CN203745459U - Simulation experiment device for cold bottom field soil environment - Google Patents
Simulation experiment device for cold bottom field soil environment Download PDFInfo
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- CN203745459U CN203745459U CN201420080932.7U CN201420080932U CN203745459U CN 203745459 U CN203745459 U CN 203745459U CN 201420080932 U CN201420080932 U CN 201420080932U CN 203745459 U CN203745459 U CN 203745459U
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- field soil
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Abstract
The utility model discloses a simulation experiment device for a cold bottom field soil environment. The simulation experiment device comprises a simulator and a condensation system which are connected, wherein the simulator comprises an inner sleeve and an outer sleeve; the inner sleeve is arranged in the outer sleeve; a heat insulation space and a water bath space which are mutually independent are arranged between the outer wall of the inner sleeve and the inner wall of the outer sleeve; the heat insulation space is internally provided with a heat insulation interlayer; the water bath space is connected with the condensation system; the simulation experiment device is applied to a pot experiment of the cold bottom field soil environment with the soil layer thickness of 15-45cm. The simulation experiment device for the cold bottom field soil environment is simple in structure; a reliable experiment device is provided for simulating the cold bottom field normal position soil environment and the pot experiment is convenient to develop; the difficulty of researching work is reduced; the disadvantage that a large field condition only can be used for carrying out the experiment in one season can be overcome effectively; the researching work can be developed at any time period of rice growth according to experiment requirements; the limitation of irreversible time is solved effectively and a plurality of times of experiments can be carried out in one year; a small-area experiment of a cold bottom field is also realized and the operation is simple and convenient.
Description
Technical field
The utility model relates to the soil environment analogue technique field of gley paddy soil, particularly a kind of analogue experiment installation for field soil environment of the cold end.
Background technology
Field, the cold end is to stick with paste the rotten a kind of low-yield land strongly causing with reducing action because of long-term immersion, soil layer.Its principal character be soil moisture in state of saturation, reducing action is strong, noxious material is many.Approximately there are 3,460,000 hm in China
2, account for 15.07% of national rice field area, account for 44.2% of low-yield paddy field area.Mainly being distributed in valley floor, mountain area, south China each province, low-lying location, hills, is one of main low-yield paddy field type in South Rice Region of China, and rice yield per hectare is general not as good as 1/2nd of the average output per hectare in rice field.According to Guangdong Province for the second time soil survey information (write Soil In Guangdong Province census office, Soils of Guangdong, Science Press, 1993) known, gley paddy soil subclass is divided into 7 penus, respectively: field, oily lattice field, blue mud lattice field, rotten Pan field, field, the cold end, accumulated water field at the bottom of field, the cold end, black mud.In recent years, at production potential assessment, the soil structure improved addictive of field soil of the cold end, subdue the aspects such as the murder by poisoning of iron sulphur, Nutrient Activation, the comprehensive regulation and supporting technology be integrated and carried out a large amount of research, obtained fruitful work.
But due to the distinctive cause condition in field, the cold end, the research work of the overwhelming majority can only concentrate on field experiment original position to be carried out, and could really understand, explore the comprehensive regulation and the utilization in field, the cold end.Rare pot experiment also greatly differs from each other with the original soil environment in field, the cold end already, is difficult to the specific habitat conditions of simulation original position soil, has seriously restricted carrying out of correlative study, also cannot obtain accurate study data.Therefore,, for the convenient further research to field soil environment of the cold end, it is necessary developing its Pilot Unit.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of analogue experiment installation for field soil environment of the cold end is provided, and this apparatus structure is simple, can be convenient to carrying out of pot experiment.
The technical solution of the utility model is: a kind of analogue experiment installation for field soil environment of the cold end, comprise the simulator and the condenser system that are connected, simulator comprises inner sleeve and overcoat, inside be sheathed in overcoat, separate insulated space and water-bath space are set between outer wall of inside race and outer casing inner wall, insulating sandwich is set in insulated space, and water-bath space is connected with condenser system.
In described simulator, insulated space is located at top, water-bath space, and the end face in water-bath space is higher than inner sleeve bottom surface.
In described simulator, the outer wall of water-bath space place overcoat is provided with water inlet and freeing port, and water-bath is provided with stirrer in space.The effect of stirrer is mainly that the chilled water in water-bath space is stirred, the temperature that makes in water-bath space chilled water everywhere be consistent;
In described simulator, the outer wall of water-bath space place overcoat is provided with reduction valve.Reduction valve is a restricting element that shock resistance can change, by changing orifice size, the kinetic energy of flow velocity and fluid is changed, cause the different pressure losses, thereby reach the object of decompression, on the outer wall in water-bath space, reduction valve is set, can ensures the pressure security of water-bath space and condenser system.
Described condenser system comprises compressor, condenser, air strainer, evaporator and base, and compressor, condenser, air strainer and evaporator are circulated and are connected successively by pipeline; Evaporator is fixed in water-bath space, and compressor, condenser and air strainer are individually fixed in base.
Pipeline between described air strainer and evaporator is kapillary.Adopt kapillary as the throttle part in condenser system, mainly play throttling and hypotensive effect.
In the pipeline that described evaporator is connected with compressor, the pipeline that is arranged in water-bath space is provided with temperature sensor.Detect in real time the temperature of chilled water in water-bath space by temperature sensor, thereby regulate condenser system, can regulate better the temperature of chilled water, make in simulator soil environment closer to natural soil environment.
Described insulating sandwich is one or more in asbestos, zeyssatite, perlite, glass fibre, foamglass concrete, calcium silicate, polystyrene foam, polyvinyl chloride foam, ammonia ester foamed plastic or cork.
In described simulator, the stainless steel cylindrical structure that inner sleeve is hollow, inner sleeve diameter is 90～150cm, inner sleeve height is 15～45cm;
Overcoat is the rectangular structure of hollow, and jacket bottom is that the length of side is the square of 160cm, and overcoat height is 16～46cm; Overcoat is plastic wrapper, iron overcoat, steel overcoat or aluminum overcoat.
Analogue experiment installation for field soil environment of the cold end described above, can be applicable to soil thickness is the field soil environment pot experiment of the cold end of 15～45cm.
When this analogue experiment installation for field soil environment of the cold end uses, first assemble analogue experiment installation and debug to normal operating conditions, then according to test demand, pack the soil layer that thickness is 15～45cm into, adjust chilled water water temperature (being generally 10～30 DEG C) and discharge to test demand, just can carry out relevant pot experiment.Its principle is: in simulator, pack soil into, produce cooling effect by the chilled water in water-bath space, keep the temperature of soil by insulating sandwich, and by condenser system, the cooling water temperature in water-bath space is regulated, thereby simulate the natural soils environment in field, the cold end; Wherein, compressor, condenser, air strainer and evaporator composition closed circuit in condenser system, the pressurized air of compressor is first delivered to condenser, after condenser cooling, first filtered by filtrator, deliver to evaporator and cold soaking water carries out heat interchange again, thereby make cold soaking water for cooling, the higher temperatures air after heat interchange is sent compressor cycle utilization again back to.
The utility model, with respect to prior art, has following beneficial effect:
This analogue experiment installation for field soil environment of the cold end is simple in structure, provides reliable experimental provision for simulating field original position soil environment of the cold end, is convenient to carrying out of pot experiment, effectively reduces the difficulty of research work, also can obtain more accurate data.
This analogue experiment installation for field soil environment of the cold end can effectively overcome under field condition can only carry out the deficiency that a quarterly test is tested, can be according to test demand in the work that conducts a research of the arbitrary period of paddy growth, effectively irreversible restriction settling time, realize several times a year test, also realize the small size experiment in field, the cold end, simple to operate and facilitate.
This is for the analogue experiment installation of field soil environment of the cold end, by condenser system is set, can regulate according to the actual requirements the water yield and the water temperature of condensate water, simple to operate, and simulate effect is true to nature, be applied to after the research of field soil environment of the cold end, can obtain the data close to actual soil environment.
Brief description of the drawings
Fig. 1 is this principle schematic for the analogue experiment installation of field soil environment of the cold end.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
A kind of analogue experiment installation for field soil environment of the cold end of the present embodiment, comprise the simulator and the condenser system that are connected, as shown in Figure 1, simulator comprises inner sleeve 1 and overcoat 2, inside be sheathed in overcoat, separate insulated space 3 and water-bath space 4 are set between outer wall of inside race and outer casing inner wall, insulating sandwich is set in insulated space, water-bath space is connected with condenser system.
In simulator, insulated space is located at top, water-bath space, and the end face in water-bath space is higher than inner sleeve bottom surface.
In simulator, the outer wall of water-bath space place overcoat is provided with water inlet 5 and freeing port 6, is provided with stirrer 7 in water-bath space.The effect of stirrer is mainly that the chilled water in water-bath space is stirred, the temperature that makes in water-bath space chilled water everywhere be consistent;
In simulator, the outer wall of water-bath space place overcoat is provided with reduction valve 8.Reduction valve is a restricting element that shock resistance can change, by changing orifice size, the kinetic energy of flow velocity and fluid is changed, cause the different pressure losses, thereby reach the object of decompression, on the outer wall in water-bath space, reduction valve is set, can ensures the pressure security of water-bath space and condenser system.
Condenser system comprises compressor 9, condenser 10, air strainer 11, evaporator 12 and base 13, and compressor, condenser, air strainer and evaporator are circulated and are connected successively by pipeline; Evaporator is fixed in water-bath space, and compressor, condenser and air strainer are individually fixed in base.
Pipeline between air strainer and evaporator is kapillary.Adopt kapillary as the throttle part in condenser system, mainly play throttling and hypotensive effect.
In the pipeline that evaporator is connected with compressor, the pipeline that is arranged in water-bath space is provided with temperature sensor 14.Detect in real time the temperature of chilled water in water-bath space by temperature sensor, thereby regulate condenser system, can regulate better the temperature of chilled water, make in simulator soil environment closer to natural soil environment.
Insulating sandwich is one or more in asbestos, zeyssatite, perlite, glass fibre, foamglass concrete, calcium silicate, polystyrene foam, polyvinyl chloride foam, ammonia ester foamed plastic or cork.
In simulator, the stainless steel cylindrical structure that inner sleeve is hollow, inner sleeve diameter is 90cm, inner sleeve height is 15cm;
Overcoat is the rectangular structure of hollow, and jacket bottom is that the length of side is the square of 160cm, and overcoat height is 16cm; Overcoat is plastic wrapper.
Above-mentioned analogue experiment installation is applied to the field soil environment pot experiment of the cold end that soil thickness is 15cm.
When this analogue experiment installation for field soil environment of the cold end uses, first assemble analogue experiment installation and debug to normal operating conditions, then according to test demand, pack the soil layer that thickness is 15cm into, adjust chilled water water temperature and be 10 DEG C and discharge to test demand, simulate the impact that field low temperature of the cold end grows on early rice, carry out relevant pot experiment.
Its principle is: in simulator, pack soil into, produce cooling effect by the chilled water in water-bath space, keep the temperature of soil by insulating sandwich, and by condenser system, the cooling water temperature in water-bath space is regulated, thereby simulate the natural soils environment in field, the cold end; Wherein, compressor, condenser, air strainer and evaporator composition closed circuit in condenser system, the pressurized air of compressor is first delivered to condenser, after condenser cooling, first filtered by filtrator, deliver to evaporator and cold soaking water carries out heat interchange again, thereby make cold soaking water for cooling, the higher temperatures air after heat interchange is sent compressor cycle utilization again back to.
Embodiment 2
A kind of analogue experiment installation for field soil environment of the cold end of the present embodiment, compares with embodiment 1, and its difference is, in simulator, and the stainless steel cylindrical structure that inner sleeve is hollow, inner sleeve diameter is 120cm, inner sleeve height is 30cm;
Overcoat is the rectangular structure of hollow, and jacket bottom is that the length of side is the square of 160cm, and overcoat height is 36cm; Overcoat is iron overcoat.
Above-mentioned analogue experiment installation is applied to the field soil environment pot experiment of the cold end that soil thickness is 30cm.
When this analogue experiment installation for field soil environment of the cold end uses, first assemble analogue experiment installation and debug to normal operating conditions, then according to test demand, pack the soil layer that thickness is 30cm into, adjust chilled water water temperature and be 15 DEG C and discharge to test demand, simulate the impact that field low temperature of the cold end is tillered on early rice, carry out relevant pot experiment.
Embodiment 3
A kind of analogue experiment installation for field soil environment of the cold end of the present embodiment, compares with embodiment 1, and its difference is, in simulator, and the stainless steel cylindrical structure that inner sleeve is hollow, inner sleeve diameter is 150cm, inner sleeve height is 45cm;
Overcoat is the rectangular structure of hollow, and jacket bottom is that the length of side is the square of 160cm, and overcoat height is 46cm; Overcoat is iron overcoat.
Above-mentioned analogue experiment installation is applied to the field soil environment pot experiment of the cold end that soil thickness is 45cm.
When this analogue experiment installation for field soil environment of the cold end uses, first assemble analogue experiment installation and debug to normal operating conditions, then according to test demand, pack the soil layer that thickness is 45cm into, in the time of rice seedling 5 leaf one pin, transplant, water-bath initial temperature is since 10 DEG C, increased by 5 DEG C every 10 days, until bath temperature remains on 30 DEG C, simulate that field low temperature of the cold end grows on early rice and the impact of available nutrient of soil variation characteristic, carry out relevant pot experiment.
As mentioned above, just can realize preferably the utility model, above-described embodiment is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modify, all by the utility model claim scope required for protection is contained.
Claims (9)
1. for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, comprise the simulator and the condenser system that are connected, simulator comprises inner sleeve and overcoat, inside be sheathed in overcoat, separate insulated space and water-bath space are set between outer wall of inside race and outer casing inner wall, insulating sandwich is set in insulated space, water-bath space is connected with condenser system.
2. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, in described simulator, insulated space is located at top, water-bath space, and the end face in water-bath space is higher than inner sleeve bottom surface.
3. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, in described simulator, the outer wall of water-bath space place overcoat is provided with water inlet and freeing port, and water-bath is provided with stirrer in space.
4. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, in described simulator, the outer wall of water-bath space place overcoat is provided with reduction valve.
5. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, described condenser system comprises compressor, condenser, air strainer, evaporator and base, and compressor, condenser, air strainer and evaporator are circulated and are connected successively by pipeline; Evaporator is fixed in water-bath space, and compressor, condenser and air strainer are individually fixed in base.
6. according to claim 5 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, the pipeline between described air strainer and evaporator is kapillary.
7. according to claim 5 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, in the pipeline that described evaporator is connected with compressor, the pipeline that is arranged in water-bath space is provided with temperature sensor.
8. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, described insulating sandwich is one or more in asbestos, zeyssatite, perlite, glass fibre, foamglass concrete, calcium silicate, polystyrene foam, polyvinyl chloride foam, ammonia ester foamed plastic or cork.
9. according to claim 1 for the analogue experiment installation of field soil environment of the cold end, it is characterized in that, in described simulator, the stainless steel cylindrical structure that inner sleeve is hollow, inner sleeve diameter is 90～150cm, inner sleeve height is 15～45cm;
Overcoat is the rectangular structure of hollow, and jacket bottom is that the length of side is the square of 160cm, and overcoat height is 16～46cm; Overcoat is plastic wrapper, iron overcoat, steel overcoat or aluminum overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080932.7U CN203745459U (en) | 2014-02-25 | 2014-02-25 | Simulation experiment device for cold bottom field soil environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080932.7U CN203745459U (en) | 2014-02-25 | 2014-02-25 | Simulation experiment device for cold bottom field soil environment |
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| Publication Number | Publication Date |
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| CN203745459U true CN203745459U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420080932.7U Withdrawn - After Issue CN203745459U (en) | 2014-02-25 | 2014-02-25 | Simulation experiment device for cold bottom field soil environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869049A (en) * | 2014-02-25 | 2014-06-18 | 广东省农业科学院农业资源与环境研究所 | Simulation experiment device for simulating cold bottom field soil environment and application thereof |
-
2014
- 2014-02-25 CN CN201420080932.7U patent/CN203745459U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869049A (en) * | 2014-02-25 | 2014-06-18 | 广东省农业科学院农业资源与环境研究所 | Simulation experiment device for simulating cold bottom field soil environment and application thereof |
| CN103869049B (en) * | 2014-02-25 | 2015-10-21 | 广东省农业科学院农业资源与环境研究所 | For analogue experiment installation and the application thereof of field soil environment of the cold end |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20151021 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20151021 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |