Ozone oxidation sewage treatment equipment

Abstract

The utility model discloses ozone oxidation sewage treatment equipment which comprises a pretreatment box, an ozone generator and a collection box, a water suction pump is installed on the upper side wall of the pretreatment box, the output end of the water suction pump is fixedly connected with a water outlet pipe, the output end of the ozone generator is fixedly connected with an ozone connecting pipe, and the ozone connecting pipe is fixedly connected with a water outlet pipe. The ozone connecting pipe and the water outlet pipe are fixedly connected with the same Venturi tube, a water inlet cavity, a middle thin neck and a liquid discharge cavity are formed in the Venturi tube, and the Venturi tube is installed in the upper side wall of the collecting box. According to the utility model, when water flows through the middle thin neck, as the section of the pipeline is reduced and the flow speed of fluid is increased, negative pressure is generated at the air inlet cavity, ozone generated by the ozone generator is pumped into the Venturi tube, the ozone and sewage can be fully mixed in the Venturi tube, and a large number of fine bubbles are generated in the sewage; the oxidation efficiency and the oxidation effect of the sewage are effectively promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to ozone oxidation sewage treatment equipment. Background Art

[0002] With the continuous improvement of environmental awareness and resource conservation awareness, the treatment of industrial and domestic sewage has received more and more attention. There are many methods for sewage treatment, such as physical treatment, chemical treatment and biological treatment, etc. Ozone has a strong oxidizing ability. Using ozone as an oxidant can effectively purify and disinfect wastewater.

[0003] However, during the ozone reaction treatment of sewage, it is not convenient for ozone to fully contact with sewage, which reduces the efficiency of the ozone oxidation reaction and makes the sewage treatment effect poor. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides an ozone oxidation sewage treatment device, which is provided with an air pump and a venturi tube. The air pump can pass the filtered sewage into the venturi tube through the outlet pipe. When the sewage flows through the middle neck, the pipe cross section is reduced and the fluid flow rate is increased, thereby generating a negative pressure at the air inlet cavity, and the ozone generated by the ozone generator is pumped into the venturi tube. The ozone and the sewage are fully mixed in the venturi tube, and a large number of fine bubbles are generated in the sewage, which effectively promotes the oxidation efficiency and oxidation effect of the sewage.

[0005] The device is provided with an outlet valve. When the air pressure in the collection box is too high, the gas will push the sliding piston to move upward, and the high-pressure gas will enter the ozone connecting pipe through the air flow channel and the outlet valve connecting pipe for recycling, effectively improving the utilization rate of ozone.

[0006] The utility model also provides the above-mentioned ozone oxidation sewage treatment equipment, comprising: a pretreatment box, an ozone generator and a collection box, wherein a water pump is installed on the upper side wall of the pretreatment box, the output end of the water pump is fixedly connected to a water outlet pipe, the output end of the ozone generator is fixedly connected to an ozone connecting pipe, the ozone connecting pipe and the water outlet pipe are fixedly connected to the same venturi tube, the interior of the venturi tube is provided with a water inlet cavity, a middle narrow neck and a liquid discharge cavity, and the venturi tube is installed inside the upper side wall of the collection box;

[0007] An outlet valve is installed inside the upper side wall of the collecting box, a sliding inner groove is arranged inside the lower side wall of the outlet valve, a sliding piston is slidably connected inside the sliding inner groove, a plurality of air flow channels are arranged on the outer side wall of the sliding inner groove and inside the outlet valve, and the outlet valve is connected to the ozone connecting pipe.

[0008] According to the ozone oxidation sewage treatment equipment, a plurality of partitions are fixedly connected inside the pretreatment box to increase the treatment time of sewage in the pretreatment box, and a filter frame is installed between the partitions to filter impurities in the sewage.

[0009] According to the ozone oxidation sewage treatment equipment, a sewage connecting pipe is installed on the upper side wall of the pretreatment box to facilitate the sewage to enter the pretreatment box.

[0010] According to the ozone oxidation sewage treatment equipment, a clean water discharge pipe is provided on the rear side wall of the collection box to facilitate the discharge of clean water after ozone oxidation.

[0011] According to the ozone oxidation sewage treatment equipment, a return spring is installed between the sliding inner groove and the sliding piston to facilitate the sliding piston to return to its original position.

[0012] According to the ozone oxidation sewage treatment equipment, a solenoid valve is installed inside the upper end of the outlet valve to control the exhaust condition of the outlet valve.

[0013] According to the ozone oxidation sewage treatment equipment, the middle neck is arranged between the water inlet cavity and the liquid discharge cavity, so that when the liquid flows into the middle neck, the pipe cross section is reduced and the fluid flow rate is increased.

[0014] According to the ozone oxidation sewage treatment equipment, an air inlet cavity is installed on one side wall of the middle narrow neck, and the air inlet cavity is connected with the ozone connecting pipe to facilitate the introduction of ozone into the venturi tube.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of an ozone oxidation sewage treatment device of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of an ozone oxidation sewage treatment device of the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of a Venturi tube of an ozone oxidation sewage treatment device of the utility model;

[0020] Figure 4 This is a schematic diagram of the interior of an air outlet valve of an ozone oxidation sewage treatment device according to the utility model.

[0021] Legend:

[0022] 1. Pretreatment box; 101. Sewage connecting pipe; 102. Partition; 103. Filter rack; 2. Ozone generator; 201. Ozone connecting pipe; 3. Collection box; 301. Clean water discharge pipe; 4. Water pump; 401. Water outlet pipe; 5. Air outlet valve; 501. Solenoid valve; 502. Sliding inner groove; 503. Return spring; 504. Sliding piston; 505. Air flow channel; 6. Venturi tube; 601. Water inlet chamber; 602. Middle narrow neck; 603. Liquid discharge chamber; 604. Air inlet chamber. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4The utility model embodiment is an ozone oxidation sewage treatment equipment, which includes: a pretreatment box 1, an ozone generator 2 and a collection box 3. A water pump 4 is installed on the upper side wall of the pretreatment box 1. The output end of the water pump 4 is fixedly connected to a water outlet pipe 401. The output end of the ozone generator 2 is fixedly connected to an ozone connecting pipe 201. The ozone connecting pipe 201 and the water outlet pipe 401 are fixedly connected to the same venturi tube 6. The interior of the venturi tube 6 is provided with a water inlet chamber 601, an intermediate neck 602 and a liquid discharge chamber 603. The venturi tube 6 is installed inside the upper side wall of the collection box 3. The intermediate neck 602 is arranged between the water inlet chamber 601 and the liquid discharge chamber 603, so that when the liquid flows into the intermediate neck 602, the pipe cross-section is reduced and the fluid flow rate is increased. An air inlet chamber 604 is installed on one side wall of the intermediate neck 602. The air inlet chamber 604 is connected to the ozone connecting pipe 201, so that ozone is easily introduced into the venturi tube 6.

[0026] An outlet valve 5 is installed inside the upper side wall of the collecting box 3, and a sliding inner groove 502 is provided inside the lower side wall of the outlet valve 5. The sliding inner groove 502 is slidably connected to a sliding piston 504. The outer wall of the sliding inner groove 502 is provided with a plurality of air flow channels 505 inside the outlet valve 5. The outlet valve 5 is connected to the ozone connecting pipe 201. A reset spring 503 is installed between the sliding inner groove 502 and the sliding piston 504 to facilitate the reset of the sliding piston 504. An electromagnetic valve 501 is installed inside the upper end of the outlet valve 5 to control the exhaust condition of the outlet valve 5.

[0027] A plurality of partitions 102 are fixedly connected inside the pretreatment box 1 to increase the treatment time of sewage in the pretreatment box 1. A filter frame 103 is installed between the partitions 102 to filter impurities in the sewage. A sewage connecting pipe 101 is installed on the upper side wall of the pretreatment box 1 to facilitate the sewage to enter the pretreatment box 1. A clean water discharge pipe 301 is provided on the rear side wall of the collection box 3 to facilitate the discharge of clean water after ozone oxidation.

[0028] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller can be a conventional known device for control such as a computer, and the electrical components appearing in this article are all electrically connected to an external power supply.

[0029] Working principle: The device is provided with an air pump 4 and a venturi tube 6. The air pump 4 can pass the filtered sewage into the venturi tube 6 through the outlet pipe 401. When the sewage flows through the middle neck 602, the pipe cross-section is reduced and the fluid flow rate is increased, thereby generating a negative pressure at the air inlet chamber 604, and the ozone generated by the ozone generator 2 is sucked into the venturi tube 6. The ozone and the sewage are fully mixed in the venturi tube 6, and a large number of fine bubbles are generated in the sewage, which effectively promotes the oxidation efficiency and oxidation effect of the sewage; the device is provided with an air outlet valve 5. When the air pressure in the collection box 3 is too high, the gas will push the sliding piston 504 to move upward, and the high-pressure gas will enter the ozone connecting pipe 201 through the air flow channel 505 and the air outlet valve 5 connecting pipe for recycling, effectively improving the utilization rate of ozone.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An ozone oxidation sewage treatment equipment, characterized in that: include: A pretreatment box (1), an ozone generator (2) and a collection box (3), wherein a water pump (4) is installed on the upper side wall of the pretreatment box (1), the output end of the water pump (4) is fixedly connected to a water outlet pipe (401), the output end of the ozone generator (2) is fixedly connected to an ozone connecting pipe (201), the ozone connecting pipe (201) and the water outlet pipe (401) are fixedly connected to the same venturi tube (6), the interior of the venturi tube (6) is provided with a water inlet chamber (601), an intermediate narrow neck (602) and a liquid discharge chamber (603), and the venturi tube (6) is installed inside the upper side wall of the collection box (3); An air outlet valve (5) is installed inside the upper side wall of the collection box (3), a sliding inner groove (502) is arranged inside the lower side wall of the air outlet valve (5), a sliding piston (504) is slidably connected inside the sliding inner groove (502), a plurality of air flow channels (505) are arranged on the outer side wall of the sliding inner groove (502) and inside the air outlet valve (5), and the air outlet valve (5) is connected to the ozone connecting pipe (201).

2. The ozone oxidation sewage treatment equipment according to claim 1 is characterized in that: A plurality of partitions (102) are fixedly connected inside the pretreatment box (1), and a filter frame (103) is installed between the partitions (102) and the partitions (102).

3. The ozone oxidation sewage treatment equipment according to claim 1 is characterized in that: A sewage connecting pipe (101) is installed on the upper side wall of the pretreatment box (1).

4. The ozone oxidation sewage treatment equipment according to claim 1, characterized in that: The rear side wall of the collection box (3) is provided with a clean water discharge pipe (301).

5. The ozone oxidation sewage treatment equipment according to claim 1 is characterized in that: A return spring (503) is installed between the sliding inner groove (502) and the sliding piston (504).

6. The ozone oxidation sewage treatment equipment according to claim 1, characterized in that: A solenoid valve (501) is installed inside the upper end of the air outlet valve (5).

7. The ozone oxidation sewage treatment equipment according to claim 1 is characterized in that: The middle narrow neck (602) is arranged between the water inlet chamber (601) and the liquid discharge chamber (603).

8. The ozone oxidation sewage treatment equipment according to claim 1, characterized in that: An air inlet cavity (604) is installed on one side wall of the middle narrow neck (602), and the air inlet cavity (604) is connected to the ozone connecting pipe (201).

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