Wastewater decolorizing and degrading treatment device beneficial to heating and stirring laccase

Abstract

The utility model discloses a wastewater decoloration and degradation treatment device beneficial to heating and stirring laccase, and belongs to the technical field of wastewater treatment. The device comprises a reaction container, a stirring device, immobilized laccase, a baffle used for enabling wastewater to form turbulent flow and an annular heating structure are arranged in the reaction container, the annular heating structure comprises electric heating pipes, and the electric heating pipes are evenly arranged on the periphery of the stirring device. The stirring device comprises a driving motor, a rotating shaft and spiral blades arranged on the outer ring of the rotating shaft. By arranging the spiral stirring blade, the baffle plate and the plurality of groups of electric heating rods, more sufficient contact between wastewater and immobilized laccase is realized, the decoloration and degradation effects of the wastewater are improved, the temperature difference in the device is small, and the reaction and laccase in the device are ensured to be in a better state.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment, and in particular relates to a wastewater decolorization and degradation treatment device which is beneficial to heating and stirring laccase. Background Art

[0002] Laccase is a polyphenol oxidase containing four copper ions. It belongs to copper blue oxidase and exists in the form of monomeric glycoprotein. Laccase exists in mushrooms, bacteria and plants, and can also survive in the air. The only product after the reaction is water, so it is essentially an environmentally friendly enzyme. In addition, laccase has high catalytic efficiency, mild oxidation conditions, low energy consumption, detoxification effect on a variety of pollutants, and has the ability to treat wastewater in a green and efficient manner.

[0003] The existing suspended magnetic immobilized laccase wastewater treatment device is used in the laccase wastewater treatment process, but it cannot ensure that the temperature in the device is the same everywhere. The temperature at different locations usually has a large difference, which affects the reaction between the immobilized laccase and the wastewater. In addition, due to insufficient contact between the immobilized laccase and the wastewater, the laccase often cannot exert a good degradation and decolorization effect on organic matter, and the treated laccase cannot be well aggregated, collected and treated. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a wastewater decolorization and degradation treatment device which is conducive to heating and stirring laccase, can better maintain uniform temperature in the device and can make wastewater and immobilized laccase contact fully, thus promoting degradation and decolorization.

[0005] In order to solve the above technical problems, the technical solutions adopted by the utility model are as follows:

[0006] A wastewater decolorization and degradation treatment device that is conducive to heating and stirring laccase comprises a reaction container, wherein a stirring device, immobilized laccase, a baffle for causing wastewater to form turbulence, and an annular heating structure are arranged inside the reaction container, wherein the annular heating structure comprises electric heating tubes, and the electric heating tubes are evenly arranged around the stirring device.

[0007] Preferably, the stirring device comprises a driving motor, a rotating shaft and a spiral blade arranged above the reaction container, and the spiral blade is arranged on the outer ring of the rotating shaft connected to the driving motor.

[0008] Preferably, the number of the electric heating tubes is at least 3.

[0009] Preferably, the middle of the bottom of the reaction container is set as a conical bottom.

[0010] Preferably, the baffle is arranged on the outer periphery of the annular heating structure, and the stirring device is located on the central axis of the baffle.

[0011] Preferably, the electric heating tube is arranged between the rotating shaft and the inner wall of the baffle.

[0012] Preferably, it also includes a feed port, a temperature probe, a discharge port, a water inlet pipe and a water outlet pipe.

[0013] Preferably, the feed port is arranged at the top of the container, the temperature probes are arranged above the inner wall of the container, and the discharge port is arranged at the bottom of the container.

[0014] Preferably, the water inlet pipe is provided with a water inlet valve, and the water outlet pipe is provided with a water outlet valve.

[0015] Preferably, the length of the stirring device is greater than the length of the electric heating tube.

[0016] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0017] 1) The utility model provides a baffle and a spiral stirring blade extending into the inside of the baffle, so that the wastewater forms turbulence, achieves more complete contact between the wastewater and the immobilized laccase, and improves the decolorization and degradation effect of the wastewater;

[0018] 2) The utility model arranges multiple groups of electric heating rods around the stirring blades, which can achieve sufficient mixing of wastewater and immobilized laccase while ensuring that the temperature difference in the device is small, ensuring that the reaction and laccase in the device are in a good state;

[0019] 3) The utility model can fully maintain a good reaction temperature by the synergistic effect of the heating annular structure and the baffle plate arranged on the periphery of the heating annular structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 It is a side view of the heating annular structure of the utility model;

[0023] Figure 4 It is a side view of the baffle of the utility model;

[0024] Among them: 1. reaction container; 2. driving motor; 3. rotating shaft; 4. spiral blade; 5. electric heating tube; 6. feed port; 7. temperature probe; 8. immobilized laccase; 9. discharge port; 10. water inlet pipe; 11. water inlet valve; 12. water outlet pipe; 13. water outlet valve; 14. baffle. DETAILED DESCRIPTION

[0025] The present invention will be further explained below in conjunction with specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0026] like Figure 1-4 As shown, a wastewater decolorization and degradation device for heating and stirring laccase of the utility model comprises a reaction container 1, wherein the reaction container 1 is provided with a stirring device, immobilized laccase 8, a baffle 14 for making wastewater form turbulence, and an annular heating structure, wherein the annular heating structure comprises an electric heating tube 5, and the electric heating tube 5 is evenly arranged around the stirring device. A feed port 6 for immobilized laccase is arranged at the top of the reaction container 1, and an outlet port 9 for immobilized laccase is arranged at the bottom of the reaction container 1. An inlet pipe 10 is arranged on one side of the lower end of the reaction container 1, and an outlet pipe 12 is arranged on the other side. The inlet pipe 10 is provided with an inlet valve 11 for controlling the amount of wastewater introduced, and the outlet pipe 12 is provided with an outlet valve 13 for controlling the discharge of treated wastewater. Two temperature probes 7 are symmetrically arranged above the inner wall of the reaction container 1 to detect the temperature of the wastewater in the reaction container 1. By arranging the two temperature probes 7 and the electric heating tube 5, the temperature of the wastewater in the reaction container 1 can be controlled to keep it in a suitable temperature range. The middle of the bottom of the reaction container 1 is set as a conical bottom.

[0027] The stirring device includes a driving motor 2, a rotating shaft 3 and a spiral blade 4 arranged above the reaction container 1. The spiral blade 4 is arranged on the outer ring of the rotating shaft 3 connected to the driving motor 2. The length of the rotating shaft 3 is greater than the length of the electric heating tube 5. The spiral blade 4 stirs the wastewater inside the reaction container 1, which can not only make the wastewater and the immobilized laccase 8 fully contact and react, improve the treatment effect, degrade and completely decolorize the organic pollutants in the wastewater, but also ensure that the temperature difference at different positions in the device is small, so that the reaction and immobilized laccase in the device are in a good state.

[0028] The number of the electric heating tubes 5 is at least 3. The electric heating tubes 5 are arranged between the rotating shaft 3 and the inner wall of the baffle 14 . The baffle 14 is arranged on the outer periphery of the heating annular structure, and the stirring device is located on the central axis of the baffle 14 .

[0029] A plurality of through holes are provided below the baffle 14. The bottom of the baffle 14 is fixed to the bottom of the reaction vessel 1, the lower surface of the baffle 14 is flush with the upper surface of the conical bottom, the horizontal height of the lower surface of the baffle 14 is lower than the horizontal height of the lower surface of the electric heating tube 5, and the upper surface of the baffle 14 is lower than the setting height of the temperature probe 7. There is a certain distance between the baffle 14 and the heating annular structure, which is convenient for the stirring device to stir, so that the turbulent wastewater overflows upward from the inside of the baffle 14 to the surroundings, and under the action of water pressure, enters the conical bottom from the through holes on the lower surface of the baffle 14 and stirs again, so that the wastewater and the immobilized laccase are more fully contacted, thereby improving the decolorization and degradation effect of the wastewater.

[0030] When the device is in use, the bottom water inlet valve 11 is opened, and the wastewater to be treated enters the reaction container 1 from the water inlet pipe 10. The wastewater first undergoes preliminary impurity sedimentation under the action of the baffle 14. When the water level gradually rises to exceed the temperature probe 7, the stirring device and the electric heating tube 5 are turned on, and the immobilized laccase 8 is added to the container 1 through the feed port 6. As the water temperature slowly rises, the wastewater gradually reacts with the immobilized laccase 8. After a period of decolorization and degradation, the stirring device and the electric heating tube 5 are turned off, and the water outlet valve 13 is opened to discharge the treated wastewater through the water outlet pipe 12.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A wastewater decolorization and degradation treatment device that is conducive to heating and stirring laccase, comprising a reaction container (1), characterized in that: The reaction container (1) is provided with a stirring device, immobilized laccase (8), a baffle (14) for causing wastewater to form turbulence, and an annular heating structure, wherein the annular heating structure comprises an electric heating tube (5), and the electric heating tube (5) is evenly arranged around the stirring device.

2. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1 is characterized in that: The stirring device comprises a driving motor (2) arranged above the reaction container (1), a rotating shaft (3) and a spiral blade (4), wherein the spiral blade (4) is arranged on the outer ring of the rotating shaft (3) connected to the driving motor (2).

3. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: The number of the electric heating tubes (5) is at least 3.

4. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: The middle of the bottom of the reaction container (1) is arranged as a conical bottom.

5. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: The baffle (14) is arranged on the outer periphery of the annular heating structure, and the stirring device is located on the central axis of the baffle (14).

6. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: The electric heating tube (5) is arranged between the rotating shaft (3) and the inner wall of the baffle (14).

7. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: It also includes a feed port (6), a temperature probe (7), a discharge port (9), a water inlet pipe (10) and a water outlet pipe (12).

8. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 7, characterized in that: The feed port (6) is arranged at the top of the container (1), the temperature probes (7) are respectively arranged above the inner wall of the container (1), and the discharge port (9) is arranged at the bottom of the container (1).

9. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 7, characterized in that: The water inlet pipe (10) is provided with a water inlet valve (11), and the water outlet pipe (12) is provided with a water outlet valve (13).

10. The wastewater decolorization and degradation treatment device for heating and stirring laccase according to claim 1, characterized in that: The length of the stirring device is greater than the length of the electric heating tube (5).

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