CN112107940A - Intermittent organic waste gas collecting and treating integrated equipment - Google Patents
Intermittent organic waste gas collecting and treating integrated equipment Download PDFInfo
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- CN112107940A CN112107940A CN202010834027.6A CN202010834027A CN112107940A CN 112107940 A CN112107940 A CN 112107940A CN 202010834027 A CN202010834027 A CN 202010834027A CN 112107940 A CN112107940 A CN 112107940A
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- 239000007789 gas Substances 0.000 title claims abstract description 101
- 239000010815 organic waste Substances 0.000 title claims abstract description 88
- 238000001179 sorption measurement Methods 0.000 claims abstract description 118
- 238000003795 desorption Methods 0.000 claims abstract description 39
- 238000000746 purification Methods 0.000 claims abstract description 39
- 230000003197 catalytic effect Effects 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000006555 catalytic reaction Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000002912 waste gas Substances 0.000 abstract description 2
- 239000004519 grease Substances 0.000 description 17
- 239000013618 particulate matter Substances 0.000 description 15
- 239000003973 paint Substances 0.000 description 13
- 239000003595 mist Substances 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000012855 volatile organic compound Substances 0.000 description 6
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- 230000000694 effects Effects 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
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- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to the field of waste gas treatment, in particular to an intermittent organic waste gas collecting and treating integrated device, which comprises a pretreatment filter, an adsorption purification box, a catalytic burner, a chimney for discharging organic waste gas and an air volume control system for controlling the air volume of the organic waste gas; the adsorption purification box is respectively provided with an adsorption air inlet, an adsorption air outlet, a desorption air inlet and a desorption air outlet; the catalytic combustor and the adsorption purifying box form a circulation loop through a desorption air inlet and a desorption air outlet; the pretreatment filter is arranged at the adsorption air inlet of the adsorption purification box and communicated with the adsorption air inlet, and the adsorption air outlet of the adsorption purification box is communicated with the chimney; the air volume control system is respectively connected with the adsorption air inlet and the adsorption air outlet, and the intermittent organic waste gas collection and treatment integrated equipment disclosed by the invention can be used for preventing resource waste by detecting the pressure difference between the adsorption air inlet and the adsorption air outlet and adjusting the air volume according to the pressure difference.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to an intermittent organic waste gas collecting and treating integrated device.
Background
With the rapid development of economy in China, the brought environmental problems are becoming more serious day by day, with the call of the chairman, the requirement of the nation for environmental management is increasing year by year in recent years, particularly in the aspect of VOCs management, the frequency of each place and each industry is getting a new standard, the VOCs engineering management of each industry is continuously strengthened, and the emission standard is more and more strict.
In many industrial enterprises, organic waste gas discharged from some enterprises or production processes is intermittent, such as 4S shop painting process, product pilot-scale laboratory and chemical pharmaceutical process, and the intermittent organic waste gas has the characteristics of large concentration fluctuation and large air volume fluctuation.
At present, when an enterprise in the industry processes organic waste gas discharged intermittently, a front-end collection system can directly collect the organic waste gas by adopting the maximum air volume, but the operation can cause the waste of running energy consumption of a fan, and the fan with high power can be applied for a long time to accelerate the damage of the fan.
Therefore, it is necessary to provide an integrated device for collecting and treating organic waste gas in batch mode to solve the above problems.
Disclosure of Invention
In order to overcome at least one defect (deficiency) in the prior art, the invention provides the intermittent organic waste gas collecting and treating integrated equipment which can adjust the fan according to the concentration or air volume of the organic waste gas.
In order to solve the technical problems, the technical scheme of the invention is as follows: an intermittent organic waste gas collecting and treating integrated device comprises a pretreatment filter, an adsorption purification box, a catalytic combustor, a chimney for discharging organic waste gas and an air volume control system for controlling the air volume of the organic waste gas;
the adsorption purification box is respectively provided with an adsorption air inlet, an adsorption air outlet, a desorption air inlet and a desorption air outlet;
the catalytic combustor and the adsorption purifying box form a circulation loop through a desorption air inlet and a desorption air outlet;
the pretreatment filter is arranged at the position of an adsorption air inlet of the adsorption purification box and communicated with the adsorption air inlet, and an adsorption air outlet of the adsorption purification box is communicated with the chimney;
air volume control system is connected with the absorption air inlet respectively and adsorbs the gas vent, be connected with the absorption air inlet respectively and adsorb the gas vent through with air volume control system, air volume control system can detect the pressure differential between the business turn over tolerance between absorption air inlet and the absorption gas vent, the part of pressure differential disappearance is particulate matter, grease or coating cloud, because particulate matter, grease or coating cloud are adsorbed, consequently, there is pressure differential between the organic waste gas of business turn over, and air volume control system is according to the size of pressure differential, can learn particulate matter in the organic waste gas, how much of content such as grease or coating cloud, therefore, the organic waste gas of intermittent type discharges, through air volume control system's setting, can rationally control the amount of wind of organic waste gas input, avoid the waste that the resource caused, also can play the guard action to the fan.
Furthermore, the air volume control system comprises a differential pressure transmitter, a main control fan and an air volume regulating valve; one end of the differential pressure transmitter is respectively connected with the adsorption air inlet and the adsorption air outlet, and the other end of the differential pressure transmitter is connected with the air volume regulating valve;
air regulation valve sets up on main control fan, contrast the pressure differential between to adsorbing air inlet and the absorption gas vent through pressure differential transmitter, can learn particulate matter among the organic waste gas that the preliminary treatment filter filtered, how much of grease or coating cloud, when organic waste gas intermittent type formula is discharged, pressure differential transmitter can in time feed back information to air regulation valve, air regulation valve control main control fan adjusts the size of the amount of wind, through such feedback mode, can adjust main control fan's wind-force output according to actual conditions, when avoiding the energy extravagant, also avoid main control fan to lead to damaging under long-time and high power's operation, play the effect of protection.
Furthermore, the differential pressure transmitter comprises a first differential pressure detection end, a second differential pressure detection end and a differential pressure comparison chip;
the first pressure difference detection end is connected with the adsorption air inlet, and the second pressure difference detection end is connected with the adsorption air outlet;
one end of the pressure difference comparison chip is connected with the first pressure difference detection end and the second pressure difference detection end respectively, the other end of the pressure difference comparison chip is connected with the air volume regulating valve, the pressure difference transmitter detects the pressure difference between the adsorption air inlet and the adsorption air outlet through the first pressure difference detection end and the second pressure difference detection end respectively, the detection result is transmitted to the air volume regulating valve after being compared by the pressure difference comparison chip, and the air volume regulating valve controls the air intake volume of the main control fan according to the instruction of the pressure difference comparison chip, so that the purpose of intelligent regulation is achieved.
Furthermore, the copper sheet is inlayed to the main control fan inboard, through inlaying at the inboard of main control fan and establishing the copper sheet, can strengthen the security of main control fan equipment in inflammable and explosive environment, avoids main control fan to produce the spark and lead to the main control fan to damage in the operation process.
Furthermore, the pretreatment filter comprises a metal frame, filter cotton and a pressure difference alarm;
a clamping groove is formed in the adsorption air inlet of the adsorption purification box, a clamping strip is arranged at the edge of the metal frame, and the metal frame is clamped on the clamping groove of the adsorption air inlet through the clamping strip;
the filter pulp sets up in metal crate, the pressure differential alarm sets up in filter pulp and metal crate handing-over department, through the pressure differential alarm who sets up in filter pulp and metal crate handing-over department, after filter pulp adsorbs organic waste gas for a long time, particulate matter among the organic waste gas, grease or coating cloud are adsorbed in filter pulp, lead to filter pulp's content grow, at this moment, filter pulp resistance grow each other, when the pressure differential alarm detects the resistance between the filter pulp and reaches the setting value, the pressure differential alarm can send the warning, remind the staff to change filter pulp.
Furthermore, the filter cotton is made of fiber non-woven fabric or aluminum composite material, and in practical application, the filter cotton can be made of other materials, which are within the protection scope of the present invention.
Furthermore, the adsorption purification box comprises an adsorption purification box body and a molecular filter sieve;
the molecular filter sieve is arranged in the adsorption purification box body;
the adsorption air inlet, adsorb the gas vent, desorption air inlet and desorption gas vent are linked together with the molecular filter sieve respectively, through setting up the molecular filter sieve at the adsorption purification case originally internally, when letting in organic waste gas from the adsorption air inlet, the molecular filter sieve adsorbs the particulate matter in the organic waste gas, can play the adsorption to organic waste gas, and when the desorption air inlet lets in the high temperature air current of desorption, the adsorbed particulate matter desorption of molecular filter sieve, and discharge by the desorption gas vent together along with high temperature air current, particulate matter (VOCs) concentration ratio in the desorption back gas is the concentration of particulate matter (VOCs) in the organic waste gas before not filtering is high tens times, be convenient for follow-up step is unified the processing to the gas after desorption.
Furthermore, the device also comprises an air equalizer, wherein the air equalizer is arranged at the bottom of the molecular filter sieve, and the air equalizer is arranged at the bottom of the molecular filter sieve, so that the air equalizer can exert certain driving force on the organic waste gas filtered by the pretreatment filter, the adsorption effect is enhanced, and the molecular filter sieve can conveniently screen out particulate matters or solute molecules in the organic waste gas, wherein the air equalizer can be replaced by other fans, the action and the principle of the air equalizer are the same, and the air equalizer is within the protection range of the invention.
Further, the catalytic combustor comprises a catalytic combustor body, a heat exchanger, an electric heater, a combustion chamber, an air inlet connected with the desorption exhaust port and an air outlet connected with the desorption air inlet;
the air inlet and the air outlet are respectively arranged on the catalytic combustor body;
the heat exchanger is obliquely arranged at the bottom of the catalytic combustor body;
the catalytic layer is arranged at the top of the catalytic combustor body;
the electric heater and the combustion chamber are respectively arranged between the catalysis layer and the heat exchanger, organic waste gas introduced from the air inlet sequentially passes through the heat exchanger, the electric heater and the catalysis layer, is discharged from the air outlet after being catalytically combusted in the combustion chamber, the organic waste gas passes through the electric heater and the catalysis layer after being preheated by the heat exchanger, reaches the temperature of flameless combustion, carbon dioxide and water vapor generated by combustion are discharged from the air outlet of the catalytic combustor, and the temperature generated by combustion is absorbed and collected by the heat exchanger.
Furthermore, the heat exchanger is made of plate-type honeycomb ceramics, and in practical application, the heat exchanger can be made of other materials, which are within the protection scope of the present invention.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
(1) the invention discloses an intermittent organic waste gas collecting and treating integrated device, wherein an air volume control system is respectively connected with an adsorption air inlet and an adsorption air outlet, the air volume control system can detect the pressure difference between the air volume flowing in and out between the adsorption air inlet and the adsorption air outlet, the part with the pressure difference loss is particulate matter, grease or paint mist, the particulate matter, grease or paint mist is adsorbed, so the pressure difference exists between the organic waste gas flowing in and out, and the air volume control system can know the content of the particulate matter, grease or paint mist and the like in the organic waste gas according to the pressure difference, so the intermittent organic waste gas is discharged, the air volume input by the organic waste gas can be reasonably controlled through the arrangement of the air volume control system, the waste caused by resources is avoided, and the air blower can also be protected.
(2) The invention discloses intermittent organic waste gas collecting and treating integrated equipment, which can obtain the amount of particulate matters, grease or paint mist in organic waste gas filtered by a pretreatment filter by comparing the pressure difference between an air inlet pipeline and an exhaust pipeline through a pressure difference transmitter.
(3) According to the intermittent organic waste gas collecting and treating integrated equipment disclosed by the invention, the pressure difference alarm is arranged at the joint of the filter cotton and the metal frame, when the filter cotton adsorbs organic waste gas for a long time, particulate matters, grease or paint mist in the organic waste gas are adsorbed in the filter cotton, so that the content of the filter cotton is increased, at the moment, the resistance among the filter cotton is increased, and when the pressure difference alarm detects that the resistance among the filter cotton reaches a set value, the pressure difference alarm can give an alarm to remind a worker to replace the filter cotton.
Drawings
FIG. 1 is a schematic structural diagram of an integrated batch-type organic waste gas collecting and treating device according to the present invention.
FIG. 2 is a schematic structural diagram of the intermittent organic waste gas collecting and treating integrated equipment of the present invention with the adsorption purification box disassembled.
Fig. 3 is a schematic structural view of an air volume control system according to the present invention.
FIG. 4 is a schematic view of the pretreatment filter of the present invention.
FIG. 5 is a schematic view showing the structure of the adsorption purification cassette of the present invention.
Fig. 6 is a schematic view of the internal structure of the catalytic combustor in the present invention.
Fig. 7 is a sectional view of the catalytic combustor of the present invention.
In the figure, 1 is a pretreatment filter, 2 is an adsorption purification box, 3 is a catalytic burner, 4 is a chimney, 5 is an air volume control system, 6 is an adsorption air inlet, 7 is an adsorption air outlet, 8 is a desorption air inlet, 9 is a desorption air outlet, 10 is a pressure difference transmitter, 11 is a main control fan, 12 is an air volume regulating valve, 13 is a first pressure difference detection end, 14 is a second pressure difference detection end, 15 is a pressure difference comparison chip, 16 is a metal frame, 17 is filter cotton, 18 is a pressure difference alarm, 19 is a clamping groove, 20 is a clamping strip, 21 is an adsorption purification box body, 22 is a molecular filter sieve, 23 is a catalytic burner body, 24 is a heat exchanger, 25 is an electric heater, 26 is a combustion chamber, 27 is an air inlet, 28 is an air outlet, and 29 is a catalytic layer.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, an intermittent organic waste gas collecting and treating integrated device comprises a pretreatment filter 1, an adsorption purification box 2, a catalytic burner 3, a chimney 4 for discharging organic waste gas, and an air volume control system 5 for controlling the air volume of the organic waste gas; the adsorption purification box 2 is respectively provided with an adsorption air inlet 6, an adsorption air outlet 7, a desorption air inlet 8 and a desorption air outlet 9; the catalytic combustor 3 forms a circulation loop with the adsorption purification box 2 through a desorption air inlet 8 and a desorption air outlet 9; the pretreatment filter 1 is arranged at an adsorption air inlet 6 of the adsorption purification box 2 and communicated with the adsorption air inlet 6, and an adsorption air outlet 7 of the adsorption purification box 2 is communicated with the chimney 4; the air volume control system 5 is respectively connected with the adsorption air inlet 6 and the adsorption air outlet 7, the air volume control system 5 can detect the pressure difference between the air inlet and the air outlet between the adsorption air inlet 6 and the adsorption air outlet 7, the part lacking in the pressure difference is particulate matter, grease or paint mist, the particulate matter, the grease or the paint mist is adsorbed, so the pressure difference exists between the organic waste gas in and out, and the air volume control system 5 can know the content of the particulate matter, the grease or the paint mist and the like in the organic waste gas according to the pressure difference, so the intermittent organic waste gas is discharged, the air volume input by the organic waste gas can be reasonably controlled through the arrangement of the air volume control system 5, the waste caused by resources is avoided, and the fan can also.
As shown in fig. 3, the air volume control system 5 includes a differential pressure transmitter 10, a main control fan 11 and an air volume adjusting valve 12; one end of the differential pressure transmitter 10 is respectively connected with the adsorption air inlet 6 and the adsorption air outlet 7, and the other end is connected with the air volume adjusting valve 12; the air volume adjusting valve 12 is arranged on the main control fan 11, the quantity of particulate matters, grease or paint mist in the organic waste gas filtered by the pretreatment filter can be known by comparing the pressure difference between the adsorption air inlet 6 and the adsorption air outlet 7 through the pressure difference transmitter 10, when the organic waste gas is intermittently discharged, the pressure difference transmitter 10 can timely feed back information to the air volume adjusting valve 12, the air volume adjusting valve 12 controls the main control fan 11 to adjust the air volume, and through the feedback mode, the wind power output of the main control fan 11 can be adjusted according to actual conditions, energy waste is avoided, meanwhile, the main control fan 11 is prevented from being damaged under long-time and high-power operation, and the protection effect is achieved, wherein the pressure difference transmitter 10 comprises a first pressure difference detecting end 13, a second pressure difference detecting end 14 and a pressure difference comparison chip 15; the first pressure difference detection end 13 is connected with the adsorption air inlet 6, and the second pressure difference detection end 14 is connected with the adsorption air outlet 7; one end of a pressure difference comparison chip 15 is respectively connected with a first pressure difference detection end 13 and a second pressure difference detection end 14, the other end is connected with an air volume regulating valve 12, a pressure difference transmitter 10 respectively detects the pressure difference between an adsorption air inlet 6 and an adsorption air outlet 7 through the first pressure difference detection end 13 and the second pressure difference detection end 14, the detected result is compared by the pressure difference comparison chip 15 and then is transmitted to the air volume regulating valve 12, the air volume regulating valve 12 controls the air intake volume of a main control fan 11 according to the instruction of the pressure difference comparison chip 15, and the purpose of intelligent regulation is realized, in practical application, a copper sheet is embedded inside the main control fan 11, and by embedding the copper sheet inside the main control fan 11, the safety of the main control fan 11 in the flammable and explosive environment can be enhanced, and the main control fan 11 is prevented from being damaged due to sparks generated in the operation process of the main control fan 11.
As shown in fig. 4, the pretreatment filter 1 includes a metal frame 16, filter cloths 17, and a differential pressure alarm 18; a clamping groove 19 is formed in the position of an adsorption air inlet 6 of the adsorption purification box 2, a clamping strip 20 is arranged at the edge of the metal frame 16, and the metal frame 16 is clamped on the clamping groove 19 of the adsorption air inlet through the clamping strip 20; the filter cotton 17 is arranged in the metal frame 16, the pressure difference alarm 18 is arranged at the joint of the filter cotton 17 and the metal frame 16, and through the pressure difference alarm 18 arranged at the joint of the filter cotton 17 and the metal frame 16, when the filter cotton 17 adsorbs organic waste gas for a long time, particulate matters, grease or paint mist in the organic waste gas are adsorbed in the filter cotton 17, so that the content of the filter cotton 17 is increased, at the moment, the resistance among the filter cotton 17 is increased, and when the pressure difference alarm 18 detects that the resistance among the filter cotton 17 reaches a set value, the pressure difference alarm 18 gives an alarm to remind a worker to replace the filter cotton 17, wherein the filter cotton 17 is made of fiber non-woven fabrics or aluminum composite materials, and in practical application, the filter cotton 17 can also be made of other materials, which are within the protection range of the invention.
As shown in fig. 5, the adsorption purification tank 2 includes an adsorption purification tank body 21 and a molecular filter sieve 22; the molecular filter sieve 22 is arranged in the adsorption purification box body 21; the adsorption air inlet 6, the adsorption air outlet 7, the desorption air inlet 8 and the desorption air outlet 9 are respectively communicated with the molecular filter sieve 22, the molecular filter sieve 22 is arranged in the adsorption purification box body 21, when organic waste gas is introduced from the adsorption air inlet 6, the molecular filter sieve 22 adsorbs particles in the organic waste gas, so that the adsorption effect on the organic waste gas can be achieved, when desorbed high-temperature air flow is introduced into the desorption air inlet, the particles adsorbed by the molecular filter sieve 22 are desorbed and are discharged from the desorption air outlet 9 along with the high-temperature air flow, the concentration of the particles (VOCs) in the desorbed gas is dozens of times higher than that of the particles (VOCs) in the organic waste gas before filtration, so that the desorbed gas can be uniformly treated in the subsequent steps, in addition, the air equalizer is also arranged at the bottom of the molecular filter sieve 22, and is arranged at the bottom of the molecular filter sieve 22, the air equalizer can apply a certain driving force to the organic waste gas filtered by the pretreatment filter 1, so as to enhance the adsorption effect and facilitate the molecular filter sieve 22 to sieve out particulate matters or solute molecules in the organic waste gas, wherein the air equalizer can also be replaced by other fans, the action and the principle of the air equalizer are the same, and the air equalizer is within the protection scope of the invention.
As shown in fig. 6 to 7, the catalytic combustor 3 includes a catalytic combustor body 23, a heat exchanger 24, an electric heater 25, a combustion chamber 26, an air inlet 27 connected to the desorption exhaust port 9, and an air outlet 28 connected to the desorption air inlet 8; the air inlet 27 and the air outlet 28 are respectively arranged on the catalytic combustor body 23; the heat exchanger 24 is obliquely arranged at the bottom of the catalytic combustor body 23; the catalytic layer 29 is arranged at the top of the catalytic combustor body 23; the electric heater 25 and the combustion chamber 26 are respectively arranged between the catalyst layer 29 and the heat exchanger 24, the organic waste gas introduced from the air inlet 27 sequentially passes through the heat exchanger 24, the electric heater 25 and the catalyst layer 29, and is discharged from the air outlet 28 after being catalytically combusted in the combustion chamber 26, the organic waste gas passes through the electric heater 25 and the catalyst layer 29 after being preheated by the heat exchanger 24 to reach the temperature of flameless combustion, carbon dioxide and water vapor generated by combustion are discharged from the air outlet 28 of the catalytic combustor, and the temperature generated by combustion is absorbed and collected by the heat exchanger 24.
Example one
In this embodiment, when the 4S shop is in the process of painting automobiles, because organic solvent or paint is used, some organic substances volatilize along with the use process, so that the concentration of organic waste gas in the painting booth increases, but after painting is completed, the concentration of organic waste gas in the painting booth begins to decrease along with the passage of time, and therefore, the organic waste gas intermittently discharged in the painting booth of the 4S shop has the characteristics of large concentration fluctuation and large air volume fluctuation.
In order to solve the defects of the prior art, according to the intermittent organic waste gas collecting and treating integrated equipment disclosed by the invention, when the spraying operation does not occur in the 4S shop spraying room, the pressure difference between the adsorption air inlet and the adsorption air outlet is not large, so that the main control fan rotates slowly, when the spraying operation is started in the 4S shop spraying room, the particulate matters, the grease or the paint mist are adsorbed, so that the pressure difference exists between the organic waste gas entering and exiting from the adsorption air inlet and the adsorption air outlet, and the air volume control system can know the content of the particulate matters, the grease or the paint mist and the like in the organic waste gas according to the pressure difference, so that the main control fan is controlled in an accelerated manner according to the pressure difference, and at the moment, the organic waste gas in the 4S shop spraying room is.
After the organic waste gas is filtered by the pretreatment filter, the organic waste gas without other large impurities can be ensured to enter the adsorption purification box, the adsorption purification box filters and adsorbs the organic waste gas, when the adsorption value reaches a set value, the adsorption purification box stops adsorbing, at the moment, only high-temperature gas needs to be introduced into the adsorption purification box, the adsorbed substances can be desorbed, the desorbed gas is decomposed into carbon dioxide and water vapor through the combustion of the catalytic combustor and is discharged, the heat is retained by the heat exchanger for reasonable utilization, the discharged carbon dioxide and water vapor can be led into the adsorption purification box again to realize desorption operation, the invention can reasonably control the air quantity input by the organic waste gas through the arrangement of the air quantity control system, avoids the waste caused by resources and also can protect the fan.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an intermittent type formula organic waste gas collects handles integration equipment, includes pretreatment filter, adsorbs purifying box, catalytic combustor and is used for discharging organic waste gas's chimney, its characterized in that: the device also comprises an air volume control system for controlling the air volume of the organic waste gas;
the adsorption purification box is respectively provided with an adsorption air inlet, an adsorption air outlet, a desorption air inlet and a desorption air outlet;
the catalytic combustor and the adsorption purifying box form a circulation loop through a desorption air inlet and a desorption air outlet;
the pretreatment filter is arranged at the adsorption air inlet of the adsorption purification box and communicated with the adsorption air inlet, and the adsorption air outlet of the adsorption purification box is communicated with the chimney;
and the air volume control system is respectively connected with the adsorption air inlet and the adsorption air outlet.
2. The integrated batch type organic waste gas collecting and treating device according to claim 1, wherein: the air volume control system comprises a differential pressure transmitter, a main control fan and an air volume regulating valve;
one end of the differential pressure transmitter is respectively connected with the adsorption air inlet and the adsorption air outlet, and the other end of the differential pressure transmitter is connected with the air volume regulating valve;
the air volume adjusting valve is arranged on the main control fan.
3. The integrated batch type organic waste gas collecting and treating device according to claim 2, characterized in that: the differential pressure transmitter comprises a first differential pressure detection end, a second differential pressure detection end and a differential pressure comparison chip;
the first pressure difference detection end is connected with the adsorption air inlet, and the second pressure difference detection end is connected with the adsorption air outlet;
one end of the differential pressure comparison chip is respectively connected with the first differential pressure detection end and the second differential pressure detection end, and the other end of the differential pressure comparison chip is connected with the air volume adjusting valve.
4. The integrated batch type organic waste gas collecting and treating device according to claim 2, characterized in that: the copper sheet is inlayed to master control fan inboard.
5. The integrated batch type organic waste gas collecting and treating device according to claim 1, wherein: the pretreatment filter comprises a metal frame, filter cotton and a pressure difference alarm;
a clamping groove is formed in the adsorption air inlet of the adsorption purification box, a clamping strip is arranged at the edge of the metal frame, and the metal frame is clamped on the clamping groove of the adsorption air inlet through the clamping strip;
the filter cotton is arranged in the metal frame, and the pressure difference alarm is arranged at the joint of the filter cotton and the metal frame.
6. The integrated batch type organic waste gas collecting and treating device according to claim 5, wherein: the filter cotton is made of fiber non-woven fabrics or aluminum composite materials.
7. The integrated batch type organic waste gas collecting and treating device according to claim 1, wherein: the adsorption purification box comprises an adsorption purification box body and a molecular filter sieve;
the molecular filter sieve is arranged in the adsorption purification box body;
the adsorption air inlet, the adsorption exhaust port, the desorption air inlet and the desorption exhaust port are respectively communicated with the molecular filter sieve.
8. The integrated batch type organic waste gas collecting and treating device according to claim 7, characterized in that: the air-balancing device is arranged at the bottom of the molecular filter sieve.
9. The integrated batch type organic waste gas collecting and treating device according to claim 1, wherein: the catalytic combustor comprises a catalytic combustor body, a heat exchanger, an electric heater, a combustion chamber, an air inlet connected with a desorption exhaust port and an air outlet connected with a desorption air inlet;
the air inlet and the air outlet are respectively arranged on the catalytic combustor body;
the heat exchanger is obliquely arranged at the bottom of the catalytic combustor body;
the catalytic layer is arranged at the top of the catalytic combustor body;
the electric heater and the combustion chamber are respectively arranged between the catalysis layer and the heat exchanger, and the organic waste gas introduced from the air inlet sequentially passes through the heat exchanger, the electric heater and the catalysis layer, is catalytically combusted in the combustion chamber, and is discharged from the air outlet.
10. The integrated batch type organic waste gas collecting and treating device according to claim 9, wherein: the heat exchanger is plate-type honeycomb ceramic.
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| CN202010834027.6A CN112107940A (en) | 2020-08-18 | 2020-08-18 | Intermittent organic waste gas collecting and treating integrated equipment |
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| CN202010834027.6A CN112107940A (en) | 2020-08-18 | 2020-08-18 | Intermittent organic waste gas collecting and treating integrated equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843959A (en) * | 2020-12-30 | 2021-05-28 | 苏州碧清源环保技术有限公司 | Intelligent waste gas treatment equipment |
| CN113134280A (en) * | 2021-03-24 | 2021-07-20 | 安徽节源环保科技有限公司 | Energy-saving equipment and method for treating industrial odor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322623A (en) * | 2013-07-12 | 2013-09-25 | 关玉园 | Air cleaning device |
| CN103424334A (en) * | 2012-05-24 | 2013-12-04 | 上海海事大学 | Oil mist concentration measurement device and method based on micro-differential pressure measurement |
| CN105772309A (en) * | 2016-04-17 | 2016-07-20 | 湖南省中众环保涂装设备有限公司 | Environment-friendly spraying chamber operation monitoring and control system and monitoring and control method thereof |
| CN107126784A (en) * | 2017-06-15 | 2017-09-05 | 共享铸钢有限公司 | Synergistic and energy-saving formula automatic dust removal control system |
| CN207286649U (en) * | 2017-09-22 | 2018-05-01 | 浙江机电职业技术学院 | A kind of mahjong machine for possessing air-cleaning function |
| CN107998763A (en) * | 2017-12-30 | 2018-05-08 | 江苏永益环保科技有限公司 | Paint spray booth's organic waste gas treatment system |
| CN108826323A (en) * | 2018-06-13 | 2018-11-16 | 江苏诺伊拓环保工程有限公司 | A kind of catalysis burning waste gas processing system for medium and small air quantity |
| CN208526198U (en) * | 2018-07-04 | 2019-02-22 | 广州点蓝环保设备有限公司 | A kind of 4 S auto shop cleaning equipment for waste organic gas |
| CN209333458U (en) * | 2018-10-22 | 2019-09-03 | 天津泷涛环境科技有限公司 | A kind of VOCs exhaust treatment system |
| CN212369788U (en) * | 2020-08-18 | 2021-01-19 | 广州华科环保工程有限公司 | Intermittent organic waste gas collecting and treating integrated equipment |
-
2020
- 2020-08-18 CN CN202010834027.6A patent/CN112107940A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424334A (en) * | 2012-05-24 | 2013-12-04 | 上海海事大学 | Oil mist concentration measurement device and method based on micro-differential pressure measurement |
| CN103322623A (en) * | 2013-07-12 | 2013-09-25 | 关玉园 | Air cleaning device |
| CN105772309A (en) * | 2016-04-17 | 2016-07-20 | 湖南省中众环保涂装设备有限公司 | Environment-friendly spraying chamber operation monitoring and control system and monitoring and control method thereof |
| CN107126784A (en) * | 2017-06-15 | 2017-09-05 | 共享铸钢有限公司 | Synergistic and energy-saving formula automatic dust removal control system |
| CN207286649U (en) * | 2017-09-22 | 2018-05-01 | 浙江机电职业技术学院 | A kind of mahjong machine for possessing air-cleaning function |
| CN107998763A (en) * | 2017-12-30 | 2018-05-08 | 江苏永益环保科技有限公司 | Paint spray booth's organic waste gas treatment system |
| CN108826323A (en) * | 2018-06-13 | 2018-11-16 | 江苏诺伊拓环保工程有限公司 | A kind of catalysis burning waste gas processing system for medium and small air quantity |
| CN208526198U (en) * | 2018-07-04 | 2019-02-22 | 广州点蓝环保设备有限公司 | A kind of 4 S auto shop cleaning equipment for waste organic gas |
| CN209333458U (en) * | 2018-10-22 | 2019-09-03 | 天津泷涛环境科技有限公司 | A kind of VOCs exhaust treatment system |
| CN212369788U (en) * | 2020-08-18 | 2021-01-19 | 广州华科环保工程有限公司 | Intermittent organic waste gas collecting and treating integrated equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843959A (en) * | 2020-12-30 | 2021-05-28 | 苏州碧清源环保技术有限公司 | Intelligent waste gas treatment equipment |
| CN113134280A (en) * | 2021-03-24 | 2021-07-20 | 安徽节源环保科技有限公司 | Energy-saving equipment and method for treating industrial odor |
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