Tank top structure of anaerobic fermentation tank

Abstract

The tank top structure of the anaerobic fermentation tank comprises a central supporting part, a plurality of groups of radiation frames are annularly arranged on the outer surface of the central supporting part at equal intervals, a plurality of groups of top plates are spliced on the radiation frames, connecting edges are arranged on the radiation frames, positioning clamping grooves are formed in the connecting edges, and the top plates are connected with the positioning clamping grooves. A positioning clamping groove is formed in the radiation frame, a positioning clamping block is arranged in the positioning clamping groove and connected with the top plate, an L-shaped support is further arranged on the radiation frame, the L-shaped support is attached to the side face and the connecting edge of the radiation frame and connected with the radiation frame and the top plate through a first bolt and a second bolt, and an auxiliary positioning structure is further arranged on the positioning clamping block. The split type structure is adopted, the multiple sets of top plates and the radiation frame are assembled in a split mode, meanwhile, the top plates are convenient to assemble, the overall installation time of the top plates is greatly shortened, the stability after installation is good, loosening or deformation of the top plates cannot be caused, and the overall strength is high.

Description

Technical Field

[0001] The utility model relates to an anaerobic tank, in particular to a tank top structure of an anaerobic fermentation tank. Background Art

[0002] The methods usually used to treat wastewater are filtration or fermentation. However, when using the fermentation method, anaerobic fermentation tanks are usually used to treat some industrial wastewater because of their more stable performance. Anaerobic fermentation tanks cut off the contact between the inside of the pipe and the external air, and rely on the biochemical action of anaerobic bacteria to biodegrade the organic matter in the wastewater filled in the tank.

[0003] The current anaerobic fermentation tanks mostly have an integrated structure for the tank body and tank top. Since the tank top is an integral structure, the installation operation takes a long time during the installation process. At the same time, the overall installation firmness of the tank top is not good, and it is easy to fall off or deform after long-term use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a tank top structure of an anaerobic fermentation tank, which solves the problem that the tank body and the tank top of the current anaerobic fermentation tank are mostly integrated structures. Since the tank top is an integral structure, the installation operation time is long during the installation process, and the overall installation firmness of the tank top is not good, and the pad is easy to fall off or deform after long-term use.

[0005] In order to solve the above technical problems, the utility model provides a tank top structure of an anaerobic fermentation tank, including a central support part, a plurality of groups of radiation frames are arranged in a circular shape and at equal intervals on the outer surface of the central support part, a plurality of groups of top plates are spliced ​​on the radiation frames, a connecting edge is arranged on the radiation frame, a positioning slot is arranged on the connecting edge, a positioning block is arranged in the positioning slot, the positioning block is connected to the top plate, an L-shaped bracket is also arranged on the radiation frame, the L-shaped bracket is respectively fitted with the side surface and the connecting edge of the radiation frame, and is respectively connected to the radiation frame and the top plate by a first bolt and a second bolt, and an auxiliary positioning structure is also arranged on the positioning block.

[0006] As an embodiment, the auxiliary positioning structure includes an import rod, which is arranged on the positioning block, and the import rod is clamped in the import slot, which is arranged in the positioning slot, and the import slot extends into the radiation frame, so as to perform secondary positioning on the positioning block and improve the stability of the connection between the positioning block and the positioning slot.

[0007] As an embodiment, a receiving groove is further provided in the introduction groove, and an auxiliary fixing pin is provided in the receiving groove. One end of the auxiliary fixing pin is engaged with the introduction rod, so as to position the introduction rod.

[0008] As an embodiment, a return spring is further provided in the receiving groove, one end of the return spring is connected to the auxiliary fixing pin, and the elastic force of the return spring enables the auxiliary fixing pin to fit tightly with the introduction rod.

[0009] As an embodiment, one end of the auxiliary fixing pin is clamped in a fixing groove, and the fixing groove is provided on the introduction rod, so as to position the auxiliary fixing pin.

[0010] As an embodiment, an inclined introduction portion is further provided on the introduction rod, and the inclined introduction portion corresponds to a side surface of the auxiliary fixing pin, and can automatically push the auxiliary fixing pin to move in the receiving groove during the movement of the introduction rod.

[0011] As an embodiment, a guide slider is further provided on the auxiliary fixing pin, and the guide slider is slidably provided in a guide slide groove, and the guide slide grooves are provided on both sides of the receiving groove, thereby improving the guiding property of the auxiliary fixing pin when it moves.

[0012] As an embodiment, adjacent top plates are connected by staggered snap-fitting, so that multiple groups of top plates can be assembled.

[0013] The beneficial effects of the utility model are:

[0014] The utility model adopts a split structure to assemble multiple groups of top plates and radiation frames separately. At the same time, the top plates are easy to assemble, which greatly shortens the overall installation time. The stability after installation is good, and the top plates will not become loose or deformed, and the overall strength is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the connection between the radiation frame and the top plate in the utility model;

[0017] Figure 3 It is a schematic diagram of the main cross-sectional structure of the radiation frame and the top plate in the connection state of the utility model;

[0018] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of the middle part A;

[0019] Figure 5 for Figure 3 A schematic diagram of the enlarged structure of the middle B part;

[0020] In the figure: 1. Radial frame, 2. Top plate, 3. Ladder, 4. Top guardrail, 5. Central support part, 11. Connecting edge, 12. L-shaped bracket, 13. First bolt, 14. Second bolt, 15. Threaded hole, 16. Positioning slot, 17. Positioning block, 101. Introduction rod, 102. Fixed slot, 103. Introduction slot, 104. Inclined introduction part, 105. Guide slider, 106. Guide slide slot, 107. Storage slot, 108. Return spring, 109. Auxiliary fixing pin. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the accompanying drawings in the embodiments of the utility model. All directional indications in the utility model (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0022] See also Figure 1-Figure 4 A tank top structure of an anaerobic fermentation tank comprises a central support part 5, on the outer surface of the central support part 5, a plurality of groups of radiation frames 1 are arranged in a circular shape and at equal intervals, a plurality of groups of top plates 2 are spliced ​​and arranged on the radiation frames 1, a connecting edge 11 is arranged on the radiation frames 1, specifically, the connecting edge 11 and the radiation frames 1 are an integrally formed structure, which can improve the overall bearing strength of the radiation frames 1, a positioning card slot 16 is arranged on the connecting edge 11, a positioning card block 17 is arranged in the positioning card slot 16, the positioning card block 17 is connected to the top plate 2, when the top plate 2 is installed, the positioning card block 17 is inserted into the positioning card slot 16, so that the top plate 2 and the connecting edge 11 can be spliced, an L-shaped bracket 12 is also arranged on the radiation frame 1, the L-shaped bracket 12 is respectively fitted with the side surface of the radiation frame 1 and the connecting edge 11, and is respectively connected to the radiation frame 1 and the top plate 2 by a first bolt 13 and a second bolt 14, by the arrangement of the L-shaped bracket 12, the firmness of the top plate 2 during installation can be improved, and an auxiliary positioning structure is also arranged on the positioning card block 17.

[0023] The top plate 2 is provided with a threaded hole 15 for installing the second bolt 14 , and the threaded hole 15 corresponds to the installation hole on the connecting edge 11 , so as to facilitate the installation of the second bolt 14 .

[0024] See also Figure 3 and Figure 4 The auxiliary positioning structure includes an introduction rod 101, which is arranged on the positioning block 17. The introduction rod 101 is clamped in the introduction slot 103, and the introduction slot 103 is arranged in the positioning slot 16. The introduction slot 103 extends into the radiation frame 1, which can perform secondary positioning on the positioning block 17 and improve the stability of the clamping between the positioning block 17 and the positioning slot 16.

[0025] A receiving groove 107 is further provided in the introduction groove 103 , and an auxiliary fixing pin 109 is provided in the receiving groove 107 . One end of the auxiliary fixing pin 109 is engaged with the introduction rod 101 , so as to position the introduction rod 101 .

[0026] A return spring 108 is also provided in the receiving groove 107 , and one end of the return spring 108 is connected to the auxiliary fixing pin 109 . The elastic force of the return spring 108 enables the auxiliary fixing pin 109 to fit tightly with the introduction rod 101 .

[0027] As an embodiment, one end of the auxiliary fixing pin 109 is clamped in the fixing groove 102 . The fixing groove 102 is provided on the introduction rod 101 and can position the auxiliary fixing pin 109 .

[0028] As an embodiment, an inclined introduction portion 104 is further provided on the introduction rod 101 , and the inclined introduction portion 104 corresponds to a side surface of the auxiliary fixing pin 109 , and can automatically push the auxiliary fixing pin 109 to move in the receiving groove 107 during the movement of the introduction rod 101 .

[0029] Furthermore, a guide slider 105 is also provided on the auxiliary fixing pin 109, and the guide slider 105 is slidably set in the guide slot 106, and the guide slot 106 is set on both sides of the storage slot 107. The movement of the auxiliary fixing pin 109 drives the guide slider 105 to move in the guide slot 106, thereby improving the guiding performance of the auxiliary fixing pin 109 when it moves.

[0030] As an embodiment, adjacent top panels 2 are connected by staggered snap-fitting, so that multiple groups of top panels 2 can be assembled. When the top panels 2 are installed, a sealing groove is set on one group of top panels 2, and a sealing strip is set on the other group of top panels 2. The sealing strip is snapped into the sealing groove. When two groups of top panels 2 are installed, the sealing strip is snapped into the sealing groove, thereby improving the sealing of the installation of the top panels 2.

[0031] Furthermore, a top guardrail 4 is provided on the central support portion 5 to facilitate maintenance of the tank top and ensure the safety of the maintenance personnel. A ladder 3 is also provided on the radiation frame 1 to facilitate walking of maintenance or installation personnel.

[0032] The specific working principle of this application is as follows:

[0033] Insert the positioning block 17 on the top plate 2 into the positioning slot 16, and push the top plate 2 to move. The top plate 2 drives the positioning block 17 to move in the positioning slot 16. The movement of the top plate 2 drives the introduction rod 101 to move, and the introduction rod 101 is inserted into the introduction slot 103. When the introduction rod 101 is fitted with the auxiliary fixing pin 109, as the introduction rod 101 moves, the introduction rod 101 drives the auxiliary fixing pin 109 to move in the receiving slot 107. The auxiliary fixing pin 109 moves to compress the reset spring 108. When the introduction rod 101 is completely After being inserted into the introduction groove 103, the reset spring 108 drives the auxiliary fixing pin 109 to reset and move through the elastic force, and inserts the auxiliary fixing pin 109 into the fixing groove 102, thereby positioning the introduction rod 101, and then the L-shaped bracket 12 is respectively fitted with the connecting edge 11 and the radiation frame 1, and the L-shaped bracket 12 is fixed to the radiation frame 1 by the first bolt 13, and the L-shaped bracket 12 is connected to the connecting edge 11 and the top plate 2 by the second bolt 14, and multiple groups of top plates 2 are installed in turn, thereby improving the installation efficiency of the tank top.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tank top structure of an anaerobic fermentation tank, characterized in that: The invention comprises a central support part (5), wherein a plurality of groups of radiation frames (1) are arranged in an annular shape and at equal intervals on the outer surface of the central support part (5), a plurality of groups of top plates (2) are spliced ​​and arranged on the radiation frames (1), a connecting edge (11) is arranged on the radiation frames (1), a positioning slot (16) is arranged on the connecting edge (11), a positioning block (17) is arranged in the positioning slot (16), and the positioning block (17) is connected to the top plate (2), an L-shaped bracket (12) is also arranged on the radiation frames (1), the L-shaped bracket (12) is respectively fitted with the side surface of the radiation frames (1) and the connecting edge (11), and is respectively connected to the radiation frames (1) and the top plate (2) by means of a first bolt (13) and a second bolt (14), and an auxiliary positioning structure is also arranged on the positioning block (17).

2. The tank top structure of an anaerobic fermentation tank according to claim 1, characterized in that: The auxiliary positioning structure comprises an introduction rod (101), the introduction rod (101) is arranged on a positioning block (17), the introduction rod (101) is clamped in an introduction slot (103), the introduction slot (103) is arranged in a positioning slot (16), and the introduction slot (103) extends into the radiation frame (1).

3. The tank top structure of an anaerobic fermentation tank according to claim 2, characterized in that: A receiving groove (107) is also provided in the introduction groove (103), an auxiliary fixing pin (109) is provided in the receiving groove (107), and one end of the auxiliary fixing pin (109) is clamped with the introduction rod (101).

4. The tank top structure of an anaerobic fermentation tank according to claim 3, characterized in that: A return spring (108) is also arranged in the receiving groove (107), and one end of the return spring (108) is connected to the auxiliary fixing pin (109).

5. The tank top structure of an anaerobic fermentation tank according to claim 3 or 4, characterized in that: One end of the auxiliary fixing pin (109) is clamped in the fixing groove (102), and the fixing groove (102) is arranged on the introduction rod (101).

6. The tank top structure of an anaerobic fermentation tank according to claim 3, characterized in that: The introduction rod (101) is also provided with an inclined introduction portion (104), and the inclined introduction portion (104) corresponds to a side surface of the auxiliary fixing pin (109).

7. The tank top structure of an anaerobic fermentation tank according to claim 3, characterized in that: A guide slider (105) is also provided on the auxiliary fixing pin (109), and the guide slider (105) is slidably provided in a guide slide groove (106), and the guide slide groove (106) is provided on both sides of the storage groove (107).

8. The tank top structure of an anaerobic fermentation tank according to claim 1, characterized in that: Adjacent top plates (2) are connected by staggered snap-fitting.

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