CN210832164U - Device for supplying and returning water temperature difference of overlapping lifting unit - Google Patents
Device for supplying and returning water temperature difference of overlapping lifting unit Download PDFInfo
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- CN210832164U CN210832164U CN201921686652.XU CN201921686652U CN210832164U CN 210832164 U CN210832164 U CN 210832164U CN 201921686652 U CN201921686652 U CN 201921686652U CN 210832164 U CN210832164 U CN 210832164U
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Abstract
The utility model discloses a device that overlapping hoisting unit supplied the return water difference in temperature relates to air source heat pump set heating field. The utility model discloses a plurality of air source heat pump set, its characterized in that: two liang of air source heat pump set establish ties and constitute an air source heat pump set heating module group, and air source heat pump set heating module group both ends communicate respectively has inlet tube and outlet pipe, advance water piping connection user wet return, go out water piping connection user delivery pipe. The utility model discloses an air source heat pump unit heating module group is constituteed in series to two air source heat pump units, and it is parallelly connected to implement again to a plurality of modules in the back, does not change the unit configuration to realize the heat supply of high leaving water temperature.
Description
Technical Field
The utility model belongs to air source heat pump set heating field relates to a device that overlapping hoisting unit supplied the return water difference in temperature.
Background
In order to adapt to the current domestic big trend of changing coal into electricity, saving energy and reducing emission, the air source heat pump heating is spread in a large area, and more coal-fired heating and small boiler heating are replaced by the air source heat pump unit heating. Due to the special operation principle of the air source heat pump unit, only the temperature difference of 5 ℃ to 7 ℃ can be generated, and the temperature difference requirement of 10 ℃ to 15 ℃ during heat supply of the original boiler cannot be met. The operation mode of small boiler heat supply is small flow and large temperature difference, while the operation mode of air source heat pump unit is large flow and small temperature difference. Therefore, the pure air source heat pump unit needs to realize perfect replacement of small boiler heating, and the temperature difference of inlet and outlet water of the air source heat pump unit needs to be increased. Therefore, a combination mode is designed, the temperature difference of supply water and return water of the air source heat pump unit is increased to enable the temperature difference to meet or reach the heating requirement, the living comfort of residents is improved, and the current heat supply requirement is met.
Disclosure of Invention
The utility model discloses a remedy prior art not enough, provide a device that overlapping hoisting unit supplied the return water difference in temperature. The problem of the difference in temperature that produces when solving current air source heat pump set heating is little, can not satisfy the demand of heating.
The utility model discloses a realize through following technical scheme: every two air source heat pump units are connected in series to form an air source heat pump unit heating module group, after the water temperature of the first unit of the two units is increased by 5-7 ℃, the water outlet temperature of the first unit is heated again by the second unit and is increased by 5-7 ℃, and the water temperature of the module is increased to 10-14 ℃ by the two units in an accumulated manner; the effluent is connected with other combined units which are connected in series in parallel, so that the water temperature of the whole unit system is integrally increased by 10-14 ℃.
The utility model provides a device that cascade elevator group supplied the return water difference in temperature, its structure includes a plurality of air source heat pump set, its characterized in that: two liang of air source heat pump set establish ties and constitute an air source heat pump set heating module group, and air source heat pump set heating module group both ends communicate respectively has inlet tube and outlet pipe, advance water piping connection user wet return (3), go out water piping connection user delivery pipe (4).
And the air source heat pump unit heating module groups are connected in parallel.
A thermometer (6), a pressure gauge (7), a valve (8) and a filter (9) are arranged on a water inlet pipe of the air source heat pump unit heating module group (2); the temperature meter and the pressure gauge are respectively used for measuring the temperature and the pressure before water flow enters the air source heat pump unit heating module group; the valve is used for controlling the opening and closing of the pipeline; the filter is used for filtering the impurity of rivers, avoids impurity entering air source heat pump set, causes the damage to the unit.
An exhaust valve (5) is installed on one side of a water inlet pipe of the air source heat pump unit heating module group (2), and the exhaust valve is used for exhausting gas in a pipeline.
The rubber soft joint (10) is connected to the water delivery pipe of the two air source heat pump units connected in series, mainly comprises a metal flange and a rubber soft sleeve, and is installed on the water delivery pipe to play a role in resisting vibration and reducing noise.
One side of a water outlet pipe of the air source heat pump unit heating module group (2) is connected with a valve (8), a pressure gauge (7) and a thermometer (6), and the pressure gauge and the thermometer are respectively used for measuring the pressure and the temperature of water flow heated by the air source heat pump unit.
All install manometer (7), thermometer (6) and valve (8) on user wet return (3) and user delivery pipe (4), temperature and pressure when thermometer and manometer are used for measuring rivers respectively to flow from the user and get into the user heating after the heating when temperature and pressure, the real-time temperature of more accurate measurement rivers.
And the heating module groups of each air source heat pump unit have the same structure.
The utility model has the advantages that:
1. two sets of units are connected in series to form a small module, and then a plurality of small modules are connected in parallel, so that the configuration of the units is not changed, and the heat supply with high water outlet temperature is realized.
2. The combined design of series connection and series module is adopted, so that the unit control can be conveniently realized.
3. The combined design can meet the design of small flow and large temperature difference of the original boiler heating and the original heating design of excellent fitting.
4. Convenient installation, reliable fixation and suitable popularization and application.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the present invention.
In the figure, 1 air source heat pump unit, 2 air source heat pump unit heating module group, 3 user wet return, 4 user's delivery pipes, 5 discharge valve, 6 thermometers, 7 manometer, 8 valves, 9 filters, 10 flexible couplings.
The dotted line in the figure indicates the flow direction of the water in the water inlet pipe, and the solid line in the figure indicates the flow direction of the water in the water outlet pipe.
Detailed Description
The attached drawing is the utility model discloses a specific embodiment of a device of overlapping lifting unit confession return water difference in temperature. This embodiment includes a plurality of air source heat pump unit, its characterized in that: two air source heat pump units are connected in series to form an air source heat pump unit heating module group, two ends of the air source heat pump unit heating module group are respectively communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with a user water return pipe 3, and low-temperature water to be heated flows into the water inlet pipe of the air source heat pump unit from the user water return pipe 3; the water outlet pipe is connected with a user water supply pipe 4, and the heated water flows into the user water supply pipe 4 through the water outlet pipe of the air source heat pump unit to heat a user.
The air source heat pump unit heating module groups are connected in parallel; a thermometer 6, a pressure gauge 7, a valve 8 and a filter 9 are arranged on a water inlet pipe of the air source heat pump unit heating module group 2; the thermometer 6 and the pressure gauge 7 are respectively used for measuring the temperature and the pressure before water flow enters the air source heat pump unit heating module group 2; the valve 8 is used for controlling the opening and closing of the pipeline; the filter 9 is used for filtering impurities in water flow, and prevents the impurities from entering the air source heat pump unit 1 to damage the unit or block a pipeline. Exhaust valve 5 is installed to air source heat pump unit heating module group 3's inlet tube one side, exhaust valve 5 is used for getting rid of the gas in the pipeline, has gas to cause rivers to be interrupted when not in time getting rid of in the pipeline, can't heat rivers even. The water pipe of the two air source heat pump units connected in series is connected with a rubber soft joint 10, the rubber soft joint mainly comprises a metal flange and a rubber soft sleeve, and the rubber soft joint is arranged on the water pipe to play a role in resisting vibration and reducing noise. One side of a water outlet pipe of the air source heat pump unit heating module group 2 is connected with a valve 8, a pressure gauge 7 and a temperature gauge 6, wherein the pressure gauge 7 and the temperature gauge 6 are respectively used for measuring the pressure and the temperature of water flow heated by the air source heat pump unit. All install manometer 7, thermometer 6 and valve 8 on user wet return 3 and the user delivery pipe 4, temperature and pressure when thermometer 6 and manometer 7 are used for measuring rivers respectively to flow from the user and get into the user heating after the heating, the real-time temperature of more accurate measurement rivers. The structure of each air source heat pump unit heating module group 2 is the same, and zero or a plurality of air source heat pump unit heating module groups 2 are connected in parallel and form an air source heat pump unit heating system together with a water pipeline.
The working principle is as follows: the low-temperature water flowing from the user water return pipe 3 flows into the water inlet pipe of the air source heat pump unit heating module group 2, the temperature of the low-temperature water flowing from the user water return pipe 3 is generally 38 ℃ through temperature meter measurement, the temperature of the water flow is increased to 44 ℃ after the low-temperature water is heated by the first air source heat pump unit 1, the water flow flows out of the first air source heat pump unit 1 and enters the second air source heat pump unit 1, the water temperature is further increased after the second air source heat pump unit 1 is in heating operation, and the measured water temperature is 50 ℃ when the water flow flows into the user water supply pipe 4 through the water outlet pipe of the air source heat pump unit heating module group 2. And calculating the heating quantity demand according to the total heat supply area, and connecting other air source heat pump units which are connected in series in parallel according to the connection mode that the first air source heat pump unit 1 and the second air source heat pump unit 1 are connected in series, and so on. By the design, the units can form the air source heat pump unit heating module group 2 in series to improve the heat supply temperature of the overall heat supply station and improve the heat supply quality.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (7)
1. The utility model provides a device that cascade elevator group supplies return water difference in temperature, includes a plurality of air source heat pump set, its characterized in that: two air source heat pump units (1) are connected in series to form an air source heat pump unit heating module group (2), two ends of the air source heat pump unit heating module group (2) are respectively communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with a user water return pipe (3), and the water outlet pipe is connected with a user water supply pipe (4); the air source heat pump unit heating module groups (2) are connected in parallel.
2. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: a thermometer (6), a pressure gauge (7), a valve (8) and a filter (9) are arranged on a water inlet pipe of the air source heat pump unit heating module group (2).
3. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: an exhaust valve (12) is installed on one side of a water inlet pipe of the air source heat pump unit heating module group (2).
4. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: the water delivery pipes of the two air source heat pump units connected in series are connected with a rubber soft joint (10).
5. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: one side of a water outlet pipe of the air source heat pump unit heating module group (2) is connected with a valve (8), a pressure gauge (7) and a thermometer (6).
6. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: and a pressure gauge (7), a thermometer (6) and a valve (8) are arranged on the user water return pipe (3) and the user water supply pipe (4).
7. The device for supplying and returning water temperature difference of the overlapping lifting unit according to claim 1, characterized in that: and the heating module groups of each air source heat pump unit have the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686652.XU CN210832164U (en) | 2019-10-10 | 2019-10-10 | Device for supplying and returning water temperature difference of overlapping lifting unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921686652.XU CN210832164U (en) | 2019-10-10 | 2019-10-10 | Device for supplying and returning water temperature difference of overlapping lifting unit |
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| CN210832164U true CN210832164U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048535A (en) * | 2021-03-29 | 2021-06-29 | 大连中机国能热源技术研发有限公司 | Energy-saving operation control system and method for air source heat pump |
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2019
- 2019-10-10 CN CN201921686652.XU patent/CN210832164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048535A (en) * | 2021-03-29 | 2021-06-29 | 大连中机国能热源技术研发有限公司 | Energy-saving operation control system and method for air source heat pump |
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