CN220335020U - Box type sludge continuous aerobic digestion bioreactor - Google Patents
Box type sludge continuous aerobic digestion bioreactor Download PDFInfo
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- CN220335020U CN220335020U CN202321354549.1U CN202321354549U CN220335020U CN 220335020 U CN220335020 U CN 220335020U CN 202321354549 U CN202321354549 U CN 202321354549U CN 220335020 U CN220335020 U CN 220335020U
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- grating plate
- box
- discharging
- box body
- discharging grating
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- 239000010802 sludge Substances 0.000 title claims abstract description 40
- 230000029087 digestion Effects 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 88
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000007480 spreading Effects 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000010517 secondary reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a box-type sludge continuous aerobic digestion bioreactor which comprises a box body, wherein a feed inlet and an exhaust outlet are formed in the upper end of the box body, a discharge outlet is formed in the lower end of the box body, N layers of blanking grating plates are sequentially and fixedly arranged in the box body from top to bottom, the box body is divided into N+1 layers of reaction areas, the lowest reaction area is a discharge area, the discharge outlet is positioned in the discharge area, and preferably, the blanking grating plates are two layers; the upper discharging grating plate is connected with a power part which drives the upper discharging grating plate to reciprocate on the lower discharging grating plate, and when the upper discharging grating plate reciprocates, whether the material falls downwards from the through holes of the lower discharging grating plate or not is controlled; the through holes of the upper discharging grating plate and the lower discharging grating plate form blanking holes; an air supply pipe is arranged below the lowest lower discharging grating plate; the utility model has reasonable design, simple structure and convenient use, and realizes the subsequent continuous aerobic digestion biological reaction.
Description
Technical Field
The utility model relates to the field of sludge treatment, in particular to a box-type sludge continuous aerobic digestion bioreactor.
Background
The aerobic digestion bioreactor is an important device in the sludge treatment process, and materials are added into the reactor and oxygen is introduced into the reactor for aerobic digestion biological reaction; the existing aerobic digestion bioreactor is characterized in that a stirrer is arranged in a box body, and the reaction effect is improved on time through stirring; the existing reactor has the problems that the upper layer of sludge and the lower layer of sludge are uncontrollable, the materials in the whole box body can be discharged after the reaction is completed, the reaction can not be continuously carried out, and new materials can be added again for reaction only after the materials are discharged, so that the mode is low in efficiency and long in time consumption.
Disclosure of Invention
Therefore, in order to solve the defects, the utility model provides the box-type sludge continuous aerobic digestion bioreactor which is reasonable in design and simple in structure.
In particular to a box-type sludge continuous aerobic digestion bioreactor which comprises a box body, wherein the upper end of the box body is provided with a feed inlet and an exhaust outlet, the lower end of the box body is provided with a discharge outlet,
n layers of blanking grating plates are sequentially and fixedly arranged in the box body from top to bottom, the box body is divided into N+1 layers of reaction areas, the lowest reaction area is a discharge area, the discharge port is positioned in the discharge area, and preferably, the number of the blanking grating plates is two.
The upper discharging grating plate is connected with a power part which drives the upper discharging grating plate to reciprocate on the lower discharging grating plate, and when the upper discharging grating plate reciprocates, whether the material falls downwards from the through holes of the lower discharging grating plate or not is controlled; the through holes of the upper discharging grating plate and the lower discharging grating plate form blanking holes;
an air supply pipe is arranged below the lowest lower discharging grating plate.
According to the technical means, sludge can continuously react in the box body, the box body is divided into N+1 reaction areas through the plurality of layers of lower discharge grating plates, the lowest reaction area is a discharge area, N is the number of layers of the lower discharge grating plates, and each upper discharge grating plate is arranged above each lower discharge grating plate.
An oxygen supply vent is arranged below the box body, pressurized air is uniformly and quantitatively fed into the reactor through a pipeline, tail gas generated in the fermentation process is discharged through an exhaust port at the top, and in order to prevent sludge from being compressed in the reactor or bridging or incomplete aerobically digested sludge from being discharged during operation, a discharging area needs to be emptied. After the completion of the aerobic digestion of the sludge in the reaction zone above is confirmed by sampling detection, the power component drives the lower discharge carriage to move, the holes on the lower discharge grating plate are aligned with the holes on the lower discharge grating plate, the lower discharge channel is opened, the sludge in the reaction zone falls into the discharge zone, and is discharged through the discharge screw in the bottom discharge port. After the discharging is finished, the discharging sliding frame is moved to close the discharging hole, then the discharging hole on the upper layer is opened by the same operation, the sludge in the reaction zone of the upper stage sequentially enters the reaction zone of the lower stage, then the uppermost discharging hole is closed, the sludge level in the reaction zone of the uppermost is reduced, and the feeding from the top is started. With this circulation, the continuous aerobic digestion reaction of the sludge is completed.
In order to enable the materials in the reaction zone to fall out of the blanking hole better, optionally, at least one arch-breaking toothed plate is arranged on the upper end face of the upper discharging grating plate, and when the upper discharging grating plate moves, the materials are stirred or loosened through the arch-breaking toothed plate, so that the materials are discharged out of the blanking hole better.
In order to make the material of the uppermost reaction zone smoother, optionally, be provided with the shop material skeleton that is located the feed inlet below and is located the upper discharge grid board top of the uppermost layer in the box, this shop material skeleton is connected with the power component that drives the reciprocal motion of shop material skeleton. Through reciprocating motion's auxiliary material skeleton for the material in the reaction zone of top is more level and smooth, so that follow-up feeding, prevent that the material from piling up in the feed inlet below and influencing the feeding.
In order to allow a better estimation of the reciprocal movement of the upper discharge grid plate and the paver skeleton, the power member is optionally a drive cylinder with telescopic rods. The telescopic rod is connected with the upper discharging grating plate or the spreading framework, the driving oil cylinder is arranged on the box body, and the upper discharging grating plate or the spreading framework is driven to reciprocate by the driving oil cylinder.
For better discharging materials, optionally, a discharging auger is arranged at the discharging port, and the materials are discharged in a spiral conveying mode through the discharging auger.
The utility model has the following advantages:
the utility model has reasonable design, simple structure and convenient use, is a box-type sludge continuous aerobic digestion bioreactor, divides the box into a plurality of reaction areas by reasonably designing a plurality of layers of lower discharging grating plates in the box, and is provided with an upper discharging grating plate capable of moving back and forth above the lower discharging grating plate, and can control whether the materials in the upper reaction area fall into the lower reaction area or not through the upper discharging grating plate capable of moving back and forth, thereby realizing the subsequent continuous aerobic digestion biological reaction.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of an upper discharge grid plate according to the present utility model;
FIG. 3 is a schematic view of a bottom outlet grid plate according to the present utility model;
fig. 4 is a schematic view of a paver framework according to the present utility model.
Detailed Description
The following detailed description of the present utility model will provide clear and complete description of the technical solutions of embodiments of the present utility model, with reference to fig. 1-4, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.
The existing reactor has the problems that the upper layer of sludge and the lower layer of sludge are uncontrollable, the materials in the whole box body can be discharged after the reaction is completed, the reaction can not be continuously carried out, new materials can be added again for reaction only after the materials are discharged, and the mode is low in efficiency and long in time consumption.
Based on the above problems, the utility model provides a box-type sludge continuous aerobic digestion bioreactor which comprises a box body 1, wherein a feed inlet 7 and an exhaust outlet 6 are arranged at the upper end of the box body, a discharge outlet 91 is arranged at the lower end of the box body,
two layers of blanking grating plates 2 are sequentially and fixedly arranged in the box body 1 from top to bottom, the box body 1 is divided into a primary reaction zone, a secondary reaction zone and a discharge zone from top to bottom, the discharge zone adopts a bucket type discharge bucket 9, and the discharge port 91 is positioned in the discharge bucket 9;
an upper discharging grating plate 3 is arranged above the discharging grating plate 2 of each layer;
the upper discharging grating plate 3 is connected with a power part 8 which drives the upper discharging grating plate 3 to reciprocate on the lower discharging grating plate 2, and when the upper discharging grating plate 3 reciprocates, whether the material falls down from the through holes of the lower discharging grating plate or not is controlled; an air supply pipe 5 is arranged below the lowest lower discharging grating plate; the through holes of the upper discharging grating plate 3 and the lower discharging grating plate 2 form blanking holes 32;
the box is internally provided with a spreading framework 4 positioned below the feeding hole and above the upper discharging grating plate of the uppermost layer, and the spreading framework 4 is connected with a power component 8 for driving the spreading framework to reciprocate.
When the technical means is implemented, sludge enters the box body through the feeding hole at the top, the spreading framework at the top moves in a reciprocating and linear mode, the sludge is flatly paved in the reactor for aerobic digestion, the box body is provided with an upper layer of lower discharging grating plates, a first-stage reaction zone is arranged above the upper layer of lower discharging grating plates, a second-stage reaction zone is arranged between the lower layer of lower discharging grating plates and the upper layer of upper discharging grating plates, and a discharging zone is arranged below the lowest layer of lower discharging grating plates. An upper discharging grating plate is arranged on each layer of lower discharging grating plate, the upper discharging grating plate and the lower discharging grating plate are in a grating shape and driven by a hydraulic oil cylinder to move left and right, a blanking hole is formed by the upper discharging grating plate and the lower discharging grating plate, when the blanking hole above is aligned with the blanking hole below, a sludge discharging channel is opened, sludge falls downwards from the hole under the action of gravity, when the solid plate on the upper discharging grating plate and the blanking hole on the lower discharging grating plate are aligned (namely, the blanking hole above and the blanking hole below are staggered), the sludge discharging channel is in a closed state, and sludge is sealed above the upper discharging grating plate. The bottom of the box body is provided with an oxygen supply vent, the pressurized air is uniformly and quantitatively fed into the box body through a pipeline, tail gas generated in the fermentation process is discharged from an exhaust port at the top, and in operation, in order to prevent sludge from being compressed and deficient or bridging in the box body or sludge which is not completely digested aerobically, the discharge area needs to be emptied. After the completion of the aerobic digestion of the sludge in the secondary reaction zone is confirmed through sampling detection, the hydraulic oil cylinder drives the upper discharge grating plate to move, when the blanking holes on the upper discharge grating plate are aligned with the blanking holes on the lower discharge grating plate, the lower discharge channel is opened, the sludge in the secondary reaction zone falls into the discharge zone, and is sent out by a discharge screw at the bottom. After the discharging is finished, the upper discharging grating plate is driven to move through the hydraulic oil cylinder, the lower discharging channel is closed (namely, the blanking hole above and the blanking hole below are staggered), then the upper discharging channel is opened by the same operation, so that the sludge in the first-stage reaction zone enters the second-stage reaction zone, the upper discharging channel is closed, the sludge level in the first-stage reaction zone is reduced, and the feeding from the top is started. With this circulation, the continuous aerobic digestion reaction of the sludge is completed.
In order to enable the upper discharging grating plate 3 and the spreading framework 4 to move back and forth better, the power component is an optional driving oil cylinder with a telescopic rod. The telescopic rod is connected with the upper discharging grating plate or the spreading framework, the driving oil cylinder is arranged on the box body 1, and the upper discharging grating plate or the spreading framework is driven to reciprocate by the driving oil cylinder.
For better discharging materials, optionally, a discharging auger is arranged at the discharging port, and the materials are discharged in a spiral conveying mode through the discharging auger.
In order to enhance the spreading effect of the spreading skeleton 4, a plurality of spreading projections 41 are provided below the spreading skeleton 4.
In order to make the material in the reaction zone fall out of the blanking hole better, optionally, at least one arch-breaking toothed plate 31 is arranged on the upper end surface of the upper discharging grating plate 3, and when the upper discharging grating plate moves, the material is stirred or loosened by the arch-breaking toothed plate, so that the material is discharged out of the blanking hole better.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a continuous good oxygen digestion bioreactor of box mud, includes the box, is provided with feed inlet and gas vent in the upper end of box, is provided with the discharge gate in the lower extreme of box, its characterized in that:
n layers of blanking grating plates are sequentially and fixedly arranged in the box body from top to bottom, the box body is divided into N+1 layers of reaction areas, wherein the lowest reaction area is a discharge area, and the discharge port is positioned in the discharge area;
an upper discharging grating plate is arranged above the discharging grating plate of each layer;
the upper discharging grating plate is connected with a power part which drives the upper discharging grating plate to reciprocate on the lower discharging grating plate, and when the upper discharging grating plate reciprocates, whether the material falls downwards from the through holes of the lower discharging grating plate or not is controlled;
an air supply pipe is arranged below the lowest lower discharging grating plate.
2. A box-type sludge continuous aerobic digestion bioreactor according to claim 1, wherein: the through holes of the upper discharging grating plate and the lower discharging grating plate form blanking holes, and at least one arch breaking toothed plate is arranged on the upper end face of the upper discharging grating plate.
3. A box-type sludge continuous aerobic digestion bioreactor according to claim 1, wherein: the box is internally provided with a spreading framework which is positioned below the feeding hole and above the upper discharging grating plate of the uppermost layer, and the spreading framework is connected with a power component for driving the spreading framework to reciprocate.
4. A box-type sludge continuous aerobic digestion bioreactor according to claim 1 or 3, characterized in that: the power component is a driving oil cylinder with a telescopic rod.
5. A box-type sludge continuous aerobic digestion bioreactor according to claim 1, wherein: and a discharge auger is arranged at the discharge port.
6. A box-type sludge continuous aerobic digestion bioreactor according to claim 1, wherein: two layers of blanking grating plates are arranged in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321354549.1U CN220335020U (en) | 2023-05-31 | 2023-05-31 | Box type sludge continuous aerobic digestion bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321354549.1U CN220335020U (en) | 2023-05-31 | 2023-05-31 | Box type sludge continuous aerobic digestion bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220335020U true CN220335020U (en) | 2024-01-12 |
Family
ID=89450534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321354549.1U Active CN220335020U (en) | 2023-05-31 | 2023-05-31 | Box type sludge continuous aerobic digestion bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220335020U (en) |
-
2023
- 2023-05-31 CN CN202321354549.1U patent/CN220335020U/en active Active
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