Vertical dust removal equipment for aluminum alloy die-casting waste gas

Abstract

The utility model belongs to the technical field of dust removal equipment, and particularly relates to aluminum alloy die-casting waste gas vertical dust removal equipment which comprises a vertical support which is provided with an air draft cavity, a filtering cavity and a water supply cavity from top to bottom in the height direction. Four-stage fiber filter cotton, a three-stage stainless steel filter plate and a two-stage stainless steel filter cartridge are sequentially arranged on the filter cavity from top to bottom, a first-stage venturi filter pipe is arranged outside the vertical support, the first-stage venturi filter pipe is communicated to the lower side of the two-stage stainless steel filter cartridge in the filter cavity through a pipeline, and a water tank is arranged in the water supply cavity. The water tank is communicated with the primary venturi filter pipe and supplies a water source; an exhaust fan is arranged in the exhaust cavity and used for sucking aluminum alloy die-casting waste gas to sequentially pass through the first-stage venturi filter pipe, the second-stage stainless steel filter cylinder, the third-stage stainless steel filter plate and the fourth-stage fiber filter cotton. The device is high in integration degree, small in occupied area, simple in structure and low in manufacturing cost, and can be flexibly matched and connected with aluminum alloy die-casting equipment.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dust removal equipment technical field especially relates to a vertical dust removal equipment for aluminum alloy die casting waste gas. BACKGROUND

[0002] Aluminum and aluminum alloy are one of the most economical and applicable materials with very wide application at present. In the processing of aluminum products, the furnace is a device for removing impurities and improving the purity of aluminum. Since a large amount of waste gas is generated during the use of the furnace on the aluminum alloy production line for recycling waste materials, the waste gas will produce a large amount of PM2.5 and toxic gas if it is not purified and discharged to the outside, which will cause unnecessary harm to the human body and the atmosphere, and may increase the effect of greenhouse effect.

[0003] The utility model discloses a kind of traditional gas filter devices for aluminum alloy production furnace, including substrate, substrate top fixed installation has machine case, the front of machine case is inserted with the collection box extending into machine case, air inlet pipe is fixedly installed on the left side of machine case and above collection box, the inner wall left side of machine case and above air inlet pipe is fixedly installed with first filter screen, water storage tank is fixedly installed on the top of machine case, the inner wall bottom of water storage tank is fixedly installed with circulation pipe, which is penetrated and extends into machine case, water pump is fixedly installed on the top of machine case and right side of water storage tank, filter cartridge is fixedly installed on the top of substrate and right side of machine case. The gas filter device for aluminum alloy production furnace, waste gas is divided by shunt pipe and the contact area of waste gas and adsorption medicine water is increased, so that waste gas is fully reacted with adsorption medicine water, and filtration purification is realized. However, the existing filter device has large floor area, complex equipment structure, high manufacturing cost, and the filtering effect needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of vertical dust removal equipment for aluminum alloy die casting waste gas, to solve the technical problem that the device for filtering aluminum alloy waste gas in prior art has large floor area, complex equipment structure, high manufacturing cost, and poor filtering effect.

[0005] To achieve the above object, the utility model discloses a kind of vertical dust removal equipment of aluminium alloy die-casting exhaust, including vertical support, the vertical support is from top to bottom along height direction and is provided with suction chamber, filter chamber and water supply chamber, four-stage fibre filter cotton, three-stage stainless steel filter plate and two-stage stainless steel filter cylinder are sequentially arranged on the filter chamber from top to bottom, the outside of the vertical support is provided with a first stage venturi filter tube, the first stage venturi filter tube is communicated to the lower side of the two-stage stainless steel filter cylinder in the filter chamber by pipeline, water tank is provided in the water supply chamber, and the water tank is communicated with the first stage venturi filter tube and supplies water source;Suction fan is provided in the suction chamber, and the suction fan is used to suck aluminium alloy die-casting exhaust sequentially through the first stage venturi filter tube, the two-stage stainless steel filter cylinder, the three-stage stainless steel filter plate and the four-stage fibre filter cotton.

[0006] Optionally, the upper side of the first stage venturi filter tube is connected with a gas collecting bucket, and the gas collecting bucket is connected with a machine edge furnace exhaust gas inlet butterfly valve and a die-casting machine exhaust gas inlet butterfly valve side by side.

[0007] Optionally, the front side of the vertical support is provided with a first access hole and a second access hole respectively communicated with the suction chamber and the filter chamber, a first sealing plate is installed at the first access hole, and a second sealing plate is installed at the second access hole.

[0008] Optionally, the rear side of the vertical support is further provided with an automatic pulse dust cleaning device, and the automatic pulse dust cleaning device comprises a plurality of dust cleaning nozzles, the dust cleaning nozzles extend into the vertical support and are arranged opposite to the two-stage stainless steel filter cylinder.

[0009] Optionally, the vertical support is a square frame structure.

[0010] The aluminium alloy die-casting exhaust vertical dust removal equipment provided by the utility model embodiment has one or more of the above technical solutions, and has at least one of the following technical effects: in the utility model, the first stage venturi filter tube, the two-stage stainless steel filter plate, the three-stage stainless steel filter cylinder and the four-stage fibre filter cotton are integrated and installed on the vertical support, and under the action of the suction fan, the aluminium alloy die-casting exhaust discharged in conjunction with the utility model is sequentially sucked through the first stage venturi filter tube, the two-stage stainless steel filter plate, the three-stage stainless steel filter cylinder and the four-stage fibre filter cotton, so that the purification treatment of the aluminium alloy die-casting exhaust is completed. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0012] Fig. 1 The structural schematic diagram of the vertical dust removal equipment for aluminum alloy die casting exhaust gas provided by the embodiment of the present application is shown.

[0013] Fig. 2 The structural exploded schematic diagram of the vertical dust removal equipment for aluminum alloy die casting exhaust gas provided by the embodiment of the present application is shown.

[0014] In the drawings, various reference signs represent:

[0015] 10 - vertical support 11 - air extraction cavity

[0016] 12 - filter cavity 13 - water supply cavity

[0017] 20 - four-stage fiber filter cotton 30 - three-stage stainless steel filter plate

[0018] 40 - two-stage stainless steel filter cylinder 50 - one-stage venturi filter pipe

[0019] 60 - air extractor 70 - water tank

[0020] 80 - pipeline 90 - air receiving hopper

[0021] 100 - machine side furnace exhaust gas inlet butterfly valve 110 - die casting machine exhaust gas inlet butterfly valve

[0022] 111 - first maintenance opening 112 - first packaging plate

[0023] 121 - second maintenance opening 122 - second packaging plate DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0025] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed in a specific direction and be operated, and therefore cannot be understood as limiting the utility model.

[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0027] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0028] In one embodiment of the utility model, as shown in Figs. 1-2 A vertical dust removal equipment for aluminum alloy die casting exhaust gas is provided, which comprises a vertical support 10, an exhaust cavity 11, a filter cavity 12 and a water supply cavity 13 are arranged from top to bottom along the height direction of the vertical support 10, four-stage fiber filter cotton 20, three-stage stainless steel filter plate 30 and two-stage stainless steel filter cylinder 40 are sequentially arranged from top to bottom on the filter cavity 12, a first-stage venturi filter pipe 50 is arranged outside the vertical support 10, the first-stage venturi filter pipe 50 is communicated to the lower side of the two-stage stainless steel filter cylinder 40 in the filter cavity 12 through a pipeline 80, a water tank 70 is arranged in the water supply cavity 13, the water tank 70 is communicated with the first-stage venturi filter pipe 50 and supplies water source; an exhaust fan 60 is arranged in the exhaust cavity 11, the exhaust fan 60 is used for sucking aluminum alloy die casting exhaust gas to sequentially pass through the first-stage venturi filter pipe 50, the two-stage stainless steel filter cylinder 40, the three-stage stainless steel filter plate 30 and the four-stage fiber filter cotton 20.

[0029] The aluminium alloy die-casting waste gas vertical dust removal equipment of the utility model, under the action of the exhaust fan 60, the aluminium alloy die-casting waste gas exhausted in connection with the utility model is sucked and sequentially passes through the first-stage venturi filter pipe 50, the second-stage stainless steel filter plate, the third-stage stainless steel filter cylinder and the fourth-stage fiber filter cotton 20, in this way, the purification treatment of the aluminium alloy die-casting waste gas is completed. The installation of the whole equipment can be based on the arrangement of the vertical support 10, it has high integration degree, small floor space, can be very flexible to cooperate with the aluminium alloy die-casting equipment connection, the whole equipment structure is relatively simple, the manufacturing cost is more low.

[0030] Further, in the utility model, the first-stage venturi filter pipe 50 is used for extinguishing the mixed sparks in the aluminium alloy die-casting waste gas and realizing water cleaning, the second-stage stainless steel filter plate is used for filtering and dehydrating the water-washed waste gas, and the third-stage stainless steel filter cylinder is used for realizing fine filtering, filtering particulate matter above 8 μm, and finally realizing fine filtering through the fourth-stage fiber filter cotton 20, improving the filtering precision and reaching the indoor emission standard.

[0031] It should be noted that the first-stage venturi filter pipe 50, the second-stage stainless steel filter plate, the third-stage stainless steel filter cylinder and the fourth-stage fiber filter cotton 20 have the prior art structure, and the structure and principle are not described in detail here.

[0032] In one embodiment of the utility model, as shown in Figs. 1-2 The upper portion of the first-stage venturi filter pipe 50 is connected with a gas receiving hopper 90, and the gas receiving hopper 90 is connected in parallel with a machine-side furnace waste gas inlet butterfly valve 100 and a die-casting machine waste gas inlet butterfly valve 110. Specifically, the machine-side furnace waste gas inlet butterfly valve 100 and the die-casting machine waste gas inlet butterfly valve 110 are respectively used for connecting the machine-side furnace waste gas inlet butterfly valve 100 and the die-casting machine waste gas inlet butterfly valve 110, so that the machine-side furnace waste gas and the die-casting machine waste gas can be introduced into the gas receiving hopper 90, and then sequentially pass through the four-stage filtering of the first-stage venturi filter pipe 50, the second-stage stainless steel filter plate, the third-stage stainless steel filter cylinder and the fourth-stage fiber filter cotton 20 under the action of the exhaust fan 60, realizing indoor emission.

[0033] In one embodiment of the utility model, as shown in Figs. 1-2As shown, the front side of the vertical support 10 is provided with a first access hole 111 and a second access hole 121 which respectively communicate with the air extraction cavity 11 and the filter cavity 12, the first access hole 111 is provided with a first packaging plate 112, and the second access hole 121 is provided with a second packaging plate 122. Specifically, the first packaging plate 112 and the second packaging plate 122 are convenient to disassemble, so that the devices arranged in the air extraction cavity 11 and the filter cavity 12 can be respectively maintained through the first access hole 111 and the second access hole 121, that is, the air extractor 60, the secondary stainless steel filter plate, the tertiary stainless steel filter cylinder and the quaternary fiber filter cotton 20 can be conveniently maintained and replaced, and the structural design is more reasonable and practical.

[0034] In an embodiment of the utility model, the rear side of vertical support 10 still be provided with automatic pulse dust cleaning device (not shown in the figure), automatic pulse dust cleaning device include many dust cleaning spray pipes, dust cleaning spray pipe stretches into vertical support 10 and is opposite secondary stainless steel filter cylinder 40 setting. Specifically, the dust removal equipment of the utility model is used after a period of time, a large amount of dust will accumulate in the secondary stainless steel filter cylinder 40, and the automatic pulse dust cleaning device can be used to pulse clean the accumulated dust in the secondary stainless steel filter cylinder 40, so that the accumulated dust in the secondary stainless steel filter cylinder 40 can be removed, and regular cleaning can ensure that the use effect of the utility model is always the same.

[0035] In an embodiment of the utility model, as shown in Figs. 1-2 The vertical support 10 is a square frame structure. The square frame structure has a regular overall shape, which is beneficial to the arrangement of the dust removal equipment in a factory or the like, and the internal chambers can be reasonably arranged to achieve the optimal arrangement of the filter devices and improve the versatility of the dust removal equipment.

[0036] The dust removal equipment of the utility model can be arranged in various areas of a factory area due to the vertical structure, and then connected with an aluminum alloy die-casting equipment, so that the dust removal equipment can be conveniently used, the position is adjustable, the structure is simple, the maintenance is convenient, the dust removal effect is good, and indoor emission can be directly achieved.

[0037] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vertical dust removal device for aluminum alloy die casting exhaust gas, characterized in that: The device includes a vertical support frame, which is divided into an exhaust chamber, a filtration chamber, and a water supply chamber from top to bottom along its height. The filtration chamber is sequentially equipped with a four-stage fiber filter, a three-stage stainless steel filter plate, and a two-stage stainless steel filter cartridge from top to bottom. A first-stage Venturi filter tube is installed on the outside of the vertical support frame, and the first-stage Venturi filter tube is connected to the lower side of the second-stage stainless steel filter cartridge in the filtration chamber via a pipe. A water tank is installed in the water supply chamber, and the water tank is connected to the first-stage Venturi filter tube and supplies water. An exhaust fan is installed in the exhaust chamber, and the exhaust fan is used to draw aluminum alloy die-casting exhaust gas through the first-stage Venturi filter tube, the second-stage stainless steel filter cartridge, the third-stage stainless steel filter plate, and the fourth-stage fiber filter.

2. The vertical dust removal equipment for aluminum alloy die casting exhaust gas according to claim 1, characterized in that: Above the primary Venturi filter tube is a gas receiving hopper, and the gas receiving hopper is connected side by side to an organic side furnace exhaust gas inlet butterfly valve and a die-casting machine exhaust gas inlet butterfly valve.

3. The vertical dust removal equipment for aluminum alloy die casting exhaust gas according to claim 1, characterized in that: The front side of the vertical bracket has a first inspection port and a second inspection port that are respectively connected to the exhaust chamber and the filter chamber. A first sealing plate is installed at the first inspection port and a second sealing plate is installed at the second inspection port.

4. The vertical dust removal equipment for aluminum alloy die casting exhaust gas according to claim 1, characterized in that: An automatic pulse cleaning device is also provided on the rear side of the vertical support. The automatic pulse cleaning device includes multiple cleaning nozzles, which extend into the vertical support and are positioned directly opposite the secondary stainless steel filter cartridge.

5. The vertical dust removal equipment for aluminum alloy die casting exhaust gas according to claim 1, characterized in that: The vertical support has a square frame structure.

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