Grit chamber with anti-blocking function

Abstract

The utility model discloses a grit chamber with an anti-blocking function, which comprises a sedimentation tank body, a sludge pump is mounted in the sedimentation tank body, an anti-blocking device is detachably connected to the left lower side of the sludge pump, a dredging device is fixedly connected to the right side of the sludge pump, and a drainage pipeline is arranged on the sedimentation tank body on the left side of the anti-blocking device. The sludge pump has the advantages that sand is discharged instantly, the blocking risk is reduced, inorganic sand can be effectively intercepted by arranging the anti-blocking device on the lower left side of the sludge pump and combining the stainless steel filter screen on the anti-blocking device, it is guaranteed that large-particle matter does not enter the sludge pump, inorganic sand is discharged instantly, and the probability of occurrence of blocking of the sludge pump is remarkably reduced; the device comprises an air distribution disc and a hose system connected with the air distribution disc, and is matched with an air inlet main joint, so that water flow power can be increased by introducing air flow, loosening and suspension of sediments in a grit chamber are promoted, the sand discharging process is further assisted, and the effect of actively maintaining the smoothness of a pipeline is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of grit chambers, and particularly relates to a grit chamber with an anti-blocking function. Background Technique

[0002] After long-term operation, a large amount of inorganic sand will be deposited in the sand collection tank of the aerated grit chamber. Most of the existing sand removal methods use a truss bridge type sand suction pump (submersible sewage pump or self-priming pump) to remove sand.

[0003] For example, Chinese Utility Model Publication No. CN208927668U discloses an anti-blocking aerated grit chamber, which includes an aerated grit chamber body, a submersible pump arranged at the end of the aerated grit chamber, and a hydraulic flushing pipeline arranged along the sand collection tank of the aerated grit chamber.

[0004] Although the above patent can realize the flushing of inorganic sand, it cannot discharge it immediately, and there is still a possibility of blocking the sludge pump after entering it. Therefore, we propose a grit chamber with an anti-blocking function. Content of the Utility Model

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a grit chamber with an anti-blocking function. Through the anti-blocking device and the dredging device of the grit chamber with an anti-blocking function, the grit chamber with an anti-blocking function can immediately discharge inorganic sand and prevent the sludge pump from being blocked.

[0006] The utility model is realized as follows. A grit chamber with an anti-blocking function includes a sedimentation tank body. A sludge pump is installed inside the sedimentation tank body. An anti-blocking device is detachably connected to the lower left side of the sludge pump. A dredging device is fixedly connected to the right side of the sludge pump. A drainage pipeline is opened on the sedimentation tank body on the left side of the anti-blocking device. A cover plate is arranged on the upper part of the sedimentation tank body. Through holes for the sludge pump and the dredging device to pass through are opened on the cover plate. An inlet pipeline is installed on the upper right part of the sedimentation tank body. A swirl device is installed behind the sludge pump. An electric valve is installed on the inlet pipeline.

[0007] Optionally, a adapter is welded to the lower left side of the sludge pump. An installation frame is welded to one side of the adapter. A plurality of installation holes are opened on the installation frame.

[0008] Optionally, the anti-blocking device includes an outer frame. The outer frame is connected to the installation frame by bolts. A stainless steel filter screen is welded to the installation frame.

[0009] Optionally, the dredging device includes an air distribution plate. The left end of the air distribution plate is welded to the adapter and communicated with it. A check valve is arranged inside the air distribution plate.

[0010] Optionally, several hoses are connected to the right end of the air distribution plate, and an air inlet header is fixedly connected to the upper part of the hoses.

[0011] Optionally, several pipe clamps are fixedly connected to the right side of the sludge pump, and the pipe clamps are sleeved on the outer side of the hoses.

[0012] Optionally, the swirl device includes a motor, the output shaft of the motor is connected to a main shaft through a coupling, and stirring blades are welded on the outer side of the main shaft.

[0013] Optionally, several transverse stirring rods are welded to the lower part of the main shaft, and several longitudinal stirring rods are welded to the lower part of the transverse stirring rods.

[0014] Optionally, the lower end of the main shaft is connected to a stable seat through a waterproof bearing, and the stable seat is fixedly connected to the bottom of the sedimentation tank body.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. Immediate sand discharge, reducing the risk of blockage: By arranging an anti-blocking device on the lower left side of the sludge pump and combining it with the stainless steel filter screen on the anti-blocking device, inorganic sand grains can be effectively intercepted, ensuring that large particulate matter does not enter the sludge pump, realizing the immediate discharge of inorganic sand, and significantly reducing the occurrence probability of sludge pump blockage.

[0017] 2. Active dredging and maintenance: An additional dredging device is provided, including an air distribution plate and its connected hose system, which, in cooperation with the air inlet header, can increase the water flow power by introducing air flow, promote the loosening and suspension of sediments in the grit chamber, further assist the sand discharge process, and achieve the effect of actively maintaining the pipeline unobstructed.

[0018] 3. Optimized structure, facilitating maintenance and management: The adapter and installation frame structure in the design, as well as the detachable anti-blocking device, provide convenience for daily inspection and cleaning, reducing the maintenance difficulty and time cost.

[0019] Through the following detailed description of the exemplary embodiments of the present utility model with reference to the accompanying drawings, other features and advantages of the present utility model will become clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the structural schematic diagram provided by the present utility model.

[0021] Figure 2 is the schematic diagram of the anti-blocking device provided by the present utility model.

[0022] Figure 3 is the schematic diagram of the dredging device provided by the present utility model.

[0023] Figure 4It is a schematic diagram of the swirl device provided by the present utility model.

[0024] In the figure: 1 is the sedimentation tank body; 2 is the cover plate; 3 is the water inlet pipe; 4 is the electric valve; 5 is the drainage pipe; 6 is the dredging device; 61 is the air distribution plate; 62 is the hose; 63 is the main air inlet joint; 7 is the sludge pump; 71 is the installation frame; 72 is the adapter; 73 is the pipe clamp; 8 is the swirl device; 81 is the motor; 82 is the main shaft; 83 is the horizontal stirring rod; 84 is the vertical stirring rod; 85 is the stirring blade; 86 is the stable seat; 9 is the anti-blocking device; 91 is the outer frame; 92 is the stainless steel filter screen. Detailed implementation manners

[0025] In order to further understand the content, features and effects of the present utility model, the following embodiments are given and described in detail with reference to the accompanying drawings.

[0026] As Figures 1 to 4 shown, a grit chamber with an anti-blocking function provided by an embodiment of the present utility model includes a sedimentation tank body 1. A sludge pump 7 is installed inside the sedimentation tank body 1. An anti-blocking device 9 is detachably connected to the lower left side of the sludge pump 7. A dredging device 6 is fixedly connected to the right side of the sludge pump 7. A drainage pipe 5 is provided on the sedimentation tank body 1 on the left side of the anti-blocking device 9. A cover plate 2 is arranged on the upper part of the sedimentation tank body 1. A through hole for the sludge pump 7 and the dredging device 6 to pass through is provided on the cover plate 2. A water inlet pipe 3 is installed on the upper right part of the sedimentation tank body 1. A swirl device 8 is installed behind the sludge pump 7. An electric valve 4 is installed on the water inlet pipe 3.

[0027] An adapter 72 is welded to the lower left side of the sludge pump 7. An installation frame 71 is welded to one side of the adapter 72. A plurality of installation holes are provided on the installation frame 71 for connecting bolts.

[0028] The anti-blocking device 9 includes an outer frame 91. The outer frame 91 is connected to the installation frame 71 by bolts. A stainless steel filter screen 92 is welded on the installation frame 71 to play a role in anti-blocking.

[0029] The dredging device 6 includes an air distribution plate 61. The left end of the air distribution plate 61 is welded to and communicated with the adapter 72. The air distribution plate 61 is used to connect a plurality of hoses 62. A one-way valve is provided inside the air distribution plate 61, so that air can pass from right to left, while sludge cannot flow towards the air distribution plate 61.

[0030] A plurality of hoses 62 are connected to the right end of the air distribution plate 61. The upper part of the hose 62 is fixedly connected with a main air inlet joint 63 for connecting compressed air.

[0031] A plurality of pipe clamps 73 are fixedly connected to the right side of the sludge pump 7. The pipe clamps 73 are sleeved on the outer side of the hose 62 to play a role in fixing the hose 62.

[0032] The swirling device 8 includes a motor 81. The output shaft of the motor 81 is connected to a main shaft 82 through a coupling. Stirring blades 85 are welded to the outside of the main shaft 82, which serves to generate a swirl.

[0033] A number of transverse stirring rods 83 are welded to the lower part of the main shaft 82, and a number of longitudinal stirring rods 84 are welded to the lower part of the transverse stirring rods 83, which can stir the quartz sand and sludge.

[0034] The lower end of the main shaft 82 is connected to a stabilizing seat 86 through a waterproof bearing. The stabilizing seat 86 is fixedly connected to the bottom of the sedimentation tank body 1, which serves as a support.

[0035] This sand sedimentation tank with an anti-blocking function includes a sedimentation tank body 1, inside which a sludge pump 7 for pumping out the sedimented sand is installed. The upper part of the sludge pump 7 penetrates and is fixedly installed on the cover plate 2. When pumping sand, in order to prevent it from being blocked, an anti-blocking device 9 is installed on the lower left side of the sludge pump 7. The anti-blocking device 9 includes an outer frame 91, and a stainless-steel filter net 92 is welded to the installation frame 71, which can prevent sand with larger particles from passing through;

[0036] When dredging is needed, the dredging device 6 can be started. The dredging device 6 includes an air distribution plate 61. The left end of the air distribution plate 61 is welded and communicated with an adapter 72. A one-way valve is provided inside the air distribution plate 61, so that air can pass from right to left, while the sludge cannot flow towards the air distribution plate 61. The right end of the air distribution plate 61 is connected to a number of hoses 62. The upper part of the hose 62 is fixedly connected to an air inlet header 63. An air compressor is connected to the air inlet header 63, and high-pressure air can be introduced, which serves to wash the stainless-steel filter net 92 and the adapter 72, and can immediately flush the inorganic sand into the drainage pipe 5 for discharge;

[0037] The swirling device 8 includes a motor 81. The motor 81 can drive the stirring blades 85 to generate a swirl. When the transverse stirring rods 83 and the longitudinal stirring rods 84 rotate, they can prevent the sludge from caking due to the combination of quartz sand and sludge.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grit chamber with anti-clogging function, comprising a grit chamber body (1), characterized in that: A sludge pump (7) is installed inside the sedimentation tank body (1), and an anti-blocking device (9) is detachably connected to the lower left side of the sludge pump (7). A dredging device (6) is fixedly connected to the right side of the sludge pump (7). A drainage pipe (5) is provided on the sedimentation tank body (1) on the left side of the anti-blocking device (9). A cover plate (2) is provided on the upper part of the sedimentation tank body (1), and a through hole for the sludge pump (7) and the dredging device (6) to pass through is provided on the cover plate (2). A water inlet pipe (3) is installed on the upper right part of the sedimentation tank body (1), and a cyclone device (8) is installed on the rear side of the sludge pump (7). An electric valve (4) is installed on the water inlet pipe (3).

2. A grit chamber with anti-clogging function according to claim 1, characterized in that: An adapter (72) is welded to the lower left side of the sludge pump (7), a mounting frame (71) is welded to one side of the adapter (72), and a plurality of mounting holes are provided on the mounting frame (71).

3. A grit chamber with anti-clogging function according to claim 2, characterized in that: The anti-blocking device (9) comprises an outer frame (91), the outer frame (91) being connected to a mounting frame (71) via bolts, and a stainless steel filter screen (92) being welded to the mounting frame (71).

4. A grit chamber with anti-clogging function according to claim 2, characterized in that: The dredging device (6) comprises an air distribution plate (61), the left end of the air distribution plate (61) is welded to and communicated with an adapter (72), and a one-way valve is provided inside the air distribution plate (61).

5. A grit chamber with anti-clogging function according to claim 4, characterized in that: The right end of the air distribution plate (61) is connected to a plurality of hoses (62), and the upper portion of the hoses (62) is fixedly connected to an air intake main connector (63).

6. A grit chamber with anti-clogging function according to claim 4, characterized in that: A plurality of pipe clamps (73) are fixedly connected to the right side of the sludge pump (7), and the pipe clamps (73) are sleeved on the outside of the hose (62).

7. The grit chamber with anti-clogging function according to claim 1, characterized in that: The cyclone device (8) comprises a motor (81), the output shaft of the motor (81) being connected to a main shaft (82) via a coupling, and a stirring blade (85) being welded to the outer side of the main shaft (82).

8. The grit chamber with anti-clogging function according to claim 7, characterized in that: A plurality of transverse stirring rods (83) are welded to the lower portion of the main shaft (82), and a plurality of longitudinal stirring rods (84) are welded to the lower portion of the transverse stirring rods (83).

9. The grit chamber with anti-clogging function according to claim 7, characterized in that: The lower end of the main shaft (82) is connected to a stabilizing seat (86) via a waterproof bearing, and the stabilizing seat (86) is fixedly connected to the bottom of the sedimentation tank body (1).

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