Acetonitrile solvent wastewater collecting device

By introducing a flow guide platform, a screening and cleaning mechanism, and a conical filter plate into the acetonitrile solvent wastewater collection device, the problem of impurities and greases in acetonitrile solvent that cannot be removed is solved, the distillation efficiency and equipment operation stability are improved, and efficient acetonitrile separation and purification are achieved.

CN223879479UActive Publication Date: 2026-02-06CHENGDU JINGXI PHARMACEUTICAL CO LTD
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Patent Information

Application Number
CN202520398839.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-06
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing acetonitrile solvent wastewater collection devices cannot filter acetonitrile solvent before distillation, resulting in the inability to effectively remove large impurities and grease, affecting distillation efficiency and equipment operation.

Method used

A device including a flow guide platform, a screening and cleaning mechanism, and a conical filter plate was designed. The conical filter plate is driven to rotate by a motor, and impurities and grease are cleaned off by baffles and push plates. The steam output position is adjusted by the distillation mechanism to ensure that the steam acts directly on the acetonitrile layer, thereby improving the distillation efficiency.

Benefits of technology

It effectively removes impurities and grease, avoids clogging of distillation equipment, improves heat transfer efficiency and steam flow rate, extends equipment life, reduces pollutant emissions, and improves the separation efficiency and purity of acetonitrile.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wastewater treatment, in particular to an acetonitrile solvent wastewater collecting device which comprises a treatment barrel, a flow guide table, a screening and cleaning mechanism and a conical filter plate, wherein the flow guide table is arranged on the inner side of the treatment barrel and is positioned at the bottom of the treatment barrel; the screening and cleaning mechanism is arranged on the inner side of the treatment barrel; the conical filter plate is arranged on the inner side of the screening and cleaning mechanism. According to the utility model, through the arrangement of the screening and cleaning mechanism, the motor drives the conical filter plate to rotate, the grid baffle plate cleans large impurities and grease on the conical filter plate, and the cleaned impurities and grease are discharged out of the treatment cylinder circularly through the push plate, so that the impurities and grease can be prevented from being attached to the inner wall of the distillation equipment; heat transfer and steam flowing are influenced, so that the distillation efficiency is reduced, the internal smoothness of the distillation equipment is ensured, the heat transfer efficiency and the steam flowing speed are improved, and the distillation efficiency is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially, relates to a kind of acetonitrile solvent wastewater collection device. BACKGROUND

[0002] Acetonitrile is the intermediate of medicine, spice, is difficult to degrade toxic chemicals, the absorption of human body can be inhaled, eat, through skin absorption.Acetonitrile acute poisoning attack slowly, can have several hours incubation period.Main symptoms are weak, pale, nausea and vomiting, abdominal pain and diarrhea, chest tightness and chest pain;Serious respiratory and circulatory system disorder, even lead to paroxysmal convulsions and coma.

[0003] The Chinese patent with publication number CN204727646U discloses a treatment device for acetonitrile industrial wastewater, comprising an electrolytic reactor and a water outlet collection tank, the electrolytic reactor and the water outlet collection tank are connected through a collection pipeline, the electrolytic reactor mainly comprises an electrolytic reaction tank, an electrode group inserted into the electrolytic reaction tank, and a direct current stabilized power supply electrically connected with the electrode group, a water inlet for inserting a water inlet pipe is arranged on the middle and lower part of the pool wall of the feed side of the reaction tank, and a water outlet for inserting the collection pipeline is arranged on the upper part of the pool wall of the discharge side of the reaction tank; a wastewater circulation interface is arranged on the pool wall below the water outlet and the water inlet, respectively, and the pair of wastewater circulation interfaces are communicated through a circulation pipeline. The device is simple to operate, easy to manage, and has strong economy and applicability.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the existing acetonitrile solvent wastewater collection device cannot filter the large impurities and oil in the acetonitrile solvent before distillation and collection of acetonitrile, which leads to poor collection effect of acetonitrile. UTILITY MODEL CONTENT

[0005] The utility model aims at the problem that large impurities and oil in acetonitrile solvent cannot be filtered and discharged from the device in the background art, and provides an acetonitrile solvent wastewater collection device.

[0006] The technical scheme of the utility model: an acetonitrile solvent wastewater collection device, comprising a treatment cylinder; further comprising:

[0007] A flow guide table is arranged on the inner side of the treatment cylinder and located at the bottom of the treatment cylinder, and the flow guide table is an annular member with high outside and low inside, for guiding the treated solvent to the shaft center and discharging the device;

[0008] A screening and cleaning mechanism is arranged on the inner side of the treatment cylinder, for screening and discharging the large impurities and oil in the solvent from the device;

[0009] And a conical filter plate is arranged on the inner side of the screening and cleaning mechanism, which is a conical table with low outside and high inside, used for screening acetonitrile solvent and guiding the screened sundries to slide to the bottom of the conical filter plate.

[0010] Preferably, the distillation mechanism comprises a second connecting frame, a steam generator, an output pipe and an adjusting assembly.

[0011] The second connecting frame is arranged on the outer side of the processing cylinder, the steam generator is arranged on the inner side of the connecting frame, and the output pipe is arranged at the output end of the steam generator and is a telescopic hose.

[0012] The adjusting assembly is arranged on the outer side of the processing cylinder and is used for adjusting the position of steam discharge.

[0013] Preferably, the adjusting assembly comprises a mounting sheet, a threaded rod, a rotating rod and a connecting pipe.

[0014] The mounting sheet is arranged at the end of the output pipe away from the steam generator, the threaded rod is arranged at the top of the mounting sheet, the rotating rod is arranged at the top of the threaded rod, the outer side of the threaded rod is threadedly provided with a third connecting frame, the outer side of the processing cylinder is slidingly provided with a sealing plate, and the connecting pipe is arranged on the outer side of the processing cylinder.

[0015] Preferably, the screening and cleaning mechanism comprises a motor, a first rotating shaft, an annular slide rail, a fixing frame, a switch assembly and a cleaning assembly.

[0016] The first connecting frame is arranged on the top of the processing cylinder, the motor is arranged on the inner side of the first connecting frame, the first rotating shaft is arranged at the output end of the motor, the annular slide rail is arranged on the inner side of the processing cylinder, the fixing frame is arranged on the inner side of the conical filter plate and is connected to the bottom of the first rotating shaft.

[0017] The switch assembly is arranged on the processing cylinder and is used for opening the discharge of sundries from the processing cylinder after the cleaning assembly cleans once.

[0018] The cleaning assembly is arranged on the outer side of the first rotating shaft and is used for reciprocatingly pushing and cleaning the sundries on the surface of the conical filter plate.

[0019] Preferably, the switch assembly comprises a rotating door, a fixed block, a spring and a fixing piece.

[0020] The fixed block is arranged on the outer side of the processing cylinder, the rotating door is rotationally arranged on the fixed block, the spring is arranged on the side of the rotating door away from the processing cylinder, and the fixing piece is arranged at the end of the spring away from the rotating door.

[0021] Preferably, the cleaning assembly comprises a baffle, a guide rod, a gear ring, a circular gear, a driving wheel, a driven wheel, a belt and a second rotating shaft.

[0022] The baffle is arranged on the inner side of the processing cylinder, the guide rod is arranged on the side of the baffle, the gear ring is arranged on the outer side of the first rotating shaft, the circular gear is arranged on the outer side of the gear ring and is engaged with the gear ring, the second rotating shaft is arranged on the bottom of the circular gear, the driving wheel is arranged on the bottom of the circular gear, the belt is arranged on the outer side of the driving wheel, the driven wheel is arranged on the end of the belt away from the driving wheel, the third rotating shaft is arranged at the center of the driven wheel, the bottom of the belt is provided with the telescopic pipe, the outer side of the telescopic pipe is provided with the second spring, the bottom of the telescopic pipe is provided with the sliding block, the side of the sliding block is provided with the push plate, the side of the push plate away from the sliding block is provided with the push rod, and the collecting box is arranged on the outer side of the processing cylinder.

[0023] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0024] 1、Through the setting of the screening cleaning mechanism, the motor drives the conical filter plate to rotate, the baffle cleans the large impurities and grease on the conical filter plate, and the impurities and grease are discharged from the processing cylinder through the push plate, so that the impurities and grease can be prevented from adhering to the inner wall of the distillation equipment, the heat transfer and the steam flow are affected, the distillation efficiency is reduced, the cleanliness of the inside of the distillation equipment is ensured, the heat transfer efficiency and the steam flow speed are improved, and the distillation efficiency is improved, meanwhile, the pipeline and the valve of the distillation equipment can be prevented from being blocked, the normal operation of the equipment is affected, and the service life of the equipment is prolonged, and the impurities and grease are filtered out, so that the pollutant emission in the treatment process is reduced, and the pollution to the environment is further reduced.

[0025] 2、Through the setting of the distillation mechanism, the position of the output pipe can be adjusted by rotating the threaded rod, so that the output pipe starts conveying steam from the bottom of the acetonitrile layer, so that the steam can act directly on the acetonitrile layer, thereby accelerating the evaporation and separation process of acetonitrile, reducing energy waste, improving separation efficiency, promoting the interaction between acetonitrile molecules, and further purifying acetonitrile. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of an embodiment of the utility model;

[0027] Figure 2 It is a structural schematic view of an embodiment of the utility model; Figure 1

[0028] Figure 3 It is a structural schematic view of an embodiment of the utility model;

[0029] Figure 4 It is an enlarged schematic view of A in the utility model; Figure 3

[0030] Figure 5 It is a structural schematic view of the distillation mechanism.

[0031] ​​: 1, processing cylinder; 2, supporting leg; 3, flow guide table; 4, liquid outlet; 501, gear ring; 502, circular gear; 503, rotating shaft two; 504, driving wheel; 505, belt; 506, driven wheel; 507, rotating shaft three; 508, conical filter plate; 509, baffle; 510, guide rod; 511, rotating door; 512, fixed block; 513, spring one; 514, fixing piece; 515, annular slide rail; 516, fixed frame; 517, telescopic pipe; 518, spring two; 519, sliding block; 520, push plate; 521, push rod; 522, collection box; 523, motor; 524, connecting frame one; 525, rotating shaft one; 601, connecting frame two; 602, steam generator; 603, output pipe; 604, mounting piece; 605, sealing plate; 606, threaded rod; 607, connecting frame three; 608, rotating rod; 609, connecting pipe; 7, liquid inlet pipe. DETAILED DESCRIPTION

[0032] Example One

[0033] As Figures 1-5 shown in the utility model discloses a kind of acetonitrile solvent waste water collection devices, including processing cylinder 1, the liquid inlet pipe 7 being set to the top of processing cylinder 1, the supporting leg 2 being set to the bottom of processing cylinder 1, the liquid outlet 4 being set to the axis of processing cylinder 1, flow guide table 3, screening cleaning mechanism and conical filter plate 508, supporting leg 2 is annularly provided with three around processing cylinder 1:

[0034] Flow guide table 3 is arranged at the inner side of processing cylinder 1 and is located at the bottom of processing cylinder 1, and flow guide table 3 is an annular member with high outside and low inside, for guiding the solvent after processing to the axis of the discharge device;

[0035] Screening cleaning mechanism is arranged at the inner side of processing cylinder 1, for screening and discharging the large block impurities and grease in the solvent;

[0036] Conical filter plate 508 is arranged at the inner side of screening cleaning mechanism, and conical filter plate 508 is a conical table with low outside and high inside, for screening acetonitrile solvent, and guiding the impurities screened to slide to the bottom of conical filter plate 508.

[0037] The distillation mechanism comprises a connecting frame two 601, a steam generator 602, an output pipe 603 and an adjusting assembly; the connecting frame two 601 is arranged outside the processing cylinder 1, the steam generator 602 is arranged inside the connecting frame, the output pipe 603 is arranged at an output end of the steam generator 602, and the output pipe 603 is a telescopic hose; the adjusting assembly is arranged outside the processing cylinder 1 and used for adjusting the steam discharging position; the adjusting assembly comprises a mounting sheet 604, a threaded rod 606, a rotating rod 608 and a connecting pipe 609; the mounting sheet 604 is arranged at one end of the output pipe 603 away from the steam generator 602, the threaded rod 606 is arranged at a top of the mounting sheet 604, the rotating rod 608 is arranged at a top of the threaded rod 606, a connecting frame three 607 is arranged outside the threaded rod 606, one end of the connecting frame three 607 away from the threaded rod 606 is connected with the outside of the processing cylinder 1, a sealing plate 605 is arranged outside the processing cylinder 1 in a sliding mode, one side of the sealing plate 605 away from the processing cylinder 1 is connected with one end of the output pipe 603 away from the steam generator 602, the connecting pipe 609 is arranged outside the processing cylinder 1, acetonitrile solvent is separated after being placed in the processing cylinder 1, so that an acetonitrile layer and a brine layer are separated, the threaded rod 606 is rotated by the rotating rod 608, the threaded rod 606 is rotated on the connecting frame three 607 and then is moved, the threaded rod 606 is moved to move an end of the output pipe 603 to the bottom of the acetonitrile layer, then the connecting pipe 609 and a condenser are connected together, the steam generator 602 is started, the steam generator 602 outputs steam, the steam enters the processing cylinder 1 from the output pipe 603 and distills the acetonitrile solvent, and the distilled acetonitrile solvent flows into the condenser through the connecting pipe 609.

[0038] Example two

[0039] As Figures 3-4 shown, the acetonitrile solvent wastewater collecting device, compared with example one, the embodiment introduces the structure of the screening cleaning mechanism in detail.

[0040] The screening cleaning mechanism comprises a motor 523, a rotating shaft 525, an annular slide rail 515, a fixing frame 516, a switch assembly and a cleaning assembly. The connecting frame 524 is arranged on the top of the processing cylinder 1, the motor 523 is arranged on the inner side of the connecting frame 524, the rotating shaft 525 is arranged on the output end of the motor 523, the annular slide rail 515 is arranged on the inner side of the processing cylinder 1, the fixing frame 516 is arranged on the inner side of the conical filter plate 508, and the inner side of the fixing frame 516 is connected with the bottom of the rotating shaft 525. The switch assembly is arranged on the processing cylinder 1, and is used for opening the discharge of sundries from the processing cylinder 1 after the cleaning assembly finishes cleaning once. The cleaning assembly is arranged on the outer side of the rotating shaft 525, and is used for pushing and cleaning the sundries on the surface of the conical filter plate 508 in a reciprocating cycle. The switch assembly comprises a rotating door 511, a fixing block 512, a spring 513 and a fixing piece 514. The fixing block 512 is arranged on the outer side of the processing cylinder 1, the rotating door 511 is rotatably arranged on the fixing block 512, the spring 513 is arranged on the side of the rotating door 511 away from the processing cylinder 1, and the fixing piece 514 is arranged on the end of the spring 513 away from the rotating door 511.The cleaning assembly comprises a baffle 509, a guide rod 510, a gear ring 501, a circular gear 502, a driving wheel 504, a driven wheel 506, a belt 505 and a rotating shaft 2 503; the baffle 509 is arranged on the inner side of the processing cylinder 1, the guide rod 510 is arranged on the side of the baffle 509, the gear ring 501 is arranged on the outer side of the rotating shaft 1 525, the circular gear 502 is arranged on the outer side of the gear ring 501 and engaged with the gear ring 501, the rotating shaft 2 503 is arranged at the bottom of the circular gear 502, the driving wheel 504 is arranged at the bottom of the circular gear 502, the belt 505 is arranged on the outer side of the driving wheel 504, the driven wheel 506 is arranged at one end of the belt 505 away from the driving wheel 504, the rotating shaft 3 507 is arranged at the center of the driven wheel 506, the bottom of the belt 505 is provided with an extension tube 517, the outer side of the extension tube 517 is provided with a spring 2 518, the bottom of the extension tube 517 is provided with a sliding block 519, the side of the sliding block 519 is provided with a push plate 520, the side of the push plate 520 away from the sliding block 519 is provided with a push rod 521, a collection box 522 is arranged on the outer side of the processing cylinder 1, for collecting the garbage cleaned by the push plate 520, a motor 523 is started, the motor 523 drives the driving wheel 504 to rotate, the driving wheel 504 drives the belt 505 to rotate circularly, and the sliding block 519 moves when rotating, when the sliding block 519 contacts the end of the guide rod 510, it is just located below the guide rod 510, and continues to move to press down the extension tube 517 and the spring 2 518 under the action of the guide rod 510, so as to press down the push plate 520 and the sliding block 519 together, so as to make the push plate 520 descend while pushing and cleaning, when the push plate 520 moves to one end below the guide rod 510, the push plate 520 will drive the push rod 521 to open the rotating door 511, at this time the spring 1 513 is compressed, so as to discharge the cleaned grease and larger debris out of the processing cylinder 1 and fall into the collection box 522, and then the push plate 520 rotates to the other side with the belt 505, the rotating door 511 is closed again under the action of the spring 1 513, and the next cycle of cleaning is performed.

[0041] In summary, in use, the motor 523 is started, the motor 523 drives the rotating shaft one 525 to rotate, the rotating shaft one 525 drives the gear ring 501 to rotate, the gear ring 501 drives the circular gear 502 to rotate, the circular gear 502 drives the rotating shaft two 503 to rotate, the rotating shaft two 503 drives the driving wheel 504 to rotate, the driving wheel 504 drives the driven wheel 506 to rotate through the belt 505, so that the belt 505 rotates circularly, and the sliding block 519 is driven to move through the telescopic pipe 517 when rotating, the sliding block 519 moves and presses down the telescopic pipe 517 and the spring two 518 under the action of the guide rod 510, so that the push plate 520 and the sliding block 519 are pressed down together, the push plate 520 is pushed and cleaned while descending, when the push plate 520 moves to one end where the guide rod 510 is located below, the push plate 520 drives the push rod 521 to open the rotating door 511, at this time, the spring one 513 is compressed, so that the cleaned grease and larger sundries are discharged from the treatment cylinder 1 and fall into the collecting box 522, then the push plate 520 is rotated to the other side along with the belt 505, the rotating door 511 is closed again under the action of the spring one 513, and the next cycle cleaning is carried out, the filtered acetonitrile is separated after passing through the conical filter plate 508 and standing in the treatment cylinder 1, so that acetonitrile layer and brine layer are separated, the threaded rod 606 is rotated through the rotating rod 608, the threaded rod 606 is rotated on the connecting frame three 607 and is moved, the threaded rod 606 is moved and drives the end of the output pipe 603 to move to the bottom of the acetonitrile layer, then the connecting pipe 609 and the condenser are connected together, the steam generator 602 is started, the steam generator 602 outputs steam, the steam enters the treatment cylinder 1 from the output pipe 603 and distills the acetonitrile solvent, the distilled acetonitrile solvent flows into the condenser through the connecting pipe 609, and the remaining solvent is discharged through the liquid outlet 4.

[0042] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. An acetonitrile solvent waste collecting device comprising a treatment cartridge (1); characterized in that, Also comprising: a flow guide platform (3) arranged on the inner side of the processing cylinder (1) and at the bottom of the processing cylinder (1), the flow guide platform (3) is an annular member with high outside and low inside, used for guiding the processed solvent to the shaft center to the discharge device; a screening and cleaning mechanism arranged on the inner side of the processing cylinder (1), used for screening and discharging the large impurities and grease in the solvent; and a conical filter plate (508) arranged on the inner side of the screening and cleaning mechanism, the conical filter plate (508) is a conical platform with low outside and high inside, used for screening acetonitrile solvent and guiding the screened impurities to slide to the bottom of the conical filter plate (508).

2. The acetonitrile solvent wastewater collection apparatus of claim 1, wherein, Also comprising a distillation mechanism, the distillation mechanism comprises a connecting frame two (601), a steam generator (602), an output pipe (603) and an adjusting assembly; the connecting frame two (601) is arranged on the outer side of the processing cylinder (1), the steam generator (602) is arranged on the inner side of the connecting frame, the output pipe (603) is arranged at the output end of the steam generator (602), and the output pipe (603) is a telescopic hose; the adjusting assembly is arranged on the outer side of the processing cylinder (1) and used for adjusting the position of steam discharge.

3. The acetonitrile solvent wastewater collection apparatus of claim 2, wherein, The adjusting assembly comprises a mounting sheet (604), a threaded rod (606), a rotating rod (608) and a connecting pipe (609); the mounting sheet (604) is arranged at one end of the output pipe (603) away from the steam generator (602), the threaded rod (606) is arranged at the top of the mounting sheet (604), the rotating rod (608) is arranged at the top of the threaded rod (606), the outer side of the threaded rod (606) is threadedly provided with a connecting frame three (607), the outer side of the processing cylinder (1) is slidably provided with a sealing plate (605), and the connecting pipe (609) is arranged on the outer side of the processing cylinder (1).

4. The acetonitrile solvent wastewater collection apparatus of claim 1, wherein, The screening and cleaning mechanism comprises a connecting frame one (524), a motor (523), a rotating shaft one (525), an annular sliding rail (515), a fixing frame (516), a switch assembly and a cleaning assembly; the connecting frame one (524) is arranged at the top of the processing cylinder (1), the motor (523) is arranged on the inner side of the connecting frame one (524), the rotating shaft one (525) is arranged at the output end of the motor (523), the annular sliding rail (515) is arranged on the inner side of the processing cylinder (1), the fixing frame (516) is arranged on the inner side of the conical filter plate (508), and the inner side of the fixing frame (516) is connected with the bottom of the rotating shaft one (525); the switch assembly is arranged on the processing cylinder (1) and used for opening the discharge of impurities from the processing cylinder (1) after the cleaning assembly cleans once; the cleaning assembly is arranged on the outer side of the rotating shaft one (525) and used for reciprocatingly pushing and cleaning the impurities on the surface of the conical filter plate (508).

5. The acetonitrile solvent wastewater collection apparatus of claim 4, wherein, The switch assembly comprises a rotating door (511), a fixed block (512), a spring one (513) and a fixing piece (514); The fixed block (512) is arranged outside the processing cylinder (1), the rotating door (511) is arranged on the fixed block (512), the spring (513) is arranged on the side of the rotating door (511) away from the processing cylinder (1), and the fixed part (514) is arranged on the end of the spring (513) away from the rotating door (511).

6. The acetonitrile solvent wastewater collection apparatus of claim 4, wherein, The cleaning assembly comprises a baffle (509), a guide rod (510), a gear ring (501), a circular gear (502), a driving wheel (504), a driven wheel (506), a belt (505) and a rotating shaft (503). The baffle (509) is arranged inside the processing cylinder (1), the guide rod (510) is arranged on the side of the baffle (509), the gear ring (501) is arranged outside the rotating shaft (525), the circular gear (502) is arranged outside the gear ring (501) and is engaged with the gear ring (501), the rotating shaft (503) is arranged at the bottom of the circular gear (502), the driving wheel (504) is arranged at the bottom of the circular gear (502), the belt (505) is arranged outside the driving wheel (504), the driven wheel (506) is arranged at the end of the belt (505) away from the driving wheel (504), the rotating shaft (507) is arranged at the center of the driven wheel (506), the bottom of the belt (505) is provided with the telescopic pipe (517), the outer side of the telescopic pipe (517) is provided with the spring (518), the bottom of the telescopic pipe (517) is provided with the sliding block (519), the side of the sliding block (519) is provided with the push plate (520), the side of the push plate (520) away from the sliding block (519) is provided with the push rod (521), and the collecting box (522) is arranged outside the processing cylinder (1).

Citation Information

Patent Citations

  • A processing apparatus for acetonitrile industry sewage

    CN204727646U