CN219400066U - Feeding device for alkylanthraquinone production - Google Patents

Abstract

The utility model specifically discloses a feeding device for alkyl anthraquinone production, which comprises a vacuum feeder, wherein a discharge hole at the lower end of the vacuum feeder is connected with an inlet at the upper end of a reaction kettle; wherein, the feed inlet of vacuum glassware is through first electronic ooff valve with be used for accepting the material from the export of storage tank and connect the hopper union coupling, the storage tank passes through weighing sensor and first leg joint, weighing sensor passes through the controller and is connected with the second electronic ooff valve electricity that sets up in the export of storage tank. The automatic weighing and dosing device can automatically weigh and dose materials, can automatically and accurately dose materials to replace manual operation, further can effectively reduce the manual labor intensity, and can prevent HCl acid mist from overflowing to pollute the working environment.

Description

Feeding device for alkylanthraquinone production

Technical Field

The utility model relates to the technical field of chemical engineering filtration, in particular to a feeding device for alkyl anthraquinone production.

Background

In the preparation process of alkylanthraquinone (such as methylanthraquinone, ethylanthraquinone, etc.), after the production raw materials are added into a reaction kettle, stirring and vacuumizing are started, and after stirring is uniform, granular industrial aluminum trichloride is repeatedly added into the reaction kettle for carrying out Friedel-crafts reaction. In the process, the vacuum pump is stopped firstly, a manhole is opened, the weighed industrial aluminum trichloride particles are manually put into the manhole, then the manhole is closed, the vacuum is pumped again, and the Friedel-crafts reaction is continued. The above process is repeated every time aluminum trichloride is added.

In the process, because the vacuumizing is stopped, HCl acid mist in the reaction kettle overflows from a manhole opening, so that the workshop operation environment is polluted; and the manual weighing and the repeated feeding are needed, so that the labor intensity is high.

Disclosure of Invention

The utility model aims at providing a material feeding device is used in production of alkyl anthraquinone, batching of can automatic weighing to can realize automatic accurate batch feeding, in order to replace manual operation, and then can effectively reduce artifical intensity of labour, and can avoid HCl acid mist to spill over and pollute the operation environment.

To achieve the above object, the present application provides:

the feeding device for the production of the alkylanthraquinone comprises a vacuum feeder, wherein a discharge hole at the lower end of the vacuum feeder is connected with an inlet at the upper end of a reaction kettle; the vacuum feeder comprises a vacuum feeder, a first electric switch valve, a material receiving hopper tube, a weighing sensor, a first bracket and a second electric switch valve, wherein the material receiving hopper tube is connected with the material receiving hopper tube, the material receiving hopper tube is used for receiving materials discharged from the outlet of the material storage tank, the material storage tank is connected with the first bracket through the weighing sensor, and the weighing sensor is electrically connected with the second electric switch valve arranged at the outlet of the material storage tank through the controller.

Further, a vacuum degree detection mechanism for detecting the vacuum degree of the reaction kettle is arranged in the reaction kettle, and the vacuum degree detection mechanism is electrically connected with the vacuum feeder through a controller.

Further, the vacuum degree detection mechanism includes a vacuum sensor.

Further, connect the hopper through pressure sensor with second support connection, pressure sensor and controller electricity are connected.

Further, the storage tank, the receiving hopper and the pipeline between the feeding port and the receiving hopper are all made of PVC materials.

Further, a feed inlet of the vacuum feeder is connected with a third electric switch valve pipe of a feed supplementing outlet arranged at the upper end of the storage tank; and a material supplementing inlet at the upper end of the material storage tank is connected with a material supplementing pipe through a fourth electric switch valve.

Further, the third electric switch valve is connected with the feed inlet pipe through a quick connector.

Compared with the background technology, the utility model provides the feeding device for the production of the alkylanthraquinone, which is characterized in that the vacuum feeder is arranged at the upper end of the reaction kettle, the discharge port at the lower end of the hopper of the vacuum feeder is connected with the inlet of the reaction kettle, the vacuum feeder can be started and the first electric switch valve is closed, so that the vacuum in the reaction kettle is pumped, no additional vacuum pumping equipment is required, and no vacuum pumping port is required to be arranged in the reaction kettle; in addition, during feeding, the vacuum feeder is started and the first electric switch valve is started, so that the materials in the receiving hopper are extracted and quantitatively discharged, and the feeding is completed; the material can be industrial aluminum trichloride particles and the like; therefore, automatic feeding can be realized, manual participation is not needed, the inlet and the vacuumizing port of the traditional reaction kettle can be combined into a whole, and the processing cost is reduced;

and through the cooperation of the second electric switch valve and the weighing sensor, the accurate quantitative discharge of materials into the receiving hopper can be realized, so as to replace the manual quantitative weighing of materials.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a feeding device for alkyl anthraquinone production.

Wherein:

1. the automatic feeding device comprises a feeding pipe, a fourth electric switching valve, a feeding inlet, a storage tank, a feeding outlet, a third electric switching valve, a quick connector, a first electric switching valve, a feeding port, a vacuum feeder, a hopper, a reaction kettle, a discharging port, a weighing sensor and a pressure sensor.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In order to better understand the aspects of the present application, a further detailed description of the present application will be provided below with reference to the accompanying drawings and detailed description.

As shown in fig. 1, the embodiment of the application provides a feeding device for producing alkylanthraquinone, which comprises a vacuum feeder 10, wherein a discharge hole 13 at the lower end of the vacuum feeder 10 is connected with an inlet at the upper end of a reaction kettle 12; wherein, the feed inlet 9 of vacuum feeder 10 is connected with the receiving hopper 1611 pipe that is used for accepting the material that discharges from the export of storage tank 4 through first electronic ooff valve 8, and storage tank 4 passes through weighing sensor 14 and first leg joint, and weighing sensor 14 passes through the controller and is connected with the second electronic ooff valve 15 that sets up in the export of storage tank 4 electricity, and first electronic ooff valve 8 and controller electricity are connected.

The vacuum feeder 10 is arranged at the upper end of the reaction kettle 12, the discharge port 13 at the lower end of the hopper 11 of the vacuum feeder 10 is connected to the inlet of the reaction kettle 12, the vacuum in the reaction kettle 12 can be pumped out by starting the vacuum feeder 10 and closing the first electric switch valve 8, no additional vacuum pumping equipment is required, and no vacuum pumping port is required to be arranged in the reaction kettle 12; in addition, during feeding, the vacuum feeder 10 is started and the first electric switch valve 8 is opened, so that the materials quantitatively discharged into the receiving hopper 1611 can be extracted, and the feeding is completed; the material can be industrial aluminum trichloride particles and the like; therefore, automatic feeding can be realized, manual participation is not needed, the inlet and the vacuumizing port of the traditional reaction kettle 12 can be combined into a whole, and the processing cost is reduced;

and, through the cooperation of the second electric switch valve 15 and the weighing sensor 14, the accurate quantitative discharge of materials into the receiving hopper 1611 can be realized, so as to replace the manual quantitative weighing of materials.

When the feeding device for alkyl anthraquinone production provided by the utility model is applied, the automatic weighing and the batching can be realized, and the automatic and accurate feeding can be realized, so that the manual operation can be replaced, the manual labor intensity can be effectively reduced, and the pollution to the operation environment caused by the overflow of HCl acid mist can be avoided.

On the basis of the embodiment, a vacuum degree detection mechanism for detecting the vacuum degree is arranged in the reaction kettle 12 and is electrically connected with the vacuum feeder 10 through a controller;

the vacuum degree in the reaction kettle 12 is acquired by utilizing a vacuum degree detection mechanism arranged in the reaction kettle 12 and is transmitted to a controller, and then the current vacuum degree and the set standard reaction vacuum degree are compared by the controller so as to control the start and stop of the vacuum feeder 10, thereby realizing the regulation of the vacuum degree in the reaction kettle 12; it should be noted that when the vacuum feeder 10 is used to pump the gas in the reaction vessel 12 to adjust the vacuum degree, the first electric switching valve 8 of the feed port 9 of the vacuum feeder 10 is in a closed state, and the action can be performed by controlling the first electric switching valve 8 through the controller.

Specifically, the vacuum degree detection mechanism includes a vacuum sensor, and the structure and principle of the vacuum sensor and how to install the vacuum sensor are all in the prior art and are not described in detail; it should be noted that the vacuum gauge is not limited to this structure, and the vacuum gauge can be installed to obtain the vacuum degree in the reaction kettle 12, and then the vacuum feeder is controlled to start and stop after manual reading.

On the basis of the embodiment, the receiving hopper 1611 is connected with the second bracket through the pressure sensor 17, and the pressure sensor 17 is electrically connected with the controller;

during specific installation, the second support is connected with and bears the receiving hopper 1611 through the pressure sensor 17, and then the weight of the receiving hopper 1611 can be obtained through the pressure sensor 17, so that when the vacuum feeder 10 is used for quantitatively discharging materials in the receiving hopper 1611, whether the materials in the receiving hopper 1611 are completely pumped out can be judged through the weight change of the pressure sensor 17.

On the basis of the embodiment, the storage tank 4, the receiving hopper 1611 and the pipelines between the feed inlet 9 and the receiving hopper 1611 are all made of PVC materials; and is suitable for conveying industrial aluminum trichloride with corrosiveness, and the service life is longer.

For better technical effect, on the basis of the embodiment, the feed inlet 9 of the vacuum feeder 10 is connected with the third electric switch valve 6 of the feed outlet 5 arranged at the upper end of the storage tank 4 in a pipe manner; and a feed supplement inlet 3 at the upper end of the storage tank 4 is connected with a feed supplement pipe 1 through a fourth electric switch valve 2.

Specifically, when the material is fed into the material storage tank 4, the controller can control the first electric switch valve 8 and the second electric switch valve 15, start the third electric switch valve 6 and the fourth electric switch valve 2, and start the vacuum feeder to enable the negative pressure to be formed in the material storage tank 4, so that the material can be pumped into the material storage tank 4 to realize the material feeding by inserting the material feeding pipe 1 into the material storage bag, and manual carrying and dumping are not needed.

On the basis of the embodiment, the third electric switch valve 6 is connected with a feed inlet 9 through a quick connector 7; can break the connection between storage tank 4 and feed inlet 9 in the time quantum that does not need to feed to storage tank 4 to avoid influencing weighing sensor 14 and weigh the real-time weight of storage tank 4, guarantee accurate material feeding.

It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The present utility model has been described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. The feeding device for the production of the alkylanthraquinone is characterized by comprising a vacuum feeder, wherein a discharge hole at the lower end of the vacuum feeder is connected with an inlet at the upper end of a reaction kettle; the vacuum feeder comprises a vacuum feeder, a first electric switch valve, a material receiving hopper tube, a weighing sensor, a first bracket and a second electric switch valve, wherein the material receiving hopper tube is connected with the material receiving hopper tube, the material receiving hopper tube is used for receiving materials discharged from the outlet of the material storage tank, the material storage tank is connected with the first bracket through the weighing sensor, and the weighing sensor is electrically connected with the second electric switch valve arranged at the outlet of the material storage tank through the controller.

2. The feeding device for alkyl anthraquinone production according to claim 1, wherein a vacuum degree detection mechanism for detecting the vacuum degree of the reaction kettle is arranged in the reaction kettle, and the vacuum degree detection mechanism is electrically connected with a vacuum feeder through a controller.

3. The feeding device for alkylanthraquinone production according to claim 2, wherein the vacuum degree detection mechanism comprises a vacuum sensor.

4. The feeding device for producing alkylanthraquinone according to claim 1, wherein the receiving hopper is connected to the second bracket via a pressure sensor, and the pressure sensor is electrically connected to the controller.

5. The feeding device for producing alkylanthraquinone according to claim 1, wherein the storage tank, the receiving hopper and the pipeline between the feed inlet and the receiving hopper are all made of PVC material.

6. The feeding device for producing alkylanthraquinone according to claim 1, wherein the feeding port of the vacuum feeder is connected with a third electric switching valve tube of a feeding outlet installed at the upper end of the storage tank; and a material supplementing inlet at the upper end of the material storage tank is connected with a material supplementing pipe through a fourth electric switch valve.

7. The feeding device for producing alkylanthraquinone according to claim 6, wherein the third electric switching valve is connected to the feed inlet pipe via a quick connector.