CN215275892U - Water treatment sedimentation tank - Google Patents
Water treatment sedimentation tank Download PDFInfo
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- CN215275892U CN215275892U CN202022876285.9U CN202022876285U CN215275892U CN 215275892 U CN215275892 U CN 215275892U CN 202022876285 U CN202022876285 U CN 202022876285U CN 215275892 U CN215275892 U CN 215275892U
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- screw conveyor
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Abstract
The utility model provides a water treatment sedimentation tank, includes clear water district, settling zone, transition district and mud extrusion district from top to bottom in proper order in sedimentation tank inside, and the cell body is equipped with inlet tube and outlet pipe, is equipped with the water distribution device of intaking that meets with the inlet tube in the cell body, and the water distribution device of intaking sets up at the middle part in clear water district and settling zone, is equipped with the clear device of drawing of mud in mud extrusion district. The sludge clearing device comprises a sludge collecting bucket wheel, a vertical screw conveyor, a transverse screw conveyor, a large scraper and a sludge collecting bucket wheel rotary driving device, wherein the sludge collecting bucket wheel is positioned at the inlet of the vertical screw conveyor at the bottom of a sludge extrusion area, a sludge outlet of the vertical screw conveyor is connected with the inlet of the transverse screw conveyor, the large scraper is arranged on the upper part of the sludge extrusion area and synchronously rotates with the sludge collecting bucket wheel, and the vertical screw conveyor, the large scraper and the sludge collecting bucket wheel are coaxially arranged. The utility model discloses a lower mud of sewage and direct discharge moisture content just can be handled to the water treatment sedimentation tank need not add water treatment medicament.
Description
Technical Field
The utility model relates to a water purification field, especially a water treatment sedimentation tank.
Background
At present, most of sludge precipitated in a sedimentation tank (including a clarification tank) commonly used in the water treatment industry is discharged by a hydraulic sludge discharge method. The discharged sludge has a very high water content, and it is necessary to add a sludge dehydrating agent to the discharged sludge and dehydrate the sludge by a centrifuge or the like. The sludge treatment process is complicated and uneconomical, the equipment investment is large, the treatment cost is high, and the water quality of water discharged after sludge dehydration is polluted by the added dehydrating agent and cannot be recycled.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a water treatment sedimentation tank aiming at the defects of the prior art, the water treatment sedimentation tank of the invention can treat sewage and directly discharge sludge with lower moisture content without adding water treatment agent.
The to-be-solved technical problem of the utility model is realized through following technical scheme, a water treatment sedimentation tank, including the cell body, sedimentation tank is inside from top to bottom includes clear water district, settling zone, transition district and mud extrusion district in proper order, and its characteristics are: the tank body is provided with a water inlet pipe and a water outlet pipe, a water inlet and distribution device connected with the water inlet pipe is arranged in the tank body, the water inlet and distribution device is arranged in the middle of the clear water area and the sedimentation area, and a sludge cleaning device is arranged in the sludge extrusion area.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, the staving of water distribution device for setting up an inverse hanging at the middle part of clear water district and settling zone is intake, and the upper portion and the inlet tube of staving meet, and the lower port of staving sets up to the mouth of a river of joining in marriage.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, be equipped with the water-collecting device that meets with the outlet pipe in the clear water district on cell body upper portion.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, water-collecting device is eight limit annular collector tube structures that the level was arranged, and evenly open on the annular collector tube has the water-collecting hole.
The to-be-solved technical problem of the utility model can also further realize through following technical scheme, the clear device of drawing of mud is including album mud bucket wheel, vertical screw conveyer, horizontal screw conveyer, big scraper blade and collection mud bucket wheel rotary drive device, and the import department that collection mud bucket wheel is located the vertical screw conveyer of mud extrusion district bottom, and vertical screw conveyer's play mud mouth meets with horizontal screw conveyer's import, and big scraper blade setting rotates on the upper portion of mud extrusion district and with collection mud bucket wheel is synchronous, vertical screw conveyer, big scraper blade and the coaxial setting of collection mud bucket wheel.
The to-be-solved technical problem of the utility model can also further realize through following technical scheme, collection mud bucket wheel comprises little scraper group and scraper group, and little scraper group sets up in vertical screw conveyer's import top, scraper group around vertical screw conveyer's import setting and upwards with little scraper group fixed connection.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and big scraper blade is provided with a plurality of on horizontal xarm and scrapes mud to vertical screw conveyer's doctor-bar by horizontal xarm.
The to-be-solved technical problem of the utility model can also further realize through following technical scheme, at the coaxial sleeve pipe that is provided with in vertical screw conveyer's outside, collection mud bucket wheel and big scraper blade all realize synchronous rotation with sleeve pipe fixed connection.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, vertical screw conveyer's outer tube is rotatory outer tube, and collection mud bucket wheel and big scraper blade all realize synchronous rotation with vertical screw conveyer's outer tube fixed connection. Compared with the prior art, the utility model, the raw water gets into water distribution device through the inlet tube, gets into the settling zone, and aquatic mud granule sinks under the effect of gravity, and the clear water that deposits out flows to play water-collecting device and flows through the outlet pipe. When sludge is accumulated to a certain height on the upper part of the sludge extrusion area, the sludge cleaning device runs, scrapes sludge into the inlet at the bottom of the vertical spiral under the common action of the large scraper and the sludge collecting bucket wheel, and then is conveyed to the horizontal spiral conveyor by the vertical spiral conveyor to be output. The utility model discloses a lower mud of sewage and direct discharge moisture content just can be handled to the water treatment sedimentation tank need not add water treatment medicament.
Drawings
FIG. 1 is a schematic diagram of a type I structure of a sedimentation tank;
FIG. 2 is a schematic view of a type II sedimentation tank;
FIG. 3 is a schematic view of a III-type structure of a sedimentation tank;
FIG. 4 is a schematic diagram of a settling pond located underground;
FIG. 5 is a schematic view of a semi-underground settling tank;
FIG. 6 is a schematic structural view of a water outlet device (in the direction of C-C);
FIG. 7 is a sectional view taken along line A-A of the mud bucket wheel;
FIG. 8 is a sectional view taken along line B-B of the mud bucket wheel;
fig. 9 is a structure view of a large squeegee.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, and in order to make those skilled in the art understand the present invention further, the embodiments of the present invention will be described in detail and fully with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The utility model provides a water treatment sedimentation tank, includes the cell body, and sedimentation tank is inside from top to bottom includes clear water district, settling zone, transition district and mud extrusion district in proper order, and its characteristics are: the tank body is provided with a water inlet pipe and a water outlet pipe, a water inlet and distribution device connected with the water inlet pipe is arranged in the tank body, the water inlet and distribution device is arranged in the middle of the clear water area and the sedimentation area, and a sludge cleaning device is arranged in the sludge extrusion area. The water inlet and distribution device is an inverted barrel body arranged in the middle of the clear water area and the sedimentation area, the upper part of the barrel body is connected with the water inlet pipe, and the lower port of the barrel body is a water distribution port.
A water collecting device connected with a water outlet pipe is arranged in the clear water area at the upper part of the tank body.
The water collecting device is of an eight-side annular water collecting pipe structure which is horizontally arranged, and water collecting holes are uniformly formed in the annular water collecting pipe.
The sludge clearing device comprises a sludge collecting bucket wheel, a vertical screw conveyor, a transverse screw conveyor, a large scraper and a sludge collecting bucket wheel rotary driving device, wherein the sludge collecting bucket wheel is positioned at the inlet of the vertical screw conveyor at the bottom of a sludge extrusion area, a sludge outlet of the vertical screw conveyor is connected with the inlet of the transverse screw conveyor, the large scraper is arranged on the upper part of the sludge extrusion area and synchronously rotates with the sludge collecting bucket wheel, and the vertical screw conveyor, the large scraper and the sludge collecting bucket wheel are coaxially arranged.
The mud collecting bucket wheel is composed of a small scraper group and a scraper group, the small scraper group is arranged above an inlet of the vertical spiral conveyor, and the scraper group is arranged around the inlet of the vertical spiral conveyor and is upwards fixedly connected with the small scraper group.
The large scraper consists of a horizontal cross arm, and a plurality of scraping blades for scraping sludge to the vertical screw conveyer are arranged on the horizontal cross arm.
The to-be-solved technical problem of the utility model can also further realize through following technical scheme, at the coaxial sleeve pipe that is provided with in vertical screw conveyer's outside, collection mud bucket wheel and big scraper blade all realize synchronous rotation with sleeve pipe fixed connection.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, vertical screw conveyer's outer tube is rotatory outer tube, and collection mud bucket wheel and big scraper blade all realize synchronous rotation with vertical screw conveyer's outer tube fixed connection. As shown in the figure 1, the sedimentation tank I-shaped structure schematic diagram of the invention comprises a tank body 1 (the tank body can be a cylindrical tank body or a square tank body), a water inlet pipe 2, a water inlet and distribution device 3, a water outlet pipe 4, a water outlet device 7, a sludge cleaning device and the like. The water inlet and distribution device 3 is a circular or polygonal cylinder, is vertically suspended in the center of the clear water area (A) and the sedimentation area (B), and is positioned above the transition area (C). The water inlet pipe 2 is communicated with a water inlet and distribution device 3.
The water outlet device 7 is a mother branch pipe water collecting device or a water collecting device formed by a circular ring-shaped or polygonal ring-shaped water collecting pipe and is horizontally arranged in a clear water area (A) at the upper part of the sedimentation tank. For example, fig. 6 shows a water collecting device formed by a horizontal octagonal annular water collecting pipe, and water collecting holes are uniformly formed in the annular water collecting pipe.
The sludge clearing device comprises a sludge collecting bucket wheel, a vertical screw conveyor 6, a transverse screw conveyor 20, a large scraper 24, a sludge collecting bucket wheel rotation driving device and the like.
The sludge collecting bucket wheel is positioned at the bottom of the sludge extrusion area (D), and the sludge collecting bucket wheel is composed of a small scraper blade group 5 and a scraper blade group 10. Fig. 7 shows a scraper group consisting of 2 scrapers (note: a scraper group consisting of 1 or more than 2 scrapers is also possible). The scraper bucket is an arc-shaped scraper blade which is shaped like an arc-shaped bottom plate of a bucket wheel machine. The scraper can push the sludge entering the scraper toward the center while rotating around the center in the direction shown in fig. 7.
Fig. 8 shows a small scraper group consisting of 2 scrapers (note: a scraper group consisting of 1 or more than 2 scrapers is also available), and the mud scraping front surface of the scraper is also an arc-shaped surface shaped like the bottom plate of the bucket wheel machine. The scraper blade is longer than the scraper blade, and rotatory mud scraping range that gets up is bigger than the scraper blade mud scraping range, and the effect of scraper blade is scraped to the scraper blade with mud on a large scale, and the effect of scraper blade is that the mud that scrapes the scraper blade pushes into the entry of 6 lower extremes of vertical screw conveyer.
As shown in fig. 1, the structural schematic diagram of the type i of the sedimentation tank is that the small scraper group 5 is installed at the lower end of a sleeve 12 which drives a mud collecting bucket wheel to rotate, the sleeve 12 is sleeved outside the vertical screw conveyer 6, but the sleeve 12 is not connected with the vertical screw conveyer 6, and the upper end of the sleeve 12 is fixed on a device which drives the mud collecting bucket wheel to rotate.
The driving mud bucket wheel rotating device is composed of a sleeve 12, a large gear 16, an axial bearing 13 (which also serves as a radial bearing), a radial bearing 14, a speed reducer (including a motor) 17 with a driving pinion gear and the like. The tight ring of the axial bearing 13 is located on the annular plate of the vertical screw conveyor 6, and the loose ring supports and drives the mud collecting bucket wheel rotating device. The lower end of the vertical screw conveyor 6 pipe is fixed on the tank bottom, and the vertical screw conveyor 6 pipe bears the whole weight of the driving mud collecting bucket wheel rotating device through the axial bearing 13. The axial bearing 13 (also used as a radial bearing) and the radial bearing 14 are connected by a straight pipe sleeved on the vertical screw conveyor 6, the axial bearing 13 (also used as a radial bearing) is connected with a large gear, and the large gear is connected with the sleeve 12.
The mud collecting bucket wheel is sleeved at a mud inlet of the vertical screw conveyor 6, a speed reducer (comprising a motor) with a driving pinion drives a gear wheel to rotate, the gear wheel drives the mud collecting bucket wheel to rotate through a sleeve 12, mud around the mud collecting bucket wheel is scraped into the mud inlet of the vertical screw conveyor 6 in a rotating mode, the vertical screw conveyor 6 conveys the mud to the horizontal screw conveyor 20, and the horizontal screw conveyor 20 conveys the mud to the mud dropping pipe 9 and then discharges the mud out of the pool.
The sedimentation tank structure shown in the II-type structural schematic diagram of the sedimentation tank in fig. 2 is characterized in that a mud collecting bucket wheel is sleeved at a mud inlet of a vertical screw conveyor 6 and fixed at the lower end of the 6 pipe of the vertical screw conveyor, a gear wheel of a driving mud collecting bucket wheel rotating device is fixed on the upper portion of the 6 pipe of the vertical screw conveyor, and the driving mud collecting bucket wheel rotating device drives the 6 pipe of the vertical screw conveyor to rotate and drives the mud collecting bucket wheel to rotate through the 6 pipe of the vertical screw conveyor. The weight of the driving hopper-wheel rotating device and the vertical screw conveyor 6 is carried by the axial bearing 21. The radial bearing 22 and the radial bearing 23 are sleeved on the vertical spiral conveyor 6 pipe and bear the radial force of the vertical spiral conveyor 6 pipe. An axial bearing 21, a radial bearing 22 and a radial bearing 23 are mounted on the cell body frame. In a descriptive sense, the mud collecting bucket wheel fixed at the lower end of the vertical screw conveyor 6 pipe is suspended on the axial bearing 21 by the vertical screw conveyor 6 pipe, and the radial bearing 22 and the radial bearing 23 keep the vertical screw conveyor 6 pipe not to swing left and right in the rotating process.
As shown in fig. 9, the large squeegee 24 is composed of a horizontal cross arm 25 and n wiper blades 11, and the wiper blades 11 are welded to the bottom surface of the horizontal cross arm 25. When the large scraper 24 horizontally rotates as shown in the figure, the nth scraper scrapes mud into a ring (n is 1, 2, 3, 4 …) scraped by the (n-1) th scraper, for example, the (ninh) th scraper scrapes mud into a ring scraped by the (ninh) th scraper, the (th) th scraper scrapes mud into a ring scraped by the (c) th scraper, and so on.
The large scraper 24 shown in the structural schematic diagram of the sedimentation tank I in FIG. 1 is positioned at the upper part of a sludge extrusion area (D), a horizontal cross arm 25 of the large scraper is horizontally fixed on a sleeve 12, and the large scraper 24 horizontally rotates along with the sleeve 12; the large scraper 24 shown in the II-type structural schematic diagram of the sedimentation tank in figure 2 is positioned at the upper part of the sludge extrusion area (D), the horizontal cross arm 25 of the large scraper is horizontally fixed on the vertical screw conveyor 6 pipe, and the large scraper 24 horizontally rotates along with the vertical screw conveyor 6 pipe. The large scraper 24 scrapes sludge above the height of the large scraper into the surrounding area of the vertical spiral pipe in the rotating process. The sludge scraped into the surrounding area of the vertical spiral pipe falls to the bottom and is output by the vertical spiral conveyer 6.
The sedimentation tank shown in the III type structural schematic diagram of the sedimentation tank in figure 3 is provided with a sludge pit 26, and a sludge collecting bucket wheel is arranged at the bottom of the sludge pit 26. The rest of the structure of the sedimentation tank shown in the III-type structure schematic diagram of the sedimentation tank in the figure 3 is the same as the I-type structure and the II-type structure of the sedimentation tank. The height of the sludge extrusion zone (D) of the III type sedimentation tank is lower, and the sludge extrusion is mainly carried out in the sludge pit 26, so that the height of the tank body is reduced, and the construction cost is saved.
The water treatment sedimentation tank of the present invention may be installed on the ground, or may be installed underground or semi-underground, the sedimentation tank shown in fig. 1, 2 and 3 is located on the ground, the water treatment sedimentation tank shown in fig. 4 is located underground, and a part of the water treatment sedimentation tank shown in fig. 5 is located underground and the other part is located on the ground.
Principle of operation
According to the direction shown in the figure, raw water enters the water inlet and distribution device 3 through the water inlet pipe 2, uniformly flows out of the lower part of the water inlet and distribution device 3, enters the sedimentation area (B), and then uniformly flows to the water outlet device 7. In the process that the raw water flows upwards to the water outlet device 7, sludge particles in the water sink under the action of gravity, and the settled clean water flows to the water outlet water collecting device 7 and flows out through the water outlet pipe 4.
The settled sludge particles fall into the upper part of the sludge extrusion area (D) through the transition area (C) according to the direction shown in the figure. When sludge is accumulated to a certain height on the upper part of the sludge extrusion area (D), the sludge cleaning device operates, sludge above the sludge extrusion area (D) is scraped to the area around the vertical spiral pipe by the large scraper 24 and falls to the lower part according to the direction shown by the arrow in the figure, and then is scraped into the inlet at the bottom of the vertical spiral pipe by the sludge collecting bucket wheel, and then is conveyed to the horizontal spiral conveyor by the vertical spiral conveyor to be output.
Claims (8)
1. The utility model provides a water treatment sedimentation tank, includes the cell body, and inside clear water district, settling zone, transition district and the mud extrusion district of including in proper order from top to bottom of cell body, its characterized in that: the tank body is provided with a water inlet pipe and a water outlet pipe, a water inlet and distribution device connected with the water inlet pipe is arranged in the tank body, the water inlet and distribution device is arranged in the middle of the clear water area and the sedimentation area, and a sludge cleaning device is arranged in the sludge extrusion area;
the sludge clearing device comprises a sludge collecting bucket wheel, a vertical screw conveyor, a transverse screw conveyor, a large scraper and a sludge collecting bucket wheel rotary driving device, wherein the sludge collecting bucket wheel is positioned at the inlet of the vertical screw conveyor at the bottom of a sludge extrusion area, a sludge outlet of the vertical screw conveyor is connected with the inlet of the transverse screw conveyor, the large scraper is arranged on the upper part of the sludge extrusion area and synchronously rotates with the sludge collecting bucket wheel, and the vertical screw conveyor, the large scraper and the sludge collecting bucket wheel are coaxially arranged.
2. The water treatment sedimentation tank of claim 1, wherein: the water inlet and distribution device is an inverted barrel body arranged in the middle of the clear water area and the sedimentation area, the upper part of the barrel body is connected with the water inlet pipe, and the lower port of the barrel body is a water distribution port.
3. The water treatment sedimentation tank of claim 1, wherein: a water collecting device connected with a water outlet pipe is arranged in the clear water area at the upper part of the tank body.
4. A water treatment sedimentation tank as claimed in claim 3, wherein: the water collecting device is of an eight-side annular water collecting pipe structure which is horizontally arranged, and water collecting holes are uniformly formed in the annular water collecting pipe.
5. The water treatment sedimentation tank of claim 1, wherein: the mud collecting bucket wheel is composed of a small scraper group and a scraper group, the small scraper group is arranged above an inlet of the vertical spiral conveyor, and the scraper group is arranged around the inlet of the vertical spiral conveyor and is upwards fixedly connected with the small scraper group.
6. The water treatment sedimentation tank of claim 1, wherein: the large scraper consists of a horizontal cross arm, and a plurality of scraping blades for scraping sludge to the vertical screw conveyer are arranged on the horizontal cross arm.
7. The water treatment sedimentation tank of claim 1, wherein: a sleeve is coaxially arranged outside the vertical screw conveyor, and the mud collecting bucket wheel and the large scraper are fixedly connected with the sleeve to realize synchronous rotation.
8. The water treatment sedimentation tank of claim 1, wherein: the outer tube of the vertical screw conveyer is a rotary outer tube, and the mud collecting bucket wheel and the large scraper are fixedly connected with the outer tube of the vertical screw conveyer to realize synchronous rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876285.9U CN215275892U (en) | 2020-12-04 | 2020-12-04 | Water treatment sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876285.9U CN215275892U (en) | 2020-12-04 | 2020-12-04 | Water treatment sedimentation tank |
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| Publication Number | Publication Date |
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| CN215275892U true CN215275892U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022876285.9U Active CN215275892U (en) | 2020-12-04 | 2020-12-04 | Water treatment sedimentation tank |
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| CN (1) | CN215275892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482260A (en) * | 2022-01-14 | 2022-05-13 | 海口永祺环保设备技术有限公司 | Sewage treatment pond with steel fixed knot constructs |
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2020
- 2020-12-04 CN CN202022876285.9U patent/CN215275892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482260A (en) * | 2022-01-14 | 2022-05-13 | 海口永祺环保设备技术有限公司 | Sewage treatment pond with steel fixed knot constructs |
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