CN202722276U - Fish culture system utilizing saline-alkaline water - Google Patents
Fish culture system utilizing saline-alkaline water Download PDFInfo
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- CN202722276U CN202722276U CN 201220427700 CN201220427700U CN202722276U CN 202722276 U CN202722276 U CN 202722276U CN 201220427700 CN201220427700 CN 201220427700 CN 201220427700 U CN201220427700 U CN 201220427700U CN 202722276 U CN202722276 U CN 202722276U
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- saline
- ammonia nitrogen
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Abstract
The utility model belongs to the field of fish culture, aims to solve the problem that circulating-water culture utilizing saline-alkaline water are not applied in the prior art, and relates to a fish culture system utilizing saline-alkaline water. The fish culture system comprises a PLC (programmable logic controller), a fishpond, a pH probe, a electromagnetic valve, a solid filtering part, a water recycling tank, a first water pump, a saline-alkaline water tank, a second water pump and a biological ammonia nitrogen removing part. The pH probe is disposed in the fishpond. A water quality monitoring signal of the pH probe is transmitted to the PLC which controls on and off of the electromagnetic valve. Water in the fishpond enters the solid filtering part through the electromagnetic valve, the wafer enters the water recycling tank after solid and suspended matter filtering, the water in the water recycling tank is pumped to the biological ammonia nitrogen removing part by the first water pump, and the water flows back to the fishpond after ammonia nitrogen removing.
Description
Technical field
The utility model relates to the fish cultivating system that utilizes saline-alkali water, belongs to the fish culture field.
Background technology
China is a country that saline-alkali water is more, and there are 4.1 ten thousand km in the whole nation
2Saline and alkaline lake, account for 75% of the lake gross area, wherein, have 60% saline and alkaline lake to be in the desertification state.Under the ever-increasing condition of social demand of the day by day atrophy of fish production available resources, aquatic products, widen suitable fishing waters, uncultivated saline-alkali water is used gradually, open up the fish production frontier, have very important significance for the development fish production.
In the fish culture process, fish are larger for the accommodation of salinity, and some fish can adapt to higher salinity such as seawater fish and some migrating fish classes.In certain salinity range, the principal element of restriction fish growth is that basicity is too high in the saline-alkali water, how to reduce basicity and on the impact of fish growth, is to utilize saline-alkali water to carry out the key of fish culture.
In the circulating water cultivation process, fish physiological metabolism and the excremental biological treatment of cultivation are processes of producing acid.Under the high-density breeding condition, because the forage volume that cultured fishes are thrown something and fed is large, Metabolism of Fishes is vigorous, excreta is many, so that above-mentioned acid process accelerates, aquaculture water is known from experience very fast acidifying, must carry out replenishing of alkaline matter.The fresh water circulating water cultivation usually adds sodium bicarbonate and sodium hydroxide is regulated, and consumption is large, cost is high.Utilize saline and alkaline water body to carry out circulating water cultivation, be exactly basicity and the variation of pH value by the monitoring breeding water body, in time replenish alkaline water body, to adjust the acid-base value of breeding water body, it is remained in the normal range (NR) (pH value 7～7.5), guarantee the normal growth of cultured fishes.This mode has not only reduced the cost of regulating circulating water cultivation water quality, and has developed the saline-alkali water resource and carry out aquaculture.
Fish recirculating aquaculture is a kind of high-tech industry mode of production that integrates modern project technology, water technology and aquaculture technology.Water body recycles, but saving water resource and land resources, protection of the environment, the disease that reduces; Cultivation density can reach 20-50 times of traditional cultivation density, and water consumption only needs the 1/100-1/300 of traditional breeding way; As far back as last century 60-70 age Europe just begin to utilize facilities and equipment to carry out intensive aquaculture production.The middle and later periods nineties in last century, Europe and north america have been formulated strict zero emission standard to the attention of water area ecological environment to aquaculture, make the circulating water cultivation fishery obtain fast development.The production technologies such as fresh water circulating water cultivation, seawater circulating water cultivation have been developed at present.Use automatic control technology, water technology and aquaculture technology, formed fairly perfect cultivation project system, reached recycling breeding water body and carried out scale, automatic industrial production; Cultivation density is 50-100 kg/m 3, and breed variety comprises Salmons, sturgeon etc., and water quality automatically detects and controls index and reaches 8-12, and the day's expenditure of water is 10% of breeding water body, has realized the target of industrialized aquaculture.But, for how utilizing saline-alkali water to carry out circulating water cultivation, also do not have relevant technique and technology at present.
Summary of the invention
The utility model purpose is not utilize saline-alkali water to carry out the problem of circulating water cultivation in order to solve prior art, and a kind of fish cultivating system that utilizes saline-alkali water is provided.
The fish cultivating system that utilizes saline-alkali water described in the utility model, it comprises PLC controller, crawl, pH probe, magnetic valve, solid filtering section, back pool, the first water pump, saline and alkaline pond, the second water pump and biological ammonia nitrogen removal section,
The pH probe is arranged in the crawl, the water quality monitoring signal of pH probe all sends to the PLC controller, the on off state of PLC controller control magnetic valve, water in the crawl enters solid filtering section through magnetic valve, water body after solids and suspension filtration treatment enters in the back pool, water in the back pool is by in the extremely biological ammonia nitrogen removal of the first water pump pump section, and the water body after ammonia nitrogen removal is processed is back to crawl.
Advantage of the present utility model: the utility model is exactly according to China's saline-alkali water actual conditions how and the principle of fish cyclic culture process water acidification, designed a kind of technique of utilizing saline-alkali water to carry out the cycle water fish culture, in the production of satisfying circulating water cultivation, develop the suitability for industrialized production that the saline-alkali water of gradually desertification carries out fishery.
Description of drawings
Fig. 1 is the structural representation that utilizes the fish cultivating system of saline-alkali water described in the utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described fish cultivating system that utilizes saline-alkali water of present embodiment, it comprises PLC controller 1, crawl 2, pH probe 3, magnetic valve 4, solid filtering section 5, back pool 7, the first water pump 8, saline and alkaline pond 9, the second water pump 10 and biological ammonia nitrogen removal section 11
PH probe 3 is arranged in the crawl 2, the water quality monitoring signal of pH probe 3 all sends to PLC controller 1, the on off state of PLC controller 1 control magnetic valve 4, water in the crawl 2 enters solid filtering section 5 through magnetic valve 4, water body after solids and suspension filtration treatment enters in the back pool 7, water in the back pool 7 is by in the extremely biological ammonia nitrogen removal of the first water pump 8 pumps section 11, and the water body after ammonia nitrogen removal is processed is back to crawl 2.
As shown in Figure 1, during circulating water culture system work, at first add a certain amount of ammonia nitrogen prescription liquid as nutrient source to intrasystem saline and alkaline water body, cultivate halophile, make it to form dominant group, and in this process, reduce the basicity of water body.In the culturing pool bottom pH value sensor is set, and by some water quality index of PLC controller 1 Monitoring and Controlling.In breeding process, the fish excreta follows current to discharge from the bottom, and the drainpipe by magnetic valve 4 control enters solid filtering section 5 and carries out the filtration of solids and suspension, and the water body after the filtration is inflow back pool 7 after temperature control and oxygenation; In back pool 7, breeding water body pumps into biological ammonia nitrogen removal section 11 by the pressurization of the first water pump 8 to carry out ammonia nitrogen and processes, and is recycled to crawl 2 and provides breeding water for cultured fishes.Whole like this cultivating system has formed the aquaculture model that water body recycles, and provides nutrition in this process Mesichthyes metabolism for halophile, and the consumption alkaline matter is bred by its colony, and water body pH is constantly reduced.System is controlled at the pH value in the scope of 7-7.5 by PLC controller, pH probe 3, when the pH value is lower than 7, monitoring system is closed the first water pump 8, open the second water pump 10 and add saline-alkali water, by the second water pump 10 saline and alkaline water body is pumped into circulating water culture system like this, the saline-alkali water that pumps into flows into from crawl 2 tops, adds the water body of high alkalinity, and culturing pool water body pH is constantly raise.When water body pH reached 7.5, monitoring system was closed the second water pump 10, is started the first water pump 8, re-started the breeding water body circulation.Like this.Saline and alkaline water body reduces basicity by circulating water culture system, and circulating water culture system also can carry out high-density aquiculture, thereby reaches the purpose of utilizing saline-alkali water to carry out aquaculture.Whole cultivating system has formed the aquaculture model that water body recycles, and provides nutrition in this process Mesichthyes metabolism for halophile, and the consumption alkaline matter is bred by its colony, and water body pH is constantly reduced.
Embodiment two: present embodiment is that it also comprises sedimentation basin 6, follows current to enter the sedimentation basin 6 from the bottom through solids and the fish excreta after the suspension filtration treatment that solid filtering section 5 carries out to the further specifying of embodiment one.
Embodiment three: present embodiment is that it also comprises disinfection section 12 to the further specifying of embodiment one, and disinfection section 12 is arranged between biological ammonia nitrogen removal section 11 and the crawl 2.The sterilization that carries out disinfection of biological ammonia nitrogen removal section of 12 pairs in disinfection section 11 water body out, recycle is back in the crawl 2.
Claims (3)
1. utilize the fish cultivating system of saline-alkali water, it is characterized in that, it comprises PLC controller (1), crawl (2), pH probe (3), magnetic valve (4), solid filtering section (5), back pool (7), the first water pump (8), saline and alkaline pond (9), the second water pump (10) and biological ammonia nitrogen removal section (11)
PH probe (3) is arranged in the crawl (2), the water quality monitoring signal of pH probe (3) all sends to PLC controller (1), the on off state of PLC controller (1) control magnetic valve (4), water in the crawl (2) enters solid filtering section (5) through magnetic valve (4), water body after solids and suspension filtration treatment enters in the back pool (7), to biological ammonia nitrogen removal section (11), the water body after ammonia nitrogen removal is processed is back to crawl (2) to water in the back pool (7) by the first water pump (8) pump.
2. the fish cultivating system that utilizes saline-alkali water according to claim 1, it is characterized in that, it also comprises sedimentation basin (6), follows current to enter from the bottom the sedimentation basin (6) through solids and the fish excreta after the suspension filtration treatment that solid filtering section (5) carries out.
3. the fish cultivating system that utilizes saline-alkali water according to claim 1 is characterized in that, it also comprises disinfection section (12), and disinfection section (12) is arranged between biological ammonia nitrogen removal section (11) and the crawl (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427700 CN202722276U (en) | 2012-08-27 | 2012-08-27 | Fish culture system utilizing saline-alkaline water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427700 CN202722276U (en) | 2012-08-27 | 2012-08-27 | Fish culture system utilizing saline-alkaline water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202722276U true CN202722276U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220427700 Expired - Fee Related CN202722276U (en) | 2012-08-27 | 2012-08-27 | Fish culture system utilizing saline-alkaline water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202722276U (en) |
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2012
- 2012-08-27 CN CN 201220427700 patent/CN202722276U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130827 |