Fish pond sprinkling oxygenation apparatus
Technical field
The present invention relates to freshwater aquiculture, comprise aquaculture ponds such as fish, shrimp, crab, soft-shelled turtle, is a kind of device that increases oxygen for breeding water body.
Technical background
It is the important component part of modernization agricultural that fresh water production is cultured, and modernized plant belongs to three-dimensional high-density breeding at present, so the water body oxygen content becomes the key index that safety is cultured.Used multiple aerator in the actual production, but there is following problem in these equipment.
One, oxygenation effect is poor: only to the stirring of water surface, water and air contact-making surface are little, the time short, and water body middle level and bottom still are difficult to increase enough oxygen.The oxygenation effect difference causes " first aid " weak effect, fish kill often occurs, causes bigger loss to the raiser.Operation hours must be longer simultaneously, and the oxygenation electricity consumption becomes one of main production cost of aquaculture.
Two, working life is short: existing aerator majority is that iron sheet is made, welding, because of its cost lower.And working condition is bad, so cause working life shorter, generally only must change new equipment in 2~3 years.
Three, mix water body: report " oxygenation at the bottom of the pond " technology of air being sent into pond bottom for information about, although eliminated above-mentioned shortcoming, but because the bubble that air forms is emerged from the water surface, make the water layer dissolved oxygen rate owe high, from the bottom " air blowing " simultaneously, rise mud at the bottom of the pond has been mixed water quality, moreover has also been influenced the fish growth environment.
Four, be difficult to timely start: because to whether anoxic lacks detection means in the water, can only observe by rule of thumb and just know anoxic when seeing a large amount of fishes " floating head ", this moment, start belonged to passive oxygenation, came too late, usually miss " rescue " good opportunity, cause unnecessary loss.
Chinese patent publication number CN1154790A, application number 96119418.9, denomination of invention " fish pond convective oxygenation apparatus ".This disclosure of the Invention a kind of culture fishery technical field that is used for, public water, the fish pond convective oxygenation apparatus of water body purification disinfection health and epidemic prevention technical fields such as drinkable water, be to make up by water surface upper part, place the pin structure-steel framing of parts combination waterborne, the combination of water surface lower part, connect parts waterborne and under water the wireway of parts form, parts waterborne provide air or purity oxygen or ozone gas for parts under water, parts utilize air or purity oxygen or ozone gas manufacturing to cover the convection circulation current in full pond under water, be full pond water oxygenation or disinfection, cheap, easy to use, power consumption is low, can use continuously, can make the common fish pond water source type high-density breeding that flows.This part technical scheme is comparatively complicated, cost is higher, does not see the information of applying in similar fish pond aquaculture.
Summary of the invention
For overcoming above-mentioned deficiency, the present invention seeks to a kind of fish pond sprinkling oxygenation apparatus that provides to this area.Make it can solve that existing similar technology is comparatively complicated, cost is higher, apply the technical problem that acquires a certain degree of difficulty.The present invention seeks to realize by the following technical solutions.
A kind of fish pond sprinkling oxygenation apparatus, this device comprises water inlet pipe, oxygen sensor, shower nozzle, vertical tube, water pump assembly, outlet pipe, the length that its technical essential is water inlet pipe is long by 80~90% at the bottom of for the pond, the water inlet pipe tube wall of underwater portion is provided with the aperture that diameter is 8~12mm, pore density be distributed in water inlet pipe before, during and after three sections, each Duan Weisan/one, leading portion and stage casing density near water pump are rarer than back segment, and the area of aperture accounts for tube wall area and is respectively leading portion 10%, stage casing 20%, back segment 30%; For preventing that impurity from entering in the pipe, entering water pump, bag one deck nylon net cloth is a filter screen on the surface of water inlet pipe, and the order number of filter screen is 80~100 orders; To prevent that shower nozzle from stopping up.Water inlet pipe and vertical tube are fixedly connected, and the end of vertical tube connects shower nozzle, and the distance between the shower nozzle and the pond water surface is 40~60cm; Face height in pond is 55~65cm at the bottom of water inlet pipe and the pond, the distance=ordinary water level degree of depth * 0.618 that the water inlet pipe center is dried up; Oxygen sensor is arranged on the middle part of pond water layer, makes the data of sampling comparatively accurate.
Described water pump assembly is made of water pump, motor, control cabinet, and pump head is 45~55 meters, and the power that water pump is selected for use is to be that 1kw calculates by every mu of water surface, and flow is every mu of water surface 4m
3/ h.Or select other suitable high lift pump of performance for use.
The bore of described outlet pipe is greater than the bore of exit of pump, and outlet pipe is embedded in the real mud at the bottom of 13 pools, pond, and real mud is 55~65cm from the distance of outlet pipe, is in " unsettled " state, sucks to prevent mud.
Described vertical tube bottom connects with outlet pipe by threeway, and the connection place is fixedly connected by the anchor block of small size, to increase stability.
Water inlet pipe in the described pond and the width between the water inlet pipe are 0.8~1.2 meter.
Described sprinkling irrigation water pump assembly is made of water pump, motor, control cabinet and lambda sensor, and pump head is 45~55 meters, and power is to be that 1kw calculates by every mu of water surface, and flow is every mu of water surface 4m
3/ h, or select other suitable high lift pump of performance for use.Oxygen sensor is placed on water layer middle part, pond, makes the data of sampling comparatively accurate.
Described outlet pipe also adopts the PE pipe, and is better flexible.The bore of the relative aperture exit of pump of outlet pipe is big, is embedded in the following 30~40cm of real mud at the bottom of the pond.
The present invention combines sprinkler irrigation technique and freshwater aquaculture industry that plant husbandry is poured water together, has advantages such as investment is less, operating cost is lower, oxygenation effect is better, the life-span is longer, and noise is little.Clarity to water body does not exert an influence, for good growing environment is created in various freshwater aquiculture growths.
Description of drawings
Fig. 1 is the fish pond sprinkling oxygenation apparatus schematic diagram.
Sequence number among the figure and title: 1. water inlet pipe plug, 2, water inlet pipe, 3, filter screen, 4, vertical tube and water inlet pipe fixture, 5, oxygen sensor, 6, shower nozzle, 7, vertical tube, 8, water pump assembly, 9, power line, 10, control cabinet, 11, outlet pipe, 12, anchor block, 13, the pond.
Embodiment
This device operation principle is as follows: power line 9 is connected power supply before implementing, when recording in the pond water anoxic, sends oxygen sensor 5 pulse signal, A.C. contactor automatic closing in the control cabinet 10, electromotor and water pump assembly 8 runnings, because of water inlet pipe plug 1 makes the water in the water inlet pipe be in one-way flow, anchor block 12, vertical tube and water inlet pipe fixture 4 vertical tube 7 that has been fixedly connected.The water that filters through filter screen 3 sucks the water of anoxic in the pond 13 from water inlet pipe 2, send into outlet pipe 11 after when pressurization, enter vertical tube, from the sky, shower nozzle 6 directive pond, under the acting in conjunction of gravity and air, water body is scattering state, become tiny raindrop, with drop in the pond after air fully contacts, in this process of working continuously, water body has been finished and has been distributed pernicious gas, dissolves in the circulation of new fresh oxygen, and go round and begin again and increased the water body oxygen content, for the Shui nationality in the pond provide good water environment.
Described shower nozzle is the polyurethane plastics material, operating pressure at sprinkler 0.2~0.3MPa, and the number of flow and shower nozzle is according to " changing the water quota " every mu of water surface 4m
3/ h and pond water area are determined, are recited in following table.
Area (mu) |
Nozzle type |
Capacity of sprinkler (m
3/h)
|
Shower nozzle quantity (individual) |
Sprinkler pattern range (m) |
1 |
Short distance |
1 |
4 |
8~9 |
5 |
Short distance |
2 |
10 |
14.5~15.5 |
10 |
Medium range |
4 |
10 |
20~22.5 |