CN220214850U - Closed feeding device - Google Patents
Closed feeding device Download PDFInfo
- Publication number
- CN220214850U CN220214850U CN202321740212.4U CN202321740212U CN220214850U CN 220214850 U CN220214850 U CN 220214850U CN 202321740212 U CN202321740212 U CN 202321740212U CN 220214850 U CN220214850 U CN 220214850U
- Authority
- CN
- China
- Prior art keywords
- hopper
- raw materials
- telescopic cylinder
- plug
- way joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 description 2
- XMCRWEBERCXJCH-UHFFFAOYSA-N 1-(2,4-dichlorophenyl)ethanone Chemical compound CC(=O)C1=CC=C(Cl)C=C1Cl XMCRWEBERCXJCH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- ZMYFCFLJBGAQRS-IRXDYDNUSA-N (2R,3S)-epoxiconazole Chemical compound C1=CC(F)=CC=C1[C@@]1(CN2N=CN=C2)[C@H](C=2C(=CC=CC=2)Cl)O1 ZMYFCFLJBGAQRS-IRXDYDNUSA-N 0.000 description 1
- XMAYWYJOQHXEEK-OZXSUGGESA-N (2R,4S)-ketoconazole Chemical compound C1CN(C(=O)C)CCN1C(C=C1)=CC=C1OC[C@@H]1O[C@@](CN2C=NC=C2)(C=2C(=CC(Cl)=CC=2)Cl)OC1 XMAYWYJOQHXEEK-OZXSUGGESA-N 0.000 description 1
- PZBPKYOVPCNPJY-UHFFFAOYSA-N 1-[2-(allyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole Chemical compound ClC1=CC(Cl)=CC=C1C(OCC=C)CN1C=NC=C1 PZBPKYOVPCNPJY-UHFFFAOYSA-N 0.000 description 1
- 239000005944 Chlorpyrifos Substances 0.000 description 1
- 239000005760 Difenoconazole Substances 0.000 description 1
- 239000005767 Epoxiconazole Substances 0.000 description 1
- 238000005863 Friedel-Crafts acylation reaction Methods 0.000 description 1
- 239000005795 Imazalil Substances 0.000 description 1
- 239000005822 Propiconazole Substances 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- SBPBAQFWLVIOKP-UHFFFAOYSA-N chlorpyrifos Chemical compound CCOP(=S)(OCC)OC1=NC(Cl)=C(Cl)C=C1Cl SBPBAQFWLVIOKP-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BQYJATMQXGBDHF-UHFFFAOYSA-N difenoconazole Chemical compound O1C(C)COC1(C=1C(=CC(OC=2C=CC(Cl)=CC=2)=CC=1)Cl)CN1N=CN=C1 BQYJATMQXGBDHF-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229960002125 enilconazole Drugs 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 229960004125 ketoconazole Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- STJLVHWMYQXCPB-UHFFFAOYSA-N propiconazole Chemical compound O1C(CCC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 STJLVHWMYQXCPB-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to the technical field of charging devices, and discloses a closed charging device which comprises a hopper, a valve, a cover plate, a three-way joint, a mounting plate, a telescopic cylinder, a plug, a vacuum pump and a sealing valve. When raw materials need to be added, the sealing valve is closed firstly, then the residual raw materials are pushed into the material conveying section of the three-way joint by utilizing the telescopic cylinder to be matched with the plug head, the plug head can be matched with the material conveying section of the three-way structure to seal the lower side of the material conveying section, then the hopper is opened to add raw materials and then the material is sealed again, then the vacuum pump is used for vacuumizing the hopper, and then the telescopic cylinder drives the plug head to retract, and then the sealing valve is opened. By adopting the structure, the vacuum environment in the hopper can be maintained, and the air in the hopper is prevented from entering when raw materials are added to the reaction in the hopper; meanwhile, the raw materials in the hopper can be added in the using process, and the operation does not need to be stopped; and the arrangement of the sealing valve can prevent the raw materials from falling on the upper side of the plug head to cause clamping.
Description
Technical Field
The utility model relates to the technical field of charging devices, in particular to a closed charging device.
Background
In the chemical synthesis production process, when feeding materials into the reaction kettle, because of the special properties of part of raw materials, the contact with air needs to be avoided, and meanwhile, the environment pollution caused by volatile gas in the reaction kettle is prevented, so that the high requirement on feeding equipment is provided. The 2, 4-dichloro acetophenone has wide application, is an intermediate for preparing fungicides such as imazalil, propiconazole, and epoxiconazole, is also an intermediate for insecticide chlorpyrifos and herbicide difenoconazole, and is also an important raw material of antifungal medicine ketoconazole. At present, the main process of industrial 2, 4-dichloro acetophenone is prepared by Friedel-crafts acylation reaction of m-dichlorobenzene and acetyl chloride under the catalysis of aluminum trichloride, wherein the aluminum trichloride needs to be fed in batches, the traditional feeding process can cause the escape of the m-dichlorobenzene from a reaction device to cause volatile gas pollution, and meanwhile, the aluminum trichloride is easy to deteriorate and lose efficacy when being contacted with air, and a special feeding device is needed.
In order to solve the above technical problems, patent document publication No. CN 212701832U discloses a closed charging device comprising a telescopic column, a hopper, a vibrator, a valve, etc. However, when the aluminum trichloride reaction kettle is used, the hopper is not in a vacuum structure, and when raw materials are added into the reaction kettle, air in the hopper still enters the reaction kettle to react with the aluminum trichloride in the reaction kettle.
Disclosure of Invention
The utility model mainly provides a closed feeding device, which solves the problems that a hopper in the prior art is not of a vacuum structure, and air in the hopper still enters the reaction kettle to react with aluminum trichloride in the reaction kettle when raw materials are added into the reaction kettle.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the closed feeding device comprises a hopper, a valve and a cover plate, and further comprises a three-way joint, wherein a mounting plate is mounted on a first opening of the three-way joint, a telescopic cylinder is mounted on the mounting plate, a plug is mounted at the output end of the telescopic cylinder, a second opening of the three-way joint is communicated with the output end of the hopper, a third opening of the three-way joint is communicated with a feed inlet of a reaction kettle through the valve, and the plug is used for plugging a feed conveying section of the three-way joint by driving of the telescopic cylinder; the hopper is also provided with a vacuum pump, and the second opening is provided with a sealing valve. When raw materials need to be added in the using process, the sealing valve is closed firstly, then the residual raw materials are pushed into the material conveying section of the three-way joint by utilizing the telescopic cylinder to be matched with the plug head, the plug head can be matched with the material conveying section of the three-way joint to seal the lower side of the material conveying section, then the hopper is opened to add raw materials and then the material is sealed again, then the vacuum pump is used for vacuumizing the inside of the hopper, and then the telescopic cylinder is used for driving the plug head to retract, and then the sealing valve is opened. By adopting the structure, the vacuum environment in the hopper can be maintained, and the air in the hopper is prevented from entering when raw materials are added to the reaction in the hopper; meanwhile, the raw materials in the hopper can be added in the using process, and the operation does not need to be stopped; and the arrangement of the sealing valve can prevent the raw materials from falling on the upper side of the plug head to cause clamping.
Further, a rubber sleeve is arranged on the plug. The sealing effect can be further enhanced by adopting the rubber sleeve.
Further, an installation groove is formed in the three-way joint, and a sealing ring is arranged in the installation groove. By adopting the structure, the sealing effect of the three-way joint and the joint of the three-way joint and the component can be enhanced.
Further, the mounting plate is connected with the first opening of the three-way joint through bolts. By adopting the structure, the mounting plate can be conveniently dismounted, so that the plug head and the rubber sleeve are replaced.
Further, the three-way joint is made of stainless steel materials. The stainless steel is made of long service life and corrosion resistance.
The beneficial effects are that: by adopting the structure, the vacuum environment in the hopper can be maintained, and the air in the hopper is prevented from entering when raw materials are added to the reaction in the hopper; meanwhile, the raw materials in the hopper can be added in the using process, and the operation does not need to be stopped; and the arrangement of the sealing valve can prevent the raw materials from falling on the upper side of the plug head to cause clamping.
Drawings
FIG. 1 is a schematic front view of the apparatus of the present embodiment;
fig. 2 is an enlarged schematic diagram of fig. 1 a according to this embodiment.
Reference numerals: hopper 1, valve 2, three way connection 3, mounting panel 4, telescopic cylinder 5, chock plug 6, vacuum pump 7, sealing valve 8, sealing washer 9.
Detailed Description
The following will further explain in detail the technical scheme of a closed feeding device related to the utility model by combining examples.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the closed feeding device of the embodiment comprises a hopper 1, a valve 2 and a cover plate, and further comprises a three-way joint 3, wherein a mounting plate 4 is mounted on a first opening of the three-way joint 3, a telescopic cylinder 5 is mounted on the mounting plate 4, a plug 6 is mounted at an output end of the telescopic cylinder 5, a second opening of the three-way joint 3 is communicated with an output end of the hopper 1, a third opening of the three-way joint 3 is communicated with a feeding port of a reaction kettle through the valve 2, and the plug 6 is used for plugging a feeding section of the three-way joint 3 by driving of the telescopic cylinder 5; the hopper 1 is also provided with a vacuum pump 7, and the second opening is provided with a sealing valve 8. The plug 6 is provided with a rubber sleeve. The three-way joint 3 is provided with a mounting groove, and a sealing ring 9 is arranged in the mounting groove. The sealing ring 9 is arranged on the tee joint 3 corresponding to the first opening, the second opening and the third opening. The mounting plate 4 is connected with the first opening of the three-way joint 3 through bolts. The three-way joint 3 is made of stainless steel materials. When raw materials need to be added in the using process, the sealing valve 8 is closed firstly, then the residual raw materials are pushed into the material conveying section of the three-way joint 3 by utilizing the telescopic cylinder 5 and the plug 6, the plug 6 can be matched with the material conveying section of the three-way structure to seal the lower side of the material conveying section, then the hopper 1 is opened to add raw materials for sealing, then the vacuum pump 7 is used for vacuumizing the hopper 1, then the telescopic cylinder 5 drives the plug 6 to retract, and the sealing valve 8 is opened. By adopting the structure, the vacuum environment in the hopper 1 can be maintained, and the air in the hopper 1 is prevented from entering when raw materials are added to the reaction; meanwhile, the raw materials in the hopper 1 can be added in the using process without stopping operation; and the closing valve 8 can prevent the raw material from falling on the upper side of the plug head 6 to cause jam.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a closed feeding device, includes hopper, valve and apron, its characterized in that: the three-way connector is characterized by further comprising a three-way connector, wherein a mounting plate is mounted on a first opening of the three-way connector, a telescopic cylinder is mounted on the mounting plate, a plug is mounted at the output end of the telescopic cylinder, a second opening of the three-way connector is communicated with the output end of the hopper, a third opening of the three-way connector is communicated with a feed inlet of the reaction kettle through a valve, and the plug is used for plugging a material conveying section of the three-way connector by driving of the telescopic cylinder; the hopper is also provided with a vacuum pump, and the second opening is provided with a sealing valve.
2. A closed charging device according to claim 1, wherein: the plug is provided with a rubber sleeve.
3. A closed charging device according to claim 1, wherein: the three-way joint is provided with a mounting groove, and a sealing ring is arranged in the mounting groove.
4. A closed charging device according to claim 1, wherein: the mounting plate is connected with the first opening of the three-way joint through bolts.
5. A closed charging device according to claim 1, wherein: the three-way joint is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740212.4U CN220214850U (en) | 2023-06-29 | 2023-06-29 | Closed feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740212.4U CN220214850U (en) | 2023-06-29 | 2023-06-29 | Closed feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214850U true CN220214850U (en) | 2023-12-22 |
Family
ID=89197560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321740212.4U Active CN220214850U (en) | 2023-06-29 | 2023-06-29 | Closed feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220214850U (en) |
-
2023
- 2023-06-29 CN CN202321740212.4U patent/CN220214850U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |