CN114797672B - Auxiliary material management and control system for triacetin production - Google Patents
Auxiliary material management and control system for triacetin production Download PDFInfo
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- CN114797672B CN114797672B CN202210414925.5A CN202210414925A CN114797672B CN 114797672 B CN114797672 B CN 114797672B CN 202210414925 A CN202210414925 A CN 202210414925A CN 114797672 B CN114797672 B CN 114797672B
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- liquid
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- auxiliary material
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- 239000000463 material Substances 0.000 title claims abstract description 166
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 235000013773 glyceryl triacetate Nutrition 0.000 title claims abstract description 15
- 239000001087 glyceryl triacetate Substances 0.000 title claims abstract description 15
- 229960002622 triacetin Drugs 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 75
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 57
- 239000007787 solid Substances 0.000 claims description 38
- 238000009826 distribution Methods 0.000 claims description 28
- 239000011344 liquid material Substances 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 13
- 239000011343 solid material Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 11
- 238000005886 esterification reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 230000032050 esterification Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 239000003712 decolorant Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention discloses an auxiliary material management and control system for glyceryl triacetate production, which comprises a storage system, a batching system, a throwing system, a reaction system and a control center. The invention starts from auxiliary material management and control links of the storage system, the batching system, the throwing system and the reaction system, and auxiliary materials required by each production link of the glyceryl triacetate are collected and monitored in running state, so that the management level of the whole production flow is improved, the auxiliary material management and control automation degree is high, all links are controllable, the problems of auxiliary material waste and unreasonable configuration are greatly reduced, and the production cost is reduced.
Description
Technical Field
The invention belongs to the technical field of chemical production, and particularly relates to an auxiliary material management and control system for glyceryl triacetate production.
Background
The production process of the glyceryl triacetate comprises a plurality of links, such as links including esterification, degreasing, acid extraction, acylation, refining, filtration and the like, wherein auxiliary materials are needed during the production of part of links, and the auxiliary materials refer to materials which are needed to be added during the production except main materials such as glycerin, acetic acid and the like, for example, a water-carrying agent and a solid acid catalyst are needed to be added during the esterification reaction, so that the esterification reaction is thorough, and meanwhile, water is taken away. The auxiliary material management and control of each link of the whole production process of triacetin is mostly manual management and control, the automation degree is low, the disposal timeliness is poor, the phenomena of unreasonable auxiliary material configuration and waste exist, and the production cost of enterprises is increased. For this reason, it is very necessary to develop an auxiliary material management and control system for glyceryl triacetate production.
Disclosure of Invention
The invention aims to provide an auxiliary material management and control system for glyceryl triacetate production.
The object of the invention is achieved in that it comprises:
the storage system comprises a liquid new material storage device, a liquid return material storage device, a solid new material storage device and a solid return material storage device, wherein storage capacity detection devices are respectively arranged;
The novel material storage device, the liquid return material storage device, the solid novel material storage device and the solid return material storage device of the material storage system are respectively connected with the material distribution system through conveying devices, the material distribution system is used for distributing different auxiliary materials, the material distribution system is provided with an auxiliary material amount detection device, and the auxiliary material amount detection device is used for detecting auxiliary material amount data and transmitting the auxiliary material amount data to a control center;
The dispensing system is connected with the dispensing system through a conveying device and is used for dispensing auxiliary materials to the reaction system, and the dispensing system is electrically connected with the control center;
The reaction system is used for completing chemical reaction, the liquid auxiliary material reclaimed materials separated and recovered by the reaction system are sent to the corresponding liquid return material storage device through the conveying device, the solid auxiliary material reclaimed materials are sent to the corresponding solid return material storage device through the conveying device, and the reaction system is electrically connected with the control center;
the control center is used for monitoring the running state of the storage system, the running state of the batching system, the running state of the throwing system and the running state of the reaction system, wherein the running state of the storage system comprises storage data, and the running state of the batching system comprises auxiliary material amount data.
The invention has the beneficial effects that: the invention starts from auxiliary material management and control links of the storage system, the batching system, the throwing system and the reaction system, and auxiliary materials required by each production link of the glyceryl triacetate are collected and monitored in running state, so that the management level of the whole production flow is improved, the automation degree of auxiliary material management and control is high, all links are controllable, the problems of auxiliary material waste and unreasonable configuration are reduced, and the production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a configuration of a dosing system;
FIG. 3 is a schematic diagram of the configuration of the delivery system;
In the figure: 101-track, 102-transfer crown block, 103-distributing tank, 104-position sensor, 201-driving motor, 202-rotating head, 203-cross frame, 204-annular guide rail, 205-hanging frame, 206-vibrating motor, 207-first vibration damping seat, 208-second vibration damping seat, 209-solid feed box, 210-liquid feed box, 211-liquid distributor, 212-discharge nozzle, 213-feed inlet and 214-liquid filling hopper.
Detailed Description
The invention is further described below with reference to the accompanying drawings, without limiting the invention in any way, and any alterations or substitutions based on the teachings of the invention are intended to fall within the scope of the invention.
The invention as shown in figures 1-3 comprises the following steps:
The storage system comprises a liquid new material storage device, a liquid return material storage device, a solid new material storage device and a solid return material storage device, wherein storage capacity detection devices are respectively arranged; the liquid new material storage device, the liquid return material storage device, the solid new material storage device and the solid return material storage device can be specifically storage tanks which are well known to those skilled in the art, can store auxiliary materials such as liquid or solid powder and the like, and have storage capacity detection functions such as a liquid level meter, weighing equipment and the like; specifically, an electromagnetic discharge valve can be arranged at the discharge end of the storage tank, so that electric control discharge is realized, and the electromagnetic discharge valve is connected to a control center, so that unified management is realized; the number of the new material storage device, the liquid return material storage device, the solid new material storage device and the solid return material storage device of the material storage system is determined according to the production flow requirement, different storage devices correspond to different auxiliary materials, different auxiliary materials correspond to corresponding production links, for example, the auxiliary materials corresponding to the esterification reaction process are liquid water carrying agents and solid catalysts, and the auxiliary materials corresponding to the decoloration reaction process are solid decolorant;
The novel material storage device, the liquid return material storage device, the solid novel material storage device and the solid return material storage device of the material storage system are respectively connected with the material distribution system through conveying devices, the material distribution system is used for distributing different auxiliary materials, the material distribution system is provided with an auxiliary material amount detection device, and the auxiliary material amount detection device is used for detecting auxiliary material amount data and transmitting the auxiliary material amount data to a control center; the auxiliary material amount detection device can be a weighing device, so that a control center can conveniently acquire batching data;
The dispensing system is connected with the dispensing system through a conveying device and is used for dispensing auxiliary materials to the reaction system, the dispensing system is electrically connected with the control center, and the control center acquires the running state of the dispensing system in real time;
The reaction system is used for completing chemical reaction, the liquid auxiliary material reclaimed materials separated and recovered by the reaction system are sent to the corresponding liquid return material storage device through the conveying device, the solid auxiliary material reclaimed materials are sent to the corresponding solid return material storage device through the conveying device, and the reaction system is electrically connected with the control center; the reaction system can be composed of a plurality of reactors, and each reaction process is completed in different reactors during production, such as an esterification reactor, a refining reactor, a decoloring reactor and the like;
the control center is used for monitoring the running state of the storage system, the running state of the batching system, the running state of the throwing system and the running state of the reaction system, wherein the running state of the storage system comprises storage data, and the running state of the batching system comprises auxiliary material amount data; the control center is a control device well known to those skilled in the art, and is capable of collecting, summarizing, processing and monitoring data of each system, and is generally composed of a DCS, a data storage server, a display wall and an operation console.
The conveying device related to the system of the invention can be particularly various linear conveyers known to the person skilled in the art, and can also adopt a pipeline conveying mode to flexibly select according to different auxiliary material types.
The batching system comprises a track 101, a transfer crown block 102, a plurality of distribution tanks 103 and position sensors 104, wherein the transfer crown block 102 is arranged on the track 101, the distribution tanks 103 are arranged below the track 101 in sequence along the direction of the track 101, and the position sensors 104 are arranged at the bottom of the transfer crown block 102 and at the top of the distribution tanks 103; the transferring crown block 102 moves auxiliary materials received from a corresponding storage device along the track 101 to a distribution tank 103 matched with a position sensor 104 of the transferring crown block 102, namely, the transferring crown block is correspondingly matched with the distribution tank 103, the matched transferring crown block and the distribution tank 103 are correspondingly matched with a reactor, for example, the esterification process involves a liquid water carrying agent and a solid catalyst auxiliary material, two auxiliary materials correspond to two different transferring crown blocks and two different distribution tanks 103, the transferring crown block transfers the auxiliary materials to the matched distribution tank, and the auxiliary materials are sent to the matched reactor through the distribution tank; the transfer crown block 102 and the distribution tank 103 are flexibly configured according to the different production processes of the glyceryl triacetate and the different auxiliary materials; when in use, the transfer crown blocks 102 can be arranged according to the production process flow, for example, the esterification reaction is positioned at the front part of the production flow, and at the moment, the corresponding transfer crown blocks 102 are also positioned at the front part of the track 101, so that the management is convenient, and different auxiliary materials are added according to the production links.
The throwing system comprises a plurality of throwing devices, the throwing devices are arranged in a reactor of the reaction system, the throwing devices comprise a driving motor 201, a rotating head 202, a transverse frame 203, an annular guide rail 204, a hanging frame 205, a vibrating motor 206, a first vibration damping seat 207, a second vibration damping seat 208, a solid material box 209, a liquid material box 210 and a liquid distributor 211, the power output part of the driving motor 201 is provided with the rotating head 202, the transverse frame 203 is fixedly arranged on the side surface of the rotating head 202, the annular guide rail 204 is fixedly arranged on the inner wall of the reactor, the end part of the transverse frame 203 is clamped in the annular guide rail 204 and is in sliding fit with the annular guide rail 204, the hanging frame 205 is fixedly arranged at the bottom of the transverse frame 203, the transverse frame 203 is provided with a first vibration reduction seat 207, the first vibration reduction seat 207 is provided with a vibration motor 206, the liquid feed box 210 is fixedly arranged on the hanging frame 205, the liquid distributor 211 is arranged at the bottom of the liquid feed box 210, the liquid distributor 211 is communicated with a liquid outlet of the liquid feed box 210 through a pipeline, the top of the liquid feed box 210 is provided with a second vibration reduction seat 208, the solid feed box 209 is arranged on the second vibration reduction seat 208, the bottom of the solid feed box 209 is inclined towards the direction of a discharge slot hole, the inclination angle is 2 degrees, the power output part of the vibration motor 206 is connected with the top of the solid feed box 209, a discharge nozzle 212 is arranged at a discharge slot hole at the bottom of one side of the solid material box 209, the discharge nozzle 212 and the liquid distributor 211 are staggered up and down, a feed inlet 213 is arranged at the top of the solid material box 209, a liquid adding hopper 214 is arranged above the liquid material box 210, and the bottom of the liquid adding hopper is communicated with a liquid inlet at the top of the liquid material box 210 through a pipeline; wherein the drive motor 201 may be installed in a reactor, such as an esterification reactor; if the reactor is provided with an electric stirring mechanism, the motor of the electric stirring mechanism and the driving motor 201 can share the same motor, and a stirring shaft and a stirring paddle can be specifically arranged at the bottom of the rotating head 202; the functions of auxiliary material throwing and material stirring are realized; when the motor needs to continuously rotate in the same direction, a collecting ring can be arranged at the rotating shaft of the power output part of the driving motor 201, and the power is transmitted from a fixed position to a rotating position through the collecting ring, so that the normal operation of power consumption components such as the vibrating motor 206 is ensured; the working process of the throwing device is as follows: auxiliary materials distributed by the batching system are sent to a charging opening 213 and a liquid adding hopper 214 of the throwing device through a conveying device, solid auxiliary materials are supplemented into a solid material box 209 through the charging opening 213, and liquid auxiliary materials are supplemented into a liquid material box 210 through the liquid adding hopper 214; the driving motor 201 drives the rotating head 202 and the transverse frame 203 to rotate, and the end part of the transverse frame 203 is in sliding fit with the annular guide rail 204 to form a support; in the rotation process, the vibration motor 206 drives the solid material box 209 to vibrate, and solid particles or powder auxiliary materials in the solid material box 209 are discharged from the discharge nozzle 212 and uniformly scattered in the reactor; simultaneously, the liquid auxiliary materials in the liquid material box 210 are uniformly sprayed in the reactor through the liquid distributor 211; the solid auxiliary materials and the liquid auxiliary materials are matched for rotation, so that the solid auxiliary materials and the liquid auxiliary materials are put in, the advantages of uniform putting are achieved, the auxiliary materials are uniformly dispersed, and the amount of the auxiliary materials can be controlled conveniently according to the reaction process; when the batching system comprising the track 101, the transfer crown block 102, the distribution tank 103 and the position sensor 104 is matched with the throwing system, the different distribution tanks 103 correspond to the charging ports 213 and the charging hoppers 214 of the corresponding throwing devices, so that the whole process auxiliary material control of the reaction participation in the reactor is realized from the storage device to the transfer crown block 102, the distribution tank 103, to the solid material box 209 and the liquid material box 210.
The material storage system, the batching system, the throwing system and the reaction system are respectively provided with a wireless communication module, and system running state data are transmitted to the control center through a wireless network by the wireless communication module.
The working principle and the working process of the invention are as follows: the liquid new material storage device of the material storage system stores liquid auxiliary material new materials, the liquid return material storage device stores liquid auxiliary material reclaimed materials, the solid new material storage device stores solid auxiliary material new materials, the solid return material storage device stores solid auxiliary material reclaimed materials, the stored various auxiliary materials are sent to the material distribution system through the conveying device, and auxiliary material distribution is carried out according to different requirements of different production links of the glyceryl triacetate; the distributed auxiliary materials are sent into a throwing system through a conveying device, then the corresponding auxiliary materials are thrown into a reaction system through the throwing system to react, the reaction system separates and collects liquid auxiliary material reclaimed materials and solid auxiliary material reclaimed materials, and then the liquid auxiliary material reclaimed materials and the solid auxiliary material reclaimed materials are sent back to the corresponding liquid return material storage device through the conveying device; when the glyceryl triacetate is produced, the use amount of the reclaimed materials can be flexibly adjusted according to the production requirements, so that the production benefit is improved, and the production cost is reduced; the running states of the storage system, the batching system, the throwing system and the reaction system are all controlled in real time through the control center.
Claims (2)
1. Auxiliary material management and control system for triacetin production, characterized by comprising:
the storage system comprises a liquid new material storage device, a liquid return material storage device, a solid new material storage device and a solid return material storage device, wherein storage capacity detection devices are respectively arranged;
The novel material storage device, the liquid return material storage device, the solid novel material storage device and the solid return material storage device of the material storage system are respectively connected with the material distribution system through conveying devices, the material distribution system is used for distributing different auxiliary materials, the material distribution system is provided with an auxiliary material amount detection device, and the auxiliary material amount detection device is used for detecting auxiliary material amount data and transmitting the auxiliary material amount data to a control center;
The dispensing system is connected with the dispensing system through a conveying device and is used for dispensing auxiliary materials to the reaction system, and the dispensing system is electrically connected with the control center;
The reaction system is used for completing chemical reaction, the liquid auxiliary material reclaimed materials separated and recovered by the reaction system are sent to the corresponding liquid return material storage device through the conveying device, the solid auxiliary material reclaimed materials are sent to the corresponding solid return material storage device through the conveying device, and the reaction system is electrically connected with the control center;
The control center is used for monitoring the running state of the storage system, the running state of the batching system, the running state of the throwing system and the running state of the reaction system, wherein the running state of the storage system comprises storage data, and the running state of the batching system comprises auxiliary material amount data;
The batching system comprises a track (101), a transfer crown block (102), a plurality of distribution tanks (103) and position sensors (104), wherein the transfer crown block (102) is arranged on the track (101), the distribution tanks (103) are sequentially arranged below the track (101) along the direction of the track (101), and the position sensors (104) are arranged at the bottom of the transfer crown block (102) and the top of the distribution tanks (103);
The throwing system comprises a plurality of throwing devices, the throwing devices are arranged in a reactor of the reaction system and comprise a driving motor (201), a rotating head (202), a transverse frame (203), an annular guide rail (204), a hanging frame (205), a vibrating motor (206), a first vibration damping seat (207), a second vibration damping seat (208), a solid material box (209), a liquid material box (210) and a liquid distributor (211), the rotating head (202) is arranged at the power output part of the driving motor (201), the transverse frame (203) is fixedly arranged on the side surface of the rotating head (202), the annular guide rail (204) is fixedly arranged on the inner wall of the reactor, the end part of the transverse frame (203) is clamped into the annular guide rail (204) and is in sliding fit with the annular guide rail (204), the hanging frame (205) is fixedly arranged at the bottom of the transverse frame (203), the transverse frame (203) is provided with a first vibration damping seat (207), the first vibration damping seat (207) is provided with the vibrating motor (206), the liquid material box (210) is fixedly arranged on the hanging frame (205), the liquid distributor (211) is arranged at the bottom of the liquid material box (210), the liquid distributor (210) is fixedly arranged at the bottom of the liquid material box (208) and is fixedly arranged at the top of the liquid material box (208) through the second vibration damping seat (208), the bottom of the solid material box (209) inclines towards the direction of a discharge slot hole, the inclination angle is2 degrees, the power output part of the vibrating motor (206) is connected with the top of the solid material box (209), a discharge nozzle (212) is arranged at the position of the discharge slot hole at the bottom of one side of the solid material box (209), the discharge nozzle (212) is staggered from top to bottom with a liquid distributor (211), a charging hole (213) is formed in the top of the solid material box (209), a liquid charging hopper (214) is arranged above the liquid material box (210), and the bottom of the liquid charging hopper is communicated with the charging hole at the top of the liquid material box (210) through a pipeline.
2. The auxiliary material management and control system for triacetin production according to claim 1, wherein the material storage system, the material distribution system, the material throwing system and the reaction system are respectively provided with a wireless communication module, and system operation state data is transmitted to a control center through a wireless network by the wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414925.5A CN114797672B (en) | 2022-04-20 | 2022-04-20 | Auxiliary material management and control system for triacetin production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210414925.5A CN114797672B (en) | 2022-04-20 | 2022-04-20 | Auxiliary material management and control system for triacetin production |
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| Publication Number | Publication Date |
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| CN114797672A CN114797672A (en) | 2022-07-29 |
| CN114797672B true CN114797672B (en) | 2024-06-04 |
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