CN112481091A

CN112481091A - Mechanical stirring ventilation fermentation tank for citric acid yeast fermentation

Info

Publication number: CN112481091A
Application number: CN202011329046.XA
Authority: CN
Inventors: 李恒
Original assignee: Xishuangbanna Haochu Trading Co ltd
Current assignee: Xishuangbanna Haochu Trading Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-03-12

Abstract

The invention discloses a mechanical stirring ventilation fermentation tank for fermenting citric acid yeast, which structurally comprises a fermentation tank, a sealing cover, a liquid feeding pipe, an air inlet pipe, an air dispersing pipe, a support frame and a discharge valve, wherein the top end of the fermentation tank is in interference fit with the sealing cover, the liquid feeding pipe is fixed on the left side and the right side of the sealing cover, the air inlet pipe is welded with the surface of the front end of the fermentation tank, the left side and the right side of the fermentation tank are connected with the air dispersing pipe through flanges, the support frame is welded with the bottom of the fermentation tank, the discharge valve is fixed in the central position of the support frame and is in clearance fit with the support frame, the fermentation tank comprises a ventilation protection plate, a transmission machine, a stirring rod, an auxiliary rotating frame and a containing groove, a cleaning ring in the ventilation protection plate is blown by wind power to rotate and move downwards, an extrusion rod is stretched back and forth under the action of rotation in the, the problem of screen cloth blockage connected with the air diffusing pipe on the inner wall is effectively avoided.

Description

Mechanical stirring ventilation fermentation tank for citric acid yeast fermentation

Technical Field

The invention relates to the field of a mechanical stirring ventilation fermentation tank, in particular to a mechanical stirring ventilation fermentation tank for fermenting citric acid yeast.

Background

The ventilated mechanical stirring fermentation tank is one of the fermentation tank types commonly used in fermentation factories, and is beneficial to fully mixing air and fermentation liquor together by utilizing the mechanical stirring effect to promote oxygen to be dissolved in the fermentation liquor so as to ensure that the oxygen required by microbial fermentation is provided;

however, the prior art has the following defects: at present mechanical stirring ventilation fermentation cylinder of citric acid yeast fermentation, because Aspergillus niger need produce acid when the temperature of adaptation, the ventilation system adopts the STREAMING form to ventilate the oxygen suppliment, but can form white crystalline powder or white granule after the citric acid output, then can drift because of the blowing of ventilation system, adhere to on ventilation opening screen or the jar wall, cause on the ventilation screen can be piled up the jam by its powder, lead to the decline of ventilation effect, and then the high temperature can lead to the thalli to breed in a large number, the sugar is consumed so that produces acid and reduces in a large number.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a mechanical stirring ventilation fermentation tank for citric acid yeast fermentation, and the problem that in the prior art, as aspergillus niger needs to produce acid at an adaptive temperature, a ventilation system adopts a convection mode to ventilate and supply oxygen, but white crystalline powder or white particles are formed after citric acid is produced, the white crystalline powder or the white particles float due to the blowing of the ventilation system and adhere to a ventilation screen or a tank wall, so that the ventilation screen is piled up and blocked by the powder, the ventilation effect is reduced, the thalli are propagated in large quantity due to overhigh temperature, and the acid production is reduced due to large consumption of sugar.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a mechanical stirring ventilation fermentation cylinder of citric acid yeast fermentation, its structure includes fermentation cylinder, sealed lid, liquid feeding pipe, intake pipe, scattered trachea, support frame, bleeder valve, fermentation cylinder top and sealed lid interference fit, the left and right sides at sealed lid is fixed to the liquid feeding pipe, intake pipe and fermentation cylinder front end surface welded connection, the fermentation cylinder left and right sides and scattered trachea flange joint, support frame and fermentation cylinder bottom welded connection, the bleeder valve is fixed in support frame central point and is put, rather than clearance fit, the fermentation cylinder is including ventilation backplate, transmission, stirring rod, supplementary revolving rack, accomodate the groove, ventilation backplate and stirring rod surface clearance fit, stir rod top and transmission machine threaded connection, stir the terminal and supplementary revolving rack clearance fit of rod, accomodate groove and ventilation backplate bottom clearance fit.

The invention is further improved, the ventilation guard plate comprises an air inlet, a reset spring, a pull rope, three cleaning rings and a circulating outlet, the air inlet is fixed at the upper end of the reset spring and is in clearance fit with the reset spring, the center of the reset spring is movably matched with the tail end of the pull rope, the pull rope is fixedly embedded with the center of the cleaning ring, the cleaning rings are in clearance fit with the surface of the circulating outlet, and the cleaning rings are fixed through the pull rope and are driven by the internal wind power to rotate and displace.

The cleaning ring is further improved, the cleaning ring comprises a pressed strip, extrusion rods, fixing rings, guide rails and rod sleeves, the pressed strip is fixedly embedded and connected with the outer walls of the guide rails, the guide rails are in interference fit with the interior of the rod sleeves, the rod sleeves are integrally embedded and connected with the extrusion rods, the tail ends of the extrusion rods are welded and connected with the surfaces of the fixing rings, the number of the extrusion rods is three, the tail ends of the extrusion rods are welded and connected with the surfaces of the fixing rings, and the front ends of the extrusion rods are integrally embedded and connected with the interior of the rod.

The invention is further improved, the compression strip comprises a pulley, a silica gel strip, cleaning brushes, anti-collision blocks and a spring plate, the pulley is connected with the inside of the silica gel strip in a nested manner, the outer surface of the silica gel strip is movably matched with the spring plate, the anti-collision blocks are movably clamped with the left side and the right side of the spring plate, the cleaning brushes are hard brushes, each anti-collision block is directly provided with a group of cleaning brushes, and the pulley is impacted to drive the anti-collision blocks to displace and be in interference fit with the wall surface of the anti-collision blocks.

The invention is further improved, the containing groove comprises a guide groove, a fixture block, a movable rod, a fixed rod and a collecting bin, the guide groove is movably matched with the outer wall of the fixture block, the fixture block is connected with the upper surface of the movable rod in a clamping mode, the bottom surface of the movable rod is fixedly embedded in the fixed rod, the lower end of the fixed rod is in clearance fit with the collecting bin, the collecting bin is in clearance fit with the bottom end of the guide groove, the upper surface of the fixture block is in a wavy shape and made of stainless steel, citric acid is prevented from being attached to the surface of the fixture block, and the lower end of the fixture.

The invention is further improved, the movable rod comprises a clamping groove, a stress bearing groove, a swing rod, a stress spring and a connecting rod, the clamping groove is fixedly connected with the left side of the stress bearing groove in an embedded mode, the stress bearing groove is fixedly connected with the upper surface of the right side of the swing rod in an embedded mode, the left side of the stress spring is connected with the connecting rod in a welded mode, the connecting rod is hinged to the left side of the swing rod, the stress spring is fixed to the lower end of the clamping groove and in clearance fit with the clamping groove, the stress bearing groove is integrally arc-shaped in end face, citric acid is collected, and the stress spring is pressed to generate displacement after certain weight is achieved.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects;

1. according to the invention, the cleaning ring in the ventilation guard plate rotates and moves downwards under the blowing of wind power, and the extrusion rod stretches back and forth under the action of the rotation in the moving process to impact the pressed strip, so that the cleaning brush is attached to the inner wall for cleaning after being impacted, and the problem of screen blockage on the inner wall and connected with the air diffusing pipe is effectively avoided.

2. The citric acid crystals and the powder falling from the guide groove are collected and accumulated on the surface of the stress bearing groove, when the stress spring cannot bear the weight of the stress spring after reaching a certain weight, the swing rod is pressed downwards to obliquely fall the collected crystals and the powder into the collection bin, and when the stress spring releases the force, the swing rod is supported again, so that the citric acid crystals and the powder are effectively collected, and the cleaned crystal powder is prevented from falling into circulation.

Drawings

FIG. 1 is a schematic structural diagram of a mechanical agitation ventilation fermentation tank for citric acid yeast fermentation according to the present invention.

FIG. 2 is a schematic view showing the internal structure of a fermenter according to the present invention.

Fig. 3 is a schematic view of the internal structure of the ventilation guard plate of the present invention.

FIG. 4 is a schematic top view of the cleaning ring of the present invention.

Fig. 5 is a schematic view of the internal structure of the pressed strip of the present invention.

FIG. 6 is a schematic view of the inner structure of the receiving groove of the present invention.

Fig. 7 is a schematic view of the unfolding structure of the movable rod of the present invention.

In the figure: fermentation tank-1, sealing cover-2, liquid feeding pipe-3, air inlet pipe-4, air dispersing pipe-5, support frame-6, discharge valve-7, ventilation guard plate-11, transmission machine-12, stirring rod-13, auxiliary rotating frame-14, accommodating groove-15, air inlet-111, reset spring-112, pull rope-113, cleaning ring-114, circulating outlet-115, pressed strip-a 1, extrusion rod-a 2, fixing ring-a 3, guide rail-a 4, rod sleeve-a 5, pulley-a 11, silica gel strip-a 12, cleaning brush-a 13, anti-collision block-a 14, elastic sheet-a 15, guide groove-151, clamping block-152, movable rod-153, fixing rod-154, collection bin-155, clamping groove-b 1, cleaning brush-a 13, anti-a 14, elastic sheet-a 15, guide groove-151, clamping block-152, movable rod-153, fixing, A stress loading groove-b 2, a swing rod-b 3, a stress spring-b 4 and a connecting rod-b 5.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example 1

As shown in figures 1 to 5:

the structure comprises a fermentation tank 1, a sealing cover 2, a liquid feeding pipe 3, an air inlet pipe 4, an air dispersing pipe 5, a supporting frame 6 and a discharge valve 7, the top end of the fermentation tank 1 is in interference fit with the sealing cover 2, the liquid feeding pipes 3 are fixed at the left side and the right side of the sealing cover 2, the air inlet pipe 4 is welded with the front end surface of the fermentation tank 1, the left side and the right side of the fermentation tank 1 are connected with the air dispersing pipe 5 by flanges, the support frame 6 is welded with the bottom of the fermentation tank 1, the discharge valve 7 is fixed at the central position of the support frame 6, in clearance fit with the fermentation tank, the fermentation tank 1 comprises a ventilation guard plate 11, a transmission machine 12, a stirring rod 13, an auxiliary rotating frame 14 and a containing groove 15, the surface of the ventilation guard plate 11 is in clearance fit with the surface of the stirring rod 13, the top of the stirring rod 13 is in threaded connection with the transmission machine 12, the tail end of the stirring rod 13 is movably matched with the auxiliary rotating frame 14, and the accommodating groove 15 is in clearance fit with the bottom of the ventilation guard plate 11.

The ventilation protection plate 11 comprises an air inlet 111, a reset spring 112, a pull rope 113, a cleaning ring 114 and a circulation outlet 115, wherein the air inlet 111 is fixed at the upper end of the reset spring 112 and is in clearance fit with the upper end of the reset spring, the center of the reset spring 112 is in movable fit with the tail end of the pull rope 113, the pull rope 113 is fixedly embedded with the center of the cleaning ring 114, the cleaning ring 114 is in clearance fit with the surface of the circulation outlet 115, the number of the cleaning rings 114 is three, the cleaning rings 114 are fixed through the pull rope 113 and are driven by internal wind power to rotate and displace, and the reset spring 112 is beneficial to being capable of resetting and contracting as a measuring ruler when the bottommost end is pulled down and bringing the bottommost end to.

The cleaning ring 114 comprises a pressed strip a1, a pressing rod a2, a fixing ring a3, a guide rail a4 and a rod sleeve a5, the pressed strip a1 is fixedly embedded in the outer wall of the guide rail a4, the guide rail a4 is in interference fit with the inside of the rod sleeve a5, the rod sleeve a5 is integrally nested and connected with the pressing rod a2, the tail end of the pressing rod a2 is welded and connected with the surface of the fixing ring a3, three ends of the pressing rod a2 are welded and connected with the surface of the fixing ring a3, and the front end of the pressing rod a2 is integrally nested and connected inside the rod sleeve a5, wherein the pressing rod a2 is beneficial to being driven to extend back and forth, so that the pressed strip a1 is impacted to further move.

The pressed strip a1 comprises a pulley a11, a silica gel strip a12, a cleaning brush a13, an anti-collision block a14 and a spring plate a15, the pulley a11 is connected with the silica gel strip a12 in a nested manner, the outer surface of the silica gel strip a12 is movably matched with the spring plate a15, the anti-collision block a14 is movably clamped with the left side and the right side of the spring plate a15, the cleaning brush a13 adopts a hard brush, each anti-collision block a14 is directly provided with a group of cleaning brushes a13, the pulley a11 is impacted to drive the displacement to be in interference fit with the wall surface of the cleaning brush a15, and the silica gel strip a12 is favorable for extruding the spring plate a15 to displace after being impacted under the fit of the pulley a11, so that the cleaning brush a13 is fitted with.

The specific working principle is as follows:

the invention adds citric acid fermentation raw material into a fermentation tank 1, then covers a sealing cover 2, adds proportioned culture solution through a liquid adding pipe 3, connects an air inlet pipe 4 with a wind mill to realize internal ventilation, then opens a transmission machine 12 to drive a stirring rod 13 to stir the internal fermentation raw material, in the process, the raw material is rapidly fermented into citric acid through the wind power matching with the stirring rod 13 to generate white crystals and powder, enters the ventilation guard plate 11 from an air inlet 11 under the drive of breeze to be attached to the surface of a screen mesh of a radiating pipe 5, but the cleaning ring 114 moves up and down and rotates under the drive of the wind power to ensure that the cleaning ring is matched with a stretching ring 113 to move downwards, so that a fixing ring 3 is matched with the wind power to drive an extrusion rod a2 to rotate so as to throw the cleaning ring out the cleaning ring, the inside of a rod sleeve a5 impacts a pressed strip a1, a pressed strip a1 is pushed by the extrusion rod a2, and then a11 slides outwards, so that the silica gel strip a12 is squeezed and the elastic sheet a15 is squeezed to trigger the cleaning brush a13 to move outwards and to be in interference fit with the inner wall of the cleaning brush, and the surface of the cleaning brush is cleaned and brushed away by moving upwards and downwards, the cleaning ring 114 in the ventilation protection plate 11 is blown by wind to rotate and move downwards, the squeezing rod a2 is stretched back and forth under the rotating action in the moving process to impact the pressed strip a1, so that the cleaning brush a13 is attached to the inner wall to clean after being impacted, and the problem of screen blockage on the inner wall and connected with the air diffusing pipe 5 is effectively avoided.

Example 2:

as shown in fig. 6 to 7:

wherein, it includes guiding groove 151, fixture block 152, movable rod 153, dead lever 154, collects storehouse 155 to accomodate groove 15, guiding groove 151 and fixture block 152 outer wall clearance fit, fixture block 152 is connected with movable rod 153 upper surface block, movable rod 153 bottom surface is connected with dead lever 154 inlays admittedly, dead lever 154 lower extreme and collection storehouse 155 clearance fit are collected, collect storehouse 155 and guiding groove 151 bottom clearance fit, fixture block 152 upper surface is the wave shape, adopts the stainless steel to make, prevents that citric acid from adhering to on its surface, and the lower extreme cooperates rather than movable rod 153, and wherein movable rod 153 is favorable to batching to bear the weight of citric acid crystal, powder and collects.

The movable rod 153 comprises a clamping groove b1, a stress carrying groove b2, a swing rod b3, a stress spring b4 and a connecting rod b5, the clamping groove b1 is fixedly connected with the left side of the stress carrying groove b2, the stress carrying groove b2 is fixedly connected with the upper surface of the right side of the swing rod b3 in an embedded mode, the left side of the stress spring b4 is connected with the connecting rod b5 in a welded mode, the connecting rod b5 is connected with the left side of the swing rod b3 in an articulated mode, the stress spring b4 is fixed at the lower end of the clamping groove b1 and in clearance fit with the clamping groove b1, the stress carrying groove b2 is integrally in an arc-shaped end face and is used for collecting citric acid, but the stress spring b4 is pressed to generate displacement after a certain weight is reached, and the stress spring b4 is favorable for generating displacement and stretching after the stress carrying groove b2 reaches a certain weight so as to expand the swing rod b 3.

The specific working principle is as follows:

the citric acid crystals and powder falling from the free falling body after being cleaned are collected, the citric acid crystals and powder fall on the stress bearing groove b2 of the movable rod 153 after entering from the guide groove 151 after falling, the swing rod b3 can be obliquely fallen down to the inside of the collection bin 155 for collecting the citric acid crystals and powder accumulated on the stress bearing groove b2 due to the weight after the stress bearing groove b2 reaches a certain weight, the displacement is generated so that the swing rod b4 cannot bear the weight, the clamping block b3 is pressed down, the citric acid crystals and powder accumulated on the stress bearing groove b2 are obliquely fallen down to the inside of the collection bin 155, the clamping block b1 extrudes the clamping block 152 upwards after the stress bearing groove is relieved so that the movable rod 153 is reset, and the sectional collection effect is realized The powder falls down obliquely and enters the collection bin 155, when the stress spring b4 releases the force, the swing rod b3 is supported again, so that the citric acid crystal and the powder are effectively collected, and the cleaned crystal powder is prevented from falling into circulation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mechanical stirring ventilation fermentation cylinder of citric acid yeast fermentation, its structure includes fermentation cylinder (1), sealed lid (2), liquid feeding pipe (3), intake pipe (4), scattered trachea (5), support frame (6), bleeder valve (7), fermentation cylinder (1) top and sealed lid (2) interference fit, the left and right sides at sealed lid (2) is fixed in liquid feeding pipe (3), intake pipe (4) and fermentation cylinder (1) front end surface welded connection, fermentation cylinder (1) left and right sides and scattered trachea (5) flange joint, support frame (6) and fermentation cylinder (1) bottom welded connection, bleeder valve (7) are fixed in support frame (6) central point and are put, rather than clearance fit, its characterized in that:

fermentation cylinder (1) is including ventilation backplate (11), driving machine (12), stirring rod (13), supplementary revolving rack (14), accomodate groove (15), ventilation backplate (11) and stirring rod (13) surface clearance fit, stirring rod (13) top and driving machine (12) threaded connection, stirring rod (13) end and supplementary revolving rack (14) clearance fit, accomodate groove (15) and ventilation backplate (11) bottom clearance fit.

2. The mechanical agitation and aeration fermenter for yeast fermentation of citric acid according to claim 1, wherein: the ventilation protection plate (11) comprises an air inlet (111), a reset spring (112), a pull rope (113), a cleaning ring (114) and a circulation outlet (115), wherein the air inlet (111) is fixed at the upper end of the reset spring (112) and is in clearance fit with the reset spring, the center of the reset spring (112) is in clearance fit with the tail end of the pull rope (113), the pull rope (113) is fixedly embedded in the center of the cleaning ring (114), and the surface of the cleaning ring (114) is in clearance fit with the surface of the circulation outlet (115).

3. The mechanical agitation and aeration fermenter for yeast fermentation of citric acid according to claim 2, wherein: clearance ring (114) are including receiving layering (a1), extrusion stem (a2), solid fixed ring (a3), guide rail (a4), pole cover (a5), receive layering (a1) and guide rail (a4) outer wall embedded and be connected, guide rail (a4) and pole cover (a5) inside interference fit, pole cover (a5) and extrusion stem (a2) whole nested connection, extrusion stem (a2) end and solid fixed ring (a3) surface welded connection.

4. The mechanical agitation ventilated fermentation tank for citric acid yeast fermentation according to claim 3, characterized in that: the pressed strip (a1) comprises a pulley (a11), a silica gel strip (a12), a cleaning brush (a13), an anti-collision block (a14) and an elastic sheet (a15), wherein the pulley (a11) is connected with the silica gel strip (a12) in an embedded mode, the outer surface of the silica gel strip (a12) is movably matched with the elastic sheet (a15), and the anti-collision block (a14) is movably clamped with the left side and the right side of the elastic sheet (a 15).

5. The mechanical agitation and aeration fermenter for yeast fermentation of citric acid according to claim 1, wherein: accomodate groove (15) including guiding groove (151), fixture block (152), movable rod (153), dead lever (154), collection storehouse (155), guiding groove (151) and fixture block (152) outer wall clearance fit, fixture block (152) are connected with movable rod (153) upper surface block, movable rod (153) bottom surface is connected with dead lever (154) are embedded admittedly, dead lever (154) lower extreme and collection storehouse (155) clearance fit, collect storehouse (155) and guiding groove (151) bottom clearance fit.

6. The mechanical agitation ventilated fermentation tank for citric acid yeast fermentation according to claim 5, characterized in that: the movable rod (153) comprises a clamping groove (b1), a stress carrying groove (b2), a swinging rod (b3), a stress spring (b4) and a connecting rod (b5), the clamping groove (b1) is fixedly connected with the left side of the stress carrying groove (b2), the stress carrying groove (b2) is fixedly connected with the upper surface of the right side of the swinging rod (b3), the left side of the stress spring (b4) is connected with the connecting rod (b5) in a welding mode, the connecting rod (b5) is hinged to the left side of the swinging rod (b3), and the stress spring (b4) is fixed at the lower end of the clamping groove (b1) and in clearance fit with the lower end of the stress spring (b 1).