Horizontal dust removal equipment for magnesium alloy die-casting waste gas

Abstract

The utility model belongs to the technical field of dust removal equipment, and particularly relates to magnesium alloy die-casting waste gas horizontal dust removal equipment which comprises a horizontal support, the horizontal support is provided with a filtering cavity and an air draft cavity in the length direction, the filtering cavity is sequentially provided with a front-section installation chamber, a middle installation chamber and a rear-section installation chamber, a first-stage venturi tube is arranged in the front-section installation chamber, and a second-stage venturi tube is arranged in the rear-section installation chamber. A first-stage venturi tube is arranged in the middle mounting chamber, a second-stage honeycomb filter plate and a third-stage stainless steel filter plate are arranged in the middle mounting chamber, a fourth-stage stainless steel filter cartridge is arranged in the rear-section mounting chamber, an exhaust fan is arranged in the exhaust cavity, and the exhaust fan is used for sucking magnesium alloy die-casting waste gas to sequentially pass through the first-stage venturi tube, the second-stage honeycomb filter plate, the third-stage stainless steel filter plate and the fourth-stage stainless steel filter cartridge. During installation, the horizontal type support is arranged, the integration degree is high, the occupied area is small, the horizontal type support can be flexibly connected with magnesium alloy die-casting equipment in a matched mode, the whole equipment structure is relatively simple, and the manufacturing cost is lower.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal equipment, in particular to a horizontal dust removal equipment for magnesium alloy die-casting waste gas. Background Art

[0002] Currently, during the magnesium alloy smelting process, from charging and melting to modification and refining, and static casting, flux or fire extinguishing agents must be applied at every stage to protect the magnesium liquid from oxidation. This generates a large amount of acidic waste gas. To ensure the physical and mental health of workshop workers, this waste gas must be removed from the workshop for environmentally friendly treatment. The typical treatment method is: exhaust gas from the boiler mouth → branch pipe → main pipe → induced draft fan → conventional filler spray tower → discharge. The waste gas is subjected to reverse contact with atomized alkaline liquid, neutralizing the gas before discharge. This existing dust removal equipment is arranged in an assembly line, with each process connected by pipes. This occupies a large area and has low dust removal efficiency.

[0003] For example, the Chinese utility model patent with publication number CN212262655U discloses an environmentally friendly treatment device for magnesium alloy smelting waste gas, comprising a bag filter and a main pipe arranged on one side of the bag filter, with multiple branch pipes symmetrically arranged on both sides of the main pipe, and the top of the branch pipe is rotatably connected to a movable baffle, the other side of the bag filter is connected to an induced draft fan, one side of the induced draft fan is provided with a swirl plate tower, and the bottom end of the swirl plate tower is provided with an alkali solution pool. Although this technical solution has the advantages of saving electricity and alkali solution consumption and can solve the problem of white smoke at the exhaust port, it inevitably has the problems of large floor space occupation, complex equipment structure, and high manufacturing cost. Utility Model Content

[0004] The purpose of the utility model is to provide a horizontal dust removal device for magnesium alloy die-casting waste gas, aiming to solve the technical problems of large footprint, complex equipment structure and high manufacturing cost in the existing magnesium alloy die-casting waste gas dust removal equipment.

[0005] To achieve the above-mentioned objectives, the present invention provides a horizontal dust removal device for magnesium alloy die-casting exhaust gas, comprising a horizontal bracket, wherein the horizontal bracket is divided into a filter chamber and an exhaust chamber along the length direction, the filter chamber is sequentially divided into a front section installation chamber, a middle installation chamber, and a rear section installation chamber, and a water supply chamber is further provided at the lower portion of the filter chamber, wherein the water supply chamber is located below the front section installation chamber, the middle installation chamber, and the rear section installation chamber;

[0006] A first-level venturi is provided in the front-end installation chamber, a water tank is provided in the water supply chamber, the water tank is connected to the first-level venturi to supply water, a second-level honeycomb filter plate and a third-level stainless steel filter plate are provided in the middle installation chamber, a fourth-level stainless steel filter cartridge is provided in the rear-end installation chamber, and an exhaust fan is provided in the exhaust chamber, which is used to suck the magnesium alloy die-casting exhaust gas through the first-level venturi, the second-level honeycomb filter plate, the third-level stainless steel filter plate and the fourth-level stainless steel filter cartridge in sequence.

[0007] Optionally, a pull-out installation port communicating with the intermediate installation chamber is provided on the front side of the horizontal bracket, and the secondary honeycomb filter plate and the tertiary stainless steel filter plate are both inserted into the intermediate installation cavity through the pull-out installation port.

[0008] Optionally, an automatic pulse cleaning device is further provided above the horizontal support, and the automatic pulse cleaning device includes a plurality of cleaning nozzles, and the cleaning nozzles extend into the horizontal support and are arranged facing the four-stage stainless steel filter cartridge.

[0009] Optionally, the filter chamber is further provided with a reserved installation chamber located behind the rear installation chamber, and the reserved installation chamber is used for installing an additional filter.

[0010] Optionally, the horizontal support is a square frame structure.

[0011] The above one or more technical solutions in the horizontal dust removal equipment for magnesium alloy die-casting waste gas provided by the embodiment of the present invention have at least one of the following technical effects: In the present invention, the first-level venturi, the second-level honeycomb filter plate, the third-level stainless steel filter plate and the fourth-level stainless steel filter cartridge are integrated and installed on the horizontal bracket. Under the action of the exhaust fan, the magnesium alloy die-casting waste gas connected to the present invention is sucked and discharged through the first-level venturi, the second-level honeycomb filter plate, the third-level stainless steel filter plate and the fourth-level stainless steel filter cartridge in sequence, thereby completing the purification treatment of the magnesium alloy die-casting waste gas. The installation of the entire equipment can be based on the arrangement of the horizontal bracket. It has a high degree of integration, occupies a small area, can be flexibly connected to the magnesium alloy die-casting equipment, and the overall equipment structure is relatively simple, and the manufacturing cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. 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 paying any creative labor.

[0013] Figure 1This is a schematic structural diagram of the horizontal dust removal equipment for magnesium alloy die-casting waste gas provided in an embodiment of the utility model.

[0014] Among them, the reference numerals in the figures are:

[0015] 10-Horizontal support 11-Filter chamber 12-Exhaust chamber

[0016] 20—First-level Venturi tube 30—Second-level honeycomb filter plate 40—Third-level stainless steel filter plate

[0017] 50—Four-stage stainless steel filter cartridge 60—Automatic pulse cleaning device 61—Cleaning nozzle 61

[0018] 111 - front installation room 112 - middle installation room 113 - rear installation room

[0019] 114—water supply chamber 115—reserved installation chamber 1211—pull-out installation port. DETAILED DESCRIPTION

[0020] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0023] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0024] In one embodiment of the present invention, Figure 1 As shown, a horizontal dust removal device for magnesium alloy die-casting waste gas is provided, including a horizontal bracket 10, and the horizontal bracket 10 is divided into a filter chamber 11 and an exhaust chamber 12 along the length direction, and the filter chamber 11 is sequentially divided into a front-stage installation chamber 111, an intermediate installation chamber 112 and a rear-stage installation chamber 113, the front-stage installation chamber 111 is provided with a first-level venturi tube 20, the intermediate installation chamber 112 is provided with a second-level honeycomb filter plate 30 and a third-level stainless steel filter plate 40, the rear-stage installation chamber 113 is provided with a fourth-level stainless steel filter cartridge 50, and the exhaust chamber 12 is provided with an exhaust fan (not shown in the figure), which is used to suck the magnesium alloy die-casting waste gas through the first-level venturi tube 20, the second-level honeycomb filter plate 30, the third-level stainless steel filter plate 40 and the fourth-level stainless steel filter cartridge 50 in sequence.

[0025] In the horizontal dust removal equipment for magnesium alloy die-casting waste gas provided by the embodiment of the present invention, a first-level venturi tube 20, a second-level honeycomb filter plate 30, a third-level stainless steel filter plate 40, and a fourth-level stainless steel filter cartridge 50 are integrated and installed on a horizontal bracket 10. Under the action of the exhaust fan, the magnesium alloy die-casting waste gas connected to the present invention is sucked and discharged sequentially through the first-level venturi tube 20, the second-level honeycomb filter plate 30, the third-level stainless steel filter plate 40, and the fourth-level stainless steel filter cartridge 50, thereby completing the purification treatment of the magnesium alloy die-casting waste gas. The installation of the entire equipment is based on the arrangement of the horizontal bracket 10. It has a high degree of integration, occupies a small area, can be very flexibly connected to the magnesium alloy die-casting equipment, and has a relatively simple overall equipment structure and a lower manufacturing cost.

[0026] Furthermore, in the present invention, a primary venturi 20 is provided to extinguish sparks mixed in magnesium alloy die-casting exhaust gas and to achieve water washing. A secondary honeycomb filter plate 30 and a tertiary stainless steel filter plate 40 are used to filter and dehydrate the washed exhaust gas. Finally, the exhaust gas passes through a stainless steel filter cartridge for fine filtration, filtering out particulate matter larger than 8μm. It should be noted that the structures of the primary venturi 20, secondary honeycomb filter plate 30, tertiary stainless steel filter plate 40, and quaternary stainless steel filter cartridge 50 are all existing technologies, and their construction and principles will not be described in detail here.

[0027] In one embodiment of the present invention, Figure 1 As shown, the front side of the horizontal bracket 10 is provided with a pull-out installation port 1211 that is connected to the intermediate installation chamber 112. The secondary honeycomb filter plate 30 and the tertiary stainless steel filter plate 40 are both inserted into the intermediate installation chamber through the pull-out installation port 1211. Specifically, the provision of the pull-out installation port 1211 allows for the convenient installation of the secondary honeycomb filter plate 30 and the tertiary stainless steel filter plate 40 located in the middle position. It also facilitates the inspection and maintenance of the secondary honeycomb filter plate 30 and the tertiary stainless steel filter plate 40 during later use. The pull-out installation method can achieve the installation of the secondary honeycomb filter plate 30 and the tertiary stainless steel filter plate 40, which is flexible and practical.

[0028] In one embodiment of the present invention, Figure 1 As shown, an automatic pulse cleaning device 60 is further provided above the horizontal support 10. The automatic pulse cleaning device 60 includes a plurality of cleaning nozzles 61. The cleaning nozzles 61 extend into the horizontal support 10 and are positioned directly opposite the four-stage stainless steel filter cartridge 50. Specifically, after a period of use, a large amount of dust will accumulate in the four-stage stainless steel filter cartridge 50 of the present invention. The additional automatic pulse cleaning device 60 can be used to perform pulse cleaning on the four-stage stainless steel filter cartridge 50, thereby removing the dust accumulated in the stainless steel filter cartridge. In this way, regular cleaning can ensure consistent use of the present invention.

[0029] In one embodiment of the present invention, Figure 1 As shown, the filter chamber 11 is further provided with a reserved installation chamber 115 located behind the rear installation chamber 113. This reserved installation chamber 115 is used to install an additional filter. The present invention further reserves a reserved installation chamber 115 in the bedroom bracket closest to the exhaust fan. This reserved installation chamber 115 can accommodate an additional filter, further achieving a fifth level of filtration for exhaust gas, thereby meeting pre-set emission standards. The additional filter can be a filter plate.

[0030] In one embodiment of the present invention, Figure 1As shown, a water supply chamber 114 is further provided at the lower portion of the filter chamber 11, and the water supply chamber 114 is located below the front section installation chamber 111, the middle section installation chamber 112, and the rear section installation chamber 113. The provision of the water supply chamber 114 enables the installation and support of the primary venturi 20, the secondary honeycomb filter plate 30, the tertiary stainless steel filter plate 40, and the quaternary stainless steel filter cartridge 50 to be at a higher position. A water tank (not shown) is provided in the water supply chamber 114, and the water tank is connected to the primary venturi 20 to supply water. In this way, spark extinguishing and water cleaning can be achieved in the magnesium alloy die-casting exhaust gas through the primary venturi 20.

[0031] In one embodiment of the present invention, Figure 1 As shown, the horizontal support 10 is a square frame structure. The overall regular shape of the square frame structure is conducive to its layout in factories and other places. At the same time, the chambers inside it can also be reasonably arranged to achieve the best position for the arrangement of each filter device, thereby improving the versatility of the dust removal equipment.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A horizontal dust removal device for magnesium alloy die-casting waste gas, characterized by: The horizontal support comprises a filter chamber and an exhaust chamber along the length direction, the filter chamber is sequentially divided into a front section installation chamber, a middle section installation chamber and a rear section installation chamber, and a water supply chamber is further provided at the lower part of the filter chamber, and the water supply chamber is located below the front section installation chamber, the middle section installation chamber and the rear section installation chamber; A first-level venturi is provided in the front-end installation chamber, a water tank is provided in the water supply chamber, the water tank is connected to the first-level venturi to supply water, a second-level honeycomb filter plate and a third-level stainless steel filter plate are provided in the middle installation chamber, a fourth-level stainless steel filter cartridge is provided in the rear-end installation chamber, and an exhaust fan is provided in the exhaust chamber, which is used to suck the magnesium alloy die-casting exhaust gas through the first-level venturi, the second-level honeycomb filter plate, the third-level stainless steel filter plate and the fourth-level stainless steel filter cartridge in sequence.

2. The horizontal dust removal equipment for magnesium alloy die-casting waste gas according to claim 1, characterized in that: The front side of the horizontal bracket is provided with a pull-out installation port connected to the intermediate installation chamber, and the secondary honeycomb filter plate and the tertiary stainless steel filter plate are both inserted into the intermediate installation chamber through the pull-out installation port.

3. The horizontal dust removal equipment for magnesium alloy die-casting exhaust gas according to claim 1, characterized in that: An automatic pulse cleaning device is also provided above the horizontal support. The automatic pulse cleaning device includes a plurality of cleaning nozzles. The cleaning nozzles extend into the horizontal support and are provided facing the four-stage stainless steel filter cartridge.

4. The horizontal dust removal equipment for magnesium alloy die-casting exhaust gas according to claim 1, characterized in that: The filter chamber is further provided with a reserved installation chamber located behind the rear installation chamber, and the reserved installation chamber is used for installing an additional filter.

5. The horizontal dust removal equipment for magnesium alloy die-casting waste gas according to claim 1, characterized in that: The horizontal support is a square frame structure.

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