CN220310024U

CN220310024U - Flue check valve structure

Info

Publication number: CN220310024U
Application number: CN202321396426.4U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Shanghai Datian Valve Pipe Engineering Co ltd
Current assignee: Shanghai Datian Valve Pipe Engineering Co ltd
Priority date: 2023-06-03
Filing date: 2023-06-03
Publication date: 2024-01-09
Anticipated expiration: 2033-06-03

Abstract

The utility model discloses a flue check valve structure which comprises a valve shell, wherein a filter box is arranged on one side of the valve shell, the diameter of the filter box is consistent with that of the valve shell, a drain pipe is connected to one side of the filter box, the drain pipe is positioned on the bottom side of a smoke inlet pipe, a separator is arranged on the drain pipe, an opening is formed in the top side of the separator, a sealing cover is connected to the opening in a threaded manner, a clamping groove is fixedly connected to the inner wall of the separator, the clamping groove is of a right-angle U-shaped structure, a filter screen is inserted into the clamping groove, one side of the filter box is connected with a smoke inlet pipe, one end of the smoke inlet pipe is positioned under water, the other side of the filter box is connected with a smoke outlet pipe, one side of the smoke outlet pipe is connected with the valve shell, and one end of the filter box is provided with a water inlet pipe. The device can filter most of dust and oil in the flue gas in time, so that dust and oil adsorbed on the valve plate can be reduced when the flue gas reaches the valve plate, the smoothness of the rotation of the valve plate is ensured, and the flue gas can be smoothly discharged.

Description

Flue check valve structure

Technical Field

The utility model relates to the technical field of flue check valves, in particular to a flue check valve structure.

Background

The flue check valve is also called a counter-flow valve, a check valve, a back pressure valve, a one-way valve and a flue valve, and the like, which are automatically opened and closed by the force generated by the flow of medium in a pipeline, belongs to an automatic valve.

The flue check valve is mainly used for preventing the back flow of flue gas in the flue, and because the flue gas contains a large amount of oil and dust, the valve plate of the flue check valve is easy to adsorb dust in the flue gas when the flue gas contacts with the flue gas when passing through the flue check valve, and the flue check valve can not be frequently replaced and cleaned along with the accumulation of time and because of the factors of the mounting height and the position of the flue check valve, thereby the valve plate of the flue check valve is not smooth after adsorbing oil and dust, and the discharge of the flue gas is influenced.

Disclosure of Invention

The utility model aims to provide a flue check valve structure, which solves the problem that a flue check valve plate provided by the background art is unsmooth to open after absorbing dust and oil.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flue check valve structure, includes the valve casing, valve casing one side is provided with the rose box, and rose box one side is connected with into the tobacco pipe, and it is located under water to advance tobacco pipe one end, and the rose box opposite side is connected with out the tobacco pipe, goes out the tobacco pipe and is located the liquid level, goes out tobacco pipe one side and is connected with the valve casing, and rose box one end is provided with the inlet tube.

Preferably, the diameter of the filter box is consistent with that of the valve shell, one side of the filter box is connected with a drain pipe, and the drain pipe is positioned at the bottom side of the smoke inlet pipe.

Preferably, the drain pipe is provided with a separator, the top side of the separator is provided with an opening, and the opening is connected with a sealing cover in a threaded manner.

Preferably, the inner wall of the separator is fixedly connected with a clamping groove, the clamping groove is of a right-angle U-shaped structure, and a filter screen is inserted into the clamping groove.

Preferably, the filter screen is movably connected with the clamping groove, and the top side of the filter screen is fixedly connected with a handle.

Preferably, the valve shell is internally connected with a valve plate in a rotating way, and the bottom side of the valve plate is fixedly connected with a gravity ball.

Preferably, the smoke outlet pipe is of an inclined structure, and the inclined direction of the smoke outlet pipe corresponds to the position of the lower end of the valve plate.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The device can filter most of dust and oil in the flue gas in time, so that the dust and oil adsorbed on the valve plate can be reduced when the flue gas reaches the valve plate, the smoothness of the rotation of the valve plate is ensured, and the flue gas can be smoothly discharged.

(2) The filter box is arranged at the smoke inlet of the valve shell, tap water is filled in the filter box, so that smoke enters the filter box before entering the valve shell, dust and oil in the smoke are separated by the water, dust and oil in the smoke can be greatly reduced, dust and oil adsorbed on the valve plate can be reduced, and the smoothness of the rotation of the valve plate is ensured.

(3) The device is provided with the water inlet pipe and the sewage discharge pipe on the filter tank, so that sewage inside the filter tank can be discharged in time, the filter tank is not required to be cleaned, the filtering effect of liquid inside the filter tank can be guaranteed, and the maintenance is more convenient.

Drawings

FIG. 1 is a schematic structural view of a flue check valve according to the present utility model;

FIG. 2 is a cross-sectional view of a separator of a flue check valve construction of the present utility model;

fig. 3 is an enlarged view of fig. 2 a of a flue check valve structure according to the present utility model.

In the figure: 1. a filter box; 2. a valve housing; 3. a gravity ball; 4. a smoke inlet pipe; 5. a water inlet pipe; 6. a clamping groove; 7. a smoke outlet pipe; 8. a filter screen; 9. a valve plate; 10. sealing cover; 11. a separator; 12. a blow-down pipe; 13. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a flue check valve structure, includes valve casing 2, and valve casing 2 one side is provided with rose box 1, and rose box 1 is unanimous with valve casing 2 diameter, makes the installation trompil more convenient, and rose box 1 one side is connected with blow off pipe 12, and rose box 1 left side fixedly connected with blow off pipe 12, blow off pipe 12 are located into tobacco pipe 4 bottom side; according to the structure, the water inlet pipe 5 and the sewage discharge pipe 12 are arranged on the filter box 1, and the sewage discharge pipe 12 and the water inlet pipe 5 are opened and closed through valve control, so that sewage in the filter box 1 can be discharged in time, the filter effect of liquid in the filter box 1 can be ensured without cleaning the filter box 1, and the maintenance is more convenient; the separator 11 is arranged on the drain pipe 12, the drain pipe 12 has a certain length, the tail end of the drain pipe 12 can be arranged at a lower position, so that people can clean the separator 11 on the drain pipe 12 in time, the drain pipe 12 is in threaded connection with the separator 11, an opening is formed in the top side of the separator 11, and the sealing cover 10 is in threaded connection with the opening; this structure facilitates the operation of the components inside the separator 11 by providing the openable seal cover 10 on the top of the separator 11; the inner wall of the separator 11 is fixedly connected with a clamping groove 6, the clamping groove 6 is of a right-angle U-shaped structure, and a filter screen 8 is inserted into the clamping groove 6; the structure can ensure that the filter screen 8 is more firm when being fixed in the separator 11 by arranging the clamping groove 6, and the position cannot deviate; the filter screen 8 is movably connected with the clamping groove 6, and the top side of the filter screen 8 is fixedly connected with a handle 13; the structure can take out the filter screen 8 by pulling the handle 13 upwards, thereby being convenient for cleaning the filter screen 8; the valve shell 2 is internally and rotatably connected with a valve plate 9, and the bottom side of the valve plate 9 is fixedly connected with a gravity ball 3; the structure can prevent the condition of loose sealing when no smoke passes through by arranging the gravity ball 3; the left side of the valve shell 2 is fixedly connected with the filter box 1 through a bolt, the left side of the valve shell 2 is provided with a smoke inlet, the right side of the valve shell 2 is provided with a smoke outlet, one side of the filter box 1 is connected with a smoke inlet pipe 4, the left side of the filter box 1 is fixedly connected with the smoke inlet pipe 4, one end of the smoke inlet pipe 4 is positioned under water, the lower end of the smoke inlet pipe 4 is inserted into the filter box 1 under water, the separation of oil and dust in smoke is conveniently carried out through water, the other side of the filter box 1 is connected with a smoke outlet pipe 7, the smoke outlet pipe 7 is of an inclined structure, and the inclined direction of the smoke outlet pipe 7 corresponds to the position of the lower end of the valve plate 9; the structure can guide the fume discharge direction by arranging the inclined fume outlet pipe 7, so that the fume can smoothly push the valve plate 9 to be opened to discharge the fume; the right side of the filter box 1 is fixedly connected with a smoke outlet pipe 7, the smoke outlet pipe 7 is positioned on the liquid level, water is prevented from being discharged during smoke discharging, one side of the smoke outlet pipe 7 is connected with the valve shell 2, the right side of the smoke outlet pipe 7 is connected with the left side of the valve shell 2, one end of the filter box 1 is provided with a water inlet pipe 5, and the front end of the filter box 1 is fixedly connected with the water inlet pipe 5; this device is through setting up rose box 1 in the inlet of valve casing 2, packs into running water in rose box 1 inside, makes the flue gas enter into rose box 1 inside before entering into valve casing 2 earlier, utilizes water to carry out the separation work to dust and the oil in the flue gas to dust and the oil in the messenger's exhaust flue gas can reduce in a large number, can reduce from this and adsorb dust and oil on the valve plate 9, guarantees valve plate 9 pivoted smoothness nature.

Working principle: when the flue check valve structure is used, tap water is injected into the filter box 1 through the water inlet pipe 5, the liquid level is higher than the water inlet pipe 4 and lower than the water outlet pipe 7, in the formal use process, flue gas enters from the upper end of the water inlet pipe 4, when the flue gas enters into the water inside the filter box 1 after passing through the water inlet pipe 4, dust and oil in the flue gas are separated by utilizing water, then the gas flows upwards and is discharged from the water outlet pipe 7, then the gas enters from the left side of the valve shell 2 and flows to the right side of the valve shell 2, in the flowing process, the gas pushes the valve plate 9 to rotate and open to the right side, the gas is smoothly discharged, after a certain time of use of the water inside the filter box 1, the sewage is opened, so that sewage is discharged to a sewer from the sewage pipe 12, and when the sewage passes through the separator 11, the filter screen 8 in the separator 11 filters most of the dust and the oil in the sewage, when the filter screen 8 needs to be cleaned, the filter screen 10 at the top of the separator 11 is rotated and is opened, then the handle 13 is pulled upwards, the filter screen 8 is pulled out from the inside the clamping groove 6, the filter screen 8 is pulled out, the filter screen 8 is cleaned, and the filter screen 8 is cleaned after the filter screen 8 is clamped, and the filter screen 6 is cleaned.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A flue check valve structure, includes valve casing (2), its characterized in that: the utility model discloses a filter cabinet, including casing (2), filter cabinet (1) one side is connected with advances tobacco pipe (4), advances tobacco pipe (4) one end and is located under water, and filter cabinet (1) opposite side is connected with out tobacco pipe (7), goes out tobacco pipe (7) and is located the liquid level, goes out tobacco pipe (7) one side and is connected with casing (2), and filter cabinet (1) one end is provided with inlet tube (5).

2. A flue check valve structure according to claim 1, wherein: the diameter of the filter box (1) is consistent with that of the valve shell (2), one side of the filter box (1) is connected with a drain pipe (12), and the drain pipe (12) is positioned at the bottom side of the smoke inlet pipe (4).

3. A flue check valve structure according to claim 2, wherein: the sewage draining pipe (12) is provided with a separator (11), the top side of the separator (11) is provided with an opening, and the opening is connected with a sealing cover (10) in a threaded manner.

4. A flue check valve structure according to claim 3, wherein: the inner wall of the separator (11) is fixedly connected with a clamping groove (6), the clamping groove (6) is of a right-angle U-shaped structure, and a filter screen (8) is inserted into the clamping groove (6).

5. A flue check valve structure according to claim 4, wherein: the filter screen (8) is movably connected with the clamping groove (6), and a handle (13) is fixedly connected with the top side of the filter screen (8).

6. A flue check valve structure according to claim 1, wherein: the valve is characterized in that a valve plate (9) is rotatably connected inside the valve housing (2), and a gravity ball (3) is fixedly connected to the bottom side of the valve plate (9).

7. A flue check valve structure according to claim 1, wherein: the smoke outlet pipe (7) is of an inclined structure, and the inclined direction of the smoke outlet pipe (7) corresponds to the lower end position of the valve plate (9).