CN213408171U - Fluidized bed adsorption purification device - Google Patents
Fluidized bed adsorption purification device Download PDFInfo
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- CN213408171U CN213408171U CN202021416494.9U CN202021416494U CN213408171U CN 213408171 U CN213408171 U CN 213408171U CN 202021416494 U CN202021416494 U CN 202021416494U CN 213408171 U CN213408171 U CN 213408171U
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Abstract
The embodiment of the utility model discloses fluidized bed adsorbs purifier, fluidized bed adsorbs purifier includes multilayer fluidized bed adsorption tower, material conveyor, dog-house, even distributing device, tripper, rotation scraper blade, air inlet, gas distribution device, fan, the supplementary cloth fan of wind-force, discharge opening, center rotate peripheral replacement unloading multi-functional fluidizer, top of the tower delivery pipe, the filter of airing exhaust. This scheme simple structure, gaseous purification is thorough, and the suitability is strong.
Description
Technical Field
The embodiment of the application relates to the technical field of air treatment, in particular to a fluidized bed adsorption purification device of a fluidized bed waste gas zero discharge system.
Background
In the production and manufacturing process of products in production workshops (such as gluing and bonding workshops in shoe making factories, printing workshops in printing factories, paint coating production workshops, various organic chemical product production workshops, glass fiber reinforced plastic product production workshops, paint spraying workshops, musical instruments, wooden furniture surface treatment workshops, tapes, leathers, adhesive production workshops and the like), a lot of harmful gases, such as common various VOC organic waste gases, are generated, and the problems of good and bad indoor air quality and waste gas emission become one of important problems in current research.
In the prior art, the fixed bed adsorption technology has low purification efficiency, unstable operation and frequent standard exceeding, and can not treat high-concentration waste gas; the absorption liquid absorption technology has a good treatment effect under high-concentration waste gas, but has low absorption efficiency, is not suitable for low-concentration treatment, and has a complicated regeneration separation system.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a fluidized bed of fluidized bed waste gas zero discharge system adsorbs purifier, simple structure, and gaseous purification is thorough, and the suitability is strong.
Specifically, the embodiment of the utility model provides a fluidized bed waste gas zero discharge system's fluidized bed adsorbs purifier includes: the device comprises a fluidized bed adsorption tower and a material conveying device which are arranged up and down, wherein one end of the upper part of the fluidized bed adsorption tower is provided with a feed inlet, the feed inlet is connected with a uniform distribution device, a discharger is arranged in the fluidized bed adsorption tower, the discharger is provided with a rotating scraper, one end of the lower part of the fluidized bed adsorption tower is provided with an air inlet, the air inlet is connected with a gas distribution device, organic waste gas collected by a workshop gas collecting pipeline is sent into the fluidized bed adsorption tower through the air inlet and the gas distribution device by an externally arranged fan, adsorption filler falls down in reverse contact with the organic waste gas after being uniformly distributed by the uniform distribution device under the action of an externally arranged wind power auxiliary distribution fan, and the organic waste gas is adsorbed and purified and then gradually falls onto a corresponding central rotating peripheral replacement discharging multifunctional fluidization device, and then synchronously rotating the central rotating peripheral replacement blanking multifunctional fluidizing devices at all levels according to a set program to ensure that the filler settled on the central rotating peripheral replacement blanking multifunctional fluidizing devices is discharged downwards step by step for replacement, the filler with the last-level adsorption saturation is discharged downwards onto a tower body bottom plate of a fluidized bed adsorption tower and is scraped into a discharge hole under the action of the rotating scraper and then falls into the material conveying device, and the purified gas reaches a tower top discharge pipe through a perforated baffle arranged in the fluidized bed adsorption tower, is filtered by an exhaust filter connected with the tower top discharge pipe and then is discharged up to the standard or/and is conveyed into a gas balancing device.
Optionally, the device further comprises a pre-filter connected to the blower, and the blower is further provided with a blower adjusting valve.
Optionally, the material conveying device is a storage tank type material conveying device, and the fluidized bed adsorption tower is supported by the tower body support column.
Optionally, the fluidized bed adsorption tower body is provided with an internal access hole.
Optionally, the gas distribution device is provided with a gas inlet connecting flange, the fluidized bed adsorption tower body is provided with a multi-stage center-rotation peripheral replacement blanking multifunctional fluidization device, the center-rotation peripheral replacement blanking multifunctional fluidization device is set according to a program to respectively realize fluidization and boiling of the filler in the adsorption period, downward discharge of the filler in the replacement period, and take over the filler replaced in the upper layer in the update period.
Optionally, the discharger is an electric scraper discharger, and a filler separation plate is arranged at the upper part of the uniform distribution device.
Optionally, a back-flushing cleaning robot is arranged on the filler separating plate, and the back-flushing cleaning robot is started in time to clean the filler separating plate according to the resistance change of the filler separating plate.
Optionally, the device further comprises a discharge device connected with the exhaust filter, and the discharge device is used for discharging the adsorption filler tiny particles generated by filtration of the exhaust filter and damaged by mutual friction of fillers in the adsorption process.
Optionally, the fluidized bed waste gas zero discharge system further comprises a gas collecting device and a desorption and regeneration device which are connected with the fluidized bed adsorption and purification device.
Optionally, the fluidized bed waste gas zero discharge system further comprises a gas balancing device connected with the gas collecting device, and a recovery device connected with the desorption regeneration device.
Drawings
Fig. 1 is a schematic structural diagram of a fluidized bed zero exhaust emission system according to an embodiment of the present invention;
fig. 2 is a block diagram schematically illustrating a structure of a fluidized bed adsorption purification device of a fluidized bed waste gas zero discharge system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a desorption regeneration device of a fluidized bed waste gas zero discharge system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cooling recovery device of a fluidized bed waste gas zero discharge system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a catalytic combustion apparatus of a fluidized bed zero exhaust emission system according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad embodiments of the invention. It should be further noted that, for convenience of description, only some structures, but not all structures, related to the embodiments of the present invention are shown in the drawings.
The scheme provides a fluidized bed adsorption purification device of a fluidized bed waste gas zero emission system, and the device and the whole fluidized bed waste gas zero emission system are specifically described as follows.
Fig. 1 is the embodiment of the utility model provides a fluidized bed waste gas zero discharge system's that fluidized bed structure schematic diagram, as shown in fig. 1, including gas collection device 100, fluidized bed absorption purifier 200, desorption regenerating unit 300, recovery unit 400, preprocessing device 500, gas balancing unit 600, workshop supply air duct 700.
The recovery device 400 includes an oxidizing combustion device 401 and a condensation recovery device 402.
In one embodiment, the system is located in a production plant that produces VOC organic gases, such as: shoemaking mill rubber coating bonding workshop, printing mill print shop, paint coating workshop, all kinds of organic chemicals workshop, glass steel product workshop, spray paint, spraying workshop, musical instrument, wood system furniture surface treatment workshop sticky tape, leather, adhesive workshop etc. produce a large amount of volatile organic waste gas in process of production, specific exhaust purification flow is:
Wherein, the adsorption filler with saturated adsorption is discharged from the bottom of the fluidized bed adsorption purification device 200 and enters the desorption regeneration device 300, and the filler after desorption regeneration circulates again to enter the fluidized bed adsorption purification device 200. Organic components generated in the desorption and regeneration process enter the recovery device 400 for recovery treatment.
The specific system architecture and process flow will now be described as follows:
fig. 2 is a schematic structural diagram of a fluidized bed adsorption purification device of a fluidized bed waste gas zero discharge system provided by the embodiment of the present invention. Wherein the pretreatment device is composed of a prefilter 18 in the figure. The fluidized bed adsorption purification device 200 comprises a fan 19, a fan regulating valve 20, a storage tank type material conveying device 11, a fluidized bed adsorption tower 3, an electric scraper type discharger 13 which is arranged in the fluidized bed adsorption tower 3 and is arranged on the fluidized bed adsorption tower body, a tower body support pillar 14, a rotating scraper 15, an internal access hole 16, a gas distributor 17, a gas inlet connecting flange 1, a central rotating peripheral replacement blanking multifunctional fluidizing device 2, a component annular storage tank 2.0, an overflow weir 2.1, an annular storage tank bottom plate 2.2 and an annular blanking pore plate 2.3, the device comprises a connecting shaft 2.4, a shaft connector 2.5, a filler scraper 2.6, a tube plate support 2.7, a perforated screen 2.8, a feed opening 4, a uniform distribution device 5, a wind power auxiliary distribution fan 5.1, a filler separating plate 6, an exhaust purification filter 7, a crushed material dust discharge valve 8, an exhaust connecting pipe 9 and an exhaust outlet 10.
The gas sent from a workshop gas collecting pipeline by a fluidized bed adsorption tower 3 firstly enters a prefilter 18, then is sent into the fluidized bed adsorption tower by a fan 19, enters a gas distribution device 17 through a gas inlet 1, upwards and uniformly passes through a central rotating peripheral replacement blanking multifunctional fluidization device perforated screen 2.8 step by step through the gas distribution device 17, enters a fluidized bed adsorption tower body, is added from the upper part of the tower body through a feeding port 4, is uniformly distributed by a material distribution fan 5.1 under the action of wind power, then is downwards scattered through a material distribution device 5, and is in reverse contact with the organic waste gas, under the action of set wind speed in the tower, the adsorption filler on the perforated screen of each layer of the central rotating peripheral replacement blanking multifunctional fluidization device is suspended in the tower in a fluidized state and is in full contact with gas containing organic components, so that the adsorption filler is adsorbed in a micropore structure in the adsorption filler, after effective adsorption within a set time, the specific gravity of the adsorption filler which is gradually saturated by adsorption is increased, and the adsorption filler is downwards settled on the central rotating peripheral replacement blanking multifunctional fluidizing device of the corresponding level, the central rotating peripheral replacement blanking multifunctional fluidizing device respectively realizes that the filler of each level is fluidized and boiled in the adsorption period, the filler is discharged downwards in the replacement period by rotating and inclining according to the program setting, and the filler which is replaced from the upper layer is received in the updating period.
The central rotating peripheral replacement blanking multifunctional fluidizing device 2 can rotate synchronously at proper time according to program setting, the filler scraper 2.6 scrapes adsorption filler into a peripheral annular storage tank 2.0 through an overflow weir 2.1, and then the adsorption filler is discharged onto a perforated screen plate 2.8 of the next-stage central rotating peripheral replacement blanking multifunctional fluidizing device through a perforated plate 2.3 of the annular storage tank 2.0, the adsorption filler continues to fluidize and boil under the upward floating action of wind power and is fully contacted with air flow from bottom to top to continuously adsorb organic waste gas components in the gas, and the adsorption filler is discharged synchronously step by step until the lowest-stage adsorption saturation is reached.
When the center of the bottommost layer rotates and the periphery replaces the discharging multifunctional fluidization device to discharge and adsorb saturated filler to the bottom plate of the tower body, according to the program setting, the vibration feeder 35.3 on the feeding high-level tank 35 of the supplementary feeding device is started, the CF3 feeding valve is opened, the adsorption filler needing to be quantitatively supplemented passes through the feeding port 4 under the action of the wind power auxiliary material distributing fan 5.1, is uniformly distributed by the material distributing device 5 and then is downwards scattered for timely supplementing the adsorption filler, meanwhile, the saturated absorption filler settled on the bottom plate of the tower body is scraped into the discharge hole 12 and falls into the storage tank type feeding device 11 under the action of the rotating motor 13 pushing the rotating scraper device 15, under the action of a negative pressure wind power conveying device 34.2 arranged on the upper surface of the regeneration high-level tank 34, the adsorption filler which enters the storage tank type feeding device 11 and is saturated in adsorption and needs to be regenerated is conveyed to the regeneration high-level tank 34.
The gas after being adsorbed and purified is blocked by the filler-penetrating separating plate 6 (the adsorption filler is controlled to penetrate), the gas enters the exhaust filter 7 from the tower top discharge pipe 9, the filtered gas circularly enters the gas balancing device 600 through the circulating pipeline (the gas of the system without the circulating recycling condition is directly discharged), and the adsorption filler micro-particles generated by filtering through the exhaust filter 7 and damaged by mutual friction of the filler in the adsorption process are regularly cleaned and are sent to the waste collecting device for recycling through the discharging device 8.
The filler separating plate 6 can cause mesh blockage in the long-term use process, the normal and stable operation of the system is influenced, the back-flushing cleaning robot 6.1 is configured on the filler separating plate 6, the back-flushing cleaning robot 6.1 can be started in time according to the resistance change of the filler separating plate 6, the back-flushing cleaning robot 6.1 can clean the filler separating plate 6 completely within the set time according to the set route, then the filler separating plate returns to the original position for standby charging, and therefore the system is ensured to be in a good operation state all the time.
The fluidized bed adsorption purification device is connected with the gas collecting device, the gas collecting device is composed of a gas collecting pipeline main pipe, gas collecting pipeline branch pipes and a backflow gas distribution pipeline, organic waste gas generated in the production process in a production workshop enters the gas collecting pipeline main pipe, is collected and then flows into the fluidized bed adsorption purification device 200 after being pretreated through the gas collecting pipeline branch pipes which are evenly distributed.
Fig. 3 is a schematic structural diagram of a desorption regeneration device of a fluidized bed zero emission system according to an embodiment of the present invention, as shown in fig. 3, the desorption and regeneration device includes a storage tank type material conveying device 31 and an air supply adjusting valve 32, a desorption and regeneration device 33 which is used one by one or more according to the process requirement, a regeneration high-level tank 34 and a vibration blanking device 34.3 arranged thereon, an in-tank filter 34.1, an auxiliary wind conveying device 34.2, a feeding high-level tank 35 and a vibration blanking device 35.3 arranged thereon, an in-tank filter 35.1, an auxiliary wind conveying device 35.2, a cooling fan 38, a hot air fan 39, a desorption heat-conducting medium heat source 39.1, a heat-conducting medium circulating pump 39.2, a conveying pipeline 39.3, a return pipeline 39.4 and a valve assembly on the circulating pipeline thereof, a replacement gas heating device 37, a nitrogen storage tank 36 and a valve assembly on the corresponding device, and the like. Under the action of a wind-assisted material distribution fan 34.2 arranged on a regeneration high-level tank 34, a storage tank type material conveying device 11 arranged at the lower part of the fluidized bed adsorption purification device conveys adsorption saturated adsorption filler to the regeneration high-level storage tank 34, air in material conveying airflow returns to an air inlet of an air inlet adjusting valve 11.1 of the storage tank type material conveying device 11 through an in-tank filter discharge pipeline for recycling, the filler in the high-level storage tank 34 is fed to a regeneration desorption device 33 through an opened discharge valve CF1 under the action of a vibration feeder 34.3, at the moment, an inlet valve GF1 of the regeneration desorption device 33 is opened, an outlet valve GF2 of the regeneration desorption device 33 is closed, an atmosphere communication valve F9 of the regeneration desorption device 33 is opened for charging, after the regeneration desorption device 33 is filled, the closed discharge valve CF1, the atmosphere communication valve F9 and an inlet and outlet valve GF1, GF2, the regeneration desorption device 33 is in a standby desorption state to be regenerated; at this time, the other set of regenerative desorption devices 33 enters the charging process according to the same process.
When the regeneration desorption device 33 enters a regeneration desorption operation program according to program requirements, the regeneration air valves F1, F2, FZ9 on the regeneration desorption device 33 are opened, and F3 and F4 are closed; starting a desorption heat-conducting medium heat source 39.1, a heat-conducting medium circulating pump 39.2, opening a valve FZA on a conveying pipeline 39.3, a return pipeline 39.4 and a valve FZB on a valve component on the circulating pipeline, when the internal temperature of the circulating heating regeneration device reaches a set index, then starting a replacement gas source heating device 37, a hot air fan 39 and valves KF1, DF1, RF1, RF2 and F12 on an air-conditioning heating pipeline for hot air replacement, and when the gas temperature and the organic gas concentration reach the set index, starting FZ10, and sending the high-temperature and high-concentration organic gas to a condensation recovery system and/or an RTO regenerative combustion and/or RCO catalytic combustion system selected according to the process requirements.
After the regeneration desorption is completed, the system enters a regeneration desorption device cooling program, at this time, regeneration air valves F2, F2 and FZ9 on the regeneration desorption device 33 are closed, the desorption heat-conducting medium heat source 39.1 is closed, the heat-conducting medium circulating pump 39.2 is closed, the valve FZA on the conveying pipeline 39.3 and the valve assembly FZB on the return pipeline 39.4 are closed, and F3 and F4 are opened; and (3) closing the heating device 37, starting the cooling fan 38, and sending the cooled gas to a heat exchanger 47 of the condensation recovery system 04 to recover the cold energy in the discharged gas after condensation recovery, so as to reduce the energy consumption of the system.
And when the set of regeneration desorption device finishes the cooling operation procedure, the unloading procedure is started, and the other set of regeneration desorption device finishes the charging procedure starts the heating regeneration operation procedure.
And (3) after the regeneration desorption device finishes cooling and enters a discharging procedure, at the moment, the discharging valves CF2 are opened, the storage tank type material conveying device 31 and the fan 35.2 of the wind power auxiliary feeding device above the feeding high-level tank 35 are started, the regenerated adsorption filler is conveyed to the feeding high-level tank 35, after discharging is finished, the discharging valves CF2 are closed, the storage tank type material conveying device 31 and the fan 35.2 of the wind power auxiliary feeding device above the feeding high-level tank 35 are closed, and the system is in a feeding standby state.
When the operation program needs to supplement the feeding, the vibration feeding device 35.3 on the feeding high-level tank 35 is started, the feeding valves CF2 are opened, the wind power auxiliary material distribution fan 5.1 on the fluidized bed adsorption tower enters the supplementary filling into the material distribution device 5 through the feed inlet 4, under the action of auxiliary wind power, the supplementary adsorption filler is uniformly distributed on the upper part of the fluidized bed adsorption tower, the waste gas coming from the lower part of the adsorption packing material is in a suspension state and rolls up and down, the adsorption packing material particles are fully mixed and fully contacted with organic molecules in the waste gas, thereby being fully and effectively adsorbed, the specific gravity of the adsorption filler particles is gradually increased along with the increase of the adsorption quantity, under the action of self gravity, the device gradually overcomes sinking resistance (thrust of upward airflow) until the device is saturated and then settles on a body bottom plate, and the device is scraped into a discharge hole 12 by a rotary scraper and falls into a storage tank type conveying device 11 to form a circulating process after adsorption filler regeneration.
Fig. 4 is the utility model provides a fluidized bed waste gas zero discharge system's cooling recovery unit's that fluidized bed waste gas zero release system's structural schematic diagram, as shown in fig. 4, cooling recovery unit is by condensation recovery fan 40, condenser 43, condenser 45, condensate storage tank 44, condensate storage tank 46, heat exchanger 47, the function valve who connects is gone up to refrigerating unit 42 and cooling tower 41 and corresponding equipment constitutes, the organic waste gas of high concentration that desorption regeneration unit produced is through ZF10, LF5, LF3 send into 1# condenser 43, the organic component of low boiling in with the gas condenses into liquid, discharge 1# condensate storage tank 44 through LF 1; then, the uncondensed high-boiling-point components enter a 2# condenser 45 through FZ7 and LF4, the high-boiling-point organic components in the gas are condensed into liquid, and the liquid is discharged to a 2# condensate storage tank 46 through LF 2; the low-temperature gas which is separated after condensation and contains a small amount of non-condensable gas and air is introduced into the heat exchanger 47 to exchange heat with the air entering the cooling fan, part of cold energy is recycled, and the energy consumption of the whole system is reduced. The air flow after cold quantity exchange is sent to the gas inlet 1 of the fluidized bed adsorption tower of the fluidized bed adsorption purification device and enters the fluidized bed adsorption tower again for adsorption.
Fig. 5 is a structural schematic diagram of the catalytic combustion device of the fluidized bed waste gas zero discharge system that the embodiment provided, as shown in fig. 5, the catalytic combustion device comprises fan 50 and catalytic combustion device and supporting function RF6 valve, the high concentration organic waste gas that the burning fan will regenerate desorption device and produce is sent to the catalytic combustion device through air distribution valve F12 and ST1 adjustment concentration and is carried out low temperature catalytic combustion, burn organic waste gas and become carbon dioxide and water, before discharging to the atmospheric environment, earlier retrieve partial heat through heat exchanger 52, make the combustion waste gas who comes from fluidized bed absorption purifier that needs the heating and pass through heat exchanger and emission carry out the heat exchange, gas through the heat exchanger temperature rise guides to heating device 37, send to the air heater after further heating. The combustion waste gas releasing heat is discharged, in a continuous operation system, the heat in the discharged waste gas after combustion passes through a heat exchanger, part of heat is recovered, the heat exchanger is used for heating heat exchange medium heat conduction oil or nitrogen gas required by desorption regeneration, and the energy consumption of the whole system is reduced.
In the specific system design, a heat storage combustion device can be selected, the process is similar to catalytic combustion, only the catalytic combustion utilizes a catalyst for low-temperature catalytic combustion, the heat storage combustion is high-temperature combustion, and the furnace body adopts a heat storage material to heat the gas before combustion through heat storage, so that the effect of energy conservation is achieved.
And for a system with smaller scale, the continuous operation is inconvenient, and the direct combustion of the inner flame type torch can be adopted, so that the operation cost is lower, and the control and the operation management are simpler.
As can be seen from the above description of the specific process flow and system structure, the main structural features of the present solution include:
1) fluidized bed adsorption tower structure with simple structure
2) Airflow-assisted uniform distributing device
3) Electric rotary scraper type discharging device
4) Multipurpose heating and regenerating device
5) Multifunctional device for center rotating and periphery replacement blanking
6) Adapting various post-treatment devices (regenerative combustion RTO, catalytic combustion RCO, condensation recovery, direct internal flame torch combustion, etc.)
The main protection points and the beneficial effects are as follows:
1) fluidized bed structure, tower bottom scraper unloading device, wind power auxiliary feeding and distributing device and robot back-blowing cleaning device
2) Zero emission of waste gas circulation treatment
3) Storage tank type collecting and feeding device
4) The multi-bed parallel regeneration desorption process has the advantages that a heat-conducting oil heat source and process gas are circularly operated without being discharged (heating: indirectly heating the heat conducting oil; gas agitation accelerated heat transfer medium: a plurality of sets of filtered and purified air are connected in parallel, one set is finished, the other set is started, and the waste heat and the gas are recycled; condensing medium: adopting organic gas steam mixed with quantitative gas according to the requirements of a post-treatment process, wherein the temperature is as follows: high temperature, two-stage or three-stage condensation, the organic vapor phase is changed into liquid and then recovered, the released latent heat firstly heats the gas used for circulation, and the gas returns to the adsorption system after the temperature is reduced; the first-stage condenser adopts gas-liquid two-stage condensation, firstly performs gas-gas heat exchange to recover heat, then further performs liquid-gas condensation according to condensation requirements to recover organic components
5) The center rotation periphery replacement blanking multifunctional device is synchronously driven by an electric rotation scraper type unloading device motor, each layer is fixed by a vertical rotating shaft and a rotating shaft connector, the center rotation periphery replacement blanking multifunctional device respectively realizes filler fluidization boiling and scraper rotation replacement blanking according to program setting, and the function of bearing the filler replaced from the upper layer ensures the adsorption effect.
6) The multi-heat-source heat exchange type regeneration desorption device is heated by mixing heat conduction oil and gas, the heat conduction oil is high in temperature and cannot expand, the pipeline valve is simple in configuration, the pressure of a container does not need to be considered, and the operation safety is good.
Compared with the prior art, the scheme has the advantages of simple structure, thorough gas purification and strong applicability.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the embodiments of the present invention are not limited to the particular embodiments described herein, but are capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the embodiments of the invention. Therefore, although the embodiments of the present invention have been described in greater detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and many other equivalent embodiments can be included without departing from the concept of the embodiments of the present invention, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The fluidized bed adsorption purification device is characterized by comprising a fluidized bed adsorption tower and a material conveying device, wherein the fluidized bed adsorption tower and the material conveying device are arranged from top to bottom, a feed port is arranged at one end of the upper portion of the fluidized bed adsorption tower, the feed port is connected with an even material distribution device, a discharger is installed in the fluidized bed adsorption tower and provided with a rotating scraper, an air inlet is arranged at one end of the lower portion of the fluidized bed adsorption tower, a gas distribution device is arranged at one end of the lower portion of the fluidized bed adsorption tower and connected with the air inlet, organic waste gas collected by a workshop gas collection pipeline is conveyed into the fluidized bed adsorption tower through the air inlet and the gas distribution device through an externally arranged fan, adsorption filler is in reverse contact with the organic waste gas under the action of an externally arranged wind power auxiliary material distribution fan, falls after being evenly distributed through the even material distribution device, and gradually falls to a corresponding center rotating peripheral And then synchronously rotating the central rotating peripheral replacement blanking multifunctional fluidizing devices at all levels according to a set program to enable the filler settled on the central rotating peripheral replacement blanking multifunctional fluidizing devices to gradually discharge downwards for replacement, discharging the filler with the last level of adsorption saturation onto a tower body bottom plate of a fluidized bed adsorption tower, scraping the filler into a discharge hole under the action of the rotating scraper and then dropping into the material conveying device, enabling the purified gas to reach a tower top discharge pipe through a perforated baffle net arranged in the fluidized bed adsorption tower, and filtering the gas through an exhaust filter connected with the tower top discharge pipe to reach the standard and discharge and/or send the gas into a gas balancing device.
2. The fluidized bed adsorption purification apparatus of claim 1, further comprising a pre-filter coupled to the blower, wherein the blower is further configured with a blower adjustment valve.
3. The fluidized bed adsorption purification device of claim 1, wherein the material conveying device is a tank type material conveying device, and the fluidized bed adsorption tower is supported by the tower body supporting columns.
4. The fluidized bed adsorption purification apparatus of claim 1, wherein an internal access hole is provided in the fluidized bed adsorption tower body.
5. The fluidized bed adsorption purification device of claim 1, wherein the gas distribution device is provided with a gas inlet connecting flange, and a gas uniform distribution pipeline is arranged at the upper part of the gas distribution device.
6. The fluidized bed adsorption purification device of claim 1, wherein a multi-stage center-rotation periphery-replacement-blanking multifunctional fluidizing device is arranged on the fluidized bed adsorption tower body, and the center-rotation periphery-replacement-blanking multifunctional fluidizing device is respectively used for fluidizing and boiling the filler in the adsorption period, discharging the filler in the replacement period, and receiving the upper-layer replaced filler in the update period according to program setting.
7. The fluidized bed adsorption purification apparatus of claim 1, wherein said discharger is a motorized scraper discharger.
8. The fluidized bed adsorption purification device of claim 6, wherein a back-blowing cleaning robot is disposed on the filler separation plate, and the back-blowing cleaning robot starts cleaning the filler separation plate in time according to the resistance change of the filler separation plate.
9. The fluidized bed adsorption purification apparatus according to claim 1, further comprising a discharge device connected to the exhaust filter, wherein the discharge device is used for discharging the adsorption filler particles generated by the exhaust filter after the adsorption process is damaged due to the mutual friction of the fillers.
10. The fluidized bed adsorption purification device according to any one of claims 1 to 9, further comprising a gas collection device and a desorption regeneration device connected to the fluidized bed adsorption purification device, a gas balancing device connected to the gas collection device, and a recovery device connected to the desorption regeneration device.
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| CN202021416494.9U CN213408171U (en) | 2020-07-17 | 2020-07-17 | Fluidized bed adsorption purification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113856410A (en) * | 2021-09-27 | 2021-12-31 | 石榴智能科技(江苏)有限公司 | Multi-circulating fluidized bed adsorption concentration reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856410A (en) * | 2021-09-27 | 2021-12-31 | 石榴智能科技(江苏)有限公司 | Multi-circulating fluidized bed adsorption concentration reaction device |
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