CN103471228B - The electric heater of new structure - Google Patents
The electric heater of new structure Download PDFInfo
- Publication number
- CN103471228B CN103471228B CN201310450965.6A CN201310450965A CN103471228B CN 103471228 B CN103471228 B CN 103471228B CN 201310450965 A CN201310450965 A CN 201310450965A CN 103471228 B CN103471228 B CN 103471228B
- Authority
- CN
- China
- Prior art keywords
- tube sheet
- sleeve pipe
- cylindrical shell
- deflection plate
- millimeter
- 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
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Resistance Heating (AREA)
Abstract
The invention discloses the electric heater of a kind of new structure of electrical equipment, be made up of cylindrical shell, support, tube sheet, flat board, hanging support, adapter and Flange joint.The upper end of cylindrical shell connects a tube sheet by the method for welding, and the upper end of tube sheet connects a short circuit by the method for welding, and the upper end of short circuit is by Flange joint one tube sheet, and tube sheet is dull and stereotyped by many sleeve pipes connections one; Cylinder lumen is provided with pull bar vertically and sleeve pipe, pull bar outer cladding distance sink tube; The upper end of sleeve pipe is passed the through hole of tube sheet and adopts the method for welding to be fixedly connected with tube sheet, and its lower end is fixedly connected with deflection plate through the through hole of deflection plate, the bottom welding one sleeve pipe shrouding of sleeve pipe; Deflection plate is that level is put and is fixedly connected with cylinder inboard wall, this deflection plate by multiple be that perpendicular bisected, both sides interlock symmetry arrangement in cylindrical shell.The present invention have rational in infrastructure, the efficiency of heating surface is high, structural strength is high, long service life, material are economized, low, the good heat insulating of cost and the advantage such as easy to maintenance.
Description
Technical field
The present invention relates to a kind of electric equipment, more particularly, the present invention relates to a kind of intensity high, save that material, airtight performance are good, the electric heater of excellent thermal insulation performance and new structure easy to maintenance.
Background technology
The flange of prior art electric heater was originally arranged on the lower end that fused salt adds entrance, very inconvenient when installation, maintenance.Heating jacket tube hydroforming adopts and is threaded, and it is poor that first this method of attachment exists seal, causes the heat insulation effect of heater also poor; Secondly, the structural strength of heating jacket tube hydroforming is lower, causes heater in use easily to produce fault, causes the rise of maintenance cost, increases the weight of the operating cost of enterprise.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of intensity high, save that material, airtight performance are good, the electric heater of excellent thermal insulation performance and new structure easy to maintenance.
The object of the invention is to be achieved through the following technical solutions:
An electric heater for new structure, is made up of cylindrical shell, support, tube sheet, flat board, hanging support, adapter and Flange joint.The upper end of described cylindrical shell connects a tube sheet by the method for welding, the upper end of described tube sheet connects a short circuit by the method for welding, the outer ring of described tube sheet is two inclined-planes up and down of the tapered shape in cross section, the port inclined-plane that all little outer ring is large in inner ring of described cylindrical shell and short circuit, the angle that two inclined-planes up and down of this inclined-plane and tube sheet outer ring are formed is solder joint, and its top of the horn is chamfering; The upper end of described short circuit, by Flange joint one tube sheet, is provided with pad between flange and tube sheet, and described tube sheet connects a flat board by many sleeve pipes; The side of described short circuit connects acclivitous adapter and a flange; The side of described cylindrical shell is respectively equipped with adapter and flange at nearly tube sheet place and nearly bottom, the middle part of cylindrical shell is provided with hanging support, nameplate and support, described hanging support is provided with earth plate, the end face of cylinder body bottom is provided with low head, the central vertical of described low head connects adapter and a flange, described cylinder lumen is provided with pull bar vertically and sleeve pipe, described pull bar outer cladding distance sink tube; The upper end of described sleeve pipe is passed the through hole of tube sheet and adopts the method for welding to be fixedly connected with tube sheet, and its lower end is fixedly connected with deflection plate through the through hole of deflection plate, the bottom welding one sleeve pipe shrouding of sleeve pipe; Described deflection plate is that level storing is fixedly connected with cylinder inboard wall, this deflection plate by multiple symmetry arrangement of interlocking in perpendicular bisected, both sides in cylindrical shell, described distance sink tube is fixedly connected with the screw of tube sheet through the screw thread of upper end after the through hole of deflection plate, lower end be thread through the through hole of bottom deflection plate after fix with nut.
Object of the present invention can also be achieved through the following technical solutions:
The equal chamfering in two ends up and down of described tube sheet through hole, the chamfering of its upper end and the outer wall shape angle at 45 ° of sleeve pipe, the chamfering of lower end and the outer wall of sleeve pipe form 30 ° of angles, and the solder joint of upper end is triangular in shape, the solder joint of lower end is trapezoidal.The tie point of described sleeve bottom and sleeve pipe shrouding is provided with the gap of 1 millimeter, the port of its outer end is 60 ° of chamferings, and this gap and chamfering are solder joint.
The angle that the angle of described tube sheet ramp and shorted end interruption-forming and tube sheet lower inclined plane and barrel port are formed is 60 °, and described tube sheet upper surface and short circuit are provided with the gap of 1 mm wide, 3 millimeters deep, and the thickness bottom its solder joint is 2 millimeters; Described tube sheet lower surface and cylindrical shell are provided with the gap of 1 mm wide, 5 millimeters deep, and the thickness bottom its solder joint is 5 millimeters.The outer ring of described short circuit and the inner ring node of flange are for being welded and fixed.The sealing surface of described tube sheet and axes normal, its perpendicularity allowable error is 0.03 millimeter; Pore upright opening tube plate sealing face, its perpendicularity allowable error is 0.1 millimeter; After drilling of tubesheet, the bridge width of >=96% must not be less than 5.89 millimeters, the bridge of≤4%, and the minimum of a value of its bridge width is 3.48 millimeters; The two stud bolt hole chord length allowable errors that stud bolt hole center circle diameter is adjacent are positive and negative 0.6 millimeter, and any two stud bolt hole chord length allowable tolerances are positive and negative 1 millimeter.The flatness of described deflection plate, its allowable error 3 millimeters; Adjacent holes centre distance limit deviation is positive and negative 0.3 millimeter; The adjacent holes centre distance limit deviation allowing 4% is positive and negative 0.5 millimeter; The limit deviation of any holes is positive and negative 1 millimeter; The burr of pore periphery is removed after boring.
Compared with prior art, the present invention has following beneficial effect:
1. structure is more scientific and reasonable, and the efficiency of heating surface significantly improves;
2. structural strength is high, improves the service life of product;
3. save material, reduce production cost;
4. there is better seal and heat-insulating property;
5. easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the electric heater schematic diagram of new structure;
Fig. 2 is the electric heater A position enlarged diagram of new structure;
Fig. 3 is the electric heater B position enlarged diagram of new structure;
Fig. 4 is the electric heater C position enlarged diagram of new structure.
In figure: flange 1-1,1-2,1-3,1-4, adapter 2-1,2-2,2-3,2-4, low head 3, pull bar 4, cylindrical shell 5, deflection plate 6, nameplate and support 7, earth plate 8, distance sink tube 9, tube sheet 10-1,10-2, short circuit 11, sleeve pipe 12-1,12-2, dull and stereotyped 13, hanging support 14, nut 15, sleeve pipe shrouding 16, pad 17, solder joint 18.
Detailed description of the invention
Below in conjunction with accompanying drawing, essentiality content of the present invention is described in further detail:
As shown in Figure 1: a kind of electric heater of new structure, connected and composed by cylindrical shell 5, support 7, tube sheet 10-1,10-2, flat board 13, hanging support 14, adapter 2-1,2-2,2-3,2-4 and flange 1-1,1-2,1-3,1-4.The upper end of cylindrical shell 5 connects a tube sheet 10-1 by the method for welding, the upper end of tube sheet 10-1 connects a short circuit 11 by the method for welding, the outer ring of tube sheet 10-1 is two inclined-planes (see Fig. 2) up and down of the tapered shape in cross section, the port inclined-plane that all little outer ring is large in inner ring of cylindrical shell 5 and short circuit 11, the angle that two inclined-planes up and down of this inclined-plane and tube sheet 10-1 outer ring are formed is solder joint 18, its the top of the horn is chamfering, make solder joint 18 have three solders side, add the intensity that tube sheet 10-1 is connected with cylindrical shell 5 and short circuit 11.The upper end of short circuit 11 connects a tube sheet 10-2 by flange 1-5, is provided with pad 17 between flange 1-5 and tube sheet 10-2, improves the seal that short circuit 11 is connected with tube sheet 10-2.Tube sheet 10-2 connects a flat board 13 by many sleeve pipe 12-1; The side of short circuit 11 connects an acclivitous adapter 2-1 and flange 1-4, and this adapter 2-1 is that fused salt adds entrance.The side of cylindrical shell 5 is respectively equipped with adapter 2-2,2-3 and flange 1-2,1-3 at nearly tube sheet 10-1 place and nearly bottom, the middle part of cylindrical shell 5 is provided with hanging support 14, nameplate and support 7, hanging support 14 is provided with earth plate 8, end face bottom cylindrical shell 5 is provided with low head 3, and the central vertical of low head 3 connects an adapter 2-1 and flange 1-1.Cylindrical shell 5 inner chamber is provided with pull bar 4 vertically and sleeve pipe 12-2, pull bar 4 outer cladding distance sink tube 9.The upper end of sleeve pipe 12-2 is passed the through hole of tube sheet 10-1 and adopts the method for welding to be fixedly connected with tube sheet 10-1, and its lower end is fixedly connected with deflection plate 6 through the through hole of deflection plate 6.The equal chamfering in two ends up and down of tube sheet 10-1 through hole, the chamfering of its upper end and the outer wall shape angle at 45 ° of sleeve pipe 12-2, the chamfering of lower end and the outer wall of sleeve pipe 12-2 form 30 ° of angles, and the solder joint 18 of upper end is triangular in shape, the solder joint of lower end 18 is trapezoidal (see Fig. 3).The bottom welding one sleeve pipe shrouding 16 of sleeve pipe 12-2, be provided with the gap of 1 millimeter with the pad of sleeve pipe shrouding 16 bottom sleeve pipe 12-2, the port of its outer end is 60 ° of chamferings, this gap and chamfering are that solder joint 18(is see Fig. 4).The sleeve pipe 12-2 of the electric heater of prior art adopts with tube sheet 10-1 and is threaded, and the method for now using welding instead connects, and the sealing that sleeve pipe 12-2 is connected with tube sheet 10-1 and intensity are further improved.Deflection plate 6 is put in level and is fixedly connected with cylindrical shell 5 inwall, this deflection plate 6 by multiple in cylindrical shell 5 in perpendicular bisected, both sides interlock symmetry arrangement, distance sink tube 9 is fixedly connected with the screw of tube sheet 10-1 through the screw thread of upper end after the through hole of deflection plate 6, lower end be thread through the through hole of bottom deflection plate 6 after fixing with nut 15.The angle that the angle that tube sheet 10-1 ramp and short circuit 11 port are formed and tube sheet 10-1 lower inclined plane and cylindrical shell 5 port are formed is 60 °, and tube sheet 10-1 upper surface and short circuit are provided with the gap of 1 mm wide, 3 millimeters deep, and the thickness bottom its solder joint 18 is 2 millimeters; Tube sheet 10-1 lower surface and cylindrical shell 5 are provided with the gap of 1 mm wide, 5 millimeters deep, and the thickness bottom its solder joint 18 is 5 millimeters.The outer ring of short circuit 11 and the inner ring node of flange 1-5 are for being welded and fixed.The sealing surface of tube sheet 10-2 and axes normal, its perpendicularity allowable error is 0.03 millimeter; Pore upright opening tube sheet 10-2 sealing surface, its perpendicularity allowable error is 0.1 millimeter; After tube sheet 10-2 holes, the bridge width of >=96% must not be less than 5.89 millimeters, the bridge of≤4%, and the minimum of a value of its bridge width is 3.48 millimeters; The two stud bolt hole chord length allowable errors that stud bolt hole center circle diameter is adjacent are positive and negative 0.6 millimeter, and any two stud bolt hole chord length allowable tolerances are positive and negative 1 millimeter.The flatness of deflection plate 6, its allowable error 3 millimeters; Adjacent holes centre distance limit deviation is positive and negative 0.3 millimeter; The adjacent holes centre distance limit deviation allowing 4% is positive and negative 0.5 millimeter; The limit deviation of any holes is positive and negative 1 millimeter; The burr of pore periphery is removed after boring.
Claims (7)
1. the electric heater of a new structure, be made up of cylindrical shell, support, tube sheet, flat board, hanging support, adapter and Flange joint, it is characterized in that: the upper end of described cylindrical shell connects the first tube sheet by the method for welding, the upper end of described tube sheet connects a short circuit by the method for welding, the outer ring of described tube sheet is two inclined-planes up and down of the tapered shape in cross section, the port inclined-plane that all little outer ring is large in inner ring of described cylindrical shell and short circuit, the angle that two inclined-planes up and down of this inclined-plane and tube sheet outer ring are formed is solder joint, and its top of the horn is chamfering; The upper end of described short circuit, by Flange joint second tube sheet, is provided with pad between flange and the second tube sheet, and the second described tube sheet connects a flat board by many sleeve pipes; The side of described short circuit connects acclivitous adapter and a flange; The side of described cylindrical shell is respectively equipped with adapter and flange at nearly tube sheet place and nearly bottom, the middle part of cylindrical shell is provided with hanging support, nameplate and support, described hanging support is provided with earth plate, the end face of cylinder body bottom is provided with low head, the central vertical of described low head connects adapter and a flange, described cylinder lumen is provided with pull bar vertically and sleeve pipe, described pull bar outer cladding distance sink tube; The upper end of described sleeve pipe is passed the through hole of the first tube sheet and adopts the method for welding to be fixedly connected with the first tube sheet, and its lower end is fixedly connected with deflection plate through the through hole of deflection plate, the bottom welding one sleeve pipe shrouding of sleeve pipe; Described deflection plate is that level storing is fixedly connected with cylinder inboard wall, this deflection plate has multiple symmetry arrangement of interlocking in perpendicular bisected, both sides in cylindrical shell, described distance sink tube is fixedly connected with the screw of the first tube sheet through the screw thread of upper end after the through hole of deflection plate, lower end be thread through the through hole of bottom deflection plate after fix with nut.
2. the electric heater of new structure according to claim 1, it is characterized in that: the equal chamfering in two ends up and down of described first tube sheet through hole, the chamfering of its upper end and the outer wall shape angle at 45 ° of sleeve pipe, the chamfering of lower end and the outer wall of sleeve pipe form 30 ° of angles, and the solder joint of upper end is triangular in shape, the solder joint of lower end is trapezoidal.
3. the electric heater of new structure according to claim 1, is characterized in that: the tie point of described sleeve bottom and sleeve pipe shrouding is provided with the gap of 1 millimeter, the port of its outer end is 60 ° of chamferings, and this gap and chamfering are solder joint.
4. the electric heater of new structure according to claim 1, it is characterized in that: the angle that the angle of described first tube sheet ramp and shorted end interruption-forming and the first tube sheet lower inclined plane and barrel port are formed is 60 °, described first tube sheet upper surface and short circuit are provided with the gap of 1 mm wide, 3 millimeters deep, and the thickness bottom its solder joint is 2 millimeters; Described first tube sheet lower surface and cylindrical shell are provided with the gap of 1 mm wide, 5 millimeters deep, and the thickness bottom its solder joint is 5 millimeters.
5. the electric heater of new structure according to claim 1, is characterized in that: the outer ring of described short circuit and the inner ring node of flange are for being welded and fixed.
6. the electric heater of new structure according to claim 1, is characterized in that: the sealing surface of described second tube sheet and axes normal, and its perpendicularity allowable error is 0.03 millimeter; Vertical second tube plate sealing face of pore, its perpendicularity allowable error is 0.1 millimeter; After second drilling of tubesheet, the bridge width of >=96% must not be less than 5.89 millimeters, the bridge of≤4%, and the minimum of a value of its bridge width is 3.48 millimeters; The two stud bolt hole chord length allowable errors that stud bolt hole center circle diameter is adjacent are positive and negative 0.6 millimeter, and any two stud bolt hole chord length allowable tolerances are positive and negative 1 millimeter.
7. the electric heater of new structure according to claim 1, is characterized in that: the allowable error of the flatness of described deflection plate is 3 millimeters; Adjacent holes centre distance limit deviation is positive and negative 0.3 millimeter; The adjacent holes centre distance limit deviation allowing 4% is positive and negative 0.5 millimeter; The limit deviation of any holes is positive and negative 1 millimeter; The burr of pore periphery is removed after boring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450965.6A CN103471228B (en) | 2013-09-29 | 2013-09-29 | The electric heater of new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450965.6A CN103471228B (en) | 2013-09-29 | 2013-09-29 | The electric heater of new structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103471228A CN103471228A (en) | 2013-12-25 |
| CN103471228B true CN103471228B (en) | 2016-01-20 |
Family
ID=49796190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310450965.6A Active CN103471228B (en) | 2013-09-29 | 2013-09-29 | The electric heater of new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103471228B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1226456A (en) * | 1959-01-14 | 1960-07-13 | evaporator and boiler, in particular to exploit the heat released by nuclear reactors | |
| GB956129A (en) * | 1962-04-06 | 1964-04-22 | Foster Wheeler Ltd | Improvements in and relating to tube bundles for heat exchangers, vapour generatorsand the like |
| SU1125460A1 (en) * | 1983-03-17 | 1984-11-23 | Конструкторское Бюро "Энергия" | Shell-and-tube heat exchanger |
| CN201449164U (en) * | 2009-07-13 | 2010-05-05 | 山东早春创尔沃热泵技术有限公司 | Uniform flow highly-efficient heat exchanger |
| CN201589061U (en) * | 2009-12-17 | 2010-09-22 | 乐山永祥硅业有限公司 | Liquid chlorine vaporizing device |
| CN201852496U (en) * | 2010-11-05 | 2011-06-01 | 西部金属材料股份有限公司 | Tantalum heater |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| CN202254239U (en) * | 2011-09-21 | 2012-05-30 | 南通新邦化工科技有限公司 | Electric heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6273180B1 (en) * | 1998-12-23 | 2001-08-14 | L'air Liquide, Societe Anonyme Pour L'etude Et L'eploitation Des Procedes Georges Claude | Heat exchanger for preheating an oxidizing gas |
-
2013
- 2013-09-29 CN CN201310450965.6A patent/CN103471228B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1226456A (en) * | 1959-01-14 | 1960-07-13 | evaporator and boiler, in particular to exploit the heat released by nuclear reactors | |
| GB956129A (en) * | 1962-04-06 | 1964-04-22 | Foster Wheeler Ltd | Improvements in and relating to tube bundles for heat exchangers, vapour generatorsand the like |
| SU1125460A1 (en) * | 1983-03-17 | 1984-11-23 | Конструкторское Бюро "Энергия" | Shell-and-tube heat exchanger |
| CN201449164U (en) * | 2009-07-13 | 2010-05-05 | 山东早春创尔沃热泵技术有限公司 | Uniform flow highly-efficient heat exchanger |
| CN201589061U (en) * | 2009-12-17 | 2010-09-22 | 乐山永祥硅业有限公司 | Liquid chlorine vaporizing device |
| CN201852496U (en) * | 2010-11-05 | 2011-06-01 | 西部金属材料股份有限公司 | Tantalum heater |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| CN202254239U (en) * | 2011-09-21 | 2012-05-30 | 南通新邦化工科技有限公司 | Electric heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103471228A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102222552A (en) | Connecting hardware fitting for sectional composite insulator | |
| CN103471228B (en) | The electric heater of new structure | |
| CN102222553B (en) | Trough-type connecting hardware fitting of sectional-type composite isolator | |
| CN203371210U (en) | Small clamping device for brazing assembling of multiple cores | |
| CN204270799U (en) | A kind of easy-to-mount transformer oil storage supporting construction | |
| CN203071251U (en) | Aluminum pipe joint of anti-slipping aluminum pipe jumper wire | |
| CN210803355U (en) | Electrode integrated system for molten salt electrochemical test | |
| CN203642755U (en) | Welded plate built-in plate casing type heat exchanger | |
| CN103066407B (en) | A kind of aluminium tube joint of antiskid aluminum pipe wire jumper | |
| CN204277993U (en) | A kind of for wind power tower conductor rail erection column batch chalker | |
| CN103496838A (en) | Composite electrode for melting glass for electric melting furnace | |
| CN205592496U (en) | Cable holder | |
| CN204628553U (en) | A kind of heat-insulating water tanks exempts to weld fixed connecting piece | |
| CN209327444U (en) | Resistivity structure | |
| CN221258140U (en) | Internal and external anti-corrosion pipeline for heat preservation and supply | |
| CN203159955U (en) | Heating tube of washing machine | |
| CN213868582U (en) | Large-diameter steel bar straight spiral connecting mechanism | |
| CN202928435U (en) | End cover edge plate and parallel flow heat exchanger and air conditioning device | |
| CN220930435U (en) | Pipeline communication structure and air energy device | |
| CN215594400U (en) | Be used for couple installation connected node structure on polyurethane wallboard | |
| CN207958522U (en) | A kind of aluminum electrolyzing cell used explosive welding structure | |
| CN210483204U (en) | Steel pipe pole for power transmission line | |
| CN106504964A (en) | The fuse unit that can be radiated | |
| CN220439378U (en) | Copper-aluminum transition structure and transformer | |
| CN203514202U (en) | Temporary fixing device for mounting connector of large-span steel structure box type bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |