CN109005746A - A kind of steam heated constant temperature constant humidity generating device - Google Patents
A kind of steam heated constant temperature constant humidity generating device Download PDFInfo
- Publication number
- CN109005746A CN109005746A CN201810768959.8A CN201810768959A CN109005746A CN 109005746 A CN109005746 A CN 109005746A CN 201810768959 A CN201810768959 A CN 201810768959A CN 109005746 A CN109005746 A CN 109005746A
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- steam
- temperature
- humidity
- hothouse
- atomizer
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- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000008246 gaseous mixture Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/02—Germinating apparatus; Determining germination capacity of seeds or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Air Humidification (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of steam heated constant temperature constant humidity generating devices, including switch valve, pressure reducing valve, hothouse, atomizer, circulating fan, mixing chamber, Temperature and Humidity device and controller.In use, high temperature and pressure saturated vapor can be entered by switch valve in steam heated constant temperature constant humidity generating device；Then, high temperature and pressure saturated vapor becomes saturated water and dry saturated steam after being depressurized by pressure reducing valve, and dry saturated steam enters hothouse；Meanwhile the water spray haze of generation is conveyed in hothouse by atomizer, circulating fan blows to the air in the environment of humidification to be heated in hothouse, so that dry saturated steam, water spray haze and air mixing；Later, it is uniformly mixed into mixing chamber, Temperature and Humidity device detects the temperature and humidity of mixing chamber and adjusted by controller, so that gaseous mixture reaches preset temperature and humidity.The air cooling-down of the environment of high temperature and pressure saturated vapor water spray haze and humidification to be heated improves capacity usage ratio on the basis of not generating pollution.
Description
Technical field
The present invention relates to constant temperature and humidity control device technical fields, occur more particularly, to a kind of steam heated constant temperature constant humidity
Device.
Background technique
Constant-temperature constant-humidity environment is very helpful for presprouting of seeds, season especially colder in Winter-Spring, Huo Zheqi
The colder area of temperature, it is accordingly required in particular to build the environment of a constant temperature and humidity.Traditional method is exactly directly to be added with heating wire
Then hot-air generates moisture with other device.There is with coal, the principle etc. for then passing through heat exchange obtains hot sky
Gas.However, these method capacity usage ratios are low, there is pollution to environment.
Therefore, how on the basis of not generating pollution, improving capacity usage ratio is that those skilled in the art are urgently to be resolved
The technical issues of.
Summary of the invention
In view of this, can not generated the object of the present invention is to provide a kind of steam heated constant temperature constant humidity generating device
On the basis of pollution, capacity usage ratio is improved.
To achieve the goals above, the present invention provides following schemes:
A kind of steam heated constant temperature constant humidity generating device, comprising:
The entrance of switch valve, the switch valve can be with the outlet guide for the steam boiler for providing high temperature and pressure saturated vapor
It is logical；
Pressure reducing valve, the entrance of the pressure reducing valve are connected with the outlet of the switch valve；
The outlet of hothouse, the pressure reducing valve is connected with the first entrance of the hothouse；
The outlet of atomizer, the atomizer is connected with the second entrance of the hothouse, and the atomizer is capable of providing
Water spray haze；
Circulating fan, the circulating fan can blow to the air in the environment of humidification to be heated in the hothouse；
Mixing chamber is provided with delivery outlet on the mixing chamber, and the delivery outlet is connected with the environment of the humidification to be heated；
Temperature and Humidity device, the Temperature and Humidity device are mounted in the mixing chamber, are able to detect the mixing chamber
Temperature and humidity；
Controller, the controller and the Temperature and Humidity device, the switch valve, the atomizer, the circulated air
The equal signal connection of machine, and the controller can control the aperture and opening and closing of the atomizer and the switch valve, the control
Device also can control the wind speed of the circulating fan, so that the temperature and humidity into the environment of the humidification to be heated reaches default
Value.
In one embodiment, the steam heated constant temperature constant humidity generating device further includes conveying device；
The indoor dry saturated steam of the drying and water spray haze can be transported in the mixing chamber and mix by the conveying device.
In one embodiment, the steam heated constant temperature constant humidity generating device further includes conveyance conduit；
The conveyance conduit is connected to the pressure reducing valve and the hothouse, by the high temperature and pressure saturated water of the pressure reducing valve
Steam can become dry saturated steam and saturated water in the conveyance conduit, and the dry saturated steam can be conveyed by the conveyance conduit
Into the hothouse.
In a specific embodiment, the conveyance conduit is L shape pipe.
In one embodiment, the turning of the L shape pipe is provided with fillet.
In one embodiment, the steam heated constant temperature constant humidity generating device further includes drain valve；
The bottom of the conveyance conduit is arranged in the drain valve, can emit the saturated water.
In a specific embodiment, the conveying device is Venturi tube.
In one embodiment, helical baffles are provided in the mixing chamber；
The helical baffles can rotate and be sufficiently mixed into the dry saturated steam of the mixing chamber, water spray haze and described follow
Air in the environment for the humidification to be heated that ring blower is blown.
In one embodiment, the steam heated constant temperature constant humidity generating device further includes water tank and cabinet；
The atomizer is mounted in the water tank；
The circulating fan, the hothouse, the mixing chamber, the atomizer and the water tank are arranged at the case
In vivo.
In a specific embodiment, the atomizer is ultrasonic atomizer；And/or
The switch valve is steam rates valve.
Each embodiment according to the present invention can according to need any combination, resulting embodiment party after these combinations
Case is also a part of the specific embodiment of the invention within the scope of the present invention.
In one particular embodiment of the present invention, steam heated constant temperature constant humidity generating device disclosed by the invention uses
When, switch valve is connected with the outlet of steam boiler, and the high temperature and pressure saturated vapor in steam boiler is enabled to pass through switch
Valve enters in steam heated constant temperature constant humidity generating device；Then, high temperature and pressure saturated vapor becomes after being depressurized by pressure reducing valve
Saturated water and dry saturated steam, dry saturated steam enter hothouse；Meanwhile the water spray haze of generation is conveyed in hothouse by atomizer, circulation
Blower blows to the air in the environment of humidification to be heated in hothouse, so that dry saturated steam, water spray haze and air mixing；Later,
Be uniformly mixed into mixing chamber, Temperature and Humidity device detects the temperature and humidity of mixing chamber, be higher than when the temperature detected or
When lower than preset value, the aperture of controller control switch valve reduces or increases, until the temperature detected reaches preset value；When
When the humidity detected is higher or lower than preset value, the aperture that controller controls atomizer reduces or increases, until detection
To humidity reach preset value；When the temperature detected is lower than preset value, and humidity is greater than preset value, controller increases circulated air
The wind speed of machine, so that the air inlet of the environment of humidification to be heated increases, the aperture of controller control switch valve is increased, until
The temperature and humidity detected reaches preset value.The present invention by using steam boiler generate high temperature and pressure saturated vapor,
The air for treating the environment of warming and humidifying is heated, and the water spray haze that wave heating atomizer generates, and is adjusted and is recycled by controller
The aperture of blower, switch valve and atomizer, so that gaseous mixture reaches preset temperature and humidity.High temperature and pressure saturated vapor water
The air cooling-down of the environment of fog and humidification to be heated improves capacity usage ratio on the basis of not generating pollution.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of steam heated constant temperature constant humidity generating device provided by the invention.
Wherein, in Fig. 1:
Switch valve 1, pressure reducing valve 2, hothouse 3, atomizer 4, circulating fan 5, mixing chamber 6, conveying device 7, conveyance conduit
8, drain valve 9, helical baffles 10, water tank 11, cabinet 12.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art better understand technical solution of the present invention
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in Figure 1, the present invention provides a kind of steam heated constant temperature constant humidity generating devices.Wherein, steam heated constant temperature
Constant humidity generating device includes switch valve 1, pressure reducing valve 2, hothouse 3, atomizer 4, circulating fan 5, mixing chamber 6, Temperature and Humidity
Device and controller.
The entrance of switch valve 1 can be connected with the outlet for the steam boiler for providing high temperature and pressure saturated vapor, specific logical
Cross the connection of ring flange realization and steam boiler.The entrance of pressure reducing valve 2 is connected with the outlet of switch valve 1, the outlet of pressure reducing valve 2 with
The first entrance of hothouse 3 is connected.The outlet of atomizer 4 is connected with the second entrance of hothouse 3, and atomizer 4 is capable of providing water
Fog provides the efficiency of water spray haze to improve atomizer, by taking the number of atomizer 4 is 2 as an example.Circulating fan 5 can incite somebody to action
Air in the environment of humidification to be heated is blown in hothouse 3, and delivery outlet, delivery outlet and humidification to be heated are provided on mixing chamber 6
Environment conducting, Temperature and Humidity device is mounted in mixing chamber 6, the temperature and humidity of mixing chamber 6 is able to detect, in order to improve temperature
The accuracy in detection of moisture detector enables Temperature and Humidity device be mounted at the delivery outlet position of mixing chamber 6.Temperature and Humidity device
Including temperature detector and moisture detector, it is connect with controller signals.
Controller is connect with Temperature and Humidity device, switch valve 1, atomizer 4, the equal signal of circulating fan 5, and controller can
Control atomizer 4 and switch valve 1 aperture and opening and closing, controller can also control loop blower 5 wind speed so that into be heated
The temperature and humidity of the environment of humidification reaches preset value.Here, preset value refers to required for the humidified ambient to be heated of setting
Temperature value and humidity value, are set according to actual needs.
High temperature and pressure saturated vapor in steam boiler can enter steam heated constant temperature constant humidity by switch valve 1 and occur
In device；Then, high temperature and pressure saturated vapor becomes saturated water and dry saturated steam after being depressurized by pressure reducing valve 2, and dry saturated steam enters
Hothouse 3；Meanwhile the water spray haze of generation is conveyed in hothouse 3 by atomizer 4, circulating fan 5 is by the environment of humidification to be heated
In air blow in hothouse 3 so that dry saturated steam, water spray haze and air mixing；Later, it is uniformly mixed into mixing chamber 6, temperature
The temperature and humidity of moisture detector detection mixing chamber 6.
When the temperature and humidity detected is above preset value, the aperture of controller control switch valve 1 and atomizer 4 is equal
Reduce, and improve the wind speed of circulating fan 5, until the temperature and humidity detected reaches preset value.
When the temperature and humidity detected is below preset value, controller can first control atomizer 4 and switch valve 1
Aperture increases, until the temperature and humidity detected reaches preset value.
When the temperature detected is lower than preset value, and humidity is greater than preset value, controller can first control switch valve 1 open
Degree increases, and the aperture of atomizer 4 reduces, if continuing for some time or temperature is lower than preset value, when humidity is greater than preset value,
The wind speed for reducing circulating fan 5, until the temperature and humidity detected reaches preset value；If continuing for some time, temperature is higher than
Preset value then improves the wind speed of circulating fan 5, until the temperature and humidity detected reaches default when humidity is greater than preset value
Value.
When the temperature detected is higher than preset value, and humidity is less than preset value, controller can first control switch valve 1 open
Degree reduces, and the aperture of atomizer 4 increases, if continuing for some time or temperature is higher than preset value, circulating fan 5 can be improved
Wind speed, until the temperature and humidity detected reaches preset value.In the present invention, high temperature and pressure saturated vapor water spray haze and
The air cooling-down of the environment of humidification to be heated improves capacity usage ratio on the basis of not generating pollution.
In one embodiment, steam heated constant temperature constant humidity generating device further includes conveying device 7,7 energy of conveying device
Enough dry saturated steam and water spray haze by hothouse 3 are transported in mixing chamber 6 and mix.Specifically, specific open in the present embodiment
Conveying device 7 is Venturi tube.Dry saturated steam can generate negative pressure of vacuum when passing through Venturi tube, will bring cold water into advance
The air that fog and circulating fan 5 are blown, generates the effect of mixing in advance.It, can since Venturi tube can actively suck water spray haze
With the water spray haze for making full use of atomizer 4 to generate.It should be noted that conveying device 7 is not limited to only being Venturi tube, it can also
To be other devices that can have suction, for example, conveying device 7 can be including suction pump and delivery pipe, the one of delivery pipe
End is connected to hothouse 3, and the other end is connected to mixing chamber 6, and the mixed gas in hothouse 3 is drawn onto mixing chamber 6 by suction pump.
In one embodiment, steam heated constant temperature constant humidity generating device further includes conveyance conduit 8, and conveyance conduit 8 connects
Logical pressure reducing valve 2 and hothouse 3, can become dry saturated steam in conveyance conduit 8 by the high temperature and pressure saturated vapor of pressure reducing valve 2
And saturated water, dry saturated steam can be transported in hothouse 3 by conveyance conduit 8.
In a specific embodiment, conveyance conduit 8 is L shape pipe, and the vertical pipe and pressure reducing valve 2 of L shape pipe are connected, water
Flat pipe is connected with hothouse 3, convenient for saturated flow at horizontal tube.
In one embodiment, the turning of L shape pipe is provided with fillet, that is to say, that the company of vertical pipe and horizontal tube
The place of connecing is provided with fillet.It can smoothly enter into hothouse 3 convenient for dry saturated steam.
In one embodiment, steam heated constant temperature constant humidity generating device further includes drain valve 9, and the setting of drain valve 9 exists
The bottom of conveyance conduit 8 can emit saturated water.It should be noted that can also be arranged in the bottom of conveyance conduit 8
One groove, holds saturated water, and drain valve 9 is arranged on bottom portion of groove connecting line, pipeline.For the ease of realizing saturated water
Drain valve 9 is set solenoid valve by automatic-discharging, passes through its on-off of electric control.
In one embodiment, helical baffles 10 are provided in mixing chamber 6, helical baffles 10 can rotate sufficiently
The air being mixed into the environment for the humidification to be heated that the dry saturated steam, water spray haze and circulating fan 5 of mixing chamber 6 are blown, will do
The flow velocity and temperature of steam further decrease.
In one embodiment, steam heated constant temperature constant humidity generating device further includes water tank 11 and cabinet 12, atomizer 4
It is mounted in water tank 11, water tank 11 needs to fill with water, and in certain water level, works at a temperature of certain.Circulating fan 5 is done
Dry room 3, mixing chamber 6, atomizer 4 and water tank 11 are arranged in cabinet 12.In order to realize the saturated water that drain valve 9 is discharged
Using, avoid discharge waste, the outlet of drain valve 9 and water tank 11 can be connected.
In a specific embodiment, atomizer 4 is ultrasonic atomizer, and switch valve 1 is steam rates valve.Certainly may be used
With understanding, above-mentioned ultrasonic atomizer and steam rates valve are only the embodiment of the present invention for atomizer 4 and switch valve 1
Preferable examples in actual application, can also be that actual needs is arranged to other structures.
The invention has the following advantages that
(1) include Venturi tube, play the role of premixing in advance to dry saturated steam and water spray haze in this way；
(2) circulating fan 5 is conducive to bring the water spray haze that Ultrasonic atomization generator generates into mixing chamber 6；
(3) helical baffles 10 are installed in mixing chamber 6, is conducive to dry saturated steam and water spray haze adequately mixes；
It (4) include controller, it can complete precise control of temperature and humidity.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand the core idea of the present invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (10)
1. a kind of steam heated constant temperature constant humidity generating device characterized by comprising
The entrance of switch valve (1), the switch valve (1) can be with the outlet for the steam boiler for providing high temperature and pressure saturated vapor
Conducting；
The entrance of pressure reducing valve (2), the pressure reducing valve (2) is connected with the outlet of the switch valve (1)；
The outlet of hothouse (3), the pressure reducing valve (2) is connected with the first entrance of the hothouse (3)；
The outlet of atomizer (4), the atomizer (4) is connected with the second entrance of the hothouse (3), the atomizer (4)
It is capable of providing water spray haze；
Air in the environment of humidification to be heated can be blown to the hothouse by circulating fan (5), the circulating fan (5)
(3) in；
Mixing chamber (6) is provided with delivery outlet on the mixing chamber (6), and the delivery outlet is connected with the environment of the humidification to be heated；
Temperature and Humidity device, the Temperature and Humidity device are mounted in the mixing chamber (6), are able to detect the mixing chamber (6)
Temperature and humidity；
Controller, the controller and the Temperature and Humidity device, the switch valve (1), the atomizer (4), the circulation
Blower (5) signal connection, and the controller can control the aperture of the atomizer (4) and the switch valve (1) and open
It closes, the controller also can control the wind speed of the circulating fan (5), so that the temperature of the environment into the humidification to be heated
Reach preset value with humidity.
2. steam heated constant temperature constant humidity generating device according to claim 1, which is characterized in that further include conveying device
(7)；
The conveying device (7) can by the hothouse (3) dry saturated steam and water spray haze be transported in the mixing chamber (6)
Mixing.
3. steam heated constant temperature constant humidity generating device according to claim 2, which is characterized in that the conveying device (7)
For Venturi tube.
4. steam heated constant temperature constant humidity generating device according to claim 1, which is characterized in that further include conveyance conduit
(8)；
The conveyance conduit (8) is connected to the pressure reducing valve (2) and the hothouse (3), high by the high temperature of the pressure reducing valve (2)
Pressure saturated vapor can become dry saturated steam and saturated water in the conveyance conduit (8), and the dry saturated steam can be by described
Conveyance conduit (8) is transported in the hothouse (3).
5. steam heated constant temperature constant humidity generating device according to claim 4, which is characterized in that the conveyance conduit (8)
For L shape pipe.
6. steam heated constant temperature constant humidity generating device according to claim 5, which is characterized in that the turning of the L shape pipe
Place is provided with fillet.
7. steam heated constant temperature constant humidity generating device according to any one of claims 4 to 6, which is characterized in that also wrap
Include drain valve (9)；
The drain valve (9) is arranged in the bottom of the conveyance conduit (8), can emit the saturated water.
8. steam heated constant temperature constant humidity generating device according to claim 1, which is characterized in that in the mixing chamber (6)
It is provided with helical baffles (10)；
The helical baffles (10) can rotate and be sufficiently mixed dry saturated steam, water spray haze and the institute into the mixing chamber (6)
State the air in the environment for the humidification to be heated that circulating fan (5) is blown.
9. steam heated constant temperature constant humidity generating device according to claim 1, which is characterized in that further include water tank (11) and
Cabinet (12)；
The atomizer (4) is mounted in the water tank (11)；
The circulating fan (5), the hothouse (3), the mixing chamber (6), the atomizer (4) and the water tank (11) are equal
Setting is in the cabinet (12).
10. steam heated constant temperature constant humidity generating device, feature described in any one of -6,8,9 exist according to claim 1
In the atomizer (4) is ultrasonic atomizer；And/or
The switch valve (1) is steam rates valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768959.8A CN109005746B (en) | 2018-07-13 | 2018-07-13 | Steam heating constant temperature and humidity generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810768959.8A CN109005746B (en) | 2018-07-13 | 2018-07-13 | Steam heating constant temperature and humidity generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109005746A true CN109005746A (en) | 2018-12-18 |
| CN109005746B CN109005746B (en) | 2021-08-24 |
Family
ID=64640517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810768959.8A Active CN109005746B (en) | 2018-07-13 | 2018-07-13 | Steam heating constant temperature and humidity generating device |
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| Country | Link |
|---|---|
| CN (1) | CN109005746B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110291868A (en) * | 2019-07-08 | 2019-10-01 | 合肥启迪农业发展有限公司 | A kind of humidifier of novel agricultural technical research |
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| CN102105189A (en) * | 2008-05-27 | 2011-06-22 | 菲舍尔和佩克尔保健有限公司 | Control of humidifier chamber temperature for accurate humidity control |
| CN206523033U (en) * | 2017-02-15 | 2017-09-26 | 杭州金山仪表阀业有限公司 | A kind of drying plant equipped with middle pressure steam temperature control equipment |
| CN206973859U (en) * | 2017-06-14 | 2018-02-06 | 珠海格力电器股份有限公司 | Heat exchanging air duct structure and air-conditioner set |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534246A (en) * | 2003-03-31 | 2004-10-06 | 刘鸿才 | Water source heat pump constant temperature constant humidity machine set |
| CN201022262Y (en) * | 2007-03-16 | 2008-02-20 | 白桂俊 | Constant temperature seeds germinating apparatus |
| CN102105189A (en) * | 2008-05-27 | 2011-06-22 | 菲舍尔和佩克尔保健有限公司 | Control of humidifier chamber temperature for accurate humidity control |
| CN102012157A (en) * | 2010-12-02 | 2011-04-13 | 蓬莱京鲁渔业有限公司 | Energy-efficient drying system |
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| CN110291868A (en) * | 2019-07-08 | 2019-10-01 | 合肥启迪农业发展有限公司 | A kind of humidifier of novel agricultural technical research |
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|---|---|
| CN109005746B (en) | 2021-08-24 |
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Denomination of invention: A steam heating constant temperature and humidity generator Effective date of registration: 20230302 Granted publication date: 20210824 Pledgee: China Construction Bank Corporation Shuangfeng Sub-branch Pledgor: HUNAN NONGYOU MACHINERY GROUP Co.,Ltd.|HUNAN NONGYOU SHENGTAI AGRICULTURAL TECHNOLOGY CO.,LTD. Registration number: Y2023980033958 |
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Date of cancellation: 20231229 Granted publication date: 20210824 Pledgee: China Construction Bank Corporation Shuangfeng Sub-branch Pledgor: HUNAN NONGYOU MACHINERY GROUP Co.,Ltd.|HUNAN NONGYOU SHENGTAI AGRICULTURAL TECHNOLOGY CO.,LTD. Registration number: Y2023980033958 |