CN217627902U

CN217627902U - A auxiliary regulating equipment for thermal power factory desulfurization waste water is administered

Info

Publication number: CN217627902U
Application number: CN202221304632.3U
Authority: CN
Inventors: 高超; 周建; 朱为东; 徐正荣; 蒋晨
Original assignee: Huaneng Nanjing Gas Turbine Power Generation Co ltd
Current assignee: Huaneng Nanjing Gas Turbine Power Generation Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-21
Anticipated expiration: 2032-05-27

Abstract

The utility model provides an auxiliary regulating equipment for thermal power factory desulfurization waste water treatment. The utility model discloses a main part, main part one side is equipped with the inlet tube, inlet tube intercommunication sludge thickening pond delivery port, the inside of main part is provided with reduces discharging device and agitating unit, reduce discharging device is including the softened water jar of storing softened water, the softened water jar is used for diluting the preliminary treatment waste water that the inlet tube got into, the output of softened water jar links to each other with agitating unit's the end of intaking, agitating unit includes corrosion-resistant underframe and sets up in inside filter screen and the puddler of corrosion-resistant underframe, be equipped with the feeder hopper that is used for installing chemical additional on the agitating unit, the puddler links to each other with the rotation motor, the filter screen is used for sifting out inside impurity, the downstream water treatment pipeline is connected to agitating unit's output. The utility model discloses thereby clear water pump extraction quantitative clear water makes it mix harmful substance in with waste water and dilutes, reduces harmful substance's production.

Description

A auxiliary regulating equipment for thermal power factory desulfurization waste water is administered

Technical Field

The utility model relates to a thermal power factory waste water treatment technical field especially relates to an auxiliary regulating apparatus that is used for desulfurization waste water of thermal power factory to administer.

Background

The limestone-gypsum wet desulphurization process is the most common flue gas desulphurization leading process applied in the power plant at present, and the method has the advantages of high desulphurization efficiency, high absorbent utilization rate, good adaptability to coal types, mature process, high operation reliability and the like. The method has the disadvantages that a certain amount of desulfurization wastewater is required to be discharged periodically, the desulfurization wastewater is acidic, main pollutants are suspended matters, fluorides and some heavy metal elements, such as mercury, arsenic, lead, nickel, chromium and the like, which are strictly limited in China, and the first pollutants which have long-term adverse effects on human bodies and the environment can be discharged only after being treated to reach the standard. In the prior art, flocculation reactors are mostly used to precipitate metal impurities, such as Ca (OH) ₂ And the flocculated concentrated water enters a settling tank and a sludge concentration tank though passing through Ca (OH) ₂ The water after the processing has broken away from the scope of hard water, but the in-process of current sludge circulating pump to sludge concentration tank drainage, because throw the medicine more than or equal to former plan etc. and make up in earlier stage, the condition of pipeline blocking often appears in the too high concentration of sediment, filter in the downstream outlet pipe, the filter screen also often is too big because of the impurity after handling and sludge impoundment water outlet section to flocculating agent treatment tank, and the reverse osmosis system between lead to the pipeline internal pressure too big, rivers are slow, the not enough condition of reverse osmosis system water supply can appear even in the serious condition, influence the subsequent handling.

SUMMERY OF THE UTILITY MODEL

In light of the technical problems, an auxiliary regulating device for desulfurization wastewater treatment of a thermal power plant is provided. The utility model discloses a technical means as follows:

the utility model provides an auxiliary regulating equipment for thermal power factory desulfurization waste water is administered, comprises a main body, main part one side is equipped with the inlet tube, inlet tube intercommunication sludge thickening pond delivery port, the inside of main part is provided with reduces discharging device and agitating unit, reduce discharging device is including the softened water pitcher of storing demineralized water, the softened water pitcher is used for diluting the preliminary treatment waste water that the inlet tube got into, the output of softened water pitcher with agitating unit's the end of intaking links to each other, agitating unit includes corrosion-resistant underframe and sets up in inside filter screen and puddler of corrosion-resistant underframe, be equipped with the feeder hopper that is used for installing chemical additional on the agitating unit, the puddler links to each other with the rotation motor, and the waste water that is used for the inside chemical of main part and mixes through the soft water stirs, dissolves harmful substance and eliminates, the filter screen is used for sieving out internal impurity, downstream water treatment pipeline is connected to agitating unit's output.

Further, soften the water pitcher and include one-level water pitcher and second grade water pitcher that softens, the input that the one-level softened the water pitcher passes through the pipe and is connected with the water pump, the water pump links to each other with the clear water pipe, the output that the one-level softened the water pitcher links to each other with one side of second grade water pitcher through communicating pipe, is equipped with control flap and check valve on it, the top that the water pitcher was softened to the second grade is connected with the waste water admission pipe, the bottom that the water pitcher was softened to the second grade is equipped with the waste water clearance delivery port, the waste water clearance delivery port is connected with the blowoff valve.

Further, a water inlet of the stirring device is connected with a wastewater cleaning water outlet of the secondary softened water tank.

Further, the bottom of the stirring device is a wastewater treatment outlet, and the wastewater treatment outlet is provided with a regulating valve.

Furthermore, the clean water pipe is led from a clean water storage tank or is led from a flocculating agent treatment tank to any branch between a reverse osmosis system and the reverse osmosis system to a water inlet pipe in a factory.

The utility model has the advantages of it is following:

1. the utility model discloses a water pitcher is softened to the one-level, clean water pump, communicating pipe, the blowdown pneumatic valve, under the combined action of second grade water pitcher and outlet pipe, can get into the volume in the second grade water pitcher of softening through the soft water of the aperture regulation on the control valve on communicating pipe in the one-level water pitcher of softening, thereby the waste water of extracting quantitative clear water by the clean water pump of one side makes its and the second grade water pitcher of softening mix harmful substance in with waste water and dilutes, adjust the concentration of waste water, make waste water difficult production dirt in the pipeline.

2. The utility model discloses a corrosion-resistant underframe, the filter screen, the puddler, the feeder hopper, under the combined action of driving motor and governing valve, the condition that can avoid waste water to leak takes place, it rotates to drive the puddler by driving motor, make the inside chemical of main part mix with waste water, dissolve the impurity of waste water inside and eliminate/deposit, the effect of the waste water rethread filter screen after dissolving carries out effective filtration, screen out inside impurity, thereby make waste water obtain purifying, at sludge thickening pond to flocculating agent treatment tank, and the pipeline between the reverse osmosis system assists the regulation, help the patency between the low reaches governing pipeline.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be 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 the drawings without inventive labor.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the emission reduction device of the present invention;

FIG. 3 is a schematic structural view of the stirring device of the present invention;

fig. 4 is a schematic view of the connection between the water inlet pipe and the emission reduction device of the present invention.

In the figure: 1. a main body; 2. a device controller; 3. an emission reduction device; 31. a primary softened water tank; 32. a clean water pump; 33. a communicating pipe; 34. a blowdown pneumatic valve; 35. a secondary softened water tank; 36. a wastewater inlet pipe; 4. a stirring device; 41. a corrosion-resistant bottom frame; 42. filtering with a screen; 43. a stirring rod; 44. a feed hopper; 45. A drive motor; 46. adjusting a valve; 5. supporting legs; 6. and (4) a water inlet pipe.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model discloses an auxiliary regulating equipment for thermal power factory desulfurization waste water is administered, including main part 1, main part one side is equipped with inlet tube 6, inlet tube intercommunication sludge thickening pond delivery port, the inside of main part is provided with emission reduction device 3 and agitating unit 4, emission reduction device is including the demineralized water jar of storing demineralized water, the demineralized water jar is used for diluting the waste water that the inlet tube got into, the output of demineralized water jar with agitating unit's the end of intaking links to each other, agitating unit includes corrosion-resistant underframe 41 and sets up in inside filter screen 42 of corrosion-resistant underframe and puddler 43, agitating unit's the end of intaking sets up on corrosion-resistant underframe, be equipped with the feeder hopper 44 that is used for installing chemical additional on the agitating unit, puddler 43 links to each other with driving motor 45, the puddler is located the top of filter screen, specifically, driving motor can dismantle with one side of puddler and be connected, and the inside chemical of main part mixes with the waste water that the end of intaking got into, dissolves the inside harmful substance and eliminates, be used for sieving out the filter screen internal impurity. The chemicals added to the wastewater in this embodiment can be prepared by the prior art, such as high molecular polymer, flocculant, etc.

The soft water pitcher includes that one-level softens water pitcher 31 and second grade softens water pitcher 35, the input that the one-level softens the water pitcher passes through the pipe and is connected with clean water pump 32, the clean water pump links to each other with the clear water pipe, the output that the one-level softens the water pitcher links to each other with one side of second grade softening water pitcher through communicating pipe 33, is equipped with control flap and check valve (not shown in the figure) on it, the top that the water pitcher was softened to the second grade is connected with waste water inlet pipe 36, the bottom that the water pitcher was softened to the second grade is equipped with waste water clearance delivery port, waste water clearance delivery port is connected with blowdown pneumatic valve 34.

The bottom of the stirring device is a wastewater treatment outlet, and the wastewater treatment outlet is provided with an adjusting valve 46.

The running condition of this embodiment mainly includes opening and close of pump and the opening and close of each valve and pass through equipment controller 2 control, and this embodiment main part passes through supporting legs 5 and sits at preset position, the lower extreme fixed connection of welding piece and main part is passed through to the upper end of supporting legs 5.

In this embodiment, can carry out the auxiliary control to the waste water of sludge thickening pond delivery port, as optional implementation, the source of clear water pipe can be the clear water of clear water storage tank deposit, or from flocculating agent treatment tank to reverse osmosis system, or a branch road of reverse osmosis system to the interior inlet tube of factory between any department, it can be than the concentration of waste water low can, can guarantee to carry out the washing step of preliminary treatment to waste water.

Can make the orderly emission of waste water ration through the one-level demineralized water jar 31 that is equipped with and second grade demineralized water jar 35, also enable the difficult dirt that produces of waste water simultaneously, sewage is handled in getting into the second grade demineralized water jar from the waste water inlet tube to extract quantitative clear water and get into the one-level demineralized water jar by the clear water pump 32 of one side, and the one-level demineralized water jar supplies demineralized water to the second grade demineralized water jar through opening of communicating pipe upper valve, still be equipped with the check valve communicating pipe on, thereby demineralized water mixes harmful substance in with waste water and dilutes, reduces harmful substance's production, and the waste water that obtains after the processing can adjust the emission of waste water at any time through blowdown pneumatic valve 34, gets into next stage.

The driving motor 45 drives the stirring rod 43 to rotate, so that chemical reagents in the main body 1 can be mixed with wastewater, the chemical reagents are stored at the bottom of the feed hopper 44, and a gate, such as an electric gate valve, is arranged between the feed hopper and the corrosion-resistant bottom frame; or carry out the medicine output to wherein through the form of dosing pump, open when needs transported substance material, chemical reagent follows waste water and together gets into agitating unit 4, dissolve the inside harmful substance of waste water and eliminate or deposit it, the effect of waste water rethread filter screen 42 after dissolving carries out effective filtration, sifts out inside impurity to make waste water obtain purifying, this device can make equipment use make work efficiency can improve, waste water after handling through governing valve 46 output.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an auxiliary regulating equipment for thermal power factory desulfurization waste water is administered, a serial communication port, including the main part, main part one side is equipped with the inlet tube, inlet tube intercommunication sludge thickening pond delivery port, the inside of main part is provided with reduces discharging device and agitating unit, reduce discharging device is including the softened water tank of storing demineralized water, the softened water tank is used for diluting the preliminary treatment waste water that the inlet tube got into, the output of softened water tank with agitating unit's the end of intaking links to each other, agitating unit includes corrosion-resistant underframe and sets up in inside filter screen and the puddler of corrosion-resistant underframe, be equipped with the feeder hopper that is used for installing chemical additional on the agitating unit, the puddler links to each other with the rotation motor, and the waste water that is mixed through the soft water is stirred for making inside chemical of main part, dissolves harmful substance and eliminates, the filter screen is used for sieving out internal impurity, downstream water treatment pipeline is connected to agitating unit's output.

2. The auxiliary regulating equipment for thermal power plant desulfurization wastewater treatment according to claim 1, characterized in that the softened water tank comprises a primary softened water tank and a secondary softened water tank, the input end of the primary softened water tank is connected with a water pump through a conduit, the water pump is connected with a clean water pipe, the output end of the primary softened water tank is connected with one side of the secondary softened water tank through a communicating pipe, a control valve and a check valve are arranged on the primary softened water tank, a wastewater inlet pipe is connected above the secondary softened water tank, a wastewater cleaning water outlet is arranged at the bottom end of the secondary softened water tank, and a blow-down valve is connected to the wastewater cleaning water outlet.

3. The auxiliary regulating equipment for desulfurization wastewater treatment of thermal power plant according to claim 2, wherein the water inlet of the stirring device is connected with the wastewater cleaning water outlet of the secondary softened water tank.

4. The auxiliary regulating equipment for desulfurization wastewater treatment of thermal power plants according to any one of claims 1 to 3, wherein the bottom of the stirring device is a wastewater treatment outlet, and the wastewater treatment outlet is provided with a regulating valve.

5. The auxiliary regulating equipment for desulfurization wastewater treatment of thermal power plants according to claim 2, wherein the clean water pipe is led from a clean water storage tank or is led from a flocculant treatment tank to a reverse osmosis system, and the reverse osmosis system is led to any branch between water inlet pipes in the plant.