CN210645419U - Special filtering thickener for waste water - Google Patents
Special filtering thickener for waste water Download PDFInfo
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- CN210645419U CN210645419U CN201921162396.4U CN201921162396U CN210645419U CN 210645419 U CN210645419 U CN 210645419U CN 201921162396 U CN201921162396 U CN 201921162396U CN 210645419 U CN210645419 U CN 210645419U
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Abstract
The utility model provides a special filtering thickener for waste water, which comprises a storage bin, a stirring and filtering device, a slag dragging device and supporting legs; the stirring and filtering device comprises a hollow main shaft, a filtering impeller, a main drive speed reducer and a coupling; the hollow main shaft is fixed in the bin, the filtering impellers are arranged on the hollow main shaft, and the hollow main shaft is connected with the main drive reducer through a coupler and driven by the main drive reducer; the slag dragging device comprises a slag dragging screw, a screw drive speed reducer and a slag outlet; the slag fishing spiral is fixedly arranged at the bottom of the storage bin, the slag fishing spiral is driven by the spiral driving speed reducer, the slag outlet is arranged at the bottom of one end of the slag fishing spiral, and the supporting legs are used for supporting the filtering thickener. The utility model discloses a membrane filtration mechanism, biax drive cross filtration impeller can not appear filtering impeller blocking phenomenon, utilizes the oblique spiral to drag for the sediment, can realize more thorough solid-liquid separation to can drag for the sediment at any time on line. The filtered solution can be reused, reducing the water cost.
Description
Technical Field
The utility model relates to a filter the enrichment facility, especially relate to a dedicated concentrated machine of filtering of waste water.
Background
With the recent increasing national requirements for environmental protection, many chemical plants have added tail gas washing towers, wastewater neutralization ponds and other devices, but after treatment, harmful substances are removed, but the solid-containing liquid cannot be reused and does not meet the discharge requirements, so that solid-liquid separation treatment must be carried out through specific equipment. The neutralization reaction belongs to a chemical reaction, so the particle size of the generated solid particles is relatively fine, the solid content in the liquid is relatively low, and the filtering equipment of the wastewater is lacked in the market at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a special filtering thickener for waste water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special filtering thickener for waste water comprises a storage bin, a stirring and filtering device, a slag dragging device and supporting legs;
the stirring and filtering device comprises a hollow main shaft, a filtering impeller, a main drive speed reducer and a coupling; the hollow main shaft is fixed inside the storage bin, the number of the filtering impellers is at least 2, the filtering impellers are polymer filtering impellers and are formed by adopting ultrahigh polymer integral mould pressing and sintering, the filtering impellers are arranged on the hollow main shaft, and the hollow main shaft is connected with the main drive speed reducer through the coupler and is driven by the main drive speed reducer;
the slag dragging device comprises a slag dragging screw, a screw drive speed reducer and a slag outlet; the slag salvaging spiral is fixedly arranged at the bottom of the storage bin, the slag salvaging spiral is connected with the spiral driving speed reducer and driven by the spiral driving speed reducer, the slag hole is formed in the bottom of one end of the slag salvaging spiral, the length of the slag salvaging spiral is greater than that of the storage bin, and the slag hole is positioned outside the storage bin;
the supporting legs are arranged at the bottom of the storage bin and the slag fishing spiral and are used for supporting the filtering thickener.
Preferably, a liquid level meter is installed in the bin and is used for controlling the liquid level height of slurry in the bin.
Preferably, the number of the stirring and filtering devices is 2, and 2 stirring and filtering devices are fixed in the storage bin in a side-by-side crossed manner.
Preferably, the filtration precision of the filtration impeller is 5 microns.
Preferably, the filtering impeller is in sealing connection with the hollow main shaft.
Preferably, the filter impeller is a straight rectangular impeller, or the surface of the filter impeller is recessed to the same side.
Preferably, the slag salvaging device is an inclined spiral slag salvaging device, namely, an included angle of not more than 60 degrees is formed between the slag salvaging device and the horizontal plane.
Preferably, the slag outlet is arranged at the bottom of the relatively higher end of the slag screw.
Preferably, the filtration concentrator further comprises a PLC automatic control device, and the PLC automatic control device is used for realizing automatic control of the stirring and filtering device and the slag fishing device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a concentrated machine during operation is filtered in special filtration of waste water, filtrating sees through and filters the impeller and get into hollow main shaft, and the filter cake then is filtering the continuous enrichment of impeller surface, drops into in the solution after reacing the certain volume and subsides the feed bin bottom, and the solid of sediment spiral bottom the feed bin is fished out in the periodic start-up.
The utility model discloses can filter in succession almost, owing to adopt the polymer to filter the impeller, the filtrating is limpid, can directly carry out reuse, reduces water resource cost.
The filtering impeller is arranged on the hollow main shaft, can rotate under the driving, and filters while stirring, and has higher efficiency than pure sedimentation and concentration. When the filter disc is used, filter residues are aggregated on the surface of the filter impeller to form a cluster, and no flocculating agent is required to be added additionally, so that the cost can be saved.
The utility model discloses a biax drive alternately filters the impeller, and 2 rows of filtration impellers alternately mix, prevent to appear filtering impeller blocking phenomenon.
The utility model discloses utilize the oblique spiral to drag for the sediment to the slag notch is located the outside of feed bin drags for the sediment in-process and can realize the solid-liquid separation of liquid to can drag for the sediment at any time on line, need not shut down and drag for, not only save trouble convenient, can also improve work efficiency.
The utility model discloses can be integrated with the scrubbing tower for washing, liquid regeneration, solid separation once accomplishes, reduces the factory ground, compact structure.
The utility model discloses usable PLC program control realizes the full automatization operation, saves the cost of labor, increases work efficiency.
Drawings
FIG. 1 is a front sectional view of a filtering thickener specially used for wastewater;
FIG. 2 is a sectional view of a top view of a filtration concentrator for wastewater.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please combine and refer to fig. 1 and fig. 2, the utility model provides a special concentrated machine that filters of waste water, including feed bin 1, stirring filter equipment 2, drag for sediment device 3 and supporting legs 4, stirring filter equipment 2 is installed in feed bin 1, and drag for sediment device 3 and install in feed bin 1 bottom, and supporting legs 4 are installed in feed bin 1 and drag for sediment device 3 bottom for support whole concentrated machine that filters.
The stirring and filtering device 2 comprises a hollow main shaft 21, a filtering impeller 22, a main drive speed reducer 23 and a coupling 24; the hollow main shaft 21 is fixed inside the storage bin 1, and the two ends of the hollow main shaft 21 can be respectively fixed on two opposite side walls of the storage bin 1 and penetrate through the whole storage bin 1. The filtering impellers 22 are hollow and at least 2 in number, the filtering impellers 22 are polymer filtering impellers 22 and are formed by adopting ultrahigh molecular overall mould pressing and sintering, the filtering impellers 22 are arranged on the hollow main shaft 21, the filtering impellers 22 can be fixed on the hollow main shaft 21 vertically or in a smaller inclination angle, a certain interval is formed between every two adjacent filtering impellers 22, and the lengths of the intervals are the same. The hollow main shaft 21 is connected with a main drive reducer 23 through a coupling 24 and is driven by the main drive reducer 23. When the device is used, waste water to be filtered is poured into a material pool, the main drive speed reducer 23 is started after the waste water reaches an expected liquid level, and the main drive speed reducer 23 drives the coupler 24 to enable the hollow main shaft 21 connected with the coupler to rotate; because the filtering impeller 22 is fixed on the hollow main shaft 21, the filtering impeller 22 starts to rotate along with the rotation of the hollow main shaft 21 to stir the wastewater, fine solid particles in the wastewater are stirred in the stirring process, and the fine solid particles can be gathered on the filtering impeller 22 along with the rotation direction of the wastewater, so that the efficiency is higher than that of pure sedimentation and thickening. Because the filtering impeller 22 is of a hollow structure and is a polymer filtering impeller 22 formed by adopting ultrahigh molecular overall mould pressing and sintering, a membrane filtering mechanism is adopted, so that smaller particles can be filtered together during filtering, and solid-liquid separation is realized. The wastewater is drawn toward the filter impeller 22 during the agitation and filtered. In the filtering process, the filtrate enters the hollow main shaft 21 through the filtering impeller 22 and is gathered together, so that secondary recycling can be carried out; the filter residue is stopped in the outside of filtrate blade to the filter residue is at the surface of filtrate piece constantly enrichment, forms the filter cake, and when the filter cake was big enough, or weight was enough, the filter cake that becomes the reunion is tangent with rivers at the impeller rotation in-process, falls into the solution to settle in feed bin 1 bottom under gravity, need not add any flocculating agent in addition, and the waste residue can gather into the pie on filtering impeller 22 voluntarily when the stirring, can practice thrift economic cost.
The slag dragging device 3 comprises a slag dragging screw 31, a screw driving speed reducer 32 and a slag outlet 33; the slag fishing spiral 31 is fixedly arranged at the bottom of the bin 1, the slag fishing spiral 31 is connected with the spiral drive speed reducer 32 and driven by the spiral drive speed reducer 32, the slag outlet 33 is arranged at the bottom of one end of the slag fishing spiral 31, the length of the slag fishing spiral 31 is greater than that of the bin 1, and the slag outlet 33 is positioned outside the bin 1. When the filter cake falls off downwards under the action of gravity, the filter cake falls into the slag fishing spiral 31, the slag fishing spiral 31 can be a spiral upward metal or spiral made of other materials, the slag fishing spiral 31 rotates under the driving of the spiral driving speed reducer 32, the spiral driving speed reducer 32 is periodically started, the spiral driving speed reducer 32 drives the slag fishing spiral 31 to rotate, and the filter cake is driven to move forwards or upwards when the slag fishing spiral 31 rotates until reaching the slag outlet 33 and is discharged. The length of the slag fishing spiral 31 is larger than that of the storage bin 1, one section of the slag fishing spiral 31 extends out of the storage bin 1, so that water is drained when a filter cake is conveyed into the section of the slag fishing spiral 31 out of the storage bin 1, a better solid-liquid separation effect is achieved, and meanwhile, the dryness of the slag outlet 33 can be kept as much as possible. The slag fishing device 3 and the stirring and filtering device 2 are mutually independent, the switch of the slag fishing device 3 does not influence the stirring and filtering device 2 to stir and filter, so that the slag can be fished at any time on line, and the whole filtering thickener does not need to fall off to drag for slag.
The supporting feet 4 are arranged at the bottom of the storage bin 1 and the slag fishing spiral 31 and are used for supporting the filtering thickener.
In one embodiment, a level gauge is installed in the silo 1 and is used for controlling the level of slurry in the silo 1. The liquid level meter is arranged in the storage bin 1, so that the real-time monitoring of the liquid level height of the wastewater in the storage bin 1 can be realized, and once the liquid level of the wastewater exceeds or is lower than a preset range, the liquid level meter can give an alarm. An automatic control valve can be arranged at a feed inlet on the storage bin 1, namely a wastewater injection opening, the automatic control valve and the liquid level meter are both connected with a control device, when the liquid level meter detects that the wastewater liquid level in the storage bin 1 does not reach a preset range, a signal can be sent to a computer, and the signal is processed by the computer and then controls the automatic control valve to open and drain water; when the liquid level reaches the preset height range, the signal can be sent to the computer again, the signal is processed by the computer and then the automatic control valve is controlled to close, the water discharge is stopped, and thus the automatic control of the wastewater delivery in the material pool can be realized.
In another embodiment, as shown in fig. 2, the number of the agitation filter devices 2 is 2, and 2 agitation filter devices 2 are fixed in the silo 1 in a side-by-side crossing manner. The side-by-side cross fixing, that is, the side where the filtering impellers 22 of the two stirring and filtering devices 2 are close to each other, is arranged in a cross and interval manner, as shown in fig. 2, the double-shaft driving cross filtering impellers 22 are adopted, especially the waste water in the middle position is stirred more greatly during filtering, and the phenomenon of blocking of the filtering impellers 22 cannot occur. And the drive device of 2 stirring filter equipment 2 is independent each other, even when the drive of one of them stirring filter equipment 2 broke down when using, another stirring filter equipment 2 still can continue to use, guarantees that filtering work can go on smoothly. The 2 rows of filtering impellers 22 can be rotated in the same direction or in opposite directions, and the speed can be the same or different, depending on the actual situation of wastewater treatment.
Preferably, the filtration precision of the filtration impeller 22 is 5 microns, a membrane filtration treatment mechanism is adopted, the filtration precision is high, fine particles can be filtered, wastewater with low solid content can be filtered thoroughly, filtered filtrate is clear, the filtrate can be recycled, and the water resource cost in industrial production can be reduced.
Preferably, the filtering impeller 22 is hermetically connected with the hollow main shaft 21, and the filtrate enters the hollow shaft through the filtering impeller 22 in a vacuum state and is collected in the clean water tank, so that the filtered filtrate is prevented from returning to the storage bin 1 again, the content of the filtrate in the wastewater is prevented from being reduced again, and the difficulty of filtering is increased.
Preferably, the filter impeller 22 is a straight rectangular impeller, or the surface of the filter impeller 22 is recessed to the same side. When the straight rectangular blades are used for stirring, the movement direction of the wastewater is more straight than that of the fixed box, solid particles in the wastewater are converged on the blades and are easy to fall off, and the problems of residue and blockage cannot occur; the filtering impeller 22 with the same surface and the same side concave can be in the shape of Xinsiang petals, and the slightly concave and convex surface is more convenient for solids in the wastewater to gather into a filter cake on the concave surface.
In one embodiment, as shown in fig. 1, the slag salvaging device 3 is an inclined spiral slag salvaging device, i.e. the included angle between the slag salvaging device 3 and the horizontal plane is not more than 60 degrees. Oblique spiral drags for the sediment, and the filter cake is transported upwards at the sediment in-process of dragging for the sediment, and the in-process that upwards was wrapped up in and is carried on slowly can carry out the secondary of shape and mould, is close to spherical or ellipsoid type more, no longer is than flat filter cake form, is favorable to discharging from the filter residue mouth more conveniently sooner. Preferably, the slag outlet 33 is arranged at the bottom of the relatively high end of the slag screw 31, so that when the cake is conveyed to a section of the slag screw 31 outside the silo 1, the leached filtrate flows downwards along the bottom of the slag screw 31 into the silo 1, the solid-liquid separation can be more thorough as much as possible, and the dryness of the slag outlet 33 can be ensured as much as possible.
Preferably, the filtration thickener further comprises a PLC automatic control device, and the PLC automatic control device is used for realizing automatic control of the stirring and filtering device 2 and the slag dragging device 3. PLC automatic control device can include with the control circuit or the control switch of main drive speed reducer and screw drive speed reducer, if install the level gauge in 1 feed bin, the automatic control valve is installed to the feed arrangement of feed bin 1, then the aforesaid is controlled by PLC automatic control device. The PLC control circuit controls the switches of all devices according to a built-in program through signal feedback of control circuits of a main drive speed reducer and a spiral drive speed reducer or a control switch, a liquid level meter and an automatic control valve, so that automation of the working process of the filtering thickener is realized, the working efficiency is improved, and the labor cost is saved.
Furthermore, the utility model discloses a special concentrated machine of filtering of waste water can be integrated with the scrubbing tower for washing, liquid regeneration, solid separation once accomplishes, compact structure reduces the factory ground.
From above, the utility model discloses a concentrated machine during operation is filtered in waste water special use, during filtrating impeller entering hollow main shaft was seen through to filtrating, the filter cake was then filtering the continuous enrichment of impeller surface, fell into the solution after reacing the certain volume and subsides the feed bin bottom, and the solid of feed bin bottom is fished out to the sediment spiral that regularly starts.
The utility model discloses can filter in succession almost, owing to adopt the polymer to filter the impeller, the filtrating is limpid, can directly carry out reuse, reduces water resource cost.
The filtering impeller is arranged on the hollow main shaft, can rotate under the driving, and filters while stirring, and has higher efficiency than pure sedimentation and concentration. When the filter disc is used, filter residues are aggregated on the surface of the filter impeller to form a cluster, and no flocculating agent is required to be added additionally, so that the cost can be saved.
The utility model discloses a biax drive alternately filters the impeller, and 2 rows of filtration impellers alternately mix, prevent to appear filtering impeller blocking phenomenon.
The utility model discloses utilize the oblique spiral to drag for the sediment to the slag notch is located the outside of feed bin drags for the sediment in-process and can realize the solid-liquid separation of liquid to can drag for the sediment at any time on line, need not shut down and drag for, not only save trouble convenient, can also improve work efficiency.
The utility model discloses can be integrated with the scrubbing tower for washing, liquid regeneration, solid separation once accomplishes, reduces the factory ground, compact structure.
The utility model discloses usable PLC program control realizes the full automatization operation, saves the cost of labor, increases work efficiency.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. The utility model provides a special concentrated machine that filters of waste water which characterized in that: comprises a storage bin, a stirring and filtering device, a slag fishing device and supporting legs;
the stirring and filtering device comprises a hollow main shaft, a filtering impeller, a main drive speed reducer and a coupling; the hollow main shaft is fixed inside the storage bin, the number of the filtering impellers is at least 2, the filtering impellers are polymer filtering impellers and are formed by adopting ultrahigh polymer integral mould pressing and sintering, the filtering impellers are arranged on the hollow main shaft, and the hollow main shaft is connected with the main drive speed reducer through the coupler and is driven by the main drive speed reducer;
the slag dragging device comprises a slag dragging screw, a screw drive speed reducer and a slag outlet; the slag salvaging spiral is fixedly arranged at the bottom of the storage bin, the slag salvaging spiral is connected with the spiral driving speed reducer and driven by the spiral driving speed reducer, the slag hole is formed in the bottom of one end of the slag salvaging spiral, the length of the slag salvaging spiral is greater than that of the storage bin, and the slag hole is positioned outside the storage bin;
the supporting legs are arranged at the bottom of the storage bin and the slag fishing spiral and are used for supporting the filtering thickener.
2. The special filtration concentrator for wastewater of claim 1, characterized in that: and a liquid level meter is arranged in the storage bin and is used for controlling the liquid level height of slurry in the storage bin.
3. The special filtration concentrator for wastewater of claim 1, characterized in that: the quantity of stirring filter equipment is 2 to 2 stirring filter equipment is in the feed bin side by side cross fixation.
4. The special filtration concentrator for wastewater of claim 1, characterized in that: the filtration precision of the filtration impeller is 5 microns.
5. The special filtration concentrator for wastewater of claim 1, characterized in that: the filtering impeller is hermetically connected with the hollow main shaft.
6. The special filtration concentrator for wastewater of claim 1, characterized in that: the filtering impeller is a straight rectangular impeller, or the surface of the filtering impeller is concave towards the same side.
7. The special filtration concentrator for wastewater of claim 1, characterized in that: the slag salvaging device is an inclined spiral slag salvaging device, namely, an included angle of not more than 60 degrees is formed between the slag salvaging device and the horizontal plane.
8. The special filtration concentrator for wastewater of claim 7, wherein: the slag outlet is arranged at the bottom of the relatively higher end of the slag fishing spiral.
9. The special filtration concentrator for wastewater of claim 1, characterized in that: the filtering thickener also comprises a PLC automatic control device which is used for realizing the automatic control of the stirring and filtering device and the slag dragging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162396.4U CN210645419U (en) | 2019-07-23 | 2019-07-23 | Special filtering thickener for waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162396.4U CN210645419U (en) | 2019-07-23 | 2019-07-23 | Special filtering thickener for waste water |
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| CN210645419U true CN210645419U (en) | 2020-06-02 |
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| CN201921162396.4U Active CN210645419U (en) | 2019-07-23 | 2019-07-23 | Special filtering thickener for waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327685A (en) * | 2019-07-23 | 2019-10-15 | 江苏新宏大集团有限公司 | A kind of waste water special filtering thickener |
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2019
- 2019-07-23 CN CN201921162396.4U patent/CN210645419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327685A (en) * | 2019-07-23 | 2019-10-15 | 江苏新宏大集团有限公司 | A kind of waste water special filtering thickener |
| CN110327685B (en) * | 2019-07-23 | 2024-06-18 | 江苏新宏大集团有限公司 | Special filtration thickener of waste water |
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