CN202097045U - Ejection device and nozzles thereof - Google Patents
Ejection device and nozzles thereof Download PDFInfo
- Publication number
- CN202097045U CN202097045U CN2011201924174U CN201120192417U CN202097045U CN 202097045 U CN202097045 U CN 202097045U CN 2011201924174 U CN2011201924174 U CN 2011201924174U CN 201120192417 U CN201120192417 U CN 201120192417U CN 202097045 U CN202097045 U CN 202097045U
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- nozzle
- spray beam
- injection apparatus
- band steel
- ejection
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Abstract
The utility model discloses an ejection device and nozzles thereof, which enable more uniform ejection so as to effectively resolve the problems of flattening spots and chromatic aberration of the band steel surfaces. A nozzle hole of each nozzle is an elliptical hole, the ratio of the long axis to the minor axis of each elliptical hole is 5:2, and the end face of each nozzle is provided with a linear guide groove thoroughly extending outwardly from the nozzle hole along the long axis of the nozzle hole. The ejection device comprise at least three mutually spaced segmented ejection beams in odd number, the plurality of evenly distributed nozzles are connected onto the ejection beams, and a distribution valve is arranged on each segment of the ejection beams correspondingly. A conveying pump is connected with a main pipeline through a check valve, and the main pipeline is connected with segments of the ejection beams through distribution pipelines and connected with a mixing case through a backflow pipeline with a backflow valve. Uniformity of liquid such as flattening liquid is guaranteed, cleanness of the band steel surfaces can be higher, rust proofing performance is higher, and production cost can be saved.
Description
Technical field
The utility model relates to the cleaning of band steel, antirust technology field, and the liquid that refers more particularly to a kind of smooth unit, polishing unit, oiling unit sprays the injection apparatus and the nozzle thereof of usefulness.
Background technology
At present; The most single flow that adopt of the spray regime of the common wet-leveling liquid of the smooth unit of domestic cold rolling mill are sprayed, and nozzle exit pressure is lower, and smooth liquid is equivalent to lean on gravity current at belt steel surface; Cause smooth liquid at the belt steel surface skewness; Large usage quantity, and it can see the residual border of tangible smooth liquid at smooth back belt steel surface when low speed, be prone to form belt steel surface aberration and smooth spot.
At present, about the research of the spray regime of smooth unit wet-leveling liquid, domestic rarely have report.The notification number of bulletin was the Chinese utility model patent " cold rolling levelling machine multi-region spray equipment " of CN201427141Y on March 24th, 2010; Belong to the smooth facility technology of cold-strip steel field; Spray equipment mainly is made up of upper and lower spray beam and upper and lower nozzle etc.; Nozzle equally spaced is arranged in and sprays up and down on the beam and communicate with it up and down, spray up and down beam respectively level be installed in the upper and lower of smooth roll porch, the quantity that sprays beam length and nozzle is up and down mated with planisher product Breadth Maximum; The spray direction of nozzle is consistent with band steel traffic direction up and down, and becomes 45 with band steel upper and lower surfaces respectively.Spray beam up and down and be divided into some independently " districts " by closure plate, " center " length and planisher product minimum widith coupling in the middle of, all the other each district's symmetries is in " center " both sides, and supplies with arm through smooth liquid and be communicated with the smooth liquid supply person in charge.This device have reduce production costs, simple in structure, advantage such as manufacturing expense is low, be applicable in planisher roll porch and install.
This patent can be practiced thrift the use of smooth liquid, reduces cost, but still fails to solve the problem that belt steel surface forms aberration and smooth spot easily.
The utility model content
In order to overcome the deficiency that belt steel surface in the existing band steel production process forms aberration and smooth spot easily,, the utility model technical problem to be solved sprays injection apparatus and the nozzle thereof that more effectively solves belt steel surface aberration and smooth spot problem thereby providing a kind of can making.
The utility model solves the technical scheme that its technical problem adopted: nozzle; Be provided with the nozzle bore that is communicated with nozzle chamber at the nozzle face center; Said nozzle bore is an elliptical aperture, also is provided with on the nozzle face by nozzle bore to extend the straight line guiding gutter that connects to its long axis direction of outer.
The major axis of said elliptical aperture is 5: 2 with the ratio of minor axis.
Adopt the injection apparatus of said nozzle, comprise spray beam, spray beam is connected with blending bin with pipeline through delivery pump, is connected with equally distributed at least three said nozzles on the spray beam.
The said spray beam segmented spray beam that the segmentation spaced apart from each other of odd number more than at least three constitutes of serving as reasons; Each segmentation correspondence is provided with a distributing valve; Said pipeline comprises trunk line and the distribution duct that is provided with distributing valve; Delivery pump is connected with trunk line through check valve, and trunk line passes through distribution duct and is connected with each segmentation, is connected through the reflux line that is provided with return valve between said trunk line and the blending bin.
Said delivery pump is a flow pump.
Said spray beam has two, and two spray beam are symmetrical set and are connected to same blending bin with respect to band steel transporting flat, and the major axis of each nozzle bore is parallel with the strip width direction on the spray beam.
Acute angle angle theta between the center line of said nozzle and the band steel transporting flat is 30 °～40 °.
Acute angle angle theta between the center line of said nozzle and the band steel transporting flat is 30 °.
The beneficial effect of the utility model is: guaranteed the uniformity that liquid such as smooth liquid spray, effectively solved belt steel surface aberration and smooth spot problem, made the belt steel surface cleannes higher, rustless property is stronger, can also save production cost.
Description of drawings
Fig. 1 is the front view of the utility model nozzle.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the sketch map of the utility model injection apparatus.
Fig. 4 is the sketch map of spray angle.
Be labeled as among the figure, stir pump 1, blending bin 2, delivery pump 3, check valve 4, return valve 5, subsequent use delivery pump 6; Check valve 7, the first distributing valves 8, the second distributing valves 9, the three distributing valves 10, spray beam 11, nozzle 12, nozzle bore 13; Nozzle face 14, straight line guiding gutter 15, trunk line 16, reflux line 17, distribution duct 18, distribution duct 19, distribution duct 20; Band steel transporting flat 21, the center line 22 of nozzle, segmentation 111, segmentation 112, segmentation 113, angle theta.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Like Fig. 1, shown in Figure 2; The nozzle of the utility model is provided with the nozzle bore 13 that is communicated with nozzle chamber at nozzle face 14 centers; Nozzle bore 13 is an elliptical aperture, also is provided with on the nozzle face 14 by nozzle bore 13 to extend the straight line guiding gutter 15 that connects to its long axis direction of outer.The nozzle that sprays the employing circular open with existing single flow is different; The nozzle bore of this kind nozzle is designed to elliptical aperture according to aerodynamic principle, and its corresponding jet face shape is fan-shaped, and the mixed liquor area coverage is increased; Under the identical situation of feed liquid pipeline pressure; Can reduce the nozzle usage quantity, obtain bigger expulsion pressure, make jeting effect even; Use the single flow nozzle ejection uneven thereby effectively overcome, surface quality problems such as cleaning performance is not good, the big band steel rustless property decline that causes of local flow, aberration.
According to Theoretical Calculation and experimental verification, when the ratio of the major axis of said elliptical aperture and minor axis was 5: 2, the improvement of its expulsion pressure and the uniformity of local flow can reach balance preferably.
Like Fig. 3, shown in Figure 4, the injection apparatus of the said nozzle of employing of the utility model comprises spray beam 11, and spray beam 11 is connected with blending bin 2 with pipeline through delivery pump, is connected with equally distributed at least three said nozzles 12 on the spray beam 11.Use this kind nozzle and make that the expulsion pressure of injection apparatus is bigger, jeting effect is more even, thereby effectively solves belt steel surface aberration and smooth spot problem.
As shown in Figure 3; The said spray beam 11 segmented spray beam that the segmentation 111,112,113 spaced apart from each other of odd number more than at least three constitutes of serving as reasons; Each segmentation 111,112,113 correspondence is provided with a distributing valve 8,9,10; Said pipeline comprises trunk line 16 and the distribution duct 18,19,20 that is provided with distributing valve 8,9,10; Delivery pump 3,6 is connected with trunk line 16 through check valve 4,7, and trunk line 16 passes through distribution duct 18,19,20 and is connected with each segmentation 111, is connected through the reflux line 17 that is provided with return valve 5 between said trunk line 16 and the blending bin 2.When strip width hour, segmentation 111, the 113 corresponding distributing valves 8,10 at control spray beam 11 two ends cut out, return valve 5 is opened simultaneously, the residual and wasting phenomenon of smooth liquid that produces in the time of can effectively preventing to produce ribbon steel saves production cost.
As shown in Figure 3, said delivery pump 3,6 is a flow pump, can supply with hydraulic fluids such as smooth liquid according to the production needs more accurately.
As shown in Figure 4, generally speaking, said spray beam 11 has two, and two spray beam 11 are symmetrical set and are connected to same blending bin 2 with respect to band steel transporting flat 21, and the major axis of each nozzle bore 13 is parallel with the strip width direction on the spray beam 11.
As shown in Figure 4; Acute angle angle theta between the center line 22 of said nozzle and the band steel transporting flat 21 is 30 °～40 °; This moment, the flushing ability of smooth liquid was preferable; Can make the preferable plate face of smooth liquid maintenance before getting into roll evenly mobile, can prevent that smooth liquid is reciprocal mobile with the operation of band steel.
For giving full play to cleaning and the rustless property of smooth liquid to the band steel, the optimal angle of above-mentioned angle theta is 30 °.
Embodiment:
Like Fig. 1～shown in Figure 4; The injection apparatus of certain belt steel flating unit comprises spray beam 11, and spray beam 11 is made up of three segmentations 111,112,113, is furnished with three nozzles 12 in the segmentation 112 in the middle of wherein being positioned at; Be positioned in the segmentation 111,113 on both sides and respectively be furnished with a nozzle 12; The length of spray beam 11 is 1200mm, and the head and the tail nozzle is each 95mm apart from spray beam 11 two ends, and the spacing that nozzle is 12 is 252.5mm; Nozzle face 14 centers of nozzle 12 are provided with the nozzle bore 13 that is communicated with nozzle chamber; Nozzle bore 13 is an elliptical aperture, also is provided with on the nozzle face 14 by nozzle bore 13 to extend the straight line guiding gutter 15 that connects to its long axis direction of outer, and the diameter of nozzle face 14 is that the minor axis length of 1.3mm. nozzle bore 13 is that 0.1mm, long axis length are 0.25mm.
Two above-mentioned spray beam 11 are symmetrical set with respect to band steel transporting flat 21; With the distance of band steel transporting flat 21 be 300mm; The major axis of each nozzle bore 13 is parallel with the strip width direction on the spray beam 11, and the acute angle angle theta between the center line 22 of nozzle and the band steel transporting flat 21 is 30 °.
According to strip width; At first open distributing valve 9, if strip width is bigger, during for example greater than 1000mm corresponding to the segmentation 112 of centre; Then open first distributing valve 8, the 3rd distributing valve 10 simultaneously corresponding to the segmentation 111,113 on both sides; Otherwise do not open first distributing valve 8, the 3rd distributing valve 10, described return valve 5 at first distributing valve 8, open when the 3rd distributing valve 10 cuts out, to practice thrift smooth liquid.
Claims (8)
1. nozzle; Be provided with the nozzle bore (13) that is communicated with nozzle chamber at nozzle face (14) center; It is characterized in that: said nozzle bore (13) is an elliptical aperture, also is provided with on the nozzle face (14) by nozzle bore (13) to extend the straight line guiding gutter (15) that connects to its long axis direction of outer.
2. nozzle as claimed in claim 1 is characterized in that: the major axis of said elliptical aperture is 5: 2 with the ratio of minor axis.
3. adopt the injection apparatus of the said nozzle of claim 1, comprise spray beam (11), spray beam (11) is connected with blending bin (2) with pipeline through delivery pump (3,6), it is characterized in that: be connected with equally distributed at least three said nozzles (12) on the spray beam (11).
4. injection apparatus as claimed in claim 3; It is characterized in that: said spray beam (11) the segmented spray beam that odd number segmentation spaced apart from each other (111,112,113) more than at least three constitutes of serving as reasons; Each segmentation (111,112,113) correspondence is provided with a distributing valve (8,9,10); Said pipeline comprises trunk line (16) and is provided with the distribution duct (18,19,20) of distributing valve (8,9,10); Delivery pump (3,6) is connected with trunk line (16) through check valve (4,7); Trunk line (16) is connected with each segmentation (111,112,113) through distribution duct (18,19,20), is connected through the reflux line (17) that is provided with return valve (5) between said trunk line (16) and the blending bin (2).
5. like claim 3 or 4 described injection apparatus, it is characterized in that: said delivery pump (3,6) is a flow pump.
6. like claim 3 or 4 described injection apparatus; It is characterized in that: said spray beam (11) has two; Two spray beam (11) are symmetrical set and are connected to same blending bin (2) with respect to band steel transporting flat (21), and the major axis of last each nozzle bore (13) of spray beam (11) is parallel with the strip width direction.
7. injection apparatus as claimed in claim 6 is characterized in that: the acute angle angle theta between center line of said nozzle (22) and the band steel transporting flat (21) is 30 °～40 °.
8. injection apparatus as claimed in claim 7 is characterized in that: the acute angle angle theta between center line of said nozzle (22) and the band steel transporting flat (21) is 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201924174U CN202097045U (en) | 2011-06-09 | 2011-06-09 | Ejection device and nozzles thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201924174U CN202097045U (en) | 2011-06-09 | 2011-06-09 | Ejection device and nozzles thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202097045U true CN202097045U (en) | 2012-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201924174U Expired - Fee Related CN202097045U (en) | 2011-06-09 | 2011-06-09 | Ejection device and nozzles thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202097045U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639078A (en) * | 2013-11-19 | 2014-03-19 | 中国计量学院 | Fractal jet-flow jet nozzle array |
| CN104324957A (en) * | 2014-11-25 | 2015-02-04 | 山东钢铁股份有限公司 | Rapid leveling liquid emptying device |
| CN104785388A (en) * | 2015-04-15 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Water jetting sprayer of car washing line |
| CN104787003A (en) * | 2015-04-15 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Line-cutting cleaning method for suspension arm type vehicle washing device |
| CN110216094A (en) * | 2018-03-02 | 2019-09-10 | 金铉泰 | The scaling powder cleaning systems of cleaning object can independently be cleaned |
| CN111971131A (en) * | 2018-04-13 | 2020-11-20 | Sms集团有限公司 | Cooling device and method for operating the cooling device |
| CN112439363A (en) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | Propylene ammonia distributor |
-
2011
- 2011-06-09 CN CN2011201924174U patent/CN202097045U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639078A (en) * | 2013-11-19 | 2014-03-19 | 中国计量学院 | Fractal jet-flow jet nozzle array |
| CN103639078B (en) * | 2013-11-19 | 2016-03-30 | 中国计量学院 | A kind of Fractal jet-flow jet nozzle array |
| CN104324957A (en) * | 2014-11-25 | 2015-02-04 | 山东钢铁股份有限公司 | Rapid leveling liquid emptying device |
| CN104785388A (en) * | 2015-04-15 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Water jetting sprayer of car washing line |
| CN104787003A (en) * | 2015-04-15 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Line-cutting cleaning method for suspension arm type vehicle washing device |
| CN110216094A (en) * | 2018-03-02 | 2019-09-10 | 金铉泰 | The scaling powder cleaning systems of cleaning object can independently be cleaned |
| CN111971131A (en) * | 2018-04-13 | 2020-11-20 | Sms集团有限公司 | Cooling device and method for operating the cooling device |
| CN112439363A (en) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | Propylene ammonia distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20160609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |