CN214183101U

CN214183101U - Reaction unit is used in polyaluminium chloride production

Info

Publication number: CN214183101U
Application number: CN202023227325.3U
Authority: CN
Inventors: 许志远; 仝素英; 李中和; 郭小七; 李明元; 刘土山
Original assignee: Henan Changlong Technology Co ltd
Current assignee: Henan Changlong Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model belongs to the technical field of polymerized aluminum chloride processing equipment, especially, relate to a reaction unit is used in polymerized aluminum chloride production, including the retort, retort bottom lateral part is equipped with row material pipe, and the bottom is equipped with the toper piece in the retort, be equipped with the puddler in the retort, the puddler upper end is equipped with first stirring vane, the slope of puddler middle part is equipped with second stirring vane, second stirring vane bottom is equipped with the clearance brush, the retort top still is equipped with feed liquor pipe and blast pipe, the blast pipe is kept away from the retort and is held the end and be connected with the condensing box, the condensing box bottom lateral part is equipped with the fluid-discharge tube, the condensing box end is kept away from to the fluid-discharge tube is equipped with the transfer pump, the play liquid end of transfer pump is connected with the retort, the condensing box top has the filter through the pipe connection. The utility model discloses simple structure, convenient operation can be with bauxite and hydrochloric acid misce bene, and handles the acid mist that produces in the reaction sequence, prevents the contaminated air, improves production efficiency.

Description

Reaction unit is used in polyaluminium chloride production

Technical Field

The utility model belongs to the technical field of poly aluminium chloride processing equipment, especially, reaction unit is used in poly aluminium chloride production.

Background

Polyaluminium chloride is an inorganic polymer coagulant, and is an inorganic polymer water treatment agent with large molecular weight and high charge generated by the bridging action of hydroxide ions and the polymerization action of polyvalent anions. The form of the polyaluminium chloride can be divided into solid and liquid, the two solids are divided into brown, yellow and white according to different colors, the polyaluminium chloride with different colors has great difference in application and production technology, the polyaluminium chloride is prepared by reacting bauxite and hydrochloric acid in a certain proportion under stirring, performing aging polymerization and settlement to prepare liquid polyaluminium chloride, and then diluting, filtering, concentrating and drying the liquid polyaluminium chloride. The existing polyaluminium chloride reaction device can not uniformly feed bauxite and can not treat acid mist produced by reaction, and the acid mist causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reaction unit is used in polyaluminium chloride production, simple structure, convenient operation can be with bauxite and hydrochloric acid misce bene, and handles the acid mist that produces in the reaction sequence, prevents air pollution, improves production efficiency.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a reaction device for producing polyaluminium chloride comprises a reaction tank, wherein a discharge pipe is arranged on the side part of the bottom end of the reaction tank, a conical block is arranged at the bottom end in the reaction tank, a stirring rod is arranged in the reaction tank, a first stirring blade is arranged at the upper end of the stirring rod, a second stirring blade is obliquely arranged in the middle of the stirring rod, a cleaning brush is arranged at the bottom of the second stirring blade, the bottom end of the stirring rod extends out of the reaction tank and is connected with a motor in a transmission manner, the stirring rod is rotationally connected with the reaction tank, a plurality of steam pipes are arranged on the inner wall of the reaction tank, a plurality of steam nozzles are arranged on the steam pipes, the bottom ends of the steam pipes extend out of the reaction tank and are connected with a steam generator, a feed box is arranged at the top end of the reaction tank, a feed hopper is arranged at the top end of the feed box, a discharge pipe is arranged at the bottom of the feed box, a discharge switch is arranged on the discharge pipe, and is connected with an air inlet pipe far away from the end of the feed box, the reactor comprises a reaction tank, an air inlet pipe, a reaction tank, a liquid inlet pipe, a liquid outlet pipe, a liquid delivery pump, a liquid outlet end of the liquid delivery pump, and a filter, wherein the air inlet pipe is connected with one end of the air inlet pipe, the other end of the air inlet pipe stretches into the reaction tank and is connected with an air injection cover, the liquid inlet pipe and the gas outlet pipe are further arranged at the top end of the reaction tank, the condensation tank is far away.

Preferably, both sides all are equipped with a plurality of condensing panels in the condensing box, and the acid mist that comes out from the retort is the liquid through the condensing panel condensation, and then is sent into the retort through the transfer pump and is used again, and the gas that produces in the reaction process is discharged after the filter filters.

Preferably, the filter is internally provided with a plurality of layers of activated carbon, so that acid gas generated in the reaction process is adsorbed, and air pollution is prevented.

Preferably, a filter screen is clamped in the feeding hopper, large bauxite blocks are filtered out through the filter screen, and the bauxite blocks are crushed for the second time and then used.

The utility model also comprises other components which can be normally used by the reaction device for producing the polyaluminium chloride, and the components are conventional technical means in the field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.

When the utility model is used, bauxite is filtered by the filter screen, massive bauxite is filtered out, the bauxite is reused after being crushed for the second time, bauxite meeting the use requirement enters the charging box, the air compressor is started, the discharging switch is opened, bauxite is sent into the reaction tank by compressed air and is uniformly dispersed in the reaction tank, hydrochloric acid enters the reaction tank through the liquid inlet pipe, the motor is started, the motor drives the stirring rod, the first stirring blade and the second stirring blade rotate, the feeding is simultaneously stirred, the stirring is more uniform, after the raw materials are added in proportion, the air compressor is closed, the discharging switch and the liquid inlet pipe are closed, vapor is introduced for heating reaction, the stirring is simultaneously carried out, the reaction speed is accelerated, the cleaning brush cleans the bottom of the reaction tank in the stirring process, the materials are prevented from caking at the bottom of the reaction tank, acid mist generated in the reaction process enters the condensation tank, the liquid condensed by the condensing plate is sent back to the reaction tank by the infusion pump to be reused, and the gas is filtered by the filter and then is discharged into the air.

The beneficial effects of the utility model are that, simple structure, convenient operation can be with bauxite and hydrochloric acid misce bene, and handles the acid mist that produces in the reaction sequence, prevents air pollution, improves production efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in figure 1, a reaction device for producing polyaluminium chloride comprises a reaction tank 1, wherein a discharge pipe is arranged on the side part of the bottom end of the reaction tank 1, a conical block is arranged at the bottom end of the reaction tank 1, a stirring rod 16 is arranged in the reaction tank 1, a first stirring blade 4 is arranged at the upper end of the stirring rod 16, a second stirring blade 3 is obliquely arranged in the middle of the stirring rod 16, a cleaning brush 14 is arranged at the bottom of the second stirring blade 3, the bottom end of the stirring rod 16 extends out of the reaction tank 1 and is connected with a motor 17 in a transmission manner, the stirring rod 16 is rotatably connected with the reaction tank 1, a plurality of steam pipes 2 are arranged on the inner wall of the reaction tank 1, a plurality of steam nozzles are arranged on the steam pipes 2, the bottom ends of the steam pipes 2 extend out of the reaction tank 1 and are connected with a steam generator 15, a feeding box 11 is arranged at the top end of the reaction tank 1, a hopper 12 is arranged at the top end of the feeding box 11, a discharge pipe is arranged at the bottom of the feeding box 11, be equipped with ejection of compact switch on the discharging pipe, ejection of compact switch keeps away from 11 ends of charging box and is connected with the intake pipe, intake pipe one end is connected with air compressor 13, and the other end stretches into retort 1 to there is jet hood 10, 1 top of retort still is equipped with feed liquor pipe 9 and blast pipe, 1 end of retort is kept away from to the blast pipe is connected with

condensing tank

6, 6 bottom lateral part of condensing tank are equipped with the fluid-discharge tube, the fluid-discharge tube is kept away from condensing tank 6 and is held and be equipped with transfer pump 5, the play liquid end of transfer pump 5 is connected with retort 1, 6 tops of condensing tank have filter 8 through the pipe connection.

A plurality of condensation plates 7 are arranged on two sides in the condensation box 6, acid mist coming out of the reaction tank 1 is condensed into liquid through the condensation plates 7 and then is sent into the reaction tank 1 through the infusion pump 5 to be reused, and gas generated in the reaction process is filtered through the filter 8 and then is discharged.

And a plurality of layers of activated carbon are arranged in the filter 8, so that acidic gas generated in the reaction process is adsorbed, and air pollution is prevented.

A filter screen is clamped in the charging hopper 12, and large bauxite blocks are filtered out through the filter screen and are used after secondary crushing.

When the utility model is used, bauxite is filtered by a filter screen, large bauxite is filtered out, the bauxite is reused after being crushed for the second time, bauxite meeting the use requirement enters a charging box 11, an air compressor 13 is started, a discharging switch is opened, bauxite is sent into a reaction tank 1 by compressed air and is uniformly dispersed in the reaction tank 1, hydrochloric acid enters the reaction tank 1 through a liquid inlet pipe 9, a motor 17 is started, the motor 17 drives a stirring rod 16, a first stirring blade 4 and a second stirring blade 3 to rotate, stirring is carried out while feeding, so that the stirring is more uniform, after raw materials are added according to a proportion, the air compressor 13, the discharging switch and the liquid inlet pipe 9 are closed, steam is introduced for heating reaction, the stirring is carried out simultaneously, the reaction speed is accelerated, a cleaning brush 14 cleans the bottom of the reaction tank 1 in the stirring process, the caking of the materials at the bottom of the reaction tank 1 is prevented, acid mist generated in the reaction process enters a condensation box 6, liquid condensed by a condensation plate 7 is sent back to the reaction tank 1 through a liquid conveying pump 5 to be reused, and gas is filtered by a filter 8 and then is discharged into the air.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a reaction unit is used in polyaluminium chloride production, includes retort (1), its characterized in that: the device is characterized in that a discharge pipe is arranged on the side of the bottom end of the reaction tank (1), a conical block is arranged at the bottom end of the reaction tank (1), a stirring rod (16) is arranged in the reaction tank (1), a first stirring blade (4) is arranged at the upper end of the stirring rod (16), a second stirring blade (3) is obliquely arranged in the middle of the stirring rod (16), a cleaning brush (14) is arranged at the bottom of the second stirring blade (3), the bottom end of the stirring rod (16) extends out of the reaction tank (1) and is connected with a motor (17) in a transmission manner, the stirring rod (16) is rotatably connected with the reaction tank (1), a plurality of steam pipes (2) are arranged on the inner wall of the reaction tank (1), a plurality of steam nozzles are arranged on the steam pipes (2), the bottom end of each steam pipe (2) extends out of the reaction tank (1) and is connected with a steam generator (15), a feeding box (11) is arranged at the top end of the reaction tank (1), the utility model discloses a reactor, including charging box (11), intake pipe (11), blast furnace, condenser box (6), blow-off cover (10), charging box (11), air compressor (13), air compressor (6), condenser box (6) bottom lateral part are equipped with the fluid-discharge tube, be equipped with ejection of compact switch on the discharging tube, ejection of compact switch keeps away from charging box (11) end and is connected with the intake pipe, intake pipe one end is connected with air compressor (13), and the other end stretches into retort (1) to be connected with jet-propelled cover (10), retort (1) top still is equipped with feed liquor pipe (9) and blast pipe, the blast pipe is kept away from retort (1) end and is connected with condenser box (6), condenser box (6) bottom lateral part is equipped with the fluid-discharge tube, the fluid-discharge tube is kept away from condenser box (6) end and is equipped with transfer pump (5), the play liquid end of transfer pump (5) is connected with retort (1), there is filter (8) on condenser box (6) top through the pipe connection.

2. The reaction device for aluminum chloride production according to claim 1, characterized in that: and a plurality of condensation plates (7) are arranged on two sides in the condensation box (6).

3. The reaction device for aluminum chloride production according to claim 1, characterized in that: and a plurality of layers of activated carbon are arranged in the filter (8).

4. The reaction device for aluminum chloride production according to claim 1, characterized in that: a filter screen is clamped in the charging hopper (12).