CN214781364U

CN214781364U - Device for denitrification of water body entering estuary from river

Info

Publication number: CN214781364U
Application number: CN202120873643.2U
Authority: CN
Inventors: 郑海宏; 郑孔泽雨
Original assignee: Zhoushan Runrun Environmental Protection Energy Technology Co ltd
Current assignee: Zhejiang Runrun Environmental Protection Energy Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-19
Anticipated expiration: 2031-04-26

Abstract

The utility model belongs to the technical field of water quality management, a device of sea mouth water denitrogenation is gone into in river surge, including the equipment of entrying, the equipment output of entrying is connected with the generator container, install the plate electrode in the generator container, the generator container is connected with rectifier transformer, rectifier transformer positive negative pole and plate electrode are connected, the generator container is equipped with the air inlet, the air inlet input is connected with the air pump, the generator container is connected with outlet duct and outlet pipe, it has the sedimentation tank to go out water piping connection, the sedimentation tank is connected with the elevator pump of carrying river water, install the aeration dish in the sedimentation tank, be connected with the forced draught fan between aeration dish and the outlet duct, the sedimentation tank is connected with two and adds the explosive barrel, two add the explosive barrel and all install agitated vessel, the sedimentation tank is connected with the drain pipe.

Description

Device for denitrification of water body entering estuary from river

Technical Field

The utility model belongs to the technical field of water quality management, concretely relates to device of sea mouth water denitrogenation is gone into in river surge.

Background

With the development and progress of science and technology, the requirements of people for things are changed from old thinking that people can use things as things to be quite fine and smooth, and only with the continuous progress or innovation conception, a new form is generated to improve the added value of the product, so that people can live under the test of intense market competition. With the writing of ecological civilization construction into constitutions by China, the requirements of China on environmental protection are higher and higher, the requirements on polluted river treatment are also improved equally, and the five categories are from black and odorous removal to elimination. The requirement is to reach three or four types of surface water, but the main pollution of the existing method for preventing the water quality of the river channel from reaching the standard is ammonia nitrogen. Especially, in the case of a flowing river, the amount of water is huge and the basin is wide, the salt water and the fresh water enter the sea mouth of the river to meet, and the boundary line of the intersection is frequently changed along with the size and the fluctuation of the flood due to factors such as tide and flood season, so that the currently adopted ecological technology is difficult to fix a biological method. For example, the aquatic plants and microorganisms in the salt water hardly survive in the fresh water, and the aquatic plants and microorganisms in the fresh water hardly survive in the salt water area, so that the water quality is improved as a difficult point for river surge treatment at the salt water and fresh water junction, which is often the sea entrance of the river surge.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a device for denitrifying a water body flowing into a sea mouth from a river.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the utility model provides a device of sea mouth water denitrogenation is gone into in river surge, includes into the water installation, it is connected with the generator to go into the water installation output, install the plate electrode in the generator, the generator is connected with rectifier transformer, rectifier transformer positive negative pole is connected with the plate electrode, the generator is equipped with the air inlet, the air inlet input is connected with the air pump, the generator is connected with outlet duct and outlet pipe, it has the sedimentation tank to go out water piping connection, the sedimentation tank is connected with the elevator pump of transport river, install the aeration dish in the sedimentation tank, be connected with the pressurization fan between aeration dish and the outlet duct, the sedimentation tank is connected with two and adds the explosive barrel, two add the explosive barrel and all install agitated vessel, the sedimentation tank is connected with the drain pipe.

Further inject, install the swash plate in the sedimentation tank, the sedimentation tank is equipped with a plurality of mud pipes that are located the swash plate below, and such design is convenient for the gathering of precipitate and is discharged.

Further inject, the inside mixing chamber that is equipped with of sedimentation tank, the mixing chamber input with add the medicine bucket intercommunication, such design accelerates mixing rate.

Further inject, two it adds the medicine bucket for PAC adds medicine bucket and PAM adds medicine bucket respectively, and such design accelerates the speed of deposiing.

Further inject, it is equipped with the setting tank to go into water equipment input, such design is preliminary sediment to the sea water.

Adopt the beneficial effects of the utility model:

1. by adopting the structural design of the utility model, compared with the prior art in which chemical drugs such as sodium hypochlorite, bleaching powder or chlorine products thereof are directly added, the utility model uses seawater to make sodium hypochlorite to carry out breakpoint dechlorination, uses seawater to ionize, so that sodium hypochlorite is generated, uses local materials, is suitable for water bodies with large water volume and low-concentration ammonia nitrogen pollution, and has low cost;

2. the biological denitrification in the prior art is usually affected by temperature change, for example, when the air temperature is below 12 ℃, nitrifying bacteria and denitrifying bacteria of microorganisms can be inhibited, so that the denitrification of a water body is affected, and aquatic plants can wither along with winter, so that the purification effect of the aquatic plants on the water quality of a river channel is affected, and the principle of denitrification reaction of the utility model is little affected by the change of the climate temperature, and has good applicability;

3. the utility model discloses the flood season water yield does not change, the utility model discloses can come the quantity of the sodium hypochlorite of indirect control production through flow and the current volume when adjusting the sea water ionization, make practical function good along with the mode of site conditions regulation and control.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of an embodiment of the device for denitrification of water bodies entering the sea mouth from rivers according to the present invention;

the main element symbols are as follows:

the device comprises a water inlet device 1, a generating container 2, an electrode plate 21, a rectifier transformer 3, an air inlet 4, an air outlet pipe 5, an water outlet pipe 6, a sedimentation tank 7, an inclined plate 71, a sludge discharge pipe 72, a mixing chamber 73, a lift pump 8, an aeration disc 10, a pressurizing fan 11, a medicine adding barrel 12, a stirring device 121, a sedimentation tank 13 and a water outlet pipe 14.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model discloses a device of sea mouth water denitrogenation is gone into in river surge, including income water equipment 1, it is connected with generating vessel 2 to go into water equipment 1 output, install plate electrode 21 in the generating vessel 2, generating vessel 2 is connected with rectifier transformer 3, rectifier transformer 3 positive negative pole is connected with plate electrode 21, generating vessel 2 is equipped with air inlet 4, the 4 input of air inlet is connected with the air pump, generating vessel 2 is connected with outlet duct 5 and outlet pipe 6, outlet pipe 6 is connected with sedimentation tank 7, sedimentation tank 7 is connected with the elevator pump 8 of carrying river water, install aeration dish 10 in sedimentation tank 7, be connected with booster fan 11 between aeration dish 10 and the outlet duct 5, sedimentation tank 7 is connected with two and adds explosive barrel 12, stirring apparatus 121 is all installed to two and adds explosive barrel 12, sedimentation tank 7 is connected with drain pipe 14.

In this embodiment, when using a device for removing nitrogen from a water body flowing into a sea mouth in a river, seawater is pumped into a generating container 2 through a water inlet device 1, after alternating current is converted into direct current through a rectifier transformer 3, the seawater is ionized after positive and negative electrodes are connected with an electrode plate 21, the salinity and chloride in the seawater, such as sodium chloride, potassium chloride, magnesium chloride and the like, generate hypochlorous acid under ionization, the hypochlorous acid enters a sedimentation tank 7 through a water outlet pipe 6 and is mixed and precipitated with river water pumped by a lifting plate 8, after reaction is carried out for half an hour, the aim of removing nitrogen from the river water is achieved, when the ammonia nitrogen in a river channel is reduced to 0.5-1 mg/L, the ammonia nitrogen index of the river channel reaches the level II and III of surface water and meets the discharge standard, and the rectifier transformer 3 cooperates with an air inlet 4 to ionize the seawater, hydrogen generated by the air outlet pipe 5 and cooperates with a pressure fan 11 and an aeration disc 10 to aerate the water in the sedimentation tank 7, it should be pointed out here that the gas added inwards through the gas inlet 4 can be auxiliary reaction or simply increase pressure, so as to achieve the purpose of removing residual chlorine from denitrified river water, thereby enabling the water quality to reach the standard, and then the water is discharged back to the river channel through the water discharge pipe 14, so as to achieve the purpose of improving the water quality at the position where the river gushes into the sea mouth.

In this embodiment, the seawater may be replaced by saline water, for example, a saline water tank is set up, so that the system is suitable for purifying river channels which are not adjacent to the sea, and the application range is expanded.

Preferably, the inclined plate 71 is installed in the sedimentation tank 7, and the sedimentation tank 7 is provided with a plurality of sludge discharge pipes 72 positioned below the inclined plate 71, so that the sedimentation tank is designed to facilitate the collection and discharge of the sediments, and in fact, the method for facilitating the collection and discharge of the sediments can be considered according to specific situations.

Preferably, the sedimentation tank 7 is internally provided with a mixing chamber 73, and the input end of the mixing chamber 73 is communicated with the dosing barrel 12, so that the mixing speed is increased, and in fact, the measure of increasing the mixing speed can be considered according to specific situations.

Preferably, two medicine barrels 12 are PAC medicine barrel and PAM medicine barrel respectively, and such design accelerates the speed of precipitation, in fact, can also consider the method of accelerating the speed of precipitation according to particular case.

Preferably, the input end of the water inlet equipment 1 is provided with a settling tank 13, and by adopting the design, the seawater is preliminarily settled, and actually, the measures for preliminarily treating the seawater can be considered according to specific conditions.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a device of sea mouth water denitrogenation is gone into in river gush, includes into water equipment (1), its characterized in that: the output end of the water inlet device (1) is connected with a generating container (2), an electrode plate (21) is installed in the generating container (2), the generating container (2) is connected with a rectifier transformer (3), the positive and negative poles of the rectifier transformer (3) are connected with the electrode plate (21), the generating container (2) is provided with an air inlet (4), the input end of the air inlet (4) is connected with an air pump, the generating container (2) is connected with an air outlet pipe (5) and an water outlet pipe (6), the water outlet pipe (6) is connected with a sedimentation tank (7), the sedimentation tank (7) is connected with a lift pump (8) for conveying river water, an aeration disc (10) is installed in the sedimentation tank (7), a pressurizing fan (11) is connected between the aeration disc (10) and the air outlet pipe (5), the sedimentation tank (7) is connected with two medicine adding barrels (12), and stirring devices (121) are installed on the two medicine adding barrels (12), the sedimentation tank (7) is connected with a drain pipe (14).

2. The device for denitrification of water bodies flowing into the seaports in the river according to claim 1, wherein: an inclined plate (71) is installed in the sedimentation tank (7), and a plurality of sludge discharge pipes (72) positioned below the inclined plate (71) are arranged on the sedimentation tank (7).

3. The device for denitrification of water bodies flowing into the seaports in the river according to claim 2, wherein: the sedimentation tank (7) is internally provided with a mixing chamber (73), and the input end of the mixing chamber (73) is communicated with the dosing barrel (12).

4. The device for denitrification of water bodies flowing into the seaports in the river according to claim 3, wherein: the two medicine adding barrels (12) are a PAC medicine adding barrel and a PAM medicine adding barrel respectively.

5. The device for denitrification of water bodies flowing into the seaports in the river according to claim 4, wherein: and a settling tank (13) is arranged at the input end of the water inlet equipment (1).