CN212204707U - Greenhouse heating system - Google Patents
Greenhouse heating system Download PDFInfo
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- CN212204707U CN212204707U CN202020367451.XU CN202020367451U CN212204707U CN 212204707 U CN212204707 U CN 212204707U CN 202020367451 U CN202020367451 U CN 202020367451U CN 212204707 U CN212204707 U CN 212204707U
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Abstract
The utility model provides a heating system for a greenhouse, which relates to the technical field of heating equipment and comprises an input pipeline, an output pipeline, at least one heat dissipation pipeline and an internal circulation device; the heat dissipation pipeline is respectively connected with the input pipeline and the output pipeline; the internal circulation device comprises an air return inlet, an air supply device and at least one air supply outlet, the air return inlet is arranged at the top of the greenhouse, the air supply device enables air to enter the internal circulation device from the air return inlet and send the air into the greenhouse through the air supply outlet, and airflow circulation is formed in the greenhouse. The utility model provides an inner loop device has in the greenhouse heating system, inner loop device can make the air in the greenhouse enter into inner loop device from the return air inlet in to see off from the supply-air outlet, make the circulation that forms the air current in the greenhouse, thereby make the heat dissipation pipeline dissipate heat can even distribution in the greenhouse, make the more even of temperature in the greenhouse, and can improve the programming rate in greenhouse.
Description
Technical Field
The utility model belongs to the technical field of firing equipment's technique and specifically relates to a greenhouse heating system is related to.
Background
Be provided with heating system in present greenhouse, generally all inject into the radiator in the greenhouse through steam in, heat up through the radiator, general radiator all relies on the wall setting, leads to the temperature in the greenhouse, and the temperature from wall to greenhouse intermediate position reduces gradually, and the temperature distribution in the greenhouse is inhomogeneous, can not satisfy the problem that the material required to the temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a greenhouse heating system to solve the uneven technical problem of greenhouse heat distribution.
The utility model provides a heating system for a greenhouse, which comprises an input pipeline, an output pipeline, at least one heat dissipation pipeline and an internal circulation device;
the heat dissipation pipeline is respectively connected with the input pipeline and the output pipeline; the input pipeline is used for being connected with a steam supply system, steam enters the heat dissipation pipeline from the input pipeline, the steam passing through the heat dissipation pipeline enters the output pipeline, and the output pipeline sends the steam passing through the heat dissipation pipeline out of the greenhouse heat supply system;
the internal circulation device comprises an air return inlet, an air supply device and at least one air supply outlet, the air return inlet is arranged at the top of the greenhouse, the air supply device enables air to enter the internal circulation device from the air return inlet and send the air into the greenhouse through the air supply outlet, and airflow circulation is formed in the greenhouse.
Furthermore, a temperature measuring device used for measuring the temperature in the greenhouse is arranged on the outer wall of the greenhouse, a flow regulating valve is arranged on the input pipeline, and the flow regulating valve regulates the flow of the flow regulating valve according to the temperature measured by the temperature measuring device.
Furthermore, a first stop valve, a filter, a flow regulating valve and a second stop valve are sequentially arranged on the input pipeline along the flow direction of the steam, and first pressure gauges are arranged on two sides of the filter.
Furthermore, a first branch is arranged on the input pipeline, and two ends of the first branch are respectively connected with the input pipeline at the steam inlet end of the first stop valve and the steam outlet end of the second stop valve; and a third stop valve is arranged on the first branch.
Furthermore, a fourth stop valve, a drain valve and a fifth stop valve are sequentially arranged on the output pipeline along the flow direction of the steam.
And the two ends of the second branch are connected with the steam inlet end of the fourth stop valve and the steam outlet end of the fifth stop valve respectively through the output pipeline, and a sixth stop valve is arranged on the second branch.
Further, the first stop valve, the filter, the flow regulating valve, the second stop valve, the fourth stop valve, the drain valve and the fifth stop valve are all arranged outside the greenhouse.
And furthermore, a second pressure gauge and a second thermometer are arranged on the output pipeline, and a first thermometer used for measuring the temperature in the greenhouse is arranged on the outer wall of the greenhouse.
Further, the internal circulation device comprises a plurality of air supply outlets, the air return opening is formed in the middle of the upper portion of the greenhouse, and the air supply outlets are formed in the periphery of the air return opening.
Further, the heat dissipation pipeline sets up the interior wall surface in greenhouse the protection plate of the interior wall surface one side in greenhouse is kept away from to the heat dissipation pipeline be provided with the tripe wind gap that is used for the heat dissipation of heat dissipation pipeline on the protection plate.
The utility model provides an inner loop device has in the greenhouse heating system, inner loop device can make the air in the greenhouse enter into inner loop device from the return air inlet in to see off from the supply-air outlet, make the circulation that forms the air current in the greenhouse, thereby make the heat dissipation pipeline dissipate heat can even distribution in the greenhouse, make the more even of temperature distribution in the greenhouse, and can improve the programming rate in greenhouse.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a heating system of a greenhouse according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an internal circulation device of a heating system of a greenhouse according to an embodiment of the present invention;
fig. 3 is a schematic view of a heat dissipation pipeline of a heating system of a greenhouse provided by the embodiment of the present invention disposed in the greenhouse.
Icon: 100-input line; 200-an output pipeline; 300-a first branch; 400-heat dissipation pipeline; 500-air supply means; 600-air return; 700-air supply outlet; 800-a second branch; 900-protective plate; 110-a first stop valve; 120-a filter; 130-flow regulating valve; 140-a second stop valve; 150-a third stop valve; 160-temperature measuring device; 170-a first pressure gauge; 180-a first temperature gauge; 190-a fourth stop valve; 210-a trap; 220-a fifth stop valve; 230-a sixth stop valve; 240-a second pressure gauge; 250-second temperature table.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a heating system for a greenhouse, which includes an input pipeline 100, an output pipeline 200, at least one heat dissipation pipeline 400 and an internal circulation device;
the heat dissipation pipeline 400 is connected to the input pipeline 100 and the output pipeline 200 respectively; the input pipeline 100 is used for being connected with a steam supply system, steam enters the heat dissipation pipeline 400 from the input pipeline 100, the steam passing through the heat dissipation pipeline 400 enters the output pipeline 200, and the output pipeline 200 sends the steam passing through the heat dissipation pipeline 400 out of the greenhouse heat supply system;
the internal circulation device comprises an air return opening 600, an air supply device 500 and at least one air supply opening 700, wherein the air return opening 600 is arranged at the top of the greenhouse, the air supply device 500 enables air to enter the internal circulation device from the air return opening 600 and to be supplied into the greenhouse through the air supply opening 700, and airflow circulation is formed in the greenhouse.
In some embodiments, the heating system supplies heat to the greenhouse, and the steam supply device supplies steam into the heat dissipation pipeline 400 through the input pipeline 100, and dissipates heat in the greenhouse through the heat dissipation pipeline 400, so as to raise the indoor temperature of the greenhouse.
The air supply arrangement 500 of the internal circulation device makes the air in the greenhouse enter the internal circulation device from the air return opening 600 and send out from the air supply opening 700, so that the air in the greenhouse circulates, the temperature in the greenhouse is more uniform, and the rising speed of the temperature in the greenhouse is increased. The air supply device 500 may be a centrifugal fan.
The steam entering the input pipeline 100 is 0.5MPa steam, the heat dissipation pipeline 400 adopts smooth wall pipes, the pipe spacing of the smooth wall pipes is 200mm, and the nominal diameter of the common wall pipes is DN 80.
Based on the above embodiment, further, a temperature measuring device 160 for measuring the temperature in the greenhouse is disposed on the outer wall of the greenhouse, a flow regulating valve 130 is disposed on the input pipeline 100, and the flow regulating valve 130 regulates the flow of the flow regulating valve 130 according to the temperature measured by the temperature measuring device 160.
In some embodiments, the temperature measuring device 160 is disposed on an outer wall of the greenhouse, and although the temperature measuring device is disposed on the outer wall of the greenhouse, the temperature measuring device 160 is a temperature sensor, the temperature sensor transmits measured data to the flow regulating valve 130, the flow regulating valve 130 automatically regulates the flow of the flow regulating valve 130 according to the temperature sensor data, for example, the temperature in the greenhouse is set to 80 ℃, when the temperature in the greenhouse is lower than 80 ℃, the flow of the flow regulating valve 130 is increased, so that more steam enters the heat dissipation pipeline 400, and when the temperature in the greenhouse exceeds 80 ℃, the flow regulating valve 130 automatically regulates the flow, so that the temperature in the greenhouse does not rise any more.
Based on the above embodiments, further, the input pipeline 100 is sequentially provided with the first stop valve 110, the filter 120, the flow regulating valve 130 and the second stop valve 140 along the steam flowing direction, and both sides of the filter 120 are provided with the first pressure gauge 170.
The input line 100 is provided with a first shut-off valve 110, a filter 120, a flow rate control valve 130 and a second shut-off valve 140, and in order to better observe whether the filter 120 is clogged, whether the filter 120 is clogged or not and whether cleaning or maintenance is necessary is judged by comparing the magnitude of the pressure difference between first pressure gauges 170 at both ends of the filter 120, and generally the filter 120 is a Y-type filter.
Based on the above embodiment, further, the input pipeline 100 is provided with a first branch 300, and two ends of the first branch 300 are respectively connected to the input pipeline 100 and the steam inlet end of the first stop valve 110 and the steam outlet end of the second stop valve 140; and a third shut-off valve 150 is provided on the first branch 300.
The first branch 300 is provided with a third stop valve 150, and when the filter 120 needs to be repaired, the third stop valve 150 is opened and the first stop valve 110 and the second stop valve 140 are closed, so that the steam enters the heat dissipation pipe 400 through the first branch 300.
Based on the above embodiments, further, a fourth stop valve 190, a steam trap 210 and a fifth stop valve 220 are sequentially disposed on the output pipeline 200 along the steam flowing direction.
The fourth stop valve 190, the drain valve 210 and the fifth stop valve 220 are arranged on the output pipeline 200 along the steam flowing direction, condensed water on the output pipeline 200 can pass through the drain valve 210, steam is intercepted in the heat dissipation pipeline 400, the phenomenon that the steam is sent out through the output pipeline 200 without being condensed is avoided, the general output pipeline 200 is connected with a condensed water pipe, and the condensed water is guided out and reused.
Based on the above embodiment, further, the steam turbine further includes a second branch 800, two ends of the second branch 800 are respectively connected to the steam inlet end of the fourth stop valve 190 and the steam outlet end of the fifth stop valve 220 with the output pipeline 200, and a sixth stop valve 230 is disposed on the second branch 800.
When the drain valve 210 needs to be maintained, the fourth stop valve 190 and the fifth stop valve 220 are closed, so that loop steam condensate water flows through the second branch 800, and normal heating of the heating system of the greenhouse is realized; the sixth cut-off valve 230 is provided in the second branch 800, and the sixth cut-off valve 230 is normally closed, and the sixth cut-off valve 230 is opened when the second branch 800 is required to be accessed.
Based on the above embodiments, further, the first stop valve 110, the filter 120, the flow regulating valve 130, the second stop valve 140, the fourth stop valve 190, the drain valve 210, and the fifth stop valve 220 are all disposed outside the greenhouse.
In order to avoid scalding accidents, the first stop valve 110, the second stop valve 140, the third stop valve 150, the fourth stop valve 190, the fifth stop valve 220, the sixth stop valve 230 and the like are arranged outside the greenhouse.
Based on the above embodiment, further, the output pipeline 200 is provided with a second pressure gauge 240 and a second temperature gauge 250, and the outer wall of the greenhouse is provided with a first temperature gauge 180 for measuring the temperature in the greenhouse.
In some embodiments, a second pressure gauge 240 and a second temperature gauge 250 are disposed on the output pipeline 200 for better observing the temperature and pressure of the output pipeline 200, and a first temperature gauge 180 for measuring the temperature in the greenhouse is disposed on the outer wall of the greenhouse for more directly observing the temperature in the greenhouse.
Based on the above embodiment, further, the internal circulation device includes a plurality of air supply outlets 700, the air return opening 600 is disposed at the middle position of the upper portion of the greenhouse, and the plurality of air supply outlets 700 are disposed around the air return opening 600.
In order to make there be better air current circulation in the greenhouse, supply-air outlet 700 is close to the interior wall setting of greenhouse, the air current will be carried by the heat that heat dissipation pipeline 400 that the interior wall set up gived off, make its whole room that can better fill, the air current descends along the interior wall of greenhouse, move to the centre of greenhouse, enter into the internal circulation device from return air inlet 600 in, thereby realize the air current circulation in the greenhouse, be favorable to reducing the difference in temperature everywhere in the greenhouse, make the temperature everywhere in the greenhouse even, the material thermally equivalent.
As shown in fig. 3, based on the above embodiment, further, the heat dissipation pipeline 400 is disposed on the surface of the inner wall of the greenhouse, a protection plate 900 is disposed on a side of the heat dissipation pipeline 400 far from the surface of the inner wall of the greenhouse, and a louver opening for dissipating heat of the heat dissipation pipeline 400 is disposed on the protection plate 900.
The heat dissipation pipe 400 is generally disposed on the surface of the inner wall of the greenhouse, and in order to prevent a tool such as a forklift from damaging the heat dissipation pipe 400, a protection plate 900 is disposed on the outer side of the heat dissipation pipe 400, and the protection plate 900 is generally made of a galvanized steel plate with a thickness of 1.5 mm.
The louver openings are formed in the protection plate 900, so that heat emitted by the heat dissipation pipeline 400 can be better exchanged with air.
The utility model provides an inner loop device has in the greenhouse heating system, inner loop device can make the air in the greenhouse enter into inner loop device from return air inlet 600 in to see off from supply-air outlet 700, make the circulation that forms the air current in the greenhouse, thereby make the distribution that heat dissipation pipeline 400 effluvium heat can be even in the greenhouse, make the more even of temperature in the greenhouse, and can improve the programming rate in greenhouse.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A heating system for a greenhouse is characterized by comprising an input pipeline, an output pipeline, at least one heat dissipation pipeline and an internal circulation device;
the heat dissipation pipeline is respectively connected with the input pipeline and the output pipeline; the input pipeline is used for being connected with a steam supply system, steam enters the heat dissipation pipeline from the input pipeline, the steam passing through the heat dissipation pipeline enters the output pipeline, and the output pipeline sends the steam passing through the heat dissipation pipeline out of the greenhouse heat supply system;
the internal circulation device comprises an air return inlet, an air supply device and at least one air supply outlet, the air return inlet is arranged at the top of the greenhouse, the air supply device enables air to enter the internal circulation device from the air return inlet and send the air into the greenhouse through the air supply outlet, and airflow circulation is formed in the greenhouse.
2. The heating system for the greenhouse of claim 1, wherein a temperature measuring device for measuring the temperature in the greenhouse is arranged on the outer wall of the greenhouse, a flow regulating valve is arranged on the input pipeline, and the flow regulating valve regulates the flow of the flow regulating valve according to the temperature measured by the temperature measuring device.
3. The heating system for the greenhouse as claimed in claim 2, wherein a first stop valve, a filter, the flow regulating valve and a second stop valve are sequentially arranged on the input pipeline along the flow direction of the steam, and a first pressure gauge is arranged on both sides of the filter.
4. The greenhouse heating system according to claim 3, wherein the input pipeline is provided with a first branch, and two ends of the first branch are respectively connected with the input pipeline at the steam inlet end of the first stop valve and the steam outlet end of the second stop valve; and a third stop valve is arranged on the first branch.
5. The heating system for the greenhouse of claim 4, wherein a fourth stop valve, a drain valve and a fifth stop valve are arranged on the output pipeline in sequence along the steam flowing direction.
6. The greenhouse heating system according to claim 5, further comprising a second branch, wherein two ends of the second branch are respectively connected with the output pipeline to the steam inlet end of the fourth stop valve and the steam outlet end of the fifth stop valve, and a sixth stop valve is arranged on the second branch.
7. The heating system for the greenhouse of claim 6, wherein a first thermometer for measuring the temperature in the greenhouse is arranged on the outer wall of the greenhouse, and the first stop valve, the filter, the flow regulating valve, the second stop valve, the fourth stop valve, the drain valve and the fifth stop valve are all arranged outside the greenhouse.
8. The heating system for the greenhouse of claim 6, wherein a second pressure gauge and a second temperature gauge are arranged on the output pipeline, and a first temperature gauge for measuring the temperature in the greenhouse is arranged on the outer wall of the greenhouse.
9. The heating system for the greenhouse of claim 1, wherein the internal circulation device comprises a plurality of air supply openings, the air return opening is arranged at the middle position of the upper part of the greenhouse, and the plurality of air supply openings are arranged around the air return opening.
10. The heating system for the greenhouse of claim 1, wherein the heat dissipation pipeline is disposed on the surface of the inner wall of the greenhouse, and a protection plate is disposed on the side of the heat dissipation pipeline away from the surface of the inner wall of the greenhouse, and a louver opening for dissipating heat of the heat dissipation pipeline is disposed on the protection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020367451.XU CN212204707U (en) | 2020-03-20 | 2020-03-20 | Greenhouse heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020367451.XU CN212204707U (en) | 2020-03-20 | 2020-03-20 | Greenhouse heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212204707U true CN212204707U (en) | 2020-12-22 |
Family
ID=73823287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020367451.XU Active CN212204707U (en) | 2020-03-20 | 2020-03-20 | Greenhouse heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212204707U (en) |
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2020
- 2020-03-20 CN CN202020367451.XU patent/CN212204707U/en active Active
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