CN115838194A - Kitchen waste biogas slurry treatment device and treatment method thereof - Google Patents

Abstract

The invention discloses a kitchen waste biogas slurry treatment device which comprises a base, wherein a coagulating sedimentation tank is arranged at the top of the base, and jacks are arranged inside slots; an inserting rod is installed in the inserting hole in an embedded mode, clamping blocks are installed at the top of the inserting rod, first storage boxes are installed on the surfaces, close to each other, of the two groups of clamping blocks, limiting holes which are arranged in the front and back mode are formed in the outer wall of one side of one group of first storage boxes, and uniformly arranged nozzles are arranged on the front face, the back face and the bottom of the two groups of first storage boxes; and the top parts of the first storage boxes are provided with connecting pipes. According to the kitchen waste biogas slurry treatment device, the base, the coagulating sedimentation tank, the first storage box and the nozzle are arranged, when kitchen waste biogas slurry is treated, wind blown by the air blower is conveyed through the connecting pipe and is blown into the first storage box, so that a solvent filled in the first storage box can be sprayed into the biogas slurry stock solution through the nozzle, and the treatment efficiency of the kitchen waste biogas slurry can be improved to a certain extent.

Description

Kitchen waste biogas slurry treatment device and treatment method thereof

Technical Field

The invention relates to the technical field of kitchen waste biogas slurry stock solution treatment, in particular to a treatment device and a treatment method for kitchen waste biogas slurry.

Background

Kitchen garbage can produce a large amount of natural pond liquid at anaerobic fermentation treatment's in-process, and this kind of natural pond liquid is a high concentration organic matter or inorganic matter waste water that contains solid organic matter and metal ion etc. need handle usually and just can discharge natural pond liquid, and the additive that current kitchen garbage natural pond liquid processing apparatus mixed natural pond liquid and added mostly through the puddler when using, and the mixed effect is relatively poor, has certain defect.

The existing garbage biogas slurry treatment device has the defects that:

1. patent document provides a kitchen garbage's natural pond liquid processing apparatus, relates to kitchen garbage processing technology field, comprising a base plate, branch is installed at the top of bottom plate, the top of bottom plate is provided with the mechanism that produces oil, the mechanism that produces oil includes the hydraulic stem that is connected with the top of bottom plate, the fixed plate is installed at the top of hydraulic stem, flexible shell is installed at the top of fixed plate, the bearing shell is installed at the top of flexible shell, the port department of bearing shell runs through and has seted up the oil-out. According to the kitchen waste biogas slurry treatment device, vegetable oil and animal oil contained in kitchen waste can float on the top of the bearing shell, when all oil in the kitchen waste floats on the top of the bearing shell, the telescopic shell is shortened upwards, so that the kitchen waste in the bearing shell is extruded and moves upwards in a centralized manner, the vegetable oil and the animal oil move upwards and reach an oil outlet to be discharged from the oil outlet, but the kitchen waste biogas slurry treatment device in the publication mainly considers that the vegetable oil and the animal oil in the kitchen waste are extruded through extrusion, and does not consider that most of the existing kitchen waste treatment devices directly add flocculating agents and the like into a flocculation tank during use, so that the mixing efficiency is poor;

2. the patent document discloses a biogas slurry treatment device for kitchen and kitchen waste, which comprises a pretreatment module, an ammonia separation module, a separation module and a re-separation module. The pretreatment module comprises a dehydrator and a sedimentation tank, a liquid outlet of the dehydrator is communicated with the sedimentation tank through a first pipeline, and the bottom of the sedimentation tank is also communicated with an inlet of the dehydrator through a second pipeline; the ammonia separation module comprises an ammonia separation device, and the ammonia separation device is communicated with an outlet of the sedimentation tank; the separation module comprises an A/O device and an MBR device, the inlet of the A/O device is communicated with the ammonia separation device, and the outlet of the A/O device is communicated with the inlet of the MBR device; the secondary separation module comprises a nanofiltration device, a nanofiltration clear water tank and a reverse osmosis device, wherein an inlet of the nanofiltration device is communicated with an outlet of the MBR device, an outlet of the nanofiltration device is communicated with the nanofiltration clear water tank, and the reverse osmosis device is communicated with the nanofiltration clear water tank, so that the cleaning effect on biogas slurry can be improved;

3. the patent document relates to a kitchen waste anaerobic digestion biogas slurry treatment device, which comprises a stirring barrel, a stirring device and a dosing device; the stirring barrel is used for containing biogas slurry, the stirring device is arranged in the stirring barrel and comprises a rotating shaft, a medicine receiving mechanism is arranged on the rotating shaft and comprises a supporting rod and a medicine receiving groove, one end of the supporting rod is connected to the rotating shaft, the other end of the supporting rod is connected to the medicine receiving groove, and a plurality of medicine outlet holes are formed in the bottom of the medicine receiving groove; the charge device is arranged at the top of the stirring barrel, comprises a charge bin for storing the medicament and a charge pipe communicated with the lower end of the charge bin, the charge pipe extends into the stirring barrel, the charge pipe is positioned above the charge tank and used for adding the medicament into the charge tank, and a stop valve and a detector used for detecting the charge tank are further arranged between the charge pipe and the charge bin. Through the matching of the medicine receiving mechanism and the medicine adding device, the medicines are uniformly added into the biogas slurry, the mixing is accelerated, the reaction rate is improved, and the production efficiency is improved;

4. the patent document relates to a kitchen waste anaerobic digestion biogas slurry treatment device, which comprises a reactor cylinder, a servo motor and a stirring device; the reactor barrel is provided with a water inlet and a water outlet, and the servo motor is arranged at the top of the reactor barrel; the stirring device is arranged in the reactor cylinder and consists of a driving shaft, a rotating rod, a connecting rod, a pressure disc, a sliding sleeve and a spring; in the stirring device, the sliding sleeve and the pressure plate form a cavity, and the cavity is matched with the forward and reverse rotation of the servo motor, so that a part of liquid in the reactor cylinder continuously enters the cavity and is discharged in the process of large circulation, thereby increasing the surge in the liquid and effectively improving the stirring efficiency.

Disclosure of Invention

The invention aims to provide a treatment device and a treatment method for kitchen waste biogas slurry, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the kitchen waste biogas slurry treatment device comprises a base, wherein a coagulation sedimentation tank is arranged at the top of the base, three groups of symmetrically arranged slots are formed in the top of the coagulation sedimentation tank, and jacks are formed in the slots;

the inner part of the jack is embedded with an inserted rod, the top of the inserted rod is provided with a fixture block, the surfaces of two groups of fixture blocks, which are close to each other, are provided with a first storage box, the first storage box is positioned in the coagulating sedimentation tank, the tops of the two groups of first storage boxes are provided with notches in a penetrating manner, the notches are of semicircular structures, the outer wall of one side of one storage box is provided with limiting holes which are arranged in the front and back direction, the outer wall of one side of the other storage box is provided with limiting rods which are arranged in the front and back direction, and the front, the back and the bottom of the first storage box are provided with nozzles which are uniformly arranged;

the nozzle is internally provided with a first check valve, the top of the clamping block is provided with a pull ring, and the tops of the two storage boxes are provided with connecting pipes.

Preferably, symmetrical arrangement's mounting hole around the top of coagulating sedimentation tank is installed, and the equal gomphosis in inside of four group's mounting holes has the installation pole, and the top of four group's installation poles is installed and is put the thing board, and the servo motor that three groups of equidistance were arranged is installed at the top of putting the thing board, and the puddler is installed all to run through the top of putting the thing board to three servo motor's of group output.

Preferably, the inner walls of the two sides of the coagulating sedimentation tank are provided with partition plates arranged in the front and the back, the bottoms of the partition plates are connected with the bottom wall of the coagulating sedimentation tank, the partition plates are distributed at intervals with slots, a water outlet pipe is embedded in the front of the rear partition plate, the water outlet pipe is positioned in front of the rear storage box I, a check valve II and a filter screen plate are installed inside the water outlet pipe, the filter screen plate is positioned in front of the check valve II, the rear partition plate is of a hollow structure, the storage box II is uniformly arranged at the top of the rear partition plate, a rotating motor is installed on the top wall of the storage box II, slotted holes are uniformly arranged in the top of the rear partition plate in a penetrating mode, the slotted holes are positioned in the inner side of the storage box II, the output end of the rotating motor is provided with an engagement rod, the engagement rod is positioned in the inner side of the slotted holes, the bottom of the engagement rod is provided with a baffle I, the baffle I is embedded with the water outlet pipe above, the outer surface of the baffle I is provided with a connecting rod I, the baffle II is provided with a connecting rod II, the outer surface of the baffle II is provided with a connecting rod, the baffle III is embedded with the water outlet pipe below, the outlet pipe, the baffle III, and the inner surface of the outlet pipe below through a shaft.

Preferably, the deamination tower main part of arranging around two sets of are installed at the top of base, and the deamination tower main part is located one side of coagulating sedimentation tank, the sludge pump of arranging around the top of base is installed, the place ahead sludge pump is located coagulating sedimentation tank's the place ahead, rear sludge pump is located the centre of rear deamination tower main part and coagulating sedimentation tank, feed liquor pipe is all installed to the surface of two sets of deamination tower main parts, drinking-water pipe one is installed to the input of place ahead sludge pump, and the one end of drinking-water pipe one inserts in the space that place ahead baffle and coagulating sedimentation tank are constituteed, transfer line one is installed to the output of place ahead sludge pump, and the one end of transfer line one is connected with the one end of place ahead feed liquor pipe, drinking-water pipe two is installed to the input of rear sludge pump, and the one end of drinking-water pipe two is connected with the one end of rear feed liquor pipe, two are installed to the output of rear sludge pump, and the one end of two extends into by two sets of baffles and coagulating sedimentation tank group in the synthetic space.

Preferably, the limiting rod is embedded with the limiting hole, the two groups of notches are respectively positioned between the limiting hole and the limiting rod, the two groups of notches are combined to form a circular structure, and the first storage box is of a hollow structure;

stirring rods which are uniformly distributed up and down are welded on the outer surface of the bottom end of each stirring rod, the stirring rods are positioned below the first storage box, the stirring rods are positioned on the inner sides of the notches, and the storage plates are of inverted concave structures;

the two groups of partition plate well coagulating sedimentation tanks are divided into three-part spaces, the rotating motor is started, the first baffle plate is driven to rotate under the action of the connecting rod, the first baffle plate can rotate in the upper water outlet pipe, and water flow can flow out of the water outlet pipe along with the increase of the rotation angle.

Preferably, three sets of air blowers which are arranged in the front and the back are installed at the top of the object placing plate, the air blowers are respectively located in the front and the back of the servo motor, the output ends of the front and the back air blowers are connected with air supply pipes, and one ends of the two sets of air supply pipes are respectively connected with the connecting pipes on the first two sets of storage boxes.

Preferably, the inlet pipe is all installed at the top of storage tank one, and the surface threaded connection of inlet pipe has the block, and the connecting pipe is located the centre of block and notch.

Preferably, the outer wall of one side of coagulating sedimentation tank is provided with the blow off pipe that the equidistance was arranged, and the blow off pipe link up with one side inner wall of coagulating sedimentation tank mutually respectively, blow off pipe and baffle interval distribution, and the surface mounting of blow off pipe has electronic valve.

Preferably, the treatment method of the kitchen waste biogas slurry comprises the following steps:

s1, before the kitchen waste biogas slurry treatment device is used, firstly, an installation rod is inserted into an installation hole, and an object placing plate is fixed above a coagulating sedimentation tank through the embedding of the installation rod and the installation hole;

s2, when kitchen waste biogas slurry is treated, firstly, pouring biogas slurry stock solution into a space formed by a front partition plate and a coagulating sedimentation tank, pouring a proper amount of ferrous sulfate heptahydrate solution uniformly mixed with water into one group of storage boxes through a feeding pipe, then pouring a proper amount of stone slag or hydrated lime solution uniformly mixed with water into the other group of storage boxes, and screwing a cover cap, wherein the adding amount of the ferrous sulfate heptahydrate is 30000-50000mg/L, and the adding amount of the stone slag or hydrated lime is 100000-150000mg/L;

s3, starting a front sludge pump, pumping out the biogas slurry stock solution after the pH is adjusted through the first water pumping pipe, and conveying the biogas slurry stock solution into the front deamination tower main body through the first liquid conveying pipe for aeration stripping, wherein the stripping time is 9-18h;

s4, then a rotating motor in the storage box II is started, then the baffle I can be driven to rotate in the upper water outlet pipe under the action of the connecting rod, meanwhile, along with the rotation of the baffle I, the baffle II and the baffle III can rotate in the middle and lower water outlet pipes under the action of the connecting rod I and the connecting rod II, then biogas slurry after flocculation precipitation in the second space can flow into a third group space formed by a rear partition plate and a coagulation sedimentation tank through the water outlet pipes, and flocs brought in the water flowing process are intercepted under the action of the filter screen plate, and through the arrangement of the check valve II, the biogas slurry in the third space can be effectively prevented from flowing back into the second space.

Preferably, the step S1 further includes the steps of:

s11, sleeving two groups of storage boxes on the surface of a stirring rod, enabling the stirring rod to be positioned between upper notches of two groups of first storage boxes, then pushing the two groups of first storage boxes until a limiting rod on one group of first storage boxes can be embedded with a limiting hole on the other group of first storage boxes, then pushing the first storage boxes downwards, enabling an inserted rod to be inserted into the inserting hole, fixing the first storage boxes in a coagulating sedimentation tank through embedding of a clamping block and an inserting groove, and connecting a connecting pipe with an air blower through an air supply pipe;

in step S2, the method further includes the steps of:

s21, starting one group of blowers, blowing air into the first storage box through the air supply pipe to enable ferrous sulfate heptahydrate solution in the first storage box to be sprayed into biogas slurry stock solution in the coagulating sedimentation tank through a nozzle under the action of pressure, starting a servo motor on the object placing plate, and driving a stirring rod to rotate to enable the stock solution in the first space to be fully mixed with the ferrous sulfate heptahydrate solution, wherein the stirring time is 60-90min;

s22, starting the other group of blowers to enable the stone slag or the hydrated lime solution in the other group of storage boxes to be sprayed out along with the nozzles, adjusting the pH value of the biogas slurry stock solution through the stone slag or the hydrated lime solution until the pH value of the biogas slurry stock solution is kept above 11.0, and repeating the step S21 to enable the stirring time of the stirring rod to be 45-60min;

in step S3, the method further includes the steps of:

s31, after the deamination is finished, starting a rear sludge pump, pumping out biogas slurry stock solution from a rear deamination tower main body through a water pumping pipe II, and conveying the deaminated biogas slurry stock solution into a second space formed by two groups of partition plates and a coagulating sedimentation tank through a liquid conveying pipe II;

s32, pouring a small amount of anionic polyacrylamide and concentrated sulfuric acid into the two groups of storage boxes I respectively in the same step S21 and the step S22, wherein the adding amount of the anionic polyacrylamide is 1-2mg/L, the stirring time is 10-20min, and the anionic polyacrylamide is used for adsorbing suspended solid particles in water, so that the particles are bridged or coagulated into large flocculates through charge neutralization, and the sedimentation of the suspended particles in the biogas slurry stock solution can be accelerated to a certain extent, the required amount of the concentrated sulfuric acid is 2000-5000mg/L, and the stirring time is 5min, so that the concentrated sulfuric acid can adjust the pH value of the biogas slurry stock solution subjected to primary flocculation precipitation to 5.5-6.0;

in step S4, the method further includes the steps of:

s41, adding a proper amount of chelating agent and nonionic polyacrylamide into the last storage tank I, and spraying the chelating agent and the nonionic polyacrylamide into the biogas slurry stock solution subjected to secondary pH value adjustment through a nozzle, wherein the adding amount of the chelating agent is 5000-10000mg/L, and the stirring time is 60-90min, so that the purpose of coagulation is achieved, the stirring time of the nonionic polyacrylamide is 10-20min, and the adding amount is 1-2mg/L, so that the settling speed of suspended particles in the biogas slurry can be accelerated to a certain extent, and the treatment efficiency and the effect of the kitchen waste biogas slurry can be improved.

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

1. according to the kitchen waste biogas slurry treatment device, the base, the coagulating sedimentation tank, the slot, the jack, the inserted rod, the first storage box, the limiting hole, the limiting rod, the nozzle and the first check valve are arranged, when kitchen waste biogas slurry is treated, biogas slurry stock solution is poured into a first space formed by the front partition plate and the coagulating sedimentation tank, the two groups of storage boxes are connected together through the embedding of the limiting rod and the limiting hole, the inserted rod is inserted into the jack, the first storage box can be arranged inside the coagulating sedimentation tank through the embedding of the fixture block and the slot, and during subsequent use, air blown by the blower is conveyed through the connecting pipe and blown into the first storage box, so that a solvent arranged in the first storage box can be sprayed into the interior of the biogas slurry stock solution through the nozzle, and the treatment efficiency of the kitchen waste biogas slurry can be improved to a certain degree.

2. According to the kitchen waste biogas slurry treatment device, the mounting holes, the mounting rods, the storage plates, the servo motors and the stirring rods are mounted, the storage plates are mounted on the coagulating sedimentation tank through the embedding of the mounting rods and the mounting holes, then the servo motors can be started to drive the stirring rods to rotate, then the waste biogas slurry stock solution and the added additives can be mixed through the stirring rods, and the flexibility of the kitchen waste biogas slurry treatment device during use can be improved to a certain extent through the detachable connection of the storage plates.

3. According to the invention, through the arrangement of the partition plate, the storage box II, the rotating motor, the connecting rod, the baffle plate I, the check valve II and the filter screen plate, after the biogas slurry stock solution in the second space is subjected to flocculation precipitation, the rotating motor in the storage box II is started, then the baffle plate I can be driven to rotate in the upper water outlet pipe under the action of the connecting rod, then the baffle plate II and the baffle plate III can rotate in the middle and the lower water outlet pipe along with the baffle plate I, then the biogas slurry in the second space can flow into the third group of spaces formed by the rear partition plate and the coagulation precipitation tank through the water outlet pipe, and in the flowing process of the biogas slurry, the filter screen plate can intercept flocculates in the biogas slurry.

4. According to the kitchen waste biogas slurry treatment device, the deamination tower main body, the sludge pump, the liquid inlet pipe, the first liquid conveying pipe, the first water pumping pipe, the second liquid conveying pipe and the second water pumping pipe are arranged, after pH adjustment of biogas slurry in the first group of spaces is completed, the front sludge pump can be started, biogas slurry is pumped out through the first water pumping pipe, biogas slurry stock solution is conveyed into the front deamination tower main body through the first liquid conveying pipe to be aerated and blown off, after deamination is completed, the rear sludge pump is started, biogas slurry stock solution can be pumped out from the rear deamination tower main body through the second water pumping pipe, and the deamination biogas slurry stock solution is conveyed into the second space formed by the two groups of partition plates and the coagulating sedimentation tank through the second liquid conveying pipe, so that next flocculation sedimentation operation of the deamination biogas slurry is facilitated, and the kitchen waste biogas slurry treatment effect can be improved to a certain extent.

Drawings

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

FIG. 2 is a schematic plan view of the assembly structure of the main body of the deamination tower and a sludge pump;

FIG. 3 is a schematic plan view of the separator of the present invention;

FIG. 4 is a schematic view of an assembly structure of the shelf of the present invention;

FIG. 5 is a schematic plan view of the first storage box of the present invention;

FIG. 6 is a top view of the first storage compartment of the present invention;

FIG. 7 is a schematic view of an assembly structure of a first storage box of the present invention;

FIG. 8 is a schematic diagram of an assembly structure of the coagulating sedimentation tank of the invention;

FIG. 9 is a process flow diagram of the present invention.

In the figure: 1. a base; 2. a coagulating sedimentation tank; 3. a slot; 4. a jack; 5. inserting a rod; 6. a clamping block; 7. a first storage box; 8. a limiting hole; 9. a limiting rod; 10. a nozzle; 11. a one-way valve I; 12. a pull ring; 13. a connecting pipe; 14. a notch; 15. mounting holes; 16. mounting a rod; 17. a storage plate; 18. a servo motor; 19. a stirring rod; 20. a blower; 21. an air supply pipe; 22. a partition plate; 23. a water outlet pipe; 24. a second storage box; 25. rotating the motor; 26. a connecting rod; 27. a first baffle plate; 28. a first connecting rod; 29. a second baffle plate; 30. a second connecting rod; 31. a baffle III; 32. a second one-way valve; 33. a filter screen plate; 34. a feed pipe; 35. capping; 36. a deamination tower main body; 37. a sludge pump; 38. a liquid inlet pipe; 39. a first transfusion tube; 40. a first water pumping pipe; 41. a second water pumping pipe; 42. a second infusion tube; 43. a blow-off pipe; 44. an electronic valve.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, an embodiment of the present invention: a kitchen waste biogas slurry treatment device comprises a base 1, an air supply pipe 21, a feed pipe 34 and a blow-off pipe 43, wherein a coagulating sedimentation tank 2 is installed at the top of the base 1, three groups of symmetrically arranged slots 3 are arranged at the top of the coagulating sedimentation tank 2, jacks 4 are arranged inside the slots 3, insertion rods 5 are embedded inside the jacks 4, fixture blocks 6 are installed at the top of the insertion rods 5, storage boxes I7 are installed on the surfaces, close to each other, of the two groups of fixture blocks 6, the storage boxes I7 are located inside the coagulating sedimentation tank 2, notches 14 are arranged at the tops of the two groups of storage boxes I7 in a penetrating manner and are of semicircular structures, one outer wall of one group of storage boxes I7 is provided with limiting holes 8 arranged in the front and back, one outer wall of the other group of storage boxes I7 is provided with limiting rods 9 arranged in the front and back, and the bottoms of the two groups of storage boxes I7 are provided with nozzles 10 uniformly arranged, the nozzle 10 is internally provided with a one-way valve I11, the top of the clamping block 6 is provided with a pull ring 12, the tops of two groups of storage boxes I7 are respectively provided with a connecting pipe 13, the limiting rod 9 is embedded with the limiting hole 8, two groups of notches 14 are respectively positioned between the limiting hole 8 and the limiting rod 9, the two groups of notches 14 are combined into a circular structure, the storage boxes I7 are of a hollow structure, the top of the storage plate 17 is provided with three groups of blowers 20 which are arranged in front and at back, the blowers 20 are respectively positioned in front of and at back of the servo motor 18, the output ends of the two groups of blowers 20 are respectively connected with air supply pipes 21, one ends of the two groups of air supply pipes 21 are respectively connected with the connecting pipes 13 on the two groups of storage boxes I7, the top of the storage boxes I7 is provided with a feeding pipe 34, the outer surface of the feeding pipe 34 is in threaded connection with a cover cap 35, and the connecting pipe 13 is positioned between the cover cap 35 and the notches 14, one side outer wall of coagulating sedimentation tank 2 is provided with blow off pipe 43 that the equidistance was arranged, and blow off pipe 43 link up with one side inner wall of coagulating sedimentation tank 2 respectively, blow off pipe 43 and baffle 22 interval distribution, the surface mounting of blow off pipe 43 has electronic valve 44, symmetrical arrangement's mounting hole 15 around the top of coagulating sedimentation tank 2 is installed, the equal gomphosis in inside of four group mounting hole 15 has installation pole 16, put thing board 17 is installed at the top of four group installation pole 16, put the servo motor 18 that three groups of equidistance were arranged at the top of thing board 17 and install puddler 19, the outer surface welding of the bottom of puddler 19 has the stirring rod of evenly arranging from top to bottom, and the stirring rod is located the below of storage tank 7, stirring rod 19 is located the inboard of notch 14, it is "concave" font structure to put thing board 17.

Furthermore, when the kitchen waste biogas slurry is treated, firstly, the mounting rod 16 is embedded with the mounting hole 15 to fix the object placing plate 17 on the coagulating sedimentation tank 2, then the biogas slurry stock solution is poured into a first space formed by the front clapboard 22 and the coagulating sedimentation tank 2, then the two groups of storage boxes 7 are connected together through the embedding of the limiting rod 9 and the limiting hole 8, so that the notch 14 can be positioned at the outer side of the stirring rod 19, then the first storage box 7 is pushed downwards, and then the clamping block 6 can be driven to be positioned in the slot 3, the first storage box 7 is fixed on the coagulating sedimentation tank 2 through the embedding of the inserted bar 5 and the inserting hole 4, then ferrous sulfate heptahydrate solution and stone slag or hydrated lime solution can be respectively poured into the two groups of storage boxes I7 through the feeding pipes 34, then, one group of blowers 20 is started firstly according to the requirement, air is blown into the first storage box 7 through the air supply pipe 21, so that the ferrous sulfate heptahydrate solution in the first storage box 7 can be sprayed into the biogas slurry stock solution in the coagulation sedimentation tank 2 through the nozzle 10 under the action of pressure, meanwhile, the servo motor 18 on the object placing plate 17 is started, then the stirring rod 19 can be driven to rotate, so that the stock solution in the first space can be fully mixed with the ferrous sulfate heptahydrate solution, thereby playing the role of coagulation, then the other group of blowers 20 are started to ensure that the stone slag or the hydrated lime solution in the other group of storage boxes I7 can be sprayed out along with the nozzles 10 so as to achieve the purpose of adjusting the PH value of the biogas slurry stock solution, can facilitate subsequent deamination work to a certain extent, through the setting of blow off pipe 43, can open electronic valve 44 then just can take mud out through blow off pipe 43 when subsequent sludge treatment.

Referring to fig. 3, an embodiment of the present invention: a kitchen waste biogas slurry treatment device, which comprises a partition plate 22 and a filter screen plate 33, wherein the partition plates 22 which are arranged in the front and back are arranged on the inner walls of the two sides of a coagulation sedimentation tank 2, the bottom of the partition plate 22 is connected with the bottom wall of the coagulating sedimentation tank 2, the partition plate 22 and the slot 3 are distributed at intervals, a water outlet pipe 23 is embedded in the front surface of the rear partition plate 22, the water outlet pipe 23 is positioned in front of the rear storage box I7, a check valve II 32 and a filter screen plate 33 are arranged in the water outlet pipe 23, the filter screen plate 33 is positioned in front of the second check valve 32, the rear partition plate 22 is of a hollow structure, the second storage boxes 24 which are uniformly distributed are arranged at the top of the rear partition plate 22, the rotating motor 25 is arranged on the top wall of the second storage boxes 24, the slotted holes which are uniformly distributed are arranged at the top of the rear partition plate 22 in a penetrating manner, the slotted hole is positioned at the inner side of the second storage box 24, the output end of the rotating motor 25 is provided with a connecting rod 26, and the joint rod 26 is positioned at the inner side of the slotted hole, the bottom of the joint rod 26 is provided with a baffle plate I27, the first baffle 27 is embedded with the upper water outlet pipe 23, the outer surface of the first baffle 27 is provided with a first connecting rod 28, the bottom end of the first connecting rod 28 is provided with a second baffle 29, the baffle II 29 is embedded with the middle water outlet pipe 23, the outer surface of the baffle II 29 is provided with a connecting rod II 30, the bottom end of the connecting rod II 30 is provided with a baffle III 31, and the baffle plate three 31 is embedded with the lower water outlet pipe 23, the outer surface of the baffle plate three 31 is connected with the inner surface of the lower water outlet pipe 23 through a shaft piece, the two groups of baffle plates 22 are divided into three parts of space by the coagulation sedimentation tank 2, the rotating motor 25 is started, the first baffle plate 27 is driven to rotate under the action of the connecting rod 26, so that the first baffle plate 27 can rotate in the upper water outlet pipe 23, and water flow can flow out of the water outlet pipe 23 along with the increase of the rotation angle.

Further, the deaminated biogas slurry is pumped into a second group of space through a sludge pump 37, then a small amount of anionic polyacrylamide and concentrated sulfuric acid are respectively poured into the two groups of first storage tanks 7, then the biogas slurry is stirred through a stirring rod 19, then suspended solid particles in water can be adsorbed through the anionic polyacrylamide, the pH value of the primary flocculation-precipitated biogas slurry stock solution is adjusted to be between 5.5 and 6.0 through the concentrated sulfuric acid, then a rotating motor 25 in a second storage tank 24 is started, then the first baffle 27 can be driven to rotate in an upper water outlet pipe 23 under the action of an engaging rod 26, then the second baffle 29 and the third baffle 31 can be driven to rotate in the middle and a lower water outlet pipe 23, then the natural pond liquid after flocculation and precipitation in the second space can flow into the third group space that rear baffle 22 and coagulating sedimentation pond 2 formed through outlet pipe 23, and intercept the flocculate that water flow in-process took down under the effect of filter plate 33, throw proper amount chelating agent and nonionic polyacrylamide in toward the last storage tank 7 after that, and spout it into through nozzle 10 in the natural pond liquid stock solution after secondary pH value adjusts, can accelerate suspension particle settling velocity in the natural pond liquid to a certain extent, thereby can improve kitchen garbage natural pond liquid's treatment effeciency and effect, and through the setting of check valve two 32, can prevent effectively that the natural pond liquid in the third space from flowing back into in the second space, flexibility and practicality when this kitchen garbage processing apparatus uses can be improved to a certain extent.

Referring to fig. 1 and fig. 2, an embodiment of the present invention: the utility model provides a processing apparatus of kitchen garbage natural pond liquid, including deamination tower main part 36 and drinking-water pipe two 41, deamination tower main part 36 that two sets of front and back were arranged is installed to the top of base 1, and deamination tower main part 36 is located one side of coagulating sedimentation tank 2, sludge pump 37 that the front and back were arranged is installed at the top of base 1, place ahead sludge pump 37 is located the place ahead of coagulating sedimentation tank 2, rear sludge pump 37 is located the centre of rear deamination tower main part 36 and coagulating sedimentation tank 2, feed liquor pipe 38 is all installed to the surface of two sets of deamination tower main parts 36, drinking-water pipe one 40 is installed to the input of place ahead sludge pump 37, and the one end of drinking-water pipe one 40 inserts in the space that place ahead baffle 22 and coagulating sedimentation tank 2 are constituteed, infusion pipe one 39 is installed to the output of place ahead sludge pump 37, and the one end of infusion pipe one 39 is connected with the one end of place ahead feed liquor pipe 38, drinking-water pipe two 41 is installed to the input of rear sludge pump 37, and the one end of drinking-water pipe two 41 is connected with the one end of rear sludge pipe 38, and the one end of rear sludge pump 37 is installed infusion pipe two 42, and the one end of infusion pipe two 42 is extended into and is made up into the space of coagulating sedimentation tank 2 by two sets of coagulating sedimentation tank 2.

Further, then start the sludge pump 37 in the place ahead, just can carry out the aeration blow-off in the liquid natural pond liquid conveying into place ahead deamination tower main part 36 through transfer line one 39 after that, after the deamination, start rear sludge pump 37, make in transfer line two 42 can carry the second space with the liquid natural pond liquid after the deamination in, come the solid particle that adsorbs aquatic suspension through a small amount of anion polyacrylamide after that, and adjust to between 5.5-6.0 through concentrated sulfuric acid with the liquid natural pond liquid pH value after the flocculation and precipitation, can improve the treatment effect of this kitchen garbage natural pond liquid to a certain extent.

Further, the treatment method of the kitchen waste biogas slurry comprises the following steps:

s1, before the kitchen waste biogas slurry treatment device is used, firstly, an installation rod 16 is inserted into an installation hole 15, and a storage plate 17 is fixed above a coagulation sedimentation tank 2 through the embedding of the installation rod 16 and the installation hole 15;

s2, when kitchen waste biogas slurry is treated, firstly, pouring biogas slurry stock solution into a space formed by the front partition plate 22 and the coagulating sedimentation tank 2, pouring a proper amount of ferrous sulfate heptahydrate solution uniformly mixed with water into one group of storage boxes I7 through the feeding pipe 34, then pouring a proper amount of stone slag or hydrated lime solution uniformly mixed with water into the other group of storage boxes I7, and screwing the cap 35, wherein the adding amount of the ferrous sulfate heptahydrate is 30000-50000mg/L, and the adding amount of the stone slag or hydrated lime is 100000-150000mg/L;

s3, starting a front sludge pump 37, pumping out the biogas slurry stock solution after pH adjustment through a first pumping pipe 40, and conveying the biogas slurry stock solution into a front deamination tower main body 36 through a first liquid conveying pipe 39 for aeration stripping, wherein the stripping time is 9-18h;

s4, then a rotating motor 25 in a second storage box 24 is started, then a first baffle plate 27 can be driven to rotate in an upper water outlet pipe 23 under the action of an engaging rod 26, meanwhile, along with the rotation of the first baffle plate 27, a second baffle plate 29 and a third baffle plate 31 can rotate in a middle water outlet pipe 23 and a lower water outlet pipe 23 under the action of a first connecting rod 28 and a second connecting rod 30, then biogas slurry subjected to flocculation precipitation in the second space flows into a third group of spaces formed by a rear partition plate 22 and a coagulation sedimentation tank 2 through the water outlet pipe 23, flocs brought in the water flowing process are intercepted under the action of a filter screen plate 33, and the biogas slurry in the third space can be effectively prevented from flowing back into the second space through the arrangement of a second one-way valve 32.

In step S1, the method further includes the steps of:

s11, then sleeving the two groups of first storage boxes 7 on the surface of the stirring rod 19 to enable the stirring rod 19 to be positioned between the upper notches 14 of the two groups of first storage boxes 7, then pushing the two groups of first storage boxes 7 until the limiting rod 9 on one group of first storage boxes 7 can be embedded into the limiting hole 8 on the other group of first storage boxes 7, then pushing the first storage boxes 7 downwards to enable the inserting rod 5 to be inserted into the inserting hole 4, fixing the first storage boxes 7 in the coagulating sedimentation tank 2 through embedding of the clamping blocks 6 and the inserting grooves 3, and connecting the connecting pipe 13 with the air blower 20 through the air supply pipe 21;

in step S2, the method further includes the steps of:

s21, starting one group of blowers 20, then blowing air into the first storage box 7 through the air feed pipe 21, so that the ferrous sulfate heptahydrate solution in the first storage box 7 can be sprayed into the biogas slurry stock solution in the coagulating sedimentation tank 2 through the nozzle 10 under the action of pressure, meanwhile, starting the servo motor 18 on the object placing plate 17, then driving the stirring rod 19 to rotate, so that the stock solution in the first space can be fully mixed with the ferrous sulfate heptahydrate solution, wherein the stirring time is 60-90min;

s22, starting the other group of blowers 20 to enable the stone slag or the hydrated lime solution in the other group of storage boxes I7 to be sprayed out along with the nozzles 10, then adjusting the pH value of the biogas slurry stock solution through the stone slag or the hydrated lime solution until the pH value of the biogas slurry stock solution is kept above 11.0, and repeating the step S21 to enable the stirring time of the stirring rod 19 to be 45-60min;

in step S3, the method further includes the steps of:

s31, after the deamination is finished, starting a rear sludge pump 37, pumping out biogas slurry stock solution from a rear deamination tower main body 36 through a second pumping pipe 41, and conveying the deaminated biogas slurry stock solution into a second space formed by two groups of partition plates 22 and a coagulating sedimentation tank 2 through a second infusion pipe 42;

s32, pouring a small amount of anionic polyacrylamide and concentrated sulfuric acid into the two groups of storage boxes I7 respectively in the same step S21 and the step S22, wherein the adding amount of the anionic polyacrylamide is 1-2mg/L, the stirring time is 10-20min, and the anionic polyacrylamide is used for adsorbing suspended solid particles in water, so that the particles are bridged or coagulated into large flocculate through charge neutralization, and the sedimentation of the suspended particles in the biogas slurry stock solution can be accelerated to a certain extent, the required amount of the concentrated sulfuric acid is 2000-5000mg/L, and the stirring time is 5min, so that the concentrated sulfuric acid can adjust the pH value of the biogas slurry stock solution subjected to primary flocculation precipitation to 5.5-6.0;

in step S4, the method further includes the steps of:

s41, adding a proper amount of chelating agent and nonionic polyacrylamide into the last storage tank I7, and spraying the chelating agent and the nonionic polyacrylamide into the biogas slurry stock solution subjected to secondary pH value adjustment through a nozzle 10, wherein the adding amount of the chelating agent is 5000-10000mg/L, and the stirring time is 60-90min, so that the purpose of coagulation is achieved, the stirring time of the nonionic polyacrylamide is 10-20min, and the adding amount is 1-2mg/L, so that the settling speed of suspended particles in the biogas slurry can be accelerated to a certain extent, and the treatment efficiency and the effect of the kitchen waste biogas slurry can be improved.

The working principle is as follows: when the kitchen waste biogas slurry is treated, firstly, biogas slurry stock solution is poured into a space formed by the front partition plate 22 and the coagulation sedimentation tank 2, heptahydrate ferrous sulfate solution and stone slag or hydrated lime solution are respectively poured into the two groups of storage boxes I7 through the feeding pipe 34, then, one group of air blowers 20 is started as required, air is blown into the storage boxes I7 through the air supply pipes 21, the heptahydrate ferrous sulfate solution in the storage boxes I7 can be sprayed into the biogas slurry stock solution in the coagulation sedimentation tank 2 through the nozzles 10 under the pressure effect, meanwhile, the servo motor 18 is started to drive the stirring rod 19 to rotate, so that the stock solution in the first space can be fully mixed with the heptahydrate ferrous sulfate solution, the function of the coagulation air blower is achieved, and then, the other group of biogas slurry 20 is started, and the stone slag or hydrated lime solution in the other group of storage boxes I7 can be sprayed out along with the nozzles 10, so as to achieve the purpose of adjusting the pH value of the stock solution;

then a front sludge pump 37 is started, biogas slurry stock solution can be conveyed into a front deamination tower main body 36 through a first conveying pipe 39 for aeration and air stripping, after the deamination is finished, a rear sludge pump 37 is started, so that a second conveying pipe 42 can convey the deaminated biogas slurry stock solution into a second space, then a small amount of anionic polyacrylamide is used for adsorbing suspended solid particles in water, and the PH value of the flocculated and precipitated biogas slurry stock solution is adjusted to be between 5.5 and 6.0 through concentrated sulfuric acid;

then, a rotating motor 25 in a second storage box 24 is started, then the baffle plate 27 can be driven to rotate in an upper water outlet pipe 23 under the action of an engaging rod 26, then the baffle plate 29 and a baffle plate 31 can be driven to rotate in the middle and lower water outlet pipes 23, so that biogas slurry in a second space can flow into a third group of space formed by a rear partition plate 22 and a coagulation sedimentation tank 2 through the water outlet pipe 23, then a proper amount of chelating agent is added and sprayed into biogas slurry stock solution subjected to secondary pH value adjustment through a nozzle 10, the purpose of coagulation is achieved, the sedimentation speed of suspended particles in the biogas slurry is accelerated through adding nonionic polyacrylamide, and the treatment efficiency and the effect of the kitchen waste biogas slurry can be improved to a certain extent.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a processing apparatus of kitchen garbage natural pond liquid, includes base (1), its characterized in that: the top of the base (1) is provided with a coagulating sedimentation tank (2), the top of the coagulating sedimentation tank (2) is provided with three groups of symmetrically arranged slots (3), and the slots (3) are internally provided with jacks (4);

an inserting rod (5) is installed in the inserting hole (4) in an embedded mode, clamping blocks (6) are installed at the top of the inserting rod (5), storage box I (7) are installed on the surfaces, close to each other, of the two groups of clamping blocks (6), the storage box I (7) is located inside the coagulating sedimentation tank (2), notches (14) are formed in the tops of the two groups of storage box I (7) in a penetrating mode, the notches (14) are of semicircular structures, limiting holes (8) which are arranged in the front and back mode are formed in the outer wall of one side of one group of storage box I (7), limiting rods (9) which are arranged in the front and back mode are installed on the outer wall of one side of the other group of storage box I (7), and nozzles (10) which are evenly arranged are arranged on the front face, the back and the bottom of the two groups of storage box I (7);

the inside mounting of nozzle (10) has check valve (11), pull ring (12) are installed at the top of fixture block (6), and connecting pipe (13) are all installed at the top of storage tank (7) for two sets of.

2. The device for treating kitchen waste biogas slurry according to claim 1, characterized in that: mounting hole (15) of symmetrical arrangement around the top of coagulating sedimentation pond (2) is installed, and the inside equal gomphosis of four groups of mounting holes (15) has installation pole (16), and the top of four groups of installation poles (16) is installed and is put thing board (17), and the top of putting thing board (17) is installed servo motor (18) that three groups of equidistance were arranged, and puddler (19) are installed at the top that the output of three groups of servo motor (18) all run through and put thing board (17).

3. The device for treating kitchen waste biogas slurry according to claim 1, characterized in that: the inner walls of two sides of the coagulation sedimentation tank (2) are provided with partition plates (22) which are arranged in the front and back, the bottom of each partition plate (22) is connected with the bottom wall of the coagulation sedimentation tank (2), the partition plates (22) and the slots (3) are distributed at intervals, a water outlet pipe (23) is embedded in the front of each rear partition plate (22), the water outlet pipe (23) is positioned in front of the rear storage box I (7), a one-way valve II (32) and a filter screen plate (33) are installed inside the water outlet pipe (23), the filter screen plate (33) is positioned in front of the one-way valve II (32), the rear partition plate (22) is of a hollow structure, the top of each rear partition plate (22) is provided with two storage boxes (24) which are uniformly arranged, a rotating motor (25) is installed on the top wall of each storage box II (24), slotted holes which are uniformly arranged are arranged in a penetrating manner are formed in the top of the rear partition plate (22), the slotted holes are positioned on the inner sides of the storage boxes (24), the output end of the rotating motor (25) is provided with an engagement rod (26), the engagement rod (26) is positioned on the inner side of the slotted hole, a baffle plate (27) is installed on the bottom of the baffle plate (27), the baffle plate (27) is installed on the middle of the baffle plate (29), and the baffle plate (29) which is embedded with the baffle plate (29), the outer surface of the second baffle (29) is provided with a second connecting rod (30), the bottom end of the second connecting rod (30) is provided with a third baffle (31), the third baffle (31) is embedded with the lower water outlet pipe (23), and the outer surface of the third baffle (31) is connected with the inner surface of the lower water outlet pipe (23) through a shaft.

4. The device for treating kitchen waste biogas slurry as claimed in claim 3, characterized in that: the top of base (1) is installed deamination tower main part (36) that two sets of front and back arranged, and deamination tower main part (36) are located one side of coagulating sedimentation tank (2), sludge pump (37) of arranging around the top of base (1) is installed, place ahead sludge pump (37) are located the place ahead of coagulating sedimentation tank (2), rear sludge pump (37) are located the centre of rear deamination tower main part (36) and coagulating sedimentation tank (2), feed liquor pipe (38) are all installed to the surface of two sets of deamination tower main parts (36), suction pipe (40) are installed to the input of place ahead sludge pump (37), and the space that place ahead baffle (22) and coagulating sedimentation tank (2) are constituteed is inserted to the one end of suction pipe (40), one (39) are installed to the output of place ahead sludge pump (37), and the one end of one (39) is connected with the one end of place ahead feed liquor pipe (38), two (41) are installed to the input of rear sludge pump (37), and two sets of suction pipe (41) are stretched into infusion pipe (22) and two sets of infusion pipe (42) and precipitate in the infusion pipe (22) and the infusion pipe (42).

5. The device for treating the biogas slurry in the kitchen waste according to any one of claims 1 to 3, characterized in that: the limiting rod (9) is embedded with the limiting hole (8), the two groups of notches (14) are respectively positioned between the limiting hole (8) and the limiting rod (9), the two groups of notches (14) are combined to form a circular structure, and the first storage box (7) is of a hollow structure;

stirring rods which are uniformly arranged up and down are welded on the outer surface of the bottom end of the stirring rod (19), the stirring rods are positioned below the first storage box (7), the stirring rod (19) is positioned on the inner side of the notch (14), and the object placing plate (17) is of an inverted concave structure;

two groups of partition plates (22) are divided into three-part spaces by the coagulation sedimentation tank (2), a rotating motor (25) is started, and a first baffle plate (27) is driven to rotate under the action of a connecting rod (26), so that the first baffle plate (27) can rotate in an upper water outlet pipe (23), and water flow can flow out of the water outlet pipe (23) along with the increase of a rotating angle.

6. The device for treating kitchen waste biogas slurry as claimed in claim 2, characterized in that: three groups of air blowers (20) which are arranged in the front and the back are installed at the top of the object placing plate (17), the air blowers (20) are respectively positioned in the front and the back of the servo motor (18), the output ends of the front and the back groups of air blowers (20) are respectively connected with air supply pipes (21), and one ends of the two groups of air supply pipes (21) are respectively connected with connecting pipes (13) on the two groups of first storage boxes (7).

7. The kitchen waste biogas slurry treatment device according to claim 1, characterized in that: the feeding pipe (34) is all installed at the top of storage tank (7), and the surface threaded connection of feeding pipe (34) has block (35), and connecting pipe (13) are located the centre of block (35) and notch (14).

8. The device for treating kitchen waste biogas slurry as claimed in claim 3, characterized in that: the outer wall of one side of coagulating sedimentation pond (2) is provided with blow off pipe (43) that the equidistance was arranged, and blow off pipe (43) link up with the inner wall of one side of coagulating sedimentation pond (2) respectively mutually, and blow off pipe (43) and baffle (22) interval distribution, and electronic valve (44) are installed to the surface of blow off pipe (43).

9. The use method of the kitchen waste biogas slurry treatment device according to any one of claims 1 to 7, characterized in that the kitchen waste biogas slurry treatment method comprises the following steps:

s1, before the kitchen waste biogas slurry treatment device is used, firstly, an installation rod (16) is inserted into an installation hole (15), and an object placing plate (17) is fixed above a coagulating sedimentation tank (2) through the embedding of the installation rod (16) and the installation hole (15);

s2, when kitchen waste biogas slurry is treated, firstly, pouring biogas slurry stock solution into a space formed by a front partition plate (22) and a coagulating sedimentation tank (2), pouring a proper amount of ferrous sulfate heptahydrate solution uniformly mixed with water into one group of storage boxes (7) through a feeding pipe (34), then pouring a proper amount of stone slag or hydrated lime solution uniformly mixed with water into the other group of storage boxes (7), and screwing a cover cap (35), wherein the adding amount of ferrous sulfate heptahydrate is 30000-50000mg/L, and the adding amount of stone slag or hydrated lime is 100000-150000mg/L;

s3, starting a front sludge pump (37), pumping out the pH-adjusted biogas slurry stock solution through a first pumping pipe (40), and conveying the biogas slurry stock solution into a front deamination tower main body (36) through a first infusion pipe (39) for aeration stripping, wherein the stripping time is 9-18h;

s4, then a rotating motor (25) in a second storage box (24) is started, then the baffle I (27) can be driven to rotate in the upper water outlet pipe (23) under the action of a connecting rod (26), meanwhile, along with the rotation of the baffle I (27), a baffle II (29) and a baffle III (31) can rotate in the middle water outlet pipe (23) and the lower water outlet pipe (23) under the action of a connecting rod I (28) and a connecting rod II (30), then biogas slurry after flocculation and precipitation in the second space flows into a third group of space formed by a rear partition plate (22) and a coagulation and precipitation tank (2) through the water outlet pipe (23), flocs brought in the water flowing process are intercepted under the action of a filter screen plate (33), and the backflow of the biogas slurry in the third space can be effectively prevented through the arrangement of a one-way valve II (32).

10. The use method of the kitchen waste biogas slurry treatment device according to claim 9, characterized in that in the step S1, the method further comprises the following steps:

s11, then sleeving the two groups of first storage boxes (7) on the surface of the stirring rod (19) to enable the stirring rod (19) to be positioned in the middle of the upper notches (14) of the two groups of first storage boxes (7), then pushing the two groups of first storage boxes (7) until the limiting rod (9) on one group of first storage boxes (7) can be embedded with the limiting hole (8) on the other group of first storage boxes (7), then pushing the first storage boxes (7) downwards to enable the inserting rod (5) to be inserted into the inserting hole (4), fixing the first storage boxes (7) in the coagulating sedimentation tank (2) through embedding of the clamping blocks (6) and the inserting grooves (3), and connecting the connecting pipe (13) and the air blower (20) through the air supply pipe (21);

in step S2, the method further includes the steps of:

s21, starting one group of blowers (20), blowing air into the first storage box (7) through the air feed pipe (21), enabling a ferrous sulfate heptahydrate solution in the first storage box (7) to be sprayed into a biogas slurry stock solution in the coagulating sedimentation tank (2) through the nozzle (10) under the action of pressure, starting a servo motor (18) on the object placing plate (17), driving a stirring rod (19) to rotate, and enabling the stock solution in the first space to be fully mixed with the ferrous sulfate heptahydrate solution, wherein the stirring time is 60-90min;

s22, starting the other group of blowers (20) to enable the stone slag or the hydrated lime solution in the other group of storage boxes I (7) to be sprayed out along with the nozzles (10), adjusting the pH value of the biogas slurry stock solution through the stone slag or the hydrated lime solution until the pH value of the biogas slurry stock solution is kept above 11.0, and repeating the step S21 to enable the stirring time of the stirring rod (19) to be 45-60min;

in step S3, the method further includes the steps of:

s31, after the deamination is finished, starting a rear sludge pump (37), pumping out biogas slurry stock solution from a rear deamination tower main body (36) through a water pumping pipe II (41), and conveying the deaminated biogas slurry stock solution into a second space formed by two groups of partition plates (22) and a coagulating sedimentation tank (2) through a liquid conveying pipe II (42);

s32, pouring a small amount of anionic polyacrylamide and concentrated sulfuric acid into the two groups of first storage boxes (7) respectively in the same steps S21 and S22, wherein the adding amount of the anionic polyacrylamide is 1-2mg/L, the stirring time is 10-20min, and the anionic polyacrylamide is used for adsorbing suspended solid particles in water, so that the particles are bridged or coagulated to form large floccules through charge neutralization, and the sedimentation of the suspended particles in the biogas slurry stock solution can be accelerated to a certain extent, the required amount of the concentrated sulfuric acid is 2000-5000mg/L, and the stirring time is 5min, so that the concentrated sulfuric acid can adjust the pH value of the biogas slurry stock solution subjected to primary flocculation precipitation to 5.5-6.0;

in step S4, the method further includes the steps of:

s41, adding a proper amount of chelating agent and nonionic polyacrylamide into the last storage tank I (7), and spraying the chelating agent and the nonionic polyacrylamide into the biogas slurry stock solution subjected to secondary pH value adjustment through a nozzle (10), wherein the adding amount of the chelating agent is 5000-10000mg/L, and the stirring time is 60-90min, so that the purpose of coagulation is achieved, the stirring time of the nonionic polyacrylamide is 10-20min, and the adding amount is 1-2mg/L, so that the settling speed of suspended particles in the biogas slurry can be accelerated to a certain extent, and the treatment efficiency and effect of the kitchen waste biogas slurry can be improved.

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