CN216604162U - Lime softening density sedimentation tank for reclaimed water station - Google Patents
Lime softening density sedimentation tank for reclaimed water station Download PDFInfo
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- CN216604162U CN216604162U CN202123321549.5U CN202123321549U CN216604162U CN 216604162 U CN216604162 U CN 216604162U CN 202123321549 U CN202123321549 U CN 202123321549U CN 216604162 U CN216604162 U CN 216604162U
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Abstract
The application discloses well water station lime softens density sedimentation tank, including the sedimentation tank, bottom in the sedimentation tank is equipped with the mud scraper, install the support in the sedimentation tank, install the pipe chute on the support, just still equidistant a plurality of baffles of being fixed with on the support, the baffle will a plurality of regions are cut apart into to the support, the upper end equidistant of sedimentation tank is equipped with a plurality of water catch tanks, a week equidistant of sedimentation tank is equipped with a plurality of flocculation tanks, just be equipped with a plurality of intake chambers on the support, the intake chamber with the flocculation tank one-to-one, install the baffle in the flocculation tank. This application has improved each mixing efficiency who adds medicine stage sewage and medicament through the optimal design to density sedimentation tank, and the edulcoration is efficient, and wadding ability reinforce, the throughput is strong, can accomplish better edulcoration and precipitation under the velocity of flow of difference, stabilizes the ionic strength and the pH value of normal water, and equipment can be normal operating when the clearance, does not influence the use.
Description
Technical Field
The utility model relates to the technical field of reclaimed water treatment, in particular to a lime softening density sedimentation tank of a reclaimed water station.
Background
During the use process of the reclaimed water station, the indexes of calcium ions and magnesium ions in the inlet water are high, and the ions can form scale with anions (such as CO32-, HCO3-, SO42-) in the water due to concentration on the concentrated water side of the RO membrane, thereby influencing the normal and stable operation of the membrane system. Because of the characteristics of large wastewater quantity, high hardness and the like of the project, a chemical method with less investment is generally adopted to remove the hardness.
In the reclaimed water treatment process, the residence time of water in the pond is short, the problem that the used water is unstable is often generated by the water used in a factory, when the water yield is too large, the pH value of the discharged water fluctuates, so that the subsequent membrane group is easy to pollute and block, the cleaning frequency of the membrane group is increased, the operating rate of a reclaimed water station is influenced, the sludge accumulated in an inclined pipe is required to be regularly cleaned for improving the cleaning efficiency, the production is influenced due to the fact that equipment cannot normally run in the cleaning process, and therefore the lime softening and compacting sedimentation tank for the reclaimed water station is designed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The application provides a lime softening density sedimentation tank for a reclaimed water station, and solves the problems that when water treatment equipment is used for treating sewage with large fluctuation of flow, the fluctuation of the pH value is large, the treatment of a subsequent membrane group is influenced, and the water treatment equipment is not easy to clean.
The application provides a lime softening density sedimentation tank for a reclaimed water station, which comprises a sedimentation tank, wherein a mud scraper is arranged at the bottom in the sedimentation tank, a support is installed in the sedimentation tank, an inclined pipe is installed on the support, a plurality of partition plates are fixed on the support at equal intervals, the support is divided into a plurality of areas by the partition plates, a plurality of water collecting tanks are arranged at equal intervals at the upper end of the sedimentation tank, a plurality of flocculation tanks are arranged at equal intervals in a week of the sedimentation tank, a plurality of water inlet tanks are arranged on the support, the water inlet tanks correspond to the flocculation tanks one to one, baffle plates are installed in the flocculation tanks, the flocculation tanks are divided into flocculation zones and buffer zones by the baffle plates, the buffer zones are close to the sedimentation tank, flocculation tanks are installed in the flocculation zones, the bottoms of the flocculation tanks are run through, flocculation mixers are installed in the flocculation tanks, one side of each flocculation zone is provided with a coagulation tank, the coagulating basin with be equipped with the spread groove between the flocculation tank, install the coagulating mixer in the coagulating basin, the spread groove is located the one end in flocculation district is equipped with the flocculating agent pipe, be equipped with the sewer pipe in the coagulating basin, one side of sewer pipe is connected with the coagulant pipe, one side of coagulating basin is equipped with the sludge impoundment, circulating sludge pump and dredge pump are installed to the bottom of sedimentation tank, one side of circulating sludge pump is connected with out the mud pipe, the one end that goes out the mud pipe is connected with the tee bend, the one end of sludge pipe extends to in the sludge impoundment, the other end of sludge pipe extends to in the flocculation tank.
Preferably, a plurality of the water collecting grooves are jointly provided with a nursing plate.
Preferably, a circle of side walls in the sedimentation tank are preserved by epoxy glass 4 cloth 5 oil.
Preferably, the bracket is 14# I-steel.
Preferably, the mud scraper, the flocculation stirrer, the coagulation stirrer and the flocculation are all made of carbon steel.
Preferably, the size of the inclined tube is phi 80 mm.
Preferably, the cross-section of the water collection sump is 250 x 250 mm.
Preferably, a buffer plate (5) is fixed on one side of the buffer area close to the sedimentation tank.
Preferably, the depth of the sedimentation tank, the flocculation tank and the coagulation tank is set from deep to shallow.
According to the technical scheme, the application provides a lime softening density sedimentation tank for a reclaimed water station, when in use, sewage enters a coagulation tank through a sewage pipe, a coagulant directly enters the sewage pipe through a coagulant pipe in the sewage discharge, contacts with the sewage and then jointly enters the coagulation tank, at the moment, the sludge tank also injects sludge into the coagulation tank, the sludge is mixed under the rapid stirring of a coagulation mixer, the sludge enters a flocculation tank through a connecting groove, a flocculating agent is injected into the connecting groove in the process that the mixed sewage enters the flocculation tank, the sludge enters the flocculation tank again and is mixed under the stirring, the sludge sinks towards the bottom of a flocculation area under the action of gravity, the sludge enters a buffer area through a gap at the bottom of a baffle plate, the sludge enters the bottom of the sedimentation tank through a water inlet groove after the buffer area is further flocculated, the flow rate at the bottom of the sedimentation tank is slowed down, the produced floccules start to precipitate or precipitate in an inclined pipe, the treated water is discharged through the water collecting tank, and apart from the discharged sludge, a part of the precipitated sludge enters a sludge pond and a flocculation tank to accelerate flocculation and precipitation.
Compared with the prior art, the utility model has the beneficial effects that:
1. the inclined pipe is divided into a plurality of areas through the arrangement of the partition plates and the inclined pipe, different areas can be inserted into the inclined pipe through the high-pressure water pipe or the brush for cleaning, other areas of the equipment can normally operate, the efficiency of the other areas is unchanged, the cleaning is convenient, and the efficient operation of the equipment is kept;
2. by arranging the sludge tank and the coagulation tank, sludge is added in a coagulation stage, and the medicament residue or trace ions in the sludge assist the medicament coagulation to generate precipitation, so that the impurity removal and precipitation efficiency is improved, and the dosage is reduced;
3. the coagulant pipe is additionally arranged at the sewage pipe through the arrangement of the sewage pipe and the coagulant pipe, and when sewage is going to come out of the sewage pipe, the sewage is mixed with the coagulant, so that the mixing efficiency is improved;
4. through the matching of the connecting groove and the flocculating agent pipe, the flocculating agent is dripped in the process of flowing of water flow, and then stirring is carried out, so that the mixing efficiency of the flocculating agent is improved, and the flocculation efficiency is improved;
5. through the cooperation of flocculation basin, flocculation jar and baffle, the flocculating agent mixes in the flocculation jar, and in flocculation district and buffer zone, after the wadding got into the sedimentation tank, precipitation efficiency was high, and reaction time is long, clears away efficiently.
To sum up, this application has improved each mixing efficiency who adds medicine stage sewage and medicament through the optimal design to the density sedimentation tank, and the edulcoration is efficient, and the wadding group ability reinforce, the throughput is strong, can accomplish better edulcoration and precipitation under the velocity of flow of difference, stabilizes the ionic concentration and the pH value of normal water, and equipment can be normal operating when the clearance, does not influence the use.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic structural diagram of a lime softening density sedimentation tank of a reclaimed water station, which is provided by the utility model;
fig. 2 is a top view of a lime softening density settling tank of a reclaimed water station according to the utility model.
In the figure: 1 sedimentation tank, 2 pipe chute, 3 supports, 4 mud scrapers, 5 buffer boards, 6 baffles, 7 flocculation tanks, 8 flocculation mixers, 9 connecting grooves, 10 flocculant pipes, 11 sewage pipes, 12 coagulant pipes, 13 coagulation mixers, 14 sludge ponds, 15 coagulation ponds, 16 flocculation ponds, 17 circulating sludge pumps, 18 sewage pumps, 19 water collecting tanks, 20 clear water collecting tanks, 21 nursing plates, 22 water inlet tanks, 23 baffles.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1-2, a lime softening density sedimentation tank for a reclaimed water station comprises a sedimentation tank 1, the sedimentation tank 1 is built according to a mechanical stirring tank, the sedimentation tank is circularly and symmetrically arranged, sludge is uniformly precipitated, sewage is easy to form a vortex with a rotating center, the flowing distance of a water body is lengthened, the sedimentation time is lengthened, the sedimentation is closed to the middle, a side wall of one circle in the sedimentation tank 1 is preserved by 5 epoxy glass 4 cloth 5 oil, so that the corrosion to the sedimentation tank 1 is reduced, a mud scraper 4 is arranged at the bottom in the sedimentation tank 1 and used for removing sludge at the bottom of the sedimentation tank 1, the sedimentation in the sedimentation tank 1 is gathered to the center of the tank, the mud scraper 4 is uniformly stressed and has small working strength during operation, the service life is long, the diameter of the mud scraper 4 is 7.5 meters, the axial length is 5 meters, N is 0.Kw, a bracket 3 is arranged in the sedimentation tank 1, the bracket 3 is 14# I-steel and is subjected to preservative treatment, an inclined pipe 2 is arranged on the bracket 3, the thickened inclined tube with the size phi of 80mm of the inclined tube 2 can be cleaned simply through a high-pressure water pipe or a brush, a plurality of partition plates 23 are fixed on the support 3 at equal intervals, the support 3 is divided into a plurality of areas by the partition plates 23, the inclined tube 2 is divided into a plurality of working areas by the partition plates 23, the influence of each area is small, and the area can be cleaned in different areas;
install nursing board 21 on a plurality of water catch bowl 19 jointly, be convenient for the workman clear up the operation on nursing board 21, the upper end equidistant of sedimentation tank 1 is equipped with a plurality of water catch bowl 19, the cross section of water catch bowl 19 is 250mm, absorb the water after the purification through the mode of overflow, the equidistant a week of sedimentation tank 1 is equipped with a plurality of flocculation ponds 16, can realize a plurality of flocculation and coagulate and go on simultaneously, improve water treatment efficiency, and the operation elasticity of device is big, throughput promotes and is 240m3H, can satisfy the water treatment of a plurality of equipment, and be equipped with a plurality of intake chambers 22 on the support 3, intake chamber 22 extends to sedimentation tank 1's intermediate position department, make the water flow in 1 internal rotation of sedimentation tank, intake chamber 22 and 16 one-to-one in the flocculation tank, sewage in the flocculation tank 16 flows into in the sedimentation tank 1 through intake chamber 22, install baffle 6 in the flocculation tank 16, baffle 6 is cut apart into flocculation district and buffer with the flocculation tank 16, the reaction and the flocculation time of extension sewage in the flocculation tank 16, the buffer is close to sedimentation tank 1, one side that the buffer is close to sedimentation tank 1 is fixed with buffer board 5, avoid the dead angle to deposit, install flocculation tank 7 in the flocculation zone, the flocculating agent accomplishes the stirring in flocculation tank 7, guarantee the stability of other positions, improve flocculation efficiency, the bottom of flocculation tank 7 runs through the setting, fall into behind the flocculation and setFlocculation district bottom, the bottom through baffle 6 gets into the buffer area, installs flocculation mixer 8 in the flocculation tank 7, and flocculation mixer 8's specification is diameter 1.2 meters, and the lifting capacity q is 2000m ═ 2000m3The system comprises a flocculation area, a coagulation tank 15, a connecting groove 9, a flocculation tank 7, a flocculation tank 10, a flocculating pipe 11, a coagulant pipe 12 and a coagulant adding pipe 12, wherein N is 3Kw, the coagulation tank 15 is arranged on one side of the flocculation area, the connecting groove 9 is arranged between the coagulation tank 15 and the flocculation tank 7, water flow is collected in the connecting groove 9, the water flow speed is high, scaling is not prone to occurring, the coagulation mixer 13 is arranged in the coagulation tank 15, the diameter of the coagulation mixer 13 is 1.2 meters, the shaft length is 4 meters, N is 5Kw, the flocculating pipe 10 is arranged at one end, located at the flocculation area, of the connecting groove 9, preliminary mixing is facilitated, a sewage pipe 11 is arranged in the coagulation tank 15, one side of the sewage pipe 11 is connected with the coagulant adding pipe 12, and a coagulant adding agent is arranged at the outlet of the sewage pipe 11, scaling cannot be caused, and chemical mixing can be accelerated;
one side of the coagulation tank 15 is provided with a sludge tank 14 for storing sludge, the sludge tank 14 is stopped to be supplied with sludge when not used, the sludge is convenient to clean, the sludge scraper 4, the flocculation stirrer 8, the coagulation stirrer 13 and the flocculation tank 7 are made of carbon steel, the service life of the equipment is prolonged, the purchase cost is low, the bottom of the sedimentation tank 1 is provided with a circulating sludge pump 17 and a sewage pump 18, one side of the circulating sludge pump 17 is connected with a sludge outlet pipe, one end of the sludge outlet pipe is connected with a tee joint, one end of the sludge pipe extends into the sludge tank 14, the other end of the sludge pipe extends into the flocculation tank 7, sludge is added in a coagulation stage, the medicament residue or trace ions in the sludge coagulate, precipitate is generated, the impurity removal and precipitation efficiency is improved, the dosage is reduced, the depth of the sedimentation tank 1, the flocculation tank 16 and the coagulation tank 15 is set from deep to shallow, the scaling condition can be reduced, and the cleaning is convenient, when the equipment is in operation, the pH value can be stabilized at 6-9, the suspended matters are less than or equal to 10mg/L, the turbidity is less than or equal to 5, and the use is efficient.
According to the technical scheme, when in use, sewage enters the coagulation tank 15 through the sewage pipe 11, a coagulant directly enters the sewage pipe 11 through the coagulant pipe 12 in the sewage discharge process, contacts with the sewage and then jointly enters the coagulation tank 15, at the moment, sludge is also injected into the coagulation tank 15 through the sludge tank 14, the sludge is mixed under the rapid stirring of the coagulation stirrer 13, the mixed sewage enters the flocculation tank 7 through the connecting groove 9, a flocculating agent is injected into the connecting groove 9 in the process that the mixed sewage enters the flocculation tank 7, the mixed sewage enters the flocculation tank 7 and is stirred and mixed, the mixed sewage sinks towards the bottom of a flocculation area under the action of gravity, the mixed sewage enters the bottom of the sedimentation tank 1 through the gap at the bottom of the baffle 6, the mixed sewage enters the bottom of the sedimentation tank 1 through the water inlet groove 22 after the further flocculation of the buffering area, the flow rate at the bottom of the sedimentation tank 1 is slowed down, and the produced floccule begins to precipitate or precipitate in the inclined pipe 2, the treated water is discharged through the water collecting tank 19, and a part of the precipitated sludge enters the sludge tank 14 and the flocculation tank 7 to accelerate flocculation and precipitation except for the discharge.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (9)
1. The utility model provides a well water station lime softens density sedimentation tank, includes sedimentation tank (1), its characterized in that: the sludge scraper (4) is arranged at the bottom in the sedimentation tank (1), the support (3) is arranged in the sedimentation tank (1), the inclined pipe (2) is arranged on the support (3), a plurality of partition plates (23) are fixed on the support (3) at equal intervals, the support (3) is divided into a plurality of areas by the partition plates (23), a plurality of water collecting grooves (19) are arranged at the upper end of the sedimentation tank (1) at equal intervals, a plurality of flocculation tanks (16) are arranged at equal intervals in a circle of the sedimentation tank (1), a plurality of water inlet grooves (22) are arranged on the support (3), the water inlet grooves (22) correspond to the flocculation tanks (16) one by one, the baffle plates (6) are arranged in the flocculation tanks (16), the flocculation tanks (16) are divided into flocculation areas and buffer areas by the baffle plates (6), the buffer areas are close to the sedimentation tank (1), and flocculation tanks (7) are arranged in the flocculation areas, the bottom of flocculation tank (7) runs through the setting, install flocculation mixer (8) in flocculation tank (7), one side in flocculation district is equipped with coagulating basin (15), coagulating basin (15) with be equipped with spread groove (9) between flocculation tank (7), install coagulating mixer (13) in coagulating basin (15), spread groove (9) are located the one end in flocculation district is equipped with flocculating agent pipe (10), be equipped with sewage pipe (11) in coagulating basin (15), one side of sewage pipe (11) is connected with coagulant pipe (12), one side of coagulating basin (15) is equipped with sludge impoundment (14), circulating sludge pump (17) and dredge pump (18) are installed to the bottom of sedimentation tank (1), one side of circulating sludge pump (17) is connected with out the mud pipe, the one end of play mud pipe is connected with the tee bend, the one end of sludge pipe extends to in sludge impoundment (14), the other end of the sludge pipe extends into the flocculation tank (7).
2. A greywater station lime softening density settling tank in accordance with claim 1, characterized in that a plurality of said water collection troughs (19) are jointly fitted with a nursing plate (21).
3. A reclaimed water station lime softening density sedimentation tank according to claim 1, characterized in that a circle of side walls in the sedimentation tank (1) are preserved by epoxy glass 4 cloth 5 oil.
4. A greywater station lime softening density settling tank in accordance with claim 1, characterized in that said support (3) is 14# i-steel.
5. A reclaimed water station lime softening density sedimentation tank according to claim 1, wherein the sludge scraper (4), the flocculation stirrer (8), the coagulation stirrer (13) and the flocculation tank (7) are all made of carbon steel.
6. A greywater station lime softening density settling tank as claimed in claim 1, characterised in that the size of the inclined tube (2) is Φ 80 mm.
7. A greywater station lime softening density settling tank in accordance with claim 1, characterized in that the cross-section of the water collection sump (19) is 250 x 250 mm.
8. A greywater station lime softening density settling basin according to claim 1, characterised in that a buffer plate (5) is fixed to the side of the buffer zone close to the settling basin (1).
9. A reclaimed water station lime softening density sedimentation tank in accordance with claim 1, characterized in that the depth of the sedimentation tank (1), the flocculation tank (16) and the coagulation tank (15) is set from deep to shallow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123321549.5U CN216604162U (en) | 2021-12-27 | 2021-12-27 | Lime softening density sedimentation tank for reclaimed water station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123321549.5U CN216604162U (en) | 2021-12-27 | 2021-12-27 | Lime softening density sedimentation tank for reclaimed water station |
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| CN216604162U true CN216604162U (en) | 2022-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159646A (en) * | 2022-07-08 | 2022-10-11 | 深圳市华虹清源环保科技有限公司 | Crystallizer for treating wastewater from iron phosphate production |
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2021
- 2021-12-27 CN CN202123321549.5U patent/CN216604162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159646A (en) * | 2022-07-08 | 2022-10-11 | 深圳市华虹清源环保科技有限公司 | Crystallizer for treating wastewater from iron phosphate production |
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