Reaction kettle for magnesium sulfate heptahydrate

By designing a reactor for magnesium sulfate heptahydrate with automatic pressure relief and uniform heating mechanism, the problem that the existing reactor cannot automatically relieve pressure is solved, and the safety and reaction efficiency of the kettle body are improved.

CN222829651UActive Publication Date: 2025-05-06ZIBO CHUANBEI CHEM CO LTD
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Patent Information

Application Number
CN202520561017.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-05-06
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

The existing reactor for magnesium sulfate heptahydrate cannot automatically relieve pressure, resulting in excessive internal pressure, which may cause cracks in the kettle body or metal fatigue.

Method used

A reactor for magnesium sulfate heptahydrate including a thermal conduction ring, a heater, a stirring sheet and an automatic pressure relief mechanism was designed. The thermal conduction ring adopts a spherical mesh structure to disperse heat evenly; the heater heats the thermal conduction ring to promote reaction efficiency; the stirring sheet prevents precipitation and promotes mixing; the sealing plug and spring combine to achieve the automatic opening of the air outlet pipe for steam lifting, achieving automatic pressure relief effect.

Benefits of technology

Automatic pressure relief in the reactor is achieved, and damage to the kettle body caused by excessive internal pressure is avoided. At the same time, the reaction efficiency is improved through uniform heating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of reaction kettles, and discloses a reaction kettle for magnesium sulfate heptahydrate, which comprises a reaction kettle body, a plurality of supports are arranged at the bottom of the reaction kettle body in an annular array mode, the bottom of the reaction kettle body is communicated with a water outlet pipe, and a water valve is installed on the water outlet pipe. A top cover is attached to a top opening of the reaction kettle body in a sealed mode, the bottom of the top cover is communicated with two air outlet pipes, circular rings are fixedly connected to the inner walls of the air outlet pipes, sealing plugs are inserted into the circular rings in a sealed mode, and the outer walls of the sealing plugs are fixedly sleeved with connecting rings. The reaction kettle is simple to use, steam can jack up the two sealing plugs to open the air outlet pipe for automatic pressure relief when the air pressure in the reaction kettle body is too high, magnesium sulfate heptahydrate which is reacted in the water outlet pipe can be discharged when the water valve is opened, and the heat conduction ring adopts an annular net-shaped design; therefore, the whole reaction kettle body can be uniformly heated, the reaction efficiency is improved, and precipitation can be prevented and mixing can be promoted when the stirring blades are rotated.
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Description

Technical Field

[0001] The utility model relates to the field of reaction kettles, in particular to a reaction kettle for magnesium sulfate heptahydrate. Background Art

[0002] Magnesium sulfate heptahydrate is an inorganic compound with the chemical formula MgSO 4 7H 2 O, its molecular weight is 246.47g / mol, usually white crystals or white powder, odorless, salty and bitter taste, deliquescent, easily soluble in water, slightly soluble in ethanol and glycerol, insoluble in acetone, magnesium sulfate can react with alkali to form magnesium hydroxide precipitate, and can also be thermally decomposed to form sulfur trioxide or sulfur dioxide gas. Magnesium sulfate is often prepared by recrystallization, meteorological method, and hot melt leaching method in industry.

[0003] The magnesium sulfate heptahydrate reactor in the prior art cannot automatically release pressure. If the staff neglects to observe the situation inside the reactor, the internal pressure will be too high, which will cause cracks or metal fatigue in the reactor. Therefore, those skilled in the art provide a magnesium sulfate heptahydrate reactor to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a reaction kettle for magnesium sulfate heptahydrate to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reactor for magnesium sulfate heptahydrate, comprising a reactor body, a plurality of brackets are arranged in an annular array at the bottom of the reactor body, a water outlet pipe is connected to the bottom of the reactor body, a water valve is installed on the water outlet pipe, a top cover is sealed and fitted to the top opening of the reactor body, two air outlet pipes are connected to the bottom of the top cover, a circular ring is fixedly connected to the inner wall of the air outlet pipe, a sealing plug is sealed and inserted in the circular ring, a connecting ring is fixedly sleeved on the outer wall of the sealing plug, a spring is sleeved on the outer wall of the sealing plug, the top end of the spring is fixedly connected to the bottom of the connecting ring, and the bottom end of the spring is fixedly connected to the top of the circular ring.

[0006] As a further solution of the utility model: a rotating rod is rotatably connected to the top of the reactor body, and two stirring blades are symmetrically fixedly connected to the outer wall of the rotating rod, and the two stirring blades are located in the reactor body, and a handle is fixedly connected to the top of the rotating rod.

[0007] As a further solution of the utility model: two liquid inlet pipes are symmetrically connected to each other at the top of the top cover, and a sealing cover is sealed on the top of the liquid inlet pipe.

[0008] As a further solution of the utility model: two heaters are symmetrically fixedly connected to the bottom of the reactor body, and the opposite sides of the two heaters are fixedly connected to the same heat-conducting ring.

[0009] As a further solution of the utility model: the reactor body is made of Hastelloy and is spherical.

[0010] As a further solution of the utility model: the heat-conducting ring is a spherical mesh structure, and the heat-conducting ring wraps the reactor body.

[0011] As a further solution of the utility model: a sealing tube is fixedly connected to the bottom of the top cover, and the sealing tube is sealed and fitted with the inner wall of the opening of the reactor body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Starting the two heaters can heat the heat-conducting ring. The heat-conducting ring adopts a spherical mesh design. At this time, the heat can be evenly distributed on the reactor body. At this time, the reactor body can evenly heat the solid magnesium oxide and the olefinic acid aqueous solution to improve the reaction efficiency. Since the reactor body is always heated and it is a closed space, a large amount of gas will be generated and the air pressure will rise. At this time, the steam generated in the reactor body will lift the two sealing plugs to open the opening of the outlet pipe to release the gas, thereby reducing the air pressure in the reactor body to achieve the effect of automatic pressure relief.

[0014] The utility model is simple to use. When the air pressure in the reactor body is too high, steam will lift up two sealing plugs to open the air outlet pipe for automatic pressure relief. When the water valve is opened, the magnesium sulfate heptahydrate in the water outlet pipe that has completed the reaction can be released. The heat conduction ring adopts an annular mesh design, which can evenly heat the entire reactor body to increase the reaction efficiency. When the stirring blade is rotated, precipitation can be prevented and mixing can be promoted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the heater in the utility model;

[0017] Figure 3 It is a three-dimensional explosion schematic diagram of the utility model;

[0018] Figure 4 It is a partial sectional three-dimensional schematic diagram of the top cover in the utility model;

[0019] Figure 5 It is a three-dimensional schematic diagram of the sealing plug in the utility model.

[0020] In the figure: 1. Reactor body; 2. Heat-conducting ring; 3. Top cover; 4. Sealing plug; 5. Handle; 6. Sealing cover; 7. Liquid inlet pipe; 8. Air outlet pipe; 9. Heater; 10. Water valve; 11. Water outlet pipe; 12. Bracket; 13. Rotating rod; 14. Stirring blade; 15. Connecting ring; 16. Spring; 17. Ring; 18. Sealing tube. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 5 In the embodiment of the utility model, a magnesium sulfate heptahydrate reactor comprises a reactor body 1, a plurality of brackets 12 are arranged in an annular array at the bottom of the reactor body 1, a water outlet pipe 11 is connected to the bottom of the reactor body 1, a water valve 10 is installed on the water outlet pipe 11, a top cover 3 is sealed and fitted to the top opening of the reactor body 1, two air outlet pipes 8 are connected to the bottom of the top cover 3, a circular ring 17 is fixedly connected to the inner wall of the air outlet pipe 8, a sealing plug 4 is sealed and inserted in the circular ring 17, and a connecting ring 1 is fixedly sleeved on the outer wall of the sealing plug 4 5. A spring 16 is sleeved on the outer wall of the sealing plug 4. The top of the spring 16 is fixedly connected to the bottom of the connecting ring 15, and the bottom of the spring 16 is fixedly connected to the top of the circular ring 17. The steam generated in the reactor body 1 will lift the two sealing plugs 4 to open the opening of the gas outlet pipe 8 to release the gas, thereby reducing the air pressure in the reactor body 1 to achieve the effect of automatic pressure relief. The sealing plug 4 will be pulled downward by the tension of the spring 16 when it is not stressed, so that the sealing plug 4 is pulled downward to seal the sealing plug 4.

[0023] In this embodiment, a rotating rod 13 is rotatably connected to the top of the reactor body 1, and two stirring blades 14 are symmetrically fixedly connected to the outer wall of the rotating rod 13. The two stirring blades 14 are located inside the reactor body 1, and a handle 5 is fixedly connected to the top of the rotating rod 13.

[0024] In this embodiment, two liquid inlet pipes 7 are symmetrically connected to each other at the top of the top cover 3 , and a sealing cover 6 is sealed to the top of the liquid inlet pipe 7 .

[0025] In this embodiment, two heaters 9 are symmetrically fixedly connected to the bottom of the reactor body 1 , and the opposite sides of the two heaters 9 are fixedly connected to the same heat-conducting ring 2 .

[0026] In this embodiment, the reactor body 1 is made of Hastelloy and is spherical.

[0027] In this embodiment, the heat-conducting ring 2 is a spherical mesh structure, and the heat-conducting ring 2 wraps the reactor body 1, and the two heaters 9 are started to heat the heat-conducting ring 2. The heat-conducting ring 2 adopts a spherical mesh design. At this time, the heat can be evenly distributed on the reactor body 1. At this time, the reactor body 1 can evenly heat the solid magnesium oxide and the olefinic acid aqueous solution, thereby improving the reaction efficiency.

[0028] In this embodiment, a sealing tube 18 is fixedly connected to the bottom of the top cover 3 , and the sealing tube 18 is sealed and fitted with the inner wall of the opening of the reactor body 1 .

[0029] The working principle of the utility model is as follows: after lifting the top cover 3, the opening of the reactor body 1 can be opened to observe the internal situation; when the top cover 3 is sealed on the reactor body 1, the sealing cover 6 can be lifted, and the liquid inlet pipe 7 at this time will be opened, and then solid magnesium oxide and olefinic acid aqueous solution can be poured into the two liquid inlet pipes 7 respectively, and the solid magnesium oxide and olefinic acid aqueous solution at this time will both enter the reactor body 1, and then the two heaters 9 are started to heat the heat-conducting ring 2, and the heat-conducting ring 2 adopts a spherical net design, and the heat can be evenly distributed on the reactor body 1 at this time, and the reactor body 1 at this time can evenly heat the solid magnesium oxide and olefinic acid aqueous solution, thereby improving the reaction efficiency, and during heating When hot, the handle 5 can be turned to drive the rotating rod 13 to rotate. After the rotating rod 13 rotates, it can drive multiple stirring plates 14 to rotate and stir the solid magnesium oxide and the olefinic acid aqueous solution to prevent precipitation and promote the mixing reaction. Since the reactor body 1 is always heated and is a closed space, a large amount of gas will be generated and the air pressure will rise. At this time, the steam generated in the reactor body 1 will lift the two sealing plugs 4 to rise and open the opening of the air outlet pipe 8 to release the gas, thereby reducing the air pressure in the reactor body 1 to achieve the effect of automatic pressure relief. The sealing plug 4 will be pulled downward by the tension of the spring 16 when it is not stressed, so that the sealing plug 4 is pulled downward to seal the sealing plug 4.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reaction kettle for magnesium sulfate heptahydrate, comprising a reaction kettle body (1), characterized in that: A plurality of brackets (12) are arranged in an annular array at the bottom of the reactor body (1); a water outlet pipe (11) is connected to the bottom of the reactor body (1); a water valve (10) is installed on the water outlet pipe (11); a top cover (3) is sealed and fitted to the top opening of the reactor body (1); two air outlet pipes (8) are connected to the bottom of the top cover (3); a circular ring (17) is fixedly connected to the inner wall of the air outlet pipe (8); a sealing plug (4) is sealed and inserted in the circular ring (17); a connecting ring (15) is fixedly sleeved on the outer wall of the sealing plug (4); a spring (16) is sleeved on the outer wall of the sealing plug (4); the top end of the spring (16) is fixedly connected to the bottom of the connecting ring (15); and the bottom end of the spring (16) is fixedly connected to the top of the circular ring (17).

2. A magnesium sulfate heptahydrate reaction kettle according to claim 1, characterized in that: A rotating rod (13) is rotatably connected to the top of the reactor body (1), two stirring blades (14) are symmetrically fixedly connected to the outer wall of the rotating rod (13), and the two stirring blades (14) are located inside the reactor body (1), and a handle (5) is fixedly connected to the top of the rotating rod (13).

3. A magnesium sulfate heptahydrate reaction kettle according to claim 1, characterized in that: Two liquid inlet pipes (7) are symmetrically connected to each other at the top of the top cover (3), and a sealing cover (6) is sealed to the top of the liquid inlet pipe (7).

4. A magnesium sulfate heptahydrate reaction kettle according to claim 1, characterized in that: Two heaters (9) are symmetrically and fixedly connected to the bottom of the reactor body (1), and the two heaters (9) are fixedly connected to the same heat-conducting ring (2) on opposite sides thereof.

5. A reaction kettle for magnesium sulfate heptahydrate according to claim 1, characterized in that: The reactor body (1) is made of Hastelloy alloy and is spherical.

6. A reaction kettle for magnesium sulfate heptahydrate according to claim 4, characterized in that: The heat-conducting ring (2) is a spherical mesh structure, and the heat-conducting ring (2) wraps the reactor body (1) therein.

7. A reaction kettle for magnesium sulfate heptahydrate according to claim 1, characterized in that: A sealing tube (18) is fixedly connected to the bottom of the top cover (3), and the sealing tube (18) is in sealing contact with the inner wall of the opening of the reactor body (1).