Open-air cutting dust removal system

Abstract

The invention relates to the field of environmental protection facilities, in particular to an open-air cutting dust removal system which mainly comprises a dust collection chamber provided with an assembly used for wrapping cutting equipment and a cutting piece. The dust settling chamber is connected with the dust collecting chamber, a plurality of conical dust falling openings are formed in the bottom of the dust settling chamber, a heating baffle plate and a high-pressure dry-wet atomization machine are arranged in the dust settling chamber, the heating baffle plate is used for adhering dust, and the dust is dried and falls off after being heated by a heating element; and the high-pressure dry-wet atomization machine is used for spraying dust in the dust settling chamber, and the dust and water mist are bonded with each other and then fall into the conical dust falling opening in the bottom of the dust settling chamber. Dust generated by open-air cutting is collected in a centralized mode, the dust is removed in a centralized mode in an atomization spraying and turbulent flow settling and gathering mode, and the purpose of purifying the cutting site environment is achieved.

Description

Technical Field

[0001] The invention relates to the field of environmental protection facilities, and in particular to an open-air cutting dust removal system. Background Art

[0002] During the production process, when large workpieces such as retired fan blades are cut in the open air, dust will be generated in many links. Especially in dry air and wind, dust that is not effectively collected will spread wantonly, seriously polluting the environment of the production area and posing a major threat to the health of production personnel.

[0003] The simple fog cannon and local spraying dust reduction methods currently used in open-air operations have obvious limitations. Although these methods can reduce dust concentration to a certain extent, they will cause water mist to permeate the construction space, which not only affects the air quality, but may also pollute the equipment and cause a huge waste of water resources. Therefore, it is urgent to develop a dust removal device for open-air cutting scenes. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and disposal methods, and to provide an open-air cutting dust removal system, which collects the dust generated by open-air cutting in a centralized manner, and uses atomization spraying and turbulent flow sedimentation to centrally remove the dust, thereby achieving the purpose of purifying the cutting site environment.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An open-air cutting dust removal system, comprising:

[0007] A dust collection chamber having components for enclosing the cutting device and the cut pieces;

[0008] A dust removal chamber connected to the dust collecting chamber, a plurality of conical dust dropping openings are arranged at the bottom of the dust removal chamber, a heating baffle and a high-pressure dry-wet atomizer are arranged in the dust removal chamber, the heating baffle is used to adhere to the dust and dry the dust after being heated by the heating element, and the dust falls to the conical dust dropping opening at the bottom of the dust removal chamber, the high-pressure dry-wet atomizer is used to spray the dust in the dust removal chamber, and the dust and the water mist are bonded to each other and fall to the conical dust dropping opening at the bottom of the dust removal chamber;

[0009] An ash discharge spiral and a dust bin, which are used to receive the dust falling from the conical ash discharge port and transport it to the dust bin;

[0010] A dust removal fan and a chimney are used to discharge the purified air in the dust removal chamber.

[0011] As a preferred technical solution of the present invention, the dust collecting chamber includes: a rolling door, a connecting rod mechanism, a driving device, a tarpaulin, a master-slave frame and a pulley, wherein the master-slave frame is arranged in multiple intervals, and the multiple master-slave frames are connected in series through a connecting rod mechanism, one end of the connecting rod mechanism is fixedly connected to the rolling door, and the other end of the connecting rod mechanism is fixedly connected to a fixed object, the driving device is used to drive the connecting rod mechanism to move, the tarpaulin is mounted on the multiple master-slave frames, and pulleys are provided at the bottom of the master-slave frames and the rolling door.

[0012] As a preferred technical solution of the present invention, the dust reduction chamber includes a dust reduction chamber shell, and the shell of the dust reduction chamber is a rectangular parallelepiped; the inner wall of the dust reduction chamber is smooth and has no burrs; the dust reduction chamber is divided into a plurality of cabins connected up and down by a heating baffle; a plurality of conical ash discharge ports are arranged at the corresponding cabins at the bottom of the dust reduction chamber, and an automatic ash discharge flap is arranged on the conical ash discharge port.

[0013] As a preferred technical solution of the present invention, the heating baffle includes a metal baffle, a heating element and a controller, wherein the controller is arranged outside the dust reduction chamber, the heating element is arranged inside the metal baffle, and the heating baffle is arranged inside the dust reduction chamber in an alternating and equidistant arrangement; the controller controls the switch of the heating element inside the metal baffle; the controller and the heating element are controlled by PLC logic interlocking to dry and remove surface dust adhering to the metal baffle.

[0014] As a preferred technical solution of the present invention, the high-pressure dry-wet atomizer includes a screw air compressor, an atomizer, an air-water distributor, a rotary sprayer, an air-water connecting pipeline and an automatic control system; wherein, one end of the air-water distributor is connected to the atomizer, and the other end is connected to the rotary sprayer; the atomizer, the air-water distributor and the rotary sprayer are connected through an air-water connecting pipeline; the rotary sprayer is arranged at the top of the dust reduction chamber, and the rotary sprayers are arranged equidistantly on the air-water pipeline; the rotary sprayer receives the gas and water delivered by the atomizer and the air-water distributor, and converts them into water mist through the automatic control system and sprays them into the dust-containing airflow.

[0015] As a preferred technical solution of the present invention, a compressed air source and a water supply source are respectively connected to the atomizer; the compressed air source is provided by an air compressor, and the water source is provided by a pump water pipe; the components and automatic control system of the high-pressure dry and wet atomizer except the rotary sprayer are arranged outside the dust reduction chamber; the automatic control system is respectively connected to the atomizer, air-water distributor and rotary sprayer in the high-pressure dry and wet atomizer.

[0016] As a preferred technical solution of the present invention, it also includes an oscillating air cannon arranged at the conical ash outlet.

[0017] As a preferred technical solution of the present invention, it also includes a dust concentration detector arranged in the dust collecting chamber. The dust concentration detector and the high-pressure dry and wet atomizer are controlled through PLC logic interlocking to achieve automatic adjustment of the water mist spray amount.

[0018] As a preferred technical solution of the present invention, the high-pressure dry-wet atomizer uses PLC logic interlocking control to transport compressed air and water sources to the air-water distributor through the air circuit and water circuit at set air pressure and air flow, water pressure and water flow, respectively, to achieve automatic adjustment of air and water injection amounts.

[0019] As a preferred technical solution of the present invention, the dust reduction chamber and the dust bin are also provided with inspection ports.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) Compared with traditional dust removal equipment, the retractable and movable dust hood design adopted by the present invention can significantly improve the problem of disorderly dust diffusion. The dust hood can be flexibly adjusted in length and arranged in position according to the current cutting operation requirements, thereby significantly improving the adaptability and efficiency in the cutting operation scene.

[0022] (2) Compared with traditional dust removal equipment, the present invention greatly facilitates the centralized management and rapid collection of dust by introducing a dust removal chamber for dust removal. The heating baffle technology is used inside the dust removal chamber, which not only prolongs the flow of airflow, but also effectively dries and removes dust adhering to the surface of the metal baffle through the heating mechanism, thus realizing the self-cleaning function of the surface.

[0023] (3) Compared with traditional dust removal equipment, the present invention adopts a high-pressure dry-wet atomizer for dust reduction treatment, which can atomize water into a dry fog state with a diameter of less than 10 μm, greatly reducing the waste of water resources. At the same time, it has a lower cost of use and achieves the goal of energy saving and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 is a system schematic diagram of an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the structure of a dust collecting hood according to an embodiment of the present invention;

[0027] Figure 3A schematic diagram of the structure of a heating baffle according to an embodiment of the present invention;

[0028] The meanings of the reference numerals in the figure are as follows: 1. dust hood; 101. rolling shutter door; 102. connecting rod mechanism; 103. driving device; 104. tarpaulin; 105. master-slave frame; 106. pulley; 2. dust concentration detector; 3. dust reduction chamber; 4. heating baffle; 401. controller; 402. heating components; 403. metal baffle; 5. oscillating air cannon; 6. ash drop port; 7. ash discharge spiral; 8. dust storage bin; 9. wet atomizer; 901. rotary nozzle; 902. air-water connecting pipeline; 903. air-water distributor; 904. atomizer; 905. automatic control system; 906. air compressor; 907. pump water pipe; 10. dust removal fan; 11. pipeline; 12. chimney. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] Example:

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of the embodiments of the present invention are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly defined. In addition, unless otherwise clearly defined and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] See also Figures 1 to 3 The present embodiment provides an open-air cutting dust removal system, which includes a dust collecting chamber 1, a dust concentration meter 2, a dust reduction chamber 3, an ash discharge spiral 7, a dust removal fan 10 and a chimney 12; the dust collecting chamber 1, the dust reduction chamber 2, the dust removal fan 10 and the chimney 12 are connected in sequence.

[0034] The structure of the dust collecting chamber 1 is mainly composed of a rolling door 101, a connecting rod mechanism 102, a driving device 103, a tarpaulin 104, a master-slave frame 105 and a pulley 106; the master-slave frame 105 is arranged at intervals, and the multiple master-slave frames 105 are connected in series through the connecting rod mechanism 102, one end of the connecting rod mechanism 102 is fixedly connected to the rolling door 101, and the other end of the connecting rod mechanism 102 is fixedly connected to a fixed object, the driving device 103 is used to drive the connecting rod mechanism 102 to move, the tarpaulin 104 is sleeved on the multiple master-slave frames 105, and the master-slave frames 105 and the bottom of the rolling door 101 are provided with a pulley 106. The dust collecting chamber 1 is composed of a multi-section frame structure combined with an "X"-shaped scissor pull rod; the dust collecting chamber 1 realizes deformation operations such as telescopic, folding, and sliding through its mechanical structure; the dust collecting chamber 1 is used to wrap the cutting equipment and cutting parts and collect dust during the cutting process.

[0035] The dust reduction chamber 3 includes a dust reduction chamber shell, a heating baffle 4, a high-pressure dry and wet atomizer 9 and an oscillating air cannon 5; the dust reduction chamber 3 shell is a rectangular parallelepiped; a plurality of conical ash outlets 6 are arranged at the bottom of the dust reduction chamber 3 corresponding to the cabin; the conical ash outlets 6 are provided with automatic ash unloading flaps.

[0036] The heating baffle 4 includes a metal baffle 403, a heating element 402 and a controller 401; the controller 401 and the heating element 402 are respectively arranged outside the dust reduction chamber and inside the metal baffle 403, and the heating baffle 4 is arranged inside the dust reduction chamber 3 in an alternating and equidistant arrangement up and down; the controller 401 controls the switch of the heating element 402 inside the metal baffle 403; the controller 401 and the heating element 402 are interlockedly controlled to dry and remove the surface dust adhering to the metal baffle; the function of the metal baffle 403 is to adjust the direction of the airflow and increase the disturbance degree of the airflow, thereby prolonging the contact and collision time between the water mist and the dust.

[0037] The high-pressure dry-wet atomizer 9 includes a screw air compressor 906, an atomizer 904, an air-water distributor 903, a rotary sprayer 901, an air-water connecting pipeline 902 and an automatic control system 905; one end of the air-water distributor 903 is connected to the atomizer 904, and the other end is connected to the rotary sprayer 901; the atomizer 904, the air-water distributor 903 and the rotary sprayer 901 are connected via an air-water connecting pipeline 902; the air-water pipeline 902 connected to the rotary sprayer 901 is provided with At the top of the dust reduction chamber 3, rotary sprayers 901 are arranged equidistantly on the air and water pipeline; the rotary sprayers 901 receive the air and water delivered by the atomizer 904 and the air and water distributor 903, and convert them into water mist with particle diameters of more than 10 μm and less than 10 μm through the automatic control system 905, which are sprayed into the dust-containing air flow. When the water mist contacts and collides with the dust particles, the dust particles will stick to each other and condense into larger particles, and then gradually settle under the influence of gravity, thereby achieving a dust removal effect.

[0038] The compressed air source and the water source are respectively connected to the atomizer 904; the compressed air source is provided by the air compressor 906, and the water source is provided by the pump water pipe 907; the various components of the high-pressure dry-wet atomizer 9 and the automatic control system 905 are arranged outside the dust reduction chamber 3; the automatic control system 905 is respectively connected to the atomizer 904, the air-water distributor 903 and the rotary sprayer 901 and other equipment in the high-pressure dry-wet atomizer 9.

[0039] The oscillating air cannon 5 is arranged on the side of the conical dust removal port of the dust reduction chamber; the oscillating air cannon 5 is composed of a differential pressure device and a quick exhaust valve with automatic control function; the function of the oscillating air cannon 5 is to convert air pressure energy into airflow kinetic energy, generating a strong impact force to achieve rapid removal of dust adhering to the surface of the equipment.

[0040] The dust concentration detector 2 is installed in the dust collecting room and is responsible for real-time monitoring of dust concentration. The dust concentration detector 2 and the high-pressure dry-wet atomizer 9 are controlled through PLC logic interlocking to achieve automatic adjustment of the water mist spraying amount.

[0041] The high-pressure dry-wet atomizer 9 can automatically adjust the spray volume of the rotary sprayer 901 according to the dust concentration in the airflow; the high-pressure dry-wet atomizer 9 is controlled by PLC logic interlocking to deliver compressed air and water to the air-water distributor at a preset air pressure and air flow, water pressure and water flow, thereby realizing automatic adjustment of the air and water spray volume.

[0042] The inner wall of the dust removal chamber 3 is smooth and free of burrs; the dust removal chamber 3 is divided into a plurality of upper and lower connected chambers by a heating baffle plate 4; the heating baffle plate 4 can realize automatic temperature control and adjustment according to the amount of dust adhesion on the plate surface.

[0043] The feed port of the ash discharge spiral 7 is connected to a plurality of conical ash discharge ports 6 at the bottom of the dust removal chamber 3 to transport the dust in the dust removal chamber 3 to a closed dust bin.

[0044] The dust reduction chamber 3 and the dust storage bin 8 are also provided with inspection openings.

[0045] The chimney is also provided with a dust concentration detector.

[0046] The dust removal fan 10 and the chimney 12 are used to discharge the purified air in the dust removal chamber 3 .

[0047] As a preferred implementation mode: the cutting equipment and cutting parts are placed in the dust collecting hood. During the cutting process, dust enters the dust reduction chamber. The high-pressure dry-wet atomizer sprays the dust in the dust reduction chamber through a rotary sprayer. The dust and water mist contact and adhere to each other. After passing through multiple upper and lower connected chambers in the dust reduction chamber, the dust falls to the conical ash outlets at the bottom of each chamber in a graded manner. The dust adhered to the heating baffle is heated by the heating element to dry and fall off, and falls to the conical ash outlets at the bottom of each chamber. Finally, the dust is shaken off by the oscillating air cannon at the conical ash outlet and transported to the dust storage bin by the ash outlet spiral. The purified air is discharged through the dust removal fan and chimney.

[0048] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0049] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0051] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable ordinary technicians in the field to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made based on the essence of the content of the present invention should be included in the protection scope of the present invention.

Claims

1. An open-air cutting dust removal system, characterized in that: include: A dust collection chamber having components for enclosing the cutting device and the cut pieces; A dust removal chamber connected to the dust collecting chamber, a plurality of conical dust dropping openings are arranged at the bottom of the dust removal chamber, a heating baffle and a high-pressure dry-wet atomizer are arranged in the dust removal chamber, the heating baffle is used to adhere to the dust and dry the dust after being heated by the heating element, and the dust falls to the conical dust dropping opening at the bottom of the dust removal chamber, the high-pressure dry-wet atomizer is used to spray the dust in the dust removal chamber, and the dust and the water mist are bonded to each other and fall to the conical dust dropping opening at the bottom of the dust removal chamber; An ash discharge spiral and a dust bin, which are used to receive the dust falling from the conical ash discharge port and transport it to the dust bin; A dust removal fan and a chimney are used to discharge the purified air in the dust removal chamber.

2. The open-air cutting dust removal system according to claim 1, characterized in that: The dust collecting chamber comprises: a rolling door, a connecting rod mechanism, a driving device, a tarpaulin, a master-slave frame and a pulley, wherein the master-slave frame is arranged in plurality at intervals, and the plurality of master-slave frames are connected in series through a connecting rod mechanism, one end of the connecting rod mechanism is fixedly connected to the rolling door, and the other end of the connecting rod mechanism is fixedly connected to a fixed object, the driving device is used to drive the connecting rod mechanism to move, the tarpaulin is sleeved on the plurality of master-slave frames, and pulleys are provided at the bottom of the master-slave frames and the rolling door.

3. The open-air cutting dust removal system according to claim 1, characterized in that: The dust reduction chamber includes a dust reduction chamber shell, which is a rectangular parallelepiped; the inner wall of the dust reduction chamber is smooth and has no burrs; the dust reduction chamber is divided into a plurality of upper and lower connected chambers by a heating baffle; a plurality of conical ash discharge ports are arranged at the bottom of the dust reduction chamber corresponding to the chambers, and an automatic ash discharge flap is arranged on the conical ash discharge port.

4. The open-air cutting dust removal system according to claim 1, characterized in that: The heating baffle includes a metal baffle, a heating element and a controller, wherein the controller is arranged outside the dust reduction chamber, the heating element is arranged inside the metal baffle, and the heating baffle is arranged inside the dust reduction chamber in an alternating and equidistant arrangement up and down; the controller controls the switch of the heating element inside the metal baffle; the controller and the heating element are controlled by PLC logic interlocking to dry and remove surface dust adhering to the metal baffle.

5. The open-air cutting dust removal system according to claim 1, characterized in that: The high-pressure dry-wet atomizer includes a screw air compressor, an atomizer, an air-water distributor, a rotary sprayer, an air-water connecting pipeline and an automatic control system; wherein, one end of the air-water distributor is connected to the atomizer, and the other end is connected to the rotary sprayer; the atomizer, the air-water distributor and the rotary sprayer are connected via an air-water connecting pipeline; the rotary sprayer is arranged at the top of the dust reduction chamber, and the rotary sprayers are arranged equidistantly on the air-water pipeline; the rotary sprayer receives the gas and water delivered by the atomizer and the air-water distributor, and converts them into water mist through the automatic control system and sprays them into the dust-containing air flow.

6. The open-air cutting dust removal system according to claim 5, characterized in that: A compressed air source and a water source are respectively connected to the atomizer; the compressed air source is provided by an air compressor, and the water source is provided by a pump water pipe; the components and automatic control system of the high-pressure dry-wet atomizer except the rotary sprayer are arranged outside the dust reduction chamber; the automatic control system is respectively connected to the atomizer, air-water distributor and rotary sprayer in the high-pressure dry-wet atomizer.

7. The open-air cutting dust removal system according to claim 1, characterized in that: It also includes an oscillating air cannon arranged at the conical ash outlet.

8. The open-air cutting dust removal system according to claim 1, characterized in that: It also includes a dust concentration detector arranged in the dust collecting chamber. The dust concentration detector and the high-pressure dry and wet atomizer are controlled through PLC logic interlocking to achieve automatic adjustment of the water mist spray amount.

9. The open-air cutting dust removal system according to claim 6, characterized in that: The high-pressure dry-wet atomizer uses PLC logic interlocking control to transport compressed air and water sources to the air-water distributor through the air circuit and water circuit at set air pressure and air flow rate, water pressure and water flow rate, respectively, to achieve automatic adjustment of air and water spraying amounts.

10. The open-air cutting dust removal system according to any one of claims 1 to 9, characterized in that: The dust reduction chamber and the dust bin are also provided with inspection ports.

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