CN211225542U - Sludge receiving and storing system for extracting microbial protein - Google Patents
Sludge receiving and storing system for extracting microbial protein Download PDFInfo
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- CN211225542U CN211225542U CN201922015729.7U CN201922015729U CN211225542U CN 211225542 U CN211225542 U CN 211225542U CN 201922015729 U CN201922015729 U CN 201922015729U CN 211225542 U CN211225542 U CN 211225542U
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- screw conveyor
- microbial protein
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Abstract
The utility model belongs to the technical field of sludge treatment equipment, in particular to a sludge receiving and storing system for extracting microbial protein; the system comprises a sludge receiving tank arranged in a sludge pit; one side of each sludge receiving tank is provided with a plurality of sludge storage bins matched with each other; the top of each sludge storage bin is provided with a bin top valve for controlling feeding, and the bottom of each sludge storage bin is provided with a bin bottom valve for controlling discharging; a plurality of feeding screw conveyors communicated with the bin top valve are arranged between the sludge receiving pool and the sludge storage bin; and a plurality of discharging screw conveyors communicated with the bin bottom valve are arranged between the sludge storage bin and the subsequent sludge treatment equipment. The utility model discloses a mode of mud receipt and storage system through a plurality of screw conveyer relays is with mud in the continuous transport mud storage feed bin of receiving pond in, and the extraction that carries out little bioprotein in subsequent sludge treatment equipment is sent to mud to the storehouse end valve that rethread control corresponds.
Description
Technical Field
The utility model relates to a sludge treatment equipment technical field, concretely relates to a mud is received and storage system for microbial protein draws.
Background
Along with the rapid development of national economy, the urbanization process is accelerated continuously, the total amount of domestic sewage and sludge is increased rapidly, all the challenges are brought to sewage treatment, simultaneously, the sludge in a sewage treatment plant is accumulated continuously, and secondary pollution is brought if the sludge is not treated and removed in time.
One existing sludge treatment technology is to treat sludge after anaerobic microbial fermentation treatment by a sludge concentration tank, sludge digestion, sludge dehydration, sludge treatment and other steps, pump the residual activated sludge to the sludge concentration tank for precipitation, and discharge supernatant to a return pipe for sewage retreatment; sludge dewatering is generally carried out by adopting a plate-and-frame machine, a belt filter press or a centrifuge, the water content of a dry sludge cake can reach below 80 percent after the dry sludge cake is treated by dewatering equipment with the water content of 94 percent, and then the dry sludge cake is sent to disposal measures such as landfill, sludge composting and incineration outside a factory by a sewage treatment plant.
Sludge receiving and storage systems are the primary steps of current sludge treatment technologies, and require transport of sludge to subsequent sludge treatment and disposal facilities. At present, sludge is transferred from a sludge tank to sludge treatment equipment and is mainly lifted and conveyed by a plunger pump; however, because the plunger pump occupies a large space and has small conveying capacity, the conveying speed of the sludge is limited to a certain extent, and the new sludge conveying vehicle cannot discharge the sludge into the sludge tank in time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a mud is received and storage system for microorganism protein draws to above-mentioned technical problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sludge receiving and storing system for extracting microbial protein comprises a sludge receiving tank arranged in a sludge pit;
one side of each sludge receiving tank is provided with a plurality of sludge storage bins matched with each other; the top of each sludge storage bin is provided with a bin top valve for controlling feeding, and the bottom of each sludge storage bin is provided with a bin bottom valve for controlling discharging; a plurality of feeding screw conveyors communicated with the bin top valve are arranged between the sludge receiving pool and the sludge storage bin; and a plurality of discharging screw conveyors communicated with the bin bottom valve are arranged between the sludge storage bin and the subsequent sludge treatment equipment.
Further, feeding screw conveyer includes that the level is established screw conveyer one, the level of mud receiving pool bottom are established screw conveyer two at all mud storage feed bin tops and vertical connection is at screw conveyer three between screw conveyer discharge gate and screw conveyer two feed inlets.
Further, the discharge screw conveyor comprises a screw conveyor IV horizontally arranged at the bottom of the sludge storage bin and a screw conveyor V horizontally arranged below the sludge storage bin; a discharge port of the screw conveyor V is connected with a vertical screw conveyor VI; an inclined spiral conveyor seventh is connected to a discharge port at the top of the spiral conveyor sixth; the tail end of the screw conveyor seven is connected with sludge treatment equipment; and a bin bottom valve is communicated between the screw conveyor five and each sludge storage bin.
Further, the inclination angle of the spiral conveyor seven is less than 25 °.
Further, an automatic switch cover is arranged at the top end of the sludge pit.
Further, a negative pressure exhaust pipe communicated with the sludge receiving tank is arranged on the automatic switch cover, and the tail end of the negative pressure exhaust pipe is connected with a tail gas treatment device.
Further, the sludge receiving tank is conical, and a horizontal vibration grid is arranged at the upper end of the sludge receiving tank.
Further, the sludge receiving tank is fixed in the sludge pit through a plurality of support frames.
Further, all screw conveyors are shaftless screw conveyors.
The utility model has the advantages and positive effects that:
the utility model discloses a mode of mud receipt and storage system through a plurality of screw conveyer relays is with mud in the continuous transport mud storage feed bin of receiving pond in, and the extraction that carries out little bioprotein in subsequent sludge treatment equipment is sent to mud to the storehouse end valve that rethread control corresponds.
Compare in traditional plunger pump transport mud, not only area is little, the delivery capacity reaches, and the transport speed of mud is unrestricted in addition, and mud storage bin can store the mud that comes at any time to carry out the ejection of compact of mud according to the in service behavior, it is very practical convenient.
Description of the drawings:
FIG. 1 is a front view of a sludge receiving and storage system in a preferred embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a top view of the automatic opening and closing lid according to the preferred embodiment of the present invention;
fig. 5 is a top view of a vibrating grid in a preferred embodiment of the invention.
Wherein: 1. a sludge pit; 11. automatically opening and closing the cover; 12. negative pressure calandria; 13. a support frame; 2. a sludge receiving tank; 21. vibrating the grating; 3. a sludge storage bin; 31. a bin top valve; 32. a bin bottom valve; 4. a first screw conveyor; 5. a second screw conveyor; 6. a third screw conveyor; 7. a screw conveyor IV; 8. a screw conveyor V; 9. a screw conveyor six; 10. and a screw conveyor seven.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
as shown in figures 1-5, the utility model discloses a sludge receiving and storing system for extracting microbial protein, which comprises a low-level sludge receiving tank 2 arranged in a sludge pit 1; the top end of the sludge pit 1 is provided with an automatic switch cover 11, the automatic switch cover 11 is opened when the sludge unloading starts, and the automatic switch cover 11 is closed after the unloading is finished so as to reduce the overflow of odor; the automatic switch cover 11 is provided with a negative pressure exhaust pipe 12 communicated with the sludge receiving tank 2, and the tail end of the negative pressure exhaust pipe is connected with a tail gas treatment device, so that odor in sludge is discharged.
Preferably, the sludge receiving tank 2 is conical, and a horizontal vibrating grid 21 is arranged at the upper end of the sludge receiving tank 2; the vibration grating 21 is used for intercepting impurities with large volume and fibrous substances; the sludge falls from the gaps of the grid into the sludge receiving tank 2 during the shaking process.
Specifically, one side of each sludge receiving tank 2 is provided with a plurality of matched high-level sludge storage bins 3; the top of the sludge storage bin 3 is provided with a bin top valve 31 for controlling feeding, and the bottom of the sludge storage bin is provided with a bin bottom valve 32 for controlling discharging; a plurality of feeding screw conveyors communicated with a bin top valve 31 are arranged between the sludge receiving pool 2 and the sludge storage bin 3; a plurality of discharging screw conveyors communicated with the bin bottom valve 32 are arranged between the sludge storage bin 3 and the subsequent sludge treatment equipment. Namely, the sludge in the sludge receiving pool 2 is distributed into the corresponding sludge storage bin 3 through a plurality of feeding screw conveyors for storage, and then the sludge is conveyed into the subsequent sludge treatment equipment through the discharging screw conveyor according to the storage condition of the sludge storage bin 3.
Specifically, feeding screw conveyer establishes including the level screw conveyer 4, the level of sludge receiving pond 2 bottoms establish the screw conveyer two 5 at 3 tops of all mud storage bins and the vertical screw conveyer three 6 of connecting between screw conveyer 4 discharge gates and screw conveyer two 5 feed inlets. The top of each sludge storage bin 3 is provided with a bin top valve 31 communicated with the second screw conveyor 5; the staff determines the opening and closing of the corresponding bin top valve 31 according to the material storage condition of each sludge storage bin 3, so that the sludge is stored in the sludge storage bin 3 with less sludge;
the discharging screw conveyor comprises a screw conveyor IV 7 horizontally arranged at the bottom of the sludge storage bin 3 and a screw conveyor V8 horizontally arranged below the sludge storage bin 3; a discharge port of the screw conveyor five 8 is connected with a vertical screw conveyor six 9; an inclined spiral conveyor seven 10 is connected to a discharge port at the top of the spiral conveyor six 9; the tail end of the spiral conveyor seven 10 is connected with sludge treatment equipment; and a bin bottom valve 32 is communicated between the screw conveyor five 8 and each sludge storage bin 3.
Namely, the whole sludge receiving and storing system continuously conveys the sludge from the sludge receiving pool 2 to the sludge storage bin 3 in a mode of relay of a plurality of screw conveyors, and then conveys the sludge to subsequent sludge treatment equipment for extracting microbial protein by controlling the corresponding bin bottom valve 32.
Preferably, in order to avoid difficult material conveying, the inclination angle of the spiral conveyor seven 10 is smaller than 25 degrees.
Preferably, the sludge receiving tank 2 is fixed in the sludge pit 1 through a plurality of support frames 13;
preferably, all screw conveyors are shaftless screw conveyors; the shaftless screw conveyor is a device specially used for conveying articles, and compared with the traditional shaftless screw conveyor, the shaftless screw conveyor adopts a shaftless design, utilizes integral steel screw with certain flexibility to push materials, and can convey materials which cannot be conveyed or are difficult to convey by the traditional shafted screw conveyor and a belt conveyor, such as granular and powdery materials, wet and pasty materials, semi-fluid and viscous materials, materials which are easy to wind and block, materials with special sanitary requirements and the like; and the weight and cost are greatly reduced.
Preferably, the number of the screw conveyors three 6 and six 9 may be one or more in order to adapt to the height of the sludge storage bin 3.
The embodiments of the present invention have been described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. A sludge receiving and storage system for microbial protein extraction, characterized in that: comprises a sludge receiving tank arranged in a sludge pit;
one side of each sludge receiving tank is provided with a plurality of sludge storage bins matched with each other; the top of each sludge storage bin is provided with a bin top valve for controlling feeding, and the bottom of each sludge storage bin is provided with a bin bottom valve for controlling discharging; a plurality of feeding screw conveyors communicated with the bin top valve are arranged between the sludge receiving pool and the sludge storage bin; and a plurality of discharging screw conveyors communicated with the bin bottom valve are arranged between the sludge storage bin and the subsequent sludge treatment equipment.
2. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: the feeding screw conveyor comprises a first screw conveyor horizontally arranged at the bottom of the sludge receiving pool, a second screw conveyor horizontally arranged at the top of all sludge storage bins, and a third screw conveyor vertically connected between a discharge port of the first screw conveyor and a feed inlet of the second screw conveyor.
3. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: the discharging screw conveyor comprises a screw conveyor IV horizontally arranged at the bottom of the sludge storage bin and a screw conveyor V horizontally arranged below the sludge storage bin; a discharge port of the screw conveyor V is connected with a vertical screw conveyor VI; an inclined spiral conveyor seventh is connected to a discharge port at the top of the spiral conveyor sixth; the tail end of the screw conveyor seven is connected with sludge treatment equipment; and a bin bottom valve is communicated between the screw conveyor five and each sludge storage bin.
4. The system of claim 3 for receiving and storing sludge for microbial protein extraction, wherein: the inclination angle of the spiral conveyor seven is less than 25 degrees.
5. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: and an automatic switch cover is arranged at the top end of the sludge pit.
6. The system of claim 5 for receiving and storing sludge for microbial protein extraction, wherein: and the automatic switch cover is provided with a negative pressure exhaust pipe communicated with the sludge receiving tank, and the tail end of the negative pressure exhaust pipe is connected with a tail gas treatment device.
7. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: the sludge receiving tank is conical, and a horizontal vibration grid is arranged at the upper end of the sludge receiving tank.
8. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: the sludge receiving tank is fixed in the sludge pit through a plurality of supporting frames.
9. The system of claim 1 for receiving and storing sludge for microbial protein extraction, wherein: all screw conveyors are shaftless screw conveyors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922015729.7U CN211225542U (en) | 2019-11-20 | 2019-11-20 | Sludge receiving and storing system for extracting microbial protein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922015729.7U CN211225542U (en) | 2019-11-20 | 2019-11-20 | Sludge receiving and storing system for extracting microbial protein |
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| Publication Number | Publication Date |
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| CN211225542U true CN211225542U (en) | 2020-08-11 |
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| CN201922015729.7U Active CN211225542U (en) | 2019-11-20 | 2019-11-20 | Sludge receiving and storing system for extracting microbial protein |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371958A (en) * | 2021-05-21 | 2021-09-10 | 曲阜中联水泥有限公司 | Continuous buffer memory system of mud |
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2019
- 2019-11-20 CN CN201922015729.7U patent/CN211225542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371958A (en) * | 2021-05-21 | 2021-09-10 | 曲阜中联水泥有限公司 | Continuous buffer memory system of mud |
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