A flue gas desulfurization wastewater evaporation and concentration treatment device

Abstract

This utility model relates to the field of wastewater treatment technology, specifically to a flue gas desulfurization wastewater evaporation and concentration treatment device, comprising a housing, a support base, a cover plate, a filter assembly, and a connecting mechanism. The support base is located at the bottom of the housing, and several support bases are provided. The cover plate is connected to the housing via the connecting mechanism. A liquid inlet assembly is located at the top center of the cover plate, a feeding assembly is located on one side of the housing, and a stirring assembly is located at the bottom of the housing. The filter assembly includes a long rod and a filter screen; one end of the long rod passes through the cover plate and connects to the filter screen. The connecting mechanism includes a first limiting block, a second limiting block, a sliding assembly, an electric push rod, a connecting block, and an electromagnet. One end of the first limiting block is connected to the cover plate, and the other end of the first limiting block contacts the top of the housing. This utility model, a flue gas desulfurization wastewater evaporation and concentration treatment device, solves the problem of inconvenient disassembly of current equipment.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a flue gas desulfurization wastewater evaporation and concentration treatment device. Background Technology

[0002] As is well known, flue gas desulfurization wastewater evaporation and concentration treatment equipment is an environmental protection device that separates solids and liquids in wastewater generated by desulfurization systems in industrial production such as thermal power plants and steel plants. This wastewater is characterized by high salt content, high turbidity, and contains heavy metals (such as mercury and lead) and corrosive substances (such as chloride ions). During the wastewater evaporation treatment process, the wastewater needs to be filtered, which requires the use of a filtration device.

[0003] However, in existing flue gas desulfurization wastewater evaporation and concentration treatment devices, the filter devices are usually installed in a fixed structure inside the housing. The connection between the filter device and the housing lacks a convenient disassembly design. This fixed structure makes it difficult to remove the filter device from the housing, which in turn makes the cleaning of the filter screen very inconvenient. Workers cannot thoroughly clean the impurities (such as desulfurization gypsum particles, suspended impurities, etc.) trapped on the surface of the filter screen. After long-term use, the impurities that are not cleaned in time will gradually clog the filter screen pores, which will not only reduce the wastewater filtration efficiency, but may also increase the inlet water resistance due to the clogging of the filter pores, affecting the stability of the subsequent wastewater treatment process. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a flue gas desulfurization wastewater evaporation and concentration treatment device.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a flue gas desulfurization wastewater evaporation and concentration treatment device, comprising a housing, a support base, a cover plate, a filter assembly, and a connecting mechanism. The support base is disposed at the bottom of the housing, and several support bases are provided. The cover plate is connected to the housing via the connecting mechanism. A liquid inlet assembly is located at the top center of the cover plate, a feeding assembly is located on one side of the housing, and a stirring assembly is located at the bottom of the housing. The filter assembly includes a long rod and a filter screen, with one end of the long rod passing through the cover plate and connecting to the filter screen. The connecting mechanism includes a first limiting block, a second limiting block, a sliding assembly, an electric push rod, a connecting block, and an electric... A magnet is provided. One end of the first limiting block is connected to the cover plate, and the other end of the first limiting block contacts the top of the box. One end of the second limiting block is connected to the inner wall of the box, and the other end of the second limiting block contacts the bottom of the filter screen. The sliding assembly is located at the rear of the box. One end of the electric push rod is connected to the sliding assembly, and the other end of the electric push rod is connected to one end of the connecting block. The other end of the connecting block passes through the long rod. One end of the electromagnet is fixedly connected to the connecting block, and the other end of the electromagnet attracts the cover plate. The connecting mechanism has two sets. An observation window is provided on the front of the box, and the observation window is embedded in the front of the box.

[0008] To improve stability, this utility model is improved by symmetrically arranging the two sets of connecting mechanisms.

[0009] To improve the strength of the observation window, this utility model is improved by using transparent tempered glass for the housing.

[0010] To improve stability, this utility model is improved by having several of the aforementioned support seats arranged symmetrically.

[0011] To facilitate lifting the cover, the present invention is improved by providing a handle on the top of the cover, and the handle is fixedly connected to the top of the cover.

[0012] To improve the connection effect, the present invention is improved by welding the handle to the cover plate.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a flue gas desulfurization wastewater evaporation and concentration treatment device, which has the following beneficial effects:

[0015] The flue gas desulfurization wastewater evaporation and concentration treatment device has the following beneficial effects:

[0016] In terms of ease of disassembly and assembly, the electromagnet and electric push rod of the connecting mechanism can quickly separate the cover plate from the box. Combined with the connection design of the long rod and the filter screen, the filter screen can be easily removed from the box for cleaning, which solves the problems of traditional filter devices being difficult to disassemble and easy to clog, and greatly reduces maintenance costs.

[0017] In terms of operational stability, the symmetrical arrangement of the two sets of connecting mechanisms ensures that the cover plate is subjected to balanced force and avoids tilting and loosening; the symmetrical distribution of several support seats evenly distributes the weight of the box, reducing vibration and shaking during stirring; the welded and fixed handles ensure structural reliability when lifting the cover plate, providing a guarantee for operational safety.

[0018] In terms of practical performance, the transparent tempered glass enclosure combines high strength and visibility, making it easy to observe the internal working conditions and is corrosion-resistant and durable; the non-contact design of the liquid extraction pipe and the stirring fan blades avoids interference between components, ensuring continuous operation of the equipment, and is fully adapted to the actual needs of desulfurization wastewater pretreatment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1 A magnified schematic diagram of the local structure at point A;

[0021] Figure 3 This is a schematic diagram of the axonal structure of the present invention;

[0022] Figure 4 This utility model Figure 1 A frontal view of the internal structure;

[0023] In the diagram: 1. Box body; 2. Support base; 3. Cover plate; 4. Filter assembly; 5. Long rod; 6. Filter screen; 7. Connecting mechanism; 8. First limiting block; 9. Second limiting block; 10. Sliding assembly; 11. Electric push rod; 12. Connecting block; 13. Electromagnet; 14. Stirring assembly; 15. Liquid inlet assembly; 16. Feeding assembly; 17. Liquid extraction assembly. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4A flue gas desulfurization wastewater evaporation and concentration treatment device includes a housing 1, a support base 2, a cover plate 3, a filter assembly 4, and a connecting mechanism 7. The support base 2 is located at the bottom of the housing 1, and several support bases 2 are provided. The cover plate 3 is connected to the housing 1 via the connecting mechanism 7. A liquid inlet assembly 15 is located at the top center of the cover plate 3. A feeding assembly 16 is located on one side of the housing 1. A stirring assembly 14 is located at the bottom of the housing 1. The filter assembly 4 includes a long rod 5 and a filter screen 6. One end of the long rod 5 passes through the cover plate 3 and connects to the filter screen 6. The connecting mechanism 7 includes a first limiting block 8, a second limiting block 9, a sliding assembly 10, an electric push rod 11, a connecting block 12, and an electromagnet 13. The first limiting block 8... One end of the first limiting block 8 is connected to the cover plate 3, the other end of the first limiting block 8 contacts the top of the box 1, one end of the second limiting block 9 is connected to the inner wall of the box 1, and the other end of the second limiting block 9 contacts the bottom of the filter screen 6. The sliding assembly 10 is located behind the box 1. One end of the electric push rod 11 is connected to the sliding assembly 10, and the other end of the electric push rod 11 is connected to one end of the connecting block 12. The other end of the connecting block 12 passes through the long rod 5. One end of the electromagnet 13 is fixedly connected to the connecting block 12, and the other end of the electromagnet 13 attracts the cover plate 3. The connecting mechanism 7 is provided in two sets. The front of the box 1 is provided with an observation window, which is embedded in the front of the box 1.

[0026] Working principle: After the equipment is placed in the designated location, it is stably supported by several symmetrically arranged support bases 2. After connecting to external mains power to supply power to the equipment, it is then... Figure 1 Operation shown: Wastewater to be treated is injected into the tank 1 through the liquid inlet assembly 15. The wastewater is filtered by the filter screen 6, which can trap impurity particles.

[0027] The chemical reaction process then proceeds: the operator presses down on the cover plate 3 to maintain stability, and closes the electromagnet 13 to stop it from adsorbing the martensitic stainless steel cover plate 3; simultaneously, two sets of symmetrical sliding components 10 are activated, driving the electric push rod 11 and connecting block 12 to move, causing the long rod 5 to lift the filter screen 6 to a position higher than the feeding component 16; lime, sodium carbonate, and other chemicals (used to remove calcium and magnesium ions and prevent scaling in the subsequent evaporation process) are added into the tank through the feeding component 16; the stirring component 14 is activated to fully mix the wastewater and chemicals, improving the reaction effect;

[0028] Reset the equipment after the reaction is complete. Figure 1 During wastewater injection, the water level can be monitored through the observation window on the front of tank 1 to ensure that the water level does not exceed [the specified value]. Figure 4 Position the middle filter screen 6 (to prevent unfiltered wastewater from directly entering subsequent stages), then connect the liquid extraction component 17 to the external evaporation and concentration mechanism to transport the pretreated wastewater to the next stage;

[0029] When the filter screen 6 needs cleaning (ensure the equipment is not in operation), follow these steps: turn off the electromagnet 13 to detach it from the cover plate 3; activate the electric push rod 11 to separate the connecting block 12 from the long rod 5; then activate the electromagnet 13 to attract the cover plate 3, and activate the sliding component 10 to lift the cover plate 3, separating the long rod 5 from the cover plate 3; after the cover plate 3 reaches its highest position, the operator lifts the long rod 5 upwards to detach the filter screen 6 from the second limit block 9 and separate it from the housing 1. The operator holds the cover plate, then turns off the electromagnet 13 to remove the cover plate 3. The removed cover plate 3 and filter screen 6 can be cleaned using external rinsing equipment or a cleaning brush. After cleaning, reset them in the usual way (the reset operation is common knowledge in the field).

[0030] The sliding assembly 10 in the text consists of a slide, a slider, a motor, a threaded rod, and a coupling; the stirring assembly 14 includes a motor, a coupling, a connecting shaft, and fan blades; the liquid extraction assembly 17 consists of a liquid extraction pipe, an adjustable pump body, a liquid outlet pipe, and a connecting pipe. At the same time, the structural design of this device ensures that the liquid extraction pipe of the liquid extraction assembly 17 and the fan blades of the stirring assembly 14 do not come into contact with each other, thus avoiding interference between the components during operation.

[0031] The filter screen 6 mentioned in the article is made of 316L stainless steel (resistant to chloride ion corrosion), with a filter hole diameter of 0.5-1mm, which is suitable for particulate impurities in desulfurization wastewater (such as gypsum particles with a diameter usually >1mm).

[0032] The power interface of this equipment uses an IP65 waterproof plug, and the cables are protected by conduits (the conduits are made of PVC material) to avoid direct contact with wastewater; the control panel is equipped with a leakage protection switch, which automatically cuts off the power when triggered.

[0033] To improve stability, in this embodiment, the two sets of connecting mechanisms 7 are symmetrically arranged. This symmetrical design allows the force on the connection between the cover plate 3 and the housing 1 to be evenly distributed on both sides, avoiding excessive force on one side of the connecting mechanism, which could cause the cover plate 3 to tilt or loosen. At the same time, the symmetrical structure ensures that the two sets of connecting mechanisms move synchronously when driving the cover plate 3 to rise, fall, and be fixed, reducing the structural stress caused by the deviation of the movement on both sides. Combined with the contact limit of the first limiting block 8 and the housing 1, the overall stability of the connection between the cover plate 3 and the housing 1 is further enhanced, providing reliable support for the stable operation and disassembly / removal of the filter assembly.

[0034] To enhance the strength of the observation window, in this embodiment, the housing 1 is made of transparent tempered glass. Transparent tempered glass has high mechanical strength (its impact resistance is 3-5 times that of ordinary glass), effectively withstanding vibrations during equipment operation and minor external impacts, preventing the observation window from breaking due to stress. Simultaneously, its transparency ensures that staff can clearly observe the water level, stirring, and filtration status inside the housing 1 without requiring additional observation structures. Furthermore, the material has a smooth surface and is resistant to acid and alkali corrosion, adapting to the working environment during desulfurization wastewater treatment, reducing the erosion of the housing by wastewater or chemicals, and extending the equipment's service life while ensuring the observation function.

[0035] To improve stability, in this embodiment, several of the support bases 2 are symmetrically arranged. This symmetrical layout can evenly distribute the weight of the box 1 to each support point, avoiding overload deformation of a single support base due to concentrated force, and effectively reducing shaking during equipment operation (such as vibration generated by the working of the stirring component). At the same time, the symmetrically arranged support bases can offset the lateral force generated by the shaking of the liquid inside the box or slight external collisions through stable contact with the ground. Combined with the structure of the box itself, this further enhances the placement stability of the overall equipment in both working and static states, providing a solid foundation for subsequent wastewater treatment, filter component disassembly and assembly, and other operations.

[0036] To facilitate lifting the cover plate 3, in this embodiment, the top of the cover plate 3 is provided with a handle, which is fixedly connected to the top of the cover plate 3. The handle provides the operator with a clear point of force application. When the cover plate 3 needs to be disassembled or reset, the operator can operate stably by holding the handle, avoiding the slippage or uneven force that may occur when directly grasping the edge of the cover plate 3. At the same time, the fixed connection ensures that the handle will not detach from the cover plate 3 during the lifting process, which not only improves the ease of operation when disassembling and assembling the cover plate 3, but also ensures the safety of the operation process. Especially when the cover plate 3 generates a certain resistance due to adsorption or its own weight, the lifting action can be completed more effortlessly by using the handle.

[0037] To improve the connection effect, in this embodiment, the handle is welded to the cover plate 3. The welding connection can make the handle and the cover plate 3 form an integral structure. Compared with bolt connection and other methods, it can eliminate the connection gap and avoid loosening or shaking due to force during the lifting process. This connection method has a stronger load-bearing capacity and can stably bear the weight of the cover plate 3 and the external force during lifting, preventing the handle from separating from the cover plate 3. This not only ensures the reliability of the lifting operation, but also extends the service life of the handle, and further improves the safety and convenience of the disassembly and assembly process of the cover plate 3.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flue gas desulfurization wastewater evaporation and concentration treatment device, comprising a housing (1), a support base (2), a cover plate (3), a filter assembly (4), and a connecting mechanism (7), characterized in that: The support base (2) is located at the bottom of the box body (1), and there are several support bases (2). The cover plate (3) is connected to the box body (1) through the connecting mechanism (7). The top center of the cover plate (3) is provided with a liquid inlet assembly (15). The side of the box body (1) is provided with a feeding assembly (16). The bottom of the box body (1) is provided with a stirring assembly (14). The filter assembly (4) includes a long rod (5) and a filter screen (6). One end of the long rod (5) passes through the cover plate (3) and is connected to the filter screen (6). The connecting mechanism (7) includes a first limiting block (8), a second limiting block (9), a sliding assembly (10), an electric push rod (11), a connecting block (12), and an electromagnet (13). One end of the first limiting block (8) is connected to the cover plate (3). The other end of the first limiting block (8) is in contact with the top of the box (1), one end of the second limiting block (9) is connected to the inner wall of the box (1), and the other end of the second limiting block (9) is in contact with the bottom of the filter screen (6). The sliding component (10) is located behind the box (1). One end of the electric push rod (11) is connected to the sliding component (10), and the other end of the electric push rod (11) is connected to one end of the connecting block (12). The other end of the connecting block (12) passes through the long rod (5). One end of the electromagnet (13) is fixedly connected to the connecting block (12), and the other end of the electromagnet (13) adsorbs the cover plate (3). The connecting mechanism (7) is provided in two sets. The front of the box (1) is provided with an observation window, which is embedded in the front of the box (1).

2. A flue gas desulphurization wastewater evaporation and concentration treatment device according to claim 1, characterized in that: The two sets of connecting mechanisms (7) are symmetrically arranged.

3. A flue gas desulphurization wastewater evaporation and concentration treatment device according to claim 2, characterized in that: The enclosure (1) is made of transparent tempered glass.

4. A flue gas desulphurization wastewater evaporation and concentration treatment device according to claim 3, characterized in that: Several of the aforementioned support bases (2) are symmetrically arranged.

5. A flue gas desulphurization wastewater evaporation and concentration treatment device according to claim 4, characterized in that: The top of the cover plate (3) is provided with a handle, which is fixedly connected to the top of the cover plate (3).

6. A flue gas desulphurization wastewater evaporation and concentration treatment device according to claim 5, characterized in that: The handle is welded to the cover plate (3).

Images