CN111632450A

CN111632450A - Waste gas treatment system and waste gas treatment method

Info

Publication number: CN111632450A
Application number: CN201910154742.2A
Authority: CN
Inventors: 马文
Original assignee: Jiangsu Biwofeng Environment Technology Co ltd
Current assignee: Jiangsu Biwofeng Environment Technology Co ltd
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-09-08

Abstract

The invention discloses a waste gas treatment system and a waste gas treatment method. According to the invention, through the arrangement of the primary filtering system, the mixed wastewater is filtered and purified through the activated carbon layer, the purified water flows downwards into the inner cavity of the settling tank to be collected and precipitated, the collected water flow is filtered and purified again and is subjected to precipitation treatment through the arrangement of the settling tank so as to be extracted and used by a water supply system, the waste gas entering the inner cavity of the heating device is subjected to heating treatment again through the arrangement of the heating device, harmful substances in the waste gas are thoroughly oxidized and decomposed, so that the pollution to the external environment is reduced during discharge, and through the arrangement of the exhaust system, the purified air after purification is discharged to the outside.

Description

Waste gas treatment system and waste gas treatment method

Technical Field

The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment system and a waste gas treatment method.

Background

The waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is discharged to the outside so as to reach the national standard of the external discharge of the waste gas. The general waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like.

In industrial production place, often can produce a large amount of waste gases, these waste gases must carry out the preliminary treatment before externally discharging again, have reduced the pollution to the environment, however current processing system is in the processing to waste gas, handles the inefficiency that purifies, consumes fuel, and the treatment cost is high, easily forms the secondary pollution to external environment to complex operation is unfavorable for the use of enterprise.

Disclosure of Invention

The invention aims to provide an exhaust gas treatment system and an exhaust gas treatment method, which have the advantages of high treatment and purification efficiency, low cost and easiness in operation, and solve the problems that the conventional treatment system has low treatment and purification efficiency, consumes fuel, has high treatment cost, is easy to cause secondary pollution to the external environment, is complicated to operate and is not beneficial to the use of enterprises in the treatment of exhaust gas.

In order to achieve the purpose, the invention provides the following technical scheme: a waste gas treatment system comprises a tank body, wherein a settling tank is fixedly connected to the bottom of the tank body, a first chamber is arranged on the left side of the inside of the tank body, a second chamber is arranged on the right side of the inside of the tank body, an exhaust system is fixedly connected to the left side of the inner cavity of the first chamber, a fixed tank is fixedly connected to the top of the tank body, the top of the exhaust system penetrates through the top of the fixed tank, a water supply system is fixedly connected to the right side of the tank body through a first fixed block, a spraying system is fixedly connected to the inner cavity of the fixed tank, the top of the spraying system penetrates through the top of the fixed tank, one side of the water supply system is communicated with the settling tank, the other side of the water supply system is communicated with the spraying system, an air inlet pipe is arranged at the bottom of the left side of the tank body in a penetrating, the bottom fixedly connected with heating device of first cavity inner chamber, heating device's both sides communicate with exhaust system and communicating pipe respectively, the first filtration system of inner chamber fixedly connected with of second cavity, the left side of second cavity inner chamber bottom is run through and is provided with the outlet pipe, the inner chamber to the setting tank is run through to the bottom of outlet pipe.

Preferably, the settling tank comprises a tank body, the top of the inner cavity of the tank body is fixedly connected with a cobble layer, and the bottom of the inner cavity of the tank body is fixedly connected with a sandstone layer.

Preferably, the exhaust system includes the delivery pipe, the surface cover of delivery pipe is equipped with the second fixed block, one side and the jar body fixed connection of second fixed block.

Preferably, first filtration system includes the mount, the top and the bottom of mount inner chamber all are provided with the baffle, the center department of mount inner chamber is provided with the activated carbon layer, the activated carbon layer is located between two baffles, the outlet has all been seted up to the top and the bottom of mount, the top of mount is provided with the concave surface.

Preferably, the water supply system comprises a water guide pipe, a control valve is sleeved on the surface of the water guide pipe, and one end of the water guide pipe is communicated with a first water suction pump.

Preferably, the sprinkler system includes the second suction pump, the delivery port intercommunication of second suction pump has first water pipe, the bottom of first water pipe is run through to the inner chamber and the intercommunication of second cavity have the spray nozzle, bolt and jar body fixed connection are passed through to the top of spray nozzle, the water inlet intercommunication of second suction pump has the second water pipe, the top of second water pipe is run through to the top and the intercommunication of fixed case has the water storage box, the bottom and the fixed case fixed connection of water storage box, the left side intercommunication at water storage box top has the water injection pipe.

Preferably, the spraying nozzle comprises a spraying part, a mounting block is fixedly connected to the top of the spraying part, an outer inclined spraying hole is formed in the outer side of the bottom of the spraying part, a direct-current nozzle is formed in the center of the bottom of the spraying part, the number of the direct-current nozzles is not less than three, and the number of the outer inclined spraying holes is not less than two.

Preferably, the heating device comprises a shell, the bottom of the inner cavity of the shell is fixedly connected with a heater, the top of the heater is fixedly connected with a heat-conducting block, the top of the inner cavity of the shell is fixedly connected with a flow-guiding block, and the bottom of the flow-guiding block is provided with an arc-shaped surface.

The invention also provides a treatment method of the waste gas treatment system, which comprises the following treatment steps:

a1: waste gas generated in production enters an inner cavity of a second cavity in the tank body through an air inlet pipe;

a2: starting a second water suction pump, pumping water in the water storage tank by the second water suction pump, spraying by the spraying nozzle, continuously rising waste gas, rising to the top of the inner cavity of the second cavity through the primary filtering system, opening the control valve while starting the second water suction pump, starting the first water suction pump, controlling the flow of water to be 400-800 ml/s through the control valve, pumping purified water in the settling tank by the first water suction pump, and injecting the purified water into the water storage tank for pumping water again by the second water suction pump for spraying;

a3: under the washing of water flow, microparticles in the waste gas and water are mixed and flow to the top of the primary filtering system and are collected through the concave surface, the water flow continues to flow downwards and is filtered through the activated carbon layer, and the water flow flows to the bottom of the inner cavity of the second cavity through the water outlet, enters the inner cavity of the water outlet pipe and then flows into the inner cavity of the settling tank;

a4: carrying out sedimentation in the sedimentation tank, and simultaneously filtering the sewage flowing into the sedimentation tank again by a sandstone layer and a cobble layer in the inner cavity of the sedimentation tank;

a5: the sprayed and filtered waste gas enters the inner cavity of the heating device through the communicating pipe, the temperature in the heating device is controlled to be 50-80 ℃, heating treatment is carried out, and the waste gas is discharged to the outside through the exhaust system.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention collects and deposits the sewage flowing out of the inner cavity of the second chamber through the setting of the sedimentation tank, and then filters through the sand stone layer and the cobble layer in the sedimentation process to obtain clean purified water, the water storage tank in the spraying system is provided with purified water through the setting of the water supply system, the water supply system pumps the purified water in the sedimentation tank and adds the purified water into the water storage tank to ensure that the water storage tank has sufficient water quantity, the waste gas in the inner cavity of the second chamber is sprayed through the setting of the water supply system, micro particles in the waste gas and the water are mixed and washed downwards, the mixed waste water is filtered and purified through the activated carbon layer through the setting of the primary filtering system, the purified water flows downwards into the inner cavity of the sedimentation tank to collect sedimentation, the collected water flows are filtered and purified again through the setting of the sedimentation tank and are subjected to be extracted and used by the water supply system, through heating device's setting, the waste gas that will enter into the heating device inner chamber carries out thermal treatment once more, with the thorough oxidative decomposition of harmful substance in the waste gas to guarantee to reduce the pollution to external environment when discharging, through exhaust system's setting, will purify the pure air after accomplishing and discharge to the external world.

2. The invention heats and decomposes the waste gas through the matching use of the shell, the heater, the heat conducting block and the flow guide block, ensures the quality of the discharged air, and the arrangement of the flow guide block plays a role of turning and circulating hot gas, so that high-temperature airflow forms airflow in the inner cavity of the exhaust system, thereby achieving the effect of efficiently decomposing the waste gas.

Drawings

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

FIG. 2 is a front sectional view of the sprinkler head structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a partial enlarged view of B in FIG. 1 according to the present invention.

In the figure: 1. a tank body; 2. a settling tank; 3. an exhaust system; 4. a primary filtration system; 5. a fixed box; 6. a water supply system; 7. a spraying system; 8. a first chamber; 9. a second chamber; 10. an air inlet pipe; 11. a first fixed block; 12. a communicating pipe; 13. a heating device; 14. a water outlet pipe; 21. a box body; 22. a sandstone layer; 23. a cobble layer; 31. a discharge pipe; 32. a second fixed block; 41. a fixed mount; 42. a baffle plate; 43. an activated carbon layer; 44. a water outlet; 45. a concave surface; 61. a water conduit; 62. a control valve; 63. a first water pump; 71. a second water pump; 72. a spray nozzle; 73. a water storage tank; 74. a first water pipe; 75. a second water pipe; 131. a housing; 132. a heater; 133. a heat conducting block; 134. a flow guide block; 721. mounting blocks; 722. a spraying member; 723. the outer side is inclined to form a spray hole; 724. and (4) a direct current nozzle.

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.

The embodiment of the system is as follows:

referring to fig. 1-4, the invention provides a technical scheme, a waste gas treatment system, comprising a tank body 1, a settling tank 2 is fixedly connected to the bottom of the tank body 1, a first chamber 8 is arranged on the left side of the inside of the tank body 1, a second chamber 9 is arranged on the right side of the inside of the tank body 1, an exhaust system 3 is fixedly connected to the left side of the inner chamber of the first chamber 8, a fixed tank 5 is fixedly connected to the top of the tank body 1, the top of the exhaust system 3 penetrates through the top of the fixed tank 5, a water supply system 6 is fixedly connected to the right side of the tank body 1 through a first fixed block 11, a spraying system 7 is fixedly connected to the inner chamber of the fixed tank 5, the top of the spraying system 7 penetrates through the top of the fixed tank 5, one side of the water supply system 6 is communicated with the settling tank 2, the other side of the, the right-hand member and the second chamber 9 intercommunication of intake pipe 10, first chamber 8 communicates with second chamber 9 through communicating pipe 12, the bottom fixedly connected with heating device 13 of the 8 inner chambers of first chamber, heating device 13's both sides communicate with exhaust system 3 and communicating pipe 12 respectively, the first filtration system 4 of the inner chamber fixedly connected with of second chamber 9, the left side of the 9 inner chamber bottoms of second chamber is run through and is provided with outlet pipe 14, the inner chamber to settling tank 2 is run through to outlet pipe 14's bottom.

In the invention: the settling tank 2 comprises a tank body 21, a cobble layer 23 is fixedly connected to the top of the inner cavity of the tank body 21, and a sandstone layer 22 is fixedly connected to the bottom of the inner cavity of the tank body 21.

In the invention: the exhaust system 3 comprises a discharge pipe 31, a second fixing block 32 is sleeved on the surface of the discharge pipe 31, and one side of the second fixing block 32 is fixedly connected with the tank body 1.

In the invention: the primary filtering system 4 comprises a fixing frame 41, wherein baffles 42 are arranged at the top and the bottom of the inner cavity of the fixing frame 41, an activated carbon layer 43 is arranged at the center of the inner cavity of the fixing frame 41, the activated carbon layer 43 is positioned between the two baffles 42, water outlets 44 are arranged at the top and the bottom of the fixing frame 41, and a concave surface 45 is arranged at the top of the fixing frame 41.

In the invention: the water supply system 6 comprises a water guide pipe 61, a control valve 62 is sleeved on the surface of the water guide pipe 61, and one end of the water guide pipe 61 is communicated with a first water suction pump 63.

In the invention: the spraying system 7 comprises a second water pump 71, a water outlet of the second water pump 71 is communicated with a first water pipe 74, the bottom of the first water pipe 74 penetrates through an inner cavity of the second chamber 9 and is communicated with a spraying nozzle 72, the top of the spraying nozzle 72 is fixedly connected with the tank body 1 through a bolt, a water inlet of the second water pump 71 is communicated with a second water pipe 75, the top of the second water pipe 75 penetrates through the top of the fixed tank 5 and is communicated with a water storage tank 73, the bottom of the water storage tank 73 is fixedly connected with the fixed tank 5, and the left side of the top of the water storage tank 73 is communicated with a water injection pipe.

In the invention: the spraying nozzle 72 comprises a spraying part 722, the top of the spraying part 722 is fixedly connected with a mounting block 721, the outer side of the bottom of the spraying part 722 is provided with outer inclined spray holes 723, the center of the bottom of the spraying part 722 is provided with a direct current spray hole 724, the number of the direct current spray holes 724 is not less than three, the number of the outer inclined spray holes 723 is not less than two, through the matching use of the mounting block 721, the spraying part 722, the outer inclined spray holes 723 and the direct current spray holes 724, the outer inclined spray holes 723 are arranged in an outward inclined mode, guide water is sprayed to the outer side, the spraying range of the water flow is expanded, and the spraying efficiency is.

In the invention: heating device 13 includes shell 131, the bottom fixedly connected with heater 132 of shell 131 inner chamber, the top fixedly connected with heat conduction piece 133 of heater 132, the top fixedly connected with water conservancy diversion piece 134 of shell 131 inner chamber, the bottom of water conservancy diversion piece 134 is provided with the arcwall face, through shell 131, heater 132, heat conduction piece 133 and water conservancy diversion piece 134's cooperation is used, heat the decomposition to waste gas, guarantee the quality of exhaust air, the setting of water conservancy diversion piece 134, the effect of turn circulation has been played to steam, make high-temperature air current form the air current at 3 inner chambers of exhaust system, in order to reach the effect of decomposing the waste gas high efficiency.

The method comprises the following steps:

an exhaust gas treatment method comprising the following treatment steps:

a1: waste gas generated in production enters the inner cavity of the second chamber 9 in the tank body 1 through the air inlet pipe 10;

a2: the second water pump 71 is started, the second water pump 71 pumps water in the water storage tank 73 and sprays the water through the spray nozzle 72, because the diameter of the spray hole of the spray nozzle 72 is smaller than that of the first water pipe 74, a pressure water flow is formed when the water flow sprays out of the spray nozzle 72, so that the spraying distance and the spraying strength of the water flow are increased, the spraying range of the water flow covers the whole inner cavity of the second chamber 9, the waste gas continuously rises and rises to the top of the inner cavity of the second chamber 9 through the primary filtering system 4, the control valve 62 is opened while the second water pump 71 is started, the first water pump 63 is started, the size of the water flow is controlled at 500 ml/s through the control valve 62, so that mist cannot be generated during water flow spraying to prevent the waste gas from rising, the first water pump 63 pumps clean water in the settling tank 2 and injects the clean water into the water storage tank 73 for the second water pump 71 to pump water again, thus, the circulation of water flow can be completed, and water resources are saved;

a3: under the washing of water flow, microparticles in the waste gas and water are mixed and flow to the top of the primary filtering system 4 and are collected through the concave surface 45, the arrangement of the concave surface 45 enables the sprayed water to be gathered towards the center of the top of the primary filtering system 4 so as to improve the filtering efficiency, the water flow continues to flow downwards and is filtered through the activated carbon layer 43, impurities in the sewage are adsorbed so as to improve the quality of the water flow, and the water flow flows to the bottom of the inner cavity of the second chamber 9 through the water outlet 44, enters the inner cavity of the water outlet pipe 14 and flows into the inner cavity of the settling tank 2;

a4: sedimentation is carried out in the sedimentation tank 2, and meanwhile, the gravel layer 22 and the cobblestone layer 23 in the inner cavity of the sedimentation tank 2 can carry out secondary filtration on sewage flowing into the sedimentation tank 2, so that the quality of water flow is further improved;

a5: the sprayed and filtered waste gas enters the inner cavity of the heating device 13 through the communicating pipe 12, the temperature in the heating device 13 is controlled at 75 ℃, heating treatment is carried out, harmful substances in the waste gas are decomposed into harmless substances under the action of high temperature, and the harmless substances are discharged to the outside through the exhaust system 3 so as to reduce the pollution to the outside environment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims

1. An exhaust gas treatment system, includes a jar body (1), its characterized in that: the bottom of the tank body (1) is fixedly connected with a settling tank (2), the left side of the inside of the tank body (1) is provided with a first cavity (8), the right side of the inside of the tank body (1) is provided with a second cavity (9), the left side of the inner cavity of the first cavity (8) is fixedly connected with an exhaust system (3), the top of the tank body (1) is fixedly connected with a fixed tank (5), the top of the exhaust system (3) penetrates through the top of the fixed tank (5), the right side of the tank body (1) is fixedly connected with a water supply system (6) through a first fixed block (11), the inner cavity of the fixed tank (5) is fixedly connected with a spraying system (7), the top of the spraying system (7) penetrates through the top of the fixed tank (5), one side of the water supply system (6) is communicated with the settling tank (2), and the other side of the water supply system (6) is communicated with the, the utility model discloses a set up intake pipe (10) in jar body (1) left bottom runs through and is provided with, the right-hand member and second cavity (9) intercommunication of intake pipe (10), first cavity (8) are through communicating pipe (12) and second cavity (9) intercommunication, the bottom fixedly connected with heating device (13) of first cavity (8) inner chamber, the both sides of heating device (13) communicate with exhaust system (3) and communicating pipe (12) respectively, the first filtration system (4) of inner chamber fixedly connected with of second cavity (9), the left side of second cavity (9) inner chamber bottom is run through and is provided with outlet pipe (14), the inner chamber to setting tank (2) is run through to the bottom of outlet pipe (14).

2. An exhaust treatment system according to claim 1, wherein: the settling tank (2) comprises a tank body (21), the top of the inner cavity of the tank body (21) is fixedly connected with a cobble layer (23), and the bottom of the inner cavity of the tank body (21) is fixedly connected with a sandstone layer (22).

3. An exhaust treatment system according to claim 1, wherein: exhaust system (3) are including delivery pipe (31), the surface cover of delivery pipe (31) is equipped with second fixed block (32), one side and jar body (1) fixed connection of second fixed block (32).

4. An exhaust treatment system according to claim 1, wherein: first filtration system (4) are including mount (41), the top and the bottom of mount (41) inner chamber all are provided with baffle (42), the center department of mount (41) inner chamber is provided with activated carbon layer (43), activated carbon layer (43) are located between two baffle (42), outlet (44) have all been seted up to the top and the bottom of mount (41), the top of mount (41) is provided with concave surface (45).

5. An exhaust treatment system according to claim 1, wherein: the water supply system (6) comprises a water guide pipe (61), a control valve (62) is sleeved on the surface of the water guide pipe (61), and one end of the water guide pipe (61) is communicated with a first water suction pump (63).

6. An exhaust treatment system according to claim 1, wherein: sprinkling system (7) include second suction pump (71), the delivery port intercommunication of second suction pump (71) has first water pipe (74), the inner chamber and the intercommunication of the bottom of first water pipe (74) to second chamber (9) have spray nozzle (72), the top of spray nozzle (72) is through bolt and jar body (1) fixed connection, the water inlet intercommunication of second suction pump (71) has second water pipe (75), the top and the intercommunication of the top of second water pipe (75) to fixed box (5) have water storage tank (73), the bottom and fixed box (5) fixed connection of water storage tank (73), the left side intercommunication at water storage tank (73) top has the water injection pipe.

7. An exhaust treatment system according to claim 6, wherein: the spraying nozzle (72) comprises a spraying piece (722), the top of the spraying piece (722) is fixedly connected with a mounting block (721), the outer side of the bottom of the spraying piece (722) is provided with an outer inclined spraying hole (723), the center of the bottom of the spraying piece (722) is provided with a direct current nozzle (724), the number of the direct current nozzles (724) is not less than three, and the number of the outer inclined spraying holes (723) is not less than two.

8. An exhaust treatment system according to claim 1, wherein: the heating device (13) comprises a shell (131), a heater (132) is fixedly connected to the bottom of the inner cavity of the shell (131), a heat conducting block (133) is fixedly connected to the top of the heater (132), a flow guide block (134) is fixedly connected to the top of the inner cavity of the shell (131), and an arc-shaped surface is arranged at the bottom of the flow guide block (134).

9. A method of treating an exhaust gas treatment system according to any one of claims 1 to 8, comprising the steps of:

a1: waste gas generated in production enters an inner cavity of a second cavity (9) in the tank body (1) through an air inlet pipe (10);

a2: starting a second water suction pump (71), pumping water in a water storage tank (73) by the second water suction pump (71) and spraying the water through a spraying nozzle (72), continuously rising waste gas and rising the waste gas to the top of an inner cavity of a second chamber (9) through a primary filtering system (4), opening a control valve (62) while starting the second water suction pump (71), starting a first water suction pump (63), controlling the size of water flow to be 400-800 ml/s through the control valve (62), pumping clean water in a settling tank (2) by the first water suction pump (63) and injecting the clean water into the water storage tank (73) so as to enable the second water suction pump (71) to pump water again and spray;

a3: under the washing of water flow, microparticles in the waste gas and water are mixed and flow to the top of the primary filtering system (4) and are collected through the concave surface (45), the water flow continues to flow downwards and is filtered through the activated carbon layer (43), the water flow flows to the bottom of the inner cavity of the second chamber (9) through the water outlet (44), enters the inner cavity of the water outlet pipe (14) and then flows into the inner cavity of the settling tank (2);

a4: sedimentation is carried out in the sedimentation tank (2), and meanwhile, a sandstone layer (22) and a cobble layer (23) in the inner cavity of the sedimentation tank (2) can carry out secondary filtration on the sewage flowing into the sedimentation tank (2);

a5: the sprayed and filtered waste gas enters the inner cavity of the heating device (13) through the communicating pipe (12), the temperature in the heating device (13) is controlled to be 50-80 ℃, heating treatment is carried out, and the waste gas is discharged to the outside through the exhaust system (3).