CN116328492B - VOCs waste gas treatment device and method thereof - Google Patents
VOCs waste gas treatment device and method thereof Download PDFInfo
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- CN116328492B CN116328492B CN202310595221.7A CN202310595221A CN116328492B CN 116328492 B CN116328492 B CN 116328492B CN 202310595221 A CN202310595221 A CN 202310595221A CN 116328492 B CN116328492 B CN 116328492B
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- 239000002912 waste gas Substances 0.000 title claims abstract description 34
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 231
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 115
- 239000007788 liquid Substances 0.000 claims abstract description 114
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000746 purification Methods 0.000 claims abstract description 55
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000004916 vomit Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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 adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation 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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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 adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation 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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a VOCs waste gas treatment device and a method thereof, and relates to the field of waste gas treatment, the VOCs waste gas treatment device comprises a control box, a fan assembly, a purification integrated machine, a temperature sensor, an electromagnetic valve and a support assembly, wherein the control box is used for automatically controlling the fan assembly, the purification integrated machine, the temperature sensor and the electromagnetic valve; according to the invention, the heat dissipation plates are arranged between the active carbon plates, and the liquid nitrogen conveying mechanism and the liquid nitrogen discharge pipe orifice are matched, so that liquid nitrogen is rapidly distributed to each position of the active carbon plates, the active carbon plates are cooled, the active carbon plates are prevented from being burnt, and the working safety of the purification all-in-one machine is ensured.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a VOCs waste gas treatment device and a VOCs waste gas treatment method.
Background
VOCs refer to volatile organic compounds, which easily cause acute poisoning when the concentration of the volatile organic compounds in indoor air is too high, the light people can suffer from headache, dizziness, cough, nausea, vomit or drunk shape, and the harm to the human body is great;
the activated carbon adsorption concentration technology is a VOCs waste gas treatment technology which is more suitable for large air volume and low concentration in a plurality of waste gas treatment technologies, but after many years of operation practice, the technology has some defects: the invention provides a VOCs waste gas treatment device and a VOCs waste gas treatment method, which are used for solving the problems in the prior art, by adopting activated carbon as an adsorbent, and continuously increasing the temperature of an activated carbon plate along with the increase of the purification time in the purification treatment process of high-temperature flue gas, and causing the occurrence of safety accidents due to the risk of spontaneous combustion of the activated carbon plate when the temperature of the activated carbon plate is too high.
Disclosure of Invention
In view of the above problems, the present invention provides a device and a method for treating VOCs waste gas, wherein a heat dissipation plate is arranged between active carbon plates, and a liquid nitrogen delivery mechanism and a liquid nitrogen discharge pipe orifice are matched, so that liquid nitrogen is rapidly distributed to each position of the active carbon plates, thereby performing cooling treatment on the active carbon plates, and preventing the active carbon plates from burning.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: the VOCs waste gas treatment device comprises a control box, a fan assembly, a purification integrated machine, a temperature sensor, an electromagnetic valve and a supporting assembly, wherein the control box is used for automatically controlling the fan assembly, the purification integrated machine, the temperature sensor and the electromagnetic valve;
the purification all-in-one machine comprises a shell, active carbon plates, a heat dissipation plate and a liquid nitrogen conveying mechanism, wherein the temperature sensor is arranged on the side wall of the shell, a plurality of groups of active carbon plates which are symmetrically arranged are arranged in the shell, the heat dissipation plates are symmetrically arranged between the two groups of active carbon plates, the liquid nitrogen conveying mechanism is arranged between the two groups of heat dissipation plates, and the liquid nitrogen conveying mechanism is connected with the electromagnetic valve;
the heat dissipation plate is provided with a main frame groove, the main frame groove is composed of four groups of Chinese character 'tian' shaped grooves, liquid nitrogen output pipe orifices are arranged at the intersection positions of the main frame grooves, the liquid nitrogen output pipe orifices are communicated with a liquid nitrogen conveying mechanism, and an elastic sealing assembly is arranged at the liquid nitrogen output pipe orifices.
The further improvement is that: the center position department of every group rectangular channel on the main frame groove all is equipped with the hexagon and leads to the groove, multiunit the hexagon leads to transversely be equipped with multiunit first dispersion groove between groove and the main frame groove, multiunit the hexagon leads to the groove and is equipped with multiunit second dispersion groove vertically between groove and the main frame groove.
The further improvement is that: the liquid nitrogen conveying mechanism comprises a liquid nitrogen input pipe, a liquid nitrogen conveying pipe group and connecting pipes, the shape of the liquid nitrogen conveying pipe group is the same as that of the main frame groove, the quantity of the liquid nitrogen conveying pipe group is the same as that of the activated carbon plates, a plurality of liquid nitrogen conveying pipe groups are communicated through the connecting pipes, one liquid nitrogen conveying pipe group is connected with the liquid nitrogen input pipe, and the liquid nitrogen input pipe penetrates through the shell through the electromagnetic valve and is communicated with an external liquid nitrogen source.
The further improvement is that: the elastic sealing assembly comprises a mounting seat, a moving rod, a limiting plate, a spring and a sealing cover, wherein the mounting seat is arranged in the liquid nitrogen output pipe opening, the mounting seat penetrates through the moving rod, the outer end of the moving rod is fixedly connected with the sealing cover, the inner end of the moving rod is fixedly connected with the limiting plate, and the spring is sleeved on the moving rod between the limiting plate and the mounting seat.
The further improvement is that: the mounting seat comprises a mounting ring and a fixing rod, the moving rod is connected with the mounting ring in a sliding mode, the fixing rods are symmetrically arranged on the side wall of the mounting ring, and the fixing rod is fixedly connected with the inner wall of the liquid nitrogen output pipe orifice.
The further improvement is that: the diameter of the sealing cover is larger than the inner diameter of the liquid nitrogen output pipe orifice, and the diameter of the sealing cover is smaller than the outer diameter of the liquid nitrogen output pipe orifice.
The further improvement is that: the fan assembly comprises a first fan and a second fan, one ends of the first fan and the second fan are communicated with the purification integrated machine, and the other ends of the first fan and the second fan are communicated with the waste gas discharge pipe.
The further improvement is that: the support assembly comprises a transverse plate, a longitudinal plate, a connecting arm, a mounting block and a support frame, wherein the mounting blocks are arranged at the bottoms of the first fan, the second fan and the purification integrated machine, the transverse plate is respectively connected with the plurality of groups of mounting blocks through the connecting arm, the longitudinal plate is welded on one side of the transverse plate, and the support frame for supporting the pipeline is arranged on the transverse plate and the longitudinal plate.
The further improvement is that: the support frame includes support column and arc seat, the upper end of support column is fixed with the arc seat, the arc seat supports the pipeline.
By adopting the VOCs waste gas treatment device, the treatment method comprises the following steps of;
s1, conveying waste gas into the purification integrated machine through a waste gas input pipe, and treating the waste gas through a plurality of groups of active carbon plates;
s2, monitoring the temperature inside the purification all-in-one machine through a temperature sensor, and when the temperature inside the purification all-in-one machine is too high, controlling an electromagnetic valve to be opened by a control panel inside a control box, closing a first fan and a second fan at the same time, and controlling the purification all-in-one machine not to perform purification work;
s3, opening the electromagnetic valve, conveying liquid nitrogen into the purifying integrated machine through the liquid nitrogen input pipe, pushing the sealing cover to move along with the increase of the pressure inside the pipeline after the liquid nitrogen is filled into the liquid nitrogen conveying pipe group, so that the liquid nitrogen is discharged from the liquid nitrogen output pipe orifice, and then gasifying the liquid nitrogen, and quickly entering the activated carbon plate through the first dispersing groove, the second dispersing groove and the hexagonal through groove, so that the activated carbon plate is cooled;
s4, monitoring the temperature inside the purification all-in-one machine through a temperature sensor, and when the temperature inside the purification all-in-one machine is reduced to a certain value, controlling the electromagnetic valve to be closed by a control panel inside the control box, and simultaneously opening the first fan and the second fan to continue the waste gas purification work.
The beneficial effects of the invention are as follows: according to the invention, the heat dissipation plates are arranged between the active carbon plates, and then the liquid nitrogen conveying mechanism and the liquid nitrogen discharging pipe orifice are matched, so that liquid nitrogen is rapidly distributed to all positions of the active carbon plates, the active carbon plates are cooled, the active carbon plates are prevented from burning, the working safety of the purification integrated machine is ensured, meanwhile, the heat dissipation plates are provided with the plurality of groups of first heat dissipation grooves, second heat dissipation grooves and hexagonal through grooves, the heat dissipation efficiency of the active carbon plates is further improved, and meanwhile, when the device is installed, the heat dissipation efficiency of the active carbon plates is improved, the heat dissipation plates are welded through the plurality of groups of transverse plates, and then the transverse plates are matched with the installation blocks, so that the transverse plates are connected with the first fan, the second fan and the purification integrated machine, and then the longitudinal plates and the support frames are additionally welded according to requirements, so that the pipeline is supported, and the device is convenient in installation.
Drawings
Fig. 1 is a schematic view of the assembly of the present invention.
FIG. 2 is a schematic view of the structure of the inside of the purification all-in-one machine of the present invention.
FIG. 3 is a schematic view showing the structure of the heat radiating plate and the liquid nitrogen transporting mechanism of the present invention.
FIG. 4 is a schematic view of a liquid nitrogen delivery mechanism of the present invention.
Fig. 5 is a schematic view of the structure of the elastic sealing assembly of the present invention.
Fig. 6 is a control frame diagram of the control box of the present invention.
Wherein: 1. a control box; 2. the purifying integrated machine; 3. a temperature sensor; 4. an electromagnetic valve; 5. an exhaust gas input pipe; 6. an exhaust gas discharge pipe; 7. a housing; 8. an activated carbon plate; 9. a heat dissipation plate; 10. a main frame groove; 11. a liquid nitrogen output pipe orifice; 12. hexagonal through grooves; 13. a first flow dispersion groove; 14. a second dispersion groove; 15. a liquid nitrogen input pipe; 16. a liquid nitrogen delivery tube group; 17. a connecting pipe; 18. a mounting base; 19. a moving rod; 20. a limiting plate; 21. a spring; 22. sealing cover; 23. an elastic sealing assembly; 24. a mounting ring; 25. a fixed rod; 26. a first fan; 27. a second fan; 28. a cross plate; 29. a longitudinal plate; 30. a connecting arm; 31. a mounting block; 32. a support frame; 33. a support column; 34. arc-shaped base.
Detailed Description
The present invention will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
According to fig. 1, 2, 3, 4, 5 and 6, this embodiment provides a VOCs exhaust gas treatment device, which comprises a control box 1, a fan assembly, a purification integrated machine 2, a temperature sensor 3, an electromagnetic valve 4 and a support assembly, wherein the control box 1 is used for automatically controlling the fan assembly, the purification integrated machine 2, the temperature sensor 3 and the electromagnetic valve 4, one end of the purification integrated machine 2 is provided with an exhaust gas input pipe 5, the fan assembly is provided with an exhaust gas discharge pipe 6, the purification integrated machine 2 and the fan assembly are connected through a pipeline, the support assembly is used for supporting the pipeline, exhaust gas enters the purification integrated machine 2 through the input pipe, the purification integrated machine 2 is used for purifying the exhaust gas, and the purified exhaust gas is discharged from the exhaust gas discharge pipe 6 through the fan assembly;
the purification all-in-one machine 2 comprises a shell 7, active carbon plates 8, a heat dissipation plate 9 and a liquid nitrogen conveying mechanism, wherein the temperature sensor 3 is arranged on the side wall of the shell 7, a plurality of groups of active carbon plates 8 which are symmetrically arranged are arranged in the shell 7, the heat dissipation plates 9 are symmetrically arranged between the two groups of active carbon plates 8, the liquid nitrogen conveying mechanism is arranged between the two groups of heat dissipation plates 9 and is connected with a solenoid valve 4 door, waste gas is purified through the arrangement of the plurality of groups of active carbon plates 8, meanwhile, the heat dissipation plate 9 is used for heat conduction, liquid nitrogen is sent into the shell 7 through the liquid nitrogen conveying mechanism, and the effect of cooling the inside of the shell 7 and the active carbon plates 8 is achieved through the principle that the liquid nitrogen absorbs heat when being converted into nitrogen;
be equipped with main frame groove 10 on the heating panel 9, main frame groove 10 comprises four groups of field word grooves, the intersection point position department of main frame groove 10 all is equipped with liquid nitrogen output mouth of pipe 11, liquid nitrogen output mouth of pipe 11 and liquid nitrogen conveying mechanism intercommunication, liquid nitrogen output mouth of pipe 11 department is equipped with elastic sealing component 23, through multiunit liquid nitrogen output mouth of pipe 11 and main frame groove 10 to increased liquid nitrogen distribution face, and then accelerated the cooling rate.
The center position department of every group rectangular channel on the main frame groove 10 all is equipped with hexagon and leads to groove 12, multiunit the hexagon is led to and is transversely equipped with multiunit first diffusion groove 13 between groove 12 and the main frame groove 10, multiunit the hexagon is led to and is vertically equipped with multiunit second diffusion groove 14 between groove 12 and the main frame groove 10, through the setting in first diffusion groove 13, second diffusion groove 14 and hexagon logical groove 12, makes things convenient for the quick flow of nitrogen gas, and then the cooling rate of the activated carbon plate 8 of acceleration has further increased the cooling effect of this device.
The liquid nitrogen conveying mechanism comprises a liquid nitrogen input pipe 15, a liquid nitrogen conveying pipe group 16 and a connecting pipe 17, the shape of the liquid nitrogen conveying pipe group 16 is the same as that of the main frame groove 10, the quantity on the liquid nitrogen conveying pipe group 16 is the quantity of activated carbon plates 8, a plurality of groups of liquid nitrogen conveying pipe groups 16 are communicated through the connecting pipe 17, one group of liquid nitrogen conveying pipe groups 16 are connected with the liquid nitrogen input pipe 15, the liquid nitrogen input pipe 15 passes through a shell 7 through an electromagnetic valve 4 to be communicated with an external liquid nitrogen source, the liquid nitrogen conveying mechanism comprises the liquid nitrogen input pipe 15, the liquid nitrogen conveying pipe group 16 and the connecting pipe 17 which are all made of heat-resistant materials, and the liquid nitrogen conveying pipe group 16 is communicated through the connecting pipe 17, so that liquid nitrogen can be conveyed to various positions rapidly and flows out through the liquid nitrogen output pipe orifice 11, the synchronous cooling of the plurality of groups of activated carbon plates 8 is facilitated, and the cooling rate of the shell 7 is further accelerated.
The elastic sealing assembly 23 comprises a mounting seat 18, a moving rod 19, a limiting plate 20, a spring 21 and a sealing cover 22, wherein the mounting seat 18 is arranged in the liquid nitrogen output pipe orifice 11, the moving rod 19 penetrates through the mounting seat 18, the outer end of the moving rod 19 is fixedly connected with the sealing cover 22, the inner end of the moving rod 19 is fixedly connected with the limiting plate 20, the spring 21 is sleeved on the moving rod 19 between the limiting plate 20 and the mounting seat 18, and the sealing cover 22 is driven to seal the liquid nitrogen output pipe orifice 11 through elastic potential energy of the spring 21, so that liquid nitrogen can fully flow into each liquid nitrogen delivery pipe orifice 16, meanwhile, the sealing cover 22 is pushed to move along with the increase of the pressure in the pipe orifice, the spring 21 is contracted, each liquid nitrogen output pipe orifice 11 flows out of the liquid nitrogen, normal operation of each liquid nitrogen output pipe orifice 11 is guaranteed, meanwhile, the elastic coefficient of the spring 21 in the structure is not excessively large, the sealing cover 22 is conveniently opened, and the elastic coefficient is not smaller, so that the sealing effect of the sealing cover 22 is guaranteed.
The mounting seat 18 comprises a mounting ring 24 and a fixing rod 25, the moving rod 19 is slidably connected with the mounting ring 24, the fixing rod 25 is symmetrically arranged on the side wall of the mounting ring 24, the fixing rod 25 is fixedly connected with the inner wall of the liquid nitrogen output pipe orifice 11, and the moving rod 19 is supported through the mounting ring 24 and the fixing rod 25.
The diameter of the sealing cover 22 is larger than the inner diameter of the liquid nitrogen output pipe orifice 11, and the diameter of the sealing cover 22 is smaller than the outer diameter of the liquid nitrogen output pipe orifice 11.
The fan assembly comprises a first fan 26 and a second fan 27, one ends of the first fan 26 and the second fan 27 are communicated with the purification integrated machine 2, the other ends of the first fan 26 and the second fan 27 are communicated with the waste gas discharge pipe 6, and waste gas after being purified in the purification integrated machine 2 is discharged through the operation of the first fan 26 and the second fan 27, and the two groups of fans are arranged to enable the waste gas to be discharged faster.
The utility model provides a clean-up integrated machine, including the support assembly, the support assembly includes diaphragm 28, vertical board 29, linking arm 30, installation piece 31 and support frame 32, the bottom of first fan 26, second fan 27 and clean-up integrated machine 2 all is equipped with installation piece 31, diaphragm 28 is connected with multiunit installation piece 31 respectively through linking arm 30, the welding of one side of diaphragm 28 has vertical board 29, all be equipped with the support frame 32 that supports the pipeline on diaphragm 28 and the vertical board 29, the setting through linking arm 30 and connecting block is convenient to fix diaphragm 28, and the length accessible welding extension of diaphragm 28 simultaneously, and the position of vertical board 29 then can be welded through actual installation demand, makes this device comparatively convenient when actual installation.
The support frame 32 includes support column 33 and arc seat 34, the upper end of support column 33 is fixed with arc seat 34, arc seat 34 supports the pipeline, supports the pipeline outer wall through arc seat 34 and support column 33 to guarantee the stability of pipeline installation.
By adopting the VOCs waste gas treatment device, the treatment method comprises the following steps of;
s1, conveying waste gas into the purification integrated machine 2 through a waste gas input pipe 5, and treating the waste gas through a plurality of groups of activated carbon plates 8;
s2, monitoring the temperature inside the purification integrated machine 2 through a temperature sensor 3, when the temperature inside the purification integrated machine 2 is too high, controlling the electromagnetic valve 4 to be opened by a control panel inside the control box 1, closing the first fan 26 and the second fan 27 at the same time, and controlling the purification integrated machine 2 not to perform purification work;
s3, opening the electromagnetic valve 4, conveying liquid nitrogen into the purification all-in-one machine 2 through the liquid nitrogen input pipe 15, pushing the sealing cover 22 to move along with the increase of the pressure in the pipeline after the liquid nitrogen is filled into the liquid nitrogen conveying pipe group 16, so that the liquid nitrogen is discharged from the liquid nitrogen output pipe orifice 11, and then gasifying the liquid nitrogen, and quickly entering the activated carbon plate 8 through the first dispersing groove 13, the second dispersing groove 14 and the hexagonal through groove 12, so that the activated carbon plate 8 is subjected to cooling treatment;
s4, monitoring the temperature inside the purification all-in-one machine 2 through the temperature sensor 3, and when the temperature inside the purification all-in-one machine 2 is reduced to a certain value, controlling the electromagnetic valve 4 to be closed by the control panel inside the control box 1, and simultaneously opening the first fan 26 and the second fan 27, so that the purification all-in-one machine 2 continues to perform waste gas purification.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. VOCs exhaust treatment device, its characterized in that: the automatic control device comprises a control box (1), a fan assembly, a purification integrated machine (2), a temperature sensor (3), an electromagnetic valve (4) and a supporting assembly, wherein the control box (1) is used for automatically controlling the fan assembly, the purification integrated machine (2), the temperature sensor (3) and the electromagnetic valve (4), one end of the purification integrated machine (2) is provided with an exhaust gas input pipe (5), the fan assembly is provided with an exhaust gas discharge pipe (6), the purification integrated machine (2) and the fan assembly are connected through a pipeline, and the supporting assembly is used for supporting the pipeline;
the purifying integrated machine (2) comprises a shell (7), active carbon plates (8), radiating plates (9) and a liquid nitrogen conveying mechanism, wherein the temperature sensor (3) is arranged on the side wall of the shell (7), a plurality of groups of active carbon plates (8) which are symmetrically arranged are arranged in the shell (7), the radiating plates (9) are symmetrically arranged between the two groups of active carbon plates (8), the liquid nitrogen conveying mechanism is arranged between the two groups of radiating plates (9), and the liquid nitrogen conveying mechanism is connected with a door of the electromagnetic valve (4);
the heat dissipation plate (9) is provided with a main frame groove (10), the main frame groove (10) is formed by four groups of Chinese character 'tian' shaped grooves, liquid nitrogen output pipe orifices (11) are arranged at the intersection positions of the main frame groove (10), the liquid nitrogen output pipe orifices (11) are communicated with a liquid nitrogen conveying mechanism, and an elastic sealing assembly (23) is arranged at the liquid nitrogen output pipe orifices (11);
a hexagonal through groove (12) is arranged at the central position of each group of rectangular grooves on the main frame groove (10), a plurality of groups of first dispersing grooves (13) are transversely arranged between the hexagonal through grooves (12) and the main frame groove (10), and a plurality of groups of second dispersing grooves (14) are vertically arranged between the hexagonal through grooves (12) and the main frame groove (10);
the elastic sealing assembly (23) comprises a mounting seat (18), a moving rod (19), a limiting plate (20), a spring (21) and a sealing cover (22), wherein the mounting seat (18) is arranged in the liquid nitrogen output pipe orifice (11), the moving rod (19) penetrates through the mounting seat (18), the outer end of the moving rod (19) is fixedly connected with the sealing cover (22), the inner end of the moving rod (19) is fixedly connected with the limiting plate (20), and the spring (21) is sleeved on the moving rod (19) between the limiting plate (20) and the mounting seat (18);
the liquid nitrogen conveying mechanism comprises a liquid nitrogen input pipe (15), a liquid nitrogen conveying pipe group (16) and a connecting pipe (17), the shape of the liquid nitrogen conveying pipe group (16) is identical to that of the main frame groove (10), the number of the liquid nitrogen conveying pipe groups (16) is half of that of the activated carbon plates (8), a plurality of groups of liquid nitrogen conveying pipe groups (16) are communicated through the connecting pipe (17), a group of liquid nitrogen conveying pipe groups (16) are connected with the liquid nitrogen input pipe (15), and the liquid nitrogen input pipe (15) penetrates through the shell (7) through the electromagnetic valve (4) to be communicated with an external liquid nitrogen source.
2. The VOCs exhaust gas treatment device according to claim 1, wherein: the mounting seat (18) comprises a mounting ring (24) and a fixing rod (25), the moving rod (19) is connected with the mounting ring (24) in a sliding mode, the fixing rod (25) is symmetrically arranged on the side wall of the mounting ring (24), and the fixing rod (25) is fixedly connected with the inner wall of the liquid nitrogen output pipe orifice (11).
3. The VOCs exhaust gas treatment device according to claim 1, wherein: the diameter of the sealing cover (22) is larger than the inner diameter of the liquid nitrogen output pipe orifice (11), and the diameter of the sealing cover (22) is smaller than the outer diameter of the liquid nitrogen output pipe orifice (11).
4. The VOCs exhaust gas treatment device according to claim 1, wherein: the fan assembly comprises a first fan (26) and a second fan (27), one ends of the first fan (26) and the second fan (27) are communicated with the purification integrated machine (2), and the other ends of the first fan (26) and the second fan (27) are communicated with the waste gas discharge pipe (6).
5. The VOCs exhaust gas treatment device according to claim 4, wherein: the support assembly comprises a transverse plate (28), a longitudinal plate (29), a connecting arm (30), mounting blocks (31) and a support frame (32), wherein the mounting blocks (31) are arranged at the bottoms of the first fan (26), the second fan (27) and the purification integrated machine (2), the transverse plate (28) is respectively connected with the plurality of groups of mounting blocks (31) through the connecting arm (30), the longitudinal plate (29) is welded on one side of the transverse plate (28), and the support frame (32) for supporting a pipeline is arranged on the transverse plate (28) and the longitudinal plate (29).
6. The VOCs exhaust gas treatment device according to claim 5, wherein: the support frame (32) comprises a support column (33) and an arc-shaped seat (34), wherein the arc-shaped seat (34) is fixed at the upper end of the support column (33), and the arc-shaped seat (34) supports the pipeline.
7. A method of treating exhaust gas of a VOCs exhaust gas treatment apparatus according to claim 6, characterized in that the treatment method comprises the steps of;
s1, conveying waste gas into the purification integrated machine (2) through a waste gas input pipe (5), and treating the waste gas through a plurality of groups of activated carbon plates (8);
s2, monitoring the temperature inside the purification integrated machine (2) through a temperature sensor (3), when the temperature inside the purification integrated machine (2) is too high, controlling an electromagnetic valve (4) to be opened by a control panel inside a control box (1), closing a first fan (26) and a second fan (27) at the same time, and controlling the purification integrated machine (2) not to perform purification work;
s3, opening an electromagnetic valve (4), conveying liquid nitrogen into the purifying integrated machine (2) through a liquid nitrogen input pipe (15), pushing a sealing cover (22) to move along with the increase of the pressure in the pipeline after the liquid nitrogen is filled into a liquid nitrogen conveying pipe group (16), so that the liquid nitrogen is discharged from a liquid nitrogen output pipe orifice (11), and then gasifying the liquid nitrogen, and quickly entering an active carbon plate (8) through a first dispersing groove (13), a second dispersing groove (14) and a hexagonal through groove (12), so that the active carbon plate (8) is cooled;
s4, monitoring the temperature inside the purification all-in-one machine (2) through the temperature sensor (3), and when the temperature inside the purification all-in-one machine (2) is reduced to a certain value, controlling the electromagnetic valve (4) to be closed by the control panel inside the control box (1), and simultaneously opening the first fan (26) and the second fan (27), so that the purification all-in-one machine (2) continues to perform waste gas purification.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205127664U (en) * | 2015-09-08 | 2016-04-06 | 江苏三中奇铭环保设备有限公司 | Fire -retardant system of nitrogen gas |
| CN106039925A (en) * | 2016-07-12 | 2016-10-26 | 中国石油化工股份有限公司 | Cooling device and method for adsorption tank in oil and gas recovery |
| CN210171144U (en) * | 2019-06-05 | 2020-03-24 | 江苏航天惠利特环保科技有限公司 | Oil gas adsorption tank |
| CN218924241U (en) * | 2022-12-27 | 2023-04-28 | 广东凯特净环保工程有限公司 | Coating line exhaust gas purification processing system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205127664U (en) * | 2015-09-08 | 2016-04-06 | 江苏三中奇铭环保设备有限公司 | Fire -retardant system of nitrogen gas |
| CN106039925A (en) * | 2016-07-12 | 2016-10-26 | 中国石油化工股份有限公司 | Cooling device and method for adsorption tank in oil and gas recovery |
| CN210171144U (en) * | 2019-06-05 | 2020-03-24 | 江苏航天惠利特环保科技有限公司 | Oil gas adsorption tank |
| CN218924241U (en) * | 2022-12-27 | 2023-04-28 | 广东凯特净环保工程有限公司 | Coating line exhaust gas purification processing system |
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