CN213493666U - Reducing agent feeding device for ceramic matrix composite precursor preparation - Google Patents
Reducing agent feeding device for ceramic matrix composite precursor preparation Download PDFInfo
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- CN213493666U CN213493666U CN202021954366.XU CN202021954366U CN213493666U CN 213493666 U CN213493666 U CN 213493666U CN 202021954366 U CN202021954366 U CN 202021954366U CN 213493666 U CN213493666 U CN 213493666U
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Abstract
A reducing agent feeding device for preparing a ceramic matrix composite precursor belongs to the technical field of preparation of ceramic matrix composite precursors. The method is characterized in that: the glove box comprises a glove box main body (4), a vacuum extraction device, a pressure detection device and a discharge mechanism, wherein an operation interface (5) which is convenient for two hands to stretch into is arranged on one side of the glove box main body (4), and an observation mirror (9) is arranged above the operation interface (5); the vacuum extraction device is connected on glove box main part (4) upper portion, and glove box main part (4) top is equipped with the reinforced end cover of concatenation, is equipped with pressure measurement on the reinforced end cover, and glove box main part (4) bottom is equipped with discharge mechanism, through discharge mechanism connect reation kettle (10). The utility model discloses a glove box has created the airtight environment of an isolated air for the reductant, greatly reduced reductant contact air hydrolysis and arouse the probability of burning or explosion, avoided operating personnel's bodily injury.
Description
Technical Field
A reducing agent feeding device for preparing a ceramic matrix composite precursor belongs to the technical field of preparation of ceramic matrix composite precursors.
Background
The reducing agent used for preparing the ceramic matrix composite material precursor is lithium aluminum hydride, lithium hydride, magnesium hydride, sodium hydride or calcium hydride and the like, and the reducing agent is easy to hydrolyze in humid air and cause combustion or explosion; such reducing agents are in the form of granulated tablets, packed in a plastic film. The charging process of the reducing agent is mostly manual operation charging, and specifically comprises the following steps: an operator unpacks the plastic film and adds the plastic film into the reaction kettle through an open feeding port on the reaction kettle; in the charging process, the reducing agent is exposed in the air to easily cause combustion or explosion, and personal injury is caused to operators; the materials in the reaction kettle belong to flammable and explosive dangerous chemicals, and when the reducing agent is added, the materials in the reaction kettle can be ignited if the reducing agent is combusted, so that the safety accident of explosive combustion is caused, and great potential safety hazards exist.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the reducing agent feeding device for the ceramic matrix composite precursor preparation is safe and reliable, and solves the potential safety hazard.
The utility model provides a technical scheme that its technical problem adopted is: this ceramic matrix composite precursor preparation is with reductant feeding device which characterized in that: the glove box comprises a glove box main body, a vacuum extraction device, a pressure detection device and a discharge mechanism, wherein an operation interface which is convenient for two hands to stretch into is arranged on one side of the glove box main body, and an observation mirror is arranged above the operation interface; the vacuum extraction device is connected on glove box main part upper portion, and glove box main part top is equipped with the reinforced end cover of concatenation, is equipped with pressure measurement on the reinforced end cover, and glove box main part bottom is equipped with discharge mechanism, through discharge mechanism connection reation kettle.
The utility model creates an airtight environment for isolating air for the reducing agent through the glove box, thereby greatly reducing the probability that the reducing agent is contacted with air for hydrolysis and causes combustion or explosion; indirectly reduce the probability of safety accidents caused by explosion and combustion if the reducing agent is combusted during adding the reducing agent to ignite the materials in the reaction kettle. The operation personnel is isolated from the reducing agent through the glove box, so that the personal injury caused by the combustion or explosion of the reducing agent when the operation personnel removes the reducing agent packaging bag is reduced; the material is fed through the discharging mechanism, so that the operator is not required to feed on site, and the personal injury of the operator is reduced; the valve is not required to be manually opened by an operator on site, and personal injury of the operator is reduced.
The vacuum extraction device comprises a vacuum extraction pipeline and a nitrogen pressurization pipeline, wherein a vacuum valve is arranged on the vacuum extraction pipeline, and a nitrogen valve is arranged on the nitrogen pressurization pipeline.
The pressure detection device comprises a pressure gauge and a pressure valve, wherein a detection interface is arranged on one side of the upper part of the feeding end cover, and the detection interface is provided with the pressure valve and the pressure gauge.
The discharging mechanism comprises a star-shaped discharger, an electromagnetic valve, a discharging pipe and a discharging valve, an outlet at the bottom of the glove box main body is connected with the star-shaped discharger, an outlet of the star-shaped discharger is connected with the reaction kettle through the discharging pipe, and the electromagnetic valve and the discharging valve are sequentially arranged on the discharging pipe.
The feeding end cover is an end socket with a claw nut.
The inner side wall of the glove box main body is provided with a hook for placing a packaging bag.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the utility model creates an airtight environment for isolating air for the reducing agent through the glove box, thereby greatly reducing the probability that the reducing agent is contacted with air for hydrolysis and causes combustion or explosion; indirectly reduce the probability of safety accidents caused by explosion and combustion if the reducing agent is combusted during adding the reducing agent to ignite the materials in the reaction kettle. The operation personnel is isolated from the reducing agent through the glove box, so that the personal injury caused by the combustion or explosion of the reducing agent when the operation personnel removes the reducing agent packaging bag is reduced; the star-shaped discharger is controlled by a computer to feed materials, so that operators do not need to feed materials on site, and personal injury of the operators is reduced; the electromagnetic valve is controlled by a computer to work, so that an operator does not need to manually open the valve on site, and personal injury of the operator is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a reducing agent feeding device for preparing a ceramic matrix composite precursor.
The device comprises a sealing head 1, a sealing head 2, a vacuum valve 3, a nitrogen valve 4, a glove box main body 5, an operation interface 6, a star discharger 7, an electromagnetic valve 8, a claw nut 9, a sight glass 10, a reaction kettle 11, a pressure valve 12, a hook 13, a blanking valve 14, a discharge pipe 15 and a pressure gauge.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
Referring to figure 1: a reducing agent feeding device for preparing a ceramic matrix composite precursor comprises a glove box main body 4, a vacuum extraction device, a pressure detection device and a discharge mechanism, wherein an operation interface 5 which is convenient for two hands to extend into is arranged on one side of the glove box main body 4, and an observation mirror 9 is arranged above the operation interface 5; vacuum draw-out device is connected on 4 upper portions of glove box main part, and 4 tops of glove box main part are equipped with the reinforced end cover of concatenation, are equipped with pressure measurement on the reinforced end cover, and 4 bottoms of glove box main part are equipped with discharge mechanism, through discharge mechanism connection reation kettle 10.
The vacuum pumping device comprises a vacuum pumping pipeline and a nitrogen pressurizing pipeline, wherein a vacuum valve 2 is arranged on the vacuum pumping pipeline, and a nitrogen valve 3 is arranged on the nitrogen pressurizing pipeline. The pressure detection device comprises a pressure gauge 15 and a pressure valve 11, a detection interface is arranged on one side of the upper portion of the feeding end cover, and the pressure valve 11 and the pressure gauge 15 are arranged on the detection interface.
The discharging mechanism comprises a star-shaped discharger 6, an electromagnetic valve 7, a discharging pipe 14 and a discharging valve 13, an outlet at the bottom of the glove box main body 4 is connected with the star-shaped discharger 6, an outlet of the star-shaped discharger 6 is connected with the reaction kettle 10 through the discharging pipe 14, and the electromagnetic valve 7 and the discharging valve 13 are sequentially arranged on the discharging pipe 14. The feeding end cover is a seal head 1 with a claw nut 8. A hook 12 for placing the packing bag is arranged on the inner side wall of the glove box main body 4.
The working principle and the working process are as follows:
firstly, disassembling a claw nut 8 of a glove box end enclosure, opening the glove box end enclosure 1, and putting a bagged reducing agent into a glove box main body 4; closing the glove box seal head 1, and installing a seal head claw nut 8;
secondly, opening the vacuum valve 2 to pump out air in the glove box, and closing the vacuum valve 2 when the pressure gauge 15 displays-0.1 Mpa; opening the nitrogen valve 3 to balance the vacuum in the glove box main body 4, and closing the nitrogen valve 3 when the pressure gauge 15 shows 0 Mpa; repeating the above operations for 2 times to finish the air replacement in the glove box main body 4;
stretching the hands into the gloves of the two glove operation interfaces 5 of the glove box, observing and detaching a reducing agent packaging bag through a sight glass 9, pouring reducing agent particles into the bottom of the glove box main body 4, and hanging the reducing agent packaging bag on a hook 12 in the glove box;
opening the electromagnetic valve 7 connected with the reaction kettle 10 and the bottom of the glove box main body 4;
and fifthly, opening a star-shaped discharger motor 6 connected with the bottom of the glove box main body 4, starting rotation of the star-shaped discharger 6, and adding the reducing agent into the reaction kettle 10 through the star-shaped discharger 6, the electromagnetic valve 7, the discharge pipe 14 and the discharge valve 13.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a ceramic matrix composite precursor preparation reducing agent feeding device which characterized in that: the glove box comprises a glove box main body (4), a vacuum extraction device, a pressure detection device and a discharge mechanism, wherein an operation interface (5) which is convenient for two hands to stretch into is arranged on one side of the glove box main body (4), and an observation mirror (9) is arranged above the operation interface (5); the vacuum extraction device is connected on glove box main part (4) upper portion, and glove box main part (4) top is equipped with the reinforced end cover of concatenation, is equipped with pressure measurement on the reinforced end cover, and glove box main part (4) bottom is equipped with discharge mechanism, through discharge mechanism connect reation kettle (10).
2. The reductant charging apparatus for ceramic matrix composite precursor preparation according to claim 1, wherein: the vacuum extraction device comprises a vacuum-pumping pipeline and a nitrogen pressurization pipeline, wherein a vacuum valve (2) is arranged on the vacuum-pumping pipeline, and a nitrogen valve (3) is arranged on the nitrogen pressurization pipeline.
3. The reductant charging apparatus for ceramic matrix composite precursor preparation according to claim 1, wherein: the pressure detection device comprises a pressure gauge (15) and a pressure valve (11), wherein a detection interface is arranged on one side of the upper part of the feeding end cover, and the pressure valve (11) and the pressure gauge (15) are arranged on the detection interface.
4. The reductant charging apparatus for ceramic matrix composite precursor preparation according to claim 1, wherein: discharge mechanism include star type tripper (6), solenoid valve (7), discharging pipe (14) and unloading valve (13), glove box main part (4) bottom exit linkage star type tripper (6), discharging pipe (14) connection reation kettle (10) are passed through in the export of star type tripper (6), are equipped with solenoid valve (7) and unloading valve (13) on discharging pipe (14) in proper order.
5. The reductant charging apparatus for ceramic matrix composite precursor preparation according to claim 1, wherein: the feeding end cover is an end socket (1) with a claw nut (8).
6. The reductant charging apparatus for ceramic matrix composite precursor preparation according to claim 1, wherein: the glove box main body (4) is provided with a hook (12) for placing the packaging bag on the inner side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021954366.XU CN213493666U (en) | 2020-09-09 | 2020-09-09 | Reducing agent feeding device for ceramic matrix composite precursor preparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021954366.XU CN213493666U (en) | 2020-09-09 | 2020-09-09 | Reducing agent feeding device for ceramic matrix composite precursor preparation |
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| CN213493666U true CN213493666U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663628A (en) * | 2021-07-27 | 2021-11-19 | 北京六合宁远医药科技股份有限公司 | Synthesis device and method of polysubstituted difluoromethoxy-containing nitrogen-containing heterocyclic compound |
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2020
- 2020-09-09 CN CN202021954366.XU patent/CN213493666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663628A (en) * | 2021-07-27 | 2021-11-19 | 北京六合宁远医药科技股份有限公司 | Synthesis device and method of polysubstituted difluoromethoxy-containing nitrogen-containing heterocyclic compound |
| CN113663628B (en) * | 2021-07-27 | 2022-12-13 | 北京六合宁远医药科技股份有限公司 | Synthesis device and method of polysubstituted difluoromethoxy-containing nitrogen-containing heterocyclic compound |
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