CN112121573A - Waste gas purification treatment system - Google Patents

Waste gas purification treatment system Download PDF

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Publication number
CN112121573A
CN112121573A CN202010929797.9A CN202010929797A CN112121573A CN 112121573 A CN112121573 A CN 112121573A CN 202010929797 A CN202010929797 A CN 202010929797A CN 112121573 A CN112121573 A CN 112121573A
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CN
China
Prior art keywords
pipe
filter
water tank
water
heat exchanger
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Pending
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CN202010929797.9A
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Chinese (zh)
Inventor
王建春
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Individual
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Individual
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Priority to CN202010929797.9A priority Critical patent/CN112121573A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456Removing acid components
    • B01D53/1475Removing carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/62Carbon oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Abstract

The invention relates to a waste gas purification treatment system, which comprises a waste gas collecting mechanism, a dust removing mechanism, a heat exchange mechanism, a filtering mechanism and a reduction mechanism which are sequentially connected, wherein the collecting mechanism comprises an air suction pipe and an induced draft fan connected with the air suction pipe; the heat exchange mechanism comprises a hybrid heat exchanger, and the inlet end of the hybrid heat exchanger is connected with the outlet end of the dust remover through a heat exchange tube; the filter mechanism comprises a filter, and an inlet of the filter is connected with an outlet of the hybrid heat exchanger through a filter pipe; the reduction mechanism comprises a water tank, a stirring mechanism and a catalyst, wherein the stirring mechanism and the catalyst are positioned in the water tank, and the water tank is connected with the outlet of the filter through a water inlet pipe. The system has strong functionality and high environmental protection value, and can be widely applied to the technical field of environmental protection equipment.

Description

Waste gas purification treatment system
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to a waste gas purification treatment system.
Background
The industrial smoke treatment is always the most important work in the environmental protection field, which not only affects the economic benefits of enterprises, but also has great influence on the environment and the lives of surrounding residents. Currently, there are many ways of treating exhaust gas, and among them, adsorption treatment is one of them. In the treatment process, the waste gas is recycled and introduced into the device, and then the treatment is finished by a mode of secondary treatment after chemical reaction or physical change, which plays a certain role, but the treatment is not permanent, and even if the conversion treatment is realized by the mode of chemical reaction, the effect is slight, and the carbon dioxide is finally converted into the carbon dioxide in the treatment process, but the carbon dioxide is still greenhouse gas, so the treatment in the prior art does not achieve the ideal effect. Moreover, the treatment process in the prior art cannot fully and effectively realize the complete treatment of the waste gas.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a waste gas purification treatment system comprises a waste gas collecting mechanism, a dust removing mechanism, a heat exchange mechanism, a filtering mechanism and a reduction mechanism which are sequentially connected, wherein the collecting mechanism comprises an air suction pipe and an induced draft fan connected with the air suction pipe, the dust removing mechanism comprises a dust removing air pipe and a plurality of dust removers connected with the dust removing air pipe, and two ends of the dust removing air pipe are respectively connected with an outlet of the induced draft fan and an inlet end of the dust removers; the heat exchange mechanism comprises a hybrid heat exchanger, and the inlet end of the hybrid heat exchanger is connected with the outlet end of the dust remover through a heat exchange tube; the filter mechanism comprises a filter, and an inlet of the filter is connected with an outlet of the hybrid heat exchanger through a filter pipe; the reduction mechanism comprises a water tank, a stirring mechanism and a catalyst, wherein the stirring mechanism and the catalyst are positioned in the water tank, and the water tank is connected with an outlet of the filter through a water inlet pipe.
Furthermore, the water tank is also provided with a water outlet hole, the water outlet hole is connected with a water outlet pipe, and the water outlet pipe is connected with a household reclaimed water system through an electric pump.
Further, the stirring mechanism comprises a motor, a stirring shaft and stirring rods, wherein the output end of the motor is connected with one end of the stirring shaft, and the stirring rods are arranged on the stirring shaft at intervals; the motor is fixedly connected to the bottom of the water tank.
Furthermore, the air suction pipe is connected with a surface type heat exchanger in parallel, and the air inlet end of the air suction pipe is provided with a temperature detection meter; and an electromagnetic reversing valve is arranged on the gas path where the surface type heat exchanger is located.
Further, the dust remover is established to electric dust remover, and is a plurality of electric dust remover parallel connection is on removing the trachea, including main trachea and a plurality of bronchus of parallel connection on main trachea on removing the trachea, electric dust remover concatenates respectively on the bronchus of difference.
Furthermore, a main valve is arranged on the main air pipe, and a branch valve is arranged on the branch air pipe.
Furthermore, the filters are arranged as activated carbon filters, and the activated carbon filters are arranged in a plurality of numbers and are connected to the hybrid heat exchanger in parallel; a flow regulating valve is arranged on the filter pipe; the water inlet pipe is also connected with a water discharge pipe in parallel, and a water discharge valve is arranged on the water discharge pipe.
Furthermore, the water tank is of a cylindrical structure, a plurality of illuminating lamps are fixedly connected to the upper end of the water tank, and the catalyst is a photocatalyst; the illuminating lamp is connected with a power taking plug through a power taking lead penetrating out of the water tank.
After adopting the structure, the invention has the following advantages:
the device achieves the purpose of treating and adsorbing waste gas heat and harmful gas by arranging a dust removal mechanism, a filtering mechanism, a heat exchange mechanism and the like for continuously treating the waste gas, and catalytically reduces carbon dioxide by a reduction mechanism, thereby achieving the purpose of treating greenhouse gas and having great significance to environmental protection; in addition, the device generates substances capable of realizing secondary utilization by carrying out catalytic reduction on the carbon dioxide, realizes the reutilization of resources and saves the industrial production cost.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1, a waste gas purification treatment system comprises a waste gas collecting mechanism, a dust removing mechanism, a heat exchange mechanism, a filtering mechanism and a reduction mechanism which are connected in sequence, wherein the collecting mechanism comprises an air suction pipe 1 and a draught fan 2 connected with the air suction pipe 1, the dust removing mechanism comprises a dust removing air pipe 3 and a plurality of dust collectors 4 connected with the dust removing air pipe 3, and two ends of the dust removing air pipe 3 are respectively connected with an outlet of the draught fan 2 and an inlet end of each dust collector 4; the heat exchange mechanism comprises a hybrid heat exchanger 5, and the inlet end of the hybrid heat exchanger 5 is connected with the outlet end of the dust remover 4 through a heat exchange tube 6; the filter mechanism comprises a filter 7, and the inlet of the filter 7 is connected with the outlet of the hybrid heat exchanger 5 through a filter pipe 8; the reduction mechanism comprises a water tank 9, a stirring mechanism 10 and a catalyst, wherein the stirring mechanism 10 is positioned in the water tank 9, and the water tank 9 is connected with the outlet of the filter 7 through a water inlet pipe 11.
When letting in waste gas this system, at first in the draught fan 2 through breathing pipe 1, then carry out the primary dust removal through dust remover 4 and handle, then, send into filter 7 with the waste gas after handling and filter, let in after filtering and carry out the heat transfer and adsorb in hybrid heat exchanger 5, finally, let in the basin 9 through the waste gas after hybrid heat exchanger 5 adsorbs, start rabbling mechanism 10, and then realize carrying out the purpose of conversion with carbon dioxide under the effect of catalyst.
In the process of treating the waste gas, the waste gas is firstly subjected to dust removal through an electric dust remover, so that primary filtration is realized; then, because some industrial waste gases have higher temperature in the process of being discharged, if the industrial waste gases are directly treated, the normal operation of equipment can be influenced, therefore, in the invention, in order to improve the dust removal effect and absorb the heat of the waste gases, the mixed heat exchanger 5 is arranged, thereby realizing the washing effect on the waste gases to a certain extent in the process of contacting and exchanging heat with the heat exchange medium water; then, the washed waste gas is further dedusted by a filter 8, so that the dedusting effect is enhanced; and finally, introducing the waste gas into a water tank 9 with a catalyst to realize the conversion of carbon dioxide, thereby achieving the purpose of reducing the greenhouse effect, and having strong practicability and functionality and stronger environmental protection effect.
The water tank 9 is also provided with a water outlet hole, the water outlet hole is connected with a water outlet pipe 12, and the water outlet pipe 12 is connected with a household reclaimed water system through an electric pump.
After entering the water tank 9, the exhaust gas is treated in three processes of electric precipitation, filtration and adsorption, and when the exhaust gas is introduced into the water tank for catalytic reaction, the purpose of converting carbon dioxide is achieved. Therefore, the water quality in the water tank 9 can not be greatly influenced by the introduction of waste gas, and therefore, in the process of nonuse, the water in the water tank 9 can be connected with a household reclaimed water system through a water outlet pipe 12, so that the purposes of flushing, cleaning and the like of a closestool by using the water in the water tank 9 are achieved, the secondary utilization of resources is realized, the resource cost is saved, and the household expenditure is reduced.
The stirring mechanism 10 comprises a motor 101, a stirring shaft 102 and stirring rods 103, wherein the output end of the motor 101 is connected with one end of the stirring shaft 102, and the stirring rods 103 are arranged on the stirring shaft 102 at intervals; the motor 101 is fixed at the bottom of the water tank 9.
Although carbon dioxide has a certain dissolution rate in water, the reaction speed is still gradually reduced in the reaction process, and in order to improve the reaction speed, a stirring mechanism 10 is arranged, so that in the reaction process, the dissolution rate of carbon dioxide in water is improved by stirring, and the reaction speed is further improved, so that the carbon dioxide is fully converted.
The air suction pipe 1 is connected with a surface type heat exchanger 13 in parallel, and the air inlet end of the air suction pipe 1 is provided with a temperature detection meter 14; the gas circuit of the surface heat exchanger 13 is provided with an electromagnetic directional valve 15.
When the exhaust gas temperature is higher, can detect out through temperature detection table 14, then, open solenoid directional valve 15 for waste gas passes through in following surface formula heat exchanger 13 earlier, thereby makes its temperature reduce, then enters into the electrostatic precipitator again and removes dust.
Dust remover 4 establishes to electric dust remover, and a plurality of electric dust remover parallel connection are on removing dust trachea 3, include main trachea 301 and a plurality of bronchus 302 of parallel connection on main trachea 301 on removing dust trachea 3, and electric dust remover connects in series respectively on different bronchus 302.
The main gas pipe 301 is provided with a main valve, and the branch gas pipe 302 is provided with a branch valve.
Through setting up a plurality of gas control valves, can reach the purpose of nimble control gas circulation.
The filters 7 are arranged as activated carbon filters, and the activated carbon filters are arranged in a plurality of numbers and are connected to the hybrid heat exchanger 5 in parallel; a flow regulating valve is arranged on the filter pipe 8; the water inlet pipe 11 is also connected with a water discharge pipe 16 in parallel, and a water discharge valve is arranged on the water discharge pipe 16.
In the system, the filter 7 is movably connected with the water inlet pipe 11 and the filter pipe 8, so that the aim of cleaning the filter 7 regularly can be fulfilled.
The water tank 9 is of a cylindrical structure, a plurality of illuminating lamps 17 are fixedly connected to the upper end of the water tank 9, and the catalyst is a photocatalyst; the light 17 is connected to a power supply plug 19 via a power supply line 18 extending out of the water bath 9.
In the invention, the catalyst can be titanium dioxide, and when the light lamp 17 works by inserting the electricity taking plug 19 into the socket, the purpose of converting the solution dissolved with carbon dioxide into methanol under the action of illumination and the catalyst is realized under the action of the catalyst, so that the purpose of converting carbon dioxide is achieved.
Finally, on the basis of the structure, the water tank 9 is connected with an air duct which is connected with an air storage tank, so that the generated methanol is stored, and the later use of the methanol is realized.

Claims (8)

1. A waste gas purification treatment system is characterized by comprising a waste gas collecting mechanism, a dust removing mechanism, a heat exchange mechanism, a filtering mechanism and a reduction mechanism which are sequentially connected, wherein the collecting mechanism comprises an air suction pipe and an induced draft fan connected with the air suction pipe, the dust removing mechanism comprises a dust removing air pipe and a plurality of dust removers connected with the dust removing air pipe, and two ends of the dust removing air pipe are respectively connected with an outlet of the induced draft fan and an inlet end of the dust removers; the heat exchange mechanism comprises a hybrid heat exchanger, and the inlet end of the hybrid heat exchanger is connected with the outlet end of the dust remover through a heat exchange tube; the filter mechanism comprises a filter, and an inlet of the filter is connected with an outlet of the hybrid heat exchanger through a filter pipe; the reduction mechanism comprises a water tank, a stirring mechanism and a catalyst, wherein the stirring mechanism and the catalyst are positioned in the water tank, and the water tank is connected with an outlet of the filter through a water inlet pipe.
2. The system of claim 1, wherein the water tank further comprises a water outlet hole, and the water outlet hole is connected to a water outlet pipe, and the water outlet pipe is connected to the domestic reclaimed water system through an electric pump.
3. The exhaust gas purification treatment system according to claim 1, wherein the stirring mechanism comprises a motor, a stirring shaft and stirring rods, wherein an output end of the motor is connected with one end of the stirring shaft, and the stirring rods are arranged on the stirring shaft at intervals; the motor is fixedly connected to the bottom of the water tank.
4. The exhaust gas purification treatment system according to claim 1, wherein a surface heat exchanger is connected in parallel to the air intake pipe, and a temperature detection meter is provided at an air intake end of the air intake pipe; and an electromagnetic reversing valve is arranged on the gas path where the surface type heat exchanger is located.
5. The exhaust gas purification treatment system according to claim 1, wherein the dust remover is an electric dust remover, the electric dust remover is connected in parallel to the dust removal air pipe, the dust removal air pipe comprises a main air pipe and a plurality of branch air pipes connected in parallel to the main air pipe, and the electric dust remover is connected in series to different branch air pipes respectively.
6. An exhaust purification treatment system according to claim 5, wherein a main valve is provided on the main gas pipe, and a bypass valve is provided on the branch gas pipe.
7. The exhaust gas purification treatment system according to claim 1, wherein the filter is an activated carbon filter, the activated carbon filter is provided in a plurality of pieces, and the activated carbon filter is connected to the hybrid heat exchanger in parallel; a flow regulating valve is arranged on the filter pipe; the water inlet pipe is also connected with a water discharge pipe in parallel, and a water discharge valve is arranged on the water discharge pipe.
8. An exhaust gas purification treatment system according to any one of claims 1 to 7, wherein the water tank is a cylindrical structure, a plurality of light lamps are fixed in the water tank at an upper end position, and the catalyst is a photocatalyst; the illuminating lamp is connected with a power taking plug through a power taking lead penetrating out of the water tank.
CN202010929797.9A 2020-09-07 2020-09-07 Waste gas purification treatment system Pending CN112121573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010929797.9A CN112121573A (en) 2020-09-07 2020-09-07 Waste gas purification treatment system

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Application Number Priority Date Filing Date Title
CN202010929797.9A CN112121573A (en) 2020-09-07 2020-09-07 Waste gas purification treatment system

Publications (1)

Publication Number Publication Date
CN112121573A true CN112121573A (en) 2020-12-25

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CN202010929797.9A Pending CN112121573A (en) 2020-09-07 2020-09-07 Waste gas purification treatment system

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889698A (en) * 1986-07-16 1989-12-26 A/S Niro Atomizer Process for removal or mercury vapor and/or vapor of noxious organic compounds and/or nitrogen oxides from flue gas from an incinerator plant
CN101596397A (en) * 2009-07-07 2009-12-09 华中科技大学 The direct mineralising partition method of non-separating carbon dioxide from smoke
CN101732987A (en) * 2008-11-21 2010-06-16 中国石油大学(北京) Method for photocatalytic reduction of carbon oxide
CN202109784U (en) * 2011-05-30 2012-01-11 吴美美 Waste heat recovery device for setting machine
CN102580526A (en) * 2012-02-10 2012-07-18 华中科技大学 Photocatalysis reduction method and device for CO2 in flue gas in oxygen-enriched combustion power plant
CN104923021A (en) * 2015-06-24 2015-09-23 武汉纺织大学 Purifying method and set of high-temperature oil-bearing waste gas for heat-setting machine
CN104998506A (en) * 2015-08-02 2015-10-28 冯培永 Waste gas purification treatment device of environment-friendly printing and dyeing setting machine
CN107413159A (en) * 2017-09-22 2017-12-01 华北电力大学 A kind of electrostatic fabric filter for integrating energy-saving desulfuration dedusting
CN206746310U (en) * 2017-02-20 2017-12-15 苏州盟力环境科技有限公司 A kind of photochemical catalytic oxidation emission-control equipment
CN107519722A (en) * 2017-10-16 2017-12-29 石红兵 A kind of multistage environmental protection dust arrester
CN207838609U (en) * 2017-12-19 2018-09-11 天津市诺泽环保科技发展有限公司 A kind of jig cleaner
CN108722086A (en) * 2018-06-15 2018-11-02 苏州市玄天环保科技有限公司 A kind of industrial waste-gas purifier
CN208302433U (en) * 2018-02-10 2019-01-01 连云港澄鑫化工有限公司 A kind of dyestuff waste gas purification apparatus
CN109622225A (en) * 2018-12-29 2019-04-16 浙江索奥环境技术有限公司 A kind of pitch VOCs waste gas purification apparatus
CN109966875A (en) * 2019-04-25 2019-07-05 浙江润阳新材料科技股份有限公司 A kind of dry process technique of high temperature VOC- mix dust exhaust gas
CN209490640U (en) * 2019-01-30 2019-10-15 汇胜集团平原纸业有限公司 A kind of papermaking exhaust treating purifier
CN110813033A (en) * 2019-10-15 2020-02-21 常德菲尔美化工技术有限公司 Non ferrous metal smelting exhaust treatment device
CN211069617U (en) * 2019-10-31 2020-07-24 重庆中清环境科技有限公司 Waste gas treatment equipment

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889698B1 (en) * 1986-07-16 2000-02-01 Niro Atomizer As Process for removal or mercury vapor and/ or vapor of noxious organic compounds and/ or nitrogen oxides from flue gas from an incinerator plant
US4889698A (en) * 1986-07-16 1989-12-26 A/S Niro Atomizer Process for removal or mercury vapor and/or vapor of noxious organic compounds and/or nitrogen oxides from flue gas from an incinerator plant
CN101732987A (en) * 2008-11-21 2010-06-16 中国石油大学(北京) Method for photocatalytic reduction of carbon oxide
CN101596397A (en) * 2009-07-07 2009-12-09 华中科技大学 The direct mineralising partition method of non-separating carbon dioxide from smoke
CN202109784U (en) * 2011-05-30 2012-01-11 吴美美 Waste heat recovery device for setting machine
CN102580526A (en) * 2012-02-10 2012-07-18 华中科技大学 Photocatalysis reduction method and device for CO2 in flue gas in oxygen-enriched combustion power plant
CN104923021A (en) * 2015-06-24 2015-09-23 武汉纺织大学 Purifying method and set of high-temperature oil-bearing waste gas for heat-setting machine
CN104998506A (en) * 2015-08-02 2015-10-28 冯培永 Waste gas purification treatment device of environment-friendly printing and dyeing setting machine
CN206746310U (en) * 2017-02-20 2017-12-15 苏州盟力环境科技有限公司 A kind of photochemical catalytic oxidation emission-control equipment
CN107413159A (en) * 2017-09-22 2017-12-01 华北电力大学 A kind of electrostatic fabric filter for integrating energy-saving desulfuration dedusting
CN107519722A (en) * 2017-10-16 2017-12-29 石红兵 A kind of multistage environmental protection dust arrester
CN207838609U (en) * 2017-12-19 2018-09-11 天津市诺泽环保科技发展有限公司 A kind of jig cleaner
CN208302433U (en) * 2018-02-10 2019-01-01 连云港澄鑫化工有限公司 A kind of dyestuff waste gas purification apparatus
CN108722086A (en) * 2018-06-15 2018-11-02 苏州市玄天环保科技有限公司 A kind of industrial waste-gas purifier
CN109622225A (en) * 2018-12-29 2019-04-16 浙江索奥环境技术有限公司 A kind of pitch VOCs waste gas purification apparatus
CN209490640U (en) * 2019-01-30 2019-10-15 汇胜集团平原纸业有限公司 A kind of papermaking exhaust treating purifier
CN109966875A (en) * 2019-04-25 2019-07-05 浙江润阳新材料科技股份有限公司 A kind of dry process technique of high temperature VOC- mix dust exhaust gas
CN110813033A (en) * 2019-10-15 2020-02-21 常德菲尔美化工技术有限公司 Non ferrous metal smelting exhaust treatment device
CN211069617U (en) * 2019-10-31 2020-07-24 重庆中清环境科技有限公司 Waste gas treatment equipment

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Application publication date: 20201225

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