CN216388423U

CN216388423U - Comprehensive training device for waste gas treatment technology

Info

Publication number: CN216388423U
Application number: CN202122865668.0U
Authority: CN
Inventors: 汪小芳; 何蕊
Original assignee: Kunshan Qingxu Environment Technology Co ltd
Current assignee: Kunshan Qingxu Environment Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-26
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a comprehensive practical training device for a waste gas treatment technology, which comprises a waste gas generation system, a dust removal process system, a desulfurization process system, a denitration process system, a UV photolysis process system and a tail gas absorption process system, wherein the waste gas generation system is arranged at the end part of the device, the dust removal process system is connected to the waste gas generation system, the desulfurization process system is connected to one side of the dust removal process system through a pipeline, one side of the desulfurization process system is connected with a clear water cleaning unit and an alkali liquor reaction unit, the denitration process system is arranged at one side of the desulfurization process system, and the UV photolysis process system and the tail gas absorption process system are sequentially connected to one side of the denitration process system; the utility model is an experimental operation platform combining engineering and teaching, and realizes the visual, operable and research functions of process treatment when in use, thereby meeting the aim of engineering practical training operation and teaching integration.

Description

Comprehensive training device for waste gas treatment technology

Technical Field

The utility model belongs to the technical field of exhaust gas treatment practical training, and particularly relates to a comprehensive practical training device for an exhaust gas treatment technology.

Background

Exhaust gas refers to an atmospheric pollutant that is harmful to human health and the environment due to factors such as natural processes and human production activities. The exhaust gas is of various types, and there are exhaust gases generated by natural movement, such as volcanic eruption, forest fire, and dust generated by strong wind. There are also various waste gases produced by human production activities. The generation sources can be classified into industrial waste gas, domestic waste gas, traffic waste gas, agricultural waste gas and the like according to the nature; the classification according to the physical form of the pollution source contained in the waste gas can be divided into: particulate matter-containing exhaust gas and gaseous pollutant-containing exhaust gas.

The practical training device for the teaching of the existing waste gas treatment technology is usually small-sized simulation or is displayed by a single device, direct operation cannot be carried out according to needs, and the problem of effectively observing and strengthening the teaching effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a comprehensive practical training device for an exhaust gas treatment technology, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a real device of instructing is synthesized to exhaust gas treatment technique, takes place system, dust removal process systems, desulfurization process systems, denitration process systems, UV photodissociation process systems and tail gas absorption process systems including waste gas, waste gas takes place the system mount at the tip of device, and dust removal process systems connects on waste gas takes place the system, desulfurization process systems passes through the pipe connection in one side of dust removal process systems, one side of desulfurization process systems is connected with clear water cleaning unit and alkali lye reaction unit, denitration process systems installs the one side at desulfurization process systems, UV photodissociation process systems and tail gas absorption process systems connect gradually in one side of denitration process systems, and tail gas absorption process systems and clear water cleaning unit intercommunication.

Preferably, the waste gas generating system comprises a gas storage tank with a pressure reduction regulating valve, a gas flowmeter, a dynamic mixer, a dust adder and a mixing tank, wherein the gas storage tank is connected to the mixing tank through the gas flowmeter, the mixing tank is connected to an air inlet pipeline provided with the dynamic mixer through the gas flowmeter, and the dust adder is arranged at one end of the air inlet pipeline.

Preferably, dust removal process systems include, miniature cyclone, machinery shake and beat bag collector, electric transport ware, unload ash bucket, centrifugal fan B and centrifugal fan A, the admission line is connected to upper end one side of miniature cyclone, one side that machinery shakes bag collector is passed through the pipeline and is connected with miniature cyclone's upper end, the lower extreme that machinery shakes bag collector and miniature cyclone's lower extreme discharge port all connect on electric transport ware, electric transport ware's downside is provided with unloads the ash bucket, the inboard that machinery shakes bag collector is provided with the dust, and the upper end of dust sack is provided with mechanical rapping device, the upper end one side that machinery shakes bag collector has connected gradually centrifugal fan B and centrifugal fan A through the pipeline.

Preferably, desulfurization process system includes desulfurizing tower, viewing aperture, porous medium, the lower extreme of desulfurizing tower all communicates through pipeline and centrifugal fan A, porous medium installs the inboard at the desulfurizing tower, the viewing aperture is seted up on the surface of desulfurizing tower and is corresponded with porous medium's position, alkali lye reaction unit includes into alkali lye water pump A, into alkali lye water pump B, alkali lye reserve tank and agitator, alkali lye reserve tank is through advancing alkali lye water pump A and advancing alkali lye water pump B and desulfurizing tower intercommunication, the one end at alkali lye reserve tank is installed to the agitator.

Preferably, the denitration process system comprises a pipeline mixer, a preheater, a heating boiler, a cooling water storage pool and a cooling water lift pump, wherein the pipeline mixer is communicated with the top of the desulfurization tower through a pipeline, the other end of the pipeline mixer is connected with the preheater, one end of the preheater is connected with the heating boiler, the lower end of the heating boiler is communicated with the cooling boiler through a pipeline, and one side of the cooling boiler is communicated with the cooling water storage pool through the cooling water lift pump.

Preferably, UV photolysis processing system includes the reaction unit of ultraviolet decomposition organic waste gas, pipeline and cooling boiler intercommunication are passed through to the upper end of the reaction unit of ultraviolet decomposition organic waste gas, the lower extreme and the tail gas absorption processing system intercommunication of the reaction unit of ultraviolet decomposition organic waste gas, the tail gas absorption processing system includes through the adsorption column of pipe connection on the reaction unit of ultraviolet decomposition organic waste gas and through the chimney of pipe connection on the adsorption column.

Preferably, one side of adsorption column and one side of desulfurizing tower all are provided with clear water cleaning unit, clear water cleaning unit includes water intaking valve, clean water basin, intake elevator pump and level gauge, the clean water basin is through the inside intercommunication of intake elevator pump and pipeline and desulfurizing tower and adsorption column, and the water intaking valve is installed on the pipeline, one side in the clean water basin is installed to the level gauge.

Preferably, the adsorption column, the reaction device for decomposing the organic waste gas by the ultraviolet light, the cooling boiler, the pipeline mixer, the desulfurizing tower and the centrifugal fan A are communicated through pipelines, and the pipelines are provided with detection ports and branch valves.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is an experimental operation platform combining engineering and teaching, and realizes the visual, operable and research functions of process treatment when in use, thereby meeting the aim of engineering practical training operation and teaching integration.

2. According to the utility model, through the combined design among all processes, the practical training device achieves the effects of process diversification, sampling detection processing diversity, intelligence and practicality, so that the practical training device can meet various engineering practical training operations.

Drawings

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

in the figure: 1. a dust adder; 2. a dynamic mixer; 3. a gas flow meter; 4. a gas storage tank; 5. a mixing tank; 6. a mini cyclone dust collector; 7. mechanically rapping a bag type dust collector; 8. a mechanical rapping device; 9. a dust cloth bag; 10. a power transmitter; 11. a centrifugal fan A; 12. a centrifugal fan B; 13. a desulfurizing tower; 14. a viewing port; 15. a porous medium; 16. a pipeline mixer; 17. a preheater; 18. heating a boiler; 19. cooling the boiler; 20. a cooling water storage pool; 21. a cooling water lift pump; 22. a reaction device for decomposing organic waste gas by ultraviolet light; 23. a water inlet valve; 24. an adsorption column; 25. a clean water tank; 26. an alkali liquor storage pool; 27. a stirrer; 28. a chimney; 29. a branch valve; 30. a detection port; 31. an alkali liquor inlet pump A; 32. a liquid level meter; 34. an ash discharge hopper; 35. an alkali liquor inlet water pump B; 36. a water inlet lift pump.

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, the present invention provides a technical solution: a comprehensive training device for waste gas treatment technology comprises a waste gas generation system, a dust removal process system, a desulfurization process system, a denitration process system, a UV photolysis process system and a tail gas absorption process system, wherein the waste gas generation system is arranged at the end part of the device and comprises a gas storage tank 4 with a pressure reduction regulating valve, a gas flowmeter 3, a dynamic mixer 2, a dust adder 1 and a mixing tank 5, the gas storage tank 4 is connected onto the mixing tank 5 through the gas flowmeter 3, the mixing tank 5 is connected onto a gas inlet pipeline provided with the dynamic mixer 2 through the gas flowmeter 3, the dust adder 1 is arranged at one end of the gas inlet pipeline, the gas storage tank 4 is a container for storing simulated waste gas, the pressure reduction regulating valve and the gas flowmeter 3 are configured to control the amount of the waste gas entering the system, the gas dispersion uniformity and the uniformity of the gas are realized through the mixing in the mixing tank 5, and the waste gas amount with different concentrations can be adjusted so as to research the step treatment effect of the purification process, the dynamic mixer 2 is used for realizing the balanced distribution of simulated dust in a reaction pipeline, compared with a static mixer, the mixer can realize the distribution of dust under the action of mechanical force, a dust removal process system is connected on a waste gas generation system, the dust removal process system comprises a micro cyclone dust collector 6, a mechanical rapping bag type dust collector 7, an electric transmitter 10, an ash discharge hopper 34, a centrifugal fan B12 and a centrifugal fan A11, one side of the upper end of the micro cyclone dust collector 6 is connected with an air inlet pipeline, one side of the mechanical rapping bag type dust collector 7 is connected with the upper end of the micro cyclone dust collector 6 through a pipeline, the lower end of the mechanical rapping bag type dust collector 7 and the lower end discharge outlet of the micro cyclone dust collector 6 are both connected on the electric transmitter 10, the ash discharge hopper 34 is arranged at the lower side of the electric transmitter 10, the micro cyclone dust collector 6 brings dust particles with heavier mass into the ash discharge hopper 34 under the action of centrifugal wind, the collection of dust is realized, the inner side of the mechanical rapping bag type dust collector 7 is provided with a dust cloth bag 9, the upper end of the dust cloth bag 9 is provided with a mechanical rapping device 8, the mechanical rapping bag type dust collector 7 utilizes special material distribution to adsorb dust particles, the effect of cleaning the dust accumulated by the material distribution is realized through the mechanical rapping device 8, one side of the upper end of the mechanical rapping bag type dust collector 7 is sequentially connected with a centrifugal fan B12 and a centrifugal fan A11 through pipelines, a desulfurization process system is connected to one side of a dust removal process system through a pipeline, the desulfurization process system comprises a desulfurization tower 13, an observation port 14 and a porous medium 15, the lower end of the desulfurization tower 13 is communicated with a centrifugal fan A11 through a pipeline, the porous medium 15 is arranged at the inner side of the desulfurization tower 13, the observation port 14 is arranged on the surface of the desulfurization tower 13 and corresponds to the position of the porous medium 15, the desulfurization tower 13 is a desulfurization purification reaction vessel, the device is a carrier of the whole alkali liquor absorption reaction, a porous medium 15 is filled in the device, the reaction contact area is increased, a visible window is arranged on the outer side of a reaction column, the reaction observation in the device is convenient, a clear water cleaning unit and an alkali liquor reaction unit are connected to one side of a desulfurization process system, the alkali liquor reaction unit comprises an alkali liquor inlet water pump A31, an alkali liquor inlet water pump B35, an alkali liquor storage tank 26 and a stirrer 27, the alkali liquor storage tank 26 is communicated with a desulfurization tower 13 through an alkali liquor inlet water pump A31 and an alkali liquor inlet water pump B35, the stirrer 27 is arranged at one end of the alkali liquor storage tank 26, the alkali liquor reaction unit is used for storing an alkali liquor absorption desulfurization agent, the denitration process system is arranged at one side of the desulfurization process system, the denitration process system comprises a pipeline mixer 16, a preheater 17, a heating boiler 18, a cooling boiler 19, a cooling water storage tank 20 and a cooling water lift pump 21, the pipeline mixer 16 is communicated with the top of the desulfurization tower 13 through a pipeline, the other end of the pipeline mixer 16 is connected with a preheater 17, one end of the preheater 17 is connected with a heating boiler 18, and the pipeline mixer 16 is used for supplementing redox ammonia gas into the SCR denitration reaction system. The preheater 17 is a sufficient condition for the reaction of the denitration process of the SCR method, and provides the temperature required by the reaction, the exhaust gas is heated to a certain extent before the heating boiler, the heating boiler 18 is a carrier and the central part of the whole reaction and is a direct reaction main body for denitration of the SCR method, the high temperature reaction is provided at the position, in the practical training process, the high temperature needs to be noticed to avoid scalding, the lower end of the heating boiler 18 is communicated with the cooling boiler 19 through a pipeline, the cooling boiler 19 is used for cooling high-temperature gas to ensure that the temperature of the gas entering the next reaction process is the normal reaction temperature, one side of the cooling boiler 19 is communicated with the cooling water storage pool 20 through the cooling water lifting pump 21, the cooling water in the cooling water storage pool 20 is pumped into the cooling boiler 19 through the cooling water lifting pump 21 for use, the UV photolysis process system and the tail gas absorption process system are sequentially connected to one side of the denitration process system, the UV photolysis process system comprises a reaction device 22 for decomposing organic waste gas by ultraviolet light, the upper end of the reaction device 22 for decomposing organic waste gas by ultraviolet light is communicated with a cooling boiler 19 through a pipeline, the lower end of the reaction device 22 for decomposing organic waste gas by ultraviolet light is communicated with a tail gas absorption process system, the reaction device 22 for decomposing organic waste gas by ultraviolet light comprises a special ultraviolet lamp tube and a Ti catalyst for waste gas treatment, the tail gas absorption process system comprises an adsorption column 24 connected on the reaction device 22 for decomposing organic waste gas by ultraviolet light through a pipeline and a chimney 28 connected on the adsorption column 24 through a pipeline, the adsorption column 24 is a reaction carrier for whole tail gas treatment, porous solid fillers arranged in the reaction carrier carry out final absorption treatment on the tail gas, the chimney 28 is an exhaust interface of the whole equipment and is also a detection position of the final tail gas in the whole device process, and the tail gas absorption process system is communicated with a clean water cleaning unit, one side of adsorption column 24 and one side of desulfurizing tower 13 all are provided with clear water cleaning unit, and clear water cleaning unit includes water intaking valve 23, clean water basin 25, intake elevator pump 36 and level gauge 32, and clean water basin 25 communicates with desulfurizing tower 13 and adsorption column 24's inside through intake elevator pump 36 and pipeline, and water intaking valve 23 installs on the pipeline, and level gauge 32 installs in one side of clean water basin 25, can be used to desulfurizing tower 13 reaction later stage clearance residual waste liquid to wash in the adsorption column 24.

As apparent from the above description, the present invention has the following advantageous effects: the engineering teaching platform is an experimental operation platform combining engineering and teaching, and realizes the visual, operable and research functions of process treatment during use, so that the engineering training operation and teaching integration target is met.

Further, referring to fig. 1, the adsorption column 24, the reaction device 22 for decomposing organic waste gas by ultraviolet light, the cooling boiler 19, the pipeline mixer 16, the desulfurizing tower 13, and the centrifugal fan a11 are communicated with each other through a pipeline, and the pipeline is provided with the detection port 30 and the branch valve 29, and the dust removal process system, the desulfurization process system, the denitration process system, the UV photolysis process system, and the tail gas absorption process system can be communicated and isolated through the pipeline and the detection port 30 and the branch valve 29 installed on the pipeline through the branch valve 29, so that teaching and practical training can be conveniently and individually performed on one or more treatment processes, and various teaching and practical training contents can be adapted.

By adopting the combined design among the processes, the practical training device achieves the effects of process diversification, sampling detection processing diversity, intelligence and practicality, so that the practical training device can meet the practical training operation of various projects.

The working principle and the using process of the utility model are as follows: when in use, the simulated waste gas is stored in the gas storage tank 4, the waste gas and the dust are mixed by the gas flowmeter 3 and the mixing tank 5 and enter the gas inlet pipeline, the ventilation effect of the waste gas and the dust in balanced distribution can be simulated by the dust adder 1 and the dynamic mixer 2, the introduced gas is filtered by the micro-cyclone dust collector 6 in stages, the filtered gas is introduced into the mechanical rapping bag-type dust collector 7 by negative pressure generated by the operation of the centrifugal fan B12 and the centrifugal fan A11, the filtered gas is filtered by the mechanical rapping device 8 and the dust cloth bag 9 in the mechanical rapping bag-type dust collector 7, the dust filtered by the micro-cyclone dust collector 6 and the mechanical rapping bag-type dust collector 7 is conveyed by the electric conveyor 10 and discharged from the dust discharge hopper 34, then the filtered waste gas is introduced into the desulfurizing tower 13 by the centrifugal fan B12 and the centrifugal fan A11, and the filtered waste gas is desulfurized by the porous medium 15 in the desulfurizing tower 13 by matching with the alkali liquor pumped from the alkali liquor storage tank 26 by the alkali liquor pump A31 and the alkali liquor pump B35, then the waste gas passes through pipeline mixer 16, preheater 17 gets into heating boiler 18 in carries out denitration treatment, then gets into cooling boiler 19 in, absorb cooling water from cooling water reserve tank 20 through the operation of cooling water elevator pump 21 and get into cooling boiler 19 and cool off the waste gas, the waste gas after the cooling gets into ultraviolet ray and decomposes reaction unit 22 of organic waste gas and carry out further processing in, adsorb tail gas through adsorption column 24, the gas is discharged from chimney 28 after the absorption, and after long-time the use is washed in introducing into desulfurizing tower 13 and adsorption column 24 through intaking elevator pump 36 from clean water basin 25 internal water uptake.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a real device of instructing is synthesized to waste gas treatment technique which characterized in that: including waste gas generation system, dust removal process system, desulfurization process system, denitration process system, UV photodissociation process system and tail gas absorption process system, waste gas generation system installs at the tip of device, and dust removal process system connects on waste gas generation system, desulfurization process system passes through the pipe connection in one side of dust removal process system, one side of desulfurization process system is connected with clear water cleaning unit and alkali lye reaction unit, denitration process system installs the one side at desulfurization process system, UV photodissociation process system and tail gas absorption process system connect gradually in one side of denitration process system, and tail gas absorption process system and clear water cleaning unit intercommunication.

2. The comprehensive practical training device for the exhaust gas treatment technology according to claim 1, characterized in that: waste gas generating system is including gas holder (4), gas flowmeter (3), dynamic mixer (2), dust adder (1) and blending tank (5) that have the decompression governing valve, gas holder (4) are connected on blending tank (5) through gas flowmeter (3), blending tank (5) are connected through gas flowmeter (3) and are installed on the admission line of dynamic mixer (2), the one end at admission line is installed in dust adder (1).

3. The comprehensive practical training device for the exhaust gas treatment technology according to claim 2, characterized in that: dust removal process system includes, miniature cyclone (6), machinery shakes and beats bag collector (7), electric conveyor (10), unloads grey fill (34), centrifugal fan B (12) and centrifugal fan A (11), the admission line is connected to upper end one side of miniature cyclone (6), the machinery shakes one side of bag collector (7) and is connected with the upper end of miniature cyclone (6) through the pipeline, the machinery shakes the lower extreme of bag collector (7) and the lower extreme discharge port of miniature cyclone (6) and all connects on electric conveyor (10), the downside of electric conveyor (10) is provided with unloads grey fill (34), the inboard that the machinery shakes bag collector (7) is provided with dust sack (9), and the upper end of dust sack (9) is provided with mechanical rapping device (8), the upper end one side that the machinery shakes bag collector (7) has connected gradually centrifugal fan B (12) through the pipeline ) And a centrifugal fan A (11).

4. The comprehensive practical training device for the exhaust gas treatment technology according to claim 3, characterized in that: desulfurization process system includes desulfurizing tower (13), viewing aperture (14), porous medium (15), the lower extreme of desulfurizing tower (13) all communicates through pipeline and centrifugal fan A (11), the inboard at desulfurizing tower (13) is installed in porous medium (15), viewing aperture (14) are seted up on the surface of desulfurizing tower (13) and are corresponded with the position of porous medium (15), alkali liquor reaction unit includes into alkali liquor water pump A (31), advances alkali liquor water pump B (35), alkali liquor reserve tank (26) and agitator (27), alkali liquor reserve tank (26) are through advancing alkali liquor water pump A (31) and advancing alkali liquor water pump B (35) and desulfurizing tower (13) intercommunication, the one end at alkali liquor reserve tank (26) is installed in agitator (27).

5. The comprehensive practical training device for the exhaust gas treatment technology according to claim 4, characterized in that: the denitration process system comprises a pipeline mixer (16), a preheater (17), a heating boiler (18), a cooling boiler (19), a cooling water storage pool (20) and a cooling water lift pump (21), wherein the pipeline mixer (16) is communicated with the top of the desulfurization tower (13) through a pipeline, the other end of the pipeline mixer (16) is connected with the preheater (17), one end of the preheater (17) is connected with the heating boiler (18), the lower end of the heating boiler (18) is communicated with the cooling boiler (19) through a pipeline, and one side of the cooling boiler (19) is communicated with the cooling water storage pool (20) through the cooling water lift pump (21).

6. The comprehensive practical training device for the exhaust gas treatment technology according to claim 5, characterized in that: UV photolysis process systems includes reaction unit (22) of ultraviolet decomposition organic waste gas, the upper end of reaction unit (22) of ultraviolet photolysis organic waste gas is through pipeline and cooling boiler (19) intercommunication, the lower extreme and the tail gas absorption process systems intercommunication of reaction unit (22) of ultraviolet photolysis organic waste gas, tail gas absorption process systems includes adsorption column (24) on reaction unit (22) of ultraviolet photolysis organic waste gas and chimney (28) on adsorption column (24) through the pipe connection through pipe connection.

7. The comprehensive practical training device for the exhaust gas treatment technology according to claim 6, characterized in that: one side of adsorption column (24) and one side of desulfurizing tower (13) all are provided with the clear water cleaning unit, the clear water cleaning unit includes water intaking valve (23), clean water basin (25), intake elevator pump (36) and level gauge (32), clean water basin (25) is through the inside intercommunication of water intaking elevator pump (36) and pipeline and desulfurizing tower (13) and adsorption column (24), and water intaking valve (23) install on the pipeline, the one side in clean water basin (25) is installed in level gauge (32).

8. The comprehensive practical training device for the exhaust gas treatment technology according to claim 6, characterized in that: the adsorption column (24), the reaction device (22) for decomposing the organic waste gas by the ultraviolet light, the cooling boiler (19), the pipeline mixer (16), the desulfurizing tower (13) and the centrifugal fan A (11) are communicated with each other through pipelines, and the pipelines are provided with a detection port (30) and a branch valve (29).