CN210103962U - Multifunctional stirring device suitable for dry anaerobic fermentation system - Google Patents
Multifunctional stirring device suitable for dry anaerobic fermentation system Download PDFInfo
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- CN210103962U CN210103962U CN201920496264.9U CN201920496264U CN210103962U CN 210103962 U CN210103962 U CN 210103962U CN 201920496264 U CN201920496264 U CN 201920496264U CN 210103962 U CN210103962 U CN 210103962U
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Abstract
The utility model provides a multifunctional stirring device suitable for a dry anaerobic fermentation system, which comprises a motor and a stirring shaft, wherein the motor is in transmission connection with the stirring shaft, the stirring shaft is provided with a stirrer, the stirrer comprises a stirring paddle, and a first fluid distribution cavity is arranged inside the stirring shaft; and a second fluid distribution cavity communicated with the first fluid distribution cavity is arranged in the stirring paddle, and the first fluid distribution cavity is externally connected with a heat exchange device, so that a heat transfer medium flows through the first fluid distribution cavity and the second fluid distribution cavity. The utility model adopts the technical scheme that a first fluid distribution cavity and a second fluid distribution cavity which are internally communicated with heat transfer media are arranged in the stirring shaft and the stirrer; the whole stirring device is filled with the heat transfer medium through the fluid distribution channel, and the stirring of the device is fully and uniformly contacted with the materials around the stirrer, so that the uniform radiation of heat in the stirring device and the heating of the materials in the tank body are realized.
Description
Technical Field
The utility model relates to an anaerobic fermentation equipment field, concretely relates to multi-functional agitating unit suitable for dry-type anaerobic fermentation system.
Background
With the continuous development of economic society, limited resources are rapidly consumed, and meanwhile, environmental problems are increasingly highlighted. Especially global greenhouse effect seriously threatens human survival. The anaerobic fermentation technology can convert organic wastes (livestock and poultry manure, municipal waste and kitchen waste) into methane while treating the organic wastes. The method improves the utilization rate of organic wastes, improves the environment and reduces the emission of greenhouse gases, thereby having great social, economic and environmental benefits. Wherein, the stirring is indispensable in the dry anaerobic fermentation process, and the stirring can promote mass transfer and heat transfer, so that materials are directly contacted with microorganisms, the escape of biogas is accelerated, the biogas production effect and the electric energy consumption are directly influenced, and the stirring is an important operation step in the dry anaerobic fermentation process.
At present, pneumatic stirring and mechanical stirring are widely applied as stirring methods. Patent publication No. CN2755086Y provides a self-stirring solar methane tank, which mainly uses methane buoyancy to stir and uses solar energy to heat according to water temperature change; the patent with publication number CN205774487U provides a novel anaerobic fermentation tank stirring device, vertical arrangement main (mixing) shaft in anaerobic fermentation tank, and main (mixing) shaft from the top down equipartition has a plurality of first impeller, all installs vertical arrangement's driven (mixing) shaft on the support frame of installing on the inner wall of main (mixing) shaft both sides anaerobic fermentation tank, and has second impeller on the driven (mixing) shaft, and two (mixing) shaft transmission are connected. The methane tank is stirred by utilizing the buoyancy of the methane, the intermittent stirring is realized, the acting force is not stable enough, the uniform mixing of materials cannot be ensured, and the temperature regulation by utilizing the solar energy is limited by the weather condition. The stirring unit and the heating unit are basically independent, the problems of large distribution volume and low space utilization rate of each unit exist, the heating units are basically arranged on the wall of the fermentation tank by heating pipes, and dry materials are easily accumulated on the heating pipes after long-term operation, so that the heating efficiency is low.
Disclosure of Invention
Technical problem to be solved
The utility model aims at providing a multifunctional stirring device which is suitable for a dry anaerobic fermentation system, wherein a first fluid distribution cavity and a second fluid distribution cavity which are internally communicated with heat transfer media are arranged in a stirring shaft and a stirrer; the whole stirring device is filled with the heat transfer medium through the fluid distribution channel, so that the defect that the heating efficiency is low due to the fact that the existing fermentation device is usually arranged on the wall of the fermentation tank through the heating pipes and dry materials are easily accumulated on the heating pipes after long-term operation is overcome.
(II) technical scheme
In order to solve the technical problem, the utility model provides a multifunctional stirring device suitable for a dry anaerobic fermentation system, which comprises a motor and a stirring shaft, wherein the motor is in transmission connection with the stirring shaft, the stirring shaft is provided with a stirrer, the stirrer comprises a stirring paddle, and a first fluid distribution cavity is arranged inside the stirring shaft; and a second fluid distribution cavity communicated with the first fluid distribution cavity is arranged in the stirring paddle, and the first fluid distribution cavity is externally connected with a heat exchange device, so that a heat transfer medium flows through the first fluid distribution cavity and the second fluid distribution cavity. The utility model adopts the technical scheme that a first fluid distribution cavity and a second fluid distribution cavity which are internally communicated with heat transfer media are arranged in the stirring shaft and the stirrer; the whole stirring device is filled with the heat transfer medium through the fluid distribution channel after the heat transfer medium is introduced, and the heat transfer medium is fully and uniformly contacted with the materials around the stirrer along with the stirring of the device, so that the uniform radiation of the heat in the stirring device and the heating of the materials in the tank body are realized; avoided using the heating pipe to make the material gather on the heating pipe, because the agitator is rotating in the use all the time, it can not take place the material and gathers, and heating efficiency is higher.
Preferably, the stirring shaft is arranged in a horizontal direction. The utility model discloses a (mixing) shaft is arranged along the horizontal direction, and its (mixing) shaft drives the agitator and rotates, and it is especially suitable for the fermentation material that TS concentration is 15% ~35%, therefore the material under this concentration, and viscosity is big, and the material is difficult to overturn from top to bottom and mixes, adopts the (mixing) shaft to arrange along the horizontal direction, and its agitating unit's overall height is lower, and the stirring rake occupies great space for the material upset intensive mixing.
Preferably, the stirrers are uniformly distributed along the stirring shaft, and the interval between two adjacent stirrers is 60 cm-300 cm. In order to adapt to fermentation materials with high viscosity and TS concentration of 15% -35%, the spaced stirrers are arranged, the materials are overturned, mixed and heated more fully, and the situation that the stirrers are arranged too densely can not occur, so that the materials are gathered on the structure at the bottom end of the stirring paddle.
Preferably, the stirrers are arranged on the stirring shaft and are sequentially arranged in a staggered manner along the axial direction, any two adjacent stirrers deflect along the counterclockwise direction or the clockwise direction, and the deflection angle is an acute angle. The utility model discloses a staggered angle is the acute angle between two arbitrary adjacent agitators, and it is convenient for drive the material and upwards turns to guarantee heat transfer efficiency.
Preferably, the motor is a speed-regulating variable frequency motor, and the rotating speed is 0.5 r/min-5.5 r/min. At the rotating speed, the requirement of turning over materials is met, and the heat transfer process is fully carried out.
Preferably, the stirrer further comprises a paddle blade, the paddle blade is installed at the tail end of the stirring paddle, and the angle of the paddle blade inclined to the stirring paddle is 120-160 degrees. The utility model discloses a paddle blade is 120 ~160 with the angle of stirring rake, and paddle blade can upwards promote the material when agitating unit moves, breaks up back mixing with it. More excellent, the oar formula blade is a plurality of parallel arrangement, and its a plurality of oar formula blades pass through the copper connection piece and connect, and it can fully increase the area of contact of oar formula blade and material, has strengthened the heat transfer effect, and its oar formula blade's upset effect is more excellent moreover.
Preferably, the first fluid distribution chamber and the second fluid distribution chamber are divided into fluid distribution channels for facilitating the circulation flow of the fluid by a heat source shell-side partition plate, and the heat source shell-side partition plate comprises a main partition plate positioned in the first fluid distribution chamber and a branch partition plate connected with the main partition plate and extending into the second fluid distribution chamber. The utility model discloses a set up main division board and branch division board, separate into the fluid distribution passageway that the fluid circulation of being convenient for flows with first fluid distribution chamber, it is convenient for the liquid circulation flow.
Preferably, the stirring shaft is rotatably connected with the coupler, and a bearing seat is arranged at the joint between the stirring shaft and the coupler. The utility model discloses a shaft coupling is rotationally connected to the (mixing) shaft, the bearing frame is installed to the junction between (mixing) shaft and the shaft coupling, and its structural strength is high, is difficult to the weeping to appear.
Preferably, the coupling is externally connected with a rotary joint, and the rotary joint is provided with a heat source medium inlet and a heat source medium outlet which are communicated with the first fluid distribution cavity and the second fluid distribution cavity; and a base is arranged at one end of the stirring shaft, which is far away from the motor. The utility model discloses a motor was kept away from to the (mixing) shaft one end is equipped with the base, has guaranteed (mixing) shaft pivoted stability.
Preferably, a temperature sensor probe is installed at the tail end of the stirrer, and the temperature sensor transmits data to the server side through wireless signals. The utility model discloses the agitator end sets up the temperature sensor probe, temperature sensor transmits data to the server through wireless signal; it is convenient for transmit the data of the terminal temperature of agitator for this monitoring personnel.
(III) advantageous effects
The utility model provides a pair of multi-functional agitating unit suitable for dry-type anaerobic fermentation system, it has following advantage:
1. the utility model adopts the technical scheme that a first fluid distribution cavity and a second fluid distribution cavity which are internally communicated with heat transfer media are arranged in the stirring shaft and the stirrer; the whole stirring device is filled with the heat transfer medium through the fluid distribution channel after the heat transfer medium is introduced, and the heat transfer medium is fully and uniformly contacted with the materials around the stirrer along with the stirring of the device, so that the uniform radiation of the heat in the stirring device and the heating of the materials in the tank body are realized; avoided using the heating pipe to make the material gather on the heating pipe, because the agitator is rotating in the use all the time, it can not take place the material and gathers, and heating efficiency is higher.
Drawings
FIG. 1 is a side view of an embodiment 1 of a multi-purpose stirring apparatus for a dry anaerobic fermentation system according to the present invention;
FIG. 2 is a front view of the mixer of embodiment 1 of the multifunctional mixing device for dry anaerobic fermentation system of the present invention;
FIG. 3 is a side view of the agitator of embodiment 1 of a multi-purpose agitator device for dry anaerobic fermentation system of the present invention;
FIG. 4 is an internal view of an embodiment 1 of the multi-purpose stirring apparatus for dry anaerobic fermentation system of the present invention;
FIG. 5 is a structural diagram of a stirring shaft and a stirrer of embodiment 1 of the multifunctional stirring device for a dry anaerobic fermentation system of the present invention;
FIG. 6 is a partial front view of the mixer of embodiment 2 of the multi-purpose mixing apparatus for dry anaerobic fermentation system of the present invention;
FIG. 7 is a partial side view of a mixer of embodiment 2 of a multi-purpose mixing apparatus for dry anaerobic fermentation system according to the present invention.
1. The device comprises a motor, 2, a stirring shaft, 3, a stirrer, 4, a coupler, 5, a bearing seat, 6, a first fluid distribution cavity, 7, a second fluid distribution cavity, 8, a rotary joint, 9, a heat source medium inlet, 10, a heat source medium outlet, 11, a paddle type blade, 12, a heat source shell side partition plate, 13, a connecting piece, 14, a base, 15, a main partition plate, 16, a branch partition plate, 17 and a stirring paddle.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the present invention provides a multifunctional stirring device suitable for a dry anaerobic fermentation system, comprising: the stirring shaft is connected in a transmission mode through the motor 1, the stirrer 3 is arranged on the stirring shaft, the stirring shaft is rotatably connected with the coupler 4, and a bearing seat 5 is arranged at the joint between the stirring shaft and the coupler. The stirrer comprises a stirring paddle 17, and a first fluid distribution cavity 6 is arranged in the stirring shaft; and a second fluid distribution cavity 7 communicated with the first fluid distribution cavity is arranged in the stirring paddle, and the first fluid distribution cavity is externally connected with a heat exchange device, so that a heat transfer medium flows through the first fluid distribution cavity and the second fluid distribution cavity. The coupler is externally connected with a rotary joint 8, and a heat source medium inlet 9 and a heat source medium outlet 10 which are communicated with the first fluid distribution cavity and the second fluid distribution cavity are arranged on the rotary joint. The end of the stirring shaft away from the motor is provided with a base 14. The stirrer is characterized in that a temperature sensor probe is installed at the tail end of the stirrer, and the temperature sensor transmits data to the server through wireless signals. The heat exchange device in the embodiment can adopt a hot water supply device or a steam heating device on the market.
The stirring shaft is arranged along the horizontal direction. The stirrers are uniformly distributed along the stirring shaft, and the interval between every two adjacent stirrers is 60 cm-300 cm. The diameter of the stirring shaft is 1-10 m. The stirrers are arranged on the stirring shaft along the anticlockwise direction or the clockwise direction, any two adjacent stirrers are staggered in sequence along the horizontal direction, and the offset angle A on the staggered rear side face is an acute angle. The motor is a speed-regulating variable frequency motor, and the rotating speed is 0.5 r/min-5.5 r/min. The stirrer further comprises a paddle type blade 11, the paddle type blade is installed at the tail end of the stirring paddle, and the angle of the paddle type blade inclined to the stirring paddle is 120-160 degrees. The first fluid distribution chamber and the second fluid distribution chamber are separated into fluid distribution channels convenient for the circulation flow of the fluid through the heat source shell-side partition plate 12. The fluid distribution channels comprise inlet channels 18, which enter the heat transfer medium, and outlet channels 19, which exit the heat transfer medium. The heat source shell-side baffle comprises a main partition plate 15 located in the first fluid distribution chamber and a branch partition plate 16 connecting the main partition plate and extending into the second fluid distribution chamber.
When the embodiment is implemented, the motor drives the stirring shaft to rotate, so as to drive the stirring paddle and the stirring blade to rotate, and meanwhile, the hot water supply device enters hot water through the heat source medium inlet, circulates through the fluid distribution channels of the first fluid distribution cavity and the second fluid distribution cavity, and then flows out from the heat source medium outlet.
Example 2
As shown in fig. 6 and 7, the difference between the present embodiment 2 and the embodiment 1 is that the stirring paddle is provided with three parallel copper paddle blades at the end, the three paddle blades are staggered in sequence and have partial area overlapping to form an integral paddle blade assembly, and the three paddle blades are connected by a plurality of copper connecting sheets 13 parallel to the stirring paddle to form a grid structure. The paddle type blade with the grid structure has high stirring force and high heat transfer effect; the heat transfer effect at the tail end of the stirrer is better, and the defect of poor heat exchange effect at the outer side far away from the edge of the stirring shaft is avoided.
The above-mentioned embodiments are only used for explaining the present invention, wherein the structure, connection mode, etc. of each component can be changed, all the equivalent transformation and improvement performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims (8)
1. A multifunctional stirring device suitable for a dry anaerobic fermentation system comprises a motor and a stirring shaft arranged along the horizontal direction, wherein the motor is in transmission connection with the stirring shaft, and a stirrer is arranged on the stirring shaft; and a second fluid distribution cavity communicated with the first fluid distribution cavity is arranged in the stirring paddle, and the first fluid distribution cavity is externally connected with a heat exchange device, so that a heat transfer medium flows through the first fluid distribution cavity and the second fluid distribution cavity.
2. The multifunctional stirring device for a dry anaerobic fermentation system as claimed in claim 1, wherein the stirrers are uniformly distributed along the stirring shaft, and the interval between two adjacent stirrers is 60 cm-300 cm.
3. The multifunctional stirring device for a dry anaerobic fermentation system as claimed in claim 2, wherein the stirrers are installed on the stirring shaft and are sequentially staggered in the axial direction, and any two adjacent stirrers are deflected in the counterclockwise or clockwise direction by an acute angle.
4. The multifunctional stirring device suitable for the dry anaerobic fermentation system as claimed in claim 1, wherein the motor is a variable speed variable frequency motor with a rotation speed of 0.5r/min to 5.5 r/min.
5. The multifunctional stirring device for the dry anaerobic fermentation system as claimed in claim 1, 2, 3 or 4, wherein the stirrer further comprises a paddle blade installed at the end of the stirring paddle and inclined at an angle of 120 ° to 160 ° to the stirring paddle.
6. The multi-functional stirring device for the dry anaerobic fermentation system as claimed in claim 1, 2, 3 or 4, wherein the first fluid distribution chamber and the second fluid distribution chamber are divided into fluid distribution channels for facilitating the circulation of fluid by a heat source shell-side partition plate, and the heat source shell-side partition plate comprises a main partition plate located in the first fluid distribution chamber and a branch partition plate connected with the main partition plate and extending into the second fluid distribution chamber.
7. A multifunctional stirring device for a dry anaerobic fermentation system as claimed in claim 1, 2, 3 or 4, wherein the stirring shaft is rotatably connected with a coupling, and a bearing seat is installed at the connection between the stirring shaft and the coupling.
8. The multifunctional stirring device for a dry anaerobic fermentation system as claimed in claim 7, wherein the coupling is externally connected with a rotary joint, and the rotary joint is provided with a heat source medium inlet and a heat source medium outlet which are communicated with the first fluid distribution chamber and the second fluid distribution chamber; and a base is arranged at one end of the stirring shaft, which is far away from the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496264.9U CN210103962U (en) | 2019-04-12 | 2019-04-12 | Multifunctional stirring device suitable for dry anaerobic fermentation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496264.9U CN210103962U (en) | 2019-04-12 | 2019-04-12 | Multifunctional stirring device suitable for dry anaerobic fermentation system |
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| CN210103962U true CN210103962U (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066722A (en) * | 2019-04-12 | 2019-07-30 | 杭州能源环境工程有限公司 | A kind of multifunctional stirring device suitable for dry type anaerobic fermentation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066722A (en) * | 2019-04-12 | 2019-07-30 | 杭州能源环境工程有限公司 | A kind of multifunctional stirring device suitable for dry type anaerobic fermentation system |
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Address after: 311106 no.550, Shunfeng Road, Yuhang Economic Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Energy & Environment Engineering Co., Ltd. Address before: No. 550, Qianfeng Road, Qianjiang Economic Development Zone, Jianggan District, Hangzhou, Zhejiang Patentee before: Hangzhou Energy & Environment Engineering Co., Ltd. |