Component type internal water inlet fine grillage machine

Abstract

The utility model discloses an assembly type internal water inlet fine grillage machine, which relates to the technical field of sewage treatment and comprises a box body and a chain net, a water outlet is arranged at the bottom of the box body, the chain net is of a track structure formed by a plurality of filter screen plates, rotary driving chains are arranged on two sides of the chain net, and a sealing joint assembly is arranged between every two adjacent filter screen plates. Sealing guide rail assemblies used for rotating and driving the chain to steer are arranged on the two sides of the interior of the box body and located on the lower portion, so that a closed structure is formed between the lower portion of the chain net and the box body, a water inlet is formed in the position, corresponding to the interior of the chain net, of the side portion of the box body, a slag collecting groove of a funnel structure is further formed in the chain net, and chain net adjusting mechanism assemblies are arranged on the two sides of the exterior of the box body. A chain net driving mechanism assembly is arranged on the chain net adjusting mechanism assembly. The utility model has the advantages of compact structure, smaller volume, strong applicability, large filtering area, large handling capacity and no overflow while improving the filtering precision of the grating.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to a component-type internal water inlet fine screen machine. Background Art

[0002] The existing internal inlet grid is installed with a semi-submerged grid channel, with water entering from the inside and outgoing from both sides. The structure is large in size, and the processing capacity of a single unit is more than 10,000 tons / day. It is mostly used in medium and large sewage treatment plants. When applied and installed, a semi-submerged structure is adopted, which has high requirements for infrastructure, low applicability, and poor compatibility with integrated sewage treatment equipment.

[0003] The existing internal or external water inlet drum screen has a high filtration accuracy. However, it is limited by the drum filtration area and is mainly used for fine filtration of tail water or water volume. If the water volume is too large, overflow will occur, which will reduce the filtration effect. It has poor compatibility with water volume and cannot be used for slag filtration in the pretreatment stage of integrated sewage treatment equipment. In order to solve the compatibility problem, our company has designed and proposed a component-type internal water inlet fine screen machine. Utility Model Content

[0004] The purpose of the utility model is to solve the disadvantage of poor compatibility with integrated sewage treatment equipment in the prior art, and to propose a component-type internal water inlet fine screen machine. The component-type internal water inlet fine screen machine has a compact structure, a smaller volume, strong applicability and compatibility, and can improve the screen filtration accuracy while also having a large filtration area, a large processing capacity, and no overflow.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A component-type internal water inlet fine screen machine is designed, including a box body, a mounting flange is arranged on the circumference of the bottom of the box body, the bottom of the box body is an open drain port, and also includes a chain net, the chain net is arranged in the box body in a triangular structure, the chain net is composed of a plurality of filter screen plates to form a crawler structure, and a rotary drive chain is arranged on both sides of the chain net, and a sealing joint assembly is arranged between adjacent filter screen plates, and an anti-fishing tooth rake is fixedly arranged on the inner side of the chain net and on each filter screen plate, and a sealing guide rail assembly for the rotary drive chain to turn the lower part of the chain net is arranged on both sides of the inner side of the box body and at the bottom, so that the lower part of the chain net A closed structure is formed between the box body, and a water inlet is provided on the side of the box body corresponding to the interior of the chain net, and a slag collecting trough with a funnel structure is also provided inside the chain net, and the top opening of the slag collecting trough corresponds to the chain net, and a slag outlet is provided on one side of the bottom of the slag collecting trough, and the slag outlet extends to the outside of the box body, and symmetrical chain net adjustment mechanism assemblies that can be moved up and down are provided on both sides of the outside of the box body, and a chain net driving mechanism assembly for driving the chain net to rotate in the opposite direction is provided on the chain net adjustment mechanism assembly, and a flushing assembly for backwashing the filter screen plate is provided above the chain net, and the flushing assembly is located directly above the slag collecting trough.

[0007] Furthermore, the sealing joint assembly includes two correspondingly arranged sealing strips, which are fixedly arranged at the end of the filter screen plate, and the corresponding side cross section is a semicircular structure.

[0008] Furthermore, the sealing guide rail assembly includes an upper sealing guide rail and a lower sealing guide rail, and the rotary drive chain is slidably arranged between the upper sealing guide rail and the lower sealing guide rail.

[0009] Furthermore, the chain network adjustment mechanism assembly includes a lifting seat and a fixed seat. The lifting seat is fixedly arranged on both sides of the box body. The lifting seat is provided with a long waist hole for up and down adjustment. The fixed seat is fixedly arranged above the lifting seat. An adjusting bolt is provided between the lifting seat and the fixed seat.

[0010] Furthermore, the chain network drive mechanism assembly includes a drive motor, which is fixedly mounted on a lifting seat on one side, and a drive spindle is fixedly mounted on an output shaft of the drive motor. The drive spindle passes through the box body, and both ends are mounted on the lifting seats on both sides, and drive sprockets adapted to the rotary drive chain are fixedly mounted on both sides of the drive spindle.

[0011] Furthermore, the flushing assembly includes a flushing nozzle, and the flushing nozzle is fixedly arranged on the flushing pipe. Both sides of the box body are provided with a flushing adjustment mechanism assembly for lifting and lowering the flushing pipe.

[0012] Furthermore, the flushing adjustment mechanism assembly includes a flushing adjustment plate, which is fixedly arranged on both sides of the box body. The flushing adjustment plate is provided with a long waist hole for up and down adjustment, and both ends of the flushing pipe are fixed on the flushing adjustment plate.

[0013] Furthermore, a window is provided on one side of the box body corresponding to the interior of the chain network.

[0014] The utility model proposes a component-type internal water inlet fine screen machine, which has the beneficial effects of: the utility model adopts a box-type assembly structure, which is compact and smaller in size, can be used by one or more units, has strong adaptability, and can improve the screen filtering accuracy while also having a large filtering area, a large processing capacity, and no overflow.

[0015] (1) The utility model adopts a fully enclosed box structure to ensure that the odor in the sewage does not leak into the air. It is suitable for use in small and medium-sized sewage treatment plants. Multiple units can also be used in medium-sized sewage treatment plants at the same time. It has strong applicability and compatibility.

[0016] (2) The utility model adopts a box-type assembly structure, which is smaller in size and can be installed on the ground without any restrictions on installation conditions.

[0017] (3) The utility model adopts a crawler chain net, and the filter screen plates on the chain net are connected at the ends by a sealing joint assembly, so that the butt gap is kept unchanged at the turning part of the guide rail, thereby increasing the filtering accuracy of the grille.

[0018] (4) The utility model has a seal between the rotary drive chain and the sealing guide rail assembly of the box body, and is combined with a fully enclosed chain mesh plate structure, so that the filtration area is larger than that of the traditional cylindrical rotary screen, and there is no overflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a partial cross-sectional schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 4 It is a front partial cross-sectional schematic diagram of the utility model;

[0024] Figure 5 It is a schematic diagram of the docking structure of the filter screen plate in the utility model;

[0025] The markings in the figure are: 1. Box body; 11. Drain outlet; 12. Mounting flange; 13. Water inlet; 14. Slag outlet; 2. Chain net; 21. Filter screen plate; 210. Sealing strip; 22. Rotary drive chain; 23. Reverse scooping tooth rake; 24. Upper sealing guide rail; 25. Lower sealing guide rail; 3. Chain net drive mechanism assembly; 31. Drive motor; 32. Drive spindle; 33. Drive gear disc; 4. Chain net adjustment mechanism assembly; 41. Lifting seat; 42. Fixed seat; 43. Adjusting bolt; 5. Slag collecting trough; 6. Flushing nozzle; 61. Flushing pipe; 62. Flushing adjustment plate; 7. Window. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] The structural features of the utility model are now described in detail with reference to the accompanying drawings of the specification.

[0030] See also Figure 1-Figure 5A component-type internal water inlet fine screen machine includes a box body 1. A mounting flange 12 is provided on the circumference of the bottom of the box body 1. The bottom of the box body 1 is an open drain outlet 11. The box body 1 and the fully enclosed box structure can ensure that the odor in the sewage does not leak into the air. The box body 1 is installed on the ground without any restrictions on installation conditions, which is more convenient for construction and installation.

[0031] It also includes a chain net 2, which is arranged in a triangular structure in the box body 1. The chain net 2 is composed of a plurality of filter screen plates 21 to form a crawler structure. The filter screen plates 21 are made of 304 stainless steel sheets with precision punching or 304 stainless steel screens, and the filtering accuracy range is not less than 0.1. Rotary drive chains 22 are arranged on both sides of the chain net 2, and a sealing joint assembly is arranged between adjacent filter screen plates 21, wherein the sealing joint assembly includes two correspondingly arranged sealing strips 210, the sealing strips 210 are fixedly arranged at the ends of the filter screen plates 21, and the corresponding side cross-section is a semicircular structure, and circular arc docking is adopted to ensure that the docking gap remains unchanged at the turning part of the guide rail, thereby increasing the filtering accuracy of the grille. On the inner side of the chain net 2, and on each filter screen plate 21, a reverse scooping tooth rake 23 is fixedly arranged, and the reverse scooping tooth rake 23 is tilted toward the direction of operation, and is used to scoop large particles of residue in the sewage.

[0032] Sealed guide rail assemblies for steering the slewing drive chain 22 are provided on both sides of the interior of the box body 1 and at the bottom, wherein the sealed guide rail assembly comprises an upper sealed guide rail 24 and a lower sealed guide rail 25, and the slewing drive chain 22 is slidably arranged between the upper sealed guide rail 24 and the lower sealed guide rail 25, and the upper sealed guide rail 24 and the lower sealed guide rail 25 are seamlessly sealed with composite rubber to form a closed structure between the lower part of the chain net 2 and the box body 1, and a fully enclosed chain net plate structure is adopted. Compared with the traditional cylindrical rotary screen, the filtration area is large, there is no overflow, and its filtration accuracy is comparable to that of the traditional cylindrical rotary screen.

[0033] A water inlet 13 is provided on the side of the box body 1 corresponding to the interior of the chain net 2, so that water can enter the interior of the box body 1. A slag collecting trough 5 with a funnel structure is also provided inside the chain net 2, and the top opening of the slag collecting trough 5 corresponds to the chain net 2, which is a right triangle, and the upper opening of the slag collecting trough 5 corresponds to the hypotenuse of the chain net 2. When the reverse scooping tooth rake 23 moves to the top of the slag collecting trough 5, the scooped residue falls into the slag collecting trough 5, and a slag outlet 14 is provided on one side of the bottom of the slag collecting trough 5, and the slag outlet 14 extends to the outside of the box body 1, and the slag outlet 14 is used to discharge the residue.

[0034] Symmetrical chain net adjustment mechanism assemblies 4 that can be translated up and down are provided on both sides of the outside of the box body 1. The chain net adjustment mechanism assembly 4 is provided with a chain net driving mechanism assembly 3 for driving the chain net 2 to rotate in the opposite direction. The tension of the chain net 2 can be adjusted by the chain net adjustment mechanism assembly 4, and the replacement and installation of the chain net 2 is also convenient. Among them, the chain net adjustment mechanism assembly 4 includes a lifting seat 41 and a fixed seat 42. The lifting seat 41 is fixedly arranged on both sides of the box body 1. The lifting seat 41 is provided with a long waist hole for up and down adjustment. The fixed seat 42 is fixedly arranged above the lifting seat 41. An adjusting bolt 43 is provided between the lifting seat 41 and the fixed seat 42. The lifting seat 41 can be moved upward or downward by rotating the adjusting bolt 43. When it moves to a suitable position, it is fixed by a bolt. The chain network driving mechanism assembly 3 includes a driving motor 31, which is fixedly arranged on a lifting seat 41 on one side. A driving spindle 32 is fixedly arranged on the output shaft of the driving motor 31. The driving spindle 32 passes through the box body 1, and both ends are arranged on the lifting seats 41 on both sides. Both sides of the driving spindle 32 are fixedly provided with driving toothed discs 33 adapted to the rotary driving chain 22. The rotary driving chain 22 is driven to rotate by the driving toothed discs 33 on both sides, thereby driving the chain network 2 to continuously rotate in the box body 1. On the one hand, the filter screen plate 21 can be replaced to avoid blockage and improve the filtering efficiency. On the other hand, the filtered slag can be removed and discharged in time.

[0035] In order to remove the slag on the chain net 2, a flushing component for backwashing the filter plate 21 is provided above the chain net 2, and the flushing component is located directly above the slag collecting tank 5, wherein the flushing component includes a flushing nozzle 6, and the flushing nozzle 6 is fixedly arranged on the flushing pipe 61. In order to enable the flushing nozzle 6 to be adjusted together with the chain net 2, a flushing adjustment component for adjusting the height of the flushing pipe 61 is provided on the box body 1, and the washing adjustment mechanism assembly includes a flushing adjustment plate 62, and the flushing adjustment plate 62 is fixedly arranged on both sides of the box body 1. The flushing adjustment plate 62 is provided with a long waist hole for up and down adjustment. Both ends of the flushing pipe 61 are fixed on the flushing adjustment plate 62, and the height of the flushing pipe 61 is adjusted through the long waist hole, and the flushing adjustment plate 62 is fixed by locking.

[0036] In order to facilitate observation of the interior of the box body 1 , a viewing window 7 is provided on one side of the box body 1 corresponding to the interior of the chain network 2 .

[0037] The component-type internal water inlet fine screen machine of the utility model has a compact structure and a smaller size. On the one hand, it has a large filtering area and a large processing capacity, and can improve the filtering accuracy of the screen. On the other hand, during use, one or more units can be used, which can be adapted to small and medium-sized sewage treatment stations or medium-sized sewage treatment plants. There is no overflow and no odor leakage during use.

[0038] Specifically, when in use, the driving motor 31 is energized to drive the rotary driving chain 22 to rotate continuously counterclockwise along the sealing guide rail assembly on the box body 1, and the sewage enters the screen machine through the water inlet 13. The water filtered by the filter screen plate 21 flows out through the drain port 11 at the bottom of the box body 1. The filtered residue is retained and attached to the filter screen plate 21, and the residue moves counterclockwise with the chain net 2. When it moves to the right vertical position of the chain net 2, the large particles of residue will fall downward into the anti-fishing tooth rake 23 due to its own weight. When the residue moves with the chain net 2 to the top of the driving tooth disk 33, the residue will fall downward into the slag collecting tank 5 due to its own weight. The residue remaining on the filter screen plate 21 moves to the flushing assembly with the rotary driving chain 22, and high-pressure flushing water is sprayed out through the flushing pipe 61 and the flushing nozzle 6 to clean the filter screen plate 21. The remaining residue water and flushing water fall into the slag collecting tank 5 together, and the residue in the slag collecting tank 5 flows out through the slag outlet 14 with the flushing water.

[0039] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A component type internal water inlet fine screen machine, comprising a box body (1), wherein a mounting flange (12) is provided on the circumference of the bottom of the box body (1), characterized in that: The bottom of the box body (1) is an open drain outlet (11); It also comprises a chain net (2), the chain net (2) being arranged in a triangular structure in the box body (1), the chain net (2) being composed of a plurality of filter screen plates (21) forming a crawler structure, and a rotary drive chain (22) being arranged on both sides of the chain net (2), a sealing joint assembly being arranged between adjacent filter screen plates (21), and a reverse scooping tooth rake (23) being fixedly arranged on the inner side of the chain net (2) and on each filter screen plate (21); Sealed guide rail assemblies for steering the rotary drive chain (22) are provided on both sides of the interior of the box (1) and at the bottom, so that a sealed structure is formed between the lower part of the chain net (2) and the box (1); A water inlet (13) is provided on the side of the box body (1) corresponding to the interior of the chain net (2); A slag collecting trough (5) with a funnel structure is also provided inside the chain net (2), the top opening of the slag collecting trough (5) corresponds to the chain net (2), a slag outlet (14) is provided on one side of the bottom of the slag collecting trough (5), and the slag outlet (14) extends to the outside of the box body (1); Both sides of the exterior of the box body (1) are provided with symmetrical chain net adjustment mechanism components (4) that can be translated up and down, and the chain net adjustment mechanism components (4) are provided with chain net driving mechanism components (3) for driving the chain net (2) to rotate in the opposite direction; A flushing assembly for backwashing the filter screen plate (21) is provided above the chain net (2), and the flushing assembly is located directly above the slag collecting tank (5).

2. The component-type internal water inlet fine screen machine according to claim 1, characterized in that: The sealing joint assembly comprises two correspondingly arranged sealing strips (210), wherein the sealing strips (210) are fixedly arranged at the end of the filter screen plate (21), and the corresponding side cross section is a semicircular structure.

3. The component-type internal water inlet fine screen machine according to claim 1, characterized in that: The sealing guide rail assembly comprises an upper sealing guide rail (24) and a lower sealing guide rail (25), and the rotary drive chain (22) is slidably arranged between the upper sealing guide rail (24) and the lower sealing guide rail (25).

4. The component-type internal water inlet fine screen machine according to claim 1, characterized in that: The chain net adjustment mechanism assembly (4) comprises a lifting seat (41) and a fixed seat (42); the lifting seat (41) is fixedly arranged on both sides of the box body (1); a long waist hole for upward and downward adjustment is provided on the lifting seat (41); the fixed seat (42) is fixedly arranged above the lifting seat (41); and an adjustment bolt (43) is provided between the lifting seat (41) and the fixed seat (42).

5. The component-type internal water inlet fine screen machine according to claim 4, characterized in that: The chain network driving mechanism assembly (3) comprises a driving motor (31), the driving motor (31) being fixedly arranged on a lifting seat (41) on one side, a driving main shaft (32) being fixedly arranged on the output shaft of the driving motor (31), the driving main shaft (32) passing through the box body (1), and two ends of the driving main shaft (32) being arranged on the lifting seats (41) on both sides, and driving toothed discs (33) adapted to the rotary driving chain (22) being fixedly arranged on both sides of the driving main shaft (32).

6. The component-type internal water inlet fine screen machine according to claim 1, characterized in that: The flushing assembly comprises a flushing nozzle (6), the flushing nozzle (6) being fixedly arranged on a flushing pipe (61), and flushing adjustment mechanism assemblies for lifting and lowering the flushing pipe (61) are arranged on both sides of the box body (1).

7. The component-type internal water inlet fine screen machine according to claim 6, characterized in that: The flushing adjustment mechanism assembly comprises a flushing adjustment plate (62), the flushing adjustment plate (62) being fixedly arranged on both sides of the box body (1), the flushing adjustment plate (62) being provided with a long waist hole for upward and downward adjustment, and the two ends of the flushing pipe (61) being fixed on the flushing adjustment plate (62).

8. A component type internal water inlet fine screen machine according to any one of claims 1 to 7, characterized in that: A viewing window (7) is provided on one side of the box body (1) corresponding to the interior of the chain network (2).

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