CN116785814A - A decentralized treatment device for landscape sewage purification - Google Patents

Abstract

The invention discloses a decentralized treatment device for landscape sewage purification, specifically related to the field of landscape sewage treatment. It includes a filter chamber and an adsorption chamber. The left part of the filter chamber is a coarse filter chamber, and the right part is a fine filter chamber. The coarse filter chamber It is sealed and rotationally connected to the fine filter chamber, the inner wall of the coarse filter chamber is fixedly connected to the guide screen frame, the inner wall of the coarse filter chamber is connected to the coarse residue discharge structure, and the fine filter chamber is fixedly connected to multiple concentrically arranged fine filter cartridges. The side walls of the fine filter cartridge are hollow. A fine filter hole is provided on the inner wall of the fine filter cylinder, and a fine slag collection structure is connected between two adjacent fine filter cylinders. A coarse filter chamber, a fine filter chamber, and an adsorption chamber are provided inside the filter chamber, and the coarse filter chamber and fine filter chamber are It is equipped with a coarse slag discharge structure and a fine slag collection structure respectively, which can discharge the structure in the filter cavity in time, enable continuous filtration, and is suitable for single-point continuous water treatment.

Description

A decentralized treatment device for landscape sewage purification

Technical field

The invention relates to the field of landscape sewage treatment, specifically a decentralized treatment device for landscape sewage purification.

Background technique

In order to improve the ornamental value, scenic spots, shopping malls and large-scale enterprises will set up water landscapes, including landscape pools, fountains and other landscape forms. In order to improve the ornamental value, it is necessary to ensure the water quality and avoid water waste. Recycled water is often used, and recycled water is circulated. When the carrier is washed away during the flow, or when children play, pollutants will inevitably be introduced. To ensure water quality, pollutants need to be purified.

For example, the patent document with publication number CN113620511A discloses a landscape ecological water circulation treatment system, which relates to the technical field of water body treatment. It includes an overflow pool, a filter pool and an ecological floating island area arranged in sequence. The filter pool is arranged between the overflow pool and the ecological floating island area. Between the ecological floating island areas, an overflow port is provided on one side of the overflow pool facing the filter pool and the overflow port is higher than the level of the filter pool. A flow pipe for communication is provided between the filter pool and the ecological floating island area. , a filter assembly is provided in the filter pool, the filter assembly includes a filter frame, and the filter frame is disposed on a tank wall on one side of the filter pool close to the flow pipe. This application has the effect of reducing garbage or floating objects that drift with the current to the bottom of the ecological floating island.

However, for large water landscapes and multi-point water supply, water is circulated into the water treatment system after being transported over long distances. The treated water is transported to the water supply point again, which consumes a lot of energy during the transportation process. However, existing water treatment equipment There are no conditions for decentralized processing.

Contents of the invention

The purpose of the present invention is to provide a decentralized treatment device for landscape sewage purification to solve the problems raised in the above background technology.

In order to achieve the above objects, the present invention provides the following technical solutions:

A decentralized treatment device for landscape sewage purification, including a filter chamber and an adsorption chamber. The left part of the filter chamber is a coarse filter chamber and the right part is a fine filter chamber. The coarse filter chamber and the fine filter chamber are sealed and rotationally connected. The coarse filter chamber The inner wall is fixedly connected to the guide screen frame, the inner wall of the coarse filter chamber is connected to the coarse residue discharge structure, and the fine filter chamber is fixedly connected to a plurality of concentrically arranged fine filter cartridges. The side walls of the fine filter cartridges are hollow, and the inner wall of the fine filter cartridge is provided with fine filter holes. A fine residue collection structure is connected between two adjacent fine filter cartridges. A coarse filter chamber, a fine filter chamber, and an adsorption chamber are provided inside the filter chamber, and a coarse filter chamber and a fine filter chamber are respectively provided with a coarse residue discharge structure and a fine residue collection structure. The structure can discharge the structure in the filter cavity in time, enable continuous filtration, and is suitable for single-point continuous water treatment.

Preferably, the coarse filter chamber is cylindrical and coaxial with the fine filter chamber. The guide screen frame includes an arc-shaped frame fixed on the inner wall of the coarse filter chamber. A linear array of guide wires is connected to the arc-shaped frame. The guide wires The outer end is connected to the convergence tube, and the outer end of the convergence tube is connected to the coarse slag discharge cylinder. The coarse slag discharge cylinder penetrates the side wall of the coarse filter chamber. The coarse slag discharge cylinder is connected with a coarse slag discharge component. The coarse filter chamber adopts an arc-shaped frame. The guide wire is connected to collect coarse slag. The coarse slag enters the converging tube and is discharged from the coarse slag discharge tube.

Preferably, the coarse slag discharge assembly includes a first screw shaft that is rotatably connected to the coarse slag discharge barrel. The first screw shaft is fixedly connected to a transmission shaft. The transmission shaft is drivingly connected to the inner wall of the filter chamber. The outer end of the coarse slag discharge barrel is plugged in. The sliding plug is sleeved on the transmission shaft, and the sliding plug is connected to the spring. The coarse slag discharge assembly uses the first spiral shaft to cooperate with the sliding plug, and uses squeezing to concentrate the coarse slag and then discharge it to avoid water loss.

Preferably, the left end of the rough filter chamber is connected to an introduction pipe, the introduction pipe penetrates the left end of the filter chamber and is rotatably connected to the filter chamber. The introduction pipe is connected to an impeller so that the rough filter chamber can rotate in the filter chamber under the impact of water flow.

Preferably, the radius difference between two adjacent fine filter cartridges in the fine filter cavity is the same as the mesh gap of the guide screen frame, the fine filter cavity is rotatably connected to the filter cavity, and the fine residue collection structure includes two adjacent fine filter cartridges. There are fine slag collection arc plates between the fine filter cylinders. The fine slag collection arc plates are fixed in the filter cavity. The fine filter cavity is formed by multiple concentric fine filter cylinders that are connected in sequence to prevent coarse slag from entering.

Preferably, the inner side of the fine slag collection arc plate is rotatably connected to the second spiral shaft, and the right end of the fine slag collection tube is connected to a collection tube. The bottom of the collection tube runs through the filter cavity. The collection tube has the same structure as the coarse slag discharge, and the fine slag enters with water. After being placed between the fine filter cartridges, the fine slag can be collected and discharged with the cooperation of the fine slag collection arc plate and the second spiral shaft.

Preferably, the outer side of the fine filter cavity is fixedly connected to an annular column groove, and a cylindrical roller is provided between the column groove and the filter cavity. The outer side of the fine filter cavity and the second screw shaft are drivingly connected to the drive motor, and the drive motor drives the fine filter cavity. , the second spiral shaft rotates so that the fine slag adhered to the inner wall of the fine filter comes into contact with the fine slag collecting arc plate, which can scrape off the adherends and ensure the permeability of the inner wall of the fine filter cavity.

Preferably, the adsorption chamber is connected to the right end of the filter chamber, an adsorption part is arranged in the adsorption chamber, a flowable adsorbent is connected in the adsorption part, the adsorption part and the desorption chamber are connected through a transport structure, and a connected desorption chamber is provided in the adsorption chamber. The detachment allows the internal adsorbent to enter the desorption chamber for desorption, adsorbing impurities such as particles and pigments, and ensuring the permeability of landscape water.

Preferably, the conveying structure includes a conveying pipe connected between the adsorption member and the desorption chamber, a conveying spiral shaft is provided in the conveying pipe, and a flushing assembly is connected in the desorption chamber.

Preferably, the scouring assembly includes a scouring frame connected to the desorption chamber. The conveying screw shaft extends into the scouring frame. Both sides of the scouring frame are connected to scouring heads. The scouring heads are connected to the bottom of the desorption chamber through circulating water pipes and scouring pumps. The middle part of the circulating water pipe is connected to the electric heating pipe, a flushing frame is set inside the desorption chamber, and desorption is achieved by flushing with hot water.

Compared with the prior art, the beneficial effects of the present invention are:

1. After rough filtration, fine filtration, and adsorption, the landscape water basically meets the water demand. The rough filter chamber is connected to the coarse slag discharge structure, and the fine filter chamber is connected to the fine slag collection structure. The coarse slag and fine slag can be discharged in time, respectively, and continuous Water treatment, for more decentralized water treatment devices, water can be treated continuously in a timely manner;

2. The coarse slag collected by the guide screen frame in the coarse filter chamber is introduced into the coarse slag discharge cylinder connected to the convergence cylinder. After passing through the coarse slag discharge cylinder, the coarse slag discharge assembly adopts the first screw shaft to cooperate with the slide plug, and the first screw shaft cooperates with the slide plug. When the amount of coarse slag between the plugs is insufficient, the sliding plug is inserted into the coarse slag discharge tube to avoid water loss. After a certain amount of coarse slag accumulates, the sliding plug is slid out under the pressure of the first screw shaft, and the coarse slag is discharged;

3. The fine filter chamber is formed by connecting multiple fine filter cylinders, which can block coarse slag and ensure that the fine filtration surface is large enough to ensure the water flow rate. The fine filter chamber is equipped with a fine slag collection arc plate and The cleaning structure matched with the second spiral shaft ensures the permeability of the inner wall of the fine filter cartridge and can discharge fine residue in a concentrated manner;

4. Flowable adsorbent is used in the adsorption part, and the circulation of the adsorbent is controlled by the conveying spiral shaft. The adsorbent absorbs fine dust and pigments in the water in the adsorption part to ensure clear water quality. The adsorbent enters the desorption chamber and is showered with hot water. Desorption is achieved under low conditions, so that the adsorbent can be recycled and the adsorption rate of the adsorbent is ensured.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a cross-sectional view of the filter cavity of the present invention;

Figure 3 is a cross-sectional view of the coarse filter chamber of the present invention;

Figure 4 is a schematic structural diagram of the guide screen frame of the present invention;

Figure 5 is a schematic structural diagram of the fine filter cavity of the present invention;

Figure 6 is a cross-sectional view of the fine filter cartridge of the present invention;

Figure 7 is a schematic structural diagram of the fine slag collection arc plate and collection tube of the present invention;

Figure 8 is a cross-sectional view of the adsorption chamber of the present invention;

Figure 9 is a cross-sectional view of the desorption chamber of the present invention;

In the picture: 1. Filter cylinder; 11. Coarse slag port; 12. Fine slag port; 13. Roller seat; 131, cylindrical roller; 2. Coarse filter section; 3. Fine filter section; 4. Adsorption section; 5 , Coarse filter chamber; 51. Guide screen frame; 52. Converging tube; 53. Coarse slag discharge tube; 54. First spiral shaft; 55. Transmission shaft; 551. Slide plug; 56. Spring; 57. Transmission gear; 58. Toothed ring; 59. First closed ring; 6. Fine filter chamber; 61. Closed bracket; 62. Fine slag collection arc plate; 63. Second spiral shaft; 64. Second closed ring; 65. Collection cylinder; 66. Transmission pulley; 67. Fine filter cartridge; 671. Fine filter wall; 672. Separation wall; 673. Drainage channel; 674. Barrel gap; 7. Adsorption piece; 8. Desorption chamber; 81. Conveying motor; 82. Conveying spiral shaft; 83. Scouring frame; 84. Scouring head; 85. Circulation pipe; 86. Circulation port; 87. Flushing water outlet; 9. Driving shaft; 91. Driving bevel gear; 92. Driving pulley.

Detailed ways

Example 1

As shown in Figure 1-4, a decentralized treatment device for landscape sewage purification includes a filter chamber and an adsorption chamber. The left part of the filter chamber is a coarse filter chamber 5 and the right part is a fine filter chamber 6. The coarse filter chamber 5 and the fine filter chamber are The filter chamber 6 is sealed and rotationally connected, the inner wall of the coarse filter chamber 5 is fixedly connected to the guide screen frame 51, the inner wall of the coarse filter chamber 5 is connected to the coarse residue discharge structure, and the fine filter chamber 6 is fixedly connected to a plurality of concentrically arranged fine filter cartridges 67. The fine filter cartridges The side wall of 67 is hollow, the inner wall of the fine filter cylinder 67 is provided with fine filter holes, and a fine slag collection structure is connected between two adjacent fine filter cylinders 67; the coarse filter chamber 5 is a cylindrical shape coaxial with the fine filter chamber 6 , The guide screen frame 51 includes an arc-shaped frame fixed on the inner wall of the coarse filter chamber 5. A linear array of guide wires is connected to the arc-shaped frame. The outer end of the guide wire is connected to the converging tube 52, and the outer end of the converging tube 52 is connected to the coarse slag. The discharge cylinder 53 is connected, and the coarse slag discharge cylinder 53 penetrates the side wall of the coarse filter chamber 5. A coarse slag discharge component is connected in the coarse slag discharge cylinder 53; the coarse slag discharge component includes a first spiral shaft that is rotatably connected to the coarse slag discharge cylinder 53. 54. The first screw shaft 54 is fixedly connected to the transmission shaft 55. The transmission shaft 55 is transmission connected to the inner wall of the filter chamber. The outer end of the coarse residue discharge tube 53 is inserted into the slide plug 551. The slide plug 551 is sleeved on the transmission shaft 55 and the slide plug 551 is connected. Spring 56; the left end of the coarse filter chamber 5 is connected to the introduction pipe, which runs through the left end of the filter chamber and is rotationally connected with the filter chamber.

The filter chamber is divided into a coarse filter section 2, a fine filter section 3, and an adsorption section 4 from left to right. The coarse filter section 2 is rotatably connected to a coarse filter cavity 5, and the fine filter section 3 is rotatably connected to a fine filter cavity 6. The adsorption section 4 is provided with an adsorption member 7, and the landscape sewage enters the coarse filter chamber 5 after being circulated. The coarse filter chamber 5 is a rotatable cylindrical structure, and an annular array of guide mesh frames 51 is fixed in the coarse filter chamber 5. The outer end of the guide screen frame 51 is fixedly connected to the converging tube 52. The outer end of the converging tube 52 is connected with the coarse slag discharge tube 53. The coarse slag discharge tube 53 penetrates the side wall of the coarse filter chamber 5 and is fixedly connected with the side wall of the coarse filter chamber 5. During the rotation of the coarse filter chamber 5, the guide screen frame 51 collects large debris in the water. The guide screen frame 51 is set in an arc shape, so that the debris gathers toward the middle under the action of water flow resistance, while guiding the screen frame 51 on both sides. The guide wires are set horizontally, and the guide wires in the middle of the guide screen frame 51 are set vertically. During the rotation of the coarse filter cylinder, the debris gathers toward the middle and then moves vertically along the vertical guide wires, and then enters along the convergence tube 52 into the coarse slag discharge cylinder 53; a first screw shaft 54 is rotatably connected in the coarse slag discharge cylinder 53, and the first screw shaft 54 is fixedly connected to the transmission gear 57 through the transmission shaft 55, and the transmission gear 57 is fixed to the ring ring on the inner wall of the filter chamber. 58 meshes. During the rotation of the coarse filter chamber 5, the transmission gear 57 can rotate to rotate the first screw shaft 54. The first screw shaft 54 squeezes the debris into the coarse slag discharge tube 53. In the coarse slag discharge tube 53 After a certain amount of debris accumulates in the slide plug 551, pressure acts on the inside of the slide plug 551. The slide plug 551 exerts pressure on the spring 56 to move the slide plug 551 outward. When the slide plug 551 pops out of the coarse slag discharge tube 53, the debris can be pressed out. When there is insufficient internal debris, the slide plug 551 closes the coarse slag discharge tube 53 under the action of the spring 56, so that only solid debris can be discharged to avoid water loss. The debris discharged from the coarse slag discharge tube 53 is discharged from the coarse slag port 11. , the first closed ring 59 is fixedly connected to the right end of the rough filter chamber 5, so that the sewage discharged from the right end of the rough filter chamber 5 can enter the fine filter chamber 6. The fine filter chamber 6 uses multiple coaxial fine filter cartridges 67 to cover them in sequence. The left end can prevent large debris from entering the fine filter cavity 6 and causing the filter holes to be blocked.

Example 2

As shown in Figure 1-7, a decentralized treatment device for landscape sewage purification includes a filter chamber and an adsorption chamber. The left part of the filter chamber is a coarse filter chamber 5, and the right part is a fine filter chamber 6. The coarse filter chamber 5 and the fine filter chamber 6 is sealed and rotated, the inner wall of the coarse filter chamber 5 is fixedly connected to the guide screen frame 51, the inner wall of the coarse filter chamber 5 is connected to the coarse residue discharge structure, and the fine filter chamber 6 is fixedly connected to a plurality of concentrically arranged fine filter cartridges 67, and the fine filter cartridge 67 side The wall is hollow, and the inner wall of the fine filter cylinder 67 is provided with fine filter holes. A fine slag collection structure is connected between two adjacent fine filter cylinders 67. The radius difference between the two adjacent fine filter cylinders 67 in the fine filter chamber 6 is consistent with the guide. The mesh gaps of the screen frame 51 are the same, and the fine filter chamber 6 is rotatably connected to the filter chamber. The fine slag collection structure includes a fine slag collection arc plate 62 inserted between two adjacent fine filter cylinders 67. The fine slag collection arc plate 62 is fixed in the filter cavity; the inner side of the fine slag collection arc plate 62 is rotated and connected to the second screw shaft 63. The right end of the fine slag collection cylinder is connected to the collection cylinder 65. The bottom of the collection cylinder 65 runs through the filter cavity. The collection cylinder 65 has the same discharge structure as that of the coarse slag. ; The outer side of the fine filter cavity 6 is fixedly connected to an annular column groove. A cylindrical roller 131 is provided between the column groove and the filter cavity. The outer side of the fine filter cavity 6 and the second screw shaft 63 are drivingly connected to the drive motor.

The water after rough filtration enters the fine filter chamber 6. The fine filter cartridge 67 includes an outer partition wall 672 and an inner fine filter wall 671. The left ends of the partition wall 672 and the fine filter wall 671 pass through the closing bracket 61, and the left end is connected to the second The closed ring 64 is fitted and rotated, and the drainage channel 673 is between the isolation wall 672 and the fine filter wall 671. The left end of the drainage channel 673 is closed, and the right end is aligned with the hole of the second closed ring 64. There is a gap between adjacent fine filter cylinders 67. There is a cylinder gap 674. The left end of the cylinder gap 674 is connected with the coarse filter chamber 5. The right end of the cylinder gap 674 is fitted and closed with the second sealing ring 64. The sewage enters the cylinder gap 674 and is filtered by the filter holes on the fine filter wall 671. into the drainage channel 673, and then discharged from the drainage channel 673. During the rotation of the fine filter cylinder 67, the fine slag filtered on the fine filter wall 671 is gathered under the obstruction of the fine slag collecting arc plate 62. At the same time, the fine slag collecting arc plate 62 The second spiral shaft 63 on the inside rotates to transport the filter residue to the right end, so that the fine residue is gathered into the collection tube 65. The fine filter wall 671 has a large enough filtering area for the water to pass through, ensuring the circulation rate of the water flow to supply landscape water. The collection tube 65 The bottom end penetrates the fine slag port 12 of the filter chamber and is fixed to the filter chamber. The same structure as the inside of the coarse slag discharge tube 53 in Embodiment 1 is provided in the collecting tube 65, so that the fine slag can be squeezed and discharged after gathering. The bevel gear at the bottom of the barrel 65 meshes with the drive bevel gear 91 that is coaxially fixedly connected to the drive shaft 9 to achieve transmission. The drive shaft 9 is also fixed with a transmission wheel that drives the coarse filter cartridge and the fine filter cartridge 67. The transmission wheel penetrates the filter cavity. The side walls are respectively fitted with the coarse filter cylinder and fine filter cylinder 67, and friction is used to achieve transmission. A roller seat 13 is provided in the filter chamber, and a column groove is provided inside the roller seat 13 to connect a cylindrical roller 131 to support the coarse filter chamber. 5. The middle part of the fine filter chamber 6 is a conventional technical solution and is not shown in the figure. The right end of the drive shaft 9 is fixedly connected to the drive pulley 92. The drive pulley 92 cooperates with the drive pulley 66 fixed at the right end of the second screw shaft 63 for transmission. .

Example 3

As shown in Figure 1-9, a decentralized treatment device for landscape sewage purification includes a filter chamber and an adsorption chamber. The left part of the filter chamber is a coarse filter chamber 5, and the right part is a fine filter chamber 6. The coarse filter chamber 5 and the fine filter chamber are The filter chamber 6 is sealed and rotationally connected, the inner wall of the coarse filter chamber 5 is fixedly connected to the guide screen frame 51, the inner wall of the coarse filter chamber 5 is connected to the coarse residue discharge structure, and the fine filter chamber 6 is fixedly connected to a plurality of concentrically arranged fine filter cartridges 67. The fine filter cartridges The side wall of 67 is hollow, and the inner wall of the fine filter cylinder 67 is provided with fine filter holes. A fine slag collection structure is connected between two adjacent fine filter cylinders 67. The adsorption chamber is connected to the right end of the filter chamber, and an adsorption piece 7 is provided in the adsorption chamber. The adsorbent 7 is connected with a flowable adsorbent, and the adsorbent 7 and the desorption chamber 8 are connected through a conveying structure; the conveying structure includes a conveying pipe connected between the adsorbing part 7 and the desorption chamber 8, and a conveying spiral shaft is provided in the conveying pipe. 82. A flushing assembly is connected to the desorption chamber 8; the flushing assembly includes a flushing frame 83 connected to the desorption chamber 8. The conveying screw shaft 82 extends into the flushing frame 83. Both sides of the flushing frame 83 are connected to flushing heads 84. The flushing heads 84 The bottom of the desorption chamber 8 is connected to the circulating water pipe and the flushing pump, and the middle part of the circulating water pipe is connected to the electric heating pipe.

The adsorbent 7 is a mesh frame, filled with adsorbent inside. The adsorbent is activated carbon or activated zeolite. The adsorbent is granular with a certain fluidity. The adsorbent absorbs pigments and other impurities in the water to ensure that the landscape water is clear. When the conveyor motor The conveying screw shaft 82 is rotated under the drive of 81, and the adsorbent is transported to the flushing frame. The flushing frame is fixed in the desorption chamber 8. A water tank is provided at the bottom of the desorption chamber 8, and a flushing head 84 is arranged at the top. The flushing head 84 is connected with the circulation The port 86 is connected through the circulation pipe 85, and the circulation pipe 85 is connected to a pump and an electric heating pipe. The water in the sink is extracted by the water pump and heated by the electric heating pipe. It is sprayed out by the scouring head 84 and acts on the adsorbent flowing in the scouring frame 83. After being heated, The adsorbent after water flushing is desorbed to ensure the adsorption performance of the adsorbent. The flushed adsorbent is re-entered into the adsorption member 7 driven by another conveying screw shaft 82, and a flushing water outlet 87 is provided in the water tank. The flushing water inlet can be replaced regularly. The overall coarse filtration, fine filtration and adsorption of the device can ensure clear water quality. The filter residue and flushing water generated during the purification process can be directly discharged and only need to be collected manually at regular intervals. It is suitable for multi-point dispersion. This type of landscape sewage treatment eliminates the need for long-distance transportation and centralized treatment.

Claims (10)

1. The utility model provides a view is dispersion treatment device for sewage purification, its characterized in that, including filter chamber, absorption chamber, filter chamber left part is coarse filtration chamber (5), right part is fine filtration chamber (6), coarse filtration chamber (5) and fine filtration chamber (6) seal rotation are connected, coarse filtration chamber (5) inner wall fixed connection direction frame (51), coarse filtration chamber (5) inner wall connection coarse slag discharge structure, fine filtration chamber (6) internal connection a plurality of smart filter cartridges (67) of concentric setting, fine filtration cartridge (67) lateral wall cavity, fine filtration cartridge (67) inside wall is provided with the smart filtration pore, be connected with thin sediment collection structure between two adjacent fine filtration cartridges (67).

2. The device for decentralized processing according to claim 1, wherein the rough filter chamber (5) is cylindrical and coaxial with the fine filter chamber (6), the guide net frame (51) comprises an arc frame fixed on the inner wall of the rough filter chamber (5), the guide wires are connected with a linear array in the arc frame, the outer ends of the guide wires are connected with a beam-converging cylinder (52), the outer ends of the beam-converging cylinder (52) are connected with a coarse slag discharge cylinder (53), the coarse slag discharge cylinder (53) penetrates through the side wall of the rough filter chamber (5), and a coarse slag discharge assembly is connected in the coarse slag discharge cylinder (53).

3. The device for purifying landscape sewage according to claim 2, wherein the coarse slag discharging assembly comprises a first screw shaft (54) rotatably connected in the coarse slag discharging cylinder (53), the first screw shaft (54) is fixedly connected with a transmission shaft (55), the transmission shaft (55) is in transmission connection with the inner wall of the filter cavity, the outer end of the coarse slag discharging cylinder (53) is inserted with a sliding plug (551), the sliding plug (551) is sleeved on the transmission shaft (55), and the sliding plug (551) is connected with a spring (56).

4. A decentralized processing device for purifying landscape sewage according to claim 3, wherein the left end of the rough filter chamber (5) is connected with an ingress pipe which penetrates the left end of the filter chamber and is connected with the filter chamber in a rotating way.

5. The device according to claim 1, wherein the radius difference of two adjacent fine filter drums (67) in the fine filter chamber (6) is the same as the mesh gap of the guiding net frame (51), the fine filter chamber (6) is rotatably connected in the filter chamber, the fine slag collecting structure comprises a fine slag collecting arc plate (62) inserted between the two adjacent fine filter drums (67), and the fine slag collecting arc plate (62) is fixed in the filter chamber.

6. The device for purifying landscape sewage according to claim 2, wherein the inner side of the fine slag collecting arc plate (62) is rotatably connected with the second screw shaft (63), the right end of the fine slag collecting cylinder is connected with the collecting cylinder (65), the bottom of the collecting cylinder (65) penetrates through the filter cavity, and the collecting cylinder (65) has the same structure as the coarse slag discharging structure.

7. The decentralized processing device for purifying landscape sewage according to claim 6, wherein the outer side of the fine filter chamber (6) is fixedly connected with an annular column groove, a cylindrical roller (131) is arranged between the column groove and the filter chamber, and the outer side of the fine filter chamber (6) and the second screw shaft (63) are in transmission connection with a driving motor.

8. The decentralized processing device for purifying landscape sewage according to claim 1, wherein the adsorption cavity is connected to the right end of the filter cavity, an adsorption piece (7) is arranged in the adsorption cavity, the adsorption piece (7) is connected with a flowable adsorbent, and the adsorption piece (7) is communicated with the desorption cavity (8) through a conveying structure.

9. The decentralized processing device for purifying landscape sewage according to claim 8, wherein the conveying structure comprises a conveying pipe connected between the adsorption piece (7) and the desorption cavity (8), a conveying screw shaft (82) is arranged in the conveying pipe, and a flushing component is connected in the desorption cavity (8).

10. The decentralized processing device for purifying landscape sewage according to claim 9, wherein the flushing assembly comprises a flushing frame (83) connected in the desorption chamber (8), the conveying screw shaft (82) extends into the flushing frame (83), flushing heads (84) are connected to two sides of the flushing frame (83), the flushing heads (84) are connected to the bottom of the desorption chamber (8) through a circulating water pipe and a flushing pump, and the middle part of the circulating water pipe is connected with an electric heating pipe.