CN214106926U - Coal fired power plant desulfurization waste water modified flocculant preparation facilities - Google Patents
Coal fired power plant desulfurization waste water modified flocculant preparation facilities Download PDFInfo
- Publication number
- CN214106926U CN214106926U CN202022647112.XU CN202022647112U CN214106926U CN 214106926 U CN214106926 U CN 214106926U CN 202022647112 U CN202022647112 U CN 202022647112U CN 214106926 U CN214106926 U CN 214106926U
- Authority
- CN
- China
- Prior art keywords
- box body
- feeding
- fired power
- power plant
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a coal fired power plant desulfurization waste water modified flocculant preparation facilities, including the box that is used for preparing modified flocculant, be provided with sealed lid on the box, the inside of sealed lid is provided with the agitator, and sealed covering is provided with agitator motor and feed inlet, and the feed inlet is connected with the feeder hopper that is used for the box feeding through the inlet pipe, is provided with the control module who is used for controlling the ejection of compact on the feeder hopper. The feeding pipe is provided with a feeding motor for pumping the feeding hopper material into the box body. A discharge hole for discharging is formed in the bottom of the box body; an electric heater for heating the box body is annularly arranged on the outer wall of the box body. The utility model discloses the device can guarantee that the material ratio is accurate to stir the material through constant temperature and prepare the flocculating agent, can make and be suitable for the desulfurization waste water coagulation clarification's that flue gas system ultralow emission was reformed transform high efficiency flocculating agent, can effectively solve desulfurization waste water treatment system input rate low, go out that the water turbidity is big, the system blocks up, deposit volume is too big scheduling problem.
Description
Technical Field
The utility model relates to a flocculating agent preparation field, concretely relates to coal fired power plant desulfurization waste water flocculating agent preparation facilities.
Background
With the increase of population and the continuous enlargement of economic scale, the energy consumption of China has been continuously increased for a long time. Because of abundant coal resources, reliable operation and mature technology of coal-fired power generation in China, the coal-fired power generation has been used as a main source of energy supply in China for a long time, but desulfurization wastewater generated in the power generation process becomes one of the most difficult wastewater to treat in coal-fired power stations.
The most widely and mature flue gas desulfurization process for coal-fired power plants at home and abroad is limestone-gypsum wet desulfurization technology, and the adoption of the desulfurization mode can maintain higher desulfurization efficiency and gypsum quality, but in order to maintain the material balance of a slurry circulating system of a desulfurization device, prevent the concentration of soluble parts, namely chloride ions, in flue gas from exceeding a specified value and ensure the gypsum quality, a certain amount of wastewater, namely desulfurization wastewater, must be discharged while periodically supplementing process water to the system.
The desulfurization wastewater mainly comes from a gypsum dehydration and cleaning system, and is enriched with a large amount of suspended matters, salt, heavy metals and other impurities, so that the treatment difficulty is very high. At present, the treatment process of a neutralization box, a reaction box and a flocculation box by a three-header method is commonly adopted in China. But because of desulfurization system ultralow emission transformation back in recent years, remove dust in coordination and make the smoke and dust content that gets into desulfurization system increase greatly, secondly along with the second grade whirl efficiency reduction of gypsum thick liquid swirler and waste water swirler, lead to the suspended solid content in the desulfurization waste water too high, generally can surpass former system design value, make traditional coagulating agent and desulfurization waste water reaction rate reduce, the reaction time of medicament also receives the restriction of quality of water change simultaneously, not only lead to unable discharge to reach standard after the desulfurization waste water treatment, still can make neutralization box, reaction box and flocculation box often appear the agitator overflow, the bottom deposit mud is too much, the jam condition of bottom calandria, the problem of whole desulfurization waste water treatment subsystem paralysis even, the outage. The flocculating agent preparation device is urgently needed to be researched and developed to prepare a novel and efficient flocculating agent for coagulation and clarification treatment of desulfurization wastewater after ultralow emission and transformation of a flue gas system, so that the problems of low investment rate, large effluent turbidity, system blockage, excessive deposition and the like of the desulfurization wastewater treatment system are effectively solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a device for preparing a modified flocculating agent of desulfurization wastewater of coal-fired power plants is provided, which can prepare a high-efficiency flocculating agent for coagulating and clarifying desulfurization wastewater after the ultralow emission and transformation of a flue gas system.
In order to solve the technical problem, the utility model adopts the following technical proposal.
A device for preparing a modified flocculant from desulfurization wastewater of a coal-fired power plant comprises a box body for preparing the modified flocculant, wherein a sealing cover is arranged on the box body, a stirrer for stirring materials is arranged in the sealing cover, and a stirring motor for driving the stirrer to stir is arranged on the sealing cover; the sealing cover is provided with a feeding hole for feeding, the feeding hole is connected with a feeding hopper for feeding the box body through a feeding pipe, and the feeding hopper is provided with a control module for controlling discharging; the feeding pipe is provided with a feeding motor for pumping the feeding hopper material into the box body; a discharge hole for discharging is formed in the bottom of the box body; and an electric heater for heating the box body is annularly arranged on the outer wall of the box body.
Preferably, a spiral conveying rod for conveying materials is arranged in the feeding pipe, and the spiral conveying rod is connected with a motor shaft of the feeding motor.
Preferably, control module is including setting up at the input of PLC controller at the input of weighing scale and solenoid valve and the PLC controller that is used for controlling the ejection of compact of feeder hopper discharge end, the output of weighing scale, and the input of solenoid valve is connected to the output of PLC controller.
Preferably, two sealing films are arranged on the sealing cover, and polytetrafluoroethylene filler is filled between the two sealing films.
Preferably, the box body is a cylindrical barrel with an inverted cone at the bottom.
Preferably, the discharge port is provided with a discharge valve for controlling discharge.
Preferably, the bottom of the box body is provided with a support column for supporting the box body.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model relates to a coal fired power plant desulfurization waste water modified flocculant preparation facilities, it can guarantee that the material ratio is accurate to through constant temperature stirring material preparation flocculating agent, can make out and be suitable for the ultralow desulfurization waste water coagulation clarification's after the transformation of discharging of flue gas system high efficiency flocculating agent, can effectively solve desulfurization waste water treatment system input rate low, go out that the water turbidity is big, the system blocks up, deposit volume is too big scheduling problem.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. feeding hopper, 2 metering scale, 3 feeding pipe, 4 feeding motor, 41 screw conveying rod, 5 stirrer, 51 stirring motor, 6 sealing cover, 7 electric heater, 8 discharging port, 81 discharging valve, 9 supporting column, 10 box body and 11 feeding port
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A coal fired power plant desulfurization waste water modified flocculant preparation facilities, combine shown in figure 1, including feeder hopper 1 and box 10, feeder hopper 1 passes through inlet pipe 3 and connects on box 10 for add the material in to box 10, box 10 is used for preparing modified flocculant.
The box body 10 is provided with the sealing cover 6, the sealing cover 6 is provided with two layers of sealing films, polytetrafluoroethylene filler is filled between the two layers of sealing films, the box body has good acid and alkali resistance and various organic solvent resistance, and can prevent external impurities, dust and the like from entering the box body, so that the influence on the proportioning of the flocculant preparation materials is avoided.
The stirrer 5 is arranged inside the sealing cover 6, the stirring motor 51 is arranged on the sealing cover 6, and a motor shaft of the stirring motor 51 is connected with the stirrer 5 and used for driving the stirrer 5 to stir materials.
The sealing cover 6 is provided with a feeding hole 11 for feeding, and the feeding hole 11 is connected to the feeding hopper 1 through a feeding pipe 3.
The outer wall ring of box 10 is equipped with constant temperature electric heater 7 for heat box 10, makes the surface temperature of box 10 be in invariable temperature value all the time, thereby provides invariable temperature for the flocculating agent preparation, can avoid the material to harden for the material fully contacts.
The bottom of the box body 10 is provided with a discharge port 8 for discharging, and the discharge port 8 is provided with a discharge valve 81 for controlling discharging. The bottom of the box body 10 is in an inverted cone structure so that the material can flow out of the box body through the discharge hole 8.
The two sides of the bottom of the box body 10 are respectively provided with a support column 9 for supporting the box body 10.
Be provided with feeding motor 4 on inlet pipe 3 for in the box 10 is gone into with the material pump in the feeder hopper 1, the inside of inlet pipe 3 is provided with screw conveyor rod 41, the motor shaft of feeding motor 4 is connected on screw conveyor rod 41, drive screw conveyor rod 41 rotatory transport material to box 10, the material does not omit nor get into external impurity in transportation process, thereby guarantee the ratio of material.
Be provided with control module on feeder hopper 1, be used for controlling 1 automatic discharge of feeder hopper, control module includes measurement balance 2, solenoid valve and PLC controller, measurement balance 2 and solenoid valve setting are at the discharge end of feeder hopper 1, measurement balance 2 is used for measuring ejection of compact quantity, the solenoid valve is used for opening and closing the ejection of compact, the PLC controller is used for controlling the 1 ejection of compact of feeder hopper, the input at the PLC controller is connected to the output of measurement balance 2, the input of solenoid valve is connected to the output of PLC controller.
The weighing scale 2 consists of a standard weight and a weight sensor, and realizes the functions of weight monitoring, real-time recording and data display.
In the discharging process of the feeding hopper 1, the weighing scale 2 meters the discharged weight and sends the metered data to the PLC, and when the discharged weight is reached, the PLC turns off the electromagnetic valve to stop discharging.
When the modified flocculant of the utility model is prepared, firstly, the electric heater 7 is started, the constant temperature of the box body 10 is kept at about 55-60 ℃, then a certain amount of mixture of modified diatomite (10-15 parts by weight), modified bentonite (10-15 parts by weight), fly ash (5-10 parts by weight), polymerized FeClSO4(40-45 parts by weight) and polyacrylamide (20-30 parts by weight) is put into the feed hopper 1, the electromagnetic valve is opened through the PLC controller to control the discharge of the feed hopper 1, then the feeding motor 4 is started to drive the spiral conveying rod 41 to convey materials to the box body 10, the weight of the materials put into the box body 10 is monitored through the weighing scale 2, the electromagnetic valve is closed through the controller after the required requirements are met, the feeding is stopped, then the stirring motor 51 is started, the stirrer 5 is enabled to stir the materials for about 30 minutes, the stirrer 5 and the electric heater 7 are closed in turn, and finally, opening a discharge valve 81 and collecting the modified flocculant from a discharge port 8.
Claims (7)
1. The utility model provides a coal fired power plant desulfurization waste water modified flocculant preparation facilities which characterized in that: the device comprises a box body (10) for preparing the modified flocculant, wherein a sealing cover (6) is arranged on the box body (10), a stirrer (5) for stirring materials is arranged in the sealing cover (6), and a stirring motor (51) for driving the stirrer to stir is arranged on the sealing cover (6); a feeding hole (11) for feeding is formed in the sealing cover (6), the feeding hole (11) is connected with a feeding hopper (1) for feeding the box body (10) through a feeding pipe (3), and a control module for controlling discharging is arranged on the feeding hopper (1); the feeding pipe (3) is provided with a feeding motor (4) for pumping the material of the feeding hopper (1) into the box body (10); a discharge hole (8) for discharging is formed in the bottom of the box body (10); an electric heater (7) for heating the box body (10) is annularly arranged on the outer wall of the box body (10).
2. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: the feeding pipe (3) is internally provided with a spiral conveying rod (41) for conveying materials, and the spiral conveying rod (41) is connected with a motor shaft of the feeding motor (4).
3. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: the control module comprises a metering scale (2) and an electromagnetic valve which are arranged at the discharge end of the feed hopper (1) and a PLC controller used for controlling discharge, the output end of the metering scale (2) is connected with the input end of the PLC controller, and the output end of the PLC controller is connected with the input end of the electromagnetic valve.
4. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: two layers of sealing films are arranged on the sealing cover (6), and polytetrafluoroethylene filler is filled between the two layers of sealing films.
5. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: the box body (10) is a cylindrical barrel with an inverted cone at the bottom.
6. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: the discharge port (8) is provided with a discharge valve (81) for controlling discharge.
7. The coal-fired power plant desulfurization wastewater modified flocculant preparation device of claim 1, characterized in that: the bottom of the box body (10) is provided with a support column (9) for supporting the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647112.XU CN214106926U (en) | 2020-11-16 | 2020-11-16 | Coal fired power plant desulfurization waste water modified flocculant preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647112.XU CN214106926U (en) | 2020-11-16 | 2020-11-16 | Coal fired power plant desulfurization waste water modified flocculant preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214106926U true CN214106926U (en) | 2021-09-03 |
Family
ID=77504068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647112.XU Active CN214106926U (en) | 2020-11-16 | 2020-11-16 | Coal fired power plant desulfurization waste water modified flocculant preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214106926U (en) |
-
2020
- 2020-11-16 CN CN202022647112.XU patent/CN214106926U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205061649U (en) | Automatic feeder apparatus of throwing of lime breast | |
| CN206496354U (en) | Municipal sludge and incineration of refuse flyash cooperative disposal recycling system | |
| CN201362608Y (en) | Desulfuration and denitration treatment system device for fluorine-containing and heavy metal waste water | |
| CN201538744U (en) | Calcined lime digesting and granules separating device and lime milk preparation adding device | |
| CN217052006U (en) | Efficient centrifugal dehydration integrated technology equipment system for urban sludge | |
| CN214106926U (en) | Coal fired power plant desulfurization waste water modified flocculant preparation facilities | |
| CN110759520A (en) | Crystallization fluidization process | |
| CN215102791U (en) | Intelligent coal slime high-efficiency concentration treatment system | |
| CN105709586A (en) | Solution preparation and supplying method and device for coking furnace flue gas desulfurization system | |
| CN202284157U (en) | Wet process metering system for lime powder | |
| CN205188019U (en) | Lime - gypsum wet flue gas desulfurization waste water mud branch matter and subtract quantization device | |
| CN204051572U (en) | Full-automatic lime chemicals dosing plant | |
| CN214299904U (en) | Acid wastewater recycling production device in titanium dioxide production by sulfuric acid process | |
| CN209352684U (en) | It is a kind of waste water advanced except fluorine treatment system | |
| CN202297232U (en) | Dry method metering system for lime powder | |
| CN216997806U (en) | Intelligent sedimentation system for slime water | |
| CN216543924U (en) | System for utilize desulfurization waste water preparation air entrainment brick thick liquid | |
| CN215506645U (en) | Continuous automatic preparation device for flocculating agent | |
| CN205024075U (en) | Calcium carbonate chemical sludge discharge apparatus that dewaters | |
| CN220779899U (en) | Coal-containing wastewater dosing device | |
| CN206435037U (en) | Desulfurizing tower medicinal liquid preparation device and the boiler flue gas purifying equipment with the device | |
| CN213253138U (en) | Continuous flocculation device | |
| CN217909722U (en) | Desulfurization device for improving wet desulfurization efficiency | |
| CN112063841B (en) | Intelligent continuous leaching system and method for waste lithium ion batteries | |
| CN219971985U (en) | Wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |