CN209782785U - distributed building hydraulic balance adjusting system - Google Patents
distributed building hydraulic balance adjusting system Download PDFInfo
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- CN209782785U CN209782785U CN201920646114.1U CN201920646114U CN209782785U CN 209782785 U CN209782785 U CN 209782785U CN 201920646114 U CN201920646114 U CN 201920646114U CN 209782785 U CN209782785 U CN 209782785U
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Abstract
The utility model discloses a distributed building hydraulic balance adjustment system relates to heat supply pipeline system, and aims to overcome the problems of hydraulic imbalance and large energy consumption caused by the existing heat supply mode, and comprises a controller, a secondary water supply pipeline, a secondary water return pipeline and a plurality of branch adjustment systems, wherein one branch adjustment system corresponds to one building, and each branch adjustment system comprises a circulating pump, a water mixing pipe, a heat meter and an electric adjusting valve; the circulating pump is positioned on a water supply pipeline in front of the building; one end of the water mixing pipe is communicated with a water supply pipeline in front of the building, one end of the water mixing pipe is positioned in front of an inlet of the circulating pump, and the other end of the water mixing pipe is communicated with a water return pipeline in front of the building; the electric regulating valve is arranged on the water mixing pipe; the heat meter is used for collecting the actual heat consumption of the building; the heat utilization signal output end of the heat meter is electrically connected with the heat utilization signal input end of the controller; and a first valve opening control signal output end of the controller is electrically connected with a first valve opening control signal input end of the electric regulating valve.
Description
Technical Field
The utility model relates to a heat supply pipe-line system, concretely relates to adjust balanced heat supply pipe-line system of heat supply water conservancy.
Background
In recent years, the building industry in China is rapidly developed, the building energy consumption is rapidly increased, 60% of the building energy consumption is heating energy consumption, heating in northern areas depends on coal resources, pollutants are discharged to the atmosphere when coal is combusted, the environment is seriously damaged, and energy waste caused by excessive energy consumption also influences the sustainable development of national economy. Therefore, reducing energy consumption and pollutant emissions have become important issues.
the hydraulic imbalance of the heating system is a main source of increasing the heating energy consumption. The existing heat supply mode adopts a centralized circulation heat supply mode of a circulating pump in a heat supply station, the power of the circulating pump is determined according to a building at the most unfavorable end of the circulation of a secondary network, and building valves in the heat supply station are gradually opened from near to far, so that the problems of hydraulic imbalance, uneven cold and heat, large energy consumption and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a distributing type building hydraulic balance governing system in order to overcome the problem that current heating methods arouse that water conservancy is disordered, the energy consumption is big.
the utility model discloses a distributed building hydraulic balance adjusting system, which comprises a controller, a secondary water supply pipeline and a secondary water return pipeline;
The heat supply device of each building is provided with a water supply pipeline in front of the building and a water return pipeline in front of the building; the second-stage water supply pipeline is communicated with the water inlet end of the water supply pipeline in front of the building, and the second-stage water return pipeline is communicated with the water outlet end of the water return pipeline in front of the building; the water outlet end of the water supply pipeline in front of the building is communicated with the water inlet end of the water return pipeline in front of the building through a heat supply device in the building;
the distributed building hydraulic balance adjusting system also comprises a plurality of branch adjusting systems, wherein one branch adjusting system corresponds to one building and comprises a circulating pump, a water mixing pipe, a heat meter and an electric adjusting valve;
The circulating pump is positioned on the water supply pipeline in front of the building, and the inlet and the outlet of the circulating pump are respectively positioned in the water inlet direction and the water outlet direction of the water supply pipeline in front of the building;
One end of the water mixing pipe is communicated with a water supply pipeline in front of the building, one end of the water mixing pipe is positioned in front of an inlet of the circulating pump, and the other end of the water mixing pipe is communicated with a water return pipeline in front of the building;
the electric regulating valve is arranged on the water mixing pipe and is used for regulating the water flow in the water mixing pipe;
a flow meter and a temperature sensor of a heat meter are arranged on a water supply pipeline in front of a building, the other temperature sensor of the heat meter is arranged on a water return pipeline in front of the building, and the heat meter is used for collecting the actual heat used by the building;
the heat utilization signal output end of the heat meter is electrically connected with the heat utilization signal input end of the controller; the first valve opening control signal output end of the controller is electrically connected with the first valve opening control signal input end of the electric regulating valve, and the controller regulates the opening of the electric regulating valve until the actual heat quantity of the building collected by the heat meter is equal to the building heat quantity calculated in the controller.
The utility model has the advantages that:
adopt the utility model discloses a distributed building hydraulic balance governing system, the utility model discloses increased circulating pump, mixed water pipe, calorimeter and electrical control valve, can realize building and building between hydraulic balance's automatically regulated through adjusting electrical control valve, solved the hydraulic imbalance and cold and hot uneven difficult problem, and the building user can realize the heat supply as required. Thus saving a large amount of energy. Compared with the traditional heat supply mode, the power consumption is saved by about 28 percent and the heat consumption is saved by about 11 percent through field actual measurement.
Drawings
FIG. 1 is a schematic structural diagram of a distributed building hydraulic balance adjustment system;
fig. 2 is a block schematic diagram of the electrical architecture portion of the distributed building hydraulic balance adjustment system.
Detailed Description
The first embodiment is as follows: the distributed building hydraulic balance adjustment system of the embodiment, as shown in fig. 1 and 2, includes a controller 1, a secondary water supply pipeline 2 and a secondary water return pipeline 3;
The heat supply device of each building 6 is provided with a water supply pipeline 4 in front of the building and a water return pipeline 5 in front of the building; the secondary water supply pipeline 2 is communicated with the water inlet end of the water supply pipeline 4 in front of the building, and the secondary water return pipeline 3 is communicated with the water outlet end of the water return pipeline 5 in front of the building; the water outlet end of the water supply pipeline 4 in front of the building is communicated with the water inlet end of the water return pipeline 5 in front of the building through a heat supply device in the building 6;
The distributed building hydraulic balance adjusting system also comprises a plurality of branch adjusting systems, wherein one branch adjusting system corresponds to one building 6 and comprises a circulating pump 7, a water mixing pipe 8, a heat meter 9 and an electric adjusting valve 10;
The circulating pump 7 is positioned on the water supply pipeline 4 in front of the building, and the inlet and the outlet of the circulating pump 7 are respectively positioned in the water inlet direction and the water outlet direction of the water supply pipeline 4 in front of the building;
One end of the water mixing pipe 8 is communicated with the water supply pipeline 4 in front of the building, one end of the water mixing pipe 8 is positioned in front of the inlet of the circulating pump 7, and the other end of the water mixing pipe 8 is communicated with the water return pipeline 5 in front of the building;
the electric regulating valve 10 is arranged on the water mixing pipe 8 and is used for regulating the water flow in the water mixing pipe 8;
a flowmeter and a temperature sensor of a heat meter 9 are arranged on a water supply pipeline 4 in front of a building, the other temperature sensor of the heat meter 9 is arranged on a water return pipeline 5 in front of the building, and the heat meter 9 is used for collecting the actual heat used by the building 4;
A heat using signal output end of the heat meter 9 is electrically connected with a heat using signal input end of the controller 1; the first valve opening control signal output end of the controller 1 is electrically connected with the first valve opening control signal input end of the electric regulating valve 10, and the controller 1 regulates the opening of the electric regulating valve 10 until the actual heat quantity used by the building 4 collected by the heat meter 9 is equal to the building heat quantity calculated in the controller 1.
specifically, install the circulating pump 7 of frequency conversion on water supply pipe 4 before the building, the power of circulating pump 7 is selected according to the second grade heating network resistance that the building was located the position, building self resistance and thermal load, but in this embodiment, circulating pump 7 is used for providing power for the water supply of building 6 that corresponds, and mix water pipe 8 and set up the leading position at the entry of circulating pump 7, consequently when electric control valve 10 on mix water pipe 8 is opened, circulating pump 7 also mixes for water supply and the return water in mixing water pipe 8 and provides certain power.
The flowmeter 19 is a flowmeter arranged in the heat meter 9, the temperature difference between water in the water supply pipeline 4 in front of the building and the water in the water return pipeline 5 in front of the building is calculated through two temperature sensors of the heat meter 9, the water flow of the water supply pipeline 4 in front of the building is collected through the flowmeter 19, and the heat meter 9 can calculate the heat consumption of the corresponding building 6 in real time or in a period of time.
in practical application, a table can be established according to weather and heat supply data collected in the past year, different building heat consumption of the building 6 is corresponded to different environmental conditions, local real-time wind direction, wind speed, radiant quantity, outdoor temperature and building heat indexes can be referred to according to the existing heat consumption calculation formula to calculate the building heat consumption, a water mixing pipe 8 and an electric regulating valve 10 are arranged on an inlet of a circulating pump 7 and a building front water return pipeline 5, the opening degree of the electric regulating valve 10 is adjusted according to the heat for the building obtained by calculation, so that water supply and water return are mixed in the water mixing pipe 8, the temperature difference between the water supply and the water return is changed, thereby changing the actual heat consumption of the building, the heat meter 9 arranged in front of the building is used for measuring the actual heat consumption of the building, the actual heat consumption of the current building 6 reaches or approaches the calculated building heat consumption through the closed-loop control of the heat meter 9 and the electric regulating valve 10.
in the process, the closed-loop control of the heat meter 9 and the electric regulating valve 10 adopts the existing closed-loop control mode, and the regulating system in the embodiment also realizes the heat supply of the buildings as required when the hydraulic balance among the buildings is automatically regulated, thereby saving the energy consumption.
the second embodiment is as follows: in this embodiment, as shown in fig. 1 and fig. 2, in this embodiment, both the secondary water supply pipeline 2 and the secondary water return pipeline 3 exchange heat with the primary heat supply network through the heat exchanger 11;
a primary regulating valve 12 is arranged on the primary heat supply network, and the primary regulating valve 12 is used for regulating the heat supply amount of the primary heat supply network;
the second valve opening control signal input end of the primary regulating valve 12 is electrically connected with the second valve opening control signal output end of the controller 1, and the controller 1 regulates the opening of the primary regulating valve 12 until the heat supply of the primary heat supply network is equal to the sum of the actual heat consumption of all the buildings 4.
Specifically, the heat meter 9 collects the actual heat consumption of the corresponding building 6, counts up through the controller 1 to obtain the sum of the actual heat consumption of all the buildings 6 under the second-level heat supply network, and adjusts the opening degree of the first-level adjusting valve 12 installed on the first-level heat supply network as a feedback signal, so as to adjust the heat supply amount conveyed by the corresponding first-level heat supply network to the second-level heat supply network (including the second-level water supply pipeline 2 and the second-level water return pipeline 3).
meanwhile, each electric element can be connected to the existing heat supply control system and control software of a heat supply unit for unified control.
the third concrete implementation mode: in the third embodiment, a further description is given to the first or second embodiment, as shown in fig. 1, in the third embodiment, the secondary water supply pipeline 2 is divided into an in-station secondary water supply pipeline and an out-station secondary water supply pipeline; the secondary water return pipeline 3 comprises an in-station secondary water return pipeline and an out-station secondary water return pipeline;
one end of the secondary water supply pipeline in the station is communicated with an inlet on the secondary heat supply network side of the heat exchanger 11, and the other end of the secondary water supply pipeline is communicated with the secondary water supply pipeline outside the station through a coupling tank 13;
one end of the secondary water return pipeline in the station is communicated with an inlet of a secondary heat supply network side of the heat exchanger 11, and the other end of the secondary water return pipeline in the station is communicated with the secondary water return pipeline outside the station through a coupling tank 13;
And the in-station secondary water supply pipeline, the in-station secondary water return pipeline and the coupling tank 13 are all positioned in the heat exchange station.
specifically, an in-station circulating pump 16 and a dirt separator 17 are arranged on the in-station secondary water return pipeline, and the lift of the in-station circulating pump 16 can only overcome the resistance of the heat exchanger 11, each valve, the dirt separator 17 and each pipeline in the heat supply station.
the in-station secondary water return pipeline and the in-station secondary water supply pipeline are provided with the coupling tank 13 which is connected with an out-station secondary heat supply network (comprising an out-station secondary water supply pipeline and an out-station secondary water return pipeline), and the coupling tank 13 is used for balancing water power.
The fourth concrete implementation mode: the fourth embodiment is a further description of the third embodiment, and as shown in fig. 1, the fourth embodiment further includes a water replenishing tank 14;
the water replenishing tank 14 is communicated with a secondary water return pipeline in the station through a water replenishing pipe 15.
Specifically, during the specific flowing process of the heating water, the heating water in the pipeline may be reduced due to pipeline leakage, water discharge of a user and the like, so that the water supplementing tank 14 is required to be added to supplement water into the pipeline according to needs, and the water supplementing pump 18 is arranged on the water supplementing pipe 15 and used for pumping the water in the water supplementing tank 14 to the secondary water return pipeline.
The fifth concrete implementation mode: a fifth embodiment is a further description of the first embodiment, in which the heating device is a fin-type heating device or a geothermal heating device.
specifically, the fin-type heating device is a heating device in which an existing heater or the like is hung on a wall in a fin shape.
Claims (5)
1. the distributed building hydraulic balance adjusting system comprises a controller (1), a secondary water supply pipeline (2) and a secondary water return pipeline (3);
The heat supply device of each building (6) is provided with a water supply pipeline (4) in front of the building and a water return pipeline (5) in front of the building; the secondary water supply pipeline (2) is communicated with the water inlet end of the water supply pipeline (4) in front of the building, and the secondary water return pipeline (3) is communicated with the water outlet end of the water return pipeline (5) in front of the building; the water outlet end of the water supply pipeline (4) in front of the building is communicated with the water inlet end of the water return pipeline (5) in front of the building through a heat supply device in the building (6);
The distributed building hydraulic balance adjusting system is characterized by further comprising a plurality of branch adjusting systems, wherein one branch adjusting system corresponds to one building (6), and each branch adjusting system comprises a circulating pump (7), a water mixing pipe (8), a heat meter (9) and an electric adjusting valve (10);
the circulating pump (7) is positioned on the building front water supply pipeline (4), and the inlet and the outlet of the circulating pump (7) are respectively positioned in the water inlet and outlet directions of the building front water supply pipeline (4);
One end of the water mixing pipe (8) is communicated with the water supply pipeline (4) in front of the building, one end of the water mixing pipe (8) is positioned in front of the inlet of the circulating pump (7), and the other end of the water mixing pipe (8) is communicated with the water return pipeline (5) in front of the building;
The electric regulating valve (10) is arranged on the water mixing pipe (8) and is used for regulating the water flow in the water mixing pipe (8);
A flowmeter and a temperature sensor of a heat meter (9) are arranged on a water supply pipeline (4) in front of a building, the other temperature sensor of the heat meter (9) is arranged on a water return pipeline (5) in front of the building, and the heat meter (9) is used for collecting the actual heat used by the building (4);
The heat utilization signal output end of the heat meter (9) is electrically connected with the heat utilization signal input end of the controller (1); a first valve opening control signal output end of the controller (1) is electrically connected with a first valve opening control signal input end of the electric regulating valve (10), and the controller (1) regulates the opening of the electric regulating valve (10) until the actual heat quantity of the building (6) collected by the heat meter (9) is equal to the building heat quantity calculated in the controller (1).
2. The distributed building hydraulic balance adjustment system of claim 1,
The secondary water supply pipeline (2) and the secondary water return pipeline (3) exchange heat with the primary heat supply network through a heat exchanger (11);
A primary regulating valve (12) is arranged on the primary heat supply network, and the primary regulating valve (12) is used for regulating the heat supply amount of the primary heat supply network;
the second valve opening control signal input end of the primary regulating valve (12) is electrically connected with the second valve opening control signal output end of the controller (1), and the controller (1) regulates the opening of the primary regulating valve (12) until the heat supply amount of the primary heat supply network is equal to the sum of the actual heat consumption amounts of all buildings (4).
3. the distributed building hydraulic balance adjustment system according to claim 1 or 2, wherein the secondary water supply line (2) is divided into an in-station secondary water supply line and an out-station secondary water supply line; the secondary water return pipeline (3) comprises an in-station secondary water return pipeline and an out-station secondary water return pipeline;
The water inlet end of the secondary water supply pipeline in the station is communicated with the water outlet of the secondary heat supply network side of the heat exchanger (11), and the water outlet end of the secondary water supply pipeline in the station is communicated with the water inlet end of the secondary water supply pipeline outside the station through a coupling tank (13);
the water outlet end of the secondary water return pipeline in the station is communicated with a water inlet at the secondary heat supply network side of the heat exchanger (11), and the water inlet end of the secondary water return pipeline in the station is communicated with the water outlet end of the secondary water return pipeline outside the station through a coupling tank (13);
And the in-station secondary water supply pipeline, the in-station secondary water return pipeline and the coupling tank (13) are all positioned in the heat exchange station.
4. a distributed building hydraulic balance adjustment system as claimed in claim 3, further comprising a make-up water tank (14);
the water replenishing tank (14) is communicated with a secondary water return pipeline in the station through a water replenishing pipe (15).
5. the distributed building hydraulic balance adjustment system according to claim 1, wherein the heat supply device is a hanging plate type heat supply device or a geothermal heat supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646114.1U CN209782785U (en) | 2019-05-07 | 2019-05-07 | distributed building hydraulic balance adjusting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920646114.1U CN209782785U (en) | 2019-05-07 | 2019-05-07 | distributed building hydraulic balance adjusting system |
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| CN209782785U true CN209782785U (en) | 2019-12-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578368A (en) * | 2020-04-23 | 2020-08-25 | 李明甲 | Heat supply pipe network hydraulic regulation and control system and intelligent control and heat supply charging method thereof |
| CN112728261A (en) * | 2020-12-29 | 2021-04-30 | 万江新能源集团有限公司 | Two net automatic balance adjusting valve of heating pipeline |
| CN114110712A (en) * | 2021-12-13 | 2022-03-01 | 北京展拓置业有限公司 | Chamber temperature control adjusting device and control system based on water mixing principle |
-
2019
- 2019-05-07 CN CN201920646114.1U patent/CN209782785U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578368A (en) * | 2020-04-23 | 2020-08-25 | 李明甲 | Heat supply pipe network hydraulic regulation and control system and intelligent control and heat supply charging method thereof |
| CN112728261A (en) * | 2020-12-29 | 2021-04-30 | 万江新能源集团有限公司 | Two net automatic balance adjusting valve of heating pipeline |
| CN114110712A (en) * | 2021-12-13 | 2022-03-01 | 北京展拓置业有限公司 | Chamber temperature control adjusting device and control system based on water mixing principle |
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