CN214407104U - High-voltage radiation electric heating furnace - Google Patents
High-voltage radiation electric heating furnace Download PDFInfo
- Publication number
- CN214407104U CN214407104U CN202023066927.5U CN202023066927U CN214407104U CN 214407104 U CN214407104 U CN 214407104U CN 202023066927 U CN202023066927 U CN 202023066927U CN 214407104 U CN214407104 U CN 214407104U
- Authority
- CN
- China
- Prior art keywords
- electric heating
- heat exchanger
- high voltage
- heating element
- riveting
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Furnace Details (AREA)
Abstract
The utility model relates to the technical field of electric power energy storage, in particular to a high-voltage radiation electric heating furnace, which mainly comprises a furnace body and a heat exchanger, wherein the heat exchanger is arranged inside the furnace body, and the furnace body mainly comprises a metal shell, a heat preservation layer, a ceramic compression plate and an electric heating element which are arranged from outside to inside in sequence; the insulating layer, the ceramic compression plate and the electric heating element are integrally and fixedly connected by adopting an insulating riveting piece; the insulating riveting piece comprises a riveting pipe and a locking plate, the outer side end of the riveting pipe is provided with the locking plate, the axis of the locking plate is provided with a through hole, a screw rod is inserted in the through hole, the outer side end of the screw rod is connected with the metal shell, and the inner side end of the screw rod locks and fixes the screw rod and the riveting pipe through a locking nut; the problem of metal structure spare when using under the high-pressure occasion, can produce high-pressure ionization breakdown easily, influence insulating properties is solved, reached simultaneously that the heating is even, energy-conserving reliable and stable, reduce the energy consumption, can effectively prolong its life's advantage.
Description
Technical Field
The utility model relates to an electric power energy storage technical field, concretely relates to high voltage radiation electric heating furnace.
Background
At present, domestic wind and light abandonment and electricity abandonment (low valley) are serious, and in addition, a power grid needs to be subjected to peak clipping and valley filling, so that the market urgently needs to adopt an electric heating furnace with high voltage (more than 6 KV) of the power grid to heat and store energy for flowing media (such as fused salt).
The existing domestic prior art is to adopt the high voltage (more than 6 KV) of the power grid to heat and store energy for heating solid media, most of them fasten the electric heating element, the ceramic plate and the heat insulation layer into a whole by the fastening mode of the traditional metal structural member, but when the metal structural member is used in the high voltage occasion, the high voltage ionization breakdown is easy to generate, and the insulation performance is affected, so the research and development of a high voltage radiation electric heating furnace are urgently needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a high voltage radiation electric heating furnace, it is most integrative with electric heating element, ceramic plate and heat preservation fastening through traditional metallic structure's fastening mode to have solved, but metallic structure spare when using under the high-pressure occasion, can produce high-pressure ionization breakdown easily, influences the problem of insulating properties, has reached simultaneously that the heating is even, energy-conserving reliable and stable, reduce the energy consumption, can effectively prolong its life's advantage.
The utility model discloses a following technical scheme realizes:
a high-voltage radiation electric heating furnace mainly comprises a furnace body and a heat exchanger, wherein the heat exchanger is arranged inside the furnace body, and the furnace body mainly comprises a metal shell, a heat insulation layer, a ceramic pressing plate and an electric heating element which are sequentially arranged from outside to inside; the heat-insulating layer, the ceramic pressure plate and the electric heating element are integrally and fixedly connected by adopting an insulating riveting piece.
Preferably, the insulating riveting piece comprises a riveting pipe and a locking plate, the locking plate is arranged at the outer side end of the riveting pipe, a through hole is formed in the axis of the locking plate, a screw rod is inserted in the through hole, the outer side end of the screw rod is connected with the metal shell, the screw rod and the riveting pipe are locked and fixed by the inner side end of the screw rod through a locking nut, and the inner side end of the riveting pipe is abutted and fixed with the ceramic compression plate.
Preferably, the length of the insulating riveting piece is matched with the thickness of the insulating layer, and when the insulating riveting piece is locked by a locking nut, the inner side end of the screw rod is flush with the inner side end of the locking nut; the ceramic pressure plate is provided with an embedded groove for the electric heating element to directly pass through.
Preferably, heat generated by the electric heating element is transferred to the heat exchanger in a radiation mode, and flowing media are heated in a heat exchange tube of the heat exchanger in a radiation mode; the heating furnace is arranged in an annular cylindrical structure which is axially and hollow, a certain safe space distance is ensured between the electric heating element and the heat exchanger when the heating furnace is installed, and inert protective gas can be filled in the space.
Preferably, the inert protective gas can be nitrogen, and a nitrogen filling opening is formed in the bottom of the left side wall of the furnace body.
Preferably, the heat exchanger can adopt a plate heat exchanger, a shell-and-tube heat exchanger or a double-layer spiral tube heat exchanger.
Preferably, the heat exchange tubes of the heat exchanger are uniformly staggered from the medium inlet end to the medium outlet end in the heating furnace, and the arrangement mode of the heat exchange tubes of the heat exchanger can realize effective evacuation of flowing media.
Preferably, the medium inlet end and the medium outlet end are both provided with a temperature sensor.
Preferably, the electric heating element is electrically connected with a power supply outside the heating furnace through a high-voltage wiring terminal, and the high voltage of a power grid of the high-voltage wiring terminal is ensured to be more than 6 kv.
Preferably, the electric heating device further comprises a control cabinet, and the control cabinet is electrically connected with the temperature sensor and the electric heating element respectively.
The utility model has the advantages that:
by adopting the design and the use of the components, the utility model solves the problems that most of the electric heating elements, the ceramic plates and the heat preservation layer are fastened into a whole by the traditional fastening mode of the metal structural member, but when the metal structural member is used in a high-pressure occasion, high-pressure ionization breakdown is easy to generate, and the insulating property is influenced, and simultaneously, the advantages of uniform heating, energy conservation, stability and reliability, energy consumption reduction and effective service life extension are achieved;
and the utility model has the advantages of novel structure, reasonable design, convenient use and stronger practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front sectional view of the present invention;
fig. 2 is a top cross-sectional view of the present invention;
fig. 3 is a schematic structural diagram of the installation of the middle insulation riveting member of the present invention.
In the figure: 1-furnace body, 2-heat exchanger, 101-metal shell, 102-heat insulation layer, 103-ceramic compression plate, 104-electric heating element, 3-nitrogen charging port, 4-insulating riveting piece, 401-riveting pipe, 402-locking plate, 403-screw, 404-locking nut, 5-medium inlet end, 6-medium outlet end, 7-temperature sensor and 8-high voltage wiring terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
a high-voltage radiation electric heating furnace mainly comprises a furnace body 1 and a heat exchanger 2, wherein the heat exchanger 2 is arranged inside the furnace body 1, and the furnace body 1 mainly comprises a metal shell 101, a heat insulation layer 102, a ceramic pressing plate 103 and an electric heating element 104 which are sequentially arranged from outside to inside; the insulating layer 102, the ceramic pressure plate 103 and the electric heating element 104 are integrally and tightly connected through an insulating riveting piece 4, and the insulating riveting piece 4 is a riveting piece made of a special insulating material.
Specifically, the insulating riveting member 4 includes a riveting tube 401 and a locking plate 402, the locking plate 402 is disposed at an outer side end of the riveting tube 401, a through hole is formed in an axis of the locking plate 402, a screw 403 is inserted into the through hole, the outer side end of the screw 403 is connected with the metal casing 101, the screw 403 and the riveting tube 401 are locked and fixed by an inner side end of the screw 403 through a locking nut 404, and the inner side end of the riveting tube 401 is abutted and fixed with the ceramic pressing plate 103.
Specifically, the length of the insulating riveting member 4 is matched with the thickness of the insulating layer 102, and when the insulating riveting member is locked by the locking nut 404, the inner side end of the screw 403 is flush with the inner side end of the locking nut 404; the ceramic pressing plate 103 is provided with an embedded groove for the electric heating element 104 to directly pass through.
Specifically, heat generated by the electric heating element 104 is transferred to the heat exchanger 2 in a radiation manner, and a flowing medium is heated by radiation inside a heat exchange tube of the heat exchanger 2; the heating furnace is arranged in an annular cylindrical structure which is hollow in the axial direction, a certain safe space distance is ensured between the electric heating element 104 and the heat exchanger 2 during installation, and inert protective gas can be filled in the space.
Specifically, the inert protective gas can be nitrogen, and the bottom of the left side wall of the furnace body 1 is provided with a nitrogen charging port 3.
Specifically, the heat exchanger 2 may be a plate heat exchanger, a shell-and-tube heat exchanger, or a double-layer spiral tube heat exchanger.
Specifically, the heat exchange tubes of the heat exchanger 2 are uniformly staggered from the medium inlet end 5 to the medium outlet end 6 in the heating furnace, and the arrangement mode of the heat exchange tubes of the heat exchanger 2 can realize effective evacuation of the flowing medium.
Specifically, the medium inlet end 5 and the medium outlet end 6 are both provided with temperature sensors 7.
Specifically, the electric heating element 104 is electrically connected with a power supply outside the heating furnace through a high-voltage wiring terminal 8, and the high voltage of a power grid of the high-voltage wiring terminal 8 is ensured to be more than 6 kv.
Specifically, the electric heating device further comprises a control cabinet, and the control cabinet is electrically connected with the temperature sensor 7 and the electric heating element 104 respectively.
The working principle is as follows: when the utility model is used for heating and storing energy for flowing media such as fused salt, the flowing media enters through the media inlet end 5 of the heat exchanger 2 under the power transmission of the external pump, flows through the inside of the heat exchange tube of the heat exchanger 2, promotes the flowing media and the heat exchanger 2 to exchange heat and heat through radiation, and flows out from the media outlet end 6 of the heat exchanger 2, thereby achieving the purpose of storing energy for the flowing media;
furthermore, the utility model discloses well insulating riveting piece 4 includes riveting pipe 401 and locking plate 402, the outside end of riveting pipe 401 is equipped with locking plate 402, the through-hole has been seted up to locking plate 402's axle center department, it has screw rod 403 to peg graft in the through-hole, the outside end of screw rod 403 links to each other with metal casing 101, the medial extremity of screw rod 403 passes through lock nut 404 and locks screw rod 403 and riveting pipe 401 fixed, the medial extremity of riveting pipe 401 is fixed with ceramic pressure strip 103 butt, the length of insulating riveting piece 4 and the thickness looks adaptation of heat preservation 102, when locking through lock nut 404, the medial extremity of screw rod 403 flushes with the inboard end of lock nut 404, can further improve the creepage distance between electric heating element 104 and screw rod 403, avoid producing high-pressure ionization breakdown phenomenon easily;
moreover, the utility model adopts the electric heating element 104 to exchange heat with the heat exchanger 2 in a radiation mode, and a certain safe space distance is ensured between the electric heating element 104 and the heat exchanger 2 when the heat exchanger is installed, thereby not only ensuring that high-pressure ionization or breakdown does not occur, but also effectively exchanging heat energy with heat radiation to the heat exchanger 2, and inert protective gas can be filled in the space of the heat exchanger, so as to reduce the tendency of air ionization, improve the insulation reliability, and simultaneously reduce and retard the oxidation condition of the electric heating element 104;
moreover, nitrogen can be adopted as inert protective gas, and the bottom of the right side wall of the furnace body 1 is provided with the nitrogen filling port 3, so that the space inside the furnace body 1 can be conveniently filled with nitrogen for protection through the nitrogen filling port 3, and meanwhile, heat exchange is carried out by utilizing the natural convection of the nitrogen in the furnace body 1 and the radiation heat transfer mode of the electric heating element 104, so that the heat exchange effect is further improved;
the insulating layer 102, the ceramic pressing plate 103 and the electric heating element 104 are integrally connected and fastened by adopting the insulating riveting piece 4, the insulating riveting piece 4 is a riveting piece made of a special insulating material, the traditional metal piece connection is abandoned, and the connection mode of the insulating riveting piece 4 made of the special insulating material is adopted, so that the problem of high-voltage insulation between the electric heating element 104 and the metal shell 101 is solved, and the condition of breakdown ionization cannot be generated;
the heat exchange tubes of the heat exchanger 2 are uniformly staggered from the medium inlet end 5 to the medium outlet end 6 in the heating furnace, the heat exchange tubes of the heat exchanger 2 are arranged in a double-layer spiral tube structure, the heat exchanger 2 utilizes the heat exchange tubes of the flowing medium inlet and outlet ends to balance the uniform furnace temperature, so that the local abnormal high temperature in the furnace is not generated, the ionization condition under high pressure can be caused by the abnormal high temperature, and meanwhile, the effective evacuation of the flowing medium can be realized;
and moreover, the temperature sensors 7 are arranged at the medium inlet end 5 and the medium outlet end 6, when the temperature detected by the temperature sensor 7 at the medium outlet end 6 is lower than the set temperature, a signal is sent to the control cabinet, the control cabinet controls the electric heating element 104 to be electrified and heated until the temperature at the medium outlet end 6 of the heat exchanger 2 reaches the set temperature, and the power is cut off and the heating is stopped, so that the operation is repeated.
The utility model discloses under the design and the use that adopt above-mentioned part, the fastening mode of having solved most through traditional metallic structure spare is integrative with electric heating element, ceramic plate and heat preservation fastening, but when metallic structure spare used under the high pressure occasion, can produce high-pressure ionization breakdown easily, influences the problem of insulating properties, has reached simultaneously that the heating is even, energy-conserving reliable and stable, reduce the energy consumption, can effectively prolong its life's advantage.
The control mode of electric elements such as above-mentioned electric heating element 104, temperature sensor 7 is controlled through the switch board rather than supporting, and control circuit can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, only uses it, does not improve it, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer detail control mode and circuit connection are repeated.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a high voltage radiation electric heating furnace, this heating furnace mainly comprises furnace body (1) and heat exchanger (2), heat exchanger (2) set up in the inside of furnace body (1), its characterized in that: the furnace body (1) mainly comprises a metal shell (101), a heat insulation layer (102), a ceramic compression plate (103) and an electric heating element (104) which are arranged in sequence from outside to inside; and the heat insulation layer (102), the ceramic compression plate (103) and the electric heating element (104) are integrally and fixedly connected through an insulating riveting piece (4).
2. The high-voltage radiation electric heating furnace according to claim 1, wherein the insulation riveting piece (4) comprises a riveting tube (401) and a locking plate (402), the locking plate (402) is arranged at the outer side end of the riveting tube (401), a through hole is formed in the axis of the locking plate (402), a screw rod (403) is inserted into the through hole, the outer side end of the screw rod (403) is connected with the metal shell (101), the screw rod (403) and the riveting tube (401) are locked and fixed by the inner side end of the screw rod (403) through a locking nut (404), and the inner side end of the riveting tube (401) is abutted and fixed with the ceramic compression plate (103).
3. A high voltage radiant electric heater according to claim 2, characterized in that the length of the insulating rivet (4) is adapted to the thickness of the insulating layer (102), and when the insulating rivet is fastened by the fastening nut (404), the inner end of the screw (403) is flush with the inner end of the fastening nut (404); the ceramic compression plate (103) is provided with an embedded groove for the electric heating element (104) to directly pass through.
4. A high voltage radiation electric heating furnace according to claim 1, characterized in that the heat generated by the electric heating element (104) is transferred to the heat exchanger (2) by radiation, and the inside of the heat exchange tube of the heat exchanger (2) is heated by radiation as a flowing medium; the heating furnace is arranged in an annular cylindrical structure which is hollow in the axial direction, a certain safe space distance is ensured between the electric heating element (104) and the heat exchanger (2) when the heating furnace is installed, and inert protective gas can be filled in the space.
5. A high-voltage radiation electric heating furnace according to claim 4, characterized in that the inert protective gas can be nitrogen gas, and the bottom of the left side wall of the furnace body (1) is provided with a nitrogen charging port (3).
6. A high voltage radiant electric furnace according to claim 1, characterized in that said heat exchanger (2) can be a plate heat exchanger, a shell-and-tube heat exchanger or a double-layer spiral tube heat exchanger.
7. A high voltage radiation electric heating furnace according to claim 6, characterized in that the heat exchange tubes of the heat exchanger (2) are arranged in the furnace in a uniformly staggered manner from the medium inlet end (5) to the medium outlet end (6), and the heat exchange tubes of the heat exchanger (2) are arranged in such a manner that an effective evacuation of the flowing medium is achieved.
8. A high voltage radiant electric heater according to claim 7, characterized in that both the medium inlet end (5) and the medium outlet end (6) are equipped with temperature sensors (7).
9. A high voltage radiant electric furnace according to claim 1, characterized in that said electric heating element (104) is electrically connected to a power supply outside said furnace through a high voltage terminal (8), and the high voltage of the network of said high voltage terminal (8) is guaranteed to be above 6 kv.
10. A high voltage radiant electric heater according to claim 8, characterized by further comprising a control cabinet, said control cabinet being electrically connected to said temperature sensor (7) and said electric heating element (104), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066927.5U CN214407104U (en) | 2020-12-18 | 2020-12-18 | High-voltage radiation electric heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066927.5U CN214407104U (en) | 2020-12-18 | 2020-12-18 | High-voltage radiation electric heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407104U true CN214407104U (en) | 2021-10-15 |
Family
ID=78040680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066927.5U Active CN214407104U (en) | 2020-12-18 | 2020-12-18 | High-voltage radiation electric heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214407104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146627A (en) * | 2023-10-30 | 2023-12-01 | 浙江绿储科技有限公司 | Novel fused salt electric heating device |
-
2020
- 2020-12-18 CN CN202023066927.5U patent/CN214407104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146627A (en) * | 2023-10-30 | 2023-12-01 | 浙江绿储科技有限公司 | Novel fused salt electric heating device |
| CN117146627B (en) * | 2023-10-30 | 2024-02-09 | 浙江绿储科技有限公司 | Fused salt electric heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202172243U (en) | 35KV medium voltage full-pouring type bus duct | |
| CN214407104U (en) | High-voltage radiation electric heating furnace | |
| CN202190041U (en) | Less than 17.5 kV middle and low voltage full-pouring type bus duct | |
| CN203397832U (en) | Oil pump oil cooling transformer | |
| CN105444599A (en) | Electrode type molten salt heater | |
| CN103237374B (en) | Civilian nuclear power plant pressurizer electric heater heating unit structure | |
| CN201319675Y (en) | PTC ceramic tubular electric heating element | |
| CN203274229U (en) | Foot tub electric heating module | |
| CN208970352U (en) | A kind of High-temperature-rescapacitor capacitor | |
| CN207262704U (en) | Water flowing heater | |
| CN104812112A (en) | Metal PTC fast electric heater | |
| CN203298481U (en) | Electric gas heater | |
| CN207800941U (en) | A kind of termination of solid heat storage formula resistance wire | |
| CN207079007U (en) | For matching the air core inductor of capacitive ozonator cell | |
| CN2481105Y (en) | Electric heating bar | |
| CN105451378A (en) | PTC heater | |
| CN110071347A (en) | A kind of battery for cryogenically band | |
| CN216897800U (en) | External liquid heater | |
| CN215863308U (en) | Semiconductor electric heating boiler | |
| CN211507247U (en) | Super-power resistor convenient for convection type heat dissipation | |
| CN216700362U (en) | Double-layer mosquito-shaped electric heating tube | |
| CN115942523B (en) | High-voltage-resistant thin-wall composite insulating heater for superconducting magnet current lead | |
| CN203132124U (en) | Passenger train air heater | |
| CN214338142U (en) | Infrared radiation heating ring | |
| CN217789915U (en) | Heating resistor structure and radiation type electric heating element using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 89, Ximei Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Huaneng Electric Heating Equipment Co.,Ltd. Address before: No. 89, Ximei Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee before: HUANENG WUXI ELECTROTHERMAL EQUIPMENT Co.,Ltd. |