CN208694613U - A kind of nitrogen desorption condensate recycling device - Google Patents

A kind of nitrogen desorption condensate recycling device Download PDF

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Publication number
CN208694613U
CN208694613U CN201821136537.0U CN201821136537U CN208694613U CN 208694613 U CN208694613 U CN 208694613U CN 201821136537 U CN201821136537 U CN 201821136537U CN 208694613 U CN208694613 U CN 208694613U
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CN
China
Prior art keywords
tank
connecting pipe
adsorption
case
desorption
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Expired - Fee Related
Application number
CN201821136537.0U
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Chinese (zh)
Inventor
邓靖
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Guangzhou Baozhongbao Environmental Protection Equipment Co Ltd
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Guangzhou Baozhongbao Environmental Protection Equipment Co Ltd
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Priority to CN201821136537.0U priority Critical patent/CN208694613U/en
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Publication of CN208694613U publication Critical patent/CN208694613U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of nitrogen, and condensate recycling device is desorbed, including case is desorbed, secondary absorbent charcoal adsorption tank, solvent tank and nitrogen gas tank, case is desorbed, secondary absorbent charcoal adsorption tank is connected to by connecting pipe, secondary absorbent charcoal adsorption tank passes through connecting pipe tee joint solvent tank, connecting pipe three connects heat exchanger, case is desorbed, secondary absorbent charcoal adsorption tank connects nitrogen gas tank by connecting pipe with solvent tank, secondary absorbent charcoal adsorption tank includes adsorption tanks one and adsorption tanks two, adsorption tanks one connect desorption case and adsorption tanks two by connecting pipe, adsorption tanks two connect solvent tank by connecting pipe one, solvent tank connects desorption case by connecting pipe two.The utility model can carry out quickly thoroughly desorption to the high and low boiling point organic exhaust gas of activated carbon adsorption, and active carbon is made to obtain effective, thorough regeneration, carry out condensing recovery to exhaust-gas treatment organic solvent.

Description

A kind of nitrogen desorption condensate recycling device
Technical field
The utility model relates to waste gas pollution control and treatment technical field, condensate recycling device is desorbed in specifically a kind of nitrogen.
Background technique
Wind Volume, middle low-concentration organic exhaust gas are unsuitable for being handled with any direct burning since concentration is not high, existing at present Some large-wind-volume low-concentration organic exhaust gas maturation purification processes include: activated carbon adsorption+burning of regenerated with hot air desorption catalyzing, boiling Stone absorption+regenerated with hot air desorption catalyzing burning, activated carbon adsorption+hot nitrogen regeneration recycling.
The boiling point of trimethylbenzene equal solvent contains front three in Wind Volume, middle low-concentration organic exhaust gas exhaust gas at 126-190 DEG C When benzene harmful exhaust, when handling the exhaust gas containing trimethylbenzene, desorption temperature is set in 110 in aerobic situation DEG C, according to activated carbon adsorption+catalytic combustion process, the higher solvent of boiling point this kind of for trimethylbenzene etc. is to be difficult to be desorbed out Come, and be that high boiling organic solvent molecule gradually replaces low boiling point solvent molecule the characteristics of activated carbon adsorption, leads to dimethylbenzene The small-molecule substances such as toluene can be replaced to occupy activated carbon adsorption space with this kind of macromolecular substances of butyl acetate, lose active carbon Effect considers in the practicability used, therefore improves the novel nitrogen desorption condensate recycling device of one kind to containing trimethylbenzene Harmful exhaust is handled, and condensing recovery specifically is desorbed using active carbon desorption+nitrogen, this processing system can take into account safety The advantages of with organic exhaust gas is effectively treated.
Summary of the invention
1, it to solve the problems, such as
When for containing the processing of trimethylbenzene harmful exhaust in existing Wind Volume, middle low-concentration organic exhaust gas exhaust gas, aerobic In the case of desorption temperature is set in 110 DEG C, according to activated carbon adsorption+catalytic combustion process, due to the spy of activated carbon adsorption Point causes dimethylbenzene and this kind of macromolecular substances of butyl acetate that the small-molecule substances such as toluene can be replaced to occupy activated carbon adsorption sky Between, make active carbon Problem of Failure, the purpose of this utility model is to provide a kind of nitrogen, and condensate recycling device is desorbed, on solving State the problem of proposing in background technique.
2, technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of nitrogen desorption condensate recycling device, including desorption case, secondary absorbent charcoal adsorption tank, solvent tank and nitrogen gas tank, The desorption case is connected to secondary absorbent charcoal adsorption tank by connecting pipe, and the secondary absorbent charcoal adsorption tank passes through connecting pipe three It is connected to solvent tank, the connecting pipe three connects heat exchanger, the heat exchanger connection condenser and heater, the desorption Case, secondary absorbent charcoal adsorption tank and solvent tank connect nitrogen gas tank by connecting pipe, and the secondary absorbent charcoal adsorption tank includes inhaling Attached tank one and adsorption tanks two, the adsorption tanks one connect desorption case and adsorption tanks two by connecting pipe, and the adsorption tanks one connect Cooling tower room temperature cold water output end is connect, the installation of the adsorption tanks two connection condenser, the output end of the adsorption tanks two is through being subcooled Condenser connects solvent tank by connecting pipe one, and the output end of the solvent tank is described by the connection desorption case of connecting pipe two The output end that case connects heater by heating pipe is desorbed.
As a further solution of the present invention: being equipped with granulated carbon absorber in the desorption case, the granulated carbon is inhaled Filter and organic solvent are equipped in adnexa.
The output end of the solvent tank connection refrigeration machine as a further solution of the present invention,.
The output end of the nitrogen gas tank passes through the connection desorption of conveyance conduit three as a further solution of the present invention, Case.
The conveyance conduit three connects mechanical nitrogen pressure compensation, institute as a further solution of the present invention, It states in desorption case and is equipped with automatic decompression device.
The output end of the desorption case connection circulating fan as a further solution of the present invention,.
3, beneficial effect
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is handled to system by nitrogen gas tank and is passed through inert nitrogen gas in pipeline, and nitrogen desorption can incite somebody to action Desorption temperature is arranged at 180 DEG C or so, and thoroughly desorption can be carried out quickly to the high and low boiling point organic exhaust gas of activated carbon adsorption, Active carbon is set to obtain effective, thorough regeneration.
(2) the secondary absorbent charcoal adsorption tank of the utility model and solvent tank realize totality circulation, to the exhaust gas of processing Not outlet, it is without secondary pollution, ambient enviroment will not be had an impact, carrying out condensation collection circulation after the heating to organic solvent makes With.
(3) nitrogen gas tank of the utility model carries out the pipeline in system to be passed through nitrogen exclusion air, whole system pipeline Interior oxygen concentration is lower than 1%, is handled under the high temperature conditions with inert nitrogen gas, it is ensured that hidden danger of the desorption without any kindling, Realize safe and reliable operation.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram that condensate recycling device is desorbed in a kind of nitrogen.
In figure: 1, case is desorbed;2, secondary absorbent charcoal adsorption tank;3, adsorption tanks one;4, adsorption tanks two;5, solvent tank;6, cold Condenser;7, heat exchanger;8, heater;9, nitrogen gas tank;10, refrigeration machine.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, in the utility model embodiment, a kind of nitrogen desorption condensate recycling device, including desorption case 1, two Secondary absorbent charcoal adsorption tank 2, solvent tank 5 and nitrogen gas tank 9, the desorption case 1 by connecting tube to the organic flue gas output mouth of connection, The desorption case 1 is connected to secondary absorbent charcoal adsorption tank 2 by connecting pipe, and the secondary absorbent charcoal adsorption tank 2 passes through connecting tube Road tee joint solvent tank 5, the connecting pipe three connect heat exchanger 7, and the heat exchanger 7 connects condenser 6 and heater 8, the desorption case 1, secondary absorbent charcoal adsorption tank 2 connect nitrogen gas tank 9 by connecting pipe with solvent tank 5.
It is equipped with granulated carbon absorber in the desorption case 1, is equipped with filter and organic solvent in the granulated carbon absorber, Filter will be filtered in the exhaust gas for the workshop generation for being passed through desorption case 1 containing particulate matter, the organic exhaust gas without particulate matter Adsorption cleaning processing is carried out by active carbon, qualified discharge, organic solvent is for handling exhaust gas.
The secondary absorbent charcoal adsorption tank 2 includes adsorption tanks 1 and adsorption tanks 24, and the adsorption tanks 1 pass through connecting tube Road connection desorption case 1 and adsorption tanks 24, the adsorption tanks 1 connect cooling tower room temperature cold water output end, the adsorption tanks 24 The output end of installation connection condenser 6, the adsorption tanks 24 connects solvent tank 5, institute by connecting pipe one by condenser 6 The output end that solvent tank 5 connects refrigeration machine 10 is stated, the output end of the solvent tank 5 passes through the connection desorption case 1 of connecting pipe two, institute State the output end that desorption case 1 connects heater 8 by heating pipe.
The output end of the nitrogen gas tank 9 is connected mechanically by the connection desorption case 1 of conveyance conduit three, the conveyance conduit three Nitrogen pressure compensation, mechanical nitrogen pressure compensation maintain micro-positive pressure in the circulatory system, prevent leakage and oxygen infiltration, described de- It is equipped with automatic decompression device in attached case 1, when boosting other than system, pipeline pressure is released by pressure relief device, guarantees system System safe operation.
The desorption case 1 connects the output end of circulating fan.
The working principle of the utility model is: the big valve of 1 air inlet of case is desorbed before use, closing in equipment, adsorption/desorption is opened The big valve of 1 outlet of case opens 5 air inlet of secondary absorbent charcoal adsorption tank 2 and solvent tank, outlet valve, in advance to the de- of desorption case 1 The activated carbon adsorption bed of attached pipeline and secondary absorbent charcoal adsorption tank 2 carries out deoxygenation processing, and nitrogen is filled with activated carbon adsorption bed, root Reach according to the oxygen content instrument monitoring nitrogen charging of setting and enters desorption process, nitrogen after closing the big valve of adsorbent bed outlet after design value Air in system is all driven out of, the heater 8 after purity of the nitrogen in pipeline reaches 99.9%, this link is protected Card closing pipe line ensures safety in the environment of anoxybiotic, opens circulating fan, feeding temperature-raising, circulation wind speed are steady simultaneously for heater 8 It fixs, the active carbon adsorber entrance wind-warm syndrome for adjusting 8 power of heater to adsorption tanks 1 reaches set temperature, adsorption tanks 1 Active carbon is desorbed in about 180 DEG C of temperature, through 7 energy saving of over-heat-exchanger, then successively passes through one 3 table cold treatment of adsorption tanks Subzero treatment twice cooling with adsorption tanks 24 is handled, and organic solvent, which is condensed, to be recovered in solvent tank 5, after the completion of desorption, Stop heater 8 to heat, the heat in system is consumed by condenser, and component each in system is cooled to safe temperature, is allowed again Secondary air inlet adsorption operations.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of nitrogen is desorbed condensate recycling device, including desorption case (1), secondary absorbent charcoal adsorption tank (2), solvent tank (5) and Nitrogen gas tank (9), which is characterized in that the desorption case (1) is connected to secondary absorbent charcoal adsorption tank (2) by connecting pipe, and described two Secondary absorbent charcoal adsorption tank (2) connects heat exchanger (7) by connecting pipe tee joint solvent tank (5), the connecting pipe three, institute State heat exchanger (7) connection condenser (6) and heater (8), the desorption case (1), secondary absorbent charcoal adsorption tank (2) and solvent Tank (5) connects nitrogen gas tank (9) by connecting pipe, and the secondary absorbent charcoal adsorption tank (2) includes adsorption tanks one (3) and adsorption tanks Two (4), the adsorption tanks one (3) connect desorption case (1) and adsorption tanks two (4) by connecting pipe, and the adsorption tanks one (3) are even Connect cooling tower room temperature cold water output end, adsorption tanks two (4) installation connection condenser (6), the output of the adsorption tanks two (4) End connects solvent tank (5) by connecting pipe one by condenser (6), and the output end of the solvent tank (5) passes through connecting pipe Two connection desorptions case (1), the output end that desorption case (1) passes through heating pipe connection heater (8).
2. condensate recycling device is desorbed in a kind of nitrogen according to claim 1, which is characterized in that in the desorption case (1) Equipped with granulated carbon absorber, filter and organic solvent are equipped in the granulated carbon absorber.
3. condensate recycling device is desorbed in a kind of nitrogen according to claim 1, which is characterized in that the solvent tank (5) is even Connect the output end of refrigeration machine (10).
4. condensate recycling device is desorbed in a kind of nitrogen according to claim 1, which is characterized in that the nitrogen gas tank (9) Output end passes through the connection desorption of conveyance conduit three case (1).
5. condensate recycling device is desorbed in a kind of nitrogen according to claim 4, which is characterized in that the conveyance conduit three connects Mechanical nitrogen pressure compensation is connect, is equipped with automatic decompression device in the desorption case (1).
6. condensate recycling device is desorbed in a kind of nitrogen according to claim 1, which is characterized in that the desorption case (1) is even The output end of logical circulating fan.
CN201821136537.0U 2018-07-17 2018-07-17 A kind of nitrogen desorption condensate recycling device Expired - Fee Related CN208694613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821136537.0U CN208694613U (en) 2018-07-17 2018-07-17 A kind of nitrogen desorption condensate recycling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821136537.0U CN208694613U (en) 2018-07-17 2018-07-17 A kind of nitrogen desorption condensate recycling device

Publications (1)

Publication Number Publication Date
CN208694613U true CN208694613U (en) 2019-04-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112807931A (en) * 2020-12-31 2021-05-18 苏州东净环境科技有限公司 Active carbon nitrogen desorption system and all-in-one
CN113694678A (en) * 2021-08-30 2021-11-26 山东公正环境科技有限公司 Device for recovering organic solvent in waste gas by dry method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112807931A (en) * 2020-12-31 2021-05-18 苏州东净环境科技有限公司 Active carbon nitrogen desorption system and all-in-one
CN113694678A (en) * 2021-08-30 2021-11-26 山东公正环境科技有限公司 Device for recovering organic solvent in waste gas by dry method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20190405

Termination date: 20190717