CN111758460A - Heating device for greenhouse - Google Patents
Heating device for greenhouse Download PDFInfo
- Publication number
- CN111758460A CN111758460A CN202010751903.9A CN202010751903A CN111758460A CN 111758460 A CN111758460 A CN 111758460A CN 202010751903 A CN202010751903 A CN 202010751903A CN 111758460 A CN111758460 A CN 111758460A
- Authority
- CN
- China
- Prior art keywords
- sealing cylinder
- fan heater
- pipe
- base
- greenhouse
- 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.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/06—Arrangement of mountings or supports for heaters, e.g. boilers, other than space heating radiators
-
- 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
Abstract
The invention discloses a heating device for a greenhouse, which comprises a base, wherein an installation platform is arranged above the base, the installation platform is fixedly installed on the outer surface of the top of the base through welding, the installation platform is arranged in the middle, an arc-shaped groove is formed in the outer surface of the top of the installation platform, a fan heater is arranged above the installation platform, the fan heater is installed in the arc-shaped groove in an embedded mode, and the output end of the fan heater is fixedly connected with a corrugated pipe. The heating device for the greenhouse is provided with the corrugated pipe, the top sealing cylinder, the bottom sealing cylinder, the limiting ring, the spiral spring, the conveying pipe, the sleeve and the reinforcing ring, can provide anti-seismic protection for the conveying pipe, can greatly reduce heat loss, improves the heat energy utilization rate, can support the pipe wall of the sleeve, prevents the pipe wall from collapsing due to internal vacuum of the sleeve, and brings better use prospect.
Description
Technical Field
The invention relates to the technical field of heating of greenhouses, in particular to a heating device for a greenhouses.
Background
The greenhouse is also called a greenhouse. Can transmit light, keep warm (or heat), and is used for cultivating plants. In seasons unsuitable for plant growth, the method can provide the growth period of the greenhouse and increase the yield, and is mainly used for cultivating or raising seedlings of plants like warm vegetables, flowers and trees in low-temperature seasons. The types of greenhouses are various, and the greenhouses can be divided into a great number according to different roof truss materials, lighting materials, shapes, heating conditions and the like. The types of the greenhouse comprise a planting greenhouse, a breeding greenhouse, an exhibition greenhouse, an experiment greenhouse, a catering greenhouse, an entertainment greenhouse and the like; the greenhouse system comprises a heating system, a heat preservation system, a cooling system, a ventilation system, a control system, an irrigation system and the like. The existing heating device for the greenhouse has certain defects when in use, a warm air blower is adopted as the heating device for part of the greenhouse, certain vibration can be generated in the operation process of the heating device, the butt joint structure of the pipelines is easy to loosen along with the increase of the service time, in addition, the heat energy loss rate is large in the pipeline conveying process, and the resource waste is caused, so that the heating device for the greenhouse is provided.
Disclosure of Invention
The invention mainly aims to provide a heating device for a greenhouse, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a heating system for warmhouse booth, includes the base, the top of base is provided with the mount table, the mount table passes through welded fastening and installs in the top surface of base, the mount table sets up between two parties, the cambered surface recess has been seted up to the top surface of mount table, the top of mount table is provided with the electric fan heater, the electric fan heater is embedded to be installed in the cambered surface recess, the output fixedly connected with bellows of electric fan heater, the one end fixedly connected with conveyer pipe of electric fan heater is kept away from to the bellows, the inside of bellows and the inside intercommunication of conveyer pipe, the fixed cover in middle part of conveyer pipe is equipped with the sleeve pipe, the vacuum region has.
Preferably, the input end of the fan heater is fixedly provided with a dust cover, the dust cover is provided with a plurality of groups of air inlets, a dust screen is fixedly adhered to the outer surface of one side of the dust cover, and the dust screen shields the air inlets.
Preferably, the outer wall of conveyer pipe is fixed the cover and is equipped with a plurality of groups reinforcing ring, and a plurality of groups reinforcing ring all are located the inside of sheathed tube, eight groups of thru holes have been seted up to the reinforcing ring.
Preferably, a fixing seat is fixedly installed on the outer surface of the bottom of the base, a top sealing cylinder and a bottom sealing cylinder are arranged below the base, the top sealing cylinder is fixedly installed at the bottom of the fixing seat, a limiting ring is slidably installed inside the bottom sealing cylinder, the bottom of the top sealing cylinder extends to the inside of the bottom sealing cylinder and is fixedly connected with the limiting ring, and a first spring fixing seat is arranged between the top sealing cylinder and the bottom sealing cylinder.
Preferably, the inside top of the top sealing cylinder is provided with a first spring fixing seat through welding and fixing, the inside bottom of the bottom sealing cylinder is provided with a second spring fixing seat through welding and fixing, one end of the spiral spring is fixedly connected with the first spring fixing seat through welding, and the other end of the spiral spring is fixedly connected with the second spring fixing seat through welding.
Preferably, the bottom of the bottom sealing cylinder is provided with a rubber pad, a strong glue is arranged between the rubber pad and the bottom sealing cylinder, the outer surface of the top of the rubber pad is fixedly connected with the outer surface of the bottom sealing cylinder through the strong glue, and the bottom of the rubber pad is provided with an anti-skidding groove.
Compared with the prior art, the invention has the following beneficial effects: the heating device for the greenhouse comprises a corrugated pipe, a top sealing cylinder, a bottom sealing cylinder, a limiting ring and a spiral spring, wherein the structure formed by combining the top sealing cylinder, the bottom sealing cylinder and the limiting ring can be passively subjected to telescopic motion, the spiral spring is matched with the top sealing cylinder, the bottom sealing cylinder and the limiting ring, the spiral spring can play a certain buffering role and is matched with the top sealing cylinder, the bottom sealing cylinder and the limiting ring, the corrugated pipe has excellent damping capacity and can weaken the vibration generated in the operation process of the fan heater, in addition, the corrugated pipe is positioned between a conveying pipe and the fan heater, can be passively subjected to telescopic motion, can greatly weaken the vibration intensity transmitted to the conveying pipe by the fan heater, provides anti-seismic protection for the conveying pipe, and effectively avoids heat transfer caused by air convection through the arranged conveying pipe, the sleeve and a reinforcing ring, so that the area between the conveying pipe and the sleeve is in a vacuum environment, can reduce heat loss by a wide margin, improve heat utilization rate, the design of reinforcing ring can play the supporting role to the sleeve pipe wall, prevents that the sleeve pipe from appearing the pipe wall collapse phenomenon because of inside vacuum, does benefit to people and uses, whole heating installation for warmhouse booth simple structure, convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a front view of a heating apparatus for greenhouses according to the present invention.
Fig. 2 is an enlarged view of a portion a of the heating apparatus for greenhouses according to the present invention in fig. 1.
Fig. 3 is a schematic view of the internal structure of a bottom-sealing cylinder and a top-sealing cylinder in the heating apparatus for greenhouses according to the present invention.
FIG. 4 is a schematic view showing an internal structure of a pipe and a jacket in a heating apparatus for greenhouses according to the present invention.
Fig. 5 is a side view of a reinforcing ring in a heating apparatus for greenhouses according to the present invention.
FIG. 6 is a partially enlarged view of a corrugated pipe in the heating apparatus for greenhouses according to the present invention.
In the figure: 1. a base; 2. an installation table; 3. a warm air blower; 4. a bellows; 5. a delivery pipe; 6. a sleeve; 7. a dust cover; 8. a fixed seat; 9. closing the top cylinder; 10. a bottom sealing cylinder; 11. a rubber pad; 12. a limiting ring; 13. a first spring holder; 14. a second spring fixing seat; 15. a coil spring; 16. a reinforcing ring; 17. and (4) through holes.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, a heating device for warmhouse booth, including base 1, base 1's top is provided with mount table 2, mount table 2 installs in base 1's top surface through welded fastening, mount table 2 sets up between two parties, the cambered surface recess has been seted up to mount table 2's top surface, mount table 2's top is provided with electric fan heater 3, electric fan heater 3 is embedded to be installed in the cambered surface recess, electric fan heater 3's output fixedly connected with bellows 4, electric fan heater 3's one end fixedly connected with conveyer pipe 5 is kept away from to bellows 4, the inside of bellows 4 and the inside intercommunication of conveyer pipe 5, the fixed cover in middle part of conveyer pipe 5 is equipped with sleeve 6, vacuum area has been seted up between sleeve.
Further, the input end fixed mounting of electric fan heater 3 has dust cover 7, and a plurality of groups of inlet ports have been seted up to dust cover 7, and the outer surface of one side of dust cover 7 pastes and is fixed with the dust screen, and the dust screen shields the inlet port, prevents that tiny particulate matters such as dust in the external environment from following the air current and getting into in the warmhouse booth.
Furthermore, a plurality of groups of reinforcing rings 16 are fixedly sleeved on the outer wall of the conveying pipe 5, the plurality of groups of reinforcing rings 16 are all located inside the sleeve 6, eight groups of through holes 17 are formed in the reinforcing rings 16, the pipe wall of the sleeve 6 can be supported, the pipe wall collapse phenomenon of the sleeve 6 due to internal vacuum is prevented, and the through holes 17 are designed to enable all areas separated by the reinforcing rings 16 to be communicated.
Further, a fixing seat 8 is fixedly installed on the outer surface of the bottom of the base 1, a top sealing cylinder 9 and a bottom sealing cylinder 10 are arranged below the base 1, the top sealing cylinder 9 is fixedly installed at the bottom of the fixing seat 8, a limiting ring 12 is installed inside the bottom sealing cylinder 10 in a sliding mode, the bottom of the top sealing cylinder 9 extends into the inside of the bottom sealing cylinder 10 and is fixedly connected with the limiting ring 12, a first spring fixing seat 13 is arranged between the top sealing cylinder 9 and the bottom sealing cylinder 10, a structure formed by combining the top sealing cylinder 9, the bottom sealing cylinder 10 and the limiting ring 12 can perform stretching movement passively, and is provided with a spiral spring 15, the spiral spring 15 can play a certain buffering role and is matched with the top sealing cylinder 9, the bottom sealing cylinder 10 and the limiting ring 12, so that the fan heater has excellent shock absorption capacity, and vibration generated in the operation process of the fan heater 3 is weakened.
Further, the inboard top of top sealing drum 9 has first spring fixing base 13 through welded fastening, the inboard bottom of bottom sealing drum 10 has second spring fixing base 14 through welded fastening, welding and first spring fixing base 13 fixed connection are passed through to coil spring 15's one end, coil spring 15's the other end passes through welding and 14 fixed connection of second spring fixing base, adopt welded mode to accomplish first spring fixing base 13, second spring fixing base 14 and coil spring 15's is fixed, the installation back steadiness is excellent, durable.
Further, the bottom of back cover drum 10 is provided with rubber pad 11, is provided with the powerful glue between rubber pad 11 and the back cover drum 10, and the top surface of rubber pad 11 passes through the powerful glue and is connected with the bottom surface fixed surface of back cover drum 10, and rubber pad 11 has excellent pliability, can improve whole shock-absorbing capacity, and the antiskid groove has been seted up to the bottom of rubber pad 11, improves the anti-skidding effect when overall structure level is placed.
The invention is a heating device for a greenhouse, before using, one end of a conveying pipe 5 far from a corrugated pipe 4 is extended into the greenhouse, a warm air blower 3 is controlled to start, the warm air blower 3 can control the air flow direction, accelerate the air flow speed and heat air, hot air enters the interior of the greenhouse through the corrugated pipe 4 and the conveying pipe 5 to heat, after heating is finished, the warm air blower 3 needs to be controlled to stop running in time, wherein, a structure formed by combining a top sealing cylinder 9, a bottom sealing cylinder 10 and a limiting ring 12 can passively perform telescopic motion and is provided with a spiral spring 15, the spiral spring 15 can play a certain buffering role, is matched with the top sealing cylinder 9, the bottom sealing cylinder 10 and the limiting ring 12, has excellent shock absorption capacity and weakens the vibration generated in the operation process of the warm air blower 3, in addition, the corrugated pipe 4 is positioned between the conveying pipe 5 and the warm air blower 3, the electric fan heater 3 can carry out concertina movement passively, can weaken the vibration strength who is transmitted to conveyer pipe 5 department by electric fan heater 3 by a wide margin, for conveyer pipe 5 provides antidetonation protection, the region between conveyer pipe 5 and the sleeve pipe 6 is the vacuum environment, avoid the heat transfer that arouses because of the air convection effectively, excellent thermal-insulated ability has, can reduce heat loss by a wide margin, improve heat utilization rate, the design of reinforcing ring 16, can play the supporting role to the sleeve pipe 6 pipe wall, prevent that sleeve pipe 6 from appearing the pipe wall collapse phenomenon because of the inside vacuum, and is relatively practical.
Further, as shown in fig. 6, the output end of the warm air blower 3 is a circular cylinder structure, the output end of the warm air blower 3 is connected with a first tapered sleeve 18, the inner wall of one end of the corrugated pipe 4 close to the warm air blower 3 is provided with a second tapered sleeve 19, the outer diameter of the first tapered sleeve 18 is gradually reduced from the warm air blower 3 side to the corrugated pipe 4 side, the inner diameter of the second tapered sleeve 19 is gradually reduced from the warm air blower 3 side to the corrugated pipe 4 side, the first tapered sleeve 18 is inserted into the second tapered sleeve 19, the end surface of one end of the conveying pipe 5 close to the corrugated pipe 4 is connected with a plurality of cantilever rods 20 uniformly distributed in the circumference, the inner wall of the first tapered sleeve 18 is provided with a plurality of slots 21 into which the cantilever rods 20 are inserted one by one, the free ends of the cantilever rods 20 penetrate through the corrugated pipe 4 and are inserted into the slots 21 one by one, one end of the corrugated pipe 4 provided, an annular groove 23 is provided in the outer wall of the first conical sleeve 18 and the threaded end of the screw 22 abuts against the bottom of the annular groove 23.
The outer wall of the first conical sleeve 18 and the inner wall of the second conical sleeve 19 are fitted and sealingly connected.
The first conical sleeve 18 and the second conical sleeve 19 cooperate to improve the structural strength of the joint, and the cantilever rod 20 cooperates with the slot 21 to enhance the radial deformation resistance of the corrugated pipe 4, so that the corrugated pipe 4 can be stretched and shortened.
In addition, the transverse section of the cantilever bar 20 is circular, the slot 21 is a semicircular slot, and the cantilever bar 20 is matched with the slot 21.
An inner convex limiting part 24 is arranged at one end of the inner wall of the second conical sleeve 19 close to the corrugated pipe 4, and the inner convex limiting part 24 abuts against one end face of the first conical sleeve 18 close to the corrugated pipe 4 and can play a limiting role.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a heating installation for warmhouse booth, includes base (1), its characterized in that: the fan heater is characterized in that a mounting table (2) is arranged above the base (1), the mounting table (2) is fixedly mounted on the outer surface of the top of the base (1) through welding, the mounting table (2) is arranged in the middle, an arc-shaped groove is formed in the outer surface of the top of the mounting table (2), a fan heater (3) is arranged above the mounting table (2), the fan heater (3) is mounted in the arc-shaped groove in an embedded mode, a corrugated pipe (4) is fixedly connected to the output end of the fan heater (3), one end, far away from the fan heater (3), of the corrugated pipe (4) is fixedly connected with a conveying pipe (5), the interior of the corrugated pipe (4) is communicated with the interior of the conveying pipe (5), a sleeve pipe (6) is fixedly sleeved in the middle of the conveying pipe (5), and;
the bottom surface fixed mounting fixing base (8) of base (1), the below of base (1) is provided with top sealing cylinder (9) and back sealing cylinder (10), top sealing cylinder (9) fixed mounting is in the bottom of fixing base (8), the inside slidable mounting of back sealing cylinder (10) has spacing ring (12), the bottom of top sealing cylinder (9) extends to the inside and spacing ring (12) fixed connection of back sealing cylinder (10), be provided with first spring fixing base (13) between top sealing cylinder (9) and back sealing cylinder (10).
2. The heating system for a greenhouse as claimed in claim 1, wherein: the fan heater is characterized in that a dust cover (7) is fixedly mounted at the input end of the fan heater (3), a plurality of groups of air inlets are formed in the dust cover (7), a dust screen is fixedly adhered to the outer surface of one side of the dust cover (7), and the dust screen shields the air inlets.
3. The heating system for a greenhouse as claimed in claim 1, wherein: the outer wall of conveyer pipe (5) is fixed the cover and is equipped with a plurality of groups and strengthens ring (16), and a plurality of groups all strengthen ring (16) and all are located the inside of sleeve pipe (6), eight groups through-hole (17) have been seted up to strengthening ring (16).
4. The heating system for a greenhouse as claimed in claim 1, wherein: the inside top of top sealing drum (9) installs first spring fixing base (13) through welded fastening, the inboard bottom of back cover drum (10) installs second spring fixing base (14) through welded fastening, the one end of coil spring (15) is through welding and first spring fixing base (13) fixed connection, the other end of coil spring (15) is through welding and second spring fixing base (14) fixed connection.
5. The heating system for a greenhouse as claimed in claim 1, wherein: the bottom of the bottom sealing cylinder (10) is provided with a rubber pad (11), a strong glue is arranged between the rubber pad (11) and the bottom sealing cylinder (10), the outer surface of the top of the rubber pad (11) is fixedly connected with the outer surface of the bottom sealing cylinder (10) through the strong glue, and the bottom of the rubber pad (11) is provided with an anti-skidding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751903.9A CN111758460A (en) | 2020-07-30 | 2020-07-30 | Heating device for greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751903.9A CN111758460A (en) | 2020-07-30 | 2020-07-30 | Heating device for greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111758460A true CN111758460A (en) | 2020-10-13 |
Family
ID=72727998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751903.9A Withdrawn CN111758460A (en) | 2020-07-30 | 2020-07-30 | Heating device for greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111758460A (en) |
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| CN1353264A (en) * | 2000-11-15 | 2002-06-12 | 余兴基 | Pipe joint with conic connection |
| CN2648870Y (en) * | 2003-03-20 | 2004-10-20 | 谢志义 | Singeing air-heater |
| CN201059757Y (en) * | 2007-04-28 | 2008-05-14 | 张强 | Solar energy heating fan |
| CN101230945A (en) * | 2008-01-03 | 2008-07-30 | 上海沪强管道设备有限公司 | Ripple compensator against vibration |
| CN101813230A (en) * | 2010-03-31 | 2010-08-25 | 益科博能源科技（上海）有限公司 | Heat transmission medium pipeline and manufacturing method thereof |
| CN102235813A (en) * | 2011-04-20 | 2011-11-09 | 江苏剑桥涂装工程有限公司 | Positive pressure type direct combustion hot-air furnace for baking finish house |
| CN103697601A (en) * | 2013-12-27 | 2014-04-02 | 云南一通太阳能科技有限公司 | Solar air collector |
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| CN207501444U (en) * | 2017-10-24 | 2018-06-15 | 巢湖雅戈尔色纺科技有限公司 | A kind of system of the reduction workshop air conditioning energy consumption complementary based on equipment cooling |
| CN207560928U (en) * | 2017-12-06 | 2018-07-03 | 南京浩宇温室工程有限公司 | A kind of greenhouse pipe |
| CN207661979U (en) * | 2017-12-10 | 2018-07-27 | 江苏绿阳温室设备有限公司 | A kind of greenhouse fuel heater unit |
| CN108397643A (en) * | 2018-04-16 | 2018-08-14 | 成都科瑞尔低温设备有限公司 | Vacuum and low temperature pipe-line system |
| CN208349567U (en) * | 2018-06-20 | 2019-01-08 | 宁波宝工电器有限公司 | A kind of environmental protection warm-air drier |
| CN209230009U (en) * | 2018-11-23 | 2019-08-09 | 河南森东实业有限公司祥符区分公司 | A kind of rat preventing device of gas warm-air machine |
| CN210840908U (en) * | 2019-09-18 | 2020-06-26 | 泰州盈农温室工程有限公司 | Novel air supply device of greenhouse |
| CN211084222U (en) * | 2019-12-05 | 2020-07-24 | 任丘市鑫迈众汽车配件有限公司 | Fuel oil electric fan heater convenient to installation |
-
2020
- 2020-07-30 CN CN202010751903.9A patent/CN111758460A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353264A (en) * | 2000-11-15 | 2002-06-12 | 余兴基 | Pipe joint with conic connection |
| CN2648870Y (en) * | 2003-03-20 | 2004-10-20 | 谢志义 | Singeing air-heater |
| CN201059757Y (en) * | 2007-04-28 | 2008-05-14 | 张强 | Solar energy heating fan |
| CN101230945A (en) * | 2008-01-03 | 2008-07-30 | 上海沪强管道设备有限公司 | Ripple compensator against vibration |
| CN101813230A (en) * | 2010-03-31 | 2010-08-25 | 益科博能源科技（上海）有限公司 | Heat transmission medium pipeline and manufacturing method thereof |
| CN102235813A (en) * | 2011-04-20 | 2011-11-09 | 江苏剑桥涂装工程有限公司 | Positive pressure type direct combustion hot-air furnace for baking finish house |
| CN103697601A (en) * | 2013-12-27 | 2014-04-02 | 云南一通太阳能科技有限公司 | Solar air collector |
| CN207501444U (en) * | 2017-10-24 | 2018-06-15 | 巢湖雅戈尔色纺科技有限公司 | A kind of system of the reduction workshop air conditioning energy consumption complementary based on equipment cooling |
| CN107593191A (en) * | 2017-10-25 | 2018-01-19 | 佛山市联智新创科技有限公司 | A kind of gardening greenhouse warm-air drier of adjustable-angle |
| CN207560928U (en) * | 2017-12-06 | 2018-07-03 | 南京浩宇温室工程有限公司 | A kind of greenhouse pipe |
| CN207661979U (en) * | 2017-12-10 | 2018-07-27 | 江苏绿阳温室设备有限公司 | A kind of greenhouse fuel heater unit |
| CN108397643A (en) * | 2018-04-16 | 2018-08-14 | 成都科瑞尔低温设备有限公司 | Vacuum and low temperature pipe-line system |
| CN208349567U (en) * | 2018-06-20 | 2019-01-08 | 宁波宝工电器有限公司 | A kind of environmental protection warm-air drier |
| CN209230009U (en) * | 2018-11-23 | 2019-08-09 | 河南森东实业有限公司祥符区分公司 | A kind of rat preventing device of gas warm-air machine |
| CN210840908U (en) * | 2019-09-18 | 2020-06-26 | 泰州盈农温室工程有限公司 | Novel air supply device of greenhouse |
| CN211084222U (en) * | 2019-12-05 | 2020-07-24 | 任丘市鑫迈众汽车配件有限公司 | Fuel oil electric fan heater convenient to installation |
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Application publication date: 20201013 |