CN113318566A - From portable accent lacquer equipment of taking waste gas to adsorb desorption processing function - Google Patents
From portable accent lacquer equipment of taking waste gas to adsorb desorption processing function Download PDFInfo
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- CN113318566A CN113318566A CN202110685065.4A CN202110685065A CN113318566A CN 113318566 A CN113318566 A CN 113318566A CN 202110685065 A CN202110685065 A CN 202110685065A CN 113318566 A CN113318566 A CN 113318566A
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- waste gas
- paint mixing
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- 238000003795 desorption Methods 0.000 title claims abstract description 68
- 239000002912 waste gas Substances 0.000 title claims abstract description 48
- 239000004922 lacquer Substances 0.000 title claims description 22
- 238000012545 processing Methods 0.000 title claims description 6
- 238000001179 sorption measurement Methods 0.000 claims abstract description 82
- 239000003973 paint Substances 0.000 claims abstract description 66
- 238000002156 mixing Methods 0.000 claims abstract description 62
- 230000008929 regeneration Effects 0.000 claims abstract description 19
- 238000011069 regeneration method Methods 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 238000007865 diluting Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000011045 prefiltration Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 12
- 238000004880 explosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- VGQXTTSVLMQFHM-UHFFFAOYSA-N peroxyacetyl nitrate Chemical compound CC(=O)OO[N+]([O-])=O VGQXTTSVLMQFHM-UHFFFAOYSA-N 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- 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
-
- 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
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/189—Venting, degassing or ventilating of gases, fumes or toxic vapours during mixing
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
本发明提出了一种自带废气吸附脱附处理功能的可移动式调漆设备，包括调漆设备，调漆设备内安装有吸收调漆废气的吸附设备，吸附设备内的进气端与出气端分别与一脱附再生系统的回流管道和抽气管道连接，抽气管道和回流管道之间连接有废气净化组件，废气净化组件包括相连接的一级换热器和二级换热器。本发明提供一种针对室外喷漆作业环境，而设计的调漆、废气吸附、废气脱附以及脱附后废气再生利用或排放的系统设备，在排出废气的同时，输入温湿度适宜的新鲜空气进入到调漆区域内，最大限度保证调漆工人呼吸空气的质量，调漆设备为集装生产，便于托运，与吸附设备可拆卸连接，一套吸附设备可以为多套调漆设备进行废气脱附再生处理，高效节能且环保。
The invention proposes a movable paint mixing device with its own exhaust gas adsorption and desorption treatment function. The ends are respectively connected with the return pipeline and the exhaust pipeline of a desorption regeneration system, and the exhaust gas purification component is connected between the exhaust pipeline and the return pipeline, and the exhaust gas purification component includes a connected primary heat exchanger and a secondary heat exchanger. The invention provides a system equipment for paint adjustment, waste gas adsorption, waste gas desorption, and waste gas regeneration or discharge after desorption, which is designed for the outdoor painting operation environment. In the paint mixing area, the quality of the air that the paint mixing workers can breathe is guaranteed to the greatest extent. The paint mixing equipment is produced in a container, which is convenient for consignment and can be detachably connected with the adsorption equipment. One set of adsorption equipment can desorb the exhaust gas for multiple sets of paint mixing equipment. Recycling, energy efficient and environmentally friendly.
Description
Technical Field
The invention relates to the field of waste gas purification, in particular to a movable paint mixing device with a waste gas adsorption and desorption treatment function.
Background
VOCs, volatile organic Compounds (Volatile organic Compounds), are a class of important gaseous pollutants widely present in the atmosphere, and are defined by the world health organization (WTO, 1989) as various organic Compounds having a boiling point of 50 ℃ to 260 ℃ at ambient temperature. VOCs not only have direct influence on human health, ecological environment and the like, but also can generate secondary pollutants by participating in atmospheric photochemical reaction, such as ozone frequently mentioned by us, peroxyacetyl nitrate, organic aerosol and the like, and is one of important precursors causing air pollution.
For outdoor painting operations with variable operation areas, paint mixing needs to be performed nearby. However, at present, part of paint mixing is outdoor operation, VOCs generated in the paint mixing process directly discharge into the atmosphere, the pollution to the atmospheric environment is serious, and the requirements of volatile organic compound unorganized emission control standards (GB37822-2019) are not met, so that a relatively closed paint mixing room and supporting facilities are needed to meet the requirements of outdoor paint mixing operation.
The paint is flammable and explosive, so the equipment configuration of a paint mixing area is considered according to an explosion-proof area, and the current paint mixing devices in the market lack safety protection measures and have large potential safety hazards. Meanwhile, reasonable air supply and exhaust design and temperature and humidity control are not carried out on a paint mixing operation area, the paint mixing operation environment is poor, and even the paint mixing quality is influenced.
The waste gas treatment modules matched with the existing paint mixing device are all treated by adopting an adsorption method. However, desorption regeneration of the adsorption material is not considered, or the adsorption material can only be desorbed in different positions (namely, the adsorption material needs to be taken out and sent to a desorption device for regeneration and then is refilled), so that the operation is complex, the operation and maintenance workload is large, and the cost is high.
Disclosure of Invention
The invention provides a movable paint mixing device with a waste gas adsorption and desorption treatment function, which solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
the utility model provides a from portable accent lacquer equipment of taking waste gas to adsorb desorption processing function, is including transferring lacquer equipment, transfer and install the adsorption equipment who absorbs the accent lacquer waste gas in the lacquer equipment, the inlet end in the adsorption equipment with give vent to anger the end respectively with a desorption regeneration system's backflow pipeline and air exhaust pipe connection, be connected with the exhaust purification subassembly between air exhaust pipe and the backflow pipeline, the exhaust purification subassembly is including the one-level heat exchanger and the second grade heat exchanger that are connected.
Preferably, the return pipeline comprises a first pipeline, the starting end of the first pipeline is connected with an exhaust pipeline;
the first pipeline is sequentially provided with a hot air recycling valve and a first fresh air diluting valve;
the terminal end of the first pipeline is connected with a fourth interface of the primary heat exchanger;
and the third interface of the primary heat exchanger is connected with the first interface of the secondary heat exchanger.
Preferably, the return pipeline comprises a second pipeline with the starting end connected with the first interface of the primary heat exchanger;
the second pipeline is sequentially provided with a temperature detection controller, a first tee joint and a desorption inlet valve;
and the terminal end of the second pipeline is connected with the air inlet end.
Preferably, the air exhaust pipeline comprises a third pipeline, and the starting end of the third pipeline is connected with the air outlet end;
a desorption outlet valve, a second tee joint, a flame arrester and a second combustible gas detection alarm device are sequentially arranged on the third pipeline;
and the terminal end of the third pipeline is connected with a third interface of the secondary heat exchanger.
Preferably, a communicating pipe is connected between the first tee joint and the second tee joint, and a circulating valve is arranged on the communicating pipe.
Preferably, the second interface of the secondary heat exchanger is sequentially connected with a second fresh air dilution valve, a heating chamber and a catalytic oxidation chamber, and the discharge end of the catalytic oxidation chamber is connected with the second interface of the primary heat exchanger.
Preferably, the first interface of the secondary heat exchanger is communicated with the third interface of the primary heat exchanger, the fourth interface of the secondary heat exchanger is connected with a desorption fan, and the air outlet end of the desorption fan is connected with an exhaust pipeline.
Preferably, the air inlet end and the air outlet end of the adsorption equipment are respectively arranged on two parallel installation walls of the paint mixing equipment, and the adsorption equipment divides the interior of the paint mixing equipment into an adsorption equipment cavity, a paint mixing operation cavity and an equipment cavity on the left side and the right side of the adsorption equipment through two parallel adsorption equipment wall surfaces;
an adsorption bed is clamped between the wall surfaces of the two adsorption devices.
Preferably, an industrial air conditioner, a blower and an exhaust fan are arranged in the equipment cavity;
the air inlet pipe of the industrial air conditioner is arranged on the wall surface of the equipment cavity;
the air inlet of the exhaust fan is arranged on the wall surface of the adsorption equipment close to the equipment cavity;
the air outlet of the exhaust fan is arranged on the wall surface of the equipment cavity;
be close to be provided with the waste gas air inlet on the adsorption equipment wall in transfer lacquer operation chamber, be provided with the prefiltration module on the waste gas air inlet.
Preferably, an air supply pipeline system penetrates through the adsorption equipment, an air outlet of the air supply pipeline system is arranged in the paint mixing operation cavity, and an air inlet of the air supply pipeline system is connected with the air feeder.
Has the advantages that:
the utility model provides a from portable accent lacquer equipment of taking waste gas to adsorb desorption processing function, is including transferring lacquer equipment, transfer and install the adsorption equipment who absorbs the accent lacquer waste gas in the lacquer equipment, the inlet end in the adsorption equipment with give vent to anger the end respectively with a desorption regeneration system's backflow pipeline and air exhaust pipe connection, be connected with the exhaust purification subassembly between air exhaust pipe and the backflow pipeline, the exhaust purification subassembly is including the one-level heat exchanger and the second grade heat exchanger that are connected. The invention provides system equipment for paint mixing, waste gas adsorption, waste gas desorption and waste gas recycling or discharging after desorption, which is designed aiming at the outdoor paint spraying operation environment, and is used for timely collecting and treating waste gas generated in the paint mixing process and preventing the waste gas leakage from damaging the environment. When the waste gas of discharging, the fresh air that the input humiture is suitable enters into and transfers the lacquer regional in, and furthest guarantees to transfer the quality that lacquer workman breathed the air, transfers lacquer equipment for collection dress production, and the consignment of being convenient for can dismantle with adsorption equipment and be connected, and one set of adsorption equipment can carry out waste gas desorption regeneration for many sets of accent lacquer equipment and handle, energy-efficient and environmental protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic top view of the paint mixing apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the paint mixing apparatus according to the present invention;
FIG. 4 is a schematic side view of A-A of FIG. 3 according to the present invention;
fig. 5 is a schematic structural diagram of a desorption regeneration system of the present invention.
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.
As shown in fig. 1-5, a portable paint mixing device 100 with a waste gas adsorption and desorption processing function includes a paint mixing device 100, an adsorption device for absorbing waste gas for paint mixing is installed in the paint mixing device 100, an air inlet end and an air outlet end in the adsorption device are respectively connected with a return pipeline 400 and an air exhaust pipeline 300 of a desorption regeneration system 200, a waste gas purification assembly is connected between the air exhaust pipeline 300 and the return pipeline 400, and the waste gas purification assembly includes a first-stage heat exchanger 202 and a second-stage heat exchanger 211 which are connected.
The return conduit 400 includes a first conduit having a beginning connected to an exhaust conduit 217; the first pipeline is sequentially provided with a hot air recycling valve 218 and a first fresh air diluting valve 201; the terminal end of the first pipeline is connected with a fourth interface of the primary heat exchanger 202; the third port of the primary heat exchanger 202 is connected to the first port of the secondary heat exchanger 211. The return pipeline 400 comprises a second pipeline with the starting end connected with the first interface of the primary heat exchanger 202; the second pipeline is sequentially provided with a temperature detection controller 203, a first tee joint and a desorption inlet valve 204; the terminal end of the second pipeline is connected with the air inlet end. The air exhaust pipeline 300 comprises a third pipeline, and the starting end of the third pipeline is connected with the air outlet end;
a desorption outlet valve 208, a second tee joint, a flame arrester 209 and a second combustible gas detection alarm device 210 are sequentially arranged on the third pipeline; the end of the third pipeline is connected with a third interface of the secondary heat exchanger 211. A communicating pipe is connected between the first tee joint and the second tee joint, and a circulating valve 207 is arranged on the communicating pipe.
The second interface of the secondary heat exchanger 211 is connected with the second fresh air dilution valve 212, the heating chamber 213 and the catalytic oxidation chamber 215 in sequence, and the discharge end of the catalytic oxidation chamber 215 is connected with the second interface of the primary heat exchanger 202.
The first interface of the secondary heat exchanger 211 is communicated with the third interface of the primary heat exchanger 202, the fourth interface of the secondary heat exchanger 211 is connected with a desorption fan, and the air outlet end of the desorption fan is connected with the exhaust pipeline 217.
When the adsorption of the adsorption material in the paint mixing device 100 is saturated, the inlet and outlet of the adsorption bed are respectively connected with the desorption inlet and outlet of the adsorption device. Firstly, the adsorption equipment is started and enters a preheating program, when the temperature of the equipment reaches a set temperature, a desorption inlet and outlet valve of the adsorption equipment is started, and hot air desorption regeneration is carried out on the adsorption material.
The VOCs adsorbed on the surface of the material is thermally desorbed through high-temperature air, and the desorbed VOCs are conveyed to an adsorption device through the hot air to be catalytically oxidized and decomposed into CO2 and H2O. The purified VOCs waste gas is subjected to heat recycling through the first-stage heat exchanger and the second-stage heat exchanger, then is partially discharged through the exhaust funnel, and the other part of the purified VOCs waste gas is circulated to the cold side inlet of the first-stage heat exchanger and returns to the adsorption bed again after being heated to carry out high-temperature desorption. The operation is repeated in a circulating way. Until the VOCs in the adsorption material is completely desorbed.
When the adsorption material in the exhaust gas treatment device is saturated, the inlet and the outlet of the adsorption bed 108 are respectively connected with the desorption outlet interface 206 and the desorption inlet interface 205 of the desorption regeneration system. First, the circulation valve 207 and the hot air recycling valve 218 of the desorption regeneration system are opened, the desorption inlet valve 204 and the desorption outlet valve 208 are closed, the first fresh air dilution valve 201 and the second fresh air dilution valve 212 are closed, the desorption fan 216 and the electric heaters of the heating chamber 213 are opened, and the device enters a preheating program.
At the moment, air is heated slowly in the equipment in a circulating manner, when the temperature of the heating chamber reaches 260-300 ℃, the equipment is preheated, at the moment, the circulating valve 207 is closed, the desorption inlet valve 204 and the desorption outlet valve 208 are opened, and the equipment formally starts to desorb and regenerate the adsorbent. At the moment, hot air in the exhaust funnel enters the cold side of the primary heat exchanger 202 through a hot air recycling pipeline and further rises to a specified desorption temperature (different according to different adsorption materials), then enters the adsorption material bed, VOCs adsorbed in the adsorption materials are desorbed at a high temperature and then are sent to a desorption outlet, the VOCs pass through the flame arrester 209 and then enter the cold side of the secondary heat exchanger for heat exchange and rise, then are sent to a heating chamber, the temperature of waste gas is raised to 260-300 ℃ in the heating chamber, then are sent to a catalytic oxidation chamber, the VOCs are catalytically oxidized into CO2 and H2O under the high temperature condition through a noble metal catalyst, then are sequentially sent to the hot side of the primary heat exchanger 202, the hot side of the secondary heat exchanger 211 for heat recycling, and then are discharged to an exhaust pipeline 217 through a desorption fan 216, and at the moment, part of the hot air enters the hot air recycling pipeline again due to the suction effect of the desorption fan 216. This completes a desorption cycle.
The equipment is provided with temperature detection controllers 203 at a cold side outlet of the primary heat exchanger 202, a cold side inlet of the secondary heat exchanger 211, a heating chamber 213, a catalytic oxidation chamber 215 and a hot side outlet of the secondary heat exchanger 211, and the temperature of each process point of the equipment is ensured to be in a set range by matching with facilities such as a fresh air dilution valve, a heater and the like.
Meanwhile, the device is provided with a combustible gas detection and alarm device 210 on a desorption outlet pipeline, and when the detected VOCs waste gas desorbed exceeds the lower explosion limit of 25%, a corresponding fresh air dilution valve is opened, so that the safe and stable operation of the device is ensured.
The desorption regeneration system is provided with a pressure difference detection instrument 214 on two sides of the catalyst layer of the catalytic oxidation chamber 215, and when the pressure difference detection instrument detects that the pressure difference reaches a set pressure difference alarm value, the desorption regeneration system reminds the catalyst to be cleaned.
The air inlet end and the air outlet end of the adsorption equipment are respectively arranged on two parallel installation walls of the paint mixing equipment 100, and the adsorption equipment divides the interior of the paint mixing equipment 100 into an adsorption equipment cavity, a paint mixing operation cavity and an equipment cavity on the left side and the right side of the adsorption equipment through two parallel adsorption equipment wall surfaces;
an adsorbent bed 108 is held between the walls of the two adsorption apparatus.
An industrial air conditioner 115, a blower 114 and an exhaust fan 110 are arranged in the equipment cavity;
the air inlet pipe of the industrial air conditioner 115 is arranged on the wall surface of the equipment cavity;
the air inlet of the exhaust fan 110 is arranged on the wall surface of the adsorption equipment close to the equipment cavity;
the exhaust outlet 119 of the exhaust fan 110 is arranged on the wall surface of the equipment cavity;
be provided with the waste gas air inlet on the adsorption equipment wall near paint mixing operation chamber, be provided with on the waste gas air inlet and filter module 107 in advance.
An air supply pipeline system 106 penetrates through the adsorption equipment, an air outlet of the air supply pipeline system 106 is arranged in the paint mixing operation cavity, and an air inlet of the air supply pipeline system 106 is connected with an air blower 114.
Example 1
Prolong the long limit direction of device in the device and be provided with in order and transfer lacquer operation region, waste gas adsorption zone territory and equipment area, waste gas adsorption zone territory is including filtering and absorbent prefiltration structure and adsorption structure in advance to transferring the lacquer operation region in waste gas.
And a paint spraying pump connecting pipe sleeve 104 is arranged on the side wall of the paint mixing operation area. The movable paint mixing device paint mixing operation area is provided with a series of safety protection measures such as a first combustible gas detection alarm device 112, a non-ignition ground 102 of the paint mixing operation area, an explosion-proof lamp 105, an explosion venting port 113, a fire-proof valve 121 and the like according to the requirements of the explosion-proof area, so that the safety of the operation area is ensured. A transparent glass window 117 is arranged on the side wall of the paint mixing operation area, and a fire extinguisher 116 is arranged in the equipment area.
The whole equipment shell consists of a paint mixing device structure frame 101 and wall heat insulation cotton 103. And an air supply and exhaust system is arranged in the paint mixing operation area. The industrial air conditioner 115 in the equipment area adjusts the environment of the equipment area to a specified temperature and humidity as required, and then the air in the space of the equipment area is conveyed to the paint mixing operation area through the air supply pipeline system 106 by the air supply machine 114.
A fire damper 121 is provided in the air supply pipe system 106 to prevent backfire. The paint mixing operation area is the area without the ground 102, so that the sparks generated by metal friction and collision can be prevented. Meanwhile, the area is also provided with an explosion venting port 113, so that when the paint mixing operation area is subjected to explosion, pressure can be relieved in time, and the accident loss is prevented from being enlarged. The paint mixing operation area is provided with a combustible gas detection and alarm device, and when the concentration of combustible gas in the detected area exceeds 25% of the explosion lower limit concentration, an audible and visual alarm is given out. And reminding the operator to take corresponding measures.
The area illumination employs an explosion-proof lamp 105. The exhaust air in the paint mixing operation area firstly passes through the pre-filtering module 107 through the exhaust fan 110 to filter out dust particles in the exhaust air, then enters the adsorption bed, and VOCs in the exhaust air are adsorbed and removed to reach the standard and then are discharged. The desorption regeneration interface 109 can be connected to the desorption regeneration system for in-situ desorption regeneration after the adsorption material of the adsorption bed is saturated. The desorption regeneration interface 109 and the longitude area are provided with an adsorption bed access door 118, and the whole equipment is automatically controlled through a device control electric box 111 so as to maintain proper temperature and humidity in the paint mixing operation area and guarantee the operation conditions in the area. The device can be integrally hoisted and moved through the lifting lugs 122.
The device control operation panel 120 is provided in the equipment area, the device control electrical box 111 is connected, and the device control electrical box 111 is connected to each drive equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a from portable accent lacquer equipment of taking waste gas to adsorb desorption processing function, is including transferring lacquer equipment, its characterized in that, transfer and install the adsorption equipment who absorbs the accent lacquer waste gas in the lacquer equipment, inlet end in the adsorption equipment with give vent to anger the end respectively with a desorption regeneration system's backflow pipeline and bleed-off line connection, be connected with the exhaust purification subassembly between bleed-off pipeline and the backflow pipeline, the exhaust purification subassembly is including the one-level heat exchanger and the second grade heat exchanger that are connected.
2. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function as claimed in claim 1, wherein the return pipeline comprises a first pipeline, the starting end of the first pipeline is connected with an exhaust pipeline;
the first pipeline is sequentially provided with a hot air recycling valve and a first fresh air diluting valve;
the terminal end of the first pipeline is connected with a fourth interface of the primary heat exchanger;
and the third interface of the primary heat exchanger is connected with the first interface of the secondary heat exchanger.
3. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function according to claim 1, wherein the return pipeline comprises a second pipeline, the starting end of the second pipeline is connected with the first connector of the primary heat exchanger;
the second pipeline is sequentially provided with a temperature detection controller, a first tee joint and a desorption inlet valve;
and the terminal end of the second pipeline is connected with the air inlet end.
4. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function as claimed in claim 1, wherein the air exhaust pipeline comprises a third pipeline, and the starting end of the third pipeline is connected with the air outlet end;
a desorption outlet valve, a second tee joint, a flame arrester and a second combustible gas detection alarm device are sequentially arranged on the third pipeline;
and the terminal end of the third pipeline is connected with a third interface of the secondary heat exchanger.
5. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function according to claim 4, wherein a communicating pipe is connected between the first tee joint and the second tee joint, and a circulating valve is arranged on the communicating pipe.
6. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function according to claim 1, wherein a second interface of the secondary heat exchanger is sequentially connected with a second fresh air dilution valve, a heating chamber and a catalytic oxidation chamber, and a discharge end of the catalytic oxidation chamber is connected with a second interface of the primary heat exchanger.
7. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function according to claim 1, wherein a first interface of the secondary heat exchanger is communicated with a third interface of the primary heat exchanger, a fourth interface of the secondary heat exchanger is connected with a desorption fan, and an air outlet end of the desorption fan is connected with an exhaust pipeline.
8. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function according to claim 1, wherein the air inlet end and the air outlet end of the adsorption equipment are respectively arranged on two parallel installation walls of the paint mixing equipment, and the adsorption equipment divides the interior of the paint mixing equipment into an adsorption equipment cavity, a paint mixing operation cavity and an equipment cavity on the left side and the right side of the adsorption equipment through two parallel adsorption equipment wall surfaces;
an adsorption bed is clamped between the wall surfaces of the two adsorption devices.
9. The movable paint mixing equipment with the waste gas adsorption and desorption treatment function is characterized in that an industrial air conditioner, a blower and an exhaust fan are installed in the equipment cavity;
the air inlet pipe of the industrial air conditioner is arranged on the wall surface of the equipment cavity;
the air inlet of the exhaust fan is arranged on the wall surface of the adsorption equipment close to the equipment cavity;
the air outlet of the exhaust fan is arranged on the wall surface of the equipment cavity;
be close to be provided with the waste gas air inlet on the adsorption equipment wall in transfer lacquer operation chamber, be provided with the prefiltration module on the waste gas air inlet.
10. The mobile paint mixing equipment with waste gas adsorption and desorption treatment functions as claimed in claim 9, wherein a blast pipeline system penetrates through the adsorption equipment, an air outlet of the blast pipeline system is arranged in the paint mixing operation cavity, and an air inlet of the blast pipeline system is connected with the blower.
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| CN202110685065.4A CN113318566B (en) | 2021-06-21 | 2021-06-21 | A mobile paint mixing equipment with exhaust gas adsorption and desorption treatment function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110685065.4A CN113318566B (en) | 2021-06-21 | 2021-06-21 | A mobile paint mixing equipment with exhaust gas adsorption and desorption treatment function |
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| CN113318566A true CN113318566A (en) | 2021-08-31 |
| CN113318566B CN113318566B (en) | 2025-02-11 |
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| CN113318566B (en) | 2025-02-11 |
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