CN202388154U - Prestress extending heating unit of quenching heat exchanger - Google Patents
Prestress extending heating unit of quenching heat exchanger Download PDFInfo
- Publication number
- CN202388154U CN202388154U CN 201120572609 CN201120572609U CN202388154U CN 202388154 U CN202388154 U CN 202388154U CN 201120572609 CN201120572609 CN 201120572609 CN 201120572609 U CN201120572609 U CN 201120572609U CN 202388154 U CN202388154 U CN 202388154U
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- heat exchanger
- rapid
- protection tube
- cooling heat
- prestressing force
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Abstract
The utility model relates to the technical field of petrifaction equipment, and in particular relates to a prestress extending heating unit of a quenching heat exchanger. The structure of the prestress extending heating unit comprises a protecting tube, a heating assembly and a support assembly, wherein the heating assembly is arranged in the cavity of the protecting tube and is connected with the two ends of the protecting tube, the support assembly is arranged outside of the protecting tube, and an outer edge part of the support assembly is provided with a rolling wheel. Compared with the prior art, the prestress extending heating unit provided by the utility model can realize rapid and uniform heating inner pipe, the temperature and elongation indicator are exactly controlled, the welding quality is guaranteed, and the prestress extending heating unit has the characteristics of simple structure, low cost and high product welding quality; and the workpiece requires rotation when the prestress extending heating unit is welded, and the heating unit can realize that the workpiece rotates but the device does not rotate.
Description
Technical field
The utility model relates to the petrochemical equipment technical field, particularly relates to rapid-cooling heat exchanger prestressing force elongation heater.
Background technology
Cracking stock after the quick cooling down high-temperature cracking of rapid-cooling heat exchanger ability prevents the generation of secondary response, is one of key equipment of pyrolysis furnace.Common rapid-cooling heat exchanger is made up of two sleeve pipe heat exchange elements, header and connector etc.; Two sleeve pipe heat exchange elements are made up of the mutual fit of inner and outer pipe, and interior pipe feeds Pintsch process gas during work, and the gap between outer tube and the interior pipe feeds cooling medium; Because the temperature difference of inner and outer pipe medium is bigger; Pipe is different with the expansion length of outer tube in making, interior pipe elongation is greater than outer tube, and the link position of pipe and outer tube forms bigger temperature stress in making easily; Thereby crack, even the phenomenon of fracture takes place.
For addressing the above problem, need be through interior pipe prestretched be reduced differential expansion.
For example: Granted publication number disclosed a kind of " rapid-cooling heat exchanger prestressed casing " for the Chinese utility model patent of CN201787857U on April 6th, 2011; Its technical scheme comprise " interior pipe, outer tube and following connector constitute; wherein, interior pipe and outer tube respectively and following connector through being welded to connect." concrete manufacturing approach is: in the process of interior pipe blanking, with shortening certain size.Down connector and inner and outer pipe group to the time, certain clearance is arranged between interior pipe and the following connector; Welding outer tube and following connector after welding is accomplished, utilize pipe in the heating tube heating earlier, make its elongation of expanding, and until being connected butt joint with following part, under the condition of heating continuously, weld disposable completion; Welding removes heating tube after accomplishing, and interior pipe just has certain pre-tensile stress.Yet in the above-mentioned welding process, temperature controlling is one of them difficult problem, and variation of temperature can cause the variation of elongation, thereby influences welding quality, even produces the drawing crack weld seam.
Therefore, to the problems referred to above, provide a kind of and can realize fast, manage in the heating equably, and can accurately control temperature and elongation, the technology of rapid-cooling heat exchanger prestressing force elongation heater simple in structure simultaneously, that welding quality is high is particularly important.
Summary of the invention
The purpose of the utility model be to avoid weak point of the prior art and provide a kind of and can realize fast, pipe in the heating equably; And can accurately control temperature and elongation, rapid-cooling heat exchanger prestressing force elongation heater simple in structure simultaneously, that welding quality is high.
The purpose of the utility model realizes through following technical scheme:
Rapid-cooling heat exchanger prestressing force elongation heater is provided; Include protection tube, heating component and supporting component; Said heating component is arranged in the inner chamber of said protection tube and with the two ends of said protection tube and is connected; Said supporting component is arranged at the outside of said protection tube, and the outer edge part of said supporting component is provided with scroll wheel.
Wherein, said supporting component is the collar-shaped supporting component.
Wherein, the collar-shaped supporting component of said collar-shaped supporting component for removably connecting through screw by two semicircle assemblies.
Wherein, said heating component is provided with the heating rope of thermal conductivity good insulator for the surface.
Wherein, said heating component is provided with the heating rope of ceramic bead for the surface string.
Wherein, the protection tube of said protection tube for being spliced by multistage.
Wherein, said scroll wheel be provided with three at least, and along the setting that is evenly distributed of the outer edge part of said supporting component.
Wherein, said protection tube evenly is provided with at least two supporting components along tube axial direction.
Wherein, said protection tube evenly is provided with four supporting components along tube axial direction.
Wherein, the two ends of said heating component flexibly connect with the two ends of said protection tube respectively.
The beneficial effect of the utility model:
The rapid-cooling heat exchanger prestressing force elongation heater of the utility model; Include protection tube, heating component and supporting component; Said heating component is arranged in the inner chamber of said protection tube and with the two ends of said protection tube and is connected; Said supporting component is arranged at the outside of said protection tube, and the outer edge part of said supporting component is provided with scroll wheel.Compared with prior art, the utility model can be realized fast, can evenly heat interior pipe, and can accurately control temperature and elongation, guarantees welding quality, has characteristics simple in structure, that cost is low, the product welding quality is high.And, when welding workpiece need to rotate, this heater can realize that workpiece rotates and this device does not rotate.
Description of drawings
Utilize accompanying drawing that the utility model is described further; But the embodiment in the accompanying drawing does not constitute any restriction to the utility model; For those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to following accompanying drawing.
Fig. 1 is the structural representation of the rapid-cooling heat exchanger prestressing force elongation heater of the utility model.
Fig. 2 is that the rapid-cooling heat exchanger prestressing force of the utility model extends the structural representation at another visual angle of heater.
In Fig. 1 and Fig. 2, include:
1---the heating rope;
2---protection tube;
3---supporting component;
4---scroll wheel;
5---screw.
The specific embodiment
In conjunction with following examples the utility model is further described.
The specific embodiment of the rapid-cooling heat exchanger prestressing force elongation heater of the utility model; As depicted in figs. 1 and 2; Include protection tube, heating component and supporting component; Said heating component is arranged in the inner chamber of said protection tube and with the two ends of said protection tube and is connected, and said supporting component is arranged at the outside of said protection tube, and the outer edge part of said supporting component is provided with scroll wheel.
Concrete, said supporting component is the collar-shaped supporting component.This supporting component ring is established the excircle of protection tube.
Concrete, the collar-shaped supporting component of said collar-shaped supporting component for removably connecting through screw by two semicircle assemblies.When screw was unscrewed, supporting component can move axially any position in the protection tube upper edge, and screw tightens the back supporting component and can be fixed on the protection tube, and convenient installation, use are flexibly.
Concrete, said heating component is provided with the heating rope of thermal conductivity good insulator for the surface.
Concrete, said heating component is provided with the heating rope of ceramic bead for the surface string.The heating rope is gone up string and is provided with a plurality of ceramic beads, has the good characteristics of thermal conductivity and insulating properties.
Concrete, the protection tube of said protection tube for being spliced by multistage.Protection tube can divide multistage to be formed by connecting, and convenient mounting or dismounting simultaneously, are changed heating rope back applicable to the heating of managing in the different length.
Concrete, said scroll wheel is provided with three at least, and along the setting that is evenly distributed of the outer edge part of said supporting component.Be arranged at scroll wheel on the supporting component and distribute along the excircle of support group and be no less than three, this scroll wheel is swaying direction within the specific limits, prevents that rapid-cooling heat exchanger prestressing force elongation heater from play taking place when workpiece rotates.
Concrete, said protection tube evenly is provided with at least two supporting components along tube axial direction.Be convenient to fixing in the pipe in to be heated.
Concrete, said protection tube evenly is provided with four supporting components along tube axial direction.The quantity that supporting component specifically is set is looked the length of protection tube and is decided.
Concrete, the two ends of said heating rope flexibly connect with the two ends of said protection tube respectively.The two ends of heating rope are fixed on the two ends of protection tube through flexible connection, and the centre of heating rope need not be fixed, not only install simple, and the replacing of convenient heating rope.
The use of the utility model: when specifically working, whole device is pierced in the needs pipe to be heated, energized can heat, and uses thermocouple measuring temperature, temperature controller control heating process; When pipe needed to rotate in being heated, it is motionless that this heater can keep.
Should be noted that at last; Above embodiment is only in order to explain the technical scheme of the utility model; But not to the restriction of the utility model protection domain, although with reference to preferred embodiment the utility model has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the essence and the scope of the utility model technical scheme.
Claims (10)
1. rapid-cooling heat exchanger prestressing force extends heater; It is characterized in that: include protection tube, heating component and supporting component; Said heating component is arranged in the inner chamber of said protection tube and with the two ends of said protection tube and is connected; Said supporting component is arranged at the outside of said protection tube, and the outer edge part of said supporting component is provided with scroll wheel.
2. rapid-cooling heat exchanger prestressing force elongation heater according to claim 1, it is characterized in that: said supporting component is the collar-shaped supporting component.
3. rapid-cooling heat exchanger prestressing force elongation heater according to claim 2 is characterized in that: the collar-shaped supporting component of said collar-shaped supporting component for being removably connected through screw by two semicircle assemblies.
4. rapid-cooling heat exchanger prestressing force elongation heater according to claim 1 is characterized in that: said heating component is provided with the heating rope of thermal conductivity good insulator for the surface.
5. rapid-cooling heat exchanger prestressing force elongation heater according to claim 4 is characterized in that: said heating component is provided with the heating rope of ceramic bead for the surface string.
6. rapid-cooling heat exchanger prestressing force elongation heater according to claim 1 is characterized in that: the protection tube of said protection tube for being spliced by multistage.
7. rapid-cooling heat exchanger prestressing force according to claim 1 elongation heater is characterized in that: said scroll wheel is provided with three at least, and along the setting that is evenly distributed of the outer edge part of said supporting component.
8. rapid-cooling heat exchanger prestressing force elongation heater according to claim 1, it is characterized in that: said protection tube evenly is provided with at least two supporting components along tube axial direction.
9. rapid-cooling heat exchanger prestressing force elongation heater according to claim 8, it is characterized in that: said protection tube evenly is provided with four supporting components along tube axial direction.
10. rapid-cooling heat exchanger prestressing force according to claim 1 elongation heater is characterized in that: the two ends of said heating component flexibly connect with the two ends of said protection tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120572609 CN202388154U (en) | 2011-12-31 | 2011-12-31 | Prestress extending heating unit of quenching heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120572609 CN202388154U (en) | 2011-12-31 | 2011-12-31 | Prestress extending heating unit of quenching heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202388154U true CN202388154U (en) | 2012-08-22 |
Family
ID=46663106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120572609 Expired - Lifetime CN202388154U (en) | 2011-12-31 | 2011-12-31 | Prestress extending heating unit of quenching heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202388154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
-
2011
- 2011-12-31 CN CN 201120572609 patent/CN202388154U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| CN102489908B (en) * | 2011-12-31 | 2015-02-04 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |