CN215026260U

CN215026260U - Spiral circulation grit chamber for sewage treatment

Info

Publication number: CN215026260U
Application number: CN202121378368.3U
Authority: CN
Inventors: 张毅
Original assignee: Yangzhou Xinji Water Technology Co ltd
Current assignee: Yangzhou Xinji Water Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-07
Anticipated expiration: 2031-06-21

Abstract

The utility model is suitable for a sewage treatment device production field provides a heliciform circulation grit chamber for sewage treatment, including whirl agitating unit, sand-water separation desanding device, fine sand collecting pit, desanding device switch bottom, central fixing device and driving motor, the top of whirl agitating unit is equipped with driving motor, air pump connecting pipe and mortar conveyer pipe, is equipped with the external pipeline mounting flange of sewage on the lateral wall of whirl agitating unit, and the inside of whirl agitating unit still is equipped with arc mud anti-deposition rotary disk, the utility model discloses simple structure, desanding are high-efficient, easy operation; the utility model can effectively prevent the situation that sand at the lowest part of the rotational flow stirring device is compacted due to excessive sand deposition at one time by arranging the heptagonal material-dividing rotating device and the middle mortar clapboard; the utility model discloses still prevent the deposit rotary disk through being equipped with arc mud and can effectually prevent the grit deposit, very big extraction that has made things convenient for small-size slush pump has improved and has taken out sand efficiency.

Description

Spiral circulation grit chamber for sewage treatment

Technical Field

The utility model belongs to sewage treatment device production field especially relates to a heliciform circulation grit chamber for sewage treatment.

Background

The sewage is inevitably mixed into the silt in the migration, flow and collection processes. If the sand in the sewage is not removed by settlement separation in advance, the operation of subsequent treatment equipment can be influenced. The most important is to abrade the pump, block the pipe network, and interfere or even destroy the biochemical treatment process. The grit chamber comprises inflow port, egress port, grit zone, sand hopper, turbine drive arrangement and sand discharge system etc.. Sewage flows into the sand settling area from the tangential direction of the inflow port, and the water inlet channel is provided with a water falling weir, so that sand possibly deposited at the bottom of the channel slides downwards into the sand settling tank; and a baffle is also arranged, so that water flow and sand flow toward the bottom of the sand basin when entering the sand basin, and the wall attachment effect is enhanced. The middle of the grit chamber is provided with a speed-adjustable paddle board to keep the water flow in the chamber circulating. The paddle board, the baffle and the water inlet flow are combined together, the rotating turbine blade enables sand grains to flow spirally, separation of organic matters and the sand grains is promoted, and due to different centrifugal forces, the sand grains with higher relative density are thrown to the pool wall and sink into the sand hopper under the action of gravity; and the lighter organic matters are separated from the sand in the middle part of the grit chamber, and the organic matters are taken out of the chamber along with the effluent cyclone. By adjusting the rotating speed, the optimal sand setting effect can be achieved. The sand in the sand hopper can be removed by air lifting, sand discharging by a sand discharging pump and the like, and the sand-water separation is carried out to achieve the standard of clean sand discharging.

However, the existing sand basin for sewage treatment generally has the problems that sand and stone and slurry at the bottom of the basin are inconvenient to clean and are easy to accumulate to cause the blockage of the gauze inside the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heliciform circulation grit chamber for sewage treatment aims at solving the inconvenient clearance of gravel and sand and slurry of current grit chamber ubiquitous bottom of the pool for sewage treatment, piles up the problem that leads to the inside gauze of pipeline to block up easily.

The utility model discloses a realize like this, a heliciform circulation grit chamber for sewage treatment, including whirl agitating unit, sand-water separation sand removal device, fine sand collecting pit, sand removal device switch bottom, central fixing device and driving motor, its characterized in that: the top of the rotational flow stirring device is provided with the driving motor, the air pump connecting pipe and the mortar conveying pipe, the side wall of the rotational flow stirring device is provided with a sewage external pipeline mounting flange, the bottom of the rotational flow stirring device is provided with a base supporting column, one side of the base supporting column, which is far away from the rotational flow stirring device, is provided with a stirring device fixing base, the side wall of the rotational flow stirring device is also provided with the center fixing device, one side of the center fixing device, which is far away from the rotational flow stirring device, is provided with the sand-water separation desanding device, the positive end surface outer wall of the sand-water separation desanding device is provided with a mortar observing device, the top of the sand-water separation desanding device is connected with the mortar conveying pipe, the bottom cover rotating device is arranged on the bottom outer wall of the sand-water separation desanding device, one side of the bottom cover rotating device, which is far away from the sand-water separation desanding device, is provided with the sand removal device switch bottom cover, the sand-water separation sand removing device is characterized in that a bottom cover fixing fastener is further arranged on the outer wall of the front end face of the sand-water separation sand removing device, a bottom cover fixing device is arranged on the outer wall of the front end face of a switch bottom cover of the sand removing device, the bottom cover fixing fastener and the bottom cover fixing device are detachably connected through a fixing tightening bolt, the fine sand collecting tank is arranged at the bottom of the sand-water separation sand removing device, a motor driving shaft is arranged inside the rotational flow stirring device, a slurry pump guide pipe is arranged at the bottom of the motor driving shaft, a middle mortar partition plate is further arranged inside the rotational flow stirring device, a mortar flow hole is formed in the middle mortar partition plate, a 6-rod rotating device is further arranged on the motor driving shaft, a stirring impeller is arranged on one side, away from the motor driving shaft, of the 6-rod rotating device, a seven-angle material cutting rotating device is further arranged on the motor driving shaft, and a small slurry pump is further arranged on the slurry pump guide pipe, and an arc-shaped mud deposition-preventing rotating disc is also arranged in the rotational flow stirring device.

Further, the drive motor and the small mud pump are electrically connected to an external power source through wires.

Furthermore, the mortar observation device is made of toughened glass.

Furthermore, the connection mode of the rotational flow stirring device and the base support column is welding.

Furthermore, the inner wall and the outer wall of the rotational flow stirring device and the sand-water separation and desanding device are coated with antirust paint.

Still further, the swirling stirring device is an aluminum alloy member subjected to chamfering treatment.

About implementing the utility model discloses a beneficial technological effect does: the utility model has simple structure, high efficiency of sand removal and simple operation; the utility model can effectively prevent the situation that sand at the lowest part of the rotational flow stirring device is compacted due to excessive sand deposition at one time by arranging the heptagonal material-dividing rotating device and the middle mortar clapboard; the utility model also can effectively prevent sand deposition by arranging the arc mud anti-deposition rotating disc, greatly facilitates the extraction of the small-sized slurry pump, improves the sand extraction efficiency, and indirectly improves the sand removal efficiency, thereby improving the efficiency of sewage treatment; the utility model discloses still make things convenient for the observation of taking out sand efficiency through being equipped with mortar viewing device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing an internal structure of a swirling flow stirring device;

FIG. 3 is a plan view of the internal structure of the swirling stirring device;

fig. 4 is a front view of the present invention;

fig. 5 is a left side view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, a heliciform circulation grit chamber for sewage treatment, including whirl agitating unit 1, sand-water separation sand removal device 2, fine sand collecting pit 3, sand removal device switch bottom 4, central fixing device 5 and driving motor 6, its characterized in that: the top of the rotational flow stirring device 1 is provided with a driving motor 6, an air pump connecting pipe 9 and a mortar conveying pipe 11, the side wall of the rotational flow stirring device 1 is provided with a sewage external pipeline mounting flange 10, the bottom of the rotational flow stirring device 1 is provided with a base supporting column 7, one side of the base supporting column 7, which is far away from the rotational flow stirring device 1, is provided with a stirring device fixing base 8, the side wall of the rotational flow stirring device 1 is also provided with a central fixing device 5, one side of the central fixing device 5, which is far away from the rotational flow stirring device 1, is provided with a sand-water separation desanding device 2, the outer wall of the positive end surface of the sand-water separation desanding device 2 is provided with a mortar observing device 12, the top of the sand-water separation desanding device 2 is connected with the mortar conveying pipe 11, the outer wall of the bottom of the sand-water separation desanding device 2 is provided with a bottom cover rotating device 25, one side of the bottom cover rotating device 25, which is far away from the sand-water separation desanding device 2, is provided with a desanding device switch bottom cover 4, a bottom cover fixing fastener 13 is further arranged on the outer wall of the front end face of the sand-water separation and sand removal device 2, a bottom cover fixing device 23 is arranged on the outer wall of the front end face of a sand-water separation and sand removal device switch bottom cover 4, the bottom cover fixing fastener 13 and the bottom cover fixing device 23 are detachably connected through a fixing and tightening bolt 24, a fine sand collecting tank 3 is arranged at the bottom of the sand-water separation and sand removal device 2, a motor driving shaft 14 is arranged inside the rotational flow stirring device 1, a guide pipe 15 is arranged at the bottom of the motor driving shaft 14, an intermediate mortar partition plate 16 is further arranged inside the rotational flow stirring device 1, a mortar flow hole 17 is arranged on the intermediate mortar partition plate 16, a 6-rod rotating device 18 is further arranged on the motor driving shaft 14, a stirring impeller 19 is arranged on one side, away from the motor driving shaft 14, a seven-angle material dividing rotating device 22 is further arranged on the motor driving shaft 14, and a small-size mud pump 20 is further arranged on the mud pump guide pipe 15, the interior of the rotational flow stirring device 1 is also provided with an arc-shaped mud deposition-preventing rotating disc 21.

The drive motor 6 and the small mud pump 20 are electrically connected with an external power supply through leads to provide the electric energy required by the running of the mechanism.

The mortar observation device 12 is made of toughened glass, so that the mortar observation device is firm and convenient to observe.

The connection mode of the rotational flow stirring device 1 and the base support column 7 is welding, and the welding mode is firm.

The inner wall and the outer wall of the rotational flow stirring device 1 and the sand-water separation and desanding device 2 are coated with antirust paint, so that good rust removal treatment is achieved.

The rotational flow stirring device 1 is an aluminum alloy member subjected to chamfering treatment, and prevents an operator from being accidentally injured by the corners of the mechanism.

The utility model discloses an external pipeline mounting flange 10 of sewage connects outside sewage transmission pipeline, and driving motor 6 and small-size slush pump 20 start after connecting external power supply through the wire the utility model discloses a stirring vane wheel 19 can make the sand grain whereabouts, and the sand grain descends the utility model discloses an on the middle mortar baffle 16, seven angles are drawn material rotary device 22 and are drawn the sand grain and drop to the anti-deposition rotary disk 21 of arc mud through mortar discharge hole 17, then absorb to in the sand-water separation sand removal device 2 through small-size slush pump 20.

The beneficial effects of the utility model reside in that: the utility model has simple structure, high efficiency of sand removal and simple operation; the utility model can effectively prevent the situation that sand at the lowest part of the rotational flow stirring device 1 is compacted due to excessive sand deposition at one time by arranging the heptagonal material-dividing rotating device 22 and the middle mortar clapboard 16; the utility model also can effectively prevent sand deposition by arranging the arc-shaped mud anti-deposition rotating disc 21, greatly facilitates the extraction of the small-sized mud pump 20, improves the sand extraction efficiency, and indirectly improves the sand removal efficiency, thereby improving the sewage treatment efficiency; the utility model discloses still make things convenient for the observation of taking out sand efficiency through being equipped with mortar viewing device 12.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a heliciform circulation grit chamber for sewage treatment, includes whirl agitating unit (1), sand-water separation sand removal device (2), fine sand collecting pit (3), sand removal device switch bottom (4), central fixing device (5) and driving motor (6), its characterized in that: the top of the rotational flow stirring device (1) is provided with the driving motor (6), an air pump connecting pipe (9) and a mortar conveying pipe (11), the side wall of the rotational flow stirring device (1) is provided with a sewage external pipeline mounting flange (10), the bottom of the rotational flow stirring device (1) is provided with a base supporting column (7), one side of the base supporting column (7) far away from the rotational flow stirring device (1) is provided with a stirring device fixing base (8), the side wall of the rotational flow stirring device (1) is also provided with the central fixing device (5), one side of the central fixing device (5) far away from the rotational flow stirring device (1) is provided with the sand-water separation desanding device (2), the positive end surface outer wall of the sand-water separation desanding device (2) is provided with a mortar observation device (12), and the top of the sand-water separation desanding device (2) is connected with the mortar conveying pipe (11), the bottom outer wall of the sand-water separation desanding device (2) is provided with a bottom cover rotating device (25), one side, far away from the sand-water separation desanding device (2), of the bottom cover rotating device (25) is provided with the desanding device switch bottom cover (4), the front end outer wall of the sand-water separation desanding device (2) is further provided with a bottom cover fixing fastener (13), the front end outer wall of the desanding device switch bottom cover (4) is provided with a bottom cover fixing device (23), the bottom cover fixing fastener (13) and the bottom cover fixing device (23) are detachably connected through a fixing tightening bolt (24), the bottom of the sand-water separation desanding device (2) is provided with the fine sand collecting tank (3), the inside of the rotational flow stirring device (1) is provided with a motor driving shaft (14), the bottom of the motor driving shaft (14) is provided with a slurry pump guide pipe (15), the inside of whirl agitating unit (1) still is equipped with middle mortar baffle (16), be equipped with mortar flow hole (17) on middle mortar baffle (16), still be equipped with 6 pole rotary device (18) on motor drive shaft (14), keep away from 6 pole rotary device (18) one side of motor drive shaft (14) is equipped with impeller (19), still be equipped with seven angles on motor drive shaft (14) and draw material rotary device (22), still be equipped with small-size slush pump (20) on slush pump pipe (15), the inside of whirl agitating unit (1) still is equipped with arc mud and prevents deposit rotary disk (21).

2. The spiral circulation grit chamber for sewage treatment as claimed in claim 1, wherein: the driving motor (6) and the small-sized slurry pump (20) are electrically connected with an external power supply through leads.

3. The spiral circulation grit chamber for sewage treatment as claimed in claim 1, wherein: the mortar observation device (12) is made of toughened glass.

4. The spiral circulation grit chamber for sewage treatment as claimed in claim 1, wherein: the connection mode of the rotational flow stirring device (1) and the base support column (7) is welding.

5. The spiral circulation grit chamber for sewage treatment as claimed in claim 1, wherein: and the inner walls and the outer walls of the cyclone stirring device (1) and the sand-water separation and desanding device (2) are coated with antirust paint.

6. The spiral circulation grit chamber for sewage treatment as claimed in claim 1, wherein: the rotational flow stirring device (1) is an aluminum alloy member subjected to chamfering treatment.