CN220649193U - A photo-thermal energy memory for producing liquid heating - Google Patents
A photo-thermal energy memory for producing liquid heating Download PDFInfo
- Publication number
- CN220649193U CN220649193U CN202322340477.1U CN202322340477U CN220649193U CN 220649193 U CN220649193 U CN 220649193U CN 202322340477 U CN202322340477 U CN 202322340477U CN 220649193 U CN220649193 U CN 220649193U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- circulation
- photo
- electric
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000005338 heat storage Methods 0.000 claims abstract description 70
- 230000001105 regulatory effect Effects 0.000 claims abstract description 65
- 238000005485 electric heating Methods 0.000 claims abstract description 37
- 238000004146 energy storage Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 239000010779 crude oil Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
Abstract
The utility model relates to the technical field of photo-thermal energy storage devices, in particular to a photo-thermal energy storage device for heating produced liquid, which comprises an oil pumping unit, a heat exchanger, a heat supply circulation electric three-way regulating valve, a photo-thermal circulation electric three-way regulating valve, a solar heat collector, a heat storage circulation electric three-way regulating valve, a phase change heat storage device, a photo-thermal circulation pipeline, a photo-thermal circulation bypass pipeline, a heat storage circulation pipeline, a heat supply circulation bypass pipeline, a produced liquid inlet pipeline and a produced liquid outlet pipeline. The solar photo-thermal phase-change heat storage device is fully coupled with the electric heating mode, and various resources are utilized to the maximum extent by utilizing the highly-automatic control and adjusting the on-off and the start-stop of the heat supply circulation electric three-way regulating valve, the photo-thermal circulation electric three-way regulating valve, the auxiliary electric heating group, the electric heating group and the heat storage circulation electric three-way regulating valve.
Description
Technical Field
The utility model relates to the technical field of photo-thermal energy storage devices, in particular to a photo-thermal energy storage device for heating produced liquid.
Background
At present, in the petroleum exploitation industry, aiming at the thick oil block and the crude oil pipe transportation requirement, the produced liquid of an oil well still has great heating requirement, and the produced liquid is heated in a well site by adopting a mode of an oil well associated gas heating furnace, but because the associated gas has complex components, the efficiency of the associated gas heating furnace is low, the smoke emission value of the associated gas heating furnace is far higher than the environmental protection requirement, and the aim of realizing carbon neutralization in 2060 years in China is overcome. The mode of replacing the associated gas heating furnace mainly comprises pure electric heating, an air source heat pump, solar photo-heating and the like, and the running cost of adopting pure electric heating is too high, so that huge pressure is caused for oilfield production; the air source heat pump has low running efficiency in winter, and the efficiency of the air source heat pump is reduced due to the severe environment even in the field at the well site.
The pure solar photo-thermal heating is adopted, so that the limitation exists, the solar photo-thermal or acquisition is limited, the solar photo-thermal cannot be obtained at night and in overcast and rainy days, the storage of the solar photo-thermal is particularly important, the photo-thermal and energy storage mode is designed, the solar energy resource is fully utilized, the step electricity price policy of China is utilized, the utilization of clean energy sources can be realized, and the operation cost is reduced, so that the problem to be solved is urgent.
Disclosure of Invention
In order to solve the problems in the background art, the utility model provides a photo-thermal energy storage device for heating produced liquid, which is provided with:
the device comprises an oil pumping unit, a heat exchanger, a heat supply circulation electric three-way regulating valve, a photo-thermal circulation electric three-way regulating valve, a solar heat collector, a heat storage circulation electric three-way regulating valve, a phase change heat storage device, a photo-thermal circulation pipeline, a photo-thermal circulation bypass pipeline, a heat storage circulation bypass pipeline, a heat supply circulation bypass pipeline, a produced liquid inlet pipeline and a produced liquid outlet pipeline;
the heat exchanger is provided with a produced liquid inlet connected with a produced liquid inlet pipeline and a produced liquid outlet connected with a produced liquid outlet pipeline;
the heat exchanger is also provided with a heat exchange medium inlet connected with the heat supply circulating pipeline and a heat exchange medium outlet connected with the heat supply circulating bypass pipeline;
the heating circulation electric three-way regulating valve is provided with an inlet and two outlets, and one inlet is connected with a heat storage circulation bypass pipeline; the two outlets are respectively connected with a heating circulation pipeline and a heating circulation bypass pipeline;
the photo-thermal cycle electric three-way regulating valve is provided with an inlet and two outlets, wherein the inlet is connected with a heating cycle bypass pipeline, and the two outlets are respectively connected with the photo-thermal cycle pipeline and the photo-thermal cycle bypass pipeline;
the heat storage circulation electric three-way regulating valve is provided with an inlet and two outlets, wherein the inlet is connected with the photo-thermal circulation bypass pipeline, and the two outlets are respectively connected with the heat storage circulation pipeline and the heat storage circulation bypass pipeline;
the phase change heat storage device is provided with an inlet connected with a heat storage circulating pipeline and an outlet connected with a heat storage circulating bypass pipeline;
the solar heat collector is provided with an inlet connected with the photo-thermal circulation pipeline and an outlet connected with the photo-thermal circulation bypass pipeline;
the produced liquid inlet pipeline is connected with the pumping unit.
In the preferred scheme, a buffer water tank, a heat supply circulating pump and an electric heating group which are sequentially connected through pipelines are further arranged in the photo-thermal circulating bypass pipeline, and the electric heating group is connected with an inlet of the heat storage circulating electric three-way regulating valve.
In a preferred embodiment, the heat storage circulation bypass line is further provided with an auxiliary electric heating group.
The beneficial effects achieved by the utility model are as follows:
the solar photo-thermal, phase-change heat storage device and the electric heating mode are fully coupled, and various resources are utilized to the maximum extent by utilizing the highly-automatic control and adjusting the on-off and the start-stop of the heating circulation electric three-way regulating valve, the photo-thermal circulation electric three-way regulating valve, the auxiliary electric heating group, the electric heating group and the heat storage circulation electric three-way regulating valve; the utility model is provided with the buffer water tank, so that the problem of system medium deficiency caused by overtemperature of the solar heat collection system can be effectively avoided, and the problem of freezing of the solar heat collector in winter can be effectively avoided by setting an anti-freezing mode for detecting the ambient temperature TT-12.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Reference numerals in the drawings:
01. pumping unit; 02. a heat exchanger; 03. a heating cycle electric three-way regulating valve; 04. photo-thermal cycle electric three-way regulating valve; 05. a solar collector; 06. an auxiliary electric heating group; 07. a buffer water tank; 08. a heat supply circulation pump; 09. an electric heating group; 10. a heat storage circulation electric three-way regulating valve; 11. a phase change heat storage device; w01, photo-thermal cycle line; w02, a photo-thermal cycle bypass line; w03, heat storage circulation pipeline; w04, a heat storage circulating bypass pipeline; w05, heating circulation pipeline; w06, heating circulation bypass line; w07, produced fluid inlet line; w08, produced fluid outlet line.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.
Referring to fig. 1, the present utility model provides a photo-thermal energy storage device for heating produced fluid, which is provided with:
the heat-storage type solar heat pump unit comprises an oil pumping unit 01, a heat exchanger 02, a heat supply circulation electric three-way regulating valve 03, a photo-thermal circulation electric three-way regulating valve 04, a solar heat collector 05, a heat storage circulation electric three-way regulating valve 10, a phase-change heat storage device 11, a photo-thermal circulation pipeline W01, a photo-thermal circulation bypass pipeline W02, a heat storage circulation pipeline W03, a heat storage circulation bypass pipeline W04, a heat supply circulation pipeline W05, a heat supply circulation bypass pipeline W06, a produced liquid inlet pipeline W07 and a produced liquid outlet pipeline W08;
the heat exchanger 02 is provided with a produced liquid inlet connected with a produced liquid inlet pipeline W07 and a produced liquid outlet connected with a produced liquid outlet pipeline W08;
the heat exchanger 02 is also provided with a heat exchange medium inlet connected with the heat supply circulating pipeline W05 and a heat exchange medium outlet connected with the heat supply circulating bypass pipeline W06;
the heating circulation electric three-way regulating valve 03 is provided with an inlet and two outlets, and one inlet is connected with a heat storage circulation bypass pipeline W04; the two outlets are respectively connected with a heating circulation pipeline W05 and a heating circulation bypass pipeline W06;
the photo-thermal cycle electric three-way regulating valve 04 is provided with an inlet and two outlets, wherein the inlet is connected with a heating cycle bypass pipeline W06, and the two outlets are respectively connected with a photo-thermal cycle pipeline W01 and a photo-thermal cycle bypass pipeline W02;
the heat storage circulation electric three-way regulating valve 10 is provided with an inlet and two outlets, wherein the inlet is connected with the photo-thermal circulation bypass pipeline W02, and the two outlets are respectively connected with the heat storage circulation pipeline W03 and the heat storage circulation bypass pipeline W04;
the phase-change heat storage device 11 is provided with an inlet connected with the heat storage circulating pipeline W03 and an outlet connected with the heat storage circulating bypass pipeline W04; the solar heat collector 05 is provided with an inlet connected with the photo-thermal circulation pipeline W01 and an outlet connected with the photo-thermal circulation bypass pipeline W02; the produced liquid inlet pipeline W07 is connected with the pumping unit 01. The photo-thermal circulation bypass pipeline W02 is also provided with a buffer water tank 07, a heat supply circulation pump 08 and an electric heating group 09 which are sequentially connected through pipelines, and the electric heating group 09 is connected with an inlet of the heat storage circulation electric three-way regulating valve 10. The heat storage circulation bypass line W04 is also provided with an auxiliary electric heating group 06.
The utility model mainly uses the solar energy absorbed by the solar heat collector 05 and the heat stored in the phase change heat storage device 11 in the valley period, and utilizes the fluid medium conveyed by the heat supply circulating pump 08 to transfer the produced liquid extracted by the pumping unit 01 through the heat exchanger 02, and the heated produced liquid is conveyed to a crude oil station warehouse for treatment through a pipeline.
The utility model mainly utilizes an automatic control system to realize the operation mode conversion in different time periods by controlling the on-off and the start-stop of the heat supply circulation electric three-way regulating valve 03, the photo-thermal circulation electric three-way regulating valve 04, the auxiliary electric heating group 06, the electric heating group 09 and the heat storage circulation electric three-way regulating valve 10. The data that the automatic control system needs to collect are as follows:
(1) Detecting the inlet temperature (TT-01) of the produced liquid, and remotely transmitting signals;
(2) Detecting the outlet temperature (TT-02) of the produced liquid, and remotely transmitting signals;
(3) Detecting the temperature (TT-03) of a hot water inlet of the heat exchanger 02, and remotely transmitting signals;
(4) Detecting the temperature (TT-04) of a hot water outlet of the heat exchanger 02, and remotely transmitting signals;
(5) Detecting the inlet temperature (TT-05) of the solar heat collector 05, and remotely transmitting signals;
(6) Detecting the outlet temperature (TT-06) of the solar heat collector 05, and remotely transmitting signals;
(7) Detecting the inlet temperature (TT-07) of the electric heating group 09, and remotely transmitting signals;
(8) Detecting the outlet temperature (TT-08) of the electric heating group 09, and remotely transmitting signals;
(9) Detecting the outlet temperature (TT-09) of the phase-change heat storage device 11, and remotely transmitting signals;
(10) Detecting the temperature (TT-10) of the phase change heat storage device 11, and remotely transmitting signals;
(11) Detecting the outlet temperature (TT-11) of the auxiliary electric heating group 06, and remotely transmitting signals;
(12) Detecting the ambient temperature (TT-12), and remotely transmitting signals;
(13) Detecting the liquid level (PT-101) of the buffer water tank 07, and remotely transmitting signals; low liquid level alarm;
(14) Detecting the running state of the heat supply circulating pump 08, alarming faults and uploading electrical parameters, and realizing remote start and stop;
(15) Detecting an electric heating running state, alarming faults, uploading electric parameters and realizing remote start and stop;
(16) Detecting analog quantity and signal remote transmission of the three-way valve running state;
(17) Detecting solar heat collection quantity (HT-01), and remotely transmitting signals;
(18) Detecting the heat release quantity (HT-02) of the heat exchanger 02, and remotely transmitting signals;
(19) Detecting a system power supply, detecting power consumption and remotely transmitting signals.
The utility model can set a solar energy operation time period, a valley electricity time period, a peak electricity time period and a flat electricity time period, and the operation modes and logic of the time periods are as follows:
(1) Solar energy operation (set time period AA:00:00-BB: 00:00);
starting state: the opening degree of the photo-thermal cycle electric three-way regulating valve 04 is regulated, and all system media flow into a photo-thermal cycle pipeline W01;
action judgment of the photo-thermal cycle electric three-way regulating valve 04: judging the sizes of the outlet temperature TT-06 of the solar heat collector 05 and the inlet temperature TT-05 of the solar heat collector 05:
1) If TT-06 is less than or equal to TT-05, adjusting the opening of the photo-thermal cycle electric three-way adjusting valve 04, and gradually flowing the medium into the photo-thermal cycle bypass pipeline W02; at the moment, the outdoor temperature TT-12 is judged at the same time, if TT-12 is less than or equal to 2 ℃, the medium flow flowing into the photo-thermal circulation pipeline W01 at the photo-thermal circulation electric three-way regulating valve 04 is reserved for 10%, and the solar energy system is used for antifreezing;
(2) If TT-06 is more than TT-05, keeping all the system medium flowing into the photo-thermal circulation pipeline W01;
outside the time period, judging the outdoor temperature TT-12, if TT-12 is less than or equal to 2 ℃, keeping 10% of medium flow flowing into a W01 photo-thermal circulation pipeline W01 at a photo-thermal circulation electric three-way regulating valve 04, and using the water heater for solar energy system antifreezing; if TT-12 is more than 2 ℃, the medium flow of the photo-thermal cycle electric three-way regulating valve 04 completely flows into the photo-thermal cycle bypass pipeline W02.
(2) Peak, flat period mode of operation (set peak period CC:00:00-DD:00:00, flat period EE:00:00-FF: 00:00)
Starting state: the auxiliary electric heating group 06 and the electric heating group 09 are closed, the opening of the heat storage circulation electric three-way regulating valve 10 is regulated, the system medium totally flows into the heat storage circulation pipeline W03, the opening of the heat supply circulation electric three-way regulating valve 03 is regulated, and the medium totally flows into the heat supply circulation pipeline W05;
action judgment of the heat storage cycle electric three-way regulating valve 10: judging the sizes of the inlet temperature TT-08 and the outlet temperature TT-09 of the heat storage device, and if TT-08 is more than or equal to TT-09, completely flowing into a heat storage circulation bypass pipeline W04; if TT-08 is less than TT-09, keeping the system medium to flow into the heat storage circulating pipeline W03 completely;
action judgment of a heating cycle electric three-way regulating valve 03: judging the sizes of the crude oil outlet temperature TT-02 and the set temperature, if TT-02 is smaller than the set temperature, enabling all media to flow into a heat supply circulation pipeline W05, and if TT-02 is larger than the set temperature, adjusting the opening of a heat supply circulation electric three-way regulating valve 03, and enabling the flow of the media flowing into a heat supply circulation bypass pipeline W06 to be increased;
auxiliary electric heating group 06 action judgment:
(1) Opening conditions: when TT-10 is judged to be more than 40 ℃, the medium of the heat supply circulation electric three-way regulating valve 03 flows into a heat supply circulation pipeline W05 more than or equal to 95 percent and the medium of the heat storage circulation electric three-way regulating valve 10 flows into a heat storage circulation pipeline W03 more than or equal to 95 percent and TT-02 is less than the set temperature; when TT-10 is judged to be less than or equal to 40 ℃, the medium flowing into a heating circulation pipeline W05 is more than or equal to 95 percent and TT-02 of the heating circulation electric three-way regulating valve 03 is less than the set temperature;
(2) Closing condition: TT-02 is larger than a set temperature or medium inflow heat supply circulation pipeline W05 < 95% of a heat supply circulation electric three-way regulating valve 03;
09 electric heating group 09 operation determination:
(1) Opening conditions: the full opening of the auxiliary electric heating group 06 is smaller than the set temperature;
(2) Closing condition: TT-02 is greater than a set temperature or auxiliary electric heating group 06 is not fully opened;
(3) Valley period mode of operation (set valley period GG:00:00-HH: 00:00)
Starting state: the auxiliary electric heating group 06 and the electric heating group 09 are both opened, the opening degree of the heat storage circulation electric three-way regulating valve 10 is regulated, the system medium totally flows into the heat storage circulation pipeline W03, the opening degree of the heat supply circulation electric three-way regulating valve 03 is regulated, and the medium totally flows into the heat supply circulation pipeline W05;
action judgment of the heat storage cycle electric three-way regulating valve 10: judging the sizes of the inlet temperature TT-08 and the outlet temperature TT-09 of the heat storage device, and if TT-08 is more than TT-09, keeping all the system medium flowing into the heat storage circulating pipeline W03; if TT-08 is less than or equal to TT-09 or TT-10 is more than or equal to 95 ℃, the opening of the electric three-way regulating valve 10 for heat storage circulation is regulated, and the system medium is switched from the heat storage circulation pipeline W03 to flow into the heat storage circulation bypass pipeline W04 completely;
action judgment of a heating cycle electric three-way regulating valve 03: judging the sizes of the crude oil outlet temperature TT-02 and the set temperature, if TT-02 is smaller than the set temperature, enabling all media to flow into a heat supply circulation pipeline W05, and if TT-02 is larger than the set temperature, adjusting the opening of a heat supply circulation electric three-way regulating valve 03, and enabling the flow of the media flowing into a heat supply circulation bypass pipeline W06 to be increased;
electric heating group 09 operation determination:
(1) Closing condition: TT-10 is more than or equal to 95 ℃ and TT-02 is more than the set temperature and auxiliary electric heating group 06 is fully closed;
(2) Opening conditions: TT-02 is smaller than the set temperature and the medium inflow heat supply circulation pipeline W05 is more than or equal to 95% of the heat supply circulation electric three-way regulating valve 03;
auxiliary electric heating group 06 action judgment:
(1) Closing condition: the medium of the heating cycle electric three-way regulating valve 03 flows into a heating cycle bypass pipeline W06 which is more than or equal to 95 percent;
(2) Opening conditions: TT-02 is smaller than the set temperature and the medium inflow heat supply circulation pipeline W05 is more than or equal to 95 percent of the heat supply circulation electric three-way regulating valve 03 and the electric heating group 09 is fully opened.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (3)
1. A photo-thermal energy storage device for heating produced liquid is characterized in that the device is provided with:
the device comprises an oil pumping unit (01), a heat exchanger (02), a heat supply circulation electric three-way regulating valve (03), a photo-thermal circulation electric three-way regulating valve (04), a solar heat collector (05), a heat storage circulation electric three-way regulating valve (10), a phase change heat storage device (11), a photo-thermal circulation pipeline (W01), a photo-thermal circulation bypass pipeline (W02), a heat storage circulation pipeline (W03), a heat storage circulation bypass pipeline (W04), a heat supply circulation pipeline (W05), a heat supply circulation bypass pipeline (W06), a produced liquid inlet pipeline (W07) and a produced liquid outlet pipeline (W08);
the heat exchanger (02) is provided with a produced liquid inlet connected with a produced liquid inlet pipeline (W07) and a produced liquid outlet connected with a produced liquid outlet pipeline (W08);
the heat exchanger (02) is also provided with a heat exchange medium inlet connected with the heat supply circulating pipeline (W05) and a heat exchange medium outlet connected with the heat supply circulating bypass pipeline (W06);
the heating circulation electric three-way regulating valve (03) is provided with an inlet and two outlets, and one inlet is connected with a heat storage circulation bypass pipeline (W04); the two outlets are respectively connected with a heating circulation pipeline (W05) and a heating circulation bypass pipeline (W06);
the photo-thermal cycle electric three-way regulating valve (04) is provided with an inlet and two outlets, wherein the inlet is connected with a heating cycle bypass pipeline (W06), and the two outlets are respectively connected with a photo-thermal cycle pipeline (W01) and a photo-thermal cycle bypass pipeline (W02);
the heat storage circulation electric three-way regulating valve (10) is provided with an inlet and two outlets, wherein the inlet is connected with the photo-thermal circulation bypass pipeline (W02), and the two outlets are respectively connected with the heat storage circulation pipeline (W03) and the heat storage circulation bypass pipeline (W04);
the phase-change heat storage device (11) is provided with an inlet connected with a heat storage circulating pipeline (W03) and an outlet connected with a heat storage circulating bypass pipeline (W04);
the solar heat collector (05) is provided with an inlet connected with the photo-thermal circulation pipeline (W01) and an outlet connected with the photo-thermal circulation bypass pipeline (W02);
the produced liquid inlet pipeline (W07) is connected with the pumping unit (01).
2. A photo-thermal energy storage device for heating produced fluid according to claim 1, wherein: the photo-thermal circulation bypass pipeline (W02) is further provided with a buffer water tank (07), a heat supply circulating pump (08) and an electric heating group (09) which are sequentially connected through pipelines, and the electric heating group (09) is connected with an inlet of the heat storage circulation electric three-way regulating valve (10).
3. A photo-thermal energy storage device for heating produced fluid according to claim 1, wherein: the heat storage circulating bypass pipeline (W04) is also provided with an auxiliary electric heating group (06).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322340477.1U CN220649193U (en) | 2023-08-30 | 2023-08-30 | A photo-thermal energy memory for producing liquid heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322340477.1U CN220649193U (en) | 2023-08-30 | 2023-08-30 | A photo-thermal energy memory for producing liquid heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649193U true CN220649193U (en) | 2024-03-22 |
Family
ID=90289779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322340477.1U Active CN220649193U (en) | 2023-08-30 | 2023-08-30 | A photo-thermal energy memory for producing liquid heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649193U (en) |
-
2023
- 2023-08-30 CN CN202322340477.1U patent/CN220649193U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100547321C (en) | Solar-gas engine heat pump heating device and method of operating thereof | |
| CN109611936B (en) | Cross-season heating and hot water supply system with solar energy as unique heat supply source | |
| CN111189232A (en) | Solar energy and air source heat pump composite heating system in severe cold region | |
| CN2929594Y (en) | Solar energy-gas combustion machine heat pump heater | |
| CN111397251B (en) | Photoelectric and photo-thermal comprehensive utilization heat pump system | |
| CN201069212Y (en) | Solar heat supply device for winter warm collection | |
| CN220649193U (en) | A photo-thermal energy memory for producing liquid heating | |
| CN201751746U (en) | Heat supply system using solar energy and wall-hung gas furnace complementary to each other | |
| CN201615652U (en) | Three-functional air-conditioning device with solar water-cooled heat pump | |
| CN201531943U (en) | Solar energy electrical auxiliary superconducting heating system | |
| CN101718477A (en) | Solar thermal collector freezing prevention system | |
| CN213454339U (en) | High freezing resistance solar heat collection system | |
| CN108518782A (en) | A kind of cooling/warming system of solar energy integration air source heat pump | |
| CN201852321U (en) | Novel tube bank defrosters | |
| CN104613674A (en) | Soil source fuel gas heat pump supplying heat, cool and hot water system | |
| CN201724311U (en) | Connecting structure of solar thermal collector and gas warming stove | |
| CN201615653U (en) | Three-functional air-conditioning device with solar air-cooled heat pump | |
| CN211781378U (en) | Heating system of phase-change valley electricity heat storage coupling water source heat pump | |
| CN210861763U (en) | Refrigerating system for defrosting of electric heater driven by solar energy | |
| CN208365712U (en) | A kind of cooling/warming system of solar energy integration air source heat pump | |
| CN203758047U (en) | Solar heat storage system | |
| CN106918100A (en) | A kind of solar energy aids in ice accumulation of energy seawater source heat pump air conditioning systems | |
| CN207214231U (en) | A kind of solar energy heating system | |
| CN201293465Y (en) | Antifreezing bearing plate type indirect heating water heater | |
| CN203980677U (en) | Underground temperature storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |