CN217490867U

CN217490867U - Continuous deacidification device

Info

Publication number: CN217490867U
Application number: CN202221073795.5U
Authority: CN
Inventors: 邬仕平
Original assignee: Ningbo Jason Green Energy Technology Co ltd
Current assignee: Ningbo Jason Green Energy Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-27
Anticipated expiration: 2032-05-05

Abstract

The application discloses continuous deacidification device relates to deacidification equipment technical field, including reation kettle, reation kettle inner wall top fixedly connected with methyl alcohol pipe, grease pipe and sulphuric acid pipe, reation kettle inner wall fixedly connected with heat exchanger, reation kettle outer wall top fixedly connected with motor, motor output end bottom fixedly connected with bull stick. This application passes through the heat exchanger, can retrieve the heat that emits when the reaction of esterifying to the mixed liquid in the reation kettle, the people of being convenient for utilize the heat of retrieving, the utilization ratio to the resource has been improved, parts such as motor cooperation stirring vane, can stir and mix mixed liquid, the speed of mixed liquid esterification reaction has been improved, backup pad cooperation ball can support the bull stick, improve the stability when stirring vane is rotatory, the ball accessible is rotatory to reduce wearing and tearing and resistance between self and the reation kettle, whole convenient and practical, suitable bulk production.

Description

Continuous deacidification device

Technical Field

The application relates to the technical field of deacidification equipment, in particular to a continuous deacidification device.

Background

Deacidification is a chemical term meaning removal by neutralization with the addition of alkali. The crude oil contains more than about 0.5% free fatty acids, up to 10% in rice bran oil. The stability and flavor of the oil are affected, and free fatty acid can be removed by a method of neutralization by adding alkali, which is called deacidification and is also called alkali refining.

A continuous deacidification device for biodiesel pretreatment disclosed by Chinese patent publication number mainly comprises a methanol head tank, an oil head tank, a sulfuric acid head tank, a water head tank, a flowmeter and a reaction kettle, wherein the methanol head tank and the oil head tank are respectively connected with the reaction kettle from the same pipeline through the flowmeter, and the sulfuric acid head tank is directly connected with the reaction kettle through a pipeline through the flowmeter. The water head tank is connected with an outlet pipeline of the reaction kettle through a flowmeter. The beneficial effects of the utility model, can carry out continuous deacidification with the raw materials of preparation biodiesel, and can be with the continuous getting rid of the moisture of deacidification in-process to can satisfy the continuous supply of the raw materials of the transesterification of preparation biodiesel, improve biodiesel's productivity ".

The above-mentioned file can be through the esterification reaction of methyl alcohol, sulphuric acid and grease in the reation kettle really, get rid of the free fatty acid in the grease, but can emit a large amount of heats in the esterification reaction, and current biodiesel preliminary treatment continuous deacidification device can't carry out recycle to these heats, causes the waste of energy, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the heat that discharges in the current deacidification device can't carrying out recycle in the esterification reaction, this application provides a continuous deacidification device.

The application provides a continuous deacidification device adopts following technical scheme:

the utility model provides a continuous deacidification device, includes reation kettle, reation kettle inner wall top fixedly connected with methyl alcohol pipe, grease pipe and sulphuric acid pipe, reation kettle inner wall fixedly connected with heat exchanger, reation kettle outer wall top fixedly connected with motor, motor output end bottom fixedly connected with bull stick, bull stick bottom outer wall self and a plurality of stirring vane that fixedly connected with diameter size reduces gradually down in proper order, stirring vane is located reation kettle inboard bottom, two backup pads of bull stick bottom outer wall fixedly connected with symmetric distribution, the backup pad bottom is rotated and is provided with the ball, ball bottom and reation kettle inner wall bottom cooperation butt.

Optionally, the top end of the rotating rod is rotatably connected to the center of the top of the inner wall of the reaction kettle, and the support plate is located below the stirring blades.

Through adopting above-mentioned technical scheme, reation kettle can connect and spacing to the bull stick, also can stir the interior mixed liquid of reation kettle like stirring vane after the backup pad is rotatory.

Optionally, a sleeve hole is formed in the bottom of the supporting plate, and the top end of the ball is rotatably connected in the sleeve hole.

Through adopting above-mentioned technical scheme, the backup pad can be connected and spacing the ball through the trepanning.

Optionally, a discharge hard tube is fixedly connected to the center of the bottom of the inner wall of the reaction kettle, and an SK static mixer is fixedly connected to the outer wall of the bottom end of the discharge hard tube.

Through adopting above-mentioned technical scheme, reation kettle can be through arranging in the material liquid pipe introduces into SK static mixer with the mixed solution after the esterification reaction.

Optionally, a water injection pipe is fixedly connected to the middle of the inner wall of the discharge hard pipe, and the SK static mixer and the water injection pipe are both located outside the reaction kettle.

By adopting the technical scheme, the water can be injected into the SK static mixer through the discharge hard tube by the water injection tube, the mixed solution deacidified in the SK static mixer can be mixed with water, and the sulfuric acid in the mixed solution is dissolved in the water, thereby achieving the effect of continuous deacidification,

optionally, the inner wall of the top end of the discharge hard tube is fixedly connected with a first electric valve, and the first electric valve is located below the support plate.

By adopting the technical scheme, the first electric valve can control the opening or closing of the discharge hard pipe.

Optionally, the top of the inner wall of the reaction kettle is fixedly connected with an air duct, and the middle part of the inner wall of the air duct is fixedly connected with a second electric valve.

By adopting the technical scheme, the air guide pipe can communicate the reaction kettle with the outside air, and the second electric valve can control the smoothness and the closing in the air guide pipe.

Optionally, the inner wall of the top end of the air duct is fixedly connected with a dust removal filter screen, and the dust removal filter screen is located outside the reaction kettle.

Through adopting above-mentioned technical scheme, the dust removal filter screen can filter the air that gets into in the air duct, blocks foreign matter such as dust.

In summary, the present application includes at least one of the following benefits:

1. through the heat exchanger, can retrieve the heat that emits when carrying out the esterification reaction to the mixed liquid in the reation kettle, the people of being convenient for utilize the heat of retrieving, the utilization ratio to the resource has been improved, parts such as motor cooperation stirring vane, can stir and mix mixed liquid, the speed of mixed liquid esterification reaction has been improved, backup pad cooperation ball can support the bull stick, improve the stability when stirring vane is rotatory, ball accessible is rotatory to reduce wearing and tearing and resistance between self and the reation kettle, whole convenient and practical, suitable bulk production.

2. Through a plurality of stirring vane that diameter size reduces gradually, can stir mixed liquid at different high levels, improve the stirring speed to mixed liquid, the air duct reation kettle of being convenient for communicates with the outside air, when preventing parts such as grease pipe from to reation kettle in the material loading, because the unable discharge of air in the reation kettle leads to the material loading slow, thereby make the air duct can improve reation kettle's material loading and ejection of compact speed, the time of device connection deacidification has been shortened indirectly, the process of deacidification has been accelerated.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of the interior of the overall structure of the present application;

FIG. 3 is an enlarged view of the structure A of FIG. 2 of the present application;

FIG. 4 is an enlarged view of the airway structure of FIG. 2 of the present application.

Description of reference numerals: 1. a reaction kettle; 11. a methanol pipe; 12. a grease tube; 13. a sulfuric acid pipe; 14. a discharge hard tube; 15. an SK static mixer; 16. a water injection pipe; 17. a heat exchanger; 18. a first electrically operated valve; 2. a motor; 21. a rotating rod; 22. a stirring blade; 23. a support plate; 24. trepanning; 25. a ball; 3. an air duct; 31. a second electrically operated valve; 32. a dust removal filter screen.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses continuous deacidification device, refer to fig. 1-2, including reation kettle 1, reation kettle 1 is current reation kettle, its inner structure has all been disclosed, it is unnecessary to describe here, reation kettle 1 inner wall top fixedly connected with methyl alcohol pipe 11, grease pipe 12 and sulphuric acid pipe 13, be convenient for methyl alcohol pipe 11, the methyl alcohol of a proportion is injected into to reation kettle 1 into to grease pipe 12 and sulphuric acid pipe 13, grease and sulphuric acid, reation kettle 1 inner wall fixedly connected with heat exchanger 17, the heat that the esterification reaction was given out can be retrieved to reation kettle 1 in to heat exchanger 17, the heat of retrieving can be used for the reuse way such as preheating of other factory equipment.

Referring to fig. 2-3, a motor 2 is fixedly connected to the top of the outer wall of the reaction kettle 1, the motor 2 can be supported and fixed by the reaction kettle 1, a rotating rod 21 is fixedly connected to the bottom of the output end of the motor 2, the motor 2 can drive the rotating rod 21 to rotate after operation, and the top end of the rotating rod 21 is rotatably connected to the center of the top of the inner wall of the reaction kettle 1, so that the rotating rod 21 can be connected and limited by the reaction kettle 1.

Referring to fig. 2-3, the outer wall of the bottom end of the rotating rod 21 is fixedly connected with a plurality of stirring blades 22 with gradually reduced diameter size, the stirring blades 22 are located at the bottom of the inner side of the reaction kettle 1, the rotating rod 21 can drive the plurality of stirring blades 22 with gradually reduced diameter size after operation, and the mixed liquid in the reaction kettle 1 is stirred and mixed from different heights.

Referring to fig. 3, two support plates 23 that the bottom outer wall fixedly connected with of bull stick 21 symmetrically distributed, bull stick 21 can drive support plate 23 and rotate, and support plate 23 is located stirring vane 22 below, also can stir reation kettle 1 interior mixture like stirring vane 22 after backup plate 23 rotates.

Referring to fig. 3, a trepanning 24 is formed at the bottom of the support plate 23, a round ball 25 is rotatably arranged at the bottom end of the support plate 23, and the top end of the round ball 25 is rotatably connected in the trepanning 24, so that the support plate 23 can connect and limit the round ball 25 through the trepanning 24, and the connection mode of the support plate 23 and the round ball 25 is the same as that of the existing spherical hinge rotating mechanism.

Referring to fig. 2-3, the bottom of the ball 25 is abutted against the bottom of the inner wall of the reaction kettle 1 in a matching manner, so that the bottom end of the rotating rod 21 can be supported by the ball 25 and the supporting plate 23, the stability of the rotating rod 21 and the stirring blade 22 during rotation is improved, the motor 2 is not prone to shaking, and the service lives of the rotating rod 21, the stirring blade 22 and the motor 2 can be prolonged.

Referring to fig. 2-3, a discharging hard tube 14 is fixedly connected to the center of the bottom of the inner wall of the reaction vessel 1, an SK static mixer 15 is fixedly connected to the outer wall of the bottom end of the discharging hard tube 14, and the reaction vessel 1 can introduce the mixed liquid after the esterification reaction into the SK static mixer 15 through the discharging hard tube 14.

Referring to fig. 2, arrange 14 inner walls of material hard tube middle part fixedly connected with water injection pipe 16, the water injection pipe 16 of being convenient for carries out the water injection to arranging in the material hard tube 14, reation kettle 1's cauldron body height is higher than SK static mixer 15, make the water of arranging in the material hard tube 14 also can enter into SK static mixer 15, SK static mixer 15 and water injection pipe 16 all are located reation kettle 1 outside, mixed liquid and water intensive mixing after the deacidification in SK static mixer 15, can dissolve sulfuric acid in the aquatic in the mixed liquid, thereby reach the effect of continuous deacidification.

Referring to fig. 1-3, a first electric valve 18 is fixedly connected to an inner wall of a top end of the discharge hard tube 14, the first electric valve 18 can control the opening or closing of the discharge hard tube 14, and the first electric valve 18 is located below the support plate 23, so that the mixed liquid below the support plate 23 can flow into the discharge hard tube 14 where the first electric valve 18 is located.

Referring to fig. 2 and 4, the top of the inner wall of the reaction kettle 1 is fixedly connected with an air duct 3, the air duct 3 can communicate the reaction kettle 1 with the outside air, the middle part of the inner wall of the air duct 3 is fixedly connected with a second electric valve 31, the second electric valve 31 can control the smoothness and the closure in the air duct 3, and the probability that the odor of the sulfuric acid and other liquid in the reaction kettle 1 is drifted to the outside air through the air duct 3 is reduced as much as possible.

Referring to fig. 2 and 4, 3 top inner walls fixedly connected with dust removal filter screen 32 of air duct, air duct 3 can support and be connected dust removal filter screen 32, dust removal filter screen 32 is located reation kettle 1 outside, dust removal filter screen 32 can filter the air that gets into in the air duct 3, block foreign matter such as dust, prevent that these foreign matters from getting into reation kettle 1 in and polluting mixed liquid, dust removal filter screen 32 can adopt the filtration that the aperture is less than the dust particle diameter, for example the HEPA filter screen.

The implementation principle of a continuous deacidification device of this application embodiment is:

people's accessible methyl alcohol pipe 11 during the use, the methyl alcohol of a certain proportion is injected into in grease pipe 12 and sulphuric acid pipe 13 to reation kettle 1, grease and sulphuric acid, carry out the material loading, then open motor 2, can drive a plurality of stirring vane 22 and backup pad 23 after the motor 2 operation and rotate, can be to methyl alcohol after stirring vane 22 and the backup pad 23 are rotatory, the mixed liquid of grease and sulphuric acid stirs, the mixed liquid after the stirring can carry out esterification reaction, come to get rid of free fatty acid, and produce a large amount of heats, wherein heat exchanger 17 can retrieve the heat of giving off when carrying out esterification reaction to mixed liquid in reation kettle 1, be convenient for people utilize the heat of retrieving.

Control first electric valve 18 after the reaction, make row material hard tube 14 unblocked, the mixed liquor after 1 interior esterification reaction of reation kettle can enter into SK static mixer 15 this moment, thereby accomplish the ejection of compact of mixed liquor in reation kettle 1, after that through the water injection pipe 16 to arranging material hard tube 14 internal water injection, arrange material hard tube 14 internal water and can enter into SK static mixer 15, mixed liquor and water intensive mixing after the deacidification in SK static mixer 15, can dissolve sulfuric acid in the mixed liquor in aqueous, thereby reach the effect of continuous deacidification.

When reation kettle 1 material loading and ejection of compact, people steerable second electric valve 31 keeps unblocked in making the air duct 3, makes reation kettle 1 interior air can communicate with the outside air, prevents to lead to material loading and ejection of compact too slowly because gaseous unable discharge or entering.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A continuous deacidification device comprises a reaction kettle (1), and is characterized in that: reation kettle (1) inner wall top fixedly connected with methyl alcohol pipe (11), grease pipe (12) and sulphuric acid pipe (13), reation kettle (1) inner wall fixedly connected with heat exchanger (17), reation kettle (1) outer wall top fixedly connected with motor (2), motor (2) output bottom fixedly connected with bull stick (21), bull stick (21) bottom outer wall self and a plurality of stirring vane (22) that fixedly connected with diameter size reduces gradually down in proper order, stirring vane (22) are located reation kettle (1) inboard bottom, two backup pad (23) of bull stick (21) bottom outer wall fixedly connected with symmetric distribution, backup pad (23) bottom is rotated and is provided with ball (25), ball (25) bottom and reation kettle (1) inner wall bottom cooperation butt.

2. A continuous deacidification apparatus as defined in claim 1, wherein: the top end of the rotating rod (21) is rotatably connected to the center of the top of the inner wall of the reaction kettle (1), and the support plate (23) is positioned below the stirring blades (22).

3. A continuous deacidification apparatus as defined in claim 1, wherein: trepanning (24) are seted up to backup pad (23) bottom, ball (25) top is rotated and is connected in trepanning (24).

4. A continuous deacidification apparatus as defined in claim 1, wherein: a discharge hard tube (14) is fixedly connected to the center of the bottom of the inner wall of the reaction kettle (1), and an SK static mixer (15) is fixedly connected to the outer wall of the bottom end of the discharge hard tube (14).

5. A continuous deacidification apparatus as defined in claim 4, wherein: the middle part of the inner wall of the discharge hard pipe (14) is fixedly connected with a water injection pipe (16), and the SK static mixer (15) and the water injection pipe (16) are both positioned outside the reaction kettle (1).

6. A continuous deacidification apparatus as defined in claim 5, wherein: the inner wall of the top end of the discharge hard tube (14) is fixedly connected with a first electric valve (18), and the first electric valve (18) is positioned below the supporting plate (23).

7. A continuous deacidification apparatus as defined in claim 1, wherein: the reaction kettle (1) is characterized in that the top of the inner wall of the reaction kettle (1) is fixedly connected with an air duct (3), and the middle part of the inner wall of the air duct (3) is fixedly connected with a second electric valve (31).

8. A continuous deacidification apparatus as defined in claim 7, wherein: air duct (3) top inner wall fixedly connected with dust removal filter screen (32), dust removal filter screen (32) are located reation kettle (1) outside.