CN107339243A - A kind of combustion fan that can clean screen pack automatically - Google Patents
A kind of combustion fan that can clean screen pack automatically Download PDFInfo
- Publication number
- CN107339243A CN107339243A CN201710471223.XA CN201710471223A CN107339243A CN 107339243 A CN107339243 A CN 107339243A CN 201710471223 A CN201710471223 A CN 201710471223A CN 107339243 A CN107339243 A CN 107339243A
- Authority
- CN
- China
- Prior art keywords
- air intake
- screen pack
- intake duct
- nozzle
- baffle plate
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/30—Same type of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The present invention relates to a kind of combustion fan that can clean screen pack automatically, belong to Fan Equipment technical field.It includes air intake duct, the screen pack for being installed on air intake duct front end, baffle plate, cylinder link mechanism, nozzle and the water supply line being connected with nozzle by being symmetricly set in blower fan both sides and the left and right two parts of structure identical are formed, per part;Baffle plate is located inside air intake duct, is rotatablely connected by being fixed on the baffle plate two side relative with air intake duct with respect to the rotating shaft on two sides;Cylinder link mechanism is connected with PLC control system, and connecting rod is fixedly connected with rotating shaft;Nozzle is located inside air intake duct, and the water spraying direction of nozzle is towards the outside of screen pack.The on-line auto-cleaning of screen pack when the present invention realizes combustion fan operation, had both reduced the labor intensity of staff, and and can ensures the continuity of cold rolling continuous annealing furnace bringing-up section temperature, reduces the generation of degradation product;The present invention is simple in construction, cost is cheap, practical, has wide popularizing application prospect.
Description
Technical field
The present invention relates to a kind of combustion fan that can clean screen pack automatically, belong to Fan Equipment technical field.
Background technology
Terminal blower fan refers to that air intake duct is directly in contact with air, and air intake duct front end is equipped with screen pack, and air is in blower fan
The lower screen pack by air intake duct front end of driving enters a kind of blower fan that pipeline participates in the technology controlling and process such as burning, drying.Metallurgy enterprise
Combustion fan used in industry rolling mill production line belongs to terminal blower fan.The combustion fan of rolling mill production line is located at continuous annealing stove heat
Section, bringing-up section can be divided into 7 Ge Huo14Ge areas according to producing line structure, and each area is equipped with a combustion fan, main function
Be to provide power to draw air into, mixed with coal gas at burner, by fire rod igniting make its burn gives strip heat, with up to
To the purpose of strip annealing.In order to ensure to inject the cleaning of air, screen pack is installed at the air inlet duct of combustion fan;It is actual
In production process, each area of bringing-up section often causes sequential stop jumping because combustion air flow fluctuation is big, causes heating-up temperature to reach
Cause the generation of degradation product less than requiring.Analyzing reason is:First, existing combustion fan screen pack is frequently occluded, filtering
Net is in order to ensure filter effect its material density very little itself, it is easy to blocks, the poor environmental condition in scene more exacerbated
The blocking of filter screen;Secondly, screen pack can not on-line cleaning, existing combustion fan only has an air intake duct, and comburent air duct
Interior is negative pressure, combustion fan must be stopped transport if the screen pack on cleaning air intake duct top, can not realize blower fan on-line operation
When screen pack cleaning;Finally, must all stop transport combustion fan when cleaning screen pack each time, and each combustion fan is to heating
The 30-42 burner supply combustion air of the floor of Duan Yige areas 6, after combustion fan is stopped transport, bringing-up section regional temperature declines rapidly, i.e.,
Combustion fan is set to recover to be again started up sequential and be also required to certain time at once after stopping transport, this results in cleaning screen pack each time all
The larger fluctuation of whole bringing-up section temperature can be caused, this phenomenon becomes apparent when high-strength steel produces.Therefore, how combustion air is realized
The on-line cleaning of the terminal fan filter screen set such as machine, turns into the task of top priority.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of combustion fan that can clean screen pack automatically, can realize and help
The automatic on-line cleaning of screen pack, ensures the continuity of bringing-up section temperature, reduces degradation product when firing the terminal fan operations such as blower fan
Generation.
Solve above-mentioned technical problem technical scheme be:
A kind of combustion fan that can clean screen pack automatically, it is by being symmetricly set in blower fan both sides and structure identical left and right two
Part form, per part include air intake duct, the screen pack for being installed on air intake duct front end, baffle plate, cylinder link mechanism, nozzle and with
The water supply line of nozzle connection;Baffle plate is located inside air intake duct, by the rotating shaft and the air intake duct that are fixed on relative two sides of baffle plate
Relative two side rotation connection;Cylinder link mechanism is connected with PLC control system, and connecting rod is fixedly connected with rotating shaft;Nozzle position
Inside air intake duct, the water spraying direction of nozzle is towards the outside of screen pack.
A kind of above-mentioned combustion fan that can clean screen pack automatically, the air intake duct connected by tilting section with horizontal segment and
Into the front end of tilting section is located at the lower section of horizontal segment, and tilting section front end is fixed with U-shaped slideway, screen pack on two relative sides
It is installed in U-shaped slideway;Baffle plate is installed on the inside of horizontal segment, size and the air intake duct inner cross-sectional dimension phase of baffle plate
Match somebody with somebody.
A kind of above-mentioned combustion fan that can clean screen pack automatically, the nozzle are located at close inside air intake duct tilting section
At screen pack;Purge valve is installed on the water supply line.
A kind of above-mentioned combustion fan that can clean screen pack automatically, it also includes the row below air intake duct tilting section
Tank.
Free-air diffuser is changed to two by the present invention by one, is divided and is listed in blower fan both sides, before two air intake duct tilting sections
End is equipped with screen pack, and screen pack is entered by the U-shaped slideway of the upper and lower both sides of air intake duct and fixed, installation, convenient disassembly;It is double
Air intake duct can the using and the reserved, can also use simultaneously, when side or bilateral screen pack need cleaning, it is necessary to first clean side, protect
Demonstrate,prove opposite side operation, after the completion of clean opposite side again, do not allow bilateral while clean;Baffle plate is located inside air intake duct horizontal segment,
It is connected by connecting rod with cylinder, cylinder is controlled by PLC, and when needing to clean the screen pack of side, cylinder, gas are controlled by PLC
Cylinder promotes link motion, rotates clockwise or counterclockwise baffle plate, closes the air intake duct of the side;Then PLC control system is passed through
Purge valve is opened, spraying-rinsing is carried out to screen pack by nozzle;Because nozzle is located inside air intake duct tilting section close to filtering
At net, and tilting section front position is less than air intake duct horizontal segment, so the water after cleaning can be at screen pack due to Action of Gravity Field
Rhone is exited into, prevents water from entering air intake duct horizontal segment and influenceing blower fan work.
Side inlet the using and the reserved during present invention work, it is assumed that prepped side is left side, right side normal operation, now by left side
Switch to run by standby, cleaning right side screen pack.Left side baffle plate is opened by PLC control system first, makes left side air intake duct smooth
It is logical, it is ensured that left side screen pack has been completely dried;Right-hand apron is closed by PLC control system, right side purge valve is opened, to right side
Screen pack is cleaned, and the time is set as 15 minutes, and right side purge valve is closed after the completion of to be cleaned, keeps right-hand apron to close,
It is more than hour to stand 5, right side can switch to stand-by state after screen pack is completely dried after right side, and arranged on left and right sides is alternately.
Beneficial effects of the present invention are:
The present invention is by changing inlet structure, setting up nozzle and the measure such as water supply line, mistake when realizing combustion fan operation
The on-line auto-cleaning of filter screen, had both reduced the labor intensity of staff, and and can ensures cold rolling continuous annealing furnace bringing-up section temperature
Continuity, reduce the generation of degradation product;The design of U-shaped slideway avoids the screw fixation easy stripped thread of screen pack in the prior art and led
The problem of causing bolt to be fractureed by gravity, installing/dismounting is time saving, laborsaving.The present invention is simple in construction, cost is cheap, practical, tool
There is wide popularizing application prospect.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is Fig. 1 A-A direction views;
Fig. 3 is U-shaped slideway schematic diagram;
In figure mark for:Air intake duct 1, screen pack 2, baffle plate 3, cylinder 4, connecting rod 5, nozzle 6, water supply line 7, rotating shaft 8, U-shaped cunning
Road 9, purge valve 10, rhone 11, blower fan 12.
Embodiment
Fig. 1-Fig. 3 displays, a kind of combustion fan that can clean screen pack automatically of the present invention, by being symmetricly set in 12 liang of blower fan
The side and left and right two parts of structure identical are formed, include per part air intake duct 1, screen pack 2, baffle plate 3, by cylinder 4 and connecting rod 5
The cylinder link mechanism of composition, nozzle 6, the water supply line 7 being connected with nozzle 6, it is installed on water supply line 7 to be used to control and supplies water
Purge valve 10 and rhone 11;Air intake duct 1 is formed by connecting by tilting section and horizontal segment, and the front end of tilting section is located at horizontal segment
Lower section, tilting section front end are fixed with U-shaped slideway 9 on two relative sides, and screen pack 2 is installed in U-shaped slideway 9;Baffle plate 3 is located at
The inside of the horizontal segment of air intake duct 1, size and the horizontal segment inner cross-sectional dimension of air intake duct 1 of baffle plate 3 match, a left side for baffle plate 3
It is fixed with right two relative sides perpendicular to left and right both sides and coaxial rotating shaft 8, rotating shaft 8 and the horizontal segment of air intake duct 1 or so two
Side wall is rotatablely connected;Cylinder link mechanism is connected with PLC control system, and connecting rod 5 is fixedly connected with rotating shaft 8, is ensured when cylinder 5 is dynamic
When making, connecting rod 5 can promote rotating shaft 8 to drive baffle plate 3 to rotate, so as to realize closing or the opening to air intake duct 1;Fig. 1 and Fig. 2 show
Show, nozzle 6 is 4, and the side wall of the water supply line 7 being connected with nozzle 6 through air intake duct 1 enters in air intake duct 1, makes 6, nozzle
Inside the tilting section of air intake duct 1 at screen pack 2,46 square arrangements of nozzle, ensure the aqueous energy that nozzle 6 sprays
The area of screen pack 2 is enough completely covered, improves cleaning performance;The water spraying direction of nozzle 6 is towards the outside of screen pack 2;Rhone
11 below the tilting section of air intake duct 1, for containing the aqueous of the ejection of nozzle 6.
The present invention will be changed to two by free-air diffuser 1 by one in the prior art, divide the both sides for being listed in blower fan 12, two are entered
The front end of the tilting section of air flue 1 is equipped with screen pack 2, and screen pack 2 is entered and consolidated by the U-shaped slideway 9 of 1 upper and lower both sides of air intake duct
It is fixed, installation, convenient disassembly;Twin-inlet can the using and the reserved, can also use simultaneously, when side or bilateral screen pack 2 need to clean
When, it is necessary to first clean side, ensure opposite side operation, after the completion of clean opposite side again, do not allow bilateral while clean;Baffle plate 3
Inside the horizontal segment of air intake duct 1, it is connected by connecting rod 5 with cylinder 4, cylinder 4 is controlled by PLC, when the mistake for needing cleaning side
During filter screen, cylinder 4 is controlled by PLC, cylinder 4 promotes connecting rod 5 to move, rotates clockwise or counterclockwise baffle plate 3, close the side
Air intake duct 1;Then purge valve 10 is opened by PLC control system, spraying-rinsing is carried out to screen pack 2 by nozzle 6;Due to
Nozzle 6 is located inside the tilting section of air intake duct 1 at screen pack 2, and tilting section front position is less than the horizontal segment of air intake duct 1,
So the water after cleaning can exit into rhone 11 due to Action of Gravity Field at screen pack 2, prevent water from entering the water of air intake duct 1
Flat section influences the work of blower fan 12.
Claims (4)
- A kind of 1. combustion fan that can clean screen pack automatically, it is characterised in that:It is by being symmetricly set in blower fan(12)Both sides and The left and right two parts of structure identical are formed, and include air intake duct per part(1), be installed on air intake duct(1)The screen pack of front end(2)、 Baffle plate(3), cylinder link mechanism, nozzle(6)With with nozzle(6)The water supply line of connection(7);Baffle plate(3)Positioned at air intake duct(1) Inside, by being fixed on baffle plate(3)With respect to the rotating shaft on two sides(8)With air intake duct(1)Relative two side rotation connection;Cylinder Linkage is connected with PLC control system, connecting rod(5)With rotating shaft(8)It is fixedly connected;Nozzle(6)Positioned at air intake duct(1)Inside, Nozzle(6)Water spraying direction towards screen pack(2)Outside.
- A kind of 2. combustion fan that can clean screen pack automatically as claimed in claim 1, it is characterised in that:The air intake duct (1)It is formed by connecting by tilting section and horizontal segment, the front end of tilting section is located at the lower section of horizontal segment, relative two in tilting section front end U-shaped slideway is fixed with side(9), screen pack(2)It is installed on U-shaped slideway(9)In;Baffle plate(3)The inside of horizontal segment is installed on, is kept off Plate(3)Size and air intake duct(1)Inner cross-sectional dimension matches.
- A kind of 3. combustion fan that can clean screen pack automatically as claimed in claim 2, it is characterised in that:The nozzle(6) Positioned at air intake duct(1)Close to screen pack inside tilting section(2)Place;The water supply line(7)On purge valve is installed(10).
- A kind of 4. combustion fan that can clean screen pack automatically as described in claim 1 or 2 or 3, it is characterised in that:It is also wrapped Include and be located at air intake duct(1)Rhone below tilting section(11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710471223.XA CN107339243B (en) | 2017-06-20 | 2017-06-20 | Combustion-supporting fan capable of automatically cleaning filter screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710471223.XA CN107339243B (en) | 2017-06-20 | 2017-06-20 | Combustion-supporting fan capable of automatically cleaning filter screen |
Publications (2)
Publication Number | Publication Date |
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CN107339243A true CN107339243A (en) | 2017-11-10 |
CN107339243B CN107339243B (en) | 2023-08-29 |
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CN201710471223.XA Active CN107339243B (en) | 2017-06-20 | 2017-06-20 | Combustion-supporting fan capable of automatically cleaning filter screen |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008101861A (en) * | 2006-10-20 | 2008-05-01 | Dai-Dan Co Ltd | Filter device installed in ventilation duct |
CN202161863U (en) * | 2011-05-25 | 2012-03-14 | 杨光 | Automatic backwashing filter |
CN102729452A (en) * | 2012-07-19 | 2012-10-17 | 浙江大学 | Automatic circulation screen filter device for blow-molding melt |
CN103629811A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Self-powered fuel oil fan heater |
CN105617784A (en) * | 2015-12-30 | 2016-06-01 | 周桂灵 | Air filter |
CN205823669U (en) * | 2016-05-24 | 2016-12-21 | 天津金宝丰风机制造有限公司 | A kind of there is noise reduction can the gas fan of on-line cleaning |
-
2017
- 2017-06-20 CN CN201710471223.XA patent/CN107339243B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008101861A (en) * | 2006-10-20 | 2008-05-01 | Dai-Dan Co Ltd | Filter device installed in ventilation duct |
CN202161863U (en) * | 2011-05-25 | 2012-03-14 | 杨光 | Automatic backwashing filter |
CN102729452A (en) * | 2012-07-19 | 2012-10-17 | 浙江大学 | Automatic circulation screen filter device for blow-molding melt |
CN103629811A (en) * | 2013-11-08 | 2014-03-12 | 中国人民解放军总后勤部建筑工程研究所 | Self-powered fuel oil fan heater |
CN105617784A (en) * | 2015-12-30 | 2016-06-01 | 周桂灵 | Air filter |
CN205823669U (en) * | 2016-05-24 | 2016-12-21 | 天津金宝丰风机制造有限公司 | A kind of there is noise reduction can the gas fan of on-line cleaning |
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Publication number | Publication date |
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CN107339243B (en) | 2023-08-29 |
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