CN111153579A - Sludge heatless drying method and device system thereof - Google Patents
Sludge heatless drying method and device system thereof Download PDFInfo
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- CN111153579A CN111153579A CN201811316877.6A CN201811316877A CN111153579A CN 111153579 A CN111153579 A CN 111153579A CN 201811316877 A CN201811316877 A CN 201811316877A CN 111153579 A CN111153579 A CN 111153579A
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- 239000010802 sludge Substances 0.000 title claims abstract description 99
- 238000001035 drying Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000018044 dehydration Effects 0.000 claims abstract description 22
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 22
- 239000000126 substance Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000011899 heat drying method Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000007605 air drying Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 16
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000008676 import Effects 0.000 abstract 1
- 208000005156 Dehydration Diseases 0.000 description 17
- 239000012024 dehydrating agents Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge non-heat drying method and a device system thereof, and the method comprises the following process steps: (1) conveying the sludge to be treated into a stirrer, adding a chemical conditioner and a physical conditioner, and uniformly mixing; (2) conveying the uniformly mixed sludge into a reaction tank for a certain time to ensure full reaction; (3) the sludge after the reaction is put into a squeezing device for rapid dehydration; (4) crushing the dewatered mud cake in a crusher; (5) the crushed mud cake enters a drying bin for forced ventilation and drying; (6) and (4) the sewage generated in the step is treated in a water treatment device. The dehydration process of the method of the invention takes short time, and the drying process does not need heating; the method has the advantages of high treatment efficiency, low energy consumption, low treatment cost, no secondary pollution and the like. The water content of the dried sludge cake is 20-40%, and the dried sludge cake is adjustable and can meet the import requirements of various sludge final treatment processes.
Description
Technical Field
The invention relates to a heatless drying method for treating sludge and a device system thereof, belonging to the technical field of deep dehydration and drying of sludge.
Background
The sludge, especially the residual sludge produced by urban sewage treatment plants, has the characteristics of high water content, high organic matter content, difficult dehydration, easy decay and odor generation, and the like, and if the sludge is not properly treated, serious secondary pollution is caused, so the sludge becomes an environmental problem commonly faced by various towns. The core problem of sludge treatment is the dehydration problem, and only if the moisture content of the sludge is reduced to a certain level, the subsequent final treatment, such as incineration, pyrolysis, composting, landfill and the like, can be carried out. The water content of the residual sludge generated by the sewage treatment plant is 80-85%, the water content can be reduced to 50-60% by adopting a pressure dehydration treatment mode, and the water content can be reduced to 20-40% by adopting a heat drying treatment mode. At present, plate-and-frame filter presses or diaphragm filter presses improved on the basis of the plate-and-frame filter presses are mainly applied for pressure dehydration, the processing time of one batch of the filter presses is as long as 4 hours, and the efficiency is low; and lime is added into the sludge before pressurization to improve the dehydration performance, the lime belongs to sludge substances, and the addition of the lime reduces the resource utilization performance of the mud cakes. At present, the sludge is dried by adopting a heat drying method, and the main heat drying technology comprises the following steps:
(1) the electric energy drying method converts electric energy into heat energy or energy in the form of microwaves and the like, heats wet sludge to evaporate water, and dries the sludge. The method has the advantages of simple equipment, small occupied area, simple and convenient operation, high efficiency and good operation environment.
(2) The hot water drying method is characterized in that heat energy of high-temperature hot water is utilized, heat exchange is carried out through a heat exchanger, and moisture in sludge is evaporated to dry the sludge. The method has the advantages of simple equipment, good stability, convenient operation, high efficiency and low operation cost. Is suitable for large enterprises with abundant hot water.
(3) The steam drying method is characterized in that steam heat energy is utilized to carry out heat exchange through a shell layer of a heat exchanger, and water in sludge is evaporated to be dried. The method has the advantages of simple equipment, good stability, convenient operation, high efficiency and large operation elasticity. Is suitable for large enterprises with abundant steam.
(4) The solar drying method is used for drying and stabilizing sludge of a sewage treatment plant by using solar energy as a main energy source and by means of a traditional greenhouse drying process. The method has the advantages of simple equipment, lowest energy consumption, less one-time investment and low operation cost. Is suitable for the areas with wide area, rare people, strong sunshine and dry climate.
(5) The gas drying method uses natural gas (or coal gas) as fuel to provide heat source, and dries sludge in drying equipment. The method has the advantages of complex equipment, high efficiency, higher one-time investment and high operation cost. Is suitable for petrochemical enterprises with rich natural gas and coal enterprises with rich coal gas.
(6) The drying method of the waste heat of the furnace flue gas has the advantages that the temperature of the furnace flue gas is generally 120-200 ℃, huge heat energy is stored, and the drying method is an ideal heat source for drying sludge at low temperature. The method has the advantages of complex equipment, high efficiency, high one-time investment, good economy and low operation cost. Is suitable for enterprises with heating furnaces.
Among the drying methods, the hot water drying method, the steam drying method and the kiln flue gas waste heat drying method are used for drying sludge by using waste heat generated in the production process of enterprises, so that the application range of the drying methods is limited. The gas drying method is to provide a heat source by using byproducts of petrochemical enterprises rich in natural gas and coal enterprises rich in coal gas to dry sludge, and the application range of the gas drying method is also limited. The solar drying method is suitable for the regions with wide areas, rare people, strong sunshine and dry climate, and cannot be applied to most towns. The electric drying method has the best applicability, but has huge energy consumption, and even if an air source heat pump with higher energy conversion efficiency is adopted, the treatment cost is still hard to bear. Moreover, these heat drying methods have a common problem: the secondary pollution is serious, and odor and dust are generated in the treatment process, which is one of the most main factors limiting the application of the heat drying method.
Disclosure of Invention
The invention provides a sludge non-heat drying method and a device system thereof, aiming at solving the problems of the sludge deep dehydration and heat drying method.
The invention is realized by the following technical scheme:
a sludge non-heat drying method is realized by the following steps:
(1) conveying the sludge to be treated into a stirrer, adding a chemical conditioner and a physical conditioner, and uniformly mixing;
(2) conveying the uniformly mixed sludge into a reaction tank for a certain time to ensure full reaction;
(3) the sludge after the reaction is put into a squeezing device for rapid dehydration;
(4) crushing the dewatered mud cake in a crusher;
(5) the crushed mud cake enters a drying bin for forced ventilation and drying;
(6) and (4) the filtrate generated in the step (3) enters a water treatment system for treatment.
The chemical conditioner added into the stirrer in the step (1) is the combination of the special dehydrating agent and various chemical agents.
The physical conditioner added into the stirrer in the step (1) is particles made of biomass.
The rapid dehydration in the step (3) is to convey the conditioned sludge into a special omnibearing water outlet press for pressure dehydration, and the number of the omnibearing water outlet presses can be two or more.
And (3) the drying bin in the step (5) is not heated, a phase change principle and a heat and moisture exchange principle are applied, and under the condition of equal enthalpy, the water in the mud cake is removed by utilizing the difference between the partial pressure of water vapor in the air and the partial pressure of saturated water vapor in a water boundary layer in the mud cake.
The invention also provides a device system for the non-heat drying of the sludge, which comprises a sludge conditioning module, a deep dehydration module, a drying module and a wastewater treatment device, wherein the sludge conditioning module consists of a special sludge stirrer, chemical conditioner adding equipment, physical conditioner adding equipment, a reaction tank and a conveyor; the deep dehydration module consists of a proprietary omnibearing water outlet squeezer, a feeding device and a discharging device; the drying module consists of a drying bin, a fan and a gas-water separator; and the filtrate discharged by the squeezer enters a wastewater treatment device.
The special sludge stirrers can be used in parallel of two or more than two.
The reaction tanks may be two or more in parallel.
The special omnibearing water outlet press can be used in parallel by two or more.
The air drying bins can be two or more than two air drying bins which are used in parallel.
The sludge heat-free drying device system is controlled by a full-automatic intelligent control system.
The invention has the beneficial effects that:
(1) the sludge is conditioned by the combination of the special sludge dehydrating agent and other chemical agents, so that the microbes in the sludge can be completely and thoroughly subjected to wall breaking treatment, intracellular water is released, extracellular polymers are decomposed, the water viscosity is reduced, the dehydration performance of the excess sludge can be effectively improved, and the water and solid particles in the excess sludge are easy to separate.
(2) The special omnibearing effluent presser is used for squeezing and dehydrating the conditioned sludge, the time for reaching the treatment target of the water content of less than 60 percent is only 10 minutes, which is about 1/20 of a diaphragm type filter press, and the dehydration efficiency is greatly improved; in addition, the microstructure of the dewatered mud cake is changed, and the mud cake is in a porous state, so that favorable conditions are created for subsequent drying treatment.
(3) According to the invention, the drying treatment of the dewatered mud cake adopts a forced ventilation drying method, heating is not carried out, the energy consumption is only about 1/8 of that of an electric heating drying method, and the energy-saving effect is obvious; in addition, no heating is performed, no odor is generated, and secondary pollution is avoided.
The invention has the following overall beneficial effects: high treatment efficiency, low energy consumption, low treatment cost, no secondary pollution and the like.
Drawings
FIG. 1 is a schematic process flow diagram of a sludge non-heat drying method and a device system thereof.
In the figure, 1-a sludge storage bin, 2-a stirrer, 3-a chemical conditioner feeding device, 4-a physical conditioner feeding device, 5-a reaction tank, 6-a feeding device, 7-an all-dimensional water outlet squeezer, 8-a hydraulic system, 9-a discharging device, 10-a crusher, 11-a drying bin, 12-a water treatment device, 13-a gas-water separator and 14-an automatic control system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
And conveying the residual sludge with the water content of 80-85% to be treated into the sludge storage bin 1 for temporary storage. The method comprises the steps of conveying sludge in a sludge storage bin 1 into a stirrer 2 by a conveyor, adding a chemical conditioner into the stirrer 2 by a feeding device 3 according to a certain proportion, simultaneously adding a physical conditioner into the stirrer 2 by a feeding device 4, uniformly mixing, and then conveying the mixture into a reaction tank 5 by the conveyor for a certain time. The dosage of the chemical conditioner and the physical conditioner is adjusted within a certain range according to the water content of the excess sludge, and the component proportion of the chemical conditioner is adjusted according to the organic matter content of the sludge and the extracellular polymeric substance component. In the invention, 20-50 kg of chemical conditioner and 60-80 kg of physical conditioner are added into each ton of sludge. Wherein, the adopted chemical conditioner comprises one or more than two of cationic polyacrylamide, hexadecyl trimethyl ammonium bromide, polyaluminium chloride and the like and a TS-01 dehydrating agent, wherein the TS-01 dehydrating agent is a medicament which is extracted from minerals and can break the cell wall of microorganisms. The adopted physical conditioner is fine particles made of biomass, such as sawdust, rice hull carbon, crop straw crushed particles and the like, and has the function of serving as a framework construction body to form a drainage channel in the sludge, so that the moisture in the sludge can be discharged with smaller resistance in the process of pressure dehydration.
The sludge added with the chemical conditioner and the physical conditioner and subjected to sufficient reaction time in the reaction tank 5 is sent into a feeding device 6, then the sludge is respectively sent into each filtering chamber of an all-dimensional water outlet presser 7 by the feeding device 6, and a hydraulic system 8 is started to squeeze and dewater the sludge. The omnibearing water outlet presser 7 adopted by the invention is a brand-new pressure dewatering device, and is mainly characterized in that all surfaces of a filter chamber are provided with water outlet holes, compared with the filter chamber of a diaphragm type filter press, only one surface of the filter chamber is provided with the water outlet holes. The combination of two factors of 'a drainage channel is formed in sludge by adding a physical conditioner into the sludge' and 'drainage holes are formed on all surfaces of a filter chamber of a squeezer', so that the omnibearing water outlet squeezer 7 adopted by the invention has very high dehydration efficiency, the water content of the sludge can be reduced to below 60% in 10 minutes, the used time is about 1/20 of a diaphragm type filter press, and the dehydration efficiency is greatly improved. In addition, as the physical conditioner is added into the sludge, the dewatered mud cake is in a porous state, the specific surface area is large, and favorable conditions are created for ventilation drying.
The dewatered mud cake is unloaded from the omnibearing water outlet presser 7 by the unloading device 9, sent into a crusher 10 by a conveyor for crushing to form blocks with the granularity not more than 30mm, and then sent into a drying bin 11 for drying treatment. The drying process is not heated, the invention adopts forced ventilation, applies a phase change principle and a heat and moisture exchange principle, and removes the water in the mud cake by utilizing the difference between the partial pressure of the water vapor in the air and the partial pressure of the saturated water vapor in a water boundary layer in the mud cake under the condition of equal enthalpy, so that the water content can be reduced to below 20 percent. The drying method of the invention does not heat, the energy consumption is only about 1/8 of the electric heating drying method, and the energy-saving effect is obvious; in addition, no heating is performed, no odor is generated, and secondary pollution is avoided.
The sewage generated by the squeezer 7 is sent into a water treatment device 12 for treatment, and the treated water is discharged into a city sewer network. The moisture generated by the drying bin 11 is distilled water, does not contain pollutants, does not need to be treated, and can be discharged after being separated from air by the gas-water separator 13.
The operation of the sludge non-heat drying method and the device system thereof is intelligently and automatically controlled by an automatic control system 14.
The present invention will be further described with reference to the following examples.
Example 1
The water content of the excess sludge of a certain urban sewage treatment plant is 81.2 percent, the organic matter content is 49.5 percent (dry weight), and the protein content in the extracellular polymeric substance is more than the sugar content. 20 kg of chemical conditioner and 50kg of physical conditioner are added into each ton of sludge. The chemical conditioner comprises the following components: 15% of cationic polyacrylamide, 15% of hexadecyl trimethyl ammonium bromide, 10% of polyaluminum chloride and 60% of TS-01 dehydrating agent; the physical conditioner is wood chips with water content of 10%; stirring uniformly by a stirrer, and then sending into a reaction tank for staying for 20 minutes; then the sludge is sent into an omnibearing water outlet presser to be pressed for 10 minutes, and the water content of the sludge cake is 56 percent; and (3) crushing the mud cakes to a granularity of not more than 30mm, sending the mud cakes into an air drying bin, and staying for 24 hours to obtain a dried product with the water content of 39.6 percent.
Example 2
The sludge of a certain urban sludge centralized treatment plant comes from 5 domestic sewage treatment plants in urban areas, the water content of the mixed sludge is 83.1 percent, the organic matter content is 52.2 percent (dry weight), and the protein content in extracellular polymers is greater than the sugar content. 19 kg of chemical conditioner and 48 kg of physical conditioner are added into each ton of sludge. The chemical conditioner comprises the following components: 12% of cationic polyacrylamide, 13% of hexadecyl trimethyl ammonium bromide, 10% of polyaluminum chloride and 65% of TS-01 dehydrating agent; the physical conditioner is crushed straw particles with the water content of 11 percent; stirring uniformly by a stirrer, and then sending into a reaction tank for staying for 20 minutes; then the sludge is sent into an omnibearing water outlet presser to be pressed for 10 minutes, and the water content of the sludge cake is 53 percent; and (3) crushing the mud cakes to a granularity not larger than 30mm, sending the mud cakes into an air drying bin, and staying for 24 hours to obtain a dried product with the water content of 35.9%.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements, etc. that are made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A sludge non-heat drying method is characterized by comprising the following steps:
(1) conveying the sludge to be treated into a stirrer, adding a chemical conditioner and a physical conditioner, and uniformly mixing;
(2) conveying the uniformly mixed sludge into a reaction tank for a certain time;
(3) conveying the sludge after the reaction into a feeding device;
(4) the feeding device conveys the sludge into a squeezer to carry out deep dehydration;
(5) conveying the squeezed mud cake into a crusher through a discharging device to be crushed to a certain granularity;
(6) conveying the crushed mud cakes into a drying bin for drying treatment;
(7) and (4) the filtrate generated in the step (4) enters a water treatment device for treatment.
2. The non-thermal drying method for sludge according to claim 1, characterized in that: and (3) the sludge in the step (2) stays in the reaction tank for 15-25 minutes.
3. The non-thermal drying method for sludge according to claim 1, characterized in that: and (4) squeezing the sludge for 10-15 minutes.
4. The non-thermal drying method for sludge according to claim 1, characterized in that: and (5) the particle size range of the crushed mud cakes is 10-30 mm.
5. The non-thermal drying method for sludge according to claim 1, characterized in that: and (5) the sludge stays in the drying bin for 12-24 hours in the step (6).
6. The utility model provides a mud does not have heat mummification device system which characterized in that: the system comprises a sludge conditioning module, a deep dehydration module, a drying module and a wastewater treatment device, wherein the sludge conditioning module consists of a special sludge stirrer, a chemical conditioner adding device, a physical conditioner adding device, a reaction tank and a conveyor; the deep dehydration module consists of a squeezer, a feeding device and a discharging device; the drying module consists of a drying bin, a fan and a gas-water separator; and the filtrate discharged by the squeezer enters a wastewater treatment device.
7. The sludge non-heat drying device system as set forth in claim 6, wherein: the reaction tanks may be two or more in parallel.
8. The sludge non-heat drying device system as set forth in claim 6, wherein: the presses may be two or more used in parallel.
9. The sludge non-heat drying device system as set forth in claim 6, wherein: the air drying bins can be two or more than two air drying bins which are used in parallel.
10. The sludge non-heat drying device system as set forth in claim 6, wherein: the sludge non-heat drying device system is controlled by a full-automatic intelligent control system.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943476A (en) * | 2020-08-04 | 2020-11-17 | 杭州国泰环保科技股份有限公司 | Filter-press type sludge dewatering rapid drying system and treatment method thereof |
| CN112374710A (en) * | 2020-11-20 | 2021-02-19 | 广州市凯卫莎环保科技有限公司 | Sludge dewatering and drying process technology and dewatering and drying system |
| CN113087340A (en) * | 2021-04-02 | 2021-07-09 | 河北科力汽车装备股份有限公司 | Sludge heatless drying treatment device and method |
| CN113666609A (en) * | 2021-09-01 | 2021-11-19 | 内蒙古嗨泥环保科技有限公司 | Sludge dewatering treatment system and sludge treatment method |
| CN114105609A (en) * | 2021-12-27 | 2022-03-01 | 山西丰瑞再生资源科技有限公司 | Process for making brick by using coal gangue and municipal sludge |
| CN116002945A (en) * | 2023-03-24 | 2023-04-25 | 秦皇岛尼科环境科技有限公司 | Sludge heatless drying method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323103A (en) * | 1995-06-01 | 1996-12-10 | Hitachi Ltd | Dehydrating method and device therefor |
| CN103011548A (en) * | 2012-12-27 | 2013-04-03 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Conditioner for combinedly conditioning sludge and method for dehydrating sludge through utilizing conditioner |
| CN103288327A (en) * | 2013-06-06 | 2013-09-11 | 江苏富大环境科技有限公司 | Sludge treatment method |
| KR101348489B1 (en) * | 2013-07-22 | 2014-01-07 | 윤우진 | Sludge treatment method for hydrolysis acceleration |
| CN104445853A (en) * | 2014-10-25 | 2015-03-25 | 陈列鑫 | Method and equipment for realizing deep dehydration of sludge by using straws and sawdust |
| CN104445854A (en) * | 2014-10-25 | 2015-03-25 | 傅小娟 | Sludge dewatering method and equipment |
| CN204454849U (en) * | 2015-01-31 | 2015-07-08 | 郝冬亮 | A kind of dehydration equipment of the mud for sewage disposal generation |
-
2018
- 2018-11-07 CN CN201811316877.6A patent/CN111153579A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323103A (en) * | 1995-06-01 | 1996-12-10 | Hitachi Ltd | Dehydrating method and device therefor |
| CN103011548A (en) * | 2012-12-27 | 2013-04-03 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | Conditioner for combinedly conditioning sludge and method for dehydrating sludge through utilizing conditioner |
| CN103288327A (en) * | 2013-06-06 | 2013-09-11 | 江苏富大环境科技有限公司 | Sludge treatment method |
| KR101348489B1 (en) * | 2013-07-22 | 2014-01-07 | 윤우진 | Sludge treatment method for hydrolysis acceleration |
| CN104445853A (en) * | 2014-10-25 | 2015-03-25 | 陈列鑫 | Method and equipment for realizing deep dehydration of sludge by using straws and sawdust |
| CN104445854A (en) * | 2014-10-25 | 2015-03-25 | 傅小娟 | Sludge dewatering method and equipment |
| CN204454849U (en) * | 2015-01-31 | 2015-07-08 | 郝冬亮 | A kind of dehydration equipment of the mud for sewage disposal generation |
Non-Patent Citations (2)
| Title |
|---|
| 孙宏: "《表面活性剂在分析化学和环境上的应用》", 31 January 2006, 哈尔滨：哈尔滨地图出版社 * |
| 孙秀云等: "《固体废物处理处置》", 28 February 2015, 北京：北京航空航天大学出版社 * |
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| CN111943476A (en) * | 2020-08-04 | 2020-11-17 | 杭州国泰环保科技股份有限公司 | Filter-press type sludge dewatering rapid drying system and treatment method thereof |
| CN112374710A (en) * | 2020-11-20 | 2021-02-19 | 广州市凯卫莎环保科技有限公司 | Sludge dewatering and drying process technology and dewatering and drying system |
| CN113087340A (en) * | 2021-04-02 | 2021-07-09 | 河北科力汽车装备股份有限公司 | Sludge heatless drying treatment device and method |
| CN113666609A (en) * | 2021-09-01 | 2021-11-19 | 内蒙古嗨泥环保科技有限公司 | Sludge dewatering treatment system and sludge treatment method |
| CN113666609B (en) * | 2021-09-01 | 2022-06-10 | 内蒙古嗨泥环保科技有限公司 | Sludge dewatering treatment system and sludge treatment method |
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