CN113716822A - Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system - Google Patents

Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system Download PDF

Info

Publication number
CN113716822A
CN113716822A CN202111032908.7A CN202111032908A CN113716822A CN 113716822 A CN113716822 A CN 113716822A CN 202111032908 A CN202111032908 A CN 202111032908A CN 113716822 A CN113716822 A CN 113716822A
Authority
CN
China
Prior art keywords
sludge
wall breaking
ultrahigh pressure
tank
conditioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111032908.7A
Other languages
Chinese (zh)
Inventor
宋小莉
刘红宇
刘道广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Techase Environment Protection Co ltd
Original Assignee
Shanghai Techase Environment Protection Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Techase Environment Protection Co ltd filed Critical Shanghai Techase Environment Protection Co ltd
Priority to CN202111032908.7A priority Critical patent/CN113716822A/en
Publication of CN113716822A publication Critical patent/CN113716822A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/44—Time

Abstract

The invention discloses a sludge dewatering process and a system combining sludge wall breaking and an ultrahigh pressure squeezer, wherein the sludge dewatering process comprises the following steps: 1) performing sludge wall breaking treatment on the primary sludge with the water content of 97%; 2) adding chemicals into the sludge subjected to the sludge wall breaking treatment, and performing flocculation conditioning; 3) and carrying out ultrahigh pressure squeezing on the flocculated and conditioned sludge, wherein the squeezing pressure is 2-10Mpa, the water content of the squeezed sludge is lower than 50%, and then conveying the sludge for outward transportation. The sludge dewatering process combining the sludge wall breaking and the ultrahigh pressure squeezer has the advantages that: the medicament consumption is low; the dehydration effect is good; the batch operation time is shortened, and the operation efficiency is improved.

Description

Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a sludge dewatering process and system combining sludge wall breaking and an ultrahigh pressure squeezer.
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%.
Recently, the development and improvement committee issues a clear proposal about the development plan of 'fourteen five' town sewage treatment and resource utilization, emphatically solves the difficulty of sludge treatment, and realizes harmless promotion and resource utilization. The harmless treatment rate of the sludge is required to reach 90 percent, the implementation range is widened from the grade of land and above cities of thirteen-five national urban sewage treatment and recycling facility construction planning to all cities, and the harmless resource treatment of the sludge is required to be comprehensively realized in 2035 years. Therefore, the sludge treatment and disposal is developed from sludge landfill to sludge incineration, land utilization and the like, and therefore sludge incineration, sludge recycling and incineration are important development directions in the future.
The conventional method for treating sludge in the prior art is to adopt a mode of adding an organic agent and an inorganic agent for conditioning and then squeezing, however, for dewatering sludge with high water content (water content of 97%), the method is difficult to achieve that the water content of the sludge is lower than 50% after squeezing by a squeezer, and the water content is about 60% generally, therefore, in order to achieve that the water content of sludge discharged from the sludge reaches 50%, the method of adding lime into the sludge before squeezing is adopted to assist in the prior art, the water content of the sludge is reduced through lime water absorption, but the method has the defects of large agent consumption, large lime consumption and high operation cost, the sludge treatment amount of the squeezer is indirectly reduced by adding lime increment, and in addition, more seriously, the sludge heat value is low due to the fact that a large amount of water-absorbed lime is doped into the sludge, and the method is very unfavorable for subsequent sludge incineration (especially independent incineration), the effect of sludge incineration treatment is affected.
Disclosure of Invention
The invention is carried out to solve the problems and aims to provide a sludge dewatering process and a sludge dewatering system combining sludge wall breaking and an ultrahigh pressure squeezer.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, which is characterized by comprising the following steps of: 1) performing sludge wall breaking treatment on the primary sludge with the water content of 97%; 2) adding chemicals into the sludge subjected to the sludge wall breaking treatment, and performing flocculation conditioning; 3) and carrying out ultrahigh pressure squeezing on the flocculated and conditioned sludge, wherein the squeezing pressure is 2-10Mpa, the water content of the squeezed sludge is lower than 50%, and then conveying the sludge for outward transportation.
In the sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the sludge dewatering process can also have the following characteristics: wherein, in the dosing flocculation conditioning, organic agents are added firstly, stirred and mixed, and then inorganic agents are added, stirred and mixed; the adding amount of the organic agent is 1-3 per mill of the absolute dry mud amount, and the preparation concentration of the organic agent is 1-2 per mill; the adding amount of the inorganic agent is 1-3% of the absolute dry sludge, and the preparation concentration of the inorganic agent is 10%.
In the sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the sludge dewatering process can also have the following characteristics: wherein, the organic medicament adopts polyacrylamide; the inorganic medicament adopts polyaluminium chloride.
In the sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the sludge dewatering process can also have the following characteristics: wherein, the organic medicament is added, stirred and mixed for 10 to 15 minutes; adding inorganic medicament, stirring and mixing for 10-15 minutes.
In the sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the sludge dewatering process can also have the following characteristics: wherein, the sludge wall breaking treatment is carried out before filtration treatment, and impurities with the size larger than 10mm are filtered out.
In the sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the sludge dewatering process can also have the following characteristics: wherein the time of the sludge wall breaking treatment is 0.5-1 hour.
The invention also provides a sludge deep dehydration treatment system, which is used for the sludge dehydration process combining the sludge wall breaking and the ultrahigh pressure squeezer and is characterized in that: the sludge dewatering treatment 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 used for storing organic medicaments and is connected with the conditioning tank through a first medicament adding pipeline; the second medicament tank is used for storing inorganic medicaments and is connected with the conditioning tank through a second medicament adding 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 invention 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 invention can also have the following characteristics: wherein the sludge feeding pump is a screw pump.
The invention has the following functions and effects:
1. the dewatering effect is good: before carrying out the medicament and taking care of, mud filters earlier at electromagnetism conditioning equipment and has removed bold child impurity, the mud after will filtering again has carried out the broken wall and has handled, the extracellular polymer of mud macromolecule microorganism is shaken under the broken wall effect, the friction changes into the micromolecule polymer, and self electric potential descends in the mud, be favorable to flocculation treatment on next step, the microorganism cell wall is worn out under the high frequency is simultaneously shaken, release the binding water, change into the free water, the free water is convenient for follow-up filter-pressing and is got rid of. After the treatment, the sludge is sent to the medicament conditioning, so that the medicament conditioning effect is better. 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, can once only dehydrate the mud of moisture content 97% to below 50%, accords with the sludge dewatering standard.
2. The medicament consumption is low: in the process, the sludge wall breaking is combined with the ultrahigh pressure squeezer, and the medicament is added for conditioning after the sludge wall breaking treatment, so that the dosage of the medicament is greatly reduced and only needs about 50 percent of the conventional dosage.
3. Shorten batch operation time, improve the operating efficiency: the process of the invention reduces the sludge-feeding resistance ratio, greatly shortens the sludge-feeding time and can treat the sludge in large batch.
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, the creation characteristics, the achievement purposes and the effects of the present invention easy to understand, the following embodiments are combined with the accompanying drawings to specifically describe the sludge dewatering process and system combining the sludge wall breaking and the ultra-high pressure press.
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 following content explains a sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer, the process is carried out by adopting the sludge deep dewatering treatment system, and the process comprises the following steps:
1) pretreatment of
Firstly, raw sludge with the water content of 97 percent is placed in a sludge concentration tank 1 for standing and layering, water on the upper layer can be discharged through a drain pipe 2, and the sludge on the lower layer is subjected to subsequent treatment.
Then, the concentrated sludge is sent into an electromagnetic conditioning device 4 through a sludge feeding pump 3, impurities with the size of more than 10mm are filtered out of the sludge through a filter 4a, and the sludge enters a wall breaking device 4b for sludge wall breaking treatment. The extracellular polymer of the sludge macromolecular organisms is vibrated and rubbed to be converted into the micromolecular polymer in the wall breaking device 4b, the potential of the sludge per se is reduced, the next step of flocculation treatment is facilitated, the bound water is released and converted into the free water, and the microbial cell walls in the sludge are abraded under high-frequency vibration to release water inside the cells. The time of the sludge wall breaking treatment is 0.5-1 hour.
2) Flocculation conditioning
The sludge after the wall breaking treatment 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 for conditioning. The method comprises the following specific steps:
firstly, adding an organic medicament (polyacrylamide) into the mixture, stirring and mixing the mixture, and conditioning the sludge, wherein the adding amount of the organic medicament is 1-3 per mill of the absolute dry sludge, the preparation concentration of the organic medicament is 1-2 per mill, and the conditioning time of the organic medicament is 10-15 minutes.
Then, adding an inorganic agent (polyaluminium chloride), stirring and mixing, and conditioning the sludge, wherein the adding amount of the inorganic agent is 1-3% of the absolute dry sludge, the preparation concentration of the inorganic agent is 10%, and the conditioning time of the inorganic agent is 10-15 minutes.
3) Squeezing machine
And (3) carrying out ultrahigh pressure squeezing on the flocculated and conditioned sludge, wherein the squeezing pressure is 2-10Mpa, and the sludge is sent into an ultrahigh pressure squeezer 9 through a squeezing pump 8 for pressure filtration, so that the water content of the obtained mud cake is lower than 50%. Finally, the mud cake is conveyed to a mud piling shed 11 through a belt conveyor 10 for centralized outward transportation treatment.
The process is adopted to carry out a sludge treatment experiment, and the effect is verified as follows:
the sludge raw mud used in the experiment: firstly, excess sludge from municipal sewage treatment plants has the water content of 97 percent; and the water content of the excess sludge from the municipal sewage treatment plant is 80 percent.
The scale of the treatment of the sludge treatment plant used in the experiment was: the existing sludge treatment plant which treats 100 tons of sludge with water content of 80 percent daily is transformed into the sludge deep dehydration treatment system.
The experimental results are as follows:
sludge raw sludge with a water content of 97% is treated, and the water content of the sludge cake obtained after pressing is lower than 50%.
Processing raw sludge with the water content of 80 percent, wherein the water content of a mud cake obtained after squeezing is lower than 50 percent, and the daily processing scale is 130 t.
The economic benefit analysis of the process of the invention comprises the following steps:
1) the cost of the current mud medicament per ton is about 80 yuan, the medicament dosage used by the process of the invention per ton can be reduced by 50% compared with the conventional dosage, and the medicament cost is saved by 40 yuan/t multiplied by 100t multiplied by 365 days to 146 ten thousand yuan per year.
2) The process of the invention can shorten the operation period, and the sludge treatment plant can promote the treatment of 100t of sludge with water content of 80% to 130 t.
3) The sludge with the water content of 97 percent can be reduced to the water content of below 50 percent by adopting the process, and compared with the sludge with the water content of 60 percent obtained by the sludge with the water content of 97 percent in the prior art, the cost of later-period transportation, composting, incineration and the like can be reduced.
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 invention and are not to be construed as limiting the scope of the invention in any way as long as there are any equivalent alterations or modifications within the spirit of the invention disclosed.

Claims (9)

1. A sludge dewatering process combining sludge wall breaking and an ultrahigh pressure squeezer is characterized by comprising the following steps:
1) performing sludge wall breaking treatment on the primary sludge with the water content of 97%;
2) adding chemicals into the sludge subjected to the sludge wall breaking treatment, and performing flocculation conditioning;
3) and carrying out ultrahigh pressure squeezing on the flocculated and conditioned sludge, wherein the squeezing pressure is 2-10Mpa, the water content of the squeezed sludge is lower than 50%, and then conveying the sludge for outward transportation.
2. The sludge dewatering process combining sludge wall breaking and an ultrahigh pressure press according to claim 1, characterized in that:
wherein, in the dosing flocculation conditioning, organic agents are added firstly, stirred and mixed, and then inorganic agents are added, stirred and mixed;
the adding amount of the organic agent is 1-3 per mill of the absolute dry mud amount, and the preparation concentration of the organic agent is 1-2 per mill;
the adding amount of the inorganic agent is 1-3% of the absolute dry sludge, and the preparation concentration of the inorganic agent is 10%.
3. The sludge dewatering process combining sludge wall breaking and an ultrahigh pressure press according to claim 2, characterized in that:
wherein the organic medicament is polyacrylamide; the inorganic medicament adopts polyaluminium chloride.
4. The sludge dewatering process combining sludge wall breaking and an ultrahigh pressure press according to claim 2, characterized in that:
wherein, the organic medicament is added, stirred and mixed for 10 to 15 minutes; adding inorganic medicament, stirring and mixing for 10-15 minutes.
5. The sludge dewatering process combining sludge wall breaking and an ultrahigh pressure press according to claim 1, characterized in that:
wherein, the sludge wall breaking treatment is performed with filtering treatment before, and impurities with the size larger than 10mm are filtered.
6. The sludge dewatering process combining sludge wall breaking and an ultrahigh pressure press according to claim 1, characterized in that:
wherein the time of the sludge wall breaking treatment is 0.5-1 hour.
7. A sludge deep dehydration treatment system is used for the sludge dehydration process combining sludge wall breaking and an ultrahigh pressure squeezer according to any one of claims 1-6, and is characterized in that: the sludge dewatering treatment 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 used for storing organic medicaments and is connected with the conditioning tank through a first medicament feeding pipeline;
the second medicament tank is used for storing inorganic medicaments and is connected with the conditioning tank through a second medicament feeding 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.
8. 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.
9. The sludge deep dehydration treatment system of claim 1, characterized in that:
wherein the sludge feeding pump is a screw pump.
CN202111032908.7A 2021-09-03 2021-09-03 Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system Pending CN113716822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111032908.7A CN113716822A (en) 2021-09-03 2021-09-03 Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111032908.7A CN113716822A (en) 2021-09-03 2021-09-03 Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system

Publications (1)

Publication Number Publication Date
CN113716822A true CN113716822A (en) 2021-11-30

Family

ID=78681553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111032908.7A Pending CN113716822A (en) 2021-09-03 2021-09-03 Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system

Country Status (1)

Country Link
CN (1) CN113716822A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587869A (en) * 2018-07-02 2018-09-28 浙江华庆元生物科技有限公司 A kind of waste dish biochemical treatment dewatering system
CN116947282A (en) * 2023-07-13 2023-10-27 上海申耀环保工程有限公司 High-pressure belt type continuous sludge deep dehydration integrated system and process method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587869A (en) * 2018-07-02 2018-09-28 浙江华庆元生物科技有限公司 A kind of waste dish biochemical treatment dewatering system
CN116947282A (en) * 2023-07-13 2023-10-27 上海申耀环保工程有限公司 High-pressure belt type continuous sludge deep dehydration integrated system and process method thereof

Similar Documents

Publication Publication Date Title
CN104098250B (en) A kind of municipal sludge chemical conditioning strengthening preliminary mechanical dehydration associating electro-osmosis two-stage deep dehydration method
CN105000713B (en) A kind of desulfurization wastewater treatment system and method
CN113716822A (en) Sludge wall breaking and ultrahigh pressure squeezer combined sludge dewatering process and system
CN108947185A (en) A kind of sludge modification diaphragm pressing Deep dehydration technique and system
CN204111556U (en) A kind of dewatering system for municipal sludge deep dehydration
CN210313987U (en) Deep sludge dewatering system
CN104788002B (en) A kind of sludge pretreatment equipment
CN108383347A (en) A kind of urban sewage treatment plant sludge intensive treatment and resource utilization device and method
KR101212334B1 (en) A method and apparatus for remove organic substance, nitrogen and phosphorus in highly concentrated organic waste water
CN210340671U (en) Sludge wall breaking and deep dewatering system
CN215756976U (en) Sludge deep dehydration processing system
CN202576190U (en) Combined sludge deep dehydration device
CN105016451B (en) Recycling method for iron-enriched sludge of pulping and papermaking factory wastewater
CN206428124U (en) Silicon chip cuts sewage recorery treatment system
CN207986882U (en) A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device
CN110590122A (en) Method for circularly applying sludge wastewater to sludge dewatering
CN105967484A (en) Sludge deep dehydration method for processing flue gas desulfurization wastewater sludge
CN106746004B (en) Method for treating breeding excrement
CN104973747A (en) Electro-osmosis sludge dewatering system
CN113830952A (en) Phosphorite mine water treatment system and treatment method
CN209957632U (en) Belt type sludge dewatering machine
CN212559914U (en) Sludge deep dehydration processing apparatus
CN104773939B (en) For the staged dewatering process of Treatment of Sludge
CN108178487A (en) A kind of sludge of sewage treatment plant deep dehydration method
CN208667414U (en) A kind of skin gelatin waste water treatment system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination