CN220056524U - Spiral reflux horizontal anaerobic reaction device - Google Patents
Spiral reflux horizontal anaerobic reaction device Download PDFInfo
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- CN220056524U CN220056524U CN202320529152.5U CN202320529152U CN220056524U CN 220056524 U CN220056524 U CN 220056524U CN 202320529152 U CN202320529152 U CN 202320529152U CN 220056524 U CN220056524 U CN 220056524U
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- reaction tank
- tank body
- reaction
- water inlet
- gas collection
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 100
- 238000010992 reflux Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000010802 sludge Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000011300 coal pitch Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000010806 kitchen waste Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 46
- 239000007788 liquid Substances 0.000 description 7
- 239000010865 sewage Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000005352 clarification Methods 0.000 description 2
- 239000011294 coal tar pitch Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- LYKJEJVAXSGWAJ-UHFFFAOYSA-N compactone Natural products CC1(C)CCCC2(C)C1CC(=O)C3(O)CC(C)(CCC23)C=C LYKJEJVAXSGWAJ-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a spiral reflux horizontal anaerobic reaction device, belongs to the field of environmental protection equipment, and solves the problems that the existing kitchen waste water reactor is too high, difficult to operate and use and poor in treatment effect; a baffle plate for dividing the interior of the reaction tank into a plurality of reaction chambers is arranged in the reaction tank, and a water inlet conduit for communicating two adjacent reaction chambers is arranged on one side of the baffle plate; the upper part of the reaction chamber is provided with a gas collection assembly and a three-phase separator arranged at the bottom end of the gas collection assembly, and the height from the water inlet of the water inlet guide pipe to the bottom of the reaction tank body is greater than the height from the three-phase separator to the bottom of the reaction tank body; the novel kitchen wastewater treatment system has the advantages of compact integral structure, large length-diameter ratio, small occupied area, high volume load, simple operation, suitability for new construction or standard improvement of a kitchen wastewater treatment system with small water volume and high solid content, and good treatment effect.
Description
Technical Field
The utility model belongs to the field of environmental protection equipment, relates to a kitchen waste water treatment system with small water volume, high COD and high solid content, and in particular relates to a spiral backflow horizontal anaerobic reactor.
Background
The COD treatment process of kitchen wastewater is various, wherein anaerobic process is the most common, and the current industry application mainly comprises A/O, IC, UASB and other processes, the structural form of equipment is not fixed, and the kitchen wastewater is usually designed according to specific conditions. The total design of the tank body of the general anaerobic UASB system exceeds 10m, and the diameter of the tank body of the kitchen sewage with small water volume is small, so that the problem of difficult construction is caused.
In addition, current chinese patent publication No. CN207793005U discloses a horizontal anaerobic reactor of excess sludge, including the main reactor, be equipped with the first mud mouth of putting in mud for the first time in main reactor top one end, be equipped with the screw conveyor that can stir mud and have transport function in main reactor bottom, main reactor bottom ejection of compact one end is equipped with the feed inlet that can send into screw conveyor with mud, screw conveyor bottom one end is equipped with out the mud mouth, still is equipped with the removal rabbling mechanism that can increase mud mobility in the main reactor.
The above description has the following problems that the horizontal anaerobic reactor with the structure is a primary reactor, and the problems of poor sludge precipitation performance, low COD removal rate and system sludge leakage are easy to exist when kitchen waste water is treated.
Disclosure of Invention
The utility model aims to provide a spiral reflux horizontal anaerobic reaction device, which solves the problems that the existing kitchen waste water reactor is too high in height, difficult to operate and use and poor in treatment effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a spiral reflux horizontal anaerobic reaction device, which comprises a horizontally placed reaction tank body, wherein one end of the reaction tank body is provided with a water inlet, the other end of the reaction tank body is provided with a water outlet, and the bottom of the reaction tank body is provided with a spiral conveying mechanism for discharging sludge out of the reaction tank body;
a plurality of baffles are arranged in the reaction tank along the axial direction of the reaction tank, the baffles divide the reaction tank into a plurality of reaction chambers, and one side of each baffle is provided with a water inlet conduit communicated with two adjacent reaction chambers;
the upper part of each reaction chamber is provided with a gas collecting assembly and a three-phase separator, the three-phase separator is arranged at the bottom end of the gas collecting assembly, the gas outlet of the three-phase separator is communicated with the gas inlet of the gas collecting assembly, and the height from the water inlet of the water inlet guide pipe to the bottom of the reaction tank body is greater than the height from the three-phase separator to the bottom of the reaction tank body.
Further, the spiral conveying mechanism comprises a spiral conveying box with an opening at the upper end, a rotating rod arranged in the spiral conveying box in a rotating mode, a spiral blade which is arranged on the rotating rod in a spiral mode and used for conveying sludge, and a driving motor for driving the rotating rod to rotate, wherein one end of a motor shaft of the driving motor stretches into the spiral conveying box and is connected with the rotating rod through a coupler.
Further, the gas collection assembly comprises a vertically arranged gas collection pipe, the bottom end of the gas collection pipe is communicated with the gas outlet of the three-phase separator, and the top end of the gas collection pipe extends upwards to the outside of the reaction chamber.
Further, the number of the gas collecting pipes is multiple and the gas collecting pipes are uniformly distributed along the radial direction of the reaction chamber, the number of the three-phase separators corresponds to the number of the gas collecting pipes, the top end of each gas collecting pipe is provided with a control valve, and two adjacent control valves are connected through a connecting pipe.
Further, the pipe of intaking is in including the honeycomb duct of vertical setting and setting branch pipe water inlet of honeycomb duct one side, the bottom downwardly extending of honeycomb duct extremely screw conveyer's top, the top of honeycomb duct upwards extends to the outside of reaction chamber, the top of honeycomb duct is semicircle arcuation setting, branch pipe water inlet runs through the baffle.
Further, the reaction tank body is made of 304 stainless steel or carbon steel coated with coal tar pitch for corrosion prevention.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the spiral reflux horizontal anaerobic reaction device has compact integral structure, large length-diameter ratio, small occupied area, high volume load and simple operation, and is very suitable for new construction or standard improvement of a kitchen wastewater treatment system with small water volume and high solid content, which is in tension; meanwhile, when the spiral backflow horizontal anaerobic reaction device with the structure is used for treating kitchen waste water, an anaerobic environment can be formed under the configuration of space and time in double dimensions, so that COD in the kitchen waste water can be removed, and the treatment effect is good.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a front cross-sectional view of the overall structure in a preferred embodiment of the present utility model;
FIG. 2 is an enlarged partial view of the overall structure in the preferred embodiment of the present utility model;
FIG. 3 is a side cross-sectional view of the overall structure in a preferred embodiment of the utility model;
wherein reference numerals are as follows:
1. a reaction tank body;
2. a water inlet;
3. a water outlet;
4. a screw conveying mechanism; 41. a screw conveyor box; 42. a rotating lever; 43. propeller blades; 44. a driving motor;
5. a partition plate;
6. a reaction chamber; 61. a precipitation zone; 62. a liquid clarification zone;
7. a water inlet conduit; 71. a flow guiding pipe; 72. a branch pipe water inlet;
8. a gas collection assembly; 81. a gas collection tube; 82. a control valve; 83. a connecting pipe;
9. a three-phase separator; 91. a first swash plate; 92. and a second sloping plate.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, 2 and 3, the spiral reflux horizontal anaerobic reaction device provided by the utility model comprises a horizontally placed reaction tank body 1, wherein the reaction tank body 1 is of a cylindrical barrel type structure, and the reaction tank 1 is prepared from 304 stainless steel or carbon steel coated with coal tar pitch for corrosion prevention, so that the reaction tank body 1 has good corrosion resistance, and the service life of the reaction tank body 1 is prolonged. One end of the reaction tank body 1 is provided with a water inlet 2, the other end of the reaction tank body 1 is provided with a water outlet 3, and the bottom of the reaction tank body 1 is provided with a spiral conveying mechanism 4 for conveying sludge from a water inlet end to a water outlet end; the screw conveyor 4 comprises a screw conveyor box 41 with an opening at the upper end, a rotating rod 42 rotatably arranged in the screw conveyor box 41, a screw blade 43 spirally arranged on the rotating rod 42 and used for conveying sludge, and a driving motor 44 for driving the rotating rod 42 to rotate, wherein one end of a motor shaft of the driving motor 44 extends into the screw conveyor box 41 and is connected with the rotating rod 42 through a coupler.
Referring to fig. 1, 2 and 3, the inside of the reaction tank 1 is provided with a plurality of partitions 5 along the axial direction thereof, the partitions 5 divide the inside of the reaction tank 1 into a plurality of reaction chambers 6, and one side of each partition 5 is provided with a water inlet conduit 7 communicating two adjacent reaction chambers 6; the water inlet guide pipe 7 comprises a guide pipe 71 which is vertically arranged and a branch pipe water inlet 72 which is arranged at one side of the guide pipe 71, the bottom end of the guide pipe 71 downwards extends to the upper part of the spiral conveying mechanism 4, the top end of the guide pipe 71 upwards extends to the outside of the reaction chamber 6, the top end of the guide pipe 71 is arranged in a semicircular arc shape, and the branch pipe water inlet 72 penetrates through the partition plate 5. After the sewage enters the reaction tank body 1, multistage reaction can be formed through a plurality of reaction chambers 6, and the sewage can be further and effectively treated, so that the treatment effect is better; the sewage can be introduced into the plurality of reaction chambers 6 from the water inlet 2 in sequence through the water inlet conduit 7 until the treated liquid is discharged from the water outlet 3.
Referring to fig. 1, 2 and 3, the upper part of each reaction chamber 6 is provided with a gas collecting assembly 8 and a three-phase separator 9, the three-phase separator 9 is arranged at the bottom end of the gas collecting assembly 8, the gas outlet of the three-phase separator 9 is communicated with the gas inlet of the gas collecting assembly 8, the height from the branch pipe water inlet 72 of the water inlet pipe 7 to the bottom of the reaction tank 1 is greater than the height from the three-phase separator 8 to the bottom of the reaction tank 1, namely, the branch pipe water inlet 72 of the water inlet pipe 7 is positioned above the three-phase separator 9; the three-phase separator 9 is used for separating gas, liquid and solid in the fermented kitchen waste water, the three-phase separator 9 is of an inverted V-shaped structure, namely the three-phase separator comprises a first inclined plate 91 and a second inclined plate 92 which are connected, the first inclined plate 91 and the second inclined plate 92 are used for separating solids, an included angle is formed between the first inclined plate 91 and the second inclined plate 92, an auxiliary cavity for collecting gas is formed by surrounding, and a gas outlet communicated with the gas collecting assembly 8 is formed in the top end of the auxiliary cavity. The reaction chamber 6 is divided into a sedimentation zone 61 and a liquid clarification zone 62 by the three-phase separator 9, gas generated after kitchen waste water is fermented in the reaction chamber 6 is led out from an auxiliary chamber gas outlet at the top of the three-phase separator 9 and is discharged out of the reaction chamber 6 by the gas collecting assembly 8, when the gas content is more to drive sludge to float upwards, the sludge is precipitated under the action of the first inclined plate 91 and the second inclined plate 92 in the three-phase separator 9 at this time, a large amount of sludge is prevented from entering the next reaction chamber 6, and clarified liquid overflows into the next reaction chamber 6 through the water inlet guide pipe 7.
Referring to fig. 1, 2 and 3, the working process is that sewage enters the front end of the reaction tank body 1 from the water inlet 2, after the sewage level therein reaches the position of the branch water inlet 72 of the water inlet conduit 7, overflows to the first reaction chamber 6 through the branch water inlet 72 of the water inlet conduit 7, and is fermented in the first reaction chamber 6, gas generated after fermentation is led out through the top of the three-phase separator 9 and is discharged out of the reaction chamber 6 through the gas collecting assembly 8, primarily clarified sewage overflows into the second reaction chamber 6 again through the branch water inlet 72 of the water inlet conduit 7 positioned in the second reaction chamber 6, is subjected to fermentation treatment in the second reaction chamber 6 again, is sequentially subjected to multi-stage fermentation treatment after that, and finally treated liquid is discharged out through the water outlet 3 of the reaction tank body 1, wherein sludge precipitated at the bottom of each reaction chamber 6 is discharged out of the reaction tank body 1 through the screw conveying mechanism 4.
Referring to fig. 1, 2 and 3, the gas collection assembly 8 includes a vertically disposed gas collection pipe 81, the bottom end of the gas collection pipe 81 communicates with the gas outlet of the three-phase separator 9, and the top end of the gas collection pipe 81 extends upward to the outside of the reaction chamber 6; the number of the gas collecting pipes 81 is multiple and the gas collecting pipes 81 are uniformly distributed along the radial direction of the reaction chamber 6, the number of the three-phase separators 9 corresponds to the number of the gas collecting pipes 81, the top end of each gas collecting pipe 81 is provided with a control valve 82, two adjacent control valves 82 are connected through a connecting pipe 83, and the gas discharging speed can be regulated by arranging the plurality of gas collecting pipes 81 and arranging the control valves 82 at the top ends of the gas collecting pipes 81; and three-phase separator 9 is arranged at the bottom end of each gas collecting pipe 81, a plurality of three-phase separators 9 are arranged in parallel in a row, in the three-phase separator 9, the second inclined plate 92 of one three-phase separator 9 faces the first inclined plate 91 of the adjacent other three-phase separator 9, a through-flow opening for the clarified liquid to flow through is formed between the second inclined plate 92 of one three-phase separator 9 and the first inclined plate 91 of the adjacent other three-phase separator 9, and the projection part of the second inclined plate 92 of one three-phase separator 9 and the first inclined plate 91 of the adjacent other three-phase separator 9 on the section are overlapped, so that the effect of blocking can be better achieved by arranging the plurality of three-phase separators 9, and the sludge deposited on the first inclined plate 91 and/or the second inclined plate 92 of the three-phase separator 9 can smoothly slide down through the gravity of the sludge, thereby ensuring the separation between the sludge and the water body.
To sum up: the reaction tank 1 is internally provided with a plurality of baffle plates 5 along the axial direction, the baffle plates 5 divide the interior of the reaction tank 1 into a plurality of reaction chambers 6, the bottom of the reaction tank 1 is provided with a spiral conveying mechanism 4 for conveying sludge from a water inlet end to a water outlet end, the upper part of each reaction chamber 6 is provided with a gas collecting component 8 and a three-phase separator 9, and the three-phase separator 9 is arranged at the bottom end of the gas collecting component 8, so that the spiral backflow horizontal anaerobic reaction device has the advantages of compact integral structure, large length-diameter ratio, small occupied area, high volume load, simple operation and suitability for new construction or standard improvement of kitchen wastewater treatment systems with small water volume and high solid content; meanwhile, when the spiral backflow horizontal anaerobic reaction device with the structure is used for treating kitchen waste water, an anaerobic environment can be formed under the configuration of space and time in double dimensions, so that COD in the kitchen waste water can be removed, and the treatment effect is good.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The spiral reflux horizontal anaerobic reaction device is characterized by comprising a horizontally placed reaction tank body (1), wherein a water inlet (2) is formed in one end of the reaction tank body (1), a water outlet (3) is formed in the other end of the reaction tank body (1), and a spiral conveying mechanism (4) for discharging sludge out of the reaction tank body (1) is arranged at the bottom of the reaction tank body (1);
a plurality of partition boards (5) are arranged in the reaction tank body (1) along the axial direction of the reaction tank body, the partition boards (5) divide the interior of the reaction tank body (1) into a plurality of reaction chambers (6), and one side of each partition board (5) is provided with a water inlet conduit (7) communicated with two adjacent reaction chambers (6);
every the upper portion of reaction chamber (6) all is provided with gas collection subassembly (8) and three-phase separator (9), three-phase separator (9) set up the bottom of gas collection subassembly (8), just the gas outlet of three-phase separator (9) with the air inlet intercommunication of gas collection subassembly (8), water inlet (2) of intake pipe (7) are extremely highly being greater than of reaction tank body (1) bottom three-phase separator (9) extremely the height of reaction tank body (1) bottom.
2. The spiral reflux horizontal anaerobic reaction device according to claim 1, wherein the spiral conveying mechanism (4) comprises a spiral conveying box (41) with an opening at the upper end, a rotating rod (42) rotatably arranged in the spiral conveying box (41) and a propeller blade (43) spirally arranged on the rotating rod (42) and used for conveying sludge, and further comprises a driving motor (44) for driving the rotating rod (42) to rotate, and one end of a motor shaft of the driving motor (44) stretches into the spiral conveying box (41) and is connected with the rotating rod (42) through a coupler.
3. The spiral-flow horizontal anaerobic reaction device according to claim 1 or 2, wherein the gas collection assembly (8) comprises a vertically arranged gas collection pipe (81), the bottom end of the gas collection pipe (81) is communicated with the gas outlet of the three-phase separator (9), and the top end of the gas collection pipe (81) extends upwards to the outside of the reaction chamber (6).
4. A spiral-flow horizontal anaerobic reaction apparatus according to claim 3, wherein the number of the gas collection pipes (81) is plural and uniformly distributed along the radial direction of the reaction chamber (6), the number of the three-phase separators (9) corresponds to the number of the gas collection pipes (81), the top end of each gas collection pipe (81) is provided with a control valve (82), and two adjacent control valves (82) are connected by a connecting pipe (83).
5. The spiral reflux horizontal anaerobic reaction device according to any one of claims 1, 2 or 4, wherein the water inlet conduit (7) comprises a vertically arranged guide pipe (71) and a branch pipe water inlet (72) arranged at one side of the guide pipe (71), the bottom end of the guide pipe (71) extends downwards to the upper part of the spiral conveying mechanism (4), the top end of the guide pipe (71) extends upwards to the outside of the reaction chamber (6), the top end of the guide pipe (71) is arranged in a semicircular arc shape, and the branch pipe water inlet (72) penetrates through the partition board (5).
6. The spiral reflux horizontal anaerobic reaction device according to claim 5, wherein the reaction tank body (1) is made of 304 stainless steel or carbon steel material coated with coal pitch for corrosion prevention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320529152.5U CN220056524U (en) | 2023-03-17 | 2023-03-17 | Spiral reflux horizontal anaerobic reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320529152.5U CN220056524U (en) | 2023-03-17 | 2023-03-17 | Spiral reflux horizontal anaerobic reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056524U true CN220056524U (en) | 2023-11-21 |
Family
ID=88755191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320529152.5U Active CN220056524U (en) | 2023-03-17 | 2023-03-17 | Spiral reflux horizontal anaerobic reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056524U (en) |
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- 2023-03-17 CN CN202320529152.5U patent/CN220056524U/en active Active
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