CN208794533U - A kind of auxiliary electrical power heat-supply system of luminous energy - Google Patents
A kind of auxiliary electrical power heat-supply system of luminous energy Download PDFInfo
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- CN208794533U CN208794533U CN201821268546.5U CN201821268546U CN208794533U CN 208794533 U CN208794533 U CN 208794533U CN 201821268546 U CN201821268546 U CN 201821268546U CN 208794533 U CN208794533 U CN 208794533U
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- water
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- return pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model relates to field of boilers, specifically a kind of auxiliary electric energy boiler system of luminous energy, including buffer, electrically heated boiler, optical heat collector and controller, buffer is connected by the first outlet pipeline and the first water return pipeline with the optical heat collector, first circulation is equipped on first outlet pipeline to pump, the first solenoid valve is equipped on first water return pipeline, buffer is connected by the second outlet pipeline and the second water return pipeline with the electrically heated boiler, second circulation pump and third circulating pump in parallel are equipped on second outlet pipeline, buffer is connected by third outlet pipeline and third water return pipeline with heat supply place pipeline, the 4th circulating pump and the 5th circulating pump in parallel are equipped on the third outlet pipeline, second solenoid valve is equipped on the third water return pipeline.The utility model can be realized the sunlight period and be not required to electric energy heating, and (night and negative snowy day gas) is aided with electrically heated energy-saving effect when without sunlight is irradiated.
Description
Technical field
The utility model relates to field of boilers, specifically a kind of auxiliary electrical power heat-supply system of luminous energy.
Background technique
As country is for the increasingly raising of boiler industry environmental requirement, occurred in recent years some based on electric heating
Boiler is used for the places heat supply such as residential building, but this boiler power consumption is larger, higher cost, especially in the peak of power consumption period
Or there are significant limitations for some insufficient regional uses of electric power resource, and with development in science and technology, solar energy is as a kind of
Cleaning and the inexhaustible energy, are gradually used widely in every field, form various accumulation of heat heating devices, such as light
Energy training tool be used for field of boilers if can combine luminous energy and electric energy, will undoubtedly realize complementation, improve boiler heat supplying effect
Rate can also reduce heat cost simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of auxiliary electric energy boiler systems of luminous energy, cooperate electricity to add using luminous energy energy collector
Heat boiler, which is realized, heats the water in buffer, can be realized the sunlight period and has been not required to electric energy heating, (night when without sunlight is irradiated
With negative snowy day gas) it is aided with electrically heated energy-saving effect, heat cost can also be reduced simultaneously by improving heating efficiency.
The purpose of this utility model is achieved through the following technical solutions:
A kind of auxiliary electric energy boiler system of luminous energy, including buffer, electrically heated boiler, optical heat collector and controller, it is described
Buffer is connected by the first outlet pipeline and the first water return pipeline with the optical heat collector, on first outlet pipeline
It is pumped equipped with first circulation, the first solenoid valve, and the optical heat collector, the first solenoid valve is equipped on first water return pipeline
It is controlled by the controller with first circulation pump, the buffer passes through the second outlet pipeline and the second water return pipeline and institute
It states electrically heated boiler to be connected, second circulation pump and third circulating pump in parallel is equipped on second outlet pipeline, and described
Second circulation pump and third circulating pump are controlled by the control system on electrically heated boiler, and the buffer passes through third outlet pipe
Road and third water return pipeline are connected with heat supply place pipeline, be equipped on the third outlet pipeline in parallel the 4th circulating pump and
5th circulating pump is equipped with second solenoid valve, and the 4th circulating pump, the 5th circulating pump and the on the third water return pipeline
Two solenoid valves pass through the controller and control.
On first outlet pipeline, it is equipped with first check-valve in the water outlet side of first circulation pump, and described
The water outlet side of first check-valve is equipped with the first temperature transmitter and first pressure gauge；On first water return pipeline, described
The water inlet side of first solenoid valve is equipped with first filter, and is equipped with second temperature meter in the water inlet side of the first filter.
On first outlet pipeline, it is all provided in the water inlet side of first circulation pump and the water outlet side of first check-valve
There is ball valve；On first water return pipeline, it is all provided in the water inlet side of the first filter and the water outlet side of the first solenoid valve
There is ball valve, the first branch in parallel with first solenoid valve and first filter is equipped on first water return pipeline, and
Ball valve also is provided in the first branch.
It is connected one end equipped with the second filter, on second water return pipeline with buffer in second outlet pipeline
Equipped with second pressure gauge, third thermometer is equipped on the electrically heated boiler.
Second water return pipeline both ends, second circulation pump two sides, third circulating pump two sides and the second filter two sides
It is equipped with ball valve.
On the third outlet pipeline, it is equipped with second check-valve in the water outlet side of the 4th circulating pump, described the
The water outlet side of five circulating pumps is equipped with third check-valves；On the third water return pipeline, in the water inlet side of the second solenoid valve
Equipped with third filter.
It is equipped with ball valve at third outlet pipeline both ends and third water return pipeline both ends, in the third filter
Water inlet side and the water outlet side of second solenoid valve are equipped with ball valve, in the water inlet side of the 4th circulating pump and going out for second check-valve
Water side is equipped with ball valve, is equipped with ball valve in the water inlet side of the 5th circulating pump and the water outlet side of third check-valves.
Four in parallel with the second solenoid valve and third filter is equipped on the third water return pipeline
Road is equipped with ball valve on the 4th road.
Connecting line is equipped between the third outlet pipeline and third water return pipeline, and the connecting line is equipped with and disappears
Water hammer valve.
The buffer is equipped with inlet pipeline.
The advantages of the utility model and good effect are as follows:
1, the utility model is realized using luminous energy energy collector cooperation electrically heated boiler and is heated to the water in buffer, Neng Goushi
The existing sunlight period is not required to electric energy heating, and (night and negative snowy day gas) is aided with electrically heated energy-saving effect when without sunlight is irradiated, and mentions
High heating efficiency can also reduce heat cost simultaneously.
2, the hydraulic pressure and water temperature of each pipeline of the utility model real-time monitoring, guarantees that heat supply temperature is met the requirements, and system
It is safe and reliable to operation.
3, each pipeline of the utility model fully considers maintenance and needs of removing contamination, and ordinary maintenance is facilitated to safeguard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the pipeline component schematic diagram in Fig. 1 between luminous energy training tool and buffer,
Fig. 3 is the pipeline component schematic diagram in Fig. 1 between electrically heated boiler and buffer,
Fig. 4 is the pipeline component schematic diagram in Fig. 1 between buffer and heat supply place.
Wherein, 1 is buffer, and 2 be electrically heated boiler, and 201 be third thermometer, and 3 be luminous energy training tool, and 4 be controller,
401 be the second control route, and 402 be the first control route, and 403 be that third controls route, and 404 control route for the 4th, and 5 be confession
Thermal field institute, 6 be the first water return pipeline, and 601 be the first solenoid valve, and 602 be first filter, and 603 be second temperature meter, and 604 are
The first branch, 7 be the first outlet pipeline, and 701 pump for first circulation, and 702 be first check-valve, and 703 be the first thermometer, 704
It is the second outlet pipeline for first pressure gauge, 8,801 be the second filter, and 802 be second branch, and 803 be third circulating pump,
804 pump for second circulation, and 9 be the second water return pipeline, and 901 be second pressure gauge, and 10 be third outlet pipeline, and 101 be the 4th temperature
Degree meter, 102 be third pressure gauge, and 103 be third branch, and 104 be the 5th circulating pump, and 105 be third check-valves, and 106 be the 4th
Circulating pump, 107 be second check-valve, and 11 be third water return pipeline, and 111 be the 5th thermometer, and 112 be the 4th pressure gauge, and 113 are
Third filter, 114 be second solenoid valve, and 115 be the 4th branch, and 12 be connecting line, and 121 be the water hammer valve that disappears, and 13 be water inlet
Pipeline.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figures 1-4, the utility model includes buffer 1, electrically heated boiler 2, luminous energy training tool 3 and controller 4,
Wherein as shown in Fig. 2, the buffer 1 passes through the first outlet pipeline 7 and the first water return pipeline 6 and 3 phase of luminous energy training tool
Even, first circulation pump 701 is equipped on first outlet pipeline 7, and first circulation pump 701 passes through the first control route
402 are connected with the controller 4, and the first solenoid valve 601, and first solenoid valve are equipped on first water return pipeline 6
601 are connected by the second control route 401 with the controller 4, as shown in figure 3, the buffer 1 passes through the second outlet pipeline
8 and second water return pipeline 9 be connected with the electrically heated boiler 2, on second outlet pipeline 8 be equipped with second circulation pump 804,
It is equipped with one on second outlet pipeline 8 and pumps 804 second branchs 802 in parallel with second circulation, in the second branch
802 are equipped with third circulating pump 803, and second circulation pump 804 and third circulating pump 803 pass through route and the electric heating
Control system on boiler 2 is connected, as shown in figure 4, the buffer 1 passes through third outlet pipeline 10 and third water return pipeline 11
It is connected with heat supply place 5, the heat supply place 5 can be the places such as building, and the 4th circulation is equipped on third outlet pipeline 10
Pump 106 is equipped with a third branch 103 in parallel with the 4th circulating pump 106, and described the on the third outlet pipeline 10
Three branches 103 are equipped with the 5th circulating pump 104, and the 4th circulating pump 106 and the 5th circulating pump 104 control route by third
403 are connected with the controller 4, and second solenoid valve 114, and the second solenoid valve are equipped on the third water return pipeline 11
114 are connected by the 4th control route 404 with the controller 4, and in addition the luminous energy training tool 3 is controlled by the controller 4
System.The electrically heated boiler 2 and luminous energy training tool 3 are techniques well known.
As shown in Fig. 1~2, the water in buffer 1 is under 701 effect of first circulation pump in the first outlet pipeline 7, light
It can circulate between training tool 3, the first water return pipeline 6 and buffer 1, on first outlet pipeline 7, be followed described first
The water outlet side of ring pump 701 is equipped with first check-valve 702, on first water return pipeline 6, in first solenoid valve 601
Water inlet side is equipped with first filter 602.In addition to monitoring temperature and pressure, on first outlet pipeline 7, described the
The water outlet side of one check-valves 702 is equipped with the first thermometer 703 and first pressure gauge 704 for detecting water temperature and hydraulic pressure, described
On first water return pipeline 6, second temperature meter 603 is equipped with for monitoring water temperature in the water inlet side of the first filter 602.
As shown in Fig. 2, pipeline is controlled and is overhauled for convenience, on first outlet pipeline 7, in the first circulation
The water inlet side of pump 701 and the water outlet side of first check-valve 702 are equipped with ball valve.On first water return pipeline 6, described
The water outlet side of the water inlet side of one filter 602 and the first solenoid valve 601 is equipped with ball valve, in addition in first water return pipeline 6
It is equipped with the first branch 604 in parallel with first solenoid valve 601 and first filter 602, in the first branch 604
Equipped with ball valve, when the needs of first filter 602 are removed contamination or pipeline repairs, be turned off manually first filter 602 water inlet side and
The ball valve of the water outlet side of first solenoid valve 601, opens simultaneously the ball valve in the first branch 604, flows water along the first branch 604
It is dynamic.
As shown in figures 1 and 3, second circulation pump 804 or third circulating pump 803 are parallel relationship, in buffer 1
Water is in the case where second circulation pump 804 or third circulating pump 803 are acted in the second outlet pipeline 8, electrically heated boiler 2, second
It is flowed between water return pipeline 9 and buffer 1.As shown in figure 3, being equipped with the in second outlet pipeline 8 one end that is connected with buffer 1
Tow filtrator 801, in addition to monitoring hydraulic pressure and water temperature, are equipped with second pressure gauge 901 on second water return pipeline 9,
The electrically heated boiler 2 is equipped with third thermometer 201.
As shown in figure 3, pipeline is controlled and is overhauled for convenience, 9 both ends of the second water return pipeline, second circulation pump 804
Two sides, 803 two sides of third circulating pump and 801 two sides of the second filter are equipped with ball valve.
As shown in Figure 1 and Figure 4, the 4th circulating pump 106 and the 5th circulating pump 104 are parallel relationship, in buffer 1
Water returns under the 4th circulating pump 106 or the effect of the 5th circulating pump 104 in third outlet pipeline 10, heat supply place 5, third
It is flowed between water lines 11 and buffer 1.As shown in figure 4, on the third outlet pipeline 10, in the 4th circulating pump 106
Water outlet side be equipped with second check-valve 107, the 5th circulating pump 104 water outlet side be equipped with third check-valves 105, described
On third water return pipeline 11, third filter 113 is equipped in the water inlet side of the second solenoid valve 114.In addition to monitoring water
Pressure and water temperature are equipped with the 4th thermometer 101 and third pressure gauge 102, in third water return pipeline 11 on third outlet pipeline 10
It is equipped with the 5th thermometer 111 and the 4th pressure gauge 112.
As shown in figure 4, pipeline is controlled and is overhauled for convenience, in 10 both ends of third outlet pipeline and third return pipe
11 both ends of road are equipped with ball valve, are equipped with ball in the water inlet side of the third filter 113 and the water outlet side of second solenoid valve 114
Valve is equipped with ball valve in 106 water inlet side of the 4th circulating pump and 107 water outlet side of second check-valve, in the 5th circulating pump
104 water inlet sides and 105 water outlet side of third check-valves are equipped with ball valve, and in addition third water return pipeline 11 is equipped with one and described the
Two solenoid valves 114 and the 4th branch 115 in parallel of third filter 113, are equipped with ball valve on the 4th branch 115, when the
When three filters 113 needs are removed contamination or pipeline repairs, 113 water inlet side of third filter and 114 water outlet side of second solenoid valve are closed
Ball valve, open simultaneously the ball valve on the 4th branch 115, water is i.e. along the 4th bypass flow.
As shown in figure 4, being equipped with connecting line 12, the company between the third water return pipeline 11 and third outlet pipeline 10
Adapter tube road 12 is equipped with the water hammer valve 121 that disappears to be influenced for eliminating water hammer effect.
As shown in Figure 1, the buffer 1 is equipped with inlet pipeline 13 for supplementing water in case in real time.
Each solenoid valve, pressure gauge, thermometer, filter, ball valve, circulating pump and the water hammer valve 121 that disappears are this
Field well-known technique.
The working principle of the utility model are as follows:
When utility model works, electric furnace 2 is the water heating in buffer 1, and then the hot water of buffer 1 is by the
Three outlet pipelines 10 enter the heat supplying pipeline in heat supply place 5, and the water exported by heat supply place 5 flows back to slow through third water return pipeline 11
Rush device 1, when sunlight abundance on 3 daytime of luminous energy training tool accumulates thermal energy, passes through control when peak of power consumption or electric energy deficiency
The control of case 4 processed starts the water in the heating of luminous energy training tool 3 buffer 1, guarantees that 1 output water temperature degree of buffer is met the requirements,
Can be realized the sunlight period is not required to electric energy heating, and (night and negative snowy day gas) is aided with electrically heated energy conservation effect when without sunlight is irradiated
Fruit.
Claims (10)
1. a kind of auxiliary electric energy boiler system of luminous energy, it is characterised in that: including buffer (1), electrically heated boiler (2), optical energy heat-collecting
Device (3) and controller (4), the buffer (1) pass through the first outlet pipeline (7) and the first water return pipeline (6) and the luminous energy
Heat collector (3) is connected, and first circulation pump (701) is equipped on first outlet pipeline (7), in first water return pipeline
(6) the first solenoid valve (601) are equipped with, and the optical heat collector (3), the first solenoid valve (601) and first circulation pump (701)
It is controlled by the controller (4), the buffer (1) passes through the second outlet pipeline (8) and the second water return pipeline (9) and institute
It states electrically heated boiler (2) to be connected, second circulation pump (804) and third in parallel is equipped on second outlet pipeline (8) and is followed
Ring pumps (803), and second circulation pump (804) and third circulating pump (803) pass through the control system on electrically heated boiler (2)
Control, the buffer (1) pass through third outlet pipeline (10) and third water return pipeline (11) and heat supply place (5) pipeline phase
Even, the 4th circulating pump (106) and the 5th circulating pump (104) in parallel are equipped on the third outlet pipeline (10), described
Third water return pipeline (11) be equipped with second solenoid valve (114), and the 4th circulating pump (106), the 5th circulating pump (104) and
Second solenoid valve (114) is controlled by the controller (4).
2. the auxiliary electric energy boiler system of luminous energy according to claim 1, it is characterised in that: in first outlet pipeline (7)
On, first check-valve (702) are equipped in the water outlet side of first circulation pump (701), and in the first check-valve (702)
Water outlet side is equipped with the first temperature transmitter (703) and first pressure gauge (704)；On first water return pipeline (6), described
The water inlet side of first solenoid valve (601) is equipped with first filter (602), and sets in the water inlet side of the first filter (602)
There are second temperature meter (603).
3. the auxiliary electric energy boiler system of luminous energy according to claim 2, it is characterised in that: in first outlet pipeline (7)
On, ball valve is equipped in the water inlet side of first circulation pump (701) and the water outlet side of first check-valve (702)；Described
On one water return pipeline (6), it is equipped in the water inlet side of the first filter (602) and the water outlet side of the first solenoid valve (601)
Ball valve is equipped in parallel with first solenoid valve (601) and first filter (602) on first water return pipeline (6)
The first branch (604), and ball valve also is provided in the first branch (604).
4. the auxiliary electric energy boiler system of luminous energy according to claim 1, it is characterised in that: in second outlet pipeline (8)
It is connected one end with buffer (1) equipped with the second filter (801), second pressure gauge is equipped on second water return pipeline (9)
(901), third thermometer (201) are equipped on the electrically heated boiler (2).
5. the auxiliary electric energy boiler system of luminous energy according to claim 4, it is characterised in that: second water return pipeline (9) two
End, second circulation pump (804) two sides, third circulating pump (803) two sides and the second filter (801) two sides are equipped with ball valve.
6. the auxiliary electric energy boiler system of luminous energy according to claim 1, it is characterised in that: in the third outlet pipeline (10)
On, second check-valve (107) are equipped in the water outlet side of the 4th circulating pump (106), in going out for the 5th circulating pump (104)
Water side is equipped with third check-valves (105)；On the third water return pipeline (11), enter water in the second solenoid valve (114)
Side is equipped with third filter (113).
7. the auxiliary electric energy boiler system of luminous energy according to claim 6, it is characterised in that: in the third outlet pipeline (10)
Both ends and third water return pipeline (11) both ends are equipped with ball valve, in the water inlet side and the second electromagnetism of the third filter (113)
The water outlet side of valve (114) is equipped with ball valve, in the water inlet side of the 4th circulating pump (106) and going out for second check-valve (107)
Water side is equipped with ball valve, is equipped with ball in the water inlet side of the 5th circulating pump (104) and the water outlet side of third check-valves (105)
Valve.
8. the auxiliary electric energy boiler system of luminous energy according to claim 6 or 7, it is characterised in that: in the third water return pipeline
(11) it is equipped with fourth branch (115) in parallel with the second solenoid valve (114) and third filter (113), in institute
The 4th branch (115) is stated equipped with ball valve.
9. the auxiliary electric energy boiler system of luminous energy according to claim 1, it is characterised in that: the third outlet pipeline (10) and
Connecting line (12) are equipped between third water return pipeline (11), and the connecting line (12) is equipped with and disappears water hammer valve (121).
10. the auxiliary electric energy boiler system of luminous energy according to claim 1, it is characterised in that: the buffer (1) be equipped with into
Water lines (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268546.5U CN208794533U (en) | 2018-08-08 | 2018-08-08 | A kind of auxiliary electrical power heat-supply system of luminous energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268546.5U CN208794533U (en) | 2018-08-08 | 2018-08-08 | A kind of auxiliary electrical power heat-supply system of luminous energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208794533U true CN208794533U (en) | 2019-04-26 |
Family
ID=66204863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821268546.5U Active CN208794533U (en) | 2018-08-08 | 2018-08-08 | A kind of auxiliary electrical power heat-supply system of luminous energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208794533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981548A (en) * | 2020-05-22 | 2020-11-24 | 太原大四方节能环保股份有限公司 | Heating ventilation air conditioning pipe network circulating pump water system and power-saving operation method thereof |
| CN112178732A (en) * | 2020-09-05 | 2021-01-05 | 万江新能源集团有限公司 | Heat storage device of heat supply system |
-
2018
- 2018-08-08 CN CN201821268546.5U patent/CN208794533U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981548A (en) * | 2020-05-22 | 2020-11-24 | 太原大四方节能环保股份有限公司 | Heating ventilation air conditioning pipe network circulating pump water system and power-saving operation method thereof |
| CN111981548B (en) * | 2020-05-22 | 2021-12-14 | 太原大四方节能环保股份有限公司 | Heating ventilation air conditioning pipe network circulating pump water system and power-saving operation method thereof |
| CN112178732A (en) * | 2020-09-05 | 2021-01-05 | 万江新能源集团有限公司 | Heat storage device of heat supply system |
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