CN201058347Y - Horizontal type compressed air backwash air knife - Google Patents
Horizontal type compressed air backwash air knife Download PDFInfo
- Publication number
- CN201058347Y CN201058347Y CN 200720153081 CN200720153081U CN201058347Y CN 201058347 Y CN201058347 Y CN 201058347Y CN 200720153081 CN200720153081 CN 200720153081 CN 200720153081 U CN200720153081 U CN 200720153081U CN 201058347 Y CN201058347 Y CN 201058347Y
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- inlet pipe
- air inlet
- housing
- air
- shell
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Abstract
Disclosed is a horizontal blowing knife with compressed air back flowing, whose shell with two sealed ends is a column cylinder type; an air outlet is arranged on the bottom surface of the shell; an air inlet pipe is nested inside the shell, the left side end of the air inlet pipe is sealed and is close to one sealed end the shell, the right side end of the air inlet pipe is open and passes through the other sealed end of the shell; at least three discharge ports with the same size are distributed at even intervals on the axial wall of the air inlet pipe inside the shell, the three discharge ports are arranged on the same straight line, the air discharge direction of the three discharge ports are all faced to the inner wall of the shell, at least three baffle plates are arranged inside the air inlet pipe by intervals, which are respectively on the left, the middle and the right parts of the air inlet pipe; the three baffle plates are respectively close to the three discharge ports and are arranged on the left side of the three discharge ports; the left baffle plate has the same area with the inner cross section of the air inlet pipe, the middle baffle plate has half an area of the inner cross section of the air inlet pipe, the right baffle plate has one third area of the inner cross section of the air inlet pipe. The utility model can effectively clean the impurities on the surface of the strip steel, the strip steel surface has high cleanliness and the tested parameter is accurate and reliable.
Description
Technical field
The utility model belongs to the foreign material blow device that uses on the hot continuous rolling production line, particularly horizontal type compressed air backwash air knife.
Background technology
On hot continuous rolling production line, all checkout equipments that are used to measure belt steel surface all necessarily require belt steel surface not have water and foreign material, so that guarantee that the parameters of institute's measuring tape steel is true and reliable.Employed this purger on the present domestic hot continuous rolling production line, all be to utilize the method that rollgang both sides before the hot-continuous-rolling strip steel instrumentation install side water spray and the jet combination of side additional to purge, this purger at work, be difficult to the best angle of adjusting work, also be easy to make side air nozzle and water nozzle to stop up.Along with band steel continuous dipping and heaving in the course of conveying of roll line, fixing nozzle can not be followed the band steel of continuous fluctuating change continuously, be easy to make the purging ability of band steel both sides inhomogeneous, can not guarantee water and foreign material are purged effectively, influenced the accuracy of detection of checkout equipment, reduced the detection accuracy of checkout equipment, the controllable quality and the stable of production that have influenced hot-strip simultaneously to a great extent carry out.
The utility model content
The purpose of this utility model is to provide a kind of horizontal type compressed air backwash air knife, not only simple in structure, be easy to make, and can the water and the foreign material of belt steel surface be cleaned effectively, guarantee the cleanliness factor of belt steel surface, guarantee that instrumentation institute measuring tape steel hot continuous rolling process parameters is accurately reliable.
The purpose of this utility model is achieved in that a kind of horizontal type compressed air backwash air knife, comprises housing, and this housing is column casing shape, and the closed at both ends of housing is being provided with on the housing bottom surface along the axial arranged gas outlet of housing; In the housing at interval suit an air inlet pipe, the two axis of air inlet pipe and housing parallels, the left-hand end sealing of air inlet pipe and its right-hand end is unlimited, the left-hand end of air inlet pipe is against the one side closed end of housing, its right-hand end passes from housing opposite side blind end; Be positioned on the axial tube wall of air inlet pipe of housing at least three steam vents that size is identical are being set uniformly at intervals, three steam vents are located on the same line, the discharge directions of three steam vents all depart from the housing gas outlet outgassing direction and towards inner walls, a left side is being set in air inlet pipe at interval, in, right at least three baffle plates perpendicular to the air inlet pipe axis, three baffle plates are respectively near three steam vents and lay respectively at the left side of three steam vents, right baffle-plate area near the air inlet pipe left-hand end equates with cross-sectional area in the air inlet pipe, middle baffle plate area is half of the interior cross-sectional area of air inlet pipe, and right baffle plate area is 1/3 of the interior cross-sectional area of air inlet pipe.
When the utility model uses, the open end of air inlet pipe is linked to each other with compressed air gas source, because the right baffle-plate area near the air inlet pipe left-hand end equates with cross-sectional area in the air inlet pipe, middle baffle plate area is half of the interior cross-sectional area of air inlet pipe, right baffle plate area is 1/3 of the interior cross-sectional area of air inlet pipe, compressed air enters in the air inlet pipe will be subjected to the right side successively, in, stopping of three baffle plates in a left side, compressed air is applied 1/3 respectively, behind 1/2 and 1 times of resistance, compressed air flows out from 3 steam vents with the flow of total air flow 1/3 again jointly, be full of the inner chamber of housing after on the inwall of airflow strikes that these 3 steam vents flow out again, from the housing gas outlet, flow out then with flow and the pressure that equates at housing.The utility model is contained in the band steel upper and lower that is about to by before the instrumentation, housing is perpendicular with band steel length direction, the housing gas outlet is parallel and maintain a certain distance with the cross section of band steel, and the various foreign material purgings that so just belt steel surface Interference Detection instrument can be detected totally.The utility model is simple in structure, is easy to make, and can the water and the foreign material of belt steel surface be cleaned effectively, guarantees the cleanliness factor of belt steel surface, guarantees that instrumentation institute measuring tape steel hot continuous rolling process parameters is accurately reliable.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 looks cross-sectional view for master of the present utility model;
Fig. 2 is the A-A cross-sectional view among Fig. 1;
Fig. 3 is the B-B cross-sectional view among Fig. 1;
Fig. 4 is the C-C cross-sectional view among Fig. 1.
The specific embodiment
A kind of horizontal type compressed air backwash air knife, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, comprise housing 3, this housing 3 is column casing shape, the closed at both ends of housing 3, be provided with on housing 3 bottom surfaces along the axial arranged gas outlet 7 of housing, the gas outlet 7 on the housing 3 is the rectangle of slit-shaped, and the two ends of gas outlet 7 are two blind ends of close housing 3 respectively.In addition, the gas outlet 7 on the housing 3 also can be uniform nozzle, and the nozzle at two ends is two blind ends of close housing 3 respectively.The interval suit an air inlet pipe 1 in the housing 3, the two axis of air inlet pipe 1 and housing 3 parallels, the left-hand end of air inlet pipe 1 sealing and its right-hand end opens wide, the left-hand end of air inlet pipe 1 is against the one side closed end of housing 3, and its right-hand end passes from housing 3 opposite side blind ends.Housing 3 and air inlet pipe 1 can be elliptical cylinder-shape, cylindrical or prismatic respectively.Be positioned on the air inlet pipe 1 axial tube wall of housing 3 at least three steam vents 2 that size is identical are being set uniformly at intervals, three steam vents 2 are located on the same line, the discharge directions of three steam vents 2 all depart from housing 3 gas outlets outgassing direction and towards housing 3 inwalls.As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, three steam vents 2 all are positioned on the axial tube wall of air inlet pipe 1 end face, and gas pressure distribution is more even like this.At least three baffle plates 6,5,4 perpendicular to the air inlet pipe axis in left, center, right are being set in air inlet pipe 1 at interval, three baffle plates 6,5,4 are respectively near three steam vents 2 and lay respectively at the left side of three steam vents 2, right baffle-plate 6 areas near air inlet pipe 1 left-hand end equate with cross-sectional area in the air inlet pipe 1, middle baffle plate 5 areas are half of air inlet pipe 1 interior cross-sectional area, and right baffle plate 4 areas are 1/3 of air inlet pipe 1 interior cross-sectional area.During use, the open end of air inlet pipe 1 is linked to each other with compressed air gas source, because right baffle-plate 6 areas near air inlet pipe 1 left-hand end equate with cross-sectional area in the air inlet pipe 1, middle baffle plate 5 areas are half of air inlet pipe 1 interior cross-sectional area, right baffle plate 4 areas are 1/3 of air inlet pipe 1 interior cross-sectional area, compressed air enters in the air inlet pipe 1 will be subjected to the right side successively, in, three baffle plates 4 in a left side, 5,6 stop, compressed air is applied 1/3 respectively, behind 1/2 and 1 times of resistance, compressed air flows out from 3 steam vents 2 with the flow of total air flow 1/3 again jointly, be full of the inner chamber of housing 3 after on the inwall of housing 3 again through airflow strikes that this 3 steam vents 2 flow out, from housing 3 gas outlets 7, flow out then with flow and the pressure that equates, thereby can purge equably belt steel surface, improve the cleanliness factor of belt steel surface.
In addition, according to the width of band steel, suitably the length of lengthening housing 3 is provided with 3 with overhead gage simultaneously in air inlet pipe 1, so that enlarge sweep-out pattern.
Claims (5)
1. a horizontal type compressed air backwash air knife comprises housing (3), and it is characterized in that: this housing (3) is column casing shape, and the closed at both ends of housing (3) is being provided with along the axial arranged gas outlet of housing (7) on housing (3) bottom surface; The interval suit an air inlet pipe (1) in the housing (3), the two axis of air inlet pipe (1) and housing (3) parallels, the left-hand end of air inlet pipe (1) sealing and its right-hand end opens wide, the left-hand end of air inlet pipe (1) is against the one side closed end of housing (3), and its right-hand end passes from housing (3) opposite side blind end; The air inlet pipe (1) that is positioned at housing (3) axially is being provided with at least three steam vents (2) that size is identical on the tube wall uniformly at intervals, three steam vents (2) are located on the same line, the discharge directions of three steam vents (2) all depart from housing (3) gas outlet outgassing direction and towards housing (3) inwall, a left side is being set in air inlet pipe (1) at interval, in, right at least three baffle plates (6) perpendicular to the air inlet pipe axis, (5), (4), three baffle plates (6,5,4) respectively near three steam vents (2) and lay respectively at the left side of three steam vents (2), right baffle-plate (6) area near air inlet pipe (1) left-hand end equates with the interior cross-sectional area of air inlet pipe (1), middle baffle plate (5) area is half of the interior cross-sectional area of air inlet pipe (1), and right baffle plate (4) area is 1/3 of the interior cross-sectional area of air inlet pipe (1).
2. horizontal type compressed air backwash air knife according to claim 1 is characterized in that: housing (3) and air inlet pipe (1) are elliptical cylinder-shape, cylindrical or prismatic respectively.
3. horizontal type compressed air backwash air knife according to claim 1 is characterized in that: the gas outlet (7) on the housing (3) is the rectangle of slit-shaped, and the two ends of gas outlet (7) are two blind ends of close housing (3) respectively.
4. horizontal type compressed air backwash air knife according to claim 1 is characterized in that: the gas outlet (7) on the housing (3) is uniform nozzle, and the nozzle at two ends is two blind ends of close housing (3) respectively.
5. horizontal type compressed air backwash air knife according to claim 1, it is characterized in that: three steam vents (2) all are positioned on the axial tube wall of air inlet pipe (1) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720153081 CN201058347Y (en) | 2007-06-14 | 2007-06-14 | Horizontal type compressed air backwash air knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720153081 CN201058347Y (en) | 2007-06-14 | 2007-06-14 | Horizontal type compressed air backwash air knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201058347Y true CN201058347Y (en) | 2008-05-14 |
Family
ID=39406800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720153081 Expired - Fee Related CN201058347Y (en) | 2007-06-14 | 2007-06-14 | Horizontal type compressed air backwash air knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201058347Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774075A (en) * | 2014-02-11 | 2014-05-07 | 江苏大力神科技股份有限公司 | Air knife baffle plate device |
| CN104307797A (en) * | 2014-09-20 | 2015-01-28 | 张家港市胜达钢绳有限公司 | Device for removing liquid on surface of steel wire |
| CN106513459A (en) * | 2016-12-14 | 2017-03-22 | 鹤山恒基钢丝制品有限公司 | Novel air knife |
| CN111112374A (en) * | 2019-12-20 | 2020-05-08 | 安庆金田尼龙材料科技有限公司 | Air knife device |
| WO2023236640A1 (en) * | 2022-06-07 | 2023-12-14 | 中冶南方工程技术有限公司 | Strip steel edge blowing device |
-
2007
- 2007-06-14 CN CN 200720153081 patent/CN201058347Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774075A (en) * | 2014-02-11 | 2014-05-07 | 江苏大力神科技股份有限公司 | Air knife baffle plate device |
| CN103774075B (en) * | 2014-02-11 | 2015-10-28 | 江苏大力神科技股份有限公司 | A kind of air knife baffle plate device |
| CN104307797A (en) * | 2014-09-20 | 2015-01-28 | 张家港市胜达钢绳有限公司 | Device for removing liquid on surface of steel wire |
| CN106513459A (en) * | 2016-12-14 | 2017-03-22 | 鹤山恒基钢丝制品有限公司 | Novel air knife |
| CN106513459B (en) * | 2016-12-14 | 2019-02-15 | 鹤山恒基钢丝制品有限公司 | A kind of air knife |
| CN111112374A (en) * | 2019-12-20 | 2020-05-08 | 安庆金田尼龙材料科技有限公司 | Air knife device |
| WO2023236640A1 (en) * | 2022-06-07 | 2023-12-14 | 中冶南方工程技术有限公司 | Strip steel edge blowing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20110614 |