CN212029679U - Direct supply pressure reducing heat supply unit - Google Patents
Direct supply pressure reducing heat supply unit Download PDFInfo
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- CN212029679U CN212029679U CN202020787302.9U CN202020787302U CN212029679U CN 212029679 U CN212029679 U CN 212029679U CN 202020787302 U CN202020787302 U CN 202020787302U CN 212029679 U CN212029679 U CN 212029679U
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Abstract
The direct-supply pressure-reducing heat supply unit comprises a first-level station, a user side water return port, a pressure-reducing device and a pressure-reducing device, wherein the first-level station is connected with a pressure pump through a water supply port, the user side water return port is connected with the pressure-reducing device through a pipeline, and the pressure-reducing device is connected with the first-level station through a water. The energy-saving effect of the equipment is better than that of the traditional unit; compared with the traditional unit, the heat exchanger does not pass through heat exchange equipment, and the heat loss is small; the resistance is small, only the pipeline resistance needs to be overcome, and the resistance in the unit does not need to be overcome; the occupied area of the equipment is small, and the equipment is more convenient to arrange; has the advantages of simple structure and low cost; the equipment installation is more convenient, the operating cost is reduced, the operation is simple and convenient, and the maintenance is convenient.
Description
Technical Field
The utility model relates to a heat supply unit technical field, in particular to direct supply decompression heat supply unit.
Background
The centralized heat supply is widely applied to heating of urban residents, different areas have different climate changes, different requirements on heat supply amount and more diversified requirements on heating. The existing heating equipment is single in form and generally adopts a plate type heat exchanger unit or a double-thread pipe heat exchanger unit. The plate type heat exchanger unit and the double-thread pipe heat exchanger unit are composed of a heat exchanger, a water pump, a matched valve, an instrument and a pipeline. The equipment investment is high, the structure is complex, the installation is inconvenient, the occupied area is large, and the machine set can not be in place when entering the equipment room. Needs to occupy other areas in the building due to the heat exchange link. The problems of low heat energy utilization rate, large heat energy loss and large unit resistance exist, the requirements of equipment on water quality, heat sources and internal parts of the unit are high, and the running and overhauling costs are high. Is not suitable for all heating systems and is difficult to meet the heating use requirements of users.
SUMMERY OF THE UTILITY MODEL
For overcoming the problems existing in the prior art, the utility model provides a direct supply decompression heat supply unit.
The utility model provides a technical scheme that its technical problem adopted is: this direct supply decompression heat supply unit, one-level station are connected and carry the user side with heating water through supply port and force (forcing) pump, and user side return water mouth passes through the pipeline to be connected with pressure relief device, and pressure relief device passes through the return water pipeline and is connected with one-level station.
Further, a first local display instrument for monitoring the water supply pressure is arranged between the primary station and the water supply port.
Furthermore, a second local display instrument for monitoring pressure is arranged on a pipeline between the pressure pump and the user side.
Furthermore, a third local display instrument for monitoring pressure is arranged on a pipeline between the user side and the pressure reducing device.
Furthermore, a fourth local display instrument for monitoring pressure is arranged on a water return pipeline between the pressure reducing device and the primary station.
Furthermore, the booster pump has two sets, and the parallel installation, every set booster pump is installed butterfly valve and check valve correspondingly.
Furthermore, a butterfly valve is arranged on a pipeline which is connected with the pressure reducing device in parallel, and butterfly valves are also arranged at two ends of the pressure reducing device.
Furthermore, the pressure reducing device is a pressure reducing valve, and the pressure at the water return opening of the user side is reduced by the pressure reducing valve until the pressure of the water supply opening is consistent.
To sum up, the utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. the energy-saving effect of the equipment is better than that of the traditional unit.
2. Compared with the traditional unit, the heat exchanger does not pass through heat exchange equipment, and the heat loss is smaller.
3. Compared with the traditional unit, the resistance is smaller, only the resistance of the pipeline needs to be overcome, and the resistance in the unit does not need to be overcome.
4. Compared with the traditional unit, the equipment occupies small area and is more convenient to arrange.
5. Compared with the traditional unit, the air conditioning unit has the advantages of simple structure and low manufacturing cost.
6. Compared with the traditional unit, the equipment installation is more convenient.
7. Compared with the traditional unit, the operation cost is reduced, the operation is simple and convenient, and the maintenance is convenient.
Drawings
Fig. 1 is a schematic view of the connection relationship of the present invention.
FIG. 2 is an illustration of a valve of a direct-supply pressure-reducing heating unit.
In the figure:
1 primary station, 2 water supply ports, 3 booster pumps, 4 user sides, 5 user side return water ports, 6 pressure reducing devices, 7 fourth on-site display instruments, 8 first on-site display instruments, 9 second on-site display instruments and 10 third on-site display instruments.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, and the illustrated embodiments are only for explaining the present invention, and do not limit the scope of the present invention.
As shown in fig. 1, the utility model discloses a direct supply decompression heat supply unit, including one-level station 1, the supply port 2 of one-level station passes through water supply pipe and is connected with force (forcing) pump 3, and force (forcing) pump 3 passes through the pipe connection with user 4.
The heating hot water passes through the water supply 2 of the primary station 1, is pressurized by the pressurizing pump 3 and then is sent to the user terminal 4 for heat exchange.
The user side water return port 5 is connected with the pressure reducing device 6 through a pipeline, and the pressure reducing device 6 can adopt a pressure reducing valve. The pressure reducing device is connected with the primary station 1 through a water return pipeline to form a complete cycle.
The pressure of the water return port of the heating water passing through the user terminal 4 is reduced through a pressure reducing valve by a water return port 5 of the user terminal until the pressure of the water supply port is consistent; and returning to the primary station to realize circulating heat exchange.
A first local display instrument 8 for monitoring the water supply pressure is arranged between the primary station and the water supply port; a second local display instrument 9 for monitoring pressure is arranged on a pipeline between the booster pump and the user side; a third local display instrument 10 for monitoring pressure is arranged on a pipeline between the user side and the pressure reducing device; a fourth local display instrument 7 for monitoring pressure is arranged on a water return pipeline between the pressure reducing device and the primary station. According to the pressure of each local pressure instrument detection each pipeline department to with detect data transmission to control display end, still can be through wireless transmission to mobile device, make things convenient for real time monitoring equipment running state, also the remote adjustment operating parameter, adjustment equipment operating condition.
Two sets of pressure pumps are arranged in parallel, and each set of pressure pump is correspondingly provided with a butterfly valve and a check valve to prevent the return flow of the heating water.
Be equipped with the butterfly valve on the pipeline that sets up with the parallelly connected of pressure relief device, the pressure relief device both ends also are equipped with the butterfly valve, can decide whether need the operation of pressure relief device according to the pressure condition, also convenient the maintenance.
The heating working process is as follows:
the heating hot water provided by the primary station 1 passes through a water supply port 2 at the factory end of the primary station, the heating hot water flows through a pressurizing pump 3, is pressurized and then enters the home of a user, and heating return water after heat dissipation at a user end 4 flows through a pressure reducing device 6 through a water return port 5 at the user end; by monitoring the pressure parameters of the third on-site display instrument 10 at the user side water return port 5 and the first on-site display instrument 8 at the plant end water supply port 2, the pressure of the user side water return port 5 is reduced to be consistent with the pressure of the first-level station plant end water supply port 2 through the pressure reducing device 6, so that the circulating heat exchange is realized.
The energy-saving effect of the equipment is better than that of the traditional unit; compared with the traditional unit, the heat exchanger does not pass through heat exchange equipment, and the heat loss is small; the resistance is small, only the pipeline resistance needs to be overcome, and the resistance in the unit does not need to be overcome; the occupied area of the equipment is small, and the equipment is more convenient to arrange; has the advantages of simple structure and low cost; the equipment installation is more convenient, the operating cost is reduced, the operation is simple and convenient, and the maintenance is convenient.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, which is defined by the appended claims.
Claims (8)
1. The direct-supply pressure-reducing heat supply unit is characterized in that a first-level station is connected with a pressure pump through a water supply port and conveys heating water to a user side, a water return port of the user side is connected with a pressure reducing device through a pipeline, and the pressure reducing device is connected with the first-level station through a water return pipeline.
2. A direct-fed reduced-pressure heating unit according to claim 1, wherein a first on-site display instrument for monitoring the pressure of the supplied water is provided between the primary station and the water supply inlet.
3. A direct-supply reduced-pressure heating unit according to claim 1, wherein a second local display instrument for monitoring pressure is provided on the pipeline between the pressure pump and the user terminal.
4. A direct-supply pressure-reducing heating unit according to claim 1, wherein a third local display instrument for monitoring pressure is provided on the pipeline between the user terminal and the pressure-reducing device.
5. A direct-supply pressure-reducing heating unit according to claim 1, wherein a fourth local display instrument for monitoring pressure is provided on a water return pipe between the pressure-reducing device and the primary station.
6. A direct-supply pressure-reducing heating unit according to claim 1, wherein two sets of pressure pumps are arranged in parallel, and each set of pressure pump is correspondingly provided with a butterfly valve and a check valve.
7. A direct-feed pressure-reducing heating unit as claimed in claim 1, wherein a butterfly valve is provided on a pipeline connected in parallel with the pressure-reducing device, and butterfly valves are provided on both ends of the pressure-reducing device.
8. The direct-supply pressure-reducing heating unit according to claim 1, wherein the pressure-reducing device is a pressure-reducing valve, and the pressure at the water return port of the user side is reduced by the pressure-reducing valve until the pressure at the water supply port is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787302.9U CN212029679U (en) | 2020-05-13 | 2020-05-13 | Direct supply pressure reducing heat supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787302.9U CN212029679U (en) | 2020-05-13 | 2020-05-13 | Direct supply pressure reducing heat supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212029679U true CN212029679U (en) | 2020-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020787302.9U Active CN212029679U (en) | 2020-05-13 | 2020-05-13 | Direct supply pressure reducing heat supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212029679U (en) |
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2020
- 2020-05-13 CN CN202020787302.9U patent/CN212029679U/en active Active
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