CN204714629U - A kind of pharmacy wastewater treatment equipment - Google Patents

Abstract

The utility model provides pharmaceutical wastewater treatment equipment, which includes a control device, a pretreatment device, a wastewater treatment device, a sewage discharge device and a clear liquid recovery device, and the discharge port of the pretreatment device is connected to the wastewater treatment device through a pipeline. The sewage outlet of the wastewater treatment device is connected to the sewage discharge device through a pipeline, and the outlet of the wastewater treatment device is connected to the clear liquid recovery device through a pipeline. The utility model has a simple structure, the pretreatment device and the waste water treatment device are arranged in the same shell, which saves the occupied area, and the hydrolysis acidification reaction device and the secondary sedimentation tank are arranged in the waste water treatment device at the same time, and the pharmaceutical waste water is treated Multiple treatments, and a COD detection device is installed at the outlet to detect the treated water until the COD content reaches the standard.

Description

A pharmaceutical wastewater treatment equipment

technical field

The utility model relates to the field of waste water treatment, in particular to a pharmaceutical waste water treatment equipment.

Background technique

When many pharmaceutical factories produce drugs such as tablets, capsules, aqueous injections, and freeze-dried powders, a large amount of waste water will be discharged, causing serious pollution to the environment. The main reasons for the serious pollution of synthetic pharmaceutical wastewater are the long continuous reaction time of the synthesis process, many reaction steps, high control conditions and strict requirements for the reaction process. The raw materials that form the final product only account for 10%-25% of the raw material consumption, and auxiliary raw materials account for the vast majority of the total consumption. These materials end up in the form of waste water, waste residue, and waste gas. The main power sources of waste water include: production process waste water, washing equipment waste water, recycled residual liquid, auxiliary production process waste water, factory domestic sewage, etc. Due to the influence of the production cycle, etc., the water quality of this kind of wastewater is complex, the water volume fluctuates greatly, and it often contains substances that are difficult for active microorganisms to degrade. The COD concentration in the wastewater is high, and the main pollutants are organic substances, such as fat, benzene organic substances, alcohol, Esters, petroleum, ammonia nitrogen, sulfides, etc.

The existing pharmaceutical wastewater treatment equipment generally covers a very large area, and only has a simple treatment method. Sometimes the treatment effect cannot meet the requirements. If the wastewater with a high COD concentration is still discharged, it will have a greater impact on the environment. pollute.

Utility model content

In order to solve the defects in the existing pharmaceutical waste residue treatment process mentioned above, the utility model provides a pharmaceutical wastewater treatment equipment, which can treat the wastewater discharged from the pharmaceutical factory, and a plurality of treatment devices are placed in a shell Inside, the floor area is reduced, and it is equipped with multiple treatments, the treatment effect is good, and a COD concentration detection device is installed at the clean water outlet to detect the COD concentration. If the COD concentration is still too high, the clean water will be secondary. Secondary treatment until the COD concentration in the discharged clean water reaches the predetermined requirement.

Specifically, the utility model provides a pharmaceutical wastewater treatment equipment, which includes a control device, a pretreatment device, a wastewater treatment device, a sewage discharge device and a clear liquid recovery device,

The discharge port of the pretreatment device is connected to the liquid inlet of the waste water treatment device through a pipeline, the sewage discharge port of the waste water treatment device is connected to the sewage discharge device through a pipeline, and the outlet of the waste water treatment device is connected to the sewage discharge device through a pipeline. The supernatant recovery device;

The pretreatment device and the wastewater treatment device are arranged side by side or vertically inside a housing, the housing is provided with a top cover, and the bottom of the housing is provided with an aeration device;

The discharge port is provided with a COD detection device, a return pump and a return pipe, one end of the return pipe is connected to the discharge port, and the other end of the return pipe is connected to the liquid inlet of the waste water treatment device for The clear liquid from the drain is reprocessed; and

The control device includes a control board and an operation panel, an output end of the control board is connected to an input of the reflux pump, and an output end of the COD detection device is connected to an input end of the control board.

Preferably, the wastewater treatment device is divided into a first chamber and a second chamber by a partition, the first chamber is provided with a hydrolytic acidification reaction device, and the second chamber is provided with a secondary sedimentation tank, so The hydrolytic acidification reaction device is connected to the secondary sedimentation tank through a pipeline, and a water pump is provided at an appropriate position of the pipeline.

Preferably, the pipeline between the drain outlet of the wastewater treatment device and the clear liquid recovery device is provided with a solenoid valve.

Preferably, an output end of the control board is connected to an input end of the solenoid valve.

Preferably, the pretreatment device includes a grille, a grit chamber and a regulating pond, and the grille, the grit chamber and the regulating pond are connected in sequence.

Preferably, a sludge layer, a suspension layer and a packing layer are arranged inside the hydrolytic acidification reaction device from bottom to top, the bottom of the hydrolysis acidification reaction device is provided with a sewage water inlet, and the top of the hydrolysis acidification reaction device is provided with an outlet. Shuikou.

Preferably, a membrane processor is set in the secondary sedimentation tank.

Preferably, the aeration device extends to the inside of the hydrolysis acidification reaction device through an aeration pipe.

The utility model has a simple structure, and the pretreatment device and the waste water treatment device are arranged in the same shell, which saves the occupied area, and is provided with a sewage discharge device and a clear liquid recovery device, which are used to discharge sewage and recover clear liquid respectively. Sewage is treated centrally, and the recovered clear liquid can be directly discharged into groundwater or used as domestic water after being purified again by other purification devices. In addition, a hydrolytic acidification reaction device and a secondary sedimentation tank are installed inside the wastewater treatment device to perform multiple treatments on the pharmaceutical wastewater, and a COD detection device is installed at the outlet to detect the treated clean water. If the treated clean water is If the COD concentration is too high, the reflux pump will return the clean water to the liquid inlet of the wastewater treatment device, and perform secondary treatment on the wastewater until the COD concentration in the water at the outlet reaches the standard range, and the control panel opens the solenoid valve, and the treatment reaches the standard The clear water flows into the clear liquid recovery device.

Description of drawings

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

Fig. 2 is a structural schematic block diagram of the utility model; and

Fig. 3 is a structural schematic diagram of the hydrolytic acidification reaction device of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, structure and working principle of the present utility model are further explained:

As shown in FIG. 1 and FIG. 2 , the utility model provides a pharmaceutical wastewater treatment equipment, which includes a control device 1 , a pretreatment device 2 , a wastewater treatment device 3 , a sewage discharge device 4 and a clear liquid recovery device 5 . After the pharmaceutical wastewater is pretreated by the pretreatment device, it enters the wastewater treatment device 3. After the wastewater treatment device 3 treats the wastewater, the obtained clean water flows into the clear liquid recovery device 5 through the pipeline, and the sewage enters the sewage discharge device 4 through the sewage outlet. The discharge transfer device 4 collects sewage for centralized treatment without causing environmental pollution. The clear liquid recovered by the clear liquid recovery device 5 can be directly discharged into groundwater or used as domestic water after being purified again by the rest of the purification devices. During use, if the materials used in the sewage discharge transfer device 4 or the clear liquid recovery device 5 reach the limit of their service life, they can be replaced and treated very conveniently without hindering the continuous use of the entire device.

The discharge port 21 of the pretreatment device 2 is connected to the liquid inlet 31 of the waste water treatment device 3 through a pipeline, the sewage discharge port 32 of the waste water treatment device 3 is connected to the sewage discharge device 4 through a pipeline, and the discharge port 33 of the waste water treatment device 3 is connected to the clean water through a pipeline. Liquid recovery device 5.

The pretreatment device 2 and the wastewater treatment device 3 are arranged side by side inside a housing 10 , the housing 10 is provided with a top cover, and the bottom of the housing 10 is provided with an aeration device 6 for aerating the wastewater treatment device 3 .

The outlet 33 is provided with a COD detection device 7, a return pump 8 and a return pipe 9. One end of the return pipe 9 is connected to the outlet 33, and the other end of the return pipe 9 is connected to the liquid inlet 31 of the waste water treatment device 3. When the COD detection device 7. When it is detected that the COD content of the liquid at the drain is higher than the standard, the control board starts the return pump 8, and the clear water discharged from the drain is re-pumped to the liquid inlet 31 of the waste water treatment device 3 through the return pipe 9, and the waste water treatment device 3. Treat it again until the COD content reaches the standard.

The control device 1 includes a control board 11 and an operation panel 12 , an output end of the control board 11 is connected to an input of the return pump 8 , and an output end of the COD detection device 7 is connected to an input end of the control board 11 .

The pretreatment device 2 includes a grid 21, a grit chamber 22 and an adjustment tank 23, the grid 21, the grit chamber 22 and the adjustment tank 23 are connected in sequence, and a guide is arranged between the grid 21, the grit chamber 22 and the adjustment tank 23. Flow plate 24. After the pharmaceutical wastewater is pretreated in the pretreatment device 2, it flows into the wastewater treatment device 3, and the wastewater treatment device 3 further treats the pharmaceutical wastewater to obtain standard clean water.

The wastewater treatment device 3 is divided into a first chamber 34 and a second chamber 35 by a partition, the first chamber 34 is provided with a hydrolytic acidification reaction device 36, the second chamber 35 is provided with a secondary sedimentation tank 37, and the hydrolytic acidification The reaction device 36 is connected to the secondary sedimentation tank 37 through a pipeline, and a water pump is provided at an appropriate position of the pipeline. A membrane processor is installed in the secondary sedimentation tank 37 to further treat the wastewater.

A solenoid valve 38 is provided in the pipeline between the drain port 31 of the waste water treatment device 3 and the clear liquid recovery device 5 .

In other embodiments, the pretreatment device 2 and the waste water treatment device 3 can be vertically arranged inside a housing, and the pharmaceutical wastewater enters the liquid inlet of the pretreatment device 2 through a drainage pump, which further saves the occupied area. The first chamber 34 and the second chamber 35 in the waste water treatment device 3 are also arranged overlapping up and down, which further saves the lateral volume of the waste water treatment device 3 .

An output end of the control board 11 is connected to an input end of the solenoid valve 38 . When the COD concentration in the treated clear water reaches the standard, the control panel 11 opens the solenoid valve 38, and the clear water flows into the clear liquid recovery device 5. If it does not meet the standard, that is, when the COD detection device 7 detects that the COD concentration of the liquid at the drain is higher than the standard, the control panel starts the return pump 8, and the clear water discharged from the drain is re-pumped to the waste water treatment device 3 through the return pipe 9 The liquid inlet 31 of the waste water treatment device 3 processes it again until the COD content reaches the standard.

As shown in Figure 3, the inside of the hydrolytic acidification reaction device 36 is provided with a sludge layer 361, a suspension layer 362 and a packing layer 363 from bottom to top, and the bottom of the hydrolysis acidification reaction device 36 is provided with a sewage water inlet 364, and the hydrolysis acidification reaction device 36 A water outlet 365 is arranged on the top. The aeration device 6 extends to the inside of the hydrolysis acidification reaction device 36 through the aeration pipe 61 .

The utility model has a simple structure, and the pretreatment device and the waste water treatment device are arranged in the same housing, and the pretreatment device and the waste water treatment device can be arranged vertically, which saves the occupied area, and the hydrolytic acidification device is also installed inside the waste water treatment device. The reaction device and the secondary sedimentation tank are used for multiple treatment of pharmaceutical wastewater, and a COD detection device is installed at the outlet to detect the treated clean water. If the COD concentration of the treated clean water is too high, the return pump will Return the clean water to the liquid inlet of the wastewater treatment device, and perform secondary treatment on the waste water until the COD concentration in the water at the outlet reaches the standard range, the control panel opens the solenoid valve, and the treated clean water flows into the clear liquid recovery device.

Finally, it should be noted that: the above-described embodiments are only used to illustrate the technical solutions of the present utility model, rather than limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art It should be understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various implementations of the present utility model. The scope of technical solutions.

Claims (8)

1. A kind of pharmaceutical waste water treatment equipment, it comprises control unit, pretreatment unit, waste water treatment unit, sewage discharge unit and clear liquid recovery unit, it is characterized in that: The discharge port of the pretreatment device is connected to the liquid inlet of the waste water treatment device through a pipeline, the sewage discharge port of the waste water treatment device is connected to the sewage discharge device through a pipeline, and the outlet of the waste water treatment device is connected to the sewage discharge device through a pipeline. The supernatant recovery device; The pretreatment device and the wastewater treatment device are arranged side by side or vertically inside a housing, the housing is provided with a top cover, and the bottom of the housing is provided with an aeration device; The discharge port is provided with a COD detection device, a return pump and a return pipe, one end of the return pipe is connected to the discharge port, and the other end of the return pipe is connected to the liquid inlet of the waste water treatment device for The clear liquid from the drain is reprocessed; and The control device includes a control board and an operation panel, an output end of the control board is connected to an input of the reflux pump, and an output end of the COD detection device is connected to an input end of the control board. 2. The pharmaceutical wastewater treatment equipment according to claim 1, characterized in that: the wastewater treatment device is divided into a first chamber and a second chamber by a partition, and a hydrolytic acidification reaction device is arranged in the first chamber , the second chamber is provided with a secondary sedimentation tank, the hydrolytic acidification reaction device is connected to the secondary sedimentation tank through a pipeline, and a water pump is provided at an appropriate position of the pipeline. 3. The pharmaceutical wastewater treatment equipment according to claim 2, characterized in that: the pipeline between the outlet of the wastewater treatment device and the clear liquid recovery device is provided with a solenoid valve. 4. The pharmaceutical wastewater treatment equipment according to claim 3, characterized in that: an output end of the control board is connected to an input end of the solenoid valve. 5. The pharmaceutical wastewater treatment equipment according to claim 1, characterized in that: the pretreatment device comprises a grid, a grit chamber and an adjustment tank, and the grid, the grit chamber and the adjustment tank are connected in sequence. 6. The pharmaceutical wastewater treatment equipment according to claim 2, characterized in that: the inside of the hydrolytic acidification reaction device is provided with a sludge layer, a suspension layer and a packing layer from bottom to top, and the bottom of the hydrolysis acidification reaction device is provided with A sewage water inlet, and a water outlet is arranged on the top of the hydrolysis acidification reaction device. 7. The pharmaceutical wastewater treatment equipment according to claim 6, characterized in that: the secondary sedimentation tank is provided with a membrane processor. 8. The pharmaceutical wastewater treatment equipment according to claim 6, characterized in that: the aeration device extends to the inside of the hydrolysis acidification reaction device through an aeration pipe.