CN211946733U - High-temperature aerobic fermentation system capable of automatically removing water and recycling heat - Google Patents
High-temperature aerobic fermentation system capable of automatically removing water and recycling heat Download PDFInfo
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- CN211946733U CN211946733U CN202020375191.0U CN202020375191U CN211946733U CN 211946733 U CN211946733 U CN 211946733U CN 202020375191 U CN202020375191 U CN 202020375191U CN 211946733 U CN211946733 U CN 211946733U
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Abstract
The high-temperature aerobic fermentation system capable of automatically removing water and recycling heat comprises an aerobic fermentation reactor, a steam-water separator and a circulating fan which are sequentially connected through air pipes, wherein a bypass pipeline I and a bypass pipeline II are arranged on the air pipes, the bypass pipeline I is close to the circulating fan and is connected with the steam-water separator, and an adjusting air valve I is arranged on the bypass pipeline I; and a regulating air valve II is arranged on the bypass pipeline II. By utilizing the utility model, the dewatering and drying of the fermented materials can be realized, the fermentation heat can be recycled, the stability of the fermentation temperature of the system can be effectively ensured, and the fermentation efficiency is greatly improved; carry out the heat transfer through fresh air and fermentation tail gas in catch water, not only can effectively improve the dewatering efficiency of tail gas, still will get into the fresh air of fermentation cylinder simultaneously and heat, retrieve the heat in the tail gas, practiced thrift system's energy consumption greatly, reduce simultaneously because of the cold air directly gets into the fluctuation that fermentation reactor caused the fermentation temperature.
Description
Technical Field
The utility model belongs to the technical field of biological fermentation, concretely relates to can automatic dewatering and heat cyclic utilization's high temperature aerobic fermentation system.
Background
The main purpose of aerobic fermentation is to effectively realize the harmlessness and reduction of organic manure. According to the aerobic fermentation characteristic, the system has higher fermentation efficiency by maintaining the high temperature of the system, so that bacteria and pathogens can be killed more fully, the degradation of antibiotics in the excrement can be accelerated, and the harmlessness is more thorough; but the high temperature aerobic fermentation process can produce a large amount of high temperature and high humidity foul smell, outstanding reactor not only need collect the waste gas that produces in the fermentation process and innocent treatment, still need in time discharge the foul smell that contains a large amount of vapor through airing exhaust, introduce fresh oxygen for the fermented material simultaneously to promote the material and continuously high-efficient fermentation and take away the moisture in the fermented material, realize effectual minimizing.
At present, in order to maintain the high-temperature environment of high-temperature aerobic fermentation, the method mostly relies on external heating, such as hot water, heat conduction oil or hot air blowing and the like, the operation energy consumption is high, and the economical efficiency is poor; in order to achieve the moisture removal effect, a large amount of wet air in the fermentation tank needs to be pumped out, so that the treatment capacity of odor is large, and the collection and treatment cost is high; in the high-temperature aerobic fermentation process, heat generated by fermentation can be taken away by a large amount of pumped high-temperature wet air without recycling, so that a large amount of heat energy loss is caused, and the system operation cost is greatly increased; among the prior art, usually with the direct backward flow of damp and hot waste gas, but steam has been brought back to the reactor again, is absorbed by the fermentation material, and the moisture of material can not effectively be got rid of, can't accomplish effective minimizing of material, and because moisture does not taken away, the fermentation material moisture content in the fermentation cylinder is on the high side, and fermentation efficiency is low, and the fermentation effect is also poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a high-temperature aerobic fermentation system which can realize the recycling of the waste heat of tail gas while removing moisture.
The technical scheme that the utility model solves the technical problem adopts is that the high-temperature aerobic fermentation system with automatic dewatering and heat recycling comprises an aerobic fermentation reactor, a steam-water separator and a circulating fan which are sequentially connected through an air pipe to form a closed loop wind path system, wherein the steam-water separator comprises a tank body, two sides of which are respectively provided with an air inlet I and an air outlet I, a heat exchange isolation plate is arranged inside the tank body, and the heat exchange isolation plate is obliquely and hermetically fixed on the inner wall of the tank body and separates the air inlet I from the air outlet I; the heat exchange isolation plate comprises an air inlet II, an air outlet II and a heat exchange plate, the air inlet II is communicated with the atmosphere, the air outlet II is connected to an air inlet of a circulating fan, fresh air is heated after continuously passing through the heat exchange plate and is sent to the aerobic fermentation reactor under the action of the circulating fan to supplement oxygen for system fermentation; fermentation tail gas in the aerobic fermentation reactor enters the steam-water separator under the action of the circulating fan, the high-temperature and high-humidity tail gas collides with the heat exchange isolation plate, is reversed and exchanges heat, water in the tail gas is separated, the dewatered tail gas is discharged from the gas outlet I, one part of the tail gas returns to the aerobic fermentation reactor under the action of the circulating fan, and the other part of the tail gas is discharged for treatment.
Furthermore, an adjusting air valve I is arranged on a pipeline connecting the circulating fan and an air outlet II of the steam-water separator and used for adjusting the air inflow of fresh air; and the tail gas discharge pipeline is provided with an adjusting air valve II for adjusting the air volume of the discharged tail gas.
Furthermore, a reversing pipe, a filtering grid, a spiral guide plate, a liquid separating plate and a liquid guide pipe are arranged inside the steam-water separator tank body; the reversing pipe penetrates through the inclined heat exchange isolation plate from the center, and the heat exchange isolation plate is connected with the reversing pipe in a sealing manner; the filter grid is arranged at the bottom of the reversing pipe; the spiral guide plate is arranged below the heat exchange isolation plate, is fixed on the outer side of the reversing pipe along the vertical direction, and the length of the spiral guide plate extends to be flush with the lower end face of the filtering grid; the liquid separation plate is horizontally arranged right below the filtering grating and is fixed on the inner wall of the tank body; the liquid guide pipe is fixed on the inner wall of the tank body, the upper end surface of the liquid guide pipe is flush with the upper surface of the lowest point of the heat exchange isolation plate, and the lower end surface of the liquid guide pipe is not higher than the lower surface of the liquid separation plate.
Furthermore, the filtering grid is of a horn-shaped structure with a large lower part and a small upper part, and the diameters of the inner circle and the outer circle of the upper end face of the filtering grid are the same as those of the inner circle and the outer circle of the lower end face of the reversing pipe and are in sealing connection.
Furthermore, the inside of filtering the grid is equipped with the oblique capillary air pipe of many honeycomb arrangements, and the air current enters into the switching-over pipe through the capillary air pipe of filtering the grid lower part, and the water that separates then flows down to jar body bottom along the pipe wall of capillary air pipe.
Further, a water outlet is arranged at the bottom of the tank body of the steam-water separator, and a U-shaped water seal is arranged at the lower end of the water outlet.
Furthermore, the lowest part of the trap of the U-shaped water seal is provided with a sewage cleaning port which can be opened quickly.
Further, a support is arranged below the tank body of the steam-water separator, and the support is fixedly connected with the tank body of the steam-water separator and used for supporting and fixing the whole steam-water separator.
Furthermore, a deodorization device is connected behind the adjusting air valve II.
Further, the deodorization device comprises a deodorization fan and a deodorization filter tower which are connected behind the adjusting air valve II.
The utility model has the advantages that:
(1) after moisture in the fermentation tail gas is fully removed through the steam-water separator, the dried high-temperature tail gas is recycled, and condensed water is discharged, so that the purposes of dewatering and drying the fermentation material can be realized, fermentation heat can be fully recycled, the stability of the fermentation temperature of the system can be effectively ensured, the fermentation efficiency is greatly improved, and the steam-water separator has very obvious significance for low-temperature weather and areas;
(2) carry out the heat transfer through fresh air and fermentation tail gas in catch water, not only can effectively improve the dewatering efficiency of tail gas, still will get into the fresh air of fermentation cylinder simultaneously and heat, retrieve the heat in the tail gas, practiced thrift system's energy consumption greatly, reduce simultaneously because of the cold air directly gets into the fluctuation that fermentation reactor caused the fermentation temperature.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of the steam-water separator in the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of a portion of the steam-water separator shown in FIG. 2;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1-an aerobic fermentation reactor, 2-an air pipe, 3-a steam-water separator, 4-a circulating fan, 5 a-a bypass pipeline I, 5 b-a bypass pipeline II, 6 a-an adjusting air valve I, 6 b-an adjusting air valve II, 7-a deodorizing fan, 8-a deodorizing filter tower, 9-a vertical aerobic fermentation tank, 10-an air inlet pipe and 11-an exhaust collecting pipe; 301-tank body, 302-air inlet I, 303-air outlet I, 304-heat exchange isolation plate, 305-reversing pipe, 306-filtering grid, 307-spiral guide plate, 308-liquid separation plate, 309-liquid guide pipe, 310-water outlet, 311-U type water seal, 312-dirt removing port and 313-support; 3041-air inlet II, 3042-air outlet II, 3043-heat exchange plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1:
referring to the attached figure 1, the aerobic fermentation system comprises an aerobic fermentation reactor 1, a steam-water separator 3 and a circulating fan 4 which are sequentially connected through an air pipe 2, wherein a bypass pipeline I5 a and a bypass pipeline II 5b are arranged on the pipeline of the air pipe 2, the bypass pipeline I5 a is close to the circulating fan 4 and is connected with the steam-water separator 3, and an adjusting air valve I6 a is arranged on the bypass pipeline I5 a and is used for adjusting the air inflow of fresh air; and the bypass pipeline II 5b is provided with an adjusting air valve II 6b for adjusting the air volume of the exhausted tail gas. The deodorization device comprises a deodorization fan 9 and a deodorization filter tower 8 which are connected behind the adjusting air valve II 6 b. The deodorizing fan 9 is used for overcoming the filtering wind resistance of the deodorizing and filtering tower 8 so as to ensure the wind pressure balance between the bypass pipeline II 6b and the wind pipe 5.
The aerobic fermentation reactor 1 in this embodiment is a horizontal aerobic fermentation tank.
As shown in fig. 2-3, the steam-water separator comprises a tank body 301 with an air inlet i 302 and an air outlet i 303 on two sides, respectively, and a heat exchange isolation plate 304, a reversing pipe 305, a filter grid 306, a spiral guide plate 307, a liquid separation plate 308 and a liquid guide pipe 309 are arranged inside the tank body 301; the heat exchange isolation plate 304 is obliquely and hermetically welded on the inner wall of the tank body 301, and isolates the air inlet I302 from the air outlet I303 and is respectively positioned at the two sides of the air inlet I302 and the air outlet I303, so that the air inlet I302 and the air outlet I303 of the separator cannot be directly communicated; the reversing pipe 305 penetrates through the inclined heat exchange isolation plate 304 from the center, the size of the reversing pipe 305 just enables the reversing pipe 305 to penetrate through the inclined heat exchange isolation plate, and the heat exchange isolation plate 304 and the reversing pipe 305 are fixedly connected into a whole through sealing welding.
The filtering grille 306 is of a horn-shaped structure with a large lower part and a small upper part, the upper end face of the filtering grille 306 is hermetically connected and fixed with the lower end face of the reversing pipe 305, the diameter of the inner circle and the outer circle of the upper end face of the filtering grille 306 is the same as that of the inner circle and the outer circle of the lower end face of the reversing pipe 305, the diameter of the outer circle of the lower end face of the filtering grille 306 is smaller than the inner diameter of the tank body 301, the drift diameter area between the filtering grille 306 and the tank body is ensured not smaller than that of a main body air passage inside the separator, a series of oblique capillary air pipes arranged in a honeycomb shape are arranged inside the filtering grille 306, air flow enters the reversing pipe 305 through the capillary air pipes at the lower part of the filtering grille 306, so that moisture; the spiral guide plate 307 is arranged below the heat exchange isolation plate 304, is welded on the outer side of the reversing pipe 305 in the vertical direction, and has the length extending to be flush with the lower end face of the filter grid 306, and the outer diameter of the spiral guide plate 307 is smaller than the inner diameter of the tank body 301 and is used for guiding gas entering the separator to enable the gas to move downwards in the spiral direction.
The liquid separating plate 308 is a conical structure with a high middle part and a low periphery, is horizontally arranged right below the filter grid 306 and keeps a certain distance with the lower end surface of the filter grid 306, the core plate of the liquid separating plate 308 is a solid plate with a diameter larger than the outer diameter of the lower end surface of the filter grid 306 and smaller than the inner diameter of the tank body 301, and is fixedly connected to the tank body 301 through the support legs at the periphery of the solid plate. The liquid guide tube 309 is fixedly connected to the inner wall of the tank 301, is arranged at the lowest position of the heat exchange isolation plate 304, penetrates through the heat exchange isolation plate 304, has an upper end surface flush with the upper surface of the lowest position of the heat exchange isolation plate 304, has a lower end penetrating through the liquid separation plate 308, has a lower end surface not higher than the lower surface of the liquid separation plate 308, and is used for guiding accumulated water generated at the upper end of the tank 301 into the bottom of the tank 301.
A water outlet 310 is arranged at the bottom of the tank body 301, the lower end of the water outlet 310 is fixedly connected with a U-shaped water seal 311, the U-shaped water seal 311 is used for controlling the height of accumulated water in the steam-water separator 3, and when the accumulated water in the steam-water separator 3 exceeds a set height, the accumulated water is automatically discharged under the action of gravity; be equipped with the mouth 312 of decontaminating in the lowest of U-shaped water seal 311's trap, the mouth 312 of decontaminating can be opened fast to can be convenient when the siltation is blockked up appear in U-shaped water seal 311 in time clear up.
A support 313 is arranged below the tank body 301, and the support 313 and the tank body 301 are fixedly connected into a whole through welding and are used for supporting and fixing the whole steam-water separator.
As shown in fig. 3, the heat exchange isolation plate 304 has a heat exchange function, the heat exchange isolation plate 304 includes an air inlet ii 3041, an air outlet ii 3042 and a heat exchange plate 3043, the air inlet ii 3041 is communicated with the atmosphere, the air outlet ii 3042 is connected to a system bypass pipeline i 5a, and a heat exchange coil is arranged in the heat exchange plate 3043; cold air enters the heat exchange plate 3043 from the air inlet II 3041, and is subjected to sufficient heat exchange with tail gas entering the tank body 301 in the heat exchange plate 3043, the heated cold air is discharged from the air outlet 3042 and is finally sent to the aerobic fermentation reactor 1 through the bypass pipeline I5 a by the circulating fan 4 for system fermentation, the heat of the tail gas is taken away, a large amount of moisture is condensed and separated out, and the steam-water separation of the tail gas is effectively promoted.
The working process is as follows:
the high-temperature and high-humidity fermentation tail gas in the aerobic fermentation reactor 1 is pumped out under the action of the circulating fan 4, enters a tank body of the steam-water separator 3 from an air inlet I302 of the steam-water separator 3 through the air pipe 2, is fully contacted with the heat exchange isolation plate 304 at first, is reversed under the action of the heat exchange isolation plate 304, is fully heat exchanged with cold air in the heat exchange isolation plate 304 through the contact with the heat exchange isolation plate 304 in the process of contacting with the heat exchange isolation plate 304, so that the temperature of the tail gas is reduced, a large amount of moisture is separated from the tail gas due to condensation through collision and heat exchange condensation with the heat exchange isolation plate 304, the condensed tail gas further moves downwards in a spiral way under the action of the spiral guide plate 307, the moisture in the tail gas is further separated under the actions of centrifugal force and collision, and finally dry steam-water tail gas is obtained and finally discharged out of the air outlet I303, a small part of the tail gas is discharged and treated through a bypass pipeline II 5b, and most of the residual tail gas returns to the aerobic fermentation reactor 1 under the action of a circulating fan 4; the separated water flows to the bottom of the tank body along the inner wall of the tank body of the steam-water separator 3 for deposition, and when the liquid level of the accumulated water at the bottom reaches a certain height, the water can be automatically discharged out of the tank body of the steam-water separator 3 through the U-shaped water seal 311.
Cold air enters the heat exchange isolation plate 304 from the air inlet II 3041, is heated after being subjected to sufficient heat exchange with tail gas entering the tank body in the heat exchange isolation plate 304, and the heated air is finally sent into the aerobic fermentation reactor 1 through the circulating fan 3 through the system bypass pipeline I5 a from the air outlet II 3042 for system fermentation.
Example 2:
referring to fig. 4, the present embodiment is different from embodiment 1 in that: a vertical aerobic fermentation reaction is adopted, and a vertical aerobic fermentation tank 9, a steam-water separator 3 and a circulating fan 4 are sequentially connected through an air pipe 2; the air outlet of the circulating fan 4 is connected with an air inlet pipe 10, the air inlet pipe 10 is directly connected with the bottom of the vertical aerobic fermentation tank 9, fresh air enters the fermentation tank, and waste gas is collected by a top exhaust and collection pipe 11 of the vertical aerobic fermentation tank 9 and is sent into the air pipe 2. The other external connection devices are the same as those of the horizontal aerobic fermentation tank in example 1. The same as in example 1.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (10)
1. Automatic dewatering and heat cyclic utilization's good oxygen fermentation system of high temperature includes aerobic fermentation reactor, catch water, circulating fan who connects gradually through the tuber pipe, forms closed loop wind path system, its characterized in that: the steam-water separator comprises a tank body, wherein the two sides of the tank body are respectively provided with an air inlet I and an air outlet I, a heat exchange isolation plate is arranged inside the tank body, and the heat exchange isolation plate is obliquely and hermetically fixed on the inner wall of the tank body and separates the air inlet I from the air outlet I; the heat exchange isolation plate comprises an air inlet II, an air outlet II and a heat exchange plate, the air inlet II is communicated with the atmosphere, and the air outlet II is connected to the air inlet of the circulating fan.
2. The high-temperature aerobic fermentation system with automatic water removal and heat recycling functions as claimed in claim 1, wherein: a regulating air valve I is arranged on a pipeline connecting the circulating fan and the air outlet II of the steam-water separator and used for regulating the air inflow of fresh air; and the tail gas discharge pipeline is provided with an adjusting air valve II for adjusting the air volume of the discharged tail gas.
3. The high-temperature aerobic fermentation system with automatic water removal and heat recycling functions as claimed in claim 2, wherein: a reversing pipe, a filtering grid, a spiral guide plate, a liquid separating plate and a liquid guide pipe are arranged inside the steam-water separator tank body; the reversing pipe penetrates through the inclined heat exchange isolation plate from the center, and the heat exchange isolation plate is connected with the reversing pipe in a sealing manner; the filter grid is arranged at the bottom of the reversing pipe; the spiral guide plate is arranged below the heat exchange isolation plate, is fixed on the outer side of the reversing pipe along the vertical direction, and the length of the spiral guide plate extends to be flush with the lower end face of the filtering grid; the liquid separation plate is horizontally arranged right below the filtering grating and is fixed on the inner wall of the tank body; the liquid guide pipe is fixed on the inner wall of the tank body, the upper end surface of the liquid guide pipe is flush with the upper surface of the lowest point of the heat exchange isolation plate, and the lower end surface of the liquid guide pipe is not higher than the lower surface of the liquid separation plate.
4. The high-temperature aerobic fermentation system with automatic water removal and heat recycling functions as claimed in claim 3, wherein: the filtering grating is of a horn-shaped structure with a large lower part and a small upper part, and the diameters of the inner circle and the outer circle of the upper end face of the filtering grating are the same as those of the inner circle and the outer circle of the lower end face of the reversing pipe and are in sealing connection.
5. The high temperature aerobic fermentation system with automatic water removal and heat recycling according to claim 3 or 4, wherein: the inside of filtering the grid is equipped with the oblique capillary air pipe of many honeycomb arrangements, and the air current enters into the switching-over pipe through the capillary air pipe of filtering the grid lower part, and the water that separates then down flows to jar body bottom along the pipe wall of capillary air pipe.
6. The high-temperature aerobic fermentation system with automatic water removal and heat recycling according to any of claims 1 to 4, wherein: the bottom of the tank body of the steam-water separator is provided with a water outlet, and the lower end of the water outlet is provided with a U-shaped water seal.
7. The high-temperature aerobic fermentation system with automatic water removal and heat recycling functions as claimed in claim 6, wherein: the lowest part of the trap of the U-shaped water seal is provided with a sewage cleaning port which can be opened quickly.
8. The high temperature aerobic fermentation system with automatic water removal and heat recycling according to claim 2 or 3, wherein: and a support is arranged below the tank body of the steam-water separator, and the support is fixedly connected with the tank body of the steam-water separator and is used for supporting and fixing the whole steam-water separator.
9. The high-temperature aerobic fermentation system with automatic water removal and heat recycling according to any of claims 2 to 4, wherein: and a deodorizing device is connected behind the adjusting air valve II.
10. The high-temperature aerobic fermentation system with automatic water removal and heat recycling functions as claimed in claim 9, wherein: the deodorization device comprises a deodorization fan and a deodorization filter tower which are connected behind the adjusting air valve II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375191.0U CN211946733U (en) | 2020-03-23 | 2020-03-23 | High-temperature aerobic fermentation system capable of automatically removing water and recycling heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020375191.0U CN211946733U (en) | 2020-03-23 | 2020-03-23 | High-temperature aerobic fermentation system capable of automatically removing water and recycling heat |
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| CN211946733U true CN211946733U (en) | 2020-11-17 |
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| CN202020375191.0U Active CN211946733U (en) | 2020-03-23 | 2020-03-23 | High-temperature aerobic fermentation system capable of automatically removing water and recycling heat |
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