CN217324068U - Novel dry-method horizontal anaerobic fermentation tank - Google Patents
Novel dry-method horizontal anaerobic fermentation tank Download PDFInfo
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- CN217324068U CN217324068U CN202220027216.7U CN202220027216U CN217324068U CN 217324068 U CN217324068 U CN 217324068U CN 202220027216 U CN202220027216 U CN 202220027216U CN 217324068 U CN217324068 U CN 217324068U
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- 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
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Abstract
The utility model discloses a novel dry horizontal anaerobic fermentation tank, which relates to the technical field of fermentation equipment and solves the technical problems of uneven stirring and heating of materials and difficult slag discharge in the existing anaerobic fermentation tank, and comprises a fermentation tank body, a feeding and conveying device, a heating system, a transmission system, a vacuum discharge device and a slag removal device; the feeding and conveying device is connected with a feeding hole of the fermentation tank body, an annular baffle is arranged inside the fermentation tank body and is divided into a fermentation bin and a discharging bin through the annular baffle, a discharging primary sieve hole is formed in the middle of the annular baffle, and resistance-increasing threads are arranged on the inner wall of the fermentation bin; the utility model discloses can realize mixing thoroughly the abundant of material, reinforce the mass transfer process, have the screening effect simultaneously, be favorable to improving the homogeneity of fermentation, reduce the ejection of compact degree of difficulty, and the scarfing cinder easy operation of unloading is convenient.
Description
Technical Field
The utility model relates to a fermentation equipment technical field, more specifically relate to anaerobic fermentation equipment technical field.
Background
Anaerobic fermentation is a modern society in which microorganisms convert external substances (raw materials) into another substance (product) through metabolism of the microorganisms under the condition of isolating oxygen, and reliable fermentation equipment is a strong guarantee for stable product quality and improvement of economic benefits in the industrial production of anaerobic fermentation products.
The existing anaerobic fermentation equipment has the problems of uneven stirring, uneven heating of raw materials and poor mass transfer effect in the process of organic solid waste fermentation with low water content such as livestock and poultry manure, yellow stored straws and the like, so that the energy consumption is high, and the defects of weak anti-floating slag capacity, difficult feeding and discharging, large difficulty in slag discharging and the like exist at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problem, the utility model provides a novel horizontal anaerobic fermentation tank of dry process.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a novel dry horizontal anaerobic fermentation tank comprises a fermentation tank body, a feed inlet, an exhaust port, a feed conveying device, a heating system, a transmission system and a vacuum discharging device;
the feeding and conveying device is connected with a feeding hole of the fermentation tank body, an annular baffle is arranged inside the fermentation tank body and is separated into a fermentation bin and a discharge bin through the annular baffle, a discharge preliminary sieve hole is formed in the middle of the annular baffle, resistance-increasing threads are arranged on the inner wall of the fermentation bin, the heating system is arranged outside the fermentation tank body, the fermentation tank body is connected with the transmission system to achieve rotation, and the discharge bin is connected with the vacuum discharge device.
Preferably, the fermentation tank body is inclined towards the discharging bin, and the inclination is set to be 0.3-3.0%.
Preferably, the heating system comprises a heating cavity arranged outside the fermentation tank body, a heating medium is arranged in the heating cavity, and a heating medium inlet and a heating medium outlet are arranged on the heating cavity.
Preferably, the bottom of the fermentation bin is provided with a slag removal port, a slag removal device is arranged at the slag removal port in the fermentation bin, the slag removal device comprises an isolation bin formed by enclosing a bottom plate, a side plate and an isolation plate, the upper portion of the side plate is provided with a notch, the isolation plate is inserted in the notch, and the bottom plate is inserted in the bottom of the isolation bin and seals the slag removal port.
Preferably, the top of the side plate is also provided with a flange, and the flange is arc-shaped and has the same radian as the fermentation tank shell.
Preferably, the exhaust port is arranged at the top of the discharging bin of the fermentation tank body.
Preferably, the vacuum discharging device is a vacuum discharging machine.
Preferably, the feeding and conveying device is a spiral auger conveyor.
Preferably, the fermentation bin is connected with an electric positive and negative pressure protector.
The utility model has the advantages as follows:
1. the utility model discloses a set up ring baffle in the internal portion of fermentation tank, the ejection of compact that the material was seted up through the ring baffle middle part is the hole ejection of compact just, can prevent effectively that the ejection of compact that leads to because of misoperation is excessive to reduce the short problem of flowing of new material that leads to because of the mix inequality by a wide margin.
2. The utility model discloses a set up ring baffle in the fermentation tank internal portion, separate for fermentation storehouse and play feed bin through ring baffle, ring baffle plays the screening effect, tentatively screens out the loose dry material in heap body top and gets into out the feed bin, can prevent that a large amount of sticky, incomplete bottom material of fermentation from directly getting into out the feed bin, is favorable to improving the fermentation effect; simultaneously, the baffle of overflow form can prevent effectively that the material from piling up with each flange mouth direct contact of ejection of compact district and long-term bonding in exit, reduces the ejection of compact degree of difficulty.
3. The utility model discloses a set up at the fermentation storehouse inner wall and increase and hinder the screw thread, the material in the fermentation storehouse leans on and promotes on the direction of rotation with the friction that increases and hinder the screw thread, rises to a take the altitude, falls down by self action of gravity, through rising repeatedly, the material is stirred by turning over uniformly, can strengthen the mass transfer process of material and microorganism, makes the material mix evenly, makes material fermentation and is heated all more even.
4. The utility model discloses a set up the scarfing cinder device, will separate the bottom plate in storehouse and take out when the scarfing cinder of needs, the scarfing cinder mouth is opened, and the solid is poured out, and the manhole is cooperated simultaneously, can conveniently carry out the scarfing cinder operation of unloading.
5. The utility model discloses a curb plate top in separation storehouse sets up the turn-ups that turns up, can regard as "high-efficient mix screw thread" to follow a jar body and rotate when jar body gyration, plays the mix effect to the material, improves material fermentation homogeneity.
6. The utility model discloses utilize vacuum discharging device's vacuum negative pressure suction, assist gravity and carry out the ejection of compact operation, can effectively reduce the ejection of compact degree of difficulty, make things convenient for the system to concentrate, the smooth ejection of compact.
7. The utility model discloses put fermentation tank body to one side, when the waste residue that promotes along the direction of rotation leans on self gravity whereabouts, can fall gradually to barrel export one end, conveniently arrange the sediment more.
8. The utility model discloses an adopt the heating chamber to heat the material, easy maintenance, the control by temperature change is sensitive, and the temperature impact is little, and is lower to the requirement of exhausting in the heating system.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along the length of the fermenter body;
FIG. 3 is a view taken in the direction A of FIG. 2;
FIG. 4 is a front view of the slag removal device;
fig. 5 is a view from direction B in fig. 4.
Reference numerals: 1-fermentation tank body, 101-feeding hole, 102-manhole, 103-fermentation bin, 104-discharging bin, 105-slag removing hole, 2-feeding conveying device, 3-heating system, 301-heating chamber, 302-heating medium inlet, 303-heating medium outlet, 4-vacuum discharging device, 5-transmission system, 6-slag removing device, 601-notch, 602-bottom plate, 603-side plate, 604-flanging, 605-isolating bin, 606-isolating plate, 7-resistance increasing thread, 8-electric positive and negative pressure protector, 9-annular baffle, 10-exhaust port and 11-discharging primary sieve hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in FIGS. 1 to 5, the present embodiment provides a novel dry horizontal anaerobic fermentation tank, which comprises a fermentation tank body 1, a feed inlet 101 and an exhaust outlet 10; specifically, the fermentation tank body 1 is a roller tank body, each process hole on the fermentation tank body rotates along with the rotation of the tank body, the rotation mode is integral roller type stirring, the forward rotation or the reverse rotation can be adjusted manually or in a programming mode, and the exhaust port 10 is arranged at the top of the discharge bin 104 of the fermentation tank body 1;
the device is characterized by further comprising a feeding conveying device 2, a heating system 3, a transmission system 5 and a vacuum discharging device 4, wherein the feeding conveying device 2 adopts a high-filling-rate (low-porosity) closed spiral auger conveyor and is provided with an explosion-proof motor, the heating system 3 is used for heating materials in a fermentation cavity, the transmission system 5 is used for providing power for rotation of the fermentation tank body 1, and the vacuum discharging device 4 is used for discharging;
the feeding and conveying device 2 is connected with a feeding hole 101 of the fermentation tank body 1, an annular baffle plate 9 is arranged inside the fermentation tank body 1 and is divided into a fermentation bin 103 and a discharging bin 104 through the annular baffle plate 9, and a discharging primary sieve hole 11 is formed in the middle of the annular baffle plate 9; the function of the annular baffle 9 is: 1. the materials which are loose and dry at the top of the stack body are primarily screened out and enter the discharging bin 104, so that a large amount of sticky and incompletely fermented bottom materials are prevented from directly entering the discharging bin 104; 2. the overflow baffle can effectively prevent the materials from directly contacting each flange opening of the discharging area and being bonded and accumulated at the outlet for a long time; 3. the excessive discharging caused by misoperation is effectively prevented, and the short flow problem of new materials caused by uneven mixing is greatly reduced;
resistance-increasing threads 7 are arranged on the inner wall of the fermentation bin 103, specifically, the thread pitch is 80-150mm, materials in the fermentation bin 103 are lifted upwards along the rotating direction by friction with the resistance-increasing threads 7, rise to a certain height and fall under the action of self gravity, and the materials are uniformly stirred by repeatedly rising and falling, so that the mass transfer process of the materials and microorganisms can be enhanced, and the materials are uniformly mixed;
the heating system 3 is arranged outside the fermentation tank body 1, the fermentation tank body 1 is connected with the transmission system 5 to realize rotation, and the discharge bin 104 is connected with the vacuum discharge device 4; wherein, transmission system 5 includes drive motor, reduction gear, shaft coupling, hydraulic brake, jar body drive gear etc. and transmission borrows for reference from cement rotary kiln transmission system, and the technology of adopting is ripe, does not regard as the utility model discloses an improvement point does not do here and repeats repeatedly giving unnecessary detail.
The utility model discloses when using, at first carry fermentation material to the feed inlet 101 of the fermentation tank body 1 through feeding conveyor 2, get into fermentation storehouse 103 through feed inlet 101, heat the material through heating system 3, fermentation tank body 1 realizes rotating through transmission system 5, in the rotation process, the material in fermentation storehouse 103 contacts with resistance-increasing screw thread 7, utilize and promote the material upwards along the direction of rotation with the friction of resistance-increasing screw thread 7, rise to a take the altitude, fall by self action of gravity, through repeatedly rising, make the material turn over and stir evenly, thereby strengthen the material and mix the degree of degree, impel the material mix evenly; biogas generated by fermentation is sent into a biogas pipeline through an exhaust port 10, the fermented materials enter a discharging bin 104 through a discharging primary sieve hole 11 formed in the middle of an annular baffle plate 9, and finally discharging is carried out by negative pressure suction of an empty discharging device and gravity.
The anaerobic fermentation tank of the utility model has large adaptable raw material solid content range, suitable TS of 15 percent to 24 percent and higher volume load of 4.0 to 8.0 kgVS/(m) 3 D) high volumetric gas production rate up to 2.0-4.5m 3 /(m 3 D); the operation temperature can be selected from normal temperature or medium temperature fermentation according to the actual situation; the interior of the fermentation cavity is micro-positive pressure, the design pressure is 20kPa, the actual operation value is not more than 10kPa, and the gas production concentration time period is not more than 15 kPa.
Example 2
The embodiment is based on the embodiment 1, the fermentation tank body 1 is arranged to incline towards the discharging bin 104, and the inclination is set to be 0.3-3.0%. Because the fermentation tank body 1 is obliquely arranged, when waste residues lifted along the rotating direction fall by self gravity, the waste residues gradually fall to one end of the outlet of the cylinder body, so that the slag is convenient to discharge.
Example 3
The present embodiment is based on embodiment 1, the heating system 3 includes a heating cavity 301 disposed outside the fermentation tank body 1, a heating medium is disposed in the heating cavity 301, and a heating medium inlet 302 and a heating medium outlet 303 are disposed on the heating cavity 301; specifically, the heating medium inlet 302 is located on the feed side of the fermenter 1 in the static position, and the heating medium outlet 303 is located on the discharge side of the fermenter 1 in the static position.
In the embodiment, the heating medium is hot water, and the circulating hot water is adopted to heat the materials in the fermentation cavity. The heating medium inlet 302 and the heating medium outlet 303 both adopt an electric valve to control the separation, socket joint and combination of a reserved pipe orifice of the fermentation tank body 1 and an external pipeline. Heating cavity 301 heats through adopting, easy maintenance, and the control by temperature change is sensitive, and temperature shock is little, and is lower to the exhaust requirement in heating system 3.
Example 4
In this embodiment, based on embodiment 1, the bottom of the fermentation chamber 103 is provided with a slag removal opening 105 for discharging slag, a slag removal device 6 is disposed in the fermentation chamber 103 at the slag removal opening 105, the slag removal device 6 includes an isolation chamber 605 formed by enclosing a bottom plate 602, a side plate 603 and an isolation plate 606, the upper portion of the side plate 603 is provided with a notch 601, the isolation plate 606 is inserted into the notch 601, and the bottom plate 602 is inserted into the bottom of the isolation chamber 605 and seals the slag removal opening 105.
During tank cleaning or periodic slag cleaning, the tank body is rotated to the state shown in figure 1, the slag cleaning device 6 is positioned at the lowest part of the tank body at the moment, the top plate of the isolation bin 605 is inserted into the notch 601 for sealing, the bottom plate 602 of the isolation bin 605 is drawn out, the bottom of the isolation bin 605 is opened at the moment, namely the slag cleaning port 105 is opened, solids are poured out, and meanwhile, the manhole 102 is matched, so that the slag cleaning and discharging operation can be conveniently carried out, the tank body is basically in a sealed state in the whole process, and the increase of the oxygen concentration is less than 0.5%.
Example 5
In this embodiment, based on embodiment 4, the top of the side plate 603 is further provided with a flange 604, and the flange 604 is arc-shaped and has the same radian as the fermentation tank shell; through setting up turn-ups 604 that turns up, can regard as "high-efficient mix screw thread" to follow jar body and rotate when jar body gyration, play the mix effect to the material, improve material fermentation homogeneity.
Example 6
The embodiment is based on embodiment 1, and the vacuum discharging device 4 is a vacuum discharging machine; vacuum delivery pipe of vacuum ejection of compact machine is in the components of a whole that can function independently state with the jar body when fermentation tank body 1 rotates, and fermentation tank body 1 stops when the gyration to be connected through the socket joint with the preformed discharge hole of a jar external wall to carry out airtight enhancement through the special half festival of artifical installation modification and connect, finally assist gravity through vacuum negative pressure suction and carry out ejection of compact operation, because vacuum ejection of compact machine is ripe prior art, do not regard as the utility model discloses a point of improvement, do not repeat here and give unnecessary detail.
Through initiative (vacuum) ejection of compact as the owner, passive (gravity) ejection of compact is for assisting, can effectively reduce the ejection of compact degree of difficulty, makes things convenient for the system to concentrate, smoothly ejection of compact.
Example 7
In this embodiment, the fermentation chamber 103 is connected to an electric positive and negative pressure protector 8 according to embodiment 1.
The electrodynamic type positive and negative pressure protector is used for generating an electric signal through the air pressure sensing device, automatically opening the positive and negative pressure protector to discharge air in a cavity in time when the air pressure in the fermentation cavity rises to reach the upper limit of the designed pressure, preventing the fermentation tank body 1 from being damaged, and then braking the fermentation tank body 1 to a static position to finish the steps of discharging, exhausting and the like. When the air pressure in the fermentation cavity is reduced to the lower limit of the designed pressure intensity, the positive and negative pressure protector is automatically opened to supplement air in time, the fermentation tank body 1 is prevented from being damaged, and then the fermentation tank body 1 is braked to a static position for troubleshooting.
Claims (9)
1. A novel dry-method horizontal anaerobic fermentation tank comprises a fermentation tank body (1), a feed inlet (101) and an exhaust port (10), and is characterized by also comprising a feed conveying device (2), a heating system (3), a transmission system (5) and a vacuum discharging device (4);
feeding conveyor (2) are connected with feed inlet (101) of the fermentation tank body (1), fermentation tank body (1) is inside to be equipped with ring baffle (9) to separate for fermentation storehouse (103) and play feed bin (104) through ring baffle (9), ring baffle (9) middle part has been seted up the ejection of compact and has been just sieved mesh (11), fermentation storehouse (103) inner wall is provided with and increases and hinders screw thread (7), heating system (3) are established in fermentation tank body (1) outside, fermentation tank body (1) is connected with transmission system (5) and is realized rotating, it is connected with vacuum discharging device (4) to go out feed bin (104).
2. The novel dry horizontal anaerobic fermentation tank as claimed in claim 1, wherein the fermentation tank body (1) is inclined towards the discharging bin (104) and the inclination is set to be 0.3-3.0%.
3. The novel dry horizontal anaerobic fermentation tank according to claim 1, wherein the heating system (3) comprises a heating chamber (301) arranged outside the fermentation tank body (1), a heating medium is arranged in the heating chamber (301), and a heating medium inlet (302) and a heating medium outlet (303) are arranged on the heating chamber (301).
4. The novel dry-method horizontal anaerobic fermentation tank is characterized in that a slag removal port (105) is formed in the bottom of the fermentation bin (103), a slag removal device (6) is arranged in the fermentation bin (103) and located at the slag removal port (105), the slag removal device (6) comprises an isolation bin (605) which is formed by enclosing a bottom plate (602), a side plate (603) and an isolation plate (606), a notch (601) is formed in the upper portion of the side plate (603), the isolation plate (606) is inserted into the notch (601), and the bottom plate (602) is inserted into the bottom of the isolation bin (605) and seals the slag removal port (105).
5. The novel dry horizontal anaerobic fermentation tank according to claim 4, characterized in that the top of the side plate (603) is further provided with a flange (604), and the flange (604) is arc-shaped and has the same radian as the fermentation tank shell.
6. The novel dry horizontal anaerobic fermentation tank according to claim 1, characterized in that the exhaust port (10) is arranged on the top of the discharging bin (104) of the fermentation tank body (1).
7. The novel dry horizontal anaerobic fermentation tank as claimed in claim 1, wherein the vacuum discharging device (4) is a vacuum discharging machine.
8. The novel dry horizontal anaerobic fermentation tank as claimed in claim 1, wherein the feeding conveyor (2) is a screw auger conveyor.
9. The novel dry horizontal anaerobic fermentation tank as claimed in claim 1, wherein the fermentation chamber (103) is connected with an electric positive and negative pressure protector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027216.7U CN217324068U (en) | 2022-01-06 | 2022-01-06 | Novel dry-method horizontal anaerobic fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027216.7U CN217324068U (en) | 2022-01-06 | 2022-01-06 | Novel dry-method horizontal anaerobic fermentation tank |
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| Publication Number | Publication Date |
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| CN217324068U true CN217324068U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220027216.7U Active CN217324068U (en) | 2022-01-06 | 2022-01-06 | Novel dry-method horizontal anaerobic fermentation tank |
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| CN (1) | CN217324068U (en) |
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- 2022-01-06 CN CN202220027216.7U patent/CN217324068U/en active Active
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