CN203177284U - Terrestrial heat source and gas combined type heating supply system - Google Patents
Terrestrial heat source and gas combined type heating supply system Download PDFInfo
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- CN203177284U CN203177284U CN 201320054416 CN201320054416U CN203177284U CN 203177284 U CN203177284 U CN 203177284U CN 201320054416 CN201320054416 CN 201320054416 CN 201320054416 U CN201320054416 U CN 201320054416U CN 203177284 U CN203177284 U CN 203177284U
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Abstract
The utility model discloses a terrestrial heat source and gas combined type heating supply system which comprises a heat-preservation water tank assembly. The heat-preservation water tank assembly comprises a water tank inner container, a water inlet pipe head and a water outlet pipe head are arranged on the lower portion and the upper portion of the water tank inner container respectively, and a gas coil pipe connected with a gas wall-hanging stove assembly, a heating supply coil pipe connected with a heating supply loop assembly and a terrestrial source coil pipe connected with a terrestrial source heat pump assembly are sequentially arranged inside the water tank inner container from top to bottom. The water outlet pipe head is connected with a water-using tail end, a hot water collector is used for collecting hot water which has been used and flows out from the water-using tail end and conveying the hot water to a waste heat exchanging device, a water inlet pipeline penetrates through the waste heat exchanging device and is connected to the water inlet pipe head, and the gas wall-hanging stove assembly, the heating supply loop assembly and the terrestrial source heat pump assembly are electrically connected with a controller assembly. The terrestrial source heat pump and the gas wall-hanging stove are used in a complementation mode, waste heat recovery is carried out, and therefore the energy utilization rate and the unit energy efficiency are improved.
Description
Technical field
The utility model relates to the heat supply heating system of energy mix heating, relates in particular to a kind of geothermal source and combustion gas combined type heating system.
Background technology
Traditional storage-type and Instant heating type hot water apparatus be generally all by the single source heat supply, as: electric energy, combustion gas, solar energy, air source, water source, geothermal source etc.Owing to be subjected to the restriction of single source, following defective can occur: 1, when device breaks down, often the heat supply heating will be interrupted, and can't guarantee normal instructions for use; 2, be subjected to the restriction of service condition easily, as: the use safety problem of combustion gas, solar energy is in overcast and rainy use etc.; The capital produces certain restriction to the use of hot water apparatus; 3, do not satisfy many-sided heating heat supply requirement, as the place of needs heating simultaneously, heating and heat supply water; 4, single source heating heat supply does not meet the environmental protection and energy saving requirement that country advocates; 5, the hot water of people's use, after using, namely drain (no matter being bathing or other purposes), it is special when environment temperature is low, this secondary water of draining, though temperature not high (20 ~ 30 ℃), relative running water (winter is below 10 ℃), the heat that wherein contains is recycled easily.But the water of main flow custom is not used at present, wastes the utilizable energy source.
The utility model content
At defective and the deficiency of above-mentioned existence, a kind of geothermal source and combustion gas combined type heating system are proposed.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of geothermal source and combustion gas combined type heating system are provided, comprise attemperater assembly, burnt gas wall hanging furnace assembly, heating loop assembly, earth source heat pump assembly, control assembly, inlet pipeline, water end, hot water gatherer and waste heat switch; Described attemperater assembly comprises inner water tank, and inner water tank bottom and top are respectively equipped with into water tube head and water outlet tube head, and inner water tank inside is disposed with combustion gas coil pipe, heating coil and ground source tray pipe from top to bottom between water outlet tube head and water inlet tube head; Described combustion gas coil pipe connects described burnt gas wall hanging furnace assembly, and described heating coil connects described heating loop assembly, and described ground source tray pipe connects described earth source heat pump assembly; Described water outlet tube head connects described water end, and described hot water gatherer be used for to be collected from water is terminal and flowed out the hot water after using and it is delivered to described waste heat switch, and described inlet pipeline passes described waste heat switch and is connected to described water inlet tube head; Described burnt gas wall hanging furnace assembly, heating loop assembly, earth source heat pump assembly all are electrically connected described control assembly.
Wherein, described burnt gas wall hanging furnace assembly comprises burnt gas wall hanging furnace, heat-transfer working medium; Described burnt gas wall hanging furnace comprises combustion chamber, heat exchanger, water pump and electrical control module; Described heat exchanger is positioned at described combustion chamber, and the combustion gas coil pipe in heat exchanger and the described attemperater assembly connects and composes the closed circuit that flows for described heat-transfer working medium by pipeline, and described water pump is arranged on this closed circuit; Described water pump is electrically connected described electrical control module, and the electrical control module is electrically connected described control assembly.
Wherein, described electrical control module comprise the blast switch that starts described water pump for the blower fan of giving described exhaust combustion chamber, when being used in the combustion chamber for negative pressure state, be used for gas ratio valve that behind starting mode of pump control enters gas quantity in the combustion chamber, for detection of flue gas and under abnormal conditions control cut off the flue gas inductive switch of gas ratio valve; Described blast switch is electrically connected described water pump and gas ratio valve, and described flue gas inductive switch is electrically connected described gas ratio valve.
Wherein, described earth source heat pump assembly comprise earth source heat pump unit, ground source heat water-circulating pump, source cold water circulation pump, buried pipe network; Described earth source heat pump unit comprises first closed circuit of the confession flow of refrigerant that is made of compressor, condenser, throttling arrangement and evaporimeter; Described buried pipe network connects described evaporimeter by pipeline and constitutes second closed circuit that flows for first heat-transfer working medium, and to the cold-producing medium heating, source, described ground cold water circulation pump is arranged in this second closed circuit described first heat-transfer working medium in evaporimeter; Described ground source tray pipe connects described condenser by pipeline and constitutes the 3rd closed circuit that flows for second heat-transfer working medium, the heat of described second heat-transfer working medium absorption refrigeration agent in condenser also heats the water in the described inner water tank in ground source tray pipe, and described ground source heat water-circulating pump is arranged in the 3rd closed circuit; Described compressor, ground source heat water-circulating pump, the source cold water circulation pump all be electrically connected described control assembly.
Wherein, described first heat-transfer working medium and described second heat-transfer working medium are anti-icing fluid or water.
Wherein, described heating loop assembly comprise circulating pump, floor heating coil pipe or radiator, for detection of the temperature sensor of indoor temperature; Described floor heating coil pipe or radiator are connected by pipeline with heating coil in the described attemperater assembly, and described circulating pump is set on connecting line; Described circulating pump and described temperature sensor are electrically connected described control assembly.
Wherein, described inner water tank is enamel or stainless steel; Inner water tank is socketed with tank shell outward, is filled with insulation bubble material between tank shell and the inner water tank.
Wherein, on the described inlet pipeline safety valve is installed.
Wherein, described ground source tray pipe, combustion gas coil pipe, heating coil material are gapless stainless steel tube or fin stainless steel tube.
The beneficial effects of the utility model are: 1, when one group of thermal source unit breaks down, can not influence normal heating heat demand; 2, this combined system adopts earth source heat pump and combustion gas to use as thermal source complementary, and according to its coil pipe position of each heat sources reasonable Arrangement, hydromining in the water tank is got the mode that segmentation is heated, also carry out waste heat recovery in addition, can improve the efficiency of rate of energy and unit; 3, meet the energy-conserving and environment-protective requirement that country advocates, use the high unit combination of energy utilization rate as far as possible.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation of attemperater assembly in the utility model;
Fig. 3 is the structural representation of burnt gas wall hanging furnace in the utility model;
Fig. 4 is the structural representation of earth source heat pump unit in the utility model.
Label declaration:
1, attemperater assembly; 11, water inlet tube head; 12, source tray pipe; 13, first temperature sensor; 14, heating coil; 15, combustion gas coil pipe; 16, water outlet tube head; 17, tank upper cover; 18, inner water tank; 19, second temperature sensor; 101, insulation bubble material; 102, magnesium rod; 103, tank shell; 104, water tank lower cover; 105, water tank footing;
2, heating loop assembly; 21, floor heating coil pipe; 22, heating circulation pump; 23, three-temperature sensor;
3, burnt gas wall hanging furnace assembly; 301, delivery port; 303, shell structure; 304, heat exchanger; 305, blast switch; 306, blower fan; 307, exhaust outlet; 308, combustion chamber; 309, expansion drum; 310, water pump; 311, gas ratio valve; 312, water inlet; 313, air inlet;
4, control assembly;
5, earth source heat pump assembly; 51, earth source heat pump unit; 52, ground source heat water-circulating pump; 53, source cold water circulation pump; 54, buried pipe network; 510, compressor; 511, condenser; 512, throttling arrangement; 513, evaporimeter;
6, inlet pipeline; 61, safety valve; 7, water end; 8, hot water gatherer; 9, waste heat switch.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, present embodiment provides a kind of geothermal source and combustion gas combined type heating system, mainly comprises attemperater assembly 1, burnt gas wall hanging furnace assembly 3, heating loop assembly 2, earth source heat pump assembly 5, control assembly 4, inlet pipeline 6, water end 7, hot water gatherer 8 and waste heat switch 9.
As shown in Figure 2, attemperater assembly 1 comprises the housing that is made of inner water tank 18, tank shell 103, tank upper cover 17, water tank lower cover 104 and water tank footing 105, wherein tank shell 103 is socketed on outside the inner water tank 18, and is filled with insulation bubble material 101 between the two with 18 insulations of feed-tank inner bag.Inner water tank 18 is enamel or stainless steel, can high pressure resistant and corrosion.In order to prevent from corroding inner water tank 18, also be set with magnesium rod 102 on the inner water tank 18, magnesium rod 102 stretches to inner water tank 18 inside, prevents the inner water tank corrosion by principle of cathodic protection, reaches to prolong the water tank effect in service life.
Water outlet tube head 16 connects water end 7, hot water gatherer 8 arranges corresponding to water terminal 7, be used for to collect from water terminal 7 and flow out the hot water after using and it is delivered to waste heat switch 9, and inlet pipeline 6 passes the water inlet tube head 11 that waste heat switch 9 connects on the inner water tank 18, cold water can carry out preheating by the hot water that is recovered in the waste heat switch 9 before entering inner water tank 18 again, improve inflow temperature, when particularly winter, inflow temperature was low, effect was obvious.Because attemperater is press-bearing water tank, at inlet pipeline 6 safety valve 61 is installed, and plays the pressure release effect, prevents hypertonia in the water tank heating process.
Burnt gas wall hanging furnace assembly 3, heating loop assembly 2, earth source heat pump assembly 5 all are electrically connected control assembly 4.Control assembly 4 generally comprises controller mainboard, controller housing, holding wire etc., when work, mode by manual direct control button is sent instruction to control assembly 4, control assembly 4 is passed to the automatically controlled plate of corresponding assembly in the heating system with instruction, and automatically controlled plate is carried out corresponding control action and finished required function.In the present embodiment, inner water tank 18 bottoms are provided with first temperature sensor 13, top is provided with second temperature sensor 19, two sensors detects the water temperature on water tank bottom and top respectively, temperature value offers control assembly, and control assembly is controlled the unlatching of earth source heat pump assembly and burnt gas wall hanging furnace assembly respectively according to the comparison of corresponding water temperature and respective settings value or closed.
This system combined operation principle is: do not have at the earth source heat pump assembly under the situation of fault, the water in the water tank all is to be heated by the earth source heat pump assembly; When heating, by the heating coil at water tank middle part, absorb the heat in the water tank, thereby the room is heated; When bath water, the hot water on direct water tank top.The shortage of heat of local source heat pump is when providing heat supply, heating, and the burnt gas wall hanging furnace assembly is opened, to the water tank heating that circulates; Perhaps earth source heat pump assembly and burnt gas wall hanging furnace assembly can heat the water in the water tank simultaneously; Simultaneously, utilize waste-heat recovery device, collect the secondary hot water, improve inflow temperature, reduce the power of whole heating heat supply, realize Combination application and the energy-saving effect of heat supply heating.
Adopt the advantage of such scheme to be: 1, when one group of thermal source unit breaks down, can not influence normal heating heat demand; 2, this combined system adopts earth source heat pump and combustion gas to use as thermal source complementary, and according to its coil pipe position of each heat sources reasonable Arrangement, hydromining in the water tank is got the mode that segmentation is heated, also carry out waste heat recovery in addition, can improve the efficiency of rate of energy and unit; 3, meet the energy-conserving and environment-protective requirement that country advocates, use the high unit combination of energy utilization rate as far as possible.
Introduce the structure of each thermal source and heating loop assembly more one by one below in conjunction with accompanying drawing.
At first consult Fig. 3, in the present embodiment, described burnt gas wall hanging furnace assembly 3 comprises burnt gas wall hanging furnace and heat-transfer working medium; Burnt gas wall hanging furnace comprises shell structure 303, be provided with combustion chamber 308 in the shell structure 303, be provided with heat exchanger 304 in the combustion chamber 308, be provided with delivery port 301 and water inlet 312 communicatively with this heat exchanger 304 on the shell structure 303, wherein the pipeline that is connected with heat exchanger 304 of water inlet 312 is provided with water pump 310, delivery port 301 and water inlet 312 is used for being connected the combustion gas coil pipe 15 of attemperater assembly 1, thereby make heat exchanger 304 and combustion gas coil pipe 15 constitute the closed circuit that flows for heat-transfer working medium, the power that water pump 310 then provides heat-transfer working medium to flow.During work, combustion gas enters combustion chamber 308 burning through air inlet 313 and produces heats, and the heat-transfer working medium in the reheat heat exchanger 304, water pump 310 make heat-transfer working medium cycle through combustion gas coil pipe 15 and water in the heating water tank inner bag 18.Heat-transfer working medium can be freezing liquid or water.
Because variations in temperature is bigger in the burnt gas wall hanging furnace, for compensatory pressure changes, also be provided with expansion drum 309 in the shell structure 303 of burnt gas wall hanging furnace, expansion drum 309 is positioned at outside the combustion chamber 308, and is connected with the working medium closed circuit.
Please consult Fig. 1 and Fig. 4 simultaneously, in the present embodiment, earth source heat pump assembly 5 comprise earth source heat pump unit 51, ground source heat water-circulating pump 52, source cold water circulation pump 53, buried pipe network 54.Earth source heat pump unit 51 comprises first closed circuit of the confession flow of refrigerant that is made of compressor 510, condenser 511, throttling arrangement 512 and evaporimeter 513; Wherein, respectively there are two streams condenser 511 and evaporimeter 513 inside, be respectively for the refrigerant flow path of described flow of refrigerant and the heat-transfer working medium stream that flows for heat-transfer working medium, separate between two streams, make cold-producing medium and heat-transfer working medium between two streams can carry out heat exchange but be separated with the heat conduction good metal.
Buried pipe network 54 constitutes second closed circuit that flows for first heat-transfer working medium by the heat-transfer working medium stream that pipeline connects evaporimeter 513, described first heat-transfer working medium heats cold-producing medium in evaporimeter 513, source, ground cold water circulation pump 53 is arranged in this second closed circuit, and the power of first heat-transfer working medium circulation is provided.
Ground source tray pipe 12 in the attemperater assembly 1 constitutes the 3rd closed circuit that flows for second heat-transfer working medium by the heat-transfer working medium stream that pipeline connects described condenser 511, the heat of described second heat-transfer working medium absorption refrigeration agent in condenser 511 also heats the water in the described inner water tank 19 in ground source tray pipe 12, described ground source heat water-circulating pump 52 is arranged in the 3rd closed circuit, and the power of second heat-transfer working medium circulation is provided.
The operation principle of this earth source heat pump assembly 5 is: compressor 510 starts, compression comes the low-temperature refrigerant gas of flash-pot 513, from 510 mouthfuls of gases of discharging HTHP of compressor, after condenser 511 heat releases, cold-producing medium becomes the liquid of temperature in the high pressure, passes through throttling arrangement 512 afterwards, and cold-producing medium becomes the liquid of low-temp low-pressure, thereby enter the gas that evaporimeter 513 heat absorptions become low-temp low-pressure, gas is sucked back by compressor 510 and finishes a circulation.Wherein, cold-producing medium absorbs heat in the evaporimeter 513 from first heat-transfer working medium, particularly, and by the operation of source, ground cold water circulation pump 53, first heat-transfer working medium in the buried pipe network 54 enters in the evaporimeter 513, absorbed heat by the cold-producing medium in the evaporimeter 513, first heat-transfer working medium low by the temperature after absorbing heat flows out from evaporimeter 513, and flows in buried pipe network 54 loops, the heat that absorption tube is outer, temperature constantly rises, and enters evaporimeter 513 at last again, constantly circulation.The heat of cold-producing medium then is used for the water of heat tracing water tank assembly 1 in the condenser 511, particularly, the cold-producing medium of HTHP is released into heat in second heat-transfer working medium at condenser 511, operation by ground source heat water-circulating pump 52, the second higher heat-transfer working medium of temperature enters the ground source tray pipe 12 that is arranged in attemperater assembly 1, with water heating in the attemperater assembly 1, then second heat-transfer working medium enters in the condenser 511 from cold-producing medium heat absorption, constantly circulation again.
First heat-transfer working medium and second heat-transfer working medium can be anti-icing fluid or water.
Consult Fig. 1, the heating loop assembly 2 of present embodiment comprises floor heating coil pipe 21, heating circulation pump 22 and three-temperature sensor 23.Heating coil 14 in floor heating coil pipe 21 and the attemperater assembly 1 is connected by pipeline, and described heating circulation pump 22 is set on connecting line; Heating circulation pump 22 and three-temperature sensor 23 are electrically connected described control assembly 4.Three-temperature sensor 23 is for detection of indoor temperature, and when when control assembly 4 arranges heating mode, according to the heating temperature of indoor temperature and setting, heating circulation pump 22 optionally starts or closes, thereby the room is heated.Floor heating coil pipe 21 in the present embodiment can also replace with radiator, specifically chooses according to the heating demand.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (9)
1. a geothermal source and combustion gas combined type heating system, it is characterized in that, comprise attemperater assembly, burnt gas wall hanging furnace assembly, heating loop assembly, earth source heat pump assembly, control assembly, inlet pipeline, water end, hot water gatherer and waste heat switch;
Described attemperater assembly comprises inner water tank, and inner water tank bottom and top are respectively equipped with into water tube head and water outlet tube head, and inner water tank inside is disposed with combustion gas coil pipe, heating coil and ground source tray pipe from top to bottom between water outlet tube head and water inlet tube head; Described combustion gas coil pipe connects described burnt gas wall hanging furnace assembly, and described heating coil connects described heating loop assembly, and described ground source tray pipe connects described earth source heat pump assembly;
Described water outlet tube head connects described water end, and described hot water gatherer be used for to be collected from water is terminal and flowed out the hot water after using and it is delivered to described waste heat switch, and described inlet pipeline passes described waste heat switch and is connected to described water inlet tube head;
Described burnt gas wall hanging furnace assembly, heating loop assembly, earth source heat pump assembly all are electrically connected described control assembly.
2. geothermal source according to claim 1 and combustion gas combined type heating system, it is characterized in that: described burnt gas wall hanging furnace assembly comprises burnt gas wall hanging furnace, heat-transfer working medium; Described burnt gas wall hanging furnace comprises combustion chamber, heat exchanger, water pump and electrical control module; Described heat exchanger is positioned at described combustion chamber, and the combustion gas coil pipe in heat exchanger and the described attemperater assembly connects and composes the closed circuit that flows for described heat-transfer working medium by pipeline, and described water pump is arranged on this closed circuit; Described water pump is electrically connected described electrical control module, and the electrical control module is electrically connected described control assembly.
3. geothermal source according to claim 2 and combustion gas combined type heating system is characterized in that: described electrical control module comprises the blast switch that starts described water pump for the blower fan of giving described exhaust combustion chamber, when being used in the combustion chamber for negative pressure state, be used for gas ratio valve that behind starting mode of pump control enters gas quantity in the combustion chamber, for detection of flue gas and under abnormal conditions control cut off the flue gas inductive switch of gas ratio valve; Described blast switch is electrically connected described water pump and gas ratio valve, and described flue gas inductive switch is electrically connected described gas ratio valve.
4. geothermal source according to claim 1 and combustion gas combined type heating system is characterized in that: described earth source heat pump assembly comprise earth source heat pump unit, ground source heat water-circulating pump, source cold water circulation pump, buried pipe network;
Described earth source heat pump unit comprises first closed circuit of the confession flow of refrigerant that is made of compressor, condenser, throttling arrangement and evaporimeter; Described buried pipe network connects described evaporimeter by pipeline and constitutes second closed circuit that flows for first heat-transfer working medium, and to the cold-producing medium heating, source, described ground cold water circulation pump is arranged in this second closed circuit described first heat-transfer working medium in evaporimeter; Described ground source tray pipe connects described condenser by pipeline and constitutes the 3rd closed circuit that flows for second heat-transfer working medium, the heat of described second heat-transfer working medium absorption refrigeration agent in condenser also heats the water in the described inner water tank in ground source tray pipe, and described ground source heat water-circulating pump is arranged in the 3rd closed circuit;
Described compressor, ground source heat water-circulating pump, the source cold water circulation pump all be electrically connected described control assembly.
5. geothermal source according to claim 4 and combustion gas combined type heating system, it is characterized in that: described first heat-transfer working medium and described second heat-transfer working medium are anti-icing fluid or water.
6. geothermal source according to claim 1 and combustion gas combined type heating system is characterized in that: described heating loop assembly comprises circulating pump, floor heating coil pipe or radiator, for detection of the temperature sensor of indoor temperature; Described floor heating coil pipe or radiator are connected by pipeline with heating coil in the described attemperater assembly, and described circulating pump is set on connecting line; Described circulating pump and described temperature sensor are electrically connected described control assembly.
7. according to each described geothermal source of claim 1-6 and combustion gas combined type heating system, it is characterized in that: described inner water tank is enamel or stainless steel; Inner water tank is socketed with tank shell outward, is filled with insulation bubble material between tank shell and the inner water tank.
8. according to each described geothermal source of claim 1-6 and combustion gas combined type heating system, it is characterized in that: on the described inlet pipeline safety valve is installed.
9. according to each described geothermal source of claim 1-6 and combustion gas combined type heating system, it is characterized in that: described ground source tray pipe, combustion gas coil pipe, heating coil material are gapless stainless steel tube or fin stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054416 CN203177284U (en) | 2013-01-31 | 2013-01-31 | Terrestrial heat source and gas combined type heating supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054416 CN203177284U (en) | 2013-01-31 | 2013-01-31 | Terrestrial heat source and gas combined type heating supply system |
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| CN203177284U true CN203177284U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320054416 Expired - Fee Related CN203177284U (en) | 2013-01-31 | 2013-01-31 | Terrestrial heat source and gas combined type heating supply system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN108105845A (en) * | 2017-12-26 | 2018-06-01 | 侯树磊 | A kind of intelligent constant-temperature adjusts wall-hung boiler heat collector |
| CN110250790A (en) * | 2019-05-30 | 2019-09-20 | 湖南达道新能源开发有限公司 | A kind of temp.-controlled bed based on shallow layer surface heat energy technology |
| CN113390204A (en) * | 2021-07-13 | 2021-09-14 | 成黎明 | Air source triple heat supply pump |
-
2013
- 2013-01-31 CN CN 201320054416 patent/CN203177284U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN108105845A (en) * | 2017-12-26 | 2018-06-01 | 侯树磊 | A kind of intelligent constant-temperature adjusts wall-hung boiler heat collector |
| CN110250790A (en) * | 2019-05-30 | 2019-09-20 | 湖南达道新能源开发有限公司 | A kind of temp.-controlled bed based on shallow layer surface heat energy technology |
| CN113390204A (en) * | 2021-07-13 | 2021-09-14 | 成黎明 | Air source triple heat supply pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20180131 |