CN215477773U - Wear-resisting formula marsh gas retort material conveying mechanism - Google Patents
Wear-resisting formula marsh gas retort material conveying mechanism Download PDFInfo
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- CN215477773U CN215477773U CN202121718013.4U CN202121718013U CN215477773U CN 215477773 U CN215477773 U CN 215477773U CN 202121718013 U CN202121718013 U CN 202121718013U CN 215477773 U CN215477773 U CN 215477773U
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Abstract
The invention discloses a wear-resistant material conveying mechanism of a biogas reaction tank, which relates to the field of biogas production and comprises a cylindrical shell and a conveying screw rod, wherein the cylindrical shell is obliquely arranged, and the conveying screw rod is arranged in the cylindrical shell; the cylindrical shell comprises an upper cylindrical shell and a lower cylindrical shell which are connected through a flange; the bottom opening of the cylindrical shell extends into the feed inlet of the biogas reaction tank; the top of the cylindrical shell is connected with the supporting and lubricating structure through a flange, a connecting shaft extends out of the top end of the conveying screw rod, and the connecting shaft penetrates through the flange and then is axially and radially supported on the supporting and lubricating structure; a speed reducer and a motor are arranged above the supporting and lubricating structure, and the connecting shaft is connected to the motor through the power of the speed reducer; the upper side surface of the upper cylindrical shell is provided with a feeding opening, and a feeding surrounding wall is vertically arranged on the feeding opening; a wear-resistant material is arranged between the cylindrical shell and the conveying screw, and the hardness of the wear-resistant material is greater than that of a rotating blade of the conveying screw. The invention can improve the transmission efficiency of materials.
Description
Technical Field
The invention relates to the field of biogas production, in particular to a wear-resistant material conveying mechanism for a biogas reaction tank.
Background
In a traditional biogas production system, a tank body for anaerobic reaction is generally a cylinder, materials, strains and the like are directly poured into the tank body through an opening at the top for mixed reaction in the reaction process, and the materials, the strains and the like are discharged through an opening at the bottom after three stages of anaerobic reaction. The strains in the three reaction stages of the anaerobic reaction have different requirements on the reaction temperature, and the strains can be inhibited mutually after being mixed, so the mixed reaction mode of the reaction tank has low efficiency.
The other novel feeding mode is that a feeding port is arranged at one end of the biogas reaction tank for feeding, so that materials are conveyed in the biogas reaction tank, and different reaction environments can be adopted at different stages of conveying. The feeding efficiency of this feeding form is not as high as that of the direct feeding from the top. Therefore, how to design the material conveying mechanism to ensure that the feeding efficiency is high enough and solve a series of technical problems in the design process becomes a problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a wear-resistant material conveying mechanism for a biogas reaction tank, so as to improve the feeding efficiency of the biogas reaction tank.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wear-resistant material conveying mechanism of a biogas reaction tank comprises a cylindrical shell and a conveying screw rod arranged in the cylindrical shell; the cylindrical shell comprises an upper cylindrical shell and a lower cylindrical shell, and the upper cylindrical shell and the lower cylindrical shell are detachably connected through a first flange;
the cylindrical shell is obliquely arranged and is supported on the platform through supporting legs; the bottom of the lower cylindrical shell is opened and extends into a feed inlet of the biogas reaction tank;
the top of the upper cylindrical shell is connected to the supporting and lubricating structure through a second flange, a connecting shaft extends out of the top end of the conveying screw rod, and the connecting shaft penetrates through the second flange and then is axially and radially supported on the supporting and lubricating structure; a speed reducer and a motor are arranged above the supporting and lubricating structure, and the connecting shaft is connected to the motor through the power of the speed reducer;
the upper side surface of the upper cylindrical shell is provided with a feeding opening, and a feeding surrounding wall is vertically arranged on the feeding opening;
a wear-resistant material is arranged between the cylindrical shell and the conveying screw, and the hardness of the wear-resistant material is greater than that of a rotating blade of the conveying screw.
A limiting rod extending inwards in the radial direction is arranged on the side wall of the inner top of the upper cylindrical shell; the top of the conveying screw is provided with a limiting piece which extends outwards along the radial direction; the limiting piece is limited above the limiting rod.
The supporting and lubricating structure comprises a hollow cylindrical supporting shell, and the supporting shell comprises a bottom circular plate, a top circular plate and a side wall plate; the bottom circular plate is connected with the second flange; the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder surrounding the connecting shaft is also arranged in the support shell, and the outer side wall of the fixed cylinder is fixed on the inner wall of the support shell through a support rod; the two ends of the fixed cylinder are provided with fixed flanges, and the fixed flanges are hermetically connected with the connecting shaft through oil seals;
a gap area is reserved between the fixed cylinder and the connecting shaft, a bushing fixed around the connecting shaft is arranged in the middle of the gap area, and the connecting shaft is axially and radially supported on the fixed cylinder through a tapered roller bearing at two ends of the bushing;
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder and the top of the side wall of the fixed cylinder; an oil filling port is arranged at the oil filling port; the oil injection interface positioned above is higher than the tapered roller bearing positioned above; the lower oiling interface is higher than the lower tapered roller bearing;
each oil filling interface is communicated with a straight-through type pressure filling oil cup arranged outside the support shell through an oil filling copper pipe.
The support shell is provided with a maintenance opening.
The tapered roller bearing comprises a roller bearing inner ring fixed on the connecting shaft through a bolt and a fastening nut, and a roller bearing outer ring fixed on the inner side surface of the fixed cylinder, wherein the roller bearing outer ring and the roller bearing inner ring are in rolling connection through a roller.
One surface of the roller bearing outer ring facing the connecting shaft is a first inclined surface, and one surface of the roller bearing inner ring facing the roller bearing outer ring is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush toward a normal line of the connecting shaft.
The straight-through type pressure injection oil cup is fixed on the outer surface of the supporting shell through a bracket.
The wear-resistant material is in a cylindrical configuration with a top opening, and the top opening is superposed with the feeding opening; the wear-resistant material and the cylindrical shell are fixed through a fastener.
The wear-resistant material and the upper cylindrical shell are fixed through a fastener.
Compared with the prior art, the invention has the advantages that:
1. the feeding direction of the cylindrical shell and the conveying screw rod is inclined downwards, so that the feeding efficiency can be improved by utilizing gravity.
2. The arranged wear-resistant material can prevent the conveying screw from generating wear damage to the cylindrical shell.
3. The cylindrical shell is in a detachable form, so that the wear-resistant material is replaceable, and the service life of the mechanism is prolonged.
4. The supporting and lubricating structure is specially arranged for the connecting shaft under the inclined condition, can fix the connecting shaft in the axial direction and the radial direction, and can utilize gravity to guide lubricating oil so that the lubricating effect is good.
5. The limiting rod can prevent the transmission screw from falling off in the inclined state.
Drawings
FIG. 1 is a side cross-sectional view of the mechanism of the present invention;
FIG. 2 is a side view of the mechanism of the present invention;
FIG. 3 is an enlarged view of circle B of FIG. 1;
fig. 4 is a top view of the mechanism of the present invention.
In the figure, 1, a lower cylindrical shell, 2, an upper cylindrical shell, 3, a first flange, 4, a feeding enclosing wall, 5, a conveying screw rod, 6, a supporting leg, 7, a motor, 8, a speed reducer, 9, a supporting and lubricating structure, 10, a second flange, 11, a connecting shaft, 12, a supporting shell, 13, a fixing cylinder, 14, a bushing, 15, a supporting rod, 16, a maintenance opening, 17, a fixing flange, 18, an oil seal, 19, a roller bearing inner ring, 20, a roller bearing outer ring, 21, a roller, 22, an oil filling interface, 23, a straight-through type pressure filling oil cup, 24 and a fastening nut.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the material conveying mechanism of a wear-resistant biogas reaction tank of the present invention comprises a cylindrical housing and a conveying screw 5 disposed in the cylindrical housing; the cylindrical shell comprises an upper cylindrical shell 2 and a lower cylindrical shell 1, and the upper cylindrical shell 2 is detachably connected with the lower cylindrical shell 1 through a first flange 3;
the cylindrical shell is obliquely arranged and is supported on the platform through support legs 6; the bottom of the lower cylindrical shell 1 is opened and extends into a feed inlet of the biogas reaction tank;
the top of the upper cylindrical shell 2 is connected to a supporting and lubricating structure 9 through a second flange 10, a connecting shaft 11 extends from the top end of the conveying screw 5, and the connecting shaft 11 penetrates through the second flange 10 and then is axially and radially supported on the supporting and lubricating structure 9; a speed reducer 8 and a motor 7 are arranged above the supporting and lubricating structure 9, and the connecting shaft 11 is in power connection with the motor 7 through the speed reducer 8;
the upper side surface of the upper cylindrical shell 2 is provided with a feeding opening, and a feeding surrounding wall 4 is vertically arranged on the feeding opening;
a wear-resistant material is provided between the cylindrical casing and the conveyor screw 5, and the hardness of the wear-resistant material is greater than that of the rotating blades of the conveyor screw 5.
A limiting rod extending inwards in the radial direction is arranged on the side wall of the inner top of the upper cylindrical shell 2; the top of the conveying screw 5 is provided with a limiting piece which extends outwards along the radial direction; the limiting piece is limited above the limiting rod.
The supporting and lubricating structure 9 comprises a hollow cylindrical supporting shell 12, and the supporting shell 12 comprises a bottom circular plate, a top circular plate and a side wall plate; the bottom circular plate is connected to the second flange 10; the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft 11 penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder 13 surrounding the connecting shaft 11 is also arranged in the supporting shell 12, and the outer side wall of the fixed cylinder 13 is fixed on the inner wall of the supporting shell 12 through a supporting rod 15; the two ends of the fixed cylinder 13 are both provided with fixed flanges 17, and the fixed flanges 17 are hermetically connected with the connecting shaft 11 through oil seals 18;
a gap area is reserved between the fixed cylinder 13 and the connecting shaft 11, a bushing 14 fixed on the connecting shaft 11 in a surrounding mode is arranged in the middle of the gap area, and the connecting shaft 11 is axially and radially supported on the fixed cylinder 13 at two ends of the bushing 14 through tapered roller bearings;
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder 13 and the top of the side wall of the fixed cylinder 13; an oil filling port 22 is arranged at the oil filling port; the oil filling interface 22 positioned above is higher than the tapered roller bearing positioned above; the lower oil filling interface 22 is higher than the lower tapered roller bearing;
each oil filling connector 22 is communicated with a straight-through type pressure filling oil cup 23 arranged outside the support shell 12 through an oil filling copper pipe.
The support housing 12 defines a service opening 16.
The tapered roller bearing comprises a roller bearing inner ring 19 fixed on the connecting shaft 11 through bolts and fastening nuts 24, and a roller bearing outer ring 20 fixed on the inner side surface of the fixed cylinder 13, wherein the roller bearing outer ring 20 and the roller bearing inner ring 19 are in rolling connection through rollers 21.
One surface of the roller bearing outer ring 20 facing the connecting shaft 11 is a first inclined surface, and one surface of the roller bearing inner ring 19 facing the roller bearing outer ring 20 is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush 14 toward the normal line of the connecting shaft 11.
The straight-through type pressure filling oil cup 23 is fixed on the outer surface of the supporting shell 12 through a bracket.
The wear-resistant material is in a cylindrical configuration with a top opening, and the top opening is superposed with the feeding opening; the wear-resistant material and the cylindrical shell are fixed through a fastener.
The wear-resistant material and the upper cylindrical shell 2 are fixed through a fastener.
When the biogas reaction tank is used, the biogas reaction tank is fixed on a platform through the supporting legs 6 (steps matched with the supporting legs 6 in height can be arranged on the platform), the cylindrical shell is obliquely arranged, and the bottom of the cylindrical shell extends into a feeding port of the biogas reaction tank. The motor 7 is turned on, the materials are poured into the feeding opening through the feeding enclosing wall 4, the connecting shaft 11 can be driven through the motor 7 and the speed reducer 8, the conveying screw 5 is further driven to rotate, and the conveying screw 5 can drive the materials to advance towards the feeding opening of the biogas reaction tank until the materials are input into the feeding opening; in the conveying process, because the conveying screw 5 is obliquely arranged, the materials can more quickly and more smoothly enter the feeding port under the action of gravity, but due to the oblique arrangement mode, if no protective measures are taken, the conveying screw 5 easily generates friction damage to the cylindrical shell, and therefore wear-resistant materials are arranged between the cylindrical shell and the conveying screw 5. After a period of time, if the wear-resistant material needs to be replaced, the upper cylindrical shell 2 and the lower cylindrical shell 1 can be separated by detaching the first flange 3, and at this time, the other structures of the present invention except the lower cylindrical shell 1 can be completely extracted from the lower cylindrical shell 1, and the wear-resistant material is extracted accordingly. And then the fastening piece between the wear-resistant material and the upper cylindrical shell 2 is disassembled, the wear-resistant material is drawn out, and then a new wear-resistant material is put in. In addition, the cooperation of the limiting sheet and the limiting rod can prevent the conveying screw 5 from falling off. The stopper rod may be in a form of penetrating the cylindrical housing and being fixed with a fastener, and thus may be in a detachable form.
As for the supporting and lubricating structure 9 for supporting and lubricating the connecting shaft 11, the connecting shaft 11 and the bushing 14 are fixed to each other during use. The bush 14 is disposed between two roller bearing inner rings 19, the two roller bearing inner rings 19 are also fixed to the connecting shaft 11 (the roller bearing inner rings 19 may also be directly fixed to the bush 14), and the roller bearing outer rings 20 and the rollers 21 exert axial and radial forces on the roller bearing inner rings 19, so that the connecting shaft 11 is fixed in both axial and radial directions. The two straight-through pressure filling oil cups 23 are filled with oil, so that the tapered roller bearing located above and the tapered roller bearing located below can be filled with lubricating oil respectively. The oil seals 18 provided at both ends can prevent the outflow of the injected oil. The interior defective components can be repaired or replaced through the repair opening 16.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The wear-resistant material conveying mechanism for the biogas reaction tank is characterized by comprising a cylindrical shell and a conveying screw (5) arranged in the cylindrical shell; the cylindrical shell comprises an upper cylindrical shell (2) and a lower cylindrical shell (1), and the upper cylindrical shell (2) is detachably connected with the lower cylindrical shell (1) through a first flange (3);
the cylindrical shell is obliquely arranged and is supported on the platform through support legs (6); the bottom of the lower cylindrical shell (1) is opened and extends into a feed inlet of the biogas reaction tank;
the top of the upper cylindrical shell (2) is connected with a supporting and lubricating structure (9) through a second flange (10), a connecting shaft (11) extends out of the top end of the conveying screw (5), and the connecting shaft (11) penetrates through the second flange (10) and then is axially and radially supported on the supporting and lubricating structure (9); a speed reducer (8) and a motor (7) are arranged above the supporting and lubricating structure (9), and the connecting shaft (11) is in power connection with the motor (7) through the speed reducer (8);
a feeding opening is formed in the upper side face of the upper cylindrical shell (2), and a feeding surrounding wall (4) is vertically arranged on the feeding opening;
a wear-resistant material is arranged between the cylindrical shell and the conveying screw (5), and the hardness of the wear-resistant material is greater than that of a rotating blade of the conveying screw (5).
2. The wear-resistant material conveying mechanism for the biogas reaction tank as recited in claim 1, wherein a limiting rod extending radially inwards is arranged on the side wall of the inner top of the upper cylindrical shell (2); the top of the conveying screw rod (5) is provided with a limiting piece extending outwards along the radial direction; the limiting piece is limited above the limiting rod.
3. The wear-resistant biogas reaction tank material conveying mechanism according to claim 1, characterized in that the supporting and lubricating structure (9) comprises a hollow cylindrical supporting housing (12), the supporting housing (12) comprising a bottom circular plate, a top circular plate and a side wall plate; the bottom circular plate is connected to the second flange (10); the center of the bottom circular plate is provided with a shaft inlet, and the center of the top circular plate is provided with a shaft outlet; the connecting shaft (11) penetrates through the shaft inlet and then penetrates out of the shaft outlet;
a fixed cylinder (13) surrounding the connecting shaft (11) is further arranged in the supporting shell (12), and the outer side wall of the fixed cylinder (13) is fixed on the inner wall of the supporting shell (12) through a supporting rod (15); fixing flanges (17) are arranged at two ends of the fixing cylinder (13), and the fixing flanges (17) are connected with the connecting shaft (11) in a sealing mode through oil seals (18);
a gap area is reserved between the fixed cylinder (13) and the connecting shaft (11), a bushing (14) which is fixed on the connecting shaft (11) in a surrounding mode is arranged in the middle of the gap area, and the connecting shaft (11) is axially and radially supported on the fixed cylinder (13) through tapered roller bearings at two ends of the bushing (14);
oil injection ports penetrate through the middle part of the side wall of the fixed cylinder (13) and the top of the side wall of the fixed cylinder (13); an oil filling port (22) is arranged at the oil filling port; the oil filling interface (22) positioned above is higher than the tapered roller bearing positioned above; the lower oil filling interface (22) is higher than the lower tapered roller bearing;
each oil filling connector (22) is communicated with a straight-through type pressure filling oil cup (23) arranged outside the support shell (12) through an oil filling copper pipe.
4. The wear-resistant material conveying mechanism for the biogas reaction tank as recited in claim 3, characterized in that the support housing (12) is provided with a maintenance opening (16).
5. The wear-resistant material conveying mechanism for the biogas reaction tank is characterized in that the tapered roller bearing comprises a roller bearing inner ring (19) fixed on the connecting shaft (11) through a bolt and a fastening nut (24), and a roller bearing outer ring (20) fixed on the inner side surface of the fixed cylinder (13), wherein the roller bearing outer ring (20) is in rolling connection with the roller bearing inner ring (19) through a roller (21).
6. The wear-resistant material conveying mechanism for the biogas reaction tank is characterized in that one surface, facing the connecting shaft (11), of the roller bearing outer ring (20) is a first inclined surface, and one surface, facing the roller bearing outer ring (20), of the roller bearing inner ring (19) is a second inclined surface parallel to the first inclined surface; the first inclined surface is inclined toward the bush (14) toward a normal line of the connecting shaft (11).
7. The wear-resistant material conveying mechanism for the biogas reaction tank as recited in claim 3, wherein the straight-through type pressure injection oil cup (23) is fixed on the outer surface of the support shell (12) through a bracket.
8. The wear-resistant material conveying mechanism for the biogas reaction tank according to claim 1, wherein the wear-resistant material is of a cylindrical configuration provided with a top opening, and the top opening coincides with the feeding opening; the wear-resistant material and the cylindrical shell are fixed through a fastener.
9. The wear-resistant material conveying mechanism for the biogas reaction tank as recited in claim 8, wherein the wear-resistant material is fixed with the upper cylindrical shell (2) by a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121718013.4U CN215477773U (en) | 2021-07-27 | 2021-07-27 | Wear-resisting formula marsh gas retort material conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121718013.4U CN215477773U (en) | 2021-07-27 | 2021-07-27 | Wear-resisting formula marsh gas retort material conveying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215477773U true CN215477773U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121718013.4U Active CN215477773U (en) | 2021-07-27 | 2021-07-27 | Wear-resisting formula marsh gas retort material conveying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215477773U (en) |
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2021
- 2021-07-27 CN CN202121718013.4U patent/CN215477773U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: Room 211, 2nd Floor, 101, 2nd Floor, Building 2, No. 1 Courtyard, Jiaodao West Street, Doudian Town, Fangshan District, Beijing, 102400 Patentee after: BIO New Energy Technology Co.,Ltd. Address before: Room 603, building e, No. 666, shengxia Road, Pudong New Area, Shanghai 201203 Patentee before: Bio energy (Shanghai) Co.,Ltd. |
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| TR01 | Transfer of patent right |