A wastewater desulfurization treatment device and method for coal-fired boilers

Abstract

The present invention provides a wastewater desulfurization treatment device and method for a coal-fired boiler, which relates to the field of wastewater treatment, and comprises: a fixed part; the separation part is arranged inside the fixed part; the power part is arranged inside the fixed part; the adding part is arranged inside the fixed part, and is slidably connected in an adjusting groove through a slag-carrying plate and is connected to a driving telescopic rod on a control frame, and the slag-carrying plate is controlled to cover the adjusting groove while lifting and lowering, and during discharge, internal sediments are kept stable in the slag-carrying plate, and at the same time, the wastewater is discharged through the adjusting groove, and a downward and outward flow is formed during the discharge process, so as to avoid affecting the sediments, and solves the problem that, for the current wastewater desulfurization treatment device, a large amount of sediment is easily generated at the bottom of the device during the wastewater treatment process, and the sediment at the bottom is easily mixed during the separation process, so that part of the sediment is extracted together, resulting in incomplete solid-liquid separation.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment, and in particular to a wastewater desulfurization treatment device and method for a coal-fired boiler. Background Art

[0002] After desulfurization treatment, coal-fired power plants will produce a certain amount of wastewater. The heavy metal content of this wastewater exceeds the standard, contains suspended matter and is weakly acidic. Direct discharge will cause great harm to the environment. Therefore, a wastewater desulfurization treatment device is needed to treat the wastewater before it can be discharged.

[0003] However, as far as the current wastewater desulfurization treatment device is concerned, a large amount of precipitated material is easily generated at the bottom of the device during the wastewater treatment process, so that it needs to be further treated for solid-liquid separation. During the separation, the wastewater needs to be extracted, which causes it to mix with the precipitated material at the bottom, thereby extracting part of the precipitated material together, resulting in incomplete solid-liquid separation. At the same time, when treating the wastewater, it is usually necessary to mix additives in the wastewater. When adding, it is usually poured directly into the wastewater and then mixed by a stirring device, which causes the additives to melt before they are fully diffused during mixing, resulting in uneven internal mixing. Summary of the invention

[0004] In view of this, the present invention provides a wastewater desulfurization treatment device and method for a coal-fired boiler, which has a separation part and an addition part. The separation frame is fixed on the inner wall of the main body so that it cooperates with the slag plate to maintain the sealing of the bottom of the main body, and the slag plate is slidably connected in the adjusting groove and connected to the driving telescopic rod on the control frame, so that the slag plate can control the covering of the adjusting groove by the slag plate while lifting and lowering, thereby facilitating the control of wastewater discharge. During discharge, the internal sediment remains stable in the slag plate, and the wastewater is discharged through the adjusting groove and flows downward and outward during the discharge process, thereby avoiding affecting the sediment, making it convenient for solid-liquid separation. The butt-joint pipe is plugged into the driving rod and the inner pipe to facilitate the flow of additives, and the overall stability of the butt-joint pipe is maintained by the fixed frame, thereby facilitating its use. The connecting hole is opened on the butt-joint pipe to facilitate the connection of the nozzle, so that the device mixes the additive into the wastewater through the nozzle, thereby facilitating the treatment of the wastewater.

[0005] The present invention provides a wastewater desulfurization treatment device and method for a coal-fired boiler, which specifically includes: a fixing part, a separation part, a power part, and an adding part; the fixing part includes: a filter residue plate; the filter residue plate is an annular structure, and an annular groove is provided on the top of the filter residue plate, and the annular groove of the filter residue plate is connected with a semi-cylindrical groove, and the filter residue plate is fixed to the inner wall of the top of the main body of the fixing part by screws; the separation part is arranged inside the fixing part, and the separation frame of the separation part is fixed on the inner wall of the main body, and the separation part includes: a slag plate; the slag plate is a cylindrical structure, and a cylindrical groove is provided on the top of the slag plate, and the cylindrical groove of the slag plate is connected with an oblique through hole, and an annular protrusion is provided on the outer wall of the slag plate, and the slag plate is slidably connected in the adjustment groove of the separation part; the The power unit is arranged inside the fixed unit, and the driving rod of the power unit is rotatably connected to the mounting frame of the fixed unit, and the driving rod is connected to the columnar gear on the mounting frame through a latching tooth, and the power unit includes: an inner tube; the inner tube is a cylindrical structure, and a cylindrical groove is provided inside the inner tube, and the cylindrical groove of the inner tube is connected with an annular groove, and a circular through hole is provided on the outer wall of the inner tube, and the inner tube is arranged inside the driving rod, and the circular through hole of the inner tube is aligned with the docking groove of the power unit; the adding unit is arranged inside the fixed unit, and the fixing frame of the adding unit is fixed to the outer wall of the driving rod by screws, and the docking tube of the adding unit is inserted in the docking groove, and the docking tube is a cylindrical tubular structure, and a cylindrical barrel plug is provided on the docking tube, and a cylindrical protrusion is provided on the outer wall of the docking tube, and the docking tube is arranged inside the fixed frame.

[0006] Optionally, the fixing part also includes: a base frame; the main body is a cylindrical structure, an output port is provided at the bottom of the main body, and two groups of annular protrusions are provided on the outer wall of the main body; the base frame is an annular structure, an annular groove is provided on the inner wall of the base frame, and cylindrical supporting feet are provided at the bottom of the base frame, and the base frame is fixed to the annular protrusions below the main body by screws.

[0007] Optionally, the mounting frame is a circular ring structure, a circular ring groove is provided on the inner wall of the mounting frame, three groups of inclined support frames are provided on the outer wall of the mounting frame, a control motor is provided on one group of support frames of the mounting frame, and the mounting frame is fixed to the top of the main body by screws.

[0008] Optionally, the separation frame is a circular ring structure, the top inner wall of the separation frame is provided with a slope, and the bottom of the separation frame is provided with a circular ring-shaped groove; the adjustment groove is a circular ring-shaped groove, a cylindrical sliding rod is provided in the adjustment groove, the adjustment groove is set on the inner wall of the separation frame, and the adjustment groove is connected to the circular ring-shaped groove at the bottom of the separation frame through a circular hole.

[0009] Optionally, the separation part also includes: a control frame; the control frame is a hexagonal columnar structure, a square plate-shaped protrusion is provided on the outer wall of the control frame, an electric telescopic rod is provided on the control frame, the control frame is fixed on the inner wall of the separation frame, and the electric telescopic rod of the control frame is connected to the bottom of the slag loading plate.

[0010] Optionally, the driving rod is a cylindrical rod structure, a cylindrical groove is provided inside the driving rod, a circular protrusion is provided on the outer wall of the driving rod, a rectangular protrusion is provided on the circular protrusion of the driving rod, and a columnar gear is provided on the outer wall of the driving rod.

[0011] Optionally, the power unit also includes: an external tube; the docking groove is a cylindrical through hole, and the docking groove is arranged on a rectangular protrusion on the outer wall of the driving rod; the external tube is a cylindrical structure, and a circular protrusion is arranged on the outer wall of the external tube, and the external tube is rotatably connected to the inner tube.

[0012] Optionally, the fixing frame is a cylindrical structure, a cylindrical groove is provided on the fixing frame, the cylindrical groove of the fixing frame is connected with a circular through hole, and a rectangular protrusion is provided on the outer wall of the fixing frame.

[0013] Optionally, the adding part further includes: a connecting hole and a nozzle; the connecting hole is a threaded through hole, and the connecting hole is arranged on a cylindrical protrusion of the butt tube; the nozzle is threadedly connected in the connecting hole.

[0014] The present invention discloses a method for treating wastewater desulfurization of a coal-fired boiler, comprising the following steps:

[0015] 1. During installation, fix the base frame to the bottom of the main body, so as to maintain the overall stability of the device through the base frame, connect the output port at the bottom of the main body with the external delivery pipeline, and connect the external pipe with the input pipeline of the external additive. At the same time, control the slag plate by controlling the electric telescopic rod, so that the oblique hole on the slag plate is disconnected from the adjustment groove, so as to maintain the sealing of the bottom of the main body;

[0016] 2. When in use, the sediment generated by the wastewater inside the main body falls into the slag plate under the action of gravity for temporary storage, and then the slag plate is controlled to move downward by the electric telescopic rod, and the regulating groove is connected to the inside of the main body during the downward movement, thereby removing the blockage of the wastewater and discharging the wastewater through the regulating groove. During the discharge process, the wastewater flows downward and outward through the regulating groove and the oblique holes on the slag plate, thereby avoiding affecting the sediment and facilitating solid-liquid separation, thereby facilitating the use of the device.

[0017] Beneficial Effects

[0018] According to the wastewater desulfurization treatment device of each embodiment of the present invention, a fixing part is provided, so that the wastewater to be treated can be loaded through the main body, so as to facilitate the desulfurization treatment thereof, and the base frame is fixed to the bottom of the main body by screws, so that it can support the main body while separating it from the ground, so as to facilitate the connection of its bottom with the external connection pipe, so as to facilitate the discharge of wastewater, and the filter residue plate is fixed to the top of the main body, so that when wastewater is added to the inside of the main body, it is convenient to separate the foam floating on the top, so as to facilitate the initial cleaning of the wastewater, and then the power unit can be controlled through the mounting frame, so as to facilitate the mixing of additives in the wastewater.

[0019] In addition, the separation part is arranged inside the fixed part, and the separation frame is fixed on the inner wall of the main body, so that the separation part as a whole can be kept stable, and it is convenient to cooperate with the slag loading plate to keep the internal sealing of the main body. By opening an adjustment groove on the separation frame, it is convenient to adjust the slag loading plate while installing it. At the same time, the discharge of internal waste water is controlled through the circular through hole in the groove, which replaces the traditional extraction and discharge method and makes it easy to use. By fixing the control frame on the separation frame, it is convenient to control the movement of the slag loading plate through the electric telescopic rod.

[0020] In addition, the power unit is arranged inside the fixed part, and by connecting the driving rod with the columnar gear on the mounting frame, it is rotated under the action of the control motor, thereby facilitating the addition part to rotate, and a docking tube is fixed on the outer wall of the driving rod, so as to facilitate the installation of the adding part and facilitate the flow of additives, and the inner tube is arranged inside the driving rod, and it is rotatably connected with the external tube, so as to be connected with the external conveying device through the external tube, so as to facilitate the input of additives into the device, making it easy to use.

[0021] In addition, the adding part is arranged inside the fixing part, and the connecting tube is inserted into the driving rod and the inner tube to facilitate the flow of the additive, and the fixing frame is fixed to the outside of the driving rod to maintain the overall stability of the connecting tube, thereby facilitating its use. At the same time, by opening a connecting hole on the connecting tube, it is convenient to fix the nozzle, so that when the device is in use, the additive is mixed into the wastewater through the nozzle, thereby facilitating the treatment of the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0023] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention.

[0026] Figure 2 It is a schematic diagram of the three-dimensional bottom-up structure of an embodiment of the present invention.

[0027] Figure 3 It is a schematic diagram of the decomposed structure of an embodiment of the present invention.

[0028] Figure 4 It is a schematic diagram of the exploded bottom view structure of an embodiment of the present invention.

[0029] Figure 5 It is a schematic diagram of the internal assembly structure of an embodiment of the present invention.

[0030] Figure 6 The embodiment of the present invention is Figure 5 Schematic diagram of the enlarged structure of part A.

[0031] Figure 7 The embodiment of the present invention is Figure 5 Schematic diagram of the enlarged structure of part B.

[0032] Figure 8 It is a schematic diagram of the assembly structure of the fixing part of an embodiment of the present invention.

[0033] Fig. 9 The embodiment of the present invention is Figure 8 Schematic diagram of the enlarged structure of part C.

[0034] Fig.10 It is a schematic diagram of the assembly structure of the separation part of an embodiment of the present invention.

[0035] Fig.11 It is a schematic diagram of the power unit assembly structure of an embodiment of the present invention.

[0036] Fig.12 It is a schematic diagram of the assembly structure of the adding part of an embodiment of the present invention.

[0037] Reference numerals list

[0038] 1. Fixing part; 101. Main body; 102. Base frame; 103. Filter plate; 104. Mounting frame; 2. Separation part; 201. Separation frame; 202. Adjustment slot; 203. Filter plate; 204. Control frame; 3. Power part; 301. Driving rod; 302. Docking slot; 303. Inner tube; 304. External tube; 4. Adding part; 401. Fixing frame; 402. Docking tube; 403. Connection hole; 404. Nozzle. DETAILED DESCRIPTION

[0039] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0040] Example 1: Please refer to Figures 1 to 12 As shown:

[0041] The present invention provides a wastewater desulfurization treatment device and method for a coal-fired boiler, comprising: a fixing part 1, a separation part 2, a power part 3, and an adding part 4; the fixing part 1 comprises: a filter residue plate 103; the filter residue plate 103 is an annular structure, and an annular groove is provided on the top of the filter residue plate 103, and the annular groove of the filter residue plate 103 is connected with a semi-cylindrical groove, and the filter residue plate 103 is fixed to the inner wall of the top of the main body 101 of the fixing part 1 by screws; the filter residue plate 103 is used to clean the foam and impurities on the top of the wastewater, so as to facilitate the preliminary cleaning of the impurities; the separation part 2 is arranged inside the fixing part 1, The separation frame 201 of the separation part 2 is fixed on the inner wall of the main body 101, and the separation part 2 includes: a slag plate 203; the slag plate 203 is a cylindrical structure, and a cylindrical groove is provided on the top of the slag plate 203, and the cylindrical groove of the slag plate 203 is connected with an oblique through hole, and an annular protrusion is provided on the outer wall of the slag plate 203, and the slag plate 203 is slidably connected in the adjustment groove 202 of the separation part 2; the slag plate 203 is used to store the precipitated material generated in the wastewater treatment, so as to facilitate the solid-liquid separation of the wastewater and make it easy to use; the power part 3 is arranged inside the fixed part 1, and the power part 3 The driving rod 301 is rotatably connected to the mounting frame 104 of the fixed part 1, and the driving rod 301 is connected to the cylindrical gear on the mounting frame 104 through the latching teeth. The power part 3 includes: an inner tube 303; the inner tube 303 is a cylindrical structure, and a cylindrical groove is provided inside the inner tube 303, and the cylindrical groove of the inner tube 303 is connected with an annular groove. A circular through hole is provided on the outer wall of the inner tube 303, and the inner tube 303 is arranged inside the driving rod 301, and the circular through hole of the inner tube 303 is aligned with the docking groove 302 of the power part 3; the inner tube 303 is used to connect the docking tube 402, so as to facilitate the distribution of the inner tube 303 into the docking tube 402. The additive is prepared so that it is convenient to evenly distribute the additive into the wastewater; the adding part 4 is arranged inside the fixing part 1, the fixing frame 401 of the adding part 4 is fixed to the outer wall of the driving rod 301 by screws, the docking pipe 402 of the adding part 4 is inserted into the docking groove 302, the docking pipe 402 is a cylindrical tubular structure, a cylindrical barrel plug is provided on the docking pipe 402, a cylindrical protrusion is provided on the outer wall of the docking pipe 402, and the docking pipe 402 is arranged inside the fixing frame 401; the docking pipe 402 is used to assist in the installation of the nozzle 404, so as to facilitate the distribution of the additive into the wastewater, so that it is convenient to treat the wastewater.

[0042] Embodiment 2:

[0043] like Figure 8 As shown, the fixing part 1 also includes: a base frame 102; the main body 101 is a cylindrical structure, the bottom of the main body 101 is provided with an output port, and the outer wall of the main body 101 is provided with two groups of annular protrusions; the main body 101 is used to install and fix other structures of the device, and at the same time load the wastewater to be desulfurized; the base frame 102 is an annular structure, the inner wall of the base frame 102 is provided with an annular groove, the bottom of the base frame 102 is provided with a cylindrical support foot, and the base frame 102 is fixed to the annular protrusion below the main body 101 by screws; the base frame 102 is used to assist It helps support the main body 101, so as to maintain its overall stability and make it easy to use; the mounting frame 104 is a circular ring structure, the inner wall of the mounting frame 104 is provided with a circular ring groove, the outer wall of the mounting frame 104 is provided with three groups of inclined support frames, one group of support frames of the mounting frame 104 is provided with a control motor, and the mounting frame 104 is fixed to the top of the main body 101 by screws; the mounting frame 104 is used to assist in fixing the driving rod 301, and control the driving rod 301 to rotate under the action of the control motor and the columnar gear, so that it is easy to use.

[0044] like Figures 9 and 10 As shown, the separation frame 201 is a circular ring structure, the top inner wall of the separation frame 201 is provided with an inclined surface, and the bottom of the separation frame 201 is provided with a circular ring groove; the separation frame 201 is used to assist in the installation of other structures of the separation part 2, so as to facilitate its use; the adjustment groove 202 is a circular ring groove, and a cylindrical sliding rod is provided in the adjustment groove 202. The adjustment groove 202 is set on the inner wall of the separation frame 201, and the adjustment groove 202 is connected to the circular ring groove at the bottom of the separation frame 201 through a circular hole; the adjustment groove 202 is used to assist in the installation of the slag carrying plate 203, so as to facilitate The separation part 2 also includes: a control frame 204; the control frame 204 is a hexagonal column structure, and a square plate-shaped protrusion is provided on the outer wall of the control frame 204. An electric telescopic rod is provided on the control frame 204. The control frame 204 is fixed on the inner wall of the separation frame 201, and the electric telescopic rod of the control frame 204 is connected to the bottom of the slag loading plate 203; the control frame 204 is used to assist in fixing the electric telescopic rod, so as to facilitate the control of the slag loading plate 203 and make it easy to use.

[0045] Embodiment three:

[0046] like Fig.11As shown, the driving rod 301 is a cylindrical rod-shaped structure, the interior of the driving rod 301 is provided with a cylindrical groove, the outer wall of the driving rod 301 is provided with an annular protrusion, the annular protrusion of the driving rod 301 is provided with a rectangular protrusion, and the outer wall of the driving rod 301 is provided with a columnar gear; the driving rod 301 is used to drive the adding part 4 to rotate under the action of the control motor, so as to facilitate its use; the power unit 3 also includes: an external pipe 304; the docking groove 302 is a cylindrical through hole, and the docking groove 302 is arranged on the rectangular protrusion of the outer wall of the driving rod 301; the docking groove 302 is used to assist in plugging the docking pipe 402, so as to facilitate the connection between the inner pipe 303 and the docking pipe 402; the external pipe 304 is a cylindrical structure, the outer wall of the external pipe 304 is provided with an annular protrusion, and the external pipe 304 is rotatably connected in the inner pipe 303; the external pipe 304 is used to assist the inner pipe 303 to be connected with the external additive delivery pipe, and at the same time avoid the driving rod 301 from getting stuck, so that it is easy to use.

[0047] like Fig.12 As shown, the fixing frame 401 is a cylindrical structure, a cylindrical groove is provided on the fixing frame 401, the cylindrical groove of the fixing frame 401 is connected with a circular through hole, and a rectangular protrusion is provided on the outer wall of the fixing frame 401; the fixing frame 401 is used to mix the wastewater while maintaining the overall stability of the adding part 4, so that it is easy to process; the adding part 4 also includes: a connecting hole 403 and a nozzle 404; the connecting hole 403 is a threaded through hole, and the connecting hole 403 is arranged on the cylindrical protrusion of the docking pipe 402; the connecting hole 403 is used to fix the nozzle 404; the nozzle 404 is threadedly connected in the connecting hole 403; the nozzle 404 is used to disperse additives into the wastewater, so as to facilitate the desulfurization treatment of the wastewater.

[0048] Embodiment 4: Figures 1 to 12 Shown

[0049] The present invention discloses a method for treating wastewater from a coal-fired boiler using a desulfurization device, comprising the following steps:

[0050] 1. During installation, the base frame 102 is fixed to the bottom of the main body 101, so that the stability of the device as a whole is maintained through the base frame 102. At the same time, the output port at the bottom of the main body 101 is connected to the external delivery pipeline, and the external pipe 304 is connected to the input pipeline of the external additive. At the same time, the slag plate 203 is controlled by controlling the electric telescopic rod, so that the oblique hole on the slag plate 203 is disconnected from the adjustment groove 202, so as to maintain the sealing of the bottom of the main body 101;

[0051] 2. When in use, the sediment generated by the wastewater inside the main body 101 falls into the slag plate 203 under the action of gravity for temporary storage, and then the slag plate 203 is controlled to move downward by the electric telescopic rod, and during the downward movement, the regulating groove 202 is connected to the inside of the main body 101, thereby removing the blockage of the wastewater and discharging the wastewater through the regulating groove 202. During the discharge process, the wastewater flows downward and outward through the regulating groove 202 and the oblique holes on the slag plate 203, thereby avoiding affecting the sediment, making it convenient for solid-liquid separation, and thus facilitating the use of the device.

[0052] Specific usage and function of this embodiment: In the present invention, before use, the device needs to be moved to the designated position by manpower, and the base frame 102 is fixed to the bottom of the main body 101, so that the stability of the device as a whole is maintained by the base frame 102, and the output port at the bottom of the main body 101 is connected to the external delivery pipeline, and the external pipe 304 is connected to the input pipeline of the external additive, and the slag plate 203 is controlled by controlling the electric telescopic rod, so that the oblique hole on the slag plate 203 is disconnected from the adjustment groove 202, so as to maintain the sealing of the bottom of the main body 101, and then the wastewater required for desulfurization treatment is added to the main body 101 through external equipment. When the wastewater is added to the position of the filter residue plate 103, the foam floating on the top of the filter residue plate 103 flows into the filter residue plate 103 under the action of the semicircular groove of the filter residue plate 103, so as to facilitate the preliminary treatment of the wastewater. When in use, the control motor on the mounting frame 104 is started to control the driving rod 301 to rotate through the columnar gear, thereby driving the adding part 4 during the rotation process. The whole body of the main body 101 rotates in the wastewater, and under the action of the external pipe 304, the driving rod 301 is prevented from getting stuck, while the external additives are transported to the inner pipe 303, and the additives are dispersed into the connecting pipe 402 through the inner pipe 303, so that when the adding part 4 rotates, the additives are mixed into the wastewater through the nozzle 404, and the wastewater is mixed through the fixing frame 401, so as to ensure that the additives are fully mixed in the wastewater, making it convenient for the wastewater to be desulfurized, and the sediment generated by the wastewater inside the main body 101 The sediment material falls into the slag plate 203 under the action of gravity for temporary storage, and then the slag plate 203 is controlled to move downward by the electric telescopic rod, and during the downward movement, the regulating tank 202 is connected to the inside of the main body 101, thereby unblocking the wastewater and discharging the wastewater through the regulating tank 202. During the discharge process, the wastewater flows downward and outward through the regulating tank 202 and the oblique holes on the slag plate 203, thereby avoiding affecting the sediment, making it easy to separate the solid and liquid, and thus facilitating the use of the device.

[0053] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0054] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A wastewater desulfurization treatment device for a coal-fired boiler, characterized in that: include: A fixing part (1), a separating part (2), a power part (3), and an adding part (4); The fixing part (1) comprises: a filter residue plate (103); a circular annular groove is provided on the top of the filter residue plate (103); the circular annular groove of the filter residue plate (103) is connected to a semi-cylindrical groove; the filter residue plate (103) is fixed to the inner wall of the top of the main body (101) of the fixing part (1) by screws; the separation part (2) is arranged inside the fixing part (1); the separation frame (201) of the separation part (2) is fixed to the inner wall of the main body (101); the separation part (2) The invention comprises: a slag carrying plate (203); a cylindrical groove is provided on the top of the slag carrying plate (203); the cylindrical groove of the slag carrying plate (203) is connected with an oblique through hole; an annular protrusion is provided on the outer wall of the slag carrying plate (203); the slag carrying plate (203) is slidably connected in the adjustment groove (202) of the separation part (2); the power part (3) is arranged inside the fixed part (1); a driving rod (301) of the power part (3) is rotatably connected to the mounting frame (202) of the fixed part (1) 104), the driving rod (301) is connected to the cylindrical gear on the mounting frame (104) through a latching tooth, and the power unit (3) comprises: an inner tube (303); a cylindrical groove is provided inside the inner tube (303), the cylindrical groove of the inner tube (303) is connected to an annular groove, a circular through hole is provided on the outer wall of the inner tube (303), the inner tube (303) is arranged inside the driving rod (301), and the circular through hole of the inner tube (303) is connected to the power unit (3) The adding part (4) is arranged inside the fixing part (1), the fixing frame (401) of the adding part (4) is fixed to the outer wall of the driving rod (301) by screws, the butt joint pipe (402) of the adding part (4) is inserted into the butt joint groove (302), the butt joint pipe (402) is provided with a cylindrical barrel plug, the outer wall of the butt joint pipe (402) is provided with a cylindrical protrusion, and the butt joint pipe (402) is arranged inside the fixing frame (401); The top inner wall of the separation frame (201) is provided with an inclined surface, and the bottom of the separation frame (201) is provided with an annular groove; a cylindrical sliding rod is provided in the adjustment groove (202), the adjustment groove (202) is arranged on the inner wall of the separation frame (201), and the adjustment groove (202) is connected to the annular groove at the bottom of the separation frame (201) through a circular hole; The separation part (2) further comprises: a control frame (204); a square plate-shaped protrusion is provided on the outer wall of the control frame (204); an electric telescopic rod is provided on the control frame (204); the control frame (204) is fixed on the inner wall of the separation frame (201); and the electric telescopic rod of the control frame (204) is connected to the bottom of the slag carrying plate (203).

2. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 1, characterized in that: The fixing part (1) further comprises: a base frame (102); an output port is provided at the bottom of the main body (101); two groups of annular protrusions are provided on the outer wall of the main body (101); an annular groove is provided on the inner wall of the base frame (102); a cylindrical supporting foot is provided at the bottom of the base frame (102); the base frame (102) is fixed to the annular protrusions below the main body (101) by means of screws.

3. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 2, characterized in that: The inner wall of the mounting frame (104) is provided with an annular groove, the outer wall of the mounting frame (104) is provided with three groups of inclined support frames, one group of support frames of the mounting frame (104) is provided with a control motor, and the mounting frame (104) is fixed to the top of the main body (101) by screws.

4. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 3, characterized in that: The driving rod (301) is provided with a cylindrical groove inside, the outer wall of the driving rod (301) is provided with a circular ring-shaped protrusion, the circular ring-shaped protrusion of the driving rod (301) is provided with a rectangular protrusion, and the outer wall of the driving rod (301) is provided with a columnar gear.

5. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 4, characterized in that: The power unit (3) further comprises: an external tube (304); the docking groove (302) is arranged on a rectangular protrusion on the outer wall of the driving rod (301); a circular protrusion is arranged on the outer wall of the external tube (304), and the external tube (304) is rotatably connected to the inner tube (303).

6. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 5, characterized in that: The fixing frame (401) is provided with a cylindrical groove, the cylindrical groove of the fixing frame (401) is connected with a circular through hole, and a rectangular protrusion is provided on the outer wall of the fixing frame (401).

7. A wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 6, characterized in that: The adding part (4) further comprises: a connecting hole (403) and a nozzle (404); the connecting hole (403) is arranged on a cylindrical protrusion of the butt joint tube (402); and the nozzle (404) is threadedly connected in the connecting hole (403).

8. The working method of the wastewater desulfurization treatment device for a coal-fired boiler as claimed in claim 7, characterized in that: The following steps are involved: 1) During installation, the base frame (102) is fixed to the bottom of the main body (101), so that the stability of the device as a whole is maintained by the base frame (102), and the output port at the bottom of the main body (101) is connected to an external delivery pipeline, and the external pipe (304) is connected to an external additive input pipeline, and the slag carrying plate (203) is controlled by controlling the electric telescopic rod, so that the oblique through hole on the slag carrying plate (203) is disconnected from the adjustment groove (202), so as to maintain the sealing of the bottom of the main body (101); 2) When in use, the sediment produced by the wastewater inside the main body (101) falls into the slag plate (203) under the action of gravity for temporary storage, and then the slag plate (203) is controlled to move downward by the electric telescopic rod, and during the downward movement, the regulating groove (202) is connected to the inside of the main body (101), thereby removing the blockage of the wastewater and allowing the wastewater to be discharged through the regulating groove (202), and during the discharge process, the wastewater flows downward and outward through the regulating groove (202) and the oblique through holes on the slag plate (203).

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