CN111854391A - A tail gas treatment device for drying mechanical parts - Google Patents

Abstract

The invention discloses a tail gas treatment device for drying mechanical parts, which comprises a material conveying frame and an oven. Supporting feet are arranged under both ends of the material conveying frame, and rollers are arranged on the material conveying frame. The middle of the material rack is provided with an oven, the material conveying rack runs through the middle of the oven, and both side walls of the oven are provided with material openings above the roller table; a heating plate is arranged inside the oven and below the roller table , the middle of the heating plate is composed of a plurality of heating pipes arranged in a horizontal direction. In the invention, after the exhaust gas is generated inside the oven, the exhaust gas is pumped through the air pump, and the exhaust gas inside the oven is sucked into the exhaust gas treatment component by the exhaust hood, and the screw is driven by the motor at the same time. The control slide and the exhaust hood fixed at the bottom of the slide reciprocate along the axial direction of the slide shaft to prevent the exhaust hood from extracting exhaust gas from only one position, and effectively improve the exhaust effect of exhaust gas.

Description

A tail gas treatment device for drying mechanical parts

technical field

The invention relates to the field of mechanical processing equipment, in particular to a tail gas treatment device for drying mechanical parts.

Background technique

In the current industrial production workshop, there are many parts that need to have a painting process. Some parts are naturally dried after painting, while some parts need to be dried after painting, and then enter the drying box or dry after the painting process. Pipeline, because heating will generate waste gas such as benzene series and esters. Activated carbon adsorption is a common waste gas treatment method. It uses porous activated carbon, silicon bath soil, anthracite, etc. to adsorb organic gas molecules to its surface, thereby purifying waste gas with high purification rate (activated carbon adsorption can reach more than 95%) , Practical and universal, easy to operate, low investment.

In the drying process of the drying box in the traditional drying equipment, it is necessary to ensure good airtightness to prevent the harmful exhaust gas from overflowing and leaking after drying, resulting in pollution of the workshop; in the traditional drying box, due to the The fixed setting cannot effectively discharge the harmful exhaust gas inside the drying box quickly.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an exhaust gas treatment device for drying mechanical parts, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a tail gas treatment device for drying mechanical parts, comprising a material conveying frame and an oven, supporting feet are provided under both ends of the material conveying frame, and the conveying machine A roller table is arranged on the rack, an oven is arranged in the middle of the material conveying frame, the material conveying rack runs through the middle of the oven, and both side walls of the oven are provided with material openings above the roller table; A heating plate is arranged below the roller table, and the middle of the heating plate is composed of a plurality of heating pipes arranged in a horizontal direction; the bottom of the oven is provided with an air inlet pipe, and the air inlet pipe is connected with a plurality of branch pipes, and the branch pipes pass through the oven. The bottom penetrates to the inside of the oven, the upper end of the branch pipe is provided with a blowing hood, and one end of the air inlet pipe is connected with a fan.

Preferably, a baffle is arranged close to the outer side of the material opening, and both sides of the baffle are slidably clamped in sliding rails fixed to the outside of the oven.

Preferably, the upper end outer wall of the baffle is integrally formed with a limit seat, a limit pin rod is inserted along the outer end of the limit seat, and a limit hole corresponding to the limit pin rod is opened above the side wall of the oven .

Preferably, the interior of the limiting seat is an elastic cavity, the portion of the limiting pin rod located in the elastic cavity is provided with a snap ring, and a return spring is connected between the snap ring and the elastic cavity.

Preferably, a sliding shaft is connected between the upper parts of the inner walls on both sides of the oven, a sliding seat is slidably connected to the sliding shaft, an exhaust hood is fixedly connected to the bottom of the sliding seat, an exhaust pipe is connected to the upper end of the exhaust hood, and the exhaust air The pipe runs out along the middle of the top wall of the oven, and the upper end of the exhaust pipe is connected to the suction port of the suction pump, and the exhaust joint of the suction pump is connected with the exhaust gas treatment component.

Preferably, a screw parallel to the sliding shaft is rotatably connected between the two side walls of the oven, and the screw is screwed with the sliding seat.

Preferably, one end of the screw rod is connected with the output shaft of the motor, and the motor is fixed on the outer side wall of the oven through bolts.

Preferably, the exhaust gas treatment assembly includes an outer cylinder connected to the air extraction pump, an inner core is fitted inside the outer cylinder, and another port of the outer cylinder is threadedly connected with a cylinder cover, and the cylinder cover is mounted on the cylinder cover. With pipe joints.

Preferably, the inner wall of the inner core barrel is welded with formed spirally coiled partition blades, and the channel between the inner cavity of the inner core barrel and the partition blades is filled with activated carbon filler.

Preferably, an observation window is opened on one side of the oven, and a sliding window is provided at the outer port close to the observation window. One end has a handle.

Technical effects and advantages of the present invention:

1. In the present invention, the limit pin rod set on the upper end of the baffle plate is pulled, so that the limit pin rod is separated from the limit hole opened on the outer wall of the oven, so that the baffle plate can be lowered to close the material opening, so as to ensure the drying oven. The internal sealing effect prevents the exhaust gas from overflowing during drying;

2. In the present invention, after the exhaust gas is generated inside the oven, the exhaust gas is pumped through the air pump, and the exhaust gas inside the oven is sucked into the exhaust gas treatment component by the exhaust hood, and the screw is driven by the motor at the same time. Under the connection relationship, the control slide and the exhaust hood fixed at the bottom of the slide reciprocate along the axial direction of the slide shaft, so as to avoid the exhaust hood extracting exhaust gas from only one position, and effectively improve the exhaust effect of exhaust gas;

3. In the present invention, after the exhaust gas enters the exhaust gas treatment assembly, the interior of the inner core tube is divided into a spiral channel by the partition blades, and the channel between the inner cavity of the inner core tube and the partition blade is filled with activated carbon filling. This setting increases the time for the exhaust gas to pass through the inner core cylinder, and effectively improves the adsorption effect of the activated carbon filler on the harmful substances in the exhaust gas.

Description of drawings

FIG. 1 is a partial cross-sectional view of the three-dimensional structure of the present invention.

Figure 2 is a front sectional view of the structure of the present invention.

FIG. 3 is an enlarged view of A in FIG. 2 .

FIG. 4 is an enlarged view of B in FIG. 2 .

FIG. 5 is a schematic diagram of the three-dimensional structure of the present invention.

In the picture: 1. Material conveying frame; 2. Roller table; 3. Oven; 301. Material opening; 4. Baffle plate; 5. Slide rail; 6. Limit seat; 601, Limit pin; 602, Card Ring; 603, return spring; 7, heating plate; 701, heating pipe; 8, intake pipe; 801, branch pipe; 802, blowing hood; 9, fan; 10, sliding shaft; 11, sliding seat; 12, exhaust Air hood; 13. Exhaust pipe; 14. Air extraction pump; 15. Exhaust gas treatment assembly; 16. Screw; 17. Motor; 18. Outer cylinder; 181. Cylinder cover; 182. Pipe joint; 20, septum; 21, activated carbon filler; 22, observation window; 23, sliding window; 24, sliding window track; 25, handle.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The present invention provides a tail gas treatment device for drying mechanical parts as shown in Figs. 1-5, including a material conveying frame 1 and an oven 3. Combined with Fig. 1 and Fig. 2, both ends of the material conveying frame 1 are provided. The bottom is provided with support feet for support, the conveying frame 1 is provided with a roller table 2, the middle of the conveying frame 1 is provided with an oven 3, the conveying frame 1 runs through the middle of the oven 3, and the two sides of the oven 3 The wall and above the roller table 2 are provided with material openings 301, which are used to carry in and out of the processed parts. A heating plate 7 is arranged inside the oven 3 and located below the roller table 2, and the middle of the heating plate 7 is heated by a plurality of The tubes 701 are arranged in a horizontal direction, and the heating plate 7 is connected to a power source to make the heating tubes 701 generate heat, thereby heating and drying the mechanical parts transported on the roller table 2 .

As shown in FIG. 2 , the bottom of the oven 3 is provided with an air inlet pipe 8, and a plurality of branch pipes 801 are tapped on the air inlet pipe 8, and the branch pipes 801 penetrate through the bottom of the oven 3 to the interior of the oven 3, and one end of the air inlet pipe 8 A fan 9 is connected, and the air inlet pipe 8 is supplied with air through the fan 9, so that the gas is blown upward along the plurality of branch pipes 801, and the heat generated by the heating plate 7 is blown upward, effectively improving the drying efficiency. The upper end is provided with a blowing cover 802, which can increase the blowing range and ensure that the heat is evenly guided upwards.

As shown in FIG. 1 and FIG. 2 , a baffle 4 is provided close to the outer side of the material opening 301 , the baffle 4 is used to block the material opening 301 , and both sides of the baffle 4 are slidably clamped on the slide rails fixed on the outside of the oven 3 . In 5, when drying, the baffle 4 is slid down to close the material opening 301, and when feeding or discharging, the baffle 4 is slid upward to open the material opening 301, as shown in Figure 1, Figure 2 and Figure 3 The upper end outer wall of the baffle plate 4 is integrally formed with a limit seat 6, a limit pin rod 601 is inserted along the outer end of the limit seat 6, and a limit rod corresponding to the limit pin rod 601 is opened above the side wall of the oven 3 When the baffle 4 is pulled up, the inner end of the limit pin 601 is inserted into the limit hole to fix the baffle 4. The interior of the limit seat 6 is an elastic cavity, and the limit pin 601 The part located in the elastic cavity is provided with a snap ring 602, and a return spring 603 is connected between the snap ring 602 and the elastic cavity. Only by pulling the limit pin rod 601, the limit pin rod 601 can be connected to the limit hole. Detachment is also convenient when the limiting pin rod 601 is inserted.

As shown in FIG. 2 , a sliding shaft 10 is connected between the upper parts of the inner walls on both sides of the oven 3 , a sliding seat 11 is slidably connected to the sliding shaft 10 , an exhaust hood 12 is fixedly connected to the bottom of the sliding seat 11 , and the upper end of the exhaust hood 12 is connected An exhaust pipe 13 is connected, and the exhaust pipe 13 runs through the middle of the top wall of the oven 3, and the upper end of the exhaust pipe 13 is connected to the air extraction interface of the air extraction pump 14, and the exhaust joint of the air extraction pump 14 is connected with an exhaust gas treatment assembly 15 , the exhaust gas inside the oven 3 is sucked into the exhaust gas treatment assembly 15 by the exhaust hood 12 through the extraction work of the extraction pump 14 .

As shown in FIG. 2 , a screw 16 parallel to the sliding shaft 10 is rotatably connected between the two side walls of the oven 3 , and the screw 16 is screwed with the sliding seat 11 , and one end of the screw 16 is connected with the output shaft of the motor 17 . The motor 17 is fixed on the outer side wall of the oven 3 by bolts, and the screw 16 is driven by the motor 17. Under the screw connection between the screw 16 and the slide 11, the control slide 11 and the fixed bottom The exhaust hood 12 reciprocates along the axial direction of the sliding shaft 10 to prevent the exhaust hood 12 from extracting exhaust gas from only one position, thereby effectively improving the exhaust effect of exhaust gas.

1, 2 and 4, the exhaust gas treatment assembly 15 includes an outer cylinder 18 that is connected to the air pump 14. The outer cylinder 18 is fitted with an inner core cylinder 19. The inner wall is welded with formed spirally coiled partitions 20, the interior of the inner core barrel 19 is divided into a spiral channel by the partitions 20, and the channel between the inner cavity of the inner core barrel 19 and the partitions 20 is filled with activated carbon filler 21 , such a setting improves the time for the exhaust gas to flow through the inner core barrel 19, and effectively improves the adsorption effect of the activated carbon filler 21 on harmful substances in the exhaust gas. The inner core cylinder 19 is replaced, the cylinder cover 181 is provided with a pipe joint 182, and the pipe joint 182 is used for connecting the exhaust pipe to lead out the treated exhaust gas.

As shown in FIG. 5 , an observation window 22 is opened on one side of the oven 3, and a sliding window 23 is provided at the outer port of the observation window 22. The window track 24 is slidably connected, and one end of the sliding window 23 is provided with a handle 25. When the mechanical parts of the oven 3 need to be adjusted, the sliding window 23 can be toggled through the handle 25 to open the observation window 22 for drying. During the drying process, the observation window 22 needs to be closed by the sliding window 23, and the interior of the oven 3 can be observed along the observation window 22.

The working principle of the present invention:

When the present invention is used, the mechanical parts are transported to the inside of the oven 3 through the roller table 2 on the conveying frame 1. At this time, the limit pin rod 601 provided on the upper end of the baffle plate 4 is pulled to make the limit pin The rod 601 is separated from the limit hole opened on the outer wall of the oven 3, so that the baffle 4 can be lowered to close the material port 301, so as to ensure the sealing effect inside the oven 3 and avoid the exhaust gas overflow during drying;

Then, the heating plate 7 at the bottom of the inner cavity of the oven 3 is connected to the power supply, so that the heating pipe 701 generates heat, and at the same time, the fan 9 is controlled to supply air to the intake pipe 8, so that the gas is blown upward along the plurality of branch pipes 801, and the heating plate 7 is blown upward. The heat generated is blown upward, effectively improving the drying efficiency;

After the exhaust gas is generated inside the oven 3, the exhaust gas in the oven 3 is sucked by the exhaust pump 14, and the exhaust gas inside the oven 3 is sucked into the exhaust gas treatment assembly 15 by the exhaust hood 12, and the screw 16 is driven by the motor 17 at the same time. Under the screw connection of the sliding seat 11, the control sliding seat 11 and the exhaust hood 12 fixed at the bottom of the sliding seat 11 reciprocate along the axial direction of the sliding shaft 10, so as to prevent the exhaust hood 12 from extracting exhaust gas from only one position, which is effective. Improve the exhaust effect of exhaust gas;

When the exhaust gas enters the exhaust gas treatment assembly 15, the interior of the inner core tube 19 is divided into a spiral channel by the partition vanes 20, and the channel between the inner cavity of the inner core tube 19 and the partition vanes 20 is filled with activated carbon filler. 21. This setting increases the time for the exhaust gas to flow through the inner core tube 19, and effectively improves the adsorption effect of the activated carbon filler 21 on harmful substances in the exhaust gas.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (10)

1. The utility model provides a tail gas processing apparatus of machine part stoving usefulness, includes fortune material frame (1) and oven (3), its characterized in that: supporting legs are arranged below two ends of the material conveying rack (1), a roller way (2) is arranged on the material conveying rack (1), an oven (3) is arranged in the middle of the material conveying rack (1), the material conveying rack (1) penetrates through the middle of the oven (3), and material openings (301) are formed in two side walls of the oven (3) and above the roller way (2); a heating plate (7) is arranged in the oven (3) and below the roller way (2), and the middle part of the heating plate (7) is formed by arranging a plurality of heating pipes (701) in a horizontal direction; the bottom of oven (3) is provided with intake pipe (8), and intake pipe (8) go up the branching and have many takeoffs (801), and the bottom that oven (3) were run through to the bottom of takeover (801) runs through to the inside of oven (3), and the upper end of takeover (801) is provided with blows gas cover (802), and the one end of intake pipe (8) is connected with fan (9).

2. The tail gas treatment device for drying mechanical parts according to claim 1, characterized in that: and a baffle (4) is arranged on the outer side close to the material opening (301), and two sides of the baffle (4) are slidably clamped in a sliding rail (5) fixed on the outer side of the oven (3).

3. The tail gas treatment device for drying mechanical parts according to claim 2, characterized in that: the upper end outer wall of the baffle (4) is integrally formed with a limiting seat (6), a limiting pin rod (601) is inserted along the outer end of the limiting seat (6), and a limiting hole corresponding to the limiting pin rod (601) is formed above the side wall of the oven (3).

4. The tail gas treatment device for drying mechanical parts according to claim 3, characterized in that: the inside of spacing seat (6) is the bullet chamber, and the part that spacing pin pole (601) are located the bullet chamber is equipped with snap ring (602), and is connected with reset spring (603) between snap ring (602) and the bullet chamber.

5. The tail gas treatment device for drying mechanical parts according to claim 1, characterized in that: be connected with slide shaft (10) between the both sides inner wall top of oven (3), sliding connection has slide (11) on slide (10), and the bottom fixedly connected with exhaust hood (12) of slide (11), exhaust hood (12) upper end are connected with blast pipe (13), and blast pipe (13) run through along the roof middle part of oven (3), and the interface of bleeding of aspiration pump (14) is connected to the upper end of blast pipe (13), and the exhaust joint of aspiration pump (14) is connected with tail gas treatment component (15).

6. The tail gas treatment device for drying mechanical parts according to claim 5, characterized in that: a screw rod (16) parallel to the sliding shaft (10) is rotatably connected between the two side walls of the oven (3), and the screw rod (16) is in threaded connection with the sliding seat (11).

7. The tail gas treatment device for drying mechanical parts according to claim 6, characterized in that: one end of the screw rod (16) is connected with an output shaft of the motor (17), and the motor (17) is fixed on the outer side wall of the oven (3) through a bolt.

8. The tail gas treatment device for drying mechanical parts according to claim 5, characterized in that: the tail gas treatment assembly (15) comprises an outer barrel (18) connected and communicated with the air pump (14), an inner core barrel (19) is fittingly sleeved inside the outer barrel (18), the other port of the outer barrel (18) is connected with a barrel cover (181) through threads, and a pipe joint (182) is arranged on the barrel cover (181).

9. The tail gas treatment device for drying mechanical parts according to claim 8, characterized in that: the inner wall of the inner core cylinder (19) is welded with a separation blade (20) formed by spirally coiling, and a channel between the inner cavity of the inner core cylinder (19) and the separation blade (20) is filled with activated carbon filler (21).

10. The tail gas treatment device for drying mechanical parts according to claim 8, characterized in that: an observation window (22) is formed in one side of the oven (3), a sliding window (23) is arranged at an outer port close to the observation window (22), the sliding window (23) is connected with a pair of sliding window rails (24) which are fixed on the outer side wall of the oven (3) and horizontally arranged in a sliding mode, and a handle (25) is arranged at one end of the sliding window (23).

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