CN216755681U

CN216755681U - Integrated small sewage pretreatment equipment

Info

Publication number: CN216755681U
Application number: CN202122688132.6U
Authority: CN
Inventors: 欧少清; 陈勇; 于海红; 张小青
Original assignee: Zhongshan Environmental Protection Industrial Co ltd
Current assignee: Zhongshan Environmental Protection Industrial Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-06-17
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an integrated small sewage pretreatment device which comprises a rack, wherein a water distributor is arranged on the rack, a scum removing structure is arranged in the water distributor, a filter screen assembly is arranged below the water distributor, and a sand basin is arranged below the filter screen assembly. The utility model has the advantages of small occupied area, low cost, strong processing capability, low energy consumption and high integration level.

Description

Integrated small sewage pretreatment equipment

Technical Field

The utility model relates to the technical field of sewage pretreatment equipment, in particular to integrated small-sized sewage pretreatment equipment.

Background

The integrated sewage pretreatment equipment is front-end equipment for rural sewage treatment equipment, and is used for filtering impurities in sewage and precipitating silt during operation, so that a water pump is protected, and biochemical operation load is reduced.

The existing operating rural integrated sewage treatment equipment has small monomer scale, dispersed equipment, small occupied area and high cost control requirement.

The existing grating machine filters large-particle impurities in sewage, but does not act on silt, and has large floor area, high energy consumption and high investment cost; the existing desilting basin has the effects on silt but floating slag and light garbage, occupies large area and has long construction time; if large-particle impurities, scum and silt need to be filtered, the grating machine and the desilting tank are matched for use, so that the occupied area is large, and the investment cost is high.

The present invention has been made based on such a situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the integrated small sewage pretreatment equipment which has the advantages of small occupied area, low cost, strong treatment capacity, low energy consumption and high integration level, and the integrated small sewage pretreatment equipment can filter large-particle impurities, scum and silt.

The utility model is realized by the following technical scheme:

the utility model provides a small-size sewage pretreatment equipment of integration, includes the frame, be equipped with the water-locator in the frame, be equipped with descumming structure in the water-locator, the water-locator below is equipped with the filter screen subassembly, filter screen subassembly below is equipped with the desilting pond.

As above a small-size sewage pretreatment equipment of integration, the filter screen subassembly includes filter screen support, be equipped with the first filter screen and the second filter screen that the slope set up on the filter screen support, the second filter screen is established in first filter screen below or is connected below first filter screen, first filter screen inclination is greater than the inclination of second filter screen.

According to the integrated small sewage pretreatment equipment, the mesh number of the first filter screen is larger than that of the second filter screen.

As above a small-size sewage pretreatment equipment of integration, the filter screen support upper end is rotated and is connected in the frame, the filter screen support lower extreme is equipped with the adjusting device that can adjust the height of filter screen support lower extreme and then adjust filter screen support inclination.

As above, the adjusting device comprises a screw rod arranged on the rack, the side edge of the filter screen support is provided with a wing plate with a hole, the wing plate can be sleeved on the screw rod and can slide up and down, and the screw rod is provided with an adjusting nut used for fixing the wing plate.

The integrated small sewage pretreatment equipment comprises a water tank, wherein a water inlet is formed in the water tank, an overflow baffle is arranged on one side, facing the first filter screen, of the water tank, the scum removing structure comprises a scum baffle arranged between the overflow baffle and the water inlet, and a water passing gap is formed between the lower end of the scum baffle and the bottom surface of the water tank.

According to the integrated small sewage pretreatment equipment, the upper end of the overflow baffle is uniformly provided with the water distribution sawteeth.

According to the integrated small sewage pretreatment equipment, the sand blocking table is arranged at the bottom of the sand settling tank, the overflow weir is arranged at one end, far away from the filter screen assembly, of the sand settling tank, and the water outlet is formed in the upper part of the side wall of the overflow weir.

According to the integrated small sewage pretreatment equipment, the sand blocking platforms are provided with a plurality of sand blocking platforms which are arranged at intervals.

According to the integrated small sewage pretreatment equipment, settling tanks are defined by adjacent sand blocking tables and between the sand blocking tables and the box body of the sand basin, and sand discharge ports are respectively arranged at the bottoms of the settling tanks.

Compared with the prior art, the utility model has the following advantages:

1. the utility model integrates scum filtration, large particle impurity screening and sediment sedimentation into a whole, is miniaturized and equipment, and has the advantages of high efficiency, low cost, low energy consumption and small occupied area. During sewage promoted the water-locator from collecting for the sewage pump for the pipeline, filter at the water-locator front end and float miscellaneous, then flow into the filter screen subassembly automatically, the filter screen subassembly has the doublestage screen cloth, and sewage flows through the screen cloth from the top down, keeps apart large granule impurity on the screen cloth, and sewage after the filtration gets into improvement type desilting basin, deposits silt, and water after the filtration gets into other processing procedures through the elevator pump. In addition, the utility model needs to actively pump the sewage into the water distributor, and the rest parts depend on the self-flow of the water, so the utility model has the advantages of low energy consumption, low operation cost, low vibration and low noise, can continuously operate, and has simple maintenance and management; no complex structure, few easily damaged parts, low maintenance cost and long service life.

2. The first filter screen and the second filter screen form a double-stage screen, sewage is filtered in a grading mode, the filtering efficiency is high, and the filtering effect is good. First filter screen and second filter screen all are the slope setting, can rely on the impact of falling into water like this in time to wash away rubbish, avoid the filter residue to pile up on the filter screen and block the filter screen. Particularly, take the sewage of large granule impurity on down flowing to first filter screen earlier from last, sewage sees through, and large granule impurity is left and is piled up gradually in the lower part of first filter screen, nevertheless because first filter screen is the slope setting, can strike accumulational large granule impurity when sewage whereabouts on first filter screen, goes on the second filter screen towards large granule impurity to avoid large granule impurity to block up first filter screen. Of course, part of the sewage falling onto the first filter screen also has certain impact on the impurities on the second filter screen. First filter screen inclination is greater than the inclination of second filter screen, and first filter screen is comparatively steep and the second filter screen is comparatively slow promptly also, and first filter screen is comparatively steep is for making the sewage of whereabouts have sufficient impact force, and the second filter screen is comparatively slow is for separating large granule impurity and wherein smuggleing a small amount of sewage secretly to avoid partial sewage directly to wash away along with large granule impurity.

3. The scum baffle intercepts scum, and the residual sewage passes through the water passing gap and finally overflows from the overflow baffle. The scum baffle can effectively intercept scum, and has simple structure and low cost.

4. The sand settling tank mainly has the function of settling the silt, and the sand blocking platforms are both the functions of overflow plates, so that the water flow speed is reduced in a grading manner, the silt is blocked, and the silt is settled. Keep off husky platform and be equipped with a plurality of and interval arrangement, the sewage that contains silt carries out multistage overflow and subsides in the desilting pond, and the device is simple, efficient, subside effectual.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 3, the integrated small sewage pretreatment apparatus includes a frame 1, a water distributor 2 is disposed on the frame 1, a scum removing structure for blocking scum is disposed in the water distributor 2, a filter screen assembly 3 is disposed below the water distributor 2, and a sand basin 4 is disposed below the filter screen assembly 3.

The utility model integrates scum filtration, large particle impurity screening and sediment sedimentation into a whole, is miniaturized and equipment, and has the advantages of high efficiency, low cost, low energy consumption and small occupied area. During sewage promoted water-locator 2 from collecting for the pipeline sewage pump, filtered at 2 front ends of water-locator and floated miscellaneous, then flow into filter screen subassembly 3 by oneself, filter screen subassembly 3 has the doublestage screen cloth, and sewage flows through the screen cloth from the top down, keeps apart large granule impurity on the screen cloth, and sewage after the filtration gets into improvement type desilting basin 4, deposits silt, and water after the filtration gets into other processing procedures through the elevator pump. In addition, except that the sewage is required to be actively pumped into the water distributor 2, the rest parts of the sewage flow automatically by depending on water, so the sewage distributor has the advantages of low energy consumption, low operation cost, low vibration and low noise, can continuously operate, and is simple to maintain and manage; no complex structure, few vulnerable parts, low maintenance cost and long service life.

In a more specific embodiment of the present invention, the filter screen assembly 3 includes a filter screen bracket 31, the filter screen bracket 31 is provided with a first filter screen 32 and a second filter screen 33 which are obliquely arranged, the second filter screen 33 is arranged below the first filter screen 32 or connected below the first filter screen 32, and the inclination angle of the first filter screen 32 is greater than that of the second filter screen 33. That is, the first filter screen 32 and the second filter screen 33 constitute a double-stage screen, so that sewage is filtered in a grading manner, the filtering efficiency is high, and the filtering effect is good. First filter screen 32 and second filter screen 33 all are the slope setting, can rely on the impact of falling into water in time to wash away rubbish like this, avoid the filter residue to pile up on the filter screen and block the filter screen. Particularly, take sewage of large granule impurity down flow to first filter screen 32 on from last earlier on, sewage sees through, and large granule impurity is left and is piled up gradually in the lower part of first filter screen 32, but because first filter screen 32 is the slope setting, can assault accumulational large granule impurity when sewage falls on first filter screen 32, goes on second filter screen 33 to large granule impurity is gone to avoid large granule impurity to block up first filter screen 32. Of course, part of the sewage falling onto the first filter 32 will also have a certain impact on the impurities on the second filter 33. The inclination angle of the first filter 32 is larger than that of the second filter 33, that is, the first filter 32 is relatively steep and the second filter 33 is relatively gentle, the first filter 32 is relatively steep so as to enable the falling sewage to have enough impact force, and the second filter 33 is relatively gentle so as to separate large-particle impurities and a small amount of sewage carried in the large-particle impurities, so as to prevent part of the sewage from directly being washed away along with the large-particle impurities.

In a more specific embodiment of the utility model, the mesh size of the first filter 32 is greater than the mesh size of the second filter 33. That is, the mesh of the first filter 32 is relatively fine, and the mesh of the second filter 33 is relatively coarse. The first filter screen 32 is steep, the impact force of water is large, the first filter screen is not easy to block, meshes can be arranged to be fine, large-particle impurities can be filtered, and most of silt and water can pass through the first filter screen; the second filter 33 is relatively slow and easy to block, so the mesh is relatively thick, mainly separating large particle impurities and water therein.

In a more specific embodiment of the present invention, the upper end of the screen bracket 31 is rotatably connected to the frame 1, and the lower end of the screen bracket 31 is provided with an adjusting device capable of adjusting the height of the lower end of the screen bracket 31 and thus adjusting the inclination angle of the screen bracket 31. Like this can adjust the inclination of first filter screen 32 and second filter screen 33 to the different operating modes of adaptation: the water in the water distributor 2 is quick and has large flow, and the angle of the filter screen bracket 31 can be adjusted to be small, so that the problem that the impact force of the water flow is too large to cause poor filtering effect is avoided; if not, the angle of the screen support 31 should be increased.

In a more specific embodiment of the present invention, the adjusting device includes a screw 11 disposed on the frame 1, a perforated wing 311 is disposed on a side of the strainer holder 31 and can be sleeved on the screw 11 to slide up and down, and an adjusting nut 111 for fixing the wing 311 is disposed on the screw 11. That is, the wing plate 311 is lifted on the screw rod 11 by rotating the adjusting nut 111, so as to drive the lower end of the strainer holder 31 to turn over up and down. Of course, the hole of the wing plate 311 is a strip-shaped hole, and when the lower end of the strainer holder 31 moves up and down, the screw 11 has a certain displacement in the hole of the wing plate 311. Of course, the adjusting nuts 111 are preferably provided in two numbers, which are respectively attached to the upper and lower surfaces of the fixing wing 311.

In a more specific embodiment of the present invention, the water distributor 2 comprises a water tank 21, the water tank 21 is provided with a water inlet 22, a side of the water tank 21 facing the first filter 32 is provided with an overflow baffle 23, the descumming structure comprises a scum baffle 24 arranged between the overflow baffle 23 and the water inlet 22, and a water gap 241 is arranged between the lower end of the scum baffle 24 and the bottom surface of the water tank 21. That is, after the sewage enters the water tank 21 from the water inlet 22, the sewage overflows to the lower side of the scum baffle 24, the scum baffle 24 intercepts scum, and the remaining sewage passes through the water passing slit 241 and finally overflows from the overflow baffle 23. The scum baffle 24 can effectively intercept scum, and has simple structure and low cost.

In a more specific embodiment of the present invention, a water inlet groove 25 is provided at the water inlet 22, and the water inlet 22 is provided at the bottom of the water inlet groove 25. The water inlet tank 25 has an overflow function.

In a more specific embodiment of the present invention, the overflow baffle 23 is uniformly provided with water dividing serrations 231 at its upper end. The water distribution saw teeth 231 allow the water to flow out more uniformly so that the water can flow uniformly onto the filter screen below.

In a more specific embodiment of the present invention, a sand blocking table 41 is disposed at the bottom of the sand basin 4, an overflow weir 42 is disposed at an end of the sand basin 4 away from the filter screen assembly 3, and a water outlet 43 is disposed at an upper portion of a sidewall of the overflow weir 42. The sand sedimentation tank 4 mainly plays a role in sedimentation of sediment, and the sand blocking platforms 41 play a role in overflow plates, so that the water flow speed is reduced in a grading manner, the sediment is blocked, and the sediment is settled.

In a more specific embodiment of the utility model, the sand blocking table 41 is provided with a plurality of sand blocking tables which are arranged at intervals. The sewage containing silt is subjected to multistage overflow and sedimentation in the sedimentation tank 4, and the device is simple, high in efficiency and good in sedimentation effect.

In a more specific embodiment of the utility model, a settling tank is defined between the adjacent sand blocking platforms 41 and between the sand blocking platforms 41 and the box body of the sand basin 4, and the bottom of the settling tank is respectively provided with a sand discharge port 44. Preferably, the left and right side walls of the settler are sloped to direct silt towards the sand discharge opening 44. The sand discharge port 44 is used to remove settled silt for subsequent treatment.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a small-size sewage pretreatment equipment of integration which characterized in that: the water distributor comprises a frame (1), be equipped with water-locator (2) in frame (1), be equipped with the dross structure in water-locator (2), water-locator (2) below is equipped with filter screen subassembly (3), filter screen subassembly (3) below is equipped with desilting pond (4).

2. The integrated small scale sewage pretreatment apparatus of claim 1, wherein: filter screen subassembly (3) include filter screen support (31), be equipped with first filter screen (32) and second filter screen (33) that the slope set up on filter screen support (31), establish in first filter screen (32) below or connect below first filter screen (32) second filter screen (33), first filter screen (32) inclination is greater than the inclination of second filter screen (33).

3. The integrated small scale sewage pretreatment apparatus of claim 2, wherein: the mesh number of the first filter screen (32) is larger than that of the second filter screen (33).

4. An integrated small scale sewage pretreatment apparatus according to claim 2 or 3, characterized in that: the upper end of the filter screen support (31) is rotatably connected to the rack (1), and the lower end of the filter screen support (31) is provided with an adjusting device which can adjust the height of the lower end of the filter screen support (31) and further adjust the inclination angle of the filter screen support (31).

5. The integrated small scale sewage pretreatment apparatus of claim 4, wherein: adjusting device is including locating screw rod (11) on frame (1), thereby filter screen support (31) side is equipped with foraminiferous pterygoid lamina (311) that can overlap on screw rod (11) gliding from top to bottom, be equipped with on screw rod (11) and be used for adjusting nut (111) of fixed pterygoid lamina (311).

6. The integrated small scale sewage pretreatment apparatus of claim 1, wherein: water distributor (2) include water tank (21), be equipped with water inlet (22) on water tank (21), one side that water tank (21) orientation first filter screen (32) is equipped with overflow baffle (23), descumming structure is including establishing dross baffle (24) between overflow baffle (23) and water inlet (22), be equipped with between dross baffle (24) lower extreme and water tank (21) bottom surface and cross water gap (241).

7. The integrated small scale sewage pretreatment apparatus of claim 6, wherein: the upper end of the overflow baffle (23) is uniformly provided with water-dividing sawteeth (231).

8. The integrated small scale sewage pretreatment apparatus of claim 1, wherein: the bottom of the sand basin (4) is provided with a sand blocking platform (41), one end of the sand basin (4) far away from the filter screen assembly (3) is provided with an overflow weir (42), and the upper part of the side wall of the overflow weir (42) is provided with a water outlet (43).

9. The integrated small scale wastewater pretreatment apparatus of claim 8, wherein: the sand blocking table (41) is provided with a plurality of sand blocking tables which are arranged at intervals.

10. The integrated small scale wastewater pretreatment apparatus of claim 9, wherein: and a settling tank is defined by the adjacent sand blocking platforms (41) and the box body of the sand basin (4), and the bottom of the settling tank is respectively provided with a sand discharge port (44).