CN104896815B - A kind of double centrifugation flash vessels - Google Patents
A kind of double centrifugation flash vessels Download PDFInfo
- Publication number
- CN104896815B CN104896815B CN201510299901.XA CN201510299901A CN104896815B CN 104896815 B CN104896815 B CN 104896815B CN 201510299901 A CN201510299901 A CN 201510299901A CN 104896815 B CN104896815 B CN 104896815B
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- Prior art keywords
- cylinder
- pipe
- straight section
- refrigerant
- light pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/02—Centrifugal separation of gas, liquid or oil
Abstract
The invention provides a kind of double centrifugation flash vessels, including cylinder and heat exchanger tube, the bottom of the cylinder surrounds refrigerant memory block with bottom face, the heat exchanger tube is inserted on top, the heat exchanger tube includes light pipe straight section and is socketed in the thread segment of light pipe straight section lower end outside, light pipe straight section exposes from the top of the cylinder, and gathering portion is set with cylinder top in the lateral wall of light pipe straight section, the first refrigerant import pipe is drawn from the gap location on light pipe straight section Yu the cylinder top, draw gaseous phase outlet pipe in the position for exposing the cylinder from light pipe straight section, in the center of the cylinder bottom face, the second refrigerant exit pipe is set, the entrance point of the second refrigerant exit pipe is down, body overturns after bending and upwardly extended, the port of export and the mouth of pipe of the first refrigerant import pipe and gas phase outlet are all upward.The present invention can thoroughly solve gas-liquid separation, and the refrigerant ensured into compressor does not include liquid, so that it is guaranteed that whole system is energy-efficient, reliable and stable operation.
Description
Technical field
The present invention relates to air injection enthalpy-increasing air-conditioning or the technical field of system, is flashed more particularly to a kind of double centrifuge
Device.
Background technology
Air injection enthalpy-increasing high efficiency energy saving air conditioner or system using flash vessel, it is necessary to carry out thoroughly gas-liquid separation, to ensure to press
The refrigerant that contracting machine air injection enthalpy-increasing mouth enters does not include liquid.Therefore, flash vessel is as air injection enthalpy-increasing high-efficiency energy-saving air conditioning system
Important component, its quality designed produces important influence to the efficiency and reliability service of whole system.However, existing sudden strain of a muscle
Steaming device still suffers from the halfway problem of gas-liquid separation.
The content of the invention
It is an object of the invention to propose a kind of double centrifugation flash vessels, for being completely separated air-liquid two in flash vessel
Phase.
In order to solve the above-mentioned technical problem, technical scheme is as follows：
A kind of double centrifugation flash vessels, including cylinder and heat exchanger tube, bottom and the bottom face of the cylinder surround refrigerant
The heat exchanger tube is inserted on memory block, top, and the heat exchanger tube includes light pipe straight section and is socketed in the screw thread of light pipe straight section lower end outside
Section, light pipe straight section expose from the top of the cylinder, and set gathering portion with cylinder top in the lateral wall of light pipe straight section, from light
Pipe straight section and the gap location on the cylinder top draw the first refrigerant import pipe, and the position that the cylinder is exposed from light pipe straight section is drawn
Go out gas phase outlet, the second refrigerant exit pipe, the import of the second refrigerant exit pipe are set in the center of the cylinder bottom face
Down, body overturns after bending and upwardly extended, the port of export and the mouth of pipe all courts of the first refrigerant import pipe and gas phase outlet at end
On.
Heat exchanger tube is divided into light pipe straight section and the thread segment with high efficient heat exchanging effect, forms high efficient heat exchanging screw thread reducer pipe,
When fluid flows through the high efficient heat exchanging screw thread reducing pipe surface in cylinder, interior lateral fluid turbulent extent is enhanced so that every
Side liquid is sufficiently mixed, and enhances heat transfer.
The interior caliber on the cylinder top is equal with the outer tube diameter of light pipe straight section, and the caliber of cylinder bottom is more than on cylinder
Portion, and cylinder top is connected with cylinder bottom by tapering transition face.Relative to top, reducing dilatation section is formed at the bottom of cylinder,
It is more beneficial for the flash distillation of fluid.
The lower surface of the thread segment is concordant with the upper surface in tapering transition face.It can allow the spiral shell of cylinder top and heat exchanger tube
Line section forms longer fluid tube side, is fully exchanged heat in flow process.
The position that the first refrigerant import pipe connects with cylinder is arranged to the first bend loss, and gaseous phase outlet pipe and light pipe are straight
The position that section connects is arranged to the second bend loss.Fluid can be allowed to slow down in bend loss, to flash vessel when reducing fluid disengaging
Wash away influence.
The left and right side or vertical opposite side that the gaseous phase outlet pipe is located at respectively with the first refrigerant import pipe.It can make cold
Matchmaker enters with gas phase outflow respectively to the active force relative equilibrium of flash vessel, keeps flash vessel stable.
Compared with existing similar technique, double centrifugation flash vessels of the invention have advantages below：
1st, the heat exchanger tube in cylinder uses high efficient heat exchanging screw thread reducer pipe, has two-sided strengthened heat transfer and inside and outside Double-face rotating
The characteristics of separation, fluid outside in high efficient heat exchanging screw thread reducer pipe constantly change along tube wall flow direction, tube wall fluid
Heat transfer boundary layer is destroyed, and heat transmission resistance is small；
2nd, high efficient heat exchanging screw thread reducer pipe and cylinder tight fit inside, gap are small, and high efficient heat exchanging screw thread reducer pipe stream
The warp surface in road is continuously smooth, and the relative augmentation of heat transfer pipe with other forms, flow resistance is relatively low, and rate of flow of fluid is high；
3rd, cylinder bottom sets reducing dilatation section, is more beneficial for the flash distillation of fluid；
Double centrifugation flash vessels provided by the invention are applied to air injection enthalpy-increasing high-efficiency energy-saving air conditioning system, especially suitable for
Extremely low temperature or very high temperature working environment, can thoroughly solve gas-liquid separation, to ensure that the refrigerant into compressor does not include liquid,
So that it is guaranteed that whole system is energy-efficient, reliable and stable operation.
Brief description of the drawings
Fig. 1 is the overall structure perspective schematic front view of the present invention；
Fig. 2 is the overall structure diagrammatic top view of the present invention；
Fig. 3 is the overall structure signal left view of the present invention；
Description of reference numerals：1st, cylinder；2nd, the first refrigerant import pipe；3rd, the second refrigerant exit pipe；4th, gaseous phase outlet pipe；5、
Heat exchanger tube.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Embodiment
As shown in Figure 1 to Figure 3, a kind of double centrifugation flash vessels, including cylinder 1 and heat exchanger tube 5, under the cylinder 1
Portion surrounds refrigerant memory block with bottom face 130, and the heat exchanger tube 5 is inserted on top, and the heat exchanger tube 5 includes light pipe straight section 520 and set
The thread segment 510 of the lower end outside of light pipe straight section 520 is connected on, light pipe straight section 520 exposes from the top of the cylinder 1, and in light pipe
The lateral wall of straight section 520 sets gathering portion 110, the gap location from light pipe straight section 520 Yu the top of cylinder 1 with the top of cylinder 1
The first refrigerant import pipe 2 is drawn, gaseous phase outlet pipe 4 is drawn at the position that the cylinder 1 is exposed from light pipe straight section 520, in the cylinder
Body bottom face 130 center set the second refrigerant exit pipe 3, the entrance point 310 of the second refrigerant exit pipe 3 down, body 320
Overturn and upwardly extend after bending, the mouth of pipe of the refrigerant import pipe 2 of the port of export 330 and first and gas phase outlet 4 is all upward.
The flash vessel of the present embodiment is introduced below.Such as figure, the flash vessel includes cylinder 1, the upper opening of cylinder 1 and
The tight junctions of heat exchanger tube 5 set gathering portion 110, and the top of cylinder 1 sets tapering transition face 120 with bottom, and the bottom of cylinder 1 is set
For sealing surface 130；First refrigerant import pipe 2 is arranged in the side on the top of cylinder 1, and the mouth of pipe is set upward, is set before being connected with cylinder 1
There is bend loss 210, end 220 is stretched into cylinder 1, outside the light pipe straight section 520 of heat exchanger tube 5；The port of export of second refrigerant exit pipe 3
330 are set upward, and concordant with the mouth of pipe of the first refrigerant import pipe 2 and gas phase outlet 4, and concordant setting can see them
Come it is more neat, and the entrance point 310 of the second refrigerant exit pipe 3 from the center of 1 bottom face of cylinder 130 connect refrigerant memory block (such as Fig. 2,
It can be seen that the port of export 330 of the second refrigerant exit pipe 3)；Gaseous phase outlet pipe 4 is arranged in the top opposite side of cylinder 1, with the first refrigerant
Inlet tube 2 is oppositely arranged in 180 °, and the mouth of pipe is set upward, is provided with bend loss 410 before being connected with efficient heat-exchanging pipe 5, end 420 is stretched
Enter in the light pipe straight section 520 of efficient heat-exchanging pipe 5；The bottom of efficient heat-exchanging pipe 5 is thread segment 510, and with the tapering transition face of cylinder 1
120 tops are concordant, and top is arranged to light pipe straight section 520 (such as Fig. 2, it can be seen that the top 530 of efficient heat-exchanging pipe 5).
Double centrifugation flash vessels of the present invention add one section of tool compared with similar-type products in flash vessel cylinder 1
There is the screw thread reducer pipe of high efficient heat exchanging effect, when fluid flows through the high efficient heat exchanging screw thread reducing pipe surface, enhance interior outside
Fluid turbulent degree so that be sufficiently mixed per side liquid, enhance heat transfer.Specific high efficient heat exchanging threaded tube size,
Number of starts, the depth of thread, pitch and helical etc. can carry out careful design calculating by product is supported the use and determine.
Double centrifugation flash vessels of the present invention use in air injection enthalpy-increasing high-efficiency energy-saving air conditioning system, or increase in heat pump
In use, its specific work process and principle are as follows in enthalpy system：
First refrigerant enters flash vessel from the first refrigerant import pipe 2, and after flowing through bend loss 210, rate of flow of fluid weakens, so as to
Influence is washed away on efficient heat-exchanging pipe 5 when being lowered into inside flash vessel.After first refrigerant enters flash vessel, along efficient heat-exchanging pipe
5 thread segment 510, which flows downward, produces eddy flow, by accurately designing calculating, sets size, the screw thread of the screw thread of heat exchanger tube 5
The design parameters such as head number, the depth of thread, pitch and helical, make the flowing velocity of fluid reasonably be strengthened, and refrigerant is in rapids
Shape flowing is flowed, enhances and is conducted heat with the gas phase refrigerant of the partition by heat exchanger tube 5.
Flow passage of swiftly flowing first refrigerant along efficient heat-exchanging pipe 5, due to the effect of centrifugal force, the first refrigerant takes off
To continue to flow downwards along the inwall of cylinder 1 from after efficient heat-exchanging pipe 5, until cylinder 1 bottom face 130 on and the second refrigerant
In the body bending section of outlet 3.Under gravity, the first refrigerant enters the entrance point 310 of the second refrigerant exit pipe 3, with
The continuous increase being continuously increased with gaseous phase partial pressure of the first refrigerant, refrigerant is most discharged through the second refrigerant exit pipe 3 afterwards, into system
After system, work is continued cycling through.Meanwhile first refrigerant enter the refrigerant memory block of flash vessel bottom expansion space after, start to dodge
Evaporation, gas-liquid are initially separated.In the presence of pressure and buoyancy, the bottom-up flowing of gas phase refrigerant of evaporation, into heat exchange
After pipe 5, rise along the inside of thread segment 510 of heat exchanger tube 5, due to the influence of the inwall of thread segment 510, rapids takes place in gas phase refrigerant
Flow phenomenon, and reinforcement is continuously available, and constantly exchanged heat by partition with the first refrigerant outside spiral section 510, spiral section
Refrigerant heat outside 510 is cooled down after being absorbed by gas phase refrigerant in spiral section 510, and the gas phase refrigerant in spiral section 510 is inhaled
After the outer refrigerant heat of closed tube, a small amount of vaporific refrigerant will more thoroughly gasify in gas phase refrigerant.
Gas phase refrigerant enters light pipe straight section 520 after departing from the thread segment 510 of heat exchanger tube 5, then by gas phase after bend loss 410
Outlet 4 is discharged, and connects compressor air injection enthalpy-increasing mouth, is finally entered in compressor and is worked.
Double centrifugation flash vessels provided by the invention are applied to air injection enthalpy-increasing high-efficiency energy-saving air conditioning system, especially suitable for
Extremely low temperature or very high temperature working environment, can thoroughly solve gas-liquid separation, to ensure that the refrigerant into compressor does not include liquid,
So that it is guaranteed that whole system is energy-efficient, reliable and stable operation.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention, it is intended to be limited solely by the scope of the claims of this case.
Claims (5)
1. a kind of double centrifugation flash vessels, including cylinder and heat exchanger tube, it is characterised in that：The bottom of the cylinder and bottom face
Refrigerant memory block is surrounded, the heat exchanger tube is inserted on top, and the heat exchanger tube includes light pipe straight section and is socketed in outside light pipe straight section lower end
The thread segment of side, the thread segment are the screw thread reducer pipe that change is presented in internal diameter and external diameter, and light pipe straight section is from the top of the cylinder
End is exposed, and sets gathering portion with cylinder top in the lateral wall of light pipe straight section, between light pipe straight section and the cylinder top
The first refrigerant import pipe is drawn at gap, gaseous phase outlet pipe is drawn at the position that the cylinder is exposed from light pipe straight section, in the cylinder
The center of bottom face sets the second refrigerant exit pipe, and down, body is overturn the entrance point of the second refrigerant exit pipe after bending
Upwardly extend, the port of export and the mouth of pipe of the first refrigerant import pipe and gas phase outlet are all upward.
2. double centrifugation flash vessels according to claim 1, it is characterised in that：The interior caliber and light on the cylinder top
The outer tube diameter of pipe straight section is equal, and the caliber of cylinder bottom is more than cylinder top, and cylinder top and cylinder bottom are by tapering transition
Face is connected.
3. double centrifugation flash vessels according to claim 2, it is characterised in that：The lower surface of the thread segment and taper
The upper surface of transition face is concordant.
4. double centrifugation flash vessels according to claim 1 or 2 or 3, it is characterised in that：The first refrigerant import pipe
The position to connect with cylinder is arranged to the first bend loss, and gaseous phase outlet pipe is arranged to the second bend pipe with the position that light pipe straight section connects
Section.
5. double centrifugation flash vessels according to claim 1 or 2 or 3, it is characterised in that：The gaseous phase outlet Guan Yu
One refrigerant import pipe is located at the left and right side of the second refrigerant exit pipe or vertical opposite side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299901.XA CN104896815B (en) | 2015-06-03 | 2015-06-03 | A kind of double centrifugation flash vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299901.XA CN104896815B (en) | 2015-06-03 | 2015-06-03 | A kind of double centrifugation flash vessels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896815A CN104896815A (en) | 2015-09-09 |
| CN104896815B true CN104896815B (en) | 2018-01-16 |
Family
ID=54029635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510299901.XA Active CN104896815B (en) | 2015-06-03 | 2015-06-03 | A kind of double centrifugation flash vessels |
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| Country | Link |
|---|---|
| CN (1) | CN104896815B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574986B2 (en) * | 2000-08-21 | 2003-06-10 | Mitsubishi Denki Kabushiki Kaisha | Oil separator and outdoor unit with the oil separator |
| CN2898730Y (en) * | 2006-01-13 | 2007-05-09 | 浙江春晖智能控制股份有限公司 | Gas-liquid separator |
| CN201355161Y (en) * | 2009-02-25 | 2009-12-02 | 浙江春晖智能控制股份有限公司 | Efficient gas-liquid separator |
| JP2010286193A (en) * | 2009-06-12 | 2010-12-24 | Mitsubishi Electric Corp | Cyclone type oil separator, and compression type refrigerating device and air compressing device having the same |
| CN102788458A (en) * | 2011-05-16 | 2012-11-21 | 季晓鸣 | Gas-liquid separator |
-
2015
- 2015-06-03 CN CN201510299901.XA patent/CN104896815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574986B2 (en) * | 2000-08-21 | 2003-06-10 | Mitsubishi Denki Kabushiki Kaisha | Oil separator and outdoor unit with the oil separator |
| CN2898730Y (en) * | 2006-01-13 | 2007-05-09 | 浙江春晖智能控制股份有限公司 | Gas-liquid separator |
| CN201355161Y (en) * | 2009-02-25 | 2009-12-02 | 浙江春晖智能控制股份有限公司 | Efficient gas-liquid separator |
| JP2010286193A (en) * | 2009-06-12 | 2010-12-24 | Mitsubishi Electric Corp | Cyclone type oil separator, and compression type refrigerating device and air compressing device having the same |
| CN102788458A (en) * | 2011-05-16 | 2012-11-21 | 季晓鸣 | Gas-liquid separator |
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| Publication number | Publication date |
|---|---|
| CN104896815A (en) | 2015-09-09 |
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