CN113387423A - High-efficiency energy-saving coagulation reactor - Google Patents
High-efficiency energy-saving coagulation reactor Download PDFInfo
- Publication number
- CN113387423A CN113387423A CN202110798872.7A CN202110798872A CN113387423A CN 113387423 A CN113387423 A CN 113387423A CN 202110798872 A CN202110798872 A CN 202110798872A CN 113387423 A CN113387423 A CN 113387423A
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- China
- Prior art keywords
- reaction tank
- flocculation
- pipe
- communicated
- energy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005345 coagulation Methods 0.000 title claims abstract description 28
- 230000015271 coagulation Effects 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- 238000005189 flocculation Methods 0.000 claims abstract description 68
- 230000016615 flocculation Effects 0.000 claims abstract description 68
- 239000010802 sludge Substances 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses an efficient energy-saving coagulation reactor, relates to the technical field of coagulation reaction equipment, and solves the problems of large occupied area, complex structure and low working efficiency of the conventional coagulation reaction precipitation device. The system comprises a mixing reaction tank, wherein the top of the mixing reaction tank is communicated with a sewage inlet pipe and a coagulation dosing pipe, and the mixing reaction tank is communicated with a plurality of flocculation reaction tanks through on-off valves; the top of the flocculation reaction tank is communicated with a flocculation dosing pipe, the flocculation reaction tank is also communicated with a drain pipe and a sludge discharge pipe, a baffle and a bottom plate which are arranged from top to bottom are also arranged in the flocculation reaction tank, the baffle and the bottom plate are obliquely arranged and have opposite oblique directions, and the lower end of the baffle is provided with an opening communicated with the upper side of the bottom plate. The flocculation and gravity sedimentation work of being convenient for when having reached the mixing reaction, it is little to take up an area of, efficient effect.
Description
Technical Field
The invention relates to the technical field of coagulation reaction equipment, in particular to a high-efficiency energy-saving coagulation reactor.
Background
In the industrial sewage treatment, a medicament is added into the sewage, and the sewage and the medicament are fully mixed, so that colloidal substances in the sewage are coagulated or flocculated, the comprehensive process is called coagulation, and the coagulation and precipitation mainly comprises three processes of medicament adding and mixing, flocculation and gravity precipitation and is used for removing suspended matters and colloidal substances in the sewage. However, the existing coagulation reaction sedimentation device has large occupied area, and the structure is complicated and the working efficiency is low due to inconsistent time and stirring strength required by mixing, flocculation and gravity sedimentation.
Disclosure of Invention
The invention aims to provide an efficient and energy-saving coagulation reactor which is convenient for flocculation and gravity sedimentation work while mixing reaction, small in occupied area and high in efficiency.
The technical purpose of the invention is realized by the following technical scheme:
an efficient energy-saving coagulation reactor comprises a mixing reaction tank, wherein the top of the mixing reaction tank is communicated with a sewage inlet pipe and a coagulation dosing pipe, and the mixing reaction tank is communicated with a plurality of flocculation reaction tanks through on-off valves;
the top of the flocculation reaction tank is communicated with a flocculation dosing pipe, the flocculation reaction tank is also communicated with a drain pipe and a sludge discharge pipe, a baffle and a bottom plate which are arranged from top to bottom are also arranged in the flocculation reaction tank, the baffle and the bottom plate are obliquely arranged and have opposite oblique directions, and the lower end of the baffle is provided with an opening communicated with the upper side of the bottom plate.
Furthermore, stirring devices are arranged in the mixing reaction tank and the flocculation reaction tank.
Furthermore, the flocculation reaction tank comprises a liquid inlet groove above and a reaction area below, the mixing reaction tank is communicated to the liquid inlet groove corresponding to the flocculation reaction tank, a plurality of liquid inlet pipes are arranged in the accommodating groove, the top ends of the liquid inlet pipes are consistent in height, and the bottom ends of the liquid inlet pipes are communicated to the reaction area.
Furthermore, a circle of bearing ring is arranged in the flocculation reaction tank, the outer periphery of the bearing ring is connected to the inner peripheral wall of the flocculation reaction tank, a ring edge extends upwards from the inner periphery of the bearing ring, the ring edge is higher than the top end of the liquid inlet pipe, and a liquid inlet groove is formed by the bearing ring, the ring edge and the inner peripheral surface of the flocculation reaction tank in a surrounding mode.
Furthermore, the bottom end of the flocculation dosing pipe is communicated with a reaction area of the flocculation reaction tank.
Furthermore, an inclined plate is arranged in the mixing reaction tank, the inclined plate is arranged in the opening direction of the inner end of the sewage inlet pipe in a blocking mode, and one side, close to the peripheral wall of the mixing reaction tank, of the inclined plate inclines downwards.
Furthermore, the periphery of the flocculation reaction tank is provided with an access window, and the bottom plate is connected to the inner side of the access window.
Furthermore, the upper side and the lower side of the bottom plate are connected with abutting rods which abut against the lower side of the baffle and the inner side surface of the bottom of the flocculation reaction tank respectively.
Furthermore, the sludge discharge pipes are all provided with on-off valves, the outer ends of the sludge discharge pipes on the flocculation reaction tanks are all communicated with a sludge discharge pump, and the output end of the sludge discharge pump is communicated with the sludge treatment unit.
Furthermore, a cleaning pipe is arranged at the top of the flocculation reaction tank.
In conclusion, the invention has the following beneficial effects:
by arranging the mixing reaction tank and the flocculation reaction tanks, flocculation and gravity sedimentation work is facilitated while mixing reaction is carried out, the occupied area is small, and the efficiency is high;
by arranging the bearing ring and the plurality of liquid inlet pipes, the inlet flow speed of the flocculation reaction tank can be improved, and flocculate is prevented from being damaged by buffering through the plurality of liquid inlet pipes;
through the setting of baffle and bottom plate, the stability of the bottom precipitate when being convenient for improve the drainage improves drainage efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure, 1, a mixing reaction tank; 11. a sewage inlet pipe; 12. coagulating a dosing pipe; 13. a sloping plate; 2. a flocculation reaction tank; 21. a flocculation dosing pipe; 22. a drain pipe; 23. a sludge discharge pipe; 24. cleaning the tube; 26. a baffle plate; 27. a sludge discharge pump; 3. a bearing ring; 31. encircling; 32. a liquid inlet pipe; 4. an access panel; 41. a base plate; 42. a connecting rod is abutted.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the invention.
An energy-efficient coagulation reactor, as shown in figure 1, comprises a mixing reaction tank 1, the mixing reaction tank 1, a sewage inlet pipe 11 and a coagulation dosing pipe 12 which are communicated with the top of the mixing reaction tank 1, wherein the mixing reaction tank 1 is communicated with two flocculation reaction tanks 2 through on-off valves. In this embodiment, the coagulation chemical feeding pipe 12 is connected to the lower end of the sewage inlet pipe 11, and both are opened and closed by an electric valve.
Stirring devices are arranged in the mixing reaction tank 1 and the flocculation reaction tank 2 to meet the stirring requirement. After a certain amount of coagulant is continuously added into the mixing reaction tank 1, mechanical stirring is carried out for 60r/min at a certain rotating speed, and the residence time of the reactor is as follows: 5-10 min; then introducing the mixture into one flocculation reaction tank 2, continuously adding a certain amount of coagulant aid, and mechanically stirring the mixture at a certain rotating speed for 30r/min, wherein the reactor residence time is as follows: 15-30 min; and finally, carrying out sludge-water separation to ensure that the effluent contains no suspended matters basically.
In order to avoid water from impacting the stirring device, an inclined plate 13 is fixed in the mixing reaction tank 1, the inclined plate 13 is arranged in the opening direction of the inner end of the sewage inlet pipe 11 in a blocking manner, and the inclined plate 13 inclines downwards close to one side of the outer peripheral wall of the mixing reaction tank 1 and guides water to the inner peripheral wall.
The top of the flocculation reaction tank 2 is communicated with a flocculation dosing pipe 21, and the bottom of the flocculation reaction tank is also communicated with a drainage pipe 22 and a sludge discharge pipe 23; in order to keep the stability of the sediment during drainage, a baffle 26 and a bottom plate 41 which are arranged up and down are also arranged in the flocculation reaction tank 2, the baffle 26 and the bottom plate 41 are arranged in an inclined way and have opposite inclined directions, the lower end of the baffle 26 is provided with an opening communicated with the upper side of the bottom plate 41, and the lower end of the bottom plate 41 is provided with an opening communicated with the bottom of the flocculation reaction tank 2; the drain pipe 22 is located above the upper end of the baffle 26, which can also further improve the drainage stability by means of a decanter, and a filter screen is provided to improve the drainage quality.
In order to reduce the impact when water enters the flocculation reaction tank 2, the flocculation reaction tank 2 comprises an upper liquid inlet tank and a lower reaction zone, the mixing reaction tank 1 is communicated to the liquid inlet tank corresponding to the flocculation reaction tank 2, a plurality of liquid inlet pipes 32 are uniformly arranged in the containing tank, the top ends of the liquid inlet pipes 32 are consistent in height, and the bottom ends of the liquid inlet pipes are communicated to the reaction zone; the bottom end of the flocculation dosing pipe 21 is also directly communicated with the reaction area of the flocculation reaction tank 2.
Specifically, be equipped with round in the flocculation reaction tank 2 and hold ring 3, agitating unit passes from holding 3 middle of the ring, hold 3 peripheries of ring and pass through screw or welded mode and connect on 2 internal perisporium of flocculation reaction tank, interior week upwards extends has a surrounding edge 31, surrounding edge 31 highly is higher than feed liquor pipe 32 top and welds in 2 tops of flocculation reaction tank, hold ring 3, the surrounding edge 31 encloses into the feed liquor groove with 2 inner peripheral surfaces of flocculation reaction tank, 32 threaded connection of feed liquor pipe has the butt in the solid fixed ring who holds 3 upsides of ring.
The periphery of the flocculation reaction tank 2 is detachably connected with an access window 4 through screws, and the bottom plate 41 is welded on the inner side of the access window 4. The upper side and the lower side of the bottom plate 41 are connected with abutting rods 42 through screws, and the abutting rods abut against the lower side of the baffle plate 26 and the inner side surface of the bottom of the flocculation reaction tank 2 respectively, so that the stability of the positions of the bottom plate 41 and the baffle plate 26 is improved.
The top of the flocculation reaction tank 2 is also connected with a cleaning pipe 24 so as to be cleaned independently. The bottom sludge discharge pipe 23 is positioned below the lowest point of the bottom plate 41, on which on-off valves are arranged, the outer ends of the sludge discharge pipes 23 on the flocculation reaction tanks 2 are communicated with a sludge discharge pump 27, and the output end of the sludge discharge pump 27 is communicated with the sludge treatment unit.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a high-efficient energy-conserving coagulation reactor which characterized in that: the system comprises a mixing reaction tank (1), wherein the top of the mixing reaction tank (1) is communicated with a sewage inlet pipe (11) and a coagulation dosing pipe (12), and the mixing reaction tank (1) is communicated with a plurality of flocculation reaction tanks (2) through on-off valves;
flocculation retort (2) top intercommunication has flocculation dosing pipe (21), still communicates drain pipe (22) and mud pipe (23) on it, still is equipped with baffle (26) and bottom plate (41) that set up from top to bottom in flocculation retort (2), and baffle (26) and bottom plate (41) slope set up and incline direction is opposite, and baffle (26) lower extreme is equipped with the opening with bottom plate (41) upside intercommunication.
2. The energy-efficient coagulation reactor of claim 1, wherein: stirring devices are arranged in the mixing reaction tank (1) and the flocculation reaction tank (2).
3. The energy-efficient coagulation reactor according to claim 1 or 2, characterized in that: flocculation reaction jar (2) include the feed liquor groove of top and the reaction zone of below, mix retort (1) intercommunication to the feed liquor inslot that corresponds flocculation reaction jar (2), are equipped with a plurality of feed liquor pipes (32) in the storage tank, and feed liquor pipe (32) top highly uniform, the bottom communicates to the reaction zone in.
4. The energy-efficient coagulation reactor of claim 3, wherein: be equipped with round in flocculation reaction tank (2) and hold ring (3), hold ring (3) periphery and connect on flocculation reaction tank (2) internal perisporium, interior circumference upwards extends has a surrounding edge (31), and surrounding edge (31) highly is higher than feed liquor pipe (32) top, holds ring (3), surrounding edge (31) and flocculation reaction tank (2) inner peripheral surface and encloses into the feed liquor groove.
5. The energy-efficient coagulation reactor of claim 3, wherein: the bottom end of the flocculation dosing pipe (21) is communicated with a reaction area of the flocculation reaction tank (2).
6. The energy-efficient coagulation reactor of claim 1, wherein: be equipped with swash plate (13) in mixing reaction jar (1), swash plate (13) keep off and locate sewage and advance the inner opening direction of pipe (11), and swash plate (13) are close to mixing reaction jar (1) periphery wall one side downward sloping.
7. The energy-efficient coagulation reactor of claim 1, wherein: the periphery of the flocculation reaction tank (2) is provided with an access window (4), and the bottom plate (41) is connected to the inner side of the access window (4).
8. The energy-efficient coagulation reactor of claim 7, wherein: the upper side and the lower side of the bottom plate (41) are connected with abutting rods (42) which abut against the lower side of the baffle plate (26) and the inner side surface of the bottom of the flocculation reaction tank (2) respectively.
9. The energy-efficient coagulation reactor of claim 1, wherein: the sludge discharge pipe (23) is provided with an on-off valve, the outer end of the sludge discharge pipe (23) on each flocculation reaction tank (2) is communicated with a sludge discharge pump (27), and the output end of the sludge discharge pump (27) is communicated with the sludge treatment unit.
10. The energy-efficient coagulation reactor according to claim 1 or 9, characterized in that: and a cleaning pipe (24) is arranged at the top of the flocculation reaction tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798872.7A CN113387423A (en) | 2021-07-15 | 2021-07-15 | High-efficiency energy-saving coagulation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798872.7A CN113387423A (en) | 2021-07-15 | 2021-07-15 | High-efficiency energy-saving coagulation reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113387423A true CN113387423A (en) | 2021-09-14 |
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ID=77626191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110798872.7A Pending CN113387423A (en) | 2021-07-15 | 2021-07-15 | High-efficiency energy-saving coagulation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113387423A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010274199A (en) * | 2009-05-28 | 2010-12-09 | Sumitomo Heavy Industries Environment Co Ltd | Coagulation sedimentation apparatus |
| CN108658192A (en) * | 2018-05-25 | 2018-10-16 | 李宝生 | A kind of hi-effect coagulation device and method |
| CN208229453U (en) * | 2018-03-31 | 2018-12-14 | 中铁第一勘察设计院集团有限公司 | Downflow system high-efficiency coagulative precipitation tank |
| CN211035473U (en) * | 2019-08-26 | 2020-07-17 | 首创爱华(天津)市政环境工程有限公司 | Advanced water supply treatment reaction device |
-
2021
- 2021-07-15 CN CN202110798872.7A patent/CN113387423A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010274199A (en) * | 2009-05-28 | 2010-12-09 | Sumitomo Heavy Industries Environment Co Ltd | Coagulation sedimentation apparatus |
| CN208229453U (en) * | 2018-03-31 | 2018-12-14 | 中铁第一勘察设计院集团有限公司 | Downflow system high-efficiency coagulative precipitation tank |
| CN108658192A (en) * | 2018-05-25 | 2018-10-16 | 李宝生 | A kind of hi-effect coagulation device and method |
| CN211035473U (en) * | 2019-08-26 | 2020-07-17 | 首创爱华(天津)市政环境工程有限公司 | Advanced water supply treatment reaction device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |
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| RJ01 | Rejection of invention patent application after publication |