CN112586243A - Method for preventing greenhouse vegetable cold flow and freeze injury by burning solid alcohol - Google Patents
Method for preventing greenhouse vegetable cold flow and freeze injury by burning solid alcohol Download PDFInfo
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- CN112586243A CN112586243A CN202011448282.3A CN202011448282A CN112586243A CN 112586243 A CN112586243 A CN 112586243A CN 202011448282 A CN202011448282 A CN 202011448282A CN 112586243 A CN112586243 A CN 112586243A
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- greenhouse
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- 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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- 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
- A01G13/00—Protecting plants
- A01G13/06—Devices for generating heat, smoke or fog in gardens, orchards or forests, e.g. to prevent damage by frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Forests & Forestry (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a method for preventing cold flow and freeze injury of greenhouse vegetables by burning solid alcohol, which belongs to the field of vegetable planting, wherein an air outlet and an inlet/outlet of a greenhouse are closed at night, the temperature in the greenhouse is monitored, and when the temperature is reduced to 2 ℃, the temperature is 4-6kg/666.7m2Burning solid alcohol in the shed; after the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃ again, the solid alcohol burning operation is repeated again. The method has the advantages of simple and convenient operation, good warming effect and low cost, and can not generate side effect on vegetables and human bodies.
Description
Technical Field
The invention belongs to the technical field of vegetable planting, and particularly relates to a method for preventing cold flow and freezing injury of greenhouse vegetables by burning solid alcohol.
Background
At present, greenhouse vegetables gradually become a main component of the vegetable industry along with the rapid development of facility agriculture. Vegetable farmers strive for good price in order to bring greenhouse vegetables into the market earlier, and the planting period of the greenhouse vegetables is advanced. However, in early spring, cold flow is a main natural disaster of greenhouse vegetable safety production, and in order to prevent and treat disasters caused by cold flow to greenhouse vegetables, vast vegetable growers usually use measures such as firewood smoking or coal ball ignition to resist the cold flow in the greenhouse at night when the cold flow comes, so as to protect the vegetables from being frozen. The method has the advantages of complex operation, limited temperature rise, plant smoking or carbon monoxide poisoning caused by smoke and carbon monoxide generated in the combustion process, physical damage to operators in the shed, and easy fire hazard caused by improper operation.
Therefore, the method for preventing cold flow and freeze injury has the advantages of simple use, good warming effect and no side effect on vegetables and human bodies.
Disclosure of Invention
The invention discloses a method for preventing greenhouse vegetables from being frozen by cold flow by burning solid alcohol, which has the advantages of simple and convenient operation, good warming effect and low cost, and can not generate side effect on the vegetables and human bodies.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for preventing greenhouse vegetables from being frozen in cold flow by burning solid alcohol,closing the air outlet and inlet/outlet of the greenhouse at night, monitoring the temperature in the greenhouse, and when the temperature is reduced to 2 ℃, keeping the temperature at 4-6kg/666.7m2Burning solid alcohol in the shed;
after the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃ again, the solid alcohol burning operation is repeated again.
The invention can carry out the quantitative combustion of the solid alcohol in the greenhouse at a specific time, can effectively keep the proper temperature in the greenhouse and can not waste the solid alcohol material.
Preferably, the method for preventing the cold flow and freeze injury of the greenhouse vegetables by burning the solid alcohol comprises the following steps:
(1) sealing the air outlet and the inlet and the outlet of the greenhouse at night, and uniformly placing containers around the greenhouse;
(2) monitoring the temperature in the shed, and when the temperature is reduced to 3 ℃, keeping the temperature at 4-6kg/666.7m2Uniformly distributing and placing the solid alcohol in an inner container of a shed;
(3) when the temperature is reduced to 2 ℃, igniting the solid alcohol in each container;
(4) and (4) after the solid alcohol is burnt, repeating the steps (2) to (3).
Preferably, the containers are placed 35-50cm away from the greenhouse film, and the distance between every two containers is 4-6 m.
Preferably, the container is a ceramic container (such as a ceramic small butterfly or a ceramic small bowl) or a metal container (such as an open small iron barrel).
Preferably, the solid alcohol is used in an amount of 5kg/666.7m2。
Preferably, the method for preventing the cold flow and freeze injury of the greenhouse vegetables by burning the solid alcohol comprises the following steps:
(1) sealing the air outlet and the inlet and the outlet of the greenhouse at night, and uniformly placing containers around the greenhouse;
the container is a sealed container with an automatic switch valve cover, solid alcohol is placed in the container, and an automatic ignition device is arranged in the container;
(2) monitoring the temperature in the greenhouse through a thermometer, transmitting temperature information to a control system, and when the temperature is reduced to 2 ℃, controlling a valve cover of a partial container in the greenhouse to be opened by the control system, and controlling an automatic ignition device in the container with the opened valve cover to ignite the solid alcohol;
(3) after the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃, the control system controls the valve cover of the unused container in the greenhouse to be opened and ignites the solid alcohol.
The control of the valve cover of the container and the automatic ignition device is carried out through temperature monitoring, and labor can be saved.
Preferably, the containers are placed 35-50cm from the greenhouse film, and the distance between the containers opened by burning the solid alcohol is 4-6m each time.
In conclusion, the traditional firewood smoking and coal ball combustion heating method is changed, the safe and practical method for preventing cold flow and freeze injury after early spring field planting of greenhouse vegetables, which is simple and convenient to operate, low in cost, good in heating effect and suitable for popularization and application, is provided for greenhouse vegetable growers.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The method for preventing cold flow and freeze injury of greenhouse vegetables by burning solid alcohol comprises the following steps:
(1) after the vegetables in the greenhouse are fixedly planted in early spring, closing the air outlet and the inlet and outlet of the greenhouse at night, and uniformly placing ceramic bowls on the periphery in the greenhouse; the placing positions of the ceramic bowls are 40cm away from the greenhouse film, and the distance between every two ceramic bowls is 5 m;
(2) monitoring the temperature in the shed, and when the temperature is reduced to 3 ℃, keeping the temperature at 5kg/666.7m2Uniformly distributing and placing solid alcohol in a ceramic bowl in a shed;
(3) when the temperature is reduced to 2 ℃, solid alcohol in each ceramic bowl is ignited;
(4) and (4) after the solid alcohol is burnt, repeating the steps (2) to (3).
Example 2
The method for preventing cold flow and freeze injury of greenhouse vegetables by burning solid alcohol comprises the following steps:
(1) after the greenhouse vegetables are fixedly planted in early spring, closing an air outlet and an inlet and an outlet of the greenhouse at night, and uniformly placing containers around the greenhouse; the container is a sealed container with an automatic switch valve cover, solid alcohol is placed in the container, and an automatic ignition device is arranged in the container;
the placing position of the containers is 40cm away from the greenhouse film, and the distance between the containers is 1-2 m.
(2) Monitoring the temperature in the greenhouse through a thermometer, transmitting temperature information to a control system, and when the temperature is reduced to 2 ℃, controlling a valve cover of a partial container in the greenhouse to be opened by the control system, and controlling an automatic ignition device in the container with the opened valve cover to ignite the solid alcohol; the distance between the containers opened in the same batch is 4-5 m.
(3) After the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃, the control system controls the valve cover of the unused container in the greenhouse to be opened and ignites the solid alcohol; the distance between the containers opened in the same batch is 4-5 m.
Example 3
In 2018, 4 and 6 months later, severe cold flows appear in most regions in the north of China, the low temperature of-4 ℃ appears in the plain region in the Bifen city, and the low temperature of-8 ℃ appears in the mountainous region.
In a greenhouse planting area (the altitude is 800-900 m) of the floating mountain county in the eastern mountain area of the Bifen city, the temperature outside the greenhouse is reduced to-7 ℃, solid alcohol combustion heating treatment is carried out according to the method of the embodiment 1, the temperature in the greenhouse is maintained to be about 4 ℃, and 2000 mu of greenhouse watermelons are not frozen.
In the Xiangfen greenhouse tomato growing area (the elevation is 450-500 m) in Pinchuan county in south of Linfen city, the temperature outside the greenhouse is reduced to-3 ℃ to-4 ℃, vegetable growers adopt heating measures such as firewood, briquette combustion, heating blocks and the like, the temperature in the greenhouse is still reduced to below 0 ℃, 10000 mu of greenhouse tomatoes are frozen, and 70 percent of the greenhouse tomatoes are frozen.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The method for preventing the cold flow and the freezing injury of the greenhouse vegetables by burning the solid alcohol is characterized in that,
closing the air outlet and inlet/outlet of the greenhouse at night, monitoring the temperature in the greenhouse, and when the temperature is reduced to 2 ℃, keeping the temperature at 4-6kg/666.7m2Burning solid alcohol in the shed;
after the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃ again, the solid alcohol burning operation is repeated again.
2. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 1, which comprises the following steps:
(1) sealing the air outlet and the inlet and the outlet of the greenhouse at night, and uniformly placing containers around the greenhouse;
(2) monitoring the temperature in the shed, and when the temperature is reduced to 3 ℃, keeping the temperature at 4-6kg/666.7m2Uniformly distributing and placing the solid alcohol in an inner container of a shed;
(3) when the temperature is reduced to 2 ℃, igniting the solid alcohol in each container;
(4) and (4) after the solid alcohol is burnt, repeating the steps (2) to (3).
3. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 2,
the placing position of the containers is 35-50cm away from the greenhouse film, and the distance between every two containers is 4-6 m.
4. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 2,
the container is a ceramic container or a metal container.
5. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 2,
the solid alcohol dosage is 5kg/666.7m2。
6. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 1, which comprises the following steps:
(1) sealing the air outlet and the inlet and the outlet of the greenhouse at night, and uniformly placing containers around the greenhouse;
the container is a sealed container with an automatic switch valve cover, solid alcohol is placed in the container, and an automatic ignition device is arranged in the container;
(2) monitoring the temperature in the greenhouse through a thermometer, transmitting temperature information to a control system, and when the temperature is reduced to 2 ℃, controlling a valve cover of a partial container in the greenhouse to be opened by the control system, and controlling an automatic ignition device in the container with the opened valve cover to ignite the solid alcohol;
(3) after the solid alcohol is burnt, the temperature in the greenhouse is continuously monitored, and when the temperature is reduced to 2 ℃, the control system controls the valve cover of the unused container in the greenhouse to be opened and ignites the solid alcohol.
7. The method for preventing freezing injury of greenhouse vegetables by burning solid alcohol according to claim 6,
the placing position of the containers is 35-50cm away from the greenhouse film, and the distance between the containers opened by burning the solid alcohol each time is 4-6 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448282.3A CN112586243A (en) | 2020-12-09 | 2020-12-09 | Method for preventing greenhouse vegetable cold flow and freeze injury by burning solid alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448282.3A CN112586243A (en) | 2020-12-09 | 2020-12-09 | Method for preventing greenhouse vegetable cold flow and freeze injury by burning solid alcohol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112586243A true CN112586243A (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011448282.3A Pending CN112586243A (en) | 2020-12-09 | 2020-12-09 | Method for preventing greenhouse vegetable cold flow and freeze injury by burning solid alcohol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112586243A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181091Y (en) * | 2008-03-17 | 2009-01-14 | 孙子安 | Coal-burning vaporization hot-blast stove for warmhouse booth |
| JP3151399U (en) * | 2008-09-12 | 2009-06-25 | 金沢 徳寿 | Agricultural heating device |
| JP3161104U (en) * | 2010-05-07 | 2010-07-22 | 戊 吉沢 | Combustor and combustion material |
| CN201995404U (en) * | 2011-03-21 | 2011-10-05 | 潘永地 | Intelligent heat booster for greenhouse |
| CN103155830A (en) * | 2011-12-15 | 2013-06-19 | 长内伸刚 | Ignition apprizing device of automatic ignition device |
| CN205337022U (en) * | 2016-01-18 | 2016-06-29 | 任敏 | Energy -saving automatic control by temperature change big -arch shelter |
| CN206669715U (en) * | 2017-04-24 | 2017-11-24 | 宏业生物科技股份有限公司 | A kind of upper-burning biomass vegetable booth thermal insulation stove |
| CN109375680A (en) * | 2018-11-09 | 2019-02-22 | 武汉楚为生物科技股份有限公司 | System for adjusting temperature in greenhouse |
-
2020
- 2020-12-09 CN CN202011448282.3A patent/CN112586243A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181091Y (en) * | 2008-03-17 | 2009-01-14 | 孙子安 | Coal-burning vaporization hot-blast stove for warmhouse booth |
| JP3151399U (en) * | 2008-09-12 | 2009-06-25 | 金沢 徳寿 | Agricultural heating device |
| JP3161104U (en) * | 2010-05-07 | 2010-07-22 | 戊 吉沢 | Combustor and combustion material |
| CN201995404U (en) * | 2011-03-21 | 2011-10-05 | 潘永地 | Intelligent heat booster for greenhouse |
| CN103155830A (en) * | 2011-12-15 | 2013-06-19 | 长内伸刚 | Ignition apprizing device of automatic ignition device |
| CN205337022U (en) * | 2016-01-18 | 2016-06-29 | 任敏 | Energy -saving automatic control by temperature change big -arch shelter |
| CN206669715U (en) * | 2017-04-24 | 2017-11-24 | 宏业生物科技股份有限公司 | A kind of upper-burning biomass vegetable booth thermal insulation stove |
| CN109375680A (en) * | 2018-11-09 | 2019-02-22 | 武汉楚为生物科技股份有限公司 | System for adjusting temperature in greenhouse |
Non-Patent Citations (1)
| Title |
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| 罗子欣, 百花文艺出版社 * |
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