CN211435287U - Self-cleaning bag filter - Google Patents

Abstract

The utility model discloses a self-cleaning bag filter, which comprises a cylinder body, legs and a pressing device; barrel: the inside of the barrel is hollow, the outer side of the barrel is fixedly connected with the top ends of the legs, the bottom ends of the legs are connected with the middle part of the top end of the base, a water inlet is formed in the middle part of the outer side of the barrel, a water outlet is formed in the top end of the outer side of the barrel, an inner flange is arranged in the middle part of the inner side of the barrel and is clamped with the bottom end of the backwashing filter basket, a filter screen is sleeved on the outer side of the backwashing filter basket, the middle part of the outer side surface of the filter screen is connected with two ends of the middle part of a filter screen fixing frame through a rod, the filter screen fixing frame is; the self-cleaning bag filter is convenient to use, good in filtering effect and convenient to detach and install.

Description

Self-cleaning bag filter

technical field

The utility model relates to the technical field of filters, in particular to a self-cleaning bag filter.

Background technique

my country's water resources are very short, and the per capita water resources are only a quarter of the world average. In recent years, due to the increasingly serious environmental pollution, water sources have been greatly affected, thus accelerating the rapid development of the water treatment industry. , Due to the novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work, and strong applicability of the bag filter, the requirements for the bag filter are getting higher and higher, and the pollution and replacement of the filter bag have increased. The cost of consumables and the time for repair and replacement.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a self-cleaning bag filter, which is convenient to use, has a good filtering effect, is easy to disassemble and install, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a self-cleaning bag filter, including a cylinder body, a leg and a pressing device;

Cylinder: the interior of the cylinder is hollow, the outer side of the cylinder is fixedly connected to the top of the leg, the bottom end of the leg is connected to the middle of the top of the base, and the middle of the outer side of the cylinder is provided with a water inlet, The top of the outer side of the cylinder is provided with a water outlet, and the middle part of the inner side of the cylinder is provided with an inner flange, the inner flange is clamped with the bottom end of the backwash filter basket, and the outer side of the backwash filter basket is provided with a water outlet. A filter screen is sleeved, and the middle part of the outer side of the filter screen is connected with the two ends of the middle part of the filter screen fixing frame through rods. The filter screen fixing frame is located inside the cylinder body, and the top inside the cylinder body is provided with a pressing device ;

Among them, it also includes a mounting ring, a quick-installation bolt, a handle, a blind plate and a quick-installation lower bracket, the quick-installation lower bracket is arranged on the outer side of the top of the cylinder, and both ends of the quick-installation lower bracket are provided with screw holes , the inner side of the top of the quick-install lower bracket is provided with a groove, and the groove is provided with a mounting ring. The top middle of the board is provided with a handle.

Through the handle and quick-loading bolts, the blind plate can be opened quickly, which is convenient for installing and replacing the filter screen. At the same time, the working state is stable and can withstand the pressure of up to PSI.

Further, the pressing device includes a turning handle, a fixing plate, a sleeve and a screw rod, the fixing plate is arranged at the top end inside the cylinder, a sleeve is arranged in the middle of the fixing plate, and an inner sleeve is arranged on the inner side of the sleeve. The screw is connected with the inner thread on the inner side of the casing, the top of the screw is provided with a turning handle, the turning handle is located above the fixing plate, and the bottom end of the screw is connected with the top middle of the filter screen fixing frame , the filter can be compressed and fixed to prevent the filter from moving and causing internal leakage and other problems.

Further, an exhaust port is also included, and the exhaust port is arranged on the left side of the top end of the blind plate, which can discharge the gas generated during operation out of the cylinder to prevent the increase of gas from causing excessive pressure in the cylinder.

Further, it also includes a sewage outlet, which is located at the bottom end of the cylinder, and can discharge the dirt out of the cylinder through its own gravity, effectively reducing the loss of the filter screen, and preventing the quality of the filtrate from being degraded due to excessive pollution.

Further, it also includes a sealing ring, which is arranged in the circular groove at the top of the installation ring, which can increase the sealing performance of the equipment and prevent water leakage at the connection of the equipment.

Compared with the prior art, the beneficial effects of the present utility model are: the self-cleaning bag filter has the following advantages:

1. The blind plate can be opened quickly through the handle and quick-loading bolts, which is convenient for installing and replacing the filter screen. At the same time, the working state is stable and can withstand the pressure of up to 300PSI;

2. Through the pressing device, the filter screen can be compressed and fixed to prevent the internal leakage of the filter screen caused by the movement of the filter screen. It is equipped with an exhaust port, which can discharge the gas generated during work out of the cylinder to prevent the increase of gas from causing the cylinder Excessive body pressure;

3. There is a sewage outlet, which can discharge the dirt out of the cylinder by its own gravity, effectively reducing the loss of the filter screen, and at the same time preventing the quality of the filtrate from being deteriorated due to excessive pollution. Water leaking at the connection.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial enlarged structural schematic diagram of the utility model A;

FIG. 3 is a schematic diagram of the top sectional structure of the utility model.

In the picture: 1 sewage outlet, 2 water inlet, 3 inner flange, 4 backwash filter basket, 5 cylinder body, 6 filter screen fixing frame, 7 pressing device, 71 turning handle, 72 fixing plate, 73 casing, 74 Screws, 8 mounting rings, 9 quick-install bolts, 10 exhaust ports, 11 handles, 12 blind plates, 13 sealing rings, 14 quick-install lower brackets, 15 water outlets, 16 filters, 17 legs, 18 bases.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-3, the present utility model provides a technical solution: a self-cleaning bag filter, comprising a cylindrical body 5, a leg 17 and a pressing device 7;

Cylinder body 5: The interior of the cylinder body 5 is hollow, the outer side of the cylinder body 5 is fixedly connected to the top of the leg 17, the bottom end of the leg 17 is connected to the middle of the top of the base 18, and the middle of the outer side of the cylinder body 5 is provided with a water inlet 2, The top of the outer side of the cylinder body 5 is provided with a water outlet 15, the middle of the inner side of the cylinder body 5 is provided with an inner flange 3, the inner flange 3 is clamped with the bottom end of the backwash filter basket 4, and the outer side of the backwash filter basket 4 is sleeved The filter screen 16 is connected, and the middle part of the outer side of the filter screen 16 is connected with the two ends of the middle part of the filter screen fixing frame 6 through the rod. , the pressing device 7 includes a turning handle 71, a fixing plate 72, a sleeve 73 and a screw 74. The fixing plate 72 is provided at the top end of the cylinder body 1, the middle of the fixing plate 72 is provided with a sleeve 73, and the inner side of the sleeve 73 is provided with a sleeve 73. There is an internal thread, the screw 74 is connected with the internal thread on the inner side of the sleeve 73, the top of the screw 74 is provided with a turning handle 71, the turning handle 71 is located above the fixing plate 72, and the bottom end of the screw 74 is connected with the top of the filter screen fixing frame 6. The middle part is connected, and the filter screen 16 can be pressed and fixed to prevent the filter screen 16 from moving and causing its internal leakage and other problems;

Among them, it also includes a mounting ring 8, a quick-installation bolt 9, a handle 11, a blind plate 12 and a quick-installation lower bracket 14. The quick-installation lower bracket 14 is arranged on the outer side of the top of the cylinder 5, and both ends of the quick-installation lower bracket 14 are There are screw holes, the inner side of the top of the quick-install lower bracket 14 is provided with a groove, and a mounting ring 8 is arranged in the groove. Connection, the top middle of the blind plate 12 is provided with a handle 11, through the handle 11 and the quick-release bolt 8, the blind plate 12 can be opened quickly, which is convenient for installation and replacement of the filter screen 16, and the working state is stable at the same time, which can withstand up to The pressure of 300PSI also includes the exhaust port 10. The exhaust port 10 is located on the left side of the top end of the blind plate 12, which can discharge the gas generated during the work out of the cylinder 5 to prevent the increase of the gas from causing the pressure in the cylinder 5 to be too large. Including the sewage outlet 1, the sewage outlet 1 is located at the bottom end of the cylinder 5, and the dirt can be discharged out of the cylinder 5 by its own gravity, effectively reducing the loss of the filter screen 16, and at the same time preventing the quality of the filtrate from being degraded due to excessive pollution. The sealing ring 13 is arranged in the circular groove at the top of the mounting ring 8, which can increase the sealing performance of the equipment and prevent water leakage at the connection of the equipment.

In use: firstly fix the base 18 firmly, the top of the base 18 is connected to the outer bottom end of the cylinder 5 through the legs 17, after fixing the cylinder 5, the liquid to be filtered enters the cylinder 5 through the water inlet 2 , the filter screen 16 on the outside of the backwash filter basket 4 inside the cylinder body 5 can filter impurities and other substances in the liquid, so that a clean liquid can be obtained, and the filtering of impurities is realized, and the filtered impurities enter the cylinder body by their own weight. 5, the sewage outlet 1 at the bottom end of the cylinder body 5 can discharge the dirt out of the cylinder body 5 by its own gravity, effectively reducing the loss of the filter screen 16, and at the same time preventing the quality of the filtrate from being deteriorated due to excessive pollution. When cleaning the interior of the cylinder body 5, loosen the quick-install bolts 9, pull the handle 11 to open the blind plate 12, then turn the handle 71 to separate the bottom end of the screw 74 from the bottom end of the filter screen holder 6, The filter screen 16 is taken out for cleaning, and the inside of the cylinder 5 is also cleaned. Quickly install the mounting ring 8 installed on the outer side of the top of the lower bracket 14, and the top of the mounting ring 8 is installed with a sealing ring 13. The sealing ring 13 can increase the performance of the equipment. The airtightness prevents water leakage at the connection of the equipment. The left side of the top of the blind plate 12 is provided with an exhaust port 10. The exhaust port 10 can discharge the gas generated during operation out of the cylinder body 5 to prevent the increase of gas and cause the pressure inside the cylinder body 5 to be too large. .

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

Claims (5)

1. The self-cleaning bag filter is characterized in that: it comprises a cylindrical body (5), a leg (17) and a pressing device (7); Cylinder body (5): the interior of the cylinder body (5) is hollow, the outer side of the cylinder body (5) is fixedly connected to the top end of the leg (17), and the bottom end of the leg (17) is connected to the base (18) ) is connected to the middle of the top end, the middle of the outer side of the cylinder (5) is provided with a water inlet (2), the top of the outer side of the cylinder (5) is provided with a water outlet (15), and the inner side of the cylinder (5) is provided with a water outlet (15). There is an inner flange (3) in the middle of the filter, the inner flange (3) is connected with the bottom end of the backwashing filter basket (4), and the outer side of the backwashing filter basket (4) is sleeved with a filter screen (16), the middle part of the outer side of the filter screen (16) is connected with the two ends of the middle part of the filter screen fixing frame (6) through rods, and the filter screen fixing frame (6) is located inside the cylinder (5), and the A pressing device (7) is provided at the top inside the cylinder body (5); Wherein, it also includes a mounting ring (8), a quick-installation bolt (9), a handle (11), a blind plate (12) and a quick-installed lower bracket (14), and the quick-installed lower bracket (14) is arranged on the cylinder body (5) On the outer side of the top, both ends of the quick-install lower bracket (14) are provided with screw holes, the inner side of the top of the quick-install lower bracket (14) is provided with a groove, and the groove is provided with a mounting ring ( 8), the shaft holes at both ends of the blind plate (12) are threadedly connected with the screw holes at both ends of the quick-install lower bracket (14) through the quick-release bolts (9), and the top middle of the blind plate (12) is provided with a handle (11). 2 . The self-cleaning bag filter according to claim 1 , wherein the pressing device ( 7 ) comprises a turning handle ( 71 ), a fixing plate ( 72 ), a sleeve ( 73 ) and a screw ( 2 . 74), the fixing plate (72) is arranged at the top end inside the cylinder (5), the middle of the fixing plate (72) is provided with a sleeve (73), and the inner side of the sleeve (73) is provided with an internal thread, The screw (74) is threadedly connected with the inner thread inside the sleeve (73), the top of the screw (74) is provided with a turning handle (71), and the turning handle (71) is located above the fixing plate (72) , the bottom end of the screw (74) is connected with the top middle of the filter screen fixing frame (6). 3 . The self-cleaning bag filter according to claim 1 , further comprising an exhaust port ( 10 ), the exhaust port ( 10 ) being arranged on the left side of the top end of the blind plate ( 12 ). 4 . 4 . The self-cleaning bag filter according to claim 1 , further comprising a sewage outlet ( 1 ), and the sewage outlet ( 1 ) is arranged at the bottom end of the cylinder body ( 5 ). 5 . 5. The self-cleaning bag filter according to claim 1, characterized in that it further comprises a sealing ring (13), and the sealing ring (13) is arranged in a circular groove at the top of the mounting ring (8). .

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