CN217077456U - Device for recovering aniline from waste water in rubber accelerator DPG condensation - Google Patents

Abstract

The utility model discloses a device of waste water recovery aniline in rubber accelerator DPG condensation relates to chemical reagent and auxiliary agent and makes technical field, including the waste water storage tank, one side of waste water storage tank is provided with the preliminary treatment mechanism that has waste water filtering reaction function and has the settlement mechanism that subsides the aniline function, and preliminary treatment mechanism and settlement mechanism are linked together, the opposite side of waste water storage tank is provided with the roots fan. The utility model relates to a rational in infrastructure, aniline that it can be retrieved will utilize the extraction of the third pump body to squeeze into outside aniline storage tank through arranging the material pipe with aniline through subsiding the back in, the circulation is recycled, make the device can retrieve aniline on the one hand and recycle, reduce consumption, COD and ammonia nitrogen reduce in can making waste water on the one hand in addition, the use amount of medicaments such as hydrogen peroxide solution when reducing fenton oxidation, be favorable to going on of back biology more, the throughput has been strengthened, COD and ammonia nitrogen have been reduced, environmental pollution has been reduced.

Description

Device for recovering aniline from waste water in rubber accelerator DPG condensation

Technical Field

The utility model relates to a chemical reagent and auxiliary agent manufacture technical field, specifically are device of waste water recovery aniline in rubber accelerator DPG condensation.

Background

In the condensation section of the existing production process of rubber accelerator DPG, aniline and carbon disulfide react to generate N, N-ethylene thiourea (CA for short) under the catalysis of sulfur. After CA is generated, suction filtration or centrifugal dehydration is needed, mother liquor is recycled, and washing water is sent to a sewage treatment station for treatment. Because aniline has certain solubility in water and can not completely react during reaction, the washing water contains 0.5-1% of aniline, and because aniline is a benzene ring structure which is difficult to degrade, a large amount of hydrogen peroxide is required to be consumed during the Fenton process for sewage treatment if the aniline is degraded, microorganisms and bacteria are easy to poison and die during biochemical treatment if the aniline cannot be degraded, the aniline content is high, ammonia nitrogen is increased during later treatment, great difficulty is caused to biochemical treatment, and meanwhile, aniline consumption is high during the production process of products, and the cost is high. Therefore, the device for recovering aniline from waste water in rubber accelerator DPG condensation is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at making up the defects of the prior art and providing a device for recovering aniline from waste water in rubber accelerator DPG condensation.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the device for recovering aniline from waste water in rubber accelerator DPG condensation comprises a waste water storage tank, wherein a pretreatment mechanism with a waste water filtering reaction function and a sedimentation mechanism with a sedimentation aniline function are arranged on one side of the waste water storage tank, the pretreatment mechanism and the sedimentation mechanism are communicated, a Roots blower is arranged on the other side of the waste water storage tank, the top of the waste water storage tank is fixedly communicated with a waste water inlet pipe through a valve, the input end of the Roots blower is fixedly communicated with an aerator pipe, and the output end of the Roots blower is communicated with the top of the waste water storage tank.

Further, preliminary treatment mechanism includes the filter-tank, deamination tower, the first pump body, the fluid-discharge tube and the second pump body, the bottom of waste water storage tank is linked together through the input of valve with the first pump body, the output of the first pump body is linked together with the top of filter-tank, there is the fluid-discharge tube bottom the deamination tower through the valve intercommunication, the bottom of fluid-discharge tube is linked together with the input of the second pump body, the inside of deamination tower is provided with the heater, the output of the second pump body is linked together through the heater of valve and deamination tower inside, the surface of fluid-discharge tube has fixed pipe through the fixed intercommunication of valve.

Further, it includes the third pump body, conveyer pipe, collecting pipe, row's material pipe and three awl end aniline recovery jar to subside the mechanism, it has communicating pipe all to fix the intercommunication between every awl end aniline recovery jar, the fixed intercommunication in top of deamination tower has the conveyer pipe, and the bottom of conveyer pipe is linked together through the top that valve and first awl end aniline recovery jar, every awl end aniline recovery jar's bottom all with the fixed intercommunication of collecting pipe, the bottom of collecting pipe is linked together with the input of the third pump body, the output of the third pump body is linked together in row's material pipe, arrange the other end and the outside aniline storage tank of material pipe and be linked together, the third the fixed intercommunication in top of awl end aniline recovery jar has the discharge pipe, the right-hand member and the discharge pipe of fixed pipe are linked together, the bottom of discharge pipe has the sewage pipe through the fixed intercommunication of valve.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the device for recovering aniline from waste water in rubber accelerator DPG condensation has the following beneficial effects:

the utility model discloses a waste water storage tank, roots's fan, waste water advances the pipe, pretreatment mechanism, subside the mechanism, fixed pipe and sewage pipe between the cooperation setting, can advance the pipe through waste water and squeeze into in the waste water storage tank, utilize roots's fan to let in the organic component in the air aeration oxidation waste water storage tank, make it become macromolecular organic matter and deposit out, utilize the first pump body to squeeze into the filter-tank with the waste water that contains solid organic matter in the waste water storage tank and filter, the filtrating after the filtration utilizes the operation of the second pump body will be extracted to the heater in the deamination tower through the fluid-discharge tube and heat, aniline and vapor mixture in the deamination tower fall into the conveyer pipe through the top packing layer in the waste water storage tank, and reach in the first cone bottom aniline recovery tank, under the intercommunication of communicating pipe, make aniline and vapor mixture will make the bottom of aniline one-level subside to every cone bottom aniline recovery tank through subsiding, in addition, a part of wastewater containing trace aniline circulates through a feed pump and returns to the deamination tower again to be distilled to recover aniline, when the Chemical Oxygen Demand (COD) of a bottom water outlet of the cone-bottom aniline recovery tank is below 2000, the wastewater in the cone-bottom aniline recovery tank can be discharged into a sewage treatment station through a discharge pipe and a sewage pipe to be treated, the recovered aniline is pumped into an external aniline storage tank through a discharge pipe by utilizing the extraction of a third pump body after sedimentation, and is recycled, so that the device can recycle aniline on the one hand, the consumption is reduced, on the other hand, the COD and ammonia nitrogen in the wastewater can be reduced, the usage amount of medicaments such as hydrogen peroxide during fenton oxidation is reduced, the implementation of rear organisms is facilitated, the treatment capacity is enhanced, the COD and the ammonia nitrogen are reduced, and the environmental pollution is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a waste water storage tank; 2. a Roots blower; 3. a wastewater inlet pipe; 4. a pretreatment mechanism; 41. a filter tank; 42. a deamination tower; 43. a first pump body; 44. a liquid discharge pipe; 45. a second pump body; 5. a sedimentation mechanism; 51. a cone bottom aniline recovery tank; 52. a communicating pipe; 53. a collection pipe; 54. a discharge pipe; 55. a discharge pipe; 56. a third pump body; 57. a delivery pipe; 6. a fixed tube; 7. a sewage pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a technical solution: the utility model provides a device of waste water recovery aniline in rubber accelerator DPG condensation, including waste water storage tank 1, one side of waste water storage tank 1 is provided with pretreatment mechanism 4 that has waste water filtering reaction function and subsides the mechanism 5 with having the aniline function of subsiding, and pretreatment mechanism 4 is linked together with subside mechanism 5, the opposite side of waste water storage tank 1 is provided with roots's fan 2, there is waste water to advance tub 3 at waste water storage tank 1's top through the fixed intercommunication of valve, roots's fan 2's the fixed intercommunication of input has the aeration pipe, roots's fan 2's output is linked together with waste water storage tank 1's top, can utilize roots's fan 2 to let in the organic component in air aeration oxidation waste water storage tank 1, make it precipitate out to become macromolecular organic matter.

The pretreatment mechanism 4 comprises a filter tank 41, a deamination tower 42, a first pump body 43, a liquid discharge pipe 44 and a second pump body 45, the bottom of the wastewater storage tank 1 is communicated with the input end of the first pump body 43 through a valve, the output end of the first pump body 43 is communicated with the top of the filter tank 41, the bottom of the deamination tower 42 is communicated with the liquid discharge pipe 44 through a valve, the bottom end of the liquid discharge pipe 44 is communicated with the input end of the second pump body 45, a heater is arranged inside the deamination tower 42, the output end of the second pump body 45 is communicated with the heater inside the deamination tower 42 through a valve, the outer surface of the liquid discharge pipe 44 is fixedly communicated with a fixed pipe 6 through a valve, with the pretreatment mechanism 4, wastewater containing solid organic matter in the wastewater storage tank 1 can be pumped into the filtration tank 41 by the first pump 43 and filtered, and the filtrate after filtration can be heated by the heater pumped into the deamination tower 42 through the drain pipe 44 by the operation of the second pump 45.

The sedimentation mechanism 5 comprises a third pump body 56, a delivery pipe 57, a collecting pipe 53, a discharging pipe 54 and three cone bottom aniline recovery tanks 51, wherein a communicating pipe 52 is fixedly communicated between each cone bottom aniline recovery tank 51, the top of the deamination tower 42 is fixedly communicated with the delivery pipe 57, the bottom end of the delivery pipe 57 is communicated with the top of the first cone bottom aniline recovery tank 51 through a valve, the bottom of each cone bottom aniline recovery tank 51 is fixedly communicated with the collecting pipe 53, the bottom end of the collecting pipe 53 is communicated with the input end of the third pump body 56, the output end of the third pump body 56 is communicated with the discharging pipe 54, the other end of the discharging pipe 54 is communicated with an external aniline storage tank, the top of the third cone bottom aniline recovery tank 51 is fixedly communicated with a discharging pipe 55, the right end of the fixing pipe 6 is communicated with the discharging pipe 55, the bottom end of the discharging pipe 55 is fixedly communicated with a sewage pipe 7 through a valve, and the sewage pipe 7 is communicated with an external sewage station, the aniline and steam mixture in the deamination tower 42 can fall into the conveying pipe 57 through the top packing layer in the wastewater storage tank 1 and reach the first cone-bottom aniline recovery tank 51, the aniline and steam mixture is settled to the bottom of each cone-bottom aniline recovery tank 51 in a first-level manner through the settlement under the communication of the communication pipe 52, the other part of wastewater containing a small amount of aniline is circulated to the deamination tower 42 through the feeding pump to be distilled and recovered, when the COD (chemical oxygen demand) of the bottom water outlet of the cone-bottom aniline recovery tank 51 is below 2000, the wastewater in the cone-bottom aniline recovery tank 51 can be discharged into a sewage treatment station through the discharge pipe 55 and the sewage pipe 7 for treatment, the recovered aniline is pumped into the external aniline storage tank through the discharge pipe 54 by the suction of the third pump body 56 after being settled, and is recycled, so that the device can recover aniline for reuse on one hand, the consumption is reduced, on the other hand, COD and ammonia nitrogen in the wastewater can be reduced, the use amount of medicaments such as hydrogen peroxide and the like in Fenton oxidation is reduced, the subsequent organisms can be more favorably carried out, the treatment capacity is enhanced, the COD and ammonia nitrogen are reduced, and the environmental pollution is reduced.

The working principle is as follows: when in use, waste water is pumped into the waste water storage tank 1 through the waste water inlet pipe 3, organic components in the waste water storage tank 1 are oxidized by introducing air through the Roots blower 2 to be precipitated as macromolecular organic matters, the waste water containing the solid organic matters in the waste water storage tank 1 is pumped into the filter tank 41 to be filtered by utilizing the first pump body 43, the filtered filtrate is heated by the heater pumped into the deammoniation tower 42 through the liquid discharge pipe 44 by utilizing the operation of the second pump body 45, the mixture of aniline and water vapor in the deammoniation tower 42 falls into the conveying pipe 57 through the top packing layer in the waste water storage tank 1 and reaches the first cone-bottom aniline recovery tank 51, under the communication of the communication pipe 52, the mixture of aniline and water vapor is settled to settle to the bottom of each cone-bottom aniline recovery tank 51 in a first level through settlement, and the other part of the waste water containing trace aniline is circulated to the deammoniation tower 42 through the feeding pump to be distilled and recovered as aniline When the bottom delivery port chemical examination COD of awl end aniline recovery tank 51 is below 2000, can discharge into the sewage treatment station through discharge pipe 55 and sewer pipe 7 with the waste water in the awl end aniline recovery tank 51 and handle, the aniline of retrieving will utilize the extraction of third pump body 56 to squeeze into outside aniline storage tank through arranging material pipe 54 with aniline after subsiding in, cyclic recycle, make the device can retrieve aniline and recycle on the one hand, reduce consumption, COD and ammonia nitrogen reduce in can making waste water on the other hand, the use amount of medicaments such as hydrogen peroxide solution when reducing fenton oxidation, be more favorable to going on of back biology, the throughput has been strengthened, COD and ammonia nitrogen have been reduced, environmental pollution has been reduced.

Claims (3)

1. The utility model provides a device of waste water recovery aniline in rubber accelerator DPG condensation, includes waste water storage tank (1), its characterized in that: the sewage treatment device is characterized in that a pretreatment mechanism (4) with a sewage filtering reaction function and a sedimentation mechanism (5) with an aniline sedimentation function are arranged on one side of the sewage storage tank (1), the pretreatment mechanism (4) and the sedimentation mechanism (5) are communicated, a Roots blower (2) is arranged on the other side of the sewage storage tank (1), the top of the sewage storage tank (1) is fixedly communicated with a sewage inlet pipe (3) through a valve, the input end of the Roots blower (2) is fixedly communicated with an aerator pipe, and the output end of the Roots blower (2) is communicated with the top of the sewage storage tank (1).

2. The device for recovering aniline from waste water generated in the condensation of rubber accelerator DPG as claimed in claim 1, wherein: pretreatment unit (4) are including the filter-tank (41), deamination tower (42), the first pump body (43), fluid-discharge tube (44) and the second pump body (45), the bottom of waste water storage tank (1) is linked together through the input of valve and the first pump body (43), the output of the first pump body (43) is linked together with the top of filter-tank (41), there is fluid-discharge tube (44) bottom of deamination tower (42) through the valve intercommunication, the bottom of fluid-discharge tube (44) is linked together with the input of the second pump body (45), the inside of deamination tower (42) is provided with the heater, the output of the second pump body (45) is linked together through valve and the inside heater of deamination tower (42), the surface of fluid-discharge tube (44) is fixed the intercommunication through the valve and is fixed tub (6).

3. The device for recovering aniline from waste water generated in the condensation of rubber accelerator DPG as claimed in claim 2, wherein: the sedimentation mechanism (5) comprises a third pump body (56), a delivery pipe (57), a collection pipe (53), a discharge pipe (54), a discharge pipe (55) and three cone bottom aniline recovery tanks (51), wherein a communication pipe (52) is fixedly communicated between each cone bottom aniline recovery tank (51), the delivery pipe (57) is fixedly communicated with the top of the deamination tower (42), the bottom end of the delivery pipe (57) is communicated with the top of the first cone bottom aniline recovery tank (51) through a valve, the bottom of each cone bottom aniline recovery tank (51) is fixedly communicated with the collection pipe (53), the bottom end of the collection pipe (53) is communicated with the input end of the third pump body (56), the output end of the third pump body (56) is communicated with the discharge pipe (54), the other end of the discharge pipe (54) is communicated with an external aniline storage tank, and the top of the third cone bottom aniline recovery tank (51) is fixedly communicated with the discharge pipe (55), the right end of the fixed pipe (6) is communicated with a discharge pipe (55), and the bottom end of the discharge pipe (55) is fixedly communicated with a sewage pipe (7) through a valve.

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