CN202582337U - Fluoroplastic heat exchanger pipe plate sintering device - Google Patents
Fluoroplastic heat exchanger pipe plate sintering device Download PDFInfo
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- CN202582337U CN202582337U CN 201220160918 CN201220160918U CN202582337U CN 202582337 U CN202582337 U CN 202582337U CN 201220160918 CN201220160918 CN 201220160918 CN 201220160918 U CN201220160918 U CN 201220160918U CN 202582337 U CN202582337 U CN 202582337U
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- heat exchanger
- fluoroplastic
- ring
- plate
- fluoroplastics
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Abstract
The utility model discloses a fluoroplastic heat exchanger pipe plate sintering device, which is high in pipe plate connecting strength and good in tightness and solves the technical problems of high leakage rate and the like of a sintered pipe plate caused by poor sintering performance, low sintering depth and low connecting strength between a fluoroplastic pipe bundle and a fluoroplastic plate in the prior art. The fluoroplastic heat exchanger pipe device comprises a sintering furnace; the sintering furnace is provided with a guide port for a fluoroplastic heat exchanger pipe plate assembly; an expansion limiting ring is arranged in the sintering furnace, corresponds to the guide port and is fixed on the edge of the guide port in a clamping manner; the fluoroplastic heat exchanger pipe plate assembly is inserted into the expansion limiting ring, and a clearance is formed between the outer ring surface of a fluoroplastic plate on the fluoroplastic heat exchanger pipe plate assembly and the inner ring surface of the expansion limiting ring; and a plurality of anti-expansion pins are arranged in the fluoroplastic heat exchanger pipe plate assembly corresponding to the expansion limiting ring and are correspondingly matched with and inserted into fluoroplastic pipe bundle through holes of the fluoroplastic heat exchanger pipe plate assembly.
Description
Technical field
The utility model relates to a kind of chemical industry and uses the fluoroplastics heat exchanger, relates in particular to a kind of tube sheet bonding strength height, the fluoroplastics heat exchanger tube sheet sintering equipment of good airproof performance.
Background technology
Tube bank that teflon heat exchanger all is made up of many minor diameter thin wall PTFE heat-transfer pipes and PTFE tube plate be through the welding moulding, but because the welding poor-performing between the PTFE, the heat seal strength between tube bank and the tube sheet is low; The welding depth as shallow; Cause the slip after the welding high, and often can only not only waste time and energy with the leak stopping of doing over again of tetrafluoro pin for the teflon heat exchanger that leaks; And plugging effect is poor, and in use still there is great potential safety hazard in teflon heat exchanger.In order to improve the bonding strength of tube sheet; People dose one section welding performance pipe of PFA material preferably between tube sheet; Though can partly improve the welding degree of depth, the bonding strength between tube sheet is increased, because melt does not have pressure in the fusion process; Therefore the melt place very easily Yin Wendu fluctuation and produce defective such as bubble, can not fundamentally solve the reliable welding problem between tube sheet equally.
Chinese patent discloses the fluorination treatment method of a kind of heat exchanger, heat exchanger or its component parts and the manufacturing approach (CN1575404A) of heat exchanger; It is contain fluorination treatment with the atmosphere of gas in heating process and the installation procedure that the component parts that will pass through heating process is installed in the predetermined position of desirable heat exchanger of reheat heat exchanger component parts, containing the heating process that fluorination treatment heats through soldered joint all-in-one-piece heat exchanger assembling body the component-assembled that is made up of a plurality of heat exchangers and a plurality of component parts in the atmosphere of gas under assembled state.Though this device makes it have corrosion resistance to water or water vapour medium through substrate surface is carried out fluorination treatment, this device can't be applicable to have certain corrosive industrial chemicals medium.
Summary of the invention
It is high that the utility model has mainly provided a kind of tube sheet bonding strength; The fluoroplastics heat exchanger tube sheet sintering equipment of good airproof performance; The fluoroplastics tube bank that exists in the prior art and the welding poor-performing between the fluoroplastic plate have been solved; The welding depth as shallow, bonding strength is low, causes the tube sheet slip high-technology problem after the welding.
The utility model also provides a kind of tube plate deformation amount little fluoroplastics heat exchanger tube sheet sintering equipment, and it is serious to have solved after the tube sheet welding that exists in the prior art fluoroplastic plate distortion, and it is poor that the back sealing is installed, and very easily pollutes technical problems such as electronic chemical product.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of fluoroplastics heat exchanger tube sheet sintering equipment; Comprise alloying furnace; On alloying furnace, be provided with the introducing port of fluoroplastics heat exchanger tube board component; In the corresponding alloying furnace of introducing port, be provided with and limit the ring that rises; The limit ring that rises is clamped on the edge of introducing port, and fluoroplastics heat exchanger tube board component is plugged on limit and rises in the ring, and the fluoroplastic plate outer ring surface on the fluoroplastics heat exchanger tube board component rises with limit and is provided with the gap between the inner ring surface that encircles; Be provided with some anti-pins that rise in the corresponding fluoroplastics heat exchanger tube board component of ring rising with limit, the corresponding coupling of the anti-pin that rises is plugged on the fluoroplastics of fluoroplastics heat exchanger tube board component and restrains in the through hole.Through the introducing port of fluoroplastics heat exchanger tube board component is set in the alloying furnace bottom; And fluoroplastics heat exchanger tube board component inserted in the alloying furnace corresponding to an end of fluoroplastic plate, and in the outside of fluoroplastic plate the cover ring that rises of limiting, start alloying furnace after assigning the pin of preventing rising in the fluoroplastics tube bank on being plugged on fluoroplastic plate; And be heated to more than the fusing point; Ring and the anti-pin that rises make fluoroplastic plate and fluorine plastic tube interfascicular produce extruding force because volumetric expansion after the fluoroplastics temperature rise, limit are risen, thereby the fluoroplastics tube bank outside is fully merged with corresponding fluoroplastics plate hole inboard; And can limit the ring that rises to come controlled pressure through adjustment with the gap of fluoroplastic plate; Guarantee reliable welding between the tube bank of fluoroplastic plate and fluoroplastics, the welding degree of depth can reach more than the 50mm, makes face of weld almost not have any defective; Slip after fluoroplastic plate and the fluoroplastics tube bank welding is zero, thereby thoroughly solves the problem that teflon heat exchanger is prone to leakage.
As preferably; Said limit rise the ring upper surface be provided with the distortion limiting plate; Be provided with the circular orientation plate at the rise lower surface of ring of limit, the limit ring that rises is clamped between distortion limiting plate and the circular orientation plate, and distortion limiting plate and circular orientation plate are last through the inner side edge edge that adjusting screw(rod) is fixed on introducing port.Because there is the bigger temperature difference in the top and bottom of fluoroplastic plate; Therefore fluoroplastic plate can produce bigger distortion in cooling procedure, through the distortion limiting plate is set on the upper surface of fluoroplastic plate, and can come the position of up-down adjustment distortion limiting plate through adjusting screw(rod); Make the distortion limiting plate all the time concora crush at the upper surface of fluoroplastic plate; Thereby limited the distortion of fluoroplastic plate, made 20 to 30mm deflection be reduced to below the 1mm the maximized deformation defect that improves fluoroplastic plate; Guarantee to seal reliably after the fluoroplastics heat exchanger is installed, avoid polluting the phenomenon of electronic chemical product.
As more preferably, said circular orientation plate level extends to the fluoroplastics tube bank, and on circular orientation plate lateral surface, is provided with annular heat insulating mattress.The annular heat insulating mattress plays insulation effect to the welding stove, prevents that the welding furnace heat scatters and disappears, and guarantees that the tube sheet temperature weighing apparatus in the welding stove is fixed.
As preferably, be provided with the anticreep plush copper at the medial extremity of the said anti-pin that rises.The anticreep plush copper pin that prevents to rise is deviate from fluoroplastics tube banks.
As preferably, the rise gap of ring and fluoroplastic plate of said limit is 2% to 4% of a fluoroplastic plate diameter.Rational gap can guarantee the extruding force of fluoroplastic plate and fluorine plastic tube interfascicular.
The end of fluoroplastics heat exchanger tube board component corresponding to fluoroplastic plate placed in the welding stove; And in the arranged outside of fluoroplastic plate the limit ring that rises, when the temperature of tube sheet assembly with furnace temperature be elevated to 324 ° of left and right sides of fusing point the time, tube sheet begins fusion; The volumetric expansion of fluoroplastic plate; To inside and outside expansion simultaneously, the anti-pin that rises that is supported on this moment in the fluoroplastics tube banks has limited inwardly distortion of fluoroplastics tube bank, and the limit ring that rises has limited fluoroplastic plate and outwards expands; Fluoroplastic plate and fluoroplastics were restrained in the temperature province more than fusing point and were received the pressure effect of weighing fixed simultaneously this moment, and the latter two promptly are fused to one fully the pressurize through certain insulation.Because the top of fluoroplastic plate is in the welding stove fully; Therefore temperature is consistent with furnace temperature basically, and the bottom of fluoroplastic plate is owing to exist heat to distribute, so has produced the bigger temperature difference with the top of fluoroplastic plate; The difference of swell increment makes fluoroplastic plate produce bigger distortion; The fluoroplastic plate deflection that specification is bigger generally can reach more than the 30mm, so the temperature-fall period after the welding need control, when temperature drops to the position that fusing point begins constantly to regulate the distortion limiting plate when following from top to bottom; Make the preceding situation of the approaching not welding of flatness of fluoroplastic plate, the deflection that can guarantee fluoroplastic plate after the cooling is less than 1mm.After the whole weldings of the tube sheet at two ends are accomplished, the skiver is carried out on the fluoroplastic plate surface, make the fluoroplastic plate surface keep smooth, bright and clean, make chemicals be difficult for remaining in the fluoroplastic plate surface, produce when avoiding use next time and pollute.
Therefore; The fluoroplastics heat exchanger tube sheet sintering equipment of the utility model has following advantage: make the reliable welding of tube sheet of fluoroplastics heat exchanger, the welding degree of depth can reach more than the 50mm, and face of weld does not have any defective; Slip is zero; Thoroughly solve the problem that teflon heat exchanger leaks easily, the big problem of fluoroplastic plate deflection when well having solved welding has again simultaneously improved the sealing of heat exchanger; Especially the heat exchanger tube sheet that is applied in electronic chemical product can not avoid electronic chemical product to be polluted because of irregular factor causes chemical residues.
Description of drawings:
Fig. 1 is the structural representation of the fluoroplastics heat exchanger tube sheet sintering equipment of the utility model;
Fig. 2 is the enlarged drawing at A shown in Figure 1 place;
Fig. 3 is the enlarged drawing at B shown in Figure 2 place.
The specific embodiment:
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment:
As shown in Figure 1, a kind of fluoroplastics heat exchanger tube sheet sintering equipment of the utility model comprises alloying furnace 1; Have the introducing port 3 of a fluoroplastics heat exchanger tube board component 2 in the bottom of alloying furnace 1; As shown in Figure 2, the coaxial limit ring 4 that rises that is equipped with in the inboard corresponding alloying furnaces 1 of introducing port 3 is at a rise distortion of the parallel placement of the upper surface limiting plate 6 of ring 4 of limit; Distortion limiting plate 6 ringwise; At limit ring 4 the circular orientation plate 7 of the parallel placement of lower surface that rises, circular orientation plate 7 extends horizontally to the outside of fluoroplastics tube bank 22, and at annular heat insulating mattress 10 of circular orientation plate 7 lateral surface horizontal; Limit the ring 4 that rises to be clamped between distortion limiting plate 6 and the circular orientation plate 7; And distortion limiting plate 6, circular orientation plate 7 and annular heat insulating mattress 10 are fixed on the inner side edge of introducing port 3 along last through 10 adjusting screw(rod)s 8, and fluoroplastics heat exchanger tube board component 2 is plugged on limit corresponding to an end of fluoroplastic plate 21 and rises in the ring 4, and fluoroplastic plate 21 outer ring surfaces and the limit gap of encircling between 4 inner ring surfaces of rising is 5mm; As shown in Figure 3; Be provided with several anti-pins 5 that rises in the ring 4 corresponding fluoroplastics heat exchanger tube board components 2 rising with limit, be connected with columned anticreep plush copper 9 in the medial extremity integral type of the anti-pin 5 that rises, the anti-pin 5 corresponding fluoroplastics that are plugged on fluoroplastics heat exchanger tube board component 2 that mate that rise are restrained in 22 through holes.
During use, as shown in Figure 2, comprise following sequential steps:
1) get fluoroplastics heat exchanger tube board component 2, and the pin 5 of will preventing rising inserts from top to bottom in the through hole of each fluoroplastics tube bank 22;
2) again with rising in the ring 4 corresponding to the limit of an end in introducing port 3 is inserted alloying furnace 1 of fluoroplastic plate 21 on the fluoroplastics heat exchanger tube board component 2, and tight adjusting screw(rod) 8, fluoroplastic plate 21 is fixedly clamped at the edge of introducing port 3;
3) start alloying furnace 1, insulation was 300 minutes when temperature rose to 340 ° in the alloying furnace 1, and fluoroplastics tube bank 22 is fully merged on fluoroplastic plate 21;
4) close alloying furnace 1, when the temperature in the alloying furnace 1 is reduced to 324 °, constantly regulate fastening adjustment screw rod 8, make distortion limiting plate 6 all the time concora crush reduce to room temperature at the upper surface of fluoroplastic plate 21 until alloying furnace 1 temperature;
5) remove fluoroplastics heat exchanger tube board component 2;
6) cut fluoroplastic plate 21 surfaces.
Specific embodiment described herein only is that the design to the utility model illustrates.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (5)
1. fluoroplastics heat exchanger tube sheet sintering equipment; It is characterized in that: comprise alloying furnace (1); On alloying furnace (1), be provided with the introducing port (3) of fluoroplastics heat exchanger tube board component (2); In the corresponding alloying furnace (1) of introducing port (3), be provided with and limit the ring (4) that rises; The limit ring (4) that rises is clamped on the edge of introducing port (3), and fluoroplastics heat exchanger tube board component (2) is plugged on to be limit in the ring (4) that rises, and fluoroplastic plate (21) outer ring surface on the fluoroplastics heat exchanger tube board component (2) and limit rise and be provided with the gap between the inner ring surface of ring (4); Be provided with some anti-pins (5) that rise in the corresponding fluoroplastics heat exchanger tube board component (2) of ring (4) rising with limit, the corresponding coupling of the anti-pin (5) that rises is plugged in fluoroplastics tube bank (22) through hole of fluoroplastics heat exchanger tube board component (2).
2. fluoroplastics heat exchanger tube sheet sintering equipment according to claim 1; It is characterized in that: be provided with distortion limiting plate (6) at the rise upper surface of ring (4) of said limit; Be provided with circular orientation plate (7) at the rise lower surface of ring (4) of limit; The limit ring (4) that rises is clamped between distortion limiting plate (6) and the circular orientation plate (7), and is out of shape limiting plate (6) and circular orientation plate (7) is last through the inner side edge edge that adjusting screw(rod) (8) is fixed on introducing port (3).
3. fluoroplastics heat exchanger tube sheet sintering equipment according to claim 2 is characterized in that: said circular orientation plate (7) extends horizontally to fluoroplastics tube banks (22), and on circular orientation plate (7) lateral surface, is provided with annular heat insulating mattress (10).
4. according to claim 1 or 2 or 3 described fluoroplastics heat exchanger tube sheet sintering equipments, it is characterized in that: the medial extremity at the said anti-pin (5) that rises is provided with anticreep plush copper (9).
5. according to claim 1 or 2 or 3 described fluoroplastics heat exchanger tube sheet sintering equipments, it is characterized in that: the rise gap of ring (4) and fluoroplastic plate (21) of said limit is 2% to 4% of fluoroplastic plate (a 21) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220160918 CN202582337U (en) | 2012-04-17 | 2012-04-17 | Fluoroplastic heat exchanger pipe plate sintering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220160918 CN202582337U (en) | 2012-04-17 | 2012-04-17 | Fluoroplastic heat exchanger pipe plate sintering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582337U true CN202582337U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220160918 Expired - Fee Related CN202582337U (en) | 2012-04-17 | 2012-04-17 | Fluoroplastic heat exchanger pipe plate sintering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202582337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689437A (en) * | 2012-04-17 | 2012-09-26 | 东阳市四达氟塑有限公司 | Device and method for sintering pipe plate of fluoroplastic heat-exchangerp |
-
2012
- 2012-04-17 CN CN 201220160918 patent/CN202582337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689437A (en) * | 2012-04-17 | 2012-09-26 | 东阳市四达氟塑有限公司 | Device and method for sintering pipe plate of fluoroplastic heat-exchangerp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 322118 Zhejiang city of Jinhua province Dongyang city Hengdian Town Lake Patentee after: SIDA FLUORINE PLASTIC CO.,LTD. Address before: 322118 Zhejiang city of Jinhua province Dongyang city Hengdian Town Lake Patentee before: Dongyang Sida Fluoroplastic Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20160606 Address after: 324012, Quzhou Zhejiang hi tech Industrial Park incubation building Patentee after: ZHEJIANG TRANSIT FLUORINE SILICON MATERIAL CO.,LTD. Address before: 322118 Zhejiang city of Jinhua province Dongyang city Hengdian Town Lake Patentee before: SIDA FLUORINE PLASTIC CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |