High-temperature double-layer flap valve

By designing a high-temperature double-layer flap valve and adopting a motor-driven support rod and filter plate structure, the problem of difficult control of ash content under the high-temperature flap valve was solved, realizing uniform ash conveying and stable operation of the device, and extending its service life.

CN223905772UActive Publication Date: 2026-02-13TIANJIN SHENGCHENG ENVIRONMENTAL TECH DEV CO LTD
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Patent Information

Application Number
CN202520552602.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-13
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing high-temperature flap valves have complex structures, making it difficult to control the amount of ash discharged. They are prone to clogging, leading to frequent malfunctions, high maintenance costs, and short service life.

Method used

A high-temperature double-layer flap valve was designed, including a feed hopper, flap valve housing A and flap valve housing B. The motor drives the support rod to drive the baffle plate to block the feed inlet. Combined with the filter screen and cleaning brush, large particles are filtered. The buffer plate limits the flap. Heat-resistant steel is used to improve the high-temperature resistance.

Benefits of technology

It achieves uniform control of the amount of ash falling, avoids blockage, ensures smooth ash powder transportation, extends the service life of the device, and improves operational stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of flap valves, in particular to a high-temperature double-layer flap valve which comprises a feeding hopper, a flap valve shell A, an open groove and a flap valve shell B. The flap valve shell A is arranged at the bottom of the feeding hopper, a motor A is arranged on one side of the flap valve shell A, the open groove is formed in the bottom of the side, away from the motor A, of the flap valve shell A, and the motor A is arranged in the open groove. Sealing strips are arranged at openings of the open grooves, and a filter screen plate penetrates through the open grooves; a flap valve shell B is arranged at the bottom of the flap valve shell A, and motors B are arranged on the two sides of the flap valve shell B. A motor A drives a supporting rod to drive a material blocking plate to rotate to be parallel to a feeding port of a flap valve shell A for blocking, so that materials cannot fall off, the discharging amount of the flap valve shell A is controlled, a small motor drives a cleaning brush to continuously rotate on the surface of a filter screen plate, large-particle ash is filtered out, and the dust removal efficiency is improved. The ash falls into the flap valve shell B as soon as possible to avoid blockage, and smooth conveying of the ash is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a flap valve technical field, concretely relates to a high temperature double -deck flap valve. BACKGROUND

[0002] The flap valve is as the ash hopper unloading device of various equipment and the feeding and unloading device of various mills, drying machines, stock bin and the like equipment, prevents the wild wind from blowing in, and the valve plate of the flap valve is automatically opened under the gravity of material, and the counterweight lever system makes the valve plate automatically reset after the material falls.

[0003] At present, the commonly used high temperature plate valve is difficult to control the ash quantity due to the complex structure, and is prone to cause the flap valve to appear, the fault, the maintenance cost is big, and the service life is reduced. Therefore, a high temperature double -deck flap valve is provided to conveniently control the ash quantity, make it even and quickly fall into the next layer, ensure the smooth conveying of ash powder, avoid the internal parts from being blocked and dead, thereby prolong the service life. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a high temperature double -deck flap valve to conveniently control the ash quantity, make it even and quickly fall into the next layer, ensure the smooth conveying of ash powder, avoid the internal parts from being blocked and dead, thereby prolong the service life.

[0005] The utility model solves its technical problem adopts the technical scheme of a kind of high temperature double -deck flap valve, including feed hopper, flap valve shell A, slot and flap valve shell B, the feed hopper bottom is equipped with flap valve shell A, the flap valve shell A side is equipped with motor A, the flap valve shell A side away from motor A bottom is equipped with slot, the slot opening is equipped with sealing strip, the slot is equipped with filter screen plate in -through;

[0006] The flap valve shell A bottom is equipped with flap valve shell B, and the flap valve shell B is equipped with motor B on both sides.

[0007] Specifically, the support rod is provided between the inner walls of the flap valve shell A, the support rod is provided with a material blocking plate on both sides, the material blocking plate is provided with a brush on the periphery, the brush is in contact with the inner wall of the flap valve shell A, one end of the support rod is connected to the driving end of the motor A through a rotating shaft, and the inner wall of the flap valve shell A is provided with a slide rail on both sides.

[0008] Specifically, the filter screen plate is provided with a small motor at the top, the driving end of the small motor at the bottom is connected to the cleaning brush through a rotating shaft, and the bottom of the cleaning brush is in contact with the top surface of the filter screen plate, and the filter screen plate is connected to the slide rail through a sliding block on both sides.

[0009] Specific, the said flap valve shell A bottom corresponding flap valve shell B top respectively provided with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate between respectively through bolt connection.

[0010] Specific, the said flap valve shell B inner wall both sides of the buffer plate, the said flap valve shell B inner wall away from the two sides of the buffer plate are equipped with fixed rod, the fixed rod one side through the screw fixed flap, the fixed rod one end through the shaft and motor B drive end connection.

[0011] Specific, the said flap valve shell A and flap valve shell B and baffle and flap are respectively made of heat-resistant steel material.

[0012] The utility model discloses the beneficial effect of:

[0013] (1) the utility model discloses a high temperature double -deck flap valve, motor A drive support rod drives baffle plate rotation and the feed inlet of flap valve shell A keep parallel and carry out plugging, make material unable to fall, can control the discharge capacity of flap valve shell A, again by small -size motor drive cleaning brush on the surface of filter screen board keep rotating, filter the larger particle's ash residue, make ash powder as soon as possible fall into the flap valve shell B and avoid the blockage, guarantee the smooth conveying of ash powder.

[0014] (2) the utility model discloses a high temperature double -deck flap valve, the height of buffer plate to flap is positioned, also slow down the impact force that the flap rotates, avoid damaging caused by mutual collision, guarantee the balance of flap, also improve the service life, again rotate the flap and make ash powder unload again, guarantee the stability of device operation. ACCURACY

[0015] The utility model is further explained in connection with the drawings and examples.

[0016] Figure 1 It is the whole schematic view of the utility model;

[0017] Figure 2 It is the flap valve shell A schematic view of the utility model;

[0018] Figure 3 It is the flap valve shell B schematic view of the utility model;

[0019] In the drawing: 1, feed hopper;2, flap valve shell A;3, motor A;4, support rod;5, baffle;6, brush;7, slide rail;8, filter screen board;9, small -size motor;10, cleaning brush;11, slot;12, sealing strip;13, first connecting plate;14, flap valve shell B;15, second connecting plate;16, motor B;17, fixed rod;18, buffer plate;19, flap. PREFERRED EMBODIMENT

[0020] In order to make the technical means, creation characteristics, achieve the purpose and function of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In order to facilitate the control of the ash quantity, make it fall into the next layer uniformly and quickly, ensure the smooth conveying of the ash powder, avoid the internal parts from being blocked and dead, thereby prolong the service life, for example, Figures 1-3 As shown in the utility model, the high-temperature double-layer flap valve comprises a feeding hopper 1, a flap valve shell A 2, a slot 11 and a flap valve shell B 14, the bottom of the feeding hopper 1 is provided with the flap valve shell A 2, one side of the flap valve shell A 2 is provided with a motor A 3, the bottom of the side of the flap valve shell A 2 away from the motor A 3 is provided with the slot 11, the opening of the slot 11 is provided with a sealing strip 12, and a filter screen plate 8 penetrates through the slot 11.

[0022] The bottom of the flap valve shell A 2 is provided with the flap valve shell B 14, and the two sides of the flap valve shell B 14 are provided with motors B 16.

[0023] In use, the ash and slag material falls into the flap valve shell A 2 from the feeding hopper 1.

[0024] The motor A 3 drives the support rod 4 to drive the blocking plate 5 to rotate and keep parallel with the feeding port of the flap valve shell A 2 to block, so that the material cannot fall, the discharging quantity of the flap valve shell A 2 can be controlled, the operation is simple, and the inner wall of the flap valve shell A 2 is swept by the brush 6 at the same time.

[0025] The material falls on the filter screen plate 8 by turning the blocking plate 5, the sweeping brush 10 is driven by the small motor 9 to rotate continuously, the larger particles of the ash and slag are filtered, the ash powder falls into the flap valve shell B 14 as soon as possible to avoid blockage, the smooth conveying of the ash powder is ensured, the surface large-particle ash and slag is cleaned by pulling the filter screen plate 8 in the later period, and the sealing ring blocks the air from entering the flap valve shell A 2, so that the internal dust and air are prevented from contacting to become sludge.

[0026] The buffer plate 18 limits the height of the flap 19, also slows down the impact force generated when the flap rotates, avoids damage caused by mutual collision, ensures the balance of the flap 19, also improves the service life, and the ash powder is unloaded again by rotating the flap 19 again, and the stability of the device operation is ensured.

[0027] In order to control the discharging quantity of the ash and slag material, for example, Figure 1 , Figure 2As shown, the utility model still includes, be equipped with support rod 4 between the inner wall of flap valve casing A2, both sides of support rod 4 are equipped with material baffle 5, the periphery of material baffle 5 is equipped with brush 6, brush 6 and flap valve casing A2 inner wall are mutually contacted, one end of support rod 4 is connected with motor A3 drive end through pivot, both sides of flap valve casing A2 inner wall are equipped with slide rail 7.

[0028] In use, motor A3 drives support rod 4 to drive material baffle 5 to rotate and keep parallel with the feed inlet of flap valve casing A2 to block, so that material cannot fall, can control the discharge capacity of flap valve casing A2, simple operation, while brush 6 sweeps the inner wall of flap valve casing A2, and the utility model has strong practicality.

[0029] As shown in Figure 1 , Figure 2 , the utility model still includes, small motor 9 is equipped at the top of filter screen plate 8, the bottom drive end of small motor 9 is connected with cleaning brush 10 through pivot, and the bottom of cleaning brush 10 and the top surface of filter screen plate 8 are mutually contacted, and both sides of filter screen plate 8 are connected with slide rail 7 through sliding block and slide.

[0030] In use, material falls on filter screen plate 8 by turning material baffle 5, and the larger particle ash is filtered by driving cleaning brush 10 to rotate continuously by small motor 9, so that ash powder falls into flap valve casing B14 as soon as possible to avoid blockage, and the surface large particle ash is cleaned by pulling filter screen plate 8 in later period.

[0031] As shown in Figure 1 , Figure 2 , Figure 3 , the utility model still includes, first connecting plate 13 and second connecting plate 15 are respectively arranged at the bottom of flap valve casing A2 and the top of flap valve casing B14, and the first connecting plate 13 and the second connecting plate 15 are connected by bolts.

[0032] In use, the bolt installs flap valve casing A2 and flap valve casing B14, when damage or maintenance occurs, directly disassembles, and the utility model is convenient to use.

[0033] As shown in Figure 1 , Figure 3 , the utility model still includes, buffer plate 18 is arranged at both sides of the inner wall of flap valve casing B14, fixed rod 17 is arranged at both sides of the inner wall of flap valve casing B14 away from buffer plate 18, flap 19 is fixed on one side of fixed rod 17 through screw, and one end of fixed rod 17 is connected with motor B16 drive end through pivot.

[0034] In use, the height of the turning plate 19 is limited by the buffer plate 18, the impact force generated when the turning plate rotates is reduced, mutual collision is avoided, damage is avoided, the balance of the turning plate 19 is ensured, the service life is improved, and the falling of the material is blocked.

[0035] As shown in Figure 1 、 Figure 2 、 Figure 3 The turning plate valve shell A2, the turning plate valve shell B14, the material blocking plate 5 and the turning plate 19 are made of heat-resistant steel.

[0036] In use, the steel plate made of heat-resistant steel is used as the manufacturing material of the valve body, the high-temperature oxidation resistance is improved, the deformation resistance is improved, the high-temperature resistance is improved, and the normal operation of the turning plate valve is ensured.

[0037] In use, the ash material falls into the turning plate valve shell A2 from the feeding hopper 1;

[0038] The motor A3 drives the support rod 4 to drive the material blocking plate 5 to rotate and keep parallel with the feeding port of the turning plate valve shell A2 to block the material from falling, the discharging amount of the turning plate valve shell A2 can be controlled, the operation is simple, and the inner wall of the turning plate valve shell A2 is cleaned by the brush 6;

[0039] The turning material blocking plate 5 makes the material fall on the filter screen plate 8, the cleaning brush 10 is driven to rotate by the small motor 9, the large particles of the ash are filtered, the ash powder is quickly dropped into the turning plate valve shell B14 to avoid blockage, the smooth conveying of the ash powder is ensured, the surface large particle ash is cleaned by pulling the filter screen plate 8, and the sealing ring blocks the air from entering the turning plate valve shell A2, so that the internal dust and the air are prevented from contacting to become sludge.

[0040] The height of the turning plate 19 is limited by the buffer plate 18, the impact force generated when the turning plate rotates is reduced, mutual collision is avoided, damage is avoided, the balance of the turning plate 19 is ensured, the service life is improved, the ash powder is unloaded again by rotating the turning plate 19, and the stability of the device is ensured.

[0041] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model. The utility model claims the scope defined by the appended claims and their equivalents.

Claims

1. A high temperature double flap valve characterized by, Including the feeding hopper (1), the flap valve shell A (2), the slot (11) and the flap valve shell B (14), the bottom of the feeding hopper (1) is equipped with the flap valve shell A (2), one side of the flap valve shell A (2) is equipped with motor A (3), the bottom of the side away from motor A (3) of the flap valve shell A (2) is equipped with slot (11), the opening of the slot (11) is equipped with sealing strip (12), the slot (11) is equipped with filter screen plate (8) through. The bottom of the flap valve shell A (2) is equipped with the flap valve shell B (14), and the two sides of the flap valve shell B (14) are equipped with motor B (16).

2. A high temperature double flap valve according to claim 1, wherein, The inner wall between the flap valve shell A (2) is equipped with support rod (4), the two sides of the support rod (4) are equipped with material baffle (5), the periphery of the material baffle (5) is equipped with brush (6), the brush (6) and the inner wall of the flap valve shell A (2) are in contact with each other, one end of the support rod (4) is connected with the driving end of motor A (3) through the rotating shaft, and the inner wall of the flap valve shell A (2) is equipped with slide rail (7) on both sides.

3. A high temperature double flap valve according to claim 1, wherein, The top of the filter screen plate (8) is equipped with small motor (9), the bottom driving end of the small motor (9) is connected with the cleaning brush (10) through the rotating shaft, and the bottom of the cleaning brush (10) is in contact with the top surface of the filter screen plate (8), and the two sides of the filter screen plate (8) are connected with the slide rail (7) through the sliding block.

4. A high temperature double flap valve according to claim 1, wherein, The bottom of the flap valve shell A (2) is equipped with first connecting plate (13) and second connecting plate (15) corresponding to the top of the flap valve shell B (14), and the first connecting plate (13) and the second connecting plate (15) are connected by bolts.

5. A high temperature double flap valve according to claim 1, wherein, The inner wall of the flap valve shell B (14) is equipped with buffer plate (18) on both sides, the inner wall of the flap valve shell B (14) is equipped with fixed rod (17) away from the two sides of the buffer plate (18), one side of the fixed rod (17) is fixed with flap (19) through screw, and one end of the fixed rod (17) is connected with the driving end of motor B (16) through the rotating shaft.

6. A high temperature double flap valve according to claim 1, wherein, The feeding hopper (1) and the flap valve shell A (2) and the flap valve shell B (14) are connected with each other, the flap valve shell A (2) and the flap valve shell B (14) and the material baffle (5) and the flap (19) are respectively made of heat-resistant steel.