CN207083239U - Electric heater sealing structure - Google Patents
Electric heater sealing structure Download PDFInfo
- Publication number
- CN207083239U CN207083239U CN201720638721.4U CN201720638721U CN207083239U CN 207083239 U CN207083239 U CN 207083239U CN 201720638721 U CN201720638721 U CN 201720638721U CN 207083239 U CN207083239 U CN 207083239U
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- CN
- China
- Prior art keywords
- electric heating
- sleeve
- heating element
- seal
- insert seat
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of electric heater sealing structure, including electric heating tube, sleeve pipe, clamp nut, German-style metal lensring and seal sleeve, sleeve pipe includes the electric heating element pipe insert seat being connected, sleeve body, electric heating element pipe insert seat is located at the left end of sleeve body, external screw thread is welded with the left end outer wall of electric heating element pipe insert seat, sleeve body is welded and fixed with equipment barrel, seal sleeve is welded on the outside of electric heating tube and threading, electric heating tube sequentially passes through seal sleeve, sleeve pipe stretches into device interior, the outside of seal sleeve is provided with wedge-shaped protrusion, space is left in wedge-shaped protrusion and the end of electric heating element pipe insert seat, space uses seal with metal lens ring, electric heating element pipe insert seat is connected by external screw thread with clamp nut, seal sleeve is locked on electric heating tube by the left end of clamp nut.By being equipped with for seal sleeve, German-style metal lensring, clamp nut and sleeve pipe, the preferable sealing reached is simple in construction.
Description
Technical field
It the utility model is related to electric heater sealing structure.
Background technology
Solar energy hot-cast socket is one of important Land use systems of solar energy, converts the solar into the solar energy pot of heat energy
Stove daily life with it is commonly used in industrial production.At present, domestic and international solar energy thermal-power-generating station is generally using high warm
Carrier (including fused salt, conduction oil, concrete etc. are several) is used as its heat-storage medium, and it possesses following advantage：1st, high-temperature heat carrier
Side substantially belongs to relatively thin without pressure operation, part wall thickness；2nd, without phase transformation, thermal capacitance is big, bears higher thermal current density；3rd, fluid properties compared with
Height, improve efficiency of plant；4th, system heat transfer, heat accumulation can share same working medium, simplify system etc..Therefore, it is made in solar heat
Power field is widely used.
But in actual production process, if the condensate temperature into preheater is too low, easily cause forewarmer heat exchange tube
Interior high-temperature heat carrier produces solidification, so as to cause whole electricity generation system not work.General pre-heating system configuration electric heater
Heating feedwater meets system needs, and the factor for influenceing electric heater heating feedwater is the sealing property of electric heater in itself, such as
Sealing property does not reach standard, then the problem of influencing whether to heat to condensed water.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is that providing a kind of simple in construction, good sealing effect does not influence
The electric heater sealing structure of condensed water heating problems.
In order to reach object above, the technical solution adopted in the utility model is：A kind of electric heater sealing structure, including
Electric heating tube, sleeve pipe, clamp nut, German-style metal lensring and seal sleeve, described sleeve pipe include be connected electric heating element pipe insert seat,
Sleeve body, the electric heating element pipe insert seat are located at the left end of sleeve body, on the left end outer wall of the electric heating element pipe insert seat
External screw thread is welded with, described sleeve pipe body is welded and fixed with equipment barrel, and the seal sleeve is welded on the outside of electric heating tube
And threading, the electric heating tube sequentially passes through seal sleeve, sleeve pipe stretches into device interior, and the outside of the seal sleeve is set
Wedge-shaped protrusion is equipped with, space is left in the wedge-shaped protrusion and the end of electric heating element pipe insert seat, and the space uses the lens
Pad sealing, the electric heating element pipe insert seat are connected by external screw thread with the clamp nut, and the left end of the clamp nut will be close
Big envelope cylinder is locked on electric heating tube.The beneficial effect of the utility model electric heater sealing structure is, by seal sleeve, thoroughly
Mirror pad, clamp nut and sleeve pipe are equipped with, and have reached preferable sealing effectiveness, simple in construction.
Preferably, it is provided with seal between the right-hand member and electric heating tube of described sleeve pipe.Further enhance sealing effectiveness.
Preferably, the axial cross section of the German-style metal lensring is trapezoidal, and the thickness of the side wall of the German-style metal lensring inner radius is more than outer
The thickness of side wall at footpath.This kind of structure, clamp nut is when compressing seal sleeve, moreover it is possible to which German-style metal lensring is pressed on into seal sleeve
On.
Preferably, the junction between the electric heating element pipe insert seat and sleeve body is provided with sealing ring, the sealing
The axial cross section of circle is in sector.Further enhance sealing effectiveness.
Preferably, the left end of the seal sleeve stretches out the clamp nut.
Brief description of the drawings
Fig. 1 is the sectional view of the present embodiment；
Fig. 2 is the front view of electric heating tube in the present embodiment；
Fig. 3 is the axial sectional view of the German-style metal lensring in the present embodiment；
Fig. 4 is the axial sectional view of the sleeve pipe in the present embodiment.
In figure：
1- seal sleeves；11- wedge-shaped protrusions；2- German-style metal lensrings；3- clamp nuts；4- sleeve pipes；41- electric heating element pipe insert seats；
42- external screw threads；43- sleeve bodies；5- electric heating tubes；6- seals；7- sealing rings.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Referring to shown in accompanying drawing 1-4, a kind of electric heater sealing structure in the present embodiment, including electric heating tube 5, in addition to
Sleeve pipe 4, clamp nut 3, German-style metal lensring 2 and seal sleeve 1, sleeve pipe 4 include electric heating element pipe insert seat 41, the sleeve pipe sheet being connected
Body 43, electric heating element pipe insert seat 41 is located at the left end of sleeve body 43, between electric heating element pipe insert seat 41 and sleeve body 43
Junction is provided with sealing ring 7, and the axial cross section of sealing ring 7 is in sector；Welded on the left end outer wall of electric heating element pipe insert seat 41
There is external screw thread 42, to connect clamp nut 3, sleeve body 43 is welded and fixed with equipment barrel, and seal sleeve 1 is welded on electricity and added
The outside of heat pipe 5 and threading 4, are provided with seal 6, electric heating tube 5 is successively between the right-hand member and electric heating tube 5 of sleeve pipe 4
Stretch into device interior through seal sleeve 1, sleeve pipe 4, the outside of seal sleeve 1 is provided with wedge-shaped protrusion 11, wedge-shaped protrusion 11 with
Space is left in the end of electric heating element pipe insert seat 41, and space is sealed using German-style metal lensring 2, and the axial cross section of German-style metal lensring 2 is trapezoidal, thoroughly
Mirror pad 2 inner radius side wall thickness be more than outer radius side wall thickness, electric heating element pipe insert seat 41 by external screw thread 42 with
Clamp nut 3 is connected, and seal sleeve 1 is locked on electric heating tube 5 by the left end of clamp nut 3, and the left end of seal sleeve 1 stretches out
Clamp nut 3.
For embodiment of above only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with this skill
The people of art understands content of the present utility model and is simultaneously carried out, and can not limit the scope of protection of the utility model with this, all
The equivalent change or modification done according to the utility model Spirit Essence, it should all cover in the scope of protection of the utility model.
Claims (5)
1. a kind of electric heater sealing structure, including electric heating tube (5), it is characterised in that：Also include sleeve pipe (4), clamp nut
(3), German-style metal lensring (2) and seal sleeve (1), described sleeve pipe (4) include electric heating element pipe insert seat (41), the sleeve pipe sheet being connected
Body (43), the electric heating element pipe insert seat (41) are located at the left end of sleeve body (43), the electric heating element pipe insert seat (41)
External screw thread (42) is welded with left end outer wall, described sleeve pipe body (43) is welded and fixed with equipment barrel, the seal sleeve (1)
The outside of electric heating tube (5) and threading (4) are welded on, the electric heating tube (5) sequentially passes through seal sleeve (1), sleeve pipe
(4) device interior is stretched into, the outside of the seal sleeve (1) is provided with wedge-shaped protrusion (11), the wedge-shaped protrusion (11) and electricity
Space is left in the end of thermal element pipe insert seat (41), and the space is sealed using the German-style metal lensring (2), and the electric heating element pipe is inserted
Seat (41) is connected by external screw thread (42) with the clamp nut (3), and the left end of the clamp nut (3) is by seal sleeve (1)
It is locked on electric heating tube (5).
2. electric heater sealing structure according to claim 1, it is characterised in that：The right-hand member of described sleeve pipe (4) adds with electricity
Seal (6) is provided between heat pipe (5).
3. electric heater sealing structure according to claim 1, it is characterised in that：The axial cross section of the German-style metal lensring (2)
Trapezoidal, the thickness of the side wall of German-style metal lensring (2) inner radius is more than the thickness of the side wall of outer radius.
4. electric heater sealing structure according to claim 1, it is characterised in that：The electric heating element pipe insert seat (41) with
Junction between sleeve body (43) is provided with sealing ring (7), and the axial cross section of the sealing ring (7) is in sector.
5. electric heater sealing structure according to claim 1, it is characterised in that：The left end of the seal sleeve (1) is stretched
Go out the clamp nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720638721.4U CN207083239U (en) | 2017-06-02 | 2017-06-02 | Electric heater sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720638721.4U CN207083239U (en) | 2017-06-02 | 2017-06-02 | Electric heater sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207083239U true CN207083239U (en) | 2018-03-09 |
Family
ID=61436811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720638721.4U Expired - Fee Related CN207083239U (en) | 2017-06-02 | 2017-06-02 | Electric heater sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207083239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762597A (en) * | 2019-01-31 | 2020-02-07 | 山东大学 | Carbon thermal infrared electric heating device |
| CN111879004A (en) * | 2020-08-25 | 2020-11-03 | 镇江裕太防爆电加热器有限公司 | Electric heater for sealing sulfur-containing gas |
-
2017
- 2017-06-02 CN CN201720638721.4U patent/CN207083239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762597A (en) * | 2019-01-31 | 2020-02-07 | 山东大学 | Carbon thermal infrared electric heating device |
| CN110762597B (en) * | 2019-01-31 | 2021-03-23 | 山东大学 | A carbon thermal infrared electric heating device |
| CN111879004A (en) * | 2020-08-25 | 2020-11-03 | 镇江裕太防爆电加热器有限公司 | Electric heater for sealing sulfur-containing gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20210602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |