An adsorption oxidation device for industrial magnesium sulfate production

Abstract

The utility model discloses an adsorption oxidation device for industrial magnesium sulfate production, comprising a reaction tank with an inner cavity arranged therein, the inner cavity of the tank body being divided into an upper cavity and a lower cavity; a spray mechanism being arranged above a partition plate, the spray mechanism being connected to a liquid storage tank; a smoke inlet being arranged on the left wall of the reaction tank, a liquid outlet pipe being arranged on the right wall, the other end of the liquid outlet pipe being connected to the side wall of the reaction tank below the partition plate; the liquid outlet pipe being connected to a liquid outlet nozzle, a nozzle being arranged on the liquid outlet nozzle; an oxidation mechanism being arranged at the lower part of the lower inner cavity, the oxidation mechanism being connected to an air source; a stirring mechanism being arranged below the liquid outlet nozzle, the controlled end of the stirring mechanism being connected to a PLC controller; a discharge pipe being arranged at the middle part of the lower cavity, the controlled ends of the spray mechanism, the oxidation mechanism and the valve being connected to the PLC controller. The utility model has the advantages of simple structure, convenient use and high preparation efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of magnesium sulfate production, and more specifically to a device for industrial magnesium sulfate production. Background Art

[0002] Magnesium sulfate is a magnesium-containing compound with the molecular formula MgSO4. It is a commonly used chemical reagent and drying reagent. It is a colorless or white crystal or powder, odorless, bitter, and deliquescent. It is clinically used for catharsis, choleretics, anticonvulsants, eclampsia, tetanus, hypertension, etc. It can also be used for leather making, explosives, papermaking, porcelain, fertilizers, etc.

[0003] The production of magnesium sulfate from coke oven flue gas can realize the coal gas desulfurization process, but in the existing production equipment, adsorption and oxidation are located in different equipment, resulting in a large footprint of production equipment and high investment costs.

[0004] Therefore, there is an urgent need for an adsorption oxidation device for industrial magnesium sulfate production. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an adsorption oxidation device for industrial magnesium sulfate production to solve the problems in the background technology.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0007] An adsorption oxidation device for industrial magnesium sulfate production comprises a reaction tank with an inner cavity arranged therein, a partition plate is arranged in the middle of the reaction tank to divide the inner cavity of the tank into an upper cavity and a lower cavity; a spray mechanism is arranged above the partition plate, and the spray mechanism is connected to a liquid storage tank; a smoke inlet is arranged on the left wall of the reaction tank above the partition plate, and a liquid outlet pipe is arranged on the right wall, and the other end of the liquid outlet pipe is connected to the side wall of the reaction tank below the partition plate; the liquid outlet pipe is connected to a liquid outlet nozzle located at the top of the lower inner cavity, and a plurality of nozzles spraying downward are evenly arranged on the liquid outlet nozzle; an oxidation mechanism is arranged at the lower part of the lower inner cavity, and the oxidation mechanism is connected to an air source; a stirring mechanism is arranged below the liquid outlet nozzle, and the controlled end of the stirring mechanism is connected to a PLC controller; a discharge pipe is connected to the middle of the lower cavity, and a valve is arranged on the discharge pipe; the controlled ends of the spray mechanism, the oxidation mechanism and the valve are all connected to the PLC controller.

[0008] To further optimize the technical solution, the spray mechanism includes a number of spray pipes evenly arranged in the cavity, and a number of spray nozzles are evenly arranged on the spray pipes; the spray pipes are connected to the liquid supply pipe, and the other end of the liquid supply pipe is connected to the liquid storage tank; the liquid supply pipe is provided with a liquid inlet pump and a liquid inlet valve, and the controlled ends of the liquid inlet pump and the liquid inlet valve are connected to the PLC controller.

[0009] To further optimize the technical solution, a desulfurization circulation pipe is connected between the liquid outlet pipe and the liquid supply pipe, and a circulation pump and a valve connected to a PLC controller are arranged on the desulfurization circulation pipe.

[0010] To further optimize the technical solution, the liquid outlet pipe is connected to the jet circulation pipe, and the other end of the jet circulation pipe is connected to the bottom of the lower cavity; a control valve and a lifting pump are provided on the jet circulation pipe, and the controlled ends of the control valve and the lifting pump are connected to a PLC controller.

[0011] To further optimize the technical solution, the stirring mechanism includes a stirring motor arranged at the bottom of the reaction tank, and the controlled end of the stirring motor is connected to the PLC controller; the rotating shaft of the stirring motor is connected to a rotating rod vertically arranged in the lower inner cavity, and a plurality of horizontally arranged stirring rods are arranged on the rotating rod.

[0012] To further optimize the technical solution, the oxidation mechanism includes an air pipe connected to the side wall below the lower cavity, an air valve and an air pump are arranged on the air pipe, and the controlled ends of the air valve and the air pump are connected to a PLC controller; the air pipe is connected to an injection pipe horizontally arranged in the lower cavity, and a plurality of upward injection nozzles are evenly arranged on the injection pipe.

[0013] To further optimize the technical solution, four legs are evenly arranged on the bottom of the reaction tank.

[0014] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0015] The utility model provides an adsorption oxidation device for industrial magnesium sulfate production, which allows the desulfurizer to adsorb sulfur dioxide through a spray mechanism, and can fully adsorb through a desulfurization circulation pipe; MgSO3 is oxidized to MgSO4 by setting an oxidation mechanism; the oxidation process can be enhanced through a jet circulation pipeline; and the oxidation process is accelerated by setting a stirring mechanism. The utility model has the advantages of simple structure, convenient use, and high preparation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Wherein: 1. reaction tank, 2. spray mechanism, 21. spray pipe, 22. spray nozzle, 3. flue gas inlet, 4. liquid outlet pipe, 5. desulfurization circulation pipe, 6. circulation pump, 7. liquid inlet pump, 8. liquid supply pipe, 9. liquid storage tank, 10. oxidation mechanism, 101. air pipe, 102. air valve, 103. air pump, 104. jet pipe, 105. jet nozzle, 11. jet circulation pipe, 1101. control valve, 1102. lifting pump, 12. stirring mechanism, 121. stirring motor, 122. rotating rod, 123. stirring rod, 13. discharge pipe, 14. support leg, 15. partition plate, 16. liquid outlet nozzle. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] An adsorption oxidation device for industrial magnesium sulfate production, combined with Figure 1 As shown, it includes a reaction tank 1, a spray mechanism 2, a flue gas inlet 3, a liquid outlet pipe 4, a desulfurization circulation pipe 5, a circulation pump 6, a liquid inlet pump 7, a liquid supply pipe 8, a liquid storage tank 9, an oxidation mechanism 10, an air jet circulation pipe 11, a control valve 1101, a lifting pump 1102, a stirring mechanism 12, a discharge pipe 13, a leg 14, a partition plate 15, and a liquid outlet nozzle 16. The spray mechanism 2 includes a spray pipe 21 and a spray nozzle 22; the oxidation mechanism 10 includes an air pipe 101, an air valve 102, an air pump 103, an air jet pipe 104, and an air jet nozzle 105; and the stirring structure includes a stirring motor 121, a rotating rod 122, and a stirring rod 123.

[0020] An inner cavity is arranged inside the reaction tank 1 , and a partition plate 15 is arranged in the middle of the reaction tank 1 to divide the inner cavity of the tank into an upper cavity and a lower cavity.

[0021] Four legs are evenly arranged at the bottom of the reaction tank.

[0022] A spray mechanism 2 is arranged above the partition plate 15, and the spray mechanism 2 is connected to the liquid storage tank 9, and is used to evenly spray the desulfurizer in the liquid storage tank into the upper cavity. The spray mechanism 2 includes a plurality of spray pipes 21 evenly arranged in the upper cavity, and two spray pipes 21 are arranged horizontally, one is located at the top of the upper cavity, and the other is located in the middle of the upper cavity; a plurality of spray nozzles 22 are evenly arranged on the spray pipe 21. The spray pipe 21 is connected to the liquid supply pipe 8, and the other end of the liquid supply pipe 8 is connected to the liquid storage tank 9. The liquid supply pipe 8 is provided with a liquid inlet pump 7 and a liquid inlet valve, and the controlled ends of the liquid inlet pump 7 and the liquid inlet valve are connected to the PLC controller.

[0023] A flue gas inlet 3 is provided on the left wall of the reaction tank 1 above the partition plate 15, for introducing flue gas containing sulfur dioxide into the upper cavity. A liquid outlet pipe 4 is provided on the right wall, and the other end of the liquid outlet pipe 4 is connected to the side wall of the reaction tank 1 below the partition plate 15 to transfer the MgSO3 solution to the lower cavity.

[0024] The liquid outlet pipe 4 is connected to the liquid outlet nozzle 16 located at the top of the lower inner cavity. A plurality of downward spray nozzles are evenly arranged on the liquid outlet nozzle 16 to evenly spray the MgSO3 solution into the lower cavity filled with air.

[0025] A desulfurization circulation pipe 5 is connected between the liquid outlet pipe 4 and the liquid supply pipe 8, which allows the desulfurizer to adsorb sulfur dioxide multiple times. A circulation pump 6 and a valve connected to a PLC controller are arranged on the desulfurization circulation pipe 5.

[0026] An oxidation mechanism 10 is arranged at the lower part of the lower inner cavity, and the oxidation mechanism 10 is connected to an air source. The oxidation mechanism 10 comprises an air pipe 101 connected to the side wall below the lower cavity, an air valve 102 and an air pump 103 are arranged on the air pipe 101, and the controlled ends of the air valve 102 and the air pump 103 are connected to a PLC controller; the air pipe 101 is connected to an air jet pipe 104 arranged horizontally in the lower cavity, and a plurality of upward air jet nozzles 105 are evenly arranged on the air jet pipe 104.

[0027] A stirring mechanism 12 is arranged below the liquid outlet nozzle 16, and a controlled end of the stirring mechanism 12 is connected to a PLC controller; the stirring mechanism 12 comprises a stirring motor 121 arranged at the bottom of the reaction tank 1, and a controlled end of the stirring motor 121 is connected to the PLC controller. The rotating shaft of the stirring motor 121 is connected to a rotating rod 122 vertically arranged in the lower inner cavity, and a plurality of horizontally arranged stirring rods 123 are arranged on the rotating rod 122.

[0028] The liquid outlet pipe 4 is connected to the jet circulation pipe 11, and the other end of the jet circulation pipe 11 is connected to the bottom of the lower cavity; the jet circulation pipe 11 is provided with a control valve 1101 and a lifting pump 1102, and the controlled ends of the control valve 1101 and the lifting pump 1102 are connected to the PLC controller.

[0029] The middle part of the lower cavity is connected with a discharge pipe 13, a valve is arranged on the discharge pipe 13, and the other end of the discharge pipe 13 is connected with other equipment.

[0030] At least one valve is provided on the above pipelines, and the controlled ends of the valves are connected to the PLC controller.

[0031] When the utility model is actually used, flue gas containing sulfur dioxide enters the upper cavity of the reaction tank through the flue gas inlet, and the PLC controller controls the spray mechanism to spray the desulfurizer in the liquid storage tank into the upper cavity to adsorb sulfur dioxide and generate MgSO3; if the desulfurizer adsorbs less, the PLC controller controls the desulfurization circulation pipe to punch, and the solution is re-injected into the liquid supply pipe, and enters the upper cavity through the spray pipe again to adsorb sulfur dioxide; the solution containing MgSO3 enters the lower cavity through the liquid outlet pipe, contacts with the air sprayed by the oxidation mechanism, and oxidizes the MgSO3 in the solution into MgSO4; if the oxidation is not complete, the PLC controller controls the control valve and the lifting pump on the jet circulation pipe to open, and the liquid is sprayed out through the liquid outlet nozzle again, and oxidation is carried out again. After the oxidation is completed, the liquid is discharged through the discharge pipe and transferred to other subsequent equipment.

Claims

1. An adsorption oxidation device for industrial magnesium sulfate production, characterized in that: The invention comprises a reaction tank (1) having an inner cavity arranged therein, wherein a partition plate (15) is arranged in the middle of the reaction tank (1) for dividing the inner cavity of the tank into an upper cavity and a lower cavity; a spray mechanism (2) is arranged above the partition plate (15), and the spray mechanism (2) is connected to a liquid storage tank (9); a smoke inlet (3) is arranged on the left wall of the reaction tank (1) above the partition plate (15), and a liquid outlet pipe (4) is arranged on the right wall, and the other end of the liquid outlet pipe (4) is communicated with the side wall of the reaction tank (1) below the partition plate (15); the liquid outlet pipe (4) is connected to the liquid outlet pipe (4) located at the lower portion of the reaction tank (1) and the liquid outlet pipe (4) is connected to the liquid outlet pipe (4) located at the lower portion of the reaction tank (1). A liquid outlet nozzle (16) is provided at the top of the inner cavity, and a plurality of nozzles for spraying downwards are evenly arranged on the liquid outlet nozzle (16); an oxidation mechanism (10) is provided at the lower part of the lower inner cavity, and the oxidation mechanism (10) is connected to an air source; a stirring mechanism (12) is provided below the liquid outlet nozzle (16), and a controlled end of the stirring mechanism (12) is connected to a PLC controller; a discharge pipe (13) is connected to the middle part of the lower cavity, and a valve is provided on the discharge pipe (13); and the controlled ends of the spray mechanism (2), the oxidation mechanism (10), and the valve are all connected to the PLC controller.

2. The adsorption oxidation device for industrial magnesium sulfate production according to claim 1, characterized in that: The spray mechanism (2) comprises a plurality of spray pipes (21) uniformly arranged in the cavity, and a plurality of spray nozzles (22) are uniformly arranged on the spray pipes (21); the spray pipes (21) are connected to a liquid supply pipe (8), and the other end of the liquid supply pipe (8) is connected to a liquid storage tank (9); a liquid inlet pump (7) and a liquid inlet valve are arranged on the liquid supply pipe (8), and the controlled ends of the liquid inlet pump (7) and the liquid inlet valve are connected to a PLC controller.

3. The adsorption oxidation device for industrial magnesium sulfate production according to claim 1, characterized in that: A desulfurization circulation pipe (5) is connected between the liquid outlet pipe (4) and the liquid supply pipe (8), and a circulation pump (6) and a valve connected to a PLC controller are arranged on the desulfurization circulation pipe (5).

4. The adsorption oxidation device for industrial magnesium sulfate production according to claim 3, characterized in that: The liquid outlet pipe (4) is connected to the jet circulation pipe (11), and the other end of the jet circulation pipe (11) is connected to the bottom of the lower cavity; the jet circulation pipe (11) is provided with a control valve (1101) and a lift pump (1102), and the controlled ends of the control valve (1101) and the lift pump (1102) are connected to a PLC controller.

5. The adsorption oxidation device for industrial magnesium sulfate production according to claim 1, characterized in that: The stirring mechanism (12) comprises a stirring motor (121) arranged at the bottom of the reaction tank (1), and a controlled end of the stirring motor (121) is connected to a PLC controller; the rotating shaft of the stirring motor (121) is connected to a rotating rod (122) vertically arranged in the lower inner cavity, and a plurality of horizontally arranged stirring rods (123) are arranged on the rotating rod (122).

6. The adsorption oxidation device for industrial magnesium sulfate production according to claim 5, characterized in that: The oxidation mechanism (10) comprises an air pipe (101) connected to the lower side wall of the lower cavity, an air valve (102) and an air pump (103) are arranged on the air pipe (101), and the controlled ends of the air valve (102) and the air pump (103) are connected to a PLC controller; the air pipe (101) is connected to an air jet pipe (104) horizontally arranged in the lower cavity, and a plurality of upward air jet nozzles (105) are evenly arranged on the air jet pipe (104).

7. The adsorption oxidation device for industrial magnesium sulfate production according to claim 1, characterized in that: The bottom of the reaction tank is evenly provided with four supporting legs.

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