CN105126553A - Residual cold recoverer - Google Patents
Residual cold recoverer Download PDFInfo
- Publication number
- CN105126553A CN105126553A CN201510540548.XA CN201510540548A CN105126553A CN 105126553 A CN105126553 A CN 105126553A CN 201510540548 A CN201510540548 A CN 201510540548A CN 105126553 A CN105126553 A CN 105126553A
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- CN
- China
- Prior art keywords
- air
- separating plate
- evaporator tube
- barrel body
- gas
- 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.)
- Pending
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- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 abstract description 17
- 238000005057 refrigeration Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000007710 freezing Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Drying Of Gases (AREA)
Abstract
The invention belongs to the technical field of air separation units, and particularly relates to a residual cold recoverer. The residual cold recoverer comprises an evaporator barrel body, a heat exchanging pipe is arranged in the evaporator barrel body, the end of the heat exchanging pipe extends outside the evaporator barrel body, and one end of the evaporator barrel body is provided with an air-liquid separating mechanism. The residual cold recoverer is characterized in that the periphery of the evaporator barrel body is provided with an outer barrel body, an annular cavity is formed between the evaporator barrel body and the outer barrel body, the end, close to the air-liquid separating mechanism, of the outer barrel body is provided with an air inlet structure communicated with the annular cavity, and the end, far away from the air-liquid separating mechanism, of the evaporator barrel body is provided with a ventilation hole communicated with the annular cavity and an inner cavity of the evaporator barrel body. The residual cold recoverer has the advantages that heat-cold exchanging is performed on compressed air through the cold quantity of the outer wall of the evaporator barrel body, then the air flowing velocity and direction are changed to achieve the effect of a precooler, the precooler does not need to be additionally arranged at a compressed air outlet and an inlet of a refrigeration dryer or a pre-cooling machine, and energy conservation and environment protection are achieved.
Description
Technical field
The invention belongs to air separation unit technique field, especially relate to a kind of remaining cold recover.
Background technology
Compressed air freezing type drier is according to freezing dehumidification principle, compressed air is forced through evaporimeter to carry out heat exchange and lower the temperature, make the water of gaseous state in compressed air and oil through isobaric cooling, condense into liquid water and oil, by outside automatic water trap discharge system, thus obtain clean compressed air.The operation principle of compressed air precooler is almost identical with the operation principle of compressed air freezing type drier, and difference is that it has strong technical requirement to the temperature of outlet.
Compressed air drier and precooler all form refrigeration system by air system and refrigeration system two large divisions, carry out hot cold exchange by refrigeration original paper operation generation cold and hot and humid compressed air exactly, the physical change meeting the requirements of outlet temperature and gas produces liquid profit.Compressed air produces temperature generally at 40 DEG C--in the scope of 100 DEG C, it is general comparatively constant that refrigeration system produces cold, adjustable range≤10%, in order to the compressed air temperature of catering to high temperature is down to required dew-point temperature requirement, refrigeration system will increase the refrigeration system that a standard configuration is stablized in refrigerating capacity cost energy consumption increase endlessly in layoutprocedure, adding precooler at the entrance of compressed air outlet and cooling driers or precooler is generally air-cooled or water-cooled reduces or the inlet temperature of stable cooling driers or precooler, air-cooled needs configures cooling blower, water-cooled needs to configure cooling tower, water pump, waterway pipe, greatly increase the consumption of water source and electric power energy.Enter evaporimeter letter bucket, carry out hot cold exchange by water conservancy diversion direction, the simple bucket of evaporimeter is when equipment runs because by internal influence, and evaporimeter letter bucket is outward for condensing or hanging white object.General producer all adopts insulation material to protect its part, however operationally or transport time equipment insulation material generally all can not get protection, to such an extent as to it is extraneous that required guard block cold is exposed, and also increases the demand of refrigerating capacity simultaneously.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of freezing dryer for compressed air [application number: CN201420336456.0], comprise body, described body is provided with air inlet, gas outlet, it is characterized in that: be connected with cooler, forecooler, air inlet evaporimeter, moisture trap, compressor, condenser, sterilising filter, evaporimeter of giving vent to anger in turn by pipeline between described air inlet and gas outlet.
Although such scheme to some extent solves the deficiencies in the prior art, but entrance need add precooler to reduce or the inlet temperature of stable cooling driers or precooler, evaporimeter letter bucket easily condenses outward or hangs frost, energy resource consumption is large, inadequate energy-conserving and environment-protective, global design is reasonable not enough, poor practicability.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, the simple and remaining cold recover of energy-conserving and environment-protective of structure.
For achieving the above object, present invention employs following technical proposal: this remaining cold recover, comprise evaporator tube, heat exchanger tube is provided with and the end of heat exchanger tube extends to outside evaporator tube in evaporator tube, gas-liquid separation mechanism is provided with in one end of evaporator tube, it is characterized in that, the outer of described evaporator tube is arranged with outer cylinder body and forms annular chamber between evaporator tube and outer cylinder body, described outer cylinder body is provided with the air intake structure through with annular chamber near one end of gas-liquid separation mechanism, described evaporator tube is provided with away from one end of gas-liquid separation mechanism can the passage of through described annular chamber and evaporator tube inner chamber.
Compressed air enters into annular chamber by air intake structure, evaporator tube outer wall is flow through again along the first deflector, then evaporator tube inside is entered from passage, evaporator tube inwall is flow through in the other direction along the second deflector in last gas-liquid separation mechanism, carry out heat exchange cooling, in compressed air, the water of gaseous state and the cooling of wet goods pressure condense into liquid water and oil, clean compressed air is isolated finally by gas-liquid separation mechanism, evaporator tube outer wall cold is utilized to carry out hot cold exchange to compressed air in this process, change the effect that air velocity and direction make it to reach precooler again, do not need to add precooler at the entrance of compressed air outlet and cooling driers or precooler, energy-conserving and environment-protective, global design is reasonable, structure is simple, practical.
More than above-mentioned in cold recover, be provided with in described annular chamber for the air-flow entered from air intake structure being guided to the other end from annular chamber one end thus making air-flow enter first deflector of evaporator tube one end from passage, be provided with in described evaporator tube for the air-flow entered from passage being guided to the other end from evaporator tube one end thus making air-flow guide to the second deflector of gas-liquid separation mechanism.The water conservancy diversion direction of the first deflector and the second deflector is contrary.
More than above-mentioned in cold recover, the first described deflector comprises the cyclone plate around evaporator tube outer wall Spiral distribution, and annular chamber is separated into spiral space by described cyclone plate.
More than above-mentioned in cold recover, the second described deflector comprises the split-flow baffles around the distribution of evaporator tube spiral inner wall.
More than above-mentioned in cold recover, the upper end of described evaporator tube is provided with escape pipe, and lower end is provided with rhone, and described escape pipe is connected with the outlet side of the second deflector by gas-liquid separation mechanism.Isolate gas and liquid by gas-liquid separation mechanism, gas is discharged by escape pipe, and liquid is discharged by rhone.
More than above-mentioned in cold recover, described gas-liquid separation mechanism comprises and is located at the first separating plate between rhone and escape pipe and the second separating plate, is provided with the 3rd separating plate be positioned at above rhone between the first described separating plate and the outlet side of the second air guide structure.
More than above-mentioned in cold recover, the first described separating plate forms with the upper end of the 3rd separating plate the slot be connected with the second air guide structure, the lower end of the first separating plate and the 3rd separating plate is formed towards the wide mouth of rhone, form dash space between the first described separating plate bottom and the second separating plate, the first separating plate top with form the air guide space be connected with dash space between the second separating plate.First compressed air after heat exchange enter into gas-liquid separation mechanism by slot, then enters into dash space by wide mouth, and liquid is by under the second separating plate gear, and gas then enters into air guide space by port.
More than above-mentioned in cold recover, the second described separating plate is obliquely installed and is provided with the port that can be communicated with dash space and air guide space with between the first separating plate.
More than above-mentioned in cold recover, described air intake structure comprises the air inlet pipe be located on outer cylinder body, and described air inlet pipe is connected by the inlet end of compressed air line with the first deflector.
More than above-mentioned in cold recover, described heat exchanger tube comprises some heat exchange and is in charge of, and described heat exchange is connected by swan-neck between being in charge of.
Compared with prior art, the advantage of this remaining cold recover is:
First, compressed air enters into annular chamber by air intake structure, evaporator tube outer wall is flow through again along the first deflector, then evaporator tube inside is entered from passage, evaporator tube inwall is flow through in the other direction along the second deflector in last gas-liquid separation mechanism, carry out heat exchange cooling, in compressed air, the water of gaseous state and the cooling of wet goods pressure condense into liquid water and oil, clean compressed air is isolated finally by gas-liquid separation mechanism, evaporator tube outer wall cold is utilized to carry out hot cold exchange to compressed air in this process, change the effect that air velocity and direction make it to reach precooler again, do not need to add precooler at the entrance of compressed air outlet and cooling driers or precooler, energy-conserving and environment-protective, global design is reasonable, structure is simple, practical.
The second, substitute the precooler of freezing type cooling driers or precooler in industry, reduce the consumption of electric power energy/waterpower resourses, reduce the installation procedure that process pipeline is loaded down with trivial details, reduce the purchase cost of spare part and operating cost, equipment volume changes, and can reduce installation and to take up room area.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
In figure, evaporator tube 1, heat exchanger tube 2, gas-liquid separation mechanism 3, outer cylinder body 4, annular chamber 5, passage 6, first deflector 7, second deflector 8, cyclone plate 9, split-flow baffles 10, escape pipe 11, rhone 12, first separating plate 13, second separating plate 14, the 3rd separating plate 15, slot 16, wide mouth 17, dash space 18, air guide space 19, port 20, air inlet pipe 21, compressed air line 22.
Detailed description of the invention
Embodiment
As shown in Figure 1, this remaining cold recover comprises evaporator tube 1, heat exchanger tube 2 is provided with and the end of heat exchanger tube 2 extends to outside evaporator tube 1 in evaporator tube 1, gas-liquid separation mechanism 3 is provided with in one end of evaporator tube 1, it is characterized in that, the outer of evaporator tube 1 is arranged with outer cylinder body 4 and forms annular chamber 5 between evaporator tube 1 and outer cylinder body 4, outer cylinder body 4 is provided with the air intake structure through with annular chamber 5 near one end of gas-liquid separation mechanism 3, evaporator tube 1 is provided with away from one end of gas-liquid separation mechanism 3 can the passage 6 of through described annular chamber 5 and evaporator tube 1 inner chamber.Compressed air enters into annular chamber 5 by air intake structure, evaporator tube 1 outer wall is flow through again along the first deflector 7, then evaporator tube 1 is entered from passage 6 inner, evaporator tube 1 inwall is flow through in the other direction along the second deflector 8 in last gas-liquid separation mechanism 3, carry out heat exchange cooling, in compressed air, the water of gaseous state and the cooling of wet goods pressure condense into liquid water and oil, clean compressed air is isolated finally by gas-liquid separation mechanism 3, evaporator tube 1 outer wall cold is utilized to carry out hot cold exchange to compressed air in this process, change the effect that air velocity and direction make it to reach precooler again, do not need to add precooler at the entrance of compressed air outlet and cooling driers or precooler, energy-conserving and environment-protective, global design is reasonable, structure is simple, practical.
Wherein, be provided with in annular chamber 5 for the air-flow entered from air intake structure being guided to the other end from annular chamber 5 one end thus making air-flow enter first deflector 7 of evaporator tube 1 one end from passage 6, be provided with in evaporator tube 1 for the air-flow entered from passage 6 being guided to the other end from evaporator tube 1 one end thus making air-flow guide to the second deflector 8 of gas-liquid separation mechanism 3.The water conservancy diversion direction of the first deflector 7 and the second deflector 8 is contrary.More particularly, the first deflector 7 comprises the cyclone plate 9 around evaporator tube 1 outer wall Spiral distribution, and annular chamber 5 is separated into spiral space by cyclone plate 9; Second deflector 8 comprises the split-flow baffles 10 around the distribution of evaporator tube 1 spiral inner wall.
Wherein, the upper end of evaporator tube 1 is provided with escape pipe 11, lower end is provided with rhone 12, escape pipe 11 is connected with the outlet side of the second deflector 8 by gas-liquid separation mechanism 3, gas and liquid is isolated by gas-liquid separation mechanism 3, gas is discharged by escape pipe 11, and liquid is discharged by rhone 12.Gas-liquid separation mechanism 3 comprises the first separating plate 13 of being located between rhone 12 and escape pipe 11 and is provided with the 3rd separating plate 15 be positioned at above rhone 12 between the second separating plate 14, first separating plate 13 and the outlet side of the second air guide structure.More particularly, first separating plate 13 forms with the upper end of the 3rd separating plate 15 slot 16 be connected with the second air guide structure, the lower end of the first separating plate 13 and the 3rd separating plate 15 is formed towards the wide mouth 17 of rhone 12, dash space 18 is formed between first separating plate 13 bottom and the second separating plate 14, first separating plate 13 top forms with between the second separating plate 14 the air guide space 19 be connected with dash space 18, first compressed air after heat exchange enter into gas-liquid separation mechanism 3 by slot 16, then dash space 18 is entered into by wide mouth 17, liquid is kept off down by the second separating plate 14, gas then enters into air guide space 19 by port 20.Second separating plate 14 is obliquely installed and is provided with the port 20 that can be communicated with dash space 18 and air guide space 19 with between the first separating plate 13.More particularly, air intake structure comprises the air inlet pipe 21 be located on outer cylinder body 4, and air inlet pipe 21 is connected by the inlet end of compressed air line 22 with the first deflector 7.Heat exchanger tube 2 comprises some heat exchange and is in charge of, and heat exchange is connected by swan-neck between being in charge of.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as evaporator tube 1, heat exchanger tube 2, gas-liquid separation mechanism 3, outer cylinder body 4, annular chamber 5, passage 6, first deflector 7, second deflector 8, cyclone plate 9, split-flow baffles 10, escape pipe 11, rhone 12, first separating plate 13, second separating plate 14, the 3rd separating plate 15, slot 16, wide mouth 17, dash space 18, air guide space 19, port 20, air inlet pipe 21, compressed air line 22 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. more than one kind cold recover, comprise evaporator tube (1), heat exchanger tube (2) is provided with and the end of heat exchanger tube (2) extends to evaporator tube (1) outward in evaporator tube (1), gas-liquid separation mechanism (3) is provided with in one end of evaporator tube (1), it is characterized in that, the outer of described evaporator tube (1) is arranged with outer cylinder body (4) and forms annular chamber (5) between evaporator tube (1) and outer cylinder body (4), described outer cylinder body (4) is provided with the air intake structure through with annular chamber (5) near one end of gas-liquid separation mechanism (3), described evaporator tube (1) is provided with away from one end of gas-liquid separation mechanism (3) can the passage (6) of through described annular chamber (5) and evaporator tube (1) inner chamber.
2. remaining cold recover according to claim 1, it is characterized in that, be provided with for the air-flow entered from air intake structure being guided to the other end from annular chamber (5) one end thus making air-flow enter first deflector (7) of evaporator tube (1) one end from passage (6) in described annular chamber (5), be provided with in described evaporator tube (1) for the air-flow entered from passage (6) being guided to the other end from evaporator tube (1) one end thus making air-flow guide to second deflector (8) of gas-liquid separation mechanism (3).
3. remaining cold recover according to claim 2, it is characterized in that, described the first deflector (7) comprises the cyclone plate (9) around evaporator tube (1) outer wall Spiral distribution, and annular chamber (5) is separated into spiral space by described cyclone plate (9).
4. remaining cold recover according to claim 2, it is characterized in that, described the second deflector (8) comprises the split-flow baffles (10) around the distribution of evaporator tube (1) spiral inner wall.
5. remaining cold recover according to claim 2, it is characterized in that, the upper end of described evaporator tube (1) is provided with escape pipe (11), lower end is provided with rhone (12), and described escape pipe (11) is connected with the outlet side of the second deflector (8) by gas-liquid separation mechanism (3).
6. cold recover more than according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described gas-liquid separation mechanism (3) comprises and is located at the first separating plate (13) between rhone (12) and escape pipe (11) and the second separating plate (14), is provided with the 3rd separating plate (15) being positioned at rhone (12) top between described the first separating plate (13) and the outlet side of the second air guide structure.
7. remaining cold recover according to claim 6, it is characterized in that, described the first separating plate (13) forms with the upper end of the 3rd separating plate (15) slot (16) be connected with the second air guide structure, the lower end of the first separating plate (13) and the 3rd separating plate (15) is formed towards the wide mouth (17) of rhone (12), dash space (18) is formed between described the first separating plate (13) bottom and the second separating plate (14), the air guide space (19) be connected with dash space (18) is formed between first separating plate (13) top with the second separating plate (14).
8. remaining cold recover according to claim 7, it is characterized in that, described the second separating plate (14) be obliquely installed and be provided with the port (20) that can be communicated with dash space (18) and air guide space (19) between the first separating plate (13).
9. remaining cold recover according to claim 6, it is characterized in that, described air intake structure comprises the air inlet pipe (21) be located on outer cylinder body (4), and described air inlet pipe (21) is connected by the inlet end of compressed air line (22) with the first deflector (7).
10. remaining cold recover according to claim 6, it is characterized in that, described heat exchanger tube (2) comprises some heat exchange and is in charge of, and described heat exchange is connected by swan-neck between being in charge of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540548.XA CN105126553A (en) | 2015-08-28 | 2015-08-28 | Residual cold recoverer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540548.XA CN105126553A (en) | 2015-08-28 | 2015-08-28 | Residual cold recoverer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105126553A true CN105126553A (en) | 2015-12-09 |
Family
ID=54712330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510540548.XA Pending CN105126553A (en) | 2015-08-28 | 2015-08-28 | Residual cold recoverer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105126553A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656483A1 (en) * | 1976-12-14 | 1978-06-15 | Via Gmbh | Drying gases esp. compressed air by refrigeration - using composite heat exchanger with accessible internal filter |
| US4193443A (en) * | 1977-11-28 | 1980-03-18 | Orion Machinery Co., Ltd. | Heat exchanger for cooling system compressed air dehumidifiers |
| CN101852560A (en) * | 2010-06-18 | 2010-10-06 | 沈国强 | Pre-cooling type coil heat exchanger used for compressed air drier |
| CN201823404U (en) * | 2010-10-12 | 2011-05-11 | 北京京东方光电科技有限公司 | Gas-liquid separator |
| CN102284233A (en) * | 2011-06-01 | 2011-12-21 | 湖南云箭集团有限公司 | Pre-cooling-evaporating integrated compressed air freeze drier |
| CN102297133A (en) * | 2011-09-09 | 2011-12-28 | 湖南云箭集团有限公司 | Full performance scroll compressor all-in-one machine |
| CN202823120U (en) * | 2012-10-10 | 2013-03-27 | 杭州联合超滤净化设备有限公司 | Combined heat exchanger of cold dryer |
| CN204902439U (en) * | 2015-08-28 | 2015-12-23 | 浙江厚旺空分设备科技有限公司 | Surplus cold recoverer |
-
2015
- 2015-08-28 CN CN201510540548.XA patent/CN105126553A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656483A1 (en) * | 1976-12-14 | 1978-06-15 | Via Gmbh | Drying gases esp. compressed air by refrigeration - using composite heat exchanger with accessible internal filter |
| US4193443A (en) * | 1977-11-28 | 1980-03-18 | Orion Machinery Co., Ltd. | Heat exchanger for cooling system compressed air dehumidifiers |
| CN101852560A (en) * | 2010-06-18 | 2010-10-06 | 沈国强 | Pre-cooling type coil heat exchanger used for compressed air drier |
| CN201823404U (en) * | 2010-10-12 | 2011-05-11 | 北京京东方光电科技有限公司 | Gas-liquid separator |
| CN102284233A (en) * | 2011-06-01 | 2011-12-21 | 湖南云箭集团有限公司 | Pre-cooling-evaporating integrated compressed air freeze drier |
| CN102297133A (en) * | 2011-09-09 | 2011-12-28 | 湖南云箭集团有限公司 | Full performance scroll compressor all-in-one machine |
| CN202823120U (en) * | 2012-10-10 | 2013-03-27 | 杭州联合超滤净化设备有限公司 | Combined heat exchanger of cold dryer |
| CN204902439U (en) * | 2015-08-28 | 2015-12-23 | 浙江厚旺空分设备科技有限公司 | Surplus cold recoverer |
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| PB01 | Publication | ||
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Application publication date: 20151209 |