CN110950110A - Dust removal device capable of removing accumulated materials at dead angles of conveying pipeline on line - Google Patents
Dust removal device capable of removing accumulated materials at dead angles of conveying pipeline on line Download PDFInfo
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- CN110950110A CN110950110A CN201911136756.8A CN201911136756A CN110950110A CN 110950110 A CN110950110 A CN 110950110A CN 201911136756 A CN201911136756 A CN 201911136756A CN 110950110 A CN110950110 A CN 110950110A
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- square
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- pipe
- rotary valve
- pneumatic
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- 239000000428 dust Substances 0.000 title claims abstract description 81
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a dust removal device capable of removing accumulated materials at dead corners of a conveying pipeline on line, and aims to provide a dust removal device with high safety. The device comprises two cyclone dust collectors, two first pneumatic conveying pumps, two buffer bins, a square tube, a first pneumatic rotary valve, a first round tube, a second pneumatic rotary valve, a square-to-round joint, a square box, a second round tube, a round-to-square chute, a bag-type dust collector, a second pneumatic conveying pump and a PLC (programmable logic controller); the two buffer bins are respectively arranged on the discharge ports at the lower ends of the two cyclone dust collectors; the two first pneumatic conveying pumps are respectively arranged at the lower ends of the two buffer bins; the second pneumatic conveying pump is arranged on a discharge port at the lower end of the bag-type dust collector; the air outlets of the two cyclone dust collectors are communicated with the left end of the square box, and the right end of the round-to-square chute is fixedly connected with the air inlet of the bag-type dust collector; two ends of the second round pipe are respectively communicated with the right end of the square box and the left end of the round-to-square chute; the upper end of the square-to-round joint is fixedly connected and communicated with the lower end of the square box.
Description
Technical Field
The invention relates to the technical field of dust conveying equipment, in particular to a dust removal device capable of removing accumulated materials at dead corners of a conveying pipeline on line.
Background
Dust removing devices in the domestic and foreign cement industry and the drying industry generally adopt a cyclone dust collector as coarse dust removal and a cloth bag dust collector as final dust removal, as shown in an attached figure 1. The connection of the cyclone dust collector and the bag-type dust collector generally adopts a pipeline connection, the dust in the connecting pipeline is fine, and the temperature: between 100 ℃ and 120 ℃, flow rate: 10-15m/s, and dust accumulation is easily caused at dead angles between the outlet of the cyclone dust collector (A in figure 1) and the inlet of the bag-type dust collector (B in figure 1). If the accumulated dust has the risks of spontaneous combustion and explosion in the pipeline for a long time, the dust removal efficiency is also reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a dust removal device capable of improving the safety and reliability of equipment.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a dust removal device capable of removing accumulated materials at dead corners of a conveying pipeline on line comprises two cyclone dust collectors, two first pneumatic conveying pumps, two buffer bins, a square tube, a first pneumatic rotary valve, a first round tube, a second pneumatic rotary valve, a square-to-round joint, a square box, a second round tube, a round-to-square chute, a bag-type dust collector, a second pneumatic conveying pump and a PLC (programmable logic controller); the two buffer bins are respectively arranged on the discharge ports at the lower ends of the two cyclone dust collectors; the two first pneumatic conveying pumps are respectively arranged at the lower ends of the two buffer bins; the second pneumatic conveying pump is arranged on a discharge port at the lower end of the bag-type dust collector; the air outlets of the two cyclone dust collectors are communicated with the left end of the square box, and the right end of the round-to-square chute is fixedly connected with the air inlet of the bag-type dust collector; two ends of the second round pipe are respectively communicated with the right end of the square box and the left end of the round-to-square chute; the upper end of the square-to-round joint is fixedly connected and communicated with the lower end of the square box; the lower end of the square tube is fixedly connected and communicated with one of the buffer bins; the first pneumatic rotary valve is arranged at the lower end of the first round pipe, the second pneumatic rotary valve is arranged at the upper end of the first round pipe, the upper end of the first round pipe is connected with the lower end of the square-to-round joint, and the lower end of the first round pipe is connected with the upper end of the square pipe; and the PLC is electrically connected with the first pneumatic rotary valve and the second pneumatic rotary valve respectively.
Preferably, the inclination of the square pipe section of the circular-rotating square chute is not less than the inclination of the wall surface of the lower conical section of the bag-type dust collector.
Preferably, both ends of the square-to-round joint are respectively connected with the square box and the first round pipe through flanges.
Preferably, both ends of the square pipe are respectively connected with the first round pipe and the buffer bin through flanges.
Preferably, the left side and the right side of the square box are respectively connected with the cyclone dust collector and the second circular tube through flanges.
Compared with the prior art, the invention has the following advantages:
the invention can effectively remove the accumulated materials at the dead corners in the dust conveying pipeline in the production process, the removal rate of the accumulated materials at the dead corners of the dust conveying pipeline can reach more than 98 percent, the conveying yield can be increased, the labor intensity of workers can be reduced, the workshop environment can be improved, and the production safety risk can be reduced. The invention has the popularization, and particularly has good market prospect for the application of relevant equipment in the industries such as metallurgy, coal chemical industry, building and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a conventional dust removing device.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a top view of fig. 2.
The device comprises a cyclone dust collector 1, a first pneumatic conveying pump 2, a buffer bin 3, a square tube 4, a pneumatic rotary valve 5, a first round tube 6, a second pneumatic rotary valve 7, a square-to-round joint 8, a square box 9, a second round tube 10, a round-to-square elephant trunk 11, a bag-type dust collector 12, a second pneumatic conveying pump 13, a PLC (programmable logic controller) 14 and a finished product bin 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention. In the following description, for the purpose of clearly illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by way of directional terms, but terms such as "front", "rear", "left", "right", "up", "down", etc. should be construed as words of convenience and should not be construed as limiting terms.
The dust removal device capable of removing the accumulated materials at the dead corners of the conveying pipeline on line shown in fig. 2-3 comprises two cyclone dust collectors 1, two first pneumatic conveying pumps 2, two buffer bins 3, a square tube 4, a first pneumatic rotary valve 5, a first circular tube 6, a second pneumatic rotary valve 7, a square-to-round joint 8, a square box 9, a second circular tube 10, a round-to-square chute 11, a bag-type dust collector 12, a second pneumatic conveying pump 13 and a PLC controller 14; the two buffer bins 3 are respectively arranged on the discharge openings at the lower ends of the two cyclone dust collectors 1; the two first pneumatic conveying pumps 2 are respectively arranged at the lower ends of the two buffer bins 3; the second pneumatic conveying pump 13 is arranged on a discharge port at the lower end of the bag-type dust collector 12; the method is characterized in that: the air outlets of the two cyclone dust collectors 1 are communicated with the left end of the square box 9, and the right end of the round-rotating square chute 11 is fixedly connected with the air inlet of the bag-type dust collector 12; two ends of the second round pipe 10 are respectively communicated with the right end of the square box 9 and the left end of the round-to-square chute 11; the upper end of the square-to-round joint 8 is fixedly connected and communicated with the lower end of the square box 9; the lower end of the square tube 4 is fixedly connected and communicated with one of the buffer bins 3; the first pneumatic rotary valve 5 is installed at the lower end of a first circular tube 6, the second pneumatic rotary valve 7 is installed at the upper end of the first circular tube 6, the upper end of the first circular tube 6 is connected with the lower end of a square-to-round joint 8, and the lower end of the first circular tube 6 is connected with the upper end of a square tube 4; the PLC controller 14 is electrically connected to the first pneumatic rotary valve 5 and the second pneumatic rotary valve 7, respectively.
In this embodiment, the inclination of the square pipe section of the circular-to-square chute 11 is not less than the inclination of the wall surface of the lower conical section of the bag-type dust collector 12, so that dust accumulation can be effectively avoided. The two ends of the square-to-round joint 8 are respectively connected with the square box 9 and the first round pipe 6 through flanges. The both ends of square pipe 4 are connected with first pipe 6 and surge bin 3 through the flange respectively. The left side and the right side of the square box 9 are respectively connected with the cyclone dust collector 1 and the second round pipe 10 through flanges.
The powdery material from the drying and upgrading system enters a cyclone dust collector, the whole process from the dust collector to the desulfurization system is in a negative pressure working state, the dried and upgraded powdery material is coarsely separated by the cyclone dust collector and then enters a bag-type dust collector, the cyclone dust collector 1 and a first pneumatic conveying pump 2 are used for separating and conveying the coarser material in the dust, and the coarser material is conveyed to a finished product bin 20 by the first pneumatic conveying pump 2; the buffer bin 3 is used for buffering the coarse materials separated by the cyclone dust collector 1. The square pipe 4 is used for slipping the accumulated powder discharged by the first pneumatic rotary valve 5 and the second pneumatic rotary valve 7 into the buffer bin 3; the first pneumatic rotary valve 5 and the second pneumatic rotary valve 7 are switched alternately to realize the air locking function of the circular tube 6; the square-to-round joint 8 is used for accumulating materials in dead corners of the conveying pipeline cleaned by the cache; the square box 9 is used for transitionally connecting the outlet of the cyclone dust collector 1 with the second round pipe 10 and expanding the sectional area of a conveying pipeline so as to reduce the flow velocity of dust and ensure that the part with larger particle size of the dust is settled without being brought into the pipeline of the round pipe 10 to be deposited. The second circular tube 10 is used for conveying the fine powder separated by the cyclone dust collector 1 to the bag-type dust collector 12 for further gas and fine separation; the round rotating square chute 11 can prevent powder from the round tube 10 from accumulating at the inlet of the bag-type dust collector 12; the second pneumatic conveying pump 13 is used for conveying the fine powder separated by the bag-type dust collector 12 into the finished product bin 20; PLC controller 14 is used for controlling first pneumatic rotary valve 5 and the pneumatic rotary valve 7 of second, after dust collector work a period, the square changes round joint 8 and has certain dust accumulation, PLC controller 14 control second pneumatic rotary valve 7 is opened, put into first pipe 6 with the dust in the square changes round joint 8, PLC controller 14 control second pneumatic rotary valve 7 is closed after that, and control first pneumatic rotary valve 5 and open, put into surge bin 4 with the dust in the first pipe 6, realize automatic clear pipeline dead angle long-pending material and arrange the material function then.
The circuits, electronic components and controllers involved in the present invention are all prior art and can be implemented completely by those skilled in the art without much notice. At the same time, the present invention does not involve software and method modifications.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made on the technical solutions or parts of the technical features described in the above embodiments can be included in the scope of protection of the present invention within the spirit and principle of the present invention.
Claims (5)
1. A dust removal device capable of removing accumulated materials at dead angles of a conveying pipeline on line comprises two cyclone dust collectors (1), two first pneumatic conveying pumps (2), two buffer bins (3), a square tube (4), a first pneumatic rotary valve (5), a first circular tube (6), a second pneumatic rotary valve (7), a square-to-round joint (8), a square box (9), a second circular tube (10), a round-to-square chute (11), a bag-type dust collector (12), a second pneumatic conveying pump (13) and a PLC (programmable logic controller) (14); the two buffer bins (3) are respectively arranged on the discharge openings at the lower ends of the two cyclone dust collectors (1); the two first pneumatic conveying pumps (2) are respectively arranged at the lower ends of the two buffer bins (3); the second pneumatic conveying pump (13) is arranged on a discharge port at the lower end of the bag-type dust collector (12); the method is characterized in that: the air outlets of the two cyclone dust collectors (1) are communicated with the left end of the square box (9), and the right end of the round-rotating square chute (11) is fixedly connected with the air inlet of the bag-type dust collector (12); two ends of the second round pipe (10) are respectively communicated with the right end of the square box (9) and the left end of the round-to-square chute (11); the upper end of the square-to-round joint (8) is fixedly connected and communicated with the lower end of the square box (9); the lower end of the square pipe (4) is fixedly connected and communicated with one of the buffer bins (3); the first pneumatic rotary valve (5) is installed at the lower end of the first circular pipe (6), the second pneumatic rotary valve (7) is installed at the upper end of the first circular pipe (6), the upper end of the first circular pipe (6) is connected with the lower end of the square-to-round joint (8), and the lower end of the first circular pipe (6) is connected with the upper end of the square pipe (4); and the PLC (14) is respectively and electrically connected with the first pneumatic rotary valve (5) and the second pneumatic rotary valve (7).
2. The dust removal device capable of removing the accumulated materials at the dead corners of the conveying pipeline on line according to claim 1 is characterized in that: the inclination of the square pipe section of the circular-rotating square chute (11) is not less than the inclination of the wall surface of the lower conical section of the bag-type dust collector (12).
3. The dust removal device capable of removing the accumulated materials at the dead corners of the conveying pipelines on line according to claim 1 or 2, is characterized in that: the two ends of the square-to-round joint (8) are respectively connected with the square box (9) and the first round pipe (6) through flanges.
4. The dust removal device capable of removing the accumulated materials at the dead corners of the conveying pipelines on line according to claim 1 or 2, is characterized in that: the two ends of the square pipe (4) are respectively connected with the first round pipe (6) and the buffer bin (3) through flanges.
5. The dust removal device capable of removing the accumulated materials at the dead corners of the conveying pipelines on line according to claim 1 or 2, is characterized in that: the left side and the right side of the square box (9) are respectively connected with the cyclone dust collector (1) and the second round pipe (10) through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136756.8A CN110950110B (en) | 2019-11-19 | 2019-11-19 | Dust collector that can clear away conveying pipeline dead angle long-pending material on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911136756.8A CN110950110B (en) | 2019-11-19 | 2019-11-19 | Dust collector that can clear away conveying pipeline dead angle long-pending material on line |
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| Publication Number | Publication Date |
|---|---|
| CN110950110A true CN110950110A (en) | 2020-04-03 |
| CN110950110B CN110950110B (en) | 2024-08-20 |
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2019
- 2019-11-19 CN CN201911136756.8A patent/CN110950110B/en active Active
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| CN110950110B (en) | 2024-08-20 |
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