CN204773582U - Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device - Google Patents
Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device Download PDFInfo
- Publication number
- CN204773582U CN204773582U CN201520383999.2U CN201520383999U CN204773582U CN 204773582 U CN204773582 U CN 204773582U CN 201520383999 U CN201520383999 U CN 201520383999U CN 204773582 U CN204773582 U CN 204773582U
- Authority
- CN
- China
- Prior art keywords
- fluorine
- tantalum
- pipe
- tube sheet
- clinkering
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses an utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device, include: circuit board apparatus, cable conductor, metal clamp plate, locking device, portable kneading board, fluorine are moulded a tub tube bank, electrical heating tantalum pipe, fluorine and are moulded a tub tube sheet. A pair of metal clamp plate is connected rather than a pair of portable kneading board of below through locking device respectively, the fluorine is moulded tub tube sheet both ends and is fixed in between metal clamp plate and the portable kneading board, is connected the locking device locking on metal clamp plate and portable kneading board, inserting electrical heating tantalum pipe and moulding tub tube bank to the fluorine, the fluorine is moulded tub tube bank and is inserted the fluorine respectively and mould in the fixed orifices on tub tube sheet fixedly, electrical heating tantalum pipe includes: cable conductor, tantalum emit, prevent expand tantalum pipe, powdered magnesium and heating wire. The utility model discloses can solve the multiple utilization that tantalum pipe hot melt was tied and was prevented rising and sell to and simplify the complicated process flow of traditional PTFE heat exchanger tube sheet clinkering, improve technical problem such as clinkering efficiency.
Description
Technical field
The utility model relates to a kind of heat exchange equipment.
Background technology
Teflon heat exchanger is that important its corrosion resistance of heat exchange equipment of a class is preced with in multiple alloy, nonmetal even noble metal, its exploitation, development and practical application experienced by the Evolution of two more than ten years, have now had the fluorine plastic product of many different structures, different purposes and performance.Because the technical barrier that therefore this type of heat exchanger is maximum at present of the clinkering poor-performing between PTFE is the sealing technology that fluorine moulds between pipe tube bank and tube sheet, the teflon heat exchanger that traditional handicraft is produced generally has the sealing ratiod of 3%, if but fluorine is moulded heat exchange of heat pipe and is applied in the heat exchange of high corrosion chemical liquid liquid, heat transferring medium leakage can shine into serious consequence.
The clinkering method of existing PTFE mainly contains: alloying furnace limit rise ring sintering method, to fill in PFA material sintering method, fluorinated gas atmosphere these several technology such as soldering connection between tube bank and tube sheet and all there is very large defect:
Alloying furnace limits the ring clinkering technology that rises to be the many a kind of PTFE clinkering modes applied at present, because PTFE material has without the feature such as resilience, poor fluidity, because coefficient of thermal expansion inconsistent easily the causing of tube sheet and tube bank easily occurs the defects such as not withstand voltage in the phenomenons such as clinkering face cracking or later stage use procedure when tube plate structure entirety heats in alloying furnace.And this sintering technology is easy to cause tube sheet thermal expansion deformation and then can bring very large inconvenience to follow-up heat exchanger assembling link.
PFA pipe is a kind of material that can be easy to together with clinkering with PTFA, PFA clinkering technology be by PFA pipe clamp between PTFE tube bundle and tube sheet, by PFA pipe by their clinkering together, can improve the clinkering degree of depth although it is so to a certain extent makes the strength of connection between tube sheet increase, but because in clinkering process, melt does not have pressure, therefore melt place very easily Yin Wendu fluctuation and produce air blister defect, fundamentally can not solve the reliable clinkering problem between tube sheet equally.
PTFE heat exchanger fluorination treatment method is that reheat heat exchanger forms and loses and tie by soldering the technology that heat exchanger tube and Tubesheet Welding are combined into one in the atmosphere containing fluorination treatment gas, this technology carries out fluorination treatment by substrate surface, make it have corrosion resistance to water or water steam medium, but this device cannot be applicable to have in certain corrosive chemical industry heat exchange environment.
Summary of the invention
The purpose of this utility model is to provide a kind of electric heating tantalum pin clinkering fluorine of preventing rising that utilizes and moulds the device of heat exchange of heat pipe tube sheet, to solve the multiple utilization of tantalum pipe hot melt knot and the anti-pin that rises, and simplify the technological process of conventional P TFE heat exchanger tube sheet clinkering complexity, improve the technical problems such as clinkering efficiency.
In order to realize foregoing invention object, the technical scheme that the utility model adopts is as follows:
Utilize electric heating tantalum pin clinkering fluorine of preventing rising to mould the device of heat exchange of heat pipe tube sheet, comprising: circuit board arrangement (1), cable (2), metal platen (3), locking device (4), movable chopping board (5), fluorine mould pipe tube bank (6), electrical heating tantalum pipe (7), fluorine moulds pipe tube sheet (8); Pair of metal pressing plate (3) is connected with a pair movable chopping board (5) below it respectively by locking device, described fluorine is moulded pipe tube sheet (8) two ends and is fixed between metal platen (3) and movable chopping board (5), is connected to metal platen (3) and locks with the locking device (4) on movable chopping board (5); Electrical heating tantalum pipe 7 being inserted into fluorine moulds in pipe tube bank (6), and fluorine is moulded pipe tube bank (6) and inserted respectively in the fixing hole that fluorine moulds on pipe tube sheet (8) and fix; Described electrical heating tantalum pipe (7) comprising: cable (2), tantalum emit (9), anti-swollen tantalum pipe (12), magnesium powder (11) and heating wire (10); Tantalum emits (9) is connected by screw thread with anti-swollen tantalum pipe (12), the cable (2) connecting power supply is connected with heating wire (10), heating wire (10) is placed in anti-swollen tantalum pipe (12), is filled with magnesium powder (11) around it and between anti-swollen tantalum pipe (12).
Described resistance wire (10) is connected with power supply by pressure regulator, the target temperature that PID temperature control digital display table input clinkering needs, through calculating signal transmission to pressure regulator.
Advantage of the present utility model and effect as follows:
1, utilize anti-pin heating of rising to carry out clinkering to PTFE tube bundle in tube sheet, have compared with traditional handicraft that clinkering performance is good, sealing intensity is high, clinkering is abundant, the clinkering degree of depth deeply and the advantage such as No leakage phenomenon; 2, the alloying furnace body of heater eliminated in traditional handicraft greatly reduces clinkering cost; 3, adopt PID to control, utilize digital display meter, pressure regulator can control fusion bonded temperature accurately, greatly reduce and control cost; 4, unlike most of traditional handicraft whole tube plate structure all heated but heat all passed to and need on the clinkering point of clinkering, therefore effectively contained that tube sheet thermal expansion deformation is serious, install after sealing difference and the problem such as clinkering power consumption is many; 5, can carry out in indoor without the need to by whole for tube plate structure heated sealed, substantially increase clinkering efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is electrical heating tantalum tubular construction schematic diagram of the present utility model.
Detailed description of the invention
Concrete structure of the present utility model is shown in Figure 1.Utilize electric heating tantalum pin clinkering fluorine of preventing rising to mould the device of heat exchange of heat pipe tube sheet, comprising: circuit board arrangement (1), cable (2), metal platen (3), locking device (4), movable chopping board (5), fluorine mould pipe tube bank (6), electrical heating tantalum pipe (7), fluorine moulds pipe tube sheet (8).Pair of metal pressing plate (3) is connected with a pair movable chopping board (5) below it respectively by locking device.Described fluorine is moulded pipe tube sheet (8) two ends and is fixed between metal platen (3) and movable chopping board (5), is connected to metal platen (3) and locks with the locking device (4) on movable chopping board (5).Electrical heating tantalum pipe 7 being inserted into fluorine moulds in pipe tube bank (6), and fluorine is moulded pipe tube bank (6) and inserted respectively in the fixing hole that fluorine moulds on pipe tube sheet (8) and fix.
Shown in Figure 2.Described electrical heating tantalum pipe (7) comprising: cable (2), tantalum emit (9), anti-swollen tantalum pipe (12), magnesium powder (11) and heating wire (10); Tantalum emits (9) is connected by screw thread with anti-swollen tantalum pipe (12), the cable (2) connecting power supply is connected with heating wire (10), heating wire (10) is placed in anti-swollen tantalum pipe (12), is filled with magnesium powder (11) around it and between anti-swollen tantalum pipe (12).
Described resistance wire (10) is connected with power supply by pressure regulator, the target temperature that PID temperature control digital display table input clinkering needs, through calculating signal transmission to pressure regulator.
The utility model is that the magnesium powder utilizing heating wire to be passed to by heat in tantalum pipe transfers heat to tantalum pipe by magnesium powder again, make tantalum tube-surface ensure the temperature of about 350 DEG C by controlling the voltage of thermoelectric wire, under the effect of tantalum pipe, fluoroplastics tube bank and tube sheet can gradually together with sufficient clinkerings.
Tantalum metal has fabulous chemical property and all can not be corroded in " chloroazotic acid " of heating, and its thermal coefficient of expansion very low be that namely 6.5 × 10-6/k often raises one degree Celsius and only expand 6/1000000ths. five and equally have good thermal conductivity with other metals.Tantalum pipe in the utility model all boils PROCESS FOR TREATMENT through silicone oil makes its surface cleaner and tidier, smooth.Use the electric heating tube of tantalum metal that the utility model is had: the long service life that is not easily corroded greatly reduces maintenance cost; Heat conduction rapid temperature controls stable; After the very good and clinkering of the coefficient of thermal expansion low PTFE of making clinkering effect terminates and fluorine mould pipe and not stick together phenomenon etc.
The utility model adopts simple PID to control, after system is opened, by the target temperature that PID temp controlled meter input clinkering needs, temperature control digital display table is through calculating signal transmission to pressure regulator, thermoelectric wire required voltage is flowed to heating wire in circuit in parallel by pressure regulator, and heat to be passed to tantalum tube-surface by the fabulous magnesium powder of thermal conductivity in tantalum pipe and then to be moulded pipe to fluorine and carries out clinkering by heating wire.In part tantalum pipe, at random hot water radiation wire is housed, the mean temperature of the tantalum pipe of sampling can be passed to temperature control digital display table by them, and the voltage that digital display meter revises pressure regulator output further by this feedback data ensures the definitely accurate of tantalum tube-surface temperature further.
First movable chopping board (5) is adjusted to the position that Tube Sheet of Heat Exchanger panel assembly can import in the use procedure of this device, then one end of heat exchanger tube sheet 8 is moved into chopping board (5) upper surface, adjustment movable chopping board (5) is to suitable position lock foil, metal platen (3) and locking device (4) is utilized to be fixed on by Tube Sheet of Heat Exchanger board component on movable chopping board (5), (need situation the cable 2 in this device can be made into metallic rod device to realize automatically inserting electrical heating tantalum pipe 7 according to production efficiency) to be manually or automatically inserted into by electrical heating tantalum pipe (7) fluorine to mould in pipe tube bank, can start electrifying system electric current after installing ties in the heating wire in electrical heating tantalum pipe (7) by circuit board arrangement (1), magnesium powder in tantalum pipe is passed to rapidly tantalum tube-surface heat, tantalum tube-surface is made to remain on the temperature of 300 DEG C to 350 DEG C by controlling electric current.Reach fluorine after fluorine moulding material fusing point until temperature to mould pipe and mould and mould pipe with fluorine and mould and tie the fluorine touched and mould tube sheet inner surface and start melting gradually, the inner surface simultaneously moulding the perforate of pipe tube sheet due to expanded by heating effect fluorine can produce the pressure moulding pipe tube bank outer surface to fluorine, under pressure with the double action of being heated fluorine mould pipe restrain and fluorine mould pipe tube sheet can abundant clinkering, the clinkering degree of depth can reach more than 50mm.This clinkering technology weld strength is high, the clinkering degree of depth is dark, clinkering equipment cost is low, and fluorine is moulded pipe and to be moulded and fluorine is moulded without the need to adding the complete natural fusion of other mutual fusible dielectric between tube sheet, and the product after clinkering does not exist any defect, and clinkering leakage rate is zero.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalence change that the utility model claim is done, still belong to protection domain of the present utility model.
Claims (2)
1. one kind utilizes electric heating tantalum pin clinkering fluorine of preventing rising to mould the device of heat exchange of heat pipe tube sheet, it is characterized in that, comprising: circuit board arrangement (1), cable (2), metal platen (3), locking device (4), movable chopping board (5), fluorine mould pipe tube bank (6), electrical heating tantalum pipe (7), fluorine moulds pipe tube sheet (8); Pair of metal pressing plate (3) is connected with a pair movable chopping board (5) below it respectively by locking device, described fluorine is moulded pipe tube sheet (8) two ends and is fixed between metal platen (3) and movable chopping board (5), is connected to metal platen (3) and locks with the locking device (4) on movable chopping board (5); Electrical heating tantalum pipe 7 being inserted into fluorine moulds in pipe tube bank (6), and fluorine is moulded pipe tube bank (6) and inserted respectively in the fixing hole that fluorine moulds on pipe tube sheet (8) and fix; Described electrical heating tantalum pipe (7) comprising: cable (2), tantalum emit (9), anti-swollen tantalum pipe (12), magnesium powder (11) and heating wire (10); Tantalum emits (9) is connected by screw thread with anti-swollen tantalum pipe (12), the cable (2) connecting power supply is connected with heating wire (10), heating wire (10) is placed in anti-swollen tantalum pipe (12), is filled with magnesium powder (11) around it and between anti-swollen tantalum pipe (12).
2. a kind of electric heating tantalum pin clinkering fluorine of preventing rising that utilizes according to claim 1 moulds the device of heat exchange of heat pipe tube sheet, it is characterized in that, described heating wire (10) is connected with power supply by pressure regulator, the target temperature that PID temperature control digital display table input clinkering needs, through calculating signal transmission to pressure regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383999.2U CN204773582U (en) | 2015-06-05 | 2015-06-05 | Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383999.2U CN204773582U (en) | 2015-06-05 | 2015-06-05 | Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204773582U true CN204773582U (en) | 2015-11-18 |
Family
ID=54513705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520383999.2U Withdrawn - After Issue CN204773582U (en) | 2015-06-05 | 2015-06-05 | Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204773582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890228A (en) * | 2015-06-05 | 2015-09-09 | 北京北交富沃机电工程科技有限公司 | Device for utilizing electric heating tantalum expansion-prevention pin for sintering fluorine plastic pipe heat exchanger pipe plate |
-
2015
- 2015-06-05 CN CN201520383999.2U patent/CN204773582U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890228A (en) * | 2015-06-05 | 2015-09-09 | 北京北交富沃机电工程科技有限公司 | Device for utilizing electric heating tantalum expansion-prevention pin for sintering fluorine plastic pipe heat exchanger pipe plate |
| CN104890228B (en) * | 2015-06-05 | 2017-08-11 | 北京北交富沃机电工程科技有限公司 | A kind of anti-pin-fuse knot fluorine that rises of utilization electric heating tantalum moulds the device of heat exchange of heat pipe tube sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017016136A1 (en) | Heating rod for critical heat flux test | |
| CN103650060A (en) | Electrical heating device for heating a liquid, method for producing same, and use in the electrical simulation of nuclear fuel rods | |
| CN208317038U (en) | A kind of novel electric heating stick | |
| CN104890228A (en) | Device for utilizing electric heating tantalum expansion-prevention pin for sintering fluorine plastic pipe heat exchanger pipe plate | |
| CN103745053B (en) | A kind of PE electric melting pipe fittings welding condition formulating method based on finite element | |
| CN102744879B (en) | Method and device for welding thin-wall micropipes of fluoroplastic heat exchanger | |
| CN107945895A (en) | A kind of non-homogeneous electrically heated nuclear fuel simulation rod | |
| CN204773582U (en) | Utilize electric heat tantalum to prevent rising round pin clinkering fluorine and mould tub heat exchanger tube sheet's device | |
| CN102689437B (en) | Device and method for sintering pipe plate of fluoroplastic heat-exchangerp | |
| CN103292861B (en) | For the preparation method of totally-enclosed pressure environment fluid level measuring gauge | |
| CN201135883Y (en) | Directly-heated pipe reactor | |
| CN207425373U (en) | A kind of non-homogeneous electrically heated nuclear fuel simulation stick | |
| CN109827337A (en) | A kind of very fast electrothermal tube of accurate temperature control | |
| CN211184299U (en) | Improved composite heating rubber roller | |
| CN207505160U (en) | A kind of Electrothermal bent tube | |
| CN206781046U (en) | Fluoroplastics heat exchanger tin bath method welding temperature supplements frock | |
| CN206042393U (en) | Adopt electric heating element of boron nitride as insulating material | |
| Zhou et al. | Mock-up qualification and prototype manufacture for ITER current leads | |
| CN204987988U (en) | Square copper heat pipe based on interior bloated external pressure | |
| CN204784016U (en) | Tantalum matter fluorine is moulded a tub tube sheet and is prevented round pin that expands with clinkering function | |
| CN204100801U (en) | A kind of low profile thermal radiation electric heating furnace | |
| CN216579251U (en) | Anti-oxidation welding structure of polytetrafluoroethylene tube | |
| CN108917177A (en) | Fused salt heating device and fused salt heating means | |
| CN202582337U (en) | Fluoroplastic heat exchanger pipe plate sintering device | |
| CN207410538U (en) | A kind of electrothermal tube using new sealing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170811 |