CN206609158U - Overlapping air energy liquid heating - Google Patents
Overlapping air energy liquid heating Download PDFInfo
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- CN206609158U CN206609158U CN201720289055.8U CN201720289055U CN206609158U CN 206609158 U CN206609158 U CN 206609158U CN 201720289055 U CN201720289055 U CN 201720289055U CN 206609158 U CN206609158 U CN 206609158U
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- circulation pipeline
- heat exchanger
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Abstract
Overlapping air energy liquid heating includes first circulation pipeline and second circulation pipeline, it is connected with the first compressor set on first circulation pipeline in turn, in put heat exchanger, first fluid reservoir, first expansion valve, evaporator and the first gas-liquid separator, it is connected with the second compressor set on second circulation pipeline in turn, plate type heat exchanger, second fluid reservoir, second expansion valve, in put heat exchanger and the second gas-liquid separator, first circulation pipeline and second circulation pipeline can put heat exchanger in and carry out heat transfer, liquid is heated by the way of two groups of absorption heat pump autocascade cycles, it disclosure satisfy that demand of most of industrial enterprises to fluid temperature, the heat exchange coil of auxiliary heating is provided with gas-liquid separator, refrigerant liquid in gas-liquid separator is flashed to gas and absorbed for compressor by the high-temperature gas that can be bypassed back when the liquid level in gas-liquid separator is too high by heat exchange coil, compressor is avoided to be damaged.
Description
Technical field
The utility model is related to a kind of air energy liquid heating, and specifically a kind of overlapping air energy liquid adds
Thermal.
Background technology
Numerous industrial enterprises such as colliery, chemical industry are both needed to use high-temp liquid in production activity, and most enterprises obtain
The mode of high-temp liquid is heated by electrical heating or fuel boiler, and energy consumption is higher.Part is to the less demanding enterprise of water temperature
For reduction production cost, heated up using absorption heat pump liquid, but by absorption heat pump itself heating ability is limited, it is this
The fluid temperature that mode is produced can not can only meet the production technology demand of very small part enterprise more than 60 DEG C.
Utility model content
The purpose of this utility model is to provide a kind of overlapping air energy liquid heating, and it is using two groups of absorption type heats
The mode of pump autocascade cycle is heated to liquid, and its heating ability reaches as high as more than 100 DEG C, disclosure satisfy that most of industry
Demand of the enterprise to fluid temperature.
The utility model to achieve the above object, is achieved through the following technical solutions：Including first circulation pipeline and second
Be connected with turn on circulation line, first circulation pipeline the first compressor set, in put heat exchanger, the first fluid reservoir, first expansion
It is connected with the second compressor set, plate type heat exchanger, on valve, evaporator and the first gas-liquid separator, second circulation pipeline in turn
Two fluid reservoirs, the second expansion valve, in put heat exchanger and the second gas-liquid separator, first circulation pipeline and second circulation pipeline can lead to
Heat exchanger is put in crossing and carries out heat transfer, second gas-liquid separator includes housing, and the side wall and base plate interior of housing are respectively provided with
Heat exchange coil, heat exchange coil one end by bypass line and in put second circulation pipeline between heat exchanger and plate type heat exchanger and connect
Logical, the heat exchange coil other end is connected by the second circulation pipeline between bypass line and plate type heat exchanger and the second compressor set
It is logical, installed on bypass line and liquid level sensor is installed in bypass control valve (BCV), the housing of the second gas-liquid separator, liquid level sensor leads to
Control circuit is crossed to be connected with bypass control valve (BCV).First compressor set and the second compressor set are by two pressures parallel with one another
Contracting machine is constituted, and compressor control valve is respectively mounted on the parallel pipeline of each compressor.The evaporator is parallel with one another including two groups
Finned heat exchanger, be respectively mounted electric heated defrosting device, the parallel connection of each finned heat exchanger on each finned heat exchanger
The first expansion valve and evaporation control valve are respectively mounted on pipeline.The first circulation pipeline, second circulation pipeline, the first compressor
Group, the first gas-liquid separator, evaporator, the first expansion valve, the first fluid reservoir, in put heat exchanger, the second compressor set, the second gas
Liquid/gas separator, the second expansion valve, the second fluid reservoir, plate type heat exchanger and bypass line are installed in shell, wherein evaporator
Opened up in the sheath top plate above shell upper, evaporator and cooling fan, the first compressor set are installed in through hole, through hole
Outer casing underpart is arranged on the second compressor set.
The utility model has the advantage of：Liquid is heated by the way of two groups of absorption heat pump autocascade cycles,
Its heating ability reaches as high as more than 100 DEG C, disclosure satisfy that demand of most of industrial enterprises to fluid temperature, gas-liquid separator
In be provided with auxiliary heating heat exchange coil, heat exchange coil can by small part high-temperature gas bypass come for gas-liquid separator it is auxiliary
Heating is helped, the bypass of heat exchange coil is controlled by the liquid level in gas-liquid separator, when the liquid level in gas-liquid separator is too high
When the high-temperature gas that can be bypassed back by heat exchange coil the refrigerant liquid in gas-liquid separator flashed into gas supply compressor
Absorb, it is to avoid compressor is damaged.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A cross section structure diagrams in Fig. 1；
Fig. 3 is the structural representation that each part of the utility model is arranged in shell.
Embodiment
Overlapping air energy liquid heating described in the utility model includes first circulation pipeline 1 and second circulation pipe
Be connected with turn on road 2, first circulation pipeline 1 first compressor set 3, in put heat exchanger 6, the first fluid reservoir 17, first expansion
The second compressor set 7, plate-type heat-exchange are connected with turn on valve 16, the gas-liquid separator 4 of evaporator 5 and first, second circulation pipeline 2
Device 9, the second fluid reservoir 19, the second expansion valve 18, in put the gas-liquid separator 8 of heat exchanger 6 and second, first circulation pipeline 1 and
Two circulation lines 2 can put heat exchanger 6 in and carry out heat transfer, and second gas-liquid separator 8 includes housing 10, housing 10
Side wall and base plate interior are respectively provided with heat exchange coil 11, and heat exchanger 6 and plate are put in the one end of heat exchange coil 11 by bypass line 12 with
Second circulation pipeline 2 between formula heat exchanger 9 is connected, and the other end of heat exchange coil 11 passes through bypass line 12 and plate type heat exchanger 9
And the second second circulation pipeline 2 between compressor set 7 is connected, bypass control valve (BCV) 13, the second gas-liquid are installed on bypass line 12
Liquid level sensor 14 is installed, liquid level sensor 14 is by controlling circuit 15 to connect with bypass control valve (BCV) 13 in the housing 10 of separator 8
Connect.First circulation pipeline 1 and second circulation pipeline 2 described in the utility model form independent refrigerant closed circulation and returned respectively
Road, the first compressor set 3 absorbs heat in environment by refrigerant when working in evaporator 5, and refrigerant liquid flashes to gas
Body is absorbed the refrigerant gas for being compressed into HTHP after the first gas-liquid separator 4 isolates liquid by the first compressor set 3
Body, high-temperature high-pressure refrigerant gas is put after heat exchanger 6 in entering to be exchanged heat with the refrigerant in second circulation pipeline 2, heat exchange
The refrigerant in first circulation pipeline 1 is condensed into liquid afterwards, enters evaporator 5 by the first fluid reservoir 17, the first expansion valve 16
Carry out next round circulation；Second compressor set 7 is put when working by refrigerant in absorbs first circulation pipeline 1 at heat exchanger 6
Obtained heat, refrigerant liquid flashes to gas and after the second gas-liquid separator 8 isolates liquid by the second compressor
Group 7 absorbs the refrigerant gas for being compressed into HTHP, and high-temperature high-pressure refrigerant gas enters plate type heat exchanger 9 to industrial liquid
Body is heated, and the refrigerant after cooling is condensed into liquid and entered after the second fluid reservoir 19, the reducing pressure by regulating flow of the second expansion valve 18
In put heat exchanger 6 and exchanged heat again with first circulation pipeline 1, carry out next round circulation.The second circulation pipeline 2 and first
The temperature rise effect overlapping of circulation line 1, can reach more than 100 DEG C of increasing extent of temperature.Due to the system in second circulation pipeline 2
The temperature difference is larger before and after cryogen heating, and the heating and cooling amplitude of refrigerant is far above conventional heat pump equipment, therefore refrigerant may go out
The problem of now evaporating insufficient, larger pressure is caused to the second gas-liquid separator 8, the liquid accumulated in such as the second gas-liquid separator 8
Body is excessive, and the second compressor set 7 can together suck liquid while absorbing gas, and causing the operating efficiency of compressor reduces,
It can also make compressor damage when serious.To solve the above problems, the application the structure of the second gas-liquid separator 8 has been carried out it is special
Design, is fabricated to double Shell, the side wall and base plate interior of housing 10 are respectively provided with heat exchange coil 11, heat exchange coil 11 by its housing
The second circulation pipeline 2 that one end is put by bypass line 12 between heat exchanger 6 and plate type heat exchanger 9 is connected, heat exchange coil
11 other ends are connected by the second circulation pipeline 2 between bypass line 12 and the compressor set 7 of plate type heat exchanger 9 and second, other
Installed on siphunculus road 12 in bypass control valve (BCV) 13, the housing 10 of the second gas-liquid separator 8 and liquid level sensor 14, level sensing are installed
Device 14 is by controlling circuit 15 to be connected with bypass control valve (BCV) 13.Liquid level sensor 14 detects the refrigerant liquid body fluid in housing 10
When position exceedes default safety value, bypass control valve (BCV) 13 is opened, the refrigerant for the small part HTHP that compressor compresses are produced
The liquid refrigerant that gas enters in 11 pair of second gas-liquid separator 8 of heat exchange coil through bypass line 12, which carries out heating, makes its rapid
Gas is flashed to, prevents from sucking liquid refrigerant during compressor air suction, it is ensured that the operating efficiency of compressor is unaffected, it is to avoid pressure
Contracting machine is damaged.
The utility model can use following structures to ensure continuous production：The compressor of first compressor set 3 and second
Group 7 is by two compressor sets parallel with one another into being respectively mounted compressor control valve on the parallel pipeline of each compressor.The knot
Structure is provided with standby compressor in each compressor set, and each compressor can pass through compressor control Vavle switching, a compression
During machine maintenance down, another compressor work is can switch to, the continuous production of enterprise is ensured.
The structure of evaporator described in the utility model is as follows：The evaporator 5 includes two groups and parallel with one another finned changed
It is respectively mounted on electric heated defrosting device, the parallel pipeline of each finned heat exchanger and pacifies on hot device, each finned heat exchanger
Fill the first expansion valve 16 and evaporation control valve.Finned heat exchanger is divided into two groups by the structure, advantageously reduces the stream of refrigerating fluid
The frosting outside finned heat exchanger can be removed under logical resistance, low temperature environment by electric heated defrosting device.
The utility model can be installed each part in same housing concentratedly, its structure for ease of installing and transporting
For：The first circulation pipeline 1, second circulation pipeline 2, the first compressor set 3, the first gas-liquid separator 4, evaporator 5, first
Expansion valve 16, the first fluid reservoir 17, in put heat exchanger 6, the second compressor set 7, the second gas-liquid separator 8, the second expansion valve 18,
Second fluid reservoir 19, plate type heat exchanger 9 and bypass line 12 are installed in shell 20, and wherein evaporator 5 is arranged on shell 20
Opened up on top, the top plate of shell 20 of the top of evaporator 5 and cooling fan 22, the first compressor set 3 are installed in through hole 21, through hole 21
The bottom of shell 20 is arranged on the second compressor set 7.The structure advantageously reduces equipment center of gravity, improves stabilization during equipment operation
Property.
30 are mounted in the magnetic valve on first circulation pipeline 1 in figure；31 are mounted in the filtering on first circulation pipeline 1
Device；32 are mounted in the magnetic valve on second circulation pipeline 2；33 are mounted in the filter on second circulation pipeline 2.
Claims (4)
1. overlapping air energy liquid heating, it is characterised in that：Including first circulation pipeline（1）With second circulation pipeline
（2）, first circulation pipeline（1）On be connected with the first compressor set in turn（3）, in put heat exchanger（6）, the first fluid reservoir（17）、
First expansion valve（16）, evaporator（5）With the first gas-liquid separator（4）, second circulation pipeline（2）On be connected with the second pressure in turn
Contracting unit（7）, plate type heat exchanger（9）, the second fluid reservoir（19）, the second expansion valve（18）, in put heat exchanger（6）With the second gas-liquid
Separator（8）, first circulation pipeline（1）With second circulation pipeline（2）Heat exchanger can be put in（6）Heat transfer is carried out, it is described
Second gas-liquid separator（8）Including housing（10）, housing（10）Side wall and base plate interior be respectively provided with heat exchange coil（11）, heat exchange
Coil pipe（11）One end passes through bypass line（12）Heat exchanger is put with（6）And plate type heat exchanger（9）Between second circulation pipeline
（2）Connection, heat exchange coil（11）The other end passes through bypass line（12）With plate type heat exchanger（9）With the second compressor set（7）It
Between second circulation pipeline（2）Connection, bypass line（12）Upper installation bypass control valve (BCV)（13）, the second gas-liquid separator（8）'s
Housing（10）Interior installation liquid level sensor（14）, liquid level sensor（14）By controlling circuit（15）With bypass control valve (BCV)（13）Even
Connect.
2. overlapping air energy liquid heating according to claim 1, it is characterised in that：First compressor set
（3）With the second compressor set（7）By two compressor sets parallel with one another into being respectively mounted on the parallel pipeline of each compressor
Compressor control valve.
3. overlapping air energy liquid heating according to claim 1, it is characterised in that：The evaporator（5）Bag
Include and electric heated defrosting device, each fin are respectively mounted on two groups of finned heat exchangers parallel with one another, each finned heat exchanger
The first expansion valve is respectively mounted on formula heat exchangers in parallel pipeline（16）With evaporation control valve.
4. overlapping air energy liquid heating according to claim 1, it is characterised in that：The first circulation pipeline
（1）, second circulation pipeline（2）, the first compressor set（3）, the first gas-liquid separator（4）, evaporator（5）, the first expansion valve
（16）, the first fluid reservoir（17）, in put heat exchanger（6）, the second compressor set（7）, the second gas-liquid separator（8）, second expansion
Valve（18）, the second fluid reservoir（19）, plate type heat exchanger（9）And bypass line（12）It is installed in shell（20）It is interior, wherein evaporating
Device（5）Installed in shell（20）Top, evaporator（5）The shell of top（20）Through hole is opened up on top plate（21）, through hole（21）It is interior
Cooling fan is installed（22）, the first compressor set（3）With the second compressor set（7）Installed in shell（20）Bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289055.8U CN206609158U (en) | 2017-03-23 | 2017-03-23 | Overlapping air energy liquid heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289055.8U CN206609158U (en) | 2017-03-23 | 2017-03-23 | Overlapping air energy liquid heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609158U true CN206609158U (en) | 2017-11-03 |
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ID=60166202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289055.8U Active CN206609158U (en) | 2017-03-23 | 2017-03-23 | Overlapping air energy liquid heating |
Country Status (1)
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| CN (1) | CN206609158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062607A (en) * | 2017-03-23 | 2017-08-18 | 济南明湖制冷空调设备有限公司 | Overlapping air energy liquid heating |
-
2017
- 2017-03-23 CN CN201720289055.8U patent/CN206609158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062607A (en) * | 2017-03-23 | 2017-08-18 | 济南明湖制冷空调设备有限公司 | Overlapping air energy liquid heating |
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