TWM605212U - Wastewater treatment device - Google Patents

Abstract

This creation is a kind of wastewater treatment equipment, which is arranged between the back end of a feeding device and the front end of a discharging device and includes an evaporation device, a condensation device and a gas stripping device connected in sequence, and the evaporation device is connected The feeding device is used to convert most of the substances with a boiling point lower than water and a small portion higher than water in the wastewater into a gaseous state. The condensing device converts the condensable part of the gaseous substance into a condensate, and the non-condensable part is discharged or treated separately. The gas stripping device is used to receive the condensate produced by the condensing device, and through the gas stripping action, the more volatile components in the condensate are entrained and removed by air, steam, a single element or a gas composed of multiple elements. The wastewater treatment equipment allows the wastewater to pass through the evaporation device, the condensation device and the gas stripping device in sequence, and effectively separates some components in the wastewater by evaporation, condensation and gas stripping, so as to effectively reduce the chemical oxygen demand and improve the wastewater treatment. The purpose of efficiency.

Description

Wastewater treatment equipment

This creation is a kind of wastewater treatment equipment, which can improve wastewater treatment efficiency.

With the development of industry and the rising awareness of environmental protection, if the waste water generated during the production process in the factory is directly discharged, it will cause environmental pollution and endanger the health of the organisms in contact with the waste water. Therefore, the waste water needs to be further treated by waste water before being discharged. The equipment can be discharged after purification. The waste water treatment equipment can reduce the harm to the environment after the waste water is discharged.

At present, wastewater treatment equipment will use flocculation, precipitation, filtration, chemical oxidation, biological treatment, ion exchange and other methods for treatment. If the wastewater concentration is low and biologically decomposable, biological treatment can be the main treatment method.

If the source of wastewater is complex and the concentration is high, such as containing emulsifiers or containing grease, etc., the organisms cannot be effectively decomposed and cannot be treated by biological treatment, it is necessary to adopt chemical methods for wastewater treatment, but the current wastewater treatment equipment adopts wastewater treatment methods There is still the problem of poor efficiency in reducing Chemical Oxygen Demand (COD).

The main purpose of this creation is to provide a waste water treatment equipment to improve the efficiency of the waste water treatment equipment in reducing chemical oxygen demand.

In order to achieve the purpose of the previous disclosure, the wastewater treatment equipment of this invention is set between the back end of a feeding device and the front end of a discharging device and includes: An evaporation device, which is connected to the feeding device to receive the waste water conveyed by the feeding device, the evaporation device includes an evaporation mechanism connected to the feeding device and used to evaporate part of the substances in the waste water into a gaseous state ； A condensing device connected to the evaporating device to receive the gaseous substance produced by the evaporating device and condense the gaseous substance to form a condensate; A gas stripping device is connected with the condensing device and the discharging device to receive the condensate produced by the condensing device and remove the more volatile components in the condensate through gas stripping.

Wherein, the gas stripping device includes a gas stripping mechanism and a gas injection mechanism, the gas stripping mechanism is connected to the condensing device, the gas injection mechanism is connected to the gas stripping mechanism and injects gas into the gas stripping mechanism, and the gas stripping mechanism is used to The more volatile components in the condensate are converted to the gas injected by the gas stripping mechanism. The gas injected by the gas stripping mechanism is air, steam, a gas of a single element or a gas composed of multiple elements.

In the above, the wastewater treatment equipment adopts the evaporation device, the condensing device and the gas stripping device, so that the wastewater can be evaporated, condensed and gas stripped in sequence, and the water and low boiling point substances in the wastewater can be removed by the evaporation device. When the liquid evaporates into a gaseous state, it is separated by the difference in the boiling points of the different components in the wastewater, and then the gaseous substance produced by the evaporation device is condensed into a condensate by the condensing device, and the condensate is then passed through the gas stripping device to condense the condensate The more volatile components, and through air stripping, the more volatile components in the condensate are entrained and removed by air, steam, a single element or a gas composed of multiple elements. The wastewater treatment equipment allows the wastewater to pass through the The evaporation device, the condensing device and the gas stripping device can effectively separate some components in the wastewater and reduce the chemical oxygen demand, thereby achieving the purpose of improving the efficiency of wastewater treatment.

As shown in Figures 1 and 2, the wastewater treatment equipment of this invention is set between the rear end of a feeding device 10 and the front end of a discharging device 50, and the wastewater treatment equipment includes an evaporation device 20, a condensation device 30 and A gas stripping device 40.

The evaporation device 20 is connected to the feeding device 10 to receive the waste water conveyed by the feeding device 10, and the evaporation device 20 includes an evaporation mechanism 21 which is connected to the feeding device 10 and is used to remove some substances in the waste water. Evaporates and transforms into a gaseous state, wherein the evaporation device 20 includes a temperature control mechanism 22 and an air pressure control mechanism 23. The temperature control mechanism 22 is connected to the evaporation mechanism 21 and used to adjust the temperature in the evaporation mechanism 21. The air pressure control mechanism 23 is connected to the evaporation mechanism 21 and used to adjust the air pressure in the evaporation mechanism 21. In the above, the temperature can be adjusted by the temperature control mechanism 22 and the air pressure control mechanism 23 can adjust the air pressure to assist evaporation, thereby improving the evaporation efficiency. In addition, the temperature The control mechanism 22 can adopt compressors, boilers, electric rods, heat pipes, heat conducting plates, heat exchangers, etc., but is not limited to this. In addition, the form of providing energy to the evaporation device 20 can adopt electricity, steam, fuel oil, fuel Energy such as coal and solar energy, but not limited to this.

The condensing device 30 is connected to the evaporating device 20 to receive the substances converted into gaseous state after the evaporating device 20 is processed. The condensing device 30 converts the condensable part of the gaseous substance into a condensate, and the non-condensable part is discharged or treated separately. , The condensing device 30 can be a heat exchange device.

The gas stripping device 40 is connected to the condensing device 30 and the discharging device 50 to receive the condensate produced by the condensing device 30 and remove the more volatile components in the condensate by gas stripping. The gas stripping device 40 includes a gas stripping device 41 and a gas injection device 42. The gas stripping device 41 is connected to the condensing device 30. The gas injection device 42 is connected to the gas stripping device 41 and injects gas into the gas stripping device 41. The lifting mechanism 41 is used to convert the more volatile components in the condensate into the gas injected by the gas stripping mechanism 41. The gas injected by the gas stripping mechanism 41 is air, steam, a gas of a single element or a gas composed of multiple elements. As mentioned above, the gas stripping device 40 includes a temperature control mechanism 43 connected to the gas stripping mechanism 41 and used to assist the gas stripping effect to improve efficiency.

As shown in Figures 3 and 4, the wastewater treatment equipment further includes an activated carbon filter device 60. Two ends of the activated carbon filter device 60 are respectively connected to the gas stripping device 40 and the discharging device 50. The activated carbon filter device 60 receives the waste water treated by the air stripping device 40 and performs carbon filtration, which can further purify the water quality and improve efficiency.

As shown in Figures 5 and 6, the wastewater treatment equipment further includes an oil-water separation device 70. Two ends of the oil-water separation device 70 are respectively connected to the evaporation device 20 and the feeding device 10, and the oil-water separation device 70 can receive the The waste water conveyed by the feeding device 10 is used to preliminarily remove part of the oil in the waste water that is insoluble in water and assist in improving the treatment efficiency of the waste water treatment equipment.

As shown in Fig. 2, the waste water to be treated is transported by the feeding device 10 and enters the evaporation device 20. The user can adjust the temperature control mechanism 22 and the air pressure control mechanism 23 of the evaporation device 20 according to the type of waste water. The air pressure and temperature in the evaporation mechanism 21 are adjusted according to the content of the waste water, and separated by the difference in the boiling point of the content of different components in the waste water. Most substances with a boiling point lower than water can be transformed into a gaseous state with water. Most substances with a higher boiling point than water (such as oils and fats) are left behind, and the temperature adjustment can increase the amount of evaporation, thereby increasing the evaporation speed. The gaseous substances after the evaporation treatment by the evaporation device 20 then enter the condensation device 30 Condensate to form a condensate. The condensate produced by the condensing device 30 then enters the gas stripping device 40. The gas injection mechanism 42 injects gas into the gas stripping mechanism 41. Therefore, the condensate enters the gas stripping mechanism 41 and is in the condensate. The more volatile components are converted to the gas injected into the gas stripping mechanism 41 to further purify the condensate.

As shown in Figure 4 and Figure 6, the wastewater treatment equipment can be equipped with the activated carbon filter device and the oil-water separation device 70 according to the type of wastewater. In addition, the wastewater treatment equipment can also be connected with existing wastewater treatment equipment to help reduce wastewater. Therefore, it can be adjusted according to the water quality requirements of different wastewater and wastewater discharge, and can be selectively matched to provide diversified treatment and good applicability.

In the above, the wastewater treatment equipment allows the wastewater to pass through the evaporation device 20, the condensation device 30, and the gas stripping device 40 in sequence. Through evaporation, condensation and gas stripping, the water quality of the treated wastewater is effectively improved and the chemical requirements of the wastewater are effectively reduced. Oxygen content improves wastewater treatment efficiency.

10: Feeding device 20: Evaporator 21: Evaporation mechanism 22: Temperature control mechanism 23: Air pressure control mechanism 30: Condensing device 40: Gas stripping device 41: Air lift mechanism 42: Gas injection mechanism 43: temperature control mechanism 50: discharge device 60: Activated carbon filter device 70: Oil-water separation device

Figure 1: This is a schematic diagram of the first preferred embodiment of the creative wastewater treatment equipment. Figure 2: A schematic diagram of the processing procedure of Figure 1. Figure 3: This is a schematic diagram of the second preferred embodiment of the creative wastewater treatment equipment. Figure 4: A schematic diagram of the processing procedure of Figure 3. Figure 5: This is a schematic diagram of the third preferred embodiment of the creative wastewater treatment equipment. Fig. 6 is a schematic diagram of the processing procedure of Fig. 5.

10: Feeding device

20: Evaporator

21: Evaporation mechanism

22: Temperature control mechanism

23: Air pressure control mechanism

30: Condensing device

40: Gas stripping device

41: Air lift mechanism

42: Gas injection mechanism

43: temperature control mechanism

50: discharge device

Claims (10)

A waste water treatment equipment is arranged between the back end of a feeding device and the front end of a discharging device and includes: An evaporation device, which is connected to the feeding device to receive the waste water conveyed by the feeding device, the evaporation device includes an evaporation mechanism connected to the feeding device and used to evaporate part of the substances in the waste water into a gaseous state ； A condensing device connected to the evaporating device for receiving the evaporating device and converting it into a gaseous substance, and the condensable part of the gaseous substance is formed into a condensate; A gas stripping device is connected with the condensing device and the discharging device to receive the condensate produced by the condensing device, and entrain and remove the more volatile components in the condensate through gas stripping. The wastewater treatment equipment according to claim 1, wherein the evaporation device includes a temperature control mechanism connected to the evaporation mechanism and used to adjust the temperature in the evaporation mechanism. The wastewater treatment facility according to claim 1, wherein the evaporation device includes an air pressure control mechanism connected to the evaporation mechanism and used to adjust the air pressure in the evaporation mechanism. The wastewater treatment equipment according to claim 2, wherein the evaporation device includes an air pressure control mechanism connected to the evaporation mechanism and used to adjust the air pressure in the evaporation mechanism. The wastewater treatment equipment according to any one of claims 1 to 4, wherein the gas stripping device includes a gas stripping mechanism and a gas injection mechanism, the gas stripping mechanism is connected to the condensing device, and the gas injection mechanism is connected to the gas stripping mechanism. And inject gas into the gas stripping device, and the gas stripping device is used for converting the more volatile components in the condensate into the gas injected by the gas stripping device. The wastewater treatment equipment according to claim 5, wherein the gas injected by the gas stripping mechanism is air, steam, a single element gas or a gas composed of multiple elements. The wastewater treatment equipment according to any one of claims 1 to 4, wherein the gas stripping device includes a temperature control mechanism connected to the gas stripping mechanism and used to assist the gas stripping effect. The wastewater treatment equipment according to claim 5, wherein the gas stripping device includes a temperature control mechanism connected to the gas stripping mechanism and used to assist the gas stripping effect. The wastewater treatment equipment according to any one of claims 1 to 4, wherein the wastewater treatment equipment includes an activated carbon filter device, and two ends of the activated carbon filter device are respectively connected to the stripping device and the discharge device. The wastewater treatment equipment according to any one of claims 1 to 4, wherein the wastewater treatment equipment includes an oil-water separation device, and two ends of the oil-water separation device are respectively connected to the evaporation device and the feeding device.

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