CN205020515U - Roll aqueous vapor cooling nozzle assembly - Google Patents
Roll aqueous vapor cooling nozzle assembly Download PDFInfo
- Publication number
- CN205020515U CN205020515U CN201520642703.4U CN201520642703U CN205020515U CN 205020515 U CN205020515 U CN 205020515U CN 201520642703 U CN201520642703 U CN 201520642703U CN 205020515 U CN205020515 U CN 205020515U
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- inlet
- air inlet
- aqueous vapor
- regulating valve
- roll
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- Expired - Fee Related
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Abstract
The utility model discloses a roll aqueous vapor cooling nozzle assembly, including the valve body, be equipped with air inlet and water inlet on the valve body, install the intake pipe in the air inlet, install the inlet tube in the water inlet, the intake pipe aqueous vapor export in is equipped with aqueous vapor nozzle through inhalant canal and direction passageway and the aqueous vapor hybrid channel intercommunication of intaking, the end of aqueous vapor hybrid channel for the aqueous vapor export through inlet channel and shrink passageway and the aqueous vapor hybrid channel intercommunication of admitting air, inlet tube. The utility model discloses a roll aqueous vapor cooling nozzle assembly has used compressed air can blow off roll groove surface vapor, increases the circulation of roll groove surface water gentleness, improves the cooling efficiency of roll, extension roll life, nozzle assembly requires not highly to cooling water pressure, because of the compressed air pressure that uses is greater than cooling water pressure, compressed air pressure is adjusted to the accessible, increases local cooling water water pressure in the aqueous vapor hybrid channel, improves the cooling effect.
Description
Technical field
The utility model relates to roll aqueous vapor cooling jet assembly, belongs to steel rolling process technical field.
Background technology
In hot rolling rolling process, groove and rolled piece contact friction and produce very large heat, groove surface temperature will sharply raise, and the temperature difference causes roll to produce very large thermal stress, reduce the groove life-span, time serious, roll breakage accident occur.Groove regional temperature is high, easily steel bonding occurs, and finished product rolled piece takes off groove difficulty, causes lumber recovery to decline.
In tradition cooling means, water under high pressure is adopted to carry out cooling or Areoponics culture.The water-cooled method of single employing high pressure, the little cooling effect of hydraulic pressure is not good, and hydraulic pressure height then needs plant capacity large; The method of conventional aerosol cooling at present, the water yield that its water yield of spraying out is jetted relative to aqueous vapor mode is few, and cooling capacity is lower.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of roll aqueous vapor cooling jet assembly, and adopt the cooling of aqueous vapor cooling breaker roll, easy processing and manufacturing, easy to maintenance, cooling effectiveness is high.
Technical scheme: for solving the problems of the technologies described above, a kind of roll aqueous vapor cooling jet assembly of the present utility model, comprise valve body, valve body is provided with air inlet and water inlet, in air inlet, air inlet pipe is installed, in water inlet, water inlet pipe is installed, air inlet pipe is by inlet channel and air inlet constricted channel and gas-vapor mix channel connection, water inlet pipe is by intake tunnel and intake guide channel and gas-vapor mix channel connection, the end of gas-vapor mix passage is moisture outlet, and moisture outlet is provided with aqueous vapor nozzle.
As preferably, described inlet channel is provided with air inlet adjustment spool, air inlet adjustment spool is arranged on air inlet adjustment valve seat, and air inlet adjustment valve seat is arranged on valve body by screw thread, and air inlet adjustment spool is locked on air inlet adjustment valve seat by air inlet adjustment block of valve jack panel.
As preferably, described intake tunnel is provided with inlet regulating valve core, inlet regulating valve core is arranged on inlet regulating valve seat, and inlet regulating valve core can moving axially, to regulate the cooling water flow by intake tunnel along water inlet guide channel in air inlet adjustment valve seat.Inlet regulating valve seat is arranged on valve body, inlet regulating valve seat and inlet regulating valve core are sealed by inlet regulating valve core sealing ring, inlet regulating valve seat and valve body are sealed by inlet regulating valve seat sealing gasket, and inlet regulating valve core is provided with inlet regulating valve locking nut.
As preferably, the longitudinal section of described air inlet constricted channel is frustum, and the cone angle of the air inlet constricted channel of frustum is 13-14 °.
As preferably, described water inlet guide channel center line and gas-vapor mix channel centerline angle [alpha] are 15-30 °.
Beneficial effect: roll aqueous vapor cooling jet assembly of the present utility model, has the following advantages:
1. nozzle assembly employs compressed air and can dispel roll groove surface water steam, increases the circulation that roll groove surface water is gentle, improves the cooling effectiveness of roll, extends roll working life.
2. nozzle assembly is less demanding to cooling water pressure, because the compressed air pressure used is greater than cooling water pressure, by regulating compressed air pressure, increasing the water pressure of cooling water of local in gas-vapor mix passage, improving cooling effect.
3. nozzle assembly is provided with inlet regulating valve core and air inlet adjustment spool, can easily regulate cooling water flow and the compressed air require of jet expansion, the jeting effect at each nozzle place fine-tuning.
4. nozzle assembly adopts plug-in valve design, compact conformation, and processing is simple, is easy to manufacture.
Accompanying drawing explanation
Fig. 1 is roll aqueous vapor cooling jet assembly installation shaft mapping;
Fig. 2 is that front view installed by roll aqueous vapor cooling jet assembly;
Fig. 3 is A-A sectional view in Fig. 2;
Fig. 4 is aqueous vapor cooling jet component internal structure sectional view.
In figure: 1, roll, 2, support base plate, 3, compressed air line, 4, roll aqueous vapor cooling jet assembly, 5, cooling water pipeline, 6, connector, 7, valve body, 8, air inlet, 9, air inlet pipe, 10, inlet regulating valve seat sealing gasket, 11, inlet regulating valve core, 12, inlet regulating valve locking nut, 13, inlet regulating valve core sealing ring, 14, inlet regulating valve seat, 15, water inlet pipe, 16, water inlet, 17, intake tunnel, 18, water inlet guide channel, 19, moisture outlet, 20, aqueous vapor nozzle, 21, gas-vapor mix passage, 22, air inlet constricted channel, 23, inlet channel, 24, air inlet adjustment spool, 25, air inlet adjustment valve core seal ring, 26, air inlet adjustment block of valve jack panel, 27, air inlet adjustment valve seat, 28, air inlet adjustment valve base sealing pad.
Detailed description of the invention
In Fig. 1, Fig. 2 and Fig. 3, illustrate roll aqueous vapor cooling jet assembly 4 mounting arrangements at the scene.Roll aqueous vapor cooling jet assembly 4 is fixed on support base plate 2 by connector 6.When in-site installation is arranged, aqueous vapor nozzle 20 Way out on roll aqueous vapor cooling jet assembly 4 is towards roll 1 High-temperature cooling region.According to the actual size in on-the-spot roll 1 High-temperature cooling region, the roll aqueous vapor cooling jet assembly 4 of configurable varying number.
As can be seen from Figure 4, roll aqueous vapor cooling jet assembly 4 comprises valve body 7, air inlet pipe 9, water inlet pipe 15, aqueous vapor nozzle 20.Compressed air line 3 is connected with air inlet pipe 9, and to valve body 7 input compressed-air, compressed air successively by air inlet 8, inlet channel 23, air inlet adjustment spool 24, air inlet constricted channel 22, then enters gas-vapor mix passage 21.Cooling water pipeline 5 is connected with water inlet pipe 15, inputs cooling water to valve body 7, and cooling water by water inlet 16, intake tunnel 17, air inlet adjustment spool 11, water inlet guide channel 18, enters in gas-vapor mix passage 22 successively.After in gas-vapor mix passage 21, cooling water and compressed air mix, after moisture outlet 19, be injected on roll 1 by aqueous vapor nozzle 20, aqueous vapor nozzle 20 spray angle can design as required.Because the compressed air pressure used is greater than cooling water pressure, by regulating compressed air pressure, increasing the water pressure of cooling water of local in gas-vapor mix passage, improving cooling effect.
Air inlet adjustment spool 24 is arranged on air inlet adjustment valve seat 27, and air inlet adjustment spool 24 can moving radially along inlet channel 23 in air inlet adjustment valve seat 27, to regulate the compressed air require by inlet channel 23.Air inlet adjustment valve seat 27 is arranged on valve body 7, air inlet adjustment valve seat 27 and air inlet adjustment spool 24 are sealed by air inlet adjustment valve core seal ring 25, air inlet adjustment valve seat 27 and valve body 7 are sealed by air inlet adjustment valve base sealing pad 28, air inlet adjustment spool 24 devise air inlet adjustment block of valve jack panel 26.
Inlet regulating valve core 11 is arranged on inlet regulating valve seat 14, and inlet regulating valve core 11 can moving axially, to regulate the cooling water flow by intake tunnel 17 along water inlet guide channel 18 in air inlet adjustment valve seat 14.Inlet regulating valve seat 14 is arranged on valve body 7, inlet regulating valve seat 14 and inlet regulating valve core 11 are sealed by inlet regulating valve core sealing ring 13, inlet regulating valve seat 14 and valve body 7 are sealed by inlet regulating valve seat sealing gasket 10, inlet regulating valve core 11 devise inlet regulating valve locking nut 12.
The angle of throat θ of air inlet constricted channel 22 is about 13-14 °, and compressed air is by having larger kinetic energy after described air inlet constricted channel.Water inlet guide channel center line and gas-vapor mix channel centerline angle [alpha] are 15-30 °, can reduce the pressure loss of cooling water.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a roll aqueous vapor cooling jet assembly, it is characterized in that: comprise valve body, valve body is provided with air inlet and water inlet, in air inlet, air inlet pipe is installed, in water inlet, be provided with water inlet pipe, air inlet pipe is by inlet channel and air inlet constricted channel and gas-vapor mix channel connection, and water inlet pipe is by intake tunnel and water inlet guide channel and gas-vapor mix channel connection, the end of gas-vapor mix passage is moisture outlet, and moisture outlet is provided with aqueous vapor nozzle.
2. a kind of roll aqueous vapor cooling jet assembly according to claim 1, it is characterized in that: described inlet channel is provided with air inlet adjustment spool, air inlet adjustment spool is arranged on air inlet adjustment valve seat, air inlet adjustment valve seat is arranged on valve body by screw thread, and air inlet adjustment spool is locked on air inlet adjustment valve seat by air inlet adjustment block of valve jack panel.
3. a kind of roll aqueous vapor cooling jet assembly according to claim 2, it is characterized in that: described intake tunnel is provided with inlet regulating valve core, inlet regulating valve core is arranged on inlet regulating valve seat, inlet regulating valve core can along water inlet the moving axially of guide channel in air inlet adjustment valve seat, inlet regulating valve seat is arranged on valve body, inlet regulating valve seat and inlet regulating valve core are sealed by inlet regulating valve core sealing ring, inlet regulating valve seat and valve body are sealed by inlet regulating valve seat sealing gasket, and inlet regulating valve core is provided with inlet regulating valve locking nut.
4. a kind of roll aqueous vapor cooling jet assembly according to claim 3, it is characterized in that: the longitudinal section of described air inlet constricted channel is frustum, the cone angle of the air inlet constricted channel of frustum is 13-14 °.
5. a kind of roll aqueous vapor cooling jet assembly according to claim 3, is characterized in that: described water inlet guide channel center line and gas-vapor mix channel centerline angle [alpha] are 15-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642703.4U CN205020515U (en) | 2015-08-24 | 2015-08-24 | Roll aqueous vapor cooling nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642703.4U CN205020515U (en) | 2015-08-24 | 2015-08-24 | Roll aqueous vapor cooling nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205020515U true CN205020515U (en) | 2016-02-10 |
Family
ID=55253082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520642703.4U Expired - Fee Related CN205020515U (en) | 2015-08-24 | 2015-08-24 | Roll aqueous vapor cooling nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205020515U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080974A (en) * | 2015-08-24 | 2015-11-25 | 江苏省冶金设计院有限公司 | Water-gas cooling spraying nozzle assembly for roller |
| CN108687134A (en) * | 2018-06-21 | 2018-10-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Reduce the method that roll oxidation film thermal stress is peeled off |
-
2015
- 2015-08-24 CN CN201520642703.4U patent/CN205020515U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080974A (en) * | 2015-08-24 | 2015-11-25 | 江苏省冶金设计院有限公司 | Water-gas cooling spraying nozzle assembly for roller |
| CN108687134A (en) * | 2018-06-21 | 2018-10-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Reduce the method that roll oxidation film thermal stress is peeled off |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190102 Granted publication date: 20160210 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220102 Granted publication date: 20160210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180824 |