CN203735272U - Air floatation power water circulation oxygenation device - Google Patents

Abstract

The utility model relates to an air floatation power water circulation oxygenation device which comprises mixing tubes, water lifting tubes, connecting tubes, one-way valves, a four-way tube, a water conveying tube and a drainage tube. The components of the oxygenation device are connected through flanges. The mixing tubes are arranged under the water lifting tubes and in butt joint with the water lifting tubes, the water lifting tubes are kept to be vertical and are connected with the one-way valves through the connecting tubes, and due to the rotary-opening type one-way valves, the one-way valves are horizontally mounted. The two-side symmetric type water lifting structure is adopted by the oxygenation device, due to the effect of the one-way valves, working states of the water lifting structures on the two sides do not interfere each other, and the water lifting structures can be freely opened and closed according to actual needs, so that energy is saved. The air floatation power water circulation oxygenation device is simple in structure and is formed by assembling plastic tubes and pipe fittings, moving components which are prone to abrasion and can cause failures are not used, and mounting, using and maintaining are convenient; the device can be made to various specifications and structure modes, and the application effect is obvious.

Description

Air supporting power water circulation oxygen-increasing device

Technical field

The utility model relates to a kind of facility for fishery cultivating, particularly a kind of air supporting power water circulation oxygen-increasing device.

Background technology

Dissolved oxygen in water body is the key factor of cultured fishes normal growth, and in fish culture process, the dissolved oxygen in water body must not be lower than the threshold value of regulation; If dissolved oxygen in water is too low, can have a strong impact on the normal growth of fish, even can cause the mortality of fish.Especially fish culture in net pen produces, and cultivation density is higher in casing, and at water exchange capacity deficiency or dissolved oxygen, lower in the situation that, carrying out artificial oxygenation is exactly a very necessary safeguard measure.In aquaculture production, the equipment for water oxygenation has the various ways such as mechanical enhancement and bubble type blowing aeration at present, does not still also emerge now for floating type fish culture net cage customizes supporting oxygenation utensil specially.

Therefore, continually develop novel product to adapt to the demand in market, provide a kind of air supporting power water circulation oxygen-increasing device effectively to address the above problem, and in pond net box breeding production, being able to supporting application bleeding technique and equipment special facility, is one of these those skilled in the art task urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is to overcome the weak point of existing oxygen increasing equipment kind and function, provides a kind of simple in structure, simple process, dependable performance, the air supporting power water circulation oxygen-increasing device that comprehensive energy efficiency is higher.

The technical scheme that the utility model adopts is for achieving the above object: a kind of air supporting power water circulation oxygen-increasing device, is characterized in that the formation of this oxygen-increasing device comprises that mixing tube, water lift pipe, tube connector, check valve, four-way pipe, water-supply-pipe and drainpipe connect combination by flange respectively;

Described mixing tube is placed in water lift pipe below and docks with water lift pipe, and water lift pipe keeps plumbness, between water lift pipe and check valve, is connected with tube connector, and check valve maintenance level is installed; Described check valve one end is connected with tube connector; This oxygen-increasing device adopts bilateral symmetry water lift structure, and above-mentioned part is symmetrical installation, uses check valve water-output flange to dock with four-way pipe level two end flanges respectively; Four-way pipe lower port is connected with water-supply-pipe; Water-supply-pipe is connected with drainpipe; The effluent pipe mouth opposite direction of mixing tube water inlet pipe mouth and drainpipe.

The beneficial effects of the utility model are: this structural design is taking the two membrane mass transfer theories of gas-liquid as basis, application air supporting water lift principle, utilizing the oxygenation process that completes gas-liquid mass transfer exchange in air supporting power water lift, simultaneously for the oxygen enrichment water body after oxygenation has increased water level potential energy.Oxygen enrichment water body after oxygenation is imported in circulation aqueduct, and oxygen enrichment water body is transported to by water-supply-pipe that net cage bottom discharge pipe is directed discharges, and makes to be grown in the growth of can surviving in the suitable water body environment of dissolved oxygen of fish in net cage.The utility model feature is simple in structure, and this device assembles by the processing of plastic pipe and pipe fitting, is not wherein easy to wearing and tearing and causes the moving component of fault, installs and uses easy to maintenance; Meanwhile, choose flexibly diving depth according to the pressure that adopts source of the gas, because this design feature can keep lower water lift height, therefore under different bleed pressure conditions, can accomplish to choose more suitable diving ratio; In addition, can also utilize the source of the gas of lower pressure, to compared with oxygenation in the water body of deep layer, ensure that swallow has sufficient dissolved oxygen.In the time utilizing gas sparging to water body oxygenation, require bleed pressure must be greater than bubbler and slip into the degree of depth of water, in the time overcoming the pressure that the depth of water causes, bubble just can overflow normal oxygenation, therefore in deep layer oxygenation, requires to select the air pump that pressure is higher, so greatly increase equipment cost.; while utilizing in the ordinary course of things bubbling oxygenation; gas is overflowed by bubbler that form after minute bubbles can fast rise; be that bubble is that air water contact is risen Dissolved Oxygen in Water gradually in uphill process; although upper strata water body dissolved oxygen content raises; but bottom water still may be in lower dissolved oxygen state, cannot make water body swallow dissolved oxygen increase.This air supporting power water circulation oxygen-increasing device is the corollary equipment of floating type cage culture, also can be used for pond culture oxygenation, oxygenation in industrialized fish pond, and other requires the production of breeding fish of directed current oxygenation, can effectively replace the oxygen increasing equipment of existing other form, if certain modification can also become soil pick-up equipment easily and effectively, realize multiple application function.

Air supporting power water circulation oxygen-increasing device is the special water oxygenation facility for patching the supporting design of combination type floating fish culture cage, also can in other breeding production, apply.In cage culture production process, because fish density in case is higher, therefore must ensure has sufficient dissolved oxygen in water body, to meet the needs of normal growth of cultured fishes.This structural design is utilized air supporting water lift and bubble oxygenation principle and by the two ingenious combination, in the process promoting at water body, complete the aeration oxygen replenishing to water body, and the potential energy that the energy exchange in air supporting process is produced is used, make it become the kinetic energy that injects heavy-oxygen-enriched water to deep layer.In this design, utilize the circulation line being communicated with oxygen enrichment water body to be transported to the bottom of fish culture cage, for the cultured fishes in net cage provide sufficient oxygen enrichment water body, realize utilize low-pressure gas source at shallow-layer water lift the function to deep layer oxygenation.This oxygen-increasing device is fixed and supporting application with patching combination type floating fish culture cage framework, simple and easy to do, convenient and practical.

In a word, this air supporting power water circulation oxygen-increasing device is simple in structure, simple and convenient assembly, and cost of manufacture is cheap, movement-less part, long service life, is of value to large-scale promotion and uses.

Brief description of the drawings

Fig. 1 is the utility model overall structure schematic diagram.

Fig. 2 is Fig. 1 side-looking structural representation.

Fig. 3 is oxygen-increasing device overall structure schematic diagram when long span four-way pipe is installed;

Shown in figure, four-way pipe is deformed into long span four-way pipe;

Fig. 4 is Fig. 3 side-looking structural representation.

Fig. 5 will install the oxygen-increasing device of long span four-way pipe shown in Fig. 3, at multiple cultivating pool application state schematic diagrames;

Each oxygen-increasing device is on the partition wall in two ponds, and when work, each oxygen-increasing device, all in water inlet water suction, enters adjacent pond in discharge outlet by heavy-oxygen-enriched water after water lift oxygenation, forms circulating water flow, to ensure that the water quality in each pond meets cultivating condition between pond.

Fig. 6 is that oxygen-increasing device is installed on positional structure schematic diagram on floating type fishing case.

Fig. 7 is Fig. 6 side-looking structural representation.

In figure: 1 mixing tube, 2 water lift pipes, 3 tube connectors, 4 check valves, 5 four-way pipes, 6 water-supply-pipes, 7 drainpipes, 8 long span four-way pipes.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to the embodiment providing according to the utility model, structure, feature, details are as follows:

Referring to Fig. 1-Fig. 7, a kind of air supporting power water circulation oxygen-increasing device, the formation of this oxygen-increasing device comprises that mixing tube 1, water lift pipe 2, tube connector 3, check valve 4, four-way pipe 5, water-supply-pipe 6 and drainpipe 7 connect combination by flange respectively.Each member connection structure with position relationship is: mixing tube 1 docks with water lift pipe 2 below water lift pipe 2, and water lift pipe 2 keeps vertical.The flange of water lift pipe 2 tops docks with tube connector 3 flanges, and tube connector 3 horizontal interface flanges are connected with check valve 4, and check valve 4 levels are installed.

The top of this device is provided with four-way pipe 5, and mixing tube 1, water lift pipe 2, tube connector 3 and the check valve 4 that its bilateral symmetry is provided with forms two cover water lift structures, has oxygenation, water lift and anti-water-stop body refluence function; Check valve 4 delivery port flanges dock with four-way pipe 5 level two end flanges respectively; Four-way pipe 5 lower port are connected with water-supply-pipe 6; Water-supply-pipe 6 is connected with drainpipe 7; The effluent pipe mouth opposite direction of mixing tube 1 water inlet pipe mouth and drainpipe 7.

The flange of four-way pipe 5 lower ends connects water-supply-pipe 6, docks with drainpipe 7 flanges in 6 times end flanges of water-supply-pipe.

For easy to use, dismounting, maintenance, between the each parts of this design, all adopt flange to connect.Mixing tube 1 below vertical direction dock with water lift pipe 2, water lift pipe 2 should keep plumbness.Between water lift pipe 2 and check valve 4, connect with tube connector 3, owing to adopting swing type check valve 4, therefore check valve 4, should maintenance level install.In this design, due to the effect of check valve 4, two cover water lift structures are not interfere with each other in water lift duty, and can open and close and accomplish to save the energy arbitrarily according to actual demand.Between two parts and water-supply-pipe 6, be connected by four-way pipe 5, make to be flowed in water-supply-pipe 6 through four-way pipe 5 through the water body of check valve 4, discharge.The bottom of the pond waters that the oxygen enrichment water body collecting through four-way pipe 5 is carried by water-supply-pipe 6, more uniformly oxygen enrichment water body is distributed in the water of deep layer pond by boring drainpipe 7 orientations of lower end.The water inlet pipe mouth of mixing tube 1 should with the effluent pipe mouth opposite direction of drainpipe, can form like this water body and circulate trend, otherwise form water body flow to short circuit will cause effect decline and energy waste.

The operation principle of air supporting power water circulation oxygen-increasing device is:

Mix with water taking compressed air as power and after, water body potential energy gets a promotion.In micro-bubble and water mixed process, air-water mixture rises in water lift pipe, is in contact with one another at air water the dissolved oxygen that has increased water body in process, and forms the oxygen enrichment water body with certain potential energy.The water body that has increased potential energy and dissolved oxygen passes through four-way pipe again by check valve, at this moment bubble is overflowed by four-way pipe upper end, oxygen enrichment water body through aeration can enter circulation aqueduct by gravity, oxygen enrichment water body is delivered to the directed discharge of drainpipe by water-supply-pipe, realizes the circular oxygenation function to swallow.Air supporting power water circulation oxygen-increasing device is made material and is simple and easy to seek, and mainly utilizes the plastic conduit that is applicable to aquaculture and the pipe fitting of market sale, after processing combination, forms, and its primary structure composition connection and effect are as follows:

1 mixing tube: by main water inlet, mixing wastewater with air chamber and adpting flange composition.Mixing wastewater with air chamber is the important component part of mixing tube, and it is to utilize four-way pipe fitting to make, and the end opening of pipe fitting is water inlet, and suitable for reading is the outlet of air-water mixture, and the left and right sides mouth of pipe is installed respectively compressed air gas blow head; Its function is that compressed air is overflowed with water rapid mixing and forms gas-liquid mixture with micro-bubble form.Water inlet is by elbow, straight pipe with holes, end socket composition; On straight-run of pipe sidewall, evenly get out some holes and become straight pipe with holes, interception larger object enters and prevents blocking pipe.At upper end, steam-water mixing chamber mounting flange, dock with water lift pipe flange.

2 water lift pipes: form at two ends mounting flange with straight-run of pipe, dock with mixing tube flange lower end, upper end with communicating pipe flange be connected.When work, the air being occurred by mixing tube and the mixture of water, send in tube connector by water lift pipe.The length of water lift pipe is relevant to compressed air pressure, and the one, determine water lift length of tube according to existing air-source pressure, or match applicable compressed air source according to the length of water lift pipe.

3 tube connectors: use tee pipe fitting, lower end mounting flange is connected with water lift pipe flange.Three-way pipe upper end connects straight-run of pipe, and shutoff is buckled in straight tube upper end.The horizontal port of three-way pipe, mounting flange is connected with check valve.

4 check valves: adopt swing type check valve, bore is chosen on demand.Check valve inlet flange docks with tube connector flange, and check valve port of export flange is connected with four-way pipe flange.

5 four-way pipes: use four-way pipe fitting, the selection principle of its nominal diameter is, more than the area of being converted by nominal diameter should be greater than the twice that mixing tube nominal diameter is converted to area.The lower end mounting flange of four-way pipe fitting is connected with water-supply-pipe flange, and the horizontal two ends of the four-way pipe mouth of pipe uses mends core pipe fitting rear pass through short tube mounting flange identical with water lift pipe latus rectum, is connected with the check valve delivery port flange at two ends.Four-way pipe pipe fitting upper end, connects a joint short tube, and the length of short tube is greater than the pressure head of institute's water lift body, and not shutoff of upper end can be observed water lift situation at any time.

6 water-supply-pipes: form at two ends mounting flange with straight-run of pipe, dock with four-way pipe flange upper end, and lower end is connected with drainpipe flange, and its nominal diameter and four-way pipe match.When work, the heavy-oxygen-enriched water being exported by check valve, enters water-supply-pipe by four-way pipe and sends in drainpipe.

7 drainpipes: by the three-way pipe two ends mouth of pipe, be respectively charged into the straight tube of a faces end head plugging pipe sidewall boring.Vertical port one end of three-way pipe, connects an elbow, and the other end mounting flange of elbow docks with end flanges under water-supply-pipe.The water carried by water-supply-pipe when work is through elbow, threeway, in the boring by the pipe side of straight tube, discharged by horizontal direction.

8 long span four-way pipes:

In enforcement, following structure division and connecting link can be transformed according to actual needs: use long span four-way pipe 8 to substitute common four-way pipe 5, the oxygen-increasing device being assembled into is shown in Fig. 3, Fig. 4; The structure of long span four-way pipe 8 is to use two tee pipe fittings to be connected with a straight tube, and two three-way pipe central nozzle link with straight tube, and three-way pipe reverses 90 ° each other mutually, forms and turns round I-shaped four-way pipe, is long span four-way pipe 8.Wherein after the mouth of pipe mounting flange of horizontal two ends, dock with two check valve outlet(discharge) flanges; The lower end mounting flange of other end vertical nozzle mouth, docks with water-supply-pipe flange, and a short tube is installed in upper end, can observe water lift, water delivery duty.The water lift pipe of above-mentioned oxygen-increasing device and the water inlet pipe section that coexists, if be applicable to the working method of Fig. 5, to after the water oxygenation in a pond, be transported to another one pond, require water lift pipe and the water-supply-pipe of oxygen-increasing device to separate from a plane, distance separately should be greater than the thickness of dividing wall between pond, improved like this oxygen-increasing device just can be on the dividing wall of pond, from a pond, absorb water and enter in another pond, can be in the middle application of breeding fish of many pond circulation water, form conveying and the circulation of culturing pool, form the cyclic culture pattern of culturing pool.

Long span four-way pipe is actually by two threeways and straight-run of pipe and combines, and as shown in Figure 3, is the three-way pipe in water-supply-pipe one end; As shown in Figure 3, be the three-way pipe that is connected one end with two check valves; Two three-way pipes are formed by connecting as long span four-way pipe with straight-run of pipe, and the length of this section of straight tube is the span of four-way pipe.Combine long span four-way pipe by two threeways and straight-run of pipe, old 4 mouths of pipe still as a whole, still play the effect of four-way pipe function.

This device carries out multiple combination by actual operation requirements, can realize multiple duty, completes multiple task.

The utility model structure connects and work characteristics.This structure of base of air supporting power water circulation oxygen-increasing device, is shown in Fig. 1.This oxygen-increasing device is made up of each parts, and the connecting portion of each part is provided with adpting flange, as long as each portion flange is docked with bolt by diagram requirement.When work, as long as this oxygen-increasing device is vertically put into water, the degree of depth of adjusting submerged keeps normal diving ratio, then passes into compressed air at the air inlet of mixing tube, and this oxygen-increasing device can normally be worked.

As seen from Figure 1, mixing tube 1, water lift pipe 2, tube connector 3, check valve 4 form two water lift oxygenation parts, respectively from both sides water lift oxygenation by tube connector 3, check valve 4, heavy-oxygen-enriched water is sent into four-way pipe 5, through the lower outlet of four-way pipe 5 water-supply-pipe 6 of flowing through, finally enter drainpipe 7 and discharge again.

In the time of work, if simultaneously to two mixing tube inflations, the lift pump of both sides is worked simultaneously.If need to reduce the oxygen-supplying amount to water body, can close the steam supply valve of a side, can save power source.At this moment only carry out water lift work at that a part of device of air feed, because opposite side is due to check valve effect, can stop promoted heavy-oxygen-enriched water to run off from opposite side water lift pipe.

The multiple combination of this oxygen-increasing device and form:

(1) be applicable to the structure of different air pressures; As long as this oxygen-increasing device selects the water lift pipe of different length just can utilize the compressed air source of different pressures.

(2) be applicable to the structure of the different oxygen supply degree of depth; As long as this oxygen-increasing device is selected the tube connector of different length, just oxygen enrichment water body can be sent into the position of desired depth.

(3) be applicable to the structure that different situations water circulation requires; Four-way pipe in oxygen-increasing device and drainpipe are transformed, can under different operating condition, be completed water delivery oxygenation operation.

Above-mentioned detailed description of this air supporting power water circulation oxygen-increasing device being carried out with reference to embodiment, is illustrative instead of determinate, can make as required various sizes, specification, sets different parameters, can combine as required installation; Therefore in the variation and the amendment that do not depart under the utility model general plotting, within should belonging to protection domain of the present utility model.

Claims (2)

1. an air supporting power water circulation oxygen-increasing device, is characterized in that the formation of this oxygen-increasing device comprises that mixing tube, water lift pipe, tube connector, check valve, four-way pipe, water-supply-pipe and drainpipe connect combination by flange respectively;

Described mixing tube is placed in water lift pipe below and docks with water lift pipe, and water lift pipe keeps plumbness, between water lift pipe and check valve, is connected with tube connector, and check valve maintenance level is installed; Described check valve one end is connected with tube connector; This oxygen-increasing device adopts bilateral symmetry water lift structure, and above-mentioned part is symmetrical installation, uses check valve water-output flange to dock with four-way pipe level two end flanges respectively; Four-way pipe lower port is connected with water-supply-pipe; Water-supply-pipe is connected with drainpipe; The effluent pipe mouth opposite direction of mixing tube water inlet pipe mouth and drainpipe.

2. air supporting power water circulation oxygen-increasing device according to claim 1, is characterized in that the flange of described four-way pipe lower end connects water-supply-pipe, and under water-supply-pipe, end flanges is docked with drainpipe flange.