CN203908146U - Novel oil removal separator for ammonia refrigeration - Google Patents
Novel oil removal separator for ammonia refrigeration Download PDFInfo
- Publication number
- CN203908146U CN203908146U CN201420345536.2U CN201420345536U CN203908146U CN 203908146 U CN203908146 U CN 203908146U CN 201420345536 U CN201420345536 U CN 201420345536U CN 203908146 U CN203908146 U CN 203908146U
- Authority
- CN
- China
- Prior art keywords
- separator
- oil removing
- oil
- heat exchanger
- tank body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 59
- 238000005057 refrigeration Methods 0.000 title claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 28
- 239000003921 oil Substances 0.000 abstract description 75
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 238000009833 condensation Methods 0.000 abstract description 10
- 230000005494 condensation Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000005238 degreasing Methods 0.000 abstract 3
- 238000005406 washing Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cyclones (AREA)
Abstract
本实用新型公开了一种新型氨制冷除油分离器，氨蒸汽进管深入除油分离器罐体内且管口设有出气筛笼，深入除油分离器罐体内的管道外壁上焊接有锥度帽；除油分离器罐体上部经管道连接旋流分离器，旋流分离器的底部经管道接通除油分离器罐体底部；旋流分离器顶部经管道接通列管换热器壳程的顶部，列管换热器壳程的下半部分分别设有阀门接通氨液储罐和除油分离器罐；列管换热器的下管程连接冷却水进水管，上管程连接冷却水出水管。本实用新型通过对氨蒸汽携带的润滑油进行多次捕捉，较为彻底的去除了氨蒸汽中携带的润滑油，最大限度的消除了油膜对冷凝和液化的影响，提升了工作性能，节省了电力，结构简单，实用性强。
The utility model discloses a novel ammonia refrigeration degreasing separator. Ammonia vapor enters a pipe and goes deep into the tank of the degreasing separator, and the mouth of the pipe is provided with an air outlet screen cage. The upper part of the oil separator tank is connected to the cyclone separator through a pipeline, and the bottom of the cyclone separator is connected to the bottom of the oil separator tank through a pipeline; the top of the cyclone separator is connected to the shell side of the tube heat exchanger through a pipeline At the top of the tube heat exchanger, the lower half of the shell side of the tube heat exchanger is respectively provided with valves connected to the ammonia liquid storage tank and the degreasing separator tank; the lower tube side of the tube heat exchanger is connected to the cooling water inlet pipe, and the upper tube side is connected to the Cooling water outlet pipe. The utility model captures the lubricating oil carried by the ammonia vapor for many times, relatively thoroughly removes the lubricating oil carried in the ammonia vapor, eliminates the influence of the oil film on condensation and liquefaction to the greatest extent, improves the working performance, and saves power , simple in structure and strong in practicability.
Description
Technical field
The utility model relates to the front separator for oil removing of ammoniacal liquorization in a kind of ammonia refrigerating installation.
Background technology
Ammonia has good thermodynamic property, in relatively large refrigeration system, is all generally to adopt ammonia as cold-producing medium.In compression, condensation, throttling, evaporation four steps of refrigeration circulate, the condensation of ammonia is wherein one of four step circulations, ammonia condenser is exactly to utilize recirculated water heat exchange to realize the condensation liquefaction of ammonia steam, and the general design pressure of ammonia condenser approaches 2.5MP, is typical pressure vessel.
In the liquefaction and condensation cycle of ammonia, overall heat-transfer coefficient is affected by more factor, affected by lubricating oil oil film larger, because compressor operating needs good lubricating, thereby in system, is added with a certain amount of lubricating oil.
Although lubricating oil and ammonia are immiscible solutions, can be carried by ammonia circulation, particularly enter after condenser, the lubricating oil that ammonia carries can form one deck oil film on heat exchanger tube tube wall.Because oil viscosity is large, heat transmission resistance is also very large, so this one deck oil film can reduce the overall heat-transfer coefficient of tubular heat exchanger greatly, once heat transfer coefficient declines, will cause that condensing pressure raises, compressor power consumption also can sharply be increased, coefficient of refrigerating performance declines, and makes the working condition severe exacerbation of refrigeration system.
Therefore, before ammonia steam enters condenser, must carry out oil separated, conventionally adopt now the sedimentation of washing type reduction of speed to catch in conjunction with the inertia oil trap of turning back, avoid it to enter condenser, but separation degree be limited, effect is far from reaching people's desired value.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art exactly, provide a kind of novel ammonia refrigeration except oil eliminator, should by the lubricating oil that ammonia steam is carried, repeatedly catch except oil eliminator, removed comparatively thoroughly the lubricating oil carrying in ammonia steam, eliminated to greatest extent the impact of oil film on ammonia steam-condensation and liquefaction, condensation and the liquefaction efficiency of ammonia steam have been improved, thereby improved the service behaviour of ammonia refrigerating installation, saved electric power, there is feature simple in structure, practical.
For overcoming the deficiencies in the prior art, the utility model is taked following technical scheme:
A kind of novel ammonia refrigeration is except oil eliminator, comprise tubular heat exchanger, cyclone separator and oil removing separator tank body, it is characterized in that: treat that oil removing ammonia steam inlet tube gos deep in oil removing separator tank body and the mouth of pipe is provided with out air sifter cage, go deep into treating in oil removing separator tank body and be welded with tapering cap on oil removing ammonia steam inlet tube outer wall; Oil removing separator tank body top connects cyclone separator through pipeline, and oil removing separator tank body bottom is connected through pipeline in the bottom of cyclone separator; The top of tubular heat exchanger shell side is connected at cyclone separator top through pipeline, the latter half of tubular heat exchanger shell side is respectively equipped with valve and connects ammoniacal liquor storage tank and oil removing separator pot; The lower tube side of tubular heat exchanger connects cooling water inlet pipe, and upper tube side connects cooling water outlet pipe; The bottom of oil removing separator tank body is provided with draining valve.
Regulate height and the aperture of deammoniation liquid storage tank valve and removal oil eliminator tank valve, can make the maintenance substantially constant of the ammoniacal liquor face in oil removing separator tank body, when ammoniacal liquor face surpasses the height of deammoniation liquid storage tank valve, ammoniacal liquor can flow into ammoniacal liquor storage tank automatically.
From high temperature, the high pressure ammonia steam for the treatment of oil removing ammonia steam inlet tube, by going out air sifter cage, under ammoniacal liquor face, spread discharge, form with ammoniacal liquor the heat exchange washing directly contacting, now lubricating oil is caught for the first time, overflows the ammonia steam of ammoniacal liquor face because heat exchange washing becomes the saturated ammonia steam that approaches normal temperature.
Because ammoniacal liquor vaporization can make ammoniacal liquor face, decline, by valve, the ammoniacal liquor of tubular heat exchanger shell side can be added in oil removing separator tank body, and keep constant ammoniacal liquor face.
Overflow the ammonia steam of ammoniacal liquor face because the diameter of oil removing separator tank body is larger, air velocity reduces, and oil droplet can fully carry out gravitational 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 droplet can be because inertia be rebuffed and be caught dirtyly by wall, now lubricating oil is caught for the third time.
Ammonia steam is by the tube connector of oil removing separator tank body and cyclone separator, tangentially enter cyclone separator, because the diameter of tube connector is far smaller than the diameter of oil removing separator tank body, thereby the flow velocity of ammonia steam is accelerated, high-speed rotational makes oil droplet centrifugalization depart from gas phase, adhere to cyclone wall dirty, by pipeline, flow into the bottom of oil removing separator pot, because oil density is greater than liquefied ammonia, oil is deposited on tank base like this, avoid again being taken up overflowing liquid level, catch for the 4th time that realizes lubricating oil.
The draining valve of oil removing separator tank body bottom can be discharged the whole lubricating oil that capture.
The ammonia steam connection tube at cyclone top, by oil removing saturated ammonia steam importing thoroughly pipe bundle condenser, just can be realized efficient liquefaction and the condensation of ammonia steam.
Compared with prior art, the beneficial effects of the utility model are:
The separated combination of oil of there is no moving component, the special advantages of simple of structure, carrying out multistep guarantees reliably thoroughly oil to be separated, and thoroughly stops oil and enters condenser and form oil film, affects heat exchange condensation; Improved overall heat-transfer coefficient, just can reduce ammonia condensing pressure, Compressor Discharge Pressure is reduced greatly, power consumption reduces; In ammonia steam motion process, carry out multistep oil removing, but resistance is very little, can increase too much power consumption; Equipment is simple and reliable, and simple operation does not need to safeguard substantially, practical, has a extensive future.
Accompanying drawing explanation
Fig. 1 is that novel ammonia refrigeration is except the planar structure schematic diagram of oil eliminator.
In figure, each label represents:
1, treat oil removing ammonia steam inlet tube; 2, oil removing separator tank body; That 3, gos deep into oil eliminator tank body treats oil removing ammonia steam inlet tube; 4, tapering cap; 5, ammoniacal liquor face; 6, go out air sifter cage; 7, oil return pipe; 8, ammonia steam connection tube; 9, pipe bundle condenser; 10, cooling water outlet pipe; 11, deammoniation liquid storage tank valve; 12, cooling water inlet pipe; 13 coupling cocks; 14, tube connector; 15, cyclone separator; 16, draining valve.
The specific embodiment
Now by reference to the accompanying drawings, the utility model is further illustrated.
Novel ammonia refrigeration is except oil eliminator as shown in Figure 1, comprise tubular heat exchanger 9, cyclone separator 15 and oil removing separator tank body 2, treat that oil removing ammonia steam inlet tube 1 gos deep in oil removing separator tank body 2 and the mouth of pipe is provided with out air sifter cage 6, go deep into treating in oil removing separator tank body and be welded with tapering cap 4 on oil removing ammonia steam inlet tube 3 outer walls; Oil removing separator tank body 2 tops connect cyclone separator 15 through tube connector 14, and oil removing separator tank body bottom is connected through pipeline 7 in the bottom of cyclone separator 15; The top of tubular heat exchanger 9 shell sides is connected at cyclone separator top through ammonia steam connection tube 8, the Lower Half of tubular heat exchanger shell side is provided with valve 11 and connects ammoniacal liquor storage tank and coupling cock 13 connection oil removing separator pots; The lower tube side of tubular heat exchanger 9 connects cooling water inlet pipe 12, and upper tube side connects cooling water outlet pipe 10; The bottom of oil removing separator tank body 2 is provided with draining valve 16.
Regulate height and the aperture of deammoniation liquid storage tank valve 11 and the separator pot valve 13 that deoils, can make the maintenance substantially constant of the ammoniacal liquor face 5 in oil removing separator tank body 2, when ammoniacal liquor face 5 surpasses the height of deammoniation liquid storage tank valve 11, ammoniacal liquor can flow into ammoniacal liquor storage tank automatically.
From high temperature, the high pressure ammonia steam for the treatment of oil removing ammonia steam inlet tube 1, by going out air sifter cage 6, in 5 times diffusions of ammoniacal liquor face, discharge, form with ammoniacal liquor the heat exchange washing directly contacting, now lubricating oil is caught for the first time, overflow the ammonia steam of ammoniacal liquor face 5 because heat exchange washing becomes the saturated ammonia steam that approaches normal temperature.
Because ammoniacal liquor vaporization can make ammoniacal liquor face, decline, by valve 13, the ammoniacal liquor of tubular heat exchanger shell side can be added in oil removing separator tank body 2, and keep constant ammoniacal liquor face 5.
Overflow the ammonia steam of ammoniacal liquor face 5 because the diameter of oil removing separator tank body is larger, air velocity reduces, and oil droplet can fully carry out gravitational 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 droplet can be because inertia be rebuffed and be caught dirtyly by wall, now lubricating oil is caught for the third time.
Ammonia steam is the tube connector 14 with cyclone separator 15 by oil removing separator tank body 2, tangentially enter cyclone separator 15, because the diameter of tube connector is far smaller than the diameter of oil removing separator tank body, thereby the flow velocity of ammonia steam is accelerated, high-speed rotational makes oil droplet centrifugalization depart from gas phase, adhere to cyclone wall dirty, by oil return pipe 7, flow into the bottom of oil removing separator pot 2, because oil density is greater than liquefied ammonia, oil is deposited on tank base like this, avoid again being taken up overflowing liquid level, catch for the 4th time that realizes lubricating oil.
The draining valve 16 of oil removing separator tank body 2 bottoms can be discharged the whole lubricating oil that capture.
The ammonia steam connection tube 8 at cyclone top, by oil removing saturated ammonia steam importing thoroughly pipe bundle condenser 9, just can be realized efficient liquefaction and the condensation of ammonia steam.
Above-mentioned is preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (1)
1. a novel ammonia refrigeration is except oil eliminator, comprise tubular heat exchanger, cyclone separator and oil removing separator tank body, it is characterized in that: treat that oil removing ammonia steam inlet tube gos deep in oil removing separator tank body and the mouth of pipe is provided with out air sifter cage, go deep into treating in oil removing separator tank body and be welded with tapering cap on oil removing ammonia steam inlet tube outer wall; Oil removing separator tank body top connects cyclone separator through pipeline, and oil removing separator tank body bottom is connected through pipeline in the bottom of cyclone separator; The top of tubular heat exchanger shell side is connected at cyclone separator top through pipeline, the latter half of tubular heat exchanger shell side is respectively equipped with valve and connects ammoniacal liquor storage tank and oil removing separator pot; The lower tube side of tubular heat exchanger connects cooling water inlet pipe, and upper tube side connects cooling water outlet pipe; The bottom of oil removing separator tank body is provided with draining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345536.2U CN203908146U (en) | 2014-06-26 | 2014-06-26 | Novel oil removal separator for ammonia refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345536.2U CN203908146U (en) | 2014-06-26 | 2014-06-26 | Novel oil removal separator for ammonia refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908146U true CN203908146U (en) | 2014-10-29 |
Family
ID=51782412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345536.2U Expired - Lifetime CN203908146U (en) | 2014-06-26 | 2014-06-26 | Novel oil removal separator for ammonia refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019592A (en) * | 2014-06-26 | 2014-09-03 | 吉首大学 | Novel ammonia refrigeration oil-removing separator |
| CN108050739A (en) * | 2017-12-27 | 2018-05-18 | 新昌县宏宇制冷有限公司 | A kind of washing oil separator |
-
2014
- 2014-06-26 CN CN201420345536.2U patent/CN203908146U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019592A (en) * | 2014-06-26 | 2014-09-03 | 吉首大学 | Novel ammonia refrigeration oil-removing separator |
| CN104019592B (en) * | 2014-06-26 | 2016-06-01 | 吉首大学 | Ammonia refrigeration is except oil separator |
| CN108050739A (en) * | 2017-12-27 | 2018-05-18 | 新昌县宏宇制冷有限公司 | A kind of washing oil separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |