Concentration regulation and control device in wet magnesium desulfurization process
By designing a cleaning device and collection system, the problems of concentration sensors being covered and impurities settling during wet magnesium desulfurization were solved, achieving precise concentration control and slurry uniformity, and improving the desulfurization effect.
Patent Information
- Application Number
- CN202520553316.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-27
AI Technical Summary
In the wet magnesium desulfurization process, the concentration sensor is easily covered by scale or deposits in the desulfurization slurry, which affects the monitoring accuracy, and the impurities that settle at the bottom of the mixing tank are difficult to remove.
A concentration control device was designed, comprising a slurry storage tank, a mixing tank, a rotating shaft, a mixing blade, a cleaning device, and a control system. The device removes precipitated impurities through the cooperation of an electric push rod and a cleaning scraper, and collects the impurities through a collection tank and a collection box, ensuring uniform mixing of the slurry.
It effectively removes impurities from the bottom of the mixing tank, improves the monitoring accuracy of the concentration sensor, ensures uniform mixing of the slurry, prevents scaling, and enhances the efficiency of the desulfurization reaction.
Smart Images
Figure CN223945455U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the concentration control device in the wet magnesium method desulfurization process, more specifically, especially relates to a concentration control device in the wet magnesium method desulfurization process. BACKGROUND
[0002] The concentration control device in the wet magnesium method desulfurization process is used for accurately controlling the concentration of magnesium ions in desulfurization slurry to maintain the best efficiency of desulfurization reaction. The device includes a concentration sensor, a metering pump, a stirring system and a control unit. The sensor monitors concentration data in real time, and the control unit automatically adjusts the magnesium-based medicament dosage according to the set value, and ensures uniform slurry through the stirring system to prevent scaling and concentration fluctuation. The device is widely used in industrial desulfurization systems such as coal-fired power plants to improve desulfurization effect and environmental performance.
[0003] The concentration control device in the wet magnesium method desulfurization process in the prior art has the problems that a large amount of desulfurization slurry enters the device during use, and the desulfurization slurry contains many impurities, which are easy to precipitate at the bottom of the stirring tank. The concentration sensor is easily covered by scaling or deposits in the desulfurization slurry, thereby affecting the monitoring accuracy.
[0004] Therefore, in view of the above problems, the existing structure and defects are improved, and a concentration control device in the wet magnesium method desulfurization process is provided to achieve a more practical purpose. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides a concentration control device in the wet magnesium method desulfurization process, which is achieved by the following specific technical means:
[0006] A concentration control device in the wet magnesium method desulfurization process, comprising a slurry storage tank, a device cover is arranged at the top of the slurry storage tank, a drive box is arranged at the top of the device cover, a stirring tank is arranged in the slurry storage tank, a water inlet pipe and a magnesium oxide powder adding pipe are arranged on the outside of the slurry storage tank, a demister is arranged at the top of the stirring tank, a rotating shaft is rotatably connected to the side of the device cover facing the stirring tank, and the rotating shaft extends through the demister to the inside of the stirring tank, a plurality of stirring blades are arranged on the outside of the rotating shaft, a cleaning device is arranged on one side of the inner wall of the stirring tank, a collection tank is arranged at the bottom of the stirring tank, a collection box is movably arranged at the bottom of the slurry storage tank corresponding to the collection tank, and a control system is arranged on one side of the slurry storage tank.
[0007] Further, the cleaning device comprises a device box, an electric push rod and a cleaning blade, the device box is located at one side of the stirring tank, the electric push rod is located in the device box, the cleaning blade is located at the other end of the electric push rod, and the outer sides of the electric push rod, the device box and the cleaning blade are coated with an anti-corrosion layer.
[0008] Further, the top end of the device cover is communicated with a smoke exhaust pipe.
[0009] Further, a driving groove is formed in the driving box, a motor is arranged in the driving groove, the top end of the rotating shaft penetrates the bottom end of the device cover and extends into the driving groove, and the output end of the motor is in transmission connection with one end of the rotating shaft extending into the driving groove through a shaft coupling.
[0010] Further, the bottom end of the slurry storage tank is provided with a slurry circulating pump and a discharge pump, the discharge pump is communicated with a discharge pipeline, and the discharge pipeline is provided with a valve and a flow sensor.
[0011] Further, the stirring tank inner wall is provided with a concentration sensor.
[0012] Compared with the prior art, the cleaning device has the following beneficial effects:
[0013] In the utility model, through the cooperation of the device box, the electric push rod and the cleaning blade, the impurities deposited at the bottom end of the stirring tank can be conveniently removed, through the cooperation of the collecting groove and the collecting box, the impurities can be conveniently collected, and the collected impurities can be conveniently treated by the staff. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the overall structure schematic diagram of the utility model.
[0015] Figure 2 It is the side sectional view schematic diagram of the utility model.
[0016] Figure 3 It is the A structure enlarged schematic diagram of the utility model. Figure 2
[0017] Figure 4 It is the overall structure schematic diagram of the cleaning device of the utility model.
[0018] In the drawing, the corresponding relationship between the component name and the drawing number is as follows:
[0019] 1, slurry storage tank; 2, equipment cover; 3, drive box; 4, stirring tank; 5, water inlet pipe; 6, magnesium oxide powder adding pipe; 7, demister; 8, rotating shaft; 9, stirring blade; 10, collection tank; 11, collection box; 12, control system; 13, equipment box; 14, electric push rod; 15, cleaning blade; 16, smoke exhaust pipe; 17, drive groove; 18, motor; 19, slurry circulating pump; 20, discharge pump; 21, concentration sensor. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] Embodiment:
[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 :
[0025] The utility model provides a concentration regulation and control device in the process of wet magnesium method desulfurization, including slurry storage tank 1, the top of slurry storage tank 1 is provided with equipment cover 2, the top of equipment cover 2 is provided with drive box 3, is set with the stirring tank 4 in slurry storage tank 1, the outside of slurry storage tank 1 is provided with water inlet pipe 5 and magnesium oxide powder adding pipe 6, the top of stirring tank 4 is provided with demister 7, equipment cover 2 is rotatably connected with the shaft 8 on the side to stirring tank 4, and the shaft 8 extends to the inside of stirring tank 4 through demister 7, the outside of shaft 8 is provided with a plurality of stirring blades 9, the inner wall of stirring tank 4 one side is provided with cleaning device, the bottom of stirring tank 4 is provided with collecting groove 10, the bottom of slurry storage tank 1 is movably provided with collecting box 11 corresponding collecting groove 10, one side of slurry storage tank 1 is provided with control system 12.
[0026] Wherein, cleaning device includes equipment box 13, electric push rod 14 and cleaning scraper 15, equipment box 13 is located at one side of stirring tank 4, electric push rod 14 is located in the inside of equipment box 13, cleaning scraper 15 is located at the other end of electric push rod 14, and electric push rod 14, equipment box 13 and cleaning scraper 15 outside are all daubed with anticorrosive layer, and anticorrosive layer can effectively improve service life.
[0027] Wherein, the top of equipment cover 2 is communicated with smoke exhaust pipe 16, and the smoke exhaust pipe 16 can conveniently discharge waste gas outside the whole device.
[0028] Wherein, drive groove 17 is set up in drive box 3, motor 18 is set up in drive groove 17, the top of shaft 8 passes through the bottom of equipment cover 2 and extends to drive groove 17, and the output end of motor 18 is drivingly connected with the one end of shaft 8 extending to drive groove 17 through the shaft coupling.
[0029] Wherein, slurry circulating pump 19 and discharge pump 20 are set up at the bottom of slurry storage tank 1, and the discharge pump 20 is communicated with discharge pipeline, and the discharge pipeline is provided with valve and flow sensor.
[0030] Wherein, the inner wall of stirring tank 4 is provided with concentration sensor 21, and the concentration sensor 21 can conveniently detect the concentration.
[0031] The working principle of the embodiment is as follows: before use, the staff needs to check the whole device first, and then use the device after ensuring that the whole device is intact; the operation control system 12 starts the whole device, the motor 18 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the stirring blade 9 to uniformly stir the slurry in the stirring tank 4. At the same time, the raw materials are added through the water inlet pipe 5 and the magnesium oxide powder adding pipe 6 according to the process requirements, so as to ensure that the slurry is uniformly mixed, the concentration sensor 21 can detect the concentration of the slurry in real time, the adding amount and the stirring speed are adjusted according to the requirements, the best concentration is maintained, the demister 7 can effectively reduce the mist generated when the slurry is mixed, the waste gas generated by mixing is discharged out of the whole device through the smoke exhaust pipe 16, the electric push rod 14 drives the cleaning scraper 15 to move at the bottom of the stirring tank 4 according to the time set in advance, the impurities deposited at the bottom are pushed to the collecting tank 10, so that the impurities fall into the collecting box 11, and the staff can conveniently disassemble the collecting box 11 to clean the impurities in the later period.
[0032] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present application and its practical application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific use.
Claims
1. A concentration regulating device in a wet magnesium-based desulfurization process, comprising a slurry storage tank (1), characterized in that: The top of the slurry tank (1) is provided with a device cover (2), the top of the device cover (2) is provided with a driving box (3), the slurry tank (1) is provided with a stirring tank (4), the outside of the slurry tank (1) is provided with a water inlet pipe (5) and a magnesium oxide powder adding pipe (6), the top of the stirring tank (4) is provided with a demister (7), the device cover (2) is rotatably connected with a rotating shaft (8) on the side facing the stirring tank (4), and the rotating shaft (8) extends through the demister (7) to the inside of the stirring tank (4), the outside of the rotating shaft (8) is provided with a plurality of stirring blades (9), one side of the inner wall of the stirring tank (4) is provided with a cleaning device, the bottom of the stirring tank (4) is provided with a collecting tank (10), the bottom of the slurry tank (1) is movably provided with a collecting box (11) corresponding to the collecting tank (10), and one side of the slurry tank (1) is provided with a control system (12).
2. The concentration regulating device in a wet magnesium-based desulfurization process according to claim 1, characterized by: The cleaning device comprises a device box (13), an electric push rod (14) and a cleaning scraper (15), the device box (13) is located on one side of the stirring tank (4), the electric push rod (14) is located in the inside of the device box (13), the cleaning scraper (15) is located on the other end of the electric push rod (14), and the outside of the electric push rod (14), the device box (13) and the cleaning scraper (15) is coated with an anti-corrosion layer.
3. The concentration regulating device in a wet magnesium-based desulfurization process according to claim 1, characterized by: The top of the device cover (2) is communicated with a smoke exhaust pipe (16).
4. The concentration regulating device in a wet magnesium-based desulfurization process according to claim 1, characterized by: The driving box (3) is provided with a driving groove (17), the driving groove (17) is provided with a motor (18), the top of the rotating shaft (8) penetrates through the bottom of the device cover (2) and extends into the driving groove (17), and the output end of the motor (18) is in transmission connection with one end of the rotating shaft (8) extending into the driving groove (17) through a shaft coupling.
5. The concentration regulating device in a wet magnesium-based desulfurization process according to claim 1, characterized by: The bottom of the slurry tank (1) is provided with a slurry circulating pump (19) and a discharge pump (20), and the discharge pump (20) is communicated with a discharge pipeline, the discharge pipeline is provided with a valve and a flow sensor.
6. The concentration regulating device in a wet magnesium-based desulfurization process according to claim 1, characterized by: The inner wall of the stirring tank (4) is provided with a concentration sensor (21).