CN217056569U - Valve heating and heat-preserving device - Google Patents
Valve heating and heat-preserving device Download PDFInfo
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- CN217056569U CN217056569U CN202123334380.7U CN202123334380U CN217056569U CN 217056569 U CN217056569 U CN 217056569U CN 202123334380 U CN202123334380 U CN 202123334380U CN 217056569 U CN217056569 U CN 217056569U
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Abstract
The utility model belongs to the technical field of the nuclear material, concretely relates to valve heating heat preservation device. The utility model comprises a wiring cover, an upper ring, an insulating piece, a straight-moving heating rod, an inner shell, an outer shell, a lower ring and a magnetic ring, wherein the inner shell is of an unclosed cylinder structure, one end of an opening is used for being sleeved on a 1-inch valve body of a three-cube container, the outer shell is sleeved outside the inner shell, and an installing surface is arranged at the opening of the inner shell; the shell is arranged on the upper ring and the lower ring; the upper ring and the lower ring are respectively provided with a positioning groove, and the inner shell is clamped in the positioning groove; the straight heating rod is embedded into the positioning hole of the upper ring after the insulating piece is installed; the magnetic ring is embedded in the positioning counter bore of the lower ring; the top of the upper ring is provided with a wiring cover. The utility model is suitable for a heating of three cubic container 1 inch valves keeps warm, can solve that the staff is exposed to the problem such as the long, electric company heating tape of time and the cotton replacement cost height of damaging of heat preservation, processing radioactive waste expense height.
Description
Technical Field
The utility model belongs to the technical field of the nuclear material, concretely relates to valve heating heat preservation device.
Background
The working principle of using the low-temperature air cooling box in the production system as a material receiving container is to adopt 3M 3 The container is placed in an air cooling box, and the material in a gas state at low temperature enters the container through a pipeline and a 1-inch valve. Because the temperature in the container is lower, the gaseous material is condensed into a solid state quickly after entering, thereby realizing the material collection. Collect the in-process, in order to prevent that gaseous state material from condensing in 1 inch valve department in advance and arousing the jam, need heat and keep warm 1 inch valve and valve root wall, guarantee that the material is in gaseous state before getting into in the container, reach the purpose of receiving the material smoothly. At present, the method for heating and insulating the wall of a 1-inch valve and a valve root is to wind an electric tracing belt on the 1-inch valve body and the wall of the valve root, fix the electric tracing belt by using an aluminum foil adhesive tape and wrap the electric tracing belt and the valve root by using insulating cotton. The current constant-power electric heating band consists of two parallel resistance wires and glass fiber wrapped outside. Because the electric heating band is repeatedly folded, repeatedly bent, wound and repeatedly used, the resistance wire is easily broken to cause damage; the unreasonable position of the temperature probe causes the continuous heating of the electric heating belt, which causes damage and charring of the heat insulation cotton; the condensed water seeps into the electric heating belt, which causes short circuit of the electric heating belt, damages, even breakdown of the connecting pipe and material leakage. The currently adopted heat insulation cotton has low strength, is easy to break, tear and age, and generates a large amount of radioactive waste every year. In the prior container dismounting, the manual heat preservation is carried out on a 1-inch valve of a three-cube container, and the time consumed by replacing damaged heat preservation cotton in the dismounting process accounts for more than half of the whole dismounting time. Currently for 1 inchThe heating and heat preservation modes of the walls of the valves and the valve roots are high in cost (the electric heating belt is 200 yuan/meter, the radioactive waste treatment cost is 31 ten thousand yuan/ton), the labor intensity of workers is high, the irradiation time is long, and the safety risk is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a valve heating heat preservation device is applicable to the heating heat preservation of three cubic container 1 inch valves, can solve that the staff receives that the exposure time is long, electric company heating tape and the cotton high, the high scheduling problem of radioactive waste expense of handling of replacement cost of damaging of heat preservation.
The utility model adopts the technical proposal that:
a valve heating and heat-insulating device comprises a wiring cover, an upper ring, an insulating piece, a straight-moving heating rod, an inner shell, an outer shell, a lower ring and a magnetic ring, wherein the inner shell is of an unsealed cylindrical structure, one end of an opening is used for being sleeved on a 1-inch valve body of a three-cube container, the outer shell is sleeved outside the inner shell, and an installation surface is arranged at the opening of the inner shell; the shell is arranged on the upper ring and the lower ring; the upper ring and the lower ring are respectively provided with a positioning groove, and the inner shell is clamped in the positioning groove; the straight heating rod is embedded into the positioning hole of the upper ring after the insulating piece is installed; the magnetic ring is embedded in the positioning counter bore of the lower ring; the top of the upper ring is provided with a wiring cover.
Super glass fiber is filled between the inner shell and the outer shell to form a cavity, and a power line of a straight heating rod in the cavity penetrates through the upper ring to penetrate out of the wiring cover in parallel to be connected with an external 220V direct current.
The wiring cover, the upper ring, the lower ring, the inner shell and the outer shell are fixed through the hexagonal screw rod and the countersunk head screw rod.
The device is directly adsorbed at the root of the 1-inch valve body and wraps the 1-inch valve body.
The wire connecting cover is made of 2 mm 1Cr18Ni9Ti stainless steel plates.
The upper ring and the lower ring are made of a stainless steel plate with the delta being 14 mm and 1Cr18Ni9 Ti.
The insulating part adopts polytetrafluoroethylene.
The inner shell adopts a phi 89X 21 Cr18Ni9Ti stainless steel tube.
The shell adopts a phi 152X 21 Cr18Ni9Ti stainless steel tube.
The magnetic ring adopts rubidium magnetism.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model provides a pair of valve heating heat preservation device, compact structure, easy dismounting, vulnerable part change is simple, long service life, and the maintenance cost is low.
(2) The utility model provides a pair of valve heating heat preservation device adopts the straight-moving formula heating rod to replace the electric tracing area, can solve the problem that the electric tracing area damages easily, twines the back and keeps warm complicacy.
(3) The utility model provides a pair of valve heating heat preservation device gives 1 inch valve heating heat preservation itself with inner chamber air heating heat transfer mode, can solve the heat preservation cotton self intensity that original heat preservation mode exists low, broken easily, tear, has the problem of artificial damage in the use.
(4) The utility model provides a pair of valve heating heat preservation device, the dismouting time is fallen to 6min by 34min, has reduced intensity of labour, has reduced dismouting personnel's exposure time.
(5) The utility model provides a pair of valve heating heat preservation device has avoided damaging the production of radioactive waste such as electric companion heating tape, heat preservation cotton, aluminium foil adhesive tape, can save part radioactive waste collection, keep in, transport, treatment cost annually.
Drawings
Fig. 1 is an explosion diagram of a valve heating and heat-preserving device structure provided by the utility model;
in the figure: 1-wiring cover, 2-upper ring, 3-insulating part, 4-straight heating rod, 5-inner shell, 6-outer shell, 7-lower ring, 8-magnetic ring, 9-hexagonal screw and 10-countersunk head screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the utility model provides a pair of valve heating heat preservation device, including wiring lid 1, go up ring 2, insulating part 3, craspedodrome heating rod 4, inner shell 5, shell 6, lower ring 7, magnetic ring 8, hexagonal screw 9, countersunk head screw 10. The wiring cover 1 is made of a stainless steel plate with the delta being 2 mm 1Cr18Ni9Ti, the upper ring 2 and the lower ring 7 are made of a stainless steel plate with the delta being 14 mm 1Cr18Ni9Ti, the insulating part 3 is made of polytetrafluoroethylene, the inner shell 5 is made of a stainless steel pipe with the phi 89 x 21 Cr18Ni9Ti, the outer shell 6 is made of a stainless steel pipe with the phi 152 x 21 Cr18Ni9Ti, the magnetic ring 8 is made of rubidium magnetism, and the hexagonal screw 9 and the countersunk head screw 10 are made of common stainless steel.
The inner shell 5 is an unclosed cylinder structure, one end of an opening is used for being sleeved on a 1-inch valve body of the three-cube container, the outer shell 6 is sleeved outside the inner shell 5, and an installing surface is arranged at the opening of the inner shell 5. The straight heating rod 4 is embedded into the positioning hole of the upper ring 2 after the insulating part 3 is installed; the magnetic ring 8 is embedded in the positioning counter bore of the lower ring 7; the upper ring 2 and the lower ring 7 are respectively provided with a positioning groove, and the inner shell 5 is clamped in the positioning grooves; the shell 6 is arranged on the upper ring 2 and the lower ring 7 and is fixed by a hexagonal screw 9; super glass fiber is filled between the inner shell 5 and the outer shell 6 to form a cavity, a power line of the straight heating rod 4 in the cavity penetrates through the upper ring 2, penetrates out of the wiring cover 1 in parallel and is connected with external 220V direct current, and the wiring cover 1, the upper ring 2, the lower ring 7, the inner shell 5 and the outer shell 6 are fixed through the hexagonal screw 9 and the countersunk head screw 10. After the heater is electrified, the straight heating rod generates heat, the heat is collected by the cavity, and the heat is radiated to the 1-inch valve body, so that the purposes of heating and heat preservation of the 1-inch valve are achieved.
This device realizes heating and control by temperature change automation through teletransmission DCS control. The temperature of a 1-inch valve channel is (80 +/-5) DEG C under the process requirement working state, the temperature is usually set to 80 ℃ in a DCS control system, in order to ensure the safety of the 1-inch valve body, the temperature rise process of the device adopts manual control, the power is increased by 15 percent one by one, and when the temperature of the 1-inch valve body reaches 80 ℃, the temperature is switched to automatic control, so that the temperature of the 1-inch valve body is kept at 80 ℃, and the process requirement is met.
The surface mount type temperature sensor is arranged on a three-cubic container 1-inch valve body, the special heating and heat preservation device for the three-cubic container 1-inch valve is directly adsorbed on the root of the 1-inch valve body, the 1-inch valve body is wrapped, a power supply is switched on, the temperature is raised in a test mode, and the temperature is automatically raised after the test is qualified. And the temperature rise state is displayed at the DCS control terminal through the patch type temperature sensor.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. A valve heating heat preservation device which characterized in that: the three-dimensional vacuum switch comprises a wiring cover (1), an upper ring (2), an insulating piece (3), a straight-moving heating rod (4), an inner shell (5), an outer shell (6), a lower ring (7) and a magnetic ring (8), wherein the inner shell (5) is of an unsealed cylindrical structure, one end of an opening is used for being sleeved on a 1-inch valve body of a three-cubic container, the outer shell (6) is sleeved outside the inner shell (5), and an installing surface is arranged at the opening of the inner shell (5); the shell (6) is arranged on the upper ring (2) and the lower ring (7); the upper ring (2) and the lower ring (7) are respectively provided with a positioning groove, and the inner shell (5) is clamped in the positioning grooves; the straight heating rod (4) is embedded into the positioning hole of the upper ring (2) after the insulating part (3) is installed; the magnetic ring (8) is embedded in the positioning counter bore of the lower ring (7); the top of the upper ring (2) is provided with a wiring cover (1).
2. The valve heating and heat preserving device of claim 1, wherein: super glass fiber is filled between the inner shell (5) and the outer shell (6) to form a cavity, and a power line of a straight heating rod (4) in the cavity penetrates through the upper ring (2) and penetrates out of the wiring cover (1) in parallel to be connected with an external 220V direct current.
3. The valve heating and heat preserving device of claim 1, wherein: the wiring cover (1), the upper ring (2), the lower ring (7), the inner shell (5) and the outer shell (6) are fixed through a hexagonal screw (9) and a countersunk head screw (10).
4. The valve heating and heat-insulating device according to claim 1, characterized in that: the device is directly adsorbed at the root of the 1-inch valve body and wraps the 1-inch valve body.
5. The valve heating and heat-insulating device according to claim 1, characterized in that: the wire connecting cover (1) is made of stainless steel plates with the delta being 2 mm 1Cr18Ni9 Ti.
6. The valve heating and heat-insulating device according to claim 1, characterized in that: the upper ring (2) and the lower ring (7) are made of a stainless steel plate with the delta being 14 mm and 1Cr18Ni9 Ti.
7. The valve heating and heat preserving device of claim 1, wherein: the insulating part (3) is made of polytetrafluoroethylene.
8. The valve heating and heat preserving device of claim 1, wherein: the inner shell (5) adopts a phi 89X 21 Cr18Ni9Ti stainless steel tube.
9. The valve heating and heat preserving device of claim 1, wherein: the shell (6) is made of a phi 152X 21 Cr18Ni9Ti stainless steel tube.
10. The valve heating and heat-insulating device according to claim 1, characterized in that: the magnetic ring (8) adopts rubidium magnetism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334380.7U CN217056569U (en) | 2021-12-28 | 2021-12-28 | Valve heating and heat-preserving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334380.7U CN217056569U (en) | 2021-12-28 | 2021-12-28 | Valve heating and heat-preserving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056569U true CN217056569U (en) | 2022-07-26 |
Family
ID=82478808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123334380.7U Active CN217056569U (en) | 2021-12-28 | 2021-12-28 | Valve heating and heat-preserving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056569U (en) |
-
2021
- 2021-12-28 CN CN202123334380.7U patent/CN217056569U/en active Active
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