CN103921429A - Thermal rubber sheet quick cooling device and method - Google Patents
Thermal rubber sheet quick cooling device and method Download PDFInfo
- Publication number
- CN103921429A CN103921429A CN201410154422.4A CN201410154422A CN103921429A CN 103921429 A CN103921429 A CN 103921429A CN 201410154422 A CN201410154422 A CN 201410154422A CN 103921429 A CN103921429 A CN 103921429A
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- Prior art keywords
- spraying
- cooling device
- fast cooling
- control valve
- cooling
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention provides a thermal rubber sheet quick cooling device. The device is provided with a spray system used for spraying a thermal rubber sheet, wherein the spray system comprises a liquid control valve, a liquid delivery pipe, a gas control valve, a compressed air delivery pipe, two-fluid nozzles and a control operation system. A thermal rubber sheet quick cooling method is used for spraying the thermal rubber sheet by utilizing the spray system of the quick cooling device. The cooling device and the cooling method have the beneficial effects that the big chain hanging length is shortened, thus greatly reducing the investment in equipment on a rubber sheet cooling line and reducing the occupied area of a production site; the electric energy and water consumption and waste gas and wastewater can be greatly reduced, thus improving the environmental protection function of a work site; the device and the method can be used for quickly cooling various thermal materials, such as products needing cooling on the manufacturing and treatment production lines of rubber, plastics, metals, glass or other materials.
Description
Technical field
The present invention relates to the processing of rubber for tire, specifically the quick cooling device of hot sheet rubber and fast cooling method in process.
Background technology
In the process of rubber for tire, have many operations all need by elastomeric compound be heated to 100 DEG C above, be up to 170 DEG C, then require to be down to below 45 DEG C in 30-60 minute.And all work continuously, be that per tour suspends about 30 minutes substantially.Current cooling method mainly contains: natural air cooled, water spray+immersion+blowing, the cooling etc. indirectly of air-cooled, the circulating water metal roller of air-conditioning.
These above-mentioned cooling methods are all to change (temperature rising) by the sensible heat of medium (water or air) to be with the heat becoming popular on sheet rubber, the efficiency of lowering the temperature is comparatively speaking very low, (when environment temperature reaches more than 35 DEG C) particularly during the broiling summer, force cooling medium (wind, water etc.) flow greatly to increase, required cooling place also must increase.And along with the increase of production efficiency, the required rate-of flow of the lowering the temperature place that must increase, lower the temperature also must increase, the cost of cooling and energy consumption are also increasing.Its major defect is exactly: the main variations in temperature by medium wind of cooling is taken away heat, it is the sensible heat cooling that utilizes medium, the specific heat capacity of air only has 1.005kJ/kg. DEG C, so cooling rate is slow, air quantity demand is large, causes that the air quantity of large, the outer row of power consumption with peculiar smell is large, factory building takes up an area large etc. shortcoming.
In the occasion that adopts shower water+immersion tank+blowing associating falling temperature technique, 2500 of output every days of tyre surface pressed production line, per hourly extrude hot sheet rubber 2500kg.For continuous production, 120 meters of long tanks (can point multilayer multistage in order to reduce place tank), the water of the immersion tyre surface of about 150 tons needs 25.3 m
3/ h(25 DEG C of water at low temperature) carry out heat exchange, to take away the heat in tread-rubber sheet.Along with the sweltering heat of weather, the raising of production efficiency, the internal circulating load that must must extend tank, increasing water at low temperature meets technological requirement.Simultaneously the water in tank just needs to change after using approximately continuously January, and due to the rubber of this water long period of soaking high temperature, some organic compounds in rubber are useful goes out to have polluted water, and this water can not continue to use, regularly emission treatment.
Tank soaks cooling and has a following shortcoming: the main variations in temperature by WATER AS FLOW MEDIUM of cooling is taken away heat, and cooling rate is slow, and water demand is large, cause power consumption large, need regular sewage effluent, factory building to take up an area large etc. shortcoming.
In order to adapt to the development of rubber for tire processing industry, the cool-down method of energy-conserving and environment-protective and technology are the directions of development.So the research of this respect, test, innovation must go out new results.
Summary of the invention
The object of this invention is to provide the cooling device of hot sheet rubber in a kind of rubber for tire process.This device must adapt to multiple hot sheet rubber specification, and energy fast cooling, guarantees to produce and do not stop continuously.
To achieve these goals, hot sheet rubber heat sink of the present invention, is provided with the spraying system for the spraying of thermotropism sheet rubber.
Spraying system of the present invention comprises liquid control valve, liquid delivery tube, gas control valve, blowpipe, nozzle; Described liquid delivery tube and blowpipe all have nozzle, and described nozzle is arranged on top, below or the above and below of hot sheet rubber.
Described spraying system also comprises control operation system, and control operation system and control valve is connected; Control operation system at least comprises combined operation controller, emergency governor and mist flow controller.
Spraying system also can arrange liquid filter, and liquid filter is arranged on the liquid delivery tube between water source entrance and liquid control valve.Can ensure water source quality, prevention spray nozzle clogging.
Spraying system also can arrange air cleaner, and air cleaner is arranged on the blowpipe between compressed air line entrance and gas control valve.Can ensure compressed air quality, prevention spray nozzle clogging.
Comprise >=1 independent atomizer passgae of spraying system.Generally routinely, consider heat exchange amount and place size, and the situation of control operation system, spraying system comprises 2～8 independent atomizer passgaes.
In the present invention, in order to obtain better cooling-down effect, in spraying system, each independent atomizer passgae arranges 1～10 row's nozzle, be preferably 2～6 row's nozzles, every row is provided with >=nozzle of 2, each nozzle is connected with liquid delivery tube blowpipe, is arranged on top, above and below or the below of hot sheet rubber; Row's spacing is 100～600mm, and row's inner nozzle spacing is 80～300mm, is preferably 80～120mm; .Nozzle is 80～400mm from the distance of the hot rubber of need cooling, is preferably 90～150mm, more preferably 100mm.
Each independently atomizer passgae respectively has >=1 air pipe line control valve and >=1 liquid line control valve.
Control valve can be selected pressure-regulating valve, magnetic valve or hand-operated valve.
In order to realize two-sided spraying, obtain better cooling-down effect, the independent atomizer passgae of spraying in opposite directions can be set in spraying system of the present invention.
Because hot sheet rubber is non-conductor, implement two-sided spraying by more effective cooling.The effect of two-sided mist cooling is better than the effect of one-sided spraying cooling.At this moment need to adopt metal roller, sheet type roller or the hot sheet rubber of the tape transport with grid, just can make spraying from lower to upper reach the side down of hot sheet rubber, then, with being provided with the sprayer unit of the independent atomizer passgae of spraying in opposite directions, the two-sided spraying of thermotropism sheet rubber.
Why multiple independently atomizer passgaes are set, and are the size and shapes of considering according to hot sheet rubber product, and thickness, sometimes do not need atomizer passgaes all in a sprayer unit all to open spraying.Independent atomizer passgae, under the control of control operation system, can carry out respectively work independently.The sprayer unit of the independent atomizer passgae of spraying in opposite directions is for example set, in the time not needing two-sided spraying, independent atomizer passgae work above only need to allowing or below.
When hot sheet rubber is sprayed, carry hot glue sheet can select the conveyer belt of conventional dynamic driving, preferably adopt the metal conveyor belt with grid or the plastic conveyor belt with grid or metal power-driven roller or sheet type roller etc. to carry continuously hot rubber.
Another object of the present invention is to provide the method that cools fast of hot sheet rubber in a kind of rubber for tire process.
The method is utilized hot rubber heat sink described above, by described spraying system thermotropism sheet rubber spraying.
Be selected from for the liquid of spraying: the mixture of water, water and interleaving agent.Preferably water.
The liquid supply mode of second fluid nozzle can adopt the liquid pressing formula of liquid pressing being supplied with to second fluid nozzle, or utilizes compressed air strength the liquid in water tank to be sucted to the hydrocone type of spraying.The air pressure of blowpipe is 0.2～0.7MPa, is preferably 0.3～0.5MPa, more preferably 0.3～0.4MPa.The fluid pressure of liquid delivery tube is 0～0.7MPa, is preferably 0.2～0.5MPa, more preferably 0.3～0.4MPa.
Method of the present invention, evaporates rapidly when forming the little water droplet of water atomization and hot material surface collision, thereby effectively removes heat energy from hot material.The water smoke particle diameter that spraying is formed is 1～100 micron.Under preferred situation, water smoke average grain diameter is less than or equal to 30 microns, is preferably less than or equal to 10 microns, more preferably, is less than or equal to 5 microns.If water droplet is too large, for example 100 microns or larger, when the surface collision of water droplet and hot material, can not evaporate fast enough, on the surface of hot material, form liquid film, or keep floating on the surface of hot material, and the overlong time that liquid film leaves from hot material surface boiling, cooling effect has slowed down.Good cooling in order to realize, water droplet needs sufficiently little, and to have enough little quality for rapid evaporation, and water droplet is guided to enough speed on the surface of hot material, to realize effective collision.Water smoke particle diameter is determined by factors such as nozzle bore, nozzle form and hydraulic pressure.Force (forcing) pump in apparatus of the present invention can increase hydraulic pressure, makes water smoke particle diameter reach requirement.
Mist cooling, utilizes water smoke rapid evaporation to take away heat exactly.Water smoke evaporation is exactly the vaporization of water, and due to the geometry of water smoke ball, the specific area of 10 microns of water droplets is 10 times of 100 microns of water droplets.Be accompanied by atomization, the surface area of hundreds of millions water droplets is very large, thereby can rapid evaporation vaporization absorption amount of heat.General, make water evaporate needed heat at its boiling point and be five times in the water gagings such as handle and be heated to 100 degrees Celsius of needed heats from one degree Celsius.
In rubber tyre process, adaptation efficiently, the operation of mist cooling has much fast: the cooling production line of film in banburying workshop, type glue extruding production line, inner liner pressed production line etc. such as the compound pressed production line of tyre surface, sidewall of semi-finished product beamhouse.
Cooling device of the present invention can be applied to the fast cooling of various hot materials and cooling, as the refrigerated product that needs on the manufacture of rubber, plastics, metal, glass or other materials, process for producing line.Can reduce within a short period of time and need refrigerated product temperature, reduce water consumption and electric quantity consumption, substantially realize non-wastewater discharge.
Brief description of the drawings
Fig. 1 is sprayer unit operation principle schematic diagram.
Fig. 2 is the one of the sprayer unit schematic diagram of arranging;
Fig. 3 is the another kind of the sprayer unit schematic diagram of arranging.
Detailed description of the invention
Embodiment 1
Referring to Fig. 1, Fig. 2, Fig. 3.
Hot sheet rubber heat sink of the present invention, is provided with the spraying system for the spraying of thermotropism sheet rubber.This spraying system comprises blowpipe 1, gas control valve 3, second fluid nozzle 4, liquid delivery tube 5, liquid control valve 7 and control operation system (not drawing in the drawings).
Spraying system is provided with air cleaner 2, and air cleaner 2 is arranged between compressed air hose 1 entrance and gas control valve 3 by blowpipe 1; Can ensure compressed air quality, prevention spray nozzle clogging.
Spraying system is provided with liquid filter 6, and liquid filter 6 is arranged between liquid delivery tube 5 entrances and liquid control valve 7, can ensure water source quality, prevention spray nozzle clogging.
Control operation system comprises combined operation controller, emergency governor.Control operation system and control valve is connected.
Be selected from for the liquid of spraying: the public running water in city, pressure is 0.2～0.5MPa, temperature is no more than 35 DEG C, and processes after filtration.
Spraying system comprises 4 independent atomizer passgaes.Be positioned at need directly over cooling sheet rubber and under respectively have 2 independent atomizer passgaes, belong to the independent atomizer passgae of spraying in opposite directions.Can be used for hot sheet rubber to implement two-sided mist cooling.
From top to bottom spraying: by 2 independently atomizer passgae form, each independently atomizer passgae is provided with 2 row's nozzles 4, each nozzle is connected with blowpipe 1, liquid delivery tube 5, each independently atomizer passgae has an air pipe line control valve 3 and a liquid line control valve 7, the air pressure of blowpipe 1 is 0.3～0.5MPa, and the fluid pressure of liquid delivery tube 5 is 0.3～0.4MPa; Adjacent nozzle 4 spacing 120mm, every row's injector spacing 150mm, nozzle 4 is 110mm from the distance of the hot sheet rubber of need cooling.
From the bottom up spraying: by 2 independently atomizer passgae form, each independently atomizer passgae is provided with 2 row's nozzles 4, each nozzle is connected with blowpipe 1, liquid delivery tube 5, each independently atomizer passgae has an air pipe line control valve 3 and a liquid line control valve 7, the air pressure of blowpipe 1 is 0.3～0.5MPa, and the fluid pressure of liquid delivery tube 5 is 0.3～0.4MPa; Adjacent nozzle 4 spacing 120mm, every row's injector spacing 150mm, nozzle 4 is 110mm from the distance of the hot sheet rubber of need cooling.
By selecting distance, control air pressure and the hydraulic pressure mist flow of suitable nozzle model specification, adjustment nozzle and hot glue sheet, the water smoke particle diameter that spraying is formed is less than or equal to 30 microns.
Consider according to the size and shape of hot sheet rubber product, and thickness, sometimes do not need atomizer passgaes all in the spraying system of a heat sink all to open spraying.Independent atomizer passgae, under the control of control operation system, can carry out respectively work independently.
To the film upper and lower surface mist cooling of continuous conveying.Carry hot thin film to select the metal conveyor belt with grid, grid diameter is 20～50mm.
Embodiment 2
Referring to Fig. 1, Fig. 2, Fig. 3.
The present embodiment is similar to embodiment 1, and independent atomizer passgae quantity and the setting height(from bottom) of nozzle etc. that just spraying system comprises are different from embodiment 1.
Spraying system comprises 5 independent atomizer passgaes.Be positioned at and need there are 3 independent atomizer passgaes directly over cooling sheet rubber, be positioned at and need there are 2 independent atomizer passgaes under cooling sheet rubber, belong to the independent atomizer passgae of spraying in opposite directions.Can be used for hot sheet rubber to implement two-sided mist cooling.
From top to bottom spraying: by 3 independently atomizer passgae form, each independently atomizer passgae is provided with 1 row's nozzle 4, each nozzle is connected with blowpipe 1, liquid delivery tube 5, each independently atomizer passgae has an air pipe line control valve 3 and a liquid line control valve 7, the air pressure of blowpipe 1 is 0.7MPa, and the fluid pressure of liquid delivery tube 5 is 0.6MPa; Adjacent nozzle 4 spacing 200mm, every row's injector spacing 320mm, nozzle 4 is 350mm from the distance of the hot sheet rubber of need cooling.
From the bottom up spraying: by 2 independently atomizer passgae form, each independently atomizer passgae is provided with 2 row's nozzles 4, each nozzle is connected with blowpipe 1, liquid delivery tube 5, each independently atomizer passgae has an air pipe line control valve 3 and a liquid line control valve 7, the air pressure of blowpipe 1 is 0.7MPa, and the fluid pressure of liquid delivery tube 5 is 0.6MPa; Adjacent nozzle 4 spacing 200mm, every row's injector spacing 320mm, nozzle 4 is 350mm from the distance of the hot sheet rubber of need cooling.
By selecting distance, control air pressure and the hydraulic pressure mist flow of suitable nozzle model specification, adjustment nozzle and hot glue sheet, the water smoke particle diameter that spraying is formed is less than or equal to 50 microns.
Carry hot thin film to select with sheet type roller, hot rubber is carried continuously.
Embodiment 3
The present embodiment is except spraying system only arranges atomizer passgae and nozzle above material to be cooled, carry out one-sided spraying cooling outside, all the other are identical with embodiment 1 or 2.
Above-described embodiment, is only the specific case that object of the present invention, technical scheme and beneficial effect are further described, and the present invention is not defined in this.All any amendments of making, be equal to replacement, improvement etc., within being all included in protection scope of the present invention within scope of disclosure of the present invention.
Claims (14)
1. a hot sheet rubber fast cooling device, is characterized in that: be provided for the spraying system of thermotropism sheet rubber spraying, spraying system comprises liquid control valve, liquid delivery tube, gas control valve, blowpipe, nozzle; Described liquid delivery tube and blowpipe all have nozzle, and described nozzle is arranged on top, below or the above and below of hot sheet rubber.
2. fast cooling device according to claim 1, is characterized in that: described spraying system also comprises control operation system, and control operation system and control valve is connected; Control operation system at least comprises combined operation controller, emergency governor and mist flow controller.
3. fast cooling device according to claim 1, is characterized in that: described spraying system also comprises liquid filter, and liquid filter is arranged on the liquid delivery tube between water source entrance and liquid control valve.
4. fast cooling device according to claim 1, is characterized in that: described spraying system also comprises air cleaner, and air cleaner is arranged on the blowpipe between compressed air line entrance and gas control valve.
5. fast cooling device according to claim 1, is characterized in that: comprise >=1 independent atomizer passgae of described spraying system, each independently atomizer passgae respectively has >=1 air pipe line control valve and >=1 liquid line control valve.
6. according to the fast cooling device of claim 1 or 5, it is characterized in that: described spraying system comprises 2～8 independent atomizer passgaes.
7. fast cooling device according to claim 1, is characterized in that: the independent atomizer passgae of spraying is in opposite directions set in described spraying system.
8. fast cooling device according to claim 1, is characterized in that: in described spraying system, each independent atomizer passgae arranges 1～10 row's nozzle, and row's spacing is 100～600mm, and row's inner nozzle spacing is 80～300mm.
9. fast cooling device according to claim 1, is characterized in that: described nozzle is 80～400mm from the distance of the hot sheet rubber of need cooling.
10. fast cooling device according to claim 1, is characterized in that: also comprise the device of carrying hot sheet rubber: metal roller, sheet type roller or the conveyer belt with grid.
The fast cooling method of 11. 1 kinds of hot sheet rubbers, is characterized in that: utilize the hot rubber heat sink described in claim 1, by described spraying system thermotropism sheet rubber spraying.
12. fast cooling methods according to claim 11, is characterized in that: the water smoke particle diameter that spraying forms is 1～100 micron.
13. according to the fast cooling method described in claim 11 or 12, it is characterized in that: the water smoke particle diameter that spraying forms is less than or equal to 30 microns.
14. fast cooling methods according to claim 11, is characterized in that: be selected from for the liquid of spraying: the mixture of water, water and interleaving agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154422.4A CN103921429B (en) | 2014-04-17 | 2014-04-17 | A kind of hot sheet rubber fast cooling device and fast cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154422.4A CN103921429B (en) | 2014-04-17 | 2014-04-17 | A kind of hot sheet rubber fast cooling device and fast cooling method |
Publications (2)
| Publication Number | Publication Date |
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| CN103921429A true CN103921429A (en) | 2014-07-16 |
| CN103921429B CN103921429B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410154422.4A Active CN103921429B (en) | 2014-04-17 | 2014-04-17 | A kind of hot sheet rubber fast cooling device and fast cooling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965851A (en) * | 2016-06-30 | 2016-09-28 | 六安中财管道科技有限公司 | Extruder atomizing and cooling trough |
| CN109398331A (en) * | 2018-12-14 | 2019-03-01 | 芜湖盛力科技股份有限公司 | A kind of attached cooling system of gas braking |
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| SU1431941A1 (en) * | 1987-01-26 | 1988-10-23 | Воронежский шинный завод | Method of cooling polymeric materials |
| JPH01165412A (en) * | 1987-12-22 | 1989-06-29 | Meiki Co Ltd | Apparatus for cooling hot plate in hot press apparatus |
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| CN102227593A (en) * | 2009-01-19 | 2011-10-26 | 报知机股份有限公司 | Spray cooling facility and spray method |
| CN203110195U (en) * | 2013-01-24 | 2013-08-07 | 太仓振辉化纤有限公司 | Master batch dehydrating device |
| CN203805295U (en) * | 2014-04-17 | 2014-09-03 | 中国化学工业桂林工程有限公司 | Hot rubber sheet rapid-cooling device |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530650A (en) * | 1983-07-26 | 1985-07-23 | Milani Resine S.P.A. | Apparatus for sizing extruded plastics sections |
| SU1431941A1 (en) * | 1987-01-26 | 1988-10-23 | Воронежский шинный завод | Method of cooling polymeric materials |
| JPH01165412A (en) * | 1987-12-22 | 1989-06-29 | Meiki Co Ltd | Apparatus for cooling hot plate in hot press apparatus |
| CN102227593A (en) * | 2009-01-19 | 2011-10-26 | 报知机股份有限公司 | Spray cooling facility and spray method |
| CN201400822Y (en) * | 2009-03-12 | 2010-02-10 | 重庆万桥交通科技发展有限公司 | Automatic sprayer device for quickly cooling processed stay cable for bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965851A (en) * | 2016-06-30 | 2016-09-28 | 六安中财管道科技有限公司 | Extruder atomizing and cooling trough |
| CN109398331A (en) * | 2018-12-14 | 2019-03-01 | 芜湖盛力科技股份有限公司 | A kind of attached cooling system of gas braking |
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| Publication number | Publication date |
|---|---|
| CN103921429B (en) | 2016-03-09 |
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