Rotational flow filtering device

Abstract

The utility model discloses a rotational flow filtering device which comprises a barrel, an upper sealing head arranged at the upper end of the barrel and a lower sealing head arranged at the lower end of the barrel, the water inlet pipe is connected to the lower portion of the cylinder body, the first-stage filtering mechanism is connected to the lower portion of the interior of the cylinder body, the turbulent flow mechanism is arranged in the first-stage filtering mechanism, the second-stage filtering mechanism is arranged above the turbulent flow mechanism, and the water outlet pipe is connected to the upper portion of the cylinder body. The turbulent flow mechanism is used for preventing filtered impurities from floating upwards, the lower sealing head is connected with a blow-off pipe, the first-stage filtering device adopts a conical filtering cylinder, the large end face of the conical filtering cylinder is located above the small end face, and the large end face is connected to the inner wall of the cylinder body. According to the rotational flow filtering device provided by the utility model, sewage can tangentially enter from the lower part of the device and flow upwards, so that the sewage is filtered, and a two-stage filtering mode is adopted, so that the filtering effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and in particular relates to a cyclone filter device. Background Art

[0002] The filter is an indispensable device in the process of conveying media. It is usually connected to the inlet and outlet of other devices. The filter is usually composed of a cylinder and an internal filter element. After the water to be treated passes through the filter screen inside the filter, the impurities in the water will be blocked. When cleaning is required, just take out the detachable filter element, remove the impurities on its surface and re-install the filter. Therefore, it is extremely convenient to use and maintain.

[0003] The inlet of the existing filter is usually arranged above the filter element. When a large amount of sewage enters the filter, under the influence of gravity, the sewage will cause a certain degree of impact on the filter element due to its fast flow rate, affecting the service life of the filter element and thus affecting the filtering effect of the sewage. Therefore, a filter with good filtering effect that allows sewage to flow from bottom to top is needed. The utility model solves this technical problem. Utility Model Content

[0004] The utility model provides a cyclone filter device, which can make sewage enter tangentially from the bottom of the device and flow upward, thereby filtering the sewage, and adopts a two-stage filtering method to improve the filtering effect.

[0005] A cyclone filter device comprises a cylinder, an upper head arranged at the upper end of the cylinder, a lower head arranged at the lower end of the cylinder, and also comprises a water inlet pipe connected to the bottom of the cylinder, a primary filtering mechanism connected to the lower part of the cylinder, a spoiler mechanism arranged inside the primary filtering mechanism, a secondary filtering mechanism arranged above the spoiler mechanism, and a water outlet pipe connected to the top of the cylinder, the water inlet direction of the water inlet pipe is tangent to the cylinder, the spoiler mechanism is used to prevent filtered impurities from floating upward, and a sewage pipe is connected to the lower head.

[0006] Furthermore, the primary filtering mechanism adopts a conical filter cartridge, the large end surface of the conical filter cartridge is located above the small end surface, and the large end surface is connected to the inner wall of the cylinder.

[0007] Furthermore, the spoiler mechanism includes a connecting plate connected to the inner wall of the cylinder, and a spoiler rod vertically arranged on the connecting plate, and the spoiler rod is located in the conical filter cylinder.

[0008] Furthermore, a repair and inspection port is connected to the top of the cylinder, and a hand hole is provided at the bottom of the cylinder.

[0009] Furthermore, the secondary filtering mechanism adopts a cylindrical filter screen, one end of which is sleeved on the water outlet pipe, and the other end is installed in the maintenance port pipe.

[0010] Furthermore, the filter holes of the primary filter mechanism are larger than the filter holes of the secondary filter mechanism.

[0011] The technical effects of the utility model are as follows:

[0012] (1) The device adopts a method in which the water inlet pipe is arranged below the cylinder, so that the sewage entering the cylinder flows upward to filter the sewage, thereby avoiding the large impact force of the sewage affecting the service life of the primary filter mechanism and the secondary filter mechanism, and can achieve two filtrations in the above method, thereby improving the filtering effect;

[0013] (2) The design that the water inlet direction is tangent to the cylinder can make the flow of sewage entering the cylinder form a vortex, so that the impurities in the sewage can fall into the sewage pipe along the inner wall of the cylinder under the action of its own gravity and centrifugal force, avoiding clogging the filter holes. It can also allow the sewage to contact the conical filter cartridge multiple times, avoiding some impurities from being stuck in the filter holes of the conical filter cartridge for a long time and affecting the filtration work;

[0014] (3) The spoiler bar can reduce the flow rate of sewage to a certain extent, preventing the sewage from flowing too fast and causing the originally sunk impurities to float again. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the local structure in the utility model Figure 1 .

[0017] Figure 3 It is a schematic diagram of the local structure in the utility model Figure 2 .

[0018] Figure 4 It is a top view of the utility model.

[0019] The attached drawings are as follows: 1. Inspection port; 2. Cylinder; 3. Conical filter cartridge; 4. Water inlet pipe; 5. Lower end cap; 6. Drain pipe; 7. Hand hole; 8. Spoiler rod; 9. Connecting plate; 10. Water outlet pipe; 11. Cylindrical filter screen; 12. Upper end cap. DETAILED DESCRIPTION

[0020] The technical solution of the utility model will be clearly and completely explained below in conjunction with specific embodiments and drawings.

[0021] See also Figure 1-Figure 4A cyclone filtering device comprises a cylinder 2, an upper head 12 arranged at the upper end of the cylinder 2, a lower head 5 arranged at the lower end of the cylinder 2, and also comprises a water inlet pipe 4 connected to the bottom of the cylinder 2, a primary filtering mechanism connected to the bottom of the cylinder 2, a flow disturbance mechanism arranged inside the primary filtering mechanism, a secondary filtering mechanism arranged above the flow disturbance mechanism, and a water outlet pipe 10 connected to the top of the cylinder 2. The water inlet direction of the water inlet pipe 4 is tangent to the cylinder 2. The flow disturbance mechanism is used to prevent the filtered impurities from floating upward. A sewage pipe 6 is connected to the lower head 5. In this embodiment, a support leg is connected to the bottom of the lower head 5.

[0022] Furthermore, the first-stage filtering mechanism adopts a conical filter cartridge 3 , the large end surface of the conical filter cartridge 3 is located above the small end surface, and the large end surface is connected to the inner wall of the cylinder body 2 .

[0023] Furthermore, the spoiler mechanism includes a connecting plate 9 connected to the inner wall of the cylinder 2 and a spoiler rod 8 vertically arranged on the connecting plate 9 , and the spoiler rod 8 is located in the conical filter cylinder 3 .

[0024] Furthermore, a repair and inspection port pipe 1 is connected to the top of the cylinder 2, and a hand hole 7 is provided at the bottom of the cylinder 2. When more impurities are gathered at the bottom of the cylinder 2, the hand hole 7 can be opened to clean the inside of the cylinder.

[0025] Furthermore, the secondary filtering mechanism adopts a cylindrical filter screen 11 , one end of the cylindrical filter screen 11 is sleeved on the water outlet pipe 10 , and the other end is installed in the maintenance port pipe 1 .

[0026] Furthermore, the filter holes of the primary filter mechanism are larger than the filter holes of the secondary filter mechanism.

[0027] The working principle of the utility model is as follows:

[0028] First, the sewage is introduced from the water inlet of the water inlet pipe 4 so that the sewage flows into the cylinder 2. Figure 4 It can be seen that the water inlet direction of the water inlet pipe 4 is tangent to the cylinder 2, so the sewage entering the cylinder 2 will flow in a swirling flow, and the conical filter cartridge 3 will intercept larger impurity particles in the sewage. Under the action of their own gravity and centrifugal force, the larger impurity particles will fall along the inner wall of the cylinder 2 into the sewage pipe 6 of the lower head 5 to complete the coarse filtration;

[0029] During the flow of sewage, the spoiler rod 8 will block the water flow to a certain extent, thereby slowing down the flow rate of sewage and preventing the sewage from flowing too fast, causing the sunken impurity particles to float up again;

[0030] After the coarse filtration, the sewage will continue to rise into the cylindrical filter screen 11, and the small particles of impurities will be blocked on the outside of the cylindrical filter screen 11. Since the sewage below will continue to rise, the small particles of impurities will stay in the filter holes of the cylindrical filter screen 11. The water filtered by the cylindrical filter screen 11 will flow out through the outlet on the outlet pipe 10.

[0031] When the sewage treatment is completed and the sewage needs to be discharged from the cylinder 2, the sewage outlet on the sewage pipe 6 needs to be opened, and the water in the cylinder 2 will flow out from the sewage outlet. The water originally in the cylindrical filter 11 will flow out from the inside to the outside under the action of the pressure difference, thereby flushing out the small particles of impurities remaining in the filter holes and finally flowing to the sewage outlet in the sewage pipe 6;

[0032] Since one end of the cylindrical filter screen 11 is installed inside the repair and inspection port pipe 1, when the cylindrical filter screen 11 needs to be maintained or replaced, the repair and inspection port is opened to take out the cylindrical filter screen 11.

[0033] The above embodiments are only preferred embodiments of the present utility model. Those skilled in the art can obtain other embodiments from the above embodiments without creative work. Therefore, the present application protects not only the above embodiments, but also the scope consistent with the principles and features of the present application.

Claims

1. A cyclone filter device, comprising a cylinder (2), an upper head (12) arranged at the upper end of the cylinder (2), and a lower head (5) arranged at the lower end of the cylinder (2), characterized in that: It also comprises a water inlet pipe (4) connected to the bottom of the cylinder (2), a primary filtering mechanism connected to the bottom of the cylinder (2), a flow disturbance mechanism arranged inside the primary filtering mechanism, a secondary filtering mechanism arranged above the flow disturbance mechanism, and a water outlet pipe (10) connected to the top of the cylinder (2), wherein the water inlet direction of the water inlet pipe (4) is tangent to the cylinder (2), the flow disturbance mechanism is used to prevent filtered impurities from floating upwards, and a sewage discharge pipe (6) is connected to the lower end cover (5); The primary filtering mechanism adopts a conical filter cartridge (3), the large end surface of the conical filter cartridge (3) is located above the small end surface, and the large end surface is connected to the inner wall of the cylinder (2); The flow-disturbing mechanism comprises a connecting plate (9) connected to the inner wall of the cylinder (2), and a flow-disturbing rod (8) vertically arranged on the connecting plate (9), wherein the flow-disturbing rod (8) is located inside the conical filter cylinder (3); The upper part of the cylinder (2) is connected to a repair and inspection port pipe (1), and the lower part of the cylinder (2) is provided with a hand hole (7); The secondary filtering mechanism adopts a cylindrical filter screen (11), one end of which is sleeved on the water outlet pipe (10) and the other end is installed in the inspection port pipe (1).

2. The cyclone filter device according to claim 1, characterized in that: The filter holes of the primary filter mechanism are larger than the filter holes of the secondary filter mechanism.

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