CN110341233A - Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press - Google Patents
Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press Download PDFInfo
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- CN110341233A CN110341233A CN201910664752.0A CN201910664752A CN110341233A CN 110341233 A CN110341233 A CN 110341233A CN 201910664752 A CN201910664752 A CN 201910664752A CN 110341233 A CN110341233 A CN 110341233A
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- heat
- hot press
- conducting oil
- oil pipes
- oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The present invention provides a kind of method and device for preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press being easily achieved, including the internal hot press with thermal conductive oil pipeline, it is connect with thermal conductive oil pipeline and provides the conduction oil of conduction oil for the energy, it is characterized by: being connected with a temperature control electromagnetic in the import of the hot press heat-conducting oil pipes, the amount into the conduction oil in the hot press heat-conducting oil pipes is controlled by the temperature control electromagnetic；This method includes after shutting down, keeping conduction oil constant flow state, and gradually reduce the amount into conduction oil in heat-conducting oil pipes, knows that the temperature in heat-conducting oil pipes is gradually reduced by initial temperature in this way.
Description
Technical field
The present invention relates to the technical fields that hot press internal duct used when ecological sheet material production prevents carbon distribution, especially
It is related to a kind of method and device for preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press.
Background technique
Ecological board is a kind of common fitment material for family, by core plate, positioned at the plank of core plate two sides and the surface layer poplar of outer layer
Plank is extruded from through gluing, and production technology substantially timber gets-and timber polishing-sorting scrapes plate-in greasy-cloth glue row
It is cold that cold pressing-core finishing-hot pressing-deburring-core plate polishing-machine scrapes greasy-drying-receipts filler strip-sanding-reinspection-veneer-
- pressure surface cold repair-have a shave-polishes saw side-substrate sorting-hot pressing-and detect-repairs surrounding edge-edging coding-packing etc. pressure
Process needs in the large-scale production of plate using to hot press, for the hot press of conduction oil energy-provision way, hot pressing
Carbon deposition phenomenon occurs for machine discovery inner wall of the pipe after using 2 years, and hereafter hot press heat transfer efficiency reduces, and then leads to production efficiency
It reduces, and hot press is because its components is more, later period maintenance program is complicated, the period is long, at high cost seriously restricts production efficiency
It is promoted, secondly, unexpected shutdown, failure in hot press work, shutdown when not working, the conduction oil in heat-conducting oil pipes are easy
Carbon distribution occurs, after carbon distribution occurs, general way is to send back to producer by hot press field stripping and by the component that need to be repaired
It being repaired or replaced, this mode is time-consuming, laborious, meanwhile, the maintenance cost of enterprise greatly increases, seriously restricts the life of enterprise
Efficiency, the components or equipment that second way formula directly more renews are produced, this mode purchase commodity greatly increases, meanwhile, original equipment
Utilization rate and service life substantially reduce, equally seriously restrict the production efficiency of enterprise.
Through inventor the study found that the temperature of conduction oil is higher, shut down when shutdown suddenly, failure occurs, does not work
In the case of, easier generation carbon distribution, carbon deposition phenomenon are also more serious.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, provide it is a kind of be easily achieved it is anti-
Only in hot press heat-conducting oil pipes inner wall generate carbon distribution method and device.
In order to achieve the object of the present invention, the technical scheme adopted by the invention is as follows:
A kind of device for preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press is designed, including internal with thermal conductive oil pipeline
Hot press, connect with thermal conductive oil pipeline and provide the conduction oil of conduction oil for the energy, it is characterised in that: the hot press is thermally conductive
A temperature control electromagnetic is connected in the import of oil pipe, into the conduction oil in the hot press heat-conducting oil pipes amount by the temperature control electromagnetism
Valve control.
The conduction oil is thermally conductive for being connected separately with main pipeline thermal oil return, main pipeline on the export and import of the energy
Oily oil inlet delivery pipe, wherein the import of temperature control electromagnetic is connect with main pipeline conduction oil oil inlet delivery pipe, hot press heat-conducting oil pipes
Outlet on be connected with check valve, the outlet of check valve is connected to main pipeline thermal oil return.
It further include a return pipe, wherein the inlet parallel of the import of return pipe and temperature control electromagnetic control, return pipe go out
Mouth is in parallel with main pipeline thermal oil return.
Circulating reflux solenoid electric valve is installed on the return pipe.
It further include a circulating pump, the circulating pump is mounted in the inlet ductwork of temperature control electromagnetic.
Adjustable temperature sensor is equipped in the heat-conducting oil pipes.
It further include control unit, described control unit includes controller, the circulating pump, temperature control electromagnetic, circulating reflux
Solenoid electric valve, temperature sensor are connect with the controller.
The method that heat-conducting oil pipes inner wall generates carbon distribution in hot press is prevented the invention also discloses a kind of, this method is mainly answered
In the case of preventing heat-conducting oil pipes inner wall from generating carbon distribution when shutting down for hot press, temperature in its heat conducting oil pipe when hot press works
Degree is 120 DEG C -170 DEG C, it includes the following steps:
S1. after shutting down, conduction oil constant flow state is kept, and entered in heat conducting oil pipe by temperature control electromagnetic control and led
The amount of hot oil, the temperature controlled in heat-conducting oil pipes in this way are gradually reduced by initial temperature；
S2. when the temperature in heat-conducting oil pipes is down to not higher than 80 DEG C, stop conduction oil flowing, so far hot press can stop
Machine.
In step S1, the rate of temperature decline is 3-5 DEG C/10min.
Step S1, in S2, by the temperature data in temperature sensor implementing monitoring heat-conducting oil pipes.
The beneficial effects of the present invention are:
The design is easily achieved, and can prevent heat-conducting oil pipes inner wall in hot press from generating carbon distribution by the implementation of the design, this
The implementation of design can solve the problems, such as that current hot press uses carbon distribution, heat transfer efficiency reduction in rear tube wall because of long-time.
Detailed description of the invention
Fig. 1 is the primary structure schematic diagram of the design；
Fig. 2 is the electric control theory schematic diagram of the design.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment 1: a kind of device preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press, referring to Fig. 1, Fig. 2；
It includes the internal hot press 5 with thermal conductive oil pipeline 6, connect with thermal conductive oil pipeline 6 and provide leading for conduction oil
Hot oil is for the energy, and the conduction oil is for being connected separately with main pipeline thermal oil return 1, main pipeline on the export and import of the energy
Conduction oil oil inlet delivery pipe 2.
The design is, a temperature control electromagnetic 8 is connected in the import of the hot press heat-conducting oil pipes 6, into the hot pressing
The amount of conduction oil in machine heat-conducting oil pipes 6 is controlled by the temperature control electromagnetic 8.
It further include a return pipe 4, wherein the inlet parallel of the import of return pipe 4 and the control of temperature control electromagnetic 8, hot press
Check valve 11 is connected in the outlet of heat-conducting oil pipes, the outlet of check valve 11 is connected to main pipeline thermal oil return.Described time
Circulating reflux solenoid electric valve 10 is installed in flow tube 4.
It further, further include a circulating pump 7, the circulating pump 7 is mounted in the inlet ductwork of temperature control electromagnetic, together
When, the heat-conducting oil pipes are interior to be equipped with adjustable temperature sensor 9, this temperature sensor monitors heat-conducting oil pipes in hot press in real time
Interior temperature.
It further include control unit, described control unit includes controller, the circulating pump, temperature control electromagnetic, circulating reflux
Solenoid electric valve, temperature sensor are connect with the controller；Here, explanation, circulating pump, follow temperature control electromagnetic
Loopback stream solenoid electric valve, temperature sensor and the connection type of the controller and specific circuit connection structure are existing
Technology, is not the place of the present invention, therefore no longer carries out excessive repeat to it herein.
Embodiment 2, the present embodiment disclose a kind of method for preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press, this method
It is mainly used in embodiment 1, in the case of preventing heat-conducting oil pipes inner wall from generating carbon distribution when hot press shutdown, mesh
Temperature is 120 DEG C -170 DEG C in its heat conducting oil pipe when preceding hot press works, can be to avoid leading using this method when shutting down
The problem of carbon distribution, occurs for hot oil inside pipe wall, it includes the following steps:
S1. after shutting down, conduction oil constant flow state is kept, and entered in heat conducting oil pipe by temperature control electromagnetic control and led
The amount of hot oil, the temperature controlled in heat-conducting oil pipes in this way are gradually reduced by initial temperature；In this step S1, temperature decline
Rate be 3-5 DEG C/10min.
S2. when the temperature in heat-conducting oil pipes is down to not higher than 80 DEG C, stop conduction oil flowing, so far hot press can stop
Machine.
Specifically, the more specifically implementation process of this method is as follows, referring to Fig. 1:
1, when hot press works normally, the temperature of hot press is provided by conduction oil, at this point, conduction oil passes through main pipeline
Conduction oil oil inlet delivery pipe is simultaneously transported in hot press by circulating pump offer pressure, in the process, the opening of temperature control electromagnetic 8,
Circulating reflux solenoid electric valve is closed, and hot press is in normal operating conditions.
2, when hot press needs to shut down, at this point, conduction oil supply state is still kept, at this point, controlling temperature by controller
Control solenoid valve 8 opens certain angle, and fully opens circulating reflux solenoid electric valve simultaneously or moderately open and be recycled back to galvanic electricity
Magnetic control valve certain angle, control enters the oil inlet quantity in hot press in thermal conductive oil pipeline in this way, and circulating pump is more at this time
Remaining oil mass is flowed into main pipeline thermal oil return by return pipe, and during this, it is thermally conductive that check valve can avoid main pipeline
Oil in oil return pipe flows backward in hot press, and during this, the rate of temperature decline is 3-5 DEG C/10min, temperature sensor
The temperature in heat-conducting oil pipes is sent to controller in real time.
3, conduction oil can be stopped by the temperature in heat-conducting oil pipes being gradually reduced to 80 degree or less according to above-mentioned 2 modes
Flowing, the shutdown of hot press can be completed at this time.
It need described herein being shut down when the temperature in hot press in pipeline is reduced to 80 DEG C, theoretical foundation is,
Inventor it has been investigated that, the reason of inner wall in hot press in pipeline generates carbon distribution with pipeline material and conduction oil itself simultaneously
Without much relations, the critical-temperature that conduction oil generates carbon distribution is 80 DEG C of degree left and right, therefore, is found by test of many times, if hot pressing
Machine quickly stays cool in its internal duct in the conduction oil short time after a shutdown, and thermally conductive oil temperature is dropped by nature
Down to room temperature, within this time, thermally conductive oil temperature is reduced comparatively fast, then easily generates carbon distribution, therefore, this hair in inner wall of the pipe at this time
Bright use, when hot press is shut down, its conduction oil is in flow regime, in this case, gradually by the temperature of conduction oil according to 3-
The rate of 5 DEG C/10min gradually decreases to 80 DEG C, or stops conduction oil again after being reduced to 80 DEG C 70 DEG C below or 60 DEG C
Flowing, when the temperature of conduction oil is reduced to 80 DEG C or less, conduction oil is not susceptible to carbon deposition phenomenon, can solve in this way
Certainly perplexing most enterprises thermal conductive oil pipeline inner wall carbon distribution at present can not solve the problems, such as that (solving carbon distribution at present is by disassembly heat
The mode that press is cleared up) the problem of, namely hot press pipeline inner wall generation after prolonged use will be avoided from source
The problem of carbon distribution, through the invention, original hot press in the cleaning work for just needing to carry out carbon distribution using 2 years, and
It does not need to clear up using 6 years successors using hot press of the invention, substantially prolongs using the time, ensuring for hot press
Stability after hot press long-time use.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (10)
1. a kind of device for preventing heat-conducting oil pipes inner wall generation carbon distribution in hot press, including the internal hot pressing with thermal conductive oil pipeline
Machine connect with thermal conductive oil pipeline and provides the conduction oil of conduction oil for the energy, it is characterised in that: the hot press heat-conducting oil pipes
A temperature control electromagnetic is connected in import, into the conduction oil in the hot press heat-conducting oil pipes amount by the temperature control electromagnetic control
System.
2. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 2, it is characterised in that: described
Conduction oil is for being connected separately with main pipeline thermal oil return, main pipeline conduction oil oil inlet conveying on the export and import of the energy
Pipe, wherein the import of temperature control electromagnetic is connect with main pipeline conduction oil oil inlet delivery pipe, is connected in the outlet of hot press heat-conducting oil pipes
It is connected to check valve, the outlet of check valve is connected to main pipeline thermal oil return.
3. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 2, it is characterised in that: also wrap
Include a return pipe, wherein the inlet parallel of the import of return pipe and temperature control electromagnetic control, outlet and the main pipeline of return pipe are led
Hot oil return pipe is in parallel.
4. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 3, it is characterised in that: described
Circulating reflux solenoid electric valve is installed on return pipe.
5. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 2, it is characterised in that: also wrap
A circulating pump is included, the circulating pump is mounted in the inlet ductwork of temperature control electromagnetic.
6. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as described in claim 1, it is characterised in that: described
Adjustable temperature sensor is equipped in heat-conducting oil pipes.
7. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 2, it is characterised in that: also wrap
Control unit is included, described control unit includes controller, the circulating pump, temperature control electromagnetic, circulating reflux solenoid electric valve, temperature
Degree sensor is connect with the controller.
8. a kind of prevent the method that heat-conducting oil pipes inner wall generates carbon distribution in hot press, when this method is mainly used in hot press shutdown
In the case of preventing heat-conducting oil pipes inner wall from generating carbon distribution, temperature is 120 DEG C -170 DEG C in its heat conducting oil pipe when hot press works,
It is characterized in that, it includes the following steps:
S1. after shutting down, conduction oil constant flow state is kept, and conduction oil in heat conducting oil pipe is entered by temperature control electromagnetic control
Amount, in this way control heat-conducting oil pipes in temperature be gradually reduced by initial temperature；
S2. when the temperature in heat-conducting oil pipes is down to not higher than 80 DEG C, stop conduction oil flowing, so far hot press can be shut down.
9. preventing the method that heat-conducting oil pipes inner wall generates carbon distribution in hot press as claimed in claim 8, it is characterised in that: step
In S1, the rate of temperature decline is 3-5 DEG C/10min.
10. preventing the device of heat-conducting oil pipes inner wall generation carbon distribution in hot press as claimed in claim 8, it is characterised in that: step
In rapid S1, S2, by the temperature data in temperature sensor implementing monitoring heat-conducting oil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664752.0A CN110341233A (en) | 2019-07-23 | 2019-07-23 | Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664752.0A CN110341233A (en) | 2019-07-23 | 2019-07-23 | Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press |
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| Publication Number | Publication Date |
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| CN110341233A true CN110341233A (en) | 2019-10-18 |
Family
ID=68179807
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|---|---|---|---|
| CN201910664752.0A Pending CN110341233A (en) | 2019-07-23 | 2019-07-23 | Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press |
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| CN1820934A (en) * | 2006-03-28 | 2006-08-23 | 严振华 | Shaped carbon processing device using heat conductive oil as heating carrier |
| CN101634315A (en) * | 2009-08-06 | 2010-01-27 | 李凯 | Compressed self-circulating device of oil tank of ballast raking machine |
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Application publication date: 20191018 |