CN112194321A

CN112194321A - Environment-friendly sewage treatment equipment convenient for replacing filter assembly

Info

Publication number: CN112194321A
Application number: CN202011078121.XA
Authority: CN
Inventors: 潘永桢; 刘贵贵
Original assignee: Zhejiang Zhongxun Environmental Protection Technology Co Ltd
Current assignee: Xinjiang Terras Environmental Management Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-01-08
Anticipated expiration: 2040-10-10
Also published as: CN112194321B

Abstract

The invention discloses environment-friendly sewage treatment equipment convenient for replacing a filtering component, and relates to the technical field of sewage treatment. This environmental protection sewage treatment device convenient to change filtering component, including the ground, the top fixed mounting of ground has the bilge channel, and the top of ground is provided with the water purification case, and the bottom fixed mounting of water purification case has the support column, the bottom of support column and the top fixed mounting of ground, and one side fixed mounting of bilge channel has the water purification case. This environmental protection sewage treatment device convenient to change filtering component uses through the axis of rotation, live-rollers, rotating band, the cooperation of salvaging otter board and first motor, salvages the impurity in the sewage canal, reduces impurity and the diaphragm plate contact that permeates water, reduces impurity more and blocks up the diaphragm plate that permeates water, also reduces artifical intensity of labour who salvages, uses through the hang plate and the cooperation of collection box, guides and collects impurity, further strengthens handling in the sewage.

Description

Environment-friendly sewage treatment equipment convenient for replacing filter assembly

Technical Field

The invention relates to the technical field of sewage treatment, in particular to environment-friendly sewage treatment equipment convenient for replacing a filtering component.

Background

The sewage is treated by a physical, biological and chemical combined method in order to ensure that the sewage reaches the water quality of being discharged into a certain water body or reused, the filtering components of the sewage treatment device in the market at present are simple, impurities in the filtering cannot be removed in time, the filtering components need to be replaced or cleaned after long-time use, the replacement difficulty of part of the components is high, and in chemical treatment, the put chemical agent cannot fully perform oxidation reduction reaction with organic matters and heavy metal ions in the sewage.

Disclosure of Invention

The invention aims to provide environment-friendly sewage treatment equipment convenient for replacing a filtering component so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly sewage treatment device convenient for replacing a filter assembly comprises a foundation, a sewage channel is fixedly mounted at the top of the foundation, a water purification tank is arranged above the foundation, a support column is fixedly mounted at the bottom of the water purification tank, the bottom of the support column is fixedly mounted with the top of the foundation, a water purification tank is fixedly mounted at one side of the sewage channel, water permeable membrane plates are fixedly mounted on the inner walls of the two sides of the sewage channel, the bottom of the water permeable membrane plates are fixedly mounted with the bottom of the inner side of the sewage channel, an opening is formed in the front side of the sewage channel, an inclined plate is fixedly mounted at the top of the water permeable membrane plates, the front side of the inclined plate is fixedly mounted with the inner wall of the front side of the sewage channel, a collection box is placed at the top of the foundation and is in contact with the outer wall of the front side of the sewage channel, a fishing mechanism is arranged in the sewage channel, a water purification, the suction end fixed mounting of first water absorption pump has first water absorption pipe, the output fixed mounting of first water absorption pump has first outlet pipe, the one end of first water absorption pipe extends to the inside of bilge canal, the one end of first outlet pipe extends to the inside of water purification case, the suction end fixed mounting of second water absorption pump has the second to absorb water the pipe, the output fixed mounting of second water absorption pump has the second outlet pipe, the second absorbs water the one end of pipe and second outlet pipe and all extends to the inside of water purification case, the inside of water purification case is provided with air intake mechanism.

Preferably, the fishing mechanism includes axis of rotation, live-rollers, rotating band, salvages otter board and first motor, and the both sides inner wall fixed mounting of sewer has two sets of axis of rotation, and the outer wall of two sets of axis of rotation all is fixed with the live-rollers, and the outer wall cover of two sets of live-rollers is equipped with the rotating band, and the outer wall fixed mounting of live-rollers has salvages the otter board, and the top fixed mounting of water purification case has first motor, and the output shaft of first motor passes through the inside and the axis of rotation fixed connection that the shaft coupling extends to the.

Preferably, water purification mechanism is including purifying box, purge tube, osmotic membrane, rubber packing ring, purification carbon, filter box and V type filter screen, and the inside of purifying box is provided with the purge tube, and the outer wall cover of purge tube is equipped with four layers of osmotic membranes, and the rubber packing ring has been placed to the top and the bottom of purge tube and osmotic membrane, has placed the purification carbon between osmotic membrane and the purification box, and the filter box has been placed at the top of purifying carbon, and the inboard bottom fixed mounting of filter box has V type filter screen, and the filter box block is installed in purifying the box, and the opening has been seted up to the bottom of filter box, has seted up the hole on.

Preferably, the inboard bottom fixed mounting of water purification case has two sets of spout boards, and the spout has all been seted up admittedly to the adjacent lateral wall of two sets of spout boards, and equal slidable mounting has the slider in the spout, and the top fixed mounting of ground has electric telescopic handle, and electric telescopic handle's free end extends to the inside and fixed mounting of water purification case and has the purification box, the both sides and the slider fixed mounting of purification box.

Preferably, the rabbling mechanism includes puddler, stirring rod and second motor, and the inboard top and the bottom of water purification case are rotated and are installed the puddler, and the outer wall fixed mounting of puddler has the puddler, and the bottom of puddler extends to the bottom of water purification case, and the top fixed mounting of ground has the second motor, and the output shaft of second motor passes through the bottom fixed connection of shaft coupling and puddler.

Preferably, the mechanism of admitting air includes air inlet machine, intake pipe and branch gas tank, and the top fixed mounting of ground has the air inlet machine, and the output fixed mounting of air inlet machine has the intake pipe, and the inboard bottom fixed mounting of water purification case has the branch gas tank, and the air vent has been seted up at the top of branch gas tank, and the one end of intake pipe runs through water purification bottom of the case portion and extends to the inside of dividing the gas tank.

Preferably, one side fixed mounting of water purification case has the drain pipe, and the opposite side fixed mounting of water purification case has drain pipe and filler pipe, and the top fixed mounting of water purification case has blast pipe and feeder hopper, and the one end of drain pipe, blast pipe, feeder hopper and filler pipe all extends to the inside of water purification case, and the apron has been placed at the top of feeder hopper.

Preferably, the front side of the water purification tank is fixedly provided with a ladder stand, the outer surface of the front side of the water purification tank is embedded with transparent glass, the first water outlet pipe, the air inlet pipe, the drain pipe, the exhaust pipe and the water feeding pipe are all provided with one-way valves, one side of the group of chute plates is provided with an opening, and the inclined plates and the horizontal plane are intersected at an included angle of-degree.

Compared with the prior art, the invention has the beneficial effects that:

(1) this environmental protection sewage treatment device convenient to change filtering component uses through the axis of rotation, live-rollers, rotating band, the cooperation of salvaging otter board and first motor, salvages the impurity in the sewage canal, reduces impurity and the contact of the diaphragm plate that permeates water, reduces impurity more and blocks up the diaphragm plate that permeates water, also reduces artifical intensity of labour who salvages, uses through the hang plate and the cooperation of collection box, guides and collects impurity, further strengthens handling in the sewage.

(2) This environmental protection sewage treatment device convenient to change filtering component, through the puddler, the cooperation of puddler and second motor is used, stir evenly sewage and chemical agent, make organic matter and heavy metal in chemical agent and the sewage carry out abundant contact, strengthen the purifying effect to sewage, through purifying box, the purge tube, the osmotic membrane, the rubber packing ring, purify the carbon, the cooperation of filter box and V type filter screen is used, collect the filtration to the flocculent substance that produces behind the redox reaction, further remove the smell in the sewage, strengthen the purification degree of sewage.

(3) This environmental protection sewage treatment device convenient to change filtering component, through electric telescopic handle, make the top of water purification mechanism automatic release water purification case, through the cat ladder, make things convenient for the staff to scramble the top of water purification case, wash water purification mechanism and change with the internals, through feeder hopper and apron, put into chemical agent and microorganism to the inside of water purification case, also prevent that other materials such as animal insect from getting into the water purification case, lead to equipment to appear blockking up.

(4) This environmental protection sewage treatment device convenient to change filtering component puts in the water purification case with the microorganism, because the microorganism is the aerobe, can consume the oxygen in the sewage, uses through the cooperation of air inlet machine, intake pipe and branch gas tank, carries out the make-up gas to the inside of gas tank, strengthens the purifying effect of microorganism, makes sewage reach national emission standard, strengthens the protection to the environment, promotes green market's development.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the sewer of the present invention;

FIG. 4 is a schematic view of the structure of the purification cassette of the present invention;

FIG. 5 is a schematic view of the structure of a permeable membrane of the present invention;

FIG. 6 is an enlarged view of part A of the present invention.

In the figure: 1 foundation, 2 sewage channels, 3 water purification tanks, 4 water permeable membrane plates, 5 inclined plates, 6 collection boxes, 7 fishing mechanisms, 701 rotating shafts, 702 rotating rollers, 703 rotating belts, 704 fishing net plates, 705 first motors, 8 sliding groove plates, 9 sliding blocks, 10 water purification mechanisms, 1001 purification boxes, 1002 purification pipes, 1003 permeable membranes, 1004 rubber gaskets, 1005 purification carbon, 1006 filter boxes, 1007V-shaped filter screens, 11 electric telescopic rods, 12 stirring mechanisms, 1201 stirring rods, 1202 stirring rods, 1203 second motors, 13 first water suction pumps, 14 first water suction pipes, 15 first water outlet pipes, 16 second water suction pumps, 17 second water suction pipes, 18 second water outlet pipes, 19 supporting columns, 20 air inlet mechanisms, 2001 air inlet machines, 2002 air inlet pipes, 2003 air distribution tanks, 21 water outlet pipes, 22 air outlet pipes, 23 feed hoppers, 24 cover plates, 25 crawling ladders and 26 water inlet pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.

Referring to fig. 1-6, the present invention provides a technical solution: an environment-friendly sewage treatment device convenient for replacing a filter assembly comprises a foundation 1, a sewage channel 2 is fixedly installed at the top of the foundation 1, a water purification tank 3 is arranged above the foundation 1, a support column 19 is fixedly installed at the bottom of the water purification tank 3, the bottom of the support column 19 is fixedly installed with the top of the foundation 1, a water purification tank 3 is fixedly installed at one side of the sewage channel 2, permeable membrane plates 4 are fixedly installed on the inner walls of the two sides of the sewage channel 2, the bottom of the permeable membrane plate 4 is fixedly installed with the bottom of the inner side of the sewage channel 2, an opening is arranged at the front side of the sewage channel 2, an inclined plate 5 is fixedly installed at the top of the permeable membrane plate 4, the front side of the inclined plate 5 is fixedly installed with the inner wall of the front side of the sewage channel 2, a collection box 6 is placed at the top of the foundation 1, the collection box 6 is in contact with the outer wall of the front side of the sewage channel 2, a fishing, the top fixed mounting of ground 1 has first water absorption pump 13 and second water absorption pump 16, the suction end fixed mounting of first water absorption pump 13 has first water absorption pipe 14, the output end fixed mounting of first water absorption pump 13 has first outlet pipe 15, the one end of first water absorption pipe 14 extends to the inside of bilge canal 2, the one end of first outlet pipe 15 extends to the inside of water purification case 3, the suction end fixed mounting of second water absorption pump 16 has the second to absorb water pipe 17, the output end fixed mounting of second water absorption pump 16 has second outlet pipe 18, the one end that second absorbed water pipe 17 and second outlet pipe 18 all extends to the inside of water purification case 3, the inside of water purification case 3 is provided with air intake mechanism 20.

The salvaging mechanism 7 comprises a rotating shaft 701, rotating rollers 702, rotating belts 703, salvaging screen plates 704 and a first motor 705, two groups of rotating shafts 701 are fixedly arranged on the inner walls of two sides of the sewage channel 2, the rotating rollers 702 are fixed on the outer walls of the two groups of rotating shafts 701, the rotating belts 703 are sleeved on the outer walls of the two groups of rotating rollers 702, the salvaging screen plates 704 are fixedly arranged on the outer walls of the rotating belts 703, the first motor 705 is fixedly arranged on the top of the water purifying tank 3, the output shaft of the first motor 705 extends into the sewage channel 2 through a coupler and is fixedly connected with the rotating shafts 701, the rotating rollers 702, the rotating belts 703, the salvaging screen plates 704 and the first motor 705 are matched for use to salvage impurities in the sewage channel 2, the contact between the impurities and the permeable membrane plates 4 is reduced, the blockage of the permeable membrane plates 4 caused by more impurities is reduced, the labor intensity of manual salvaging is also reduced, the purification mechanism 10 comprises a purification box 1001, a purification pipe 1002, an osmotic membrane 1003, a rubber gasket 1004, purification carbon 1005, a filter box 1006 and a V-shaped filter screen 1007, wherein the purification pipe 1002 is arranged in the purification box 1001, four layers of osmotic membranes 1003 are sleeved on the outer wall of the purification pipe 1002, the rubber gasket 1004 are arranged at the top and the bottom of the purification pipe 1002 and the osmotic membrane 1003, the purification carbon 1005 is arranged between the osmotic membrane 1003 and the purification box 1001, the filter box 1006 is arranged at the top of the purification carbon 1005, the V-shaped filter screen 1007 is fixedly arranged at the bottom of the inner side of the filter box 1006, the filter box 1006 is clamped and installed in the purification box 1001, an opening is formed at the bottom of the filter box 1006, a hole is formed in the purification pipe 1002, the osmotic membrane 1003, the rubber gasket 1004, the purification carbon 1005, the filter box 1006 and the V-shaped filter screen 1007 are matched for use, flocculent substance that produces after the redox reaction is collected and is filtered, further remove the smell in the sewage, strengthen the purification degree of sewage, the inboard bottom fixed mounting of water purification case 3 has two sets of spout boards 8, the adjacent lateral wall of two sets of spout boards 8 all has seted up the spout, equal slidable mounting has slider 9 in the spout, ground 1's top fixed mounting has electric telescopic handle 11, electric telescopic handle 11's free end extends to the inside of water purification case 3 and fixed mounting has purification box 1001, the both sides and the slider 9 fixed mounting of purification box 1001, rabbling mechanism 12 includes puddler 1201, puddler 1202 and second motor 1203, the inboard top and the bottom of water purification case 3 are rotated and are installed puddler 1201, puddler 1202 is fixed mounting to the outer wall of puddler 1201, the bottom of puddler 1201 extends to the bottom of water purification case 3, ground 1's top fixed mounting has second motor 1203, an output shaft of the second motor 1203 is fixedly connected with the bottom end of the stirring rod 1201 through a coupler, the second motor 1203 is started, the second motor 1203 drives the stirring rod 1201 and the stirring rod 1202 to rotate through the output shaft, sewage and a chemical agent are uniformly stirred, the chemical agent is fully contacted with organic matters and heavy metals in the sewage, the purification effect of the sewage is enhanced, the air inlet mechanism 20 comprises an air inlet machine 2001, an air inlet pipe 2002 and a gas distribution box 2003, the air inlet machine 2001 is fixedly installed at the top of the foundation 1, the air inlet pipe 2002 is fixedly installed at the output end of the air inlet machine 2001, the gas distribution box 2003 is fixedly installed at the bottom of the inner side of the water purification box 3, a vent hole is formed in the top of the gas distribution box 2003, one end of the air inlet pipe 2002 penetrates through the bottom of the water purification box 3 and extends into the gas distribution box 2003, and microorganisms are put into the water purification box 3 and can consume, through the matching use of the air inlet machine 2001, the air inlet pipe 2002 and the air distribution box 2003, air is supplemented to the interior of the air distribution box 2003, the purification effect of microorganisms is enhanced, sewage reaches the national emission standard, the protection of the environment is enhanced, the development of the green market is promoted, one side of the water purification box 3 is fixedly provided with the drain pipe 21, the other side of the water purification box 3 is fixedly provided with the drain pipe 21 and the water adding pipe 26, the top of the water purification box 3 is fixedly provided with the exhaust pipe 22 and the feed hopper 23, one ends of the drain pipe 21, the exhaust pipe 22, the feed hopper 23 and the water adding pipe 26 extend into the interior of the water purification box 3, the top of the feed hopper 23 is provided with the cover plate 24, the front side of the water purification box 3 is fixedly provided with the ladder stand 25, the outer surface of the front side of the water purification box 3 is embedded and provided with the, the opening has been seted up to one side of a set of spout board 8, the crossing contained angle 30-50 degrees between hang plate 5 and level, through electric telescopic handle 11, make the top of water purification case 3 of water purification mechanism 10 automatic release, through cat ladder 25, make things convenient for the staff to climb to the top of water purification case 3, wash and change with the internals to water purification mechanism 10, through feeder hopper 23 and apron 24, put into chemical agent and microorganism to the inside of water purification case 3, also prevent that other materials such as animal insect from getting into water purification case 3, lead to the equipment to appear blockking up.

The working principle is as follows: starting a first motor 705, the first motor 705 drives a rotating shaft 701 and a rotating roller 702 to rotate through an output shaft, the rotating roller 702 drives a rotating belt 703 to rotate, so that impurities in the sewage are salvaged by a salvage screen plate 704 on the surface of the rotating belt 703, the impurities fall into a collection box 6 through an inclined plate 5, starting a first water suction pump 13, the first water suction pump 13 sucks the sewage through a first water suction pipe 14, the sewage is discharged into a purified water tank 3 through a first water outlet pipe 15, a chemical agent is put into the purified water tank 3 through a feed hopper 23, starting a second motor 1203, the second motor 1203 drives a stirring rod 1201 and a stirring rod 1202 to rotate through the output shaft, the sewage and the chemical agent are stirred, the purified water tank 3 is added with water through a water adding pipe 26, the sewage flows into a water purifying mechanism 10 through an opening on a sliding chute 8, and the sewage after the first-step purification is filtered through the water purifying mechanism 10, the second water suction pump 16 is started, the second water suction pump 16 sucks sewage through the second water suction pipe 17, the sewage is discharged into one side of the sliding groove plate 8 through the second water outlet pipe 18, microorganisms are put in through the feed hopper 23, the microorganisms and the sewage are purified for the second time, the air inlet machine 2001 is started, the air inlet machine 2001 supplies air to the inside of the water purification tank 3 through the air inlet pipe 2002 and the air distribution tank 2003, and after the microorganisms are purified, the sewage purified twice is discharged through the water discharge pipe 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environmental protection sewage treatment device convenient to change filtering component, includes ground (1), its characterized in that: the top fixed mounting of ground (1) has bilge trench (2), the top of ground (1) is provided with water purification case (3), the bottom fixed mounting of water purification case (3) has support column (19), the bottom of support column (19) and the top fixed mounting of ground (1), one side fixed mounting of bilge trench (2) has water purification case (3), the both sides inner wall fixed mounting of bilge trench (2) has the diaphragm plate (4) that permeates water, the bottom of diaphragm plate (4) that permeates water and the inboard bottom fixed mounting of bilge trench (2), the front side of bilge trench (2) is seted up the opening, the top fixed mounting of diaphragm plate (4) that permeates water has hang plate (5), the front side of hang plate (5) and the front side inner wall fixed mounting of bilge trench (2), collection box (6) has been placed at the top of ground (1), collect box (6) and the front side outer wall contact of bilge trench (2), a salvaging mechanism (7) is arranged in the sewage channel (2), a water purifying mechanism (10) and a stirring mechanism (12) are arranged in the water purifying tank (3), a first water suction pump (13) and a second water suction pump (16) are fixedly installed at the top of the foundation (1), a first water suction pipe (14) is fixedly installed at the suction end of the first water suction pump (13), a first water outlet pipe (15) is fixedly installed at the output end of the first water suction pump (13), one end of the first water suction pipe (14) extends into the sewage channel (2), one end of the first water outlet pipe (15) extends into the water purifying tank (3), a second water suction pipe (17) is fixedly installed at the suction end of the second water suction pump (16), a second water outlet pipe (18) is fixedly installed at the output end of the second water suction pump (16), and one ends of the second water suction pipe (17) and the second water outlet pipe (18) both extend into the water purifying tank (3), an air inlet mechanism (20) is arranged in the water purifying tank (3).

2. The environmental protection sewage treatment apparatus convenient for replacing the filtering component according to claim 1, wherein: salvage mechanism (7) including axis of rotation (701), live-rollers (702), rotating band (703), salvage otter board (704) and first motor (705), the both sides inner wall fixed mounting of sewer (2) has two sets of axis of rotation (701), the outer wall of two sets of axis of rotation (701) all is fixed with live-rollers (702), the outer wall cover of two sets of live-rollers (702) is equipped with live-rollers (703), the outer wall fixed mounting of live-rollers (703) has salvage otter board (704), the top fixed mounting of water purification case (3) has first motor (705), the output shaft of first motor (705) extends to inside and axis of rotation (701) fixed connection of sewer (2) through the shaft coupling.

3. The environmental protection sewage treatment apparatus convenient for replacing the filtering component according to claim 1, wherein: water purification mechanism (10) is including purifying box (1001), purifying tube (1002), osmotic membrane (1003), rubber packing ring (1004), purify carbon (1005), filter box (1006) and V type filter screen (1007), the inside of purifying box (1001) is provided with purifying tube (1002), the outer wall cover of purifying tube (1002) is equipped with four layers of osmotic membrane (1003), rubber packing ring (1004) have been placed to the top and the bottom of purifying tube (1002) and osmotic membrane (1003), purified carbon (1005) have been placed between osmotic membrane (1003) and purifying box (1001), filter box (1006) have been placed to the top of purifying carbon (1005), the inboard bottom fixed mounting of filter box (1006) has V type filter screen (1007), filter box (1006) block is installed in purifying box (1001), the opening has been seted up to the bottom of filter box (1006), the hole has been seted up on purifying tube (1002).

4. The environmental protection sewage treatment device convenient for replacing the filtering component according to claim 3, wherein: inboard bottom fixed mounting of water purification case (3) has two sets of spout boards (8), and the spout has all been seted up admittedly to the adjacent lateral wall of two sets of spout boards (8), and equal slidable mounting has slider (9) in the spout, and the top fixed mounting of ground (1) has electric telescopic handle (11), and the free end of electric telescopic handle (11) extends to the inside and the fixed mounting of water purification case (3) and has purification box (1001), the both sides and slider (9) fixed mounting of purification box (1001).

5. The environmental protection sewage treatment apparatus convenient for replacing the filtering component according to claim 1, wherein: rabbling mechanism (12) include puddler (1201), puddler (1202) and second motor (1203), the inboard top and the bottom of water purification case (3) are rotated and are installed puddler (1201), the outer wall fixed mounting of puddler (1201) has puddler (1202), the bottom of puddler (1201) extends to the bottom of water purification case (3), the top fixed mounting of ground (1) has second motor (1203), the output shaft of second motor (1203) passes through the bottom fixed connection of shaft coupling and puddler (1201).

6. The environmental protection sewage treatment apparatus convenient for replacing the filtering component according to claim 1, wherein: air inlet mechanism (20) are including air inlet machine (2001), intake pipe (2002) and branch gas tank (2003), and air inlet machine (2001) are installed to the top fixed mounting of ground (1), and air inlet machine (2001)'s output fixed mounting has intake pipe (2002), and the inboard bottom fixed mounting of water purification case (3) divides gas tank (2003), and the air vent has been seted up at the top of dividing gas tank (2003), and the one end of intake pipe (2002) runs through water purification case (3) bottom and extends to the inside of dividing gas tank (2003).

7. The environmental protection sewage treatment device convenient for replacing the filtering component according to claim 4, wherein: one side fixed mounting of water purification case (3) has drain pipe (21), and the opposite side fixed mounting of water purification case (3) has drain pipe (21) and filler pipe (26), and the top fixed mounting of water purification case (3) has blast pipe (22) and feeder hopper (23), and drain pipe (21), blast pipe (22), feeder hopper (23) and the one end of filler pipe (26) all extend to the inside of water purification case (3), and apron (24) have been placed at the top of feeder hopper (23).

8. The environmental protection sewage treatment apparatus facilitating replacement of the filter assembly according to claim 7, wherein: the front side of the water purifying tank (3) is fixedly provided with a ladder (25), the outer surface of the front side of the water purifying tank (3) is embedded with transparent glass, the first water outlet pipe (15), the air inlet pipe (2002), the drain pipe (21), the exhaust pipe (22) and the water adding pipe (26) are all provided with one-way valves, one side of a group of sliding groove plates (8) is provided with an opening, and the intersection included angle between each inclined plate (5) and the horizontal plane is 30-50 degrees.