CN204247169U - A kind of catalyst charging system with pressure - Google Patents
A kind of catalyst charging system with pressure Download PDFInfo
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- CN204247169U CN204247169U CN201420711455.XU CN201420711455U CN204247169U CN 204247169 U CN204247169 U CN 204247169U CN 201420711455 U CN201420711455 U CN 201420711455U CN 204247169 U CN204247169 U CN 204247169U
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Abstract
The utility model relates to a kind of catalyst charging system with pressure, it is characterized in that comprising: atmospheric storage tank, atmospheric storage tank connects pans by the first pipeline, and pans connect conveying feed bin by second pipe, and conveying feed bin is by the second screw rod conveyor Bonding pressure reactor.Compared with prior art, catalyst provided by the utility model charging system with pressure can be fed in raw material in Automatic continuous phase pressure reactor, thus achieves reactor continuous seepage, improves production efficiency.
Description
Technical field
The utility model relates to a kind of catalyst charging system with pressure.
Background technology
C5 resin is that the iso-amylene in C5, pentadiene, styrene etc. are mixed injection reactor by a certain percentage for raw material, adds aluminum trichloride (anhydrous) and carries out cationic polymerization as catalyst.Traditional polymerization technique is that employing two still or many stills are used alternatingly, batchwise polymerization, a still batching, a still polymerization, and polymerization process is subject to the size of reactor and switches the restriction of batch turning, production cycle is long, production capacity is limited, and operation intensity is large, is not suitable for the requirement of industrialization quantity-produced.
The aluminum trichloride catalyst used in C5 resin polymerization, is a kind of solid, powdery thing or granular substance, joins in reactor more difficult continuously, reposefully, and this is also one of reason causing C5 resin process not carry out continuously.
Summary of the invention
Technical problem to be solved in the utility model be for the present situation of prior art provide a kind of can continuously, in polymerization reaction kettle, add the catalyst charging system with pressure of powdery or pellet type catalyst reposefully, thus can the continuous seepage of implement device.
The utility model solves the problems of the technologies described above adopted technical scheme: this catalyst charging system with pressure, is characterized in that comprising:
Atmospheric storage tank, for storage catalyst at ambient pressure, the charging aperture of atmospheric storage tank connects catalyst feed bin, the first high-order stuff level switch for detecting tank inner catalyst material level and the first low level stuff level switch is also provided with in described atmospheric storage tank, and for detecting the first pressure sensor of pressure in atmospheric storage tank; Atmospheric storage tank also connects the first nitrogen arm for blowing nitrogen in atmospheric storage tank, and the first nitrogen arm connects source nitrogen;
First pipeline, its entrance connects the discharging opening of atmospheric storage tank, and its outlet connects the charging aperture of pans; Described first pipeline is provided with the first screw rod conveyor and the first dome valve for carrying out blanking isolation successively along stream direction;
Pans, are provided with the second pressure sensor and the first weight sensor in it, pans are also connected with the second nitrogen arm for blowing nitrogen in pans;
Also be connected with equalizing main between described pans and described atmospheric storage tank, described equalizing main is provided with the 4th dome valve for carrying out balancing exhaust;
Second pipe, its entrance connects the discharging opening of pans, and its outlet connects the charging aperture of conveying feed bin, and second pipe is provided with the second dome valve for isolating described pans discharging opening and the 3rd dome valve for the charging aperture of isolating described conveying feed bin;
Described conveying feed bin, for carrying catalyst in pressure reaction still, the 3rd pressure sensor, the second high-order stuff level switch, the second low level stuff level switch, the second weight sensor and the second screw rod conveyor is provided with in conveying feed bin, the catalyst inlet of the discharging opening Bonding pressure reactor of described second screw rod conveyor, conveying feed bin also connects source nitrogen by the 3rd nitrogen arm.
Described second screw rod conveyor is frequency conversion double-screw conveyor.
Described atmospheric storage tank also connects the entrance of filter by the 3rd pipeline, the outlet of described filter is communicated with air by valve.
Described filter is bag filter, and described filter also connects source nitrogen by the 3rd nitrogen arm, and is also provided with the stuff level switch for controlling filter inner catalyst controlling level in described filter.
Described first high-order stuff level switch has two, respectively corresponding catalyst full level alarm position and the high-order danger position of catalyst.
Described second pipe is soft pipeline.
As improvement, in above-mentioned each scheme, described first high-order stuff level switch, the first low level stuff level switch, the second high-order stuff level switch, the second low level stuff level switch, the first pressure sensor, the second pressure sensor, the 3rd pressure sensor, the first dome valve, the second dome valve, the 3rd dome valve, the 4th dome valve, the first weight sensor, the second weight sensor and the first screw rod conveyor are all connected PLC control system with the second screw rod conveyor.
Compared with prior art, catalyst provided by the utility model charging system with pressure can be fed in raw material in Automatic continuous phase pressure reactor, thus achieves reactor continuous seepage, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, this catalyst charging system with pressure comprises:
Filter 1, for filtering sweep gas, filter out the catalyst carried secretly in nitrogen, filter 1 is bag filter, described filter 1 connects source nitrogen 2 by the 3rd nitrogen arm 24, and is also provided with the stuff level switch 11 for controlling filter inner catalyst controlling level in described filter 1.Filter inlet connects the gas outlet of atmospheric storage tank 3 by the 3rd pipeline 34, and the outlet of filter 1 is communicated with air by valve 12.
Catalyst feed bin 9, the charging aperture of its outlet atmospheric storage tank 3, preferably, can arrange filter screen 91 in both connecting pipes, in order to filter the catalyst sent in atmospheric storage tank 3.
Atmospheric storage tank 3, for storage catalyst at ambient pressure, the charging aperture of atmospheric storage tank connects catalyst feed bin 9, the first high-order stuff level switch 31 and the first low level stuff level switch 32 for detecting tank inner catalyst material level is also provided with in described atmospheric storage tank 3, and for detecting the first pressure sensor 33 of pressure in atmospheric storage tank; Atmospheric storage tank 3 also connects the first nitrogen arm 21, the first nitrogen arm being used for blowing nitrogen in atmospheric storage tank and connects source nitrogen 2.Described first high-order stuff level switch in the present embodiment has two, respectively corresponding catalyst full level alarm position and the high-order danger position of catalyst.
First pipeline 4, its entrance connects the discharging opening of atmospheric storage tank 3, and its outlet connects the charging aperture of pans 5; Described first pipeline is provided with successively the first screw rod conveyor 41 and the first dome valve 42 for carrying out blanking isolation along stream direction;
Pans 5, are provided with the second pressure sensor 51 and the first weight sensor 52 in it, pans are also connected with the second nitrogen arm 22 for blowing nitrogen in pans;
Also be connected with equalizing main 8 between described pans 5 and described atmospheric storage tank 3, described equalizing main 8 is provided with the 4th dome valve 81 for carrying out balancing exhaust;
Second pipe 6, its entrance connects the discharging opening of pans 5, its outlet connects the charging aperture of conveying feed bin 7, and second pipe 6 is provided with the second dome valve 61 for isolating described pans discharging opening and the 3rd dome valve 62 for the charging aperture of isolating described conveying feed bin 7; Second pipe described in the present embodiment is soft pipeline.
Described conveying feed bin 7, for carrying catalyst in pressure reaction still, the 3rd pressure sensor 71, second high-order stuff level switch 72, second low level stuff level switch 73, second weight sensor 75 and the second screw rod conveyor 74 is provided with in conveying feed bin 7, the catalyst inlet of the discharging opening Bonding pressure reactor of described second screw rod conveyor 74, conveying feed bin 7 also connects source nitrogen 2 by the 3rd nitrogen arm 23.Described second screw rod conveyor 75 in the present embodiment is the frequency conversion double-screw conveyor driven by variable-frequency motor.
High-order stuff level switch 72, second low level stuff level switch 73, first pressure sensor 33, second pressure sensor 51 of above-mentioned first high-order stuff level switch 31, first low level stuff level switch 32, second, the 3rd pressure sensor 71, first dome valve 42, second dome valve 61, the 3rd dome valve 62, the 4th dome valve 81, first weight sensor 52, second weight sensor 75 and the first screw rod conveyor 41 are all connected PLC control system with the second screw rod conveyor 74; Each nitrogen arm is equipped with control valve 25.
Wherein, first high-order stuff level switch 31, first low level stuff level switch 32, second high-order stuff level switch 72, second low level stuff level switch 73, first pressure sensor 33, second pressure sensor 51, 3rd pressure sensor 71, first weight sensor 52 is connected the input of PLC with the second weight sensor 75, the data that each sensor and stuff level switch pass over are judged, then the first dome valve 42 is controlled according to judged result, second dome valve 61, 3rd dome valve 62, 4th dome valve 81, first weight sensor 52, the action of the second weight sensor 75 and the first screw rod conveyor 41 and the second screw rod conveyor 74.
This catalyst charging system operation principle with pressure is described below:
The valve on each dome valve and each nitrogen arm is made all to be in closed condition, setting reactor force value.Set current reactor force value.This value is used for determining to carry the pressure of feed bin and feed supplement pans equal or slightly larger than reactor, make catalyst can enter reactor smoothly.
When carrying the material level of feed bin inner catalyst lower than the second low level stuff level switch, need feed supplement in conveying feed bin.Close the 3rd dome valve, open the 4th dome valve, the pressure in release pans and the pressure in atmospheric storage tank balance each other.Then open the 3rd dome valve, start the first screw rod conveyor, by the first screw rod conveyor from atmospheric storage tank to middle ladle addition, after reaching setting-up time, stop the first screw rod conveyor.
Close the 3rd dome valve, open the control valve on the second nitrogen arm, in pans, be filled with nitrogen, after pressure reaches setting value in pans, close the control valve on the second nitrogen arm.
If conveying feed bin inner catalyst material level is lower than low alarm value i.e. the second low level stuff level switch, and pressure is more than or equal to reactor pressure set points in pans, then open the 3rd dome valve, the second dome valve successively, catalyst in pans falls into conveying feed bin, after being maintained until setting-up time, close the second dome valve, and then close the 3rd dome valve, terminate in conveying feed bin reinforced.
Open the 4th dome valve, make the nitrogen in pans be vented to atmospheric storage tank, and keep a period of time, then close the 4th dome valve.Nitrogen in atmospheric storage tank enters in filter from the 3rd pipeline, and after filtration, catalyst drops in cloth bag, gas emptying.When cloth bag inner catalyst reaches the height of stuff level switch, PLC control system opens the control valve of the 4th nitrogen arm, carries out blowback to cloth bag, blows off the catalyst in cloth bag in atmospheric storage tank, avoids the waste of catalyst.
If conveying feed bin inner catalyst material level is higher than the second high-order stuff level switch, then the 3rd dome valve and the 4th dome valve are in closed condition always.
Needing as carried feed bin again to feed in raw material, repeating above-mentioned steps.
The nitrogen produced in whole reinforced process, a part to be entered in reactor and is discharged by subsequent reactions system together with catalyst, a part purges displacement in addition, the nitrogen of pressure release then enters atmospheric storage tank by the 3rd dome valve, then enter air after frit.
Claims (7)
1. a catalyst charging system with pressure, is characterized in that comprising:
Atmospheric storage tank (3), for storage catalyst at ambient pressure, the charging aperture of atmospheric storage tank connects catalyst feed bin (9), the first high-order stuff level switch (31) for detecting tank inner catalyst material level and the first low level stuff level switch (32) is also provided with in described atmospheric storage tank (3), and for detecting first pressure sensor (33) of pressure in atmospheric storage tank; Atmospheric storage tank (3) also connects the first nitrogen arm (21) being used for blowing nitrogen in atmospheric storage tank, and the first nitrogen arm connects source nitrogen (2);
First pipeline (4), its entrance connects the discharging opening of atmospheric storage tank (3), and its outlet connects the charging aperture of pans (5); Described first pipeline is provided with successively the first screw rod conveyor (41) and the first dome valve (42) for carrying out blanking isolation along stream direction;
Pans (5), are provided with the second pressure sensor (51) and the first weight sensor (52) in it, pans are also connected with the second nitrogen arm (22) for blowing nitrogen in pans;
Also be connected with equalizing main (8) between described pans (5) and described atmospheric storage tank (3), described equalizing main (8) is provided with the 4th dome valve (81) for carrying out balancing exhaust;
Second pipe (6), its entrance connects the discharging opening of pans (5), its outlet connects the charging aperture of conveying feed bin (7), and second pipe (6) is provided with the second dome valve (61) for isolating described pans discharging opening and the 3rd dome valve (62) for the charging aperture of isolating described conveying feed bin (7);
Described conveying feed bin (7), for carrying catalyst in pressure reaction still, the 3rd pressure sensor (71), the second high-order stuff level switch (72), the second low level stuff level switch (73), the second weight sensor (75) and the second screw rod conveyor (74) is provided with in conveying feed bin (7), the catalyst inlet of the discharging opening Bonding pressure reactor of described second screw rod conveyor (74), conveying feed bin (7) also connects source nitrogen (2) by the 3rd nitrogen arm (23);
Each nitrogen arm is equipped with control valve (25).
2. catalyst according to claim 1 charging system with pressure, is characterized in that described second screw rod conveyor (75) is frequency conversion double-screw conveyor.
3. catalyst according to claim 1 and 2 charging system with pressure, it is characterized in that described atmospheric storage tank (3) also connects the entrance of filter (1) by the 3rd pipeline (34), the outlet of described filter (1) is communicated with air by valve (12).
4. catalyst according to claim 3 charging system with pressure, it is characterized in that described filter (1) is bag filter, described filter (1) also connects source nitrogen (2) by the 3rd nitrogen arm (24), and is also provided with the stuff level switch (11) for controlling filter inner catalyst controlling level in described filter (1).
5. catalyst according to claim 3 charging system with pressure, is characterized in that described first high-order stuff level switch (31) has two, respectively corresponding catalyst full level alarm position and the high-order danger position of catalyst.
6. catalyst according to claim 3 charging system with pressure, is characterized in that described second pipe (6) is soft pipeline.
7. catalyst according to claim 3 charging system with pressure, it is characterized in that described first high-order stuff level switch (31), first low level stuff level switch (32), second high-order stuff level switch (72), second low level stuff level switch (73), first pressure sensor (33), second pressure sensor (51), 3rd pressure sensor (71), first dome valve (42), second dome valve (61), 3rd dome valve (62), 4th dome valve (81), first weight sensor (52), second weight sensor (75) and the first screw rod conveyor (41) are all connected PLC control system with the second screw rod conveyor (74).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420711455.XU CN204247169U (en) | 2014-11-24 | 2014-11-24 | A kind of catalyst charging system with pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420711455.XU CN204247169U (en) | 2014-11-24 | 2014-11-24 | A kind of catalyst charging system with pressure |
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| CN204247169U true CN204247169U (en) | 2015-04-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045961A (en) * | 2018-01-08 | 2018-05-18 | 江苏跃华石化工程有限公司 | A kind of powder metering and conveying device with pressure and its carrying method |
| CN109821482A (en) * | 2019-03-28 | 2019-05-31 | 合盛硅业股份有限公司 | The automatic continuous adding method of catalyst and device |
| CN109925967A (en) * | 2019-04-16 | 2019-06-25 | 郑仲新 | A kind of continuous feed, deslagging and slag dumping integration refuse disposal system |
| CN110203702A (en) * | 2019-06-26 | 2019-09-06 | 江苏跃华石化工程有限公司 | A kind of powder metering and conveying device with pressure |
| CN114538135A (en) * | 2020-11-25 | 2022-05-27 | 伊斯拓通用设备江苏有限公司 | Double-group double-bin pump parallel nitrogen closed-loop circulating pneumatic conveying system for powder conveying |
-
2014
- 2014-11-24 CN CN201420711455.XU patent/CN204247169U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045961A (en) * | 2018-01-08 | 2018-05-18 | 江苏跃华石化工程有限公司 | A kind of powder metering and conveying device with pressure and its carrying method |
| CN108045961B (en) * | 2018-01-08 | 2023-08-18 | 江苏跃华石化工程有限公司 | Powder pressurized metering and conveying device and conveying method thereof |
| CN109821482A (en) * | 2019-03-28 | 2019-05-31 | 合盛硅业股份有限公司 | The automatic continuous adding method of catalyst and device |
| CN109925967A (en) * | 2019-04-16 | 2019-06-25 | 郑仲新 | A kind of continuous feed, deslagging and slag dumping integration refuse disposal system |
| CN110203702A (en) * | 2019-06-26 | 2019-09-06 | 江苏跃华石化工程有限公司 | A kind of powder metering and conveying device with pressure |
| CN114538135A (en) * | 2020-11-25 | 2022-05-27 | 伊斯拓通用设备江苏有限公司 | Double-group double-bin pump parallel nitrogen closed-loop circulating pneumatic conveying system for powder conveying |
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