CN215756976U - Sludge deep dehydration processing system - Google Patents
Sludge deep dehydration processing system Download PDFInfo
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- CN215756976U CN215756976U CN202122123429.8U CN202122123429U CN215756976U CN 215756976 U CN215756976 U CN 215756976U CN 202122123429 U CN202122123429 U CN 202122123429U CN 215756976 U CN215756976 U CN 215756976U
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Abstract
The utility model provides a sludge deep dehydration treatment system which comprises a sludge concentration tank, a sludge feeding pump, an electromagnetic conditioning device, a squeezing pump, an ultrahigh pressure squeezer, a belt conveyor and a sludge piling shed, wherein the sludge concentration tank, the sludge feeding pump, the electromagnetic conditioning device, the squeezing pump, the ultrahigh pressure squeezer, the belt conveyor and the sludge piling shed are sequentially arranged; the electromagnetic conditioning equipment comprises a filter and a wall breaking device which are sequentially arranged, wherein the feed end of a sludge feed pump is connected with a sludge concentration tank, the discharge end of the sludge feed pump is connected with the filter, and the discharge port of the filter is connected with the wall breaking device; the conditioning device comprises a conditioning tank, and a stirrer is arranged in the conditioning tank; the discharge hole of the wall breaking device is connected with the sludge feed inlet of the conditioning tank through a pipeline; the first medicament tank is connected with the conditioning tank through a first dosing pipeline, and the second medicament tank is connected with the conditioning tank through a second dosing pipeline; the feed end of the squeezing pump is connected with the sludge discharge port of the conditioning tank, and the discharge end of the squeezing pump is connected with the ultrahigh pressure squeezer; the head end of the belt conveyor is positioned at the discharge end of the ultrahigh pressure squeezer, and the tail end of the belt conveyor is positioned in the mud piling shed.
Description
Technical Field
The utility model relates to the technical field of sludge treatment equipment, in particular to a sludge deep dehydration treatment system.
Background
Along with the development of industrialization, the sludge yield is increased. The sludge of the sewage treatment plant is generally subjected to sanitary landfill in nearly 58 percent, land utilization in nearly 15 percent, building material utilization in about 8 percent and incineration treatment in about 6 percent. The sewage treatment plant generally adopts a landfill or simple stacking mode to treat the sludge, and the current sludge treatment and disposal situation is severe.
With the increasing requirements for sludge treatment and disposal, the whole process of sludge production, transportation, storage and treatment and disposal shall meet the relevant pollution control standards, wherein the standard requirements of a sewage treatment plant for transporting sludge to the factory for storage (i.e. no treatment and disposal) are required to dehydrate sludge to a water content of below 50%.
The conventional method for treating sludge in the prior art is to add organic medicament and inorganic medicament for conditioning and then squeeze the treated sludge, however, for the dehydration of the sludge with high water content (97 percent of water content), the method is difficult to achieve the water content of the sludge to be lower than 50 percent after being squeezed by a squeezer, therefore, in order to achieve the water content of the sludge discharged from the sludge to reach 50%, the method of adding lime into the sludge before pressing is adopted for assisting at present, and the water content of the sludge is reduced through lime water absorption, however, the method has the defects of large lime consumption and high operating cost, the sludge treatment capacity of a squeezer can be indirectly reduced by adding lime increment, and in addition, the sludge heat value is low due to the fact that a large amount of water-absorbing lime is doped into the lime, the subsequent sludge incineration (particularly independent incineration) is very adverse, and the sludge incineration treatment effect is influenced.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a sludge deep dehydration treatment system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a sludge deep dehydration treatment system, which is characterized by comprising: the system comprises a sludge concentration tank, a sludge feeding pump, electromagnetic conditioning equipment, a conditioning device, a first medicament tank, a second medicament tank, a squeezing pump, an ultrahigh pressure squeezer, a belt conveyor and a sludge piling shed; the sludge concentration tank is used for storing and standing sludge, and the upper end part of the sludge concentration tank is provided with a drain pipe; the feed end of the sludge feed pump is connected with the lower end part of the sludge concentration tank; the electromagnetic conditioning equipment comprises a filter and a wall breaking device which are sequentially arranged, wherein the discharge end of the sludge feed pump is connected with the feed inlet of the filter, and the discharge outlet of the filter is connected with the feed inlet of the wall breaking device; the conditioning device comprises a conditioning tank, wherein a stirrer is arranged in the conditioning tank, and the conditioning tank is provided with a sludge feeding hole and a sludge discharging hole; the discharge hole of the wall breaking device is connected with the sludge feed inlet of the conditioning tank through a pipeline; the first medicament tank is connected with the conditioning tank through a first dosing pipeline, and the second medicament tank is connected with the conditioning tank through a second dosing pipeline; the feed end of the squeezing pump is connected with the sludge discharge port of the conditioning tank, and the discharge end of the squeezing pump is connected with the ultrahigh pressure squeezer; the head end of the belt conveyor is positioned at the discharge end of the ultrahigh pressure squeezer, and the tail end of the belt conveyor is positioned in the mud piling shed.
The sludge deep dehydration treatment system provided by the utility model can also have the following characteristics: wherein the sludge feeding pump is a screw pump.
The sludge deep dehydration treatment system provided by the utility model can also have the following characteristics: wherein, a filter sieve is arranged in the filter, and the aperture of the sieve pore of the filter sieve is 8mm-10 mm.
The sludge deep dehydration treatment system provided by the utility model can also have the following characteristics: wherein, the wall breaking device is a sludge organism cell wall breaking device.
The sludge deep dehydration treatment system provided by the utility model can also have the following characteristics: wherein, the squeeze pump is a high-pressure plunger pump, and the ultrahigh pressure squeezer is a YG type ultrahigh pressure squeezer.
The sludge deep dehydration treatment system provided by the utility model can also have the following characteristics: the first medicament tank is used for storing organic medicaments, and the second medicament tank is used for storing inorganic medicaments.
The utility model has the following functions and effects:
the sludge deep dehydration treatment system is provided with a sludge concentration tank and an electromagnetic conditioning device, before the conditioning of a medicament, firstly, the sludge is subjected to standing concentration in the sludge concentration tank to remove part of water, then, the sludge is firstly filtered in the electromagnetic conditioning device to remove large impurities, and the filtered sludge is subjected to electromagnetic wall breaking treatment through a wall breaking device, extracellular polymers of large-molecular microorganisms of the sludge are vibrated and rubbed under the action of electromagnetic wall breaking to be converted into small-molecular polymers, the potential of the sludge is reduced, the next flocculation treatment is facilitated, meanwhile, the cell walls of the microorganisms are abraded under high-frequency vibration to release bound water and convert the bound water into free water, and the free water is convenient for subsequent filter pressing removal. After the treatment, the sludge is sent into the medicament conditioning, so that the medicament conditioning effect is better, and the medicament dosage can be greatly reduced compared with the conventional dosage in the prior art. And the filter pressing adopts the superhigh pressure squeezer in the system, and superhigh pressure filter pressing combines the flocculation effect reinforcing of front end, and the free water fully releases, and the mud cake filter pressing effect that final filter pressing obtained promotes greatly, and the mud cake moisture content that obtains is less than 50%, accords with the sludge dewatering standard.
The sludge deep dehydration treatment system provided by the utility model can meet the deep dehydration requirement of sludge, does not need to add lime, does not reduce the calorific value, and does not influence the subsequent sludge incineration effect.
Drawings
FIG. 1 is a block diagram showing the structure of a sludge deep dehydration treatment system in the embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the utility model easy to understand, the following embodiments are specifically described with reference to the accompanying drawings.
< example >
As shown in fig. 1, the present embodiment provides a sludge deep dehydration treatment system, which includes: the device comprises a sludge concentration tank 1, a sludge feeding pump 3, an electromagnetic conditioning device 4, a conditioning device 5, a first medicament tank 6, a second medicament tank 7, a squeezing pump 8, an ultrahigh pressure squeezer 9, a belt conveyor 10 and a sludge piling shed 11.
The sludge concentration tank 1 is used for storing and standing sludge. The sludge concentration tank 1 adopts a reinforced concrete tank body structure. The upper end of the sludge concentration tank 1 is provided with a drain pipe 2. Standing and staying the sludge raw sludge with high water content in the sludge concentration tank 1 for 12-24 hours to divide the sludge raw sludge into upper-layer water and lower-layer sludge, discharging the upper-layer water through the drain pipe 2, and performing subsequent treatment on the lower-layer sludge.
The feed end of the sludge feed pump 3 is connected with the lower end part of the sludge concentration tank. In this example the sludge feed pump is a screw pump. The sludge feeding pump 3 is used for conveying the sludge on the lower layer to the electromagnetic conditioning equipment 4.
Electromagnetic conditioning equipment 4 contains filter 4a and broken wall device 4b two parts that set gradually, and the feed inlet of filter 4a is connected to the discharge end of mud charge pump 3, and the feed inlet of broken wall device 4b is connected to the discharge gate of filter 4 a. The filter 4a is a filter provided with a filter sieve, and the aperture of the sieve pore of the filter sieve is set to be 8mm-10 mm. In the electromagnetic conditioning equipment 4, the sludge is firstly filtered by a filter screen, large impurities in the sludge are cleaned, and the large impurities mainly comprise cloth strips, longer hairs and other impurities with the size of more than 10 mm. The sludge enters the wall breaking device 4b after being filtered. Broken wall device is sludge organism cell wall breaking device, and this broken wall device adopts the sludge organism cell wall breaking device that Shandong Feitian environmental protection science and technology ltd sold in the present embodiment. Mud gets into the broken wall device and takes care of, and interior mud macromolecule extracellular polymer is shaken, the friction is changed into the micromolecule polymer under the broken wall effect, and self potential in the mud descends, does benefit to flocculation treatment on next step, releases the binding water simultaneously, changes into the free water, and under the high frequency shock, the microorganism cell wall is worn out in the mud, releases the inside water of cell, and the mud after the electric broken wall flows automatically and gets into and take care of device 5.
The conditioning device 5 comprises a conditioning tank 5a, wherein a stirrer 5b is arranged in the conditioning tank 5a, and the stirrer 5b adopts a motor-driven stirrer. The conditioning tank 5a is provided with a sludge feeding port and a sludge discharging port. The discharge hole of the wall breaking device 4b is connected with the sludge feed inlet of the conditioning tank 5a through a pipeline. First medicament jar 6 adds medicine pipe connection through first and takes care of jar 5a, and second medicament jar 7 adds medicine pipe connection through the second and takes care of jar 5 a. The first chemical tank 6 is a chemical tank for storing an organic chemical, and the first chemical tank 6 stores a flocculant polyacrylamide solution in this embodiment. The second chemical tank 7 is a chemical tank storing an inorganic chemical, and the second chemical tank 7 stores a coagulant polyaluminum chloride solution in this embodiment. The first dosing pipeline and the second dosing pipeline are respectively provided with a control valve for controlling the flow of the medicament.
The feed end of the squeeze pump 8 is connected with the sludge discharge port of the conditioning tank 5a, and the discharge end of the squeeze pump 8 is connected with the ultrahigh pressure presser 9. The sludge conditioned by the agent is conveyed to an ultrahigh pressure presser 9 through a presser pump 8. In the embodiment, the squeezing pump 8 adopts a high-pressure plunger pump; the ultra-high pressure presser 9 is a commercially available YG type ultra-high pressure presser manufactured by shanghai minister environmental protection gmbh. The pressing pressure of the YG type ultrahigh pressure squeezer is 2-10Mpa, so that a larger sealing force is provided between the plate frame and the plate frame, the dehydration effect is greatly improved, the dehydration time is shortened, and a product obtained after the sludge is subjected to pressure filtration by the ultrahigh pressure squeezer is a mud cake.
The head end of the belt conveyor 10 is located at the discharge end of the ultrahigh pressure squeezer, and the tail end of the belt conveyor 10 is located in the mud piling shed 11. The belt conveyor 10 is used for conveying the filter-pressed mud cakes to a mud piling shed 11 so as to facilitate centralized transportation.
The embodiment provides a working process of a sludge deep dehydration treatment system as follows: raw sludge is firstly kept stand and layered in a sludge concentration tank 1, part of water in the sludge is removed, then the concentrated sludge is sent into an electromagnetic conditioning device 4 through a sludge feeding pump 3, a filter 4a is used for filtering out bulk impurities, and then a wall breaking device 4b is used for changing the surface tension of water in the sludge, promoting the cell rupture of microorganisms in the sludge, releasing intracellular water and achieving the structural destabilization. Then, the sludge automatically flows into a conditioning device 5, and an organic medicament and an inorganic medicament are sequentially added into the sludge in a conditioning tank 5a and are stirred and mixed, so that the sludge is fully conditioned. Then, the sludge is sent into an ultrahigh pressure presser 9 through a press pump 8 for press filtration, and the water content of the obtained mud cake is lower than 50%. Finally, the cake is conveyed by a belt conveyor 10 into a piling mud shed 11 for centralized outward handling.
It will be appreciated by those skilled in the art that the foregoing embodiments are illustrative only, and are provided for the purpose of providing a better understanding of the utility model and are not to be construed as limiting the scope of the utility model in any way as long as there are any equivalent alterations or modifications within the spirit of the utility model disclosed.
Claims (6)
1. A sludge deep dehydration treatment system is characterized by comprising: the system comprises a sludge concentration tank, a sludge feeding pump, electromagnetic conditioning equipment, a conditioning device, a first medicament tank, a second medicament tank, a squeezing pump, an ultrahigh pressure squeezer, a belt conveyor and a sludge piling shed;
the sludge concentration tank is used for storing and standing sludge, and the upper end part of the sludge concentration tank is provided with a drain pipe;
the feed end of the sludge feed pump is connected with the lower end part of the sludge concentration tank;
the electromagnetic conditioning equipment comprises a filter and a wall breaking device which are sequentially arranged, wherein the discharge end of the sludge feed pump is connected with the feed inlet of the filter, and the discharge outlet of the filter is connected with the feed inlet of the wall breaking device;
the conditioning device comprises a conditioning tank, wherein a stirrer is arranged in the conditioning tank, and the conditioning tank is provided with a sludge feeding hole and a sludge discharging hole;
the discharge hole of the wall breaking device is connected with the sludge feed inlet of the conditioning tank through a pipeline;
the first medicament tank is connected with the conditioning tank through a first dosing pipeline, and the second medicament tank is connected with the conditioning tank through a second dosing pipeline;
the feed end of the squeezing pump is connected with the sludge discharge port of the conditioning tank, and the discharge end of the squeezing pump is connected with the ultrahigh pressure squeezer;
the head end of the belt conveyor is located at the discharge end of the ultrahigh pressure squeezer, and the tail end of the belt conveyor is located in the mud piling shed.
2. The sludge deep dehydration treatment system of claim 1, characterized in that:
wherein the sludge feeding pump is a screw pump.
3. The sludge deep dehydration treatment system of claim 1, characterized in that:
wherein a filter sieve is arranged in the filter, and the aperture of the sieve pore of the filter sieve is 8mm-10 mm.
4. The sludge deep dehydration treatment system of claim 1, characterized in that:
wherein, the wall breaking device is a sludge organism cell wall breaking device.
5. The sludge deep dehydration treatment system of claim 1, characterized in that:
wherein, the squeeze pump is high-pressure plunger pump, the superhigh pressure squeezer is YG type superhigh pressure squeezer.
6. The sludge deep dehydration treatment system of claim 1, characterized in that:
the first medicament tank is used for storing organic medicaments, and the second medicament tank is used for storing inorganic medicaments.
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| CN202122123429.8U CN215756976U (en) | 2021-09-03 | 2021-09-03 | Sludge deep dehydration processing system |
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| CN202122123429.8U CN215756976U (en) | 2021-09-03 | 2021-09-03 | Sludge deep dehydration processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305981A (en) * | 2022-08-15 | 2022-11-08 | 广东中拓建材科技有限公司 | Sewage pool bottom sludge extraction system and sewage pool bottom sludge extraction method |
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- 2021-09-03 CN CN202122123429.8U patent/CN215756976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305981A (en) * | 2022-08-15 | 2022-11-08 | 广东中拓建材科技有限公司 | Sewage pool bottom sludge extraction system and sewage pool bottom sludge extraction method |
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