CN113080069A - Sectional combined agricultural heating equipment - Google Patents

Sectional combined agricultural heating equipment Download PDF

Info

Publication number
CN113080069A
CN113080069A CN202110390865.3A CN202110390865A CN113080069A CN 113080069 A CN113080069 A CN 113080069A CN 202110390865 A CN202110390865 A CN 202110390865A CN 113080069 A CN113080069 A CN 113080069A
Authority
CN
China
Prior art keywords
cavity
air outlet
box body
heating
outlet pipe
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.)
Granted
Application number
CN202110390865.3A
Other languages
Chinese (zh)
Other versions
CN113080069B (en
Inventor
周军枢
杨武杰
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.)
Ningbo Baogong Electrical Appliance Co ltd
Original Assignee
Ningbo Baogong Electrical Appliance Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Baogong Electrical Appliance Co ltd filed Critical Ningbo Baogong Electrical Appliance Co ltd
Priority to CN202110390865.3A priority Critical patent/CN113080069B/en
Publication of CN113080069A publication Critical patent/CN113080069A/en
Application granted granted Critical
Publication of CN113080069B publication Critical patent/CN113080069B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246—Air-conditioning systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Greenhouses (AREA)

Abstract

The invention discloses a sectional combined agricultural heating device, which comprises: the heating device comprises a first box body, a second box body and a heating device, wherein a heating cavity is arranged in the first box body and is provided with a first opening surface; the combustion device is used for providing heat for the heating cavity; the second box body is detachably connected with the first box body, a first cavity and a second cavity are arranged in the second box body, the first cavity is provided with a second opening surface used for being jointed with the first opening surface of the heating cavity, a fan is arranged in the second cavity, and an air inlet of the fan is communicated with the first cavity; and the air outlet pipe is communicated with an air outlet of the fan. The invention is convenient to carry.

Description

Sectional combined agricultural heating equipment
Technical Field
The invention relates to the technical field of heating equipment, in particular to a sectional combined agricultural heating equipment.
Background
The existing agricultural heating equipment is large in size, so that the heating equipment is inconvenient to carry.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sectional combined agricultural heating device which is convenient to carry.
In order to solve the technical problem, the invention provides a sectional combined agricultural heating device, which comprises:
the heating device comprises a first box body, a second box body and a heating device, wherein a heating cavity is arranged in the first box body and is provided with a first opening surface;
the combustion device is used for providing heat for the heating cavity;
the second box body is detachably connected with the first box body, a first cavity and a second cavity are arranged in the second box body, the first cavity is provided with a second opening surface used for being jointed with the first opening surface of the heating cavity, a fan is arranged in the second cavity, and an air inlet of the fan is communicated with the first cavity;
and the air outlet pipe is communicated with an air outlet of the fan.
Preferably, the first box and the second box are connected through a buckle structure.
Preferably, the combustion device comprises a combustor and a combustion cylinder, the combustor is arranged outside the first box body, the combustion cylinder is arranged in the heating cavity of the first box body, a combustion port of the combustor is communicated with one end of the combustion cylinder, and the other end of the combustion cylinder is opened.
Preferably, the first box body is provided with an oxygen supplementing hole communicated with the heating cavity, and the oxygen supplementing hole is movably covered with a baffle plate for adjusting the oxygen feeding amount of the oxygen supplementing hole.
Preferably, the sectional combined agricultural heating equipment further comprises a water cooling mechanism and an air cooling mechanism for reducing the air outlet temperature of the air outlet pipe.
Preferably, the air outlet pipe is connected to the side surface of the second box body.
Preferably, a rotatable rotating part and a torsion spring for applying torsion to the rotating part are arranged in the first cavity, the rotating part comprises a cover plate part for covering an air inlet of the fan and a plate body part fixedly connected with the cover plate part, an obtuse included angle is formed between the plate body part and the cover plate part, and a push rod part for applying thrust to the plate body part of the rotating part is arranged in the first box;
when the first box body is separated from the second box body, the torsion spring can drive the rotating piece to rotate to a position where the cover plate part completely covers the air inlet of the fan;
when the first box body is connected with the second box body, the first opening surface of the heating cavity is jointed with the second opening surface of the first cavity, and the front end of the push rod part abuts against the plate body part of the rotating part, so that the rotating part overcomes the torsion of the torsion spring and rotates to a position where the cover plate part opens the air inlet of the fan.
Preferably, the air outlet pipe is of a double-layer structure, two rows of air outlet holes are formed in the air outlet pipe, and the air outlet holes are arranged at intervals along the axial direction of the air outlet pipe.
Preferably, one end of the air outlet pipe is communicated with an air outlet of the fan, and the other end of the air outlet pipe is branched into a plurality of branch pipes with the same pipe diameter.
Preferably, the sectional combined agricultural heating equipment further comprises a lifting support frame, and the air outlet pipe is fixed on the support frame.
After adopting the structure, compared with the prior art, the invention has the following advantages:
the sectional combined agricultural heating equipment adopts a two-section structure, namely, the sectional combined agricultural heating equipment is divided into a first box body and a second box body, the first box body and the second box body are detachably connected, when the sectional combined agricultural heating equipment needs to be carried, the first box body and the second box body are separated, the first box body and the second box body can be separately carried, the sectional combined agricultural heating equipment is convenient, and when the sectional combined agricultural heating equipment needs to be used, the first box body and the second box body are connected, so that the sectional combined agricultural heating equipment can be normally used.
Drawings
FIG. 1 is a schematic diagram of the structure used in the present invention;
FIG. 2 is a cross-sectional view of the present invention in use;
FIG. 3 is a schematic view of the present invention in heating a breeding house;
FIG. 4 is a schematic view of an air outlet pipe;
FIG. 5 is another schematic view of the air outlet pipe;
fig. 6 is a schematic view of the installation structure of the air outlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the sectional combined agricultural heating apparatus of the present invention includes a first casing 10, a burner, a second casing 20, and an air outlet duct 30.
A heating cavity 11 is formed in the first box 10, and the heating cavity 11 has a first opening surface 111.
The combustion means is used to provide heat to the heating chamber 11 to heat the air in the heating chamber 11.
The second box 20 is detachably connected with the first box 10, a first cavity 21 and a second cavity 22 are arranged in the second box 20, the first cavity 21 is provided with a second opening surface 211 used for being combined with the first opening surface 111 of the heating cavity 11, a fan 23 is arranged in the second cavity 22, and an air inlet of the fan 23 is communicated with the first cavity 21.
The air outlet pipe 30 is communicated with an air outlet of the fan 23.
Like this, when this segmentation combination formula agricultural heating installation used, burner will heat the air heating in the chamber 11, fan 23 will heat the hot-air in the chamber 11 and export through going out tuber pipe 30, this segmentation combination formula agricultural heating installation is mainly applied to the agricultural, aquaculture's pasteurization is used, the air-out of high temperature disinfection room is responsible for and is connected with play tuber pipe 30, the air-out is responsible for the setting on the truss at high temperature disinfection room top, and set up the air-out branch pipe of a plurality of air-outs down on the air-out is responsible for, thereby can make the bottom of high temperature disinfection room also can obtain sufficient heat, in order to avoid appearing the low bad condition of bottom heat of high temperature disinfection room.
The first box 10 and the second box 20 are connected through a buckle structure, so that the first box 10 and the second box 20 are convenient to detach and connect.
The combustion device comprises a combustor 40 and a combustion cylinder 50, wherein the combustor 40 can use fuel oil or fuel gas as fuel, the combustor 40 is arranged outside the first box 10, the combustion cylinder 50 is arranged in the heating cavity 11 of the first box 10, a combustion port of the combustor 40 is communicated with one end of the combustion cylinder 50, and the other end of the combustion cylinder 50 is opened, so that the combustor 40 is communicated with the combustion cylinder 50 to form a combustion chamber.
First box 10 on seted up the oxygenating hole 12 that is linked together with heating chamber 11, the mobilizable baffle 13 that covers the oxygen feeding volume that is used for adjusting oxygenating hole 12 that has on oxygenating hole 12, like this, can adjust the oxygen feeding volume in oxygenating hole 12 through baffle 13, oxygenating hole 12 has the scale outward, different altitudes correspond different scales and adjust.
The segmentation combination formula agricultural heating installation still including the water-cooling mechanism and the air-cooled cooling mechanism that are used for reducing the air-out temperature of tuber pipe 30, water-cooling mechanism and air-cooled cooling mechanism all set up in second box 20 to keep the air-out temperature of tuber pipe 30 about 300 degrees, air-cooled cooling mechanism is for seting up the ventilation groove on second box 20.
The air outlet pipe 30 is connected to the side surface of the second box 20.
The outer surfaces of the first and second cases 10 and 20 are made of rock wool boards.
The first box 10 and the second box 20 are provided with hoisting hooks, so that the first box 10 and the second box 20 can be hoisted.
The first cavity 21 in be provided with a rotatable rotation piece 60 and a torsional spring 80 that is used for applying torsion to rotation piece 60, the one end of torsional spring 80 offsets with the chamber wall of first cavity 21, the other end of torsional spring 80 offsets with rotation piece 60, rotation piece 60 is including the apron portion 61 that is used for covering on the air intake of fan 23 and the plate body portion 62 with apron portion 61 fixed connection, plate body portion 62 is the obtuse angle contained angle with apron portion 61, be provided with a push rod portion 70 that is used for applying thrust to the plate body portion 62 of rotation piece 60 in the first box 10.
When the first box 10 and the second box 20 are separated, the torsion spring 80 can drive the rotating member 60 to rotate to a position where the cover plate portion 61 completely covers the air inlet of the fan 23, so that even if the fan 23 is opened when the first box 10 and the second box 20 are separated, the fan 23 cannot supply air to the air outlet pipe 30, and cold air is prevented from being conveyed to the air outlet pipe 30.
When the first box 10 and the second box 20 are connected, the first opening surface 111 of the heating cavity 11 is engaged with the second opening surface 211 of the first cavity 21, the front end of the push rod portion 70 abuts against the plate portion 62 of the rotating member 60, the push rod 70 pushes the rotating member 60 to rotate through the plate portion 62, so that the rotating member 60 rotates to a position where the cover plate portion 61 opens the air inlet of the fan 23 against the torsion force of the torsion spring 80, and thus, after the first box 10 and the second box 20 are connected, the air inlet of the fan 23 is automatically opened, so that the sectional combined agricultural heating equipment can normally work.
As shown in fig. 3, two rows of air outlet holes 31 are formed in the air outlet pipe 30, each air outlet hole 31 is arranged at intervals along the axial direction of the air outlet pipe 30, the air outlet pipe 30 is embedded at the bottom of the room of the breeding house 100, and the part of the air outlet pipe 30 close to the second box body 20 is located at the sewage discharge position of the breeding house 100, so that the sewage discharge position of the breeding house 100 can be sterilized, dried and disinfected at high temperature.
The air outlet pipe 30 is of a double-layer structure, so that the outer wall of the air outlet pipe 30 can be cooled conveniently, the temperature of the outer wall of the air outlet pipe 30 is appropriate, and a user is prevented from being scalded by the air outlet pipe 30.
As shown in fig. 4, one end of the air outlet pipe 30 is communicated with the air outlet of the blower 23, and the other end of the air outlet pipe 30 is branched into two branch pipes 32 with the same pipe diameter, so that the two branch pipes 32 can supply warm air to two breeding houses at the same time.
As shown in fig. 5, one end of the air outlet pipe 30 is communicated with the air outlet of the blower 23, and the other end of the air outlet pipe 30 is branched into three branch pipes 32 with the same pipe diameter, so that the three branch pipes 32 can simultaneously supply warm air to three breeding houses.
As shown in fig. 6, the sectional and combined agricultural heating facility further includes a liftable support frame 33, and the air outlet pipe 30 is fixed on the support frame 33, so that the air outlet pipe 30 can be driven by the support frame 33 to lift, and the air outlet pipe 30 can be aligned to the air inlet drum 200 of the cultivation house 100, thereby facilitating the connection between the air outlet pipe 30 and the air inlet drum 200.
The above description is only about the preferred embodiment of the present invention, but it should not be understood as limiting the claims, and the present invention may be modified in other structures, not limited to the above structures. In general, all changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.

Claims (10)

1. A sectional combination formula agricultural heating installation which characterized in that includes:
the device comprises a first box body (10), wherein a heating cavity (11) is arranged in the first box body (10), and the heating cavity (11) is provided with a first opening surface (111);
the combustion device is used for providing heat for the heating cavity (11);
the second box body (20), the second box body (20) is detachably connected with the first box body (10), a first cavity (21) and a second cavity (22) are arranged in the second box body (20), the first cavity (21) is provided with a second opening surface (211) used for being combined with the first opening surface (111) of the heating cavity (11), a fan (23) is arranged in the second cavity (22), and an air inlet of the fan (23) is communicated with the first cavity (21);
and the air outlet pipe (30), the air outlet pipe (30) is communicated with an air outlet of the fan (23).
2. The sectional agricultural heating system according to claim 1, wherein the first casing (10) and the second casing (20) are coupled by a snap fit structure.
3. The agricultural heating facility of claim 2, wherein the burning unit comprises a burner (40) and a burning drum (50), the burner (40) is disposed outside the first casing (10), the burning drum (50) is disposed in the heating chamber (11) of the first casing (10), a burner port of the burner (40) is communicated with one end of the burning drum (50), and the other end of the burning drum (50) is opened.
4. The agricultural heating facility of claim 3, wherein the first box (10) is provided with an oxygen supply hole (12) communicated with the heating chamber (11), and the oxygen supply hole (12) is movably covered with a baffle plate (13) for adjusting the oxygen supply amount of the oxygen supply hole (12).
5. The agricultural heating facility of claim 4, further comprising a water cooling mechanism and an air cooling mechanism for reducing the outlet air temperature of the outlet pipe (30).
6. The sectional combined agricultural heating apparatus according to claim 5, wherein the outlet duct (30) is connected to a side of the second casing (20).
7. The agricultural heating facility of claim 6, wherein a rotatable rotating member (60) and a torsion spring (80) for applying torsion to the rotating member (60) are disposed in the first chamber (21), the rotating member (60) comprises a cover plate portion (61) for covering an air inlet of the fan (23) and a plate portion (62) fixedly connected to the cover plate portion (61), the plate portion (62) and the cover plate portion (61) form an obtuse included angle, and a push rod portion (70) for applying thrust to the plate portion (62) of the rotating member (60) is disposed in the first box (10);
when the first box body (10) is separated from the second box body (20), the torsion spring (80) can drive the rotating piece (60) to rotate to a position where the cover plate part (61) completely covers the air inlet of the fan (23);
when the first box body (10) is connected with the second box body (20), the first opening surface (111) of the heating cavity (11) is jointed with the second opening surface (211) of the first cavity body (21), and the front end of the push rod part (70) is abutted against the plate body part (62) of the rotating part (60), so that the rotating part (60) overcomes the torsion force of the torsion spring (80) and rotates to a position that the cover plate part (61) opens the air inlet of the fan (23).
8. The agricultural heating facility of claim 1, wherein the air outlet pipe (30) has a double-layer structure, two rows of air outlet holes (31) are formed in the air outlet pipe (30), and each air outlet hole (31) is arranged along the axial direction of the air outlet pipe (30) at intervals.
9. The agricultural heating facility of claim 1, wherein one end of the air outlet pipe (30) is communicated with the air outlet of the fan (23), and the other end of the air outlet pipe (30) is branched into a plurality of branch pipes (32) with the same pipe diameter.
10. The agricultural heating facility of claim 1, further comprising a liftable support frame (33), wherein the outlet duct (30) is fixed to the support frame (33).
CN202110390865.3A 2021-04-12 2021-04-12 Sectional combination formula agricultural heating installation Active CN113080069B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110390865.3A CN113080069B (en) 2021-04-12 2021-04-12 Sectional combination formula agricultural heating installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110390865.3A CN113080069B (en) 2021-04-12 2021-04-12 Sectional combination formula agricultural heating installation

Publications (2)

Publication Number Publication Date
CN113080069A true CN113080069A (en) 2021-07-09
CN113080069B CN113080069B (en) 2023-04-11

Family

ID=76676295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110390865.3A Active CN113080069B (en) 2021-04-12 2021-04-12 Sectional combination formula agricultural heating installation

Country Status (1)

Country Link
CN (1) CN113080069B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204630321U (en) * 2015-01-04 2015-09-09 上海申光洗涤机械集团有限公司 Dryer gas-air heater
CN209415761U (en) * 2018-12-14 2019-09-20 安徽省久泰农业装备有限公司 A kind of combined hot-blast stove
CN210320726U (en) * 2019-03-29 2020-04-14 山东陆海新能源技术有限公司 Air source heat pump composite gas indirect type hot air system for poultry breeding
CN210569003U (en) * 2019-08-28 2020-05-19 厦门唯科健康产业有限公司 Humidifier with waterproof structure at vent
CN111637625A (en) * 2020-06-12 2020-09-08 湖南劳动人事职业学院 A indirect type solid fuel electric fan heater for warmhouse booth
CN211430481U (en) * 2019-10-31 2020-09-08 广东广宁广三保畜牧有限公司 Pig breeding house warm braw device that keeps warm

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204630321U (en) * 2015-01-04 2015-09-09 上海申光洗涤机械集团有限公司 Dryer gas-air heater
CN209415761U (en) * 2018-12-14 2019-09-20 安徽省久泰农业装备有限公司 A kind of combined hot-blast stove
CN210320726U (en) * 2019-03-29 2020-04-14 山东陆海新能源技术有限公司 Air source heat pump composite gas indirect type hot air system for poultry breeding
CN210569003U (en) * 2019-08-28 2020-05-19 厦门唯科健康产业有限公司 Humidifier with waterproof structure at vent
CN211430481U (en) * 2019-10-31 2020-09-08 广东广宁广三保畜牧有限公司 Pig breeding house warm braw device that keeps warm
CN111637625A (en) * 2020-06-12 2020-09-08 湖南劳动人事职业学院 A indirect type solid fuel electric fan heater for warmhouse booth

Also Published As

Publication number Publication date
CN113080069B (en) 2023-04-11

Similar Documents

Publication Publication Date Title
CN113080069B (en) Sectional combination formula agricultural heating installation
CN206891806U (en) One kind stand piece bakes piece machine
KR20200027207A (en) Ventilation Apparatus for cultivating mushroom
KR101490861B1 (en) Cyclone blower heater for cattle shed and plant cultivation
KR200394920Y1 (en) The solid fuel of hot blast heater
CN205623822U (en) Chick tuo wenshe
KR20190050407A (en) Air PreHeating and Humidification Ventilation Apparatus For Housing
CN212970925U (en) A atmospheric control system for chinese-medicinal material is grown seedlings
KR100729381B1 (en) Fan heater indirectness
JP6588284B2 (en) House environmental control machine
CN205617487U (en) Water supply installation
CN201322521Y (en) Grain drier installation
KR20190063301A (en) Blower unit for vinyl house
KR200245326Y1 (en) Air Ventilation System
KR200341149Y1 (en) Internal Air-Conditioning Device for Facility Keeping Warm
CN219330464U (en) Constant temperature incubator for silkworm breeding
CN217644428U (en) A heating heat preservation device that broods for chicken farm
JPH0779592B2 (en) Poultry house
KR200180332Y1 (en) Hot blast machine go abreast type oil and electric heating
CN211695116U (en) Chicken farm heater
CN212132879U (en) Multifunctional warm air blower
CN212006069U (en) Air blower device of air heater
KR200173828Y1 (en) Ventilating apparatus of pigsty
CN209345714U (en) Improved mushroom house
KR200393060Y1 (en) A roaster with water cooling system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant