CN210302738U - Sewage draining outlet pretreatment device - Google Patents

Abstract

The utility model relates to a drain preprocessing device, it includes sewage pipes, sewage pipes is connected with filtering component, and filtering component includes first case and second case, and first case passes through sewage pipes and second case intercommunication, and the case mouth has been seted up at first case top, is provided with one-level filtration system in the first case, and the second incasement is provided with second grade filtration system, and second grade filtration system is higher than one-level filtration system filter fineness. The utility model discloses have the effect that reduces debris and get into sewage treatment plant.

Description

Sewage draining outlet pretreatment device

Technical Field

The utility model belongs to the technical field of water environment prosthetic technique and specifically relates to a drain preprocessing device is related to.

Background

At present, along with the development of society, water resources are increasingly deficient, water environment restoration is valued by more and more people, and in the water environment restoration process, the treatment of sewage is an important part of the water environment restoration.

The existing sewage discharge is mostly to flow into rivers or rivers through sewage pipes, the sewage discharge mode of the sewage pipes is generally divided into three modes of shore-side centralized discharge, river center centralized discharge and dispersed discharge, in order to avoid the damage of sewage to the natural reclaimed water ecological environment, a sewage treatment device is often arranged at the sewage outlet of the sewage pipes, and the sewage flows into the rivers or rivers after being treated by the sewage treatment device.

The above prior art solutions have the following drawbacks: impurities such as paper and gravel are often mixed in the sewage, and when too much impurities enter the sewage treatment device, the impurities easily influence the mechanism operation inside the device, so that the sewage treatment device is damaged and cannot normally operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drain preprocessing device reaches the purpose that reduces debris and get into sewage treatment plant.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a drain preprocessing device, includes the sewage pipes, the sewage pipes is connected with filtering component, and filtering component includes first case and second case, and first case passes through sewage pipes and second case intercommunication, is provided with one-level filtration system in the first case, is provided with second grade filtration system in the second case.

Through adopting above-mentioned technical scheme, when sewage when following sewage pipes flow direction sewage treatment plant, sewage flows through first case and second case, when sewage flows to first incasement, one-level filtration system carries out prefilter to sewage, filter the great debris of volume at first incasement, sewage after first case filters gets into the second incasement through sewage pipes, the second grade filtration system of second incasement carries out secondary filter to sewage, filter the less debris of volume in the sewage at the second incasement, second grade filtration system is higher than one-level filtration system filter fineness, sewage after the layering filters flows to sewage treatment plant through sewage pipes, set up drain pretreatment device before the sewage treatment plant, filter debris in the sewage, reach the purpose that reduces debris and get into sewage treatment plant.

The utility model discloses further set up to: the one-level filtration system comprises a filter plate, the filter plate is vertically arranged in a first box, the filter plate is abutted against the side wall of the first box, a box opening is formed in the top end of the first box, a sliding assembly is arranged between the filter plate and the side wall of the first box, the sliding assembly enables the filter plate to slide up and down in the box opening, a filter hole is formed in the side wall of the filter plate, the filter hole penetrates through the filter plate, and a collecting box is fixedly connected to the bottom end of the filter plate.

Through adopting above-mentioned technical scheme, when sewage flows through first case, the paper in with the sewage and the grit that the size is greater than the filtration pore diameter are filtered at first incasement to the filter, when sewage pipes stopped to supply water to first incasement, debris in the first incasement falls into the collection box, make the filter break away from through sliding assembly with the collection box slides from first incasement through the case mouth, make things convenient for the workman to clear up the filter outside first case and collect the box, filter and collection box break away from out behind the first case simultaneously, make things convenient for the clean debris that first case lateral wall of workman adheres, convenience when hoisting device is clean.

The utility model discloses further set up to: the sliding assembly comprises a sliding groove and a sliding block, the sliding groove is formed in the side wall of the first box, the sliding block is connected in the sliding groove in a sliding mode, and the sliding block is fixedly connected with the filter plate.

By adopting the technical scheme, when the filter plate is separated from the first box through the sliding assembly, the sliding block slides in the sliding groove, and the filter plate stably slides in the sliding process by utilizing the constraint action of the sliding groove on the sliding block, so that sundries in the collecting box are prevented from being separated from the collecting box due to the shaking of the filter plate, and the stability of the device in use is improved; simultaneously, the filter plate is in the first box, and due to the constraint effect of the sliding grooves on the sliding blocks, the impact capacity of the filter plate to water flow is improved, so that the filter plate is stabilized in the first box under the impact of sewage, and the stability of the device is further improved.

The utility model discloses further set up to: the second grade filtration system includes the filter frame, filters fixedly connected with filter bag in the frame, and filter bag includes the non-woven gauze, and the non-woven gauze sets up to two at least, packs between the non-woven gauze and has the active carbon particle.

By adopting the technical scheme, after the sewage is filtered by the first tank, the sewage flows into the second tank, the sewage flows through the non-woven gauze and the active carbon of the filter bag, and after the sewage is filtered by the non-woven gauze and adsorbed by the active carbon, the impurities in the sewage are further filtered, so that the filtering capacity of the sewage pretreatment device is improved; filter the package simultaneously and cross filter frame fixed connection, when filtering frame support and filtering the package, avoid filtering the interior active carbon of package and pile up downwards under the action of gravity, lead to filtering the package upper end and do not have active carbon, can not fully filter sewage, cross the filter frame and provide the supporting role when, further promote the filter effect of second case.

The utility model discloses further set up to: the second incasement is provided with a plurality of and filters the frame, and equal fixed connection filters the package in every filters the frame, and a plurality of inserting groove has been seted up on the roof of second case, and every filters the frame and all pegs graft in the second incasement through inserting groove.

By adopting the technical scheme, the sewage is filtered in multiple levels by the plurality of filter frames and the filter bags, so that the filtering capacity of the secondary filtering system is improved; meanwhile, the filter frame penetrates through the top of the filter assembly and is inserted into the second box, so that the filter frame in the second box is convenient to replace, and convenience in replacement is improved.

The utility model discloses further set up to: and a third box is arranged between the first box and the second box, the third box is communicated with the first box and the second box through a sewage discharge pipeline, gravel is arranged in the third box, and the third box is filled with the gravel.

Through adopting above-mentioned technical scheme, get into the third incasement after sewage flows from first incasement, sewage flows through the gap between the third incasement gravel, does not have in the sewage by the filterable impurity of first incasement filtration pore, is filtered by the gravel of third incasement, and sewage after the filtration of third case gravel flows into the second case through the sewer line, because debris in the third case filtering part sewage reduce the second incasement secondary filter system's filter pressure, reduces the frequency of changing the filter stand.

The utility model discloses further set up to: the top of first case is provided with the case lid, the case mouth of the airtight first case of case lid, and case lid one end is articulated with the lateral wall of first case, keeps away from articulated one end and is provided with the joint subassembly, and the joint subassembly supplies the airtight first case of case lid.

By adopting the technical scheme, the first box is closed by the box cover to prevent external sundries from falling into the first box, so that the filtering pressure of primary filtering is increased; when the first box is opened, the clamping assembly is directly opened, then a worker moves the box cover to keep away from the hinged end, the box cover rotates around the hinged shaft, the process of opening the box cover is easy, the opening of the box cover is easy, and the convenience of the box cover in use is improved.

The utility model discloses further set up to: the clamping assembly comprises a spring, a hook and a clamping ring, one end of the spring is fixedly connected with the side wall of the first box, the other end of the spring is fixedly connected with the hook, the clamping ring is fixedly connected with the box cover, and the hook is clamped in the clamping ring.

Through adopting above-mentioned technical scheme, when the couple joint in the snap ring, the spring is in by tensile state, and the lateral wall of case lid and first case is cramped to the spring, has guaranteed the seal when first case is airtight, and the couple is simple with the using-way of snap ring simultaneously, the convenience when having improved the use of joint subassembly, convenience when further promotion case lid is opened.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the filtering component, the sewage is filtered layer by layer, so that the aim of reducing sundries entering the sewage treatment device is fulfilled;

2. the third box is arranged between the first box and the second box, and the replacement frequency of a secondary filtering system in the second box is reduced through the filtering of the third box;

3. through set up the joint subassembly between case lid and first case, be convenient for open the case lid when guaranteeing the case lid to the inclosed of first case, convenience when promoting the case lid and opening.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view intended to show the internal structure of the first tank;

FIG. 3 is a schematic view intended to show a sliding assembly;

FIG. 4 is a schematic view intended to show the interior of the third tank;

FIG. 5 is an exploded view intended to show a two-stage filtration system;

fig. 6 is a sectional view intended to show a two-stage filtration system.

In the figure, 1, a filter assembly; 11. a first tank; 111. a box opening; 112. a box cover; 12. a second tank; 121. inserting grooves; 13. a third tank; 131. gravel; 2. a primary filtration system; 21. a filter plate; 22. a filtration pore; 23. a collection box; 3. a sliding assembly; 31. a chute; 32. a slider; 4. a secondary filtration system; 41. a filter frame; 42. filtering the packet; 421. non-woven gauze; 422. activated carbon; 43. a handle; 5. a clamping assembly; 51. a spring; 52. hooking; 53. a snap ring; 7. a blowdown line; 8. a sewage treatment device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 4, for the utility model discloses a drain preprocessing device, including filter assembly 1, filter assembly 1 and sewage pipes 7 intercommunication, filter assembly 1 includes square first case 11, square second case 12 and square third case 13, three's range order is first case 11 in proper order, third case 13 and second case 12, communicate through sewage pipes 7 between the three, the top of first case 11 is provided with case mouth 111, be provided with one-level filtration system 2 in the first case 11, be provided with second grade filtration system 4 in the second case 12, a plurality of inserting groove 121 has been seted up on the top of second case 12, third case 13 intussuseption is full of gravel 131. The sewage filters large-scale sundries when passing through the primary filtering system 2 in the first box 11, then filters partial small-scale sundries through gaps among the gravels 131 in the third box 13, and filters small-scale sundries through the secondary filtering system 4 in the second box 12, and the sewage flows to the sewage treatment device 8 after being filtered for a plurality of times, so that the aim of reducing sundries entering the sewage treatment device 8 is fulfilled.

Referring to fig. 2 and 3, the primary filtering system 2 includes a square filtering plate 21, the filtering plate 21 is vertically disposed in the first tank 11, the filtering plate 21 abuts against the side wall of the first tank 11, a sliding assembly 3 is disposed between the filtering plate 21 and the side wall of the first tank 11, the sliding assembly 3 includes a T-shaped sliding slot 31, the sliding slot 31 is disposed on the side wall of the first tank 11, a T-shaped sliding block 32 adapted to the sliding slot 31 is slidably connected in the sliding slot 31, the sliding block 32 extends out of the sliding slot 31 and is fixedly connected with the filtering plate 21, a plurality of circular filtering holes 22 are disposed on the filtering plate 21, the filtering holes 22 penetrate through the filtering plate 21, a collecting box 23 is fixedly connected to the bottom end of the filtering plate 21, the collecting box 23 includes three side walls and a bottom wall, no side wall is disposed at a position of the collecting box 23 close to the filtering plate 21, the filtering holes 22 are communicated with the inside; box mouth 111 department of first case 11 is provided with square case lid 112, case lid 112 and the box mouth phase-match of first case 11, case lid 112 one end is articulated with the lateral wall top of first case 11, case lid 112 is kept away from and is provided with joint subassembly 5 between articulated one end and the lateral wall of first case 11, joint subassembly 5 includes spring 51, spring 51 one end is fixed with the lateral wall of first case 11, other end fixedly connected with couple 52, articulated one end fixedly connected with circular shape snap ring 53 is kept away from to case lid 112, couple 52 joint is in snap ring 53. When sewage flows into the first tank 11, the sewage passes through the filter plate 21 in the first tank 11, the sewage passes through the filter holes 22 on the filter plate 21, the filter plate 21 filters large impurities larger than the filter holes 22, and when the sewage discharge pipeline 7 gradually stops conveying the sewage into the first tank, the filtered impurities are gradually gathered into the collection box 23; when clearing up first case 11, open joint subassembly 5 and then open case lid 112, drag filter 21 and make slider 32 slide in spout 31, filter 21 and collection box 23 break away from the back with first case 11, the workman clears up outside first case 11 and collects box 23 and filter 21, convenience when promoting the workman and clear up.

Referring to fig. 5 and 6, the secondary filtering system 4 includes a plurality of square filter frames 41, each filter frame 41 is vertically inserted into the second tank 12 through the insertion groove 121, a U-shaped handle 43 is fixedly connected to the top end of the filter frame 41, a filter bag 42 is fixedly connected to the interior of the filter frame 41, the filter bag 42 includes two layers of non-woven gauzes 421, and activated carbon 422 particles are disposed between the two layers of non-woven gauzes 421. After the sewage is filtered by the first tank 11 and the third tank 13, small impurities in the sewage are filtered by the non-woven gauze 421 or adsorbed by the activated carbon 422, and the filtering effect of the device is further improved.

The implementation principle of the embodiment is as follows: when sewage flows into the filtering component 1 along the sewage discharge pipeline 7, the sewage firstly flows into the first box 11, when the sewage passes through the filtering plate 21 in the first box 11, the sewage passes through the filtering holes 22 on the filtering plate 21, the filtering plate 21 filters out large impurities with the pore size larger than that of the filtering holes 22, the filtered large impurities are gathered into the collecting box 23 under the action of gravity, the filtered sewage flows out of the first box 11 and then flows into the third box 13 through the sewage discharge pipeline 7, the sewage flows in the third box 13 through gaps among the gravels 131, small impurities in the sewage are partially filtered in the third box 13, the sewage flows out of the third box 13 and then flows through the sewage discharge pipeline 7 and finally flows into the second box 12, when the sewage passes through the non-woven fabric 421 and the activated carbon 422 in the second box 12, the small impurities in the sewage are filtered by the filtering bag 42 in the filtering rack 41, and are filtered by the non-woven fabric 421 and the activated carbon 422, the sewage flows to a sewage treatment device 8 through a sewage discharge pipeline 7.

When cleaning and replacing the filter assembly 1, firstly, discharging sewage in the sewage pipeline 7, then, beginning to overhaul the first box 11, applying a vertical upward force to the filter plate 21 by a worker pulling the hook 52 to drive the spring 51 to stretch so that the hook 52 is separated from the snap ring 53, applying a force to one end, far away from the hinged end, of the box cover 112 to enable the box cover 112 to rotate around the hinged shaft to open the first box 11, applying a vertical upward force to the filter plate 21 to drive the filter plate 21 and the collection box 23 to move upwards, driving the T-shaped sliding block 32 to slide in the sliding groove 31 by the filter plate 21, cleaning large sundries in the filter plate 21 and the collection box 23 by the worker after the filter plate 21 and the collection box 23 are separated from the first box 11, placing the filter plate 21 and the collection box 23 into the first box 11 after cleaning is finished, rotating the box cover 112 to seal the first box 11, and then pulling the hook 52 to enable the hook; then overhaul second case 12, the workman drags the handle 43 on second case 12 top, drives the interior filter rack 41 of second case 12 and filters package 42 and break away from second case 12 through inserting groove 121, then the workman inserts new filter rack 41 and filters package 42 and insert in second case 12, and the clearance of filter assembly 1 is changed and is accomplished, and to sum up, through above-mentioned step, reached the purpose that reduces debris and get into sewage treatment plant 8.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a drain preprocessing device, includes sewage pipes (7), its characterized in that: the sewage pipeline (7) is connected with a filtering component (1), the filtering component (1) comprises a first box (11) and a second box (12), the first box (11) is communicated with the second box (12) through the sewage pipeline (7), a primary filtering system (2) is arranged in the first box (11), and a secondary filtering system (4) is arranged in the second box (12).

2. A drain pretreatment device according to claim 1, characterized in that: one-level filtration system (2) includes filter (21), the vertical setting of filter (21) is in first case (11), the lateral wall butt of filter (21) and first case (11), case mouth (111) have been seted up on first case (11) top, be provided with between the lateral wall of filter (21) and first case (11) slip subassembly (3), slip subassembly (3) supply filter (21) to slide from top to bottom in case mouth (111) department, filtration pore (22) have been seted up to the lateral wall of filter (21), filtration pore (22) run through filter (21), filter (21) bottom fixedly connected with collects box (23).

3. A drain pretreatment device according to claim 2, characterized in that: the sliding assembly (3) comprises a sliding groove (31) and a sliding block (32), the sliding groove (31) is formed in the side wall of the first box (11), the sliding block (32) is connected in the sliding groove (31) in a sliding mode, and the sliding block (32) is fixedly connected with the filtering plate (21).

4. A drain pretreatment device according to claim 1, characterized in that: the secondary filter system (4) comprises a filter frame (41), wherein a filter bag (42) is fixedly connected in the filter frame (41), the filter bag (42) comprises non-woven gauze (421), at least two pieces of non-woven gauze (421) are arranged, and activated carbon (422) particles are filled between the non-woven gauze (421).

5. A drain pretreatment device according to claim 4, characterized in that: a plurality of filter frames (41) are arranged in the second box (12), each filter frame (41) is internally fixedly connected with a filter bag (42), a plurality of inserting grooves (121) are formed in the top of the second box (12), and each filter frame (41) is inserted into the second box (12) through the inserting grooves (121).

6. A drain pretreatment device according to claim 1, characterized in that: a third box (13) is arranged between the first box (11) and the second box (12), the third box (13) is communicated with the first box (11) and the second box (12) through a sewage discharge pipeline (7), gravels (131) are arranged in the third box (13), and the third box (13) is filled with the gravels (131).

7. A drain pretreatment device according to claim 2, characterized in that: the top of first case (11) is provided with case lid (112), the airtight case mouth (111) of first case (11) of case lid (112), and case lid (112) one end is articulated with the lateral wall of first case (11), keeps away from articulated one end and is provided with joint subassembly (5), and joint subassembly (5) supply the airtight first case (11) of case lid (112).

8. A drain pretreatment device according to claim 7, characterized in that: clamping subassembly (5) include spring (51), couple (52) and snap ring (53), and spring (51) one end and the lateral wall fixed connection of first case (11), the other end and couple (52) fixed connection, snap ring (53) and case lid (112) fixed connection, couple (52) joint is in snap ring (53).

Images