CN212151925U

CN212151925U - Sodium nitrate waste liquid recycling equipment

Info

Publication number: CN212151925U
Application number: CN202020052007.9U
Authority: CN
Inventors: 夏斌; 杨辉; 周俊; 戴露莹; 马凯
Original assignee: Lishui Jiayuan Environmental Protection Engineering Co ltd
Current assignee: Lishui Jiayuan Environmental Protection Engineering Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-12-15
Anticipated expiration: 2030-01-10

Abstract

The utility model belongs to the technical field of waste water treatment equipment, especially, be a sodium nitrate waste liquid resourceful equipment, including reation kettle, be equipped with two bipolar membranes in reation kettle, the top and the bottom of two bipolar membranes pass through bolt fixed connection with reation kettle's top and bottom inner wall respectively, there is same anion exchange membrane through the bolt fastening on reation kettle's the top inner wall and the bottom inner wall, there is same cation exchange membrane through the bolt fastening on reation kettle's top and the bottom inner wall, the fixed orifices has all been seted up on reation kettle's the both sides inner wall, all has the metal block through the bolt fastening in two fixed orifices, and the one end that two metal blocks are close to each other all extends to in reation kettle and has anode tube and cathode tube through the bolt fastening. The utility model is simple in operation, convenient to use can carry out repeated recycle to the sodium nitrate waste liquid, has saved the treatment cost, can use widely on a large scale.

Description

Sodium nitrate waste liquid recycling equipment

Technical Field

The utility model relates to a waste water treatment equipment technical field especially relates to a sodium nitrate waste liquid resource equipment.

Background

With the continuous development of industry, if industrial sewage is directly formulated, nitrate in water is more and more seriously polluted, and the excessive nitrate increases nutrient substances in the water body, so that autotrophic organisms are promoted to grow vigorously, the water quality is deteriorated, and the ecological environment is damaged. Nitrate has strong chemical stability and is not easy to combine with other compounds, but can be converted into nitrite in human body, and in addition, under the action of various nitrogen-containing organic compounds, nitrate and nitrite can form 'three-cause' substance, and can initiate diseases of cancer, keshan disease and methemoglobinemia, etc. Therefore, the removal of nitrate in water is not very slow.

However, the existing methods for treating the sodium nitrate waste water are complex and high in cost, and cannot be popularized and used in small-sized factories, so that a sodium nitrate waste liquid recycling device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sodium nitrate waste liquid recycling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a recycling device for sodium nitrate waste liquid comprises a reaction kettle, wherein two bipolar membranes are arranged in the reaction kettle, the top and the bottom of the two bipolar membranes are respectively fixedly connected with the top and the bottom inner walls of the reaction kettle through bolts, the top inner wall and the bottom inner wall of the reaction kettle are fixedly provided with the same anion exchange membrane through bolts, the top and the bottom inner walls of the reaction kettle are fixedly provided with the same cation exchange membrane through bolts, the inner walls of the two sides of the reaction kettle are respectively provided with a fixed hole, a metal block is fixed in the two fixed holes through bolts, one end, close to each other, of each metal block extends into the reaction kettle and is fixedly provided with an anode tube and a cathode tube through bolts, the inner wall of the top of the reaction kettle is provided with two first through holes, a first tube and a second tube are respectively fixed in the two first through holes through bolts, and the first tube and the second tube respectively penetrate through the corresponding first through holes, the reaction kettle is characterized in that three second through holes are formed in the inner wall of the bottom of the reaction kettle, third pipes are fixed in the second through holes in the middle positions through bolts, the third pipes penetrate through the corresponding second through holes, fourth pipes are fixed in the second through holes far away from each other through bolts, the two fourth pipes penetrate through the corresponding second through holes respectively, and connecting pipes are arranged at the bottom of the reaction kettle and communicated with the fourth pipes.

Preferably, a first sealing ring is fixedly adhered in the fixing hole, and the metal block is fixedly connected with the inner wall of the first sealing ring in an adhering manner.

Preferably, the anode tube and the cathode tube are formed by winding copper tubes for multiple times.

Preferably, all paste and be fixed with the second sealing washer on the inner wall of two first through-holes, first pipe and second pipe paste fixed connection with the inner wall of the second sealing washer that corresponds respectively.

Preferably, third sealing rings are fixedly adhered in the three second through holes, and the third pipe and the two fourth pipes are fixedly adhered to the inner walls of the corresponding third sealing rings respectively.

Preferably, the two fourth pipes and the connecting pipe are communicated through a communication head.

Compared with the prior art, the beneficial effects of the utility model are that: when the sodium nitrate waste liquid is treated, firstly, the sodium nitrate waste liquid is injected into a reaction kettle through a third pipe, and simultaneously, the sodium nitrate waste liquid is injected into two fourth pipes through a communicating pipe, clear water enters the reaction kettle through the two fourth pipes, then, the anode and the cathode of a power supply are communicated with two metal blocks, the anode and the cathode of the power supply are respectively communicated with the anode pipe and the cathode pipe, the cathode pipe and the anode pipe are mutually reacted with a mixed liquid of the sodium nitrate waste liquid and the clear water in the reaction kettle, hydroxide ions in the clear water and sodium ions in the waste liquid are combined into sodium hydroxide, nitrate ions in the waste liquid and hydrogen ions in the water are combined into nitrous acid, then, the sodium hydroxide solution is discharged through a first pipe, and the sodium nitrite is discharged through a second pipe.

The utility model is simple in operation, convenient to use can carry out repeated recycle to the sodium nitrate waste liquid, has saved the treatment cost, can use widely on a large scale.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

in the figure: 1. a reaction kettle; 2. bipolar membrane; 3. an anion exchange membrane; 4. a cation exchange membrane; 5. a fixing hole; 6. a metal block; 7. a cathode tube; 8. a first through hole; 9. a first tube; 10. a second tube; 11. a second through hole; 12. a fourth tube; 13. a third tube; 14. a connecting pipe; 15. an anode tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a recycling device for sodium nitrate waste liquid comprises a reaction kettle 1, two bipolar membranes 2 are arranged in the reaction kettle 1, the tops and the bottoms of the two bipolar membranes 2 are respectively fixedly connected with the top and the bottom inner walls of the reaction kettle 1 through bolts, the top inner wall and the bottom inner wall of the reaction kettle 1 are fixedly provided with a same anion exchange membrane 3 through bolts, the top and the bottom inner walls of the reaction kettle 1 are fixedly provided with a same cation exchange membrane 4 through bolts, the inner walls of the two sides of the reaction kettle 1 are respectively provided with a fixing hole 5, the two fixing holes 5 are internally provided with a metal block 6 through bolts, the mutually close ends of the two metal blocks 6 extend into the reaction kettle 1 and are fixedly provided with an anode tube 15 and a cathode tube 7 through bolts, the inner wall of the top of the reaction kettle 1 is provided with two first through holes 8, the two first through holes 8 are internally provided with a first tube 9 and a second tube 10 through bolts respectively, the first pipe 9 and the second pipe 10 respectively penetrate through the corresponding first through holes 8, three second through holes 11 are formed in the inner wall of the bottom of the reaction kettle 1, third pipes 13 are fixed in the second through holes 11 in the middle positions through bolts, the third pipes 13 penetrate through the corresponding second through holes 11, fourth pipes 12 are fixed in the second through holes 11 which are far away from each other through bolts, the two fourth pipes 12 respectively penetrate through the corresponding second through holes 11, a connecting pipe 14 is arranged at the bottom of the reaction kettle 1, and the two fourth pipes 12 are communicated with the connecting pipe 14;

a first sealing ring is fixedly adhered in the fixed hole 5, the metal block 6 is fixedly adhered to the inner wall of the first sealing ring, the anode tube 15 and the cathode tube 7 are formed by winding copper tubes for multiple times, second sealing rings are fixedly adhered to the inner walls of the two first through holes 8, the first tube 9 and the second tube 10 are respectively fixedly adhered to the inner walls of the corresponding second sealing rings, third sealing rings are fixedly adhered to the three second through holes 11, the third tube 13 and the two fourth tubes 12 are respectively fixedly adhered to the inner walls of the corresponding third sealing rings, the two fourth tubes 12 are communicated with the connecting tube 14 through a communicating head, when the sodium nitrate waste liquid is treated, the sodium nitrate waste liquid is firstly injected into the reaction kettle 1 through the third tube 13, and simultaneously injected into the two fourth tubes 12 through the communicating tube 14, clean water enters the reaction kettle 1 through the two fourth tubes 12, and then the positive and negative poles of the power supply are communicated with the two metal blocks 6, the positive pole and the negative pole of power are linked together with positive pole pipe 15 and negative pole pipe 7 respectively, and negative pole pipe 7 and positive pole pipe 7 mix the liquid interreaction with the mixed liquid of sodium nitrate waste liquid and clear water in reation kettle 1, and the hydroxyl ion in the clear water combines into sodium hydroxide with the sodium ion in the waste liquid, and the nitrate ion in the waste liquid combines into the nitrous acid with the hydrogen ion in the aquatic, and later the sodium hydroxide solution is discharged via first pipe 9, and sodium nitrite discharges via second pipe 10 again, the utility model is simple in operation, convenient to use can carry out repeated recycle to the sodium nitrate waste liquid, has saved the treatment cost, can use widely on a large scale.

The working principle is as follows: when the sodium nitrate waste liquid is treated, firstly, the sodium nitrate waste liquid is injected into the reaction kettle 1 through the third pipe 13, and simultaneously, the sodium nitrate waste liquid is injected into the two fourth pipes 12 through the communicating pipe 14, the clear water enters the reaction kettle 1 through the two fourth pipes 12, then, the anode and the cathode of the power supply are communicated with the two metal blocks 6, the anode and the cathode of the power supply are respectively communicated with the anode pipe 15 and the cathode pipe 7, the cathode pipe 7 and the anode pipe 7 are mutually reacted with the mixed liquid of the sodium nitrate waste liquid and the clear water in the reaction kettle 1, the hydroxyl ions in the clear water and the sodium ions in the waste liquid are combined into sodium hydroxide, the nitrate ions in the waste liquid and the hydrogen ions in the water are combined into nitrous acid, then the sodium hydroxide solution is discharged through the first pipe 9, and the sodium nitrite is discharged through the second pipe 10, the utility model has simple operation and convenient use, and can repeatedly recycle the sodium nitrate waste liquid, saves the processing cost and can be widely popularized and used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sodium nitrate waste liquid resource equipment, includes reation kettle (1), its characterized in that: the reactor comprises a reaction kettle (1), wherein two bipolar membranes (2) are arranged in the reaction kettle (1), the tops and the bottoms of the two bipolar membranes (2) are respectively fixedly connected with the top and the bottom inner walls of the reaction kettle (1), the top inner wall and the bottom inner wall of the reaction kettle (1) are fixedly provided with the same anion exchange membrane (3), the top and the bottom inner wall of the reaction kettle (1) are fixedly provided with the same cation exchange membrane (4), the inner walls of the two sides of the reaction kettle (1) are respectively provided with a fixed hole (5), the two fixed holes (5) are respectively and fixedly provided with a metal block (6), one end of each metal block (6), which is close to each other, extends into the reaction kettle (1) and is fixedly provided with an anode tube (15) and a cathode tube (7), the inner wall of the top of the reaction kettle (1) is provided with two first through holes (8), and the two first through holes (8) are respectively and fixedly provided with a first tube (, first pipe (9) and second pipe (10) run through corresponding first through-hole (8) respectively, three second through-hole (11) have been seted up on the bottom inner wall of reation kettle (1), and fixed mounting has third pipe (13) in second through-hole (11) that are located the intermediate position, third pipe (13) run through corresponding second through-hole (11), and equal fixed mounting has fourth pipe (12) in the second through-hole (11) of keeping away from each other, and two fourth pipes (12) run through corresponding second through-hole (11) respectively, the bottom of reation kettle (1) is equipped with connecting pipe (14), and two fourth pipes (12) all are linked together with connecting pipe (14).

2. The sodium nitrate waste liquid recycling equipment according to claim 1, characterized in that: a first sealing ring is fixedly mounted in the fixing hole (5), and the metal block (6) is fixedly connected with the inner wall of the first sealing ring.

3. The sodium nitrate waste liquid recycling equipment according to claim 1, characterized in that: the anode tube (15) and the cathode tube (7) are formed by bending copper tubes for multiple times.

4. The sodium nitrate waste liquid recycling equipment according to claim 1, characterized in that: the inner walls of the two first through holes (8) are fixedly provided with second sealing rings, and the first pipe (9) and the second pipe (10) are fixedly connected with the inner walls of the corresponding second sealing rings respectively.

5. The sodium nitrate waste liquid recycling equipment according to claim 1, characterized in that: third sealing rings are fixedly mounted in the three second through holes (11), and the third pipe (13) and the two fourth pipes (12) are fixedly connected with the inner walls of the corresponding third sealing rings respectively.

6. The sodium nitrate waste liquid recycling equipment according to claim 1, characterized in that: the two fourth pipes (12) are communicated with the connecting pipe (14) through a communicating head.