CN211677718U

CN211677718U - Polyaluminium sulfate reaction device

Info

Publication number: CN211677718U
Application number: CN201922384817.4U
Authority: CN
Inventors: 欧国华; 唐云峰
Original assignee: Shanghai Gaoqiao Datong Water Purification Material Co ltd
Current assignee: Shanghai Gaoqiao Datong Water Purification Material Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-16
Anticipated expiration: 2029-12-26

Abstract

The utility model belongs to the technical field of aluminum sulfate preparation, in particular to a polyaluminium sulfate reaction device, which provides the following proposal aiming at the problem of lower aluminum oxide concentration in the existing preparation of polyaluminium sulfate finished products, the device comprises a reaction kettle, wherein a double-shaft motor is fixedly arranged on one side of the reaction kettle, one output shaft of the double-shaft motor is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft extends into the reaction kettle and is rotationally connected on the inner wall of the reaction kettle, a plurality of stirring arms are fixedly arranged on the rotating shaft, a plurality of heat conduction baffles are fixedly arranged at the bottom in the reaction kettle, the surface of the reaction kettle is coated with a heat insulation layer, the inside of the reaction kettle is also provided with the heat conduction baffles and the stirring arms, concentrated sulfuric acid can be fully mixed with turbid aluminum hydroxide liquid, so that the reaction can release heat more quickly, meanwhile, the heat is preserved, so that the concentration of the aluminum oxide in the final reaction finished product can reach 16%.

Description

Polyaluminium sulfate reaction device

Technical Field

The utility model relates to a preparation aluminum sulfate technical field especially relates to a polyaluminium sulfate's reaction unit.

Background

The polyaluminium sulfate is called PAS for short, also called basic aluminium sulfate, is one kind of polyaluminium sulfate, and like other inorganic polymer coagulants, the polyaluminium sulfate not only can remove turbidity, decoloration and deodorization, but also has very high removal effect on some heavy metal ions, microorganisms, bacteria, algae and the like, and is a novel high-efficiency water treatment agent.

The existing polyaluminium sulfate reactor is usually prepared by reacting in a pipeline, firstly, aluminum hydroxide and water are prepared into slurry, then the slurry is combined with concentrated sulfuric acid and pumped into a reaction pipeline, the slurry and the concentrated sulfuric acid are directly contacted with the pipeline, so that the highest temperature which can be borne by the reaction pipeline can only reach 120 ℃, aluminum oxide with the concentration of 8% is formed by reaction in an environment with the temperature of 120 ℃, raw water is purified by the aluminum oxide, and the pH value of the purified raw water is relatively low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of lower concentration of aluminum oxide in the existing preparation of polyaluminium sulfate finished products, and providing a polyaluminium sulfate reaction device.

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

the utility model provides a polyaluminium sulfate's reaction unit, includes reation kettle, the fixed biax motor that is provided with in one side of reation kettle, the one end of an output shaft fixedly connected with pivot of biax motor, the other end of pivot extend to in the reation kettle and rotate and connect on reation kettle's inner wall, the fixed a plurality of rabbling arms that are provided with in the pivot, the fixed a plurality of heat conduction baffle that are provided with in bottom in the reation kettle, two adjacent heat conduction baffle positions stagger each other, and the closely knit parcel of reation kettle surface has the insulating layer.

Preferably, the fixed agitator tank that is provided with in reation kettle top, feed inlet and water filling port have been seted up at the top of agitator tank, rotate in the agitator tank and be provided with the stirring fan, the one end of stirring fan fixedly connected with montant, the other end of montant extend to agitator tank below and the fixed first bevel gear that is provided with, the fixed second bevel gear that is provided with on another output shaft of double-shaft motor, first bevel gear and second bevel gear intermeshing.

Preferably, a material conveying port is formed in one side of the inner wall of the stirring tank, one end of a material conveying pipe is fixedly connected to the inner wall of the material conveying port, a water pump is fixedly arranged on the material conveying pipe, the other end of the material conveying pipe is fixedly connected to the inner wall of the reaction kettle in a sealing mode, and a material conveying valve is further rotatably arranged on the material conveying pipe.

Preferably, a concentrated sulfuric acid inlet is formed in the top of the reaction kettle, a concentrated sulfuric acid funnel is fixedly connected to the inner wall of the concentrated sulfuric acid inlet, and an acid discharging valve is arranged on the side face of the concentrated sulfuric acid funnel in a rotating mode.

Preferably, a discharging hole is formed in the bottom of the reaction kettle, a discharging pipe is fixedly connected to the inner wall of the discharging hole, a discharging valve is arranged on the discharging pipe in a rotating mode, and a settling basin is fixedly placed below the discharging pipe.

Compared with the prior art, the utility model has the advantages of:

this scheme has set up heat conduction baffle in reation kettle, can make the temperature of concentrated sulfuric acid and aluminium hydroxide turbid liquid reaction can reach 150 degrees centigrade, and simultaneously under the stirring of rabbling arm, concentrated sulfuric acid can fully react with aluminium hydroxide turbid liquid for the concentration of aluminium oxide improves 16% in the preparation finished product.

The stirring fan is arranged in the stirring tank, so that aluminum hydroxide and water can be fully mixed, and the reaction can be accelerated when the stirring fan is contacted with concentrated sulfuric acid in a reaction kettle.

This scheme has the insulating layer at reation kettle surface parcel, and reation kettle is inside also to be provided with heat conduction baffle and rabbling arm, can fully mix concentrated sulfuric acid and aluminium hydroxide turbid liquid for the reaction gets exothermic sooner, preserves the heat simultaneously, makes the concentration of aluminium oxide in the final reaction finished product can reach 16%.

Drawings

FIG. 1 is a schematic structural diagram of a side view cross section of a reaction apparatus for aluminum polysulfate according to the present invention;

FIG. 2 is a schematic structural view of a three-dimensional section of a reaction apparatus for aluminum polysulfate provided by the present invention;

FIG. 3 is a schematic structural view of part A in FIG. 1 of a reaction apparatus for aluminum polysulfate according to the present invention.

In the figure: the device comprises a reaction kettle 1, a double-shaft motor 2, a rotating shaft 3, a stirring arm 4, a heat conduction baffle 5, a stirring tank 6, a stirring fan 7, a vertical rod 8, a first bevel gear 9, a second bevel gear 10, a material conveying pipe 11, a water pump 12, a material conveying valve 13, a concentrated sulfuric acid funnel 14, an acid discharging valve 15, a material discharging valve 16 and a slurry settling tank 17.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a polyaluminium sulfate's reaction unit, including reation kettle 1, one side of reation kettle 1 is fixed to be provided with double-shaft motor 2, the one end of an output shaft fixedly connected with pivot 3 of double-shaft motor 2, the other end of pivot 3 extends to in reation kettle 1 and rotates and connect on reation kettle 1's inner wall, fixed a plurality of puddlers 4 that are provided with in the pivot 3, the fixed a plurality of heat conduction baffle 5 that are provided with in bottom in

reation kettle

1, 5 positions of two adjacent heat conduction baffles stagger each other, and the closely knit parcel of reation kettle 1 surface has the insulating layer, heat conduction baffle 5 can be quick with the temperature improvement in reation kettle 1, the heat that the insulating layer can keep in reation kettle 1 for a long time does not run off.

In this embodiment, the fixed agitator tank 6 that is provided with in 1 top of reation kettle, feed inlet and water filling port have been seted up at the top of

agitator tank

6, 6 internal rotations of agitator tank are provided with stirring fan 7, the one end of 7 fixedly connected with montant 8 of stirring fan, the other end of montant 8 extends to agitator tank 6 below and fixed first bevel gear 9 that is provided with, the fixed second bevel gear 10 that is provided with on another output shaft of double-shaft motor 2, first bevel gear 9 and second bevel gear 10 intermeshing, can rotate simultaneously stirring arm 4 and stirring fan 7 through double-shaft motor 2, make the structure simple and easy.

In this embodiment, the material conveying opening has been seted up to one side of agitator tank 6 inner wall, and the one end of fixedly connected with conveying pipeline 11 on the inner wall of material conveying opening is fixed on the conveying pipeline 11 and is provided with water pump 12, and the sealed fixed connection of the other end of conveying pipeline 11 is on reation kettle 1's inner wall, still rotates on the conveying pipeline 11 and is provided with conveying valve 13, and water pump 12 can be faster carry reation kettle 1 with aluminium hydroxide turbid liquid.

In this embodiment, concentrated sulfuric acid inlet has been seted up at reation kettle 1's top, fixedly connected with concentrated sulfuric acid funnel 14 on the inner wall of concentrated sulfuric acid inlet, and concentrated sulfuric acid funnel 14's side is rotated and is provided with acid discharge valve 15, and the leakproofness of assurance reation kettle 1 that acid discharge valve 15's setting can be better reduces the heat and loses.

In this embodiment, the drain hole has been seted up to reation kettle 1's bottom, and fixedly connected with blowing pipe on the inner wall of drain hole rotates on the blowing pipe and is provided with baiting valve 16, and fixed placing in blowing pipe below sinks thick liquid pond 17, sinks thick liquid pond 17 and can collect finished product liquid, makes things convenient for the subsequent processing of finished product liquid.

Example two

Referring to fig. 1-3, a polyaluminium sulfate's reaction unit, including reation kettle 1, one side fixed welding of reation kettle 1 has double-shaft motor 2, the fixed welding of an output shaft of double-shaft motor 2 has the one end of pivot 3, the other end of pivot 3 extends to in reation kettle 1 and rotates and connect on reation kettle 1's inner wall, fixed welding has a plurality of puddlers 4 in the pivot 3, the fixed welding of bottom in reation kettle 1 has a plurality of heat conduction baffle 5, two adjacent heat conduction baffle 5 positions stagger each other, and the closely knit parcel of reation kettle 1 surface has the insulating layer, heat conduction baffle 5 can be quick with the temperature improvement in reation kettle 1, the heat that the insulating layer can be kept in reation kettle 1 for a long time does not run off.

agitator tank

6, 6 internal rotations of agitator tank are provided with stirring fan 7, the one end of 7 fixedly connected with montant 8 of stirring fan, the other end of montant 8 extends to agitator tank 6 below and fixed welding has first bevel gear 9, fixed welding has second bevel gear 10 on another output shaft of double-shaft motor 2, first bevel gear 9 and second bevel gear 10 intermeshing, can rotate simultaneously stirring arm 4 and stirring fan 7 through double-shaft motor 2, make the structure simple and easy.

In this embodiment, the material conveying opening has been seted up to one side of agitator tank 6 inner wall, and fixed welding has the one end of conveying pipeline 11 on the inner wall of material conveying opening, and the fixed water pump 12 that is provided with on the conveying pipeline 11, the sealed fixed welding of the other end of conveying pipeline 11 are on reation kettle 1's inner wall, still rotate on the conveying pipeline 11 and are provided with conveying valve 13, and water pump 12 can be faster carry reation kettle 1 with aluminium hydroxide turbid liquid.

In this embodiment, concentrated sulfuric acid inlet has been seted up at reation kettle 1's top, and fixed welding has concentrated sulfuric acid funnel 14 on the inner wall of concentrated sulfuric acid inlet, and concentrated sulfuric acid funnel 14's side is rotated and is provided with acid discharge valve 15, and the leakproofness of assurance reation kettle 1 that acid discharge valve 15's setting can be better reduces the heat and scatters and disappears.

In this embodiment, firstly, the power of the dual-shaft motor 2 is turned on, an output shaft at one side of the dual-shaft motor 2 rotates the second bevel gear 10, the second bevel gear 10 simultaneously engages and rotates the first bevel gear 9, the first bevel gear 9 drives the stirring fan 7 to rotate through the vertical rod 8, at this time, aluminum hydroxide is poured into the stirring tank 6 through the feed inlet, clean water is simultaneously injected into the stirring tank 6, the acid discharging valve 15 is opened, concentrated sulfuric acid is injected into the reaction kettle 1 through the concentrated sulfuric acid funnel, after the completion of the operation, the acid discharging valve 15 is closed, the material conveying valve 13 is simultaneously opened, the power of the water pump 12 is switched on, the aluminum hydroxide turbid liquid is pumped into the reaction kettle 1 to react with the concentrated sulfuric acid, after the pumping is completed, the material conveying valve 13 is closed, at this time, the stirring arm 4 is turned under the driving of the dual-shaft motor 2, make the temperature rise in the reation kettle 1 rapidly through heat conduction baffle 5, the insulating layer of reation kettle 1 surface parcel then can be less the heat loss in reation kettle 1, make the concentration of aluminium oxide in the final finished product can reach 16%, collect the finished product through opening baiting valve 16 after the reaction in depositing thick liquid pond 17, make things convenient for processing on next step.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a polyaluminium sulfate's reaction unit, includes reation kettle (1), a serial communication port, the fixed biax motor (2) that is provided with in one side of reation kettle (1), the one end of an output shaft fixedly connected with pivot (3) of biax motor (2), the other end of pivot (3) extends to in reation kettle (1) and rotates and connect on the inner wall of reation kettle (1), fixed a plurality of rabbling arms (4) that are provided with on pivot (3), fixed a plurality of heat conduction baffle (5) that are provided with in bottom in reation kettle (1), two adjacent heat conduction baffle (5) positions stagger each other, and the closely knit parcel of reation kettle (1) surface has the insulating layer.

2. The reaction device for aluminum polysulfate as defined in claim 1, wherein a stirring tank (6) is fixedly arranged above the reaction kettle (1), a feed inlet and a water injection port are formed in the top of the stirring tank (6), a stirring fan (7) is rotatably arranged in the stirring tank (6), one end of a vertical rod (8) is fixedly connected to the stirring fan (7), the other end of the vertical rod (8) extends to the lower part of the stirring tank (6) and is fixedly provided with a first bevel gear (9), a second bevel gear (10) is fixedly arranged on another output shaft of the double-shaft motor (2), and the first bevel gear (9) and the second bevel gear (10) are mutually engaged.

3. The reaction device for aluminum polysulfate as defined in claim 2, wherein a material conveying port is formed at one side of the inner wall of the stirring tank (6), one end of a material conveying pipe (11) is fixedly connected to the inner wall of the material conveying port, a water pump (12) is fixedly arranged on the material conveying pipe (11), the other end of the material conveying pipe (11) is fixedly connected to the inner wall of the reaction kettle (1) in a sealing manner, and a material conveying valve (13) is rotatably arranged on the material conveying pipe (11).

4. The reaction device for aluminum polysulfate as claimed in claim 1, wherein the top of the reaction kettle (1) is provided with a concentrated sulfuric acid inlet, the inner wall of the concentrated sulfuric acid inlet is fixedly connected with a concentrated sulfuric acid funnel (14), and the side surface of the concentrated sulfuric acid funnel (14) is rotatably provided with an acid discharge valve (15).

5. The reaction device for aluminum polysulfate as defined in claim 1, wherein a discharge port is formed at the bottom of the reaction kettle (1), a discharge pipe is fixedly connected to the inner wall of the discharge port, a discharge valve (16) is rotatably arranged on the discharge pipe, and a slurry settling tank (17) is fixedly arranged below the discharge pipe.