CN208075324U - A kind of corrosive gas electric heater - Google Patents
A kind of corrosive gas electric heater Download PDFInfo
- Publication number
- CN208075324U CN208075324U CN201820491454.7U CN201820491454U CN208075324U CN 208075324 U CN208075324 U CN 208075324U CN 201820491454 U CN201820491454 U CN 201820491454U CN 208075324 U CN208075324 U CN 208075324U
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- flange
- electric heating
- tube sheet
- heating tube
- heat dissipation
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Abstract
The utility model is related to a kind of corrosive gas electric heaters,Including electric heating tube,The cartridge heater of the first tube sheet flange and one end open that flange hole is adapted to electric heating tube,It is provided with gas feed and gas vent on the cartridge heater,Gas enters from gas feed after cartridge heater heating to be discharged from gas vent,The one side of first tube sheet flange is fitted to the opening of cartridge heater,Electric heating tube top passes through the flange hole of the first tube sheet flange and stretches into cartridge heater to be heated to the gas in it,And it is also equipped with heat dissipation sleeve on the another side of the first tube sheet flange,Radiating sleeve jacket casing radiates outside electric heating tube and protects electric heating tube,With this configuration,First tube sheet flange is able to heat gas isolation outside heat dissipation sleeve,Heat gas can not penetrate into radiating area and cooling and with heat dissipation sleeve in condensed water mix generation corrosive liquid,Thus electric heating tube and cartridge heater will not be corroded,Avoid equipment corrosion cracking,Improve the service life of equipment.
Description
Technical field
The utility model belongs to electric heater technical field, more particularly to a kind of corrosive gas electric heater.
Background technology
Electric heater is that a kind of general equipment is widely used in chemical industry, and every electricity of common gases electric heater adds
It is cased with a heat dissipation casing outside heat pipe, the major part of the root heating tube is stretched into heating zone, to heat in the heating zone
Gas.And the heating tube some outer be cased with radiating sleeve pipe and exposure is in direct contact with air to dissipate in air
Heat, in this way, the heat dissipation casing of the part is inside and outside and axial there are temperature difference, the vapor in heat gas and air can be
Condensed water is condensed on radiating sleeve tube wall, when heating the gas containing corrosion composition, corrosion composition can be mixed with condensed water
Corrosive liquid is generated, to generate corrosion to heat dissipation casing, aggravates tube body stress corrosion cracking, gas leakage influences equipment peace
It entirely uses.
Then, it is a kind of can be left to avoid heat gas heating zone and enter radiating area corrosive gas electric heater urgently
It is to appear.
Utility model content
The utility model provides a kind of corrosive gas electric heater, is added by the way that electric heating tube, flange hole and electricity is arranged
First tube sheet flange of heat pipe adaptation and the cartridge heater of one end open, are provided with gas feed and gas vent on cartridge heater,
Corrosive gas enters from gas feed after cartridge heater heating to be discharged from gas vent, the one side cooperation peace of the first tube sheet flange
Mounted in the opening of cartridge heater, electric heating tube top passes through the flange hole of the first tube sheet flange and stretches into cartridge heater to it
Interior gas heating, and heat dissipation sleeve is also equipped on the another side of the first tube sheet flange, radiating sleeve jacket casing adds in electricity
Heat pipe is outer to radiate and protect electric heating tube, and with this configuration, the first tube sheet flange is able to radiating heat gas isolation
Outside sleeve, heat gas can not penetrate into radiating area and cooling and with heat dissipation sleeve in condensed water mix generation corrosive liquid, thus
Electric heating tube and cartridge heater will not be corroded, and equipment corrosion cracking is avoided, and improve the service life of equipment.
The utility model is achieved through the following technical solutions：A kind of corrosive gas electric heater, including electric heating tube, method
The cartridge heater of the first tube sheet flange and one end open that flange aperture is adapted to the electric heating tube is provided with gas on the cartridge heater
The one side of body import and gas vent, the first tube sheet flange is fitted to the opening of the cartridge heater, the electricity
Heating tube top passes through the flange hole of the first tube sheet flange and stretches into the cartridge heater, further includes heat dissipation sleeve, described
One end of heat dissipation sleeve is connected on the another side of the first tube sheet flange and is placed on outside the electric heating tube.
Further, further include the second tube sheet flange, the second tube sheet flange in order to preferably realize the utility model
It is connected to the other end of the heat dissipation sleeve, the tail end of the electric heating tube is plugged in the flange hole of the second tube sheet flange
It is interior.
Further, in order to preferably realize the utility model, the method for the electric heating tube and the first tube sheet flange
The flange hole hole wall of flange aperture hole wall and the second tube sheet flange is sealed by fillet welding.
Further, in order to the utility model, the first tube sheet flange and the second tube sheet flange is better achieved
It is welded on the heat dissipation sleeve and between the first tube sheet flange, the second tube sheet flange and the heat dissipation sleeve
Form enclosure space.
Further, in order to the utility model is better achieved, be provided with and communicated on the heat dissipation sleeve inlet flange and
Exhaust flange.
Further, in order to which the utility model is better achieved, the inlet flange is arranged in the upper of the heat dissipation sleeve
On barrel, the exhaust flange is arranged on the lower barrel of the heat dissipation sleeve.
Further, in order to which the utility model is better achieved, be provided in the cartridge heater be used to support it is described electricity plus
The fixed plate of heat pipe, the through-hole being adapted to the electric heating tube is provided in the fixed plate, and the electric heating tube coordinates grafting
On the through-hole.
Further, in order to which the utility model is better achieved, the electric heating tube is U-shaped electric heating tube.
Further, further include explosion-proof wiring box in order to which the utility model is better achieved, the explosion-proof wiring box setting
On the second tube sheet flange, the electric heating tube is electrically connected on the explosion-proof wiring box.
Further, in order to which the utility model is better achieved, the heat dissipation sleeve is made of carbon steel material.
The utility model has the advantages that compared to the prior art：
(1) the utility model by be arranged the first tube sheet flange that electric heating tube, flange hole are adapted to electric heating tube and
The cartridge heater of one end open, is provided with gas feed and gas vent on cartridge heater, corrosive gas enter from gas feed plus
It is discharged from gas vent after hot cylinder heating, the one side of the first tube sheet flange is fitted to the opening of cartridge heater, electrical heating
Tube top end passes through the flange hole of the first tube sheet flange and stretches into be heated to the gas in it in cartridge heater, and in the first pipe
Heat dissipation sleeve is also equipped on the another side of plate flange, radiating sleeve jacket casing radiates outside electric heating tube and protects electrical heating
Pipe, with this configuration, the first tube sheet flange are able to by heat gas isolation outside heat dissipation sleeve, and heat gas can not penetrate into heat dissipation
Area is cooling and mixes generation corrosive liquid with the condensed water in heat dissipation sleeve, thus electric heating tube and cartridge heater will not be by corruption
Erosion, avoids equipment corrosion cracking, improves the service life of equipment so that the utility model has stronger practicability；
(2) other end of the heat dissipation sleeve in the utility model is connected with the second tube sheet flange, and the tail end of electric heating tube is inserted
It is connected in the flange hole of the second tube sheet flange, to support electric heating tube fixation, and due to the both ends for the sleeve that radiates
Respectively with the first tube sheet flange and the second tube sheet flanged joint, so as to reduce because of the first tube sheet flange and the second tube sheet flange
The tensile stress that both ends gravity generates electric heating tube prevents electric heating tube deformed in tension, to improve the utility model
Practicability；
(3) the flange hole hole wall and the second tube sheet flange of the electric heating tube in the utility model and the first tube sheet flange
Flange hole hole wall is sealed by fillet welding, and the corrosive gas in cartridge heater can be further prevented to dissipate and spilt in heat dissipation sleeve, from
And the cooling generation corrosive liquid in heat dissipation sleeve is avoided, the anticorrosive property of the utility model is further improved, and then improve
The practicability of the utility model；
(4) the heat dissipation sleeve in the utility model and the first tube sheet flange and the second tube sheet flange are by being welded to connect
Confined space, then connection setting inlet flange and exhaust flange on heat dissipation sleeve are formed together and between three, and are limited
Determine inlet flange to be arranged on the upper barrel of heat dissipation sleeve, exhaust flange is arranged on the lower barrel of heat dissipation sleeve, when there is corrosion
Property gas dissipate spill over heat dissipation sleeve in when, by from inlet flange be filled with nitrogen and from exhaust flange be discharged, to will dissipate it is excessive
Corrosive gas cements out, and prevents the generation corrosive liquid in heat dissipation sleeve from causing damages to equipment, further improves this
The practicability of utility model；
(5) fixed plate is provided in the cartridge heater in the utility model, fixed plate is logical equipped with what is be adapted to electric heating tube
Electric heating tube is plugged on through-hole by hole, to which one section of electric heating tube for stretching into cartridge heater is supported and be fixed, avoids electricity
Heating tube causes it to heat uneven or fracture in cartridge heater because self gravitation effect tilts down bending, to improve
The practicability of the utility model limits the electric heating tube as U-shaped electric heating tube, and the efficiency of heating surface is high, is suitable for various corrosion
The heating of property gas.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the corrosive gas electric heater in the utility model.
In figure：
1- electric heating tubes；2- the first tube sheet flanges；3- cartridge heaters；4- heat dissipation sleeves；5- the second tube sheet flanges；6- air inlet methods
It is blue；7- exhaust flanges；8- fixed plates；9- explosion-proof wiring boxes.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Upper and lower in the present embodiment be subject to it is upper and lower shown in attached drawing 1, specifically, top shown in attached drawing 1
To be upper, under lower section shown in attached drawing 1 is；In addition, the tail end of the electric heating tube described in the present embodiment is to be provided with the electricity
The top of one end of heating tube electrical terminals, the electric heating tube is one end far from the electric heating tube connecting terminal.
Embodiment 1：
In the present embodiment, a kind of corrosive gas electric heater, as shown in Figure 1, including electric heating tube 1, flange hole with it is upper
State the first tube sheet flange 2 of the adaptation of electric heating tube 1 and the cartridge heater 3 of one end open, be provided on cartridge heater 3 gas feed and
Gas vent, corrosive gas to be heated enter from above-mentioned gas import and are discharged from gas vent, it is notable that this
Cartridge heater in embodiment belongs to the prior art as the gas container of gas heater in the prior art, Gu herein
No longer it is repeated in detail.Above-mentioned cartridge heater 3 is accommodating corrosive gas to be heated, above-mentioned first tube sheet flange 2
One side be fitted to the opening of above-mentioned cartridge heater 3, the top of above-mentioned electric heating tube 1 passes through above-mentioned first tube sheet flange
2 flange hole simultaneously stretches into be heated to the corrosive gas in above-mentioned cartridge heater 3 in above-mentioned cartridge heater 3, and upper
It states and is also equipped with heat dissipation sleeve 4 on the another side of the first tube sheet flange 2, above-mentioned heat dissipation sleeve 4 is placed on outside above-mentioned electric heating tube 1
To radiate and be protected to the electrical heating pipeline section of set in the inner, with this configuration, above-mentioned first tube sheet flange 2 is able to will be upper
The isolation of the corrosive gas to be heated in cartridge heater 3 is stated to cool down simultaneously to cannot be introduced into heat dissipation sleeve 4 except the sleeve 4 that radiates
It is mixed with the condensed water in above-mentioned heat dissipation sleeve 4 and generates corrosive liquid, thus electric heating tube and cartridge heater will not be corroded, and be kept away
Exempt from equipment to be corroded, improve the service life of equipment so that the utility model has certain practicability.Specifically, on
The open end for stating cartridge heater 3 is connect by bolt with the first tube sheet flange 2, it is preferable that rubber is arranged in the position of connection contact
Sealing ring.
Further, as shown in Figure 1, the other end in above-mentioned heat dissipation sleeve 4 is connected with the second tube sheet flange 5, above-mentioned electricity
The tail end of heating tube 1 is plugged in the flange hole of above-mentioned second tube sheet flange 5, since the top of above-mentioned electric heating tube 1 passes through simultaneously
It is plugged on the flange hole of above-mentioned first tube sheet flange 2, to make above-mentioned electric heating tube 1 be fixedly supported on above-mentioned heat dissipation sleeve 4
Interior, stabilized structure thermal diffusivity is good.Due to above-mentioned heat dissipation casing 4 both ends respectively with above-mentioned first tube sheet flange 2 and above-mentioned second
Tube sheet flange 5 connect, be made of carbon steel material preferably, limiting above-mentioned heat dissipation sleeve 4, increase its rigidity, to reduce because
The drawing that the both ends gravity of above-mentioned first tube sheet flange 2 and above-mentioned second tube sheet flange 5 generates above-mentioned electric heating tube 1 is answered
Power prevents 1 deformed in tension of above-mentioned electric heating tube, improves the practicability of the utility model.
Embodiment 2：
The present embodiment advanced optimizes on the basis of embodiment 2, in the present embodiment, as shown in Figure 1, above-mentioned electrical heating
Pipe 1 passes through fillet welding with the flange hole hole wall of above-mentioned first tube sheet flange 2 and the flange hole hole wall of above-mentioned second tube sheet flange 5
Sealing further prevents the corrosive gas in above-mentioned cartridge heater 3 to dissipate and spills in above-mentioned heat dissipation sleeve 4, it is avoided to be dissipated above-mentioned
Corrosive liquid is cooled down and generated in hot jacket cylinder 4 and corrosion and damage equipment.
The present embodiment, which is made, to be further improved, and above-mentioned heat dissipation sleeve 4 and above-mentioned first tube sheet flange 2 and above-mentioned second are limited
Tube sheet flange 5 is by being welded together and forming confined space between three, in addition, when the gas that is corrosive
It dissipates when spilling over the accident in above-mentioned heat dissipation sleeve 4, above structure can avoid dissipating the corrosive gas spilt in above-mentioned heat dissipation sleeve 4
It further dissipates to spill in air and pollute.
As advanced optimizing, it is also provided with and communicated with inlet flange 6 and exhaust flange 7 on above-mentioned heat dissipation sleeve 4, as
It is arranged on the upper barrel of above-mentioned heat dissipation sleeve 4 it is preferred that limiting above-mentioned inlet flange 6, the setting of above-mentioned exhaust flange 7 is dissipated above-mentioned
On the lower barrel of hot jacket cylinder 4, then, when corrosive gas, which dissipates, to be spilt in above-mentioned heat dissipation sleeve 4, by above-mentioned inlet flange
Specific gas is filled at 6 into above-mentioned radiating sleeve cylinder 4, and is discharged from above-mentioned exhaust flange 7, thus by above-mentioned heat dissipation sleeve 4
Interior gas all cements out, and avoids the generation corrosive liquid in above-mentioned heat dissipation sleeve 4 from causing damages equipment, as excellent
Choosing, limits the specific gas being filled with as nitrogen, of course, it is possible to select helium, above-mentioned nitrogen is filled with after above-mentioned heat dissipation sleeve 4 can be with
Top is floated on, as the nitrogen being filled with is more and more, so that the raw-gas for sinking to lower part can only be from above-mentioned exhaust flange 7
Discharge, and then the corrosive gas of dissipate is also all discharged, it protects equipment from further corrosion and damage, improves
The practicability of the utility model.
Embodiment 3：
The present embodiment advanced optimizes on the basis of embodiment 2, in the present embodiment, is provided in above-mentioned cartridge heater 3
Fixed plate 8, above-mentioned fixed plate 8 are equipped with the through-hole being adapted to above-mentioned electric heating tube 1, above-mentioned electric heating tube 1 are plugged on through-hole
On, so as to which the electric heating tube 1 for stretching into above-mentioned cartridge heater 3 is supported and is fixed, avoid this section of electric heating tube 1 because of itself weight
Force effect tilts down bending and it is caused to heat uneven or even fracture in above-mentioned cartridge heater 3, preferably, the present embodiment
The middle above-mentioned electric heating tube 1 used is U-shaped electric heating tube, and the efficiency of heating surface of U-shaped electric heating tube is high, and fever is uniform, is suitable for each
The heating of kind corrosive gas.
Specifically, it is also tube sheet to limit the fixed plate 8, is not provided only with above-mentioned through-hole thereon, being additionally provided with can supply
The stomata that body passes through.
Embodiment 4：
The present embodiment advanced optimizes on the basis of embodiment 3, in the present embodiment, as shown in Figure 1, above-mentioned second
Explosion-proof wiring box 9 is additionally provided on tube sheet flange 5, above-mentioned electric heating tube 1 is electrically connected on above-mentioned explosion-proof wiring box 9, to anti-
Only spark has an impact live danger zone caused by line short, since above-mentioned explosion-proof wiring box 9 belongs to chemical industry
The very existing technology of field device, Gu this is no longer repeated.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of corrosive gas electric heater, it is characterised in that：It is adapted to the electric heating tube including electric heating tube, flange hole
The first tube sheet flange and one end open cartridge heater, be provided with gas feed and gas vent on the cartridge heater, it is described
The one side of first tube sheet flange is fitted to the opening of the cartridge heater, and the electric heating tube top passes through described first
The flange hole of tube sheet flange simultaneously stretches into the cartridge heater, further includes heat dissipation sleeve, and one end of the heat dissipation sleeve is connected to institute
It states on the another side of the first tube sheet flange and is placed on outside the electric heating tube.
2. a kind of corrosive gas electric heater according to claim 1, it is characterised in that：It further include the second tube sheet method
Orchid, for the second tube sheet flanged joint in the other end of the heat dissipation sleeve, the tail end of the electric heating tube is plugged in described the
In the flange hole of two tube sheet flanges.
3. a kind of corrosive gas electric heater according to claim 2, it is characterised in that：The electric heating tube with it is described
The flange hole hole wall of the flange hole hole wall of first tube sheet flange and the second tube sheet flange is sealed by fillet welding.
4. a kind of corrosive gas electric heater according to claim 3, it is characterised in that：The first tube sheet flange and
The second tube sheet flange be welded on the heat dissipation sleeve and in the first tube sheet flange, the second tube sheet flange and
Enclosure space is formed between the heat dissipation sleeve.
5. a kind of corrosive gas electric heater according to claim 4, it is characterised in that：It is connected on the heat dissipation sleeve
It is provided with inlet flange and exhaust flange.
6. a kind of corrosive gas electric heater according to claim 5, it is characterised in that：The inlet flange setting exists
On the upper barrel of the heat dissipation sleeve, the exhaust flange is arranged on the lower barrel of the heat dissipation sleeve.
7. a kind of corrosive gas electric heater according to any one of claim 1-6, it is characterised in that：It is described to add
It is provided with the fixed plate for being used to support the electric heating tube in hot cylinder, is provided in the fixed plate and is adapted to the electric heating tube
Through-hole, electric heating tube cooperation is plugged on the through-hole.
8. a kind of corrosive gas electric heater according to claim 7, it is characterised in that：The electric heating tube is U-shaped
Electric heating tube.
9. a kind of corrosive gas electric heater according to claim 2, it is characterised in that：Further include explosion-proof wiring box,
The explosion-proof wiring box is arranged on the second tube sheet flange, and the electric heating tube is electrically connected on the explosion-proof wiring box.
10. a kind of corrosive gas electric heater according to claim 1, it is characterised in that：The heat dissipation sleeve is by carbon
Steel material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491454.7U CN208075324U (en) | 2018-04-08 | 2018-04-08 | A kind of corrosive gas electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491454.7U CN208075324U (en) | 2018-04-08 | 2018-04-08 | A kind of corrosive gas electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208075324U true CN208075324U (en) | 2018-11-09 |
Family
ID=64043886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491454.7U Active CN208075324U (en) | 2018-04-08 | 2018-04-08 | A kind of corrosive gas electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208075324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379790A (en) * | 2018-11-19 | 2019-02-22 | 苏州奥德机械有限公司 | A kind of electric heater unit with long service life and preparation method thereof |
-
2018
- 2018-04-08 CN CN201820491454.7U patent/CN208075324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379790A (en) * | 2018-11-19 | 2019-02-22 | 苏州奥德机械有限公司 | A kind of electric heater unit with long service life and preparation method thereof |
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