CN201864649U - Band-type sludge drying machine - Google Patents
Band-type sludge drying machine Download PDFInfo
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- CN201864649U CN201864649U CN2010206120979U CN201020612097U CN201864649U CN 201864649 U CN201864649 U CN 201864649U CN 2010206120979 U CN2010206120979 U CN 2010206120979U CN 201020612097 U CN201020612097 U CN 201020612097U CN 201864649 U CN201864649 U CN 201864649U
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Abstract
The utility model relates to a band-type sludge drying machine, which belongs to the field of solid wastes, and consists of a sludge noodle preparing device, a box body, an air blower, an air flue, an air exhaust air blower, an air mixing chamber, an air heating device, a sludge water cooling screw conveyor in the box body, and an exhaust device, wherein a sludge inlet at the top of the box body is provided with the sludge noodle preparing device, and the upper part and the lower part of the box body are respectively provided with a feeding hole and a discharge hole. A drying band and a driving device thereof constitute a vertical module device, and at most two layers of drying bands can be arranged. The air exhaust device, the air heating device and the air blower constitute a horizontal module device. The box body is provided with a plurality of air outlets and air inlets so as to make sludge blown by lateral transverse dry hot wind to be dried. The drying machine operates safely, is environmentally-friendly, has short sludge stroke, high drying efficiency, small energy loss and low maintenance cost, is simple to operate, and has the advantages of safety, energy saving, environment protection and resource utilization.
Description
Technical field
The utility model relates to a kind of mud conveyor dryer, belongs to the solid waste field.Relate in particular to the mud that municipal sewage treatment is produced and carry out the drying and other treatment equipment of minimizing, innoxious, stabilization.
Background technology
Along with China's rapid development of economy and urbanization process are accelerated, the increase that sewage work builds, the output of mud also increases sharply, what but mud stabilizing treatment facility was arranged in the existing sewage treatment facility is less than 1/4, sludge treatment expense even account for 50% of entire sewage factory and office reasons expense, so the processing of mud has become focus point new in the comprehensive environmental improvement with disposing.
Mud also contains a large amount of pathogenic agent and various heavy element owing to contain spissated inorganic, organic pollutant, therefore, must deal carefully with mud.The common way of the most sewage works of China is, and is unprocessed or through after the simple process to mud, directly transports to refuse tip and rubbish mixings landfill, random stacking, do not reach the sanitary landfill standard far away; Also having minority is to handle by the mode of heating power mummification, burning, compost.
At present, mummification+burning, mummification+soil and building materials utilization etc. are the main technique that developed country's sludge treatment is disposed, and also are the developing direction that China's sludge treatment is disposed.Sludge drying mainly comprises: Flash Type moisture eliminator, revolver drier, belt dryer, spray-type drier, volution formula moisture eliminator, multiple-effect evaporator, film drier and various rotating disk/pulpboard moisture eliminator etc.In these moisture eliminators that all are mentioned, belt dryer is at present most widely used a kind of.
According to the development of belt drying technique both domestic and external as can be known, mainly contain at present: middle temperate zone formula moisture eliminator, the mummification of low temperature belt, percolation pneumatic dryer, microwave belt drying device, vacuum belt-type dryer etc.These mummification equipment and technology maturations, mummification effect stability, but since in the mud water content big, calorific value own is low, with wasteful calorimetric energy, so running cost is higher in the drying process.
Summary of the invention
The purpose of this utility model is to provide a kind of mud conveyor dryer.
The utility model provides a kind of mud conveyor dryer, utilizes the naturally temperature, and add auxiliary heat energy then and realize the sludge drying purpose, be that envrionment temperature and circulation heating ring wind are in conjunction with operation; All devices and instrument be electric all do not need explosion-proof, system's operating safety, environmental protection; Can freely be provided with the subject range of advancing mud, mud extraction solid content; The mud drying course is not subjected to the influence in " sticky zone "; The flat evaporator amount of capacity of device is adjustable; Can full-automatic move; The device worn parts is few, and running expense is low, simultaneously, has the advantage of safety, energy-saving and environmental protection, recycling.
The technical solution of the utility model is a kind of mud conveyor dryer, mainly comprises mud noodles preparation facilities, casing, gas blower, air channel, air draft gas blower, air mixed chamber, air heating apparatus, the intravital sludge water cooling spiral conveyor of case and extractor fan, drying belt, drive-motor;
Be provided with mud noodles preparation facilities at sludge inlet place, the top of casing, be provided with the charging and discharging mouth respectively in the casing upper and lower part;
Casing adopts the vertical module setting, it is the vertical module device on the vertical direction, article one, drying belt and drive-motor thereof are a vertical module device, 2 layers of drying belt are set, traffic direction is opposite between upper and lower adjacent drying belt, lower floor's drying belt with respect to the upper strata drying belt along the throughput direction segment distance setting of staggering;
Casing adopts horizontal module setting, it is the horizontal modular device on the horizontal direction, an extractor fan, an air heating apparatus and a gas blower are a module, the intravital air outlet of the described case of module is located between the superiors' drying belt and box top, air intake vent is arranged between orlop drying belt and bottom half, and relative with air outlet;
The extractor fan of horizontal modular device connects the air mixed chamber, and air heating apparatus connects the air mixed chamber; Gas blower connects air heating apparatus and air channel; The air channel connects and adds hot air inlet;
The top of the suction opening connect box of extractor fan is also connected with casing;
The sludge water cooling spiral conveyor is a two-layer drying belt on the vertical direction, and each drying belt connects drive-motor;
Described casing sets out air port and air intake vent.
A kind of mud belt drying treatment process mainly may further comprise the steps:
(1) with water ratio be 65～85% mud through mud noodles preparation facilities, be prepared into to be tiled in behind the noodles shape of diameter 2-15mm and carry out drying and other treatment on the belt;
(2) by heat exchanger heat is delivered to recirculated air in the air mixed chamber from thermal source, thermal source does not directly contact with mud, by adding the warm air dewatered sludge;
(3) in the air mixed chamber, some material that carries in the mud may be formed non-condensable gas by pyrolysis, in case these gases are built up in the loop, finally possibility is saturated,
Therefore small amount of recycled gas is discharged from the loop by blower fan, be sent to biofilter and handle, replenish the equivalent uncontaminated air simultaneously, can avoid the accumulation of non-condensable gas in the loop, thereby guarantee security of system;
(4) after mud was finished drying process, temperature was about 75～80 ℃ when dropping in the discharge bucket, transfers to discharge port by a worm conveyor that has the water cooling function again, and the outlet temperature of mud is lower than 45 ℃, can be stored in the designated store place safely.
The utility model solves high temperature and high pressure condition, safety simple to operate; The heat energy consumption of mud drying unit is low, and mechanical wear is little, and the maintaining expense is low; A large amount of dust, sewage, foul smell and the noise of not producing in service.
The utility model system operating safety, environmental protection, the mud stroke is short, the drying efficiency height, heat-energy losses is little, and is simple to operate, and maintenance cost is low, has the advantage of safety, energy-saving and environmental protection, recycling.
The characteristics that the utlity model has:
(1) safety simple to operate; Whole drying operation process full automatic control gets final product continuous throughout the twenty-four hour24 every days 24, also can the intermittence non-stop run.
(2) can pass mud " sticky zone " without a doubt; Belt mud drying unit can directly pass through dewatered sludge " sticky district " without a doubt dries mud to more than the 90%DR.
(3) the processed in units flow can flexible and treatment capacity big; The utility model is pressed modular manner and is built, and can be made up of the 1-5 module.The maximum evaporation water yield of single cover belt desiccation apparatus can reach 4000 kilograms/hour.
(4) can utilize used heat to carry out oven drying at low temperature handles; If exist under the available situation of low-temperature waste heat, then can carry out drying course by low-temperature water heating, can save a large amount of energy expenditures.
(5) no stink; Inside is in low-pressure state all the time in the operation process, thus in the mummification workshop, can not produce stink, in many cases even can save odor removal.
(6) the mud extraction solid content can freely be provided with; The solid content of discharging mud can be provided with arbitrarily in 40% to 90% scope.
(7) the device wearing and tearing are few, and running expense is low; Because the physical construction of device is simple, the maintenance work amount is few.Can surpass more than 5 years the work-ing life of drying belt.
Description of drawings
When considered in conjunction with the accompanying drawings, by the reference following detailed, can more completely understand the utility model better and learn wherein many attendant advantages easily, but accompanying drawing described herein is used to provide further understanding of the present utility model, constitute a part of the present utility model, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute to improper qualification of the present utility model, wherein:
Fig. 1 is the structural map of the conveyor dryer of a kind of mud of the utility model.
Fig. 2 is the A-A sectional view of mud conveyor dryer among Fig. 1.
Fig. 3 is the module diagram of the conveyor dryer of a kind of mud of the utility model.
Among the figure: casing 1, mud noodles preparation facilities 2, air mixed chamber 3, extractor fan 4, air draft gas blower 5, drying belt 6, drive-motor 7, sludge water cooling spiral conveyor 8, blower inlet 9, air heating apparatus 10, gas blower 11, air channel 12, add hot air inlet 13.
Embodiment
Further specify the utility model below with reference to the accompanying drawings.
Obviously, the many modifications and variations done based on aim of the present utility model of those skilled in the art belong to protection domain of the present utility model.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of mud conveyor dryer is made up of sludge water cooling spiral conveyor 8 and extractor fan 4 in mud noodles preparation facilities 2, casing 1, gas blower 11, air channel, air draft gas blower 5, air mixed chamber, air heating apparatus 10, the casing 1.The sludge inlet place is provided with mud noodles preparation facilities 2 at casing 1 top, is provided with opening for feed 14, discharge port 15 respectively in casing 1 upper and lower part.
Casing 1 adopts the module setting, and promptly 22,21, one drying belts 6 of the vertical module device on the vertical direction and drive-motor 7 thereof are a vertical module device, and 2 layers of vertical module device can be set at most; Traffic direction is opposite between upper and lower adjacent drying belt, lower floor's drying belt with respect to the upper strata drying belt along the throughput direction segment distance setting of staggering; Drive-motor 7 is fixed on the frame of mud conveyor dryer, and drive-motor 7 connects belt pulley and belt, passes to the belt pulley that supports drying belt 6 with rotating by belt; The belt pulley of drying belt 6 has 2 pairs to be separately fixed on the frame of mud conveyor dryer, and the belt pulley of drying belt 6 drives drying belt 6 runnings.
Casing 1 adopts the module setting, it is the horizontal modular device on the horizontal direction, an extractor fan 4, an air heating apparatus 10 and a gas blower 11 are a horizontal modular device 20, the extractor fan 4 of horizontal modular device 20 connects air mixed chamber 3, and air heating apparatus 10 connects air mixed chamber 3; Gas blower 11 connects air heating apparatus 10 and air channel 12; Air channel 12 connects and adds hot air inlet 13;
The structure of each horizontal modular device 16,17,18,19 is identical with horizontal modular device 20;
5 horizontal modular devices 16,17,18,19,20 can be set at most; Air outlet in the described casing 1 is located between the superiors' drying belt and box top, and air intake vent is arranged between orlop drying belt and bottom half, and relative with air outlet.
Described casing 1 can be provided with a plurality of air outlets and air intake vent, makes mud be subjected to the horizontal dry-heat air in side and blows, and makes its contained humidity evaporation, and moisture hot blast enters air outlet, and a part effluxes, and a part continues to be heated recycling after dehumidifying.
Mud noodles preparation facilities 2, air heating apparatus 10, air draft gas blower 5, sludge water cooling spiral conveyor 8 are the commercially available prod of prior art.
The vertical module device also can be provided with more than 2.
Embodiment 2:
As shown in Figure 1, 2, 3, be provided with mud noodles preparation facilities 2 on casing 1, the sludge water cooling spiral conveyor is a two-layer drying belt 6 on the vertical direction, and each drying belt connects drive-motor 7.Upper and lower two-layer drying belt traffic direction is opposite, lower floor's drying belt with respect to the upper strata drying belt along the throughput direction segment distance setting of staggering; Mud noodles preparation facilities 2 is arranged on upper strata drying belt original position, the mud noodles of preparing drop on the drying belt of upper strata, with its motion, below the drying belt of upper strata, set a layer drying belt, both traffic directions are opposite, lower floor's drying belt is along the segment distance setting of staggering of upper strata drying belt throughput direction, so that the mud on upper strata is fallen on it.Lower floor drying belt end below is provided with mud helix transporting device 8, and the mud of drying is transferred out casing 1.
As shown in Figure 3, the circulation of hot blast is unit with the module in the utility model casing 1.In each horizontal module, add warm air through air channel 12, what enter casing 1 bottom adds hot air inlet 13, because warm air proportion is light than freezing air, three kinds of effects of the draft of power that gas blower 11 is given and extractor fan 4 are constantly risen warm air, thus heating mud noodles, make the moisture evaporation in the mud noodles, and then reach the exsiccant purpose.Dried waste heat waste gas is by extractor fan 4 introducing air hybrid chambers 3, and portion of air enters atmosphere by air draft gas blower 5, and a part through dehumidifying, by air heating apparatus 10 heating, enters air channel 12, the sludge-drying noodles as recirculated air once more.
As shown in Figure 3,5 horizontal modular devices 20,16,17,18,19 can be set on the utility model horizontal direction, each horizontal modular device all has independently extractor fan 4, air heating apparatus 10, gas blower 11, air channel 12 and add hot air inlet 13.Characteristic and running condition according to actual mud can freely increase and decrease module, thereby reach energy efficient, the purpose of raising the efficiency.
Horizontal modular device also can be provided with more than 2.
A kind of conveyor dryer of mud is made up of mud noodles preparation facilities, casing, gas blower, air channel, air draft gas blower, air mixed chamber, air heating apparatus, the intravital sludge water cooling spiral conveyor of case and extractor fan.At sludge inlet place, casing top mud noodles preparation facilities is set, is provided with the charging and discharging mouth respectively in the casing upper and lower part.Casing adopts the module setting, and promptly on the vertical direction, drying belt and drive unit thereof are a module, and 2 layers of drying belt can be set; On the horizontal direction, an extractor fan, an air heating apparatus and a gas blower are a module, and 5 modules can be set at most.Described casing is provided with a plurality of air outlets and air intake vent, makes mud be subjected to the horizontal dry-heat air in side and blows, and reaches mummification.
Embodiment 3:
A kind of mud belt drying treatment process mainly may further comprise the steps:
(1) with water ratio be 65～85% mud through mud noodles preparation facilities, be prepared into to be tiled in behind the noodles shape of diameter 8mm and carry out drying and other treatment on the belt;
(2) by heat exchanger heat is delivered to recirculated air in the air mixed chamber from thermal source, thermal source does not directly contact with mud, by adding the warm air dewatered sludge;
(3) in the air mixed chamber, some material that carries in the mud is by pyrolysis, can form non-condensable gas, in case these gases are built up in the loop, finally may be saturated, therefore small amount of recycled gas is discharged from the loop by blower fan, being sent to biofilter handles, replenish the equivalent uncontaminated air simultaneously, avoid the accumulation of non-condensable gas in the loop, thereby guarantee security of system;
(4) after mud was finished drying process, temperature was about 75～80 ℃ when dropping in the discharge bucket, transfers to discharge port by a worm conveyor that has the water cooling function again, and the outlet temperature of mud is lower than 45 ℃, is stored in storage location.
As mentioned above, embodiment of the present utility model is explained, but as long as not breaking away from inventive point of the present utility model and effect in fact can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation also all is included within the protection domain of the present utility model.
Claims (5)
1. mud conveyor dryer, its feature comprises mud noodles preparation facilities, casing, gas blower, air channel, air draft gas blower, air mixed chamber, air heating apparatus, the intravital sludge water cooling spiral conveyor of case and extractor fan, drying belt, drive-motor;
Be provided with mud noodles preparation facilities at sludge inlet place, the top of casing, be provided with the charging and discharging mouth respectively in the casing upper and lower part;
Casing adopts the vertical module setting, it is the vertical module device on the vertical direction, article one, drying belt and drive-motor thereof are a vertical module device, 2 layers of drying belt are set, traffic direction is opposite between upper and lower adjacent drying belt, lower floor's drying belt with respect to the upper strata drying belt along the throughput direction segment distance setting of staggering;
Casing adopts horizontal module setting, it is the horizontal modular device on the horizontal direction, an extractor fan, an air heating apparatus and a gas blower are a module, the intravital air outlet of the described case of module is located between the superiors' drying belt and box top, air intake vent is arranged between orlop drying belt and bottom half, and relative with air outlet;
The extractor fan of horizontal modular device connects the air mixed chamber, and air heating apparatus connects the air mixed chamber; Gas blower connects air heating apparatus and air channel; The air channel connects and adds hot air inlet;
The top of the suction opening connect box of extractor fan is also connected with casing;
The sludge water cooling spiral conveyor is a two-layer drying belt on the vertical direction, and each drying belt connects drive-motor;
Described casing sets out air port and air intake vent.
2. a kind of mud conveyor dryer according to claim 1 is characterized in that air outlet and air intake vent are more than 2.
3. a kind of mud conveyor dryer according to claim 1 is characterized in that horizontal modular device is 5.
4. a kind of mud conveyor dryer according to claim 1 is characterized in that horizontal modular device is more than 2.
5. a kind of mud conveyor dryer according to claim 1 is characterized in that the vertical module device is more than 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206120979U CN201864649U (en) | 2010-11-17 | 2010-11-17 | Band-type sludge drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206120979U CN201864649U (en) | 2010-11-17 | 2010-11-17 | Band-type sludge drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864649U true CN201864649U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206120979U Expired - Lifetime CN201864649U (en) | 2010-11-17 | 2010-11-17 | Band-type sludge drying machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201864649U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993185A (en) * | 2010-11-17 | 2011-03-30 | 北京机电院高技术股份有限公司 | Sludge band type drier and drying processing method |
| CN106959000A (en) * | 2017-05-24 | 2017-07-18 | 尹国祥 | A kind of granule materials dry tack free device |
| CN107473558A (en) * | 2017-09-18 | 2017-12-15 | 郑州大学 | A kind of sludge drying mechanism for building |
-
2010
- 2010-11-17 CN CN2010206120979U patent/CN201864649U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993185A (en) * | 2010-11-17 | 2011-03-30 | 北京机电院高技术股份有限公司 | Sludge band type drier and drying processing method |
| CN106959000A (en) * | 2017-05-24 | 2017-07-18 | 尹国祥 | A kind of granule materials dry tack free device |
| CN107473558A (en) * | 2017-09-18 | 2017-12-15 | 郑州大学 | A kind of sludge drying mechanism for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Zili Inventor after: Zhang Hongwei Inventor after: Shi Liang Inventor after: Xu Xinghua Inventor after: Liu Ling Inventor after: Liu Yong Inventor after: Li Yonghua Inventor after: Zhao Chuanjun Inventor after: Meng Dawei Inventor after: Shen Weizhen Inventor after: Yu Shufen Inventor after: Li Zongxuan Inventor after: Mu Hongyan Inventor after: Zhang Qian Inventor after: Gao Guangyu Inventor before: Meng Dawei Inventor before: Xu Xinghua Inventor before: Liu Ling Inventor before: Liu Yong Inventor before: Li Yonghua Inventor before: Jiang Zili Inventor before: Zhao Chuanjun Inventor before: Shen Weizhen Inventor before: Mu Hongyan Inventor before: Zhang Qian Inventor before: Gao Guangyu Inventor before: Zhang Hongwei Inventor before: Shi Liang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MENG DAWEI JIANG ZILI ZHAO ZHUANJUN SHEN WEIZHEN MU HONGYAN ZHANG QIAN GAO GUANGYU ZHANG HONGWEI SHI LIANG XU XINGHUA LIU LING LIU YONG LI YONGHUA TO: JIANG ZILI ZHAO ZHUANJUN MENG DAWEI SHEN WEIZHEN YU SHUFEN LI ZONGXUAN MU HONGYAN ZHANG QIAN GAO GUANGYU ZHANG HONGWEI SHI LIANG XU XINGHUA LIU LING LIU YONG LI YONGHUA |
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| C56 | Change in the name or address of the patentee |
Owner name: BMEI CO., LTD. Free format text: FORMER NAME: HIGH TECHNOLOGIES CO., LTD., BEIJING ELECTROMECHANICAL ACADEMY |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee after: BMEI CO., LTD. Address before: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee before: High Technologies Co., Ltd., Beijing Electromechanical Academy |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |