CN114538670A - Desulfurization wastewater treatment system of thermal power plant - Google Patents

Desulfurization wastewater treatment system of thermal power plant Download PDF

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Publication number
CN114538670A
CN114538670A CN202210305356.0A CN202210305356A CN114538670A CN 114538670 A CN114538670 A CN 114538670A CN 202210305356 A CN202210305356 A CN 202210305356A CN 114538670 A CN114538670 A CN 114538670A
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China
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tank
desulfurization wastewater
wastewater treatment
thermal power
treatment system
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CN202210305356.0A
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CN114538670B (en
Inventor
曾四鸣
刘克成
张立军
陈崇明
王颖楠
宫云茜
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Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
State Grid Corp of China SGCC
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Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
State Grid Corp of China SGCC
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Publication of CN114538670A publication Critical patent/CN114538670A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

本发明一种火电厂脱硫废水处理系统,包括处理罐,处理罐包括罐盖和罐体,罐体侧壁上设置有进水口和出水口,罐盖上端设置有进料口、电机和提升装置,罐盖上端中心位置垂直贯穿有连接杆,电机输出轴与连接杆上端传动连接,连接杆底端以连接杆长度方向为中心轴线均匀分布有搅拌杆,搅拌杆的数量至少为两个,搅拌杆上端与连接杆底端固定连接,搅拌杆长度方向与罐体侧壁平行,提升装置包括卷扬机和过滤板,过滤板上设置有与搅拌杆数量相同且相适配的通孔,搅拌杆对应的穿设于通孔内,卷扬机设置在罐盖上端,卷扬机与过滤板上端固定连接。本申请通过将过滤步骤和凝结步骤进行有效结合,有效解决了现有脱硫废水处理设备多,占地面积大的问题。

Figure 202210305356

The present invention is a desulfurization wastewater treatment system for thermal power plants, comprising a treatment tank, the treatment tank includes a tank cover and a tank body, a water inlet and a water outlet are arranged on the side wall of the tank body, and a feed inlet, a motor and a lifting device are arranged on the upper end of the tank cover There is a connecting rod vertically running through the center of the upper end of the tank cover. The motor output shaft is connected with the upper end of the connecting rod. The bottom end of the connecting rod is evenly distributed with stirring rods with the length direction of the connecting rod as the central axis. The number of stirring rods is at least two. The upper end of the rod is fixedly connected with the bottom end of the connecting rod. The length direction of the stirring rod is parallel to the side wall of the tank. The lifting device includes a hoist and a filter plate. The hoist is arranged in the through hole, the hoist is arranged on the upper end of the tank cover, and the hoist is fixedly connected with the upper end of the filter plate. By effectively combining the filtering step and the coagulation step, the present application effectively solves the problems of many existing desulfurization wastewater treatment equipment and large floor space.

Figure 202210305356

Description

Desulfurization wastewater treatment system of thermal power plant
Technical Field
The invention belongs to the field of desulfurization wastewater treatment equipment, and particularly relates to a desulfurization wastewater treatment system of a thermal power plant.
Background
The water treatment mode comprises physical treatment, chemical treatment and biological treatment.
Need add the suspended solid of flocculating agent in desulfurization waste water treatment and condense to waste water, make it condense the piece, make its natural sedimentation or filtration clearance, but natural sedimentation process is slow after adding the flocculating agent, and the filtration clearance needs another set of special equipment to clear up again, causes area big, and corollary equipment is many, and production or purchase cost increase simultaneously.
The patent with the application number of CN201821925469.6 provides a desulfurization wastewater system, which comprises a gypsum cyclone, a return water tank and a pre-settling tank, wherein the pre-settling tank is communicated with the gypsum cyclone through a pipeline; the pre-settling tank is communicated with the return water tank through a plurality of sludge discharge pumps; the return water tank is communicated with the gypsum cyclone through a pipeline. However, this application also has the problem of large floor space due to the large number of processing devices.
The patent of application number "CN 202021647121.2" provides a desulfurization effluent treatment plant, propose including neutralization reaction tank in this patent, the sedimentation tank, clarification tank and detection pond, neutralization reaction tank, the sedimentation tank, be connected with the raceway between clarification tank and the detection pond, neutralization reaction tank, the inner chamber of sedimentation tank and clarification tank all is equipped with isolating device, neutralization reaction tank, the inner chamber of sedimentation tank is close to isolating device's top and is equipped with agitator motor, neutralization reaction tank, the top of sedimentation tank and clarification tank is equipped with feeding pipe, neutralization reaction tank's top is equipped with the waste water conveyer pipe. But this patent also has the problem that the treatment facility is many, and the area is big.
Disclosure of Invention
The invention aims to solve the technical problem of providing a thermal power plant desulfurization wastewater treatment system to solve the problems of more existing desulfurization wastewater treatment equipment and large occupied area.
In order to solve the problems, the invention adopts the following technical scheme:
a thermal power plant desulfurization wastewater treatment system comprises a treatment tank, the treatment tank comprises a tank cover and a tank body, the tank cover is detachably connected to the upper end of the tank body, the tank body is cylindrical, a water inlet and a water outlet are formed in the side wall of the tank body, a feed inlet is formed in the upper end of the tank cover, motor and hoisting device, cover upper end central point puts and runs through perpendicularly has the connecting rod, the motor output shaft is connected with the transmission of connecting rod upper end, the connecting rod bottom uses connecting rod length direction to have the puddler as the central axis evenly distributed, the quantity of puddler is two at least, puddler upper end and connecting rod bottom fixed connection, puddler length direction is parallel with jar side wall, hoisting device includes hoist engine and filter, be provided with the through-hole the same with the puddler quantity and looks adaptation on the filter, the corresponding through-hole of wearing to locate of puddler, the hoist engine sets up in the cover upper end, hoist engine and filter upper end fixed connection.
Furthermore, the stirring rod is hollow, the peripheral surface of the stirring rod is provided with material discharging holes in a dense mode, the material discharging holes are communicated with the inside of the stirring rod, and the upper end of the stirring rod is provided with an opening and communicated with the feeding hole.
Further, be provided with flexible packing ring on the through-hole inner wall of filter, flexible packing ring inner wall and puddler outer wall laminating, filter and jar internal wall looks adaptation are provided with the clearance brush on the filter lateral wall, and the one end and the jar internal wall butt of filter are kept away from to the clearance brush.
Furthermore, a flange is arranged at the bottom end of the stirring rod, and the upper end of the flange is parallel to the lower part of the water outlet.
Further, the water inlet sets up on jar lateral wall upper portion, and the water inlet intercommunication has the swirler, is provided with first valve between swirler and the water inlet.
Further, the delivery port sets up in jar side wall lower part, and the delivery port has the storage water tank through the control tube intercommunication, is provided with second valve and choke valve on the control tube, and choke valve one end and control tube intercommunication.
Furthermore, the water storage tank is round platform-shaped, the end with the small diameter of the water storage tank is the bottom end, and the pipe orifice of the adjusting pipe is tangent to the inner wall of the water storage tank.
Further, jar side wall bottom is provided with the clearance mouth, and delivery port bottom is higher than clearance mouthful upper end and is less than the water inlet, and the clearance mouth rotates and is connected with the sealing door.
Furthermore, the closed door encircles with the one end of jar body butt and is equipped with anticorrosive sealing washer, anticorrosive sealing washer and clearance mouth looks adaptation.
Further, the cover upper end is provided with the stoving mouth, is provided with the vent on the jar side wall.
The invention has the following remarkable beneficial effects:
1. the invention relates to a thermal power plant desulfurization wastewater treatment system, which comprises a treatment tank, wherein the treatment tank comprises a tank cover and a tank body which are detachably connected, a feed inlet for feeding is formed in the upper end of the tank cover, a motor for providing stirring power and a lifting device are arranged on the tank cover, a connecting rod and uniformly distributed stirring rods are arranged on the tank cover, a flocculating agent is mixed and condensed in desulfurization wastewater by driving the connecting rod and the stirring rods to rotate through the motor, a winch in the lifting device drives a filter plate to move up and down on the stirring rods, the coagulated block is extruded to the inner bottom end of the tank body through the downward movement of the filter plate after the flocculating agent is reacted, and then water positioned at the upper end of the filter plate is discharged through a water outlet; this application is through will filtering step and the step of condensing effectively combines, need not the nature after desulfurization waste water condenses to deposit and increase the filtration that filtration equipment can accomplish the coagulation block, and the service equipment is few, and area is little, effectively solves current desulfurization waste water treatment equipment many, the big problem of area.
2. The setting of the inside cavity of puddler and feed inlet intercommunication can make things convenient for the flocculating agent to discharge to the different positions in the desulfurization waste water through the hole of letting out on the puddler for reaction rate reduces reaction time.
3. The flexible packing ring that the through-hole inner wall set up in the filter and the clearance brush that sets up on the filter lateral wall can clear up puddler and jar internal wall respectively, if blow open through the mode of ventilating after the blow-off hole on the puddler blocks up, the internal wall scale deposit of jar can be avoided in the clearance of jar excessive.
4. The setting of puddler bottom flange can intercept the filter, prevents that the filter from breaking away from the puddler, and the setting of flange upper end and delivery port lower part parallel can make the coagulation piece that the filter was arranged and is crowded be located the delivery port below, prevents to have the coagulation piece to flow along with rivers one.
5. In order to alleviate the treatment pressure of treatment tank, the water inlet intercommunication of treatment tank has the swirler, separates earlier stage through the swirler solid particle thing among to the desulfurization waste water, reduces the existence of great impurity among the desulfurization waste water, and the convenience is handled the suspended solid in the desulfurization waste water, reduces the stock of jar internal impurity simultaneously.
6. The storage water tank of delivery port intercommunication is used for storing the desulfurization waste water after handling, the regulating tube that sets up between delivery port and storage water tank is used for adjusting the pH value of desulfurization waste water, slowly drop into the regulating tube with required material through the choke valve with the regulating tube intercommunication, can directly take away the material of adjusting the pH value when desulfurization waste water passes through the regulating tube and get into in the storage water tank, the setting that the regulating tube mouth of pipe is tangent with the storage water tank inner wall flows along the storage water tank inner wall when desulfurization waste water flows out, and the setting of storage water tank round platform form can make desulfurization waste water flow along the inner wall circumference, mix at the in-process that desulfurization waste water flows, need not to stir the water in the storage water tank again.
7. The clearance mouth of jar body bottom is used for clearing up the deposit at the impurity of jar body bottom, and the delivery port bottom is higher than the clearance mouth and is less than the setting of water inlet and can conveniently handle the desulfurization waste water discharge after, and the clearance mouth rotates the closed door of connecting and is used for opening and close, and the anticorrosive sealing washer that is equipped with on the closed door can prevent that desulfurization waste water from corroding, leads to liquid to flow out from jar body and closed door between.
8. The stoving mouth that jar lid upper end set up is used for drying at the internal portion of jar after desulfurization waste water treatment, conveniently clears up the internal coagulation piece of deposit in jar, and the setting up of vent is used for making the internal air of jar circulate, conveniently clears up the internal coagulation piece of jar through the dust catcher or through ventilating at the clearance mouth.
Drawings
FIG. 1 is a schematic sectional view of a thermal power plant desulfurization wastewater treatment system according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a main sectional view of a desulfurization wastewater treatment system of a thermal power plant in accordance with embodiment 2 of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to embodiment 2 of the present invention;
FIG. 4 is a schematic structural diagram of a desulfurization wastewater treatment system of a thermal power plant in a main view according to embodiment 3 of the present invention;
FIG. 5 is a schematic sectional view of a water storage tank in a thermal power plant desulfurization wastewater treatment system in accordance with embodiment 3 of the present invention.
In the attached drawing, 1-tank body, 2-tank cover, 3-water inlet, 4-water outlet, 5-feed inlet, 6-motor, 7-winch, 8-filter plate, 9-connecting rod, 10-stirring rod, 11-discharge hole, 12-flexible gasket, 13-cleaning brush, 14-cyclone, 15-water storage tank, 16-regulating pipe, 17-throttle valve, 18-closed door, 19-drying opening and 20-ventilation opening.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Example 1
As shown in figure 1, a thermal power plant desulfurization wastewater treatment system comprises a treatment tank, the treatment tank comprises a tank cover 2 and a tank body 1, the tank cover 2 is detachably connected with the upper end of the tank body 1, the tank body 1 is cylindrical, the side wall of the tank body 1 is provided with a water inlet 3 and a water outlet 4, the upper end of the tank cover 2 is provided with a feed inlet 5, a motor 6 and a lifting device, the central position of the upper end of the tank cover 2 is vertically penetrated with a connecting rod 9, the output shaft of the motor 6 is in transmission connection with the upper end of the connecting rod 9, the bottom end of the connecting rod 9 is uniformly distributed with stirring rods 10 by taking the length direction of the connecting rod 9 as the central axis, the number of the stirring rods 10 is at least two, the upper end of the stirring rod 10 is fixedly connected with the bottom end of the connecting rod 9, the length direction of the stirring rod 10 is parallel to the side wall of the tank body 1, the lifting device comprises a winch 7 and a filter plate 8, the filter plate 8 is provided with through holes which are the same as and are matched with the stirring rods 10 in number, the stirring rod 10 correspondingly penetrates through the through hole, the winch 7 is arranged at the upper end of the tank cover 2, and the winch 7 is fixedly connected with the upper end of the filter plate 8.
Specifically, the treatment tank comprises a tank body 1 and a tank cover 2 detachably connected to an upper end opening of the tank body 1, the tank body 1 is cylindrical and vertically placed, a water inlet 3 and a water outlet 4 are formed in the side wall of the tank body 1, a feed inlet 5 for placing a flocculating agent or other materials is formed in the tank cover 2, a connecting rod 9 vertically penetrates through the upper end center position of the tank cover 2, the connecting rod 9 is rotatably connected with the tank cover 2, a motor 6 is mounted at the upper end of the tank cover 2, an output shaft of the motor 6 is in transmission connection with the connecting rod 9 through a reduction gearbox, the motor 6 drives the connecting rod 9 to rotate, the bottom end of the connecting rod 9 is fixedly connected with stirring rods 10 which are uniformly distributed by taking the length direction of the connecting rod 9 as a central axis, the number of the stirring rods 10 is at least two, preferably three, the upper ends of the stirring rods 10 are all fixedly connected with the bottom end of the connecting rod 9, the length direction of the stirring rods 10 is parallel to the inner wall of the tank body 1, the upper end of the stirring rods 10 is fixedly connected with the bottom end of the connecting rod 9 through a connecting plate, the hoisting device is arranged on the tank cover 2, the hoisting device comprises a filter plate 8 and a winch 7 arranged at the upper end of the tank cover 2, through holes matched with stirring rods 10 are formed in the filter plate 8, the number of the through holes is the same as that of the stirring rods 10, the stirring rods 10 are all arranged in the through holes in a penetrating mode, one end of the winch 7 penetrates through the tank cover 2 and the upper end of the filter plate 8 and is fixedly connected with the upper end of the filter plate 8, and the filter plate 8 is lifted through the winch 7.
When the device is used, desulfurization wastewater enters the tank body 1 from the water inlet 3, a flocculating agent is added from the feed inlet 5, the connecting rod 9 is driven by the motor 6 to rotate in a reciprocating manner to enable the stirring rod 10 to rotate in a swinging manner to stir the desulfurization wastewater in the tank body 1, the flocculating agent and the desulfurization wastewater are mixed to condense suspended matters in the desulfurization wastewater, the lifting of the filter plate 8 is not influenced by the swinging rotation of the stirring rod 10 rather than the circumferential rotation, after the stirring, the filter plate 8 is descended by the winch 7, condensed blocks or particles in the desulfurization wastewater are extruded by the filter plate 8 to be settled at the bottom end of the tank body 1, the filter plate 8 descends below the bottom of the water outlet 4, the filtered desulfurization wastewater is discharged through the water outlet 4, after the water is discharged through the water outlet 4, the above operations are repeated, after certain impurities are accumulated at the inner bottom end of the tank body 1, the tank cover 2 can be opened to clean the desulfurization wastewater, the use is convenient to continue; this application is through will filtering step and the step of condensing effectively combines, need not the nature after desulfurization waste water condenses to deposit and increase the filtration that filtration equipment can accomplish the coagulation block, and the service equipment is few, and area is little, effectively solves current desulfurization waste water treatment equipment many, the big problem of area.
Example 2
As shown in fig. 2 and fig. 3, the structure of the present embodiment is substantially the same as that of embodiment 1, and the present embodiment is further optimized based on embodiment 2: the stirring rod 10 is hollow, the peripheral surface of the stirring rod 10 is provided with material discharging holes 11 in a dense mode, the material discharging holes 11 are communicated with the inside of the stirring rod 10, and the upper end of the stirring rod 10 is provided with an opening and communicated with the feeding hole 5.
As a further optimization of the invention, a flexible washer 12 is arranged on the inner wall of the through hole of the filter plate 8, the inner wall of the flexible washer 12 is attached to the outer wall of the stirring rod 10, the filter plate 8 is matched with the inner wall of the tank body 1, a cleaning brush 13 is arranged on the outer side wall of the filter plate 8, and one end of the cleaning brush 13, which is far away from the filter plate 8, is abutted against the inner wall of the tank body 1.
As a further optimization of the invention: the bottom end of the stirring rod is provided with a flange, and the upper end of the flange is parallel to the lower part of the water outlet.
Specifically, the stirring rod 10 is hollow and has an open upper end, the outer peripheral surface of the stirring rod 10 is densely provided with discharge holes 11 communicated with the inside of the stirring rod 10, and the flocculant can be discharged to different positions in the desulfurization wastewater through the discharge holes 11 on the stirring rod 10, so that the desulfurization wastewater can be simultaneously reacted in a large range conveniently, and the reaction efficiency is increased; the inner wall of the through hole of the filter plate 8 is provided with a flexible gasket 12, the flexible gasket 12 is attached to the outer wall of the stirring rod 10, the outer side wall of the filter plate 8 is provided with a cleaning brush 13, one end of a brush hair of the cleaning brush 13 is abutted to the inner wall of the tank body 1, the outer peripheral surface of the stirring rod 10 and the inner wall of the tank body 1 are cleaned through the lifting of the filter plate 8, and excessive scaling on the stirring rod 10 and the inner wall of the tank body 1 after the filter plate is used for a period of time is avoided; the filter 8 can be intercepted to the flange of puddler 10 bottom fixed connection, prevents that filter 8 from breaking away from puddler 10, and the setting of flange upper end and 4 lower parts of delivery port parallels can make the coagulation piece that filter 8 was crowded be located delivery port 4 below, prevents to have the coagulation piece to flow along with rivers one. .
Example 3
As shown in fig. 4 and fig. 5, the present embodiment has substantially the same structure as embodiment 2, and is further optimized based on embodiment 2: the water inlet 3 is arranged at the upper part of the side wall of the tank body 1, the water inlet 3 is communicated with a cyclone 14, and a first valve is arranged between the cyclone 14 and the water inlet 3.
As a further optimization of the invention: the water outlet 4 is arranged at the lower part of the side wall of the tank body 1, the water outlet 4 is communicated with a water storage tank 15 through an adjusting pipe 16, a second valve and a throttle valve 17 are arranged on the adjusting pipe 16, and one end of the throttle valve 17 is communicated with the adjusting pipe 16.
As a further optimization of the invention: the water storage tank 15 is in a round table shape, one end of the water storage tank 15 with a small diameter is a bottom end, and the pipe orifice of the adjusting pipe 16 is tangent to the inner wall of the water storage tank 15.
As a further optimization of the invention: the bottom of the side wall of the tank body 1 is provided with a cleaning opening, the bottom of the water outlet 4 is higher than the upper end of the cleaning opening and lower than the water inlet 3, and the cleaning opening is rotatably connected with a closed door 18.
As a further optimization of the invention: one end of the sealing door 18, which is abutted against the tank body 1, is provided with an anti-corrosion sealing ring in a surrounding way, and the anti-corrosion sealing ring is matched with the cleaning opening.
As a further optimization of the invention: the upper end of the tank cover 2 is provided with a drying opening 19, the drying opening 19 is provided with a dryer, and the side wall of the tank body 1 is provided with a vent 20.
Specifically, the water inlet 3 is arranged at the upper part of the side wall of the tank body 1, the water inlet 3 is communicated with a cyclone 14 through a pipeline, a first valve for opening and closing is arranged between the cyclone 14 and the water inlet 3, the cyclone 14 is arranged to perform pretreatment on the desulfurization wastewater, the treatment pressure of the treatment tank on the desulfurization wastewater is reduced by pre-treating the desulfurization wastewater, and the service cycle of the treatment tank is prolonged; the water outlet 4 is arranged at the lower part of the tank body 1, the water outlet 4 is communicated with a water storage tank 15 through an adjusting pipe 16, the water storage tank 15 is used for storing the treated desulfurization wastewater, a second valve and a throttle valve 17 are arranged on the adjusting pipe 16, the second valve is used for opening and closing the adjusting pipe 16, the throttle valve 17 is arranged on the adjusting pipe 16, and one end of the throttle valve is communicated with the adjusting pipe 16; the PH value of the treated desulfurization wastewater needs to be adjusted, corresponding adjusting materials enter an adjusting pipe 16 through a throttle valve 17, the adjusting materials are automatically taken away and mixed when the treated desulfurization wastewater passes through the adjusting pipe 16, a water storage tank 15 is in a round table shape, one end, with a small diameter, of the water storage tank 15 is a bottom end, a pipe orifice of the adjusting pipe 16 is cut from the inner wall of the water storage tank 15, the desulfurization wastewater can circumferentially flow along the inner wall of the water storage tank 15 when entering the water storage tank 15 through the arrangement of the shape of the water storage tank 15 and the position of the pipe orifice of the adjusting pipe 16, the desulfurization wastewater is mixed with the materials for adjusting the PH value in the flowing process, the adjusting materials are mixed through the circumferential flow of the desulfurization wastewater, and stirring equipment is not needed to be additionally arranged to mix the materials for adjusting the PH value and the desulfurization wastewater; in order to facilitate cleaning, a cleaning port is formed in the bottom of the outer side wall of the tank body 1, the bottom of the water outlet 4 is higher than the upper end of the cleaning port and lower than the water inlet 3, the arrangement that the water outlet 4 is higher than the cleaning port can prevent condensate at the bottom end of the tank body 1 from being discharged together during water drainage, the cleaning port is used for cleaning the condensate at the bottom end of the tank body 1, and the sealing door 18 rotatably connected with the cleaning port is used for sealing the cleaning port; the anti-corrosion sealing ring arranged on the sealing door 18 can prevent the desulfurization waste water from flowing out, has certain tolerance to the desulfurization waste water, and prevents the desulfurization waste water from flowing out from a gap between the sealing door 18 and the tank body 1; drying opening 19 has been seted up to jar 1 upper end, and drying-machine can be installed to drying opening 19, and the drying-machine is used for drying to jar internal 1, makes the coagulum that has moisture dry, conveniently clears up, and the setting of vent 20 can make jar circulation of air in 1, facilitates the use dust catcher or other equipment to clear up in jar 1.
At present, the technical scheme of the application has been subjected to pilot plant test, namely small-scale experiment before large-scale mass production of products; after the pilot plant test is finished, user use investigation is developed in a small range, and the investigation result shows that the user satisfaction is high; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been started.

Claims (10)

1.一种火电厂脱硫废水处理系统,其特征在于:包括处理罐,所述处理罐包括罐盖(2)和罐体(1),所述罐体(1)为圆柱状,所述罐体(1)侧壁上设置有进水口(3)和出水口(4),所述罐盖(2)上端设置有进料口(5)、电机(6)和提升装置,所述罐盖(2)上端中心位置垂直贯穿有连接杆(9),所述电机(6)输出轴与所述连接杆(9)上端传动连接,以所述连接杆(9)长度方向为中心轴线均匀分布有至少两个搅拌杆(9),所述搅拌杆(9)上端与所述连接杆(9)底端固定连接,所述搅拌杆(9)与所述罐体(1)侧壁平行,所述提升装置包括过滤板(8)和设置在所述罐盖(2)上端的卷扬机(7),所述过滤板(8)上设置有与所述搅拌杆(9)数量相同且相适配的通孔,所述搅拌杆(9)对应的穿设于所述通孔内,所述卷扬机(7)与所述过滤板(8)上端固定连接。1. a thermal power plant desulfurization wastewater treatment system, characterized in that: comprising a treatment tank, the treatment tank comprises a tank cover (2) and a tank body (1), the tank body (1) is cylindrical, and the tank The side wall of the body (1) is provided with a water inlet (3) and a water outlet (4), the upper end of the tank cover (2) is provided with a feed port (5), a motor (6) and a lifting device. (2) A connecting rod (9) runs vertically through the center of the upper end, and the output shaft of the motor (6) is drive-connected to the upper end of the connecting rod (9), and is evenly distributed with the length direction of the connecting rod (9) as the central axis There are at least two stirring rods (9), the upper end of the stirring rod (9) is fixedly connected with the bottom end of the connecting rod (9), and the stirring rod (9) is parallel to the side wall of the tank (1), The lifting device comprises a filter plate (8) and a hoist (7) arranged at the upper end of the tank cover (2), and the filter plate (8) is provided with the same and suitable number of stirring rods (9). The corresponding through hole of the stirring rod (9) is penetrated in the through hole, and the hoisting machine (7) is fixedly connected with the upper end of the filter plate (8). 2.根据权利要求1所述一种火电厂脱硫废水处理系统,其特征在于:所述搅拌杆(9)内部中空,所述搅拌杆(9)外周面上设置有密布有泄料孔(11),所述泄料孔(11)与所述搅拌杆(9)内部连通,所述搅拌杆(9)上端设有开口且与所述进料口(5)连通。2. A thermal power plant desulfurization wastewater treatment system according to claim 1, characterized in that: the inside of the stirring rod (9) is hollow, and the outer peripheral surface of the stirring rod (9) is provided with drain holes (11). ), the discharge hole (11) is communicated with the inside of the stirring rod (9), and the upper end of the stirring rod (9) is provided with an opening and communicated with the feeding port (5). 3.根据权利要求2所述一种火电厂脱硫废水处理系统,其特征在于:所述过滤板(8)的通孔内壁上设置有柔性垫圈(12),所述柔性垫圈(12)内壁与所述搅拌杆(9)外壁贴合,所述过滤板(8)与所述罐体(1)内壁相适配,所述过滤板(8)外侧壁上设置有清理刷(13),所述清理刷(13)远离所述过滤板(8)的一端与所述罐体(1)内壁抵接。3. A thermal power plant desulfurization wastewater treatment system according to claim 2, characterized in that: a flexible gasket (12) is provided on the inner wall of the through hole of the filter plate (8), and the inner wall of the flexible gasket (12) is connected to the inner wall of the through hole. The outer wall of the stirring rod (9) is fitted, the filter plate (8) is adapted to the inner wall of the tank body (1), and the outer wall of the filter plate (8) is provided with a cleaning brush (13), so One end of the cleaning brush (13) away from the filter plate (8) is in contact with the inner wall of the tank body (1). 4.根据权利要求3所述一种火电厂脱硫废水处理系统,其特征在于:所述搅拌杆(9)的底端设有凸缘,所述凸缘上端与所述出水口(4)下部平行。4. A thermal power plant desulfurization wastewater treatment system according to claim 3, characterized in that: the bottom end of the stirring rod (9) is provided with a flange, the upper end of the flange and the lower part of the water outlet (4) parallel. 5.根据权利要求1所述一种火电厂脱硫废水处理系统,其特征在于:所述进水口(3)设置在所述罐体(1)侧壁上部,所述进水口(3)连通有旋流器(14),所述旋流器(14)与所述进水口(3)之间设置有第一阀门。5. A thermal power plant desulfurization wastewater treatment system according to claim 1, characterized in that: the water inlet (3) is arranged on the upper part of the side wall of the tank body (1), and the water inlet (3) is communicated with The cyclone (14) is provided with a first valve between the cyclone (14) and the water inlet (3). 6.根据权利要求4所述一种火电厂脱硫废水处理系统,其特征在于:所述出水口(4)设置在所述罐体(1)侧壁下部,所述出水口(4)通过调节管(16)连通有储水箱(15),所述调节管(16)上设置有第二阀门和节流阀(17),所述节流阀(17)一端与所述调节管(16)连通。6. A thermal power plant desulfurization wastewater treatment system according to claim 4, characterized in that: the water outlet (4) is arranged at the lower part of the side wall of the tank body (1), and the water outlet (4) is adjusted by adjusting The pipe (16) is communicated with a water storage tank (15), the regulating pipe (16) is provided with a second valve and a throttle valve (17), and one end of the throttle valve (17) is connected to the regulating pipe (16) Connected. 7.根据权利要求5所述一种火电厂脱硫废水处理系统,其特征在于:所述储水箱(15)为圆台状,所述储水箱(15)直径小的一端为底端,所述调节管(16)管口与所述储水箱(15)内壁相切。7. A thermal power plant desulfurization wastewater treatment system according to claim 5, characterized in that: the water storage tank (15) is in the shape of a truncated cone, and one end with a smaller diameter of the water storage tank (15) is the bottom end, and the adjustment The mouth of the pipe (16) is tangent to the inner wall of the water storage tank (15). 8.根据权利要求6所述一种火电厂脱硫废水处理系统,其特征在于:所述罐体(1)侧壁底部设置有清理口,所述出水口(4)底部高于所述清理口上端且低于所述进水口(3),所述清理口转动连接有封闭门(18)。8. A thermal power plant desulfurization wastewater treatment system according to claim 6, characterized in that: the bottom of the side wall of the tank body (1) is provided with a cleaning port, and the bottom of the water outlet (4) is higher than the cleaning port The upper end is lower than the water inlet (3), and the cleaning port is rotatably connected with a closed door (18). 9.根据权利要求7所述一种火电厂脱硫废水处理系统,其特征在于:所述封闭门(18)与所述罐体(1)抵接的一端环绕设有防腐密封圈,所述防腐密封圈与所述清理口相适配。9. A thermal power plant desulfurization wastewater treatment system according to claim 7, characterized in that: the end of the closed door (18) abutting the tank body (1) is provided with an anti-corrosion sealing ring around it. The sealing ring is adapted to the cleaning port. 10.根据权利要求9所述一种火电厂脱硫废水处理系统,其特征在于:所述罐盖(2)上端设置有烘干口(19),所述罐体(1)侧壁上设置有通风口(20)。10. A thermal power plant desulfurization wastewater treatment system according to claim 9, characterized in that: the upper end of the tank cover (2) is provided with a drying port (19), and the side wall of the tank body (1) is provided with a drying port (19). vent (20).
CN202210305356.0A 2022-03-25 2022-03-25 A desulfurization wastewater treatment system for thermal power plants Active CN114538670B (en)

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