CN109502722B

CN109502722B - Sewage treatment equipment

Info

Publication number: CN109502722B
Application number: CN201811583348.2A
Authority: CN
Inventors: 程月平
Original assignee: Xiangshan Pingyue Environmental Protection Technology Co ltd
Current assignee: Shandong Kanglu Equipment Installation Co ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2021-05-18
Anticipated expiration: 2038-12-24
Also published as: CN109502722A

Abstract

The invention belongs to the field of waste treatment, and particularly discloses sewage treatment equipment which comprises a treatment tank, wherein the bottom of the treatment tank is provided with an air inlet into which high-pressure gas enters, the upper end of the air inlet is communicated with an air inlet pipe, the air inlet comprises a necking section and flaring sections communicated with two ends of the necking section, the side wall of the necking section is provided with a water inlet hole communicated with the inner cavity of the air inlet pipe, and the side wall of the flaring section is provided with a plurality of pinholes communicated with the inner cavity of the air inlet pipe; the upper end of the air inlet pipe is sealed and communicated with a plurality of guide pipes, the end of each guide pipe, far away from the air inlet pipe, is opened downwards, and a decontamination unit is arranged below the guide pipe in the treatment tank; the decontamination unit comprises a turbine shaft which is rotationally connected in the treatment tank, a turbine and a cam are fixed on the turbine shaft, and the turbine is positioned right below the guide pipe; the decontamination unit also comprises a piston cylinder fixed at the bottom of the treatment pool. By adopting the scheme of the invention, the problem of poor sewage treatment effect caused by uneven distribution of the flocculating agent in the sewage tank is solved.

Description

Sewage treatment equipment

Technical Field

The invention belongs to the field of waste treatment, and particularly relates to sewage treatment equipment.

Background

In the sewage treatment process, aeration plays a great role. The aeration is mainly a process of forcibly transferring oxygen in the air into liquid, and aims to obtain enough dissolved oxygen, and microorganisms in the sewage tank can sufficiently oxidize and decompose organic matters in the sewage under the condition of sufficient dissolved oxygen, so that sewage treatment is completed.

In the sewage treatment process in the prior art, besides aeration, a flocculating agent is also added into the sewage, and the flocculating agent has the function of adsorbing impurities in the sewage to form precipitates. Because the sewage pool is generally large, in the prior art, no matter gas is introduced into the sewage pool or a flocculating agent is added into the sewage pool, the gas and the flocculating agent can only enter from one or more fixed positions in the sewage pool, so that the gas and the flocculating agent are unevenly distributed in the sewage pool, and the sewage treatment effect is poor.

Disclosure of Invention

The invention aims to provide sewage treatment equipment to solve the problem of poor sewage treatment effect caused by uneven distribution of a flocculating agent in a sewage tank.

In order to achieve the purpose, the basic scheme of the invention is as follows: the sewage treatment equipment comprises a treatment tank and a high-pressure gas storage device for introducing high-pressure gas into the treatment tank, wherein the bottom of the treatment tank is provided with a gas inlet hole communicated with the high-pressure gas storage device, the upper end of the gas inlet hole is communicated with a gas inlet pipe, the gas inlet hole comprises a necking section and flaring sections communicated with two ends of the necking section, the side wall of the necking section is provided with a water inlet hole communicated with the inner cavity of the gas inlet pipe, and the side wall of the flaring sections is provided with a plurality of pinholes communicated with the inner cavity of the gas inlet pipe; a sealing plate is fixed at the upper end of the air inlet pipe, a plurality of guide pipes are communicated with the sealing plate, openings of the ends of the guide pipes, which are far away from the air inlet pipe, face downwards, and decontamination units are arranged below the guide pipes in the treatment tank; the decontamination unit comprises a turbine shaft which is rotationally connected in the treatment tank, a turbine and a cam are fixed on the turbine shaft, and the turbine is positioned right below the free end of the guide pipe; the decontamination unit also comprises a piston cylinder fixed at the bottom of the treatment pool, a piston is vertically and slidably connected in the piston cylinder, a supporting rod is fixed at the upper side of the piston, a chute is arranged on the cam along the curve profile of the cam, and the upper end of the supporting rod is slidably connected in the chute; a water suction hole communicated with the lower part of the piston cylinder is arranged below the piston cylinder at the bottom of the treatment pool, a drain hole is arranged on the side wall of the lower part of the piston cylinder, a water suction one-way valve is arranged in the water suction hole, and a drain one-way valve is arranged in the drain hole; the decontamination unit also comprises a collecting box detachably connected to the bottom of the treatment pool, and the bottom of the collecting box is communicated with the water suction holes through a pipeline.

The theory of operation and the beneficial effect of this basic scheme lie in:

1. let in high-pressure gas through the air inlet in to the treatment tank, high-pressure gas gets into the treatment tank through the intake pipe in, high-pressure gas passes through the pinhole and discharges, because the pinhole size is less, the high-pressure gas velocity of flow of discharge is great, and fast diffusion in sewage dissolves into gas in the sewage, carries out aeration treatment.

2. When high-pressure gas passes through the necking section inside the air inlet pipe, the flow speed is increased according to the Bernoulli principle, negative pressure is formed, sewage in the extraction treatment tank enters the air inlet pipe and is mixed with gas in the air inlet pipe, and the aeration effect is better.

3. Get into the interior sewage of air inlet pipe and outwards spray through the stand pipe, get back to in the treatment tank, be equivalent to the water that will handle the pond middle part and the water all around in the treatment tank forms the circulation, through the cyclic motion of rivers for the flocculating agent that drops into in the sewage is better along with the motion diffusion effect of rivers, and is better to the adsorption of impurity in the sewage.

4. The water flow discharged by the guide pipe drives the turbine to rotate, the turbine shaft drives the cam to rotate along with the turbine, the cam and the support rod form a cam mechanism, the support rod moves up and down, the piston cylinder extracts water in the collecting box or discharges water at the lower part of the piston cylinder to the bottom of the treatment pool, in the process, on one hand, sediment near the air inlet pipe is sucked downwards by suction force and collected into the collecting box, and the gravity of the sediment is greater than that of the water, so that the water in the collecting box can be squeezed out of the collecting box after the sediment enters the collecting box, the collection of the sediment is finished, and the phenomenon that the sediment blocks a needle hole or; on the other hand, the flocculant thrown into the sewage is further diffused along with the movement of the water flow through the circular movement of the water flow.

Furthermore, the top of the collecting box is hinged with a wire mesh, and a torsion spring is arranged between the wire mesh and the top of the collecting box.

Has the advantages that: when receiving the suction of a piston cylinder in the collecting box, rivers and sediment are sucked into the collecting box, and the impact force of rivers and sediment cooperates the suction of a piston cylinder to make the wire netting deflect downwards for the sediment can get into in the collecting box. After losing the suction of a piston section of thick bamboo in the collecting box, the wire netting receives the torsional spring effect to deflect and resets, and sewage can flow through the wire netting, but the wire netting can avoid deposiing to leave the collecting box.

Further, the longitudinal section of the guide pipe is semicircular.

Has the advantages that: the water flow is guided by the radian of the inner wall of the guide pipe in the guide pipe, so that the water flow can flow out through the guide pipe more easily.

Further, the drainage direction of the drainage hole faces the air inlet pipe.

Has the advantages that: the sewage that the suction hole department absorb is the sewage that is close to intake pipe department, when sewage discharge, moves towards the intake pipe direction for the sewage circulation of treatment tank bottom forms an annular.

Further, a filter screen is arranged at the communication position of the bottom of the collecting box and the pipeline.

Has the advantages that: the filter screen is used for avoiding sediment from entering the piston cylinder through the pipeline.

Drawings

FIG. 1 is a front cross-sectional view of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a treatment pool 1, an air inlet 2, an air inlet pipe 3, a guide pipe 4, a turbine shaft 5, a turbine 6, a cam 7, a piston cylinder 8, a support rod 9, a collection box 10 and a wire netting 11.

The embodiment is basically as shown in the attached figure 1: sewage treatment equipment, including handling pond 1 and being used for letting in high-pressure gas's high-pressure gas storage device in to handling the pond, handle 1 bottom in the pond and be equipped with the inlet port 2 that is used for with high-pressure gas storage device intercommunication, the intercommunication has communicating pipe between inlet port and the high-pressure gas storage device promptly. The upper end of the air inlet hole 2 is communicated with an air inlet pipe 3, the air inlet pipe 3 comprises a necking section and an expanding section communicated with the upper end and the lower end of the necking section, a plurality of water inlet holes communicated with the inner cavity of the air inlet pipe 3 are formed in the side wall of the necking section, a plurality of pinholes communicated with the inner cavity of the air inlet pipe 3 are formed in the side wall of the expanding section, and the aperture of each pinhole is 2 mm.

The intake pipe 3 upper end is fixed with the closing plate, has a plurality of stand pipes 4 along the circumference equipartition on the closing plate, is equipped with the through-hole that all communicates with stand pipe, intake pipe promptly on the closing plate, and in this embodiment, stand pipe 4 is equipped with four. The longitudinal section semicircular in shape of stand pipe 4, stand

pipe

4 and 3 top intercommunications of intake pipe, the equal opening of one end that the intake pipe 3 was kept away from to stand pipe 4 is downward.

The side wall of the treatment pool 1 is positioned below the guide pipe 4 and is provided with a decontamination unit, the decontamination unit comprises a turbine shaft 5 which is rotatably connected in the treatment pool 1, a turbine 6 and a cam 7 are fixed on the turbine shaft 5, and the turbine 6 is positioned right below the free end of the guide pipe 4. The scrubbing unit is still including fixing the piston cylinder 8 in 1 bottom in the processing pond, and vertical sliding connection has the piston in the piston cylinder 8, and the piston upside is fixed with branch 9, is equipped with the spout along its curve profile on the cam 7, and branch 9 upper end sliding connection is in the spout. The bottom of the treatment pool 1 is positioned below the piston cylinder 8, a water suction hole communicated with the lower part of the piston cylinder 8 is arranged below the piston cylinder 8, a drain hole is arranged on one side of the side wall of the lower part of the piston cylinder 8 facing the air inlet pipe 3, a water suction check valve is arranged in the water suction hole, a drain check valve is arranged in the drain hole, when the pressure of the lower part of the piston cylinder 8 is increased, water at the lower part of the piston cylinder 8 is discharged into the treatment pool 1 through the drain check valve, and when the pressure of the lower part of the piston cylinder 8 is decreased, external water extracted from the lower part of the piston cylinder 8 enters the.

The decontamination unit also comprises a collecting box detachably connected to the bottom of the treatment tank 1, and specifically, the collecting box is clamped with the bottom of the treatment tank 1. The collecting boxes of the four decontamination units are respectively arranged around the air inlet pipe 3. The articulated wire netting 11 that has of collection box top, it is specific, be fixed with the cylindric lock on the wire netting 11, the cylindric lock rotates to be connected at the top of collecting box, installs the torsional spring between cylindric lock and the collection box top. The cross-sectional area of the wire mesh 11 is smaller than that of the inner cavity of the collecting box. The bottom of the collecting box is communicated with the water absorbing holes through a pipeline, and a filter screen is arranged at the communicating position of the bottom of the collecting box and the pipeline.

The specific implementation process is as follows:

in sewage got into treatment tank 1, the liquid level of sewage was not higher than the low side of stand pipe 4, and operating personnel dropped into the flocculating agent to treatment tank 1 in, the impurity formation sediment in the flocculating agent adsorbed sewage, and the sediment is subsided in the bottom of treatment tank 1.

Open high-pressure gas storage device, high-pressure gas passes through in inlet port 2 gets into intake pipe 3, and in the intake pipe 3 gets into treatment pond 1 again, high-pressure gas passes through the pinhole and discharges, because the pinhole size is less, the high velocity of flow of exhaust high-pressure gas is great, diffuses fast in sewage.

Meanwhile, the high-pressure gas discharged through the pinholes is less, most of the high-pressure gas continues to flow upwards, the flow speed of the high-pressure gas is increased to form negative pressure according to the Bernoulli principle when the high-pressure gas passes through the necking section, the sewage in the extraction treatment pool 1 enters the air inlet pipe 3 through the water inlet hole, is mixed with the gas in the air inlet pipe 3, is discharged outwards through the guide pipe 4 and returns to the treatment pool 1.

Because the liquid level of the sewage is not higher than the lower end of the guide pipe 4, the water discharged through the guide pipe 4 contacts with the air firstly and then enters the treatment pool 1, and the sewage contacts with the air and drives the air to enter the treatment pool 1, so that more air can be dissolved in the treatment pool 1. Simultaneously, the sewage that gets into in the intake pipe 3 is near the sewage of intake pipe 3, and the sewage dispersion after 4 discharges through the stand pipe is around handling pond 1, the sewage near intake pipe 3 gets into back in the intake pipe 3, handle pond 1 water all around and assemble near intake pipe 3, be equivalent to and handle 1 middle part of the pond water and handle 1 water all around and form the circulation, through the cyclic motion of rivers, make the flocculating agent that drops into in the sewage along with the motion diffusion effect of rivers better, adsorption to impurity in the sewage is better.

The ejected water flow drives the turbine 6 to rotate, the turbine shaft 5 drives the cam 7 to rotate along with the turbine 6, the cam 7 and the supporting rod 9 form a cam mechanism, and the supporting rod 9 moves up and down. When the supporting rod 9 moves upwards, the space at the lower part of the piston cylinder 8 is increased, the pressure is reduced, and water in the collecting box 10 is extracted through a pipeline. In the rivers circulation in-process, subside and move to 3 directions of being close to the intake pipe along with rivers at the sediment of 1 bottoms in processing pond, when the deposit near intake pipe 3 is more, block up pinhole or inlet opening easily, influence the follow-up work of device. When the piston cylinder 8 extracts water in the collecting box 10, the water at the bottom of the treatment pool 1 is sucked downwards, the precipitate near the air inlet pipe 3 is driven to move downwards, water flow and the precipitate are sucked into the collecting box 10, the water flow and the precipitate are matched with the suction force of the piston cylinder to enable the wire netting 11 to deflect downwards, the precipitate enters the collecting box 10, and the precipitate enters the collecting box 10 because the gravity of the precipitate is greater than the gravity of the water, so that the water in the collecting box 10 can be extruded out of the collecting box 10 after the precipitate enters the collecting box 10.

When the supporting rod 9 moves downwards, the space below the piston cylinder 8 is reduced, the pressure is increased, water below the piston cylinder 8 is discharged through the water discharge hole, sewage at the bottom of the treatment pool 1 sequentially enters the collection box 10 and the piston cylinder 8 and is discharged through the water discharge one-way valve and returns to the bottom of the treatment pool 1, and a water flow circulation is also formed, so that precipitates near the air inlet pipe 3 are collected into the collection box 10 in the circulation process, and needle holes or water inlet holes are prevented from being blocked by the precipitates; on the other hand, the flocculant thrown into the sewage is further diffused along with the movement of the water flow through the circular movement of the water flow. When branch 9 moves down, loses the suction of piston cylinder 8 in the collecting box 10, and wire netting 11 receives the torsional spring effect to deflect and reset, and wire netting 11 can avoid deposiing and leave collecting box 10.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Sewage treatment equipment, including handle the pond and be used for letting in high-pressure gas's high-pressure gas storage device in to the treatment pond, its characterized in that: the bottom of the treatment pool is provided with an air inlet hole which is communicated with a high-pressure gas storage device, the upper end of the air inlet hole is communicated with an air inlet pipe, the air inlet hole comprises a necking section and flaring sections which are communicated with two ends of the necking section, the side wall of the necking section is provided with a water inlet hole which is communicated with the inner cavity of the air inlet pipe, and the side wall of the flaring section is provided with a plurality of pinholes which are communicated with the inner cavity of the air inlet pipe; a sealing plate is fixed at the upper end of the air inlet pipe, a plurality of guide pipes are communicated with the sealing plate, openings of the ends of the guide pipes, which are far away from the air inlet pipe, face downwards, and decontamination units are arranged below the guide pipes in the treatment tank;

the decontamination unit comprises a turbine shaft which is rotationally connected in the treatment tank, a turbine and a cam are fixed on the turbine shaft, and the turbine is positioned right below the free end of the guide pipe; the decontamination unit also comprises a piston cylinder fixed at the bottom of the treatment pool, a piston is vertically and slidably connected in the piston cylinder, a supporting rod is fixed at the upper side of the piston, a chute is arranged on the cam along the curve profile of the cam, and the upper end of the supporting rod is slidably connected in the chute;

a water suction hole communicated with the lower part of the piston cylinder is arranged below the piston cylinder at the bottom of the treatment pool, a drain hole is arranged on the side wall of the lower part of the piston cylinder, a water suction one-way valve is arranged in the water suction hole, and a drain one-way valve is arranged in the drain hole; the decontamination unit also comprises a collecting box detachably connected to the bottom of the treatment pool, and the bottom of the collecting box is communicated with the water suction holes through a pipeline.

2. The sewage treatment apparatus of claim 1, wherein: the collection box top articulates there is the wire netting, installs the torsional spring between wire netting and the collection box top.

3. The sewage treatment apparatus of claim 2, wherein: the longitudinal section of the guide pipe is semicircular.

4. The sewage treatment apparatus of claim 3, wherein: the drainage direction of the drainage hole faces the air inlet pipe.

5. The sewage treatment apparatus of claim 4, wherein: and a filter screen is arranged at the communication position of the bottom of the collecting box and the pipeline.