CN104170776A - Electric heating wire heating method for overwintering heat preservation of tilapia - Google Patents
Electric heating wire heating method for overwintering heat preservation of tilapia Download PDFInfo
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- CN104170776A CN104170776A CN201410355803.9A CN201410355803A CN104170776A CN 104170776 A CN104170776 A CN 104170776A CN 201410355803 A CN201410355803 A CN 201410355803A CN 104170776 A CN104170776 A CN 104170776A
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- fence
- heating wire
- pond
- tilapia
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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
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses an electric heating wire heating method for overwintering heat preservation of tilapia. The method comprises the steps as follows: 1) a fence with the area accounting for 5-10% of that of a pond or a small reservoir is arranged in the pond or the small reservoir; 2) an upper headline of the fence is fixed on fixed piles on two sides through steel wire ropes, timber piles or steel pipes are inserted underwater every 0.5-1.5 m to be used as supporting piles, waterproof and heat-insulating materials are sewn on the supporting piles of the upper headline of the fence, and straight pipe bags are sewn on a lower headline of the fence; 3) a fish inlet/outlet is arranged on the fence, and a door curtain which is 0.5-1.5 m wide is hung on the fish inlet/outlet; 4) electric heating wires are arranged in the fence, each electric heating wire is 80-120 m long, the power is in a range of 1800-2200 watts, and 6-7 electric heating wires are arranged per mu of a culture area; 5) a feed table is arranged at the gate of the fence, an aerator is arranged in the fence, and a shading net is arranged above the fence. The heating method is low in cost, few in one-time investment and reusable, and the overwintering survival rate of the tilapia can exceed 80% with the new method.
Description
Technical field
The present invention relates to a kind of heating wire heating method for living through winter for tilapia insulation.
Background technology
Tilapia mossambica is tropic fishes, under pond culture condition, when pond water temperature surpasses 1 week Tilapia mossambica 14 ℃ of duration over 2 weeks, 12 ℃ duration, just there will be death.Therefore, there is certain limitation the main producing region of China Tilapia mossambica, mainly concentrates on Guangdong, Hainan, Guangxi and provinces and regions, 4, Fujian, and gross yield accounts for 90% of national gross yield.And even if these 4 provinces and regions, except Hainan Province, other regional cultivating tilapia of China all needs to take the Insulation could safe overwintering winter.
In prior art, living through winter for tilapia insulation cultural method generally has heat preservation greenhouse, power station hot water or GEOTHERMAL WATER insulation etc.
Building the heat preservation greenhouse of surviving the winter is the means of comparatively effectively surviving the winter at present.Utility model (application number: CN201120164492.X, grant number: CN202135586U) disclose a kind of Tilapia wintering plastic canopy, for surviving the winter of Tilapia mossambica.This booth integral body is inclined plane shape, highest point is highly between 1.8-2.5m, comprise vertical support bar, transverse support bar, heat insulating anti-skidding bed course, film suppressing layer and aerator, vertically support bar is vertically fixed on around fish pond, transverse support bar is fixed between vertical support bar, by covering plastic thin film, on the inclined-plane forming, by the suppression of film suppressing layer tractive, on plastic film, described inclined-plane and ground angle are between 25-45 degree.This plastic tunnel is drawn materials conveniently, and production technology is simple, cost is low, corrosion-resistant, service life is long, can economy help easily Tilapia mossambica to survive the winter smoothly.But the main shortcoming of the booth thermal insulation mode of surviving the winter is: disposable input is larger, the construction cost of this plastic tunnel is at least 5000 yuan/mu.On the other hand, although build the booth of surviving the winter, be the means of comparatively effectively surviving the winter at present, drop into and too highly make a lot of peasant households be difficult to bear.If Guangxi, a lot of region, Guangdong warmer climate in winter, Tilapia mossambica also can pass the winter once in a while naturally, so raiser often has the idea of leaving things to chance of " gambling weather ", and is reluctant that infusion of financial resources builds booth.Therefore, the bad weather in winter recent years often makes raiser suffer heavy losses.
Power station hot water or GEOTHERMAL WATER insulation cost are lower, and survival rate is high, but the method requires locality must have corresponding resource, could use, and are used regional limits larger, cannot use on a large scale.
In sum, there is larger limitation in the method for existing living through winter for tilapia insulation cultivation, and therefore, researching and developing a kind of novel living through winter for tilapia insulation cultural method is problem demanding prompt solution in prior art.
Summary of the invention
Technical problem to be solved by this invention is that to overcome in prior art living through winter for tilapia heat preserving method cost high and/or be subject to the defect that regional limits is large, and a kind of heating wire heating method for living through winter for tilapia insulation is provided.Heating wire heating method for living through winter for tilapia insulation of the present invention is not subject to region limitation, disposable less investment, can reuse, one day power consumption is 1 degree/mu left and right, without specific resources, be widely used in China and need adopt Insulation to carry out the region of surviving the winter of Tilapia mossambica, and integrated cost is also lower than building the booth of surviving the winter.Tilapia mossambica adopts this new method overwintering survival rate to reach more than 80%.
The present invention solves the problems of the technologies described above by the following technical programs:
For a heating wire heating method for living through winter for tilapia insulation, described wire-heated method comprises the following steps:
(1) in pond or reservoir, fence is set, the area of described fence is described pond or the 5-10% of small reservoir cultured area, described fence exaggerated exceeds described pond or the water surface in small reservoir, the bottom of the bottom of described fence and described pond or small reservoir overlapping or be positioned at described in pond or the below of the bottom of small reservoir;
(2) described fence exaggerated is fixed on steel wire rope on the spud pile on bank both sides, and exceed the water surface, every 0.5-1.5m, with timber or steel pipe, insert the bottom and make supporting pile, and with water-proof thermal insulation material, be sewn on the exaggerated and described supporting pile of described fence, the pipe bag that the infraclass seam diameter of described fence is 10-20cm, described pipe bag is filled fine sand and is made sinker;
(3) shoal of fish is set on described fence and imports and exports, the described shoal of fish is imported and exported the wide door curtain of the upper 0.5-1.5m of extension, and described door curtain is fixed without sinker from 0.5-0.6m lower end at the bottom of pond, the door opening that can free in and out as water and fish;
(4) in the inner space of described fence, be provided with heating wire, energising heat temperature raising; The length of described heating wire is 80-120m/ root, and the power of described heating wire is 1800-2200 watt, and the quantity of described heating wire is every mu of culturing area 6-7 root;
(5) at described 0.5-2m place, fence doorway, feed table is set;
(6) in the inner space of described fence, aerator is set;
(7) shading net is set above described fence;
The order of step in above-mentioned steps (2)-(7) can be exchanged arbitrarily.
For technique scheme, do following further instruction below:
The length of described heating wire is preferably 100m/ root.The power of described heating wire is preferably 2000 watts.Described heating wire is preferably switched on and is heated to more than 18 ℃.
Described water-proof thermal insulation material is preferably PVC Tarpauling.Described water-proof thermal insulation material is preferably one deck or two-layer.The thickness of described water-proof thermal insulation material is preferably 0.5mm.
The quantity that the described shoal of fish is imported and exported is preferably 1-2, is more preferably 1.
Described feed table lures that by food Tilapia mossambica easily finds the shoal of fish to import and export and enter described warm water district into.
Described aerator is preferably the impeller automatic aerator of power 1.5kw.Described aerator, for giving the fingerling oxygenation of surviving the winter, prevents that fish from assembling the anoxic causing.
Described shading net is used for preventing that the problems such as frost from causing frostbite to Tilapia mossambica.
The present invention before by the end of November according to the survive the winter area of pond or small reservoir and the laying that shape completes heater wire, the position of laying is arranged in water level bosom, pond as far as possible, and take into account and be convenient to electricity consumption and constructability, and bait throwing in point be transferred to cloth heater wire directly over and carry out hot-line test, make fish be accustomed to ingesting directly over heater wire (being exactly the region of " Tang Zhongtang " while surviving the winter).
Before mid-December, completed working every the pool of colour bar cloth, pond or small reservoir are separated into the region of 2 difference in functionalitys, little region is exactly so-called " Tang Zhongtang ", all the other Cheng Wai pools, region, and each " Tang Zhongtang " will be within the region of the heater wire of cloth be all trapped among colour bar cloth before; Every the pool, worked and just started after ready, the heater wire heating that switches on power, to make the temperature on the pool in the pool higher than the outer pool, and the bait of throwing something and feeding in Tang Zhongtang, make fish sense the temperature difference on the Tang Zhongtang Yu Wai pool and when low temperature custom in entering Tang Zhongtang, go to a winter resort and survive the winter.
Positive progressive effect of the present invention is: the heating wire heating method for living through winter for tilapia insulation of the present invention, at one jiao of enclosure of Tilapia mossambica cultivating pool, become the region (claiming " Tang Zhongtang ") of a small size, overwintering period is laid heating wire energising heating in " Tang Zhongtang ", make " Tang Zhongtang " water body keep certain water temperature, for the heating of overwintering period Tilapia mossambica, go to a winter resort, make Tilapia mossambica can be in " Tang Zhongtang " of insulation safe overwintering.Heating wire heating method for living through winter for tilapia insulation of the present invention is without building in advance any facility, if weather condition is better, winter temperature is higher, Tilapia mossambica can overwintering, once climatic deterioration, low temperature overlong time can be set up device of the present invention temporarily, realizes Tilapia mossambica safe overwintering.Heating wire heating method for living through winter for tilapia insulation of the present invention greatly reduces the cost of living through winter for tilapia, there is no regional limits, and Tilapia mossambica survival rate is improved greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of cultivating system of the living through winter for tilapia insulation of embodiment 1.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example, according to conventional method and condition, or selects according to catalogue.
Embodiment 1
In September, 2013,2 meters of ponds of the depth of water put 7 in a suitable place to breed towards specification Sarotherodon sp fry 5500 tails 2.25 mu of areas, occurred continuous 5 cultivating systems that temperature degree is incubated lower than 14 ℃ of living through winter for tilapia that start to build as shown in Figure 1 everyday cultivation on December 21st, 2013;
(1) fence is set in pond, fence area 120 ㎡, the exaggerated water surface exceeding in pond of fence, the bottom of fence at the bottom of blocking pond cuts off water;
(2) described fence exaggerated is fixed on steel wire rope 5 on the spud pile on bank both sides, and exceed the water surface, every 1m, with timber or steel pipe 7, insert the bottom and make supporting pile, and with water-proof thermal insulation material 6 (parallel two-layer PVC Tarpauling, thickness 0.5mm) be sewn on the exaggerated and supporting pile of fence, fence infraclass seam diameter is 10cm pipe bag 8, and pipe bag 8 is filled fine sand and made sinker;
(3) shoal of fish is set on fence and imports and exports 1, width 0.8m, the shoal of fish is imported and exported on 1 and hangs the wide door curtain of 0.5-1.5m, and described door curtain is fixed without sinker from 0.5-0.6m lower end at the bottom of pond, the door opening that can free in and out as water and fish;
(4) in the inner space of described fence, be provided with heating wire 4, the length of heating wire 4 is 100m/ root, and power is 2000 watts, 15 of quantity; Energising heat temperature raising;
(5) at 1m place, fence doorway, feed table 2 is set;
(6) impeller automatic aerator 3 of 1.5kw is set in the inner space of fence;
(7) shading net is set above fence.
After above-mentioned deploying, start to heat successively and improve temperature in fence, fish automatically enters in hurdle and survives the winter, and sees that weather and water temperature feed intake in right amount.When in hurdle, water temperature is minimum, also can guarantee at 15 ℃.Cultivation to 2014 year May, fish for adult fish 4576 tails, survival rate reaches 83.2%, more than specification 500g.
Comparative example 1
Cultivating condition identical with embodiment 1, but the heating wire heating method of the living through winter for tilapia insulation of embodiment 1 do not used, and living through winter for tilapia survival rate is 32.2-58.4% only.
Claims (9)
1. for a heating wire heating method for living through winter for tilapia insulation, it is characterized in that: described wire-heated method comprises the following steps:
(1) in pond or small reservoir, fence is set, the area of described fence is described pond or the 5-10% of small reservoir cultured area, described fence exaggerated exceeds described pond or the water surface in small reservoir, the bottom of the bottom of described fence and described pond or small reservoir overlapping or be positioned at described in pond or the below of the bottom of small reservoir;
(2) described fence exaggerated is fixed on steel wire rope on the spud pile on bank both sides, and exceed the water surface, every 0.5-1.5m, with timber or steel pipe, insert the bottom and make supporting pile, and with water-proof thermal insulation material, be sewn on the exaggerated and described supporting pile of described fence, the pipe bag that the infraclass seam diameter of described fence is 10-20cm, described pipe bag is filled fine sand and is made sinker;
(3) shoal of fish is set on described fence and imports and exports, the described shoal of fish is imported and exported the wide door curtain of the upper 0.5-1.5m of extension, and described door curtain is fixed without sinker from 0.5-0.6m lower end at the bottom of pond, the door opening that can free in and out as water and fish;
(4) in the inner space of described fence, be provided with heating wire, energising heat temperature raising; The length of described heating wire is 80-120m/ root, and the power of described heating wire is 1800-2200 watt, and the quantity of described heating wire is every mu of culturing area 6-7 root;
(5) at described 0.5-2m place, fence doorway, feed table is set;
(6) in the inner space of described fence, aerator is set;
(7) shading net is set above described fence;
The order of step in above-mentioned steps (2)-(7) can be exchanged arbitrarily.
2. heating wire heating method as claimed in claim 1, is characterized in that: the length of described heating wire is 100m/ root.
3. heating wire heating method as claimed in claim 1, is characterized in that: the power of described heating wire is 2000 watts.
4. heating wire heating method as claimed in claim 1, is characterized in that: described heating wire energising is heated to more than 18 ℃.
5. heating wire heating method as claimed in claim 1, is characterized in that: described water-proof thermal insulation material is PVC Tarpauling.
6. heating wire heating method as claimed in claim 1, is characterized in that: described water-proof thermal insulation material is one deck or two-layer.
7. heating wire heating method as claimed in claim 1, is characterized in that: the thickness of described water-proof thermal insulation material is 0.5mm.
8. heating wire heating method as claimed in claim 1, is characterized in that: the quantity that the described shoal of fish is imported and exported is 1-2.
9. heating wire heating method as claimed in claim 1, is characterized in that: described aerator is the impeller automatic aerator of power 1.5kw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355803.9A CN104170776A (en) | 2014-07-24 | 2014-07-24 | Electric heating wire heating method for overwintering heat preservation of tilapia |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410355803.9A CN104170776A (en) | 2014-07-24 | 2014-07-24 | Electric heating wire heating method for overwintering heat preservation of tilapia |
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| CN104170776A true CN104170776A (en) | 2014-12-03 |
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| CN201410355803.9A Pending CN104170776A (en) | 2014-07-24 | 2014-07-24 | Electric heating wire heating method for overwintering heat preservation of tilapia |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920277A (en) * | 2015-06-11 | 2015-09-23 | 广西玉林市鑫坚种养有限公司 | Fish fry breeding multilayer heat insulation pond structure |
| CN106234292A (en) * | 2016-10-10 | 2016-12-21 | 中国水产科学研究院淡水渔业研究中心 | A kind of tropical fish temperature island wintering pond |
| CN110651744A (en) * | 2019-10-25 | 2020-01-07 | 长江水利委员会长江科学院 | Artificial overwintering farm site selection and construction method for plateau fishes |
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| CN101569292A (en) * | 2009-05-27 | 2009-11-04 | 中国水产科学研究院淡水渔业研究中心 | Method for conserving overwintering breeds by fencing tilapia |
| CN101627738A (en) * | 2009-08-20 | 2010-01-20 | 黄溪龙 | Technology for implementing anti-season tilapia seedling raising by building greenhouse in winter |
| CN101642070A (en) * | 2009-09-03 | 2010-02-10 | 黄溪龙 | Technology for actualizing inverse season hybridization breeding of java tilapia in greenhouse constructed in winter |
| CN203206969U (en) * | 2013-04-28 | 2013-09-25 | 象山星旗电器科技有限公司 | Fish overwintering culture pond |
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2014
- 2014-07-24 CN CN201410355803.9A patent/CN104170776A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569292A (en) * | 2009-05-27 | 2009-11-04 | 中国水产科学研究院淡水渔业研究中心 | Method for conserving overwintering breeds by fencing tilapia |
| CN101627738A (en) * | 2009-08-20 | 2010-01-20 | 黄溪龙 | Technology for implementing anti-season tilapia seedling raising by building greenhouse in winter |
| CN101642070A (en) * | 2009-09-03 | 2010-02-10 | 黄溪龙 | Technology for actualizing inverse season hybridization breeding of java tilapia in greenhouse constructed in winter |
| CN203206969U (en) * | 2013-04-28 | 2013-09-25 | 象山星旗电器科技有限公司 | Fish overwintering culture pond |
Non-Patent Citations (1)
| Title |
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| 周昕: "《淡水养鱼机械及应用》", 31 August 1991, article "淡水养鱼机械及应用" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104920277A (en) * | 2015-06-11 | 2015-09-23 | 广西玉林市鑫坚种养有限公司 | Fish fry breeding multilayer heat insulation pond structure |
| CN106234292A (en) * | 2016-10-10 | 2016-12-21 | 中国水产科学研究院淡水渔业研究中心 | A kind of tropical fish temperature island wintering pond |
| CN106234292B (en) * | 2016-10-10 | 2022-03-11 | 中国水产科学研究院淡水渔业研究中心 | Tropical fish warm island formula pond of surviving winter |
| CN110651744A (en) * | 2019-10-25 | 2020-01-07 | 长江水利委员会长江科学院 | Artificial overwintering farm site selection and construction method for plateau fishes |
| CN110651744B (en) * | 2019-10-25 | 2021-04-23 | 长江水利委员会长江科学院 | Artificial overwintering farm site selection and construction method for plateau fishes |
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Application publication date: 20141203 |