Fishpond sewage solid-liquid separation device

Abstract

The utility model relates to a solid-liquid separation device for fishpond sewage. The solid-liquid separation device comprises a separation cylinder, a water inlet cylinder, a supporting cylinder, a shell and a showering pipeline, water outlet holes are distributed in the wall surface of the separation cylinder, the water inlet cylinder is coaxially arranged in the supporting cylinder, filtering holes are formed in the wall surface of the water inlet cylinder, and the supporting cylinder is coaxially arranged in the separation cylinder through a supporting plate; the separation cylinder is connected into the shell through a support frame; a water outlet is formed in the bottom of the shell; the inner wall of the shell is connected with a spraying pipeline which is provided with a plurality of spray heads, and the spray heads face the separation barrel. The sewage treatment device has the advantages that solid wastes in sewage are secondarily filtered, so that the solid-liquid separation effect is improved; and the shell covers the outer part of the separation cylinder, the separated sewage is intensively discharged, the water outlet of the shell can be externally connected with a pipeline, and the shell can also be directly placed in a sewage treatment tank, so that the subsequent treatment of the sewage is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, especially a fish pond sewage solid -liquid separation device. BACKGROUND

[0002] Fish pond sewage solid -liquid separation is an important link of water quality management in aquaculture, it helps to remove suspended solids, leftover food, excrement and other large particle materials in sewage, improves water quality, reduces disease occurrence, thereby promotes the success rate of cultivation.

[0003] The existing fish pond sewage solid -liquid separation is usually realized through the sedimentation mode. The suspended material in fish pond sewage is deposited to the bottom under the action of gravity in the state of static or slow flow, usually, the large particle materials in sewage are deposited naturally through the construction of sedimentation tank, finally, the deposit is cleaned. The method of fish pond sewage solid -liquid separation takes a long time, and does not meet the requirements of modern water quality management. In order to solve the problem of slow solid -liquid separation, flocculants are often put into the pool water to accelerate the coagulation and deposition of suspended solids, but the deposition speed is still very slow.

[0004] In order to reduce the cost and improve the efficiency of fish pond sewage solid -liquid separation, the device for fish pond sewage solid -liquid separation needs to be improved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a fish pond sewage solid -liquid separation device, which can improve the efficiency of solid -liquid separation.

[0006] In order to achieve the above utility model purposes, the utility model provides a fish pond sewage solid -liquid separation device, which comprises a separation cylinder, a water inlet cylinder, a supporting cylinder, a shell, and a flushing pipeline.

[0007] The wall surface of the separation cylinder is arranged with water outlet holes, the water inlet cylinder is coaxially arranged in the supporting cylinder, the wall surface of the water inlet cylinder is provided with filter holes, the wall surface of the supporting cylinder is provided with filter grooves and supporting plates, and the supporting cylinder is coaxially arranged in the separation cylinder through the supporting plates.

[0008] The shell is provided with a supporting frame, the separation cylinder is connected in the shell through the supporting frame, and the bottom of the shell is provided with a water outlet.

[0009] The inner wall of the shell is connected with the flushing pipeline, the flushing pipeline is provided with a plurality of spray heads, and the spray heads are directed to the separation cylinder.

[0010] Preferably, the number of the flushing pipelines is three.

[0011] As a further improvement of the utility model, the end of the supporting cylinder is provided with a connecting piece, and a fastener connects the water inlet cylinder and the connecting piece.

[0012] As a further improvement of the utility model, the shell is provided with an easily-opened access door, and the access door is provided with a connecting port.

[0013] The fish pond sewage solid-liquid separation device of the utility model, fish pond sewage is discharged from the water inlet cylinder, the separation cylinder is connected with the existing driving device, such as motor and gear transmission assembly, the separation cylinder is driven to rotate rapidly and continuously, the sewage in the water inlet cylinder is discharged from the filter groove of the support cylinder into the separation cylinder through the filter hole of the water inlet cylinder in the process of high-speed rotation, finally, the sewage is thrown out from the water outlet hole of the separation cylinder and discharged from the water outlet of the bottom of the shell, and most of the solid substances are retained in the water inlet cylinder, and a small amount of solid substances are left on the inner wall of the separation cylinder, so that the solid-liquid separation of fish pond sewage is realized.

[0014] Compared with the prior art, the fish pond sewage solid-liquid separation device of the utility model has the following advantages:

[0015] (1) The solid waste in the sewage is subjected to secondary filtration, and the solid-liquid separation effect is improved;

[0016] (2) The shell is covered outside the separation cylinder, the separated sewage is discharged, the water outlet of the shell can be connected with a pipeline, or the shell can be directly placed in a sewage treatment tank, so that the subsequent treatment of the sewage is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the fish pond sewage solid-liquid separation device of the utility model;

[0018] Figure 2 It is a water inlet cylinder connection structure schematic view;

[0019] Figure 3 It is a water inlet cylinder connection structure local enlarged schematic view;

[0020] Figure 4 It is a shell structure schematic view. DETAILED DESCRIPTION

[0021] The specific implementation manner of the utility model will be further described in detail below with reference to the drawings.

[0022] As Figures 1-4 shown, the fish pond sewage solid-liquid separation device of the utility model comprises a separation cylinder 1, a water inlet cylinder 2, a support cylinder 3, a shell 4 and a flushing pipeline 5;

[0023] The wall surface of the separation cylinder 1 is arranged with a water outlet hole 11, the water inlet cylinder 2 is coaxially arranged in the support cylinder 3, the wall surface of the water inlet cylinder 2 is provided with a filter hole 21, the wall surface of the support cylinder 3 is provided with a filter groove 32 and a support plate 31, and the support cylinder 3 is coaxially arranged in the separation cylinder 1 through the support plate 31;

[0024] The shell 4 is provided with a support frame 41, and the separation cylinder 1 is connected in the shell 4 through the support frame 41; and the bottom of the shell 4 is provided with a water outlet 42;

[0025] The inner wall of the shell 4 is connected with a flushing pipeline 5, and the flushing pipeline 5 is provided with a plurality of spray heads 51, and the spray heads 51 are directed to the separation cylinder 1.

[0026] The fish pond sewage solid-liquid separation device of the utility model is arranged to discharge fish pond sewage from the water inlet cylinder 2, and the separation cylinder 1 is connected with an existing driving device, such as a motor and a gear transmission assembly, to drive the separation cylinder 1 to rotate rapidly and continuously. In the process of high-speed rotation, the sewage in the water inlet cylinder 2 is discharged into the separation cylinder 1 through the filter hole 21 of the water inlet cylinder 2 and the filter groove 32 of the support cylinder 3, and finally, the sewage is thrown out of the water outlet hole 11 of the separation cylinder 1 and discharged from the water outlet 42 at the bottom of the shell 4. Most of the solid substances are retained in the water inlet cylinder 2, and a small amount of solid substances are retained on the inner wall of the separation cylinder 1, so that the solid-liquid separation of the fish pond sewage is realized.

[0027] The flushing pipeline 5 can periodically flush the separation cylinder 1 to flush out the blockage of the water outlet hole 11, avoid long-term blockage of the water outlet hole 11, and affect the solid-liquid separation effect. The flushing pipeline 5 is provided in three, and the three flushing pipelines 5 flush the separation cylinder 1 in the rotating process at the same time, which is more suitable for the maintenance of the separation cylinder 1 with a larger cylinder diameter, and can reduce the flushing time to a certain extent.

[0028] The water inlet cylinder 2 is coaxially arranged in the support cylinder 3, and the support plate 31 of the support cylinder 3 can enhance the structural strength of the separation cylinder 1, avoid deformation of the separation cylinder 1, and improve the service life thereof. The solid substances in the fish pond sewage are subjected to secondary filtration, and most of the solid substances are retained in the water inlet cylinder 2. Preferably, the end of the support cylinder 3 is provided with a connecting piece 33, and a fastener 34 connects the water inlet cylinder 2 and the connecting piece 33, so that the water outlet area of the water inlet cylinder 2 is kept suspended in the support cylinder 3, facilitating water outlet. The fastener 34 can quickly realize the disassembly and assembly of the water inlet cylinder 2, facilitate the regular cleaning of the solid waste in the water inlet cylinder 2, and immediately continue the solid-liquid separation operation without waiting for the cleaning time when the water inlet cylinder 2 is cleaned.

[0029] The closed shell 4 can isolate the thrown-out sewage in the shell 4, realize the unified collection of the sewage after solid-liquid separation, and facilitate subsequent sewage treatment and recycling. The shell 4 is provided with an easily-opened maintenance door 43, and the maintenance door 43 is provided with a connecting port 44. The external pipeline passes through the connecting port 44 to pass the sewage into the water inlet cylinder 2, and the maintenance door 44 can be an existing hinged connection structure. The maintenance door 44 can be quickly opened to facilitate the disassembly and cleaning of the internal cylinder of the shell 4.

[0030] The preferred embodiments of the utility model have been specifically explained above, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A solid-liquid separation device for fish pond effluent, characterized by, The device comprises a separation cylinder, a water inlet cylinder, a supporting cylinder, a shell and a flushing pipeline. The wall of the separation cylinder is provided with water outlet holes, the water inlet cylinder is coaxially arranged in the supporting cylinder, the wall of the water inlet cylinder is provided with filter holes, the wall of the supporting cylinder is provided with filter grooves and supporting plates, and the supporting cylinder is coaxially arranged in the separation cylinder through the supporting plates. The shell is provided with a supporting frame, the separation cylinder is connected in the shell through the supporting frame, and the bottom of the shell is provided with a water outlet. The inner wall of the shell is connected with the flushing pipeline, the flushing pipeline is provided with a plurality of spray heads, and the spray heads are directed to the separation cylinder.

2. The fishpond sewage solid-liquid separation device according to claim 1, characterized in that, The number of the flushing pipelines is three.

3. The fishpond sewage solid-liquid separation device according to claim 1, characterized in that, The end of the supporting cylinder is provided with a connecting piece, and a fastener connects the water inlet cylinder and the connecting piece.

4. The fishpond sewage solid-liquid separation device according to claim 1, characterized in that, The shell is provided with an easily opened maintenance door, and the maintenance door is provided with a connecting port.

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