CN102095282B - Refrigeration concentric circle sleeve-type vertical falling film absorber - Google Patents
Refrigeration concentric circle sleeve-type vertical falling film absorber Download PDFInfo
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- CN102095282B CN102095282B CN201110032038A CN201110032038A CN102095282B CN 102095282 B CN102095282 B CN 102095282B CN 201110032038 A CN201110032038 A CN 201110032038A CN 201110032038 A CN201110032038 A CN 201110032038A CN 102095282 B CN102095282 B CN 102095282B
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- absorber
- end cover
- cooling water
- liquid film
- falling liquid
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a refrigeration concentric circle sleeve-type vertical falling film absorber. An upper end cover, a middle piece falling film region and a lower end cover of the absorber are connected with one another through flange bolts sequentially from top to bottom; the upper end cover and the lower end cover are provided with an absorption solution inlet/outlet, a cooling water inlet/outlet and an air inlet/outlet respectively; the middle piece falling film region has a concentric circle sleeve structure; annular spaces formed between sleeves are divided into falling film liquidflow channels and cooling water flow channels which are distributed at intervals; a falling film is form on the wall of the two sides of an absorption liquid flow channel; the diameter positions on the upper end face and the lower end face of the middle piece falling film region are parallelly connected with a groove structural body respectively; one side of the groove structural body is providedwith a longitudinal groove, and the other side of the groove structural body is provided with a horizontal groove; the longitudinal groove is connected with a cooling water insulation structural bodyin an embedding way; each horizontal groove is connected with a concentric circle sleeve in a clamping way; and an annular film forming structural body is arranged on the upper part of each falling film liquid flow channel. By the absorber, the area of the falling film is greatly increased, and absorption efficiency is greatly improved; equipment is compact and heat is exchanged efficiently; and the miniaturization of the absorber is facilitated.
Description
Technical field
The present invention relates to a kind of cooling concentric circles socket type vertically moving membrane absorber.Be used for absorption refrigeration industry or other related industries such as air-conditioning, refrigeration.
Background technology
Absorber is an extremely important part in the absorption system; Its volume, performance all play crucial effects to cooling cycle system; Use maximum absorbers to adopt the outer falling film type of horizontal tube to absorb in the market; This falling liquid film mode exists that volume is excessive, film forming be difficult for uniform and stable, problem such as absorption efficiency is low.The heat and mass transfer performance of vertical tube falling-film absorber is superior to horizontal tube under the same condition of work, and main because vertical tube cloth liquid is even, coverage rate is good.Though these advantages are arranged, the volume ratio bubble type of same absorbent effect descending film absorber is big, so improve the assimilation effect of vertical tube falling film absorbre, the research that reduces the absorber volume remains urgent problem.
Summary of the invention
The invention discloses a kind of cooling concentric circles socket type vertically moving membrane absorber, its purpose is big in order to overcome existing falling-film absorber volume, and film forming is difficult for uniform and stable, the low deficiency that waits of absorption efficiency.The concentric circles socket type vertically moving membrane absorber of the present invention's design; Utilize the concentric circles tube-in-tube structure; The annulus that forms between the sleeve is respectively falling film absorption runner and cooling water runner (like Fig. 2), compares with traditional vertical tube falling liquid film mode, and its falling liquid film area is original 1.56-2.0 times; And the alternate layout of absorption liquid runner and cooling water runner makes cooling effect strengthen; Not only increased the falling film absorption area, and improved absorption efficiency, reached the purpose that reduces the absorber volume through the improvement of heat exchange effect.
A kind of cooling concentric circles socket type vertically moving membrane absorber; Comprise absorber upper end cover, stage casing falling liquid film district, three sections of absorber bottom end cover, it is characterized in that: absorber upper end cover, stage casing falling liquid film district, three sections of absorber bottom end cover are flange bolt connection successively from top to bottom;
A) falling liquid film district, described stage casing adopts the concentric circles tube-in-tube structure, and the annulus that forms between the sleeve is falling liquid film flow road and cooling water runner, and falling liquid film flow road and cooling water runner are spaced apart; Each parallel connection one groove structure body of the upper and lower end face diametrical position in falling liquid film district in the stage casing; Described groove structure body, one side are the vertical groove of " U " shape, and another side is the horizontal groove of " U " shape, and the quantity of horizontal groove is the twice of concentric circles sleeve quantity, each horizontal groove clamping concentric circles sleeve; On the top in falling liquid film flow road ring is set and forms film structure, described ring forms on the film structure and connects location structure, and location structure is fixed on the sleeve falling liquid film plate of both sides; Solution forms the sleeve falling liquid film plate formation falling liquid film of film structure along both sides, falling liquid film flow road through ring;
B) at the absorber upper end cover, a side of groove structure body is provided with the absorption liquid import, opposite side is provided with coolant outlet, and absorber upper end cover top center position is provided with gas vent;
C) in absorber bottom end cover groove structure body both sides, with absorption liquid import homonymy cooling water inlet is set, with the coolant outlet homonymy gas feed is set, absorber bottom end cover bottom centre position is provided with the absorption liquid outlet;
D) in the coolant outlet side of absorber upper end cover and the cooling water inlet side of absorber bottom end cover cooling water isolation structure body is set respectively; Described cooling water isolation structure body is the half-cylindrical cavity that is surrounded by a semicircle dividing plate, a rectangular clapboard and corresponding end cap inwall; The vertical welding of one lateral edges of its semicircle dividing plate diameter side and rectangular clapboard; Round edge side and the welding of corresponding end cap inwall; The another side interlocking of its rectangular clapboard is used rubber seal between the interlocking in the vertical groove of groove structure body;
E) in the coolant outlet side of absorber upper end cover and the cooling water inlet side of absorber bottom end cover; The falling liquid film flow road sealing of the upper and lower end face in falling liquid film district, stage casing; And the cooling water runner is communicated with cooling water isolation structure body; In absorption liquid import one side of absorber upper end cover and gas feed one side of absorber bottom end cover, the sealing of the cooling water runner of the upper and lower end face in stage casing falling liquid film district, and falling liquid film flow road is communicated with the absorption liquid import of absorber upper end cover and the gas feed of absorber bottom end cover respectively.The upper and lower end face in falling liquid film district, stage casing all adopts the open layout in open half the falling liquid film flow road of half cooling water runner; And the two ends of groove structure body and between the outer casing inner wall in stage casing falling liquid film district; And upper and lower end face place, stage casing falling liquid film district has falling liquid film flow road and the cooling water runner of sealing all to realize sealing through welding, falling liquid film liquid and cooling water circulated at separately runner do not disturb mutually.
It is the plate of an annular that described ring forms film structure, protruding in the middle of the annular upper end face, and dual-side tilts, and solution can directly be diverted on the sleeve falling liquid film plate of both sides after falling ring formation film structure, and along the wall film forming, liquid film is even, nothing left liquid on the plate.
Described ring forms on the film structure and is connected with three location structures.
The beneficial effect of concentric circles socket type vertically moving membrane absorber according to the invention:
1. adopt tube-in-tube structure layer by layer, the falling liquid film area is 1.56-2.0 a times of traditional falling liquid film area, has increased the falling liquid film area greatly, has improved absorption efficiency.
2. the falling liquid film in both sides, falling liquid film flow road, and the layout of cooling water runner and falling liquid film runner space when increasing the falling liquid film area, has improved the utilization ratio of cooling water, has improved cooling effect, has strengthened heat transfer, helps realizing the miniaturization of absorber.
3. adopt ring to form membrane structure, overcome problems such as falling liquid film is unstable inhomogeneous.
4. adopt the groove structure body, not only realized the upper and lower end cap of absorber inner with being connected and sealing of stage casing falling liquid film district, also solved the fixation problem of sleeve.
Description of drawings
Fig. 1 concentric circles socket type vertically moving membrane absorber overall structure sketch map;
Fig. 2 concentric circles socket type vertically moving membrane absorber (A-A) profile;
Fig. 3 groove structure body sketch map;
(descending) end view drawing in the falling liquid film district, Fig. 4 concentric circles socket type vertically moving membrane absorber stage casing;
Falling liquid film district, Fig. 5 stage casing cross section (B-B) partial schematic diagram;
Fig. 6 stage casing falling liquid film district center vertical section partial schematic diagram;
Fig. 7 ring forms the film structure sketch map;
Fig. 8 ring forms film structure cross-section (C-C) profile.
1, absorber upper end cover, 2, stage casing falling liquid film district, 3, the absorber bottom end cover, 4, gas feed, 5, gas vent; 6, absorption liquid import, 7, absorption liquid outlet, 8, cooling water inlet, 9, coolant outlet, 10, sleeve falling liquid film plate; 11, ring forms film structure, and 12, location structure, 13, cooling water isolation structure body, 14, the cooling water runner, 15, falling liquid film flow road; 16, groove structure body, 17, vertical groove, 18, horizontal groove, 19, bolt.
(during the following current operation, the 5th, be absorbed gas feed, the 4th, be absorbed gas vent; 4 is to be absorbed gas feed during counter-current operation, the 5th, be absorbed gas vent, be example with the adverse current)
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is explained further details.
Like Fig. 1, shown in Figure 2: a kind of cooling concentric circles socket type vertically moving membrane absorber comprises that mainly absorber upper end cover 1, stage casing falling liquid film district 2, absorber bottom end cover 3, gas feed 4, gas vent 5, absorption liquid import 6, absorption liquid outlet 7, cooling water inlet 8, coolant outlet 9, sleeve falling liquid film plate 10, ring form membrane structure 11, location structure 12, cooling water isolation structure body 13, groove structure body 16, bolt 19.
Absorber upper end cover 1, stage casing falling liquid film district 2,3 three sections of absorber bottom end cover are flange bolt connection successively from top to bottom; Falling liquid film district, described stage casing 2 adopts the concentric circles tube-in-tube structure, and the annulus that forms between the sleeve is falling liquid film flow road 15 and cooling water runner 14, and falling liquid film flow road and cooling water runner are spaced apart; Each parallel connection one groove structure body 16 of the upper and lower end face diametrical position in falling liquid film district 2 in the stage casing.
As shown in Figure 3: described groove structure body 16; One side is the vertical groove of " U " shape, and another side is the horizontal groove of " U " shape, and the quantity of horizontal groove is the twice of concentric circles sleeve quantity; Each horizontal groove clamping concentric circles sleeve plays the fixedly effect of concentric circles sleeve of connection.
Like Fig. 5 and shown in Figure 7: on the top in falling liquid film flow road 15 ring is set and forms film structure 11, described ring forms and connects location structure 12 on the film structure 11, and location structure 12 is fixed on the sleeve falling liquid film plate 10 of both sides;
As shown in Figure 6: solution forms the sleeve falling liquid film plate 10 formation falling liquid films of film structure 11 along 15 both sides, falling liquid film flow road through ring;
As shown in Figure 8, it is annular plates that described ring forms film structure 11, and it is middle protruding that ring forms film structure 11 upper surfaces; Dual-side tilts; Solution can directly be diverted on the sleeve falling liquid film plate 10 of both sides, along the wall film forming after falling ring formation film structure 11; Liquid film is even, nothing left liquid on the plate.Described ring forms on the film structure 11 and is connected with three location structures 12.
As shown in Figure 2, at absorber upper end cover 1, a side of groove structure body is provided with absorption liquid import 6, opposite side is provided with coolant outlet 9, and absorber upper end cover 1 top center position is provided with gas vent 5; In absorber bottom end cover 3 groove structure body both sides, with absorption liquid import 6 homonymies cooling water inlet 8 is set, with coolant outlet 9 homonymies gas feed 4 is set, absorber bottom end cover bottom centre position is provided with absorption liquid outlet 7.
In the coolant outlet side of absorber upper end cover and the cooling water inlet side of absorber bottom end cover cooling water isolation structure body 13 is set respectively; Described cooling water isolation structure body 13 is the half-cylindrical cavitys that surrounded by a semicircle dividing plate, a rectangular clapboard and corresponding end cap inwall; The vertical welding of one lateral edges of its semicircle dividing plate diameter side and rectangular clapboard; Round edge side and the welding of corresponding end cap inwall; The another side interlocking of its rectangular clapboard is used rubber seal between the interlocking in the vertical groove 17 of groove structure body.
As shown in Figure 4: in coolant outlet 9 sides of absorber upper end cover and cooling water inlet 8 sides of absorber bottom end cover; Falling liquid film flow road 15 sealings of falling liquid film district, stage casing 2 upper and lower end faces; And cooling water runner 14 is communicated with cooling water isolation structure body 13; In absorption liquid import 6 one sides of absorber upper end cover and gas feed 4 one sides of absorber bottom end cover; Cooling water runner 14 sealings of falling liquid film district, stage casing 2 upper and lower end faces, and falling liquid film flow road 15 is communicated with the absorption liquid import 6 of absorber upper end cover and the gas feed 4 of absorber bottom end cover respectively.Falling liquid film district, stage casing 2 upper and lower end faces all adopt the open layout in open half the falling liquid film flow road of half cooling water runner; And the two ends of groove structure body 16 and between the outer casing inner wall in stage casing falling liquid film district 2; And upper and lower end face place, stage casing falling liquid film district has falling liquid film flow road and the cooling water runner of sealing all to realize sealing through welding, falling liquid film liquid and cooling water circulated at separately runner do not disturb mutually.
Absorbent solution gets into absorber from absorption liquid import 6; Get into falling liquid film district, stage casing 2 by falling liquid film flow road open sides; Form film structure 11 cloth films through ring, flow down, flow into bottom end cover and flow out by absorption liquid outlet 7 along sleeve falling liquid film plate 10 film forming of both sides, falling liquid film flow road.Cooling water gets into bottom end cover cooling water isolation structure body 13 from open cooling water annular channel entering falling liquid film district, stage casing 2 by cooling water inlet 8; Up flow at cooling water runner 14; Absorb heat mobile the taking away of cooling water annular channel; Get into the cooling water isolation structure body 13 of upper end cover, flow out from coolant outlet 9.
During counter-current operation; Absorption liquid gets into absorber and the film forming in falling liquid film flow road from absorption liquid import 6; Being absorbed gas gets into from gas feed 4; On falling liquid film flow road, rise and falling liquid film liquid reverse flow absorbing contacting, absorb the solution of ending and discharge, absorb remaining gas and handle from gas vent 5 discharges from absorption liquid outlet 7.During the following current operation; Absorption liquid gets into absorber and the film forming in falling liquid film flow road from absorption liquid import 6; Gas feed 5 gets into absorber from the upper end to be absorbed gas; With the equidirectional mobile absorbing contacting of falling liquid film, the solution that absorption ends is discharged from absorption liquid outlet 7 in the falling liquid film runner, absorbs remaining gas and handles from lower gas outlet 4 discharges.Wen Zhongjun is example with the counter-current operation.
Claims (3)
1. cooling concentric circles socket type vertically moving membrane absorber; Comprise absorber upper end cover (1), stage casing falling liquid film district (2), (3) three sections of absorber bottom end cover, it is characterized in that: absorber upper end cover (1), stage casing falling liquid film district (2), (3) three sections of absorber bottom end cover are flange bolt connection successively from top to bottom;
A) falling liquid film district, described stage casing (2) adopts the concentric circles tube-in-tube structure, and the annulus that forms between the sleeve is falling liquid film flow road (15) and cooling water runner (14), and falling liquid film flow road and cooling water runner are spaced apart; Each parallel connection one groove structure body (16) of the upper and lower end face diametrical position of falling liquid film district (2) in the stage casing; Described groove structure body (16), one side are the vertical groove of " U " shape, and another side is the horizontal groove of " U " shape, and the quantity of horizontal groove is the twice of concentric circles sleeve quantity, each horizontal groove clamping concentric circles sleeve; On the top in falling liquid film flow road (15) ring is set and forms film structure (11), described ring forms film structure (11) and goes up connection location structure (12), and location structure (12) is fixed on the sleeve falling liquid film plate (10) of both sides;
B) in absorber upper end cover (1), a side of groove structure body is provided with absorption liquid import (6), opposite side is provided with coolant outlet (9), and absorber upper end cover (1) top center position is provided with gas vent (5);
C) in absorber bottom end cover (3) groove structure body both sides, with absorption liquid import (6) homonymy cooling water inlet (8) is set, with coolant outlet (9) homonymy gas feed (4) is set, absorber bottom end cover bottom centre position is provided with absorption liquid outlet (7);
D) in the coolant outlet side of absorber upper end cover and the cooling water inlet side of absorber bottom end cover cooling water isolation structure body (13) is set respectively; Described cooling water isolation structure body (13) is by a semicircle dividing plate, a rectangular clapboard and corresponding end cap inwall; The half-cylindrical cavity that surrounds; The vertical welding of one lateral edges of its semicircle dividing plate diameter side and rectangular clapboard; Round edge side and the welding of corresponding end cap inwall, the another side interlocking of its rectangular clapboard is used rubber seal between the interlocking in the vertical groove (17) of groove structure body;
E) in coolant outlet (9) side of absorber upper end cover and cooling water inlet (8) side of absorber bottom end cover; Falling liquid film flow road (15) sealing of the upper and lower end face in falling liquid film district, stage casing (2); And cooling water runner (14) is communicated with cooling water isolation structure body (13); In absorption liquid import (6) one sides of absorber upper end cover and gas feed (4) one sides of absorber bottom end cover; Cooling water runner (14) sealing of the upper and lower end face in falling liquid film district, stage casing (2), and falling liquid film flow road (15) is communicated with the absorption liquid import (6) of absorber upper end cover and the gas feed (4) of absorber bottom end cover respectively.
2. a kind of cooling concentric circles socket type vertically moving membrane absorber according to claim 1; It is characterized in that: it is an annular plate that described ring forms film structure (11); Protruding in the middle of the annular upper end face, dual-side tilts, after solution is fallen ring formation film structure (11); Directly be diverted on the sleeve falling liquid film plate (10) of both sides, along the wall film forming.
3. a kind of cooling concentric circles socket type vertically moving membrane absorber according to claim 1 and 2 is characterized in that: described ring forms on the film structure (11) and is connected with three location structures (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032038A CN102095282B (en) | 2011-01-28 | 2011-01-28 | Refrigeration concentric circle sleeve-type vertical falling film absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032038A CN102095282B (en) | 2011-01-28 | 2011-01-28 | Refrigeration concentric circle sleeve-type vertical falling film absorber |
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| Publication Number | Publication Date |
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| CN102095282A CN102095282A (en) | 2011-06-15 |
| CN102095282B true CN102095282B (en) | 2012-10-10 |
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| CN201110032038A Expired - Fee Related CN102095282B (en) | 2011-01-28 | 2011-01-28 | Refrigeration concentric circle sleeve-type vertical falling film absorber |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599687A (en) * | 2013-10-17 | 2014-02-26 | 中国石油化工股份有限公司 | Reel falling film type poisonous and harmful gas absorption method |
| CN103994607B (en) * | 2014-05-19 | 2016-03-23 | 东南大学 | The vertical good antiscale property falling film absorbing device of a kind of shell |
| CN105223145B (en) * | 2015-09-28 | 2019-05-07 | 深圳市美特瑞科技发展有限公司 | A kind of Full-automatic gas detection device and its application method |
| CN105928256A (en) * | 2016-05-12 | 2016-09-07 | 太仓市顺邦防腐设备有限公司 | Concentric-circle sleeve type perpendicular falling film absorber for refrigeration |
| CN114522643A (en) * | 2022-03-04 | 2022-05-24 | 中国石油大学(华东) | Temperature control device and reaction kettle, generation system and method for gas hydrate of temperature control device |
Citations (5)
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|---|---|---|---|---|
| CN2046768U (en) * | 1989-02-03 | 1989-11-01 | 山东新华制药厂 | Graphite modified polyacrylic falling-film absorption instrument |
| US5689971A (en) * | 1995-09-22 | 1997-11-25 | Gas Research Institute | Absorption cooling system utilizing helical absorbers |
| US6679083B1 (en) * | 2002-08-02 | 2004-01-20 | Donald C. Erickson | Opposed slant tube diabatic sorber |
| CN201098600Y (en) * | 2007-10-22 | 2008-08-13 | 周松玉 | Filling type film-falling absorber |
| CN101398276A (en) * | 2008-10-23 | 2009-04-01 | 姚松年 | Tubular graphite equipment |
-
2011
- 2011-01-28 CN CN201110032038A patent/CN102095282B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046768U (en) * | 1989-02-03 | 1989-11-01 | 山东新华制药厂 | Graphite modified polyacrylic falling-film absorption instrument |
| US5689971A (en) * | 1995-09-22 | 1997-11-25 | Gas Research Institute | Absorption cooling system utilizing helical absorbers |
| US6679083B1 (en) * | 2002-08-02 | 2004-01-20 | Donald C. Erickson | Opposed slant tube diabatic sorber |
| CN201098600Y (en) * | 2007-10-22 | 2008-08-13 | 周松玉 | Filling type film-falling absorber |
| CN101398276A (en) * | 2008-10-23 | 2009-04-01 | 姚松年 | Tubular graphite equipment |
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