CN115738971A - Production system of sodium dichloroisocyanurate - Google Patents

Abstract

The application relates to a production system of sodium dichloroisocyanurate, relates to the technical field of chemical production, and aims to solve the problems that unreacted chlorine cannot be treated in the production process of sodium dichloroisocyanurate so that the environment can be polluted and the human health can be harmed. It includes reation kettle, reation kettle lateral wall intercommunication has the inlet pipe, reation kettle bottom wall intercommunication has intake pipe and discharging pipe, reation kettle top wall intercommunication has the outlet duct, be provided with in the reation kettle and promote the subassembly, it is used for improving the reaction degree of mixing of chlorine and cyanuric acid trisodium salt to promote the subassembly, the outlet duct intercommunication has verifying attachment, verifying attachment intercommunication has discharge pipe and back flow, the back flow deviates from verifying attachment's one end and passes the reation kettle diapire and with the inside intercommunication of reation kettle, discharge pipe and back flow and verifying attachment intercommunication department all are provided with the solenoid valve. The method has the advantages of improving the reaction mixing degree of the chlorine and the trisodium cyanurate, improving the utilization rate of the chlorine, detecting the content of the chlorine in the tail gas, and improving the cleanness of the discharged tail gas.

Description

Production system of sodium dichloroisocyanurate

Technical Field

The application relates to the technical field of chemical production, in particular to a production system of sodium dichloroisocyanurate.

Background

Sodium dichloroisocyanurate is a white powdery crystal at normal temperature, has chlorine smell, and is mainly applied to sterilization and disinfection of nonmetal instruments, tableware, environment and polluted articles.

In the related art, sodium dichloroisocyanurate is usually produced by a double decomposition method of trichloroisocyanuric acid, cyanuric acid and a sodium hydroxide solution are mixed according to a certain molar ratio, a neutralization reaction is carried out to generate trisodium cyanurate, chlorine gas is introduced into the trisodium cyanurate at an applicable temperature to be chlorinated into trichloroisocyanuric acid, the trichloroisocyanuric acid is centrifugally filtered to obtain trichloroisocyanuric acid slurry, and finally the trichloroisocyanuric acid slurry is introduced into the trisodium cyanurate solution to cause a double decomposition reaction to generate sodium dichloroisocyanurate.

In view of the above-mentioned related technologies, the inventors found that in the process of producing sodium dichloroisocyanurate, in order to increase the productivity of sodium dichloroisocyanurate, excess chlorine gas is generally introduced, and chlorine gas that does not participate in the reaction cannot be effectively treated, and thus, the harm to the environment and human body is caused, and thus the improvement is needed.

Disclosure of Invention

In order to treat redundant chlorine in the production process of sodium dichloroisocyanurate, the application provides a production system of sodium dichloroisocyanurate.

The production system of dichloro isocyanuric acid sodium that this application provided adopts following technical scheme:

a production system of sodium dichloroisocyanurate comprises a reaction kettle for reacting chlorine and trisodium cyanurate, wherein a feeding pipe is communicated with the side wall of the reaction kettle, an air inlet pipe for introducing chlorine and a discharging pipe for outputting generated materials are communicated with the bottom wall of the reaction kettle, an air outlet pipe is communicated with the top wall of the reaction kettle, a promoting component is arranged in the reaction kettle and used for improving the reaction mixing degree of chlorine and trisodium cyanurate, the air outlet pipe is communicated with a detection device for detecting residual chlorine in waste gas, the detection device is communicated with a discharge pipe and a return pipe, one end of the return pipe, which is far away from the detection device, penetrates through the bottom wall of the reaction kettle and is communicated with the interior of the reaction kettle, and electromagnetic valves are arranged at the communication parts of the discharge pipe and the return pipe and the detection device.

By adopting the technical scheme, the trisodium cyanurate for reaction is introduced into the reaction kettle through the feed pipe, so that the trisodium cyanurate is dissolved in water and forms aqueous solution of the trisodium cyanurate, chlorine gas is introduced into the reaction kettle through the gas inlet pipe, and the chlorine gas reacts with the trisodium cyanurate to generate trichloroisocyanuric acid for the subsequent working procedures to continue production and processing; the promotion component is started, so that the reaction mixing degree of the chlorine and the trisodium cyanurate is improved, the utilization rate of the chlorine is improved, and the chlorine in the reaction kettle is consumed as much as possible; the waste gas that production was accomplished will be through in the outlet duct discharge reation kettle, tail gas gets into testing arrangement after, testing arrangement will be to whether containing chlorine in the tail gas and detect, if it is qualified to detect, tail gas will be discharged through the discharge pipe, if it is unqualified to detect, the tail gas that contains chlorine just can let in reation kettle once more through the back flow and react, chlorine with containing in the consumption tail gas, this application can detect the chlorine content of tail gas when improving the reactivity of chlorine, discharge after can discharging in order to ensure the chlorine content in the tail gas, thereby can protect environment and human health, higher security and practicality have.

Preferably, the promoting assembly comprises a rotating motor, a rotating disc, a rotating ring, a plurality of first rotating tooth blocks connected to the outer wall of the rotating ring, a plurality of rotating shafts and a plurality of rotating gears, and the rotating shafts and the rotating gears correspond to each other one by one; the rotary motor is connected to the inside roof of reation kettle, the rolling disc is connected in the output shaft end wall of rotating the motor, the swivel becket is connected in the rolling disc diapire, axis of rotation one end is rotated with the inside diapire of reation kettle and is connected, the slewing gear is connected in the one end that corresponding axis of rotation is close to the rolling disc, each the slewing gear all meshes with first rotation tooth piece mutually, the axis of rotation outer wall is provided with a plurality of stirring vane.

Through adopting above-mentioned technical scheme, start the rotation motor, the output shaft that rotates the motor will drive the rolling disc and rotate, the rolling ring will be followed the rolling disc and rotate together, in the rolling ring pivoted, first rotation tooth piece and running gear meshing, thereby can drive the axis of rotation through the rotation of rolling ring and rotate, make the stirring vane of axis of rotation perisporium can carry out diversified stirring to the solution in the reation kettle, when chlorine gas passes through the solution, can produce a large amount of bubbles, stirring vane will make these some bubbles smashed, thereby can make chlorine can carry out the abundant reaction with the solution of bigger area in the reation kettle, can effectively increase the utilization ratio of chlorine, higher economic benefits has, make the content of chlorine still less in the tail gas of follow-up emission simultaneously, can effectively reduce the influence that tail gas caused environment and human health, higher security has.

Preferably, the promotion component further comprises a plurality of connecting plates and a plurality of scraping plates, the connecting plates and the scraping plates are in one-to-one correspondence, the connecting plates are all connected to the top wall of the rotating disc, one ends, deviating from the rotating disc, of the connecting plates are horizontally bent towards the inner wall of the reaction kettle, the scraping plates are connected to the end walls of the bent portions of the corresponding connecting plates, and the side walls of one sides of the scraping plates are abutted to the inner wall of the reaction kettle.

Through adopting above-mentioned technical scheme, when the rolling disc rotated, the scraping plate will be continuously scraped the reation kettle inner wall, make the trisodium cyanurate salt who adheres to the reation kettle inner wall can drop, thereby in time supply the trisodium cyanurate salt of consumption in the solution, so that more chlorine can participate in the reaction, thereby further increase the reactivity of chlorine, improve the application rate of chlorine, produce more trichloroisocyanuric acid, higher economic benefits has, reduce the content of chlorine in the tail gas, reduce the injury that tail gas caused environment and human body, higher security has.

Preferably, the inspection device comprises an inspection box, a camera, litmus test paper and a control panel, the inspection box is communicated with the air outlet pipe, the discharge pipe and the return pipe, the camera and the litmus test paper are arranged in the inspection box, a lens of the camera is arranged towards the direction of the litmus test paper, the control panel is arranged on the outer wall of the inspection box, and the control panel is electrically connected with the camera and the electromagnetic valve.

Through adopting above-mentioned technical scheme, tail gas will pass through in the outlet duct passes through the inspection box, and take place the contact with litmus test paper in the inspection box, when containing chlorine in tail gas, the litmus test paper will turn red, the camera just can shoot the phenomenon of litmus test paper and transmit to control panel in, carry out the colour contrast by the colorimetric system in the control panel, thereby can be according to the degree that the litmus test paper discolourd, reach the content of chlorine in the tail gas, if can not reach emission standard, control panel then can control the solenoid valve of back flow department and open, make in tail gas lets in reation kettle once more, make chlorine in the tail gas take place the reaction with solution once more, further reduce the chlorine content in the tail gas.

Preferably, the inspection box roof is provided with the change box, be provided with the lift cylinder in the change box, the piston rod end wall of lift cylinder is connected with the change motor, the lift cylinder all is connected with the control panel electricity with the change motor, the output shaft outer wall cover of changing the motor is equipped with changes the dish, it is provided with a plurality of test paper splint to change a set diapire, each test paper splint all press from both sides and are equipped with the litmus test paper, the inspection box roof runs through the change logical groove of seting up and supplying test paper splint to pass.

Through adopting above-mentioned technical scheme, set up and change the box and can change the litmus test paper that the colour has changed to can effectively improve the accurate nature of detection of verifying attachment chlorine content in to tail gas, reduce the probability that tail gas mistake was discharged and wrong backward flow, improve the verifying attachment's of this application practicality and accurate nature from this.

Preferably, the connection parts of the air inlet pipe and the return pipe and the reaction kettle are provided with control valves, each control valve comprises an insertion pipe, an air inlet box, a piston pipe, a return spring, a propping sheet and an input pipe, one end of each insertion pipe is inserted into the inner wall of the air inlet pipe or the return pipe, an air inlet cavity is formed in the air inlet box, and the other end of each insertion pipe is inserted into the air inlet cavity; the piston tube is connected to the inner wall of the splicing tube in a sliding mode, the end walls of the two ends, extending out of the splicing tube, of the piston tube are connected with limiting pieces, an air inlet hole is formed in one side, away from the air inlet box, of the limiting piece of the piston tube in the thickness direction in a penetrating mode, the air inlet hole is communicated with the piston tube, an air outlet hole is formed in the outer wall, located at one end of the air inlet box, of the piston tube in the thickness direction in a penetrating mode, the abutting piece is connected with the inner wall of the air inlet cavity, one end of the reset spring is connected with the bottom wall of the abutting piece, the other end of the reset spring is connected with the limiting piece located in the air inlet cavity, and the air outlet hole extends out of the splicing tube after the reset spring is compressed; the supporting piece is provided with a plurality of circulation holes in a penetrating mode along the thickness direction, the input pipe is arranged on one side, away from the inserting pipe, of the supporting piece and communicated with the air inlet cavity, and one end, away from the supporting piece, of the input pipe penetrates through the air inlet box and is communicated with the interior of the reaction kettle.

By adopting the technical scheme, the control valve is arranged to limit the flow direction of chlorine gas entering the reaction kettle, when the air pressure in the air inlet pipe or the return pipe is larger, the piston pipe is pushed by the air pressure to move towards the air inlet box, so that the return spring is compressed, the air outlet hole is communicated with the air inlet cavity, and the chlorine gas enters the air inlet cavity through the piston pipe, passes through the circulation hole of the abutting sheet, enters the input pipe and finally enters the reaction kettle; this application can effectively improve the inside easy recharge of reation kettle through setting up control flap, leads to solution to spill over, and chlorine can't obtain the problem of abundant reaction to can further improve the production security of this application.

Preferably, a sealing gasket is arranged at the communication position of the insertion pipe and the air inlet pipe or the return pipe; a sealing sheet is arranged on one side of the abutting sheet, which is far away from the splicing pipe, a plurality of splicing columns are arranged on the bottom wall of the sealing sheet, which corresponds to the circulation holes, a plurality of linkage rods are arranged on the surface of a limiting sheet of the piston pipe, which is positioned in the air inlet cavity, the linkage rods penetrate through the abutting sheet and are connected with the sealing sheet, and the splicing columns are separated from the circulation holes after the reset spring is compressed; the sealing piece runs through along the thickness direction and is seted up the sealed hole that supplies the input tube to pass, the input tube end wall offsets with supporting tight piece surface, the input tube is located the lateral wall in the sealed hole and runs through and sets up the input hole that supplies chlorine to get into.

Through adopting above-mentioned technical scheme, set up seal ring and gasket homoenergetic and effectively improve the gas tightness of chlorine when inputing to reation kettle in, reduce the probability that the chlorine input takes place to leak, reduced the potential safety hazard in the sodium dichloroisocyanurate production process, also can make chlorine can be by make full use of, improved the utilization ratio of chlorine, have higher security and economic benefits.

Preferably, two spiral pipes are arranged in the reaction kettle, the spiral pipes correspond to the input pipes one by one, the spiral pipes are communicated with the corresponding input pipes, and the side walls of the spiral pipes penetrate through the side walls along the thickness direction to form a plurality of air overflow holes.

Through adopting above-mentioned technical scheme, set up the input path that the spiral pipe can effectively prolong chlorine to make chlorine can contact with wider solution, in order to improve the reaction mixedness, after chlorine breaks away from the gas overflow hole, the produced bubble of chlorine will also carry out more abundant reaction with solution under the effect that promotes the subassembly, and both intercombination can improve the reactivity more effectively.

Preferably, the promotion subassembly includes two sets of mountings, both one-to-one correspondence of mountings and spiral pipe, the mountings are used for driving the spiral pipe and rotate.

By adopting the technical scheme, the fixing piece is arranged to fix the spiral pipe, so that the stirring probability of the liquid in the reaction kettle, which is caused by collision between the spiral pipe and the stirring blade, is reduced, and the production safety is improved; on the other hand passes through the mounting and drives the spiral pipe rotation for chlorine can more extensive diffusion, thereby further increase the area of contact of chlorine and solution, further improve the degree of mixing, help improving the utilization ratio of chlorine.

Preferably, the fixing part comprises a first fixing disc and a second fixing disc, the spiral pipe is arranged between the first fixing disc and the second fixing disc, a second rotating tooth block is arranged on the inner wall of the rotating ring along the circumferential direction, a driven gear is arranged on the top wall of the first fixing disc and meshed with the second rotating tooth block, and the second fixing disc is rotatably connected to the bottom wall in the reaction kettle; one end of the input pipe penetrates through the second fixed disc and is communicated with the spiral pipe, a bearing is arranged on the inner wall of one end, penetrating through the second fixed disc, of the input pipe, and one end of the spiral pipe is inserted into the inner ring of the bearing and is rotatably connected with the input pipe through the bearing; a plurality of limiting shafts are arranged between the first fixing disc and the second fixing disc, the limiting shafts are all arranged in the spiral part of the spiral pipe, and the limiting shafts are abutted to the spiral rod.

Through adopting above-mentioned technical scheme, fixed disk one and fixed disk two are connected through spacing axle, when the rotating ring rotates, because driven gear rotates the meshing relation of tooth piece with the second, will drive fixed disk one and fixed disk two and rotate together, thereby make the mounting can drive the spiral pipe and rotate, moreover, the steam generator is simple in structure, can mutually support with the rotation of axis of rotation, further improve the diffusivity of chlorine in solution, improve the degree of proceeding of reaction, help improving the utilization ratio of chlorine, and the steam generator has high economic benefits.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reaction progress degree of the chlorine and the trisodium cyanurate solution can be effectively improved by arranging the promoting component and the spiral tube, the utilization rate of the chlorine is improved, on one hand, the production efficiency of the application can be improved, and the economic benefit is higher, on the other hand, when the content of the chlorine in tail gas generated by the reaction is lower, the influence on the environment and the human body can be reduced, and the safety is higher;

2. set up verifying attachment and can detect the tail gas that produces in the production process, when detecting qualified, tail gas just can be discharged, and the testing result is unqualified, and tail gas then can let in the reation kettle again and react once more, can further improve the utilization ratio of chlorine, and ensured that chlorine content meets the standard in the tail gas just can discharge, has higher security.

Drawings

FIG. 1 is a schematic diagram showing the structure of a system for producing sodium dichloroisocyanurate according to an embodiment of the present invention.

FIG. 2 is a schematic view of the internal structure of a reaction vessel in accordance with an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a point a in fig. 2.

Fig. 4 is a partially enlarged view at B in fig. 2.

Fig. 5 is a schematic structural view of a spiral duct of the embodiment of the present application.

Fig. 6 is a schematic structural view of the bottom wall of the rotating disk according to the embodiment of the present application.

Description of reference numerals: 1. a reaction kettle; 11. a feeding pipe; 12. an air inlet pipe; 13. a discharge pipe; 14. an air outlet pipe; 15. a discharge pipe; 16. a return pipe; 17. an electromagnetic valve; 2. a facilitating component; 21. rotating the motor; 22. rotating the disc; 23. a rotating ring; 231. a first rotating block; 232. a second rotating block; 24. a rotating shaft; 241. a stirring blade; 25. a rotating gear; 26. a connecting plate; 27. a scraping plate; 28. a fixing member; 281. fixing a disc I; 2811. a driven gear; 2812. a limiting shaft; 282. a second fixed disc; 3. a testing device; 31. a test box; 311. the through groove is replaced; 32. a camera; 33. litmus test paper; 34. a control panel; 4. replacing the box; 41. a lifting cylinder; 42. replacing the motor; 43. replacing the disc; 44. a test paper clamping plate; 5. a control valve; 51. inserting a pipe; 511. a sealing gasket; 52. an air intake box; 521. an air inlet cavity; 53. a piston tube; 531. a limiting sheet; 5311. an air inlet; 5312. a linkage rod; 532. an air outlet; 54. a return spring; 55. a propping sheet; 551. a flow-through hole; 56. an input tube; 561. an input aperture; 562. a bearing; 57. sealing the sheet; 571. inserting the column; 572. sealing the hole; 6. a spiral tube; 61. and (4) air overflow holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a production system of sodium dichloroisocyanurate. Referring to fig. 1, a production system of sodium dichloroisocyanurate comprises a reaction kettle 1, wherein the reaction kettle 1 is used for reacting chlorine and trisodium cyanurate in a production process of sodium dichloroisocyanurate to prepare trichloroisocyanuric acid. The side wall of the reaction kettle 1 is communicated with a feeding pipe 11, the feeding pipe 11 is used for inputting the trisodium cyanurate into the reaction kettle 1 and dissolving the trisodium cyanurate in water in the reaction kettle 1 to form trisodium cyanurate solution, the bottom wall of the reaction kettle 1 is communicated with an air inlet pipe 12 for introducing chlorine, and the chlorine can pass through the trisodium cyanurate solution after entering the reaction kettle 1, so that the chlorine can fully react with the trisodium cyanurate solution, and the utilization rate of the chlorine is improved. The bottom wall of the reaction kettle 1 is communicated with a discharge pipe 13, the discharge pipe 13 is used for outputting trichloroisocyanuric acid generated by the reaction, and in this embodiment, the discharge pipe 13 is provided with a valve to control the opening and closing of the discharge pipe 13.

Referring to fig. 1 and 2, the top wall of the reaction kettle 1 is communicated with an air outlet pipe 14, the tail gas after the reaction of chlorine and the trisodium cyanurate solution is discharged out of the reaction kettle 1 through the air outlet pipe 14, the air outlet pipe 14 is communicated with a detection device 3 for detecting residual chlorine in the waste gas, and the detection device 3 comprises a detection box 31, a camera 32, litmus paper 33 and a control panel 34;

referring to fig. 1 and 3, the inspection box 31 is communicated with the outlet duct 14, the camera 32 is disposed on the top wall of the interior of the inspection box 31, and the control panel 34 is disposed on the outer wall of the inspection box 31 and electrically connected to the camera 32; the inspection box 31 roof is provided with through the welding and changes box 4, it has lift cylinder 41 to change the inside roof of box 4 through welded connection, the piston rod end wall of lift cylinder 41 has change motor 42 through welded connection, lift cylinder 41 all is connected with control panel 34 electricity with change motor 42, the mode that the output shaft outer wall of changing motor 42 passes through the key-type connection is provided with changes dish 43, it has a plurality of test paper splint 44 to change a set 43 diapire through welded connection, a plurality of test paper splint 44 evenly set up along the circumferential direction of changing dish 43, litmus test paper 33 sets up in test paper splint 44, inspection box 31 roof runs through and sets up the logical groove 311 of change that supplies test paper splint 44 to pass, litmus test paper 33 can insert through groove 311 and establish in the inspection box 31 through changing.

Referring to fig. 1 and 3, the lens of the camera 32 is disposed toward the litmus paper 33, and when the exhaust enters the inspection box 31 through the air inlet pipe, the litmus paper 33 will be contacted with the litmus paper 33, if the content of chlorine in the exhaust is high, the litmus paper 33 will turn red, the process of color change of the litmus paper 33 will be recorded by the camera 32, and the image is transmitted to the control panel 34, and the control panel 34 analyzes the content of chlorine in the exhaust according to the speed of color change of the litmus paper 33 and the depth of the red. The inspection box 31 is also communicated with the discharge pipe 15 and the return pipe 16, the electromagnetic valves 17 are arranged at the communication parts of the discharge pipe 15 and the return pipe 16 and the inspection box 31, the electromagnetic valves 17 are electrically connected with the control panel 34, when the chlorine content in the tail gas is detected to be qualified, the control panel 34 opens the electromagnetic valve 17 at the discharge pipe 15 to discharge the tail gas, if the detection result is unqualified, the electromagnetic valve 17 at the return pipe 16 is opened by the control panel 34, one end of the return pipe 16, which is deviated from the inspection box 31, penetrates through the bottom wall of the reaction kettle 1 and is communicated with the interior of the reaction kettle 1, so that the tail gas can be introduced into the reaction kettle 1 again to react, the chlorine content in the tail gas is reduced until the emission standard is reached, and when no tail gas exists in the inspection box 31, the stone core test paper 33 can be replaced through the lifting cylinder 41 and the replacement motor 42.

Referring to fig. 2 and 4, control valves 5 are arranged at the communication positions of the inlet pipe 12 and the return pipe 16 with the reaction kettle 1, and each control valve 5 comprises a plug pipe 51, an inlet box 52, a piston pipe 53, a return spring 54, a pressing sheet 55 and an input pipe 56; one end of the insertion pipe 51 is inserted into the inner wall of the inlet pipe 12 or the return pipe 16 and is abutted against the inner wall, a sealing washer 511 is arranged at the communication position of the insertion pipe 51 and the inlet pipe 12 or the return pipe 16, and the sealing washer 511 is used for improving the air tightness between the inlet pipe 12 or the return pipe 16 and the insertion pipe 51, so that the probability of leakage of chlorine or tail gas when the chlorine or the tail gas is input into the reaction kettle 1 is reduced.

Referring to fig. 2 and 4, an air inlet chamber 521 is formed in the air inlet box 52, the other end of the insertion pipe 51 is inserted into the air inlet chamber 521 and is connected with the air inlet box 52 by welding, the piston pipe 53 is connected to the inner wall of the insertion pipe 51 in a sliding manner, both ends of the piston pipe 53 can extend out of the insertion pipe 51 along with the sliding of the piston pipe 53, both end walls of the piston pipe 53 extending out of the insertion pipe 51 are connected with limit pieces 531 by welding, the limit pieces 531 in the air inlet pipe 12 or the return pipe 16 penetrate through the air inlet holes 5311 in the thickness direction, the air inlet holes 5311 are communicated with the piston pipe 53, and chlorine or tail gas can enter the piston pipe 53 through the air inlet holes 5311.

Referring to fig. 2 and 4, the outer wall of the piston tube 53 at one end of the air inlet box 52 is provided with a plurality of air outlet holes 532 in a penetrating manner along the thickness direction, and after the piston tube 53 slides into the air inlet chamber 521, the air outlet holes 532 will extend out of the insertion tube 51, so that chlorine gas or tail gas can enter the air inlet chamber 521; support piece 55 and admit air the chamber 521 inner wall and link to each other through the welding, reset spring 54 one end through sticky with support piece 55 diapire and link to each other, the reset spring 54 other end through sticky with be located the spacing piece 531 in the chamber 521 that admits air and link to each other, after reset spring 54 is compressed, venthole 532 will stretch out plug tube 51 to make chlorine or tail gas can enter into in the chamber 521 smoothly.

Referring to fig. 2 and 4, the abutting sheet 55 is provided with a plurality of flow holes 551 for chlorine gas or tail gas to pass through in a penetrating manner along the thickness direction, one side of the abutting sheet 55 away from the insertion tube 51 is provided with a sealing sheet 57, the bottom wall of the sealing sheet 57 is provided with a plurality of insertion columns 571 in an integrated manner corresponding to the flow holes 551, the insertion columns 571 are matched with the flow holes 551, the surface of the piston tube 53 located on the limiting sheet 531 in the air inlet cavity 521 is connected with two linkage rods 5312 by welding, the linkage rods 5312 penetrate through the abutting sheet 55 and are connected with the sealing sheet 57, after the return spring 54 is compressed, the linkage rods 5312 push the sealing sheet 57 under the pushing of the limiting sheet 531, so that the insertion columns 571 are separated from the flow holes 551, at this time, gas can enter the upper part of the abutting sheet 55, meanwhile, the solution can be prevented from recharging, and the safety is effectively improved.

Referring to fig. 2 and 4, the input pipe 56 is disposed on one side of the abutting sheet 55 departing from the inserting pipe 51 and is communicated with the air inlet cavity 521, the other end of the input pipe 56 is communicated with the inside of the reaction kettle 1, the sealing sheet 57 penetrates through the sealing hole 572 for the input pipe 56 to pass through in the thickness direction, the input pipe 56 is inserted into the end wall of the sealing hole 572 and abuts against the surface of the abutting sheet 55, the side wall of the input pipe 56 in the sealing hole 572 penetrates through the input hole 561 for chlorine to enter, when the inserting column 571 is separated from the circulating hole 551, gas can enter the input pipe 56 through the input hole 561 and enter the reaction kettle 1, so that one-way input of chlorine or tail gas is realized, and the reaction efficiency is improved.

Referring to fig. 4 and 5, be provided with two spiral pipes 6 in reation kettle 1, both one-to-one of spiral pipe 6 and input tube 56, spiral pipe 6 and corresponding input tube 56 intercommunication, the 6 lateral walls of spiral pipe run through along the thickness direction and set up the excessive hole 61 that a plurality of air supplies wore out, the length direction evenly distributed of spiral pipe 6 is followed to a plurality of excessive holes 61, thereby can prolong the area of contact of chlorine or tail gas and solution, thereby improve the reaction efficiency of chlorine, when improving the productivity, effective environmental protection and human health.

Referring to fig. 2 and 6, a reaction mixing degree promoting assembly 2 for improving the reaction mixing degree of chlorine and trisodium cyanurate is arranged in the reaction kettle 1, the promoting assembly 2 comprises a rotating motor 21, a rotating disc 22, a rotating ring 23, a plurality of first rotating tooth blocks 231 integrally formed on the outer wall of the rotating ring 23, a plurality of second rotating tooth blocks 232 integrally formed on the inner wall of the rotating ring 23, a plurality of rotating shafts 24, a plurality of rotating gears 25 and two sets of fixing pieces 28, wherein the rotating shafts 24 and the rotating gears 25 are in one-to-one correspondence, and the fixing pieces 28 and the screw rods are in one-to-one correspondence so as to drive the screw pipes 6 to rotate while fixing the screw pipes 6.

Referring to fig. 2 and 6, the base of the rotary motor 21 is connected to the inner top wall of the reaction kettle 1 by welding, the rotary disk 22 is connected to the end wall of the output shaft of the rotary motor 21 by means of key connection, the rotary ring 23 is connected to the bottom wall of the rotary disk 22 by welding and is coaxially arranged with the rotary disk 22, one end of the rotary shaft 24 is rotatably connected to the inner bottom wall of the reaction kettle 1 by the bearing 562, the rotary gear 25 is connected to the end wall of the corresponding rotary shaft 24 close to the rotary disk 22 by welding, and is engaged with the first rotary tooth block 231, the rotary gear 25 can be driven to rotate by the rotation of the rotary ring 23, so that the rotary shaft 24 rotates, the outer wall of the rotary shaft 24 is integrally formed with a plurality of stirring blades 241, bubbles formed by gas can be scattered by the stirring blades 241, the gas reacts with a solution with a larger area, and the utilization rate of chlorine is further improved.

Referring to fig. 2 and 6, the fixing member 28 includes a first fixed disk 281 and a second fixed disk 282, one end of the spiral pipe 6 is connected to a bottom wall of the first fixed disk 281 by welding, the spiral pipe 6 is disposed between the first fixed disk 281 and the second fixed disk 282, a top wall of the first fixed disk 281 is provided with a driven gear 2811 by welding, the driven gear 2811 is engaged with the second rotating tooth block 232 on the inner wall of the rotating ring 23, so that the first fixed disk 281 can be driven to rotate by rotation of the rotating ring 23, two limiting shafts 2812 are integrally formed on the bottom wall of the first fixed disk 281, the other end of the limiting shaft 2812 is connected to a top wall of the second fixed disk 282 by welding, the limiting shafts 2812 are connected to the inner wall of the spiral pipe 6 by welding, and the second fixed disk 282 is rotatably connected to a bottom wall inside the reaction kettle 1 by a bearing.

Referring to fig. 2 and 6, one end of the input pipe 56 penetrates through the second fixed disk 282 and is communicated with the spiral pipe 6, a bearing 562 is arranged on the inner wall of one end of the input pipe 56 penetrating through the second fixed disk 282, and one end of the spiral pipe 6 is inserted into the inner ring of the bearing 562 and is rotatably connected with the input pipe 56 through the bearing 562; after the spiral pipe 6 rotates, the diffusion range of chlorine or tail gas can be further increased, so that the contact area of chlorine and solution is further increased, and the utilization rate of chlorine is increased.

Referring to fig. 2 and fig. 6, promotion subassembly 2 still includes two connecting plates 26 and two scrapers 27, connecting plate 26 and two one-to-one of scrapers 27, welded connection is passed through to connecting plate 26 one end in rolling disc 22 roof, the one end that connecting plate 26 deviates from rolling disc 22 all bends towards reation kettle 1 inner wall direction level, scrape the end wall of flitch 27 through welded connection in corresponding connecting plate 26 bending part, it offsets with reation kettle 1 inner wall to scrape flitch 27 one side lateral wall, thereby can scrape down the material that is attached to reation kettle 1 inner wall, thereby improve the concentration of solution, be convenient for react more chlorine, improve the utilization ratio of chlorine.

The implementation principle of the production system of sodium dichloroisocyanurate in the embodiment of the application is as follows: chlorine gas is introduced into the reaction kettle 1 through the gas inlet pipe and reacts with trisodium cyanurate to generate a product required in the subsequent production process, and in the reaction process, the promotion component 2 can improve the contact area of the chlorine gas and the trisodium cyanurate solution so as to improve the reaction mixing degree and the utilization rate of the chlorine gas, improve the product yield and reduce the content of the chlorine gas in the generated tail gas;

the tail gas generated by the reaction is discharged into the inspection device 3 through the gas outlet pipe 14, and when the inspection result is qualified, the control panel 34 opens the electromagnetic valve 17 of the discharge pipe 15 to discharge the tail gas; when the detection result is not qualified, the control panel 34 opens the electromagnetic valve 17 of the return pipe 16, and the tail gas is introduced into the reaction kettle 1 again for reaction, so that the chlorine content in the tail gas is consumed until the detection is passed, and therefore the chlorine content in the production process can be controlled, the environment and the human health are protected, and the safety is high.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a production system of dichloro isocyanuric acid sodium, includes reation kettle (1) that is used for carrying out the reaction to chlorine and cyanuric acid trisodium salt, reation kettle (1) lateral wall intercommunication has inlet pipe (11), reation kettle (1) diapire intercommunication has intake pipe (12) that are used for letting in chlorine and discharging pipe (13) that are used for exporting the formation material, reation kettle (1) roof intercommunication has outlet duct (14), its characterized in that: be provided with in reation kettle (1) and promote subassembly (2), promote subassembly (2) and be used for improving the reaction degree of mixing of chlorine and cyanuric acid trisodium salt, outlet duct (14) intercommunication has and is used for carrying out verifying attachment (3) that detect to the remaining chlorine in the waste gas, verifying attachment (3) intercommunication has discharge pipe (15) and back flow (16), the one end that back flow (16) deviates from verifying attachment (3) passes reation kettle (1) diapire and with reation kettle (1) inside intercommunication, discharge pipe (15) and back flow (16) all are provided with solenoid valve (17) with verifying attachment (3) intercommunication department.

2. The system for producing sodium dichloroisocyanurate as claimed in claim 1, wherein: the promoting assembly (2) comprises a rotating motor (21), a rotating disc (22), a rotating ring (23), a plurality of first rotating tooth blocks (231) connected to the outer wall of the rotating ring (23), a plurality of rotating shafts (24) and a plurality of rotating gears (25), wherein the rotating shafts (24) and the rotating gears (25) are in one-to-one correspondence; rotate motor (21) and connect in reation kettle (1) inside roof, rolling disc (22) are connected in the output shaft end wall that rotates motor (21), swivel becket (23) is connected in rolling disc (22) diapire, axis of rotation (24) one end is rotated with reation kettle (1) inside diapire and is connected, slewing gear (25) are connected in the one end that corresponding axis of rotation (24) is close to rolling disc (22), each slewing gear (25) all mesh mutually with first rotation tooth piece (231), axis of rotation (24) outer wall is provided with a plurality of stirring vane (241).

3. The system for producing sodium dichloroisocyanurate of claim 2, wherein: the promotion component (2) further comprises a plurality of connecting plates (26) and a plurality of scraping plates (27), the connecting plates (26) and the scraping plates (27) are in one-to-one correspondence, the connecting plates (26) are connected to the top wall of the rotating disc (22), one ends, deviating from the rotating disc (22), of the connecting plates (26) are horizontally bent towards the inner wall of the reaction kettle (1), the scraping plates (27) are connected to the end walls of the bent portions of the corresponding connecting plates (26), and the side walls of one sides of the scraping plates (27) are abutted to the inner wall of the reaction kettle (1).

4. The system for producing sodium dichloroisocyanurate as claimed in claim 1, wherein: the detection device (3) comprises a detection box (31), a camera (32), litmus test paper (33) and a control panel (34), wherein the detection box (31) is communicated with an air outlet pipe (14), an exhaust pipe (15) and a return pipe (16), the camera (32) and the litmus test paper (33) are arranged in the detection box (31), a lens of the camera (32) is arranged towards the direction of the litmus test paper (33), the control panel (34) is arranged on the outer wall of the detection box (31), and the control panel (34) is electrically connected with the camera (32) and the electromagnetic valve (17).

5. The system for producing sodium dichloroisocyanurate of claim 4, wherein: the utility model discloses a test paper box, including inspection box (31), test box (31) roof, be provided with change box (4), be provided with lift cylinder (41) in change box (4), the piston rod end wall of lift cylinder (41) is connected with changes motor (42), lift cylinder (41) and change motor (42) all are connected with control panel (34) electricity, the output shaft outer wall cover of changing motor (42) is equipped with changes dish (43), it is provided with a plurality of test paper splint (44) to change dish (43) diapire, each test paper splint (44) all press from both sides and are equipped with litmus test paper (33), inspection box (31) roof runs through and sets up the change logical groove (311) that supplies test paper splint (44) to pass.

6. The system for producing sodium dichloroisocyanurate as claimed in claim 2, wherein: the connection part of the air inlet pipe (12) and the return pipe (16) and the reaction kettle (1) is provided with a control valve (5), the control valve (5) comprises an inserting pipe (51), an air inlet box (52), a piston pipe (53), a return spring (54), a propping sheet (55) and an input pipe (56), one end of the inserting pipe (51) is inserted into the inner wall of the air inlet pipe (12) or the return pipe (16), an air inlet cavity (521) is formed in the air inlet box (52), and the other end of the inserting pipe (51) is inserted into the air inlet cavity (521); the piston tube (53) is connected to the inner wall of the insertion tube (51) in a sliding manner, the end walls of the two ends of the piston tube (53) extending out of the insertion tube (51) are both connected with limiting pieces (531), one side, away from the air inlet box (52), of the piston tube (53) is provided with an air inlet hole (5311) in a penetrating manner along the thickness direction, the air inlet hole (5311) is communicated with the piston tube (53), the outer wall of one end, located at the air inlet box (52), of the piston tube (53) is provided with an air outlet hole (532) in a penetrating manner along the thickness direction, the abutting piece (55) is connected with the inner wall of the air inlet cavity (521), one end of the reset spring (54) is connected with the bottom wall of the abutting piece (55), the other end of the reset spring (54) is connected with the limiting piece (531) located in the air inlet cavity (521), and the air outlet hole (532) extends out of the insertion tube (51) after the reset spring (54) is compressed; the supporting sheet (55) is provided with a plurality of circulation holes (551) in a penetrating mode along the thickness direction, the input pipe (56) is arranged on one side, away from the inserting pipe (51), of the supporting sheet (55) and communicated with the air inlet cavity (521), and one end, away from the supporting sheet (55), of the input pipe (56) penetrates through the air inlet box (52) and is communicated with the interior of the reaction kettle (1).

7. The system for producing sodium dichloroisocyanurate of claim 6, wherein: a sealing gasket (511) is arranged at the communication part of the insertion pipe (51) and the air inlet pipe (12) or the return pipe (16); a sealing sheet (57) is arranged on one side, away from the insertion pipe (51), of the abutting sheet (55), a plurality of insertion columns (571) are arranged on the bottom wall of the sealing sheet (57) corresponding to the flow holes (551), a plurality of linkage rods (5312) are arranged on the surface of the limiting sheet (531) of the piston pipe (53) in the air inlet cavity (521), the linkage rods (5312) penetrate through the abutting sheet (55) and are connected with the sealing sheet (57), and after the return spring (54) is compressed, the insertion columns (571) are separated from the flow holes (551); the sealing sheet (57) penetrates through a sealing hole (572) for an input pipe (56) to penetrate through along the thickness direction, the end wall of the input pipe (56) is abutted against the surface of the abutting sheet (55), and the side wall, located in the sealing hole (572), of the input pipe (56) penetrates through an input hole (561) for chlorine to enter.

8. The system for producing sodium dichloroisocyanurate of claim 6, wherein: be provided with two spiral pipes (6) in reation kettle (1), both one-to-one of spiral pipe (6) and input tube (56), spiral pipe (6) and corresponding input tube (56) intercommunication, spiral pipe (6) lateral wall runs through along the thickness direction and has seted up a plurality of air vents (61).

9. The system for producing sodium dichloroisocyanurate of claim 7, wherein: the promotion component (2) comprises two sets of fixing pieces (28), the fixing pieces (28) correspond to the spiral pipes (6) one by one, and the fixing pieces (28) are used for driving the spiral pipes (6) to rotate.

10. The system for producing sodium dichloroisocyanurate of claim 9, wherein: the fixing piece (28) comprises a first fixed disc (281) and a second fixed disc (282), the spiral pipe (6) is arranged between the first fixed disc (281) and the second fixed disc (282), a second rotating tooth block (232) is arranged on the inner wall of the rotating ring (23) along the circumferential direction, a driven gear (2811) is arranged on the top wall of the first fixed disc (281), the driven gear (2811) is meshed with the second rotating tooth block (232), and the second fixed disc (282) is rotatably connected to the bottom wall inside the reaction kettle (1); one end of the input pipe (56) penetrates through the second fixed disk (282) and is communicated with the spiral pipe (6), a bearing (562) is arranged on the inner wall of one end, penetrating through the second fixed disk (282), of the input pipe (56), and one end of the spiral pipe (6) is inserted into the inner ring of the bearing (562) and is rotatably connected with the input pipe (56) through the bearing (562); a plurality of limiting shafts (2812) are arranged between the first fixed disk (281) and the second fixed disk (282), the limiting shafts (2812) are arranged in the spiral part of the spiral pipe (6), and the limiting shafts (2812) are abutted to the spiral rod.

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