A kind of continuous automatic treatment equipment and method of sulfur-containing waste liquid
By designing the filter pressing mechanism and infusion mechanism for the continuous automatic disposal equipment for sulfur-containing waste liquid, the problem of difficulty in extracting the subsided waste liquid is solved, the treatment efficiency is improved, and solid-liquid separation is achieved.
Patent Information
- Application Number
- CN202411545636.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2044-11-01
AI Technical Summary
During the treatment of sulfur-containing waste liquid, it is difficult to effectively extract the sinking waste liquid into the evaporator, resulting in poor treatment effect.
A continuous automatic disposal equipment for sulfur-containing waste liquids is designed, including a filter pressing mechanism, an infusion mechanism and an evaporator. Through the downward movement of the platen of the filter pressing mechanism and the design of the infusion mechanism, effective treatment of the subsided waste liquid and solid-liquid separation are achieved.
It effectively prevents the waste liquid from sinking during the filtration process, improves the treatment efficiency of the waste liquid, ensures that the supernatant can be transported to the evaporator smoothly, and achieves the final solid-liquid separation.
Smart Images

Figure CN119059704B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of separation, and in particular to a continuous automated disposal device and method for sulfur-containing waste liquid. Background Art
[0002] For the oil refining, petrochemical, pharmaceutical, fuel, leather and other industries, a large amount of wastewater containing sulfur ions, that is, sulfur-containing wastewater, is generated during the production process. Sulfur-containing wastewater is a common type of industrial production. Wastewater containing sulfide is highly toxic and corrosive. The sulfur element in the wastewater exists in various forms. The most harmful is hydrogen sulfide. Wastewater with high sulfide content can corrode metal pipes and equipment, causing great economic losses to production. In addition, when microorganisms exist in the storage environment of sulfur-containing wastewater, sulfate-reducing bacteria will be produced. This microorganism can reduce sulfate to sulfide or hydrogen sulfide, increasing the acidity of the wastewater and the harm to the environment.
[0003] When treating sulfur-containing waste liquid, it is usually treated by neutralization and precipitation, and the neutralized waste liquid is treated by solid-liquid separation. During the separation process, the waste liquid is usually pressed and filtered by filter pressing, and the filtered waste liquid is transported to the inside of the evaporator to evaporate the waste water. However, as the pressure plate moves downward, the waste liquid will sink, so that the sunken waste liquid cannot be effectively extracted into the evaporator, thereby affecting the treatment effect of the waste liquid. Summary of the invention
[0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] A continuous automated disposal device for sulfur-containing waste liquid comprises a tank body, wherein a first regulating tank, a reaction tank, a flocculation tank, a second regulating tank and a sedimentation tank are sequentially arranged on the top of the tank body, and the bottom of the first regulating tank is higher than the bottom of the reaction tank, and the bottom of the flocculation tank is higher than the bottom of the second regulating tank, a drainage port is arranged between the first regulating tank and the reaction tank and between the flocculation tank and the second regulating tank, and a conduit is arranged on the inner wall of the two drainage ports, one end of the conduit is connected to a solenoid valve via a flange, an evaporator is connected to one side of the tank body via bolts, and an infusion mechanism is arranged between the evaporator and the sedimentation tank, a condenser is arranged on one side of the evaporator near the top, a filter press mechanism is arranged inside the sedimentation tank, a slag discharge port is arranged at the bottom of the sedimentation tank, and a sealing plug is arranged on the inner wall of the slag discharge port.
[0006] Preferably, the filter press mechanism includes a fixed plate, a motor, a rotating shaft, a pressure plate and filter cotton, and the filter cotton is located between the bottom of the pressure plate and the sedimentation tank, the two sides of the bottom of the fixed plate are connected to the top of the sedimentation tank by bolts, the top of the rotating shaft and the fixed plate are rotatably connected by a bearing, the top of the fixed plate is connected to the motor by bolts, one end of the motor is fixedly connected to the top of the rotating shaft, the top of the pressure plate and the top of the filter cotton are both penetrated by through holes, the outer wall of the rotating shaft is provided with an external thread near the bottom, the inner wall of the through hole is provided with an internal thread matching the external thread, a plurality of connecting grooves are provided on both sides and the top of the pressure plate, and the inner wall of the connecting groove is provided with a filter plate.
[0007] Preferably, the infusion mechanism includes a pump, a tube body, a liquid outlet pipe, a bellows and a third inlet pipe, and the bottom of the pump is fixedly connected to the top of the evaporator, one end of the liquid outlet pipe is connected to the pump by a flange, the other end of the liquid outlet pipe is located inside the evaporator, one end of the tube body is connected to the pump by a flange, both ends of the bellows are respectively connected to the bottom of the tube body and the top of the third inlet pipe by flanges, a sleeve is fixedly sleeved on the outer wall of the third inlet pipe, and a connecting shaft is fixedly connected between the two sides of the sleeve and one of the filter plates.
[0008] Preferably, the inner walls on both sides of the sedimentation tank are connected to positioning rails by bolts, and the inner walls of the positioning rails are slidably connected to positioning blocks. Slots are opened on both sides of the pressure plate, the slots are slidably connected to the positioning rails, and one side of the positioning block is fixedly connected to the slot.
[0009] Preferably, a pad is connected between the top of the reaction tank and the top of the flocculation tank by bolts, and a first conveying mechanism is arranged on the top of the pad, the first conveying mechanism consists of a first pump body, a first inlet pipe and a first row of pipes, and the bottom of the first pump body is fixedly connected to the top of the pad, one end of the first inlet pipe is connected to the first pump body by a flange, and the other end of the first inlet pipe is located inside the reaction tank, one end of the first row of pipes is connected to the first pump body by a flange, and the other end of the first row of pipes is located inside the flocculation tank.
[0010] Preferably, a support plate is arranged between the top of the second regulating tank and the top of the sedimentation tank, and a second conveying mechanism is arranged on the top of the support plate, the second conveying mechanism is composed of a second pump body, a second inlet pipe and a second row of pipes, and the bottom of the second pump body is fixedly connected to the top of the support plate, the two ends of the second pump body are respectively connected to the second inlet pipe and the second row of pipes through flanges, the bottom of the second inlet pipe is located inside the second regulating tank, and the other end of the second row of pipes is located inside the sedimentation tank, a connecting hole is opened between the top of the pressure plate and the top of the filter cotton, and the connecting hole is slidably connected to the outer wall of the second row of pipes.
[0011] Preferably, a mixing mechanism is provided on one side of the flocculation tank, and the mixing mechanism cooperates with the first conveying mechanism.
[0012] Preferably, the mixing mechanism includes a mixing assembly and a swinging plate, and one side of the swinging plate is connected to the inner wall of the flocculation tank by a hinge, the mixing assembly is located between the swinging plate and the first conveying mechanism, the mixing assembly is composed of a rotating rod, a connecting sleeve and a plurality of stirring blades, and the two ends of the rotating rod are rotatably connected to the inner wall of the flocculation tank by bearings, the connecting sleeve is fixedly sleeved on the outer wall of the rotating rod, and the plurality of stirring blades are equidistantly fixed on the outer wall of the connecting sleeve, both sides of the outer wall of the rotating rod are provided with protrusions, the outer walls of the two protrusions are rotatably sleeved with shaft sleeves, and a push rod is connected between the shaft sleeve and the swinging plate by a hinge.
[0013] A method for continuous and automated disposal of sulfur-containing waste liquid, comprising the following specific steps:
[0014] S1: adding the sulfur-containing waste liquid into the first regulating tank, adding the acid solution into the first regulating tank, making the sulfur-containing waste liquid and the acid solution contact, setting the pH value of the agent to 9.5-10.5, and the adjusted sulfur-containing waste liquid enters the interior of the reaction tank through the conduit;
[0015] S2: adding sodium hypochlorite, an oxidant, to the bottom of the reaction tank to react with the sulfur-containing waste liquid, and discharging the reaction liquid reaching the control potential into the interior of the flocculation tank through the first conveying mechanism;
[0016] S3: The reaction liquid enters the flocculation tank, and the flocculant is added. The suspended matter is fully flocculated through the mixing mechanism, and the flocculated liquid after flocculation enters the second regulating tank through the bottom conduit;
[0017] S4: Acid solution is added to the bottom of the second regulating tank, and the pH agent is set to 8.5-9. The adjusted flocculant liquid enters the sedimentation tank through the second conveying mechanism;
[0018] S5: The regulating liquid enters the sedimentation tank for preliminary solid-liquid separation, and the regulating liquid is subjected to filter pressing by the filter pressing mechanism. The supernatant is transported to the inside of the evaporator through the filter plate under the action of the infusion mechanism, and the residue is discharged through the slag discharge port;
[0019] S6: The supernatant enters the evaporator and evaporates to achieve the final solid-liquid separation. The distillate can be biochemically disposed and the crystallized salt can be safely disposed.
[0020] The beneficial effects of the present invention are:
[0021] The present invention provides a filter press mechanism, a liquid infusion mechanism and an evaporator. When the sulfur-containing waste liquid is treated, the neutralized waste liquid will be transported to the inside of the sedimentation tank through the second conveying mechanism. At this time, the filter press mechanism is started, the motor will drive the rotating shaft to rotate, and the pressure plate will move downward through the cooperation between the external thread and the internal thread, so that the filter press cotton is squeezed by the pressure plate, so as to facilitate the filter press treatment of the waste liquid, thereby facilitating the solid-liquid separation treatment of the waste liquid. The separated supernatant will be transported to the inside of the evaporator through the liquid infusion mechanism, and the evaporated distilled water will be condensed through the condenser. During this period, when the pressure plate moves downward, the third inlet pipe is synchronously moved downward with the downward movement of the pressure plate through the cooperation of the connecting shaft, the sleeve and the bellows, so as to facilitate the treatment of the sinking waste liquid, and prevent the waste liquid from sinking during the filter press process, resulting in the third inlet pipe being unable to effectively extract and treat the waste liquid deposited at the bottom of the sedimentation tank, thereby affecting the treatment efficiency of the waste liquid.
[0022] The present invention provides a first conveying mechanism and a mixing mechanism. When the sulfur-containing waste liquid in the reaction tank is conveyed to the inside of the flocculation tank through the first conveying mechanism, since one end of the first row of pipes is inclined toward the position of the mixing mechanism, the sulfur-containing waste liquid will act on the stirring blades under the guidance of the first row of pipes. At this time, the stirring blades will drive the rotating rod to rotate under the impact of the sulfur-containing waste liquid, so that the sulfur-containing waste liquid and the flocculant are mixed and treated by the stirring blades, so as to improve the flocculation effect of the sulfur-containing waste liquid. During the rotation of the rotating rod, the protrusion will rotate with the rotation of the rotating rod, and the push rod will drive the swing plate to reciprocate under the action of the shaft sleeve and the protrusion, so as to facilitate further stirring of the sulfur-containing waste liquid and the coagulant, improve the flocculation effect of the sulfur-containing waste liquid, and then improve the treatment effect of the sulfur-containing waste liquid, and prevent the poor mixing effect of the sulfur-containing waste liquid and the flocculant from resulting in a poor treatment effect of the sulfur-containing waste liquid, thereby affecting the continuous treatment efficiency of the sulfur-containing waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the structure of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0024] Figure 2 This is a schematic diagram of the main structure of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0025] Figure 3 This is a schematic cross-sectional view of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0026] Figure 4 A schematic diagram of the structure of a mixing mechanism of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0027] Figure 5A schematic diagram of the partial structure of a mixing mechanism of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0028] Figure 6 This is a schematic diagram of the structure of a filter press mechanism of a continuous automated treatment device for sulfur-containing waste liquid proposed by the present invention;
[0029] Figure 7 This is a partial structural schematic diagram of a continuous automated disposal device for sulfur-containing waste liquid proposed by the present invention.
[0030] In the attached drawings: 1, tank body; 2, first regulating tank; 3, reaction tank; 4, pad; 5, flocculation tank; 6, first conveying mechanism; 7, second regulating tank; 8, sedimentation tank; 9, infusion mechanism; 10, evaporator; 11, condenser; 12, support plate; 13, second conveying mechanism; 14, positioning rail; 15, conduit; 16, solenoid valve; 17, filter press mechanism; 18, mixing mechanism; 19, first pump body; 20, first inlet pipe; 21, first row of pipes; 22, swing plate; 23, mixing assembly; 24 , rotating rod; 25, connecting sleeve; 26, stirring blade; 27, raised part; 28, bushing; 29, push rod; 30, second pump body; 31, second inlet pipe; 32, second row of pipes; 33, fixing plate; 34, pressing plate; 35, filter press cotton; 36, notch; 37, positioning block; 38, connecting groove; 39, filter plate; 40, motor; 41, rotating shaft; 42, external thread; 43, pump; 44, pipe body; 45, liquid outlet pipe; 46, bellows; 47, third inlet pipe; 48, sleeve; 49, connecting shaft. DETAILED DESCRIPTION
[0031] Example 1, reference Figure 1-Figure 7 A continuous automated disposal device for sulfur-containing waste liquid comprises a tank body 1, wherein a first regulating tank 2, a reaction tank 3, a flocculation tank 5, a second regulating tank 7 and a sedimentation tank 8 are sequentially provided on the top of the tank body 1, and the bottom of the first regulating tank 2 is higher than the bottom of the reaction tank 3, and the bottom of the flocculation tank 5 is higher than the bottom of the second regulating tank 7, and drainage ports are provided between the first regulating tank 2 and the reaction tank 3 and between the flocculation tank 5 and the second regulating tank 7, and conduits 15 are provided on the inner walls of the two drainage ports, and one end of the conduit 15 is connected to a solenoid valve 16 through a flange, an evaporator 10 is connected to one side of the tank body 1 through bolts, and an infusion mechanism 9 is provided between the evaporator 10 and the sedimentation tank 8, a condenser 11 is provided near the top of one side of the evaporator 10, a filter press mechanism 17 is provided inside the sedimentation tank 8, a slag discharge port is provided at the bottom of the sedimentation tank 8, and a sealing plug is provided on the inner wall of the slag discharge port.
[0032] On the basis of the above, the filter press mechanism 17 includes a fixed plate 33, a motor 40, a rotating shaft 41, a pressing plate 34 and a filter press cotton 35, and the filter press cotton 35 is located between the bottom of the pressing plate 34 and the sedimentation tank 8, the two sides of the bottom of the fixed plate 33 are connected to the top of the sedimentation tank 8 by bolts, the top of the rotating shaft 41 is rotatably connected to the fixed plate 33 by a bearing, the top of the fixed plate 33 is connected to the motor 40 by bolts, one end of the motor 40 is fixedly connected to the top of the rotating shaft 41, the top of the pressing plate 34 and the top of the filter press cotton 35 are both penetrated by through holes, the outer wall of the rotating shaft 41 is provided with an external thread 42 near the bottom, the inner wall of the through hole is provided with an internal thread matched with the external thread 42, a plurality of connecting grooves 38 are provided on both sides and the top of the pressing plate 34, and the inner wall of the connecting groove 38 is provided with a filter plate 39, which is convenient for filter press treatment of the waste liquid, thereby facilitating solid-liquid separation treatment of the waste liquid.
[0033] On the basis of the above, the infusion mechanism 9 includes a pump 43, a tube body 44, a liquid outlet pipe 45, a bellows 46 and a third inlet pipe 47, and the bottom of the pump 43 is fixedly connected to the top of the evaporator 10, one end of the liquid outlet pipe 45 is connected to the pump 43 by a flange, the other end of the liquid outlet pipe 45 is located inside the evaporator 10, one end of the tube body 44 is connected to the pump 43 by a flange, the two ends of the bellows 46 are respectively connected to the bottom of the tube body 44 and the top of the third inlet pipe 47 by flanges, the outer wall of the third inlet pipe 47 is fixedly sleeved with a sleeve 48, and the two sides of the sleeve 48 are fixedly connected to one of the filter plates 39 with a connecting shaft 49, which is convenient for processing the sinking waste liquid and preventing the waste liquid from sinking during the filter press process, resulting in the third inlet pipe 47 being unable to effectively extract and process the waste liquid deposited at the bottom of the sedimentation tank 8, thereby affecting the waste liquid treatment efficiency.
[0034] On the basis of the above, the inner walls on both sides of the sedimentation tank 8 are connected with the positioning rails 14 by bolts, and the inner walls of the positioning rails 14 are slidably connected with the positioning blocks 37. Slots 36 are opened on both sides of the pressure plate 34, and the slots 36 are slidably connected to the positioning rails 14. One side of the positioning block 37 is fixedly connected to the slot 36.
[0035] On the basis of the above, a pad 4 is connected between the top of the reaction tank 3 and the top of the flocculation tank 5 by bolts, and a first conveying mechanism 6 is arranged on the top of the pad 4. The first conveying mechanism 6 consists of a first pump body 19, a first inlet pipe 20 and a first row of pipes 21, and the bottom of the first pump body 19 is fixedly connected to the top of the pad 4, one end of the first inlet pipe 20 is connected to the first pump body 19 by a flange, and the other end of the first inlet pipe 20 is located inside the reaction tank 3, one end of the first row of pipes 21 is connected to the first pump body 19 by a flange, and the other end of the first row of pipes 21 is located inside the flocculation tank 5.
[0036] On the basis of the above, a support plate 12 is arranged between the top of the second regulating tank 7 and the top of the sedimentation tank 8, and a second conveying mechanism 13 is arranged on the top of the support plate 12. The second conveying mechanism 13 is composed of a second pump body 30, a second inlet pipe 31 and a second row of pipes 32, and the bottom of the second pump body 30 is fixedly connected to the top of the support plate 12, and the two ends of the second pump body 30 are respectively connected to the second inlet pipe 31 and the second row of pipes 32 through flanges. The bottom of the second inlet pipe 31 is located inside the second regulating tank 7, and the other end of the second row of pipes 32 is located inside the sedimentation tank 8. A connecting hole is opened between the top of the pressure plate 34 and the top of the filter cotton 35, and the connecting hole is slidably connected to the outer wall of the second row of pipes 32.
[0037] Example 2, reference Figure 1-Figure 7 , a continuous automated disposal device for sulfur-containing waste liquid. Compared with Example 1, on the basis of Example 1, a mixing mechanism 18 is provided on one side of the flocculation tank 5, and the mixing mechanism 18 is matched with the first conveying mechanism 6.
[0038] On the basis of the above, the mixing mechanism 18 includes a mixing assembly 23 and a swing plate 22, and one side of the swing plate 22 is connected to the inner wall of the flocculation tank 5 by a hinge, the mixing assembly 23 is located between the swing plate 22 and the first conveying mechanism 6, the mixing assembly 23 is composed of a rotating rod 24, a connecting sleeve 25 and a plurality of stirring blades 26, and the two ends of the rotating rod 24 are rotatably connected to the inner wall of the flocculation tank 5 by bearings, the connecting sleeve 25 is fixedly sleeved on the outer wall of the rotating rod 24, and the plurality of stirring blades 26 are equidistantly fixed on the connecting sleeve 25. On the outer wall of the connecting sleeve 25, protrusions 27 are provided on both sides of the outer wall of the rotating rod 24, and the outer walls of the two protrusions 27 are rotatably sleeved with shaft sleeves 28, and a push rod 29 is connected between the shaft sleeve 28 and the swing plate 22 through a hinge, which is convenient for further stirring the sulfur-containing waste liquid and the coagulant, thereby improving the flocculation effect of the sulfur-containing waste liquid, and then improving the treatment effect of the sulfur-containing waste liquid, preventing the poor mixing effect of the sulfur-containing waste liquid and the flocculant from resulting in poor treatment effect of the sulfur-containing waste liquid, thereby affecting the continuous treatment efficiency of the sulfur-containing waste liquid.
[0039] A method for continuous and automated disposal of sulfur-containing waste liquid, comprising the following specific steps:
[0040] S1: adding the sulfur-containing waste liquid into the first regulating tank 2, adding the acid solution into the first regulating tank 2, so that the sulfur-containing waste liquid and the acid solution are in contact, the pH agent is set to 9.5-10.5, and the adjusted sulfur-containing waste liquid enters the interior of the reaction tank 3 through the conduit 15;
[0041] S2: adding an oxidant, sodium hypochlorite, to the bottom of the reaction tank 3 to react with the sulfur-containing waste liquid, and discharging the reaction liquid reaching the control potential into the flocculation tank 5 through the first conveying mechanism 6;
[0042] S3: The reaction liquid enters the flocculation tank 5, and the flocculant is added. The suspended matter is fully flocculated through the mixing mechanism 18, and the flocculated liquid after flocculation enters the second regulating tank 7 through the bottom conduit 15;
[0043] S4: Acid solution is added to the bottom of the second regulating tank 7, and the pH agent is set to 8.5-9. The adjusted flocculant liquid enters the sedimentation tank 8 through the second conveying mechanism 13;
[0044] S5: The regulated liquid enters the sedimentation tank 8 for preliminary solid-liquid separation, and the regulated liquid is subjected to filter pressing by the filter pressing mechanism 17. The supernatant is transported to the inside of the evaporator 10 through the filter plate 39 under the action of the infusion mechanism 9, and the residue is discharged through the residue discharge port;
[0045] S6: The supernatant enters the evaporator 10 and evaporates to achieve the final solid-liquid separation. The distillate can be biochemically disposed and the crystallized salt can be safely disposed.
[0046] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A continuous automated treatment device for sulfur-containing waste liquid, comprising a tank body (1), characterized in that: The top of the tank body (1) is provided with a first regulating tank (2), a reaction tank (3), a flocculation tank (5), a second regulating tank (7) and a sedimentation tank (8) in sequence, and the bottom of the first regulating tank (2) is higher than the bottom of the reaction tank (3), and the bottom of the flocculation tank (5) is higher than the bottom of the second regulating tank (7). A drainage port is provided between the first regulating tank (2) and the reaction tank (3) and between the flocculation tank (5) and the second regulating tank (7), and a conduit (15) is provided on the inner wall of the two drainage ports, and one end of the conduit (15) is connected to a solenoid valve (16) via a flange. An evaporator (10) is connected to one side of the tank body (1) via bolts, and an infusion mechanism (9) is provided between the evaporator (10) and the sedimentation tank (8). A condenser (11) is provided at a position near the top of one side of the evaporator (10), a filter press mechanism (17) is provided inside the sedimentation tank (8), a slag discharge port is provided at the bottom of the sedimentation tank (8), and a sealing plug is provided on the inner wall of the slag discharge port. The filter press mechanism (17) comprises a fixed plate (33), a motor (40), a rotating shaft (41), a pressing plate (34) and filter press cotton (35), and the filter press cotton (35) is located between the bottom of the pressing plate (34) and the sedimentation tank (8), the two sides of the bottom of the fixed plate (33) are connected to the top of the sedimentation tank (8) by bolts, the top of the rotating shaft (41) and the fixed plate (33) are rotatably connected by a bearing, the top of the fixed plate (33) and the motor (40) are connected by bolts, and the motor (41) is connected to the fixed plate (33) by a rotating shaft (41). One end of the pressure plate (40) is fixedly connected to the top of the rotating shaft (41), the top of the pressure plate (34) and the top of the filter cotton (35) are penetrated by through holes, the outer wall of the rotating shaft (41) is provided with an external thread (42) near the bottom, and the inner wall of the through hole is provided with an internal thread matched with the external thread (42), and the two sides and the top of the pressure plate (34) are provided with a plurality of connecting grooves (38), and the inner wall of the connecting groove (38) is provided with a filter plate (39), and the infusion mechanism (9) includes a pump (43), a pipe body (44), a liquid outlet pipe (45), a bellows (46) and a third inlet pipe (47), and the bottom of the pump (43) is fixedly connected to the top of the evaporator (10), and one end of the liquid outlet pipe (45) is connected to the pump (43) by a flange. The other end of the liquid outlet pipe (45) is located inside the evaporator (10), one end of the tube body (44) is connected to the pump (43) via a flange, the two ends of the bellows (46) are respectively connected to the bottom of the tube body (44) and the top of the third inlet pipe (47) via flanges, a sleeve (48) is fixedly sleeved on the outer wall of the third inlet pipe (47), and a connecting shaft (49) is fixedly connected between the two sides of the sleeve (48) and one of the filter plates (39), a pad (4) is connected between the top of the reaction tank (3) and the top of the flocculation tank (5) via bolts, and a first conveying mechanism (6) is arranged on the top of the pad (4), and the first conveying mechanism (6) is composed of a first pump body (19), a first inlet pipe (20) and a first row of pipes (21).The bottom of the first pump body (19) is fixedly connected to the top of the pad (4), one end of the first inlet pipe (20) is connected to the first pump body (19) by a flange, and the other end of the first inlet pipe (20) is located inside the reaction tank (3), one end of the first row of pipes (21) is connected to the first pump body (19) by a flange, and the other end of the first row of pipes (21) is located inside the flocculation tank (5), a mixing mechanism (18) is provided on one side of the flocculation tank (5), and the mixing mechanism (18) is matched with the first conveying mechanism (6), and the mixing mechanism (18) includes a mixing component (23) and a swing plate (22), and one side of the swing plate (22) is connected to the inner wall of the flocculation tank (5). The mixing assembly (23) is located between the swing plate (22) and the first conveying mechanism (6) through a hinge connection. The mixing assembly (23) is composed of a rotating rod (24), a connecting sleeve (25) and a plurality of stirring blades (26). The two ends of the rotating rod (24) are rotatably connected to the inner wall of the flocculation tank (5) through bearings. The connecting sleeve (25) is fixedly sleeved on the outer wall of the rotating rod (24). The plurality of stirring blades (26) are fixedly sleeved on the outer wall of the connecting sleeve (25) at equal distances. Both sides of the outer wall of the rotating rod (24) are provided with protrusions (27). The outer walls of the two protrusions (27) are rotatably sleeved with shaft sleeves (28). A push rod (29) is connected between the shaft sleeve (28) and the swing plate (22) through a hinge.
2. The continuous automated treatment equipment for sulfur-containing waste liquid according to claim 1, characterized in that: The inner walls of the sedimentation tank (8) on both sides opposite to each other are connected to positioning rails (14) by bolts, and the inner walls of the positioning rails (14) are slidably connected to positioning blocks (37), and notches (36) are provided on both sides of the pressure plate (34), the notches (36) are slidably connected to the positioning rails (14), and one side of the positioning block (37) is fixedly connected to the notch (36).
3. The continuous automated treatment equipment for sulfur-containing waste liquid according to claim 1, characterized in that: A support plate (12) is provided between the top of the second regulating tank (7) and the top of the sedimentation tank (8), and a second conveying mechanism (13) is provided on the top of the support plate (12). The second conveying mechanism (13) is composed of a second pump body (30), a second inlet pipe (31) and a second row of pipes (32). The bottom of the second pump body (30) is fixedly connected to the top of the support plate (12). The two ends of the second pump body (30) are respectively connected to the second inlet pipe (31) and the second row of pipes (32) through flanges. The bottom of the second inlet pipe (31) is located inside the second regulating tank (7), and the other end of the second row of pipes (32) is located inside the sedimentation tank (8). A connecting hole is provided between the top of the pressure plate (34) and the top of the filter cotton (35), and the connecting hole is slidably connected to the outer wall of the second row of pipes (32).
4. A method for continuous automated disposal of sulfur-containing waste liquid, characterized in that: The continuous automated treatment equipment for sulfur-containing waste liquid according to any one of claims 1 to 3, wherein the specific steps are: S1: adding the sulfur-containing waste liquid into the first regulating tank (2), adding the acid solution into the first regulating tank (2), so that the sulfur-containing waste liquid and the acid solution are in contact, setting the pH value of the agent to 9.5-10.5, and the adjusted sulfur-containing waste liquid enters the interior of the reaction tank (3) through the conduit (15); S2: adding an oxidizing agent, sodium hypochlorite, to the bottom of the reaction tank (3) to react with the sulfur-containing waste liquid, and discharging the reaction liquid that has reached the controlled potential into the interior of the flocculation tank (5) through the first conveying mechanism (6); S3: the reaction liquid enters the flocculation tank (5), a flocculant is added, and the suspended matter is fully flocculated through the mixing mechanism (18). The flocculated flocculated liquid enters the second regulating tank (7) through the bottom conduit (15); S4: adding acid solution to the bottom of the second regulating tank (7), setting the pH value to 8.5-9, and the adjusted flocculant liquid enters the sedimentation tank (8) through the second conveying mechanism (13); S5: the regulated liquid enters the sedimentation tank (8) for preliminary solid-liquid separation, and the regulated liquid is subjected to filter pressing treatment by the filter pressing mechanism (17). The supernatant is transported to the inside of the evaporator (10) through the filter plate (39) under the action of the liquid infusion mechanism (9), and the residue is discharged through the residue discharge port; S6: The supernatant enters the evaporator (10) and evaporates to achieve the final solid-liquid separation, the distillate is biochemically treated, and the crystallized salt is safely disposed.
Citation Information
Patent Citations
Anti-corrosion water-based paint process system and waste liquid treatment process thereof
CN111875097A
environmentally friendly, mixed treatment system for waste water
DE212018000012U1