CN102251430A - Heating device of calender for papermaking - Google Patents
Heating device of calender for papermaking Download PDFInfo
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- CN102251430A CN102251430A CN2011102138120A CN201110213812A CN102251430A CN 102251430 A CN102251430 A CN 102251430A CN 2011102138120 A CN2011102138120 A CN 2011102138120A CN 201110213812 A CN201110213812 A CN 201110213812A CN 102251430 A CN102251430 A CN 102251430A
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- heater
- calender
- controller
- heat exchanger
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Abstract
The invention relates to the technical field of calenders in papermaking equipment, in particular to a heating device of a calender for papermaking. The heating device comprises an oil tank, an oil pump, a heater arranged in the oil tank, a heat exchanger and a controller, wherein the input end of the oil pump is communicated with the oil tank, and the output end of the oil pump is connected with the oil inlet of the heat exchanger; the oil outlet of the heat exchanger is connected with one end of a steel roller of the calender, and the other end of the steel roller of the calender is communicated with the oil tank through an oil return pipeline; and the heater is connected with the controller. The temperature of hot oil is controlled through the controller, the steel roller is heated in a mode of delivering the hot oil to the hollow steel roller of the calender, and paper is further heated and flattened, so that the paper becomes flat. The heating device has the advantages of high heating speed and stable temperature control, and the paper treated through the calender has better smoothness and stable quality.
Description
Technical field
The present invention relates to the calender technical field in the paper making equipment, particularly a kind of heater of roll presses for paper industry.
Background technology
Along with the consumer is more and more higher to the requirement of packing, its smoothness to paper requires also more and more higher.In the paper-making process, adopt calender that paper is flattened processing usually, therefore, calender is to the smoothness decisive role of paper.
Calendering device in the paper making equipment is divided into hard calender and soft press-polishing machine, soft press-polishing machine is made up of rack-mounted two felt wrapped rolls, the paper flatten area of soft press-polishing machine is soft relatively, felt wrapped roll is made up of soft roller and steel rider, wherein, the temperature of steel roller faces has the greatest impact to the smoothness of paper, paper is subjected to the hot iron of steel roller faces when being subjected to shear action, improved the temperature of paper, thereby change the plasticity of paper fibre, increase smoothness, improve bulk, under the pressure effect of felt wrapped roll, make paper become smooth again.
In the prior art, the steel rider of soft press-polishing machine heats by feed steam from the hole of steel rider, to improve the temperature of steel roller faces, yet, adopt this steam-heated mode, exist firing rate slow, heating-up temperature is not high enough, temperature is unstable, thereby influences the quality stability of paper smoothness.
Therefore, at deficiency of the prior art, needing badly provides that a kind of firing rate is fast, the heater of the roll presses for paper industry of good stability, to satisfy producing the requirement of high smoothness paper.
Summary of the invention
The objective of the invention is to avoid weak point of the prior art and provide that a kind of firing rate is fast, the heater of the roll presses for paper industry of good stability.
Purpose of the present invention realizes by following technical measures: the heater that a kind of roll presses for paper industry is provided, include fuel tank, oil pump, be arranged at heater, heat exchanger and controller in the fuel tank, the input of described oil pump is communicated with described fuel tank, the output of described oil pump is connected with the oil-in of described heat exchanger, the oil-out of described heat exchanger is connected with an end of the steel rider of calender, the other end of the steel rider of described calender is communicated with described fuel tank by oil returning tube, and described heater is connected with described controller.
Wherein, described heat exchanger is provided with coiled pipe, and described coiled pipe is provided with water inlet and delivery port.
Wherein, described water inlet is provided with control valve, and described control valve is connected with described controller.
Wherein, described oil pump is provided with temperature sensor with the pipeline that described heat exchanger is connected, and described temperature sensor is connected with described controller.
Wherein, described steel rider is a hollow steel roller.
Wherein, described fuel tank is provided with heat-insulation layer.
Beneficial effect of the present invention: the heater of a kind of roll presses for paper industry of the present invention, include fuel tank, oil pump, be arranged at heater, heat exchanger and controller in the fuel tank, the input of oil pump is communicated with fuel tank, the output of oil pump is connected with the oil-in of heat exchanger, the oil-out of heat exchanger is connected with an end of the steel rider of calender, the other end of the steel rider of calender is communicated with fuel tank by oil returning tube, and heater is connected with controller.Heater of the present invention heats steel rider by the mode of input deep fat in the hollow steel roller of calender, the hot oil temperature that controller is exported with the adjusting fuel tank according to the voltage of the difference control heater of oily Wen Wendu after heating and predefined temperature, the paper to process heats pressing under the predefined temperature thereby the steel rider that makes calender remains on, paper is subjected to the hot iron of steel roller faces when being subjected to shear action, improved the temperature of paper, thereby under the pressure effect of two felt wrapped rolls of calender, it is smooth that paper becomes again for the plasticity of change paper fibre.Heater of the present invention can realize that firing rate is fast, stable temperature control, thereby makes the calendered paper smoothness of process better, steady quality.
Description of drawings
The present invention will be further described to utilize accompanying drawing, but the content in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the structural representation of embodiment of the heater of a kind of roll presses for paper industry of the present invention.
Include among Fig. 1:
Heat exchanger 4, coiled pipe 41, water inlet 42, control valve 421, delivery port 43;
Calender 6;
The specific embodiment
The invention will be further described with the following Examples: the embodiment of the heater of a kind of roll presses for paper industry of the present invention as shown in Figure 1, include fuel tank 1, oil pump 2, be arranged at heater 3, heat exchanger 4 and controller 5 in the fuel tank 1, the input of oil pump 2 is communicated with fuel tank 1, the output of oil pump 2 is connected with the oil-in of heat exchanger 4, the oil-out of heat exchanger 4 is connected with an end of the steel rider of calender 6, the other end of the steel rider of calender 6 is communicated with fuel tank 1 by oil returning tube, and heater 3 is connected with controller 5.
Heat exchanger 4 is provided with coiled pipe 41, and coiled pipe 41 is provided with water inlet 42 and delivery port 43.
In the present embodiment, the pipeline that oil pump 2 is connected with heat exchanger 4 is provided with temperature sensor 7, and temperature sensor 7 is connected with controller 5.Temperature sensor 7 is used to detect the oil temperature of the deep fat of oil pump 2 outputs, and this temperature signal is sent to controller 5, controller 5 regulates according to the difference of this oil temperature and predefined oil temperature that 3 pairs of fuel tanks 1 of heater heat or controlling to adjust 421 pairs of oily temperature of valve lowers the temperature.
Steel rider is a hollow steel roller, and deep fat enters from an end of steel rider, is back to the fuel tank 1 from the other end of steel rider, thereby steel rider is heated.
Heater of the present invention heats steel rider by the mode of input deep fat in the hollow steel roller of calender 6, and maximum temperature is 175 ℃.Controller 5 according to the voltage of the oil temperature of heating rear pump or output pump 2 output and the difference control heater 3 of controller 5 predefined temperature to regulate the hot oil temperature of fuel tank 1 output, the paper to process heats pressing under the required temperature thereby the steel rider that makes calender 6 remains on, paper is subjected to the hot iron of steel roller faces when being subjected to shear action, improved the temperature of paper, thereby change the plasticity of paper fibre, under the pressure effect of 6 two felt wrapped rolls of calender, it is smooth that paper becomes again.Heater of the present invention can realize that firing rate is fast, stable temperature control, thereby makes the paper smoothness of handling through calender 6 better, steady quality.
Its operation principle is as follows: the temperature required according to the steel rider of calender 6, the oil temperature that controller 5 preestablishes required heating is T1, oil in 3 pairs of fuel tanks of heater 1 heats, deep fat is through oil pump 2 outputs, the signal that temperature sensor 7 on oil pump 2 output pipes will be exported the temperature T 2 of deep fat is sent to controller 5, and controller 5 compares according to the temperature T 2 of this deep fat and the difference of predefined temperature value T1:
As T2＜T1, oily temperature is crossed when hanging down, and the voltage that controller 5 is regulated heaters 3 heats with the oil temperature that raises fuel tank 1;
Work as T2〉T1, oil is warm when too high, and controller 5 sends control signal to control valve 421, and control valve 421 is opened, and cold water enters heat exchanger 4 by water inlet 42, and deep fat is carried out heat exchange to reach the purpose of cooling; Controller 5 control heaters 3 stop heating;
When oil temperature T2 reduced to predefined temperature T 1, controller 5 control and regulation valves 421 cut out, and stop to enter of cold water.Need to prove that T1 can be a temperature range, frequently regulate the oil temperature to avoid controller.
Should be noted that at last; above embodiment only is used to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (6)
1. the heater of a roll presses for paper industry, it is characterized in that: include fuel tank, oil pump, be arranged at heater, heat exchanger and controller in the fuel tank, the input of described oil pump is communicated with described fuel tank, the output of described oil pump is connected with the oil-in of described heat exchanger, the oil-out of described heat exchanger is connected with an end of the steel rider of calender, the other end of the steel rider of described calender is communicated with described fuel tank by oil returning tube, and described heater is electrically connected with described controller.
2. the heater of a kind of roll presses for paper industry according to claim 1, it is characterized in that: described heat exchanger is provided with coiled pipe, and described coiled pipe is provided with water inlet and delivery port.
3. the heater of a kind of roll presses for paper industry according to claim 2, it is characterized in that: described water inlet is provided with control valve, and described control valve is electrically connected with described controller.
4. the heater of a kind of roll presses for paper industry according to claim 3, it is characterized in that: described oil pump is provided with temperature sensor with the pipeline that described heat exchanger is connected, and described temperature sensor is electrically connected with described controller.
5. the heater of a kind of roll presses for paper industry according to claim 1, it is characterized in that: described steel rider is a hollow steel roller.
6. the heater of a kind of roll presses for paper industry according to claim 1, it is characterized in that: described fuel tank is provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110213812 CN102251430B (en) | 2011-07-28 | 2011-07-28 | Heating device of calender for papermaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110213812 CN102251430B (en) | 2011-07-28 | 2011-07-28 | Heating device of calender for papermaking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102251430A true CN102251430A (en) | 2011-11-23 |
| CN102251430B CN102251430B (en) | 2013-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110213812 Active CN102251430B (en) | 2011-07-28 | 2011-07-28 | Heating device of calender for papermaking |
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| Country | Link |
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| CN (1) | CN102251430B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568498A (en) * | 2013-10-21 | 2014-02-12 | 安徽华印机电股份有限公司 | Oil heating and heat-preserving roller |
| CN105373154A (en) * | 2014-07-25 | 2016-03-02 | 金东纸业（江苏）股份有限公司 | Temperature control system |
| CN113322712A (en) * | 2021-05-01 | 2021-08-31 | 苏珠弟 | Heating device of calender for papermaking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994367A (en) * | 1974-06-27 | 1976-11-30 | Escher Wyss Limited | Hydrostatically lubricated bearing |
| US4282639A (en) * | 1979-01-23 | 1981-08-11 | Escher Wyss Limited | Heated controlled deflection roll |
| CN1549074A (en) * | 2003-05-13 | 2004-11-24 | 大连理工大学 | Method and apapratus for temperature circulation control |
| CN201116008Y (en) * | 2007-09-13 | 2008-09-17 | 杭州吴泰印刷包装机械有限公司 | Roller heating device |
| CN202164501U (en) * | 2011-07-28 | 2012-03-14 | 广东理文造纸有限公司 | Heating device of calender used for papermaking |
-
2011
- 2011-07-28 CN CN 201110213812 patent/CN102251430B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994367A (en) * | 1974-06-27 | 1976-11-30 | Escher Wyss Limited | Hydrostatically lubricated bearing |
| US4282639A (en) * | 1979-01-23 | 1981-08-11 | Escher Wyss Limited | Heated controlled deflection roll |
| CN1549074A (en) * | 2003-05-13 | 2004-11-24 | 大连理工大学 | Method and apapratus for temperature circulation control |
| CN201116008Y (en) * | 2007-09-13 | 2008-09-17 | 杭州吴泰印刷包装机械有限公司 | Roller heating device |
| CN202164501U (en) * | 2011-07-28 | 2012-03-14 | 广东理文造纸有限公司 | Heating device of calender used for papermaking |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568498A (en) * | 2013-10-21 | 2014-02-12 | 安徽华印机电股份有限公司 | Oil heating and heat-preserving roller |
| CN105373154A (en) * | 2014-07-25 | 2016-03-02 | 金东纸业（江苏）股份有限公司 | Temperature control system |
| CN105373154B (en) * | 2014-07-25 | 2017-11-07 | 金东纸业（江苏）股份有限公司 | Temperature control system |
| CN113322712A (en) * | 2021-05-01 | 2021-08-31 | 苏珠弟 | Heating device of calender for papermaking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102251430B (en) | 2013-06-05 |
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Denomination of invention: Heating device of calender for papermaking Effective date of registration: 20180408 Granted publication date: 20130605 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Guangdong Lee & Man Paper Factory Co., Ltd. Registration number: 2018440000080 |
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Date of cancellation: 20190605 Granted publication date: 20130605 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Guangdong Lee & Man Paper Factory Co., Ltd. Registration number: 2018440000080 |