阅读说明：本技术 逆向喷淋驻波除尘降温塔 (Reverse spray standing wave dust removal cooling tower ) 是由 韩培 邱伟平 王玉平 马庆磊 张家立 于 2021-07-15 设计创作，主要内容包括：本发明属于除尘塔技术领域,涉及逆向喷淋驻波除尘降温塔。该除尘降温塔包括喷淋体、气液分离塔；所述喷淋体包括管体,所述管体一端为气体进口,所述气体进口到与气液分离塔连通处从上往下依次设置导流组件、喷射组件；所述喷射组件为L形结构,所述喷射组件的喷射端部开口朝上,所述喷射组件的喷射端部具有压力传感器,喷射组件由设置在喷射组件外的控制器控制喷射水流流速及高度以形成驻波膜；所述气液分离塔包括塔体、汽水分离装置、沉淀池；所述喷淋体与塔体连通处设置在汽水分离装置与沉淀池之间,所述塔体上方具有气体出口。该除尘降温塔中高温烟气自上而下与自下而上喷淋形成驻波膜的喷淋水接触充分,运行稳定,除尘效果好,余热回收率高。(The invention belongs to the technical field of dust removal towers, and relates to a reverse spraying standing wave dust removal cooling tower. The dedusting and cooling tower comprises a spraying body and a gas-liquid separation tower; the spraying body comprises a pipe body, one end of the pipe body is provided with a gas inlet, and a diversion assembly and a spraying assembly are sequentially arranged from top to bottom from the gas inlet to a position communicated with the gas-liquid separation tower; the spraying assembly is of an L-shaped structure, the opening of the spraying end part of the spraying assembly faces upwards, the spraying end part of the spraying assembly is provided with a pressure sensor, and the spraying assembly controls the flow rate and the height of sprayed water flow by a controller arranged outside the spraying assembly to form a standing wave film; the gas-liquid separation tower comprises a tower body, a steam-water separation device and a sedimentation tank; the spraying body is communicated with the tower body and arranged between the steam-water separation device and the sedimentation tank, and a gas outlet is arranged above the tower body. The high-temperature flue gas in the dedusting and cooling tower is fully contacted with the spray water which is sprayed from bottom to top to form the standing wave film, the operation is stable, the dedusting effect is good, and the waste heat recovery rate is high.)

1. Reverse standing wave that sprays removes dust cooling tower, its characterized in that: the device comprises a spray body and a gas-liquid separation tower, wherein the spray body is communicated with the middle lower end part of the gas-liquid separation tower through an arc-shaped bent pipe;

the spraying body comprises a pipe body, a spraying assembly and a flow guide assembly, wherein the spraying assembly and the flow guide assembly are arranged in the pipe body; one end of the pipe body is provided with a gas inlet, and a diversion assembly and an injection assembly are sequentially arranged from top to bottom from the gas inlet to a position communicated with the gas-liquid separation tower; the spraying assembly is of an L-shaped structure, the opening of the spraying end part of the spraying assembly faces upwards, the spraying end part of the spraying assembly is provided with a pressure sensor, and the spraying assembly controls the flow rate and the height of sprayed water flow by a controller arranged outside the spraying assembly to form a standing wave film; the controller is electrically connected with the pressure sensor;

the gas-liquid separation tower comprises a tower body, a steam-water separation device arranged in the middle of the tower body and a sedimentation tank arranged at the lower part of the tower body; the spraying body is communicated with the tower body and arranged between the steam-water separation device and the sedimentation tank, and a gas outlet is arranged above the tower body.

2. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the jetting assembly has a number of groups; the spraying assembly comprises a spraying distribution pipe and a nozzle, and the pressure sensor is arranged inside the nozzle;

the plurality of spraying distribution pipes are communicated through the liquid sending pipe.

3. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the flow guide assembly comprises a flow guide ring and a plurality of flow guide partition plates arranged inside the flow guide ring, the flow guide partition plates are annular plates with different diameters and same curvature change, and the flow guide partition plates are coaxially arranged;

the upper end part of the diversion ring is an upper through hole, the lower end part of the diversion ring is a lower through hole, the diversion partition plate comprises an upper arc section, a middle section and a lower arc section, the acute angle between the tangent line of each point of the upper arc section and the end surface of the upper through hole is 40-75 degrees, the middle section is an arc transition section connecting the lower half part of the upper arc section and the upper half part of the lower arc section, and the acute angle between the tangent line of the lowest point of the lower arc section and the end surface of the lower through hole is 35-45 degrees.

4. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the sedimentation tank bottom is equipped with the swash plate, the lower one side of swash plate is equipped with the mud discharge port, the lateral wall is equipped with the overflow weir on the sedimentation tank.

5. The reverse spraying standing wave dedusting cooling tower of claim 4, characterized in that: the device also comprises a circulating device, wherein the circulating device comprises a clarification tank, an injection water pump, a first connecting pipe communicated with the injection assembly and a second connecting pipe communicated with the sedimentation tank;

and a circulating liquid overflow port is arranged on the higher side of the inclined plate on the sedimentation tank, and the horizontal plane of the circulating liquid overflow port is lower than the horizontal plane of the overflow weir.

6. The reverse spraying standing wave dedusting cooling tower of claim 4, characterized in that: the inclined plate and the horizontal plane form an acute included angle larger than 0 degree and not larger than 5 degrees.

7. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the steam-water separation device is provided with a plurality of steam-water separation devices which are arranged in a tower body in a multilayer mode from top to bottom.

8. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the spraying body is provided with a spray body, the spray body is provided with a spray inlet, the spray inlet is communicated with the spray body, and the spray outlet is communicated with the spray body.

9. The reverse spraying standing wave dedusting cooling tower of claim 1, characterized in that: the spraying body is provided with a plurality of spraying bodies which are arranged on the periphery of the tower body in parallel, and the lower end parts of the spraying bodies are arranged on the same horizontal plane.

Technical Field

The invention belongs to the technical field of dust removal towers, relates to gas dust removal, energy conservation and emission reduction, and particularly relates to a reverse spraying standing wave dust removal cooling tower.

Background

In steel and iron enterprises and other traditional enterprises, especially in the coking process, cooling towers are usually used, and a large amount of atomized water vapor is released from the cooling towers in the cooling process. The method has the advantages that waste heat resources generated by the coking process are efficiently recycled, the main direction of resource saving and environment-friendly energy saving of green coke-oven plants is established, and the method is also one of the main ways of reducing the energy consumption of coke ovens.

The Chinese patent application CN104324597A provides a combined type flue gas purification system, wherein flue gas contacts with a spraying layer in the process of being transmitted from the bottom to the top below a spraying washing tower through the spraying layer arranged in the middle of the spraying washing tower, but in the mode, because the gas slightly overflows upwards, high-temperature flue gas overflows, the temperature of the discharged flue gas is high, the dust removal effect is poor, and the failure rate is high during operation.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects, the invention provides the reverse spraying standing wave dedusting and cooling tower, wherein high-temperature flue gas in the dedusting and cooling tower is fully contacted with spraying water which is sprayed from bottom to top to form a standing wave film, the operation is stable, the dedusting effect is good, and the waste heat recovery rate is high.

The technical scheme adopted by the invention for solving the technical problems is as follows: the reverse spraying standing wave dedusting and cooling tower comprises a spraying body and a gas-liquid separation tower, wherein the spraying body is communicated with the middle lower end part of the gas-liquid separation tower through an arc-shaped bent pipe;

the spraying body comprises a pipe body, a spraying assembly and a flow guide assembly, wherein the spraying assembly and the flow guide assembly are arranged in the pipe body; one end of the pipe body is provided with a gas inlet, and a diversion assembly and an injection assembly are sequentially arranged from top to bottom from the gas inlet to a position communicated with the gas-liquid separation tower; the spraying assembly is of an L-shaped structure, the opening of the spraying end part of the spraying assembly faces upwards, the spraying end part of the spraying assembly is provided with a pressure sensor, and the spraying assembly controls the flow rate and the height of sprayed water flow by a controller arranged outside the spraying assembly to form a standing wave film; the controller is electrically connected with the pressure sensor;

the gas-liquid separation tower comprises a tower body, a steam-water separation device arranged in the middle of the tower body and a sedimentation tank arranged at the lower part of the tower body; the spraying body is communicated with the tower body and arranged between the steam-water separation device and the sedimentation tank, and a gas outlet is arranged above the tower body.

The dedusting and cooling tower forms a standing wave film from bottom to top through a spraying component reversely arranged by the spraying component and under the control of a controller to be contacted with high-temperature flue gas entering a spraying body from top to bottom from a gas inlet; the high-temperature flue gas has lighter weight, the time for the gas to pass through the spraying body with the same height from bottom to top at the same air inlet speed is longer, meanwhile, the gas forms a gas flow beam with specific direction running and distribution in the flow guide assembly, the gas penetrates through the liquid standing wave film, and the standing wave film has the functions of trapping particles contained in the gas, absorbing water-soluble or reactive harmful gas in the gas, rapidly cooling the high-temperature flue gas and the like as the gas is fully contacted with the surface of the suspension liquid standing wave film which has extremely large surface area and extremely high updating speed and is reversely sprayed; the suspension liquid is conveyed into a gas-liquid separation tower through a pipe body after being wrapped with particles, the dust-containing liquid is precipitated in a sedimentation tank, and the cooled clean gas is separated and dried by a steam-water separation device and then is discharged from a gas outlet; the dedusting and cooling tower has the advantages of good dedusting effect, good cooling effect and high waste heat recovery rate.

Further, the jetting assembly has a plurality of groups; the spraying assembly comprises a spraying distribution pipe and a nozzle, and the pressure sensor is arranged inside the nozzle;

the plurality of spraying distribution pipes are communicated through the liquid sending pipe. The multi-group spraying component is introduced, the standing wave film formed by spraying the foot-making reverse nozzle from bottom to top is multi-layer, the contact area of the flue gas and the liquid is increased, the flue gas treatment efficiency is high, the dust removal effect is good, and the temperature of the discharged gas is low.

Furthermore, the flow guide assembly comprises a flow guide ring and a plurality of flow guide partition plates arranged inside the flow guide ring, the flow guide partition plates are annular plates with different diameters and same curvature change, and the flow guide partition plates are coaxially arranged;

the upper end part of the diversion ring is an upper through hole, the lower end part of the diversion ring is a lower through hole, the diversion partition plate comprises an upper arc section, a middle section and a lower arc section, the acute angle between the tangent line of each point of the upper arc section and the end surface of the upper through hole is 40-75 degrees, the middle section is an arc transition section connecting the lower half part of the upper arc section and the upper half part of the lower arc section, and the acute angle between the tangent line of the lowest point of the lower arc section and the end surface of the lower through hole is 35-45 degrees. The different diameters of the coaxial setting of introduction, the annular plate that the curvature change is the same, can be with the different cavities of transport space atmosphere of water conservancy diversion ring formation, thereby the operation direction and the air current distribution of gas difference have been injectd, the angle of going up the segmental arc can ensure flue gas homodisperse between the water conservancy diversion baffle, and the uneven condition of air current distribution can not appear, flue gas after the water conservancy diversion baffle water conservancy diversion has the angle when the segmental arc jets out down, the air current that jets out from this angle both easily pierces through standing wave membrane, can ensure air current and standing wave membrane steady flow again, the resistance is less between flue gas and the liquid standing wave membrane, can not form big fluctuation during the contact, form the stable state.

Further, the bottom of the sedimentation tank is provided with an inclined plate, the lower side of the inclined plate is provided with a sludge discharge port, and the side wall of the sedimentation tank is provided with an overflow weir. An inclined plate is introduced into the bottom of the sedimentation tank, so that particles, dust and the like contained in the flue gas are conveniently agglomerated under the action of gravity and are concentrated to a sludge discharge port and then discharged, and the cleanliness of liquid at the upper part of the sedimentation tank is ensured; the overflow weir can observe whether the water accumulated in the sedimentation tank is full or not.

Furthermore, the device also comprises a circulating device, wherein the circulating device comprises a clarification tank, an injection water pump, a first connecting pipe communicated with the injection assembly and a second connecting pipe communicated with the sedimentation tank;

and a circulating liquid overflow port is arranged on the higher side of the inclined plate on the sedimentation tank, and the horizontal plane of the circulating liquid overflow port is lower than the horizontal plane of the overflow weir. Through the circulating device who introduces, can realize the recycle to the sedimentation tank upper clear liquid, the circulation liquid overflow mouth that sets up on the sedimentation tank overflows the upper clear liquid to the clarification tank in to spray from bottom to top through injection pump with the refrigerated liquid that washes through injection assembly and form the liquid standing wave membrane of suspension, realized the recycle of liquid.

Furthermore, the inclined plate and the horizontal plane form an acute included angle which is larger than 0 degree and not larger than 5 degrees. The inclination of control swash plate can satisfy dust mud and subside the gathering according to the action of gravity, does not influence the cleanliness factor of sedimentation tank supernatant again, and it is convenient to use, and dust removal cooling tower work efficiency is high.

Furthermore, the steam-water separation device is provided with a plurality of steam-water separation devices which are arranged in a tower body in a multilayer mode from top to bottom. The introduction of the multilayer steam-water separation device can ensure the dryness of the gas discharged from the gas outlet, simultaneously can avoid the loss of a large amount of water, and avoids the water consumption required by a large amount of supplementary injection components caused by loss.

Furthermore, the connection part of the spraying body and the arc-shaped bent pipe is provided with a telescopic expansion joint, and the telescopic expansion joint is communicated with the lower end of the spraying body and the upper end surface of the arc-shaped bent pipe. The spray body is connected with the arc-shaped bent pipe through the telescopic expansion joint, so that the slight shaking of the pipe body which is possibly driven when the spray assembly sprays in the spray body can be slowed down or even absorbed, and the stability of the spray body after being fixed is ensured.

Furthermore, the spraying body is provided with a plurality of spraying bodies which are arranged on the periphery of the tower body in parallel, and the lower end parts of the spraying bodies are arranged on the same horizontal plane. The multi-path flue gas treatment tower has the advantages that the multi-path flue gas treatment is met by introducing a plurality of spraying bodies which are not interfered with each other and are arranged in parallel at the periphery of the tower body, the use efficiency of the dust removal and cooling tower is improved, and the treatment rate of dust-containing high-temperature flue gas is improved.

The invention has the beneficial effects that:

1. the dedusting and cooling tower forms a standing wave film from bottom to top through a spraying component reversely arranged by the spraying component and under the control of a controller to be contacted with high-temperature flue gas entering a spraying body from top to bottom from a gas inlet; the high-temperature flue gas has lighter weight, the time for the gas to pass through the spraying body with the same height from bottom to top at the same air inlet speed is longer, meanwhile, the gas forms a gas flow beam with specific direction running and distribution in the flow guide assembly, the gas penetrates through the liquid standing wave film, and the standing wave film has the functions of trapping particles contained in the gas, absorbing water-soluble or reactive harmful gas in the gas, rapidly cooling the high-temperature flue gas and the like as the gas is fully contacted with the surface of the suspension liquid standing wave film which has extremely large surface area and extremely high updating speed and is reversely sprayed; the suspension liquid is conveyed into a gas-liquid separation tower through a pipe body after being wrapped with particles, the dust-containing liquid is precipitated in a sedimentation tank, and the cooled clean gas is separated and dried by a steam-water separation device and then is discharged from a gas outlet; the dedusting and cooling tower has the advantages of good dedusting effect, good cooling effect and high waste heat recovery rate.

2. A plurality of groups of spraying assemblies are introduced, the standing wave film formed by spraying the feet-making reverse nozzles from bottom to top is multilayer, the contact area of the flue gas and the liquid is increased, the flue gas treatment efficiency is high, the dust removal effect is good, and the temperature of the discharged gas is low; the multi-layer steam-water separation device is introduced, so that the dryness of the gas discharged from the gas outlet can be ensured, the loss of a large amount of water can be avoided, and the water consumption required by a large amount of supplementary injection components caused by loss is avoided; the multi-path flue gas treatment tower has the advantages that the multi-path flue gas treatment is met by introducing a plurality of spraying bodies which are not interfered with each other and are arranged in parallel at the periphery of the tower body, the use efficiency of the dust removal and cooling tower is improved, and the treatment rate of dust-containing high-temperature flue gas is improved.

3. The different diameters of the coaxial setting of introduction, the annular plate that the curvature change is the same, can be with the different cavities of transport space atmosphere of water conservancy diversion ring formation, thereby the operation direction and the air current distribution of gas difference have been injectd, the angle of going up the segmental arc can ensure flue gas homodisperse between the water conservancy diversion baffle, and the uneven condition of air current distribution can not appear, flue gas after the water conservancy diversion baffle water conservancy diversion has the angle when the segmental arc jets out down, the air current that jets out from this angle both easily pierces through standing wave membrane, can ensure air current and standing wave membrane steady flow again, the resistance is less between flue gas and the liquid standing wave membrane, can not form big fluctuation during the contact, form the stable state.

4. An inclined plate is introduced into the bottom of the sedimentation tank, so that particles, dust and the like contained in the flue gas are conveniently agglomerated under the action of gravity and are concentrated to a sludge discharge port and then discharged, and the cleanliness of liquid at the upper part of the sedimentation tank is ensured; the arranged overflow weir can observe whether the water continuously accumulated in the sedimentation tank is full; the recycling of supernatant liquor of the sedimentation tank can be realized through the introduced circulating device, the supernatant liquor overflows into the clarification tank through a circulating liquor overflow port arranged on the sedimentation tank, and the washed and cooled liquor is sprayed from bottom to top through a spray assembly by a spray pump to form a suspended liquor standing wave film, so that the recycling of the liquor is realized; the inclination of control swash plate can satisfy dust mud and subside the gathering according to the action of gravity, does not influence the cleanliness factor of sedimentation tank supernatant again, and it is convenient to use, and dust removal cooling tower work efficiency is high.

5. The spray body is connected with the arc-shaped bent pipe through the telescopic expansion joint, so that the slight shaking of the pipe body which is possibly driven when the spray assembly sprays in the spray body can be slowed down or even absorbed, and the stability of the spray body after being fixed is ensured.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a flow guide assembly according to the present invention;

wherein: 1. a spray body; 11. a pipe body; 12. a spray assembly; 121. a spray distribution pipe; 122. a nozzle; 123. a liquid delivery pipe; 124. a pressure sensor; 13. a flow guide assembly; 131. a flow guide ring; 1311. an upper through hole; 1312. a lower through hole; 132. a flow guide clapboard; 1321. an upper arc section; 1322. a middle section; 1323. a lower arc section; 14. a gas inlet; 15. a controller; 16. a telescopic expansion joint; 2. a gas-liquid separation column; 21. a tower body; 22. a steam-water separation device; 23. a sedimentation tank; 231. a sloping plate; 232. a sludge discharge port; 233. an overflow weir; 234. a circulating liquid overflow port; 24. a gas outlet; 3. a circulation device; 31. a clarification tank; 32. an injection water pump; 33. a first connecting pipe; 34. a second connecting pipe; 4. an arc-shaped bent pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the reverse spray standing wave dedusting and cooling tower comprises a spray body 1 and a gas-liquid separation tower 2, wherein the spray body 1 is communicated with the middle lower end part of the gas-liquid separation tower 2 through an arc-shaped bent pipe 4;

the spraying body 1 comprises a pipe body 11, a spraying assembly 12 and a flow guide assembly 13, wherein the spraying assembly 12 and the flow guide assembly 13 are arranged in the pipe body 11; one end of the pipe body 11 is provided with a gas inlet 14, and a diversion assembly 13 and an injection assembly 12 are sequentially arranged from top to bottom from the gas inlet 14 to the position communicated with the gas-liquid separation tower 2; the spraying assembly 12 is of an L-shaped structure, the spraying end of the spraying assembly 12 is opened upwards, the spraying end of the spraying assembly 12 is provided with a pressure sensor 124, and the spraying assembly 12 is controlled by a controller 15 arranged outside the spraying assembly 12 to control the flow rate and the height of the sprayed water flow so as to form a standing wave film; the controller 15 is electrically connected with the pressure sensor 124;

the jetting assembly 12 has several groups; the spray assembly 12 comprises a spray distribution pipe 121, a nozzle 122, the pressure sensor 124 is arranged inside the nozzle 122; a plurality of the spray distribution pipes 121 are communicated through the liquid feeding pipe 123.

The flow guide assembly 13 comprises a flow guide ring 131 and a plurality of flow guide partition plates 132 arranged inside the flow guide ring 131, the flow guide partition plates 132 are annular plates with different diameters and same curvature change, and the flow guide partition plates 132 are coaxially arranged; specifically, referring to fig. 2, the upper end portion of the baffle ring 131 is an upper through hole 1311, the lower end portion thereof is a lower through hole 1312, the baffle plate 132 includes an upper arc segment 1321, a middle segment 1322 and a lower arc segment 1323, an acute angle between a tangent line of each point of the upper arc segment 1321 and an end surface of the upper through hole 1311 is 40 ° to 75 °, the middle segment 1322 is an arc transition segment connecting a lower half portion of the upper arc segment 1321 and an upper half portion of the lower arc segment 1323, an acute angle between a tangent line of a lowest point of the lower arc segment 1323 and an end surface of the lower through hole 1312 is 35 ° to 45 °, and an acute angle between a tangent line of each point of the upper arc segment 1321 and an end surface of the upper through hole 1311 and an acute angle between a tangent line of a lowest point of the lower arc segment 1323 and an end surface of the lower through hole 1312 are set differently according to the size of the shower body actually set. The height of the pipe body 11 is measured by 15 meters, the range of the injection assembly is 60-140 cm, the flow rate of flue gas is 0.5-5.5m/s, the angle between the flue gas distributed from the flow guide partition plate and the horizontal end surface is 35-45 degrees, the angle between the flue gas flow beam and the liquid standing wave film formed by the injection assembly is 45-90 degrees, the injection assembly is arranged in 2-3 layers, the reasonable flue gas speed is controlled, the stable treatment between the flue gas and the liquid standing wave film can be further ensured, and the impact force of the flue gas flow beam on the pipe body is small.

The gas-liquid separation tower 2 comprises a tower body 21, a steam-water separation device 22 arranged in the middle of the tower body 21 and a sedimentation tank 23 arranged at the lower part of the tower body 21; the spraying body 1 is arranged between a steam-water separation device 22 and a sedimentation tank 23 at the position where the tower body 21 is communicated, and a gas outlet 24 is arranged above the tower body 21.

The bottom of the sedimentation tank 23 is provided with an inclined plate 231, an acute angle formed by the inclined plate 231 and the horizontal plane is more than 0 degree and not more than 5 degrees, and the angle of the acute angle formed by the inclined plate 231 and the horizontal plane is preferably 1 degree in the embodiment; a sludge discharge port 232 is arranged at the lower side of the inclined plate 231, and an overflow weir 233 is arranged on the upper side wall of the sedimentation tank 23; the device also comprises a circulating device 3, wherein the circulating device 3 comprises a clarification tank 31, a jet water pump 32, a first connecting pipe 33 communicated with the jet assembly 12, and a second connecting pipe 34 communicated with the sedimentation tank 23; a circulating liquid overflow port 234 is arranged on the higher side of the inclined plate 231 on the sedimentation tank 23, and the horizontal plane of the circulating liquid overflow port 234 is lower than that of the overflow weir 233.

In order to intercept and recover moisture in the water-containing gas entering the gas-liquid separation tower as much as possible, the steam-water separation devices 22 are provided in a plurality, and the steam-water separation devices 22 are arranged in multiple layers from top to bottom in the tower body 21.

In order to slow down and even absorb slight shaking of a pipe body which is possibly driven by an injection assembly in the spray body when the injection assembly is injected and ensure the stability of the spray body after the spray body is fixed, a telescopic expansion joint 16 is arranged at the joint of the spray body 1 and the arc-shaped bent pipe 4, and the telescopic expansion joint 16 is communicated with the lower end of the spray body 1 and the upper end surface of the arc-shaped bent pipe 4.

In order to improve the work efficiency of dust removal cooling tower, spray body 1 and be equipped with a plurality of, a plurality of spray body 1 parallelly connected the setting in tower body 21 periphery, a plurality of spray 1 tip setting under the body on same horizontal plane.

The dedusting and cooling tower forms a standing wave film from bottom to top through a spraying component reversely arranged by the spraying component and under the control of a controller to be contacted with high-temperature flue gas entering a spraying body from top to bottom from a gas inlet; the high-temperature flue gas has lighter weight, the time for the gas to pass through the spraying body with the same height from bottom to top at the same air inlet speed is longer, meanwhile, the gas forms a gas flow beam with specific direction running and distribution in the flow guide assembly, the gas penetrates through the liquid standing wave film, and the standing wave film has the functions of trapping particles contained in the gas, absorbing water-soluble or reactive harmful gas in the gas, rapidly cooling the high-temperature flue gas and the like as the gas is fully contacted with the surface of the suspension liquid standing wave film which has extremely large surface area and extremely high updating speed and is reversely sprayed; the suspension liquid is conveyed into a gas-liquid separation tower through a pipe body after being wrapped with particles, the dust-containing liquid is precipitated in a sedimentation tank, and the cooled clean gas is separated and dried by a steam-water separation device and then is discharged from a gas outlet; an inclined plate is introduced into the bottom of the sedimentation tank, so that particles, dust and the like contained in the flue gas are conveniently agglomerated under the action of gravity and are concentrated to a sludge discharge port and then discharged, and the cleanliness of liquid at the upper part of the sedimentation tank is ensured; the arranged overflow weir can observe whether the water continuously accumulated in the sedimentation tank is full; the recycling of supernatant liquor of the sedimentation tank can be realized through the introduced circulating device, the supernatant liquor overflows into the clarification tank through a circulating liquor overflow port arranged on the sedimentation tank, and the washed and cooled liquor is sprayed from bottom to top through a spray assembly by a spray pump to form a suspended liquor standing wave film, so that the recycling of the liquor is realized; the inclination of control swash plate can satisfy dust mud and subsides the gathering according to the action of gravity, does not influence the cleanliness factor of sedimentation tank supernatant again, and it is convenient to use, and dust removal cooling tower work efficiency is high this dust removal cooling tower dust removal effect is good, and cooling effect is good, and waste heat recovery is high.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.