Spraying dust suppression device for coal conveying belt

Abstract

The invention relates to the technical field of dust suppression, in particular to a coal conveying belt spraying dust suppression device which comprises a supporting component, a support, a movable assembly arranged on the support, a conveying assembly arranged on the movable assembly and an extrusion assembly arranged on the support. The dust suppression component comprises a spraying assembly arranged on the support and a rotating assembly arranged on the spraying assembly, when coal briquettes fall onto a movable assembly, the movable assembly senses falling coal and drives the dust suppression assembly to spray water mist after coal falling, the dust suppression assembly can enable the sprayed water mist to be different in distance and length when the water mist is sprayed, and the rotating assembly is arranged on the spraying assembly. Therefore, the dust suppression range is large, diffusion of dust is suppressed to the maximum extent, and the device also avoids slipping of accumulated water on a conveying piece due to excessive spraying.

Description

Technical Field

[0001] The invention relates to the technical field of dust suppression, in particular to a coal conveyor belt spray dust suppression device. Background Art

[0002] The coal handling system is the entire production process used to transport coal from the coal unloading device directly to the boiler raw coal bunker in a thermal power plant.

[0003] The coal handling system is mainly composed of multiple equipment, including but not limited to fuel transportation, coal unloading machinery, coal receiving equipment, coal yard facilities, coal handling equipment, coal quantity metering devices, screening and crushing equipment, centralized control and automation equipment, and other auxiliary equipment and ancillary buildings. These equipment work together to ensure that coal is unloaded, stored, and finally transported to the boiler raw coal bunker to provide the necessary fuel for thermal power generation. The design and operation of the coal handling system is directly related to the efficiency and safety of the power plant, so its components include not only physical conveying equipment, but also control systems, safety equipment, and maintenance equipment to ensure safe, efficient and reliable coal transportation.

[0004] In the prior art, the commonly adopted dust suppression methods for coal conveying systems are: 1. Dust removal fan mode. The dust in the coal conveying system is sucked out by a dust removal fan. This method has the problems of low dust removal efficiency and dead corners. 2. Spray dust suppression, using a spray method. However, the coal conveying system adopts a belt transportation method, and uses a coal transfer trestle to transport the fuel to the destination. The coal conveyor belt is transferred to the next-level coal conveyor belt through a coal drop tube. When the fuel passes through the coal drop tube, a large amount of dust is generated due to the height difference, which will cause the civilized and sanitary conditions of the coal conveying system to be poor. The traditional spray dust suppression method cannot detect and judge whether the belt has dropped coal, which will lead to excessive spraying and water accumulation on the belt and slipping. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the fact that the traditional spray dust suppression method mentioned above or in the prior art cannot detect and judge whether coal has fallen onto the belt, which may lead to problems such as excessive spraying and water accumulation on the belt causing slippage, the present invention is proposed.

[0007] Therefore, the object of the present invention is to provide a coal conveyor belt spray dust suppression device.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: a coal conveyor belt spray dust suppression device, comprising:

[0009] The supporting component includes a bracket, a movable component arranged on the bracket, a conveying component arranged on the movable component, and an extrusion component arranged on the bracket;

[0010] The dust suppression component comprises a spray assembly arranged on the bracket and a rotating assembly arranged on the spray assembly.

[0011] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the movable component includes two groups of cavities arranged on the bracket, a fixed rod arranged in the cavity, a spring 1 arranged on the fixed rod, and an arc block arranged on the spring 1.

[0012] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the conveying assembly includes a mounting shaft arranged on two groups of arc blocks, a rotating shaft arranged on the mounting shaft, and a conveying member arranged on the rotating shaft.

[0013] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the conveying assembly further includes a belt arranged on the rotating shaft, a motor arranged on the belt, and a connecting seat arranged on the motor.

[0014] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the extrusion assembly includes a connecting rod arranged on the bracket, a connecting column arranged on the connecting rod, and a plurality of sets of wheels arranged on the connecting column.

[0015] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the spray assembly includes a baffle arranged on one side of the bracket, a water tank arranged on the baffle, a straight pipe arranged on the water tank, and a connecting pipe arranged on the straight pipe.

[0016] As a preferred solution of the coal conveyor belt spray dust suppression device of the present invention, the spray assembly also includes a ball disposed in the straight pipe, a mesh cover disposed above the ball, and a spring 2 disposed on the mesh cover.

[0017] As a preferred solution of the coal conveyor belt spray dust suppression device of the present invention, the spray assembly further includes a conical groove arranged in the connecting pipe, and a round ball arranged in the conical groove.

[0018] As a preferred solution of a coal conveyor belt spray dust suppression device of the present invention, the rotating assembly includes a fixing frame arranged on one side of the connecting pipe, a channel opened on the fixing frame, and a spray head arranged on the channel.

[0019] As a preferred solution of the coal conveyor belt spray dust suppression device of the present invention, the rotating assembly further includes a plurality of groups of blocks arranged on the spray head, and the plurality of groups of blocks are arranged in a circular array on the spray head.

[0020] The beneficial effects of the coal conveyor belt spray dust suppression device of the present invention are: BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 It is an overall schematic diagram of a coal conveyor belt spray dust suppression device.

[0023] Figure 2 This is a schematic diagram of the overall structure of a coal conveyor belt spray dust suppression device from another angle.

[0024] Figure 3 The overall schematic diagram of the extrusion assembly.

[0025] Figure 4 This is a cross-sectional view of a coal conveyor belt spray dust suppression device.

[0026] Figure 5 This is a schematic diagram from another angle of the cross-sectional view of a coal conveyor belt spray dust suppression device.

[0027] Figure 6 This is a schematic diagram of the electrical part of a coal conveyor belt spray dust suppression device. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0031] Example 1

[0032] Reference Figure 1 , which is the first embodiment of the present invention, and this embodiment provides a coal conveyor belt 103d spray dust suppression device, which can achieve the effect of precise dust reduction on the coal conveying system, and includes a supporting component 100, including a bracket 101, a movable component 102 arranged on the bracket 101, the movable component 102 can sense the falling coal, a conveying component 103 movably connected to the movable component 102, the conveying component 103 can transport coal blocks, and an extrusion component 104 movably connected to the bracket 101, the extrusion component 104 can remove more water stains on the conveying component 103.

[0033] The dust suppression component 200 includes a spray assembly 201 movably connected to the bracket 101, the spray assembly 201 can suppress a large amount of dust generated by the height difference when the fuel passes through the coal drop tube, and a rotating assembly 202 movably connected to the spray assembly 201, the rotating assembly 202 can spray water mist to different positions.

[0034] In summary, when the coal block falls onto the movable component 102, the movable component 102 senses the falling coal, and after the coal falls, it drives the dust suppression component to spray water mist. When spraying the water mist, the dust suppression component can make the spraying distance of the water mist different, thereby making the dust suppression range large and suppressing the diffusion of dust to the greatest extent. The device also avoids excessive spraying, which causes water accumulation and slipping on the conveying member 103c.

[0035] Example 2

[0036] Reference Figures 2-3 , which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides a coal conveyor belt 103d spray dust suppression device, which solves the problem of detecting and judging the falling coal. It includes a movable component 102 including two groups of cavities 102a opened on the bracket 101, a fixed rod 102b fixed in the cavity 102a, a spring 102c fixed on the fixed rod 102b, and an arc block 102d fixed on the spring 102c.

[0037] Furthermore, the conveying assembly 103 includes a mounting shaft 103a fixedly connected to the two sets of arc-shaped blocks 102d, a rotating shaft 103b rotatably connected to the mounting shaft 103a, and a conveying member 103c movably connected to the rotating shaft 103b.

[0038] Furthermore, the conveying assembly 103 also includes a belt 103d movably connected to the rotating shaft 103b, a motor 103e movably connected to the belt 103d, and a connecting seat 103f fixedly connected to the motor 103e, and the connecting seat 103f is fixedly connected to one side of the bracket 101.

[0039] Among them, the motor 103e uses the belt 103d to drive the conveying member 103c to operate. When the coal block falls on the higher end of the conveying member 103c, due to gravity, when the coal block falls on the conveying member 103c, it drives the spring 102c to be pressed down, and the conveying member 103c is at one end of the spring 102c and descends.

[0040] Furthermore, the extrusion assembly 104 includes a connecting rod 104a fixedly connected to the bracket 101, the connecting rod 104a is arranged on one side of the conveying member 103c, a connecting column 104b fixedly connected to the connecting rod 104a, and a plurality of sets of rotating wheels 104c rotatably connected to the connecting column 104b.

[0041] In summary, when the coal blocks fall to one end of the conveying member 103c, the dust suppression component on the conveying member 103c is driven to operate, and the dust suppression component will spray water mist to reduce dust until the conveying member 103c drives the coal blocks to gradually leave the upper end of the spring 102c during operation, and the conveying member 103c gradually recovers until the next group of coal blocks falls, and when the conveying member 103c descends, the moving belt of the conveying member 103c contacts the extrusion component 104, so that the moving belt of the conveying member 103c protrudes slightly, and the turntable 104c on the extrusion component 104 is rotatably connected, and when it contacts the moving belt, it will not affect the normal operation of the conveying member 103c, so that the water flow is driven away from the conveying member 103c, avoiding the problem of excessive spraying and water accumulation and slipping on the moving belt of the conveying member 103c.

[0042] The remaining structures are the same as those of Example 1.

[0043] Example 3

[0044] Reference Figures 4-5 , which is the third embodiment of the present invention. Different from the previous embodiment, this embodiment provides a spray dust suppression device for the coal conveying belt 103d, which solves the problem that the traditional spray dust suppression method cannot detect and judge whether the belt 103d has dropped coal, which will cause excessive spraying and water accumulation and slipping on the belt 103d. It includes a spray assembly 201 including a baffle 201a fixedly connected to one side of the bracket 101, reserving space for the conveying member 103c to descend, a water tank 201b fixedly connected to the baffle 201a, a straight pipe 201c movably connected to the water tank 201b, and a connecting pipe 201d movably connected to the straight pipe 201c.

[0045] Furthermore, the spray assembly 201 also includes a ball 201f movably connected in the straight tube 201c. When the ball 201f is in a static position, the ball 201f seals the straight tube 201c and prevents the water in the straight tube 201c from flowing back into the water tank 201b. The water flows back into the water tank 201b. When the ball 201f is lifted, a mesh cover 201g is fixed above the ball 201f to prevent the ball 201f from running around, and a spring 201h is fixed to the mesh cover 201g.

[0046] Furthermore, the spray assembly 201 also includes a conical groove 201i arranged in the connecting tube 201d, and a round ball 201j arranged in the conical groove 201i. When the round ball 201j is stationary, it seals the connecting tube 201d and prevents external air from entering the connecting tube 201d. When the round ball 201j is lifted, water flows out of the connecting tube 201d.

[0047] Among them, when the conveying member 103c descends, it drives the connecting pipe 201d to descend, and the spring 201h is compressed, then the connecting pipe 201d pushes the liquid in the straight pipe 201c upward, and the rising water flow pushes the ball 201j away, and the water flows out of the connecting pipe 201d. When the pressure applied to the connecting pipe 201d is cancelled, the spring 201h rebounds, pushing the connecting pipe 201d to move upward. When the connecting pipe 201d moves upward, a low-pressure area appears at the junction of the straight pipe 201c and the connecting pipe 201d, and the ball 201f is sucked up, and the water flow in the water tank 201b is sucked into the connecting pipe 201d. At the same time, due to the distance of the low-pressure area, the ball 201j is sucked downward, making the connecting pipe 201d airtight, so that the low pressure generated in the connecting pipe 201d can only inhale liquid, but not external air.

[0048] Furthermore, the rotating assembly 202 includes a fixing frame 202a fixedly connected to one side of the connecting pipe 201d, a channel 202b opened on the fixing frame 202a, and a spray head 202c movably connected to the channel 202b, and the spray head 202c is rotatably connected to the fixing frame 202a.

[0049] Furthermore, the rotating assembly 202 also includes a plurality of groups of blocks fixedly connected to the spray head 202c, the blocks are in an "L" shape, and the plurality of groups of blocks are arranged in a circular array on the spray head 202c, the gaps between the ends of the plurality of groups of blocks at the top of the spray head 202c are smaller than the gaps between the tails of the plurality of groups of blocks, and the gaps between the plurality of groups of blocks are different.

[0050] Specifically, when water flows through the sprinkler head 202c, the spray distance of the water flow is also related to the pressure of the fluid. Higher water pressure can increase the water flow speed, thereby increasing the spray distance. Since the gaps between the tops of multiple groups of blocks are of different sizes, the distances of the generated water mist spraying are different. Some areas are sprayed farther to achieve a certain coverage range, while other areas are sprayed at a closer distance with a limited coverage range to avoid excessive water accumulation.

[0051] refer to Figure 6 The spray assembly is arranged at the tail of the coal conveyor belt. The spray water pipe---solenoid valve----atomizing nozzle forms a water system. The gravity sensor is arranged on the roller at the tail of the belt. The roller adopts a spring support structure to adjust the pressure value of the gravity sensor. When the coal conveyor belt is running without load, the normally open contact of the gravity sensor is disconnected and the solenoid valve coil is not energized; when fuel is carried on the coal conveyor belt, the normally open contact of the gravity sensor is connected, the solenoid valve coil is energized, and the spray assembly water system is opened to form a mist spray, which plays a role in dust suppression.

[0052] The remaining structure is the same as that of Example 2.

[0053] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0054] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0055] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A coal conveyor belt (103d) spray dust suppression device, characterized in that: include, A supporting component (100) comprises a support (101), a movable component (102) arranged on the support (101), a conveying component (103) arranged on the movable component (102), and an extrusion component (104) arranged on the support (101); The dust suppression component (200) comprises a spray assembly (201) arranged on the bracket (101), and a rotating assembly (202) arranged on the spray assembly (201).

2. The coal conveyor belt (103d) spray dust suppression device according to claim 1, characterized in that: The movable component (102) comprises two groups of cavities (102a) arranged on the bracket (101), a fixing rod (102b) arranged in the cavity (102a), a spring (102c) arranged on the fixing rod (102b), and an arc block (102d) arranged on the spring (102c).

3. The coal conveyor belt (103d) spray dust suppression device according to claim 1 or 2, characterized in that: The conveying assembly (103) comprises a mounting shaft (103a) arranged on the two groups of arc-shaped blocks (102d), a rotating shaft (103b) arranged on the mounting shaft (103a), and a conveying member (103c) arranged on the rotating shaft (103b).

4. The coal conveyor belt (103d) spray dust suppression device according to claim 3, characterized in that: The conveying assembly (103) further comprises a belt (103d) arranged on the rotating shaft (103b), a motor (103e) arranged on the belt (103d), and a connecting seat (103f) arranged on the motor (103e).

5. The coal conveyor belt (103d) spray dust suppression device according to claim 4, characterized in that: The extrusion assembly (104) comprises a connecting rod (104a) arranged on the bracket (101), a connecting column (104b) arranged on the connecting rod (104a), and a plurality of groups of rotating wheels (104c) arranged on the connecting column (104b).

6. The coal conveyor belt (103d) spray dust suppression device according to claim 4 or 5, characterized in that: The spray assembly (201) comprises a baffle (201a) arranged on one side of the bracket (101), a water tank (201b) arranged on the baffle (201a), a straight pipe (201c) arranged on the water tank (201b), and a connecting pipe (201d) arranged on the straight pipe (201c).

7. The coal conveyor belt (103d) spray dust suppression device according to claim 6, characterized in that: The spray assembly (201) further comprises a ball (201f) arranged in the straight tube (201c), a mesh cover (201g) arranged above the ball (201f), and a spring 2 (201h) arranged on the mesh cover (201g).

8. The coal conveyor belt (103d) spray dust suppression device according to claim 7, characterized in that: The spray assembly (201) further comprises a tapered groove (201i) arranged in the connecting pipe (201d), and a round ball (201j) arranged in the tapered groove (201i).

9. The coal conveyor belt (103d) spray dust suppression device according to claim 8, characterized in that: The rotating assembly (202) comprises a fixing frame (202a) arranged on one side of the connecting pipe (201d), a channel (202b) opened on the fixing frame (202a), and a spray head (202c) arranged on the channel (202b).

10. The coal conveyor belt (103d) spray dust suppression device according to claim 9, characterized in that: The rotating assembly (202) further comprises a plurality of groups of blocks arranged on the spray head (202c), and the plurality of groups of blocks are arranged in a circular array on the spray head (202c).

Images