CN216005422U - Novel coagulating sedimentation tank - Google Patents
Novel coagulating sedimentation tank Download PDFInfo
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- CN216005422U CN216005422U CN202121079903.5U CN202121079903U CN216005422U CN 216005422 U CN216005422 U CN 216005422U CN 202121079903 U CN202121079903 U CN 202121079903U CN 216005422 U CN216005422 U CN 216005422U
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Abstract
The utility model discloses a novel coagulating sedimentation tank, which mainly comprises the following components: the pond body is divided into three parts by the first partition plate and the second partition plate, the pond body is located the left area of the first partition plate and is a preposed settling zone, the area that the first partition plate and the second partition plate are formed is a coagulation dosing zone, the area that is located the right side of the first partition plate and the right area of the second partition plate in the pond body is a postposition settling zone, the left sludge discharge pipe is installed in the preposed settling zone, the left central cylinder is installed in the preposed settling zone, the left overflow weir is installed at the left side of the first partition plate and is close to the top, the right sludge discharge pipe is installed in the postposition settling zone, the right central cylinder is installed in the postposition settling zone, and the right overflow weir is installed at the right side of the inner wall of the pond body and is close to the top. The utility model has stable and reliable operation and high efficiency, reduces sludge and impurities in the wastewater through natural precipitation in the preposed precipitation zone, and can effectively save the dosing amount of PAC and PAM, thereby saving the operation cost.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a novel coagulating sedimentation tank.
Background
The coagulating sedimentation tank is one of sedimentation tanks in waste water treatment. The coagulation process is the most basic and very important treatment process in the treatment of industrial water and domestic sewage, and by adding some medicaments (generally called coagulant and coagulant aid) into water, particles which are difficult to precipitate in the water can be polymerized with each other to form colloid, and then are combined with impurities in the water body to form larger floccules. The flocculating constituent has strong adsorption capacity, can adsorb suspended matters, and can adsorb partial bacteria and soluble substances. The flocs sink down by increasing their volume through adsorption. Under the action of coagulant, the colloid and fine suspended matter in waste water are coagulated into floc and separated out. The application of the coagulating sedimentation method in water treatment is very wide, and the coagulating sedimentation method can not only reduce the sensory indexes of the raw water such as turbidity, chromaticity and the like, but also remove various toxic and harmful pollutants. The existing coagulation sedimentation tank is generally divided into a coagulation tank body and a sedimentation tank body, the coagulation tank body enters a sedimentation zone for sedimentation separation after full coagulation, the dosage of the chemicals to be added is large, and the operation cost is high. In addition, after precipitation, the supernatant liquid needs to be extracted by using a pipeline. The pumping pipe needs to be put into the pool every time of pumping, which is very tedious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defects in the prior art are overcome, and the novel coagulating sedimentation tank is stable and reliable in operation and high in efficiency, reduces sludge and impurities in wastewater through natural sedimentation in a preposed sedimentation area, and can effectively save the dosing amount of PAC and PAM, so that the operation cost is saved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel coagulation sedimentation tank comprises a sludge tank sludge inlet pipe, a sludge pump, a tank body, a left sludge discharge pipe, a left central cylinder, a water inlet pipe, a left overflow weir, a second partition plate, a PAC dosing pipe, a PAM dosing pipe, a mechanical stirring unit, a right central cylinder, a right overflow weir, a right sludge discharge pipe, a first partition plate, a preposed sedimentation zone, a coagulation dosing zone and a postposition sedimentation zone, wherein the first partition plate is fixedly arranged in the tank body, the second partition plate is fixedly arranged on the first partition plate, the first partition plate and the second partition plate divide the tank body into three parts, the tank body is positioned in the left area of the first partition plate and is the preposed sedimentation zone, the area formed by the first partition plate and the second partition plate is the coagulation dosing zone, the areas positioned on the right side of the first partition plate and the right side of the second partition plate in the tank body are the postposition sedimentation zone, the left sludge discharge pipe is arranged in the preposed sedimentation zone and is connected with the sludge pump through a pipeline, the left central cylinder is installed in the preposed settling zone, the water inlet pipe is installed at the center of the top surface of the left central cylinder, the left overflow weir is installed at the left side of the first partition plate and is close to the top end, the PAC dosing pipe and the PAM dosing pipe are installed in a top surface installation hole of the coagulation dosing zone, the mechanical stirring unit is installed in the coagulation dosing zone, the right sludge discharge pipe is installed in the postposition settling zone and is connected with a sludge pump through a pipeline, the right central cylinder is installed in the postposition settling zone, the right overflow weir is installed at the right side of the inner wall of the tank and is close to the top surface, and the sludge inlet pipe of the sludge tank is connected with the sludge pump through a pipeline.
As a preferred embodiment of the present invention, the left central cylinder is composed of a left central cylinder body, a left support frame and a left reflection plate, the left support frame is fixedly installed on the outer wall of the left central cylinder body, an installation hole is arranged on the top surface of the left central cylinder body, and the left reflection plate is installed at the bottom of the left central cylinder body.
As a preferred embodiment of the present invention, the right central cylinder is composed of a right central cylinder body, a right support frame and a right reflection plate, the right support frame is fixedly installed on the outer wall of the right central cylinder body, the right central cylinder body is provided with a radial installation hole, and the right reflection plate is installed at the bottom of the right central cylinder body.
As a preferred embodiment of the present invention, the top end of the first partition plate is provided with a water through hole so that the left overflow weir is communicated with the coagulation dosing region.
As a preferred embodiment of the utility model, the coagulation and dosing area is communicated with the right central cylinder through a pipeline.
In a preferred embodiment of the present invention, the left overflow weir and the right overflow weir are both provided with sawtooth grooves.
In a preferred embodiment of the utility model, the bottom of the front settling zone and the bottom of the rear settling zone are both provided with a conical hopper.
The utility model is formed by sequentially connecting a preposed precipitation area, a coagulation dosing area and a postposition precipitation area in series; the front settling zone and the rear settling zone are respectively provided with a left central cylinder and a right central cylinder, and the lower part of the left central cylinder and the lower part of the right central cylinder are respectively provided with a left reflecting plate and a right reflecting plate; the wastewater enters the left central cylinder from the water inlet pipe and enters the preposed settling area through the left central cylinder to flow downwards, and the wastewater and the sludge are dispersed to the periphery due to the action of the left reflecting plate; the wastewater in the coagulation dosing region enters the right central cylinder through a pipeline and enters the post-settling region through the right central cylinder to move downwards, and the wastewater and sludge are dispersed to the periphery under the action of the right reflecting plate; the bottoms of the two settling zones are provided with mud hoppers, sludge and impurities are gathered to one point of the mud hoppers and then discharged by a left mud discharge pipe and a right mud discharge pipe which are arranged at the bottoms of the mud hoppers, and the mud discharge pipes are connected with a sludge pump so as to be beneficial to discharging the sludge; the front settling zone and the rear settling zone are respectively provided with a zigzag left overflow weir and a zigzag right overflow weir, clear water after settling overflows from the right overflow weir, and the outer edge of the zigzag can block floating sludge; the front end of the coagulation dosing zone is provided with a PAC dosing pipe and a mechanical stirring unit, and the rear end of the coagulation dosing zone is provided with a PAM dosing pipe and a mechanical stirring unit; PAC and PAM allow sludge and impurities in wastewater to settle better and faster.
The working principle of the utility model is as follows: waste water firstly enters a left central cylinder in a preposed settling zone through a water inlet pipe, the waste water is dispersed to the periphery in the preposed settling zone through the action of a left reflecting plate, partial sludge and impurities are precipitated to a mud bucket due to the action of gravity, sludge and impurities which are not precipitated enter a left overflow weir together with the waste water, the waste water automatically flows into a coagulation dosing zone, PAC and PAM solutions are sequentially added into the waste water in the coagulation dosing zone, the waste water is uniformly mixed with the waste water under the action of a mechanical stirring unit, sludge and impurities in the water form large flocs under the action of a medicament, the sludge and the impurities enter a right central cylinder of a postposition settling zone through a pipeline, finally, the sludge flocs are precipitated to the postposition settling zone mud bucket and then are discharged through a right mud discharge pipe, and supernatant enters the overflow weir and is discharged in an automatic flow manner.
Compared with the prior art, the utility model has the following advantages: the front settling zone and the rear settling zone are respectively provided with a left central cylinder and a right central cylinder so as to be beneficial to settling sludge and impurities in the wastewater; the lower parts of the left central cylinder and the right central cylinder are respectively provided with a left reflecting plate and a right reflecting plate, so that the precipitated sludge and impurities are dispersed to the periphery; the bottom of each of the front settling zone and the rear settling zone is provided with a mud bucket and a mud pipe so as to facilitate the discharge of mud; the coagulation dosing zone is provided with a PAC (programmable automation controller) and PAM (polyacrylamide) dosing system and mechanical stirring, the PAC and the PAM can help sludge and impurities to precipitate, and the sludge and the impurities in the wastewater are reduced through natural precipitation of the preposed precipitation zone, so that the dosing amount of the PAC and the PAM can be effectively saved, and the operation cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the construction of the left center barrel of the present invention;
FIG. 4 is a schematic view of the construction of the right central cartridge of the present invention;
FIG. 5 is a schematic view of the construction of the left and right weirs of the present invention.
Description of reference numerals:
1: mud pipe is advanced to sludge impoundment, 2: sludge pump, 3: a tank body, 4: left mud pipe, 5: left central cylinder, 6: inlet tube, 7: left overflow weir, 8: second partition plate, 9: PAC dosing tube, 10: PAM dosing tube, 11: mechanical stirring unit, 12: right center cylinder, 13: right overflow weir, 14: right mud pipe, 15: first partition plate, 16: pre-settling zone, 17: coagulation dosing zone, 18: a post-settling zone;
501: left central cylinder, 502: left support, 503: a left reflective plate;
1201: right central cylinder, 1202: right support frame, 1203: and a right reflective plate.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 5, which illustrate a specific embodiment of the present invention, as shown in the drawings, the novel coagulation sedimentation tank disclosed by the present invention comprises a sludge tank sludge inlet pipe 1, a sludge pump 2, a tank body 3, a left sludge discharge pipe 4, a left central cylinder 5, a water inlet pipe 6, a left overflow weir 7, a second partition plate 8, a PAC dosing pipe 9, a PAM dosing pipe 10, a mechanical stirring unit 11, a right central cylinder 12, a right overflow weir 13, a right sludge discharge pipe 14, a first partition plate 15, a pre-sedimentation zone 16, a coagulation dosing zone 17 and a post-sedimentation zone 18, wherein the first partition plate 15 is fixedly installed in the tank body 3, the second partition plate 8 is fixedly installed on the first partition plate 15, the first partition plate 15 and the second partition plate 8 divide the tank body 3 into three parts, a region on the left side of the first partition plate 15 is the pre-sedimentation zone 16, a region composed of the first partition plate 15 and the second partition plate 8 is the coagulation dosing zone 17, the area on the right side of the first partition plate 15 and the area on the right side of the second partition plate 8 in the tank body 3 is a rear settling zone 18, the left sludge discharge pipe 4 is installed in the front settling zone 16, the left sludge discharge pipe 4 is connected with the sludge pump 2 through a pipeline, the left center cylinder 5 is installed in the front settling zone 16, the water inlet pipe 6 is installed at the center of the top surface of the left center cylinder 5, the left overflow weir 7 is installed at the position close to the top end of the left side surface of the first partition plate 15, the PAC dosing pipe 9 and the PAM dosing pipe 10 are installed in the top surface installation hole of the coagulation dosing zone 17, the mechanical stirring unit 11 is installed in the coagulation dosing zone 17, the right sludge discharge pipe 14 is installed in the rear settling zone 18, the right sludge discharge pipe 14 is connected with the sludge pump 2 through a pipeline, the right center cylinder 12 is installed in the rear settling zone 18, the right overflow weir 13 is installed at the position close to the top surface on the right side surface of the inner wall of the tank body 3, the sludge inlet pipe 1 of the sludge tank is connected with a sludge pump 2 through a pipeline.
Preferably, the left central cylinder 5 is composed of a left central cylinder 501, a left support frame 502 and a left reflection plate 503, the left support frame 502 is fixedly installed on the outer wall of the left central cylinder 501, an installation hole is formed in the top surface of the left central cylinder 501, and the left reflection plate 503 is installed at the bottom of the left central cylinder 501.
Preferably, the right central cylinder 12 is composed of a right central cylinder 1201, a right support frame 1202 and a right reflection plate 1203, the right support frame 1202 is fixedly installed on the outer wall of the right central cylinder 1201, the right central cylinder 1201 is provided with a radial installation hole, and the right reflection plate 1203 is installed at the bottom of the right central cylinder 1201.
Preferably, the top end of the first partition plate 15 is provided with a water through hole so that the left overflow weir 7 is communicated with the coagulation and dosing region 17.
Preferably, the coagulation dosing area 17 is communicated with the right central cylinder 12 through a pipeline.
Preferably, the left overflow weir 7 and the right overflow weir 13 are both provided with sawtooth grooves.
Preferably, the bottom of the front settling zone 16 and the bottom of the rear settling zone 18 are both provided with a conical hopper.
The utility model is formed by sequentially connecting a front-mounted precipitation zone 16, a coagulation dosing zone 17 and a rear-mounted precipitation zone 18 in series; the front settling zone 16 and the rear settling zone 18 are respectively provided with a left central cylinder 5 and a right central cylinder 12, and the lower part of the left central cylinder 5 and the lower part of the right central cylinder 12 are respectively provided with a left reflecting plate 503 and a right reflecting plate 1203; the wastewater enters the left central cylinder 5 from the water inlet pipe 6 and enters the preposed settling area 16 through the left central cylinder 5 to flow downwards, and the wastewater and the sludge are dispersed around due to the action of the left reflecting plate 503; the wastewater in the coagulation and chemical adding area 17 enters the right central cylinder 12 through a pipeline and enters the post-deposition area 18 through the right central cylinder 12 to move downwards, and the wastewater and the sludge are dispersed around due to the action of the right reflection plate 1203; the bottoms of the two sedimentation zones are provided with mud hoppers, sludge and impurities are gathered to one point of the mud hoppers and then discharged by a left mud discharge pipe 4 and a right mud discharge pipe 14 which are arranged at the bottoms of the mud hoppers, and the mud discharge pipes are connected with a sludge pump 2 so as to be beneficial to discharging the sludge; the front settling zone 16 and the rear settling zone 18 are respectively provided with a zigzag left overflow weir 7 and a zigzag right overflow weir 13, clear water after settling overflows from the right overflow weir 13, and the outer edge of the zigzag can block floating sludge; the front end of the coagulation dosing zone 17 is provided with a PAC dosing pipe 9 and a mechanical stirring unit 11, and the rear end is provided with a PAM dosing pipe 10 and a mechanical stirring unit 11; PAC and PAM allow sludge and impurities in wastewater to settle better and faster.
The working principle of the utility model is as follows: the wastewater firstly enters a left central tube 5 in a preposed settling zone 16 through a water inlet pipe 6, is dispersed to the periphery in the preposed settling zone 16 under the action of a left reflecting plate 503, part of sludge and impurities are precipitated to a mud bucket under the action of gravity, sludge and impurities which are not precipitated enter a left overflow weir 7 along with the wastewater, automatically flow to a coagulation dosing zone 17, PAC and PAM solutions are sequentially added into the wastewater in the coagulation dosing zone 17, and are uniformly mixed with the wastewater under the action of a mechanical stirring unit 11, the sludge and the impurities in the water form large flocs under the action of a medicament, and finally the large flocs enter a right central tube 12 of a postposition settling zone 18 through a pipeline, finally precipitate to the mud bucket of the postposition settling zone 18, are discharged through a right sludge discharge pipe 14, and supernatant enters a right overflow weir 13 and is automatically discharged.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (7)
1. The utility model provides a novel coagulating sedimentation tank which characterized in that: comprises a sludge inlet pipe of a sludge tank, a sludge pump, a tank body, a left sludge discharge pipe, a left central cylinder, a water inlet pipe, a left overflow weir, a second partition plate, a PAC dosing pipe, a PAM dosing pipe, a mechanical stirring unit, a right central cylinder, a right overflow weir, a right sludge discharge pipe, a first partition plate, a preposed settling zone, a coagulation dosing zone and a postposition settling zone, wherein the first partition plate is fixedly arranged in the tank body, the second partition plate is fixedly arranged on the first partition plate, the first partition plate and the second partition plate divide the tank body into three parts, the tank body is positioned in the left area of the first partition plate and is the preposed settling zone, the area formed by the first partition plate and the second partition plate is the coagulation dosing zone, the areas positioned on the right side of the first partition plate and the right side of the second partition plate in the tank body are the postposition settling zone, the left sludge discharge pipe is arranged in the preposed settling zone and is connected with the sludge pump through a pipeline, the left central cylinder is installed in the preposed settling zone, the water inlet pipe is installed at the center of the top surface of the left central cylinder, the left overflow weir is installed at the left side of the first partition plate and is close to the top end, the PAC dosing pipe and the PAM dosing pipe are installed in a top surface installation hole of the coagulation dosing zone, the mechanical stirring unit is installed in the coagulation dosing zone, the right sludge discharge pipe is installed in the postposition settling zone and is connected with a sludge pump through a pipeline, the right central cylinder is installed in the postposition settling zone, the right overflow weir is installed at the right side of the inner wall of the tank and is close to the top surface, and the sludge inlet pipe of the sludge tank is connected with the sludge pump through a pipeline.
2. The novel coagulating sedimentation tank as claimed in claim 1, wherein: the left center cylinder is composed of a left center cylinder body, a left support frame and a left reflection plate, the left support frame is fixedly installed on the outer wall of the left center cylinder body, a mounting hole is formed in the top face of the left center cylinder body, and the left reflection plate is installed at the bottom of the left center cylinder body.
3. The novel coagulating sedimentation tank as claimed in claim 1, wherein: the right central cylinder is composed of a right central cylinder body, a right supporting frame and a right reflecting plate, the right supporting frame is fixedly installed on the outer wall of the right central cylinder body, a radial installation hole is formed in the right central cylinder body, and the right reflecting plate is installed at the bottom of the right central cylinder body.
4. The novel coagulating sedimentation tank as claimed in claim 1, wherein: and the top end of the first partition plate is provided with a water passing hole so that the left overflow weir is communicated with the coagulation dosing area.
5. The novel coagulating sedimentation tank as claimed in claim 1, wherein: the coagulation dosing area is communicated with the right central cylinder through a pipeline.
6. The novel coagulating sedimentation tank as claimed in claim 1, wherein: and the left overflow weir and the right overflow weir are both provided with sawtooth grooves.
7. The novel coagulating sedimentation tank as claimed in claim 1, wherein: the bottom of the front settling zone and the bottom of the rear settling zone are both provided with a conical hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121079903.5U CN216005422U (en) | 2021-05-21 | 2021-05-21 | Novel coagulating sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121079903.5U CN216005422U (en) | 2021-05-21 | 2021-05-21 | Novel coagulating sedimentation tank |
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| Publication Number | Publication Date |
|---|---|
| CN216005422U true CN216005422U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121079903.5U Active CN216005422U (en) | 2021-05-21 | 2021-05-21 | Novel coagulating sedimentation tank |
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|---|---|
| CN (1) | CN216005422U (en) |
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2021
- 2021-05-21 CN CN202121079903.5U patent/CN216005422U/en active Active
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