CN108929011B - Biogas slurry waste heat recycling system and method - Google Patents
Biogas slurry waste heat recycling system and method Download PDFInfo
- Publication number
- CN108929011B CN108929011B CN201810842528.1A CN201810842528A CN108929011B CN 108929011 B CN108929011 B CN 108929011B CN 201810842528 A CN201810842528 A CN 201810842528A CN 108929011 B CN108929011 B CN 108929011B
- Authority
- CN
- China
- Prior art keywords
- liquid outlet
- biogas slurry
- liquid
- rotating
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a biogas slurry waste heat recycling system which comprises a blending tank, a fermentation tank, a liquid inlet pipeline, a liquid outlet pipeline, a heat preservation shell and a pressure stabilizing device, wherein the liquid inlet end of the fermentation tank is communicated with the liquid outlet end of the blending tank through the liquid inlet pipeline, the liquid outlet end of the fermentation tank is communicated with the liquid inlet end of a waste liquid collecting tank through the liquid outlet pipeline, the pressure stabilizing device is arranged between the liquid outlet pipeline and the fermentation tank, a pipe body of the liquid outlet pipeline is linearly and spirally wound on a pipe body of the liquid inlet pipeline, the outer side of the liquid outlet pipeline is provided with the sealed heat preservation shell, the heat preservation shell contains and covers the spirally wound area of the liquid outlet pipeline and the liquid inlet pipeline, and the liquid outlet pipeline and the liquid inlet pipeline exchange heat in the heat preservation shell. The invention provides a biogas slurry waste heat recycling system and a method thereof, which are used for carrying out secondary utilization on fermented biogas slurry, improving the utilization rate of heat and reducing the loss of heat.
Description
Technical Field
The invention belongs to the field of biogas slurry fermentation, and particularly relates to a biogas slurry waste heat recycling system and a biogas slurry waste heat recycling method.
Background
In order to protect the environment and fully utilize energy in large livestock farms (pig farms, cattle farms, chicken farms, etc.), biogas plants are built, and the biogas is produced by anaerobic fermentation from livestock manure and sewage. The biogas is used as fuel or power generation, and the generated biogas residues and biogas slurry can be used as high-quality organic fertilizer. However, in the process of fermenting into biogas slurry, more heat can be taken away along with the discharge of the biogas slurry after fermentation, so that the effective utilization rate of the heat is low, the fermentation cost is increased, and resources are consumed, therefore, in order to recycle the heat energy, a heat exchanger is generally used for exchanging heat for a biogas slurry inlet pipe and a biogas slurry outlet pipe, but the whole consumption cost is increased, the solution of the heat exchanger is blocked by the biogas slurry, and the repair is difficult.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a biogas slurry waste heat recycling system and a method thereof, which are used for carrying out secondary utilization on fermented biogas slurry, improving the utilization rate of heat and reducing the loss of heat.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a natural pond liquid waste heat recovery utilizes system, includes allotment pond, fermentation vat, inlet channel, liquid outlet pipe way, lagging casing and voltage stabilizing device, the feed liquor end intercommunication of inlet channel and allotment pond is passed through to the feed liquor end of fermentation vat, the feed liquor end intercommunication of outlet channel and waste liquid collecting pit is passed through to the liquid outlet end of fermentation vat, be provided with voltage stabilizing device between liquid outlet pipe way and the fermentation vat, the linear spiral of body of liquid outlet pipe way is coiled and is set up on the body of inlet channel, just the liquid outlet pipe way outside is provided with confined lagging casing, the spiral that lagging casing held and cladding liquid outlet pipe way and inlet channel coils regionally, liquid outlet pipe way and feed liquor pipeline carry out the heat exchange in lagging casing.
Furthermore, the pressure stabilizing device comprises a liquid conveying channel, a liquid inlet connected with the fermentation tank, a liquid outlet connected with the liquid outlet pipeline and a dynamic pressure stabilizing assembly arranged inside the liquid conveying channel, wherein the dynamic pressure stabilizing assembly dynamically blocks or communicates the liquid outlet and the liquid conveying channel through the change of the flowing speed of the biogas slurry in the liquid conveying channel.
Further, developments steady voltage subassembly includes dynamic rotor and unsteady end cap, unsteady end cap setting is in liquid outlet department, the dynamic rotor rotates and sets up in the infusion passageway, just the dynamic rotor flows through the natural pond liquid that flows into in the liquid inlet and strikes the rotation, the rotational speed of dynamic rotor is directly proportional with the natural pond liquid flow velocity in the infusion passageway, be provided with centrifugal subassembly on the dynamic rotor, with centrifugal subassembly correspondence is provided with rotates the piece, it erects in the infusion passageway to rotate the piece, when dynamic rotor rotational speed exceeded the critical value, it rotates with dynamic rotor synchronous through centrifugal subassembly to rotate the piece, be provided with the driving piece on the rotation piece, the unsteady end cap shutoff liquid outlet of driving piece drive.
Furthermore, the driving piece is a first magnet, the first magnets are arranged around the circumference of the rotating axis of the rotating piece respectively, the floating plug is provided with a second magnet, the first magnet and the second magnet are arranged oppositely, opposite faces of the first magnet and the second magnet are of the same polarity, and the floating plug is continuously pressed down by mutual repulsion acting force between the first magnet and the second magnet in a high-speed rotating state of the rotating piece.
Further, the floating plug comprises a supporting plate, plugs and elastic telescopic structures, the elastic telescopic structures are symmetrically arranged on two sides of the liquid outlet hole respectively, the supporting plate is elastically displaced relative to the liquid outlet through the two elastic telescopic structures, the plugs are arranged on one side, facing the liquid outlet, of the supporting plate, and second magnets are arranged on one side, away from the liquid outlet, of the supporting plate.
Furthermore, the action surface of the first magnet or the second magnet is arranged in an inclined plane, the inclined direction of the inclined plane is arranged along the circumferential direction of the rotation of the rotating part, and the action surface of the second magnet or the first magnet is arranged in a manner of being parallel to the rotation plane of the first magnet.
Further, the pressure stabilizer still includes enclosed construction's casing, the developments rotor is the impeller, and the pivot of impeller rotates inside the casing, the inside of one of them end of pivot contains hollow centrifugal chamber, centrifugal subassembly sets up in the centrifugal chamber, it contains the through-hole to rotate the piece, it establishes in the pivot relative with centrifugal subassembly through the through-hole cover to rotate the piece.
Further, the casing is circular structure, the interval is provided with two annular spacing on the inner wall of casing, it is discoid structure to rotate the piece, the through-hole is seted up in the disc axle center, the outer fringe of rotating the piece is protruding to be equipped with the round swivel becket, the swivel becket rotates and sets up between two spacing, be provided with a plurality of balls between swivel becket and two spacing respectively.
Furthermore, the centrifugal assembly comprises a fixed seat, guide posts, a first reset spring and a connecting cap, the fixed seat and the rotating shaft are coaxially arranged, at least one guide post is arranged on the fixed seat along the radial circumference array of the rotating shaft, the connecting cap is of a cylindrical structure with one end provided with a blind hole in a concave mode along the axial direction, the connecting cap is sleeved on the guide posts through the blind holes, the other end of the connecting cap penetrates through the centrifugal cavity to be arranged outwards, the rotating shaft is correspondingly provided with through holes, the guide posts are sleeved with the first reset spring, and the connecting cap is in telescopic connection with the fixed seat through the first reset spring; the inner side wall of the through hole of the rotating part is concavely provided with an inserting groove corresponding to the connecting cap;
when the connecting cap moves to the rotating part through centrifugal motion generated by high-speed rotation of the rotating shaft, the connecting cap is inserted in the inserting groove, and the rotating part and the rotating shaft rotate synchronously; when the rotating shaft is in a low-speed rotating state, the connecting cap is located in the centrifugal cavity, the rotating part is separated from the rotating shaft, and the rotating part is static relative to the shell.
A method of a biogas slurry waste heat recycling system comprises the following steps:
s1: when the pressure of the flowing biogas slurry flowing from the liquid inlet to the liquid conveying channel is suddenly increased, the flowing speed of the biogas slurry is correspondingly increased, the rotating speed of the impeller is increased, the rotating shaft rotates at a high speed, and the connecting cap in the centrifugal assembly moves outwards under the action of centrifugal force and is inserted into the rotating part, so that the rotating part and the impeller rotate synchronously;
s2: under the action of the rotating piece rotating at a high speed, the first magnets form uninterrupted and continuous repulsive force on the second magnets on the supporting plate, so that the plugs are pressed on the liquid outlets, and the biogas slurry amount of the liquid outlets is reduced or the liquid outlets are blocked;
s3: the flow of the biogas slurry flowing out of the liquid outlet is reduced or no biogas slurry flows out, the flow speed of the biogas slurry in the infusion channel is rapidly reduced, the rotating speed of the impeller is reduced, the centrifugal force borne by the centrifugal assembly is reduced, the connecting cap withdraws from the rotating part, the rotating part is separated from the rotating shaft and stops rotating, the plug is not subjected to continuous repulsive force under the rotating state of the first magnets any more, the plug moves upwards under the action of the two elastic telescopic structures to open the liquid outlet, the amount of the biogas slurry passing through the liquid outlet is increased, the biogas slurry in the infusion channel flows out of the liquid outlet, the pressure in the infusion channel is reduced, and the biogas slurry flowing in the infusion channel continuously enables the impeller to rotate;
s4: if the water pressure in the liquid conveying channel is in a normal state, the centrifugal force generated by the rotation speed of the impeller under the action of flowing of biogas slurry is not enough to enable the connecting cap to extend out of the centrifugal cavity, and the liquid outlet keeps normal liquid outlet; if the water pressure in the liquid conveying channel is still in a high state, the flowing speed of the biogas slurry is still high, the centrifugal force generated by the rotation speed of the impeller under the action of high-speed biogas slurry flowing enables the connecting cap to extend out of the centrifugal cavity again, the processes from S1 to S3 are repeated, the floating plug and the liquid outlet form dynamic balance until the water pressure in the liquid conveying channel is normal, and the biogas slurry flowing through the liquid outlet pipeline fully exchanges heat with the biogas slurry in the liquid inlet pipeline.
Has the advantages that: according to the invention, the heat of the biogas slurry which is just fermented is utilized to heat the material to be fermented, the waste heat of the biogas slurry can be fully recovered, the waste heat utilization rate is high, and the heat loss is reduced; the forming of the biogas slurry and the recovery of the waste heat of the biogas slurry are completed in the same system, the process flow is simple, the system is easy to operate, the equipment is not redundant, and the liquid outlet pipeline is spirally wound on the liquid inlet pipeline, so that the whole structure is simple, the heat exchange is sufficient, the blockage problem caused by the use of a heat exchanger can be effectively prevented, and the maintenance cost is reduced; the liquid outlet pipeline is stabilized through the pressure stabilizing device, the stable state that the flow velocity of the biogas slurry in the liquid outlet pipeline is within a certain range is ensured, and the sufficient heat exchange between the biogas slurry in the liquid outlet pipeline and the biogas slurry in the liquid inlet pipeline is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall architecture system of the present invention;
FIG. 2 is a schematic view of the internal structure of the overall structure of the present invention;
FIG. 3 is a top view of the pressure stabilizer of the present invention;
FIG. 4 is a sectional view taken along line A-A of the pressure stabilizer of the present invention;
FIG. 5 is a perspective view of a top view of the pressure stabilizer of the present invention;
FIG. 6 is a perspective view of the dynamic rotor and rotor assembly of the present invention;
FIG. 7 is a half sectional view of the dynamic rotor and rotor combination of the present invention;
FIG. 8 is a schematic structural view of the floating plug of the present invention;
FIG. 9 is a schematic view of the first and second magnets of the present invention;
FIG. 10 is an enlarged view of the centrifuge assembly of section A of the present invention;
fig. 11 is an enlarged view of the structure of the portion B of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached drawings 1 and 2, a biogas slurry waste heat recycling system comprises a blending tank 101, a fermentation tank 105, a liquid inlet pipeline 102, a liquid outlet pipeline 103, a heat preservation shell 104 and a pressure stabilizer 3, wherein a liquid inlet end of the fermentation tank 105 is communicated with a liquid outlet end of the blending tank 101 through the liquid inlet pipeline 102, a liquid outlet end of the fermentation tank 105 is communicated with a liquid inlet end of a waste liquid collecting tank 106 through the liquid outlet pipeline 103, the pressure stabilizer 3 is arranged between the liquid outlet pipeline 103 and the fermentation tank 105, a pipe body of the liquid outlet pipeline 103 is linearly and spirally wound on a pipe body of the liquid inlet pipeline 102, namely, the liquid outlet pipeline 103 is wound along the length direction of the liquid inlet pipeline 102, the liquid outlet pipeline is in close contact with the liquid inlet pipeline to increase heat conduction efficiency, the closed heat preservation shell 104 is arranged outside the liquid outlet pipeline 103, and the heat preservation shell 104 contains and coats the spiral winding area of the liquid outlet pipeline 103 and the liquid inlet pipeline 102, the liquid outlet pipeline 103 and the liquid inlet pipeline 102 exchange heat in the heat insulation shell 104, heat of biogas slurry in the liquid outlet pipeline is further prevented from being dissipated through the heat insulation shell, and the biogas slurry is spirally wound on the liquid inlet pipeline through the liquid outlet pipeline, so that the whole structure is simple, heat exchange is sufficient, the problem of blockage caused by the use of a heat exchanger can be effectively prevented, and the maintenance cost is reduced; the liquid outlet pipeline is stabilized through the pressure stabilizing device, the stable state that the flow velocity of the biogas slurry in the liquid outlet pipeline is within a certain range is ensured, and the sufficient heat exchange between the biogas slurry in the liquid outlet pipeline and the biogas slurry in the liquid inlet pipeline is ensured.
As shown in fig. 3 and fig. 4, the pressure stabilizer 3 includes an infusion channel 6, a liquid inlet 1 connected to the fermentation tank, a liquid outlet 2 connected to the liquid outlet pipe, and a dynamic pressure stabilizing assembly disposed inside the infusion channel 6, wherein the dynamic pressure stabilizing assembly dynamically blocks or communicates the liquid outlet 2 and the infusion channel 6 through the change of the flowing speed of the biogas slurry in the infusion channel 6. The steady flow subassembly makes the natural pond liquid of liquid outlet 2 flow and takes place dynamic change according to the change that natural pond liquid flows, and the rivers in the fermentation vat are released to the natural pond liquid flow or the intermittent type nature of dynamic reduction liquid outlet 2 to reduce the water pressure and the velocity of flow that flow from liquid outlet 2, make the natural pond liquid in advance, play natural pond liquid pipeline can carry out abundant heat transfer.
As shown in fig. 4 and fig. 5, the dynamic pressure stabilizing assembly includes a dynamic rotor 5 and a floating plug 10, the floating plug 10 is disposed at the liquid outlet 2, the dynamic rotor 5 is rotatably disposed in the liquid feeding channel 6, and the dynamic rotor 5 rotates through the impact of the biogas slurry flowing in the liquid feeding port 1, the rotation speed of the dynamic rotor 5 is proportional to the flow of the biogas slurry in the liquid feeding channel 6, a centrifugal assembly 8 is disposed on the dynamic rotor 5, a rotating member 7 is disposed corresponding to the centrifugal assembly 8, the rotating member 7 is disposed in the liquid feeding channel 6, when the rotation speed of the dynamic rotor 5 exceeds a critical value, the rotating member 7 rotates synchronously with the dynamic rotor 5 through the centrifugal assembly 8, a driving member is disposed on the rotating member 7, and the driving member drives the floating plug 10 to block the liquid outlet 2; the biogas slurry flowing change of water flow under the action of higher water pressure is used for forming a connecting or separating structural form between the dynamic rotor and the rotating piece, and the floating plug enables the liquid conveying channel to be communicated or separated with the liquid outlet through the interaction of the driving piece and the floating plug 10, so that the pressure of the water flow flowing out of the liquid outlet is dynamically and gradually reduced in the liquid conveying channel.
As shown in fig. 4 to 9, the driving member is a first magnet, and a plurality of the first magnets are respectively arranged around the rotation axis circumference of the rotating member 7, the distribution density of the first magnets is set to be increased or decreased according to the rebounding speed of the second magnet, and the optimal position of the distribution density is: under the rotation state, one of them first magnet just crosses behind the second magnet, when the end cap dares to bounce-back floating, next first magnet acts on and second magnet 12 at once, make the second magnet keep lasting the state of pushing down, through this kind of mode, can reduce the quantity of first magnet on rotating 7 as far as, reduce the total mass that rotates 7, then when rotating, the reducible rotation frictional force that rotates 7, and the rotation inertia effect that rotates, guarantee when centrifugal component breaks away from and rotates 7, it can the stall fast to rotate 7, make the end cap 10 that floats move fast, reduce the time that rotates the piece and float the end cap balanced. The floating plug 10 is provided with a second magnet 12, the first magnet and the second magnet 12 are arranged oppositely, opposite faces of the first magnet and the second magnet 12 are of the same polarity, the floating plug 10 is continuously pressed down by mutual repulsive force between the first magnet and the second magnet under the state that the rotating piece 7 rotates at a high speed, and the second magnet is subjected to uninterrupted and continuous repulsive force under the state that the plurality of first magnets 9 rotate at a high speed, so that the floating plug can be pressed down to the liquid outlet.
As shown in fig. 9, the acting surface of the first magnet is an inclined surface, the inclined direction of the inclined surface is arranged along the circumferential direction of the rotation of the rotating member 7, and the acting surface of the second magnet 12 is arranged parallel to the rotation plane of the first magnet;
or the action surface of the second magnet 12 is arranged in an inclined plane, the inclined direction of the inclined plane is arranged along the circumferential direction of the rotation of the rotating part 7, and the action surface of the first magnet is arranged in parallel to the rotation plane of the first magnet;
the action surface of one magnet is an inclined surface, the action surface of the other magnet is a plane, so that a certain difference value of repulsive force is generated between the two magnets to change, namely, the repulsive force F1 to Fn is gradually reduced, when the rotating member stops rotating, if the first magnet and the second magnet are just opposite in position, the rotating member can deflect a certain angle along the axial direction through the difference value of the repulsive force, the first magnet and the second magnet are staggered and staggered, and the influence of the repulsive force when the two magnets are opposite on the floating plug is reduced.
As shown in fig. 8, the end cap 10 that floats includes backup pad 13, end cap 16 and elastic telescopic structure, and is two sets of elastic telescopic structure symmetry respectively sets up in 2 both sides in liquid outlet hole, backup pad 13 is for 2 elastic displacement of liquid outlet through two elastic telescopic structure, backup pad 13 is provided with end cap 16 towards one side of liquid outlet 2, and keeps away from one side of liquid outlet 2 and is provided with second magnet 12, elastic telescopic structure includes guide bar 15 and second reset spring 14, guide bar 15 is on a parallel with the displacement direction setting of end cap 16 at casing 11 inner wall, the cover is equipped with second reset spring 14 on the guide bar, backup pad 13 is connected with shells inner wall through second reset spring 14, makes end cap 16 for the relative displacement of liquid outlet through elastic telescopic structure to support the direction through the guide bar.
The distance between any two adjacent first magnets is greater than the maximum size of the second magnet 12, and when the second magnet 12 is located between two adjacent first magnets, the second magnet 12 is not influenced by the repulsive force of any one first magnet, or the repulsive force of the first magnet, which is influenced by the second magnet 12, is less than the acting force of the elastic telescopic structure, so that when the rotating part stops rotating, the second magnet is not influenced by the acting force of the first magnet, and the plug can be rebounded.
As shown in fig. 4 and 11, the housing 11 is a circular structure, two annular limit strips 75 are arranged on the inner wall of the housing 11 at intervals, the rotating member 7 is a disc-shaped structure, the through hole 72 is opened at the axis of the disc, a circle of rotating ring 73 is convexly arranged at the outer edge of the rotating member 7, the rotating ring 73 is rotatably arranged between the two limit strips 75, a plurality of balls 74 are respectively arranged between the rotating ring 73 and the two limit strips 75, the rotating member is suspended and erected inside the housing 11 through the limit strips 75, the internal space is reasonably utilized, the space occupation is reduced, and the rotating friction force of the rotating member is reduced through the balls 74.
As shown in fig. 4 and 10, the centrifugal assembly 8 includes a fixing base 80, a guide post 81, a first return spring 82 and a connecting cap 84, the fixed seat 80 is coaxially arranged with the rotating shaft 51, at least one guide column 81 is arranged on the fixed seat 80 along the radial circumference array of the rotating shaft 51, the fixed seat 80 is a triangular prism structure, the three guide pillars 81 are respectively vertically arranged on three edge surfaces of the fixed seat 80, and through the triangular prism structure, the space occupation ratio is small, the structural stability is high, the connecting cap 84 is a cylindrical structure with one end provided with a blind hole 83 along the axial direction in a concave manner, the connecting cap 84 is sleeved on the guide post 81 through the blind hole 83, the other end of the connecting cap 84 passes through the centrifugal cavity 52 and is arranged outwards, the rotating shaft 51 is correspondingly provided with a through hole 53, the guide post 81 is sleeved with a first return spring 82, and the connecting cap 84 is telescopically connected with the fixed seat 80 through the first return spring 82; the inner side wall of the through hole 72 of the rotating part 7 is concavely provided with an inserting groove 71 corresponding to the connecting cap 84; when the connecting cap 84 moves to the rotating member 7 by generating centrifugal motion by the high-speed rotation of the rotating shaft 51, the connecting cap 84 is inserted into the insertion groove 71, and the rotating member 7 rotates synchronously with the rotating shaft 51; when the rotating shaft 51 is in a low-speed rotating state, the connecting cap 84 is located in the centrifugal cavity, the rotating member 7 is separated from the rotating shaft 51, and the rotating member 7 is stationary relative to the housing 11. This centrifugation subassembly's simple structure easily realizes, and this structure is located centrifugal cavity, and under low-speed rotation, the connection cap is flexible at this centrifugal cavity, and the action is quick, connects stably. Under normal water pressure, connect the cap and also receive centrifugal force's effort, but the centripetal force of connecting the cap this moment is greater than centrifugal force, connects the tip of cap and is close to in the edge of perforation 53, increases suddenly when water pressure, and water flow velocity accelerates, connects the centrifugal force that the cap received and increases, makes to connect the cap and can outwards stretch out the centrifugal cavity rapidly and connect and rotate piece 7 to make end cap shutoff liquid outlet 2 that floats or reduce the interval between liquid outlet 2 and the infusion passageway.
When the rotating shaft 51 rotates at a low speed, the connecting cap 84 is located in the centrifugal cavity, and the abutting end 85 of the connecting cap 84 is just flush with the outer circumferential surface of the rotating shaft 51, when the rotating speed is increased to enable the connecting cap to generate centrifugal motion, the abutting end 85 can rapidly extend into the insertion groove of the rotating member, and the rotating member and the rotating shaft can rapidly rotate synchronously.
A method of a biogas slurry waste heat recycling system comprises the following steps:
s1: when the pressure of the flowing biogas slurry flowing from the liquid inlet 1 to the liquid conveying channel 6 is suddenly increased, the flowing speed of the biogas slurry is correspondingly increased, the rotating speed of the impeller is increased, the rotating shaft 51 rotates at a high speed, and the connecting cap 84 in the centrifugal assembly moves outwards under the action of centrifugal force and is inserted into the rotating part 7, so that the rotating part 7 and the impeller rotate synchronously;
s2: under the action of the rotating part 7 rotating at a high speed, the first magnets form uninterrupted and continuous repulsive force on the second magnet 12 on the supporting plate 13, so that the plug 10 is pressed down on the liquid outlet 2, and the biogas slurry amount of the liquid outlet 2 is reduced or the liquid outlet is blocked;
s3: the flow of the biogas slurry flowing out of the liquid outlet is reduced or no biogas slurry flows out, the flow speed of the biogas slurry in the liquid conveying channel 6 is rapidly reduced, the rotating speed of the impeller is reduced, the centrifugal force borne by the centrifugal assembly is reduced, the connecting cap 84 retreats from the rotating part 7, the rotating part 7 is separated from the rotating shaft 51 and stops rotating, the plug is not subjected to continuous repulsive acting force under the rotating state of a plurality of first magnets any more, the plug 10 moves upwards under the action of the two elastic telescopic structures to open the liquid outlet 2, the biogas slurry passing through the liquid outlet is increased, the biogas slurry in the liquid conveying channel flows out of the liquid outlet, the pressure in the liquid conveying channel 6 is reduced, and the biogas slurry in the liquid conveying channel continuously enables the impeller to rotate;
s4: if the water pressure in the liquid conveying channel 6 is in a normal state, the centrifugal force generated by the rotation speed of the impeller under the action of flowing biogas slurry is not enough to enable the connecting cap 84 to extend out of the centrifugal cavity, and the liquid outlet keeps normal liquid outlet; if the water pressure in the liquid conveying channel 6 is still in a high state, the biogas slurry flowing speed is still high, the centrifugal force generated by the rotation speed of the impeller under the action of high-speed biogas slurry flowing enables the connecting cap 84 to extend out of the centrifugal cavity again, the processes from S1 to S3 are repeated, the floating plug and the liquid outlet form dynamic balance until the water pressure in the liquid conveying channel 6 is normal, and the biogas slurry flowing through the liquid outlet pipeline 103 fully exchanges heat with the biogas slurry in the liquid inlet pipeline 102.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. The utility model provides a natural pond liquid waste heat recovery utilizes system which characterized in that: comprises a blending tank (101), a fermentation tank (105), a liquid inlet pipeline (102), a liquid outlet pipeline (103), a heat-insulating shell (104) and a pressure stabilizing device (3), the liquid inlet end of the fermentation tank (105) is communicated with the liquid outlet end of the blending tank (101) through a liquid inlet pipeline (102), the liquid outlet end of the fermentation tank (105) is communicated with the liquid inlet end of the waste liquid collecting tank (106) through a liquid outlet pipeline (103), a pressure stabilizing device (3) is arranged between the liquid outlet pipeline (103) and the fermentation tank (105), the pipe body of the liquid outlet pipeline (103) is linearly and spirally wound on the pipe body of the liquid inlet pipeline (102), and a closed heat-insulating shell (104) is arranged outside the liquid outlet pipeline (103), the heat-insulating shell (104) accommodates and covers the spiral winding area of the liquid outlet pipeline (103) and the liquid inlet pipeline (102), the liquid outlet pipeline (103) and the liquid inlet pipeline (102) exchange heat in the heat-preserving shell (104);
the pressure stabilizing device (3) comprises a liquid conveying channel (6), a liquid inlet (1) connected with the fermentation tank, a liquid outlet (2) connected with the liquid outlet pipeline and a dynamic pressure stabilizing assembly arranged in the liquid conveying channel (6), wherein the dynamic pressure stabilizing assembly dynamically blocks or communicates the liquid outlet (2) and the liquid conveying channel (6) through the change of the flowing speed of biogas slurry in the liquid conveying channel (6);
the dynamic pressure stabilizing assembly comprises a dynamic rotor (5) and a floating plug (10), the floating plug (10) is arranged at a liquid outlet (2), the dynamic rotor (5) is rotatably arranged in a liquid conveying channel (6), the dynamic rotor (5) is rotated through the flowing impact of biogas slurry flowing into a liquid inlet (1), the rotating speed of the dynamic rotor (5) is in direct proportion to the flowing speed of the biogas slurry in the liquid conveying channel (6), a centrifugal assembly (8) is arranged on the dynamic rotor (5), a rotating part (7) is correspondingly arranged with the centrifugal assembly (8), the rotating part (7) is erected in the liquid conveying channel (6), when the rotating speed of the dynamic rotor (5) exceeds a critical value, the rotating part (7) is synchronously rotated with the dynamic rotor (5) through the centrifugal assembly (8), and a driving part is arranged on the rotating part (7), the driving piece drives the floating plug (10) to plug the liquid outlet (2);
the driving part is a first magnet, the first magnets are arranged around the circumference of the rotating axis of the rotating part (7) respectively, a second magnet (12) is arranged on the floating plug (10), the first magnet and the second magnet (12) are arranged oppositely, the opposite surfaces of the first magnet and the second magnet (12) are of the same polarity, and the floating plug (10) is continuously pressed down by the mutual repulsion acting force between the first magnet and the second magnet under the high-speed rotating state of the rotating part (7);
the pressure stabilizing device (3) further comprises a shell (11) with a closed structure, the dynamic rotor (5) is an impeller, a rotating shaft (51) of the impeller rotates inside the shell (11), the inside of one end of the rotating shaft (51) contains a hollow centrifugal cavity (52), the centrifugal component (8) is arranged in the centrifugal cavity (52), the rotating component (7) contains a through hole (72), and the rotating component (7) is sleeved on the rotating shaft opposite to the centrifugal component (8) through the through hole (72);
the centrifugal component (8) comprises a fixed seat (80), guide columns (81), a first reset spring (82) and a connecting cap (84), wherein the fixed seat (80) and a rotating shaft (51) are coaxially arranged, at least one guide column (81) is arranged on the fixed seat (80) along the radial circumference array of the rotating shaft (51), the connecting cap (84) is of a cylindrical structure, one end of the cylindrical structure is provided with a blind hole (83) along the axial direction in a concave mode, the connecting cap (84) is sleeved on the guide columns (81) through the blind hole (83), the other end of the connecting cap (84) penetrates through a centrifugal cavity (52) to be arranged outwards, the rotating shaft (51) is correspondingly provided with a through hole (53), the guide columns (81) are sleeved with the first reset spring (82), and the connecting cap (84) is in telescopic connection with the fixed seat (80) through the first reset spring (82); the inner side wall of the through hole (72) of the rotating piece (7) is concavely provided with an inserting groove (71) corresponding to the connecting cap (84);
when the connecting cap (84) rotates at a high speed through the rotating shaft (51) to generate centrifugal motion and moves towards the rotating part (7), the connecting cap (84) is inserted in the inserting groove (71), and the rotating part (7) and the rotating shaft (51) rotate synchronously; when the rotating shaft (51) rotates at a low speed, the connecting cap (84) is positioned in the centrifugal cavity, the rotating part (7) is separated from the rotating shaft (51), and the rotating part (7) is static relative to the shell (11).
2. The biogas slurry waste heat recycling system according to claim 1, characterized in that: unsteady end cap (10) are including backup pad (13), end cap (16) and elastic telescopic structure, and are two sets of elastic telescopic structure symmetry respectively sets up in liquid outlet (2) both sides, backup pad (13) are for liquid outlet (2) elastic displacement through two elastic telescopic structure, backup pad (13) are provided with end cap (16) towards one side of liquid outlet (2), and keep away from one side of liquid outlet (2) and be provided with second magnet (12).
3. The biogas slurry waste heat recycling system according to claim 2, characterized in that: the action surface of the first magnet or the second magnet (12) is arranged in an inclined plane, the inclined direction of the inclined plane is arranged along the circumferential direction of the rotation part (7) in a rotating mode, and the action surface of the second magnet (12) or the first magnet is arranged in a rotating plane parallel to the first magnet.
4. The biogas slurry waste heat recycling system according to claim 3, characterized in that: casing (11) are circular structure, the interval is provided with two annular spacing (75) on the inner wall of casing (11), it is discoid structure to rotate piece (7), set up in the disc axle center through-hole (72), the outer fringe of rotating piece (7) is protruding to be equipped with round swivel becket (73), swivel becket (73) rotate and set up between two spacing (75), be provided with a plurality of balls (74) between swivel becket (73) and two spacing (75) respectively.
5. The recycling method of the biogas slurry waste heat recycling system according to claim 4, characterized in that: the method comprises the following steps:
s1: when the pressure of the flowing biogas slurry flowing from the liquid inlet (1) to the liquid conveying channel (6) is suddenly increased, the flowing speed of the biogas slurry is correspondingly increased, the rotating speed of the impeller is increased, the rotating shaft (51) rotates at a high speed, and the connecting cap (84) in the centrifugal assembly moves outwards under the action of centrifugal force and is inserted into the rotating part (7), so that the rotating part (7) and the impeller rotate synchronously;
s2: under the action of the rotating piece (7) rotating at a high speed, the first magnets form uninterrupted and continuous repulsive acting force on the second magnets (12) on the supporting plate (13), so that the plug is pressed down on the liquid outlet (2), and the biogas slurry amount of the liquid outlet (2) is reduced or the liquid outlet is blocked;
s3: the flow of the biogas slurry flowing out of the liquid outlet is reduced or no biogas slurry flows out, the flow speed of the biogas slurry in the infusion channel (6) is rapidly reduced, the rotating speed of the impeller is reduced, the centrifugal force borne by the centrifugal assembly is reduced, the connecting cap (84) withdraws from the rotating part (7), the rotating part (7) is separated from the rotating shaft (51) and stops rotating, the plug is not subjected to continuous repulsive force under the rotating state of a plurality of first magnets any more, the plug moves upwards under the action of two elastic telescopic structures to open the liquid outlet (2), the amount of the biogas slurry passing through the liquid outlet is increased, the biogas slurry in the infusion channel flows out of the liquid outlet, the pressure in the infusion channel (6) is reduced, and the impeller continues to rotate due to the flow of the biogas slurry in the infusion channel;
s4: if the water pressure in the liquid conveying channel (6) is in a normal state, the centrifugal force generated by the rotation speed of the impeller under the action of flowing biogas slurry is not enough to enable the connecting cap (84) to extend out of the centrifugal cavity, and the liquid outlet keeps normal liquid outlet; if the water pressure in the liquid conveying channel (6) is still in a high state, the flowing speed of the biogas slurry is still high, the centrifugal force generated by the rotation speed of the impeller under the action of high-speed biogas slurry flowing enables the connecting cap (84) to extend out of the centrifugal cavity again, the processes of S1-S3 are repeated, the floating plug and the liquid outlet form dynamic balance until the water pressure in the liquid conveying channel (6) is normal, and the biogas slurry flowing through the liquid outlet pipeline (103) fully exchanges heat with the biogas slurry in the liquid inlet pipeline (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842528.1A CN108929011B (en) | 2018-07-27 | 2018-07-27 | Biogas slurry waste heat recycling system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842528.1A CN108929011B (en) | 2018-07-27 | 2018-07-27 | Biogas slurry waste heat recycling system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108929011A CN108929011A (en) | 2018-12-04 |
| CN108929011B true CN108929011B (en) | 2022-01-11 |
Family
ID=64445208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810842528.1A Active CN108929011B (en) | 2018-07-27 | 2018-07-27 | Biogas slurry waste heat recycling system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108929011B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519874Y (en) * | 2001-10-30 | 2002-11-06 | 颜可根 | Water quantity flow stabilizer |
| CN102586083A (en) * | 2012-03-16 | 2012-07-18 | 方朝阳 | Waste heat heating type blending and settling device and application method thereof |
| CN203605979U (en) * | 2013-12-16 | 2014-05-21 | 成都高新区华汇实业有限公司 | Axial-flow type water flow sensor with flow stabilization function |
| CN105042093A (en) * | 2015-08-21 | 2015-11-11 | 重庆诚硕科技有限公司 | Valve with adjustable opening and closing frequency |
| CN205537780U (en) * | 2015-12-22 | 2016-08-31 | 邹修发 | Decompression water gauge prevents frostbite |
| CN108264162A (en) * | 2018-04-08 | 2018-07-10 | 朱兆明 | A kind of circulating sewage water treatment facilities and its method |
-
2018
- 2018-07-27 CN CN201810842528.1A patent/CN108929011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519874Y (en) * | 2001-10-30 | 2002-11-06 | 颜可根 | Water quantity flow stabilizer |
| CN102586083A (en) * | 2012-03-16 | 2012-07-18 | 方朝阳 | Waste heat heating type blending and settling device and application method thereof |
| CN203605979U (en) * | 2013-12-16 | 2014-05-21 | 成都高新区华汇实业有限公司 | Axial-flow type water flow sensor with flow stabilization function |
| CN105042093A (en) * | 2015-08-21 | 2015-11-11 | 重庆诚硕科技有限公司 | Valve with adjustable opening and closing frequency |
| CN205537780U (en) * | 2015-12-22 | 2016-08-31 | 邹修发 | Decompression water gauge prevents frostbite |
| CN108264162A (en) * | 2018-04-08 | 2018-07-10 | 朱兆明 | A kind of circulating sewage water treatment facilities and its method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108929011A (en) | 2018-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103216375B (en) | A kind of bulb through-flow turbine for micro-water head power station | |
| CN104100450A (en) | Simple hydraulic power unit | |
| US20110081250A1 (en) | Hydro-kinetic transport wheel | |
| CN101354004A (en) | All-purpose hydroturbine | |
| CN108929011B (en) | Biogas slurry waste heat recycling system and method | |
| CN203239485U (en) | Bulb through-flow turbine used for micro waterhead power station | |
| CN217649605U (en) | Ocean monitoring buoy | |
| CN112049748A (en) | Water turbine and hydroelectric generator | |
| CN215949719U (en) | Small and micro water flow constant-pressure hydroelectric power station | |
| CN102913366B (en) | Inline closed type hydroelectric generation system | |
| CN208702602U (en) | Unit is used in a kind of power generation of water conservancy and hydropower | |
| CN212751985U (en) | Miniature water flow generator | |
| CN207454159U (en) | A kind of hydroelectric installation | |
| KR101564723B1 (en) | Centrifugal generating heat pump | |
| CN114458518A (en) | High-efficient water kinetic energy carousel formula generating set | |
| CN105066423A (en) | Electromagnetic stirring damping type wind-heating device | |
| CN107201983A (en) | A kind of pumped-storage power generation device | |
| KR20130006243A (en) | A multiplicity spiral turbine water power generator system | |
| WO2015145185A2 (en) | Hopper water turbine | |
| KR101196356B1 (en) | Magnetism-operation of Vertical axis a Water current Hydraulic turbine | |
| CN104929697A (en) | Axial flow turbine capable of adjusting flow speed of fluid | |
| CN221169821U (en) | Small hydroelectric power station | |
| CN109441837A (en) | A kind of energy-saving water pumping device | |
| CN109113916A (en) | A kind of no ponding whirling motion whirlpool leaf hydroelectric generation component | |
| CN2131998Y (en) | High-speed multifunctional oblique-projection centrifugul pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211228 Address after: 225002 Dongxi Avenue, Gaoyou high tech Industrial Development Zone, Yangzhou City, Jiangsu Province Applicant after: Yangzhou Feng Feng hi tech Industry Investment Development Group Co.,Ltd. Address before: 214000 Jiangsu Wuxi, new Lake District, No. 200, Linghu Avenue, innovation network 2 Applicant before: WUXI FEISHU TECHNOLOGY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |