CN214150084U

CN214150084U - Multistage self-cleaning desilting pretreatment device

Info

Publication number: CN214150084U
Application number: CN202022821503.9U
Authority: CN
Inventors: 王敏锋; 李冈生
Original assignee: Xiamen Yescan Environmental Protection S & T Co ltd
Current assignee: Xiamen Yescan Environmental Protection S & T Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-07
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a multistage self-cleaning desilting pretreatment device, which comprises a sedimentation bottle body communicated with each other in three stages, wherein a water inlet is arranged on the first-stage sedimentation bottle body, an overflow gap and a sampling port are arranged on the third-stage sedimentation bottle body, and the bottom of each-stage sedimentation bottle body is provided with a water outlet and is connected to the water outlet pipe; the middle part of the first-stage sedimentation bottle body is communicated to the middle part of the second-stage sedimentation bottle body through a first-stage sample feeding water pipe, the middle part of the second-stage sedimentation bottle body is communicated to the lower part of the third-stage sedimentation bottle body through a second-stage sample feeding water pipe, and the middle part of the third-stage sedimentation bottle body is arranged at the sampling port. The utility model discloses a third level subsides water sample entry of bottle is located the lower part, at the water-supply in-process, and silt only stops in the lower floor, improves the desilting efficiency and has reduced the possibility that the water sample produced the change as far as, has guaranteed the authenticity of water sample. And the supernatant can directly flow out from the sampling port by utilizing the height of the water outlet of the desilting basin. During cleaning, the filtering step of the sample water is repeated by the clear water, so that the device is more comprehensively cleaned.

Description

Multistage self-cleaning desilting pretreatment device

Technical Field

The utility model belongs to the technical field of the water treatment, concretely relates to multistage self-cleaning desilting preprocessing device.

Background

The function of the sand basin is to settle the harmful silt with a particle size larger than the specified size in the water, so that the sand content of the water meets the water quality requirement and is matched with the sand-holding capacity of the downstream channel, the section of the sand basin is far larger than that of the water diversion channel, the flow speed of the water flow to the inside of the sand basin is suddenly reduced, the sand-holding capacity is reduced, and the silt sinks in the basin.

The grit chamber needs to detect the quality of the outlet water frequently in the water treatment process, so as to evaluate the water quality environment and adjust the treatment mode and parameters. The current desilting basin can produce great influence to measuring probe's life and measured data because of the impurity of the great granule of former water quality, even there is the process of carrying out the preliminary treatment to the water sample, the water sample is from subsiding the position direct outflow, and the water sample after subsiding still carries impurity such as silt particle. And the existing treatment device generally only cleans the sedimentation tanks, but cannot effectively clean the pipelines among the sedimentation tanks. Therefore, a water sample pretreatment device which can effectively settle particles with large mass, can ensure that a water sample is clear when water is discharged, has self-cleaning capability and is easy to clean is needed.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned shortcomings and deficiencies in the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems in the prior art, in other words, to provide a multi-stage self-cleaning desilting pretreatment device that satisfies one or more of the above-mentioned needs.

In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

a multistage self-cleaning desilting pretreatment device comprises three-stage communicated sedimentation bottle bodies, wherein a water inlet is formed in the first-stage sedimentation bottle body, an overflow port and a sampling port are formed in the third-stage sedimentation bottle body, and a water outlet is formed in the bottom of each-stage sedimentation bottle body and connected to a water drain pipe; the method is characterized in that: the middle part of the first-stage sedimentation bottle body is communicated to the middle part of the second-stage sedimentation bottle body through a first-stage sample feeding water pipe, the middle part of the second-stage sedimentation bottle body is communicated to the lower part of the third-stage sedimentation bottle body through a second-stage sample feeding water pipe, and the sampling port is arranged in the middle part of the third-stage sedimentation bottle body.

As a preferred scheme, the top of the second-stage settling bottle body is provided with a stirrer, and the stirrer extends into the middle of the bottle body.

Preferably, the stirrer is fixedly arranged at the top of the second-stage settling flask body through a flange plate.

As a preferred scheme, a first liquid level switch is arranged below an inlet of the second-stage sample feeding water pipe of the second-stage settling flask body; and a second liquid level switch is arranged between the overflow port and the sampling port of the third-stage settling bottle body, and a third liquid level switch is arranged at the lower part of the third-stage settling bottle body.

As a preferred scheme, a first manual ball valve and a rotor flow meter are arranged on the first-stage sample feeding water pipe.

As a preferred scheme, a pressure gauge is arranged at the lower part of the first-stage settling flask body.

Preferably, the top of the third-stage settling flask body is provided with an exhaust hole.

As a preferred scheme, the bottom water outlets of the first-stage, second-stage and third-stage sedimentation bottle bodies are provided with electromagnetic valves at the joints with the water drainage pipes.

As the preferred scheme, the tops of the first-stage, second-stage and third-stage settling bottles are provided with openings, and top covers which are detachably connected are arranged on the openings.

As the preferred scheme, the sample feeding water pipe and the drain pipe which are connected with the bottle body on the first-stage, second-stage and third-stage sedimentation bottle bodies are connected with the bottle body in a detachable mode.

Compared with the prior art, the utility model, beneficial effect is:

1) the water sample inlet of the third-stage settling bottle body is positioned at the lower part, and the silt only stays at the lower layer under the action of gravity along with the rising of the water level in the settling tank in the water feeding process by utilizing the water level drop formed by the height of the bottle body, so that the upper-layer water sample can be clarified quickly, the settling efficiency is greatly improved, the settling time is shortened, the possibility of generating change of the water sample is reduced as much as possible, and the authenticity of the water sample is ensured;

2) directly flowing the supernatant out of the sampling port by utilizing the height of the water outlet of the desilting basin;

3) compared with the prior art, the utility model discloses an equal water inlet of water sample and clear water gets into, and during the washing, the filtration step of the repeated water sample of clear water realizes the effective washing of three inside wall of settling flask.

Drawings

Fig. 1 is a schematic structural view of a multistage self-cleaning desilting pretreatment device according to embodiment 1 of the present invention;

fig. 2 is a sectional view of a multistage self-cleaning desilting pretreatment apparatus according to embodiment 1 of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Example 1: the multi-stage self-cleaning desilting pretreatment device of the embodiment has a structure as shown in fig. 1, and comprises three settling bottles, namely a first-stage settling bottle 16, a second-stage settling bottle 17 and a third-stage settling bottle 18. The diameters of the three bottles are respectively 80cm, 125cm and 160cm, the heights of the three bottles are 900mm, top covers are arranged at the tops of the three bottles, and water outlets are arranged at the bottoms of the three bottles and connected with water drainage pipes. The top cover of the first-stage sedimentation bottle body is provided with a water inlet 21 which is connected with a water inlet pipeline. The top cover is connected with the sedimentation bottle body in a sealing way, and can be detached to conveniently clean the sludge on the inner wall of the sedimentation bottle body manually.

First order settlement bottle body and second level settlement bottle body are within a definite time through first order sample delivery water pipe intercommunication, first order sample delivery water pipe links to each other with first order settlement bottle body through first order water inlet 23, the position that links to each other is located 200mm department under the first order settlement bottle body top lid, first order sample delivery water pipe still links to each other with second level settlement bottle body through first order delivery port 24, the position that links to each other is located 200mm department under the second level settlement bottle body top lid, first order sample delivery water pipe is middle part decurrent U-shaped, install first manual ball valve 2 and rotor flow meter 3 on it and be used for regulating flow. The first-stage water inlet is bent downwards for a certain distance after extending into the first-stage sedimentation bottle body, and the first-stage water outlet is also bent downwards for a certain distance after extending into the second-stage sedimentation bottle body, so that the water sample flowing out of the first-stage sample feeding water pipe reaches the bottom of the second-stage sedimentation bottle body firstly.

The second level settling flask body is still sent a kind water pipe through the second level and is communicate with the third level settling flask body beyond sending a kind water pipe with the first level settling flask body through the first level. The second-stage sedimentation bottle body is connected with a second-stage sample feeding water pipe through a second-stage water feeding port 25 at the opposite side of the position connected with the first-stage water outlet, and the other end of the second-stage sample feeding water pipe is connected with a third-stage sedimentation bottle body through a second-stage water outlet 26 at the lower part of the third-stage sedimentation bottle body. Through setting up the second level delivery port in third level sedimentation bottle lower part, can utilize the head that highly forms, at the water sample flow in-process, along with the rising of the internal water level of third level sedimentation bottle, silt only stops in the lower floor under the action of gravity, makes upper water sample can obtain the clarification fast, improves desilting efficiency greatly, shortens desilting time, has reduced the possibility that the water sample produced the change as far as, has guaranteed the authenticity of water sample.

The upper part of the third-stage settling flask body is also provided with a sampling port 20 and an overflow port 19, and the overflow port is arranged above the sampling port. The advantage of delivery port height can be utilized through setting up the sample connection in the design of top, directly derives sample analysis with the supernatant, does not need the water pump to promote the water sample. The top cover 15 of the third-stage settling flask body is also provided with three air holes with the diameter of 8mm for exhausting.

The agitator is arranged above the second-stage settling flask body and is fixed on the top cover of the second-stage settling flask body through a flange piece 4, a 24V motor 6 is fixed on the flange piece through a motor support 5, the shaft of the motor faces downwards and is in shaft connection with a spiral stirring rod 14 through a shaft connecting piece 13, and the spiral stirring rod extends downwards to the bottom of the second-stage settling flask body and is connected with a stirring paddle 141 at the tail end. The stirring rake is arranged in stirring the tiny suspended particles in the second level settlement bottle body, and motor 6 adopts flange fixed connection to cover at second level settlement bottle body top for stir the not swing of broken glass in-process stirring rake, rotation stability, and dismantle and maintain the convenience.

A first liquid level switch 7 is arranged 50mm below the joint of the second-stage sedimentation bottle body and the second-stage water feeding port, a second liquid level switch 8 is arranged between the overflow port of the third-stage sedimentation bottle body and the sampling port, and a third liquid level switch 9 is arranged at the lower part of the third-stage sedimentation bottle body. The three liquid level switches are used for measuring the liquid level height and detecting the running state of the device.

The lower part of the first-stage settling flask body 16 is also provided with a pressure gauge 10, and a water outlet pipe 22 connected with a water outlet at the bottom of the first-stage settling flask body is provided with a second manual ball valve 12 for observing and adjusting the water pressure in the first-stage settling flask body.

All be equipped with model DN 25's solenoid valve 11 with the drain pipe junction under the outlet of first order, second level, third level sedimentation bottle, through opening three solenoid valve simultaneously, realize sedimentation bottle's drainage control, three sedimentation bottle of usable interval evacuation.

The connection among the first-stage, second-stage and third-stage sedimentation bottle bodies, the pipelines and the electromagnetic valves is connected through a detachable rotary interface with the movable interface 1, so that the sedimentation bottle bodies can be conveniently detached to maintain and replace.

When the device needs to be cleaned, clear water can be poured in from the water inlet, so that the steps of the sample water filtering process are repeated, all pipelines through which the sample water flows can be completely washed, and effective cleaning in the device can be better realized.

During installation, the three sedimentation bottle bodies are vertically fixed through the support through the pipe clamp, and then the main body installation can be completed by connecting pipelines on the sedimentation bottle bodies.

It should be noted that the above description is only for the purpose of illustrating the preferred embodiments and principles of the present invention, and it should be apparent to those skilled in the art that various changes and modifications can be made in the embodiments in accordance with the spirit and scope of the present invention.

Claims

1. A multistage self-cleaning desilting pretreatment device comprises three-stage communicated sedimentation bottle bodies, wherein a water inlet is formed in the first-stage sedimentation bottle body, an overflow port and a sampling port are formed in the third-stage sedimentation bottle body, and a water outlet is formed in the bottom of each-stage sedimentation bottle body and connected to a water drain pipe; the method is characterized in that: the middle part of the first-stage sedimentation bottle body is communicated to the middle part of the second-stage sedimentation bottle body through a first-stage sample feeding water pipe, the middle part of the second-stage sedimentation bottle body is communicated to the lower part of the third-stage sedimentation bottle body through a second-stage sample feeding water pipe, and the sampling port is arranged in the middle part of the third-stage sedimentation bottle body.

2. The multi-stage self-cleaning silt deposit pretreatment device of claim 1, wherein an agitator is provided at the top of the second-stage settling tank body, and the agitator extends into the middle of the tank body.

3. The multi-stage self-cleaning silt deposit pretreatment apparatus of claim 2, wherein the agitator is fixedly mounted to the top of the second stage settling body by a flange.

4. The multi-stage self-cleaning desilting pretreatment device of claim 1, wherein the second-stage sedimentation bottle body is provided with a first liquid level switch below an inlet of the second-stage sample feeding water pipe; and a second liquid level switch is arranged between the overflow port and the sampling port of the third-stage settling bottle body, and a third liquid level switch is arranged at the lower part of the third-stage settling bottle body.

5. The multi-stage self-cleaning sand sediment pretreatment device of claim 1, wherein a first manual ball valve and a rotor flow meter are arranged on the first-stage sample feeding water pipe.

6. The multi-stage self-cleaning desilting pretreatment device of claim 1, wherein a pressure gauge is provided at the lower part of the first-stage settling flask body.

7. The multi-stage self-cleaning silt deposit pretreatment device of claim 1, wherein the top of the third stage settling flask body is provided with an exhaust hole.

8. The multi-stage self-cleaning silt deposit pretreatment device of claim 1, wherein the bottom drains of the first, second and third settling flask bodies are provided with solenoid valves at the connection with the drain.

9. The multi-stage self-cleaning silt deposit pretreatment apparatus of claim 1, wherein the first, second, and third settling flask bodies have openings at the tops thereof, and top caps detachably attached thereto are mounted thereon.

10. The multi-stage self-cleaning silt-settling pretreatment device of claim 1, wherein the joints of the sample-feeding water pipes and the drain pipes connected with the bottle bodies on the first-stage, second-stage and third-stage settling bottle bodies are detachably connected with the bottle bodies.