CN205403158U - Heat conduction oil -swellable device - Google Patents
Heat conduction oil -swellable device Download PDFInfo
- Publication number
- CN205403158U CN205403158U CN201620154114.6U CN201620154114U CN205403158U CN 205403158 U CN205403158 U CN 205403158U CN 201620154114 U CN201620154114 U CN 201620154114U CN 205403158 U CN205403158 U CN 205403158U
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- China
- Prior art keywords
- liquid seal
- expansion slot
- conduction oil
- pipe
- expansion
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Abstract
The utility model relates to a heat conduction oil -swellable device, including the inflation groove, the upper portion lateral wall in inflation groove is connected with inflation groove overflow mouth, inflation groove overflow mouth links to each other with the overflow pipe, the bottom in inflation groove is connected with the expansion pipe, the top in inflation groove is connected with the oiling mouth and the groove blow -down pipe that expands, install inflation groove atmospheric valve on the blow -down pipe of inflation groove, the one side in inflation groove is equipped with confined liquid seal jar, the bottom in inflation groove communicates with each other through the bottom of liquid phase communicating pipe and liquid seal jar, the top of liquid seal jar be connected with with the communicating liquid seal jar blow -down pipe of atmosphere, the upper portion of liquid seal jar is equipped with liquid seal jar overflow mouth, liquid seal jar overflow mouth links to each other with the overflow pipe. Be equipped with cooling coil in the liquid seal jar, the top in inflation groove is connected with the continuous siphunculus of inert gas protection tube gentleness, and the other end of gaseous phase communicating pipe inserts the inner chamber lower part of liquid seal jar. This heat conduction oil -swellable device can avoid high temperature conduction oil ingress of air, extension conduction oil life.
Description
Technical field
This utility model relates to a kind of conduction oil expansion gear, belongs to technical field of chemical.
Background technology
In the industrial production, heat-conducting oil heating system due to the steam under high temperature force down, safety is good etc., and factor is increasingly widely applied, especially at the Pet Production Line of chemical fiber factory, its principle is utilize conduction oil as the medium of transmission heat, first passing through heat-conducting oil furnace low-temperature oil is heated, high temperature heat conductive oil is transported to heating equipment by recycling pipeline, and the conduction oil temperature after heat release declines, send it back to heat-conducting oil furnace heating along pipeline again, form the heating system of closed circuit and continuous circulation.
Conduction oil temperature in heating process often raises 100 DEG C, and volume will have the expansion of about 7%, and produce a small amount of oil vapour, it is necessary to this is discharged, guarantee conduction oil normal circulation in systems.New conduction oil is before putting into operation, it is necessary to through intensification degasification process, and to remove moisture remaining in conduction oil or volatile material, above procedure realizes by arranging expansion slot at the highest point of heat-conducting oil system.
The upper portion side wall of expansion slot is connected to expansion slot overfall, and expansion slot overfall is connected with overflow pipe, and the bottom of expansion slot is connected to expansion tube, and the top of expansion slot is connected to pouring orifice and expansion slot blow-down pipe, and expansion slot blow-down pipe is provided with expansion slot atmospheric valve.When owing to temperature raises, volume increases conduction oil, it is upwardly in expansion slot by expansion tube；When volume-diminished after heat-conducting oil system is lowered the temperature, the conduction oil in expansion slot can be supplemented to system by expansion tube.Time degassed, residual moisture or gaseous substance in heat-conducting oil system can also enter expansion slot by expansion tube, discharged to air by expansion slot blow-down pipe.
When conduction oil is expanded into expansion slot owing to heating up, the oil temperature in expansion slot can raise, and high temperature heat conductive oil touches air and can aoxidize, thus reducing the service life of conduction oil, and accelerates the consumption of conduction oil.When conduction oil temperature≤70 DEG C, oxidation rate is relatively low, and when conduction oil temperature >=100 DEG C, oxidation rate linearly rises.For stoping air contact conduction oil, often connect inert gas shielding pipe at the top of expansion slot, input nitrogen to the inner cavity top of expansion slot.Owing to heat-conducting oil system is that normal pressure runs,
The atmospheric valve at expansion slot top is in open mode, for stoping air to enter in expansion slot, it is necessary to by nitrogen continuously to input in expansion slot, result in a large amount of consumption of nitrogen, adds operating cost.
Utility model content
The purpose of this utility model is in that, overcomes problems of the prior art, it is provided that a kind of conduction oil expansion gear, it is possible to avoid high temperature heat conductive oil ingress of air, prolonging service life of heat transfer oil.
For solving above technical problem, a kind of conduction oil expansion gear of the present utility model, including expansion slot, the upper portion side wall of described expansion slot is connected to expansion slot overfall, described expansion slot overfall is connected with overflow pipe, the bottom of described expansion slot is connected to expansion tube, the top of described expansion slot is connected to pouring orifice and expansion slot blow-down pipe, described expansion slot blow-down pipe is provided with expansion slot atmospheric valve, the side of expansion slot is provided with the liquid seal can of closing, the bottom of described expansion slot is communicated by the bottom of liquid phase communicating pipe with described liquid seal can, the top of described liquid seal can is connected to the liquid seal can blow-down pipe with atmosphere, the top of described liquid seal can is provided with liquid seal can overfall, described liquid seal can overfall is connected with described overflow pipe.
Relative to prior art, this utility model achieves following beneficial effect: when conduction oil heats up degassed, opened by expansion slot atmospheric valve, and moisture remaining in conduction oil or volatile material are discharged from expansion slot blow-down pipe.During the conduction oil degassed end normal operation input of intensification, expansion slot atmospheric valve cuts out, when owing to temperature raises, volume increases conduction oil, in expansion tube, the high temperature oil in original cold oil and heat-conducting oil system can be passed through expansion tube and upwards overflow in expansion slot, and the cold oil stored with expansion slot Central Plains mixes mutually.Owing to high temperature oil is less than the density of low-temperature oil, more high the closer to top oil in expansion slot, more low the closer to bottom oil temperature；Now expansion slot atmospheric valve is closed, and the high temperature heat conductive oil near top does not reach the air in the external world, will not aoxidize.Low temperature conduction oil near bottom enters liquid seal can by liquid phase communicating pipe, liquid seal can blow-down pipe is in normally open makes heat-conducting oil system keep normal pressure to run, owing to the oil temperature in liquid seal can is significantly lower than expansion slot, it is to avoid high temperature oil and contacting external air, extend service life of heat transfer oil.
As improvement of the present utility model, being provided with cooling coil in described liquid seal can, the two ends of described cooling coil are stretched out outside liquid seal can, and cooling coil lower end is provided with cooling water inlet, and cooling coil upper end is provided with coolant outlet.Carry out forcing cooling to the conduction oil in liquid seal can by cooling coil, it is possible to reduce the conduction oil temperature with air contact, prolonging service life of heat transfer oil more further.
As improvement of the present utility model, the top of described expansion slot is connected to the gentle connected siphunculus of inert gas shielding pipe, and the other end of described gas phase communicating pipe inserts the inner chamber bottom of described liquid seal can.Passing into noble gas such as nitrogen to expansion slot top and can more reliably stop high temperature heat conductive oil and air contact, and this device is when properly functioning, expansion slot atmospheric valve is closed, it is possible to avoid the consumption of nitrogen, saves operating cost.Expansion slot and the pressure balance in liquid seal can be kept gas phase communicating pipe.
As improvement of the present utility model, described liquid phase communicating pipe is provided with communicating valve and check valve.
As improvement of the present utility model, the bottom of described expansion slot is provided with expansion slot discharging hole, and described expansion slot discharging hole place is provided with expansion slot dirt discharging valve, and the outlet of described expansion slot dirt discharging valve is connected with described overflow pipe.
As improvement of the present utility model, the bottom of described liquid seal can is provided with liquid seal can discharging hole, and described liquid seal can discharging hole place is provided with liquid seal can dirt discharging valve, and the outlet of described liquid seal can dirt discharging valve is connected with described overflow pipe.
As improvement of the present utility model, the side of described expansion slot is connected to liquidometer, and the bottom of described expansion slot is provided with thermometer, and the top of described expansion slot is connected to Pressure gauge.
As improvement of the present utility model, the bottom of liquid seal can is contour with the bottom of described expansion slot, and the top of described liquid seal can is contour with the top of described expansion slot, and described liquid seal can overfall is contour with described expansion slot overfall.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model being described in further detail, accompanying drawing only provides reference and use is described, is not used to restriction this utility model.
Fig. 1 is the structural representation of this utility model conduction oil expansion gear.
In figure: 1. expansion slot；1a. expansion slot overfall；2. liquid seal can；2a. liquid seal can overfall；2b. cooling coil；2b1. cooling water inlet；2b2. coolant outlet；G1. expansion tube；G2. overflow pipe；G3. inert gas shielding pipe；G4. liquid phase communicating pipe；G5. liquid seal can blow-down pipe；G6. gas phase communicating pipe；V1. expansion slot atmospheric valve；V2. communicating valve；V3. check valve；V4. expansion slot dirt discharging valve；V5. liquid seal can dirt discharging valve；LT. liquidometer；TT. thermometer；PT. Pressure gauge.
Detailed description of the invention
As shown in Figure 1, this utility model conduction oil expansion gear includes expansion slot 1, the upper portion side wall of expansion slot 1 is connected to expansion slot overfall 1a, expansion slot overfall 1a is connected with overflow pipe G2, and the bottom of expansion slot 1 is connected to expansion tube G1, and the top of expansion slot 1 is connected to pouring orifice and expansion slot blow-down pipe, expansion slot blow-down pipe is provided with expansion slot atmospheric valve V1, the side of expansion slot 1 is connected to liquidometer LT, and the bottom of expansion slot 1 is provided with thermometer TT, and the top of expansion slot 1 is connected to Pressure gauge PT.The side of expansion slot 1 is provided with the liquid seal can 2 of closing, and the bottom of expansion slot 1 was communicated with the bottom of liquid seal can 2 by liquid phase communicating pipe G4, and liquid phase communicating pipe G4 can install communicating valve V2 and check valve V3.The top of liquid seal can 2 is connected to the liquid seal can blow-down pipe G5 with atmosphere, and the top of liquid seal can 2 is provided with liquid seal can overfall 2a, and liquid seal can overfall 2a is connected with overflow pipe G2.
When conduction oil heats up degassed, being opened by expansion slot atmospheric valve V1, moisture remaining in conduction oil or volatile material are discharged from expansion slot blow-down pipe.During the conduction oil degassed end normal operation input of intensification, expansion slot atmospheric valve V1 is closed, when owing to temperature raises, volume increases conduction oil, in expansion tube G1, the high temperature oil in original cold oil and heat-conducting oil system can be passed through expansion tube G1 and upwards overflow in expansion slot 1, and the cold oil stored with expansion slot 1 Central Plains mixes mutually.Owing to high temperature oil is less than the density of low-temperature oil, more high the closer to top oil in expansion slot 1, more low the closer to bottom oil temperature；Now expansion slot atmospheric valve V1 is closed, and the high temperature heat conductive oil near top does not reach the air in the external world, will not aoxidize.Low temperature conduction oil near bottom enters liquid seal can 2 by liquid phase communicating pipe G4, liquid seal can blow-down pipe G5 is in normally open makes heat-conducting oil system keep normal pressure to run, owing to the oil temperature in liquid seal can 2 is significantly lower than expansion slot 1, avoid high temperature oil and contacting external air, extend service life of heat transfer oil.
Being provided with cooling coil 2b in liquid seal can 2, the two ends of cooling coil 2b are stretched out outside liquid seal can 2, and cooling coil 2b lower end is provided with cooling water inlet 2b1, cooling coil 2b upper end and is provided with coolant outlet 2b2.Carry out forcing cooling to the conduction oil in liquid seal can 2 by cooling coil 2b, it is possible to reduce the conduction oil temperature with air contact, prolonging service life of heat transfer oil more further.
The top of expansion slot 1 is connected to the gentle connected siphunculus G6 of inert gas shielding pipe G3, and the other end of gas phase communicating pipe G6 inserts the inner chamber bottom of liquid seal can 2.Passing into noble gas such as nitrogen to expansion slot 1 top and can more reliably stop high temperature heat conductive oil and air contact, and this device is when properly functioning, expansion slot atmospheric valve V1 is closed, it is possible to avoid the consumption of nitrogen, saves operating cost.Expansion slot 1 and the pressure balance in liquid seal can 2 can be kept gas phase communicating pipe G6.
The bottom of expansion slot 1 is provided with expansion slot discharging hole, and expansion slot discharging hole place is provided with expansion slot dirt discharging valve V4, and the outlet of expansion slot dirt discharging valve V4 is connected with overflow pipe G2.
The bottom of liquid seal can 2 is provided with liquid seal can discharging hole, and liquid seal can discharging hole place is provided with liquid seal can dirt discharging valve V5, and the outlet of liquid seal can dirt discharging valve V5 is connected with overflow pipe G2.
The bottom of liquid seal can 2 is contour with the bottom of expansion slot 1, and the top of liquid seal can 2 is contour with the top of expansion slot 1, and liquid seal can overfall 2a and expansion slot overfall 1a is contour.
The foregoing is only the preferably possible embodiments of this utility model, non-therefore limit to scope of patent protection of the present utility model.In addition to the implementation, this utility model can also have other embodiments.All employings are equal to replacement or the technical scheme of equivalent transformation formation, all fall within the protection domain of this utility model requirement.This utility model can pass through without the technical characteristic described or adopt existing techniques in realizing, does not repeat them here.
Claims (8)
1. a conduction oil expansion gear, including expansion slot, the upper portion side wall of described expansion slot is connected to expansion slot overfall, described expansion slot overfall is connected with overflow pipe, the bottom of described expansion slot is connected to expansion tube, the top of described expansion slot is connected to pouring orifice and expansion slot blow-down pipe, described expansion slot blow-down pipe is provided with expansion slot atmospheric valve, it is characterized in that: the side of expansion slot is provided with the liquid seal can of closing, the bottom of described expansion slot is communicated by the bottom of liquid phase communicating pipe with described liquid seal can, the top of described liquid seal can is connected to the liquid seal can blow-down pipe with atmosphere, the top of described liquid seal can is provided with liquid seal can overfall, described liquid seal can overfall is connected with described overflow pipe.
2. conduction oil expansion gear according to claim 1, it is characterised in that: being provided with cooling coil in described liquid seal can, the two ends of described cooling coil are stretched out outside liquid seal can, and cooling coil lower end is provided with cooling water inlet, and cooling coil upper end is provided with coolant outlet.
3. conduction oil expansion gear according to claim 1, it is characterised in that: the top of described expansion slot is connected to the gentle connected siphunculus of inert gas shielding pipe, and the other end of described gas phase communicating pipe inserts the inner chamber bottom of described liquid seal can.
4. conduction oil expansion gear according to claim 1, it is characterised in that: described liquid phase communicating pipe is provided with communicating valve and check valve.
5. conduction oil expansion gear according to claim 1, it is characterised in that: the bottom of described expansion slot is provided with expansion slot discharging hole, and described expansion slot discharging hole place is provided with expansion slot dirt discharging valve, and the outlet of described expansion slot dirt discharging valve is connected with described overflow pipe.
6. conduction oil expansion gear according to claim 1, it is characterised in that: the bottom of described liquid seal can is provided with liquid seal can discharging hole, and described liquid seal can discharging hole place is provided with liquid seal can dirt discharging valve, and the outlet of described liquid seal can dirt discharging valve is connected with described overflow pipe.
7. conduction oil expansion gear according to any one of claim 1 to 6, it is characterised in that: the side of described expansion slot is connected to liquidometer, and the bottom of described expansion slot is provided with thermometer, and the top of described expansion slot is connected to Pressure gauge.
8. conduction oil expansion gear according to any one of claim 1 to 6, it is characterized in that: the bottom of liquid seal can is contour with the bottom of described expansion slot, the top of described liquid seal can is contour with the top of described expansion slot, and described liquid seal can overfall is contour with described expansion slot overfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154114.6U CN205403158U (en) | 2016-03-01 | 2016-03-01 | Heat conduction oil -swellable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154114.6U CN205403158U (en) | 2016-03-01 | 2016-03-01 | Heat conduction oil -swellable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205403158U true CN205403158U (en) | 2016-07-27 |
Family
ID=56947634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620154114.6U Active CN205403158U (en) | 2016-03-01 | 2016-03-01 | Heat conduction oil -swellable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205403158U (en) |
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2016
- 2016-03-01 CN CN201620154114.6U patent/CN205403158U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |