Dust removal and desulfurization wastewater recovery device for industrial boiler

Abstract

The utility model discloses a dust removal and desulfurization wastewater recovery device for an industrial boiler, and relates to the field of wastewater recovery devices. The sewage treatment device comprises a device main body, a regulating tank, a flocculation tank, a sedimentation tank and a water storage tank are respectively arranged in the device main body, the interior of the regulating tank is divided by a partition plate, and the regulating tank is divided into a wastewater receiving area and a wastewater mixing area by the partition plate through the arrangement of the regulating tank, a mounting seat, a water inlet and an arc chute. A plurality of water inlets are stably supported by the mounting seat, so that wastewater can uniformly and quickly flow in, the problem of single-point water inlet is avoided, the wastewater and lime slurry are fully mixed by utilizing fluid kinetic energy and flow channel change of a Tesla valve structure through the design of an arc chute and a guide plate, external force assistance is not needed, and the operation is simple and convenient. The uniformity and the efficiency of pH value adjustment are improved, and the wastewater flows to the other side of the mixing tank through the flow guide port to prepare for subsequent pH value adjustment and filtration.

Description

Technical Field

[0001] The utility model relates to the field of wastewater recovery devices, in particular to an industrial boiler dust removal and desulfurization wastewater recovery device. Background Art

[0002] Industrial boiler dust removal and desulfurization wastewater is generated in the boiler flue gas dust removal and desulfurization process, mainly from flue gas limestone-gypsum wet desulfurization, and is widely used in many industries. This wastewater contains suspended matter, supersaturated sulfites, sulfates, heavy metals and other impurities, so it needs to undergo neutralization, heavy metal precipitation, flocculation, clarification and concentration to reduce the acidity of the wastewater, precipitate heavy metal ions, and further purify the water quality to ensure that environmental protection standards are met.

[0003] In the existing industrial boiler dust removal and desulfurization wastewater recycling process, lime slurry needs to be added to the mixing tank to adjust the pH value in preparation for subsequent filtration. However, the traditional method of mixing by driving the stirring blades with a stirring motor has obvious disadvantages. This method not only consumes a lot of energy, but also consumes a lot of electricity from the stirring motor, increasing the cost of wastewater treatment. It is also contrary to the environmental protection requirements of energy conservation and emission reduction. At the same time, components such as the stirring motor and stirring blades are prone to wear and require regular maintenance and replacement, resulting in high equipment maintenance costs. More importantly, the traditional stirring method may not ensure that the lime slurry is fully mixed with the wastewater, resulting in uneven pH adjustment, which in turn affects the subsequent filtration effect. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide an industrial boiler dust removal and desulfurization wastewater recovery device to solve the technical problems of high energy consumption, high equipment maintenance cost and uneven mixing effect of traditional stirring method, which affects the wastewater treatment efficiency and subsequent filtration effect.

[0005] To achieve the above object, the utility model provides the following technical solutions: an industrial boiler dust removal and desulfurization wastewater recovery device, comprising a device body, wherein a regulating tank, a flocculation tank, a sedimentation tank and a water storage tank are respectively arranged inside the device body, wherein the inside of the regulating tank is divided by a partition, a mounting seat is arranged above one side of the partition, and a plurality of water inlets are arranged on the top of the mounting seat, and the other ends of the plurality of water inlets are connected to the desulfurization wastewater tank;

[0006] A plurality of curved grooves are provided below the mounting seat, guide plates are installed on the inner sides of the curved grooves, a flow guide port is provided below the inner wall of the partition, a mixing pool is provided on the other side of the partition, and a plurality of weir flow ports are provided above the side of the mixing pool away from the partition, and the weir flow ports are used to ensure that wastewater can flow into the flocculation tank.

[0007] By adopting the above technical solution, the wastewater treatment process is carried out in stages, and each pool has its specific treatment function, thereby improving the efficiency and effect of wastewater treatment.

[0008] Furthermore, the plurality of curved arc grooves are arranged from top to bottom, and the plurality of curved arc grooves are arranged in a Tesla valve structure.

[0009] By adopting the above technical solution, the arc groove design of the partition division and Tesla valve structure can effectively control the flow path and speed of the wastewater, while enhancing the mixing effect, providing good conditions for subsequent treatment.

[0010] Furthermore, a feeding mechanism is provided on one side of the device body close to the regulating tank, and the feeding mechanism includes a liquid guiding tube.

[0011] By adopting the above technical solution, a dedicated feeding mechanism can ensure that the required treatment agent can be accurately and timely added to the wastewater, thereby improving the treatment efficiency and effect.

[0012] Furthermore, one end of the liquid guiding tube is connected to an external liquid pump, and the liquid pump is placed in the lime slurry.

[0013] By adopting the above technical solution, the automatic and continuous addition of the treatment agent can be achieved, the labor intensity of the operators can be reduced, and the errors and unevenness caused by manual addition can be avoided.

[0014] Furthermore, a plurality of drainage ports are provided on one side of the liquid guiding tube, and the plurality of drainage ports penetrate the device body and extend to the vortex points of the plurality of curved arc grooves.

[0015] By adopting the above technical solution and utilizing the principles of fluid mechanics, it is ensured that the treatment agent can be evenly dispersed in the wastewater, thereby improving the mixing efficiency of the treatment agent and the wastewater and ensuring the uniformity and effect of the treatment.

[0016] Furthermore, a dosing bin is provided inside the flocculation tank, and a suction pipe is detachably connected to the top of the flocculation tank through a mounting plate, and a suction pump is installed on the suction pipe.

[0017] By adopting the above technical solution, it is convenient to add an appropriate amount of reagent during the flocculation process, promote the coagulation of suspended matter, and improve the wastewater treatment effect.

[0018] Furthermore, a wedge-shaped filter plate is provided inside the sedimentation tank, and the sedimentation tank is used to settle the flocculated waste.

[0019] By adopting the above technical solution, the wedge-shaped filter plate helps to further filter solid particles in the wastewater and improve the clarity of the wastewater.

[0020] Furthermore, a first sewage outlet is provided on the outer surface of the sedimentation tank, and the first sewage outlet is used to discharge the flocculated waste.

[0021] By adopting the above technical solution, it is convenient to regularly discharge the flocculated waste in the sedimentation tank and keep the treatment system clean and running efficiently.

[0022] Furthermore, a second sewage outlet is provided below the outer surface of the water reservoir, and a water purification outlet is provided above one side of the water reservoir.

[0023] By adopting the above technical solution, it is possible to discharge sediments or unqualified water at the bottom of the reservoir, thereby ensuring that the water stored in the reservoir is clean.

[0024] Furthermore, the flocculation tank is connected with the water storage tank through a water pipe.

[0025] By adopting the above technical solution, the continuity of the wastewater treatment process is achieved, ensuring that the wastewater after flocculation treatment can smoothly enter the reservoir for storage or further utilization. At the same time, it also helps to maintain the stability and efficiency of the entire treatment system.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The utility model is provided with a regulating tank, a mounting seat, a water inlet, and an arc groove, wherein the partition separates the regulating tank into two areas for receiving wastewater and mixing wastewater, thereby improving the orderliness and efficiency of the treatment. The mounting seat stably supports multiple water inlets, so that the wastewater can flow in evenly and quickly, avoiding the problem of single-point water inlet. The design of the arc groove and the guide plate utilizes the fluid kinetic energy and flow channel changes of the Tesla valve structure to achieve full mixing of the wastewater and the lime slurry without the assistance of external force, thereby improving the uniformity and efficiency of the pH adjustment. The wastewater flows to the other side of the mixing tank through the diversion port to prepare for subsequent pH adjustment and filtration, while the weir flow port controls the speed and flow rate of the wastewater flowing into the flocculation tank, ensuring that the wastewater enters the next treatment unit at a stable flow rate after achieving the desired pH adjustment effect, thereby ensuring the stability of the subsequent treatment. This design effectively solves the problems of high energy consumption, high maintenance cost and uneven mixing effect of the traditional stirring method, thereby improving the overall efficiency of wastewater treatment and the subsequent filtration effect;

[0028] 2. The utility model sets a feeding mechanism, which is a key part of the wastewater treatment device and is responsible for accurately and efficiently adding treatment agents such as lime slurry into the wastewater to ensure the timeliness and accuracy of wastewater treatment. The liquid guide tube is connected to an external liquid pump to realize automatic and continuous addition of treatment agents, improve operational convenience and efficiency, avoid errors and unevenness in manual addition, and the liquid pump directly draws liquid from the lime slurry to reduce transportation links, improve work efficiency, reduce losses and pollution, and multiple discharge ports extend to the vortex point of the curved arc trough. The principle of fluid mechanics is used to ensure that the treatment agent is evenly added to the wastewater, thereby improving mixing efficiency and the uniformity of pH adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0030] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0031] Figure 3 It is a schematic diagram of a side-view cross-sectional three-dimensional structure of the utility model;

[0032] Figure 4 For this utility model Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0033] In the figure: 1. device body; 2. regulating tank; 201. mounting seat; 202. water inlet; 203. curved arc groove; 204. guide plate; 205. partition; 206. diversion port; 207. weir flow port; 3. flocculation tank; 301. dosing bin; 302. mounting plate; 303. suction pipe; 304. suction pump; 4. sedimentation tank; 5. water storage tank; 6. feeding mechanism; 601. liquid guide pipe; 602. liquid discharge port; 7. first sewage discharge port; 8. second sewage discharge port; 9. water purification port; 10. water guide pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] The following describes an embodiment of the utility model based on its overall structure. Example

[0036] An industrial boiler dust removal and desulfurization wastewater recovery device, such as Figure 1-Figure 4As shown, the device comprises a main body 1, wherein a regulating tank 2, a flocculation tank 3, a sedimentation tank 4 and a water storage tank 5 are respectively arranged inside the main body 1, and the interior of the regulating tank 2 is divided by a partition 205, and a mounting seat 201 is arranged above one side of the partition 205, and a plurality of water inlets 202 are arranged on the top of the mounting seat 201, and the other ends of the plurality of water inlets 202 are connected to the desulfurization wastewater tank; a plurality of curved grooves 203 are opened below the mounting seat 201, and a guide plate 204 is installed inside the plurality of curved grooves 203, and a guide port 206 is opened below the inner wall of the partition 205, and the other end of the partition 205 is connected to the desulfurization wastewater tank; A mixing tank is provided on the side, and a plurality of weir flow outlets 207 are provided on the upper side of the mixing tank away from the partition 205. The weir flow outlets 207 are used to ensure that the wastewater can flow into the flocculation tank 3. The regulating tank 2, flocculation tank 3, sedimentation tank 4 and water storage tank 5 respectively arranged inside the device body 1 constitute a complete wastewater treatment process, ensuring efficient treatment and recovery of wastewater. The design of the partition 205 realizes the zoning treatment of wastewater and improves the treatment efficiency. The connection between the water inlet 202 and the desulfurization wastewater tank ensures the smooth introduction of wastewater, and the weir flow outlets 207 ensure that the wastewater can flow smoothly into the next treatment link.

[0037] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 Multiple curved arc grooves 203 are arranged from top to bottom, and multiple curved arc grooves 203 are arranged in a Tesla valve structure. Multiple curved arc grooves 203 are arranged from top to bottom and in a Tesla valve structure. This design can enhance the mixing effect of wastewater, and use the vortex principle to increase the contact area and reaction efficiency between wastewater and treatment agent, thereby optimizing the wastewater treatment effect. Example

[0038] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A feeding mechanism 6 is provided on the side of the device body 1 close to the regulating tank 2, and the feeding mechanism 6 includes a liquid guide tube 601. The feeding mechanism 6 provided on the side of the device body 1 close to the regulating tank 2, especially the design of the liquid guide tube 601, facilitates accurate and timely addition of lime slurry to the wastewater to achieve neutralization and purification of the wastewater.

[0039] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 One end of the liquid conduit 601 is connected to an external liquid pump, and the liquid pump is placed in the lime slurry. The liquid conduit 601 is connected to an external liquid pump, and the liquid pump is placed in the lime slurry, which ensures a continuous and stable supply of the treatment agent and improves the degree of automation and efficiency of wastewater treatment.

[0040] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A plurality of drainage ports 602 are provided on one side of the liquid guiding tube 601, and the plurality of drainage ports 602 penetrate the device body 1 and extend to the vortex points of the plurality of curved grooves 203. The plurality of drainage ports 602 on one side of the liquid guiding tube 601 extend to the vortex points of the curved grooves 203. This design enables the treatment agent to be evenly and efficiently dispersed into the wastewater, further improving the effect and efficiency of wastewater treatment.

[0041] See also Figure 1 , Figure 2 , Figure 3 A dosing bin 301 is provided inside the flocculation tank 3. A suction pipe 303 is detachably connected to the top of the flocculation tank 3 through a mounting plate 302. A suction pump 304 is installed on the suction pipe 303. The dosing bin 301 inside the flocculation tank 3 is convenient for adding flocculants to promote the coagulation of suspended matter in the wastewater. At the same time, the design of the suction pipe 303 and the suction pump 304 allows the upper clear liquid to be effectively extracted, further separating solids and liquids, thereby improving the wastewater treatment effect.

[0042] See also Figure 1 , Figure 2 , Figure 3 A wedge-shaped filter plate is arranged inside the sedimentation tank 4, and the sedimentation tank 4 is used to settle the flocculated waste. The wedge-shaped filter plate inside the sedimentation tank 4 helps to filter the solid particles in the wastewater and improve the clarity of the water quality. At the same time, the design of the sedimentation tank is also convenient for settling the flocculated waste and realizing solid-liquid separation.

[0043] See also Figure 1 , Figure 2 , Figure 3 A first sewage outlet 7 is provided on the outer surface of the sedimentation tank 4, and the first sewage outlet 7 is used to discharge the flocculated waste. The first sewage outlet 7 on the outer surface of the sedimentation tank 4 is convenient for regularly discharging the settled waste, keeping the treatment system clean and running efficiently, and also providing convenience for the subsequent treatment of the waste.

[0044] See also Figure 1 , Figure 2 , Figure 3 A second sewage outlet 8 is arranged below the outer surface of the water reservoir 5, and a water purification outlet 9 is arranged above one side of the water reservoir 5. The water reservoir 5 serves as the final link of wastewater treatment. The second sewage outlet 8 below the outer surface can be used to discharge the sediment at the bottom of the pool or unqualified water quality to ensure the cleanliness of the stored water, while the water purification outlet 9 above one side provides an output interface for clean water for use by other processes or equipment.

[0045] See also Figure 1 , Figure 2 , Figure 3The flocculation tank 3 is connected with the water reservoir 5 through the water pipe 10, which realizes the continuity of wastewater treatment and ensures that the water quality is stable and meets the standards. This design simplifies the treatment process and improves the overall treatment efficiency.

[0046] The implementation principle of the utility model is as follows: first, the desulfurized wastewater needs to enter the regulating tank 2 through multiple water inlets 202, which are connected to the desulfurized wastewater tank. Then, the wastewater undergoes preliminary water quality and water quantity regulation in the regulating tank to buffer the flow of the wastewater entering and provide stable conditions for subsequent treatment;

[0047] The feeding mechanism 6 starts to work, and the treatment agent such as lime slurry is pumped in from the external pump through the liquid guide pipe 601, and evenly added to the wastewater through multiple discharge ports 602. At this time, the discharge ports 602 extend to the vortex point of the curved groove 203, and the principle of fluid mechanics is used to ensure that the treatment agent and the wastewater are fully mixed;

[0048] The wastewater passes through the area separated by the partition 205 in the regulating tank and flows into the mixing tank through the diversion port 206. Then, in the mixing tank, the wastewater is further mixed with the treatment agent to adjust the pH.

[0049] After that, the wastewater treated in the mixing tank flows into the flocculation tank 3 through the weir outlet 207. Then, an appropriate amount of flocculant is added to the flocculation tank to condense the suspended matter in the wastewater into larger particles for subsequent sedimentation.

[0050] Wastewater flows from the flocculation tank into the sedimentation tank 4, where the flocculated waste is settled. The wedge-shaped filter plate arranged inside the sedimentation tank helps to further filter the solid particles in the wastewater. The settled waste is discharged through the first sewage outlet 7, and the clean water after settlement and filtration flows into the reservoir 5 for storage.

[0051] Parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here.

[0052] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. An industrial boiler dust removal and desulfurization wastewater recovery device, characterized by: The device comprises a device body (1), wherein a regulating tank (2), a flocculation tank (3), a sedimentation tank (4) and a water storage tank (5) are respectively arranged inside the device body (1), wherein the inside of the regulating tank (2) is divided by a partition (205), a mounting seat (201) is arranged above one side of the partition (205), a plurality of water inlets (202) are arranged on the top of the mounting seat (201), and the other ends of the plurality of water inlets (202) are connected to a desulfurization wastewater tank; A plurality of curved grooves (203) are provided below the mounting seat (201), guide plates (204) are installed inside the plurality of curved grooves (203), a flow guide port (206) is provided below the inner wall of the partition (205), a mixing pool is provided on the other side of the partition (205), and a plurality of weir ports (207) are provided above a side of the mixing pool away from the partition (205), the weir ports (207) being used to ensure that wastewater can flow into the flocculation tank (3).

2. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: The multiple curved grooves (203) are arranged from top to bottom, and the multiple curved grooves (203) are arranged in a Tesla valve structure.

3. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: A feeding mechanism (6) is provided on one side of the device body (1) close to the regulating tank (2), and the feeding mechanism (6) comprises a liquid guiding tube (601).

4. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 3 is characterized by: One end of the liquid guiding tube (601) is connected to an external liquid pump, and the liquid pump is placed in the lime slurry.

5. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 3 is characterized by: A plurality of liquid discharge ports (602) are provided on one side of the liquid guide tube (601), and the plurality of liquid discharge ports (602) penetrate the device body (1) and extend to the vortex points of the plurality of curved arc grooves (203).

6. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: A dosing chamber (301) is provided inside the flocculation tank (3), and a suction pipe (303) is detachably connected to the top of the flocculation tank (3) via a mounting plate (302), and a suction pump (304) is installed on the suction pipe (303).

7. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: A wedge-shaped filter plate is arranged inside the sedimentation tank (4), and the sedimentation tank (4) is used to sediment flocculated waste materials.

8. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: The outer surface of the sedimentation tank (4) is provided with a first sewage outlet (7), and the first sewage outlet (7) is used to discharge flocculated waste.

9. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: A second sewage outlet (8) is provided below the outer surface of the water reservoir (5), and a water purification outlet (9) is provided above one side of the water reservoir (5).

10. The industrial boiler dust removal and desulfurization wastewater recovery device according to claim 1 is characterized by: The flocculation tank (3) is connected to the water storage tank (5) via a water guide pipe (10).

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