CN203395967U - Heating station energy-saving device with dual-adjustment function - Google Patents

Heating station energy-saving device with dual-adjustment function Download PDF

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Publication number
CN203395967U
CN203395967U CN201320077670.4U CN201320077670U CN203395967U CN 203395967 U CN203395967 U CN 203395967U CN 201320077670 U CN201320077670 U CN 201320077670U CN 203395967 U CN203395967 U CN 203395967U
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China
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water
temperature sensor
pressure sensor
heat exchanger
dual
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CN201320077670.4U
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Chinese (zh)
Inventor
薛志峰
张永宁
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BEIJING VALEEN LEADING GREEN-BUILDING TECH Co Ltd
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BEIJING VALEEN LEADING GREEN-BUILDING TECH Co Ltd
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Abstract

The utility model discloses a heating station energy-saving device with a dual-adjustment function, which belongs to the field of energy saving for central heating. The heating station energy-saving device with the dual-adjustment function is characterized by comprising a dual-adjustment control host (1), an outdoor temperature sensor (2), a heat exchanger (3), a secondary water supply temperature sensor (6), a secondary water return temperature sensor (7), a secondary bypass tube (4), a unidirectional electric adjustment valve (5), a secondary water mixing temperature sensor (8), a secondary water mixing pressure sensor (10), a secondary water return pressure sensor (11) and a water pump frequency converter (9); the openness of the electric adjustment valve on the secondary bypass tube is adjusted according to the parameters monitored by the outdoor temperature sensor, a part of secondary lateral return water enters in the heat exchanger to exchange heat, and the other part passes through a bypass tube, and achieves an expected water supply temperature after water mixing; and an instruction is sent to the water pump frequency converter according to the parameters monitored by the secondary water mixing pressure sensor and the secondary water return pressure sensor to adjust the running frequency of a water pump, so as to change a secondary water supply flow. The device realizes climate compensation control and on-demand heat supply, and decreases the running electricity consumption of the water pump.

Description

The thermal substation energy saver of a kind of pair of regulatory function
Technical field
The utility model belongs to the technical field of central heating heating energy-saving, relates in particular to a kind of thermal substation energy saver with weather compensation and the two regulatory functions of frequency conversion.
Background technology
Heating system thermal source (comprises that boiler and heat exchange station are all according to the meteorologic parameter design and establishing of extreme severe cold, in the situation that there is no regulating measure, in the situation that outdoor temperature rises or solar radiation condition is good, just there is superheating phenomenon in terminal use, has caused the waste of heat.Weather compensation is to realize a kind of energy saver of heating according to need, according to the variation of outside air temperature, regulates supply water temperature, reduces user's heating load, reduces end superheating phenomenon, realizes energy-saving and cost-reducing.
The weather compensation device of applying in engineering at present, majority is arranged at thermal source primary side, directly controls the supply water temperature of boiler, or regulates the flow of the primary side of thermal substation, changes thermal substation secondary water-supply temperature.Yet in practical engineering project, especially large municipal heat supply network project, cannot realize the Flow-rate adjustment of thermal substation primary side and control, in order to realize the object of weather compensation, must regulate the weather compensation cabinet of controlling by a kind of secondary side of research and development.
In weather compensation process, along with the minimizing of terminal use's heating caloric, the reduction of water supply and backwater temperature difference and pressure reduction, the running frequency conversion of adjustable water circulating pump, reduces electrical power consumption of water pump.
Utility model content
The utility model is for the thermal substation energy saver of a kind of pair of regulatory function of heating system research and development.The utility model does not need thermal substation primary side to do any change, at secondary side, adds bypass line, changes the actual heat exchange flow of secondary side, reaches the object of secondary water-supply thermal climate compensation.
A thermal substation energy saver for regulatory function, is characterized in that: comprise two main control system 1, outdoor temperature sensor 2, heat exchanger 3 secondary water-supply temperature sensors 6, secondary returning water temperature sensor 7, secondary bypass pipe 4, unidirectional electric control valve 5, secondary water-mixing temperature sensor 8, secondary mixed water pressure sensor 10, secondary returning water pressure sensor 11 and pump variable frequency devices 9 of regulating;
In secondary returning water lines, be provided with secondary returning water temperature sensor 7, pump variable frequency device 9, secondary returning water pressure sensor 11; One end that secondary returning water lines divides two-way ,Yi road to be connected to heat exchanger 3, the unidirectional electric control valve 5 of separately leading up to is connected to one end of secondary bypass pipe 4, between the other end of heat exchanger 3 and secondary bypass pipe 4, is provided with secondary water-supply temperature sensor 6; The other end of the other end of heat exchanger 3 and secondary bypass pipe 4 is connected, and to be merged into a road be the mixed water lines of secondary, and secondary water-mixing temperature sensor 8 and the mixed water pressure sensor 10 of secondary are set in the mixed water lines of secondary.
Further, heat exchanger 3 primary sides are municipal heating power or district boiler room.
Two adjusting main control systems have comprised weather compensation and two modules of VFC, the outdoor temperature matched curve corresponding with secondary water-mixing temperature that weather compensation module is built-in, VFC module integration for the matched curve of backwater pressure reduction and frequency.
According to the parameter of outdoor temperature sensor monitoring, weather compensation module calculates the secondary water-supply temperature of expectation, regulates the aperture of motorized adjustment on secondary bypass pipe, makes a secondary side backwater part enter heat exchanger heat exchange, a part, by bypass pipe, reaches the supply water temperature of expection after overmulling water.The caliber of bypass pipe need to calculate according to the resistance of practical engineering project.
According to the monitoring parameter of the mixed water pressure sensor of secondary and secondary pressure sensor, frequency-variable module calculates the pressure reduction of expectation and controls target, and feed pump frequency converter sends instructions, and regulates pump operation frequency, changes secondary water-supply flow.
Thermal substation primary side can be municipal heating power, district boiler room or other heat source ways.In the process of secondary side weather compensation, along with the variation of thermal power station secondary side heat exchange amount, the heat that primary side discharges is respective change also, and the supply and return water temperature of primary side hot water and flow parameter can respective change.Primary side is in passive variable condition.
The utility model is integrated by weather compensation and pump variable frequency, and compact conformation is multiple functional, has reduced the difficulty of construction.
The beneficial effects of the utility model (1) have realized weather compensation control, and heating according to need, has realized saving of heat; (2) realize pump variable frequency control, reduced water pump operation power consumption; (3) adopt the mode of thermal power station secondary side bypass to change heating load, reduce the transformation to a secondary net, it is convenient to implement; (4) monitor the multiple operational factors such as thermal substation temperature, pressure, automatically record thermal substation ruuning situation, reduced operations staff's workload.
Accompanying drawing explanation
Fig. 1 is the thermal substation energy saver schematic diagram of this pair of regulatory function.
In figure: 1 pair regulates main control system; 2. outdoor temperature sensor; 3. heat exchanger; 4. secondary bypass pipe; 5. unidirectional electric control valve; 6. secondary water-supply temperature sensor; 7. secondary returning water temperature sensor; 8. two water-mixing temperature sensors; 9. pump variable frequency device; 10. two mixed water pressure sensors; 11. secondary returning water pressure sensors.
The specific embodiment
Two adjusting main control systems 1 comprise weather compensation module 1-1 and pump variable frequency module 1-2.Two adjusting main control systems 1 gather the monitoring parameter of outdoor temperature temperature sensor 2, secondary water-supply temperature sensor 6, secondary returning water temperature sensor 7, secondary water-mixing temperature sensor 8, the mixed water pressure sensor 10 of secondary and secondary returning water pressure sensor 11.
Two adjusting main frame weather compensation module 1-1, according to the heat supply temperature calculating, regulate the aperture of the unidirectional electric control valve 5 on secondary bypass pipe 4 pipelines, reduce or increase by the flow of heat exchanger 3, control secondary water-mixing temperature 8, realize weather compensation.
Two adjusting main frame pump variable frequency module 1-2, according to the pressure reduction calculating, regulate the operating frequency of water pump 9, realize the variation of flow.

Claims (2)

1. a thermal substation energy saver for two regulatory functions, is characterized in that: comprise two main control system (1), outdoor temperature sensor (2), heat exchanger (3) secondary water-supply temperature sensor (6), secondary returning water temperature sensor (7), secondary bypass pipe (4), unidirectional electric control valve (5), secondary water-mixing temperature sensor (8), secondary mixed water pressure sensor (10), secondary returning water pressure sensor (11) and pump variable frequency devices (9) of regulating;
In secondary returning water lines, be provided with secondary returning water temperature sensor (7), pump variable frequency device (9), secondary returning water pressure sensor (11); Secondary returning water lines is divided two-way, one road is connected to one end of heat exchanger (3), the unidirectional electric control valve (5) of separately leading up to is connected to one end of secondary bypass pipe (4), between the other end of heat exchanger (3) and secondary bypass pipe (4), is provided with secondary water-supply temperature sensor (6); The other end of the other end of heat exchanger (3) and secondary bypass pipe (4) is connected, and to be merged into a road be the mixed water lines of secondary, in the mixed water lines of secondary, secondary water-mixing temperature sensor (8) is set and secondary mixes water pressure sensor (10).
2. the thermal substation energy saver of a kind of pair of regulatory function according to claim 1, is characterized in that: heat exchanger (3) primary side is municipal heating power or district boiler room.
CN201320077670.4U 2013-02-19 2013-02-19 Heating station energy-saving device with dual-adjustment function Active CN203395967U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320077670.4U CN203395967U (en) 2013-02-19 2013-02-19 Heating station energy-saving device with dual-adjustment function

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Application Number Priority Date Filing Date Title
CN201320077670.4U CN203395967U (en) 2013-02-19 2013-02-19 Heating station energy-saving device with dual-adjustment function

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090440A (en) * 2013-02-19 2013-05-08 北京唯绿建筑节能科技有限公司 Thermal station energy saving device with double adjustment functions
CN103982932A (en) * 2014-05-22 2014-08-13 北京蓝天瑞德环保技术股份有限公司 Circulation heating system capable of regionally adjusting heating capacity
DE102017116079A1 (en) * 2017-07-18 2019-01-24 Eisenmann Se Supply circuit for a heat transfer medium for a consumer, industrial plant and method for operating such
CN109405054A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation
CN109405055A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A kind of heat supply and accumulation of heat decouple operating system with heat source
CN109405056A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A method of with heat source system heat supply and accumulation of heat decoupling operation
CN110686307A (en) * 2019-09-25 2020-01-14 石河子大学 Time-sharing heating system capable of avoiding gas collection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090440A (en) * 2013-02-19 2013-05-08 北京唯绿建筑节能科技有限公司 Thermal station energy saving device with double adjustment functions
CN103982932A (en) * 2014-05-22 2014-08-13 北京蓝天瑞德环保技术股份有限公司 Circulation heating system capable of regionally adjusting heating capacity
DE102017116079A1 (en) * 2017-07-18 2019-01-24 Eisenmann Se Supply circuit for a heat transfer medium for a consumer, industrial plant and method for operating such
CN109405054A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation
CN109405055A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A kind of heat supply and accumulation of heat decouple operating system with heat source
CN109405056A (en) * 2018-10-17 2019-03-01 河北建筑工程学院 A method of with heat source system heat supply and accumulation of heat decoupling operation
CN110686307A (en) * 2019-09-25 2020-01-14 石河子大学 Time-sharing heating system capable of avoiding gas collection

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