Shell breaking stirrer for anaerobic fermentation

Abstract

The utility model discloses a shell breaking stirrer for anaerobic fermentation, which comprises a stirring main machine, the stirring main machine is arranged on a main machine support, the main machine support is arranged on the outer side of a fermentation tank body, the stirring main machine is connected with a stirring shaft, and the stirring shaft extends into the fermentation tank body. A plurality of groups of paddle structures with adjustable shell breaking positions are arranged on the stirring shaft in a staggered manner, each paddle structure comprises a supporting sleeve, the supporting sleeve is arranged on the stirring shaft, a supporting rod is movably arranged in the supporting sleeve, a stirring paddle capable of being quickly mounted is arranged at one end of the supporting rod, a longitudinal screw rod is rotationally arranged in the supporting sleeve, and the longitudinal screw rod is movably arranged in the supporting sleeve. According to the utility model, the height of each stirring blade can be adjusted according to the height of the liquid level in the fermentation tank body, the floating film crushing operation at different liquid levels can be met, and the stirring blades can be quickly mounted.

Description

Technical Field

[0001] The utility model relates to anaerobic fermentation, in particular to a shell-breaking mixer for anaerobic fermentation. Background Art

[0002] In anaerobic fermentation, since the hydrolysis rate of high-fiber materials in the raw materials is lower than the acid and methane production rates, the fiber solids and microbial flora tend to float up with the generated bubbles (biogas) to form a scum layer, which is separated from the slurry. The microorganisms further multiply on the scum layer to form a biofilm. Over time, the slurry and biofilm above the liquid surface shrink, harden, and form a hard crust in the anaerobic gas chamber. If this problem is not solved in time, the biogas production rate will be reduced, seriously affecting the normal operation of the anaerobic reactor. Generally, a shell-breaking mixer is used to stir and break the floating film.

[0003] The existing shell-breaking mixer cannot adjust the height of the stirring blade according to the height of the liquid level in the tank during use. The stirring blade is fixed in position and has limitations in use. The stirring blade installation operation is cumbersome and the stirring blade cannot be installed quickly. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a shell-breaking mixer for anaerobic fermentation, which solves the problem that the height of the stirring blade of the current shell-breaking mixer cannot be adjusted according to the height of the liquid level in the tank body during use, the installation position of the stirring blade is fixed, and there are limitations in use. At the same time, the installation operation of the stirring blade is cumbersome and the stirring blade cannot be installed quickly.

[0005] In order to solve the above technical problems, the utility model provides a shell breaking mixer for anaerobic fermentation, including a stirring main machine, the stirring main machine is arranged on a main machine bracket, the main machine bracket is arranged on the outside of the fermentation tank body, the stirring main machine is connected to the stirring shaft, the stirring shaft extends into the fermentation tank body, and a plurality of groups of paddle structures with adjustable shell breaking positions are staggered on the stirring shaft, the paddle structure includes a support sleeve, the support sleeve is arranged on the stirring shaft, a support rod is movably arranged in the support sleeve, a stirring blade that can be quickly installed is arranged at one end of the support rod, a longitudinal screw rod is rotatably arranged in the support sleeve, a nut is arranged on the longitudinal screw rod, and the nut is connected to the support rod.

[0006] Furthermore, a rotating shaft is arranged on the support sleeve, a first bevel gear is arranged on the rotating shaft, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is arranged on the longitudinal screw rod and can control the rotation of the longitudinal screw rod.

[0007] Furthermore, a knob is provided on the rotating shaft, and a positioning bolt is provided on the knob. The positioning bolt is connected to a threaded hole. The threaded hole is arranged in a ring shape on the support sleeve, and can control the rotation direction of the longitudinal screw rod and lock and fix the position of the rotating shaft.

[0008] Furthermore, a positioning sleeve is arranged on the stirring blade, the positioning sleeve is sleeved on the support rod, and a locking assembly for fixing the positioning sleeve is arranged on the support rod.

[0009] Furthermore, the locking assembly includes an adjusting screw, which is rotatably arranged in the middle of the support rod, and a central conical block is arranged on the adjusting screw, and the central conical block is fitted with a wedge block, and the wedge block is arranged on the push rod, and the push rod is movably arranged in a guide hole, and the guide hole is arranged on one side of the cavity, and the cavity is arranged in the support rod, and one end of the push rod is clamped in a locking groove, and the locking groove is arranged on the positioning sleeve, so as to quickly fix the positioning sleeve.

[0010] Furthermore, the support rod is also provided with a positioning plate, a positioning rod is provided on the positioning plate, the positioning rod is connected with the positioning groove, and the positioning groove is provided at the bottom of the positioning sleeve, so as to position and install the positioning sleeve.

[0011] Furthermore, one end of the stirring shaft is rotatably connected to a support column, and the support column is arranged in the fermentation tank body, thereby improving the stability of the stirring shaft during rotation.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model can adjust the height of each stirring blade, which can be adjusted according to the height of the liquid level in the fermentation tank to meet the floating film breaking operation at different liquid levels, thereby expanding the scope of use of the device.

[0014] 2. The utility model can quickly install the stirring blades, which is convenient to install and reduces the installation steps and installation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 for Figure 3 A partial enlarged structural diagram of the middle A part;

[0019] Figure 5 It is a schematic diagram of the front cross-sectional structure of the blade structure in the utility model;

[0020] Figure 6 for Figure 5 A schematic diagram of the partial enlarged structure of the middle B part;

[0021] Figure 7 for Figure 5 A schematic diagram of the partially enlarged structure of the middle C part;

[0022] Figure 8 for Figure 5 A schematic diagram of the partial enlarged structure of the middle D part;

[0023] In the figure: 1, stirring host, 2, blade structure, 3, support column, 4, stirring shaft, 5, fermentation tank body, 6, host bracket, 7, auxiliary pull rod, 201, longitudinal screw rod, 202, nut, 203, support sleeve, 204, support rod, 205, guide slider, 206, guide slide groove, 207, stirring blade, 208, first bevel gear, 209, rotating shaft, 210, knob, 211, second bevel gear, 212, adjusting screw, 213, cavity, 214, center cone block, 215, wedge block, 216, push rod, 217, positioning sleeve, 218, locking groove, 219, reset spring, 220, guide hole, 221, positioning plate, 222, positioning rod, 223, positioning groove. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the accompanying drawings in the embodiments of the utility model. All directional indications in the utility model (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] See also Figure 1-Figure 6 A shell-breaking mixer for anaerobic fermentation comprises a mixing host 1, the mixing host 1 is arranged on a host bracket 6, the host bracket 6 is arranged outside a fermentation tank body 5, the mixing host 1 is connected to a mixing shaft 4, the mixing shaft 4 extends into the fermentation tank body 5, a plurality of groups of paddle structures 2 with adjustable shell-breaking positions are staggered on the mixing shaft 4, the paddle structure 2 comprises a support sleeve 203, the support sleeve 203 is arranged on the mixing shaft 4, a support rod 204 is movably arranged in the support sleeve 203, a mixing blade 207 that can be quickly installed is arranged at one end of the support rod 204, a longitudinal screw rod 201 is rotatably arranged in the support sleeve 203, a nut 202 is arranged on the longitudinal screw rod 201, and the nut 202 is connected to the support rod 204.

[0026] A rotating shaft 209 is arranged on the support sleeve 203 , and a first bevel gear 208 is arranged on the rotating shaft 209 . The first bevel gear 208 is meshed with a second bevel gear 211 . The second bevel gear 211 is arranged on the longitudinal screw rod 201 . The longitudinal screw rod 201 can be controlled to rotate through the transmission of the first bevel gear 208 and the second bevel gear 211 .

[0027] A knob 210 is also provided on the rotating shaft 209 , and a positioning bolt is provided on the knob 210 . The positioning bolt is connected to a threaded hole, and the threaded hole is provided in a ring shape on the support sleeve 203 , which can control the rotation direction of the longitudinal screw rod 201 and lock the position of the rotating shaft 209 .

[0028] First, the stirring blade 207 is installed on the support rod 204, and then the height of the stirring blade 207 is adjusted according to the liquid level in the fermentation tank body 5, and the knob 210 is turned, and the knob 210 drives the rotating shaft 209 to rotate, and the rotating shaft 209 drives the first bevel gear 208 to rotate, and the first bevel gear 208 drives the second bevel gear 211 to rotate, and the second bevel gear 211 drives the longitudinal screw rod 201 to rotate, and the nut 202 drives the support rod 204 to move, and the movement of the support rod 204 drives the stirring blade 207 to move, and the height of the stirring blade 207 is adjusted, and then the stirring shaft 4 is driven to rotate by the stirring host 1, and the rotation of the stirring shaft 4 drives the stirring blade 207 to rotate, and the stirring blade 207 stirs and breaks the floating film.

[0029] Furthermore, a guide slider 205 is provided on the support rod 204, and the guide slider 205 is slidably set in a guide slot 206, and the guide slot 206 is set on the inner wall of the support sleeve 203. When the support rod 204 moves, it drives the guide slider 205 to move in the guide slot 206, thereby improving the stability of the support rod 204 when moving.

[0030] As a specific embodiment of this application, please refer to Figure 5 , Figure 7 and Figure 8 A positioning sleeve 217 is provided on the stirring blade 207, and the positioning sleeve 217 is sleeved on the support rod 204. A locking assembly for fixing the positioning sleeve 217 is provided on the support rod 204; the locking assembly includes an adjusting screw 212, which is rotatably arranged in the middle of the support rod 204, and a central conical block 214 is arranged on the adjusting screw 212, and the central conical block 214 is fitted with a wedge block 215, and the wedge block 215 is arranged on a push rod 216, and the push rod 216 is movably arranged in a guide hole 220, and the guide hole 220 is arranged on one side of the cavity 213, and the cavity 213 is arranged in the support rod 204, and one end of the push rod 216 is clamped in a locking groove 218, and the locking groove 218 is arranged on the positioning sleeve 217, so that the positioning sleeve 217 can be quickly fixed.

[0031] First, put the positioning sleeve 217 on the support rod 204, and then rotate the adjusting screw 212. The adjusting screw 212 rotates and moves, and the adjusting screw 212 drives the center conical block 214 to move. The center conical block 214 drives the wedge block 215 to move. The wedge block 215 drives the top rod 216 to move in the guide hole 220, and the top block is inserted into the locking groove 218, and then the positioning sleeve 217 is fixed on the support rod 204, completing the quick installation of the stirring blade 207.

[0032] Furthermore, a return spring 219 is also sleeved on the push rod 216. When the push rod 216 moves, the return spring 219 is compressed. The elastic force of the return spring 219 can drive the push rod 216 to return and move, thereby facilitating the separation of the push rod 216 from the locking groove 218 and facilitating the disassembly of the stirring blade 207.

[0033] Furthermore, the support rod 204 is also provided with a positioning plate 221, and a positioning rod 222 is provided on the positioning plate 221. The positioning rod 222 is connected with the positioning groove 223, and the positioning groove 223 is provided at the bottom of the positioning sleeve 217. When the positioning sleeve 217 is sleeved on the support rod 204, the positioning rod 222 is inserted into the positioning groove 223, so that the positioning sleeve 217 can be positioned and installed.

[0034] Furthermore, one end of the stirring shaft 4 is rotatably connected to the support column 3 , and the support column 3 is disposed in the fermentation tank body 5 , thereby improving the stability of the stirring shaft 4 during rotation.

[0035] Specifically, a plurality of auxiliary pull rods 7 are arranged in a ring shape on the support column 3 , which can improve the stability of the support column 3 during installation.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shell breaking mixer for anaerobic fermentation, It is characterized in that The invention comprises a stirring main machine (1), wherein the stirring main machine (1) is arranged on a main machine support (6), wherein the main machine support (6) is arranged outside a fermentation tank body (5), wherein the stirring main machine (1) is connected to a stirring shaft (4), wherein the stirring shaft (4) extends into the fermentation tank body (5), wherein a plurality of groups of blade structures (2) with adjustable shell breaking positions are arranged in an interlaced manner on the stirring shaft (4), wherein the blade structure (2) comprises a support sleeve (203), wherein the support sleeve (203) is arranged on the stirring shaft (4), wherein a support rod (204) is movably arranged in the support sleeve (203), wherein one end of the support rod (204) is arranged with a stirring blade (207) that can be quickly installed, wherein a longitudinal screw rod (201) is rotatably arranged in the support sleeve (203), wherein a nut (202) is arranged on the longitudinal screw rod (201), wherein the nut (202) is connected to the support rod (204).

2. The shell-breaking mixer for anaerobic fermentation according to claim 1, It is characterized in that A rotating shaft (209) is arranged on the supporting sleeve (203), a first bevel gear (208) is arranged on the rotating shaft (209), the first bevel gear (208) is meshed with a second bevel gear (211), and the second bevel gear (211) is arranged on the longitudinal screw rod (201).

3. The shell-breaking mixer for anaerobic fermentation according to claim 2, It is characterized in that A knob (210) is also provided on the rotating shaft (209), and a positioning bolt is provided on the knob (210). The positioning bolt is connected to a threaded hole, and the threaded hole is provided in an annular shape on the support sleeve (203).

4. The shell-breaking mixer for anaerobic fermentation according to claim 1, It is characterized in that A positioning sleeve (217) is arranged on the stirring blade (207), the positioning sleeve (217) is sleeved on the support rod (204), and a locking assembly for fixing the positioning sleeve (217) is arranged on the support rod (204).

5. The shell-breaking mixer for anaerobic fermentation according to claim 4, It is characterized in that The locking assembly comprises an adjusting screw (212), wherein the adjusting screw (212) is rotatably arranged in the middle of the support rod (204), a central conical block (214) is arranged on the adjusting screw (212), the central conical block (214) is fitted with a wedge block (215), the wedge block (215) is arranged on a push rod (216), the push rod (216) is movably arranged in a guide hole (220), the guide hole (220) is arranged on one side of a cavity (213), the cavity (213) is arranged in the support rod (204), one end of the push rod (216) is clamped in a locking groove (218), and the locking groove (218) is arranged on a positioning sleeve (217).

6. The shell-breaking mixer for anaerobic fermentation according to claim 5, It is characterized in that The support rod (204) is further provided with a positioning plate (221), a positioning rod (222) is provided on the positioning plate (221), the positioning rod (222) is matched and connected with a positioning groove (223), and the positioning groove (223) is provided at the bottom of the positioning sleeve (217).

7. The shell-breaking mixer for anaerobic fermentation according to any one of claims 1 to 6, It is characterized in that One end of the stirring shaft (4) is rotatably connected to a support column (3), and the support column (3) is arranged in a fermentation tank body (5).

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