CN203876119U - Temperature control system for liquid heat conducting medium - Google Patents
Temperature control system for liquid heat conducting medium Download PDFInfo
- Publication number
- CN203876119U CN203876119U CN201420184989.1U CN201420184989U CN203876119U CN 203876119 U CN203876119 U CN 203876119U CN 201420184989 U CN201420184989 U CN 201420184989U CN 203876119 U CN203876119 U CN 203876119U
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- CN
- China
- Prior art keywords
- conducting medium
- heat
- thermal conductivity
- temperature control
- heat conducting
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- Expired - Fee Related
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Abstract
The utility model relates to a temperature control system for a liquid heat conducting medium. The system is a circular loop consisting of a heat conducting medium storage tank, an exhaust tank, a circulating pump, a heater and a cooler which are connected through a pipeline, wherein the heat conducting medium storage tank stores a liquid heat conducting medium required by the system circulation, the pipeline of the heat conducting medium storage tank, connected with the exhaust tank, is provided with a heat conducting medium supplementing valve, the exhaust tank discharges residual air or generated water vapor in the system into the heat conducting medium storage tank through the heat conducting medium supplementing valve and the pipeline, the circulating pump controls the liquid heat conducting medium to circulate between the system and equipment requiring temperature control, and the heater is internally provided with an electric heating rod for heating the heat conducting medium. Compared with the prior art, the system provided by the utility model has the advantages of high safety, energy conservation and consumption reduction, wide using range, simplicity in operation, convenience in maintenance and the like.
Description
Technical field
The utility model relates to a kind of assembly of making plastic sheets, especially relates to a kind of liquid thermal conductivity media temperature control system.
Background technology
At present, in plastic sheets production process, it is a very important technique that the roller temperature of molding plastic plate is controlled, original roller temperature control system exists the heat-conducting medium equipment of injected system by force, cause internal system pressure high, there is potential safety hazard, easily because internal system pressure is high, occur that high-temp liquid leaks the accident probability of hurting sb.'s feelings.Simultaneously due to by heat-conducting liquid medium by force the equipment of injected system need to consume electric energy, be unfavorable for energy-saving and emission-reduction.
Application number is the temperature control equipment that 200610124182.9 Chinese patent discloses heating system in hot-forming machine for plastic sheet, comprise terminal, programmable logic controller (PLC), at least one temperature survey input module, at least one temperature sensor and at least one solid-state relay group, the corresponding solid-state relay group of each temperature sensor, be the corresponding a plurality of solid-state relays of each temperature sensor, every road temperature measurement signal is inputted corresponding multi way temperature control signal output.The temperature survey input of Yong Yi of the present invention road, after programmable logic controller (PLC) is processed, can realize multichannel output simultaneously, and the temperature of each subregion of control heater, can carry out overall temperature control to heater; Neng Jiang mono-tunnel temperature survey input signal, after programmable logic controller (PLC) is processed, becomes the independent adjustable output of multichannel again, and each subregion temperature of heater is carried out to independent adjusting.But this device only carries out temperature control by logic controller, cannot the high problem that occurs that high-temp liquid leaks of resolution system internal pressure.
Utility model content
The purpose of this utility model be exactly in order to overcome the defect that above-mentioned prior art exists, provide a kind of safe, energy-saving and cost-reducing, the scope of application is wide, simple to operate, overhaul liquid thermal conductivity media temperature control system easily.
The purpose of this utility model can be achieved through the following technical solutions:
A liquid thermal conductivity media temperature control system, for connect the closed circuit of heat-conducting medium accumulator tank, exhaust tank, circulating pump, heater, cooler formation through pipeline,
The liquid thermal conductivity media that described heat-conducting medium accumulator tank stocking system circulation needs, is provided with heat-conducting medium replenishment valve on the pipeline of heat-conducting medium holding vessel connection exhaust tank,
Described exhaust tank enters heat-conducting medium accumulator tank by the steam of air residual in system or generation through heat-conducting medium replenishment valve and pipeline,
Described circulating pump is controlled liquid thermal conductivity media in system and need to be controlled between the equipment of temperature and circulates,
In described heater, be provided with the electrical bar of heating heat-conducting medium.
Described liquid thermal conductivity media is water or high temperature heat conductive oil.
Described heater is provided with the heat-conducting medium bleed valve of discharging heat-conducting medium.
Described heater is controlled through the temperature control instrument of electrical control cabinet.
Described cooler is controlled through the temperature control instrument of electrical control cabinet.
The cooling water that described cooler is provided with control cooling water inflow enters valve.
Compared with prior art, the utlity model has following advantage:
One, safe: native system does not have conventional liquid thermal conductivity media injection pump, and internal system pressure is controlled between 0.2～0.4MPa, well below original system pressure 0.7～0.9MPa, effectively reduced the possibility of system leak.
Two, energy-saving and cost-reducing: to apply this liquid thermal conductivity media temperature control system and removed the pump of filling liquid heat-conducting medium by force, directly reduced power consumption, effectively reduce production cost.
Three, the scope of application is wide: this fluid temperature media control system can be used for all technological temperatures and controls higher than the sheet roller temperature of room temperature.
Four, simple to operate: only need to set the liquid thermal conductivity media temperature that need to provide, then open circulating pump switch, system completes the control of liquid thermal conductivity media temperature automatically.In production process, can also change at any time desired temperature.
Five, maintenance is convenient: this liquid thermal conductivity media temperature control system adopts hierachical structure, and each parts dismounting does not affect miscellaneous part, and the maintenance of breaking down is convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model schematic flow sheet in use.
In figure, 1 is heat-conducting medium accumulator tank, and 2 is heater, and 3 is heat-conducting medium bleed valve, and 4 is thermometric instrument control valve, and 5 is cooling water intaking valve, and 6 is cooler, and 7 is heat-conducting medium replenishment valve, and 8 is circulating pump, and 9 is exhaust tank, and 10 for maintenance detects valve, and 11 is frame.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
A kind of liquid thermal conductivity media temperature control system, its structure as shown in Figure 1, whole system is arranged in transportable frame 11, mainly comprises the closed circuit that connects heat-conducting medium accumulator tank 1, exhaust tank 9, circulating pump 8, heater 2, cooler 6 formations through pipeline.
The liquid thermal conductivity media that heat-conducting medium accumulator tank 1 major storage systemic circulation needs, can be water or high temperature heat conductive oil, on the pipeline of heat-conducting medium holding vessel 1 connection exhaust tank 9, be provided with heat-conducting medium replenishment valve 7, exhaust tank 9 converges the gas in pipeline automatically, then through pipeline, utilize the density contrast of gas and liquid automatically gas to be entered to heat-conducting medium accumulator tank 1, liquid thermal conductivity media is by heat-conducting medium accumulator tank 1 process gas exhaust piping automatic log-on.On exhaust tank 9, be also connected with in addition maintenance and detect valve 10.Circulating pump 8 by liquid thermal conductivity media at native system with need to control between the equipment of temperature and circulate.The duty of circulating pump 8 is manually controlled by electrical control switch cashier's office in a shop.
Heater 2 starts during lower than the temperature of needs in the temperature of measuring, by the electrical bar heating liquid heat-conducting medium in heater 2; Electrical bar when temperature reaches setting value in heater 2 is controlled power-off by the temperature control instrument in electric cabinet and is stopped heating.On heater 2, be also provided with the heat-conducting medium bleed valve 3 of discharging heat-conducting medium, cooler 6 need to pass into the cold water that outside provides, and cooler 6 is provided with the cooling water of controlling cooling water inflow and enters valve 5 and make cold water pressure at 0.2～0.3MPa sustainable supply.Thermometric instrument control valve 4 is controlled and is opened or closed by temperature control instrument circuit.When the temperature of measuring is during higher than the temperature of default, thermometric instrument control valve 4 is opened, and cold water is by the liquid thermal conductivity media in cooler indirect cooling system; The temperature of measuring lower than set temperature time, thermometric instrument control valve 4 is closed.
Flow process when the utility model is used as shown in Figure 2, liquid thermal conductivity media adds heat-conducting medium accumulator tank 1 in advance, then open heat-conducting medium replenishment valve 7, liquid thermal conductivity media enters in system by the pipeline at heat-conducting medium replenishment valve 7 places, and the gas in simultaneity factor is converged to after this pipeline enters heat-conducting medium accumulator tank 1 and entered in air by exhaust tank 9.Observe liquid thermal conductivity media and open the startup knob of circulating pump 8 cannot automatic injection system time, allow liquid thermal conductivity media at native system and need circulate between temperature controlled equipment, again discharge native system and need to control residual air in the equipment of temperature.After gas drains, on the temperature control instrument of electrical control cabinet, set the temperature needing, the electrical bar in heater 6 is started working, and liquid thermal conductivity media is heated to the temperature needing.After the plastics contact roller of high temperature melting, liquid thermal conductivity media in roller is heated, heated liquid thermal conductivity media is detected temperature higher than setting value after entering native system, electrical control temperature control instrument is cashier's office in a shop controlled temperature control instrument control valve 4 and is opened, cold water enters cooler 6, cooling liquid heat-conducting medium, makes the liquid thermal conductivity media temperature of native system outlet identical with setting value indirectly.
Claims (6)
1. a liquid thermal conductivity media temperature control system, is characterized in that, this system is through pipeline, to connect the closed circuit of heat-conducting medium accumulator tank, exhaust tank, circulating pump, heater, cooler formation,
The liquid thermal conductivity media that described heat-conducting medium accumulator tank stocking system circulation needs, is provided with heat-conducting medium replenishment valve on the pipeline of heat-conducting medium holding vessel connection exhaust tank,
Described exhaust tank enters heat-conducting medium accumulator tank by the steam of air residual in system or generation through heat-conducting medium replenishment valve and pipeline,
Described circulating pump is controlled liquid thermal conductivity media in system and need to be controlled between the equipment of temperature and circulates,
In described heater, be provided with the electrical bar of heating heat-conducting medium.
2. a kind of liquid thermal conductivity media temperature control system according to claim 1, is characterized in that, described liquid thermal conductivity media is water or high temperature heat conductive oil.
3. a kind of liquid thermal conductivity media temperature control system according to claim 1, is characterized in that, described heater is provided with the heat-conducting medium bleed valve of discharging heat-conducting medium.
4. a kind of liquid thermal conductivity media temperature control system according to claim 1, is characterized in that, described heater is controlled through the temperature control instrument of electrical control cabinet.
5. a kind of liquid thermal conductivity media temperature control system according to claim 1, is characterized in that, described cooler is controlled through the temperature control instrument of electrical control cabinet.
6. a kind of liquid thermal conductivity media temperature control system according to claim 1, is characterized in that, the cooling water that described cooler is provided with control cooling water inflow enters valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184989.1U CN203876119U (en) | 2014-04-16 | 2014-04-16 | Temperature control system for liquid heat conducting medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184989.1U CN203876119U (en) | 2014-04-16 | 2014-04-16 | Temperature control system for liquid heat conducting medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203876119U true CN203876119U (en) | 2014-10-15 |
Family
ID=51676661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184989.1U Expired - Fee Related CN203876119U (en) | 2014-04-16 | 2014-04-16 | Temperature control system for liquid heat conducting medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203876119U (en) |
-
2014
- 2014-04-16 CN CN201420184989.1U patent/CN203876119U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20200416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |