阅读说明：本技术 一种环保工程脱硫脱硝用废气净化装置 (Waste gas purification device for desulfurization and denitrification of environmental protection engineering ) 是由 孙正庭 王洪明 李树品 项泽顺 王魁 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种环保工程脱硫脱硝用废气净化装置,属于脱硫脱硝技术领域,包括沉淀箱所述沉淀箱的顶部通过扁平下料管连通有净化箱,且净化箱与沉淀箱之间固定有若干支撑座,所述沉淀箱的后侧设置有储水箱,所述净化箱的一端连通有进气管,且净化箱的另一端连通有扁平出气管,所述扁平出气管的一端连通有连接管,所述沉淀箱的侧面连通有具有阀门的排水管,所述净化箱上设置有雾化组件,所述储水箱的顶端连通有弯管；利用进气管将待净化的废气引入净化箱内,再利用雾化组件使得雾化后的冷水充分的与废气接触,从而既可以对废气进行降温,也可以出气废气中的粉尘等杂质,实现对废气的有效净化,同时提高了整个装置的工作效率。(The invention discloses a waste gas purification device for desulfurization and denitrification of an environmental protection project, which belongs to the technical field of desulfurization and denitrification, and comprises a settling tank, wherein the top of the settling tank is communicated with a purification tank through a flat blanking pipe, a plurality of supporting seats are fixed between the purification tank and the settling tank, a water storage tank is arranged on the rear side of the settling tank, one end of the purification tank is communicated with an air inlet pipe, the other end of the purification tank is communicated with a flat air outlet pipe, one end of the flat air outlet pipe is communicated with a connecting pipe, the side surface of the settling tank is communicated with a water outlet pipe with a valve, an atomization assembly is arranged on the purification tank, and the top end of the water storage tank is communicated with a bent pipe; utilize the intake pipe to treat that the waste gas of purifying introduces the purifying box in, recycle atomizing subassembly makes abundant and the waste gas contact of the cold water after the atomizing to both can cool down waste gas, also can give vent to anger impurity such as dust in the waste gas, realize the effective purification to waste gas, improved the work efficiency of whole device simultaneously.)

1. The utility model provides an environmental protection engineering is exhaust gas purification device for SOx/NOx control, includes setting tank (1), its characterized in that: the top of the settling tank (1) is communicated with a purification tank (2) through a flat discharging pipe (3), a plurality of supporting seats (4) are fixed between the purification tank (2) and the settling tank (1), a water storage tank (5) is arranged on the rear side of the settling tank (1), one end of the purification tank (2) is communicated with an air inlet pipe (6), the other end of the purification tank (2) is communicated with a flat air outlet pipe (19), one end of the flat air outlet pipe (19) is communicated with a connecting pipe (20), and the side surface of the settling tank (1) is communicated with a water outlet pipe (33) with a valve;

an atomization component is arranged on the purification box (2), and is assembled to be used for purifying dust in the waste gas;

the top end of the water storage tank (5) is communicated with an elbow (51), and a filter screen (52) is installed at one end, far away from the water storage tank (5), of the elbow (51);

the inner bottom surface of the purification box (2) is an inclined surface, a transverse plate (7) is fixed inside the purification box (2), a reciprocating screw rod (8) is rotatably installed between the transverse plate (7) and the inner surface of the purification box (2), a nut seat (10) is connected to the reciprocating screw rod (8) in a threaded mode, the reciprocating screw rod (8) is parallel to the inner bottom surface of the purification box (2), a scraping assembly is arranged at the bottom of the nut seat (10), a speed reduction motor (18) is installed at the other end of the purification box (2), and an output shaft of the speed reduction motor (18) penetrates through the purification box (2) and extends into the purification box (2) and is fixedly connected with one end of the reciprocating screw rod (8);

the scraping assembly comprises a first scraping plate (14), a second scraping plate (15) and a third scraping plate (16), the widths of the first scraping plate (14), the second scraping plate (15) and the third scraping plate (16) are gradually reduced, supporting strips (17) are fixed at the top ends of the first scraping plate (14), the second scraping plate (15) and the third scraping plate (16), and one ends of the supporting strips (17) are hinged to the nut seat (10);

the reciprocating screw rod (8) is provided with a protection component, and the protection component is assembled to reduce the abrasion of the reciprocating screw rod (8).

2. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 1, characterized in that: the protection assembly comprises a first waterproof cloth cylinder (9), a second waterproof cloth cylinder (13) and a plurality of sliding rods (12), sliding holes (11) with the same number as the sliding rods (12) are formed in a nut seat (10), the sliding rods (12) penetrate through the sliding holes (11), the sliding rods (12) are fixed between a transverse plate (7) and the inner surface of the purification box (2), the sliding rods (12) are uniformly distributed around a reciprocating screw rod (8), the first waterproof cloth cylinder (9) and the second waterproof cloth cylinder (13) are sleeved on the outer sides of the sliding rods (12), the first waterproof cloth cylinder (9) and the second waterproof cloth cylinder (13) are respectively located on two sides of the nut seat (10), one end of the first waterproof cloth cylinder (9) is fixedly connected with the transverse plate (7), the other end of the first waterproof cloth cylinder (9) is fixedly connected with the nut seat (10), and one end of the second waterproof cloth cylinder (13) is fixedly connected with the nut seat (10), and the other end of the waterproof cloth cylinder II (13) is fixedly connected with the inner surface of the purifying box (2).

3. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 1, characterized in that: the internal surface of purifying box (2) is fixed with even case (21), and even case (21) are linked together with intake pipe (6), one side intercommunication that intake pipe (6) were kept away from in even case (21) has a plurality of pipes (22), and pipe (22) keep away from a terminal surface of even case (21) and be inclined plane (23), be provided with rubber pad (25) on inclined plane (23), and a side that inclined plane (23) were kept away from in rubber pad (25) is fixed with clamp plate (24), the top and pipe (22) of clamp plate (24) are articulated mutually.

4. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 1, characterized in that: the interior of the settling tank (1) is divided into a first settling cavity (27) and a second settling cavity (28) by a partition plate (26), two collecting hoppers (29) are fixed at the bottom of the settling tank (1), the two collecting hoppers (29) are respectively communicated with a first settling cavity (27) and a second settling cavity (28), sludge pumps (30) are respectively arranged at the bottoms of the two collecting hoppers (29), the inner tops of the first sedimentation cavity (27) and the second sedimentation cavity (28) are respectively fixed with a first shielding inclined plate (49) and a second shielding inclined plate (50), a communicating square pipe (53) is communicated between the settling tank (1) and the water storage tank (5), the height of the communicating square pipe (53) is lower than that of the top end surface of the clapboard (26), the square connecting pipe (53) is located above the shielding inclined plate II (50), and plugging components are arranged at two ends of the square connecting pipe (53).

5. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 4, characterized in that: viewing aperture (31) have been seted up to the side of collecting hopper (29), and the internally mounted of viewing aperture (31) has transparent plate (32), the edge of transparent plate (32) is in the interior surface sealing connection of viewing aperture (31), the side-mounting of setting tank (1) has level gauge (34).

6. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 1, characterized in that: the atomization component comprises a booster pump (38), a water pump (45), a water pipe I (43), a water pipe II (44), a water pipe III (46) and a cooling part, the top of the purification box (2) is installed on the booster pump (38), the water pump (45) is installed on the water storage box (5), the water inlet end of the booster pump (38) is communicated with one end of the water pipe I (43), the other end of the water pipe I (43) is communicated with the cooling part, one end of the water pipe II (44) is communicated with the water outlet end of the booster pump (38), a plurality of water pipe IV (47) are installed on the inner top surface of the purification box (2), a plurality of atomization nozzles (48) are installed at the bottom of the water pipe IV (47), the other end of the water pipe II (44) is arranged in a sealing way, the water pipe II (44) is communicated with the water pipe IV (47), the water inlet end of the water pump (45) is communicated with the inner cavity of the water storage box (5), and the water outlet end of the water pump (45) is communicated with one end of a water pipe III (46), and the other end of the water pipe III (46) is communicated with the cooling part.

7. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 6, characterized in that: the cooling part comprises a shell (37) and a plurality of cooling pipes (40), the shell (37) is sleeved on the outer side of the flat air outlet pipe (19), a first cooling cavity (39) and a second cooling cavity (41) are formed between the inner surface of the shell (37) and the outer surface of the flat air outlet pipe (19), the cooling pipe (40) penetrates through the flat air outlet pipe (19), and the first cooling cavity (39) is communicated with the second cooling cavity (41) through a cooling pipe (40), a heat dissipation sheet (42) is fixed inside the cooling pipe (40), the other end of the water pipe I (43) is communicated with the cooling cavity I (39), the other end of the water pipe III (46) is communicated with the cooling cavity II (41), the bottom of the shell (37) is provided with a supporting leg (35), and connecting plates (36) are fixed between the supporting legs (35) and the settling tank (1) and the purifying tank (2).

8. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 4, characterized in that: the plugging component comprises a fixed column (56), a guide rod (57), a guide sleeve (58), a limiting plate (59), a connecting block (60), a second pressing plate (61), a second rubber pad (62) and a floating block (63), two end faces of the communicating square pipe (53) are respectively an inclined plane II (54) and an inclined plane III (55), two fixing columns (56) are respectively arranged in the settling tank (1) and the water storage tank (5), one end of the guide rod (57) is fixedly connected with the fixing columns (56), the other end of the guide rod (57) is fixedly connected with a limit plate (59), the guide sleeve (58) is sleeved on the guide rod (57) in a sliding way, the second pressure plate (61) is fixedly connected with the guide sleeve (58) through a connecting block (60), the second rubber pads (62) and the floating blocks (63) are respectively fixed on two side faces of the second pressing plate (61), and the second rubber pads (62) are respectively matched with the second inclined plane (54) and the third inclined plane (55).

9. The exhaust gas purification device for desulfurization and denitrification in environmental protection engineering according to claim 8, characterized in that: the both ends of uide bushing (58) all are fixed with solid fixed ring (64), and gu fixed ring (64) cup joints on guide bar (57), gu the internal surface of fixed ring (64) is provided with dustproof brush (65), and the brush hair of dustproof brush (65) contacts with guide bar (57).

Technical Field

The invention belongs to the technical field of desulfurization and denitrification, and particularly relates to an exhaust gas purification device for desulfurization and denitrification in environmental protection engineering.

Background

The desulfurization and denitrification technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides, the nitrogen oxides and the sulfur oxides are one of main sources of air pollution, so the application of the technology has important significance for purifying ambient air, the simultaneous desulfurization and denitrification technology for flue gas is mostly in the research and industrial demonstration stages, but as the simultaneous desulfurization and denitrification technology for flue gas can simultaneously realize desulfurization and denitrification in a set of system, particularly along with the continuous strictness of the control standard of the nitrogen oxides, the simultaneous desulfurization and denitrification technology for flue gas is increasingly emphasized by various countries, the simultaneous desulfurization and denitrification technology for flue gas mainly has three types, and the first type is a combined technology of flue gas desulfurization and flue gas denitrification; the second category is that the nitrogen oxide and the sulfur oxide are removed simultaneously by using an adsorbent; and the third type is to modify the existing flue gas desulfurization system (such as adding a denitration agent into a desulfurization solution) and add a denitration function.

Before flue gas desulfurization denitration, need cool down the flue gas earlier, recycle dust collector and carry out the dust removal operation to the flue gas to realize the purification of flue gas, whole process need just can accomplish through two steps, when the waste time, has also reduced actual work efficiency.

Disclosure of Invention

The invention aims to provide a waste gas purification device for desulfurization and denitrification in environmental protection engineering, which solves the problems that before desulfurization and denitrification of flue gas, the flue gas needs to be cooled firstly, then a dust removal device is used for carrying out dust removal operation on the flue gas so as to realize purification of the flue gas, the whole process can be completed through two steps, time is wasted, and the actual working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: an exhaust gas purification device for desulfurization and denitrification in environmental protection engineering comprises a settling tank, wherein the top of the settling tank is communicated with a purification tank through a flat blanking pipe, a plurality of supporting seats are fixed between the purification tank and the settling tank, a water storage tank is arranged at the rear side of the settling tank, one end of the purification tank is communicated with an air inlet pipe, the other end of the purification tank is communicated with a flat air outlet pipe, one end of the flat air outlet pipe is communicated with a connecting pipe, the side surface of the settling tank is communicated with a water outlet pipe with a valve, an atomization assembly is arranged on the purification tank and is assembled to purify dust in exhaust gas, the top end of the water storage tank is communicated with a bent pipe, a filter screen is installed at one end, away from the water storage tank, of the bent pipe, the inner bottom surface of the purification tank is an inclined plane, a transverse plate is fixed inside the purification tank, and a reciprocating screw rod is rotatably installed between the transverse plate and the inner surface of the purification tank, the reciprocating screw rod is provided with a nut seat in threaded connection, the reciprocating screw rod is parallel to the inner bottom surface of the purification box, a scraping assembly is arranged at the bottom of the nut seat, a speed reducing motor is installed at the other end of the purification box, an output shaft of the speed reducing motor penetrates through the interior of the purification box and is fixedly connected with one end of the reciprocating screw rod, the scraping assembly comprises a first scraping plate, a second scraping plate and a third scraping plate, the widths of the first scraping plate, the second scraping plate and the third scraping plate are gradually reduced, supporting strips are fixed on the top ends of the first scraping plate, the second scraping plate and the third scraping plate, one end of each supporting strip is hinged to the nut seat, a protection assembly is arranged on the reciprocating screw rod, and the protection assembly is assembled to reduce abrasion of the reciprocating screw rod.

By adopting the scheme, the waste gas to be purified is introduced into the purification box by utilizing the air inlet pipe, and the atomized cold water is fully contacted with the waste gas by utilizing the atomization assembly, so that the waste gas can be cooled, impurities such as dust and the like in the waste gas can be discharged, the waste gas is effectively purified, and the working efficiency of the whole device is improved; the supporting seat is arranged, so that the purifying box can be stably fixed at the top of the settling box; the flat air outlet pipe and the connecting pipe are arranged, so that purified air can be quickly discharged; through setting up reciprocal lead screw and nut seat, what cooperate the width again differs scrapes flitch one, scrapes flitch two and scrapes scraping of flitch three pairs of impurity for the dust of adhesion bottom surface in the purifying box etc. can be clear away rapidly, has satisfied actual user demand.

As a preferred embodiment, the protection assembly comprises a first waterproof cloth cylinder, a second waterproof cloth cylinder and a plurality of sliding rods, sliding holes the same as the sliding rods in number are formed in the nut seat, the sliding rods penetrate through the sliding holes, the sliding rods are fixed between the transverse plate and the inner surface of the purification box and are uniformly distributed around the reciprocating screw rod, the first waterproof cloth cylinder and the second waterproof cloth cylinder are sleeved outside the sliding rods, the first waterproof cloth cylinder and the second waterproof cloth cylinder are located on two sides of the nut seat respectively, one end of the first waterproof cloth cylinder is fixedly connected with the transverse plate, the other end of the first waterproof cloth cylinder is fixedly connected with the nut seat, one end of the second waterproof cloth cylinder is fixedly connected with the nut seat, and the other end of the second waterproof cloth cylinder is fixedly connected with the inner surface of the purification box.

By adopting the scheme, through setting the protection assembly, the first waterproof cloth cylinder and the second waterproof cloth cylinder are utilized to prevent dust-containing water drops from being deposited on the reciprocating screw rod, so that the abrasion of the reciprocating screw rod is reduced, the service life of the reciprocating screw rod is prolonged, and meanwhile, the sliding rod is matched with the support of the first waterproof cloth cylinder and the second waterproof cloth cylinder and the limiting effect of the sliding rod on the nut seat, so that the whole structure can stably run for a long time, and the use and maintenance cost of the device is reduced.

As a preferred embodiment, the inner surface of the purification box is fixedly provided with a uniform box, the uniform box is communicated with the air inlet pipe, one side, away from the air inlet pipe, of the uniform box is communicated with a plurality of guide pipes, one end face, away from the uniform box, of each guide pipe is an inclined plane I, the inclined plane I is provided with a rubber pad I, one side face, away from the inclined plane I, of the rubber pad I is fixedly provided with a pressing plate I, and the top end of the pressing plate I is hinged to the guide pipes.

By adopting the scheme, the exhaust gas entering the purification box can be subjected to homogenization treatment by arranging the homogenization box and the plurality of guide pipes, so that the exhaust gas can uniformly and stably contact with atomized water drops, and the actual cooling and purification effects are improved; through setting up inclined plane one to set up clamp plate one on inclined plane one, make the inside dirt water droplet of purifying box can not enter into the inside of even case along the pipe.

As a preferred embodiment, the inside of setting tank is separated into two parts of precipitation chamber one and precipitation chamber through the baffle, the bottom of setting tank is fixed with two collecting hoppers, two the collecting hopper communicates with precipitation chamber one and precipitation chamber two respectively, two the sludge pump is all installed to the bottom of collecting hopper, precipitation chamber one is fixed with respectively with the interior top of precipitation chamber two and shelters from swash plate one and shelter from swash plate two, the intercommunication has intercommunication side's pipe between setting tank and the storage water tank, and the height that highly is less than baffle top end face of intercommunication side's pipe, intercommunication side's pipe is located the top of sheltering from swash plate two, the both ends of intercommunication side's pipe all are provided with the shutoff subassembly.

By adopting the scheme, the inner space of the settling tank is divided into the first settling chamber and the second settling chamber by arranging the partition plate, so that sewage entering the settling tank can be subjected to sectional settling, and the sludge can be quickly cleaned by matching with a sludge pump; the arrangement of the first shielding inclined plate and the second shielding inclined plate plays a role in buffering water waves, and the influence of water drops on sludge deposited at the bottom in the settling tank is reduced as much as possible; through setting up intercommunication side pipe, conveniently introduce the inside of storage water tank with the inside water of settling tank to realize the cyclic utilization of water resource.

In a preferred embodiment, an observation port is formed in the side surface of the collection hopper, a transparent plate is installed inside the observation port, the edge of the transparent plate is in sealing connection with the inner surface of the observation port, and a liquid level meter is installed on the side surface of the settling tank.

By adopting the scheme, the observation port and the transparent plate are arranged, so that workers can conveniently observe the internal condition of the aggregate bin, and the sludge can be cleaned in time; the arrangement of the liquid level meter facilitates the observation of the liquid level condition in the settling tank by workers.

As a preferred embodiment, the atomization component includes booster pump, water pipe one, water pipe two, water pipe three and cooling part, the top at the purifying box is installed to the booster pump, the water pump is installed on the storage water tank, the end of intaking of booster pump is linked together with the one end of water pipe one, and the other end and the cooling part intercommunication of water pipe one, the one end of water pipe two is linked together with the play water end of booster pump, a plurality of water pipes four are installed to the interior top surface of purifying box, and a plurality of atomizer are installed to the bottom of water pipe four, the other end of water pipe two is sealed setting, and water pipe two and water pipe communicate with each other, the water pump is intake the inner chamber of end and storage water tank and is linked together, and the water pump goes out the water end and is linked together with the one end of water pipe three, the other end and the cooling part intercommunication of water pipe three.

Adopt above-mentioned scheme, through installation atomization component, the cooperation that utilizes booster pump and water pump will have certain pressure in the water pump oral siphon four, recycles atomizer and sprays its atomizing to the inside of purifying box to be favorable to improving the cooling rate to waste gas and the dust removal effect to waste gas, the practicality is strong.

In the above scheme, it should be noted that the speed reduction motor, the sludge pump, the booster pump and the water pump are all electrically connected with the external power supply.

As a preferred embodiment, the cooling portion includes shell and a plurality of cooling tube, the shell cup joints in the outside of flat outlet duct, and is formed with cooling chamber one and cooling chamber two between the internal surface of shell and the surface of flat outlet duct, the cooling tube runs through flat outlet duct, and cooling chamber one communicates with cooling chamber two phase through the cooling tube, the inside of cooling tube is fixed with the heat dissipation thin slice, the other end and the cooling chamber one of water pipe one are linked together, the other end and the cooling chamber two phase of water pipe three communicate, the supporting leg is installed to the bottom of shell, and all is fixed with the connecting plate between supporting leg and setting tank and the purifying box.

By adopting the scheme, the cooling part is arranged, so that the cold water pumped by the water pump from the water storage tank is pumped into the cooling cavity II, then is conveyed into the cooling cavity I through the cooling pipe, and finally is input into the booster pump through the water pipe I, so that the moisture in the damp-heat gas passing through the flat gas outlet pipe is removed, the cold water is fully utilized, the structure is ingenious, and the practicability is high; through the arrangement of the heat dissipation sheet, the water flow passing through the cooling pipe can be continuously rolled, so that the actual dehumidifying effect is improved; through setting up supporting leg and connecting plate, improved the structural stability of the device in the in-service use process, prevent that the fracture phenomenon from appearing in the junction of flat outlet duct and purifying box.

As a preferred embodiment, the shutoff subassembly includes fixed column, guide bar, uide bushing, limiting plate, connecting block, clamp plate two, rubber pad two and floats the piece, the both ends face of intercommunication side pipe is inclined plane two and inclined plane three respectively, two the fixed column is installed respectively in the inside of setting tank and storage water tank, the one end and the fixed column fixed connection of guide bar, and the other end and the limiting plate fixed connection of guide bar, the uide bushing slides and cup joints on the guide bar, clamp plate two passes connecting block and uide bushing fixed connection, rubber pad two is fixed respectively at the both sides face of clamp plate two with floating the piece, two rubber pad two matches with inclined plane two and inclined plane three-phase respectively.

By adopting the scheme, the plugging components are arranged at the two ends of the square communicating pipe, and the second inclined plane and the third inclined plane are matched, so that the square communicating pipe can be cut off when the liquid level in the water storage tank is higher, the condition that water in the water storage tank enters the settling tank is avoided, and the use stability of the whole device is improved.

As a preferred embodiment, the two ends of the guide sleeve are respectively fixed with a fixing ring, the fixing rings are sleeved on the guide rod, the inner surface of each fixing ring is provided with a dustproof brush, and the bristles of the dustproof brush are in contact with the guide rod.

Adopt above-mentioned scheme, through setting up solid fixed ring and dustproof brush, can prevent impurities such as particulate matter from entering into the clearance between uide bushing and the guide bar to the wearing and tearing of uide bushing and guide bar have been reduced.

The invention has the beneficial effects that:

the waste gas purification device for desulfurization and denitrification in environmental protection engineering utilizes the air inlet pipe to introduce waste gas to be purified into the purification box, and then utilizes the atomization assembly to ensure that atomized cold water is fully contacted with the waste gas, so that the waste gas can be cooled, impurities such as dust in the discharged waste gas can be discharged, the waste gas can be effectively purified, and the working efficiency of the whole device is improved;

the waste gas purification device for desulfurization and denitrification of the environmental protection engineering is provided with the protection component, and prevents dust-containing water droplets from depositing on the reciprocating screw rod by utilizing the waterproof cloth cylinder I and the waterproof cloth cylinder II, so that the abrasion of the reciprocating screw rod is reduced, the service life of the reciprocating screw rod is prolonged, and meanwhile, the whole structure can stably run for a long time by matching with the support of the waterproof cloth cylinder I and the waterproof cloth cylinder II and the limiting effect of the slide rod on the nut seat, and the use and maintenance cost of the device is reduced;

the waste gas purification device for desulfurization and denitrification in environmental protection engineering divides the inner space of the settling tank into a first settling chamber and a second settling chamber through the arrangement of the partition plate, so that sewage entering the settling tank can be subjected to sectional settling, and the sludge can be quickly cleaned by matching with a sludge pump;

the waste gas purification device for desulfurization and denitrification in environmental protection engineering is provided with the atomization assembly, the booster pump is matched with the water pump to enable the water pump with certain pressure to enter the water pipe IV, and the atomization spray head is used for atomizing and spraying the water pump into the purification box, so that the cooling speed of waste gas and the dedusting effect of the waste gas are improved, and the waste gas purification device is high in practicability;

according to the waste gas purification device for desulfurization and denitrification in the environmental protection project, the cooling part is arranged, cold water pumped by the water pump from the water storage tank is pumped into the cooling cavity II, then is conveyed into the cooling cavity I through the cooling pipe, and finally is input into the booster pump through the water pipe I, so that moisture in damp-heat gas passing through the flat gas outlet pipe can be removed, the cold water can be fully utilized, the structure is ingenious, and the practicability is high;

this exhaust gas purification device for environmental protection engineering SOx/NOx control sets up the shutoff subassembly through the both ends at intercommunication side pipe, and the setting of two and three inclined planes of deuterogamy, when the liquid level is higher in the storage water tank, intercommunication side pipe can be cut off to the condition emergence of having avoided the water in the storage water tank to enter into the settling tank, thereby improved the stability in use of whole device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of a catheter of the present invention;

FIG. 4 is a sectional view of a first waterproof cloth cartridge of the present invention;

FIG. 5 is a cross-sectional view of the nut holder of the present invention;

FIG. 6 is a cross-sectional view of a first waterproof cloth cartridge of the present invention;

FIG. 7 is a partial cross-sectional view of the housing of the present invention;

FIG. 8 is a block diagram of an elbow of the present invention;

FIG. 9 is a cross-sectional view of a communicating square tube according to the present invention;

FIG. 10 is an enlarged view taken at A of FIG. 9 in accordance with the present invention;

FIG. 11 is a top view of the retaining ring of the present invention.

In the figure: 1. a settling tank; 2. a purification box; 3. a flat blanking pipe; 4. a supporting seat; 5. a water storage tank; 6. an air inlet pipe; 7. a transverse plate; 8. a reciprocating screw rod; 9. a waterproof cloth cylinder I; 10. a nut seat; 11. a slide hole; 12. a slide bar; 13. a second waterproof cloth cylinder; 14. a first scraping plate; 15. a second scraping plate; 16. a third scraping plate; 17. supporting the ribbon board; 18. a reduction motor; 19. a flat outlet pipe; 20. a connecting pipe; 21. a homogenizing box; 22. a conduit; 23. a first inclined plane; 24. pressing a first plate; 25. a first rubber pad; 26. a partition plate; 27. a first sedimentation cavity; 28. a second sedimentation cavity; 29. a collection hopper; 30. a sludge pump; 31. a viewing port; 32. a transparent plate; 33. a drain pipe; 34. a liquid level meter; 35. supporting legs; 36. a connecting plate; 37. a housing; 38. a booster pump; 39. a first cooling cavity; 40. a cooling tube; 41. a second cooling cavity; 42. a heat dissipating sheet; 43. a first water pipe; 44. a water pipe II; 45. a water pump; 46. a water pipe III; 47. a fourth water pipe; 48. an atomizing spray head; 49. a first shielding inclined plate; 50. a second shielding inclined plate; 51. bending the pipe; 52. a filter screen; 53. connecting the square pipes; 54. a second inclined plane; 55. a third inclined plane; 56. fixing a column; 57. a guide bar; 58. a guide sleeve; 59. a limiting plate; 60. connecting blocks; 61. pressing a second plate; 62. a second rubber pad; 63. a floating block; 64. a fixing ring; 65. a dust-proof brush.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-11, the present invention provides an exhaust gas purification apparatus for desulfurization and denitrification in environmental protection engineering, which comprises a precipitation tank 1, a purification tank 2 communicated with the top of the precipitation tank 1 through a flat discharge pipe 3, a plurality of support seats 4 fixed between the purification tank 2 and the precipitation tank 1, a water storage tank 5 arranged at the rear side of the precipitation tank 1, an air inlet pipe 6 communicated with one end of the purification tank 2, a flat air outlet pipe 19 communicated with the other end of the purification tank 2, a connecting pipe 20 communicated with one end of the flat air outlet pipe 19, a drain pipe 33 with a valve communicated with the side of the precipitation tank 1, an atomization assembly arranged on the purification tank 2 and assembled to purify dust in exhaust gas, a bent pipe 51 communicated with the top of the water storage tank 5, a filter screen 52 installed at one end of the bent pipe 51 far away from the water storage tank 5, an inner bottom surface of the purification tank 2 being an inclined surface, a horizontal plate 7 fixed inside the purification tank 2, and a reciprocating screw rod 8 is rotatably arranged between the transverse plate 7 and the inner surface of the purifying box 2, a nut seat 10 is connected on the reciprocating screw rod 8 by screw threads, the reciprocating screw rod 8 is parallel to the inner bottom surface of the purifying box 2, the bottom of the nut seat 10 is provided with a scraping component, the other end of the purifying box 2 is provided with a speed reducing motor 18, and the output shaft of the speed reducing motor 18 penetrates and extends into the purification box 2 and is fixedly connected with one end of the reciprocating screw rod 8, the scraping component comprises a first scraping plate 14, a second scraping plate 15 and a third scraping plate 16, the widths of the first scraping plate 14, the second scraping plate 15 and the third scraping plate 16 are gradually reduced, supporting strips 17 are fixed at the top ends of the first scraping plate 14, the second scraping plate 15 and the third scraping plate 16, one ends of the supporting strips 17 are hinged with the nut seat 10, a protection component is arranged on the reciprocating screw rod 8, and the protection component is assembled to reduce the abrasion of the reciprocating screw rod 8; the waste gas to be purified is introduced into the purification box 2 by the air inlet pipe 6, and the atomized cold water is fully contacted with the waste gas by the atomization assembly, so that the waste gas can be cooled, impurities such as dust in the discharged waste gas can be discharged, the waste gas is effectively purified, and the working efficiency of the whole device is improved; the supporting seat 4 is arranged, so that the purifying box 2 can be stably fixed at the top of the settling box 1; the flat air outlet pipe 19 and the connecting pipe 20 are arranged, so that purified air can be quickly discharged; through setting up reciprocal lead screw 8 and nut seat 10, cooperate scraping flitch 14 that the width differs again, scrape flitch two 15 and scrape the striking off of flitch three 16 to impurity for the dust of adhesion bottom surface in purifying box 2 etc. can be clear away rapidly, has satisfied actual user demand.

The protection assembly comprises a first waterproof cloth cylinder 9, a second waterproof cloth cylinder 13 and a plurality of slide rods 12, slide holes 11 with the same number as the slide rods 12 are formed in a nut seat 10, the slide rods 12 penetrate through the slide holes 11, the slide rods 12 are fixed between a transverse plate 7 and the inner surface of the purification box 2, the slide rods 12 are uniformly distributed around a reciprocating screw rod 8, the first waterproof cloth cylinder 9 and the second waterproof cloth cylinder 13 are sleeved on the outer sides of the slide rods 12, the first waterproof cloth cylinder 9 and the second waterproof cloth cylinder 13 are respectively positioned on two sides of the nut seat 10, one end of the first waterproof cloth cylinder 9 is fixedly connected with the transverse plate 7, the other end of the first waterproof cloth cylinder 9 is fixedly connected with the nut seat 10, one end of the second waterproof cloth cylinder 13 is fixedly connected with the nut seat 10, and the other end of the second waterproof cloth cylinder 13 is fixedly connected with the inner surface of the purification box 2; through setting up protection component, utilize a waterproof cloth section of thick bamboo 9 and a waterproof cloth section of thick bamboo two 13 to prevent that the deposition of dust-laden drop of water from reciprocating on reciprocal lead screw 8 to reduce reciprocal lead screw 8's wearing and tearing, prolonged reciprocal lead screw 8's life, cooperation slide bar 12 is to waterproof cloth section of thick bamboo 9 and waterproof cloth section of thick bamboo two 13's support and to the limiting displacement of nut seat 10 simultaneously, make the steady operation that whole structure can be long-time, reduced the device's use and maintenance cost.

The inner surface of the purification box 2 is fixedly provided with a uniform box 21, the uniform box 21 is communicated with an air inlet pipe 6, one side, away from the air inlet pipe 6, of the uniform box 21 is communicated with a plurality of guide pipes 22, one end face, away from the uniform box 21, of each guide pipe 22 is an inclined face I23, a rubber pad I25 is arranged on each inclined face I23, one side face, away from the inclined face I23, of each rubber pad I25 is fixedly provided with a pressing plate I24, and the top end of each pressing plate I24 is hinged to the corresponding guide pipe 22; through the arrangement of the uniform box 21 and the plurality of guide pipes 22, the waste gas entering the purifying box 2 can be subjected to homogenization treatment, so that the waste gas can uniformly and stably contact with atomized water drops, and the actual cooling and purifying effects are improved; by arranging the first inclined surface 23 and the first pressing plate 24 on the first inclined surface 23, dust-containing water drops in the interior of the purifying tank 2 cannot enter the interior of the homogenizing tank 21 along the guide pipe 22.

The interior of the settling tank 1 is divided into a first settling chamber 27 and a second settling chamber 28 by a partition plate 26, two collecting hoppers 29 are fixed at the bottom of the settling tank 1, the two collecting hoppers 29 are respectively communicated with the first settling chamber 27 and the second settling chamber 28, a sludge pump 30 is installed at the bottoms of the two collecting hoppers 29, a first shielding inclined plate 49 and a second shielding inclined plate 50 are respectively fixed at the inner tops of the first settling chamber 27 and the second settling chamber 28, a communicating square pipe 53 is communicated between the settling tank 1 and the water storage tank 5, the height of the communicating square pipe 53 is lower than that of the top end face of the partition plate 26, the communicating square pipe 53 is positioned above the second shielding inclined plate 50, and two ends of the communicating square pipe 53 are respectively provided with a plugging component; the inner space of the settling tank 1 is divided into a first settling chamber 27 and a second settling chamber 28 by the partition plate 26, so that sewage entering the settling tank 1 can be settled in a sectional mode, and the sludge can be quickly cleaned by matching with the sludge pump 30; the arrangement of the first shielding inclined plate 49 and the second shielding inclined plate 50 plays a role in buffering water waves, and the influence of water drops on sludge settled at the bottom in the settling tank 1 is reduced as much as possible; through setting up intercommunication side pipe 53, conveniently introduce the inside of storage water tank 5 with the inside water of setting tank 1 to realize the cyclic utilization of water resource.

An observation port 31 is formed in the side surface of the collection hopper 29, a transparent plate 32 is installed inside the observation port 31, the edge of the transparent plate 32 is positioned on the inner surface of the observation port 31 and is in sealing connection, and a liquid level meter 34 is installed on the side surface of the settling tank 1; through the arrangement of the observation port 31 and the transparent plate 32, workers can conveniently observe the internal condition of the aggregate bin 29, so that sludge can be cleaned in time; the liquid level gauge 34 is arranged to facilitate the staff to observe the liquid level in the settling tank 1.

The atomization assembly comprises a booster pump 38, a water pump 45, a water pipe I43, a water pipe II 44, a water pipe III 46 and a cooling part, the booster pump 38 is installed at the top of the purification box 2, the water pump 45 is installed on the water storage box 5, the water inlet end of the booster pump 38 is communicated with one end of the water pipe I43, the other end of the water pipe I43 is communicated with the cooling part, one end of the water pipe II 44 is communicated with the water outlet end of the booster pump 38, a plurality of water pipe IV 47 are installed on the inner top surface of the purification box 2, a plurality of atomization nozzles 48 are installed at the bottom of the water pipe IV 47, the other end of the water pipe II 44 is arranged in a sealing mode, the water pipe II 44 is communicated with the water pipe IV 47, the water inlet end of the water pump 45 is communicated with the inner cavity of the water storage box 5, the water outlet end of the water pump 45 is communicated with one end of the water pipe III 46, and the other end of the water pipe III 46 is communicated with the cooling part; through installation atomization component, utilize booster pump 38 and water pump 45's cooperation to have certain pressure in the water pump inlet pipe four 47, recycle atomizer 48 and spray its atomizing to the inside of purifying box 2 to be favorable to improving the cooling rate to waste gas and the dust removal effect to waste gas, the practicality is strong.

The cooling part comprises a shell 37 and a plurality of cooling pipes 40, the shell 37 is sleeved on the outer side of the flat air outlet pipe 19, a first cooling cavity 39 and a second cooling cavity 41 are formed between the inner surface of the shell 37 and the outer surface of the flat air outlet pipe 19, the cooling pipes 40 penetrate through the flat air outlet pipe 19, the first cooling cavity 39 is communicated with the second cooling cavity 41 through the cooling pipes 40, a heat dissipation sheet 42 is fixed inside the cooling pipes 40, the other end of a first water pipe 43 is communicated with the first cooling cavity 39, the other end of a third water pipe 46 is communicated with the second cooling cavity 41, supporting legs 35 are installed at the bottom of the shell 37, and connecting plates 36 are fixed between the supporting legs 35 and the settling box 1 and the purifying box 2; by arranging the cooling part, cold water pumped by the water pump 45 from the water storage tank 5 is pumped into the second cooling cavity 41, then is conveyed into the first cooling cavity 39 through the cooling pipe 40, and finally is input into the booster pump 38 through the first water pipe 43, so that moisture in damp-heat gas passing through the flat air outlet pipe 19 is removed, the cold water is fully utilized, the structure is ingenious, and the practicability is high; through the arrangement of the heat dissipation sheet 42, the water flow passing through the cooling pipe 40 can be continuously rolled, so that the actual dehumidifying effect is improved; through setting up supporting leg 35 and connecting plate 36, improved the structural stability of the device in the in-service use process, prevent that the fracture phenomenon from appearing in the junction of flat outlet duct 19 and purifying box 2.

The plugging assembly comprises fixed columns 56, a guide rod 57, a guide sleeve 58, a limiting plate 59, a connecting block 60, a pressing plate II 61, a rubber pad II 62 and a floating block 63, two end faces of the communicating square pipe 53 are an inclined plane II 54 and an inclined plane III 55 respectively, the two fixed columns 56 are installed inside the sedimentation tank 1 and the water storage tank 5 respectively, one end of the guide rod 57 is fixedly connected with the fixed columns 56, the other end of the guide rod 57 is fixedly connected with the limiting plate 59, the guide sleeve 58 is sleeved on the guide rod 57 in a sliding mode, the pressing plate II 61 is fixedly connected with the guide sleeve 58 through the connecting block 60, the rubber pad II 62 and the floating block 63 are fixed on two side faces of the pressing plate II 61 respectively, and the two rubber pads II 62 are matched with the inclined plane II 54 and the inclined plane III 55 respectively; through setting up the shutoff subassembly at the both ends of intercommunication side pipe 53, the setting of two 54 and three 55 on inclined plane of deuterogamy, when the liquid level is higher in storage water tank 5, intercommunication side pipe 53 can be cut off to the condition emergence of having avoided the water in the storage water tank 5 to enter into the setting tank 1 in, thereby improved the stability in use of whole device.

Fixing rings 64 are fixed at two ends of the guide sleeve 58, the fixing rings 64 are sleeved on the guide rod 57, a dustproof brush 65 is arranged on the inner surface of each fixing ring 64, and bristles of the dustproof brush 65 are in contact with the guide rod 57; by providing the fixing ring 64 and the dust brush 65, foreign substances such as particulate matter can be prevented from entering the gap between the guide sleeve 58 and the guide rod 57, thereby reducing the abrasion of the guide sleeve 58 and the guide rod 57.

When the purification box is used, the speed reducing motor 18, the booster pump 38 and the water pump 45 are started, the water pump 45 pumps water from the water storage tank 5 and conveys the water to the cooling cavity II 41, the water is conveyed to the cooling cavity I39 through the cooling pipe 40, the water is finally conveyed into the booster pump 38 through the water pipe I43 and atomized and sprayed out through the atomizing spray head 48, the waste gas to be purified is introduced into the homogenizing box 21 through the air inlet pipe 6 and enters the purification box 2 through the guide pipes 22, the gas is fully contacted with water mist at the moment to be rapidly cooled, impurities mixed in the gas can be deposited on the inner bottom surface of the purification box 2 under the action of the water mist, the speed reducing motor 18 drives the reciprocating screw rod 8 to rotate, the nut seat 10 makes linear motion under the limiting action of the slide rod 12, and therefore, the impurities on the inner bottom surface of the purification box 2 can be scraped by the scraper plate I14, the scraper plate II 15 and the scraper plate III 16, impurity and water scraped can enter into precipitation chamber 27 along unloading pipe 3 in, make the water level in precipitation chamber 27 rise gradually, when water level reaches a definite value in precipitation chamber 27, unnecessary water will overturn the inside that baffle 26 entered into precipitation chamber two 28, after the sediment of two cavitys, can get into the inside water of storage water tank 5 through square pipe 53 of intercommunication and can directly utilize, the cyclic utilization of water resource has been realized, but when the water level in storage water tank 5 was too high, square pipe 53 of intercommunication can suffer to cut off because of being located the inside shutoff subassembly of storage water tank 5, consequently only can drain water through drain pipe 33 this moment, transparent plate 32 is used for observing the mud condition in the collecting hopper 29, so that in time utilize sludge pump 30 to discharge mud.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.