CN204063226U - There is the absorption type heat pump assembly of emergency bypass - Google Patents
There is the absorption type heat pump assembly of emergency bypass Download PDFInfo
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- CN204063226U CN204063226U CN201420393677.1U CN201420393677U CN204063226U CN 204063226 U CN204063226 U CN 204063226U CN 201420393677 U CN201420393677 U CN 201420393677U CN 204063226 U CN204063226 U CN 204063226U
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- ball valve
- type heat
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Abstract
The utility model provides a kind of absorption type heat pump assembly with emergency bypass and comprises the first heat pump, first plate type heat exchanger and the second plate type heat exchanger, the intermediate water entrance of the second plate type heat exchanger is connected to B district secondary water-supply pipeline by the 8th ball valve, a water inlet of the second plate type heat exchanger is connected to a supply channel by the 9th ball valve, one time, the AB district water out of the first heat pump is connected to the pipeline between a water inlet of the second plate type heat exchanger and the 9th ball valve by the 22 ball valve, the intersection point of the 9th ball valve place pipeline and the 22 ball valve place pipeline is connected to the pipeline between a water inlet of the first plate type heat exchanger and a water out of the second plate type heat exchanger by butterfly valve, the intermediate water outlet of the second plate type heat exchanger is connected to B district secondary returning water lines by the 7th ball valve and is connected to the B district intermediate water outlet of the first heat pump by the 12 ball valve.By the utility model, flow and the temperature of two plate type heat exchangers can be regulated neatly.
Description
Technical field
The utility model relates to heating equipment technical field, in particular to a kind of absorption type heat pump assembly with emergency bypass.
Background technology
At present, in the process utilizing the heat supply of absorption type heat pump assembly, two plate type heat exchangers coordinated with heat pump belong to series relationship, cannot regulate flow and the temperature of two plate type heat exchangers neatly.
Therefore, need a kind of new absorption type heat pump assembly, flow and the temperature of two plate type heat exchangers can be regulated neatly.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of and can regulate the flow of two plate type heat exchangers and the absorption type heat pump assembly of temperature neatly.
In view of this, the utility model provides a kind of absorption type heat pump assembly with emergency bypass and comprises the first heat pump, the first plate type heat exchanger and the second plate type heat exchanger, wherein:
The intermediate water outlet of described first heat pump is connected to middle district secondary water-supply pipeline by the first ball valve, the A district intermediate water entrance of described first heat pump is connected to A district secondary returning water lines by the 6th ball valve, the B district intermediate water entrance of described first heat pump is connected to B district secondary returning water lines by the 7th ball valve, and one time, the AB district water inlet of described first heat pump is connected to a supply channel by the tenth ball valve;
The intermediate water entrance of described first plate type heat exchanger is connected to A district secondary water-supply pipeline by the second ball valve and is connected to A district secondary water-supply pipeline by the 3rd ball valve and described first ball valve successively, a water inlet of described first plate type heat exchanger is connected to a water out of described second plate type heat exchanger, a water out of described first plate type heat exchanger is connected to primary water pipeline, the intermediate water outlet of described first plate type heat exchanger is connected to the AB district intermediate water evaporator outlet of described first heat pump by the 4th ball valve and is connected to A district secondary returning water lines by the 5th ball valve,
The intermediate water entrance of described second plate type heat exchanger is connected to B district secondary water-supply pipeline by the 8th ball valve, a water inlet of described second plate type heat exchanger is connected to a supply channel by the 9th ball valve, one time, the AB district water out of described first heat pump is connected to the pipeline between a water inlet of described second plate type heat exchanger and described 9th ball valve by the 22 ball valve, the intersection point of described 9th ball valve place pipeline and described 22 ball valve place pipeline is connected to the pipeline between a water inlet of described first plate type heat exchanger and a water out of described second plate type heat exchanger by butterfly valve, the intermediate water outlet of described second plate type heat exchanger is connected to B district secondary returning water lines by described 7th ball valve and is connected to the B district intermediate water outlet of described first heat pump by the 12 ball valve.
Specifically, in original system, in the normal operating conditions of heat pump, once supply water along the tenth ball valve, the first heat pump, the 22 ball valve, the second plate type heat exchanger, the first plate type heat exchanger and get back to heat supply network, the primary water mouth of the second plate type heat exchanger is exactly a feed water inlet of the first plate type heat exchanger, two plate type heat exchangers belong to series relationship, therefore cannot regulate the flow of a second plate type heat exchanger feed water inlet and the temperature of a first plate type heat exchanger feed water inlet, make the first heat pump lack effectively stable regulating measure.In this technical scheme, increase butterfly valve, can effective stable regulation AB district flow equalized temperature.
Further, the described absorption type heat pump assembly with emergency bypass also comprises the second heat pump and three-plate type heat exchanger, wherein:
C district intermediate water outlet the 13 ball valve of described second heat pump is connected to C district secondary water-supply pipeline, one time, the C district water inlet of described second heat pump is connected to a supply channel by the 14 ball valve, one time, the C district water out of described second heat pump is connected to a supply channel by the 15 ball valve and the 16 ball valve successively, and the C district intermediate water entrance of described second heat pump is connected to C district secondary returning water lines by the 17 ball valve;
The intermediate water entrance of described three-plate type heat exchanger is connected to C district secondary water-supply pipeline by the 18 ball valve, and be connected to C district secondary water-supply pipeline by the 19 ball valve and described 13 ball valve successively, a water inlet of described three-plate type heat exchanger is connected to a supply channel by described 16 ball valve, a water out of described three-plate type heat exchanger is connected to primary water pipeline, the intermediate water outlet of described three-plate type heat exchanger is connected to the C district intermediate water evaporator outlet of described second heat pump by the 20 ball valve and is connected to C district secondary returning water lines by the 21 ball valve.
In this technical scheme, be the bypass that two heat pumps increase, when heat pump breaks down, heat supply can be carried out by bypass and plate type heat exchanger, make the heating system when heat pump breaks down also be unlikely to paralyse completely, improve the reliability and stability of system; In addition, two heat pumps are adopted in the program, for old-fashioned unit upgrading provides modification scheme, after new-type heat pump (the first heat pump) after have employed upgrading, original old-fashioned heat pump can as subsequent use, or for for certain district heating (being designated as C district in the program) thus with new-type heat pump common operational, improve heating efficiency, reduce cost, achieve the further utilization of refuse.
Accompanying drawing explanation
Fig. 1 is the structural representation with the absorption type heat pump assembly of emergency bypass according to utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figure 1, comprise the first heat pump 61, first plate type heat exchanger 63 and the second plate type heat exchanger 62 according to the absorption type heat pump assembly with emergency bypass of embodiment of the present utility model, wherein:
The intermediate water outlet 31 of described first heat pump 61 is connected to middle district secondary water-supply pipeline by the first ball valve 1, the A district intermediate water entrance 36 of described first heat pump 61 is connected to A district secondary returning water lines 57 by the 6th ball valve 6, the B district intermediate water entrance 36 of described first heat pump 61 is connected to B district secondary returning water lines 58 by the 7th ball valve 7, and one time, the AB district water inlet 32 of described first heat pump 61 is connected to a supply channel 54 by the tenth ball valve 10;
The intermediate water entrance of described first plate type heat exchanger 63 is connected to A district secondary water-supply pipeline 51 by the second ball valve 2 and is connected to A district secondary water-supply pipeline 51 by the 3rd ball valve 3 and described first ball valve 1 successively, a water inlet of described first plate type heat exchanger 63 is connected to a water out of described second plate type heat exchanger 62, a water out of described first plate type heat exchanger 63 is connected to primary water pipeline 55, the intermediate water outlet of described first plate type heat exchanger 63 is connected to the AB district intermediate water evaporator outlet 35 of described first heat pump 61 by the 4th ball valve 4 and is connected to A district secondary returning water lines 57 by the 5th ball valve 5,
The intermediate water entrance of described second plate type heat exchanger 62 is connected to B district secondary water-supply pipeline 52 by the 8th ball valve 8, a water inlet of described second plate type heat exchanger 62 is connected to a supply channel 54 by the 9th ball valve 9, one time, the AB district water out 33 of described first heat pump 61 is connected to the pipeline between a water inlet of described second plate type heat exchanger 62 and described 9th ball valve 9 by the 22 ball valve 22, the intersection point of described 9th ball valve 9 place pipeline and described 22 ball valve 22 place pipeline is connected to the pipeline between a water inlet of described first plate type heat exchanger 63 and a water out of described second plate type heat exchanger 62 by butterfly valve 11, the intermediate water outlet of described second plate type heat exchanger 62 is connected to B district secondary returning water lines 58 by described 7th ball valve 7 and is connected to the B district intermediate water outlet 34 of described first heat pump 61 by the 12 ball valve 12.
Specifically, in original system, in the normal operating conditions of heat pump, once supply water along the tenth ball valve 10, first heat pump the 61, the 22 ball valve, the second plate type heat exchanger 62, first plate type heat exchanger 63 and get back to heat supply network, the primary water mouth of the second plate type heat exchanger 62 is exactly a feed water inlet of the first plate type heat exchanger 63, two plate type heat exchangers belong to series relationship, therefore cannot regulate the flow of second plate type heat exchanger 62 feed water inlets and the temperature of first plate type heat exchanger 63 feed water inlets, make the first heat pump 61 lack effectively stable regulating measure.In this technical scheme, increase butterfly valve 11, can effective stable regulation AB district flow equalized temperature.
Wherein, so-called A district, B district, C district refer to different confession thermal regions, usually divided by floor, such as A district is intermediate floor, B district is high level, C district is low layer in practice; Two heat pumps (first heat pump 61 and the second heat pump 64) in the utility model belong to dissimilar heat pump, in practice, first heat pump 61 is absorption heat pump of new generation, second heat pump 62 is old-fashioned heat pump, in device upgrade is regenerated, remain the second old-fashioned heat pump 62, can as subsequent use, or for for certain district heating (being designated as C district in the program) thus with new-type heat pump common operational, improve heating efficiency, reduce cost, achieve the further utilization of refuse.
The transformation of this technical scheme in the utility model, installs butterfly valve 11 additional, regulates one time, B district feed water inlet flow and one time, A district feed water inlet temperature by controlling butterfly valve 11 aperture, can effective stable regulation AB district flow equalized temperature, specific as follows:
When the first plate type heat exchanger 63 supply water temperatures are lower, increase butterfly 11 valve opening, make the more feed water inlet being imported the first plate type heat exchanger 63 by bypass of once supplying water, improve the first plate type heat exchanger 63 supply water temperatures, improve heat exchange efficiency.
When the first plate type heat exchanger 63 supply water temperatures are higher, reduce butterfly valve 11 aperture, make less feed water inlet being imported the first plate type heat exchanger 63 by bypass of once supplying water, reduce an import supply water temperature of the first plate type heat exchanger 63, improve heat exchange efficiency;
When the second plate type heat exchanger 62 discharges are lower, reduce butterfly valve 11 aperture, when the second plate type heat exchanger 62 discharges are higher, increase butterfly valve 11 aperture.
Further, the described absorption type heat pump assembly with emergency bypass also comprises the second heat pump 64 and three-plate type heat exchanger, wherein:
C district intermediate water outlet 41 the 13 ball valves 13 of described second heat pump 64 are connected to C district secondary water-supply pipeline 53, one time, the C district water inlet 42 of described second heat pump 64 is connected to a supply channel 54 by the 14 ball valve 14, one time, the C district water out 43 of described second heat pump 64 is connected to a supply channel 54 by the 15 ball valve the 15 and the 16 ball valve 16 successively, and the C district intermediate water entrance 45 of described second heat pump 64 is connected to C district secondary returning water lines 56 by the 17 ball valve 17;
The intermediate water entrance of described three-plate type heat exchanger 65 is connected to C district secondary water-supply pipeline 53 by the 18 ball valve 18, and be connected to C district secondary water-supply pipeline 53 by the 19 ball valve 19 and described 13 ball valve 13 successively, a water inlet of described three-plate type heat exchanger 65 is connected to a supply channel 54 by described 16 ball valve 16, a water out of described three-plate type heat exchanger 65 is connected to primary water pipeline 55, the intermediate water outlet of described three-plate type heat exchanger 65 is connected to the C district intermediate water evaporator outlet 44 of described second heat pump 64 by the 20 ball valve 20 and is connected to C district secondary returning water lines 56 by the 21 ball valve 21.
In this technical scheme, be the bypass that two heat pumps increase, when heat pump breaks down, heat supply can be carried out by bypass and plate type heat exchanger, make the heating system when heat pump breaks down also be unlikely to paralyse completely, improve the reliability and stability of system; In addition, two heat pumps are adopted in the program, for old-fashioned unit upgrading provides modification scheme, after new-type heat pump (the first heat pump 61) after have employed upgrading, original old-fashioned heat pump can as subsequent use, or for for certain district heating (being designated as C district in the program) thus with new-type heat pump common operational, improve heating efficiency, reduce cost, achieve the further utilization of refuse.
The working method of bypass for subsequent use is for the second heat pump, specific as follows:
Working method one: open the 14 ball valve the 14 and the 15 ball valve 15, closes the 16 ball valve 16, makes a water route flow into primary water pipeline 55 along 14 ball valve 14, second heat pump the 64, the 15 ball valves 15, three-plate type heat exchanger 65; Open the 17 ball valve the 17, the 13 ball valve the 13, the 20 ball valve the 20, the 19 ball valve 19, close the 21 ball valve the 21 and the 18 ball valve 18, make intermediate water flow into C district secondary water-supply pipeline 53 along the 17 ball valve 17, second heat pump the 64, the 20 ball valve 20, three-plate type heat exchanger the 65, the 19 ball valve the 19, the 13 ball valve 13 and flow into C district secondary water-supply pipeline 53 along the 17 ball valve 17, second heat pump the 64, the 13 ball valve 13.This working method first and second water, by the second heat pump 65 and the second plate type heat exchanger 64, belongs to unit and normally runs working method.
Working method two (when heat pump breaks down): open the 16 ball valve 16, closes the 14 ball valve the 14 and the 15 ball valve 15, makes a water make a water route flow into primary water pipeline 55 along the 16 ball valve 16, three-plate type heat exchanger 65; Open the 21 ball valve the 21 and the 18 ball valve 18, close the 17 ball valve the 17, the 13 ball valve the 13, the 20 ball valve the 20, the 19 ball valve 19, make intermediate water flow into C district secondary water-supply pipeline 53 along the 21 ball valve 21, three-plate type heat exchanger the 65, the 18 ball valve 18.This working method first and second water, not by the second heat pump 64, only by three-plate type heat exchanger 65, belongs to operation working method when the second heat pump 64 breaks down.
In sum, content of the present utility model is not limited in the above-described embodiment, those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (2)
1. there is an absorption type heat pump assembly for emergency bypass, it is characterized in that, comprise the first heat pump (61), the first plate type heat exchanger (63) and the second plate type heat exchanger (62), wherein:
Intermediate water outlet (31) of described first heat pump (61) is connected to middle district secondary water-supply pipeline by the first ball valve (1), A district intermediate water entrance (36) of described first heat pump (61) is connected to A district secondary returning water lines (57) by the 6th ball valve (6), B district intermediate water entrance (36) of described first heat pump (61) is connected to B district secondary returning water lines (58) by the 7th ball valve (7), one time, the AB district water inlet (32) of described first heat pump (61) is connected to a supply channel (54) by the tenth ball valve (10),
The intermediate water entrance of described first plate type heat exchanger (63) is connected to A district secondary water-supply pipeline (51) by the second ball valve (2) and is connected to A district secondary water-supply pipeline (51) by the 3rd ball valve (3) and described first ball valve (1) successively, a water inlet of described first plate type heat exchanger (63) is connected to a water out of described second plate type heat exchanger (62), a water out of described first plate type heat exchanger (63) is connected to primary water pipeline (55), the intermediate water outlet of described first plate type heat exchanger (63) is connected to AB district intermediate water evaporator outlet (35) of described first heat pump (61) by the 4th ball valve (4) and is connected to A district secondary returning water lines (57) by the 5th ball valve (5),
The intermediate water entrance of described second plate type heat exchanger (62) is connected to B district secondary water-supply pipeline (52) by the 8th ball valve (8), a water inlet of described second plate type heat exchanger (62) is connected to a supply channel (54) by the 9th ball valve (9), one time, the AB district water out (33) of described first heat pump (61) is connected to the pipeline between a water inlet of described second plate type heat exchanger (62) and described 9th ball valve (9) by the 22 ball valve (22), the intersection point of described 9th ball valve (9) place pipeline and described 22 ball valve (22) place pipeline is connected to the pipeline between a water inlet of described first plate type heat exchanger (63) and a water out of described second plate type heat exchanger (62) by butterfly valve (11), the intermediate water outlet of described second plate type heat exchanger (62) is connected to B district secondary returning water lines (58) by described 7th ball valve (7) and is connected to B district intermediate water outlet (34) of described first heat pump (61) by the 12 ball valve (12).
2. the absorption type heat pump assembly with emergency bypass according to claim 1, is characterized in that, also comprises the second heat pump (64) and three-plate type heat exchanger, wherein:
C district intermediate water outlet (41) the 13 ball valves (13) of described second heat pump (64) are connected to C district secondary water-supply pipeline (53), one time, the C district water inlet (42) of described second heat pump (64) is connected to a supply channel (54) by the 14 ball valve (14), one time, the C district water out (43) of described second heat pump (64) is connected to a supply channel (54) by the 15 ball valve (15) and the 16 ball valve (16) successively, C district intermediate water entrance (45) of described second heat pump (64) is connected to C district secondary returning water lines (56) by the 17 ball valve (17),
The intermediate water entrance of described three-plate type heat exchanger (65) is connected to C district secondary water-supply pipeline (53) by the 18 ball valve (18), and be connected to C district secondary water-supply pipeline (53) by the 19 ball valve (19) and described 13 ball valve (13) successively, a water inlet of described three-plate type heat exchanger (65) is connected to a supply channel (54) by described 16 ball valve (16), a water out of described three-plate type heat exchanger (65) is connected to primary water pipeline (55), the intermediate water outlet of described three-plate type heat exchanger (65) is connected to C district intermediate water evaporator outlet (44) of described second heat pump (64) by the 20 ball valve (20) and is connected to C district secondary returning water lines (56) by the 21 ball valve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393677.1U CN204063226U (en) | 2014-07-16 | 2014-07-16 | There is the absorption type heat pump assembly of emergency bypass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393677.1U CN204063226U (en) | 2014-07-16 | 2014-07-16 | There is the absorption type heat pump assembly of emergency bypass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063226U true CN204063226U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393677.1U Expired - Fee Related CN204063226U (en) | 2014-07-16 | 2014-07-16 | There is the absorption type heat pump assembly of emergency bypass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063226U (en) |
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2014
- 2014-07-16 CN CN201420393677.1U patent/CN204063226U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150716 |
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| EXPY | Termination of patent right or utility model |