CN215403544U - Desulfurization wastewater treatment system - Google Patents
Desulfurization wastewater treatment system Download PDFInfo
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- CN215403544U CN215403544U CN202121939562.4U CN202121939562U CN215403544U CN 215403544 U CN215403544 U CN 215403544U CN 202121939562 U CN202121939562 U CN 202121939562U CN 215403544 U CN215403544 U CN 215403544U
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Abstract
The utility model discloses a desulfurization wastewater treatment system, which comprises a water inlet and a neutralization tank, wherein the bottom end of the neutralization tank is provided with a stirring paddle, the water inlet is connected with a sewage pipeline, sewage is poured into the neutralization tank, then lime milk is placed in the neutralization tank, then the lime milk is quickly neutralized and stirred by the stirring paddle at a shop end, then a water pumping pipe is led into the interior of a settling tank, organic sulfur raw materials are added to precipitate heavy metals, then the water pumping pipe is led into the interior of a flocculation tank, then a flocculating agent is added to precipitate internal hydroxides and sulfides to the bottom of the flocculation tank, then the lime milk is discharged into a clean water tank through a drain pipe, then a sludge pump is started to lead the precipitated sludge into a dehydrator through a sludge pipe for dehydration, and the sewage in the precipitated sludge is led into the interior of the neutralization tank through a return pipe, the secondary circulation treatment of sewage in the sludge is compared with the dehydration of sludge through a dehydrator in the traditional desulfurization wastewater treatment equipment, and the influence of sewage in the sludge on the environment is reduced.
Description
Technical Field
The utility model belongs to the technical field related to wastewater treatment equipment, and particularly relates to a desulfurization wastewater treatment system.
Background
The desulfurization waste water is mainly the discharge water of an absorption tower in the wet desulfurization (limestone/gypsum method) process of boiler flue gas, and in order to maintain the balance of materials of a slurry circulating system of a desulfurization device, prevent the concentration of soluble parts, namely chlorine, in the flue gas from exceeding a specified value and ensure the quality of gypsum, a certain amount of waste water is discharged from the system, wherein the waste water mainly comes from a gypsum dehydration and cleaning system. The treatment comprises the following 4 steps, a wastewater neutralization reaction tank consists of 3 separation tanks, each separation tank is filled with the wastewater and then automatically flows into the next separation tank, a certain amount of lime slurry is added when desulfurization wastewater enters the 1 st separation tank, a heavy metal settling agent is used, the addition of heavy metal Ca (OH)2 not only raises the pH value of the wastewater, but also a plurality of fine and dispersed particles and colloidal substances are contained in the wastewater after the flocculation reaction < P > is subjected to the chemical precipitation reaction in the previous 2 steps, so that a certain proportion of flocculating agent is added into the 3 rd separation tank to coagulate the flocculating agent into large particles to be deposited, a cationic polymer electrolyte is added into an outlet of the wastewater reaction tank as a coagulant aid, the surface tension of the particles is reduced, the growth process of the particles is strengthened, the precipitation of hydroxide and sulfide is further promoted, the concentrated/clarified flocculated wastewater overflows from the reaction tank into a clarifying/concentrating tank provided with a stirrer, and a desulfurization wastewater treatment system is required.
The prior art has the following problems:
the existing desulfurization wastewater treatment system is added with a flocculating agent in the use obtaining process, so that toxic substances in wastewater are effectively precipitated, a large amount of toxic substances still exist in large-particle sludge at the rear end of the flocculation agent precipitation, secondary pollution is easily caused by direct discharge, secondary treatment is generally required to be carried out, and the efficiency of the wastewater treatment system is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a desulfurization wastewater treatment system, which aims to solve the problems that a flocculating agent is added in the using and obtaining process of the conventional desulfurization wastewater treatment system in the background art, so that toxic substances in wastewater are effectively precipitated, a large amount of toxic substances still exist in large-particle sludge at the rear end of the precipitation of the flocculating agent, the direct discharge of the large-particle sludge easily causes secondary pollution, secondary treatment is usually required, and the efficiency of the wastewater treatment system is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a desulfurization effluent disposal system, includes water inlet and neutralization box, one side of water inlet is provided with neutralization box, the bottom of neutralization box is provided with stirring paddle leaf, stirring paddle leaf's bottom is provided with the motor, one side of neutralization box is provided with the drinking-water pipe, the top of drinking-water pipe is provided with the suction pump, the top of drinking-water pipe is provided with the setting tank, one side of setting tank is provided with flocculation box, flocculation box's inside is provided with the drain pipe, the bottom of drain pipe is provided with the mud water pipe, the top of mud water pipe is provided with the sludge pump, the top of drain pipe is provided with the clean water basin, the top of mud water pipe is provided with the hydroextractor, the bottom of hydroextractor is provided with the driving machine, one side of driving machine is provided with the back flow, the front end surface in clean water basin is provided with the access door.
Preferably, the motor is installed at the bottom end of the neutralizing tank, and a sealing plate is isolated between the motor and the neutralizing tank.
Preferably, the number of the water pumping pipes is two, one of the water pumping pipes is arranged between the neutralization tank and the sedimentation tank, and the other water pumping pipe is arranged between the sedimentation tank and the flocculation tank.
Preferably, the filter screen is installed to the bottom of the inside drinking-water pipe of setting tank, reduces the inside impurity entering flocculation case's of setting tank inside through the filter screen.
Preferably, the access door is installed at the bottom end of the clean water tank through a rotating shaft, and a lifting handrail is arranged on the surface of the front end of the access door.
Preferably, the return pipe is installed inside the equipment base, and a pressure pump is installed on the surface of the return pipe and used for increasing the fluid speed inside the return pipe.
Preferably, a transmission belt is arranged between the driving machine and the dehydrator, and the transmission belt drives the centrifugal tank inside the dehydrator to rotate.
Compared with the prior art, the utility model provides a desulfurization wastewater treatment system, which has the following beneficial effects:
the desulfurization wastewater treatment system is provided with a neutralization tank at one side of a water inlet, a stirring paddle blade is arranged inside the neutralization tank, a precipitation tank is arranged at one side of the neutralization tank, a flocculation tank is arranged at one side of the precipitation tank, a sludge pipe is arranged at the bottom end of the flocculation tank, a sludge pump is arranged on the surface of the sludge pipe, a dehydrator is arranged at the top end of the sludge pipe, a driving machine is arranged at the bottom end of the dehydrator, when the wastewater treatment is needed, the water inlet is connected with a wastewater pipeline, then the wastewater is guided into the neutralization tank, then lime cream is put into the neutralization tank, then the neutralization tank is quickly neutralized and stirred by the stirring paddle blade at the store end, then a water pumping pipe is guided into the precipitation tank, organic sulfur raw materials are added to precipitate heavy metals, then a water pumping pipe is guided into the flocculation tank, then flocculation agents are added to precipitate the hydroxides and sulfides inside to the bottom of the flocculation tank, then discharge into the inside in clean water basin through the drain pipe, then start the inside dehydration that the sludge pump made the mud of sediment pass through the leading-in hydroextractor of sludge pipe, the inside of the leading-in neutralization box of sewage in the middle of the mud of sediment passes through the back flow, sewage secondary cycle handles in the mud, then carries out professional processing after the mud discharges, compares in traditional desulfurization waste water treatment equipment, through the dehydration of hydroextractor to mud, effectively reduces mud weight, reduces the influence of sewage to the environment in the mud simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
FIG. 1 is a schematic structural diagram of a desulfurization wastewater treatment system according to the present invention;
FIG. 2 is a schematic view of a structure of a maintenance state of a desulfurization wastewater treatment system according to the present invention;
FIG. 3 is a schematic view of the external structure of a desulfurization wastewater treatment system according to the present invention;
in the figure: 1. a water inlet; 2. a neutralization tank; 3. a stirring paddle; 4. a motor; 5. a water pumping pipe; 6. a water pump; 7. a settling tank; 8. a flocculation tank; 9. a drain pipe; 10. a sludge pump; 11. A muddy water pipe; 12. a clean water tank; 13. a dehydrator; 14. a driver; 15. a return pipe; 16. An access door.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a desulfurization wastewater treatment system, comprising:
a desulfurization wastewater treatment system, which comprises a water inlet 1 and a neutralization tank 2, wherein the neutralization tank 2 is arranged at one side of the water inlet 1, the bottom of neutralizing tank 2 is provided with stirring paddle 3, the bottom of stirring paddle 3 is provided with motor 4, one side of neutralizing tank 2 is provided with drinking-water pipe 5, the top of drinking-water pipe 5 is provided with suction pump 6, the top of drinking-water pipe 5 is provided with settling tank 7, one side of settling tank 7 is provided with flocculation tank 8, the inside of flocculation tank 8 is provided with drain pipe 9, the bottom of drain pipe 9 is provided with muddy water pipe 11, the top of muddy water pipe 11 is provided with sludge pump 10, the top of drain pipe 9 is provided with clean water basin 12, the top of muddy water pipe 11 is provided with hydroextractor 13, the bottom of hydroextractor 13 is provided with driving machine 14, one side of driving machine 14 is provided with back flow 15, the front end surface of clean water basin 12 is provided with access door 16.
A desulfurization wastewater treatment system, a motor 4 is arranged at the bottom end of a neutralization box 2, a sealing plate is isolated between the motor 4 and the neutralization box 2, two water pumping pipes 5 are arranged, one of which is arranged between the neutralization tank 2 and the sedimentation tank 7, the other is arranged between the sedimentation tank 7 and the flocculation tank 8, the bottom end of the internal water pumping pipe 5 of the sedimentation tank 7 is provided with a filter screen, the impurities in the settling tank 7 are reduced by the filter screen to enter the flocculation tank 8, the access door 16 is arranged at the bottom end of the clean water tank 12 by a rotating shaft, and the front end surface of the access door 16 is provided with a lifting handrail, the return pipe 15 is arranged in the equipment base, and the surface of the return pipe 15 is provided with a pressure pump for increasing the speed of the fluid in the return pipe 15, a transmission belt is arranged between the driving machine 14 and the dewatering machine 13, and the transmission belt drives the centrifugal tank in the dewatering machine 13 to rotate.
The working principle and the using process of the utility model are as follows: after the device is installed, a water inlet 1 is connected with a sewage pipeline, then an equipment power supply is connected, lime milk is added into a neutralization tank 2, then the sewage pipeline is opened, sewage is led in through the water inlet 1, the sewage enters into the neutralization tank 2, a motor 4 at the bottom end of the neutralization tank 2 is started, the motor 4 is started to drive a stirring paddle 3 to run at a high speed, the sewage and the lime milk in the neutralization tank 2 are fully neutralized, then a water suction pump 6 at the top end of a water suction pipe 5 in the neutralization tank 2 is started, the sewage is led into a sedimentation tank 7 through the neutralization tank 2, organic sulfur raw materials are added into the sedimentation tank 7 to precipitate heavy metals, then the water suction pipe 5 in the sedimentation tank 7 is used for leading into the flocculation tank 8, a filter screen is arranged at the top end of the water suction pipe 5 in the sedimentation tank 7 to reduce the precipitate entering into the flocculation tank 8, then a flocculation agent is added to precipitate the internal hydroxides and sulfides to the bottom of the flocculation tank 8, then discharge into the inside of clean water basin 12 through drain pipe 9, then start sludge pump 10 and make the inside dehydration of the leading-in hydroextractor 13 of mud pipe 11 of the mud of sediment, the sewage separation in the middle of the dehydration mud of hydroextractor 13, sewage in the middle of the mud passes through the inside of the leading-in neutralizing tank 2 of back flow 15, make sewage secondary cycle handle in the mud, then carry out professional processing after the mud discharges, can open 16 regular clearance hydroextractor 13 of access door and maintain driver 14 simultaneously, compare in traditional desulfurization waste water treatment equipment, through the dehydration of hydroextractor 13 to mud, effectively reduce mud weight, reduce the influence of sewage to the environment in the mud simultaneously, promote sewage treatment system's filter effect.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A desulfurization wastewater treatment system comprises a water inlet (1) and a neutralization tank (2), and is characterized in that: one side of the water inlet (1) is provided with a neutralization box (2), the bottom of the neutralization box (2) is provided with a stirring paddle (3), the bottom of the stirring paddle (3) is provided with a motor (4), one side of the neutralization box (2) is provided with a water pumping pipe (5), the top end of the water pumping pipe (5) is provided with a water suction pump (6), the top end of the water pumping pipe (5) is provided with a sedimentation box (7), one side of the sedimentation box (7) is provided with a flocculation box (8), the inside of the flocculation box (8) is provided with a water drainage pipe (9), the bottom end of the water drainage pipe (9) is provided with a muddy water pipe (11), the top end of the muddy water pipe (11) is provided with a sludge pump (10), the top end of the water pipe (9) is provided with a clean water tank (12), the top end of the muddy water pipe (11) is provided with a dehydrator (13), the bottom end of the dehydrator (13) is provided with a driving machine (14), a return pipe (15) is arranged on one side of the driving machine (14), and an access door (16) is arranged on the front end surface of the clean water tank (12).
2. The desulfurization wastewater treatment system according to claim 1, wherein: the motor (4) is installed at the bottom end of the neutralization box (2), and a sealing plate is isolated between the motor (4) and the neutralization box (2).
3. The desulfurization wastewater treatment system according to claim 1, wherein: the two water pumping pipes (5) are arranged, one water pumping pipe is arranged between the neutralization tank (2) and the sedimentation tank (7), and the other water pumping pipe is arranged between the sedimentation tank (7) and the flocculation tank (8).
4. The desulfurization wastewater treatment system according to claim 1, wherein: the filter screen is installed to the bottom of inside drinking-water pipe (5) of settling tank (7), reduces the inside impurity entering flocculation case (8) of settling tank (7) through the filter screen.
5. The desulfurization wastewater treatment system according to claim 1, wherein: the access door (16) is arranged at the bottom end of the clean water tank (12) through a rotating shaft, and a lifting handrail is arranged on the front end surface of the access door (16).
6. The desulfurization wastewater treatment system according to claim 1, wherein: the backflow pipe (15) is arranged inside the equipment base, and a pressure pump is arranged on the surface of the backflow pipe (15) and used for increasing the fluid speed inside the backflow pipe (15).
7. The desulfurization wastewater treatment system according to claim 1, wherein: a transmission belt is arranged between the driving machine (14) and the dehydrator (13), and the transmission belt drives the centrifugal tank inside the dehydrator (13) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939562.4U CN215403544U (en) | 2021-08-18 | 2021-08-18 | Desulfurization wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939562.4U CN215403544U (en) | 2021-08-18 | 2021-08-18 | Desulfurization wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215403544U true CN215403544U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121939562.4U Active CN215403544U (en) | 2021-08-18 | 2021-08-18 | Desulfurization wastewater treatment system |
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|---|---|
| CN (1) | CN215403544U (en) |
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- 2021-08-18 CN CN202121939562.4U patent/CN215403544U/en active Active
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