CN216737948U

CN216737948U - A preliminary treatment reaction unit for desulfurization waste water of steam power plant

Info

Publication number: CN216737948U
Application number: CN202220363290.6U
Authority: CN
Inventors: 张利群; 毛立军; 张万里; 何敬力; 孙自海
Original assignee: Huaneng Daqing Thermal Power Co Ltd
Current assignee: Huaneng Daqing Thermal Power Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-06-14
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a pretreatment reaction device for desulfurization wastewater of a thermal power plant, which comprises a closed box body, wherein a filtering device and an evaporating device are sequentially arranged in the closed box body from top to bottom; the front side of the closed box body is provided with a sealing door, the sealing door is arranged at a position corresponding to the filtering device, the upper end of the closed box body is provided with a water inlet pipe, and the lower end of the closed box body is provided with a water outlet pipe. The waste water enters the closed box body through the water inlet pipe, is filtered through the filtering device, impurities and other waste in the waste water are filtered out, the waste is periodically cleaned by opening the sealing door, the filtered waste water enters the evaporating device, the evaporated gas enters the purifying cylinder through the discharge pipe, and harmful substances such as sulfur dioxide and the like in the gas are adsorbed, purified and discharged through the activated carbon adsorption plate in the purifying cylinder, so that the pretreatment of the waste water is realized.

Description

A preliminary treatment reaction unit for desulfurization waste water of steam power plant

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a pretreatment reaction device for desulfurization wastewater of a thermal power plant.

Background

When traditional steam power plant waste water is handled, directly discharge and handle among the processing apparatus, because contain a series of discarded objects such as impurity and incrustation scale in the waste water, impurity in the in-process waste water of discharging blocks up discharge pipe easily, contain certain content's sulfur dioxide in the steam power plant waste water in addition, if directly discharge after the steam power plant waste water is handled simply, can cause certain influence to the surrounding environment, also can cause certain pollution to the ambient atmosphere on every side simultaneously, it is more inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a pretreatment reaction device for desulfurization wastewater of a thermal power plant.

According to one object of the utility model, the utility model provides a pretreatment reaction device for desulfurization wastewater of a thermal power plant, which comprises a closed box body, wherein a filtering device and an evaporating device are sequentially arranged in the closed box body from top to bottom, and a blocking inclined plate is also arranged between the filtering device and the evaporating device;

a discharge pipe is arranged on one side of the closed box body, the discharge pipe is arranged below the blocking inclined plate, a purification cylinder is arranged at the upper end of the discharge pipe, and an exhaust fan is arranged on the discharge pipe;

the front side of the airtight box body is provided with a sealing door, the sealing door is arranged at a position corresponding to the filtering device, the middle of the upper end of the airtight box body is provided with a water inlet pipe, and the middle of the lower end of the airtight box body is provided with a water drain pipe.

Further, the device also comprises a bottom plate, and the closed box body is fixed at the upper end of the bottom plate.

Further, the filter device comprises a coarse filter plate and a fine filter plate, and the coarse filter plate is positioned above the fine filter plate.

Further, evaporation plant is including setting up a plurality of electrical heating stick of separation swash plate below, electrical heating stick evenly arranges in the airtight box.

Furthermore, the sealing door is hinged to the side wall of the closed box body and provided with a handle.

Further, the sealing door is provided with a rotation lock, and the rotation lock is located below the handle.

Further, a fixing frame is arranged on the discharge pipe and fixedly connected with the closed box body.

Furthermore, a flow detector and a control valve are respectively arranged on the water discharge pipe.

Furthermore, a plurality of activated carbon adsorption plates are equidistantly arranged in the purification cylinder.

Furthermore, a flow valve is arranged on the water inlet pipe.

Has the advantages that:

according to the technical scheme, the waste water enters the closed box body through the water inlet pipe, then is filtered through the filtering device, impurities and other waste in the waste water are filtered out, the waste can be cleaned regularly by opening the sealing door, finally the filtered waste water enters the evaporating device, then the evaporated gas enters the purifying cylinder through the discharge pipe, finally, harmful substances such as sulfur dioxide in the gas are adsorbed, purified and discharged through the activated carbon adsorption plate in the purifying cylinder, and the purified waste water is discharged through the discharge pipe, so that the aim of harmless treatment is fulfilled, and the sewage is pretreated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a sectional view showing the internal structure of the enclosure of the present invention;

FIG. 3 is a sectional view showing the internal structure of the purification cartridge of the present invention;

description of reference numerals: 1. a base plate; 2. sealing the box body; 3. coarse filter plate; 4. fine filter plates; 5. blocking the inclined plate; 6. an electrical heating rod; 7. a sealing door; 8. a handle; 9. a rotation lock; 10. a water inlet pipe; 11. a drain pipe; 12. a flow valve; 13. a flow detector; 14. a control valve; 15. a discharge pipe; 16. a purification cartridge; 17. an exhaust fan; 18. a fixed mount; 19. an activated carbon adsorption plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.

Example 1

As shown in figures 1-3 of the drawings,

the utility model provides a preliminary treatment reaction unit for desulfurization waste water of steam power plant, includes bottom plate 1, and airtight box 2 is fixed in the upper end of bottom plate 1, is equipped with filter equipment and evaporation plant from the top down in proper order in the airtight box 2, and filter equipment includes thick filter plate 3 and thin filter plate 4, and thick filter plate 3 is located the top of thin filter plate 4, and the below of thin filter plate 4 is equipped with separation swash plate 5.

The evaporation plant is arranged below the separation sloping plate 5, the impact force of the filtered wastewater is reduced through the separation sloping plate 5, and the backflow of the evaporation gas in the evaporation plant can be prevented. The evaporation device comprises a plurality of electric heating rods 6 arranged below the blocking inclined plate 5, and the electric heating rods 6 are uniformly distributed in the closed box body 2. The electric heating rod is used for heating the filtered sewage, evaporating the sewage and discharging the waste in the sewage.

The front side of the airtight box body 2 is provided with a sealing door 7, the sealing door 7 is arranged at a position corresponding to the filtering device, the sealing door 7 is hinged to the side wall of the airtight box body 2, the sealing door 7 is provided with a handle 8, the sealing door 7 is provided with a rotating lock 9, and the rotating lock 9 is located below the handle 8. Conveniently open or close sealing door 7 through handle 8, seal sealing door 7 through rotating lock 9, can open through opening rotating lock 9 when needs use promptly.

The upper end middle part of the airtight box body 2 is provided with a water inlet pipe 10, the lower end middle part of the airtight box body 2 is provided with a water outlet pipe 11, the water inlet pipe 10 is provided with a flow valve 12, and the water outlet pipe 11 is respectively provided with a flow detector 13 and a control valve 14. The wastewater is discharged into the closed box body 2 through the water inlet pipe 10 for treatment, the wastewater after the filtration and purification pretreatment is finished is discharged through the water discharge pipe 11, and the sewage treatment center for water inlet carries out the next step of sewage treatment. The flow rate of wastewater in the drain pipe 11 is detected by the flow rate detector 13, and the control of wastewater discharge to the drain pipe 11 is facilitated by the control valve 14.

One side of the closed box body 2 is provided with a discharge pipe 15, the discharge pipe 15 is arranged below the separation inclined plate 5, the upper end of the discharge pipe 15 is provided with a purification cylinder 16, and the discharge pipe 15 is provided with an exhaust fan 17. The exhaust fan is beneficial to discharging the waste gas or the vapor in the closed box body 2 in time.

The discharge pipe 15 is provided with a fixing frame 18, and the fixing frame 18 is fixedly connected with the closed box body 2. A plurality of activated carbon adsorption plates 19 are equidistantly arranged in the purification cylinder 16. The discharge pipe 15 is fixed by the fixing frame 18, and the discharge pipe 15 is prevented from being damaged by accidental collision of other objects.

When the utility model works:

waste water passes through the inlet tube 10 and gets into in the airtight box 2, then loop through thick filter plate 3 and thin filter plate 4 and filter, a series of discarded objects such as impurity in the waste water are filtered out, later open sealing door 7 through handle 8 and carry out periodic cleaning to the discarded object on the filter plate, the waste water that has filtered at last gets into evaporation plant, waste water gets into evaporation plant and carries out the heating evaporation gasification and heats the sewage after filtering through the electric heating rod, then the gas after the evaporation gets into purification section of thick bamboo 16 through discharge pipe 15 under exhaust fan 17 effect, adsorb through the harmful substance such as the sulfur dioxide in the purification section of thick bamboo 16 finally and purify the discharge, the waste water that purifies discharges through drain pipe 11, thereby reach the purpose that sewage pretreatment is innoxious.

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; while the utility model has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pretreatment reaction device for desulfurization wastewater of a thermal power plant is characterized by comprising a closed box body, wherein a filtering device and an evaporating device are sequentially arranged in the closed box body from top to bottom, and a blocking inclined plate is arranged between the filtering device and the evaporating device;

2. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, further comprising a bottom plate, wherein said enclosure is fixed to an upper end of said bottom plate.

3. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein said filtering device comprises a coarse filtering plate and a fine filtering plate, said coarse filtering plate is located above said fine filtering plate.

4. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein the evaporation device comprises a plurality of electric heating rods arranged below the inclined baffle plates, and the electric heating rods are uniformly arranged in the closed box.

5. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein said sealing door is hinged with a side wall of said enclosure, said sealing door is provided with a handle.

6. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 5, wherein said sealing door is provided with a rotation lock, and said rotation lock is located below said handle.

7. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein a fixing frame is disposed on the discharge pipe, and the fixing frame is fixedly connected with the closed box body.

8. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein said water discharge pipes are respectively provided with a flow detector and a control valve.

9. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein a plurality of activated carbon adsorption plates are equidistantly arranged inside the purification cylinder.

10. The pretreatment reaction device for desulfurization wastewater of thermal power plant according to claim 1, wherein the water inlet pipe is provided with a flow valve.