CN213050008U - Heat preservation formula active carbon adsorption device - Google Patents

Heat preservation formula active carbon adsorption device Download PDF

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Publication number
CN213050008U
CN213050008U CN202020964055.5U CN202020964055U CN213050008U CN 213050008 U CN213050008 U CN 213050008U CN 202020964055 U CN202020964055 U CN 202020964055U CN 213050008 U CN213050008 U CN 213050008U
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carbon adsorption
activated carbon
air inlet
waste gas
air outlet
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CN202020964055.5U
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陆信章
陈维
雷鹏宽
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Guangzhou Chengda Environmental Protection Equipment Engineering Co ltd
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Guangzhou Chengda Environmental Protection Equipment Engineering Co ltd
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Abstract

The utility model provides a heat preservation formula active carbon adsorption device, including the box, set up on this box and all be equipped with waste gas air intake, hot-blast air outlet, the waste gas air outlet of pneumatic push-pull valve and be equipped with a cold wind air intake of a solenoid valve, follow in this box the waste gas air intake has set gradually a first flow uniform cloth layer, an air-out thermodetector, the active carbon adsorption layer of predetermined quantity, an air inlet thermodetector and a second flow uniform cloth layer to this waste gas air outlet direction, is provided with a heat preservation on this box, and this air inlet thermodetector, this air-out thermodetector and this solenoid valve and a controller control connection, the controller is received the air inlet thermodetector with air-out thermodetector's temperature detect signal, and control opening and closing of solenoid valve. This heat preservation formula active carbon adsorption device exhaust purification efficiency and effect are good, the high and long service life of active carbon's high-usage, the energy consumption is low.

Description

Heat preservation formula active carbon adsorption device
Technical Field
The utility model relates to an environmental protection equipment technical field especially relates to a heat preservation formula active carbon adsorption device.
Background
At present, environmental protection is an international problem concerning human survival, environmental protection departments increasingly pay more attention to the emission condition of waste gas in the production process of factories, and the waste gas generated by the factories can be emitted into the atmosphere after being purified according to the regulation of plain texts. With the rapid development of economy in China, aromatic solvents such as toluene and xylene, and lamp solvents such as alcohols, esters and ketones are used in a large amount in the industrial fields of printing, packaging and tanning lamps, a large amount of organic waste gas is generated, and serious environmental pollution is caused if the organic waste gas is not treated. At present, various principle treatment methods such as an organic waste gas activated carbon adsorption treatment method, a catalytic combustion method, a catalytic oxidation method, an acid-base neutralization method and the like are commonly adopted in organic waste gas treatment. In the industry, an activated carbon adsorption method is generally adopted for saving initial investment: the waste gas is adsorbed by the activated carbon, after the adsorption is saturated, the activated carbon is desorbed and regenerated, the waste gas is blown off and then is catalytically combusted to be converted into harmless substances, the regenerated activated carbon is continuously used, and after the activated carbon is regenerated for a certain number of times, the adsorption capacity is obviously reduced, so that the activated carbon needs to be replaced.
The activated carbon adsorption method is the method which is most used for treating organic waste gas at present, but most of the adsorption layers of the activated carbon adsorption tanks are generally only provided with one layer, so that untimely adsorption can be caused when the waste gas amount is large, the adsorption efficiency is influenced, the adsorption layers have large air flow resistance and high energy consumption, heat accumulation is easy to occur, and the danger of fire is easy to occur to low-boiling-point substances (such as ketones); in addition, the thermal insulation performance is poor, and during the desorption stage, the high-temperature steam and the wall of the box body form a large temperature difference, so that the desorption temperature of a large-area elastic layer is insufficient, the local temperature is too high, the desorption efficiency is influenced, and the energy consumption is increased.
It is necessary to provide an activated carbon adsorption device with high adsorption efficiency and desorption efficiency, safety, low energy consumption and convenient activated carbon replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adsorption efficiency and desorption efficiency height, safety, energy consumption are low, convenient heat preservation formula active carbon adsorption device is changed to active carbon.
In order to achieve the above object, the present invention provides a heat preservation type activated carbon adsorption device, which comprises a box body, wherein the upper part of the box body is provided with a waste gas air inlet, a hot air outlet and a cold air inlet, the lower part of the box body opposite to the waste gas air inlet is provided with a waste gas outlet and a hot air inlet, the waste gas outlet, the hot air inlet and the hot air outlet are provided with pneumatic gate valves, the cold air inlet is provided with a solenoid valve, a first flow equalizing cloth layer, an air outlet temperature detector, a predetermined number of activated carbon adsorption layers, an air inlet temperature detector and a second flow equalizing cloth layer are sequentially arranged in the box body along the direction from the waste gas air inlet to the waste gas outlet, the box body is provided with a heat preservation layer, the air inlet temperature detector, the air outlet temperature detector and the solenoid valve, the controller receives temperature detection signals of the air inlet temperature detector and the air outlet temperature detector and controls the opening and closing of the electromagnetic valve.
Further preferably, a predetermined number of sliding grooves are formed in the box body, and each activated carbon adsorption layer is clamped in the sliding grooves in a sliding manner.
Further preferably, an access door is arranged on the box body, and the access door corresponds to the activated carbon adsorption layer in position.
Further preferably, the width of the chute is gradually narrowed along the direction from the waste gas air inlet to the waste gas air outlet, each activated carbon adsorption layer is in sliding connection with the chute through a connecting rod arranged on the activated carbon adsorption layer, the width of the connecting rod on the activated carbon adsorption layer is gradually narrowed along the direction from the waste gas air inlet to the waste gas air outlet, and the activated carbon adsorption layers are equidistant.
Further preferably, the activated carbon adsorption layer comprises an activated carbon frame and honeycomb activated carbon filled in the activated carbon frame.
Preferably, the box body is of a double-layer structure, and heat insulation cotton is filled between layers to form the heat insulation layer.
Further preferably, a flame arrester is arranged on the waste gas air inlet, and a fireproof heat-insulating layer is arranged on the inner wall of the box body.
Further preferably, the external nitrogen gas storage jar of cold wind air intake, nitrogen gas storage jar is connected with a nitrogen generator.
The utility model has the advantages that: this heat preservation formula active carbon adsorption device exhaust purification efficiency and effect are good, the high-usage and the long service life of active carbon, and the energy consumption is low, and the security is good, and the active carbon adsorption layer is changed simple and conveniently. The heat-insulating layer and the fireproof heat-insulating layer are arranged, so that the problem that high temperature difference is formed between high-temperature steam and the box body in a desorption stage to influence desorption efficiency is effectively avoided; on the other hand, the flame arrester and the fire-resistant insulating layer can effectively prevent inflammable gas from igniting or fire from spreading; the arrangement of the first flow equalizing cloth layer and the second flow equalizing cloth layer enables waste gas and high-temperature steam to uniformly distribute and be led to the activated carbon adsorption layer after entering, so that adsorption and desorption are uniform, the utilization rate and the service life of activated carbon are improved, the waste gas adsorption and purification and activated carbon desorption efficiency and effect are ensured, and energy consumption is reduced; the active carbon adsorption layers are arranged in multiple layers, so that the adsorption and purification effect superposition effect is formed, and the waste gas purification efficiency and effect are greatly improved; but air inlet thermodetector with air outlet thermodetector real time monitoring and regulation temperature in the box, when detecting desorption high temperature, let in low temperature nitrogen gas for the overtemperature protection of desorption in-process active carbon, and then guarantee desorption efficiency, in addition, after desorption process is accomplished, let in low temperature nitrogen gas, be used for the active carbon heating desorption after-cooling, shorten cooling time, improve work efficiency.
Drawings
Fig. 1 is a schematic structural view of a heat-preservation activated carbon adsorption device according to a first embodiment.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a heat preservation type activated carbon adsorption device, which includes a box body 1, wherein the box body 1 adopts a double-layer structure, and heat preservation cotton is filled in the box body to form a heat preservation layer 2. The upper portion of box 1 is provided with waste gas air intake 3 and hot-blast air outlet 4, and is relative the lower part of box 1 is provided with waste gas air outlet 5 and hot-blast air intake 6, waste gas air intake 3 waste gas air outlet 5 hot-blast air intake 6 reaches be provided with pneumatic push-pull valve 7 on the hot-blast air outlet 4, be provided with the spark arrester on the waste gas air intake 3, the inner wall of box 1 is provided with fire-resistant heat preservation 2. The heat preservation 2 with the cooperation of fire-resistant heat preservation 2 effectively avoids desorption stage high-temperature steam with 1 wall of box forms higher difference in temperature, influences desorption efficiency.
A first flow equalizing cloth layer 8, an outlet air temperature detector 9, a predetermined number of activated carbon adsorption layers 10, an inlet air temperature detector 12 and a second flow equalizing cloth layer 13 are sequentially arranged in the box body 1 along the direction from the waste gas inlet 3 to the waste gas outlet 5, the upper part of the box body 1 is also provided with a cold air inlet 11, the cold air inlet 11 is provided with an electromagnetic valve 111, the inlet air temperature detector 12, the outlet air temperature detector 9 and the electromagnetic valve 111 are in control connection with a controller, the cold air inlet 11 is externally connected with a nitrogen storage tank which is connected with a nitrogen making machine, the inlet air temperature detector 12 and the outlet air temperature detector 9 are respectively used for detecting the inlet air temperature and the outlet air temperature of hot air, and transmits the temperature detection data to the controller, which controls the opening and closing of the solenoid valve 111 according to the temperature detection data. But real time monitoring and regulation during so desorption box 1 internal temperature works as air inlet thermodetector 12 with air outlet thermodetector 9 detects when desorption temperature is too high, the controller control solenoid valve 111 is opened, and low temperature nitrogen gas lets in the box 1 for the overtemperature prote of desorption in-process active carbon, and then guarantee desorption efficiency, in addition, after desorption process is accomplished, let in low temperature nitrogen gas, be used for the active carbon to heat the cooling after the desorption, shorten cooling time, improve work efficiency.
The active carbon adsorption layer 10 includes the active carbon frame and fills the honeycomb active carbon of active carbon frame, if use medium cylindricality active carbon to purify, it stacks too much in the exhaust-gas treatment tower, can lead to the windage too big, and waste gas can't pass through from the active carbon, can't reach the purifying action, nevertheless if stack too little, purifying effect can't reach national standard again, and honeycomb active carbon purifying effect is good, and the wind speed resistance is little, can reach national waste gas one-level emission standard completely. A predetermined number of sliding chutes are arranged in the box body 1, and each activated carbon adsorption layer 10 is connected with the sliding chutes in a sliding manner through connecting rods arranged on the activated carbon frames. An access door 14 is arranged on the box body 1, and the access door 14 corresponds to the position close to the waste gas air inlet 3 and the position of the activated carbon adsorption layer 10. Follow waste gas air intake 3 extremely 5 directions of waste gas air outlet spout width is gradually narrow, follows waste gas air intake 3 extremely 5 directions of waste gas air outlet respectively connecting rod width is gradually narrow, works as each active carbon adsorption layer 10 passes through the connecting rod is pegged graft in the spout, each connecting rod width with the spout width corresponds, makes each active carbon adsorption layer 10 joint respectively is in the not co-altitude position of spout makes active carbon adsorption layer 10 layering, each equidistance between active carbon adsorption layer 10 to when carrying out waste gas adsorption purification, accessible multilayer stack adsorbs, improves purification efficiency and effect. After multiple desorption, when the adsorption effect of each activated carbon adsorption layer 10 becomes poor and needs to be replaced, the access door 14 can be opened, each activated carbon adsorption layer 10 is taken out and the honeycomb activated carbon is replaced, then the activated carbon adsorption layers 10 are correspondingly installed, and then the access door 14 is closed, so that the replacement is simple and convenient, and the service life of the equipment is long.
When the heat preservation type active carbon adsorption device carries out the adsorption and purification of waste gas, the waste gas enters from the waste gas air inlet 3, the waste gas is uniformly distributed through the first flow uniform cloth layer 8, the problem that the adsorption and purification efficiency and the effect are not good due to the fact that the waste gas is accumulated through each active carbon adsorption layer 10 is avoided, then the gas after the adsorption and purification of the active carbon adsorption layer 10 is discharged through the waste gas air outlet 5, when the using time is too long, the active carbon adsorption layer 10 is saturated in adsorption, the waste gas air inlet 3 and the waste gas air outlet 5 can be closed when the gas discharge does not reach the standard, the hot air inlet 6 and the hot air outlet 4 are opened, high-temperature steam enters through the hot air inlet 6, and after the second flow uniform cloth layer 13, the high-temperature steam uniformly passes through the active carbon adsorption layer 10 to carry out the temperature rise and desorption on each active carbon, the desorbed gas is discharged through the hot air outlet 4 and sent to a subsequent treatment process.
In addition, the arrangement of the air inlet temperature detector 12, the air outlet temperature detector 9 and the cold air inlet 11 enables the temperature in the box body 1 to be monitored and adjusted in real time during desorption, so that the desorption efficiency is further ensured; on the other hand, the flame arrester and the fire-resistant insulating layer 2 can effectively prevent inflammable gas from igniting or spreading; the arrangement of the first flow equalizing cloth layer 8 and the second flow equalizing cloth layer 13 enables waste gas and high-temperature steam to uniformly distribute and be led to the activated carbon adsorption layer 10 after entering, so that adsorption and desorption are uniform, the utilization rate and the service life of activated carbon are improved, the waste gas adsorption and purification and activated carbon desorption efficiency and effect are ensured, and the energy consumption is reduced; the multilayer active carbon adsorption layer 10 sets up, forms the adsorption and purification effect stack effect, greatly increased exhaust purification efficiency and effect.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims (8)

1. A heat preservation type active carbon adsorption device comprises a box body and is characterized in that a waste gas air inlet, a hot air outlet and a cold air inlet are arranged on the upper portion of the box body, a waste gas air outlet and a hot air inlet are arranged on the lower portion, opposite to the box body, of the box body, a pneumatic gate valve is arranged on the waste gas air inlet, the waste gas air outlet, the hot air inlet and the hot air outlet, a solenoid valve is arranged on the cold air inlet, a first flow equalizing cloth layer, an air outlet temperature detector, a preset number of active carbon adsorption layers, an air inlet temperature detector and a second flow equalizing cloth layer are sequentially arranged in the box body along the direction from the waste gas air inlet to the waste gas outlet, a heat preservation layer is arranged on the box body, the air inlet temperature detector, the air outlet temperature detector and the solenoid valve are in control, the controller receives temperature detection signals of the air inlet temperature detector and the air outlet temperature detector and controls the opening and closing of the electromagnetic valve.
2. The insulated activated carbon adsorption unit of claim 1, wherein a predetermined number of chutes are provided in the housing, and each of the activated carbon adsorption layers is slidably engaged in the chute.
3. The insulated activated carbon adsorption unit of claim 2, wherein the housing has an access door corresponding to the activated carbon adsorption layer.
4. The insulated activated carbon adsorption unit of claim 3, wherein the chute is tapered in width along a direction from the exhaust air inlet to the exhaust air outlet, each of the activated carbon adsorption layers is slidably connected to the chute by a connecting rod provided thereon, the connecting rod on each of the activated carbon adsorption layers is tapered in width along a direction from the exhaust air inlet to the exhaust air outlet, and the activated carbon adsorption layers are equidistant.
5. The insulated activated carbon adsorption unit of claim 1, wherein the activated carbon adsorption layer comprises an activated carbon frame and honeycomb activated carbon filled in the activated carbon frame.
6. The heat-preservation activated carbon adsorption device according to claim 1, wherein the box body has a double-layer structure, and heat-preservation cotton is filled between layers to form the heat-preservation layer.
7. The heat-preservation activated carbon adsorption device according to claim 1, wherein a flame arrester is arranged on the waste gas inlet, and a fireproof heat-preservation layer is arranged on the inner wall of the box body.
8. The insulated activated carbon adsorption unit of claim 1, wherein the cold air inlet is externally connected to a nitrogen storage tank, and the nitrogen storage tank is connected to a nitrogen generator.
CN202020964055.5U 2020-05-29 2020-05-29 Heat preservation formula active carbon adsorption device Active CN213050008U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113856405A (en) * 2021-10-22 2021-12-31 佛山市际星环保科技有限公司 Offline desorption catalytic combustion combination equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113856405A (en) * 2021-10-22 2021-12-31 佛山市际星环保科技有限公司 Offline desorption catalytic combustion combination equipment

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