CN105413227B - A kind of material deep cooling recover and recovery method - Google Patents
A kind of material deep cooling recover and recovery method Download PDFInfo
- Publication number
- CN105413227B CN105413227B CN201510947948.2A CN201510947948A CN105413227B CN 105413227 B CN105413227 B CN 105413227B CN 201510947948 A CN201510947948 A CN 201510947948A CN 105413227 B CN105413227 B CN 105413227B
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- gas
- air inlet
- bobbin carriage
- outlet
- heat exchanger
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000011084 recovery Methods 0.000 title claims abstract description 9
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 239000005416 organic matter Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000011368 organic material Substances 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of material deep cooling recover, including air inlet bobbin carriage, Heat Room, outlet bobbin carriage, expansion gas entrance is set on described air inlet bobbin carriage, outlet bobbin carriage sets the outlet of expansion gas, described Heat Room sets air inlet, gas outlet, bottom also sets up material recycle mouth, described Heat Room sets tube sheet respectively with air inlet bobbin carriage, the junction of outlet bobbin carriage, on tube sheet set by set of heat exchange tubes into tube bank, tube bank insertion tube sheet, the exterior space of heat exchanger tube connects with air inlet and gas outlet, and described Heat Room also sets up dividing plate, and preventing clogging up device is also set up in air inlet bobbin carriage.Recovery method is：Cyclohexane oxidation off-gas enters Heat Room, by the way that and cryogenic gas in pipe carries out heat exchange from the outer fin clearance of heat exchanger tube.Organic materials in cyclohexane oxidation off-gas can become solid-state condensation of coordinating and remain in equipment after being cooled, being finally passed through high-temperature gas from expansion gas entrance again makes its liquefaction, drips and is simultaneously flowed out from material recycle mouth.
Description
Technical field
The present invention relates to material recycle method and apparatus, refer in particular to the material recycle method using Transformation Principle by use
The material deep cooling recover of external finned tube.
Background technology
Chemical industry and oil refining enterprise's production operation can produce a large amount of tail gas, wherein there is one kind to be cyclohexane oxidation off-gas.Hexamethylene
Oxidation off-gas contains organic materials, and the organic materials, which directly discharges, can bring environmental pollution, but can be with recycling.Typically
In the case of, cyclohexane oxidation off-gas is all directly to discharge, and not only causes waste of material, also brings very big environmental pollution.In order to
Reclaim this organic materials, it is necessary to special recovery method and device.
The content of the invention
The purpose of the present invention is improved and innovated for shortcoming present in background technology and problem, there is provided Yi Zhongneng
The effect recovery method and recover of organic materials in enough high efficiente callback tail gas.
The technical scheme is that a kind of material deep cooling recover is constructed, including air inlet bobbin carriage, Heat Room, escape pipe
Case, expansion gas entrance is set, outlet bobbin carriage sets the outlet of expansion gas, and described Heat Room sets air inlet on described air inlet bobbin carriage
Mouth, gas outlet, bottom also set up material recycle mouth, and the junction of described Heat Room and air inlet bobbin carriage, outlet bobbin carriage is set respectively
Put tube sheet, set on tube sheet by set of heat exchange tubes into tube bank, tube bank insertion tube sheet, air inlet bobbin carriage and outlet bobbin carriage is passed through heat exchange
Connect inside pipe, the exterior space of heat exchanger tube connects with air inlet and gas outlet, Heat Room and air inlet bobbin carriage, outlet bobbin carriage every
From.
In one of the embodiments, described Heat Room also sets up the dividing plate of top or lower openings, lower openings and
The dividing plate of upper opening is alternately arranged successively along air inlet toward gas outlet direction.
In one of the embodiments, preventing clogging up device is also set up in described air inlet bobbin carriage.
In one of the embodiments, described heat exchanger tube is inner fin heat exchange tube, either outer fin heat exchange pipe or interior
Outer fin heat exchange pipe.
In one of the embodiments, described dividing plate is the dividing plate of one piece of lower openings.
In one of the embodiments, described preventing clogging up device is stainless steel.
A kind of method that material recycle is carried out using above-mentioned material deep cooling recover, is comprised the following steps：
A. material recovery port is closed, injects cold expansion gas to expansion gas entrance, cold expansion gas is entered air inlet bobbin carriage, leads to
The filtering of preventing clogging up device is crossed, it is internal into tube bank, outlet bobbin carriage is entered back into, is exported and flowed out by expansion gas；
B. cyclohexane oxidation off-gas is imported into Heat Room by air inlet, cyclohexane oxidation off-gas can be in partition room with " S "
Shape path flows, keep crisscross with heat exchanger tube, heat exchange are carried out with the cold expansion gas that heat is changed in pipe, finally via gas outlet
Discharge, because being exchanged heat using finned tube, the heat exchange of gas is very rapid inside and outside heat exchanger tube, and cyclohexane oxidation off-gas is in air inlet
Up to 90 ~ 100 DEG C, the organic materials in cyclohexane oxidation off-gas can be undergone phase transition the temperature difference with gas outlet, be condensed in tube bank；
C. stop being passed through cyclohexane oxidation off-gas and cold expansion gas, be passed through thermal expansion gas to expansion gas entrance, make thermal expansion
Gas enters air inlet bobbin carriage, internal into tube bank by the filtering of preventing clogging up device, enters back into outlet bobbin carriage, is exported by expansion gas
Outflow, now, thermal expansion gas heating heat exchanger tube, make to condense in the organic matter on heat exchanger tube and undergo phase transition again, that is, liquefy, from changing
Dripped on heat pipe, converge to material recycle mouth；
D. stop being passed through thermal expansion gas, material recycle mouth is opened, by liquid state organics recycling.
The present invention is exchanged heat using finned tube, is had material collection surface area big, is exchanged heat the characteristics of fast；It is provided with anti-blocking
Plug device, present apparatus operation can be made safer；
The method reclaimed using material phase transformation, make the material that is recovered to purer, according to measuring and calculating, the rate of recovery of organic matter is reachable
More than 95%, purity is up to more than 99%；Tail gas after processing, meets discharging standards.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is tube plate structure schematic diagram.
Fig. 3 is that finned tube main structure regards schematic diagram.
Fig. 4 is Fig. 3 left view.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element be considered as " setting " on another element, it can be direct sets or even
It is connected on another element or may be simultaneously present centering elements.
Unless otherwise defined, all technologies used herein and scientific terminology and the skill of the technical field of the present invention
The implication that art personnel are generally understood that is identical.Term used in the description is intended merely to describe specifically to implement purpose, is not
It is intended to the limitation present invention.
As shown in Figure 1 and Figure 2, a kind of material deep cooling recover, including air inlet bobbin carriage 1, Heat Room 2, outlet bobbin carriage 3, it is described
Air inlet bobbin carriage 1 on expansion gas entrance 4 is set, outlet bobbin carriage 3 sets expansion gas outlet 5, and described Heat Room 2 sets air inlet
6th, gas outlet 7, bottom also set up material recycle mouth 8, and the connection of described Heat Room 2 and air inlet bobbin carriage 1, outlet bobbin carriage 2 is punished
Not She Zhi tube sheet 9, the tube bank 11 being made up of heat exchanger tube 10 is set on tube sheet 9, the insertion tube sheets 9 of tube bank 11, makes air inlet bobbin carriage 1 and goes out
Tracheae case 3 is connected by the inside of heat exchanger tube 10, and the exterior space of heat exchanger tube 10 connects with air inlet 6 and gas outlet 7, Heat Room 2
Isolate with air inlet bobbin carriage 1, outlet bobbin carriage 3.Air inlet and gas outlet are exhaust gas channel to be recycled, expand gas entrance and expansion
Gas outlet is cryogenic gas or the passage of high-temperature gas.
In the present embodiment, described Heat Room 2 also sets up the dividing plate 12 of top or lower openings, lower openings and top
The dividing plate 12 of opening is alternately arranged successively along air inlet 6 toward the direction of gas outlet 7.Tail gas can be after Heat Room be entered, from dividing plate
Opening enter next cut-off space, along serpentine route Heat Room flow, flow distance is considerably increased, using this
Kind intersects the type of cooling, and gas is from the fin clearance of heat exchanger tube 10 by that can carry out abundant heat exchange with heat exchanger tube.
More preferably, as shown in figure 1, also setting up preventing clogging up device 13 in described air inlet bobbin carriage 1, expanding gas can be prevented
In impurity will exchange heat blockage.
As shown in Figure 3, Figure 4, more preferably, described heat exchanger tube 10 is inner fin heat exchange tube, or outer fin heat exchange pipe, or
Person's inside and outside fin heat exchanger tube, the fin on finned tube increase the surface area of heat exchanger tube, make heat be easier to distribute.
Especially, described dividing plate 12 is the dividing plate of one piece of lower openings.Tail gas is along " u "-shaped path flows.
Preferably, described preventing clogging up device is stainless steel.
A kind of method that material recycle is carried out using above-mentioned material deep cooling recover, is comprised the following steps：
A. material recovery port 8 is closed, injects cold expansion gas to expansion gas entrance 4, cold expansion gas is entered air inlet bobbin carriage 1,
By the filtering of preventing clogging up device 13, into inside tube bank 11, outlet bobbin carriage 3 is entered back into, by the outflow of expansion gas outlet 5；
B. cyclohexane oxidation off-gas is imported into Heat Room 2 by air inlet 6, cyclohexane oxidation off-gas can be between dividing plate 12
With serpentine path flows, keep crisscross with heat exchanger tube 10, carry out heat exchange with the cold expansion gas in heat exchanger tube 10, finally
Discharged via gas outlet 7, cyclohexane oxidation off-gas air inlet 6 Yu gas outlet 7 the temperature difference up to 90 ~ 100 DEG C, such big drop
Temperature, the organic materials in cyclohexane oxidation off-gas can be made to undergo phase transition, condensed in tube bank 11；
C. stop being passed through cyclohexane oxidation off-gas and cold expansion gas, be passed through thermal expansion gas to expansion gas entrance 4, make heat swollen
Flatulence enters air inlet bobbin carriage 1, by the filtering of preventing clogging up device 13, into inside tube bank 11, outlet bobbin carriage 3 is entered back into, by swollen
The outflow of flatulence outlet 5, now, thermal expansion gas heating tube bundle 11, the organic matter for making to condense in tube bank 11 is undergone phase transition again, i.e.,
Liquefaction, drips from heat exchanger tube 10, converges to material recycle mouth 8；
D. stop being passed through thermal expansion gas, material recycle mouth 8 is opened, by liquid state organics recycling.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Spirit and scope are defined, and on the premise of design philosophy of the present invention is not departed from, engineers and technicians are to this hair in this area
The all variations and modifications that bright technical scheme is made, protection scope of the present invention, the claimed skill of the present invention all should be fallen into
Art content, all record in detail in the claims.
Claims (1)
1. a kind of method that material deep cooling recover carries out material recycle, described material deep cooling recover include air inlet bobbin carriage,
Heat Room, outlet bobbin carriage, expansion gas entrance is set, and outlet bobbin carriage sets the outlet of expansion gas, described on described air inlet bobbin carriage
Heat Room sets air inlet, gas outlet, and bottom also sets up material recycle mouth, described Heat Room and air inlet bobbin carriage, outlet bobbin carriage
Junction tube sheet is set respectively, set on tube sheet by set of heat exchange tubes into tube bank, tube bank insertion tube sheet, make air inlet bobbin carriage and go out
Tracheae case inside heat exchanger tube by connecting, and the exterior space of heat exchanger tube connects with air inlet and gas outlet, Heat Room and air inlet pipe
Case, outlet bobbin carriage are isolated；
Described Heat Room also sets up the dividing plate of top or lower openings, and the dividing plate of lower openings and upper opening is past along air inlet
Gas outlet direction is alternately arranged successively；
Preventing clogging up device is also set up in described air inlet bobbin carriage；
Described heat exchanger tube is inside and outside fin heat exchanger tube,
It is characterized in that：Comprise the following steps：
A. material recovery port is closed, injects cold expansion gas to expansion gas entrance, cold expansion gas is entered air inlet bobbin carriage, by anti-
The filtering of blocking device, it is internal into tube bank, outlet bobbin carriage is entered back into, is exported and flowed out by expansion gas；
B. cyclohexane oxidation off-gas is imported into Heat Room by air inlet, cyclohexane oxidation off-gas can be in partition room with serpentine road
Line flows, and keeps crisscross with heat exchanger tube, carries out heat exchange with the cold expansion gas in heat exchanger tube, finally arranged via gas outlet
Go out, cyclohexane oxidation off-gas air inlet and gas outlet the temperature difference up to 90 ~ 100 DEG C, the organic matter in cyclohexane oxidation off-gas
Material can be undergone phase transition, and be condensed on heat exchanger tube；
C. stop being passed through cyclohexane oxidation off-gas and cold expansion gas, be passed through thermal expansion gas to expansion gas entrance, enter thermal expansion gas
Enter air inlet bobbin carriage, it is internal into tube bank by the filtering of preventing clogging up device, outlet bobbin carriage is entered back into, is exported and flowed out by expansion gas,
Now, thermal expansion gas heating heat exchanger tube, makes to condense in the organic matter on heat exchanger tube and undergoes phase transition again, that is, liquefy, from heat exchanger tube
Upper drippage, converge to material recycle mouth；
D. stop being passed through thermal expansion gas, material recycle mouth is opened, by liquid state organics recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947948.2A CN105413227B (en) | 2015-12-17 | 2015-12-17 | A kind of material deep cooling recover and recovery method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947948.2A CN105413227B (en) | 2015-12-17 | 2015-12-17 | A kind of material deep cooling recover and recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413227A CN105413227A (en) | 2016-03-23 |
| CN105413227B true CN105413227B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510947948.2A Active CN105413227B (en) | 2015-12-17 | 2015-12-17 | A kind of material deep cooling recover and recovery method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000055B (en) * | 2016-07-14 | 2018-05-04 | 江苏苏博特新材料股份有限公司 | A kind of processing system of tail gas recycle containing naphthalene and method |
| CN107754369B (en) * | 2016-08-15 | 2020-01-17 | 利尔化学股份有限公司 | Desublimation device and tail gas treatment system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004067527A (en) * | 2002-08-02 | 2004-03-04 | Nippon Shokubai Co Ltd | Method for recovering sublimable substance |
| CN103913073A (en) * | 2012-12-31 | 2014-07-09 | 北京中天金谷粮油工程技术有限公司 | Edible oil negative pressure leaching horizontal condenser |
| CN203108394U (en) * | 2013-01-15 | 2013-08-07 | 山东吉安化工有限公司 | Cyclohexane oxidized tail gas treatment system |
| CN205199018U (en) * | 2015-12-17 | 2016-05-04 | 湖南省中达换热装备有限公司 | Material cryrogenic recoverer |
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| CN105413227A (en) | 2016-03-23 |
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Effective date of registration: 20240416 Address after: No. 26 Qikang Road, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province, 414000 (within Kangwang Industrial Park) Patentee after: Hunan Zhongda environmental protection and energy saving Technology Co.,Ltd. Country or region after: China Address before: No. 26 Qikang Road, Kangwang Industrial Park, Yueyang City, Hunan Province, 414000 Patentee before: HUNAN ZHONGDA MECHANICAL AND ELECTRICAL Co.,Ltd. Country or region before: China |
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