Vacuum adjusting device for dehydration of desulfurized gypsum

Abstract

The utility model provides a flue gas desulfurization gypsum dehydration vacuum adjusting device, which comprises a mounting seat and a hood, the upper surface of the mounting seat is fixedly connected with a driver, the upper surface of the mounting seat is fixedly connected with a vacuum pump, the upper surface of the vacuum pump is fixedly communicated with a square box, and the upper surface of the square box is fixedly connected with a motor. The right side face of the square box fixedly communicates with a first vacuum degree adjusting valve. According to the vacuum adjusting device for desulfurization gypsum dehydration, the vacuum pump starts to generate vacuum through the driver, then a vacuum degree value is set on the execution controller, then the first vacuum degree adjusting valve and the second vacuum degree adjusting valve are opened, the vacuum enters the vacuum tank through the air suction pipe, and the air pressure in the vacuum tank is monitored through the air pressure sensor; the vacuum degree in the vacuum tank can be adjusted more accurately so as to meet the requirements of different desulfurization gypsum dehydration processes, meanwhile, the change of the vacuum degree can be found in time, the vacuum degree can be adjusted according to needs, and the smooth proceeding of the desulfurization gypsum dehydration process can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of desulfurized gypsum, in particular to a vacuum regulating device for dehydrating desulfurized gypsum. Background Art

[0002] Traditionally, domestic steel companies have adopted the lime-gypsum desulfurization process in their environmentally friendly desulfurization projects. The lime slurry enters the desulfurization tower and is atomized by the nozzle to react with sulfur dioxide in the flue gas to make its water content less than 10%. It crystallizes to form a mixture of dihydrate gypsum and calcium sulfite. This process is an important step in the production of desulfurized gypsum and is also the basis for its processing and utilization. After dehydration, the desulfurized gypsum can be widely used in the building materials industry, such as the production of cement, gypsum board, plaster and other products. In addition, the desulfurized gypsum can also be used as a cement retarder, or used to make gypsum board, plaster and other products.

[0003] At present, the domestic wet desulfurization process is mature, but sometimes due to process or equipment reasons, the vacuum degree is too large, resulting in pleating of the vacuum dehydrator filter cloth and excessive wear of the belt, and at the same time causing the vacuum pump current to increase, resulting in increased power consumption. In order to ensure that the vacuum belt conveyor operates in the best working state, it is necessary to control the vacuum degree below -50Kpa. In addition, the filter cake thickness is also a parameter that needs attention and should be controlled within the range of 25-30mm. Therefore, it is necessary to provide a vacuum regulating device for desulfurization gypsum dehydration to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a vacuum regulating device for desulfurization gypsum dehydration, which is used to solve the problem that excessive vacuum is caused due to process or equipment reasons, resulting in pleating of the vacuum dehydrator filter cloth and excessive wear of the belt, while causing the vacuum pump current to increase, resulting in increased power consumption.

[0005] The utility model provides a vacuum regulating device for dehydrating desulfurized gypsum, comprising a mounting seat and a machine cover, wherein the upper surface of the mounting seat is fixedly connected with a driver, the upper surface of the mounting seat is fixedly connected with a vacuum pump, the upper surface of the vacuum pump is fixedly connected with a square box, the right side of the square box is fixedly connected with a first vacuum regulating valve, the upper surface of the square box is fixedly connected with a vacuum tank through a conduit, the inner wall of the vacuum tank is fixedly connected with an air pressure sensor, the left side of the vacuum tank is fixedly connected with a second vacuum regulating valve through a conduit, the upper surface of the second vacuum regulating valve is fixedly connected with a group of suction pipes, the upper surface of each of the suction pipes is commonly fixedly connected with a vacuum dehydrator, the front of the machine cover is hinged with a box door through a hinge, the inner wall of the machine cover is fixedly connected with a power supply, the inner wall of the machine cover is fixedly connected with an execution controller, and the first vacuum regulating valve, the second vacuum regulating valve and the air pressure sensor are all electrically connected to the execution controller through wires.

[0006] Preferably, the bottom surface of the hood is fixedly connected to a base, the outer surface of the base is provided with four mounting grooves, and the upper surface of each mounting groove is provided with a positioning hole.

[0007] Preferably, a warning sign is fixedly connected to the front of the box door, and a buckle lock is fixedly connected to the front of the box door.

[0008] Preferably, a circuit board is fixedly connected to the front of the box door, and an audible and visual alarm is fixedly connected to the front of the circuit board.

[0009] Preferably, a heat conducting plate is fixedly connected to the back side of the hood, and a group of heat dissipation fins is fixedly connected to the back side of the heat conducting plate.

[0010] Preferably, an identification plate is provided on the left side of the hood, the right side of the identification plate is fixedly connected to the left side of the hood, and a partition is fixedly connected to the inner wall of the hood.

[0011] Compared with the related art, the vacuum regulating device for desulfurization gypsum dehydration provided by the utility model has the following beneficial effects:

[0012] 1. The vacuum regulating device for dehydration of desulfurized gypsum of the utility model starts to generate vacuum by driving the vacuum pump, sets the vacuum value on the execution controller, opens the first vacuum regulating valve and the second vacuum regulating valve, allows the vacuum to enter the vacuum tank through the suction pipe, and uses the air pressure sensor to monitor the air pressure in the vacuum tank. The vacuum degree in the vacuum tank can be adjusted more accurately to meet the needs of different desulfurized gypsum dehydration processes. At the same time, the change of vacuum degree can be detected in time, and the vacuum degree can be adjusted as needed, which can ensure the smooth progress of the desulfurized gypsum dehydration process.

[0013] 2. The vacuum regulating device for dehydration of desulfurized gypsum of the utility model can control the opening of the first vacuum regulating valve and the second vacuum regulating valve and maintain the vacuum degree by executing the controller. By controlling the opening of the two vacuum regulating valves, the problem of excessive vacuum in the dehydration process of wet desulfurized gypsum, which leads to pleating of the filter cloth of the vacuum dehydrator and excessive wear of the belt, can be solved, thereby ensuring the continuous operation of desulfurization and reducing equipment and energy costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the vacuum regulating device for dehydration of desulfurized gypsum of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the machine cover in the vacuum regulating device for dehydration of desulfurized gypsum of the utility model;

[0016] Figure 3It is a three-dimensional structural schematic diagram of the execution controller in the vacuum regulating device for dehydration of desulfurized gypsum of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the hood from the rear perspective in the vacuum regulating device for desulfurization gypsum dehydration of the utility model.

[0018] Numbers in the figure: 1. Vacuum dehydrator; 2. Suction pipe; 3. Second vacuum regulating valve; 4. Vacuum tank; 5. Air pressure sensor; 6. Mounting seat; 7. Vacuum pump; 8. Driver; 9. Square box; 10. First vacuum regulating valve; 11. Base; 12. Mounting slot; 13. Machine cover; 14. Circuit board; 15. Sound and light alarm; 16. Positioning hole; 17. Box door; 18. Warning sign; 19. Lock; 20. Heat conduction plate; 21. Heat sink fins; 22. Identification plate; 23. Partition; 24. Power supply; 25. Execution controller. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1-4 , a vacuum regulating device for dehydrating desulfurized gypsum comprises: a mounting seat 6 and a hood 13, a driver 8 is fixedly connected to the upper surface of the mounting seat 6, a vacuum pump 7 is fixedly connected to the upper surface of the vacuum pump 7, a square box 9 is fixedly connected to the upper surface of the vacuum pump 7, a first vacuum regulating valve 10 is fixedly connected to the right side of the square box 9, a vacuum tank 4 is fixedly connected to the upper surface of the square box 9 through a conduit, a pressure sensor 5 is fixedly connected to the inner wall of the vacuum tank 4, a second vacuum regulating valve 3 is fixedly connected to the left side of the vacuum tank 4 through a conduit, a group of suction pipes 2 are fixedly connected to the upper surface of the second vacuum regulating valve 3, a vacuum dehydrator 1 is fixedly connected to the upper surface of each suction pipe 2, a box door 17 is hinged on the front of the hood 13 through a hinge, a power supply 24 is fixedly connected to the inner wall of the hood 13, an execution controller 25 is fixedly connected to the inner wall of the hood 13, and the first vacuum regulating valve 10, the second vacuum regulating valve 3 and the pressure sensor 5 are all electrically connected to the execution controller 25 through wires.

[0021] In the specific implementation process, the bottom surface of the hood 13 is fixedly connected to the base 11, and the outer surface of the base 11 is provided with four installation grooves 12, and the upper surface of each installation groove 12 is provided with a positioning hole 16. The installation grooves 12 and the positioning holes 16 are set, which can facilitate the staff to install the hood 13. The front of the box door 17 is fixedly connected to a warning sign 18, and the front of the box door 17 is fixedly connected to a buckle 19. Through the set warning sign 18, irrelevant personnel can be warned to avoid accidental touch. The front of the box door 17 is fixedly connected to a circuit board 14, and the front of the circuit board 14 is fixedly connected to an audible and visual alarm 15. Through the set audible and visual alarm 15, the staff can be warned and respond quickly.

[0022] During the specific implementation process, a heat conducting plate 20 is fixedly connected to the back of the hood 13, and a group of cooling fins 21 are fixedly connected to the back of the heat conducting plate 20. The heat dissipation efficiency of the device can be improved by setting the heat conducting plate 20 and the group of cooling fins 21. An identification plate 22 is provided on the left side of the hood 13, and the right side of the identification plate 22 is fixedly connected to the left side of the hood 13. A partition plate 23 is fixedly connected to the inner wall of the hood 13. The identification plate 22 can improve the recognition of the device.

[0023] The working principle of a vacuum regulating device for dehydration of desulfurized gypsum provided by the utility model is as follows: when in use, first move the device to the place of use for installation, then start the driver 8 to make the vacuum pump 7 start to generate vacuum, then set the vacuum value on the execution controller 25, and then open the first vacuum regulating valve 10 and the second vacuum regulating valve 3, so that the vacuum enters the vacuum tank 4 through the suction pipe 2, and use the air pressure sensor 5 to monitor the air pressure in the vacuum tank 4. After the vacuum in the vacuum tank 4 reaches the set value, the execution controller 25 controls the opening of the first vacuum regulating valve 10 and the second vacuum regulating valve 3 and maintains the vacuum value.

[0024] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vacuum regulating device for dehydration of desulfurized gypsum, characterized in that: include: A mounting seat (6) and a hood (13), the upper surface of the mounting seat (6) is fixedly connected to a driver (8), the upper surface of the mounting seat (6) is fixedly connected to a vacuum pump (7), the upper surface of the vacuum pump (7) is fixedly connected to a square box (9), the right side of the square box (9) is fixedly connected to a first vacuum regulating valve (10), the upper surface of the square box (9) is fixedly connected to a vacuum tank (4) via a conduit, the inner wall of the vacuum tank (4) is fixedly connected to an air pressure sensor (5), and the left side of the vacuum tank (4) is fixedly connected to a second vacuum regulating valve via a conduit (3), the upper surface of the second vacuum regulating valve (3) is fixedly connected to a group of suction pipes (2), the upper surface of each of the suction pipes (2) is commonly fixedly connected to a vacuum dehydrator (1), the front of the machine cover (13) is hinged with a box door (17), the inner wall of the machine cover (13) is fixedly connected to a power supply (24), the inner wall of the machine cover (13) is fixedly connected to an execution controller (25), and the first vacuum regulating valve (10), the second vacuum regulating valve (3) and the air pressure sensor (5) are all electrically connected to the execution controller (25) through wires.

2. A vacuum regulating device for dehydration of desulfurized gypsum according to claim 1, characterized in that: The bottom surface of the hood (13) is fixedly connected to a base (11), the outer surface of the base (11) is provided with four mounting grooves (12), and the upper surface of each mounting groove (12) is provided with a positioning hole (16).

3. A vacuum regulating device for dehydration of desulfurized gypsum according to claim 1, characterized in that: A warning sign (18) is fixedly connected to the front of the box door (17), and a buckle lock (19) is fixedly connected to the front of the box door (17).

4. A vacuum regulating device for dehydration of desulfurized gypsum according to claim 1, characterized in that: A circuit board (14) is fixedly connected to the front of the box door (17), and an audible and visual alarm (15) is fixedly connected to the front of the circuit board (14).

5. A vacuum regulating device for dehydration of desulfurized gypsum according to claim 1, characterized in that: A heat conducting plate (20) is fixedly connected to the back of the hood (13), and a group of heat dissipation fins (21) is fixedly connected to the back of the heat conducting plate (20).

6. A vacuum regulating device for dehydration of desulfurized gypsum according to claim 1, characterized in that: A signboard (22) is provided on the left side of the hood (13); the right side of the signboard (22) is fixedly connected to the left side of the hood (13); and a partition plate (23) is fixedly connected to the inner wall of the hood (13).

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