Saline water refining filter

Abstract

The utility model relates to a brine refining filter which comprises a filter cartridge (13), a filter screen (14) and a filter element (15); a turbine (21), a bevel gear (23) and a straight gear (24); the rotating shaft (26) is rotationally connected with the mounting shell (22), and a scraping plate (27) is rotationally arranged at the end part of the rotating shaft (26) and is in contact with the surface of the filter screen (14); to-be-treated saline water enters the filter cartridge (13) through the water inlet pipe (11) and drives the turbine (21) to rotate and drives the mounting shell (22), the rotating shaft (26) and the scraper (27) to revolve around the central shaft (25), and meanwhile, the straight gear (24) is meshed with the fixedly arranged bevel gear (23) and drives the straight gear (24), the rotating shaft (26) and the scraper (27) to rotate, so that the scraper (27) can simultaneously rotate and revolve around the center of the filter screen (14) to scrape impurities on the surface of the filter screen (14); the impurity removal effect is good, and the filter screen (14) is effectively prevented from being blocked to influence the filtering efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of brine filtering, in particular to a brine refining filter. Background Art

[0002] The primary brine refining process of chlor-alkali chemical industry used the "pre-processor + fine filtration" process in the early stage. With the development of filtration technology, more and more enterprises are using the filtration process without pre-processor. The characteristics of this process are "coarse filtration + fine filtration". First, the filter screen is used for coarse filtration to remove fine particulate matter in the water, and then the filter element is used for fine filtration to remove salt, heavy metals, and bacterial plasma in the water, so as to obtain high-purity water. In the actual operation of the factory, since the brine contains more impurities, long-term use will easily cause impurities to adhere to the coarse filtration filter screen. If it is not cleaned in time, it will easily cause the filter screen to be blocked, affecting the filtration efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is that in the actual operation of the existing salt water filter in the factory, since the salt water contains more impurities, the impurities are easily attached to the coarse filtration filter screen after long-term use. If it is not cleaned in time, it is easy to cause the filter screen to be blocked, affecting the filtration efficiency.

[0004] In order to solve the above problems, the utility model provides a brine refining filter, including a filter cartridge with a water inlet pipe and a water outlet pipe respectively connected on both sides, a filter screen and a filter element are respectively fixed in the filter cartridge near the water inlet pipe and the water outlet pipe, a turbine is rotatably provided in the filter cartridge opposite to the water inlet pipe, the turbine is fixed to a mounting shell, a bevel gear and a spur gear meshing with each other are provided in the mounting shell, the bevel gear is fixed to a central shaft, the central shaft is rotatably connected to the mounting shell and fixed to the filter cartridge, the spur gear is fixed to a rotating shaft, the rotating shaft is rotatably connected to the mounting shell and a scraper is rotatably provided at the end, and the scraper contacts the surface of the filter screen.

[0005] The brine refining filter provided by the utility model also has the following technical features:

[0006] The filter screen is arranged to be gradually recessed from the edge to the center thereof toward the direction of the water outlet pipe.

[0007] The central shaft and the rotating shaft are both rotatably and sealingly connected to the mounting shell.

[0008] Both ends of the filter element are fixed with mounting plates. The mounting plate close to the filter screen is fixed to the central axis, the central axis is fixed to the center of the filter screen, and the mounting plate away from the filter screen is fixed to the inner wall of the filter cartridge. The filter element is hollow and connected to the water outlet pipe.

[0009] A connecting rod is fixed on the outer circumferential surface of the mounting shell, an end of the connecting rod is fixed to a cleaning plate, and the cleaning plate is in contact with the inner circumferential surface of the filter cartridge.

[0010] A sewage outlet is provided on the side wall of the filter cartridge close to the water inlet pipe, and a sewage outlet pipe connected with the sewage outlet is fixed outside the filter cartridge.

[0011] The water outlet pipe is fixedly connected with the backwash pipe.

[0012] The utility model has the following beneficial effects: the salt water to be treated enters the filter cartridge through the water inlet pipe and drives the turbine to rotate, driving the mounting shell, the rotating shaft and the scraper to revolve around the central axis, and at the same time the spur gear is meshed with the fixed bevel gear to drive the spur gear, the rotating shaft and the scraper to rotate, so that the scraper can simultaneously rotate on its own and revolve around the center of the filter to scrape off debris on the surface of the filter, with a good debris removal effect, effectively avoiding clogging of the filter and affecting the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a partial cross-sectional view of the utility model;

[0014] Figure 2 for Figure 1 A partial axonometric drawing of . DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0016] like Figure 1 to Figure 2 As shown, the utility model salt water refining filter includes a filter cartridge 13 with an inlet pipe 11 and an outlet pipe 12 connected to both sides respectively, a filter screen 14 and a filter element 15 are fixed in the filter cartridge 13 near the inlet pipe 11 and the outlet pipe 12 respectively, a turbine 21 is rotatably provided in the filter cartridge 13 facing the inlet pipe 11, the turbine 21 is fixed to a mounting shell 22, a bevel gear 23 and a spur gear 24 meshing with each other are provided in the mounting shell 22, the bevel gear 23 is fixed to a central shaft 25, the central shaft 25 is rotatably connected to the mounting shell 22 and fixed to the filter cartridge 13, the spur gear 24 is fixed to a rotating shaft 26, the rotating shaft 26 is rotatably connected to the mounting shell 22 and a scraper 27 is rotatably provided at the end, and the scraper 27 contacts the surface of the filter screen 14.

[0017] The salt water to be treated enters the filter cartridge 13 through the water inlet pipe 11 and drives the turbine 21 to rotate, driving the mounting shell 22, the rotating shaft 26 and the scraper 27 to revolve around the central axis 25. At the same time, the spur gear 24 is meshed with the fixed bevel gear 23, driving the spur gear 24, the rotating shaft 26 and the scraper 27 to rotate, so that the scraper 27 simultaneously rotates and revolves around the center of the filter screen 14 to scrape off the debris on the surface of the filter screen 14, with good debris removal effect, effectively avoiding clogging of the filter screen 14 and affecting the filtering efficiency.

[0018] Wherein, the water inlet pipe 11 and the water outlet pipe 12 are both provided with valves.

[0019] The rotating shaft 26 is tilted from the turbine 21 to the filter screen 14 and from the center to the edge of the filter cartridge 13, so that the scraper 27 can simultaneously rotate and revolve around the center of the filter screen 14 to scrape off debris from the surface of the filter screen 14.

[0020] Preferably, the filter screen 14 is gradually recessed from its edge to its center toward the water outlet pipe 12 .

[0021] The utility model reduces the impact force of the pressurized water flow on the filter screen 14 by arranging the concave filter screen 14, thereby avoiding damage to the filter screen 14.

[0022] Preferably, the central shaft 25 and the rotating shaft 26 are both rotatably and hermetically connected to the mounting shell 22 .

[0023] Preferably, mounting plates 16 are fixed at both ends of the filter element 15, the mounting plate 16 on the side close to the filter screen 14 is fixed to the central axis 25, the central axis 25 is fixed to the center of the filter screen 14, the mounting plate 16 on the side away from the filter screen 14 is fixed to the inner wall of the filter cartridge 13, and the filter element 15 is hollow and connected to the water outlet pipe 12.

[0024] The edge of the mounting plate 16 close to the filter screen 14 is chamfered to facilitate water to flow into the filter element 15 from the edge after passing through the filter screen 14 .

[0025] Preferably, a connecting rod 31 is fixed to the outer circumferential surface of the mounting shell 22 , an end of the connecting rod 31 is fixed to a cleaning plate 32 , and the cleaning plate 32 is in contact with the inner circumferential surface of the filter cartridge 13 .

[0026] The utility model drives the mounting shell 22 to revolve around the central axis 25 through the turbine 21, drives the connecting rod 31 and the cleaning plate 32 to revolve, and enables the cleaning plate 32 to clean the attachments on the inner wall of the filter cartridge 13 on one side of the filter screen 14 in time.

[0027] Preferably, a sewage outlet 33 is provided on the side wall of the filter cartridge 13 close to the water inlet pipe 11 , and a sewage outlet pipe 34 connected to the sewage outlet 33 is fixed outside the filter cartridge 13 .

[0028] Wherein, the sewage pipe 33 is provided with a valve.

[0029] Preferably, the water outlet pipe 12 is fixedly connected to the backwash pipe 17 .

[0030] After the backwash pipe 17 is opened, the clean water enters the filter element 15 through the outlet pipe 12 to reversely wash the filter element 15, and the washed water flows through the filter screen 14 into the sewage outlet 33 for discharge.

[0031] Wherein, the backwash pipe 17 is provided with a valve.

[0032] The working principle of the utility model is as follows:

[0033] Open the valves on the water inlet pipe 11 and the water outlet pipe 12, and pass the salt water to be treated into the filter cartridge 13 through the water inlet pipe 11. The water flow impacts the turbine 21 to rotate, driving the mounting shell 22, the rotating shaft 26 and the scraper 27 to revolve around the central axis 25. At the same time, the spur gear 24 is meshed with the fixed bevel gear 23, driving the spur gear 24, the rotating shaft 26 and the scraper 27 to rotate, so that the scraper 27 simultaneously rotates and revolves around the center of the filter screen 14 to scrape off the debris on the surface of the filter screen 14, which has a good impurity removal effect and effectively avoids The filter screen 14 is clogged, affecting the filtration efficiency; at the same time, the mounting shell 22 drives the connecting rod 31 and the cleaning plate 32 to revolve, so that the cleaning plate 32 can timely clean the attachments on the inner wall of the filter cartridge 13 on one side of the filter screen 14; after the water flows through the filter screen 14 for preliminary coarse filtration, the fine particulate matter in the water is removed, and the water flows from the inner edge of the filter cartridge 13 into the filter element 15 for fine filtration, and the salt, heavy metals, and bacterial plasma in the water are removed, thereby obtaining high-purity water, and flowing out from the water outlet pipe 12, and the water flows to the following direction: Figure 1 As shown by the middle arrow; when the filter element 15 needs to be cleaned, the valve on the backwash pipe 17 is opened, and clean water is passed into the filter element 15 through the outlet pipe 12 to backwash the filter element 15, and the flushed water flows through the filter screen 14 into the sewage outlet 33 for discharge.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A salt water refining filter, comprising a filter cartridge (13) connected to a water inlet pipe (11) and a water outlet pipe (12) on both sides, wherein a filter screen (14) and a filter element (15) are fixed in the filter cartridge (13) near the water inlet pipe (11) and the water outlet pipe (12), respectively, wherein: A turbine (21) is rotatably provided in the filter cartridge (13) at a position facing the water inlet pipe (11). The turbine (21) is fixed to a mounting shell (22). A bevel gear (23) and a spur gear (24) are provided in the mounting shell (22) and mesh with each other. The bevel gear (23) is fixed to a central shaft (25). The central shaft (25) is rotatably connected to the mounting shell (22) and is fixed to the filter cartridge (13). The spur gear (24) is fixed to a rotating shaft (26). The rotating shaft (26) is rotatably connected to the mounting shell (22) and a scraper (27) is rotatably provided at the end thereof. The scraper (27) contacts the surface of the filter screen (14).

2. The brine refining filter according to claim 1, characterized in that: The filter screen (14) is arranged to be gradually recessed from its edge to its center in the direction of the water outlet pipe (12).

3. The brine refining filter according to claim 1, characterized in that: The central shaft (25) and the rotating shaft (26) are both rotatably and sealingly connected to the mounting shell (22).

4. The brine refining filter according to claim 1, characterized in that: Mounting plates (16) are fixed to both ends of the filter element (15); the mounting plate (16) on the side close to the filter screen (14) is fixed to the central axis (25); the central axis (25) is fixed to the center of the filter screen (14); the mounting plate (16) on the side away from the filter screen (14) is fixed to the inner wall of the filter cartridge (13); the filter element (15) is hollow and communicates with the water outlet pipe (12).

5. The brine refining filter according to claim 1, characterized in that: A connecting rod (31) is fixed to the outer circumferential surface of the mounting shell (22); the end of the connecting rod (31) is fixed to a cleaning plate (32); and the cleaning plate (32) is in contact with the inner circumferential surface of the filter cartridge (13).

6. The brine refining filter according to claim 5, characterized in that: A sewage outlet (33) is provided on the side wall of the filter cartridge (13) close to the water inlet pipe (11), and a sewage outlet pipe (34) connected to the sewage outlet (33) is fixed outside the filter cartridge (13).

7. The brine refining filter according to claim 1, characterized in that: The water outlet pipe (12) is fixedly connected to the backwash pipe (17).

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