A dust collector discharging turn plate air lock valve

Abstract

The utility model discloses a dust collector unloading turnplate air lock, include: fixed installation in the top of unloading cylinder's two up and down setting's turnplate unit, the main part of turnplate unit includes connecting cylinder and discharge connecting hopper, discharge connecting hopper fixed mounting is in the top of connecting cylinder inner chamber, the bottom end of discharge connecting hopper is provided with two discharge port sealing plate symmetrically. The utility model discloses through the alternate operation of up and down double -deck turnplate unit, forms dynamic gas isolation layer, ensures always having primary seal existence, completely blocks dust collector inside airflow along unloading channel leakage, maintains system negative pressure stability, reduces energy loss, and discharge port sealing plate realizes mechanical interlock through triangular clamping slot and bending end face, and the high temperature -resisting, corrosion -resistant rubber sleeve of cooperation sealing plate bottom adds, adapts dust environment and compensates metal deformation gap, and dust has no leakage, and external air zero invasion, prolongs the life of equipment.

Description

Technical Field

[0001] This utility model relates to the technical field of flap lock valves, and in particular to a flap lock valve for discharging dust collectors. Background Technology

[0002] In existing technologies, kiln tail dust collectors are core equipment for treating exhaust gas from industrial kilns in cement, steel, and other industries. Their main function is to capture dust particles from high-temperature, dust-laden flue gas to ensure emissions meet standards. Kiln tail dust collectors are typically equipped with flap-type airlock valves, which are key airlock and ash-discharging devices in industrial dust removal systems. These valves achieve sealing and continuous material conveying through the alternating opening and closing of the valve plates.

[0003] A search revealed Chinese patent application number 202323268440.9, which discloses a flap-type dust removal and airlock device for a dust collector. Through its design, after the dust on the inner wall of the dust pipe is brushed off, it is sucked out by the suction force generated by the air pump. The dust then enters the dust collection box through a third air pipe, where it is filtered by a filter screen. The air passing through the filter screen opens the dust collection box, preventing excessive dust from entering the air pump and causing blockage. When the filter screen becomes clogged, reducing the air pump's suction, a second electric telescopic rod is activated. By controlling the extension and retraction of the second electric telescopic rod, the brush moves up and down, cleaning the dust on the filter screen. This ensures the filter screen remains unobstructed, facilitating increased air pump suction and improving the cleaning efficiency of the dust pipe.

[0004] The above-mentioned patent has the following shortcomings: In actual use, the device mainly controls the unloading of dust through an electrically driven structure. At the same time, the air pump and other structures used to manage the dust pipe increase the cost of using the flap lock valve, and the control effect is relatively weak. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a dust collector discharge flap lock valve.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A dust collector discharge flap lock valve includes: two flap units fixedly installed at the top of the discharge cylinder, each flap unit comprising a connecting cylinder and a discharge connecting hopper. The discharge connecting hopper is fixedly installed at the top of the inner cavity of the connecting cylinder. Two discharge port sealing plates are symmetrically arranged at the bottom of the discharge connecting hopper. Two fixing brackets are fixedly installed on the lower surface of the discharge port sealing plates. An internally threaded cylinder is fixedly connected to one side of each fixing bracket. A connecting sleeve is fixedly installed inside the internally threaded cylinder. A stabilizing spring is provided inside the connecting sleeve. A stabilizing connecting rod is fixedly installed at one end of the stabilizing spring. One end of the stabilizing connecting rod passes through the connecting cylinder and extends outward. Push-pull connecting handles are fixedly installed at the extended ends of the two stabilizing connecting rods.

[0007] As a further embodiment of this utility model: a connecting bucket support frame is fixedly sleeved on the middle of the outer wall of the unloading connecting bucket, and the connecting bucket support frame is fixed to the inner wall of the connecting cylinder.

[0008] As a further improvement of this utility model: both sides of the unloading connecting hopper are fixedly installed with matching sealing plates, and the top of the matching sealing plates is fixed to the connecting hopper support frame.

[0009] As a further improvement of this utility model: both sides of the unloading connecting hopper are fixedly installed with connecting sliding guide cylinders, and a guide connecting shaft is slidably installed inside the connecting sliding guide cylinders on the same side of the two unloading connecting hoppers.

[0010] As a further embodiment of this utility model: both ends of the guide connecting shaft penetrate the connecting cylinder and extend outward, and the extension ends of the two guide connecting shafts at the same end are fixedly installed with mounting arms, which are fixedly installed on the outer wall of the connecting cylinder.

[0011] As a further improvement of this utility model: two limiting arms are symmetrically welded to the inner wall of the bottom end of the mounting arm, and a limiting bracket is slidably installed between the two limiting arms.

[0012] As a further improvement of this utility model: a discharge connecting rod is fixedly installed on one side of the discharge port sealing plate, and the end of the discharge connecting rod passes through the connecting cylinder and extends outward.

[0013] As a further embodiment of this utility model: the extension end of the unloading connecting rod is fixedly installed with an unloading connecting handle, and both ends of one side of the unloading connecting handle are fixedly connected with limit bending rods.

[0014] Compared with the prior art, this utility model provides a dust collector discharge flap airlock valve, which has the following beneficial effects: The dust collector's discharge flap lock valve forms a dynamic gas isolation layer through the alternating operation of the upper and lower double-layer flap units, ensuring that a primary seal is always present. This completely blocks the leakage of airflow inside the dust collector along the discharge channel, maintains the system's negative pressure stability, and reduces energy loss. The discharge port sealing plate achieves mechanical interlocking through triangular grooves and bent end faces, enhancing the tightness of the closure. In conjunction with the addition of a high-temperature and corrosion-resistant rubber sleeve at the bottom of the sealing plate, it adapts to the dusty environment and compensates for metal deformation gaps, ensuring no dust leakage and zero intrusion of external air, thus extending the equipment's lifespan.

[0015] The dust collector's unloading flap lock valve has a push-pull connection handle locked by a limit bracket. The limit bracket must be pulled down before the unloading connection handle can be pulled. The stabilizing spring automatically pushes the push-pull connection handle to fit against the limit bend rod, forming a mechanical reset prompt after the operation is completed. This avoids sealing failure due to operational negligence and ensures continuous production safety.

[0016] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model; Figure 2 This is a three-dimensional structural diagram of the flap unit of this utility model; Figure 3 This is a partial cross-sectional view of the flap unit of this utility model; Figure 4 This utility model Figure 3 A magnified schematic diagram of the local structure at point A; Figure 5 This utility model Figure 3 A magnified view of the structure at point B in the middle; Figure 6 This is a three-dimensional structural diagram of the feeding cylinder of this utility model.

[0018] In the diagram: 1. Flip-plate unit; 2. Discharge cylinder; 101. Connecting cylinder; 102. Discharge connecting hopper; 103. Mounting arm; 104. Guide connecting shaft; 105. Limiting arm; 106. Limiting bracket; 107. Push-pull connecting handle; 108. Stabilizing connecting rod; 109. Discharge connecting handle; 110. Discharge connecting rod; 111. Limiting bent rod; 112. Connecting hopper support frame; 113. Discharge port sealing plate; 114. Matching sealing plate; 115. Connecting sliding guide cylinder; 116. Fixing frame plate; 117. Internal threaded cylinder; 118. Connecting sleeve; 119. Stabilizing spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] A dust collector discharge flap airlock valve, such as Figures 1 to 6 As shown, it includes: two flap units 1 fixedly installed at the top of the feeding cylinder 2, one above the other, the two flap units 1 being fixedly connected to form the main body of the flap airlock valve, which is installed in the hopper of the dust collector to realize the feeding and airlock of the dust collector, ensuring the relative sealing of the dust collector and preventing the airflow inside the dust collector from leaking through the feeding port; the upper part of the feeding cylinder 2 is set as an inverted frustum shape, and the lower part is set as a square cylinder, which facilitates the concentrated discharge of dust discharged by the flap airlock valve.

[0021] The main body of the flap unit 1 includes a connecting cylinder 101 and a discharge connecting hopper 102. The discharge connecting hopper 102 is fixedly installed on the top of the inner cavity of the connecting cylinder 101. A connecting hopper support frame 112 is fixedly sleeved on the middle of the outer wall of the discharge connecting hopper 102. The connecting hopper support frame 112 is fixed to the inner wall of the connecting cylinder 101.

[0022] Both sides of the unloading connecting hopper 102 are fixedly installed with matching sealing plates 114. The main body of the matching sealing plate 114 is a metal plate, and the top is fixed to the bottom of the connecting hopper support frame 112. The outer wall of the lower part of the metal plate is bonded with a corrosion-resistant and high-temperature resistant rubber sleeve. The weather resistance design of the rubber sleeve is suitable for working conditions above 80℃ and acidic and alkaline dust.

[0023] Two discharge port sealing plates 113 are symmetrically arranged at the bottom end of the discharge connecting hopper 102. The top of the discharge port sealing plate 113 is provided with a discharge port groove. The two discharge port grooves form a discharge port sealing groove, which is fitted onto the bottom end of the discharge connecting hopper 102. One side of the bottom end of the sealing plate 114 fits against one side of the groove wall of the discharge port groove. Furthermore, a triangular groove is provided at the bottom of the side of one discharge port sealing plate 113 adjacent to the other discharge port sealing plate 113. A triangular arm is integrally formed at the corresponding position of the other discharge port sealing plate 113, so that the contact surface of the two discharge port sealing plates 113 forms a bent end face, ensuring the sealing ability of the two discharge port sealing plates 113 to the bottom outlet of the discharge connecting hopper 102.

[0024] A discharge connecting rod 110 is fixedly installed on the side of each of the two discharge port sealing plates 113 that is far apart from each other. The end of the discharge connecting rod 110 passes through the connecting cylinder 101 and extends outward. The discharge connecting rod 110 is slidably connected to the connecting cylinder 101 and the connection is sealed. A discharge connecting handle 109 is fixedly installed on the extended end of the discharge connecting rod 110. Two limiting bent rods 111 are fixedly connected on the side of the discharge connecting handle 109 that is far away from the discharge port sealing plate 113 and are respectively located at both ends of the discharge connecting handle 109.

[0025] Both sides of the unloading connecting hopper 102 are fixedly installed with connecting sliding guide cylinders 115. Inside the connecting sliding guide cylinders 115 on the same side of the two unloading connecting hoppers 102, guide connecting shafts 104 are slidably installed. Both ends of the guide connecting shafts 104 penetrate the connecting cylinder body 101 and extend outward. The connection is sealed. The extension ends of the two guide connecting shafts 104 at the same end are fixedly installed with mounting arms 103. The mounting arms 103 are fixedly installed on the outer wall of the connecting cylinder body 101.

[0026] The mounting arm 103 is U-shaped, and two limiting arms 105 are symmetrically welded to the inner wall of the bottom end of the mounting arm 103. Limiting grooves are opened on the side of the two limiting arms 105 that are close to each other. A limiting bracket 106 is slidably installed between the two limiting arms 105. Limiting arms that are slidably installed inside the limiting grooves are integrally formed on both sides of the limiting bracket 106, and a limiting slot is opened at the top of the limiting bracket 106.

[0027] Two fixed bracket plates 116 are fixedly installed on the bottom of the unloading port sealing plate 113 on one side close to each other, respectively located at both ends of the unloading port sealing plate 113. An internal threaded cylinder 117 is fixedly connected to one side of the fixed bracket plate 116. A connecting sleeve 118 is fixedly installed inside the internal threaded cylinder 117. A stabilizing spring 119 is installed inside the connecting sleeve 118.

[0028] A stabilizing connecting rod 108 is fixedly installed at one end of the stabilizing spring 119. The stabilizing connecting rod 108 slides inside the connecting sleeve 118, and one end of the stabilizing connecting rod 108 passes through the connecting cylinder 101 and extends outward. Push-pull connecting handles 107 are fixedly installed at the extended ends of the two stabilizing connecting rods 108. The push-pull connecting handles 107 are engaged in the limiting slot of the limiting bracket 106, and the push-pull connecting handles 107 are located on one side of the limiting bent rod 111. The outer wall of the limiting bent rod 111 is fitted with a shock-absorbing rubber sleeve. The stabilizing connecting rod 108 is slidably connected to the connecting cylinder 101, and the connection is sealed.

[0029] Working principle: Please refer to Figures 1 to 6 Assemble the device as shown in the figure; when using the device, fix the upper flap unit 1 to the discharge port of the dust collector. In use, the device is first operated by pushing the push-pull connecting handle 107, which slides the limiting bracket 106 down, disengaging the push-pull connecting handle 107 from the limiting slot. Then, the push-pull connecting handle 107 is released. Under the elastic force of the compressed stabilizing spring 119, the two stabilizing connecting rods 108 push the push-pull connecting handle 107 to engage with the limiting bent rod 111. Then, the unloading connecting handle 109 pulls the unloading connecting rod 110, which in turn pulls the unloading port sealing plate 113, exposing the unloading port of the unloading connecting hopper 102. The dust inside the mobile phone falls off under the action of gravity; the above structure consists of two symmetrical parts, which can be operated simultaneously by two people to quickly expose the discharge port of the unloading connecting hopper 102, or operated by one person in two steps; after the unloading work is completed, the unloading steps are reversed to close the discharge port of the unloading connecting hopper 102; the two flap units 1 work from top to bottom, the upper flap unit 1 performs the unloading work first and then closes, and the lower flap unit 1 performs the unloading work later. After the unloaded dust is completely discharged through the discharge cylinder 2, it is closed again.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dust collector discharge flap airlock valve, characterized in that, include: Two flap units (1) are fixedly installed at the top of the discharge cylinder (2), one above the other. The main body of the flap unit (1) includes a connecting cylinder (101) and a discharge connecting hopper (102). The discharge connecting hopper (102) is fixedly installed at the top of the inner cavity of the connecting cylinder (101). Two discharge port sealing plates (113) are symmetrically arranged at the bottom end of the discharge connecting hopper (102). Two fixing frame plates (116) are fixedly installed on the lower surface of the discharge port sealing plates (113). 6) One side is fixedly connected to an internal threaded cylinder (117), and a connecting sleeve (118) is fixedly installed inside the internal threaded cylinder (117). A stabilizing spring (119) is provided inside the connecting sleeve (118). A stabilizing connecting rod (108) is fixedly installed at one end of the stabilizing spring (119). One end of the stabilizing connecting rod (108) passes through the connecting cylinder (101) and extends outward. Push-pull connecting handles (107) are fixedly installed at the extended ends of the two stabilizing connecting rods (108).

2. The dust collector discharge flap airlock valve according to claim 1, characterized in that: A connecting bucket support frame (112) is fixedly sleeved on the middle of the outer wall of the unloading connecting bucket (102), and the connecting bucket support frame (112) is fixed to the inner wall of the connecting cylinder (101).

3. The dust collector discharge flap airlock valve according to claim 1, characterized in that: Both sides of the unloading connecting hopper (102) are fixedly installed with mating sealing plates (114), and the top of the mating sealing plates (114) is fixed to the connecting hopper support frame (112).

4. The dust collector discharge flap airlock valve according to claim 1, characterized in that: Both sides of the unloading connecting hopper (102) are fixedly installed with connecting sliding guide cylinders (115), and guide connecting shafts (104) are slidably installed inside the connecting sliding guide cylinders (115) on the same side of the two unloading connecting hoppers (102).

5. The dust collector discharge flap airlock valve according to claim 4, characterized in that: Both ends of the guide connecting shaft (104) penetrate the connecting cylinder (101) and extend outward, and the extension ends of the two guide connecting shafts (104) are fixedly installed with mounting arms (103), which are fixedly installed on the outer wall of the connecting cylinder (101).

6. The dust collector discharge flap airlock valve according to claim 5, characterized in that: Two limiting arms (105) are symmetrically welded to the inner wall of the bottom end of the mounting arm (103), and a limiting bracket (106) is slidably installed between the two limiting arms (105).

7. The dust collector discharge flap airlock valve according to claim 1, characterized in that: A discharge connecting rod (110) is fixedly installed on one side of the discharge port sealing plate (113). The end of the discharge connecting rod (110) passes through the connecting cylinder (101) and extends outward.

8. The dust collector discharge flap airlock valve according to claim 7, characterized in that: The unloading connecting rod (110) is fixedly installed with an unloading connecting handle (109) at its extended end, and both ends of one side of the unloading connecting handle (109) are fixedly connected with limit bending rods (111).

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