Anti-impact system of grillage machine

Abstract

The utility model discloses an anti-impact system of a grillage machine, which comprises a raw water inlet tank, the tail section of the raw water inlet tank is provided with a rotary grillage machine, two side tank walls at the position of a tank opening of the raw water inlet tank respectively extend towards the outer side of the tank to form stepped openings, and the tank opening of the raw water inlet tank is covered with a water tank cover plate. The edge part of the water tank cover plate is lapped in the stepped opening, and a buffer assembly is arranged in the raw water inlet tank at the upstream of the rotary grillage machine; the buffering assembly comprises a buffering fixing frame and a buffering net wound on the buffering fixing frame, the top of the buffering fixing frame is located at a notch of the raw water inlet tank, and the top of the buffering fixing frame is connected with the tank walls on the two sides of the raw water inlet tank. The anti-impact buffering device has the remarkable effects that the anti-impact buffering assembly can be simply, quickly and stably arranged in the raw water inlet tank, so that the impact of hard objects in raw water on the grillage machine is relieved, and the working part of the grillage machine is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of environmental protection, concretely relates to the protection device of raw water inlet of sewage plant. BACKGROUND

[0002] The raw water of the sewage plant is connected to the plant area by the inlet tank, and after the larger dregs are removed by the coarse grid, it is transported to the fine grid. In order to continuously remove the dregs, the coarse grid is generally configured as a grid machine that operates automatically. Since the coarse grid directly faces the water inlet end of the inlet tank, the water flow will impact the grid machine. Especially when the water inflow is large, the flow rate is fast, and the volume / mass of the water flow is large, the impact on the grid machine will be more serious. These serious impacts will cause damage to the working parts of the grid machine.

[0003] Setting the upstream section of the inlet tank as a buffer section (such as a bend) is a simple and effective way to reduce the impact of water flow on the grid machine. However, for plants that have been running and have limited space, it is not feasible to modify the inlet tank. SUMMARY

[0004] To solve the above technical problems, the utility model provides a technical scheme for solving the water flow impact problem based on the existing inlet tank, and the main technical scheme adopted is as follows:

[0005] A grid machine anti-impact system, comprising a raw water inlet tank, a rotary grid machine is arranged at the end section of the raw water inlet tank, and the two side tank walls at the tank opening of the raw water inlet tank are respectively extended outward with a stepped opening, a water tank cover plate is arranged at the tank opening of the raw water inlet tank, and the edge of the water tank cover plate is arranged in the stepped opening. The key point is that:

[0006] A buffer assembly is arranged in the raw water inlet tank upstream of the rotary grid machine;

[0007] The buffer assembly comprises a buffer fixing frame and a buffer net wound on the buffer fixing frame, the top of the buffer fixing frame is located at the tank opening of the raw water inlet tank, and the top of the buffer fixing frame is connected with the two side tank walls of the raw water inlet tank. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a cross-sectional structure schematic view of the utility model;

[0009] Figure 2 It is a schematic view of the cooperation state of the cover plate unit and the horizontal rod 411;

[0010] Figure 3 It is a schematic view of the assembly state of the buffer assembly 4 and the raw water inlet tank 1;

[0011] Figure 4 It is a structural schematic view of the buffer assembly 4. DETAILED DESCRIPTION

[0012] The utility model will be further explained in connection with the embodiments and drawings.

[0013] As Figure 1 , 2 , 3, 4 shows a kind of grating machine anti-impact system, including foundation, the foundation is opened with raw water inlet channel 1, this raw water inlet channel 1 is along the same straight line direction extension, the last section of this raw water inlet channel 1 is equipped with rotary grating machine 2, the rotary grating machine 2 includes two fixed frames and is equipped between two fixed frames rotary system, two the fixed frame is respectively close to the two groove walls of raw water inlet channel 1, the rotary grating machine 2 faces the upstream water inlet end of raw water inlet channel 1.

[0014] The two side groove walls of the raw water inlet channel 1 slot are respectively expanded with step opening to its groove outside, the water tank cover plate 3 is covered on the slot of raw water inlet channel 1, the edge portion of water tank cover plate 3 is arranged in the step opening, the upper surface of water tank cover plate 3 is flush with the slot of raw water inlet channel 1, the upper surface of water tank cover plate 3 is flush with the surface of foundation.

[0015] Buffer assembly 4 is arranged in the raw water inlet channel 1 upstream of the rotary grating machine 2, and the buffer assembly 4 includes a buffer fixing frame 41 and a buffer net 42 wound on the buffer fixing frame 41. The top of the buffer fixing frame 41 is located at the slot of the raw water inlet channel 1, and the top of the buffer fixing frame 41 is connected with the two side groove walls of the raw water inlet channel 1, so as to simplify the assembly and assembly relationship between the buffer assembly 4 and the raw water inlet channel 1, and avoid internal assembly with water in the raw water inlet channel 1.

[0016] A specific embodiment is that the buffer fixing frame 41 comprises two horizontal rods 411 arranged in parallel and opposite to each other, the horizontal rods 411 are parallel to the width direction of the raw water inlet tank 1, the horizontal rods 411 span the raw water inlet tank 1, and the two ends of the horizontal rods 411 are respectively located in the corresponding stepped opening, the buffer fixing frame 41 further comprises two fixed frames 412, the two fixed frames 412 are respectively close to the two tank walls of the raw water inlet tank 1, the fixed frames 412 are vertically arranged, the fixed frames 412 are parallel to the tank walls of the corresponding raw water inlet tank 1, and the top of the fixed frame 412 is fixedly connected with the two horizontal rods 411 at the same time, specifically, the top of the fixed frame 412 is provided with a vertical extension rod corresponding to the two horizontal rods 411 respectively, the upper end of the vertical extension rod is fixedly connected with the corresponding horizontal rod 411, and the lower end of the vertical extension rod is fixedly connected with the corresponding fixed frame 412, and the buffer net 42 is arranged between the two fixed frames 412. The fixed frame 412 is preferably a rectangular frame, the bottom of the fixed frame 412 is close to the bottom of the raw water inlet tank 1, the buffer net 42 is a thick network made of steel wire rope, and the specific shape of the buffer net 42 is not limited, and the buffer net 42 can be connected and installed on the fixed frame 412.

[0017] Two stop rods 5 are arranged in the stepped opening on the same side, the two horizontal rods 411 are located between the two stop rods 5, the horizontal rods 411 correspond to the stop rods 5 one by one, and the horizontal rods 411 abut against the corresponding stop rods 5. The root of the stop rod 5 is embedded in the tank wall of the raw water inlet tank 1, the head of the stop rod 5 is located in the stepped opening, and the head of the stop rod 5 is flush with the tank opening of the raw water inlet tank 1. The stop rod 5 functions to constrain the buffer fixing frame 41 in the water inlet and outlet direction to avoid that the buffer assembly 4 is moved due to water flow impact.

[0018] The water tank cover plate 3 comprises a plurality of cover plate units, the cover plate units are arranged in the tank opening of the raw water inlet tank 1 in a spliced manner while avoiding the horizontal rods 411. Specifically, one cover plate unit is arranged between the two horizontal rods 411, and the cover plate units are arranged on the outer sides of the horizontal rods 411 respectively.

[0019] The above buffer assembly 4 can be placed for a long time, and can be added in stages according to the actual situation of each factory area. When too much dregs accumulates on the buffer net 42, the raw water inlet tank 1 can be directly cleaned and peeled.

[0020] The beneficial effects of the technical scheme of the utility model are that the buffer assembly for preventing impact can be simply, quickly and stably arranged in the raw water inlet tank, the impact of hard objects in raw water on the grating machine is reduced, and the working part of the grating machine is prevented from being damaged.

[0021] Finally, it needs to be explained that the above description is only the preferred embodiment of the utility model, and the ordinary skilled in the art can make various similar expressions under the inspiration of the utility model without violating the purpose and the claims of the utility model, and such changes fall within the protection scope of the utility model.

Claims

1. A grid machine anti-impact system, comprising a raw water inlet tank (1), the tail section of the raw water inlet tank (1) is provided with a rotary grid machine (2), the two side tank walls of the raw water inlet tank (1) at the tank opening are respectively expanded with a stepped opening to the outside of the tank, a water tank cover plate (3) is covered on the tank opening of the raw water inlet tank (1), and the edge part of the water tank cover plate (3) is arranged in the stepped opening, characterized in that: a buffer assembly (4) is arranged in the raw water inlet tank (1) upstream of the rotary grid machine (2); The buffer assembly (4) comprises a buffer fixing frame (41) and a buffer net (42) wound on the buffer fixing frame (41), and the top of the buffer fixing frame (41) is located at the tank opening of the raw water inlet tank (1), and the top of the buffer fixing frame (41) is connected with the two side tank walls of the raw water inlet tank (1). The buffer fixing frame (41) comprises two parallel and opposite horizontally arranged horizontal rods (411), the horizontal rods (411) span the raw water inlet tank (1), and the two ends of the horizontal rods (411) respectively fall into the corresponding stepped openings, the water tank cover plate (3) comprises a plurality of cover plate units, and the cover plate units are arranged in the tank opening of the raw water inlet tank (1) by avoiding the horizontal rods (411).

2. The impact protection system of a grader according to claim 1, characterized in that: Two stop rods (5) are arranged in the stepped openings on the same side, the two horizontal rods (411) are located between the two stop rods (5), the horizontal rods (411) correspond to the stop rods (5) one by one, and the horizontal rods (411) abut against the corresponding stop rods (5).

3. The impact protection system of claim 2, wherein: The buffer fixing frame (41) further comprises two fixed frames (412), the two fixed frames (412) are respectively close to the two tank walls of the raw water inlet tank (1), the fixed frames (412) are vertically arranged, the fixed frames (412) are parallel to the tank walls of the corresponding raw water inlet tank (1), the top of the fixed frame (412) is fixedly connected with the two horizontal rods (411) at the same time, and the buffer net (42) is arranged between the two fixed frames (412).

4. The impact protection system of a grader according to claim 2 or 3, characterized in that: The top of the fixed frame (412) is provided with a vertical extension rod corresponding to the two horizontal rods (411), the upper end of the vertical extension rod is fixedly connected with the corresponding horizontal rod (411), and the lower end of the vertical extension rod is fixedly connected with the corresponding fixed frame (412).

5. The impact protection system of claim 4, wherein: The root of the stop rod (5) is embedded in the tank wall of the raw water inlet tank (1), the head of the stop rod (5) is located in the stepped opening, and the head of the stop rod (5) is flush with the tank opening of the raw water inlet tank (1); 6. The impact protection system of claim 3, wherein: One cover plate unit is arranged between the two horizontal rods (411), and the outer sides of the horizontal rods (411) are respectively provided with the cover plate units. ​

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