CN215712690U - Sludge and livestock and poultry manure combined fermentation device - Google Patents
Sludge and livestock and poultry manure combined fermentation device Download PDFInfo
- Publication number
- CN215712690U CN215712690U CN202120977173.4U CN202120977173U CN215712690U CN 215712690 U CN215712690 U CN 215712690U CN 202120977173 U CN202120977173 U CN 202120977173U CN 215712690 U CN215712690 U CN 215712690U
- Authority
- CN
- China
- Prior art keywords
- sludge
- fermentation
- fermentation device
- livestock
- livestock manure
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a combined fermentation device for sludge and livestock and poultry manure, aiming at improving the fermentation effect of sludge and shortening the fermentation time of sludge. Therefore, the utility model provides a combined fermentation device of sludge and livestock and poultry manure, which comprises: the fermentation tank is provided with a sludge feeding hole and an excrement feeding hole; the stirring shaft is rotatably arranged in the fermentation tank and is provided with stirring blades; and the ventilation and oxygen supply assembly is used for introducing oxygen-containing gas into the mixture of the sludge and the excrement in the fermentation tank so as to realize aerobic fermentation of the mixture.
Description
Technical Field
The utility model belongs to the technical field of organic waste fermentation, and particularly relates to a combined fermentation device for sludge and livestock and poultry manure.
Background
In recent years, with the rapid development of the scale of domestic sewage treatment, the discharge amount of sludge is increasing day by day, and the common treatment modes of sludge are sludge drying, sludge fermentation and the like. The sludge drying has the defects of high treatment cost, low heat value of dried sludge, difficult incineration and the like, and the sludge fermentation has the defects of overlong fermentation time, poor fermentation effect and the like. Therefore, it is necessary to develop a fermentation apparatus having a good sludge fermentation effect and a short fermentation time.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a combined fermentation device of sludge and livestock and poultry manure, aiming at improving the fermentation effect of the sludge and shortening the fermentation time of the sludge.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a combined fermentation device of sludge and livestock and poultry manure comprises:
the fermentation tank is provided with a sludge feeding hole and an excrement feeding hole;
the stirring shaft is rotatably arranged in the fermentation tank and is provided with stirring blades;
and the ventilation and oxygen supply assembly is used for introducing oxygen-containing gas into the mixture of the sludge and the excrement in the fermentation tank so as to realize aerobic fermentation of the mixture.
Specifically, ventilation oxygen suppliment subassembly includes:
a vent hole provided on the stirring blade;
the airflow channel is arranged in the stirring shaft and is communicated with the vent hole;
an oxygen-containing gas source communicated with the gas flow channel through a gas supply pipe;
the air pump is arranged on the air supply pipe, and the oxygen-containing gas source is sprayed out from the vent hole after flowing through the air supply pipe and the flow channel under the pumping action of the air pump.
Specifically, the oxygen-containing gas source is an air source.
Specifically, the sludge feeding hole and the excrement feeding hole share the same feeding hole.
Specifically, the fermentation cylinder is vertical to be set up, the feed inlet sets up the top of fermentation cylinder, the lateral part of fermentation cylinder is equipped with the hopper and promotes the hoist mechanism of hopper, the hopper quilt hoist mechanism promotes behind the fermentation cylinder top, the hopper with the feed inlet butt joint.
Specifically, the fermentation device further comprises a tail gas treatment system, the tail gas treatment system is communicated with an exhaust port in the top of the fermentation tank, a valve capable of being opened and closed is arranged on the feed port, and a discharge valve capable of being opened and closed is arranged at the bottom of the fermentation tank.
Specifically, the wall surface of the fermentation tank consists of an inner stainless steel layer, a middle heat-insulating layer and an outer stainless steel layer.
Specifically, the inner stainless steel layer, the middle heat-insulating layer and the outer stainless steel layer are fixed by gluing.
Specifically, the middle heat-insulating layer is a polyurethane layer.
Specifically, the lifting mechanism is a screw rod lifting mechanism.
Compared with the prior art, at least one embodiment of the utility model has the following beneficial effects:
1) after the sludge and the livestock and poultry manure enter the fermentation tank, the sludge and the livestock and poultry manure are jointly fermented under the stirring action of the stirring shaft and the aerobic environment provided by the ventilation and oxygen supply assembly, so that the fermentation effect of the sludge is improved by fully utilizing the surplus organic matters in the livestock and poultry manure, and the fermentation time of the sludge is shortened.
2) Stirring blade of (mixing) shaft stirs the material heap, guarantees the fluffy of material, and the air of being convenient for fully contacts with the material, improves the aerobic fermentation speed of material, and the air that ventilation oxygen suppliment subassembly provided can fully contact with the fermentation material in getting into the fermentation cylinder through the air vent on the stirring blade, realizes aerobic fermentation, can further shorten fermentation time and promote fermentation effect.
3) Because the livestock and poultry manure contains the fungi required by fermentation, the strain can not be added, the fermentation cost is low, the vertical aerobic fermentation equipment is adopted, the fermentation degree is sufficient, and the quality of the prepared organic fertilizer is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a combined fermentation device of sludge and livestock and poultry manure provided by the embodiment of the utility model;
wherein: 1. a fermentation tank; 2. a stirring shaft; 3. a ventilation oxygen supply assembly; 301. an air flow channel; 302. a source of oxygen-containing gas; 303. an air pump; 4. a stirring blade; 5. a feed inlet; 6. a drive motor; 7. a gear transmission mechanism; 8. a hopper; 9. a lifting mechanism; 10. a tail gas treatment system; 11. a discharge 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 is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a sludge and livestock manure combined fermentation device comprises a fermentation tank 1, a stirring shaft 2 and a ventilation oxygen supply assembly 3, wherein a sludge feed port and a manure feed port are arranged on the fermentation tank 1, the stirring shaft 2 is rotatably arranged in the fermentation tank 1, stirring blades 4 are arranged on the stirring shaft 2, and the ventilation oxygen supply assembly 3 is used for introducing oxygen-containing gas into a sludge and manure mixture in the fermentation tank 1 so as to realize aerobic fermentation of the mixture.
In this embodiment, after the sludge and the livestock and poultry manure enter the fermentation tank 1, the sludge and the livestock and poultry manure are jointly fermented under the stirring action of the stirring shaft 2 and the aerobic environment provided by the ventilation and oxygen supply assembly 3, so that the fermentation effect of the sludge can be improved by fully utilizing the surplus organic matters in the livestock and poultry manure, and the fermentation time of the sludge is shortened. In addition, because the livestock and poultry manure contains fungi required for fermentation, strains can not be added, and the fermentation cost is low.
It can be understood that in practical application, the sludge feed port and the excrement feed port can share the same feed port 5, a driving motor 6 for driving the stirring shaft 2 to rotate can be additionally arranged on the fermentation tank 1, the driving motor 6 is in transmission connection with the stirring shaft 2 through a gear transmission mechanism 7, and the stirring shaft 2 is vertically arranged in the fermentation tank 1.
In addition, 1 vertical settings of fermentation cylinder, the feed inlet then directly sets up at 1's top of fermentation cylinder, compares horizontal setting, and the aerobic fermentation equipment fermentation degree of vertical setting is more abundant, can promote the quality of the fertilizer that the preparation obtained.
Referring to fig. 1, in some embodiments, ventilation oxygen supply assembly 3 comprises a ventilation aperture, a gas flow channel 301, a source of oxygen-containing gas 302, and a gas pump 303; the vent hole is arranged on the stirring blade 4, the airflow channel 301 is arranged inside the stirring shaft 2 and is communicated with the vent hole, the oxygen-containing gas source 302 is communicated with the airflow channel 301 through the air supply pipe, the air pump 303 is directly arranged on the air supply pipe, and the oxygen-containing gas source 302 is sprayed out from the vent hole after flowing through the air supply pipe and the flow channel under the pumping action of the air pump 303.
In this embodiment, in order to reduce the fermentation cost, the oxygen-containing gas source 302 directly adopts the air, and in order to prevent that (mixing) shaft 2 from rotating the in-process around the pipe, the air supply pipe rotates with (mixing) shaft 2 and is connected, and both axis of rotation and (mixing) shaft 2's rotation center line coincidence are equipped with the sealing washer that prevents the gas leakage between air supply pipe and (mixing) shaft 2.
Referring to fig. 1, in some embodiments, a hopper 8 and a lifting mechanism 9 for lifting the hopper 8 are provided at the side of the fermentation tank 1, and after the hopper 8 is lifted to the top of the fermentation tank 1 by the lifting mechanism 9, the hopper 8 is in butt joint with the feed inlet. In this embodiment, the sludge and/or the livestock and poultry manure is placed in the hopper 8, and after the lifting mechanism 9 lifts the hopper 8 to the top of the fermentation tank 1, the material can be poured into the fermentation tank 1 from the feed inlet by pouring the hopper 8. The lifting mechanism 9 may be an existing screw lifting mechanism or other lifting mechanisms, which are not described herein again.
Referring to fig. 1, in other embodiments, the fermentation apparatus further includes a tail gas treatment system 10, the tail gas treatment system 10 is communicated with an exhaust port at the top of the fermentation tank 1, a valve capable of being opened and closed is disposed on a feed inlet, a discharge valve 11 capable of being opened and closed is disposed at the bottom of the fermentation tank 1, malodorous waste gas generated after aerobic fermentation is purified by the tail gas treatment system 10 and discharged into the atmosphere, and fermented residues are discharged into the fermentation tank 1 through the discharge valve 11. The tail gas treatment system 10 may adopt one or more of biological deodorization, physical deodorization and chemical deodorization, and preferably adopts physical (spraying liquid) deodorization in consideration of the effect and cost. The specific structure of the exhaust gas treatment system 10 is the prior art and will not be described herein.
In other embodiments, the fermentation tank 1 adopts a three-layer shell structure, and the wall surface of the fermentation tank is composed of an inner stainless steel layer, a middle heat-insulating layer and an outer stainless steel layer; wherein, the inner stainless steel layer is preferably 304 stainless steel with the thickness of 3-10mm, the middle heat-insulating layer is preferably polyurethane with the thickness of 20-100mm, the outer stainless steel layer is preferably 201 stainless steel or 304 stainless steel with the thickness of 3-10mm, and the three structural layers are fixed by gluing.
The aerobic fermentation process of the sludge and livestock manure combined fermentation device with the structure is as follows:
1) fresh sludge of a sewage plant is dehydrated by a plate-and-frame dehydrator to form dehydrated sludge (the water content of the sludge is 75%), and the dehydrated sludge, livestock and poultry manure and auxiliary materials are mixed according to a certain proportion to form a fermented material with the water content of 60%, and the fermented material is fed into a fermentation tank 1.
2) In the fermentation material sent into hopper 8, hopper 8 passed through the 9 lifting of hoist mechanism and raised to fermentation cylinder 1 top, in getting into fermentation cylinder 1 through the feed inlet on fermentation cylinder 1 upper portion, after the feeding was accomplished, closed the feed inlet.
3) Fermented materials in the fermentation tank 1 are stacked layer by layer, aged materials with long fermentation time are arranged below, fresh materials with short fermentation time are arranged above, the stirring blades 4 of the stirring shaft 2 stir the material stack to ensure the fluffiness of the materials, so that air can be conveniently contacted with the materials, the aerobic fermentation rate of the materials is improved, air provided by the ventilation and oxygen supply assembly 3 enters the fermentation tank 1 through the vent holes on the stirring blades 4 and is contacted with the fermented materials for aerobic fermentation, and malodorous waste gas generated after the aerobic fermentation is purified by the tail gas treatment system 10 and then is discharged into the atmosphere.
4) Organic fertilizer produced after fermentation for 10d is discharged out of the fermentation tank 1 through a discharge valve 11, and is sold after being crushed and packed.
Application example 1
Fresh sludge of a sewage plant is dehydrated by a plate-and-frame dehydrator to form dehydrated sludge (the water content of the sludge is 75%), the dehydrated sludge, livestock and poultry manure and auxiliary materials are mixed according to the ratio of 1:1: a plurality of times to form a fermented material with the water content of 60%, the fermented material is fed into the combined fermentation device for aerobic fermentation for 10 days, organic fertilizer produced after fermentation is brown, the water content is 30%, and the fertility meets the NY525-2012 standard.
Application example 2
Fresh sludge of a sewage plant is dehydrated by a plate-and-frame dehydrator to form dehydrated sludge (the water content of the sludge is 75%), the dehydrated sludge, livestock and poultry manure and auxiliary materials are mixed according to the ratio of 0.5:1 to form a fermentation material with the water content of 60%, the fermentation material is fed into the combined fermentation device for aerobic fermentation for 10 days, organic fertilizer produced after fermentation is brown, the water content is below 30%, and the fertility meets the NY525-2012 standard.
Application example 3
Fresh sludge of a sewage plant is dehydrated by a plate-and-frame dehydrator to form dehydrated sludge (the water content of the sludge is 75%), the dehydrated sludge, livestock and poultry manure and auxiliary materials are mixed according to the ratio of 1:0.5: a plurality of times to form a fermentation material with the water content of 60%, the fermentation material is fed into the combined fermentation device for aerobic fermentation for 10 days, organic fertilizer produced after fermentation is brown, the water content is below 30%, and the fertility meets the NY525-2012 standard.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Claims (10)
1. A sludge and livestock and poultry manure combined fermentation device is characterized by comprising:
the fermentation tank (1) is provided with a sludge feeding hole and a feces feeding hole;
the stirring shaft (2) is rotatably arranged in the fermentation tank (1), and stirring blades (4) are arranged on the stirring shaft (2);
and the ventilation and oxygen supply assembly (3) is used for introducing oxygen-containing gas into the mixture of the sludge and the excrement in the fermentation tank (1) so as to realize the aerobic fermentation of the mixture.
2. The sludge and livestock manure combined fermentation device according to claim 1, characterized in that: the ventilation and oxygen supply assembly (3) comprises:
a vent hole provided on the stirring blade (4);
the airflow channel (301) is arranged in the stirring shaft (2) and is communicated with the vent hole;
an oxygen-containing gas source (302) in communication with the gas flow channel (301) through a gas supply tube;
the air pump (303) is arranged on the air supply pipe, and the oxygen-containing gas source (302) is sprayed out from the vent hole after flowing through the air supply pipe and the flow channel under the pumping action of the air pump (303).
3. The sludge and livestock manure combined fermentation device according to claim 2, characterized in that: the source of oxygen-containing gas (302) is an air source.
4. The combined sludge and livestock manure fermentation device as claimed in any one of claims 1 to 3, wherein: the sludge feeding hole and the excrement feeding hole share the same feeding hole (5).
5. The sludge and livestock manure combined fermentation device according to claim 4, characterized in that: fermentation cylinder (1) is vertical to be set up, the feed inlet sets up the top of fermentation cylinder (1), the lateral part of fermentation cylinder (1) is equipped with hopper (8) and promotes hoist mechanism (9) of hopper (8), hopper (8) quilt hoist mechanism (9) promote to behind fermentation cylinder (1) top, hopper (8) with the feed inlet butt joint.
6. The sludge and livestock manure combined fermentation device according to claim 5, characterized in that: the fermentation device further comprises a tail gas treatment system (10), wherein the tail gas treatment system (10) is communicated with an exhaust port at the top of the fermentation tank (1), a valve capable of being opened and closed is arranged on the feed port, and a discharge valve capable of being opened and closed is arranged at the bottom of the fermentation tank (1).
7. The sludge and livestock manure combined fermentation device according to claim 5, characterized in that: the wall surface of the fermentation tank (1) consists of an inner stainless steel layer, a middle heat-insulating layer and an outer stainless steel layer.
8. The sludge and livestock manure combined fermentation device according to claim 7, characterized in that: the inner stainless steel layer, the middle heat-insulating layer and the outer stainless steel layer are fixed by gluing.
9. The sludge and livestock manure combined fermentation device according to claim 8, characterized in that: the middle heat-insulating layer is a polyurethane layer.
10. The sludge and livestock manure combined fermentation device according to claim 5, characterized in that: the lifting mechanism (9) is a screw rod lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120977173.4U CN215712690U (en) | 2021-05-08 | 2021-05-08 | Sludge and livestock and poultry manure combined fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120977173.4U CN215712690U (en) | 2021-05-08 | 2021-05-08 | Sludge and livestock and poultry manure combined fermentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215712690U true CN215712690U (en) | 2022-02-01 |
Family
ID=80031059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120977173.4U Active CN215712690U (en) | 2021-05-08 | 2021-05-08 | Sludge and livestock and poultry manure combined fermentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215712690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988930A (en) * | 2022-06-17 | 2022-09-02 | 广东福利龙复合肥有限公司 | High-temperature aerobic fermentation equipment and process for sludge |
-
2021
- 2021-05-08 CN CN202120977173.4U patent/CN215712690U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988930A (en) * | 2022-06-17 | 2022-09-02 | 广东福利龙复合肥有限公司 | High-temperature aerobic fermentation equipment and process for sludge |
| CN114988930B (en) * | 2022-06-17 | 2023-08-04 | 广东福利龙复合肥有限公司 | High-temperature aerobic fermentation equipment and process for sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205223254U (en) | Bio -pharmaceuticals fermentation cylinder | |
| CN215712690U (en) | Sludge and livestock and poultry manure combined fermentation device | |
| CN106116734A (en) | The aerobic composting device of organic solid castoff and aerobic compost method | |
| CN216639335U (en) | Aerobic fermentation jar stirring paddle aeration equipment | |
| KR20060054264A (en) | The process assembly and operation of the multi-staged vertical composter for the recycling of food wastes | |
| CN111362738A (en) | High-efficient drum-type aerobic composting reaction device who returns muddy | |
| CN206858462U (en) | The closed organic solid waste aerobic fermentation reactor of swinging | |
| CN105669265A (en) | Horizontal type aerobic dynamic sludge composting device | |
| CN112457071A (en) | Resourceful treatment method for kitchen waste | |
| CN208234802U (en) | A kind of air-flow auxiliary hybrid composting device | |
| CN209702598U (en) | A kind of livestock and poultry feces efficient anaerobic fermentation device | |
| CN114181001B (en) | Passive ventilation type aerobic composting reactor device and use method thereof | |
| CN208964827U (en) | A kind of organic waste aerobic fermentation treatment device | |
| CN218321184U (en) | Modular aerobic composting unit and device | |
| CN207158884U (en) | A kind of gas stripping type inner circulating aerating device | |
| CN109053248A (en) | A kind of organic waste aerobic fermentation treatment device | |
| CN205875330U (en) | Fermenter and environmental protection type toilet | |
| CN200991192Y (en) | Flushing-free ecological toilet closet | |
| CN205774176U (en) | A kind of aerobic composting device of organic solid castoff | |
| CN107760585A (en) | A kind of efficient broken shell integrated system of feces of livestock and poultry mixed stalk raw material anaerobic fermentation | |
| CN204111612U (en) | A kind of multistage revolution fermentation cabin | |
| CN110746208A (en) | Garbage composting device | |
| CN207143132U (en) | Multi-layer chain belt sludge composting device and compositing system | |
| CN208471923U (en) | A kind of installation for fermenting suitable for farm | |
| CN112194518A (en) | Rotary high-temperature aerobic fermentation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |