CN211913704U

CN211913704U - Benzoyl chloride production is with reinforced spray gun

Info

Publication number: CN211913704U
Application number: CN201922308293.0U
Authority: CN
Inventors: 陈栋华
Original assignee: Changzhou Feixi Automation Engineering Co ltd
Current assignee: Changzhou Feixi Automation Engineering Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-11-13
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a feeding spray gun for benzoyl chloride production, which comprises a spray gun main body, an air inlet pipe and a waste acid inlet pipe, wherein the air inlet pipe and the waste acid inlet pipe are arranged at the same end of the spray gun main body; the other end of the spray gun main body is provided with an atomizing nozzle, and a mixing pipe is arranged between the air inlet pipe, the waste acid inlet pipe and the spray gun main body; one end of the spray gun main body, which is close to the mixing pipe, is provided with a lifting mechanism for lifting or descending the spray gun main body and a cleaning mechanism for cleaning the part of the spray gun main body immersed in the reaction liquid, wherein the lifting mechanism and the cleaning mechanism are respectively electrically connected with and controlled by a PLC (programmable logic controller); the spray gun main part is equipped with the sleeve pipe outward, and the sleeve pipe includes the shell, with the support frame of shell inboard connection, with the contact of spray gun main part periphery and set up the ball at the support frame. The charging spray gun can improve the contact area of waste acid in reaction liquid and improve the reaction efficiency; the waste acid generated by the reaction is recycled, and the method has good reaction yield when the concentration of the waste acid is low, reduces the cost, saves energy and protects the environment.

Description

Benzoyl chloride production is with reinforced spray gun

Technical Field

The utility model belongs to the technical field of chemical production equipment, concretely relates to benzoyl chloride production is with reinforced spray gun.

Background

Benzoyl chloride is an important intermediate for the preparation of dyes, fragrances, organic peroxides, resins, and the like. The existing chemical feeding usually adopts feeding modes such as dripping, one-time feeding and the like, and in the production process, the reaction yield of benzoyl chloride is influenced due to small contact area between materials, low reaction rate and low conversion rate; a large amount of waste acid is generated in the reaction process, the treatment difficulty is high, the pollution is serious, and the production of benzoyl chloride is greatly restricted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the above defect, the utility model provides a benzoyl chloride production is with reinforced spray gun carries out recycle to the spent acid that the reaction produced, also has good reaction yield when spent acid concentration is lower, reduce cost, energy-concerving and environment-protective.

The utility model provides a technical scheme that its technical problem adopted as follows: a feeding spray gun for benzoyl chloride production comprises a spray gun main body, an air inlet pipe and a waste acid inlet pipe, wherein the air inlet pipe and the waste acid inlet pipe are arranged at the same end of the spray gun main body; the other end of the spray gun main body is provided with an atomizing nozzle, and a mixing pipe is arranged between the air inlet pipe, the waste acid inlet pipe and the spray gun main body; and one end of the spray gun main body, which is close to the mixing pipe, is provided with a lifting mechanism for lifting or descending the spray gun main body and a cleaning mechanism for cleaning the part of the spray gun main body immersed in the reaction liquid, wherein the lifting mechanism and the cleaning mechanism are respectively electrically connected with the PLC and are controlled by the PLC. The spray head of the charging spray gun is provided with an atomizing nozzle, so that the reaction yield can be good even when the concentration of waste acid is low; the contact area of the high-concentration waste acid and the raw materials during the reaction is increased, so that the reaction rate is increased; the waste acid can be recycled, the cost is reduced, and the energy is saved and the environment is protected; the lifting mechanism is arranged to control the lifting height of the spray gun main body, so that the stirring effect is achieved during reaction, and the contact area between the raw materials is further increased.

Further, the lifting mechanism comprises a connecting rod connected with the spray gun main body and a lifting shaft, the lifting shaft is driven by a driving motor to lift, and the lifting of the driving motor is controlled by a PLC (programmable logic controller); the cleaning mechanism comprises a spray pipe and a spray head arranged at one end of the spray pipe, a control valve is arranged on the spray pipe, the opening and closing of the control valve are controlled by a PLC (programmable logic controller), the control valve is arranged on the spray pipe, the adding amount and the adding speed during reaction can be controlled, and the reaction is controllable.

Further, the spray gun main part is equipped with the sleeve pipe outward, the sleeve pipe includes the shell, with the inboard support frame of being connected of shell, with spray gun main part periphery contact and set up the ball at the support frame, set up the ball, the rotation of the sleeve pipe in spray gun main part of being convenient for reduces the friction, reinforced spray gun long service life.

Furthermore, an in-place sensor is arranged on the outer side of the sleeve, and when the spray gun main body runs 1/4-2/3 of the length of the spray gun main body in the sleeve, signals of the in-place sensor are transmitted to the PLC to control the cleaning mechanism to work; the cleaning mechanism stops when the lance body travels within the sleeve a distance greater than 2/3 of the length of the lance body. The limited in-place sensor control avoids material sticking to the lance body and thereby affecting product purity.

Furthermore, the cleaning mechanism is fixed below a ball arranged on the inner side of the casing of the sleeve, the casing is of a gear structure, the gear of the casing is connected with a rotating gear, and the rotating gear is driven by a rotating motor. Through gear drive, the wiper mechanism who is connected with the sleeve pipe can rotate round the spray gun main part, and the spray gun main part sanitization avoids introducing impurity to reaction system.

Furthermore, a rotating turbine is arranged in the mixing pipe and consists of a supporting shaft fixed with the wall of the mixing pipe and turbine blades, the turbine blades are of arc-shaped structures, and the arc-shaped bending direction is the fluid transmission direction. Through setting up crooked turbine blade, the even degree of the mixture of the waste acid of being convenient for and air improves atomizing ability, improves the mixing degree of consistency between the raw materials.

The utility model has the advantages that: by adopting the scheme, the spray head of the charging spray gun is provided with the atomizing nozzle, so that the reaction yield can be high even when the concentration of waste acid is low; the contact area of the high-concentration waste acid and the raw materials during the reaction is increased, so that the reaction rate is increased; the waste acid can be recycled, the cost is reduced, and the energy is saved and the environment is protected; a lifting mechanism is arranged to control the lifting height of the spray gun main body, so that the stirring effect is achieved during reaction, and the contact area between the raw materials is further increased; the spraying pipe is provided with a control valve which can control the adding amount and the adding speed during the reaction, and the reaction is controllable. The ball is convenient for the sleeve to rotate on the spray gun main body, the friction is reduced, and the service life of the charging spray gun is long; the limited in-place sensor control can avoid raw materials adhered to the spray gun body, thereby influencing the purity of products; through gear transmission, the cleaning mechanism connected with the sleeve can rotate around the spray gun main body, and the spray gun main body is cleaned, so that impurities are prevented from being introduced into a reaction system; set up crooked turbine blade, the even degree of the mixture of the waste acid of being convenient for and air improves atomizing ability, improves the mixing degree of consistency between the raw materials.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

wherein: the spray gun comprises a spray gun body 1, an air inlet pipe 2, a waste acid inlet pipe 3, an atomizing nozzle 4, a mixing pipe 5, a rotating turbine 51, a supporting shaft 511, a turbine blade 512, a sleeve 6, a shell 61, a supporting frame 62, a ball 63, a rotating gear 64, a rotating motor 65, a lifting mechanism 7, a connecting rod 71, a lifting shaft 72, a driving motor 73, a cleaning mechanism 8, a spray pipe 81, a spray head 82, a control valve 83, an in-place sensor 84 and a PLC (programmable logic controller) 9.

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 examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the feeding spray gun for benzoyl chloride production comprises a spray gun main body 1, an air inlet pipe 2 and a waste acid inlet pipe 3, wherein the air inlet pipe 2 and the waste acid inlet pipe 3 are arranged at the same end of the spray gun main body 1; the other end of the spray gun main body 1 is provided with an atomizing nozzle 4, a mixing pipe 5 is further arranged between the air inlet pipe 2, the waste acid inlet pipe 3 and the spray gun main body 1, a rotating turbine 51 is arranged in the mixing pipe 5, the rotating turbine 51 is composed of a support shaft 511 and turbine blades 512, the support shaft 511 and the turbine blades 512 are fixed to the pipe wall of the mixing pipe 5, the turbine blades 512 are of an arc-shaped structure, and the arc-shaped bending direction is a fluid transmission direction; one end of the spray gun main body 1, which is close to the mixing pipe 5, is provided with a lifting mechanism 7 for lifting or lowering the spray gun main body 1 and a cleaning mechanism 8 for cleaning the part of the spray gun main body 1 immersed in the reaction liquid, wherein the lifting mechanism 7 and the cleaning mechanism 8 are respectively and electrically connected with a PLC (programmable logic controller) 9;

the lifting mechanism 7 comprises a connecting rod 71 connected with the spray gun main body 1 and a lifting shaft 72, the lifting shaft 72 is driven by a driving motor 73 to lift, and the lifting of the driving motor 73 is controlled by a PLC 9; the cleaning mechanism 8 comprises a spray pipe 81 and a spray head 82 arranged at one end of the spray pipe 81, a control valve 83 is arranged on the spray pipe 81, and the opening and closing of the control valve 83 are controlled by a PLC 9.

A sleeve 6 is arranged outside the spray gun main body 1, the sleeve 6 comprises a shell 61, a supporting frame 62 connected with the inner side of the shell 61 and balls 63 which are contacted with the periphery of the spray gun main body 1 and arranged on the supporting frame 62, an in-place sensor 84 is arranged outside the sleeve 6, and when the spray gun main body 1 runs 1/4-2/3 of the length of the spray gun main body 1 in the sleeve 6, signals of the in-place sensor 84 are transmitted to a PLC (programmable logic controller) 9 to control the cleaning mechanism 8 to work; when the travel distance of the spray gun body 1 in the sleeve 6 is greater than 2/3 of the length of the spray gun body 1, the cleaning mechanism 8 stops; the cleaning mechanism 8 is fixed below a ball 63 arranged on the inner side of a shell 61 of the sleeve 6, the shell 61 is of a gear structure, a rotating gear 64 is connected to the shell 61 through a gear, and the rotating gear 64 is driven by a rotating motor 65.

The charging spray gun can improve the contact area of waste acid in reaction liquid and improve the reaction efficiency; the waste acid generated by the reaction is recycled, and the reaction yield is good when the concentration of the waste acid is low, so that the cost is reduced, and the energy is saved and the environment is protected; through the lift of hoist mechanism, the process of control reaction to when the spray gun main part descends or promotes before using and after using, the sensor response that targets in place, wiper mechanism work prevents that atomizing nozzle department material from remaining, avoids the production of impurity.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A feeding spray gun for benzoyl chloride production comprises a spray gun main body (1), an air inlet pipe (2) and a waste acid inlet pipe (3), wherein the air inlet pipe (2) and the waste acid inlet pipe (3) are arranged at the same end of the spray gun main body (1); the spray gun main part (1) other end is equipped with atomizing nozzle (4), its characterized in that: a mixing pipe (5) is arranged between the air inlet pipe (2), the waste acid inlet pipe (3) and the spray gun main body (1); the spray gun is characterized in that one end, close to the mixing pipe (5), of the spray gun main body (1) is provided with a lifting mechanism (7) for lifting or descending the spray gun main body (1) and a cleaning mechanism (8) for cleaning the part, immersed in the reaction liquid, of the spray gun main body (1), and the lifting mechanism (7) and the cleaning mechanism (8) are respectively electrically connected with the PLC (9) and controlled by the PLC (9).

2. The charging lance as claimed in claim 1, wherein: the lifting mechanism (7) comprises a connecting rod (71) connected with the spray gun main body (1) and a lifting shaft (72), the lifting shaft (72) is driven to lift by a driving motor (73), and the lifting of the driving motor (73) is controlled by a PLC (programmable logic controller) controller (9);

the cleaning mechanism (8) comprises a spray pipe (81) and a spray head (82) arranged at one end of the spray pipe (81), a control valve (83) is arranged on the spray pipe (81), and the opening and closing of the control valve (83) are controlled by a PLC (programmable logic controller) controller (9).

3. The charging lance as claimed in claim 1, wherein: the spray gun is characterized in that a sleeve (6) is arranged outside the spray gun body (1), and the sleeve (6) comprises a shell (61), a supporting frame (62) connected with the inner side of the shell (61), and balls (63) which are in contact with the periphery of the spray gun body (1) and are arranged on the supporting frame (62).

4. A charging lance for the production of benzoyl chloride as defined in claim 3 wherein: an in-place sensor (84) is arranged on the outer side of the sleeve (6), when the spray gun main body (1) runs 1/4-2/3 of the length of the spray gun main body (1) in the sleeve (6), a signal of the in-place sensor (84) is transmitted to a PLC (programmable logic controller) controller (9) to control the cleaning mechanism (8) to work; when the travel distance of the spray gun main body (1) in the sleeve (6) is larger than 2/3 of the length of the spray gun main body (1), the cleaning mechanism (8) stops.

5. A charging lance for the production of benzoyl chloride as defined in claim 3 wherein: the cleaning mechanism (8) is fixed below a ball (63) arranged on the inner side of a shell (61) of the sleeve (6), the shell (61) is of a gear structure, the shell (61) is connected with a rotating gear (64) through a gear, and the rotating gear (64) is driven by a rotating motor (65).

6. The charging lance as claimed in claim 1, wherein: be equipped with rotatory turbine (51) in hybrid tube (5), rotatory turbine (51) comprise with fixed back shaft (511) of hybrid tube (5) pipe wall and turbine blade (512), turbine blade (512) are the arc structure, and the arc crooked direction is fluid transmission direction.