CN209759233U - Treatment system for marigold squeezing wastewater - Google Patents

Abstract

The utility model discloses a marigold squeezing wastewater treatment system, which comprises a storage facility, a neutralization regulating device, a filter pressing device, a catalytic oxidation device, an anaerobic device, a biological treatment device, a precipitation device, a depth filtration device and a decoloration device which are sequentially connected and arranged through pipelines, wherein the front end of the storage facility is connected with a wastewater outlet, the storage facility is arranged under the ground or at other suitable positions, and the storage facility is arranged in a pool structure; the problem that the treatment effect of the existing sewage treatment system on the marigold squeezing wastewater is poor is solved; the utility model discloses an external ozone generator uses ozone catalytic oxidation, and the strong oxidation effect of ozone can break difficult degradation macromolecular pollutant, and the excess sludge decrement that produces behind the catalytic oxidation. Meanwhile, the ozone can be used for decoloring in subsequent advanced treatment, has the effects of removing peculiar smell and sterilizing, and has high cost performance and good treatment effect.

Description

Treatment system for marigold press wastewater

technical field

The utility model relates to a treatment technology for industrial waste water, in particular to a treatment system for marigold pressing waste water.

Background technique

Marigold, also known as stinky hibiscus, is a plant of the genus Marigold in the Compositae family. It is rich in lutein and is an ideal raw material for extracting pure natural yellow pigment. Lutein is one of the most widely used pigments in the pigment industry. It is the "panacea" in pigments and is essential for food, medicine, beverages, health products, cosmetics, catering, and animal feed. Moreover, it is also beneficial to improve eyesight, has good coloring effect, has anti-oxidation effect, anti-cancer effect and delays arteriosclerosis effect, and has a large demand. Therefore, the extraction of marigold lutein has broad market prospects.

According to our understanding, the processing technology of extracting lutein in the factory is as follows: flower harvesting - enzymatic hydrolysis - pressing and dehydration - drying - granulation - packaging, and the waste water mainly comes from the pressing and dehydration stage.

Press wastewater contains a large amount of organic pollutants and is acidic. If it is directly discharged without treatment, it will pollute the receiving soil and water body, so it is necessary to treat the wastewater before discharge or reuse. The existing sewage treatment system is not effective in treating this type of sewage, so new technologies and methods are needed to deal with it.

Utility model content

The purpose of the utility model is to provide a treatment system for marigold pressing wastewater to solve the problem that the existing sewage treatment system has a poor treatment effect on the existing marigold pressing wastewater.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

A treatment system for marigold pressing wastewater, including storage facilities, neutralization adjustment devices, filter press devices, catalytic oxidation devices, anaerobic devices, biological treatment devices, sedimentation devices, depth filtration devices and decolorization devices connected in sequence through pipelines , wherein the front end of the storage facility is connected to the waste water outlet, the storage facility is arranged under the ground or in other suitable locations, and the storage facility is arranged as a pool structure.

Further, the neutralization adjustment device includes a neutralization system and an adjustment system, a first agitator, a pH monitor and a neutralizer dosing device are arranged in the neutralization system, a second agitator is built in the neutralization agent dosing device, and the storage A lift pump is installed on the pipeline between the facility and the neutralization regulating device.

Further, the filter press device adopts a plate and frame filter press, and a sludge hopper is arranged under the filter press.

Further, the catalytic oxidation device is externally provided with an ozone generator, which supplies gas to the catalytic oxidation device through a gas pipe, and the gas pipe is connected to the internal circulation pump of the catalytic oxidation device; the anaerobic device adopts a high-load IC reactor, and A gas collection chamber is set above the anaerobic device.

Further, the biological treatment device includes three pools, namely an anaerobic pool, an anoxic pool and an aerobic pool, and an aeration device is arranged at the bottom of the aerobic pool.

Further, a certain inclination is set at the bottom of the sedimentation device to form a mud bucket.

Further, the depth filter device adopts a depth filter, the filtering part of the depth filter adopts a sand tank or a membrane filter, and a pump is arranged on the depth filter pipeline.

Further, the decolorization device is provided with a water quality detection port, the decolorization device is externally connected with an ozone generator, and the ozone generator air pipe is provided with a pump.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

1) The utility model is suitable for the treatment of waste water produced by pressing marigolds in industrial production;

2) The utility model has high practicability, high economy and good treatment effect;

3) Use a filter press to desludge. After desliming, a large amount of suspended matter in the wastewater is removed, and the resulting sludge has a high solid content and is easy to handle;

4) The utility model adopts an external ozone generator, uses ozone catalytic oxidation, and the strong oxidation of ozone can interrupt the refractory macromolecular pollutants, and reduce the excess sludge produced after catalytic oxidation. At the same time, ozone can be used for decolorization in subsequent advanced treatment, and ozone can also remove odor and disinfect, with high cost performance and good treatment effect.

Description of drawings

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

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Example 1:

As shown in the figure, a treatment system for marigold press wastewater includes a storage facility 1, a neutralization adjustment device 3, a filter press device 4, a catalytic oxidation device 5, an anaerobic device 6, and a biological treatment device that are sequentially connected through pipelines 7. Precipitation device 8, depth filtration device 9 and decolorization device 10, wherein the front end of storage facility 1 is connected to the waste water outlet, storage facility 1 is set under the ground, and the storage facility is set as a pool structure.

In this system, the pressing wastewater is produced by the processing workshop and enters the system, firstly enters the storage facility 1, and the storage facility 1 is placed at the front end of the system to collect the wastewater produced in the workshop. Industrial wastewater has the characteristics of unstable production and discharge, and the setting of the storage facility 1 is conducive to the continuous and stable operation of the subsequent system. The waste water is temporarily stored in the storage facility 1, and then flows into the neutralization adjustment device 3 through the pipeline for reaction, and the reacted waste water is filtered through the filter press device 4, and the filtered waste water enters the catalytic oxidation device 5 for catalytic oxidation, catalytic oxidation Then enter the anaerobic device 6 for anaerobic treatment, and then carry out a biological treatment after the anaerobic treatment, then pass through the precipitation of the sedimentation device 8 and the filtration of the depth filter device 9, and finally discharge after decolorization.

Example 2:

On the basis of the above embodiments, in this embodiment, in order to perform sufficient neutralization adjustment, the neutralization adjustment device 3 is divided into a neutralization system 3.1 and an adjustment system 3.2, and a first agitator is arranged in the neutralization system 3.3, pH monitor 3.4 and neutralizer dosing device 3.5. The pH meter and the dosing device cooperate with each other to automatically adjust the dosage by monitoring the pH value. The neutralizing agent dosing device 3.5 has a built-in second agitator 3.6 for better For transporting waste water, a lift pump 2 is installed on the pipeline between the storage facility 1 and the neutralization regulating device 3 .

Example 3:

On the basis of the above embodiments, in this embodiment, for the advantages of large filtration driving force, high solid content of filter cake, clear filtrate, high solid recovery rate, and less consumption of conditioning medicines, the filter press device 4 adopts a plate frame The filter press 4.1 is provided with a sludge hopper 4.2 below the filter press 4.1 to collect sludge.

Example 4:

On the basis of the foregoing embodiments, in this embodiment, in order to carry out oxidation catalysis better, the catalytic oxidation device 5 is externally provided with an ozone generator 5.1, and selects ozone as the oxidizing agent through the strong oxidation of ozone and its easy decomposition by heat. Gas is supplied to the catalytic oxidation device 5 through the air pipe, and the air pipe is connected to the internal circulation pump of the catalytic oxidation device 5. The internal circulation pump draws water from the upper part of the catalytic oxidation device 5, and the water is mixed with ozone when passing through the circulation pump and mixed with the bottom of the catalytic oxidation device; The catalytic oxidation device 5 is connected to the anaerobic device 6 through a pipeline, and a water distributor is set in the anaerobic device 6. The setting of the water distributor makes the water quantity regular and the effect is better. The anaerobic device 6 adopts a high-load For the IC reactor, due to the chemical reaction in the anaerobic device, gas will be generated in the anaerobic device 6. For this reason, a gas collection chamber is set above the anaerobic device 6 to collect the generated gas, and the gas is concentrated and treated for discharge.

Example 5:

On the basis of the foregoing embodiments, in this embodiment, the biological treatment device 7 adopts conventional biological treatment, including three ponds, which are respectively anaerobic pond 7.1, anoxic pond 7.2 and aerobic pond 7.3, and aerobic pond 7.3 The bottom is equipped with aeration equipment.

Embodiment 6:

On the basis of the above embodiments, in this embodiment, the bottom of the settling device 8 is provided with a certain inclination to form a mud hopper, and the sludge is collected in the mud hopper, and then other treatments are performed.

Embodiment 7:

On the basis of the above-mentioned embodiments, in this embodiment, the depth filter device 9 adopts a depth filter 9.1, and the filtering part in the depth filter 9.1 is selected from a sand tank or a membrane filter, and the pipeline of the depth filter 9.1 is provided with a lift The pump and the specific filter part can be selected according to actual needs, and the suspended solids in the wastewater can be deeply removed to make the effluent water quality better.

Embodiment 8:

On the basis of the above-described embodiments, in the present embodiment, the decolorization device 10 is provided with a water quality detection port so that after decolorization, a sampling test is carried out, and it can be discharged after the detection is qualified. On the decolorization device, an ozone generator 5.1 is connected externally. 5.1 The same ozone generator as that used in the catalytic oxidation device 5 is used to rationally utilize resources. The gas pipe of the ozone generator 5.1 is connected to the internal circulation pump on the decolorization device 10 .

Although the invention has been described herein with reference to a number of illustrative embodiments of the invention, it should be understood that many other modifications and implementations can be devised by those skilled in the art which will fall within the scope of this application. within the scope and spirit of the principles disclosed. More specifically, within the scope of the disclosure, drawings and claims of the present application, various modifications and improvements can be made to the components and/or layout of the subject combination layout. In addition to variations and modifications to the component parts and/or layout, other uses will be apparent to those skilled in the art.

Claims (8)

1. the utility model provides a processing system of marigold squeezing waste water which characterized in that: the device comprises a storage facility (1), a neutralization regulating device (3), a filter pressing device (4), a catalytic oxidation device (5), an anaerobic device (6), a biological treatment device (7), a precipitation device (8), a depth filtering device (9) and a decolorization device (10) which are sequentially connected through pipelines, wherein the front end of the storage facility (1) is connected with a wastewater outlet, and the storage facility (1) is arranged under the ground or at other suitable positions and is of a pool structure.

2. The system for treating marigold pressed wastewater according to claim 1, wherein: the neutralizing and adjusting device (3) comprises a neutralizing system (3.1) and an adjusting system (3.2), a first stirrer (3.3), a pH monitor (3.4) and a neutralizing agent dispenser (3.5) are arranged in the neutralizing system (3.1), a second stirrer (3.6) is arranged in the neutralizing agent dispenser (3.5), and a lifting pump (2) is arranged on a pipeline between the storage facility (1) and the neutralizing and adjusting device (3).

3. The system for treating marigold pressed wastewater according to claim 1, wherein: the filter pressing device (4) adopts a plate and frame filter press (4.1), and a sludge hopper (4.2) is arranged below the plate and frame filter press (4.1).

4. The system for treating marigold pressed wastewater according to claim 1, wherein: the catalytic oxidation device (5) is externally connected with an ozone generator (5.1), air is supplied to the catalytic oxidation device (5) through an air pipe, and the air pipe is connected to an internal circulating pump of the catalytic oxidation device (5); the anaerobic device (6) adopts a high-load IC reactor, and a gas collecting chamber is arranged above the anaerobic device (6).

5. The system for treating marigold pressed wastewater according to claim 1, wherein: the biological treatment device (7) comprises three tanks, namely an anaerobic tank (7.1), an anoxic tank (7.2) and an aerobic tank (7.3), wherein aeration equipment is arranged at the bottom of the aerobic tank (7.3).

6. The system for treating marigold pressed wastewater according to claim 1, wherein: the bottom of the sedimentation device (8) is provided with a certain inclination to form a mud bucket.

7. The system for treating marigold pressed wastewater according to claim 1, wherein: the depth filter device (9) adopts a depth filter (9.1), the filtering part in the depth filter (9.1) adopts a sand cylinder or a membrane for filtering, and a pump is arranged on the pipeline of the depth filter (9.1).

8. The system for treating marigold pressed wastewater according to claim 1, wherein: the decolouring device (10) is provided with a water quality detection port and is externally connected with an ozone generator (5.1).