CN111412692A - Throttling device of water chilling unit of flooded evaporator - Google Patents
Throttling device of water chilling unit of flooded evaporator Download PDFInfo
- Publication number
- CN111412692A CN111412692A CN202010128283.3A CN202010128283A CN111412692A CN 111412692 A CN111412692 A CN 111412692A CN 202010128283 A CN202010128283 A CN 202010128283A CN 111412692 A CN111412692 A CN 111412692A
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- CN
- China
- Prior art keywords
- throttling
- pipe
- floater
- guide pipe
- spring mechanism
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000001802 infusion Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F25B43/003—Filters
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
Abstract
The invention discloses a throttling device of a water chilling unit of a flooded evaporator, which comprises a compressor, a first flow guide pipe, a condenser, a second flow guide pipe, a drying filter, a throttling taper pipe, a throttling floater, a positioning rod, a limiting spring mechanism, a liquid conveying pipe and an evaporator. The throttling device can carry out throttling transmission on the refrigerant in the flooded evaporator in the self-adaptive balance state, so that the unit faults caused by unreasonable transmission of the refrigerant are reduced, the running safety and stability of the flooded evaporator water chilling unit are improved, and the service life of the flooded evaporator water chilling unit is prolonged.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of water chilling unit throttling devices, in particular to the technical field of a water chilling unit throttling device of a flooded evaporator.
[ background of the invention ]
The water-cooled chiller is an air-conditioning unit which has the most historical property since the industrial revolution and achieves the air-conditioning refrigeration effect in a compression mode, has a history for hundreds of years so far, and has stable and high-efficiency operation from early reciprocating to recent screw type, so that the water-cooled chiller becomes a main unit in the air-conditioning field and is one of the most mature developed and classically designed units in the current central air-conditioning unit; the flooded evaporator is to use boiling heat transfer principle to immerse the heat exchange tube in the shell side liquid refrigerant completely, and to take away the heat of the cold water flowing in the tube side through the heat exchange process, so as to achieve the cooling purpose. In the flooded evaporator, cold water flows in the tube and can reach a turbulent flow state, the heat transfer coefficient is higher, and the liquid phase heat transfer efficiency is greatly improved when the refrigerant in the shell side is in a boiling state. The existing flooded evaporator water chilling unit is not provided with a proper throttling device, so that the amount of refrigerant entering the flooded evaporator in a short time in the use process is easy to be too large, the refrigerant in the flooded evaporator cannot be fully evaporated, and the phenomenon of liquid carrying and air suction of a compressor is caused.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a throttling device of a water chilling unit of a flooded evaporator, which can perform throttling transmission on a refrigerant in the flooded evaporator under a self-adaptive balance state, reduce unit faults caused by unreasonable transmission of the refrigerant, improve the operation safety and stability of the water chilling unit of the flooded evaporator, and prolong the service life of the water chilling unit.
In order to achieve the purpose, the invention provides a throttling device of a flooded evaporator water chilling unit, which comprises a compressor, a first flow guide pipe, a condenser, a second flow guide pipe, a drying filter, a throttling conical pipe, a throttling floater, a positioning rod, a limiting spring mechanism, a liquid conveying pipe and an evaporator, wherein the compressor is communicated with the condenser through the first flow guide pipe, the condenser is communicated with the drying filter through the second flow guide pipe, the drying filter is communicated with the lower part of the throttling conical pipe through a drainage pipe, the positioning rod is arranged at the lower part of the throttling conical pipe, the throttling floater is connected to the positioning rod through the limiting spring mechanism, the throttling floater is arranged in the throttling conical pipe, the top of the throttling conical pipe is communicated with the evaporator through the liquid conveying pipe, and the evaporator is communicated with the compressor.
Preferably, the first guide pipe is a high-strength heat-preservation guide pipe, and the second guide pipe is a heat-preservation guide pipe.
Preferably, the drainage tube is a transparent soft catheter, and the infusion tube is a transparent catheter.
Preferably, the drainage tube, the infusion tube and the throttling taper tube are detachably connected, and the drainage tube and the infusion tube are both provided with a cut-off device.
Preferably, an electronic flowmeter is arranged at the communication outlet of the throttling taper pipe and the drainage pipe, a flow early-warning device is arranged on the electronic flowmeter, and the flow early-warning device gives out sound and light alarm when the electronic flowmeter measures abnormally.
Preferably, the throttling taper pipe is a conical pipe which is vertically arranged and has a top opening which is gradually increased, a detachable sealing cover is arranged at the top of the throttling taper pipe, and the infusion tube penetrates through the center of the sealing cover.
Preferably, the throttling floater is connected and arranged above the positioning rod through a limiting spring mechanism, the limiting spring mechanism is vertically and fixedly arranged at the central position of the positioning rod, and a transparent observation window is arranged on the side wall of the throttling taper pipe, which is opposite to the limiting spring mechanism.
Preferably, the throttling floater is detachably connected with the limiting spring mechanism, and the throttling floater is provided with various weight specifications.
Preferably, an elastic force sensor is arranged at the bottom of the limiting spring mechanism.
Preferably, the elastic force sensor is connected with the electronic flowmeter and the flow early-warning device one by one
The invention has the beneficial effects that: according to the invention, the compressor, the first flow guide pipe, the condenser, the second flow guide pipe, the drying filter, the throttling taper pipe, the throttling floater, the positioning rod, the limiting spring mechanism, the liquid conveying pipe and the evaporator are combined together, and through experimental optimization, the throttling device can carry out throttling conveying on the refrigerant in the flooded evaporator in a self-adaptive balance state, so that the unit faults caused by unreasonable conveying of the refrigerant are reduced, the running safety and stability of the water chilling unit of the flooded evaporator are improved, and the service life of the water chilling unit of the flooded evaporator is prolonged.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a throttling device of a water chilling unit of a flooded evaporator.
In the figure: 1-compressor, 2-first guide pipe, 3-condenser, 4-second guide pipe, 5-dry filter, 6-throttle taper pipe, 7-throttle floater, 8-positioning rod, 9-limit spring mechanism, 10-infusion tube, 11-evaporator, 12-interceptor, 13-electronic flowmeter, 14-flow precaution device, 15-sealing cover, 16-elastic sensor, 17-drainage tube.
[ detailed description ] embodiments
Referring to fig. 1, the throttling device of the flooded evaporator water chilling unit comprises a compressor 1, a first flow guide pipe 2, a condenser 3, a second flow guide pipe 4, a dry filter 5, a throttling conical pipe 6, a throttling floater 7, a positioning rod 8, a limiting spring mechanism 9, a liquid conveying pipe 10 and an evaporator 11, wherein the compressor 1 is communicated with the condenser 3 through the first flow guide pipe 2, the condenser 3 is communicated with the dry filter 5 through the second flow guide pipe 4, the dry filter 5 is communicated with the lower part of the throttling conical pipe 6 through a flow guide pipe 17, the positioning rod 8 is arranged at the lower part of the throttling conical pipe 6, the throttling floater 7 is connected to the positioning rod 8 through the limiting spring mechanism 9, the throttling floater 7 is arranged in the throttling conical pipe 6, the top of the throttling conical pipe 6 is communicated with the evaporator 11 through the liquid conveying pipe 10, and the evaporator 11 is communicated with the compressor 1, the first guide pipe 2 is a high-strength heat-preservation guide pipe, the second guide pipe 4 is a heat-preservation guide pipe, the drainage pipe 17 is a transparent soft guide pipe, the infusion pipe 10 is a transparent guide pipe, the drainage pipe 17 and the infusion pipe 10 are detachable in connection with the throttling taper pipe 6, the drainage pipe 17 and the infusion pipe 10 are both provided with a cut-off device 12, the throttling taper pipe 6 is provided with an electronic flow meter 13 in communication with the drainage pipe 17, the electronic flow meter 13 is provided with a flow early warning device 14, the flow early warning device 14 gives an audible and visual alarm when the electronic flow meter 13 measures abnormity, the throttling taper pipe 6 is a conical pipe which is vertically provided with a gradually increased top opening, the top of the throttling taper pipe 6 is provided with a detachable sealing cover 15, the infusion pipe 10 is arranged at the central position of the sealing cover 15 in a penetrating way, the throttling floater 7 is connected and arranged above the positioning rod 8 through a limiting, the limiting spring mechanism 9 is vertically and fixedly arranged at the center of the positioning rod 8, the throttling taper pipe 6 is opposite to the side wall of the limiting spring mechanism 9, a transparent observation window is formed in the side wall, the throttling floater 7 is detachably connected with the limiting spring mechanism 9, the throttling floater 7 is provided with various weight specifications, an elastic sensor 16 is arranged at the bottom of the limiting spring mechanism 9, and the elastic sensor 16 is connected with the electronic flowmeter 13 and the flow early warning device 14 one by one.
Refrigerant gas is subjected to medium entropy compression in a compressor 1 and then flows into a condenser 3 through a first flow guide pipe 2, the cooling and condensation processes are completed in the condenser 3, the refrigerant liquid is changed into refrigerant liquid, the refrigerant liquid flows into a drying filter 5 through a second flow guide pipe 4, then flows into a throttling conical pipe 6 from the drying filter 5 through a drainage pipe 17, the throttling process is completed when the refrigerant liquid flows through two sides of a throttling floater 7, subcooled refrigerant liquid flowing out of the throttling conical pipe 6 flows into an evaporator 11 through a liquid conveying pipe 10 to evaporate and absorb heat to complete the heat exchange process with secondary refrigerant, cold energy is transferred to the tail end through the secondary refrigerant to achieve the aim of refrigeration, the refrigerant gas flowing out of the evaporator 11 flows into the compressor 1 again to complete a refrigeration cycle process, and the system repeats the process continuously to achieve the refrigeration effect. When super-cooled refrigerant liquid flows through the throttling taper pipe 6 from bottom to top, the electronic flowmeter 13 measures the real-time flow state, the elastic sensor 16 measures the real-time elastic force of the limiting spring mechanism 9 and compares the real-time elastic force with the preset parameters of the flow early-warning device 14, the flow early-warning device 14 performs audible and visual alarm reminding when necessary, the throttling floater 7 is supported and moves upwards due to the impact of the refrigerant liquid, the annular flow area between the throttling floater 7 and the throttling taper pipe 6 is gradually increased along with the upward movement of the throttling floater 7, when the gravity of the throttling floater 7 and the force of the refrigerant fluid acting on the throttling floater 7 are balanced with the elastic force of the limiting spring mechanism 9 on the throttling floater 7, the relative position of the throttling floater 7 is not changed any more, the balance state under the flow is achieved at the moment, and when the flow is changed, the position of the throttling floater 7 is changed along with the change, thereby adjusting to the new equilibrium point. If the flow is suddenly and abnormally increased, the limiting spring mechanism 9 can prevent the float from being washed away and limit the float at a limiting position, so that the flow is controlled to be at a maximum point, the phenomenon that the refrigerant in the flooded evaporator 11 cannot be sufficiently evaporated to cause the suction and liquid carrying of the compressor 1 due to the fact that the amount of the refrigerant entering the flooded evaporator 11 in a short time is too large is prevented, when the refrigerant flows through the throttling float 7, the flow area of the throttling float 7 is suddenly reduced compared with that of the throttling float 7, the throttling process is completed, the throttling device can carry out throttling conveying on the refrigerant in the flooded evaporator 11 in a self-adaptive balance state, the unit failure caused by unreasonable conveying of the refrigerant is reduced, the operation safety and stability of a water chilling unit of the flooded evaporator 11 are improved, and the service life of the water chilling unit is prolonged.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a flooded evaporator cooling water set throttling arrangement which characterized in that: comprises a compressor (1), a first guide pipe (2), a condenser (3), a second guide pipe (4), a drying filter (5), a throttling taper pipe (6), a throttling floater (7), a positioning rod (8), a limiting spring mechanism (9), an infusion tube (10) and an evaporator (11), wherein the compressor (1) is communicated with the condenser (3) through the first guide pipe (2), the condenser (3) is communicated with the drying filter (5) through the second guide pipe (4), the drying filter (5) is communicated with the lower part of the throttling taper pipe (6) through a drainage tube (17), the positioning rod (8) is arranged at the lower part of the throttling taper pipe (6), the throttling floater (7) is connected to the positioning rod (8) through the limiting spring mechanism (9), the throttling floater (7) is arranged in the throttling taper pipe (6), the top of the throttling taper pipe (6) is communicated with the evaporator (11) through the infusion tube (10), the evaporator (11) is communicated with the compressor (1).
2. The throttling device of claim 1, wherein: the first guide pipe (2) is a high-strength heat-preservation guide pipe, and the second guide pipe (4) is a heat-preservation guide pipe.
3. The throttling device of claim 1, wherein: the drainage tube (17) is a transparent soft catheter, and the infusion tube (10) is a transparent catheter.
4. The throttling device of claim 1, wherein: the drainage tube (17) and the infusion tube (10) are both detachable from the throttle taper tube (6), and the drainage tube (17) and the infusion tube (10) are both provided with a cut-off device (12).
5. The throttling device of claim 1, wherein: an electronic flowmeter (13) is arranged at the communicating outlet of the throttling taper pipe (6) and the drainage pipe (17), a flow early-warning device (14) is arranged on the electronic flowmeter (13), and the flow early-warning device (14) gives out sound and light alarm when the electronic flowmeter (13) is abnormal in measurement.
6. The throttling device of claim 1, wherein: the throttling taper pipe (6) is a conical pipe with a vertically arranged gradually-increased top opening, a detachable sealing cover (15) is arranged at the top of the throttling taper pipe (6), and the infusion pipe (10) penetrates through the center of the sealing cover (15).
7. The throttling device of claim 1, wherein: the throttling floater (7) is connected and arranged above the positioning rod (8) through a limiting spring mechanism (9), the limiting spring mechanism (9) is vertically and fixedly arranged at the central position of the positioning rod (8), and the throttling taper pipe (6) is just opposite to the side wall of the limiting spring mechanism (9) and is provided with a transparent observation window.
8. The throttling device of claim 1, wherein: the throttling floater (7) is detachably connected with the limiting spring mechanism (9), and the throttling floater (7) is provided with various weight specifications.
9. The throttling device of claim 1, wherein: and an elastic force inductor (16) is arranged at the bottom of the limiting spring mechanism (9).
10. A flooded evaporator chiller throttling arrangement as claimed in any one of claims 1 to 9 wherein: and the elastic force sensors (16) are connected with the electronic flow meters (13) and the flow early-warning devices (14) one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128283.3A CN111412692B (en) | 2020-02-28 | 2020-02-28 | Throttling device of water chilling unit of flooded evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128283.3A CN111412692B (en) | 2020-02-28 | 2020-02-28 | Throttling device of water chilling unit of flooded evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111412692A true CN111412692A (en) | 2020-07-14 |
| CN111412692B CN111412692B (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010128283.3A Expired - Fee Related CN111412692B (en) | 2020-02-28 | 2020-02-28 | Throttling device of water chilling unit of flooded evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111412692B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB167455A (en) * | 1920-07-31 | 1922-03-23 | Max Guettner | Pressure regulator for ice and cold producing machines as also for other purposes |
| CN1119730A (en) * | 1994-06-13 | 1996-04-03 | 运载器有限公司 | Refrigerant flow control apparatus |
| CN2828677Y (en) * | 2005-07-19 | 2006-10-18 | 上海日立电器有限公司 | Float-type liquid storage apparatus |
| CN106338161A (en) * | 2016-10-28 | 2017-01-18 | 珠海格力电器股份有限公司 | Oil return device and air-conditioning unit |
| CN110486995A (en) * | 2019-09-04 | 2019-11-22 | 佛山市德天电器有限公司 | A kind of oil liquid separator and the heat pump system with oil liquid separator |
-
2020
- 2020-02-28 CN CN202010128283.3A patent/CN111412692B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB167455A (en) * | 1920-07-31 | 1922-03-23 | Max Guettner | Pressure regulator for ice and cold producing machines as also for other purposes |
| CN1119730A (en) * | 1994-06-13 | 1996-04-03 | 运载器有限公司 | Refrigerant flow control apparatus |
| CN2828677Y (en) * | 2005-07-19 | 2006-10-18 | 上海日立电器有限公司 | Float-type liquid storage apparatus |
| CN106338161A (en) * | 2016-10-28 | 2017-01-18 | 珠海格力电器股份有限公司 | Oil return device and air-conditioning unit |
| CN110486995A (en) * | 2019-09-04 | 2019-11-22 | 佛山市德天电器有限公司 | A kind of oil liquid separator and the heat pump system with oil liquid separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111412692B (en) | 2022-03-15 |
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Granted publication date: 20220315 |