CN203966434U - A kind of pharmaceutical wastewater treatment process instructional device - Google Patents

Abstract

The utility model belongs to the field of teaching instruments. The technical problem to be solved is to provide a pharmaceutical wastewater treatment process teaching device with strong pertinence, advanced technology, easy operation, good teaching, stable performance, safety and reliability. In order to solve the above problems, the technical solution adopted by the utility model includes an electric control system, a water supply system connected by pipelines, a sewage treatment system, and an exhaust gas purification system. The utility model has the advantages of condensing a real pharmaceutical wastewater treatment plant into a teaching device, solving the contradiction between the materialization and operability of the simulation engineering teaching device, and facilitating observation and teaching.

Description

A teaching device for pharmaceutical wastewater treatment process

technical field

The utility model relates to a comprehensive experimental device for skill training and experimental teaching in middle and high vocational colleges and undergraduate colleges, in particular to a teaching device for pharmaceutical wastewater treatment technology.

Background technique

Pharmaceutical wastewater mainly includes four categories: antibiotic production wastewater, synthetic drug production wastewater, Chinese patent medicine production wastewater, and washing water and flushing wastewater in the production process of various preparations. It is characterized by complex components, high organic content, high toxicity, deep color and high salt content, especially poor biochemical properties, and intermittent discharge. It is a difficult-to-treat industrial wastewater. Conventional, single treatment process is difficult to achieve good results.

At the same time, traditional engineering experimental devices only focus on the research of common sewage and commonly used single treatment processes, lacking pertinence and comprehensiveness. The characteristics of pharmaceutical wastewater cannot be well explained, teaching demonstrations and practical operations.

Utility model content

The technical problem to be solved by the utility model is to provide a pharmaceutical wastewater treatment process teaching device with strong pertinence, advanced technology, easy operation, good teaching, stable performance, safety and reliability.

In order to solve the above problems, the technical solution adopted by the utility model includes an electric control system, a water supply system connected by pipelines, a sewage treatment system, and an exhaust gas purification system;

The water supply system includes a raw water tank and a mixer installed above the raw water tank;

The sewage treatment system includes connecting the ABR tank and the EGSB reactor through the air pipe, and the EGSB reactor is connected to the adjustment tank, the SBR tank, the clean water tank and the constant temperature system in turn through the water pipe;

The exhaust gas purification system includes an activated carbon adsorption tank and granular activated carbon arranged above the adsorption tank, and the activated carbon adsorption tank is connected to a wet gas flow meter through a gas pipe;

The electric control system includes a manual control system and an automatic control system for controlling the operation of the system.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the ABR pool includes a water bath box, an ABR pool body and fillers.

The teaching device for the treatment of pharmaceutical wastewater is characterized in that the ABR tank body is composed of a shell, a water distribution pipe, a baffle plate, and a filler bracket.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the EGSB reactor is composed of a water bath layer and an EGSB column.

The above-mentioned teaching device for pharmaceutical wastewater treatment process is characterized in that: the constant temperature system includes a stainless steel hot water tank and heating pipes.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the EGSB column is composed of a base, a water distribution plate, an anaerobic zone, a three-phase separator and an outlet weir.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the SBR tank is composed of SBR tank body, siphon water outlet system, mud discharge system, double float switch, aeration disc and aeration machine.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the automatic control system is composed of a temperature control system and an SBR control system, and the SBR control system is composed of a single-chip microcomputer, including a main control board, a strong current control board and display board.

The teaching device for pharmaceutical wastewater treatment process is characterized in that: the ABR pool, EGSB reactor, regulating pool and SBR pool are all made of transparent materials.

The device rationally combines four parts, water supply system, sewage treatment system, tail gas purification system and electric control system, into the device platform according to the characteristics of pharmaceutical wastewater and the technical specification requirements of the combined process of ABR-EGSB-SBR, reflecting the The teaching equipment is pertinent, advanced, comprehensive and practical.

The ABR tank is an anaerobic reaction tank with multi-stage baffles. It can not only remove most of the suspended solids and sediment, but also make the soluble organic matter undergo hydrolysis and acidification reaction; on the premise of separating the hydrolysis and acidification stage from the methanation stage, they are different. Anaerobic microorganisms provide the best environment for their own survival, so as to achieve higher efficiency of anaerobic treatment of sewage. At the same time, the ABR pool is equipped with iron-carbon fillers with a special structure. When the iron filings are immersed in the acidic wastewater solution, a redox reaction occurs: Fe+2H+=Fe2++H2↑, the above reaction increases the pH value of the wastewater; in addition, the iron-carbon The micro-electrolysis reaction of the filler produces new ecological Fe2+, which improves the biological activity of microorganisms and promotes the hydrolysis process, creating good conditions for the methanogenic reaction of the EGSB reactor.

The core of the ABR-EGSB-SBR combined process is the EGSB reactor, which undertakes most of the organic matter reduction functions. The EGSB reactor is the anaerobic expanded granular sludge bed, which belongs to the third generation of anaerobic reactor. Compared with the second-generation anaerobic reactor, the EGSB reactor has the characteristics of small footprint, high biomass per unit volume of the reactor, and the ability to withstand high impact loads; the microorganisms in the EGSB reactor are immobilized with granular sludge The method exists in the reactor, so that sufficient contact can be maintained between the wastewater and the sludge, thereby achieving an efficient anaerobic reaction.

The SBR tank is the sequenced batch activated sludge aeration tank. It is a sewage treatment process that periodically completes the aerobic aeration and sedimentation separation processes in the same device. The operation is very flexible and convenient. It only needs to be based on the water quality of the wastewater. Change in time to set relevant parameters, adjust the operating program, it can run autonomously, so as to achieve a higher processing effect.

The utility model has the advantages of condensing a real pharmaceutical wastewater treatment plant into a teaching device, solving the contradiction between the materialization and operability of the simulation engineering teaching device, and facilitating observation and teaching. At the same time, the use of the combination process of ABR-EGSB-SBR shows the treatment characteristics of difficult wastewater, highlights the advanced nature of the combination process, improves the comprehensive quality of students, and cultivates students' sustainable development ability. According to the teaching design requirements, clarify the characteristics and hazards of pharmaceutical wastewater, recognize the process flow of pharmaceutical wastewater treatment and the structural characteristics and operating parameters of related structures, understand the use and maintenance methods of common equipment and experimental equipment, and conduct related experiments on pharmaceutical wastewater treatment (Including: single test run of a single structure, overall linkage of the entire set of equipment, inoculation and domestication of activated sludge, purification treatment of pharmaceutical wastewater, monitoring records of relevant experimental data, etc.).

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the structure of the ABR pool;

Figure 3 is a schematic diagram of the structure of the EGSB column;

Figure 4 is a schematic diagram of the structure of the SBR pool;

Figure 5 is a process flow diagram of the utility model.

Detailed ways

As shown in Figures 1 to 4, the pharmaceutical wastewater treatment process teaching device of the present utility model is mainly composed of a water supply system, a sewage treatment system, an exhaust gas purification system and an electric control system 25, wherein the water supply system, the sewage treatment system, and the exhaust gas purification system All are reasonably arranged on the frame and connected with pipes, joints and valves. The water supply system includes a raw water tank 1 and a mixer 9 installed above the raw water tank 1 . The sewage treatment system includes connecting the ABR pool 2 and the EGSB reactor 3 through air pipes, and the EGSB reactor 3 is connected to the regulating pool 4, the SBR pool 5, the clean water tank 7 and the constant temperature system in sequence through water pipes. The exhaust gas purification system includes an activated carbon adsorption tank 6 and granular activated carbon 24 arranged above the adsorption tank 6 , and the activated carbon adsorption tank 6 is connected to a wet gas flow meter 13 through a gas pipe. The electronic control system 25 includes a manual control system and an automatic control system, which are used to control the operation of the system, including the operation of the braking force system, the temperature control system and the solenoid valve.

The ABR pool 2 includes a water bath box 26, an ABR pool body 27 and fillers. The filler includes iron-carbon fillers 22 and spherical fillers 23. The ABR pool 2 is connected with two metering pumps 10. The regulating pool 4 includes a pool body and a single float switch 16 . The ABR tank body 27 is composed of a housing 28 , a water distribution pipe 29 , a baffle 30 , and a filler bracket 31 . The EGSB reactor 3 is composed of a water bath layer 32 and an EGSB column 33 . The EGSB column 33 is composed of a base 34 , a water distribution plate 35 , an anaerobic zone 36 , a three-phase separator 37 and an outlet weir 38 . The SBR pool 5 is composed of an SBR pool body 39 , a siphon outlet system 40 , a mud discharge system 41 , a double float switch 17 , an aeration disc 19 and an aerator 20 . Described constant temperature system comprises stainless steel hot water tank 8, and heating pipe 21. The automatic control system is composed of a temperature control system and an SBR control system, and the SBR control system is composed of a single-chip microcomputer, including a main control board, a strong current control board and a display board. The ABR pool 2, EGSB reactor 3, regulating pool 4 and SBR pool 5 are all made of transparent materials.

In the above scheme, a PT100 15 is respectively housed on the described ABR pool 2, the EGSB reactor 3 and the stainless steel hot water tank 8, so that the real-time temperature can be accurately measured. There is a circulating water pump 11 outside the EGSB reactor 3 and the stainless steel hot water tank 8 to provide power for the circulating water flow. The regulating pool 4 and the SBR pool 5 are equipped with a solenoid valve 18 to switch on and off the water flow and the air flow. SBR pool 5 is provided by air pump 12 and flow meter 14. The automatic control system is composed of temperature control system and SBR control system. temperature, temperature control; gas source. The SBR control system controls the SBR pool to enter the five processing stages of water inflow, reaction, static, water outflow and idle through the single-chip computer program.

The experimental device adopts the combination process of ABR-EGSB-SBR to treat the refractory pharmaceutical wastewater. First, the sewage and 400% return water enter the ABR pool 2 for micro-electrolysis and hydrolysis acidification reactions, and then flow into the EGSB reaction column 3 for further organic matter digestion. The effluent is pre-stored in the regulating pool 4, and the sewage is put into the SBR pool 5 for aerobic treatment when the automatic program sends a signal to release the water. Finally, the effluent is stored in the clean water tank 7. Its process flow is shown in Figure 5.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model are all included in the utility model. within the scope of protection.

Claims (8)

1. a pharmaceutical wastewater treatment process instructional device, is characterized in that: water supply system, sewage disposal system, exhaust gas purification system that this device comprises electric-control system and connects by pipeline;

Described water supply system comprises raw water box (1) and is arranged on the stirring machine (9) of raw water box (1) top;

Described sewage disposal system comprises by tracheae and connects ABR pond (2) and EGSB reactor (3), and described EGSB reactor (3) connects regulating reservoir (4), SBR pond (5), filtered water tank (7) and constant temperature system successively by water pipe;

Described exhaust gas purification system comprises absorbent charcoal adsorption tank (6) and is arranged on the granular activated carbon (24) of adsorption tanks (6) tops, and described absorbent charcoal adsorption tank (6) connects wet test meter (13) by tracheae;

Described electric-control system (25) comprises manual control system and automatic control system, described automatic control system is by temperature control system and SBR composition of the control system, described SBR control system is made up of single-chip microcomputer, comprise master control borad, heavy-current control plate and display board, for the operation of control system.

2. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that: described ABR pond (2) comprises water bath (26), ABR pond body (27) and filler.

3. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that described ABR pond body (27) is made up of housing (28), water distributor (29), baffle (30), filler support (31).

4. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that: described EGSB reactor (3) is made up of water-bath layer (32) and EGSB post (33).

5. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that: described constant temperature system comprises stainless steel hot water tank (8) and heating tube (21).

6. a kind of pharmaceutical wastewater treatment process instructional device according to claim 4, is characterized in that: described EGSB post (33) is made up of base (34), water distributing plate (35), anaerobic zone (36), triphase separator (37) and effluent weir (38).

7. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that: described SBR pond (5) is made up of SBR pond body (39), siphon outlet system (40), sludge drainage system (41), two float switch (17), aeration plate (19) and aerator (20).

8. a kind of pharmaceutical wastewater treatment process instructional device according to claim 1, is characterized in that: described ABR pond (2), EGSB reactor (3), regulating reservoir (4) and SBR pond (5) all adopt transparent material to be made.