CN114432831A - Paint room gas treatment system and method, intelligent terminal and storage medium - Google Patents
Paint room gas treatment system and method, intelligent terminal and storage medium Download PDFInfo
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- CN114432831A CN114432831A CN202011231244.2A CN202011231244A CN114432831A CN 114432831 A CN114432831 A CN 114432831A CN 202011231244 A CN202011231244 A CN 202011231244A CN 114432831 A CN114432831 A CN 114432831A
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- 239000003973 paint Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 165
- 238000001179 sorption measurement Methods 0.000 claims abstract description 105
- 238000001035 drying Methods 0.000 claims abstract description 32
- 238000009833 condensation Methods 0.000 claims abstract description 30
- 230000005494 condensation Effects 0.000 claims abstract description 30
- 239000002912 waste gas Substances 0.000 claims abstract description 26
- 238000002386 leaching Methods 0.000 claims abstract description 23
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 54
- 230000008929 regeneration Effects 0.000 claims description 15
- 238000011069 regeneration method Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000007613 environmental effect Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 238000000746 purification Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The application relates to the technical field of waste gas treatment, in particular to a paint room gas treatment system, a paint room gas treatment method, an intelligent terminal and a storage medium, and the paint room gas treatment system adopts the technical scheme that the paint room gas treatment system comprises a fresh air supplementing device, a leaching tower, a condensation drying device and a first adsorption tower which are sequentially arranged; an air inlet pipe is arranged on the leaching tower, and a first air blower is arranged on the air inlet pipe; an air outlet pipe is arranged between the top end of the leaching tower and the condensation drying device, an air inlet of the first adsorption tower is connected with a first header pipe, the first header pipe is connected with a first input pipe, a connecting pipe is arranged between the condensation drying device and the first input pipe, an air outlet of the first adsorption tower is connected with a first exhaust header pipe, the first exhaust header pipe is connected with a first exhaust pipe, a first exhaust valve is arranged on the first exhaust pipe, and the first exhaust valve is connected with a controller; the connecting pipe is provided with a second air blower, and the first input pipe is provided with a first air inlet valve. Is convenient for achieving the effect of being beneficial to environmental protection.
Description
Technical Field
The application relates to the technical field of waste gas treatment, in particular to a paint room gas treatment system, a paint room gas treatment method, an intelligent terminal and a storage medium.
Background
After the furniture product and the parts thereof are manufactured, the finished product can be obtained through the working procedures of polishing, paint spraying, drying and the like. The paint spraying is carried out in a paint room, and except for the paint sprayed on a workpiece in the paint spraying process, about 20% of paint mist can not be attached and can be dissociated in the air.
In addition, due to different home shapes, manual painting is needed in many times. In order to protect the health of workers, an extraction fan is arranged in a paint room to extract air containing paint.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the paint waste gas in the paint room is directly discharged into the atmosphere, thus easily causing adverse effect on the environment and being not beneficial to environmental protection.
Disclosure of Invention
In order to facilitate achieving the effect of being beneficial to environmental protection, the application provides a paint room gas treatment system, a paint room gas treatment method, an intelligent terminal and storage equipment.
In a first aspect, the application provides a paint room gas treatment system, which adopts the following technical scheme:
a paint room gas treatment system comprises a fresh air supply device, a leaching tower, a condensation drying device and a first adsorption tower which are sequentially arranged and used for supplying air to a paint room;
the leaching tower is provided with an air inlet pipe, the air inlet pipe is provided with a first air blower, and the first air blower is connected with a controller;
an air outlet pipe is arranged between the top end of the leaching tower and the condensation drying device in a color mode, an air inlet of the first adsorption tower is connected with a first main pipe, the first main pipe is connected with a first input pipe, a connecting pipe is arranged between the condensation drying device and the first input pipe, an air outlet of the first adsorption tower is connected with a first exhaust main pipe, the first exhaust main pipe is connected with a first exhaust pipe, a first exhaust valve is arranged on the first exhaust pipe, and the first exhaust valve is connected with a controller;
the connecting pipe is provided with a second air blower, the first input pipe is provided with a first air inlet valve, and the second air blower and the first air inlet valve are both connected with the controller.
Through adopting above-mentioned technical scheme, new trend air supplement unit takes out fresh air to the paint room in, takes out to the drip washing tower through the gas of first air-blower in with the paint room simultaneously in, effectively reduces the suspended particles that contain in the waste gas, and waste gas is after purifying, arranges to the condensation drying device in. After the gas is dehumidified and dried by the condensation drying device, a large amount of organic matters in the air are separated out and collected in a centralized manner, the gas is discharged into the first adsorption tower, and after being adsorbed by the activated carbon in the first adsorption tower, the gas is discharged through the first exhaust main pipe;
waste gas is purified through the leaching tower, the condensation drying device and the first adsorption tower, and the purified gas is discharged, so that the effect of being beneficial to environmental protection is achieved.
Optionally, the first exhaust pipe is connected with an output pipe, the output pipe is connected with a first pipeline and a second pipeline, the output pipe is provided with a gas detector, and the gas detector is connected with the controller;
the first pipeline is provided with a first gas outlet valve, and the first gas outlet valve is connected with the controller; the end, far away from the output pipe, of the second pipeline is connected with the condensation drying device, a second gas outlet valve is arranged on the second pipeline, and the second gas outlet valve is connected with the controller.
Through adopting above-mentioned technical scheme, detect through gas detector to the gas through purification treatment, when the harmful gas concentration that contains in the gas is higher than the setting value, carry out the secondary filtration absorption to gas, when the harmful gas concentration that contains in the gas is less than the setting value, directly with gas outgoing, further be convenient for reach the effect that does benefit to the environmental protection.
Optionally, the adsorption device further comprises a second adsorption tower, wherein a second main pipe is connected to an air inlet of the second adsorption tower, the second main pipe is connected to a second input pipe, the second input pipe is connected to the connecting pipe, and a second air inlet valve connected to the controller is arranged on the second input pipe;
the gas outlet of the second adsorption tower is connected with a second exhaust manifold, the second exhaust manifold is connected with a second exhaust pipe, the second exhaust pipe is connected with an output pipe, and a second exhaust valve connected with the controller is arranged on the second exhaust pipe.
Through adopting above-mentioned technical scheme, after the active carbon adsorption saturation in the first adsorption tower, can adopt the second adsorption tower to purify waste gas and adsorb, be convenient for guarantee gas purification's quality, be convenient for simultaneously improve gas purification's efficiency.
Optionally, the first main pipe is connected with a first extraction pipe, and a regeneration pipe is arranged between the first extraction pipe and the leaching tower; the regeneration pipe is provided with a vacuum pump, and the vacuum pump is connected with the controller; the first air exhaust pipe is provided with a first air exhaust valve, and the first air exhaust valve is connected with the controller;
the second main pipe is connected with a second exhaust pipe, the second exhaust pipe is connected with a regeneration pipe, a second exhaust valve is arranged on the second exhaust pipe, and the second exhaust valve is connected with the controller.
Through adopting above-mentioned technical scheme, after the active carbon adsorption saturation in the adsorption tower, start the vacuum pump, take out through the vacuum pump with the waste gas in this adsorption tower and filter once more and purify in the drip washing tower, simultaneously, when the adsorption tower is in vacuum state, the active carbon in the adsorption tower of being convenient for resumes adsorption performance, when not influencing gas purification treatment's efficiency, is convenient for improve gaseous adsorption quality.
Optionally, the first exhaust manifold is connected with a first communication pipe, the first communication pipe is connected with a conveying pipe for conveying nitrogen, and a first conveying valve connected with the controller is arranged on the first communication pipe;
the second exhaust manifold is connected with a second communicating pipe, the second communicating pipe is connected with the conveying pipe, and a second conveying valve connected with the controller is arranged on the second communicating pipe.
Through adopting above-mentioned technical scheme, the vacuum pump is bled the in-process, releases dry nitrogen gas in to the adsorption tower through the conveyer pipe, because nitrogen gas has increased the atmospheric pressure in the adsorption tower, is convenient for further impress the waste gas in the adsorption tower in the drip washing tower, and the waste gas in the nitrogen gas of being convenient for and the adsorption tower of being convenient for simultaneously replaces, when being convenient for improve the efficiency that active carbon regenerates in the adsorption tower for active carbon regeneration's more thoroughly.
Optionally, the washing tower is connected with a circulating pipe, the circulating pipe is provided with a circulating pump, and the circulating pump is connected with the controller.
Through adopting above-mentioned technical scheme, the setting of circulating pump is convenient for take out the absorption liquid to the adsorption tower top with the bottom of drip washing tower, sprays at the top of the tower and down, effectively reduces the suspended particle that contains in the waste gas, and simultaneously, the absorption liquid recycling of being convenient for further reaches the effect of the environmental protection of being convenient for.
In a second aspect, the application provides a paint room gas treatment method, which adopts the following technical scheme:
a paint room gas treatment method based on a paint room gas treatment system is characterized by comprising the following steps:
acquiring a preset first harmful gas concentration threshold value a;
detecting the concentration of the harmful gas passing through the adsorption tower in real time, and discharging the gas out of the paint room when the concentration detection value of the harmful gas is lower than a first harmful gas concentration threshold value a; when the concentration detection value of the harmful gas is higher than the first harmful gas concentration threshold value a, the gas is discharged into the condensation drying device to be purified again.
Through adopting above-mentioned technical scheme, detect through gas detector to the gas through purification treatment, when the harmful gas concentration that contains in the gas is higher than first harmful gas concentration threshold value an, carry out filtration absorption once more to gas, when the harmful gas concentration that contains in the gas is less than first harmful gas concentration threshold value an, directly discharge gas, further be convenient for reach the effect that does benefit to the environmental protection.
Optionally, the method further includes:
acquiring a preset second harmful gas concentration threshold b, wherein the first harmful gas concentration threshold a is greater than the second harmful gas concentration threshold b;
when the concentration detection value of the harmful gas is higher than a second concentration threshold value b and is smaller than a first concentration threshold value a, switching to another adsorption tower to adsorb the waste gas, and performing regeneration treatment on the activated carbon in the adsorption tower.
Through adopting above-mentioned technical scheme, when the harmful gas concentration that contains in the gas is higher than second harmful gas concentration threshold value b, then show that the active carbon in this adsorption tower adsorbs saturation, need switch to another adsorption tower and adsorb the processing to gas, when guaranteeing the adsorption quality of gas, be convenient for improve gaseous adsorption efficiency.
In a third aspect, the present application provides an intelligent terminal, which adopts the following technical scheme:
an intelligent terminal comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and executed to perform any of the methods, such as the gas treatment method.
By adopting the technical scheme, the corresponding program can be stored and processed, and the effect of being beneficial to environmental protection is conveniently achieved.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer readable storage medium storing a computer program that can be loaded by a processor and executed to perform any of the methods, such as gas treatment methods.
By adopting the technical scheme, the corresponding program can be stored, and the effect of being beneficial to environmental protection is conveniently achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the waste gas is purified by the leaching tower, the condensation drying device and the first adsorption tower, and the purified gas is discharged, so that the effect of being beneficial to environmental protection is achieved;
2. the gas detector is used for detecting the purified gas, when the concentration of harmful gas contained in the gas is higher than a set value, the gas is filtered and adsorbed again, and when the concentration of the harmful gas contained in the gas is lower than the set value, the gas is directly discharged, so that the effect of being beneficial to environmental protection is further achieved;
3. through the setting of second adsorption tower, be convenient for guarantee gas purification's quality, be convenient for improve gas purification's efficiency simultaneously.
Drawings
FIG. 1 is a block flow diagram of a paint room gas treatment system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a paint room gas treatment system according to an embodiment of the present disclosure;
FIG. 3 is a block diagram illustrating a control flow of a gas detector in a paint room gas treatment system according to an embodiment of the present application;
FIG. 4 is a block flow diagram of a paint room gas treatment method according to an embodiment of the present disclosure;
fig. 5 is a flowchart illustrating a paint room gas processing method according to an embodiment of the present application.
Description of reference numerals: 1. a fresh air supply device; 2. leaching the tower; 21. an air inlet pipe; 22. a first blower; 23. a controller; 24. a circulation pipe; 25. a circulation pump; 3. a condensing and drying device; 31. an air outlet pipe; 32. a discharge pipe; 33. a connecting pipe; 4. a first adsorption tower; 41. a first header pipe; 42. a first input pipe; 421. a first intake valve; 43. a second blower; 44. a first exhaust manifold; 45. a first exhaust pipe; 451. a first exhaust valve; 46. an output pipe; 461. a gas detector; 47. a first pipe; 471. a first gas outlet valve; 48. a second pipe; 481. a second gas outlet valve; 49. a first exhaust tube; 491. a regenerating pipe; 492. a vacuum pump; 493. a first extraction valve; 495. a first communication pipe; 496. a delivery pipe; 497. a first delivery valve; 5. a second adsorption column; 51. a second manifold; 52. a second input pipe; 521. a second intake valve; 53. a second exhaust manifold; 54. a second exhaust pipe; 541. a second exhaust valve; 55. a second extraction tube; 551. a second extraction valve; 56. a second communicating pipe; 561. a second delivery valve.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses paint room gas treatment system. Referring to fig. 1, the system comprises a fresh air supply device 1, a leaching tower 2, a condensation drying device 3, a first adsorption tower 4 and a second adsorption tower 5 which are arranged in sequence and used for supplying fresh air to a paint room.
Referring to fig. 1, the fresh air supply device 1 is a suction fan for pumping outside fresh air into the paint room to realize the constant air pressure of the paint room.
Referring to fig. 2 and 3, an air inlet pipe 21 is provided on the leaching tower 2, a first blower 22 is provided on the air inlet pipe 21, the first blower 22 is connected to a controller 23, and specifically, the controller 23 is set as a PLC controller 23. The leaching tower 2 is connected with a circulating pipe 24, one end of the circulating pipe 24 is communicated with the bottom of the leaching tower 2, the other end of the circulating pipe 24 is communicated with the top end of the leaching tower 2, a circulating pump 25 is arranged on the circulating pipe 24, and the circulating pump 25 is connected with the controller 23.
Referring to fig. 1 and 2, fresh air is pumped into the paint room by the fresh air supplementing device 1, and meanwhile, gas in the paint room is pumped into the leaching tower 2 by the first air blower 22, and the waste gas passes through the packing layer and fully contacts with the sodium hydroxide absorption liquid, so that suspended particles contained in the waste gas are effectively reduced, and the waste gas is purified and then is discharged into the condensation drying device 3 after being dewatered and demisted by the demisting plate. The absorption liquid is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally flows back to the tower bottom to be recycled under the action of a circulating pump 25.
Referring to fig. 2, the condensation drying device 3 is configured as a gas condensation dryer for dehumidifying and drying gas, and can separate out a large amount of organic matters in air and collect the organic matters in a centralized manner. An air outlet pipe 31 is arranged between the top end of the leaching tower 2 and the top end of the condensation drying device 3, and a discharge pipe 32 for discharging organic matters is arranged at the bottom end of the condensation drying device 3.
Referring to fig. 2 and 3, the first adsorption tower 4 is configured as an activated carbon adsorption tower, and adopts adsorption activated carbon as an adsorption medium, so that the organic waste gas is filtered and adsorbed by a plurality of adsorption layers, thereby achieving the purpose of purifying the waste gas. The air inlet of the first adsorption tower 4 is connected with a first header pipe 41, the first header pipe 41 is connected with a first input pipe 42, the outlet of the condensation drying device 3 is connected with a connecting pipe 33 connected with the first input pipe 42, a second air blower 43 is arranged on the connecting pipe 33, a first air inlet valve 421 is arranged on the first input pipe 42, and the second air blower 43 and the first air inlet valve 421 are both connected with the controller 23. The gas outlet of the first adsorption tower 4 is connected with a first exhaust manifold 44, the first exhaust manifold 44 is connected with a first exhaust pipe 45, the first exhaust pipe 45 is provided with a first exhaust valve 451, and the first exhaust valve 451 is connected with the controller 23. The first exhaust pipe 45 is connected with an output pipe 46, the output pipe 46 is connected with a first pipeline 47 and a second pipeline 48, a gas detector 461 is arranged on the output pipe 46, specifically, the gas detector 461 is a harmful gas sensor, and the gas detector 461 is connected with the controller 23. One end of the first pipeline 47, which is far away from the output pipe 46, penetrates out of the paint room, and a first air outlet valve 471 is arranged on the first pipeline 47, and the first air outlet valve 471 is connected with the controller 23. One end of the second pipeline 48 far away from the output pipe 46 is communicated with the top end of the condensation drying device 3, a second air outlet valve 481 is arranged on the second pipeline 48, and the second air outlet valve 481 is connected with the controller 23.
Referring to fig. 2 and 3, when the condensed and dried exhaust gas needs to be adsorbed, the first air inlet valve 421 is opened, the condensed and dried exhaust gas is pumped into the first adsorption tower 4 by the second blower 43, and is exhausted through the first exhaust manifold 44 after being adsorbed by the activated carbon in the first adsorption tower 4. Meanwhile, the gas detector 461 detects the harmful gas concentration of the gas in the output pipe 46 in real time, and when the harmful gas concentration is lower than a set value, the controller 23 controls the first gas outlet valve 471 to be opened, the second gas outlet valve 481 to be closed, and the gas is discharged out of the paint room through the first pipeline 47. When the concentration of the harmful gas is higher than the set value, the controller 23 controls the second gas outlet valve 481 to be opened, the first gas outlet valve 471 to be closed, and the gas is discharged to the condensation drying device 3 through the second pipeline 48 to be purified again.
Referring to fig. 2, after the activated carbon adsorption in the first adsorption tower 4 is saturated, the second adsorption tower 5 may be used to purify and adsorb the exhaust gas. The second adsorption tower 5 is set as an activated carbon adsorption tower, and adopts adsorption activated carbon as an adsorption medium, and organic waste gas is filtered and adsorbed through a plurality of layers of adsorption layers, so that the purpose of purifying waste gas is achieved.
Referring to fig. 2 and 3, the second manifold 51 is connected to the air inlet of the second adsorption tower 5, the second input pipe 52 is connected to the second manifold 51, the second input pipe 52 is connected to the connection pipe 33, the second input pipe 52 is provided with a second air inlet valve 521, and the second air inlet valve 521 is connected to the controller 23. The gas outlet of the second adsorption tower 5 is connected with a second exhaust manifold 53, the second exhaust manifold 53 is connected with a second exhaust pipe 54, the second exhaust pipe 54 is connected with the output pipe 46, and a second exhaust valve 541 connected with the controller 23 is arranged on the second exhaust pipe 54.
Referring to fig. 2, when the adsorption of the activated carbon in the first adsorption tower 4 is saturated, the first intake valve 421 is closed, the second intake valve 521 is opened, the first exhaust valve 451 is closed, the second exhaust valve 541 is opened, the activated carbon is pumped into the second adsorption tower 5 by the second blower 43, and the activated carbon is adsorbed in the second adsorption tower 5 and then discharged through the second exhaust manifold 53.
Referring to fig. 2 and 3, the first header pipe 41 is connected to a first suction pipe 49, a regeneration pipe 491 is provided between the first suction pipe 49 and the leaching tower 2, a vacuum pump 492 is provided on the regeneration pipe 491, and the vacuum pump 492 is connected to the controller 23. The first air exhaust pipe 49 is provided with a first air exhaust valve 493, and the first air exhaust valve 493 is connected with the controller 23. A first communication pipe 495 is connected to the first exhaust manifold 44, a feed pipe 496 for feeding nitrogen gas is connected to the first communication pipe 495, and a first feed valve 497 connected to the controller 23 is provided in the first communication pipe 495.
Referring to fig. 2 and 3, after the activated carbon in the first adsorption tower 4 is saturated, and when the second adsorption tower 5 is used to adsorb and purify the exhaust gas, the first air extraction valve 493 is opened, the vacuum pump 492 is started, the exhaust gas in the first adsorption tower 4 is pumped into the elution tower 2 to be purified again under the action of the vacuum pump 492, and meanwhile, the activated carbon in the first adsorption tower 4 is convenient to recover the adsorption performance through a vacuum pumping mode. In the air pumping process of the vacuum pump 492, the first delivery valve 497 is opened, dry nitrogen is released into the first adsorption tower 4 through the delivery pipe 496 and the first exhaust manifold 44, and since the pressure in the first adsorption tower 4 is increased by the nitrogen, the waste gas in the first adsorption tower 4 is further conveniently pressed into the first main pipe 41, and meanwhile, the nitrogen is conveniently replaced with the waste gas in the first adsorption tower 4, so that the regeneration efficiency of the activated carbon in the first adsorption tower 4 is improved, and the regeneration of the activated carbon is more thorough.
Referring to fig. 2 and 3, the second manifold 51 is connected to a second suction pipe 55, the second suction pipe 55 is connected to a regeneration pipe 491, a second suction valve 551 is provided on the second suction pipe 55, and the second suction valve 551 is connected to the controller 23. The second exhaust manifold 53 is connected to a second communication pipe 56, the second communication pipe 56 is connected to the delivery pipe 496, and a second delivery valve 561 connected to the controller 23 is provided in the second communication pipe 56.
Referring to fig. 2, after the activated carbon in the second adsorption tower 5 is saturated, the second adsorption tower 4 can be switched to adsorb and purify the waste gas, so that the adsorption effect and the adsorption efficiency of the waste gas can be improved.
The implementation principle of the paint room gas treatment equipment in the embodiment of the application is as follows:
fresh air make-up device 1 takes out fresh air to the paint room in, takes out the gas in the paint room to drip washing tower 2 through first air-blower 22 simultaneously in, effectively reduces the suspended particles that contain in the waste gas, and waste gas is arranged to condensation drying device 3 in through purifying the back. After the condensation drying device 3 dehumidifies and dries the gas, a large amount of organic matters in the air are separated out and collected in a centralized manner, the gas is discharged into the first adsorption tower 4, and is discharged through the first exhaust manifold 44 after being adsorbed by the activated carbon in the first adsorption tower 4. Meanwhile, the gas detector 461 detects the concentration of the harmful gas in the output pipe 46 in real time, and when the concentration of the harmful gas is lower than a set value, the controller 23 controls the first gas outlet valve 471 to be opened, the second gas outlet valve 481 to be closed, and the gas is discharged out of the paint room through the first pipeline 47. When the concentration of the harmful gas is higher than the set value, the controller 23 controls the second gas outlet valve 481 to be opened, the first gas outlet valve 471 to be closed, and the gas is discharged to the condensation drying device 3 through the second pipeline 48 to be purified again.
When the adsorption of the activated carbon in the first adsorption tower 4 is saturated, the first air inlet valve 421 is closed, the second air inlet valve 521 is opened, the first exhaust valve 451 is closed, the second exhaust valve 541 is opened, the activated carbon is pumped into the second adsorption tower 5 under the action of the second blower 43, and the activated carbon is adsorbed by the activated carbon in the second adsorption tower 5 and then discharged through the second exhaust manifold 53.
The embodiment of the application also discloses a paint room gas treatment method, referring to fig. 4 and 5, including:
s10, acquiring a preset first concentration threshold value a;
s11, detecting the concentration of the harmful gas passing through the adsorption tower in real time, and discharging the gas out of the paint room when the concentration detection value of the harmful gas is lower than a first concentration threshold value a; when the concentration detection value of the harmful gas is higher than the first concentration threshold value a, the gas is discharged into the condensation drying device for purification again.
Further comprising:
s20, acquiring a preset second concentration threshold b, wherein the first concentration threshold a is larger than the second concentration threshold b;
and S21, when the concentration detection value of the harmful gas is higher than the second concentration threshold value b and lower than the first concentration threshold value a, switching to another adsorption tower to adsorb the waste gas, and performing regeneration treatment on the activated carbon in the adsorption tower.
When the concentration detection value of the harmful gas contained in the gas is higher than the second harmful gas concentration threshold value b, it indicates that the adsorption of the activated carbon in the adsorption tower is saturated, and the adsorption tower needs to be switched to another adsorption tower to perform adsorption treatment on the gas, so that the adsorption quality of the gas is ensured, and the adsorption efficiency of the gas is improved.
The embodiment of the application also discloses an intelligent terminal which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the high-concurrency query method.
The embodiment of the present application further discloses a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing the high-concurrency query method, the computer-readable storage medium comprising: u disk, removable hard disk, read only memory, optical disk, etc. various media that can store program code.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A paint room gas treatment system is characterized by comprising a fresh air supplementing device (1), a leaching tower (2), a condensation drying device (3) and a first adsorption tower (4) which are sequentially arranged and used for supplementing air into a paint room;
an air inlet pipe (21) is arranged on the leaching tower (2), a first air blower (22) is arranged on the air inlet pipe (21), and the first air blower (22) is connected with a controller (23);
an air outlet pipe (31) is arranged between the top end of the leaching tower (2) and the condensation drying device (3), an air inlet of the first adsorption tower (4) is connected with a first main pipe (41), the first main pipe (41) is connected with a first input pipe (42), a connecting pipe (33) is arranged between the condensation drying device (3) and the first input pipe (42), an air outlet of the first adsorption tower (4) is connected with a first exhaust main pipe (44), the first exhaust main pipe (44) is connected with a first exhaust pipe (45), a first exhaust valve (451) is arranged on the first exhaust pipe (45), and the first exhaust valve (451) is connected with the controller (23);
the connecting pipe (33) is provided with a second air blower (43), the first input pipe (42) is provided with a first air inlet valve (421), and the second air blower (43) and the first air inlet valve (421) are both connected with the controller (23).
2. The paint booth gas treatment system of claim 1, wherein: the first exhaust pipe (45) is connected with an output pipe (46), the output pipe (46) is connected with a first pipeline (47) and a second pipeline (48), a gas detector (461) is arranged on the output pipe (46), and the gas detector (461) is connected with the controller (23);
a first air outlet valve (471) is arranged on the first pipeline (47), and the first air outlet valve (471) is connected with the controller (23); one end, far away from the output pipe (46), of the second pipeline (48) is connected with the condensation drying device (3), a second air outlet valve (481) is arranged on the second pipeline (48), and the second air outlet valve (481) is connected with the controller (23).
3. The paint booth gas treatment system of claim 1, wherein: the adsorption device is characterized by further comprising a second adsorption tower (5), wherein a second main pipe (51) is connected to an air inlet of the second adsorption tower (5), a second input pipe (52) is connected to the second main pipe (51), the second input pipe (52) is connected with a connecting pipe (33), and a second air inlet valve (521) connected with the controller (23) is arranged on the second input pipe (52);
the gas outlet of the second adsorption tower (5) is connected with a second exhaust manifold (53), the second exhaust manifold (53) is connected with a second exhaust pipe (54), the second exhaust pipe (54) is connected with an output pipe (46), and a second exhaust valve (541) connected with the controller (23) is arranged on the second exhaust pipe (54).
4. The paint booth gas treatment system of claim 3, wherein: the first header pipe (41) is connected with a first air extraction pipe (49), and a regeneration pipe (491) is arranged between the first air extraction pipe (49) and the leaching tower (2); a vacuum pump (492) is arranged on the regeneration pipe (491), and the vacuum pump (492) is connected with a controller (23); a first air suction valve (493) is arranged on the first air suction pipe (49), and the first air suction valve (493) is connected with the controller (23);
the second header pipe (51) is connected with a second air suction pipe (55), the second air suction pipe (55) is connected with a regeneration pipe (491), a second air suction valve (551) is arranged on the second air suction pipe (55), and the second air suction valve (551) is connected with the controller (23).
5. The paint booth gas treatment system of claim 4, wherein: the first exhaust manifold (44) is connected with a first communication pipe (495), the first communication pipe (495) is connected with a conveying pipe (496) used for conveying nitrogen, and a first conveying valve (497) connected with the controller (23) is arranged on the first communication pipe (495);
the second exhaust manifold (53) is connected with a second communicating pipe (56), the second communicating pipe (56) is connected with the conveying pipe (496), and a second conveying valve (561) connected with the controller (23) is arranged on the second communicating pipe (56).
6. The paint booth gas treatment system of claim 1, wherein: the leaching tower (2) is connected with a circulating pipe (24), the circulating pipe (24) is provided with a circulating pump (25), and the circulating pump (25) is connected with a controller (23).
7. A paint room gas processing method based on the paint room gas processing system according to any one of claims 1 to 6, comprising:
acquiring a preset first harmful gas concentration threshold value a;
detecting the concentration of the harmful gas passing through the adsorption tower in real time, and discharging the gas out of the paint room when the concentration detection value of the harmful gas is lower than a first harmful gas concentration threshold value a; when the concentration detection value of the harmful gas is higher than the first harmful gas concentration threshold value a, the gas is discharged into the condensation drying device to be purified again.
8. The paint booth gas treatment method of claim 7, further comprising:
acquiring a preset second harmful gas concentration threshold b, wherein the first harmful gas concentration threshold a is greater than the second harmful gas concentration threshold b;
when the concentration detection value of the harmful gas is higher than a second concentration threshold value b and is smaller than a first concentration threshold value a, switching to another adsorption tower to adsorb the waste gas, and performing regeneration treatment on the activated carbon in the adsorption tower.
9. The utility model provides an intelligent terminal which characterized in that: comprising a memory and a processor, said memory having stored thereon a computer program which can be loaded by the processor and which performs the method of any of claims 7-8.
10. A computer-readable storage medium characterized by: a computer program which can be loaded by a processor and which performs the method according to any of claims 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011231244.2A CN114432831A (en) | 2020-11-06 | 2020-11-06 | Paint room gas treatment system and method, intelligent terminal and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231244.2A CN114432831A (en) | 2020-11-06 | 2020-11-06 | Paint room gas treatment system and method, intelligent terminal and storage medium |
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| CN114432831A true CN114432831A (en) | 2022-05-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107126809A (en) * | 2017-06-15 | 2017-09-05 | 安徽华业香料股份有限公司 | Organic waste gas treatment device and method in a kind of lactones products synthetic perfume production process |
| CN107715581A (en) * | 2017-09-11 | 2018-02-23 | 宁波捷通环保工程有限公司 | A kind of lacquer spraying waste gas processing system |
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