Precise filtering device for silver nitrate liquid

Abstract

The utility model relates to the technical field of silver nitrate liquid, in particular to a silver nitrate liquid precise filtering device which comprises a shell, an end cover is installed on the top of the shell through a bolt, a coarse filter element and a precise filter element are arranged in the shell, the precise filter element is located in the coarse filter element, and a first cleaning assembly is arranged in the shell and located on the outer side of the coarse filter element. A second cleaning assembly is arranged in the shell and located between the coarse filter element and the precise filter element. According to the silver nitrate filtering device, the coarse filter element and the precise filter element are arranged, so that double filtration of silver nitrate liquid is realized, and the filtering effect is improved; then the impeller rotates, on one hand, the filtering efficiency is improved, on the other hand, the first cleaning assembly and the second cleaning assembly are matched, filtering impurities on the outer walls of the coarse filter element and the precise filter element are synchronously cleaned, and the problem that the filtering efficiency is reduced due to blockage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of silver nitrate liquid, in particular to a silver nitrate liquid precision filtering device. Background Art

[0002] Silver nitrate is a basic chemical raw material and is the raw material for preparing other silver chemical products and silver-based materials. It is mainly used in photovoltaic power generation, electronic components, petrochemicals, mirror making, medicine, photography and other fields. The silver nitrate solution contains impurity ions such as iron, copper, bismuth, and lead in a water-soluble form. It is necessary to add an impurity remover to precipitate these impurity ions, and then separate the silver nitrate solution from the insoluble impurities by filtering.

[0003] However, the existing common filtering device for silver nitrate liquid only performs a single filtering process through an internal filter element with a single filtering accuracy during use, and cannot achieve multiple filtering effects on the silver nitrate liquid. There is a problem of low filtering effect, and during the filtering process, it is impossible to simultaneously clean the impurities filtered on the surface of the filter element. As the use time increases, the continuously accumulated impurities will continuously reduce the filtering efficiency.

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a silver nitrate liquid precision filtering device to solve the above-mentioned technical defects. The utility model first realizes double filtration of the silver nitrate liquid by setting a coarse filter element and a precision filter element, thereby improving the filtering effect; then with the help of the rotation of the impeller, on the one hand, the filtering efficiency is accelerated, and on the other hand, cleaning components one and two are cooperated to synchronously complete the cleaning of impurities filtered on the outer walls of the coarse filter element and the precision filter element, thereby preventing blockage and reducing the filtering efficiency.

[0006] This is achieved through the following technical solutions:

[0007] A silver nitrate liquid precision filtering device comprises a housing, the top bolts of the housing are bolted with an end cover, a coarse filter element and a precision filter element are arranged in the housing, and the precision filter element is located inside the coarse filter element, a cleaning component 1 is arranged in the housing and located outside the coarse filter element, and a cleaning component 2 is arranged in the housing and located between the coarse filter element and the precision filter element;

[0008] The top of the end cover is fixedly connected with a liquid outlet pipe extending to the interior of the precision filter element, a boosting chamber is opened in the bottom side wall of the shell, the bottom of the shell is fixedly connected with a liquid inlet pipe connected with the boosting chamber, and a plurality of liquid inlet cavities connected with the boosting chamber are opened in the annular side wall of the shell. The plurality of liquid inlet cavities are distributed in an annular array, and a plurality of liquid inlet channels connected with the interior of the shell are equidistantly opened in the vertical direction on the same side of each liquid inlet cavity.

[0009] Preferably, a snap-in seat is fixedly connected to the bottom of the shell, a snap-in groove 1 is provided at the bottom of the end cover, the coarse filter element is snap-in between the snap-in seat and the snap-in groove 1, a rotating shaft is rotatably connected to the bottom of the shell, and a snap-in platform is rotatably connected to the top of the rotating shaft, a snap-in groove 2 is provided at the bottom of the end cover, and the precision filter element is snap-in between the snap-in platform and the snap-in groove 2.

[0010] Preferably, the bottom end of the rotating shaft passes through the boost chamber and is fixedly connected to an impeller, and the bottom bolts of the housing are bolted with a motor for driving the impeller to rotate.

[0011] Preferably, the cleaning assembly includes a rotating ring, a push plate and a cleaning brush. The annular outer wall of the clamping seat is rotatably connected to a rotating ring, and the top of the rotating ring is fixedly connected to a plurality of push plates distributed in a circular array, and one side of the push plate is fixedly connected to a cleaning brush that is slidably connected to the outer wall of the coarse filter element.

[0012] Preferably, the cleaning component 2 includes a rotating plate and a cleaning brush 2, a rotating plate is rotatably connected to the annular inner wall of the clamping seat, and a plurality of cleaning brushes 2 are fixedly connected to the top of the rotating plate and slidably connected to the outer wall of the precision filter element, and the plurality of cleaning brushes 2 are distributed in a circular array.

[0013] Preferably, a transmission rod is rotatably connected to one side of the bottom of the shell, and gear one and gear two are fixedly connected to both ends of the transmission rod respectively, the top of the impeller is fixedly connected to a gear ring one meshing with gear one, and the bottom of the rotating plate is fixedly connected to a gear ring two meshing with gear two.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model can realize double filtration of silver nitrate liquid by arranging a coarse filter element and a fine filter element in the shell, ensure that large impurities and fine particles in the silver nitrate liquid can be effectively removed, thereby improving the filtering effect of the silver nitrate liquid; and in the filtering process, the impeller is driven to rotate by a motor, which can accelerate the extraction of the silver nitrate liquid on the one hand, thereby improving the filtering efficiency; on the one hand, the liquid inlet cavity and the liquid inlet channel are coordinated to make the silver nitrate liquid enter the shell in a vortex shape, forcing the push plate to rotate, and using a cleaning brush to clean the outer side wall of the coarse filter element, thereby avoiding the problem of clogging of the coarse filter element and reducing the filtering efficiency; on the other hand, the transmission rod is coordinated to drive the rotating plate to rotate, and drive the cleaning brush to clean the outer side wall of the fine filter element, thereby avoiding the problem of clogging of the fine filter element and reducing the filtering efficiency; while realizing double filtration of the silver nitrate liquid, it has a higher filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings;

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the housing of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the housing of the utility model;

[0020] Figure 4 This is a schematic diagram of the cooperation between the cleaning component 1 and the coarse filter element of the utility model;

[0021] Figure 5 This is a schematic diagram of the cooperation between the cleaning component 2 and the precision filter element of the utility model;

[0022] Figure 6 This is a schematic diagram of the connection between the cleaning component 2 and the transmission rod of the utility model;

[0023] Figure 7 It is a schematic diagram of the connection between the impeller and the transmission rod of the utility model.

[0024] Legend:

[0025] 1. Shell; 11. End cover; 12. Coarse filter element; 13. Precision filter element; 14. Liquid outlet pipe; 15. Pressurization chamber; 16. Liquid inlet pipe; 17. Liquid inlet chamber; 18. Liquid inlet channel; 19. Connector;

[0026] 2. Cleaning assembly 1; 21. Rotating ring; 22. Push plate; 23. Cleaning brush 1;

[0027] 3. Cleaning assembly 2; 31. Rotating plate; 32. Cleaning brush 2; 33. Gear ring 2;

[0028] 4. Rotating shaft; 41. Clamping platform; 42. Impeller; 43. Motor; 44. Transmission rod; 45. Gear 1; 46. Gear 2; 47. Gear ring 1. DETAILED DESCRIPTION

[0029] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In view of the problem that the prior art only performs a single filtration process through an internal filter element with a single filtration accuracy, the filtration effect is low, and during the filtration process, the impurities filtered on the surface of the filter element cannot be cleaned synchronously, the following solution can be used to solve the problem;

[0031] See also Figure 1 - Figure 7 As shown, a silver nitrate liquid precision filtering device comprises a housing 1, a heating and heat preservation sleeve (not shown) is installed on the outer side of the housing 1 to prevent the silver nitrate liquid from crystallizing and causing clogging of the filter element when the temperature of the silver nitrate liquid inside the housing 1 is lower than a certain standard, thereby affecting the filtering efficiency. An end cover 11 is installed on the top bolt of the housing 1, and an anti-corrosion sealing ring is arranged between the housing 1 and the end cover 11 to increase the sealing performance between the two. A coarse filter element 12 and a precision filter element 13 are arranged in the housing 1, and the precision filter element 13 is located inside the coarse filter element 12;

[0032] By means of the coarse filter element 12 and the fine filter element 13 arranged in the housing 1, it is possible to achieve double filtration of the silver nitrate liquid, ensuring that both large particle impurities and fine particles in the silver nitrate liquid can be effectively removed, thereby improving the filtering effect of the silver nitrate liquid. A cleaning component 1 2 is arranged in the housing 1 and located outside the coarse filter element 12, for cleaning impurities filtered on the outside of the coarse filter element 12. A cleaning component 2 3 is arranged in the housing 1 and located between the coarse filter element 12 and the fine filter element 13, for cleaning impurities filtered on the outside of the fine filter element 13.

[0033] The top of the end cover 11 is fixedly connected to a liquid outlet pipe 14 extending to the interior of the precision filter element 13, which is used to discharge the filtered silver nitrate liquid. A boosting chamber 15 is opened in the bottom side wall of the shell 1 to boost the silver nitrate liquid entering the shell 1, thereby accelerating the filtering effect. The bottom of the shell 1 is fixedly connected to a liquid inlet pipe 16 connected to the boosting chamber 15. A plurality of liquid inlet chambers 17 connected to the boosting chamber 15 are opened in the annular side wall of the shell 1. The plurality of liquid inlet chambers 17 are distributed in a circular array, and a plurality of liquid inlet channels 18 connected to the interior of the shell 1 are equidistantly opened in the vertical direction on the same side of each liquid inlet chamber 17. Through the arrangement of the liquid inlet chamber 17 and the liquid inlet channel 18, the silver nitrate liquid enters the shell 1 in a vortex shape, which can flush some impurities filtered on the outside of the coarse filter element 12.

[0034] A snap-fit ​​seat 19 is fixedly connected to the bottom of the shell 1, a snap-fit ​​groove 1 is provided at the bottom of the end cover 11, the coarse filter element 12 is snap-fitted between the snap-fit ​​seat 19 and the snap-fit ​​groove 1, and anti-corrosion sealing gaskets are provided on the snap-fit ​​seat 19 and the snap-fit ​​groove 1 to increase the sealing between the coarse filter element 12, the snap-fit ​​seat 19 and the end cover 11, so as to achieve an efficient primary filtering effect, the bottom of the shell 1 is rotatably connected to a rotating shaft 4, and the top of the rotating shaft 4 is rotatably connected to a snap-fit ​​platform 41, a snap-fit ​​groove 2 is provided at the bottom of the end cover 11, the precision filter element 13 is snap-fitted between the snap-fit ​​platform 41 and the snap-fit ​​groove 2, and anti-corrosion sealing gaskets are provided on the snap-fit ​​platform 41 and the snap-fit ​​groove 2 to increase the sealing between the precision filter element 13, the snap-fit ​​platform 41 and the end cover 11, so as to achieve an efficient secondary filtering effect.

[0035] The bottom end of the rotating shaft 4 passes through the pressurizing chamber 15 and is fixedly connected to the impeller 42. The bottom bolts of the shell 1 are equipped with a motor 43 for driving the impeller 42 to rotate. The motor 43 drives the impeller 42 to rotate in the pressurizing chamber 15 and cooperates with the liquid inlet pipe 16, which can speed up the extraction of silver nitrate liquid and speed up the rate at which the silver nitrate liquid enters the shell 1, thereby improving the filtration efficiency.

[0036] The cleaning component 2 includes a rotating ring 21, a pushing plate 22 and a cleaning brush 23. The rotating ring 21 is rotatably connected to the annular outer wall of the clamping seat 19, and a plurality of pushing plates 22 distributed in an annular array are fixedly connected to the top of the rotating ring 21, and a cleaning brush 23 slidably connected to the outer wall of the coarse filter element 12 is fixedly connected to one side of the pushing plate 22. The impeller 42 is driven by the motor 43 to rotate in the boost chamber 15, and the external silver nitrate liquid is quickly injected into the plurality of liquid inlet chambers 17 and sprayed out from the plurality of liquid inlet channels 18, driving the silver nitrate liquid in the shell 1 to rotate in a vortex shape, while flushing some impurities filtered on the outside of the coarse filter element 12, pushing the plurality of pushing plates 22 to drive the rotating ring 21 to rotate, and using the cleaning brush 23 to clean the outer wall of the coarse filter element 12, so as to avoid the problem of clogging of the coarse filter element 12 and reducing the filtering efficiency. The cleaning brush 23 is made of corrosion-resistant material.

[0037] The cleaning component 23 includes a rotating plate 31 and a cleaning brush 232. The rotating plate 31 is rotatably connected to the annular inner wall of the clamping seat 19, and the top of the rotating plate 31 is fixedly connected to a plurality of cleaning brushes 232 that are slidably connected to the outer wall of the precision filter element 13, and the plurality of cleaning brushes 232 are distributed in an annular array. The rotating plate 31 rotates to drive the cleaning brush 232 to clean the outer wall of the precision filter element 13, so as to avoid the problem of clogging of the precision filter element 13 and reducing the filtering efficiency. The cleaning brush 232 is made of corrosion-resistant material.

[0038] A transmission rod 44 is rotatably connected to one side of the bottom of the housing 1, and two ends of the transmission rod 44 are respectively fixedly connected to a gear 1 45 and a gear 2 46. A gear ring 1 47 meshing with the gear 1 45 is fixedly connected to the top of the impeller 42, and a gear ring 2 33 meshing with the gear 2 46 is fixedly connected to the bottom of the rotating plate 31. When the impeller 42 rotates, the gear ring 1 47 is driven to rotate. The gear ring 1 47 drives the transmission rod 44 to rotate through the meshing gear 1 45. The transmission rod 44 drives the rotating plate 31 to rotate with the meshing gear 2 46 and the gear ring 2 33, thereby realizing Now, the effect of synchronous cleaning of the precision filter element 13 is shown. The different sizes of the gear ring 1 47, the gear 1 45, the gear ring 2 33 and the gear 2 46 are matched to drive the rotating plate 31 to slow down, so as to prevent the faster rotating plate 31 from affecting the filtration efficiency of the precision filter element 13. A rotating seal is provided between the impeller 42 and the boost chamber 15 and on the outside of the gear ring 1 47 and the gear 1 45. A rotating seal is provided between the rotating plate 31 and the rotating shaft 4 and the clamping seat 19 to prevent the silver nitrate liquid from contacting with the gear ring and the gear to form a rotational resistance problem.

[0039] The working process and principle of the utility model are as follows:

[0040] During use, the utility model injects the silver nitrate liquid into the boosting chamber 15 through the liquid inlet pipe 16, and then injects it into the housing 1 through the liquid inlet channel 18 through the liquid inlet chamber 17, and is filtered multiple times through the coarse filter element 12 and the fine filter element 13 in sequence, ensuring that both large impurities and fine particles in the silver nitrate liquid can be effectively removed, and then discharged through the liquid outlet pipe 14 after filtering;

[0041] During the filtering process of the silver nitrate liquid, the motor 43 drives the impeller 42 to rotate in the boosting chamber 15, and quickly injects the external silver nitrate liquid into the multiple liquid inlet chambers 17 through the liquid inlet pipe 16, and sprays it out from the multiple liquid inlet channels 18, and drives the silver nitrate liquid in the housing 1 to rotate in a vortex shape, while flushing part of the impurities filtered on the outside of the coarse filter element 12, and drives the multiple push plates 22 to drive the rotating ring 21 to rotate, and cleans the outer wall of the coarse filter element 12 with the help of the cleaning brush 23, and at the same time increases the speed at which the silver nitrate liquid enters the housing 1, further accelerating the filtering efficiency;

[0042] As the impeller 42 rotates, the meshing gear ring 1 47 and gear 1 45 drive the transmission rod 44 to rotate. The transmission rod 44 drives the rotating plate 31 to rotate with the help of the meshing gear 2 46 and gear ring 2 33. The rotating plate 31 drives the cleaning brush 2 32 to rotate, thereby cleaning the outer wall of the precision filter element 13, thereby achieving double filtration of the silver nitrate liquid and having a higher filtration efficiency.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A silver nitrate liquid precision filtering device, comprising a housing (1), characterized in that: The top bolt of the housing (1) is bolted with an end cover (11); a coarse filter element (12) and a fine filter element (13) are arranged in the housing (1); the fine filter element (13) is located inside the coarse filter element (12); a cleaning component 1 (2) is arranged in the housing (1) and located outside the coarse filter element (12); and a cleaning component 2 (3) is arranged in the housing (1) and located between the coarse filter element (12) and the fine filter element (13); The top of the end cover (11) is fixedly connected to a liquid outlet pipe (14) extending to the interior of the precision filter element (13); a boost chamber (15) is provided in the bottom side wall of the shell (1); a liquid inlet pipe (16) connected to the boost chamber (15) is fixedly connected to the bottom of the shell (1); a plurality of liquid inlet chambers (17) connected to the boost chamber (15) are provided in the annular side wall of the shell (1); the plurality of liquid inlet chambers (17) are distributed in an annular array; and a plurality of liquid inlet channels (18) connected to the interior of the shell (1) are provided at equal distances in the vertical direction on the same side of each of the liquid inlet chambers (17).

2. A silver nitrate liquid precision filtering device according to claim 1, characterized in that, The bottom of the housing (1) is fixedly connected to a snap-fit ​​seat (19), the bottom of the end cover (11) is provided with a first snap-fit ​​groove, the coarse filter element (12) is snap-fitted between the snap-fit ​​seat (19) and the first snap-fit ​​groove, the bottom of the housing (1) is rotatably connected to a rotating shaft (4), and the top of the rotating shaft (4) is rotatably connected to a snap-fit ​​platform (41), the bottom of the end cover (11) is provided with a second snap-fit ​​groove, and the fine filter element (13) is snap-fitted between the snap-fit ​​platform (41) and the second snap-fit ​​groove.

3. A silver nitrate liquid precision filtering device according to claim 2, characterized in that, The bottom end of the rotating shaft (4) penetrates into the boost chamber (15) and is fixedly connected to an impeller (42); a motor (43) for driving the impeller (42) to rotate is bolted to the bottom of the housing (1).

4. A silver nitrate liquid precision filtering device according to claim 2, characterized in that, The cleaning assembly (2) comprises a rotating ring (21), a pushing plate (22) and a cleaning brush (23); the rotating ring (21) is rotatably connected to the annular outer wall of the clamping seat (19); a plurality of pushing plates (22) distributed in an annular array are fixedly connected to the top of the rotating ring (21); and a cleaning brush (23) slidably connected to the outer wall of the coarse filter element (12) is fixedly connected to one side of the pushing plate (22).

5. A silver nitrate liquid precision filtering device according to claim 3, characterized in that: The cleaning assembly 2 (3) comprises a rotating plate (31) and a cleaning brush 2 (32); the rotating plate (31) is rotatably connected to the annular inner wall of the clamping seat (19); and a plurality of cleaning brushes 2 (32) slidably connected to the outer wall of the precision filter element (13) are fixedly connected to the top of the rotating plate (31); and the plurality of cleaning brushes 2 (32) are distributed in an annular array.

6. A silver nitrate liquid precision filtering device according to claim 5, characterized in that: A transmission rod (44) is rotatably connected to one side of the bottom of the housing (1), and two ends of the transmission rod (44) are respectively fixedly connected to gear 1 (45) and gear 2 (46); the top of the impeller (42) is fixedly connected to gear ring 1 (47) meshing with gear 1 (45); and the bottom of the rotating plate (31) is fixedly connected to gear ring 2 (33) meshing with gear 2 (46).

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