Discharging dust suppression device for powder materials

Abstract

The utility model relates to a powder material unloading dust suppression device, which comprises a fixed frame, a sealing system, an unloading control system and an operation window, the top of the fixed frame is provided with the sealing system, the fixed frame is internally provided with the unloading control system, and one side of the fixed frame is provided with the operation window; the sealing system comprises two movable cover plates, a rotating shaft, a top fixed pulley, a bottom fixed pulley and ropes, the two movable cover plates are symmetrically arranged at the top of the fixed frame through the rotating shaft, the top fixed pulley is fixedly arranged above the fixed frame, the bottom fixed pulley is arranged at the bottom of the fixed frame, and the two ropes are connected to the middles of the two movable cover plates respectively. The other end of the rope sequentially penetrates through the top fixed pulley and the bottom fixed pulley and then returns to be connected to the corresponding movable cover plate. According to the baking soda powder discharging device, discharging is conducted in the sealed space, the phenomenon that baking soda powder rises dust is effectively avoided, the discharging speed can be controlled through the discharging control system, and different application requirements of production are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of powder material's unloading dust suppression device, belong to dust suppression equipment technical field. BACKGROUND

[0002] In the production process of sodium-based boiler flue gas desulfurization process, as shown in Figure 1 、 Figure 2 It is shown that by manual operation, the knot of baking soda powder ton bag is opened, and the baking soda powder is freely dropped from the ton bag, and is added to the lower mill hopper for subsequent grinding process. During the unloading and filling process of the bagged baking soda powder, a serious baking soda powder dust phenomenon occurs, causing serious pollution to the indoor air environment of the production workshop and posing a serious threat to the health of production workers. The large amount of escape of baking soda powder also causes unnecessary waste. In addition, the baking soda powder dust also causes serious damage to the important parts of the mill, such as the motor and bearing, resulting in an increase in the frequency of maintenance of the mill system and a decrease in production efficiency.

[0003] In view of the above reasons, it is necessary to develop a powder material unloading dust suppression device to solve the problem of baking soda powder dust. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides a kind of powder material's unloading dust suppression device, and the baking soda powder ton bag is placed in the device for unloading, which can effectively prevent the occurrence of baking soda powder dust phenomenon, and the unloading speed can be artificially controlled to meet different production needs.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of powder material's unloading dust suppression device, including fixed frame, sealing system, unloading control system and operation window, wherein, fixed frame top is provided with sealing system, fixed frame is provided with unloading control system in, fixed frame one side is provided with operation window;

[0007] The sealing system includes a movable cover plate, a rotating shaft, a top fixed pulley, a bottom fixed pulley and a rope. Two movable cover plates are symmetrically arranged on the top of the fixed frame through the rotating shaft. A top fixed pulley is fixedly arranged above the fixed frame. A bottom fixed pulley is arranged at the bottom of the fixed frame. One end of each of the two movable cover plates is connected to a rope. The other end of the rope passes through the top fixed pulley and the bottom fixed pulley in turn and is connected back to the corresponding movable cover plate.

[0008] According to the utility model, the inside of the movable cover plate is provided with an L-shaped limiting block. When the movable cover plate falls to the horizontal position, the limiting block just contacts the side wall of the fixed frame to limit and support the movable cover plate.

[0009] According to the utility model preferred, the fixed frame includes metal frame, side wall plate and conical hopper, the metal frame is the cuboid frame welded by square steel pipe, the metal frame outside is fixedly provided with side wall plate, forms the hollow cuboid shape, the side wall plate is acrylic plate, the metal frame inside is provided with conical hopper, the conical hopper downside is provided with unloading control system.

[0010] According to the utility model further preferred, the conical hopper includes square steel plate and conical bucket, the square steel plate middle part is provided with round through hole, the round through hole downside is fixedly provided with conical bucket.

[0011] According to the utility model preferred, the unloading control system includes slide way square tube, square tube sliding block A, square tube sliding block B, clamp arm A, clamp arm B, screw pipe A, screw pipe B, screw rod and rocker arm, square tube sliding block A and square tube sliding block B are slidably arranged in slide way square tube through pulley respectively, screw pipe A and screw pipe B are fixedly arranged in square tube sliding block A and square tube sliding block B respectively through support column, clamp arm A and clamp arm B are fixedly arranged at the opposite end of screw pipe A and screw pipe B respectively, clamp arm A and clamp arm B extend out of slide way square tube (the slide way square tube side wall near baking soda ton bag tie opening is provided with opening for the movement of clamp arm A and clamp arm B), control the opening and closing of ton bag and the speed of unloading, screw pipe A and screw pipe B are connected with screw rod through internal thread respectively, the direction of the internal thread of screw pipe A and the internal thread of screw pipe B is opposite, so that screw pipe A and screw pipe B move synchronously and reversely, the one end of screw rod extends out of slide way square tube and is connected with rocker arm, the one end of rocker arm extends out of fixed frame and is provided with handle, which is convenient to shake.

[0012] When using, the dust suppression device is installed on the upper side of the stock bin, then the upper section of the two ropes is pulled by manpower, the two movable cover plates are lifted upwards respectively, then the baking soda ton bag (tie opening downward) is moved to the upper side of the fixed frame under the hoisting of the travelling crane, the baking soda ton bag is lowered by the travelling crane, the baking soda ton bag is dropped into the conical hopper, the baking soda ton bag tie opening rope extends out of clamp arm A and clamp arm B, then the rocker arm is shaken, clamp arm A and clamp arm B are clamped inward to the baking soda ton bag tie opening, the lower section of the rope is pulled, so that the movable cover plate is closed, the fixed frame forms airtight space, then the operation window is opened manually, the tie opening rope is untied and taken out, then the operation window is closed, the rocker arm is shaken reversely, clamp arm A and clamp arm B are loosened, the unloading is carried out, the unloading speed is controlled by the opening and closing distance of clamp arm A and clamp arm B, after the unloading is completed, the movable cover plate is opened upwards, the baking soda ton bag is taken out and recycled.

[0013] The utility model has the advantages that:

[0014] 1. The utility model discloses a fixed frame inside unloading, can effectively avoid the powder dust phenomenon of baking soda powder, and utilize unloading control system can control the unloading speed, satisfy the different application demand of production.

[0015] 2. The utility model discloses the unloading control system structure of innovative design, utilize the clamping arm A and clamping arm B and clamp inverted ton bag bag and tie up after the manual solution rope, this place adopts the clamping design and is not cutting unloading and has two functions, one is that after manual solution rope can take out the tie up rope in time, avoids the tie up rope and falls into the bunker, influences the follow -up processing procedure, two is to avoid cutting damage ton bag bag, makes ton bag bag and can be recycled repeatedly. DRAWINGS

[0016] Figure 1 It is the sodium-based method boiler flue gas desulfurization process equipment structure diagram of existing;

[0017] Figure 2 It is the baking soda powder ton bag unloading schematic view of existing;

[0018] Figure 3 It is the application scene schematic view of the utility model;

[0019] Figure 4 It is the structure schematic view of the utility model;

[0020] Figure 5 It is the front view schematic view of the utility model;

[0021] Figure 6 It is the unloading control system installation schematic view of the utility model;

[0022] Figure 7 It is the conical hopper plan view schematic view of the utility model;

[0023] Figure 8 It is the unloading control system plan view schematic view of the utility model;

[0024] Figure 9 It is the slide square pipe opening schematic view of the utility model;

[0025] Figure 10 It is the slide square pipe horizontal section schematic view of the utility model;

[0026] Wherein: 1, fixed frame;2, sealing system;3, unloading control system;4, operation window;5, travelling crane track;6, baking soda powder ton bag;7, baking soda powder;8, bunker;9, grinding machine;10, powder feeder;

[0027] 11, conical hopper;111, square steel plate;112, conical bucket;

[0028] 21. Movable cover plate; 22. Rotating shaft; 23. Top fixed pulley; 24. Bottom fixed pulley; 25. Rope; 26. Limit stop;

[0029] 31. Slide rail square tube; 32. Square tube slider A; 33. Square tube slider B; 34. Clamping arm A; 35. Clamping arm B; 36. Screw tube A; 37. Screw tube B; 38. Screw; 39. Rocker arm; 310. Handle; 311. Support column; 312. Pulley; 313. Opening;

[0030] 61. Closing rope. Detailed Implementation

[0031] The present invention will be further described below with reference to the embodiments and accompanying drawings, but is not limited thereto.

[0032] Example 1:

[0033] like Figures 3-10 As shown, this embodiment provides a dust suppression device for unloading powdered materials, including a fixed frame 1, a sealing system 2, an unloading control system 3, and an operation window 4. The sealing system 2 is provided on the top of the fixed frame 1, the unloading control system 3 is provided inside the fixed frame 1, and the operation window 4 is provided on one side of the fixed frame 1.

[0034] The sealing system 2 includes movable cover plates 21, a rotating shaft 22, a top fixed pulley 23, a bottom fixed pulley 24, and ropes 25. Two movable cover plates 21 are symmetrically arranged on the top of the fixed frame 1 via the rotating shaft 22. A top fixed pulley 23 is fixedly installed on the top of the fixed frame 1 (in actual application, the top fixed pulley is fixed to the roof or beam above the fixed frame, etc., depending on the installation site conditions). A bottom fixed pulley 24 is installed at the bottom of the fixed frame 1. A rope 25 is connected to the middle of each of the two movable cover plates 21. The other end of the rope 25 passes through the top fixed pulley and the bottom fixed pulley in sequence and then returns to the corresponding movable cover plate 21.

[0035] An L-shaped limit stop 26 is provided on the inner side of the movable cover plate 21. When the movable cover plate 21 falls to the horizontal position, the limit stop 26 just contacts the side wall of the fixed frame 1 to limit and support the movable cover plate 21.

[0036] The fixed frame 1 includes a metal frame, side wall plates, and a conical funnel 11. The metal frame is a cuboid frame made of welded square steel pipes. Side wall plates are fixedly installed on the outside of the metal frame to form a hollow cuboid shape. The side wall plates are made of acrylic sheets. A conical funnel is installed on the inside of the metal frame. A material unloading control system 3 is fixedly installed on the lower side of the conical funnel 11 through a fixed bracket.

[0037] The conical funnel 11 comprises a square steel plate 111 and a conical bucket 112, the square steel plate 111 is provided with a circular through hole in the middle, and the conical bucket 112 is fixedly arranged at the lower side of the circular through hole.

[0038] The unloading control system 3 comprises a slide square pipe 31, square pipe sliders A 32 and B 33, clamping arms A 34 and B 35, screw pipes A 36 and B 37, a screw rod 38 and a rocker arm 39, the square pipe sliders A 32 and B 33 are slidably arranged in the slide square pipe 31 through pulleys 312 respectively, the screw pipes A 36 and B 37 are fixedly arranged in the square pipe sliders A 32 and B 33 through support columns 311 respectively, the clamping arms A 34 and B 35 are fixedly arranged at the opposite ends of the screw pipes A 36 and B 37 respectively, the clamping arms A 34 and B 35 extend out of the slide square pipe 31 (an opening 313 for the movement of the clamping arms A and B is arranged in the slide square pipe), the unloading speed and the opening and closing of the ton bag are controlled, the screw pipes A 36 and B 37 are connected with the screw rod 38 through internal threads respectively, the internal threads of the screw pipes A 36 and B 37 are opposite in direction, so that the screw pipes A and B move synchronously and reversely, the screw rod 38 is connected with the rocker arm 39 after extending out of the slide square pipe 31 at one end, and the rocker arm 39 is provided with a rocking handle 310 after extending out of the fixed frame 1 at one end, so as to facilitate rocking.

[0039] In use, the dust suppression device is installed on the upper side of the bin 8, then two upper sections of the ropes are pulled by manpower, two movable cover plates 21 are lifted upward respectively, then the soda ash ton bag is moved to the upper side of the fixed frame 1 under the movement of the crane, the soda ash ton bag (with the opening downward) is placed into the conical funnel 11, the opening rope 61 of the soda ash ton bag extends out of the clamping arms A 34 and B 35, then the rocker arm 39 is rocked, the clamping arms A 34 and B 35 are driven to clamp the opening of the soda ash ton bag inward, the lower sections of the ropes 25 are pulled, the movable cover plates 21 are closed, a closed space is formed in the fixed frame 1, then the operating window 4 is opened manually, the opening rope 61 is untied, then the operating window is closed, the rocker arm 39 is rocked reversely, the clamping arms A and B are loosened, and unloading is performed, the unloading speed is controlled by the opening and closing distance of the clamping arms A and B, after unloading is completed, the movable cover plates 21 are opened upward, and the soda ash ton bag is taken out for recycling.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dust suppression device for unloading powdered materials, characterized in that, It includes a fixed frame, a sealing system, a discharge control system, and an operating window. The fixed frame is equipped with a sealing system at the top, a discharge control system is installed inside the fixed frame, and an operating window is installed on one side of the fixed frame. The sealing system includes movable cover plates, a rotating shaft, a top fixed pulley, a bottom fixed pulley, and ropes. Two movable cover plates are symmetrically arranged on the top of the fixed frame via the rotating shaft. A top fixed pulley is fixedly installed above the fixed frame, and a bottom fixed pulley is installed at the bottom of the fixed frame. A rope is connected to the middle of each of the two movable cover plates. The other end of the rope passes through the top fixed pulley and the bottom fixed pulley in sequence and then returns to the corresponding movable cover plate.

2. The dust suppression device for unloading powdered materials as described in claim 1, characterized in that, An L-shaped limit stop is provided on the inside of the movable cover.

3. The dust suppression device for unloading powdered materials as described in claim 2, characterized in that, The fixed frame includes a metal frame, side wall panels, and a conical funnel. The side wall panels, which are made of acrylic, are fixedly installed on the outside of the metal frame. The conical funnel is installed on the inside of the metal frame, and a discharge control system is installed on the lower side of the conical funnel.

4. The dust suppression device for unloading powdered materials as described in claim 3, characterized in that, The conical funnel consists of a square steel plate and a conical hopper. A circular through hole is provided in the middle of the square steel plate, and the conical hopper is fixedly installed below the circular through hole.

5. The dust suppression device for unloading powdered materials as described in claim 4, characterized in that, The unloading control system includes a sliding square tube, a square tube slider A, a square tube slider B, a clamping arm A, a clamping arm B, a screw tube A, a screw tube B, a screw rod, and a rocker arm. The square tube slider A and the square tube slider B are slidably installed inside the sliding square tube via pulleys. The screw tube A and the screw tube B are fixedly installed inside the square tube slider A and the square tube slider B via support columns. The clamping arm A and the clamping arm B are fixedly installed at opposite ends of the screw tube A and the screw tube B, respectively. The clamping arm A and the clamping arm B extend out of the sliding square tube. The screw tube A and the screw tube B are connected to the screw rod through internal threads. The internal threads of the screw tube A and the screw tube B are in opposite directions. One end of the screw rod extends out of the sliding square tube and is connected to the rocker arm. One end of the rocker arm extends out of the fixed frame and is equipped with a rocker handle.

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