CN201605215U - Sludge hydrolysis extracting microbial-protein system - Google Patents
Sludge hydrolysis extracting microbial-protein system Download PDFInfo
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- CN201605215U CN201605215U CN2009202520823U CN200920252082U CN201605215U CN 201605215 U CN201605215 U CN 201605215U CN 2009202520823 U CN2009202520823 U CN 2009202520823U CN 200920252082 U CN200920252082 U CN 200920252082U CN 201605215 U CN201605215 U CN 201605215U
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Abstract
The utility model discloses a sludge hydrolysis extracting microbial-protein system, relating to the field of sewage and sludge treatment and comprising a sludge storing device, a sludge conveying device, a mixing device, a hydrolysis reaction device, a flash distillation plant, a solid-liquid separation device, a residue collecting and conveying device, a filtrate collection device, a preheating device, an evaporation and concentration device, a drying device, a waste gas collecting device, a waste gas processing device, a waste gas emission device and a process water recycling device. The sludge hydrolysis extracting microbial-protein system is used for sludge hydrolysis extracting microbial-protein, and the steps comprises feeding, distributing, hydrolyzing, flash distillation, filtering, evaporating and drying. The sludge hydrolysis extracting microbial-protein system has the advantages of low energy consumption, high production efficiency, high microbial-protein extraction rate and good microbial-protein product performance, and the foaming performance is better than that of a foaming agent sold in the market. After solid-liquid separation, the water content of sludge residues is smaller 50%. The residue collecting and conveying device is used for conveying the sludge residues into a processing workshop to produce the sludge residues into greening soil or greening fertilizer.
Description
Technical field
The utility model relates to the sewage sludge process field, and particularly a kind of sludge hydrolytic extracts the microprotein system.
Background technology
Along with the increase of wastewater treatment rate and the in-depth of degree of treatment, sewage plant sludge output cumulative year after year, water source, atmosphere, soil and human health are caused very big harm, mainly show the following aspects, (1), to the harm at water source: in the no measure stacking and landfill process of mud, produce the heavy metal in a large amount of acid, alkalescence, toxic substance and the mud, flow into earth surface water source behind the rain and be penetrated into below the face of land, cause body of groundwater black smelly, water quality deterioration.There has been the pollution of ammonia nitrogen, volatile phenol, permanganate in the river in the whole nation 60% at present, the fluorochemical severe overweight, and the inflow of mud waste water and infiltration in addition, water body has been lost self-purification function, influences aquatic organism breeding and water resources utilization.(2), to the pollution of atmospheric environment: owing to burn or stack for a long time, dump mud and discharge toxic gas such as a large amount of stench, dioxin, sulfurous gas, dust and fine particle suspended substance move with the wind, cause that sulfurous gas and suspended particulate exceed standard in the air, acid rain phenomenon and airborne dust weather take place again and again.(3), to the harm in soil: eroded field, mud generation are about 1,800 ten thousand tons/year, organism and heavy metal, objectionable impuritiess such as pathogenic bacteria are retained in the soil, the material heavy corrosion soil that is difficult to degrade, polluted underground water source.(4), to the harm of HUMAN HEALTH: sludge incineration, landfill discharges a large amount of dust Ji toxic gases such as dioxin, sulfurous gas constitute carcinogenic hidden danger to human body in the stacking process.The groundwater pollutant content overproof causes diarrhoea, schistosomicide, trachoma etc., and special Yi dioxin is for the most serious.
Municipal wastewater treatment plant sludge discharged particle is very thin, be rich in organic matter, but a large amount of at present mud without stabilizing treatment do not have normal outlet, not only become the heavy burden of sewage work, and any discharging of mud and to stack the new pollution that surrounding environment is caused startling, the resource utilization of mud is the direction and goal that global various countries are pursued, and will become the unique final outlet of mud.
Extract protein equipment for sludge hydrolytic, Chinese patent application number is 200610019063.7 to disclose and a kind ofly be equipped with the production technique and the equipment of protein hydrolysate with unslaked lime hydrolysis made from residual actived sludge, and residual active sludge, water, unslaked lime were stirred 20-30 minute by 1: 1: 0.06 mixed; Mixed solution is pumped in the hydrolytic reaction pot is hydrolyzed, operating pressure is that 0.4-0.7MPa, hydrolysis temperature are under 135 ℃-150 ℃ the condition, hydrolysis time is 1-3 hour, constantly feed steam when being incubated in the hydrolytic process and stir the hydrolysis mixed solution, hydrolysis finishes, and adopts the interior residual pressure of reactor to carry out direct filtration; Filtering solution is concentrated in the long tube thickening equipment after with the salt acid for adjusting pH value, obtain product.The problem that above-mentioned technology exists is as follows: (1), constantly feed steam and stir, destroyed the homogeneity of material in the hydrolytic process, can not guarantee the balance of water in the hydrolytic process, influence hydrolysis effect; (2), material directly utilizes residual pressure to filter after the hydrolysis, carries out along with filtering, the still internal pressure reduces gradually, so that can not finish solid-liquid separation; (3), the hydrolysis material before entering filter plant, refrigerating unit is not set, material relies on naturally cooling, can not guarantee the termination immediately of hydrolysis reaction, influences quality product; (4), hydrolysis finishes, and filtration then can be too high because of temperature of charge immediately, causes the damage of filter plant, can not finish solid-liquid separation; (5), mention in this patent filtrate filtered concentrated in the long tube thickening equipment, single-action long tube evaporation power consumption is higher, evaporation time is long, can not guarantee the product performance of sludge protein.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of sludge hydrolytic to extract the microprotein system, and is efficient, practicality, the full resource utilization zero discharge treatment of realization mud.
The technical solution adopted in the utility model is as follows:
Sludge hydrolytic extracts the microprotein system, comprise mud storing unit, mud e Foerderanlage, blending device, hydrolysis reaction device, flash distillation plant, equipment for separating liquid from solid, residue collection e Foerderanlage, filtrate collection device, primary heater unit, evaporation concentration device, drying installation, gas sampling device, emission-control equipment, exhaust emission device, process water retrieving arrangement.
The exit end of mud storing unit is connected with the opening for feed of blending device by the mud e Foerderanlage, the discharge port of blending device is connected with the opening for feed of hydrolysis reaction device by pump, the discharge port of hydrolysis reaction device is connected by pipeline with the opening for feed of flash distillation plant, the discharge port of flash distillation plant is connected with the opening for feed of equipment for separating liquid from solid by pump, the residue exit end of equipment for separating liquid from solid is collected e Foerderanlage with residue and is connected, the filtrate outlet end of equipment for separating liquid from solid is connected by the inlet end of pipeline with the filtrate collection device, the exit end of filtrate collection device is connected with the entrance end of primary heater unit by pump, the exit end of primary heater unit is connected with the entrance end of evaporation concentration device, the storage tank exit end of evaporation concentration device is connected with drying installation by pump, the condensation-water drain end of evaporation concentration device is connected with the entrance end of process water retrieving arrangement, the exit end of process water retrieving arrangement is connected with the opening for feed of blending device by pump, blending device, flash distillation plant, equipment for separating liquid from solid, the top of filtrate collection device is provided with the gas sampling device, and the gas sampling device is connected with exhaust emission device through emission-control equipment again.
Described mud e Foerderanlage is at least a in (but being not limited only to) spiral conveyer, the pump.
Described blending device is furnished with agitator for the awl end or oval bottom structure.
Described hydrolysis reaction device is oval bottom structure, is furnished with well heater and agitator.
Described flash distillation plant is the awl end or oval bottom structure.
Described equipment for separating liquid from solid is at least a in (but being not limited only to) whizzer, sheet frame squeezing, the belt filtration.
Described filtrate collection device is the awl end or oval bottom structure.
Described primary heater unit is at least a in (but being not limited only to) tubulation, the flat plate heat exchanger.
Described evaporation concentration device is a triple-effect evaporator, and vaporizer is at least a in (but being not limited only to) natural-circulation evaporator, pump feed evaporator, the film-type evaporator.
Described drying installation is that (but being not limited only to) intermittently stirs in drying, roller drying, spraying drying, fluidised bed drying, vacuum belt drying, convection current tray drying, the air stream drying at least a.
Primary sludge with municipal sewage plant water ratio 70%-90%, be temporarily stored in the mud storing unit, by mud e Foerderanlage and calcium hydroxide, at least a in sodium hydroxide or the potassium hydroxide (but being not limited only to) medicament together enters blending device, the adjusting material water ratio is 92%-96%, the pH value is 10-13, mix, material after mixing is by being pumped into hydrolysis reaction device, heating simultaneously, stir, making temperature of charge is 105 ℃-185 ℃, the residence time is 1-4 hour, after reaction finishes, material enters flash distillation plant flash distillation cooling after the hydrolysis under the reactor pressure effect, leftover materials are by being pumped into equipment for separating liquid from solid after the flash distillation, the sludge residue water content is less than 50% after the solid-liquid separation, adopt residue collection e Foerderanlage to be transported to job shop production and become greening soil or greening fertilizer, and finish the packing of product, the filtrate collection that obtains enters the filtrate collection device, at last filtrate being sent into evaporation concentration device again after being pumped into the primary heater unit preheating concentrates, obtaining mass concentration is the microprotein solution product of 5%-40%, or concentrated solution carried out drying by being pumped into drying installation, get the microprotein power-product, the water of being collected by the process water retrieving arrangement recycles by being pumped into blending device.
The beneficial effect that the utility model had:
1, adopts the utility model, be used for sludge hydrolytic and extract microprotein, material loading, batching, hydrolysis, flash distillation, filtration, evaporation, drying, energy consumption is low, production efficiency height, microprotein extraction yield height, the microprotein product performance are good, its foam performance is better than commercially available whipping agent, and the sludge residue water content is less than 50% after the solid-liquid separation, and adopting residue collection e Foerderanlage to be transported to job shop production becomes greening soil or greening fertilizer.
2, the utility model adopting process water reclamation system realizes the recycle of process water, and the gas that discharges in the production process discharges through after the collection and treatment, well below relevant national standard.
3, adopt the utility model, realize the full resource utilization zero discharge treatment of mud, be fit to the recycling treatment of each municipal sludge treatment plant mud of the whole nation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1 is the mud storing unit; 2 is the mud e Foerderanlage; 3 is blending device; 4 is pump; 5 is hydrolysis reaction device; 6 is flash distillation plant; 7 is pump; 8 is equipment for separating liquid from solid; 9 are residue collection e Foerderanlage; 10 is the filtrate collection device; 11 is pump; 12 is primary heater unit; 13 is evaporation concentration device; 14 is the gas sampling device; 15 is emission-control equipment; 16 is exhaust emission device; 17 is pump; 18 is drying installation; 19 is the process water retrieving arrangement; 20 is pump.
Embodiment
Below in conjunction with specific embodiment the utility model is further described.
Embodiment 1:
Sludge hydrolytic extracts the system of microprotein, comprise mud storing unit 1, mud e Foerderanlage 2, blending device 3, hydrolysis reaction device 5, flash distillation plant 6, equipment for separating liquid from solid 8, residue collection e Foerderanlage 9, filtrate collection device 10, primary heater unit 12, evaporation concentration device 13, drying installation 18, gas sampling device 14, emission-control equipment 15, exhaust emission device 16, process water retrieving arrangement 19.
The exit end of mud storing unit 1 is connected with the opening for feed of blending device 3 by mud e Foerderanlage 2, the discharge port of blending device 3 is connected by pipeline by the opening for feed of pump 4 with hydrolysis reaction device 5, the discharge port of hydrolysis reaction device 5 is connected by pipeline with the opening for feed of flash distillation plant 6, the discharge port of flash distillation plant 6 is connected with the opening for feed of equipment for separating liquid from solid 8 by pump 7, the residue exit end of equipment for separating liquid from solid 8 is collected e Foerderanlage 9 with residue and is connected, the filtrate outlet end of equipment for separating liquid from solid 8 is connected by the inlet end of pipeline with filtrate collection device 10, the exit end of filtrate collection device 10 is connected with the entrance end of primary heater unit 12 by pump 11, the exit end of primary heater unit 12 is connected with the entrance end of evaporation concentration device 13, the storage tank exit end of evaporation concentration device 13 is connected with drying installation 18 by pump 17, the condensation-water drain end of evaporation concentration device 13 is connected with the entrance end of process water retrieving arrangement 19, the exit end of process water retrieving arrangement 19 is connected with the opening for feed of blending device 3 by pump 20, blending device 3, flash distillation plant 6, equipment for separating liquid from solid 8, the top of filtrate collection device 10 is provided with gas sampling device 14, and gas sampling device 14 is connected with exhaust emission device 16 through emission-control equipment 15 again.
Described mud e Foerderanlage 2 is a spiral conveyer, described equipment for separating liquid from solid 8 is sheet frame squeezing separating devices, described primary heater unit 12 is tubular heat exchanges, and described evaporation concentration device 13 is the triple effect pump feed evaporator, and described drying installation 18 is a pneumatic conveying dryer.
Primary sludge with municipal sewage plant's water ratio 80%, be temporarily stored in the mud storing unit 1, together enter blending device 3 by spiral conveyer and calcium hydroxide, regulating material water ratio is 92%, the pH value is 13, adopt alr mode with the material uniform mixing, send into hydrolysis reaction device 5 by pump 4, heating simultaneously, stir, making temperature of charge is 105 ℃, the residence time is 4 hours, after hydrolysis reaction finishes, material enters flash distillation plant 6 under the reactor pressure effect, realize the initial evaporation and the cooling of material, leftover materials are sent into sheet frame squeezing separating device by pump 7 after the flash distillation, the sludge residue water content is less than 50% after the solid-liquid separation, adopt residue collection e Foerderanlage 9 to be transported to job shop production and become greening soil or greening fertilizer, and finish the packing of product, the filtrate collection that obtains enters filtrate collection device 10, send into the triple effect pump feed evaporator again after at last filtrate being sent into the tubular heat exchange preheating by pump 11, realize the evaporation concentration of filtrate, obtain mass concentration and be 40% microprotein solution, send into pneumatic conveying dryer through pump 17 and carry out drying, get the microprotein power-product, send into blending device 3 by the water that process water retrieving arrangement 19 is collected by pump 20, recycle.
Embodiment 2:
Sludge hydrolytic extracts the system of microprotein, comprise mud storing unit 1, mud e Foerderanlage 2, blending device 3, hydrolysis reaction device 5, flash distillation plant 6, equipment for separating liquid from solid 8, residue collection e Foerderanlage 9, filtrate collection device 10, primary heater unit 12, evaporation concentration device 13, drying installation 18, gas sampling device 14, emission-control equipment 15, exhaust emission device 16, process water retrieving arrangement 19.
The exit end of mud storing unit 1 is connected with the opening for feed of blending device 3 by mud e Foerderanlage 2, the discharge port of blending device 3 is connected by pipeline by the opening for feed of pump 4 with hydrolysis reaction device 5, the discharge port of hydrolysis reaction device 5 is connected by pipeline with the opening for feed of flash distillation plant 6, the discharge port of flash distillation plant 6 is connected with the opening for feed of equipment for separating liquid from solid 8 by pump 7, the residue exit end of equipment for separating liquid from solid 8 is collected e Foerderanlage 9 with residue and is connected, the filtrate outlet end of equipment for separating liquid from solid 8 is connected by the inlet end of pipeline with filtrate collection device 10, the exit end of filtrate collection device 10 is connected with the entrance end of primary heater unit 12 by pump 11, the exit end of primary heater unit 12 is connected with the entrance end of evaporation concentration device 13, the storage tank exit end of evaporation concentration device 13 is connected with drying installation 18 by pump 17, the condensation-water drain end of evaporation concentration device 13 is connected with the entrance end of process water retrieving arrangement 19, the exit end of process water retrieving arrangement 19 is connected with the opening for feed of blending device 3 by pump 20, blending device 3, flash distillation plant 6, equipment for separating liquid from solid 8, the top of filtrate collection device 10 is provided with gas sampling device 14, and gas sampling device 14 is connected with exhaust emission device 16 through emission-control equipment 15 again.
Described mud e Foerderanlage 2 is a pump, and described equipment for separating liquid from solid 8 is centrifugal separation equipments, and described primary heater unit 12 is tubular heat exchanges, and described evaporation concentration device 13 is the triple effect film-type evaporator, and described drying installation 18 is a spray drying device.
Primary sludge with municipal sewage plant's water ratio 80%, be temporarily stored in the mud storing unit 1, together enter blending device 3 by pump and sodium hydroxide, regulating material water ratio is 94%, the pH value is 12, adopt alr mode with the material uniform mixing, send into hydrolysis reaction device 5 by pump 4, heating simultaneously, stir, making temperature of charge is 105 ℃, the residence time is 4 hours, after hydrolysis reaction finishes, material enters flash distillation plant 6 under the reactor pressure effect, realize the initial evaporation and the cooling of material, leftover materials are sent into centrifugal separation equipment by pump 7 after the flash distillation, the sludge residue water content is less than 50% after the solid-liquid separation, adopt residue collection e Foerderanlage 9 to be transported to job shop production and become greening soil or greening fertilizer, and finish the packing of product, the filtrate collection that obtains enters filtrate collection device 10, send into the triple effect film-type evaporator again after at last filtrate being sent into the tubular heat exchange preheating by pump 11, realize the evaporation concentration of filtrate, obtain mass concentration and be 30% microprotein solution, send into spray drying device through pump 17 and carry out drying, get the microprotein power-product, send into blending device 3 by the water that process water retrieving arrangement 19 is collected by pump 20, recycle.
Embodiment 3:
Sludge hydrolytic extracts the system of microprotein, comprise mud storing unit 1, mud e Foerderanlage 2, blending device 3, hydrolysis reaction device 5, flash distillation plant 6, equipment for separating liquid from solid 8, residue collection e Foerderanlage 9, filtrate collection device 10, primary heater unit 12, evaporation concentration device 13, drying installation 18, gas sampling device 14, emission-control equipment 15, exhaust emission device 16, process water retrieving arrangement 19.
The exit end of mud storing unit 1 is connected with the opening for feed of blending device 3 by mud e Foerderanlage 2, the discharge port of blending device 3 is connected by pipeline by the opening for feed of pump 4 with hydrolysis reaction device 5, the discharge port of hydrolysis reaction device 5 is connected by pipeline with the opening for feed of flash distillation plant 6, the discharge port of flash distillation plant 6 is connected with the opening for feed of equipment for separating liquid from solid 8 by pump 7, the residue exit end of equipment for separating liquid from solid 8 is collected e Foerderanlage 9 with residue and is connected, the filtrate outlet end of equipment for separating liquid from solid 8 is connected by the inlet end of pipeline with filtrate collection device 10, the exit end of filtrate collection device 10 is connected with the entrance end of primary heater unit 12 by pump 11, the exit end of primary heater unit 12 is connected with the entrance end of evaporation concentration device 13, the storage tank exit end of evaporation concentration device 13 is connected with drying installation 18 by pump 17, the condensation-water drain end of evaporation concentration device 13 is connected with the entrance end of process water retrieving arrangement 19, the exit end of process water retrieving arrangement 19 is connected with the opening for feed of blending device 3 by pump 20, blending device 3, flash distillation plant 6, equipment for separating liquid from solid 8, the top of filtrate collection device 10 is provided with gas sampling device 14, and gas sampling device 14 is connected with exhaust emission device 16 through emission-control equipment 15 again.
Described mud e Foerderanlage 2 is a spiral conveyer, described equipment for separating liquid from solid 8 is sheet frame squeezing separating devices, described primary heater unit 12 is flat plate heat exchangers, the triple-effect evaporator that described evaporation concentration device 13 combines with pump feed evaporator for membrane type.
Primary sludge with municipal sewage plant's water ratio 90%, be temporarily stored in the mud storing unit 1, together enter blending device 3 by spiral conveyer and calcium hydroxide, regulating material water ratio is 96%, the pH value is 13, adopt alr mode with the material uniform mixing, send into hydrolysis reaction device 5 by pump 4, heating simultaneously, stir, making temperature of charge is 110 ℃, the residence time is 1 hour, after hydrolysis reaction finishes, material enters flash distillation plant 6 under the reactor pressure effect, realize the initial evaporation and the cooling of material, leftover materials are sent into sheet frame squeezing separating device by pump 7 after the flash distillation, the sludge residue water content is less than 50% after the solid-liquid separation, adopt residue collection e Foerderanlage 9 to be transported to job shop production and become greening soil or greening fertilizer, and finish the packing of product, the filtrate collection that obtains enters filtrate collection device 10, send into the triple effect evaporation equipment that membrane type combines with pump feed evaporator again after at last filtrate being sent into the flat plate heat exchanger preheating by pump 11, realize the evaporation concentration of filtrate, obtain mass concentration and be 20% microprotein solution product, send into blending device 3 by the water that process water retrieving arrangement 19 is collected by pump 20, recycle.
The above only is preferred embodiment of the present utility model, is not the technical solution of the utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. sludge hydrolytic extracts the microprotein system, it is characterized in that: comprise mud storing unit (1), mud e Foerderanlage (2), blending device (3), hydrolysis reaction device (5), flash distillation plant (6), equipment for separating liquid from solid (8), residue collection e Foerderanlage (9), filtrate collection device (10), primary heater unit (12), evaporation concentration device (13), drying installation (18), gas sampling device (14), emission-control equipment (15), exhaust emission device (16), process water retrieving arrangement (19);
The exit end of mud storing unit (1) is connected with the opening for feed of blending device (3) by mud e Foerderanlage (2), the discharge port of blending device (3) is connected with the opening for feed of hydrolysis reaction device (5) by pump (4), the discharge port of hydrolysis reaction device (5) is connected by pipeline with the opening for feed of flash distillation plant (6), the discharge port of flash distillation plant (6) is connected with the opening for feed of equipment for separating liquid from solid (8) by pump (7), the residue exit end of equipment for separating liquid from solid (8) is collected e Foerderanlage (9) with residue and is connected, the filtrate outlet end of equipment for separating liquid from solid (8) is connected by the inlet end of pipeline with filtrate collection device (10), the exit end of filtrate collection device (10) is connected with the entrance end of primary heater unit (12) by pump (11), the exit end of primary heater unit (12) is connected with the entrance end of evaporation concentration device (13), the storage tank exit end of evaporation concentration device (13) is connected with drying installation (18) by pump (17), the condensation-water drain end of evaporation concentration device (13) is connected with the entrance end of process water retrieving arrangement (19), the exit end of process water retrieving arrangement (19) is connected with the opening for feed of blending device (3) by pump (20), blending device (3), flash distillation plant (6), equipment for separating liquid from solid (8), the top of filtrate collection device (10) is provided with gas sampling device (14), and gas sampling device (14) is connected with exhaust emission device (16) through emission-control equipment (15) again.
2. sludge hydrolytic according to claim 1 extracts the microprotein system, and it is characterized in that: described mud e Foerderanlage (2) is but is not limited only in spiral conveyer, the pump at least a.
3. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described blending device (3) is furnished with agitator for the awl end or oval bottom structure.
4. sludge hydrolytic according to claim 1 extracts the microprotein system, and it is characterized in that: described hydrolysis reaction device (5) is oval bottom structure, is furnished with well heater and agitator.
5. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described flash distillation plant (6) is the awl end or oval bottom structure.
6. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described equipment for separating liquid from solid (8) is but is not limited only in whizzer, sheet frame squeezing, the belt filtration at least a.
7. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described filtrate collection device (10) is the awl end or oval bottom structure.
8. sludge hydrolytic according to claim 1 extracts the microprotein system, and it is characterized in that: described primary heater unit (12) is but is not limited only in tubulation, the flat plate heat exchanger at least a.
9. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described evaporation concentration device (13) is a triple-effect evaporator, and vaporizer is but is not limited only in natural-circulation evaporator, pump feed evaporator, the film-type evaporator at least a.
10. sludge hydrolytic according to claim 1 extracts the microprotein system, it is characterized in that: described drying installation (18) is but is not limited only to intermittently stir in drying, roller drying, spraying drying, fluidised bed drying, vacuum belt drying, convection current tray drying, the air stream drying at least a.
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| CN102452784A (en) * | 2010-11-03 | 2012-05-16 | 四川四通欧美环境工程有限公司 | Drying device for resource utilization of urban sludge |
| CN102531314A (en) * | 2011-12-28 | 2012-07-04 | 北京科力丹迪技术开发有限责任公司 | Sludge water heat drying treatment device and flashing reactor thereof |
| CN102583923A (en) * | 2012-03-23 | 2012-07-18 | 胡金榜 | Energy-saving emission-reducing treatment and recycling integrated process for municipal and/or industrial sludge and equipment for process |
| CN101921306B (en) * | 2009-12-29 | 2013-02-13 | 天津市裕川置业集团有限公司 | System and method for extracting microprotein from sludge through hydrolysis |
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| CN102531314A (en) * | 2011-12-28 | 2012-07-04 | 北京科力丹迪技术开发有限责任公司 | Sludge water heat drying treatment device and flashing reactor thereof |
| CN102583923A (en) * | 2012-03-23 | 2012-07-18 | 胡金榜 | Energy-saving emission-reducing treatment and recycling integrated process for municipal and/or industrial sludge and equipment for process |
| CN102583923B (en) * | 2012-03-23 | 2016-05-18 | 胡金榜 | Municipal administration and/or industrial sludge energy-saving and emission-reduction disposal and resource integrated technique and equipment thereof |
| CN103564178A (en) * | 2013-10-11 | 2014-02-12 | 天津市裕川环境科技有限公司 | Preparation equipment, preparation method and application of thallus compound amino acid feed additive |
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