CN209549074U - One kind being used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production - Google Patents
One kind being used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production Download PDFInfo
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- CN209549074U CN209549074U CN201920134657.5U CN201920134657U CN209549074U CN 209549074 U CN209549074 U CN 209549074U CN 201920134657 U CN201920134657 U CN 201920134657U CN 209549074 U CN209549074 U CN 209549074U
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- 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
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Abstract
The utility model discloses one kind to be used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, including the cyclone dust collectors being sequentially communicated, filter cartridge dust remover, ultra-purify air clarifier and air-introduced machine, cyclone dust collectors air intake is provided with the thermocouple to detect flue dust temperature value, and there are three longitudinally disposed temperature-dropping fans for installation on cyclone dust collectors, the outlet air end of cyclone dust collectors is connected by pipeline with the air intake of filter cartridge dust remover, the outlet air end of filter cartridge dust remover connects the air intake of ultra-purify air clarifier by pipeline, the outlet air end of ultra-purify air clarifier connects air-introduced machine by pipeline, the utility model structure is simple, design is reasonable, it can be in dust removal process, flue dust is successively by cooling sedimentation cyclone dust collectors, filter cartridge dust remover and ultra-purify air clarifier are filtered, the dust concentration being discharged into atmosphere is finally set to be less than 30ug, well below the 20 of Industrial Stoves Mg dust emission standard realizes ultra-clean discharge.
Description
Technical field
The utility model belongs to dust-extraction unit technical field, and in particular to one kind is used for electric smelting Cr2O3The ultra-clean discharge of production
Dust-extraction unit.
Background technique
Chrome green is hexagonal crystal series or unformed olive-green powder, and crystallinity is poor, there is metallic luster, specific gravity
5.21, it is 2266 ± 25 DEG C of fusing point, 4000 DEG C of boiling point, not soluble in water and sour, dissolve in the alkali metal bromate solution of heat.To light,
Atmosphere, high temperature and corrosive gas (SO2、H2S etc.) it is extremely stable, there is very high covering power.Chrome green adds by special process
Heat melts, heat preservation, cooling, can make to rearrange between its crystal molecule to grow up, crystallization is completely, uniformly.It is not generated in crystallization process
Any new substance.
A large amount of flue gas can be generated during chrome green electro-smelting, and flue-gas temperature is higher, traditional cigarette
Dirt filtering or purification device can not completely be filtered flue dust, the air pollution on enterprise periphery be caused, in addition, due to cigarette
Dirt temperature is higher, also can cause a degree of damage to the structure inside traditional dust-extraction unit, influence making for dust-extraction unit
Use the service life.
Summary of the invention
In order to solve the above-mentioned technical problem the utility model, provides a kind of for electric smelting Cr2O3The ultra-clean discharge of production removes
Dirt device, can be in dust removal process, and flue dust is successively net by cooling sedimentation cyclone dust collectors, filter cartridge dust remover and ultra-purify air
Change device to be filtered, so that the dust concentration being discharged into atmosphere is less than 30ug, well below the 20mg flue dust of Industrial Stoves
Discharge standard realizes ultra-clean discharge.
The technical scheme adopted by the utility model is a kind of be used for electric smelting Cr2O3The dedusting dress of the ultra-clean discharge of production
It sets, including cyclone dust collectors, filter cartridge dust remover, ultra-purify air clarifier and the air-introduced machine being sequentially communicated, cyclone dust collectors air inlet
End is provided with the thermocouple to detect flue dust temperature value, and there are three longitudinally disposed cooling wind for installation on cyclone dust collectors
The outlet air end of machine, cyclone dust collectors is connected by pipeline with the air intake of filter cartridge dust remover, and the outlet air end of filter cartridge dust remover passes through
Pipeline connects the air intake of ultra-purify air clarifier, and the outlet air end of ultra-purify air clarifier connects air-introduced machine, air inducing by pipeline
The air outlet of machine is equipped with exhaust pipe；Ultra-purify air clarifier includes the filtering group of purifier shell and setting inside housings
Part, filter assemblies include the frame being fixedly mounted inside housings, and frame is equipped with multiple exhaust outlets, the position of each exhaust outlet
On be fixedly installed with glass filter paper.
The quantity of the exhaust outlet is 42.
The filter cartridge dust remover is film covering type filter cartridge dust remover.
Filter membrane on the film covering type filter cartridge dust remover is PTFE film.
Star-like unloader is equipped with below the filter cartridge dust remover.
Described further includes the PLC controller being connected with three temperature-dropping fans, and PLC controller is electrically connected with thermocouple.
When work, the flue dust that when melting generates enters cyclone dust collectors by pipeline, before entering cyclone dust collectors, by
Thermocouple first detects the temperature of flue dust, and will test result in real time and be sent to PLC controller, when detection temperature is 70-
At 100 DEG C, PLC controller controls wherein two startings of three temperature-dropping fans, when detecting temperature higher than 100 DEG C, PLC control
Device controls three temperature-dropping fans and starts simultaneously, makes the reduction of flue dust temperature by air cooled mode, can achieve drop in this way
The purpose of temperature；Into the flue dust in cyclone dust collectors after entering in cyclone dust collectors, rotation fortune is generated inside deduster
It is dynamic, it separates the solid particle with larger centrifugal inertial force with flue gas, sinks down into bottom under the effect of gravity, reach heavy
The purpose of drop is separated by the soot dust granule that cyclone dust collectors will be greater than 0.5mm；And other part flue dust by pipeline into
Enter filter cartridge dust remover, due to adding PTFE overlay film, filtering accuracy 0.55um, filter efficiency 99.99%, filtering in filter cartridge dust remover
Flue dust afterwards is using ultra-purify air clarifier, and filtering accuracy 0.35um, filter efficiency 99.99%, final flue dust is from air-introduced machine
The exhaust pipe at end is discharged.
The cyclone dust collectors air intake is provided with the thermocouple to detect flue dust temperature value, and on cyclone dust collectors
There are three longitudinally disposed temperature-dropping fans for installation；The purpose being arranged in this way is: can carry out real-time monitoring to the temperature of flue dust, keep away
Exempt from the excessively high damage for causing filter cartridge dust remover and ultra-purify air clarifier internal structure of flue dust temperature, is conducive to service life of equipment
Extension.
The ultra-purify air clarifier includes the filter assemblies of purifier shell and setting inside housings, filter assemblies
Including frame inside housings is fixedly mounted, frame is equipped with multiple exhaust outlets, is fixedly mounted on the position of each exhaust outlet
There is glass filter paper；The purpose being arranged in this way is: can be filtered to the particle greater than 0.35 μm or more, it is net to reach ultra-purify air
The purpose of change.
The utility model has the following beneficial effects: the utility model simple structure and reasonable design, can in dust removal process,
Flue dust is successively filtered by cooling sedimentation cyclone dust collectors, filter cartridge dust remover and ultra-purify air clarifier, finally makes to discharge
Dust concentration into atmosphere is less than 30ug and realizes ultra-clean discharge well below the 20mg dust emission standard of Industrial Stoves.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model ultra-purify air clarifier；
Fig. 3 is the filter assemblies structure chart of the utility model ultra-purify air clarifier；
Fig. 4 is the structure diagram of the utility model cyclone dust collectors；
Fig. 5 is the particle size analysis report figure made after the dust-extraction unit of the utility model.
Marked in the figure: 1, cyclone dust collectors；11, shell；12, inner casing；13, inclined plate；14, temperature-dropping fan；15, air inlet pipe；
16, thermocouple；2, filter cartridge dust remover；21, mobile barrel；3, ultra-purify air clarifier；31, shell；32, filter assemblies；
321, frame；322, exhaust outlet；323, glass filter paper；4, air-introduced machine；5, exhaust pipe.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
As shown in Figs 1-4, a kind of to be used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, including the rotation being sequentially communicated
Wind deduster 1, filter cartridge dust remover 2, ultra-purify air clarifier 3 and air-introduced machine 4,1 air intake of cyclone dust collectors are provided with to examine
The thermocouple 16 of flue dust temperature value is surveyed, and there are three longitudinally disposed temperature-dropping fans 14 for installation on cyclone dust collectors 1, whirlwind removes
The outlet air end of dirt device 1 is connected by pipeline with the air intake of filter cartridge dust remover 2, and the outlet air end of filter cartridge dust remover 2 is connected by pipeline
The air intake of ultra-purify air clarifier 3 is connect, the outlet air end of ultra-purify air clarifier 3 connects air-introduced machine 4, air-introduced machine 4 by pipeline
Air outlet exhaust pipe 5 is installed；Ultra-purify air clarifier 3 includes purifier shell 31 and the mistake being arranged in inside shell 31
Component 32 is filtered, filter assemblies 32 include the frame 321 being fixedly mounted on inside shell 31, and frame 321 is equipped with multiple exhaust outlets
322, glass filter paper 323 is fixedly installed on the position of each exhaust outlet 322.
Specifically, cyclone dust collectors 1 include a shell 11 and inner casing 12, shell 11 and inner casing 12 are equipped with gap, with cooling supply
Air circulates, 12 external wall beneath of inner casing connect air inlet pipe 15, top is escape pipe, the inside of inner casing 12 be equipped with it is multiple not
Regularly arranged inclined plate 13, three temperature-dropping fans 14 are mounted on shell 11, and three temperature-dropping fans 14 make shell 11 when work
Gap between inner casing 12 forms cold air circulation, and the hot-air inside inner casing 12 is cooled down by conduction of heat；
Thermocouple 16 is mounted in air inlet pipe 15, and when temperature is higher than 100 DEG C, three temperature-dropping fans 14 start simultaneously, are in temperature
At 70-100 DEG C, only start two temperature-dropping fans 14, does not start any temperature-dropping fan 14 when temperature is lower than 70 DEG C, to reach
Energy-efficient effect.
The quantity of the exhaust outlet 322 is 42.
The filter cartridge dust remover 2 is film covering type filter cartridge dust remover 2.
Filter membrane on the film covering type filter cartridge dust remover 2 is PTFE film.
Mobile barrel 21 is equipped with below the filter cartridge dust remover 2.
Described further includes the PLC controller being connected with three temperature-dropping fans 14, and PLC controller is electrically connected with thermocouple 16,
PLC controller uses Mitsubishi FX1N-40MR-D model.
When work, the flue dust that when melting generates enters cyclone dust collectors 1 by pipeline, before entering cyclone dust collectors 1,
First the temperature of flue dust is detected by thermocouple 16, and will test result in real time and be sent to PLC controller, when detection temperature is
At 70-100 DEG C, PLC controller controls wherein two startings of three temperature-dropping fans 14, when detecting temperature higher than 100 DEG C,
PLC controller controls three temperature-dropping fans 14 and starts simultaneously, makes the reduction of flue dust temperature by air cooled mode, in this way may be used
To achieve the purpose that cooling；Into the flue dust in cyclone dust collectors 1 after entering in cyclone dust collectors 1, inside deduster
Rotary motion is generated, the solid particle with larger centrifugal inertial force is separated with flue gas, sinks down under the effect of gravity
Bottom achievees the purpose that sedimentation, is separated by the soot dust granule that cyclone dust collectors 1 will be greater than 0.5mm；And other part cigarette
Dirt enters filter cartridge dust remover 2 by pipeline, due to adding PTFE overlay film, filtering accuracy 0.55um, filtering effect in filter cartridge dust remover 2
Rate 99.99%, filtered flue dust is using ultra-purify air clarifier 3, filtering accuracy 0.35um, filter efficiency 99.99%, finally
Flue dust is discharged from the exhaust pipe 5 of 4 upper end of air-introduced machine.
Fig. 5 shows the grain size analysis that sample ID is thin chrome green -3 and reports, as seen from the table, by the dust-extraction unit
After filtering, the partial size of dust meets the requirement of environmental protection, has achieved the purpose that ultra-clean discharge in 0.616um-13.25um.
Claims (6)
1. one kind is used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that: including the whirlwind being sequentially communicated
Deduster, filter cartridge dust remover, ultra-purify air clarifier and air-introduced machine, cyclone dust collectors air intake are provided with to detect flue dust temperature
The thermocouple of angle value, and there are three longitudinally disposed temperature-dropping fan, the outlet air ends of cyclone dust collectors for installation on cyclone dust collectors
It is connected by pipeline with the air intake of filter cartridge dust remover, the outlet air end of filter cartridge dust remover connects ultra-purify air clarifier by pipeline
Air intake, the outlet air end of ultra-purify air clarifier connects air-introduced machine by pipeline, and the air outlet of air-introduced machine is equipped with exhaust pipe；
Ultra-purify air clarifier includes the filter assemblies of purifier shell and setting inside housings, and filter assemblies include being fixedly mounted
Frame inside housings, frame are equipped with multiple exhaust outlets, are fixedly installed with glass filter paper on the position of each exhaust outlet.
2. according to claim 1 a kind of for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that:
The quantity of exhaust outlet is 42.
3. according to claim 1 a kind of for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that:
Filter cartridge dust remover is film covering type filter cartridge dust remover.
4. according to claim 3 a kind of for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that:
Filter membrane on film covering type filter cartridge dust remover is PTFE film.
5. according to claim 1 a kind of for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that:
Star-like unloader is equipped with below filter cartridge dust remover.
6. according to claim 1 a kind of for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production, it is characterised in that:
It further include the PLC controller being connected with three temperature-dropping fans, PLC controller is electrically connected with thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134657.5U CN209549074U (en) | 2019-01-26 | 2019-01-26 | One kind being used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134657.5U CN209549074U (en) | 2019-01-26 | 2019-01-26 | One kind being used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production |
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| CN209549074U true CN209549074U (en) | 2019-10-29 |
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| CN201920134657.5U Active CN209549074U (en) | 2019-01-26 | 2019-01-26 | One kind being used for electric smelting Cr2O3The dust-extraction unit of the ultra-clean discharge of production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524937A (en) * | 2020-12-04 | 2021-03-19 | 洛阳阿尔法新材料有限公司 | Blowing and dedusting process for top material covering of chromic oxide electric melting material |
| CN116440698A (en) * | 2023-06-14 | 2023-07-18 | 北京华宇辉煌生态环保科技股份有限公司 | Dedusting and denitration equipment, and smoke and odor cooperative treatment system and method |
-
2019
- 2019-01-26 CN CN201920134657.5U patent/CN209549074U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524937A (en) * | 2020-12-04 | 2021-03-19 | 洛阳阿尔法新材料有限公司 | Blowing and dedusting process for top material covering of chromic oxide electric melting material |
| CN116440698A (en) * | 2023-06-14 | 2023-07-18 | 北京华宇辉煌生态环保科技股份有限公司 | Dedusting and denitration equipment, and smoke and odor cooperative treatment system and method |
| CN116440698B (en) * | 2023-06-14 | 2023-09-08 | 北京华宇辉煌生态环保科技股份有限公司 | Dedusting and denitration equipment, and smoke and odor cooperative treatment system and method |
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