CN202779214U - Active airflow field control type wet flat board cleaning device - Google Patents
Active airflow field control type wet flat board cleaning device Download PDFInfo
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- CN202779214U CN202779214U CN 201220197074 CN201220197074U CN202779214U CN 202779214 U CN202779214 U CN 202779214U CN 201220197074 CN201220197074 CN 201220197074 CN 201220197074 U CN201220197074 U CN 201220197074U CN 202779214 U CN202779214 U CN 202779214U
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- negative pressure
- roll
- dynamic sealing
- pressure cavity
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Abstract
The utility model relates to an active airflow field control type wet flat board cleaning device which is located above strip steel on an outlet of a temper mill and mainly comprises a strip steel flattening fluid blowing device, a dynamic sealing device and a negative pressure sucking-off device; airflow direction of the strip steel flattening fluid blowing device right aims at the direction of a roll gap; the dynamic sealing device comprises a roll dynamic sealing element and a gas collecting device which is connected with the negative pressure sucking-off device in a butt joint mode; the roll dynamic sealing element and a roll are dynamically sealed in a contacted mode; the gas collecting device is mounted on the negative pressure sucking-off device and can advance and retreat with the negative pressure sucking-off device in a synchronous mode; the gas collecting device is a combination type adjustable type gas channel which is arranged in a inclined upwards mode; one end of the combination type adjustable type gas channel aims at the direction of the roll gap; the other end of the combination type adjustable type gas channel is connected with an opening side of a negative cavity of the negative pressure sucking-off device in a butt joint mode; and a gas collecting space is formed by four sides of the combination type adjustable type gas channel, the roll dynamic sealing element, the strip steel and a working roll all the time. The active airflow field control type wet flat board cleaning device can avoid the shortcomings of splashing , residual, dripping of the flatting fluid and the like due to airflow backward spray.
Description
Technical field
The utility model belongs to the cold rolling levelling technical field, is specifically related to a kind of smooth process units that promotes smooth product surface quality, and this application of installation is in all kinds of cold rolling levelling units.
Background technology
Smooth unit is in adopting wet smooth mode production process, and is residual for fear of producing smooth liquid on the finished strip surface, usually adopts compressed air that the finished strip surface is purged.In purge, when purging compressed air pressure when low, the complete smooth liquid of shutoff; When the purging compressed air pressure is excessive, can produce stronger air-flow reflection.Because planisher outlet space structure is complicated, the reflected gas stream direction is mixed and disorderly, very easily produces the defectives such as the smooth liquid that causes splashes, residual, drippage because air-flow reflects.For addressing the above problem, some production line adopts the mode of negative pressure suction to process the residual smooth liquid of belt steel surface.Yet, adopt the mode of negative pressure suction very high to the airtight requirement of suction hood, as solving the airtight of suction hood, adopt the method for negative pressure suction can't remove the residual smooth liquid of belt steel surface fully.Because in the formation process, strip width alters a great deal, also be difficult to avoid with the vibration in the steel running, therefore, the negative pressure suction method also is difficult to solve smooth liquid residue problem, and the smooth liquid residue problem in the wet formation process perplexs modern smooth production all the time.
The utility model content
The technical problems to be solved in the utility model is: all can't thoroughly solve the residual technical barrier of smooth liquid for purging or aspirate in the wet formation process, a kind of active flow field control formula formation plate face cleaning device that wets is provided, smooth fluid-tight is got lodged in the entrance side of planisher, and can avoid owing to defectives such as smooth liquid that air-flow reflection causes splashes, residual, drippages.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The active flow field control formula formation plate face cleaning device that wets is positioned at the band steel top of planisher outlet, it is characterized in that mainly comprising belt steel flating liquid blow device, gas collector, negative suction system and roll dynamic sealing; Belt steel flating liquid blow device jet-impingement direction is over against the roll gap direction; Roll dynamic sealing and the sealing of top working roll dynamic Contact; Be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, roll dynamic sealing and gas collector are installed and are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat; Gas collector is the combined type adjustable type gas passage that is tilted to setting, one end of passage is aimed at the roll gap direction and is docked with the roll dynamic sealing is movable, the negative pressure cavity open side of the other end and negative suction system connects, and forms all the time a gas collection space between adjustable type gas passage and roll dynamic sealing, band steel, the top working roll.
Gas collector mainly comprises the side plate of top board, both sides and the telescopic flow guiding plate relative with top board; Top board one end and roll dynamic sealing dynamic Contact, the other end is connected with the top board of negative pressure cavity; The side plate of both sides is equipped with the side plate drive unit and can separates or close up along the strip width direction under the effect of this device; The telescopic flow guiding plate is arranged on the bottom surface of negative pressure cavity and can be on the bottom surface slides with respect to negative pressure cavity and stretch out; The relative position of the external part of telescopic flow guiding plate and belt steel flating liquid blow device is constant and do not affect the direction that purges air-flow; All the time form a gas collection space between side plate, top board, roll dynamic sealing, telescopic flow guiding plate and band steel, the working roll.
Be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, side plate, top board, roll dynamic sealing, telescopic flow guiding plate are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat.
Negative suction system comprises negative pressure cavity and is arranged on the pipeline and the control valve that is connected with negative pressure cavity that negative pressure cavity is flat cube, is provided with the grid that connects with gas collector along strip width direction bilateral symmetry in the negative pressure cavity.
Belt steel flating liquid blow device mainly is comprised of purging beam, nozzle, control valve, pipeline, many pipelines are arranged on the purging beam with the form of branch, be provided with control valve on each pipeline, nozzle is disposed in groups in alignmently and purges on the beam, and the injector spacing in same group is less than on the same group nozzle sets spacing not.
Nozzle quantity can be according to the width setting with steel, and each nozzle is flow and the adjustable nozzle of pressure.
The roll dynamic sealing is rubber blanket.
The side plate drive unit comprises with the motor of reduction box and the feed screw nut that links to each other with motor.
The use procedure of this device is: the wet formation plate face cleaning device place of active flow field control formula that surveys successively a roller, entrance pass line roller, inlet anti-crease rollers, upper working rolls and lower working rolls arrival exit with steel by the entrance of smooth unit; The device that planisher arranges by the porch carries out smooth liquid and sprays, the mode that the air-flow generating source of belt steel flating liquid blow device and negative suction system are complementary is controlled the airflow direction of planisher exit region, smooth fluid-tight is got lodged in the entrance side of planisher in the exit, simultaneously, because the application of roll dynamic sealing and gas collecting device, avoid splashing owing to purging the mixed and disorderly smooth liquid that causes of air-flow reflection direction, and then promote the surface quality of finished strip.
This device is the airflow field principle of utilizing belt steel flating liquid blow device and gas collector to form, be integrated as the purging air-flow with negative suction system and make loop, can also utilize the telescopic flow guiding plate to guide compressed-air actuated direction in this process, eliminate the frame exit owing to purge the compressed air turbulent flow phenomenon that forms, avoid smooth liquid to remain in surface with steel, and then promote the surface quality of finished strip.Negative suction system is provided with control valve on the loop, this control valve can be used with the control valve of belt steel flating liquid blow device, regulate in real time the pressure of aspiration circuit with the surface quality of steel according to outlet, and the tolerance of blow device, can reduce compressed-air actuated consumption like this, reduce production costs, also can reduce noise simultaneously.This device has stronger versatility, can be widely used in all kinds of cold rolling levelling units.
Description of drawings:
Fig. 1: according to the wet formation plate face cleaning device structural representation of the active flow field control formula of the utility model enforcement;
Fig. 2: blow device structural representation;
Fig. 3: roll dynamic sealing, gas collector, negative suction system structural representation (front view);
The side view of Fig. 4: Fig. 3.
The A of Fig. 5: Fig. 4 is to local (gas collector position) zoomed-in view.
Description of reference numerals among each figure: 1-top working roll; 2-is with steel; 3-entrance pass line roller; The 4-entrance is surveyed a roller; The 5-inlet anti-crease rollers; The smooth liquid jetting device of 6-; The 7-bottom working roll; The 8-negative suction system; 9-belt steel flating liquid blow device; The 10-gas collector; 9-1-purges beam; The 9-2-nozzle; The 9-3-control valve; The 9-4-pipeline; 11-feed screw nut; The 12-reduction box; The 13-motor; 10-1-roll dynamic sealing; The 10-2-side plate; The 10-3-top board; The 8-1-negative pressure cavity; The 14-hydraulic cylinder; The 8-2-control valve; The 8-3-pipeline; 10-4 telescopic flow guiding plate; 2-is with steel; The 1-top working roll.
The specific embodiment:
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing 1-5, but do not limit the utility model.
Referring to Fig. 1-5: the wet formation plate face cleaning device of active flow field control formula of implementing by the utility model is positioned at the planisher outlet, mainly comprises the belt steel flating liquid blow device 9, roll dynamic sealing 10-1, gas collector 10, the negative suction system 8 that are arranged on the steel top.
The blow device structural representation as shown in Figure 2.The belt steel flating liquid blow device 9 that is positioned at planisher outlet with over against the roll gap direction, sprays compressed air to the planisher entrance side as the air-flow generating source, and the smooth fluid-tight that entrance roll gap place is piled up gets lodged in the entrance side of planisher; Form air cushion at belt steel surface simultaneously, avoid smooth impurity to drop on the finished strip surface.This device mainly is comprised of purging beam 9-1, nozzle 9-2, control valve 9-3, pipeline 9-4, many pipeline 9-4 are arranged on the form of branch and purge beam 9-1, be provided with control valve 9-3 on each pipeline 9-4, nozzle 9-2 is disposed in groups in alignmently and purges on the beam 9-1, and the injector spacing in same group is less than the nozzle sets spacing between on the same group not.The quantity that nozzle 9-2 opens can be selected arbitrarily according to the width with steel, the flow of each nozzle 9-2 and pressure also can be regulated by control valve 9-3, have not only satisfied the demand of the smooth liquid of shutoff but also can be complementary with roll dynamic sealing 10-1, gas collector 10 and negative suction system 8 when the flow of accomplishing all the time speed, the product specification when unit, smooth liquid changes to go out the stable airflow field of interruption-forming airflow direction at planisher.
The structural representation of roll dynamic sealing 10-1, gas collector 10, negative suction system 8 is shown in Fig. 3-5.
The roll dynamic sealing 10-1 of heat resistant and wear resistant and top working roll dynamic Contact form sealing.Roll dynamic sealing 10-1 is rubber blanket.
After negative suction system 8 advances or retreats, but the length that manual adjustments telescopic flow guiding plate 10-4 stretches out remains it and to purge relative position between the beam 9-1 constant and do not affect the direction that purges the beam air-flow.Above-mentioned gas collection space can also and utilize telescopic flow guiding plate 10-4 to adjust airflow direction by negative pressure intensity in the adjusting of the control valve 8-2 in the negative suction system 8 negative pressure cavity 8-1, realize that the closed area air-flow moves towards control, avoid the smooth liquid residual defects that causes in a jumble owing to reflected gas stream, thereby reach the purpose of cleaning belt steel surface.
Negative suction system 8 comprises negative pressure cavity 8-1 and is arranged on the control valve 8-2 that pipeline 8-3 is upper and be connected with negative pressure cavity 8-1, negative pressure cavity 8-1 is flat cube, side opening towards roll gap, be provided with grid (dotted line represents among Fig. 3) along strip width direction bilateral symmetry in the negative pressure cavity 8-1, so that at side plate 10-2 steel width change going along with and during sidesway, gas collector 10 docks all the time with the open side of negative pressure cavity 8-1, and keeping the gas collection space is the closed area.
The use procedure of this device is as shown in Figure 1: survey a roller 4, entrance pass line roller 3, inlet anti-crease rollers 5, upper working rolls and lower working rolls (1 by the entrance of smooth unit successively with steel 2; 7) the wet formation plate face cleaning device place of the active flow field control formula in arrival exit; The device 6 that planisher arranges by the porch carries out smooth liquid and sprays, the purging that the air-flow generating source of belt steel flating liquid blow device 9 and negative suction system 8 are complementary and the airflow direction that aspirates combination control planisher exit region, smooth fluid-tight is got lodged in the entrance side of planisher in the exit, simultaneously, because the application of gas collector 10 and roll dynamic sealing 10-1 is avoided splashing owing to purging the mixed and disorderly smooth liquid that causes of air-flow reflection direction.This device is the principle of utilizing airflow field, and be integrated as with negative suction system 8 and purge air-flow and make loop, and can utilize telescopic flow guiding plate 10-4 to guide compressed-air actuated direction, eliminate the frame exit owing to purge the compressed air turbulent flow phenomenon that forms, avoid smooth liquid to remain in surface with steel, and then promote the surface quality of finished strip.Negative suction system is provided with control valve on 8 loops, this control valve can be used with the control valve of belt steel flating liquid blow device, regulate in real time the pressure of aspiration circuit with the surface quality of steel according to outlet, and the tolerance of blow device, can reduce compressed-air actuated consumption like this, reduce production costs, also can reduce noise simultaneously.This device has stronger versatility, can be widely used in all kinds of cold rolling levelling units.
Above disclosed only is preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalence of therefore doing according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (8)
1. the wet formation plate face cleaning device of active flow field control formula is positioned at above the band steel of planisher outlet, it is characterized in that mainly comprising belt steel flating liquid blow device, gas collector, negative suction system and roll dynamic sealing; Belt steel flating liquid blow device jet-impingement direction is over against the roll gap direction; Roll dynamic sealing and the sealing of top working roll dynamic Contact; Be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, roll dynamic sealing and gas collector are installed and are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat; Gas collector is the combined type adjustable type gas passage that is tilted to setting, one end of passage is aimed at the roll gap direction and is docked with the roll dynamic sealing is movable, the negative pressure cavity open side of the other end and negative suction system connects, and forms all the time a gas collection space between adjustable type gas passage and roll dynamic sealing, band steel, the top working roll.
2. plate face cleaning device according to claim 1, it is characterized in that: gas collector mainly comprises the side plate of top board, both sides and the telescopic flow guiding plate relative with top board; Top board one end and roll dynamic sealing dynamic Contact, the other end is connected with the top board of negative pressure cavity; The side plate of both sides is equipped with the side plate drive unit and can separates or close up along the strip width direction under the effect of this device; The telescopic flow guiding plate is arranged on the bottom surface of negative pressure cavity and can be on the bottom surface slides with respect to negative pressure cavity and stretch out; The relative position of the external part of telescopic flow guiding plate and belt steel flating liquid blow device is constant and do not affect the direction that purges air-flow; All the time form a gas collection space between side plate, top board, roll dynamic sealing, telescopic flow guiding plate and band steel, the working roll.
3. plate face cleaning device according to claim 1 and 2, it is characterized in that: be provided with the hydraulic cylinder consistent with the incline direction of negative pressure cavity on the negative suction system, side plate, top board, roll dynamic sealing, telescopic flow guiding plate are installed on the negative pressure cavity, and can advance along with the variation in roller footpath under the effect of hydraulic cylinder or retreat.
4. plate face cleaning device according to claim 3, it is characterized in that: negative suction system comprises negative pressure cavity and is arranged on the pipeline and the control valve that is connected with negative pressure cavity, negative pressure cavity is flat cube, is provided with the grid that connects with gas collector along strip width direction bilateral symmetry in the negative pressure cavity.
5. according to claim 1 and 2 or 4 described plate face cleaning devices, it is characterized in that: belt steel flating liquid blow device mainly is comprised of purging beam, nozzle, control valve, pipeline, many pipelines are arranged on the purging beam with the form of branch, be provided with control valve on each pipeline, nozzle is disposed in groups in alignmently and purges on the beam, and the injector spacing in same group is less than on the same group nozzle sets spacing not.
6. plate face cleaning device according to claim 5, it is characterized in that: each nozzle is flow and the adjustable nozzle of pressure.
7. according to claim 1 and 2 or 4 or 6 described plate face cleaning devices, it is characterized in that: the roll dynamic sealing is rubber blanket.
8. plate face cleaning device according to claim 7 is characterized in that: the side plate drive unit comprises with the motor of reduction box and the feed screw nut that links to each other with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197074 CN202779214U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type wet flat board cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197074 CN202779214U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type wet flat board cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN202779214U true CN202779214U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220197074 Expired - Lifetime CN202779214U (en) | 2012-05-04 | 2012-05-04 | Active airflow field control type wet flat board cleaning device |
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| Country | Link |
|---|---|
| CN (1) | CN202779214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671970A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active flow field controlling type wet leveling board surface cleaning device |
-
2012
- 2012-05-04 CN CN 201220197074 patent/CN202779214U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671970A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active flow field controlling type wet leveling board surface cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20150128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20150128 |
|
| RGAV | Abandon patent right to avoid regrant |