CN102390692A - Dust catcher for belt conveyor with large inclined angle - Google Patents
Dust catcher for belt conveyor with large inclined angle Download PDFInfo
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- CN102390692A CN102390692A CN2011101889048A CN201110188904A CN102390692A CN 102390692 A CN102390692 A CN 102390692A CN 2011101889048 A CN2011101889048 A CN 2011101889048A CN 201110188904 A CN201110188904 A CN 201110188904A CN 102390692 A CN102390692 A CN 102390692A
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Abstract
本发明涉及大倾角皮带机的除尘捕集器，属于环保干法除尘技术领域。本装置的皮带落料点处为密封罩结构，沿落料点起皮带运行方向依次设置高效沉降室、粉尘过滤器、循环分离室和密封室；高效沉降室、粉尘过滤器、循环分离室和密封室底部与格式输送带间由两侧的帮板封闭，帮板内壁设置有倾斜导流板，导流板下端在波状挡板范围以内，与落料管的下端设置有与高效沉降室连通的气流平衡管。本发明避免物料和粉尘沉积于皮带底板上，避免二次污染，对粉尘捕集率可高到95%以上，处理成本低、投资少、不占地、除尘器寿命长、施工工期短，除尘器出口气体低于国家排放标准。
The invention relates to a dust collector for a belt conveyor with a large inclination angle, and belongs to the technical field of environmental protection dry dust removal. The belt blanking point of this device is a sealed cover structure, and the high-efficiency sedimentation chamber, dust filter, circulation separation chamber and sealing chamber are arranged in sequence along the belt running direction from the discharge point; the high-efficiency sedimentation chamber, dust filter, circulation separation chamber and The bottom of the sealing chamber and the format conveyor belt are closed by side plates on both sides. The inner wall of the side plate is provided with an inclined deflector. air balance tube. The invention avoids materials and dust from being deposited on the bottom plate of the belt, and avoids secondary pollution. The outlet gas of the device is lower than the national emission standard.
Description
Technical field
The present invention relates to the dedusting drip catcher of high angle belt conveyer machine, belong to environmental protection dry dedusting technology field.
Background technology
High angle belt conveyer has characteristics such as high spud angle conveying, compact conformation, occupation of land are few, is that high spud angle is carried the ideal equipment with the vertical-lift material, in all employings to some extent of field such as underground mining and underground structrue engineering, surface mining, Large Self-unloading Ship machines.The maximum characteristics of high angle belt conveyer conveyer are to adopt conveyor belt with wave baffle board at its edge to replace duck conveyor belt, and its principle of work and structure are formed, and be then identical with general belt machine, and belt conveyor is that base band, cross wall and wave baffle board at its edge are formed integral structure.
The dust collection method of China's high angle belt conveyer, most cloth bag dedusting process that adopt centralized negative pressure air draught.Dust catching cover, delivery duct, bag dust collector, induced draft fan and chimney etc. in this cloth bag dedusting process, have been adopted.Its shortcoming is that investment is big; The dust catching rate is low; Horizontal pipe is prone to stop up, and influences capture rate; The exhausting amount is big, and over-the-road expense is high; Floor areas such as dust exhaustor, induced draft fan and chimney are big; Full-time Operation and Maintenance personnel and dust transportation device need be set.
The maximum difficulty of existing high angle belt conveyer dedusting just is the capture and the conveying of dust, on its belt deflector chute, bevelled cover is set, and fuses with the dust delivery duct.Overflowing fume trap cover for fear of dust, must be negative pressure state in the deflector chute; Deposit in pipeline for fear of dust, must adopt big air quantity to carry.Two factors all need powerful power, in case dust deposit and pipe interior, exhausting efficient will reduce greatly, and the negative pressure state in the fume trap cover will be destroyed, and dust will overflow fume trap cover, and arresting efficiency reduces significantly.Adopt the high angle belt conveyer of cloth bag dedusting process, after having moved one or two years, cleaning shaft stops up, dust pelletizing system paralysis, airborne dust point dust from flying.On the other hand, a certain amount of material and dust are deposited between deflector chute and the wave baffle board at its edge, and when belt got into the inclination angle part, the material of accumulation and dust can cause reentrainment of dust to pollute from landing on the base band base plate of belt.
Summary of the invention
For addressing the above problem; The present invention provides a kind of dedusting drip catcher of high angle belt conveyer machine; Can solve the problem of the capture of dust, avoid material and dust deposit on the belt base plate, avoid secondary pollution; Can be high to the dust catching rate to more than 95%, processing cost is low, small investment, do not take up an area of, the dust exhaustor life-span is long, the construction period is short.
Solving the scheme that technical matters of the present invention adopts is: belt discharging point place is the seal closure structure, sets gradually efficient setting chamber, dust filter unit, circulation separation chamber and sealed chamber along discharging point peeling tape running direction; Group's plate by both sides between efficient setting chamber, dust filter unit, circulation separation chamber and sealed chamber bottom and form load-transfer device seals; Group's plate inwall is provided with the inclination deflecting plate; The deflecting plate lower end is provided with the air balance pipe that is communicated with efficient setting chamber with the lower end of material blanking tube in wavy baffle plate scope.
Group's plate outer wall vertical of described load-transfer device both sides is in high angle belt conveyer base band base plate; The angle of inclination of the inclination deflecting plate of inwall is 50～70 °; The deflecting plate bottom is provided with sealing rubber strip; The sealing rubber strip lower end contacts with form load-transfer device top, deflecting plate lower end and form load-transfer device top down suction ≮ 10mm, the wave baffle board at its edge horizontal clearance ≮ 20mm of deflecting plate lower end and form load-transfer device.Caulking gum rule diameter is 8～10mm, 4～6 layers of arrangement, and seal clearance is 0.5～1.0mm.
The first half of said group plate is and efficient setting chamber, dust filter unit, circulation separation chamber and sealed chamber bonded assembly steel construction piece that height is 150mm ~ 300mm; The sealing rubber strip that the latter half contacts with form load-transfer device top is high to be 100mm ~ 200mm; Top at efficient setting chamber, dust filter unit, circulation separation chamber and sealed chamber is provided with plate baffle, is of a size of 300mm * 200mm, and angle of inclination and horizontal direction are 15～45 °.
Described circulation separation chamber is a top board bevelled horn shape, and angle of inclination and horizontal direction are 10～30 °, and the flared end of circulation separation chamber connects sealed chamber, and the top of sealed chamber has overhang rubber strip.
Equipment used herein satisfies following parameter: the flat section of high spud angle belt conveyer material feeding bandwidth is 500～1200mm, and belt speed is 0.8～3.15m/s, and the material drop is in the 10m during blanking, and material is the not viscous material of shape that looses.
The invention has the beneficial effects as follows:
1. do not have pipeline etc. to draw factory building, do not have equipment such as dust exhaustor, blower fan, chimney yet, do not take up an area of no view visual pollution.
2. need not to be equipped with the operator, easy to maintenance, expense is low.
3. consumption of power is approximately 20% of dust settling pocket technique.
4. compare with dust settling pocket technique and practice thrift investment about 20～30%.
5. guarantee that the dust catching rate reaches more than 95% for a long time, dust exhaustor outlet dustiness<50mg/>Nm
3, the dust content of operating point<10mgm
3
Description of drawings
Fig. 1 is the dust collector structural representation of high angle belt conveyer machine of the present invention.
Fig. 2 is group's Board position sectional schematic diagram of high angle belt conveyer dust collector of the present invention.
Each label is represented successively among the figure: high angle belt conveyer transport plane 1, sealed chamber 2, material blanking tube 3, air balance pipe 4, efficient setting chamber 5, dust filter unit 6, plate baffle 7, circulation separation chamber 8, deflecting plate 9, group's plate 10, sealing rubber strip 11, base band base plate 12, wavy baffle plate 13, deflecting plate support 14, rubber strip 15.
The specific embodiment
Embodiment: referring to Fig. 1,2; Stem to flat section of the material feeding of high angle belt conveyer transport plane 1 adopts sealed chamber 2 to seal; Set gradually efficient setting chamber 5, dust filter unit 6, circulation separation chamber 8 and sealed chamber 2 after the station of material blanking tube 3; Efficient setting chamber 5 is provided with plate baffle 7 with 8 tops, circulation separation chamber, and the bottom of material blanking tube 3 is provided with the air balance pipe 4 that communicates with efficient setting chamber 5, and efficient setting chamber 5, dust filter unit 6, circulation separation chamber 8 and sealed chamber 2 each dust removal installation fuse through group's plate 10; Group's plate 10 inwalls are provided with two deflecting plates 9; Deflecting plate is fixed in group plate 10 upper ends by support 14, and the deflecting plate bottom is provided with sealing rubber strip 11, contacts with the form load-transfer device.
At first fall into the dusty gas of efficient setting chamber 5, descend because volume increases air-flow velocity, and receive plate baffle 7 break-ins, big dust particle sedimentation from material blanking tube 3; Dust-contained airflow is back to the lower end in the material blanking tube 3 through air balance pipe 4 under negative pressure.The dust that part kinetic energy is bigger continues to separate through built-in bag dust collector to dust filter unit 6 diffusions, and clean gas is discharged dust exhaustor; On dust adhesion and the cloth bag; Get back on the belt transporter through the pulse rapping, few part slows down because of the adapter bonnet volume becomes air flow speed to 8 diffusions of circulation separation chamber; By on the inclination plate baffle 7 put stop, break-in, dust and burbling; Also have the dust of very small amount to continue, receive a series of rubber strips 15 that sealed chamber 2 overhangs and stop once more and settle down to sealed chamber 2 motions.
Referring to Fig. 2; Deflecting plate 9 angles of inclination that in group's plate 10, are provided with are 50～70 °; Sealing rubber strip 11 through deflecting plate 9 and its underpart all can fall into the dust that settles down in the form load-transfer device exactly, avoids falling on the wavy baffle plate 13 of pleated; Can not fall between group's plate 10 and the belt base plate 12 yet, avoid reentrainment of dust.
In to the feedway encapsulation process, produce dirt pits dust concentration≤5g/m
3, equipment should be in normal temperature, atmospheric pressure state, and seal case adopts the steel weldment; And rubber plate is adopted in the sealing between the equipment; Load-transfer device is a form high angle belt conveyer transport plane, and the head of dusting equipment, tail seal adopt multi-stage sealed rubber strip, and the rubber strip diameter is φ 8～10mm; 4～6 layers of arrangement, gap are 0.5～1.0mm.
Present embodiment is applied to the polysilicon project boiler room high angle belt conveyer dedusting that new material company is ground in the Kunming smelting, and totally 18 are removed dirt pits, and gross investment is 2,090,000 yuan, and the duration is 90 days, is constructed and put into operation in December, 2010, and dust removing effects is remarkable, dust exhaustor outlet dustiness<50mg/>Nm
3, be lower than discharging standards; The dust content of operating point<10mgm
3, meet national occupational health standard.Compare with dust settling pocket technique, gross investment is saved 800,000 yuan, and the duration shortens 60 days, and annual the saving moved 700,000 yuan of the electricity charge.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101889048A CN102390692A (en) | 2011-07-07 | 2011-07-07 | Dust catcher for belt conveyor with large inclined angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101889048A CN102390692A (en) | 2011-07-07 | 2011-07-07 | Dust catcher for belt conveyor with large inclined angle |
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| CN102390692A true CN102390692A (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101889048A Pending CN102390692A (en) | 2011-07-07 | 2011-07-07 | Dust catcher for belt conveyor with large inclined angle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516721A (en) * | 1974-07-05 | 1978-07-05 | Donaldson Co Inc | Air filter |
| US4486206A (en) * | 1982-07-07 | 1984-12-04 | Nippondenso Co., Ltd. | Cyclone type air cleaner |
| CN201016072Y (en) * | 2007-03-02 | 2008-02-06 | 无锡市华能电力机械有限公司 | Dust collector for portable belt conveyer |
| CN101607258A (en) * | 2009-07-13 | 2009-12-23 | 昆明冶金研究院 | A dust removal method for coke transportation system |
| CN202156753U (en) * | 2011-07-07 | 2012-03-07 | 昆明冶金研究院 | Dust removal catcher of high-inclination angle belt conveyor |
-
2011
- 2011-07-07 CN CN2011101889048A patent/CN102390692A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516721A (en) * | 1974-07-05 | 1978-07-05 | Donaldson Co Inc | Air filter |
| US4486206A (en) * | 1982-07-07 | 1984-12-04 | Nippondenso Co., Ltd. | Cyclone type air cleaner |
| CN201016072Y (en) * | 2007-03-02 | 2008-02-06 | 无锡市华能电力机械有限公司 | Dust collector for portable belt conveyer |
| CN101607258A (en) * | 2009-07-13 | 2009-12-23 | 昆明冶金研究院 | A dust removal method for coke transportation system |
| CN202156753U (en) * | 2011-07-07 | 2012-03-07 | 昆明冶金研究院 | Dust removal catcher of high-inclination angle belt conveyor |
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Application publication date: 20120328 |