CN114671188B - Butt joint structure of bin gate of anti-odor leakage type belt conveyor of aerobic fermentation bin - Google Patents
Butt joint structure of bin gate of anti-odor leakage type belt conveyor of aerobic fermentation bin Download PDFInfo
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- CN114671188B CN114671188B CN202210237195.6A CN202210237195A CN114671188B CN 114671188 B CN114671188 B CN 114671188B CN 202210237195 A CN202210237195 A CN 202210237195A CN 114671188 B CN114671188 B CN 114671188B
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Classifications
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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
-
- 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
Abstract
The invention discloses an anti-odor leakage type belt conveyor bin door butt joint structure of an aerobic fermentation bin, which comprises a frame, a belt conveyor main body arranged on the frame, an annular conveying belt arranged on the belt conveyor main body in a surrounding movement mode, and a rigid cover shell fixed on the frame, wherein the rigid cover shell is vertically arranged, a rectangular window is arranged in the middle of the rigid cover shell, the front end of the belt conveyor main body penetrates through the rectangular window in the horizontal direction, the mouth of the rigid cover shell faces the front end direction of the belt conveyor main body, and a material conveying neutral gear for passing materials is arranged between the upper side window edge of the rectangular window of the rigid cover shell and the upper end of the belt conveyor main body. The invention can effectively prevent the odor from overflowing when the materials enter and exit 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 a bin door butt joint structure of an anti-odor leakage type belt conveyor of an aerobic fermentation bin.
Background
The cow bed is a main living area of cows, and the comfort level of cow bedding directly influences the rest and ruminant of the cows, thereby influencing the production performance and pasture economic benefits. The selection of the cow mattress material is considered from three aspects of ensuring the health of cows, improving the comfort level of the cows and not affecting the normal operation of the subsequent fecal sewage treatment equipment.
Common bovine mattress materials are sand, sandy soil, rice hulls, rubber mats and the like, and each has advantages and disadvantages.
For sand litter, the microbial flora is difficult to grow in such litter without posing a threat to cow health. Meanwhile, the sand has the characteristic of good water permeability, is not easy to harden, and can not cause injury to the limbs and the hooves of the dairy cows. However, sand can be mixed with cow dung, so that the subsequent treatment equipment of the dung is severely worn or even damaged. In addition, sand has a selling price of 50 to 70 yuan per cubic meter, and the cost of using the sand as a padding is relatively high.
Like sand, the sandy soil can also maintain the dry sanitary environment of the cow bed, but is easy to harden into blocks, which is easy to cause the injury of the limbs and the hooves of the cows, and is also unfavorable for the subsequent fecal sewage treatment. Each cow is about 20 kg of sandy soil padding per day, and the cost is slightly lower than that of sand.
The rice hulls can create a comfortable environment for cows, and have no adverse effect on subsequent fecal treatment, but the proliferation of microbial flora is easy to cause due to the organic characteristics of the rice hulls, which may have adverse effect on the health of cows. In addition, the selling price of the rice hulls is 400-600 yuan/ton, and the cost is high. The characteristics of straw, sawdust and other materials used as padding are consistent with those of rice hull padding, and the cost is high.
The rubber pad is a novel cow mattress material, is paved on a cement cow bed generally, has the advantages of convenient use, simple maintenance and the like, can also have the antibacterial characteristic by adding special technology, but the rubber pad can abrade the limb hoofs of cows, has adverse effects on the health of the cows, and is expensive in cost.
Aiming at the problems, an intelligent production system for the bedding padding of the cattle farm based on the recycling of the cattle manure is developed, and the intelligent and automatic equipment is integrated in a micro-negative-pressure type aerobic fermentation bin, so that the automation of the aerobic fermentation of the cattle manure is realized. The produced cow mattress material can ensure the health of cows, improve the comfort of the cows, reduce limb and hoof diseases and is easy to treat excrement.
The intelligent production system for the bedroom padding in the cattle farm is provided with a belt conveyor for conveying materials. The main function of the belt conveyor is to convey materials into the micro negative pressure type aerobic fermentation bin, or convey the fermented finished product 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 gate of the micro-negative pressure type aerobic fermentation bin is required to be opened, then the front end head of the cantilever type belt conveyor is extended into the bin, the cantilever type belt conveyor is reset after the material is conveyed, and then the bin gate of the micro-negative pressure type aerobic fermentation bin is closed.
For a large-scale aerobic fermentation bin, as the material conveying amount is large, the time spent for material to enter and exit is long, and the bin gate 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 gradually disappears to become positive pressure, so that the odor in the bin overflows, and a certain environmental pollution is caused. Therefore, a structure for butt-jointing the bin gate of the anti-odor leakage type belt conveyor of the aerobic fermentation bin is designed.
Disclosure of Invention
In order to solve the problems, the invention provides a butt joint structure of a bin gate of an anti-odor leakage type belt conveyor of an aerobic fermentation bin, which aims to prevent the overflow of peculiar smell gas 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 anti-odor leakage type belt conveyor bin door butt joint structure of aerobic fermentation bin, includes the frame and sets up belt conveyor main part in the frame, encircle the removal setting and be in annular conveyer belt in the belt conveyor main part, fix rigid housing in the frame, rigid housing vertical setting, rectangular window has been seted up to rigid housing's centre, belt conveyor main part's front end passes along the horizontal direction rectangular window, rigid housing's oral area orientation belt conveyor main part's front end direction, the upside window limit of rigid housing's rectangular window with be provided with the material conveying neutral gear that the material passed through between the upper end of belt conveyor 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 two side window edges and the bottom window edge of the rectangular window of the rigid housing, and are respectively in sealing contact with two side surfaces of the belt conveyor main body, the lower end surface of the belt conveyor main body and the lower end surface of the annular conveying belt part below the belt conveyor main body.
In order to improve the reliability of sealing connection between the rigid housing and the bin gate part of the aerobic fermentation bin, a corrugated pipe is connected in butt joint with the mouth part of the rigid housing, and a magnetic sealing 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.
As a further improvement of the invention, an airflow guiding component is arranged in the rigid housing and above the front end part of the belt conveyor main body, the airflow guiding component comprises an airflow guiding fan, an airflow guiding and sucking duct connected with the airflow input end of the airflow guiding fan and an airflow guiding and sucking duct connected with the airflow output end of the airflow guiding fan, the air duct inlet of the airflow guiding and sucking duct is close to the material conveying neutral position, and the air duct outlet of the airflow guiding and sucking duct faces the front end direction of the belt conveyor main body. The air duct outlet of the air flow guiding and sucking duct is connected with the air flow input end of the air flow guiding fan.
In the invention, an upper bracket is connected to the inner wall of the upper part of the rigid housing, and the shell of the airflow drainage fan is fixed on the upper bracket.
In the invention, the shape and the size of the air channel inlet of the air flow drainage and suction channel are rectangular air channel inlets matched with the material conveying neutral gear.
As a further improvement of the invention, a lower bracket is connected to the inner wall of the lower part of the rigid housing, an air knife is arranged on the lower bracket, 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 rigid housing is a rectangular opening housing matched with a rectangular material inlet and outlet door of the aerobic fermentation bin, the airflow guiding and outlet air duct comprises a pair of branch air ducts connected with an airflow output end of the airflow guiding fan and a pair of airtight gas storage type inner air outlet air ducts arranged at two sides of the rigid housing, the pair of branch air ducts are correspondingly connected with the pair of airtight gas storage type inner air outlet air ducts, two ends of the air knife are provided with a pair of air knife air inlets, and the pair of air knife air inlets are correspondingly communicated with the pair of airtight gas storage type inner air outlet air ducts.
In the invention, the aerobic fermentation bin is connected with a micro negative pressure purifying system.
In the invention, the method for preventing the odor from escaping when the aerobic fermentation bin uses the belt conveyor to convey the materials comprises the following steps:
(1) Conveyor preparation: the belt conveyor moves to a material inlet and outlet door of the aerobic fermentation bin;
(2) The bin gate is opened: opening a material inlet and outlet door of the micro-negative pressure aerobic fermentation bin;
(3) Butt joint of belt conveyor and bin gate: after the material inlet and outlet bin gate 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, and meanwhile, a rigid cover shell arranged on the belt conveyor covers the bin opening of the material inlet and outlet bin gate of the aerobic fermentation bin, and the periphery of the bin opening of the material inlet and outlet bin gate is sealed by a corrugated pipe and a magnetic sealing gasket at the front end of the rigid cover shell;
(4) Airflow drainage: the airflow drainage fan is started, and under the action of the airflow drainage fan, negative pressure is generated at 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, so that the leakage of peculiar smell gas in the aerobic fermentation bin is effectively prevented;
(5) And (3) material conveying: starting a belt conveyor to convey 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, the gas at the neutral position of the material conveying is sucked away by the airflow guiding fan through the airflow guiding suction duct, so that negative pressure is formed at the neutral position of the material conveying, and the leakage of the peculiar smell gas in the aerobic fermentation bin is effectively prevented; the air at the material conveying neutral position sucked by the air flow guiding fan is conveyed into the air knife through the air flow guiding air outlet channel, and then is blown out from the air outlet knife edge of the air knife, and the air blown out from the air knife blows the material particles adhered to the lower end surface of the annular conveying belt into the aerobic fermentation bin, so that the cleaning effect of the annular conveying belt is realized.
Preferably, an electric air door capable of adjusting air quantity is arranged on the air flow drainage and suction channel so as to prevent the pressure in the aerobic fermentation bin from gradually rising to become positive pressure caused by overlarge air quantity, thereby ensuring micro negative pressure balance in the aerobic fermentation bin.
Preferably, an air flow distribution chamber is arranged on a section of air flow diversion and suction duct between the electric air door and the air duct inlet of the air flow diversion and 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 air flow distribution chamber is arranged to ensure that the negative pressure at the air channel inlet of the air flow diversion and suction 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 air quantity adjustment.
Because the area of the air outlet edge of the air knife is relatively smaller, under the action of the air flow diversion fan, the air entering the inner cavity of the air knife from the air flow diversion air outlet channel can form a supercharging 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 air blown out from the air outlet knife edge of the air knife in the continuous conveying process of the materials can realize the cyclic heating when the annular conveying belt moves, so that the particle materials adhered on the annular conveying belt are dried in advance, and the particles are blown out from the air outlet knife edge of the air knife under the strong blowing of the hot air to accelerate the falling.
Preferably, the belt conveyor is a mobile belt conveyor with brake casters.
Preferably, the belt conveyor is a cantilever belt conveyor.
Preferably, the material inlet and outlet doors of the aerobic fermentation bin are electric bin doors, a proximity sensor is arranged at the front end of the mobile belt conveyor main body, and the electric bin doors and the proximity sensor are respectively connected with an MCU controller; when the front end of the movable belt conveyor or the cantilever belt conveyor is close to the electric bin gate, the electric bin gate is quickly 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 beneficial effects of the invention are as follows:
firstly, according to the anti-odor leakage type belt conveyor door butt joint structure of the aerobic fermentation bin, the specially designed housing structure is arranged on the belt conveyor, so that most of the door can be closed, and a material conveying neutral gear is reserved, so that the risk of leakage of peculiar smell is reduced, and the environmental protection performance of the aerobic fermentation bin is improved.
Secondly, according to the anti-odor leakage type belt conveyor door butt joint structure of the aerobic fermentation bin, the air flow guide assembly is arranged in the rigid housing, so that air pressure of a material conveying neutral gear can be ensured to be negative pressure all the time, and the reliability of preventing the overflow of peculiar smell in the aerobic fermentation bin is further improved.
Thirdly, according to the anti-odor leakage type belt conveyor door butt joint structure of the aerobic fermentation bin, the air knife is arranged at the outlet of the lower conveying belt of the belt conveyor, and air flow led out by the air flow guiding fan enters the air knife through the pair of branched air channels, so that the cleaning effect on adhered materials on the conveying belt is realized.
Fourth, according to the anti-odor leakage type belt conveyor door butt joint structure of the aerobic fermentation bin, the electric heating element (the electric heating wire or the ceramic heating element) is arranged in the air knife, so that the air blown out from the air knife can circularly heat the conveyor belt, and the particle materials adhered to the annular conveyor belt are dried in advance, and the forced blowing of hot air blown out from the air outlet knife edge of the air knife can be accelerated to drop.
Drawings
FIG. 1 is a schematic diagram of a structure of a butt joint structure of a bin gate of an anti-odor leakage type belt conveyor of an aerobic fermentation bin;
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 view of a further modification of 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 view of the relative positional relationship between the rigid housing and the airflow directing blower and 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 gate, 12, a magnetic sealing gasket, 13, an airflow guiding component, 14, an airflow guiding fan, 15, an airflow guiding and sucking channel, 16, an airflow guiding and outlet channel, 17, an upper bracket, 18, an air channel outlet of the airflow guiding and sucking channel, 19, an air channel inlet of the airflow guiding and sucking channel, 20, a lower bracket, 21, an air knife, 22, an air outlet knife edge, 23, a branch air outlet channel, 24, a closed air storage type inner air outlet channel, 25, an air knife air inlet, 26, a brake caster, 27, an electric air door, 28 and an airflow distribution chamber.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 7, an embodiment of a gas leakage prevention type belt conveyor door butt joint structure of an aerobic fermentation bin comprises a frame 2, a belt conveyor main body 3 arranged on the frame 2, an annular conveying belt 4 arranged on the belt conveyor main body 3 in a surrounding moving mode, and a rigid housing 5 fixed on the frame 2, wherein the rigid housing 5 is vertically arranged, a rectangular window 6 is formed 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 the horizontal direction, the mouth of the rigid housing 5 faces the front end direction of the belt conveyor main body 3, and a material conveying neutral gear 7 for passing materials is arranged 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.
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 two side window edges and the bottom window edge of the rectangular window 6 of the rigid housing 5, and the flexible sealing strips 8 are respectively 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 part below the belt conveyor main body 3.
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 opening 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 for sealing butt joint with the material inlet and outlet door 11 of the aerobic fermentation chamber 10.
As a further improvement of the embodiment, an airflow guiding component 13 is arranged in the rigid housing 5 and above the front end of the belt conveyor main body 3, the airflow guiding component 13 comprises an airflow guiding fan 14, an airflow guiding and sucking duct 15 connected to the airflow input end of the airflow guiding fan 14, and an airflow guiding and sucking duct 16 connected to the airflow output end of the airflow guiding fan 14, the duct inlet 19 of the airflow guiding and sucking duct 15 is close to the material conveying neutral gear 7, and the duct outlet of the airflow guiding and sucking duct 16 faces the front end of the belt conveyor main body 3. The air duct outlet 18 of the air flow guiding and sucking duct 15 is connected with the air flow input end of the air flow guiding fan 14.
In this embodiment, an upper bracket 17 is connected to the upper inner wall of the rigid housing 5, and the housing of the air flow guiding fan 14 is fixed to the upper bracket 17.
In this embodiment, the shape and size of the air channel inlet 19 of the air flow guiding and sucking channel 15 is a rectangular air channel inlet adapted to the material conveying neutral gear 7.
As a further improvement of the embodiment, a lower bracket 20 is connected to the lower inner wall of the rigid housing 5, an air knife 21 is arranged on the lower bracket 20, and an air outlet knife edge 22 of the air knife 21 points to the surface of the annular conveying belt 4 at the lower end of the belt conveyor main body 3.
Preferably, the rigid housing 5 is a rectangular opening housing adapted to a rectangular material inlet and outlet door of the aerobic fermentation chamber 10, the airflow drainage air outlet 16 includes a pair of branched air outlet channels 23 connected to an airflow output end of the airflow drainage fan 14, and a pair of airtight air storage type inner air outlet channels 24 disposed at two sides of the rigid housing 5, the branched air outlet channels 23 are correspondingly connected to the pair of airtight air storage type inner air outlet channels 24, two ends of the air knife 21 are provided with a pair of air knife air inlets 25, and the pair of air knife air inlets 25 are correspondingly communicated with the pair of airtight air storage type inner air outlet channels 24.
In this embodiment, the aerobic fermentation chamber 10 is connected with a micro negative pressure purifying system.
In this embodiment, the method for preventing the odor from escaping when the aerobic fermentation chamber 10 uses the belt conveyor 1 to convey the material is as follows:
(1) Conveyor preparation: the belt conveyor 1 moves to the position of a material inlet and outlet bin gate 11 of the aerobic fermentation bin 10;
(2) The bin gate is opened: opening a material inlet and outlet door 11 of the micro-negative pressure aerobic fermentation bin 10;
(3) Butt joint of belt conveyor and bin gate: after the material inlet and outlet bin gate 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, the rigid cover shell 5 arranged on the belt conveyor 1 covers the bin opening of the material inlet and outlet bin gate 11 of the aerobic fermentation bin 10, and the corrugated pipe 9 and the magnetic sealing gasket 12 at the front end of the rigid cover shell 5 are utilized to seal the periphery of the bin opening of the material inlet and outlet bin gate 11;
(4) Airflow drainage: the air flow diversion fan 14 is started, and under the action of the air flow diversion fan 14, the negative pressure is generated at the material conveying neutral gear 7 part 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, so that the leakage of the peculiar smell gas in the aerobic fermentation bin 10 is effectively prevented;
(5) And (3) material conveying: starting a belt conveyor 1 to convey materials, and conveying the materials into an aerobic fermentation bin 10 or conveying the materials in the aerobic fermentation bin 10 out; in the material conveying process, the gas at the position of the material conveying neutral gear 7 is sucked away by the airflow guiding blower 14 through the airflow guiding suction duct 15, so that negative pressure is formed at the position of the material conveying neutral gear 7, and the leakage of the peculiar smell gas in the aerobic fermentation bin 10 is effectively prevented; the air at the position of the material conveying neutral gear 7 sucked by the air flow guiding fan 14 is sent to the inside of the air knife 21 through the air flow guiding air duct 16, and then is 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 surface 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, an electric air door 27 capable of adjusting air quantity is arranged on the air flow guiding and sucking duct 15, so as to prevent the pressure in the aerobic fermentation bin 10 from gradually rising to become positive pressure caused by overlarge air quantity, thereby ensuring micro negative pressure balance in the aerobic fermentation bin 10.
Preferably, an airflow distribution chamber 28 is provided on a section of the airflow guiding and sucking duct 15 between the electric damper 27 and the duct inlet 19 of the airflow guiding and sucking duct 15, a partition plate is provided 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 uniformly distribute negative pressure at the air duct inlet 19 of the airflow diversion and suction duct 15.
Preferably, an air pressure sensor is arranged in the aerobic fermentation chamber 10, and the air pressure sensor and the electric air door 27 are respectively connected with an MCU controller to optimize the air quantity adjustment.
Because the air outlet edge area of the air knife 21 is relatively small, under the action of the air flow guiding fan 14, the air flowing out of the air flow guiding air duct 16 from the air flow can form a supercharging 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 air 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 particle materials adhered to the annular conveying belt 4 are dried in advance, and the particle materials are blown off by the strong force of hot air blown out from the air outlet knife edge 22 of the air knife 21 and fall off in an accelerating manner.
Preferably, the belt conveyor 1 is a mobile belt conveyor with braked casters 26.
Preferably, the belt conveyor 1 is a cantilever belt conveyor.
Preferably, the material inlet and outlet door 11 of the aerobic fermentation bin 10 is an electric bin door, a proximity sensor is arranged at the front end of the mobile belt conveyor main body 3, and the electric bin door and the proximity sensor are respectively connected with an MCU controller; when the front end of the movable belt conveyor 1 or the cantilever belt conveyor 1 is close to the electric bin gate, the electric bin gate is quickly and automatically opened, so that the butt joint of the belt conveyor 1 and the material inlet and outlet bin gate 11 can be accelerated, and the micro negative pressure loss in the aerobic fermentation bin 10 is reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The utility model provides an anti-odor leakage type belt conveyor bin door butt joint structure of aerobic fermentation bin, which is characterized by comprising a frame, a belt conveyor main body arranged on the frame, an annular conveying belt arranged on the belt conveyor main body in a surrounding movement manner, and a rigid housing fixed on the frame, wherein the rigid housing is vertically arranged, a rectangular window is arranged in the middle of the rigid housing, the front end of the belt conveyor main body passes through the rectangular window along the horizontal direction, the mouth of the rigid housing faces the front end direction of the belt conveyor main body, and a material conveying neutral gear for passing materials 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;
an air flow guiding component is arranged in the rigid housing and above the front end of the belt conveyor main body, and comprises an air flow guiding fan, an air flow guiding and sucking channel connected with the air flow input end of the air flow guiding fan and an air flow guiding and sucking channel connected with the air flow output end of the air flow guiding fan, wherein the air channel inlet of the air flow guiding and sucking channel is close to the material conveying neutral position, and the air channel outlet of the air flow guiding and sucking channel faces to the front end of the belt conveyor main body; a lower bracket is connected to the inner wall of the lower part of the rigid housing, an air knife is arranged on the lower bracket, 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;
the rigid housing is a rectangular opening housing matched with a rectangular material inlet and outlet door of the aerobic fermentation bin, the airflow guiding and discharging air duct comprises a pair of branch air ducts connected with an airflow output end of the airflow guiding fan and a pair of airtight gas storage type inner air outlet ducts arranged at two sides of the rigid housing, the pair of branch air ducts are correspondingly connected with the pair of airtight gas storage type inner air outlet ducts, two ends of the air knife are provided with a pair of air knife air inlets, and the pair of air knife air inlets are correspondingly communicated with the pair of airtight gas storage type inner air outlet ducts.
2. The structure for abutting against the door of the belt conveyor for preventing the odor leakage of the aerobic fermentation chamber according to claim 1, wherein flexible sealing strips are arranged on two side window edges and a bottom window edge of the rectangular window of the rigid housing, and are respectively in sealing contact with two side surfaces of the belt conveyor body, the lower end surface of the belt conveyor body and the lower end surface of the annular conveying belt part below the belt conveyor body.
3. The structure for abutting against the bin gate of the anti-odor leakage type belt conveyor of the aerobic fermentation bin according to claim 1, wherein a corrugated pipe is in abutting joint with the mouth part of the rigid housing, and a magnetic sealing gasket for sealing and abutting against the material inlet and outlet bin gates of the aerobic fermentation bin is arranged at the front end of the corrugated pipe.
4. The structure for abutting against a door of a belt conveyor for preventing the leakage of a gas flavor of an aerobic fermentation tank according to claim 1, wherein an upper bracket is connected to an inner wall of an upper portion of the rigid housing, and a housing of the gas flow guiding fan is fixed to the upper bracket.
5. The structure for abutting against the bin gate of the anti-odor leakage type belt conveyor of the aerobic fermentation bin according to claim 1, wherein the shape and the size of the air channel inlet of the airflow drainage air suction channel are rectangular air channel inlets matched with the material conveying neutral gear.
6. The structure for abutting against the bin gate of the anti-odor leakage type belt conveyor of the aerobic fermentation bin according to claim 1, wherein the aerobic fermentation bin is connected with a micro negative pressure purifying system.
7. The structure for abutting against a door of an anti-odor leakage type belt conveyor of an aerobic fermentation chamber according to claim 1, wherein the method for preventing odor leakage during material transportation by the belt conveyor of the aerobic fermentation chamber comprises the following steps:
(1) Conveyor preparation: the belt conveyor moves to a material inlet and outlet door of the aerobic fermentation bin;
(2) The bin gate is opened: opening a material inlet and outlet door of the micro-negative pressure aerobic fermentation bin;
(3) Butt joint of belt conveyor and bin gate: after the material inlet and outlet bin gate 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, and meanwhile, a rigid cover shell arranged on the belt conveyor covers the bin opening of the material inlet and outlet bin gate of the aerobic fermentation bin, and the periphery of the bin opening of the material inlet and outlet bin gate is sealed by a corrugated pipe and a magnetic sealing gasket at the front end of the rigid cover shell;
(4) Airflow drainage: the airflow drainage fan is started, and under the action of the airflow drainage fan, negative pressure is generated at 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, so that the leakage of peculiar smell gas in the aerobic fermentation bin is effectively prevented;
(5) And (3) material conveying: starting a belt conveyor to convey 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, the gas at the neutral position of the material conveying is sucked away by the airflow guiding fan through the airflow guiding suction duct, so that negative pressure is formed at the neutral position of the material conveying, and the leakage of the peculiar smell gas in the aerobic fermentation bin is effectively prevented; the air at the material conveying neutral position sucked by the air flow guiding fan is conveyed into the air knife through the air flow guiding air outlet channel, and then is blown out from the air outlet knife edge of the air knife, and the air blown out from the air knife blows the material particles adhered to the lower end surface of the annular conveying belt into the aerobic fermentation bin, so that the cleaning effect of the annular conveying belt is realized.
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| CN202210237195.6A CN114671188B (en) | 2022-03-10 | 2022-03-10 | Butt joint structure of bin gate of anti-odor leakage type belt conveyor of aerobic fermentation bin |
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| CN202210237195.6A CN114671188B (en) | 2022-03-10 | 2022-03-10 | Butt joint structure of bin gate of anti-odor leakage type belt conveyor of aerobic fermentation bin |
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