CN103542760A - Corrosion-resistant tube plate with high air tightness - Google Patents
Corrosion-resistant tube plate with high air tightness Download PDFInfo
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- CN103542760A CN103542760A CN201310404596.7A CN201310404596A CN103542760A CN 103542760 A CN103542760 A CN 103542760A CN 201310404596 A CN201310404596 A CN 201310404596A CN 103542760 A CN103542760 A CN 103542760A
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Abstract
The invention relates to a corrosion-resistant tube plate with high air tightness. A plurality of bolt holes and a plurality of tube holes are formed in a tube plate body; the tube holes are evenly distributed in the tube plate body, the bolt holes are evenly distributed in the tube plate body, and the bolt holes are used for being fixedly connected with a heat exchanger tube header; sealing grooves are formed in the tube plate body, sealing pads are made of corrosion-resistant materials and arranged in the sealing grooves of the tube holes, the sealing grooves and the sealing pads are matched, and the sealing effect is good; three annular grooves are formed in each tube hole, the annular grooves are distributed in a concentric circle with a pipeline as the center, and the shape of the cross section of each annular groove is an isosceles triangle; the annular grooves in the inner sides of the tube holes are in expansion connection with the tube plate body, fixing and sealing effects are good, and the annular grooves are suitable for extreme work occasions; the tube holes are distributed in a triangle shape, the center distances between every two adjacent tube holes of every three tube holes forming a triangle are 1.25 times and 1.5 times the diameter of each tube hole; compared with common tube hole distribution, the tube hole distribution of the tube plate improves flow speed, improves heat exchange efficiency and reduces operation cost; the corrosion-resistant materials coat the tube plate body, so that corrosion resistance of the tube plate is strong.
Description
Technical field
The present invention relates to the corrosion-resistant tube sheet of a kind of high-air-tightness, the tubular heat exchanger tube sheet that particularly a kind of shell side is corrosive fluid, belongs to design of heat exchanger field.
Background technology
The corrosion-resistant tube sheet of high-air-tightness is a kind ofly by the design to tube plate structure, to reach good airproof performance, a kind of heat exchanger connector that corrosion resistance is strong, thereby be mainly to prevent that by smear resistant material in tube sheet inner side shell-side fluid from directly washing away tube sheet and causing tube sheet inside material to corrode, reach the object that anticorrosion extends the tube sheet life-span, by design pore, open loop connected in star on pore, seal groove and sealing gasket is installed on seal groove, because the connected mode of general tube sheet and heat exchanger tube is generally expanded joint, conventional is intensity expanded joint, working long hours, it is so not tight that pore is contacted with heat exchanger tube, easily occur that shell-side fluid (or gas) mixes with shell side gas (or fluid) by gap, by making between pore and heat exchanger tube tightr to the design of pore, air-tightness successful improves, by structural design, make between tube sheet and heat exchanger tube air-tightness good, by smearing resistant material, make tube sheet good corrosion resistance.Current tube sheet pore is general through hole, mode by intensity expanded joint is connected with heat exchanger tube, the tube sheet of this structure and heat exchanger tube to be connected air-tightness bad, for the shell side fluid that is corrosive, be generally designed to compound tube sheet, tube sheet is thickened, equipment weightening finish, difficulty is installed, and the compound difficulty of bi-material is large, difficulty of processing is large.
The present invention is exactly the deficiency that will overcome existing tube sheet, provides a kind of high-air-tightness corrosion-resistant tube sheet.The existing high-air-tightness of the corrosion-resistant tube sheet of this high-air-tightness has again corrosion resistance, simple in structure, easily manufactured.
The technical problem to be solved in the present invention is: provide a kind of high-air-tightness corrosion-resistant tube sheet, this tube sheet by offering seal groove on tube sheet body, seal groove and sealing gasket cooperatively interact, good sealing effect, the annular groove of pore inner side is by tube sheet and pipe expanded joint, and fixing seal is effective, and applicable operation with high pressure, on tube sheet body, smear resistant material, make its anti-corrosion capability strong.
In order to address the above problem, the present invention is achieved through technology,
A corrosion-resistant tube sheet, comprises tube sheet body, pore, bolt hole, anticorrosive layer, sealing gasket and annular groove; On tube sheet body, have some bolts hole and some pores; Pore is evenly distributed on tube sheet body, and the diameter of pore is 6mm, 8mm, 10mm, 12mm or 15mm, pore distribution triangular in shape, and the angle between each three adjacent pore is respectively 54 °, 54 ° and 72 °; Bolt hole is evenly distributed on tube sheet body, bolt hole for being fixedly connected with of heat exchanger bobbin carriage; Anticorrosive layer spreads upon tube sheet inner side and contacts with shell side; Sealing gasket is made by resistant material, is arranged in the seal groove of pore good sealing effect; Annular groove is opened in pore inner side, has three annular grooves on pore, and annular groove becomes concentric circles to distribute centered by pipeline, and annular groove shape of cross section is isosceles triangle; On tube sheet, have some pores, pore distribution triangular in shape, in three pores of the composition Triangle-Profile that each is adjacent, adjacent two pore centre-to-centre spacing are respectively 1.25 times and 1.5 times of pore diameter; With conventional pore distribution ratio, improved flow velocity, improved heat exchange efficiency; On pore, have seal groove, the effect of cooperatively interacting of seal groove and sealing gasket, the annular groove of pore inner side is by tube sheet and heat exchanger tube intensity expanded joint, good fixing effect, good sealing effect, and applicable operation with high pressure, resistant material is smeared in tube sheet inner side, make it prevent corrosion, it is strong that this tube sheet has rotproofness ability, and its good sealing effect is reasonable in design, be applicable to harsh workplace, the feature such as easy to use.
On tube sheet body, have some bolts hole, have some pores; Pore is evenly distributed on tube sheet body, and bolt hole is evenly distributed on tube sheet body, bolt hole for being fixedly connected with of heat exchanger bobbin carriage;
Annular groove is opened in pore inner side, has three annular grooves on pore, and annular groove becomes concentric circles to distribute centered by pipeline, and annular groove shape of cross section is isosceles triangle;
On tube sheet, have some pores, the diameter of pore is 6mm, 8mm, 10mm, 12mm or 15mm, pore distribution triangular in shape, and the angle between each three adjacent pore is respectively 54 °, 54 ° and 72 °; In three pores that each adjacent composition △ shape distributes, adjacent two pore centre-to-centre spacing are respectively 1.25 times and 1.5 times of pore diameter; With conventional pore distribution ratio, improved flow velocity, improved heat exchange efficiency;
On pore, have seal groove, the effect of cooperatively interacting of seal groove and sealing gasket, the annular groove of pore inner side is by tube sheet and heat exchanger tube intensity expanded joint, good fixing effect, good sealing effect, and applicable operation with high pressure;
Resistant material is smeared in tube sheet inner side, makes it prevent corrosion, and it is strong that this tube sheet has rotproofness ability;
Adopted technique scheme, the invention has the beneficial effects as follows:
On tube sheet body, offer seal groove, seal groove and sealing gasket cooperatively interact, good sealing effect, the annular groove of pore inner side is by tube sheet and pipe expanded joint, fixing seal is effective, and applicable operation with high pressure, pore distribution triangular in shape, in three pores of the composition Triangle-Profile that each is adjacent, adjacent two pore centre-to-centre spacing are respectively 1.25 times and 1.5 times of pore diameter; With conventional pore distribution ratio, improved flow velocity, improved heat exchange efficiency; On tube sheet body, smear resistant material, make its anti-corrosion capability strong.
Therefore, the present invention compares with existing tube sheet, has outstanding advantage and is: on (1) tube sheet body, offer seal groove, seal groove and sealing gasket cooperatively interact, good sealing effect, and the annular groove of pore inner side is by tube sheet and pipe expanded joint, fixing seal is effective, is applicable to harsh workplace; (2) pore distribution triangular in shape, with conventional pore distribution ratio, has improved flow velocity, has improved heat exchange efficiency, thereby reduces running cost; (3) on tube sheet body, smear resistant material, make its anti-corrosion capability strong; (4) stable operation, simple in structure, easily manufactured.
The corrosion-resistant tube sheet of a kind of high-air-tightness provided by the invention is structurally simple, easily manufactured; Can either under etching condition, operate, can reach again the effect of high-air-tightness, be applicable to harsh workplace.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is generalized sections along A-A direction of Fig. 1;
Accompanying drawing 3 is partial enlarged drawings of Fig. 2 regional area;
In accompanying drawing: 1. tube sheet body; 2. pore; 3. bolt hole; 4. anticorrosive layer; 5. sealing gasket; 6. annular groove.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.As shown in Figure 1, 2, 3, on tube sheet body 1, have some bolts hole 3, have some pores 2; Pore 2 is evenly distributed on tube sheet body 1, and bolt hole 3 is evenly distributed on tube sheet body 1, bolt hole 3 for being fixedly connected with of heat exchanger bobbin carriage; On tube sheet body 1, offer seal groove, seal groove and sealing gasket 5 cooperatively interact, and good sealing effect has three annular grooves 5 on pore 2, and annular groove 6 becomes concentric circles to distribute centered by pipeline, and annular groove 6 shape of cross sections are isosceles triangle; The annular groove 6 of pore 2 inner sides is by tube sheet body 1 and pipe expanded joint, and fixing seal is effective, is applicable to harsh workplace; Pore 2 distribution triangular in shape, with conventional pore 2 distribution ratios, has improved flow velocity, has improved heat exchange efficiency, thereby reduces running cost; On tube sheet body 1, smear resistant material 4, make its anti-corrosion capability strong.
Finally it should be noted that: above embodiment is only in order to illustrate this explanation unrestricted technical scheme described in the invention; Therefore, although this description has been described in detail the present invention with reference to the above embodiments,, those of ordinary skill in the art should be appreciated that still and can modify or be equal to replacement the present invention; And all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. the corrosion-resistant tube sheet of high-air-tightness, is characterized in that: comprise tube sheet body, pore, bolt hole, anticorrosive layer, sealing gasket and annular groove; On described tube sheet body, have some bolts hole and some pores; Described pore is evenly distributed on tube sheet body, and the diameter of pore is 6mm, 8mm, 10mm, 12mm or 15mm, pore distribution triangular in shape, and the angle between each three adjacent pore is respectively 54 °, 54 ° and 72 °; Described bolt hole is evenly distributed on tube sheet body, bolt hole for being fixedly connected with of heat exchanger bobbin carriage; Described anticorrosive layer spreads upon tube sheet inner side and contacts with shell side; Described sealing gasket is made by resistant material, is arranged in the seal groove of pore good sealing effect; Described annular groove is opened in pore inner side, has three annular grooves on pore, and annular groove becomes concentric circles to distribute centered by pipeline, and annular groove shape of cross section is isosceles triangle; On tube sheet, have some pores, pore distribution triangular in shape, in three pores of the composition Triangle-Profile that each is adjacent, adjacent two pore centre-to-centre spacing are respectively 1.25 times and 1.5 times of pore diameter; With conventional pore distribution ratio, improved flow velocity, improved heat exchange efficiency; On pore, have seal groove, the effect of cooperatively interacting of seal groove and sealing gasket, the annular groove of pore inner side is by tube sheet and heat exchanger tube intensity expanded joint, good fixing effect, good sealing effect, and applicable operation with high pressure, resistant material is smeared in tube sheet inner side, make it prevent corrosion, it is strong that this tube sheet has rotproofness ability, and its good sealing effect is reasonable in design, be applicable to harsh workplace, the feature such as easy to use.
2. the corrosion-resistant tube sheet of a kind of high-air-tightness as claimed in claim 1, is characterized in that: on tube sheet body, have some bolts hole, have some pores; Pore is evenly distributed on tube sheet body, and bolt hole is evenly distributed on tube sheet body, bolt hole for being fixedly connected with of heat exchanger bobbin carriage, resistant material is smeared in tube sheet inner side, makes it prevent corrosion, it is strong that this tube sheet has rotproofness ability.
3. the corrosion-resistant tube sheet of a kind of high-air-tightness as claimed in claim 1, it is characterized in that: annular groove is opened in pore inner side, on pore, have three annular grooves, annular groove becomes concentric circles to distribute centered by pipeline, and annular groove shape of cross section is isosceles triangle.
4. the corrosion-resistant tube sheet of a kind of high-air-tightness as claimed in claim 1, is characterized in that: on tube sheet, have some pores, and pore distribution triangular in shape, the angle between each three adjacent pore is respectively 54 °, 54 ° and 72 °; In three pores of the composition Triangle-Profile that each is adjacent, adjacent two pore centre-to-centre spacing are respectively 1.25 times and 1.5 times of pore diameter; With conventional pore distribution ratio, improved flow velocity, improved heat exchange efficiency.
5. the corrosion-resistant tube sheet of a kind of high-air-tightness as claimed in claim 1, it is characterized in that: on pore, have seal groove, the effect of cooperatively interacting of seal groove and sealing gasket, the annular groove of pore inner side is by tube sheet and heat exchanger tube intensity expanded joint, good fixing effect, good sealing effect, and applicable operation with high pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404596.7A CN103542760A (en) | 2013-09-07 | 2013-09-07 | Corrosion-resistant tube plate with high air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404596.7A CN103542760A (en) | 2013-09-07 | 2013-09-07 | Corrosion-resistant tube plate with high air tightness |
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| CN103542760A true CN103542760A (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310404596.7A Pending CN103542760A (en) | 2013-09-07 | 2013-09-07 | Corrosion-resistant tube plate with high air tightness |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157466A (en) * | 2015-08-25 | 2015-12-16 | 兰州兰石集团有限公司 | Connecting structure of pipe shell type heat exchanger pipe plate and heat exchange pipe |
| CN105547002A (en) * | 2016-01-14 | 2016-05-04 | 大唐(北京)能源管理有限公司 | Condenser transformation structure and method |
| CN110686271A (en) * | 2019-10-15 | 2020-01-14 | 老河口新景科技有限责任公司 | Air heater with air-tight seal structure |
| CN113865408A (en) * | 2020-06-30 | 2021-12-31 | 中国科学院广州能源研究所 | Plastic sealing element structure |
-
2013
- 2013-09-07 CN CN201310404596.7A patent/CN103542760A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157466A (en) * | 2015-08-25 | 2015-12-16 | 兰州兰石集团有限公司 | Connecting structure of pipe shell type heat exchanger pipe plate and heat exchange pipe |
| CN105547002A (en) * | 2016-01-14 | 2016-05-04 | 大唐(北京)能源管理有限公司 | Condenser transformation structure and method |
| CN110686271A (en) * | 2019-10-15 | 2020-01-14 | 老河口新景科技有限责任公司 | Air heater with air-tight seal structure |
| CN110686271B (en) * | 2019-10-15 | 2022-01-07 | 老河口新景科技有限责任公司 | Air heater with air-tight seal structure |
| CN113865408A (en) * | 2020-06-30 | 2021-12-31 | 中国科学院广州能源研究所 | Plastic sealing element structure |
| CN113865408B (en) * | 2020-06-30 | 2024-04-02 | 中国科学院广州能源研究所 | Plastic sealing element structure |
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Application publication date: 20140129 |