Waste water treatment equipment based on plasma discharge

Abstract

The utility model discloses waste water treatment equipment based on plasma discharge, and relates to the field of waste water treatment. The device comprises a wastewater treatment main body, a plasma discharge reaction inner box is arranged in the wastewater treatment main body, the wastewater treatment main body further comprises a cooling outer box and a pipeline system, the cooling outer box is fixedly connected to the outer wall of the plasma discharge reaction inner box, the pipeline system is arranged on the outer wall of the cooling outer box, and a horizontal water pump is arranged at the bottom of the cooling outer box. The three-way valve is arranged at the top end of the horizontal water pump, one end of the water return pipe and one end of the cooling pipe are fixedly connected into two output ends of the three-way valve, the other end of the water return pipe is arranged above the plasma discharge reaction inner box, and the other end of the cooling pipe is fixedly connected to the top end of the cooling outer box. According to the device, the horizontal water pump is arranged to ionize wastewater through repeated circulation of the water return pipe, the wastewater is introduced into the cooling pipe to be cooled after being completely purified, and the wastewater is input into the cooling outer box to cool the reaction inner box.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a plasma discharge wastewater treatment device. Background Technique

[0002] The plasma discharge wastewater treatment device is an advanced device that uses plasma technology to treat wastewater, with broad application prospects and market potential.

[0003] The principle of the plasma discharge wastewater treatment device is mainly based on the physical and chemical reactions of plasma. Plasma is an ionized substance composed of charged particles such as electrons, ions, and free radicals, and these charged particles have relatively high energy. During the wastewater treatment process, plasma is generated through a high-voltage electric field or a pulsed electric field. The high-energy particles in the plasma can destroy the chemical structure of pollutants in the wastewater, converting them into harmless or low-toxic substances, thereby achieving the purpose of purifying the water quality. Due to its harmless and environmentally friendly characteristics, it has received more and more attention. However, the existing plasma discharge wastewater treatment device that sprays wastewater through a nozzle and generates reactions in the air has incomplete treatment due to spraying and only one high-voltage electrode, and multiple high-voltage electrodes need to be set for ionization treatment, increasing the equipment cost; at the same time, a large amount of heat is generated due to high-voltage discharge, resulting in an increase in the heat of the reaction vessel and easily causing equipment damage. In view of the above problems, we propose a plasma discharge wastewater treatment device. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a plasma discharge wastewater treatment device, which solves the problems that the existing plasma discharge wastewater treatment device that sprays wastewater through a nozzle and generates reactions in the air has incomplete treatment due to spraying and only one high-voltage electrode, and multiple high-voltage electrodes need to be set for ionization treatment, increasing the equipment cost; at the same time, a large amount of heat is generated due to high-voltage discharge, resulting in an increase in the heat of the reaction vessel and easily causing equipment damage.

[0005] To achieve the above object, the present utility model is realized through the following technical solutions: A plasma discharge wastewater treatment device, including a wastewater treatment main body, wherein a plasma discharge reaction inner box is arranged inside the wastewater treatment main body. The wastewater treatment main body further includes a cooling outer box and a pipeline system. The cooling outer box is fixedly connected to the outer wall of the plasma discharge reaction inner box. The pipeline system is arranged on the outer wall of the cooling outer box. The pipeline system includes a horizontal water pump, a three-way valve, a return pipe, and a cooling pipe. The horizontal water pump is arranged at the bottom of the cooling outer box. The three-way valve is arranged at the top of the horizontal water pump. One ends of the return pipe and the cooling pipe are fixedly connected to two output ends of the three-way valve. The other end of the return pipe is arranged above the plasma discharge reaction inner box. The other end of the cooling pipe is fixedly connected to the top of the cooling outer box.

[0006] Preferably, the wastewater treatment main body further includes a box body base. The box body base is fixedly connected to the bottom of the plasma discharge reaction inner box. The upper surface of the box body base is fixedly connected with a water pump base. The horizontal water pump is fixedly connected to the water pump base.

[0007] Preferably, the wastewater treatment main body further includes a wastewater collection tank. The wastewater collection tank is fixedly connected to the bottom of the plasma discharge reaction inner box. One end of the upper surface of the wastewater collection tank is fixedly connected with a liquid inlet valve pipe. The upper end of the liquid inlet valve pipe is fixedly connected to the bottom end of the cooling outer box. The other end of the bottom of the wastewater collection tank is fixedly connected with a liquid delivery valve pipe.

[0008] Preferably, inside the plasma discharge reaction inner box, there are a wastewater input pipe, a wastewater output pipe, a high-voltage electrode, a spray head, a gas delivery pipe, and a grounding electrode. The wastewater input pipe and the wastewater output pipe are fixedly connected to both ends of the plasma discharge reaction inner box. The high-voltage electrode and the grounding electrode are fixedly connected to the top end of the inner wall of the plasma discharge reaction inner box. The pipeline of the grounding electrode is connected to the ground. The spray head is arranged above the plasma discharge reaction inner box. The gas delivery pipe is fixedly connected to the upper wall of the plasma discharge reaction inner box.

[0009] Preferably, the pipeline system further includes a water pump output pipe. The wastewater output pipe is fixedly connected to the input port of the horizontal water pump. One end of the water pump output pipe is fixedly connected to the output port of the horizontal water pump. The other end of the water pump output pipe is fixedly connected to the input end of the three-way valve. The other end of the return pipe is fixedly connected to the top of the spray head.

[0010] The utility model discloses a wastewater treatment device based on plasma discharge, and the beneficial effects thereof are as follows: By arranging a horizontal water pump, the wastewater that has undergone primary ionization is recycled through a return pipe for ionization to achieve complete purification. After complete purification, the purified wastewater is introduced into a cooling pipe through a water pump for cooling and then input into a cooling outer box to cool the plasma discharge reaction inner box, thereby increasing the utilization rate of the wastewater, as well as the cooling effect and the wastewater purification effect. Brief Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0012] Figure 1 It is a schematic front view of the overall structure of the present utility model;

[0013] Figure 2 It is a schematic side view of the overall structure of the present utility model;

[0014] Figure 3 It is a schematic cross-sectional view of the plasma discharge reaction inner box of the present utility model;

[0015] Figure 4 It is a schematic cross-sectional view of the cooling outer box and the pipeline system of the present utility model;

[0016] Figure 5 It is a schematic overall structure view of the wastewater collection tank of the present utility model;

[0017] Figure 6 It is a schematic overall structure view of the box body base of the present utility model.

[0018] In the figure: 1. Wastewater treatment main body; 11. Plasma discharge reaction inner box; 111. Wastewater input pipe; 112. Wastewater output pipe; 113. High-voltage electrode; 114. Sprayer; 115. Gas delivery pipe; 116. Grounding electrode; 12. Cooling outer box; 13. Pipeline system; 131. Horizontal water pump; 132. Water pump output pipe; 133. Three-way valve; 134. Return pipe; 135. Cooling pipe; 14. Wastewater collection tank; 141. Liquid inlet valve pipe; 142. Liquid delivery valve pipe; 15. Box body base; 151. Water pump base. Detailed Embodiments

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] By providing a plasma discharge wastewater treatment device in the embodiments of this application, the problems of the existing plasma discharge wastewater treatment device that sprays wastewater through a nozzle and generates reactions in the air are solved. Due to spraying and only having one high-voltage electrode, the treatment is not thorough, and multiple high-voltage electrodes need to be set for ionization treatment, increasing the equipment cost. At the same time, since a large amount of heat is generated during high-voltage discharge, the temperature of the reaction container rises, which easily causes equipment damage.

[0021] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0022] The embodiments of the present utility model disclose a plasma discharge wastewater treatment device.

[0023] According to the attached Figure 1-6 As shown, it includes a wastewater treatment main body 1. A plasma discharge reaction inner box 11 is arranged inside the wastewater treatment main body 1. The wastewater treatment main body 1 further includes a cooling outer box 12 and a pipeline system 13. The cooling outer box 12 is fixedly connected to the outer wall of the plasma discharge reaction inner box 11. The pipeline system 13 is arranged on the outer wall of the cooling outer box 12. The pipeline system 13 includes a horizontal water pump 131, a three-way valve 133, a return pipe 134, and a cooling pipe 135. The horizontal water pump 131 is arranged at the bottom of the cooling outer box 12. The three-way valve 133 is arranged at the top of the horizontal water pump 131. One ends of the return pipe 134 and the cooling pipe 135 are fixedly connected to the two output ends inside the three-way valve 133. The other end of the return pipe 134 is arranged above the plasma discharge reaction inner box 11. The other end of the cooling pipe 135 is fixedly connected to the top of the cooling outer box 12. The ionized wastewater is introduced into the three-way valve 133 through the horizontal water pump 131. Open the valve of the three-way valve 133 towards the return pipe 134, so that the wastewater re-enters the plasma discharge reaction inner box 11 for repeated ionization, enabling the wastewater to be completely purified. The completely purified wastewater enters the horizontal water pump 131 again and leads to the three-way valve 133. The valve of the three-way valve 133 is opened towards the cooling pipe 135, and the purified wastewater is introduced into the cooling outer box 12 after heat dissipation and cooling to cool the plasma discharge reaction inner box 11.

[0024] The main body 1 of wastewater treatment further includes a box base 15. The box base 15 is fixedly connected to the bottom of the plasma discharge reaction inner box 11. On the upper surface of the box base 15, a water pump base 151 is fixedly connected. The horizontal water pump 131 is fixedly connected to the water pump base 151. The box base 15 fixedly places the plasma discharge reaction inner box 11 and is connected to other devices. The water pump base 151 fixes the horizontal water pump 131 on the box base 15.

[0025] The main body 1 of wastewater treatment further includes a wastewater collection tank 14. The wastewater collection tank 14 is fixedly connected to the bottom of the plasma discharge reaction inner box 11. On the upper surface of one end of the wastewater collection tank 14, a liquid inlet valve pipe 141 is fixedly connected. The upper end of the liquid inlet valve pipe 141 is fixedly connected to the bottom end of the cooling outer box 12. At the bottom of the other end of the wastewater collection tank 14, a liquid delivery valve pipe 142 is fixedly connected. The purified wastewater is transported from the cooling outer box 12 into the wastewater collection tank 14 through the liquid inlet valve pipe 141 and flows into the liquid delivery valve pipe 142 and then into other devices, such as a waste liquid storage tank, due to the existence of the inclination angle.

[0026] Inside the plasma discharge reaction inner box 11, there are a wastewater input pipe 111, a wastewater output pipe 112, a high-voltage electrode 113, a spray head 114, a gas delivery pipe 115, and a grounding electrode 116. The wastewater input pipe 111 and the wastewater output pipe 112 are fixedly connected to both ends of the plasma discharge reaction inner box 11. The high-voltage electrode 113 and the grounding electrode 116 are fixedly connected to the top of the inner wall of the plasma discharge reaction inner box 11. The pipeline of the grounding electrode 116 is connected to the ground. The spray head 114 is arranged above the plasma discharge reaction inner box 11. The gas delivery pipe 115 is fixedly connected to the upper wall of the plasma discharge reaction inner box 11. First, the wastewater is transported into the cavity of the plasma discharge reaction inner box 11 through the wastewater input pipe 111, and then into the pipeline system 13 through the wastewater output pipe 112. In the pipeline system 13, it is transported to the spray head 114 and becomes water mist and is ionized by the discharge between the high-voltage electrode 113 and the grounding electrode 116 to purify the harmful substances in the wastewater. The generated gas is transported to other devices, such as a gas storage tank, through the gas delivery pipe 115.

[0027] The pipeline system 13 further includes a water pump output pipe 132. The wastewater output pipe 112 is fixedly connected to the input port of the horizontal water pump 131. One end of the water pump output pipe 132 is fixedly connected to the output port of the horizontal water pump 131. The other end of the water pump output pipe 132 is fixedly connected to the input end of the three-way valve 133. The other end of the return water pipe 134 is fixedly connected to the top of the spray head 114. The wastewater is pumped from the wastewater output pipe 112 to the water pump output pipe 132 through the horizontal water pump 131 and then transported into the three-way valve 133.

[0028] In summary, the foregoing has shown and described the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. Plasma discharge wastewater treatment equipment, including a wastewater treatment main body (1), wherein a plasma discharge reaction inner box (11) is arranged inside the wastewater treatment main body (1), characterized in that, The main body (1) of the wastewater treatment further includes a cooling outer box (12) and a pipeline system (13); The cooling outer box (12) is fixedly connected to the outer wall of the plasma discharge reaction inner box (11). The pipeline system (13) is arranged on the outer wall of the cooling outer box (12). The pipeline system (13) includes a horizontal water pump (131), a three-way valve (133), a return water pipe (134), and a cooling pipe (135); The horizontal water pump (131) is arranged at the bottom of the cooling outer box (12). The three-way valve (133) is arranged at the top of the horizontal water pump (131). One ends of the return water pipe (134) and the cooling pipe (135) are fixedly connected to the two output ends of the three-way valve (133). The other end of the return water pipe (134) is arranged above the plasma discharge reaction inner box (11). The other end of the cooling pipe (135) is fixedly connected to the top of the cooling outer box (12).

2. The plasma discharge-based wastewater treatment equipment according to claim 1, wherein: The main body (1) of the wastewater treatment further includes a box body base (15). The box body base (15) is fixedly connected to the bottom of the plasma discharge reaction inner box (11). A water pump base (151) is fixedly connected to the upper surface of the box body base (15). The horizontal water pump (131) is fixedly connected to the water pump base (151).

3. The wastewater treatment device based on plasma discharge according to claim 1, wherein: The main body (1) of the wastewater treatment further includes a wastewater collection tank (14). The wastewater collection tank (14) is fixedly connected to the bottom of the plasma discharge reaction inner box (11). A liquid inlet valve pipe (141) is fixedly connected to the upper surface of one end of the wastewater collection tank (14). The upper end of the liquid inlet valve pipe (141) is fixedly connected to the bottom end of the cooling outer box (12). A liquid delivery valve pipe (142) is fixedly connected to the bottom of the other end of the wastewater collection tank (14).

4. The plasma discharge-based wastewater treatment equipment according to claim 1, characterized in that: Inside the plasma discharge reaction inner box (11), there are a wastewater input pipe (111), a wastewater output pipe (112), a high-voltage electrode (113), a spray head (114), a gas delivery pipe (115), and a grounding electrode (116); The wastewater input pipe (111) and the wastewater output pipe (112) are fixedly connected to both ends of the plasma discharge reaction inner box (11). The high-voltage electrode (113) and the grounding electrode (116) are fixedly connected to the top of the inner wall of the plasma discharge reaction inner box (11). The pipeline of the grounding electrode (116) is connected to the ground. The spray head (114) is arranged above the plasma discharge reaction inner box (11). The gas delivery pipe (115) is fixedly connected to the upper wall of the plasma discharge reaction inner box (11).

5. The plasma discharge-based wastewater treatment equipment according to claim 4, characterized in that: The pipeline system (13) further includes a water pump output pipe (132). The wastewater output pipe (112) is fixedly connected to the input port of the horizontal water pump (131). One end of the water pump output pipe (132) is fixedly connected to the output port of the horizontal water pump (131). The other end of the water pump output pipe (132) is fixedly connected to the input end of the three-way valve (133). The other end of the return water pipe (134) is fixedly connected to the top of the spray head (114).

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