CN219674259U

CN219674259U - Electric check door

Info

Publication number: CN219674259U
Application number: CN202321060311.8U
Authority: CN
Inventors: 丁卫东; 校沐龙; 朱苏祥
Original assignee: Jiangsu Zhengfei Electric Power Equipment Co ltd
Current assignee: Jiangsu Zhengfei Electric Power Equipment Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-09-12
Anticipated expiration: 2033-05-06

Abstract

The present utility model provides an electric check door comprising: the filter screen is arranged at the top of the main body in a sliding manner through the mounting groove. The electric check valve is connected with a boiler pipeline and is used for controlling the exhaust gas of the boiler to avoid the backflow of the gas, a large amount of impurities are contained in the exhaust gas, the exhaust gas is directly discharged into the outside air to cause air pollution, the impurities are effectively blocked by the filter screen, due to gravity, the impurities fall into the collecting box, after a certain amount of impurities are collected in the collecting box, the collecting box is removed through the cooperation between the sliding rail and the sliding chute, the collecting box is cleaned, the collecting box is installed with the main body after the cleaning is finished, a large amount of dust is attached to the surface of the filter screen after the cleaning is finished, the gas is influenced, at the moment, the bolt is loosened, the filter screen is removed, the filter screen is cleaned, the filter screen is installed after the cleaning is finished, and finally the bolt is locked.

Description

Electric check door

Technical Field

The utility model relates to the field of check doors, in particular to an electric check door.

Background

At present, the flow control equipment of the flue or air duct system on the domestic and foreign power station boilers basically adopts a shutter type baffle air door which is used for isolating the outlet of the fan and has very important function, so that the condition of gas backflow can be prevented.

However, the existing check door in the market is inconvenient to filter the discharged gas in the using process, and the discharged gas contains a large amount of impurities, so that the discharged gas is directly discharged into the outside air to cause air pollution and the problem of poor environmental protection is solved.

Accordingly, it is desirable to provide an electric check door that solves the above-described problems.

Disclosure of Invention

The utility model provides an electric check valve, which solves the problems that the existing check valve in the market is inconvenient to filter discharged gas in the use process, and the discharged gas contains a large amount of impurities, so that the discharged gas is directly discharged into the outside air to cause air pollution and has poor environmental protection.

The present utility model provides an electric check door comprising: the device comprises a main body, wherein a mounting groove is formed in one side of the top of the main body, a filter screen is slidably mounted in the top of the main body through the mounting groove, bolts are connected to two sides of the outside of the filter screen in a threaded mode, sliding rails are fixedly mounted at the bottom of the main body, the number of the sliding rails is two, a collecting box is slidably mounted at the bottom of the main body through the sliding rails, sliding grooves matched with the sliding rails are formed in the top of the collecting box, and the number of the sliding grooves is two.

Preferably, a first flange is fixedly arranged at one end of the main body, and a second flange is fixedly arranged at the other end of the main body.

Preferably, the top of the main body is fixedly provided with a mounting flange, and the top of the mounting flange is fixedly provided with a mounting plate through screws.

Preferably, the top fixed mounting of mounting panel has the electric jar, the bottom of electric jar runs through the mounting panel and extends to outside, the bottom fixed mounting of electric jar has the slide bar, the bottom fixed mounting of slide bar has the solid fixed ring.

Preferably, the sealing plate is slidably arranged outside the sliding rod, the partition plate is fixedly arranged inside the main body, and the partition plate is matched with the sealing plate.

Preferably, the sealing ring is sleeved outside the sealing plate, and the spring is sleeved outside the sliding rod and above the sealing plate.

Compared with the related art, the electric check door provided by the utility model has the following beneficial effects:

the check door is connected with the boiler pipeline for control boiler exhaust gas, avoid the gaseous backward flow, and contain a large amount of impurity in the exhaust gas, can cause air pollution in the direct emission outside air, effectually block the impurity through the filter screen, because gravity, the impurity falls into the inside of collecting box, after the inside collection of a certain amount of impurity of collecting box, demolish the collecting box through the cooperation between slide rail and the spout, clean the collecting box inside, install collecting box and main part after the cleanness finishes, filter screen surface adheres to a large amount of dust after long-time use, influence gas discharge, loose bolt at this moment, demolish the filter screen, clean it, install the filter screen again after the cleanness is accomplished, locking bolt at last, this simple structure, be convenient for clean the filter screen, the impurity of clean collection of being convenient for simultaneously.

Drawings

FIG. 1 is a schematic view of an electric check door according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the filter screen mounting structure shown in FIG. 1;

fig. 3 is a schematic view of the mounting structure of the sealing plate shown in fig. 1.

In the figure: 1. a main body; 2. a mounting groove; 3. a filter screen; 4. a bolt; 5. a slide rail; 6. a collection box; 7. a chute; 8. a first flange; 9. a second flange; 10. a mounting flange; 11. a mounting plate; 12. an electric cylinder; 13. a slide bar; 14. a fixing ring; 15. a sealing plate; 16. a seal ring; 17. a spring; 18. a partition board.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of an electric check door according to the present utility model; FIG. 2 is a schematic view of the filter screen mounting structure shown in FIG. 1; FIG. 3 is a schematic view of the mounting structure of the sealing plate shown in FIG. 1, the electric check door comprising: the utility model provides a filter screen, including main part 1, mounting groove 2 has been seted up on one side of the top of main part 1, mounting groove 2 slidable mounting has filter screen 3 at the top of main part 1, the equal threaded connection in outside both sides of filter screen 3 has bolt 4, the bottom fixed mounting of main part 1 has slide rail 5, and the quantity of slide rail 5 is two, the bottom of main part 1 has collecting box 6 through slide rail 5 slidable mounting, spout 7 with slide rail 5 looks adaptation has been seted up at the top of collecting box 6, and the quantity of spout 7 is two, the check door is connected with boiler pipe connection for control boiler exhaust gas, avoid gaseous backward flow, and contain a large amount of impurity in the exhaust gas, can cause air pollution in the direct discharge outside air, through filter screen 3 effectually with impurity blocking, because gravity, the impurity falls into the inside of collecting box 6, after collecting a certain amount of impurity is collected to the inside of collecting box 6, remove collecting box 6 through the cooperation between slide rail 5 and the spout 7, clean collecting box 6 and main part 1 after the cleaning, 3 surface adhesion a large amount of dust after the long-time use, influence gas discharge, loose 4, install the filter screen 3, clean the filter screen is convenient to clean the filter screen, the filter screen is removed 3, the filter screen is convenient for install, clean the filter screen is convenient for install, the filter screen 3, the filter screen is cleaned after the filter screen is cleaned, the filter screen is convenient to clean, and the filter screen is cleaned, and the filter screen is convenient to clean is cleaned.

One end fixed mounting of main part 1 has first flange 8, and the other end fixed mounting of main part 1 has second flange 9, is convenient for install check door and boiler blast pipe through first flange 8, and second flange 9 is used for fixing the one end of check door, has improved the stability of check valve during operation.

The top fixed mounting of main part 1 has mounting flange 10, mounting flange 10's top has mounting panel 11 through screw fixed mounting, mounting panel 11's top fixed mounting has electric jar 12, the bottom of electric jar 12 runs through mounting panel 11 and extends to the outside, electric jar 12's bottom fixed mounting has slide bar 13, slide bar 13's bottom fixed mounting has solid fixed ring 14, can change gu fixed ring 14's height through electric jar 12's work, when the gas that needs to last to discharge, electric jar 12 shrink, gu fixed ring 14 drives closing plate 15 and upwards moves, spring 17 compresses this moment, gas can follow main part 1's inside and circulate continuously, the function of electric regulation has been possessed.

The outside slidable mounting of slide bar 13 has closing plate 15, the inside fixed mounting of main part 1 has baffle 18, looks adaptation between baffle 18 and the closing plate 15, the outside cover of closing plate 15 is equipped with sealing washer 16, the outside of slide bar 13 just is located the top cover of closing plate 15 and is equipped with spring 17, during normal use, when boiler exhaust gas pressure is too high, closing plate 15 upwards moves, spring 17 compresses this moment, gas flows through main part 1, when atmospheric pressure is too little, spring 17 is because reset effect for closing plate 15 downwardly moving, closing plate 15 and baffle 18 contact, the effectual inside jam of main part 1, the unable circulation of gas, the condition emergence of effectual avoiding gas reflux, and this structure is simple, and convenient to use.

The working principle of the electric check door provided by the utility model is as follows:

the first step: the check valve is convenient to install with the boiler blast pipe through first flange 8, second flange 9 is used for fixing the one end of check valve, stability when having improved the check valve work, during normal use, when boiler exhaust gas atmospheric pressure is too high, closing plate 15 upwards moves, spring 17 compression this moment, gas flows through main part 1, when atmospheric pressure is too little, spring 17 is because reset effect for closing plate 15 moves downwards, closing plate 15 and baffle 18 contact, the effectual inside jam of main part 1, the unable circulation of gas, the effectual condition that avoids the gas reflux takes place.

And a second step of: when the gas is required to be continuously exhausted, the electric cylinder 12 is contracted, the fixing ring 14 drives the sealing plate 15 to move upwards, the spring 17 is compressed at the moment, the gas can continuously circulate from the inside of the main body 1, and the electric regulation function is realized.

And a third step of: the exhaust gas contains a large amount of impurities, the direct discharge can cause air pollution to the outside air, the impurities are effectively blocked through the filter screen 3, because of gravity, the impurities fall into the interior of the collecting box 6, after a certain amount of impurities are collected in the collecting box 6, the collecting box 6 is removed through the cooperation between the sliding rail 5 and the sliding chute 7, the interior of the collecting box 6 is cleaned, the collecting box 6 is installed with the main body 1 after the cleaning is finished, a large amount of dust is adhered to the surface of the filter screen 3 after the cleaning is finished, the gas discharge is influenced, the filter screen 3 is removed through the loosening bolt 4, the cleaning is carried out, the filter screen 3 is installed after the cleaning is finished, and finally the bolt 4 is locked.

the check door is connected with a boiler pipeline for control boiler exhaust gas, avoid the gaseous backward flow, and contain a large amount of impurity in the exhaust gas, can cause air pollution in the direct discharge outside air, effectually block impurity through filter screen 3, because gravity, the impurity falls into the inside of collecting box 6, after the inside impurity of collecting a certain amount of collection of collecting box 6, demolish collecting box 6 through the cooperation between slide rail 5 and the spout 7, clean collecting box 6 inside, install collecting box 6 and main part 1 after the cleanness finishes, a large amount of dust are attached to filter screen 3 surface after the long-time use, influence the gas and discharge, loosen bolt 4 this moment, demolish filter screen 3, clean it, install filter screen 3 again after the cleanness is accomplished, locking bolt 4 at last, this simple structure, be convenient for clean filter screen 3, be convenient for clean the impurity of collecting simultaneously.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. An electric check door comprising: main part (1), its characterized in that: mounting groove (2) have been seted up on one side of the top of main part (1), the top of main part (1) has filter screen (3) through mounting groove (2) slidable mounting, equal threaded connection of outside both sides of filter screen (3) has bolt (4), the bottom fixed mounting of main part (1) has slide rail (5), and the quantity of slide rail (5) is two, the bottom of main part (1) has collecting box (6) through slide rail (5) slidable mounting, spout (7) with slide rail (5) looks adaptation have been seted up at the top of collecting box (6), and the quantity of spout (7) is two.

2. The electric check door according to claim 1, characterized in that a first flange (8) is fixedly mounted at one end of the main body (1), and a second flange (9) is fixedly mounted at the other end of the main body (1).

3. The electric check door according to claim 2, characterized in that a mounting flange (10) is fixedly mounted on the top of the main body (1), and a mounting plate (11) is fixedly mounted on the top of the mounting flange (10) through screws.

4. An electric check valve according to claim 3, characterized in that an electric cylinder (12) is fixedly mounted at the top of the mounting plate (11), the bottom end of the electric cylinder (12) penetrates through the mounting plate (11) and extends to the outside, a sliding rod (13) is fixedly mounted at the bottom end of the electric cylinder (12), and a fixing ring (14) is fixedly mounted at the bottom end of the sliding rod (13).

5. The electric check door according to claim 4, characterized in that the sealing plate (15) is slidably mounted on the outer portion of the sliding rod (13), a partition plate (18) is fixedly mounted on the inner portion of the main body (1), and the partition plate (18) is matched with the sealing plate (15).

6. The electric check door according to claim 5, characterized in that a sealing ring (16) is sleeved outside the sealing plate (15), and a spring (17) is sleeved outside the sliding rod (13) and above the sealing plate (15).