CN106403266B - A kind of anti-explosion electric heater - Google Patents
A kind of anti-explosion electric heater Download PDFInfo
- Publication number
- CN106403266B CN106403266B CN201610777480.1A CN201610777480A CN106403266B CN 106403266 B CN106403266 B CN 106403266B CN 201610777480 A CN201610777480 A CN 201610777480A CN 106403266 B CN106403266 B CN 106403266B
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- Prior art keywords
- explosion
- chamber
- container body
- terminal box
- casing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The invention proposes a kind of anti-explosion electric heater, heating chamber is equipped in container body；The radius and container body radius match first round card slot is equipped on the inside of container cover, container body open end is connected in the first round card slot；The radius and anti-explosion terminal box radius match second round card slot is equipped on the inside of Explosion-proof cap, anti-explosion terminal box open end is connected in the second round card slot；Each casing one end and container cover are tightly connected, each casing other end passes through that anti-explosion terminal box bottom is protruded into explosion-proof chamber and each casing is tightly connected with anti-explosion terminal box, and each casing other end passes through that anti-explosion terminal box bottom is protruded into explosion-proof chamber and each casing is tightly connected with anti-explosion terminal box；Multiple electrical heating elements are arranged in heating chamber, and the quantity of casing is consistent and each electrical heating elements one end is each passed through each casing and protrudes into explosion-proof chamber and connect by conducting wire with power interface for the quantity of electrical heating elements.Good seal performance of the present invention, heating effect is good, and heating speed is fast, and heating temperature is stablized.
Description
Technical field
The present invention relates to electric heater technical field more particularly to a kind of anti-explosion electric heaters.
Background technique
The function of existing anti-explosion electric heater is to heat the fluid media (medium) of hydrogen, oil etc, basic structure are as follows: container
System has inlet and outlet, outside cladding thermal insulation material, and upper end is fixed with explosion-proof chamber by one group of casing, and electric heating device is logical
Casing is crossed to be penetrated in container body by explosion-proof chamber.When work, electric heating device is powered, and will enter the intracorporal fluid heating of container,
It is exported again by outlet.Anti-explosion electric heater poor sealing performance in the prior art, with the increase for using the time, explosive-proof sealed face
It gradually corrodes, final infiltration just enters in explosion-proof chamber room, so that it is unable to reach requirement of explosion proof, electrical fire can be also generated when serious
Flower, destroys entire electric-control system, causes damages, and existing anti-explosion electric heater is poor to fluid heating effect, heating temperature
It is unstable.
Summary of the invention
Based on technical problem present in background technique, the invention proposes a kind of anti-explosion electric heaters.
A kind of anti-explosion electric heater proposed by the present invention, including container body, container cover, multiple first connectors, explosion-proof connect
Wire box, Explosion-proof cap, multiple second connectors, multiple casings, multiple electrical heating elements, in which:
Container body is tube structure open at one end, and heating chamber is equipped in container body, and container body is equipped with and is connected to heating chamber
Medium entrance and media outlet；Container cover is mounted on container body open end, for being sealed to heating chamber, on the inside of container cover
Equipped with the first round card slot that radius and container body radius match, container body open end is connected in the first round card slot, holds
Body open end end face is equipped with multiple the first mounting holes being circumferentially distributed, the quantity of the first connector and the first mounting hole
Quantity is consistent and each first connector is each passed through container cover and protrudes into each first mounting hole；
Anti-explosion terminal box is tube structure open at one end, and explosion-proof chamber, anti-explosion terminal box outside are equipped in anti-explosion terminal box
Equipped with multiple power interfaces；Explosion-proof cap is mounted on anti-explosion terminal box open end, for being sealed to explosion-proof chamber, on the inside of Explosion-proof cap
Equipped with the second round card slot that radius and anti-explosion terminal box radius match, anti-explosion terminal box open end is connected to the second circular card
In slot, anti-explosion terminal box open end end face be equipped with multiple the second mounting holes being circumferentially distributed, the quantity of the second connector with
The quantity of second mounting hole is consistent and each second connector is each passed through Explosion-proof cap and protrudes into the second mounting hole；
Multiple casings are circumferentially distributed, and each casing one end and container cover are tightly connected, and each casing other end passes through explosion-proof connect
Wire box bottom is protruded into explosion-proof chamber and each casing is tightly connected with anti-explosion terminal box, the central axis of circumference where multiple casings
It is conllinear with central axis, the central axis of anti-explosion terminal box of container body；
Multiple electrical heating elements are arranged in heating chamber, the quantity of the electrical heating elements and quantity of casing is consistent and each electricity
Heating element one end is each passed through each casing and protrudes into explosion-proof chamber and connect by conducting wire with power interface.
Preferably, electrical heating elements include flat metal tube, the first heater, the second heater, and metal tube one end is set
There is connector lug, the first chamber and second chamber of parallel arrangement, first chamber, the second chamber are provided along its length in metal tube
The connection of room bottom, the first heater are arranged in first chamber, and the second heater is arranged in second chamber, the first heater,
Second heater one end is connect with connector lug and the first heater, the second heater other end are connected with each other, first chamber, the
Magnesia powder is filled in two chambers.
Preferably, each metal tube is located at the heating sheet that one section of outer surface spiral winding in container body is equipped with strip.
Preferably, installation axle and multiple deflectors, installation axle length direction and container body length side are additionally provided in heating chamber
To consistent, installation axle is located at heating chamber center and connect with container body bottom, the quantity of multiple deflectors and electric heating member
The quantity of part is consistent, and multiple deflectors are circumferentially distributed centered on installation axle and are distributed with through-hole on each deflector, respectively leads
Flowing plate two sides are connect with installation axle, container body inner wall respectively, and heating chamber is separated into multiple sub- heating chambers and each by multiple deflectors
An electrical heating elements are equipped in sub- heating chamber, the non-conterminous sub- heating chamber of two of them goes out with medium entrance, medium respectively
Mouth connection.
Preferably, each casing is arranged with cooling tube, cooling tube respectively between container body and anti-explosion terminal box outside one section
It is interior to be equipped with recirculated cooling water.
Preferably, insulation board is equipped on the inside of container cover.
Preferably, the first round card slot, be equipped with sealing ring in the second round card slot.
Preferably, it is enclosed with one layer of heat preservation layer on the outside of container body, which is made of glass or asbestos material.
In the present invention, by the way that the first round card slot is arranged on the inside of container cover, container body open end is connected to the first circle
In card slot, and container body and container cover are sealed by multiple first connectors, it is ensured that container body is connect with container cover
Closely, the leakproofness for guaranteeing heating chamber avoids heat, fluid loss；By the way that the second round card slot is arranged on the inside of Explosion-proof cap, prevent
Quick-fried terminal box open end is connected in the second round card slot, and by multiple second connectors that anti-explosion terminal box and Explosion-proof cap is close
It is enclosed in together, it is ensured that anti-explosion terminal box is completely embedded with Explosion-proof cap, guarantees the leakproofness of explosion-proof chamber, prevents from seeping water, long-term to keep
Sealing, ensure that the long-acting service life of anti-explosion electric heater.Further, electrical heating elements of the present invention are in flat and it is intake
Tube outer surface spiral cloth is equipped with heating sheet, so that electrical heating elements and fluid contact level product are big, uniformly, heating effect is good for heat dissipation,
Heating speed is fast and heating temperature temperature.Further, multiple deflectors are arranged in the present invention in heating chamber, and multiple deflectors will
Heating chamber, which is separated into multiple sub- heating chambers and each sub- heating chamber, is equipped with an electrical heating elements, the non-conterminous son of two of them
Heating chamber is connected to medium entrance, media outlet respectively, so that fluid is heated evenly, it is ensured that temperature when fluid is discharged from media outlet
Degree is consistent.Further.By the way that cooling tube is arranged outside casing, recirculated cooling water is set in cooling tube, heat is avoided to pass
It is delivered in explosion-proof chamber, causes the accident.
Detailed description of the invention
Fig. 1 is a kind of anti-explosion electric heater structural schematic diagram proposed by the present invention；
Fig. 2 is sectional view along A-A in Fig. 1
Fig. 3 is a kind of electrical heating elements structural schematic diagram of anti-explosion electric heater proposed by the present invention.
Specific embodiment
Referring to Fig.1, Fig. 2, Fig. 3, the present invention propose a kind of anti-explosion electric heater, including container body 1, container cover 2, Duo Ge
A connection piece 3, anti-explosion terminal box 4, Explosion-proof cap 5, multiple second connectors 6, multiple casings 7, multiple electrical heating elements 8, in which:
Container body 1 is tube structure open at one end, and heating chamber is equipped in container body 1, and container body 1 is equipped with to be connected with heating chamber
Logical medium entrance 101 and media outlet 102 is enclosed with one layer of heat preservation layer on the outside of container body 1, which uses glass or stone
Cotton material is made.Container cover 2 is mounted on 1 open end of container body, for being sealed to heating chamber, is equipped with and protects on the inside of container cover 2
Warm plate 13 is equipped with the radius and 1 radius of container body match first round card slot, the clamping of 1 open end of container body on the inside of container cover 2
In the first round card slot, it is equipped with sealing ring in the first round card slot, 1 open end end face of container body is circumferentially divided equipped with multiple
First mounting hole of cloth, the quantity of the first connector 3 is consistent with the quantity of the first mounting hole and each first connector 3 is each passed through
Container cover 2 protrudes into each first mounting hole.By the way that the first round card slot, the clamping of 1 open end of container body are arranged on the inside of container cover 2
In the first round card slot, and container body 1 and container cover 2 are sealed by multiple first connectors 3, it is ensured that container body
1 is completely embedded with container cover 2, guarantees the leakproofness of heating chamber, avoids heat, fluid loss.
Anti-explosion terminal box 4 is tube structure open at one end, is equipped with explosion-proof chamber 401, anti-explosion terminal box in anti-explosion terminal box 4
4 outsides are equipped with multiple power interfaces 402；Explosion-proof cap 5 is mounted on 4 open end of anti-explosion terminal box, close for carrying out to explosion-proof chamber 401
It seals, the radius and 4 radius of anti-explosion terminal box match second round card slot, 4 open end of anti-explosion terminal box is equipped on the inside of Explosion-proof cap 5
It is connected in the second round card slot, is equipped with sealing ring in the second round card slot, 4 open end end face of anti-explosion terminal box is equipped with multiple
The second mounting hole being circumferentially distributed, the quantity of the second connector 6 is consistent with the quantity of the second mounting hole and each second connector 6
Explosion-proof cap 5 is each passed through to protrude into the second mounting hole.By the way that the second round card slot, anti-explosion terminal box 4 are arranged on the inside of Explosion-proof cap 5
Open end is connected in the second round card slot, and is sealed in anti-explosion terminal box 4 and Explosion-proof cap 5 by multiple second connectors 6
Together, it is ensured that anti-explosion terminal box 4 is completely embedded with Explosion-proof cap 5, is guaranteed the leakproofness of explosion-proof chamber 401, is prevented from seeping water, long-term to keep
Sealing, ensure that the long-acting service life of anti-explosion electric heater.
Multiple casings 7 are circumferentially distributed, and each 7 one end of casing and container cover 2 are tightly connected, and each 7 other end of casing passes through anti-
Quick-fried 4 bottom of terminal box is protruded into explosion-proof chamber 401 and each casing 7 is tightly connected with anti-explosion terminal box 4, circle where multiple casings 7
The central axis in week is conllinear with central axis, the central axis of anti-explosion terminal box 4 of container body 1；Each casing 7 is located at container body
It is arranged with cooling tube 12 between 1 and anti-explosion terminal box 4 outside one section respectively, is equipped with recirculated cooling water in cooling tube 12.By covering
Cooling tube 12 is set outside pipe 7, recirculated cooling water is set in cooling tube 12, avoids causing thing in heat transfer to explosion-proof chamber 401
Therefore.
Multiple electrical heating elements 8 are arranged in heating chamber, the quantity of electrical heating elements 8 it is consistent with the quantity of casing 7 and
Each 8 one end of electrical heating elements is each passed through each casing 7 and protrudes into explosion-proof chamber 401 and connect by conducting wire with power interface 402.Electricity
Heating element 8 includes flat metal tube 801, the first heater 802, the second heater 803, and 801 one end of metal tube is equipped with and connects
The end of a thread 806, each metal tube 801 are located at the heating sheet 9 that one section of outer surface spiral winding in container body 1 is equipped with strip.In metal tube 801
It is provided along its length the first chamber 804 and second chamber 805 of parallel arrangement, first chamber 804,805 bottom of second chamber
Portion's connection, the first heater 802 are arranged in first chamber 804, and the second heater 803 is arranged in second chamber 805, and first
Heater 802,803 one end of the second heater are connect with connector lug 806 and the first heater 802, the second heater 803 are another
End is connected with each other, and magnesia powder is filled in first chamber 804, second chamber 805.Electrical heating elements 8 are in flat and it
Water inlet tube outer surface screw arrangement has heating sheet 9, so that electrical heating elements 8 and fluid contact level product are big, radiates uniformly, heating effect
Fruit is good, and heating speed is fast and heating temperature temperature.
In the present embodiment, be additionally provided with installation axle 10 and multiple deflectors 11 in heating chamber 103,10 length direction of installation axle with
1 length direction of container body is consistent, and installation axle 10 is located at heating chamber center and connect with 1 bottom of container body, multiple deflectors
11 quantity is consistent with the quantity of electrical heating elements 8, and multiple deflectors 11 are circumferentially distributed centered on installation axle 10 and are respectively led
Through-hole 1101 is distributed in flowing plate 11, each 11 two sides of deflector are connect with installation axle 10,1 inner wall of container body respectively, multiple to lead
Heating chamber is separated into multiple sub- heating chambers 103 and each sub- heating chamber 103 and is equipped with an electrical heating elements 8 by flowing plate 11,
In two non-conterminous sub- heating chambers 103 be connected to respectively with medium entrance 101, media outlet 102.By being arranged in heating chamber
Heating chamber is separated into multiple sub- heating chambers 103 and each sub- heating chamber 103 and is equipped with by multiple deflectors 11, multiple deflectors 11
One electrical heating elements 8, the non-conterminous sub- heating chamber 103 of two of them are connected to medium entrance 101, media outlet 102 respectively,
So that fluid is heated evenly, it is ensured that temperature is consistent when fluid is discharged from media outlet 102.
A kind of anti-explosion electric heater proposed by the present invention, good seal performance, heating effect is good, and heating speed is fast, heating temperature
Degree is stablized.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of anti-explosion electric heater, which is characterized in that including container body (1), container cover (2), multiple first connectors (3),
Anti-explosion terminal box (4), Explosion-proof cap (5), multiple second connectors (6), multiple casings (7), multiple electrical heating elements (8), in which:
Container body (1) is tube structure open at one end, is equipped with heating chamber in container body (1), container body (1) is equipped with and heating chamber
The medium entrance (101) and media outlet (102) of connection；Container cover (2) is mounted on container body (1) open end, for heating
Chamber is sealed, and the radius and container body (1) radius match first round card slot, container body (1) are equipped on the inside of container cover (2)
Open end is connected in the first round card slot, and container body (1) open end end face is equipped with multiple the first installations being circumferentially distributed
Hole, the quantity of the first connector (3) is consistent with the quantity of the first mounting hole and each first connector (3) is each passed through container cover
(2) it protrudes into each first mounting hole；
Anti-explosion terminal box (4) is tube structure open at one end, is equipped with explosion-proof chamber (401) in anti-explosion terminal box (4), explosion-proof wiring
Multiple power interfaces (402) are equipped on the outside of box (4)；Explosion-proof cap (5) is mounted on anti-explosion terminal box (4) open end, for explosion-proof
Chamber (401) is sealed, and the radius and anti-explosion terminal box (4) radius match second round card slot is equipped on the inside of Explosion-proof cap (5),
Anti-explosion terminal box (4) open end is connected in the second round card slot, and anti-explosion terminal box (4) open end end face is equipped with multiple in circle
Second mounting hole of week distribution, the quantity of the second connector (6) is consistent with the quantity of the second mounting hole and each second connector (6)
Explosion-proof cap (5) is each passed through to protrude into the second mounting hole；
Multiple casings (7) are circumferentially distributed, and each casing (7) one end and container cover (2) are tightly connected, and each casing (7) other end is worn
Cross that anti-explosion terminal box (4) bottom is protruded into explosion-proof chamber (401) and each casing (7) is tightly connected with anti-explosion terminal box (4), it is multiple
The central axis of circumference is conllinear with central axis, the central axis of anti-explosion terminal box (4) of container body (1) where casing (7)；
Multiple electrical heating elements (8) are arranged in heating chamber, and the quantity of electrical heating elements (8) is consistent with the quantity of casing (7)
And each electrical heating elements (8) one end is each passed through each casing (7) and protrudes into explosion-proof chamber (401) and by conducting wire and power interface
(402) it connects；
Installation axle (10) and multiple deflectors (11), installation axle (10) length direction and container body are additionally provided in heating chamber (103)
(1) length direction is consistent, and installation axle (10) is located at heating chamber center and connect with container body (1) bottom, multiple deflectors
(11) quantity is consistent with the quantity of electrical heating elements (8), and multiple deflectors (11) are circumferentially divided centered on installation axle (10)
Be distributed with through-hole (1101) on cloth and each deflector (11), each deflector (11) two sides respectively with installation axle (10), container body
(1) inner wall connects, and heating chamber is separated into multiple sub- heating chambers (103) and each sub- heating chamber (103) by multiple deflectors (11)
Be equipped with an electrical heating elements (8), the non-conterminous sub- heating chamber (103) of two of them respectively with medium entrance (101), medium
Export (102) connection.
2. anti-explosion electric heater according to claim 1, which is characterized in that electrical heating elements (8) include flat metal
(801), the first heater (802), the second heater (803) are managed, metal tube (801) one end is equipped with connector lug (806), metal tube
(801) the interior first chamber (804) and second chamber (805) for being provided along its length parallel arrangement, first chamber (804),
The connection of second chamber (805) bottom, in first chamber (804), the second heater (803) is set for the first heater (802) setting
Set in the second chamber (805), the first heater (802), the second heater (803) one end connect with connector lug (806) and
First heater (802), the second heater (803) other end are connected with each other, in first chamber (804), second chamber (805)
Filled with magnesia powder.
3. anti-explosion electric heater according to claim 2, which is characterized in that each metal tube (801) is located in container body (1)
One section of outer surface spiral winding is equipped with the heating sheet (9) of strip.
4. anti-explosion electric heater according to any one of claim 1-3, which is characterized in that each casing (7) is located at container
It is arranged with respectively cooling tube (12) outside one section between body (1) and anti-explosion terminal box (4), circulating cooling is equipped in cooling tube (12)
Water.
5. anti-explosion electric heater according to any one of claim 1-3, which is characterized in that be equipped on the inside of container cover (2)
Insulation board (13).
6. anti-explosion electric heater described in any one of -3 according to claim 1, which is characterized in that the first round card slot, the second circle
Sealing ring is equipped in shape card slot.
7. anti-explosion electric heater described in any one of -3 according to claim 1, which is characterized in that be enclosed on the outside of container body (1)
One layer of heat preservation layer, the insulating layer are made of glass or asbestos material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777480.1A CN106403266B (en) | 2016-08-31 | 2016-08-31 | A kind of anti-explosion electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777480.1A CN106403266B (en) | 2016-08-31 | 2016-08-31 | A kind of anti-explosion electric heater |
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| Publication Number | Publication Date |
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| CN106403266A CN106403266A (en) | 2017-02-15 |
| CN106403266B true CN106403266B (en) | 2019-06-11 |
Family
ID=58003376
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610777480.1A Active CN106403266B (en) | 2016-08-31 | 2016-08-31 | A kind of anti-explosion electric heater |
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| CN (1) | CN106403266B (en) |
Families Citing this family (10)
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|---|---|---|---|---|
| CN106839396A (en) * | 2016-12-29 | 2017-06-13 | 芜湖市易众电器有限公司 | A kind of anti-explosion electric heater |
| CN108601104B (en) * | 2018-05-29 | 2023-12-22 | 东营市成功石油科技有限责任公司 | Environment-friendly explosion-proof heater |
| CN109152109A (en) * | 2018-08-21 | 2019-01-04 | 镇江裕太防爆电加热器有限公司 | A kind of high voltage anti-explosion heater |
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| CN108990186A (en) * | 2018-08-23 | 2018-12-11 | 镇江裕太防爆电加热器有限公司 | A kind of combined type high voltage heater manufacturing method |
| CN109640423B (en) * | 2019-01-17 | 2024-05-14 | 克拉玛依君鼎机电设备有限公司 | Explosion-proof electric heater unit of pipeline automatic temperature control |
| CN109945476A (en) * | 2019-02-18 | 2019-06-28 | 华能无锡电热器材有限公司 | A kind of electric heater |
| CN112261748A (en) * | 2020-11-03 | 2021-01-22 | 安邦电气股份有限公司 | Explosion-proof self-temperature-limiting electric tracing band |
| CN112856804B (en) * | 2021-01-27 | 2022-05-20 | 浙江万森电热设备股份有限公司 | High-efficiency energy-saving explosion-proof electric heater |
| CN113294913B (en) * | 2021-04-27 | 2023-04-18 | 安徽华瑞电气有限公司 | Explosion-proof electric heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02178566A (en) * | 1988-12-28 | 1990-07-11 | Ishihara Heater Seizo Kk | Explosion-proof electrical heater, seal structure for external container, seal member and supporting device for the same external container |
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| CN205320310U (en) * | 2016-01-06 | 2016-06-15 | 杭州量动自动化设备有限公司 | High temperature anti -explosion electric heating |
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| Publication number | Publication date |
|---|---|
| CN106403266A (en) | 2017-02-15 |
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