CN206654909U - Biogas production serialization preparation system - Google Patents

Abstract

It the utility model is related to biogas production technical field, specifically, it is to be related to a kind of biogas production serialization preparation system, including pre-treatment pond, material storage container, feed tank, material-output tank, liquid storage tank, anaerobic fermentation workshop, between organic fertilizer processing, material is in preceding processing pond through automatic pulverizing grass fishing-up machine, automatic grill pollution cleaning machine decontaminates, it is sent into material storage container after the stirring of raw material stirring system by feed pipe after feed tank again through raw material stirring system secondary agitation, the feed tank is connected by feed pipe and kinetic pump with the fermentation tank in anaerobic fermentation workshop, the fermentation tank is connected by methane delivery system with gas end.The utility model can realize continuous production, and using horizontal tank, the increase of active layer area, pond holds the great lifting that factor of created gase obtains, flexible and convenient to use, can both do retort, can also make air accumulator；Pollution-free, the continuous production of biogas can be realized, there is positive realistic meaning for the propulsion of production and use of marsh gas engineering construction.

Description

Biogas production serialization preparation system

Technical field

Biogas production technical field is the utility model is related to, is to be related to a kind of biogas production serialization to prepare specifically System.

Background technology

In recent years, the biogas engineering development of China's feces of livestock and poultry is rapid.Energy-saving and emission-reduction and the needs of new countryside construction, And the promotion energetically and support of government, promote biogas engineering construction to develop rapidly.But everybody is busy with building for newly built construction And if the follow-up study to production engineering is then seldom concerned about, the research and development especially to big-and-middle-sized biogas engineering special equipment Deficiency, non-dedicated equipment volume is big, high energy consumption, and efficiency is low.

In biogas production technique, the raw material such as ox and swine excrement that come are collected by crushing grass fishing-up machine, by broken, burring After pretreatment, into material storage container and under the conditions of certain temperature, humidity, acid-base value, formed by microbial fermentation effect. But for existing biogas production preparation system, the defects of structure design is usually present, is deposited in serialization preparation In problem, and certain environmental pollution is caused, leverage the propulsion of biogas engineering construction.

Above-mentioned consideration is based on, the utility model devises a kind of biogas production serialization preparation system.

Utility model content

The utility model is for overcome the deficiencies in the prior art, adapts to real needs, devises a kind of biogas production and connects Continuousization preparation system.

In order to realize the purpose of this utility model, the technical solution adopted in the utility model is：

A kind of biogas production serialization preparation system, including pre-treatment pond, material storage container, feed tank, material-output tank, liquid storage tank, Anaerobic fermentation workshop, organic fertilizer job shop, material remove in preceding processing pond through automatic pulverizing grass fishing-up machine, automatic grill pollution cleaning machine Dirt, into material storage container by secondary through raw material stirring system again after feed pipe feeding feed tank after the stirring of raw material stirring system Stirring, the feed tank are connected by feed pipe and kinetic pump with the fermentation tank in anaerobic fermentation workshop, and the fermentation tank passes through natural pond Gas induction system connects with gas end；The fermentation tank also connects via discharge nozzle with material-output tank, the feed tank, material-output tank warp Feed pipe, kinetic pump, discharge nozzle and the fermentation tank in anaerobic fermentation workshop form loop；Clout in the fermentation tank is also by stirring Mix after pipe feeding feed tank is again stirring for and connected by feed pipe, kinetic pump, discharge nozzle with liquid storage tank, in the communicating pipe of liquid storage tank Road is provided with solid-liquid separating machine, and the solid isolated is sent into organic fertilizer job shop via biogas residue pipe, and liquid object is via biogas slurry Pipe feeding liquid storage tank is standby or is sent into feed tank recycling.

The methane delivery system includes Clean room, and the Clean room includes the plenum chamber connected with fermentation tank, plenum chamber After be sequentially communicated moisture trap, the first desulfurizing tower, the second desulfurizing tower, at the top of the plenum chamber by pipeline directly and air water Separator connection dehydration, is connected after dehydration by branch pipe with the first desulfurizing tower, and the branch pipe is provided with upper and lower branch pipe, respectively For air inlet pipe and water inlet pipe, first desulfurizing tower is connected with the bottom of the second desulfurizing tower by pipeline with valve, and upper end passes through Pipeline is connected to biogas flowmeter, and biogas flows to gas storage holder, gas storage after the first or second desulfurizing tower desulfurization after biogas flowmeter Cabinet is connected by pipeline with valve with each user terminal.

The fermentation tank is several horizontal (storage) tanks being arranged side by side, and each fermentation tank is equipped with escape pipe and blowdown pipe, respectively After escape pipe picks out, connect with plenum chamber through pipeline, after each blowdown pipe picks out, connected through pipeline with gas storage holder.

The escape pipe and blowdown pipe are divided into the both ends at the top of tank body；Discharge nozzle is arranged at the bottom of tank body one end；Enter Expects pipe, stirring pipe are respectively positioned on positioned at one end of tank body, and the overflow pipe for being connected to material-output tank is additionally provided with same one end；On tank body top Provided with ultrasonic liquid level sensor and temperature sensor；Each escape pipe is provided with check (non-return) valve, and each blowdown pipe is provided with Magnetic valve, the escape pipe are connected by a detection pipe with methane content detector.

The gas storage holder is Water-sealed gas storage holder, including open-topped tank, back-off are cut and be set in tank Interior constant-pressure tank, it is gas storage area, the air inlet pipe in the gas storage area and natural pond between the inwall of the constant-pressure tank and the water surface of tank Air-flow gauge is connected, and escape pipe is connected by gas transmission main with each user terminal, and the gas line network of gas transmission main connection is loop pipe Net, each user terminal are connected by branch pipe with valve looping network.

Slip is matched with pulley by slide rail between the outer wall of the constant-pressure tank and tank, set at the top of the constant-pressure tank There is balancing weight, the constant-pressure tank is provided with two or more and passes through valve in parallel.

Also include between heating, it is described heat between be provided with boiler, the boiler connects to be formed via heating tube with fermentation tank to be added Temperature loops, heating tube also is provided between the boiler and feed tank.

The material of the material storage container is stirred by raw material stirring system, and the raw material stirring system includes being located at storing Motor, transmission device and agitating device above pond, the transmission device include the driving gear being connected with motor output end, The flank of tooth of the driving gear at least while engages with two driven gears, and the driven gear passes through respective gear shaft respectively Driven gear group is driven to drive agitating shaft to stir.

The driven gear is connected by gear shaft with the second driven gear, and the second driven gear engages with stirring shaft gear Rotate, the agitating shaft gear drives agitating shaft and its blade to rotate.

The beneficial effects of the utility model are：

1. biogas production serialization preparation system of the present utility model and its preparation technology, it can realize pollution-free, continuous Metaplasia is produced, and using horizontal tank, the increase of active layer area, pond holds the great lifting that factor of created gase obtains, flexible and convenient to use, both may be used To do retort, air accumulator can also be made；Pollution-free, the continuous production of biogas can be realized, for production and use of marsh gas chemical industry journey The propulsion of construction has positive realistic meaning；

2. whole system continuity is good, by installing sensor and automation equipment additional, can realize production process it is complete from Dynamicization；

3. factor of created gase is high, production cost is low, and resident's use cost is low.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the utility model biogas production serialization preparation system；

Fig. 2 is Clean room internal structure schematic diagram；

Fig. 3 is fermentation tank outlet tonifying Qi pipeline layort；

The cutaway view Amplified image of Fig. 4 positions fermentation tank；

Fig. 5 is gas storage holder and looping network attachment structure schematic diagram；

Fig. 6 is the external structure schematic diagram of stirring system；

Fig. 7 is the internal structure schematic diagram of stirring system.

1 is pre-treatment pond, and 2 be material storage container, and 3 be feed tank, and 301 be feed pipe, and 4 be material-output tank, and 401 be discharge nozzle, and 5 are Liquid storage tank, 501 be solid-liquid separating machine, and 502 be biogas residue pipe, and 503 be biogas slurry pipe, and 6 be anaerobic fermentation workshop, and 601 be fermentation tank, 602 be stirring pipe, and 603 be escape pipe, and 604 be blowdown pipe, and 605 be overflow pipe, and 606 be ultrasonic liquid level sensor, 607 temperature Sensor is spent, 7 be organic fertilizer job shop, and 8 be Clean room, and 801 be plenum chamber, and 802 be moisture trap, and 803 be first de- Sulphur tower, 804 be the second desulfurizing tower, and 805 be branch pipe, and 806 biogas flowmeters, 9 be gas storage holder, and 901 be tank, and 902 are Constant-pressure tank, 903 be gas storage area, and 904 be air inlet pipe, and 905 be escape pipe, and 906 be gas transmission main, and 907 be looping network, and 908 are Slide rail, 909 be pulley, and 910 be balancing weight, and 10 between heating, and 1001 be boiler, and 1002 be heating tube, and 11 be raw material stirring system System, 1101 be motor, and 1102 be transmission device, and 1103 be agitating device, and 1104 be driving gear, and 1105 be driven gear, 1106 be gear shaft, and 1107 be the second driven gear, and 1108 be stirring shaft gear, and 1109 be agitating shaft, and 1110 be blade, 12 It is biogas user for kinetic pump, 13,14 be Generators.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples：

Embodiment：Referring to Fig. 1 --- Fig. 6.

The utility model discloses a kind of biogas production serialization preparation system, including pre-treatment pond 1, material storage container 2, charging Pond 3, material-output tank 4, liquid storage tank 5, anaerobic fermentation workshop 6, organic fertilizer job shop 7, material is in preceding processing pond 1 through automatic pulverizing Grass fishing-up machine, automatic grill pollution cleaning machine decontamination（Biogas engineering pre-treatment automatic pulverizing grass fishing-up machine 201420390113.2, biogas work Cheng Qian is handled has obtained utility model patent with 201420390114.7 two utility model patents of automatic grill pollution cleaning machine, its Concrete structure will not be described here）, it is sent into and is fed by feed pipe 301 after the stirring of raw material stirring system 11 into material storage container 2 Pass through feed pipe 301 and kinetic pump 12 and anaerobic fermentation through the secondary agitation of raw material stirring system 11, the feed tank 3 again behind pond 3 The fermentation tank 601 in workshop 6 is connected, and the fermentation tank 601 is connected by methane delivery system with gas end；The fermentation tank 601 Also connected via discharge nozzle 401 with material-output tank 4, the feed tank 3, material-output tank 4 are through feed pipe 301, kinetic pump 12, discharge nozzle 401 form loop with the fermentation tank 601 in anaerobic fermentation workshop, react remaining material and are sent into material-output tank 203 via discharge nozzle 202 Afterwards, fermentation tank 201 can be pumped into again via kinetic pump to recycle；Clout in the fermentation tank 601 also passes through stirring pipe 602 It is sent into after feed tank 3 is again stirring for and is connected by feed pipe 301, kinetic pump 12, discharge nozzle 401 with liquid storage tank 5, in liquid storage tank 5 Connecting pipeline be provided with solid-liquid separating machine 501, the solid isolated is sent into organic fertilizer job shop 7 via biogas residue pipe 502 It is processed into organic fertilizer, it is standby or be sent into feed tank 3 and recycle that liquid object via biogas slurry pipe 503 is sent into liquid storage tank 5.

The methane delivery system includes Clean room 8, and biogas enters Clean room after being fermented in fermentation tank 601 and purified, institute The plenum chamber 801 that Clean room 8 includes connecting with fermentation tank 601 is stated, moisture trap 802, first has been sequentially communicated after plenum chamber Desulfurizing tower 803, the second desulfurizing tower 804, the plenum chamber top directly connect dehydration with moisture trap 802 by pipeline, taken off Connected after water by branch pipe 805 with the first desulfurizing tower 803, the branch pipe 805 is provided with upper and lower branch pipe, respectively air inlet pipe With water inlet pipe, first desulfurizing tower 803 is connected with the bottom of the second desulfurizing tower 804 by pipeline with valve, and upper end passes through pipe Road is connected to biogas flowmeter 806, and biogas flows to gas storage holder after the first or second desulfurizing tower desulfurization after biogas flowmeter 806 9, gas storage holder 9 is connected by pipeline with valve with each user terminal.Biogas enter plenum chamber 801 after be dehydrated by moisture trap after Into desulfurizing tower, two desulfurizing towers use a preparation and a use, to change desulfurizing agent in the case of not stopping the supple of gas or steam.

The fermentation tank 601 is several horizontal (storage) tanks being arranged side by side, and each fermentation tank is equipped with escape pipe 603 and tonifying Qi Pipe 604, the escape pipe 603 and blowdown pipe 604 are divided into the both ends at the top of tank body；After each escape pipe 603 picks out, through pipeline with Plenum chamber 801 connects, and after each blowdown pipe 604 picks out, is connected through pipeline with gas storage holder 9.Discharge nozzle 401 is arranged at tank body one end Bottom；Feed pipe 301, stirring pipe 602 are respectively positioned on positioned at one end of tank body, are additionally provided with same one end and are connected to overflowing for material-output tank 3 Flow tube 605；Ultrasonic liquid level sensor 606 and temperature sensor 607 are provided with tank body top；Set on each escape pipe 603 There is check (non-return) valve, each blowdown pipe 604 is provided with magnetic valve, and the escape pipe is detected by a detection pipe and methane content Instrument connects.Escape pipe is located at the top of tank body, and each tank body escape pipe is independently connected to Clean room plenum chamber 701, gas in fermentation tank It is 4Kpa to press as 6Kpa, plenum chamber output pressure, and a detection pipe of each fermentation tank appendix point does not reach to methane content detector Mark gas discharging, acceptable gas input plenum chamber.Blowdown pipe is located at tank body top rear, when tank body discharge forms negative pressure, mends Pneumoelectric magnet valve automatic start, tonifying Qi is carried out to fermentation tank, in order to avoid cause negative pressure to squeeze flat fermentation tank.So, can be used between tank and tank Valve is connected, each independent, can intercommunication one by one, also can multiple intercommunications, be easy to maintenance and repair uninterruptedly to supply.

The gas storage holder 9 is Water-sealed gas storage holder, including open-topped tank 901, back-off are cut to be set in and stored up Constant-pressure tank 902 in pond, is gas storage area 903 between the inwall of the constant-pressure tank 902 and the water surface of tank 901, the storage The air inlet pipe 904 in gas area 903 is connected with biogas flowmeter 806, and escape pipe 905 is connected by gas transmission main 906 with each user terminal, The gas line network that gas transmission main 906 connects is looping network 907, and each user terminal is connected by branch pipe with valve looping network 907. This case forms ring-type recycle circuit by gas pipeline and air accumulator so that the biogas user connected with gas pipeline can ensure Biogas air pressure constant in its steam line, it can normally use biogas.

Slip, the constant pressure are matched with pulley 909 by slide rail 908 between the outer wall and tank of the constant-pressure tank 902 The top of tank 902 is provided with balancing weight 910, balancing weight 910 may be configured as it is multiple, according to the actual default pressure of gas storage area 903 spirit Increase and decrease living, the constant-pressure tank 902 are provided with two or more and pass through valve in parallel.

Also include 10 between heating, it is described heat between be provided with boiler 1001, the boiler 1001 is via heating tube 1002 with sending out The connection of fermentation tank 601 forms heating loop, and heating tube 1002 also is provided between the boiler 1001 and feed tank 3.To feed tank Material carries out pre-heating processing, can accelerate follow-up reaction rate, shortens the reaction time.Simultaneously can be according to reality to fermentation tank Directly heated using needs, and adjust warm temperature to preferable temperature value.

The material of the material storage container 2 is stirred by raw material stirring system 11, and the raw material stirring system includes being located at Motor 1101, transmission device 1102 and the agitating device 1103 of the top of material storage container 2, the transmission device 1102 includes and motor The driving gear 1104 of 1101 output ends connection, the flank of tooth of the driving gear 1104 at least while with two driven gears 1105 Engagement, the driven gear drive driven gear group to drive agitating shaft to stir by respective gear shaft 1106 respectively.

The driven gear 1105 is connected by gear shaft 1106 with the second driven gear 1107, the second driven gear 1107 With stirring the engagement rotation of shaft gear 1108, the stirring shaft gear 1108 drives agitating shaft 1109 and its blade 1110 to rotate.

The operation principle of raw material stirring system：Motor is opened, is rotated by motor output end and drives drive bevel gear to rotate, So as to drive the driven wheel of differential that engages to rotate, driven wheel of differential rotate drive the power transmission shaft being attached thereto and second from Dynamic bevel gear rotates, and the stirring shaft bevel gears that the rotation drive of the second driven wheel of differential engages rotate and what is be attached thereto stirs Axle rotation is mixed, so as to realize that the stirrer paddle being arranged on agitating shaft is stirred to the raw material in storage tank, it is preferred that motor Cycloid single shaft decelerator is additionally provided between drive bevel gear, so that lowering rotating speed, increases torque, lifts agitating device Stirring efficiency, improve the factor of created gase of biogas.

Stirring system of the present utility model, using jet mixing, i.e. agitating shaft in bottom, feed pipe in middle and upper part, Stirring is abundant, and factor of created gase is high.

Preferable in this case, three agitating devices are distributed in storage tank in equilateral triangle, and material in storage tank is carried out Thoroughly stir, stir be more uniformly distributed, the scope that stirs it is bigger, and then greatly improve mixing effect, and improve biogas Factor of created gase.

The invention also discloses a kind of biogas production continuous preparation process, comprise the following steps：

The first step, raw material crushes, removal of impurities；

Second step, the raw material after crushing and removal of impurities is stirred twice, weeds, wood chip etc. are pulled in stirring for the first time out Impurity, pass through sieve or grid filtration after second of stirring；

3rd step, the raw material after stirring twice, filter is carried out in feed tank by the heating coil on pool wall Once heat；Also can be heated using plate type heat exchanger.

4th step, the fermentation tank that raw material after heating is sent into anaerobic fermentation workshop are fermented, and the fermentation phase is 18 --- 20 days, there is temperature-increasing system to heat cooperation fermentation in fermentation process；Fermentation is heated using the boiler between heating, the boiler 1001 connect formation heating loop via heating tube 1002 with fermentation tank 601, also are provided between the boiler 1001 and feed tank 3 Heating tube 1002.Pre-heating processing is carried out to the material of feed tank, follow-up reaction rate can be accelerated, shorten the reaction time. Fermentation tank can directly be heated according to actual needs simultaneously, and adjust warm temperature to preferable temperature value.

5th step, user terminal is sent into after fermentation after over cleaning, desulfurization, the slag liquid after fermentation is by solid-liquid separating machine point From dry slag is processed into organic fertilizer, and liquid is back to feed tank and continues on for fermenting, avoids causing secondary pollution.

Biogas production serialization preparation system of the present utility model and its preparation technology, can realize pollution-free, serialization Production, using horizontal tank, active layer area increase, pond holds the great lifting that factor of created gase obtains, flexible and convenient to use, both can be with Retort is done, air accumulator can also be made.

Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalents or the direct or indirect technical field for being used in correlation made using the utility model specification and accompanying drawing content, Similarly it is included in scope of patent protection of the present utility model.

Claims (9)

1. a kind of biogas production serialization preparation system, including pre-treatment pond（1）, material storage container（2）, feed tank（3）, material-output tank （4）, liquid storage tank（5）, anaerobic fermentation workshop（6）, organic fertilizer job shop（7）, it is characterised in that：Material is in preceding processing pond（1） It is middle to be decontaminated through automatic pulverizing grass fishing-up machine, automatic grill pollution cleaning machine, into material storage container（2）It is middle through raw material stirring system（11）After stirring Pass through feed pipe（301）It is sent into feed tank（3）Afterwards again through raw material stirring system（11）Secondary agitation, the feed tank（3）Pass through Feed pipe（301）And kinetic pump（12）With anaerobic fermentation workshop（6）Fermentation tank（601）Connection, the fermentation tank（601）Pass through Methane delivery system connects with gas end；The fermentation tank（601）Also via discharge nozzle（401）With material-output tank（4）Connection, it is described Feed tank（3）, material-output tank（4）Through feed pipe（301）, kinetic pump（12）, discharge nozzle（401）With the fermentation tank in anaerobic fermentation workshop （601）Form loop；The fermentation tank（601）In clout also pass through stirring pipe（602）It is sent into feed tank（3）After being again stirring for Pass through feed pipe（301）, kinetic pump（12）, discharge nozzle（401）With liquid storage tank（5）Connection, in liquid storage tank（5）Connecting pipeline on Provided with solid-liquid separating machine（501）, the solid isolated is via biogas residue pipe（502）It is sent into organic fertilizer job shop（7）, liquid object Via biogas slurry pipe（503）It is sent into liquid storage tank（5）Standby or feeding feed tank（3）Recycle.

2. biogas production serialization preparation system according to claim 1, it is characterised in that：The methane delivery system bag Include Clean room（8）, the Clean room（8）Including with fermentation tank（601）The plenum chamber of connection（801）, it is sequentially communicated after plenum chamber There is moisture trap（802）, the first desulfurizing tower（803）, the second desulfurizing tower（804）, the plenum chamber（801）Top passes through pipeline Directly and moisture trap（802）Connection dehydration, passes through branch pipe after dehydration（805）With the first desulfurizing tower（803）Connection, it is described Branch pipe（805）Provided with upper and lower branch pipe, respectively air inlet pipe and water inlet pipe, first desulfurizing tower（803）With the second desulfurizing tower （804）Bottom connected by pipeline with valve, upper end is connected to biogas flowmeter by pipeline（806）, biogas is from first or Through biogas flowmeter after two desulfurizing tower desulfurization（806）After flow to gas storage holder（9）, gas storage holder（9）Pass through pipeline and valve and each use Family end connects.

3. the biogas production serialization preparation system according to claim 2 or claim 2, it is characterised in that：The hair Fermentation tank（601）For several horizontal (storage) tanks being arranged side by side, each fermentation tank is equipped with escape pipe（603）With blowdown pipe（604）, respectively Escape pipe（603）After picking out, through pipeline and plenum chamber（801）Connection, each blowdown pipe（604）After picking out, through pipeline and gas storage holder （9）Connection.

4. biogas production serialization preparation system according to claim 3, it is characterised in that：The escape pipe（603）With Blowdown pipe（604）The both ends being divided at the top of tank body；Discharge nozzle（401）It is arranged at the bottom of tank body one end；Feed pipe（301）、 Stirring pipe（602）It is respectively positioned on positioned at one end of tank body, is additionally provided with same one end and is connected to material-output tank（3）Overflow pipe（605）； Tank body top is provided with ultrasonic liquid level sensor（606）And temperature sensor（607）；Each escape pipe（603）It is provided with only Inverse valve, each blowdown pipe（604）Magnetic valve is provided with, the escape pipe passes through a detection pipe and methane content detector Connection.

5. biogas production serialization preparation system according to claim 3, it is characterised in that：The gas storage holder（9）For water Sealed gas holder, including open-topped tank（901）, back-off cut the constant-pressure tank being set in tank（902）, institute State constant-pressure tank（902）Inwall and tank（901）The water surface between be gas storage area（903）, the gas storage area（903）Air inlet Pipe（904）With biogas flowmeter（806）Connection, escape pipe（905）Pass through gas transmission main（906）Connected with each user terminal, gas transmission House steward（906）The gas line network of connection is looping network（907）, each user terminal passes through branch pipe and valve looping network（907）Even It is logical.

6. biogas production serialization preparation system according to claim 5, it is characterised in that：The constant-pressure tank（902）'s Pass through slide rail between outer wall and tank（908）With pulley（909）Matching is slided, the constant-pressure tank（902）Top be provided with match somebody with somebody Pouring weight（910）, the constant-pressure tank（902）Provided with two or more and pass through valve in parallel.

7. biogas production serialization preparation system according to claim 1, it is characterised in that：Also include between heating（10）, It is described heat between be provided with boiler（1001）, the boiler（1001）Via heating tube（1002）With fermentation tank（601）Connection is formed Heat loop, the boiler（1001）With feed tank（3）Between also be provided with heating tube（1002）.

8. biogas production serialization preparation system according to claim 1, it is characterised in that：The material storage container（2）Thing Material passes through raw material stirring system（11）It is stirred, the raw material stirring system includes being located at material storage container（2）The motor of top （1101）, transmission device（1102）And agitating device（1103）, the transmission device（1102）Including with motor（1101）It is defeated Go out the driving gear of end connection（1104）, the driving gear（1104）The flank of tooth at least while with two driven gears（1105） Engagement, the driven gear pass through respective gear shaft respectively（1106）Driven gear group is driven to drive agitating shaft to stir.

9. biogas production serialization preparation system according to claim 8, it is characterised in that：The driven gear（1105） Pass through gear shaft（1106）With the second driven gear（1107）Connection, the second driven gear（1107）With stirring shaft gear（1108） Engagement rotation, the stirring shaft gear（1108）Drive agitating shaft（1109）And its blade（1110）Rotate.