CN214344805U - Hydraulic screen - Google Patents

Abstract

The utility model discloses a hydraulic screen, include: the hydraulic screen comprises a hydraulic screen body, a water baffle, a screen frame, a support frame and a slag-out conveying device; the hydraulic screen body is fixed on the support frame; the hydraulic screen body is provided with a water inlet, a water outlet and a slag outlet, and the slag conveying device is arranged in front of the slag outlet; the screen frame is obliquely arranged on the hydraulic screen body; the water baffle is arranged on the hydraulic screen body and is positioned at the upper end of the screen frame; the screen frame is characterized by further comprising a cleaning assembly and a control device, wherein the cleaning assembly is arranged on one side of the back face of the screen frame, and the control assembly is connected with the cleaning assembly to control the operation of the cleaning assembly. The utility model discloses set up in screen frame back one side and wash the subassembly, wash the subassembly and can wash the screen frame and go up the sediment thing, avoid the screen panel to block.

Description

Hydraulic screen

Technical Field

The utility model relates to a water treatment field, concretely relates to hydraulic screen.

Background

The hydraulic screen is used as a trash holding device and is a special device in sewage treatment machinery. The hydraulic screen is a small-sized device for solid-liquid separation, can effectively reduce the concentration of suspended matters in water under the condition of low concentration of suspension, lightens the treatment load of subsequent procedures, and plays a role in protecting water pumps, pipelines and instruments. The principle is that the interception function of the screen surface is utilized to enable the filtered water to flow out from the gaps of the screen plate, and meanwhile, the solid substances are pushed to the lower end of the screen plate under the hydraulic action, so that the purpose of separation is achieved.

However, the solid impurities contained in the current various types of sewage are complex and contain silk-like impurities such as silt, hair, silk and the like. The wedge-shaped sieve plates of the hydraulic sieve have small gaps, are easy to accumulate and block, tend to solidify and deposit after being used for a period of time, and if not cleaned in time, can generate the phenomena of water leakage and the like, so that the problems of overflow, water return and the like are caused, and the sewage treatment capacity of the hydraulic sieve is seriously influenced or even the normal filtration cannot be realized. The manual maintenance and cleaning are frequently needed, and the manual cleaning is time-consuming and labor-consuming, and affects the operation of sewage treatment, so that the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve at least a defect or problem that exists among the background art, provide a hydraulic screen with can self-cleaning screen panel.

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

a hydraulic screen comprising: the hydraulic screen comprises a hydraulic screen body, a water baffle, a screen frame, a support frame and a slag-out conveying device; the hydraulic screen body is fixed on the support frame; the hydraulic screen body is provided with a water inlet, a water outlet and a slag outlet, and the slag conveying device is arranged in front of the slag outlet; the screen frame is obliquely arranged on the hydraulic screen body; the water baffle is arranged on the hydraulic screen body and is positioned at the upper end of the screen frame; the screen frame is characterized by further comprising a cleaning assembly and a control device, wherein the cleaning assembly is arranged on one side of the back face of the screen frame, and the control assembly is connected with the cleaning assembly to control the operation of the cleaning assembly.

Furthermore, the cleaning device also comprises a reciprocating driving device, the cleaning component is movably arranged on one side of the back surface of the screen frame, the reciprocating driving device is connected with the cleaning component to drive the cleaning component to do reciprocating movement, and the control device is connected with the reciprocating driving device to control the operation of the cleaning component.

Furthermore, the cleaning assembly comprises a high-pressure water inlet pipe, a connecting pipe, a walking pipeline, a fan-shaped nozzle and a sliding rail; the slide rail sets up in hydraulic screen body both sides, and walking pipeline slidable connects the slide rail in order to slide on the slide rail, and reciprocating motion is done with its drive to the walking pipeline in reciprocating motion to reciprocating motion drive arrangement connection walking pipeline, and fan-shaped nozzle is located on the walking pipeline, and the high pressure inlet tube is connected to the walking pipeline through the connecting pipe.

Furthermore, pulleys matched with the sliding rails are arranged on two sides of the walking pipeline.

Furthermore, reciprocating drive device includes cylinder and cylinder cover plate, and cylinder cover plate locate the hydraulic screen body curb plate outside, and the cylinder is connected the pulley is in order to drive it and do reciprocating motion.

Further, the screen frame comprises a screen panel and two fixed inclined plates; the two fixed inclined plates are fixed on two sides of the hydraulic screen body through bolts, and the screen panel is positioned between the two fixed inclined plates; the fixed sloping plate is provided with an adjusting elongated slot matched with the bolt.

Furthermore, the water baffle is rotatably arranged on the hydraulic screen body.

Furthermore, a filter plate is arranged above the water outlet.

Furthermore, a water distribution plate is arranged above the water inlet.

Compared with the background art, the utility model, have following advantage:

(1) set up the washing subassembly in screen frame back one side, the washing subassembly can wash the screen frame and go up the sediment thing, avoids screen panel to block.

(2) The cleaning assembly can move in a reciprocating mode, the washing area is large, and cleaning is thorough.

(3) The fixed sloping plate is provided with an adjusting elongated slot matched with the fixing part, and the inclination of the screen panel can be adjusted to adapt to different filtered objects to achieve a better filtering effect by adjusting the position relation of the fixing part and the adjusting elongated slot.

Drawings

In order to more clearly illustrate the technical solution of the embodiments, the drawings needed to be used are briefly described as follows:

FIG. 1 is a schematic illustration of a front side of an example hydraulic screen;

FIG. 2 is a schematic side view of an example hydraulic screen;

FIG. 3 is a schematic illustration of the back of an example hydraulic screen;

FIG. 4 is a schematic top view of an example hydraulic screen;

FIG. 5 is a partial schematic view of a cleaning assembly of an example hydraulic screen;

reference numerals: 1. the water screen comprises a water screen body, 11. a water screen cover plate, 12. a perforated filter plate, 13. a water outlet, 14. a water inlet, 15. an air outlet, 16. a water distribution plate, 2. a rotatable water baffle, 21. a water baffle main body, 22. a rotating shaft, 23. a manual turbine head, 3. an adjustable inclination screen frame, 31. a screen panel, 32. a fixed inclined plate, 321. an adjusting elongated slot; 4. reciprocating driving device, 41 cylinder, 42 cylinder cover plate, 5 cleaning component, 51 high-pressure water inlet pipe, 52 moving pipeline, 53 fan-shaped nozzle, 54 sliding rail, 55 pulley; 6. a supporting frame, 7, an electric control device and 8, a slag discharging and conveying device.

Detailed Description

In the description of the present invention, the directions or positional relationships indicated by "up" and "down" are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and the indication or suggestion that the indicated device must have a specific direction, be constructed and operated in a specific direction is not intended to limit the scope of the present invention.

Referring to fig. 1 to 4, the hydraulic screen of the embodiment comprises a hydraulic screen body 1, a rotatable water baffle 2, an adjustable inclination screen frame 3, a reciprocating driving device 4, a cleaning assembly 5, a supporting frame 6, an electrical control device 7 and a slag discharging and conveying device 8.

The hydraulic screen body 1 is fixed on the support frame 6; the hydraulic screen body 1 is provided with a water inlet 14, a water outlet 13 and a slag outlet, and the slag conveying device 8 is arranged in front of the slag outlet; the screen frame is obliquely arranged on the hydraulic screen body 1; the water baffle is arranged on the hydraulic screen body 1 and is positioned at the upper end of the screen frame; the cleaning assembly 5 is movably arranged on one side of the back face of the screen frame, the control assembly is connected with the cleaning assembly 5 to control the operation of the cleaning assembly, the reciprocating driving device 4 is connected with the cleaning assembly 5 to drive the cleaning assembly to do reciprocating movement, and the control device is connected with the reciprocating driving device 4 to control the operation of the cleaning assembly.

Specifically, the cleaning assembly 5 comprises a high-pressure water inlet pipe 51, a connecting pipe, a moving pipeline 52, a fan-shaped nozzle 53 and a slide rail 54; the slide rail 54 is clamped by two angle steels and is obliquely fixed on the inner sides of two side plates of the hydraulic screen body 1 by bolts; pulleys 55 matched with the sliding rails 54 are arranged on two sides of the moving pipeline 52 to slide on the sliding rails 54, the reciprocating driving device 4 is connected with the moving pipeline 52 to drive the moving pipeline 52 to reciprocate, the fan-shaped nozzles 53 are arranged on the moving pipeline 52, the high-pressure water inlet pipe 51 is arranged on the back of the hydraulic screen body 1 and is connected to the moving pipeline 52 through a metal hose, and the three rows of fan-shaped nozzles 53 are discontinuously and uniformly distributed on the moving pipeline 52.

Specifically, the reciprocating driving device 4 includes a cylinder 41 and a cylinder cover plate 42, the cylinder 41 and the cylinder cover plate 42 are disposed on the outer side of the side plate of the hydraulic screen body 1, and the cylinder 41 is connected to the pulley 55 to drive the pulley to reciprocate.

Specifically, the screen frame comprises a screen panel 31 and two fixed inclined plates 32; the two fixed inclined plates 32 are fixed on two sides of the hydraulic screen body 1 through bolts, the upper ends of the fixed inclined plates 32 are fixed on the hydraulic screen body 1 through bolts, and when the fixing pieces are loosened, the fixed inclined plates 32 can rotate by taking the bolts as rotating shafts; the screen panel 31 is positioned between the two fixed inclined plates 32; the fixed inclined plate 32 is provided with an adjusting elongated slot 321 which is matched with the bolt. When the screen frame needs to be adjusted, the bolts can be loosened, the fixed inclined plate 32 is rotated, and the position relation between the adjusting long groove 321 and the bolts is adjusted to adjust the inclination of the screen frame.

Specifically, rotatable breakwater 2 hydraulic sieve body 1 is gone up and is located screen frame upper end and is close to exhaust port 15, and rotatable breakwater 2 includes breakwater main part 21, pivot 22, fixing base, manual turbine head 23, and breakwater main part 21 fixed connection is in pivot 22, and manual turbine head 23 is fixed in one side of pivot 22 and drives pivot 22 and drive breakwater main part 21 and adjust, avoids the water distribution inequality.

The perforated filter plate 12 is arranged at the front end of the water outlet 13, and the water distribution plate 16 is arranged at the position which is separated from the water inlet 14 by the height 2/3 of the water inlet tank. The hydraulic screen cover plate 11 is fixedly arranged on one side of the front surface of the adjustable inclination screen frame 3 through a hinge.

During the concrete implementation, sewage gets into adjustable inclination screen frame 3 upper end through hydraulic screen water inlet 14, adjusts rotatable breakwater 2, guarantees that the momentum of intaking evenly flows to screen cloth panel 31 along the breakwater face, and partial filth in the sewage is held back by screen cloth panel 31. The electric control device 7 is set to intermittently and automatically start the reciprocating driving device 4 and open the cleaning component 5 to feed water, the reciprocating circulation works, the dirt on the screen panel 31 is cleaned through the fan-shaped nozzle 53, the dirt is guaranteed to be brought into the slag discharging conveying device 8 along the slag discharging hole, and meanwhile, the sewage is secondarily filtered through the perforated filter plate 12 to meet the treatment requirement of the subsequent process.

The utility model discloses a but set up cleaning assembly self-cleaning screen frame of automatic operation, avoid the screen panel to block.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention.

Claims (10)

1. A hydraulic screen comprising: the hydraulic screen comprises a hydraulic screen body, a water baffle, a screen frame, a support frame and a slag-out conveying device; the hydraulic screen body is fixed on the support frame; the hydraulic screen body is provided with a water inlet, a water outlet and a slag outlet, and the slag conveying device is arranged in front of the slag outlet; the screen frame is obliquely arranged on the hydraulic screen body; the water baffle is arranged on the hydraulic screen body and is positioned at the upper end of the screen frame; the screen frame is characterized by further comprising a cleaning assembly and a control device, wherein the cleaning assembly is arranged on one side of the back face of the screen frame, and the control assembly is connected with the cleaning assembly to control the operation of the cleaning assembly.

2. The hydroscreen of claim 1, wherein: the cleaning assembly is movably arranged on one side of the back face of the screen frame, the reciprocating driving device is connected with the cleaning assembly to drive the cleaning assembly to do reciprocating movement, and the control device is connected with the reciprocating driving device to control the cleaning assembly to run.

3. The hydroscreen of claim 2, wherein: the cleaning assembly comprises a high-pressure water inlet pipe, a connecting pipe, a walking pipeline, a fan-shaped nozzle and a sliding rail; the slide rail sets up in hydraulic screen body both sides, and walking pipeline slidable connects the slide rail in order to slide on the slide rail, and reciprocating motion is done with its drive to the walking pipeline in reciprocating motion to reciprocating motion drive arrangement connection walking pipeline, and fan-shaped nozzle is located on the walking pipeline, and the high pressure inlet tube is connected to the walking pipeline through the connecting pipe.

4. A hydraulic screen as defined in claim 3, wherein: and pulleys matched with the sliding rails are arranged on two sides of the walking pipeline.

5. The hydroscreen of claim 4, wherein: the reciprocating driving device comprises a cylinder and a cylinder cover plate, the cylinder and the cylinder cover plate are arranged on the outer side of the side plate of the hydraulic screen body, and the cylinder is connected with the pulley to drive the pulley to reciprocate.

6. The hydroscreen of any one of claims 1-5, wherein: the screen frame comprises a screen panel and two fixed inclined plates; the two fixed inclined plates are fixed on two sides of the hydraulic screen body through bolts, and the screen panel is positioned between the two fixed inclined plates; the fixed sloping plate is provided with an adjusting elongated slot matched with the bolt.

7. The hydroscreen of claim 6, wherein: the fixed upper end of the fixed inclined plate is fixed on the hydraulic screen body through a fixing piece, and when the fixing piece is loosened, the fixed inclined plate can rotate by taking the fixing piece as a rotating shaft.

8. The hydroscreen of claim 6, wherein: the water baffle is rotatably arranged on the hydraulic screen body.

9. The hydroscreen of claim 6, wherein: and a filter plate is arranged above the water outlet.

10. The hydroscreen of claim 6, wherein: a water distribution plate is arranged above the water inlet.

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