CN106642809A - Microchannel heat pipe heating method and device - Google Patents
Microchannel heat pipe heating method and device Download PDFInfo
- Publication number
- CN106642809A CN106642809A CN201611238263.1A CN201611238263A CN106642809A CN 106642809 A CN106642809 A CN 106642809A CN 201611238263 A CN201611238263 A CN 201611238263A CN 106642809 A CN106642809 A CN 106642809A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- microchannel
- heat
- cold
- heating
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 120
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 59
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 59
- 239000006200 vaporizer Substances 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 2
- 229960004424 carbon dioxide Drugs 0.000 claims 15
- 239000007921 spray Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 17
- 238000004378 air conditioning Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to the technical field of air conditioner heating, in particular to a microchannel heat pipe heating method and device. The microchannel heat pipe heating device comprises an indoor system and a carbon dioxide air conditioner external unit which carry out heat exchange through a microchannel heat pipe heat exchanger, wherein the microchannel heat pipe heat exchanger comprises a carbon dioxide air cooler and a microchannel vaporizer which cling to each other; the indoor system comprises a pipeline heat exchange system, and the two ends of the pipeline heat exchange system are separately connected with an inlet and an outlet of the microchannel vaporizer through a check valve and a first throttling valve; the carbon dioxide air conditioner external unit comprises a carbon dioxide ejector, an evaporator and a separator, which are sequentially connected; a second throttling valve is arranged between the evaporator and the separator; the separator is connected with an inlet of the carbon dioxide air cooler through a carbon dioxide compressor; and an outlet of the carbon dioxide air cooler is connected with the carbon dioxide ejector. By adopting the structure, the energy-efficiency ratio of a heating system is increased, energy is saved, and the problems of low-temperature icing and the like are solved.
Description
Technical field
The present invention relates to air-conditioning heating technology field, particularly a kind of microchannel thermotube heating method and device.
Background technology
Traditional rooms heating system is the high-temperature steam that coal-fired or natural gas is produced, and sends into and carried for room after room heat exchanger
For heat energy, or air-conditioning heating pattern provides heat energy, or the heating of direct electric heating device for room.Coal-fired or natural gas air
Pollution is big, and the heating mode of most air-conditionings can not start when outdoor environment temperature is less than -10 DEG C or Energy Efficiency Ratio is very low.Directly
Connect electric heater heating Energy Efficiency Ratio low.And adopt steam or water to do medium for rooms, and easily freezing again in microthermal climate, water is also
Easily fouling.
Chinese utility model patent CN 204574623U discloses a kind of micro-channel heat exchanger and with the Thermal Performance of Micro Channels
The anhydrous floor heating system of device, the micro-channel heat exchanger includes many flat tubes and two headers, the width of many flat tubes
Face is vertically arranged；Passage is provided with flat tube, the two ends of passage connect respectively with two headers, and header is provided with header
Entrance and header outlet.This utility model also include a kind of anhydrous floor heating system, including outdoor heat exchanger, compressor with
And the micro-channel heat exchanger being laid in base plate；The outlet of the compressor is connected with the afflux tube inlet, the collection
Flow tube outlet is connected with the entrance of the outdoor heat exchanger, and the outlet of the outdoor heat exchanger connects with the entrance of the compressor
Logical, the medium in the outdoor heat exchanger, compressor and micro-channel heat exchanger is cold-producing medium.
To ensure low temp area, it is necessary to seek a kind of highly efficient, environmentally friendly brand-new heating method or adopt to existing
Heating method is improved.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of simple structure and the microchannel thermotube of good effect of heat exchange is adopted
Heating method and device.
To solve above-mentioned technical problem, the present invention includes a kind of microchannel thermotube heating method, micro channel heat heat exchange of heat pipe
During operation, liquid refrigerant enters the entrance of the cold-producing medium header by choke valve, then is uniformly assigned to cold-producing medium
In micro-channel flat；High temperature carbon dioxide gas enters the entrance of the carbon dioxide header, then uniformly distributes gas
To in carbon dioxide air cooling flat tube；Refrigerant flow direction is with flow of carbon dioxide gas to conversely, making cold-producing medium fully heat, formation is high
Warm gases at high pressure, then liquid is condensed into into the pipeline heat-exchange system radiating in room by check valve.
Present invention additionally comprises a kind of microchannel thermotube heating plant, including what is exchanged heat by micro channel heat heat exchange of heat pipe
Indoor heating system and carbon dioxide air-conditioner outdoor unit, the micro channel heat heat exchange of heat pipe includes the carbon dioxide air cooler be close to and micro-
Passage vaporizer；The indoor heating system includes pipeline heat-exchange system, the pipeline heat-exchange system two ends respectively by check valve and
First throttle valve is connected with the import and export of microchannel vaporizer；The carbon dioxide air-conditioner outdoor unit includes what is be sequentially connected
Carbon dioxide sprayer, evaporimeter and separator；Second throttle is set between the evaporimeter and separator；The separator
It is connected with carbon dioxide air cooler import by carbon-dioxide gas compressor；The carbon dioxide air cooler outlet and carbon dioxide
Injector is connected.
Further, the pipeline heat-exchange system of the indoor heating system is indoor radiating coil pipe.
Further, described carbon dioxide air cooler includes carbon dioxide gas cold runner, the carbon dioxide gas cold flow
Road two ends are connected with carbon dioxide header；The microchannel vaporizer includes microchannel refrigerant runner, the microchannel
Refrigerant flow path two ends are connected with cold-producing medium header.
Further, the carbon dioxide gas cold runner and microchannel refrigerant runner are flat tube.
After said structure, present configuration is simple, easy to make, relative to the heat exchange of the media such as steam or water
Device, flow velocity doubles the above, and heat exchange property is significantly improved, and the other specification such as resistance is without substantially increase, improves to heat and is
The Energy Efficiency Ratio of system, saves the energy；And the problems such as overcoming low temperature and freeze.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Fig. 1 is the structural representation of microchannel thermotube heating plant of the present invention.
In figure：1 is indoor heating system, and 2 is indoor radiating coil pipe, and 3 is check valve, and 4 is carbon dioxide sprayer, and 5 is dioxy
Change carbon air-conditioner outdoor unit, 6 is evaporimeter, and 7 is second throttle, and 8 is separator, and 9 is carbon-dioxide gas compressor, and 10 is first segment
Stream valve, 11 is microchannel vaporizer, and 12 is carbon dioxide air cooler
Specific embodiment
As shown in figure 1, the present invention includes a kind of microchannel thermotube heating plant, including being entered by micro channel heat heat exchange of heat pipe
The indoor heating system 1 and carbon dioxide air-conditioner outdoor unit 5 of row heat exchange.The micro channel heat heat exchange of heat pipe includes the carbon dioxide being close to
Air cooler 12 and microchannel vaporizer 11, the indoor heating system 1 includes pipeline heat-exchange system, the pipeline heat-exchange system two ends point
It is not connected with the import and export of microchannel vaporizer 11 by check valve 3 and first throttle valve 10.The carbon dioxide air conditioning chamber
Outer machine 5 includes carbon dioxide sprayer 4, evaporimeter 6 and the separator 8 being sequentially connected.Between the evaporimeter 6 and separator 8
Second throttle 7 is set；The separator 8 is connected by carbon-dioxide gas compressor 9 with the import of carbon dioxide air cooler 12；Institute
State the outlet of carbon dioxide air cooler 12 to be connected with carbon dioxide sprayer 4.
Further, the pipeline heat-exchange system of the indoor heating system is indoor radiating coil pipe 2.
Further, described carbon dioxide air cooler 12 includes carbon dioxide gas cold runner, the carbon dioxide air cooling
Runner two ends are connected with carbon dioxide header；The microchannel vaporizer 11 includes microchannel refrigerant runner, described micro-
Multi-channel refrigerant runner two ends are connected with cold-producing medium header.
Further, the carbon dioxide gas cold runner and microchannel refrigerant runner are flat tube.
The present invention includes a kind of microchannel thermotube heating method, and when micro channel heat heat exchange of heat pipe runs, liquid refrigerant leads to
Choke valve is crossed into the entrance of the cold-producing medium header, then uniformly cold-producing medium is assigned in micro-channel flat；High temperature two
Carbon oxide gas enter the entrance of the carbon dioxide header, then uniformly dispense a gas onto carbon dioxide air cooling flat tube
In；Refrigerant flow direction and flow of carbon dioxide gas form high temperature and high pressure gas to conversely, make cold-producing medium fully heat, then pass through
Check valve is condensed into liquid into the pipeline heat-exchange system radiating in room.
Carbon dioxide of the present invention heats the Energy Efficiency Ratio of heating plant much larger than chiller refrigeration air-conditioning system, and cold-producing medium is quick
The gas of HTHP is formed after heating, the heat that its unit mass is carried is with pressure into ratio；And water makees heat transferring medium its list
The heat that position quality is carried is definite value.Cold-producing medium will not be condensed under the environment of -30 DEG C of Northern Part of China, and water will freeze.
The present invention solves the problems, such as low temperature environment air-conditioning heating, improves the Energy Efficiency Ratio of system, energy-conserving and environment-protective.
Although the foregoing describing the specific embodiment of the present invention, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and essence of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (5)
1. a kind of microchannel thermotube heating method, it is characterised in that：When micro channel heat heat exchange of heat pipe runs, liquid refrigerant passes through
Choke valve enters the entrance of the cold-producing medium header, then uniformly cold-producing medium is assigned in micro-channel flat；High temperature dioxy
Change carbon gas and enter the entrance of the carbon dioxide header, then uniformly dispense a gas onto in carbon dioxide air cooling flat tube；
Refrigerant flow direction and flow of carbon dioxide gas form high temperature and high pressure gas to conversely, make cold-producing medium fully heat, then by unidirectional
Valve is condensed into liquid into the pipeline heat-exchange system radiating in room.
2. a kind of microchannel thermotube heating plant, including the indoor heating system and dioxy that are exchanged heat by micro channel heat heat exchange of heat pipe
Change carbon air-conditioner outdoor unit, it is characterised in that：The micro channel heat heat exchange of heat pipe includes the carbon dioxide air cooler be close to and micro- logical
Road vaporizer；The indoor heating system includes pipeline heat-exchange system, and the pipeline heat-exchange system two ends are respectively by check valve and the
One choke valve is connected with the import and export of microchannel vaporizer；The carbon dioxide air-conditioner outdoor unit includes two for being sequentially connected
Carbonoxide injector, evaporimeter and separator；Second throttle is set between the evaporimeter and separator；The separator leads to
Cross carbon-dioxide gas compressor to be connected with carbon dioxide air cooler import；The carbon dioxide air cooler outlet and carbon dioxide spray
Emitter is connected.
3. according to the microchannel thermotube heating plant described in claim 2, it is characterised in that：The pipeline heat exchange of the indoor heating system
System is indoor radiating coil pipe.
4. according to the microchannel thermotube heating plant described in claim 2, it is characterised in that：Described carbon dioxide air cooler bag
Carbon dioxide gas cold runner is included, the carbon dioxide gas cold runner two ends are connected with carbon dioxide header；The microchannel
Vaporizer includes microchannel refrigerant runner, and the microchannel refrigerant runner two ends are connected with cold-producing medium header.
5. according to the microchannel thermotube heating plant described in claim 4, it is characterised in that：The carbon dioxide gas cold runner and
Microchannel refrigerant runner is flat tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238263.1A CN106642809A (en) | 2016-12-28 | 2016-12-28 | Microchannel heat pipe heating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238263.1A CN106642809A (en) | 2016-12-28 | 2016-12-28 | Microchannel heat pipe heating method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106642809A true CN106642809A (en) | 2017-05-10 |
Family
ID=58832424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611238263.1A Pending CN106642809A (en) | 2016-12-28 | 2016-12-28 | Microchannel heat pipe heating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106642809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899101A (en) * | 2021-10-12 | 2022-01-07 | 特灵空调系统(中国)有限公司 | Air conditioning system |
Citations (12)
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|---|---|---|---|---|
| US20040182551A1 (en) * | 2003-03-17 | 2004-09-23 | Cooligy, Inc. | Boiling temperature design in pumped microchannel cooling loops |
| CN101135505A (en) * | 2007-09-25 | 2008-03-05 | 西安交通大学 | Vapour compressing refrigeration system including injector |
| JP2008111653A (en) * | 2006-10-17 | 2008-05-15 | Cooligy Inc | Cooler |
| CN102422093A (en) * | 2009-05-12 | 2012-04-18 | 三菱电机株式会社 | Air conditioner |
| CN102549356A (en) * | 2009-08-17 | 2012-07-04 | 江森自控科技公司 | Heat-pump chiller with improved heat recovery features |
| CN103017412A (en) * | 2012-12-21 | 2013-04-03 | 天津大学 | Propane heat pump system employing carbon dioxide as secondary refrigerant |
| CN103842745A (en) * | 2011-09-30 | 2014-06-04 | 开利公司 | High efficiency refrigeration system |
| CN204574623U (en) * | 2015-03-20 | 2015-08-19 | 广东美的暖通设备有限公司 | Micro-channel heat exchanger and there is the anhydrous floor heating system of this micro-channel heat exchanger |
| US20160054077A1 (en) * | 2014-08-19 | 2016-02-25 | Carrier Corporation | Multipass microchannel heat exchanger |
| CN105972848A (en) * | 2015-03-11 | 2016-09-28 | 西克制冷产品有限责任公司 | Water cooled microchannel condenser |
| CN206469544U (en) * | 2016-12-28 | 2017-09-05 | 江苏康泰热交换设备工程有限公司 | Microchannel thermotube heating plant |
| US20190153283A1 (en) * | 2017-11-17 | 2019-05-23 | Honeywell International Inc. | Heat transfer compositions, methods and systems |
-
2016
- 2016-12-28 CN CN201611238263.1A patent/CN106642809A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040182551A1 (en) * | 2003-03-17 | 2004-09-23 | Cooligy, Inc. | Boiling temperature design in pumped microchannel cooling loops |
| JP2008111653A (en) * | 2006-10-17 | 2008-05-15 | Cooligy Inc | Cooler |
| CN101135505A (en) * | 2007-09-25 | 2008-03-05 | 西安交通大学 | Vapour compressing refrigeration system including injector |
| CN102422093A (en) * | 2009-05-12 | 2012-04-18 | 三菱电机株式会社 | Air conditioner |
| CN102549356A (en) * | 2009-08-17 | 2012-07-04 | 江森自控科技公司 | Heat-pump chiller with improved heat recovery features |
| CN103842745A (en) * | 2011-09-30 | 2014-06-04 | 开利公司 | High efficiency refrigeration system |
| CN103017412A (en) * | 2012-12-21 | 2013-04-03 | 天津大学 | Propane heat pump system employing carbon dioxide as secondary refrigerant |
| US20160054077A1 (en) * | 2014-08-19 | 2016-02-25 | Carrier Corporation | Multipass microchannel heat exchanger |
| CN105972848A (en) * | 2015-03-11 | 2016-09-28 | 西克制冷产品有限责任公司 | Water cooled microchannel condenser |
| CN204574623U (en) * | 2015-03-20 | 2015-08-19 | 广东美的暖通设备有限公司 | Micro-channel heat exchanger and there is the anhydrous floor heating system of this micro-channel heat exchanger |
| CN206469544U (en) * | 2016-12-28 | 2017-09-05 | 江苏康泰热交换设备工程有限公司 | Microchannel thermotube heating plant |
| US20190153283A1 (en) * | 2017-11-17 | 2019-05-23 | Honeywell International Inc. | Heat transfer compositions, methods and systems |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899101A (en) * | 2021-10-12 | 2022-01-07 | 特灵空调系统(中国)有限公司 | Air conditioning system |
| CN113899101B (en) * | 2021-10-12 | 2022-11-01 | 特灵空调系统(中国)有限公司 | Air conditioning system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |