CN114669394A - Centralized biomass fuel material loading of environmental protection, screening and negative pressure dust collection system - Google Patents
Centralized biomass fuel material loading of environmental protection, screening and negative pressure dust collection system Download PDFInfo
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- CN114669394A CN114669394A CN202210320720.0A CN202210320720A CN114669394A CN 114669394 A CN114669394 A CN 114669394A CN 202210320720 A CN202210320720 A CN 202210320720A CN 114669394 A CN114669394 A CN 114669394A
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- inlet
- screening
- pneumatic
- outlet
- biomass fuel
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- 239000000428 dust Substances 0.000 title claims abstract description 60
- 238000012216 screening Methods 0.000 title claims abstract description 46
- 239000002028 Biomass Substances 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 title claims description 8
- 230000007613 environmental effect Effects 0.000 title claims description 5
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 239000006148 magnetic separator Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Landscapes
- Air Transport Of Granular Materials (AREA)
- Cyclones (AREA)
Abstract
The invention discloses an environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system, which comprises a discharging room, a blanking gate, a pneumatic feeder, a conveying pipeline, a pneumatic screening device, a cyclone dust collector, a bag-type dust collector and a vacuum pump, wherein the blanking gate is arranged on the discharging room; the export between unloading is linked together with the entry of pneumatic feeder, the export of pneumatic feeder is linked together with the entry of conveying pipeline, the export of conveying pipeline is linked together with the entry of pneumatic screening device, the top exhaust outlet of pneumatic screening device is linked together with cyclone's entry, cyclone's top export is linked together with the entry of sack cleaner, the air outlet of sack cleaner is linked together through vacuum pump and external atmosphere, raise dust can be avoided appearing in the factory building to this system, simultaneously have with low costs, occupation space is little and the higher characteristics of reliability.
Description
Technical Field
The invention belongs to the field of biomass fuel transportation, and relates to an environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collection system.
Background
The biomass blending combustion technology is started later in China and is mature in foreign application. The complete biomass blending combustion material conveying system comprises an unloading unit, a screening unit, a silo storage unit, a stokehole silo, a powder making unit, a biomass powder conveying and coupling unit, conveying equipment among the units and the like. At present, for the discharging unit, the screening unit and the conveying equipment, the scheme adopted at home and abroad is as follows: the biomass fuel firstly enters an unloading unit, then is sent to a trestle through a screw conveyer, then is transported to a screening unit through the trestle, the screened impurities are stored in a centralized way, and the fuel is continuously transported to a silo storage unit through the trestle.
Because the unloading unit, the conveying trestle and the screening unit are all operated in open space, the biomass fuel can raise dust in the unloading, conveying and screening processes, so that dust emission and environmental pollution are caused. The prior art for this problem is: building a closed steel structure workshop for the unloading unit and the screening unit, and building a closed channel for the conveying trestle; each unit is provided with a centralized dust removal device, and dust suction points are arranged along the way. These measures can alleviate the pollution of the dust to the atmosphere to some extent, but still have the following disadvantages:
(1) raised dust still exists in the plant, and the point position dust collection effect is limited;
(2) a trestle conveying channel needs to be reserved with a manual overhaul channel, so that the occupied space is large, and the trestle conveying channel cannot turn;
(3) the discharging unit and the screening unit are far away from each other, two sets of centralized dust removing devices need to be independently arranged, and the cost is high.
In addition, a spiral conveyor and a conveying trestle in the system are used as mechanical rotating parts, are easy to wear and break down, need frequent maintenance and repair and reduce the reliability of the system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system, which can avoid flying dust in a factory building and has the characteristics of low cost, small occupied space and high reliability.
In order to achieve the purpose, the environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system comprises a discharging room, a blanking gate, a pneumatic feeder, a conveying pipeline, a pneumatic screening device, a cyclone dust collector, a bag-type dust collector and a vacuum pump;
the outlet of the discharging room is communicated with the inlet of the pneumatic feeder, the outlet of the pneumatic feeder is communicated with the inlet of the conveying pipeline, the outlet of the conveying pipeline is communicated with the inlet of the pneumatic screening device, the exhaust outlet at the top of the pneumatic screening device is communicated with the inlet of the cyclone dust collector, the outlet at the top of the cyclone dust collector is communicated with the inlet of the bag-type dust collector, and the air outlet of the bag-type dust collector is communicated with the external atmosphere through the vacuum pump.
The outlet of the discharging room is communicated with the inlet of the pneumatic feeder through the blanking gate.
An air inlet of the pneumatic feeder is provided with an air inlet valve.
The device also comprises a waste recovery box; an impurity outlet of the pneumatic screening device is communicated with an inlet of the waste recovery box through a first electric discharge valve.
The magnetic separator is also included; the biomass fuel outlet of the pneumatic screening device is communicated with the inlet of the magnetic separator through a second electric discharge valve.
The bottom outlet of the cyclone separator is communicated with the inlet of the magnetic separator through a third electric discharge valve.
The discharge port of the bag-type dust collector is communicated with the inlet of the magnetic separator through a fourth electric discharge valve.
The outlet of the pneumatic feeder is communicated with the inlet of the pneumatic screening device through a material conveying pipeline.
The invention has the following beneficial effects:
the environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system provided by the invention has the advantages that when the system is operated specifically, a pneumatic feeder is used for replacing a transmission screw conveyor and a transmission trestle, so that mechanical rotating parts are avoided, the system is not easy to wear, the maintenance and repair amount is low, the operation reliability is high, meanwhile, full-sealed transmission is adopted, pollution is avoided, in addition, the pneumatic screening device is used for carrying out gas-solid two-phase separation, the separated exhaust gas is discharged to the atmosphere through a vacuum pump after passing through a cyclone dust collector and a bag-type dust collector through a pipeline, the environment is not polluted, in addition, the flying dust in a factory can be avoided, and the system has the characteristics of low cost, small occupied space and higher reliability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is the unloading room, 2 is the blanking floodgate, 3 is the air intake valve, 4 is the air feeder, 5 is the conveying pipeline, 6 is the air screening plant, 7 is first electronic discharge valve, 8 is the waste recycling bin, 9 is the magnet separator, 10 is second electronic discharge valve, 11 is cyclone, 12 is third electronic discharge valve, 13 is the sack cleaner, 14 is fourth electronic discharge valve, 15 is the vacuum pump.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system of the present invention includes a discharging room 1, a blanking gate 2, an inlet valve 3, a pneumatic feeder 4, a material conveying pipeline 5, a pneumatic screening device 6, a first electric discharging valve 7, a waste recycling bin 8, a magnetic separator 9, a second electric discharging valve 10, a cyclone dust collector 11, a third electric discharging valve 12, a bag-type dust collector 13, a fourth electric discharging valve 14 and a vacuum pump 15;
an outlet of the discharging room 1 is communicated with an inlet of a pneumatic feeder 4 through a blanking gate 2, an outlet of the pneumatic feeder 4 is communicated with an inlet of a pneumatic screening device 6 through a conveying pipeline 5, an air inlet of the pneumatic feeder 4 is provided with an air inlet valve 3, an impurity outlet of the pneumatic screening device 6 is communicated with an inlet of a waste recovery box 8 through a first electric discharge valve 7, a biomass fuel outlet of the pneumatic screening device 6 is communicated with an inlet of a magnetic separator 9 through a second electric discharge valve 10, a top exhaust gas outlet of the pneumatic screening device 6 is communicated with an inlet of a cyclone dust collector 11, a top outlet of the cyclone dust collector 11 is communicated with an inlet of a bag-type dust collector 13, an air outlet of the bag-type dust collector 13 is communicated with the external atmosphere through a vacuum pump 15, a bottom outlet of the cyclone dust collector is communicated with an inlet of the magnetic separator 9 through a third electric discharge valve 12, and a discharging port of the bag-type dust collector 13 is communicated with an inlet of the magnetic separator 9 through a fourth electric discharge valve 14.
The specific working process of the invention is as follows:
the external biomass fuel is stored in the unloading room 1, when transportation is needed, the inlet valve 3 is opened, the vacuum pump 15 is operated, and a negative pressure air source is generated; the biomass fuel falls into a pneumatic feeder 4 through a blanking gate 2, is carried by high-speed airflow entering from an inlet valve 3, enters a pneumatic screening device 6 through a conveying pipeline 5 to be subjected to gas-solid two-phase separation, wherein separated exhaust gas is discharged to the atmosphere through a vacuum pump 15 after passing through a cyclone dust collector 11 and a bag-type dust collector 13 through pipelines, separated biomass fuel dust enters a magnetic separator 9 through a second electric discharge valve 10 to be subjected to iron removal, then enters a conveying device at the lower part, then enters an external silo storage unit, and large impurities in discharged materials are separated and then enter a waste recovery box 8 through a first electric discharge valve 7.
It should be noted that, the first electric discharge valve 7, the second electric discharge valve 10, the third electric discharge valve 12 and the fourth electric discharge valve 14 ensure the sealing property while discharging at a constant speed, which is helpful for establishing and maintaining negative pressure in the system equipment, after the biomass fuel is conveyed in the discharging room 1, the intake valve 3 is closed, and the vacuum pump 15 maintains low-speed operation, so that the system keeps a micro-negative pressure state, thereby reducing power consumption, facilitating starting at any time, and purifying the production environment of the discharging unit and the screening unit.
It should be noted that the present invention has the following features:
1) the pneumatic feeder 4 and the material conveying pipeline 5 are used for replacing a screw conveyor and a conveying trestle, mechanical rotating parts are omitted, abrasion is not easy to occur, maintenance and overhaul quantity is low, and operation reliability is high;
2) the conveying pipeline 5 occupies small area, can turn, is flexibly arranged and is free from maintenance;
3) the system adopts negative pressure conveying, the unloading room 1, the pneumatic feeder 4 and the conveying pipeline 5 are kept in a negative pressure state, no dust leakage exists, and a centralized dust removal device of an unloading unit is omitted;
4) the screening unit is integrated with the negative pressure dust collecting system, a centralized dust removing device does not need to be additionally arranged, and an operation interface can be provided for a workshop needing dust removal nearby.
Claims (8)
1. An environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collection system is characterized by comprising a discharging room (1), a blanking gate (2), a pneumatic feeder (4), a conveying pipeline (5), a pneumatic screening device (6), a cyclone dust collector (11), a bag-type dust collector (13) and a vacuum pump (15);
the outlet of the discharging room (1) is communicated with the inlet of the pneumatic feeder (4), the outlet of the pneumatic feeder (4) is communicated with the inlet of the conveying pipeline (5), the outlet of the conveying pipeline (5) is communicated with the inlet of the pneumatic screening device (6), the exhaust gas outlet at the top of the pneumatic screening device (6) is communicated with the inlet of the cyclone dust collector (11), the outlet at the top of the cyclone dust collector (11) is communicated with the inlet of the bag-type dust collector (13), and the air outlet of the bag-type dust collector (13) is communicated with the outside atmosphere through the vacuum pump (15).
2. An environmental centralized biomass fuel loading, screening and negative pressure dust collecting system according to claim 1, wherein the outlet of the unloading chamber (1) is connected to the inlet of the air feeder (4) through the blanking gate (2).
3. The environmental centralized biomass fuel feeding, screening and negative pressure dust collecting system according to claim 1, wherein the air inlet of the air feeder (4) is provided with an air inlet valve (3).
4. An environmentally centralized biomass fuel loading, screening and negative pressure dust collection system of claim 1, further comprising a waste recovery tank (8); an impurity outlet of the pneumatic screening device (6) is communicated with an inlet of a waste recovery box (8) through a first electric discharge valve (7).
5. The environmental centralized biomass fuel feeding, screening and negative pressure dust collecting system of claim 1, further comprising a magnetic separator (9); the biomass fuel outlet of the pneumatic screening device (6) is communicated with the inlet of the magnetic separator (9) through a second electric discharge valve (10).
6. An environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system according to claim 5, wherein the bottom outlet of the cyclone separator is connected to the inlet of the magnetic separator (9) through a third electric discharge valve (12).
7. An environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system according to claim 5, wherein the discharge port of the bag-type dust collector (13) is connected to the inlet of the magnetic separator (9) through a fourth electric discharge valve (14).
8. The system according to claim 1, wherein the outlet of the air feeder (4) is connected to the inlet of the air sieving device (6) via a material conveying pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320720.0A CN114669394B (en) | 2022-03-29 | 2022-03-29 | Environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320720.0A CN114669394B (en) | 2022-03-29 | 2022-03-29 | Environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114669394A true CN114669394A (en) | 2022-06-28 |
| CN114669394B CN114669394B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210320720.0A Active CN114669394B (en) | 2022-03-29 | 2022-03-29 | Environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN114669394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871243A (en) * | 2022-07-11 | 2022-08-09 | 唐山神州机械集团有限公司 | Container formula material recovery processing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0412216D0 (en) * | 2004-05-29 | 2004-07-07 | Fairport Engineering Group Ltd | Biomass material |
| CN204529764U (en) * | 2015-02-09 | 2015-08-05 | 杭州市特种设备检测研究院 | A kind of biogas fluidized bed gasification producing synthesis gas small test device |
| CN205655283U (en) * | 2016-05-20 | 2016-10-19 | 安徽上元新型家居材料有限公司 | Environment -friendly biomass fuel combustor |
| CN205948567U (en) * | 2016-06-30 | 2017-02-15 | 兴化市热华能源有限公司 | Be applied to biofuel's negative pressure discharging equipment |
| CN206935014U (en) * | 2017-06-13 | 2018-01-30 | 厦门汇科天工净化科技有限公司 | A kind of biomass fuel boiler dust pelletizing system |
| CN206985167U (en) * | 2017-07-19 | 2018-02-09 | 鲁选民 | A kind of mixing air-transport system for rice husk removal of impurities |
| CN108163551A (en) * | 2017-12-08 | 2018-06-15 | 北京神雾电力科技有限公司 | Low order fine coal air-transport system |
-
2022
- 2022-03-29 CN CN202210320720.0A patent/CN114669394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0412216D0 (en) * | 2004-05-29 | 2004-07-07 | Fairport Engineering Group Ltd | Biomass material |
| CN204529764U (en) * | 2015-02-09 | 2015-08-05 | 杭州市特种设备检测研究院 | A kind of biogas fluidized bed gasification producing synthesis gas small test device |
| CN205655283U (en) * | 2016-05-20 | 2016-10-19 | 安徽上元新型家居材料有限公司 | Environment -friendly biomass fuel combustor |
| CN205948567U (en) * | 2016-06-30 | 2017-02-15 | 兴化市热华能源有限公司 | Be applied to biofuel's negative pressure discharging equipment |
| CN206935014U (en) * | 2017-06-13 | 2018-01-30 | 厦门汇科天工净化科技有限公司 | A kind of biomass fuel boiler dust pelletizing system |
| CN206985167U (en) * | 2017-07-19 | 2018-02-09 | 鲁选民 | A kind of mixing air-transport system for rice husk removal of impurities |
| CN108163551A (en) * | 2017-12-08 | 2018-06-15 | 北京神雾电力科技有限公司 | Low order fine coal air-transport system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871243A (en) * | 2022-07-11 | 2022-08-09 | 唐山神州机械集团有限公司 | Container formula material recovery processing system |
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| CN114669394B (en) | 2024-05-07 |
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