CN206153295U - Hot -rolling seamless pipe control cooling is with annular impingement air cooling device - Google Patents
Hot -rolling seamless pipe control cooling is with annular impingement air cooling device Download PDFInfo
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- CN206153295U CN206153295U CN201621164649.8U CN201621164649U CN206153295U CN 206153295 U CN206153295 U CN 206153295U CN 201621164649 U CN201621164649 U CN 201621164649U CN 206153295 U CN206153295 U CN 206153295U
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- chiller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a hot -rolling seamless pipe control cooling is with annular impingement air cooling device, includes first water spray ring and second water spray ring, the same and symmetrical setting of both structures to be linked together with shunting collection pipe respectively, be connected with control valve between water spray ring and the shunting collection pipe, realize water spray flow and hydraulic control, water spray ring surface sets up the water inlet, and water spray intra -annular surface sets up cooling jet, a plurality of and orderly distributed of cooling spray nozzle number, the cooling compensating jet is installed to the binding face side in the middle of half upper and lower water spray ring, the jet flow direction of cooling jet and steel pipe traffic direction have a contained angle, and jet flow direction is towards the forward of steel pipe traffic direction or reverse. The utility model discloses a carry out independent settlement to the upper and lower annular spraying discharge of partly spraying water, through to the water spray ring open quantity, the water pressure isoparametric is set for, can implement control cooling to the conventional hot -rolling seamless pipe of arbitrary pipe diameter, but the final cooling temperature accurate control has stronger suitability, is showing and is improving the cooling homogeneity.
Description
Technical field
This utility model belongs to hot rolled seamless steel tube production technical field, more particularly to a kind of hot rolled seamless steel tube control
Annular jet chiller is used in cooling.
Background technology
For a long time, hot rolled seamless steel tube is due to the particularity of its production technology and the complexity of ring section, with hot rolling
Sheet material, section bar, Bar Wire Product are compared, and during Rolling Production, lack Controlled Rolling And Controlled Cooling means, and then cannot be realized effectively
Structure property regulates and controls.In order to the microstructure for improving hot rolled seamless steel tube lifts its mechanical property, addition is relied only at present
Alloying element or follow-up heat-treated offline operation, cause production cost significantly improve and production efficiency reduction.If energy
Enough realize that the On-line Control after tubing hot rolling is cooled down, be then capable of achieving the structure property regulation and control of hot rolled seamless steel tube, and can substantially drop
The manufacturing cost of low hot rolled seamless steel tube, while also the tube product for higher quality provides production technology means.Therefore, it is right
In the attention degree more and more higher of the On-line Control cooling technology of hot rolled seamless steel tube, and it is suitable for hot rolling in the urgent need to developing
The cooling device of seamless steel pipe On-line Control cooling technique.
At present, the development rapid deployment of cooling device is controlled for hot rolled seamless steel tube, and has been occurred
It is various based on different principle and the related cooling device scheme of form, but, these existing technical schemes are more or less still
Come with some shortcomings part, specific as follows：
1. the Chinese patent application of Publication No. CN103264054A, it discloses a kind of steel pipe homogeneous cooling apparatus,
In the patent formula, the adjustable nozzle on cooling water tank has been arranged to a water spray sprayed water to outer wall of steel pipe by it
Ring, the centrage of water ring and the traffic direction of steel pipe by cooling water dash mechanism and are cooled down in 5 °～175 ° of angle
Water water spraying mechanism coordinates the cooling realized to steel pipe, and cooling water water spraying mechanism maintains a normally open state.
But, in above-mentioned patent formula, the scalable means of cooling water water spraying mechanism are not clearly referred to, and be directed to
When the steel pipe of different-thickness specification is cooled down, in order to meet the demand for control of different final cooling temperatures, water ring opens quantity is
Important regulating measure, but the cooling water water spraying mechanism in patent formula is normally open, has lacked regulating measure, be also result in
The waste of water resource.
2. the Chinese patent application of Publication No. CN101570813A, it discloses a kind of directly quenching seamless steel pipes dress
Put, in the patent formula, its outer surface chiller is made up of annular cooler, inner surface chiller is for shaft-like, and position
In the top of variable-angle roller-way, and insert in the middle of outer surface annular cooler.
But, although during by the outside of the inside of steel pipe market to annular cooler and inner surface cooler, it is possible to implement
Quenching technical, but the quenching unit cannot meet the demand of control cooling, also just cannot realize end according to structure property needs
The precise control of cold temperature.
3. the Chinese patent application of Publication No. CN201455003U, it discloses a kind of seamless pipe controlled rolling and controlled cooling of realizing
Device, in the patent formula, the shower for being provided with some nozzles is uniformly arranged and is constituted cage knot by it around water ring axis
Structure, and spray nozzle axis and the angle that vertical line is in 5 °～20 °, so as to implement to cool down to steel pipe circumferencial direction.
But, the physical dimension of the device needs to match with the seamless steel pipe of certain size, causes the device to fit
Steel pipe specification is restricted, due to arrangement of nozzles form it is more single, therefore, it is difficult to Effective Regulation steel pipe circumferencial direction
Cooling uniformity.
4. the Chinese patent application of Publication No. CN86202942U, it discloses a kind of steel pipe continuous controlled cooling equipment,
In the patent formula, it is cooled down using the cyclone water formed in cooler to steel pipe.
But, using the souring of rotary water current come cooling pipe, due to the poor controllability of cyclone water in cooling procedure,
It is difficult to accurately control final cooling temperature.
Utility model content
For the problem that prior art is present, this utility model provides a kind of hot rolled seamless steel tube control cooling and is penetrated with annular
Flow cooling device, effectively overcomes the weak point of existing chiller, and chiller of the present utility model has higher fitting
With property, the final cooling temperature of steel pipe can be accurately controlled, and chiller employs jet impulse refrigerating mode, with stronger
Cooling capacity, and it is remarkably improved cooling uniformity.
To achieve these goals, this utility model is adopted the following technical scheme that：A kind of hot rolled seamless steel tube control cooling
Annular jet chiller is used, it is arranged between the roller-way of cooling zone, some annular jet chillers are one group, can be according to need
To dispose multigroup to meet process requirements along roller-way conveying direction.
A kind of hot rolled seamless steel tube controls cooling annular jet chiller, including upper half water ring and lower half water spray
Ring, the upper half water ring and lower half water spray ring structure is identical and is symmetrical arranged, upper half water ring and lower half water ring respectively with
Segregated collection pipe is connected, and connects between upper half water ring and segregated collection pipe, between lower half water ring and segregated collection pipe
Regulation valve group is connected to, by segregated collection pipe and regulation valve group to upper half water ring and the spray flow and hydraulic pressure of lower half water ring
It is controlled.
The water pressure range of accommodation of the annular jet chiller is 0.2～0.8MPa.
Water inlet is set in the outer surface of the upper half water ring and lower half water ring, is sprayed water in upper half water ring and lower half
Ring inner surface arranges cooling nozzles, and cooling nozzles quantity is some and ordered distribution, circumferentially equally arranges, and
Width configuration along the annular jet chiller is multiple rows of.
Cooling compensation nozzle is installed in the middle binding face side of the upper half water ring and lower half water ring.
The jet direction of the cooling nozzles has angle with steel pipe traffic direction.
The jet direction of the cooling nozzles is towards the positive or reverse of steel pipe traffic direction.
The beneficial effects of the utility model：
Annular jet chiller of the present utility model possesses the independence of control, can be according to product of production line outline technique
Demand flexibly arranges some groups；By entering to upper half water ring in annular jet chiller and lower half water ring spray flow
Row independent setting, and set by parameters such as the unlatching quantity to water ring, opening ways, spray flow and hydraulic pressure, can
With to the normal of arbitrary specification (between 200mm～460mm, wall thickness range is between 10mm～60mm for outer diameter of steel pipes scope)
Rule hot rolled seamless steel tube implements control cooling, and final cooling temperature is accurately controlled in the range of 150 DEG C～750 DEG C, makes this reality
The higher suitability is provided with new；The nozzle configured on annular jet chiller of the present utility model goes out to flow direction and steel
Pipe is in specific angle, and is cooled down in the way of jet impulse cooling, and which can promote cooling water in steel pipe table
The instantaneous olderly flowage in face simultaneously breaks up moisture film, and then is obviously improved the uniformity of cooling capacity and cooling.
Description of the drawings
Fig. 1 controls cooling annular jet chiller structural representation for a kind of hot rolled seamless steel tube of the present utility model
Figure；
In figure, 1-upper half water ring, 2-lower half water ring, 3-water inlet, 4-cooling nozzles, 5-cooling compensation spray
Mouth.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail with specific embodiment.
As shown in figure 1, a kind of hot rolled seamless steel tube controls cooling annular jet chiller, including upper half water ring 1
And lower half water ring 2, the upper half water ring 1 is identical with the structure of lower half water ring 2 and is symmetrical arranged, upper half water ring 1 and under
Half water ring 2 is connected respectively with segregated collection pipe, between upper half water ring 1 and segregated collection pipe, lower half water ring 2 with point
Regulation valve group is respectively connected between adfluxion water pipe, upper half water ring 1 and lower half are sprayed water by segregated collection pipe and regulation valve group
The spray flow and hydraulic pressure of ring 2 is controlled, and water pressure range of accommodation is 0.2～0.8MPa.
Water inlet 3 is set in the outer surface of the upper half water ring 1 and lower half water ring 2, in upper half water ring 1 and lower half
The inner surface setting cooling nozzles 4 of water ring 2, cooling nozzles 4 are circumferentially equally arranged, and along annular jet
The width of chiller arranges 3～8 rows.
Cooling compensation nozzle 5 is installed in the middle binding face side of the upper half water ring 1 and lower half water ring 2.It is logical
Supercooling compensation nozzle 5 can solve the middle binding face of upper and lower half water ring and ask because inhomogeneous cooling is even caused by cooling blind spot
Topic.
The jet direction of the cooling nozzles 4 has angle with steel pipe traffic direction.
The jet direction of the cooling nozzles 4 is towards the positive or reverse of steel pipe traffic direction.
During actually used, according to steel pipe specification and process requirements, a number of annular jet cooling dress need to be configured
Group is put, chiller group is made up of a number of annular jet chiller, and the annular jet in each chiller group is cold
But device quantity can be set to 4～8.Chiller group is arranged between the roller-way of cooling zone, according to actual needs, along roller
Road conveying direction configures the actual quantity of chiller group.Meanwhile, chiller group needs equipped lifting height-regulating mechanism, it is ensured that cold
But the annular jet chiller in device group can adjust height, and no matter how the caliber of steel pipe changes, by height adjustment
Can all ensure that annular jet chiller coincides with the longitudinal center line of steel pipe.
According to the actual specification and process requirements of steel pipe, cooling parameter is set, specifically included in chiller group
Unlatching quantity, opening ways, spray flow, hydraulic pressure of annular jet chiller etc..Upper half spray in annular jet chiller
The spray flow of water ring 1 and lower half water ring 2 needs independent setting, and then ensures that steel pipe cooling in a circumferential direction is uniform
Property.When steel pipe is passed through by roller-way from annular jet chiller inside, you can realize the cooling of steel pipe.
Further, since the jet direction of cooling nozzles has angle, and cooling nozzles with jet with steel pipe traffic direction
The mode of impinging cooling is cooled down to steel pipe, can be promoted cooling water in the instantaneous olderly flowage of steel tube surface and be broken up water
Film, realizes the further lifting of cooling capacity, also preferably ensure that cooling uniformity.
Scheme in embodiment simultaneously is not used to limit scope of patent protection of the present utility model, all without departing from this utility model
Carried out by equivalence enforcement or change, in being both contained in the scope of the claims of this case.
Claims (6)
1. a kind of hot rolled seamless steel tube controls cooling annular jet chiller, it is characterised in that：Including upper half water ring and
Lower half water ring, the upper half water ring is identical with lower half water spray ring structure and is symmetrical arranged, and upper half water ring and lower half are sprayed water
Ring is connected respectively with segregated collection pipe, between upper half water ring and segregated collection pipe, lower half water ring and segregated collection pipe
Between be respectively connected with regulation valve group, by segregated collection pipe and adjust valve group to upper half water ring and the water jet of lower half water ring
Amount and hydraulic pressure are controlled.
2. a kind of hot rolled seamless steel tube according to claim 1 controls cooling annular jet chiller, and its feature exists
In：The water pressure range of accommodation of the annular jet chiller is 0.2～0.8MPa.
3. a kind of hot rolled seamless steel tube according to claim 1 controls cooling annular jet chiller, and its feature exists
In：Water inlet is set in the outer surface of the upper half water ring and lower half water ring, in upper half water ring and lower half water ring
Surface arranges cooling nozzles, and cooling nozzles quantity is some and ordered distribution, circumferentially equally arranges, and along
The width configuration of the annular jet chiller is multiple rows of.
4. a kind of hot rolled seamless steel tube according to claim 1 controls cooling annular jet chiller, and its feature exists
In：Cooling compensation nozzle is installed in the middle binding face side of the upper half water ring and lower half water ring.
5. a kind of hot rolled seamless steel tube according to claim 3 controls cooling annular jet chiller, and its feature exists
In：The jet direction of the cooling nozzles has angle with steel pipe traffic direction.
6. a kind of hot rolled seamless steel tube according to claim 5 controls cooling annular jet chiller, and its feature exists
In：The jet direction of the cooling nozzles is towards the positive or reverse of steel pipe traffic direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164649.8U CN206153295U (en) | 2016-10-25 | 2016-10-25 | Hot -rolling seamless pipe control cooling is with annular impingement air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164649.8U CN206153295U (en) | 2016-10-25 | 2016-10-25 | Hot -rolling seamless pipe control cooling is with annular impingement air cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN206153295U true CN206153295U (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621164649.8U Active CN206153295U (en) | 2016-10-25 | 2016-10-25 | Hot -rolling seamless pipe control cooling is with annular impingement air cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311763A (en) * | 2016-10-25 | 2017-01-11 | 东北大学 | Annular jet cooling device for controlled cooling of hot-rolled seamless steel tubes |
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2016
- 2016-10-25 CN CN201621164649.8U patent/CN206153295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311763A (en) * | 2016-10-25 | 2017-01-11 | 东北大学 | Annular jet cooling device for controlled cooling of hot-rolled seamless steel tubes |
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