CN112807886A - Air purification system of metallurgical intelligent factory building - Google Patents

Air purification system of metallurgical intelligent factory building Download PDF

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Publication number
CN112807886A
CN112807886A CN202110170323.5A CN202110170323A CN112807886A CN 112807886 A CN112807886 A CN 112807886A CN 202110170323 A CN202110170323 A CN 202110170323A CN 112807886 A CN112807886 A CN 112807886A
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CN
China
Prior art keywords
ash
collector
roof
air
metallurgical
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Pending
Application number
CN202110170323.5A
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Chinese (zh)
Inventor
何利锋
欧阳武
张孝烽
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Jiangsu Renhe Environmental Equipments Co ltd
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Jiangsu Renhe Environmental Equipments Co ltd
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Priority to CN202110170323.5A priority Critical patent/CN112807886A/en
Publication of CN112807886A publication Critical patent/CN112807886A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/002Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the technical field of air purification, in particular to a metallurgical intelligent factory building air purification system which comprises a roof air collector arranged on the roof of a production workshop and a plurality of filter cartridge dust collectors adjacently arranged on the peripheral side surfaces of the roof air collector, wherein the lower end of the roof air collector is directly communicated with the internal space of the production workshop, and an air inlet of each filter cartridge dust collector is directly butted with the side surface of the roof air collector and communicated to the interior of the roof air collector. The invention overcomes the defects of large occupied area of equipment, high energy consumption, complex construction and the like in the existing workshop top gas purification technology.

Description

Air purification system of metallurgical intelligent factory building
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification system of a metallurgical intelligent factory building.
Background
Various smelting enterprises can generate high-temperature flue gas in the production process, equipment cannot be completely sealed, partial high-temperature flue gas cannot be avoided overflowing, high temperature can rise and stay at the top of a production workshop, the gas temperature at the top of the workshop is higher, the smoke concentration is higher, a ventilator is generally arranged at the top of the workshop to discharge dust-containing gas in the workshop, the ventilation in the workshop is kept, and the discharged gas contains a small amount of dust, so that the atmosphere is polluted to a certain extent; the country pays more and more attention to environmental protection, and is also stricter to the unorganized emission control of enterprises, and for the steel smelting industry, the country has clearly required that steel enterprise workshops should be closed, and roof covers are arranged and dust removal facilities are equipped.
In the prior art, the technical scheme of the gas purification at the top of the workshop is that a roof dust hood is arranged at the top of the workshop, and flue gas is introduced to a dust removal station on the ground through a pipeline. The flue gas treatment process for dedusting the roof comprises the following steps: roof cover → valve → pipe → ground dust collector → pipe → blower → muffler → adapter → exhaust funnel → purified gas is discharged into the atmosphere.
However, the technical scheme of dust removal has the following problems:
firstly, the dust removal station sets up on ground, and area is big.
Secondly, the dust removal scheme belongs to the traditional long-flow purification process, and has numerous devices and pipelines and longer pipelines, so that the resistance consumption is very high and the energy consumption is high.
Thirdly, roof cover and pipeline installation are in the factory building top, and its weight is great, equipment is more, leads to the degree of difficulty increase of hoist and mount and construction, and the work load of construction is also more, construction time is long, consequently influences production greatly. Additionally, the plant may need reinforcement after adding roofing shingles and plumbing.
Disclosure of Invention
In order to solve the problems, the invention provides an air purification system of a metallurgical intelligent workshop, and aims to overcome the defects of large equipment floor area, high energy consumption, complex construction and the like in the existing workshop top air purification technology. The specific technical scheme is as follows:
the utility model provides a metallurgical intelligent factory building air purification system, is including setting up the roofing collection wind ware on workshop roof, adjacent setting be in a plurality of filter cartridge dust remover of roofing collection wind ware side all around, the lower extreme of roofing collection wind ware with workshop inner space directly communicates, filter cartridge dust remover's air intake directly with the side butt joint of roofing collection wind ware and communicate to the inside of roofing collection wind ware.
In the invention, the filter cartridge dust remover comprises a frame, a dust removing box body arranged on the frame and a filter cartridge arranged in the dust removing box body, wherein the lower end of the dust removing box body is provided with an ash hopper, and the ash hopper is connected with a negative pressure pneumatic ash conveying system.
In the invention, a centrifugal fan and an ash cleaning device are also arranged in the dust removing box body.
According to the invention, the negative-pressure pneumatic ash conveying system comprises an ash conveying pipeline, and a negative-pressure dust collector and a negative-pressure fan which are sequentially arranged on the ash conveying pipeline according to the ash conveying direction, wherein the ash hopper is connected with the ash conveying pipeline; the lower end of the negative pressure dust collector is connected with the storage bin.
Preferably, the ash conveying pipeline comprises an ash conveying main pipe and a plurality of ash conveying branch pipes connected with the ash conveying main pipe through a pipeline switching valve, the negative pressure dust remover and the negative pressure fan are arranged on the ash conveying main pipe, the ash hopper is connected with the ash conveying branch pipes, and a pneumatic gate valve, an electric air lock valve, a waveform compensator, a manual gate valve and a three-way ash mixing device are sequentially arranged between the ash hopper and the ash conveying branch pipes.
Preferably, the three-way ash mixer is connected with an air compensating valve.
Preferably, one air replenishing valve is arranged on the ash conveying main pipe at certain intervals.
In the invention, the inner side of the roof air collector is provided with the flow equalizing plate.
Preferably, the roof air collector is of an integral cylindrical structure, and a conical air inlet channel is arranged at the bottom of the roof air collector.
In the invention, section steel is supported outside the roof wind collector, and the upper part of the roof wind collector is provided with a slope top.
The invention has the beneficial effects that:
firstly, according to the air purification system for the metallurgical intelligent plant, the air inlet of the filter cartridge dust remover is over against the side surface of the air collector, and a pipeline is not required to be connected, so that the system resistance is greatly reduced, the energy consumption is reduced, and the equipment investment is saved; and because the dust settling effect does not need to be considered, the air inlet speed of the filter cartridge dust remover can be greatly reduced, the air inlet resistance of the filter cartridge dust remover is also greatly reduced, and the scouring of the airflow to the filter cartridge of the filter cartridge dust remover is sharply reduced, so that the service life of the filter cartridge can be prolonged.
Secondly, the negative pressure pneumatic ash conveying system of the air purification system of the metallurgical intelligent factory building occupies a small area.
Thirdly, according to the air purification system for the metallurgical intelligent plant, the flow equalizing plate is arranged on the inner side of the roof air collector, and the ascending air can be uniformly sucked into the closed space inside the roof air collector through the flow equalizing plate, so that the situations of inconsistent inlet air flow and bias flow are prevented.
Fourthly, the air purification system for the metallurgical intelligent plant has the advantages of small equipment quantity and more compact structure, greatly reduces construction difficulty and construction workload compared with the traditional roof dust removal device, and has small influence on production.
Fifth, the air purification system for the metallurgical intelligent plant adopts a negative pressure pneumatic ash conveying system, and the whole system from the ash hopper of the filter cylinder dust collector to the terminal negative pressure dust collector is in a negative pressure environment, so that secondary leakage of dust can be truly avoided, and the environmental protection performance is good.
Sixth, according to the metallurgical intelligent plant air purification system, the three-way ash mixer is provided with the air supplementing device, so that the ash-air mixing effect is enhanced, the fluidization effect is formed, and the phenomenon of material accumulation at the bottom of the pipe in a low-wind-speed area of the blanking port can be effectively prevented.
Drawings
FIG. 1 is a schematic structural diagram of an air purification system of a metallurgical intelligent factory building of the invention;
FIG. 2 is a schematic view (left side view) of the internal structure of the filter cartridge dust collector of FIG. 1;
FIG. 3 is a schematic view of the connection of the ash hopper to the ash conveying pipe section of FIG. 1;
fig. 4 is an air purification flowchart.
In the figure: 1. the device comprises a roof air collector, 2, a filter cartridge dust remover, 3, an air inlet, 4, a frame, 5, a dust removal box body, 6, a filter cartridge, 7, an ash hopper, 8, a negative pressure pneumatic ash conveying system, 9, a centrifugal fan, 10, an ash removal device, 11, a negative pressure dust remover, 12, a negative pressure fan, 13, a storage bin, 14, an ash conveying main pipe, 15, a pipeline switching valve, 16, an ash conveying branch pipe, 17, a pneumatic gate valve, 18, an electric air locking valve, 19, a waveform compensator, 20, a manual gate valve, 21, a three-way ash mixer, 22, an air supplementing valve, 23 and a conical air inlet channel.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 4 show an embodiment of the metallurgical intelligent factory building air purification system, which includes a roof air collector 1 disposed on a roof of a production workshop, and a plurality of filter cartridge dust collectors 2 adjacently disposed on peripheral side surfaces of the roof air collector 1, wherein a lower end of the roof air collector 1 is directly communicated with an internal space of the production workshop, and an air inlet 3 of the filter cartridge dust collector 2 is directly abutted to a side surface of the roof air collector 1 and communicated to an interior of the roof air collector 1.
In this embodiment, the filter cartridge dust collector 2 includes a frame 4, a dust collection box 5 disposed on the frame 4, and a filter cartridge 6 disposed in the dust collection box 5, wherein an ash bucket 7 is disposed at a lower end of the dust collection box 5, and the ash bucket 7 is connected to a negative pressure pneumatic ash conveying system 8.
In this embodiment, a centrifugal fan 9 and an ash removal device 10 are further disposed in the dust removal box body 5.
In this embodiment, the negative pressure pneumatic ash conveying system 8 comprises an ash conveying pipeline, and a negative pressure dust collector 11 and a negative pressure fan 12 which are sequentially arranged on the ash conveying pipeline according to the ash conveying direction, and the ash hopper 7 is connected with the ash conveying pipeline; the lower end of the negative pressure dust collector 11 is connected with a storage bin 13.
Preferably, the ash conveying pipeline comprises an ash conveying main pipe 14 and a plurality of ash conveying branch pipes 16 connected with the ash conveying main pipe 14 through a pipeline switching valve 15, the negative pressure dust collector 11 and the negative pressure fan 12 are arranged on the ash conveying main pipe 14, the ash hopper 7 is connected with the ash conveying branch pipes 16, and a pneumatic gate valve 17, an electric gas locking valve 18, a waveform compensator 19, a manual gate valve 20 and a three-way ash mixer 21 are sequentially arranged between the ash hopper 7 and the ash conveying branch pipes 16.
Preferably, the three-way ash mixer 21 is connected with an air make-up valve 22.
Preferably, an air compensating valve is arranged on the ash conveying main pipe 14 at a certain distance.
In this embodiment, the inner side of the roof air collector 1 is provided with a flow equalizing plate.
Preferably, the roof wind collector 1 is of an integral cylindrical structure and is provided with a conical air inlet channel 23 at the bottom thereof.
In this embodiment, the exterior of the roof wind collector 1 is supported by section steel, and the upper portion of the roof wind collector 1 is provided with a slope roof.
Example 2:
the general working principle of the air purification system is described as follows:
the dust-containing flue gas rises to a ventilation clerestory at the top of a production workshop, the gas enters the periphery of a roof wind collector 1 due to the buoyancy lifting action of the gas, the roof wind collector 1 is in a steel plate sealing structure form at the outer side of a profile steel support, a flow equalizing plate is arranged at the inner side of the roof wind collector 1, the ascending gas flow can be uniformly sucked into the roof wind collector 1, the occurrence of the condition of inconsistent flow of the entering gas flow is prevented, the gas flow completely enters the closed space of the roof wind collector 1 after passing through the flow equalizing plate, a row of RH/XE cartridge dust collectors 2 are arranged at the side surface of the roof wind collector 1, the air inlets of the RH/XE cartridge dust collectors 2 are right opposite to the side surface of the roof wind collector 1, no connecting pipeline is needed, the system resistance is greatly reduced, the equipment investment is saved, the air inlet speed of the RH/XE cartridge dust collectors 2 can be greatly reduced due to the fact that, the scouring of the airflow to the filter cartridge 6 of the RH/XE filter cartridge dust remover 2 is reduced sharply, the service life of the filter cartridge 6 is prolonged, the air inlet at the lower part of the roof air collector 1 and other parts outside the air inlet of the RH/XE filter cartridge dust remover 2 are sealed, and the upper part is in a slope type, so that the rainwater is favorably discharged.
After the flue gas enters the RH/XE filter cylinder dust remover 2, the dust-containing flue gas is filtered by the filter cylinder 6 with high precision, so that the concentration of the discharged gas is ensured to be less than 10mg/m3The RH/XE filter cartridge dust remover 2 is provided with a centrifugal fan 9, and the filtered gas is discharged into the atmosphere after passing through the centrifugal fan 9; after filtering for a period of time, the dust amount on the surface of the filter cartridge 6 is increased to a certain degree, the resistance of the RH/XE filter cartridge dust remover 2 is increased, the pulse blowing system of the RH/XE filter cartridge dust remover 2 starts to work, each filter cartridge 6 is cleaned once, the dust on the filter cartridge 6 is settled in the dust hopper 7, the resistance of the filter cartridge 6 is reduced, filtering is continued, and the dust in the dust hopper of the RH/XE filter cartridge dust remover 2 is conveyed into the centralized storage bin 13 through the negative pressure pneumatic dust conveying system 8.
The negative-pressure pneumatic ash conveying system 8 adopts a negative-pressure dilute-phase conveying system, dust collected by the filter cartridge dust collector 2 is concentrated in the ash hoppers 7, a set of negative-pressure conveying device is arranged below each ash hopper 7, a plurality of sets of negative-pressure conveying devices in each row form a group, and a plurality of groups of ash conveying branch pipes 16 are combined into a common ash conveying main pipe 14 after passing through a pipeline switching valve 15.
The process for conveying ash by negative pressure dilute phase pneumatic power is characterized in that:
1. the whole system from the dust hopper of the filter cartridge dust collector to the terminal negative pressure dust collector is in a negative pressure environment, so that secondary leakage of dust can be really avoided.
2. The negative pressure conveying process is particularly suitable for a conveying process with multiple points concentrated to one point, the ash discharging point process equipment is simple, the requirement on the size of the installation space of the equipment is not high, and the simplification of the process arrangement of the system is facilitated.
3. The dilute phase conveying process is adopted, a negative pressure fan is facilitated to serve as a power source, conveying pressure is low, ambient air is adopted as a conveying medium source, and investment and operation cost are much lower than that of an air compression station.
4. The negative pressure dilute phase conveying system is used as an independent closed system, is simple to operate and maintain, can be put into or cut off at any time, has low dependence on an external public system, and has more convenience and safety in system operation.
5. The RH/XE filter cylinder dust remover 2 can be arranged in a row, each row is provided with a plurality of ash hoppers, a set of negative pressure conveying device is arranged below each ash hopper 7, the plurality of negative pressure conveying devices in each row are connected in series to form a group, and two groups of ash conveying branch pipes 16 are combined into a public ash conveying main pipe 14 after passing through a pipeline switching valve 15.
6. The following components are sequentially arranged from the outlet of the dust catcher dust hopper 7 to the dust conveying branch pipe 16: a pneumatic gate valve 17, an electric airlock 18, a wave compensator 19, a manual gate valve 20, a three-way ash mixer 21 and the like.
7. The three-way ash mixer 21 of each set of negative pressure ash conveying device is provided with an air supply device for enhancing the ash-air mixing effect, forming the fluidization effect and effectively preventing the occurrence of the phenomenon of material accumulation at the bottom of the tube in the low-wind-speed area of the blanking port.
8. The negative pressure conveying system has self-blocking-removing effect, and a pipeline aeration valve is arranged along the conveying main pipe 14 (horizontal section) at intervals of 20 meters.
9. The material ash is finally conveyed to the negative pressure dust collector 11 by the negative pressure conveying main pipe 14, and finally discharged to the storage bin 13.
Example 3:
the RH/XE cartridge dust collector technology is described as follows:
the RH/XE type filter cylinder dust remover 2 is a filter cylinder dust remover 2 with high efficiency and low resistance which is specially improved and designed, a round filter cylinder 6 is used as a filter element, the equipment is small in size, the equipment is provided with a centrifugal fan 9, and a fan and an air outlet pipeline are not needed to be additionally arranged, so that the resistance of the whole purification system is further reduced, an air inlet of the filter cylinder dust remover 2 is directly communicated with a flue gas inlet, the filter cylinder dust remover is increased compared with a conventional dust remover, the air inlet speed is greatly reduced, the air inlet resistance is also greatly reduced, the scouring of airflow to the filter cylinder 6 is reduced, and the service life. The ash bucket 7 of the filter cartridge dust collector 2 is connected with the negative pressure pneumatic ash conveying system 8 in a downward connection mode, collected dust does not need to be cleaned manually, the whole equipment does not need to be processed manually, and the whole equipment runs fully automatically.
The RH/XE type filter cylinder dust remover 2 consists of an air inlet 3, a dust removing box body 5, an ash hopper 7, a pulse ash cleaning device 10, a filter cylinder 6, a centrifugal fan 9 and an electric control device.
The flue gas flow process of the RH/XE filter cartridge dust remover 2 is as follows: air inlet 3 → dust removing box 5 → filter cartridge 6 → centrifugal fan 9 → muffling discharge.
The RH/XE cartridge dust collector 2 is provided with a dust removing device 10, and the dust removing device 10 comprises a Venturi tube for guiding compressed air to the cartridge 6. Due to the action of the centrifugal fan 9, after the dust-containing gas enters the dust removal box body 5, dust particles are blocked by the filter material of the filter cartridge 6 through the combined effects of diffusion, screening and the like on the surface of the filter cartridge 6 of the dust remover. The filtered clean air enters the clean room of the filter cartridge dust collector 2 from the center of the filter cartridge 6 and is discharged by the centrifugal fan 9, and the air containing dust is effectively purified. The resistance of the filter cartridge dust remover 2 is increased along with the increase of the thickness of a dust layer on the surface of the filter cartridge 6, the dust is removed when the resistance reaches a certain specified value, at the moment, a microcomputer program controls the pulse valve to start, firstly, the electromagnetic pulse valve is opened, compressed air rapidly expands in the dust removal box body 5 in a very short time, then the compressed air is combined with the Venturi tube to conduct flow and flow to the filter cartridge 6, so that the filter cartridge 6 expands and deforms to generate vibration, under the action of reverse airflow scouring, dust attached to the outer surface of the filter cartridge 6 is peeled off and falls into the dust hopper 7, after the dust removal is finished, the electromagnetic pulse valve is closed, and the. The fallen dust falls into the dust hopper 7 and is discharged through the dust discharging valve.
Example 4:
the filter cartridge 6 has the technical characteristics that:
the filter cartridge 6 adopts a pleated filter cartridge, the filtering area of the pleated filter cartridge is 5 times of that of a circular cloth bag, the volume of the dust remover is minimum, the equipment cost is reduced and the service life is longer under the same working condition by using the pleated filter cartridge for filtering. The filter cartridge 6 is integrally designed, no cage is arranged, and the friction and the abrasion between the cage and the filter material can not occur. The pleated filter cylinder can improve the treatment air quantity, reduce the filtering air speed, and has the advantages of easy ash removal, pressure difference reduction and compressed air saving: by using the pleated filter cartridge, the filtration air speed is reduced and the front-back pressure difference of the filter cartridge 6 is greatly reduced under the condition of the same treatment air volume, so that the ash removal period is longer and the use amount of compressed air is obviously reduced. In addition, as the invention is provided with Venturi tube flow guide and flow guide, the ash removal effect is better, and compressed air is saved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The air purification system for the metallurgical intelligent plant is characterized by comprising a roof air collector arranged on the roof of a production workshop and a plurality of filter cartridge dust collectors adjacently arranged on the peripheral side surfaces of the roof air collector, wherein the lower end of the roof air collector is directly communicated with the inner space of the production workshop, and an air inlet of each filter cartridge dust collector is directly butted with the side surface of the roof air collector and communicated to the inside of the roof air collector.
2. The metallurgical intelligent factory building air purification system according to claim 1, wherein the filter cartridge dust collector comprises a frame, a dust removal box body arranged on the frame, and a filter cartridge arranged in the dust removal box body, wherein an ash hopper is arranged at the lower end of the dust removal box body, and the ash hopper is connected with a negative pressure pneumatic ash conveying system.
3. The metallurgical intelligent factory building air purification system of claim 3, wherein a centrifugal fan and an ash removal device are further arranged in the dust removal box body.
4. The metallurgical intelligent factory building air purification system according to claim 3, wherein the negative pressure pneumatic ash conveying system comprises an ash conveying pipeline, and a negative pressure dust collector and a negative pressure fan which are sequentially arranged on the ash conveying pipeline according to the ash conveying direction, and the ash hopper is connected with the ash conveying pipeline; the lower end of the negative pressure dust collector is connected with the storage bin.
5. The metallurgical intelligent factory building air purification system of claim 4, wherein the ash conveying pipeline comprises an ash conveying main pipe and a plurality of ash conveying branch pipes connected with the ash conveying main pipe through a pipeline switching valve, the negative pressure dust collector and the negative pressure fan are arranged on the ash conveying main pipe, the ash hopper is connected with the ash conveying branch pipes, and a pneumatic gate valve, an electric air lock valve, a waveform compensator, a manual gate valve and a three-way ash mixer are sequentially arranged between the ash hopper and the ash conveying branch pipes.
6. The metallurgical intelligent factory building air purification system according to claim 5, wherein the three-way ash mixer is connected with an air make-up valve.
7. The metallurgical intelligent factory building air purification system according to claim 5, wherein an air make-up valve is arranged on the ash conveying main pipe at regular intervals.
8. The metallurgical intelligent factory building air purification system according to claim 1, wherein a flow equalizing plate is arranged on the inner side of the roof air collector.
9. The metallurgical intelligent factory building air purification system according to claim 1, wherein the roof air collector is of an integral cylindrical structure and is provided with a conical air inlet channel at the bottom thereof.
10. The metallurgical intelligent factory building air purification system according to claim 1, wherein the roof wind collector is externally supported by section steel, and the upper part of the roof wind collector is provided with a slope roof.
CN202110170323.5A 2021-02-08 2021-02-08 Air purification system of metallurgical intelligent factory building Pending CN112807886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110170323.5A CN112807886A (en) 2021-02-08 2021-02-08 Air purification system of metallurgical intelligent factory building

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Application Number Priority Date Filing Date Title
CN202110170323.5A CN112807886A (en) 2021-02-08 2021-02-08 Air purification system of metallurgical intelligent factory building

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Publication Number Publication Date
CN112807886A true CN112807886A (en) 2021-05-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114183247A (en) * 2021-12-13 2022-03-15 中国船舶重工集团公司第七0三研究所 Flexible self-adaptive efficient dust-discharging gas turbine inlet air filtering system and filtering method
CN114508812A (en) * 2022-03-01 2022-05-17 苏华建设集团有限公司 Smelting workshop heat extraction purification system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114183247A (en) * 2021-12-13 2022-03-15 中国船舶重工集团公司第七0三研究所 Flexible self-adaptive efficient dust-discharging gas turbine inlet air filtering system and filtering method
CN114183247B (en) * 2021-12-13 2023-12-08 中国船舶重工集团公司第七0三研究所 Flexible self-adaptive high-efficiency dust-removing gas turbine air inlet filtering system and filtering method
CN114508812A (en) * 2022-03-01 2022-05-17 苏华建设集团有限公司 Smelting workshop heat extraction purification system

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