CN216513419U - Prevent running municipal sludge of mud and fold spiral shell hydroextractor - Google Patents
Prevent running municipal sludge of mud and fold spiral shell hydroextractor Download PDFInfo
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- CN216513419U CN216513419U CN202120823888.4U CN202120823888U CN216513419U CN 216513419 U CN216513419 U CN 216513419U CN 202120823888 U CN202120823888 U CN 202120823888U CN 216513419 U CN216513419 U CN 216513419U
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Abstract
The utility model discloses a municipal sludge screw-stacking dehydrator capable of preventing sludge leakage, which comprises a reaction cylinder and a screw-stacking machine body communicated with the reaction cylinder; the reaction cylinder comprises a front-end mud inlet area and a rear-end reaction area; the front end sludge inlet area is provided with a sludge inlet, and the front end sludge inlet area and the rear end reaction area are separated by a water baffle; a stirrer is arranged in the rear-end reaction zone, and a sludge outlet is formed in the top of the rear-end reaction zone opposite to the water baffle; the screw stacking machine body comprises a mud pressing chamber at the upper part and a slag discharging chamber at the lower part, and the mud pressing chamber is communicated with the slag discharging chamber; a screw shaft is arranged in the mud pressing chamber, and a mud discharging groove is formed in one end, far away from the mud discharging port, of the mud pressing chamber; a belt conveyor is arranged in the slag discharging chamber corresponding to the screw shaft, a filtrate port is arranged at one end of the slag discharging chamber close to the sludge outlet, a sludge leaking port is arranged at one end far away from the sludge outlet, and the sludge leaking port is higher than the filtrate port. The utility model has novel structure, can effectively solve the problem of mud leakage of the traditional screw stacking machine, enhances the working efficiency of the screw stacking machine, prevents the drainage ditch from being blocked and reduces the operation and maintenance workload.
Description
Technical Field
The utility model belongs to the technical field of municipal sludge dewatering, and particularly relates to a sludge-leakage-preventing municipal sludge overlapping screw dewatering machine.
Background
Fold spiral shell machine because of its dehydration rate is fast, area is little, advantages such as easy and simple to handle health, use widely increasingly in municipal sludge dewatering field, however, traditional spiral shell machine of folding is in the course of the work, and it has the mud phenomenon of bubble to exist between its spiral shaft movable ring piece, the quiet ring piece more, not only influences equipment operation, still leads to the filtrating mud content big, often blocks up the escape canal. How to in time clear up equipment runs mud to run mud, the effective separation is carried out to filtrating, very crucial to municipal sewage plant sludge dewatering.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the municipal sludge screw-stacking dehydrator capable of preventing sludge leakage, which can timely clean the sludge leakage of the screw-stacking machine and effectively separate the sludge leakage and filtrate.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a prevent running municipal sludge of mud and fold spiral shell hydroextractor, includes the reaction cylinder, with the spiral shell machine body that folds of reaction cylinder intercommunication. The reaction cylinder comprises a front-end mud feeding area and a rear-end reaction area. The front end mud inlet area is provided with a mud inlet, and the front end mud inlet area and the rear end reaction area are separated by a water baffle; the rear end reaction zone is internally provided with a stirrer, the bottom of the rear end reaction zone is provided with a drain port, and the top of the rear end reaction zone opposite to the water baffle is provided with a sludge outlet. The screw stacking machine body comprises a mud pressing chamber at the upper part and a slag discharging chamber at the lower part, and the mud pressing chamber is directly communicated with the slag discharging chamber. A screw shaft is arranged in the mud pressing chamber, and a mud discharging groove is formed in one end, far away from the mud discharging port, of the mud pressing chamber; a belt conveyor is arranged in the slag discharging chamber corresponding to the screw shaft, a filtrate port is arranged at one end of the slag discharging chamber close to the sludge outlet, and a sludge outlet is arranged at one end far away from the sludge outlet and is higher than the filtrate port. Sludge from a sludge concentration tank of a municipal sewage plant enters a front-end sludge inlet area through a sludge inlet pipe for sufficient homogenization. After the homogenized sludge is subjected to flocculation reaction, the flocculated mud is conveyed into the spiral shell stacking machine body through a sludge outlet.
Furthermore, two parallel screw shafts with equal height are arranged in the mud pressing chamber, screw plates are arranged on the screw shafts, and movable ring plates and static ring plates are arranged at intervals on the peripheries of the screw plates.
Preferably, the intervals of the spiral plates on the spiral shaft in the mud pressing chamber are reduced from large to small, so that the compression effect of the flocculent mud can be enhanced.
Furthermore, an adjustable back pressure plate is arranged on the sludge outlet groove corresponding to the end face of the spiral shaft.
Furthermore, the screw shaft in the mud pressing chamber and the belt conveyor in the slag discharging chamber are arranged in parallel and incline upwards along the mud discharging direction, the bottom of the slag discharging chamber at the lower side of the belt conveyor is provided with a filtrate port, and the bottom of the slag discharging chamber at the higher side is provided with a mud running port. The flocculated slurry is fully compressed on a spiral shaft of the spiral shell stacking machine body through a movable ring piece and a static ring piece which are arranged at intervals, filtrate is extruded out from a gap of the ring pieces and is transferred to a belt conveyor of a lower slag discharge chamber, the filtrate flows into a filtrate port from a low side to be discharged, and sludge extruded out from the gap of the ring pieces is also transferred to the belt conveyor and is discharged from a sludge port from a high side.
Furthermore, the top surface of the mud pressing chamber is provided with spraying ports which are arranged in parallel at intervals. Preferably, the PLC electric control cabinet is in control connection with the stirrer and the spraying port; when mud was more leaked in the ring piece gap, the automatically controlled cabinet of PLC carried out signal feedback, sprayed a mouthful blowout high pressure water, washed the ring piece gap, and the flush fluid flows into band conveyer, and the final filtrate mouth that flows in of filtrating discharges, and it is final through leaking mud mouth and discharges to leak mud. The sludge discharged from the sludge leaking port can be naturally dried and treated together with the dewatered sludge.
Furthermore, a sludge inlet is formed in the bottom of the front-end sludge inlet area, a drain opening is formed in the bottom of the rear-end reaction area, the upper end of the water baffle is higher than the overflow plate, and a water passing opening is formed in the bottom of the water baffle. Homogenized sludge from the front end sludge inlet area overflows through the overflow plate and enters the rear end reaction area from the water passing port at the bottom of the water baffle plate, so that the short flow condition is avoided.
Furthermore, a stirrer motor is fixed on a support at the top of the rear-end reaction zone, and a dosing port is arranged at the stirrer motor. The PAM flocculating agent enters the rear-end reaction zone through the dosing pipe and the dosing port and performs sufficient flocculation reaction with the homogenized sludge. The PLC electric control cabinet positioned on one side of the reaction area at the rear end of the reaction cylinder can realize that the stirring speed of the stirrer is firstly high and then low, so that the formed floccule is not easy to break.
Preferably, one or more corner surfaces of the inner wall of the reaction cylinder adopt a chamfer transition design, so that dead zones can be reduced, and material accumulation is avoided.
The utility model has novel structure, can effectively solve the problem of mud leakage of the traditional screw stacking machine, enhances the working efficiency of the screw stacking machine, prevents the drainage ditch from being blocked and reduces the operation and maintenance workload.
Drawings
FIG. 1 is a municipal sludge screw-stacking dewaterer for preventing sludge leakage according to an embodiment of the utility model;
FIG. 2 is a top view of a reaction cylinder of a municipal sludge screw-stacking dehydrator for preventing sludge leakage according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a belt conveyor of the municipal sludge overlapping screw dehydrator for preventing sludge leakage according to the embodiment of the utility model.
The meaning of the reference symbols in the figures: 1. the reactor comprises a reaction cylinder, 1.1, a front end mud inlet area, 1.1.1, a mud inlet, 1.1.2, an overflow plate, 1.1.3, a water baffle, 1.2, a rear end reaction area, 1.2.1, a stirrer, 1.2.2, a dosing port, 1.2.3, a mud outlet, 1.2.4, an evacuation port, 2, a screw stacking machine body, 2.1, a mud pressing chamber, 2.1.1, a screw shaft, 2.1.2, a screw sheet, 2.1.3, a mud outlet groove, 2.1.4, a spraying port, 2.1.5, an adjustable back pressing plate, 2.2, a slag discharge chamber, 2.2.1, a belt conveyor, 2.2.2, a filtrate port, 2.2.3, a mud running port, 3, a mud conveying pipe, 4, an equipment foundation, 5 and an electric control cabinet.
Detailed Description
The utility model is described in detail below with reference to the figures and the embodiments.
Referring to fig. 1, a municipal sludge overlapping screw dehydrator capable of preventing sludge leakage comprises a reaction cylinder 1, an overlapping screw machine body 2, a slurry conveying pipe 3, an equipment foundation 4 and a PLC (programmable logic controller) electric control cabinet 5.
The reaction cylinder 1 comprises a front end mud inlet zone 1.1 and a rear end reaction zone 1.2 which are separated by a water baffle 1.1.3. The bottom of the front end mud inlet area 1.1 is provided with a mud inlet 1.1.1, the middle of the front end mud inlet area is provided with an overflow plate 1.1.2, the center of the rear end reaction area 1.2 is provided with a stirrer 1.2.1, a stirrer motor is fixed on a support at the top of the rear end reaction area 1.2, a medicine adding port 1.2.2 is arranged nearby the support, the opposite top of the water baffle 1.1.3 of the rear end reaction area 1.2 is provided with a mud outlet 1.2.3, and the bottom of the rear end reaction area 1.2 is provided with an emptying port 1.2.4. Sludge from a sludge concentration tank of a municipal sewage plant enters a front end sludge inlet area 1.1 through a sludge inlet 1.1.1 through a sludge inlet pipe for sufficient homogenization. The homogenized sludge overflows through the overflow plate 1.1.2 and enters the rear-end reaction zone 1.2 from a water passing port at the bottom of the water baffle 1.1.3, and the PAM flocculating agent enters the rear-end reaction zone 1.2 through the dosing port 1.2.2 through the dosing pipe and performs sufficient flocculation reaction with the homogenized sludge. The PLC electric control cabinet 5 positioned on one side of the reaction area 1.2 at the rear end of the reaction cylinder can realize that the stirring speed of the stirrer 1.2.1 is firstly high and then low, so that the formed floccule is not easy to break. The flocculated mud is conveyed into the spiral shell stacking machine body 2 through a mud outlet 1.2.3 through a mud conveying pipe 3.
The screw stacking machine body 2 comprises a mud pressing chamber 2.1 at the upper part and a slag discharging chamber 2.2 at the lower part, and the mud pressing chamber 2.1 is directly communicated with the slag discharging chamber 2.2. Two parallel screw shafts 2.1.1 with equal height are arranged in the mud pressing chamber 2.1, a spiral sheet 2.1.2 is arranged on the screw shafts 2.1.1, and a movable ring sheet and a static ring sheet are arranged at the periphery of the spiral sheet 2.1.2 at intervals. The mud pressing chamber 2.1 is provided with a mud discharging groove 2.1.3 opposite to the mud conveying pipe 3, and an adjustable back pressure plate 2.1.5 is arranged on the mud discharging groove 2.1.3 corresponding to the end face of the screw shaft 2.1.1. The top surface of the mud pressing chamber 2.1 is provided with spraying ports 2.1.4 which are arranged in parallel at intervals. A belt conveyor 2.2.1 is arranged in the slag discharging chamber 2.2 and is parallel to the screw shaft 2.1.1 and inclines upwards along the mud discharging direction, a filtrate outlet 2.2.2 is arranged at the bottom of the slag discharging chamber 2.2 at the lower side of the belt conveyor 2.2.1, and a mud running outlet 2.2.3 is arranged at the bottom of the slag discharging chamber 2.2 at the higher side. The flocculated slurry is fully compressed on a screw shaft 2.1.1 of a screw stacking machine body 2 through a movable ring piece and a static ring piece which are arranged at intervals, filtrate is extruded out from a ring piece gap, transferred onto a belt conveyor 2.2.1 of a lower slag discharge chamber 2.2 and flows into a filtrate port 2.2.2 to be discharged from a low side, and sludge extruded from the ring piece gap is transferred onto the belt conveyor 2.2.1 and is transferred into a sludge port 2.2.3 to be discharged from a high side. In addition, when mud was more leaked in the ring piece gap, the automatically controlled cabinet of PLC carried out signal feedback, and the mouth 2.1.4 blowout high pressure water sprays washes the ring piece gap, and the flush fluid flows into band conveyer 2.2.1, and filtrating finally flows into filtrating mouth 2.2.2 and discharges, and it finally gets into and runs mud mouth 2.2.3 and discharges to run mud. The sludge discharged from the sludge outlet 2.2.3 can be naturally dried and treated together with the dewatered sludge.
All original 90 ℃ corner surfaces in the reaction cylinder 1 are in chamfer transition design, so that dead zones are reduced, and material accumulation is avoided.
The interval of the spiral sheets 2.1.2 on the spiral shaft 2.1.1 of the spiral stacking machine body is reduced from large to small so as to enhance the compression effect of the floccule slurry.
The equipment foundation 4 comprises two independent parts which respectively bear the reaction cylinder 1 and the screw stacking machine body 2.
The utility model has novel structure, can effectively solve the problem of mud leakage of the traditional screw stacking machine, enhances the working efficiency of the screw stacking machine, prevents the drainage ditch from being blocked and reduces the operation and maintenance workload.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. The utility model provides a prevent louing municipal sludge of mud folds spiral shell hydroextractor which characterized in that: comprises a reaction cylinder and a screw stacking machine body communicated with the reaction cylinder; the reaction cylinder comprises a front-end mud inlet area and a rear-end reaction area; the front end mud inlet area is provided with a mud inlet, and the front end mud inlet area and the rear end reaction area are separated by a water baffle; a stirrer is arranged in the rear-end reaction zone, and a sludge outlet is formed in the top of the rear-end reaction zone opposite to the water baffle; the screw stacking machine body comprises a mud pressing chamber at the upper part and a slag discharging chamber at the lower part, and the mud pressing chamber is communicated with the slag discharging chamber; a screw shaft is arranged in the mud pressing chamber, and a mud discharging groove is formed in one end, far away from the mud discharging port, of the mud pressing chamber; a belt conveyor is arranged in the slag discharging chamber corresponding to the screw shaft, a filtrate port is arranged at one end of the slag discharging chamber close to the sludge outlet, a sludge leaking port is arranged at one end far away from the sludge outlet, and the sludge leaking port is higher than the filtrate port.
2. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 1, wherein: two parallel screw shafts with equal height are arranged in the mud pressing chamber, screw plates are arranged on the screw shafts, and movable ring plates and static ring plates are arranged at intervals on the peripheries of the screw plates.
3. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 2, wherein: the intervals of the spiral plates on the spiral shaft in the mud pressing chamber are reduced from big to small.
4. The mud leakage preventing municipal sludge screw dehydrator according to any one of claims 1 to 3, wherein: screw axis in the mud pressing chamber, arrange the indoor band conveyer parallel arrangement of sediment, along going out mud direction tilt up, the row sediment chamber bottom of band conveyer low side is equipped with the filtrate mouth, and the row sediment chamber bottom of high side is equipped with runs the mud mouth.
5. The mud leakage preventing municipal sludge screw dehydrator according to any one of claims 1 to 3, wherein: an adjustable back pressure plate is arranged on the mud outlet groove corresponding to the end face of the screw shaft.
6. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 1, wherein: the top surface of the mud pressing chamber is provided with spraying ports which are arranged in parallel at intervals.
7. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 6, wherein: still include the automatically controlled cabinet of PLC, the automatically controlled cabinet of PLC and agitator, spray mouthful control connection.
8. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 1, wherein: the stirrer motor is fixed on the support at the top of the rear-end reaction zone, and the dosing port is arranged at the stirrer motor.
9. The mud-leakage-preventing municipal sludge screw-on dehydrator according to claim 1, wherein: the bottom of the front-end sludge inlet area is provided with a sludge inlet, and the bottom of the rear-end reaction area is provided with a drain port; the front end mud inlet area is also provided with an overflow plate, the upper end of the water baffle is higher than the overflow plate, and the bottom of the water baffle is provided with a water outlet.
10. The mud leakage preventing municipal sludge screw dehydrator according to claim 1 or 9, wherein: one or more corner surfaces of the inner wall of the reaction cylinder are in chamfer transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120823888.4U CN216513419U (en) | 2021-04-21 | 2021-04-21 | Prevent running municipal sludge of mud and fold spiral shell hydroextractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120823888.4U CN216513419U (en) | 2021-04-21 | 2021-04-21 | Prevent running municipal sludge of mud and fold spiral shell hydroextractor |
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| Publication Number | Publication Date |
|---|---|
| CN216513419U true CN216513419U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120823888.4U Active CN216513419U (en) | 2021-04-21 | 2021-04-21 | Prevent running municipal sludge of mud and fold spiral shell hydroextractor |
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| CN (1) | CN216513419U (en) |
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2021
- 2021-04-21 CN CN202120823888.4U patent/CN216513419U/en active Active
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