CN115626726A - Industrial impurity removal system and method for jiale musk chlorobenzene rear-stage waste liquid - Google Patents

Abstract

The invention discloses an industrial impurity removal system for the rear stage waste liquid of Jiale musk chlorobenzene. The anti-rotation feeding mechanism is sealed and fitted sequentially from top to bottom. The middle bearing on the bottom surface of the top plate assembly is sleeved with a transmission shaft. The outer surface of the transmission shaft is fitted with a stirring mechanism. The bottom end of the outer surface of the stirring mechanism is fitted There is a cleaning mechanism, the middle part of the top surface of the chassis is provided with a scraping mechanism, and the bottom surface of the chassis is provided with a support column. The invention overcomes the deficiencies of the prior art, and has a reasonable design and a compact structure. The liquid material in the kettle can be stirred up and down by using the opposite setting of the stirring rotation direction, and the liquid can be exported layer by layer according to the optimization of the discharge end. The appearance of the vortex has been weakened, and has high social use value and application prospect.

Description

An industrial impurity removal system and method for the rear-stage waste liquid of Jiale musk chlorobenzene

technical field

The invention relates to the technical field of impurity removal of Jiale musk chlorobenzene waste liquid, in particular to an industrial impurity removal system and method for Jiale musk chlorobenzene waste liquid at the rear stage.

Background technique

Jiale musk is a synthetic musk with a molecular weight of 258.4, a boiling point of 129°C (107Pa), and a chemical name of 1,3,4,6,7,8-hexahydro-4,6,6,7,8, 8-Hexamethylcyclopenta-γ-2-benzopyran can volatilize a strong and long-lasting musk aroma, accompanied by woody aroma during the volatilization process, and is widely used as an auxiliary in cosmetics, soap essence and other industries With fragrance.

At the back end of the production of Jiale musk, a certain amount of chlorobenzene tower bottom waste liquid will be produced, and the chlorobenzene tower bottom waste liquid contains more chloropropanol, which makes the recovery of chlorobenzene difficult, and the recovery rate of pure chlorobenzene is low. A large number of impurities overlap with chlorobenzene, the problem of low purity of chlorobenzene after recovery, and during the recovery process of p-chlorobenzene in the reactor, the internal impurities will remain in the reactor, and during the layering operation Sometimes it is easy to cause the vortex to be too large due to layered feeding, which directly affects the layered feeding. For this reason, we propose the operation method of water washing and alkali cleaning, and optimize the situation that the feeding layer is easily affected by the vortex. of impurity removal system.

Therefore, in view of this, the inventor has been adhering to many years of rich experience in design, development and actual production in this related industry, researched and improved the existing structure and defects, and provided an industrial impurity removal for the waste liquid of chlorobenzene in the back stage of Jiale musk System and method, in order to achieve the purpose of more practical value.

Contents of the invention

In order to solve the problems mentioned in the above-mentioned background technology, the present invention provides an industrial impurity removal system and method for the rear-stage waste liquid of chlorobenzene of carole musk.

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

An industrial impurity removal system and method for the rear-stage waste liquid of Jiale musk chlorobenzene, including the main body of the kettle body, the top plate assembly, the chassis and the anti-rotation feeding mechanism, the top plate assembly, the main body of the kettle body, the chassis and the anti-rotation The unloading mechanism is sealed sequentially from top to bottom. The middle bearing on the bottom surface of the top plate assembly is sleeved with a drive shaft. The outer surface of the drive shaft is set with a stirring mechanism. A brushing mechanism, a scraping mechanism is provided in the middle of the top surface of the chassis, and a support column is provided on the bottom surface of the chassis.

Preferably, the top plate assembly includes a top cover plate, the bottom surface of the top cover plate is sealed with the top surface of the kettle body body, the top surface of the top cover plate is set with a drive motor, and the bottom of the output end of the drive motor end and the top bearing of the transmission shaft, the right side of the top surface of the top cover plate is connected with a first feed pipe, and the right side of the top cover plate is connected with a second feed pipe, and the top surface of the top cover plate is connected with a second feed pipe. The left end of the top surface of the cover plate is communicated with a main feeding pipe.

Preferably, the anti-rotation blanking mechanism includes a positioning sleeve, the top surface of the positioning sleeve communicates with the middle part of the bottom surface of the chassis, and the inner cavity sealing sleeve of the positioning sleeve is provided with a blanking tube. The bottom of the feeding tube is connected with an adjusting tube, the bottom of the adjusting tube is connected with an adjusting block, the bottom bearing sleeve of the adjusting block is provided with a connecting pipe, and the top surface of the feeding tube is sleeved with a The anti-rotation cover, the top surface of the anti-rotation cover is covered with a sealing top plate.

Preferably, the stirring mechanism includes a helical stirring piece and a sleeve, the inner cavity of the helical stirring piece is fixedly sleeved with the outer surface of the transmission shaft, and the sleeved column is sleeved on the outer surface of the helical stirring piece.

Preferably, the cleaning mechanism includes a splicing seat, the top of the splicing seat is fixedly sleeved with the bottom end of the transmission shaft, and the bottom end of the outer surface of the splicing seat is evenly provided with support rods in the circumferential direction. A cleaning board is provided at the end, and a balance bar is evenly provided on the top of the outer surface of the splicing seat in the circumferential direction, and the outer end of the balance bar is connected with the inner surface of the cleaning board.

Preferably, the scraping mechanism includes a support seat, the bottom surface of the support seat is connected to the middle part of the bottom surface of the inner cavity of the chassis, the bearing sleeve in the middle part of the top surface of the support seat is provided with a connecting column, and the outer surface of the connecting column is provided There is an extension rod, and the bottom surface of the extension rod is provided with a scraper pushing plate.

Preferably, the inner cavity of the spiral stirring blade is provided with a fitting hole, the size and shape of the fitting hole are adapted to the size and shape of the transmission shaft, and the bottom end of the splicing seat is fixed with the top surface of the connecting column. It is provided that a feeding port is provided on the circumferential surface of the support seat, and a sealing groove is provided on the top surface of the inner cavity of the support seat, and the size and shape of the sealing groove match the size and shape of the top surface of the sealing top plate. .

Preferably, the side wall of the inner cavity of the positioning sleeve is provided with a sealing limit ring, the size and shape of the inner diameter of the sealing limit ring are adapted to the size and shape of the outer surface of the feeding tube, and the sealing top plate A top sealing ring is set on the outer surface of the adjustment cylinder, a bottom sealing ring located outside the feeding tube is provided on the top surface of the regulating cylinder, and a catheter is connected to the middle of the top surface of the sealing top plate.

Preferably, the number of the cleaning boards is three, and the three cleaning boards are arranged in the inner cavity of the kettle body body in a circumferential direction, and the outer surface of the cleaning boards is provided with cleaning brushes, and the ends of the cleaning brushes are connected to the The internal contact of the main body of the kettle.

Preferably, there is a gap between the bottom end of the scraper pushing plate and the bottom surface of the inner cavity of the chassis, and the size of the gap can be adjusted according to the positions of the support seat and the connecting column.

A kind of industrial impurity removal method of Jiale musk chlorobenzene rear section waste liquid, comprises the following steps:

S1: Add 3000kg chlorobenzene tower bottom waste liquid (80% chlorobenzene, 10% chloropropanol, 8% methylal and chloropropanol polymer, 2% indane) to the main body of the kettle body through the main feeding pipe, and start Drive the motor, so that the output shaft of the drive motor can indirectly drive the set column, the cleaning plate and the scraper pushing plate to stir, connect the first feed pipe with the external steam supply pipe, and carry out steam input heating to reduce the temperature in the kettle. Rise to 60-90°C;

S2: Connect the second feed pipe to the external pipeline, and slowly and uniformly drop 120-200 kg of sulfuric acid with a concentration of 98% to the interior of the kettle body through the second feed pipe to ensure that the interior of the kettle body does not boil violently. It needs to be added dropwise within 2-3 hours;

S3: Turn off the steam input of the first feeding pipe, so that the inside of the kettle body is naturally cooled to 40°C, and add 400kg of pure water to the inside of the kettle body through the second feeding pipe for washing (remove part of the unreacted sulfuric acid dilute), then stirred for 1 hour, and then stood still for 1 hour, the mixed solution was naturally layered inside the main body of the kettle body, and the acid water in the lower layer was discharged to the external waste water tank through the anti-rotation feeding mechanism;

S4: Leave the chlorobenzene phase obtained in the upper layer of the kettle body inside the kettle body, and add 5% sodium hydroxide solution 400kg through the second feed pipe (neutralization reaction with sulfuric acid to make the reaction solution alkaline nature), stirring for 1 hour, standing for 1 hour to separate naturally, and then release the lower alkali aqueous phase through the anti-rotation feeding mechanism to obtain the treated crude chlorobenzene solution. The impurity peak of chloropropanol is detected by gas chromatography ≤ 1 %, chlorobenzene content ≥ 90%.

Compared with prior art, the beneficial effect of the present invention is:

1. First of all, through the setting of the cleaning mechanism and the scraping mechanism, the inner wall of the main body of the kettle body and the chassis can be cleaned, so as to avoid the accumulation of impurities that appear in the reaction process of the liquid material on the inner wall of the main body of the kettle body and the chassis , resulting in the situation that it is impossible to clean up later, and according to the setting shape of the set column and the scraping push plate, the liquid material inside the main body of the kettle body can be stirred up and down.

2. Secondly, through the setting of the anti-rotation blanking mechanism, the use of the screw connection method between the positioning sleeve and the adjustment cylinder is used to adjust the use height of the anti-rotation cover relative to the positioning sleeve, so as to avoid the When the upper and lower layers of the liquid are separated and discharged inside, an excessive vortex appears, so that the retention of available products will not be easily lost.

In summary, the present invention overcomes the deficiencies of the prior art, and has a reasonable design and a compact structure. By using the opposite setting of the stirring rotation direction, the liquid material in the kettle can be stirred up and down, and according to the optimization of the discharge end, the split The situation of the vortex in the liquid derived from the layer has been weakened, and has high social use value and application prospect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is an exploded schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the impurity removal process of the present invention.

Fig. 3 is a schematic diagram of the overall appearance and structure of the present invention.

Fig. 4 is a structural schematic diagram of the chassis of the present invention.

Fig. 5 is a structural schematic diagram of the cleaning mechanism in the present invention.

Fig. 6 is a structural schematic diagram of the stirring mechanism in the present invention.

Fig. 7 is a structural schematic diagram of the scraping mechanism in the present invention.

Fig. 8 is a structural schematic diagram of the opening stage of the anti-rotation blanking mechanism in the present invention.

Fig. 9 is a structural schematic diagram of the closing stage of the anti-rotation blanking mechanism in the present invention.

Fig. 10 is a schematic exploded view of the structure of the anti-rotation blanking mechanism in the present invention.

In the figure: 1, kettle body main body; 2, top plate assembly; 201, top cover plate; 202, drive motor; 203, first feed pipe; 204, second feed pipe; 205, main feed pipe; 3, Chassis; 301, support column; 4, anti-rotation blanking mechanism; 41, positioning sleeve; 42, blanking tube; 43, adjusting cylinder; 433, bottom sealing ring; 44, adjusting block; 45, connecting pipe; 46 , anti-rotation cover; 47, sealing top plate; 471, catheter; 5, transmission shaft; 6, stirring mechanism; 61, spiral stirring plate; 62, set column; 7, cleaning mechanism; Support rod; 73, balance bar; 74, cleaning plate; 8, scraping mechanism; 81, support seat; 82, connecting column; 83, extension rod;

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Referring to Figure 1, Figures 3-8 and Figure 10, an industrial impurity removal system and method for the rear-stage waste liquid of chlorobenzene of Jiale musk, including the main body of the kettle body 1, the top plate assembly 2, the bottom plate 3 and the anti-rotation feeding mechanism 4. The top plate assembly 2, kettle body main body 1, chassis 3 and anti-rotation feeding mechanism 4 are sealed and fitted sequentially from top to bottom, so that the inner cavity of the kettle body main body 1 forms a closed space, which is convenient for stirring and standing raw materials Processing, the middle bearing of the bottom surface of the top plate assembly 2 is socketed with a transmission shaft 5, and the transmission shaft 5 can be fixedly connected with the bottom end of the output shaft of the driving motor 202, so that the output shaft of the driving motor 202 drives the transmission shaft 5 To rotate, the outer surface of the drive shaft 5 is fixedly fitted with a stirring mechanism 6, and the bottom end of the outer surface of the stirring mechanism 6 is fixedly fitted with a cleaning mechanism 7, and the middle part of the top surface of the chassis 3 is fixedly bolted to be provided with a scraping mechanism 8, and the chassis 3 The bottom surface of the bottom surface is fixedly bolted and provided with a support column 301 .

Specifically, the top plate assembly 2 includes a top cover plate 201, the bottom surface of the top cover plate 201 is sealed with the top surface of the kettle body 1, the top surface of the top cover plate 201 is set with a drive motor 202, and the bottom end of the output end of the drive motor 202 Set with the top bearing of the transmission shaft 5, the right side of the top cover plate 201 is connected with the first feed pipe 203, and the right side of the top cover plate 201 is connected with the second feed pipe 204, and the top cover plate 201 is connected with the right side of the top surface. The left end of the top surface of 201 is communicated with a main feeding pipe 205, and through the setting of the top plate assembly 2, a driving source can be provided for the internal components of the kettle body body 1, and a sealing effect can be provided for the top surface of the kettle body body 1, and The materials are introduced into the interior of the kettle main body 1 from the first feeding pipe 203, the second feeding pipe 204 and the main feeding pipe 205 for stirring and static treatment.

Specifically, the anti-rotation blanking mechanism 4 includes a positioning sleeve 41, the top surface of the positioning sleeve 41 is communicated with the middle part of the bottom surface of the chassis 3, and the inner chamber sealing sleeve of the positioning sleeve 41 is provided with a blanking tube 42, and the blanking tube 42 is provided for the blanking sleeve. The bottom of the pipe tube 42 is communicated with an adjustment tube 43, and the bottom surface of the adjustment tube 43 is connected with an adjustment block 44. The bottom surface bearing sleeve of the adjustment block 44 is provided with a connecting pipe 45, and the top surface of the feeding tube tube 42 is provided with an anti-corrosion tube. Rotary cover 46, the top surface of the anti-rotation cover 46 is provided with a sealing top plate 47, through the setting of the anti-rotation blanking mechanism 4, the internal components of the anti-rotation blanking mechanism 4 can pass through the chassis 3 and the anti-rotation blanking mechanism for materials 4. During the process of feeding, the vortex during feeding can be slowed down, and the mixing of the liquid surface that has been left to stand and stratified in the early stage can be avoided, so that the efficiency of layered feeding can be improved.

Specifically, the stirring mechanism 6 includes a spiral stirring piece 61 and a sleeve column 62, the inner cavity of the spiral stirring piece 61 is fixedly sleeved with the outer surface of the transmission shaft 5, and the sleeve column 62 is sleeved on the outer surface of the spiral stirring piece 61. 6, when the output shaft of the driving motor 202 drives the transmission shaft 5 to rotate, the spiral stirring piece 61 can be rotated synchronously with the transmission shaft 5, so that the sleeve column 62 can stir the liquid inside the kettle body 1 deal with.

Specifically, the cleaning mechanism 7 includes a splicing seat 71, the top of the splicing seat 71 is fixedly sleeved with the bottom end of the transmission shaft 5, and the bottom end of the outer surface of the splicing seat 71 is evenly provided with a support rod 72 in the circumferential direction, and the end of the support rod 72 The top of the outer surface of the splicing seat 71 is evenly provided with a balance bar 73 in the circumferential direction, and the outer end of the balance bar 73 is connected with the inner surface of the cleaning plate 74, and is set by the internal components of the cleaning mechanism 7. , the cleaning brush can be set on the outer surface of the cleaning plate 74, the situation of the cleaning brush is fan-shaped, and can be directly fixed on the outer surface of the cleaning plate 74, so as to facilitate the cleaning operation on the inner cavity side wall of the kettle body main body 1, And it can be replaced regularly.

Specifically, the scraping mechanism 8 includes a support seat 81, the bottom surface of the support seat 81 is connected to the middle part of the bottom surface of the inner cavity of the chassis 3, the bearing sleeve in the middle part of the top surface of the support seat 81 is provided with a connecting column 82, and the outer surface of the connecting column 82 is provided with The extension rod 83, the bottom surface of the extension rod 83 is provided with a scraper push plate 84, which is set by the internal components of the scraper mechanism 8, which can stir the liquid existing in the chassis 3, and can prevent impurities from remaining in the chassis 3. On the bottom surface of the inner cavity, allowing the scraper pushing plate 84 to contact the impurities attached to the bottom surface of the inner cavity of the chassis 3 can play a role in removing them.

Specifically, the inner cavity of the spiral stirring blade 61 is provided with a set hole, the size and shape of the set hole are adapted to the size and shape of the transmission shaft 5, and the bottom end of the splicing seat 71 is fixedly sleeved with the top surface of the connecting column 82, The circumferential surface of the support seat 81 is provided with a feeding port, and the top surface of the support seat 81 inner cavity is provided with a sealing groove, the size and shape of the sealing groove are compatible with the size and shape of the top surface of the sealing top plate 47, and the opening of the sleeve hole The spiral stirring piece 61 can be set on the outer surface of the transmission shaft 5, the sleeve of the splicing seat 71 and the connecting column 82 can be installed in a fixed socket, and the sleeve between the connecting column 82 and the supporting seat 81 is an embedded The form of the groove is fixed, which is convenient for installation and operation. The opening of the discharge port cooperates with the internal components of the anti-rotation discharge mechanism 4, so that it can play a certain blocking role during the liquid discharge process and avoid excessive discharge vortex. Condition.

Specifically, the inner cavity side wall of the positioning sleeve 41 is provided with a sealing limit ring, the size and shape of the inner diameter of the sealing limit ring are adapted to the size and shape of the outer surface of the feeding tube 42, and the outer surface of the sealing top plate 47 The top sealing ring is set, the top surface of the adjustment cylinder 43 is provided with the bottom sealing ring 433 located on the outside of the feeding tube 42, the middle part of the top surface of the sealing top plate 47 is connected with a catheter 471, the setting of the sealing limit ring and the top sealing The setting of the ring can allow the internal components of the anti-rotation blanking mechanism 4 to seal the connection between the anti-rotation blanking mechanism 4 and the chassis 3 when the internal components are moving, so as to prevent the liquid from flowing between the chassis 3 and the positioning sleeve 41. The splicing gap of the internal components of the connection point and the anti-rotation blanking mechanism 4 flows out.

Concrete, the quantity of cleaning plate 74 is three, and three cleaning plates 74 circumferentially are evenly arranged on the inner cavity of kettle body main body 1, and the outer surface of cleaning plate 74 is provided with cleaning brush, and the end of cleaning brush and kettle body The internal contact of the main body 1, the cleaning plate 74 is set at an angular interval of 120 degrees, which can maximize the cleaning operation for the inner cavity side wall of the kettle body main body 1 with a cleaning brush. The outer surface of the cleaning brush is provided with bristles, and the inner surface of the cleaning brush The surface can closely fit with the outer surface of the cleaning plate 74, and bolts are used to install and fix the two.

Specifically, there is a gap between the bottom of the scraper push plate 84 and the bottom surface of the inner cavity of the chassis 3, and the size of the gap can be adjusted with the positions of the support seat 81 and the connecting column 82. The bottom of the scraper push plate 84 The gap left at the end prevents the scraper pushing plate 84 from directly contacting the inner cavity bottom surface of the chassis 3, avoids forming a hard collision when rotating, and avoids the damage of the scraping pushing plate 84 and the chassis 3.

Example 2

Referring to Fig. 9, the difference between this embodiment and Embodiment 1 is that the fitting position between the positioning sleeve 41 and the feeding tube 42 can be adjusted, according to the outer surface of the adjustment cylinder 43 and the bottom end of the inner side wall of the positioning sleeve 41 The provided threads correspond to each other, and can be adjusted by rotating, so that the top surface of the sealing top plate 47 is separated from the top surface of the inner cavity of the support seat 81, and the height of the top surface of the catheter 471 is equal to the height of the bottom surface of the inner cavity of the chassis 3. Compatible, so that the material liquid inside the main body of the kettle body 1 can be directly discharged through the catheter 471 without entering the anti-rotation cover 46, so that the anti-rotation feeding mechanism 4 can perform the opening and closing operation of the anti-rotation program. This type of improvement can avoid the slowdown of the feeding speed caused by the interference of the internal components of the anti-rotation feeding mechanism 4 when the main body of the kettle body 1 does not need to discharge materials in layers.

Refer to Example 1 for other undescribed structures.

Working principle: In the present invention, firstly, the waste liquid at the bottom of the chlorobenzene tower is introduced into the interior of the kettle body body 1 from the main feeding pipe 205 through external pumping, and then the driving motor 202 is turned on so that the output shaft of the driving motor 202 can drive the transmission shaft 5 to rotate, so that the transmission shaft 5 drives the sleeve column 62, the cleaning plate 74 and the scraping push plate 84 to rotate synchronously and in the same direction, and the heating steam is introduced into the interior of the kettle body body 1 through the first feed pipe 203, so that The temperature inside the kettle body 1 can reach 60-90°C, so that the inside of the kettle body 1 can be stirred and steam-heated, and then sulfuric acid is added dropwise to the inside of the kettle body 1 through the second feeding pipe 204, Ensure that the interior of the main body 1 of the kettle body does not boil violently, and the time for adding sulfuric acid must be controlled within 2-3 hours, and then turn off the input of heating steam, so that the internal temperature of the main body 1 of the kettle body is controlled at 40°C, and then through the first The second feed pipe 204 adds pure water to the interior of the kettle body body 1 for washing operation, and simultaneously starts stirring. The stirring time is controlled at 1 hour. After the stirring is completed, the liquid inside the kettle body body 1 needs to be left to stand for 1 hour, so that the kettle body The mixed liquid inside the main body 1 can naturally stratify obviously, and the waste water in the lower layer inside the main body 1 of the kettle body is directly exported through the anti-rotation feeding mechanism 4. During the process of exporting the waste water, the anti-rotation cover 46 needs to be raised to facilitate the discharge of the liquid. To play the role of anti-rotation, the chlorobenzene phase of the upper layer inside the kettle body main body 1 is left in the inside of the kettle body main body 1, then sodium hydroxide solution is added, stirring for 1 hour and standing operation for 1 hour again, for the mixed liquid The alkali water in the lower layer caused by stratification is directly discharged through the anti-rotation feeding mechanism 4, and the treated crude chlorobenzene solution can be obtained.

Example 3

With reference to Fig. 2, the industrial impurity removal method of a kind of Jiale musk chlorobenzene rear section waste liquid, comprises the following steps:

S1: Add 3000kg chlorobenzene tower bottom waste liquid (80% chlorobenzene, 10% chloropropanol, 8% methylal and chloropropanol polymer, 2% indane) to the main body 1 of the kettle body through the main feeding pipe 205 , turn on the drive motor 202, so that the output shaft of the drive motor 202 can indirectly drive the sleeve column 62, the cleaning plate 74 and the scraper push plate 84 to stir, and connect the first feed pipe 203 with the external steam supply pipeline, and carry out Steam is input for heating, and the temperature in the kettle is raised to 60-90°C;

S2: Connect the second feed pipe 204 with the external pipeline, and slowly and uniformly drop 120-200kg of sulfuric acid with a concentration of 98% into the interior of the kettle body 1 through the second feed pipe 204 to ensure that the inside of the kettle body 1 Without violent boiling, it needs to be added dropwise within 2-3 hours;

S3: Close the steam input of the first feeding pipe 203, so that the inside of the kettle body 1 is naturally cooled to 40°C, and add 400kg of pure water to the inside of the kettle body 1 through the second feeding pipe 204 for water washing (partially untreated The sulfuric acid that participated in the reaction was diluted), then stirred for 1 hour, and then stood still for 1 hour, the mixed solution was naturally layered inside the kettle body 1, and the lower layer of acid water was discharged to the external waste water tank through the anti-rotation feeding mechanism 4;

S4: Leave the chlorobenzene phase obtained in the upper layer of the kettle body body 1 inside the kettle body body 1, and add 5% sodium hydroxide solution 400kg through the second feed pipe 204 (neutralization reaction with sulfuric acid to make the reaction The liquid is alkaline), stirred for 1 hour, allowed to stand for 1 hour to separate naturally, and then released the lower alkaline aqueous phase through the anti-rotation feeding mechanism 4 to obtain the treated chlorobenzene crude product solution, which was detected by gas chromatography. Impurity peak ≤ 1%, chlorobenzene content ≥ 90%.

Example 4

The difference between this example and Example 3 is that the temperature in the S1 stage is controlled at 60°C, and 200 kg of sulfuric acid with a concentration of 98% is added dropwise in the S2 stage, so that the discharge of the lower layer of acid water in the S3 stage is about 420 kg, so that the amount of alkaline water in the lower layer of the S4 stage About 400kg, the output of crude chlorobenzene is about 2700kg, the impurity peak of chloropropanol is 0.6% and the content of chlorobenzene is 93% as detected by gas chromatography.

Refer to Example 3 for other undescribed steps.

Example 5

The difference between this example and Example 3 is that the temperature in the S1 stage is controlled at 60°C, and 180 kg of sulfuric acid with a concentration of 98% is added dropwise in the S2 stage, so that the discharge of the lower layer of acid water in the S3 stage is about 410 kg, so that the amount of alkaline water in the lower layer of the S4 stage About 400kg, the output of crude chlorobenzene is about 2700kg, the impurity peak of chloropropanol is 0.8% and the content of chlorobenzene is 92% through gas chromatography.

Refer to Example 3 for other undescribed steps.

Example 6

The difference between this example and Example 3 is that the temperature in the S1 stage is controlled at 60°C, and the content of the waste liquid at the bottom of the chlorobenzene column pumped into the main body 1 of the kettle body in the S1 stage is (84% chlorobenzene, 8% chloropropanol) In the S2 stage, 150kg of sulfuric acid with a concentration of 98% was added dropwise, resulting in the discharge of the lower layer of acid water in the S3 stage of about 400kg, so that the amount of alkaline water in the lower layer of the S4 stage was about 400kg, and the crude product output of chlorobenzene was about 2700kg. The impurity peak of chloropropanol was detected by gas chromatography 1%, chlorobenzene content 90%.

Refer to Example 3 for other undescribed steps.

Known from embodiment 4-6, by concentrated sulfuric acid reaction, chloropropanol impurity obviously eliminates in the waste liquid of chlorobenzene tower bottom, and chlorobenzene content rises substantially, can be used as crude product to rectify.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

In the present invention, terms such as "installation", "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection or It is a detachable connection, or integrated; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The control mode of the present invention is automatically controlled by a controller, and the control circuit of the controller can be realized through simple programming by those skilled in the art. The supply of power also belongs to common knowledge in this field, and the present invention is mainly used to protect mechanical devices , so the present invention will not explain the control method and circuit connection in detail.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (11)

1. The utility model provides an industry edulcoration system of jiale musk chlorobenzene back end waste liquid, includes cauldron body main part (1), top dish subassembly (2), chassis (3) and prevents revolving blanking mechanism (4), its characterized in that: top dish subassembly (2), cauldron body main part (1), chassis (3) and prevent revolving unloading mechanism (4) from last to sealing up the suit down in proper order, the middle part bearing of top dish subassembly (2) bottom surface has cup jointed transmission shaft (5), the surface cover of transmission shaft (5) is equipped with rabbling mechanism (6), the bottom cover of rabbling mechanism (6) surface is equipped with brusher mechanism (7), the middle part of chassis (3) top surface is equipped with scrapes material mechanism (8), the bottom surface on chassis (3) is equipped with support column (301).

2. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 1, is characterized in that: top dish subassembly (2) is including top cover dish (201), the bottom surface of top cover dish (201) and the sealed suit of top surface of cauldron body (1), the top surface cover of top cover dish (201) is equipped with driving motor (202), the bottom of driving motor (202) output and the top bearing suit of transmission shaft (5), the right side intercommunication of top cover dish (201) top surface is equipped with first inlet pipe (203), the right side intercommunication of top cover dish (201) top surface is equipped with second inlet pipe (204), the left end intercommunication of top cover dish (201) top surface is equipped with main feeding pipe (205).

3. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 1, is characterized in that: prevent that unloading mechanism (4) revolves includes abutment sleeve (41), the top surface of abutment sleeve (41) sets up with the bottom surface middle part intercommunication of chassis (3), the sealed cover in inner chamber of abutment sleeve (41) is equipped with unloading bobbin (42), the bottom intercommunication of unloading bobbin (42) is equipped with adjusts section of thick bamboo (43), the bottom surface intercommunication of adjusting section of thick bamboo (43) is equipped with regulating block (44), the bottom surface bearing housing of regulating block (44) is equipped with communicating pipe (45), the top surface cover of unloading bobbin (42) is equipped with prevents revolving cover (46), the top surface cover of preventing revolving cover (46) is equipped with sealed roof (47).

4. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 1, is characterized in that: the stirring mechanism (6) comprises a spiral stirring sheet (61) and a sleeving column (62), the inner cavity of the spiral stirring sheet (61) is fixedly sleeved on the outer surface of the transmission shaft (5), and the sleeving column (62) is sleeved on the outer surface of the spiral stirring sheet (61).

5. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 1, is characterized in that: brushing mechanism (7) are including concatenation seat (71), the top of concatenation seat (71) is established with the fixed cover in bottom of transmission shaft (5), the bottom circumference of concatenation seat (71) surface evenly is equipped with bracing piece (72), the tip of bracing piece (72) is equipped with brushwork (74), the top circumference of concatenation seat (71) surface evenly is equipped with balancing pole (73), the outside end of balancing pole (73) is connected with the medial surface of brushwork (74).

6. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 1, is characterized in that: scrape material mechanism (8) including supporting seat (81), the bottom surface of supporting seat (81) is connected with the middle part of chassis (3) inner chamber bottom surface, the top surface middle part bearing housing of supporting seat (81) is equipped with spliced pole (82), the surface of spliced pole (82) is equipped with extension rod (83), the bottom surface of extension rod (83) is equipped with scrapes material catch bar (84).

7. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to any one of claims 2 to 6, characterized in that: the suit hole has been seted up to the inner chamber of spiral stirring piece (61), the size and the shape in suit hole and the size and the shape looks adaptation of transmission shaft (5), the bottom of concatenation seat (71) is established with the fixed cover of top surface of spliced pole (82), the feed opening has been seted up on the circumferential surface of supporting seat (81), the seal groove has been seted up to the top surface of supporting seat (81) inner chamber, the size and the shape of seal groove and the size and the shape looks adaptation of sealed roof (47) top surface.

8. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to the claim 3, is characterized in that: the inner cavity side wall of positioning sleeve (41) is equipped with sealed spacing ring, the internal diameter size and the shape of sealed spacing ring and the size and the shape looks adaptation of unloading bobbin (42) surface, the surface cover of sealed roof (47) is equipped with the top sealing washer, the top surface of adjusting a section of thick bamboo (43) is equipped with bottom sealing ring (433) that are located the unloading bobbin (42) outside, the middle part intercommunication of sealed roof (47) top surface has catheter (471).

9. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 5, is characterized in that: the quantity of cleaning and brushing board (74) is three, and the inner chamber in cauldron body main part (1) is all set up to three cleaning and brushing board (74) circumference, the surface of cleaning and brushing board (74) is equipped with the cleaning brush, the tip of cleaning brush and the inside contact of cauldron body main part (1).

10. The industrial impurity removal system for the Jiale musk chlorobenzene rear-end waste liquid according to claim 6, is characterized in that: the bottom of scraping pushing plate (84) and the inner cavity bottom surface of chassis (3) are reserved with a gap, and the size reserved in the gap can be adjusted along with the position of supporting seat (81) and connecting column (82) cover.

11. An industrial impurity removal method for the Jiale musk chlorobenzene back-end waste liquid as claimed in any one of claims 1 to 8, characterized by comprising the following steps:

s1: 3000kg of chlorobenzene tower bottom waste liquid (80% of chlorobenzene, 10% of chloropropanol, 8% of methylal and chloropropanol polymer and 2% of indane) is added into a kettle body main body (1) through a main feeding pipe (205), a driving motor (202) is started, so that an output shaft of the driving motor (202) can indirectly drive a sleeved column (62), a cleaning plate (74) and a scraping pushing plate (84) to stir, a first feeding pipe (203) is communicated with an external steam supply pipeline, steam is input and heated, and the temperature in the kettle is raised to 60-90 ℃;

s2: the second feeding pipe (204) is communicated with an external pipeline, and 120-200kg of sulfuric acid with the concentration of 98% is slowly dripped into the kettle body main body (1) through the second feeding pipe (204) at a constant speed, so that the interior of the kettle body main body (1) is not boiled violently, and the dripping is required to be finished within 2-3 hours;

s3: closing the steam input of the first feeding pipe (203), naturally cooling the interior of the kettle body main body (1) to 40 ℃, adding 400kg of pure water into the interior of the kettle body main body (1) through the second feeding pipe (204) for washing (diluting part of sulfuric acid which does not participate in the reaction), stirring for 1 hour, standing for 1 hour, naturally layering the mixed solution in the interior of the kettle body main body (1), and discharging the lower-layer acid water to an external wastewater tank through the anti-rotation discharging mechanism (4);

s4: the chlorobenzene phase obtained from the upper layer in the kettle body main body (1) is left in the kettle body main body (1), 400kg of 5% sodium hydroxide solution is added through a second feeding pipe (204) (and is subjected to neutralization reaction with sulfuric acid to enable reaction liquid to be alkaline), the mixture is stirred for 1 hour, is kept stand for 1 hour for natural layering, and then the lower layer of alkaline water phase is discharged through an anti-rotation discharging mechanism (4), so that a treated chlorobenzene crude product solution can be obtained, the chloropropanol impurity peak is less than or equal to 1% through gas chromatography detection, and the chlorobenzene content is more than or equal to 90%.

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