Heavy medium high-speed clarifying and settling equipment
By using a high-speed clarification and sedimentation equipment with heavy media, and by combining aluminum or iron salt coagulants, micro-sand, PAC and PAM, along with a mixing and sludge scraper design, the problems of slow sedimentation speed and low purification quality are solved, achieving rapid and efficient wastewater purification.
Patent Information
- Application Number
- CN202423060936.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Existing wastewater settling equipment has a slow settling speed and low purification quality. Some sludge enters the clear liquid tank in a flocculent state, which reduces the purification effect.
The heavy media high-speed clarification and sedimentation equipment is used. By adding aluminum or iron salt coagulants, micro sand, PAC and PAM, combined with a mixer, sludge scraper and inclined tube design, large flocs are formed to accelerate sedimentation, and micro sand and sludge are separated in the sedimentation tank.
It significantly improves sedimentation speed and purification quality, shortens working time, and ensures effective separation of clear water and large flocs.
Smart Images
Figure CN223576224U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of sedimentation equipment, specifically to a kind of heavy medium high-speed clarification sedimentation equipment. BACKGROUND
[0002] Due to the water pollution is increasingly serious and the improvement of living standards, people's health consciousness is constantly improving, environmental protection water purification is imminent. But the current use of sewage sedimentation equipment will only add PAC and PAM as medium to speed up the settling velocity of sludge in sewage, and the settling velocity is slow. And even if PAC and PAM medium is added, a small part of sludge will be in flocculation into the clear liquid tank and be discharged, reducing the purification quality. SUMMARY
[0003] The utility model discloses a kind of heavy medium high-speed clarification sedimentation equipment, solve the problem of slow settling velocity and low purification quality at present.
[0004] The utility model discloses a kind of heavy medium high-speed clarification sedimentation equipment, solve the problem of slow settling velocity and low purification quality at present.
[0005] A kind of heavy medium high-speed clarification sedimentation equipment, including the mixing pool of adding aluminum salt or iron salt coagulant, the injection pool of adding micro-sand, PAC and PAM, flocculation tank and sedimentation tank;The mixing pool, injection pool, flocculation tank and sedimentation tank are sequentially communicated;The mixing pool is equipped with water inlet for conveying raw water, and the sedimentation tank is equipped with sludge discharge port, and the sludge discharge port is communicated with the input end of separation recovery machine by conveying pipeline;The first output end of separation recovery machine is communicated with injection pool by the recovery pipeline for recovering micro-sand, and the second output end is communicated with sludge transfer tank by sludge discharge pipe;Sludge transfer tank is communicated with sludge concentration tank by sludge conveying pipeline.
[0006] Further, the mixing pool, injection pool and flocculation tank are respectively configured with stirrer, each stirrer includes stirring motor, stirring rod and fan blade, one end of stirring rod is connected with the driving end of stirring motor, and the other end is connected with multiple fan blades;Multiple fan blades are evenly arranged along the circumference of stirring rod in spiral shape.
[0007] Further, the sedimentation tank is provided with a mud scraper, and the mud scraper includes a mud scraper motor, a linkage rod and a plurality of mud scraper plates.
[0008] Further, the sedimentation tank is provided with a water collecting tank at the top, a inclined pipe at the middle and a flow guide block at the bottom, the water collecting tank is communicated with the supernatant outlet, the inclined pipe is arranged at the middle of the sedimentation tank at an angle of 45°, and the flow guide block gradually decreases from the periphery to the middle, the sludge discharge port is arranged on the flow guide block, and the mud scraper plate is adapted to the surface of the flow guide block.
[0009] Further, the mixing tank is provided with a first water inlet, the injection tank is provided with a second water inlet and a third water inlet, and the flocculation tank is provided with a fourth water inlet and a fifth water inlet; the first water inlet is arranged on the upper side wall of the mixing tank, the second water inlet is arranged on the upper side wall of the injection tank, the third water inlet is arranged on the bottom of the side wall of the injection tank, the fourth water inlet is arranged on the bottom of the side wall of the flocculation tank, and the fifth water inlet is arranged on the upper side wall of the flocculation tank.
[0010] Further, the first water inlet is communicated with the second water inlet through a rubber joint, the third water inlet is communicated with the fourth water inlet through a rubber joint, and the fifth water inlet is communicated with the sedimentation tank through a rubber joint.
[0011] Further, the conveying pipeline is provided with a sludge pump for driving sludge, and control valves are arranged on the two sides of the sludge pump.
[0012] By adopting the above technical scheme, the beneficial technical effects of the utility model are as follows:
[0013] The PAC, PAM and micro sand are added into the injection tank, the micro sand can make the particulate matters and colloids in water polymerize into large-particle flocculation which is easy to precipitate under the action of the PAM and PAC, so as to accelerate the precipitation speed of the pollutants in the sedimentation tank, and the PAM and PAC can accelerate the speed of the particulate matters and colloids to combine. The inclined pipe is arranged on the sedimentation tank, so that the small-particle flocculation is stopped by rubbing with the inclined pipe during the process of rising to the supernatant outlet, and after forming larger flocculation, the flocculation falls into the sedimentation tank. The utility model not only improves the precipitation quality, but also accelerates the precipitation speed and shortens the working time. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view of a heavy medium high-speed clarification and sedimentation equipment.
[0015] Figure 2 It is a top view of a heavy medium high-speed clarification and sedimentation equipment.
[0016] Figure 3 It is a connection schematic diagram of a separation and recovery machine. DETAILED DESCRIPTION
[0017] A kind of heavy medium high-speed clarification sedimentation equipment, including the mixing pool 1 of adding aluminum salt or iron salt coagulant, the injection pool 2 of adding micro-sand, PAC and PAM, flocculation pool 3 and sedimentation tank 4;The mixing pool 1, injection pool 2, flocculation pool 3 and sedimentation tank 4 are sequentially communicated;Mixing pool 1 is equipped with water inlet 5 for transporting raw water, and sedimentation tank 4 is equipped with sludge outlet 6, and the sludge outlet 6 is communicated with the input end of separation recovery machine 8 by conveying pipeline 7, and the conveying pipeline 7 is equipped with sludge pump 9 for driving sludge, sludge pump 9 provides power for sludge at sludge outlet 6, and control valve 10 is respectively arranged on the two sides of sludge pump 9, and control valve 10 can control the direction of sludge;The first output end of separation recovery machine 8 is communicated with injection pool 2 by recovery pipeline for recovering micro-sand 11, and the second output end is communicated with sludge transfer tank 13 by sludge discharge pipe 12;Sludge transfer tank 13 is communicated with sludge concentration tank by sludge conveying pipeline 14.Raw water enters into mixing pool 1 by water inlet 5, and aluminum salt or iron salt coagulant will make suspended solids and colloidal particles in raw water unstable, then raw water enters into injection pool 2, micro-sand 11 will provide adsorption core for suspended solids and colloidal particles in raw water, PAM and PAC accelerate the adsorption capacity of suspended solids and colloidal particles in raw water, form large volume and large weight high-density flocculation body with micro-sand 11 as core, then enter into flocculation pool 3, the flocculation body in flocculation pool 3 will continue to adsorb each other to form larger flocculation body, facilitate sedimentation.Finally, it enters into sedimentation tank 4, after raw water enters into sedimentation tank 4, by channel to the bottom of sedimentation tank 4, the flocculation body with larger weight will sink to the bottom of sedimentation tank 4 to form sludge, and the clean water will rise to the top of sedimentation tank 4.A little micro-sand 11 will be formed in sludge, and the mixture of micro-sand 11 and sludge enters into separation recovery machine 8 by conveying pipeline 7, and separation recovery machine 8 separates micro-sand 11 and sludge by centrifugal effect, sludge enters sludge transfer tank 13 by sludge discharge pipe 12, and micro-sand 11 reenters injection pool 2 by recovery pipeline for use.Finally, the sludge in sludge transfer tank 13 is sent to sludge concentration tank by sludge conveying pipeline 14 under the action of sludge transfer pump 47.
[0018] The mixing pool 1, the injection pool 2 and the flocculation pool 3 are respectively provided with a stirrer, each of which comprises a stirring motor 21, a stirring rod 22 and a plurality of blades 23, one end of the stirring rod 22 is connected with the driving end of the stirring motor 21, and the other end is connected with the plurality of blades 23, the plurality of blades 23 are spirally and uniformly arranged along the circumference of the stirring rod 22. The stirrer in the mixing pool 1 quickly stirs after raw water enters the mixing pool 1 and aluminum or iron salt coagulant is added, so as to accelerate the destabilization of suspended solids and colloidal particles, and the raw water can stay in the mixing pool 1 for about 1-2 minutes. The stirrer in the injection pool 2 quickly stirs after raw water enters the injection pool 2 and micro-sand 11, PAC and PAM are added, the PAC and PAM are respectively produced by a PAC production machine and a PAM production machine and injected into the injection pool, so as to accelerate the reaction between the micro-sand 11, the PAC and the PAM and the suspended solids and colloidal particles in the raw water to form flocculation. The stirring intensity of the stirrer in the flocculation pool 3 is smaller than that of the stirrers in the mixing pool 1 and the injection pool 2 after raw water enters the flocculation pool 3, so as to not only keep the flocculation in a suspended state, but also prevent the formed flocculation from being damaged.
[0019] The sedimentation pool 4 is provided with a mud scraper, the mud scraper comprises a mud scraping motor 31, a linkage rod 32 and a plurality of mud scraping plates 33, one end of the linkage rod 32 is connected with the output end of the mud scraping motor 31, and the other end is connected with the plurality of mud scraping plates 33, the plurality of mud scraping plates 33 are uniformly arranged along the circumference of the linkage rod 32, and the mud scraping plates 33 are adapted to the surface of the flow guide block. The sedimentation pool 4 is provided with a water collecting tank 34 at the top, a slant pipe 35 at the middle and a flow guide block 36 at the bottom, the water collecting tank 34 is communicated with a supernatant outlet 37, the slant pipe 35 is arranged at the middle of the sedimentation pool 4 at an angle of 45°, and the flow guide block 36 gradually decreases from the periphery to the middle, the mud discharge port 6 is arranged on the flow guide block 36, so as to facilitate the faster movement of sludge to the mud discharge port 6. After the raw water enters the sedimentation pool 4, the formed flocculation with large mass will sink to the bottom of the sedimentation pool 4, and the flocculation forming sludge is sent to the mud discharge port 6 by the mud scraping plates 33. The clear water with small mass and the flocculation with small mass will continue to rise, the flocculation with small mass stops moving and adheres to the slant pipe 35 when contacting the slant pipe 35 in the rising process, and the flocculation with small mass sinks to the bottom of the sedimentation pool 4 after more flocculation with small mass adheres and forms flocculation with large mass. The clear water with small mass will continue to rise until reaching the water collecting tank 34 and being discharged through the supernatant outlet 37.
[0020] The first water inlet 41 is arranged on the upper side wall of the mixing tank 1, the second water inlet 42 is arranged on the upper side wall of the injection tank 2, the third water inlet 43 is arranged on the bottom of the side wall of the injection tank 2, the fourth water inlet 44 is arranged on the bottom of the side wall of the flocculation tank 3, and the fifth water inlet 45 is arranged on the upper side wall of the flocculation tank 3. The first water inlet 41 is communicated with the second water inlet 42 through a rubber joint 46, the third water inlet 43 is communicated with the fourth water inlet 44 through a rubber joint 46, and the fifth water inlet 45 is communicated with the sedimentation tank 4 through a rubber joint 46. The raw water enters the mixing tank 1 from the water inlet 5 arranged on the bottom of the side wall of the mixing tank 1, then enters the injection tank 2 from the first water inlet 41 on the upper side wall of the mixing tank 1 through the second water inlet 42, then enters the flocculation tank 3 from the third water inlet 43 arranged on the bottom of the side wall of the injection tank 2 through the fourth water inlet 44, and finally enters the sedimentation tank 4 through the fifth water inlet 45. The raw water enters the mixing tank 1 from the bottom of the mixing tank 1, and when the raw water enters the mixing tank 1, an upward pressure is generated, so that the raw water enters the injection tank 2 from the upper part, the raw water enters the injection tank 2 from the upper part and moves downward under the action of gravity, so that the raw water enters the flocculation tank 3 from the lower part, the raw water provides an upward force after entering the flocculation tank 3 from the lower part, and the raw water finally enters the sedimentation tank 4 through the upper part of the flocculation tank 3. By means of the pressure generated by the raw water and the gravity, the circulation speed of the raw water is improved, and the sedimentation efficiency is improved.
[0021] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or replacements made by those skilled in the art within the scope of the present application should also be within the scope of the present application.
Claims
1. A dense medium high-speed clarifying settling device, characterized in that, The mixed pool comprises adding aluminum salt or iron salt coagulant, adding micro-sand, PAC and PAM injection pool, flocculation tank and sedimentation tank; the mixed pool, injection pool, flocculation tank and sedimentation tank are communicated in sequence; the mixed pool is provided with a water inlet for conveying raw water, and the sedimentation tank is provided with a sludge discharge port, which is communicated with the input end of a separation and recovery machine through a conveying pipeline; the first output end of the separation and recovery machine is communicated with the injection pool through a recovery pipeline for recovering micro-sand, and the second output end is communicated with a sludge transfer tank through a sludge discharge pipeline; the sludge transfer tank is communicated with a sludge concentration tank through a sludge conveying pipeline.
2. A dense medium high speed clarifying and settling apparatus according to claim 1 wherein, The mixed pool, injection pool and flocculation tank are respectively provided with a stirrer, each of which comprises a stirring motor, a stirring rod and a plurality of blades, one end of the stirring rod is connected with the driving end of the stirring motor, and the other end is connected with the plurality of blades; the plurality of blades are spirally and uniformly arranged along the circumference of the stirring rod.
3. A dense medium high speed clarifying and settling apparatus according to claim 1 wherein, The sedimentation tank is provided with a sludge scraper, which comprises a sludge scraping motor, a linkage rod and a plurality of sludge scraping plates; one end of the linkage rod is connected with the output end of the sludge scraping motor, and the other end is connected with the plurality of sludge scraping plates, which are uniformly arranged along the circumference of the linkage rod.
4. A dense medium high-speed clean bed apparatus according to claim 3, wherein, The sedimentation tank is provided with a water collecting tank at the top, a inclined pipe at the middle and a flow guide block at the bottom, and the water collecting tank is communicated with a supernatant outlet; the inclined pipe is arranged at the middle of the sedimentation tank at an angle of 45°; the flow guide block gradually decreases from the periphery to the middle, and the sludge discharge port is arranged on the flow guide block; the sludge scraping plate is adapted to the surface of the flow guide block.
5. A dense medium high-speed clean bed apparatus according to claim 3, wherein, The mixed pool is provided with a first water inlet, the injection pool is provided with a second water inlet and a third water inlet, the flocculation tank is provided with a fourth water inlet and a fifth water inlet; the first water inlet is arranged on the upper side wall of the mixed pool, the second water inlet is arranged on the upper side wall of the injection pool, the third water inlet is arranged at the bottom of the side wall of the injection pool, the fourth water inlet is arranged at the bottom of the side wall of the flocculation tank, and the fifth water inlet is arranged on the upper side wall of the flocculation tank.
6. A dense medium high-speed clean bed apparatus according to claim 5 wherein, The first water inlet is communicated with the second water inlet through a rubber joint, the third water inlet is communicated with the fourth water inlet through a rubber joint, and the fifth water inlet is communicated with the sedimentation tank through a rubber joint.
7. A dense medium high speed clarifying and settling apparatus according to claim 1 wherein, The conveying pipeline is provided with a sludge pump for driving sludge, and the sludge pump is provided with control valves on both sides.