Automatic blowdown device of pump room centrifugal filter

Abstract

The utility model discloses an automatic blowdown device for a pump room centrifugal filter, which relates to the field of blowdown of centrifugal filters and comprises a separation filter, an inlet arranged along the tangent line of an inner cavity of the separation filter is fixedly mounted at the top of the periphery of the separation filter, and a water outlet is fixedly mounted at the top of a top plate of the separation filter. The output end of the separation filter is connected with a sand tank, one end of the sand tank is provided with a pollution discharge mechanism which penetrates through an inner cavity of the sand tank and extends to the other end of the sand tank, and one end of the sand tank is provided with a valve plate mechanism for blocking or removing blocking of an output port of the pollution discharge mechanism. By arranging the sand tank with the inner conical surface and the spiral conveying rod of which the outer wall is matched with the inner wall of the sand tank, a better sand discharging effect can be realized.

Description

Technical Field

[0001] This utility model relates to the field of centrifugal filter sewage discharge, specifically an automatic sewage discharge device for a pump room centrifugal filter. Background Technology

[0002] Pump rooms are typically equipped with electrical control cabinets and centrifugal filters. A centrifugal filter is a filtration device that uses the centrifugal force generated when water rotates to separate sand and gravel from the water.

[0003] Existing centrifugal filters are generally equipped with a sand tank at the bottom to collect sand and gravel. During use, the sand tank needs to be manually cleaned regularly. This method is not thorough enough and residues are easily left behind. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic sewage discharge device for a pump room centrifugal filter in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic sewage discharge device for a pump room centrifugal filter, comprising a separation filter, an inlet fixedly installed on the top of the outer periphery of the separation filter along the tangent of the inner cavity of the separation filter, a drain outlet fixedly installed on the top plate of the separation filter, a sand tank connected to the output end of the separation filter, a sewage discharge mechanism installed at one end of the sand tank penetrating the inner cavity of the sand tank and extending to the other end of the sand tank, and a valve plate mechanism for blocking or unblocking the output port of the sewage discharge mechanism at one end of the sand tank.

[0006] As a further embodiment of this utility model: the sewage discharge mechanism includes a rotary motor fixedly installed at one end of the sand tank, the output shaft of the rotary motor passing through the inner cavity of the sand tank, and a spiral conveying rod fixedly installed through a coupling;

[0007] The sewage discharge mechanism also includes a sand discharge port that is fixedly installed below the other end of the sand tank.

[0008] As a further embodiment of this utility model: the lower half of the inner wall of the sand tank has a conical structure, the end of the conical surface of the inner wall of the sand tank near the rotary motor is narrow, the end of the conical surface of the inner wall of the sand tank near the sand discharge port is wide, and the outer wall of the spiral part of the spiral conveying rod matches the conical surface of the inner wall of the sand tank.

[0009] As a further improvement of this utility model: the bottom surface of the inner wall of the sand discharge port is arc-shaped, and the center of the arc of the bottom surface of the sand discharge port coincides with the center of the sand tank.

[0010] As a further embodiment of this utility model: the valve plate mechanism includes a fixed frame installed on the end of the sand tank away from the rotary motor, a connecting shaft is rotatably installed on the inner wall of the fixed frame, a handle is fixedly connected to the top of the connecting shaft, and a screw is coaxially fixedly connected to the bottom end of the connecting shaft.

[0011] As a further embodiment of this utility model: the valve plate mechanism further includes a threaded sleeve threaded to the outer periphery of the screw, the bottom end of the threaded sleeve is integrally formed with a valve plate inserted into the inner cavity of the sand discharge port, and the end face of the valve plate near the opening of the sand discharge port is integrally formed with an outwardly protruding limiting protrusion.

[0012] As a further improvement of this utility model, sealing elements are installed on the side and bottom surfaces of the valve plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By setting up a sand jar with an inner conical surface and a spiral conveyor rod whose outer wall matches the inner wall of the sand jar, a better sand discharge effect can be achieved. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0017] Figure 3 For the present utility model Figure 2 Enlarged view of a portion of point A in the middle.

[0018] In the diagram: 1. Separator filter; 2. Inlet; 3. Drain outlet; 4. Sand tank; 5. Rotary motor; 6. Screw conveyor; 7. Fixing frame; 8. Connecting shaft; 9. Handle; 10. Screw; 11. Screw sleeve; 12. Valve plate; 13. Sand discharge port; 14. Limiting protrusion. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-3In this embodiment of the present invention, an automatic sewage discharge device for a pump room centrifugal filter includes a separation filter 1. An inlet 2 is fixedly installed on the top of the outer periphery of the separation filter 1 along the tangent of the inner cavity of the separation filter 1. A drain outlet 3 is fixedly installed on the top of the top plate of the separation filter 1. A sand tank 4 is connected to the output end of the separation filter 1. A sewage discharge mechanism is installed at one end of the sand tank 4, penetrating the inner cavity of the sand tank 4 and extending to the other end of the sand tank 4. A valve plate mechanism is provided at one end of the sand tank 4 to block or unblock the output port of the sewage discharge mechanism.

[0021] In this embodiment: First, the water containing sand and gravel enters the separation filter 1 through the inlet 2. At this time, the water moves downward along the inner wall of the separation filter 1 in a spiral shape. During the spiral downward movement, the water generates centrifugal force. Under this centrifugal force, due to the high density of the sand and gravel, the sand and gravel are located on the outside, while the water, under the combined influence of pressure difference and centrifugal force, will flow upward along a specific channel and be discharged out through the drain outlet 3, thus achieving the centrifugal separation effect. Afterward, the sand and gravel enter the sand tank 4 under gravity.

[0022] Before centrifugal separation, the valve mechanism is closed by rotating. After centrifugal separation, the valve mechanism is opened and the sewage discharge mechanism is started. The sewage discharge mechanism discharges the centrifuged sand and gravel outward.

[0023] Please refer to this carefully. Figure 1 and Figure 2 The sewage discharge mechanism includes a rotary motor 5 fixedly installed at one end of the sand tank 4. The output shaft of the rotary motor 5 passes through the inner cavity of the sand tank 4 and is fixedly installed with a spiral conveying rod 6 via a coupling. The sewage discharge mechanism also includes a sand discharge port 13 fixedly installed at the lower part of the other end of the sand tank 4. The lower half of the inner wall of the sand tank 4 has a conical structure. The conical surface of the inner wall of the sand tank 4 is narrow at the end near the rotary motor 5 and wide at the end near the sand discharge port 13. The outer wall of the spiral part of the spiral conveying rod 6 matches the conical surface of the inner wall of the sand tank 4. The bottom end face of the inner wall of the sand discharge port 13 is arc-shaped, and the center of the arc of the bottom end face of the sand discharge port 13 coincides with the center of the sand tank 4.

[0024] In this embodiment: by starting the rotary motor 5, the rotary motor 5 drives the spiral conveyor rod 6 connected to its output end to rotate. During the rotation of the spiral conveyor rod 6, its outer spiral part can push the sand and gravel entering the sand tank 4 outward and transport it to the outside through the sand discharge port 13. The conical surface and the spiral part that matches the conical surface can prevent the sand and gravel from remaining in the sand tank 4.

[0025] Please refer to this carefully. Figure 2 and Figure 3The valve plate mechanism includes a fixed frame 7 installed on the end of the sand tank 4 away from the rotating motor 5. A connecting shaft 8 is rotatably installed on the inner wall of the fixed frame 7. A handle 9 is fixedly connected to the top of the connecting shaft 8. A screw 10 is coaxially fixedly connected to the bottom end of the connecting shaft 8. The valve plate mechanism also includes a threaded sleeve 11 threaded to the outer periphery of the screw 10. A valve plate 12 is integrally formed at the bottom end of the threaded sleeve 11 and inserted into the inner cavity of the sand discharge port 13. A limiting protrusion 14 is integrally formed on the end face of the valve plate 12 near the opening of the sand discharge port 13.

[0026] In this embodiment: When opening or closing the valve plate mechanism, the handle 9 is turned by hand, which drives the connecting shaft 8 to rotate. The rotating connecting shaft 8 drives the connected screw 10 to rotate. At this time, the screw sleeve 11 moves up and down in the vertical direction under the guidance of the internal thread. The moving screw sleeve 11 can drive the valve plate 12 to move up or down. The downward moving valve plate 12 can close the sand discharge port 13, and the upward moving valve plate 12 can release the closure of the sand discharge port 13. When the valve plate 12 moves upward, the limiting protrusion 14 can prevent the valve plate 12 from completely separating from the sand discharge port 13.

[0027] Please refer to this carefully. Figure 3 Seals are installed on the side and bottom surfaces of the valve plate 12.

[0028] In this embodiment, the design of the seal element, when the valve plate 12 is in the closed state, allows the seal element to deform under pressure, which can further improve the sealing performance of the valve plate 12 when closed. The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the protection scope of this utility model.

Claims

1. A pump house centrifugal filter automatic blowdown device, comprising a separation filter (1), characterized in that, The outer peripheral top of the separation filter (1) is fixedly provided with an inlet (2) arranged along the tangent line of the inner cavity of the separation filter (1), the top of the top plate of the separation filter (1) is fixedly provided with a water outlet (3), the output end of the separation filter (1) is connected with a sand tank (4), one end of the sand tank (4) is provided with a blowdown mechanism penetrating the inner cavity of the sand tank (4) and extending to the other end of the sand tank (4), and the other end of the sand tank (4) is provided with a valve plate mechanism for blocking or unblocking the outlet of the blowdown mechanism.

2. The automatic blowdown device for a pump house centrifugal filter according to claim 1, characterized in that, The blowdown mechanism comprises a rotary motor (5) fixedly installed at one end of the sand tank (4), the output shaft of the rotary motor (5) penetrates the inner cavity of the sand tank (4) and is fixedly provided with a spiral conveying rod (6) through a shaft coupling. The blowdown mechanism further comprises a sand outlet (13) fixedly installed below the other end of the sand tank (4).

3. The automatic blowdown device for a pump house centrifugal filter according to claim 2, characterized in that, The lower half of the inner wall of the sand tank (4) is in a conical surface structure, the conical surface of the inner wall of the sand tank (4) is narrow at one end close to the rotary motor (5), and the conical surface of the inner wall of the sand tank (4) is wide at one end close to the sand outlet (13), and the outer wall of the spiral part of the spiral conveying rod (6) is matched with the conical surface of the inner wall of the sand tank (4).

4. The automatic blowdown device for a pump house centrifugal filter according to claim 3, characterized in that, The inner wall bottom end surface of the sand outlet (13) is arc-shaped, and the center of the arc-shaped bottom end surface of the sand outlet (13) is coincided with the center of the sand tank (4).

5. The automatic blowdown device for a pump house centrifugal filter according to claim 4, characterized in that, The valve plate mechanism comprises a fixed frame (7) installed at the end of the sand tank (4) away from the rotary motor (5), the inner wall of the fixed frame (7) is rotatably provided with a connecting shaft (8), the top of the connecting shaft (8) is fixedly connected with a handle (9), and the bottom end of the connecting shaft (8) is coaxially fixedly connected with a screw rod (10).

6. The automatic blowdown device for a pump house centrifugal filter according to claim 5, characterized in that, The valve plate mechanism further comprises a screw sleeve (11) threadedly connected to the outer periphery of the screw rod (10), the bottom end of the screw sleeve (11) is integrally formed with a valve plate (12) inserted into the inner cavity of the sand outlet (13), and the end face of the valve plate (12) close to the opening of the sand outlet (13) is integrally formed with a limiting protruding block (14) outwardly protruding.

7. The automatic blowdown device for a pump house centrifugal filter according to claim 6, characterized in that, The valve plate (12) is provided with a sealing element on the side surface and the bottom surface.

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