Efficient shallow grit chamber

Abstract

The utility model relates to the technical field of grit chambers, in particular to a high-efficiency shallow grit chamber, which comprises a grit chamber, the bottom ends of two ends of the grit chamber are respectively connected with a water inlet pipe and a water outlet pipe, one end in the grit chamber is provided with a rotary filtering mechanism, and the other end in the grit chamber is provided with a multiple filtering mechanism. The sewage treatment device has the beneficial effects that sand impurities in sewage are filtered, so that the impact strength and the flowing speed of the sewage in the grit chamber can be reduced, a multiple filtering mechanism behind can be protected, and sand in the sewage can be precipitated at the bottom end of the grit chamber; according to the grit chamber, sewage can be filtered for multiple times, the filtering effect of the sewage is improved, sand impurities adhering to and deposited at the bottom end of the grit chamber can be scraped and cleaned, and the grit chamber can be cleaned easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sand pool technical field especially relates to a kind of high-efficiency shallow sand pool. BACKGROUND

[0002] Industrial and municipal sewage municipal wastewater needs to be further pretreated after being filtered by fine grid, at this time, sand pool needs to be used, through the treatment of sand pool, sand in water can be effectively removed, to avoid the emergence of problems such as damaging equipment, blocking pipeline, affecting reactor volume.

[0003] In urban and town domestic sewage treatment, domestic and industrial wastewater treated by sand pool is helpful to reduce the load of sedimentation tank, so that subsequent biochemical treatment unit can be operated in a stable and efficient manner, while relieving the wear of inorganic suspended solids in sludge on water pump and pipeline; in addition, this method can also promote the smooth progress of sludge energy resource utilization.

[0004] Therefore, a kind of high-efficiency shallow sand pool is proposed to filter and treat sand in wastewater.

[0005] The existing high-efficiency shallow sand pool, wastewater enters sand pool, the impact degree of water flow and flow speed is fast, both impact damage the filter structure inside sand pool, also affect the sedimentation of sand in wastewater, unable to reduce the impact and flow speed of wastewater entering sand pool, and in the sand pool, the filtration treatment of wastewater is relatively single, unable to multiple filtration and accept sedimentation sand of wastewater, inconvenient for subsequent cleaning sedimentation sand in sand pool. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in prior art that the impact degree of water flow and flow speed is fast, both impact damage the filter structure inside sand pool, also affect the sedimentation of sand in wastewater, unable to reduce the impact and flow speed of wastewater entering sand pool, and proposes a kind of high-efficiency shallow sand pool.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model designs a kind of high-efficiency shallow grit chamber, including grit chamber, the bottom end of the two ends of the grit chamber is connected with inlet pipe and outlet pipe respectively, the inside one end of the grit chamber is equipped with rotary filtering mechanism, the inside other end of the grit chamber is equipped with multiple filtering mechanism;The rotary filtering mechanism includes rotary column, first filter plate and drive mechanism, the surface of the rotary column is uniformly fixed with first clamping plate, the middle of the first clamping plate is opened with first insertion slot, the first filter plate is slidably inserted into the first insertion slot, the outer corner of the first filter plate is opened with first connecting hole, the outer end of the first clamping plate is opened with second connecting hole, the inside of the second connecting hole and the first connecting hole is penetrated with connecting rod, the both ends of the connecting rod and the position of the outer end of the second connecting hole are connected with nut, the surface of the first filter plate is opened with first filter hole, the outer end of the first filter plate is fixed with receiving strip, the surface of the receiving strip is opened with third filter hole, the drive mechanism is installed in one end of the rotary column;The multiple filtering mechanism includes second filter plate, the second filter plate is obliquely installed in the inside of the grit chamber, and the surface thereof is opened with second filter hole.

[0009] Further, the drive mechanism includes drive motor, drive plate, limit plate and rotary plate, the both ends of the rotary column are rotatably penetrated through the both sides of the top end of the grit chamber, the limit plate is fixed at the both ends of the rotary column and is slidably installed on the outside of the grit chamber, the outer end edge of one limit plate is fixed with first hinged column, the side edge of the rotary plate is fixed with second hinged column, the both ends of the drive plate are hingedly connected with the first hinged column and the second hinged column respectively, the middle of the rotary plate is fixedly connected with the output end of the drive motor, and the bottom end of the drive motor is fixedly installed with support frame.

[0010] Further, the both ends of the second filter plate are slidably installed with second clamping plate, the middle of the second clamping plate is opened with second insertion slot, and the both sides of the second filter plate are slidably inserted into the second insertion slot, the bottom end of the second clamping plate is fixed with backing plate, the backing plate is slidably installed on the inside bottom end of the grit chamber, and the bottom end middle of the second clamping plate is fixed with support column between the backing plate.

[0011] Further, the grit chamber is of rectangular structure, and the top end of the side is opened with sliding groove, the top end middle of the sliding groove is opened with inlet and outlet groove, the middle of the side of the second clamping plate is fixed with sliding rod, the sliding rod is slidably inserted into the sliding groove, and the backing plate is close to the outlet pipe.

[0012] Further, the first filter plate is close to the inlet pipe, the rotary column is horizontally arranged, the first clamping plate is of U-shaped structure, and the first filter plate is of rectangular plate structure.

[0013] Further, the connecting rod is a threaded rod structure, and is detachably and tightly connected between the first clamping plate and the first filter plate through the nut, and the receiving strip is an arc structure and is horizontally arranged.

[0014] Further, the limiting plate is a circular plate structure and is vertically arranged and horizontally aligned with the rotating plate, the first and second hinge columns are horizontally arranged, the driving plate is a rectangular plate structure and is located between the rotating plate and the limiting plate, and the driving motor is horizontally arranged, and the support frame is horizontally fixed outside the sand pool.

[0015] Further, the second clamping plate is a U-shaped structure and is arranged to be inclined to the water outlet pipe, the backing plate is a rectangular plate structure and both ends thereof are inclined structures, the supporting column is vertically arranged, the sliding groove is a long strip-shaped groove structure and is horizontally arranged, and the inlet and outlet groove is vertically arranged, the sliding rod is a rectangular rod structure and is horizontally arranged and has a width smaller than that of the inlet and outlet groove.

[0016] The high-efficiency shallow sand pool has the advantages that:

[0017] 1. The rotating filter mechanism is rotatably arranged inside the sand pool and close to the water inlet pipe, so that, during the process that the sewage enters the sand pool, the driving motor drives the rotating column to rotate against the direction of the water flow through the rotating plate, the driving plate and the limiting plate, so that the first filter plate and the receiving strip are driven to rotate against the direction of the water flow through the first clamping plate, and the sand and sundries in the sewage are filtered, meanwhile, the rotating filter mechanism can reduce the impact degree and the flow speed of the sewage in the sand pool, which is beneficial to protect the multiple filter mechanisms at the rear and beneficial to the sand in the sewage to deposit at the bottom end of the sand pool.

[0018] 2. The multiple filter mechanisms are slidably arranged inside the sand pool and at the rear of the rotating filter mechanism, so that, after the sewage is filtered by the rotating filter mechanism and the flow speed is reduced, the multiple second filter plates are detachably arranged through the second clamping plate, the sewage can be filtered by multiple times, the second filter plates with different diameters of second filter holes can be arranged, the filtering effect of the sewage is improved, the sand filtered out by the second filter plates can roll to the top end of the backing plate and be collected, meanwhile, the backing plate and the second filter plates can be pushed and pulled to move back and forth in the sand pool through the sliding rod along the sliding groove, so that the sand and sundries adhered and deposited at the bottom end of the sand pool can be scraped and cleaned, which is beneficial to clean the sand pool, and the backing plate is detachably and tightly connected between the sliding rod and the inlet and outlet groove and the sand pool, which is convenient for subsequent cleaning and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model.

[0020] Figure 2 The utility model discloses Figure 1 Multiple filtering mechanism and rotating filtering mechanism schematic view of the utility model discloses

[0021] Figure 3 The utility model discloses Figure 2 A place enlarged view of the utility model discloses

[0022] Figure 4 The utility model discloses Figure 1 First filter plate and partial schematic view of the utility model discloses

[0023] Figure 5 The utility model discloses Figure 1 Rotary column and drive mechanism schematic view of the utility model discloses

[0024] Figure 6 The utility model discloses Figure 1 Pad and partial schematic view of second clamping plate of the utility model discloses

[0025] In the drawing: 1, sand trap, 2, water inlet pipe, 3, first filter plate, 4, bearing strip, 5, limit plate, 6, drive plate, 7, support frame, 8, drive motor, 9, rotating plate, 10, sliding groove, 11, sliding rod, 12, inlet and outlet groove, 13, second clamping plate, 14, second filter plate, 15, second filter hole, 16, first clamping plate, 17, water outlet pipe, 18, pad, 19, support column, 20, second insertion slot, 21, rotary column, 22, first filter hole, 23, connecting rod, 24, nut, 25, third filter hole, 26, first insertion slot, 27, second connecting hole, 28, first connecting hole, 29, first hinged column, 30, second hinged column. Specific implementation

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Embodiment, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 , one kind of efficient shallow sand trap in the drawing, including sand trap 1, the both ends bottom end of sand trap 1 is connected with water inlet pipe 2 and water outlet pipe 17 respectively, the inside one end of sand trap 1 is installed with rotating filtering mechanism, and the inside other end of sand trap 1 is installed with multiple filtering mechanism.

[0028] In detail, the rotating filtering mechanism comprises a rotating column 21, a first filtering plate 3 and a driving mechanism, the surface of the rotating column 21 is uniformly fixed with a first clamping plate 16, the middle of the first clamping plate 16 is provided with a first inserting slot 26, the first filtering plate 3 is slidingly inserted into the first inserting slot 26, the outer corner of the first filtering plate 3 is provided with a first connecting hole 28, the outer end of the first clamping plate 16 is provided with a second connecting hole 27, the inside of the second connecting hole 27 and the first connecting hole 28 is penetrated by a connecting rod 23, the two ends of the connecting rod 23 and the position outside the second connecting hole 27 are connected with a nut 24, the surface of the first filtering plate 3 is provided with a first filtering hole 22, the outer end of the first filtering plate 3 is fixed with a receiving strip 4, the surface of the receiving strip 4 is provided with a third filtering hole 25, and the driving mechanism is installed at one end of the rotating column 21.

[0029] The first filtering plate 3 is close to the water inlet pipe 2, the rotating column 21 is horizontally arranged, the first clamping plate 16 is in U-shaped structure, and the first filtering plate 3 is in rectangular plate structure.

[0030] The connecting rod 23 is in threaded rod structure and cooperates with the nut 24 to detachably and tightly fasten and install the first clamping plate 16 and the first filtering plate 3, and the receiving strip 4 is in arc-shaped structure and is horizontally arranged.

[0031] The driving mechanism comprises a driving motor 8, a driving plate 6, a limiting plate 5 and a rotating plate 9, the two ends of the rotating column 21 are rotatably penetrated through the two side top ends of the sand pool 1, the limiting plate 5 is fixed at the two ends of the rotating column 21 and is slidingly installed outside the sand pool 1, the outer end edge of one limiting plate 5 is fixed with a first hinged column 29, the side edge of the rotating plate 9 is fixed with a second hinged column 30, the two ends of the driving plate 6 are hingedly and installedly connected between the first hinged column 29 and the second hinged column 30, the middle of the rotating plate 9 is fixedly and installedly connected with the output end of the driving motor 8, and the bottom end of the driving motor 8 is fixedly installed with a supporting frame 7.

[0032] Inside the sand pool 1 and close to the water inlet pipe 2, the rotating filtering mechanism is rotatably installed, therefore, in the process that the sewage enters the sand pool 1, the driving motor 8 drives the rotating column 21 to rotate against the direction of water flow through the rotating plate 9, the driving plate 6 and the limiting plate 5, so that the first filtering plate 3 and the receiving strip 4 are driven to rotate against the direction of water flow through the first clamping plate 16, and the sand and sundries in the sewage are filtered, at the same time, the rotating filtering mechanism can also reduce the impact degree and flow speed of the sewage in the sand pool 1, which is beneficial to protect the multiple filtering mechanisms behind and beneficial to the sand in the sewage to deposit at the bottom end of the sand pool 1.

[0033] The limiting plate 5 is a circular plate structure, vertically arranged and horizontally aligned with the rotating plate 9, the first and second hinge columns 29 and 30 are horizontally arranged, the driving plate 6 is a rectangular plate structure and located between the rotating plate 9 and the limiting plate 5, the driving motor 8 is horizontally arranged, and the support frame 7 is horizontally fixed outside the sand trap 1.

[0034] Further, the multiple filtering mechanism includes a second filtering plate 14 which is obliquely arranged inside the sand trap 1 and has second filtering holes 15 on its surface.

[0035] Second clamping plates 13 are slidingly arranged at both ends of the second filtering plate 14, second insertion grooves 20 are formed in the middle of the second clamping plates 13, the second filtering plate 14 is slidingly inserted into the second insertion grooves 20, a backing plate 18 is fixed to the bottom end of the second clamping plates 13 and slidingly arranged at the bottom end of the sand trap 1, and a support column 19 is fixed between the bottom end of the second clamping plates 13 and the backing plate 18.

[0036] The multiple filtering mechanism is slidingly arranged inside the sand trap 1 and behind the rotating filtering mechanism, so that after the sewage is filtered by the rotating filtering mechanism to remove sand particles and reduce flow rate, the second filtering plate 14 can be detachably arranged by the second clamping plate 13 to filter the sewage multiple times, and the second filtering plate 14 with different diameters of the second filtering holes 15 can be arranged to improve the filtering effect of the sewage, and the sand particles filtered by the second filtering plate 14 can roll to the top end of the backing plate 18 for collection.

[0037] The sand trap 1 is a rectangular structure, and a sliding groove 10 is formed at the top end of the side surface, a middle of the top end of the sliding groove 10 is provided with an inlet and outlet groove 12, a sliding rod 11 is fixed to the middle of the side surface of the second clamping plate 13, the sliding rod 11 is slidingly inserted into the sliding groove 10, and the backing plate 18 is close to the water outlet pipe 17.

[0038] The sliding rod 11 can push and pull the backing plate 18 and the second filtering plate 14 to move back and forth in the sand trap 1 along the sliding groove 10, so as to scrape and clean the sand particles and sundries adhered and deposited at the bottom end of the sand trap 1, which is beneficial to clean the sand trap 1, and the backing plate 18 is detachably connected between the sliding rod 11, the inlet and outlet groove 12 and the sand trap 1, which is convenient for subsequent cleaning and maintenance.

[0039] The second clamping plate 13 is a U-shaped structure and is arranged obliquely towards the water outlet pipe 17, the backing plate 18 is a rectangular plate structure and the two ends are slope structures, the supporting column 19 is vertically arranged, the sliding groove 10 is a long strip-shaped groove structure and is horizontally arranged, and the inlet and outlet groove 12 is vertically arranged, the sliding rod 11 is a rectangular rod structure and is horizontally arranged and the width is smaller than the width of the inlet and outlet groove 12.

[0040] The working mode is that the rotating filtering mechanism is rotatably arranged in the inside of the grit chamber 1 and close to the water inlet pipe 2, so that the driving motor 8 drives the rotating column 21 to rotate against the direction of water flow through the rotating plate 9, the driving plate 6 and the limiting plate 5, so that the first filtering plate 3 and the receiving strip 4 are driven to rotate against the direction of water flow through the first clamping plate 16, and the sand and sundries in the sewage are filtered, at the same time, the rotating filtering mechanism can reduce the impact degree and flow speed of the sewage in the inside of the grit chamber 1, which is beneficial to protect the multiple filtering mechanisms behind and beneficial to the sand in the sewage to deposit at the bottom end of the grit chamber 1.

[0041] The multiple filtering mechanisms are slidably arranged in the inside of the grit chamber 1 and behind the rotating filtering mechanism, so that after the sewage is filtered by the rotating filtering mechanism and the flow speed is reduced, the multiple second filtering plates 14 can be detachably arranged through the second clamping plate 13, the sewage can be filtered multiple times, the second filtering plates 14 with different diameters of the second filtering holes 15 can be arranged, the filtering effect of the sewage is improved, and the sand filtered out by the second filtering plates 14 can roll to the top end of the backing plate 18 and be received and collected.

[0042] At the same time, the backing plate 18 and the second filtering plates 14 can be pushed and pulled along the sliding groove 10 in the grit chamber 1 through the sliding rod 11, so that the sand and sundries adhered and deposited at the bottom end of the grit chamber 1 can be scraped and cleaned, which is beneficial to clean the grit chamber 1, and the backing plate 18 is detachably arranged and connected between the sliding rod 11 and the inlet and outlet groove 12 and the grit chamber 1, which is convenient for subsequent cleaning and maintenance.

[0043] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-efficiency shallow grit chamber, comprising a grit chamber (1), characterized in that: The bottom ends of the sedimentation tank (1) are respectively connected to the inlet pipe (2) and the outlet pipe (17). A rotary filter mechanism is installed at one end of the interior of the sedimentation tank (1), and a multi-filter mechanism is installed at the other end of the interior of the sedimentation tank (1). The rotary filter mechanism includes a rotating column (21), a first filter plate (3), and a drive mechanism. A first snap-fit ​​plate (16) is uniformly fixed on the surface of the rotating column (21). A first insertion groove (26) is opened in the middle of the first snap-fit ​​plate (16). The first filter plate (3) is slidably inserted into the first insertion groove (26). A first connecting hole (28) is opened at the corner of the outer end of the first filter plate (3). A second connecting hole (27) is opened at the outer end of the first snap-fit ​​plate (16). A connecting rod (23) passes through the interior of the second connecting hole (27) and the first connecting hole (28). Nuts (24) are connected to both ends of the connecting rod (23) at the position of the outer end of the second connecting hole (27). A first filter hole (22) is opened on the surface of the first filter plate (3). A receiving strip (4) is fixed at the outer end of the first filter plate (3). A third filter hole (25) is opened on the surface of the receiving strip (4). The drive mechanism is installed at one end of the rotating column (21). The multi-filtration mechanism includes a second filter plate (14), which is installed at an angle inside the sedimentation tank (1) and has a second filter hole (15) on its surface.

2. The high-efficiency shallow grit chamber according to claim 1, characterized in that: The driving mechanism includes a drive motor (8), a drive plate (6), a limiting plate (5), and a rotating plate (9). The two ends of the rotating column (21) rotate through the top of both sides of the sedimentation tank (1). The limiting plate (5) is fixed to the two ends of the rotating column (21) and slidably installed on the outside of the sedimentation tank (1). A first hinge column (29) is fixed to the outer edge of one of the limiting plates (5). A second hinge column (30) is fixed to the side edge of the rotating plate (9). The two ends of the drive plate (6) are hinged to the first hinge column (29) and the second hinge column (30) respectively. The middle of the rotating plate (9) is fixedly installed to the output end of the drive motor (8). A support frame (7) is fixedly installed at the bottom end of the drive motor (8).

3. The high-efficiency shallow grit chamber according to claim 1, characterized in that: The second filter plate (14) is slidably mounted with a second snap-fit ​​plate (13) at both ends. The second snap-fit ​​plate (13) has a second insertion groove (20) in the middle. The two sides of the second filter plate (14) are slidably inserted into the second insertion groove (20). The bottom end of the second snap-fit ​​plate (13) is fixed with a pad (18). The pad (18) is slidably mounted on the bottom end of the sedimentation tank (1). A support column (19) is fixed between the bottom end of the second snap-fit ​​plate (13) and the pad (18).

4. The high-efficiency shallow grit chamber according to claim 3, characterized in that: The sedimentation tank (1) has a rectangular structure and a sliding groove (10) is opened at the top of the side. An inlet / outlet groove (12) is opened in the middle of the top of the sliding groove (10). A sliding rod (11) is fixed in the middle of the side of the second snap-fit ​​plate (13). The sliding rod (11) is slidably inserted into the sliding groove (10). The pad (18) is close to the outlet pipe (17).

5. The high-efficiency shallow grit chamber according to claim 1, characterized in that: The first filter plate (3) is close to the water inlet pipe (2), the rotating column (21) is horizontally arranged, the first snap-fit ​​plate (16) is a U-shaped structure, and the first filter plate (3) is a rectangular plate structure.

6. The high-efficiency shallow grit chamber according to claim 1, characterized in that: The connecting rod (23) is a threaded rod structure, and works with the nut (24) to detachably fasten the connection between the first snap plate (16) and the first filter plate (3). The receiving strip (4) is an arc-shaped structure and is set horizontally.

7. The high-efficiency shallow grit chamber according to claim 2, characterized in that: The limiting plate (5) is a circular plate structure and is vertically arranged, and is horizontally aligned with the rotating plate (9). The first hinge column (29) and the second hinge column (30) are both horizontally arranged. The driving plate (6) is a rectangular plate structure and is located between the rotating plate (9) and the limiting plate (5). The driving motor (8) is horizontally arranged. The support frame (7) is horizontally fixed to the outside of the sedimentation tank (1).

8. The high-efficiency shallow grit chamber according to claim 4, characterized in that: The second snap-fit ​​plate (13) has a U-shaped structure and is inclined towards the outlet pipe (17). The pad (18) has a rectangular plate structure and both ends are sloping structures. The support column (19) is vertically arranged. The sliding groove (10) has a long strip groove structure and is horizontally arranged. The inlet and outlet groove (12) is vertically arranged. The sliding rod (11) has a rectangular rod structure and is horizontally arranged, and its width is less than the width of the inlet and outlet groove (12).

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