Organic liquid fertilizer production equipment and production process
Technical Field
The invention relates to the technical field of organic liquid fertilizer production, in particular to organic liquid fertilizer production equipment and a production process.
Background
An organic liquid fertilizer is a liquid fertilizer based on organic substances, usually fermented from residues of plants and animals or microorganisms. The organic liquid fertilizer production equipment is used for processing raw materials such as agricultural wastes, animal manure, plant residues and the like and converting the raw materials into organic liquid fertilizers, and the equipment processing process comprises a fermentation tank, stirring equipment, a filtering system and automatic filling equipment, so that the waste utilization rate can be effectively improved, the agricultural wastes are converted into valuable organic fertilizers, and the burden of the wastes on the environment is reduced;
CN102249743B, disclose a method for producing organic concentrated compound liquid fertilizer with biogas slurry at normal temperature, aim at providing a method with low cost and high automation for producing organic concentrated compound liquid fertilizer with biogas slurry, the method is that the biogas slurry is filtered out large particle matter including plant fiber and sand grain by a biogas slurry filter tank, then enters a biogas slurry stock tank, is conveyed to a biogas slurry mechanical filter device and a biogas slurry multi-medium filter device by a pump, and filters out large molecular matter including algae, pesticide residue and bacteria, then is filtered by a biogas slurry cross-flow ultrafiltration device, the non-permeate enters a concentrated solution tank, the permeate enters an aromatic polyamide membrane element concentrating device for continuous concentration and separation, the separated concentrate enters a concentrated solution tank and then is conveyed to a biogas slurry preparation tank for preparing liquid fertilizer, the permeate enters a water purification tank for cleaning equipment, and the liquid fertilizer is packaged after being sterilized by an on-line sterilization device and is used as plant liquid fertilizer for crops and flowers;
However, the sterilization and disinfection means adopted in the traditional organic liquid fertilizer production equipment are single, the sterilization and disinfection effect on microorganisms is limited, the high requirement of modern agriculture on fertilizer safety is difficult to achieve, in the organic liquid fertilizer production, the molecular structure of the fertilizer is large, the crop absorption efficiency is low, the fertilizer efficiency is poor, in addition, the traditional scheme cannot effectively treat large-particle impurities and small-particle fiber substances in the liquid, due to the fact that the viscosity of the organic liquid fertilizer is high, a filter is easily blocked by the impurities, the liquid cannot smoothly pass through, the production efficiency is greatly reduced, the filtration effect can be improved by adopting the multistage filtration in part of the scheme, and the scheme still needs frequent shutdown for cleaning and replacement of the filter element during cleaning to affect the production continuity, so that the organic liquid fertilizer production equipment and the production process are needed to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that the sterilization means are single, the sterilization effect on microorganisms is limited, the high requirement of modern agriculture on fertilizer safety is difficult to reach, and the filter element is still required to be frequently stopped for cleaning and replacement during cleaning, so that the production continuity is affected in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an organic liquid fertilizer production facility, includes filtering mechanism, thick liquid jar, disinfection mechanism, agitator tank, quantum device and holding vessel disinfect, filtering mechanism is used for with the pond intercommunication of natural pond, filtering mechanism output loops through natural pond jar, disinfection mechanism, agitator tank, quantum device and holding vessel intercommunication disinfect, filtering mechanism includes fine filter and coarse filter, fine filter with coarse filter output intercommunication, disinfection mechanism includes ultraviolet sterilization device and ozone sterilizer, ozone sterilizer is used for disinfecting the inside of natural pond jar, natural pond jar output with ultraviolet sterilization device intercommunication, filtering mechanism, natural pond jar, disinfection mechanism, agitator tank, quantum device and holding vessel all are equipped with the multiunit, coarse filter and fine filter all include filtration casing, filter core, vacuum pump and clearance mechanism, the filter element is provided with a plurality of groups and is arranged in the filter shell up and down, the vacuum pump is arranged outside the bottom end of the filter shell, a solid-liquid separation plate is arranged below the inside of the filter shell, the bottom of the filter element is assembled and connected with the upper part of the solid-liquid separation plate, the edge of the solid-liquid separation plate is assembled and connected with the inner wall of the filter shell, slag outlets and liquid outlets are respectively arranged on the upper side and the lower side of the solid-liquid separation plate positioned at the bottom of the filter shell, the central position of the upper end of the filter element is arranged in a downward concave manner, the cleaning mechanism comprises a central shaft, cleaning blades and a receiving hopper, the central shaft rotates and penetrates through the central positions of the filter element and the receiving hopper, the cleaning blades rotate and are arranged between the receiving hopper and the upper part of the filter element and are linked with the central shaft, the inside water pipe and the tuber pipe of being equipped with of center pin, water pipe upper end feed end and outside water source intercommunication, tuber pipe upper end air inlet end and outside fan intercommunication set up, be equipped with the transition pipe in the center pin of clearance leaf top, clearance leaf inside be equipped with respectively with wind branch pipe and the water branch pipe that tuber pipe and water pipe intercommunication set up, wind branch pipe and water branch pipe pass through the transition pipe and water pipe and tuber pipe intercommunication set up, water branch pipe one end runs through the clearance leaf and extends to keeping away from center pin one end outside, wind branch pipe air inlet end is located clearance leaf below.
As a preferred implementation mode, the output end of the fine filter is communicated with a corresponding biogas slurry tank through a flowmeter, a liquid level meter and a thermometer are respectively arranged on the biogas slurry tank, and the biogas slurry tank is provided with two biogas slurry tanks and works alternately.
As a preferred implementation mode, the solid-liquid separation plate is arranged in a hollow structure, a motor is arranged in a filter shell at the center position of the solid-liquid separation plate, the central shaft is driven to rotate by the motor, and the central shaft is driven to rotate by the motor.
As a preferred implementation mode, the upper end of the central shaft extends to the outside of the filtering shell and is provided with a connecting pipe in a sealing and rotating mode, an inner pipe and an outer pipe which are connected with the air pipe and the water pipe in a rotating mode are arranged in the connecting pipe, the side walls of the upper end of the inner pipe and the side walls of the outer pipe are communicated with an external fan and a water source, and the air pipe, the inner pipe and the outer pipe in the rotating process are used for communicating the air pipe, the water pipe and the external fan with the water source.
As a preferred implementation mode, the outer pipe is sleeved outside the inner pipe in a concentric annular mode, the upper end structure of the central shaft is identical to the inner structure of the connecting pipe, the air pipe at the upper end of the central shaft is arranged at the central position of the water pipe in a penetrating mode in a sealing mode, and the air pipe at the upper end of the central shaft is arranged at the central position of the water pipe in a penetrating mode in a sealing mode, so that the air pipe, the water pipe and the central shaft can be arranged in a concentric rotating mode, and the air pipe is convenient to be communicated with the connecting pipe in a rotating mode.
As a preferred implementation mode, the center position of the receiving hopper is provided with an opening, the lower end of the receiving hopper is provided with a blade which is arranged above the cleaning blade in a sliding manner, and the winding or the fiber and the like are conveniently cut off through the arranged blade, so that the discharging is convenient.
As a preferred embodiment, the filter element outer arm top is equipped with the guide and fights, the guide fights the top and outwards becomes downward sloping trend from inside to outside, guide fight outside diameter is greater than and connects hopper outside diameter and is less than filter shell inside diameter, through the guide that sets up fight for outwards guide the slag charge of discharging from the filter element top, avoid dropping to the receiving hopper of below in.
As a preferred implementation mode, the wind branch pipe sets up the water branch pipe below, the bar groove has been seted up to clearance leaf below, wind branch pipe below be equipped with the air inlet groove that bar groove intercommunication set up, through first valve body intercommunication between wind branch pipe and the tuber pipe, through second valve body intercommunication between water branch pipe and the water pipe, clearance leaf below laminating all the time in the filter core upper surface, not only be convenient for release filter core top macroparticle debris, still be convenient for in the particle suction transition pipe that will attach to on the filter core when rotating, in the suction process, open first valve body, the second valve body is closed, after the clearance is accomplished, open second valve body is closed to the second valve body, the impurity of collecting in the transition pipe is discharged from the water branch pipe under the rivers effect through the play water of water pipe.
As a preferred implementation mode, the water pipe is communicated with the inside of the transition pipe through the spray head, a filter plate is arranged at the position of the communication between the inside of the transition pipe and the air pipe, and the filter plate is used for blocking impurities from the air pipe, so that particles can be temporarily stored in the transition pipe and cannot be discharged from the air pipe.
The invention also provides a production process of the organic liquid fertilizer production equipment, which comprises the following steps:
step S1, performing precipitation treatment on biogas slurry in a biogas slurry tank, and performing deodorization treatment by an aeration device;
step S2, pumping the biogas slurry from a sedimentation tank by using a biogas slurry pump, filtering sand and stone impurities in the biogas slurry by using a coarse filter, and performing secondary filtration by using a fine filter to isolate small particles and fibers in the biogas slurry, wherein the coarse filter is a sand and stone filter, and the fine filter is a laminated filter;
Step S3, introducing the filtered biogas slurry into a biogas slurry tank for alternate treatment;
s4, mixing and sterilizing ozone and biogas slurry by adopting an ozone sterilizer and a gas-liquid mixing pump;
Step S5, sterilizing and eliminating the biogas slurry flowing through the pipeline by adopting an ultraviolet sterilization device to obtain pure biogas slurry;
S6, the pure biogas slurry enters a compound stirring tank, is stirred by a compound stirring machine, and simultaneously, the fertilizer preparation raw materials in the raw material tank are pumped into the stirring tank through a raw material pump to be stirred and compounded;
S7, after stirring is completed, carrying out micromolecule treatment on the liquid fertilizer through a quantum device;
and S8, loading the fertilizer finished product processed by the quantum device into a storage tank, sealing the storage tank filled with the fertilizer by using a capping machine, and conveying the storage tank into a conveying line to a finished fertilizer warehouse.
Compared with the prior art, the invention has the advantages and positive effects that,
The invention is provided with the coarse filter and the fine filter for respectively carrying out graded filtration on large-particle substances and small-particle impurities, the filtration process is more efficient through the combined action of the multi-layer filter element and the vacuum pump, the liquid flow speed is obviously accelerated, the rapid filtration can be carried out on more viscous biogas slurry, the blockage is avoided, meanwhile, the automatic cleaning equipment for cleaning the blade and the central shaft is provided, and the solid impurities on the filter element are automatically removed through mechanical movement and air and water cleaning without frequent shutdown cleaning.
The invention integrates the ozone disinfection and ultraviolet sterilization device, forms a dual disinfection system, combines the ozone sterilizer with the gas-liquid mixing pump, ensures that biogas slurry and ozone are fully contacted, kills harmful microorganisms in the liquid, then kills residual pathogens through ultraviolet rays, treats agricultural wastes such as livestock manure, biogas slurry and the like into organic liquid fertilizer, reduces the pollution of the wastes to the environment, provides high-quality organic fertilizer for agricultural production, and can not generate harmful byproducts or residues in the disinfection and sterilization process, and the whole production process is green and environment-friendly.
According to the invention, through the vacuum pump, the gas in the filtering shell is pumped downwards, and in the gas pumping process, the liquid can flow downwards through the filter element in an accelerating way until flowing out from the lowest part of the filtering shell, so that the filtering speed can be greatly increased.
According to the invention, through rotating the central shaft, the rotating speed is determined according to the requirements, for example, the filter can slowly rotate in the filtering process, when the special cleaning is suspended, the filter can rapidly rotate, a better cleaning effect is achieved through the centrifugal effect, the cleaning blade can be used for scraping and cleaning the upper surface of the filter element, so that sundries can not be covered on the filter holes of the filter element all the time, the cleaning blade is in an arc-shaped arrangement, and is matched with the continuous particulate matters above to be extruded downwards, and the solid sundries can be discharged outwards until being discharged from the outer edge of the filter element in the rotating process, so that the cleaning effect is achieved.
According to the invention, the air pipe and the water pipe are respectively communicated with the external fan and the water source, in the rotation process of the cleaning blade, the air pipe is communicated with the air branch pipe, the air branch pipe sucks particulate matters on the surface of the filter element into the transition pipe, the water pipe is further communicated with the water branch pipe, and the particulate matters sucked into the transition pipe are flushed out of the water branch pipe under the action of water flow in a flushing mode and are discharged from the slag hole, so that the cleaning effect on the filtering equipment is good.
Drawings
FIG. 1 is a schematic flow chart of an organic liquid fertilizer production device and a production process provided by the invention;
FIG. 2 is a schematic diagram of a top layout structure of an apparatus and a process for producing organic liquid fertilizer according to the present invention;
FIG. 3 is a flow chart of an organic liquid fertilizer production device and a production process provided by the invention;
FIG. 4 is a schematic diagram of the internal structure of a fine filter of the organic liquid fertilizer production equipment and the production process provided by the invention;
FIG. 5 is a schematic diagram showing the assembly of a cleaning mechanism and a filter element of an organic liquid fertilizer production device and a production process provided by the invention;
FIG. 6 is a schematic diagram showing the assembly of a filter element and a solid-liquid separation plate of an organic liquid fertilizer production device and a production process provided by the invention;
FIG. 7 is a schematic diagram of a cleaning blade of an organic liquid fertilizer production device and a production process provided by the invention;
FIG. 8 is a schematic view of the internal structure of the central shaft and the cleaning blade of the organic liquid fertilizer production equipment and the production process provided by the invention;
FIG. 9 is a schematic diagram showing the assembly of a central shaft and a transition pipe of an organic liquid fertilizer production device and a production process according to the present invention;
Fig. 10 is an assembly schematic diagram of a central tube and a connecting tube of an organic liquid fertilizer production device and a production process.
Legend description:
1. Biogas slurry tank, 2, stirring tank, 3, quantum device, 4, storage tank, 511, fine filter, 512, coarse filter, 611, ultraviolet sterilization device, 612, ozone sterilizer, 711, filter housing, 712, filter core, 713, vacuum pump, 714, solid-liquid separation plate, 8, slag hole, 101, central shaft, 102, cleaning blade, 103, receiving hopper, 11, water pipe, 12, air pipe, 13, blower, 14, transition pipe, 15, wind branch pipe, 16, water branch pipe, 17, flowmeter, 18, liquid level meter, 19, thermometer, 20, motor, 211, connecting pipe, 212, inner pipe, 213, outer pipe, 22, blade, 23, guide hopper, 241, bar slot, 242, air inlet slot, 243, first valve body, 244, second valve body, 25, shower nozzle, 26, filter plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the organic liquid fertilizer production equipment comprises a filtering mechanism, a biogas slurry tank 1, a sterilizing and disinfecting mechanism, a stirring tank 2, a quantum device 3 and a storage tank 4, wherein the filtering mechanism is communicated with the biogas slurry tank, the output end of the filtering mechanism is sequentially communicated with the storage tank 4 through the biogas slurry tank 1, the sterilizing and disinfecting mechanism, the stirring tank 2 and the quantum device 3, the filtering mechanism comprises a fine filter 511 and a coarse filter 512, the fine filter 511 is communicated with the output end of the coarse filter 512, the sterilizing and disinfecting mechanism comprises an ultraviolet sterilizing device 611 and an ozone sterilizer 612, the ozone sterilizer 612 is used for sterilizing the interior of the biogas slurry tank 1, the output end of the biogas slurry tank 1 is communicated with the ultraviolet sterilizing device 611, a plurality of groups are arranged on the filtering mechanism, the biogas slurry tank 1, the sterilizing and disinfecting mechanism, the stirring tank 2, the quantum device 3 and the storage tank 4, the coarse filter 512 and the fine filter 511 comprise a filtering shell 711, a filter element 712, a vacuum pump 713 and a cleaning mechanism, the filter element 712 is provided with a plurality of groups and is arranged in the filter shell 711 up and down, the vacuum pump 713 is arranged outside the bottom end of the filter shell 711, a solid-liquid separation plate 714 is arranged below the inside of the filter shell 711, the bottom of the filter element 712 at the lowest end is assembled and connected with the upper part of the solid-liquid separation plate 714, the edge of the solid-liquid separation plate 714 is assembled and connected with the inner wall of the filter shell 711, slag holes 8 and liquid outlets are respectively arranged on the upper side and the lower side of the solid-liquid separation plate 714 at the bottom of the filter shell 711, the central position of the upper end of the filter element 712 is arranged in a downward concave manner, the cleaning mechanism comprises a central shaft 101, cleaning blades 102 and a receiving hopper 103, the central shaft 101 rotates and passes through the filter element 712 and the central position of the receiving hopper 103, the cleaning blades 102 rotate and are arranged between the receiving hopper 103 and the upper part of the filter element 712 and are linked with the central shaft 101, the inside water pipe 11 and the tuber pipe 12 of being equipped with of center pin 101, water pipe 11 upper end feed end and outside water source intercommunication, tuber pipe 12 upper end air inlet end and outside fan 13 intercommunication setting are equipped with transition pipe 14 in the center pin 101 of clearance leaf 102 top, clearance leaf 102 inside is equipped with respectively with tuber pipe 12 and water branch pipe 16 of water pipe 11 intercommunication setting, wind branch pipe 15 and water branch pipe 16 pass through transition pipe 14 and water pipe 11 and tuber pipe 12 intercommunication setting, water branch pipe 16 one end runs through clearance leaf 102 and extends to the outside of center pin 101 one end of keeping away from, wind branch pipe 15 air inlet end is located clearance leaf 102 below.
As shown in fig. 1-10, the output end of the fine filter 511 is communicated with the corresponding biogas slurry tank 1 through a flowmeter 17, a liquid level meter 18 and a thermometer 19 are respectively arranged on the biogas slurry tank 1, and the biogas slurry tank 1 is provided with two and works alternately.
As shown in fig. 1 to 10, the solid-liquid separation plate 714 is provided with a hollow structure, a motor 20 is arranged in a filtering housing 711 at the center of the solid-liquid separation plate 714, and the central shaft 101 is driven to rotate by the motor 20.
As shown in fig. 1 to 10, the upper end of the central shaft 101 extends to the outside of the filtering housing 711 and is provided with a connecting pipe 211 in a sealed rotation manner, an inner pipe 212 and an outer pipe 213 which are rotatably connected with the air pipe 12 and the water pipe 11 are arranged in the connecting pipe 211, the upper end of the inner pipe 212 and the side wall of the outer pipe 213 are communicated with the external fan 13 and the water source, and the air pipe 12 and the water pipe 11 in the rotation process are communicated with the external fan 13 and the water source through the arranged connecting pipe 211, the inner pipe 212 and the outer pipe 213.
As shown in fig. 1-10, the outer tube 213 is sleeved outside the inner tube 212 in a concentric ring shape, the upper end structure of the central shaft 101 is identical to the inner structure of the connecting tube 211, the air pipe 12 at the upper end of the central shaft 101 is sealed and penetrated at the central position of the water pipe 11, and the air pipe 12 at the upper end of the central shaft 101 is sealed and penetrated at the central position of the water pipe 11, so that the air pipe 12, the water pipe 11 and the central shaft 101 can be concentrically and rotatably arranged, and the air pipe is convenient to be rotatably communicated with the connecting tube 211.
As shown in fig. 1-10, an opening is arranged at the center of the receiving hopper 103, a blade 22 which is arranged above the cleaning blade 102 in a sliding manner is arranged at the lower end of the receiving hopper, and the winding or the fiber and the like are conveniently cut off by the arranged blade 22, so that the discharging is convenient.
As shown in fig. 1-10, a guiding hopper 23 is arranged above the outer arm of the filter element 712, the upper part of the guiding hopper 23 is inclined downwards from inside to outside, the outer diameter of the guiding hopper 23 is larger than the outer diameter of the receiving hopper 103 and smaller than the inner diameter of the filtering shell 711, and the guiding hopper 23 is used for guiding slag discharged from the upper part of the filter element 712 outwards so as to avoid falling into the receiving hopper 103 below.
As shown in fig. 1-10, the air branch pipe 15 is arranged below the water branch pipe 16, the strip-shaped groove 241 is formed below the cleaning blade 102, the air inlet groove 242 which is communicated with the strip-shaped groove 241 is formed below the air branch pipe 15, the air branch pipe 15 and the air pipe 12 are communicated through the first valve body 243, the water branch pipe 16 and the water pipe 11 are communicated through the second valve body 244, the lower part of the cleaning blade 102 is always attached to the upper surface of the filter element 712, so that large-particle impurities above the filter element 712 are conveniently pushed out, particles attached to the filter element 712 are conveniently sucked into the transition pipe 14 during rotation, the first valve body 243 is opened in the suction process, the second valve body 244 is closed after cleaning is completed, and impurities collected in the transition pipe 14 are discharged from the water branch pipe 16 under the action of water flow through the water outlet of the water pipe 11.
As shown in fig. 1-10, the water pipe 11 is communicated with the inside of the transition pipe 14 through the spray head 25, a filter plate 26 is arranged at the position where the inside of the transition pipe 14 is communicated with the air pipe 12, and impurities and the air pipe 12 are blocked by the arranged filter plate 26, so that particles can be temporarily stored in the transition pipe 14 and cannot be discharged from the air pipe 12.
Step S1, performing precipitation treatment on biogas slurry in a biogas slurry tank, and performing deodorization treatment by an aeration device;
Step S2, pumping the biogas slurry from the sedimentation tank by using a biogas slurry pump, filtering sand and stone impurities in the biogas slurry by using a coarse filter 512, and performing secondary filtration by using a fine filter 511 to isolate small particles and fibers in the biogas slurry, wherein the coarse filter 512 is a sand and stone filter, and the fine filter 511 is a laminated filter;
step S3, introducing the filtered biogas slurry into the biogas slurry tank 1 for alternate treatment;
Step S4, mixing and disinfecting ozone and biogas slurry by adopting an ozone sterilizer 612 and a gas-liquid mixing pump;
Step S5, sterilizing and eliminating the biogas slurry flowing through the pipeline by adopting an ultraviolet sterilization device 611 to obtain pure biogas slurry;
S6, the pure biogas slurry enters a compound stirring tank 2 and is stirred by a compound stirrer, and meanwhile, fertilizer preparation raw materials in a raw material tank are pumped into the stirring tank 2 through a raw material pump to be stirred and compounded;
step S7, after stirring, carrying out micromolecule treatment on the liquid fertilizer through the quantum device 3, and bringing the nutrient substances in the fertilizer into play to the greatest extent so as to facilitate the absorption of plants;
and S8, loading the fertilizer finished product processed by the quantum device 3 into the storage tank 4, sealing the storage tank 4 filled with the fertilizer by using a capping machine, and conveying the fertilizer into a conveying line to a finished fertilizer warehouse.
Working principle:
When materials pass through the coarse filter 512 and the fine filter 511, coarse filtration and fine filtration are respectively carried out through filter cores 712 made of different materials in the filter housing 711, and finally, high-efficiency and high-quality filtering effects are achieved, liquid slowly enters from the upper end of the filter housing 711 and falls to the uppermost one of the receiving hoppers 103, the liquid gathers towards the central position of the filter core 712 through the limiting of the receiving hopper 103, the vacuum pump 713 is started, gas in the filter housing 711 is pumped downwards, in the process of pumping out the gas, the liquid can accelerate to flow downwards through the filter core 712 until flowing out from the lowermost part of the filter housing 711, the filtering speed can be greatly accelerated, meanwhile, as biogas slurry is relatively viscous, the upper part of the filter core 712 is easily covered and blocked, through the rotation of the central shaft 101, the rotation speed is determined according to requirements, for example, the rotation speed can be slowly carried out in the filtering process, and the special filtering cleaning is suspended, the filter element 712 can be rapidly rotated to achieve better cleaning effect through centrifugal effect, the cleaning blade 102 can be used for scraping and cleaning the upper surface of the filter element 712, so that sundries are not always covered on the filter holes of the filter element 712, the cleaning blade 102 is in arc-shaped arrangement and is matched with continuous particulate matters above the filter element 712 to be extruded downwards, solid sundries can be outwards discharged until being discharged from the outer edge of the filter element 712 during rotation, the cleaning effect is achieved, all particulate matters are not discharged during rotation of the cleaning blade 102, part of particulate sundries can be embedded into the filter element 712, at the moment, the air pipe 12 and the water pipe 11 are respectively communicated with an external fan 13 and a water source, during rotation of the cleaning blade 102, the air pipe 12 is communicated with the air branch pipe 15, the particulate matters on the surface of the filter element 712 are sucked into the transition pipe 14 by the air branch pipe 15, and then the water pipe 11 is communicated with the water branch pipe 16, the particulate matters sucked into the transition pipe 14 are flushed out of the water branch pipe 16 under the action of water flow in a flushing mode and discharged from the slag hole 8, so that the cleaning effect on the filtering equipment is good.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.