阅读说明：本技术 一种便于加工的泵体结构 (Pump body structure convenient to processing ) 是由 高全营 于 2020-04-30 设计创作，主要内容包括：本发明涉及一种便于加工的泵体结构,包括泵本体,所述泵本体的两端分别设置进水口和出水口,所述泵本体内设置动力组件,所述出水口处设置排污滤网,所述排污滤网倾斜设置,所述排污滤网上设置氧化石墨烯吸附膜。本发明提供的泵体结构通过在泵体内加入设置氧化石墨烯吸附膜的滤网,氧化石墨烯吸附膜可以对污水中的有机物、重金属和染料进行吸附,并且吸附效率远高于其他吸附材料,此外,通过将氧化石墨烯引入环氧树脂制备成膜,该膜的拉伸强度和断裂伸长率良好,在污水中不易破损。(The invention relates to a pump body structure convenient to process, which comprises a pump body, wherein a water inlet and a water outlet are respectively formed in two ends of the pump body, a power assembly is arranged in the pump body, a sewage discharge filter screen is arranged at the water outlet, the sewage discharge filter screen is obliquely arranged, and a graphene oxide adsorption film is arranged on the sewage discharge filter screen. According to the pump body structure provided by the invention, the filter screen provided with the graphene oxide adsorption film is added in the pump body, the graphene oxide adsorption film can adsorb organic matters, heavy metals and dyes in sewage, the adsorption efficiency is far higher than that of other adsorption materials, in addition, the graphene oxide is introduced into epoxy resin to prepare a film, the film has good tensile strength and elongation at break, and the film is not easy to damage in sewage.)

1. The utility model provides a pump body structure convenient to processing, includes the pump body, the pump body is L shape structure, the both ends of pump body set up water inlet and delivery port respectively, this internal power component that sets up of pump, power component includes driving motor, derailleur and flowing back impeller, driving motor is connected with the derailleur and driving motor and derailleur all set up on the shell body of pump body, the derailleur is connected with the pivot, the pivot stretches into this internal drainage impeller of pump is connected, its characterized in that, delivery port department sets up the blowdown filter screen, the slope of blowdown filter screen sets up, set up the graphite oxide adsorption film on the blowdown filter screen.

2. The pump body structure convenient to process according to claim 1, wherein a protective filter screen is arranged in the pump body, the protective filter screen is arranged obliquely, and the protective filter screen is arranged outside the liquid discharge impeller.

3. The pump body structure convenient to process as claimed in claim 1, wherein the water outlet is provided with a dirt collection area, the upper end of the sewage discharge filter screen is connected with the upper wall of the water outlet, and the lower end of the sewage discharge filter screen is connected with the bottom of the dirt collection area.

4. The pump body structure convenient to process as claimed in claim 1, wherein the dirt collection area is provided with a sewage discharge outlet.

5. The pump body structure of claim 2, wherein the protective screen and the blow-down screen are both stainless steel mesh structures.

6. The pump body structure convenient to process according to claim 1, wherein the graphene oxide adsorption film is prepared by the following method:

(1) preparing graphene oxide: taking concentrated sulfuric acid, carrying out ice bath, stirring, adding graphite flakes and sodium nitrate, slowly adding potassium permanganate, continuing to react, heating to react for 2 hours, slowly adding deionized water, heating to 98 ℃, continuing to react for 1 hour until the reaction liquid is brown yellow, adding hydrogen peroxide with mass fraction, stirring to react for 0.5 hour until the reaction liquid is bright yellow, carrying out suction filtration, fully washing a filter cake with dilute hydrochloric acid and deionized water in sequence, carrying out vacuum drying to obtain graphite oxide, taking graphite oxide, adding deionized water, carrying out ultrasonic dispersion, carrying out centrifugal separation, taking a supernatant, removing residual graphite oxide, and carrying out vacuum drying to obtain graphene oxide.

(2) Preparing a graphene oxide adsorption film: taking graphene oxide, ultrasonically dispersing the graphene oxide in acetone for later use, taking epoxy resin, heating in a water bath, adding the graphene oxide dispersion liquid, fully stirring, ultrasonically dispersing, placing in a vacuum box, vacuumizing, taking out after acetone is volatilized, adding a curing agent, namely phenolic amine, stirring, pouring into a mold, and curing by adopting a step curing method to obtain the graphene oxide adsorption film.

7. The pump body structure convenient to machine according to claim 6, wherein the detailed steps in the step (1) are as follows: preparing graphene oxide: placing 100mL of concentrated sulfuric acid with the mass fraction of 98% in a beaker, carrying out ice bath, stirring, adding 5g of graphite flakes and 2.5g of sodium nitrate, slowly adding 15g of potassium permanganate, continuously reacting for 1h, heating to (35 +/-5) DEG C, reacting for 2h, slowly adding 250mL of deionized water, heating to about 98 ℃, continuously reacting for 1h until the reaction liquid is brownish yellow, adding 50mL of hydrogen peroxide with the mass fraction of 30%, stirring and reacting for 0.5h until the reaction liquid is bright yellow, carrying out suction filtration, fully washing filter cakes with dilute hydrochloric acid and deionized water in sequence, carrying out vacuum drying at (65 +/-5) DEG C for 24h to obtain graphite oxide, placing 0.5g of graphite oxide in a conical flask, adding 500mL of deionized water, carrying out ultrasonic dispersion, carrying out centrifugal separation, taking supernate and removing residual graphite oxide, and carrying out vacuum drying at (80 +/-5) DEG C for 24h to obtain graphene oxide.

8. The pump body structure convenient to machine according to claim 6, wherein the detailed steps in the step (2) are: preparing a graphene oxide adsorption film: taking a proper amount of graphene oxide, ultrasonically dispersing the graphene oxide in 50mL of acetone for later use, taking 10g of epoxy resin, placing the epoxy resin in a beaker, heating in a water bath at 80 +/-5 ℃ for 15min, adding the graphene oxide dispersion, fully stirring for 1h, ultrasonically dispersing for 2h, placing the mixture in a vacuum box at 80 ℃ for vacuumizing, taking out the mixture after the acetone is volatilized, adding 1g of curing agent phenolic aldehyde amine, stirring for 30min, pouring the mixture into a mold, and adopting a step curing method: 60 ℃ for 2 h; 10h at 80 ℃; and (5) obtaining the graphene oxide adsorption film at 120 ℃ for 12 h.

Technical Field

The invention belongs to the technical field of novel sewage pumps, and particularly relates to a pump body structure convenient to process.

Background

The sewage pump belongs to one of centrifugal impurity pumps, and has various forms: such as a submersible sewage pump and a dry sewage pump, the most common submersible sewage pump is a QW type submersible sewage pump, the most common dry sewage pump is a W type horizontal sewage pump and a WL type vertical sewage pump, the submersible sewage pump is mainly used for conveying a medium containing solid particles such as fiber, paper scraps and the like in municipal sewage, excrement or liquid, and the temperature of the conveyed medium is usually not more than 80 ℃. The conveyed medium contains fiber matter easy to twine or bunch. Therefore, the flow passage of the pump is easy to block, once the pump is blocked, the pump cannot work normally, and even the motor is burnt, so that the sewage discharge is not smooth. Bringing serious influence to city life and environmental protection. Therefore, the anti-clogging property and the reliability are important factors for the quality of the sewage pump.

The existing sewage pump does not have the function of adsorbing organic matters and heavy metals in water.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a pump body structure convenient to process, which comprises a pump body, wherein the pump body is of an L-shaped structure, a water inlet and a water outlet are respectively formed in two ends of the pump body, a power assembly is arranged in the pump body and comprises a driving motor, a transmission and a liquid discharge impeller, the driving motor is connected with the transmission, the driving motor and the transmission are both arranged on an outer shell of the pump body, the transmission is connected with a rotating shaft, the rotating shaft extends into the pump body and is connected with the liquid discharge impeller, a sewage discharge filter screen is arranged at the water outlet and is obliquely arranged, and a graphene oxide adsorption film is arranged on the sewage discharge filter screen.

Preferably, this internal protection filter screen that sets up of pump, protection filter screen slope sets up, protection filter screen sets up the outside of flowing back impeller.

In any of the above schemes, it is preferable that the outlet is provided with a sewage collection area, the upper end of the sewage discharge filter screen is connected with the upper wall of the outlet, the lower end of the sewage discharge filter screen is connected with the bottom of the sewage collection area, it is preferable that the sewage collection area is provided with a sewage discharge outlet

In any of the above schemes, preferably, the protection filter screen and the sewage discharge filter screen are both stainless steel mesh grid structures

The invention also provides a preparation method of the graphene oxide adsorption film, which comprises the following steps:

(1) preparing graphene oxide: taking concentrated sulfuric acid, carrying out ice bath, stirring, adding graphite flakes and sodium nitrate, slowly adding potassium permanganate, continuing to react, heating to react for 2 hours, slowly adding deionized water, heating to 98 ℃, continuing to react for 1 hour until the reaction liquid is brown yellow, adding hydrogen peroxide with mass fraction, stirring to react for 0.5 hour until the reaction liquid is bright yellow, carrying out suction filtration, fully washing a filter cake with dilute hydrochloric acid and deionized water in sequence, carrying out vacuum drying to obtain graphite oxide, taking graphite oxide, adding deionized water, carrying out ultrasonic dispersion, carrying out centrifugal separation, taking a supernatant, removing residual graphite oxide, and carrying out vacuum drying to obtain graphene oxide.

(2) Preparing a graphene oxide adsorption film: taking graphene oxide, ultrasonically dispersing the graphene oxide in acetone for later use, taking epoxy resin, heating in a water bath, adding the graphene oxide dispersion liquid, fully stirring, ultrasonically dispersing, placing in a vacuum box, vacuumizing, taking out after acetone is volatilized, adding a curing agent, namely phenolic amine, stirring, pouring into a mold, and curing by adopting a step curing method to obtain the graphene oxide adsorption film.

In any of the above schemes, the detailed steps in step (1) are preferably: preparing graphene oxide: placing 100mL of concentrated sulfuric acid with the mass fraction of 98% in a beaker, carrying out ice bath, stirring, adding 5g of graphite flakes and 2.5g of sodium nitrate, slowly adding 15g of potassium permanganate, continuously reacting for 1h, heating to (35 +/-5) DEG C, reacting for 2h, slowly adding 250mL of deionized water, heating to about 98 ℃, continuously reacting for 1h until the reaction liquid is brownish yellow, adding 50mL of hydrogen peroxide with the mass fraction of 30%, stirring and reacting for 0.5h until the reaction liquid is bright yellow, carrying out suction filtration, fully washing filter cakes with dilute hydrochloric acid and deionized water in sequence, carrying out vacuum drying at (65 +/-5) DEG C for 24h to obtain graphite oxide, placing 0.5g of graphite oxide in a conical flask, adding 500mL of deionized water, carrying out ultrasonic dispersion, carrying out centrifugal separation, taking supernate and removing residual graphite oxide, and carrying out vacuum drying at (80 +/-5) DEG C for 24h to obtain graphene oxide.

In any of the above schemes, the detailed steps in step (2) are preferably: preparing a graphene oxide adsorption film: taking a proper amount of graphene oxide, ultrasonically dispersing the graphene oxide in 50mL of acetone for later use, taking 10g of epoxy resin, placing the epoxy resin in a beaker, heating in a water bath at the temperature of 80 +/-5 ℃ for 15min, adding the graphene oxide dispersion, fully stirring for 1h, ultrasonically dispersing for 2h, placing the mixture in a vacuum box at the temperature of 80 ℃, vacuumizing, taking out the mixture after the acetone is volatilized, adding 1g of curing agent phenolic aldehyde amine, stirring for 30min, pouring the mixture into a mold, and adopting a step curing method: 60 ℃ for 2 h; 10h at 80 ℃; and (5) obtaining the graphene oxide adsorption film at 120 ℃ for 12 h.

The invention has the beneficial effects that: according to the pump body structure provided by the invention, the filter screen provided with the graphene oxide adsorption film is added in the pump body, the graphene oxide adsorption film can adsorb organic matters, heavy metals and dyes in sewage, the adsorption efficiency is far higher than that of other adsorption materials, in addition, the graphene oxide is introduced into epoxy resin to prepare a film, the film has good tensile strength and elongation at break, and the film is not easy to damage in sewage.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a pump body construction that facilitates machining in accordance with the present invention.

The figures are labeled as follows: 1-a water inlet; 2-water outlet; 3-driving a motor; 4-a transmission; 5-a rotating shaft; 6-a liquid discharge impeller; 7-protecting the filter screen; 8-a sewage draining filter screen; 9-a dirt accumulation area; and 10-a sewage draining outlet.

Detailed Description

In order that the invention may be further understood, the invention will now be described in detail with reference to specific examples.

As shown in fig. 1, the invention provides a pump body structure convenient to process, which comprises a pump body, wherein the pump body is of an L-shaped structure, a water inlet 1 and a water outlet 2 are respectively arranged at two ends of the pump body, the water inlet 1 is used for feeding liquid, the water outlet 2 is used for discharging liquid, a power assembly is arranged in the pump body and used for providing power for feeding liquid and discharging liquid, the power assembly comprises a driving motor 3, a transmission 4 and a liquid discharge impeller 6, the driving motor 3 is connected with the transmission 4, the driving motor 3 and the transmission 4 are both arranged on an outer shell of the pump body, the transmission 4 is connected with a rotating shaft 5, the rotating shaft 5 extends into the pump body and is connected with the liquid discharge impeller 6, and the liquid discharge impeller 6, the transmission 4 and the driving motor 3 are arranged, so that when in use, the driving motor 3 drives the rotating shaft 5 to rotate through the, the high-speed rotation of the liquid discharge impeller 6 is realized, liquid inlet and liquid discharge are realized, meanwhile, the blockage phenomenon is not easy to occur, but the sewage contains a lot of large-particle hard objects which are easy to damage the liquid discharge impeller 6, aiming at the problem, the invention is provided with the protection component for protecting the liquid discharge impeller 6, specifically, the pump body is internally provided with the protection filter screen 7, the protection filter screen 7 is obliquely arranged, the protection filter screen 7 is arranged at the outer side of the liquid discharge impeller 6, the protection filter screen 7 can protect the liquid discharge impeller 6 and prevent the large-particle hard objects in the sewage from contacting the liquid discharge impeller 6, the water outlet 2 is provided with the sewage discharge filter screen 8, the sewage discharge filter screen 8 is obliquely arranged, the sewage discharge filter screen 8 can block the large-particle hard objects in the sewage, and the water outlet 2 is provided with the sewage collecting area 9, the upper end of blowdown filter screen 8 with the wall connection of delivery port 2, the lower extreme of blowdown filter screen 8 with gather the bottom of dirty district 9 and connect, the blowdown filter screen 8 that the slope set up can intercept the large granule in the sewage, it sets up drain 10 to gather dirty district 8, drain 10 can be with large granule discharge in the sewage, protection filter screen 7 and blowdown filter screen 8 are stainless steel grid structure, set up the graphene oxide adsorption film on the blowdown filter screen 8, the preparation method of graphene oxide adsorption film is as follows:

(1) preparing graphene oxide: placing 100mL of concentrated sulfuric acid with the mass fraction of 98% in a beaker, carrying out ice bath, stirring, adding 5g of graphite flakes and 2.5g of sodium nitrate, slowly adding 15g of potassium permanganate, continuously reacting for 1h, heating to (35 +/-5) DEG C, reacting for 2h, slowly adding 250mL of deionized water, heating to about 98 ℃, continuously reacting for 1h until the reaction liquid is brownish yellow, adding 50mL of hydrogen peroxide with the mass fraction of 30%, stirring and reacting for 0.5h until the reaction liquid is bright yellow, carrying out suction filtration, fully washing filter cakes with dilute hydrochloric acid and deionized water in sequence, carrying out vacuum drying at (65 +/-5) DEG C for 24h to obtain graphite oxide, placing 0.5g of graphite oxide in a conical flask, adding 500mL of deionized water, carrying out ultrasonic dispersion, carrying out centrifugal separation, taking supernate and removing residual graphite oxide, and carrying out vacuum drying at (80 +/-5) DEG C for 24h to obtain graphene oxide.

(2) Preparing a graphene oxide adsorption film: ultrasonically dispersing a proper amount of graphene oxide in 50mL of acetone for later use, placing EP10g in a beaker, heating in a water bath at the temperature of 80 +/-5 ℃ for 15min, adding the graphene oxide dispersion liquid, fully stirring for 1h, ultrasonically dispersing for 2h, placing in a vacuum box at the temperature of 80 ℃ for vacuumizing, taking out after the acetone is volatilized, adding 1g of curing agent phenolic aldehyde amine, stirring for 30min, pouring into a mold, and adopting a step curing method: 60 ℃ for 2 h; 10h at 80 ℃; and (5) obtaining the graphene oxide adsorption film at 120 ℃ for 12 h.

It will be understood by those skilled in the art that a pump body construction of the present invention which facilitates ease of manufacture, including any combination of the inventive aspects and embodiments described in the foregoing description of the invention and illustrated in the accompanying drawings, is not intended to be limited to the details and should not be construed as a limitation upon the embodiments of the invention which are set forth in the following description for the sake of brevity and clarity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.