CN112312602A - Recyclable indirect heating device under nuclear radiation working condition and installation method thereof - Google Patents
Recyclable indirect heating device under nuclear radiation working condition and installation method thereof Download PDFInfo
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- CN112312602A CN112312602A CN202011373992.4A CN202011373992A CN112312602A CN 112312602 A CN112312602 A CN 112312602A CN 202011373992 A CN202011373992 A CN 202011373992A CN 112312602 A CN112312602 A CN 112312602A
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- out rod
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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Abstract
The invention discloses an indirect heating device capable of being recycled under a nuclear radiation working condition and an installation method thereof. The invention solves the problems that the conventional common indirect electric heater cannot block radioactive nuclear radiation, is easy to penetrate, can damage the surrounding environment and organisms, is not stable enough in connection and is not easy to disassemble.
Description
Technical Field
The invention relates to the technical field of heating, in particular to an indirect heating device capable of being recycled under a nuclear radiation working condition and an installation method thereof.
Background
An electric heater is a popular electric heating device in the world. The device is used for heating, preserving heat and heating flowing liquid and gaseous media. When the heating medium passes through the heating cavity of the electric heater under the action of pressure, the fluid thermodynamic principle is adopted to uniformly take away huge heat generated in the working process of the electric heating element, so that the temperature of the heated medium meets the process requirements of users.
Under the nuclear radiation environment, the conventional common indirect electric heater cannot block radioactive nuclear radiation, can be easily penetrated, can damage the surrounding environment and organisms, is not enough in connection stability and not easy to detach, and simultaneously considers the recycling requirement of an owner on the heater. Therefore, the indirect heating device capable of being recycled under the nuclear radiation working condition and the installation method thereof are designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an indirect heating device capable of being recycled under the nuclear radiation working condition and an installation method thereof, and solves the problems that a conventional common indirect electric heater cannot block radioactive nuclear radiation rays, is easy to penetrate, can damage the surrounding environment and organisms, is not stable in connection and is not easy to disassemble.
In order to achieve the purpose, the invention adopts the technical scheme that:
an indirect heating device capable of being recycled under nuclear radiation working conditions comprises an electric heater, wherein first shielding blocks are symmetrically arranged on the left side and the right side of the upper end of the electric heater, a pressure container is arranged at the bottom of each first shielding block, the electric heater is located in an inner cavity of the pressure container, the electric heater comprises a second shielding block, hanging rings are symmetrically arranged on the left side and the right side of the top of the second shielding block, a junction box is arranged at the center of the top of the second shielding block, a leading-out rod is arranged in the inner cavity of the second shielding block, hanging pull rods are symmetrically arranged on the left side and the right side of the bottom of the second shielding block, heating element tube bundles are connected and installed on the outer wall of the lower end of each hanging pull rod and comprise a positioning plate and a fixing plate, a heat insulation layer is filled between the positioning plate and the fixing plate, and a plurality of, the heating tube is characterized in that a wiring copper bar is connected between the top of the heating tube and the bottom of the leading-out rod, fixed pull rods are further mounted on the left side and the right side of the inner cavity of the positioning plate and the inner cavity of the fixing plate, and supporting nets are mounted on the outer walls of the fixed pull rods and the heating tube.
The indirect heating device capable of being recycled under the nuclear radiation working condition comprises a second shielding block and a second shielding block, wherein the second shielding block comprises a shielding block A and a shielding block B, and the shielding block A and the shielding block B are fixedly connected through welding.
The indirect heating device of cyclic utilization under the nuclear radiation operating mode, draw forth the stick and draw forth stick A and insulating stick B of drawing forth including insulating, insulating draw forth the junction that stick A and insulating stick B draw forth and pass through insulating protective sheath parcel, the insulating outside of drawing forth stick A and insulating stick B all is provided with metal protection tube.
According to the indirect heating device capable of being recycled under the nuclear radiation working condition, the insulating leading-out rod A and the insulating leading-out rod B are arranged in an L shape, and the insulating leading-out rod A and the insulating leading-out rod B are connected through welding.
In the indirect heating device capable of being recycled under the nuclear radiation working condition, the lower end of the metal protection tube on the outer wall of the insulating leading-out rod B is fixedly connected with the shielding block A through full welding.
The indirect heating device of cyclic utilization under aforementioned nuclear radiation operating mode, the upper end outer wall of hanging tight pull rod has cup jointed the distance pipe, the lower extreme of hanging tight pull rod is provided with the tapping, hang tight pull rod lower extreme and install fixation nut, the tapping cooperatees with fixation nut and installs.
The indirect heating device capable of being recycled under the nuclear radiation working condition is characterized in that the joint of the hoisting pull rod and the bottom of the second shielding block is connected through welding.
The indirect heating device capable of being recycled under the nuclear radiation working condition is characterized in that the wiring copper bar and the heating tube are fastened and connected with the leading-out rod through nuts.
An indirect heating device capable of being recycled under the working condition of nuclear radiation and an installation method thereof comprise the following steps,
(1) the insulation leading-out rod A penetrates through the heater shielding block A and is welded and fixed on the lower end face, the insulation leading-out rod B is vertically placed in the mounting groove of the shielding block A, and the L-shaped insulation leading-out rod A is connected with the metal conducting rod of the L-shaped insulation leading-out rod B in a welding mode;
(2) after welding, sleeving an insulating protective sleeve on a welding position, and sleeving a metal protective pipe on the outer wall of the metal conducting rod;
(3) aligning a hole site of a heater shielding block B with an insulating leading-out rod B for installation and fixation, smoothly leading the leading-out rod to pass through the shielding block B, combining two planes of the shielding block A and the shielding block B after installation and combination, and welding, sealing and fixing at a joint of the joint surfaces of the shielding block A and the shielding block B;
(4) welding and fixing the manufactured hoisting pull rod and the second shielding block of the heater, and installing and fixing the manufactured heating element tube bundle through the hoisting pull rod, wherein the heating element tube bundle is provided with corresponding hoisting pull rod hole positions and is fixedly connected with the hoisting pull rod through threads;
(5) installing a wiring copper bar, installing the manufactured wiring copper bar between the leading-out rod and the heating element tube bundle, and connecting and fixing the wiring copper bar by threads, so that the wiring copper bar can be quickly disassembled and replaced;
(6) and covering the junction box on the top of the second shielding block, and sealing and fixing.
The invention has the beneficial effects that: when the device works, after the electric heater is electrified, the heating tube heats itself, air in the heat exchange layer is indirectly heated through the heating in the electric heater, so that heat exchange of nuclear radiation particles in an interlayer of the pressure container is completed, nuclear radiation medium circulates in the pressure container, the inner wall of the pressure container blocks the nuclear radiation particles from leaking, the nuclear radiation particles in the pressure container are blocked by the first shielding block and cannot penetrate through the first shielding block, the connection part of the shielding block A and the shielding block B is integrally welded and is turned to be flat, most of generated rays are blocked by the shielding block A and cannot penetrate through the first shielding block, only vertical radiation rays can penetrate through the shielding block A along the assembly gap between the insulation leading-out rod B and the shielding block A and reach the joint surface of the shielding block A and the shielding block B, the rays cannot be bent and only can be transmitted in a straight line, and the partial vertical rays are blocked by the shielding block B, the shielding block B cannot be penetrated, so that the effect of preventing radioactive nuclear radiation is achieved, meanwhile, due to the fact that the distance tube is fixed and limited by the fixing nut, the whole heating element is fixed and cannot move, and when the heating element is to be disassembled, the whole heating element tube bundle can be disassembled as long as the fixing nut at the tail end is screwed down.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an electric heater;
fig. 3 is a partially enlarged view of a in fig. 1.
In the figure: 1. the electric heater comprises an electric heater, 2, a first shielding block, 3, a pressure container, 4, a second shielding block, 401, shielding blocks A, 402, shielding blocks B, 5, a hanging ring, 6, a junction box, 7, a leading-out rod, 701, an insulating leading-out rod B, 702, insulating leading-out rods A, 703, an insulating protective sleeve, 704, a metal protective tube, 8, a hanging pull rod, 9, a positioning plate, 11, a fixing plate, 12, a heat insulation layer, 13, a heating tube, 14, a fixing pull rod, 15, a supporting net, 16 and a heating element tube bundle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-3: an indirect heating device capable of being recycled under the nuclear radiation working condition comprises an electric heater 1, first shielding blocks 2 are symmetrically arranged on the left side and the right side of the upper end of the electric heater 1, a pressure container 3 is arranged at the bottom of each first shielding block 2, the electric heater 1 is positioned in an inner cavity of the pressure container 3, the electric heater 1 comprises a second shielding block 4, the second shielding block 4 comprises a shielding block A401 and a shielding block B402, the shielding block A401 and the shielding block B402 are fixedly connected through welding, hanging rings 5 are symmetrically arranged on the left side and the right side of the top of the second shielding block 4, a junction box 6 is arranged at the center of the top of the second shielding block 4, a leading-out rod 7 is arranged in the inner cavity of the second shielding block 4, the leading-out rod 7 comprises an insulating leading-out rod A702 and an insulating leading-out rod B701, the joint of the insulating leading-out rod A702 and the insulating leading-out rod B701 is wrapped by an insulating protective sleeve 703, metal protective tubes 704, the insulating leading-out rod A702 and the insulating leading-out rod B701 are arranged in an L shape, the insulating leading-out rod A702 and the insulating leading-out rod B701 are connected through welding, the lower end of a metal protection tube 704 on the outer wall of the insulating leading-out rod B701 is fixedly connected with a shielding block A101 through full welding, the left side and the right side of the bottom of a second shielding block 4 are symmetrically provided with a hanging pull rod 8, the outer wall of the upper end of the hanging pull rod 8 is sleeved with a distance tube 801, the lower end of the hanging pull rod 8 is provided with a tapping thread, the lower end of the hanging pull rod 8 is provided with a fixing nut 802, the tapping thread is matched and arranged with the fixing nut 802, the joint of the hanging pull rod 8 and the bottom of the second shielding block 4 is connected through welding, the outer wall of the lower end of the hanging pull rod 8 is connected and provided with a heating element tube bundle 16, the heating element bundle 16 comprises a positioning plate 9 and a fixing plate 11, a heat, a wiring copper bar 10 is connected between the top of the heating tube 13 and the bottom of the leading-out rod 7, fixed pull rods 14 are further mounted on the left side and the right side of inner cavities of the positioning plate 9 and the fixing plate 11, supporting nets 15 are mounted on the outer walls of the fixed pull rods 14 and the heating tube 13, and the wiring copper bar 10 is fixedly connected with the heating tube 13 and the leading-out rod 7 through nuts;
an indirect heating device capable of being recycled under the working condition of nuclear radiation and an installation method thereof comprise the following steps,
1. an insulation leading-out rod A702 penetrates through a heater shielding block A101 and is welded and fixed on the lower end face, an insulation leading-out rod B701 is vertically placed in a mounting groove of the shielding block A101, and an L-shaped insulation leading-out rod A702 is connected with a metal conducting rod of the L-shaped insulation leading-out rod B701 in a welding mode;
2. after welding, an insulating protective sleeve 703 is sleeved on the welding position, and a metal protective tube 704 is sleeved on the outer wall of the metal conducting rod to play a role of insulating protection;
3. aligning the hole site of the heater shielding block B102 with an insulating leading-out rod B701 for installation and fixation, leading-out rod 7 to smoothly pass through the shielding block B102, combining two planes of the shielding block A101 and the shielding block B102 after installation and combination, and welding, sealing and fixing at the joint of the joint surfaces of the shielding block A101 and the shielding block B102;
4. welding and fixing the manufactured hoisting pull rod 8 and the second shielding block 4 of the heater, installing and fixing the manufactured heating element tube bundle 16 through the hoisting pull rod 8, wherein the corresponding hoisting pull rod 8 hole position is arranged on the heating element tube bundle 16, the heating element tube bundle 16 and the hoisting pull rod 8 are in threaded connection and fixed, and can be quickly disassembled and replaced to this point, and the manufacturing of the radiation-proof shielding conductive block of the heater is finished;
5. installing a wiring copper bar 10, and installing the manufactured wiring copper bar 10 between the leading-out rod 7 and the heating element tube bundle 16;
6. and a junction box 6 is covered on the top of the second shielding block 4, and the junction box is sealed, fixed and screwed, and can be quickly detached and replaced.
In summary, when the present invention is used, when the present invention is operated, after the electric heater 1 is powered on, the heating tube 13 itself generates heat, the air of the heat exchanging layer is indirectly heated by the heating inside the electric heater 1, thereby completing the heat exchange of the nuclear radiation particles in the interlayer of the pressure container 3, the nuclear radiation medium flows inside the pressure container 3, the inner wall of the pressure container 3 blocks the nuclear radiation particles from leaking out, the first shielding block 2 inside the pressure container 3 blocks the nuclear radiation rays, so that the nuclear radiation rays cannot penetrate through, the joint of the shielding block a101 and the shielding block B102 is welded into a whole, and the welding scab is turned flat, most of the generated radiation rays are blocked by the shielding block a101, and cannot penetrate, only the radiation rays in the vertical direction can penetrate through the shielding block a101 along the assembly gap between the insulating leading-out rod B701 and the shielding block a101, and reach the joint surface of the shielding block a101 and the shielding block B102, and the radiation rays cannot be bent, the radiation-proof heating tube can only be transmitted in a straight line, the vertical rays of the part are blocked by the shielding block B102 and cannot penetrate through the shielding block B102, so that the effect of blocking radioactive nuclear radiation rays is achieved, meanwhile, the whole heating element is fixed and cannot move due to the fact that the distance tube 801 is fixed and limited by the fixing nut 802, and when the radiation-proof heating tube needs to be disassembled, the whole heating element tube bundle 16 can be disassembled as long as the fixing nut 801 at the tail end is screwed off, so that the problems that a conventional common indirect electric heater cannot block the radioactive nuclear radiation rays, is easy to penetrate, can cause damage to the surrounding environment and organisms, is not enough in connection stability and is not easy to disassemble are solved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a but indirect heating device of cyclic utilization under nuclear radiation operating mode, includes electric heater (1), its characterized in that: first shielding piece (2) is installed to the upper end left and right sides symmetry of electric heater (1), pressure vessel (3) are installed to the bottom of first shielding piece (2), and electric heater (1) is located the inner chamber of pressure vessel (3), electric heater (1) includes second shielding piece (4), rings (5) are installed to the top left and right sides symmetry of second shielding piece (4), terminal box (6) are installed to the top center department of second shielding piece (4), stick (7) are drawn forth to the inner chamber of second shielding piece (4) is installed, hang tight pull rod (8) is installed to the bottom left and right sides symmetry of second shielding piece (4), hang tight pull rod (8) lower extreme outer wall connection and install heating element tube bank (16), heating element tube bank (16) include locating plate (9) and fixed plate (11), it has insulating layer (12) to fill between locating plate (9) and fixed plate (11), the inner chamber of locating plate (9) and fixed plate (11) is pegged graft and is had a plurality of heating tubes (13), be connected with wiring copper bar (10) between the top of heating tube (13) and the bottom of drawing forth stick (7), fixed pull rod (14) are still installed to the inner chamber left and right sides of locating plate (9) and fixed plate (11), supporting mesh (15) are all installed to the outer wall of fixed pull rod (14) and heating tube (13).
2. The indirect heating device capable of being recycled under the nuclear radiation working condition of claim 1, wherein: the second shielding block (4) comprises a shielding block A (401) and a shielding block B (402), and the shielding block A (401) and the shielding block B (402) are fixedly connected through welding.
3. The indirect heating device capable of being recycled under the nuclear radiation working condition of claim 2, wherein: the leading-out rod (7) comprises an insulating leading-out rod A (702) and an insulating leading-out rod B (701), the joint of the insulating leading-out rod A (702) and the insulating leading-out rod B (701) is wrapped by an insulating protective sleeve (703), and metal protective tubes (704) are arranged outside the insulating leading-out rod A (702) and the insulating leading-out rod B (701).
4. The indirect heating device of claim 3, wherein the indirect heating device is recyclable under nuclear radiation conditions, and comprises: and the insulation leading-out rod A (702) and the insulation leading-out rod B (701) are arranged in an L shape, and the insulation leading-out rod A (702) and the insulation leading-out rod B (701) are connected through welding.
5. The indirect heating device of claim 3, wherein the indirect heating device is recyclable under nuclear radiation conditions, and comprises: the lower end of the metal protection tube (704) on the outer wall of the insulating leading-out rod B (701) is fixedly connected with the shielding block A (401) through full welding.
6. The indirect heating device capable of being recycled under the nuclear radiation working condition of claim 1, wherein: distance tube (801) is sleeved on the outer wall of the upper end of the hoisting pull rod (8), tapping threads are arranged at the lower end of the hoisting pull rod (8), fixing nuts (802) are installed at the lower end of the hoisting pull rod (8), and the tapping threads are installed in a matched mode with the fixing nuts (802).
7. The indirect heating device capable of being recycled under the nuclear radiation working condition of claim 1, wherein: the connecting part of the hoisting pull rod (8) and the bottom of the second shielding block (4) is connected through welding.
8. The indirect heating device capable of being recycled under the nuclear radiation working condition of claim 1, wherein: and the wiring copper bar (10) is tightly connected with the heating tube (13) and the leading-out rod (7) through nuts.
9. The method for installing an indirect heating device capable of being recycled under the nuclear radiation working condition of any one of claims 1 to 8, wherein the method comprises the following steps: comprises the following steps of (a) carrying out,
(1) an insulation leading-out rod A (702) penetrates through a heater shielding block A (401) and is welded and fixed on the lower end face, an insulation leading-out rod B (701) is vertically placed in an installation groove of the shielding block A (401), and an L-shaped insulation leading-out rod A (702) is connected with a metal conducting rod of the L-shaped insulation leading-out rod B (701) in a welding mode;
(2) after welding, sleeving an insulating protective sleeve (703) on a welding position, and sleeving a metal protective tube (704) on the outer wall of the metal conducting rod;
(3) aligning the hole site of the heater shielding block B (402) with an insulating leading-out rod B (701) for installation and fixation, smoothly penetrating the leading-out rod (7) through the shielding block B (402), combining two planes of the shielding block A (401) and the shielding block B (402) after installation and combination, and performing welding, sealing and fixation at the joint of the joint surfaces of the shielding block A (401) and the shielding block B (402);
(4) welding and fixing the manufactured hoisting pull rod (8) and the second shielding block (4) of the heater, installing and fixing the manufactured heating element tube bundle (16) through the hoisting pull rod (8), wherein the heating element tube bundle (16) is provided with corresponding hole positions of the hoisting pull rod (8), and the heating element tube bundle (16) is fixedly connected with the hoisting pull rod (8) through threads;
(5) installing a wiring copper bar (10), and installing the manufactured wiring copper bar (10) between the leading-out rod (7) and the heating element tube bundle (16);
(6) and covering a junction box (6) on the top of the second shielding block (4), and sealing and fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373992.4A CN112312602A (en) | 2020-11-30 | 2020-11-30 | Recyclable indirect heating device under nuclear radiation working condition and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373992.4A CN112312602A (en) | 2020-11-30 | 2020-11-30 | Recyclable indirect heating device under nuclear radiation working condition and installation method thereof |
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| CN112312602A true CN112312602A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011373992.4A Pending CN112312602A (en) | 2020-11-30 | 2020-11-30 | Recyclable indirect heating device under nuclear radiation working condition and installation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310211A (en) * | 2021-05-08 | 2021-08-27 | 中国核电工程有限公司 | Pit type gas heater and radioactive factory building system |
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2020
- 2020-11-30 CN CN202011373992.4A patent/CN112312602A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310211A (en) * | 2021-05-08 | 2021-08-27 | 中国核电工程有限公司 | Pit type gas heater and radioactive factory building system |
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