CN203768612U - Hot roll heat compensation device for non-woven fabric - Google Patents
Hot roll heat compensation device for non-woven fabric Download PDFInfo
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- CN203768612U CN203768612U CN201420069118.5U CN201420069118U CN203768612U CN 203768612 U CN203768612 U CN 203768612U CN 201420069118 U CN201420069118 U CN 201420069118U CN 203768612 U CN203768612 U CN 203768612U
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- thermal compensation
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- warm case
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Abstract
The utility model discloses a hot roll heat compensation device for a non-woven fabric. The hot roll heat compensation device comprises a roller base, a lower heat compensation cover, a reflection cover, adjusting knobs, temperature sensors, a slide rail, a heating pipe, an upper heat compensation cover, an upper heat preservation cover and a lower heat preservation cover, wherein the upper heat compensation cover is placed on the cloth feeding side of a hot-rolling flower roll; the lower heat compensation cover is placed on the cloth feeding side of a smooth roll; the upper heat preservation cover is placed on the cloth output side of the hot-rolling flower roll; the lower heat preservation cover is placed on the cloth output side of the smooth roll; the upper heat compensation cover, the lower heat compensation cover, the upper heat preservation cover and the lower heat preservation cover are connected and fixed to brackets on two side surfaces via fixing pieces on two sides of cover bodies; the slide rail structure is welded to the brackets; the heating pipe and the arc-shaped reflection cover are arranged in the centers of the inner layers of the upper heat compensation cover and the lower heat compensation cover; the temperature sensors are arranged at four corners of the upper heat compensation cover and the lower heat compensation cover. According to the utility model, temperature control and heat compensation on surfaces of roller bodies are realized, the whole designed structure is simple, and maintenance and cleanness are facilitated.
Description
Technical field
The utility model relates to a kind of nonwoven fabric manufacturing technology apparatus field, particularly a kind of nonwoven fabric hot roll thermal compensation device.
Background technology
In nonwoven production process, reinforcing is to make fibre web have certain brute force and an important procedure forming nonwoven fabric construct.Reinforcement effect can reach by machinery, chemistry or the method such as hot, and wherein thermal consolidating mainly under hot effect, melting occurs by fiber and fiber and is bonded together.Heat bonding nonwoven fabric can be divided into Convective Heating, conduction heating and radiation heating by mode of heating.Conventional is first two at present, and Convective Heating adopts hot air type more; The main steel roll mode of heating that adopts of conduction heating.
The modes such as hot-rolling heating type general using steam, conduction oil, electrothermal tube and electric induction heat steel rider, and steel rider is generally upper and lower two rolls, and wherein top roll has texturing, is called hot scoring roller, and lower roll is shiny surface, is called smooth roll.Two rollers are all with heating system.When fibre web enters two roll shop buildings, contact with up-down rollers and heated up by conduction of heat, air in fibre web is also heated rapidly simultaneously, help the diffusion of heat, now in fibre web meldable fibre part high molecular polymerization deposits yields viscous state, the huge linear pressure of roll makes fiber produce hot further intensification of distortion simultaneously, promote flowing of part macromolecular material, thereby make between fiber, to have produced in fibre web heat bonding effect, when after roll, fibre web is lowered the temperature rapidly (air cooling-down or cold water roller cooling), thereby fibre web has obtained heat bonding reinforcing.
Because the top and bottom rolls of hot-rolling mill is open by design, hot roll heat can constantly distribute to the external world, reduce the temperature on hot roll surface, hot rolling effect is reduced, and Energy Efficiency Ratio is little, while especially producing high grammes per square metre non-woven cloth products, because the thickness of fibre web is larger, temperature conduction is difficulty comparatively, and the fiber in fibre web intermediate layer fails to produce effective heat bonding, and lamination appears in product.
Utility model patent CN202227077U, discloses a kind of Novel non-woven cloth insulation device for hot rolling mill, by installing attemperator additional at hot-rolling mill roll place, avoids heat loss, and hot rolling effect is poor, the larger problem of energy consumption; But shortcoming is: owing to being simple Insulation, join, keep in repair and clear up inconvenient with actual production is traditional thread binding, the more important thing is the variation along with environment temperature and season, simple insulation can not meet temperature control and the uniformity requirement of actual production to hot scoring roller and smooth roll temperature.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of nonwoven fabric hot roll thermal compensation device, for defect of the prior art, adopt the technology of thermal compensation and insulation use, at hot scoring roller and smooth roll periphery design thermal compensation cover and stay-warm case, and increase temperature sensor, monitor the temperature on hot scoring roller and smooth roll surface, and then regulate the distance between thermal compensation cover and stay-warm case and roll, guarantee hot scoring roller and the control of smooth roll surface temperature and the uniformity of surface temperature.
For achieving the above object, the technical solution of the utility model is as follows: a kind of nonwoven fabric hot roll thermal compensation device, comprise roll pedestal, lower thermal compensation cover, reflector, adjusting knob, temperature sensor, nonwoven fabric, slide rail, heating tube, upper thermal compensation cover, hot scoring roller, upper stay-warm case, hot rolling smooth roll, lower stay-warm case and support, it is characterized in that:
In nonwoven fabric actual production process, hot scoring roller and smooth roll are assemblied on roll pedestal, described roll pedestal both sides are provided with support, described support is used for assembling hot scoring roller and smooth roll, and upper and lower corresponding setting, described nonwoven fabric passes through between flower roller and smooth roll, and described hot scoring roller and space, smooth roll top and the bottom are subject to the restriction of device structure part, and other facility cannot be installed.Therefore, described nonwoven fabric hot roll thermal compensation device, utilize the space of hot scoring roller and smooth roll both sides, be divided into four regions via nonwoven fabric, nonwoven fabric top and hot scoring roller both sides, nonwoven fabric below and smooth roll both sides, also hot scoring roller and smooth roll heat-energy losses and be subject to the region of ambient temperature effect just of these four regions, and hot scoring roller and smooth roll be in course of hot rolling, with the exchange heat of nonwoven fabric be the region of hot scoring roller and smooth roll thermal energy consumption.
What described upper thermal compensation cover was arranged at described hot scoring roller enters cloth one side, and what described lower thermal compensation cover was arranged at described smooth roll enters cloth one side; What described upper stay-warm case was arranged at described hot scoring roller goes out cloth one side, and what described lower stay-warm case was arranged at described smooth roll goes out cloth one side.Described upper thermal compensation cover, lower thermal compensation cover, upper stay-warm case and lower stay-warm case are all connected and fixed by fixture and the original two flank side surface supports of apparatus for production line of cover body both sides, on described support, be welded with rail structure, fixture on cover body can move or locking by adjusting knob on slide rail, thereby can regulate the distance between each cover body and roll.
Described upper thermal compensation cover and lower thermal compensation cover internal layer center, axially parallel direction with hot scoring roller, smooth roll, be provided with heating tube, described heating tube rear is provided with arc reflection cover, the reflect heat that is used for heating tube to produce is to thermal compensation cover, described upper heat is repaid cover and lower thermal compensation cover inner surface is minute surface setting, there is best bright finish, can fully reflect the heat of heating tube scattering, and by heat through reflection with refraction stepless action in the surface of hot scoring roller and smooth roll, for hot scoring roller and smooth roll surface provide heat compensation.
The structure that described upper thermal compensation cover, lower thermal compensation cover, upper stay-warm case and lower stay-warm case are arcwall face, length is slightly wider than hot scoring roller and smooth roll, and described arcwall face and hot roll are concentric circle arc plane, and central angle angle corresponding to described four cover bodies is 90 degree; On described hot scoring roller thermal compensation cover and upper stay-warm case top edge angle be upper between angle, its angle is 60 degree angles; On described hot scoring roller thermal compensation cover and upper stay-warm case lower limb angle be lower between angle, described lower between angle be 120 degree angles; In like manner, upper the Yu Xiajian angle, angle of described lower thermal compensation cover and lower stay-warm case is also respectively 60 degree and 120 degree angles.
Four bights of described upper thermal compensation cover and lower thermal compensation cover arc cover body are provided with temperature sensor, amount to eight temperature sensors, monitor respectively the temperature signal of hot scoring roller and smooth roll outer surface, the temperature signal of monitoring, be sent to temperature by holding wire and show and control section, for the real-time monitoring of breaker roll surface temperature.
Stay-warm case and compensation cover optimal design, front half cycle is incubated in advance, and second half is carried out heat compensation, and described upper thermal compensation cover and lower thermal compensation cover are manufactured by aluminum alloy materials, and described insulation cover body is manufactured by aluminum alloy material lining insulation asbestos.
Conventionally while producing nonwoven fabric, the heat loss of the roller operation of rolling of hot scoring roller and smooth roll is uncontrolled state, affected by environment temperature and Air Flow, with environmental structure, environment temperature, ambient airflow velocity correlation, be difficult to the controllable state of the thermal loss that ensures hot scoring roller and smooth roll, therefore, the uniformity of roller surface temperature and the stability of temperature are also just difficult to ensure.
In actual production nonwoven fabric process, thermal compensation device to hot scoring roller and smooth roll is very important, although in thermal compensation process, outside heat energy consumes to some extent, but, in saving by hot scoring roller and the internal heat of holding calender, it is the saving that can obtain overall heat energy completely, and the thermal efficiency can improve, the surface temperature control of hot scoring roller and smooth roll and uniformity can be greatly improved, thereby obtain the non-woven cloth products of good non-woven cloth products quality and property indices excellence.
Convection current and radiation meeting cause the thermal losses of hot scoring roller and smooth roll, and empty gas phase temperature in convection current and the natural flow state of air phase are uncontrollable factors, and along with environment or seasonal temperature variant and change.
Although hot scoring roller and smooth roll all have inner heating arrangement, but, because hot roll surface is the key area of heat exhaustion and thermal losses, inner heat conduction, in High Rotation Speed and continuously heat exhaustion process, be not enough to the demand of the surperficial heat that meets hot scoring roller and smooth roll, so just need the thermal compensation of outer bed boundary; The heat compensation of outer bed boundary, that hot scoring roller and smooth roll superficial layer are spent to the heat compensation of putting with basic unit on the one hand, also be hot scoring roller and smooth roll ambient air layer to be carried out to heat scattering heat on the other hand, avoid surrounding air layer excessive temperature differentials to cause the heat loss of hot scoring roller and smooth roll.
The thermal energy radiation of thermal compensation cover, also plays insulation and thermogenic action to the air in non-woven fabrics fiber silk indirectly, and particularly, in the time that nonwoven fabric approaches between roll, the air themperature in roll fiber will be higher.
Described upper and lower stay-warm case is right angle with the corresponding central angle of described upper and lower thermal compensation cover;
The distance of described upper and lower stay-warm case and hot scoring roller and smooth roll is: 50--100;
The distance of described upper and lower thermal compensation cover and hot scoring roller and smooth roll is: 120--360;
Upper angle between described upper and lower stay-warm case and upper and lower thermal compensation cover is 60 degree, and between descending, angle is 120 degree;
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: at hot scoring roller and smooth roll one side, thermal compensation cover is set, opposite side arranges stay-warm case, realize the temperature control to hot roll surface, thermal energy consumption and the loss on hot roll surface are compensated, under the operating mode that runs up, hot scoring roller and smooth roll surface heat can be compensated timely, and alleviated the late effect of heat internal transmission, thereby guarantee that the quality of fabric hot rolled nonwoven fabrics product and property indices reach technology requirement.Distance between thermal compensation cover and stay-warm case and roll is adjustable, and heating tube power is adjustable, has realized the temperature range of thermal compensation, thereby has alleviated the consumption of roll internal heat energy.The detachable equipment supporter both sides that are connected in of integral thermal compensation cover and stay-warm case, convenient for maintaining is with clean.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of nonwoven fabric hot roll thermal compensation device structural representation of the utility model embodiment;
Fig. 2 is the disclosed a kind of nonwoven fabric hot roll thermal compensation device thermal compensation cover assembling schematic diagram of the utility model embodiment;
Fig. 3 is the disclosed a kind of nonwoven fabric hot roll thermal compensation device angle of assembling schematic diagram of the utility model embodiment.
Numeral and the represented corresponding component title of letter in figure:
1. 2. times thermal compensation covers of roll pedestal, 3. reflector 4. adjusting knobs
5. temperature sensor 6. nonwoven fabric 7. slide rail 8. heating tubes
9. go up stay-warm case 12. hot rolling smooth rolls on the hot scoring roller 11. of thermal compensation cover 10.
Angle 16. central angles between on 13. times stay-warm case 14. supports 15.
Angle between 17. times
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of nonwoven fabric hot roll thermal compensation device, comprise roll pedestal 1, lower thermal compensation cover 2, reflector 3, adjusting knob 4, temperature sensor 5, nonwoven fabric 6, slide rail 7, heating tube 8, upper thermal compensation cover 9, hot scoring roller 10, upper stay-warm case 11, hot rolling smooth roll 12, lower stay-warm case 13 and support 14, it is characterized in that:
In nonwoven fabric actual production process, hot scoring roller 10 and smooth roll 12 are assemblied on roll pedestal 1, described roll pedestal 1 both sides are provided with support 14, described support 14 is for assembling hot scoring roller 10 and smooth roll 12, and upper and lower corresponding setting, described nonwoven fabric passes through between hot scoring roller 10 and smooth roll 12, and described hot scoring roller 10 and smooth roll 12 spaces, top and the bottom are subject to the restriction of device structure part, and other facility cannot be installed.Therefore, described nonwoven fabric hot roll thermal compensation device, utilize the space of hot scoring roller 10 and smooth roll 12 both sides, be divided into four regions via nonwoven fabric 6, nonwoven fabric 6 tops and hot scoring roller 10 both sides, nonwoven fabric 6 belows and smooth roll 12 both sides, also hot scoring roller 10 and smooth roll 12 heat-energy losses and be subject to the region of ambient temperature effect just of these four regions, and hot scoring roller 10 and smooth roll 12 be in course of hot rolling, with the exchange heat of nonwoven fabric 6 are regions of hot scoring roller 10 and smooth roll 12 thermal energy consumptions.
What described upper thermal compensation cover 9 was arranged at described hot scoring roller 10 enters cloth one side, and what described lower thermal compensation cover 2 was arranged at described smooth roll 12 enters cloth one side; What described upper stay-warm case 11 was arranged at described hot scoring roller 10 goes out cloth one side, and what described lower stay-warm case 13 was arranged at described smooth roll 12 goes out cloth one side.Described upper thermal compensation cover 9, lower thermal compensation cover 2, upper stay-warm case 11 and lower stay-warm case 13 are all connected and fixed by fixture and the original two flank side surface supports 14 of apparatus for production line of cover body both sides, on described support 14, be welded with slide rail 7 structures, fixture on cover body can move or locking by adjusting knob 4 on slide rail 7, thereby can regulate the distance between each cover body and roll.
Described upper thermal compensation cover 9 and lower thermal compensation cover 2 internal layer centers, with hot scoring roller 10, the axially parallel direction of smooth roll 12, be provided with heating tube 8, described heating tube 8 rears are provided with arc reflection cover 3, the reflect heat that is used for heating tube 8 to produce is to thermal compensation cover, described upper heat is repaid cover 9 and lower thermal compensation cover 2 inner surfaces are minute surface setting, there is best bright finish, can fully reflect the heat of heating tube 8 scatterings, and heat process is reflected with refraction stepless action in the surface of hot scoring roller 10 and smooth roll 12, for hot scoring roller 10 and smooth roll 12 surfaces provide heat compensation.
The structure that described upper thermal compensation cover 9, lower thermal compensation cover 2, upper stay-warm case 11 and lower stay-warm case 13 are arcwall face, length is slightly wider than hot scoring roller 10 and smooth roll 12, described arcwall face and hot roll are concentric circle arc plane, and central angle angle corresponding to described four cover bodies is 90 degree; The upper thermal compensation cover 9 of described hot scoring roller 10 and upper stay-warm case 11 top edge angles be upper between angle 15, its angle is 60 degree angles; On described hot scoring roller thermal compensation cover 10 and upper stay-warm case 11 lower limb angles be lower between angle 17, described lower between angle 17 be 120 degree angles; In like manner, upper angle 15 of described lower thermal compensation cover 2 and lower stay-warm case 13 and lower between angle 17 be also respectively 60 degree and 120 degree angles.
Described upper thermal compensation cover 9 and four bights of lower thermal compensation cover 2 arc cover bodies are provided with temperature sensor 5, amount to eight temperature sensors 5, monitor respectively the temperature signal of hot scoring roller 10 and smooth roll 12 outer surfaces, the temperature signal of monitoring, be sent to temperature by holding wire and show and control section, for the real-time monitoring of breaker roll surface temperature.
Stay-warm case and compensation cover optimal design, front half cycle is incubated in advance, and second half is carried out heat compensation, and described upper thermal compensation cover 9 and lower thermal compensation cover 2 are manufactured by aluminum alloy materials, and described upper and lower insulation cover body is manufactured by aluminum alloy material lining insulation asbestos.
Conventionally while producing nonwoven fabric, the heat loss of the roller operation of rolling of hot scoring roller 10 and smooth roll 12 is uncontrolled states, affected by environment temperature and Air Flow, with environmental structure, environment temperature, ambient airflow velocity correlation, be difficult to the controllable state of the thermal loss that ensures hot scoring roller and smooth roll, therefore, the uniformity of roller surface temperature and the stability of temperature are also just difficult to ensure.
In actual production nonwoven fabric process, hot scoring roller 10 and the thermal compensation device of smooth roll 12 are very important, although in thermal compensation process, outside heat energy consumes to some extent, but, in saving by hot scoring roller and the internal heat of holding calender, it is the saving that can obtain overall heat energy completely, and the thermal efficiency can improve, hot scoring roller 10 can be greatly improved with surface temperature control and the uniformity of smooth roll 12, thereby obtains the non-woven cloth products of good non-woven cloth products quality and property indices excellence.
Convection current and radiation meeting cause the thermal losses of hot scoring roller 10 and smooth roll 12, and empty gas phase temperature in convection current and the natural flow state of air phase are uncontrollable factors, and change along with environment or seasonal temperature variant.
Although hot scoring roller 10 all has inner heating arrangement with smooth roll 12, but, because hot roll surface is the key area of heat exhaustion and thermal losses, inner heat conduction, in High Rotation Speed and continuously heat exhaustion process, be not enough to the demand of the surperficial heat that meets hot scoring roller and smooth roll, so just need the thermal compensation of outer bed boundary; The heat compensation of outer bed boundary, that hot scoring roller and smooth roll superficial layer are spent to the heat compensation of putting with basic unit on the one hand, also be hot scoring roller and smooth roll ambient air layer to be carried out to heat scattering heat on the other hand, avoid surrounding air layer excessive temperature differentials to cause the heat loss of hot scoring roller and smooth roll.
The thermal energy radiation of thermal compensation cover, also plays insulation and thermogenic action to the air in non-woven fabrics fiber silk indirectly, and particularly, in the time that nonwoven fabric approaches between roll, the air themperature in roll fiber will be higher.
Preferably, described upper and lower stay-warm case is right angle with the corresponding central angle of described upper and lower thermal compensation cover;
Preferably, the distance of described upper and lower stay-warm case and hot scoring roller and smooth roll is: 80;
Preferably, the distance of described upper and lower thermal compensation cover and hot scoring roller and smooth roll is: 200;
Preferably, upper the angle between described upper and lower stay-warm case and upper and lower thermal compensation cover is 60 degree, and between descending, angle is 120 degree.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: at hot scoring roller and smooth roll one side, thermal compensation cover is set, opposite side arranges stay-warm case, realize the temperature control to hot roll surface, thermal energy consumption and the loss on hot roll surface are compensated, under the operating mode that runs up, hot scoring roller and smooth roll surface heat can be compensated timely, and alleviated the late effect of heat internal transmission, thereby guarantee that the quality of fabric hot rolled nonwoven fabrics product and property indices reach technology requirement.Distance between thermal compensation cover and stay-warm case and roll is adjustable, and heating tube power is adjustable, has realized the temperature range of thermal compensation, thereby has alleviated the consumption of roll internal heat energy.The detachable equipment supporter both sides that are connected in of integral thermal compensation cover and stay-warm case, convenient for maintaining is with clean.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a nonwoven fabric hot roll thermal compensation device, it is characterized in that, comprise roll pedestal, lower thermal compensation cover, reflector, adjusting knob, temperature sensor, nonwoven fabric, slide rail, heating tube, upper thermal compensation cover, hot scoring roller, upper stay-warm case, hot rolling smooth roll, lower stay-warm case, support, upper between He Xiajian angle, angle; Described hot roll is assemblied on two side stands of roll pedestal, and upper and lower corresponding setting, and what described upper thermal compensation cover was arranged at described hot scoring roller enters cloth one side, and what described lower thermal compensation cover was arranged at described smooth roll enters cloth one side; What described upper stay-warm case was arranged at described hot scoring roller goes out cloth one side, what described lower stay-warm case was arranged at described smooth roll goes out cloth one side, described upper thermal compensation cover, lower thermal compensation cover, upper stay-warm case and lower stay-warm case all described in the fixture by cover body both sides and two flank side surface support be connected and fixed, on described support, be welded with rail structure, fixture on cover body can move or locking by adjusting knob on slide rail, thereby can regulate the distance between each cover body and roll.
2. a kind of nonwoven fabric hot roll thermal compensation device according to claim 1, it is characterized in that, described upper thermal compensation cover and lower thermal compensation cover internal layer center, with roll mandrel to parallel direction, be provided with heating tube, described heating tube rear is provided with arc reflection cover.
3. a kind of nonwoven fabric hot roll thermal compensation device according to claim 1, it is characterized in that, described upper thermal compensation cover and lower thermal compensation cover inner surface are minute surface setting, have best bright finish, can fully reflect the heat of heating tube scattering, for hot scoring roller and smooth roll surface provide heat compensation.
4. a kind of nonwoven fabric hot roll thermal compensation device according to claim 1, it is characterized in that, the structure that described upper thermal compensation cover, lower thermal compensation cover, upper stay-warm case and lower stay-warm case are arcwall face, length is slightly wider than hot scoring roller and smooth roll, and described arcwall face and hot roll are concentric circle arc plane.
5. a kind of nonwoven fabric hot roll thermal compensation device according to claim 1, is characterized in that, central angle angle corresponding to described four cover bodies is 90 degree; Between on described, angle is 60 degree angles; Between under described, angle is 120 degree angles.
6. a kind of nonwoven fabric hot roll thermal compensation device according to claim 1, it is characterized in that, four bights of described upper thermal compensation cover and lower thermal compensation cover arc cover body are provided with temperature sensor, monitor respectively the temperature signal of hot scoring roller and smooth roll outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069118.5U CN203768612U (en) | 2014-02-18 | 2014-02-18 | Hot roll heat compensation device for non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069118.5U CN203768612U (en) | 2014-02-18 | 2014-02-18 | Hot roll heat compensation device for non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768612U true CN203768612U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069118.5U Expired - Fee Related CN203768612U (en) | 2014-02-18 | 2014-02-18 | Hot roll heat compensation device for non-woven fabric |
Country Status (1)
| Country | Link |
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| CN (1) | CN203768612U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838192A (en) * | 2017-11-23 | 2018-03-27 | 鹤山市顺亿达铜业制品有限公司 | A kind of automatic hot-rolling arrangement of copper coin |
| CN112239918A (en) * | 2020-10-12 | 2021-01-19 | 吴灿强 | Non-woven fabric hot rolling mill |
| CN113818150A (en) * | 2021-09-26 | 2021-12-21 | 安徽三维无纺布科技有限公司 | Non-woven fabric hot roll thermal compensation equipment |
| CN115094598A (en) * | 2022-06-21 | 2022-09-23 | 福建恒安集团有限公司 | Radiation type volume recovery device |
-
2014
- 2014-02-18 CN CN201420069118.5U patent/CN203768612U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838192A (en) * | 2017-11-23 | 2018-03-27 | 鹤山市顺亿达铜业制品有限公司 | A kind of automatic hot-rolling arrangement of copper coin |
| CN112239918A (en) * | 2020-10-12 | 2021-01-19 | 吴灿强 | Non-woven fabric hot rolling mill |
| CN113818150A (en) * | 2021-09-26 | 2021-12-21 | 安徽三维无纺布科技有限公司 | Non-woven fabric hot roll thermal compensation equipment |
| CN115094598A (en) * | 2022-06-21 | 2022-09-23 | 福建恒安集团有限公司 | Radiation type volume recovery device |
| CN115094598B (en) * | 2022-06-21 | 2023-06-02 | 福建恒安集团有限公司 | Radial type volume recovery device |
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| 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: 20140813 Termination date: 20170218 |