CN211458228U - Heat supply system of greenhouse for flower planting - Google Patents
Heat supply system of greenhouse for flower planting Download PDFInfo
- Publication number
- CN211458228U CN211458228U CN201922304041.0U CN201922304041U CN211458228U CN 211458228 U CN211458228 U CN 211458228U CN 201922304041 U CN201922304041 U CN 201922304041U CN 211458228 U CN211458228 U CN 211458228U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 358
- 238000009826 distribution Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model provides a greenhouse's heating system for flower planting, include: the hot water boiler, the water feeding tank, the water feeding pipe, the heat supply unit arranged in the greenhouse for flower planting, the water return pipe, the water return tank and the water distribution pipe. The entry intercommunication boiler's of upper flume delivery port, the delivery port of upper flume's entry intercommunication upper flume, the exit end of the upper water end intercommunication upper flume of heat supply unit, the return water end of the entry end intercommunication heat supply unit of return water pipe spare, the entry intercommunication return water pipe spare exit end of return water tank, and export intercommunication boiler's water inlet, the entry intercommunication return water pipe spare of distribution pipe spare, and export intercommunication upper flume spare. The backwater with lower temperature after heat exchange is mixed with the upper water with higher temperature generated by the hot water boiler to prepare the temperature-adjusting water with the temperature meeting the use requirement, so that the temperature of the upper water can be conveniently adjusted, the hot water boiler can be kept to operate at the best heating efficiency, the energy consumption is reduced, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of flower planting facility, concretely relates to warmhouse booth's heating system for flower planting.
Background
The fine planting process of flowers needs to accurately control the environment in planting facilities, particularly the temperature and humidity environment, so that the flowers are always in the best growing environment. The temperature in the facility is controlled by means of forced ventilation in summer and hot water tracing in winter.
In the prior art, hot water is mostly generated by a hot water boiler to meet the heat exchange requirement in the flower planting facility. However, especially in northern areas, climates are variable, the temperature difference between day and night is large, and in order to meet the heat supply requirement in facilities, the heating efficiency of the hot water boiler must be adjusted constantly to generate hot water with different temperatures, which causes the hot water boiler to be difficult to operate under the optimal heating efficiency, or to operate under low load for a long time or operate under high load for a short time, thus causing energy waste.
Disclosure of Invention
In view of this, the utility model provides a greenhouse heating system for flower planting to solve exist among the prior art for flower planting facility heat supply in-process, boiler is difficult to move under the best efficiency, causes the extravagant technical problem of the energy.
The utility model provides a technical scheme that its technical problem adopted is:
a heating system of a greenhouse for flower planting, comprising:
a hot water boiler;
the inlet of the water feeding tank is communicated with the water outlet of the hot water boiler;
the inlet of the water feeding pipe is communicated with the water outlet of the water feeding groove;
the heat supply unit is arranged in the greenhouse for flower planting, and the water supply end of the heat supply unit is communicated with the outlet end of the water supply pipe;
the inlet end of the water return pipe is communicated with the water return end of the heat supply unit;
the inlet of the water return tank is communicated with the outlet end of the water return pipe, and the outlet of the water return tank is communicated with the water inlet of the hot water boiler; and
and the inlet of the water distribution pipe is communicated with the water return pipe, and the outlet of the water distribution pipe is communicated with the water feeding pipe.
Preferably, the water supply pipe is provided with a water supply temperature adjusting three-way valve, the water supply temperature adjusting three-way valve is provided with a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the water supply pipe, and the second inlet end is communicated with the outlet of the water distribution pipe.
Preferably, the heat supply unit comprises a roof high-temperature heat supply device arranged at the top of the greenhouse for flower planting and a bottom low-temperature heat supply device arranged at the bottom of the greenhouse for flower planting; the water feeding pipe comprises a high-temperature water feeding pipe and a low-temperature water feeding pipe; the water return pipe piece comprises a high-temperature water return pipe and a low-temperature water return pipe; the water distribution pipe comprises a high-temperature water distribution pipe and a low-temperature water distribution pipe; the inlet of the high-temperature water supply pipe is communicated with the water supply tank, the water supply end of the shed roof high-temperature heat supply device is communicated with the outlet of the high-temperature water supply pipe, the inlet of the high-temperature water return pipe is communicated with the water return end of the shed roof high-temperature heat supply device, the outlet of the high-temperature water return pipe is communicated with the water return tank, the inlet of the high-temperature water distribution pipe is communicated with the high-temperature water return pipe, and the outlet of the high-temperature water distribution pipe is communicated; the inlet of the low-temperature water feeding pipe is communicated with the water feeding groove, the water feeding end of the low-temperature heat supply device at the bottom of the greenhouse is communicated with the outlet of the low-temperature water feeding pipe, the inlet of the low-temperature water return pipe is communicated with the water return end of the high-temperature heat supply device at the top of the greenhouse, the outlet of the low-temperature water return pipe is communicated with the water return groove, the inlet of the low-temperature water distribution pipe is communicated with the low-temperature water return pipe, and the outlet of the.
Preferably, a first temperature-adjusting three-way valve is arranged on the high-temperature water supply pipe, and the first temperature-adjusting three-way valve is provided with a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the high-temperature water supply pipe, and the second inlet end is communicated with an outlet of the high-temperature water distribution pipe.
Preferably, a second temperature-adjusting three-way valve is arranged on the low-temperature water supply pipe, and the second temperature-adjusting three-way valve is provided with a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the low-temperature water supply pipe, and the second inlet end is communicated with an outlet of the low-temperature water distribution pipe.
Preferably, the hot water boiler is provided with a high-level hard removing groove, a water inlet of the high-level hard removing groove is communicated with an outlet of the water return groove, and a water outlet of the high-level hard removing groove is communicated with a water inlet of the hot water boiler.
Preferably, the water temperature adjusting three-way valve is an electric three-way adjusting valve.
Preferably, the water supply pipe is provided with a water supply temperature sensor, and the return pipe is provided with a return water temperature sensor.
Preferably, the heating system of the greenhouse for flower planting further comprises a central controller, wherein the input end of the central controller is electrically connected with the water supply temperature sensor and the water return temperature sensor, and the output end of the central controller is electrically connected with the electric actuating mechanism of the water supply temperature adjusting three-way valve.
According to the above technical scheme, the utility model provides a greenhouse's heating system for flower planting, its beneficial effect is: set up water distribution pipe spare, will return water pipe spare with go up water pipe spare intercommunication to utilize through the lower return water of the later temperature of heat transfer with by the higher last water mixing of temperature that hot water boiler produced prepares the temperature and satisfies operation requirements's accent temperature water, so, be convenient for adjust the temperature of water on the one hand, satisfy flower planting and use warmhouse booth's heat supply demand, on the other hand makes hot water boiler maintains the operation under best heating efficiency all the time, thereby reduces hot water boiler's energy resource consumption by a wide margin, reduces production running cost.
Drawings
Fig. 1 is a schematic view of a pipeline connection of a heating system of a greenhouse for flower planting in one embodiment.
Fig. 2 is a schematic view illustrating a pipe connection of a heating system of a greenhouse for flower planting in accordance with still another embodiment.
Fig. 3 is a schematic view illustrating a control principle of a heating system of a greenhouse for flower planting in still another embodiment.
In the figure: the heat supply system 10 of the greenhouse for flower planting, the hot water boiler 100, the high-level de-hardening tank 110, the water feeding tank 200, the water feeding pipe 300, the high-temperature water feeding pipe 310, the low-temperature water feeding pipe 320, the heat supply unit 400, the roof high-temperature heat supply device 410, the roof bottom low-temperature heat supply device 420, the water return pipe 500, the high-temperature water return pipe 510, the low-temperature water return pipe 520, the water return tank 600, the water distribution pipe 700, the high-temperature water distribution pipe 710, the low-temperature water distribution pipe 720, the water feeding temperature adjusting three-way valve 800, the first temperature adjusting three-way valve 810, the second temperature adjusting three-way valve 820, the water feeding temperature sensor 301.
Detailed Description
The following combines the drawings of the utility model to further elaborate the technical scheme and technical effect of the utility model.
Referring to fig. 1, in an embodiment, a heat supply system 10 of a greenhouse for flower planting is used for providing a suitable heat supply for the greenhouse for flower planting so as to finely adjust the temperature of the greenhouse for flower planting. The heating system 10 of the greenhouse for flower planting comprises: a hot water boiler 100, a water supply tank 200, a water supply pipe 300, a heat supply unit 400 provided in the greenhouse for flower planting, a water return pipe 500, a water return tank 600, and a water distribution pipe 700. The upper water tank 200 is communicated with the hot water boiler 100, that is, an inlet of the upper water tank 200 is connected to a water outlet of the hot water boiler 100 through a pipeline. The entry intercommunication of water pipe spare 300 the delivery port of last basin 200, the last water end intercommunication of heating unit 400 the exit end of water pipe spare 300 is gone up, the entry end intercommunication of return water pipe spare 500 the return water end of heating unit 400, the entry intercommunication of return water tank 600 the exit end 500 of return water pipe spare, and export intercommunication boiler, the entry intercommunication of water distribution pipe spare 700 return water pipe spare 500, and export intercommunication water pipe spare 300.
The hot water boiler 100 maintains the optimal heating efficiency, the generated high temperature water enters the upper water tank 200 to be stored, the high temperature hot water stored in the upper water tank 200 is heat-exchanged with part of the low temperature water returned by the water return pipe 500 after being heat-exchanged by the heat supply unit 400 disposed in the greenhouse for flower planting, and then the temperature-adjusted water is generated to meet the required temperature of the greenhouse for flower planting (it can be known that the temperature of the temperature-adjusted water is lower than the high temperature water generated by the hot water boiler 100 and higher than the low temperature water returned by the water return pipe 500). The generated temperature-regulated water is transferred to the heat supply unit 400 through the water supply pipe 300, heat is supplied to the greenhouse for flower planting, the temperature in the greenhouse for flower planting is regulated, the low-temperature water with lower temperature after heat exchange returns through the water return pipe 500, a part of the low-temperature water returns to the water return tank 600, and a part of the low-temperature water is mixed with the high-temperature water through the water distribution pipe 700 to prepare the temperature-regulated water. Firstly, the preparation process of the temperature-adjusting water is a mixing process of high-temperature water and low-temperature water, the temperature-adjusting water can be quickly prepared, the temperature of the temperature-adjusting water can be accurately adjusted conveniently, and further the fine adjustment of the temperature of the greenhouse for flower planting is realized. Secondly, the temperature-adjusting water is prepared by mixing high-temperature water and low-temperature water, at the moment, the temperature-adjusting water can be rapidly configured only by adjusting the flow ratio of the high-temperature water and the low-temperature water, and the temperature of the high-temperature water does not need to be adjusted or adjusted frequently, so that the hot water boiler 100 can work under the condition of maintaining the optimal heating efficiency, the service life of the hot water boiler 100 is effectively prolonged, the energy consumption is effectively reduced, energy is saved, emission is reduced, and the cost is reduced.
In order to facilitate the adjustment of the flow rates of the high-temperature water and the low-temperature return water, the precise temperature control is realized according to the temperature requirement of the greenhouse for flower planting, and the water supply pipe 300 and the water distribution pipe 700 may be provided with flow rate adjusting valves. Preferably, in an embodiment, the water feeding pipe 300 is provided with a water feeding temperature adjusting three-way valve 800, the water feeding temperature adjusting three-way valve 800 has a first inlet end, a second inlet end and an outlet end, the first inlet end and the second outlet end are communicated with the water feeding pipe 300, and the second inlet end is communicated with the outlet of the water distribution pipe 700. The water temperature adjusting three-way valve 800 is an electric three-way adjusting valve, so that the flow of high-temperature water and low-temperature return water is adjusted by adjusting the opening degrees of the first inlet end and the second inlet end, the temperature adjusting water with different temperatures is obtained, the use is convenient, and the using amount of instruments is reduced. Meanwhile, high-temperature water and low-temperature return water are mixed by the upper water temperature adjusting three-way valve 800, turbulence is formed in the valve chamber of the upper water temperature adjusting three-way valve 800, and mixing of the high-temperature water and the low-temperature return water is accelerated, so that the temperature of the accurate temperature adjusting water can be detected, and accurate temperature control is realized.
Referring to fig. 2 together, in another embodiment, the heat supply unit 400 includes a roof high-temperature heat supply device 410 disposed at the top of the greenhouse for flower planting and a floor low-temperature heat supply device 420 disposed at the bottom of the greenhouse for flower planting. The shed roof high-temperature heat supply device 410 and the shed bottom low-temperature heat supply device 420 are respectively provided with an independent upper water return passage. For example, the water supply pipe 300 includes a high temperature water supply pipe 310 and a low temperature water supply pipe 320, the water return pipe 500 includes a high temperature water return pipe 510 and a low temperature water return pipe 520, and the water distribution pipe 700 includes a high temperature water distribution pipe 710 and a low temperature water distribution pipe 720. The inlet of the high-temperature water supply pipe 310 is communicated with the water supply tank 200, the water supply end of the shed roof high-temperature heat supply device 410 is communicated with the outlet of the high-temperature water supply pipe 310, the inlet of the high-temperature water return pipe 510 is communicated with the water return end of the shed roof high-temperature heat supply device 410, the outlet of the high-temperature water return pipe is communicated with the water return tank 600, the inlet of the high-temperature water distribution pipe 710 is communicated with the high-temperature water return pipe 510, and the outlet of the high-temperature water supply pipe 310 is communicated with. The high-temperature water produced by the hot water boiler 100 is mixed with the higher return water of the temperature returned after the heat exchange is carried out by the shed top high-temperature heat supply device 410 to form the higher temperature-regulated water, so that the higher heat requirement is provided for the shed top high-temperature heat supply device 410, and the temperature of the shed top of the greenhouse for flower planting is improved.
The inlet of the low-temperature water supply pipe 320 is communicated with the water supply tank 200, the water supply end of the low-temperature heat supply device 420 at the bottom of the shed is communicated with the outlet of the low-temperature water supply pipe 320, the inlet of the low-temperature water return pipe 520 is communicated with the water return end of the low-temperature heat supply device 420 at the bottom of the shed, the outlet of the low-temperature water return pipe is communicated with the water return tank 600, the inlet of the low-temperature water distribution pipe 720 is communicated with the low-temperature water return pipe 520, and the outlet of. The high-temperature water produced by the hot water boiler 100 is mixed with the lower return water of the temperature returned after the heat exchange is carried out by the low-temperature heat supply device 420 at the bottom of the greenhouse, so that the temperature-adjusting water with the lower temperature is formed, the heat meeting the requirements is provided for the low-temperature heat supply device 420 at the bottom of the greenhouse, and the temperature of the bottom of the greenhouse for flower planting is improved.
Further, a first temperature-regulating three-way valve 810 is arranged on the high-temperature water supply pipe 310, the first temperature-regulating three-way valve 810 is provided with a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the high-temperature water supply pipe 310, the second inlet end is communicated with the outlet of the high-temperature water distribution pipe 710, so that the flow of the high-temperature water supply pipe 310 and the flow of the high-temperature return water of the high-temperature water distribution pipe 710 are controlled through the first temperature-regulating three-way valve 810, and the high-temperature water-regulating water for the high-temperature heat supply.
Further, a second temperature-adjusting three-way valve 820 is arranged on the low-temperature water supply pipe 320, the second temperature-adjusting three-way valve 820 has a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the low-temperature water supply pipe 320, the second inlet end is communicated with the outlet of the low-temperature water distribution pipe 720, so that the flow rates of the high-temperature water of the low-temperature water supply pipe 320 and the low-temperature return water of the low-temperature water distribution pipe 720 are controlled through the second temperature-adjusting three-way valve 820, and the low-temperature-adjusting water for the low-temperature heat supply device 420 at.
In an embodiment, the hot water boiler 100 is provided with a high-level hardness removing tank 110, a water inlet of the high-level hardness removing tank 110 is communicated with an outlet of the water returning tank 600, and a water outlet of the high-level hardness removing tank 110 is communicated with a water inlet of the hot water boiler 100. Boiler water return water that return water tank 600 was collected firstly gets into in the high-order removes hard groove 110, get rid of wherein enriched calcium magnesium ion, reduce hardness, then flow automatically get into in the hot water boiler 100, prevent long-term operation in-process the scale deposit in hot water boiler 100 and pipeline, the equipment leads to the hot water boiler thermal efficiency descends, the pipeline blocks up, heat exchange efficiency reduces scheduling problem.
In order to realize industrial automatic control, improve the convenience of operation, and reduce the labor intensity of the operator, please refer to fig. 3, in an embodiment, a water supply temperature sensor 301 is disposed on the water supply pipe 300 to monitor the temperature of the supplied water after temperature adjustment, and a return water temperature sensor 501 is disposed on the return water pipe 500 to monitor the return water temperature, so as to guide the operator to adjust the supplied water temperature according to the supplied water temperature, the return water temperature, and the high temperature water temperature.
Further, the heating system 10 of the greenhouse for flower planting further includes a central controller 900, an input end of the central controller 900 is electrically connected to the upper water temperature sensor 301 and the return water temperature sensor 501, and an output end of the central controller 900 is electrically connected to the electric actuator of the upper water temperature adjusting three-way valve 800. The central controller 900 controls the opening of the water supply temperature adjusting three-way valve 800 according to the detected water supply temperature and return temperature, adjusts the flow rates of the high-temperature water and the low-temperature return water, and accurately controls the water supply temperature to the heat supply unit 400.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a greenhouse booth's heating system for flower planting which characterized in that includes:
a hot water boiler;
the inlet of the water feeding tank is communicated with the water outlet of the hot water boiler;
the inlet of the water feeding pipe is communicated with the water outlet of the water feeding groove;
the heat supply unit is arranged in the greenhouse for flower planting, and the water supply end of the heat supply unit is communicated with the outlet end of the water supply pipe;
the inlet end of the water return pipe is communicated with the water return end of the heat supply unit;
the inlet of the water return tank is communicated with the outlet end of the water return pipe, and the outlet of the water return tank is communicated with the water inlet of the hot water boiler; and
and the inlet of the water distribution pipe is communicated with the water return pipe, and the outlet of the water distribution pipe is communicated with the water feeding pipe.
2. The heating system of a greenhouse for flower planting as claimed in claim 1, wherein the water supply pipe is provided with a water supply temperature adjusting three-way valve having a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are connected to the water supply pipe, and the second inlet end is connected to the outlet of the water distribution pipe.
3. The heating system of the greenhouse for flower planting as claimed in claim 1, wherein the heating unit includes a ceiling high temperature heating apparatus provided at a top of the greenhouse for flower planting and a bottom low temperature heating apparatus provided at a bottom of the greenhouse for flower planting; the water feeding pipe comprises a high-temperature water feeding pipe and a low-temperature water feeding pipe; the water return pipe piece comprises a high-temperature water return pipe and a low-temperature water return pipe; the water distribution pipe comprises a high-temperature water distribution pipe and a low-temperature water distribution pipe;
the inlet of the high-temperature water supply pipe is communicated with the water supply tank, the water supply end of the shed roof high-temperature heat supply device is communicated with the outlet of the high-temperature water supply pipe, the inlet of the high-temperature water return pipe is communicated with the water return end of the shed roof high-temperature heat supply device, the outlet of the high-temperature water return pipe is communicated with the water return tank, the inlet of the high-temperature water distribution pipe is communicated with the high-temperature water return pipe, and the outlet of the high-temperature water distribution pipe is communicated;
the inlet of the low-temperature water feeding pipe is communicated with the water feeding groove, the water feeding end of the low-temperature heat supply device at the bottom of the greenhouse is communicated with the outlet of the low-temperature water feeding pipe, the inlet of the low-temperature water return pipe is communicated with the water return end of the high-temperature heat supply device at the top of the greenhouse, the outlet of the low-temperature water return pipe is communicated with the water return groove, the inlet of the low-temperature water distribution pipe is communicated with the low-temperature water return pipe, and the outlet of the.
4. The heating system of a greenhouse for flower planting as claimed in claim 3, wherein the high temperature water supply pipe is provided with a first temperature-adjusting three-way valve having a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are connected to the high temperature water supply pipe, and the second inlet end is connected to the outlet of the high temperature water distribution pipe.
5. The heating system of a greenhouse for flower planting as claimed in claim 3 or 4, wherein the low temperature water supply pipe is provided with a second temperature-adjusting three-way valve having a first inlet end, a second inlet end and an outlet end, the first inlet end and the outlet end are communicated with the low temperature water supply pipe, and the second inlet end is communicated with the outlet of the low temperature water distribution pipe.
6. The heating system of a greenhouse for flower planting as claimed in claim 1, wherein the hot water boiler is provided with a high-level de-hardening tank, a water inlet of the high-level de-hardening tank is communicated with an outlet of the water returning tank, and a water outlet is communicated with a water inlet of the hot water boiler.
7. The heating system of a greenhouse for flower planting as claimed in claim 2, wherein the upper water temperature adjusting three-way valve is an electric three-way adjusting valve.
8. The heating system of a greenhouse for flower planting as claimed in claim 7, wherein the water supply pipe is provided with a water supply temperature sensor, and the water return pipe is provided with a water return temperature sensor.
9. The heating system of a greenhouse for flower planting as claimed in claim 8, further comprising a central controller, wherein an input end of the central controller is electrically connected to the upper water temperature sensor and the return water temperature sensor, and an output end of the central controller is electrically connected to an electric actuator of the upper water temperature adjusting three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304041.0U CN211458228U (en) | 2019-12-20 | 2019-12-20 | Heat supply system of greenhouse for flower planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304041.0U CN211458228U (en) | 2019-12-20 | 2019-12-20 | Heat supply system of greenhouse for flower planting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211458228U true CN211458228U (en) | 2020-09-11 |
Family
ID=72357968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922304041.0U Expired - Fee Related CN211458228U (en) | 2019-12-20 | 2019-12-20 | Heat supply system of greenhouse for flower planting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211458228U (en) |
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2019
- 2019-12-20 CN CN201922304041.0U patent/CN211458228U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |