CN218011428U - A sand removal device of intaking for sewage treatment plant - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a water inlet desanding device for a sewage treatment plant, comprising a sedimentation box, a feeding box is fixedly arranged on the upper end of the sedimentation box, and a discharge box is fixedly arranged on one side of the feeding box. The sand pipe, the side of the feeding box away from the sand discharge pipe is fixedly provided with a motor, the output end of the motor is fixedly connected with a screw device, and the lower end of the side of the feeding box close to the sand discharge pipe is fixedly provided with a connecting pipe, A filter plate is fixedly installed at the lower end of the inner wall of the feeding box and at the joint with the connecting pipe, and a filter screen is fixedly installed inside the sedimentation tank at the lower end of the outlet pipe. In the utility model, the device can carry out secondary filtration of sewage, and can also automatically close the device for sedimentation when the water reaches a certain height, so that the filtering effect is better, and the operation process of the staff is also reduced, and the operation is easier .

Description

A water inlet desanding device for a sewage treatment plant

technical field

The utility model relates to the technical field of sewage treatment, in particular to a water inlet desanding device for a sewage treatment plant.

Background technique

Sewage treatment is the process of purifying sewage to meet the water quality requirements of being discharged into a certain water body or reused. With the rapid development of economy, people have higher and higher requirements for water quality, and urban sewage types will contain a large amount of sand. Stones need to be filtered by sedimentation. The existing device does not perform secondary filtration on sewage, nor does it have the effect of automatically shutting down the device for sedimentation when the water reaches a certain height, so that the filtering effect is not high, and it is very inconvenient for the staff to operate. .

After searching, the existing patent (publication number is: CN215352465U) discloses a kind of high-efficiency sewage treatment plant influent desandering device, although this patented technology avoids the clogging of filter plate, has improved the effect of filtering, but exists can not be carried out to sewage. Secondary filtration does not have the problem of automatically shutting down the device for sedimentation when the water reaches a certain height, resulting in low filtering effect and very inconvenient operation for staff. Therefore, those skilled in the art provide a It is used in the water inlet sand removal device of the sewage treatment plant to solve the problems raised in the above-mentioned background technology.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art, and propose a water inlet sand removal device for sewage treatment plants. The device can perform secondary filtration on sewage, and can also When the device is automatically closed for precipitation, the filtration effect is better, and the operation process of the staff is reduced, making the operation easier.

In order to achieve the above object, the utility model provides the following technical solutions:

A water inlet desanding device for a sewage treatment plant, comprising a sedimentation box, a feeding box is fixedly installed on the upper end of the sedimentation box, and a sand discharge pipe is fixedly installed on one side of the feeding box, and the feeding box is far away from the sand discharge pipe A motor is fixed on one side of the inner side of the motor, and the output end of the motor is fixedly connected with a screw device. The lower end of the side of the feeding box close to the sand discharge pipe is fixedly installed with a connecting pipe, and the lower end of the inner wall of the feeding box is connected to the connecting pipe. A filter plate is fixed at the place;

The lower end of the settling box is fixedly provided with a cleaning pipe, the side of the settling box away from the sand discharge pipe is fixedly provided with an outlet pipe near its lower end, and a filter screen is fixedly installed inside the settling box and at the lower end of the outlet pipe, so An infrared emitter is fixedly arranged on the inner wall of the upper end of the sedimentation tank near the outlet pipe; an infrared receiver is fixedly installed on the inner wall of the sedimentation tank away from the infrared transmitter; a slide bar, the lower end of the slide bar is fixedly provided with a disc, and the outer wall of the slide bar is movably provided with a floating block;

Through the above technical scheme, turn on the motor, turn on the infrared transmitter, the light emitted by the infrared transmitter is irradiated on the infrared receiver, and the screw device is driven by the motor to rotate. After squeezing and dehydrating, the dirt is discharged from the sand discharge pipe and squeezed. The water will be filtered through the filter plate and flow into the connecting pipe to the sedimentation tank. As the water accumulates more and more, it will pass through the filter screen for secondary filtration. When the water overflows the filter screen and reaches the floating block, the floating block will When the floating block reaches a certain height, the light emitted by the infrared emitter will shine on the floating block. When the infrared receiver cannot receive the light irradiated by the infrared emitter, a signal will be sent to stop the feeding box and the sedimentation box will stop working. Receive sewage again.

Further, the upper end of the feeding box is fixedly provided with a water inlet bucket;

Through the above technical scheme, water is delivered to the feeding box through the water inlet bucket.

Further, a partition is fixedly arranged inside the feeding box and on the side close to the water inlet hopper;

Through the above technical solution, the motor and the screw device are separated by a partition.

Further, the lower end of the connecting pipe is fixedly connected inside the lower end of the settling tank;

Through the above technical scheme, the water in the feeding box is sent into the sedimentation box through the connecting pipe.

Further, the lower end of the settling tank is fixedly provided with four supporting legs;

Through the above technical solution, the device is supported by the supporting legs.

Further, the front end of the settling tank is fixedly provided with an observation window;

Through the above technical scheme, the inside of the sedimentation tank can be observed through the observation window.

Further, the lower end of the cleaning pipe is fixedly provided with a first valve;

Through the above technical solution, the cleaning pipe is opened through the first valve.

Further, a second valve is fixedly arranged on the outlet pipe;

Through the above technical solution, the water outlet pipe is opened through the second valve.

The utility model has the following beneficial effects:

1. The utility model proposes a water inlet sand removal device for sewage treatment plants. The device can double filter the sewage through the motor, screw device, filter plate, connecting pipe and filter screen, and the motor drives the screw. The device rotates, and after being squeezed and dehydrated, the dirt is discharged from the sand discharge pipe, and the squeezed water will be filtered through the filter plate and flow into the connecting pipe to the sedimentation tank. As the internal water level rises, the sewage will pass through the filter. net for secondary filtration to improve the filtering effect of the device.

2. The utility model proposes a water inlet desanding device for sewage treatment plants. The device can clean the inside of the device through the set cleaning pipe and the first valve to prevent blockage. The rotating screw device can also Clean the surface of the filter plate to prevent the filter plate from clogging, and the screw device will squeeze the dirt and discharge it from the sewage pipe, which reduces the work flow of the staff and makes the device more practical.

3. The utility model proposes a water inlet desanding device for sewage treatment plants. The light emitted by the device is irradiated on the infrared receiver through the infrared transmitter. When the water overflows the filter and reaches the floating block, the floating block will It will float up. When the floating block reaches a certain height, the light emitted by the infrared transmitter will shine on the floating block. When the infrared receiver cannot receive the light irradiated by the infrared emitter, it will send a signal to stop the feeding box and the sedimentation box. The sewage is no longer received, and the original sewage in the sedimentation tank is deposited to improve the sedimentation and sand removal effect of the device on sewage.

Description of drawings

Fig. 1 is a front view of a water inlet desanding device for a sewage treatment plant proposed by the utility model;

Fig. 2 is a front sectional view of a water inlet sand removal device for a sewage treatment plant proposed by the utility model;

Fig. 3 is a schematic diagram of the connection structure of a sliding bar and a floating block of a water inlet desanding device for a sewage treatment plant proposed by the utility model;

Fig. 4 is an enlarged view of point A in Fig. 1 .

illustration:

1. Settling box; 2. Feeding box; 3. Water inlet bucket; 4. Sand discharge pipe; 5. Partition plate; 6. Motor; 7. Spiral device; 8. Connecting pipe; 9. Filter plate; 10. Support leg ;11, observation window; 12, clearing pipe; 13, first valve; 14, outlet pipe; 15, second valve; 16, filter screen; 17, infrared emitter; 18, infrared receiver; 19, slide bar ; 20, disc; 21, floating block.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1-4, an embodiment provided by the utility model: a water inlet sand removal device for a sewage treatment plant, including a sedimentation tank 1, the upper end of the sedimentation tank 1 is fixedly provided with a feeding box 2, and the feeding box 2 is a The sand discharge pipe 4 is fixedly installed on the side, and the motor 6 is fixedly installed on the inner side of the feeding box 2 away from the sand discharge pipe 4. The output end of the motor 6 is fixedly connected with a screw device 7, and the side of the feeding box 2 close to the sand discharge pipe 4 A connecting pipe 8 is fixedly arranged at the lower end, and a filter plate 9 is fixedly arranged at the lower end of the inner wall of the feeding box 2 and connected with the connecting pipe 8;

The lower end of the sedimentation tank 1 is fixedly provided with a cleaning pipe 12, the side of the sedimentation tank 1 away from the sand discharge pipe 4 is fixedly provided with an outlet pipe 14 near its lower end, and a filter screen 16 is fixedly installed inside the sedimentation tank 1 and at the lower end of the outlet pipe 14 An infrared transmitter 17 is fixedly arranged on the inner wall of the upper end of the sedimentation tank 1 near the water outlet pipe 14, and an infrared receiver 18 is fixedly installed on the inner wall of the sedimentation tank 1 away from the infrared transmitter 17. The upper middle part of the sedimentation tank 1 A slide bar 19 is fixedly arranged, the lower end of the slide bar 19 is fixedly provided with a disc 20, and the outer wall of the slide bar 19 is movably provided with a floating block 21;

Turn on the motor 6, turn on the infrared transmitter 17, the light emitted by the infrared transmitter 17 is irradiated on the infrared receiver 18, and the screw device 7 is driven by the motor 6 to rotate. After pressing and dehydrating, the dirt is discharged from the sand discharge pipe 4 and squeezed out. The pressurized water will be filtered through the filter plate 9 and flow into the connecting pipe 8 to the sedimentation tank 1. As the water accumulates more and more, it will pass through the filter screen 16 for secondary filtration. When the water overflows through the filter screen 16 and reaches When floating block 21, floating block 21 can float up, and when floating block 21 reaches certain height, the light that infrared emitter 17 sends can shine on floating block 21, when infrared receiver 18 can't receive the light that infrared emitter 17 irradiates light, send out a signal, so that the feeding box 2 stops working, and the sedimentation box 1 no longer receives sewage;

The upper end of the feeding box 2 is fixedly provided with a water inlet 3, through which water is delivered to the feeding box 2, and the inside of the feeding box 2 and the side near the water inlet 3 are fixedly provided with a partition 5, through which the motor 6 Separated from the screw device 7, the lower end of the connecting pipe 8 is fixedly connected inside the lower end of the sedimentation tank 1, and the water in the feeding box 2 is sent into the sedimentation tank 1 through the connecting pipe 8, and the lower end of the sedimentation tank 1 is fixedly provided with four support legs 10. The supporting leg 10 supports the device, and the front end of the sedimentation tank 1 is fixedly provided with an observation window 11, through which the inside of the sedimentation tank 1 is observed, and the lower end of the clearing pipe 12 is fixedly equipped with a first valve 13, through which the clearing tank 13 is opened. A second valve 15 is fixedly arranged on the pipe 12 and the water outlet pipe 14 , and the water outlet pipe 14 is opened through the second valve 15 .

Working principle: When the water inlet sand removal device of the sewage treatment plant is in use, turn on the motor 6, turn on the infrared emitter 17, the light emitted by the infrared emitter 17 is irradiated on the infrared receiver 18, and the screw device 7 is driven by the motor 6 to rotate, After squeezed and dehydrated, the dirt is discharged from the sand discharge pipe 4, and the squeezed water will be filtered through the filter plate 9, and flow into the connecting pipe 8 to the sedimentation tank 1, and the rotating screw device 7 can also filter the filter plate 9. Cleaning, as more and more accumulated water passes through the filter screen 16 for secondary filtration, when the water overflows the filter screen 16 and reaches the floating block 21, the floating block 21 will float up, and when the floating block 21 reaches a certain height , the light that infrared emitter 17 sends can be irradiated on the float 21, when infrared receiver 18 does not receive the light that infrared emitter 17 irradiates, sends signal, makes feeding box 2 stop working, and sedimentation box 1 no longer receives sewage, Precipitate the original sewage in the sedimentation tank 1, open the second valve 15 after sedimentation, and discharge the water from the outlet pipe 14.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. A water inlet sand removal device for a sewage treatment plant, comprising a settling box (1), characterized in that: the upper end of the settling box (1) is fixedly provided with a feeding box (2), and the feeding box (2) ) side is fixedly provided with a sand discharge pipe (4), and the inner side of the feeding box (2) away from the sand discharge pipe (4) is fixedly provided with a motor (6), and the output end of the motor (6) is fixedly connected to There is a screw device (7), the lower end of the feeding box (2) close to the side of the sand discharge pipe (4) is fixedly provided with a connecting pipe (8), and the lower end of the inner wall of the feeding box (2) is connected with the connecting pipe (8) A filter plate (9) is fixedly arranged at the joint; The lower end of the settling box (1) is fixedly provided with a cleaning pipe (12), and the settling box (1) is fixedly provided with an outlet pipe (14) on the side away from the sand discharge pipe (4) and at its lower end. A filter screen (16) is fixedly installed inside the settling tank (1) and located at the lower end of the outlet pipe (14), and an infrared emitter is fixedly installed on the inner wall of the upper end of the settling tank (1) near the outlet pipe (14). (17), the inner wall of the settling box (1) away from the infrared transmitter (17) is fixedly provided with an infrared receiver (18), and the upper end of the middle part of the settling box (1) is fixedly provided with a slide bar (19) , the lower end of the slide bar (19) is fixedly provided with a disc (20), and the outer wall of the slide bar (19) is movably provided with a floating block (21). 2. A water inlet sand removal device for a sewage treatment plant according to claim 1, characterized in that: the upper end of the feeding box (2) is fixedly provided with a water inlet bucket (3). 3. A water inlet sand removal device for a sewage treatment plant according to claim 1, characterized in that: a partition is fixed inside the feeding box (2) and on the side close to the water inlet bucket (3) (5). 4. The water inlet sand removal device for a sewage treatment plant according to claim 1, characterized in that: the lower end of the connecting pipe (8) is fixedly connected to the lower end of the sedimentation tank (1). 5. The water inlet sand removal device for sewage treatment plants according to claim 1, characterized in that four support legs (10) are fixedly arranged at the lower end of the settling tank (1). 6. The water inlet sand removal device for sewage treatment plants according to claim 1, characterized in that: the front end of the sedimentation tank (1) is fixedly provided with an observation window (11). 7. The water inlet sand removal device for a sewage treatment plant according to claim 1, characterized in that a first valve (13) is fixedly installed at the lower end of the cleaning pipe (12). 8. The water inlet sand removal device for sewage treatment plants according to claim 1, characterized in that: the second valve (15) is fixedly arranged on the water outlet pipe (14).

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