CN203744771U - Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment - Google Patents
Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment Download PDFInfo
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- CN203744771U CN203744771U CN201420124222.XU CN201420124222U CN203744771U CN 203744771 U CN203744771 U CN 203744771U CN 201420124222 U CN201420124222 U CN 201420124222U CN 203744771 U CN203744771 U CN 203744771U
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- shaped pipe
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Abstract
The utility model discloses a carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment. The carbon steel solid aluminized U-shaped tube heat exchanger tube bundle comprises multiple U-shaped tubes. The U-shaped tubes are arranged in layers according to the curvature. The open ends of the U-shaped tubes all penetrate through through holes in a tube plate. Baffle plates are arranged between the U-shaped tubes. The inner surface and the outer surface of each U-shaped tube are respectively provided with an aluminized layer. The tube plate is provided with a corrosion-resisting alloy layer. The special U-shaped tube solid aluminizing equipment comprises a U-shaped container. A movable plug is arranged at the bottom end of the U-shaped container. A fixed flange and a flange cover are arranged at the two open ends of the U-shaped container respectively. Multiple lattices formed by intersecting horizontal steel bars and vertical steel bars are arranged in the U-shaped container. The U-shaped container is filled with solid powder aluminizing agents. The carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and the special solid aluminizing equipment are easy to operate, capable of meeting the requirement for aluminizing of the U-shaped tubes with various sizes, particularly suitable for tube nest type heat exchange of petroleum and chemical engineering devices, and convenient to popularize and use.
Description
technical field:
The utility model relates to a kind of U-shaped pipe in pipe tube bank, particularly relates to a kind of carbon steel solid alitizing U-shaped pipe in pipe tube bank.
background technology:
U-shaped pipe in pipe is one of principal mode of tubular heat exchanger, generally apply in industries such as oil, chemical industry, metallurgy, electric power, medicine, heat transferring medium is the main reason that causes U-shaped pipe in pipe normally not use to the corrosion of U-shaped pipe in pipe tube bank, and therefore solving U-shaped pipe in pipe tube bank Anticorrosion is one of subject matter of U-shaped pipe in pipe safety, long period use.
Therefore by the heat exchanger tube surfaces externally and internally of U-shaped pipe in pipe tube bank is carried out to solid alitizing, making heat exchanger tube surfaces externally and internally formation one deck have the alfer layer of special corrosion resistance, is to solve U-shaped heat exchange of heat pipe to restrain the conventional anti-corrosion method corroding under the operating modes such as heat transferring medium sulfur-bearing, hydrogen sulfide, aphthenic acids.
utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of antiseptic power strong, the tube bank of carbon steel solid alitizing U-shaped pipe in pipe and the solid alitizing special equipment of good effect of heat exchange.
The technical solution of the utility model is: a kind of carbon steel solid alitizing U-shaped pipe in pipe tube bank, contain multiple U-shaped pipes, all described U-shaped pipes are according to the big or small layering setting of curvature, and, the openend of all described U-shaped pipes all runs through the through hole on tube sheet, and described U-shaped pipe is provided with deflection plate, on the inner surface of described U-shaped pipe and outer surface, is provided with aluminized coating, on described tube sheet, be provided with corrosion resisting alloy layer, described U-shaped pipe and tube sheet weld together by aluminizing pipe welding procedure.
Described corrosion resisting alloy layer heap is welded on the surface of described tube sheet, and described corrosion resisting alloy layer is Gao Ge, nickel alloy layer.
The contact position of described tube sheet and described U-shaped tube opening end is provided with angle welding, and the two is by being welded and fixed, and the inside and outside lip-deep aluminized coating of described U-shaped pipe adopts solid alitizing method to arrange.
A kind of U-shaped pipe solid alitizing special equipment, contain U-shaped container, it is characterized in that: the bottom of described U-shaped container is provided with movable plug, two openends of described U-shaped container are respectively arranged with mounting flange and blind flange, described mounting flange and blind flange are bolted to connection, in described U-shaped container, be provided with the grid that the gentle vertical isolation reinforcing bar of multiple tracks water intersects to form, U-shaped pipe described in claim 1-4 any one all can be set in each grid, in described U-shaped container, be full of pack aluminizing agent.。
Between two openends of described U-shaped container, be provided with at least one gripper shoe, between described mounting flange and blind flange, be provided with sealing mechanism.
Described plug is connected with described U-shaped container by bolt, and is provided with sealing mechanism between the two.
The beneficial effects of the utility model are:
1, it is anticorrosion that the utility model is thickeied processing by U-shaped pipe being carried out to solid alitizing, deflection plate, tube sheet carries out part, then three parts assembled, and reaches the antiseptic effect of carbon steel solid alitizing U-shaped tube heat exchanger tube integrated solid aluminising.
2, the utility model U-shaped pipe solid alitizing special equipment adopts the U-shaped structure at two mouthfuls, an end, this device bottom is communicated with, top is two square openings with flange, can make the U-shaped pipe layering of differently curved radius pack in aluminising case and carry out solid entrapping aluminising, such structure also makes U-shaped pipe be heated evenly in solid alitizing heating process.
3, the utility model carries out solid alitizing to U-shaped pipe, increase the corrosion allowance (generally increasing 2mm) of deflection plate, tube sheet end face carries out built-up welding corrosion resistant alloy, then three parts are assembled, and exchange the tube head weld seam of heat pipe and tube sheet and the end face of tube sheet does further preservative treatment, make a kind of carbon steel solid alitizing U-shaped pipe in pipe tube bank there is complete antiseptic property.
4, the utility model U-shaped pipe solid alitizing special equipment inside is provided with the grid that the gentle vertical reinforcing bar cross wise reinforcement of multiple tracks water forms, this grid will effectively be isolated by the pipe of aluminising, effectively ensures that the pipe of each velamen aluminising has enough spaces to be full of by pack aluminizing agent around.
5, the utility model is simple to operate, can meet the aluminising of the U-shaped pipe to sizes, is particularly useful for oil, chemical plant installations shell and tube heat exchange used aspect, is convenient to promote the use of.
brief description of the drawings:
Fig. 1 is the structural representation of carbon steel solid alitizing U-shaped tube heat exchanger tube.
Fig. 2 is the structural representation of U-shaped pipe solid alitizing special equipment.
Fig. 3 is the local enlarged diagram of I in Fig. 1.
Fig. 4 is A-A schematic cross-section in Fig. 2.
detailed description of the invention:
Embodiment: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, in figure, 1-plug, 2-housing, 3-U shape pipe, the agent of 4-pack aluminizing, 5-flange, 6-blind flange, 7-bolt, 8-isolates reinforcing bar, 9-gripper shoe, 12-deflection plate, 13-tube sheet, 14-corrosion resistant high alloy layer, 15-angle welding.
The tube bank of carbon steel solid alitizing U-shaped pipe in pipe contains multiple U-shaped pipes 3, all U-shaped pipes 3 are according to the big or small layering setting of curvature, and, the openend of all U-shaped pipes 3 all runs through the through hole on tube sheet 13, between U-shaped pipe 3, be provided with deflection plate 12, on the inner surface of U-shaped pipe 3 and outer surface, be provided with aluminized coating, be provided with corrosion resisting alloy layer 14 on tube sheet 13, U-shaped pipe 3 and tube sheet 13 weld together by aluminizing pipe welding procedure.
Corrosion resisting alloy layer heap is welded on the surface of described tube sheet 13, and corrosion resisting alloy layer is Gao Ge, nickel alloy layer.
The contact position of tube sheet and described U-shaped pipe 3 openends is provided with angle welding 15, and the two is by being welded and fixed.The inside and outside lip-deep aluminized coating of U-shaped pipe 3 adopts solid alitizing method to arrange.
U-shaped pipe solid alitizing special equipment contains U-shaped container, wherein: the bottom of U-shaped container is provided with movable plug 1, two openends of U-shaped container are respectively arranged with mounting flange 5 and blind flange 6, mounting flange 5 is fixedly connected with by bolt 7 with blind flange 6, in U-shaped container, be provided with the grid that the gentle vertical isolation reinforcing bar 8 of multiple tracks water intersects to form, U-shaped pipe 3 described in claim 1-4 any one all can be set in each grid, in U-shaped container, be full of pack aluminizing agent 4.
Between two openends of U-shaped container, be provided with at least one gripper shoe 9, between mounting flange 5 and blind flange 6, be provided with sealing mechanism.
Plug 1 is connected with described U-shaped container by bolt 7, and is provided with sealing mechanism between the two.
When use, open U-shaped pipe solid alitizing special equipment plug 1 and upper opening, different curvature radius U-shaped pipe 3 layerings of having filled pack aluminizing agent 4 in pipe are placed in U-shaped pipe solid alitizing special equipment by root, make every pipe and other pipes and U-shaped pipe solid alitizing special equipment edge keep certain interval with isolating reinforcing bar 8, the U-shaped pipe 3 of different curvature radius is sealed plug 1 after filling U-shaped pipe solid alitizing special equipment, two square openings erect U-shaped pipe solid alitizing special equipment upward, toward its interior filling pack aluminizing agent 4, vibrate in filling limit, limit, till filling it up with, to ooze case two square opening good seals with high temperature sealing material uses blind flange 6 by sealing suitable for reading, then U-shaped pipe solid alitizing special equipment being entered to heating furnace heats by certain heat treatment cycle curve, constant temperature, cooling, come out of the stove.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a carbon steel solid alitizing U-shaped pipe in pipe tube bank, contain multiple U-shaped pipes, it is characterized in that: all described U-shaped pipes are according to the big or small layering setting of curvature, and, the openend of all described U-shaped pipes all runs through the through hole on tube sheet, between described U-shaped pipe, is provided with deflection plate, on the inner surface of described U-shaped pipe and outer surface, is provided with aluminized coating, on described tube sheet, be provided with corrosion resisting alloy layer, described U-shaped pipe and tube sheet weld together by aluminizing pipe welding procedure.
2. carbon steel solid alitizing U-shaped pipe in pipe tube bank according to claim 1, is characterized in that: the inside and outside lip-deep aluminized coating of described U-shaped pipe adopts solid alitizing method to arrange.
3. carbon steel solid alitizing U-shaped pipe in pipe tube bank according to claim 1, is characterized in that: described corrosion resisting alloy layer heap is welded on the surface of described tube sheet, and described corrosion resisting alloy layer is Gao Ge, nickel alloy layer.
4. carbon steel solid alitizing U-shaped pipe in pipe tube bank according to claim 1, is characterized in that: the contact position of described tube sheet and described U-shaped tube opening end is provided with angle welding, and the two is by being welded and fixed.
5. a U-shaped pipe solid alitizing special equipment, contain U-shaped container, it is characterized in that: the bottom of described U-shaped container is provided with movable plug, two openends of described U-shaped container are respectively arranged with mounting flange and blind flange, described mounting flange and blind flange are bolted to connection, in described U-shaped container, be provided with the grid that the gentle vertical steel isolation bar of multiple tracks water intersects to form, U-shaped pipe described in claim 1-4 any one all can be set in each grid, in described U-shaped container, be full of pack aluminizing agent.
6. U-shaped pipe solid alitizing special equipment according to claim 5, is characterized in that: between two openends of described U-shaped container, be provided with at least one gripper shoe.
7. U-shaped pipe solid alitizing special equipment according to claim 5, is characterized in that: described plug is connected with described U-shaped container by bolt, and is provided with sealing mechanism between the two.
8. U-shaped pipe solid alitizing special equipment according to claim 5, is characterized in that: between described mounting flange and blind flange, be provided with sealing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124222.XU CN203744771U (en) | 2014-03-19 | 2014-03-19 | Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124222.XU CN203744771U (en) | 2014-03-19 | 2014-03-19 | Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744771U true CN203744771U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124222.XU Expired - Fee Related CN203744771U (en) | 2014-03-19 | 2014-03-19 | Carbon steel solid aluminized U-shaped tube heat exchanger tube bundle and special solid aluminizing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186297A (en) * | 2019-07-02 | 2019-08-30 | 江苏晨力环保科技有限公司 | Acidproof heat exchanger |
| CN115254509A (en) * | 2022-08-03 | 2022-11-01 | 河南省鼎鼎实业有限公司 | Reinforcing steel bar production line with formed corrosion-resistant layer and preparation method of corrosion-resistant layer |
-
2014
- 2014-03-19 CN CN201420124222.XU patent/CN203744771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186297A (en) * | 2019-07-02 | 2019-08-30 | 江苏晨力环保科技有限公司 | Acidproof heat exchanger |
| CN115254509A (en) * | 2022-08-03 | 2022-11-01 | 河南省鼎鼎实业有限公司 | Reinforcing steel bar production line with formed corrosion-resistant layer and preparation method of corrosion-resistant layer |
| CN115254509B (en) * | 2022-08-03 | 2023-04-21 | 河南省鼎鼎实业有限公司 | Reinforcing steel bar production line with corrosion-resistant layer and preparation method of corrosion-resistant layer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20150319 |
|
| EXPY | Termination of patent right or utility model |