CN217795858U

CN217795858U - High-efficient neutralization reaction equipment of p-chlorotrifluoromethane

Info

Publication number: CN217795858U
Application number: CN202221999970.3U
Authority: CN
Inventors: 吴向峰; 吴康; 杜广飞; 张佺; 任航震
Original assignee: Fujian Kangfeng New Materials Co ltd
Current assignee: Fujian Kangfeng New Materials Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-15
Anticipated expiration: 2032-07-29

Abstract

The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a high-efficient neutralization reaction equipment of p-chlorotrifluoromethane, including one-level blender, one-level emulsification pump, one-level separator, second grade blender, second grade emulsification pump and second grade separator. By using the primary mixer, the primary emulsification pump, the primary separator, the secondary mixer, the secondary emulsification pump and the secondary separator as the structure of the p-chlorotrifluoromethane neutralization reaction equipment, the continuous and efficient neutralization of the p-chlorotrifluoromethane raw material can be realized, the neutralization can be realized in batch circulation, the adaptability is strong, the primary emulsification pump and the secondary emulsification pump which are arranged have the dispersion performance of solid high shear, the solid alkali is dispersed into fine particles, meanwhile, the solid and the liquid are fully mixed and contacted in the pump cavity, the solid alkali is favorably and fully reacted, the reaction efficiency is improved, the purity of the product is improved, the application range of the product is expanded, and meanwhile, the quality requirements of different customers are met.

Description

High-efficient neutralization reaction equipment of p-chlorotrifluoromethane

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a high-efficiency neutralization reaction device for p-chlorotrifluoromethane.

Background

The p-chlorotrifluoromethane is an important intermediate of fluorine-containing fine chemical products such as medicines, dyes, pesticides and the like, and is also applied to high-end materials due to excellent chemical properties. The side reaction of the p-chlorotrifluoromethane in the production process causes the crude product to contain various impurities. After the crude product is rectified, impurities still accompany in the product, and in order to meet various index requirements of the product, caustic soda flakes are required to be stirred in a neutralization kettle and neutralized for a long time until the product is qualified, and the process has the following problems:

(1) the waste caustic sludge is generated, more unneutralized flake caustic remains in the waste caustic sludge, and the caustic consumption is large;

(2) the neutralization kettle is adopted for neutralization, the reaction time is long, the operation steps are multiple, the quality of each batch of products is uneven, the number of batches is multiple, and the efficiency is low;

(3) some impurities in the product still remain, and the quality of the product cannot meet the requirements of high-end material customers.

Therefore, it is necessary to improve a neutralization apparatus to meet various needs of different customers while reducing the amount of alkali used, and therefore, an efficient neutralization reaction apparatus for chlorotrifluoromethylene has been proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient neutralization reaction equipment of parachlorobenzotrifluoride, through using the one-level blender, the one-level emulsification pump, the one-level separator, the second grade blender, second grade emulsification pump and second grade separator are as the structure of parachlorobenzotrifluoride neutralization reaction equipment, can carry out continuous high-efficient neutralization to the parachlorobenzotrifluoride raw materials, also can be according to in the batch circulation neutralization, therefore, the adaptability is strong, wherein, the one-level emulsification pump and the second grade emulsification pump of setting have the dispersion can of solid high shear, make solid alkali disperse into fine particle, solid-liquid fully mixes the contact and does benefit to solid alkali by the intensive reaction in the pump chamber simultaneously, and the efficiency of the reaction is improved, the purity of the product is improved, the range of application of product has been enlarged, satisfy different customers's requirements for quality simultaneously, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an efficient neutralization reaction device for p-chlorotrifluoromethane comprises:

the primary neutralization mechanism comprises a primary mixer, a primary emulsification pump and a primary separator, a feeding structure is arranged on the primary mixer, a discharging pipe of the primary mixer is connected with a feeding port of the primary emulsification pump, and a discharging pipe of the primary emulsification pump is connected with a feeding port of the primary separator;

the second-stage neutralizing mechanism comprises a second-stage mixer, a second-stage emulsification pump and a second-stage separator, a discharge pipe of the second-stage mixer is connected with a feed inlet of the second-stage emulsification pump, and a discharge pipe of the second-stage emulsification pump is connected with a feed inlet of the second-stage separator;

the liquid outlet of the first-stage separator is connected with the feed inlet of the second-stage mixer through a pipeline, and the solid discharge port of the second-stage separator is connected with the feed inlet of the first-stage mixer through a circulating pipe.

As a preferred scheme, the feeding structure specifically comprises a feeding pipe arranged on the right side of the top of the primary mixer and a hopper arranged on the top of the primary mixer, wherein a flowmeter and a feeding valve are sequentially arranged on the feeding pipe from left to right, a discharging pipe at the bottom of the hopper extends into the primary mixer, and a rotary quantitative discharging device is arranged on the discharging pipe of the hopper.

As a preferred scheme, stirrers are arranged inside the first-stage mixer and the second-stage mixer.

As a preferred scheme, the discharge hole of the first-stage separator and the discharge hole of the second-stage separator are respectively connected with the corresponding first-stage mixer and second-stage mixer through return pipes, and the return pipes are provided with switch valves.

As a preferred scheme, a PH value sensor extending into the secondary mixer is arranged on the secondary mixer.

As a preferable scheme, the right side of the secondary separator is provided with a discharge pipe.

Preferably, the bottom of the first-stage separator is provided with a solid discharge port.

By the above technical scheme the utility model provides an can see out, the utility model provides a pair of high-efficient neutralization reaction equipment of chlorine benzotrifluoride, beneficial effect is: by using the primary mixer, the primary emulsification pump, the primary separator, the secondary mixer, the secondary emulsification pump and the secondary separator as the structure of the p-chlorotrifluoromethane neutralization reaction equipment, the continuous and efficient neutralization of the p-chlorotrifluoromethane raw material can be realized, the neutralization can be realized in batch circulation, the adaptability is strong, the primary emulsification pump and the secondary emulsification pump which are arranged have the dispersion performance of solid high shear, the solid alkali is dispersed into fine particles, meanwhile, the solid and the liquid are fully mixed and contacted in the pump cavity, the solid alkali is favorably and fully reacted, the reaction efficiency is improved, the purity of the product is improved, the application range of the product is expanded, and meanwhile, the quality requirements of different customers are met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a p-chlorotrifluoromethane high-efficiency neutralization reaction apparatus of the present invention.

In the figure: 1. a first-stage mixer; 11. a feeding pipe; 12. a flow meter; 13. a feed valve; 14. a hopper; 15. rotating the quantitative feeder; 2. a first-stage emulsification pump; 22. a first stage separator; 23. a solids discharge port; 24. a return pipe; 3. a secondary mixer; 31. a pH value sensor; 32. a second-stage emulsification pump; 33. a secondary separator; 34. a discharge pipe; 4. a circulation pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and the specific embodiments.

As shown in fig. 1, the embodiment of the present invention provides a high-efficiency neutralization reaction apparatus for p-chlorotrifluoromethane, including:

the device comprises a first-stage neutralizing mechanism, the first-stage neutralizing mechanism comprises a first-stage mixer 1, a first-stage emulsification pump 2 and a first-stage separator 22, a feeding structure is arranged on the first-stage mixer 1 and specifically comprises a feeding pipe 11 arranged on the right side of the top of the first-stage mixer 1 and a hopper 14 arranged on the top of the first-stage mixer 1, a flowmeter 12 and a feeding valve 13 are sequentially arranged on the feeding pipe 11 from left to right, a discharging pipe at the bottom of the hopper 14 extends into the first-stage mixer 1, a rotary quantitative discharging device 15 is arranged on the discharging pipe of the hopper 14, a discharging pipe of the first-stage mixer 1 is connected with a feeding port of the first-stage emulsification pump 2, and a discharging pipe of the first-stage emulsification pump 2 is connected with a feeding port of the first-stage separator 22;

the second-stage neutralizing mechanism comprises a second-stage mixer 3, a second-stage emulsification pump 32 and a second-stage separator 33, a discharge pipe of the second-stage mixer 3 is connected with a feed inlet of the second-stage emulsification pump 32, and a discharge pipe of the second-stage emulsification pump 32 is connected with a feed inlet of the second-stage separator 33;

the liquid outlet of the first separator 22 is connected with the feed inlet of the second mixer 3 through a pipeline, and the solid discharge outlet of the second separator 33 is connected with the feed inlet of the first mixer 1 through a circulating pipe 4.

In the above device, the first-stage mixer 1 and the second-stage mixer 3 are both provided with a stirrer inside.

In the above device, the discharge port of the first-stage separator 22 and the discharge port of the second-stage separator 33 are respectively connected to the corresponding first-stage mixer 1 and second-stage mixer 3 through the return pipe 24, and the return pipe 24 is provided with a switch valve.

In the above-described apparatus, the secondary mixer 3 is provided with a PH sensor 31 extending into the secondary mixer 3.

In the above apparatus, the discharge pipe 34 is provided on the right side of the secondary separator 33, and the solids discharge port 23 is provided at the bottom of the primary separator 22.

The embodiments of the present invention will be described in further detail below with reference to the attached drawings:

referring to fig. 1, the device comprises a first-stage mixer 1, a first-stage emulsification pump 2, a first-stage separator 22, a second-stage mixer 3, a second-stage emulsification pump 32 and a second-stage separator 33, wherein a feeding pipe 11 is arranged on the right side of the top of the first-stage mixer 1, a hopper 14 is arranged on the top of the first-stage mixer 1, a flowmeter 12 and a feeding valve 13 are sequentially arranged on the feeding pipe 11 from left to right, a discharging pipe at the bottom of the hopper 14 extends into the first-stage mixer 1, a rotary quantitative discharging device 15 is arranged on the discharging pipe of the hopper 14, a discharging pipe of the first-stage mixer 1 is connected with a feeding port of the first-stage emulsification pump 2, a discharging pipe of the first-stage emulsification pump 2 is connected with a feeding port of the first-stage separator 22, a discharging pipe of the second-stage mixer 3 is connected with a feeding port of the second-stage emulsification pump 32, a discharging pipe of the second-stage emulsification pump 32 is connected with a feeding port of the second-stage separator 33, a liquid outlet of the first-stage separator 22 is connected with a feeding port of the second-stage mixer 3 through a pipeline, a solid discharging port of the second-stage separator 33 is connected with a feeding port of the first-stage mixer 1 through a circulating pipe 4, a solid discharging port of the first-stage mixer 22, a solid discharging port of the second-stage mixer 3 is connected with a solid discharging port through a circulating pipe 23, a second-stage separator 33, a backflow pipe 24, a solid discharging port of the first-stage mixer 1, a second-stage separator 33, a second-stage mixer 23 is arranged on the first-stage separator 33, a second-stage mixer, a backflow pipe, a second-stage separator 23 is arranged on the first-stage separator 33, a backflow pipe, a second-stage separator 23, a backflow pipe 24, a second-stage separator 23 is arranged on the bottom of the second-stage separator 33, and a second-stage separator 33, a backflow pipe 23 is arranged on the second-stage separator 33.

Referring to fig. 1, the first-stage mixer 1 and the second-stage mixer 3 are provided therein with stirrers, which are arranged to accelerate the mixing of the p-chlorotrifluoromethane solution and the solid alkali and accelerate the neutralization reaction.

Referring to fig. 1, a PH sensor 31 is disposed on the second-stage mixer 3 and extends into the second-stage mixer 3, and the PH sensor 31 is disposed to detect the PH of the p-chlorotrifluoromethane solution, so as to determine the reaction condition of the p-chlorotrifluoromethane solution.

The working principle of the embodiment is as follows: through using the structure of one-level blender, one-level emulsification pump, one-level separator, the second grade blender, second grade emulsification pump and second grade separator as parachlorobenzotrifluoride neutralization reaction equipment, can carry out continuous high-efficient neutralization to parachlorobenzotrifluoride raw materials, also can be according to the circulation neutralization of wholesale, strong adaptability, wherein, the one-level emulsification pump and the second grade emulsification pump that set up have the dispersion performance of solid high-shear, make solid caustic soda disperse into fine particle, solid-liquid fully mixes the contact and does benefit to the solid caustic soda by abundant reaction in the pump chamber simultaneously, the flowmeter detectable material addition amount that sets up, the use of cooperation rotatory ration unloading ware, can realize the ratio of adding to the material, improve the reaction accuracy, reduce the consumption of solid caustic soda.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficient neutralization reaction equipment of p-chlorotrifluoromethane which is characterized in that: the method comprises the following steps:

the primary neutralization mechanism comprises a primary mixer (1), a primary emulsification pump (2) and a primary separator (22), a feeding structure is arranged on the primary mixer (1), a discharging pipe of the primary mixer (1) is connected with a feeding port of the primary emulsification pump (2), and a discharging pipe of the primary emulsification pump (2) is connected with a feeding port of the primary separator (22);

the two-stage neutralizing mechanism comprises a two-stage mixer (3), a two-stage emulsifying pump (32) and a two-stage separator (33), a discharge pipe of the two-stage mixer (3) is connected with a feed inlet of the two-stage emulsifying pump (32), and a discharge pipe of the two-stage emulsifying pump (32) is connected with a feed inlet of the two-stage separator (33);

the liquid outlet of the first-stage separator (22) is connected with the feed inlet of the second-stage mixer (3) through a pipeline, and the solid discharge outlet of the second-stage separator (33) is connected with the feed inlet of the first-stage mixer (1) through a circulating pipe (4).

2. The high-efficiency neutralization reaction equipment for the chlorotrifluorotoluene as claimed in claim 1, wherein: the feeding structure specifically comprises an inlet pipe (11) arranged on the right side of the top of the first-stage mixer (1) and a hopper (14) arranged on the top of the first-stage mixer (1), wherein a flowmeter (12) and a feeding valve (13) are sequentially arranged on the inlet pipe (11) from left to right, a discharging pipe at the bottom of the hopper (14) extends into the first-stage mixer (1), and a rotary quantitative discharging device (15) is arranged on the discharging pipe of the hopper (14).

3. The high-efficiency neutralization reaction equipment for p-chlorotrifluoromethylene as claimed in claim 1, characterized in that: the primary mixer (1) and the secondary mixer (3) are internally provided with stirrers.

4. The high-efficiency neutralization reaction equipment for the chlorotrifluorotoluene as claimed in claim 1, wherein: the discharge hole of the first-stage separator (22) and the discharge hole of the second-stage separator (33) are respectively connected with the corresponding first-stage mixer (1) and the second-stage mixer (3) through a return pipe (24), and the return pipes (24) are provided with switch valves.

5. The high-efficiency neutralization reaction equipment for p-chlorotrifluoromethylene as claimed in claim 1, characterized in that: and a PH value sensor (31) extending into the secondary mixer (3) is arranged on the secondary mixer (3).

6. The high-efficiency neutralization reaction equipment for p-chlorotrifluoromethylene as claimed in claim 1, characterized in that: and a discharge pipe (34) is arranged on the right side of the secondary separator (33).

7. The high-efficiency neutralization reaction equipment for p-chlorotrifluoromethylene as claimed in claim 1, characterized in that: and a solid discharge port (23) is arranged at the bottom of the primary separator (22).