CN203890206U - Sludge microwave cracking resourcing system - Google Patents
Sludge microwave cracking resourcing system Download PDFInfo
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- CN203890206U CN203890206U CN201420199184.4U CN201420199184U CN203890206U CN 203890206 U CN203890206 U CN 203890206U CN 201420199184 U CN201420199184 U CN 201420199184U CN 203890206 U CN203890206 U CN 203890206U
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- Prior art keywords
- sludge
- mud
- microwave cracking
- microwave
- preheater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a sludge microwave cracking resourcing system and belongs to the technical fields of energy saving and environment protection. The system comprises a sludge preheater, a microwave cracking reactor, a cooler, a sludge dehydrator and a carbide collecting tank, wherein the sludge preheater is connected to the microwave cracking reactor, the microwave cracking reactor is connected to the cooler, the cooler is connected to the sludge dehydrator and the sludge dehydrator is connected to the carbide collecting tank. By virtue of the sludge microwave cracking resourcing system disclosed by the utility model, the harmless and resourcing treatment of sludge can be achieved; since the microwave heating is adopted, the heating speed is high, the reaction effect is high, a heat source is not polluted and the sludge treatment of a conventional biochemical system can be achieved. Compared with conventional sludge treatment methods, the fuel value of a carbide produced by the sludge microwave cracking resourcing system is substantially increased and the carbide can be used as energy for being recycled.
Description
Technical field
The utility model belongs to energy environment protection technical field, is specifically related to a kind of mud microwave cracking recycling system.
Background technology
Sewage sludge harmlessness disposing is as a global problem, and how effectively to solve is key subjects of constantly exploring of countries in the world sewage treatment industry.And at present, both at home and abroad the present situation of sludge disposal technology is mainly anaerobic sludge digestion, sludge high temperature aerobic fermentation, sludge dewatering, the mummification of mud lime stabilization, sludge heat drying, sludge incineration etc., its development trend be focus on the technical research of source decrement, break through energy-saving and cost-reducing technology barrier, perfect the technology that prevents of secondary pollution, the moving model of development recycle.
At present, the sludge disposal of China is main or taking agricultural use and sanitary landfill as main, both account for respectively 46.43% and 35.71% of sludge disposal total amount.But, in the existing sewage treatment facility in the whole nation, include mud stabilizing treatment facility be less than its process total amount 1/4.The subject matter that mud brings has: Organic pollutants and heavy metal contamination etc.And Sludge landfill also affects the landfill of domestic waste, it not only takies a large amount of effective soils, also can cause serious pollution to ground surface environment and groundwater resource, and pollutes soil structure and crop growth.Hence one can see that, and the problem that solves bad sludge disposal just can not fundamentally realize the improvement of water surrounding, causes serious problems will to China's urban ecological environment.
In sum, sludge problem how to deal carefully with, dispose a large amount of stackings has become domestic most sewage works urgent problem, is also the common topic of paying close attention in the whole world.
Utility model content
The utility model is for the defect of prior art, proposes a kind of extensive mud microwave cracking recycling system and the method that are adapted to municipal sludge processing of minimizing, innoxious, stabilization, resource utilization.
A kind of mud microwave cracking recycling system, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, and microwave cracking reactor is connected with water cooler, water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
Described water cooler is connected with mud preheater by heat supply pipeline.
Described sludge dewatering equipment is connected with biochemical system.
Described biochemical system is fishpond.
Between described mud preheater and microwave cracking reactor, be provided with high pressure slurry pump.
A method for mud microwave cracking resource utilization, carry out in accordance with the following steps:
(1) mud cake that is first 70-90% by water ratio is sent in mud preheater through mud transfer roller, and being heated to temperature is 200-400 DEG C;
(2) then the mud cake of preheating is pumped in microwave cracking reactor by high-pressure slurry, regulating microwave frequency is 2450 megahertzes, cracking 10-90min;
(3) mixture after microwave cracking is discharged, after supercooler is cooled to normal temperature, adopt high pressure sludge dewatering equipment water extracter, filtrate is recovered utilization as the nutritive medium of biochemical system, and carbide is collected post-drying through carbide receiving tank and used as the energy.
The beneficial effects of the utility model: the utility model can be realized the innoxious and resource utilization of sludge treatment; Because mud reacts under high temperature anaerobic state, mud only carries out the reaction of cell wall breaking, organism scission of link, the generation of the carcinogenic substance such as poisonous, harmful that can avoid producing in conventional processing; The utility model adopts microwave heating, and rate of heating is fast, reaction effect is high, and thermal source is pollution-free; Can realize the sludge treatment of routine biochemistry system; The utility model technique is simple, and industrial and mineral requires low, does not consume other resources, therefore in construction investment and production processing cost, the technique such as solidifies far below existing sludge incineration, carbonization, landfill, has higher cost performance.The more conventional method for sludge treatment of carbide fuel value that the utility model is produced has significantly raising, can be used as heat recovery.
Brief description of the drawings
Fig. 1 is the utility model mud microwave cracking recycling system structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
A kind of mud microwave cracking recycling system, as shown in Figure 1, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, microwave cracking reactor is connected with water cooler, and water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
Described water cooler is connected with mud preheater by heat supply pipeline; Sludge dewatering equipment is connected with biochemical system; Biochemical system is fishpond.
Between described mud preheater and microwave cracking reactor, be provided with high pressure slurry pump.
A method for mud microwave cracking resource utilization, carry out in accordance with the following steps:
(1) mud cake that is first 70% by water ratio is sent in mud preheater through mud transfer roller, and being heated to temperature is 200 DEG C;
(2) then the mud cake of preheating is pumped in microwave cracking reactor by high-pressure slurry, regulating microwave frequency is 2450 megahertzes, cracking 10min;
(3) mixture after microwave cracking is discharged, after supercooler is cooled to normal temperature, adopt high pressure sludge dewatering equipment water extracter, filtrate is recovered utilization as the Additional nutrient solution of fishpond, and carbide is collected post-drying through carbide receiving tank and used as the energy.
In filtrate, contain abundant organism and undecomposed mud beneficial bacteria, can provide nutrition for fabric in fishpond and microbial growth.
Microwave has good penetrance.In the time that microwave penetrates medium, there is certain interaction in micro-wave energy and medium, with microwave frequency 2450 megahertzes, make the vibrations of the molecule generation per second 2,400,000,000 five thousand ten thousand times of medium, the intermolecular mutual generation friction of medium, the rising of the medium temperature causing, makes almost while heat temperature raising of dielectric material inside, outside, organizer thermal source state, has shortened the heat conduction time in conventional heating greatly.Adopt microwave to heat mud, Reaction time shorten, raising reaction efficiency greatly, thus reduce facility investment, floor space.Microwave has very strong sterilizing function, can be rapidly to sludge microbe cell wall breaking, and mud carbonization temperature can be carried out at lower temperature.
Embodiment 2
A kind of mud microwave cracking recycling system, as shown in Figure 1, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, microwave cracking reactor is connected with water cooler, and water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
Described water cooler is connected with mud preheater by heat supply pipeline; Sludge dewatering equipment is connected with biochemical system; Biochemical system is fishpond.
Between described mud preheater and microwave cracking reactor, be provided with high pressure slurry pump.
A method for mud microwave cracking resource utilization, carry out in accordance with the following steps:
(1) mud cake that is first 80% by water ratio is sent in mud preheater through mud transfer roller, and being heated to temperature is 300 DEG C;
(2) then the mud cake of preheating is pumped in microwave cracking reactor by high-pressure slurry, regulating microwave frequency is 2450 megahertzes, cracking 50min;
(3) mixture after microwave cracking is discharged, after supercooler is cooled to normal temperature, adopt high pressure sludge dewatering equipment water extracter, filtrate is recovered utilization as the Additional nutrient solution of fishpond, and carbide is collected post-drying through carbide receiving tank and used as the energy.
In filtrate, contain abundant organism and undecomposed mud beneficial bacteria, can provide nutrition for fabric in fishpond and microbial growth.
Embodiment 3
A kind of mud microwave cracking recycling system, as shown in Figure 1, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, microwave cracking reactor is connected with water cooler, and water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
Described water cooler is connected with mud preheater by heat supply pipeline; Sludge dewatering equipment is connected with biochemical system; Biochemical system is fishpond.
Between described mud preheater and microwave cracking reactor, be provided with high pressure slurry pump.
A method for mud microwave cracking resource utilization, carry out in accordance with the following steps:
(1) mud cake that is first 90% by water ratio is sent in mud preheater through mud transfer roller, and being heated to temperature is 400 DEG C;
(2) then the mud cake of preheating is pumped in microwave cracking reactor by high-pressure slurry, regulating microwave frequency is 2450 megahertzes, cracking 90min;
(3) mixture after microwave cracking is discharged, after supercooler is cooled to normal temperature, adopt high pressure sludge dewatering equipment water extracter, filtrate is recovered utilization as the Additional nutrient solution of fishpond, and carbide is collected post-drying through carbide receiving tank and used as the energy.
In filtrate, contain abundant organism and undecomposed mud beneficial bacteria, can provide nutrition for fabric in fishpond and microbial growth.
Embodiment 4
A kind of mud microwave cracking recycling system, as shown in Figure 1, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, microwave cracking reactor is connected with water cooler, and water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
Described water cooler is connected with mud preheater by heat supply pipeline; Sludge dewatering equipment is connected with biochemical system; Biochemical system is green house of vegetables.
Between described mud preheater and microwave cracking reactor, be provided with high pressure slurry pump.
A method for mud microwave cracking resource utilization, carry out in accordance with the following steps:
(1) Hemp Eupatorium is dried, clay into power, join water ratio and be in 90% mud cake, regulating water ratio is 80%;
(2) mud cake that is 80% by water ratio is sent in mud preheater through mud transfer roller, and being heated to temperature is 400 DEG C;
(3) then the mud cake of preheating is pumped in microwave cracking reactor by high-pressure slurry, regulating microwave frequency is 2450 megahertzes, cracking 90min;
(4) mixture after microwave cracking is discharged, after supercooler is cooled to normal temperature, adopt high pressure sludge dewatering equipment water extracter, filtrate is recovered utilization as nutritive medium used for vegetable greenhouse, and carbide is collected post-drying through carbide receiving tank and used as the energy.
Add the mud of Hemp Eupatorium aftertreatment, in filtrate except containing abundant organism and undecomposed mud beneficial bacteria, also contain electrodeless nutrition small molecules as potassium ion etc., do not contain heavy metal ion, and increased the content of carbide in carbide receiving tank, Hemp Eupatorium is originally as a kind of weeds, in this technology, Hemp Eupatorium adds, filtering most of heavy metal ion, discharge the nutrition small molecules such as potassium ion, turn waste into wealth.
Claims (5)
1. a mud microwave cracking recycling system, it is characterized in that, this system is by mud preheater, microwave cracking reactor, water cooler, sludge dewatering equipment and carbide receiving tank composition, mud preheater is connected with microwave cracking reactor, microwave cracking reactor is connected with water cooler, and water cooler is connected with sludge dewatering equipment, sludge dewatering equipment and carbide receiving tank composition.
2. a kind of mud microwave cracking recycling system according to claim 1, is characterized in that, described water cooler is connected with mud preheater by heat supply pipeline.
3. a kind of mud microwave cracking recycling system according to claim 1, is characterized in that, described sludge dewatering equipment is connected with biochemical system.
4. a kind of mud microwave cracking recycling system according to claim 3, is characterized in that, described biochemical system is fishpond.
5. a kind of mud microwave cracking recycling system according to claim 1, is characterized in that, between described mud preheater and microwave cracking reactor, is provided with high pressure slurry pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199184.4U CN203890206U (en) | 2014-04-23 | 2014-04-23 | Sludge microwave cracking resourcing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199184.4U CN203890206U (en) | 2014-04-23 | 2014-04-23 | Sludge microwave cracking resourcing system |
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| Publication Number | Publication Date |
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| CN203890206U true CN203890206U (en) | 2014-10-22 |
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| CN201420199184.4U Expired - Fee Related CN203890206U (en) | 2014-04-23 | 2014-04-23 | Sludge microwave cracking resourcing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896472A (en) * | 2014-04-23 | 2014-07-02 | 江苏康泰环保设备有限公司 | Sludge microwave pyrolysis recycling system and sludge microwave pyrolysis recycling method |
| CN105668975A (en) * | 2015-10-19 | 2016-06-15 | 蓝德环保科技集团股份有限公司 | Sludge microwave-drying treatment method |
-
2014
- 2014-04-23 CN CN201420199184.4U patent/CN203890206U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896472A (en) * | 2014-04-23 | 2014-07-02 | 江苏康泰环保设备有限公司 | Sludge microwave pyrolysis recycling system and sludge microwave pyrolysis recycling method |
| CN103896472B (en) * | 2014-04-23 | 2016-01-20 | 江苏康泰环保股份有限公司 | A kind of mud microwave cracking method of resource |
| CN105668975A (en) * | 2015-10-19 | 2016-06-15 | 蓝德环保科技集团股份有限公司 | Sludge microwave-drying treatment method |
| CN105668975B (en) * | 2015-10-19 | 2018-03-09 | 蓝德环保科技集团股份有限公司 | Sludge microwave drying treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |