CN109158291B - Screening device - Google Patents
Screening device Download PDFInfo
- Publication number
- CN109158291B CN109158291B CN201811022703.9A CN201811022703A CN109158291B CN 109158291 B CN109158291 B CN 109158291B CN 201811022703 A CN201811022703 A CN 201811022703A CN 109158291 B CN109158291 B CN 109158291B
- Authority
- CN
- China
- Prior art keywords
- screen
- dust remover
- dust
- frequency screen
- complex frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012216 screening Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 93
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a screening device, which comprises a complex frequency screen, a dust remover, an air inlet pipeline and an air purifying pipeline, wherein the complex frequency screen further comprises a screen box and a screen core, the screen core is positioned in the screen box, the screen box and the screen core are independently arranged, the dust remover is positioned at the rear end of the complex frequency screen, one end of the air inlet pipeline is communicated with the front end of the complex frequency screen, the other end of the air inlet pipeline is communicated with an air inlet of the dust remover, and the air inlet pipeline is used for extracting dust removed after screening of the complex frequency screen to enter the dust remover; one end of the air purifying pipeline is communicated with an air purifying outlet of the dust remover, and the other end of the air purifying pipeline is communicated with the outside and is used for discharging purified air; the lower end of the dust remover is provided with a dust removing outlet for discharging dust. By adopting the technical scheme of the invention, the environment-friendly requirement can be met, the occupied area is small, the installation and the debugging are convenient, and the air quantity can be saved.
Description
Technical Field
The invention relates to the technical field of screening, in particular to a screening device.
Background
Dry screening is a main process in the sorting industry and is widely applied to the sand and stone materials, construction waste, mine industry, metallurgical industry, coal industry and the like. However, dry screening directly brings about the problem of dust pollution. At present, centralized dust removal is adopted to solve the problem of dust overflow, or dust is directly and outdoors not treated.
Along with the increasing national environmental protection requirements, the emission concentration is increased from 30mg/m 3 to below 10mg/m 3, and the original concentrated dust removal and direct outdoor emission cannot meet the requirements. The original centralized dust remover needs to be modified, or the centralized dust remover meeting the requirements is directly replaced; there is no dust removing equipment, and a centralized dust remover meeting the requirement needs to be added.
However, the reconstruction and new construction of the centralized dust collector have the problems of high manufacturing cost, large reconstruction difficulty, large occupied area, low air quantity utilization rate and the like.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides a screening device which can meet the environmental protection requirement, has small occupied area, is convenient to install and debug and can save air quantity.
According to an aspect of the embodiment of the invention, there is provided a screening device, comprising a complex frequency screen, a dust remover, an air inlet pipeline and a clean air pipeline, wherein the complex frequency screen further comprises a screen box and a screen core, the screen core is positioned in the screen box, the screen box and the screen core are independently arranged, the dust remover is positioned at the rear end of the complex frequency screen,
One end of the air inlet pipeline is communicated with the front end of the multiple frequency screen, the other end of the air inlet pipeline is communicated with an air inlet of the dust remover, and the air inlet pipeline is used for extracting dust removed by the multiple frequency screen and enters the dust remover;
one end of the air purifying pipeline is communicated with an air purifying outlet of the dust remover, and the other end of the air purifying pipeline is communicated with the outside and is used for discharging purified air;
The lower end of the dust remover is provided with a dust removing outlet for discharging dust.
Further, one end of the air inlet pipeline is communicated with the front end of the multiple frequency screen box.
Further, the feeding bin is positioned above the complex frequency screen and is communicated with a feeding hole of the complex frequency screen, and the feeding bin is used for feeding materials to the complex frequency screen.
The multi-frequency screen is characterized by further comprising a screen belt, wherein a screen outlet is arranged at the upper part of the front end of the multi-frequency screen, and the screen outlet is connected with the screen belt through a chute and is used for guiding large particles obtained after screening materials into the screen belt through the chute from the screen outlet.
The multi-frequency sieve is characterized by further comprising an undersize material belt, wherein an undersize material outlet is arranged at the lower part of the front end of the multi-frequency sieve and connected with the undersize material belt through a chute, and small particles after sieving materials are led into the undersize material belt from the undersize material outlet through the chute.
Further, the fly ash outlet is connected to the undersize belt via a chute for directing fly ash from the fly ash outlet to the undersize belt via the chute.
Further, the system also comprises a programmable logic controller which is respectively connected with the complex frequency screen and the dust remover and used for controlling the start and stop of the complex frequency screen and the dust remover.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
1. Because the dust remover is arranged at the rear end of the complex frequency screen, the rear end of the complex frequency screen is generally a cloth or blind plate area, and the space is not occupied, which is equivalent to the space occupied by not adding the dust remover.
2. The screen box of the complex frequency screen is not involved in vibration, so that the complex frequency screen can be directly connected with a dust remover, and is convenient to install and debug.
3. The dust remover can solve the problem of dust overflow of the blanking points of the oversize materials and the undersize materials of the screening device.
4. The dust remover and the complex frequency screen are integrated, the distance from a dust removing point to the air inlet of the dust remover is shortest, and the problem of air quantity waste caused by overlong pipeline can be solved.
5. The complex frequency screen and the dust remover are controlled to start and stop by adopting a programmable logic controller (Programmable Logic Controller, PLC), so that the problem of air quantity waste caused by the continuous operation of the complex frequency screen is solved.
6. Dust collected by the dust remover is directly guided to the undersize belt without cleaning dust regularly.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view of a longitudinal structure of a screening apparatus in an embodiment of the present invention.
Fig. 2 is a schematic view of a lateral structure of a screening device in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and related applications, methods consistent with aspects of the invention as detailed in the accompanying claims.
Fig. 1 is a schematic view of a longitudinal structure of a screening apparatus in an embodiment of the present invention. Fig. 2 is a schematic view of a lateral structure of a screening device in an embodiment of the present invention. As shown in fig. 1 and 2, the screening apparatus includes an air intake duct 1, a feed bin 2, a multiple frequency screen 3, a clean air duct 4, a dust collector 5, an oversize belt, an undersize belt, and a programmable logic controller (not shown).
The feeding bin is positioned on the upper side of the complex frequency screen and is communicated with a feeding hole of the complex frequency screen and used for feeding materials to the complex frequency screen.
The multiple frequency screen further comprises a screen box and a screen core, the screen core is positioned in the screen box, the screen box and the screen core are independently arranged, and the dust remover is positioned at the rear end of the multiple frequency screen. Because the dust remover is arranged at the rear end of the complex frequency screen, the rear end of the complex frequency screen is generally a cloth or blind plate area, and the space is not occupied, which is equivalent to the space occupied by not adding the dust remover.
One end of the air inlet pipeline is communicated with the front end of the multiple frequency screen box, the other end of the air inlet pipeline is communicated with an air inlet of the dust remover, and the air inlet pipeline can extract the dust removed by the multiple frequency screen and enter the dust remover. The screen box of the complex frequency screen is not involved in vibration, so that the complex frequency screen can be directly connected with a dust remover, and is convenient to install and debug.
One end of the air purifying pipeline is communicated with an air purifying outlet of the dust remover, and the other end of the air purifying pipeline is communicated with the outside and can discharge purified air.
The lower extreme of dust remover sets up fly ash export 6, can discharge the fly ash, and the fly ash export is connected with the undersize material belt through the chute for guide into the undersize material belt through the chute with the fly ash from the fly ash export. Dust collected by the dust remover is directly guided to the undersize belt without cleaning dust regularly.
The upper part of the front end of the multiple frequency screen is provided with a screen material outlet 8, the screen material outlet is connected with a screen material belt through a chute, and large particles after screening materials are led into the screen material belt through the chute from the screen material outlet.
The lower part of the front end of the complex frequency sieve is provided with an undersize product outlet 7, the undersize product outlet is connected with an undersize product belt through a chute, and small particles after the material is sieved are guided into the undersize product belt through the chute from the undersize product outlet.
The dust remover can solve the problem of dust overflow of the screen material and the blanking point of the screen material of the screening device, and the dust remover and the multiple frequency screen are integrated into a whole, so that the distance from the dust removing point to the air inlet of the dust remover is shortest, and the problem of air quantity waste caused by overlong pipeline can be solved.
The programmable logic controller is respectively connected with the complex frequency sieve and the dust remover, and can control the start and stop of the complex frequency sieve and the dust remover. Thus, the problem of air quantity waste caused by continuous operation of the dust remover due to the suspension operation of the complex frequency screen can be solved
The following describes the use of the screening device described above.
The material enters the multiple frequency screen from the feed inlet of the multiple frequency screen through the feed bin, large particles are discharged from the oversize outlet after screening, the large particles are guided into the oversize belt through the chute, small particles are discharged from the undersize outlet, the small particles are guided into the undersize belt through the chute from the undersize outlet, dust enters the dust remover from the air inlet of the dust remover through the air inlet pipeline, purified air is discharged from the clean air outlet of the dust remover through the clean air pipeline to the outside, and dust is guided into the undersize belt through the chute from the dust outlet.
By adopting the embodiment, as the dust remover is arranged at the rear end of the complex frequency screen, the rear end of the complex frequency screen is generally a cloth or blind plate area, and the space is not occupied and is equivalent to the space occupied by not adding the dust remover; the screen box of the complex frequency screen is not involved in vibration, so that the complex frequency screen can be directly connected with a dust remover, and is convenient to install and debug; the dust remover can solve the problem of dust overflow of the blanking points of the oversize materials and the undersize materials of the screening device; the dust remover and the complex frequency screen are integrated, the distance from a dust removing point to the air inlet of the dust remover is shortest, and the problem of air quantity waste caused by overlong pipelines can be solved; the complex frequency screen and the dust remover are controlled to start and stop by adopting a programmable logic controller, so that the problem of air quantity waste caused by the fact that the complex frequency screen is suspended to operate and the dust remover is continuously operated is solved; dust collected by the dust remover is directly guided to the undersize belt without cleaning dust regularly.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (2)
1. The screening device is characterized by comprising a complex frequency screen, a dust remover, an air inlet pipeline and an air purifying pipeline, wherein the complex frequency screen further comprises a screen box and a screen core, the screen core is positioned in the screen box, the screen box and the screen core are independently arranged, the dust remover is positioned at the rear end of the complex frequency screen,
One end of the air inlet pipeline is communicated with the front end of the multiple frequency screen, the other end of the air inlet pipeline is communicated with an air inlet of the dust remover, and the air inlet pipeline is used for extracting dust removed by the multiple frequency screen and enters the dust remover, wherein one end of the air inlet pipeline is communicated with the front end of the multiple frequency screen box;
one end of the air purifying pipeline is communicated with an air purifying outlet of the dust remover, and the other end of the air purifying pipeline is communicated with the outside and is used for discharging purified air;
The lower end of the dust remover is provided with a dust removing outlet for discharging dust;
The feeding bin is positioned above the complex frequency screen, is communicated with a feeding hole of the complex frequency screen and is used for throwing materials into the complex frequency screen;
The multi-frequency screen is characterized by further comprising a screen material belt, wherein a screen material outlet is arranged at the upper part of the front end of the multi-frequency screen, and is connected with the screen material belt through a chute and used for guiding large particles obtained after screening materials into the screen material belt through the chute from the screen material outlet;
The multi-frequency screen is characterized by further comprising an undersize belt, an undersize outlet is arranged at the lower part of the front end of the multi-frequency screen, the undersize outlet is connected with the undersize belt through a chute and used for guiding small particles after screening materials into the undersize belt through the chute from the undersize outlet, and a dedusting ash outlet is connected with the undersize belt through the chute and used for guiding dedusting ash from the dedusting ash outlet into the undersize belt through the chute.
2. The screening apparatus of claim 1, further comprising a programmable logic controller coupled to the complex frequency screen and the dust collector, respectively, for controlling the start and stop of the complex frequency screen and the dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022703.9A CN109158291B (en) | 2018-09-03 | 2018-09-03 | Screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022703.9A CN109158291B (en) | 2018-09-03 | 2018-09-03 | Screening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109158291A CN109158291A (en) | 2019-01-08 |
| CN109158291B true CN109158291B (en) | 2024-05-17 |
Family
ID=64893949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811022703.9A Active CN109158291B (en) | 2018-09-03 | 2018-09-03 | Screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109158291B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010088626A (en) * | 2001-08-14 | 2001-09-28 | 이칠성 | Dry elevation vibrating screen and sorting process of vibrating screen |
| CN201108891Y (en) * | 2007-10-19 | 2008-09-03 | 河南太行全利(集团)有限公司 | Multifunctional screening device |
| CN101412023A (en) * | 2008-11-07 | 2009-04-22 | 华侨大学 | Novel vibrating probability screen with wind-blowing mechanism |
| CN101999742A (en) * | 2010-09-20 | 2011-04-06 | 江苏牧羊集团有限公司 | Grinding machining system |
| CN104249059A (en) * | 2013-06-25 | 2014-12-31 | 湖北叶威粮油机械有限公司 | Cleaning sieve |
| CN204320647U (en) * | 2014-11-20 | 2015-05-13 | 浙江双金机械集团股份有限公司 | Linear vibrating screen underneath type dust pelletizing system |
| CN204687097U (en) * | 2015-05-28 | 2015-10-07 | 山东联邦重工有限公司 | A kind of energy-conserving and environment-protective dry method sand system |
| CN204974117U (en) * | 2015-08-18 | 2016-01-20 | 吉林富利生物科技开发有限公司 | System for improve plant source calcium hydrogen phosphate bulk density |
| CN205056467U (en) * | 2015-09-14 | 2016-03-02 | 石家庄三立谷物精选机械有限公司 | Compound selection vehicle |
| TWM560948U (en) * | 2018-01-11 | 2018-06-01 | Henan Winner Vibrating Equipment Co Ltd | Integrated moving and low-level calibration and screening device |
| CN207655298U (en) * | 2017-12-10 | 2018-07-27 | 辽宁调兵山煤矸石发电有限责任公司 | For the defeated coal Screening and crushing system in station fine crushing |
| CN209049693U (en) * | 2018-09-03 | 2019-07-02 | 河南威猛振动设备股份有限公司 | A kind of screening plant |
-
2018
- 2018-09-03 CN CN201811022703.9A patent/CN109158291B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010088626A (en) * | 2001-08-14 | 2001-09-28 | 이칠성 | Dry elevation vibrating screen and sorting process of vibrating screen |
| CN201108891Y (en) * | 2007-10-19 | 2008-09-03 | 河南太行全利(集团)有限公司 | Multifunctional screening device |
| CN101412023A (en) * | 2008-11-07 | 2009-04-22 | 华侨大学 | Novel vibrating probability screen with wind-blowing mechanism |
| CN101999742A (en) * | 2010-09-20 | 2011-04-06 | 江苏牧羊集团有限公司 | Grinding machining system |
| CN104249059A (en) * | 2013-06-25 | 2014-12-31 | 湖北叶威粮油机械有限公司 | Cleaning sieve |
| CN204320647U (en) * | 2014-11-20 | 2015-05-13 | 浙江双金机械集团股份有限公司 | Linear vibrating screen underneath type dust pelletizing system |
| CN204687097U (en) * | 2015-05-28 | 2015-10-07 | 山东联邦重工有限公司 | A kind of energy-conserving and environment-protective dry method sand system |
| CN204974117U (en) * | 2015-08-18 | 2016-01-20 | 吉林富利生物科技开发有限公司 | System for improve plant source calcium hydrogen phosphate bulk density |
| CN205056467U (en) * | 2015-09-14 | 2016-03-02 | 石家庄三立谷物精选机械有限公司 | Compound selection vehicle |
| CN207655298U (en) * | 2017-12-10 | 2018-07-27 | 辽宁调兵山煤矸石发电有限责任公司 | For the defeated coal Screening and crushing system in station fine crushing |
| TWM560948U (en) * | 2018-01-11 | 2018-06-01 | Henan Winner Vibrating Equipment Co Ltd | Integrated moving and low-level calibration and screening device |
| CN209049693U (en) * | 2018-09-03 | 2019-07-02 | 河南威猛振动设备股份有限公司 | A kind of screening plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109158291A (en) | 2019-01-08 |
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