CN212655544U - Ozone injection apparatus for industrial wastewater treatment - Google Patents

Abstract

The utility model relates to an industrial waste water treatment ozone injection apparatus, including water dart, the ozone pipeline, pressurization water pipe and a plurality of nozzle, the ozone pipeline passes through flange joint to air supply one side of water dart, and still connect gradually the ozone flowmeter on the ozone pipeline, electrical control valve, the front end of water dart side of intaking connects the pressurization water pipe, and be equipped with pressure boost water flowmeter on the pressurization water pipe, a plurality of nozzle is all installed on the waste water trunk line, and the connecting tube of every nozzle all is connected to on the outlet conduit of the rear end side of water dart, at the ozone pipeline, respectively be connected with a manometer on pressurization water pipe and the outlet conduit. Has the advantages that: the device has no civil engineering workload basically, has lower investment cost compared with other feeding modes, can save a large amount of land, only needs to modify and add the device on the original pipeline, and is easy to realize installation; the device basically does not change the loss of the original whole pipeline along the way and does not influence the water level elevation design of the original process system.

Description

Ozone injection apparatus for industrial wastewater treatment

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, in particular to industrial wastewater handles ozone injection apparatus.

Background

With the continuous development of the technology, ozone is gradually applied to water body oxidation from early disinfection, nowadays, ozone oxidation is widely applied to municipal and industrial water treatment fields, and a good application effect is obtained, and at present, an ozone adding system is arranged or reserved in a plurality of water plants, sewage plants and industrial wastewater advanced treatment projects, because compared with the traditional chlorination or other processes, the ozone process has the following advantages and effects: the water treatment agent has strong oxidizability, can effectively decompose and degrade organic matters in water, and can oxidize and dissolve indissolvable substances of inorganic colored ions such as iron, manganese and the like; the decoloring, deodorizing and deodorizing effects are good; meanwhile, the ozone oxidation can also enhance the flocculation effect and reduce trihalomethane and precursor substances of trihalomethane and the like.

Currently, ozone dosing in tap water and sewage treatment projects basically adopts a microporous aeration disc and a radial-flow aerator, wherein the microporous aeration disc is mostly applied to ozone dosing after water treatment and the radial-flow aerator is applied to ozone before water treatment due to the sizes of impurities such as particles existing in a tank body before and after water treatment. The two devices are required to be arranged in the ozone contact tank, so that the ozone directly reacts with raw water or sewage, and the ozone stays in the tank body for a certain time to ensure good mass transfer effect, so that the adding devices have large occupied area and are mostly applied to newly-built municipal water treatment engineering; and meanwhile, the device is easy to block, and the like, and is arranged underwater, so that raw water in the pool needs to be emptied during maintenance, the required engineering quantity is large, and normal operation, maintenance and repair are not facilitated. The self wastewater discharge amount of some industries and manufacturing industries is not very large, wastewater treatment facilities are concentrated, sites are limited if new wastewater treatment equipment is built or the original process is modified, investment and operation cost are increased if aeration is adopted in a pond, and certain limitation exists in use.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ozone injection device for industrial wastewater treatment to solve the technical problem.

Technical scheme as follows, an industrial waste water handles ozone injection apparatus, its characterized in that, including water dart, ozone pipeline, pressurized water pipe and a plurality of nozzle, the ozone pipeline passes through flange connection to air supply one side of water dart, and still connect gradually ozone flowmeter, electrical control valve on the ozone pipeline, the front end of water dart is intake the side and is connected pressurized water pipe, and be equipped with pressurized water flowmeter on the pressurized water pipe, a plurality of nozzle is all installed on the waste water trunk line to the connecting tube of every nozzle all is connected to on the outlet conduit of the rear end play water side of water dart the ozone pipeline pressurized water pipe reaches respectively be connected with a manometer on the outlet conduit.

As a further improvement, a first check valve and a second check valve are connected to the ozone pipeline after the electric control valve, and are used for preventing the power water of the water ejector from flowing backwards.

As a further improvement, a liquid level switch and a pneumatic valve are sequentially connected to an ozone pipeline between the first check valve and the second check valve, and the pneumatic valve can be used as an independent turn-off valve on the ozone pipeline and linked with the liquid level switch to ensure that the power water of the water ejector cannot flow back to the ozone feeding pipeline.

As a further improvement, the first check valve and the second check valve are welded on the ozone pipeline. The connection is firmer and is not easy to damage.

As a further improvement, the electric regulating valve and the ozone flowmeter are connected to the ozone pipeline through flanges. Is convenient to be disassembled and replaced.

As a further improvement, the ozone pipeline, the booster water pipeline and the flange are all made of 316L stainless steel materials. Corrosion resistance and prolonged service life.

Advantageous effects

The beneficial effects are that: the device of the utility model has no civil work load basically, the investment cost is lower compared with other feeding modes, a large amount of land can be saved, only the device needs to be rectified and added on the original pipeline, and the installation is easy to realize; the utility model discloses the device does not change the loss of original whole pipeline along journey basically, does not influence original process systems's water level elevation design yet. The ozone adding is stable and easy to operate and control, the water injector and the nozzle which are core components of the device are convenient to operate, maintain and overhaul, and the cost of operation and maintenance can be saved; the ozone adding position is flexible, the ozone adding can be carried out before or after independently, and the ozone adding device is particularly suitable for the deep treatment and transformation engineering of the industrial wastewater with limited places.

Drawings

The present invention will be further described with reference to the accompanying drawings and embodiments.

Fig. 1 is a schematic view of the overall structure of the present invention;

reference numbers in the figures:

1. ozone pipeline 2, booster water pipe 3 and main wastewater pipeline

4. Water ejector 5, nozzle 6, electric regulating valve

7. Pneumatic valve 8, first check valve 9, ozone flowmeter

10. Pressure water flowmeter 11, manometer 12, liquid level switch

13. Second check valve 14, outlet conduit

Detailed Description

In order to further understand and appreciate the structural features and advantages of the present invention, preferred embodiments and the accompanying drawings are described in detail as follows:

as shown in fig. 1, an ozone injection device for industrial wastewater treatment comprises a water injector 4, an ozone pipeline 1, a pressurized water pipe 2 and a plurality of nozzles 5, wherein the ozone pipeline 1 is connected to one side of a gas source of the water injector 4 through a flange, an ozone flowmeter 9 and an electric control valve 6 are sequentially connected to the ozone pipeline 1, the ozone flowmeter 9 is used for measuring and displaying ozone gas flow passing through the ozone pipeline and is linked with the electric control valve, and the electric control valve changes the valve opening along with the change of the flow; a first check valve 8 and a second check valve 13 are connected behind the electric regulating valve 6 and used for preventing the power water of the water ejector from flowing backwards; a liquid level switch 13 and a pneumatic valve 7 are sequentially connected to the ozone pipeline between the first check valve 8 and the second check valve 13, and the pneumatic valve 7 can be used as an independent shut-off valve on the ozone pipeline and linked with the liquid level switch 13 to ensure that the power water of the water injector cannot flow back to the ozone adding pipeline; the water inlet side at the front end of the water ejector 4 is connected with the pressurized water pipe 2, and the pressurized water pipe 2 is provided with a pressurized water flowmeter 10 for measuring the flow of pressurized water passing through the pressurized water pipe; the plurality of nozzles 5 are all installed on the main wastewater pipeline 3, the connecting pipeline of each nozzle 5 is connected to the water outlet pipeline 14 on the rear water outlet side of the water ejector 4, and the ozone pipeline 1, the pressurizing water pipe 2 and the water outlet pipeline 14 are respectively connected with a pressure gauge.

The first check valve 8 and the second check valve 13 are welded on the ozone pipeline 1, so that the connection is firmer and is not easy to damage; electric control valve 6, ozone flowmeter 9 all through flange joint on the ozone pipeline, convenient to detach changes.

In order to prolong the service life of the device, the ozone pipeline 1, the booster water pipeline 2 and the flange are all made of 316L stainless steel materials.

The utility model discloses the theory of operation of device:

ozone gas generated by the ozone system is conveyed to the gas side of the water injector 4 through the ozone pipeline 1 by the linkage control of the ozone flowmeter 9 and the electric regulating valve 6; pressurized water is conveyed to the water inlet side of the water ejector 4 through a pressurized water pipe, the water ejector 4 consists of three parts, namely a pressurized pipe, a suction chamber and a diffusion opening, negative pressure is generated by the pressurized water at the throat part of a mixing pipe by utilizing the jet negative pressure principle to cause the vacuum state in the suction chamber, ozone gas is automatically sucked into the mixing pipe through an ozone pipeline under the action of pressure difference, water flow is vigorously mixed and stirred, gas is crushed into tiny bubbles, the ozone and the water are fully mixed and then sprayed out from the diffusion opening and then into a main wastewater pipe through a nozzle, and eddy current is generated in the main wastewater pipe to further fully dissolve the gas into the water. In the operation process, according to the flow of the waste water of being handled in being responsible for, electrical control valve 6 and ozone flowmeter 9 coordinated control for ozone realizes throwing automatically and throws with, ensures that ozone can fully contact with waste water and reacts.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides an industrial wastewater handles ozone injection apparatus, its characterized in that, includes water dart, ozone pipeline, pressurized water pipe and a plurality of nozzle, the ozone pipeline passes through flange connection to air supply one side of water dart, and still connect gradually ozone flowmeter, electrical control valve on the ozone pipeline, the front end of water dart side of intaking is connected pressurized water pipe, and be equipped with pressurized water flowmeter on the pressurized water pipe, a plurality of nozzle is all installed on the waste water trunk line to the connecting tube of every nozzle all is connected to on the outlet conduit of the rear end play water side of water dart the ozone pipeline pressurized water pipe reaches respectively be connected with a manometer on the outlet conduit.

2. The industrial wastewater treatment ozone injection apparatus of claim 1, wherein a first check valve and a second check valve are connected to the ozone pipeline after the electric control valve.

3. The industrial wastewater treatment ozone injection device as claimed in claim 2, wherein a liquid level switch and a pneumatic valve are connected to the ozone pipeline between the first check valve and the second check valve in sequence.

4. The industrial wastewater treatment ozone injection apparatus of claim 2 or 3, wherein the first check valve and the second check valve are welded to the ozone pipe.

5. The industrial wastewater treatment ozone injection device of claim 1, wherein the electric control valve and the ozone flowmeter are connected to the ozone pipeline through flanges.

6. The industrial wastewater treatment ozone injection apparatus of claim 1, wherein the ozone pipeline, the pressurized water pipeline and the flange are all made of 316L stainless steel.

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