CN212109427U

CN212109427U - Hot air drying production device for cow bed recycled padding with adjustable temperature and humidity

Info

Publication number: CN212109427U
Application number: CN202020207483.3U
Authority: CN
Inventors: 段娜; 李欣瑜; 李柯萍; 刘天明; 周婧; 李正浩
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-08
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a dirty resource utilization equipment technical field of beasts and birds excrement especially relates to a humiture adjustable bed regeneration bedding hot air drying apparatus for producing. The device includes the box, the transfer unit, hot air drying unit and wet curtain unit, be equipped with the feed inlet on the box, the discharge gate, gas vent and at least one air intake, the transfer unit is located in the box, and the transfer unit corresponds the setting with feed inlet and discharge gate respectively along direction of transfer's both ends, cow dung coming in from the feed unit enters into the transfer unit from the feed inlet, under the conveying action of transfer unit, spread through discharge unit from the discharge gate, the outside of box is located to hot air drying unit, and through wind channel and air intake connection, be equipped with the wet curtain unit that can open and close in the wind channel. The device can be according to the temperature and the humidity of operation needs real-time and accurate control air current, become wet through the alternating temperature and carry out the sterilization and the drying of cow dung to the structure is simplified, has improved leakproofness and production efficiency.

Description

Hot air drying production device for cow bed recycled padding with adjustable temperature and humidity

Technical Field

The utility model relates to a dirty resource utilization equipment technical field of beasts and birds excrement especially relates to a humiture adjustable bed regeneration bedding hot air drying apparatus for producing.

Background

The rapid development of the large-scale dairy farm puts forward higher requirements for the treatment of the feces in the dairy farm. At present, the utilization mode of the excrement in the dairy farm mainly comprises anaerobic fermentation, composting and the production of the regenerative bedding of the cow bed. The method for producing the padding by using the excrement is a novel excrement resource utilization mode, solves the problem of excrement treatment in the dairy farm, and can provide padding with sufficient sources for the dairy farm. The mode that current cattle bed bedding material production preparation adopted includes that excrement and urine solid-liquid separation uses, and solid cow dung is makeed the bedding material through drum-type aerobic fermentation sterilization and solid cow dung is used for the bedding material after anaerobic fermentation. The safety and the water content are two important indexes of the bed regeneration padding material produced by the solid cow dung, and the safety and the comfort of the subsequent padding material application are determined.

However, the existing cattle bed padding production system generally has the problems of high cost, long treatment time, substandard moisture content of padding finished products, incomplete sterilization and disinfection and the like in the padding production process by using solid cattle manure. The method specifically comprises the following steps: 1. the production procedures are various, the operation is complex, and the product characteristics are unstable; 2. the overall energy consumption of the system is high; in addition, a multilayer mesh belt type hot air dryer adopts the combination of a multilayer mesh belt type transmission technology and a hot air drying technology, and has the advantages of short treatment time, low cost and simplified production procedure compared with the existing cattle bed padding regeneration system, but still has the following defects: 1. the hot air device heats, so that the problems of uneven heating, easy occurrence of the phenomenon of crust on the surface of cow dung, influence on the sterilization effect and high energy consumption exist; 2. the device has insufficient sealing property, is provided with excessive openings communicated with the outside, continuously dissipates a large amount of water vapor heat, and increases energy consumption loss.

To sum up, current cattle bed bedding material regeneration system leads to the bedding material finished product moisture content not up to standard because of above-mentioned defect easily, and the disinfection of disinfecting is not thorough, problem that processing time is long still leads to this system when drying and disinfecting cow dung easily, and the heat input is big, the dissipation is serious, production efficiency is low, and the leakproofness is not enough.

SUMMERY OF THE UTILITY MODEL

Technical purpose

The technical purpose of the utility model is to provide a humiture adjustable cattle bed regeneration bedding and padding hot air drying apparatus for producing, the easy bedding and padding finished product moisture content that leads to that exists among the current cattle bed bedding and padding regeneration system is not up to standard at least, the disinfection of disinfecting is not thorough, the problem that processing time is long, when solving current cattle bed bedding and padding regeneration system and drying and disinfecting cow dung simultaneously, the heat drops into big, the dissipation is serious, production efficiency is low, and the not enough problem of leakproofness.

(II) technical scheme

In order to solve the technical problem, the utility model provides a humiture adjustable cattle bed regeneration bedding and padding hot air drying apparatus for producing, include:

the box body is provided with a feeding hole, a discharging hole, an exhaust hole and at least one air inlet;

the conveying unit is arranged in the box body, two ends of a conveying track of the conveying unit are respectively a starting end and an ending end, the starting end is arranged corresponding to the feeding hole, and the ending end is arranged corresponding to the discharging hole;

and the hot air drying unit is arranged outside the box body and is connected with the air inlet through an air duct, and a wet curtain unit capable of being opened and closed is arranged in the air duct.

In some embodiments, the wet curtain unit comprises:

the connecting rod mechanism specifically comprises a wet curtain component for forming a wet curtain and two transmission rods respectively and movably hinged to two ends of the wet curtain component, and one ends, far away from the wet curtain component, of the two transmission rods are respectively and movably hinged to the top and the bottom of the air duct;

the water injection mechanism comprises a water injector and a water injection pipeline, the water injection pipeline is transversely arranged at the top of the wet curtain component, one end of the water injection pipeline is connected with the water injector, and a plurality of water injection ports are distributed on the pipe wall of the water injection pipeline;

the safety cover, connect in the bottom in wind channel, be equipped with in the safety cover and be used for accomodating wet curtain subassembly and the space of collecting the return water, the space pass through the return water pipeline with the water injector is connected.

In some embodiments, the conveying unit includes a plurality of first conveyor belts, the first conveyor belts are arranged in the box body at intervals from top to bottom, conveying directions of two adjacent first conveyor belts are opposite, and the first conveyor belts form an S-shaped conveying track together.

In some embodiments, the conveying unit further includes a baffle, the baffle is disposed between a top plate of the box body and the first conveying belt on the uppermost layer, the width of the baffle is greater than or equal to the width of the first conveying belt, the baffle is vertically disposed, a gap exists between the baffle and the first conveying belt on the uppermost layer, and the size of the gap is adjustable.

In some embodiments, the device further comprises a feeding unit, wherein the feeding unit comprises a second conveyor belt connected with the feeding port, and a feeding hopper arranged on the second conveyor belt.

In some embodiments, the apparatus further comprises an outfeed unit, the outfeed unit comprising:

the discharging slide rail is laid below the end of the conveying unit and connected with the discharging port;

the scraping plate is arranged below the conveying unit, an elastic pad is arranged at the bottom end of the scraping plate, and the bottom end of the elastic pad is in contact with the discharging slide rail;

the discharging box is arranged on the discharging slide rail and is positioned between the scraping plate and the discharging port, and the discharging box can move towards the discharging port under the driving action of the discharging slide rail.

In some embodiments, the discharging slide rail comprises a driving roller, a driven roller, a motor, a controller and a third conveyor belt connected between the driving roller and the driven roller, wherein the upper surface of the third conveyor belt is laid at the bottom of the box body and is positioned between the lower part of the end of the conveying unit and the discharging port; the motor is connected with the driving roller, and the controller is connected with the motor.

In some embodiments, the discharge port is provided with a bin gate which can be opened and closed.

In some embodiments, the box body is further provided with at least one air outlet, the air inlet is arranged on one side surface of the box body, and the air outlet is arranged on the upper part of the other side surface of the box body.

In some embodiments, the hot air drying unit further includes a blower, a hot air duct, and an air supply branch pipe, which are connected in sequence, wherein a heater is disposed in the hot air duct, and the air supply branch pipe is connected to the air duct.

(III) advantageous effects

The above technical scheme of the utility model following beneficial effect has: the utility model relates to a humiture adjustable cattle bed regeneration bedding hot air drying production device, which comprises a box body, a conveying unit, a hot air drying unit and a wet curtain unit, wherein the box body is provided with a feed inlet, a discharge outlet, an exhaust port and at least one air inlet, the conveying unit is arranged in the box body, the two ends of the conveying unit along the conveying direction are respectively arranged corresponding to the feed inlet and the discharge outlet, cow dung coming in from the feed inlet unit enters the conveying unit from the feed inlet, the cow dung comes out from the discharge outlet through the discharge outlet unit under the conveying action of the conveying unit, the hot air drying unit is arranged outside the box body and is connected with the air inlet through an air duct, the air duct is internally provided with the openable wet curtain unit so as to convey variable humiture and humidity variable wet air flow to the box body by utilizing the synergistic effect of the hot air drying unit and the, the temperature and humidity of the air flow can be accurately controlled in real time according to the operation requirement. According to the device, on one hand, the hot air drying unit and the wet curtain unit are nested in a structure, and the wet curtain unit is set to be an openable and closable structure, so that the temperature and humidity uniformity and controllability of input air flow in the device are improved, the processing performance of a sterilization operation stage and a dehydration operation stage is enhanced, air flow parameters can be corrected according to different stages, and the quality of padding finished products is greatly improved; on the other hand, the great simplification structure setting of the device reduces the connector of box and external equipment, effectively improves the device leakproofness, effectively reduces or even avoids the serious defect of device dissipation, improves the production efficiency of device.

Drawings

Fig. 1 is a front view of a hot air drying production device for cow bed recycled padding with adjustable temperature and humidity in an embodiment of the present invention;

fig. 2 is a side view of the cow bed recycled padding hot air drying production device with adjustable temperature and humidity of the embodiment of the utility model.

Reference numerals:

1: a feed hopper; 2: a second conveyor belt; 3: a box body; 4: a feed inlet; 5: an exhaust port; 6: a water injector; 7: a discharge slide rail; 8: a protective cover; 9: a hot air system air duct; 10: a first conveyor belt; 11: a discharging box; 12: a scraping plate; 13: a wet curtain assembly; 14: a transmission rod; 15: a discharge port; 16: air inlet, 17: water injection line, 18: a water return pipeline.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, the meaning of "plurality" and "a number" means two or more unless otherwise specified. The terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiment of the utility model provides a pair of humiture adjustable cow bed regeneration bedding hot air drying apparatus for producing (hereinafter simply referred to as device), this embodiment is with handling solid cow dung as the example, and cow dung after the device handles can regard as the regeneration bedding and padding of cow bed. Based on the device, the embodiment of the utility model also provides a ox bed regeneration bedding hot air drying production method (hereinafter simply referred to as the method).

As shown in fig. 1 and 2, the apparatus includes: a box body 3, a conveying unit and a hot air drying unit. Wherein:

the box body 3 is provided with a feed inlet 4, a discharge outlet 15 and at least one air inlet 16; further, the box body is also provided with at least one exhaust port 5. Preferably, the air inlet 16 is formed at one side of the case 3, and the air outlet 5 is formed at an upper portion of the other side of the case to facilitate convection of air flow in the case 3.

The conveying unit is arranged in the box body 3, two ends of a conveying track of the conveying unit are respectively a starting end and an ending end, the starting end is arranged corresponding to the feeding hole 4, and the ending end is arranged corresponding to the discharging hole 15.

And the hot air drying unit is arranged outside the box body 3 and is connected with the air inlet 16 through an air duct 9, and a wet curtain unit which can be opened and closed is arranged in the air duct 9.

It can be understood that, in the hot air drying production process of the cow bed recycled padding material described in this embodiment, the raw material entering the device is cow dung after solid-liquid separation, the product of the device is recycled padding material, and the intermediate product is located on the conveying unit in the box body 3 of the device.

Understandably, the preferred vertical cabinet body structure of cuboid that is of box 3, one side of 3 roof of box is located to feed inlet 4, discharge gate 15 corresponds on the lower part lateral wall of locating 3 opposite sides of box, the back of box 3 is located to air intake 16, positive upper portion of box 3 is located to gas vent 5, in order to guarantee to form the convection current in box 3, make high temperature air current get into the box 3 back from the box 3 lower part, can upwards pass behind the intermediate product on the conveying unit from gas vent 5 discharge, guarantee that the air current is more abundant and even to the sterilization and the drying action that intermediate product produced, in order to improve the quality of output product.

It can be understood that, in order to facilitate the transportation of raw materials and produced products, the apparatus of the embodiment further comprises a feeding unit and a discharging unit, wherein the feeding unit is arranged outside the box body 3 and is connected with the feeding port 4; the discharging unit is arranged inside the box body 3 and is connected with the discharging port 15. The feeding unit is used for conveying the cow dung subjected to solid-liquid separation to the feeding hole 4, and the discharging unit is used for outputting the regenerated padding treated in the box body 3 to the outside of the device.

In the device described in this embodiment, cow dung enters the conveying unit in the box body 3 from the feeding port 4, and is conveyed out of the device from the discharging port 15 under the conveying action of the conveying unit. Because the hot air drying unit is communicated with the air inlet 16 through the air duct 9 at the air inlet 16 of the box body 3, and the openable wet curtain unit is arranged in the air duct 9, under the action of the hot air drying unit, the opening, closing and adjustment of the wet curtain unit are matched, so that variable-temperature and variable-humidity air flow can be conveyed to intermediate products conveyed on the conveying unit to realize the effects of sterilization and drying in stages, the uniformity and controllability of the temperature and humidity of the input air flow in the device are improved, the processing performance of the sterilization operation stage and the dehydration operation stage are enhanced, the air flow parameters can be corrected in different stages, and the quality of finished padding products is greatly improved; the air for drying and sterilizing is exhausted from the exhaust port 5, so that the secondary wetting of the dried regenerated padding is avoided.

In one embodiment, the wet curtain unit includes a linkage mechanism, a water injection mechanism, and a protective cover 8. The wet curtain unit can cover the cross section of the air duct 9 (namely, vertical to the ground) when being started, so that the air flow passing through the air duct 9 enters the box body 3 after passing through the wet curtain unit; wet curtain unit can contract to in the safety cover 8 when closing to guarantee that the air current in wind channel 9 of flowing through can not receive the influence of wet curtain unit, thereby effectively reduce the water content (humidity promptly) of air current, can guarantee the working life of wet curtain simultaneously.

As shown in fig. 2, the link mechanism of the embodiment specifically includes a wet curtain assembly 13 for forming a wet curtain, and two transmission rods 14 movably hinged at two ends of the wet curtain assembly 13, wherein one ends of the two transmission rods 14 far away from the wet curtain assembly 13 are movably hinged at the top and the bottom of the air duct 9, respectively, so that the wet curtain assembly 13 can be opened and closed up and down by the transmission rods 14.

It will be appreciated that in order to ensure that the wet curtain formed on the wet curtain assembly 13 covers the cross section of the air duct 9, it is preferable that the wet curtain assembly is a frame having the same area as the cross section of the air duct 9. In order to facilitate the movable opening and closing of the wet curtain unit, the two sides of the top end and the two sides of the bottom end of the frame body are respectively connected with the transmission rods 14.

As shown in fig. 1, the water injection mechanism according to the present embodiment includes a water injector 6 and a water injection line 17. Water injection pipeline 17 transversely arranges the top of wet curtain subassembly 13 in, and the one end of water injection pipeline 17 is connected with water injector 6, and it has a plurality of water filling ports to distribute on the pipe wall of water injection pipeline 17, utilizes water injector 6 to fill rivers in to water injection pipeline 17, and rivers flow out downwards from the top of wet curtain subassembly 13 from each water filling port is synchronous to form the cascade (wet curtain promptly) under the effect of dead weight on wet curtain subassembly 13. A space for collecting the backwater is also arranged in the protective cover 8, and the space can be the same as or parallel to the space for accommodating the wet curtain assembly 13; the space is connected with the water injector 6 through a water return pipeline 18, and water flow forms a wet curtain on the wet curtain component 13 and then flows into the protective cover 8, and can return to the water injector 6 through the water return pipeline 18 for recycling.

The protection cover 8 of this embodiment is connected to the bottom of wind channel 9, and is equipped with the space that is used for accomodating wet curtain subassembly 13 in the protection cover 8. As shown in fig. 2, the protective cover 8 is connected to the lower portion of the duct 9 with its opening facing upward. When the wet curtain unit is closed, the water injector 6 is closed, the driving link mechanism can do link motion in the air duct 9 and drive the wet curtain component 13 to move downwards into the protective cover 8, and the wet curtain unit is ensured not to influence the air flow in the air duct 9.

It can be understood that the wet curtain unit of the present embodiment can adjust the flow rate and the flow rate of the wet curtain by adjusting the water outlet rate of the water injector 6, so that the humidity of the air flow flowing through the air duct 9 can be accurately controlled when the wet curtain unit is started.

In one embodiment, as shown in fig. 1, the discharging unit includes a discharging slide 7, a scraper 12, and a discharging box 11. The discharge slide 7 is laid below the end of the transfer unit and is connected to the discharge opening 15. The scraping plate 12 is arranged below the conveying unit, and the scraping plate 12 is used for scraping cow dung scattered on the bottom wall of the box body 3 out of the box body 3. The elastic pad is installed to the bottom of scraping flitch 12, and the bottom and the contact of ejection of compact slide rail 7 of elastic pad, elastic pad are used for avoiding scraping flitch 12 and draw the diapire of damaging box 3. The discharging box 11 is arranged on the discharging slide rail 7 and is positioned between the scraping plate 12 and the discharging port 15, and the discharging box 11 can move from the lower end of the conveying unit to the discharging port 15 under the driving action of the discharging slide rail 7. This embodiment the structure setting of ejection of compact unit can be better reduce device and external intercommunication area, improve the seal of device to reduce 3 inside heats of box and steam loss, reduced the energy consumption, improved productivity ratio, and this ejection of compact structure cooperation foretell hot air drying unit and wet curtain unit combined action can change the original continuation operation of device into stage operation, thereby reduced the operation degree of difficulty and operating cost.

The discharging slide rail 7 comprises a driving roller, a driven roller, a motor, a controller and a third conveyor belt connected between the driving roller and the driven roller, and the upper surface of the third conveyor belt is paved at the bottom of the box body 3 and is positioned between the lower part of the end of the conveying unit and the discharging port 15; the motor is connected with the driving roller, and the controller is connected with the motor.

Understandably, in order to improve the sealing performance of the box body 3, an interlayer can be arranged at the bottom of the box body 3, a top plate of the interlayer is positioned between the lower part of the end of the conveying unit and the discharge port 15, the whole discharging slide rail 7 is arranged in the interlayer, the upper surface of the third conveying belt is flush with the top plate of the interlayer of the box body 3, so that the bottom of the discharge box 11 can be flush with the top plate of the interlayer in the moving process of the discharge box 11 under the action of the third conveying belt.

It can be understood that, in order to improve the sealing property of the case 3, an openable and closable door is provided in the discharge port 15. This door is preferred to be set up to seal structure, and the door chooses for use the iron-plated material to make, is equipped with the gyration handle on the door, and this gyration handle can be through the gyration with the door lock dead closure on 3 lateral walls of box.

In one embodiment, as shown in fig. 1, the feeding unit comprises a second conveyor belt 2 connected to the feeding opening 4, and a feeding hopper 1 provided on the second conveyor belt 2. The second conveyor belt 2 is used to convey the feed hopper 1 to the location of the feed opening 4. The second conveyor belt 2 is obliquely arranged and used for conveying the solid cow dung in the feed hopper 1 to a position of a feed port 4 on the top plate of the box body 3 from the ground.

In one embodiment, the hot air drying unit further comprises a blower and a hot air duct connected in sequence, a heater is arranged in the hot air duct, and the hot air duct is connected with the air duct 9. In this embodiment, the heating tube is a resistance wire heater, and the heater heats the gas flowing through the hot air duct. The temperature of the air flow entering the air duct 9 can be accurately regulated by regulating the power of the heater.

In one embodiment, the hot air duct is provided with an automatic regulating air distributing door, a temperature sensor and an air speed sensor, and the automatic regulating air distributing door, the temperature sensor and the air speed sensor are all arranged between the heater and the air duct. The temperature sensor and the wind speed sensor are respectively used for detecting the temperature and the wind speed of the gas entering the box body 3 and controlling the wind quantity entering the box body 3 through automatic regulation and control of the air distribution door.

In one embodiment, the apparatus further comprises a venting unit. The exhaust unit comprises a moisture exhaust air pipe, a condensing machine, a moisture exhaust fan and a gas collection purifier which are sequentially connected, the inlet of the moisture exhaust air pipe is connected with the exhaust port 5, and a dust screen is arranged at the inlet of the moisture exhaust air pipe. For avoiding cow dung secondary after the drying to soak, need in time with damp and hot air exhaust, the dust screen avoids gaseous tiny particulate matter that is taken away by hot-blast blowing-up at the discharge process, reduces the pollution to the environment, improves resource utilization efficiency. The gas enters the condensing machine through the moisture exhaust air pipe to be subjected to water-vapor separation, and then the gas enters the gas collection purifier to be collected, purified and discharged.

In one embodiment, as shown in fig. 2, the conveying unit includes a plurality of first conveyor belts 10, the plurality of first conveyor belts 10 are arranged in the box 3 at intervals from top to bottom, the conveying directions of two adjacent first conveyor belts 10 are opposite, and the plurality of first conveyor belts together form an S-shaped conveying track. The number of layers, the width and the length of the first conveyor belt 10 are adjusted according to the volume of the box body 3, and the conveying direction of the first conveyor belt 10 is controlled by a reverse rotation driving roller and a forward rotation driving roller which are connected with the first conveyor belt 10 respectively. It will be appreciated that the transfer unit is connected to an automatic control system which can adjust the speed of travel and the height in the vertical direction of the first conveyor belt 10.

In this embodiment, the number of the first conveyor belts 10 may be plural, and this embodiment is described by taking three first conveyor belts 10 shown in fig. 2 as an example. The first conveyor 10 is preferably a mesh-type conveyor having good air permeability. As shown in fig. 2, the first conveyor belt 10 at the uppermost layer is arranged close to the left, the first conveyor belt 10 at the middle layer is arranged close to the right, the first conveyor belt 10 at the lowermost layer is arranged close to the left, the feed opening 4 is arranged above the left end of the first conveyor belt 10 at the uppermost layer, cow dung falls on the left end (i.e. the starting end) of the first conveyor belt 10 at the uppermost layer after falling from the feed opening 4 under the conveying of the feeding unit, then, the first conveyor belt 10 is conveyed to the right on the uppermost layer, and then falls onto the first conveyor belt 10 in the middle layer from the first conveyor belt 10 in the uppermost layer, and is conveyed to the left along with the first conveyor belt 10 in the middle layer, falls onto the first conveyor belt 10 in the lowermost layer from the first conveyor belt 10 in the middle layer, and is conveyed to the right along with the first conveyor belt 10 in the lowermost layer, and finally falls into the discharge unit inside the discharge port 15 from the rightmost end of the first conveyor belt 10 in the lowermost layer.

It can be understood that, in order to further improve the drying and sterilizing effect and efficiency of the auxiliary materials in the box body 3, the number of the air inlets 16 is equal to that of the first conveyor belts 10, the plurality of air inlets 16 are arranged in one-to-one correspondence with the plurality of first conveyor belts 10, and each air inlet 16 is connected with the air channel of the hot air drying unit, so that the variable-temperature and variable-humidity air with different parameters can be conveyed to the auxiliary materials in different areas, and the auxiliary materials in the different areas can be dried and sterilized more specifically.

In one embodiment, a baffle is arranged between the top plate of the box body 3 and the uppermost first conveyor belt 10, the width of the baffle is greater than or equal to the width of the first conveyor belt 10, the baffle is vertically arranged, a gap exists between the baffle and the uppermost first conveyor belt 10, and the size of the gap is adjustable. The baffle is used for strickleing off the cow dung on the first conveyer belt 10 on the superiors, and the size in clearance is the thickness of cow dung on the follow-up first conveyer belt 10 promptly to guarantee that the thickness of the middle auxiliary material on the conveying unit is unanimous, and then ensure that dry bactericidal effect is more even.

The utility model discloses an embodiment has still provided a ox bed regeneration bedding material hot air drying production method based on foretell humiture adjustable ox bed regeneration bedding material hot air drying apparatus for producing. The method comprises the following steps:

the method comprises the following steps of (1) feeding cow dung into a box body 3 from a feeding hole 4 of the device so as to enable the cow dung to fall on a conveying unit, and conveying the cow dung from a starting end to an ending end by using the conveying unit so as to realize the uniform spreading process of the cow dung;

the hot air drying unit is used for conveying airflow with variable temperature into the box body 3 through the air duct 9, and the wet curtain unit in the air duct 9 is used for wetting the airflow so as to change the humidity of the airflow; the cow dung on the conveying unit is sterilized and dehydrated by introducing air flows with different parameters into the box body 3.

In one embodiment, the above-mentioned process of sterilizing and dehydrating cow dung further comprises:

firstly, introducing airflow with a first parameter into the box body 3 by utilizing the hot air drying unit and the wet curtain unit so as to realize sterilization operation; wherein the first parameter comprises: the temperature of the air flow is 60-80 ℃, the humidity of the air flow is 50-70%, and the introducing time of the air flow is 2 hours;

then closing the wet curtain unit, retracting the wet curtain unit into the protective cover, and introducing airflow with a second parameter into the box body 3 by using the hot air drying unit to realize dehydration operation; wherein the second parameter comprises: the temperature of the air flow is 60 ℃, the humidity of the air flow is lower than 50%, and the introducing time of the air flow is 6 hours.

The method changes the continuous operation of the existing cattle bedding material regeneration system on the cattle manure bedding material into the staged operation, realizes the accurate sterilization and drying of the process of preparing the regenerated bedding material from the cattle manure through independent parameter regulation and control on the sterilization operation stage and the dehydration operation stage respectively, and can regulate the specific parameters in the processes of each stage at any time according to the requirements, thereby enhancing the processing performance of the sterilization stage and the dehydration stage, improving the quality and the production efficiency of the bedding material and reducing the production energy consumption.

An example is provided below to illustrate the solid cow dung treatment and the production process of the recycled bedding material in detail.

1. The feed unit is filled with cow dung, then the transfer unit is opened and finally the feed opening 4 is opened to allow the operation procedure to start. Cow dung enters the box body 3 of the device through the feeding hole 4, and is conveyed from the feeding hole 4 to the discharging hole 15 from top to bottom layer by layer through the multi-layer first conveying belt 10 of the conveying unit. And after all the cow dung falls on the conveying unit, closing the conveying unit. Under the action of the baffles, the thickness of the middle paving material on each layer of the first conveyor belt 10 is 5 cm to 8 cm.

2. The water inflow of the water injector 6 is set and the water injector 6 is opened to form a wet curtain on the wet curtain assembly 13. Setting the temperature and the air quantity of the air heater, and opening the fan and the exhaust fan to carry out the high-temperature high-humidity sterilization operation process of the first stage, wherein the introduction time of the air flow in the process lasts for 2 hours, the air flow temperature is controlled to be 60-80 ℃, and the relative humidity of the air flow is controlled to be 50-70%.

3. After the sterilization operation stage is completed, the water injector is turned off, the driving lever 14 is rotated to allow the wet curtain assembly 13 to enter the protection cover 8, and then a second stage of high temperature dehydration operation is performed. Only introducing high-temperature airflow into the box body 3 in the process of the high-temperature dehydration operation stage, controlling the temperature of the airflow to be about 60 ℃, and keeping the introduction time of the airflow for 6 hours to reduce the water content of the cow dung to be lower than 50%; at a relative humidity of 60% of the air flow, the inside of the device is in an optimal sterilization operation environment.

4. After the dehydration operation stage is completed, the exhaust fan and the hot air blower are turned off, and the conveying unit is turned on, so that the sterilized and dried padding falls onto the discharging box 11 from the end of the conveying unit. After the discharging is finished, the bin door is opened, the discharging box 11 is conveyed by the discharging slide rail 7 to move horizontally and leave the device from the discharging hole 15, and the padding in the discharging box 11 is the obtained product.

5. After the operations 1 to 4 are completed, the scraper 12 is started to clean the residual cow dung in the box 3.

6. After the discharging box 11 is cleaned, the discharging box 11 is conveyed back to the lower part of the conveying unit from the discharging hole 15 by utilizing the discharging slide rail 7 to rotate reversely, then the bin door is closed, and the work is finished.

In summary, the hot air drying production apparatus for cow bed recycled padding with adjustable temperature and humidity described in this embodiment includes a box 3, a conveying unit, a hot air drying unit and a wet curtain unit, the box 3 is provided with a feed port 4, a discharge port 15, an exhaust port 5 and at least one air inlet 16, the conveying unit is disposed in the box 3, and two ends of the conveying unit along a conveying direction are respectively disposed corresponding to the feed port 4 and the discharge port 15, cow dung from the feed unit enters the conveying unit from the feed port 4, under the conveying action of the conveying unit, the cow dung is discharged from the discharge port 15 through the discharge unit, the hot air drying unit is disposed outside the box 3 and is connected with the air inlet 16 through an air duct 9, and the air duct 9 is provided with a openable and closable wet curtain unit, so as to convey a temperature and humidity variable wet airflow into the box 3 by the synergistic, thereby when disinfecting and drying the cow dung that transports in box 3, can be according to the temperature and the humidity of operation needs real-time and accurate control air current. According to the device, on one hand, the hot air drying unit and the wet curtain unit are nested in a structure, and the wet curtain unit is set to be an openable and closable structure, so that the temperature and humidity uniformity and controllability of input air flow in the device are improved, the processing performance of a sterilization operation stage and a dehydration operation stage is enhanced, air flow parameters can be corrected according to different stages, and the quality of padding finished products is greatly improved; on the other hand, the device greatly simplifies the structure setting, reduces the connectors of the box body 3 and external equipment, effectively improves the sealing performance of the device, effectively reduces or even avoids the defect of serious dissipation of the device, and improves the production efficiency of the device.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a humiture adjustable cattle bed regeneration bedding hot air drying apparatus for producing, its characterized in that includes:

2. The temperature and humidity adjustable hot air drying production device for cattle bed regeneration padding according to claim 1, wherein the wet curtain unit comprises:

3. The temperature and humidity adjustable hot air drying production device for the cattle bed recycled padding according to claim 1, wherein the conveying unit comprises a plurality of first conveying belts, the first conveying belts are arranged in the box body at intervals from top to bottom, the conveying directions of two adjacent first conveying belts are opposite, and the first conveying belts form an S-shaped conveying track together.

4. The temperature and humidity adjustable hot air drying production device for cow bed recycled padding according to claim 3, wherein the conveying unit further comprises a baffle plate, the baffle plate is arranged between a top plate of the box body and the first conveying belt on the uppermost layer, the width of the baffle plate is greater than or equal to the width of the first conveying belt, the baffle plate is vertically arranged, a gap exists between the baffle plate and the first conveying belt on the uppermost layer, and the size of the gap is adjustable.

5. The temperature and humidity adjustable hot air drying production device for the cattle bed recycled padding according to any one of claims 1 to 4, further comprising a feeding unit, wherein the feeding unit comprises a second conveyor belt connected with the feeding port and a feeding hopper arranged on the second conveyor belt.

6. The temperature and humidity adjustable hot air drying production device for the cattle bed regeneration padding according to any one of claims 1 to 4, further comprising a discharging unit, wherein the discharging unit comprises:

7. The temperature and humidity adjustable hot air drying production device for cattle bed recycled padding according to claim 6, wherein the discharging slide rail comprises a driving roller, a driven roller, a motor, a controller and a third conveyor belt connected between the driving roller and the driven roller, and the upper surface of the third conveyor belt is laid at the bottom of the box body and is positioned between the lower part of the ending end of the conveying unit and the discharging port; the motor is connected with the driving roller, and the controller is connected with the motor.

8. The temperature and humidity adjustable hot air drying production device for cattle bed recycled padding according to claim 6, wherein the discharge port is provided with a bin gate which can be opened and closed.

9. The temperature and humidity adjustable hot air drying production device for the cattle bed regeneration padding according to any one of claims 1 to 4, wherein the box body is further provided with at least one air outlet, the air inlet is formed in one side face of the box body, and the air outlet is formed in the upper portion of the other side face of the box body.

10. The temperature and humidity adjustable hot air drying production device for the regenerative bedding of cattle as claimed in any one of claims 1 to 4, wherein the hot air drying unit further comprises an air blower, a hot air pipeline and an air supply branch pipe which are connected in sequence, a heater is arranged in the hot air pipeline, and the air supply branch pipe is connected with the air duct.