Inverted filter cartridge black water filter

Abstract

The utility model provides a filter cartridge inverted type black water filter relates to black water filter technical field, including the cylinder and the cylinder cap, the cylinder cap is connected with the cylinder and is formed with the containing cavity, the containing cavity is built -in with the ring board and the inverted filter cartridge of inclination, the opening end of filter cartridge is pasted with the ring board through the flange and is connected, the inclination high end of ring board is higher than the water inlet of filter cartridge, and the inclination low end is lower than the water outlet of filter cartridge, the inner chamber of filter cartridge is communicated with containing cavity through the hollow portion of ring board and forms the filter chamber, through the filter cartridge in the filter is set up in the inside of the cylinder, utilize the inversion of filter cartridge, the gravity of the dregs and dirt that passed through the filter cartridge falls to the bottom of the cylinder and gathers under the action, can effectively reduce the probability that the filter cartridge appears the blockage, solved the filter cartridge of current black water filter after being filled, the dregs and dirt in the filter cartridge directly block the flow channel, influence flow, lead to the problem that black water filter is easy to appear the blockage, improved the filtering efficiency of black water filter.

Description

Technical Field

[0001] This utility model relates to the field of black water filter technology, specifically to a filter cartridge inverted black water filter. Background Technology

[0002] Black water is the liquid discharged from the gasifier, cyclone separator and water washing tower of the coal gasification unit. It contains a large number of solid particles, which can easily cause blockage of pipes and equipment. It needs to be filtered by a black water filter before it can be recycled. Currently, black water filters are generally installed on black water pipes to filter the black water flowing out of the pipes, enabling the recycling of the filtered black water. However, when the filter cartridge is full, the scale inside directly blocks the flow channel, affecting the flow rate and causing the black water filter to easily become clogged, thus reducing the filtration efficiency of the black water filter. Utility Model Content

[0003] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides an inverted filter cartridge black water filter, which solves the problem that when the filter cartridge is full, the scale inside directly clogs the flow channel, affecting the flow rate.

[0004] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: In this utility model, an inverted cartridge black water filter includes a cartridge body and a cartridge cap; The cap is connected to the cylinder body and forms a cavity; The cavity contains an inclined annular plate and an inverted filter cartridge. The open end of the filter cartridge is attached to and connected to the ring plate via a flange; The high end of the inclined ring plate is higher than the inlet of the filter cartridge, and the low end is lower than the outlet of the filter cartridge. The inner cavity of the filter cartridge is connected to the container cavity through the hollow part of the ring plate to form a filter cavity; The outer diameter of the flange is larger than the inner diameter of the ring plate.

[0005] Furthermore, the cap and the cylinder body together form an annular groove one and an annular groove two; The second annular groove is fitted onto the first annular groove, and the first annular groove is connected to the cavity. The filter cartridge has a support plate on the outer wall of the filter screen, and the support plate is located in an annular groove. The annular groove 2 is equipped with a sealing gasket for sealing between the cap and the body.

[0006] Furthermore, a flexible sleeve is fitted onto the outer surface of the support plate.

[0007] Furthermore, a support block is installed inside the cylinder; The outer wall of the filter cartridge is provided with a support block; When the filter cartridges are placed, the support block lifts the filter cartridges together via the support block.

[0008] Furthermore, the cylinder is equipped with an inlet valve at the inlet and an outlet valve at the outlet, which are used to control the water inlet and outlet of the cylinder, respectively.

[0009] Furthermore, a drain valve is provided on the side of the cylinder away from the cap to control the discharge of sludge and scale from the drain port of the cylinder.

[0010] Furthermore, the inclination angle of the ring plate is 45°.

[0011] Furthermore, the cylinder body is provided with a support leg on the side opposite to the cap.

[0012] Furthermore, the cap is provided with a lifting lug on the side opposite to the cylinder body.

[0013] (III) Beneficial Effects This utility model provides a cartridge-type inverted black water filter. Compared with the prior art, it has the following advantages: By inverting the filter cartridge inside the filter body, the scale and sludge in the cartridge fall to the bottom of the body under gravity, effectively reducing the probability of clogging. This solves the problem that in current black water filters, when the cartridge is full, the scale and sludge directly block the flow channel, affecting the flow rate and causing the black water filter to clog easily, thus improving the filtration efficiency of the black water filter. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of a cartridge-type black water filter. Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 for Figure 2 A schematic diagram of the structure in which the middle cylinder and the cap are closed to form annular groove one and annular groove two; Figure 4 for Figure 1 Enlarged view of point B in the middle; Figure 5 for Figure 1 A schematic diagram of the structure of an inverted cartridge black water filter during filtration.

[0016] Figure label: 1. Cylinder body; 10. Chamber; 101. Drain valve; 102. Support leg; 11. Ring plate; 12. Support block; 2. Cylinder cap; 20. Bolt; 201. Spiral wound gasket; 21. Lifting lug; 3. Filter cartridge; 30. Filter chamber; 31. Flange; 32. Support block one; 33. Support plate; 34. Support block two; 4. Water inlet valve; 5. Water outlet valve; 6. Annular groove one; 7. Annular groove 2; 70. Sealing gasket. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] This application provides an inverted filter cartridge black water filter, which solves the problem that when the filter cartridge is full, the scale inside directly blocks the flow channel, affecting the flow rate, and improves the filtration efficiency of the black water filter.

[0019] The technical solution in this application is to solve the above-mentioned technical problems, and the general idea is as follows: In the existing technology, when carrying out multi-component slurry gasification technology, a black water filter is set before the quench ring of the gasifier to filter the black water from the carbon washing tower, so as to prevent larger particles from entering the quench ring and clogging the quench ring pores. However, when the filter cartridge of the current black water filter is full, the sludge inside the filter cartridge directly blocks the flow channel, affecting the flow rate, which makes the black water filter prone to clogging and reduces the filtration efficiency of the black water filter. like Figures 1-5 As shown, research has found that by inverting the filter cartridge inside the filter body, the scale and sludge in the filter cartridge fall to the bottom of the body under gravity, effectively reducing the probability of filter cartridge clogging. This solves the problem that in current black water filters, when the filter cartridge is full, the scale and sludge inside directly block the flow channel, affecting the flow rate and causing the black water filter to clog easily, thus improving the filtration efficiency of the black water filter.

[0020] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 As shown, an inverted cartridge black water filter includes a cartridge body 1 and a cartridge cap 2; The cap 2 is connected to the cylinder 1 and forms a cavity 10; The cavity 10 contains an inclined annular plate 11 and an inverted filter cartridge 3. The open end of the filter cartridge 3 is attached and connected to the ring plate 11 via flange 31; The inclined high end of the ring plate 11 is higher than the water inlet of the filter cartridge 3, and the inclined low end is lower than the water outlet of the filter cartridge 3. The inner cavity of the filter cartridge 3 is connected to the cavity 10 through the hollow part of the ring plate 11 to form a filter cavity 30; The outer diameter of the flange 31 is larger than the inner diameter of the ring plate 11.

[0022] By inverting the filter cartridge 3 inside the cylinder 1, the scale inside the filter cartridge 3 falls to the bottom of the cylinder 1 under the force of gravity, effectively reducing the probability of clogging. This solves the problem that in current black water filters, when the filter cartridge 3 is full, the scale inside the filter cartridge 3 directly blocks the flow channel, affecting the flow rate and causing the black water filter to clog easily, thus improving the filtration efficiency of the black water filter.

[0023] Specifically, when setting the ring plate 11, the tilt angle of the ring plate 11 is 45°; Filter cartridge 3 is U-shaped.

[0024] It should be noted that the inlet of the cylinder 1 is equipped with an inlet valve 4 and the outlet is equipped with an outlet valve 5. The inlet valve 4 and the outlet valve 5 are used to control the water inlet and outlet of the cylinder 1.

[0025] Specifically, in practical applications, the flange 31 on the filter cartridge 3 can be detachably connected to the ring plate 11 by means of plug-in connection or other common installation methods when installing the filter cartridge 3 in the filter. The ring plate 11 is fixedly connected to the inside of the cylinder 1 by welding or other means.

[0026] Specifically, such as Figure 1 As shown, the cylinder 1 is provided with a support leg 102 on the side opposite to the cap 2 for grounding; The cap 2 is provided with a lifting lug 21 on the side opposite to the cylinder 1 for hoisting and transportation.

[0027] like Figure 1As shown, a drain valve 101 is provided on the side of the cylinder 1 away from the cap 2, which is used to control the discharge of sludge and scale from the drain port of the cylinder 1.

[0028] It should be noted that differential pressure sensors are installed at the inlet and outlet of the black water filter and at the drain outlet to determine the degree of clogging and scaling of the filter, thereby determining whether to clean the filter or replace the filter cartridge 3.

[0029] The differential pressure sensor is conventionally used in the filter, and its control method is not the point to be protected in this application. Its specific working principle will not be elaborated here.

[0030] like Figures 1-4 As shown, the cap 2 and the cylinder body 1 are fitted together to form an annular groove 6 and an annular groove 7; The second annular groove 7 is sleeved on the first annular groove 6, and the first annular groove 6 is connected to the cavity 10. The filter cylinder 3 has a support plate 33 on the outer wall of the filter screen, and the support plate 33 is located in the annular groove 6; The annular groove 7 is provided with a sealing gasket 70 for sealing between the cap 2 and the body 1.

[0031] The cap 2 and the cylinder body 1 are closed to form annular groove 6 and annular groove 7. The annular groove 6 is used to compact the support plate 33, which improves the stability of the filter screen of the filter cartridge 3 during the process of filtering black water impact. The installation of the cap 2 also enhances the stability of the filter cartridge 3. No additional installation work is required. The whole process is simple and easy to operate.

[0032] Specifically, a flexible sleeve is fitted on the outer surface of the support plate 33 for sealing the cap 2 and the cylinder 1. The flexible sleeve and the sealing gasket 70 form a double seal, which further enhances the sealing performance after the cap 2 and the cylinder 1 are closed, reduces the probability of water leakage during the black water filter filtration process, and effectively improves the stability of the filter cartridge 3 installation.

[0033] like Figures 1-2 As shown, a support block 12 is installed inside the cylinder 1; The outer wall of the filter cartridge 3 is provided with a support block 32; When the filter cartridge 3 is placed, the support block 12 supports the filter cartridge 3 through the support block 32, reducing the force exerted by the filter cartridge 3 on the ring plate 11, increasing the service life of the ring plate 11, and effectively reducing the filter replacement cost.

[0034] Specifically, the support block 32 is fixed to the support block 12 by screws; The support block 12 is detachably connected to the cylinder 1; The filter cartridge 3 is provided with a second support block 34 on its outer wall, and the second support block 34 is provided with a flexible structure in the circumferential direction near the cartridge 1. The flexible structure can be a rubber ring, etc., which enhances the stability of the filter cartridge 3 in contact with the cap 2 after the cap 2 is closed, further improving the stability of the filter cartridge 3 in the filtration process and facilitating the filtration of black water by the filter cartridge 3.

[0035] like Figure 1 , Figures 3-4 As shown, the cap 2 is fixed to the cylinder 1 by bolts 20; The outer wall of the bolt 20 located in the annular groove 7 is fitted with a spiral wound pad 201 to enhance the stability of the installation of the cap 2 and the cylinder 1.

[0036] During work: First, install the filter cartridge 3 into the cylinder body 1, and use bolts 20 to seal the cap 2 and the cylinder body 1. After installation, as follows... Figure 1 and Figure 5 As shown, the entire filter cartridge 3 is inverted inside the cylinder 1; It should be noted that after the filter cartridge 3 is installed, the overall sealing performance of the filter meets the requirements for filter use, and the materials of its corresponding parts also meet the requirements for filter use, which will not be elaborated here; Then, when using a filter for filtration, the specific working process is as follows: Control the opening of the inlet valve 4 so that the black water to be filtered enters the cylinder 1 through the inlet of the cylinder 1; Next, as the black water entering the cylinder 1 gathers and gradually comes into contact with the ring plate 11, it passes through the hollow part of the ring plate 11 and through the flange 31 into the inner cavity of the filter cylinder 3, where it is filtered by the filter screen on the filter cylinder 3. The filtered water accumulates between the outer wall of the filter screen and the cavity 10. Then, the filtered water is controlled by the outlet valve 5 to flow out through the outlet of the cylinder 1. Figure 5 As shown; After prolonged filtration, if too many impurities accumulate at the bottom of the chamber 10, the drain valve 101 can be used to open the drain port and allow the impurities to be discharged.

[0037] Example: A company undertook the design of a multi-component slurry gasification technology. Two black water filters were installed in parallel before the quench ring of the gasifier to filter the black water from the carbon washing tower and prevent larger particles from entering the quench ring and clogging the quench ring pores. The inverted black water filter cartridge 3 of this application changes the internal structure of the equipment. In the original design, when the cartridge 3 was full, the scale inside the filter screen of the cartridge 3 directly blocked the flow channel, affecting the flow rate. In this application, although the filter screen of the cartridge 3 is still on the black water flow channel, the flow height of the filtration chamber 30 formed by the cartridge 3 and the cavity 10 is increased. When the filter screen of the cartridge 3 is partially blocked, it does not affect normal use. Furthermore, with the implementation of this application, the ash storage capacity of the black water filter increases, that is, it changes from the original ash storage capacity (the filter screen volume of filter cartridge 3) to the current ash storage capacity (the filter screen volume of filter cartridge 3 and the volume of the cavity 10 below the ring plate 11), which can effectively extend the service life of the filter. In actual production, only one new filter needs to be put into use for one operating cycle, which solves the bottleneck of long-cycle operation of the gasifier and increases the gasifier operating cycle from 60 days to 70 days. The increased operating cycle reduces maintenance, start-up and shutdown costs, resulting in an annual benefit of approximately 775,040 yuan. The gasifier reduces the number of maintenance and repair operations, reduces the workload of maintenance personnel, and lowers the risks associated with gasifier start-up, shutdown, and maintenance. It also reduces the number of times the gasifier is turned over, reduces venting, and saves energy.

[0038] In summary, compared with existing technologies, it has the following beneficial effects: 1. By inverting the filter cartridge 3 inside the cylinder 1, the scale inside the filter cartridge 3 falls to the bottom of the cylinder 1 under the force of gravity, effectively reducing the probability of clogging. This solves the problem that in current black water filters, when the filter cartridge 3 is full, the scale inside the filter cartridge 3 directly blocks the flow channel, affecting the flow rate and causing the black water filter to clog easily, thus improving the filtration efficiency of the black water filter.

[0039] 2. The annular groove 6 and the annular groove 7 are formed by the cap 2 and the cylinder 1. The annular groove 6 is used to compact the support plate 33, which improves the stability of the filter screen of the filter cartridge 3 during the process of filtering black water impact. The installation of the cap 2 also strengthens the stability of the filter cartridge 3. No additional installation work is required. The whole process is simple and easy to operate.

[0040] 3. By providing a flexible sleeve on the outer surface of the support plate 33 for sealing the cap 2 and the cylinder 1, a double seal is formed by the flexible sleeve and the sealing gasket 70, which further enhances the sealing performance after the cap 2 and the cylinder 1 are closed, reduces the probability of water leakage during the black water filter filtration process, and effectively improves the stability of the filter cartridge 3 installation.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A cartridge-type inverted black water filter, characterized in that, Includes a cylindrical body (1) and a cap (2); The cap (2) is connected to the cylinder (1) and forms a cavity (10); The cavity (10) contains an inclined ring plate (11) and an inverted filter cartridge (3). The open end of the filter cartridge (3) is attached and connected to the ring plate (11) through a flange (31); The inclined high end of the ring plate (11) is higher than the inlet of the filter cartridge (3), and the inclined low end is lower than the outlet of the filter cartridge (3); The inner cavity of the filter cartridge (3) is connected to the cavity (10) through the hollow part of the ring plate (11) to form a filter cavity (30). The outer diameter of the flange (31) is larger than the inner diameter of the ring plate (11).

2. The inverted cartridge black water filter as described in claim 1, characterized in that, The cap (2) and the cylinder (1) are fitted together to form an annular groove one (6) and an annular groove two (7); The second annular groove (7) is fitted onto the first annular groove (6), and the first annular groove (6) is connected to the cavity (10); The filter cylinder (3) has a support plate (33) on its outer wall, and the support plate (33) is located in the annular groove (6). The annular groove 2 (7) is provided with a sealing gasket (70) for sealing between the cap (2) and the cylinder (1).

3. A cartridge-type inverted black water filter as described in claim 2, characterized in that, The outer surface of the support plate (33) is fitted with a flexible sleeve.

4. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The cylinder (1) is equipped with a support block (12). The filter cartridge (3) is provided with a support block (32) on its outer wall; When the filter cartridge (3) is placed, the support block (12) lifts the filter cartridge (3) through the support block (32).

5. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The cylinder (1) is equipped with an inlet valve (4) at the inlet and an outlet valve (5) at the outlet, which are used to control the water inlet and outlet of the cylinder (1) respectively.

6. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The cylinder (1) is provided with a drain valve (101) on the side away from the cap (2) to control the discharge of sludge and scale from the drain port of the cylinder (1).

7. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The inclination angle of the ring plate (11) is 45°.

8. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The cylinder (1) is provided with a support leg (102) on the side away from the cap (2).

9. A cartridge-type inverted black water filter as described in claim 1, characterized in that, The cap (2) is provided with a lug (21) on the side opposite to the cylinder (1).

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