CN111498971B - High-efficient clarification separator - Google Patents
High-efficient clarification separator Download PDFInfo
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- CN111498971B CN111498971B CN202010447710.4A CN202010447710A CN111498971B CN 111498971 B CN111498971 B CN 111498971B CN 202010447710 A CN202010447710 A CN 202010447710A CN 111498971 B CN111498971 B CN 111498971B
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- pipe
- floc
- floccule
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- 238000005352 clarification Methods 0.000 title claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000002156 mixing Methods 0.000 claims abstract description 76
- 238000012216 screening Methods 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 238000005189 flocculation Methods 0.000 claims description 12
- 230000016615 flocculation Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 abstract description 18
- 239000010865 sewage Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 15
- 229940079593 drug Drugs 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a high-efficiency clarification separation device, which comprises a device cylinder (9), a dosing pipe (13), a water inlet pipe (14) and a lower sludge discharge pipe (15), wherein a sludge floc screening cylinder (6), a mixing stirring cylinder (8), a lower sludge hopper (11) and a floc guide pipe (10) are arranged in the device cylinder (9), the floc guide pipe (10) is positioned between the mixing stirring cylinder (8) and the sludge floc screening cylinder (6), the upper part of the lower sludge hopper (11) is communicated with the lower part of the lower sludge hopper (11) through the floc guide pipe (10), and the dosing pipe (13) can inject a medicament between the lower end of the mixing stirring cylinder (8) and the lower sludge hopper (11). The high-efficiency clarification separation device can effectively avoid the breakage of large-particle sludge flocs, has good treatment effect on suspended matters in sewage on the basis of reducing the drug addition amount and maintenance workload, and greatly reduces the operation cost.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a high-efficiency clarification separation device.
Background
The removal of suspended matter and total phosphorus in sewage is a problem frequently encountered in sewage treatment processes. The removal effect is improved, the effect and the cost of the treatment process are related, and the method has very important significance in the aspects of energy conservation, environmental protection and the like. The sedimentation separation method of the conventional coagulating sedimentation equipment is difficult to separate the solids cleanly, and the dosage is high. In addition, the conventional sedimentation separation method has the defects of long liquid residence time, large equipment occupation area and the like. In order to further purify the liquid, the process is often matched with filtration operations, such as sand filtration, filter pressing and the like. The sand filter has the advantages of simple structure, easy acquisition of filter materials, lower general treatment capacity, complicated cleaning, larger power consumption for filter pressing, insufficient economy and complex equipment when treating a large amount of sewage, and the large sludge flocs are easy to break along with the movement of water flow after being formed, and the broken sludge flocs are more difficult to form large sludge flocs, so that the sedimentation separation effect is not ideal.
Disclosure of Invention
In order to solve the problem that the use effect of the existing sedimentation separation equipment is not ideal, the invention provides the efficient clarification separation device which can effectively avoid the breakage of large-particle sludge flocs, and has good treatment effect on suspended matters in sewage and greatly reduces operation cost on the basis of reducing the drug addition amount and maintenance workload.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high-efficient clarification separator, including the equipment barrel, add the pencil, inlet tube and lower mud pipe, be equipped with mud floc screening cylinder in the equipment barrel, mix the churn, lower mud bucket and floc honeycomb duct, mix the churn cover and locate in the mud floc screening cylinder, the lower mud bucket is located the below that mixes churn and mud floc screening cylinder, the floc honeycomb duct is located between mixing the churn and the mud floc screening cylinder, the upper end of floc honeycomb duct is the entry end, the lower extreme of floc honeycomb duct is the exit end, the floc honeycomb duct is connected with lower mud bucket, the top of lower mud bucket and the below of lower mud bucket pass through floc honeycomb duct intercommunication, add the pencil can pour into the medicament into between the lower extreme of mixing the churn and the lower mud bucket, the inlet tube can pour into the sewage that waits to be handled down between the lower extreme of mixing the churn and the lower mud bucket, the mud pipe can be discharged the mud that the lower mud pipe subsided below.
The sludge floc screening cylinder, the mixing stirring cylinder and the lower mud bucket are all in an upright state, the axis of the sludge floc screening cylinder, the axis of the mixing stirring cylinder and the axis of the lower mud bucket are coincident, a first annular cavity is formed between the equipment cylinder and the sludge floc screening cylinder, and a second annular cavity is formed between the sludge floc screening cylinder and the mixing stirring cylinder.
A plurality of floccule guide pipes are arranged between the mixing stirring cylinder and the sludge floccule screening cylinder, are arranged at intervals along the circumferential direction of the mixing stirring cylinder, are in an upright state and pass through the lower mud bucket.
The inlet end of the floccule honeycomb duct is positioned above the mixing stirring cylinder, the inlet end of the floccule honeycomb duct faces the axis of the mixing stirring cylinder, and the outlet end of the floccule honeycomb duct is of a horn-shaped structure.
The lower mud bucket comprises an upper cone and a lower disc which are connected up and down, the diameter of the upper end of the upper cone is larger than that of the lower end of the upper cone, the upper end of the upper cone is fixedly connected with the equipment cylinder in a sealing way, and the floc guide pipe is fixedly connected with the lower disc.
The outlet end of the water inlet pipe is connected with the lower disc, a plurality of water outlets are arranged on the lower disc, the water outlets are arranged at intervals along the circumferential direction of the outlet end of the water inlet pipe, and the water outlets are positioned between the outlet end of the water inlet pipe and the floccule honeycomb duct.
The exit end of inlet tube is equipped with the necking down section, and the exit end of inlet tube up, adds the medicine pipe and passes down the mud bucket, and the exit end that adds the medicine pipe is located the top of the exit end of inlet tube, and the exit end that adds the medicine pipe is towards the axis of mixing drum.
The sludge floc screening cylinder comprises an upper straight cylinder section and a lower cone cylinder section which are connected up and down, the diameter of the upper end of the lower cone cylinder section is larger than that of the lower end of the lower cone cylinder section, the upper end of the mixing and stirring cylinder is positioned in the upper straight cylinder section, and the lower end of the mixing and stirring cylinder is positioned below the lower cone cylinder section.
The sludge floc screening cylinder is internally provided with a sludge feeding hopper which is positioned above the mixing stirring cylinder and the floc guide pipe, the sludge feeding hopper is connected with a sludge discharging pipe, and the sludge discharging pipe can discharge the settled sludge in the sludge feeding hopper.
The device cylinder is internally and sequentially provided with a water outlet weir, an inclined pipe and a water baffle from top to bottom, the water baffle is positioned above the sludge floc screening cylinder and is of an annular conical structure, the diameter of the upper end of the water baffle is larger than that of the lower end of the water baffle, the upper end of the water baffle is fixedly connected with the device cylinder in a sealing way, and the diameter of the lower end of the water baffle is larger than or equal to that of the upper end of the sludge floc screening cylinder.
The beneficial effects of the invention are as follows:
1. the mixing quality of the medicament is high, the adding amount is reduced, and the operation cost is low. The inside of the clarification separation device is provided with a high-speed mixing area, the medicines are fully mixed, and the residual medicines in the clarification separation device can flow back along with the small sludge flocs, so that the mixing effect and the utilization rate of the medicines are improved.
2. The sedimentation effect of the sludge is good, and the sewage treatment effect is good. The clarifying separation device is internally provided with a sludge floc screening area and an unpowered sludge reflux area, and the device is preferably used for removing large sludge flocs, so that the sludge flocs are large, the sludge sedimentation effect is good, and the effluent indexes of total phosphorus and solid suspended matters can stably reach the first-level A standard.
3. The device does not need an additional power source and is low in operation cost. The clarifying separation device does not need to add an additional power source in the operation process, and the high-pressure water inlet provided by a water pump is used as power, so that the operation cost is far lower than that of the conventional coagulating sedimentation device.
4. Can adapt to a great deal of change of suspended matter content in sewage. When suspended matters exceed standards in a short period, the effluent can be ensured to reach the standard through the filter layer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic structural view of the high-efficiency clarification separation device of the present invention.
Fig. 2 is an enlarged schematic view of the lower portion of fig. 1.
Fig. 3 is a schematic diagram of the structure of a floc draft tube.
Fig. 4 is a schematic structural view of the lower mud bucket.
FIG. 5 is a schematic diagram of the structure of a sludge floc screening drum.
1. A water outlet weir; 2. a water outlet; 3. a chute; 4. a water baffle; 5. feeding a mud bucket; 6. a sludge floc screening cylinder; 7. an upper sludge discharge pipe; 8. a mixing and stirring cylinder; 9. an equipment cylinder; 10. a floc guide pipe; 11. a mud bucket is arranged; 12. a water outlet; 13. a dosing tube; 14. a water inlet pipe; 15. a lower sludge discharge pipe;
61. an upper straight barrel section; 62. a lower cone section;
111. a cone is arranged on the upper part; 112. and a lower disc.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a high-efficient clarification separator, including equipment barrel 9, charge pipe 13, inlet tube 14 and lower mud pipe 15, be equipped with mud floc screening tube 6 in the equipment barrel 9, mixing drum 8, lower mud bucket 11 and floc honeycomb duct 10, mixing drum 8 cover is located in mud floc screening tube 6, lower mud bucket 11 is located mixing drum 8 and mud floc screening tube 6's below, floc honeycomb duct 10 is located between mixing drum 8 and mud floc screening tube 6, the upper end of floc honeycomb duct 10 is the entry end, the lower extreme of floc honeycomb duct 10 is the exit end, floc honeycomb duct 10 and lower mud bucket 11 are connected, the top of lower mud bucket 11 and the below of lower mud bucket 11 pass through floc honeycomb duct 10 intercommunication, charge pipe 13 can be to the lower extreme of mixing drum 8 and the injection medicament between the lower mud bucket 11, inlet tube 14 can be to the lower extreme of mixing drum 8 and the sewage of waiting to handle between lower mud bucket 11, mud pipe 15 can be with the discharge of the subsided mud of lower mud bucket 11 below, as shown in fig. 1 and 2.
The flocculation reagent and the sewage to be treated are mixed and stirred in the mixing and stirring cylinder 8 and move upwards to be converted into sludge floc particles and the treated clean water, wherein the sludge floc particles are changed from small to large, and are subjected to centrifugal force, most of the large sludge flocs enter the inlet end of the floc guide pipe 10 and enter the lower sediment of the lower mud bucket 11 to be collected through the floc guide pipe 10, so that the large sludge flocs are prevented from being broken in the flowing process of water flow, and the sedimentation separation effect is improved.
In this embodiment, the apparatus cylinder 9, the sludge floc screening cylinder 6, the mixing stirring cylinder 8 and the lower sludge hopper 11 are all in an upright state, and the axis of the apparatus cylinder 9, the axis of the sludge floc screening cylinder 6, the axis of the mixing stirring cylinder 8 and the axis of the lower sludge hopper 11 coincide. The mixing drum 8 is internally provided with a helical blade, the lower end of the mixing drum 8 is an inlet end, and the upper end of the mixing drum 8 is an outlet end.
A first annular cavity is formed between the equipment cylinder 9 and the sludge floc screening cylinder 6, a second annular cavity is formed between the sludge floc screening cylinder 6 and the mixing stirring cylinder 8, a first set interval exists between the lower end of the sludge floc screening cylinder 6 and the lower mud bucket 11, a first set interval exists between the lower end of the mixing stirring cylinder 8 and the lower mud bucket 11, and the mixing stirring cylinder 8 is positioned at the middle lower part in the equipment cylinder 9, as shown in fig. 1.
In this embodiment, a plurality of floccule guide pipes 10 are arranged between the mixing drum 8 and the sludge floccule screening drum 6, the plurality of floccule guide pipes 10 are uniformly arranged at intervals along the circumferential direction of the mixing drum 8, the floccule guide pipes 10 are in an upright state, the inner diameter of each floccule guide pipe 10 is suitable for large sludge floccules to pass through, the inner diameter of each floccule guide pipe 10 can be 40cm-50cm, the floccule guide pipes 10 are fixedly connected with the lower sludge hopper 11 in a sealing manner, the floccule guide pipes 10 pass through the lower sludge hopper 11, the inlet ends of the floccule guide pipes 10 are positioned at the upper ends of the floccule guide pipes 10, and the outlet ends of the floccule guide pipes 10 are positioned at the lower ends of the floccule guide pipes 10.
The floccule honeycomb duct 10 is of an inverted L-shaped structure, the floccule honeycomb duct 10 comprises a horizontal section and a vertical section which are connected in sequence, the inlet end of the floccule honeycomb duct 10 is positioned above the mixing drum 8, the inlet end of the floccule honeycomb duct 10 faces the axis of the mixing drum 8, and the outlet end of the floccule honeycomb duct 10 is of a horn-shaped structure. The inlet end of the floc draft tube 10 may also be configured in a horn mouth type structure, and the distance from the inlet end of the floc draft tube 10 to the axis of the mixing drum 8 is less than or equal to the radius of the mixing drum 8, as shown in fig. 1 and 3.
In this embodiment, the lower mud bucket 11 includes an upper cone 111 and a lower disc 112 connected up and down, the lower mud bucket 11 is in an integral structure, the upper cone 111 is in a cone cylindrical structure with the top end facing down and the bottom end facing up, the diameter of the upper end of the upper cone 111 is larger than that of the lower end of the upper cone 111, the upper end of the upper cone 111 is fixedly connected with the device cylinder 9 in a sealing manner, and the floc guide pipe 10 is fixedly connected with the lower disc 112 as shown in fig. 4.
The outlet end of the water inlet pipe 14 is connected with the middle part of the lower disc 112, a plurality of water outlets 12 are arranged on the lower disc 112, the water outlets 12 are uniformly arranged at intervals along the circumference of the outlet end of the water inlet pipe 14, the water outlets 12 are positioned around the outlet end of the water inlet pipe 14, the water outlets 12 are positioned between the outlet end of the water inlet pipe 14 and the floc guide pipe 10, the upper part of the lower disc 112 and the lower part of the lower disc 112 are communicated through the water outlets 12, and the precipitated clean water below the lower disc 112 can enter the upper part of the lower disc 112 through the water outlets 12.
In this embodiment, the outlet end of the water inlet pipe 14 is provided with a necking section, the outlet end of the water inlet pipe 14 faces upwards, the dosing pipe 13 passes through the lower mud bucket 11, the outlet end of the dosing pipe 13 is located above the outlet end of the water inlet pipe 14, and the outlet end of the dosing pipe 13 faces the axis of the mixing drum 8. The constriction may create a negative pressure zone between the outlet end of the inlet pipe 14 and the lower end of the mixing drum 8. The dosing pipe 13, the water inlet pipe 14 and the lower mud discharging pipe 15 are sequentially arranged at intervals from top to bottom.
The dosing tube 13 comprises a first horizontal section, a vertical section and a second horizontal section which are sequentially connected, the dosing tube 13 penetrates through the equipment cylinder 9, and the inlet end of the dosing tube 13 is positioned outside the equipment cylinder 9. The water inlet pipe 14 comprises a vertical section and a horizontal section which are connected in sequence, the water inlet pipe 14 passes through the equipment cylinder 9, the water inlet pipe 14 is positioned below the lower mud bucket 11, and the inlet end of the water inlet pipe 14 is positioned outside the equipment cylinder 9. The lower mud pipe 15 is the horizontality, and mud pipe 15 passes equipment barrel 9 down, and the entry end of mud pipe 15 is located the below of lower mud bucket 11 down, and the entry end of mud pipe 15 is located in the bottom of equipment barrel 9 down, and the entry end of mud pipe 15 is located outside the bottom of equipment barrel 9 down.
In this embodiment, the sludge floc screening cylinder 6 includes an upper straight cylinder section 61 and a lower cone cylinder section 62 which are connected up and down, the lower cone cylinder section 62 is of a cone cylinder structure with the top end facing down and the bottom end facing up, the diameter of the upper end of the lower cone cylinder section 62 is larger than the diameter of the lower end of the lower cone cylinder section 62, the upper end of the mixing cylinder 8 is located in the upper straight cylinder section 61, and the lower end of the mixing cylinder 8 is located below the lower cone cylinder section 62, as shown in fig. 1 and 5.
In this embodiment, a sludge hopper 5 is arranged in the sludge floc screening cylinder 6, the sludge hopper 5 is located above the mixing stirring cylinder 8 and the floc guide pipe 10, the sludge hopper 5 is connected with an upper sludge discharge pipe 7, and the upper sludge discharge pipe 7 can discharge the settled sludge in the sludge hopper 5. The upper mud discharging pipe 7 is in a horizontal state, the upper mud discharging pipe 7 penetrates through the equipment cylinder 9 and the upper mud bucket 5, the inlet end of the upper mud discharging pipe 7 is positioned in the upper mud bucket 5, and the outlet end of the upper mud discharging pipe 7 is positioned outside the equipment cylinder 9.
In this embodiment, still from the top down is equipped with play weir 1, pipe chute 3 and breakwater 4 in proper order in the equipment barrel 9, and breakwater 4 is located mud floc screening cylinder 6's top, and breakwater 4 is annular conical structure, and breakwater 4 is the conical tubular structure of top towards the bottom up, and the upper end diameter of breakwater 4 is greater than the lower extreme diameter of breakwater 4, and the upper end and the sealed fixed connection of equipment barrel 9 of breakwater 4, and the lower extreme diameter of breakwater 4 is greater than or equal to mud floc screening cylinder 6's upper end diameter.
The sludge floc screening cylinder 6 is fixed in the equipment cylinder 9 through a connecting piece, the water outlet 2 is arranged outside the water outlet weir 1, the inlet end of the water outlet 2 is connected with the equipment cylinder 9, the outlet end of the water outlet 2 is positioned outside the equipment cylinder 9, the outlet end of the water outlet 2 is provided with a flange structure, and clean water collected by the water outlet weir 1 is discharged from the water outlet 2. The chute 3 comprises a plurality of plastic tubes which are arranged obliquely relative to the axis of the device cylinder 9. The chute 3 serves to increase the surface load of the sedimentation zone.
The operation of the high-efficiency clarification separation device is described below.
The flocculation reagent is injected between the lower end of the mixing drum 8 and the lower mud bucket 11 through the reagent feeding pipe 13, the sewage to be treated is injected between the lower end of the mixing drum 8 and the lower mud bucket 11 through the water inlet pipe 14, the flocculation reagent and the sewage to be treated are mixed and stirred in the mixing drum 8 and move upwards in a rotating way, and are converted into sludge floc particles and treated clean water, wherein the sludge floc particles are changed from small to large, the large sludge flocs are easier to separate from the axis of the mixing drum 8 after being discharged from the upper end of the mixing drum 8 under the action of centrifugal force than the small sludge flocs, so that a sludge floc screening area is formed between the upper end of the mixing drum 8 and the upper mud bucket 5, most of the large sludge flocs enter the inlet end of the floc guide pipe 10 and enter the lower mud bucket 11 through the floc guide pipe 10 to be deposited and collected, and the large sludge flocs are prevented from being broken in the flowing process along with water flow, and the small sludge flocs are prevented from flowing back into the mixing drum 8, as shown in fig. 1.
Most of the large sludge flocs enter the lower part of the lower sludge hopper 11 to be deposited and collected, and the deposited and concentrated sludge is discharged through the lower sludge discharge pipe 15 at regular intervals. The settled clean water enters between the lower end of the mixing drum 8 and the lower mud bucket 11 through the water outlet 12.
The other part of large sludge flocs and the treated clean water sequentially pass through the second annular cavity and the first annular cavity and continue to move upwards, wherein part of the large sludge flocs enter the upper mud bucket 5 to concentrate the sludge, the large sludge flocs are regularly discharged through the upper mud discharging pipe 7, the sewage is intercepted again by the sludge flocs through the inclined pipe 3 and the water baffle 4, and the clean water is discharged through the water outlet 2 after passing through the water outlet weir 1.
The mixing drum 8 is used for realizing the mixing of the medicine and the sewage. The sludge floc screening cylinder 6 can realize the screening of the sludge floc size. The sludge floc guide pipe 10 can guide large sludge flocs to the lower part of the lower sludge hopper 11. The upper sludge discharge pipe 7 and the lower sludge discharge pipe 15 realize the discharge of concentrated sludge.
The outlet end of the water inlet pipe 14 is provided with a necking section, so that the efficient high-pressure sewage transportation can be realized. The drug delivery tube 13 may enable delivery of the drug. The inclined tube 3 is a plastic bending piece, so that the surface load of a sedimentation area is increased; the water outlet weir 1 is an annular water outlet weir plate, and the water distribution of the water outlet is realized. The water outlet 2 can realize water discharge.
The high-efficiency clarification separation device has the following advantages:
1. the mixing quality of the medicament is high, the adding amount is reduced, and the operation cost is low. The inside of the high-efficiency clarification separation device is provided with a mixing stirring cylinder, the medicines are fully mixed, and the residual medicines in the high-efficiency clarification separation device can flow back along with the small sludge flocs, so that the mixing effect and the utilization rate of the medicines are improved.
2. The device is provided with a sludge floc guide pipe, so that large sludge flocs can be guided to the lower sludge hopper, and the large sludge flocs are prevented from being broken in the flowing process along with water flow.
3. The sedimentation effect of the sludge is good, and the sewage treatment effect is good. The high-efficiency clarification separation device is internally provided with a sludge floc screening area and an unpowered sludge reflux area, and is preferably used for removing large sludge flocs, so that the sludge flocs are large, the sludge sedimentation effect is good, and the total phosphorus and SS effluent indexes can stably reach the first-level A standard.
4. The device does not need an additional power source and is low in operation cost. The high-efficiency clarification separation device does not need to add an additional power source in the operation process, and the high-pressure water fed by a water pump is used as power, so that the operation cost is far lower than that of the conventional coagulating sedimentation device.
5. Can adapt to a great deal of change of suspended matter content in sewage. When suspended matters exceed standards in a short period, the effluent can be ensured to reach the standard through the filter layer.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical characteristics, the technical characteristics and technical scheme and the technical scheme can be freely combined for use.
Claims (1)
1. The efficient clarification and separation device is characterized by comprising a device cylinder (9), a dosing tube (13), a water inlet tube (14) and a lower sludge discharge tube (15), wherein a sludge flocculation screening cylinder (6), a mixing stirring cylinder (8), a lower sludge hopper (11) and a flocculation guide tube (10) are arranged in the device cylinder (9), the mixing stirring cylinder (8) is sleeved in the sludge flocculation screening cylinder (6), the lower sludge hopper (11) is positioned below the mixing stirring cylinder (8) and the sludge flocculation screening cylinder (6), the flocculation guide tube (10) is positioned between the mixing stirring cylinder (8) and the sludge screening cylinder (6), the upper end of the flocculation guide tube (10) is an inlet end, the lower end of the flocculation guide tube (10) is an outlet end, the flocculation guide tube (10) is connected with the lower sludge hopper (11), the upper part of the lower sludge hopper (11) is communicated with the lower part of the lower sludge hopper (11) through the flocculation guide tube (10), the dosing tube (13) can be filled into the space between the lower end of the mixing stirring cylinder (8) and the lower sludge hopper (11), and the sludge can be discharged between the lower sludge hopper (11) and the lower sludge discharge tube (14) and the sludge discharge tube (11) can be filled into the space between the lower sludge hopper (11) and the lower sludge discharge tube (11);
the sludge floc screening cylinder (6), the mixing stirring cylinder (8) and the lower sludge hopper (11) are all in an upright state, the axis of the sludge floc screening cylinder (6), the axis of the mixing stirring cylinder (8) and the axis of the lower sludge hopper (11) are overlapped, a first annular cavity is formed between the equipment cylinder (9) and the sludge floc screening cylinder (6), and a second annular cavity is formed between the sludge floc screening cylinder (6) and the mixing stirring cylinder (8);
a plurality of floccule guide pipes (10) are arranged between the mixing stirring cylinder (8) and the sludge floccule screening cylinder (6), the plurality of floccule guide pipes (10) are arranged at intervals along the circumferential direction of the mixing stirring cylinder (8), the floccule guide pipes (10) are in an upright state, and the floccule guide pipes (10) penetrate through the lower mud hopper (11);
the floccule flow guide pipe (10) is of an inverted L-shaped structure, the inlet end of the floccule flow guide pipe (10) is positioned above the mixing drum (8), the inlet end of the floccule flow guide pipe (10) faces the axis of the mixing drum (8), and the outlet end of the floccule flow guide pipe (10) is of a horn-shaped structure;
the lower mud bucket (11) comprises an upper cone (111) and a lower disc (112) which are connected up and down, the diameter of the upper end of the upper cone (111) is larger than that of the lower end of the upper cone (111), the upper end of the upper cone (111) is fixedly connected with the equipment cylinder (9) in a sealing way, and the floccule guide pipe (10) is fixedly connected with the lower disc (112);
the outlet end of the water inlet pipe (14) is connected with the lower disc (112), a plurality of water outlets (12) are arranged on the lower disc (112), the water outlets (12) are arranged at intervals along the circumferential direction of the outlet end of the water inlet pipe (14), and the water outlets (12) are positioned between the outlet end of the water inlet pipe (14) and the floccule guide pipe (10);
the outlet end of the water inlet pipe (14) is provided with a necking section, the outlet end of the water inlet pipe (14) faces upwards, the dosing pipe (13) passes through the lower mud bucket (11), the outlet end of the dosing pipe (13) is positioned above the outlet end of the water inlet pipe (14), and the outlet end of the dosing pipe (13) faces the axis of the mixing drum (8);
the sludge floc screening cylinder (6) comprises an upper straight cylinder section (61) and a lower cone cylinder section (62) which are connected up and down, the diameter of the upper end of the lower cone cylinder section (62) is larger than that of the lower end of the lower cone cylinder section (62), the upper end of the mixing and stirring cylinder (8) is positioned in the upper straight cylinder section (61), and the lower end of the mixing and stirring cylinder (8) is positioned below the lower cone cylinder section (62);
an upper mud bucket (5) is arranged in the mud floc screening cylinder (6), the upper mud bucket (5) is positioned above the mixing stirring cylinder (8) and the floc guide pipe (10), the upper mud bucket (5) is connected with an upper mud discharging pipe (7), and the upper mud discharging pipe (7) can discharge the settled mud in the upper mud bucket (5);
still from the top down is equipped with play water weir (1), pipe chute (3) and breakwater (4) in proper order in equipment barrel (9), and breakwater (4) are located the top of mud floc screening cylinder (6), and breakwater (4) are annular circular cone form structure, and the upper end diameter of breakwater (4) is greater than the lower extreme diameter of breakwater (4), the upper end and the sealed fixed connection of equipment barrel (9) of breakwater (4), and the lower extreme diameter of breakwater (4) is greater than or equal to the upper end diameter of mud floc screening cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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