CN205978492U - Laborsavingly prevent stifled sintering machine bellows flap valve structure - Google Patents
Laborsavingly prevent stifled sintering machine bellows flap valve structure Download PDFInfo
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- CN205978492U CN205978492U CN201620986594.2U CN201620986594U CN205978492U CN 205978492 U CN205978492 U CN 205978492U CN 201620986594 U CN201620986594 U CN 201620986594U CN 205978492 U CN205978492 U CN 205978492U
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- flap valve
- bellows
- turnover panel
- sintering machine
- valve body
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Abstract
The utility model relates to a laborsavingly prevent stifled sintering machine bellows flap valve structure, including the bellows flap valve, the sintering machine bellows on the upper portion of bellows flap valve, reducing pipe, connecting bend, connection expansion joint, connection straight tube and the flue of the lower part of bellows flap valve, the bellows flap valve include the valve body, turn over the board axle and turn over the board, its characterized in that is in the upper portion both sides of valve body install the bearing frame, turn over the board axle inserts the pipe that turns over board upper portion through the bearing frame in the bearing frame inboard be equipped with the rubber asbestos between the board axle and seal with turning over, solid lubricant for the bearing bolt fastening on the bearing frame the one end of turning over the board axle be equipped with the turning arm, the turning arm passes through the connecting rod to be connected on electric actuator's turning arm, is equipped with the counter weight turning arm and the weight linear meter of taking the balancing weight at the other end that turns over the board axle. The utility model discloses thoroughly solve this difficult problem that ignition bellows negative pressure was controlled, avoided taking out in fact and the crust phenomenon, make the loading and unloading capacity improvement of sintering machine, the cost reduction of sintering deposit.
Description
Technical field
This utility model belongs to metallurgical technology field, particularly to the laborsaving anti-blocking sintering machine wind box flap valve of one kind.
Background technology
Sintering machine wind box flap valve is one of key equipment of sintering machine, and the production process of sintering is by mixed sintering
Raw material is layered on sintering pallet, equipped with castor bar on trolley body, leaves certain gap between castor bar, when being covered with raw materials for sintering
When lighter, the raw materials for sintering of trolley surface is ignited chassis, and in the presence of the bellows convulsion of chassis bottom, burning zone will
Continuous burning from top to bottom, when chassis runs to sintering machine afterbody, raw materials for sintering is burned at castor bar, whole sintering process knot
Bundle.
Because raw materials for sintering is granular material, be covered with certain thickness raw material chassis enter lighter when, in bellows
In the presence of the negative pressure of more than 1Mpa, it is that substantial amounts of air passes through raw materials for sintering layer suction bellows first, chassis continues to run with one
After segment distance when lighter burner, it is drawn in top layer by the thermal-flame that burner sprays, make top layer raw materials for sintering by point
Combustion it is achieved that sintering machine produce ignition process.If now the negative pressure of bellows is too high, it will cause the air quantity mistake by the bed of material
Greatly, the small particles material such as coal dust in raw materials for sintering is made to move to the bottom of the bed of material at higher wind speeds from the gap of raw materials for sintering,
The density making the bed of material increases, the thickness of the bed of material reduces and the breathability of the bed of material declines.Higher bellows negative pressure also can cause burner
The thermal-flame suction bed of material spraying is too deep, and skin temperature is too high to make raw materials for sintering crust, and so that breathability is declined, in SINTERING PRODUCTION
Middle former phenomenon is called to take out reality, and latter phenomenon is called crust, under both phenomenons all can cause the breathability of the bed of material serious
Fall, makes the air quantity that the bed of material passes through reduce, and the minimizing of air quantity makes the amount of oxygen that maintenance material burns reduce, and makes the burning velocity of sintering
Decline.The production capacity of sintering machine is brought with very big impact, so that the cost of sintering deposit is improved.Prior art in order to solve to take out real and
Crust problem, using igniting bellows downdraft pipe at be provided with bellows flap valve, with adjust turnover panel opening degree size Lai
Control the negative pressure of bellows.It is connected with sintering machine wind box above flap valve, the following of flap valve is connected with bellows bend pipe, and bellows are curved
Gutron crosses expansion joint and straight tube is connected to large flue to upper.
The bellows flap valve of prior art mostly using turnover panel rotating shaft in the form of turnover panel middle, those skilled in the art are referred to as
In turn over formula turnover panel, turn over formula turnover panel in this and often blocked, due to turnover panel to close more than 80～90% just can make bellows negative pressure reduce
To suitable negative pressure, the gap very little of turnover panel upper and lower, bellows convulsion makes raw materials for sintering small particles material from trolley body castor
The gap of bar enters bellows, is to block the gap of turnover panel bottom first, and when more than solid accumulation to rotating plate shaft, turnover panel is just no
Method is realized rotating.Most domestic sintering machine specifies 4～5 hours to be repeatedly opened and closed turnover panel in production operation system at present, its
Purpose is the buildup removed on turnover panel, it is to avoid turnover panel is blocked.The bellows that formula flap valve cannot realize constant negative pressure are turned in use
Negative pressure, is blocked to turnover panel bottom gap by material after drop in leaf repeatedly, and declining, once material amassed occurs in the negative pressure of bellows
The axis of turnover panel, the negative pressure of bellows will be unable to control, and the phenomenon of whole bellows inner product full with substance often, due in the formula of turning over turn over
Plate is often blocked in producing, and turnover panel is reached maximum by most domestic sintering machine, although so avoid bellows being blocked,
Material is taken out reality and surface ignition encrustation phenomena is just inevitable.
The technical staff of sintering industry is solving this difficult problem by every means, sees the patent No.：02266862.4, " sintering
In machine bellows butterfly valve " patented technology, " change original bellows structure, turnover panel be arranged on the upside of standpipe, thus decrease right
The resistance of waste gas ", is clear that from the Figure of description of technique the rotating shaft of turnover panel is changed to the top of turnover panel, so may be used
So that turnover panel is fully open, even if stifled material of having expired also is not result in that turnover panel cannot be opened.But, for many years could not be on sintering machine
Popularization and application, its main cause is that turnover panel double side acting different negative pressure, the negative pressure of upper surface in 8KPa, and under turnover panel
The negative pressure in face up to 13-17KPa about, bellows turnover panel to be closed in normal production, the pressure reduction of turnover panel upper and lower surface is up to
9KPa, the area of larger sintering machine turnover panel is close to 1m2, when closing turnover panel, make turnover panel stress be up to 917.7 Kilogram Force Per Meters2, cause
Rotate difficult during production operation, the flexibility ratio of turnover panel is poor, brings bigger load to electric operator, practicality is poor,
So, technique could not smoothly popularization and application.
See the patent No.：CN103453162A, " sintering machine tiny structure adjusts valve ", from " sintering machine of the present utility model is micro- negative
Pressure adjustment valve directly adjusts the opening and closing degree of turnover panel by driving mechanisms control push strut " visible, because push strut acts directly on
On flap valve, the push-and-pull twisted seat of turnover panel is to do curvilinear motion, and valve body will be outputed long hole of slitting, and push-pull bar enters valve from long hole of slitting
The interior push-and-pull seat with turnover panel tangles, in 17KPa about negative pressure under, elongated hole good seal that push-pull bar is moved, be difficult to real
Existing, if sealing is bad, the particulate material going out top lighter ejection from this will be inhaled in bellows turnover panel, at long hole of slitting
It is bigger that gap is washed quickly, so, technique could not smoothly popularization and application.
Sintering industry suddenly treats simple and reliable new-type bellows turnover panel, solves this difficult problem present in SINTERING PRODUCTION, realizes
The optimum igniting state of SINTERING PRODUCTION, makes the overall air permeability of sintering improve, and improves the production capacity of sintering machine, reduces sintering deposit
Cost.
Content of the invention
This utility model overcomes the shortcoming and defect of prior art, provides a kind of simple and practical, good seal performance, runs
Steadily, laborsaving anti-blocking sintering machine wind box flap valve easy to maintenance is it is achieved that the control steady in a long-term of ignition of sintering process negative pressure
System.
This utility model is achieved through the following technical solutions：
A kind of laborsaving anti-blocking sintering machine wind box flap valve of this utility model, including bellows flap valve, bellows flap valve
Top be connected with sintering machine wind box, the bottom of bellows flap valve be connected with turn reducer pipe, connecting bend, connect expansion joint,
Connect straight tube and flue, described bellows flap valve includes valve body, rotating plate shaft and turnover panel it is characterised in that in described valve body
Top both sides are provided with bearing block, and rotating plate shaft inserts in the pipe on turnover panel top by bearing block, and rotating plate shaft is justified with turnover panel top
Effective bolt is fixedly connected, and is provided with rubber asbestos sealing, bearing with solid lubricant inside described bearing block and rotating plate shaft between
It is fixed by bolts on bearing block, is provided with connecting lever in one end of described rotating plate shaft, connecting lever is connected to electronic execution by connecting rod
On the connecting lever of mechanism, the other end of described rotating plate shaft is provided with counterweight connecting lever, and counterweight connecting lever connects weight linear meter, outstanding on weight linear meter
Hang polylith balancing weight.
Further, it is provided with flange above described valve body, closure is connected on flange, correspond to turnover panel in closure
The position of top pipe is provided with sealing plate.
Further, it is provided with deflector on described valve body top.
Further, it is provided with abrasion-proof backing block in described deflector.
Further, at described turnover panel and turnover panel corresponding valve body face, abrasion-proof backing block is also installed.
This utility model in advantage is：Using counterweight to one adjustable moment of rotating plate shaft, adjust counterweight amount and change power
The size of square and with negative pressure to turnover panel equalising torque, existing sintering machine is transformed do not need change electric operator, change
Make investment less, power consumption is less.
For the different sintering machine of main exhauster negative pressure, the pressure reduction of turnover panel top and bottom also differs, and can be joined by adjustment
Pouring weight number, so that electric operator is closed, electric current during turnover panel is minimum opens turnover panel it is achieved that easily closing.
As long as this kind of technical scheme is slightly transformed it is possible to thoroughly solve point on the basis of existing sintering machine wind box turnover panel
This difficult problem of windburn case vacuum cavitations, it is to avoid take out reality and encrustation phenomena, makes the production capacity of sintering machine improve, sintering deposit
Cost declines.
The utility model has the advantages that：
1st, by the adjustment to counterweight amount, adapt to the sintering machine of various different negative pressure；
2nd, balance the torque of negative pressure formation with counterweight, so that the load of electric operator is greatly reduced, close turnover panel
When make turnover panel stress only have 100 Kilogram Force Per Meters2Hereinafter, saves energy, reduces the abrasion of electric operator driving member, extends
The service life of electric operator, decreases repair and maintenance amount；
3rd, this utility model is simple and practical, and the workload transformed on the basis of existing technology is seldom it is not necessary to more
Change more powerful electric operator；
4th, valve body top is provided with flange, and closure is arranged on flange, opens closure and very easily can change turnover panel,
It is provided with sealing plate at the pipe of closure corresponding turnover panel top, effectively seal leaking out of turnover panel top；
5th, due to during normal production valve turnover panel to close more than 80%, be provided with deflector on valve body top, can be effective
Reduce the resistance to air-flow, also slow down this material of air-flow band to the abrasion at shock surface.Turnover panel top pipe and rotating plate shaft with
The fixing bolt of pipe is in the downside of deflector, has avoided the erosive wear with material for the air-flow.Deflector, turnover panel and turnover panel
Corresponding valve body surface installs abrasion-proof backing block, and above measure effectively extends the service life of flap valve；
6th, the width making turnover panel after being provided with deflector is greatly reduced, and so that negative pressure is reduced to the moment of turnover panel, rotates
More laborsaving, change turnover panel and be more convenient；
7th, the opening adjustment of turnover panel, well afterwards it is not necessary to regular timing drop in leaf, makes igniting negative pressure steady in a long-term, prevents
Take out real encrustation phenomena, more can meet the requirement of production.
Brief description
Fig. 1 is the schematic diagram that flap valve is installed on sintering machine.
Fig. 2 is sectional drawing at turnover panel of the present utility model.
Fig. 3 is the A-A view of this utility model Fig. 2.
Fig. 4 is the section amplification figure of this utility model flap valve.
Specific embodiment
Further illustrate specific embodiment of the present utility model below in conjunction with the accompanying drawings.
As shown in Figure 1-Figure 3, a kind of laborsaving anti-blocking sintering machine wind box flap valve of this utility model, including bellows turnover panel
Valve 1, the top of bellows flap valve 1 is connected with sintering machine wind box 2, and the bottom of bellows flap valve 1 is connected with reducer pipe 3 in turn, connects
Connect elbow 4, connect expansion joint 5, connect straight tube 6 and flue 7, described bellows flap valve 1 include valve body 1-1, rotating plate shaft 1-3 and
It is characterised in that being provided with bearing block 1-2 in the top both sides of described valve body 1-1, rotating plate shaft 1-3 passes through bearing to turnover panel 1-4
Seat 1-2 inserts in the pipe 1-5 on turnover panel 1-4 top, and rotating plate shaft 1-3 is fixedly connected with turnover panel top pipe 1-5 bolt 1-6,
It is provided with rubber asbestos sealing 1-7, bearing with solid lubricant 1-8 bolt and rotating plate shaft 1-3 between inside described bearing block 1-2
1-9 is fixed on bearing block 1-2, is provided with connecting lever 1-10 in one end of described rotating plate shaft 1-3, and connecting lever 1-10 passes through linkage
1-11 is connected on the connecting lever 1-13 of electric operator 1-12, and the other end of described rotating plate shaft 1-2 is provided with counterweight connecting lever 1-
14, counterweight connecting lever 1-14 connects weight linear meter 1-15, weight linear meter 1-15 hangs polylith balancing weight 1-16.
Further, it is provided with flange 1-17 above described valve body 1-1, closure 1-18 is connected on flange 1-17,
It is provided with sealing plate 1-19 in the position of the corresponding turnover panel top pipe 1-5 of closure 1-18.It is provided with water conservancy diversion on described valve body top
Plate 1-20,
Further, it is provided with abrasion-proof backing block 1-21 in described deflector 1-20.
Further, at described turnover panel 1-4 and turnover panel 1-4 corresponding valve body face, abrasion-proof backing block 1-22 is also installed.
This utility model is provided with flange on valve body top, and closure is arranged on flange, and opening closure can be very convenient
Replacing turnover panel, be provided with sealing plate at the pipe of closure corresponding turnover panel top, effectively the leaking out of sealing turnover panel top.
Claims (5)
1. a kind of laborsaving anti-blocking sintering machine wind box flap valve, including bellows flap valve, the top of bellows flap valve and sintering
Machine bellows connect, and the bottom of bellows flap valve is connected with reducer pipe, connecting bend in turn, connects expansion joint, connects straight tube and cigarette
Road, described bellows flap valve includes valve body, rotating plate shaft and turnover panel it is characterised in that installing in the top both sides of described valve body
There is bearing block, rotating plate shaft is inserted in the pipe on turnover panel top by bearing block, and rotating plate shaft is fixed with turnover panel top pipe bolt
Connect, be provided with rubber asbestos sealing inside described bearing block and rotating plate shaft between, bearing with solid lubricant is fixed by bolts to
On bearing block, it is provided with connecting lever in one end of described rotating plate shaft, connecting lever is connected on the connecting lever of electric operator by connecting rod,
The other end of described rotating plate shaft is provided with counterweight connecting lever, and counterweight connecting lever connects weight linear meter, and weight linear meter hangs polylith balancing weight.
2. laborsaving anti-blocking sintering machine wind box flap valve according to claim 1 is it is characterised in that in described valve body
Above be provided with flange, closure is connected on flange, is provided with sealing plate in the position of closure corresponding turnover panel top pipe.
3. laborsaving anti-blocking sintering machine wind box flap valve according to claim 1 is it is characterised in that in described valve body
Top is provided with deflector.
4. laborsaving anti-blocking sintering machine wind box flap valve according to claim 3 is it is characterised in that in described water conservancy diversion
Plate is provided with abrasion-proof backing block.
5. laborsaving anti-blocking sintering machine wind box flap valve according to claim 1 is it is characterised in that in described turnover panel
With at turnover panel corresponding valve body face, abrasion-proof backing block is also installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986594.2U CN205978492U (en) | 2016-08-31 | 2016-08-31 | Laborsavingly prevent stifled sintering machine bellows flap valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986594.2U CN205978492U (en) | 2016-08-31 | 2016-08-31 | Laborsavingly prevent stifled sintering machine bellows flap valve structure |
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| Publication Number | Publication Date |
|---|---|
| CN205978492U true CN205978492U (en) | 2017-02-22 |
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| CN201620986594.2U Active CN205978492U (en) | 2016-08-31 | 2016-08-31 | Laborsavingly prevent stifled sintering machine bellows flap valve structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122491A (en) * | 2016-08-31 | 2016-11-16 | 吴�琳 | A kind of laborsaving anti-blocking sintering machine wind box flap valve |
| CN109780225A (en) * | 2019-01-21 | 2019-05-21 | 秦皇岛隆正科技有限公司 | Sintering machine wind box volume damper |
| CN112780798A (en) * | 2021-01-27 | 2021-05-11 | 北京中冶设备研究设计总院有限公司 | Three-way air intake reversing device applied to sintering flue gas circulation air box vertical pipe |
-
2016
- 2016-08-31 CN CN201620986594.2U patent/CN205978492U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122491A (en) * | 2016-08-31 | 2016-11-16 | 吴�琳 | A kind of laborsaving anti-blocking sintering machine wind box flap valve |
| CN109780225A (en) * | 2019-01-21 | 2019-05-21 | 秦皇岛隆正科技有限公司 | Sintering machine wind box volume damper |
| CN112780798A (en) * | 2021-01-27 | 2021-05-11 | 北京中冶设备研究设计总院有限公司 | Three-way air intake reversing device applied to sintering flue gas circulation air box vertical pipe |
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| GR01 | Patent grant |