CN104829084A - Negative pressure efficient thermo-desorption device - Google Patents
Negative pressure efficient thermo-desorption device Download PDFInfo
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- CN104829084A CN104829084A CN201510239210.0A CN201510239210A CN104829084A CN 104829084 A CN104829084 A CN 104829084A CN 201510239210 A CN201510239210 A CN 201510239210A CN 104829084 A CN104829084 A CN 104829084A
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Abstract
The invention discloses a negative pressure efficient thermo-desorption device. The device is composed of a shell, wherein the shell is provided with a feed opening and a fume outlet which are formed in the top end, and a sludge outlet formed in the bottom end; at least one drying transmission mesh belt apparatus, at least one drainage partition plate, a drainage collecting apparatus, at least one high pressure flushing apparatus and at least one high temperature fume nozzle are arranged in the shell; the drying transmission mesh belt apparatus is fixedly connected with an internal bracket of the shell through a mesh belt installing frame; the drainage partition plate is fixedly connected with the mesh belt installing frame through the bracket; the high pressure flushing apparatuses are arranged at two ends of the drainage partition plate; the high temperature fume nozzles are fixedly connected with the mesh belt installing frame through a high temperature fume pipeline bracket; the drying transmission mesh belt apparatuses and a high pressure water pump are connected with an automatic control device. Afterheat of primary fume is sufficiently utilized by the device disclosed by the invention, the device is environmentally friendly, efficient and free of secondary pollution while sludge is treated, and has the energy-saving effect.
Description
Technical field
The invention belongs to municipal sludge drying and incineration technical field, especially for a kind of sub-pressure high-efficient pyrolysis device.
Background technology
Along with the quickening of the industrialized development of China and urbanization process, the raising for the treatment of rate of domestic sewage, create a large amount of mud and rubbish, mud is the pollutent that a kind of character is complicated, pollutant load is high, Potential environmental risk is huge, it is the liquid-solid material of high-moisture percentage, containing a large amount of pathogenic bacterias, parasitic ovum, the heavy metal such as Yi Jige, mercury hazardous and noxious substances.Mud and rubbish have had a strong impact on the productive life of people, cause severe contamination to environment, and municipal sludge and refuse treatment problem have become the large the difficult problem of environmental protection that society needs solution badly.
Relative to landfill disposal and the compost treatment of mud, burning method have subtract appearance, weight-loss ratio is high, processing speed is fast, and innoxious comparatively thorough, the advantages such as reusing of energy source are one of effective practical techniques of disposing sludge.Although burning and processing sludge has lot of advantages, but because the water ratio of the mud of natural flocculation precipitation is generally more than 90%, after adopting mechanical dehydration device processed, general still higher than 75%, so high water ratio can not maintain the self-holding of combustion processes on the one hand to carry out, and mummification must remove portion of water; Make sludge volume huge on the other hand, add in burning disposal process the difficulty of transporting, storing, the high-temperature flue gas therefore utilizing coal-fired power station boiler to discharge utilizes and inconvenience.Build sludge drying furnace simultaneously and often need very large one-time investment.
Current sludge anhydration burning, often directly uses coal burning boiler of power station anhydration and incineration, and process energy consumption is comparatively large, and high-temperature flue gas utilizes inadequate.Mud only carries out simple process, just directly burns, object, function singleness, and its reaction difficulty comprises following aspect:
1) in the mummification combustion processes of traditional method, poisonous, obnoxious flavour contaminate environment in a large number can be discharged, affect human settlements life;
2) traditional method function singleness, transport cost of disposal is high;
3) traditional method does not configure pre-treatment, causes efficiency of combustion low;
4) in conventional process, the waste of high-temperature flue gas waste heat is serious, causes the wasting of resources.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide and a kind ofly promote sludge treatment efficiency, save energy consumption and avoid the sub-pressure high-efficient pyrolysis device of secondary pollution.
For achieving the above object, a kind of sub-pressure high-efficient pyrolysis device of the present invention, be made up of housing, this housing is provided with: the opening for feed and the exhanst gas outlet that are placed in housing tip, be placed in the sludge outlet of housing bottom; The inside of this housing is provided with: at least one mummification transporting reticulation belt equipment, at least one water filtration separator, drainage collecting device, at least one high-pressure washing equipment and at least one high-temperature flue gas spout; Mummification transporting reticulation belt equipment is connected and fixed by guipure installation frame and enclosure interior support; Water filtration separator is fixedly connected with above-mentioned guipure installation frame by support, and the lower-most point place of center edge is welded with water pipe head; Drainage collecting device connects the water pipe head on above-mentioned water filtration separator, and above-mentioned high-pressure washing equipment is positioned at the two ends of water filtration separator, and is connected by the high-pressure hydraulic pump that flushing pipe and hull outside are provided with; High-temperature flue gas spout is fixedly connected with guipure installation frame by high-temperature flue gas pipe support; Above-mentioned mummification transporting reticulation belt equipment, high-pressure hydraulic pump connect automatic control device respectively, and control by its respective running status.
Preferably, above-mentioned housing is circular heat insulating body skin.
Preferably, above-mentioned mummification transporting reticulation belt equipment is track type mesh belt transmission equipment.
Preferably, above-mentioned water filtration separator is rectangle, becomes concavity.
Preferably, above-mentioned drainage collecting device is pipeline, by a pumping equipment, filtered water is drawn process.
Preferably, above-mentioned high-temperature flue gas spout is multiple fixed arrangement formula high-temperature flue gas spouts.
Preferably, above-mentioned high-pressure washing equipment is multiple stationary nozzle.
Beneficial effect of the present invention:
The present invention make use of the waste heat of high-temperature flue gas fully, coordinates mummification transporting reticulation belt equipment to carry out drying and other treatment to wet mud to greatest extent, while lignin-sludge, and environmental protection, high-level efficiency, save energy, non-secondary pollution.Mud after process of the present invention will reduce moisture greatly, and the proterties of mud also will change, and can become solid-state shape mud fragment by muddy water shape liquid sludge; The anti-high-pressure washing equipment of high pressure then can be opened as required or within the fixed cycle, cleaning internal unit.
Accompanying drawing explanation
Fig. 1 illustrates the first viewing angle constructions schematic diagram of sub-pressure high-efficient pyrolysis device of the present invention.
Fig. 2 illustrates the second viewing angle constructions schematic diagram of sub-pressure high-efficient pyrolysis device of the present invention.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
With reference to shown in Fig. 1, Fig. 2, a kind of sub-pressure high-efficient pyrolysis device of the present invention, is made up of housing 1, and housing 1 is circular heat insulating body skin, this housing 1 is provided with: the opening for feed 11 and the exhanst gas outlet 12 that are placed in housing 1 top, be placed in the sludge outlet 18 of housing 1 bottom; The inside of this housing 1 is provided with: at least one mummification transporting reticulation belt equipment 13, at least one water filtration separator 14, drainage collecting device 15, at least one high-pressure washing equipment 16 and at least one high-temperature flue gas spout 17; Mummification transporting reticulation belt equipment 13 is connected and fixed by guipure installation frame 131 and housing 1 internal stent 10; Water filtration separator 14 is fixedly connected with above-mentioned guipure installation frame by support, and the lower-most point place of center edge is welded with water pipe head 141; Drainage collecting device 15 connects the water pipe head 141 on above-mentioned water filtration separator 14, and drainage collecting device 15 connects the pumping equipment 4 of housing 1 outside; Above-mentioned high-pressure washing equipment 16 is positioned at the two ends of water filtration separator 14, and is connected by the high-pressure hydraulic pump 3 that flushing pipe 161 and housing 1 outside are provided with; High-temperature flue gas spout 17 is fixedly connected with guipure installation frame by high-temperature flue gas pipe support (not doing in figure to illustrate); Above-mentioned mummification transporting reticulation belt equipment 13, high-pressure hydraulic pump 3, pumping equipment 4, induced draft fan 6 connects automatic control device 2 respectively, and controls respective running status by it.
In embodiment, above-mentioned mummification transporting reticulation belt equipment 13 is track type mesh belt transmission equipment, guipure 134 material is stainless steel and by certain order number customization, guipure 134 is arranged on guipure installation frame 131, mummification transporting reticulation belt equipment 13 quantity elects three as, become to stagger stepped, in other embodiments, also can be other numbers.The motion-work wheel 132 of each mummification transporting reticulation belt equipment 13 and follow-up pulley 133 are arranged on guipure 134 installation frame 131 respectively, guipure installation frame 131 support is fixedly connected with by bolt 7 with the internal stent of circular heat insulating body skin 1, motion-work wheel 132 is driven by variable-frequency motor and speed reduction unit, its mode of connection is chain gear, is controlled the running status of variable-frequency motor by automatic control device 2.
Above-mentioned water filtration separator 14 is rectangle, become concavity, overall curved surface needs level and smooth, the water pipe head 141 that the lower-most point place at heart edge is welded with wherein is positioned at the inside of the guipure 134 of each mummification transporting reticulation belt equipment 13, separate the upper and lower surface of guipure 134, the support of water filtration separator 14 is directly bolted with above-mentioned guipure installation frame 131, and its position does not affect the reciprocating operation of mummification transporting reticulation belt equipment 13.
Above-mentioned drainage collecting device 15 is pipeline, the water pipe head 141 be welded with the lower-most point place of above-mentioned water filtration separator 14 center edge is threaded, and the outside by drainage collecting device 15 water that three water filtration separators 14 collect being caused circular heat insulating body skin 1 is processed; This drainage collecting device 15 also connects the pumping equipment 4 of circular heat insulating body skin 1 outside.
Above-mentioned high pressure back-purge system 16 is multiple stationary nozzle, be connected with flushing pipe 161, the position trend of flushing pipe 161 is consistent with the trend of above-mentioned drainage collecting device 15, above-mentioned each mummification transporting reticulation belt equipment 13 is furnished with two flushing pipes 161, lay respectively at the two ends of water filtration separator 14, in relative position, each flushing pipe 161 is provided with several stationary nozzles 16, carry out the setting of quantity according to the actual needs, flushing pipe 161 connects the high-pressure hydraulic pump 3 of circular heat insulating body skin 1 outside, the wash-down water with pressure is provided by high-pressure hydraulic pump 3, high-pressure hydraulic pump 3 connects automatic control device 2 by line, its running status is controlled by automatic control device 2.
Above-mentioned high-temperature flue gas spout 17 is multiple fixed arrangement formula high-temperature flue gas spouts, it is bolted by high-temperature flue gas pipe support (not doing in figure to illustrate) and guipure installation frame 131 support, each mummification transporting reticulation belt equipment 13 is provided with by a high-temperature flue gas spout 17, be installed on the end of mummification transporting reticulation belt equipment 13 traffic direction, this high-temperature flue gas spout 17 is connected by the induced draft fan 6 of high-temperature flue gas pipeline 171 with circular heat insulating body skin 1 outside, high-temperature flue gas is introduced by induced draft fan 6, induced draft fan 6 connects automatic control device 2 by line, its running status is controlled by automatic control device 2.
Sub-pressure high-efficient pyrolysis device principle of work of the present invention is as follows:
First, high water content sludge enters in sub-pressure high-efficient pyrolysis device by opening for feed 11, after being processed by opening for feed 11, mud is made to be evenly distributed on the guipure 134 of mummification transporting reticulation belt equipment 13 by certain thickness, automatic control device 2 is by the rotating speed of line traffic control variable-frequency motor, step-down gear is coordinated to control the rotating speed of motion-work wheel 132, thus control the gait of march of the guipure 134 of mummification transporting reticulation belt equipment 13, while high water content sludge is advanced on guipure, portion of water can from the mesh of guipure under diafiltration, fall on water filtration separator 14, by drainage collecting device 15, filtered water is drawn process.
But when mud advances to end on guipure 134, due to shuttle operating structure, mud can fall at guipure 134 end, because three mummification transporting reticulation belt equipment 13 are stepped in staggering, therefore the mud fallen can be fallen on the guipure 134 of next mummification transporting reticulation belt equipment 13, high-moisture percentage due to mud can cause partial sludge to be attached on guipure 134 can not falling, now automatic control device 2 controls induced draft fan 6 and introduces high-temperature flue gas, high-temperature gas is sprayed by high-temperature flue gas spout 17, while the guipure to next mummification transporting reticulation belt equipment 13 that blown off by the mud of attachment, also mud is had to the effect of a mummification.High water content sludge is by the mummification of said process and anhydrate, eventually through the process of sludge outlet 18 Natural excrement.
Wherein, high pressure backwashing equipment 16 adopts water jets under high pressure to open as required or within the fixed cycle, the water filtration separator 14 that cleaning is inner, and water jets under high pressure is provided by the high-pressure hydraulic pump 3 of automatic control device 2 by line connection control.
Above-mentioned high-temperature flue gas spout 17 is while continuing to blow off and being attached on guipure 134 mud, can also temperature be supplemented for keeping warmth space and clean guipure 134 and prevent guipure hole plug, high-temperature flue gas spout 17 can make the temperature in space can remain within the temperature range of requirement, meet the requirement of the mummification temperature of mud on transporting reticulation belt 134, the humid flue gas that in enclosed space, dewatered sludge produces then by induced draft fan 6 from qualified discharge after exhanst gas outlet 12 pump-and-treat system, the smoke moisture scope in enclosed space of ensureing is within requiring.To reduce moisture greatly by the mud after said process process, the proterties of mud also will change, and can become solid-state shape mud fragment by muddy water shape liquid sludge.
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (7)
1. a sub-pressure high-efficient pyrolysis device, is characterized in that, is made up of housing, and this housing is provided with: the opening for feed and the exhanst gas outlet that are placed in housing tip, be placed in the sludge outlet of housing bottom; The inside of this housing is provided with: at least one mummification transporting reticulation belt equipment, at least one water filtration separator, drainage collecting device, at least one high-pressure washing equipment and at least one high-temperature flue gas spout; Mummification transporting reticulation belt equipment is connected and fixed by guipure installation frame and enclosure interior support; Water filtration separator is fixedly connected with above-mentioned guipure installation frame by support, and the lower-most point place of center edge is welded with water pipe head; Drainage collecting device connects the water pipe head on above-mentioned water filtration separator, and above-mentioned high-pressure washing equipment is positioned at the two ends of water filtration separator, and is connected by the high-pressure hydraulic pump that flushing pipe and hull outside are provided with; High-temperature flue gas spout is fixedly connected with guipure installation frame by high-temperature flue gas pipe support; Above-mentioned mummification transporting reticulation belt equipment, high-pressure hydraulic pump connect automatic control device respectively, and control by its respective running status.
2. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned housing is circular heat insulating body skin.
3. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned mummification transporting reticulation belt equipment is track type mesh belt transmission equipment.
4. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned water filtration separator is rectangle, becomes concavity.
5. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned drainage collecting device is pipeline, by a pumping equipment, filtered water is drawn process.
6. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned high-temperature flue gas spout is multiple fixed arrangement formula high-temperature flue gas spouts.
7. sub-pressure high-efficient pyrolysis device according to claim 1, is characterized in that, above-mentioned high-pressure washing equipment is multiple stationary nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239210.0A CN104829084B (en) | 2015-05-12 | 2015-05-12 | Negative pressure thermo-desorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239210.0A CN104829084B (en) | 2015-05-12 | 2015-05-12 | Negative pressure thermo-desorption device |
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| Publication Number | Publication Date |
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| CN104829084A true CN104829084A (en) | 2015-08-12 |
| CN104829084B CN104829084B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510239210.0A Expired - Fee Related CN104829084B (en) | 2015-05-12 | 2015-05-12 | Negative pressure thermo-desorption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177846A (en) * | 2023-05-04 | 2023-05-30 | 北京建工环境修复股份有限公司 | Dewatering system of soil drip washing mud |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531404A (en) * | 1968-04-01 | 1970-09-29 | Union Tank Car Co | Sewage treatment system |
| US5840187A (en) * | 1995-12-21 | 1998-11-24 | Pannevis B. V. | Device for filtering, washing and drying a solid material-liquid mixture |
| CN104230138A (en) * | 2014-07-11 | 2014-12-24 | 浙江三联环保机械设备有限公司 | Belt type sludge dryer |
| CN204644097U (en) * | 2015-05-12 | 2015-09-16 | 周浩男 | Sub-pressure high-efficient pyrolysis device |
-
2015
- 2015-05-12 CN CN201510239210.0A patent/CN104829084B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531404A (en) * | 1968-04-01 | 1970-09-29 | Union Tank Car Co | Sewage treatment system |
| US5840187A (en) * | 1995-12-21 | 1998-11-24 | Pannevis B. V. | Device for filtering, washing and drying a solid material-liquid mixture |
| CN104230138A (en) * | 2014-07-11 | 2014-12-24 | 浙江三联环保机械设备有限公司 | Belt type sludge dryer |
| CN204644097U (en) * | 2015-05-12 | 2015-09-16 | 周浩男 | Sub-pressure high-efficient pyrolysis device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116177846A (en) * | 2023-05-04 | 2023-05-30 | 北京建工环境修复股份有限公司 | Dewatering system of soil drip washing mud |
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| CN104829084B (en) | 2017-02-01 |
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Effective date of registration: 20161207 Address after: 710000 Shaanxi high tech Zone in Xi'an City Industrial Park on the eastern side of East Street Art Garden Apartment Building 1 Building 6 room 61402 Applicant after: Xi'an Hairun water world Holdings Limited Address before: West Street in Jianye District of Nanjing City, Jiangsu province 210019 No. 198 building four unit 902 in the world in Jiangsu environmental Polytron Technologies Inc Applicant before: Zhou Haonan |
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Granted publication date: 20170201 Termination date: 20200512 |