阅读说明：本技术 一种基于高浓度制药废水处理的闭环处理工艺 (Closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment ) 是由 尚凯 李鸿坤 曾勇菲 于 2021-09-08 设计创作，主要内容包括：本发明提供一种基于高浓度制药废水处理的闭环处理工艺。所述基于高浓度制药废水处理的闭环处理工艺包括以下步骤：S1优先将制药废水进行分类出溶解药液和固废药液储存；S2将S1步骤中分类的溶解药液进行电解分离处理。本发明提供的基于高浓度制药废水处理的闭环处理工艺,通过对制药废水进行分类储存,分类储存后的溶解药液进行电解分离,以初步净化不同类型的制药废水,电解后将制药废水集中进行初级沉淀,初级沉淀后依次经过水解酸化处理、厌氧处理和循环净化处理,并且净化达标后的水源集中收集和储存,储存后的水源一方面方便对设备的清洗和维护,达到制药废水处理的闭环处理和循环利用,提高医药废水净化的充分利用率。(The invention provides a closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment. The closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment comprises the following steps: s1, the pharmaceutical wastewater is preferentially classified into a dissolved liquid medicine and a solid waste liquid medicine for storage; s2, the dissolved chemical liquid classified in the step S1 is subjected to electrolytic separation treatment. According to the closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment, pharmaceutical wastewater is classified and stored, dissolved liquid medicine after classified storage is subjected to electrolytic separation, pharmaceutical wastewater of different types is preliminarily purified, the pharmaceutical wastewater is subjected to primary precipitation after electrolysis, hydrolysis acidification treatment, anaerobic treatment and circular purification treatment are sequentially carried out after primary precipitation, purified water sources reaching standards are collected and stored in a centralized manner, the stored water sources are convenient to clean and maintain equipment on one hand, closed-loop treatment and cyclic utilization of pharmaceutical wastewater treatment are achieved, and the full utilization rate of pharmaceutical wastewater purification is improved.)

1. A closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment is characterized by comprising the following steps:

s1, the pharmaceutical wastewater is preferentially classified into a dissolved liquid medicine and a solid waste liquid medicine for storage;

s2, carrying out electrolytic separation treatment on the dissolved liquid medicine classified in the step S1;

s3, carrying out primary precipitation on the solid waste liquid medicine classified in the S1 step and the waste liquid after electrolytic separation in the S2 step;

s4, hydrolyzing and acidifying the aqueous solution after the primary precipitation in the step S3;

s5, carrying out anaerobic treatment on the solution subjected to hydrolytic acidification treatment in the step S4;

s6, carrying out secondary precipitation treatment on the solution after anaerobic treatment in the step S5, filtering the solution after the secondary precipitation treatment by a membrane bioreactor, and refluxing to the hydrolysis acidification treatment in the step S4;

and S7, storing the water source circularly purified in the step S6 in a water storage way, and sterilizing and cleaning the inside of the hydrolytic acidification processing equipment and the inside of the anaerobic processing equipment by the water source after water storage and storage through steam generation equipment.

2. The closed loop treatment process based on high concentration pharmaceutical wastewater treatment as claimed in claim 1, wherein the solution liquid medicine and the solid waste liquid medicine at the classification of step S1 are stored separately without affecting each other, and the solution after the electrolytic separation treatment of step S2 is mixed with the solid waste solution and is intensively delivered to the inside of the primary sedimentation.

3. The closed loop treatment process for high concentration pharmaceutical wastewater treatment according to claim 1, wherein the step S3 is to sterilize, flocculate and remove impurities from the precipitation solution while performing the primary precipitation.

4. The closed loop treatment process for high concentration pharmaceutical wastewater treatment according to claim 1, wherein the hydrolysis acidification treatment in step S4 is performed by using a multi-reaction chamber structure inside the hydrolysis acidification device.

5. The closed loop treatment process for treating high concentration pharmaceutical wastewater according to claim 1, wherein an anaerobic reactor is used for anaerobic treatment in step S5, and steam is periodically injected into the reactor for cleaning and disinfection.

6. The closed loop treatment process based on high concentration pharmaceutical wastewater treatment as claimed in claim 1, wherein in the secondary precipitation treatment in step S6, the precipitated product is filtered and purified by a membrane bioreactor, and the purified water source is re-introduced into the hydrolysis acidification treatment step to be purified for multiple cycles of water source purification to obtain qualified water discharge standard.

7. The closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment as claimed in claim 6, wherein the qualified water resource is discharged in a centralized manner inside the water storage facility for the purpose of water source backup, and the water source can be used for equipment cleaning on one hand and then re-enters the pharmaceutical wastewater classification and purification steps after cleaning to form closed-loop treatment for water source purification.

8. The closed-loop treatment process for high concentration pharmaceutical wastewater treatment according to claim 7, wherein the input end of the steam generator in step S7 is connected to the output end of the storage device through a water pump, the steam generator is capable of vaporizing the water source during operation, and the output end of the steam generator is connected to the electrolysis treatment module, the hydrolysis acidification treatment device and the anaerobic treatment device respectively.

9. The closed loop treatment process based on high concentration pharmaceutical wastewater treatment as claimed in claim 8, wherein when the steam generator is operated to input high temperature steam into the interior of the equipment, the temperature is controlled between 90-100 ℃ to purify and clean the water purification space in the equipment.

10. A closed loop treatment process based on high concentration pharmaceutical wastewater treatment according to claim 1, wherein the steam generating device requires stable control and installation in use, thus requiring the use of connection devices to the steam generating device, comprising: the steam generator comprises an installation box, wherein a steam generator is installed inside the installation box, an input pipe is arranged at the input end of the steam generator, a drainage pipe is installed at the output end of the steam generator, a transfer box is installed at the output end of the drainage pipe, three groups of steam exhaust pipes are arranged at the output end of the transfer box, a telescopic part is arranged at the bottom of the transfer box, a linkage push plate is fixedly installed at the output end of the telescopic part, a first regulating plate is fixedly installed at the top of the linkage push plate, a second regulating plate is fixedly connected to the top of the linkage push plate, a first limiting sliding plate is fixedly installed at the bottom end of the second regulating plate, a first buffer spring is arranged between the surface of the second regulating plate and the surface of the linkage push plate, a third regulating plate is fixedly installed at the top of the linkage push plate, and a second limiting sliding plate is fixedly installed at the bottom of the third regulating plate, and a second buffer spring is arranged between the bottom of the third regulating plate and the top of the linkage push plate, a return pipe is arranged at the bottom of the transit box, and a control valve is arranged on the return pipe.

Technical Field

The invention relates to the technical field of high-concentration pharmaceutical wastewater treatment, in particular to a closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment.

Background

With the continuous development and progress of medical technology, in the process of medicine processing, a large amount of water resources are required to be used, the water resources can generate a large amount of medical wastewater when being used, the medical wastewater can be accumulated and abandoned in a large amount after being output, and the discarded medical wastewater can generate environmental pollution after being discharged into a river.

With the increasing complexity of pharmaceutical ingredients, the impurities contained in pharmaceutical wastewater are increased, and the complexity of the structure and characteristics of pollutants causes incomplete purification and treatment of wastewater, thereby affecting the quality of wastewater recovery and purification treatment.

In the prior art, in the existing high-concentration pharmaceutical wastewater treatment process, in the wastewater treatment process, when wastewater is treated, the produced qualified discharge water source is directly discharged and cannot be reused in the pharmaceutical wastewater treatment step process so as to realize closed-loop treatment of wastewater treatment.

Therefore, there is a need to provide a closed loop treatment process based on high concentration pharmaceutical wastewater treatment to solve the above technical problems.

Disclosure of Invention

The invention provides a closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment, which solves the problem that a qualified water source is inconvenient to recycle during high-concentration pharmaceutical wastewater treatment.

In order to solve the technical problem, the closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment provided by the invention comprises the following steps of:

s1, the pharmaceutical wastewater is preferentially classified into a dissolved liquid medicine and a solid waste liquid medicine for storage;

s2, carrying out electrolytic separation treatment on the dissolved liquid medicine classified in the step S1;

s3, carrying out primary precipitation on the solid waste liquid medicine classified in the S1 step and the waste liquid after electrolytic separation in the S2 step;

s4, hydrolyzing and acidifying the aqueous solution after the primary precipitation in the step S3;

s5, carrying out anaerobic treatment on the solution subjected to hydrolytic acidification treatment in the step S4;

s6, carrying out secondary precipitation treatment on the solution after anaerobic treatment in the step S5, filtering the solution after the secondary precipitation treatment by a membrane bioreactor, and refluxing to the hydrolysis acidification treatment in the step S4;

and S7, storing the water source circularly purified in the step S6 in a water storage way, and sterilizing and cleaning the inside of the hydrolytic acidification processing equipment and the inside of the anaerobic processing equipment by the water source after water storage and storage through steam generation equipment.

Preferably, the solution chemical solution and the solid waste chemical solution classified in step S1 are stored separately and are not affected by each other during storage, and the solution after the electrolytic separation in step S2 is mixed with the solid waste solution and is collectively transported to the inside of the primary precipitate.

Preferably, the step S3 is to sterilize, flocculate and remove impurities from the precipitation solution while performing the primary precipitation.

Preferably, when the hydrolysis and acidification processing is performed in step S4, the hydrolysis and acidification device is configured with multiple reaction chambers.

Preferably, in the anaerobic treatment in step S5, an anaerobic reactor is used for anaerobic reaction, and steam is periodically injected into the interior of the apparatus for cleaning and disinfection.

Preferably, in the step S6, during the secondary precipitation treatment, the precipitated product is filtered and purified by the membrane bioreactor, and the purified water source is recycled to the hydrolysis acidification treatment step to purify the water source for multiple times, so as to obtain a qualified water discharge standard.

Preferably, the qualified water resources are intensively discharged inside the water storage equipment for standby of the water resources, and the water resources can be used for cleaning the equipment on one hand and reenter the medical wastewater classification and purification step after cleaning to form closed-loop treatment of water resource purification.

Preferably, in the step S7, an input end of the steam generator is connected to an output end of the storage device through a water pump, the steam generator is capable of vaporizing the water source during operation, and the output end of the steam generator is respectively communicated with the electrolysis treatment module, the hydrolysis acidification treatment device and the anaerobic treatment device.

Preferably, when the high-temperature steam is input into the steam generator during operation, the temperature is controlled to be 90-100 ℃ to purify and clean the water purification space inside the steam generator.

Preferably, the steam generating apparatus requires stable control and installation in use, and thus requires the use of a connection apparatus to the steam generating apparatus, including: the steam generator comprises an installation box, wherein a steam generator is installed inside the installation box, an input pipe is arranged at the input end of the steam generator, a drainage pipe is installed at the output end of the steam generator, a transfer box is installed at the output end of the drainage pipe, three groups of steam exhaust pipes are arranged at the output end of the transfer box, a telescopic part is arranged at the bottom of the transfer box, a linkage push plate is fixedly installed at the output end of the telescopic part, a first regulating plate is fixedly installed at the top of the linkage push plate, a second regulating plate is fixedly connected to the top of the linkage push plate, a first limiting sliding plate is fixedly installed at the bottom end of the second regulating plate, a first buffer spring is arranged between the surface of the second regulating plate and the surface of the linkage push plate, a third regulating plate is fixedly installed at the top of the linkage push plate, and a second limiting sliding plate is fixedly installed at the bottom of the third regulating plate, and a second buffer spring is arranged between the bottom of the third regulating plate and the top of the linkage push plate, a return pipe is arranged at the bottom of the transit box, and a control valve is arranged on the return pipe.

Compared with the related technology, the closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment provided by the invention has the following beneficial effects:

the invention provides a closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment, which is characterized in that pharmaceutical wastewater is classified and stored, dissolved liquid medicine after classified storage is subjected to electrolytic separation to preliminarily purify pharmaceutical wastewater of different types, the pharmaceutical wastewater is concentrated and subjected to primary precipitation after electrolysis, the primary precipitation is sequentially subjected to hydrolytic acidification treatment, anaerobic treatment and cyclic purification treatment, purified water sources reaching standards are collected and stored in a concentrated manner, the stored water sources are convenient to clean and maintain equipment on one hand, closed-loop treatment and cyclic utilization of pharmaceutical wastewater treatment are achieved, and the full utilization rate of pharmaceutical wastewater purification is improved.

Drawings

FIG. 1 is a process flow diagram of a closed loop treatment process based on high concentration pharmaceutical wastewater treatment provided by the present invention;

FIG. 2 is a schematic view of the connection device of the steam generating apparatus shown in FIG. 1 when installed for use;

FIG. 3 is a cross-sectional view of the portion of the mounting box shown in FIG. 2;

fig. 4 is a cross-sectional view of the section of the transfer box shown in fig. 3.

Reference numbers in the figures:

1. installing a box;

2. a steam generating device 21, an input pipe 22 and a drainage pipe;

3. a transfer box;

4. a steam exhaust pipe;

5. a telescopic member 51, a linkage push plate;

6. a first regulation plate;

7. the second regulating plate 71, the first limiting sliding plate 72 and the first buffer spring;

8. a third regulating plate 81, a second limiting sliding plate 82 and a second buffer spring;

9. return line, 91, control valve.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

The first embodiment:

referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a process flow diagram of a closed-loop treatment process based on high concentration pharmaceutical wastewater treatment according to the present invention; FIG. 2 is a schematic view of the connection device of the steam generating apparatus shown in FIG. 1 when installed for use; FIG. 3 is a cross-sectional view of the portion of the mounting box shown in FIG. 2; fig. 4 is a cross-sectional view of the section of the transfer box shown in fig. 3.

A closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment comprises the following steps:

s1, the pharmaceutical wastewater is preferentially classified into a dissolved liquid medicine and a solid waste liquid medicine for storage;

s2, carrying out electrolytic separation treatment on the dissolved liquid medicine classified in the step S1;

s3, carrying out primary precipitation on the solid waste liquid medicine classified in the S1 step and the waste liquid after electrolytic separation in the S2 step;

s4, hydrolyzing and acidifying the aqueous solution after the primary precipitation in the step S3;

s5, carrying out anaerobic treatment on the solution subjected to hydrolytic acidification treatment in the step S4;

s6, carrying out secondary precipitation treatment on the solution after anaerobic treatment in the step S5, filtering the solution after the secondary precipitation treatment by a membrane bioreactor, and refluxing to the hydrolysis acidification treatment in the step S4;

and S7, storing the water source circularly purified in the step S6 in a water storage way, and sterilizing and cleaning the inside of the hydrolytic acidification processing equipment and the inside of the anaerobic processing equipment by the water source after water storage and storage through steam generation equipment.

And (3) storing the solution liquid medicine and the solid waste liquid medicine in the classification part in the step (S1) in a classification way, wherein the storage is not influenced mutually, and the solution subjected to electrolytic separation in the step (S2) is mixed with the solid waste solution and is conveyed to the interior of the primary sediment in a centralized manner.

The step S3 is to sterilize, flocculate and remove impurities from the precipitation solution while performing the primary precipitation.

When the hydrolysis acidification processing is performed in the step S4, the hydrolysis acidification device has a multi-reaction chamber structure inside.

In the step S5, an anaerobic reactor is used for anaerobic reaction during anaerobic treatment, and steam is periodically injected into the reactor during reaction to clean and sterilize the reactor.

In the step S6, during the secondary precipitation treatment, the precipitated product is filtered and purified by the membrane bioreactor, and the purified water source is recycled to the hydrolysis acidification treatment step to purify the water source for multiple times, so as to obtain a qualified water discharge standard.

Qualified water resources are intensively discharged in the water storage equipment for standby of the water source, and the water source can be used for cleaning the equipment and enters the steps of classifying and purifying the medical wastewater again after being cleaned to form closed-loop treatment of water source purification.

In the step S7, the input end of the steam generator is connected with the output end of the storage device through the water pump, the water source can be vaporized during operation of the steam generator, and the output end of the steam generator is respectively communicated with the electrolysis treatment module, the hydrolysis acidification treatment device and the anaerobic treatment device.

When high-temperature steam is input into the steam generator during operation, the temperature is controlled to be 90-100 ℃ to purify and clean the water purifying space inside the steam generator.

Through steam cleaning and disinfection, the cleaning and use quality in the purifying equipment is kept, and stable support and guarantee are provided for the continuous operation of the equipment.

The steam generating apparatus requires stable control and installation when in use, and thus requires the use of a connecting apparatus to the steam generating apparatus, including: the installation box 1, the internally mounted of installation box 1 has steam generator 2, the input of steam generator 2 is provided with input tube 21 to drainage tube 22 is installed to steam generator 2's output, transfer case 3 is installed to the output of drainage tube 22, the output of transfer case 3 is provided with three groups of steam exhaust pipes 4, the bottom of transfer case 3 is provided with extensible member 5, the output fixed mounting of extensible member 5 has linkage push pedal 51, the top fixed mounting of linkage push pedal 51 has first regulation and control board 6 to the top fixedly connected with second regulation and control board 7 of linkage push pedal 51, the bottom fixed mounting of second regulation and control board 7 has first spacing slide 71, the surface of second regulation and control board 7 with be provided with first buffer spring 72 between the surface of linkage push pedal 51, the top fixed mounting of linkage push pedal 51 has third regulation and control board 8, the bottom of the third control plate 8 is fixedly provided with a second limiting sliding plate 81, a second buffer spring 82 is arranged between the bottom of the third control plate 8 and the top of the linkage push plate 51, the bottom of the transfer box 3 is provided with a return pipe 9, and the return pipe 9 is provided with a control valve 91.

The input of steam generation device 2 sets up input tube 21, and the input of input tube 21 extracts with the water source of the inside storage of retaining storage facilities, connects external power when steam generation device 2 uses for the emergence of steam.

The output of drainage tube 22 communicates with the inside of transfer case 3, and the surface mounting of transfer case 3 is in the inside of installing bin 1 to steam conveniently transmits to the inside of three group's exhaust pipe 4 through transfer case 3, so that the transmission of steam.

The interiors of the three groups of steam exhaust pipes 4 are communicated with the interior of the transfer box 3;

the extensible member 5 adopts the pneumatic cylinder, connect external hydraulic equipment during the use, the output of extensible member 5 runs through the surface of transfer case 3 and extends to the inside of transfer case 3 to the output of extensible member 5 and the surface sliding connection of transfer case 3, linkage push pedal 51 is located the inside of transfer case 3, and the surface of linkage push pedal 51 and the internal surface sliding connection of transfer case 3, with the stability of guarantee linkage push pedal 51 lift adjustment.

The first regulating plate 6, the second regulating plate 7 and the third regulating plate 8 on the linkage push plate 51 are convenient to move up and down for regulation, and the first regulating plate 6, the second regulating plate 7 and the third regulating plate 8 respectively correspond to the three groups of steam exhaust pipes 4;

the bottom of the second control plate 7 is connected with a first limiting sliding plate 71, the bottom end of the first limiting sliding plate 71 penetrates through the surface of the linkage push plate 51 and extends to the lower part of the linkage push plate 51, the surface of the first limiting sliding plate 71 is connected with the surface of the linkage push plate 51 in a sliding manner, a first buffer spring 72 connected between the bottom of the second control plate 7 and the top of the linkage push plate 51 provides support and limitation for the lifting adjustment of the second control plate 7, and the surface of the second control plate 7 is connected with the inner surface of the transfer box 3 in a sliding manner.

The bottom of the third regulating plate 8 is connected with a second limiting sliding plate 81, the bottom end of the second limiting sliding plate 81 penetrates through the surface of the linkage push plate 51 and extends to the lower part of the linkage push plate 51, the surface of the second limiting sliding plate 81 is in sliding connection with the surface of the linkage push plate 51, a second buffer spring 82 is connected between the bottom of the third regulating plate 8 and the top of the linkage push plate 51 to support and limit the lifting adjustment of the third regulating plate 8, and the surface of the third regulating plate 8 is in sliding connection with the inner surface of the transfer box 3;

the third regulating plate 8 is preferably abutted against the top of the inner wall of the transit box 3 when ascending and descending, so that the first steam exhaust pipe 4 is shielded and sealed;

when the second regulating plate 7 is lifted upwards, the second regulating plate is abutted against the top of the inner wall of the transfer box 3 after being sealed by the third regulating plate 8, so that the second steam exhaust pipe 4 is shielded and sealed;

when first regulation and control board 6 goes up and down, follow the third top butt with 3 inner walls of transfer case behind the second regulation and control board 7 seal, realize sheltering from and sealing up third exhaust pipe 4.

The first regulation and control plate 6, the second regulation and control plate 7 and the third regulation and control plate 8 can be synchronously adjusted by the aid of the Knoop linkage push plate 51 to move upwards in a stretching and retracting manner, and the opening number of the steam exhaust pipes 4 is controlled by controlling the linkage push plate 51 to ascend and descend.

Compared with the related technology, the closed-loop treatment process based on high-concentration pharmaceutical wastewater treatment provided by the invention has the following beneficial effects:

through carrying out classified storage to pharmaceutical waste water, the solution liquid medicine after the classified storage carries out the electrolytic separation, with the pharmaceutical waste water of preliminary purification different grade type, concentrate pharmaceutical waste water behind the electrolysis and carry out primary sediment, primary sediment is back in proper order through hydrolysis acidification, anaerobic treatment and circulation purification treatment, and purify the water source after up to standard and concentrate and collect and store, the water source after storing is convenient on the one hand to the washing and the maintenance of equipment, reach pharmaceutical waste water treatment's closed loop and handle and cyclic utilization, improve the make full use of that pharmaceutical waste water purifies.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.