CN211170181U

CN211170181U - Tap water tail water treatment device

Info

Publication number: CN211170181U
Application number: CN201921590640.7U
Authority: CN
Inventors: 赵秀英; 高永轩; 张泽仁
Original assignee: Jiangsu Yuanjie Energy Saving Environmental Protection Co ltd
Current assignee: Jiangsu Yuanjie Energy Saving Environmental Protection Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-08-04
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a running water technical field just discloses a running water tail water treatment facilities, dissolve medicine including collecting pit, dredge pump, sedimentation tank, first PAC and add case, sludge transfer pump, bypass valve, sludge balance pond, hydroextractor charge pump, washing water tank, second PAC and dissolve medicine and add case, sludge dewaterer, spray set and mixing arrangement, the bottom of the pool of collecting pit is connected with the base of dredge pump, the exit of dredge pump and the access connection of sedimentation tank. The utility model provides a current water supply plant sludge water treatment retrieval and utilization technology, still there are a lot of not enough: the gravity concentration process has low concentration efficiency, small hydraulic load, low solid flux, large occupied area, low sludge concentration and high energy consumption of the subsequent dehydration process, is only suitable for large and medium-sized water plants, has poor water quality of supernatant, and has the problem that the reuse ratio of the supernatant needs to be strictly controlled in consideration of the water quality biological safety problems such as heavy metal, two worms, cyst enrichment and the like caused by reuse, so that the reuse rate of sludge water is not high.

Description

Tap water tail water treatment device

Technical Field

The utility model relates to a running water technical field specifically is a running water tail water treatment facilities.

Background

The sludge water discharged from a water plant is from sludge water discharged from a sedimentation tank and a clarification tank of the water plant or backwashing wastewater of a filter tank, accounts for about 4-7% of the water purifying capacity of the water plant, the annual total discharge amount of the sludge water in China is about 5.5 × 109m3, the resource utilization rate of the sludge water is less than 20%, and a large amount of valuable water resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a running water tail water treatment facilities reaches easy and simple to handle, is convenient for manage and maintain, and the running cost is low, and the technology is mature, strictly according to the relevant regulation of country, improves water quality, water supply security, reliability. Low energy consumption, low leakage, low medicine consumption and the like, and the occupied area is reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a tap water tail water treatment device comprises a collecting tank, a sewage pump, a sedimentation tank, a first PAC (polyaluminium chloride) dissolved medicine adding box, a sludge conveying pump, a bypass valve, a sludge balance tank, a dehydrator feeding pump, a cleaning water tank, a second PAC dissolved medicine adding box, a sludge dehydrator, a spraying device and a mixing device, wherein the bottom of the collecting tank is connected with the base of the sewage pump, the outlet of the sewage pump is connected with the inlet of the sedimentation tank, the outlet of the sedimentation tank is connected with the inlet of the first PAC dissolved medicine adding box, the outlet of the first PAC dissolved medicine adding box is respectively connected with the inlets of the sludge conveying pump and the bypass valve, the outlets of the sludge conveying pump and the bypass valve are connected with the inlet of the sludge balance tank, the outlet of the sludge balance tank is connected with the inlet of the feeding pump, the outlet of the dehydrator feeding pump is connected with the inlet of the cleaning water tank, the outlet of the cleaning water tank is connected with the, the export of second PAC dissolves medicine and adds the access connection of case and sludge dewaterer, and spray set is located the inside and outside of wasing the water tank respectively, and mixing arrangement is located the inside and outside of first PAC dissolves medicine and adds case and second PAC and dissolves medicine and add the case respectively.

Preferably, the spraying device comprises a water suction pump, a water inlet pipeline, a water outlet pipeline, a limiting clamping seat and a spraying head, wherein a water inlet of the water suction pump is connected with a water outlet of the water inlet pipeline, a water outlet of the water suction pump is connected with a water inlet of the water outlet pipeline, a water outlet of the water outlet pipeline is connected with a water inlet of the spraying head, and the outer surface of the spraying head is connected with the inner wall of the limiting clamping seat.

Preferably, the top of the limiting clamping seat is connected with the top of the inner side of the cleaning water tank, and the bottom of the water suction pump is connected with the top of the cleaning water tank.

Preferably, mixing arrangement includes driving motor, drive roller, driving band, connecting roller, bearing, hob and stirring leaf, and driving motor's output shaft is connected with the axle center of drive roller, and the axle center of connecting roller is connected with the top of hob, and the surface of hob is connected with the inner circle of bearing, and the surface of drive roller and connecting roller all is connected with the inner wall of driving band, and the surface of hob is connected with the axle center of hob, and the outer wall of hob is connected with the lateral wall of stirring leaf.

Preferably, the inner box bottoms of the first PAC dissolved medicine adding box and the second PAC dissolved medicine adding box are both connected with a bearing seat, the inner ring of the bearing seat is connected with the bottom of the spiral rod, the left wall of the driving motor is respectively connected with the right walls of the first PAC dissolved medicine adding box and the second PAC dissolved medicine adding box, and the inner sides of the tops of the first PAC dissolved medicine adding box and the second PAC dissolved medicine adding box are both connected with the outer ring of the bearing.

Preferably, the bottom of washing water tank, second PAC dissolve medicine and add case and sludge dewaterer all is connected with the dehydration between support frame, and the washing water tank is located the left side that the second PAC dissolved medicine adds the case, and the second PAC dissolves medicine and adds the case and be located sludge dewaterer's left side.

The utility model provides a tap water tail water treatment device. The method has the following beneficial effects:

(1) the utility model discloses a dissolve medicine to collecting pit, dredge pump, sedimentation tank, first PAC and add case, sludge delivery pump, bypass valve, sludge balance pond, hydroextractor charge pump, washing water tank, second PAC and dissolve medicine and add case and sludge dewaterer assembly series connection and become whole running water tail water treatment facilities, sedimentation tank treatment water is by center tube top-down, blocks the baffling and go up through the reflecting plate in the lower end, to the equipartition all around on whole horizontal section in the pond. The particles with the settling velocity exceeding the ascending flow velocity are settled downwards into a sludge hopper, the clarified water overflows out of the tank through weir holes on the periphery of the tank, and in the turbidity removal treatment, the scheme adopts natural microporous mineral powder with positive charges to flocculate gravity settling. Gravity type flocculation sedimentation's advantage is that daily operation takes lowly, it is more convenient to manage, in addition because the box volume is big, change to the load, especially there is certain buffer capacity to impact load, it is stronger to adapt to the high turbidity ability of raw water, adopt assembled cylinder type cell body, standard module, the transportation is convenient, on-the-spot installation rate is fast, area is little, more be favorable to the subsidence of flocculation thing, the supernatant is direct can recycle, can retrieve 80% clear water, the energy consumption is few, the water resource can obtain fine utilization, the design of sedimentation tank of whirl should accord with following requirement: when considering that flocculate is temporarily stored in a sedimentation tank, the water depth of the side of the tank can be properly increased, the bottom gradient of a tank body is 0.08-0.10, the superelevation is more than 0.3m, the pipe diameter of a sludge discharge pipe is not less than 150mm, the backwashing water in a filter tank enters a cyclone sedimentation tank and is added with mineral powder for water quality treatment produced by clean water service to increase the rapid sedimentation of flocculation, the turbidity of clear liquid discharged from the sedimentation tank is less than or equal to 10NTU, one part of clear liquid is used as working water of a filter press, the rest part of clear liquid flows back to the water inlet end of a sedimentation tank of a water plant for recycling, a sludge balancing tank is arranged in front of a sludge dewatering machine, the sludge balancing tank is mainly used for balancing the sludge treatment amount and the sludge treatment amount, the sludge treatment is adjusted, the sludge dewatering machine is generally mechanically dewatered, the type of the sludge dewatering machine is selected according to the property of concentrated sludge and the requirement of final treatment on dewatered sludge cake, generally, a plate-and-frame filter press and a centrifugal dehydrator can be adopted, the yield of the dehydrator and the requirement on the concentration of the sludge entering the dehydrator are determined by tests or according to the data of the same type and similar sludge, the adverse effect of low temperature on the yield of the dehydrator is considered, the sludge is chemically regulated before dehydration, the type and the adding amount of a medicament are determined by tests or according to the data of the same type and similar sludge, and a PAM flocculating agent is added to assist flocculation. And a PAM dissolved medicine feeding integrated device is arranged.

(2) The utility model discloses a set up drive arrangement on first PAC dissolves medicine and adds case and second PAC dissolves medicine and adds case, throw into the inside of box through the import with the PAM flocculating agent, and then through starting driving motor, the drive roller just can carry out synchronous motion along with the direction of motor output shaft rotation, and through the traction of driving band, the connecting roller also can rotate along with the direction that the drive roller rotated, thereby make the hob under the drive of bearing and bearing frame, impel the stirring leaf to carry out stable rotation in the box, and reduce the resistance between mud and the PAM flocculating agent, and make mud and the more homogenization that the PAM flocculating agent mixes, and this set of flow is after finishing tail water treatment, the operating personnel can start the suction pump, the water source passes through the inlet channel, the inside of washing water tank is conveyed to the cooperation of outlet conduit and shower head, after the sludge dewaterer starts, clear water just can transmit inside, can completely eliminate the accumulated water on the ground when the dehydrator washes and cleans the ground, and is convenient for cleaning and dredging the sediment in the drain pipe in time when the sediment is deposited.

Drawings

FIG. 1 is a sludge conveying diagram of the present invention;

FIG. 2 is a sludge dewatering diagram of the present invention;

FIG. 3 is a schematic structural view of the cleaning water tank of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1 collecting pool, 2 sewage discharge pumps, 3 settling ponds, 4 first PAC (polyaluminium chloride) dissolving agent adding boxes, 5 sludge conveying pumps, 6 bypass valves, 7 sludge balancing ponds, 8 dehydrator feeding pumps, 9 cleaning water tanks, 10 second PAC dissolving agent adding boxes, 11 sludge dehydrators, 12 dehydration room supporting frames, 13 spraying devices, 14 mixing devices, 1301 water suction pumps, 1302 water inlet pipes, 1303 water outlet pipes, 1304 limit clamping seats, 1305 spraying heads, 1401 driving motors, 1402 driving rollers, 1403 driving belts, 1404 connecting rollers, 1405 bearings, 1406 screw rods, 1407 spiral rollers and 1408 stirring blades.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution: a tap water tail water treatment device comprises a collecting tank 1, a sewage pump 2, a sedimentation tank 3, a first PAC (polyaluminium chloride) dissolved medicine adding box 4, a sludge conveying pump 5, a bypass valve 6, a sludge balancing tank 7, a dehydrator feed pump 8, a cleaning water tank 9, a second PAC dissolved medicine adding box 10, a sludge dehydrator 11, a spraying device 13 and a mixing device 14, wherein the bottom of the collecting tank 1 is movably connected with the base of the sewage pump 2, the outlet of the sewage pump 2 is in threaded connection with the inlet of the sedimentation tank 3, the outlet of the sedimentation tank 3 is in threaded connection with the inlet of the first PAC dissolved medicine adding box 4, the outlet of the first PAC dissolved medicine adding box 4 is respectively in threaded connection with the inlets of the sludge conveying pump 5 and the bypass valve 6, the outlets of the sludge conveying pump 5 and the bypass valve 6 are in threaded connection with the inlet of the sludge balancing tank 7, the outlet of the sludge balancing tank 7 is in threaded connection with the inlet of the dewatering machine 8, the outlet of the dewatering machine feed pump 8 is in threaded, the export of wasing water tank 9 and the import threaded connection of second PAC dissolving medicine adding box 10, the export of second PAC dissolving medicine adding box 10 and sludge dewaterer 11's import threaded connection, spray set 13 is located the inside and outside of wasing water tank 9 respectively, mixing arrangement 14 is located the inside and outside of first PAC dissolving medicine adding box 4 and second PAC dissolving medicine adding box 10 respectively.

Further, the spraying device 13 comprises a water suction pump 1301, a water inlet pipe 1302, a water outlet pipe 1303, a limiting clamping seat 1304 and a spraying head 1305, wherein a water inlet of the water suction pump 1301 is fixedly connected with a water outlet of the water inlet pipe 1302, a water outlet of the water suction pump 1301 is fixedly connected with a water inlet of the water outlet pipe 1303, a water outlet of the water outlet pipe 1303 is fixedly connected with a water inlet of the spraying head 1305, and the outer surface of the spraying head 1305 is clamped with the inner wall of the limiting clamping seat 1304.

Further, the top of spacing cassette 1304 and the inboard top fixed connection who washs water tank 9, the bottom of suction pump 1301 and the top fixed connection who washs water tank 9.

Further, the mixing device 14 includes a driving motor 1401, a driving roller 1402, a driving belt 1403, a connecting roller 1404, a bearing 1405, a spiral rod 1406, a spiral roller 1407 and a stirring blade 1408, an output shaft of the driving motor 1401 is fixedly connected with a shaft center of the driving roller 1402, a shaft center of the connecting roller 1404 is fixedly connected with a top of the spiral rod 1406, an outer surface of the spiral rod 1406 is fixedly connected with an inner ring of the bearing 1405, outer surfaces of the driving roller 1402 and the connecting roller 1404 are both movably connected with an inner wall of the driving belt 1403, an outer surface of the spiral rod 1406 is fixedly connected with a shaft center of the spiral roller 1407, and an outer wall of the spiral roller 1407 is fixedly connected with a side wall of the.

Further, the inside bottom of the case of first PAC solution adding tank 4 and second PAC solution adding tank 10 all fixedly connected with bearing frame, the inner circle of bearing frame and the bottom fixed connection of hob 1406, the left wall of driving motor 1401 respectively with the right wall fixed connection of first PAC solution adding tank 4 and second PAC solution adding tank 10, the top inboard of first PAC solution adding tank 4 and second PAC solution adding tank 10 all with the outer lane fixed connection of bearing 1405.

Further, wash water tank 9, second PAC and dissolve medicine adding box 10 and sludge dewaterer 11's equal fixedly connected with in bottom and dewater between support frame 12, wash water tank 9 and be located the left side that second PAC dissolved medicine added box 10, second PAC dissolves medicine adding box 10 and is located sludge dewaterer 11's left side.

When in use, by arranging the driving device 14 on the first PAC dissolution adding box 4 and the second PAC dissolution adding box 10, the PAM flocculant is put into the box through the inlet, then the driving motor 1401 is started, the driving roller 1402 moves synchronously along with the rotation direction of the motor output shaft, and the connecting roller 1404 rotates along with the rotation direction of the driving roller 1402 by the traction of the driving belt 1403, so that the spiral rod 1406 is driven by the bearing 1405 and the bearing seat to cause the stirring blades 1408 to rotate stably in the box, the resistance between the sludge and the PAM flocculant is reduced, the sludge and the PAM flocculant are mixed more uniformly, and after the treatment of tail water is finished, an operator can start the water suction pump 1301, water is delivered into the inside of the cleaning water tank 9 through the matching of the water inlet pipe 1302, the water outlet pipe 1303 and the spray head 1305, after the sludge dewatering machine 11 is started, clear water is transmitted to the interior of the sludge dewatering machine, so that the ground water accumulated during the washing of the dewatering machine and the cleaning of the ground can be completely removed, and the sludge in the drainage pipe can be conveniently and timely cleared.

To sum up can, the utility model discloses a to collecting pit 1, dredge pump 2, sedimentation tank 3, first PAC dissolves the medicine and adds case 4, sludge transfer pump 5, bypass valve 6, sludge balance pond 7, hydroextractor charge pump 8, wash water tank 9, second PAC dissolves medicine and adds case 10 and sludge dewaterer 11 assembly series connection and becomes whole running water tail water treatment facilities, sedimentation tank 3 treated water is by center tube top-down, block the baffling and go up through the reflecting plate in the lower end, to all around on the equipartition whole horizontal section in the pond, the particle that the settling velocity surpasss the updraft velocity then subsides downwards in the sludge hopper, water after the clarification is outside by pond weir mouth overflow outflow pond all around, in turbidity removal degree treatment, this scheme adopts natural micropore area positive charge powdered ore gravity flocculation formula to subside. The gravity type flocculation sedimentation has the advantages of low daily operation cost and convenient management; in addition, because the box volume is big, there is certain buffer capacity to the change of load, especially to impact load, it is stronger to adapt to the high turbidity ability of raw water, adopts assembled cylinder type cell body, and standard module, the transportation is convenient, and the field installation is fast, and area is little, more is favorable to the subsidence of flocculation thing, and the supernatant is direct can recycle, can retrieve 80% clear water, and the energy consumption is few, and the water resource can obtain fine utilization, and the design of sedimentation tank of whirl should accord with following requirement: when considering that flocculate is temporarily stored in a sedimentation tank, the water depth of the tank side can be properly increased, the gradient of the bottom of a tank body is 0.08-0.10, the height of the tank body is more than 0.3m, the pipe diameter of a sludge discharge pipe is not less than 150mm, backwash water in a filter tank enters a cyclone sedimentation tank and is added with mineral powder for water quality treatment in water cleaning production to increase the rapid sedimentation of flocculation, the turbidity of clear liquid discharged from the sedimentation tank is less than or equal to 10NTU, one part of the backwash water is used as working water of a plate and frame filter press, the rest of the backwash water flows back to the water inlet end of a sedimentation tank of a water plant for recycling, and a sludge balance tank 7. The sludge balancing tank 7 is mainly used for balancing the sludge amount and the sludge amount to be treated, and has an adjusting effect on sludge treatment, mechanical dehydration is generally adopted for sludge dehydration, the type selection of a sludge dehydration machine is required according to the property of the concentrated sludge and the requirement of final treatment on dehydrated sludge cakes, the sludge dehydration machine is selected after technical and economic comparison, a plate-and-frame filter press and a centrifugal dehydrator are generally adopted, the yield of the dehydrator and the requirement on the concentration of the sludge entering the dehydrator are determined by tests or according to the data of similar sludge of the same type, the adverse effect of low temperature on the yield of the dehydrator is considered, the sludge is chemically adjusted before dehydration, the type and the adding amount of a medicament are determined by tests or according to the data of similar sludge of the same type, and a PAM flocculating agent is added to help flocculation. And set up PAM and dissolve medicine and throw integrated device, the utility model discloses a set up drive arrangement 14 on first PAC dissolves medicine and adds case 4 and second PAC and adds case 10, throw in the inside of the box with the PAM flocculating agent through the import, rethread starts driving motor 1401, drive roller 1402 just can carry out synchronous motion along with the direction of motor output shaft rotation, and through the traction of driving band 1403, connecting roller 1404 also can rotate along with the direction that drive roller 1402 rotates, thereby make hob 1406 under the drive of bearing 1405 and bearing frame, impel stirring vane 1408 to carry out stable rotation in the box, and reduce the resistance between mud and the PAM flocculating agent, and make the mud more homogenization with the PAM flocculating agent mixture, and this set of flow is after finishing tail water treatment, the operating personnel can start suction pump 1301, the water source passes through inlet pipe 1302, the cooperation of outlet conduit 1303 and shower head 1305 is conveyed the inside of wasing water tank 9, after the sludge dewatering machine 11 is started, clear water is transmitted to the interior of the sludge dewatering machine, so that the ground water accumulated during the washing of the dewatering machine and the cleaning of the ground can be completely removed, and the sludge in the drainage pipe can be conveniently and timely cleared.

Claims

1. The utility model provides a running water tail water processing apparatus, includes collecting pit (1), dredge pump (2), sedimentation tank (3), first PAC dissolves medicine and adds case (4), sludge transfer pump (5), bypass valve (6), sludge balance pond (7), hydroextractor charge pump (8), washs water tank (9), second PAC dissolves medicine and adds case (10), sludge dewaterer (11), spray set (13) and mixing arrangement (14), its characterized in that: the bottom of the collecting tank (1) is connected with the base of a sewage pump (2), the outlet of the sewage pump (2) is connected with the inlet of a sedimentation tank (3), the outlet of the sedimentation tank (3) is connected with the inlet of a first PAC dissolved medicine adding box (4), the outlet of the first PAC dissolved medicine adding box (4) is respectively connected with the inlets of a sludge conveying pump (5) and a bypass valve (6), the outlets of the sludge conveying pump (5) and the bypass valve (6) are connected with the inlet of a sludge balancing tank (7), the outlet of the sludge balancing tank (7) is connected with the inlet of a dehydrator feeding pump (8), the outlet of the dehydrator feeding pump (8) is connected with the inlet of a cleaning water tank (9), the outlet of the cleaning water tank (9) is connected with the inlet of a second PAC dissolved medicine adding box (10), the outlet of the second PAC dissolved medicine adding box (10) is connected with the inlet of a dehydrator (11), and a spraying device (13) is respectively positioned at the inner side and the outer side of the cleaning water tank (9), mixing means (14) are located on the inside and outside of the first PAC solution addition tank (4) and the second PAC solution addition tank (10), respectively.

2. The tap water tail water treatment device according to claim 1, characterized in that: the spraying device (13) comprises a water suction pump (1301), a water inlet pipeline (1302), a water outlet pipeline (1303), a limiting clamping seat (1304) and a spraying head (1305), wherein a water inlet of the water suction pump (1301) is connected with a water outlet of the water inlet pipeline (1302), a water outlet of the water suction pump (1301) is connected with a water inlet of the water outlet pipeline (1303), a water outlet of the water outlet pipeline (1303) is connected with a water inlet of the spraying head (1305), and the outer surface of the spraying head (1305) is connected with the inner wall of the limiting clamping seat (1304).

3. The tap water tail water treatment device according to claim 2, characterized in that: the top of the limiting clamping seat (1304) is connected with the top of the inner side of the cleaning water tank (9), and the bottom of the water suction pump (1301) is connected with the top of the cleaning water tank (9).

4. The tap water tail water treatment device according to claim 1, characterized in that: the mixing device (14) comprises a driving motor (1401), a driving roller (1402), a driving belt (1403), a connecting roller (1404), a bearing (1405), a spiral rod (1406), a spiral roller (1407) and a stirring blade (1408), wherein an output shaft of the driving motor (1401) is connected with the axis of the driving roller (1402), the axis of the connecting roller (1404) is connected with the top of the spiral rod (1406), the outer surface of the spiral rod (1406) is connected with the inner ring of the bearing (1405), the outer surfaces of the driving roller (1402) and the connecting roller (1404) are both connected with the inner wall of the driving belt (1403), the outer surface of the spiral rod (1406) is connected with the axis of the spiral roller (1407), and the outer wall of the spiral roller (1407) is connected with the side wall of the stirring blade (1408).

5. The tap water tail water treatment device according to claim 4, characterized in that: the inside bottom of the case of first PAC solvent adding case (4) and second PAC solvent adding case (10) all is connected with the bearing frame, and the inner circle of bearing frame is connected with the bottom of hob (1406), and the left wall of driving motor (1401) is connected with the right wall of first PAC solvent adding case (4) and second PAC solvent adding case (10) respectively, and the top inboard of first PAC solvent adding case (4) and second PAC solvent adding case (10) all is connected with the outer lane of bearing (1405).

6. The tap water tail water treatment device according to claim 1, characterized in that: the bottom of wasing water tank (9), second PAC dissolve medicine and add case (10) and sludge dewaterer (11) all is connected with dehydration room support frame (12), washs water tank (9) and is located the left side that second PAC dissolved medicine adds case (10), and second PAC dissolves medicine and adds case (10) and is located the left side of sludge dewaterer (11).