CN205961484U - Direct resistance -type electric heater - Google Patents
Direct resistance -type electric heater Download PDFInfo
- Publication number
- CN205961484U CN205961484U CN201620424130.2U CN201620424130U CN205961484U CN 205961484 U CN205961484 U CN 205961484U CN 201620424130 U CN201620424130 U CN 201620424130U CN 205961484 U CN205961484 U CN 205961484U
- Authority
- CN
- China
- Prior art keywords
- contact rod
- clamp nut
- heater
- electric resistor
- direct electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses a direct resistance -type electric heater. It includes tubular casing, and the many heating element that have arranged in the tubular casing have the insulation support subassembly that the polylith interval set up in the tubular casing, and it is fixed that each heating element passes through insulation support subassembly insulation support, and heating element's the end of drawing forth is connected with the conducting rod, and the welding has a metal protection pipe on the tubular casing, and the conducting rod passes outside the metal protection pipe stretches out tubular casing, and the terminal box is installed to the upper end of metal protection pipe, and the conducting rod stretches into and forms the wiring end in the terminal box. After adopting foretell structure, not only structural design is compact, and occupation space is little, and the heat is concentrated moreover for heating efficiency obtains very big improvement, in addition, seal structure between the conducting rod of setting and conducting rod and the metal protection shell, the concrete structure of having guaranteed its fail safe nature, especially insulation support subassembly makes the fluid trafficability characteristic can be very good, thereby has further improved heating efficiency.
Description
Technical field
This utility model is related to a kind of electric heater, specifically a kind of direct electric resistor heater.
Background technology
At present, the Process heat of industrial circle is generally heated using traditional circulating heater, its heater element
For electric heating tube.Heating tube typically adopt metal tube as housing, alloy resistance wire as heating conductor, in housing and resistance wire
Between fill insulating heat-conduction material magnesia powder.During work, heat is delivered to shell surface from resistance wire and there are multiple heat conduction rings
Save it may appear that heat conduction loss is big, the low situation of the thermal efficiency.Particularly in some high-power heating occasions, for reliable design
Property consider, heating tube surface loading will not be high, and for meeting Process heat demand, heating tube quantity certainly will increase, and heat loss is bigger.
Meanwhile, this to will also result in electric heater whole volume bigger than normal, lead to product cost to be substantially improved, market competition advantage is substantially not
Foot.
Content of the invention
The technical problems to be solved in the utility model is to provide a kind of simple and compact for structure, efficiency of heating surface height, space hold
The direct electric resistor heater that little, integrated cost is low, security reliability is high.
In order to solve above-mentioned technical problem, direct electric resistor heater of the present utility model, add including being connected to
Tubular shell on hot channel, many heater elements of arrangement in tubular shell, there is polylith spaced absolutely in tubular shell
Edge support component, each heater element passes through insulating supporting component insulation and supports fixation, and the exit of heater element is connected with leads
Torch, tubular shell is welded with protection metal pipe, and contact rod reaches outside tubular shell through protection metal pipe, metal coating
The upper end of pipe is provided with rosette, and contact rod extend in rosette and forms terminals.
It is provided with ceramic insulating tube, the upper end of described protection metal pipe is welded between described contact rod and protection metal pipe
In rosette, there is externally threaded contiguous block, described contiguous block is rotary with clamp nut, described contact rod and fastening spiral shell
Between mother, there is gap.
The compact heap being enclosed within contact rod is welded with described contact rod, described compact heap is located in clamp nut, described
It is mounted with sealing gasket between compact heap and the inner face of clamp nut, arrange between described compact heap and the upper surface of contiguous block
There is lower seal pad.
The upper end of described contact rod is provided with threaded section, described threaded section is rotary with clamp nut, described pressure
It is provided with insulated enclosure circle between jack panel and clamp nut.
Described upper sealing gasket has the insulation sleeve that one section of bore section to clamp nut top extends, and this insulation sleeve stretches into
To between clamp nut and contact rod；Described lower seal pad has one section of insulation sleeve extending to below clamp nut, this insulation
Set extend between contiguous block and contact rod.
Described insulating supporting assembly includes gripper shoe and is arranged on heater element and is located at the insulation of gripper shoe both sides
Porcelain ring, described gripper shoe has the through hole that heater element can be made to pass through, sets between described gripper shoe and insulating ceramics circle
It is equipped with fixing card.
Described insulating ceramics circle has annular groove, and described fixing card is the U-shaped card being stuck in annular groove, and described U-shaped card is arranged
There is leg, the leg of U-shaped card fixedly mounts on the supporting plate.
Described heater element is many U-shaped resistance wires being arranged in tubular shell.
After above-mentioned structure, many due to directly arranging in tubular shell are propped up by insulating supporting component insulation
Support heater element, not only structure design is compact, takes up room little, and heat concentrate so that the efficiency of heating surface obtain very big
Improve, in addition, the contact rod and contact rod and the metal coating shell that are reached by protection metal pipe outside tubular shell of setting
Between sealing structure it is ensured that its security reliability, the concrete structure of particularly insulating supporting assembly makes the fluid property passed through
Can be very good, thus further increasing the efficiency of heating surface.
Brief description
Fig. 1 is the structural representation of the direct electric resistor heater of this utility model；
Fig. 2 is cross section structure schematic diagram at the A-A of Fig. 1；
Fig. 3 is the structural representation at exit in this utility model；
Fig. 4 is the main structure diagram of insulating supporting assembly in this utility model；
Fig. 5 is the side structure schematic view of insulating supporting assembly in this utility model.
Specific embodiment
With reference to the accompanying drawings and detailed description, detailed further to direct electric resistor heater work of the present utility model
Describe in detail bright.
As illustrated, direct electric resistor heater of the present utility model, including the pipe being connected on heating pipe
Shape housing 1, many heater elements 2 of arrangement in tubular shell 1, described heater element 2 is many U being arranged in tubular shell
Shape resistance wire, as seen from the figure, has polylith spaced insulating supporting assembly 3, each heater element 2 leads in tubular shell 1
Cross insulating supporting component insulation and support fixation, the exit of heater element 2 is connected with contact rod 4, tubular shell 1 is welded with
Protection metal pipe 5, contact rod 4 reaches outside tubular shell through protection metal pipe 5, and the upper end of protection metal pipe 5 is provided with and connects
Line box 6, contact rod 4 extend in rosette 6 and forms terminals.
Wherein, be provided with ceramic insulating tube 7 between described contact rod 4 and protection metal pipe 5, protection metal pipe 5 upper
End is welded with has externally threaded contiguous block 8 in rosette, and contiguous block 8 is rotary with clamp nut 9, contact rod 4 with tight
Gu having gap between nut 9, thus making, between contact rod 4 and clamp nut 9, there are good insulating properties, specifically leading
The compact heap 10 being enclosed within contact rod is welded with torch 4, compact heap 10 is located in clamp nut, compact heap 10 and clamp nut
It is mounted with sealing gasket 11 between 9 inner face, between the upper surface of compact heap 10 and contiguous block 8, be provided with lower seal pad 12,
The upper end of contact rod 4 is provided with threaded section, and described threaded section be rotary with clamp nut 13, described clamp nut 13 with
It is provided with insulated enclosure circle 14 between clamp nut 9.
Further, described upper sealing gasket 11 has the insulation that one section of bore section to clamp nut top extends
Set, this insulation sleeve extend between clamp nut 9 and contact rod 4；Described lower seal pad 12 has one section to below clamp nut
The insulation sleeve extending, this insulation sleeve extend between contiguous block 8 and contact rod 4.
Yet further, described insulating supporting assembly 3 includes gripper shoe 15 and is arranged on heater element and is located at
The insulating ceramics circle 16 of gripper shoe both sides, gripper shoe 15 has the through hole 17 that heater element can be made to pass through, gripper shoe 15 He
It is provided with fixing card 18, insulating ceramics circle 16 has annular groove, fixing card 18 is the U-shaped being stuck in annular groove between insulating ceramics circle 16
Card, described U-shaped card is provided with leg, the leg of U-shaped card is fixedly mounted in gripper shoe 15, by such structure design,
So that heater element is passed through from the through hole of gripper shoe, metal part will not be encountered, the hanging effect being consequently formed improves fluid
By performance, while fluid is by through hole, improve the efficiency of heating surface.
Claims (8)
1. a kind of direct electric resistor heater it is characterised in that：Including the tubular shell being connected on heating pipe
(1), it is placed with many heater elements (2) in described tubular shell (1), in described tubular shell (1), there is polylith interval setting
Insulating supporting assembly (3), each described heater element (2) pass through insulating supporting component insulation and support to fix, described heating unit
The exit of part (2) is connected with contact rod (4), and described tubular shell (1) is welded with protection metal pipe (5), described contact rod
(4) reach outside tubular shell through protection metal pipe (5), the upper end of described protection metal pipe (5) is provided with rosette (6),
Described contact rod (4) extend in rosette (6) and forms terminals.
2. according to the direct electric resistor heater described in claim 1 it is characterised in that：Described contact rod (4) is protected with metal
It is provided with ceramic insulating tube (7), the upper end of described protection metal pipe (5) is welded with the tool in rosette between pillar (5)
There is externally threaded contiguous block (8), described contiguous block (8) is rotary with clamp nut (9), described contact rod (4) and clamp nut (9)
Between there is gap.
3. according to the direct electric resistor heater described in claim 1 it is characterised in that：It is welded with described contact rod (4)
Be enclosed within the compact heap (10) on contact rod, described compact heap (10) be located at clamp nut in, described compact heap (10) and fasten spiral shell
It is mounted with sealing gasket (11) between the inner face of female (9), arrange between described compact heap (10) and the upper surface of contiguous block (8)
There is lower seal pad (12).
4. according to the direct electric resistor heater described in Claims 2 or 3 it is characterised in that：The upper end of described contact rod (4)
It is provided with threaded section, described threaded section is rotary with clamp nut (13), described clamp nut (13) and clamp nut
(9) it is provided with insulated enclosure circle (14) between.
5. according to the direct electric resistor heater described in claim 3 it is characterised in that：Described upper sealing gasket (11) has one
The insulation sleeve that section extends to the bore section on clamp nut top, this insulation sleeve extend into clamp nut (9) and contact rod (4) it
Between；Described lower seal pad (12) has one section of insulation sleeve extending to below clamp nut, and this insulation sleeve extend into contiguous block (8)
And contact rod (4) between.
6. according to the direct electric resistor heater described in claim 1 or 5 it is characterised in that：Described insulating supporting assembly
(3) include gripper shoe (15) and be arranged on heater element and be located at the insulating ceramics circle (16) of gripper shoe both sides, described
The through hole (17) that heater element can be made to pass through is had on fagging (15), between described gripper shoe (15) and insulating ceramics circle (16)
It is provided with fixing card (18).
7. according to the direct electric resistor heater described in claim 6 it is characterised in that：Described insulating ceramics circle (16) has
Annular groove, described fixing card (18) is the U-shaped card being stuck in annular groove, and described U-shaped card is provided with leg, and the leg of U-shaped card is fixed
It is arranged in gripper shoe (15).
8. according to the direct electric resistor heater described in claim 7 it is characterised in that：Described heater element (2) is arrangement
Many U-shaped resistance wires in tubular shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424130.2U CN205961484U (en) | 2016-05-11 | 2016-05-11 | Direct resistance -type electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424130.2U CN205961484U (en) | 2016-05-11 | 2016-05-11 | Direct resistance -type electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961484U true CN205961484U (en) | 2017-02-15 |
Family
ID=57967822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620424130.2U Active CN205961484U (en) | 2016-05-11 | 2016-05-11 | Direct resistance -type electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961484U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN108550997A (en) * | 2017-11-15 | 2018-09-18 | 盖茨公司 | From piercing connector |
| CN109425093A (en) * | 2017-08-24 | 2019-03-05 | 江苏威能电气有限公司 | A kind of antiseep electric heater |
-
2016
- 2016-05-11 CN CN201620424130.2U patent/CN205961484U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848318A (en) * | 2016-05-11 | 2016-08-10 | 镇江东方电热有限公司(中外合资) | Direct resistance type electric heater |
| CN109425093A (en) * | 2017-08-24 | 2019-03-05 | 江苏威能电气有限公司 | A kind of antiseep electric heater |
| CN108550997A (en) * | 2017-11-15 | 2018-09-18 | 盖茨公司 | From piercing connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 212132 In the Electromechanical Industrial Park, Zhenjiang New District, Zhenjiang City, Jiangsu Province (No. 101, Wufengshan Road, Dagang) Patentee before: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Denomination of utility model: Direct resistance electric heater Granted publication date: 20170215 License type: Common License Record date: 20240228 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Jiangsu Oriental Ruiji Energy Equipment Co.,Ltd. Assignor: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Contract record no.: X2024320000007 Date of cancellation: 20240924 |