A petrochemical nitrile-containing wastewater treatment device

Abstract

The invention discloses a petrochemical wastewater treatment device containing nitrile, and relates to the technical field of wastewater treatment. The petrochemical wastewater treatment device containing nitrile comprises a treatment frame, a servo motor is fixedly installed below the treatment frame, a transmission shaft is fixedly installed at the output end of the servo motor, and the transmission shaft rotates and penetrates the bottom of the treatment frame. The device also comprises a feeding device, which comprises a temporary storage box, a feeding pipe, a discharging pipe, a receiving rod, a toothed disc, a pressing plate, a feeding pipe, a stirring rod, a fixing rod, a cover plate, a tooth block and a discharge pipe. The petrochemical wastewater treatment device containing nitrile enables the pressing plate to move up and down to discharge reactants through the feeding pipe and the discharge pipe, and evenly puts them in various height intervals of the treatment frame to achieve control of the reaction rate. At the same time, through quantitative multiple discharge of the reactants, the reaction is carried out within a controllable range, and the stability and high efficiency of the reaction are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, in particular to a device for treating nitrile-containing wastewater in petrochemical industry. Background Art

[0002] The petrochemical nitrile wastewater treatment device is specially used to treat wastewater containing cyanide (nitrile) components generated in the petrochemical production process. Cyanide is a type of toxic chemical substance. If it is discharged directly into the environment without treatment, it will cause serious pollution to the water body and ecological environment, and pose a threat to human health.

[0003] The patent with the patent announcement number CN106673278B relates to a petrochemical cyanide wastewater treatment process and device; the process uses a flotation device to remove petroleum and suspended matter, and then the pH is adjusted to 10-13, and a catalytic reaction is carried out under the action of ultraviolet light, and then ozone is dispersed to the micro-nano level by a micro-nano bubble generator to carry out a cyanide oxidation reaction; the device mainly includes a flotation device, a pH adjustment tank, a catalytic reaction tank, an oxidation reaction tank, a pH adjustment tank, an ozone generator and a micro-nano bubble generator, etc.; the catalytic reaction tank and the oxidation reaction tank are set as concentric cylindrical structures to avoid reaction dead corners and uneven reactions, and the pH adjustment tank is integrated with the catalytic reaction tank and the oxidation reaction tank, and the top is sealed and an exhaust port is set to ensure the full collection of the overflow gas. The process and device can effectively treat complex cyanide and free cyanide, and have an excellent effect on complex cyanide, so that the total cyanide is reduced to below the emission standard, and the treatment cost is relatively low.

[0004] In the above patent, complexed cyanide and free cyanide can be effectively treated, and the complexed cyanide is extremely effective, so that the total cyanide is reduced to below the emission standard, and the treatment cost is relatively low. However, in the process of adding the reactant, the reactant is added to the surface of the liquid, which may affect the reaction effect on the wastewater, making it difficult for the bottom of the wastewater to fully contact with the reactant, thereby reducing the reaction efficiency. For this reason, a petrochemical nitrile wastewater treatment device with a better feeding device is designed. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a petrochemical nitrile-containing wastewater treatment device, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a petrochemical nitrile-containing wastewater treatment device, comprising a treatment frame, a servo motor is fixedly installed at the bottom of the treatment frame, a transmission shaft is fixedly installed at the output end of the servo motor, the transmission shaft rotates and penetrates the bottom of the treatment frame, a water inlet pipe is fixedly penetrated on the surface of the treatment frame, a water outlet pipe is fixedly penetrated at the bottom of the treatment frame, a mounting plate is fixedly installed inside the treatment frame, and also includes: a feeding device, the feeding device includes a temporary storage box, a feed pipe, a discharge pipe, a receiving rod, a toothed disc, a pressure plate, a feed pipe, a stirring rod, a fixed rod, a cover plate, a tooth block and a discharge pipe, the output end of the servo motor rotates to drive the transmission shaft to rotate, the transmission shaft rotates to drive the feed pipe to rotate, the feed pipe rotates to drive the stirring rod to rotate, the stirring rod rotates to stir the wastewater, and the temporary storage box The upper and lower walls of the mounting plate are fixedly passed through, the feed pipe is fixedly passed through the top of the temporary storage box, the discharge pipe is fixedly passed through the bottom of the temporary storage box, the receiving rod rotates and passes through the bottom of the discharge pipe, the toothed disc is fixedly installed at the bottom of the receiving rod, the pressure plate is slidably installed on the inner wall of the discharge pipe, the delivery pipe is fixedly installed on the circumferential surface of the transmission shaft, the stirring rod is fixedly installed on the circumferential surface of the delivery pipe, the fixed rod is fixedly installed below the mounting plate, the cover plate is fixedly installed below the fixed rod, the tooth block is fixedly installed on the circumferential surface of the delivery pipe, the discharge pipe is fixedly passed through the inner and outer walls of the delivery pipe, the discharge pipe is connected to the delivery pipe through a conduit, when the pressure plate moves upward, the reactant stored in the temporary storage box enters the interior of the discharge pipe, and when the pressure plate moves downward, the reactant in the discharge pipe is introduced into the interior of the delivery pipe through the conduit.

[0007] According to the above technical scheme, the discharge pipe is fixedly passed through the stirring rod, the toothed disc is meshed with the tooth block, a feed port is opened above the conveying pipe, the cover plate is in contact with the inner wall of the feed port, a reciprocating thread groove is opened on the surface of the receiving rod, the pressure plate and the receiving rod are connected through the reciprocating thread groove, the feed pipe is fixedly passed through the top of the processing frame, and the bottom of the inner wall of the temporary storage box is set as a bevel surface 1. The receiving rod rotates through the reciprocating thread groove to drive the pressure plate to move back and forth up and down, thereby realizing quantitative multiple discharge of the reactants, so that the reaction is carried out within a controllable range, and the stability and efficiency of the reaction are guaranteed.

[0008] According to the above technical scheme, a stabilizing device for maintaining the internal air pressure of the processing frame is provided on the surface of the mounting plate, the stabilizing device includes a buffer frame and a pressure relief pipe, the buffer frame is fixedly passed through the upper and lower walls of the mounting plate, the pressure relief pipe is fixedly passed through the top of the buffer frame, the stabilizing device also includes a pressure relief frame, a breathable frame, a lifting rod, a receiving plate and a rotating rod, when the air pressure inside the processing frame increases, the pressure relief frame will be squeezed to move upward, the pressure relief frame slides through the bottom of the buffer frame, the breathable frame is slidably installed on the inner wall of the buffer frame, the lifting rod is fixedly passed through the upper and lower walls of the pressure relief frame, the receiving plate is fixedly installed below the lifting rod, the rotating rod is fixedly installed on the circumferential surface of the conveying pipe, the receiving plate moves upward to drive the breathable frame to move upward, and the breathable frame moves upward to realize up and down swinging under the action of spring No. 1.

[0009] According to the above technical solution, the upper part of the lifting rod is fixedly connected to the lower part of the air-permeable frame, a pressure relief port is opened on the surface of the pressure relief frame, and the pressure relief pipe is fixedly passed through the top of the processing frame. The pressure relief frame moves upward to drive the lifting rod to move upward, and the lifting rod moves upward to drive the receiving plate to move upward.

[0010] According to the above technical solution, the surface of the receiving plate is set as bevel surface 2, activated carbon is stored inside the breathable frame, and a No. 1 spring is arranged between the breathable frame and the buffer frame. The No. 1 spring can drive the breathable frame to reset, and the gas generated by the reaction inside the processing frame is adsorbed by the activated carbon during the process of being discharged to the outside.

[0011] According to the above technical solution, it also includes a limiting device, which includes a T-shaped rod, a fixed plate, a limit plate, a conduction rod, a U-shaped rod and a partition frame. The air permeable frame continues to move upward to contact and squeeze the T-shaped rod to move in a direction away from the buffer frame. The movement of the T-shaped rod drives the limit plate to move. The T-shaped rod is slidably installed above the mounting plate, the fixed plate is fixedly installed above the mounting plate, the limit plate is slidably installed above the mounting plate, the conduction rod slides through the top of the temporary storage box, the U-shaped rod is fixedly installed above the conduction rod, and the partition frame is fixedly installed below the conduction rod. The conduction rod moves downward to drive the partition frame to move downward, and the partition frame moves downward to contact and close the top of the discharge pipe.

[0012] According to the above technical solution, the side of the T-shaped rod away from the limiting plate slides through the inner and outer walls of the buffer frame, and the end of the T-shaped rod located inside the buffer frame is set as a beveled surface three. The air vent frame moves upward and drives the T-shaped rod to move through the beveled surface three. A limiting groove is provided on the surface of the limiting plate. The limiting plate moves so that the limiting groove on its surface coincides with the bottom of the U-shaped rod, and the limitation on the U-shaped rod is released.

[0013] According to the above technical solution, a telescopic elastic rod is arranged between the T-shaped rod and the fixed plate, and the telescopic elastic rod can drive the T-shaped rod to reset. A No. 2 spring is arranged between the partition frame and the top of the inner wall of the temporary storage box. After the limit is released, the U-shaped rod moves downward under the action of the No. 2 spring, and the downward movement of the U-shaped rod drives the conduction rod to move downward.

[0014] The present invention provides a petrochemical nitrile wastewater treatment device, which has the following beneficial effects:

[0015] (1) The petrochemical wastewater treatment device containing nitrile, through the coordinated operation of the temporary storage box, the feed pipe, the discharge pipe, the receiving rod, the toothed disc, the pressing plate, the feed pipe, the stirring rod, the fixed rod, the cover plate, the tooth block and the discharge pipe, enables the pressing plate to move up and down to discharge the reactants through the feed pipe and the discharge pipe, and evenly discharge them in various height intervals of the treatment frame, thereby realizing the control of the reaction rate. At the same time, through the quantitative multiple discharge of the reactants, the reaction is carried out within a controllable range, thereby ensuring the stability and high efficiency of the reaction.

[0016] (2) The petrochemical wastewater treatment device containing nitrile, through the coordinated operation of the buffer frame, the pressure relief pipe, the pressure relief frame, the breathable frame, the lifting rod, the receiving plate and the rotating rod, allows the gas generated inside the treatment frame to be adsorbed by the activated carbon and then discharged to the outside, thereby preventing harmful substances from directly escaping to the outside and causing harm to the workers. At the same time, the stability of the air pressure inside the treatment frame can be effectively maintained. At the same time, the breathable frame moves upward and swings up and down under the action of the No. 1 spring. The up and down swing of the breathable frame can increase the contact area between the activated carbon and the by-product gas, further improving the adsorption effect of the harmful substances therein and maintaining the safety of the working environment.

[0017] (3) The petrochemical nitrile wastewater treatment device, through the coordinated operation of the T-shaped rod, the fixed plate, the limit plate, the conduction rod, the U-shaped rod and the partition frame, enables the limit plate to move and contact the limit of the U-shaped rod, and under the action of the No. 2 spring, drives the partition frame to move downward to contact and seal the top of the discharge pipe, thereby preventing the reactant from being added further, effectively avoiding the risk of overpressure, protecting the safety of the equipment, and at the same time facilitating the maintenance of the equipment through the telescopic elastic rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the processing frame of the present invention;

[0020] Figure 3 This is a schematic diagram of the position structure of the feed pipe and the discharge pipe of the present invention;

[0021] Figure 4 For the present invention Figure 3 The enlarged structural diagram of part A in the middle;

[0022] Figure 5 This is a schematic diagram of the position structure of the temporary storage box and the partition frame of the present invention;

[0023] Figure 6 For the present invention Figure 5 The enlarged structural diagram of part B in the middle;

[0024] Figure 7 It is a schematic diagram of the internal structure of the buffer frame of the present invention.

[0025] In the figure: 1. processing frame; 2. servo motor; 3. transmission shaft; 4. water inlet pipe; 5. water outlet pipe; 6. mounting plate; 7. temporary storage box; 8. feed pipe; 9. discharge pipe; 10. receiving rod; 11. toothed disc; 12. pressing plate; 13. feeding pipe; 14. stirring rod; 15. fixing rod; 16. cover plate; 17. tooth block; 18. discharge pipe; 191. buffer frame; 192. pressure relief pipe; 193. pressure relief frame; 194. ventilation frame; 195. lifting rod; 196. receiving plate; 197. rotating rod; 198. spring No. 1; 201. T-shaped rod; 202. fixing plate; 203. limiting plate; 204. conduction rod; 205. U-shaped rod; 206. partition frame; 207. telescopic elastic rod; 208. spring No. 2. DETAILED DESCRIPTION

[0026] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 7, one embodiment of the present invention is: a petrochemical nitrile-containing wastewater treatment device, comprising a treatment frame 1, a servo motor 2 is fixedly installed at the bottom of the treatment frame 1, a transmission shaft 3 is fixedly installed at the output end of the servo motor 2, the transmission shaft 3 rotates and penetrates the bottom of the treatment frame 1, a water inlet pipe 4 is fixedly penetrated on the surface of the treatment frame 1, a water outlet pipe 5 is fixedly penetrated at the bottom of the treatment frame 1, and a mounting plate 6 is fixedly installed inside the treatment frame 1, and also includes: a feeding device, the feeding device includes a temporary storage box 7, a feed pipe 8, a discharge pipe 9, a receiving rod 10, a toothed disc 11, a pressing plate 12, a feed pipe 13, a stirring rod 14, a fixed rod 15, a cover plate 16, a tooth block 17 and a discharge pipe 18, the output end of the servo motor 2 rotates to drive the transmission shaft 3 to rotate, the transmission shaft 3 rotates to drive the feed pipe 13 to rotate, the feed pipe 13 rotates to drive the stirring rod 14 to rotate, and the stirring rod 14 rotates to stir the wastewater, the temporary storage box 7 is fixed to penetrate the upper and lower walls of the mounting plate 6, the feed pipe 8 is fixed to penetrate the top of the temporary storage box 7, and the discharge pipe 18 is fixed to the top of the temporary storage box 7. The pipe 9 is fixedly passed through the bottom of the temporary storage box 7, the receiving rod 10 rotates and passes through the bottom of the discharge pipe 9, the toothed disc 11 is fixedly installed at the bottom of the receiving rod 10, the pressing plate 12 is slidably installed on the inner wall of the discharge pipe 9, the feeding pipe 13 is fixedly installed on the circumferential surface of the transmission shaft 3, the stirring rod 14 is fixedly installed on the circumferential surface of the feeding pipe 13, the fixing rod 15 is fixedly installed below the mounting plate 6, the cover plate 16 is fixedly installed below the fixing rod 15, the tooth block 17 is fixedly installed on the circumferential surface of the feeding pipe 13, the discharge pipe 18 is fixedly passed through the inner and outer walls of the feeding pipe 13, the discharge pipe 9 is connected with the feeding pipe 13 through a conduit, when the pressing plate 12 moves upward, the reactant stored in the temporary storage box 7 enters the inside of the discharge pipe 9, when the pressing plate 12 moves downward, the reactant in the discharge pipe 9 is introduced into the inside of the feeding pipe 13 through the conduit, and under the action of the discharge pipe 18, the reactant is evenly placed in each height interval of the processing frame 1, so as to control the reaction rate and avoid the reaction from occurring too quickly.

[0028] The discharge pipe 18 is fixedly passed through the stirring rod 14, the toothed disc 11 is meshed with the tooth block 17, a feed port is provided above the conveying pipe 13, the cover plate 16 is in contact with the inner wall of the feed port, a reciprocating thread groove is provided on the surface of the receiving rod 10, the pressing plate 12 is connected to the receiving rod 10 through the reciprocating thread groove, the feed pipe 8 is fixedly passed through the top of the processing frame 1, and the bottom of the inner wall of the temporary storage box 7 is set as a beveled surface 1. The receiving rod 10 rotates through the reciprocating thread groove to drive the pressing plate 12 to move back and forth up and down, thereby realizing quantitative multiple discharge of the reactants, so that the reaction is carried out within a controllable range, and the stability and efficiency of the reaction are guaranteed.

[0029] When the present embodiment is working, wastewater is introduced into the interior of the treatment frame 1 through the water inlet pipe 4, and the reactant is introduced into the interior of the temporary storage box 7 through the feed pipe 8, and then the servo motor 2 is started, and the output end of the servo motor 2 rotates to drive the transmission shaft 3 to rotate, and the transmission shaft 3 rotates to drive the feed pipe 13 to rotate, and the feed pipe 13 rotates to drive the stirring rod 14 to rotate, and the stirring rod 14 rotates to stir the wastewater. In this process, the feed pipe 13 rotates to drive the gear block 17 to revolve around the transmission shaft 3, and the gear block 17 revolves to drive the gear disc 11 to rotate, and the gear disc 11 rotates to drive the receiving rod 10 to rotate, and the receiving rod 10 rotates to pass The reciprocating thread groove drives the pressure plate 12 to reciprocate up and down. When the pressure plate 12 moves upward, the reactants stored in the temporary storage box 7 enter the inside of the discharge pipe 9. When the pressure plate 12 moves downward, the reactants in the discharge pipe 9 are introduced into the inside of the feed pipe 13 through the conduit, and under the action of the discharge pipe 18, the reactants are evenly placed in various height intervals of the processing frame 1, so as to control the reaction rate, avoid the reaction from occurring too quickly, and generate a large amount of gas and heat, and through the quantitative multiple discharge of the reactants, the reaction is carried out within a controllable range, ensuring the stability and efficiency of the reaction.

[0030] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention, a stabilizing device for maintaining the internal air pressure of the processing frame 1 is provided on the surface of the mounting plate 6, and the stabilizing device includes a buffer frame 191 and a pressure relief pipe 192. The buffer frame 191 is fixedly passed through the upper and lower walls of the mounting plate 6, and the pressure relief pipe 192 is fixedly passed through the top of the buffer frame 191. The stabilizing device also includes a pressure relief frame 193, a breathable frame 194, a lifting rod 195, a receiving plate 196 and a rotating rod 197. When the air pressure inside the processing frame 1 increases, the pressure relief frame 193 will be squeezed to move upward, and the pressure relief frame 193 slides through the buffer frame 19 1, the air frame 194 is slidably installed on the inner wall of the buffer frame 191, the lifting rod 195 is fixedly installed through the upper and lower walls of the pressure relief frame 193, the receiving plate 196 is fixedly installed below the lifting rod 195, and the rotating rod 197 is fixedly installed on the circumferential surface of the conveying pipe 13. The receiving plate 196 moves upward to drive the air frame 194 to move upward. The air frame 194 moves upward and swings up and down under the action of the No. 1 spring 198. The up and down swing of the air frame 194 can increase the contact area between the activated carbon and the by-product gas, further improve the adsorption effect of harmful substances therein, and maintain the safety of the working environment.

[0031] The upper part of the lifting rod 195 is fixedly connected to the lower part of the air-permeable frame 194, a pressure relief port is provided on the surface of the pressure relief frame 193, and the pressure relief pipe 192 is fixedly passed through the top of the processing frame 1. The pressure relief frame 193 moves upward to drive the lifting rod 195 to move upward, and the lifting rod 195 moves upward to drive the receiving plate 196 to move upward.

[0032] The surface of the receiving plate 196 is set as bevel surface 2, activated carbon is stored inside the air permeable frame 194, and a spring No. 198 is arranged between the air permeable frame 194 and the buffer frame 191. The spring No. 198 can drive the air permeable frame 194 to reset. The gas generated by the internal reaction of the processing frame 1 is adsorbed by the activated carbon during the process of being discharged to the outside, so as to prevent the harmful substances from directly escaping to the outside and causing harm to the staff.

[0033] It also includes a limiting device, which includes a T-shaped rod 201, a fixed plate 202, a limit plate 203, a conduction rod 204, a U-shaped rod 205 and a partition frame 206. The air permeable frame 194 continues to move upward to contact and squeeze the T-shaped rod 201 to move in a direction away from the buffer frame 191. The movement of the T-shaped rod 201 drives the limit plate 203 to move. The T-shaped rod 201 is slidably installed on the top of the mounting plate 6, the fixed plate 202 is fixedly installed on the top of the mounting plate 6, the limit plate 203 is slidably installed on the top of the mounting plate 6, the conduction rod 204 slides through the top of the temporary storage box 7, the U-shaped rod 205 is fixedly installed on the top of the conduction rod 204, and the partition frame 206 is fixedly installed on the bottom of the conduction rod 204. The conduction rod 204 moves downward to drive the partition frame 206 to move downward. The partition frame 206 moves downward to contact and seal the top of the discharge pipe 9 to prevent the reactant from continuing to be added, effectively avoid the risk of overpressure, protect the safety of the equipment, and improve the reaction efficiency.

[0034] The side of the T-shaped rod 201 away from the limiting plate 203 slides through the inner and outer walls of the buffer frame 191. The end of the T-shaped rod 201 located inside the buffer frame 191 is set as a beveled surface three. The air permeable frame 194 moves upward to drive the T-shaped rod 201 to move through the beveled surface three. A limiting groove is provided on the surface of the limiting plate 203. The limiting plate 203 moves so that the limiting groove on its surface coincides with the bottom of the U-shaped rod 205, and the limitation on the U-shaped rod 205 is released.

[0035] A telescopic elastic rod 207 is arranged between the T-shaped rod 201 and the fixed plate 202, and the telescopic elastic rod 207 can drive the T-shaped rod 201 to reset. A No. 2 spring 208 is arranged between the partition frame 206 and the top of the inner wall of the temporary storage box 7. After the limit is released, the U-shaped rod 205 moves downward under the action of the No. 2 spring 208, and the U-shaped rod 205 moves downward to drive the conduction rod 204 to move downward, and the conduction rod 204 moves downward to drive the partition frame 206 to move downward, and the partition frame 206 moves downward to contact and close the top of the discharge pipe 9 to prevent the reactant from continuing to be added.

[0036] When this embodiment is working: the wastewater in the treatment frame 1 will decompose and produce by-product gas during the reaction process, and increase the air pressure inside the treatment frame 1. When the air pressure increases, the efficiency of by-product gas generation will be further increased. When the air pressure inside the treatment frame 1 increases, the pressure relief frame 193 will be squeezed to move upward. The upward movement of the pressure relief frame 193 will cause the gas inside the treatment frame 1 to be discharged into the interior of the buffer frame 191 through the pressure relief port, and discharged to the outside through the air permeable frame 194 and the pressure relief pipe 192. The gas generated by the reaction inside the treatment frame 1 will be adsorbed by the activated carbon during the process of being discharged to the outside, so as to prevent the harmful substances from directly escaping to the outside and causing harm to the staff. At the same time, it can effectively maintain the stability of the air pressure inside the treatment frame 1, and prevent the air pressure inside the treatment frame 1 from gradually increasing, leading to the decomposition of the reactants. The efficiency is increased, which in turn affects the reaction effect of the reactant on the wastewater and improves the utilization rate of the reactant. In this process, the pressure relief frame 193 moves upward, driving the lifting rod 195 to move upward, and the lifting rod 195 moves upward, driving the receiving plate 196 to move upward, and the receiving plate 196 moves upward into the movement trajectory of the rotating rod 197. At this time, the feed pipe 13 rotates and drives the rotating rod 197 to revolve around the transmission shaft 3. The rotating rod 197 revolves, contacts and squeezes the receiving plate 196 to move upward, and the receiving plate 196 moves upward, driving the air frame 194 to move upward. The air frame 194 moves upward and swings up and down under the action of the No. 1 spring 198. The up and down swinging of the air frame 194 can increase the contact area between the activated carbon and the by-product gas, further improve the adsorption effect of harmful substances therein, and maintain the safety of the working environment.

[0037] When the air pressure inside the processing frame 1 reaches a certain threshold, the air permeable frame 194 continues to move upward to contact and squeeze the T-shaped rod 201 to move away from the buffer frame 191, and the movement of the T-shaped rod 201 drives the limit plate 203 to move, and the limit plate 203 moves so that the limit groove on its surface coincides with the bottom of the U-shaped rod 205, and the limit on the U-shaped rod 205 is released. After the limit is released, the U-shaped rod 205 moves downward under the action of the second spring 208, and the U-shaped rod 205 moves downward to drive the transmission rod 204 to move downward, and the transmission rod 204 moves downward to drive the partition frame 206 to move downward, and the partition frame 206 moves downward to contact and seal the top of the discharge pipe 9 to prevent the reactant from continuing to be added, effectively avoid the risk of overpressure, protect the safety of the equipment, and improve the reaction efficiency. When the T-shaped rod 201 moves, the telescopic elastic rod 207 is stretched. When it is necessary to reset, only the U-shaped rod 205 needs to be moved upward. The U-shaped rod 205 moves upward to disengage from the limiting groove on the surface of the limiting plate 203 and release the limit on the limiting plate 203. After the limit is released, the limiting plate 203 moves in the direction away from the U-shaped rod 205 under the action of the telescopic elastic rod 207, and the U-shaped rod 205 is limited again, reducing the subsequent maintenance cost.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A petrochemical nitrile wastewater treatment device, comprising a treatment frame (1), a servo motor (2) is fixedly installed below the treatment frame (1), a transmission shaft (3) is fixedly installed at the output end of the servo motor (2), the transmission shaft (3) rotates and penetrates the bottom of the treatment frame (1), a water inlet pipe (4) is fixedly penetrated on the surface of the treatment frame (1), a water outlet pipe (5) is fixedly penetrated at the bottom of the treatment frame (1), and a mounting plate (6) is fixedly installed inside the treatment frame (1), characterized in that: Also includes: A feeding device, the feeding device comprising a temporary storage box (7), a feed pipe (8), a discharge pipe (9), a receiving rod (10), a toothed disc (11), a pressure plate (12), a conveying pipe (13), a stirring rod (14), a fixing rod (15), a cover plate (16), a tooth block (17) and a discharge pipe (18), wherein the temporary storage box (7) is fixedly passed through the upper and lower walls of the mounting plate (6), the feed pipe (8) is fixedly passed through the top of the temporary storage box (7), the discharge pipe (9) is fixedly passed through the bottom of the temporary storage box (7), the receiving rod (10) is rotatably passed through the bottom of the discharge pipe (9), and the toothed disc (11) is fixedly mounted on the receiving rod (10). The bottom of the connecting rod (10), the pressing plate (12) is slidably mounted on the inner wall of the discharge pipe (9), the feed pipe (13) is fixedly mounted on the circumferential surface of the transmission shaft (3), the stirring rod (14) is fixedly mounted on the circumferential surface of the feed pipe (13), the fixed rod (15) is fixedly mounted below the mounting plate (6), the cover plate (16) is fixedly mounted below the fixed rod (15), the gear block (17) is fixedly mounted on the circumferential surface of the feed pipe (13), the discharge pipe (18) is fixedly mounted through the inner and outer walls of the feed pipe (13), and the discharge pipe (9) is connected to the feed pipe (13) through a conduit; A stabilizing device for maintaining the internal air pressure of the processing frame (1) is provided on the surface of the mounting plate (6), the stabilizing device comprising a buffer frame (191) and a pressure relief pipe (192), the buffer frame (191) being fixedly passed through the upper and lower walls of the mounting plate (6), and the pressure relief pipe (192) being fixedly passed through the top of the buffer frame (191).

2. A petrochemical nitrile-containing wastewater treatment device according to claim 1, characterized in that: The discharge pipe (18) is fixedly passed through the stirring rod (14), the toothed disc (11) is meshed with the tooth block (17), a feed port is provided above the conveying pipe (13), the cover plate (16) is in contact with the inner wall of the feed port, a reciprocating thread groove is provided on the surface of the receiving rod (10), the pressing plate (12) is connected to the receiving rod (10) via the reciprocating thread groove, the feed pipe (8) is fixedly passed through the top of the processing frame (1), and the bottom of the inner wall of the temporary storage box (7) is set as a beveled surface.

3. A petrochemical nitrile-containing wastewater treatment device according to claim 2, characterized in that: The stabilizing device further comprises a pressure relief frame (193), a breathable frame (194), a lifting rod (195), a receiving plate (196) and a rotating rod (197); the pressure relief frame (193) slides through the bottom of the buffer frame (191); the breathable frame (194) is slidably mounted on the inner wall of the buffer frame (191); the lifting rod (195) is fixedly mounted through the upper and lower walls of the pressure relief frame (193); the receiving plate (196) is fixedly mounted below the lifting rod (195); and the rotating rod (197) is fixedly mounted on the circumferential surface of the conveying pipe (13).

4. A petrochemical nitrile-containing wastewater treatment device according to claim 3, characterized in that: The upper part of the lifting rod (195) is fixedly connected to the lower part of the air-permeable frame (194); a pressure relief port is provided on the surface of the pressure relief frame (193); and the pressure relief pipe (192) is fixedly passed through the top of the processing frame (1).

5. A petrochemical nitrile-containing wastewater treatment device according to claim 4, characterized in that: The surface of the receiving plate (196) is arranged as a second beveled surface. Activated carbon is stored inside the air permeable frame (194). A first spring (198) is arranged between the air permeable frame (194) and the buffer frame (191).

6. A petrochemical nitrile-containing wastewater treatment device according to claim 5, characterized in that: The invention also comprises a limiting device, the limiting device comprising a T-shaped rod (201), a fixing plate (202), a limiting plate (203), a conducting rod (204), a U-shaped rod (205) and a partition frame (206), the T-shaped rod (201) being slidably mounted above the mounting plate (6), the fixing plate (202) being fixedly mounted above the mounting plate (6), the limiting plate (203) being slidably mounted above the mounting plate (6), the conducting rod (204) being slidably penetrated through the top of the temporary storage box (7), the U-shaped rod (205) being fixedly mounted above the conducting rod (204), and the partition frame (206) being fixedly mounted below the conducting rod (204).

7. A petrochemical nitrile-containing wastewater treatment device according to claim 6, characterized in that: The side of the T-shaped rod (201) away from the limiting plate (203) slides through the inner and outer walls of the buffer frame (191), one end of the T-shaped rod (201) located inside the buffer frame (191) is provided as a third beveled surface, and a limiting groove is provided on the surface of the limiting plate (203).

8. A petrochemical nitrile-containing wastewater treatment device according to claim 7, characterized in that: A telescopic spring rod (207) is provided between the T-shaped rod (201) and the fixed plate (202), and a No. 2 spring (208) is provided between the partition frame (206) and the top of the inner wall of the temporary storage box (7).

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