CN104019592B - Ammonia refrigeration is except oil separator - Google Patents
Ammonia refrigeration is except oil separator Download PDFInfo
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- CN104019592B CN104019592B CN201410292336.XA CN201410292336A CN104019592B CN 104019592 B CN104019592 B CN 104019592B CN 201410292336 A CN201410292336 A CN 201410292336A CN 104019592 B CN104019592 B CN 104019592B
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- pot body
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Abstract
The present invention discloses a kind of novel ammonia refrigeration except oil separator, and ammonia steam inlet tube gos deep in oil removing separator pot body and the mouth of pipe is provided with out air sifter cage, gos deep into being welded with tapering cap on the pipeline outer wall in oil removing separator pot body; Oil removing separator pot body top connects cyclone separator through pipeline, and oil removing separator tank base is connected through pipeline in the bottom of cyclone separator; The top of tubular heat exchange shell side is connected through pipeline in cyclone separator top, and lower part of tubular heat exchange shell side is respectively equipped with valve and connects ammoniacal liquor storage tank and oil removing separator pot; The lower pipe journey of tubular heat exchange connects cooling water inlet pipe, and upper pipe journey connects cooling water outlet pipe. The present invention, by repeatedly being caught by the lubricating oil that ammonia steam carries, eliminates in ammonia steam the lubricating oil carried comparatively thoroughly, eliminates oil film to greatest extent to the impact of condensation and liquefaction, improve serviceability, saving electric power, structure is simple, practical.
Description
Technical field
The present invention relates to the front separator for oil removing of ammoniacal liquorization in a kind of ammonia refrigerating installation.
Background technology
Ammonia has excellent thermomechanical property, in relatively large refrigeration system, is all generally adopt ammonia as refrigeration agent. In the compression freezed, condensation, throttling, evaporation four step circulate, the condensation of ammonia is wherein one of four step circulations, ammonia condenser is exactly the condensation liquefaction utilizing recirculated water heat exchange to realize ammonia steam, and the general design pressure of ammonia condenser, close to 2.5MP, is typical pressurized vessel.
In the liquefaction and condensation cycle of ammonia, overall heat transfer coefficient affects by more factor, wherein affects by lubricating oil oil film relatively big, owing to compressor operating needs good lubrication, is thus added with a certain amount of lubricating oil in system.
Although lubricating oil and ammonia are immiscible solutions, but being carried by ammonia circulation, after particularly entering condenser, the lubricating oil that ammonia carries can form one layer of oil film on heat exchanger tube tube wall. Owing to oil viscosity is big, heat transmission resistance is also very big, so this layer of oil film can reduce the overall heat transfer coefficient of tubular heat exchange greatly, once heat transfer coefficient decline, condensing pressure will be caused to raise, compressor power consumption also can sharply be increased, coefficient of refrigerating performance declines, and makes the work situation severe exacerbation of refrigeration system.
Therefore, before ammonia steam enters condenser, it is necessary to carry out separating of oil, usually adopting now washing type to fall speed sedimentation and catch in conjunction with inertia oil of turning back, avoid it to enter condenser, but separation degree is limited, effect is far from reaching the expected value of people.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, there is provided a kind of novel ammonia refrigeration except oil separator, should except oil separator be by repeatedly catching the lubricating oil that ammonia steam carries, eliminate in ammonia steam the lubricating oil carried comparatively thoroughly, eliminate oil film to greatest extent to the impact of ammonia vapor condensation and liquefaction, improve condensation and the liquefaction efficiency of ammonia steam, thus improve the serviceability of ammonia refrigerating installation, save electric power, there is structure simple, practical feature.
For overcoming the deficiencies in the prior art, the present invention takes following technical scheme:
A kind of novel ammonia refrigeration is except oil separator, comprise tubular heat exchange, cyclone separator and oil removing separator pot body, it is characterized in that: treat that oil removing ammonia steam inlet tube gos deep in oil removing separator pot body and the mouth of pipe is provided with out air sifter cage, go deep into treating in oil removing separator pot body and oil removing ammonia steam inlet tube outer wall is welded with tapering cap; Oil removing separator pot body top connects cyclone separator through oil return pipe, and oil removing separator tank base is connected through pipeline in the bottom of cyclone separator; The top of tubular heat exchange shell side is connected through pipeline in cyclone separator top, and lower part of tubular heat exchange shell side is respectively equipped with deammoniation liquid storage tank valve and connects ammoniacal liquor storage tank and oil removing separator pot; The lower pipe journey of tubular heat exchange connects cooling water inlet pipe, and upper pipe journey connects cooling water outlet pipe; The bottom of oil removing separator pot body is provided with draining valve.
Regulating height and the aperture of deammoniation liquid storage tank valve and coupling cock, it is possible to make the maintenance substantially constant in the ammoniacal liquor face in oil removing separator pot body, when ammoniacal liquor face exceedes the height of deammoniation liquid storage tank valve, ammoniacal liquor can flow into ammoniacal liquor storage tank automatically.
From treating the high temperature of oil removing ammonia steam inlet tube, by going out, air sifter cage spreads discharge to high pressure ammonia steam under ammoniacal liquor face, the heat exchange washing directly contacted is formed with ammoniacal liquor, now lubricating oil is caught for the first time, overflows the ammonia steam in ammoniacal liquor face because heat exchange washing, becomes the saturated ammonia steam close to normal temperature.
Owing to ammoniacal liquor vaporization can make ammoniacal liquor face decline, the ammoniacal liquor of tubular heat exchange shell side can be added in oil removing separator pot body by coupling cock, and keep constant ammoniacal liquor face.
Overflowing the ammonia steam in ammoniacal liquor face because the diameter of oil removing separator pot body is relatively big, gas velocity reduces, and oil drips can fully carry out gravity settling, and now lubricating oil is caught for the second time.
When through size intersect multilayer tapering cap time because air-flow scalable with turn back, oil drip can because inertia be rebuffed by wall face catch dirty, now lubricating oil is caught for the third time.
Ammonia steam is by the pipe connecting of oil removing separator pot body and cyclone separator, tangentially enter cyclone separator, owing to the diameter of pipe connecting is far smaller than the diameter of oil removing separator pot body, thus the flow velocity of ammonia steam is accelerated, high-speed rotational makes oil drip by centrifugation disengaging gas phase, attachment cyclonic separation wall face is dirty, the bottom of oil removing separator pot is flowed into by pipeline, owing to oil density is greater than liquefied ammonia, such oil is deposited on tank base, avoid again being taken up spilling liquid level, it is achieved the 4th time of lubricating oil catches.
The whole lubricating oil captured can be discharged by the draining valve of oil removing separator tank base.
The ammonia steam connection tube at cyclone separator top is by the oil removing pipe bundle condenser of saturated ammonia steam importing thoroughly, so that it may to realize efficient liquefaction and the condensation of ammonia steam.
Compared with prior art, the useful effect of the present invention is:
The separating of oil combination do not have the special advantages of simple of moving parts, structure, carrying out multistep ensures reliable thoroughly by out separating of oil, thoroughly stops oil and enters condenser formation oil film, affects heat exchange condensation; Improve overall heat transfer coefficient, just can reduce ammonia condensing pressure, Compressor Discharge Pressure is reduced greatly, power consumption reduces; Ammonia vapor movement process carries out multistep oil removing, but resistance is very little, too much power consumption can not be increased; Equipment is simple and reliable, simple operation, does not substantially need to safeguard, practical, has a extensive future.
Accompanying drawing explanation
Fig. 1 is the two dimensional structure schematic diagram of novel ammonia refrigeration except oil separator.
In figure, each label represents:
1, oil removing ammonia steam inlet tube is treated; 2, oil removing separator pot body; That 3, gos deep into oil separator tank body treats oil removing ammonia steam inlet tube; 4, tapering cap; 5, ammoniacal liquor face; 6, air sifter cage is gone out; 7, oil return pipe; 8, ammonia steam connection tube; 9, tubular heat exchange; 10, cooling water outlet pipe; 11, deammoniation liquid storage tank valve; 12, cooling water inlet pipe; 13 coupling cocks; 14, pipe connecting; 15, cyclone separator; 16, draining valve.
Embodiment
Now by reference to the accompanying drawings, the present invention is specifically illustrated further.
Novel ammonia refrigeration is except oil separator as shown in Figure 1, comprise tubular heat exchange 9, cyclone separator 15 and oil removing separator pot body 2, treat that oil removing ammonia steam inlet tube 1 gos deep in oil removing separator pot body 2 and the mouth of pipe is provided with out air sifter cage 6, go deep into treating in oil removing separator pot body and oil removing ammonia steam inlet tube 3 outer wall is welded with tapering cap 4; Oil removing separator pot body 2 top connects cyclone separator 15 through pipe connecting 14, and oil removing separator tank base is connected through oil return pipe 7 in the bottom of cyclone separator 15; The top of tubular heat exchange 9 shell side is connected through ammonia steam connection tube 8 in cyclone separator top, and the lower half of tubular heat exchange shell side is provided with deammoniation liquid storage tank valve 11 and connects ammoniacal liquor storage tank and coupling cock 13 connects oil removing separator pot; The lower pipe journey of tubular heat exchange 9 connects cooling water inlet pipe 12, and upper pipe journey connects cooling water outlet pipe 10; The bottom of oil removing separator pot body 2 is provided with draining valve 16.
Regulating height and the aperture of deammoniation liquid storage tank valve 11 and coupling cock 13, it is possible to make the maintenance substantially constant in the ammoniacal liquor face 5 in oil removing separator pot body 2, when ammoniacal liquor face 5 exceedes the height of deammoniation liquid storage tank valve 11, ammoniacal liquor can flow into ammoniacal liquor storage tank automatically.
From treat the high temperature of oil removing ammonia steam inlet tube 1, high pressure ammonia steam by go out air sifter cage 6 in ammoniacal liquor face 5 times diffusions discharge, the heat exchange washing directly contacted is formed with ammoniacal liquor, now lubricating oil is caught for the first time, overflow the ammonia steam in ammoniacal liquor face 5 because heat exchange washing, become the saturated ammonia steam close to normal temperature.
Owing to ammoniacal liquor vaporization can make ammoniacal liquor face decline, the ammoniacal liquor of tubular heat exchange shell side can be added in oil removing separator pot body 2 by coupling cock 13, and keep constant ammoniacal liquor face 5.
Overflowing the ammonia steam in ammoniacal liquor face 5 because the diameter of oil removing separator pot body is relatively big, gas velocity reduces, and oil drips can fully carry out gravity settling, and now lubricating oil is caught for the second time.
When through size intersect multilayer tapering cap 4 time because air-flow scalable with turn back, oil drip can because inertia be rebuffed by wall face catch dirty, now lubricating oil is caught for the third time.
Ammonia steam is by the pipe connecting 14 of oil removing separator pot body 2 with cyclone separator 15, tangentially enter cyclone separator 15, owing to the diameter of pipe connecting is far smaller than the diameter of oil removing separator pot body, thus the flow velocity of ammonia steam is accelerated, high-speed rotational makes oil drip by centrifugation disengaging gas phase, attachment cyclone separator 15 wall face is dirty, the bottom of oil removing separator pot 2 is flowed into by oil return pipe 7, owing to oil density is greater than liquefied ammonia, such oil is deposited on tank base, avoid again being taken up spilling liquid level, it is achieved the 4th time of lubricating oil catches.
The whole lubricating oil captured can be discharged by the draining valve 16 bottom oil removing separator pot body 2.
The ammonia steam connection tube 8 at cyclone separator 15 top is by the oil removing tubular heat exchange 9 of saturated ammonia steam importing thoroughly, so that it may to realize efficient liquefaction and the condensation of ammonia steam.
The better embodiment of above-mentioned just the present invention, not does any restriction in form to the present invention. Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible variations and modification, or be revised as the equivalent embodiment of equivalent variations. Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (1)
1. an ammonia refrigeration is except oil separator, comprise tubular heat exchange, cyclone separator and oil removing separator pot body, it is characterized in that: treat that oil removing ammonia steam inlet tube gos deep in oil removing separator pot body and the mouth of pipe is provided with out air sifter cage, go deep into treating in oil removing separator pot body and oil removing ammonia steam inlet tube outer wall is welded with tapering cap; Oil removing separator pot body top connects cyclone separator through pipeline, and oil removing separator tank base is connected through oil return pipe in the bottom of cyclone separator; The top of tubular heat exchange shell side is connected through pipeline in cyclone separator top, and lower part of tubular heat exchange shell side is respectively equipped with deammoniation liquid storage tank valve and connects ammoniacal liquor storage tank and oil removing separator pot; The lower pipe journey of tubular heat exchange connects cooling water inlet pipe, and upper pipe journey connects cooling water outlet pipe; The bottom of oil removing separator pot body is provided with draining valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410292336.XA CN104019592B (en) | 2014-06-26 | 2014-06-26 | Ammonia refrigeration is except oil separator |
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| CN201410292336.XA CN104019592B (en) | 2014-06-26 | 2014-06-26 | Ammonia refrigeration is except oil separator |
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| CN104019592A CN104019592A (en) | 2014-09-03 |
| CN104019592B true CN104019592B (en) | 2016-06-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966523B (en) * | 2017-05-31 | 2023-07-18 | 河南龙成煤高效技术应用有限公司 | Surplus aqueous ammonia oil water separator |
| JP6829664B2 (en) * | 2017-07-10 | 2021-02-10 | 荏原冷熱システム株式会社 | Compressed refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618127A (en) * | 1992-07-01 | 1994-01-25 | Daikin Ind Ltd | Oil separator |
| CN1766466A (en) * | 2004-10-29 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Oil separator |
| CN1896649A (en) * | 2005-07-15 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Liquid-vapor separator of air conditioner |
| CN201599993U (en) * | 2009-11-25 | 2010-10-06 | 烟台顿汉布什工业有限公司 | Novel centrifugal type oil separator |
| EP2503268A2 (en) * | 2011-03-24 | 2012-09-26 | Airbus Operations GmbH | Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement |
| CN203908146U (en) * | 2014-06-26 | 2014-10-29 | 吉首大学 | Novel oil removal separator for ammonia refrigeration |
-
2014
- 2014-06-26 CN CN201410292336.XA patent/CN104019592B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618127A (en) * | 1992-07-01 | 1994-01-25 | Daikin Ind Ltd | Oil separator |
| CN1766466A (en) * | 2004-10-29 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Oil separator |
| CN1896649A (en) * | 2005-07-15 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Liquid-vapor separator of air conditioner |
| CN201599993U (en) * | 2009-11-25 | 2010-10-06 | 烟台顿汉布什工业有限公司 | Novel centrifugal type oil separator |
| EP2503268A2 (en) * | 2011-03-24 | 2012-09-26 | Airbus Operations GmbH | Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement |
| CN203908146U (en) * | 2014-06-26 | 2014-10-29 | 吉首大学 | Novel oil removal separator for ammonia refrigeration |
Non-Patent Citations (1)
| Title |
|---|
| 氨制冷系统洗涤式油分离器底部过热处理;马金义;《张家口职业技术学院学报》;19991130;第12卷(第4期);正文1-3页，图1-3 * |
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| CN104019592A (en) | 2014-09-03 |
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Effective date of registration: 20181220 Address after: 401120 No. 7, East Airport Road, Shuangfengqiao Street, Yubei District, Chongqing Patentee after: Chongqing Brilliant Aluminum Furniture Co.,Ltd. Address before: 416000 No. 120 Renmin South Road, Jishou City, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Patentee before: Jishou University |
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Effective date of registration: 20201111 Address after: 244000 Huayuan Road, Tongling, Anhui, No. 192 on the first floor Patentee after: Tongling Hailin Management Consulting Co.,Ltd. Address before: 401120 No. 7, East Airport Road, Shuangfengqiao Street, Yubei District, Chongqing Patentee before: Chongqing Brilliant Aluminum Furniture Co.,Ltd. |
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Effective date of registration: 20230816 Address after: 266000 East End of Dongjiaxin Road, Haojiazhuang Village, Daxin Town, Jimo District, Qingdao City, Shandong Province Patentee after: QINGDAO BEILADE REFRIGERATION ACCESSORIES Co.,Ltd. Address before: 244000 1st floor, 192 Huayuan Road, Tongling City, Anhui Province Patentee before: Tongling Hailin Management Consulting Co.,Ltd. |