CN110694602A - Adsorbing material desorption regeneration system - Google Patents
Adsorbing material desorption regeneration system Download PDFInfo
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- CN110694602A CN110694602A CN201911021931.9A CN201911021931A CN110694602A CN 110694602 A CN110694602 A CN 110694602A CN 201911021931 A CN201911021931 A CN 201911021931A CN 110694602 A CN110694602 A CN 110694602A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 moving adsorbents, e.g. rotating beds
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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
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- 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
Abstract
The invention discloses an adsorption material desorption and regeneration system which comprises a desorption section box body and a purification section box body which are integrally connected, wherein the desorption section box body and the purification section box body are communicated with each other in an air flow circulation manner through a purification section box body inlet and a purification section box body outlet; adsorbing materials to be desorbed are filled in a channel between the inlet of the purifying section box body and the outlet of the purifying section box body in the desorption section box body; the purification section box body is provided with a heat exchanger, a catalytic combustion area and a heating area which are communicated with each other, and a waste heat utilization circulation passage between desorption gas and catalytic combustion high-temperature gas is formed. The invention adopts the design of an integrated machine, has compact structure, high purification efficiency, low energy consumption and low operation cost, can be widely applied to desorption and purification of various adsorption equipment and adsorption materials, is convenient and quick to maintain, and has wide application value.
Description
Technical Field
The invention belongs to the field of industrial waste gas purification, and particularly relates to an adsorption material desorption and regeneration system.
Background
At present, the waste gas of paint spraying and baking in automobile maintenance shops is treated by technologies such as activated carbon adsorption, photocatalysis or low-temperature plasma, but the technologies have certain defects. The activated carbon adsorption method has high purification efficiency, but the activated carbon is required to be replaced after being adsorbed and saturated, and the saturated activated carbon is required to be treated as dangerous waste, so that high operation cost is generated, or a desorption system is configured for catalytic combustion treatment, and the problem of high initial investment is caused for small-scale projects such as automobile maintenance shops; photocatalysis has the advantages of low maintenance cost and energy consumption, but has very limited purification efficiency and short service life; the safety and operation requirements of low-temperature plasma on equipment are high, and especially the use of the low-temperature plasma is limited due to several detonating accidents which occur recently, so that the safety is worried.
Chinese patent CN206715653U discloses a portable VOCs waste gas desorption and purification all-in-one machine, which comprises a filter, a desorption fan, a heat exchanger, a catalytic oxidation device, an exhaust funnel, an all-in-one machine housing and a movable body, wherein the system has limited processing capacity, a complex pipeline system, an insufficiently compact structure and a large occupied area.
Chinese patent CN108854448A discloses a mobile adsorption-desorption-catalytic combustion linkage device for VOCs, which has the characteristic of continuous operation of adsorption and desorption, but can not desorb the single adsorption equipment, and the adopted annular porous sleeve pipe determines that the device can only be used for specific adsorbent types, such as spherical or columnar, and honeycomb-shaped inapplicable.
Disclosure of Invention
The technical problem solved by the invention is as follows: the adsorption material desorption regeneration system is provided for small-size paint spray booths such as auto repair shops that adopt adsorption purification technique, and the desorption regeneration treatment is unified to the adsorption material that gets off changing of being convenient for.
The invention is realized by adopting the following technical scheme:
an adsorption material desorption regeneration system comprises a desorption section box body 1 and a purification section box body 3 which are integrally connected, wherein airflow circulation communication is realized between the desorption section box body 1 and the purification section box body 3 through a purification section box body inlet 2 and a purification section box body outlet 21;
the adsorption material to be desorbed is filled in a channel between the purification section box body inlet 2 and the purification section box body outlet 21 in the desorption section box body 1;
the purification section box body 3 is provided with a heat exchanger 6, a catalytic combustion zone 8 and a heating zone 12 which are communicated with each other, the heat exchanger 6 comprises two groups of channels which exchange heat with each other in the interior, the heat exchanger is externally provided with a heat exchanger first inlet 5, a heat exchanger first outlet 14, a heat exchanger second inlet 7 and a heat exchanger second outlet 17 which are respectively communicated with the two groups of channels correspondingly, the heat exchanger first inlet 5 is communicated with the purification section box body inlet 2, the heat exchanger first outlet 14 is communicated with the heating zone 12, the heat exchanger second inlet 7 is communicated with the catalytic combustion zone 8, the heat exchanger second outlet 17 is communicated with the purification section box body outlet 21, a heating component is arranged in the heating zone 12, and a catalyst for desorption gas catalytic combustion is arranged in the catalytic combustion zone 8;
the inside desorption fan 20 that drives the air current circulation that still is equipped with of purification section box 3.
Further, desorption section box 1 is inside to be equipped with a plurality of adsorption material drawers 24 that are used for filling adsorption material, and all adsorption material drawers 24 stack dress are fixed together and through the rotatory support of rotation axis 23 in purifying the passageway between section box entry 2 and the outlet 21 of purifying section box, rotation axis 23 is connected with the rotating electrical machines 22 transmission, and through the rotation of rotating electrical machines drive adsorption material drawer, improve the homogeneity of adsorption material desorption.
Further, the adsorbing material drawer 24 is centrally provided with a fitting hole for transmission with the rotating shaft 23, and all the adsorbing material drawers 24 are supported on the rotating shaft 23 by being fitted through the fitting hole.
Further, the outer wall of the purification section box body 3 is wrapped by a heat insulation material 4, so that heat is insulated from the interior of the purification section box body, and the heat loss and the potential safety hazard caused by overhigh external temperature of the box body are avoided.
Furthermore, a plurality of catalyst drawers 10 filled with catalyst are arranged in the catalytic combustion zone 8, and the catalyst drawers 10 are fixed in the catalytic combustion zone 8 through partition plates 9.
Further, the inside distribution of the heating zone 12 of heating sets up a plurality of groups heating pipe 13, be equipped with first temperature sensor 11 between the heating zone 12 of heating and the catalytic combustion district 8, first temperature sensor 11 is connected with the control module feedback of heating pipe 13, and the temperature through first temperature sensor detects the feedback, and the heating pipe quantity of work in the adjustment heating zone carries out accurate heating control to desorption gas.
Further, purification section box 3 is inside to be equipped with benefit cold air valve 18, benefit cold air valve 18 parallel connection is held at desorption fan 20's air inlet to along with desorption fan 20 together set up between heat exchanger second export 17 and purification section box export 21, heat exchanger second export 17 is provided with the second temperature sensor 19 that control benefit cold air valve 18 opened and closed, and the air inlet end of whole system is regarded as simultaneously to the benefit cold air valve, combines second temperature sensor's temperature to detect the feedback, and the adjustment gets into the inside desorption gas temperature of desorption section box.
Further, still be equipped with exhaust valve 26 on the purification section box 3, exhaust valve 26 connects in parallel and sets up between catalytic combustion district 8 and heat exchanger second entry 7, still be equipped with the third temperature sensor 27 that control exhaust valve 26 opened and closed between catalytic combustion district 8 and the heat exchanger second entry 7, the third temperature sensor carries out temperature detection to the high-temperature gas that gets into the inside catalytic combustion back of heat exchanger to with the linkage of exhaust valve, avoid the inside high temperature of system.
Specifically, the heat exchanger 6 is a plate-type dividing wall type heat exchanger or a return-shaped dividing wall type heat exchanger, and two groups of channels for circulating heat exchange are formed in the heat exchanger through heat exchange plates.
In the adsorption material desorption and regeneration system, the desorption section box body 1 is detachably fixed on the purification section box body 3 through a flange structure, the purification section box body 3 is fixed on the bottom plate 15 with the bottom wheel 16, and the whole system equipment is convenient to move.
The invention aims at the simple desorption device without a desorption regeneration system, carries out centralized treatment on the replaced adsorption materials, can intensively carry out unified desorption treatment on a plurality of sets of small waste gas adsorption equipment, and solves the problem of high operation cost of the desorption system independently configured for the whole machine. The desorption section box body and the purification section box body are detachably connected, and the whole purification section box body can be directly butted to the waste gas adsorption equipment for desorption treatment.
The invention has the following beneficial effects:
1) the flexibility and the applicability are strong. The desorption section box body and the purification section box body can be separated, can be suitable for equipment with a desorption inlet and a desorption outlet reserved or the situation that adsorption materials need to be taken out for desorption and regeneration, and can be placed in the adsorption material drawer for desorption treatment corresponding to different adsorption materials.
2) The desorption temperature is flexible and adjustable. The invention is suitable for desorption regeneration of adsorption materials with different desorption temperatures through feedback control of the multistage temperature sensor, the valve and the heater. When temperature sensor detects that the temperature is higher than the required desorption temperature of adsorption material, open the tonifying cold air valve, transfer the temperature to suitable scope, in the desorption section box is sent into to the desorption gas of adjusting the heat transfer by the heat exchanger again, carry out the desorption to adsorption material, ensure the high efficiency and the security of desorption. Whether the heating pipes of the heating area are opened or not and a plurality of groups of heating pipes are opened are determined according to the temperature detection results of the temperature sensors, if the temperature is lower than the ignition temperature of the waste gas, the corresponding heating pipes are opened, the waste gas is heated and heated to the ignition temperature and then is stopped to be heated, and if the temperature of the waste gas reaches the ignition temperature, the heating pipes do not work, so that the temperature control is more accurate and energy-saving.
3) The heating mode is safe and reliable. The invention adopts an electric heating mode, so that the heating is more uniform and the safety is higher.
4) The occupied area is small. The invention adopts an integrated module design, and both the desorption section and the purification section are integrated in the box body, and no complex pipeline is arranged in the box body, so that the structure is compact, the occupied area is small, and the movement is convenient.
5) The waste heat is fully utilized. And a partition heat exchange mode is adopted, and the waste heat is fully utilized, so that the energy-saving effect is achieved.
From the above, the adsorption material desorption and regeneration system disclosed by the invention adopts an all-in-one machine movable design, has the advantages of compact structure, high purification efficiency, low energy consumption and low operation cost, can be widely applied to desorption and purification of various adsorption equipment and adsorption materials, is convenient and rapid to maintain, and has wide application value.
The invention is further described with reference to the following figures and detailed description.
Drawings
Fig. 1 is a schematic diagram of the internal structure of an adsorbent desorption regeneration system in an example.
Fig. 2 is a view from direction a of fig. 1, mainly illustrating the inlet and outlet of the purification section.
Fig. 3a and 3b are schematic internal views of the heat exchanger in the embodiment.
Fig. 4 is an operation schematic diagram of the adsorption material desorption regeneration system in the embodiment connected with an external waste gas adsorption device.
Reference numbers in the figures: 1-desorption section box body, 2-purification section box body inlet, 3-purification section box body, 4-thermal insulation material, 5-heat exchanger first inlet, 6-heat exchanger, 7-heat exchanger second inlet, 8-catalytic combustion area, 9-clapboard, 10-catalyst drawer, 11-first temperature sensor, 12-heating area, 13-heating pipe, 14-heat exchanger first outlet, 15-bottom plate, 16-bottom wheel, 17-heat exchanger second outlet, 18-supplemental cooling valve, 19-second temperature sensor, 20-desorption fan, 21-purification section box body outlet, 22-rotating motor, 23-rotating shaft, 24-adsorption material drawer, 25-air inlet and outlet thermal insulation hose, 26-exhaust valve and 27-third temperature sensor.
Detailed Description
Examples
Referring to fig. 1, the adsorption material desorption regeneration system shown in the figure is a specific embodiment of the present invention, and specifically includes a desorption section box 1 and a purification section box 3, wherein the desorption section box 1 is used for performing high-temperature gas desorption treatment on an adsorption material, and a drawer 24 for loading an adsorption material to be desorbed is arranged inside the desorption section box 1; the purifying box body 3 carries out waste heat recycling on the desorbed gas, carries out catalytic combustion treatment, and takes out harmful substances in the desorbed gas. Desorption section box 1 and purify between the section box 3 and realize the circulation intercommunication of desorption air current through purifying section box entry 2 and purifying section box export 21, wherein purify section box entry 2 and purify section box export 21 and all set up on purifying section box 3, combine figure 2 to show, and purify section box entry 2 and purify section box export 21 and be located desorption section box inside adsorption material drawer 24's upper and lower both ends respectively, it must pass adsorption material drawer 24 and the inside adsorption material full contact realization desorption that loads to get into desorption section box 1 inside desorption gas like this.
Be provided with heat exchanger 6, catalytic combustion district 8 and the zone of heating 12 in purifying section box 3, heat exchanger 6, the zone of heating 12 and catalytic combustion district 8 communicate in proper order, can communicate through the inside pipeline that sets up of purifying section box 3, also can communicate each other through the passageway that the inside baffle that sets up of purifying section box 3 formed. Wherein 6 inside two sets of passageways that are equipped with heat exchange each other of heat exchanger are equipped with four imports and exports of the two sets of passageways of business turn over respectively, do respectively: a first inlet 5 of the heat exchanger, a first outlet 14 of the heat exchanger, a second inlet 7 of the heat exchanger, and a second outlet 17 of the heat exchanger, wherein the first inlet 5 of the heat exchanger is communicated with an inlet 2 of the purification section tank for introducing the desorbed waste gas into the heat exchanger, and the heat exchanger 6 is used for primarily exchanging heat and heating the part of the waste gas, the first outlet 14 of the heat exchanger is communicated with the heating zone 12 for delivering the desorbed gas after heat exchange to the heating zone 12, and heating are carried out again by a heating component in the heating zone 12, so that the desorbed gas is delivered to the catalytic combustion zone 8 for catalytic combustion after reaching the temperature capable of catalytic combustion, the second inlet 7 of the heat exchanger is communicated with the catalytic combustion zone 8, the high-temperature gas after catalytic combustion is delivered to the heat exchanger 6 for heat exchange and cooling to reach the temperature for desorption to form clean desorbed gas again, and the second outlet 17 of the heat exchanger, and (3) feeding the desorbed gas subjected to heat exchange and temperature reduction into the desorption section box body 1 to perform cyclic continuous desorption of the adsorption material, forming an infinite-shaped airflow circulation route shown in fig. 1, and performing heat exchange on the high-temperature gas subjected to catalytic combustion and the low-temperature gas subjected to desorption in a heat exchanger to realize waste heat recycling of catalytic combustion in the desorption process.
In this embodiment, the desorption fan 20 is disposed between the second outlet 17 of the heat exchanger and the outlet 21 of the purification section box, and the desorption fan 20 provides the flowing power of the airflow. Meanwhile, in the embodiment, the inside of the purification section box body 3 is further provided with the supplement cooling air valve 18, the supplement cooling air valve 18 is used as an air inlet end of external air entering the internal system, and the supplement cooling air valve 18 is connected to the air inlet end of the desorption fan 20 in parallel and is arranged between the heat exchanger second outlet 17 and the purification section box body outlet 21 along with the desorption fan 20. Supply cold air valve 18 adopts electric control valve, heat exchanger second export 17 department is provided with the second temperature sensor 19 that control supply cold air valve 18 opened and closed, according to the gaseous temperature of desorption from 6 inside exports desorption section box to the inside, the adjustment gets into the inside cold air of desorption section box, when getting into desorption section box 1 inside desorption gas temperature and surpassing the desorption temperature, open supply cold air valve 18 and let in the new trend and close supply cold air valve 18 until reaching required desorption temperature after with the temperature that reduces desorption gas, then close supply cold air valve 18 under other circumstances.
Referring to fig. 3a and 3b, the heat exchanger 6 in the present embodiment is a plate-type dividing wall type heat exchanger or a zigzag-shaped dividing wall type heat exchanger, and the inside of the heat exchanger is partitioned into zigzag or zigzag-shaped circulation heat exchange passages by heat exchange plates. And the heat exchanger 6 has the function of closing partial internal channels according to the temperature required by desorption to realize a partition or whole heat exchange mode. Meanwhile, the second temperature sensor 19 is also in feedback control with the function switching control unit of the heat exchanger 6, and because the desorption temperatures required by different adsorption materials are different, for example, the desorption temperature of the honeycomb activated carbon is generally 80-100 ℃, the desorption temperature of the molecular sieve rotating wheel is generally 200-. When the temperature of the desorption gas discharged from the second outlet 17 of the heat exchanger is higher than the required desorption temperature, the supplemental cooling air valve 18 is opened until the required temperature is reached; when the required desorption temperature is higher, the heat exchanger 6 is controlled to adopt partial heat exchange to close partial channels of the heat exchanger, and when the required desorption temperature is low, the full heat exchanger is adopted to exchange heat, so that the temperature of the desorbed gas after heat exchange is further reduced.
A plurality of catalyst drawers 10 filled with catalysts are arranged in the catalytic combustion area 8, the catalyst drawers 10 are fixed in the catalytic combustion area 8 through partition plates 9, the catalyst drawers 10 are made of meshed plates, desorbed gas and the catalysts in the catalyst drawers 10 are subjected to catalytic combustion reaction after reaching a catalytic temperature, the catalytic combustion does not mean real combustion, but means that harmful substances in the desorbed gas are subjected to catalytic reaction with the catalysts after reaching the catalytic temperature to form harmless carbon dioxide and water.
The inside distribution of the heating zone 12 sets up a plurality of groups heating pipe 13, heating pipe 13 adopts the electric heating pipe that can carry out temperature control, this embodiment is equipped with first temperature sensor 11 between the heating zone 12 and catalytic combustion district 8, detect the high temperature desorption gas temperature that enters into catalytic combustion district 8 from the heating zone 12, first temperature sensor 11 is connected with the control module feedback of heating pipe 13, temperature detection feedback through first temperature sensor, the heating pipe quantity of work in the adjustment heating zone, when the inside desorption gas temperature that gets into catalytic combustion district 8 is less than catalytic temperature, increase the starting quantity of the inside heating pipe of heating zone 12, when the inside desorption gas temperature that gets into catalytic combustion district 8 reaches or surpasses catalytic temperature, reduce the starting quantity of the inside heating pipe of the heating zone 12, carry out accurate heating control to the desorption gas.
And an exhaust valve 26 is further arranged on the purification section box body 3, the exhaust valve 26 is arranged between the catalytic combustion area 8 and the second inlet 7 of the heat exchanger in parallel, and exhaust is performed when the temperature of airflow in the system is too high or the pressure is increased due to too much introduced gas. Exhaust valve 26 adopts the automatically controlled valve, still be equipped with the third temperature sensor 27 that control exhaust valve 26 opened and closed between catalytic combustion district 8 and the heat exchanger second entry 7, third temperature sensor 27 carries out the temperature detection to the high-temperature gas after getting into the inside promotion of heat exchanger and burning, the desorption gas temperature that gets into the heat exchanger after catalytic combustion surpasss the safety threshold or detects the inside pressure of box when too high through the pressure sensing unit of the inside setting of system, control exhaust valve 26 opens, the inside temperature of governing system and pressure are in safety range, exhaust valve 26 closes under other circumstances.
The feedback control technologies of the temperature sensor, the electric heating part and the electric control valve adopted in the embodiment are conventional automatic detection control technologies, and a person skilled in the art can design the related circuits and control programs according to the selected temperature sensor parameters, and the embodiment is not described herein in detail.
The outer wall of the purification section box body 3 in the embodiment is wrapped by the heat insulation material 4, the heat insulation material 4 is made of high-quality aluminum silicate heat insulation material, the interior of the purification section box body is subjected to heat insulation, and the potential safety hazard caused by heat dissipation in the interior of the box body and overhigh temperature of the exterior of the box body is avoided. And the desorption section box body 1 and the purification section box body 3 are respectively provided with an installation maintenance access door.
A plurality of adsorbing material drawers 24 for filling adsorbing materials are arranged in the desorption section box body 1, all the adsorbing material drawers 24 are fixedly stacked and rotatably supported in a channel between the purification section box body inlet 2 and the purification section box body outlet 21 through a rotating shaft 23, the rotating shaft 23 is rotatably assembled in the middle of the adsorption section box body 3 along the vertical direction, the bottom plate of the adsorbing material drawer 24 has a mesh structure, so that the desorbed gas can freely flow through the inside of the drawer, a driving hole, for example, a square hole of a non-circular structure, is provided at the center of the adsorbing material drawer 24, all the adsorbing material drawers 24 are sleeved on the rotating shaft 23 through the driving hole, axial supporting and positioning are achieved through a step positioning structure on the transmission shaft 23, multiple groups of adsorbing material drawers 24 are sleeved on the transmission shaft 23 together to achieve unified stacking, the space for placing adsorbing materials is increased, and the number of the adsorbing material drawers 24 can be determined according to the number of adsorbing materials under specific working conditions. The bottom of rotation axis 23 is connected with the rotating electrical machines 22 transmission, drives rotation axis 23 through rotating electrical machines 22 and drives all adsorption material drawers constant speed rotatory, improves the homogeneity of all adsorption material desorption in adsorption material drawer 24.
Desorption section box 1 in this embodiment can be dismantled through flange structure and fix on purifying section box 3, sets up the sealing washer between desorption section box 1 and the purifying section box 3 and guarantees the gas tightness between the box, purifies section box 3 and fixes on bottom plate 15 that has return pulley 16, and entire system equipment can remove the use. Through dismantling desorption section box 1 from purification section box 3 after, purification section box entry 2 and purification section box export 21 on the purification section box 3 side expose, will purify section box entry 2 and purification section box export 21 and dock with desorption system among the waste gas adsorption equipment respectively through business turn over wind insulation hose 25, as shown in fig. 4, can be directly to carrying out desorption regeneration to the adsorption material that can be to in the adsorption equipment, desorption import and export has been reserved to the adsorption equipment that corresponds.
The above description is only for the purpose of illustrating the present invention, and should not be taken as limiting the scope of the present invention. All equivalent changes and modifications made according to the claims and the content of the specification of the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an adsorbing material desorption regeneration system which characterized in that: the desorption section box body (1) and the purification section box body (3) are integrally connected, and the desorption section box body (1) and the purification section box body (3) are communicated in an air flow circulation mode through a purification section box body inlet (2) and a purification section box body outlet (21);
adsorbing materials to be desorbed are filled in a channel between the purifying section box body inlet (2) and the purifying section box body outlet (21) in the desorbing section box body (1);
the purifying section box body (3) is provided with a heat exchanger (6), a catalytic combustion zone (8) and a heating zone (12) which are communicated with each other, the heat exchanger (6) comprises two groups of channels for exchanging heat with each other, the heat exchanger is externally provided with a first inlet (5) of the heat exchanger, a first outlet (14) of the heat exchanger, a second inlet (7) of the heat exchanger and a second outlet (17) of the heat exchanger which are respectively and correspondingly communicated with the two groups of channels, wherein the first inlet (5) of the heat exchanger is communicated with the inlet (2) of the purification section box body, the first outlet (14) of the heat exchanger is communicated with the heating zone (12), the second inlet (7) of the heat exchanger is communicated with the catalytic combustion zone (8), the second outlet (17) of the heat exchanger is communicated with the outlet (21) of the purification section box body, a heating part is arranged in the heating area (12), and a catalyst for catalytic combustion of desorbed gas is arranged in the catalytic combustion area (8);
the purification section box body (3) is also internally provided with a desorption fan (20) for driving the air flow to circulate.
2. An adsorbing material desorption regeneration system according to claim 1, wherein a plurality of adsorbing material drawers (24) for filling adsorbing materials are arranged inside the desorption section box body (1), all the adsorbing material drawers (24) are fixed together in a stacking manner and rotatably supported in a channel between the purification section box body inlet (2) and the purification section box body outlet (21) through a rotating shaft (23), and the rotating shaft (23) is in transmission connection with a rotating motor (22).
3. An adsorbing material desorption regeneration system as claimed in claim 2, wherein the adsorbing material drawer (24) is centrally provided with a fitting hole in transmission with the rotating shaft (23), and all adsorbing material drawers (24) are sleeved and supported on the rotating shaft (23) through the fitting hole.
4. The adsorption material desorption and regeneration system according to claim 1, wherein the outer wall of the purification section box body (3) is wrapped with a thermal insulation material (4).
5. An adsorption material desorption regeneration system according to claim 4, wherein a plurality of catalyst drawers (10) filled with catalyst are arranged in the catalytic combustion zone (8), and the catalyst drawers (10) are fixed in the catalytic combustion zone (8) through partition plates (9).
6. An adsorbing material desorption and regeneration system according to claim 4, wherein a plurality of groups of heating pipes (13) are distributed inside the heating zone (12), a first temperature sensor (11) is arranged between the heating zone (12) and the catalytic combustion zone (8), and the first temperature sensor (11) is connected with a control module of the heating pipes (13) in a feedback manner.
7. The adsorption material desorption and regeneration system according to claim 1, wherein a supplement cooling air valve (18) is arranged inside the purification section box body (3), the supplement cooling air valve (18) is connected to an air inlet end of the desorption fan (20) in parallel and is arranged between a second outlet (17) of the heat exchanger and an outlet (21) of the purification section box body along with the desorption fan (20), and the second outlet (17) of the heat exchanger is provided with a second temperature sensor (19) for controlling the supplement cooling air valve (18) to be opened and closed.
8. The adsorbing material desorption and regeneration system according to claim 7, wherein an exhaust valve (26) is further arranged on the purifying section box body (3), the exhaust valve (26) is arranged between the catalytic combustion area (8) and the heat exchanger second inlet (7) in parallel, and a third temperature sensor (27) for controlling the exhaust valve (26) to open and close is further arranged between the catalytic combustion area (8) and the heat exchanger second inlet (7).
9. The adsorption material desorption and regeneration system according to claim 1, wherein the heat exchanger (6) is a plate-type dividing wall type heat exchanger or a zigzag-shaped dividing wall type heat exchanger.
10. An adsorption material desorption regeneration system according to any one of claims 1-9, wherein the desorption section box body (1) is detachably fixed on the purification section box body (3) through a flange structure, and the purification section box body (3) is fixed on a bottom plate (15) with a bottom wheel (16).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021931.9A CN110694602B (en) | 2019-10-25 | 2019-10-25 | Adsorbing material desorption regeneration system |
| PCT/CN2020/117832 WO2021077986A1 (en) | 2019-10-25 | 2020-09-25 | Adsorption material desorption regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021931.9A CN110694602B (en) | 2019-10-25 | 2019-10-25 | Adsorbing material desorption regeneration system |
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| CN110694602A true CN110694602A (en) | 2020-01-17 |
| CN110694602B CN110694602B (en) | 2022-11-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452314A (en) * | 2020-12-14 | 2021-03-09 | 江苏省环境工程技术有限公司 | In-situ treatment device and method for waste activated carbon after VOCs adsorption |
| WO2021077986A1 (en) * | 2019-10-25 | 2021-04-29 | 航天凯天环保科技股份有限公司 | Adsorption material desorption regeneration system |
| WO2022057347A1 (en) * | 2020-09-15 | 2022-03-24 | 北京市环境保护科学研究院 | Volatile organic compound adsorption purification and catalytic regeneration integrated device |
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| WO2021077986A1 (en) | 2021-04-29 |
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