Waste gas treatment device for brominated epoxy resin production

Abstract

The invention belongs to the technical field of brominated epoxy resin production equipment, and particularly relates to a waste gas treatment device for brominated epoxy resin production, which comprises a purification box provided with an exhaust pipe, and further comprises an adsorption assembly used for carrying out adsorption treatment on flue gas and arranged in the purification box; the washing assembly is used for spraying the flue gas and is arranged in the adsorption assembly; and the condensation assembly is used for cooling the flue gas and is arranged at the side part of the purification box. According to the flue gas purification device, the adsorption assembly used for adsorbing flue gas, the washing assembly used for spraying the flue gas and the condensation assembly used for cooling the flue gas are arranged in the purification box, so that the flue gas can be treated in multiple modes, and the flue gas treatment effect can be improved; and the cost investment and the occupied space of equipment can be reduced to a certain extent.

Description

Technical Field

[0001] The present invention relates to the technical field of brominated epoxy resin production equipment, and specifically relates to an exhaust gas treatment device for brominated epoxy resin production. Background Art

[0002] Brominated epoxy resin is an epoxy resin containing bromine elements in its molecular structure and has a self-extinguishing function. Its important varieties include brominated bisphenol A type epoxy resin, brominated phenolic type epoxy resin, and dibromoneopentyl glycol type epoxy resin.

[0003] The production of brominated epoxy resin usually involves a polymerization reaction, during which volatile organic compounds (VOCs), such as epichlorohydrin and toluene, are generated. These organic compounds volatilize under high temperature or reaction conditions to form exhaust gas. However, existing exhaust gas treatment devices usually can only treat the exhaust gas in a single way, such as only using a single technology like condensation, adsorption, or spraying. It is difficult to comprehensively deal with the complex exhaust gas components during the production of brominated epoxy resin.

[0004] When dealing with exhaust gas in multiple ways, multiple devices need to be invested. This not only increases the floor area occupied by the devices but also raises the procurement, installation, and maintenance costs of the devices. The combined use of multiple devices may lead to complex system integration and poor operation coordination, affecting the overall treatment efficiency. Summary of the Invention

[0005] In view of the above and / or existing problems in an exhaust gas treatment device for brominated epoxy resin production, the present invention is proposed.

[0006] Therefore, the object of the present invention is to provide an exhaust gas treatment device for brominated epoxy resin production, which can solve the above-mentioned existing problems.

[0007] To solve the above technical problems, according to one aspect of the present invention, the following technical solutions are provided: An exhaust gas treatment device for brominated epoxy resin production, including a purification tank, an exhaust pipe is installed on the purification tank, and further includes: An adsorption component for adsorbing and treating the flue gas, and the adsorption component is arranged inside the purification tank; A washing component for spraying the flue gas, and the washing component is arranged in the adsorption component; A condensation component for cooling the flue gas, and the condensation component is arranged on the side of the purification tank; The adsorption component includes: A first hollow tube with filter holes opened thereon, several of the first hollow tubes are arranged in a ring, and each two groups of the first hollow tubes are connected by a connection component, and a rotation component is arranged in the purification tank to control the rotation of one group of the first hollow tubes; Baffles, with baffles fixedly installed at both ends of the first hollow tube; Activated carbon, with the activated carbon arranged in the first hollow tube; The condensation assembly includes: A refrigerator, with the refrigerator fixedly installed on the bottom side wall of the purification box; A cold air pipe, with the cold air pipe fixedly installed on the cold air outlet of the refrigerator, and the output end of the cold air pipe communicating with the purification box.

[0008] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: the connection assembly includes: A first box body, with the first box body fixedly installed on the baffle; A first servo motor, with the first servo motor fixedly installed in the first box body, and controlling the rotation and expansion of several of the first hollow tubes through the first servo motor; A square plate, with the output shaft of the first servo motor fixedly installed with the square plate; A second hollow tube, with the square plate fixed to the second hollow tube, one end of the second hollow tube fixedly installed on the baffle, and adjacent two groups of the second hollow tubes arranged oppositely.

[0009] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: the rotation assembly includes: A rotating shaft, with the rotating shaft rotatably connected in the purification box through a bearing, and a group of first hollow tubes fixedly installed at the bottom of the rotating shaft; A second box body, with the second box body fixedly installed on the upper end of the purification box; A second servo motor, with the second servo motor fixedly installed in the second box body, and the output shaft of the second servo motor fixedly installed with the rotating shaft.

[0010] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: the washing assembly includes: A storage tank with washing liquid in its inner cavity, with the storage tank fixed to the rotating shaft; A water pump, with the water pump fixedly installed on the side wall of the storage tank; A pipeline, with the pipeline fixedly installed on the liquid inlet end of the water pump, and one end of the pipeline arranged in the storage tank; A rigid pipe, with the rigid pipe fixedly installed on the liquid outlet end of the water pump; A flexible pipe, with one end of the rigid pipe fixedly connected to several flexible pipes through a multi-way joint, and one end of the flexible pipe rotatably connected in the second hollow tube through a bearing; A third hollow tube, with the third hollow tube fixedly installed in the first hollow tube, and the third hollow tube communicating with the second hollow tube; A fourth hollow tube, several fourth hollow tubes are fixedly installed on the side wall of the third hollow tube, and the fourth hollow tubes pass through the activated carbon; A one-way valve, the one-way valve is fixedly installed at one end of the fourth hollow tube.

[0011] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: a cylinder is installed on the left side of the purification box, the cylinder fixedly installs a connecting plate through a piston rod, the left side top of the purification box is slidably connected with an air inlet pipe, and the top of the air inlet pipe is fixedly installed with a connecting plate, and one end of the air inlet pipe is inserted into the space formed by several first hollow tubes.

[0012] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: it further includes: A cleaning assembly for removing impurities in the space formed by several first hollow tubes, and the cleaning assembly is arranged on the first hollow tube.

[0013] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: the cleaning assembly includes: Two support blocks, the two support blocks are arranged in the space formed by several first hollow tubes, and the two support blocks are fixed on the first hollow tube fixed to the rotating shaft; A screw rod, the screw rod is rotatably connected to the support block through a bearing; A slider, the slider is threadedly connected to the screw rod; Brush filaments, several brush filaments are arranged on the outer surface of the slider, and the brush filaments are in contact with the first hollow tube; A guide rod, the guide rod is fixedly installed on the support block, and the slider is slidably connected to the guide rod; A third box body, the third box body is fixed on the support block on the side far from the air inlet pipe; A third servo motor, the third servo motor is fixedly installed in the third box body, and the output shaft of the third servo motor is fixedly connected to the screw rod.

[0014] As a preferred solution of an exhaust gas treatment device for the production of brominated epoxy resin according to the present invention, wherein: the cleaning assembly further includes: Through holes, through holes are opened at both ends of the slider; Fans, the fans are fixedly installed in the through holes.

[0015] Compared with the prior art: 1. By integrating multiple treatment methods such as adsorption, spraying, and condensation, comprehensive purification of the exhaust gas from brominated epoxy resin production is achieved. The adsorption component uses activated carbon to efficiently adsorb volatile organic compounds (VOCs), the spraying component absorbs soluble harmful substances through the washing liquid, and the condensation component condenses the harmful components in the exhaust gas for subsequent treatment. This multi-stage treatment method can effectively handle the characteristics of complex exhaust gas composition and large concentration fluctuations, ensure the stable discharge of the treated exhaust gas up to the standard, significantly improve the exhaust gas treatment effect, and meet strict environmental protection requirements.

[0016] 2. By integrating multiple functions in a purification box, the equipment structure is optimized, reducing the floor area and complexity of the equipment. Flexible operation of the equipment is realized, and the procurement and installation costs of the equipment are reduced. At the same time, the cyclic regeneration design of the activated carbon reduces the replacement frequency of the adsorption material, further reducing the operating cost. This optimized structure not only improves the integration and economy of the equipment, but also simplifies the operation and maintenance process of the equipment.

[0017] 3. The cleaning component drives the slider to reciprocate through a screw, and the brush filaments are in close contact with the first hollow pipe wall, effectively scraping off the attached impurities, keeping the pipe wall clean, and ensuring the adsorption and spraying effects. The fan blows the impurities into the purification box to avoid secondary pollution. This component reduces the manual cleaning frequency, reduces the maintenance cost, extends the service life of the equipment, and significantly improves the operating efficiency and economy of the exhaust gas treatment device. Description of the Drawings

[0018] Figure 1 It is a schematic external structure diagram of the purification box of the present invention; Figure 2 It is a front perspective schematic diagram of the adsorption component in the purification box of the present invention; Figure 3 It is a side perspective schematic diagram of the adsorption component in the purification box of the present invention; Figure 4 It is a sectional schematic diagram of the support block in the purification box of the present invention; Figure 5 It is a sectional schematic diagram of the first hollow pipe of the present invention; Figure 6 It is an unfolded structure schematic diagram of the first hollow pipe of the present invention; Figure 7 It is a top sectional schematic diagram of the slider of the present invention.

[0019] In the figure: 10, purification box; 11, exhaust pipe; 20, first hollow tube; 21, baffle; 22, activated carbon; 30, first box body; 31, first servo motor; 32, square plate; 33, second hollow tube; 40, storage box; 41, water pump; 42, pipeline; 43, hose; 44, third hollow tube; 45, fourth hollow tube; 46, one-way valve; 50, rotating shaft; 51, second box body; 52, second servo motor; 60, support block; 61, screw; 62, slider; 63, brush wire; 64, guide rod; 65, third box body; 66, third servo motor; 67, through hole; 68, fan; 71, cylinder; 72, connecting plate; 73, intake pipe; 80, refrigerator. Detailed implementation manners

[0020] To make the objectives, technical solutions and advantages of the present invention clearer, the following will further describe in detail the implementation manners of the present invention in conjunction with the accompanying drawings.

[0021] The present invention is based on Figures 1-7 , and provides a purification box 10, an exhaust pipe 11 is installed on the purification box 10, and an electromagnetic valve is provided on the exhaust pipe 11. It further includes: An adsorption assembly for adsorbing and treating flue gas, and the adsorption assembly is arranged inside the purification box 10; A washing assembly for spraying the flue gas, and the washing assembly is arranged in the adsorption assembly; A condensation assembly for cooling the flue gas, and the condensation assembly is arranged on the side of the purification box 10; The adsorption assembly includes: A first hollow tube 20 with filter holes opened thereon, several first hollow tubes 20 are arranged in a ring, and each two groups of first hollow tubes 20 are connected by a connection assembly. A rotating assembly is arranged in the purification box 10 to control the rotation of one group of first hollow tubes 20; wherein, a sealing strip can be arranged at the connection of two groups of first hollow tubes 20 according to requirements.

[0022] Baffles 21, and baffles 21 are fixedly installed at both ends of the first hollow tube 20; Activated carbon 22, and the activated carbon 22 is arranged in the first hollow tube 20; The condensation assembly includes: A refrigerator 80, and the refrigerator 80 is fixedly installed on the bottom side wall of the purification box 10; wherein, the refrigerator 80 refers to a machine that can transfer the heat of a cooled object with a lower temperature to the environmental medium to obtain cold energy.

[0023] A cold air pipe, and the cold air pipe is fixedly installed on the cold air outlet of the refrigerator 80, and the output end of the cold air pipe is communicated with the purification box 10.

[0024] The connection assembly includes: The first box body 30 is fixedly installed on the baffle 21; The first servo motor 31 is fixedly installed in the first box body 30, and several first hollow tubes 20 are controlled by the first servo motor 31 to rotate and expand; The square plate 32 is fixedly installed on the output shaft of the first servo motor 31; The second hollow tube 33 is fixed to the square plate 32, one end of the second hollow tube 33 is fixedly installed on the baffle 21, and two adjacent groups of second hollow tubes 33 are arranged oppositely.

[0025] The rotating assembly includes: The rotating shaft 50 is rotatably connected in the purification box 10 through a bearing, and a group of first hollow tubes 20 are fixedly installed at the bottom of the rotating shaft 50; The second box body 51 is fixedly installed at the upper end of the purification box 10; The second servo motor 52 is fixedly installed in the second box body 51, and the output shaft of the second servo motor 52 is fixedly installed with the rotating shaft 50.

[0026] It further includes: The washing assembly includes: The storage tank 40 with washing liquid in its inner cavity is fixed to the rotating shaft 50; The water pump 41 is fixedly installed on the side wall of the storage tank 40; The pipeline 42 is fixedly installed on the liquid inlet end of the water pump 41, and one end of the pipeline 42 is arranged in the storage tank 40; The rigid tube is fixedly installed on the liquid outlet end of the water pump 41; The flexible hose 43, one end of the rigid tube is fixedly connected to several flexible hoses 43 through a multi-way joint, and one end of the flexible hose 43 is rotatably connected in the second hollow tube 33 through a bearing; The third hollow tube 44 is fixedly installed in the first hollow tube 20, and the third hollow tube 44 is communicated with the second hollow tube 33; The fourth hollow tube 45, several fourth hollow tubes 45 are fixedly installed on the side wall of the third hollow tube 44, and the fourth hollow tube 45 passes through the activated carbon 22; The one-way valve 46 is fixedly installed at one end of the fourth hollow tube 45.

[0027] A cylinder 71 is installed on the left side of the purification box 10. The cylinder 71 is fixedly installed with a connecting plate 72 through a piston rod. The top left side of the purification box 10 is slidably connected with an air inlet pipe 73, and the top end of the air inlet pipe 73 is fixedly installed with the connecting plate 72. One end of the air inlet pipe 73 is inserted into the space formed by a number of first hollow tubes 20. Among them, the inner cavity of the air inlet pipe 73 can be connected to an external flue gas pipe. In addition, a sealing strip can be set at the connection between the air inlet pipe 73 and the purification box 10, and a sealing strip can be set at the connection between the air inlet pipe 73 and the first hollow tube 20 according to requirements.

[0028] It also includes: a cleaning component for removing impurities in the space formed by a number of first hollow tubes 20, and the cleaning component is arranged on the first hollow tube 20; The cleaning component includes: Two support blocks 60 are arranged in the space formed by a number of first hollow tubes 20, and the two support blocks 60 are fixed on the first hollow tube 20 fixed to the rotating shaft 50; A screw rod 61 is rotatably connected to the support block 60 through a bearing; A slider 62 is threadedly connected to the screw rod 61; Brush filaments 63 are arranged on the outer surface of the slider 62, and the brush filaments 63 are in contact with the first hollow tube 20; A guide rod 64 is fixedly installed on the support block 60, and the slider 62 is slidably connected to the guide rod 64; A third box body 65 is fixed on the support block 60 on the side away from the air inlet pipe 73; A third servo motor 66 is fixedly installed in the third box body 65, and the output shaft of the third servo motor 66 is fixedly connected to the screw rod 61.

[0029] The cleaning component also includes: Through holes 67 are opened at both ends of the slider 62; Fans 68 are fixedly installed in the through holes 67.

[0030] An exhaust gas treatment device for the production of brominated epoxy resin, and its specific operation steps are as follows: Step 1: Make the flue gas enter the space formed by a number of first hollow tubes 20 through the air inlet pipe 73. At this time, the flue gas will flow into the purification box 10 through the activated carbon 22. During this process, harmful substances in the flue gas will be adsorbed; Step 2: When the amount of flue gas in the purification box 10 reaches the set capacity, first stop transporting the flue gas, and then rotate the square plate 32 to drive the second hollow tube 33 through the first servo motor 31. Based on this, until a number of first hollow tubes 20 are arranged in a straight line; Step 3: Move the intake pipe 73 to the left through the air cylinder 71 until the intake pipe 73 is staggered from the first hollow pipe 20; Step 4: After several first hollow pipes 20 are arranged in a straight line, make the cleaning liquid in the storage tank 40 enter the third hollow pipe 44 through the water pump 41, the hose 43 and the second hollow pipe 33. After entering the fourth hollow pipe 45, it flows out through the one-way valve 46 and is sprayed on the flue gas to absorb soluble harmful substances. At the same time, make several first hollow pipes 20 arranged in a straight line rotate through the second servo motor 52. Thus, the flue gas can be evenly sprayed; Step 5: After the spraying is completed, inject cold energy into the purification box 10 through the refrigerator 80 and the cold air pipe to cool the flue gas. The condensation component can condense the organic solvents (such as toluene) in the waste gas into liquid, which is convenient for recycling and reduces resource waste.

[0031] During the whole process, the screw 61 can be rotated through the third servo motor 66 to make the slider 62 move reciprocally. When the slider 62 moves reciprocally, the impurities remaining on the first hollow pipe 20 will be removed by the brush filaments 63. At the same time, the impurities scraped out will be blown into the purification box 10 through the fan 68.

[0032] In addition, when the activated carbon 22 is saturated, hot air can be injected into the purification box 10 to heat the activated carbon 22 so that the activated carbon 22 can be released and recycled.

[0033] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any way. The reason for not exhaustively describing the situations of these combinations in this specification is only to save space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An exhaust gas treatment device for the production of brominated epoxy resin, comprising a purification tank (10), and an exhaust pipe (11) is installed on the purification tank (10), characterized in that, Further included are: An adsorption component for adsorbing flue gas, and the adsorption component is arranged inside the purification box (10); A washing component for spraying the flue gas, and the washing component is arranged in the adsorption component; A condensation component for cooling the flue gas, and the condensation component is arranged on the side of the purification box (10); The adsorption component includes: A first hollow tube (20) with filter holes formed therein, several of the first hollow tubes (20) are arranged in a ring, and every two groups of the first hollow tubes (20) are connected by a connection component, and a rotation component is arranged in the purification box (10) to control the rotation of one group of the first hollow tubes (20); Baffles (21), and baffles (21) are fixedly installed at both ends of the first hollow tube (20); Activated carbon (22), and the activated carbon (22) is arranged in the first hollow tube (20); The condensation component includes: A refrigerator (80), and the refrigerator (80) is fixedly installed on the bottom side wall of the purification box (10); A cold air pipe, and the cold air pipe is fixedly installed at the cold air outlet of the refrigerator (80), and the output end of the cold air pipe is communicated with the purification box (10).

2. The waste gas treatment device for the production of brominated epoxy resin according to claim 1, wherein The connection component includes: A first box body (30), and the first box body (30) is fixedly installed on the baffle (21); A first servo motor (31), and the first servo motor (31) is fixedly installed in the first box body (30) to control the rotation and expansion of several of the first hollow tubes (20); A square plate (32), and the output shaft of the first servo motor (31) is fixedly installed with the square plate (32); A second hollow tube (33), the square plate (32) is fixed to the second hollow tube (33), one end of the second hollow tube (33) is fixedly installed on the baffle (21), and adjacent two groups of the second hollow tubes (33) are arranged oppositely.

3. An exhaust gas treatment device for the production of brominated epoxy resin according to claim 1, characterized in that, The rotation component includes: A rotating shaft (50), and the rotating shaft (50) is rotatably connected in the purification box (10) through a bearing, and a group of the first hollow tubes (20) is fixedly installed at the bottom of the rotating shaft (50); A second box body (51), and the second box body (51) is fixedly installed on the upper end of the purification box (10); A second servo motor (52), and the second servo motor (52) is fixedly installed in the second box body (51), and the output shaft of the second servo motor (52) is fixedly installed with the rotating shaft (50).

4. The waste gas treatment device for the production of brominated epoxy resin according to claim 2, characterized in that, The washing component includes: A storage tank (40) with washing liquid arranged in its inner cavity, and the storage tank (40) is fixed to the rotating shaft (50); A water pump (41), and the water pump (41) is fixedly installed on the side wall of the storage tank (40); A pipeline (42), and the pipeline (42) is fixedly installed at the liquid inlet end of the water pump (41), and one end of the pipeline (42) is arranged in the storage tank (40); A rigid pipe, and the rigid pipe is fixedly installed at the liquid outlet end of the water pump (41); A flexible pipe (43), one end of the rigid pipe is fixedly connected with several flexible pipes (43) through a multi-way joint, and one end of the flexible pipe (43) is rotatably connected in the second hollow tube (33) through a bearing; A third hollow tube (44), the third hollow tube (44) is fixedly installed in the first hollow tube (20), and the third hollow tube (44) communicates with the second hollow tube (33); A fourth hollow tube (45), a plurality of fourth hollow tubes (45) are fixedly installed on the side wall of the third hollow tube (44), and the fourth hollow tubes (45) pass through the activated carbon (22); A one-way valve (46), the one-way valve (46) is fixedly installed at one end of the fourth hollow tube (45).

5. An exhaust gas treatment device for the production of brominated epoxy resin according to claim 1, wherein, A cylinder (71) is installed on the left side of the purification box (10), the cylinder (71) is fixedly installed with a connecting plate (72) through a piston rod, the left top end of the purification box (10) is slidably connected with an air inlet pipe (73), and the top end of the air inlet pipe (73) is fixedly installed with the connecting plate (72), and one end of the air inlet pipe (73) is inserted into the space formed by a plurality of first hollow tubes (20).

6. The waste gas treatment device for the production of brominated epoxy resin according to claim 1, characterized in that, It further includes: A cleaning assembly for removing impurities in the space formed by a plurality of first hollow tubes (20), and the cleaning assembly is arranged on the first hollow tube (20).

7. An exhaust gas treatment device for the production of brominated epoxy resin according to claim 6, characterized in that, The cleaning assembly includes: Two support blocks (60), the two support blocks (60) are arranged in the space formed by a plurality of first hollow tubes (20), and the two support blocks (60) are fixed on the first hollow tube (20) fixed to the rotating shaft (50); A screw rod (61), the screw rod (61) is rotatably connected to the support block (60) through a bearing; A slider (62), the slider (62) is threadedly connected to the screw rod (61); Brush filaments (63), a plurality of brush filaments (63) are arranged on the outer surface of the slider (62), and the brush filaments (63) are in contact with the first hollow tube (20); A guide rod (64), the guide rod (64) is fixedly installed on the support block (60), and the slider (62) is slidably connected to the guide rod (64); A third box body (65), the third box body (65) is fixed on the support block (60) on the side away from the air inlet pipe (73); A third servo motor (66), the third servo motor (66) is fixedly installed in the third box body (65), and the output shaft of the third servo motor (66) is fixedly connected to the screw rod (61).

8. An exhaust gas treatment device for the production of brominated epoxy resin according to claim 7, characterized in that, The cleaning assembly further includes: Through holes (67), through holes (67) are opened at both ends of the slider (62); Fans (68), the fans (68) are fixedly installed in the through holes (67).

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