CN213408684U - Charging system - Google Patents
Charging system Download PDFInfo
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- CN213408684U CN213408684U CN202022083091.3U CN202022083091U CN213408684U CN 213408684 U CN213408684 U CN 213408684U CN 202022083091 U CN202022083091 U CN 202022083091U CN 213408684 U CN213408684 U CN 213408684U
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Abstract
The present disclosure provides a charging system, which comprises a material storage tank, a first conveying pipeline, a second conveying pipeline, a reaction kettle, a stirrer and a control system; the first conveying pipeline is provided with a charging pump, one end of the first conveying pipeline is communicated with the material storage tank, and the other end of the first conveying pipeline is communicated with the second conveying pipeline; the other end of the second conveying pipeline is communicated with the reaction kettle, the second conveying pipeline is provided with a first switch valve, a flowmeter and a proportion regulating valve, and the first switch valve and the proportion regulating valve are respectively positioned at the upstream and the downstream of the flowmeter; the charging pump, the stirrer, the first switch valve, the flowmeter and the proportion regulating valve are respectively in communication connection with the control system; wherein, control system can come control ratio control valve according to the velocity of flow of flowmeter feedback to the velocity of flow of the material that the regulation got into in reation kettle, thereby the material that via the terminal transport of second pipeline can flow into reation kettle with the speed of invariant, avoid in the reation kettle because the material reaction that feeds in raw material too fast and lead to mixing presents the spout groove accident too violently.
Description
Technical Field
The disclosure relates to the technical field of chemical industry, in particular to a feeding system.
Background
In the existing feeding process, the reactor can cause a trough overflowing or spraying accident due to the fact that materials in the reactor react too violently because of too fast feeding or excessive feeding, and the safety of field workers is affected.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the background art, it is an object of the present disclosure to provide a charging system capable of charging a reaction vessel at a constant speed, improving the safety of the charging system.
In order to achieve the above object, the present disclosure provides a charging system, which includes a material storage tank, a first conveying pipeline, a second conveying pipeline, a reaction kettle, a stirrer and a control system; the first conveying pipeline is provided with a charging pump, one end of the first conveying pipeline is communicated with the material storage tank, and the other end of the first conveying pipeline is communicated with the second conveying pipeline; the other end of the second conveying pipeline is communicated with the reaction kettle, the second conveying pipeline is provided with a first switch valve, a flowmeter and a proportion regulating valve, and the first switch valve and the proportion regulating valve are respectively positioned at the upstream and the downstream of the flowmeter; the charging pump, the stirrer, the first switch valve, the flowmeter and the proportion regulating valve are respectively in communication connection with the control system; the feeding pump is used for outputting materials in the material storage tank; the flow meter is used for monitoring the flow rate of the materials on the second conveying pipeline, and the control system can control the proportion regulating valve according to the flow rate fed back by the flow meter so as to regulate the flow rate of the materials entering the reaction kettle; the stirrer is used for stirring the materials in the reaction kettle, and the control system can control the on-off of the first switch valve according to the running state of the stirrer.
In one embodiment, the control system includes a proportional regulator, and the flow meter and the proportional regulating valve are respectively in communication with the proportional regulator, and the proportional regulator is used for controlling the proportional regulating valve according to the flow rate fed back by the flow meter.
In an embodiment, the control system further comprises a frequency converter and a quantitative controller, the first switch valve and the flowmeter are respectively in communication connection with the quantitative controller, and the feeding pump is in communication connection with the frequency converter, wherein the quantitative controller is used for controlling the on-off of the first switch valve according to the total flow counted by the flowmeter, and meanwhile, the quantitative controller is used for instructing the frequency converter to control the on-off of the feeding pump.
In an embodiment, the second conveying pipeline is further provided with a second switch valve, and the second switch valve is located upstream of the first switch valve and used for controlling the connection and disconnection of the second conveying pipeline and the first conveying pipeline.
In one embodiment, the second delivery line further comprises a check valve disposed between the flow meter and the proportional regulating valve.
In one embodiment, the charging system further comprises a pressure monitoring pipeline, one end of the pressure monitoring pipeline is communicated with the first conveying pipeline and is arranged at the downstream of the charging pump, the pressure monitoring pipeline comprises a pressure sensor used for monitoring the pressure value of the downstream of the charging pump on the first conveying pipeline, and the pressure sensor is in communication connection with the frequency converter; wherein, the rotational speed of charge pump can be adjusted according to the pressure value of pressure sensor monitoring to the converter.
In one embodiment, the pressure monitoring pipeline further comprises a third switch valve connected between the pressure sensor and the first conveying pipeline, and the third switch valve is used for controlling the connection and disconnection between the pressure monitoring pipeline and the first conveying pipeline.
In an embodiment, the first conveying pipeline is further provided with a fourth switch valve and a fifth switch valve, the fourth switch valve is arranged between the charging pump and the discharging port, and the fifth switch valve is arranged downstream of the charging pump.
In an embodiment, the feeding system further includes a return line, a sixth switch valve is disposed on the return line, one end of the return line is disposed between the feeding pump and the fifth switch valve, the other end of the return line is communicated with the material storage tank, and the sixth switch valve is used for controlling on/off between the first conveying line and the material storage tank.
In an embodiment, the feeding system further comprises a manual feeding pipeline, the manual feeding pipeline comprises a seventh switch valve, one end of the manual feeding pipeline is arranged between the first switch valve and the second switch valve, and the other end of the manual feeding pipeline is communicated with the reaction kettle.
The beneficial effects of this disclosure are as follows: in the feeding system according to this disclosure, flowmeter and proportional control valve's setting, the velocity of flow to the material in the second conveying line has been controlled effectively, make the material of proportional control valve low reaches keep at invariable speed, thereby the material of carrying via the second conveying line end can be in the reation kettle with invariable speed inflow, avoid in the reation kettle because it feeds in raw material too fast to lead to the material reaction of mixing too violent and cause the reation kettle to appear spout the groove accident, or because it is too slow to feed in raw material and lead to the problem that the material reaction of mixing untimely causes production efficiency to be low.
Drawings
FIG. 1 is a schematic view of a loading system according to the present disclosure.
Wherein the reference numerals are as follows:
1 Material storage tank 4 reaction kettle
11 discharge port 41 charging port
12-reflux-opening 5 automatic control system
2 first conveying pipeline 6 pressure monitoring pipeline
21 charging pump 61 pressure sensor
22 fourth on-off valve 62 third on-off valve
23 fifth on-off valve 7 return line
3 sixth switching valve of second delivery pipeline 71
31 flowmeter 8 manual feeding pipeline
Seventh switch valve of 32-ratio regulating valve 81
33 first switch valve 9 stirring motor
34 second switch valve 91 stirring paddle
35 check valve
Detailed Description
The accompanying drawings illustrate embodiments of the present disclosure and it is to be understood that the disclosed embodiments are merely examples of the disclosure, which can be embodied in various forms, and therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure.
As shown in fig. 1, a charging system according to the present disclosure includes a material storage tank 1. Specifically, the material tank 1 includes a discharge port 11 and a return port 12. The material storage tank 1 is used for storing materials.
The charging system also comprises a first conveying pipeline 2, a second conveying pipeline 3, a reaction kettle 4, a stirring motor 9 and an automatic control system 5.
One end of the first conveying pipeline 2 is communicated with the material storage tank 1.
The first conveying pipeline 2 is provided with a feeding pump 21, and the feeding pump 21 is used for outputting materials in the material storage tank 1. One end of the first conveying pipeline 2 is communicated with the discharge hole 11, and the other end is communicated with the second conveying pipeline 3. The automatic control system 5 is provided with a frequency converter (not shown), and the charging pump 21 is communicated with the frequency converter of the automatic control system 5, and the frequency converter can control the charging pump 21 to be opened and closed and the output rotating speed of the charging pump 21.
In an embodiment, the first conveying pipeline 2 is further provided with a fourth switch valve 22 and a fifth switch valve 23, the fourth switch valve 22 is disposed between the charging pump 21 and the discharging port 11, the fifth switch valve 23 is disposed downstream of the charging pump 21, and the fourth switch valve 22 is used for controlling on-off between the discharging port 11 of the material storage tank 1 and the charging pump 21. The fifth switch valve 23 is used for controlling the on-off of the charging pump 21 and the second output pipeline 3. In one embodiment, the fourth and fifth switching valves 22 and 23 are manual valves.
One end of the second conveying pipeline 3 is communicated with the first conveying pipeline 2, and the other end is communicated with a feed inlet 41 of the reaction kettle 4. The second feed line 3 is provided with a flow meter 31 and a proportional regulating valve 32, the proportional regulating valve 32 being located downstream of the flow meter 31. The flow meter 31 is used for monitoring the flow rate of the material on the second conveying pipeline 3; the proportional regulating valve 32 is used to regulate the flow rate of the flowing material on the second conveying line 3. The flowmeter 31 and the proportional control valve 32 are respectively in communication connection with the automatic control system 5, and the automatic control system 5 can control the proportional control valve 32 according to the flow rate fed back by the flowmeter 31 so as to adjust the flow rate of the material entering the reaction kettle 4. Specifically, the automatic control system 5 further includes a proportional regulator (not shown), and the flow meter 31 and the proportional regulating valve 32 are respectively communicatively connected to the proportional regulator, and the proportional regulator is configured to control the proportional regulating valve 32 according to the flow rate fed back by the flow meter 31.
In the feeding system according to the present disclosure, the flow meter 31 and the proportional control valve 32 are arranged to effectively control the flow rate of the material in the second conveying pipeline 3, so that the material downstream of the proportional control valve 32 is kept at a constant speed, and the material conveyed through the end of the second conveying pipeline 3 can flow into the reaction kettle 4 at a constant speed, thereby avoiding the problem that the mixed material reacts too violently due to too fast feeding in the reaction kettle 4 to cause a spout accident in the reaction kettle 4, or the mixed material reacts untimely due to too slow feeding to cause low production efficiency; in addition, the control system 5 (proportion regulator) can adjust the feeding rate according to the reaction attribute of the materials in the reaction kettle 4, thereby realizing the controllability of the feeding rate and improving the reaction rate of the materials.
The second conveying pipeline 3 is also provided with a first switch valve 33; the first switch valve 33 is located at the upstream of the flow meter 31 and is in communication connection with the control system 5, the control system 5 can control the on-off of the first switch valve 33 according to the running state of the stirrer 9, that is, when the stirrer 9 is in an unopened or stopped state, the control system 5 disconnects the first switch valve 33 to prevent materials from continuously flowing into the reaction kettle 4, which causes a spout accident to occur violently in the reaction kettle 4 after the stirrer 9 is suddenly started; when the blender 9 normally operates, the control system 5 opens the first switch valve 33, and the safety of the charging system is improved by the arrangement of the first switch valve 33. It should be noted that the blender 9 is started prior to starting the charging system.
The automatic control system 5 also comprises a quantitative control instrument (not shown). In one embodiment, the first on/off valve 33 is communicatively connected to a quantitative controller. The quantitative controller is used for controlling the on-off of the first switch valve 33 according to the total flow counted by the flowmeter 31, and simultaneously, the quantitative controller is used for instructing the frequency converter to control the on-off of the feeding pump 21. That is, when the flow meter 31 indicates that the amount of the material to be fed to the reaction vessel 4 reaches the set total feeding value, the quantitative controller instructs the first on-off valve 33 to be turned off, and the quantitative controller simultaneously sends a signal to the frequency converter, which receives the instruction and controls the feeding pump 21 to be turned off to stop the feeding. The setting of first ooff valve 33 has carried out the settlement effectively to charging system's reinforced volume, has realized that the ration is reinforced, has prevented that the material from adding too much and causing the waste, has practiced thrift manufacturing cost.
In an embodiment, the second delivery pipe 3 is further provided with a second on-off valve 34, and the second on-off valve 34 is located upstream of the first on-off valve 33 and is used for controlling the on-off of the second delivery pipe 3 and the first delivery pipe 2. In one embodiment, the second on-off valve 34 is a manual valve.
In an embodiment, the second delivery line 3 further comprises a check valve 35, arranged between the flow meter 31 and the proportional regulating valve 32. The check valve 35 serves to prevent the reverse flow of the material in the second conveying line 3. It should be noted that the second conveying pipeline 3 of the present disclosure is not limited to be used in the feeding system of the present disclosure, and may also be applied to other pipeline systems requiring quantitative or constant speed regulation, and may be designed according to the needs.
The reaction kettle 4 comprises a feed inlet 41, and the other end of the second conveying pipeline 3 is communicated with the feed inlet 41 of the reaction kettle 4.
In an embodiment, the charging system further comprises a pressure monitoring line 6. One end of the pressure monitoring line 6 is communicated with the first delivery line 2 and is arranged at the downstream of the charging pump 21.
The pressure monitoring pipeline 6 comprises a pressure sensor 61 for monitoring the pressure value on the first conveying pipeline 2 at the downstream of the charging pump 21, the pressure sensor 61 is connected with a frequency converter in a communication way, and the frequency converter is connected with the charging pump 21 in a communication way; when the pressure of the first conveying pipeline 2 is too high, the pressure sensor 61 transmits a pressure signal to the frequency converter, and the frequency converter controls the rotating speed of the charging pump 21 to reduce the pressure on the first conveying pipeline 2. Pressure sensor 61's design has carried out monitoring effectively to the pressure on first conveying pipeline 2, maintains the pressure in first conveying pipeline 2 at invariable state, has realized reinforced to reation kettle 4's constant voltage, avoids leading to reinforced too fast problem because the pressure in first conveying pipeline 2 is too high, prevents that reation kettle 4 from appearing the risk of catching a groove, spouting the groove, improves charging system's security.
In an embodiment, the pressure monitoring line 6 further comprises a third on-off valve 62 connected between the pressure sensor 61 and the first conveying line 2, and the third on-off valve 62 is used for controlling on-off between the pressure monitoring line 6 and the first conveying line 2. When the pressure sensor 61 needs to be replaced, the third on/off valve 62 may be closed and then replaced.
In an embodiment, the charging system further includes a return line 7, a sixth switch valve 71 is disposed on the return line 7, one end of the return line 7 is disposed between the charging pump 21 and the fifth switch valve 23, the other end of the return line is communicated with the return port 12 of the material storage tank 1, and the sixth switch valve 71 is used for controlling on-off between the first conveying line 2 and the return port 12 of the material storage tank 1. The sixth switching valve 71 is set to a quarter opening degree, and the return line 7 is set so that the excessive material in the conveying lines (the first conveying line 1 and the second conveying line 2) can flow back to the material storage tank 1.
In an embodiment, the feeding system further includes a manual feeding pipeline 8, the manual feeding pipeline 8 includes a seventh switch valve 81, one end of the manual feeding pipeline 8 is disposed between the first switch valve 33 and the second switch valve 34, the other end is communicated with the reaction kettle 4, and the seventh switch valve 81 is used for controlling on/off of the manual feeding pipeline 8 and the first conveying pipeline 2. The seventh switching valve 81 is provided as a manual valve. The manual feeding pipeline 8 and the pipeline of the second conveying pipeline 2, which is located at the downstream of the second switch valve 34, are arranged in parallel, when an element on the second conveying pipeline 2 is damaged, the first switch valve 33 can be set to be disconnected, then the seventh switch valve 81 is manually opened, the pressure and the material flow rate of the conveying pipeline are manually designed, the feeding system can still normally operate under the condition that the second conveying pipeline 2 is damaged, and the feeding work is completed.
The stirring machine 9 comprises a stirring paddle 91, the stirring paddle 91 extends into the reaction kettle 4, and the stirring paddle 91 is used for stirring materials in the reaction kettle 4. The stirrer 9 is in communication connection with the control system 5, the control system 5 can control the on-off of the first switch valve 33 according to the state (not opened, stopped or opened) of the stirrer 9, that is, the control system 5 disconnects the first switch valve 33 and simultaneously turns off the feeding pump 21 through the frequency converter under the state that the stirrer 9 is not opened or stopped, that is, the whole feeding system is in a closed state, so that the risk of a jet tank caused by severe reaction of materials in the reaction kettle 4 after the stirrer 9 is suddenly started due to the accumulation of the materials caused by the addition of the materials into the reaction kettle 4 which is not stirred is prevented, and the safety of the system is improved; in addition, an electrical interlock between the stirring system and the charging system is achieved, i.e. when the stirrer 9 is stopped, the charging system is stopped synchronously.
The charging process of the charging system according to the present invention is explained in detail below.
Firstly, the control system 5 starts the stirrer 9, and a stirring paddle 91 of the stirrer 9 rotates in the reaction kettle 4 to stir the materials in the reaction kettle 4; the fourth switching valve 22, the fifth switching valve 23, the sixth switching valve 71, the third switching valve 62, and the second switching valve 34 are manually opened; starting a quantitative controller of the control system 5, setting the feeding amount of the quantitative controller, and then outputting a signal to open the first switch valve 33 by the quantitative controller; the quantitative controller outputs a signal to start the frequency converter, and the frequency converter outputs a signal to start the feeding pump 21; the pressure sensor 61 feeds back a signal to the frequency converter, and the frequency converter correspondingly adjusts the rotating speed of the feeding pump 21 according to the fed back signal, so that the material is conveyed by the conveying pipeline at constant pressure; setting the feeding rate of the proportional regulator according to the required feeding speed, outputting a speed signal to the proportional regulator by the flowmeter 31, and controlling the proportional regulator 32 by the output signal of the proportional regulator to realize the constant-speed material conveying of the conveying pipeline; when the feeding amount reaches a set value, the quantitative controller disconnects the first switch valve 33 and sends a signal to the frequency converter according to the total flow value of the flow meter 31, the frequency converter closes the feeding pump 21, quantitative material conveying of a conveying pipeline is realized, and the constant-pressure constant-speed quantitative feeding process of the reaction kettle 4 is completed.
Claims (10)
1. A charging system is characterized by comprising a material storage tank (1), a first conveying pipeline (2), a second conveying pipeline (3), a reaction kettle (4), a stirrer (9) and a control system (5);
the first conveying pipeline (2) is provided with a feeding pump (21), one end of the first conveying pipeline (2) is communicated with the material storage tank (1), and the other end of the first conveying pipeline (2) is communicated with the second conveying pipeline (3);
the other end of the second conveying pipeline (3) is communicated with the reaction kettle (4), the second conveying pipeline (3) is provided with a first switch valve (33), a flowmeter (31) and a proportion regulating valve (32), and the first switch valve (33) and the proportion regulating valve (32) are respectively positioned at the upstream and the downstream of the flowmeter (31);
the charging pump (21), the stirrer (9), the first switch valve (33), the flowmeter (31) and the proportion regulating valve (32) are respectively in communication connection with the control system (5);
wherein the feeding pump (21) is used for outputting the materials in the material storage tank (1); the flow meter (31) is used for monitoring the flow rate of the materials on the second conveying pipeline (3), and the control system (5) can control the proportion regulating valve (32) according to the flow rate fed back by the flow meter (31) so as to regulate the flow rate of the materials entering the reaction kettle (4); the stirrer (9) is used for stirring the materials in the reaction kettle (4), and the control system (5) can control the on-off of the first switch valve (33) according to the running state of the stirrer (9).
2. The charging system according to claim 1,
the control system (5) comprises a proportional regulator,
the flow meter (31) and the proportional control valve (32) are respectively in communication connection with a proportional regulator, and the proportional regulator is used for controlling the proportional control valve (32) according to the flow rate fed back by the flow meter (31).
3. The charging system according to claim 2,
the control system (5) also comprises a frequency converter and a quantitative controller,
the first switch valve (33) and the flowmeter (31) are respectively connected with the quantitative controller in a communication way,
the charging pump (21) is connected with the frequency converter in a communication way,
the quantitative controller is used for controlling the on-off of the first switch valve (33) according to the total flow counted by the flow meter (31), and meanwhile, the quantitative controller is used for instructing the frequency converter to control the on-off of the feeding pump (21).
4. The charging system according to claim 3,
the second conveying pipeline (3) is also provided with a second switch valve (34), and the second switch valve (34) is positioned at the upstream of the first switch valve (33) and used for controlling the on-off of the second conveying pipeline (3) and the first conveying pipeline (2).
5. The charging system according to claim 1,
the second conveying pipeline (3) further comprises a check valve (35) which is arranged between the flowmeter (31) and the proportional control valve (32).
6. The charging system according to claim 3,
the feeding system further comprises a pressure monitoring pipeline (6), one end of the pressure monitoring pipeline (6) is communicated with the first conveying pipeline (2) and is arranged at the downstream of the feeding pump (21), the pressure monitoring pipeline (6) comprises a pressure sensor (61) used for monitoring the pressure value of the downstream of the feeding pump (21) on the first conveying pipeline (2), and the pressure sensor (61) is in communication connection with the frequency converter;
wherein, the frequency converter can adjust the rotating speed of the charging pump (21) according to the pressure value monitored by the pressure sensor (61).
7. The charging system according to claim 6,
the pressure monitoring pipeline (6) further comprises a third switch valve (62) connected between the pressure sensor (61) and the first conveying pipeline (2), and the third switch valve (62) is used for controlling the connection and disconnection between the pressure monitoring pipeline (6) and the first conveying pipeline (2).
8. The charging system according to claim 1,
the first conveying pipeline (2) is further provided with a fourth switch valve (22) and a fifth switch valve (23), the fourth switch valve (22) is arranged between the charging pump (21) and the discharging port (11), and the fifth switch valve (23) is arranged on the downstream of the charging pump (21).
9. The charging system according to claim 8,
the feeding system further comprises a return pipeline (7), a sixth switch valve (71) is arranged on the return pipeline (7), one end of the return pipeline (7) is arranged between the feeding pump (21) and the fifth switch valve (23), the other end of the return pipeline is communicated with the material storage tank (1), and the sixth switch valve (71) is used for controlling the connection and disconnection between the first conveying pipeline (2) and the material storage tank (1).
10. The charging system according to claim 4,
the feeding system further comprises a manual feeding pipeline (8), the manual feeding pipeline (8) comprises a seventh switch valve (81), one end of the manual feeding pipeline (8) is arranged between the first switch valve (33) and the second switch valve (34), and the other end of the manual feeding pipeline is communicated with the reaction kettle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083091.3U CN213408684U (en) | 2020-09-21 | 2020-09-21 | Charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083091.3U CN213408684U (en) | 2020-09-21 | 2020-09-21 | Charging system |
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| Publication Number | Publication Date |
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| CN213408684U true CN213408684U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022083091.3U Active CN213408684U (en) | 2020-09-21 | 2020-09-21 | Charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210292A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Preparation method and equipment of electronic-grade hexamethyldisilazane |
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2020
- 2020-09-21 CN CN202022083091.3U patent/CN213408684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210292A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Preparation method and equipment of electronic-grade hexamethyldisilazane |
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Effective date of registration: 20210817 Address after: 221116 room 1241, office building, No. 11, Zhujiang East Road, high tech Industrial Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu pioneer Microelectronics Technology Co.,Ltd. Address before: 511500 Heyun Town Industrial Zone, Qingxin District, Qingyuan City, Guangdong Province (beside Yuba highway) Patentee before: VITAL MATERIALS Co.,Ltd. |