CN212549469U - A catalyst ration filling is equipped for rosin disproportionation - Google Patents
A catalyst ration filling is equipped for rosin disproportionation Download PDFInfo
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- CN212549469U CN212549469U CN202021086540.3U CN202021086540U CN212549469U CN 212549469 U CN212549469 U CN 212549469U CN 202021086540 U CN202021086540 U CN 202021086540U CN 212549469 U CN212549469 U CN 212549469U
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Abstract
The utility model discloses a catalyst ration filling is equipped for rosin disproportionation, including reation kettle, loading hopper, screw conveyer pump and feed bin, the discharge gate of feed bin is connected with the feed inlet of screw conveyer pump, and the upper portion of feed bin is provided with catalyst dog-house, second blow-down pipe and agitator motor, the discharge gate of screw conveyer pump passes through the pipe connection with the import of loading hopper, and is provided with the third ball valve on the pipeline, loading hopper upper portion is provided with nitrogen gas pipeline and first blow-down pipeline, and is provided with nitrogen gas governing valve on the nitrogen gas pipeline. The quantitative catalyst filling equipment for the rosin disproportionation reaction is convenient and efficient to operate, short in filling time, automatic in weighing and capable of reducing errors, and due to the fact that the catalyst filling time is short, the residence time of reaction materials in a kettle is shortened, the appearance of a product is improved, the filling process is totally closed, volatilization of materials at a feeding port of the reaction kettle is reduced when manual feeding is reduced, the product yield is improved, and meanwhile unorganized emission is reduced.
Description
Technical Field
The utility model relates to a rosin disproportionation technical field specifically is a catalyst ration filling equipment for rosin disproportionation.
Background
The disproportionation reaction of rosin is an important process for preparing rubber emulsifier, and the disproportionation reaction temperature is higher, generally (280-290 ℃). In order to improve the conversion rate of the disproportionation reaction, when the molten state rosin is about 220 ℃, a palladium-carbon catalyst is required to be added into the reaction kettle. The palladium-carbon catalyst is a flammable solid, the filling temperature is high, and the catalyst is easy to burn when contacting air; secondly, the palladium-carbon catalyst contains certain moisture and is easy to adhere to filling equipment and pipelines, and the catalyst cannot completely enter the reaction kettle, so that certain waste is caused and the quality of a disproportionation reaction product is influenced. Most of the existing filling equipment is manually operated, the safety and reliability are poor, and the filling process has the running loss of the catalyst.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a catalyst ration filling is equipped for rosin disproportionation to propose palladium carbon catalyst for easily firing the solid in solving above-mentioned background art, filling temperature is higher, and the easy burning of contact air and palladium carbon catalyst contain certain moisture, easy adhesion causes the problem of certain waste and influence the quality of disproportionation product on filling equipment and pipeline.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a catalyst ration filling is equipped for rosin disproportionation, includes reation kettle, loading hopper, screw conveyer pump and feed bin, the discharge gate of feed bin is connected with the feed inlet of screw conveyer pump, and the upper portion of feed bin is provided with catalyst dog-house, second blow-down pipe and agitator motor, the discharge gate of screw conveyer pump passes through the pipe connection with the import of loading hopper, and is provided with the third ball valve on the pipeline, loading hopper upper portion is provided with nitrogen gas pipeline and first blow-down pipeline, and is provided with nitrogen gas regulating valve on the nitrogen gas pipeline to be provided with the fourth ball valve on the first blow-down pipeline, the loading hopper lower part is provided with weighing equipment, and the bottom of loading hopper passes through charge-in pipeline and is connected with reation kettle to be provided with first ball valve and second ball valve on the charge-in pipeline.
Preferably, the weighing device is interlocked with a switch of the screw pump.
Preferably, a pressure gauge is arranged on the charging hopper.
Preferably, the screw conveying pump is a closed screw conveying pump.
Preferably, the pipe orifice of the second emptying pipe is provided with filter cloth.
Compared with the prior art, the beneficial effects of the utility model are that: the quantitative filling device of the catalyst for the disproportionated reaction of rosin,
1. the operation is convenient and efficient, the filling time is short, the automatic weighing is realized, the error is reduced, the time for filling the catalyst is short, the retention time of reaction materials in a kettle is shortened, the appearance of a product is improved, the filling process is totally closed, the volatilization of the materials at a feeding port of the reaction kettle is reduced when manual feeding is carried out, the product yield is improved, and meanwhile, the unorganized emission is reduced;
2. the nitrogen protection is carried out in the operation process, so that the catalyst is ensured not to spontaneously combust at high temperature, and the safety performance of the whole filling process is ensured;
3. in the filling process, nitrogen is used for blowing, so that the catalyst can be quickly added into the reaction kettle and cannot be stuck on a pipeline, and the consumption of the catalyst is reduced;
4. in the whole operation process, nitrogen is used for protection, so that air is prevented from entering the reaction kettle, the hue of the disproportionated rosin is reduced by more than 0.5 unit, and the quality of the product is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: reaction kettle 1, first ball valve 2, second ball valve 3, weighing equipment 4, loading hopper 5, nitrogen gas pipeline 6, nitrogen gas governing valve 7, third ball valve 8, first blow-down pipeline 9, fourth ball valve 10, screw delivery pump 11, feed bin 12, catalyst dog-house 13, second blow-down pipe 14, agitator motor 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a catalyst quantitative filling device for a rosin disproportionation reaction comprises a reaction kettle 1, a first ball valve 2, a second ball valve 3, a weighing device 4, a charging hopper 5, a nitrogen pipeline 6, a nitrogen regulating valve 7, a third ball valve 8, a first emptying pipeline 9, a fourth ball valve 10, a spiral conveying pump 11, a storage bin 12, a catalyst feeding port 13, a second emptying pipeline 14 and a stirring motor 15, wherein a discharge port of the storage bin 12 is connected with a feed port of the spiral conveying pump 11, the upper part of the storage bin 12 is provided with the catalyst feeding port 13, the second emptying pipeline 14 and the stirring motor 15, a discharge port of the spiral conveying pump 11 is connected with an inlet of the charging hopper 5 through a pipeline, the pipeline is provided with the third ball valve 8, the upper part of the charging hopper 5 is provided with the nitrogen pipeline 6 and the first emptying pipeline 9, the nitrogen regulating valve 7 is arranged on the nitrogen pipeline 6, and the fourth ball valve 10 is arranged on the first emptying pipeline 9, weighing device 4 is provided with to 5 lower parts of loading hopper, and the bottom of loading hopper 5 is passed through charge-in pipeline and is connected with reation kettle 1 to be provided with first ball valve 2 and second ball valve 3 on the charge-in pipeline.
The weighing device 4 is interlocked with a switch of the spiral delivery pump 11, and the pump is automatically stopped when a fixed value is reached, so that the material is stopped being delivered.
And a pressure gauge is arranged on the charging hopper 5 and used for monitoring pressure change in the charging system and pressure in the catalyst purging process.
The spiral delivery pump 11 is a closed spiral delivery pump, and closed material conveying avoids contacting with outside air, so that the safety performance in the filling process is improved.
The mouth of the second emptying pipe 14 is provided with filter cloth to prevent catalyst dust from flying to the external environment when the stirring motor 15 is started during feeding.
The working principle is as follows: when the temperature of the reaction kettle 1 is 220 ℃, automatically checking the catalyst until a first ball valve 2 and a second ball valve 3 of the reaction kettle 1 are closed, opening a nitrogen regulating valve 7 to keep the micro-positive pressure in the filling system at 0.05MPa for 30 seconds, closing the nitrogen regulating valve 7, opening a fourth ball valve 10 until the pressure is 0MPa, closing the fourth ball valve 10, and ensuring that the catalyst cannot spontaneously combust at high temperature through nitrogen protection and the safety performance of the whole filling process is ensured;
checking the closing conditions of the first ball valve 2 and the second ball valve 3, starting the spiral delivery pump 11 and the stirring motor 15 to ensure smooth blanking, feeding the catalyst into a feeding hopper 5 with a weighing function through the spiral delivery pump 11, and automatically closing the spiral delivery pump 11 and the stirring motor 15 when the indication value reaches a set value;
opening the first ball valve 2 and the second ball valve 3 which are connected with the reaction kettle 1, opening the nitrogen regulating valve 7, keeping the pressure at 0.1MPa, blowing the catalyst into the disproportionation reaction kettle, and blowing by using nitrogen, so that the catalyst can be quickly added into the reaction kettle 1, and can not be stuck on a pipeline, thereby reducing the consumption of the catalyst.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a catalyst ration filling is equipped for rosin disproportionation, includes reation kettle (1), loading hopper (5), screw feed pump (11) and feed bin (12), its characterized in that: the discharge hole of the storage bin (12) is connected with the feed inlet of the screw conveying pump (11), and the upper part of the storage bin (12) is provided with a catalyst feeding port (13), a second emptying pipe (14) and a stirring motor (15), the discharge port of the screw delivery pump (11) is connected with the inlet of the charging hopper (5) through a pipeline, a third ball valve (8) is arranged on the pipeline, a nitrogen pipeline (6) and a first emptying pipeline (9) are arranged at the upper part of the charging hopper (5), a nitrogen regulating valve (7) is arranged on the nitrogen pipeline (6), a fourth ball valve (10) is arranged on the first emptying pipeline (9), a weighing device (4) is arranged at the lower part of the charging hopper (5), the bottom of the charging hopper (5) is connected with the reaction kettle (1) through a feeding pipeline, and a first ball valve (2) and a second ball valve (3) are arranged on the feeding pipeline.
2. The quantitative catalyst filling equipment for rosin disproportionation reaction according to claim 1, wherein: the weighing device (4) is interlocked with a switch of the screw delivery pump (11).
3. The quantitative catalyst filling equipment for rosin disproportionation reaction according to claim 1, wherein: and a pressure gauge is arranged on the charging hopper (5).
4. The quantitative catalyst filling equipment for rosin disproportionation reaction according to claim 1, wherein: the spiral conveying pump (11) is a closed spiral conveying pump.
5. The quantitative catalyst filling equipment for rosin disproportionation reaction according to claim 1, wherein: and filter cloth is arranged at the pipe orifice of the second emptying pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086540.3U CN212549469U (en) | 2020-06-13 | 2020-06-13 | A catalyst ration filling is equipped for rosin disproportionation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021086540.3U CN212549469U (en) | 2020-06-13 | 2020-06-13 | A catalyst ration filling is equipped for rosin disproportionation |
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| CN212549469U true CN212549469U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768689A (en) * | 2022-05-25 | 2022-07-22 | 淄博朗晖化工有限公司 | Automatic catalyst feeding device for DOTP (catalytic oxidation polymerization) reaction kettle |
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2020
- 2020-06-13 CN CN202021086540.3U patent/CN212549469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768689A (en) * | 2022-05-25 | 2022-07-22 | 淄博朗晖化工有限公司 | Automatic catalyst feeding device for DOTP (catalytic oxidation polymerization) reaction kettle |
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