CN216106900U - Exhaust discharging area stirring assembly for partitioned stirring dry type anaerobic fermentation device - Google Patents
Exhaust discharging area stirring assembly for partitioned stirring dry type anaerobic fermentation device Download PDFInfo
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- CN216106900U CN216106900U CN202122375801.4U CN202122375801U CN216106900U CN 216106900 U CN216106900 U CN 216106900U CN 202122375801 U CN202122375801 U CN 202122375801U CN 216106900 U CN216106900 U CN 216106900U
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- air guide
- rotating shaft
- paddle
- anaerobic fermentation
- guide rod
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Abstract
The utility model relates to an exhaust discharging area stirring assembly for a partitioned stirring dry anaerobic fermentation device, which comprises a rotating shaft and a plurality of groups of blade frames arranged on the rotating shaft, wherein each group of blade frames are uniformly distributed along the circumferential direction of the rotating shaft when viewed along the axial direction of the rotating shaft, and any two adjacent groups of blade frames on the rotating shaft are arranged in a staggered manner when viewed along the radial direction of the rotating shaft; the paddle frame comprises side plates on two sides and a top plate paddle connected with the end portions of the side plates on the two sides, a lower fixing plate is arranged at the lower end of the paddle frame, an air guide rod is arranged inside the paddle frame, the upper end of the air guide rod is connected with the top plate paddle, and the lower end of the air guide rod is connected with the lower fixing plate. According to the utility model, the plurality of air guide rods are arranged in the paddle frame, so that biogas mixed in materials can be discharged quickly, the surface crusting and particle sinking of the materials are prevented, and the use requirement of the device partition design is met.
Description
Technical Field
The utility model relates to the field of anaerobic fermentation equipment, in particular to an exhaust discharging area stirring component for a partitioned stirring dry-type anaerobic fermentation device.
Background
The anaerobic fermentation can be divided into wet anaerobic fermentation and dry anaerobic fermentation according to the difference of solid content (TS) of materials, wherein the dry anaerobic fermentation refers to an anaerobic fermentation treatment process using organic solid wastes with the solid content of 20-40% as raw materials. Compared with wet anaerobic fermentation techniques, dry anaerobic fermentation has many distinct advantages, such as: 1. the reactor has small volume and small occupied area; 2. the volume gas production rate is high, and the heating energy consumption is low; 3. the total loss of methane is low; 4. the water consumption is low, and the problems of scum, solid-liquid separation and the like in wet fermentation can be avoided; 5. the post-treatment is easy, the biogas residues can be used for producing organic fertilizers, and the biogas slurry volume is small. Therefore, the dry anaerobic fermentation technology has become a key research direction and widely popularized technology in the field of domestic and foreign organic solid waste treatment. The dry anaerobic fermentation substrate has high concentration, the viscosity of the fermentation material is more than 3 times of that of the wet fermentation material, and the result is that the gas production is more, the rising speed of bubbles is reduced, and the fermentation liquid is easy to expand; the mass and heat transfer are poor, and the particles float upwards or sink down in the mixing and kneading transition area, so the stirring structure design of the dry anaerobic fermentation equipment is very important.
Chinese utility model patent with publication number CN213416867U discloses a horizontal dry anaerobic fermentation reactor with double-layer stirring structure, which is provided with a double-layer stirring structure in the main body of the reactor, wherein the upper-layer stirrer comprises a frame-type stirrer, and the lower-layer stirrer comprises a single-paddle stirrer. The Chinese patent publication No. CN112812940A discloses a mechanical and pneumatic combined dry anaerobic fermentation system and a fermentation method, which comprises a mechanical stirring component and a pneumatic stirring component, wherein the mechanical stirring component comprises a stirring shaft arranged along the axial direction of a horizontal fermentation tank and a plurality of blades arranged on the stirring shaft, and the pneumatic stirring component comprises a first pneumatic pipe, a second pneumatic pipe and a gas supply pipeline connected with the first pneumatic pipe and the second pneumatic pipe which are sequentially arranged along the axial direction of the horizontal fermentation tank. Chinese utility model patent with publication number CN212669665U discloses a mechanical and hydrojet combined stirring device for anaerobic fermentation system, which comprises a mechanical stirring device and a hydrojet stirring device, wherein the mechanical stirring device comprises a driving shaft and an auxiliary shaft on the same axis, and the hydrojet stirring device comprises a liquid supply pipe, a pump and a liquid sprayer. The chinese utility model patent with the publication number of CN213853979U discloses a horizontal high-efficiency plug-flow stirring device and a horizontal stirring tank, which start from the stirring blade, and designs a stirring blade with a long-strip arc structure, and each stirring blade is spirally distributed in the radial direction of the stirring shaft.
However, the design of the stirring device, whether the mechanical stirring device, the pneumatic stirring assembly, the liquid spraying stirring device or different combinations of various devices, is based on taking the fermentation tank as a whole, but indexes such as material viscosity, water content and the like at different stages in the fermentation process are changed, the stirring effect of the device is still to be further improved, and how to realize rapid exhaust is also a problem to be considered under the conditions of more gas production and the like caused by higher viscosity of the fermented material.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an exhaust discharging area stirring assembly for a partitioned stirring dry type anaerobic fermentation device, wherein a plurality of air guide rods are arranged in a blade frame, so that biogas mixed in materials can be quickly discharged, the surface crusting and particle sinking of the materials are prevented, the use requirements of the device partitioned design are met, the number and density degree of the air guide rods can be adjusted as required, and the device is flexible to use.
The purpose of the utility model is realized by the following technical scheme:
an exhaust discharging area stirring assembly for a partitioned stirring dry anaerobic fermentation device comprises a rotating shaft and a plurality of groups of blade frames arranged on the rotating shaft, wherein each group of blade frames are uniformly distributed along the circumferential direction of the rotating shaft when viewed along the axial direction of the rotating shaft, and any two adjacent groups of blade frames on the rotating shaft are arranged in a staggered manner when viewed along the radial direction of the rotating shaft; the paddle frame comprises side plates on two sides and a top plate paddle connected with the end portions of the side plates on the two sides, a lower fixing plate is arranged at the lower end of the paddle frame, an air guide rod is arranged inside the paddle frame, the upper end of the air guide rod is connected with the top plate paddle, and the lower end of the air guide rod is connected with the lower fixing plate.
The top plate paddle and the lower fixing plate are both provided with adjusting sliding grooves, and the end parts of the air guide rods are installed in the corresponding adjusting sliding grooves through fixing bolts.
And a locking nut is sleeved at the lower end of the fixing bolt, and the locking nut and the nut of the fixing bolt are matched to clamp the top plate paddle.
Fixing bolt outside cover is equipped with the stop collar, fixing bolt includes toper portion and screw rod portion, the stop collar includes spacing lamella portion and sleeve pipe, just the sleeve pipe with screw rod portion threaded connection, spacing lamella portion passes through toper portion moves down the drive and opens, all be equipped with spacing jack catch on each spacing lamella of spacing lamella portion, adjustment spout both sides all are equipped with a plurality of spacing draw-in grooves, just when spacing lamella portion opens, the spacing jack catch of spacing lamella portion both sides blocks respectively in the spacing draw-in groove that corresponds.
The limiting clamping jaw is hook-shaped.
And adjacent limiting petals of the limiting petal parts are separated by a slot.
And the end part of the air guide rod is provided with a wear-resistant gasket.
The utility model has the advantages and positive effects that:
1. according to the utility model, the plurality of air guide rods are arranged in the paddle frame, so that methane mixed in materials can be discharged quickly, the surface crusting and particle sinking of the materials are prevented, and the use requirements of the device partition design can be met fully.
2. The top plate blade and the lower fixing plate of the blade frame are respectively provided with the adjusting sliding grooves, two ends of the air guide rods are fixed in the corresponding adjusting sliding grooves through the fixing bolts, and the number and the positions of the air guide rods can be adjusted according to different material stirring requirements, so that the blade frame is flexible to use and wide in application range.
3. The end part of the air guide rod is fixed by matching the fixing bolt and the limiting sleeve, so that the position and the quantity adjustment of the air guide rod are not influenced, the end part of the air guide rod is fully and firmly fixed, the conditions of loosening or moving and the like under the continuous stirring impact of materials are avoided, and the quick exhaust effect is fully ensured.
Drawings
Figure 1 is a schematic view of the present invention in use,
figure 2 is a front view of the utility model of figure 1,
figure 3 is a top view of the utility model of figure 2,
figure 4 is a front view of the blade frame of figure 3,
figure 5 is a top view of the blade frame of figure 4,
figure 6 is a view a-a of figure 5,
figure 7 is a view a-a of the alternative embodiment of figure 5,
figure 8 is a schematic view of the state of figure 7 when the fixing bolt is screwed,
fig. 9 is a top view of the stop collar of fig. 7.
Wherein, 1 is the paddle frame, 101 is the roof paddle, 102 is the curb plate, 103 is the bottom plate, 2 is the pivot, 3 is the air guide rod, 4 is fixing bolt, 401 is the toper portion, 402 is the screw rod portion, 5 is the adjustment spout, 501 is spacing draw-in groove, 6 is lock nut, 7 is the stop collar, 701 is spacing lamella portion, 7011 is the fluting, 7012 is spacing jack catch, 702 is the sleeve pipe, 8 is wear-resisting packing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, the present invention includes a rotating shaft 2 and a plurality of groups of blade frames 1 disposed on the rotating shaft 2, wherein as shown in fig. 2, when viewed along an axial direction of the rotating shaft 2, each group of blade frames 1 are uniformly distributed along a circumferential direction of the rotating shaft 2, and as shown in fig. 3, any two adjacent groups of blade frames 1 on the rotating shaft 2 are disposed in a staggered manner, so that when two adjacent rotating shafts 2 rotate, the blade frames 1 on different rotating shafts 2 can rotate in a staggered manner, thereby achieving sufficient stirring.
As shown in fig. 4, the blade frame 1 includes side plates 102 on two sides and a top plate blade 101 connected to end portions of the side plates 102 on two sides, a lower fixing plate 103 is disposed at a lower end of the blade frame 1, an air guide rod 3 is disposed inside the blade frame 1, an upper end of the air guide rod 3 is connected to the top plate blade 101, and a lower end of the air guide rod is connected to the lower fixing plate 103. The utility model is used for stirring in an exhaust and discharge area in a partitioned fermentation device, and the blade frame 1 is internally provided with a plurality of air guide rods 3, so that methane mixed in materials can be quickly discharged, and the crusting and particle sinking on the surfaces of the materials are prevented.
As shown in fig. 5 to 9, the number and the density of the air guide rods 3 can be adjusted according to different materials, when the viscosity of the materials is relatively high, methane mixed in the materials is not easy to discharge, the number of the air guide rods 3 needs to be increased, such as chicken manure, and when the viscosity of the materials is relatively low, the number of the air guide rods 3, such as pig manure, can be reduced.
As shown in fig. 5, the top plate paddle 101 and the lower fixing plate 103 are both provided with an adjusting sliding groove 5, and the end of the air guide rod 3 is installed in the corresponding adjusting sliding groove 5 through a fixing bolt 4.
As shown in fig. 6, in an embodiment of the present invention, a locking nut 6 is sleeved at a lower end of the fixing bolt 4, the locking nut 6 and a nut of the fixing bolt 4 cooperate to clamp the top plate paddle 101 for fixing, the fixing bolt 4 is loosened by screwing the locking nut 6 downward, the fixing bolt 4 can move along the adjusting chute 5, and further the air guide rod 3 is driven to move to adjust the position, and when the fixing bolt 4 and the locking nut 6 are detached, the air guide rod 3 can be taken out from the paddle frame 1, so as to adjust the number of the air guide rods 3.
As shown in fig. 7 to 9, another embodiment of the utility model includes a fixing bolt 4 and a limiting sleeve 7, wherein the fixing bolt 4 includes a tapered portion 401 and a screw portion 402, the limiting sleeve 7 includes a limiting lobe portion 701 and a sleeve 702, the sleeve 702 is in threaded connection with the screw portion 402, the limiting lobe portion 701 is driven to open by a lower side inclined surface of the tapered portion 401, a limiting claw 7012 is disposed on each limiting lobe of the limiting lobe portion 701, a plurality of limiting grooves 501 are disposed on both sides of the adjusting chute 5, and when the limiting lobe portion 701 is opened, the limiting claws 7012 on both sides of the limiting lobe portion 701 are respectively clamped into the corresponding limiting grooves 501. This embodiment is mainly used for the great condition of stirring power, and stirring vibration is great this moment, only relies on lock nut 6 to easily take place the drunkenness.
As shown in fig. 7 to 9, the limiting jaw 7012 is hook-shaped, when the tapered portion 401 presses the limiting flap portion 701 downward, the front end of the limiting jaw 7012 abuts against the inner end of the limiting slot 501, so that the limiting is reliable and the movement along the adjusting chute 5 is avoided, the lower end of the screw portion 402 of the fixing bolt 4 is in threaded connection with the end portion of the air guide rod 3, the middle portion of the screw portion 402 is in threaded connection with the sleeve 702 of the limiting sleeve 7, and a tensioning force exists between each limiting flap of the limiting flap portion 701 and the tapered portion 401 when the fixing is performed, which further ensures that the end portion of the air guide rod 3 is reliable and reliable.
As shown in fig. 8, when the fixing bolt 4 is screwed upwards, the pressure applied to the limiting petal part 701 is gradually reduced until the pressure disappears, in this process, because the limiting claw 7012 is embedded in the limiting groove 501, the limiting sleeve 7 does not rotate with the fixing bolt 4 until the conical part 401 of the fixing bolt 4 is completely separated from the limiting petal part 701, at this time, the limiting claw 7012 stands and is separated from the limiting groove 501, the fixing bolt 4 can move along the adjusting chute 5 to adjust the position, and further, the air guide rod 3 is driven to move to adjust the position, and after the fixing bolt 4 is screwed upwards and separated from the air guide rod 3, the air guide rod 3 can be removed, so that the number of the air guide rods 3 is changed.
The limiting sleeve 7 can be made of alloy or memory metal and other materials, as shown in fig. 9, adjacent limiting lobes of the limiting lobe part 701 are separated through a slot 7011 to achieve opening and closing, each limiting lobe is provided with a limiting clamping jaw 7012, when the fixing bolt 4 is rotated downwards, the limiting sleeve 7 rotates along with the fixing bolt 4 at first until any limiting clamping jaw 7012 is embedded with a corresponding limiting clamping groove 501 to achieve limiting, the fixing bolt 4 is rotated continuously, the limiting sleeve 7 does not rotate any more due to limiting of the limiting clamping jaws 7012 and the limiting clamping grooves 501, and the conical part 401 of the fixing bolt 4 moves downwards to drive each limiting lobe of the limiting lobe part 701 to gradually open and tighten.
As shown in fig. 7 to 8, a wear-resistant washer 8 may be disposed between the end of the air guide rod 3 and the top plate paddle 101 or the lower fixing plate 103 to prevent the end of the air guide rod 3 from being worn by the corresponding plate when moving.
In addition, as shown in fig. 1, the partitioned fermentation device box body applied in the present invention can adopt a multi-section connection modular design, each partition corresponds to an independent section of box body, each section of box body is connected with each other through bolts in a sealing manner, each section of box body can be disassembled first during adjustment, and then an operator adjusts the air guide rods 33 from two sides of the box body in the exhaust and discharge area.
The working principle of the utility model is as follows:
the utility model is used for a partitioned stirring dry type anaerobic fermentation device, as shown in figure 1, a mixed acidification region, a fermentation biogas production region and an exhaust discharging region are separated from the device, the blade spacing of each region is different, the structure of each region is also different, and the utility model is used for the exhaust discharging region.
According to the utility model, the plurality of air guide rods 3 are arranged in the paddle frame 1, so that methane mixed in materials can be quickly discharged, the surface crusting and particle sinking of the materials can be prevented, the use requirements of the device partition design can be fully met, the number and the density of the air guide rods 3 can be adjusted according to the conditions of the materials and the like, the top plate paddle 101 and the lower fixing plate 103 are both provided with the adjusting chutes 5, the end parts of the air guide rods 3 are arranged in the corresponding adjusting chutes 5 through the fixing bolts 4, the fixing bolts 4 move along the adjusting chutes 5 to drive the air guide rods 3 to adjust the positions, and the fixing bolts 4 are separated from the air guide rods 3, so that the air guide rods 3 can be taken out of the paddle frame 1 to realize the number adjustment. The utility model can be independently installed on a fermentation device to realize independent use.
Claims (7)
1. The utility model provides an exhaust ejection of compact district stirring subassembly for subregion stirring dry-type anaerobic fermentation device which characterized in that: the novel propeller comprises a rotating shaft (2) and a plurality of groups of blade frames (1) arranged on the rotating shaft (2), wherein when viewed along the axial direction of the rotating shaft (2), the blade frames (1) are uniformly distributed along the circumferential direction of the rotating shaft (2), and when viewed along the radial direction of the rotating shaft (2), any two adjacent groups of blade frames (1) on the rotating shaft (2) are arranged in a staggered manner; the paddle frame (1) comprises side plates (102) on two sides and a top plate paddle (101) connected with the end portions of the side plates (102) on the two sides, a lower fixing plate (103) is arranged at the lower end of the paddle frame (1), an air guide rod (3) is arranged inside the paddle frame (1), the upper end of the air guide rod (3) is connected with the top plate paddle (101), and the lower end of the air guide rod is connected with the lower fixing plate (103).
2. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device of claim 1, wherein: all be equipped with adjustment spout (5) on roof paddle (101) and bottom plate (103), air guide rod (3) tip is installed in adjustment spout (5) that correspond through fixing bolt (4).
3. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device of claim 2, wherein: and a locking nut (6) is sleeved at the lower end of the fixing bolt (4), and the locking nut (6) and a nut of the fixing bolt (4) are matched to clamp the top plate paddle (101).
4. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device of claim 2, wherein: fixing bolt (4) outside cover is equipped with stop collar (7), fixing bolt (4) include toper portion (401) and screw rod portion (402), stop collar (7) are including spacing lamella portion (701) and sleeve pipe (702), just sleeve pipe (702) with screw rod portion (402) threaded connection, spacing lamella portion (701) are passed through toper portion (401) move down the drive and open, all be equipped with spacing jack catch (7012) on each spacing lamella of spacing lamella portion (701), adjustment spout (5) both sides all are equipped with a plurality of spacing draw-in grooves (501), just when spacing lamella portion (701) open, spacing jack catch (7012) of spacing lamella portion (701) both sides are blocked respectively in corresponding spacing draw-in groove (501).
5. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device according to claim 4, wherein: the limiting claw (7012) is hook-shaped.
6. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device according to claim 4, wherein: the adjacent limiting petals of the limiting petal parts (701) are separated by a slot (7011).
7. The exhaust gas discharge zone agitation assembly for a zoned agitation dry anaerobic fermentation device according to claim 4, wherein: and the end part of the air guide rod (3) is provided with a wear-resistant gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375801.4U CN216106900U (en) | 2021-09-29 | 2021-09-29 | Exhaust discharging area stirring assembly for partitioned stirring dry type anaerobic fermentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375801.4U CN216106900U (en) | 2021-09-29 | 2021-09-29 | Exhaust discharging area stirring assembly for partitioned stirring dry type anaerobic fermentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216106900U true CN216106900U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122375801.4U Active CN216106900U (en) | 2021-09-29 | 2021-09-29 | Exhaust discharging area stirring assembly for partitioned stirring dry type anaerobic fermentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216106900U (en) |
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2021
- 2021-09-29 CN CN202122375801.4U patent/CN216106900U/en active Active
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Denomination of utility model: Mixing component for exhaust discharge area of partition stirring dry anaerobic fermentation device Effective date of registration: 20230518 Granted publication date: 20220322 Pledgee: Shenyang SME financing Company Limited by Guarantee Pledgor: SHENYANG EVERBRIGHT ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2023210000107 |