Process system matched with desorption waste gas treatment

Abstract

The utility model discloses a process system for treating desorption waste gas in a matching way, which comprises an equipment main body, the equipment main body comprises a stock bin, a heating desorption section and a desorption cooling section, an activated carbon layer and a bag-type dust collector are respectively arranged in the stock bin, the bag-type dust collector is connected with a chimney through an air supply fan in a sealing way, and the chimney is connected with the equipment main body. A high-temperature bag-type dust collector, a flame arrester, a first cooling heat exchanger, a mechanical degreaser, a desorption fan, a rotary RTO and a second cooling heat exchanger are arranged in the heating desorption section, and a heat preservation dust collector, a fresh air fan and a heating heat exchanger are installed in the desorption cooling section; and the desorption cooling section is hermetically connected with the heating desorption section through a high-temperature gas blower. According to the utility model, gases with different properties generated by desorption are classified and treated, and the heat of the desorbed gases is recycled, so that certain energy waste and subsequent production cost can be reduced, and good energy-saving and environment-friendly effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to active carbon desorption waste gas treatment technical field, specifically is a process system of supporting treatment desorption waste gas. BACKGROUND

[0002] Active carbon is used as adsorbent generally in the large wind volume, low concentration VOC management. Active carbon desorption regeneration can produce the waste gas containing VOC, this kind of waste gas has different properties according to its desorption, so a process system of supporting treatment desorption waste gas is designed for this kind of waste gas.

[0003] The waste gas generated in the prior art for active carbon desorption regeneration is not generally distinguished and treated, which can cause certain energy waste and increase of subsequent production cost, and can easily cause environmental pollution problem, so a process system of supporting treatment desorption waste gas is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a process system of supporting treatment desorption waste gas to solve the problem that the waste gas generated in the prior art for active carbon desorption regeneration is not generally distinguished and treated, which can cause certain energy waste and increase of subsequent production cost, and can easily cause environmental pollution problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a process system of supporting treatment desorption waste gas, including equipment main part, the equipment main part includes stock bin, heating desorption section and desorption cooling section, the inside of stock bin is installed with active carbon layer and cloth bag dust collector respectively, the cloth bag dust collector is sealedly connected with chimney through air supply fan, the inside of heating desorption section is provided with high temperature cloth bag dust collector, fire arrester, first cooling heat exchanger, mechanical oil remover, desorption fan, rotary RTO and second cooling heat exchanger respectively, the inside of desorption cooling section is installed with heat preservation dust collector, fresh air fan and temperature rising heat exchanger respectively, and desorption cooling section is sealedly connected with heating desorption section through high temperature gas air supply fan.

[0006] Based on the above, the floating dust generated by the falling of active carbon in the stock bin is discharged into the chimney after being filtered by the cloth bag dust collector and entering the chimney through the air supply fan.

[0007] Based on the above, the VOC waste gas generated in the heating desorption section is sent into the chimney after passing through the high temperature cloth bag dust collector, fire arrester, first cooling heat exchanger, mechanical oil remover, desorption fan, rotary RTO and second cooling heat exchanger in turn.

[0008] Based on the above, the gas conveying fan is arranged between the heating desorption section and the chimney.

[0009] Based on the above, the high-temperature dust-containing gas generated in the desorption cooling section is filtered by the heat preservation dust collector and sent to the temperature rising heat exchanger by the fresh air fan for temperature rising.

[0010] Based on the above, the heat preservation dust collector is connected with the temperature rising heat exchanger by the fresh air fan.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, the internal floating ash of the stock bin is sent into the chimney for discharging after bag dust removal, the VOC waste gas generated in the heating desorption section is sent into the chimney for discharging after sequentially passing through the high-temperature bag dust collector, the fire retarder, the first cooling heat exchanger, the mechanical oil remover, the desorption fan, the rotary RTO and the second cooling heat exchanger, the high-temperature dust-containing gas generated in the desorption cooling section is filtered by the heat preservation dust collector and sent to the temperature rising heat exchanger by the fresh air fan for temperature rising, and the high-temperature dust-containing gas after temperature rising is sent into the heating desorption section by the high-temperature gas air supply fan for active carbon desorption, so that different property gases generated in the desorption can be classified and treated, the recycling of the heat of the gases after desorption can reduce certain energy waste and reduce the subsequent production cost, and good energy-saving and environmental protection effects are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the principle block diagram of the utility model;

[0014] Fig. 2 It is the internal mounting structure schematic view of the equipment main body of the utility model;

[0015] Fig. 3 It is the overall connecting structure schematic view of the utility model.

[0016] In the drawing: 1, equipment main body; 2, stock bin; 3, active carbon layer; 4, bag dust collector; 5, air supply fan; 6, chimney; 7, heating desorption section; 8, gas conveying fan; 9, high-temperature bag dust collector; 10, fire retarder; 11, first cooling heat exchanger; 12, mechanical oil remover; 13, desorption fan; 14, rotary RTO; 15, second cooling heat exchanger; 16, desorption cooling section; 17, high-temperature gas air supply fan; 18, heat preservation dust collector; 19, fresh air fan; 20, temperature rising heat exchanger. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] Please refer toFigs. 1-3 The utility model provides a kind of process system of supporting treatment desorption waste gas: a kind of embodiment provided by the utility model: a process system of supporting treatment desorption waste gas, including equipment main body 1, equipment main body 1 includes bunker 2, heating desorption section 7 and desorption cooling section 16, the inside of bunker 2 is respectively equipped with activated carbon layer 3 and cloth bag dust collector 4, cloth bag dust collector 4 is sealingly connected with chimney 6 by air supply fan 5, the inside of heating desorption section 7 is respectively provided with high-temperature cloth bag dust collector 9, fire arrester 10, first cooling heat exchanger 11, mechanical oil remover 12, desorption fan 13, rotary RTO 14 and second cooling heat exchanger 15, the inside of desorption cooling section 16 is respectively equipped with heat preservation dust collector 18, fresh air fan 19 and temperature rising heat exchanger 20, desorption cooling section 16 is sealingly connected with heating desorption section 7 by high-temperature gas air supply fan 17.

[0019] Further, activated carbon falls in bunker 2 and generates floating ash, impurity particles in floating ash are effectively filtered and removed after falling into cloth bag dust collector 4 and entering chimney 6 by air supply fan 5, can play good dust filtration and environmental protection effect, VOC waste gas is generated in heating desorption section 7, VOC waste gas is sent into chimney 6 after sequentially passing through high-temperature cloth bag dust collector 9, fire arrester 10, first cooling heat exchanger 11, mechanical oil remover 12, desorption fan 13, rotary RTO 14 and second cooling heat exchanger 15, and further can completely remove harmful chemical substances in VOC waste gas, guarantee clean and sanitary emission, play good environmental protection effect, gas conveying fan 8 is arranged between heating desorption section 7 and chimney 6, high-temperature dust-containing gas is generated in desorption cooling section 16, high-temperature dust-containing gas is filtered by heat preservation dust collector 18 and is sent to temperature rising heat exchanger 20 by fresh air fan 19, high-temperature dust-containing gas after temperature rising is entered into heating desorption section 7 by high-temperature gas air supply fan 17, heat preservation dust collector 18 is connected with temperature rising heat exchanger 20 by fresh air fan 19, so that high-temperature gas in desorption cooling section 16 can be sent into heating desorption section 7 for activated carbon desorption, play good energy-saving and environmental protection effect.

[0020] Working principle: when in use, the inner part of the stock bin 2 is respectively provided with an activated carbon layer 3 and a cloth bag dust collector 4, the cloth bag dust collector 4 is sealingly connected with a chimney 6 through a supply fan 5, the floating dust generated by the falling of the activated carbon in the stock bin 2 falls into the cloth bag dust collector 4 and is filtered, then enters the chimney 6 through the supply fan 5 for discharge, the impurity particles in the floating dust are effectively filtered and removed, which can play a good dust filtering and environmental protection effect, the inner part of the heating and desorption section 7 is respectively provided with a high-temperature cloth bag dust collector 9, a fire retardant 10, a first cooling heat exchanger 11, a mechanical oil remover 12, a desorption fan 13, a rotary RTO 14 and a second cooling heat exchanger 15, VOC waste gas is generated in the heating and desorption section 7, and the VOC waste gas is sequentially sent into the chimney 6 after passing through the high-temperature cloth bag dust collector 9, the fire retardant 10, the first cooling heat exchanger 11, the mechanical oil remover 12, the desorption fan 13, the rotary RTO 14 and the second cooling heat exchanger 15, thereby the harmful chemical substances in the VOC waste gas can be completely removed, the discharge is clean and hygienic, and a good environmental protection effect is played, the inner part of the desorption cooling section 16 is respectively provided with a heat preservation dust collector 18, a fresh air fan 19 and a temperature rising heat exchanger 20, the desorption cooling section 16 is sealingly connected with the heating and desorption section 7 through a high-temperature gas supply fan 17, the high-temperature dust-containing gas after temperature rising is sent into the heating and desorption section 7 through the high-temperature gas supply fan 17, the heat preservation dust collector 18 is connected with the temperature rising heat exchanger 20 through the fresh air fan 19, so that the high-temperature gas in the desorption cooling section 16 can be sent into the heating and desorption section 7 for activated carbon desorption, a good energy saving effect is played, the waste of heat energy resources is avoided, the energy waste and the subsequent production cost can be reduced by classifying and treating the different properties of the gas generated by desorption and recycling the heat of the gas after desorption.

[0021] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0022] The standard parts used in the present application file can be purchased from the market, the specific connection mode of each part is connected by using the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A process system for treating desorbed off-gas as a package, comprising a device main body (1), characterized in that, The device body (1) includes a bin (2), a heating desorption section (7) and a desorption cooling section (16), the inside of the bin (2) is respectively provided with an activated carbon layer (3) and a bag-type dust collector (4), the bag-type dust collector (4) is sealingly connected with a chimney (6) through a supply fan (5), the inside of the heating desorption section (7) is respectively provided with a high-temperature bag-type dust collector (9), a fire arrester (10), a first cooling heat exchanger (11), a mechanical oil remover (12), a desorption fan (13), a rotary RTO (14) and a second cooling heat exchanger (15), the inside of the desorption cooling section (16) is respectively provided with a heat preservation dust collector (18), a fresh air fan (19) and a temperature rising heat exchanger (20), and the desorption cooling section (16) is sealingly connected with the heating desorption section (7) through a high-temperature gas supply fan (17).

2. A process system for treating desorbed off-gas in accordance with claim 1, characterized in that: The activated carbon in the bin (2) falls to generate floating dust, the floating dust is filtered by the bag-type dust collector (4) and then enters the chimney (6) through the supply fan (5) to be discharged.

3. A process system for treating desorbed off-gas in accordance with claim 1, wherein: VOC waste gas is generated in the heating desorption section (7), and the VOC waste gas is sequentially sent into the chimney (6) after passing through the high-temperature bag-type dust collector (9), the fire arrester (10), the first cooling heat exchanger (11), the mechanical oil remover (12), the desorption fan (13), the rotary RTO (14) and the second cooling heat exchanger (15).

4. The process system for treating desorbed off-gas in a complete set according to claim 1, characterized in that: The gas conveying fan (8) is arranged between the heating desorption section (7) and the chimney (6).

5. The process system for treating desorbed off-gas in a complete set according to claim 1, characterized in that: High-temperature dust-containing gas is generated in the desorption cooling section (16), the high-temperature dust-containing gas is filtered by the heat preservation dust collector (18) and then sent to the temperature rising heat exchanger (20) by the fresh air fan (19) to be heated, and the heated high-temperature dust-containing gas enters the heating desorption section (7) through the high-temperature gas supply fan (17).

6. The process system for treating desorbed off-gas in a complete set according to claim 1, characterized in that: The heat preservation dust collector (18) is connected with the temperature rising heat exchanger (20) through the fresh air fan (19).

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