CN203740540U - Dust collecting and removing device of discharging and conveying system on bottom of large-size cement clinker storage shed - Google Patents
Dust collecting and removing device of discharging and conveying system on bottom of large-size cement clinker storage shed Download PDFInfo
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- CN203740540U CN203740540U CN201320874393.XU CN201320874393U CN203740540U CN 203740540 U CN203740540 U CN 203740540U CN 201320874393 U CN201320874393 U CN 201320874393U CN 203740540 U CN203740540 U CN 203740540U
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Abstract
The utility model discloses a dust collecting and removing device of a discharging and conveying system on the bottom of a large-size cement clinker storage shed. The dust collecting and removing device is arranged in an underground narrow and long warehouse bottom conveying vestibule of the large-size tent-type cement clinker storage shed, and comprises an air blower, an air supply pipe, an air collecting pipe, a dust collector, an accumulated dust pipe and an accumulated dust conveyor, the air collecting pipe is inclined by two degrees relative to a feeding plane of a warehouse bottom rubber belt conveyor in the direction towards an outlet, the lowest end of the air collecting pipe is communicated with the accumulated dust pipe, a fluidifying air pipe is arranged on the bottom inside the air collecting pipe and is a metal pipe, densely-distributed round holes are drilled in the pipe wall of the fluidifying air pipe, filter cloth wraps the pipe wall of the fluidifying air pipe, and a fine metal wire woven mesh is arranged outside the filter cloth. The air supply pipe provided with the air blower is arranged outside the air collecting pipe in parallel, and multiple branch pipes are arranged on the air supply pipe at intervals and are connected with the fluidifying air pipe. The dust collecting and removing device of the discharging and conveying system on the bottom of the large-size cement clinker storage shed can effectively prevent a super-long dust collecting air collecting pipeline of the discharging and conveying system on the bottom of the large-size cement clinker storage shed from being blocked due to excessive accumulated dust, and dust collection on the bottom of the large-size cement clinker storage shed can be operated consecutively and stably.
Description
Technical field
The utility model belongs to the environmental protection dust collecting technique of cement factory, is specifically related to a kind of deashing device that gathers dust of large-scale cement grog heap canopy bottom discharge delivery system.
Background technology
The tent heap canopy of cement clinker is the storage facility of the loose shape logistics of the large-scale tent type of diameter 40-70 rice.Because its reserves are large, good heat dissipation, become in the last few years main force's storage facility of cement clinker on large-scale cement manufacturing line.The discharging of cement clinker tent heap canopy arranges several parallel corridors conventionally under storehouse, adopts the mode of multiple spot blanking, logistics is discharged to the travelling apron that is arranged on corridor, is transported to cement ingredient storehouse or cement clinker bulk storehouse.Due to cement clinker temperature higher (general approximately 100 DEG C), dust is many, and in discharge process, airborne dust is comparatively serious.Because corridor, bottom of the reservior is long, highly low, gather dust a little many, concentrated dust collecting, because pipeline is long and gradient is too low, easily forms the obstruction that dust deposit causes; And multiple spot is while gathering dust, low discharge dust-precipitator is limited because of spatial altitude, is difficult to arrange.Therefore gathering dust at the bottom of large-scale cement clinker warehouse is the difficult point of cement producing line always.
At the bottom of large-scale cement clinker warehouse, level set wind pipeline easily stops up, and this obstruction has become and causes the major obstacle that gathering dust of large-scale cement grog heap canopy bottom can not continuous and steady operation, make large-scale cement clinker heap canopy bottom become the blind spot that gathers dust of cement factory at present.Some Enterprises has adopted the deashing piston that steel rope pulls has been set in pipeline.In the end of airduct, electric winch is set, regularly repeatedly pull piston, dust stratification is pulled to the ash discharging hole of ash releasing tube, be discharged into travelling apron below by ash-valve.But the deashing operation of this horizontal long tube is very unreliable, often, because the jam of piston or dust stratification too much cause the overload of steel rope, cause the fracture of steel rope or the infringement of driving device.These faults, will cause the gather dust failure of operation of the obstruction of horizontal dusty gas duct set and cement clinker tent bottom of the reservior.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide and a kind ofly prevents that dust from accumulating the deashing device that gathers dust of the large-scale cement grog heap canopy bottom discharge delivery system of blocking pipe.
The purpose of this utility model can be by taking following measure to reach: a kind of deashing device that gathers dust of large-scale cement grog heap canopy bottom discharge delivery system, being arranged in the underground long and narrow bottom of the reservior of large-scale cement grog tent type heap canopy carries in vestibule, comprise blowing engine, for airduct, duct set, dust-precipitator and dust stratification pipe and dust stratification conveyer, the feeding plane of described duct set and bottom of the reservior travelling apron is 2 ° and tilts to Way out, and the least significant end of duct set is communicated with dust stratification pipe.
The described deashing device that gathers dust, duct set is communicated with the each blanking point in bottom of the reservior, is communicated with and is gathered dust by the arm that gathers dust of extending out on duct set with blanking point.
On each arm that gathers dust, electric butterfly valve is installed.
The gathering dust of branched pipe of gathering dust mouthful is exit skirt, is connected to the deflector chute of travelling apron.
At the spaced apart block clearing door that is provided with in the pipeline side of duct set.
Dust stratification Guan Zhongshe flap valve, dust stratification pipe lower end connects the ash-pit of leading on dust stratification conveyer.
The vertical dust-precipitator that is provided with in dust stratification pipe top position, the angle of duct set and dust-precipitator is greater than 60 degree, and the air outlet of duct set is connected with the ventilation inlet of dust-precipitator by dust-collection air pipe.
The described deashing device that gathers dust, the interior bottom portion of duct set arranges a fluidisation airduct, and fluidisation airduct is metal tube, is drilled with densely covered circular hole on tube wall; Duct set be arranged in parallel outward one be equiped with blowing engine for airduct, establish many arms for interval on airduct and be connected with fluidisation airduct.
The tube wall of described fluidisation airduct is wrapped with filter cloth, and filter cloth has fine wire mesh grid outward.
The utlity model has following outstanding advantage:
Overlength dust collection pipe in every underground conveying vestibule adopts low dip arrangement form, can adapt to the limited height in overlength corridor, bottom of the reservior, but can not cause because of low dip the deposition blocking pipe of dust, make the plumbing system that gathers dust can be in less space smooth operation for a long time.Dust-laden exhaust gas that the dusty gas duct set of dust-precipitator by the low dip in the underground conveying vestibule of heap canopy bottom produces during by heap canopy bottom discharge long, stable, effectively collect.On fluidisation airduct, be enclosed with filter cloth, filter cloth has fine wire mesh grid outward, prevents from filter cloth wearing and tearing and scratch causing damage, has also kept by the fine and closely woven state of filter cloth fluidized wind simultaneously.The fluidized wind of the fine and closely woven stream thigh that fluidisation airduct blows out, can make the dust fluidization precipitating in dusty gas duct set, thereby let out under the Flows by low dip, prevent that dust from depositing in pipeline, keep long, the normal operation continuously of the unobstructed and whole bottom of the reservior dust collecting system of dusty gas duct set.By the blower fan that can produce certain air quantity and blast to described fluidisation tracheae phase decided at the higher level but not officially announced or irregularly air blast, make the dust stratification that in dust-collecting pipe, deposition causes airduct to stop up gradually conventionally transfer fluidization to, thereby rely on dust self gravitation to let out under ash-collecting pipe direction natural flow, discharge by ash-collecting pipe and flap valve, thereby ensure the unimpeded all the time of low dip dusty gas duct set.Dust collection pipe gathers dust by the arm that gathers dust to the each blanking point in bottom of the reservior, and by the unified dust-laden exhaust gas dusty gas duct set of low dip that passes through, is sent to dust-precipitator and purifies.And on each arm that gathers dust, remotely controlled plant is installed, thereby can realizes opening and closing of arm at centralized control room actv..
Brief description of the drawings
Fig. 1 is the integral structure cutaway view of the utility model device;
Fig. 2 is the utility model device side sectional view.
In figure: 1. dust-precipitator 2. blowing engine 3. duct sets 4. are led ash-pit 8. block clearing door 200 × 150 9. travelling apron 10. flap valves 11. arm 12. deflector chute 13. blanking point 14. dust stratification pipe 15. dust stratification conveyer 16. dust-collection air pipes that gather dust for airduct 5. fluidisation airduct 6. electric butterfly valves 7.
Detailed description of the invention
The deashing device that gathers dust of the utility model large-scale cement grog heap canopy bottom discharge delivery system, at the bottom of being laid in large-scale cement clinker warehouse.Shown in Figure 1, the deashing device that gathers dust generally includes blowing engine 2, supplies airduct 4, duct set 3, supplies airduct 4, fluidisation airduct 5, electric butterfly valve 6, flap valve 7, the arm 11 that gathers dust, dust-precipitator 1 and dust stratification pipe 14 and dust stratification conveyer 15.
In the utility model, duct set 3 is dusty gas long tube, be arranged in high approximately 3 meters of heap canopy bottom, be about in the underground long and narrow bottom of the reservior conveying vestibule of large-scale cement grog tent type heap canopy of 40-70 rice, be designed to low dip form, be 2 ° with bottom of the reservior travelling apron 9 feeding planes and tilt to Way out.
Duct set 3 is communicated with the each blanking point 13 in bottom of the reservior, is communicated with and gathers dust with blanking point 13 by the arm 11 that gathers dust of extending out on duct set 3, installs that electric butterfly valve 6 is remote-controlled opens and close operation on the arm 11 that gathers dust; Duct set 3 is provided with the arm 11 that gathers dust equating with blanking point 13 quantity.
Referring to Fig. 2, the mouth that gathers dust of the branched pipe 11 that gathers dust is reverse V-shaped exit skirt, is connected to the deflector chute 12 of travelling apron 9, and the mouth that gathers dust guarantees that with larger inclination angle arm does not stop up, and insert from the top of dusty gas duct set 3 branched pipe 11 one end of gathering dust; On each branched pipe 11 that gathers dust, be provided with electric butterfly valve 6, when unlatching, can ensure the air quantity that gathers dust of corresponding blanking point 13; In the time of a certain not discharging of blanking point, can close this electric butterfly valve 6, maintain the larger air quantity that gathers dust with this blanking point that ensures moving.
In the utility model, the interior bottom portion of inclination duct set 3 arranges a fluidisation airduct 5, fluidisation airduct 5 is metal tube, on tube wall, be drilled with the circular hole of densely covered diameter 2mm, tube wall is wrapped with filter cloth, filter cloth has fine wire mesh grid outward, in case the wearing and tearing of filter cloth and scratch and cause damage can blow out the wind that blasts fluidisation airduct 5 again simultaneously as much as possible uniformly.
Outside duct set 3, be provided with a diameter much smaller than duct set 3 and the pipeline parallel with duct set 3, as the confession airduct 4 of fluidisation airduct 5.Have an arm to be connected with fluidisation airduct 5 for airduct 4 every 10-15 rice, at the high pressure blower 2 that is provided with a low discharge for the middle part of airduct 4, blowing engine 2 is by supplying airduct 4 and arm to fluidisation airduct 5 air feeds.
The least significant end of low dip dusty gas duct set 3 is dust stratification pipe 14, can be by the dust stratification in duct set 3 easily by flap valve 10 through leading the dust stratification conveyer 15 of ash-pit 7 below sending into.
The vertical dust-precipitator 1 that is provided with in dust stratification pipe 14 top positions, low dip dusty gas duct set 3 is greater than 60 degree with the angle of dust-precipitator 1, the air outlet of duct set 3 is connected with the ventilation inlet of dust-precipitator 1 by dust-collection air pipe 16, the discharge after dust-precipitator 1 purifies of the dusty gas in duct set 3.
Duct set 3 has block clearing door 8 in pipeline side at a certain distance, the trouble-shooting while being beneficial to long-play.
Form the deashing device that gathers dust of the utility model large-scale cement grog heap canopy bottom discharge delivery system by above each several part assembling.
The utility model device completes the deashing work of gathering dust like this:
Open high pressure blower 2, by blowing engine 2 through for airduct 4 to the wind that passes into certain pressure and certain flow in fluidisation tracheae 5, make the dust fluidization of accumulating in duct set 3, fluidised dust flows descending along the duct set 3 of low dip, heavier powder ash enters in dust stratification pipe 14, rely under powder ash self gravitation vector product ash pipe 14 direction natural flows and let out, send into dust stratification conveyer 15 by flap valve 10; The fluidised lighter dust of another part enters dust-precipitator 1 along duct set 3 through dust-collection air pipe 16 with air-flow, and dust is collected by dust-precipitator 1, gas discharge after dust-precipitator 1 purifies.
The deashing device that gathers dust of large-scale cement grog heap canopy discharging delivery system of the present utility model, the duct set 3 of low dip and built-in fluidisation airduct 5, can effectively prevent accumulating of dust and blocking pipe, thereby keep the normal operation of the unobstructed and whole bottom of the reservior dust collecting system of dusty gas duct set 3.The overlength that its application can actv. prevents from the piling canopy bottom discharge delivery system duct set road that gathers dust too much stops up because of dust stratification, has cleared away the blind spot that gathers dust of cement factory, and making to gather dust can continuous and steady operation.
Claims (10)
1. the deashing device that gathers dust of a large-scale cement grog heap canopy bottom discharge delivery system, being arranged in the underground long and narrow bottom of the reservior of large-scale cement grog tent type heap canopy carries in vestibule, comprise blowing engine, for airduct, duct set, dust-precipitator and dust stratification pipe and dust stratification conveyer, it is characterized in that, the feeding plane of described duct set and bottom of the reservior travelling apron is 2 ° and tilts to Way out, and the least significant end of duct set is communicated with dust stratification pipe.
2. the deashing device that gathers dust according to claim 1, is characterized in that, duct set is communicated with the each blanking point in bottom of the reservior, is communicated with and is gathered dust by the arm that gathers dust of extending out on duct set with blanking point.
3. the deashing device that gathers dust according to claim 2, is characterized in that, on each arm that gathers dust, electric butterfly valve is installed.
4. the deashing device that gathers dust according to claim 3, is characterized in that, the mouth that gathers dust of the branched pipe that gathers dust is exit skirt, is connected to the deflector chute of travelling apron.
5. the deashing device that gathers dust according to claim 4, is characterized in that, at the spaced apart block clearing door that is provided with in the pipeline side of duct set.
6. the deashing device that gathers dust according to claim 5, is characterized in that, dust stratification Guan Zhongshe flap valve, and dust stratification pipe lower end connects the ash-pit of leading on dust stratification conveyer.
7. according to the deashing device that gathers dust described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that, the vertical dust-precipitator that is provided with in dust stratification pipe top position, the angle of duct set and dust-precipitator is greater than 60 degree, and the air outlet of duct set is connected with the ventilation inlet of dust-precipitator by dust-collection air pipe.
8. according to the deashing device that gathers dust described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that, the interior bottom portion of duct set arranges a fluidisation airduct, and fluidisation airduct is metal tube, is drilled with densely covered circular hole on tube wall; Duct set be arranged in parallel outward one be equiped with blowing engine for airduct, establish many arms for interval on airduct and be connected with fluidisation airduct.
9. the deashing device that gathers dust according to claim 8, is characterized in that, the tube wall of described fluidisation airduct is wrapped with filter cloth, and filter cloth has fine wire mesh grid outward.
10. the deashing device that gathers dust according to claim 7, the interior bottom portion that it is characterized in that duct set arranges a fluidisation airduct, fluidisation airduct is metal tube, on tube wall, be drilled with the circular hole that densely covered diameter is 2mm, the tube wall of described fluidisation airduct is wrapped with filter cloth, and filter cloth has fine wire mesh grid outward; Duct set be arranged in parallel outward one be equiped with blowing engine for airduct, establish many arms for interval on airduct and be connected with fluidisation airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874393.XU CN203740540U (en) | 2013-12-26 | 2013-12-26 | Dust collecting and removing device of discharging and conveying system on bottom of large-size cement clinker storage shed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874393.XU CN203740540U (en) | 2013-12-26 | 2013-12-26 | Dust collecting and removing device of discharging and conveying system on bottom of large-size cement clinker storage shed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740540U true CN203740540U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874393.XU Expired - Fee Related CN203740540U (en) | 2013-12-26 | 2013-12-26 | Dust collecting and removing device of discharging and conveying system on bottom of large-size cement clinker storage shed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203740540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748065A (en) * | 2019-02-15 | 2019-05-14 | 北京凯盛建材工程有限公司 | A kind of rubber conveyer and its method for cleaning that can clear up return belt material leakage automatically |
| CN111807094A (en) * | 2020-06-29 | 2020-10-23 | 中信重工机械股份有限公司 | Device for reducing clinker silo bottom raise dust and using method thereof |
-
2013
- 2013-12-26 CN CN201320874393.XU patent/CN203740540U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748065A (en) * | 2019-02-15 | 2019-05-14 | 北京凯盛建材工程有限公司 | A kind of rubber conveyer and its method for cleaning that can clear up return belt material leakage automatically |
| CN111807094A (en) * | 2020-06-29 | 2020-10-23 | 中信重工机械股份有限公司 | Device for reducing clinker silo bottom raise dust and using method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20211226 |