CN218962611U

CN218962611U - Chloridizing reaction device for bleaching powder production

Info

Publication number: CN218962611U
Application number: CN202223148168.6U
Authority: CN
Inventors: 舒军营; 宋开伟; 刘安乐; 张长乐; 刘步宇
Original assignee: Shandong Hengtong Chemical Co
Current assignee: Shandong Hengtong Chemical Co
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-05
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a chlorination reaction device for producing bleaching powder, which relates to the technical field of bleaching powder production and comprises a support, wherein a plurality of stages of reaction barrels are sequentially arranged from top to bottom, a feed inlet is arranged at the upper side of one end of each reaction barrel, a discharge outlet is arranged at the lower side of the other end of each reaction barrel, a stirring device is arranged in each reaction barrel, one end of each stirring device penetrates through each reaction barrel and is provided with a belt wheel, the reaction barrels which are sequentially connected in series through a soft sleeve from top to bottom are sequentially connected in series through belt wheels which are sequentially connected in series from the top to bottom, an air inlet is arranged on the reaction barrel which is arranged at the lowest, and an air outlet is arranged on the reaction barrel which is arranged at the uppermost.

Description

Chloridizing reaction device for bleaching powder production

Technical Field

The utility model relates to the technical field of bleaching powder production, in particular to a chlorination reaction device for bleaching powder production.

Background

The bleaching powder is white powder, has odor similar to chlorine, and is used for bleaching cotton, hemp, paper pulp and silk fiber fabrics, sterilizing and disinfecting drinking water, swimming pool water and the like, purifying acetylene and the like. Bleaching powder is one of traditional bleaching agent and sterilizing disinfectant, and is also a conventional product for balancing chlorine in the chlor-alkali chemical industry.

The bleaching powder is convenient to use and low in price; the production process is not complex, the requirement on the purity of chlorine is not high, and the application range is wide. Lime and chlorine are used as raw materials, and the lime reacts with the chlorine after being digested. Firstly, slaked lime is obtained after dry slaking reaction of the quicklime; adding slaked lime into a chlorinator, and introducing chlorine into the chlorinator through a chlorine control system to carry out chlorination reaction to obtain bleaching powder and tail gas containing dust and chlorine; introducing the tail gas containing dust and chlorine into a primary water washing tower to obtain an alkaline washing liquid of the chlorinated tail gas, and then taking the alkaline washing liquid as an absorption liquid of a secondary tail gas absorption tower to perform an absorption reaction with chlorine in the tail gas to obtain clean water vapor and an absorption liquid; discharging the obtained clean water vapor from the blow-down pipe; the absorption liquid is used as lime slaking water in the slaking system.

The chlorination reaction in the production process of the efficient bleaching powder is a crucial step, and chlorine needs to be introduced into the chlorination reactor, so that the contact area between the chlorine and slaked lime slurry in the existing chlorination reactor is not large enough, the gas residence time is short, and the product yield is not high.

Disclosure of Invention

The utility model provides a chlorination reaction device for bleaching powder production, which aims to overcome the defects of insufficient contact area of chlorine and slaked lime slurry and short mixing residence time in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a chlorination reaction device for bleaching powder production, which comprises a bracket, the support is from last down setting gradually multistage reaction feed cylinder, reaction feed cylinder one end upside sets up the feed inlet, reaction feed cylinder other end downside sets up the discharge gate, set up agitating unit in the reaction feed cylinder, agitating unit one end runs through the reaction feed cylinder and sets up the band pulley, from last down setting reaction feed cylinder passes through soft sleeve pipe and establishes ties in proper order, from last band pulley that sets up down establishes ties in proper order through following the chain, set up the air inlet on the reaction feed cylinder of lower part, set up the gas outlet on the reaction feed cylinder of uppermost, multistage series connection reaction feed cylinder and reverse feeding admit air, improve material powder and gaseous mixed dwell time, increase mixed area of contact.

As a further improvement of the utility model, a variable frequency motor is arranged at one side of the bracket and is connected with the belt wheel at the lowest part through a main chain. The stirring rotation speed of the stirring device is adjusted through the variable frequency motor.

As a further improvement of the utility model, the stirring device comprises a stirring shaft, stirring blades are arranged on the stirring shaft, and end blades are arranged at the ends of the stirring blades. The end blades provide a transverse shear force, making the stirring more uniform.

As a further improvement of the utility model, the stirring device is covered with a rubber lining surface, so that the service life of the equipment is prolonged.

As a further improvement of the utility model, a temperature measuring device is arranged at the discharge hole of the reaction charging barrel. The outlet temperature was monitored and the reaction was adjusted in time.

As a further improvement of the utility model, the inner wall of the reaction charging barrel is provided with a tetrafluoro coating, thereby prolonging the service life of the equipment.

Compared with the prior art, the utility model has the beneficial effects that: the multistage reaction feed cylinder of this scheme vertical arrangement to establish ties together, improve and stay reaction time, set up agitating unit in the reaction feed cylinder, make the material powder and gas intensive mixing, increase area of contact, thereby improve product yield.

Drawings

The utility model is further described below with reference to the drawings and the detailed description.

FIG. 1 is a front view of a chlorination reactor for producing bleaching powder according to the present disclosure.

FIG. 2 is a side view of a chlorination reaction device for producing bleaching powder according to the present disclosure.

In the figure: 1. a bracket; 2. a reaction cylinder; 3. a feed inlet; 4. a discharge port; 5. a stirring device; 51. a stirring shaft; 52. stirring blades; 53. an end blade; 6. a soft sleeve; 7. a slave chain; 8. a belt wheel; 9. a variable frequency motor; 10. a main chain; 11. a temperature measuring device; 12. an air inlet; 13. and an air outlet.

Detailed Description

In order that the technical scheme and the beneficial effects of the utility model become more apparent, the utility model is further described in detail below with reference to specific embodiments.

Referring to fig. 1, the embodiment of the utility model discloses a chlorination reaction device for producing bleaching powder, which comprises a bracket 1, wherein the bracket 1 is sequentially provided with a plurality of stages of reaction feed barrels 2 from top to bottom, a feed inlet 3 is arranged at the upper side of one end of the reaction feed barrels 2, a discharge outlet 4 is arranged at the lower side of the other end of the reaction feed barrels 2, a stirring device 5 is arranged in the reaction feed barrels 2, one end of the stirring device 5 penetrates through the reaction feed barrels 2 and is provided with a belt wheel 8, the reaction feed barrels 2 which are sequentially connected in series through a soft sleeve 6 from top to bottom, the belt wheel 8 which is sequentially connected in series through a chain 7 from top to bottom, an air inlet 12 is arranged on the reaction feed barrel 2 at the lowest part, and an air outlet 13 is arranged on the reaction feed barrel 2 at the uppermost part.

The multistage reaction charging barrels 2 are vertically arranged and connected in series, so that the residence reaction time is prolonged, and the stirring device 5 is arranged in the reaction charging barrels, so that the materials, the powder and the gas are fully mixed, the contact area is increased, and the product yield is improved. Wherein, the stirring device 5 is covered with a rubber lining, and the inner wall of the reaction charging barrel 2 is provided with a tetrafluoro coating, so that the service life of the equipment is prolonged.

A variable frequency motor 9 is arranged on one side of the bracket 1, and the variable frequency motor 9 is connected with a belt wheel 8 at the lowest part through a main chain 10. The variable frequency motor 9 drives the belt pulley 8 to rotate through the main chain 10, so that the stirring device 5 in the reaction charging barrel 2 runs, and the stirring rotation speed of the stirring device 5 is adjusted through the variable frequency motor 9. The pulleys 8 arranged from top to bottom are connected in series in sequence through the chain 7, so that the stirring devices 5 connected in series operate simultaneously, the stirring devices 5 comprise a stirring shaft 51, stirring blades 52 are arranged on the stirring shaft 51, and end blades 53 are arranged at the ends of the stirring blades 52. The end blades 53 provide a transverse shear force, making the stirring more uniform. Powder is fed through the feed inlet 3 of the uppermost reaction feed cylinder 2, air is fed through the air inlet 12 of the lowermost reaction feed cylinder 2, air and powder react in each stage of reaction feed cylinder, qualified products enter lower-stage equipment through the discharge outlet 4 of the bottommost reaction feed cylinder 2, and waste gas is discharged to a waste gas treatment device through the air outlet 13 of the uppermost reaction feed cylinder 2. And a temperature measuring device 11 is arranged at the discharge hole 4 of the reaction charging barrel 2. The outlet temperature was monitored and the reaction was adjusted in time.

It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims

1. The utility model provides a chlorination reaction device for bleaching powder production, includes support (1), its characterized in that: support (1) from last multistage reaction feed cylinder (2) that down set gradually, reaction feed cylinder (2) one end upside sets up feed inlet (3), reaction feed cylinder (2) other end downside sets up discharge gate (4), set up agitating unit (5) in reaction feed cylinder (2), agitating unit (5) one end runs through reaction feed cylinder (2) and sets up band pulley (8), from last reaction feed cylinder (2) that down set up are established ties in proper order through hose (6), from last band pulley (8) that down set up are established ties in proper order through following chain (7), set up air inlet (12) on reaction feed cylinder (2) of lower extreme, set up gas outlet (13) on reaction feed cylinder (2) of uppermost.

2. The chlorination reaction device for producing bleaching powder according to claim 1, wherein: a variable frequency motor (9) is arranged on one side of the bracket (1), and the variable frequency motor (9) is connected with a belt wheel (8) at the lowest part through a main chain (10).

3. The chlorination reaction device for producing bleaching powder according to claim 2, wherein: the stirring device (5) comprises a stirring shaft (51), stirring blades (52) are arranged on the stirring shaft (51), and end blades (53) are arranged at the ends of the stirring blades (52).

4. A chlorination reaction device for producing bleaching powder according to claim 3, wherein: the stirring device (5) is covered with a rubber lining.

5. The chlorination reaction device for producing bleaching powder according to claim 1, wherein: a temperature measuring device (11) is arranged at the discharge hole (4) of the reaction charging barrel (2).

6. The chlorination reaction device for producing bleaching powder according to claim 1 or 5, wherein: the inner wall of the reaction charging barrel (2) is provided with a tetrafluoro coating.