CN202692525U - Hot water unit with exterior coupled type cascade high temperature heat pumps - Google Patents
Hot water unit with exterior coupled type cascade high temperature heat pumps Download PDFInfo
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- CN202692525U CN202692525U CN 201220262260 CN201220262260U CN202692525U CN 202692525 U CN202692525 U CN 202692525U CN 201220262260 CN201220262260 CN 201220262260 CN 201220262260 U CN201220262260 U CN 201220262260U CN 202692525 U CN202692525 U CN 202692525U
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Abstract
The utility model relates to a hot water unit with exterior coupled type cascade high temperature heat pumps. The hot water unit is characterized in that the hot water unit comprises a first compressor, a second compressor, a first throttling device, a second throttling device, an evaporator, a condenser, a coupled evaporative condenser, a first water pump, a third water pump, a first stop valve, a second stop valve, a medium temperature water tank and a high temperature water tank; the coupled evaporative condenser comprises a middle cavity, a left cavity, a right cavity, a middle partition board, a left partition boar, more than one first heat exchange pipes and more than one second heat exchange pipes; the middle partition board is arranged inside the middle cavity, and divides the middle cavity into a first middle chamber and a second middle chamber; the left partition board is arranged inside the left cavity and divides the left cavity into a first left chamber and a second left chamber; the first heat exchange pipes are arranged inside the first middle chamber; and the second heat exchange pipes are arranged inside the second middle chamber. The hot water unit has the advantage that the hot water unit can generate 55 DEG C medium-temperature circulating hot water and 80 DEG C high-temperature circulating hot water at the same time, so the hot water unit can satisfy the requirements of the places where 55 DEG C circulating hot water or 80 DEG C circulating water is used in large quantities, particularly the places where materials can be heated in different sections.
Description
Technical field
The utility model relates to the cascade type heat pump technology, especially a kind of coupled outside type cascade high-temperature heat pump Hot water units that produces industrial cycle hot water.
Background technology
Heat pump techniques is that a kind of high efficient energy sources are utilized technology, is widely used in the many-sides such as life and production.At present, utilize the general the highest hot water temperature who produces of single stage compress heat-pump hot-water unit of heat pump techniques exploitation below 60 ℃, and in industrial production such as plating, clothes, food, the industry such as butcher and need in a large number about 80 ℃ circulating hot waters, the single stage compress technology is difficult to effective solution.Adopt cascade type heat pump technology and two-stage compression heat pump technology can produce 80 ℃ hot water, but because it produces the single-stage heat pump of hot water temperature about 55 ℃ relatively, systematic energy efficiency ratio is lower, there is simultaneously a coupled problem between the high temperature heat pump system of above-mentioned high temperature heat pump unit and the hot pump in low temp system, bad such as the two-stage coupling, the Energy Efficiency Ratio of unit will further reduce, and unit operation stability is also relatively poor.Based on above-mentioned many reasons, its application in industrial production is limited by very large.Only have effectively to address the above problem, heat pump techniques is more widely used, bring into play larger economic benefit and social benefit.
Summary of the invention
The purpose of this utility model provides a kind of coupled outside type cascade high-temperature heat pump Hot water units, the high temperature circulation hot water of warm circulating hot water and about 80 ℃ in can producing simultaneously about 55 ℃, the place that a large amount of places, particularly material of using about 55 ℃ and 80 ℃ of left and right sides circulating hot waters can heat stepwise of satisfying the demand simultaneously.
In order to achieve the above object, the utility model is achieved in that a kind of coupled outside type cascade high-temperature heat pump Hot water units, it is characterized in that comprising the first compressor, the second compressor, first throttle device, the second throttling arrangement, evaporimeter, condenser, coupling evaporation condenser, the first water pump, the 3rd water pump, the first stop valve, the second stop valve, middle heated pool and high temperature pond; Wherein said coupling evaporation condenser comprises middle chamber, left cavity, right cavity, central dividing plate, left side dividing plate, the first heat exchanger tube more than one and the second heat exchanger tube more than, described left cavity is located at the left end of middle chamber, and described right cavity is located at the right-hand member of middle chamber; Described central dividing plate is located in the middle chamber and middle chamber is separated into the first intermediate cavity and the second intermediate cavity, above described the first intermediate cavity, be provided with the refrigerant entrance, below the first intermediate cavity, be provided with refrigerant exit, below described the second intermediate cavity, be provided with the refrigerant entrance, above the second intermediate cavity, be provided with refrigerant exit; Described left side dividing plate is located in the left cavity left cavity is separated into the first left chamber and the second left chamber, is provided with water inlet in described the first left chamber, is provided with delivery port in described the second left chamber; Described the first heat exchanger tube is arranged in the first intermediate cavity and an end and is communicated with the other end with the first left chamber and is communicated with right cavity, and described the second heat exchanger tube is arranged in the second intermediate cavity and an end and is communicated with the other end with the second left chamber and is communicated with right cavity; The gas outlet of described the first compressor is communicated with the refrigerant entrance of the first intermediate cavity top, the air intake of the first compressor is communicated with the outlet side of evaporimeter, the air intake of described evaporimeter is communicated with the gas outlet of first throttle device, and the air intake of described first throttle device is communicated with the refrigerant exit of the first intermediate cavity below; The delivery port of described middle heated pool is communicated with water inlet by the first water pump, and the water inlet of middle heated pool is communicated with delivery port; The air intake of described the second compressor is communicated with the refrigerant exit of the second intermediate cavity below, the gas outlet of the second compressor is communicated with the air intake of condenser, the gas outlet of described condenser is communicated with the air intake of the second throttling arrangement, and the gas outlet of described the second throttling arrangement is communicated with the refrigerant entrance of the second intermediate cavity top; The delivery port in described high temperature pond is communicated with the water inlet of condenser by the 3rd water pump, and the water inlet in high temperature pond is communicated with the delivery port of condenser; Be provided with the first tube connector and the second tube connector that is communicated with them between high temperature pond and middle heated pool, described the first stop valve is located on the second tube connector, and described the second stop valve is located on the first tube connector.
Be provided with the second water pump at described the second tube connector.
Described the first heat exchanger tube and the second heat exchanger tube can be metal straight pipe or metallic coil or metal coil pipe.
The utility model and prior art have following having a few:
1) can regulate preferably the operating condition of hot pump in low temp system and high temperature heat pump system, make the Two-stage Heat Pump System coupling good, improve the Energy Efficiency Ratio of unit.
2) the heat part that produces of the hot pump in low temp system of cascade type heat pump is as the heat absorption thermal source of high temperature heat pump system, warm water during another part is produced, in temperature heating production technology required, unit comprehensive energy efficiency ratio is greatly improved.
Description of drawings
Fig. 1 is Structure and Process schematic diagram of the present utility model;
Fig. 2 is the stereogram of coupling evaporation condenser of the present utility model;
Fig. 3 is the front view of coupling evaporation condenser of the present utility model;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the A-A cutaway view of Fig. 3;
Fig. 6 is unit control principle drawing of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is described further.
Shown in Fig. 1 to 5, a kind of coupled outside type cascade high-temperature heat pump Hot water units, the utility model characteristics are to comprise the first compressor 1, the second compressor 5, first throttle device 3, the second throttling arrangement 7, evaporimeter 4, condenser 6, coupling evaporation condenser 2, the first water pump 8, the 3rd water pump 14, the first stop valve 10, the second stop valve 11, middle heated pool 9 and high temperature pond 13; Wherein said coupling evaporation condenser 2 comprises middle chamber 21, left cavity 22, right cavity 23, central dividing plate 24, left side dividing plate 28, the first heat exchanger tube 25 more than one and the second heat exchanger tube 27 more than, described left cavity 22 is located at the left end of middle chamber 21, and described right cavity 23 is located at the right-hand member of middle chamber 21; Described central dividing plate 24 is located in the middle chamber 21 and middle chamber 21 is separated into the first intermediate cavity 215 and the second intermediate cavity 216, above described the first intermediate cavity 215, be provided with refrigerant entrance 212, below the first intermediate cavity 215, be provided with refrigerant exit 213, can hold the first cold-producing medium in such the first intermediate cavity 215; Below described the second intermediate cavity 216, be provided with refrigerant entrance 211, above the second intermediate cavity 216, be provided with refrigerant exit 214, can hold second refrigerant in such the second intermediate cavity 216; Described left side dividing plate 28 is located in the left cavity 22 left cavity 22 is separated into the first left chamber 221 and the second left chamber 224, is provided with water inlet 222 in described the first left chamber 221, is provided with delivery port 223 in described the second left chamber 224; Described the first heat exchanger tube 25 is arranged in the first intermediate cavity 215 and an end and is communicated with the other end with the first left chamber 221 and is communicated with right cavity 23, and described the second heat exchanger tube 27 is arranged in the second intermediate cavity 216 and an end and is communicated with the other end with the second left chamber 224 and is communicated with right cavity 23; The gas outlet of described the first compressor 1 is communicated with the refrigerant entrance 212 of the first intermediate cavity 215 tops, the air intake of the first compressor 1 is communicated with the gas outlet of evaporimeter 4, the air intake of described evaporimeter 4 is communicated with the gas outlet of first throttle device 3, and the air intake of described first throttle device 3 is communicated with the refrigerant exit 213 of the first intermediate cavity 215 belows; The delivery port of described middle heated pool 9 is communicated with water inlet 222 by the first water pump 8, and the water inlet of middle heated pool 9 is communicated with delivery port 223; The air intake of described the second compressor 5 is communicated with the refrigerant exit 211 of the second intermediate cavity 216 tops, the gas outlet of the second compressor 5 is communicated with the air intake of condenser 5, the gas outlet of described condenser 5 is communicated with the air intake of the second throttling arrangement 7, and the gas outlet of described the second throttling arrangement 7 is communicated with the refrigerant entrance 214 of the second intermediate cavity 216 belows; The delivery port in described high temperature pond 13 is communicated with the water inlet of condenser 5 by the 3rd water pump 14, and the water inlet in high temperature pond 13 is communicated with the delivery port of condenser 5; Be provided with the first tube connector 15 and the second tube connector 16 that is communicated with them between high temperature pond 13 and middle heated pool 9, described the first stop valve 10 is located on the second tube connector 16, and described the second stop valve 11 is located on the first tube connector 15.
During work, the first refrigerant gas by evaporimeter 4 becomes high temperature and high pressure gas after 1 compression of the first compressor, this high temperature and high pressure gas from refrigerant entrance 212 enter the first intermediate cavity 215 with the first heat exchanger tube 25 in water carry out being condensed into high pressure refrigerant liquid after the heat exchange, high pressure refrigerant liquid flows out from refrigerant exit 213 and become low-temp low-pressure liquid after 3 throttling of first throttle device, after evaporimeter 4 and external heat source heat exchange, become refrigerant gas again, return the first compressor 1, finish the hot pump in low temp system circulation; The first heat exchanger tube 25 is communicated with middle temperature circulatory pool 9, and the water in the middle temperature circulatory pool 9 is heated.Second refrigerant gas by the second intermediate cavity 216 becomes high temperature and high pressure gas after refrigerant exit 214 is flowed through 5 compressions of the second compressor, be condensed into highly pressurised liquid after the recirculated water heat exchange that in condenser 6 and high temperature circulation pond 13, comes, this highly pressurised liquid becomes low-temp low-pressure liquid after 7 throttlings of the second throttling arrangement, low-temp low-pressure liquid enters in the second intermediate cavity 216 with after the second heat exchange 27 heat exchange again and becomes refrigerant gas, return the second compressor 5, finish the high temperature heat pump system circulation.In Fig. 1, be heated after the water in the high temperature pond 13 and condenser 6 heat exchange, required for the high-temperature heating production technology; Be heated after the first refrigerant gas heat exchange in water in the middle heated pool 9 and the first intermediate cavity 215, water is emitted the part heat behind the second refrigerant liquid heat exchange again with in the second intermediate cavity 216 in the heated middle heated pool 9, another part heat in temperature heating production technology required.When unit needs hot pump in low temp system high temperature heat pump out of service to continue to move because of coupling control in the course of the work, recirculated water in the middle heated pool 9 continues circulation through the first water pump 8, utilize self heat to continue the high temperature heat pump system low pressure second refrigerant heating liquid in the coupling evaporation condenser 2, as the heat absorption thermal source of high temperature heat pump system, satisfy high temperature heat pump system operation needs.
In the present embodiment, be provided with the second water pump 12 at described the second tube connector 16.
Described the first heat exchanger tube 25 and the second heat exchanger tube 27 can be metal straight pipe or metallic coil or metal coil pipe.The first heat exchanger tube 25 and the second heat exchanger tube 27 can be metal straight pipe in the present embodiment.
As shown in Figure 3, control of the present utility model is such realization: when the unit initial launch, water temperature in middle heated pool 9 and the high temperature pond 13 is normal temperature, the SB8 that closes a switch, the first water pump 8 brings into operation, and the water in the middle heated pool 9 begins circulation, open simultaneously first and second stop valve 10,11 on the UNICOM's pipeline between middle heated pool 9 and the high temperature pond 13, the SB12 that closes a switch, the second water pump 12 brings into operation, and is circulated in the water inside in middle heated pool 9 and the high temperature pond 13.Be in closure state among the heated pool 9 cooling-water temperature sensor T in this moment, the blower fan of evaporimeter 4 and the first compressor 1 bring into operation in the hot pump in low temp system of this unit, in the water temperature T in the middle heated pool 9 with high temperature pond 13 in the water temperature T height begin simultaneously to raise, when reaching middle heated pool 9 setting lower limit temperature T1, cut-off switch SB12, the second water pump 12 is out of service, closes first and second stop valve 10,11.SB14 closes a switch, the 3rd water pump 14 brings into operation, water in the high temperature pond 13 begins circulation, this moment, high temperature pond cooling-water temperature sensor T eminence was in closure state, high temperature heat pump system second compressor 5 of this unit brings into operation, when the water temperature T in the high temperature pond 13 up to when the capping temperature T 4, high temperature heat pump system quits work.Drop to when setting lower limit temperature T3 when the water temperature T in high temperature pond 13 is high, high temperature heat pump system restarts.When reaching capping temperature T 2 in the water temperature T of central heated pool 9, hot pump in low temp system is out of service.At this moment, if high temperature heat pump system still need continue operation, water in the cause in the heated pool 9 is all the time in circulation, utilize self heat to continue the high temperature heat pump system low pressure second refrigerant heating liquid in the coupling evaporation condenser 2, as the heat absorption thermal source of high temperature heat pump system, guarantee the normal operation of high temperature heat pump system.Drop to when setting lower limit temperature T1 in the water temperature T in the central heated pool 9, hot pump in low temp system restarts.The upper and lower limit temperature T 4 that water temperature T in the high temperature pond 13 is high, T3 set by production technology and determine, upper and lower limit temperature T 2 in the water temperature T in the middle heated pool 9, T1 set basis hot pump in low temp system operation evaporating temperature and high temperature heat pump system operation condensation temperature are regulated, thereby control hot pump in low temp system operation condensation temperature and high temperature heat pump system operation evaporating temperature make good coupling between the two.
By the comprehensive utilization of middle-temperature section heat and high temperature section heat, make the unit comprehensive energy efficiency than high, good economy performance, stable.The utility model is mainly based on following factor:
1) for heat pump, heat supply temperature is lower, and the Energy Efficiency Ratio of system is higher, and the economy of system's operation is also better.In industrial production, the heat part that hot pump in low temp system produces in the double stage heat pump is as the heat absorption thermal source of high temperature heat pump system, warm water during another part can be produced, in temperature heating production technology required, high temperature heat pump system is produced high-temperature water, and is required for the high-temperature heating production technology.A heat heat absorption thermal source as high temperature heat pump system that produces than hot pump in low temp system like this, only high temperature heat pump system is produced high-temperature-hot-water for the required unit of whole production technology heating, and unit operation comprehensive energy efficiency ratio will be greatly improved.
2) concerning the double stage heat pump Hot water units, reasonably medium temperature has larger impact to Energy Efficiency Ratio and the heating capacity of unit, and because unit in the course of the work, environment temperature and with the variation of thermic load, the operating condition of heat pump is changed, must regulate the operating condition of hot pump in low temp system and high temperature heat pump system, both are coupled well, just can better meet the use needs.
Claims (3)
1. coupled outside type cascade high-temperature heat pump Hot water units is characterized in that comprising the first compressor (1), the second compressor (5), first throttle device (3), the second throttling arrangement (7), evaporimeter (4), condenser (6), coupling evaporation condenser (2), the first water pump (8), the 3rd water pump (14), the first stop valve (10), the second stop valve (11), middle heated pool (9) and high temperature pond (13); Wherein said coupling evaporation condenser (2) comprises middle chamber (21), left cavity (22), right cavity (23), central dividing plate (24), left side dividing plate (28), the first heat exchanger tube (25) more than one and the second heat exchanger tube (27) more than, described left cavity (22) is located at the left end of middle chamber (21), and described right cavity (23) is located at the right-hand member of middle chamber (21); Described central dividing plate (24) is located in the middle chamber (21) and middle chamber (21) is separated into the first intermediate cavity (215) and the second intermediate cavity (216), be provided with refrigerant entrance (212) in the top of described the first intermediate cavity (215), be provided with refrigerant exit (213) in the below of the first intermediate cavity (215), be provided with refrigerant entrance (214) in the below of described the second intermediate cavity (216), be provided with refrigerant exit (211) in the top of the second intermediate cavity (216); Described left side dividing plate (28) is located in the left cavity (22) and left cavity (22) is separated into the first left chamber (221) and the second left chamber (224), be provided with water inlet (222) in described the first left chamber (221), be provided with delivery port (223) in described the second left chamber (224); Described the first heat exchanger tube (25) is arranged in the first intermediate cavity (215) and an end and is communicated with the other end with the first left chamber (221) and is communicated with right cavity (23), and described the second heat exchanger tube (27) is arranged in the second intermediate cavity (216) and an end and is communicated with the other end with the second left chamber (224) and is communicated with right cavity (23); The gas outlet of described the first compressor (1) is communicated with the refrigerant entrance (212) of the first intermediate cavity (215) top, the air intake of the first compressor (1) is communicated with the outlet side of evaporimeter (4), the air intake of described evaporimeter (4) is communicated with the gas outlet of first throttle device (3), and the air intake of described first throttle device (3) is communicated with the refrigerant exit (213) of the first intermediate cavity (215) below; The delivery port of described middle heated pool (9) is communicated with water inlet (222) by the first water pump (8), and the water inlet of middle heated pool (9) is communicated with delivery port (223); The air intake of described the second compressor (5) is communicated with the refrigerant exit (211) of the second intermediate cavity (216) top, the gas outlet of the second compressor (5) is communicated with the air intake of condenser (5), the gas outlet of described condenser (5) is communicated with the air intake of the second throttling arrangement (7), and the gas outlet of described the second throttling arrangement (7) is communicated with the refrigerant entrance (214) of the second intermediate cavity (216) below; The delivery port in described high temperature pond (13) is communicated with the water inlet of condenser (5) by the 3rd water pump (14), and the water inlet of high temperature pond (13) is communicated with the delivery port of condenser (5); Between high temperature pond (13) and middle heated pool (9), be provided with the first tube connector (15) and the second tube connector (16) that is communicated with them, described the first stop valve (10) is located on the second tube connector (16), and described the second stop valve (11) is located on the first tube connector (15).
2. coupled outside type cascade high-temperature heat pump Hot water units according to claim 1 is characterized in that being provided with the second water pump (12) at described the second tube connector (16).
3. coupled outside type cascade high-temperature heat pump Hot water units according to claim 1 is characterized in that described the first heat exchanger tube (25) and the second heat exchanger tube (27) can be metal straight pipe or metallic coil or metal coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262260 CN202692525U (en) | 2012-06-06 | 2012-06-06 | Hot water unit with exterior coupled type cascade high temperature heat pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262260 CN202692525U (en) | 2012-06-06 | 2012-06-06 | Hot water unit with exterior coupled type cascade high temperature heat pumps |
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| Publication Number | Publication Date |
|---|---|
| CN202692525U true CN202692525U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220262260 Expired - Fee Related CN202692525U (en) | 2012-06-06 | 2012-06-06 | Hot water unit with exterior coupled type cascade high temperature heat pumps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148584A (en) * | 2013-01-15 | 2013-06-12 | 顺德职业技术学院 | Hot-water unit for twin-stage compressing heat pump |
| CN105546820A (en) * | 2016-01-29 | 2016-05-04 | 广东芬尼克兹节能设备有限公司 | Multifunctional heat pump system and control method thereof |
| CN113959191A (en) * | 2021-10-15 | 2022-01-21 | 青岛海尔空调电子有限公司 | Method and device for heating, electronic equipment and storage medium |
-
2012
- 2012-06-06 CN CN 201220262260 patent/CN202692525U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148584A (en) * | 2013-01-15 | 2013-06-12 | 顺德职业技术学院 | Hot-water unit for twin-stage compressing heat pump |
| CN103148584B (en) * | 2013-01-15 | 2016-01-13 | 顺德职业技术学院 | Two-stage compression heat pump Hot water units |
| CN105546820A (en) * | 2016-01-29 | 2016-05-04 | 广东芬尼克兹节能设备有限公司 | Multifunctional heat pump system and control method thereof |
| CN113959191A (en) * | 2021-10-15 | 2022-01-21 | 青岛海尔空调电子有限公司 | Method and device for heating, electronic equipment and storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160419 Address after: 528300 Guangdong province Foshan city Shunde District Daliang Street Chang Road No. 11 Patentee after: GUANGDONG HUATIANCHENG NEW ENERGY TECHNOLOGY CO., LTD. Address before: 528300 Guangdong Province, Foshan city Shunde District Daliang Desheng Road Patentee before: Shunde Vocational-Technical College |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20170606 |