Emission treatment device based on formaldehyde tank field volatile gas

Abstract

The utility model relates to the technical field of formaldehyde production, and discloses an emission treatment device based on formaldehyde tank area volatile gas, which comprises a formaldehyde tank body, a centrifugal fan is arranged on one side of the formaldehyde tank body, the output end of the centrifugal fan is fixedly connected with an adsorption box, one end of the adsorption box is provided with a purification assembly, and the other end of the adsorption box is provided with an air outlet. And the purification assembly comprises a purification box, a spiral pipe, an air outlet, a liquid outlet pipe, an atomization nozzle, a collection box, a flow guide pipe, a discharge pipe and a liquid discharge pipe. According to the emission treatment device based on the volatile gas in the formaldehyde tank area, by arranging the purification assembly, the volatile gas generated by a formaldehyde solution can be secondarily purified, it is ensured that the emitted gas meets the environmental protection standard, the formaldehyde solution in the formaldehyde tank generates the volatile gas, a centrifugal fan is started to suck the generated volatile gas into an adsorption box, and the adsorption box is used for adsorbing the generated volatile gas; the gas is adsorbed and filtered through the activated carbon plate in the adsorption box, and then is conveyed into the purification assembly for purification treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde production, in particular to an emission treatment device based on volatile gas in a formaldehyde tank area. Background Art

[0002] According to the application number 202322746829.3, a reaction device for formaldehyde production is disclosed, including a preparation tank, the interior of the preparation tank is fixedly connected to a reaction chamber, the preparation mechanism includes a blower, the blower is installed at a position on the side of the preparation tank, the output end of the blower is fixedly connected to a pipe, one end of the pipe passes through the outer surface of the preparation tank and the outer surface of the reaction chamber, one end of the pipe is fixedly installed inside the reaction chamber, one end of the exhaust pipe is connected to the interior of the reaction chamber, the outer surface of the exhaust pipe is fixedly connected to a branch pipe, and one end of the branch pipe is fixedly connected to the reaction chamber. The device converts formaldehyde gas into formaldehyde solution, effectively preventing workers from inhaling it into their bodies, and also avoiding air pollution. The blower transports outside air into the reaction chamber, and the prepared formaldehyde gas can be pushed into the interior of the exhaust pipe and passed into water to form a formaldehyde solution, avoiding air pollution.

[0003] The following problems still exist in actual use:

[0004] The formaldehyde solution stored in the formaldehyde tank will produce volatile gases. Most of the existing technologies use activated carbon to adsorb and filter them. However, relying solely on activated carbon for purification is ineffective, and the exhausted gas still contains harmful substances, which will have a great impact on the health of workers if inhaled. In addition, the activated carbon needs to be replaced after long-term use, which is inconvenient to replace in existing equipment. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides an emission treatment device based on volatile gases in the formaldehyde tank area, which has the advantage of being able to perform secondary purification on volatile gases generated by formaldehyde solution, ensuring that the emission gases meet environmental protection standards, and at the same time making it convenient for personnel to replace activated carbon, thereby solving the problems raised in the background technology.

[0006] The utility model provides the following technical solution: an emission treatment device based on volatile gas in a formaldehyde tank area, comprising a formaldehyde tank body, a centrifugal fan installed on one side of the formaldehyde tank body, an adsorption box fixedly connected to the output end of the centrifugal fan, and a purification component provided at one end of the adsorption box;

[0007] The purification component includes a purification box, a spiral tube, an air outlet, a liquid outlet pipe, an atomizing nozzle, a collection box, a guide pipe, a discharge pipe, and a liquid discharge pipe. The purification box is arranged on one side of the formaldehyde tank body, a spiral tube is arranged inside the purification box, an air outlet is opened on the surface of the spiral tube, liquid outlet pipes are arranged on both sides of the inner wall of the purification box, an atomizing nozzle is arranged on one side of the liquid outlet pipe, a collection box is arranged at the bottom of the purification box, guide pipes are arranged at both ends of the interior of the collection box, a discharge pipe is arranged on the outer wall of the collection box, and a liquid discharge pipe is arranged at the bottom of the collection box.

[0008] Preferably, a connecting pipe is fixedly connected to the top of the adsorption box, and one end of the connecting pipe is fixedly connected to the top of the purification box.

[0009] Preferably, the spiral tube is fixedly connected to one end of the connecting tube, the liquid outlet pipe is fixedly connected to the inner wall of the purification box, the atomizing nozzle is fixedly connected to the surface of the liquid outlet pipe, the collecting box is fixedly connected to the bottom of the purification box, the guide pipe is fixedly connected to the bottom of the purification box, the discharge pipe is fixedly connected to the outer walls on both sides of the collecting box, and the drain pipe is fixedly connected to the bottom end of the collecting box.

[0010] Preferably, the input end of the centrifugal fan is located inside the formaldehyde tank, and the adsorption box and the purification component are connected through a connecting pipe.

[0011] Preferably, activated carbon components are provided at both ends of the interior of the adsorption box, and the activated carbon components include a mounting seat, a frame, an activated carbon plate, a connecting plate, a fastening bolt, a sealing ring, and a handle.

[0012] Preferably, the inner wall of the adsorption box is fixedly connected to a mounting base, a frame is installed inside the mounting base, an activated carbon plate is provided inside the frame, one end of the frame is fixedly connected to a connecting plate, one side of the connecting plate is threadedly connected to a fastening bolt, and one end of the fastening bolt is located inside the adsorption box, one side of the connecting plate is fixedly connected to a sealing ring, and the other side of the connecting plate is fixedly connected to a handle.

[0013] Preferably, support legs are fixedly connected to the four corners of the bottom of the collection box.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The emission treatment device based on volatile gases in the formaldehyde tank area is equipped with a purification component, which can perform secondary purification on the volatile gases generated by the formaldehyde solution to ensure that the emission gas meets environmental protection standards. The formaldehyde solution in the formaldehyde tank generates volatile gases, and the centrifugal fan is started to suck the generated volatile gases into the adsorption box. The gas is adsorbed and filtered by the activated carbon plate in the adsorption box, and then transported to the purification component for purification treatment, which can enable the purification liquid to fully react with the gas, thereby improving environmental protection.

[0016] 2. The emission treatment device based on volatile gases in the formaldehyde tank area is equipped with an activated carbon component, which makes it more convenient for personnel to replace the activated carbon. When the activated carbon plate needs to be replaced, the fastening bolts are unscrewed and the frame can be pulled out by pulling the handle. Then the activated carbon plate in the frame can be replaced and then reinstalled. After installation, the gap can be sealed with a sealing ring to prevent gas from escaping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a device for treating volatile gases in a formaldehyde tank area provided by the present invention;

[0018] Figure 2 This is a schematic diagram of the front structure of a device for treating volatile gases in a formaldehyde tank area provided by the present invention;

[0019] Figure 3 This is a schematic diagram of the internal structure of an adsorption box of a device for treating volatile gases in a formaldehyde tank area provided by the present invention;

[0020] Figure 4 The utility model provides a device for treating volatile gases in formaldehyde tank area. Figure 3 A in the middle is an enlarged structural diagram;

[0021] Figure 5 This is a schematic diagram of the purification component structure of a device for treating volatile gases in a formaldehyde tank area provided by the utility model.

[0022] In the figure: 1. Formaldehyde tank; 2. Centrifugal fan; 3. Adsorption box; 4. Activated carbon assembly; 401. Mounting base; 402. Frame; 403. Activated carbon plate; 404. Connecting plate; 405. Fastening bolt; 406. Sealing ring; 407. Handle; 5. Connecting pipe; 6. Purification assembly; 601. Purification box; 602. Spiral tube; 603. Air outlet; 604. Liquid outlet pipe; 605. Atomizing nozzle; 606. Collection box; 607. Guide pipe; 608. Discharge pipe; 609. Drain pipe; 7. Support leg. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1 to 5 , a device for treating volatile gases in a formaldehyde tank area, comprising a formaldehyde tank body 1, a purification component 6 being provided on one side of the formaldehyde tank body 1, the purification component 6 comprising a purification box 601, a spiral tube 602, an air outlet 603, a liquid outlet pipe 604, an atomizing nozzle 605, a collection box 606, a flow guide pipe 607, a discharge pipe 608, and a liquid drain pipe 609. The purification box 601 is provided on one side of the formaldehyde tank body 1, a spiral tube 602 is provided inside the purification box 601, an air outlet 603 is provided on the surface of the spiral tube 602, liquid outlet pipes 604 are provided on both sides of the inner wall of the purification box 601, an atomizing nozzle 605 is provided on one side of the liquid outlet pipe 604, a collection box 606 is provided at the bottom of the purification box 601, flow guide pipes 607 are provided at both ends of the inner part of the collection box 606, a discharge pipe 608 is provided on the outer wall of the collection box 606, and a liquid drain pipe 609 is provided at the bottom of the collection box 606;

[0025] By providing the purification component 6, the volatile gas generated by the formaldehyde solution can be purified for a second time to ensure that the exhaust gas meets environmental protection standards.

[0026] See also Figures 1 to 5 , the spiral tube 602 is fixedly connected to one end of the connecting tube 5, the liquid outlet pipe 604 is fixedly connected to the inner wall of the purification box 601, the atomizing nozzle 605 is fixedly connected to the surface of the liquid outlet pipe 604, the collecting box 606 is fixedly connected to the bottom of the purification box 601, the guide pipe 607 is fixedly connected to the bottom of the purification box 601, the discharge pipe 608 is fixedly connected to the outer walls of both sides of the collecting box 606, and the drain pipe 609 is fixedly connected to the bottom end of the collecting box 606;

[0027] After preliminary filtration, the gas enters the spiral tube 602 from the connecting tube 5 and is discharged through the gas outlet 603 of the spiral tube 602. The spiral tube 602 can disperse the gas. At the same time, the liquid outlet pipe 604 is connected to the external purification liquid pipe. The purification liquid is atomized and sprayed out through the atomizing nozzle 605, so that it can fully react with the dispersed gas, thereby completing the first purification. Then the gas and the purification liquid flow into the bottom of the collection box 606 through the guide tube 607, increasing the contact time between the gas and the purification liquid, and undergoing a secondary reaction inside the collection box 606 to achieve the effect of secondary purification.

[0028] See also Figures 1 to 2A centrifugal fan 2 is installed on one side of the formaldehyde tank 1, the output end of the centrifugal fan 2 is fixedly connected to the adsorption box 3, the top of the adsorption box 3 is fixedly connected to the connecting pipe 5, and one end of the connecting pipe 5 is fixedly connected to the top of the purification box 601;

[0029] The formaldehyde solution in the formaldehyde tank 1 generates volatile gas, and the centrifugal fan 2 is started to suck the generated volatile gas into the adsorption box 3, and the gas is adsorbed and filtered by the activated carbon plate 403 in the adsorption box 3.

[0030] See also Figures 1 to 4 , activated carbon components 4 are provided at both ends of the interior of the adsorption box 3, and the activated carbon component 4 includes a mounting base 401, a frame 402, an activated carbon plate 403, a connecting plate 404, a fastening bolt 405, a sealing ring 406, and a handle 407. The inner wall of the adsorption box 3 is fixedly connected with the mounting base 401, and the frame 402 is installed inside the mounting base 401. The activated carbon plate 403 is provided inside the frame 402. One end of the frame 402 is fixedly connected to the connecting plate 404, and one side of the connecting plate 404 is threadedly connected to the fastening bolt 405, and one end of the fastening bolt 405 is located inside the adsorption box 3, one side of the connecting plate 404 is fixedly connected to the sealing ring 406, and the other side of the connecting plate 404 is fixedly connected to the handle 407. The four corners of the bottom of the collection box 606 are fixedly connected to the support legs 7;

[0031] By providing the activated carbon assembly 4, it is more convenient for personnel to replace the activated carbon, and the frame 402 and the activated carbon plate 403 are fixed by fastening bolts 405, which is convenient for personnel to disassemble.

[0032] In the present invention, the working principle of the device is as follows:

[0033] During use, the formaldehyde solution in the formaldehyde tank 1 generates volatile gas, and the centrifugal fan 2 is started to suck the generated volatile gas into the adsorption box 3, and the gas is adsorbed and filtered by the activated carbon plate 403 in the adsorption box 3. After preliminary filtration, the gas continues to be transported to the connecting pipe 5, and then passes into the spiral tube 602 from the connecting pipe 5, and is discharged through the gas outlet 603 of the spiral tube 602. The spiral tube 602 can disperse the gas, and at the same time, the liquid outlet pipe 604 is connected to the external purification liquid pipe, and the purification liquid is atomized and sprayed through the atomizing nozzle 605, so that it fully reacts with the dispersed gas, thereby completing the first purification. Then the gas and the purification liquid flow into the bottom of the collection box 606 through the guide pipe 607, increasing the contact time between the gas and the purification liquid, and undergoing a secondary reaction inside the collection box 606 to achieve the effect of secondary purification, thereby preventing the residual harmful substances in the gas from causing harm to personnel health. The generated waste liquid can be discharged through the drain pipe 609;

[0034] When the activated carbon plate 403 needs to be replaced, unscrew the fastening bolt 405 and pull the handle 407 to pull out the frame 402. Then the activated carbon plate 403 in the frame 402 can be replaced. After replacement, the frame 402 is reinserted into the mounting seat 401 and the fastening bolt 405 is re-screwed to fix it. The gap can be sealed by the sealing ring 406 to prevent gas from escaping.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for treating volatile gases in a formaldehyde tank area, comprising a formaldehyde tank body (1), characterized in that: A centrifugal fan (2) is installed on one side of the formaldehyde tank (1); an output end of the centrifugal fan (2) is fixedly connected to an adsorption box (3); and a purification component (6) is provided at one end of the adsorption box (3); The purification assembly (6) comprises a purification box (601), a spiral tube (602), an air outlet (603), a liquid outlet pipe (604), an atomizing nozzle (605), a collection box (606), a flow guide pipe (607), a discharge pipe (608), and a liquid discharge pipe (609). The purification box (601) is arranged on one side of the formaldehyde tank (1). The interior of the purification box (601) is provided with a spiral tube (602). The surface of the spiral tube (602) is provided with an air outlet. (603), both inner walls of the purification box (601) are provided with liquid outlet pipes (604), one side of the liquid outlet pipe (604) is provided with an atomizing nozzle (605), the bottom of the purification box (601) is provided with a collection box (606), both ends of the interior of the collection box (606) are provided with flow guide pipes (607), the outer wall of the collection box (606) is provided with a discharge pipe (608), and the bottom of the collection box (606) is provided with a liquid discharge pipe (609).

2. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: The top of the adsorption box (3) is fixedly connected to a connecting pipe (5), and one end of the connecting pipe (5) is fixedly connected to the top of the purification box (601).

3. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: The spiral tube (602) is fixedly connected to one end of the connecting tube (5), the liquid outlet pipe (604) is fixedly connected to the inner wall of the purification box (601), the atomizing nozzle (605) is fixedly connected to the surface of the liquid outlet pipe (604), the collection box (606) is fixedly connected to the bottom of the purification box (601), the guide pipe (607) is fixedly connected to the bottom of the purification box (601), the discharge pipe (608) is fixedly connected to the outer walls of both sides of the collection box (606), and the liquid discharge pipe (609) is fixedly connected to the bottom end of the collection box (606).

4. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: The input end of the centrifugal fan (2) is located inside the formaldehyde tank (1), and the adsorption box (3) and the purification component (6) are connected through a connecting pipe (5).

5. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: Activated carbon assemblies (4) are provided at both ends of the interior of the adsorption box (3), and the activated carbon assembly (4) comprises a mounting seat (401), a frame (402), an activated carbon plate (403), a connecting plate (404), a fastening bolt (405), a sealing ring (406), and a handle (407).

6. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: The inner wall of the adsorption box (3) is fixedly connected to a mounting base (401), a frame (402) is installed inside the mounting base (401), an activated carbon plate (403) is provided inside the frame (402), one end of the frame (402) is fixedly connected to a connecting plate (404), one side of the connecting plate (404) is threadedly connected to a fastening bolt (405), and one end of the fastening bolt (405) is located inside the adsorption box (3), one side of the connecting plate (404) is fixedly connected to a sealing ring (406), and the other side of the connecting plate (404) is fixedly connected to a handle (407).

7. The device for treating volatile gas from a formaldehyde tank area according to claim 1, characterized in that: Support legs (7) are fixedly connected to the four corners of the bottom of the collection box (606).

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