CN113834287A - Heating vacuum drying equipment for harmless treatment of biological particles of livestock - Google Patents

Heating vacuum drying equipment for harmless treatment of biological particles of livestock Download PDF

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Publication number
CN113834287A
CN113834287A CN202111065517.5A CN202111065517A CN113834287A CN 113834287 A CN113834287 A CN 113834287A CN 202111065517 A CN202111065517 A CN 202111065517A CN 113834287 A CN113834287 A CN 113834287A
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CN
China
Prior art keywords
drying
vacuum
cylinder shell
material containing
inner cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202111065517.5A
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Chinese (zh)
Inventor
刘洪岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Haori Machinery Plant
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Dalian Haori Machinery Plant
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Filing date
Publication date
Application filed by Dalian Haori Machinery Plant filed Critical Dalian Haori Machinery Plant
Priority to CN202111065517.5A priority Critical patent/CN113834287A/en
Publication of CN113834287A publication Critical patent/CN113834287A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/16—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a vertical or steeply-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/14—Chambers, containers, receptacles of simple construction
    • F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum

Abstract

Poultry innocent treatment biological particle heating vacuum drying equipment belongs to poultry innocent treatment technical field, and vacuum tube stoving outer tube shell of vacuum pumping system links to each other. The auger shaft is arranged transversely in the material-containing drying inner cylinder shell. The drying outer cylinder shell of the drying outer cylinder is provided with a drying outer cylinder material taking door. The vacuum measurement and control meter and the temperature control meter are arranged on the drying outer cylinder shell. The material containing and drying inner cylinder shell is arranged in the drying outer cylinder shell. The shell of the material containing and drying inner cylinder extends to form a feeding cylinder and is provided with a feeding cylinder cover. The material containing and drying inner cylinder shell is provided with a material taking door. A heater is arranged at the part between the drying outer cylinder shell and the material containing drying inner cylinder shell. The heater is heated by boiler hot air, and the induced draft fan heats the pipe. When not needed, the boiler heats water. The biological particles are heated and vacuum-dried, so that the air is not polluted, the treatment efficiency is improved, the energy is saved, the operation is simple, and the cost is low.

Description

Heating vacuum drying equipment for harmless treatment of biological particles of livestock
Technical Field
The invention belongs to the technical field of harmless drying treatment of livestock, and particularly relates to heating vacuum drying equipment for harmless treatment of biological particles of livestock.
Background
At present, most of domestic harmless drying treatment for livestock and poultry is carried out by adopting an electric heating method, the processing electricity cost is high, and the burden of users is heavy.
Disclosure of Invention
The invention aims to provide heating vacuum drying equipment for harmless treatment of biological particles of livestock, which does not pollute air, improves the treatment efficiency, saves energy and is simple to operate.
The technical scheme is as follows:
a heating vacuum drying device for harmless treatment of biological particles of livestock comprises a vacuum pumping system, a drying outer cylinder, a material containing and drying inner cylinder, a heater, a packing auger and a biological particle heat supply boiler.
The technical key points are as follows:
one end of a vacuum tube of the vacuumizing system is connected with the drying outer cylinder shell.
The packing auger comprises an auger shaft and packing auger sheets fixed on the auger shaft.
The packing auger chain wheel on the packing auger shaft and the motor chain wheel on the output shaft of the reducer motor are connected with the chain through the chain.
The auger shaft is arranged transversely in the material containing drying inner cylinder shell, and two ends of the auger shaft are respectively supported at two ends of the material containing drying inner cylinder shell by bearings.
The drying outer cylinder shell of the drying outer cylinder is provided with a drying outer cylinder material taking door.
The vacuum measurement and control meter and the temperature control meter are arranged on the drying outer cylinder shell.
The material containing and drying inner cylinder comprises a material containing and drying inner cylinder shell.
The material containing and drying inner cylinder shell is arranged in the drying outer cylinder shell.
A feeding cylinder extends above the shell of the material containing drying inner cylinder, the feeding cylinder extends upwards to the outer side of the shell of the drying outer cylinder, and a feeding cylinder cover is arranged.
The material containing and drying inner cylinder shell is provided with a material taking door.
A heater is arranged at the part between the drying outer cylinder shell and the material containing drying inner cylinder shell.
The heater includes at least one heating section.
The heating part comprises a hot air inlet pipe, an air return pipe and a heating pipe.
The hot air inlet pipe and the return air pipe are connected with two ends of the heating pipe.
The air inlet of the hot air inlet pipe is connected with the air outlet of the hot air delivery pipe.
The air outlet of the return air pipe is connected with the air inlet of the induced draft fan.
The biological particle heat supply boiler comprises a boiler body and a biological particle feeding ignition burner.
The heat-supply pipe and the return air pipe of the water tank are respectively provided with a corresponding valve.
The heat transfer pipe is led out from the boiler body.
The air outlet of the return air pipe of the water tank is connected with the inlet of the induced draft fan.
An observation cylinder can extend above the material containing drying inner cylinder shell and upwards extend to the upper outer side of the drying outer cylinder shell. An observation hole cover is arranged at the top of the observation cylinder.
When the heating part is divided into a plurality of parts, the air inlets of the hot air inlet pipes of the heating parts are combined and connected with the air outlets of the hot air supply pipes.
The air outlet of the return air pipe is combined and connected with the air inlet of the induced draft fan.
The advantages are that:
the inventor adopts a biological particle heating vacuum drying method according to experiments, does not pollute air, improves the treatment efficiency, saves energy, has simple operation and low cost, reduces the production cost, is deeply welcomed by users and is willing to be accepted by the users.
Drawings
Figure 1 is a front view of the invention (without a bioparticles heating boiler).
FIG. 2 is a top view of the present invention (heating boiler with bio-particles).
Fig. 3 is an evacuation system.
FIG. 4 is a front view of the auger.
FIG. 5 is a top view of the auger.
Fig. 6 is a front view of the drying tub.
Fig. 7 is a plan view of the drying tub.
Fig. 8 is a schematic structural view of the heater.
Fig. 9 is a top view of the heater.
Fig. 10 is a front view of the material containing drying inner cylinder.
Fig. 11 is a top view of the material containing drying inner cylinder.
Fig. 12 is a schematic view of a structure of a bio-particle heating boiler.
1.0 vacuum pumping system, vacuum pump 1.1, end exhaust tube 1.2, vacuum tank 1.3, vacuum tube 1.4, solenoid valve 1.5, vacuum filter 1.6.
2.0 auger, 2.1 auger chain wheel, 2.2 chain, 2.3 reducer motor, 2.4 motor chain wheel, 2.5 bearing, 2.6 auger shaft and 2.7 auger piece.
3.0 drying outer cylinder, 3.1 drying outer cylinder support legs, 3.2 drying outer cylinder left door, 3.3 drying outer cylinder material taking door, 3.4 vacuum measurement and control table, 3.5 temperature control table, 3.6 drying outer cylinder shell.
4.0 heater, draught fan 4.1, return air duct 4.2, heating pipe 4.3, fin 4.4, advance hot-blast pipe 4.5.
5.0 material containing drying inner cylinder, 5.1 material containing drying inner cylinder shell, 5.2 oil unloading valve, 5.3 drying inner cylinder support leg, 5.4 feeding cylinder, 5.5 feeding cylinder cover, 5.6 observation hole cover, 5.7 observation cylinder, 5.8 bearing position, 5.9 material containing drying inner cylinder shell material taking door.
6.0 biological particle heat supply boiler, feeding ignition combustor 6.1, cylinder 6.2, on-off valve 6.3, heat transfer pipe 6.4, outlet pipe 6.5, water tank 6.7, water tank return air pipe 6.8, boiler body 6.9.
Detailed Description
The heating vacuum drying equipment for harmless treatment of biological particles of livestock comprises a vacuum pumping system 1.0, a drying outer cylinder 3.0, a material containing drying inner cylinder 5.0, a heater 4.0, a packing auger 2.0 and a biological particle heat supply boiler 6.0.
The vacuum pumping system 1.0 comprises a vacuum pump 1.1 and a vacuum tank 1.3.
Vacuum pump 1.1 is fixed on ground, and vacuum pump 1.1 evacuation mouth links to each other with terminal exhaust tube 1.2 one end, is equipped with solenoid valve 1.5 and vacuum filter 1.6 on the terminal exhaust tube 1.2, and solenoid valve 1.5 is located vacuum pump 1.1 one side, and vacuum filter 1.6 is located vacuum tank 1.3 one side, and the terminal exhaust tube 1.2 other end links to each other with vacuum tank 1.3's gas outlet, and vacuum tube 1.4's one end links to each other with vacuum tank 1.3's air inlet.
The other end of the vacuum tube 1.4 is connected with the drying outer cylinder shell 3.6.
The packing auger comprises a packing auger shaft 2.6 and a packing auger sheet 2.7 welded on the packing auger shaft 2.6.
The packing auger chain wheel 2.1 is arranged on the packing auger shaft 2.6, and the packing auger chain wheel 2.1 is positioned outside the drying outer cylinder shell 3.6.
The output shaft of the reducer motor 2.3 is provided with a motor chain wheel 2.4.
The packing auger chain wheel 2.1 and the motor chain wheel 2.4 are connected with the chain 2.2.
The reducer motor 2.3 is arranged on a bracket outside the drying outer cylinder shell 3.6.
The packing auger shaft 2.6 is transversely arranged in the material containing drying inner cylinder shell 5.1, and two ends of the packing auger shaft 2.6 are respectively provided with a bearing 2.5 which is supported at two ends of the material containing drying inner cylinder shell 5.1.
The drying drum 3.0 comprises a drying drum housing 3.6 and a plurality of drying drum legs 3.1.
The lower ends of the drying cylinder supporting legs 3.1 are placed on the ground, and the upper ends are fixedly supported with the drying outer cylinder shell 3.6.
The drying outer cylinder shell 3.6 is provided with a drying outer cylinder left door 3.2 and a drying outer cylinder material taking door 3.3.
The vacuum measurement and control meter 3.4 and the temperature control meter 3.5 are arranged on the drying outer cylinder shell 3.6.
The material containing drying inner cylinder 5.0 comprises a material containing drying inner cylinder shell 5.1.
An oil discharge valve 5.2 is arranged on a pipeline below the material containing and drying inner cylinder shell 5.1, and the oil discharge valve 5.2 is positioned on the outer side below the drying outer cylinder shell 3.6.
The material containing drying inner cylinder shell 5.1 is supported in the drying outer cylinder shell 3.6 by the drying inner cylinder supporting legs 5.3 fixed at the lower part.
A feeding cylinder 5.4 and an observation cylinder 5.7 extend above the material containing drying inner cylinder shell 5.1, and the feeding cylinder 5.4 and the observation cylinder 5.7 both extend upwards to the outer side of the drying outer cylinder shell 3.6.
The top of the feeding cylinder 5.4 is provided with a feeding cylinder cover 5.5.
The top of the observation cylinder 5.7 is provided with an observation hole cover 5.6 which is opened when observation is needed.
The left side and the right side of the material containing drying inner cylinder shell 5.1 are provided with bearing positions 5.8 which correspond to two bearings 2.5.
The right side of the material containing and drying inner cylinder shell 5.1 is provided with the material containing and drying inner cylinder shell for taking 5.9, and the rotation of the bearing 2.5 is not influenced.
A heater 4.0 is arranged at the part between the drying outer cylinder shell 3.6 and the material containing and drying inner cylinder shell 5.1.
The heater 4.0 comprises at least one heating section.
The heating part comprises a hot air inlet pipe 4.5, a return air pipe 4.2 and a U-shaped heating pipe 4.3.
The hot air inlet pipe 4.5 and the air return pipe 4.2 are connected with two ends of the U-shaped heating pipe 4.3.
The heating tube 4.3 is provided with a plurality of radiating fins 4.4.
The air inlet of the air inlet pipe 4.5 is connected with the air outlet of the heat delivery pipe 6.4.
The air outlet of the return air pipe 4.2 is connected with the air inlet of the induced draft fan 4.1.
In this embodiment, there are two heating portions respectively located at the front and rear sides of the material-holding drying inner cylinder shell 5.1. The air inlets of the air inlet pipes 4.5 of the two heating parts are combined and connected with the air outlets of the heat delivery pipes 6.4.
The air inlet of the return air pipe 4.2 is combined and connected with the inlet of the induced draft fan 4.1.
The bio particle heat supply boiler 6.0 comprises a boiler body 6.9.
The biological particle feeding ignition burner 6.1 is arranged in the boiler body 6.9.
Corresponding valves are arranged on the heat-supply pipe 6.4 and the return air pipe 6.8 of the water tank, and one available form is as follows:
the cylinder 6.2 is fixedly supported outside the boiler body 6.9.
The output rod of the cylinder 6.2 is connected with the operating rod of the open-close valve 6.3, and the open-close valve 6.3 is arranged on the heat-supply pipe 6.4 and the return air pipe 6.8 of the water tank and is alternately opened and closed.
The heat transfer pipe 6.4 is led out from the boiler body 6.9.
The air outlet of the return air pipe 6.8 of the water tank is connected with the inlet of the draught fan 4.1 or any return air pipe 4.2.
The return air pipe 6.8 of the water tank passes through the water tank 6.7.
The boiler body 6.9 is internally provided with a water tank 6.7, and a water outlet pipe 6.5 and a water return pipe 6.6 are both connected with the water tank 6.7 and are used for leading out and returning circulating hot water to heat equipment, such as heating.
The working principle is as follows:
when the drying device works, the fragments of the livestock are poured into the shell 5.1 of the material containing and drying inner barrel from the feeding barrel 5.4, the speed reducer motor 2.3 rotates (rotates positively and negatively) to drive the chain 2.2, the auger chain wheel 2.1 and the auger shaft 2.6 to rotate, so that the fragments of the livestock are uniformly distributed, the contact surface is enlarged, the livestock can fully receive heat, and the drying speed is accelerated.
The vacuumizing system 1.0 starts to vacuumize, the vacuum degree between the material containing drying inner cylinder shell 5.1 and the drying outer cylinder shell 3.6 is detected by a vacuum measurement and control table 3.4, the vacuumizing system 1.0 is controlled, and the vacuumizing system is vacuumized and heated, so that the heating speed is high and the effect is good. Vacuum degree is controlled by a vacuum measurement and control table 3.4, and vacuum is pumped by a vacuum pump 1.1. When the vacuum degree is higher than the set value, the vacuum pump 1.1 stops working, the electromagnetic valve 1.5 is closed, and when the vacuum degree is lower than the set value, the electromagnetic valve 1.5 is opened, and the vacuum pump 1.1 starts working.
The biological particle heat supply boiler 6.0 starts to heat, the heater 4.0 heats the livestock fragments in the barrel, the temperature is detected and controlled by the temperature control meter 3.5, after the livestock fragments are dried within a certain time, the drying outer barrel material taking door 3.3 and the material containing and drying inner barrel shell are opened to take materials 5.9, and the materials are taken out.
The biological particle heating device is characterized in that biological particles are used as raw materials for heating, a heater 4.0 for supplying heat to the biological particles is placed in the drying outer cylinder shell 3.6, a temperature control meter 3.5 is used for controlling the temperature, when the temperature is lower than a set temperature, an opening-closing valve 6.3 on a heat supply pipe 6.4 is opened, an opening-closing valve 6.3 on a return air pipe 6.8 of a water tank is closed, an induced draft fan 4.1 is used for inducing air, hot air in a boiler body 6.9 is introduced into a hot air inlet pipe 4.5 from the heat supply pipe 6.4, heat is dissipated through a heating pipe 4.3, and the hot air is led out from the induced draft fan 4.1. When the temperature is raised to the set temperature, the air cylinder 6.2 acts, the opening and closing valve 6.3 on the return air pipe 6.8 of the water tank is opened, the opening and closing valve 6.3 on the heat delivery pipe 6.4 is closed, the induced draft fan 4.1 is switched to induce air, and hot air enters the return air pipe 6.8 of the water tank to heat and raise the temperature of the water tank 6.7. This is repeated.
When oil discharge is needed, the oil discharge valve 5.2 is opened.

Claims (6)

1. A heating vacuum drying device for harmless treatment of biological particles of livestock comprises a vacuum pumping system (1.0), a drying outer cylinder (3.0), a material containing and drying inner cylinder (5.0), a heater (4.0), a packing auger (2.0) and a biological particle heat supply boiler (6.0); the method is characterized in that:
one end of a vacuum tube (1.4) of the vacuum pumping system (1.0) is connected with the drying outer cylinder shell (3.6);
the packing auger comprises a packing auger shaft (2.6) and a packing auger sheet (2.7) fixed on the packing auger shaft (2.6);
the auger chain wheel (2.1) on the auger shaft (2.6) and the motor chain wheel (2.4) on the output shaft of the reducer motor (2.3) are connected with the chain (2.2);
the auger shaft (2.6) is positioned in the material containing drying inner cylinder shell (5.1) and transversely arranged, and two ends of the auger shaft (2.6) are respectively provided with a bearing (2.5) which is supported at two ends of the material containing drying inner cylinder shell (5.1);
a drying outer barrel shell (3.6) of the drying outer barrel (3.0) is provided with a drying outer barrel material taking door (3.3);
the vacuum measurement and control meter (3.4) and the temperature control meter (3.5) are arranged on the drying outer cylinder shell (3.6);
the material containing and drying inner cylinder (5.0) comprises a material containing and drying inner cylinder shell (5.1);
the material containing and drying inner cylinder shell (5.1) is arranged in the drying outer cylinder shell (3.6);
a feeding cylinder (5.4) extends above the material containing drying inner cylinder shell (5.1), the feeding cylinder (5.4) extends upwards to the outer side of the drying outer cylinder shell (3.6), and a feeding cylinder cover (5.5) is arranged;
the material containing and drying inner cylinder shell (5.1) is provided with a material taking door (5.9) of the material containing and drying inner cylinder shell;
a heater (4.0) is arranged at the part between the drying outer cylinder shell (3.6) and the material containing and drying inner cylinder shell (5.1);
the heater (4.0) comprises at least one heating section;
the heating part comprises a hot air inlet pipe (4.5), an air return pipe (4.2) and a heating pipe (4.3);
the hot air inlet pipe (4.5) and the air return pipe (4.2) are connected with the two ends of the heating pipe (4.3);
the air inlet of the air inlet pipe (4.5) is connected with the air outlet of the heat delivery pipe (6.4);
the air outlet of the return air pipe (4.2) is connected with the air inlet of the induced draft fan (4.1);
the biological particle heat supply boiler (6.0) comprises a boiler body (6.9) and a biological particle feeding ignition burner (6.1);
corresponding valves are respectively arranged on the heat delivery pipe (6.4) and the return air pipe (6.8) of the water tank;
the heat transfer pipe (6.4) is led out from the boiler body (6.9);
the air outlet of the return air pipe (6.8) of the water tank is connected with the inlet of the draught fan (4.1).
2. The heating vacuum drying equipment for the harmless treatment of the livestock and the poultry biological particles according to claim 1, which is characterized in that:
the vacuum-pumping system (1.0) comprises a vacuum pump (1.1) and a vacuum tank (1.3); vacuum pump (1.1) evacuation mouth links to each other with terminal exhaust tube (1.2) one end, be equipped with solenoid valve (1.5) and vacuum filter (1.6) on terminal exhaust tube (1.2), solenoid valve (1.5) are located vacuum pump (1.1) one side, vacuum filter (1.6) are located vacuum tank (1.3) one side, the gas outlet of terminal exhaust tube (1.2) other end and vacuum tank (1.3) links to each other, the other end of vacuum tube (1.4) links to each other with the air inlet of vacuum tank (1.3).
3. The heating vacuum drying equipment for the harmless treatment of the livestock and the poultry biological particles according to claim 1, which is characterized in that: an oil discharge valve (5.2) is arranged on the pipeline below the material containing and drying inner cylinder shell (5.1), and the oil discharge valve (5.2) is positioned on the outer side below the drying outer cylinder shell (3.6).
4. The heating vacuum drying equipment for the harmless treatment of the livestock and the poultry biological particles according to claim 1, which is characterized in that: an observation cylinder (5.7) extends above the material containing and drying inner cylinder shell (5.1) and extends upwards to the outer side of the drying outer cylinder shell (3.6); the top of the observation cylinder (5.7) is provided with an observation hole cover (5.6).
5. The heating vacuum drying equipment for the harmless treatment of the livestock and the poultry biological particles according to claim 1, which is characterized in that: the heating pipe (4.3) is provided with a plurality of radiating fins (4.4).
6. The heating vacuum drying equipment for the harmless treatment of the livestock and the poultry biological particles according to claim 1, which is characterized in that: when the heating part is divided into a plurality of heating parts, the air inlets of the air inlet pipes (4.5) of the plurality of heating parts are combined and connected with the air outlets of the heat delivery pipes (6.4);
the air outlet of the return air pipe (4.2) is combined and connected with the air inlet of the induced draft fan (4.1).
CN202111065517.5A 2021-09-13 2021-09-13 Heating vacuum drying equipment for harmless treatment of biological particles of livestock Withdrawn CN113834287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111065517.5A CN113834287A (en) 2021-09-13 2021-09-13 Heating vacuum drying equipment for harmless treatment of biological particles of livestock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111065517.5A CN113834287A (en) 2021-09-13 2021-09-13 Heating vacuum drying equipment for harmless treatment of biological particles of livestock

Publications (1)

Publication Number Publication Date
CN113834287A true CN113834287A (en) 2021-12-24

Family

ID=78959033

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111065517.5A Withdrawn CN113834287A (en) 2021-09-13 2021-09-13 Heating vacuum drying equipment for harmless treatment of biological particles of livestock

Country Status (1)

Country Link
CN (1) CN113834287A (en)

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Application publication date: 20211224