A desulfurization wastewater zero discharge system

Abstract

A desulfurization wastewater zero discharge system is provided with a pretreatment device and a discharge device. The pretreatment device is provided with a water inlet, and the water inlet and the wastewater conveying pipeline are connected to each other. A pretreatment component is provided in the pretreatment device, and an adsorption component can be used to adsorb impurities and pollutants in the wastewater. The adsorption component can be relied on for efficient adsorption, and the adsorption efficiency is further improved. A discharge device is provided in the discharge system, and a treatment tank is provided in the discharge device. The treatment tank can be used for efficient adsorption of waste residues. Wastewater impact-type passes through the adsorption silo inside the treatment tank, so that impurities are adsorbed, and the efficiency of discharge treatment is also guaranteed.

Description

Technical Field

[0001] The utility model relates to a discharge processing system, in particular to a desulfurization wastewater zero discharge system. Background Art

[0002] The desulfurization wastewater discharged from coal-fired power plants is very large. The desulfurization wastewater contains a large amount of suspended solids, heavy metals, chlorides, sulfates, ammonia nitrogen, nitrates and other harmful substances. The discharge system can be used to effectively treat the wastewater. A large amount of desulfurization wastewater will be generated during the desulfurization process. The impurities contained in the wastewater mainly include suspended solids, supersaturated sulfites, sulfates and heavy metals, which are difficult to handle. These impurities need to be adsorbed through multiple adsorption processes.

[0003] CN201720402568.5 A zero-emission system for desulfurization wastewater with by-products being recycled in the factory. The utility model discloses a zero-emission system for desulfurization wastewater with by-products being recycled in the factory, comprising a flue gas desulfurization system, a zero-emission pretreatment device for desulfurization wastewater and a zero-emission deep treatment system for desulfurization wastewater: the flue gas desulfurization system comprises a desulfurization tower, a gypsum cyclone, a vacuum belt dehydrator, a wastewater cyclone and a reflux water tank; the zero-emission pretreatment device for desulfurization wastewater comprises a raw water pool, a primary reaction box, a primary clarifier, a secondary reaction box, a secondary clarifier and a clean water tank connected in sequence; the zero-emission deep treatment system for desulfurization wastewater comprises an ultrafiltration, a pH adjustment box, a nanofiltration, a nanofiltration water tank, reverse osmosis, a concentrated water tank and a concentrated brine electrolyte sodium hypochlorite device connected in sequence.

[0004] In the existing technology, the by-products produced in the desulfurization wastewater zero-emission system are separated according to different components and combined with the original water treatment system of the power plant to turn waste into treasure and realize the resource utilization of by-products in the plant. However, when the wastewater is finally treated, it cannot be filtered efficiently, and the efficiency of the wastewater passing through the treatment system is low during filtration. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a desulfurization wastewater zero discharge system.

[0006] The utility model is implemented by the following technical scheme: a desulfurization wastewater zero discharge system is provided with a pretreatment device and a discharge device, the pretreatment device is provided with a water inlet, the water inlet and the wastewater conveying pipeline are connected with each other, a pretreatment component is provided in the pretreatment device, the pretreatment component is a pretreatment plate, an adsorption component is provided on the pretreatment plate, the adsorption component is a particulate adsorption sheet, a connecting pipe is provided beside the pretreatment device, the connecting pipe is equipped with a discharge device, a treatment tank is provided in the discharge device, a water seepage hole is provided on the treatment tank, an assembly platform is provided at the bottom of the treatment tank, and a discharge pipe is provided at the bottom of the discharge device.

[0007] The discharge device is a discharge box, a discharge space is arranged inside the discharge box, and an assembly platform is arranged in the discharge space.

[0008] A processing tank is placed on the assembly platform. The processing tank and the assembly platform are fixed by bolts. A processing space is arranged in the processing tank.

[0009] An adsorption material bin is arranged in the processing tank, and the adsorption material bin is filled with multiple layers of adsorption material, and the adsorption material is a charcoal filter material adsorption layer.

[0010] The top of the processing tank is provided with a converging component, which is a converging pipe. A top cover plate is provided on the converging pipe, and the top cover plate covers the discharge device.

[0011] Compared with the prior art, the utility model can utilize the adsorption component to adsorb impurities and pollutants in the wastewater when in use, and can rely on the adsorption component for efficient adsorption, and the adsorption efficiency is further improved. A discharge device is provided in the discharge system, and a treatment tank is provided in the discharge device. The treatment tank can be used to efficiently adsorb waste residues, and the wastewater impact-type passes through the adsorption silo inside the treatment tank, so that the impurities are adsorbed, and the efficiency of the discharge treatment is also guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a three-dimensional diagram of the utility model;

[0014] Figure 3 It is a cross-sectional view of the utility model;

[0015] Figure 4 It is a cross-sectional view of the utility model;

[0016] In the figure: 1 is a pretreatment device, 2 is a discharge device, 3 is a water inlet, 4 is a connecting pipe, 5 is a treatment tank, 6 is a water seepage hole, 7 is an assembly platform, 8 is a discharge pipe, 9 is a discharge space, 10 is an adsorption silo, 11 is a confluence pipe, 12 is a top cover plate, and 13 is an adsorption component. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0018] A desulfurization wastewater zero discharge system is provided with a pretreatment device 1 and a discharge device 2, wherein the pretreatment device 1 is provided with a water inlet 3, wherein the water inlet 3 and a wastewater conveying pipeline are connected to each other, wherein a pretreatment component is provided in the pretreatment device 1, wherein the pretreatment component is a pretreatment plate, wherein an adsorption component 13 is provided on the pretreatment plate, wherein the adsorption component 13 is a particle adsorption sheet, wherein a connecting pipe 4 is provided beside the pretreatment device 1, wherein the discharge device 2 is mounted on the connecting pipe 4, wherein a treatment tank 5 is provided in the discharge device 2, wherein a water seepage hole 6 is provided on the treatment tank 5, wherein an assembly platform 7 is provided at the bottom of the treatment tank 5, and wherein a discharge pipe 8 is provided at the bottom of the discharge device 2.

[0019] When wastewater treatment is required, the wastewater can be transported to the pre-treatment device 1 for pretreatment, and then the pretreated wastewater is discharged into the discharge device 2 for secondary treatment. During the secondary treatment, many treatment devices have the problem of low treatment efficiency, so a treatment tank 5 is provided in the discharge device 2, and the treatment tank 5 is used for secondary wastewater impurity adsorption treatment. The discharge device 2 is a discharge box, and a discharge space 9 is provided inside the discharge box. An assembly platform 7 is provided in the discharge space, and a treatment tank 5 is placed on the assembly platform 7. The treatment tank 5 and the assembly platform 7 are fixed by bolts, and a treatment space is provided in the treatment tank 5.

[0020] An adsorption silo 10 is provided in the treatment tank, and the adsorption silo 10 is filled with multiple layers of adsorption material, and the adsorption material is a charcoal filter material adsorption layer. The wastewater can be efficiently adsorbed after passing through the adsorption silo 10 in the treatment tank. At the same time, the wastewater is impacted from top to bottom, and the treatment efficiency of the wastewater is also guaranteed. A confluence component is provided on the top of the treatment tank, and the confluence component can be used to converge the pretreated wastewater to avoid excessive flow and affect the treatment of the wastewater. The pretreated wastewater is converged through the confluence component, and the confluence component is a confluence pipe 11. The confluence pipe 11 can make the flow of the pretreated wastewater controllable. A top cover plate 12 is provided on the confluence pipe 11, and the top cover plate 12 covers the discharge device 2.

[0021] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A desulfurization wastewater zero discharge system, provided with a pretreatment device and a discharge device, the pretreatment device is provided with a water inlet, the water inlet and the wastewater delivery pipeline are connected to each other, a pretreatment component is provided in the pretreatment device, the pretreatment component is a pretreatment plate, an adsorption component is provided on the pretreatment plate, the adsorption component is a particle adsorption sheet, a connecting pipeline is provided next to the pretreatment device, and the connecting pipeline is equipped with a discharge device, characterized in that: A treatment tank is arranged in the discharge device, a water seepage hole is arranged on the treatment tank, an assembly platform is arranged at the bottom of the treatment tank, a discharge pipe is arranged at the bottom of the discharge device, the discharge device is a discharge box, a discharge space is arranged inside the discharge box, an assembly platform is arranged in the discharge space, a treatment tank is placed on the assembly platform, the treatment tank and the assembly platform are fixed by bolts, a treatment space is arranged in the treatment tank, an adsorption silo is arranged in the treatment tank, the adsorption silo is filled with multiple layers of adsorption material, the adsorption material is a charcoal filter material adsorption layer, a confluence component is arranged on the top of the treatment tank, the confluence component is a confluence pipe, a top cover plate is arranged on the confluence pipe, and the top cover plate covers the discharge device.

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