CN104072200A - Device capable of eliminating internal stress and microcracks of extruded graphite pipe - Google Patents
Device capable of eliminating internal stress and microcracks of extruded graphite pipe Download PDFInfo
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- CN104072200A CN104072200A CN201410315924.0A CN201410315924A CN104072200A CN 104072200 A CN104072200 A CN 104072200A CN 201410315924 A CN201410315924 A CN 201410315924A CN 104072200 A CN104072200 A CN 104072200A
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Abstract
The invention discloses a device capable of eliminating the internal stress and microcracks of an extruded graphite pipe. According to the device, a vacuum pump (1) is connected with a horizontal immersion kettle (8) by virtue of a first pipeline (2), a first valve (3) and a second valve (5), a resin tank (4) is connected with the horizontal immersion kettle (8) by virtue of a second pipeline (7) and a third valve (6), the pressurizing device (9) is simultaneously connected with the horizontal immersion kettle (8) and a horizontal heat treatment kettle (17) and a heater (32) is arranged on the horizontal heat treatment kettle. Compared with the prior art, the device disclosed by the invention has the advantages that when the graphite pipe is produced by virtue of the device, the internal stress and microcracks of the extruded graphite pipe can be effectively eliminated and thus the service life of the extruded graphite pipe is prolonged and safety and environmental incidents caused by the contamination and leakage of materials and a circulation water system for carrying out hot exchange are avoided.
Description
Technical field
The invention belongs to chemical material technical field, particularly a kind of device of eliminating extruding internal stress and tiny crack.
Background technology
In Chemical Manufacture, the carbon tube that existing graphite tubular heat exchange adopts, normally by after hydropress extrusion molding, adopts outdoor stacking naturally more than 6 months, to eliminate internal stress, there is no carbon tube dipping and thermal treatment process.Therefore, also just without carbon tube dipping and thermal treatment unit., through the carbon tube of carbon tube dipping and thermal treatment process production, its shortcoming does not have: 1, pilling up time is long, takes up room large, needs a large amount of production capitals; 2, elimination internal stress is not thorough, can produce carbon tube fracture during use, and the graphite tubular heat exchange of production is short work-ing life, to user, causes huge parking loss and increases maintenance cost; 3, can not eliminate the tiny crack that carbon tube produces in extrusion process, in use the impact endurance test shock of liquid body medium can make micro-crack extension, thereby makes carbon tube seepage or fracture, can not use, and to manufacturing enterprise, causes huge financial loss; 4, in carbon tube extruding solidification process, produce heat release venting reaction, making has small pore in carbon tube, in use produces micro-seepage, affects quality product and service life of equipment.Because the seepage of material can be polluted the circulating water system of carrying out heat exchange with it, thereby cause safety and environmental protection accident; 5, extrusion resin carbon tube adopts nature to stack, and intensity is not high, can only bear the pressure of 0.4～0.8Mpa, and its use range is restricted, and seriously restricts development and the use of China's graphite tubular heat exchange.
Summary of the invention
The object of the present invention is to provide a kind of device of eliminating extruding internal stress and tiny crack, to solve short, normal technical problems such as micro-seepage that produce in use in graphite tubular heat exchange work-ing life of producing in prior art.
The technical solution used in the present invention is:
A kind of device of eliminating extruded anisotropic graphite pipe internal stress and tiny crack, this device is by comprising vacuum pump, vacuum pump 1 is by the first pipeline 2, the first valve 3 is connected with horizontal dipping still 8 with the second valve 5, resin storage tank 4 is connected with horizontal dipping still 8 with the 3rd valve 6 by second pipe 7, pressurizing device 9 is by the 4th valve 21, the 4th pipeline 27, the 3rd pipeline 10 is connected with horizontal dipping still 8 with the second valve 5, pressurizing device 9 is by the 4th valve 21 simultaneously, the 4th pipeline 27 is connected with horizontal thermal treatment still 17 with the 5th valve 28, horizontal thermal treatment still 8 is provided with well heater 32.
End socket 15 is equipped with at horizontal dipping still 8 two ends, be positioned on saddle 16, horizontal dipping still 8 length are 3500-8000mm, and diameter is Ф 500-Ф 1200, cylindrical shell thickness is 6-16mm, and the first safety valve 14, the first tensimeter 12, first emptying valve 13 and thermometer 11 are connected on horizontal dipping still 8.
Pressurizing device 9 is comprised of compressor 24, air cushioning tank 23, compressor 24 is connected on air cushioning tank 23 by the 5th pipeline 36 and the 6th valve 18, on air cushioning tank 23, be also connected with the second tensimeter 19, the second safety valve 20, in its bottom, be connected with the first dirt discharging valve 22.
Air cushioning tank 23 diameters are Ф 400-Ф 1000mm, and length is 500-1500mm.
Between horizontal dipping still 8 and ground, have the pitch angle of 2 °-15 °, feed end is high.
Resin storage tank 4 is right cylinder, rectangular parallelepiped or square.
Horizontal thermal treatment still 17 length are 3500-8000mm, diameter is Ф 500-Ф 800, cylindrical shell thickness is 6-16mm, cylindrical shell outside is provided with thermal insulation layer 31, in cylindrical shell, being provided with carbon tube is connected with horizontal thermal treatment still 17 every orifice plate 33, the second dirt discharging valves 26, the 3rd tensimeter 34, thermometer 35, the 3rd safety valve 29, second emptying valve 30.
Carbon tube has 3-10 group every orifice plate 33.
Well heater 32 is located in horizontal thermal treatment still 17 or outside still.
Compared with prior art, tool has the following advantages in the present invention:
1,, through the carbon tube of this device production, greatly improved the ultimate compression strength of extruded anisotropic graphite pipe.After tested, the extruded anisotropic graphite pipe of same size is compared with extruded anisotropic graphite pipe in the past, and tensile strength improves 2 times, and ultimate compression strength improves 3 times, and anti-radial pressure intensity improves 2.5 times.
2, through the carbon tube of this device production, can effectively eliminate internal stress and the tiny crack of extruded anisotropic graphite pipe, prevent crack propagation.
3, due to non-microcracked, the shock resistance of extruded anisotropic graphite pipe and anti-leakage performance are also improved widely, thereby extend the work-ing life of extruded anisotropic graphite pipe, avoided carrying out because of material leakage pollution and it the safety and environmental protection accident that the circulating water system of heat exchange causes.
Accompanying drawing explanation
Fig. 1 is device schematic diagram of the present invention.
1-vacuum pump, 2-the first pipeline, 3-the first valve, 4-resin storage tank, 5-the second valve, 6-the 3rd valve, 7-second pipe, the horizontal dipping still of 8-, 9-pressurizing device, 10-the 3rd pipeline, 11-thermometer, 12-the first tensimeter, 13-first emptying valve, 14-the first safety valve, 15-end socket, 16-saddle, the horizontal thermal treatment still of 17-, 18-the 6th valve, 19-the second tensimeter, 20-the second safety valve, 21-the 4th valve, 22-the first dirt discharging valve, 23-air cushioning tank, 24-compressor, 25-temperature regulator, 26-the second dirt discharging valve, 27-the 4th pipeline, 28-the 5th valve, 29-the 3rd safety valve, 30-second emptying valve, 31-thermal insulation layer, 32-well heater 33-carbon tube is every orifice plate, 34-the 3rd tensimeter, 35-thermometer, 36-the 5th pipeline.
Embodiment
Embodiment 1:
Vacuum pump 1 is connected with horizontal dipping still 8 with the second valve 5 by the first pipeline 2, the first valve 3, resin storage tank 4 is connected with horizontal dipping still 8 with the 3rd valve 6 by second pipe 7, pressurizing device 9 is connected with horizontal dipping still 8 with the second valve 5 by the 4th valve 21, the 4th pipeline 27, the 3rd pipeline 10, pressurizing device 9 is connected with horizontal thermal treatment still 17 with the 5th valve 28 by the 4th valve 21, the 4th pipeline 27 simultaneously, and horizontal thermal treatment still 17 is provided with well heater 32.
End socket 15 is equipped with at horizontal dipping still 8 two ends, be positioned on saddle 16, horizontal dipping still 8 length are 5000mm, and diameter is Ф 600, cylindrical shell thickness is 8mm, and the first safety valve 14, the first tensimeter 12, first emptying valve 13 and thermometer 11 are connected on horizontal dipping still 8.
Pressurizing device 9 is comprised of compressor 24, air cushioning tank 23, compressor 24 is connected on air cushioning tank 23 by the 5th pipeline 36 and the 6th valve 18, on air cushioning tank 23, be also connected with the second tensimeter 19, the second safety valve 20, in its bottom, be connected with the first dirt discharging valve 22.
Air cushioning tank 23 diameters are Ф 600mm, and length is 800mm.
Between horizontal dipping still 8 and ground, have the pitch angle of 5 °, feed end is high.
Resin storage tank 4 is right cylinder, its Ti Ji≤horizontal dipping still 8.
Horizontal thermal treatment still 17 length are 3500mm, diameter is Ф 500mm, cylindrical shell thickness is 6mm, cylindrical shell outside is provided with thermal insulation layer 31, in cylindrical shell, being provided with carbon tube is connected with horizontal thermal treatment still 17 every orifice plate 33, the second dirt discharging valves 26, the 3rd tensimeter 34, thermometer 35, the 3rd safety valve 29, second emptying valve 30.
Carbon tube has 3 groups every orifice plate 33, to separate carbon tube when thermal treatment, prevents after carbon tube thermal treatment cemented together.
Well heater 32 is located in horizontal thermal treatment still 17, is convenient to the air in heating kettle 32, reaches the object that carbon tube is heat-treated.
Well heater 32 is provided with temperature regulator 25, and thermoregulation range is between 0-450 ℃.
Embodiment 2:
Vacuum pump 1 is connected with horizontal dipping still 8 with the second valve 5 by the first pipeline 2, the first valve 3, resin storage tank 4 is connected with horizontal dipping still 8 with the 3rd valve 6 by second pipe 7, pressurizing device 9 is connected with horizontal dipping still 8 with the second valve 5 by the 4th valve 21, the 4th pipeline 27, the 3rd pipeline 10, pressurizing device 9 is connected with horizontal thermal treatment still 17 with the 5th valve 28 by the 4th valve 21, the 4th pipeline 27 simultaneously, and horizontal thermal treatment still 17 is provided with well heater 32.
End socket 15 is equipped with at horizontal dipping still 8 two ends, be positioned on saddle 16, horizontal dipping still 8 length are 6000mm, and diameter is Ф 800, cylindrical shell thickness is 10mm, and the first safety valve 14, the first tensimeter 12, first emptying valve 13 and thermometer 11 are connected on horizontal dipping still 8.
Pressurizing device 9 is comprised of compressor 24, air cushioning tank 23, compressor 24 is connected on air cushioning tank 23 by the 5th pipeline 36 and the 6th valve 18, on air cushioning tank 23, be also connected with the second tensimeter 19, the second safety valve 20, in its bottom, be connected with the first dirt discharging valve 22.
Air cushioning tank 23 diameters are that diameter is Ф 800mm, and length is 1000mm.
Between horizontal dipping still 8 and ground, have the pitch angle of 8 °, feed end is high.
Resin storage tank 4 is rectangular parallelepiped, its Ti Ji≤horizontal dipping still 8.
Horizontal thermal treatment still 17 length are 4000mm, diameter is Ф 600mm, cylindrical shell thickness is 8mm, cylindrical shell outside is provided with thermal insulation layer 31, in cylindrical shell, being provided with carbon tube is connected with horizontal thermal treatment still 17 every orifice plate 33, the second dirt discharging valves 26, the 3rd tensimeter 34, thermometer 35, the 3rd safety valve 29, second emptying valve 30.
Carbon tube has 4 groups every orifice plate 33, to separate carbon tube when thermal treatment, prevents after carbon tube thermal treatment cemented together.
Well heater 32 is located at outside horizontal thermal treatment still 17, is convenient to install.Air by well heater 32 heating kettles, reaches the object that carbon tube is heat-treated.
Well heater 32 is provided with temperature regulator 25, and thermoregulation range is between 0-400 ℃.
Embodiment 3:
Vacuum pump 1 is connected with horizontal dipping still 8 with the second valve 5 by the first pipeline 2, the first valve 3, resin storage tank 4 is connected with horizontal dipping still 8 with the 3rd valve 6 by second pipe 7, pressurizing device 9 is connected with horizontal dipping still 8 with the second valve 5 by the 4th valve 21, the 4th pipeline 27, the 3rd pipeline 10, pressurizing device 9 is connected with horizontal thermal treatment still 17 with the 5th valve 28 by the 4th valve 21, the 4th pipeline 27 simultaneously, and horizontal thermal treatment still is provided with well heater 32.
End socket 15 is equipped with at horizontal dipping still 8 two ends, be positioned on saddle 16, horizontal dipping still 8 length are 7000mm, and diameter is Ф 1000, cylindrical shell thickness is 14mm, and the first safety valve 14, the first tensimeter 12, first emptying valve 13 and thermometer 11 are connected on horizontal dipping still 8.
Pressurizing device 9 is comprised of compressor 24, air cushioning tank 23, compressor 24 is connected on air cushioning tank 23 by the 5th pipeline 36 and the 6th valve 18, on air cushioning tank 23, be also connected with the second tensimeter 19, the second safety valve 20, in its bottom, be connected with the first dirt discharging valve 22.
Air cushioning tank 23 diameters are Ф 900mm, and length is 1200mm.
Between horizontal dipping still 8 and ground, have the pitch angle of 10 °, feed end is high.
Resin storage tank 4 is square, its Ti Ji≤horizontal dipping still 8.
Horizontal thermal treatment still 17 length are 6000mm, diameter is Ф 700mm, cylindrical shell thickness is 12mm, cylindrical shell outside is provided with thermal insulation layer 31, in cylindrical shell, being provided with carbon tube is connected with horizontal thermal treatment still 17 every orifice plate 33, the second dirt discharging valves 26, the 3rd tensimeter 34, thermometer 35, the 3rd safety valve 29, second emptying valve 30.
Carbon tube has 6 groups every orifice plate 33, to separate carbon tube when thermal treatment, prevents after carbon tube thermal treatment cemented together.
Well heater 32 is located in horizontal thermal treatment still 17, is convenient to the air in heating kettle, reaches the object that carbon tube is heat-treated.
Well heater 32 is provided with temperature regulator 25, and thermoregulation range is between 0-300 ℃.
Claims (9)
1. a device of eliminating extruded anisotropic graphite pipe internal stress and tiny crack, it is characterized in that: comprise vacuum pump (1), vacuum pump (1) is by the first pipeline (2), the first valve (3) is connected with horizontal dipping still (8) with the second valve (5), resin storage tank (4) is connected with horizontal dipping still (8) with the 3rd valve (6) by second pipe (7), pressurizing device (9) is by the 4th valve (21), the 4th pipeline (27), the 3rd pipeline (10) is connected with horizontal dipping still (8) with the second valve (5), pressurizing device (9) is by the 4th valve (21) simultaneously, the 4th pipeline (27) is connected with horizontal thermal treatment still (17) with the 5th valve (28), horizontal thermal treatment still (17) is provided with well heater (32).
2. the device of elimination extruded anisotropic graphite pipe internal stress according to claim 1 and tiny crack, it is characterized in that: end socket (15) is equipped with at described horizontal dipping still (8) two ends, be positioned on saddle (16), horizontal dipping still (8) length is 3500-8000mm, diameter is Ф 500-Ф 1200, and cylindrical shell thickness is 6-16mm.
3. the device of elimination extruded anisotropic graphite pipe internal stress according to claim 1 and tiny crack, it is characterized in that: described pressurizing device (9) is comprised of compressor (24), air cushioning tank (23), compressor (24) is connected on air cushioning tank (23) by the 5th pipeline (36) and the 6th valve (18), on air cushioning tank (23), be also connected with the second tensimeter (19), the second safety valve (20), in its bottom, be connected with the first dirt discharging valve (22).
4. the device of elimination extruded anisotropic graphite pipe internal stress according to claim 3 and tiny crack, is characterized in that: described air cushioning tank (23) diameter is Ф 400-Ф 1000mm, and length is 500-1500mm.
5. the device of elimination extruded anisotropic graphite pipe internal stress according to claim 1 and tiny crack, is characterized in that: between described horizontal dipping still (8) and ground, have the pitch angle of 2 °-15 °, feed end is high.
6. the device of elimination extruded anisotropic graphite pipe internal stress according to claim 1 and tiny crack, is characterized in that: described resin storage tank (4) is right cylinder, rectangular parallelepiped or square.
7. the device of internal stress and tiny crack is pushed in elimination according to claim 1, it is characterized in that: described horizontal thermal treatment still (17) length is 3500-8000mm, diameter is Ф 500-Ф 800, cylindrical shell thickness is 6-16mm, cylindrical shell outside is provided with thermal insulation layer (31), is provided with carbon tube every orifice plate (33) in cylindrical shell.
8. the carbon tube thermal treatment unit of elimination extruding internal stress according to claim 7 and tiny crack, is characterized in that: described carbon tube has 3-10 group every orifice plate (33).
9. the carbon tube thermal treatment unit of elimination extruding internal stress according to claim 1 and tiny crack, is characterized in that: described well heater (32) is located in horizontal thermal treatment still (17) or outside still.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315924.0A CN104072200A (en) | 2014-07-03 | 2014-07-03 | Device capable of eliminating internal stress and microcracks of extruded graphite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410315924.0A CN104072200A (en) | 2014-07-03 | 2014-07-03 | Device capable of eliminating internal stress and microcracks of extruded graphite pipe |
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| CN104072200A true CN104072200A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315924.0A Pending CN104072200A (en) | 2014-07-03 | 2014-07-03 | Device capable of eliminating internal stress and microcracks of extruded graphite pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589335A (en) * | 1968-09-23 | 1971-06-29 | British Insulated Callenders | Apparatus for applying powder to elongated article |
| JPS54143452A (en) * | 1978-04-28 | 1979-11-08 | Kawasaki Heavy Ind Ltd | Impregnation of synthetic resin liquid and its device |
| CN101723703A (en) * | 2008-10-21 | 2010-06-09 | 沈阳铝镁设计研究院 | Continuous high pressure steeping device and method |
| CN202129199U (en) * | 2011-06-16 | 2012-02-01 | 东莞铿利五金制品有限公司 | Novel vacuum impregnation device |
| CN102795623A (en) * | 2012-09-19 | 2012-11-28 | 江苏省特种设备安全监督检验研究院南通分院 | Method for producing artificial graphite heat exchange element |
| CN103359716A (en) * | 2012-03-31 | 2013-10-23 | 成都润封电碳有限公司 | Pressurizing heat treatment device for artificial carbon graphite material |
-
2014
- 2014-07-03 CN CN201410315924.0A patent/CN104072200A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589335A (en) * | 1968-09-23 | 1971-06-29 | British Insulated Callenders | Apparatus for applying powder to elongated article |
| JPS54143452A (en) * | 1978-04-28 | 1979-11-08 | Kawasaki Heavy Ind Ltd | Impregnation of synthetic resin liquid and its device |
| CN101723703A (en) * | 2008-10-21 | 2010-06-09 | 沈阳铝镁设计研究院 | Continuous high pressure steeping device and method |
| CN202129199U (en) * | 2011-06-16 | 2012-02-01 | 东莞铿利五金制品有限公司 | Novel vacuum impregnation device |
| CN103359716A (en) * | 2012-03-31 | 2013-10-23 | 成都润封电碳有限公司 | Pressurizing heat treatment device for artificial carbon graphite material |
| CN102795623A (en) * | 2012-09-19 | 2012-11-28 | 江苏省特种设备安全监督检验研究院南通分院 | Method for producing artificial graphite heat exchange element |
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Application publication date: 20141001 |