CN210320242U - High-low region supercharging heating unit - Google Patents
High-low region supercharging heating unit Download PDFInfo
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- CN210320242U CN210320242U CN201921181594.5U CN201921181594U CN210320242U CN 210320242 U CN210320242 U CN 210320242U CN 201921181594 U CN201921181594 U CN 201921181594U CN 210320242 U CN210320242 U CN 210320242U
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Abstract
The utility model relates to a heating equipment discloses a high low district pressure boost heating unit very much. It includes heating system, plate heat exchanger, secondary heating system, moisturizing device and main control system once, and primary heating system is the steam power plant internal circulation, and secondary heating system includes high district circulating system and low district circulation system, and the hot-water carries out high district heat supply and low district heat supply respectively behind the water knockout drum, then the ejector is got back to the backward flow water, and the rethread ejector jets out and comes back to the heat exchanger and forms the heat supply circulation. The utility model discloses utilize high district system return water pressure, convert high district static pressure potential energy into kinetic energy through the ejector, drive the low district return water and carry out the pressure boost circulation, that is to say that the high district return water draws the low district return water, the lift of low district heat supply circulating pump can reduce about 30% like this. The power of the motor is reduced, the power-saving effect is achieved under the action of static pressure potential energy, the low-region heat supply circulating pump can be used for standby, and the power saving can be between 10 and 25 percent.
Description
Technical Field
The utility model relates to a heating equipment, in particular to high low district pressure boost heating unit.
Background
At present, city construction is developed quickly, each city is erected in high buildings, and the high buildings with dozens of floors are common, so that the problem of high-rise heating is solved. At present, for the heating of the high-rise buildings, a set of heating system is generally adopted, a water supply pipe is directly communicated with the highest floor, then falls back from the highest layer, passes through branch pipe channels of each family, and then is gathered to the main water return pipe through the branch pipes, this results in that the potential energy of the flowing water in the high-rise building is blocked by the backflow water in the low-rise building, so that the potential energy of the high-rise building is converted into less kinetic energy, i.e. the kinetic energy is lost greatly, for example, if the return water of the high layer has the pressure of 5 kilograms and the return water of the low layer has the pressure of 3 kilograms, the return water of the high layer meets the return water of the low layer, the return water of the high layer pushes the return water of the low layer, and the return water of the low layer in turn forms a barrier to the return water of the high layer, therefore, the pressure of the high-rise backflow water is reduced to 3 kilograms, and a heat supply pump with high use power is needed, so that resources are wasted, and the requirement of environmental protection is not met. Meanwhile, the pressure of the radiator in the lower area is too high and exceeds the pressure application range specified by the state.
Disclosure of Invention
The utility model discloses a remedy prior art's defect, provide a little, the energy-conserving high low district pressure boost heating unit of energy loss.
The utility model discloses a realize through following technical scheme:
the utility model provides a high low district pressure boost heating unit, includes plate heat exchanger and main control system, characterized by: the plate heat exchanger is located primary heating system and secondary heating system simultaneously, secondary heating system includes the secondary heating pipeline with plate heat exchanger's high temperature exit linkage, secondary heating tube coupling water knockout drum, high district heating pipeline and low district heating pipeline are connected respectively to the export of water knockout drum, high district heating pipeline and low district heating pipeline connect respectively high district return water pipeline and low district return water pipeline after each family's fin again, high district return water pipeline and low district return water pipeline are connected to an ejector again jointly, the secondary side scrubbing ware is connected to the delivery port of ejector, secondary side scrubbing ware rethread secondary return water house steward is connected to plate heat exchanger's return water import.
And the high-region heating pipeline and the low-region heating pipeline are respectively provided with a heating circulating pump.
The main control system is a PLC control system.
The primary heat supply system comprises a primary heat supply pipeline and a primary water return pipeline which are connected to the plate heat exchanger, and a primary side dirt separator is arranged on the primary heat supply pipeline.
The primary side dirt separator and the secondary side dirt separator are both provided with bypass valves.
And the secondary water return main pipe is connected with a water supplementing device.
The water supplementing device comprises a water supplementing tank, the water supplementing tank is provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is connected with a secondary water return header pipe, and the water outlet pipe is provided with a flow meter and a water supplementing pump.
And a standby water replenishing pump is also arranged and is connected in parallel with the water replenishing pump.
The water inlet pipe is provided with an electromagnetic valve.
The water supplementing device is controlled by the water supplementing control device to operate.
The utility model has the advantages that:
the utility model discloses utilize high district system return water pressure, convert high district static pressure potential energy into kinetic energy through the ejector, drive the low district return water and carry out the pressure boost circulation, that is to say that the high district return water draws the low district return water, the lift of low district heat supply circulating pump can reduce about 30% like this. The power of the motor is reduced, the power-saving effect is achieved under the action of static pressure potential energy, the low-region heat supply circulating pump can be used for standby, and the power saving can be between 10 and 25 percent. The utility model discloses area is little, practices thrift the investment, reduces the power consumption, and application scope is wide, and the operation of being convenient for is maintained, the automated control management of being convenient for.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the connection structure of the present invention.
In the figure, 1 a primary heat supply system, 11 a primary heat supply pipeline, 12 a primary water return pipeline, 13 a primary side dirt separator, 14 a heat meter and 15 a bypass valve;
2, a secondary heat supply system, 20 secondary heat supply pipelines, 21 water separators, 22 high-area heat supply pipelines, 23 low-area heat supply pipelines, 24 heat supply circulating pumps, 25 secondary water return header pipes, 26 secondary side dirt removers, 27 ejectors, 28 high-area water return pipelines and 29 low-area water return pipelines;
3, a plate heat exchanger;
4 water replenishing devices, 41 water replenishing control devices, 42 water replenishing tanks, 43 water inlet pipes, 44 water outlet pipes, 45 electromagnetic valves, 46 flow meters, 47 water replenishing pumps, 48 standby water replenishing pumps and 49 pressure meters;
5 main control system, 6 heat sink.
Detailed Description
The attached drawings are specific embodiments of the invention. As shown in fig. 1, the high and low area supercharging heating unit comprises a primary heating system 1, a plate heat exchanger 3, a secondary heating system 2, a water replenishing device 4 and a main control system 5, wherein the main control system 5 generally adopts a PLC control system, and is mainly used for controlling the operation of the primary heating system 1 and the secondary heating system 2, the water replenishing device 4 is matched with the water replenishing control device 41, the operation is controlled by the water replenishing control device 414, and the water replenishing control device 41 belongs to a common control device, and is the prior art.
The plate heat exchanger 3 has four interfaces, it is the first hot water inlet, the first return water outlet, the second hot water outlet and the second return water inlet respectively, the first heating system 1 includes the first heat supply pipeline 11 and the first return water pipeline 12, the first heat supply pipeline 11 is connected to the first hot water inlet, mount the dirt separator 13 of the primary side and calorimeter 14 on the first heat supply pipeline 11, the hot water coming out from the thermal power plant enters the plate heat exchanger 3 through the first heat supply pipeline 11, become the low-temperature return water after the heat exchange and return to the thermal power plant through the first return water pipeline 12 again, heat again, form and circulate; the primary-side dirt separator 13 is also connected in parallel with a bypass valve 15 so that the primary-side dirt separator 13 is ready for use in the event of a failure.
The secondary heating system 2 includes: a secondary heat supply pipeline 21 is connected to a secondary hot water outlet of the plate heat exchanger 3, the secondary heat supply pipeline 21 is further connected with a water separator 21, the outlet of the water separator 21 is respectively connected with a high-region heating pipeline 22 and a low-region heating pipeline 23, and a heat supply circulating pump 24 is respectively arranged on the high-region heating pipeline 22 and the low-region heating pipeline 23; the secondary water return inlet of the plate heat exchanger 3 is connected with a secondary water return header pipe 25, the secondary water return header pipe 25 is connected with a secondary side dirt separator 26, the secondary side dirt separator 26 is also connected with a bypass valve 15 in parallel, then the secondary side dirt separator 26 is connected to the outlet of an ejector 27, two inlets of the ejector 27 are connected with a high area water return pipeline 28 and a low area water return pipeline 29 respectively, a high area heating pipeline 22 is connected to the high area water return pipeline 28 after passing through a radiating fin 6 of each household of the high area, and a low area heating pipeline 23 is connected to the low area water return pipeline 29 after passing through each household of the low area.
The water replenishing device 4 comprises a water replenishing tank 42, the water replenishing tank 42 is provided with a water inlet pipe 43 and a water outlet pipe 44, the water inlet pipe 43 is arranged on the upper portion, the water outlet pipe 44 is arranged on the lower portion, an electromagnetic valve 45 is arranged on the water inlet pipe 43 and is automatically switched on and off according to a water level set value in the water replenishing tank 42, therefore, a liquid level meter is further arranged in the water replenishing tank 42, a flow meter 46 and a water replenishing pump 47 are arranged on the water outlet pipe 44, the water replenishing pump 47 is connected with a standby water replenishing pump 48 in parallel, then the water outlet pipe 44 is connected with the secondary water return.
The hot water that the steam power plant provided gets into the heat transfer back in the plate heat exchanger 3 through once heat supply pipeline 11 after side dirt separator 13 scrubbing, filtration once more, becomes low temperature water, and low temperature water gets back to the steam power plant through a return water pipeline 12 again, continues the heating, forms a heat supply circulation.
The water in the other pipeline in the plate heat exchanger 3 is changed into high-temperature water after heat exchange, the high-temperature water enters the water separator 21 under the strong suction force of the two heat supply circulating pumps 24, then respectively enters the high-area heat supply pipeline and the low-area heat supply pipeline (the high area and the low area are distinguished according to actual field conditions when being installed), then enters the radiating fins 6 of each household, then is changed into low-temperature water, and enters the ejector 27 through the high-area water return pipeline 28 and the low-temperature water return pipeline, the high-pressure water in the high-area water return pipeline 28 ejects the low-pressure water in the low-area water return pipeline 29 to form high-pressure water, the high-pressure water is ejected from the ejector 27 and enters the secondary side dirt separator 26 for dirt removal and filtration, and then returns to the plate heat exchanger 3 through the secondary water return main.
The water supplementing control device 41 automatically controls according to the pressure of the low-temperature water in the secondary water return main pipe 25, so that a pressure gauge 49 is arranged on the secondary water return main pipe 25, when water is required to be supplemented, the water supplementing pump 47 is started to supplement water, if the water level in the water supplementing tank 42 is lower than a set value, the electromagnetic valve 45 is opened to supplement water into the water supplementing tank 42, and the phenomenon that water can be supplemented when no water exists is avoided.
Other technical features than those described in the specification are known to those skilled in the art.
Claims (10)
1. The utility model provides a high low district pressure boost heating unit, includes plate heat exchanger (3) and main control system (5), characterized by: plate heat exchanger (3) are located primary heating system (1) and secondary heating system (2) simultaneously, secondary heating system (2) include with plate heat exchanger (3) high temperature exit linkage's secondary heat supply pipeline (20), water knockout drum (21) is connected in secondary heat supply pipeline (20), high district heating pipeline (22) and low district heating pipeline (23) are connected respectively in the export of water knockout drum (21), high district heating pipeline (22) and low district heating pipeline (23) are connected respectively at the subdividing behind each family's fin high district return water pipeline (28) and low district return water pipeline (29), high district return water pipeline (28) and low district return water pipeline (29) are connected to on ejector (27) again jointly, secondary side dirt separator (26) is connected to secondary side dirt separator (26) rethread secondary heat exchanger house (25) and is connected to the return water import of plate heat exchanger (3) on .
2. The high-low area supercharging heating unit according to claim 1, wherein the high area heating pipeline (22) and the low area heating pipeline (23) are respectively provided with a heating circulation pump (24).
3. The high-low area pressurized heating unit set according to claim 1, wherein the main control system (5) is a PLC control system.
4. The high and low area supercharging heating unit according to claim 1, wherein the primary heating system (1) comprises a primary heating pipeline (11) connected to the plate heat exchanger (3) and a primary water return pipeline (12), and a primary side dirt separator (13) is provided on the primary heating pipeline (11).
5. The high-low area supercharging heating unit according to claim 4, wherein the primary-side dirt separator (13) and the secondary-side dirt separator (26) are provided with a bypass valve (15).
6. The high and low area supercharging heating unit according to claim 1, wherein the secondary water return main pipe (25) is connected with a water supplementing device (4).
7. The high and low area pressurized heating unit according to claim 6, wherein the water replenishing device (4) comprises a water replenishing tank (42), the water replenishing tank (42) is provided with a water inlet pipe (43) and a water outlet pipe (44), the water outlet pipe (44) is connected with a secondary water return main pipe (25), and the water outlet pipe (44) is provided with a flow meter (46) and a water replenishing pump (47).
8. The high and low area supercharging heating unit according to claim 7, wherein a spare water replenishing pump (47) is further provided, and the spare water replenishing pump (48) is connected in parallel with the water replenishing pump (47).
9. The high and low area pressurized heating unit according to claim 7, wherein the water inlet pipe (43) is provided with an electromagnetic valve (45).
10. The high and low area pressurized heating unit according to any one of claims 6 to 9, wherein the water supplementing device (4) is controlled by a water supplementing control device (41) to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181594.5U CN210320242U (en) | 2019-07-25 | 2019-07-25 | High-low region supercharging heating unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921181594.5U CN210320242U (en) | 2019-07-25 | 2019-07-25 | High-low region supercharging heating unit |
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| Publication Number | Publication Date |
|---|---|
| CN210320242U true CN210320242U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921181594.5U Active CN210320242U (en) | 2019-07-25 | 2019-07-25 | High-low region supercharging heating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576676A (en) * | 2022-03-24 | 2022-06-03 | 济宁市汇源建安有限公司 | Direct-connected heating system for driving low-region heating by spraying high-region backwater and reducing pressure |
-
2019
- 2019-07-25 CN CN201921181594.5U patent/CN210320242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576676A (en) * | 2022-03-24 | 2022-06-03 | 济宁市汇源建安有限公司 | Direct-connected heating system for driving low-region heating by spraying high-region backwater and reducing pressure |
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