Waste gas and dust treatment equipment for machining

Abstract

The utility model discloses waste gas dust treatment equipment for machining, and relates to the technical field of dust treatment equipment. The spraying device comprises a spraying box, wherein a scraping mechanism and a spraying mechanism are arranged on the spraying box; an air inlet pipe is arranged on the outer wall of the spraying box in a communicating mode, the other end of the air inlet pipe is connected with an air feeder, an exhaust fan is arranged at the top of the spraying box, and the scraping mechanism comprises a plurality of connecting blocks fixedly connected to the inner wall of the spraying box. By arranging the scraping mechanism, the problems that in the using process of existing dust treatment equipment, as time goes on, dust can be combined with water and attached to the inner wall of a spraying box, so that flowing and distribution of water on the box wall are hindered, the water cannot be evenly and fully contacted with waste gas conveniently, the gas-liquid mass transfer efficiency is reduced, and the waste gas cannot be uniformly and fully contacted are solved. The absorption and capture effects on dust and pollutants in the waste gas are influenced, so that the standard reaching rate of the treated waste gas is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dust treatment equipment technical field, especially, relate to a waste gas dust treatment equipment for machining. BACKGROUND

[0002] In modern manufacturing industry, machining is the basis and key link, is widely used in automobile manufacturing, aerospace, mechanical manufacturing and many other fields, with the advent of industry 4.0 era, the scale of machining industry continues to expand, production efficiency is greatly improved, various processing technology is constantly pushing out new, however, in the machining process, such as cutting, polishing, drilling and other operations will inevitably produce a large amount of waste gas dust, these waste gas dust often contains metal particles, grinding dust, oil stains and various chemical substances, not only cause serious pollution to the working environment of workshop, but also pose a great threat to the health of operating personnel, therefore, the waste gas needs to be treated, among numerous treatment methods, spray treatment method is also commonly used.

[0003] But the existing dust treatment equipment in the process of using, with the passage of time, these dusts will combine with water and adhere to the inner wall of the spray tank, the flow and distribution of water on the tank wall are hindered, not convenient for uniform and full contact with waste gas, leading to the decrease of gas-liquid mass transfer efficiency, affecting the absorption and capture effect of dust and pollutants in waste gas, and further reducing the compliance rate of waste gas treatment. UTILITY MODEL CONTENTS

[0004] The utility model discloses a waste gas dust treatment equipment for machining, which is provided with a scraping mechanism, thereby solving the problem that in the process of using the existing dust treatment equipment, with the passage of time, the dusts combine with water and adhere to the inner wall of the spray tank, the flow and distribution of water on the tank wall are hindered, not convenient for uniform and full contact with waste gas, leading to the decrease of gas-liquid mass transfer efficiency, affecting the absorption and capture effect of dust and pollutants in waste gas, and further reducing the compliance rate of waste gas treatment.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model relates to a waste gas dust treatment equipment for machining, which comprises a spray tank, and a scraping mechanism and a spraying mechanism are arranged on the spray tank.

[0007] The outer wall of the spray tank is provided with an air inlet pipe in communication, one end of the air inlet pipe is connected with a blower, the top of the spray tank is provided with an air exhaust fan, the scraping mechanism comprises a plurality of connecting blocks fixedly connected to the inner wall of the spray tank, the side of the connecting blocks away from the spray tank is fixedly connected with a trapezoidal table, the spraying mechanism comprises a fixed sleeve fixedly connected to the outer wall of the spray tank, and the inner wall of the fixed sleeve is fixedly connected with a water pump.

[0008] Further, the bottom of the trapezoidal table is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating shaft through a shaft coupling, and the top of the rotating shaft penetrates through the trapezoidal table and extends into the spray tank.

[0009] Further, the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods, and the side of the connecting rods away from the rotating shaft is fixedly connected with a scraper one.

[0010] Further, the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods, and the side of the connecting rods away from the rotating shaft is fixedly connected with a scraper one.

[0011] Further, the bottom of the water pump is provided with a liquid inlet pipe in communication, the top of the water pump is provided with a connecting pipe in communication, and the end of the connecting pipe away from the water pump extends into the spray tank.

[0012] Further, the inner wall of the spray tank is fixedly connected with a cross support frame, the bottom of the cross support frame is fixedly connected with an atomizing nozzle, the end of the connecting pipe penetrates through the cross support frame and is in communication with the atomizing nozzle, the inner wall of the spray tank is fixedly connected with a wire mesh demister, and the bottom of the spray tank is threadedly connected with a collection tank.

[0013] The utility model has the following beneficial effects:

[0014] 1. By setting up the scraping mechanism, because the mixture of water and dust will adhere to the inner wall of the spray tank during the treatment process, the motor can be started after the treatment is completed, the motor drives the scraper one on the connecting rod to rotate through the rotating shaft, because the scraper one is in contact with the inner wall of the spray tank, the scraper one can scrape the inner wall of the spray tank, at the same time, the scraper two can also scrape the trapezoidal table, and the mixture hanging on the trapezoidal table will fall into the collection tank, at this time, the collection tank is taken down and cleaned, so that the problem of rusting or corrosion of the tank body caused by the adhesion of the mixture can be effectively avoided, the service life of the spray tank is prolonged, the equipment replacement cost is reduced, the inside of the spray tank can be kept clean and smooth, the water can be uniformly contacted with the waste gas, and stable and efficient waste gas treatment performance is maintained.

[0015] 2、By setting the spray mechanism, when the exhaust dust needs to be sprayed, the water pump and the air extractor on the fixed sleeve can be started, the water pump guides the water into the connecting pipe through the liquid inlet pipe, and the water is atomized into fine water droplets through the atomizing nozzle, and the dust particles in the exhaust gas are contacted, the dust particles are adsorbed or wrapped by the water droplets, and larger particle groups are formed, which are settled and fall into the collecting box due to gravity, and the exhaust gas after the spray treatment is extracted by the air extractor, so that more dust particles can be adsorbed or wrapped by the water droplets to form larger particle groups, which are settled due to gravity, thereby effectively reducing the dust concentration in the exhaust gas, reducing the pollution of dust to the atmospheric environment, improving the air quality, and also removing some harmful substances attached to the dust to a certain extent, reducing the types and contents of pollutants in the exhaust gas, and meeting the increasingly strict environmental emission standards.

[0016] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a partial sectional view of the structure of the present application.

[0019] Figure 2 It is a partial sectional view of the structure of the present application.

[0020] Figure 3 It is a partial sectional view of the structure of the present application.

[0021] Figure 4 It is a partial sectional view of the structure of the present application.

[0022] Figure 5 It is a partial sectional view of the structure of the present application.

[0023] In the drawings, the components represented by each reference numeral are listed as follows:

[0024] 1, spray box; 101, air inlet pipe; 102, exhaust fan; 2, cleaning mechanism; 211, connecting block; 212, trapezoidal table; 213, motor; 214, rotating shaft; 215, connecting rod; 216, scraper one; 217, scraper two; 3, spraying mechanism; 311, fixed sleeve; 312, water pump; 313, liquid inlet pipe; 314, connecting pipe; 315, cross support frame; 316, atomizing nozzle; 317, wire mesh demister; 318, collection tank. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-5 The utility model discloses a kind of waste gas dust treatment equipment for machining, including spray box 1, spray box 1 is provided with cleaning mechanism 2 and spraying mechanism 3, air inlet pipe 101 is communicated and is arranged on the outer wall of spray box 1, the other end of air inlet pipe 101 is connected with air supply machine, the top of spray box 1 is provided with exhaust fan 102, cleaning mechanism 2 includes the connecting block 211 of being fixedly connected on the inner wall of spray box 1, the side of the plurality of connecting blocks 211 away from spray box 1 is fixedly connected with trapezoidal table 212, the bottom of trapezoidal table 212 is fixedly connected with motor 213, the output shaft of motor 213 is fixedly connected with rotating shaft 214 by coupling, the top of rotating shaft 214 penetrates trapezoidal table 212 and extends to spray box 1, rotating shaft 214 is rotatably connected with trapezoidal table 212, the outer wall of rotating shaft 214 is fixedly connected with the plurality of connecting rods 215, the side of the plurality of connecting rods 215 away from rotating shaft 214 is fixedly connected with scraper one 216, the side of the plurality of scraper one 216 away from each other is in contact with spray box 1, the outer wall of rotating shaft 214 is fixedly connected with the plurality of scraper two 217, the bottom of the plurality of scraper two 217 is in contact with trapezoidal table 212, by being provided with cleaning mechanism 2, the problem that the rust or corrosion of box body caused by the adhesion of mixture can be effectively avoided, the service life of spray box is prolonged, equipment replacement cost is reduced, spray box inside can also be kept clean, smooth state, ensure that water can be uniformly contacted with waste gas, maintain stable and efficient waste gas treatment performance.

[0027] The spraying mechanism 3 comprises a fixed sleeve 311 fixedly connected to the outer wall of the spraying box 1, a water pump 312 fixedly connected to the inner wall of the fixed sleeve 311, an inlet pipe 313 communicated with the bottom of the water pump 312, a connecting pipe 314 communicated with the top of the water pump 312, wherein the end of the connecting pipe 314 away from the water pump 312 extends into the spraying box 1, a cross support frame 315 fixedly connected to the inner wall of the spraying box 1, an atomizing nozzle 316 fixedly connected to the bottom of the cross support frame 315, wherein the end of the connecting pipe 314 penetrates through the cross support frame 315 and is communicated with the atomizing nozzle 316, a wire mesh demister 317 fixedly connected to the inner wall of the spraying box 1, and a collecting box 318 threadedly connected to the bottom of the spraying box 1. By arranging the spraying mechanism 3, more dust particles can be adsorbed or wrapped by water droplets, and the large particle groups formed by the dust particles can be settled due to gravity, so as to effectively reduce the dust concentration in the waste gas, reduce the pollution of dust to the atmospheric environment, improve the air quality, and also remove some harmful substances attached to the dust to a certain extent, reduce the types and contents of pollutants in the waste gas, and meet the increasingly stringent environmental emission standards.

[0028] One specific application of the embodiment is that, in use, the waste gas dust to be treated is introduced into the spraying box 1 through the air blower and the inlet pipe 101, and when the waste gas dust needs to be sprayed, the water pump 312 on the fixed sleeve 311 and the air blower 102 are started, the water pump 312 introduces water into the connecting pipe 314 through the inlet pipe 313, and the water is atomized into fine water droplets by the atomizing nozzle 316 to contact the dust in the waste gas, so that the dust particles are adsorbed or wrapped by the water droplets to form large particle groups which are settled and fall into the collecting box 318 due to gravity, and the waste gas after the spraying treatment is extracted by the air blower 102. Since the mixture of water and dust is attached to the inner wall of the spraying box 1 during the treatment, the motor 213 is started after the treatment is completed, the motor 213 drives the scraper one 216 on the connecting rod 215 to rotate through the rotating shaft 214, the scraper one 216 is in contact with the inner wall of the spraying box 1, and the inner wall of the spraying box 1 is scraped clean, at the same time, the scraper two 217 also scrapes the trapezoidal table 212 clean, and the mixture hanging on the trapezoidal table 212 falls into the collecting box 318, and the collecting box 318 is removed and cleaned.

[0029] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A waste gas and dust treatment device for machining, characterized in that: Including the spray tank (1), be provided with the scraping mechanism (2) and the spray mechanism (3) on the spray tank (1); The outer wall of the spray tank (1) is communicated with an air inlet pipe (101), the other end of the air inlet pipe (101) is connected with a blower, the top of the spray tank (1) is provided with an exhaust fan (102), the scraping mechanism (2) comprises a plurality of connecting blocks (211) fixedly connected to the inner wall of the spray tank (1), a plurality of connecting blocks (211) are fixedly connected with trapezoidal tables (212) away from one side of the spray tank (1), the spray mechanism (3) comprises a fixed sleeve (311) fixedly connected to the outer wall of the spray tank (1), and the inner wall of the fixed sleeve (311) is fixedly connected with a water pump (312).

2. The exhaust dust treatment apparatus for machining according to claim 1, characterized by The bottom of the trapezoidal table (212) is fixedly connected with a motor (213), the output shaft of the motor (213) is fixedly connected with a rotating shaft (214) through a shaft coupling, and the rotating shaft (214) extends into the spray tank (1) through the trapezoidal table (212) and is rotatably connected with the trapezoidal table (212).

3. The exhaust dust treatment apparatus for machining according to claim 2, characterized by The outer wall of the rotating shaft (214) is fixedly connected with a plurality of connecting rods (215), and the side away from the rotating shaft (214) of each connecting rod (215) is fixedly connected with a scraper (216).

4. The exhaust dust treatment apparatus for machining according to claim 3, characterized by The outer wall of the rotating shaft (214) is fixedly connected with a plurality of scraper (217), and the bottom of each scraper (217) is in contact with the trapezoidal table (212).

5. The exhaust dust treatment apparatus for machining according to claim 4, characterized by The bottom of the water pump (312) is communicated with a liquid inlet pipe (313), and the top of the water pump (312) is communicated with a connecting pipe (314), and the end away from the water pump (312) of the connecting pipe (314) extends into the spray tank (1).

6. The exhaust dust treatment apparatus for machining according to claim 5, characterized by The inner wall of the spray tank (1) is fixedly connected with a cross support frame (315), the bottom of the cross support frame (315) is fixedly connected with an atomizing nozzle (316), and the end of the connecting pipe (314) penetrates the cross support frame (315) and is communicated with the atomizing nozzle (316).

7. The exhaust dust treatment apparatus for machining according to claim 6, characterized by The inner wall of the spray tank (1) is fixedly connected with a wire mesh demister (317), and the bottom of the spray tank (1) is threadedly connected with a collection tank (318).

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