阅读说明：本技术 运用在燃烧系统中废气水分回收装置及方法 (Waste gas moisture recovery device and method applied to combustion system ) 是由 龙尚海 于 2021-09-10 设计创作，主要内容包括：本发明涉及废气回收技术领域,且公开了所述壳体的左端固定连接有卡板,所述卡板远离壳体的一端固定连接有前封头,所述前封头远离卡板的一端中心固定连接有进烟管,所述壳体远离卡板的一端固定连接有二次过滤网,所述二次过滤网远离壳体的一端固定连接有后封头,所述壳体靠近卡板的一端底部固定连接有排水管,所述排水管的底端固定连接有冷却水箱,通过冷却水沿着上挡板和下挡板形成的曲折路径流动,将湿烟气在管列的内部和表面凝结成水滴,其中表面的凝结水会被抽水泵抽走,然后重新被排入壳体的内部,达到循环利用的目的,而内部的凝结水通过循环管被利用到暖气供暖或者燃烧系统的锅炉预热中,通过循环利用,大大的节省了能源。(The invention relates to the technical field of waste gas recovery, and discloses a clamping plate fixedly connected with the left end of a shell, a front seal head is fixedly connected with one end of the clamping plate far away from the shell, a smoke inlet pipe is fixedly connected with the center of one end of the front seal head far away from the clamping plate, a secondary filter screen is fixedly connected with one end of the shell far away from the clamping plate, a rear seal head is fixedly connected with one end of the secondary filter screen far away from the shell, a drain pipe is fixedly connected with the bottom of one end of the shell close to the clamping plate, a cooling water tank is fixedly connected with the bottom end of the drain pipe, wet smoke is condensed into water drops inside and on the surface of a pipe array through the flow of cooling water along a tortuous path formed by an upper baffle and a lower baffle, wherein condensed water on the surface can be pumped away by a water pump and then is discharged into the shell again to achieve the purpose of recycling, and the condensed water inside is utilized to the preheating of a heating system or a combustion system through a circulating pipe, through cyclic utilization, the energy is greatly saved.)

1. The application is in exhaust gas moisture recovery unit among combustion system, including casing (1), its characterized in that: the smoke exhaust ventilator is characterized in that a clamping plate (2) is fixedly connected to the left end of the shell (1), a front seal head (3) is fixedly connected to one end, away from the clamping plate (1), of the clamping plate (2), a smoke inlet pipe (4) is fixedly connected to the center of one end, away from the clamping plate (2), of the front seal head (3), a secondary filter screen (5) is fixedly connected to one end, away from the clamping plate (2), of the shell (1), a rear seal head (6) is fixedly connected to one end, away from the secondary filter screen (5), of the rear seal head (6), a water outlet pipe (7) is fixedly connected to the bottom of one end, close to the clamping plate (2), of the shell (1), a water discharge pipe (8) is fixedly connected to the bottom of the water discharge pipe (8), a cooling water tank (9) is fixedly connected to the bottom of the water discharge pipe (8), and a pipe orifice (10) is fixedly connected to the top of one end, close to the secondary filter screen (5), of the shell (1), the top fixedly connected with of mouth of pipe (10) rolls over pipe (11), roll over one end fixedly connected with return bend (12) that pipe (11) kept away from casing (1), the bottom fixedly connected with machine case (13) of return bend (12), one side bottom center fixedly connected with drinking-water pipe (14) that machine case (13) are close to cooling water tank (9), the inside fixedly connected with tube sheet (15) of casing (1), the inside fixedly connected with tube bank (16) of tube sheet (15), the inside first fixedly connected with overhead gage (17) of casing (1), baffle (18) down is fixedly connected with to the inside lower half of casing (1), the one end fixedly connected with circulating pipe (19) that back head (6) were kept away from in outlet pipe (7), the inside fixedly connected with drinking-water pump (20) of machine case (13), the inside swing joint of preceding head (3) has ceramic membrane (31), one side of the ceramic membrane (31) close to the clamping plate (2) is fixedly connected with a primary filter screen (32).

2. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: the front seal head (3) is connected with the clamping plate (2) through threads, and the secondary filter screen (5) is connected with the rear seal head (6) through threads.

3. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: the two groups of tube plates (15) are respectively arranged at the left end and the right end in the shell (1), holes are formed in the tube plates (15), and the positions of the holes are in one-to-one correspondence with the tube arrays (16).

4. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: the upper baffle (17) and the lower baffle (18) are both perpendicular to the tube array (16), and the upper baffle (17) and the lower baffle (18) are mutually staggered and arranged at the upper part and the lower part in the shell (1).

5. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: the inner parts of the upper baffle plate (17) and the lower baffle plate (18) are provided with holes which correspond to the upper half part and the lower half part of the tube plate (15) respectively, and the tube arrays (16) are fixedly connected to the inner parts of the upper baffle plate (17) and the lower baffle plate (18).

6. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: one end fixed connection that drinking-water pipe (14) are close to cooling water tank (9) is besieged on one side that cooling water tank (9) are close to drinking-water pipe (14), suction pump (20) respectively with drinking-water pipe (14) and return bend (12) fixed connection.

7. The exhaust gas moisture recovery apparatus applied to a combustion system according to claim 1, wherein: the secondary filter screen (5) is movably connected inside the rear end enclosure (6), and one end, far away from the water outlet pipe (7), of the circulating pipe (19) is fixedly connected with a return pipe and a heating pipe.

8. The use method of the exhaust gas moisture recovery device applied to the combustion system according to claim 1, characterized by comprising the following steps:

s1, firstly, connecting a smoke exhaust pipe of the combustion system with a smoke inlet pipe (4), then enabling wet smoke generated by the combustion system to enter the front end enclosure (3) through the smoke inlet pipe (4), and filtering through a ceramic membrane (31), wherein the ceramic membrane (31) has the characteristics of narrow pore size distribution, high separation rate, high temperature resistance, easiness in cleaning and the like;

s2, continuously filtering the filtered wet flue gas through the primary filter screen (32), filtering impurities and the like, enabling the filtered pure wet flue gas to pass through the tube array (16), and injecting cooling water into the shell (1) from the inside of the folded tube (11) through the tube opening (10);

s3, the cooling water is blocked by the upper baffle (17) and the lower baffle (18), then the cooling water flows along a tortuous path formed by the upper baffle (17) and the lower baffle (18), the temperature of the wet flue gas in the tube array (16) is reduced, the wet flue gas is condensed into water drops in the tube array (16) and on the surface when meeting cold, and the water drops flow into the cooling water tank (9) through the drain pipe (8) along with the cooling water on the surface;

s4, cooling the water in the cooling water tank (9), pumping the water away by the water pump (20) through the water pumping pipe (14), and then discharging the water into the shell (1) through the folding pipe (11) to achieve the purpose of recycling;

s5, at the same time, the condensed water in the tube array (16) is secondarily filtered through the secondary filter screen (5), then enters the rear end enclosure (6), and is finally utilized to heat by a heating system or preheat by a boiler of a combustion system through the circulating tube (19), so that energy is greatly saved.

Technical Field

The invention relates to the technical field of waste gas recovery, in particular to a waste gas moisture recovery device and method applied to a combustion system.

Background

The combustion system is a combination of equipment and corresponding smoke, wind and coal (coal powder) pipelines, which are required for enabling fuel to be fully combusted in a boiler hearth and discharging smoke generated by combustion into the atmosphere; the combustion system generally comprises four parts, namely a combustor air supply system, an ignition system, a fuel system and an electric control system, and the combustion system converts chemical energy of combustion substances into heat energy to do work.

Can produce a large amount of flue gases because of the burning when combustion system burning does work, contain a large amount of moisture in these flue gases, if let by it volatilize, can cause certain waste to the water resource, be not conform to the environmental protection policy of advocating by the country, wherein just discharge without handling in the discarded flue gas, also can cause the pollution to the environment, consequently need use waste gas moisture recovery unit and method in combustion system, possess the effect of cyclic utilization water resource, energy saving.

The cooling water flows along the zigzag path formed by the upper baffle and the lower baffle, the wet flue gas is condensed into water drops in the tube row and on the surface, the condensed water on the surface can be pumped away by the water pump and then is discharged into the shell again, the purpose of recycling is achieved, the condensed water in the shell is utilized to the heating system or the boiler preheating of the combustion system through the circulating pipe, and the energy is greatly saved through recycling.

Disclosure of Invention

In order to realize the purposes of recycling water resources and saving energy, the invention provides the following technical scheme: the waste gas and moisture recovery device applied to the combustion system comprises a shell, wherein a clamping plate is fixedly connected to the left end of the shell, a front seal head is fixedly connected to one end, away from the shell, of the clamping plate, a smoke inlet pipe is fixedly connected to the center of one end, away from the clamping plate, of the front seal head, a secondary filter screen is fixedly connected to one end, away from the shell, of the shell, a rear seal head is fixedly connected to one end, away from the secondary filter screen, of the rear seal head, a water outlet pipe is fixedly connected to the bottom of one end, close to the clamping plate, of the shell, a cooling water tank is fixedly connected to the bottom of the water outlet pipe, a pipe orifice is fixedly connected to the top of one end, close to the secondary filter screen, of the shell, a bent pipe is fixedly connected to the top of the pipe, a bent pipe is fixedly connected to one end, away from the shell, and a case is fixedly connected to the bottom of the bent pipe, the utility model discloses a quick-witted case, cooling water tank, the inside fixedly connected with tube sheet of casing, the inside fixedly connected with tube sheet of case is close to cooling water tank's one side bottom center fixedly connected with drinking-water pipe, the inside fixedly connected with tube sheet of casing, the inside fixedly connected with bank of tubes of tube sheet, the first fixedly connected with overhead gage in the inside of casing, baffle under the inside lower half fixedly connected with of casing, the one end fixedly connected with circulating pipe of back head is kept away from to the outlet pipe, the inside fixedly connected with suction pump of case, the inside swing joint of preceding head has the ceramic membrane, the ceramic membrane is close to one side fixedly connected with primary filter screen of cardboard.

As optimization, preceding head and cardboard pass through threaded connection and are in the same place, secondary filter also is in the same place through threaded connection with the back head, for convenient dismantlement, is convenient for change inside ceramic membrane, primary filter net and secondary filter net.

Preferably, the two groups of tube plates are respectively arranged at the left end and the right end in the shell, holes are formed in the tube plates, the positions of the holes are in one-to-one correspondence with the tube arrays, and the tube arrays are fixed in the shell through the holes.

Preferably, the upper baffle and the lower baffle are perpendicular to the tube array, the upper baffle and the lower baffle are installed in the upper part and the lower part of the shell in a staggered mode, and a tortuous flow path is formed by the staggered arrangement of the upper baffle and the lower baffle.

Preferably, holes are formed in the upper baffle and the lower baffle and correspond to the upper half portion and the lower half portion of the tube plate respectively, and the tube arrays are fixedly connected to the inner portions of the upper baffle and the lower baffle so as to achieve the effects of strengthening heat transfer and supporting the tube arrays.

As the optimization, cooling water tank is close to one side of drinking-water pipe to the one end fixed connection that the drinking-water pipe is close to cooling water tank, the suction pump respectively with drinking-water pipe and return bend fixed connection, through the inside water of suction pump extraction cooling water tank, through the return bend emission.

As optimization, secondary filter screen swing joint is in the inside of back head, the one end fixedly connected with back flow and the steam heating pipe of outlet pipe are kept away from to the circulating pipe, in order to discharge the water behind the secondary filter screen through the circulating pipe, reach cyclic utilization, the effect of saving the resource.

The use method of the waste gas moisture recovery device applied to the combustion system comprises the following steps:

s1, firstly, connecting a smoke exhaust pipe and a smoke inlet pipe of the combustion system, then enabling wet smoke generated by the combustion system to enter the front end enclosure through the smoke inlet pipe, and filtering through a ceramic membrane, wherein the ceramic membrane has the characteristics of narrow pore size distribution, high separation rate, high temperature resistance, easiness in cleaning and the like;

s2, continuously filtering the filtered wet flue gas through a primary filter screen, filtering impurities and the like, enabling the filtered pure wet flue gas to pass through a tube array, and injecting cooling water into the shell from the inside of the folded tube through a tube opening;

s3, cooling water is blocked by the upper baffle and the lower baffle and then flows along a tortuous path formed by the upper baffle and the lower baffle to cool wet flue gas in the tube array, the wet flue gas is condensed into water drops in the tube array and on the surface of the tube array when meeting cold, and the water drops flow into the cooling water tank through the drain pipe after the surface of the wet flue gas follows the cooling water;

s4, cooling the water in the cooling water tank, pumping the water away by a water pump through a water pumping pipe and then discharging the water into the shell through a folding pipe to achieve the purpose of recycling;

s5, meanwhile, the condensed water in the tube array is subjected to secondary filtration through a secondary filter screen, then enters the rear end enclosure, and is finally utilized to the heating of a central heating system or the preheating of a boiler of a combustion system through a circulating tube, so that the energy is greatly saved.

The invention has the beneficial effects that: this application is in exhaust gas moisture recovery unit in combustion system, filter wet flue gas through ceramic membrane and primary filter net, the rethread cooling water flows along the inside of overhead gage and lower baffle formation tortuous route, make wet flue gas can condense into the water droplet on the inside and surface of bank of tubes, wherein the condensate water on surface and cooling water enter into inside the coolant tank together, can be taken away by the suction pump after the cooling is accomplished, the inside of shell is discharged into to the rethread bank of tubes, reach cyclic utilization's purpose, and the condensate water that the inside produced of bank of tubes can be by secondary filter net secondary filter, then utilize the boiler preheating of heating installation or combustion system through the circulating pipe, through cyclic utilization, great energy has been saved.

Drawings

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

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is a front cut-away view of the structure of the present invention;

FIG. 5 is a schematic view of the moving path of the cooling water according to the present invention;

fig. 6 is a schematic structural diagram of a chassis according to the present invention.

In the figure: 1. a housing; 2. clamping a plate; 3. a front end enclosure; 4. a smoke inlet pipe; 5. a secondary filter screen; 6. sealing the end; 7. a water outlet pipe; 8. a drain pipe; 9. a cooling water tank; 10. a pipe orifice; 11. folding the tube; 12. bending the pipe; 13. a chassis; 14. a water pumping pipe; 15. a tube sheet; 16. a tube array; 17. an upper baffle plate; 18. a lower baffle plate; 19. a circulation pipe; 20. a water pump; 31. a ceramic membrane; 32. a primary filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a waste gas moisture recovery device applied in a combustion system comprises a housing 1, a clamping plate 2 is fixedly connected to the left end of the housing 1, a front end socket 3 is fixedly connected to one end of the clamping plate 2 away from the housing 1, a smoke inlet pipe 4 is fixedly connected to the center of one end of the front end socket 3 away from the clamping plate 2, a secondary filter screen 5 is fixedly connected to one end of the housing 1 away from the clamping plate 2, a rear end socket 6 is fixedly connected to one end of the secondary filter screen 5 away from the housing 1, a water outlet pipe 7 is fixedly connected to one end of the rear end socket 6 away from the secondary filter screen 5, a drain pipe 8 is fixedly connected to the bottom of one end of the housing 1 close to the clamping plate 2, a cooling water tank 9 is fixedly connected to the bottom of the drain pipe 8, a pipe orifice 10 is fixedly connected to the top of one end of the housing 1 close to the secondary filter screen 5, a folding pipe 11 is fixedly connected to the top of the pipe orifice 10, and a bent pipe 12 is fixedly connected to one end of the folding pipe 11 away from the housing 1, the bottom end of the elbow 12 is fixedly connected with a case 13, the center of the bottom of one side of the case 13 close to the cooling water tank 9 is fixedly connected with a pumping pipe 14, the inside of the shell 1 is fixedly connected with a pipe plate 15, the inside of the pipe plate 15 is fixedly connected with a pipe array 16, the upper half part of the inside of the shell 1 is fixedly connected with an upper baffle 17, the lower half part of the inside of the shell 1 is fixedly connected with a lower baffle 18, the front seal head 3 and the clamp plate 2 are connected together through threads, the secondary filter screen 5 and the rear seal head 6 are also connected together through threads, for the convenience of disassembly, the ceramic membrane 31, the primary filter screen 32 and the secondary filter screen 5 inside are convenient to replace, the pipe plate 15 is provided with two groups, the left end and the right end inside of the shell 1 are respectively provided with holes, the positions of the holes are in one-to one correspondence with the pipe arrays 16, the pipe arrays 16 are fixed in the shell 1 through the holes, and the upper baffle 17 and the lower baffle 18 are both perpendicular to the pipe arrays 16, the upper baffle 17 and the lower baffle 18 are arranged in the upper part and the lower part of the shell 1 in a mutually staggered mode, a zigzag flow path is formed by the upper baffle 17 and the lower baffle 18 in a staggered mode, holes are formed in the upper baffle 17 and the lower baffle 18 and correspond to the upper half part and the lower half part of the tube plate 15 respectively, and the tube array 16 is fixedly connected inside the upper baffle 17 and the lower baffle 18 and is used for achieving the effects of strengthening heat transfer and supporting the tube array 16.

Referring to fig. 4-6, one end of the water outlet pipe 7, which is far from the rear end enclosure 6, is fixedly connected with a circulating pipe 19, the inside of the case 13 is fixedly connected with a water suction pump 20, the inside of the front end enclosure 3 is movably connected with a ceramic membrane 31, one side of the ceramic membrane 31, which is close to the clamping plate 2, is fixedly connected with a primary filter screen 32, one end of the water suction pipe 14, which is close to the cooling water tank 9, is fixedly connected with one side of the cooling water tank 9, which is close to the water suction pipe 14, and the water suction pump 20 is respectively fixedly connected with the water suction pipe 14 and the elbow pipe 12, the water in the cooling water tank 9 is pumped by the water pump 20 and discharged through the bent pipe 12, the secondary filter screen 5 is movably connected in the back end enclosure 6, one end of the circulating pipe 19 far away from the water outlet pipe 7 is fixedly connected with a return pipe and a heating pipe, in order to discharge the water filtered by the secondary filter screen 5 through the circulating pipe 19, the water is recycled, and the resource is saved.

The use method of the waste gas moisture recovery device applied to the combustion system comprises the following steps:

s1, firstly, connecting a smoke exhaust pipe of the combustion system with the smoke inlet pipe 4, then enabling wet smoke generated by the combustion system to enter the front end enclosure 3 through the smoke inlet pipe 4, and filtering through the ceramic membrane 31, wherein the ceramic membrane 31 has the characteristics of narrow pore size distribution, high separation rate, high temperature resistance, easiness in cleaning and the like;

s2, continuously filtering the filtered wet flue gas through the primary filter screen 32, filtering impurities and the like, enabling the filtered pure wet flue gas to pass through the tube array 16, and injecting cooling water into the shell 1 from the inside of the bent tube 11 through the tube opening 10;

s3, the cooling water is blocked by the upper baffle 17 and the lower baffle 18 and then flows along the tortuous path formed by the upper baffle 17 and the lower baffle 18 to cool the wet flue gas in the tube array 16, the wet flue gas is condensed into water drops in the tube array 16 and on the surface when meeting cold, and the water drops flow into the cooling water tank 9 through the drain pipe 8 together with the cooling water after the surface;

s4, cooling the water in the cooling water tank 9, pumping the water away by the water pump 20 through the water pumping pipe 14, and then discharging the water into the shell 1 through the folding pipe 11 to achieve the purpose of recycling;

s5, at the same time, the condensed water in the tube array 16 is secondarily filtered through the secondary filter screen 5, then enters the rear end enclosure 6, and is finally utilized to heat by a heater or preheat by a boiler of a combustion system through the circulating tube 19, so that energy is greatly saved.

In summary, the wet flue gas is filtered by the ceramic membrane 31 and the primary filter screen 32, and then the cooling water flows along the tortuous path formed by the upper baffle 17 and the lower baffle 18, so that the wet flue gas can be condensed into water drops inside and on the surface of the tube array 16, wherein the condensed water on the surface and the cooling water enter the cooling water tank 9 together, and after cooling is completed, the condensed water is pumped away by the water pump 20 and then is discharged into the shell 1 through the folding tube 11, so as to achieve the purpose of recycling, and the condensed water generated inside the tube array 16 can be secondarily filtered by the secondary filter screen 5, and then is utilized to the boiler preheating of the heating system or the combustion system through the circulating tube 19, so that energy is greatly saved through recycling.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.