CN214611944U

CN214611944U - Desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater

Info

Publication number: CN214611944U
Application number: CN202120799904.0U
Authority: CN
Inventors: 张曙明; 李正莲; 董敏敏; 冯伟; 吕世军
Original assignee: Zhongrui Engineering Design Institute Co ltd
Current assignee: Zhongrui Engineering Design Institute Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-05
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a desulfurization wastewater treatment system of typical pollutant in ability desorption desulfurization waste water, the utility model relates to a desulfurization wastewater treatment system technical field of typical pollutant in ability desorption desulfurization waste water, including the waste water buffer tank, the upper end fixed mounting inlet tube of waste water buffer tank one side, fixed mounting valve between inlet tube and the waste water buffer tank, waste water buffer tank communicates with each other with the inlet tube is inside. The utility model has the advantages of reasonable design, high durability and convenient use, the desulfurization wastewater treatment system that has invented a low cost is fit for the industrialization, multiple typical pollutant in this combination technology can the desorption waste water, can realize desulfurization waste water's retrieval and utilization or discharge to reach standard, reach the purpose of water conservation, energy-conservation, emission reduction, this combination technology has not only borrowed the advantage of waste water integration processing, can high-efficiently get rid of F again, NH3-N +, than preceding single technology separately use in different positions, the system is more concentrated simple, it is more simple and convenient to operate, the investment has significantly reduced, the running cost has been saved.

Description

Desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater

Technical Field

The utility model relates to a desulfurization wastewater treatment system technical field of typical pollutant among the ability desorption desulfurization waste water specifically is a desulfurization wastewater treatment system of typical pollutant among the ability desorption desulfurization waste water.

Background

The waste water generated by wet flue gas desulfurization has the problems of COD, SS, heavy metals, SO42-, SO32-, Cl-, F-, NH3-N + and over-standard pH, and has high corrosion to equipment. The characteristics of the desulfurization wastewater determine that the wastewater belongs to wastewater which is difficult to treat. The application and development of the wet flue gas desulfurization technology in China are mature and stable day by day, and the matched wastewater treatment process still uses the traditional triple-box treatment process when the flue gas desulfurization technology is introduced at present. The process has poor adaptability to water quality change, is easy to cause the phenomenon that the water quality does not reach the standard, and has the defects of serious corrosion and abrasion of equipment, easy blockage, higher system failure rate, complex system, high cost and the like. In recent years, an integrated wastewater treatment process has appeared, which has the same principle as a triple box process, but has the advantages of simpler system composition (less required equipment), small occupied area, less operation and maintenance amount and simpler and easier operation due to higher integration on process structure and mixed use of chemical agents. But both the processes have the problem of incomplete treatment of pollutants in the desulfurization wastewater.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desulfurization effluent disposal system of typical pollutant in ability desorption desulfurization waste water to it is not enough to solve prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a wastewater buffer tank, wherein a water inlet pipe is fixedly installed at the upper end of one side of the wastewater buffer tank, a valve is fixedly installed between the water inlet pipe and the wastewater buffer tank, the wastewater buffer tank is communicated with the inside of the water inlet pipe, a defluorination tank is arranged at one side of the wastewater buffer tank, a dosing pipe is fixedly installed at one side of the top surface of the defluorination tank, the defluorination tank is communicated with the inside of the dosing pipe, the defluorination tank is communicated with the wastewater buffer tank through a transverse pipe, a wastewater integrated treatment tank is arranged at one side of the defluorination tank and communicated with the defluorination tank through a branch pipe, a first control valve is fixedly installed at the middle part of the branch pipe, an ammonia nitrogen blow-off tank is arranged at one side of the wastewater integrated treatment tank, the ammonia nitrogen blow-off tank is communicated with the wastewater integrated treatment tank through a transverse connecting pipe, a drain pipe is fixedly installed below one side of the ammonia nitrogen blow-off tank, the ammonia nitrogen blow-off tank is communicated with the inside of the drain pipe, and a second control valve is fixedly installed between the ammonia nitrogen blow-off tank and the drain pipe, the below of case is handled in the waste water integration is equipped with plate and frame filter press, and one side and the waste water integration of plate and frame filter press top surface are handled the case and are passed through first standpipe intercommunication, and the fixed mounting pump body between case and the first standpipe is handled in the waste water integration, the below fixed mounting blow off pipe of plate and frame filter press one side, and the blow off pipe communicates with each other with the plate and frame filter press is inside, and the opposite side and the spinal branch pipe of plate and frame filter press top surface pass through the second standpipe intercommunication, fixed mounting water pump between second standpipe and the plate and frame filter press, and the second standpipe communicates with each other with the branch pipe is inside.

The desulfurization waste water treatment system capable of removing typical pollutants in desulfurization waste water is characterized in that the flow meter is fixedly arranged in the middle of the water inlet pipe.

The desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater is characterized in that a material receiving vehicle is arranged on one side of the plate-and-frame filter press.

The desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater comprises a defluorination box, a motor, a stirring rod, a bearing and a stirring rod, wherein the through hole is formed in the top surface of the defluorination box, the motor is fixedly installed on the top surface of the defluorination box, the stirring rod is fixedly installed on an output shaft of the motor, the upper end of the stirring rod is fixedly connected with the through hole through the bearing, the lower end of the stirring rod is located below the inside of the defluorination box, and a plurality of stirring paddles are fixedly installed on two sides of the stirring rod and are uniformly distributed.

According to the desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater, the guide plates are fixedly arranged on two sides of the interior of the integrated wastewater treatment tank and correspond to the first vertical pipe.

The utility model has the advantages that: the utility model has the advantages of reasonable design, high durability and convenient use, the desulfurization wastewater treatment system that has invented a low cost is fit for the industrialization, multiple typical pollutant in this combination technology can the desorption waste water, can realize desulfurization waste water's retrieval and utilization or discharge to reach standard, reach the purpose of water conservation, energy-conservation, emission reduction, this combination technology has not only borrowed the advantage of waste water integration processing, can high-efficiently get rid of F again, NH3-N +, than preceding single technology separately use in different positions, the system is more concentrated simple, it is more simple and convenient to operate, the investment has significantly reduced, the running cost has been saved.

Drawings

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

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

Reference numerals: 1-a wastewater buffer tank, 2-a water inlet pipe, 3-a valve, 4-a defluorination tank, 5-a dosing pipe, 6-a transverse pipe, 7-a wastewater integrated treatment tank, 8-a branch pipe, 9-a first control valve, 10-an ammonia nitrogen blow-off tank, 11-a connecting pipe, 12-a second control valve, 13-a drain pipe, 14-a plate and frame filter press, 15-a first vertical pipe, 16-a pump body, 17-a blow-off pipe, 18-a second vertical pipe, 19-a water pump, 20-a through hole, 21-a motor, 22-a stirring rod and 23-a stirring paddle.

Detailed Description

As shown in FIG. 1, the desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater specifically disclosed in the present embodiment comprises a wastewater buffer tank 1, a water inlet pipe 2 is fixedly installed at the upper end of one side of the wastewater buffer tank 1, a valve 3 is fixedly installed between the water inlet pipe 2 and the wastewater buffer tank 1, the wastewater buffer tank 1 is communicated with the inside of the water inlet pipe 2, a defluorination tank 4 is arranged at one side of the wastewater buffer tank 1, a chemical feeding pipe 5 is fixedly installed at one side of the top surface of the defluorination tank 4, the defluorination tank 4 is communicated with the inside of the chemical feeding pipe 5, the defluorination tank 4 is communicated with the wastewater buffer tank 1 through a horizontal pipe 6, a wastewater integrated treatment tank 7 is arranged at one side of the defluorination tank 4, the wastewater integrated treatment tank 7 is communicated with the defluorination tank 4 through a branch pipe 8, a first control valve 9 is fixedly installed at the middle part of the branch pipe 8, an ammonia nitrogen blowing and stripping tank 10 is arranged at one side of the wastewater integrated treatment tank 7, the ammonia nitrogen blowing and wastewater integrated treatment tank 7 are communicated through a horizontal connecting pipe 11, the below fixed mounting drain pipe 13 of ammonia nitrogen blow-off case 10 one side, ammonia nitrogen blow-off case 10 communicates with each other with drain pipe 13 is inside, fixed mounting second control valve 12 between ammonia nitrogen blow-off case 10 and the drain pipe 13, the below of waste water integration treatment case 7 is equipped with plate and frame filter press 14, one side and the waste water integration treatment case 7 of plate and frame filter press 14 top surface communicate through first standpipe 15, the fixed mounting pump body 16 between waste water integration treatment case 7 and the first standpipe 15, the below fixed mounting blow off pipe 17 of plate and frame filter press 14 one side, blow off pipe 17 communicates with each other with plate and frame filter press 14 is inside, the opposite side and the branch pipe 8 of plate and frame filter press 14 top surface communicate through second standpipe 18, fixed mounting water pump 19 between second standpipe 18 and plate and frame filter press 14, second standpipe 18 communicates with each other with branch pipe 8 is inside. The utility model has the advantages of reasonable design, high durability and convenient use, the desulfurization wastewater treatment system that has invented a low cost is fit for the industrialization, multiple typical pollutant in this combination technology can the desorption waste water, can realize desulfurization waste water's retrieval and utilization or discharge to reach standard, reach the purpose of water conservation, energy-conservation, emission reduction, this combination technology has not only borrowed the advantage of waste water integration processing, can high-efficiently get rid of F again, NH3-N +, than preceding single technology separately use in different positions, the system is more concentrated simple, it is more simple and convenient to operate, the investment has significantly reduced, the running cost has been saved. When the device is used, wastewater enters the wastewater buffer tank 1 through the water inlet pipe 2, the wastewater in the wastewater buffer tank 1 enters the defluorination tank 4 through the transverse pipe 6, a medicament is added into the defluorination tank 4 through the medicament adding pipe 5, the motor 21 works, the output shaft of the motor 21 drives the stirring paddle 23 to work through the stirring rod 22, so that the wastewater and the medicament can be quickly and fully mixed, the wastewater can be conveniently treated, fluoride ions are removed, the wastewater enters the wastewater integrated treatment tank 7, the wastewater treatment medicament is added before the wastewater enters the wastewater integrated treatment tank 7, part of SS, heavy metals, sulfate, COD (chemical oxygen demand) and the like are removed through the wastewater integrated treatment tank 7, sludge is generated at the lower part of the wastewater integrated treatment tank 7, the pump body 16 works, and the sludge in the wastewater integrated treatment tank 7 is conveyed into the plate and frame filter press 14 through the first vertical pipe 15, the pressed mud cake is transported outside, the water pump 19 works, the clear water generated in the plate-and-frame filter press 14 can be merged into the treated wastewater which is integrated into a whole and overflows from the upper part, the treated wastewater enters the ammonia nitrogen blow-off box 10 and is shared with the desulfurization configuration, the wastewater firstly enters the blow-off tower, the wastewater is separated from the ammonia nitrogen, the ammonia nitrogen enters the gas phase and is recovered by desalted water, and the wastewater after the ammonia nitrogen is removed is discharged to a designated place or recycled, the utility model has the advantages of reasonable structural design and convenient use, invents a desulfurization wastewater treatment system with low cost and suitable for industrialization, the combined process can remove various typical pollutants in the wastewater, can realize the recycling or standard discharge of the desulfurization wastewater, achieves the purposes of water saving, energy saving and emission reduction, not only has the advantages of the integrated treatment of the wastewater, but also can effectively remove F-, NH3-N +, and can be separately used at different positions compared with the prior single process, the system is more centralized and simple, the operation is simpler and more convenient, the investment is greatly reduced, and the operation cost is saved.

Specifically, the flowmeter is fixedly installed in the middle of the water inlet pipe 2 in the embodiment. When using this device, can be convenient for measure the flow that gets into waste water buffer tank 1 interior waste water through the flowmeter, can make this device use more convenient.

Specifically, a material receiving vehicle is disposed on one side of the plate-and-frame filter press 14. When the device is used, the mud cakes can be conveniently collected and transported through the material receiving vehicle, and the device can be used more conveniently.

Further, the top surface of the defluorination box 4 of the embodiment is provided with a through hole 20, the top surface of the defluorination box 4 is fixedly provided with a motor 21, an output shaft of the motor 21 is fixedly provided with a stirring rod 22, the upper end of the stirring rod 22 is fixedly connected with the through hole 20 through a bearing, the lower end of the stirring rod 22 is positioned below the inside of the defluorination box 4, and a plurality of stirring paddles 23 which are uniformly distributed are fixedly arranged on both sides of the stirring rod 22. When using this device, motor 21 work, motor 21's output shaft passes through puddler 22 and drives stirring rake 23 and carry out work to can make waste water and the quick intensive mixing of liquid medicine, and then can be convenient for handle waste water.

Furthermore, the guide plates are fixedly mounted on two sides of the interior of the integrated wastewater treatment tank 7, and the guide plates correspond to the first vertical pipes 15. When using this device, can be convenient for mud through the guide plate and enter into first standpipe 15 in, can make this device convenient to use more.

The embodiments of the present invention have been described with reference to the accompanying drawings, but these descriptions should not be construed as limiting the scope of the present invention, and the technical contents not described in detail in the present invention are known in the art.

Claims

1. A desulfurization wastewater treatment system capable of removing typical pollutants in desulfurization wastewater is characterized in that: comprises a wastewater buffer tank (1), an inlet pipe (2) is fixedly installed at the upper end of one side of the wastewater buffer tank (1), a valve (3) is fixedly installed between the inlet pipe (2) and the wastewater buffer tank (1), the wastewater buffer tank (1) is communicated with the inside of the inlet pipe (2), a defluorination tank (4) is arranged at one side of the wastewater buffer tank (1), a dosing pipe (5) is fixedly installed at one side of the top surface of the defluorination tank (4), the defluorination tank (4) is communicated with the inside of the dosing pipe (5), the defluorination tank (4) is communicated with the wastewater buffer tank (1) through a transverse pipe (6), a wastewater integrated treatment tank (7) is arranged at one side of the defluorination tank (4), the wastewater integrated treatment tank (7) is communicated with the defluorination tank (4) through a branch pipe (8), a first control valve (9) is fixedly installed at the middle part of the branch pipe (8), an ammonia nitrogen blowing and defluorination tank (10) is arranged at one side of the wastewater integrated treatment tank (7), the ammonia nitrogen blow-off box (10) is communicated with the wastewater integrated treatment box (7) through a transverse connecting pipe (11), a drain pipe (13) is fixedly arranged below one side of the ammonia nitrogen blow-off box (10), the ammonia nitrogen blow-off box (10) is communicated with the inside of the drain pipe (13), a second control valve (12) is fixedly arranged between the ammonia nitrogen blow-off box (10) and the drain pipe (13), a plate-and-frame filter press (14) is arranged below the wastewater integrated treatment box (7), one side of the top surface of the plate-and-frame filter press (14) is communicated with the wastewater integrated treatment box (7) through a first vertical pipe (15), a pump body (16) is fixedly arranged between the wastewater integrated treatment box (7) and the first vertical pipe (15), a drain pipe (17) is fixedly arranged below one side of the plate-and-frame filter press (14), the drain pipe (17) is communicated with the inside of the plate-and-frame filter press (14), the other side of the top surface of the plate-and the filter press (14) are communicated through a second vertical pipe (18), a water pump (19) is fixedly arranged between the second vertical pipe (18) and the plate-and-frame filter press (14), and the second vertical pipe (18) is communicated with the interior of the branch pipe (8).

2. The desulfurization waste water treatment system capable of removing typical contaminants from desulfurization waste water according to claim 1, wherein: the middle part of the water inlet pipe (2) is fixedly provided with a flowmeter.

3. The desulfurization waste water treatment system capable of removing typical contaminants from desulfurization waste water according to claim 1, wherein: and a material receiving vehicle is arranged on one side of the plate-and-frame filter press (14).

4. The desulfurization waste water treatment system capable of removing typical contaminants from desulfurization waste water according to claim 1, wherein: the top surface of defluorination case (4) set up through-hole (20), the top surface fixed mounting motor (21) of defluorination case (4), output shaft fixed mounting puddler (22) of motor (21), the upper end and the through-hole (20) of puddler (22) pass through bearing fixed connection, the lower extreme of puddler (22) is located the inside below of defluorination case (4), the equal fixed mounting several evenly distributed's in both sides stirring rake (23) of puddler (22).

5. The desulfurization waste water treatment system capable of removing typical contaminants from desulfurization waste water according to claim 1, wherein: the guide plates are fixedly arranged on two sides of the interior of the integrated wastewater treatment tank (7) and correspond to the first vertical pipes (15).