CN211502814U - Denitration desulfurization waste water treatment retrieval and utilization device - Google Patents

Abstract

The utility model discloses a denitration and desulfurization wastewater treatment and recycling device, which comprises an incineration box, wherein one side of the incineration box is provided with an ash discharge port, a burner is arranged on one side of the inside of the incineration box far away from the ash discharge port, an atomizer is arranged at the center of the top in the incineration box, the top of the atomizer is provided with a six main pipe, the six main pipes penetrate through the incineration box, the other end of the six main pipes is provided with a seven main pipe and an eight main pipe, the seven main pipes and the eight main pipes are respectively arranged at two sides of the six main pipes, the other end of the seven main pipes is provided with an oil tank, the other end of the main pipe eight is provided with a waste liquid tank, the main pipe six is provided with a booster pump three, one side of the incineration tank and above the ash discharge port is provided with an air inlet pipe, the heat exchanger is arranged on the air inlet pipe, the denitration box is arranged on the other side of the air inlet pipe, and the water return pipe is arranged at the bottom of one side, away from the air inlet pipe, of the denitration box. Has the advantages that: the denitration and desulfurization device improves the denitration and desulfurization efficiency.

Description

Denitration desulfurization waste water treatment retrieval and utilization device

Technical Field

The utility model relates to an organic wastewater treatment technical field particularly, relates to a denitration desulfurization waste water treatment retrieval and utilization device.

Background

In chemical, pharmaceutical, paper making and other industries, some high-concentration organic waste liquid containing low-melting-point alkali metal salt and alkaline earth metal salt is often generated in the production process. These waste liquids are characterized by high toxicity and cause serious environmental pollution if discharged directly. The conventional biochemical treatment method cannot solve the pollution problem, and the incineration method is a method for effectively treating organic waste liquid, wherein after the incinerated gas is subjected to denitration and desulfurization by a denitration and desulfurization device, clean air is discharged into the atmosphere.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, provide a denitration desulfurization waste water treatment retrieval and utilization device, solve the problem that the background art mentioned.

The technical scheme of the utility model is realized like this:

a denitration and desulfurization wastewater treatment and recycling device comprises a burning box, wherein an ash discharge port is arranged on one side of the burning box, a burner is arranged on one side, away from the ash discharge port, of the inside of the burning box, an atomizer is arranged at the center of the top in the burning box, six main pipes are arranged at the tops of the atomizers and penetrate through the burning box, seven main pipes and eight main pipes are arranged at the other ends of the six main pipes, the seven main pipes and the eight main pipes are respectively arranged on two sides of the six main pipes, an oil tank is arranged at the other end of the seven main pipes, a waste liquid tank is arranged at the other end of the eight main pipes, a booster pump is arranged on the six main pipes, an air inlet pipe is arranged on one side of the burning box and above the ash discharge port, a heat exchanger is arranged on the air inlet pipe, a denitration box is arranged on the other side of the air inlet pipe, a water return, a booster pump IV is arranged on the water return pipe, a spraying device is arranged at the center of the top in the denitration box, a main pipe III is arranged at the center of the top of the spraying device, the main pipe III penetrates through the top of the denitration box, a main pipe I and a main pipe II are arranged at one end, far away from the denitration box, of the main pipe III, the main pipe I and the main pipe II are respectively arranged at two sides of the main pipe III, a liquid ammonia storage box is arranged at the other end of the main pipe I, an adjusting box is arranged at the other end of the main pipe II, a main pipe IV is arranged at one side, far away from the air inlet pipe, of the denitration box and above the water return pipe, a desulfurization box is arranged at the other end of the main pipe IV, an oxidation air conveying pipeline is arranged at one side, close to the water return pipe, a cleaning opening is arranged at one side, far away from the oxidation, the top center department is equipped with spray set in the desulfurization case, the desulfurization case is kept away from be responsible for four one sides and be equipped with and be responsible for five, be responsible for five other ends and be equipped with the lime stone thick liquid storage box, bottom center department is equipped with agitated vessel two in the lime stone thick liquid storage box.

Preferably, the spraying device comprises a first spray rod, and a plurality of first spray heads are arranged at the bottom of the first spray rod.

Preferably, the third main pipe is provided with a first booster pump, the first main pipe is provided with an evaporator, and the first main pipe is internally provided with a filter screen.

Preferably, the first stirring equipment comprises a first motor, the first motor is located at the center of the bottom in the desulfurization box, a first stirring shaft is arranged at the top of the first motor, and a plurality of first stirring blades are arranged on the outer surface of the first stirring shaft.

Preferably, the spraying device comprises a second spraying rod, a plurality of second spray nozzles are arranged at the bottom of the second spraying rod, and a fifth main pipe penetrates through the desulfurization box and extends to the inside to be connected with the second spraying rod.

Preferably, the second stirring device comprises a second stirring motor, a second stirring shaft is arranged at the top of the second motor, a plurality of second stirring blades are arranged on the outer surface of the second stirring shaft, and a second booster pump is arranged on the fifth main pipe.

Preferably, the top of the desulfurization box is provided with an exhaust pipe, and the oxidation air conveying pipeline is provided with a fifth booster pump.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the incineration process can treat the waste liquid more effectively than the conventional biochemical process.

2. The denitration and desulfurization device improves the denitration and desulfurization efficiency, and saves labor cost and time cost.

3. The byproduct gypsum is generated after desulfurization, and the income can be increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a desulfurization tank according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a limestone slurry storage tank according to the embodiment of the present invention.

In the figure: 1. an air inlet pipe; 2. a denitration box; 3. a water return pipe; 4. a first spray rod; 5. a first spray nozzle; 6. a main pipe III; 7. a first booster pump; 8. a second main pipe; 9. an adjusting box; 10. a first main pipe; 11. an evaporator; 12. A liquid ammonia storage tank; 13. a fourth main pipe; 14. a desulfurization box; 15. an oxidizing air delivery conduit; 16. cleaning the mouth; 17. a slurry tank; 18. a first stirring shaft; 19. stirring the first blade; 20. a second spray rod; 21. a second spray head; 22. A main pipe five; 23. a second booster pump; 24. a limestone slurry storage bin; 25. a second stirring shaft; 26. stirring the second leaf; 27. a first motor; 28. a second motor; 29. an exhaust pipe; 30. a fifth booster pump; 31. an incineration box; 32. A burner; 33. a main pipe six; 34. a third booster pump; 35. a main pipe seven; 36. eight main pipes; 37. an oil tank; 38. a waste liquid tank; 39. an ash discharge port; 40. a heat exchanger; 41. an atomizer; 42 a booster pump four.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention will be further explained with reference to the drawings and the specific embodiments.

In the first embodiment, as shown in fig. 1, a denitration and desulfurization wastewater treatment and recycling device according to an embodiment of the present invention includes a burning box 31, an ash discharge port 39 is disposed on one side of the burning box 31, a burner 32 is disposed on one side of the burning box 31, which is far away from the ash discharge port 39, an atomizer 41 is disposed at the center of the top of the burning box 31, six main pipes 33 are disposed on the top of the atomizer 41, the six main pipes 33 penetrate through the burning box 31, seven main pipes 35 and eight main pipes 36 are disposed at the other ends of the six main pipes 33, the seven main pipes 35 and the eight main pipes 36 are respectively arranged on two sides of the six main pipes 33, an oil tank 37 is disposed at the other ends of the seven main pipes 35, a waste liquid tank 38 is disposed at the other end of the eight main pipes 36, three booster pumps 34 are disposed on the six main pipes 33, an air inlet pipe 1 is disposed on one side of the burning box 31 and above the ash discharge port 39, a heat exchanger 40, the other side of the air inlet pipe 1 is provided with a denitration box 2, the bottom of one side, away from the air inlet pipe 1, of the denitration box 2 is provided with a water return pipe 3, the other end of the water return pipe 3 is connected with the waste liquid tank 38, the water return pipe 3 is provided with a booster pump four 42, the center of the inner top of the denitration box 2 is provided with a spraying device, the center of the top of the spraying device is provided with a main pipe three 6, the main pipe three 6 penetrates through the top of the denitration box 2, one end, away from the denitration box 2, of the main pipe three 6 is provided with a main pipe one 10 and a main pipe two 8, the main pipe one 10 and the main pipe two 8 are respectively arranged at two sides of the main pipe three 6, the other end of the main pipe one 10 is provided with a liquid ammonia storage box 12, the other end of the main pipe two 8 is provided with an adjusting box 9, the denitration, desulfurization case 14 is close to 3 one sides of wet return are equipped with oxidation air pipeline 15, desulfurization case 14 is kept away from 15 one side of oxidation air pipeline is equipped with clean mouthful 16, the bottom is equipped with thick liquid pond 17 in desulfurization case 14, bottom center department is equipped with agitated vessel one in the thick liquid pond 17, top center department is equipped with spray set in desulfurization case 14, desulfurization case 14 is kept away from be responsible for four 13 one sides and is equipped with and be responsible for five 22, be responsible for five 22 other ends and be equipped with lime stone thick liquid storage box 24, bottom center department is equipped with agitated vessel two in the lime stone thick liquid storage box 24.

In the second embodiment, as shown in fig. 1, a first booster pump 7 is arranged on the first main pipe 6, an evaporator 11 is arranged on the first main pipe 10, a filter screen is arranged in the first main pipe 10, the spraying device comprises a first spray rod 4, and a plurality of first spray nozzles 5 are arranged at the bottom of the first spray rod 4.

In the third embodiment, as shown in fig. 2, the first stirring device comprises a first motor 27, the first motor 27 is located at the center of the bottom in the desulfurization tank 14, a first stirring shaft 18 is arranged at the top of the first motor 27, and a plurality of first stirring blades 19 are arranged on the outer surface of the first stirring shaft 18.

In a fourth embodiment, as shown in fig. 1, the spraying device includes a second spray bar 20, a plurality of second spray nozzles 21 are disposed at the bottom of the second spray bar 20, and a fifth main pipe 22 penetrates through the desulfurization tank 14 and extends to the inside to be connected with the second spray bar 20.

In a fifth embodiment, as shown in fig. 3, the second stirring device includes a second stirring motor 28, a second stirring shaft 25 is disposed at the top of the second stirring motor 28, a plurality of second stirring blades 26 are disposed on the outer surface of the second stirring shaft 25, and a second booster pump 23 is disposed on the fifth main pipe 22.

In the fifth embodiment, as shown in fig. 1, an exhaust pipe 29 is arranged at the top of the desulfurization tank 14, and a booster pump fifth 30 is arranged on the oxidizing air conveying pipeline 15.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, firstly, a booster pump three 34 is started through an external power supply, the booster pump three 34 pressurizes and conveys the waste liquid in a waste liquid tank 38 to a main pipe six 33 through a main pipe eight 36, simultaneously conveys the oil in an oil tank 37 to the main pipe six 33 through a main pipe seven 35, conveys the mixed waste liquid and the oil to an atomizer 41 in an incineration tank 31 through the main pipe six 33, sprays the mixed liquid in the incineration tank, simultaneously starts a combustor 32 to combust the waste liquid in the incineration tank 31, discharges burnt ash through an ash discharge port 39, enters a denitration tank 2 through an air inlet pipe 1, simultaneously absorbs heat of the combusted gas by a heat exchanger on the air inlet pipe 1, simultaneously enters an evaporator 11 through a main pipe one 10 to be evaporated and gasified, and adjusts and conveys thin air to the main pipe three 6 through a main pipe two 8 by an adjusting tank 9, the first booster pump on the third main pipe 6 conveys gasified ammonia in the first main pipe 10 and thin air in the second main pipe 8 to the first spray rod 4 in the denitration box 2, then the gasified ammonia and the thin air are sprayed into the denitration box 2 through a plurality of first spray nozzles 5 at the bottom of the first spray rod 4, waste gas enters the denitration box 2 through the gas inlet pipe 1 and meets mixed gas at the upper part of the denitration box 2, nitrate is eliminated under catalytic reaction to generate harmless nitrogen and water, the water flows into the waste liquid box 38 through the return pipe 3 at the lower part of the denitration box 2 to form recycling, the denitrated gas enters the desulfurization box 14 through the fourth main pipe 13, the second motor 28 is started through an external power supply, the second motor 28 drives the second stirring shaft 25 to rotate, the second stirring shaft 25 drives a plurality of second stirring blades 26 to rotate to fully stir limestone slurry, the limestone slurry in the limestone slurry box is pressurized through the second booster pump 23 and conveyed to the second spray rod 20 through, and then the waste water is sprayed downwards through a plurality of spray nozzles at the bottom of the second spray rod 20, the denitrated gas and limestone slurry sprayed downwards from the top of the tank are subjected to sufficient countercurrent contact reaction, so that sulfur in the gas is removed, calcium sulfite is generated, the cleaned air is discharged to the atmosphere through an exhaust pipe 29, the calcium sulfite is accumulated in a slurry tank 17 at the bottom in the desulfurization tank 14, a booster pump five 30 is started through an external power supply, oxidized air is conveyed into the slurry tank 17 through an oxidized air conveying pipeline 15, a motor I27 is started through the external power supply, the motor I27 drives a stirring shaft I18 to rotate, the stirring shaft I18 drives a plurality of stirring blades I19 to rotate, the calcium sulfite generates gypsum particles under the reflection of a stirrer and the oxidized air, and the gypsum particles are discharged through a cleaning port 16 at one side of the desulfurization tank 14.

Through the above detailed description, the person skilled in the art can easily realize the present invention. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims (7)

1. The utility model provides a denitration desulfurization waste water treatment retrieval and utilization device, which is characterized in that, includes burns case (31), it is equipped with ash discharge port (39) to burn case (31) one side, it keeps away from to burn case (31) inside ash discharge port (39) one side is equipped with combustor (32), it is equipped with atomizer (41) to burn case (31) interior top center department, atomizer (41) top is equipped with is responsible for six (33), be responsible for six (33) and run through burn case (31), be responsible for six (33) the other end and be equipped with and be responsible for seven (35), be responsible for eight (36), be responsible for seven (35), be responsible for eight (36) and arrange respectively be in be responsible for six (33) both sides, be responsible for seven (35) the other end and be equipped with oil tank (37), be responsible for eight (36) the other end and be equipped with waste liquid tank (38), be equipped with three (34) on being responsible for six (33) the booster pump, an air inlet pipe (1) is arranged on one side of the incineration box (31) and above the ash discharge port (39), a heat exchanger (40) is arranged on the air inlet pipe (1), a denitration box (2) is arranged on the other side of the air inlet pipe (1), the denitration box (2) is far away from the bottom of one side of the air inlet pipe (1), a water return pipe (3) is arranged at the other end of the water return pipe (3), the waste liquid box (38) is connected with the other end of the water return pipe (3), a booster pump four (42) is arranged on the water return pipe (3), a spraying device is arranged at the center of the inner top of the denitration box (2), a main pipe three (6) is arranged at the center of the top of the spraying device, the main pipe three (6) penetrates through the top of the denitration box (2), a main pipe one (10) and a main pipe two (8) are arranged at one end of the main pipe three (6) far away from the denitration box, the device is characterized in that a liquid ammonia storage box (12) is arranged at the other end of the main pipe (10), a regulating box (9) is arranged at the other end of the main pipe (8), the denitration box (2) is far away from one side of the air inlet pipe (1) and is positioned above the water return pipe (3), a main pipe four (13) is arranged at the other end of the main pipe four (13), a desulfuration box (14) is arranged at the other end of the main pipe four (13), an oxidized air conveying pipeline (15) is arranged at one side of the desulfuration box (14) close to the water return pipe (3), a cleaning opening (16) is arranged at one side of the desulfuration box (14) far away from the oxidized air conveying pipeline (15), a slurry pool (17) is arranged at the bottom in the desulfuration box (14), a first stirring device is arranged at the center of the bottom in the slurry pool (17), a spraying device is arranged at the center of the top in the desulfuration box, the other end of the main pipe five (22) is provided with a limestone slurry storage box (24), and the center of the bottom in the limestone slurry storage box (24) is provided with a stirring device II.

2. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein the spraying device comprises a first spray rod (4), and a plurality of first spray heads (5) are arranged at the bottom of the first spray rod (4).

3. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein a first booster pump (7) is arranged on the third main pipe (6), an evaporator (11) is arranged on the first main pipe (10), and a filter screen is arranged in the first main pipe (10).

4. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein the first stirring device comprises a first motor (27), the first motor (27) is located at the center of the bottom in the desulfurization tank (14), a first stirring shaft (18) is arranged at the top of the first motor (27), and a plurality of first stirring blades (19) are arranged on the outer surface of the first stirring shaft (18).

5. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein the spraying device comprises a second spraying rod (20), a plurality of second spraying nozzles (21) are arranged at the bottom of the second spraying rod (20), and the fifth main pipe (22) penetrates through the desulfurization tank (14) and extends to the inside to be connected with the second spraying rod (20).

6. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein the second stirring device comprises a second stirring motor (28), a second stirring shaft (25) is arranged at the top of the second stirring motor (28), a plurality of second stirring blades (26) are arranged on the outer surface of the second stirring shaft (25), and a second booster pump (23) is arranged on the fifth main pipe (22).

7. The denitration and desulfurization wastewater treatment and recycling device according to claim 1, wherein an exhaust pipe (29) is arranged at the top of the desulfurization tank (14), and a booster pump (30) is arranged on the oxidation air conveying pipeline (15).

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