CN112657308A - VOC exhaust-gas treatment purifier - Google Patents
VOC exhaust-gas treatment purifier Download PDFInfo
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- CN112657308A CN112657308A CN202010599510.0A CN202010599510A CN112657308A CN 112657308 A CN112657308 A CN 112657308A CN 202010599510 A CN202010599510 A CN 202010599510A CN 112657308 A CN112657308 A CN 112657308A
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- 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
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Abstract
The invention relates to the technical field of waste gas treatment, in particular to a VOC waste gas treatment and purification device, which comprises a shell, a solid adsorption medium circulation component, a waste heat utilization component, a first air circulation component and a second air circulation component, wherein the shell is provided with a first air inlet and a second air outlet; solid adsorption medium circulation subassembly is including locating the inside adsorption zone of casing, the zone of heating and cooling district, the adsorption zone, all be equipped with a plurality of absorption units in the zone of heating and the cooling district, adsorption zone and zone of heating side are equipped with first lifting unit and first electric putter subassembly, first lifting unit direction of motion is perpendicular with first electric putter subassembly direction of motion, adsorption zone and cooling district side are equipped with second lifting unit and second electric putter subassembly, second lifting unit direction of motion is perpendicular with second electric putter subassembly direction of motion, the cooling district intercommunication has the waste heat recovery subassembly. The invention performs adsorption and desorption aiming at the adsorption unit, has stable conveying process, is beneficial to efficiently removing VOC waste gas and particles, can recover waste heat and can effectively save energy.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a VOC waste gas treatment and purification device.
Background
With the increasing demand for atmospheric control and the stricter and stricter environmental inspections, the health problems of workshops polluted by volatile organic compounds and workers working in the polluted workshops are receiving more and more attention, and waste gas treatment devices are gradually introduced into enterprise workshops, especially paint spray booths. When the objects are painted, the painting is generally carried out in a paint spray booth, most of the selected materials are water-based paint, and during the painting process, volatile organic compounds are generated due to the volatility of the water-based paint, and the volatile organic compounds carry harmful molecules, so that the harmful molecules can cause physical harm to surrounding workers if directly discharged into the atmosphere.
Chinese patent CN210278700U discloses a VOC exhaust gas treatment and purification device, wherein molecular sieve is heated, desorbed and condensed in the form of particles, and the molecular sieve particles are conveyed and circulated in the form of a conveyor belt. Although the above scheme can realize desorption and condensation of the molecular sieve to realize recovery of the molecular sieve, the following steps: the molecular sieve is renewed in a particle form, the renewal rate is low, and the high-efficiency treatment of VOC waste gas is not facilitated; in addition, when the molecular sieve particles are conveyed by the conveyor belt, the molecular sieve easily falls into the conveyor belt structure, so that the conveyor belt is abraded.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the VOC waste gas treatment and purification device, the solid adsorption medium can be heated, desorbed and cooled after adsorbing waste gas, and then is recycled, the conveying process is stable, the working stability is good, and the VOC and particulate matters can be effectively removed.
In order to solve the technical problems, the invention adopts the technical scheme that:
the VOC waste gas treatment and purification device comprises a shell, a solid adsorption medium circulation component, a waste heat utilization component, a first air circulation component for guiding waste gas to the solid adsorption medium circulation component and a second air circulation component for guiding purified air to a workshop, wherein the air circulation component and the solid adsorption medium circulation component are positioned in the shell; solid adsorption medium circulation subassembly is including locating inside adsorption zone, the zone of heating and the cooling zone of casing, all be equipped with a plurality of inside packings in adsorption zone, the zone of heating and the cooling zone and have solid adsorption medium's absorption unit, adsorption zone and the zone of heating side are equipped with first lifting unit and first electric putter subassembly, and first lifting unit direction of motion is perpendicular with first electric putter subassembly direction of motion, adsorption zone and cooling zone side are equipped with second lifting unit and second electric putter subassembly, and second lifting unit direction of motion is perpendicular with second electric putter subassembly direction of motion, the zone of heating is equipped with heating element, the cooling zone is equipped with cooling element, the cooling zone intercommunication has the waste heat recovery subassembly.
According to the VOC waste gas treatment and purification device, waste gas enters the solid adsorption medium circulation component under the action of the first air circulation component; specifically, the method comprises the following steps: the waste gas enters the adsorption unit of the adsorption area to remove particles and VOC waste gas in the waste gas, the adsorption unit adsorbing the waste gas moves to the first lifting component under the pushing action of the second electric push rod component, the first lifting component drives the adsorption unit to descend to a position flush with the heating area, the first electric push rod component pushes the adsorption unit to the heating area, the adsorption unit is heated and desorbed by the heating component in the heating area, and simultaneously, one adsorption unit at the tail end of the heating area moves to the cooling area, under the cooling action of the cooling area, the adsorption units are cooled, meanwhile, one adsorption unit at the tail end of the cooling area moves to the second lifting component, the second lifting component drives the adsorption unit to move upwards to a position flush with the adsorption area, under the action of the first electric push rod component, the adsorption unit is pushed to the adsorption area, so that the cycle of adsorption, desorption, cooling and reabsorption can be formed. The purified air obtained by removing particles and VOC is guided to a spraying workshop or other occasions needing purified air under the action of a second air circulation assembly. In addition, the waste heat recovery assembly is communicated with the cooling area, so that heat generated in the solid adsorption medium circulation assembly can be recovered, and the recovered heat can be reused after being subjected to temperature regulation. The adsorption, desorption and cooling processes are carried out aiming at the adsorption unit instead of the solid adsorption medium particles, the conveying process is stable, the working stability is good, the VOC waste gas and the VOC particles can be efficiently removed, the waste heat can be recovered, and the energy can be effectively saved.
Furthermore, the first air circulation assembly comprises a first channel arranged at the bottom of the shell and a second channel arranged at the side part of the shell and communicated with the first channel, a first air guide fan and an air guide plate are arranged in the second channel, and air outlet of the first air guide fan is guided to the adsorption unit through the air guide plate; the second air circulation assembly comprises a third channel arranged at the top of the shell, and a second air guide fan for guiding purified air to a workshop is arranged in the third channel.
Further, the heating area and the cooling area are arranged below the adsorption area side by side, and a plurality of rollers rotatably connected with the shell are arranged at the bottom, the upper part and the side part of the adsorption area, the heating area and the cooling area.
Furthermore, a plurality of groups of adsorption units are arranged in the adsorption zone in order, and a plurality of groups of adsorption units are also arranged in the heating zone and the cooling zone in order.
Further, the first lifting assembly comprises a first motor, a first transmission assembly and a first supporting plate, the first transmission assembly is connected between the first motor and the first supporting plate, and the adsorption unit can be placed on the first supporting plate.
Further, the second lifting assembly comprises a second motor, a second transmission assembly and a second supporting plate, the second transmission assembly is connected between the second motor and the second supporting plate, and the adsorption unit can be placed on the second supporting plate.
Furthermore, the first supporting plate and the second supporting plate are provided with inductive switches, and the side wall of the shell is provided with travel switches for respectively controlling the movement strokes of the first supporting plate and the second supporting plate.
Further, the heating assembly comprises a hot air fan and a burner, the burner is communicated with the heating area, an air inlet of the hot air fan is communicated with the heating area, and an air outlet of the hot air fan is communicated with the burner.
Further, the cooling assembly comprises a first condenser and a cold air blower, the cold air blower is arranged beside the first condenser, and an air outlet of the cold air blower is communicated with the cooling area.
Further, the waste heat recovery subassembly includes the first fan of air inlet end and cooling space intercommunication, and the air-out end intercommunication of first fan has the temperature to reconcile the room, and the temperature is reconciled the room and is connected with the second condenser, be equipped with temperature sensor in the temperature reconciled the indoor, the temperature is reconciled the room intercommunication and is had the second fan.
Compared with the prior art, the invention has the beneficial effects that:
the invention can effectively remove particles and VOC in the waste gas to achieve the effect of waste gas purification, realizes zero emission, and has better energy saving property and environmental protection property;
the invention can form the cycle of adsorption-desorption-cooling-re-adsorption in the shell, and the adsorption, desorption and cooling processes are carried out aiming at the adsorption unit, but not aiming at the solid adsorption medium particles, the conveying process is stable, the working stability is good, and the VOC and the particles can be efficiently removed;
the waste heat generated by the solid adsorption medium circulation component can be effectively recovered by the waste heat recovery component, and can be recycled after the temperature is adjusted, so that the energy can be effectively saved.
Drawings
Fig. 1 is a schematic structural view of a VOC exhaust gas treatment purification apparatus according to the present invention;
FIG. 2 is a schematic diagram of the configuration of a solid adsorbent media circulation assembly;
FIG. 3 is a schematic structural view of a first wind circulation assembly and a second wind circulation assembly;
FIG. 4 is a schematic view of the structure of the adsorption unit;
FIG. 5 is a schematic view of a heating assembly;
FIG. 6 is a schematic view of a cooling assembly;
in the drawings: 1-a shell; 11-an adsorption zone; 12-a heating zone; 13-a cooling zone; 14-a thermally insulating layer; 2-a solid adsorbent media circulation assembly; 21-an adsorption unit; 211-mesh plate; 212-a vent; 213-a ventilation interlayer; 22-a first lifting assembly; 221-a first motor; 222 — a first transmission assembly; 223-a first pallet; 23-a first electric putter assembly; 24-a second lifting assembly; 241-a second motor; 242-a second transmission assembly; 243-a second pallet; 25-a second electric push rod assembly; 3-a waste heat recovery assembly; 31-a first fan; 32-temperature tempering chamber; 33-a second condenser; 34-a temperature sensor; 35-a second fan; 4-a first wind circulation assembly; 41-a first channel; 42-a second channel; 43-a first wind-guiding fan; 44-a wind deflector; 5-a second wind circulation assembly; 51-a third channel; 6-a heating assembly; 61-a hot air blower; 62-a combustor; 7-a cooling assembly; 71-a first condenser; 72-cold air blower.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts 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.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Examples
Fig. 1 to 2 show an embodiment of a VOC exhaust gas treatment purification apparatus according to the present invention, which includes a housing 1, a solid adsorbent material circulation module 2, a waste heat utilization module 3, a first air circulation module 4 for guiding exhaust gas to the solid adsorbent material circulation module 2, and a second air circulation module 5 for guiding purified air to a workshop, wherein the air circulation module and the solid adsorbent material circulation module 2 are located inside the housing 1; the solid adsorption medium circulation component 2 comprises an adsorption zone 11 arranged inside the shell 1, a heating zone 12 and a cooling zone 13, the adsorption zone 11, a plurality of adsorption units 21 filled with solid adsorption medium are arranged in the heating zone 12 and the cooling zone 13, a first lifting component 22 and a first electric push rod component 23 are arranged beside the adsorption zone 11 and the heating zone 12, the moving direction of the first lifting component 22 is perpendicular to the moving direction of the first electric push rod component 23, a second lifting component 24 and a second electric push rod component 25 are arranged beside the adsorption zone 11 and the cooling zone 13, the moving direction of the second lifting component 24 is perpendicular to the moving direction of the second electric push rod component 25, the heating zone 12 is provided with a heating component 6, the cooling zone 13 is provided with a cooling component 7, and the cooling zone 13 is communicated with a waste heat recovery component 3. Wherein, a heat insulation layer 14 can be arranged among the adsorption zone 11, the heating zone 12 and the cooling zone 13.
According to the VOC waste gas treatment and purification device, waste gas enters the solid adsorption medium circulation component 2 under the action of the first air circulation component 4; specifically, the method comprises the following steps: the waste gas firstly enters the adsorption unit 21 of the adsorption area 11 to remove particles and VOC waste gas in the waste gas, the adsorption unit 21 adsorbing the waste gas moves to the first lifting component 22 under the pushing action of the second electric push rod component 25, the first lifting component 22 drives the adsorption unit 21 to descend to the position flush with the heating area 12, the first electric push rod component 23 pushes the adsorption unit 21 to the heating area, the adsorption unit 21 is heated and desorbed by the heating component 6 in the heating area 12, meanwhile, one adsorption unit 21 at the tail end of the heating area 12 moves to the cooling area 13, under the cooling action of the cooling area 13, the adsorption unit 21 is cooled, meanwhile, one adsorption unit 21 at the tail end of the cooling area 13 moves to the second lifting component 24, the second lifting component 24 drives the adsorption unit 21 to ascend to the position flush with the adsorption area 11, under the action of the first electric push rod component 23, the adsorption unit 21 is pushed to the adsorption zone 11, so that a cycle of adsorption-desorption-cooling-re-adsorption is formed. The purified air obtained by removing particles and VOC is guided to a spraying workshop or other occasions needing purified air under the action of the second air circulation component 5. In addition, the cooling area 13 of the invention is communicated with the waste heat recovery component 3, the heat generated in the solid adsorption medium circulation component 2 can be recovered, the recovered heat can be reused after being subjected to temperature regulation, and the energy is effectively saved. The invention can be applied to paint spraying and baking rooms, industrial VOC treatment settings, industrial workshop air purifiers, VOC removing air conditioners and indoor VOC removing air purifiers, and is not limited to the above applications.
In one embodiment, the first air circulation assembly 4 includes a first channel 41 disposed at the bottom of the casing 1, and a second channel 42 disposed at the side of the casing 1 and communicated with the first channel 41, a first air guiding fan 43 and an air guiding plate are disposed in the second channel 42, and the outlet air of the first air guiding fan 43 is guided to the adsorption unit 21 through the air guiding plate 44; the second air circulation assembly 5 comprises a third channel 51 arranged at the top of the housing 1, and a second air guiding fan for guiding purified air to a workshop is arranged in the third channel 51, as shown in fig. 3. Waste gas generated in a spraying or other production workshop enters the first channel 41 from the bottom, an exhaust fan can be arranged on the first channel 41 to extract the spraying or other production workshops generating the waste gas, the waste gas in the first channel 41 is upwards along the second channel 42 under the action of the first air guide fan 43, and the arrangement of the air guide plates changes the wind direction so that the wind enters the adsorption unit 21 from the adsorption surface and adsorbs and removes VOC and particles in the waste gas through the adsorption unit 21; the purified air flowing out of the adsorption unit 21 enters the third channel 51 under the action of the second air guide fan, and the third channel 51 is usually arranged at the top of a spraying room or other production workshops and enters air from the top to the bottom. It should be noted that the positions of the first passage 41, the second passage 42, and the third passage 51 in the present embodiment are not intended to limit the present invention, and other passage structures capable of guiding the exhaust gas to the adsorption unit 21 and guiding the purified air to the painting or other manufacturing plants may be applied to the present invention.
In one embodiment, the adsorption zone 11 is located at the upper part in the housing 1, the heating zone 12 and the cooling zone 13 are located at the lower part in the housing 1, the heating zone 12 and the cooling zone 13 are arranged side by side and located below the adsorption zone 11, a heat insulation layer is separated between the adsorption zone 11 and the heating zone 12 and between the adsorption zone 13, a heat insulation layer 14 is separated between the heating zone 12 and the cooling zone 13, and a through hole for allowing the adsorption unit 21 to pass through is reserved between the heating zone 12 and the cooling zone 13. In order to make the actuating strokes of the first electric push rod assembly 23 and the second electric push rod assembly 25 the same and to provide the continuity of the processes of adsorption-desorption-cooling-re-adsorption, the number of the adsorption units 21 in the adsorption zone 11 is equal to the sum of the number of the adsorption units 21 in the heating zone 12 and the cooling zone 13, and the number of the adsorption units 21 in the whole solid adsorption medium circulation assembly 2 is two more than the total number of the adsorption units 21 in the adsorption zone 11, the heating zone 12 and the cooling zone 13.
In one embodiment, the bottom, upper portion and side portions of the adsorption zone 11, the heating zone 12 and the cooling zone 13 are provided with a plurality of rollers rotatably connected to the housing 1. With this arrangement, the upper and lower sides and the front and rear sides of the adsorption unit 21 are in contact with the housing 1 through the rollers, and the rolling friction force is small, so that the adsorption unit 21 in the adsorption region 11, the heating region 12, and the cooling region 13 can be smoothly moved as a whole when the first and second electric push rod assemblies 23 and 25 are operated. At adsorption zone 11, the sealed sponge strip is installed with the contact department of casing 1 to adsorption element 21, prevents that untreated waste gas from revealing, guarantees the exhaust purification effect.
In one embodiment, the adsorption unit 21 includes a plurality of screen plates 211, a cavity for filling solid adsorption media is disposed between adjacent screen plates 211, and the adjacent screen plates 211 and the solid adsorption media filled therein form an adsorption layer. The solid adsorption medium may be one or a combination of several of molecular sieve, activated carbon, silica gel and activated alumina, although the kind of the solid adsorption medium of the present invention is not limited to the above listed kinds. In this embodiment, the exhaust gas flows through the adsorption unit 21, and the solid adsorption medium adsorbs the VOC components and particulate matters in the exhaust gas to obtain clean air. In order to increase the trafficability characteristic of wind, reduce the wind pressure, ventilation hole 212 has all been seted up except that other each layer adsorbed layer of the terminal adsorbed layer of air inlet direction is followed to this embodiment adsorption unit 21, and along the air inlet direction, the quantity of ventilation hole 212 can reduce in proper order on each layer adsorbed layer. In addition, in order to further improve the ventilation effect, a ventilation interlayer 213 is provided between the adsorption layers, as shown in fig. 4. The adsorption unit 21 of the present embodiment is a rectangular parallelepiped box in appearance, which facilitates the adsorption unit 21 to be arranged in the adsorption zone 11, the heating zone 12 and the cooling zone 13.
In one embodiment, the first lifting assembly 22 includes a first motor 221, a first transmission assembly 222 and a first support plate 223, the first transmission assembly 222 is connected between the first motor 221 and the first support plate 223, and the adsorption unit 21 can be placed on the first support plate 223, as shown in fig. 2. When the embodiment is implemented, the first motor 221 drives the first transmission assembly 222 to transmit, so as to drive the first support plate 223 to move up and down, and the first support plate 223 drives the adsorption unit 21 to move up and down together, so that the adsorption unit 21 can be conveyed from the position of the adsorption area 11 to the position flush with the heating area 12. The first transmission assembly 222 of the present embodiment may adopt a rack and pinion transmission manner, a chain transmission manner, an electric lifting platform, an elevator shaft, or other lifting transmission manners capable of realizing lifting of the pallet.
When a gear-rack transmission mode is adopted, the output end of the first motor 221 is connected with a first gear, a first rack is installed on the shell 1, the first gear is meshed with the first rack, the first gear can move up and down along the first rack while the first motor 221 drives the first gear to rotate, the first motor 221 is installed on the first installation plate, the output shaft of the first motor 221 is rotatably connected with the first installation plate, and the first supporting plate 223 is installed on the first installation plate, so that the first supporting plate 223 can be driven to move up and down when the first motor 221 works; in order to ensure the stability of the lifting motion of the first supporting plate 223, the first mounting plate may further be provided with a first sliding block, the housing 1 is provided with a first guide rail slidably connected to the first sliding block, and the first guide rail may be specifically disposed beside the first rack in parallel. The first guide rail and the first slider cooperate to guide the lifting movement of the first mounting plate and the first support plate 223, and the arrangement is preferable for increasing the smoothness of the lifting movement of the first support plate 223, and is not a restrictive provision of the present invention.
When a chain transmission mode is adopted, the output end of the first motor 221 is connected with a first driving sprocket, a first chain is meshed and wound around the outer edges of the first driving sprocket and the first driven sprocket, and a first supporting plate 223 is fixedly mounted on the first chain. Therefore, when the first motor 221 is operated, the first chain rotates, so as to drive the first support plate 223 to move up and down.
In one embodiment, the second lifting assembly 24 includes a second motor 241, a second transmission assembly 242 and a second pallet 243, the second transmission assembly 242 is connected between the second motor 241 and the second pallet 243, and the adsorption unit 21 can be placed on the second pallet 243, as shown in fig. 2. In the implementation of this embodiment, the second motor 241 drives the second transmission assembly 242 to transmit, so as to drive the second support plate 243 to move up and down, and the second support plate 243 drives the adsorption unit 21 to move up and down, so as to transport the adsorption unit 21 from the position of the adsorption area 11 to the position flush with the heating area 12. The second driving assembly 242 of the present embodiment may adopt a rack and pinion driving manner, a chain driving manner, an electric lifting platform, an elevator shaft, or other lifting driving manners capable of realizing the lifting of the pallet.
When a gear-rack transmission mode is adopted, the output end of the second motor 241 is connected with a second gear, a second rack is installed on the shell 1, the second gear is meshed with the second rack, the second gear can move up and down along the second rack while the second motor 241 drives the second gear to rotate, the second motor 241 is installed on a second installation plate, the output shaft of the second motor 241 is rotatably connected with the second installation plate, and the second supporting plate 243 is installed on the second installation plate, so that the second supporting plate 243 can be driven to move up and down when the second motor 241 works; in order to ensure the stability of the lifting movement of the second supporting plate 243, in this embodiment, a second sliding block may be further disposed on the second mounting plate, a second guide rail slidably connected to the second sliding block is disposed on the housing 1, and the second guide rail may be disposed beside the second rack in parallel. The second guide rail and the second slider cooperate to guide the lifting movement of the second mounting plate and the second supporting plate 243, and the arrangement is preferably made to increase the smoothness of the lifting movement of the second supporting plate 243, and is not intended to limit the present invention.
When a chain transmission mode is adopted, the output end of the second motor 241 is connected with a second driving sprocket, a second chain is meshed and wound around the outer edges of the second driving sprocket and the second driven sprocket, and a second supporting plate 243 is fixedly mounted on the second chain. Therefore, when the second motor 241 works, the second chain rotates, so as to drive the second support plate 243 to move up and down.
In one embodiment, the first support plate 223 and the second support plate 243 are provided with inductive switches, and the side wall of the housing 1 is provided with travel switches for controlling the movement travel of the first support plate 223 and the second support plate 243 respectively. The first pallet 223 and the second pallet 243 are provided with inductive switches, which may be gravity detectors or material detection sensors, etc., capable of detecting that the adsorption unit 21 is conveyed to the first pallet 223 or the second pallet 243, and signals of the inductive switches are used as starting signals of the first lifting assembly 22 and the second lifting assembly 24; the stroke switch controls the moving stroke of the first blade 223 or the second blade 243, and when the first blade 223 moves to a position flush with the heating area 12 and the second blade 243 moves to a position flush with the cooling area 13, the stroke switch detects a signal as a signal that the first electric push rod assembly 23 and the second electric push rod assembly 25 start to operate.
In one embodiment, the heating assembly 6 comprises a hot air blower 61 and a burner 62, the burner 62 is communicated with the heating area 12, an air inlet of the hot air blower 61 is communicated with the heating area 12, and an air outlet of the hot air blower 61 is communicated with the burner 62, as shown in fig. 5. In the VOC direction combustor 62 of air heater 61 with the desorption, this embodiment can be at combustor internally mounted precious metal catalytic material so that the temperature rises to 400 ℃ in the combustor VOC can decompose into carbon dioxide and water fast, and the surplus heat of combustor 62 is directed to the zone of heating 12 and is carried out the VOC desorption, and the VOC of desorption is inhaled in the combustor by air heater 61, so the circulation forms heat cycle loop repeatedly. The heating assembly 6 of the present embodiment can be installed at the side of the heating area 12, can also be installed at the bottom of the heating area 12, can also be arranged outside the heating area 12 and communicated with the heating area 12 through a pipe, and can also be arranged and installed according to the actual application position. During heating desorption, VOC desorption is realized by utilizing waste heat generated by the combustor 62 in the heating area 12; in the combustor 62, the temperature is raised to 400 ℃, and the desorbed VOC is rapidly decomposed into carbon dioxide and water under the catalytic action of the precious metals.
In one embodiment, the cooling assembly 7 includes a first condenser 71 and a cool air blower 72, the cool air blower 72 is disposed beside the first condenser 71, and an air outlet of the cool air blower 72 is communicated with the cooling area 13, as shown in fig. 6. The first condenser 71 cools the air, the cold air blower 72 blows the cooled air to the adsorption unit 21 of the cooling area 13, and the air cooled by the adsorption unit 21 enters from the air inlet of the cold air blower 72 under the action of the cold air blower 72, so that a cold circulation loop is formed in the cooling area 13. The cooling module 7 of the present embodiment may be installed at the side of the cooling area 13, may also be installed at the bottom of the cooling area 13, may also be arranged outside the cooling area 13 and communicated with the cooling area 13 through a pipeline, and may also be arranged and installed according to the actual application position. During cooling, the adsorption unit 21 is cooled in the cooling zone 13 to activate the adsorption capacity of the solid adsorption medium, and the cooled adsorption unit 21 enters the adsorption zone 11 again to adsorb VOC and particles.
In one embodiment, the waste heat recovery assembly 3 includes a first fan 31 having an air inlet end communicated with the cooling area 13, a temperature regulation chamber 32 communicated with the air outlet end of the first fan 31, a second condenser 33 connected to the temperature regulation chamber 32, a temperature sensor 34 disposed in the temperature regulation chamber 32, and a second fan 35 communicated with the temperature regulation chamber 32, as shown in fig. 1. In the waste heat recovery, hot air generated by the cooling components in the cooling area 13 is pumped into the temperature adjusting chamber 32 by the first fan 31, cold air generated by the second condenser 33 enters the temperature adjusting chamber 32, the hot air and the cold air are mixed in the temperature adjusting chamber 32, a stirring device can be arranged in the temperature adjusting chamber 32 to facilitate rapid mixing of the hot air and the cold air, in addition, a temperature sensor 34 is arranged in the temperature adjusting chamber 32 to control the temperature of the air in the temperature adjusting chamber 32 to be at a proper temperature, and the air at the proper temperature is pumped to a spraying room or other workshops under the action of the second fan 35.
In one embodiment, the solid adsorption medium circulation component 2, the heating component 6, the cooling component 7, the first air circulation component 4 and the second air circulation component 5 are all connected to a PLC (programmable logic controller) electric control system, so that the components can be ensured to operate according to set requirements, and the automatic control of the components can be realized.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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 VOC waste gas treatment and purification device is characterized by comprising a shell (1), a solid adsorption medium circulation component (2), a waste heat utilization component (3), a first air circulation component (4) for guiding waste gas to the solid adsorption medium circulation component (2) and a second air circulation component (5) for guiding purified air to a workshop, wherein the first air circulation component (4), the second air circulation component (5) and the solid adsorption medium circulation component (2) are positioned inside the shell (1); the solid adsorption medium circulation component (2) comprises an adsorption zone (11), a heating zone (12) and a cooling zone (13) which are arranged inside the shell (1), a plurality of adsorption units (21) filled with solid adsorption media are arranged in the adsorption zone (11), the heating zone (12) and the cooling zone (13), a first lifting component (22) and a first electric push rod component (23) are arranged beside the adsorption zone (11) and the heating zone (12), the movement direction of the first lifting component (22) is perpendicular to the movement direction of the first electric push rod component (23), a second lifting component (24) and a second electric push rod component (25) are arranged beside the adsorption zone (11) and the cooling zone (13), the movement direction of the second lifting component (24) is perpendicular to the movement direction of the second electric push rod component (25), the heating zone (12) is provided with a heating component (6), the cooling area (13) is provided with a cooling component (7), and the cooling area (13) is communicated with a waste heat recovery component (3).
2. The VOC exhaust gas treatment and purification device according to claim 1, wherein the first air circulation component (4) comprises a first channel (41) arranged at the bottom of the housing (1), and a second channel (42) arranged at the side of the housing (1) and communicated with the first channel (41), wherein a first air guide fan (43) and an air guide plate are arranged in the second channel (42), and the air outlet of the first air guide fan (43) is guided to the adsorption unit (21) through the air guide plate; the second air circulation assembly (5) comprises a third channel (51) arranged at the top of the shell (1), and a second air guide fan for guiding purified air to a workshop is arranged in the third channel (51).
3. The VOC waste gas treatment and purification device according to claim 1, wherein the heating zone (12) and the cooling zone (13) are arranged side by side below the adsorption zone (11), and the bottom, the upper part and the side parts of the adsorption zone (11), the heating zone (12) and the cooling zone (13) are provided with a plurality of rollers which are rotatably connected with the housing (1).
4. The VOC exhaust gas treatment purification apparatus according to claim 3, wherein a plurality of adsorption units (21) are arranged in order in the adsorption zone (11), and a plurality of adsorption units (21) are arranged in order in the heating zone (12) and the cooling zone (13).
5. The VOC exhaust gas treating and purifying apparatus according to any one of claims 1 to 4, wherein the first elevating assembly (22) comprises a first motor (221), a first transmission assembly (222) and a first pallet (223), the first transmission assembly (222) is connected between the first motor (221) and the first pallet (223), and the adsorption unit (21) can be placed on the first pallet (223).
6. The VOC exhaust gas treating and purifying apparatus according to claim 5, wherein the second elevating assembly (24) comprises a second motor (241), a second transmission assembly (242) and a second pallet (243), the second transmission assembly (242) is connected between the second motor (241) and the second pallet (243), and the adsorption unit (21) can be placed on the second pallet (243).
7. The VOC exhaust gas treatment and purification device according to claim 6, wherein the first supporting plate (223) and the second supporting plate (243) are provided with inductive switches, and the side wall of the housing (1) is provided with travel switches for controlling the movement travel of the first supporting plate (223) and the second supporting plate (243), respectively.
8. The VOC waste gas treatment and purification device as claimed in claim 1, wherein the heating assembly (6) comprises a hot air blower (61) and a burner (62), the burner (62) is communicated with the heating zone (12), an air inlet of the hot air blower (61) is communicated with the heating zone (12), and an air outlet of the hot air blower (61) is communicated with the burner (62).
9. The VOC waste gas treatment and purification device as claimed in claim 1, wherein the cooling assembly (7) comprises a first condenser (71) and a cold air blower (72), the cold air blower (72) is arranged beside the first condenser (71), and an air outlet of the cold air blower (72) is communicated with the cooling area (13).
10. The VOC waste gas treatment and purification device as claimed in claim 1, wherein the waste heat recovery assembly (3) comprises a first fan (31) with an air inlet end communicated with the cooling area (13), the air outlet end of the first fan (31) is communicated with a temperature blending chamber (32), the temperature blending chamber (32) is connected with a second condenser (33), a temperature sensor (34) is arranged in the temperature blending chamber (32), and the temperature blending chamber (32) is communicated with a second fan (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010599510.0A CN112657308A (en) | 2020-06-28 | 2020-06-28 | VOC exhaust-gas treatment purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010599510.0A CN112657308A (en) | 2020-06-28 | 2020-06-28 | VOC exhaust-gas treatment purifier |
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| CN112657308A true CN112657308A (en) | 2021-04-16 |
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