CN114671188A - Odor leakage prevention type belt conveyor bin door butt joint structure of aerobic fermentation bin - Google Patents
Odor leakage prevention type belt conveyor bin door butt joint structure of aerobic fermentation bin Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/08—Protective roofs or arch supports therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/20—Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses an odor leakage prevention type belt conveyor bin door butt joint structure of an aerobic fermentation bin, which comprises a rack, a belt conveyor main body arranged on the rack, an annular conveying belt arranged on the belt conveyor main body in a surrounding and moving mode, and a rigid housing fixed on the rack, wherein the rigid housing is vertically arranged, a rectangular window is formed in the middle of the rigid housing, the front end of the belt conveyor main body penetrates through the rectangular window along the horizontal direction, the opening of the rigid housing faces the front end direction of the belt conveyor main body, and a material conveying idle stop for materials to pass through is arranged between the upper side window edge of the rectangular window of the rigid housing and the upper end of the belt conveyor main body. The invention can effectively prevent the overflow of the peculiar smell gas when the material enters and exits the bin gate, thereby further improving the environmental protection performance of the aerobic fermentation bin.
Description
Technical Field
The invention relates to the technical field of excrement treatment equipment, in particular to an odor leakage prevention type belt conveyor bin gate butt joint structure of an aerobic fermentation bin.
Background
The cow bed is the main living area of the cows, and the comfort level of the cow bed padding directly influences the rest and rumination of the cows so as to influence the production performance and the economic benefit of a pasture. The selection of the bedding materials needs to be considered from three aspects of ensuring the health of the cows, improving the comfort of the cows and not influencing the normal operation of subsequent manure treatment equipment.
The cattle bed padding is common to sand, sandy soil, rice hulls, rubber pads and the like, and has advantages and disadvantages.
For sand bedding, for example, microbial flora is difficult to grow in the bedding, and does not pose a threat to the health of the cows. Meanwhile, the sand has the characteristic of good water permeability, is not easy to harden, and cannot cause damage to the hoof and limbs of the dairy cow. But the sand can be mixed with the dairy cow dung, so that the subsequent treatment equipment of the dung is seriously abraded and even damaged. In addition, the selling price of the sand is 50-70 yuan/cubic meter, and the cost of using the sand as the padding is higher.
Like sand, sandy soil can also maintain the dry sanitary environment of cow bed, but easily hardens into the piece, easily leads to the limb hoof injury of milk cow, is unfavorable for subsequent excrement and urine to handle equally. Each cow is padded with 20 kg of sand everyday, and the cost is slightly lower than that of sand.
The rice hulls can create a comfortable environment for the dairy cows, and have no adverse effect on subsequent fecal sewage treatment, but due to the organic characteristics of the rice hulls, microbial flora is easily proliferated, and adverse effects on the health of the dairy cows may be caused. In addition, the price of the rice hulls is 400-600 yuan/ton, and the cost is high. The straw, sawdust and other materials used as the padding have the same characteristics as the rice hull padding, and the cost is higher.
The rubber pad is a novel cow bed padding, is usually laid on a cement cow bed, has the advantages of convenient use, simple maintenance and the like, has the characteristic of antibiosis by adding a special technology, but can abrade the hoof of the cow, causes adverse effects on the health of the cow and has high manufacturing cost.
Aiming at the problems, an intelligent production system for bedding in a cattle farm based on cow dung recycling is developed, intelligent and automatic equipment is integrated in a micro-negative pressure type aerobic fermentation bin by the production system, and the aerobic fermentation automation of cow dung is realized. The produced bedding material for the cow can ensure the health of the cow, improve the comfort of the cow, reduce the limb and hoof diseases and is easy for manure treatment.
A belt conveyor for conveying materials is arranged in the intelligent production system for the bedding materials in the cattle farm. The belt conveyor is mainly used for conveying materials into the micro negative pressure type aerobic fermentation bin or conveying fermentation finished products in the micro negative pressure type aerobic fermentation bin out of the micro negative pressure type aerobic fermentation bin. When the belt conveyor is used, the bin door of the micro negative pressure type aerobic fermentation bin needs to be opened, then the front end head part of the cantilever type belt conveyor extends into the bin, the cantilever type belt conveyor resets after the material is conveyed, and then the bin door of the micro negative pressure type aerobic fermentation bin is closed.
For a large aerobic fermentation bin, because the material conveying capacity is large, the time spent by material entering and exiting is long, and the bin door of the micro negative pressure type aerobic fermentation bin is in an open state for a long time, the micro negative pressure in the micro negative pressure type aerobic fermentation bin can gradually disappear and become positive pressure, so that the peculiar smell gas in the bin can overflow, and certain environmental pollution is caused. Therefore, the anti-odor leakage type belt conveyor bin door butt joint structure of the aerobic fermentation bin is designed.
Disclosure of Invention
In order to solve the problems, the invention provides an odor leakage prevention type belt conveyor bin gate butt joint structure of an aerobic fermentation bin, which aims to prevent odor from overflowing when materials enter and exit the bin gate, so that the environmental protection performance of the aerobic fermentation bin is further improved. The specific technical scheme is as follows:
the utility model provides an aerobic fermentation storehouse prevent odor type band conveyer door butt-joint structural that leaks, is in including frame and setting band conveyer main part in the frame, surround and remove the setting and be in endless conveyor in the band conveyer main part, fix rigidity housing in the frame, the vertical setting of rigidity housing, the rectangle window has been seted up to the centre of rigidity housing, the front end of band conveyer main part is passed along the horizontal direction rectangle window, the oral area orientation of rigidity housing the front end direction of band conveyer main part, the rectangle window limit of rigidity housing with be provided with the material transport empty gear that the material passes through between the upper end of band conveyer main part.
In order to improve the reliability of sealing connection between the rigid housing and the belt conveyor main body, flexible sealing strips are arranged on the window edges at two sides and the window edge at the bottom of the rectangular window of the rigid housing, and the flexible sealing strips are in sealing contact with the two side faces of the belt conveyor main body, the lower end face of the belt conveyor main body and the lower end face of the annular conveyor belt part at the position below the belt conveyor main body respectively.
In order to improve the reliability of sealing connection between the rigid housing and the door part of the aerobic fermentation bin, the opening part of the rigid housing is in butt joint with a corrugated pipe, and the front end of the corrugated pipe is provided with a magnetic sealing gasket which is used for being in sealing butt joint with the material inlet and outlet door of the aerobic fermentation bin.
As a further improvement of the invention, an airflow guiding assembly is arranged in the rigid housing and above the front end of the belt conveyor main body, the airflow guiding assembly comprises an airflow drainage fan, an airflow drainage air suction duct connected to an airflow input end of the airflow drainage fan, and an airflow drainage air outlet duct connected to an airflow output end of the airflow drainage fan, an air duct inlet of the airflow drainage air suction duct is close to the material conveying neutral position, and an air duct outlet of the airflow drainage air outlet duct faces the front end of the belt conveyor main body. And the air duct outlet of the air flow drainage and air suction duct is connected with the air flow input end of the air flow drainage fan.
In the invention, the inner wall of the upper part of the rigid housing is connected with an upper bracket, and the shell of the airflow drainage fan is fixed on the upper bracket.
In the invention, the air duct inlet of the airflow guide air suction duct is a rectangular air duct inlet matched with the material conveying neutral position in shape and size.
As a further improvement of the invention, a lower support is connected to the inner wall of the lower part of the rigid housing, an air knife is arranged on the lower support, and an air outlet knife edge of the air knife points to the surface of the annular conveying belt at the lower end of the belt conveyor main body.
Preferably, the rigidity housing is the rectangle oral area housing with the rectangle material business turn over door looks adaptation in good oxygen fermentation storehouse, airflow drainage goes out the wind channel including connecting a pair of branch air outlet, the setting of airflow output end of airflow drainage fan are in air outlet in a pair of airtight gas storage formula of rectangle housing both sides position, a pair of branch air outlet corresponds and connects air outlet in a pair of airtight gas storage formula, the both ends of air knife are provided with a pair of air knife air intake, a pair of air knife air intake correspondingly with air outlet is linked together in a pair of airtight gas storage formula.
In the invention, the aerobic fermentation bin is connected with a micro-negative pressure purification system.
In the invention, the method for preventing odor from leaking out when the aerobic fermentation bin uses a belt conveyor to convey materials comprises the following steps:
(1) preparing a conveyor: the belt conveyor moves to a material inlet and outlet bin door of the aerobic fermentation bin;
(2) opening a bin door: opening a material inlet and outlet door of the micro-negative pressure aerobic fermentation bin;
(3) butt joint of a belt conveyor and a bin gate: after the material inlet and outlet door is opened, the belt conveyor is rapidly moved, so that the front end of the main body of the belt conveyor enters the aerobic fermentation bin, meanwhile, a rigid housing arranged on the belt conveyor covers the bin opening of the material inlet and outlet door of the aerobic fermentation bin, and the periphery of the bin opening of the material inlet and outlet door is sealed by using a corrugated pipe and a magnetic sealing gasket at the front end of the rigid housing;
(4) airflow drainage: an airflow drainage fan is started, and under the action of the airflow drainage fan, a material conveying neutral position formed between the upper side window edge of the rectangular window of the rigid housing and the upper end of the belt conveyor main body generates negative pressure, so that the leakage of peculiar smell gas in the aerobic fermentation bin is effectively prevented;
(5) material conveying: starting a belt conveyor to convey the materials, and conveying the materials into an aerobic fermentation bin or conveying the materials out of the aerobic fermentation bin; in the material conveying process, gas at the material conveying neutral position is sucked away by the airflow drainage fan through the airflow drainage air suction duct, so that negative pressure is formed at the material conveying neutral position, and further peculiar smell gas in the aerobic fermentation bin is effectively prevented from leaking; the air at the material conveying neutral position sucked away by the airflow drainage fan is conveyed to the inside of the air knife through the airflow drainage air outlet channel and then is blown out from the air outlet knife edge of the air knife, and the material particles adhered to the lower end face of the annular conveying belt are blown into the aerobic fermentation bin by the air blown out from the air knife, so that the cleaning effect of the annular conveying belt is realized.
Preferably, an electric air door capable of adjusting air volume is arranged on the air flow guiding and air sucking duct to prevent the pressure in the aerobic fermentation bin from gradually rising to become positive pressure due to overlarge air volume, so that micro-negative pressure balance in the aerobic fermentation bin is ensured.
Preferably, an air flow distribution chamber is arranged on one section of the air flow drainage air suction duct between the electric air door and the air duct inlet of the air flow drainage air suction duct, a partition plate is arranged on the air flow distribution chamber, and a plurality of air flow distribution through holes are arranged on the partition plate at intervals along the horizontal direction.
The arrangement of the airflow distribution chamber ensures that the negative pressure at the air channel inlet part of the airflow drainage and suction air channel is uniformly distributed.
Preferably, an air pressure sensor is arranged in the aerobic fermentation bin, and the air pressure sensor and the electric air door are respectively connected with the MCU controller so as to optimize the regulation of air volume.
Because the air outlet knife edge area of the air knife is relatively small, under the action of the airflow drainage fan, the air entering the inner cavity of the air knife from the airflow drainage air outlet duct can form a pressurization effect, so that the cleaning effect on the annular conveying belt is enhanced.
Preferably, the heater is arranged in the inner cavity of the air knife, and hot gas blown out from the air outlet edge of the air knife in the continuous material conveying process can realize cyclic heating when the annular conveying belt moves, so that particle materials adhered to the annular conveying belt can be dried in advance, and fall off at an accelerated speed under the strong blowing of hot air blown out from the air outlet edge of the air knife.
Preferably, the belt conveyor is a movable belt conveyor with braking casters.
Preferably, the belt conveyor is a cantilever type belt conveyor.
Preferably, the material inlet and outlet door of the aerobic fermentation bin is an electric bin door, a proximity sensor is arranged at the front end of the main body of the movable belt conveyor, and the electric bin door and the proximity sensor are respectively connected with an MCU (microprogrammed control unit); when the front end of the movable belt conveyor or the cantilever type belt conveyor is close to the electric bin gate, the electric bin gate is rapidly and automatically opened, so that the butt joint of the belt conveyor and the material inlet and outlet bin gate can be accelerated, and the micro negative pressure loss in the aerobic fermentation bin is reduced.
The invention has the beneficial effects that:
firstly, according to the butt joint structure of the bin door of the belt conveyor for preventing the odor from leaking out of the aerobic fermentation bin, the specially designed housing structure is arranged on the belt conveyor, so that most of the bin door can be sealed, and a material conveying neutral gear is reserved, so that the risk of leaking the odor is reduced, and the environmental protection performance of the aerobic fermentation bin is improved.
Secondly, according to the anti-odor leakage type belt conveyor bin door butt joint structure of the aerobic fermentation bin, the airflow guide assembly is arranged in the rigid housing, so that the air pressure of a material conveying neutral gear can be ensured to be always negative pressure, and the reliability of preventing odor in the aerobic fermentation bin from overflowing is further improved.
Thirdly, according to the anti-odor leakage type belt conveyor bin door butt joint structure of the aerobic fermentation bin, the air knife is arranged at the lower conveying belt of the belt conveyor, and airflow guided out by the airflow guide fan enters the air knife through the pair of branch air outlet channels, so that the cleaning effect on materials adhered to the conveying belt is realized.
Fourthly, the anti-odor leakage type belt conveyor bin gate butt joint structure of the aerobic fermentation bin, disclosed by the invention, is characterized in that an electric heating element (an electric heating wire or a ceramic heating element) is arranged in the air knife, so that gas blown out of the air knife can circularly heat the conveying belt, and thus, particle materials adhered to the annular conveying belt can be dried in advance, and the particle materials are accelerated to fall off under the strong blowing of hot air blown out of an air outlet knife edge of the air knife.
Drawings
FIG. 1 is a schematic structural diagram of a butt joint structure of a bin door of an anti-odor leakage belt conveyor of an aerobic fermentation bin according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of the airflow directing assembly of FIG. 2;
FIG. 4 is a schematic structural view of a further improvement on FIG. 1;
FIG. 5 is an enlarged partial view of FIG. 4;
FIG. 6 is a schematic structural view (left cross-sectional view) of the rigid enclosure of FIG. 1 or FIG. 4;
FIG. 7 is a schematic structural diagram of the relative position relationship between the rigid casing and the airflow diversion fan and the air knife.
In the figure: 1. the device comprises a belt conveyor, 2, a frame, 3, a belt conveyor main body, 4, an annular conveying belt, 5, a rigid housing, 6, a rectangular window, 7, a material conveying neutral gear, 8, a flexible sealing strip, 9, a corrugated pipe, 10, an aerobic fermentation bin, 11, a material inlet and outlet bin door (an electric lifting door), 12, a magnetic sealing gasket, 13, an airflow guide component, 14, an airflow guide fan, 15, an airflow guide air suction channel, 16, an airflow guide air outlet channel, 17, an upper support, 18, an air channel outlet of the airflow guide air suction channel, 19, an air channel inlet of the airflow guide air suction channel, 20, a lower support, 21, an air knife, 22, an air outlet knife edge, 23, a branch air outlet channel, 24, a sealed air storage type inner air outlet channel, 25, an air knife air inlet, 26, a braking caster, 27, an electric air door, 28 and an airflow distribution chamber.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 7 show an embodiment of an odor leakage prevention belt conveyor bin door butt joint structure of an aerobic fermentation bin, which includes a frame 2, a belt conveyor main body 3 arranged on the frame 2, an annular conveyor belt 4 arranged on the belt conveyor main body 3 in a surrounding and moving manner, and a rigid housing 5 fixed on the frame 2, wherein the rigid housing 5 is arranged vertically, a rectangular window 6 is arranged in the middle of the rigid housing 5, the front end of the belt conveyor main body 3 penetrates through the rectangular window 6 in a horizontal direction, the opening of the rigid housing 5 faces the front end direction of the belt conveyor main body 3, and a material conveying empty block 7 for passing materials is arranged between the upper window edge of the rectangular window 6 of the rigid housing 5 and the upper end of the belt conveyor main body 3.
In order to improve the reliability of the sealing connection between the rigid housing 5 and the belt conveyor main body 3, flexible sealing strips 8 are arranged on the window edges at two sides and the window edge at the bottom of the rectangular window 6 of the rigid housing 5, and the flexible sealing strips 8 are in sealing contact with the two side surfaces of the belt conveyor main body 3, the lower end surface of the belt conveyor main body 3 and the lower end surface of the annular conveying belt 4 at the position below the belt conveyor main body 3 respectively.
In order to improve the reliability of the sealing connection between the rigid housing 5 and the door part of the aerobic fermentation chamber 10, the mouth part of the rigid housing 5 is in butt joint with a corrugated pipe 9, and the front end of the corrugated pipe 9 is provided with a magnetic sealing gasket 12 which is used for being in sealing butt joint with a material inlet and outlet door 11 of the aerobic fermentation chamber 10.
As a further improvement of this embodiment, the inside of rigid housing 5 is located the top position at the front end of belt conveyor main part 3 is provided with airflow guide subassembly 13, airflow guide subassembly 13 includes airflow drainage fan 14, connects airflow drainage suction channel 15, the connection of airflow drainage fan 14's airflow input end are in airflow drainage exhaust channel 16 of airflow drainage fan 14's airflow output end, the wind channel entry 19 of airflow drainage suction channel 15 leans on material conveying gap 7 position, the wind channel export orientation of airflow drainage exhaust channel 16 the front end direction of belt conveyor main part 3. An air duct outlet 18 of the airflow guide air suction duct 15 is connected with an airflow input end of the airflow guide fan 14.
In this embodiment, an upper bracket 17 is connected to an inner wall of an upper portion of the rigid casing 5, and a casing of the airflow guiding fan 14 is fixed to the upper bracket 17.
In this embodiment, the air duct inlet 19 of the airflow guiding and air sucking duct 15 is a rectangular air duct inlet adapted to the material conveying hollow 7.
As a further improvement of this embodiment, a lower bracket 20 is connected to the lower inner wall of the rigid casing 5, an air knife 21 is disposed on the lower bracket 20, and an air outlet knife edge 22 of the air knife 21 points to the surface of the endless conveyor belt 4 at the lower end of the belt conveyor body 3.
Preferably, the rigid housing 5 is a rectangular opening portion housing matched with a rectangular material inlet and outlet bin door of the aerobic fermentation bin 10, the airflow drainage air outlet duct 16 comprises a pair of branch air outlet ducts 23 connected to an airflow output end of the airflow drainage fan 14, and a pair of airtight air storage type inner air outlet ducts 24 arranged at two side positions of the rectangular housing 5, the pair of branch air outlet ducts 23 are correspondingly connected to the pair of airtight air storage type inner air outlet ducts 24, a pair of air knife air inlets 25 are arranged at two ends of the air knife 21, and the pair of air knife air inlets 25 are correspondingly communicated with the pair of airtight air storage type inner air outlet ducts 24.
In this embodiment, the aerobic fermentation chamber 10 is connected to a micro-negative pressure purification system.
In this embodiment, the method for preventing odor from leaking out when the belt conveyor 1 is used for conveying the material in the aerobic fermentation chamber 10 is as follows:
(1) preparing a conveyor: the belt conveyor 1 moves to a material inlet and outlet bin door 11 of the aerobic fermentation bin 10;
(2) opening a bin gate: opening a material inlet and outlet door 11 of the micro-negative pressure aerobic fermentation bin 10;
(3) butt joint of a belt conveyor and a bin gate: after the material in-out bin door 11 is opened, the belt conveyor 1 is rapidly moved, so that the front end of the belt conveyor main body 3 enters the aerobic fermentation bin 10, meanwhile, a rigid housing cover 5 arranged on the belt conveyor 1 covers the bin opening of the material in-out bin door 11 of the aerobic fermentation bin 10, and the periphery of the bin opening of the material in-out bin door 11 is sealed by using a corrugated pipe 9 and a magnetic sealing gasket 12 at the front end of the rigid housing cover 5;
(4) airflow drainage: an airflow drainage fan 14 is started, and under the action of the airflow drainage fan 14, a material conveying neutral position 7 formed between the upper side window edge of the rectangular window 6 of the rigid housing 5 and the upper end of the belt conveyor main body 3 generates negative pressure, so that the leakage of peculiar smell gas in the aerobic fermentation bin 10 is effectively prevented;
(5) Conveying materials: starting the belt conveyor 1 to convey the materials, and conveying the materials into the aerobic fermentation bin 10 or conveying the materials out of the aerobic fermentation bin 10; in the material conveying process, the gas at the position of the material conveying neutral gear 7 is sucked away by the airflow drainage fan 14 through the airflow drainage air suction duct 15, so that negative pressure is formed at the position of the material conveying neutral gear 7, and further the leakage of peculiar smell gas in the aerobic fermentation bin 10 is effectively prevented; the air at the material conveying neutral gear 7 sucked by the air flow diversion fan 14 is sent to the interior of the air knife 21 through the air flow diversion air outlet duct 16 and then blown out from the air outlet knife edge 22 of the air knife 21, and the air blown out from the air knife 21 blows the material particles adhered to the lower end face of the annular conveying belt 4 into the aerobic fermentation bin 10, so that the cleaning effect of the annular conveying belt 4 is realized.
Preferably, the airflow guiding and air sucking duct 15 is provided with an electric air door 27 capable of adjusting the air volume, so as to prevent the pressure in the aerobic fermentation chamber 10 from gradually rising to become positive pressure due to excessive air volume, thereby ensuring the micro-negative pressure balance in the aerobic fermentation chamber 10.
Preferably, an airflow distribution chamber 28 is arranged on a section of the airflow guiding and absorbing duct 15 between the electric damper 27 and the duct inlet 19 of the airflow guiding and absorbing duct 15, a partition plate is arranged on the airflow distribution chamber 28, and a plurality of airflow distribution through holes are arranged on the partition plate at intervals along the horizontal direction.
The airflow distribution chamber 28 is arranged to make the negative pressure distribution uniform at the air duct inlet 19 of the airflow diversion and suction air duct 15.
Preferably, an air pressure sensor is arranged in the aerobic fermentation bin 10, and the air pressure sensor and the electric air door 27 are respectively connected with the MCU controller so as to optimize the regulation of air volume.
Because the air outlet knife edge area of the air knife 21 is relatively small, under the action of the airflow drainage fan 14, the air entering the inner cavity of the air knife 21 from the airflow drainage air outlet channel 16 can form a pressurization effect, so that the cleaning effect on the annular conveying belt 4 is enhanced.
Preferably, a heater is arranged in the inner cavity of the air knife 21, and hot gas blown out from the air outlet knife edge 22 of the air knife 21 in the continuous material conveying process can realize cyclic heating when the annular conveying belt 4 moves, so that the granular materials adhered to the annular conveying belt 4 are dried in advance, and are accelerated to fall off under the strong blowing and scraping of the hot air blown out from the air outlet knife edge 22 of the air knife 21.
Preferably, the belt conveyor 1 is a mobile belt conveyor with a brakable caster 26.
Preferably, the belt conveyor 1 is a cantilever type belt conveyor.
Preferably, the material inlet and outlet door 11 of the aerobic fermentation bin 10 is an electric bin door, the front end of the movable belt conveyor main body 3 is provided with a proximity sensor, and the electric bin door and the proximity sensor are respectively connected with an MCU (microprogrammed control unit); when the front end of the movable belt conveyor 1 or the cantilever type belt conveyor 1 is close to the electric bin gate 11, the electric bin gate 11 is rapidly and automatically opened, so that the butt joint of the belt conveyor 1 and the material bin gate 11 can be accelerated, and the micro-negative pressure loss in the aerobic fermentation bin 10 is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an aerobic fermentation storehouse prevent that odor leaks type band conveyer door butt-joint structural, a serial communication port, be in including frame and setting band conveyer main part in the frame, encircle to remove and set up endless conveyor in the band conveyer main part, fix rigidity housing in the frame, the vertical setting of rigidity housing, the rectangle window has been seted up to the centre of rigidity housing, the front end of band conveyer main part passes along the horizontal direction the rectangle window, the oral area orientation of rigidity housing the front end direction of band conveyer main part, the rectangle window's of rigidity housing the upper side window limit with be provided with the material transport free stop that the material passes through between the upper end of band conveyer main part.
2. The butt joint structure of the odor leakage preventing belt conveyor bin door of the aerobic fermentation bin according to claim 1, wherein flexible sealing strips are disposed on two window edges and a bottom window edge of the rectangular window of the rigid housing, and the flexible sealing strips are in sealing contact with two side surfaces of the belt conveyor main body, a lower end surface of the belt conveyor main body, and a lower end surface of an annular conveyor belt portion at a position below the belt conveyor main body, respectively.
3. The anti-odor leakage type belt conveyor bin gate butt joint structure of the aerobic fermentation bin as claimed in claim 1, wherein a corrugated pipe is butt-jointed to the mouth part of the rigid housing, and a magnetic gasket for sealing butt joint with the material inlet and outlet bin gate of the aerobic fermentation bin is arranged at the front end of the corrugated pipe.
4. The anti-odor leakage belt conveyor bin door butt joint structure of the aerobic fermentation bin according to claim 1, wherein an airflow guiding component is disposed inside the rigid housing and above the front end of the belt conveyor main body, the airflow guiding component comprises an airflow guiding fan, an airflow guiding suction duct connected to an airflow input end of the airflow guiding fan, and an airflow guiding outlet duct connected to an airflow output end of the airflow guiding fan, an air duct inlet of the airflow guiding suction duct is close to the material conveying neutral position, and an air duct outlet of the airflow guiding outlet duct faces the front end of the belt conveyor main body.
5. The butt joint structure of the odor leakage prevention type belt conveyor bin gate of the aerobic fermentation bin as claimed in claim 4, wherein an upper bracket is connected to an inner wall of an upper portion of the rigid housing, and a housing of the airflow drainage fan is fixed to the upper bracket.
6. The anti-odor leakage type belt conveyor bin door butt joint structure of the aerobic fermentation bin as claimed in claim 4, wherein the air duct inlet of the airflow guiding and air sucking duct is a rectangular air duct inlet matched with the material conveying neutral stop in shape and size.
7. The anti-odor leakage type belt conveyor bin gate butt joint structure of the aerobic fermentation bin as claimed in claim 4, wherein a lower bracket is connected to the lower inner wall of the rigid housing, an air knife is arranged on the lower bracket, and an air outlet edge of the air knife points to the surface of the annular conveyor belt at the lower end of the belt conveyor main body.
8. The butt joint structure of the odor-proof belt conveyor bin gate of the aerobic fermentation bin, as claimed in claim 7, wherein the rigid housing is a rectangular opening housing adapted to the rectangular material inlet and outlet door of the aerobic fermentation bin, the airflow diversion outlet duct includes a pair of branch outlet ducts connected to the airflow output end of the airflow diversion fan, and a pair of sealed air-storage inner outlet ducts disposed at two sides of the rectangular housing, the pair of branch outlet ducts are correspondingly connected to the pair of sealed air-storage inner outlet ducts, and two ends of the air knife are provided with a pair of air knife inlets, and the pair of air knife inlets are correspondingly communicated with the pair of sealed air-storage inner outlet ducts.
9. The anti-odor leakage type belt conveyor bin gate butt joint structure of the aerobic fermentation bin as claimed in claim 7, wherein the aerobic fermentation bin is connected with a micro-negative pressure purification system.
10. The structure of claim 7, wherein the belt conveyor is used for conveying materials in the aerobic fermentation chamber, and the method for preventing odor from leaking out comprises:
(1) preparing a conveyor: the belt conveyor moves to a material inlet and outlet door of the aerobic fermentation bin;
(2) opening a bin gate: opening a material inlet and outlet door of the micro-negative pressure aerobic fermentation bin;
(3) butt joint of a belt conveyor and a bin gate: after the material inlet and outlet door is opened, the belt conveyor is rapidly moved, so that the front end of the main body of the belt conveyor enters the aerobic fermentation bin, meanwhile, a rigid housing arranged on the belt conveyor covers the bin opening of the material inlet and outlet door of the aerobic fermentation bin, and the periphery of the bin opening of the material inlet and outlet door is sealed by using a corrugated pipe and a magnetic sealing gasket at the front end of the rigid housing;
(4) airflow drainage: an airflow drainage fan is started, and under the action of the airflow drainage fan, a material conveying neutral position formed between the upper side window edge of the rectangular window of the rigid housing and the upper end of the belt conveyor main body generates negative pressure, so that the leakage of peculiar smell gas in the aerobic fermentation bin is effectively prevented;
(5) Conveying materials: starting a belt conveyor to convey the materials, and conveying the materials into an aerobic fermentation bin or conveying the materials out of the aerobic fermentation bin; in the material conveying process, gas at the material conveying neutral position is sucked away by the airflow drainage fan through the airflow drainage air suction duct, so that negative pressure is formed at the material conveying neutral position, and further peculiar smell gas in the aerobic fermentation bin is effectively prevented from leaking; the air at the material conveying neutral position sucked away by the airflow drainage fan is conveyed to the inside of the air knife through the airflow drainage air outlet channel and then is blown out from the air outlet knife edge of the air knife, and the material particles adhered to the lower end face of the annular conveying belt are blown into the aerobic fermentation bin by the air blown out from the air knife, so that the cleaning effect of the annular conveying belt is realized.
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