CN211620340U - Municipal sludge dewatering mummification incineration disposal integration system - Google Patents
Municipal sludge dewatering mummification incineration disposal integration system Download PDFInfo
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- CN211620340U CN211620340U CN201922178646.XU CN201922178646U CN211620340U CN 211620340 U CN211620340 U CN 211620340U CN 201922178646 U CN201922178646 U CN 201922178646U CN 211620340 U CN211620340 U CN 211620340U
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Abstract
The utility model relates to a municipal sludge dewatering, drying, incinerating and treating integrated system, which comprises a sludge concentration tank (1), wherein the output end of the sludge concentration tank (1) is connected to a centrifugal dewatering and drying integrated machine (2), the liquid phase outlet end of the centrifugal dewatering and drying integrated machine (2) is connected to a filtrate tank (4), and the solid phase outlet end is connected to a cyclone separator (5); the gas phase outlet end of cyclone (5) is connected to circulating fan (6), dry powder helical channel (7) are connected to the solid phase outlet end of cyclone (5), the output of circulating fan (6) is connected to venturi condensation scrubber (9) and dry media blender (10), the output of filtrate pond (4) is connected to the shower water input of venturi condensation scrubber (9), dry media blender (10) are connected to centrifugal dehydration drying all-in-one machine (2). The sludge is dried and incinerated, so that secondary pollution of the sludge to the environment is avoided, and harmless and resource utilization of the sludge is realized.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, specifically say so and relate to a municipal sludge dewatering mummification incineration disposal integration system, with municipal sludge decrement innocent treatment, protected the environment.
Background
With the rapid development of national economy, the industrialization process of China is also accelerated, but as the industrial structure of China belongs to a rough production mode, the economic development is caused while expensive environmental cost is paid. Especially, the degree of urbanization is continuously improved, the treatment capacity, the treatment rate and the treatment degree of sewage in cities are continuously improved, and the yield of sludge generated by urban sewage treatment is greatly increased, wherein the yield of municipal sludge is increased particularly rapidly. Municipal sludge is an extremely complex heterogeneous body consisting of organic fragments, bacterial bodies, inorganic particles, colloids and the like, and contains a large amount of water, refractory organic matters, heavy metals, salts, pathogen microorganisms, parasitic ova and the like, and the random discharge and stacking of a large amount of untreated sludge can cause more serious secondary pollution to the environment.
At present, municipal sludge is treated by landfill, so that a large amount of precious land resources are occupied, and the sludge contains a large amount of harmful substances, which easily causes secondary pollution to land and underground water resources; on the other hand, the municipal sludge also has certain organic matters and heat value, belongs to a resource capable of being recycled, and is wasted due to the fact that the resource is directly buried.
SUMMERY OF THE UTILITY MODEL
The utility model aims at current municipal sludge adopt direct landfill to cause secondary pollution's defect to the environment easily, provide a municipal sludge dewatering mummification incineration disposal integration system, carry out centrifugal dehydration mummification incineration disposal with municipal sludge, make municipal sludge harmless, avoid municipal sludge to cause the pollution to the environment.
Technical scheme
In order to realize the technical purpose, the utility model provides a pair of municipal sludge dewatering mummification incineration disposal integration system, its characterized in that: the sludge dewatering and drying integrated machine comprises a sludge concentration tank, wherein the output end of the sludge concentration tank is connected to a centrifugal dewatering and drying integrated machine, a sludge feeding pump is arranged on a connecting pipeline of the sludge concentration tank and the centrifugal dewatering and drying integrated machine, the liquid-phase outlet end of the centrifugal dewatering and drying integrated machine is connected to a filtrate tank, and the solid-phase outlet end of the centrifugal dewatering and drying integrated machine is connected to a cyclone separator; the gas phase outlet end of cyclone is connected to circulating fan, dry powder helical channel is connected to cyclone's solid phase outlet end to utilize dry powder helical channel to transport the solid phase thing to the rotary kiln, circulating fan's output is connected to venturi condensation scrubber and dry media mixer, the output in filtrate pond is connected to venturi condensation scrubber's spray water input, venturi condensation scrubber's gas output end is connected to the exhaust-gas fan, the output of exhaust-gas fan is connected to the chimney, venturi condensation scrubber's liquid output returns water processing system, dry media mixer is connected to the dry all-in-one of centrifugal dehydration.
Furthermore, a deodorization device is arranged on a connecting pipeline of the waste gas fan and the chimney.
Furthermore, the input end of the rotary kiln is provided with a hot blast stove, the output end of the rotary kiln is provided with a second combustion chamber, and the second combustion chamber is connected to the drying medium mixer.
Further, the solid output end of the second combustion chamber is connected to the slag tank by an ash conveying screw.
Advantageous effects
The utility model provides a pair of municipal administration sludge dewatering mummification incineration disposal integration system utilizes the anaerobic digestion technology of mud to reduce surplus sludge, and the volume can reduce 75 ~ 80%, has realized the biggest reduction of mud, reduces the sludge drying cost, and with sludge drying incineration disposal simultaneously, avoid mud to the secondary pollution of environment, realize the innoxious and the utilization of resourceful utilization of mud.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Examples
As shown in the attached drawing 1, the municipal sludge dewatering, drying and incinerating integrated system comprises a sludge concentration tank 1, wherein the output end of the sludge concentration tank 1 is connected to a centrifugal dewatering and drying integrated machine 2, a sludge feeding pump 3 is arranged on a connecting pipeline of the sludge concentration tank 1 and the centrifugal dewatering and drying integrated machine 2, the liquid phase outlet end of the centrifugal dewatering and drying integrated machine 2 is connected to a filtrate tank 4, and the solid phase outlet end of the centrifugal dewatering and drying integrated machine 2 is connected to a cyclone separator 5; the gas phase outlet end of the cyclone separator 5 is connected to a circulating fan 6, the solid phase outlet end of the cyclone separator 5 is connected with a dry powder spiral channel 7, solid phase objects are conveyed to a rotary kiln 8 by utilizing the dry powder spiral channel 7, the output end of the circulating fan 6 is connected to a Venturi condensation scrubber 9 and a dry medium mixer 10, the output end of the filtrate tank 4 is connected to the spray water input end of the Venturi condensation scrubber 9, the gas output end of the Venturi condensation scrubber 9 is connected to a waste gas fan 11, the output end of the waste gas fan 11 is connected to a chimney 12, and a deodorizing device 13 is arranged on a connecting pipeline of the waste gas fan 11 and the chimney 12. The liquid output end of the Venturi condensation scrubber 9 returns to the water treatment system, and the drying medium mixer 10 is connected to the centrifugal dehydration and drying all-in-one machine 2. The input end of the rotary kiln 8 is provided with a hot blast stove 14, the output end of the rotary kiln 8 is provided with a second combustion chamber 15, the second combustion chamber 15 is connected to the drying medium mixer 10, and the solid output end of the second combustion chamber 15 is connected to a slag discharging tank 17 through an ash conveying screw 16.
The utility model utilizes the anaerobic digestion process of the sludge to carry out the first-step reduction of the excess sludge, and fully utilizes organic matters in the municipal sludge to generate usable methane, thereby improving the dehydration property of the subsequent sludge; the generated methane is used as a heat source for sludge heat drying incineration, so that the defect of high sludge drying cost can be greatly overcome; and secondly, a sludge dewatering and drying integrated machine is adopted as equipment for further and greatly reducing the sludge, and the mechanical dewatering and heat drying technologies of the sludge are organically combined together. The mechanical dehydration of the sludge is to separate the absorbed water and capillary water in the sludge by adopting high-efficiency centrifugal dehydration, and simultaneously disperse the dehydrated sludge cake into sludge particles with larger specific surface area by combining a special structure with strong centrifugal force action. The heat drying of the sludge is to dry the sludge by utilizing heat energy, reduce the water content of the sludge, kill pathogens and parasites by utilizing the high-temperature sterilization effect, accelerate the drying of the sludge, avoid the secondary pollution of the sludge to the environment and realize the harmless and resource utilization of the sludge. Because of adopting the contact type heat drying method with higher heat transfer efficiency and granulating the sludge, the drying efficiency of the technology is higher, and compared with other heat drying modes, the technology saves more energy. Meanwhile, the volume reduction of the dried sludge is particularly obvious, the volume can be reduced by 75-80%, and the maximum reduction of the sludge is realized; the filtrate after centrifugal sedimentation is used as water for cooling and dust removal, so that the temperature of the product and the waste gas is reduced to be below a specified range, and the consumption of tap water is saved; finally, the heat carried by the cooled waste water can also provide temperature guarantee required by the process for the digestion process, and the waste heat is fully utilized.
Claims (4)
1. The utility model provides a municipal administration sludge dewatering mummification incineration disposal integration system which characterized in that: the sludge dewatering and drying integrated machine comprises a sludge concentration tank (1), wherein the output end of the sludge concentration tank (1) is connected to a centrifugal dewatering and drying integrated machine (2), a sludge feeding pump (3) is arranged on a connecting pipeline of the sludge concentration tank (1) and the centrifugal dewatering and drying integrated machine (2), the liquid-phase outlet end of the centrifugal dewatering and drying integrated machine (2) is connected to a filtrate tank (4), and the solid-phase outlet end of the centrifugal dewatering and drying integrated machine is connected to a cyclone separator (5); the gas phase outlet end of the cyclone separator (5) is connected to a circulating fan (6), the solid phase outlet end of the cyclone separator (5) is connected with a dry powder spiral channel (7), and the solid phase is transported to a rotary kiln (8) by a dry powder spiral channel (7), the output end of the circulating fan (6) is connected to a Venturi condensation scrubber (9) and a dry medium mixer (10), the output end of the filtrate tank (4) is connected to the spray water input end of the Venturi condensation scrubber (9), the gas output end of the Venturi condensation scrubber (9) is connected to a waste gas fan (11), the output end of the waste gas fan (11) is connected to a chimney (12), the liquid output end of the Venturi condensation scrubber (9) returns to the water treatment system, the drying medium mixer (10) is connected to the centrifugal dehydration and drying all-in-one machine (2).
2. The integrated municipal sludge dewatering, drying and incinerating system according to claim 1, wherein the integrated municipal sludge dewatering, drying and incinerating system comprises: and a deodorization device (13) is arranged on a connecting pipeline of the waste gas fan (11) and the chimney (12).
3. The integrated municipal sludge dewatering, drying and incinerating system according to claim 1, wherein the integrated municipal sludge dewatering, drying and incinerating system comprises: the input end of the rotary kiln (8) is provided with a hot blast stove (14), the output end of the rotary kiln is provided with a second combustion chamber (15), and the second combustion chamber (15) is connected to the drying medium mixer (10).
4. The integrated municipal sludge dewatering, drying and incinerating system according to claim 3, wherein the integrated municipal sludge dewatering, drying and incinerating system comprises: the solid output end of the second combustion chamber (15) is connected to a slag discharging tank (17) through an ash conveying screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178646.XU CN211620340U (en) | 2019-12-02 | 2019-12-02 | Municipal sludge dewatering mummification incineration disposal integration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178646.XU CN211620340U (en) | 2019-12-02 | 2019-12-02 | Municipal sludge dewatering mummification incineration disposal integration system |
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| CN211620340U true CN211620340U (en) | 2020-10-02 |
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| CN201922178646.XU Active CN211620340U (en) | 2019-12-02 | 2019-12-02 | Municipal sludge dewatering mummification incineration disposal integration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845115A (en) * | 2019-12-02 | 2020-02-28 | 上海市离心机械研究所有限公司 | Municipal sludge dewatering mummification incineration disposal integration system |
| CN114166010A (en) * | 2021-11-17 | 2022-03-11 | 上海市离心机械研究所有限公司 | Gas detection control device and control method for centrifugal dehydration drying system |
-
2019
- 2019-12-02 CN CN201922178646.XU patent/CN211620340U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845115A (en) * | 2019-12-02 | 2020-02-28 | 上海市离心机械研究所有限公司 | Municipal sludge dewatering mummification incineration disposal integration system |
| CN114166010A (en) * | 2021-11-17 | 2022-03-11 | 上海市离心机械研究所有限公司 | Gas detection control device and control method for centrifugal dehydration drying system |
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