CN219596313U - Dosing device - Google Patents

Abstract

The utility model discloses a dosing device which comprises two stirring barrels, wherein a conveying pipe is fixedly arranged on the front surface of each stirring barrel, the conveying pipe is communicated with the inside of each stirring barrel, the other end of each conveying pipe is fixedly connected with a two-position three-way valve I, the other interface of each two-position three-way valve I is fixedly connected with a negative pressure suction dosing pipe, the other end of each negative pressure suction dosing pipe is fixedly connected with a booster pump, a medicine storage box is fixedly arranged above each booster pump, and a discharge pipe is fixedly arranged below each stirring barrel. By utilizing the ejector principle, pressurized crude oil is sprayed out of the nozzle at a very high flow rate, so that a negative pressure suction pipe cavity forms a certain negative pressure, a medicament stored in the medicament storage box is pumped out through the suction pipe, the medicament and the crude oil are mixed together through the mixing pipe, and finally the mixture is conveyed into the stirring barrel through the two-position three-way valve I connected with the diffusion pipe, so that the crude oil and the medicament can be mixed together in advance, and the mixing and stirring time is shortened.

Description

Dosing device

Technical Field

The utility model relates to a dosing device, in particular to a dosing device for petroleum processing.

Background

In the petrochemical production process, the problems of viscosity reduction and the like are solved by adding corresponding medicaments according to different liquid outlet, and the medicaments are required to be added into petroleum by using a dosing device.

The petrochemical medicine adding device disclosed in Chinese patent publication No. CN217795982U comprises a box body, a fixed plate is fixedly connected with the bottom end of the box body, an air cylinder is fixedly connected with the end part of the fixed plate, a connecting plate is fixedly connected with the piston end of the air cylinder, the connecting plate is in sliding connection with the outer wall of the fixed plate, a through groove is formed in the outer wall of the connecting plate, a medicine box is attached to the outer wall of the through groove, a group of round grooves are formed in the side wall of the through groove, movable blocks are fixedly connected between the movable blocks and the round grooves, the movable blocks penetrate through the medicine box, limiting holes are formed in the joint of the outer wall of the medicine box and the movable blocks, the problem that the traditional petrochemical medicine adding device cannot always automatically and quantitatively add medicines when in use, the medicine box is inconvenient to install and detach, and meanwhile, a medicine pipe is easy to block so that the processing efficiency is low,

above-mentioned petrochemical adds medicine device discovers following problem in the in-service use, first when using after need to annotate certain petroleum raw materials to the box is inside, again annotates the medicament and stirs, and the recycling after the evacuation later can't continuously work and add the medicament, and the second adds the in-process, once only adds through the medical kit, needs long-time stirring just can fully mix medicament and oil to process time is longer, the lower problem of work efficiency.

Disclosure of Invention

The present utility model is directed to a drug adding device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dosing device, includes two agitator, agitator openly fixed mounting has the conveyer pipe, the conveyer pipe communicates with each other with the agitator is inside, conveyer pipe other end fixedly connected with two-position three-way valve one, another interface fixedly connected with negative pressure suction dosing pipe of two-position three-way valve one, negative pressure suction dosing pipe other end fixedly connected with booster pump, fixed mounting has the explosive storage box above the booster pump, fixed mounting has the discharge pipe below the agitator, the discharge pipe other end fixedly connected with two-position three-way valve two.

Preferably, a stirring motor is fixedly arranged on the stirring barrel, and a stirring column is fixedly arranged at the output end of the stirring motor.

Preferably, a solid filling bucket is fixedly arranged on the stirring barrel and positioned on one side of the stirring motor.

Preferably, the other end of the two-position three-way valve II is fixedly connected with a discharge pipe.

Preferably, the negative pressure suction dosing tube comprises a negative pressure suction tube, a mixing tube, a diffusion tube and a nozzle, one end of the negative pressure suction tube is fixedly connected with the mixing tube, the other end of the mixing tube is fixedly connected with the diffusion tube, the nozzle is embedded and arranged at the other end of the negative pressure suction tube, and the surface of the negative pressure suction dosing tube is fixedly connected with the suction tube.

Preferably, the negative pressure suction dosing pipe is fixedly connected with the output end of the booster pump through a nozzle.

Preferably, the other end of the suction pipe is fixedly connected with the medicine storage box, and a flow sensor is fixedly arranged in the suction pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the jet ejector principle is utilized, pressurized crude oil is sprayed out of the nozzle at a very high flow rate, so that a negative pressure suction pipe cavity forms a certain negative pressure, a medicament stored in the medicament storage box is pumped out through the suction pipe, the medicament is mixed with the crude oil through the mixing pipe, and finally the mixture is conveyed into the stirring barrel through the two-position three-way valve I connected with the diffusion pipe, so that the crude oil and the medicament can be mixed together in advance, and the mixing and stirring time is shortened.

2. After the crude oil and the medicament are mixed and stirred in one stirring barrel, the two-position three-way valve I and the two-position three-way valve II are started to change the conducting ends, the crude oil can enter the other stirring barrel to be stored and stirred, the stirred and mixed crude oil can be discharged from the discharge pipe, the operation is repeated continuously, the medicament can be continuously added into the crude oil and fully mixed, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the other side of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a cross-sectional view of a negative pressure suction dosing tube of the present utility model;

FIG. 5 is a schematic diagram of a two-position three-way valve according to the present utility model.

In the figure: 1. a stirring barrel; 101. a stirring motor; 102. a solid filling bucket; 103. stirring the column; 2. a two-position three-way valve I; 201. a delivery tube; 202. a discharge pipe; 203. two-position three-way valve II; 204. a discharge pipe; 3. a negative pressure suction dosing tube; 301. a negative pressure suction tube; 302. a suction pipe; 303. a mixing tube; 304. a diffusion tube; 305. a nozzle; 4. a booster pump; 401. and a medicine storage box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a dosing device, including two agitator 1, agitator 1 openly fixed mounting has conveyer pipe 201, and conveyer pipe 201 communicates with each other with agitator 1 inside, and conveyer pipe 201 other end fixedly connected with two-position three way valve one 2, and another interface fixedly connected with negative pressure suction dosing pipe 3 of two-position three way valve one 2, and negative pressure suction dosing pipe 3 other end fixedly connected with booster pump 4, fixedly mounted with medicine storage box 401 above the booster pump 4, fixed mounting has discharge pipe 202 below the agitator 1, and the discharge pipe 202 other end fixedly connected with two-position three way valve two 203.

In this embodiment, through connecting the crude oil delivery pipe with the input end of the booster pump 4 by a method, starting the booster pump 4 to convey crude oil to the inside of the negative pressure suction chemical feeding pipe 3 in a pressurized manner, the whole structure of the negative pressure suction chemical feeding pipe 3 is similar to that of the jet device, the pressurized crude oil is utilized to make the inside of the negative pressure suction chemical feeding pipe in a negative pressure state, so that the chemical in the chemical storage tank 401 is pumped at a constant speed, the chemical and the crude oil can be mixed together in the process of conveying the crude oil, meanwhile, due to the two stirring barrels 1, the two-position three-way valve I2 is provided with one input end interface A and is connected with the negative pressure suction chemical feeding pipe 3, the two delivery end interfaces B, C are respectively connected with the two delivery pipes 201, when A, B is conducted, so that the chemical mixed crude oil can be stored and stirred in the stirring barrel 1, after the chemical is fully mixed with the chemical, the two-position three-way valve I2 and the two-position three-way valve II 203 are started to change the conducting end, so that the two-position three-way valve I2 is changed to A, C, the two-position three-way valve II 203 is A, B, the crude oil can enter the other stirring barrel 1 to be stored and stirred, and the crude oil is well stirred, and the chemical can be discharged from the stirring barrel to the stirring barrel is continuously, and the operation can be fully improved, and the chemical can be fully poured.

In order to achieve the purpose of fully mixing the medicaments, the device is realized by adopting the following technical scheme: the stirring motor 101 is fixedly arranged on the stirring barrel 1, the stirring column 103 is fixedly arranged at the output end of the stirring motor 101, the solid filling hopper 102 is fixedly arranged on the stirring barrel 1 and positioned on one side of the stirring motor 101, and the discharge pipe 204 is fixedly connected with the other end of the two-position three-way valve II 203.

The stirring column 103 can be driven to rotate by starting the stirring motor 101, crude oil and medicament entering the stirring barrel 1 can be stirred by the rotation of the stirring column 103, the negative pressure suction dosing tube 3 can only mix liquid medicament, and when solid or powdery medicament needs to be added, the liquid medicament can be added into the stirring barrel 1 through the solid filling hopper 102.

In order to achieve the purpose of automatically filling the medicament, the device is realized by adopting the following technical scheme: the negative pressure suction dosing tube 3 comprises a negative pressure suction tube 301, a suction tube 302, a mixing tube 303, a diffusion tube 304 and a nozzle 305, one end of the negative pressure suction tube 301 is fixedly connected with the mixing tube 303, the other end of the mixing tube 303 is fixedly connected with the diffusion tube 304, the nozzle 305 is embedded and arranged at the other end of the negative pressure suction tube 301, the surface of the negative pressure suction dosing tube 3 is fixedly connected with the suction tube 302, the negative pressure suction dosing tube 3 is fixedly connected with the output end of the booster pump 4 through the nozzle 305, the other end of the suction tube 302 is fixedly connected with the medicine storage box 401, and a flow sensor is fixedly arranged inside the suction tube 302.

By utilizing the ejector principle, pressurized crude oil is sprayed out from the nozzle 305 at a very high flow rate, so that a cavity of the negative pressure suction pipe 301 forms a certain negative pressure, thereby the medicine stored in the medicine storage box 401 is pumped out through the suction pipe 302, the medicine liquid is mixed with the crude oil through the mixing pipe 303, finally, the medicine liquid is connected with the two-position three-way valve I2 through the diffusion pipe 304 and is conveyed into the stirring barrel 1, the flow rate of the medicine liquid can be detected by the flow sensor, the output power of the booster pump 4 is conveniently adjusted, the pressure of the crude oil is conveniently adjusted, the cavity of the negative pressure suction pipe 301 is reduced or lifted, and then the medicine entering speed is adjusted.

The working principle and the using flow of the utility model are as follows: when the device is used, the device is required to be placed at a proper position, a crude oil conveying pipe is fixedly connected with the input end of the booster pump 4 through a method, the booster pump 4 is started to convey crude oil to the inside of the negative pressure suction dosing pipe 3 in a pressurized mode, the whole structure of the negative pressure suction dosing pipe 3 is similar to that of an ejector, the pressurized crude oil is utilized to enable the inside of the negative pressure suction dosing pipe to be in a negative pressure state, therefore, the medicament in the medicament storage tank 401 is pumped at a constant speed, the medicament and the crude oil can be mixed together in the process of conveying the crude oil, the stirring motor 101 is started to drive the stirring column 103 to rotate, the stirring column 103 rotates to stir the crude oil and the medicament entering the inside of the stirring barrel 1, the two-position three-way valve I2 and the two-position three-way valve II 203 are started respectively after the mixing is completed to change the conducting ends, the crude oil enters the other stirring barrel 1 to store and stir and the mixed crude oil can be discharged from the discharge pipe 204.

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 (7)

1. The utility model provides a dosing device, includes two agitator (1), its characterized in that: the stirring barrel is characterized in that a conveying pipe (201) is fixedly arranged on the front surface of the stirring barrel (1), the conveying pipe (201) is communicated with the inside of the stirring barrel (1), a two-position three-way valve I (2) is fixedly connected to the other end of the conveying pipe (201), a negative pressure suction dosing pipe (3) is fixedly connected to the other interface of the two-position three-way valve I (2), a booster pump (4) is fixedly connected to the other end of the negative pressure suction dosing pipe (3), a medicine storage box (401) is fixedly arranged above the booster pump (4), a discharge pipe (202) is fixedly arranged below the stirring barrel (1), and a two-position three-way valve II (203) is fixedly connected to the other end of the discharge pipe (202).

2. A dosing device according to claim 1, wherein: the stirring device is characterized in that a stirring motor (101) is fixedly arranged on the stirring barrel (1), and a stirring column (103) is fixedly arranged at the output end of the stirring motor (101).

3. A dosing device according to claim 1, wherein: and a solid filling hopper (102) is fixedly arranged on the stirring barrel (1) and positioned on one side of the stirring motor (101).

4. A dosing device according to claim 1, wherein: the other end of the two-position three-way valve II (203) is fixedly connected with a discharge pipe (204).

5. A dosing device according to claim 1, wherein: negative pressure suction dosing tube (3) include negative pressure suction tube (301), suction tube (302), hybrid tube (303), diffusion pipe (304), nozzle (305), negative pressure suction tube (301) one end and hybrid tube (303) fixed connection, hybrid tube (303) other end and diffusion pipe (304) fixed connection, nozzle (305) inlay and establish the installation at negative pressure suction tube (301) other end, negative pressure suction dosing tube (3) surface and suction tube (302) fixed connection.

6. A dosing device according to claim 5, wherein: the negative pressure suction dosing pipe (3) is fixedly connected with the output end of the booster pump (4) through a nozzle (305).

7. A dosing device according to claim 5, wherein: the other end of the suction pipe (302) is fixedly connected with the medicine storage box (401), and a flow sensor is fixedly arranged in the suction pipe (302).