CN105800606A - Ultrasonic graphite impregnation device with good impregnation effect - Google Patents

Ultrasonic graphite impregnation device with good impregnation effect Download PDF

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Publication number
CN105800606A
CN105800606A CN201610275156.XA CN201610275156A CN105800606A CN 105800606 A CN105800606 A CN 105800606A CN 201610275156 A CN201610275156 A CN 201610275156A CN 105800606 A CN105800606 A CN 105800606A
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CN
China
Prior art keywords
impregnation
ultrasonic
graphite
good
treating tank
Prior art date
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CN201610275156.XA
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Chinese (zh)
Inventor
杨颖�
董永斌
周毛荣
Original Assignee
贵州兰鑫石墨机电设备制造有限公司
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Priority to CN201610275156.XA priority Critical patent/CN105800606A/en
Publication of CN105800606A publication Critical patent/CN105800606A/en

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Abstract

The invention discloses an ultrasonic graphite impregnation device with a good impregnation effect. The ultrasonic graphite impregnation device comprises an impregnation barrel (3), wherein an impregnation barrel cover (2) is arranged at the top part of the impregnation barrel (3); the impregnation barrel (3) or the impregnation barrel cover (2) is provided with a pressure meter (7), a resin inlet pipe (1) and a positive and negative pressure air filling pipe (8); the impregnation barrel (3) is provided with an ultrasonic generator. The ultrasonic graphite impregnation device disclosed by the invention has the beneficial effects that the impregnation effect is good, and an impregnated graphite product is good in mechanical strength and good in consistency and impermeability.

Description

The ultrasound wave graphite impregnation device that a kind of dipping effect is good
Technical field
The present invention relates to the ultrasound wave graphite impregnation device that a kind of graphite impregnation device, particularly a kind of dipping effect are good.
Background technology
The crack of graphite raw material all various degrees manufactured for industrial equipment and hole, it is necessary to steeping liq resin, improve mechanical strength and the impermeability of graphite material through cured.
For a long time, the impregnation technology of graphite equipment material all adopts static pressure type infusion process, that is: graphite material is placed in a reservoir, close container, by taking out negative pressure heating and injecting impregnating resin after drying until submergence graphite material, pass into after container is pressurized to certain pressure by compression air and continue pressurize a period of time (time be several hours to tens hours not etc.), graphite material is carried out the resin dipping of resting state, again through heating cure, resin and graphite material is combined into one.This traditional method carrying out impregnating under static fixation pressure, is referred to as static pressure type infusion process.
Although traditional static pressure type infusion process can infiltrate graphite surface, fill bigger crack and hole, but the degree of depth of dipping is extremely limited.Loose graphite material not only mechanical strength is low but also heat transfer efficiency is low, consumes impregnating resin amount greatly, causes the inconsistent of the internal thermal expansion amount of graphite material, it is easy to cause stress to concentrate, the serviceability of overall graphite material is produced harm after solidification.So, modern chemical industry many employings high-density graphite material, and more fine and close graphite material, the difficulty of impregnated with resin is more big, and this characteristic is determined by micro-hole pressure effect:
F=P·M
In formula: F-promotes resin liquid to enter the power of graphite micropore;The compression atmospheric pressure applied in P-container;The sectional area of the pore channel of M-graphite material.
From above-mentioned formula it follows that under certain pressure P, impregnating resin is promoted to enter the power F product equal to pressure P and micropore sectional area M of graphite material micropore, in pressure P mono-timing, the power F of the more little promotion impregnating resin of micropore sectional area M is also more little, when motive force is less than resin surface tension force, resin will be unable to enter micropore.When micropore sectional area is sufficiently small, M → 0(area trends towards zero), then:
Because: M → 0
So: F=P M=→ 0
Therefore, increasing pressure P in any case, impregnating resin is entered micropore is all nonsensical, and a lot of micropores are actually and can not get dipping, and this is the inherent shortcoming of conventional graphite impregnating resin technique.
Summary of the invention
It is an object of the invention to, it is provided that the ultrasound wave graphite impregnation device that a kind of dipping effect is good.It is good that the present invention has dipping effect, the feature that the graphite products mechanical strength height of dipping, concordance and impermeability are good.
Technical scheme: the ultrasound wave graphite impregnation device that a kind of dipping effect is good, includes treating tank, and the top for the treatment of tank is provided with dipping bung, treating tank or treating tank lid and is provided with Pressure gauge, resin inlet pipe and positive/negative-pressure air addition pipe;Described treating tank is provided with ultrasonic generator.
The ultrasound wave graphite impregnation device that aforesaid dipping effect is good, described Pressure gauge, resin inlet pipe and positive/negative-pressure air add Guan Jun and are located on treating tank lid.
The ultrasound wave graphite impregnation device that aforesaid dipping effect is good, described ultrasonic generator include the ring-shaped ultrasonic collection encapsulation being located on treating tank outer wall, the top being located in treating tank and bottom upper ultrasonic collection encapsulation and under ultrasonic collection encapsulation and be located at described ring-shaped ultrasonic collection encapsulation, upper ultrasonic collection encapsulation and under ultrasonic vibrator in ultrasonic collection encapsulation.
The ultrasound wave graphite impregnation device that aforesaid dipping effect is good, described ultrasonic collection encapsulation is connected bar and is connected on treating tank lid.
The ultrasound wave graphite impregnation device that aforesaid dipping effect is good, the bottom of described treating tank is provided with resin discharging hole.
Beneficial effects of the present invention: the present invention by arranging ultrasonic generator on treating tank, utilize the ultrasound wave cavitation effect to resin liquid, impregnating resin produces continuous print stretch and bounce, the microscopic bubble explosive failure produced when stretching by liquid and the recovery after bouncing, not only can effectively clear up the machining residual dust on graphite material surface, the micropore hole wall allowing resin and graphite material is fully contacted, and, more can make impregnating resin continuously, it is immersed in the hole depths of graphite material equably, resin is constantly advanced in the middle of the hole of graphite material, achieve impregnation technology and be impregnated into the change of ultrasound wave microcosmic dipping from traditional macroscopic view, it is greatly improved the dipping effect of graphite impregnation, the mechanical strength of the graphite products improving dipping is high, concordance and impermeability.Simultaneously, the present invention is by the top and the bottom in the surrounding that ultrasonic generator is respectively provided with treating tank and bucket, during use, graphite block is placed on the upper ultrasonic generator in treating tank and between lower ultrasonic generator, the surrounding of graphite block is carried out uniform and omnibearing supersound process, further increases dipping effect.It addition, the present invention is by being connected on treating tank lid by upper ultrasonic generator, when being removed and placed into graphite block, upper ultrasonic generator takes out together along with dipping bung, it is simple to being removed and placed into of graphite block;By arranging resin discharging hole in the bottom for the treatment of tank, it is simple to release spent resin, improve production efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Description of reference numerals: 1-resin inlet pipe, 2-impregnates bung, 3-treating tank, 4-ultrasonic vibrator, 5-resin liquid, 6-resin discharging hole, 7-Pressure gauge, 8-positive/negative-pressure air adds pipe, the upper ultrasonic collection encapsulation of 9-, 10-graphite block, 11-ring-shaped ultrasonic collection encapsulation, ultrasonic collection encapsulation under 12-, 13-connecting rod, 14-increases block.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but is not intended as the foundation to present invention restriction.
Embodiments of the invention: the ultrasound wave graphite impregnation device that a kind of dipping effect is good, as shown in Figure 1, include treating tank 3, the top for the treatment of tank 3 is provided with dipping bung 2, connect through flange seal between treating tank 3 and dipping bung 2, treating tank 3 or dipping bung 2 are provided with Pressure gauge 7, resin inlet pipe 1 and positive/negative-pressure air and add pipe 8, and wherein one end of resin inlet pipe 1 is connected with resin storage box, and positive/negative-pressure air adds one end of pipe 8 and is connected with vacuum pump;Described treating tank 3 is provided with ultrasonic generator, and ultrasonic generator is connected to power supply.
Described Pressure gauge 7, resin inlet pipe 1 and positive/negative-pressure air add pipe 8 and are all located on treating tank lid 2.
Described ultrasonic generator includes the ring-shaped ultrasonic collection encapsulation 11 being located on treating tank 3 outer wall, be located in treating tank 3 top and the upper ultrasonic collection encapsulation 9 of bottom and under ultrasonic collection encapsulation 12 and be located at described ring-shaped ultrasonic collection encapsulation 11, upper ultrasonic collection encapsulation 9 and under ultrasonic vibrator 4 in ultrasonic collection encapsulation 12.
Described ultrasonic collection encapsulation 9 is connected bar 13 and is connected on dipping bung 2.
The bottom of described treating tank 3 is provided with resin discharging hole 6.
nullWhen the present invention uses: first,Open dipping bung 2,Under the upper surface of ultrasonic collection encapsulation 12 put and increase block 14,Then graphite block 10 is placed on and increases on block 14,Make graphite block 10 bottom and under form gap between ultrasonic collection encapsulation 12,Then dipping bung 2 is covered,Add pipe 8 by positive/negative-pressure air to be evacuated to vacuum in treating tank 3 and keep certain and time (time length is depending on the size of graphite block 10),Fully to take out the internal moisture of graphite block 10,And observe the pressure in treating tank 3 by Pressure gauge 7,Then the negative pressure of itself in treating tank 3 is utilized,By resin inlet pipe 1, resin liquid 5 is sucked in treating tank 3,Until resin liquid 5 floods graphite block 19 completely,Start ring-shaped ultrasonic collection encapsulation 11 more simultaneously、Upper ultrasonic collection encapsulation 9 and under ultrasonic vibrator 4 in ultrasonic collection encapsulation 12 resin liquid 5 and graphite block 10 are carried out supersound process,In ultrasonication,First pass through positive/negative-pressure air and add pipe 8 constantly inflation in treating tank 3,Until releasing vacuum in treating tank 3 to reach atmospheric pressure state,Then in treating tank 3, it is filled with or releases compression air,Slowly strengthen or reduce the pressure in treating tank 3,The pressure in treating tank 3 is made to be in iterative cycles state.

Claims (5)

1. the ultrasound wave graphite impregnation device that a dipping effect is good, it is characterized in that: include treating tank (3), the top for the treatment of tank (3) is provided with dipping bung (2), treating tank (3) or dipping bung (2) and is provided with Pressure gauge (7), resin inlet pipe (1) and positive/negative-pressure air addition pipe (8);Described treating tank (3) is provided with ultrasonic generator.
2. the ultrasound wave graphite impregnation device that dipping effect according to claim 1 is good, it is characterised in that: described Pressure gauge (7), resin inlet pipe (1) and positive/negative-pressure air add pipe (8) and are all located on treating tank lid (2).
3. the ultrasound wave graphite impregnation device that dipping effect according to claim 1 is good, it is characterised in that: described ultrasonic generator includes ring-shaped ultrasonic collection encapsulation (11) being located on treating tank (3) outer wall, the upper ultrasonic collection encapsulation (9) of the top be located in treating tank (3) and bottom and under ultrasonic collection encapsulation (12) and be located at described ring-shaped ultrasonic collection encapsulation (11), upper ultrasonic collection encapsulation (9) and under ultrasonic vibrator (4) in ultrasonic collection encapsulation (12).
4. the ultrasound wave graphite impregnation device that dipping effect according to claim 3 is good, it is characterised in that: described ultrasonic collection encapsulation (9) is connected bar (13) and is connected on dipping bung (2).
5. the ultrasound wave graphite impregnation device that dipping effect according to claim 1,2,3 or 4 is good, it is characterised in that: the bottom of described treating tank (3) is provided with resin discharging hole (6).
CN201610275156.XA 2016-04-28 2016-04-28 Ultrasonic graphite impregnation device with good impregnation effect CN105800606A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN105800606A true CN105800606A (en) 2016-07-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274777A (en) * 2017-12-22 2018-07-13 北京卫星制造厂 A kind of carbon fibre composite waveguide and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288521A (en) * 1989-10-25 1994-02-22 Hubert Maldaner Process and apparatus for the impregnation of workpieces of porous material
CN101572131A (en) * 2008-04-29 2009-11-04 殷志军 Method of impregnating graphite electrode by using vinylit resin
CN102776580A (en) * 2012-07-26 2012-11-14 浙江开创环保科技有限公司 On-line pipeline deaeration device and deaeration process
CN102951927A (en) * 2011-08-30 2013-03-06 青岛鸿源换热器有限公司 Method for impregnating graphite electrode by using ultrasonic principles
CN203803843U (en) * 2014-05-07 2014-09-03 北京北宇机械设备有限公司 Rotary spraying ultrasonic cleaning machine
CN205933243U (en) * 2016-04-28 2017-02-08 贵州兰鑫石墨机电设备制造有限公司 Ultrasonic wave graphite saturating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288521A (en) * 1989-10-25 1994-02-22 Hubert Maldaner Process and apparatus for the impregnation of workpieces of porous material
CN101572131A (en) * 2008-04-29 2009-11-04 殷志军 Method of impregnating graphite electrode by using vinylit resin
CN102951927A (en) * 2011-08-30 2013-03-06 青岛鸿源换热器有限公司 Method for impregnating graphite electrode by using ultrasonic principles
CN102776580A (en) * 2012-07-26 2012-11-14 浙江开创环保科技有限公司 On-line pipeline deaeration device and deaeration process
CN203803843U (en) * 2014-05-07 2014-09-03 北京北宇机械设备有限公司 Rotary spraying ultrasonic cleaning machine
CN205933243U (en) * 2016-04-28 2017-02-08 贵州兰鑫石墨机电设备制造有限公司 Ultrasonic wave graphite saturating device

Non-Patent Citations (1)

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Title
化学工业部化工机械研究院 主编: "《腐蚀与防护手册 耐蚀非金属材料及防腐施工》", 30 June 1993 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108274777A (en) * 2017-12-22 2018-07-13 北京卫星制造厂 A kind of carbon fibre composite waveguide and preparation method thereof
CN108274777B (en) * 2017-12-22 2020-08-14 北京卫星制造厂 Carbon fiber composite waveguide and preparation method thereof

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