Zero-discharge crystallization and salt separation device for steel wastewater
By designing a zero-discharge crystallization and salt separation device for steel wastewater including dosing chamber, crystallization chamber and collection chamber, and using cleaning, stirring and rinsing mechanisms, the problem of reducing the crystallization and salt separation effect after long-term use is solved, and the efficiency and Environmental protection.
Patent Information
- Application Number
- CN202421307374.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-11
AI Technical Summary
After a long-term use of the existing zero-emission crystallization and salt separation device of steel wastewater, a large amount of crystallization will be attached to the box, resulting in a gradual reduction in the crystallization and salt separation effect and low efficiency.
A device including a dosing box, a crystallization box and a collection box is designed, and the crystallization box is cleaned using a first screw and a scraper, and the stirring and mixing of the agent and wastewater is achieved through a rotating shaft and a stirring rod, and through a second water pump and The fixed plate realizes the condensation and utilization of water vapor.
Through the use of the cleaning mechanism, the accumulation of crystallization in the crystal box is avoided, and the efficiency and effect of crystallization and salt separation are improved; the use of the stirring mechanism improves the mixing effect of the agent and wastewater; the use of the flushing mechanism realizes the condensation and circulation of water vapor Utilization, environmental protection and energy saving.
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of zero-discharge crystallization and salt separation of steel wastewater, in particular to a zero-discharge crystallization and salt separation device for steel wastewater. Background Art
[0002] Steel is often called ferrous metal, which is divided into raw (cast) iron, wrought iron and steel. Due to different production processes, the sources and properties of wastewater are also different. From the source, there are ironmaking workshop wastewater, steelmaking workshop wastewater and rolling workshop wastewater. These wastewaters need to be treated by crystallization and salt separation before they can be discharged. Steel wastewater is usually treated by adding chemicals and then heating for crystallization and salt separation.
[0003] In the existing zero-discharge crystallization and salt separation device for steel wastewater, many crystals will be attached to the box after crystallization and salt separation. With the long-term crystallization and salt separation operation, more and more crystals will be stored in the box, and the crystallization and salt separation effect of steel wastewater will become worse and worse, and the efficiency will be relatively low. Therefore, this patent proposes a zero-discharge crystallization and salt separation device for steel wastewater to solve such problems. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a zero-discharge crystallization and salt separation device for steel wastewater.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A zero-discharge crystallization and salt separation device for steel wastewater comprises a dosing box, a stirring mechanism for stirring and mixing chemicals and wastewater is arranged inside the dosing box, a crystallization box is arranged on one side of the dosing box, a cleaning mechanism for cleaning the four walls of the crystallization box is arranged inside the crystallization box, a moving mechanism for cleaning the crystals out of the crystallization box is arranged outside the crystallization box, a connecting pipe is horizontally fixedly connected to the top of the crystallization box, the other end of the connecting pipe is fixedly connected to a collecting box, the connecting pipe is connected to the crystallization box and the collecting box, and a flushing mechanism for cleaning the inside of the crystallization box is arranged inside the collecting box.
[0007] Preferably, the cleaning mechanism includes a first screw rod, which is rotatably connected to the top of the crystallization box and passes through the inner wall of the top of the crystallization box. A threaded sleeve is threadedly connected to the first screw rod, and four connecting rods are fixedly connected to the threaded sleeve. The four connecting rods are distributed in a circle, and a round tube is fixedly connected to the inner wall of the top of the crystallization box. Four rectangular grooves matching the connecting rods are opened on the round tube, and the other ends of the four connecting rods are fixedly connected to the same scraper.
[0008] Preferably, the stirring mechanism includes two rotating shafts, both of which are rotatably connected to the top of the medicine adding box, both of which pass through the inner wall of the top of the medicine adding box, and both of which are fixedly connected to multiple stirring rods, and the multiple stirring rods are equidistantly staggered and distributed around the circumference.
[0009] Preferably, the top ends of the two rotating shafts are fixedly connected to gears, the two gears are meshed with each other, the top end of one of the gears is fixedly connected to a first belt pulley, the top end of the first screw rod is fixedly connected to another first belt pulley, the same first belt is wound around the two first belt pulleys, the top end of the medicine adding box is fixedly connected to a gear box, the top end of the gear box is fixedly connected to a first motor, and the output end of the first motor is coaxially fixedly connected to the top end of one of the first belt pulleys.
[0010] Preferably, the moving mechanism includes a rotating drum, which is rotatably connected to the outer side of the crystallization box, a second screw rod is threadedly connected to the rotating drum, one end of the second screw rod is fixedly connected to a push plate, and the push plate is slidably connected to the inner wall of the bottom end of the crystallization box, one end of the rotating drum is fixedly connected to a second belt pulley, a fixed rod is fixedly connected to the outer side of the crystallization box, one end of the fixed rod is rotatably connected to another second belt pulley, the same second belt is wound around the two second belt pulleys, a fixed box is fixedly connected to the outer side of the crystallization box, a second motor is fixedly connected to the outer side of the fixed box, and the output end of the second motor is coaxially fixed to one end of one of the second belt pulleys.
[0011] Preferably, the flushing mechanism includes a second water pump, which is fixedly connected to the inner wall of the bottom end of the collecting box, a water outlet of the second water pump is fixedly connected to a fixed pipe, one end of the fixed pipe is fixedly connected to a diverter, both sides of the diverter are fixedly connected to water pipes, the other ends of the two water pipes are fixedly connected to a water tank, a plurality of nozzles are fixedly connected to the bottom of the two water tanks, and a fixed plate is vertically fixedly connected to the inner wall of the top end of the collecting box.
[0012] Preferably, a dosing port is provided at the top of the dosing box, a water inlet is provided at the top of the collecting box, a first water pump is fixedly connected to the top of the crystallization box, and a metal hose is fixedly connected to the water inlet and outlet of the first water pump.
[0013] The beneficial effects of the utility model are:
[0014] 1. The first screw rod and the scraper are provided to clean the inside of the crystallization box, thereby avoiding a large amount of crystals adhering to the crystallization box due to long-term crystallization and salt separation operation, thereby reducing the efficiency and effect of crystallization and salt separation, and improving the efficiency and effect of crystallization and salt separation.
[0015] 2. The rotating shaft and stirring rod are set to achieve stirring and mixing of the reagent and the steel wastewater, which can better treat the steel wastewater with the reagent and improve the crystallization efficiency of the steel wastewater.
[0016] 3. By setting up the second water pump and the fixed plate, the evaporated water vapor is condensed. The condensed water can be used to clean the inside of the crystallization box, realizing the utilization of water vapor, which is more environmentally friendly and energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a zero-discharge crystallization and salt separation device for steel wastewater proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of a zero-discharge crystallization and salt separation device for steel wastewater proposed by the utility model;
[0019] Figure 3 This is a schematic diagram of the gear structure of a zero-discharge crystallization and salt separation device for steel wastewater proposed by the utility model;
[0020] Figure 4 This is an enlarged schematic diagram of the structure at point A of a zero-discharge crystallization and salt separation device for steel wastewater proposed in the utility model.
[0021] In the figure: 1, dosing box; 2, dosing port; 3, crystallization box; 4, first water pump; 5, metal hose; 6, connecting pipe; 7, collecting box; 8, water inlet; 9, first belt pulley; 10, first belt; 11, gear box; 12, first motor; 13, rotating drum; 14, second screw rod; 15, second belt pulley; 16, second belt; 17, second motor; 18, fixed box; 19, push plate; 20, fixed rod; 21, round tube; 22, rectangular groove; 23, scraper; 24, water tank; 25, fixed plate; 26, second water pump; 27, rotating shaft; 28, stirring rod; 29, gear; 30, water pipe; 31, diverter; 32, first screw rod; 33, threaded sleeve; 34, connecting rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Reference Figure 1-4A zero-discharge crystallization and salt separation device for steel wastewater comprises a dosing box 1, a stirring mechanism for stirring and mixing reagents and wastewater is arranged inside the dosing box 1, a crystallization box 3 is arranged on one side of the dosing box 1, a cleaning mechanism for cleaning the four walls of the crystallization box 3 is arranged inside the crystallization box 3, a moving mechanism for cleaning the crystals out of the crystallization box 3 is arranged outside the crystallization box 3, a connecting pipe 6 is horizontally fixedly connected to the top of the crystallization box 3, and a collecting box 7 is fixedly connected to the other end of the connecting pipe 6, the connecting pipe 6 is connected to the crystallization box 3 and the collecting box 7, and a flushing mechanism for cleaning the inside of the crystallization box 3 is arranged inside the collecting box 7.
[0024] Among them, a zero-discharge crystallization and salt separation device for steel wastewater is provided, and the cleaning mechanism includes a first screw rod 32, which is rotatably connected to the top of the crystallization box 3, and the first screw rod 32 passes through the inner wall of the top of the crystallization box 3. A threaded sleeve 33 is threadedly connected to the first screw rod 32, and the threaded sleeve 33 is fixedly connected to four connecting rods 34. The four connecting rods 34 are distributed in a circle, and a round tube 21 is fixedly connected to the inner wall of the top of the crystallization box 3. Four rectangular grooves 22 compatible with the connecting rods 34 are opened on the round tube 21, and the other ends of the four connecting rods 34 are fixedly connected to the same scraper 23.
[0025] Among them, a zero-discharge crystallization and salt separation device for steel wastewater, the stirring mechanism includes a rotating shaft 27, there are two rotating shafts 27, the two rotating shafts 27 are rotatably connected to the top of the dosing box 1, the two rotating shafts 27 pass through the inner wall of the top of the dosing box 1, and multiple stirring rods 28 are fixedly connected to the two rotating shafts 27, and the multiple stirring rods 28 are equidistantly staggered and distributed in a circle.
[0026] Among them, a zero-discharge crystallization and salt separation device for steel wastewater is provided, the top ends of two rotating shafts 27 are fixedly connected with gears 29, the two gears 29 are meshed with each other, the top end of one of the gears 29 is fixedly connected with a first belt pulley 9, the top end of a first screw rod 32 is fixedly connected with another first belt pulley 9, a same first belt 10 is wound between the two first belt pulleys 9, the top end of a dosing box 1 is fixedly connected with a gear box 11, the top end of the gear box 11 is fixedly connected with a first motor 12, and the output end of the first motor 12 is coaxially fixedly connected to the top end of one of the first belt pulleys 9.
[0027] Among them, a zero-discharge crystallization and salt separation device for steel wastewater is provided, wherein the moving mechanism includes a rotating drum 13, which is rotatably connected to the outer side of a crystallization box 3, a second screw rod 14 is threadedly connected to the rotating drum 13, one end of the second screw rod 14 is fixedly connected to a push plate 19, the push plate 19 is slidably connected to the inner wall of the bottom end of the crystallization box 3, one end of the rotating drum 13 is fixedly connected to a second belt pulley 15, one side of the outer side of the crystallization box 3 is fixedly connected to a fixed rod 20, one end of the fixed rod 20 is rotatably connected to another second belt pulley 15, a same second belt 16 is wound between the two second belt pulleys 15, one side of the outer side of the crystallization box 3 is fixedly connected to a fixed box 18, one side of the outer side of the fixed box 18 is fixedly connected to a second motor 17, and the output end of the second motor 17 is coaxially fixed to one end of one of the second belt pulleys 15.
[0028] Among them, a zero-discharge crystallization and salt separation device for steel wastewater, the flushing mechanism includes a second water pump 26, the second water pump 26 is fixedly connected to the inner wall of the bottom end of the collecting box 7, the water outlet of the second water pump 26 is fixedly connected to a fixed pipe, one end of the fixed pipe is fixedly connected to a diverter 31, both sides of the diverter 31 are fixedly connected to water pipes 30, the other ends of the two water pipes 30 are fixedly connected to the water tank 24, a plurality of nozzles are fixedly connected to the bottom of the two water tanks 24, and a fixed plate 25 is vertically fixedly connected to the inner wall of the top end of the collecting box 7.
[0029] Among them, a zero-discharge crystallization and salt separation device for steel wastewater is provided, wherein a dosing port 2 is provided at the top of a dosing box 1, a water inlet 8 is provided at the top of a collecting box 7, a first water pump 4 is fixedly connected to the top of a crystallization box 3, and a metal hose 5 is fixedly connected to the water inlet and outlet of the first water pump 4.
[0030] Working principle: First, the steel wastewater is introduced into the dosing box 1 through the dosing port 2, and then the reagent is added. The first motor 12 can be turned on. As the first motor 12 is turned on, the two gears 29 and the first screw 32 are driven to rotate, and then the two rotating shafts 27 are driven to rotate, thereby driving the multiple stirring rods 28 to rotate, and the first water pump 4 is turned on. As the first water pump 4 is turned on, the wastewater in the dosing box 1 is introduced into the crystallization box 3, and then the crystallization box 3 is heated. A large amount of crystals will begin to crystallize inside the crystallization box 3, and the heated water vapor is introduced through the connecting pipe 6. In the collecting box 7, the water vapor will turn into water after encountering the cold fixed plate 25 and fall into the collecting box 7. As the first motor 12 rotates, the first screw 32 is driven to rotate, and then the scraper 23 is driven to move downward to scrape the crystals on the four walls of the crystallization box 3. Then the second motor 17 is turned on. As the second motor 17 is turned on, the rotating drum 13 is driven to rotate, and then the second screw 14 is driven to move, thereby driving the push plate 19 to move the crystals out of the crystallization box 3. Then the second water pump 26 is turned on. As the second water pump 26 is turned on, the water in the collecting box 7 is flushed into the crystallization box 3.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A zero-discharge crystallization and salt separation device for steel wastewater, comprising a dosing box (1), characterized in that: The dosing box (1) is provided with a stirring mechanism for stirring and mixing the reagent and the waste water, a crystallization box (3) is provided on one side of the dosing box (1), a cleaning mechanism for cleaning the four walls of the crystallization box (3) is provided inside the crystallization box (3), a moving mechanism for cleaning the crystals out of the crystallization box (3) is provided outside the crystallization box (3), a connecting pipe (6) is fixedly connected horizontally to the top of the crystallization box (3), the other end of the connecting pipe (6) is fixedly connected to a collecting box (7), the connecting pipe (6) is connected to the crystallization box (3) and the collecting box (7), and a flushing mechanism for cleaning the inside of the crystallization box (3) is provided inside the collecting box (7).
2. A zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 1, characterized in that: The cleaning mechanism comprises a first screw rod (32), the first screw rod (32) is rotatably connected to the top end of the crystallization box (3), the first screw rod (32) passes through the inner wall of the top end of the crystallization box (3), a threaded sleeve (33) is threadedly connected to the first screw rod (32), the threaded sleeve (33) is fixedly connected to four connecting rods (34), the four connecting rods (34) are distributed in a circle, the inner wall of the top end of the crystallization box (3) is fixedly connected to a round tube (21), the round tube (21) is provided with four rectangular grooves (22) adapted to the connecting rods (34), and the other ends of the four connecting rods (34) are fixedly connected to the same scraper (23).
3. A zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 2, characterized in that: The stirring mechanism comprises a rotating shaft (27), wherein there are two rotating shafts (27), both of which are rotatably connected to the top of the dosing box (1), and both of which pass through the inner wall of the top of the dosing box (1). Both of the rotating shafts (27) are fixedly connected to a plurality of stirring rods (28), and the plurality of stirring rods (28) are equidistantly staggered and distributed on a circle.
4. A zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 3, characterized in that: The top ends of the two rotating shafts (27) are fixedly connected with gears (29), the two gears (29) are meshed with each other, the top end of one of the gears (29) is fixedly connected with a first belt pulley (9), the top end of the first screw rod (32) is fixedly connected with another first belt pulley (9), a same first belt (10) is wound between the two first belt pulleys (9), the top end of the medicine adding box (1) is fixedly connected with a gear box (11), the top end of the gear box (11) is fixedly connected with a first motor (12), and the output end of the first motor (12) is coaxially fixedly connected to the top end of one of the first belt pulleys (9).
5. The zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 1, characterized in that: The moving mechanism comprises a rotating drum (13), wherein the rotating drum (13) is rotatably connected to an outer side of a crystallization box (3), a second screw rod (14) is threadedly connected to the rotating drum (13), one end of the second screw rod (14) is fixedly connected to a push plate (19), and the push plate (19) is slidably connected to the inner wall of the bottom end of the crystallization box (3), one end of the rotating drum (13) is fixedly connected to a second belt pulley (15), one side of the outer side of the crystallization box (3) is fixedly connected to a fixed rod (20), one end of the fixed rod (20) is rotatably connected to another second belt pulley (15), and the same second belt (16) is wound between the two second belt pulleys (15), one side of the outer side of the crystallization box (3) is fixedly connected to a fixed box (18), one side of the outer side of the fixed box (18) is fixedly connected to a second motor (17), and the output end of the second motor (17) is coaxially fixed to one end of one of the second belt pulleys (15).
6. A zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 1, characterized in that: The flushing mechanism comprises a second water pump (26), the second water pump (26) is fixedly connected to the inner wall of the bottom end of the collection box (7), the water outlet of the second water pump (26) is fixedly connected to a fixed pipe, one end of the fixed pipe is fixedly connected to a diverter (31), both sides of the diverter (31) are fixedly connected to water pipes (30), the other ends of the two water pipes (30) are fixedly connected to a water tank (24), a plurality of nozzles are fixedly connected to the bottom of the two water tanks (24), and a fixed plate (25) is vertically fixedly connected to the inner wall of the top end of the collection box (7).
7. The zero-discharge crystallization and salt separation device for iron and steel wastewater according to claim 1, characterized in that: The top of the drug adding box (1) is provided with a drug adding port (2), the top of the collecting box (7) is provided with a water adding port (8), the top of the crystallization box (3) is fixedly connected to a first water pump (4), and the water inlet and the water outlet of the first water pump (4) are both fixedly connected to a metal hose (5).