CN204119839U - A kind of mechanical ventilation system for storing rapeseed of high moisture content - Google Patents
A kind of mechanical ventilation system for storing rapeseed of high moisture content Download PDFInfo
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- CN204119839U CN204119839U CN201420438752.1U CN201420438752U CN204119839U CN 204119839 U CN204119839 U CN 204119839U CN 201420438752 U CN201420438752 U CN 201420438752U CN 204119839 U CN204119839 U CN 204119839U
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- silo
- memory cell
- rapeseed
- ventilation
- moisture content
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Abstract
The utility model is a kind of mechanical ventilation system for storing rapeseed of high moisture content, it has silo, the wall of silo is evenly equipped with some axial flow blowers, particularly: a. is furnished with some groups of U-shaped ventilation networks on the ground of described silo, often organize U-shaped ventilation network and comprise a main air duct and two branch air ducts, described main air duct is connected by the centrifugal blower of airduct with silo outside, and the distance between described two branch air ducts is 0.8-2.7m, and branch air duct is provided with some uniform ventilation ducts; B. the space of every two groups of U-shaped ventilation networks and periphery thereof forms a memory cell, and the distance in each memory cell between adjacent two branch air ducts is equal, interval 1-1.5m between adjacent two memory cell; C. some airdryers are also evenly equipped with between several memory cell in described silo; The utility model solves a storage difficult problem for rapeseed of high moisture content, greatly reduces the carrying cost of rapeseed of high moisture content.
Description
Technical field
The utility model relates to technical field of food storage, especially a kind of mechanical ventilation system for storing rapeseed of high moisture content.
Background technology
Rape seed is one of most important oil crop of China, and rapeseed oil accounts for more than 40% of domestic vegetable oil total amount.Along with the continuous increase of rape seed purchase main body, Oilseed market has defined the gesture of panic buying to the purchase of rape seed, and high-moisture, high impurity purchase rape seed has become in recent years inevitably phenomenon.And the high-moisture of rape seed, high impurity store very dangerous, mainly because rape seed has following characteristic: (1) easily moisture absorption goes mouldy; (2) easily to germinate heat-dissipating; (3) respiration is vigorous, easily infested; (4) in heap, the gradation of moisture is little, and easy whole heap goes bad; (5) acid value and oil content change soon.
At present, the purchase moisture during listing of China rape seed is generally 14% ~ 28%, and Time To Market is concentrated, about about 30 days of the phase of purchase, and during this period, the short term stored of rape seed becomes the biggest problem that each generalized grain purchase main body faces.At present, the method for short term stored rapeseed of high moisture content generally has following three kinds: (1) deliver from godown full sun; (2) ask in storehouse, labour thin stand, frequently turn over ditch heat radiation; (3) utilize drying machine drying, moisture is controlled within 9%.In above-mentioned three kinds of methods, first and second kind of method is because required full sun area is large, and the reasons such as labor cost is high, and capacity is limited, are unfavorable for that enterprise purchases on a large scale, and stores not too safe and reliable, and rape seed carrying cost is up to more than 40 yuan/ton; The third method storage safe, utilization rate of warehouse is high, but dries cost up to 60 yuan/ton, causes enterprise profit severe decrease.
Force ventilation is as one of four grain storage new technologies, extensive use in most of grain depot, that a kind of cost is low, the grain storage new technology that safety is high, force ventilation technology is utilized to store paddy, wheat, corn, the warehouse of the grains such as soybean has defined unified building standard, but for the grain that this Nature comparison of rape seed is special, simply apply mechanically paddy, the force ventilation warehouse structure of the grains such as wheat is impracticable, a lot of enterprises trial force ventilation technology oil in reserve vegetable seed, all end in failure, therefore, research and develop a kind of mechanical ventilation system of applicable rapeseed of high moisture content safe storage, being reduced by the storage cost of rapeseed of high moisture content is the problem that vast oil enterprises needs solution badly.
Summary of the invention
It is all based on high-moisture, the purchase of high impurity that the purpose of this utility model is purchased for current rape seed exactly, and the short term stored cost of rapeseed of high moisture content is high, and the insecure problem of storage method, a kind of mechanical ventilation system for storing rapeseed of high moisture content is provided, the utility model significantly can reduce the storage cost of rapeseed of high moisture content, improves the economic benefit of enterprise.
A kind of mechanical ventilation system for storing rapeseed of high moisture content of the present utility model, there is silo, the wall of described silo, Cang Ding and ground are equipped with waterproof, thermal insulation layer, some axial flow blowers have been evenly arranged on the wall top of silo, particularly: a. is furnished with some groups of U-shaped ventilation networks along silo width on the ground of described silo, often organize U-shaped ventilation network and comprise a main air duct and two branch air ducts, described main air duct is connected by the centrifugal blower of airduct with silo outside, branch air duct is connected by elbow with main air duct, the tail end of branch air duct is enclosed construction, distance between described two branch air ducts is 0.8-2.7m, each branch air duct is overlapped by some cages that saves land and forms, cage has air vent A, often save land on cage and be evenly equipped with 2-4 root ventilation duct straight up, the top of ventilation duct is hermetically-sealed construction, the length of ventilation duct is 1.2-3.7m, tube wall has air vent B, b. the space of every two groups of U-shaped ventilation networks and periphery 0.5-0.8m thereof forms a memory cell, the memory space of each memory cell is 200-250 ton, heap height is 1.5-4.1m, and the distance in each memory cell between adjacent two branch air ducts is equal, interval 1-1.5m between adjacent two memory cell, c. some airdryers have also been evenly arranged between several memory cell in described silo.
The air vent A of described cage is list structure, and the width of air vent A is 0.6-0.8mm, and length is 10-15mm, and the percent opening of cage is 35 ~ 40%, and thickness is 2.5-3.0mm.Cage of the present utility model is the particle diameter custom-made according to rape seed, also common grain storage cage can be used in certain the utility model, but need to cover in cage the nylon fine sand net that one deck or two-layer aperture are 0.8-1.2mm in use, bleed in cage to prevent rape seed.
Described ventilation duct is processed with some uniform ridge projections, air vent B is " V " type structure and is positioned at the bottom of ridge projections, and the width of air vent B is 0.6-0.8mm.Ventilation duct of the present utility model is the characteristic custom-made of, poor thermal conductivity little for rape seed porosity, the Main Function of this ventilation duct supplements ventilation in the inside of rape seed heap, and the place that in the middle part of two branch air ducts, rape seed is not easily ventilated fully is ventilated, to ensure the safety of rape seed; Ventilation duct in certain the utility model can also be other structure, ventilates completely as long as can realize rape seed heap inside.
The utility model in use, first according to the moisture of rape seed, determine the air approach ratio needed for rape seed storage, suitable branch air duct spacing is set, then by do not have in memory cell wall while block with the rape seed bag of drying encapsulation, the 200-250 ton rape seed belt conveyer of consistent for moisture (in heap, the difference of the moisture of rape seed is no more than 2%) is transported in memory cell and piles stacking, smooth grain face.At fair weather, according to the grain moisture content in seed heap and external air conditions, conventional mechanical ventilation is carried out to rape seed, when weather experience continuous print is overcast and rainy, the working relative humidity of airdryer is set as 65%, and airdryer starts voluntarily when silo humidity is greater than 65% and dehumidifies, thus ensures that in silo, grain moisture content can not raise, temperature in grain heap also would not raise, and can ensure that water content is 14-28% rape seed safe storage 2-4 month like this.After the purchase of rape seed, immediately rape seed is carried out extracting oil.The utility model uses through the actual production of 2012-2014 years 3 years, rapeseed of high moisture content moisture stored by discovery is all stabilized between 9-13.5%, Keep the quality and freshness is respond well, oil yield is stablized, finished product quality is intact, and storage cost only has 9.2-14.6 yuan/ton, purchase volume is that the enterprise of 1.5 ten thousand tons calculates per year, can save storage cost 40-80 ten thousand yuan.
The utility model has the following advantages:
1. solve a storage difficult problem for rapeseed of high moisture content: the rape seed Keep the quality and freshness within water content 28% can be stored 2-4 month, and cost is controlled within 14.6 yuan/ton, press most preferably scheme implementation, storage cost can be controlled within 9.5 yuan/ton, both efficiently solve the high-moisture storage problem of rape seed, solve again the problem of purchasing and affecting by capacity;
2. storage method is easy, is easy to operation: utilize mechanical ventilation system to store, wholely stores up the inefficent heavy muscular labor lowly of process, simple operation;
3. that improves purchase main body rapeseed of high moisture content stores up ability: the method utilizing force ventilation, solve tradition purchase rapeseed of high moisture content by capacity restriction drawback, take full advantage of the capacity of enterprise, greatly improve the ability of storing up;
4. guarantee that fats and oils processing raw material is fresh, oil meal quality is intact: use the rapeseed of high moisture content that mechanical ventilation system stores, no matter ensure that the freshness of raw material to greatest extent, be oil yield, acid value, peroxide value, or the index of quality such as the crude protein content of dregs of rice class is not nearly all suffered a loss;
5. facilitate peasant to sell rape seed in time, reduce the loss: purchase main body can guarantee safe storage, purchase could be opened wide in time, no longer sell the rape seed time because restriction purchase Shui Zaershi peasant household delays, cause in peasant household's hand, occur that rape seed is generated heat, go mouldy, quality reduces the rape seed caused and is worth and reduces, decrease the loss of peasant, improve the two-way economic benefit of peasant household and enterprise.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is top plan view structural representation of the present utility model;
Fig. 3 is the enlarged diagram at Fig. 1 I place;
Fig. 4 is the enlarged diagram at Fig. 2 II place.
In figure: 1-silo, 2-wall, 3-ground, 4-axial flow blower, 5-U-shaped ventilation network, 6-main air duct, 7-branch air duct, 8-airduct, 9-centrifugal blower, 10-elbow, 11-cage, 12--air vent A, 13-ventilation duct, 14-air vent B, 15-memory cell, 16-airdryer, 17-ridge projections.
Embodiment
The present embodiment, for the national standard tall bungalow granary of 60m × 20m × 6m, explains the arrangement of mechanical ventilation system of the present utility model.See Fig. 1, Fig. 2, two memory cell only drawn in Fig. 1, Fig. 2 in part silo are illustrated, all the other repeated storage unit do not draw in the drawings one by one.
See Fig. 1, Fig. 2, a kind of mechanical ventilation system for storing rapeseed of high moisture content of the present utility model, there is silo 1, the wall 2 of described silo 1, storehouse top (not shown) and ground 3 are equipped with waterproof, thermal insulation layer, some axial flow blowers 4 have been evenly arranged on wall 2 top of silo 1, particularly: a. is furnished with some groups of U-shaped ventilation networks 5 along silo width on the ground 3 of described silo 1, often organize U-shaped ventilation network 5 and comprise a main air duct 6 and two branch air ducts 7, described main air duct 6 is connected with the centrifugal blower 9 of silo outside by airduct 8, branch air duct 7 is connected by elbow 10 with main air duct 6, the tail end of branch air duct 7 is enclosed construction, distance between described two branch air ducts 7 is 0.8-2.7m, each branch air duct 7 is overlapped by some cages 11 that saves land and forms, cage 11 has air vent A12, often save land on cage 11 and be evenly equipped with 2-4 root ventilation duct 13 straight up, the top of ventilation duct 13 is hermetically-sealed construction, the length of ventilation duct 13 is 1.2-3.7m, tube wall has air vent B14, b. the space of every two groups of U-shaped ventilation networks 5 and periphery 0.5-0.8m thereof forms a memory cell 15, the memory space of each memory cell 15 is 200-250 ton, heap height is 1.5-4.1m, distance in each memory cell 15 between adjacent two branch air ducts 7 is equal, interval 1-1.5m between adjacent two memory cell 15, c. some airdryers 16 have also been evenly arranged between several memory cell 15 in described silo 1.
Length × wide × height=60m × 20m × the 6m of silo described in the present embodiment, main air duct and the silo distance between the walls of described U-shaped ventilation network are 0.5m, branch air duct tail end and silo distance is between the walls 0.5m, memory cell is 8, the memory space of single memory cell is 250 tons, heap height is 2.5m, and the spacing between adjacent two branch air ducts is 1.5m; Described centrifugal blower is 16, and axial flow blower is 5, and airdryer is 2; The power of described centrifugal blower is 7.5KW/h, and the power of axial flow blower is 1.1KW/h, and the power of airdryer is 4.9KW/h.
See Fig. 3, ventilation duct 13 described in the present embodiment is processed with some uniform ridge projections 17, air vent B14 is " V " type structure and is positioned at the bottom of ridge projections 17, and the width of air vent B14 is 0.6-0.8mm.The ventilation duct of the present embodiment is the characteristic custom-made of, poor thermal conductivity little for rape seed porosity, the Main Function of this ventilation duct supplements ventilation in the inside of rape seed heap, and the place that in the middle part of two branch air ducts, rape seed is not easily ventilated fully is ventilated, to ensure the safety of rape seed; Ventilation duct in certain embodiment can also be other structure, ventilates completely as long as can realize rape seed heap inside.
See Fig. 4, the air vent A12 of cage 11 described in the present embodiment is list structure, and the width of air vent A12 is 0.6-0.8mm, and length is 10-15mm, and the percent opening of cage 11 is 35 ~ 40%, and thickness is 2.5-3.0mm.The cage of the present embodiment is the particle diameter custom-made according to rape seed, also common grain storage cage can be used in certain the present embodiment, but need to cover in cage the nylon fine sand net that one deck or two-layer aperture are 0.8-1.2mm in use, bleed in cage to prevent rape seed.
Through production application, the mechanical ventilation system of discovery the present embodiment carries out the storage of rapeseed of high moisture content, bimestrial storage expenses only needs 9.2 yuan/ton, and use other schemes in the utility model claims to store, as long as bimestrial storage expenses is the highest also 14.6 yuan/ton, greatly reduce the storage expenses of rapeseed of high moisture content, bring practical economic benefit to vast oil enterprises.
Claims (3)
1. one kind for storing the mechanical ventilation system of rapeseed of high moisture content, there is silo, the wall of described silo, Cang Ding and ground are equipped with waterproof, thermal insulation layer, some axial flow blowers have been evenly arranged on the wall top of silo, it is characterized in that: a. is furnished with some groups of U-shaped ventilation networks along silo width on the ground of described silo, often organize U-shaped ventilation network and comprise a main air duct and two branch air ducts, described main air duct is connected by the centrifugal blower of airduct with silo outside, branch air duct is connected by elbow with main air duct, the tail end of branch air duct is enclosed construction, distance between described two branch air ducts is 0.8-2.7m, each branch air duct is overlapped by some cages that saves land and forms, cage has air vent A, often save land on cage and be evenly equipped with 2-4 root ventilation duct straight up, the top of ventilation duct is hermetically-sealed construction, the length of ventilation duct is 1.2-3.7m, tube wall has air vent B, b. the space of every two groups of U-shaped ventilation networks and periphery 0.5-0.8m thereof forms a memory cell, the memory space of each memory cell is 200-250 ton, heap height is 1.5-4.1m, and the distance in each memory cell between adjacent two branch air ducts is equal, interval 1-1.5m between adjacent two memory cell, c. some airdryers have also been evenly arranged between several memory cell in described silo.
2. a kind of mechanical ventilation system for storing rapeseed of high moisture content according to claim 1, it is characterized in that: the air vent A of described cage is list structure, the width of air vent A is 0.6-0.8mm, and length is 10-15mm, the percent opening of cage is 35 ~ 40%, and thickness is 2.5-3.0mm.
3. a kind of mechanical ventilation system for storing rapeseed of high moisture content according to claim 1, it is characterized in that: described ventilation duct is processed with some uniform ridge projections, air vent B is " V " type structure and is positioned at the bottom of ridge projections, and the width of air vent B is 0.6-0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438752.1U CN204119839U (en) | 2014-08-06 | 2014-08-06 | A kind of mechanical ventilation system for storing rapeseed of high moisture content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420438752.1U CN204119839U (en) | 2014-08-06 | 2014-08-06 | A kind of mechanical ventilation system for storing rapeseed of high moisture content |
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| Publication Number | Publication Date |
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| CN204119839U true CN204119839U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420438752.1U Expired - Fee Related CN204119839U (en) | 2014-08-06 | 2014-08-06 | A kind of mechanical ventilation system for storing rapeseed of high moisture content |
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| CN (1) | CN204119839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137716A (en) * | 2014-08-06 | 2014-11-12 | 湖北中禾粮油有限公司 | Mechanical ventilating system for storing high-moisture rapeseeds and ventilating method of mechanical ventilating system |
| CN104943531A (en) * | 2015-06-19 | 2015-09-30 | 许继电气股份有限公司 | Energy storage cabin air duct system and energy storage cabin with air duct system |
-
2014
- 2014-08-06 CN CN201420438752.1U patent/CN204119839U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137716A (en) * | 2014-08-06 | 2014-11-12 | 湖北中禾粮油有限公司 | Mechanical ventilating system for storing high-moisture rapeseeds and ventilating method of mechanical ventilating system |
| CN104137716B (en) * | 2014-08-06 | 2015-11-18 | 湖北中禾粮油有限公司 | A kind of mechanical ventilation system for storing rapeseed of high moisture content and method of ventilation thereof |
| CN104943531A (en) * | 2015-06-19 | 2015-09-30 | 许继电气股份有限公司 | Energy storage cabin air duct system and energy storage cabin with air duct system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20180806 |