CN109833673A - A kind of recycling and processing device of formaldehyde exhaust-gas - Google Patents

Abstract

The invention discloses a kind of recycling and processing devices of formaldehyde exhaust-gas, including pedestal, the top of the pedestal is equipped with device noumenon and two groups of support columns, device noumenon is cavity structure, the support column is located at the two sides of device noumenon, the mutually close side of the support column is mounted on taper rack gear, top cover is provided with right above described device ontology, the two sides of the top cover are mounted on angular wheel, the top middle portion of described device ontology is equipped with cylinder, the piston rod top end of the cylinder is fixed with bracket, the inside of the bracket is equipped with two groups of pulleys, wirerope is respectively connected on the pulley, one end of the wirerope is fixed on the side of top cover, the other end of wirerope is fixed on the top of device noumenon.Structure of the invention is reasonable, can filter out the dust in exhaust gas, while square operator overhauls or replaces to dedusting strainer and active carbon filter plate, saves cost, is conducive to improve exhaust-gas treatment effect.

Description

A kind of formaldehyde waste gas recovery and treatment device

technical field

The invention relates to the technical field of waste gas treatment, in particular to a formaldehyde waste gas recovery and treatment device.

Background technique

Activated carbon adsorption equipment is used to treat formaldehyde waste gas. Activated carbon adsorption tower has the advantages of high adsorption efficiency, wide application, convenient maintenance, and can process a variety of mixed waste gas at the same time. Electronic component production, battery (battery) production, pickling operation, laboratory exhaust, metallurgy, chemical industry, medicine, painting, food, brewing and other waste gas treatment, among which it is most suitable for the purification of painting waste gas treatment. The existing formaldehyde waste gas treatment device generally uses a filter screen to filter the formaldehyde waste gas first to separate the solid particles entrained in the gas, but the filter screen is generally installed fixedly. After long-term use, the solid particles will cause the filter screen to block. As a result, the formaldehyde waste gas cannot pass through the filter screen, which affects the filtering effect. For this reason, we have designed a formaldehyde waste gas recovery and treatment device to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a formaldehyde waste gas recovery and treatment device in order to solve the shortcomings existing in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A formaldehyde waste gas recovery and treatment device, comprising a base, a device body and two sets of support columns are installed on the top of the base, and the device body is a cavity structure, and the support columns are located on both sides of the device body, respectively. A conical rack is installed on the adjacent side of the support column, a top cover is installed just above the device body, a conical gear is installed on both sides of the top cover, and the top middle of the device body is installed There is a cylinder, a bracket is fixed on the top of the piston rod of the cylinder, two sets of pulleys are installed inside the bracket, and wire ropes are connected to the pulleys, one end of the wire rope is fixed on one side of the top cover, and the wire rope The other end is fixed on the top of the device body, the bottom end of the top cover is fixed with an activated carbon filter plate and a screen frame, a dust filter screen is installed inside the screen frame, and one end of the activated carbon filter plate and the screen frame are Extending to the inside of the device body, a dust filter is installed inside the screen frame.

Preferably, an air intake pipe is installed above one side of the device body, a negative pressure fan is installed in the middle of the outer wall of the other side of the device body, a vibrator is installed on the inner wall of the bottom end of the device body, and the vibration The side of the filter is in contact with the side of the dust filter.

Preferably, the top of the base is provided with a placement slot, the placement slot is fixed with a dust collecting box, and the dust collecting box is located directly below the dust filter screen, and a dust outlet is opened in the middle of the bottom end of the dust collecting box The bottom end of the dust outlet is provided with a dust plug.

Preferably, the bevel gears are located between the bevel rack and the cylinder, and the bevel gears are meshed with the bevel rack.

Preferably, openings are provided on both sides of the top of the device body, the activated carbon filter plate and the mesh frame are slidably connected to the inner wall of the opening, and a seal is provided between the inner wall of the opening and the activated carbon filter plate and the mesh frame. lock up.

The beneficial effects of the invention are as follows: the dust particles in the formaldehyde exhaust gas can be filtered through the dust removal filter screen, the setting of the dust collecting box makes the filtered dust easier to collect, and the design of the vibrator makes the dust particles on the filter screen easier to fall , the activated carbon filter plate can adsorb the organic gas in the exhaust gas, and the pulley is moved up and down by starting the cylinder. At the same time, through the cooperation of the conical gear and the conical rack, the steel wire rope drives the two ends of the top cover to go up and down. The structure of the invention is reasonable, and the The dust in the exhaust gas is filtered out, and at the same time, the operator can repair or replace the dust removal filter screen and the activated carbon filter plate, which saves costs and is conducive to improving the exhaust gas treatment effect.

Description of drawings

Fig. 1 is the structural representation of a kind of recovery processing device of formaldehyde waste gas proposed by the present invention;

FIG. 2 is a schematic diagram of the open state of the top cover structure of a formaldehyde waste gas recovery and treatment device proposed by the present invention.

In the picture: 1 base, 2 device body, 3 support column, 4 conical rack, 5 top cover, 6 conical gear, 7 cylinder, 8 bracket, 9 pulley, 10 steel wire rope, 11 activated carbon filter plate, 12 mesh frame, 13 dust filter, 14 intake pipe, 15 negative pressure fan, 16 vibrator, 17 dust box.

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.

1-2, a formaldehyde waste gas recovery and treatment device, comprising a base 1, the top of the base 1 is installed with a device body 2 and two groups of support columns 3, and the device body 2 is a cavity structure, and the support columns 3 are respectively located in the device On both sides of the main body 2, a conical rack 4 is installed on the side that is close to the support column 3, a top cover 5 is arranged directly above the device body 2, and a conical gear 6 is installed on both sides of the top cover 5. A cylinder 7 is installed in the middle of the top of the main body 2, a bracket 8 is fixed at the top of the piston rod of the cylinder 7, and two sets of pulleys 9 are installed inside the bracket 8. The pulleys 9 are connected with a wire rope 10, and one end of the wire rope 10 is fixed on the top cover 5. The other end of the wire rope 10 is fixed on the top of the device body 2, the bottom end of the top cover 5 is fixed with an activated carbon filter plate 11 and a screen frame 12, and a dust filter screen 13 is installed inside the screen frame 12, and the activated carbon filter plate One end of the screen frame 11 and the screen frame 12 both extend to the inside of the device body 2 , and a dust filter screen 13 is installed inside the screen frame 12 . In the present invention, the dust particles in the formaldehyde exhaust gas can be filtered by the dust removal filter screen, the setting of the dust collecting box makes the filtered dust easier to collect, the design of the vibrator makes the dust particles on the filter screen easier to fall, and the activated carbon filter plate The organic gas in the exhaust gas can be adsorbed, and the pulley is moved up and down by starting the cylinder. At the same time, through the cooperation of the conical gear and the conical rack, the steel wire rope drives the two ends of the top cover to go up and down. The structure of the invention is reasonable, and the dust in the exhaust gas can be removed. At the same time, the operator can repair or replace the dust removal filter screen and activated carbon filter plate, which saves costs and is conducive to improving the effect of waste gas treatment.

In this embodiment, an air intake pipe 14 is installed on one side of the device body 2 , a negative pressure fan 15 is installed in the middle of the outer wall of the other side of the device body 2 , and a vibrator 16 is installed on the inner wall of the bottom end of the device body 2 to vibrate One side of the filter 16 is in contact with one side of the dust removal filter 13. The top of the base 1 is provided with a placement slot, and the placement slot is fixed with a dust collection box 17, and the dust collection box 17 is located directly under the dust removal filter 13. The middle of the bottom end of 17 is provided with a dust outlet, and the bottom end of the dust outlet is provided with a dust plug. The strips 4 are engaged with each other, openings are provided on both sides of the top of the device body 2, the activated carbon filter plate 11 and the screen frame 12 are slidably connected to the inner wall of the opening, and a sealing ring is provided between the inner wall of the opening and the activated carbon filter plate 11 and the screen frame 12. .

In this embodiment, during use, the formaldehyde exhaust gas enters the device body 2 through the intake pipe 14. Due to the action of the negative pressure fan 15, the exhaust gas passes through the filtering action of the dust removal filter screen 13, and the dust particles are filtered out, and then passed through the activated carbon filter plate. 11 adsorption, the adsorbed gas is sucked out by the negative pressure fan 15 and discharged into the atmosphere. By turning on the vibrator 7, the dust on the dust removal filter 6 enters the dust collection box 17 through vibration, and the dust collector can be collected by rotating the dust plug. The dust in the dust box 17 is taken out, and cleaning is more convenient. When the formaldehyde waste gas in the device body 2 is completely recovered and processed, the negative pressure fan 15 is turned off, and the cylinder 7 is activated to drive the pulley 9 to move up and down. With the cooperation of the conical rack 4, the two sets of steel wire ropes 10 can control the stable lifting of both ends of the top cover 5. When the activated carbon filter plate 11 and the screen frame 12 are separated from the device body 2, the cylinder 6 is closed, and finally the dust removal filter screen 13 can be easily removed. The purpose of overhauling or replacing the activated carbon filter plate 11 is to increase the service life of the dust filter screen and the activated carbon filter plate in the filter box, save costs and improve the filtering effect.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (5)

1. a recovery treatment device for formaldehyde waste gas, comprising a base (1), characterized in that the top of the base (1) is provided with a device body (2) and two groups of support columns (3), and the device body is (2) is a cavity structure, the support columns (3) are respectively located on both sides of the device body (2), and the conical racks (4) are installed on the adjacent sides of the support columns (3). A top cover (5) is provided just above the device body (2), bevel gears (6) are installed on both sides of the top cover (5), and a cylinder is installed in the middle of the top of the device body (2). (7), a bracket (8) is fixed on the top end of the piston rod of the cylinder (7), two sets of pulleys (9) are installed inside the bracket (8), and wire ropes (9) are connected to the pulleys (9). 10), one end of the wire rope (10) is fixed on one side of the top cover (5), the other end of the wire rope (10) is fixed on the top of the device body (2), and the bottom of the top cover (5) An activated carbon filter plate (11) and a screen frame (12) are fixed at the ends, a dust removal filter screen (13) is installed inside the screen frame (12), and the activated carbon filter plate (11) and the screen frame (12) are Both ends extend to the inside of the device body (2), and a dust filter (13) is installed inside the screen frame (12). 2. The recovery and treatment device of a formaldehyde waste gas according to claim 1, characterized in that, an air inlet pipe (14) is installed on one side of the device body (2), and another part of the device body (2) is provided with an air inlet pipe (14). A negative pressure fan (15) is installed in the middle of the outer wall of one side, a vibrator (16) is installed on the inner wall of the bottom end of the device body (2), and one side of the vibrator (16) is connected to the dust removal filter (13). ) on one side of the contact. 3. The recovery and treatment device of a formaldehyde waste gas according to claim 1, wherein the top of the base (1) is provided with a placement slot, and the placement slot is fixed with a dust collecting box (17), and the The dust collecting box (17) is located directly below the dust removal filter screen (13), a dust outlet is provided in the middle of the bottom end of the dust collecting box (17), and a dust plug is arranged at the bottom end of the dust outlet. 4. The device for recycling formaldehyde waste gas according to claim 1, wherein the bevel gear (6) is located between the bevel rack (4) and the cylinder (7), and the bevel gear (6) is located between the bevel rack (4) and the cylinder (7). The bevel gear (6) meshes with the bevel rack (4). 5. The recovery and treatment device of a kind of formaldehyde waste gas according to claim 1 is characterized in that, both sides of the top of the device body (2) are provided with openings, and the activated carbon filter plate (11) and the mesh frame ( 12) It is slidably connected to the inner wall of the opening, and a sealing ring is arranged between the inner wall of the opening, the activated carbon filter plate (11) and the screen frame (12).