CN101782269A - Electric heater for fluid - Google Patents
Electric heater for fluid Download PDFInfo
- Publication number
- CN101782269A CN101782269A CN200910028428A CN200910028428A CN101782269A CN 101782269 A CN101782269 A CN 101782269A CN 200910028428 A CN200910028428 A CN 200910028428A CN 200910028428 A CN200910028428 A CN 200910028428A CN 101782269 A CN101782269 A CN 101782269A
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- electric heater
- hollow pipe
- metal hollow
- flange
- housing
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Abstract
The invention discloses an electric heater for fluid, and relates to an electric heating device. The electric heater comprises supporting legs and a shell provided with a medium inlet and a medium outlet; one end of the shell is enclosed, while the other end is connected with a flange; the flange is fixedly connected with a plurality of metal hollow pipes extending into the shell; the one end of each metal hollow pipe in the shell is enclosed, while the other end is provided with a lead hole; an armoured heating cable is arranged in each metal hollow pipe; and an lead terminal of the heating cable extends out of the shell through the lead hole. The electric heater for the fluid has the following advantages that: 1) the spring-shaped armoured heating cable is a heating source, the heat generated by the heating cable can quickly pass through the hollow to be absorbed by a fluid medium, and because of large diameter of the hollow pipes (more than 40mm), the surface temperature of the hollow pipes is reduced so as to greatly improve the heating efficiency; 2) the heating source is placed in a hollow pipe, so the maintenance difficulty is simplified and the replacement period is shortened; and 3) soldering points are decreased, and the integral strength of the flange is improved, so the flange is suitable for occasions with large impact force.
Description
Technical field
The present invention relates to a kind of electric heater unit, relate in particular to a kind of electric heater for fluid that is applicable to the fluid heating.
Background technology
Circulating electric heater for fluid is a kind of electric heating equipment of international popular.Be used for liquid state, the heating of gaseous medium, intensification, insulation to flowing.When heat medium passes through the electric heater heating chamber under pressure, adopt the thermodynamic fluid principle to take away the huge heat that is produced in the heating work equably, make the heated medium temperature reach user's technological requirement.The version of at present existing circulating electric heater for fluid is that some tubular metal heatings (common name electrothermal tube) are bent to U-shaped. is welded on then on the port sealing flange of fluid heater. and shortcoming (1) is less because of the electrothermal tube diameter; single power can't be done greatly; thereby so the electrothermal tube number that needs will be more. increased number of aperture and the welding capacity on the flange; also increase simultaneously the trouble point. when particularly in fluid adds device, certain pressure being arranged; cause the raising of fault rate. (2) are to change immediately when electrothermal tube uses a period of time to occur damaging; because of electrothermal tube and sealing flange have welded extremely; the sealing flange that must shutdown will be welded with electrothermal tube is pulled down from heater body; by specialized factory; adopt professional equipment to keep in repair, so need long downtime. seriously influence enterprise and produce.
Summary of the invention
The present invention is directed to above-mentioned defective, purpose is to provide a kind of can effectively concentrate heating efficiently to various fluid media (medium)s, changes heating fluid electric heater unit eaily.
Technical scheme of the present invention is: the present invention includes feet, be provided with the housing that medium is imported and exported, the sealing of housing one end, other end adpting flange, be fixedly connected with the many metal hollow pipes that extend in the housing on the flange, the end sealing of metal hollow pipe in housing, the other end is opened fairlead, be provided with the armouring heating cables in the metal hollow pipe, the lead terminal of heating cables stretches out in housing by fairlead.
Described armouring heating cables integral body is shape in the shape of a spiral, fits tightly with the hollow pipe inwall, and shell is that stainless steel material is made, the in-built electrical heated filament, and magnesium oxide sand is filled in the gap.
The metal hollow pipe is offered an end of fairlead and is established end cap, and end cap closely is connected the port of metal hollow pipe, and can dismantle from the metal hollow pipe.
The outside connection one of flange is provided with the protection terminal box of incoming line, and described lead terminal is in the protection terminal box.
Be provided with the medium deflector in the described housing.
The cross section of described armouring heating cables is square.
The present invention has following advantage: 1) the armouring heating cables of spring-like is a heating source, the heating cables of this spring-like is a high-quality heater element of a kind of long-life, its in-built electrical heated filament is hedged off from the outer world by magnesia, shell is a stainless steel material, so this armouring heating cables has than long service live and higher serviceability temperature, when work this elongated armouring heating cables be that hollow pipe inwall with end sealing sticks together closely, its heat that sends can be absorbed by fluid media (medium) by hollow as soon as possible, because the hollow pipe diameter is that bigger (more than the 40MM) reduced the hollow pipe surface temperature, from the great efficiency of heating surface that improved; 2) described heating source is to be placed in the hollow pipe, when the heating cables in the hollow pipe damages, end cap can be dismantled, and replaces heating cables then, and will not disassemble from flange by whole electrothermal tube, has simplified maintenance difficulty, has reduced the replacement cycle; 3) pad reduces, and has improved the flange integral intensity, can better adapt to the big occasion of impulsive force.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is that housing, 2 is armouring heating cables cold junction, 13 ceramic insulators, 14 power supply terminals for feet, 12 for media outlet, 11 for medium import, 10 for lead wire outlet, 9 for terminal box capping, 8 for protection terminal box, 7 for medium deflector, 6 for flange, 5 for armouring heating cables, 4 for metal hollow pipe, 3 among the figure.
Fig. 2 is the heating cables structural representation
The specific embodiment
The present invention includes feet 11, be provided with the housing 1 of medium import 9, media outlet 10, the sealing of housing 1 one ends, other end adpting flange 4, be fixedly connected with the many metal hollow pipes 2 that extend in the housing 1 on the flange 4, the end sealing of metal hollow pipe 2 in housing 1, the other end is opened fairlead, be provided with armouring heating cables 3 in the metal hollow pipe 2, the lead terminal of heating cables 3 stretches out in housing 1 by fairlead.Described armouring heating cables 3 integral body are shape in the shape of a spiral, fits tightly with hollow pipe 2 inwalls, and shell 1 is made for stainless steel material, the in-built electrical heated filament, and magnesium oxide sand is filled in the gap.Metal hollow pipe 2 is offered an end of fairlead and is established end cap, and end cap closely is connected the port of metal hollow pipe 2, and can be from 2 dismountings of metal hollow pipe.Flange 4 outside connections one are provided with the protection terminal box 6 of incoming line, and described lead terminal is in the protection terminal box 6, establishes lead wire outlet 8 on the protection terminal box, is provided with medium deflector 5 in the described housing 1, and the cross section of described armouring heating cables 3 is square.
The present invention carries out seal welding with the port sealing flange 4 of fluid heater with metal hollow pipe 2, armouring heating cables 3 in metal hollow pipe 2, be connected with power supply, the square heating cables 3 of spring-like closely contacts with metal hollow pipe 2 inwalls, on heating cables, be provided with not heating part of cold junction 12, comprise ceramic insulator 13 and power supply terminal 14, protection terminal box 6 is connected with fluid heater seal flange 4, with terminal box capping 7 assemblings.
The course of work of the present invention is, the cryogen medium enters its input port under pressure by pipeline at work, by deflector 5 along housing 1 inner specific heat exchange runner, take away the elevated temperature heat energy on the metal hollow pipe 2, the heated medium temperature is raise, further the present invention can establish control device, regulates the electric heater power output automatically according to the temperature sensor signal of delivery outlet, makes the medium temperature of delivery outlet even; When the heating cables overtemperature, cut off heating power supply, avoid adding the hot fluid overtemperature and cause coking, rotten, carbonization, what cause when serious that heating cables gets burns out, and effectively prolongs electric heater service life.
Claims (6)
1. electric heater for fluid, comprise feet, be provided with the housing that medium is imported and exported, the sealing of housing one end, other end adpting flange, it is characterized in that, be fixedly connected with the many metal hollow pipes that extend in the housing on the flange, the end sealing of metal hollow pipe in housing, the other end is opened fairlead, be provided with the armouring heating cables in the metal hollow pipe, the lead terminal of heating cables stretches out in housing by fairlead.
2. a kind of electric heater for fluid according to claim 1 is characterized in that, described armouring heating cables integral body is shape in the shape of a spiral, fits tightly with the hollow pipe inwall, and shell is that stainless steel material is made, the in-built electrical heated filament, and magnesium oxide sand is filled in the gap.
3. a kind of electric heater for fluid according to claim 1 is characterized in that, the metal hollow pipe is offered an end of fairlead and established end cap, and end cap closely is connected the port of metal hollow pipe, and can dismantle from the metal hollow pipe.
4. a kind of electric heater for fluid according to claim 1 is characterized in that, flange outwards connects a protection terminal box that is provided with incoming line, and described lead terminal is in the protection terminal box.
5. a kind of electric heater for fluid according to claim 1 is characterized in that, is provided with the medium deflector in the described housing.
6. a kind of electric heater for fluid according to claim 1 is characterized in that, the cross section of described armouring heating cables is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910028428A CN101782269A (en) | 2009-01-20 | 2009-01-20 | Electric heater for fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910028428A CN101782269A (en) | 2009-01-20 | 2009-01-20 | Electric heater for fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101782269A true CN101782269A (en) | 2010-07-21 |
Family
ID=42522367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910028428A Pending CN101782269A (en) | 2009-01-20 | 2009-01-20 | Electric heater for fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101782269A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620423A (en) * | 2012-04-19 | 2012-08-01 | 江苏中国科学院能源动力研究中心 | Pressurized packed bed gas electric heater and usage thereof |
| CN103442466A (en) * | 2013-05-31 | 2013-12-11 | 镇江天信电器有限公司 | Stainless steel electric heater for passenger car |
| CN105650854A (en) * | 2016-03-23 | 2016-06-08 | 陈朋 | Circular heating pipe |
| CN105757814A (en) * | 2016-03-23 | 2016-07-13 | 陈朋 | Cooling and heating integrated air conditioner |
| CN106091358A (en) * | 2016-07-25 | 2016-11-09 | 东莞中子科学中心 | A kind of heater for cryogen and application thereof |
| CN109429381A (en) * | 2017-08-24 | 2019-03-05 | 江苏威能电气有限公司 | A kind of high thermal conductivity rotatable heater housing |
| CN110671812A (en) * | 2019-11-14 | 2020-01-10 | 东莞珂洛赫慕电子材料科技有限公司 | Instant heating type double-power heating module |
-
2009
- 2009-01-20 CN CN200910028428A patent/CN101782269A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620423A (en) * | 2012-04-19 | 2012-08-01 | 江苏中国科学院能源动力研究中心 | Pressurized packed bed gas electric heater and usage thereof |
| CN103442466A (en) * | 2013-05-31 | 2013-12-11 | 镇江天信电器有限公司 | Stainless steel electric heater for passenger car |
| CN105650854A (en) * | 2016-03-23 | 2016-06-08 | 陈朋 | Circular heating pipe |
| CN105757814A (en) * | 2016-03-23 | 2016-07-13 | 陈朋 | Cooling and heating integrated air conditioner |
| CN105757814B (en) * | 2016-03-23 | 2018-07-31 | 陈朋 | Cooling-heating integrated machine air-conditioning |
| CN105650854B (en) * | 2016-03-23 | 2018-09-25 | 陈朋 | Circulating-heating pipe |
| CN106091358A (en) * | 2016-07-25 | 2016-11-09 | 东莞中子科学中心 | A kind of heater for cryogen and application thereof |
| CN106091358B (en) * | 2016-07-25 | 2021-11-23 | 东莞中子科学中心 | Heater for low-temperature fluid and application thereof |
| CN109429381A (en) * | 2017-08-24 | 2019-03-05 | 江苏威能电气有限公司 | A kind of high thermal conductivity rotatable heater housing |
| CN110671812A (en) * | 2019-11-14 | 2020-01-10 | 东莞珂洛赫慕电子材料科技有限公司 | Instant heating type double-power heating module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100721 |