Desulfurization waste liquid mixing device

Abstract

The utility model discloses a desulfurization waste liquid mixing device, which relates to the technical field of coking production and comprises a vestibule, a support, a desulfurization waste liquid storage tank, a conveying pipe and a swinging device. The support is arranged below the vestibule to support the vestibule, and the blended coal conveying device conveys blended coal; the desulfurization waste liquid storage tank is erected at the top of the vestibule and is used for containing desulfurization waste liquid; the top end of the conveying pipe is connected and communicated with the bottom of the desulfurization waste liquid storage tank, and the bottom end of the conveying pipe penetrates through the sliding chute so as to scatter desulfurization waste liquid in the desulfurization waste liquid storage tank onto blended coal on the blended coal conveying device; the swing device is arranged on the panel side of the desulfurization waste liquid storage tank, the swing device drives the bottom end of the clinker pipe to swing on the sliding groove in a reciprocating mode so that the clinker pipe can scatter desulfurization waste liquid on blended coal on an operation belt, the structure is simple, use is convenient, the mixing uniformity of the desulfurization waste liquid is effectively improved, and the phenomenon that the coal is stuck to the belt during coal taking is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coking production technology, in particular to a desulfurization waste liquid mixing device. BACKGROUND

[0002] In the whole process of coke oven gas methanol production, a large amount of hazardous waste and solid waste cannot be effectively treated, and can only be poured into coking coal for mixing and coking. Among them, the amount of desulfurization waste liquid is the most, and 60-80 tons can be produced per day on average. The extensive pouring into the coal pile causes uneven mixing, resulting in high moisture content of coking coal, which causes serious belt sticking phenomenon when taking coal, affects the amount of coal into the silo, and thus affects the accuracy of coal blending. In addition, uneven mixing of desulfurization waste liquid affects the index of coking clean coal, and thus tests the overall coking process and coke quality.

[0003] Therefore, how to effectively treat desulfurization waste liquid is an important point of concern in the industry. Existing methods such as HPF, ammonia and desulfurization waste liquid salt extraction are complex and require large investment. Therefore, there is an urgent need for a desulfurization waste liquid mixing device to solve the technical defects in the above-mentioned technology. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of desulfurization waste liquid mixing device to solve the problems existing in the prior art, with simple structure, convenient to use, effectively improve the uniformity of desulfurization waste liquid mixing, effectively avoid the occurrence of belt sticking phenomenon when taking coal.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0006] The utility model provides a kind of desulfurization waste liquid mixing device, comprising: veranda, support, desulfurization waste liquid storage tank, feed pipe and swing device, the top of the veranda is provided with chute;The support is arranged below the veranda to support the veranda, and the support can form a space below the chute for the cooperating coal conveying device to pass through, and the cooperating coal conveying device is used to convey cooperating coal;The desulfurization waste liquid storage tank is erected on the top of the veranda, and the desulfurization waste liquid storage tank is used to place desulfurization waste liquid;The top end of the feed pipe is connected and communicated with the bottom of the desulfurization waste liquid storage tank, and the bottom end of the feed pipe is used to pass through the chute to sprinkle the desulfurization waste liquid in the desulfurization waste liquid storage tank on the cooperating coal on the cooperating coal conveying device;The swing device is arranged on the panel side of the desulfurization waste liquid storage tank, and the swing device is used to drive the bottom end of the clinker pipe to reciprocate on the chute to make the clinker pipe sprinkle the desulfurization waste liquid on the cooperating coal on the running belt.

[0007] Preferably, the swinging device comprises a driving motor, a swing arm, a swinging piece, a shaft seat, a moving plate, a blocking column and a blocking rod, the driving motor is fixedly connected to the panel side of the desulfurization waste liquid storage tank, the swing arm is fixedly connected to the output shaft of the driving motor, the shaft seat is fixedly connected to the panel side of the desulfurization waste liquid storage tank, the swinging piece is sleeved outside the shaft seat and is rotationally connected to the shaft seat, the moving plate is slidingly connected to the corridor, the bottom end of the feeding pipe passes through the moving plate and is connected to the moving plate, the blocking column is fixedly connected to one end of the moving plate, the blocking rod is fixedly connected to the other end of the moving plate, the driving motor can drive the swing arm to swing in a circle, the swing arm can drive the moving plate to move left on the corridor after the swing arm swings to contact the blocking rod, the swing arm can drive the swinging piece to rotate around the shaft seat to make the other end of the swinging piece push the moving plate to move right on the corridor after the swing arm swings to contact one end of the swinging piece, and the swing arm can drive the moving plate to complete one-way reciprocating after one circle of swinging.

[0008] Preferably, the swinging piece comprises a first swing rod, a second swing rod, a rotating piece, a limiting block and a reset piece, the rotating piece is sleeved outside the shaft seat, one end of the first swing rod is fixedly connected to the rotating piece, one end of the second swing rod is fixedly connected to the rotating piece, the first swing rod and the second swing rod are in L-shaped structure, the limiting block is fixedly connected to the desulfurization waste liquid storage tank, one end of the reset piece is used for being fixedly connected to the desulfurization waste liquid storage tank, and the other end is used for being connected to the rotating piece to drive the first swing rod to contact the limiting block.

[0009] Preferably, the reset piece is a torsional spring, one end of the torsional spring is sleeved outside the shaft seat, one end of the torsional spring is fixedly connected to the desulfurization waste liquid storage tank, and the other end is fixedly connected to the rotating piece, the swing arm can drive the first swing rod to rotate around the shaft seat to make the second swing rod push the moving plate to move right on the corridor after the swing arm swings to contact the first swing rod, and the torsional spring can drive the first swing rod to rotate to contact the limiting block after the swing arm and the first swing rod are disengaged.

[0010] Preferably, the length of the second swing rod is greater than the length of the first swing rod, the length of the second swing rod is less than the vertical distance between the shaft seat and the moving plate, and the length of the swing arm is greater than the vertical distance between the output shaft of the driving motor and the top moving track of the blocking rod.

[0011] Preferably, the electromagnetic valve is arranged at the top of the feeding pipe to control the opening or closing of the feeding pipe, and the feeding pipe is a flexible hose.

[0012] Preferably, the desulfurization waste liquid tank for receiving the desulfurization waste liquid transported by the pulling vehicle and capable of stirring the desulfurization waste liquid, the feeding pipe with one end connected with the bottom end of the desulfurization waste liquid tank and the other end connected with the desulfurization waste liquid storage tank, and the slurry pump arranged on the feeding pipe are further included.

[0013] Preferably, the stirring motor fixedly connected with the bottom of the desulfurization waste liquid tank, the stirring rod arranged in the desulfurization waste liquid tank and one end of the stirring rod fixedly connected with the output shaft of the stirring motor, and the plurality of stirring blades fixedly connected with the stirring rod are further included.

[0014] Preferably, the plurality of scrapers and the plurality of connecting rods are further included, the scraper fixedly connected with the stirring rod through the connecting rod, and the scraper arranged in close contact with the inner wall of the desulfurization waste liquid tank.

[0015] Preferably, the scale and the two floats are further included, the scale arranged on the inner wall of the desulfurization waste liquid storage tank, the scale provided with the two floats on both sides, and the transparent window arranged on the sidewall of the desulfurization waste liquid storage tank at the scale for observation.

[0016] The present application has the following technical effects compared with the prior art.

[0017] The purpose of the present application is to provide a desulfurization waste liquid mixing device, the swing device drives the bottom end of the feeding pipe to reciprocate on the chute, so that the desulfurization waste liquid can be uniformly scattered on the mixed coal on the running belt, avoiding the problem of uneven mixing caused by local concentrated scattering, thereby improving the mixing uniformity of the desulfurization waste liquid and the mixed coal, and providing more stable raw material conditions for the subsequent coking process. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Fig. 1 The front view cross-sectional structure schematic diagram of the desulfurization waste liquid mixing device provided by the present application is shown.

[0020] Fig. 2 The top view structure schematic diagram of the moving plate in the desulfurization waste liquid mixing device provided by the present application is shown.

[0021] Fig. 3The utility model provides a desulfurization waste liquid mixing device, which is simple in structure, convenient to use, can effectively improve the uniformity of desulfurization waste liquid mixing, and can effectively avoid the phenomenon of sticking belt when taking coal.

[0022] Fig. 4 The utility model provides a desulfurization waste liquid mixing device, which is simple in structure, convenient to use, can effectively improve the uniformity of desulfurization waste liquid mixing, and can effectively avoid the phenomenon of sticking belt when taking coal.

[0023] Figure: 1, desulfurization waste liquid jar;2, scraper;3, stirring blade;4, stirring rod;5, stirring motor;6, vestibule;7, transfer belt;8, slurry pump;9, feeding pipe;10, desulfurization waste liquid storage tank;11, scale;12, drive motor;13, swing arm;14, first swing rod;15, blocking rod;16, moving plate;17, material opening;18, support;19, belt stand;20, baffle;21, material conveying pipe;22, blocking column;23, second swing rod;24, shaft seat;25, limit block;26, torsion spring;27, float. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The utility model discloses a desulfurization waste liquid mixing device, which is simple in structure, convenient to use, can effectively improve the uniformity of desulfurization waste liquid mixing, and can effectively avoid the phenomenon of sticking belt when taking coal.

[0026] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, clear and understandable, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0027] The utility model provides a desulfurization waste liquid mixing device, which is simple in structure, convenient to use, can effectively improve the uniformity of desulfurization waste liquid mixing, and can effectively avoid the phenomenon of sticking belt when taking coal. Figs. 1-4As shown, the device comprises: a vestibule 6, a support 18, a desulfurization waste liquid storage tank 10, a conveying pipe 21 and a swinging device, the top of the vestibule 6 is provided with a chute, the support 18 is arranged below the vestibule 6 to support the vestibule 6, and the support 18 can form a space below the chute for the passing of a matched coal conveying device used for conveying matched coal, the desulfurization waste liquid storage tank 10 is arranged on the top of the vestibule 6 and used for placing desulfurization waste liquid, the top end of the conveying pipe 21 is connected and communicated with the bottom of the desulfurization waste liquid storage tank 10, the bottom end of the conveying pipe 21 is used for passing through the chute to scatter the desulfurization waste liquid in the desulfurization waste liquid storage tank 10 on the matched coal on the matched coal conveying device, the bottom end of the conveying pipe 21 is a material port 17, the swinging device is arranged on the panel side of the desulfurization waste liquid storage tank 10 and used for driving the bottom end of the conveying pipe to reciprocatingly swing on the chute so that the conveying pipe scatters the desulfurization waste liquid on the matched coal on the running belt, and through the cooperation of the vestibule 6, the support 18, the desulfurization waste liquid storage tank 10, the conveying pipe 21 and the swinging device, the function of uniformly scattering the desulfurization waste liquid on the matched coal is realized. The design of the support 18 enables the matched coal conveying device to smoothly pass through, thereby ensuring the coherence of the whole system. The swinging device can drive the bottom end of the conveying pipe 21 to reciprocatingly swing, thereby improving the uniformity of mixing the desulfurization waste liquid.

[0028] In one preferred scheme of the embodiment, the swinging device comprises a driving motor 12, a swing arm 13, a swinging piece, a shaft seat 24, a moving plate 16, a blocking column 22 and a blocking rod 15, the driving motor 12 is fixedly connected to the panel side of the desulfurization waste liquid storage tank 10, the swing arm 13 is fixedly connected with the output shaft of the driving motor 12 in a perpendicular manner, the shaft seat 24 is fixedly connected to the panel side of the desulfurization waste liquid storage tank 10, the swinging piece is sleeved on the outside of the shaft seat 24 and rotationally connected with the shaft seat 24, the moving plate 16 is slidingly connected with the vestibule 6, the bottom end of the conveying pipe 21 passes through and is connected with the moving plate 16, the blocking column 22 is fixedly connected with one end of the moving plate 16 in a perpendicular manner, the blocking rod is fixedly connected with the other end of the moving plate 16 in a perpendicular manner, the driving motor 12 can drive the swing arm 13 to circularly swing, the swing arm 13 can drive the moving plate 16 to left move on the vestibule 6 after the swing arm 13 swings to contact the blocking rod 15, the swing arm 13 can drive the swinging piece to rotate around the shaft seat 24 to make the other end of the swinging piece push the moving plate 16 to right move on the vestibule 6 after the swing arm 13 swings to contact one end of the swinging piece, and the swing arm 13 can drive the moving plate 16 to complete one-way reciprocation after one swing, the swinging device has a reasonable structure design, the left and right reciprocating movement of the moving plate 16 is realized through the cooperation of the driving motor 12, the swing arm 13, the swinging piece and other components, thereby driving the bottom end of the conveying pipe 21 to swing, and ensuring that the desulfurization waste liquid can be uniformly scattered on the matched coal.

[0029] In one preferred scheme of the embodiment, the swing member comprises the first swing lever 14, the second swing lever 23, a rotating member, the limiting block 25 and a reset member, the rotating member is sleeved outside the shaft seat 24, one end of the first swing lever 14 is fixedly connected with the rotating member, one end of the second swing lever 23 is fixedly connected with the rotating member, the first swing lever 14 and the second swing lever 23 are in L-shaped structure, the limiting block 25 is fixedly connected with the desulfurization waste liquid storage tank 10, one end of the reset member is used for being fixedly connected with the desulfurization waste liquid storage tank 10, and the other end is used for being connected with the rotating member to drive the first swing lever 14 to contact with the limiting block 25, the special structure design of the swing member can stably push the moving plate 16 to move left and right under the actions of the driving motor 12 and the reset member, and the reliability of the mixing device is ensured.

[0030] In one preferred scheme of the embodiment, the reset member is a torsion spring 26, one end of the torsion spring 26 is sleeved outside the shaft seat 24, one end of the torsion spring 26 is fixedly connected with the desulfurization waste liquid storage tank 10, and the other end is fixedly connected with the rotating member, after the swing arm 13 swings to contact with the first swing lever 14, the first swing lever 14 can be driven to rotate around the shaft seat 24 to enable the second swing lever 23 to push the moving plate 16 to move right on the corridor 6, after the swing arm 13 is separated from the first swing lever 14, the torsion spring 26 can drive the first swing lever 14 to rotate to contact with the limiting block 25, the torsion spring 26 is adopted as the reset member, the structure is simple, the cost is low, and the reset of the swing member can be quickly and effectively realized, and the continuous operation of the device is ensured.

[0031] In one preferred scheme of the embodiment, the length of the second swing lever 23 is greater than the length of the first swing lever 14, the length of the second swing lever 23 is less than the vertical distance between the shaft seat 24 and the moving plate 16, and the length of the swing arm 13 is greater than the vertical distance between the output shaft of the driving motor 12 and the top moving track of the stop lever 15, the lengths of the swing levers and the swing arm 13 are reasonably set, the movement track of the device meets the design requirements, the reciprocating swing of the bottom end of the conveying pipe 21 can be stably realized, and the mixing effect is improved.

[0032] In one preferred scheme of the embodiment, the desulfurization waste liquid mixing device further comprises a solenoid valve, the solenoid valve is arranged at the top of the conveying pipe 21 to control the opening or closing of the clinker pipe, the conveying pipe 21 is a flexible hose, the arrangement of the solenoid valve can conveniently control the outflow of the desulfurization waste liquid, and the conveying pipe 21 is a flexible hose, the flexibility and adaptability of the device are increased.

[0033] In a preferred scheme of the embodiment, the desulfurization waste liquid mixing device further comprises a desulfurization waste liquid tank 1, a slurry pump 8 and a feeding pipe 9, the desulfurization waste liquid tank 1 is used to receive the desulfurization waste liquid transported by the transport vehicle and can stir the desulfurization waste liquid, one end of the feeding pipe 9 is connected with and communicates with the bottom end of the desulfurization waste liquid tank 1, the other end is connected with and communicates with a desulfurization waste liquid storage tank 10, and the slurry pump 8 is arranged on the feeding pipe 9. The combination of the desulfurization waste liquid tank 1, the slurry pump 8 and the feeding pipe 9 realizes the functions of storage, stirring and conveying of the desulfurization waste liquid, and ensures that the desulfurization waste liquid can be smoothly conveyed from the desulfurization waste liquid tank 1 to the desulfurization waste liquid storage tank 10.

[0034] In a preferred scheme of the embodiment, the desulfurization waste liquid mixing device further comprises a stirring motor 5, a stirring rod 4 and a plurality of stirring blades 3, the stirring motor 5 is fixedly connected to the bottom of the desulfurization waste liquid tank 1, the stirring rod 4 is arranged in the desulfurization waste liquid tank 1 and one end of the stirring rod 4 is fixedly connected with the output shaft of the stirring motor 5 through the bottom of the desulfurization waste liquid tank 1, and each stirring blade 3 is fixedly connected with the stirring rod 4. The arrangement of the stirring motor 5, the stirring rod 4 and the stirring blades 3 can effectively prevent the solid particles in the desulfurization waste liquid from precipitating, thereby ensuring the fluidity of the desulfurization waste liquid.

[0035] In a preferred scheme of the embodiment, the desulfurization waste liquid mixing device further comprises a plurality of scrapers 2 and a plurality of connecting rods, the scrapers 2 are fixedly connected with the stirring rod 4 through the connecting rods, and the scrapers 2 are arranged in close contact with the inner wall of the desulfurization waste liquid tank 1. The arrangement of the scrapers 2 can scrape off the adhering substances on the inner wall of the desulfurization waste liquid tank 1, thereby further ensuring the fluidity of the desulfurization waste liquid and reducing the influence of the residues in the tank on the subsequent operation.

[0036] In a preferred scheme of the embodiment, the desulfurization waste liquid mixing device further comprises a scale 11 and two floats 27, the scale 11 is arranged on the inner wall of the desulfurization waste liquid storage tank 10, the two sides of the scale 11 are each provided with a float 27, and the sidewall of the desulfurization waste liquid storage tank 10 is provided with a transparent viewing window at the scale 11. The arrangement of the scale 11 and the floats 27 facilitates the operator to intuitively understand the liquid level in the desulfurization waste liquid storage tank 10, so as to timely adjust the running state of the device.

[0037] In a preferred scheme of the embodiment, the matching coal conveying device comprises a transfer belt 7, a belt frame 19 and two baffles 20, the transfer belt 7 is used to convey the matching coal, the belt frame 19 is used to support the transfer belt 7, and the two baffles 20 are arranged on the two sides of the belt frame 19. The design of the matching coal conveying device ensures that the matching coal can be stably conveyed, and the baffles 20 can prevent the desulfurization waste liquid from splashing out, thereby improving the safety and reliability of the device.

[0038] The principle and implementation mode of the utility model are described by applying specific examples, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A desulfurization wastewater mixing device, characterized in that: The utility model provides a kind of coal conveying device for desulfurization waste liquid, including: Corridor, the top of the corridor is provided with chute; Support, the support is arranged below the corridor to support the corridor, and the support can form the space for the matching coal conveying device to pass through below the chute, and the matching coal conveying device is used to transport matching coal; Desulfurization waste liquid storage tank, the desulfurization waste liquid storage tank is erected on the top of the corridor, and the desulfurization waste liquid storage tank is used to place desulfurization waste liquid; Feed pipe, the top end of the feed pipe is connected with the bottom of the desulfurization waste liquid storage tank and communicates, and the bottom end of the feed pipe is used to pass through the chute to sprinkle desulfurization waste liquid in the desulfurization waste liquid storage tank on the matching coal on the matching coal conveying device; And Swing device, the swing device is arranged on the panel side of the desulfurization waste liquid storage tank, and the swing device is used to drive the bottom end of the feed pipe to reciprocate on the chute to make the feed pipe sprinkle desulfurization waste liquid on the matching coal on the running belt.

2. The desulfurization waste liquid mixing device according to claim 1, characterized in that: The swing device includes a drive motor, a swing arm, a swing piece, a shaft seat, a moving plate, a blocking column and a blocking rod, the drive motor is fixedly connected to the panel side of the desulfurization waste liquid storage tank, the swing arm is fixedly connected with the output shaft of the drive motor, the shaft seat is fixedly connected to the panel side of the desulfurization waste liquid storage tank, the swing piece is sleeved outside the shaft seat and is rotationally connected with the shaft seat, the moving plate is slidingly connected with the corridor, the bottom end of the feed pipe passes through the moving plate and is connected with the moving plate, the blocking column is fixedly connected with one end of the moving plate, and the blocking rod is fixedly connected with the other end of the moving plate, the drive motor can drive the swing arm to make circumferential swing, the swing arm swings to contact the blocking rod, and then can drive the moving plate to move left on the corridor, the swing arm swings to contact one end of the swing piece, and then can drive the swing piece to rotate around the shaft seat so that the other end of the swing piece pushes the moving plate to move right on the corridor, and one cycle of the swing arm can drive the moving plate to complete reciprocation on one side.

3. The desulfurization waste liquid mixing device according to claim 2, characterized in that: The swing piece includes a first swing rod, a second swing rod, a rotating piece, a limiting block and a reset piece, the rotating piece is sleeved outside the shaft seat, one end of the first swing rod is fixedly connected with the rotating piece, one end of the second swing rod is fixedly connected with the rotating piece, the first swing rod and the second swing rod are in L-shaped structure, the limiting block is fixedly connected with the desulfurization waste liquid storage tank, one end of the reset piece is used to be fixedly connected with the desulfurization waste liquid storage tank, and the other end is used to be connected with the rotating piece to drive the first swing rod to contact the limiting block.

4. The desulfurization waste liquid mixing device according to claim 3, characterized in that: The reset piece is a torsion spring, one end of the torsion spring is sleeved outside the shaft seat, one end of the torsion spring is fixedly connected with the desulfurization waste liquid storage tank, and the other end is fixedly connected with the rotating piece, the swing arm swings to contact the first swing rod, and then can drive the first swing rod to rotate around the shaft seat so that the second swing rod pushes the moving plate to move right on the corridor, and after the swing arm and the first swing rod are disengaged, the torsion spring can drive the first swing rod to rotate to contact the limiting block.

5. The desulfurization waste liquid mixing device according to claim 4, characterized in that: The length of the second swing rod is greater than the length of the first swing rod, the length of the second swing rod is less than the vertical distance between the shaft seat and the moving plate, and the length of the swing arm is greater than the vertical distance between the output shaft of the driving motor and the top moving track of the stop lever.

6. The desulfurization waste liquid mixing device according to claim 5, characterized in that: The electromagnetic valve is arranged at the top of the conveying pipe to control the opening and closing of the conveying pipe.

7. The desulfurization waste liquid mixing device according to claim 6, characterized in that: The desulfurization waste liquid tank is used to receive the desulfurization waste liquid transported by the pulling vehicle and can stir the desulfurization waste liquid.

8. The desulfurization waste liquid mixing device according to claim 7, characterized in that: The feeding pipe is connected and communicated with the bottom end of the desulfurization waste liquid tank at one end and connected and communicated with the desulfurization waste liquid storage tank at the other end.

9. The desulfurization waste liquid mixing device according to claim 8, characterized in that: The stirring motor is fixedly connected to the bottom of the desulfurization waste liquid tank, the stirring rod is arranged in the desulfurization waste liquid tank, and one end of the stirring rod is fixedly connected with the output shaft of the stirring motor through the bottom of the desulfurization waste liquid tank.

10. The desulfurization waste liquid mixing device according to claim 9, characterized in that: The scraper is fixedly connected with the stirring rod through the connecting rod, and the scraper is arranged in close contact with the inner wall of the desulfurization waste liquid tank. The scale is arranged on the inner wall of the desulfurization waste liquid storage tank, the two sides of the scale are provided with the floating buoys, and the sidewall of the desulfurization waste liquid storage tank is provided with a transparent window for observation at the scale.

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