Water separating and slag discharging door device capable of being replaced on line

Abstract

The utility model relates to the technical field of drainage and deslagging door devices, in particular to a drainage and deslagging door device capable of being replaced online, which comprises a seat frame, a pushing mechanism is fixedly mounted on the surface of the seat frame, a drainage door body is fixedly mounted at the output end of the pushing mechanism, and a water collecting tank is fixedly mounted on the surface of the seat frame. A drainage pipe is fixedly mounted at the bottom of the water collecting tank, and the drainage door body comprises a slag discharge door plate, a water storage chamber, a conical drainage device and a lengthened drainage port. According to the utility model, the slag discharge door plate is made of Cr26 high-wear-resistant alloy steel and has excellent wear resistance and corrosion resistance, the conical water separating device is made of stainless steel 316 and is mounted in a matching manner at an angle of 35 degrees, and an assembly gap of 1mm is kept between the conical water separating device and the slag discharge door plate, so that the slag-water separating efficiency is effectively improved; and ash is prevented from blocking a net taking opening of the water storage chamber and a special opening device, so that the conical water separating device can be quickly replaced on line, and the downtime of equipment is remarkably shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of water-separating slag discharge gate devices, in particular to a water-separating slag discharge gate device that can be replaced online. Background Technique

[0002] In the boiler hydraulic slag removal system of large thermal power plants, the effective separation and discharge of slag water are one of the key links to ensure the efficient operation of the system. The traditional slag discharge gate devices are mainly divided into two types: blind plate structure and embedded filter structure. However, these two structures have many problems and limitations in practical applications, seriously affecting the efficiency and reliability of the slag removal system.

[0003] The slag discharge gate with a blind plate structure lacks an effective water separation function and mainly relies on the gap between the flange at the bottom of the slag bin and the gate body of the slag discharge gate to drain the slag water. However, limited by the structural design, the drainage volume of the blind plate structure is limited and it is difficult to meet the drainage requirements inside the slag bin, resulting in the inability to drain the slag water in time, thus affecting the overall efficiency of the slag removal system. In addition, due to the lack of a special water separation device, the blind plate structure is prone to leakage during the operation of the equipment, and it is difficult to guarantee the on-site environmental hygiene.

[0004] The slag discharge gate with an embedded filter structure solves the problem of water separation to a certain extent, but this structure also has obvious defects. Since the filter is embedded inside the gate body and has no backwashing function, the filter is easily blocked by ash and slag after being used for a period of time, resulting in the gradual failure of the water separation function. In addition, the ash and slag accumulation in the bottom chamber of the filter is serious, increasing the maintenance difficulty and frequency of the equipment. More importantly, since the filter cannot be taken out and cleaned, the operation of replacing the filter is extremely complicated, and even in some cases, it cannot be replaced, further restricting the service life and operation efficiency of the equipment.

[0005] In summary, the existing slag discharge gate devices have great deficiencies in both water separation and slag discharge functions and cannot meet the requirements of modern large thermal power plants for high efficiency, stability and environmental protection. Therefore, there is an urgent need for a slag discharge gate device that can replace the filter online and has an efficient water separation function to solve various problems in the existing technology, improve the slag water separation efficiency, reduce the equipment maintenance cost, and improve the on-site working environment.

[0006] In view of the above problems existing in the existing slag discharge gate devices, the utility model proposes a water-separating slag discharge gate device that can be replaced online. Content of the Utility Model

[0007] The purpose of the utility model is to solve the technical problems put forward in the above background technique.

[0008] The utility model adopts the following technical solutions: A water-separating slag-discharging door device that can be replaced online, including a seat frame. A pushing mechanism is fixedly installed on the surface of the seat frame. The output end of the pushing mechanism is fixedly installed with a water-separating door body. A water collection tank is fixedly installed on the surface of the seat frame. A drain pipe is fixedly installed at the bottom of the water collection tank. The water-separating door body includes a slag-discharging door panel, a water storage chamber, a conical water-separating device, and an extended drain outlet. Taking openings are formed on both sides of the conical water-separating device. A taking net block is fixedly installed on the surface of the taking opening. A special device for the opening device is inserted into the taking opening. A backwashing device is fixedly installed at the bottom of the slag-discharging door panel.

[0009] Preferably, the slag-discharging door panel is made of Cr26 high-wear-resistant alloy steel and adopts the lost foam precision casting process. Here, using Cr26 high-wear-resistant alloy steel and the lost foam precision casting process to make the slag-discharging door panel endows it with extremely high wear resistance and corrosion resistance, ensuring that the door panel is not easily deformed under harsh working conditions, greatly extending the service life of the equipment, increasing it by 3 - 5 times compared with traditional equipment, reducing the frequency of maintenance and replacement, and thus saving operating costs.

[0010] Preferably, the conical water-separating device is made of stainless steel 316. Here, the stainless steel 316 material has excellent wear resistance and corrosion resistance, and is not easy to rust and accumulate dust, ensuring that the cleaning and maintenance of the water-separating device are more convenient, thus maintaining the long-term stable operation of the equipment and reducing the downtime.

[0011] Preferably, the conical water-separating device is installed in cooperation with the slag-discharging door panel at a 35-degree angle, and the assembly gap is 1 mm. Here, it ensures that ash and slag are not easily introduced into the water storage chamber, effectively preventing leakage and blockage problems. At the same time, the 35-degree angle design also optimizes the water separation efficiency, enabling the equipment to achieve efficient separation of slag and water in a short time, not only improving the reliability of the equipment, but also greatly enhancing the simplicity and efficiency of operation.

[0012] Preferably, the special device for the opening device is inserted obliquely into the taking opening at a 45-degree angle with respect to the taking opening. Here, it makes the replacement of the water-separating device very simple and fast. Operators can easily replace the filter screen by simply inserting an oblique tool without disassembling the entire equipment, significantly reducing the maintenance time and operation difficulty, and further improving the working efficiency of the equipment.

[0013] Preferably, the conical water-separating device is embedded in the central position of the slag-discharging door panel, and the extended drain outlet is connected to the water outlet of the slag-discharging door panel. Here, it ensures that the slag and water can be concentrated and pass through the water-separating device and quickly discharged to the water collection tank, not only improving the efficiency of slag-water separation, but also reducing the blockage and maintenance problems of the equipment, thus ensuring the continuous and stable operation of the entire system.

[0014] Preferably, the water outlet of the extended drain outlet is located above the water collecting tank. Here, the discharged water can directly enter the water collecting tank, avoiding water scattering or waste, further optimizing the recycling of water resources, while keeping the on-site environment clean and reducing the risk of water outflow and pollution.

[0015] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0016] 1. In the present utility model, the conical water separation device is made of stainless steel 316 and uses an optimized design with a 35-degree angle, effectively improving the efficiency of slag-water separation. The conical structure enables water to better separate from ash slag, ensuring the smooth progress of the water separation process. Through the precisely controlled 1-mm assembly gap, ash slag particles are difficult to enter the water storage chamber, thus avoiding blockage. Compared with the traditional blind plate structure or the embedded filter screen structure, during the slag-water separation process, this device can reduce the water content of ash slag to about 30%, significantly improving the overall operating efficiency of the system.

[0017] 2. In the present utility model, through the innovative design of the filter net access port and the special opening device, the replacement operation of the filter net can be completed online. The operator only needs to insert the opening device into the filter net access port at a 45-degree angle to easily remove or replace the filter net. The whole process only takes a few minutes, greatly shortening the equipment downtime, reducing the maintenance cost, and also significantly reducing the labor intensity of the operator.

[0018] 3. In the present utility model, the slag discharge door panel is made of Cr26 high wear-resistant alloy steel and processed by the lost foam precision casting process. The selection of this material and process enables the door panel to have extremely high wear resistance and corrosion resistance, and can remain unchanged in shape and non-corrosive in a harsh working environment for a long time. Compared with traditional equipment, the service life of this door panel is increased by 3 - 5 times, significantly reducing the equipment replacement frequency, thus saving the long-term operation cost. Description of the Drawings

[0019] Figure 1 It is the overall schematic diagram of a water separation and slag discharge door device that can be replaced online proposed by the present utility model;

[0020] Figure 2 It is the side view of a water separation and slag discharge door device that can be replaced online proposed by the present utility model;

[0021] Figure 3 It is the structural schematic diagram of the opening device of a water separation and slag discharge door device that can be replaced online proposed by the present utility model;

[0022] Figure 4 It is the schematic diagram of the water separation door body of a water separation and slag discharge door device that can be replaced online proposed by the present utility model;

[0023] Figure 5 This is a top view of a water-separating slag-discharging door device that can be replaced online proposed by the present utility model;

[0024] Figure 6 This is a Figure 3 magnified view of part A in the water-separating slag-discharging door device that can be replaced online proposed by the present utility model.

[0025] Legend description:

[0026] 1. Slag-discharging door panel; 2. Conical water-separating device; 3. Water storage chamber; 4. Extended drain outlet; 5. Mesh-taking port; 6. Mesh-taking block; 7. Special device for opening device; 8. Backwashing device; 9. Seat frame; 10. Drain pipe; 11. Pushing mechanism; 12. Water-separating door body; 13. Water collecting tank. Specific implementation manner

[0027] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0028] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0029] Embodiment

[0030] Please refer to Figures 1-6 , the present utility model provides a technical solution: a water-separating slag-discharging door device that can be replaced online, including a seat frame 9, a pushing mechanism 11 is fixedly installed on the surface of the seat frame 9, the output end of the pushing mechanism 11 is fixedly installed with a water-separating door body 12, a water collecting tank 13 is fixedly installed on the surface of the seat frame 9, a drain pipe 10 is fixedly installed at the bottom of the water collecting tank 13, the water-separating door body 12 includes a slag-discharging door panel 1, a water storage chamber 3, a conical water-separating device 2 and an extended drain outlet 4, mesh-taking ports 5 are opened on both sides of the conical water-separating device 2, a mesh-taking block 6 is fixedly installed on the surface of the mesh-taking port 5, a special device for the opening device 7 is inserted into the mesh-taking port 5, and a backwashing device 8 is fixedly installed at the bottom of the slag-discharging door panel 1.

[0031] In this embodiment, the main body of the device includes a slag discharge door panel 1 made of Cr26 high wear-resistant alloy steel. Cr26 high wear-resistant alloy steel is renowned for its excellent wear resistance and corrosion resistance. The door panel processed by the lost foam casting process not only has extremely high mechanical strength but also can effectively resist the long-term erosion of high temperature, humidity, and corrosive media, enabling the equipment to maintain stable performance under extreme working conditions, greatly extending the service life of the device, and reducing the maintenance cost during long-term operation.

[0032] In another embodiment, the conical water separation device 2 is made of stainless steel 316. Stainless steel 316 is widely used in harsh environments due to its excellent corrosion resistance, wear resistance, and non-rusting characteristics. The design of the conical water separation device 2 fully considers the efficiency of slag-water separation and the convenience of maintenance. Its surface is smooth and the structure is compact, which can effectively avoid the accumulation of ash slag and ensure the smooth drainage of water. There are wire mesh access ports 5 designed on both sides of the conical water separation device 2, and wire mesh access blocks 6 are equipped. By using special tools, the conical water separation device 2 can be quickly removed and replaced by obliquely inserting into the wire mesh access port 5 at a 45-degree angle. The entire operation process only takes 5 minutes, which not only significantly reduces the equipment downtime but also reduces the labor intensity of the operators.

[0033] Specifically, the conical water separation device 2 and the slag discharge door panel 1 are installed in a 35-degree angle fit, and the assembly gap is precisely controlled within 1 millimeter, which helps to efficiently separate slag and water, and can also effectively prevent ash slag particles from entering the water storage chamber 3, thus avoiding the problem of filter screen blockage. Through this optimized design, the device can continuously maintain a good working state under high-load operating conditions, ensuring that the slag-water separation efficiency is always at the best level. The separated water is smoothly discharged into the water collection tank 13 through the extended drain port 4 and is transported to the slag scraper through the drain pipe 10 for recycling, thus realizing the efficient reuse of water resources.

[0034] In this embodiment, in order to further improve the cleaning and maintenance efficiency of the equipment, the device is equipped with a backwashing device 8. Whenever a work process ends, the backwashing device 8 will automatically start to thoroughly clean the inside of the water storage chamber 3, effectively removing the residual ash slag and dirt, ensuring the long-term cleanliness of the equipment and the continuous stability of the water drainage function, not only extending the maintenance cycle of the equipment but also significantly improving the operation efficiency and service life of the equipment.

[0035] In this embodiment, a special drain pipe 10 is designed at the bottom of the water collection tank 13 to guide the precipitated water to the subsequent water treatment system, which not only realizes the efficient separation of slag water, but also further reduces the operating cost of the system through the reuse of water. In order to cope with specific corrosive environments, the material and size of the equipment can also be adjusted according to specific operating conditions. For example, under strong acidic conditions, the conical water separation device 2 can use higher grade stainless steel materials to enhance its corrosion resistance and fatigue resistance, thereby ensuring long-term reliable operation of the equipment.

[0036] Working principle: During the normal operation of the device, slag water enters the slag discharge door device through the slag bin. The conical water separation device 2 embedded in the center of the slag discharge door panel 1 is responsible for the initial separation of the slag water. When the slag water flows through the conical water separation device 2, due to the conical structure design on the surface of the device, the water and ash are gradually separated. The separated water is collected along the surface of the conical device and discharged into the water collection tank 13 through the extended drain port 4, thereby realizing the efficient separation of slag water. In order to prevent ash particles from entering the water storage chamber 3, the conical water separation device 2 and the slag discharge door panel 1 are installed at a 35-degree angle, and the assembly gap is precisely controlled at 1 mm. This design can not only effectively prevent ash from entering the water storage chamber 3, but also ensure that the equipment continues to maintain a good working condition under high load conditions. In addition, the ash particles are blocked on the surface of the conical device during the water separation process and are discharged under gravity. Under the action, it slides to the bottom of the slag discharge door and is then discharged from the device. When the filter needs to be replaced or cleaned, the mesh port 5 and the special opening device designed in the device make this operation very convenient. The operator only needs to insert the opening device into the mesh port 5 at a 45-degree angle, and easily lift and remove the filter. Since the filter is designed to be replaceable online, the entire replacement process only takes a few minutes and does not require shutdown operations, thereby greatly reducing the downtime and maintenance costs of the equipment. In order to further improve the cleanliness and operating efficiency of the equipment, the device is also equipped with a backwashing device 8. When a work process is completed, the backwashing device 8 will automatically start to thoroughly rinse the water storage chamber 3 and the interior of the conical water analysis device 2. This process can effectively remove the ash and impurities remaining inside the equipment, ensure the long-term stable operation of the water analysis device, and prevent the occurrence of blockage.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A water separation and slag discharge door device that can be replaced online, comprising a frame (9), characterized in that: A driving mechanism (11) is fixedly mounted on the surface of the seat frame (9); a water separation door body (12) is fixedly mounted on the output end of the driving mechanism (11); a water collecting trough (13) is fixedly mounted on the surface of the seat frame (9); a drainage pipe (10) is fixedly mounted at the bottom of the water collecting trough (13); the water separation door body (12) comprises a slag discharge door panel (1), a water storage chamber (3), a conical water separation device (2) and an extended drainage outlet (4); net taking ports (5) are provided on both sides of the conical water separation device (2); a net taking block (6) is fixedly mounted on the surface of the net taking port (5); a special device (7) for an opening device is inserted inside the net taking port (5); and a backwashing device (8) is fixedly mounted at the bottom of the slag discharge door panel (1).

2. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The slag discharge door panel (1) is made of Cr26 high wear-resistant alloy steel and adopts the lost foam precision casting process.

3. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The conical water separation device (2) is made of 316 stainless steel.

4. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The conical water separation device (2) and the slag discharge door panel (1) are installed at an angle of 35 degrees, and the assembly gap is 1 mm.

5. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The opening device dedicated device (7) is inserted obliquely into the net access port (5) at an angle of 45 degrees to the net access port (5).

6. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The conical water separation device (2) is embedded in the center of the slag discharge door panel (1), and the extended water outlet (4) is connected to the water outlet of the slag discharge door panel (1).

7. The water separation and slag discharge door device that can be replaced online according to claim 1 is characterized in that: The water outlet of the extended drain outlet (4) is located above the water collecting tank (13).

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