CN217431009U - Quick filtration equipment for domestic sewage treatment - Google Patents

Abstract

The application provides a rapid filtering device for treating domestic sewage, which comprises a filtering barrel, a filter and a filter, wherein the filtering barrel is detachably arranged in a shell, and a cavity is formed between the filtering barrel and the shell; the filtering barrel is provided with a top cover, a first hollow rod vertically penetrates through the top cover and extends into the filtering barrel, the first hollow rod is rotatably connected with the top cover, and the outer peripheral wall and the bottom end of the first hollow rod in the filtering barrel are respectively provided with an impurity brushing assembly; first hollow pole is used for driving a plurality of impurity brushes except that the subassembly brush evenly is provided with a plurality of first through-holes on the perisporium that the first hollow pole of impurity that attaches to in the filtration pore of filter vat is located the filter vat, and first hollow pole is located to run through on the outer lateral wall of filter vat has the exhaust tube, and the one end that the filter vat was kept away from to the exhaust tube links to each other with the fan. The utility model provides a can avoid the filter vat to block up with the inner wall of the thorough desorption filter vat of impurity in the filtration pore of attached to the filter vat, improve domestic sewage's filtration efficiency.

Description

Quick filtration equipment for domestic sewage treatment

Technical Field

The application relates to domestic sewage filtration technology, especially relates to a domestic sewage handles and uses quick filtration equipment.

Background

Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The domestic sewage contains a large amount of impurities such as insoluble substances and pollutants such as organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large amount of pathogenic microorganisms (such as parasitic ova, intestinal infectious viruses and the like), the organic matters existing in the domestic sewage are extremely unstable and easy to decay to generate stink, and bacteria and pathogens can propagate in large quantities by taking the organic matters in the domestic sewage as nutrients, so that infectious diseases are spread and popularized finally. Therefore, the organic substances in the domestic sewage need to be treated before the domestic sewage is discharged, and impurities such as insoluble substances in the domestic sewage need to be filtered before the organic substances in the domestic sewage are treated.

And current domestic sewage filter equipment adopts the filter screen to filter impurity such as the undissolved substance in the domestic sewage, realizes the solid-liquid separation in the domestic sewage, filters the mesh that impurity such as the undissolved substance in the domestic sewage can block up the filter screen after a period for the filtration rate of filter screen reduces, and when the filter screen blocks up seriously, can make the filter screen lose filter capacity completely, changes the filter screen again and can prolong domestic sewage's filter time, and then reduces domestic sewage's filtration efficiency.

SUMMERY OF THE UTILITY MODEL

The application provides a quick filtration equipment for domestic sewage treatment for solve current domestic sewage filter equipment and adopt impurities such as insoluble substance in the filter screen filtration domestic sewage, change the filter screen again after the filter screen blocks up and can prolong domestic sewage's filter time, and then reduce domestic sewage's filtration efficiency's problem.

In order to solve the technical problems, the application adopts the following technical scheme:

a rapid filtering device for domestic sewage treatment comprises a shell, a filtering barrel, a first hollow rod with an opening at the bottom end and an impurity brushing assembly;

the filter barrel is detachably arranged in the shell, a cavity is formed between the filter barrel and the shell, and the cavity is used for gathering domestic sewage filtered by the filter barrel and discharging the domestic sewage from the bottom of the shell;

the filter barrel is provided with a top cover, the first hollow rod vertically penetrates through the top cover and extends into the filter barrel, the first hollow rod is rotatably connected with the top cover, and the outer peripheral wall and the bottom end of the first hollow rod in the filter barrel are respectively provided with the impurity brushing assembly; the first hollow rod is used for driving the impurity brushing assemblies to brush impurities attached to the filter holes of the filter barrel;

the first hollow rod is located a plurality of first through holes are uniformly formed in the peripheral wall of the filter barrel, an air exhaust pipe penetrates through the side wall of the first hollow rod outside the filter barrel, and one end, far away from the filter barrel, of the air exhaust pipe is connected with a fan used for exhausting air in the filter barrel.

Optionally, the impurity brushing assembly at the bottom end of the first hollow rod comprises a first circular brush disc;

the first circular brush disc is communicated with the bottom end of the first hollow rod through a second hollow rod, and is uniformly provided with a plurality of second through holes and first bristles which are abutted against the inner ground surface of the filter barrel and used for brushing impurities in the filter holes attached to the inner ground surface of the filter barrel;

optionally, the impurity brushing assembly of the outer peripheral wall of the first hollow rod comprises a second circular brush disc;

the circular brush dish of second is located through the hollow pole intercommunication of third the inside of filter vat on the perisporium of the hollow pole of first, evenly be provided with a plurality of third through-holes on the circular brush dish of second and with the internal perisporium butt of filter vat and be used for brushing except that attached to the second brush hair of the impurity in the filter hole on the internal perisporium of filter vat.

Optionally, a first gas injection pipe horizontally penetrates through the peripheral wall of the housing, one end of the first gas injection pipe located outside the housing is connected with a first gas pump for generating gas and spraying the generated gas onto the peripheral wall of the filter vat through the first gas injection pipe, and a first check valve is arranged on the first gas injection pipe located outside the housing;

the bottom of casing is vertical to be run through and is provided with the jet-propelled pipe of second, is located the casing is outside the one end of the jet-propelled pipe of second is connected with and is used for producing gas and will produce the gas warp the jet-propelled pipe of second sprays second air pump on the outer bottom surface of filter vat is located the casing is outside be provided with the second check valve on the jet-propelled pipe of second.

Optionally, one end of the first gas injection pipe and one end of the second gas injection pipe, which are located inside the shell, are provided with baffles, and each baffle is evenly provided with a plurality of dispersion holes.

Optionally, the first gas ejector pipe and the second gas ejector pipe are both communicated with the inside of the shell through a sealing ring.

Optionally, a first flange is arranged on the circumferential wall of the top of the filter vat, a second flange is arranged on the inner wall of the opening of the shell, a sliding groove is arranged on the upper surface of the second flange, and a sliding block matched with the sliding groove is arranged on the lower surface of the first flange;

and a push rod for pushing the sliding block to slide along the sliding groove is arranged on the upper surface of the first flange.

Optionally, a flow gathering groove is formed in the inner bottom surface of the shell and used for gathering domestic sewage which enters the cavity after being filtered by the filter barrel.

Optionally, the top cover is further provided with a water inlet pipe, and the water inlet pipe is provided with a first flow regulating valve for regulating the flow of the domestic sewage entering the filter barrel;

the bottom of the shell is provided with a drain pipe, and a second flow regulating valve used for regulating the flow of the filtered domestic sewage flowing out of the cavity is arranged on the drain pipe.

According to the rapid filtering device for treating the domestic sewage, impurities such as insoluble substances in the domestic sewage are filtered through the filtering barrel, and the filtering barrel can be taken out of the shell and is convenient to clean; the first hollow rod drives the impurity brushing and removing component arranged on the peripheral wall and the bottom end of the first hollow rod to brush and rotate, the impurities attached in the filter holes on the filter barrel are brushed away in the rotating process of the impurity brushing assembly, then the air in the cavity and the air in the filter barrel are pumped out from the first through hole on the first hollow rod through the air pumping pipe arranged on the side wall of the first hollow rod positioned outside the filter barrel and the fan connected with the air pumping pipe, so that the impurities on the inner wall of the filter barrel are separated from the filter holes on the filter barrel, thereby thoroughly removing impurities in the filter holes attached on the filter barrel, avoiding the filter holes on the filter barrel from being blocked, improving the filtering efficiency of the domestic sewage, and can take out the filter vat from the casing after filtering a period of time, pour the impurity in the filter vat and wash the filter vat, realize the reuse of filter vat.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a rapid filtering apparatus for domestic sewage treatment according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a filter vat according to another embodiment of the present application;

FIG. 3 is a schematic structural diagram of a first circular brush tray according to another embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a second circular brush tray according to another embodiment of the present disclosure;

FIG. 5 is a schematic structural view of an outer flange and a sliding groove on an inner wall at an opening of a housing according to another embodiment of the present application;

FIG. 6 is a schematic structural view of an outer flange on the peripheral wall of the top of the filter vat according to another embodiment of the present application;

fig. 7 is a top view of an outer flange and a slide block on the peripheral wall of a top portion of a filter basket according to another embodiment of the present application.

In the figure: 100. a housing; 101. a second flange; 1011. a chute; 102. a drain pipe; 1021. a second flow regulating valve; 103. a first gas lance; 1031. a first check valve; 1032. a first air pump; 1033. a baffle plate; 1034. a dispersion hole; 104. a second gas lance; 1041. a second check valve; 1042. a second air pump; 105. a collecting chute; 106. a chamber; 200. a filter vat; 201. a top cover; 202. a water inlet pipe; 2021. a first flow regulating valve; 203. a first flange; 2031. a slider; 2032. a push rod; 204. filtering holes; 300. a first hollow shaft; 301. a first through hole; 302. an air exhaust pipe; 3021. a third check valve; 303. a filter screen; 400. a drive motor; 500. an impurity brushing assembly; 501. a first circular brush plate; 5011. a second through hole; 5012. a first bristle; 5013. a second hollow shaft; 5014. an external thread; 502. a second circular brush plate; 5021. a second bristle; 5022. a third through hole; 5023. a third hollow shaft; 600. a fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. 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 application.

Referring to fig. 1 to 7, a rapid filtering apparatus for domestic sewage treatment includes a housing 100 having an upper opening, a filtering tub 200, a first hollow bar 300 having a bottom opening, and an impurity brushing assembly 500; the filter vat 200 is detachably disposed in the housing 100 and forms a chamber 106 with the housing 100, the chamber 106 is used for collecting the domestic sewage filtered by the filter vat 200 and discharging the filtered domestic sewage from the bottom of the housing 100, wherein the filter vat 200 can be taken out of the housing 100 after the domestic sewage is filtered for a period of time or after the filtering process of the domestic sewage is finished, the impurities in the filter vat 200 are poured out and the filter vat 200 is cleaned, and the filter vat 200 is reused.

The top of the filter vat 200 is provided with a top cover 201, the first hollow rod 300 vertically penetrates through the top cover 201 and extends into the filter vat 200, the first hollow rod 300 can be rotatably connected with the top cover 201 through a bearing, for example, and the outer peripheral wall and the bottom end of the first hollow rod 300 positioned in the filter vat 200 are respectively provided with an impurity brushing assembly 500; the first hollow rod 300 is used for driving the impurity brushing assemblies 500 to brush out impurities attached to the filter holes 204 on the filter vat 200, wherein the top cover 201 is hermetically and detachably connected to the top of the filter vat 200, so that on one hand, the remaining impurities in the air can be prevented from entering the filter vat 200 to increase the filtering burden of the filter vat 200; on the other hand, take off top cap 201 from the top of filter vat 200 the back, can wash first hollow rod 300 and a plurality of impurity brushing subassembly 500, be convenient for filter domestic sewage next time and do not influence filtration efficiency.

Optionally, a driving motor 400 is disposed at the top end of the first hollow rod 300, and the driving motor 400 is used for driving the first hollow rod 300 to rotate and driving the impurity brushing assemblies 500 to brush out impurities in the filtering holes 204 attached to the filtering barrel 200.

The peripheral wall of the first hollow rod 300 inside the filter vat 200 is uniformly provided with a plurality of first through holes 301, the side wall of the first hollow rod 300 outside the filter vat 200 is provided with an air exhaust pipe 302 in a penetrating manner, optionally, the air exhaust pipe 302 is provided with a third check valve 3021, one end of the air exhaust pipe 302 away from the filter vat 200 is communicated with an air suction port of a fan 600 for pumping air in the filter vat 200, wherein the fan 600 sucks air in the chamber 106 and air in the filter vat 200 from the plurality of first through holes 301, so that impurities attached to the filter holes 204 on the filter vat 200 are separated from the filter holes 204, further impurities attached to the filter holes 204 on the filter vat 200 are further removed from the filter holes 204 of the filter vat 200, the blockage of the filter holes 204 is avoided, and the filtering efficiency of domestic sewage is not affected.

Further, a filter screen 303 is arranged inside the first hollow rod, and the purpose of the filter screen 303 is to prevent impurities in the filter vat 200 from being sucked away along with air to block the suction pipe 302 in the process of sucking away air in the cavity 106 and the filter vat 200 by the fan 600, so that the effect of removing the impurities attached to the inner wall of the filter vat 200 by the suction pipe 302 is affected. The purpose of the filter screen 303 is to filter impurities only and allow air to pass through, so the mesh number of the filter screen 303 can be set according to the requirement of the actual filtering process of the domestic sewage, and the application is not limited in detail herein.

In some embodiments, the debris brushing assembly 500 at the bottom end of the first hollow shaft 300 of the present application includes a first circular brush disc 501; the first circular brush disc 501 is communicated with the bottom end of the first hollow rod 300 through the second hollow rod 5013, the first circular brush disc 501 is evenly provided with first bristles 5012 which are abutted to the inner ground of the filter barrel 200 and used for brushing impurities in the filter holes 204 attached to the inner bottom surface of the filter barrel 200, wherein the first bristles 5012 can brush the impurities in the filter holes 204 attached to the inner bottom surface of the filter barrel 200, so that the impurities are prevented from being adhered to the filter holes 204 on the inner bottom surface of the filter barrel 200, and the filtering effect of the filter barrel 200 is further influenced. The first brush 5012 is made of a high temperature resistant and corrosion resistant material, and the number and diameter of each first brush 5012 are set according to the actual domestic sewage filtering process, which is not specifically limited herein. In addition, a plurality of second through holes 5011 are uniformly formed in the first circular brush plate 501, and the second through holes 5011 are arranged so that when the blower 600 pumps air out of the filter vat 200, a part of impurities in the filter holes 204 of the filter vat 200 can be adhered to the first bristles 5012 and gaps between adjacent first bristles 5012.

In some embodiments, the contaminant brush assembly 500 of the peripheral wall of the first hollow shaft 300 herein includes a second circular brush disc 502; the second circular brush discs 502 are communicated with the circumferential wall of the first hollow rod 300 positioned inside the filter vat 200 through a third hollow rod 5023, and each second circular brush disc 502 is uniformly provided with second bristles 5021 which are abutted against the inner circumferential wall of the filter vat 200 and used for brushing impurities in the filter holes 204 attached to the inner circumferential wall of the filter vat 200, wherein the second bristles 5021 can brush the impurities in the filter holes 204 attached to the inner circumferential wall of the filter vat 200, so that the influence of the impurities adhered to the filter holes 204 on the inner circumferential wall of the filter vat 200 on the filtering effect of the filter vat 200 is avoided. The second bristles 5021 are made of high-temperature-resistant and corrosion-resistant materials, the number and the diameter of each second bristle 5021 are set according to the condition of the actual domestic sewage filtering process, and the second bristles 5021 are not specifically limited herein. A plurality of third through holes 5022 are uniformly formed in each second circular brush disc 502, and the third through holes 5022 are arranged so that when the fan 600 draws air out of the filter vat 200, part of impurities in the filter holes 204 of the filter vat 200 are adhered to the second bristles 5021 and gaps between adjacent second bristles 5021.

In some embodiments, a first gas injection pipe 103 is horizontally arranged on the peripheral wall of the housing 100 in a penetrating manner, one end of the first gas injection pipe 103 located outside the housing 100 is connected with a first gas pump 1032 for generating gas and spraying the generated gas on the peripheral wall of the filter barrel 200 through the first gas injection pipe 103, and a first check valve 1031 is arranged on the first gas injection pipe 103 located outside the housing 100.

The bottom of the casing 100 is vertically provided with a second gas injection pipe 104 in a penetrating manner, one end of the second gas injection pipe 104 positioned outside the casing 100 is connected with a second gas pump 1042 used for generating gas and spraying the generated gas on the outer bottom surface of the filter vat 200 through the second gas injection pipe 104, and the second gas injection pipe 104 positioned outside the casing 100 is provided with a second check valve 1041.

In the above embodiment, the air provided by the first air pump 1032 is ejected to the peripheral wall of the filter vat 200 through the first air injection pipe 103, the air provided by the second air pump 1042 is ejected to the outer bottom surface of the filter vat 200 through the second air injection pipe 104, and the combination of the first air pump 1032, the first air injection pipe 103, the second air pump 1042 and the second air injection pipe 104 enables the impurities attached to the filter vat 200 in the filter holes 204 to be separated from the filter holes 204 quickly, so as to avoid blocking the filter holes 204 on the filter vat 200, accelerate the rate of filtering domestic sewage by the filter vat 200, and improve the filtering effect of the filter vat 200.

In addition, the number and the pipe diameter of the first gas injection pipes 103 and the number and the pipe diameter of the second gas injection pipes 104 are determined according to the height and the diameter of the filter vat 200, so that the impurities attached to the filter vat 200 in the filter holes 204 are washed away as much as possible by the gas passing through the first gas injection pipes 103 and the gas passing through the second gas injection pipes 104, and the filter holes 204 of the filter vat 200 are prevented from being blocked by the impurities.

In some embodiments, the baffle 1033 is disposed at one end of the first gas injection pipe 103 inside the housing 100 and one end of the second gas injection pipe 104 inside the housing 100, and a plurality of dispersion holes 1034 are uniformly disposed on each baffle 1033, wherein the dispersion holes 1034 are used to uniformly spray the gas passing through the first gas injection pipe 103 on the outer circumferential wall of the filter vat 200 and increase the spraying area of the gas, and to uniformly spray the gas passing through the second gas injection pipe 104 on the outer bottom surface of the filter vat 200 and increase the spraying area of the gas, so as to flush away impurities attached to the inner circumferential wall and the inner bottom surface of the filter vat 200, thereby not blocking the filter holes 204 of the filter vat 200 and ensuring the filtering efficiency of the filter vat.

In some embodiments, the first gas injection pipe 103 and the second gas injection pipe 104 in the present application are both communicated with the inside of the housing 100 through a sealing ring, wherein the sealing ring is disposed to enable the inside of the housing 100 to be always in a sealed state, so as to prevent the domestic sewage filtered by the filtering barrel 200 from leaking, and ensure the air suction effect of the fan 600.

In some embodiments, a first flange 203 is disposed on a circumferential wall of a top of the filter vat 200 in the present application, a second flange 101 is disposed on an inner wall of an opening of the housing 100, a sliding groove 1011 is disposed on an upper surface of the second flange 101, a slider 2031 matched with the sliding groove 1011 is disposed on a lower surface of the first flange 203, and a push rod 2032 for pushing the slider 2031 to slide along the sliding groove 1011 is disposed on the upper surface of the first flange 203, so that the filter vat 200 can be shaken during a process that the slider 2031 slides along the sliding groove 1011, and a part of impurities attached to the filter vat 200 in the filter holes 204 is separated from the filter holes 204, thereby further ensuring a filtering effect of the filter vat 200.

In some embodiments, the inner bottom surface of the housing 100 of the present application is provided with a collecting groove 105, wherein the collecting groove 105 is in an inverted frustum shape and is used for collecting the domestic sewage filtered by the filtering barrel 200 and then entering the chamber 106, and the inverted frustum-shaped collecting groove 105 can rapidly collect the domestic sewage and rapidly discharge the domestic sewage from the bottom of the housing 100.

In some embodiments, the top cover 201 of the present application is further provided with a water inlet pipe 202, and the water inlet pipe 202 is provided with a first flow regulating valve 2021 for regulating the flow of the domestic sewage entering the filter vat 200; the bottom of the housing 100 is provided with a drain pipe 102, and the drain pipe 102 is provided with a second flow regulating valve 1021 for regulating the flow of the domestic sewage flowing out of the chamber 106.

In the actual filtering process of the domestic sewage, when the filtering barrel 200, the first hollow rod 300 and the plurality of impurity brushing assemblies 500 need to be cleaned, the first flow regulating valve 2021 on the water inlet pipe 202 is closed, the second flow regulating valve 1021 on the water outlet pipe 102 is opened, so that the domestic sewage entering the filtering barrel 200 enters the chamber 106 and is discharged from the water outlet pipe 102 after being filtered as much as possible, when the filtered domestic sewage is discharged, the filtering barrel 200 is taken out from the inside of the shell 100, the top cover 201 is taken out from the top of the filtering barrel 200, and the filtering barrel 200, the first hollow rod 300 and the plurality of impurity brushing assemblies 500 are cleaned.

The application provides a domestic sewage treatment is with quick filtration equipment's theory of use specifically as follows:

1) after all the parts in the rapid filtering equipment for treating the domestic sewage are installed, a first flow regulating valve 2021 and a second flow regulating valve 1021 are opened, the domestic sewage is introduced into a water inlet pipe 202, the domestic sewage is filtered through filtering holes 204 on a filtering barrel 200, the filtered domestic sewage is discharged from a water outlet pipe 102, meanwhile, a driving motor 400 is opened, a first hollow rod 300 is driven to rotate through the driving motor 400, a first circular brush disc 501 and a second circular brush disc 502 are driven to rotate, impurities attached to the filtering holes 204 on the inner bottom surface of the filtering barrel 200 are brushed away through first bristles 5012 on the first circular brush disc 501, and impurities attached to the filtering holes 204 on the inner peripheral wall of the filtering barrel 200 are brushed away through second bristles 5021 on the second circular brush disc 502;

2) the first flow regulating valve 2021 is closed, when the domestic sewage filtered by the filter barrel 200 is completely discharged, the second flow regulating valve 1021 and the driving motor 400 are closed, the third check valve 3021 and the fan 600 are opened, the air in the chamber 106 and the filter barrel 200 is evacuated, impurities attached to the filter holes 204 of the filter barrel 200 are pumped out of the filter holes 204, the first air pump 1032, the first check valve 1031, the second air pump 1042 and the second check valve 1041 are sequentially opened, and the impurities clamped in the filter holes 204 of the filter barrel 200 are further blown out of the filter holes 204 by introducing air to the outer peripheral wall and the outer bottom surface of the filter barrel 200, so that the filter holes 204 on the filter barrel 200 are prevented from being blocked by the impurities, and the filtering effect of the filter barrel 200 is prevented from being influenced.

3) After the domestic sewage filtering process is finished, the suction pipe 302 is taken down from the first hollow rod 300, the filter barrel 200 is taken out from the inside of the housing 100, the top cover 201 is taken down from the top of the filter barrel 200, and the filter barrel 200, the first hollow rod 300, the second hollow rod 5013, the first circular brush holder 501, the first bristles 5012, the third hollow rod 5023, the second circular brush holder 502 and the second bristles 5021 are cleaned.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; 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 application.

Claims (9)

1. The rapid filtering equipment for treating the domestic sewage is characterized by comprising a shell (100), a filtering barrel (200), a first hollow rod (300) with an opening at the bottom end and an impurity brushing assembly (500);

the filter barrel (200) is detachably arranged in the shell (100) and forms a chamber (106) with the shell (100), and the chamber (106) is used for gathering the domestic sewage filtered by the filter barrel (200) and discharging the domestic sewage from the bottom of the shell (100);

the filter barrel (200) is provided with a top cover (201), the first hollow rod (300) vertically penetrates through the top cover (201) and extends into the filter barrel (200), the first hollow rod (300) is rotatably connected with the top cover (201), and the peripheral wall and the bottom end of the first hollow rod (300) in the filter barrel (200) are respectively provided with the impurity brushing-off assembly (500); the first hollow rod (300) is used for driving the impurity brushing assemblies (500) to brush out impurities attached to the filtering holes (204) of the filtering barrel (200);

the peripheral wall of the first hollow rod (300) in the filter barrel (200) is uniformly provided with a plurality of first through holes (301), the side wall of the first hollow rod (300) outside the filter barrel (200) is provided with an air exhaust pipe (302) in a penetrating manner, and one end, far away from the filter barrel (200), of the air exhaust pipe (302) is connected with a fan (600) used for exhausting air in the filter barrel (200).

2. The rapid filtering apparatus for domestic sewage treatment according to claim 1, wherein the impurity brushing assembly (500) at the bottom end of the first hollow bar (300) comprises a first circular brush plate (501);

first circular brush dish (501) are in through hollow pole (5013) intercommunication of second the bottom of first hollow pole (300), evenly be provided with a plurality of second through-holes (5011) on first circular brush dish (501) and with the interior bottom surface butt of filter vat (200) just is used for brushing the first brush hair (5012) of the impurity of removing the attached to in filtration pore (204) on the bottom surface in filter vat (200).

3. The rapid filtering apparatus for domestic sewage treatment according to claim 1, wherein the impurity brushing means (500) of the outer peripheral wall of the first hollow bar (300) comprises a second circular brush plate (502);

the second circular brush disc (502) is communicated with the peripheral wall of the first hollow rod (300) positioned in the filtering barrel (200) through a third hollow rod (5023), and a plurality of third through holes (5022) and second bristles (5021) which are abutted against the inner peripheral wall of the filtering barrel (200) and used for brushing impurities in the filtering holes (204) attached to the inner peripheral wall of the filtering barrel (200) are uniformly arranged on the second circular brush disc (502).

4. The rapid filtering apparatus for domestic sewage treatment according to claim 1, wherein a first gas injection pipe (103) horizontally penetrates the peripheral wall of the housing (100), a first gas pump (1032) for generating gas and spraying the generated gas on the peripheral wall of the filtering barrel (200) through the first gas injection pipe (103) is connected to one end of the first gas injection pipe (103) located outside the housing (100), and a first check valve (1031) is arranged on the first gas injection pipe (103) located outside the housing (100);

the bottom of casing (100) is vertical to be provided with second gas-jet pipe (104) through, is located casing (100) outside the one end of second gas-jet pipe (104) is connected with and is used for producing gas and will produce the gas warp second gas-jet pipe (104) spray second air pump (1042) on the outer bottom surface of filter vat (200) are located the casing is outside be provided with second check valve (1041) on second gas-jet pipe (104).

5. The rapid filtering apparatus for domestic sewage treatment according to claim 4, wherein one end of the first gas injection pipe (103) located inside the housing (100) and one end of the second gas injection pipe (104) located inside the housing (100) are each provided with a baffle plate (1033), and each baffle plate (1033) is uniformly provided with a plurality of dispersion holes (1034).

6. The rapid filtering apparatus for domestic sewage treatment according to claim 5, wherein said first gas injection pipe (103) and said second gas injection pipe (104) are both in communication with the inside of said housing (100) through a sealing ring.

7. The rapid filtering apparatus for treating domestic sewage according to claim 1, wherein a first flange (203) is provided on a circumferential wall of a top of the filtering barrel (200), a second flange (101) is provided on an inner wall of an opening of the housing (100), a sliding groove (1011) is provided on an upper surface of the second flange (101), and a sliding block (2031) matched with the sliding groove (1011) is provided on a lower surface of the first flange (203);

the upper surface of the first flange (203) is provided with a push rod (2032) for pushing the slide block (2031) to slide along the sliding chute (1011).

8. The rapid filtering apparatus for domestic sewage treatment according to claim 1, wherein a collecting tank (105) is provided on an inner bottom surface of the housing (100), the collecting tank (105) being used for collecting the domestic sewage filtered by the filtering barrel (200) and then entering the chamber (106).

9. The rapid filtering apparatus for domestic sewage treatment according to any one of claims 1 to 8, wherein the top cover (201) is further provided with a water inlet pipe (202), and the water inlet pipe (202) is provided with a first flow regulating valve (2021) for regulating the flow of the domestic sewage entering the filter tank (200);

the bottom of the shell (100) is provided with a drain pipe (102), and the drain pipe (102) is provided with a second flow regulating valve (1021) for regulating the flow of the filtered domestic sewage flowing out of the chamber (106).

Images