Feces pretreatment all-in-one machine
By designing the filtration and slag discharge mechanism of the integrated fecal pretreatment machine, the problems of unsatisfactory solid-liquid separation and poor solid slag transportation in fecal treatment plants have been solved, achieving efficient solid-liquid separation and equipment reliability, and making it suitable for urban fecal treatment.
Patent Information
- Application Number
- CN202520075188.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing sewage treatment plants suffer from problems such as screen clogging, unsatisfactory solid-liquid separation, and poor solid residue transportation, which affect treatment efficiency and effectiveness.
Design an integrated pretreatment machine for feces, including a hopper, a filtration mechanism, and a slag discharge mechanism. The filtration mechanism achieves solid-liquid separation through a filter element and a rotating brush agitator. The slag discharge mechanism is used to discharge the filter residue and is equipped with cleaning and limiting devices to prevent clogging and accumulation.
It achieves effective solid-liquid separation of feces. The separated solids can be used for landfill or landscaping, while the liquid can be used for subsequent treatment. The equipment has a simple structure, high reliability, and long service life.
Smart Images

Figure CN223752608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of urban excrement front-end pretreatment equipment, specifically to a kind of excrement pretreatment all-in-one machine. BACKGROUND
[0002] With the economic development, urbanization accelerates, and the population of urban area is increasing. Because the previous construction of urban infrastructure failed to develop in coordination with economy, the excrement discharged from septic tank is not treated, which causes certain environmental pollution and may affect the life and health of residents. Therefore, major cities have begun to consider building urban excrement treatment system. Urban excrement comes from public toilets and septic tanks, and will be transported to excrement treatment plant by sealed tank truck for treatment. However, the existing excrement treatment plant has the following main problems in actual work: 1. screen clogging problem, which leads to decrease in treatment capacity and affects efficiency; 2. unsatisfactory solid-liquid separation effect; and 3. unsmooth solid residue conveying. SUMMARY
[0003] To solve the problem of difficult excrement pretreatment and low efficiency in the background art, the utility model provides an excrement pretreatment all-in-one machine.
[0004] The technical scheme of the utility model is as follows: an excrement pretreatment all-in-one machine, comprising a frame body, further comprising:
[0005] a stock bin arranged on the frame body, wherein the stock bin is provided with a feeding port, a discharging port and a containing cavity;
[0006] a filtering mechanism arranged on the stock bin and used for realizing solid-liquid separation, wherein the filtering mechanism comprises a filter assembly and a rotating brush stirring assembly, the filter assembly is sleeved outside the rotating brush stirring assembly, and the filter assembly and the rotating brush stirring assembly are both inserted into the containing cavity; the material contained in the containing cavity passes through the filter assembly and makes filtrate discharged from the discharging port;
[0007] a residue discharging mechanism arranged below the stock bin and connected with the containing cavity and used for discharging filter residue.
[0008] As a further improvement of the utility model, the filter assembly comprises a filter core and a filter cylinder, the filter cylinder is sleeved outside the filter core, the filter core is provided with a plurality of filter holes, the material in the containing cavity enters the filter assembly from the bottom of the filter cylinder and realizes solid-liquid separation after being filtered by the filter core, so that the liquid is discharged from the discharging port.
[0009] As a further improvement of the utility model, the rotating brush stirring assembly comprises a stirring power source and a stirring shaft, the stirring power source is connected with the stirring shaft and used for driving the stirring shaft to rotate, the stirring shaft is provided with stirring blades, and the stirring blades are inserted into the filter core and used for removing the substances clogging the filter holes.
[0010] As a further improvement of the utility model, the cleaning plate is arranged on the stirring blade, the cleaning plate is matched with the inner wall of the filter core, and the distance between the cleaning plate and the stirring shaft is adjustable.
[0011] As a further improvement of the utility model, the filter core and the filter cylinder are provided with the connecting plate, and the filter core and the filter cylinder form the material containing space.
[0012] As a further improvement of the utility model, the pollution discharging plate is further arranged, the connecting plate is provided with the pollution discharging hole, the pollution discharging plate has the first position for shielding the pollution discharging hole and the second position for opening the pollution discharging hole to connect the material containing space with the residue discharging mechanism.
[0013] As a further improvement of the utility model, the limiting cylinder and the limiting shaft are further arranged, the pollution discharging shaft is arranged on the pollution discharging plate, the pollution discharging shaft is arranged through the limiting cylinder and is provided with the limiting part at the end, and the limiting shaft is inserted into the limiting cylinder to keep the position of the pollution discharging shaft.
[0014] As a further improvement of the utility model, the cleaning mechanism is further arranged, is inserted into the filter core or above the filter core, and is used for cleaning the filter core; the cleaning mechanism comprises the first cleaning nozzle and the second cleaning nozzle; a plurality of the first cleaning nozzles and the second cleaning nozzles are arranged; and the projections of the first cleaning nozzles and the second cleaning nozzles on the horizontal plane are arranged in the inner and outer layers.
[0015] As a further improvement of the utility model, the residue discharging mechanism comprises:
[0016] The residue discharging shell is provided with the residue discharging cavity and the residue discharging outlet; the containing cavity is communicated with the residue discharging cavity; and the containing cavity is further provided with the overflow residue discharging pipe;
[0017] The residue discharging blade is arranged in the residue discharging cavity and is used for discharging the filter residue from the residue discharging outlet;
[0018] The residue discharging power source is connected with the residue discharging blade and is used for driving the residue discharging blade to rotate.
[0019] As a further improvement of the utility model, the residue discharging blade is the shaftless spiral blade, and the included angle between the residue discharging blade and the horizontal plane is 18-25 degrees.
[0020] The utility model has the advantages that the solid and liquid in the excrement can be effectively separated through the filtering mechanism, the separated solid part can be directly used for landfill or used as the organic fertilizer for landscaping after harmless treatment, the separated liquid part can enter the subsequent treatment section or be discharged into the sewage treatment plant, and the utility model has the advantages of simple structure, convenient assembly, reliable action, long service life and the like. BRIEF DESCRIPTION OF DRAWINGS
[0021] ATTACHMENT Figure 1 is a structural schematic view of the embodiment of the utility model.
[0022] ATTACHMENT Figure 2 is an explosion structural schematic view of the embodiment of the utility model.
[0023] ATTACHMENT Figure 3 is a structural schematic view of the slagging mechanism of the embodiment of the utility model.
[0024] ATTACHMENT Figure 4 is a structural schematic view of the filtering mechanism of the embodiment of the utility model.
[0025] ATTACHMENT Figure 5 is an explosion structural schematic view of the attachment Figure 4 .
[0026] ATTACHMENT Figure 6 is an explosion structural schematic view of the attachment Figure 4 in another direction.
[0027] In the figure, 1, frame body; 2, stock bin; 21, feed inlet; 22, discharge outlet; 23, accommodating cavity; 24, overflow slagging pipe; 3, filtering mechanism; 31, filtering assembly; 311, filter core; 3111, filter hole; 312, filter cartridge; 313, connecting plate; 314, material containing space; 32, rotating brush stirring assembly; 321, stirring power source; 322, stirring shaft; 323, stirring blade; 324, cleaning plate; 33, blowdown plate; 331, limiting cylinder; 332, limiting shaft; 333, blowdown shaft; 334, limiting portion; 34, cleaning mechanism; 341, first cleaning nozzle; 342, second cleaning nozzle; 4, slagging mechanism; 41, slagging shell; 411, slagging cavity; 412, slagging outlet; 42, slagging blade; 43, slagging power source. DETAILED DESCRIPTION
[0028] The embodiment of the utility model will be further described below in combination with the drawings:
[0029] By Figure 1 in combination Figures 2-6 It is shown that a manure pretreatment all-in-one machine includes a frame body 1, and further includes:
[0030] Stock bin 2 is arranged on frame body 1; the stock bin 2 is provided with a feed inlet 21, a discharge outlet 22 and an accommodating cavity 23; of course, in practice, the feed inlet can be provided with a feed pipe, and the discharge outlet can be provided with a discharge pipe;
[0031] The filtering mechanism 3 is arranged on the silo 2 and is used for realizing solid-liquid separation; the filtering mechanism 3 comprises a filtering assembly 31 and a rotating brush stirring assembly 32, the filtering assembly 31 is sleeved outside the rotating brush stirring assembly 32, and both the filtering assembly 31 and the rotating brush stirring assembly 32 are inserted into the containing cavity 23; the material contained in the containing cavity 23 passes through the filtering assembly 31 and makes filtrate discharged from the discharge port 22;
[0032] The residue discharging mechanism 4 is arranged below the silo 2 and is connected with the containing cavity 23 and is used for discharging filter residue.
[0033] The filtering assembly 31 comprises a filter core 311 and a filter cylinder 312, the filter cylinder 312 is sleeved outside the filter core 311, and a plurality of filtering holes 3111 are arranged on the filter core 311; the material in the containing cavity 23 enters the filtering assembly 31 from the bottom of the filter cylinder 312 and is filtered through the filter core 311, so that solid-liquid separation is realized and liquid is discharged from the discharge port 22. Actually, the filtering holes have multiple layers (only two layers are shown in the drawing), each layer of filtering holes has a plurality of filtering holes, and each layer of filtering holes is uniformly distributed on the filter core. Specifically, the filter core 311 and the filter cylinder 312 are provided with a connecting plate 313 at the bottom, and a material containing space 314 is formed between the filter core 311 and the filter cylinder 312. After the material enters the silo through the feeding pipe (feeding port), the material enters the filter core through the feeding hole at the bottom of the filter core, is subjected to solid-liquid separation through the filtering holes of the filter core, the filtrate enters the middle part (material containing space) of the filter core, and is overflowed out through the discharge pipe (discharge port), and the filter residue sinks to the bottom of the silo and is discharged through the screw conveyor; the treatment precision can be changed by changing the size and gap of the filter core (the filtering holes shown in the drawing are only two layers). The utility model solves the actual problem that the solid-liquid separation effect is not ideal and reduces the solid content of the filtrate.
[0034] The stirring assembly 32 comprises a stirring power source 321 and a stirring shaft 322, the stirring power source 321 is connected with the stirring shaft 322 and is used for driving the stirring shaft 322 to rotate, the stirring shaft 322 is provided with stirring blades 323, the stirring blades 323 are inserted into the filter core 311 and are used for removing the substances blocking the filter holes 3111. Specifically, the stirring blades 323 are provided with cleaning plates 324, the cleaning plates 324 are matched with the inner wall of the filter core 311, and the spacing between the cleaning plates 324 and the stirring shaft 322 is adjustably arranged. When the material passes through the filter core and enters the middle part of the filter core, the solid-liquid separation can be realized, and the filter holes are blocked by the solid residues or paper towels and the like when the material passes through. The stirring device (the stirring assembly) is configured to dredge the blocked filter holes during the operation process, so that the filtration is continuously carried out. A speed reducer can be arranged on the stirring power source, the speed reducer is a hollow shaft speed reducer, the structure is simple, and the speed reducer is convenient to install. The stirring type adopts a frame structure, two stirring blades are arranged in a clamping type and are fixed on the stirring shaft through bolts, the middle part is locked by a jackscrew, the end of the stirring blade is fixed with a cleaning plate, specifically, the cleaning plate is a Teflon plate (polytetrafluoroethylene plate), the extension length can be adjusted, the cleaning plate can better match the filter core, and the purpose of cleaning the solid residues is achieved. In this way, the filter holes can be prevented from being blocked during the filtration process, the filtration is continuously carried out, the processing capacity is improved, and the filtration efficiency is improved.
[0035] The utility model also includes sewage board 33, connecting plate 313 be equipped with sewage hole, sewage board 33 have first position of blocking sewage hole and open sewage hole make the material space 314 with the second position of discharging mechanism 4. Specifically, the utility model also includes limiting cylinder 331 and limiting shaft 332, sewage shaft 333 is equipped on sewage board 33, sewage shaft 333 passes through limiting cylinder 331 setting and sets up limiting portion 334 at the end, limiting shaft 332 inserts into limiting cylinder 331 and is used for keeping the position of sewage shaft 333. In order to prevent small solid residues from accumulating in the middle part of the filter core (the material space), after the equipment operation is finished, the cleaning pipeline is matched, solid residues are discharged to the discharging mechanism, and the solid residues are conveyed out by the discharging mechanism; the connecting rod has two crosspieces (limiting shafts), which are used for controlling the plug-in board (the sewage board), realizing the prevention of the opening of the sewage board after being closed, the anti-falling function after the opening of the sewage board, so that the product is clean, the solid residues are prevented from accumulating to affect the filter core, and the service life of the equipment is improved. The limiting portion is arranged to avoid the movement of the sewage shaft and the plug-in board.
[0036] The utility model also includes cleaning mechanism 34, inserts into filter core 311 or above filter core 311, is used for filter core 311 cleaning, the cleaning mechanism 34 includes first cleaning nozzle 341 and second cleaning nozzle 342, first cleaning nozzle 341 and second cleaning nozzle 342 all are equipped with a plurality, the projection of first cleaning nozzle 341 and second cleaning nozzle 342 on horizontal plane is divided into inner and outer layer settings.
[0037] The cleaning device is started after the equipment operation is finished, and the cleaning nozzle is divided into two layers of inner and outer layers; the outer layer flushes the middle part of the filter core, and adopts a 120-degree solid cone nozzle with four-point injection; the inner layer flushes the feed side of the filter core, and adopts a 120-degree fan-shaped cone nozzle with three-point injection, and the cleaning pipeline is installed at the filter core cleaning support; usually, the outer ring cleans the solid slag deposited in the middle part (the material space), and the inner ring cleans the slag attached to the inner wall of the filter core. In this way, the equipment can be cleaned, the solid slag accumulation affecting the filter core can be prevented, and the service life of the equipment is improved.
[0038] The slag discharging mechanism 4 comprises:
[0039] A slag discharging shell 41 is provided with a slag discharging cavity 411 and a slag discharging outlet 412; the accommodating cavity 23 is communicated with the slag discharging cavity 411; and the accommodating cavity 23 is further provided with an overflow slag discharging pipe 24;
[0040] A slag discharging blade 42 is arranged in the slag discharging cavity 411 and used for discharging the filter slag from the slag discharging outlet 412;
[0041] A slag discharging power source 43 is connected with the slag discharging blade 42 and used for driving the slag discharging blade 42 to rotate. Specifically, the slag discharging blade 42 is a shaftless spiral blade, and the included angle between the slag discharging blade 42 and the horizontal plane is 18-25 degrees. Specifically, the slag discharging blade is a shaftless conveying spiral, and the conveying angle is designed to be 22°, so that the problem of solid slag sliding during the conveying of the solid slag can be effectively prevented, and the problem of unsmooth conveying of the solid slag is solved.
[0042] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0043] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.
[0044] Skilled person should know: although the utility model has been described according to the above specific embodiment, the utility model idea of the utility model is not limited to this utility model, and any modification using the utility model idea will be included in the utility model patent protection scope.
Claims
1. A manure pretreatment all-in-one machine comprising a frame (1), characterized in that Also include: Bin (2), provided on the frame (1); the bin (2) is provided with a feed inlet (21), a discharge outlet (22) and a containing cavity (23); Filtering mechanism (3), provided on the bin (2), for realizing solid-liquid separation; the filtering mechanism (3) includes a filter assembly (31) and a rotating brush stirring assembly (32), the filter assembly (31) is sleeved outside the rotating brush stirring assembly (32), and the filter assembly (31) and the rotating brush stirring assembly (32) are inserted into the containing cavity (23); the material contained in the containing cavity (23) passes through the filter assembly (31) and makes the filtrate discharge from the discharge outlet (22); The slag discharge mechanism (4) is arranged below the bin (2) and connected with the containing cavity (23), and is used for discharging filter residue.
2. The excrement pretreatment all-in-one machine according to claim 1, characterized in that The filter assembly (31) includes a filter core (311) and a filter cylinder (312), the filter cylinder (312) is sleeved outside the filter core (311), and a plurality of filter holes (3111) are formed in the filter core (311); the material in the containing cavity (23) enters the filter assembly (31) from the bottom of the filter cylinder (312) and realizes solid-liquid separation after filtering through the filter core (311), so that the liquid is discharged from the discharge outlet (22).
3. The excrement pretreatment all-in-one machine according to claim 2, characterized in that The rotating brush stirring assembly (32) includes a stirring power source (321) and a stirring shaft (322), the stirring power source (321) is connected with the stirring shaft (322) and used to drive the stirring shaft (322) to rotate, the stirring shaft (322) is provided with stirring blades (323), the stirring blades (323) are inserted into the filter core (311) and used to remove the substances blocking the filter holes (3111).
4. The excrement pretreatment all-in-one machine according to claim 3, characterized in that The stirring blades (323) are provided with cleaning plates (324), the cleaning plates (324) are matched with the inner wall of the filter core (311), and the spacing between the cleaning plates (324) and the stirring shaft (322) can be adjusted.
5. The excrement pretreatment all-in-one machine according to claim 2, characterized in that The bottom of the filter core (311) and the filter cylinder (312) is provided with a connecting plate (313), and a material containing space (314) is formed between the filter core (311) and the filter cylinder (312).
6. The excrement pretreatment all-in-one machine according to claim 5, characterized in that It also includes a blowdown plate (33), the connecting plate (313) is provided with a blowdown hole, and the blowdown plate (33) has a first position for shielding the blowdown hole and a second position for opening the blowdown hole to connect the material containing space (314) with the slag discharge mechanism (4).
7. The excrement pretreatment all-in-one machine according to claim 6, characterized in that It also includes a limiting cylinder (331) and a limiting shaft (332), the blowdown plate (33) is provided with a blowdown shaft (333), the blowdown shaft (333) passes through the limiting cylinder (331) and is provided with a limiting portion (334) at the end, and the limiting shaft (332) is inserted into the limiting cylinder (331) to keep the position of the blowdown shaft (333).
8. The excrement pretreatment all-in-one machine according to claim 2, characterized in that It also includes a cleaning mechanism (34) inserted into the filter core (311) or above the filter core (311) for cleaning the filter core (311); the cleaning mechanism (34) includes first cleaning nozzles (341) and second cleaning nozzles (342); the first cleaning nozzles (341) and the second cleaning nozzles (342) are each provided with a plurality of projections on a horizontal plane.
9. The excrement pretreatment all-in-one machine according to claim 1, characterized in that The slag discharging mechanism (4) comprises: A slag discharging shell (41) provided with a slag discharging cavity (411) and a slag discharging outlet (412); the accommodating cavity (23) is in communication with the slag discharging cavity (411); the accommodating cavity (23) is further provided with an overflow slag discharging pipe (24); A slag discharging blade (42) arranged in the slag discharging cavity (411) for discharging the filter slag from the slag discharging outlet (412); A slag discharging power source (43) connected with the slag discharging blade (42) for driving the slag discharging blade (42) to rotate.
10. The excrement pretreatment all-in-one machine according to claim 9, characterized in that The slag discharging blade (42) is a shaftless spiral blade, and the included angle between the slag discharging blade (42) and the horizontal plane is 18-25 degrees.