CN105167126B - A kind of feed heating and energy saving stove - Google Patents
A kind of feed heating and energy saving stove Download PDFInfo
- Publication number
- CN105167126B CN105167126B CN201510546493.3A CN201510546493A CN105167126B CN 105167126 B CN105167126 B CN 105167126B CN 201510546493 A CN201510546493 A CN 201510546493A CN 105167126 B CN105167126 B CN 105167126B
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- combustion
- insulative board
- thermal insulative
- chamber
- energy saving
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 58
- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 244000144985 peep Species 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 13
- 239000002028 Biomass Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a kind of feed heating and energy saving stove, burner hearth, exhaust opening and main body including being surrounded by furnace wall are embedded in the crucible in burner hearth, the burner hearth middle part is transversely provided with one thermal insulative board, burner hearth is divided into superposed combustion chamber and the combustion-supporting chamber positioned at bottom, the combustion chamber is provided with the burner of insertion furnace wall, the exhaust opening is located at combustion-supporting chamber, and the thermal insulative board is provided with some glory holes, connects combustion chamber and combustion-supporting chamber；The Crucible body is embedded in combustion chamber.The beneficial effects of the invention are as follows：Burning is abundant, and heat exchange effect is good, and invalid hot driving is few, saving heat energy.
Description
Technical field
The present invention relates to a kind of aquaculture equipment, especially a kind of feed heating and energy saving stove.
Background technology
In feeding live pig and pig feed production and processing field, it is important action that pig feed heat.Heating
Pig feed is very long, it is necessary to consume many energy using the time of heating furnace.Existing feed heating furnace generally possesses a fuel
Room, the crucible for holding pig feed is embedded in a combustion chamber, and the top of combustion chamber is provided with the exhaust opening of insertion furnace wall, exhaust opening connection
Flue, to discharge the flue dust of fuel combustion.The heating furnace of this structure is disadvantageous in that, is discharged simultaneously during smoke evacuation
Substantial amounts of heat, energy utilization rate is relatively low, does not meet the economic development requirement of energy-saving and emission-reduction, the energy cost pressure of manufacturing enterprise
Power is also than larger.Chinese patent literature " CN201377981Y " discloses a kind of " thermal cycle environmental protection and energy saving smelting furnace ", the smelting furnace bag
Body of heater and the crucible supporting with body of heater are included, the bottom of furnace body is provided with air inlet, and the middle and upper part of the body of heater is provided with coal feed point,
The top of the body of heater is provided with a UTILIZATION OF VESIDUAL HEAT IN pipe, and the bottom of the UTILIZATION OF VESIDUAL HEAT IN pipe communicates with burner hearth, the UTILIZATION OF VESIDUAL HEAT IN pipe
Other end alignment crucible, on the body of heater along and crucible be provided with capping between this.The program is disadvantageous in that, furnace binding
Not perfect enough, heat dissipation is big, is only the design for having done waste heat recycling.
The content of the invention
The technical problem to be solved in the invention is that existing feed heating furnace body structure is not perfect enough, and heat dissipation is big,
So as to provide a kind of feed heating and energy saving stove with energy-saving effect in furnace binding design.
To achieve these goals, the present invention is adopted the following technical scheme that：A kind of feed heating and energy saving stove, including by furnace wall
The crucible that burner hearth, exhaust opening and the main body surrounded are embedded in burner hearth, the burner hearth middle part is transversely provided with one thermal insulative board,
Burner hearth is divided into superposed combustion chamber and the combustion-supporting chamber positioned at bottom, the combustion chamber is provided with the burner of insertion furnace wall, institute
Exhaust opening is stated located at combustion-supporting chamber, the thermal insulative board is provided with some glory holes, connect combustion chamber and combustion-supporting chamber；The Crucible body is buried
Located at combustion chamber.
In this programme, devise a thermal insulative board and separate burner hearth up and down, top is combustion chamber, and bottom is combustion-supporting
Room.The superposed combustion chamber of Crucible body, high temperature gas flow is passed through combustion chamber, crucible is heated from burner.Lower furnace portion
Combustion-supporting chamber, between combustion chamber and combustion-supporting chamber with thermal insulative board glory hole insertion connect, when high temperature gas flow with crucible
When turning cold after generation heat exchange, can because gravity by glory hole flowed into from the combustion chamber on top below combustion-supporting chamber；Lower section is combustion-supporting
The fuel of indoor uncombusted is burnt again herein, and the air that will have been cooled down is heated again, and heated air is gone up again
The combustion chamber for being raised to top carries out heat exchange.Combustion-supporting chamber is provided with exhaust opening, and the air-flow for fully turning cold is discharged from exhaust opening.Due to setting
Thermal insulative board is put, temperature highest air-flow is gathered in top all the time, and the air-flow turned cold by heat exchange can all the time flow to lower section
Combustion-supporting chamber, the temperature of the temperature of the combustion chamber of top all the time than the combustion-supporting chamber of lower section is high.Therefore, the crucible in combustion chamber is all the time
The maximum amount of heat energy of energy acquisition, and the air-flow discharged from the exhaust opening of combustion-supporting chamber, temperature is than directly from the gas of combustion chamber discharge
Stream low many of temperature, this means that substantial amounts of heat energy has been retained in burner hearth, effectively realizes energy-conservation purpose.
Preferably, the thermal insulative board is shaped as downwardly projecting sphere, the minimum point of sphere be located at crucible just under
Side.The principle that hot-air declines is risen according to cold air, can be gathered in by the air-flow turned cold after heat exchange in combustion chamber minimum
Place, this programme is to devise a thermal insulative board for spheric to collect the cold air of combustion chamber, while collecting the hot gas of combustion-supporting chamber
Stream is again introduced into combustion chamber, forms second-time burning, more preferable energy-conservation.
Preferably, the thermal insulative board includes thermal insulative board upper face located above and the thermal insulative board lower plate being located below
Face, is provided with hollow thermal insulation interlayer between thermal insulative board upper face and thermal insulative board lower face.This programme is in thermal insulative board medium design
One thermal insulation interlayer, used as the non-conductor of heat, the air in thermal insulation interlayer plays good heat keeping effect to combustion chamber,
Contribute to further energy-conservation.
Preferably, the glory hole is in the arrangement mode of thermal insulative board top panel, the thermal insulative board top panel sphere
Minimum point is provided with a glory hole being relatively large in diameter, and remaining glory hole is uniformly distributed on thermal insulative board；The glory hole is in thermal insulation
The arrangement mode of plate lower panel is to be uniformly distributed；Located at the floor projection of the glory hole of thermal insulative board lower panel and on thermal insulative board
The floor projection of the glory hole of panel is not overlapped.In this programme, positioned at the glory hole of thermal insulative board top panel and positioned at thermal insulative board
The glory hole of lower panel is designed to the mutual sequence in horizontal direction, and such design can be reduced because of gas stream in the stove flow at high speed
Caused hot-air is lost in, it is ensured that the combustion-supporting chamber of air natural subsidence most cold in combustion chamber to lower section, and in combustion-supporting chamber
Most hot air rises to the combustion chamber of top naturally.
Preferably, just to crucible bottom at the opening of the burner.The hot-air that burner is flowed into has in crucible bottom
More preferable heat exchange effect, the fuel of uncombusted also can faster gather thermal insulative board global minima, flow into combustion-supporting chamber of lower floor.
Preferably, the bottom shape of the combustion-supporting chamber is sphere protruding upward.The bottom shape of combustion-supporting chamber be set to
The sphere for protruding above, can help most cold air bells laid to gather the edge of combustion-supporting chamber bottom, and wave in thermal cycle is not added
Take fuel and heat.
Preferably, foot of the exhaust opening located at combustion-supporting chamber.Combustion-supporting chamber's foot is that whole furnace space is minimum
Region, the cold air of only fully release heat energy can just be settled and be gathered in this, and thus be discharged, and such design greatly reduces
Heat energy scatters and disappears.
Preferably, the bottom of the combustion-supporting chamber is additionally provided with the peep hole of insertion hearth wall, peep hole is externally provided with transparent
The hermatic door of exotic material.Peep hole is available for operating personnel to observe situation in burner hearth at any time, especially monitoring observation crucible
Whether rupture, whether feed leaks.If it is necessary, hermatic door can be opened to being cleared up in burner hearth.
In order to realize goal of the invention, the present invention can also be adopted the following technical scheme that：A kind of feed heating and energy saving stove, including
Burner hearth, two exhaust openings and main body are embedded in two crucibles in burner hearth, it is characterized in that, described two crucibles or so are side by side, main
Body is embedded in combustion chamber；The burner hearth middle part is transversely provided with one thermal insulative board, and burner hearth is divided into superposed combustion chamber and position
In the combustion-supporting chamber of bottom, the combustion chamber is provided with the burner of insertion furnace wall, just to two crucible bottoms at the opening of the burner
Centre position；The thermal insulative board is provided with some glory holes, and vertical insertion connects combustion chamber and combustion-supporting chamber；The row of the glory hole
Row mode is, each crucible is arranged right below a glory hole being relatively large in diameter, and two are provided between two underfaces of crucible
The individual less glory hole of diameter, remaining glory hole is uniformly distributed on thermal insulative board；Described two exhaust openings are respectively arranged on combustion-supporting chamber
The foot of the left and right sides；The bottom of the combustion-supporting chamber is additionally provided with the peep hole of insertion furnace wall, and peep hole is externally provided with transparent resistance to
The hermatic door of high-temperature material.This programme is applied to the type of furnace of double crucibles.Because two crucibles are placed side by side, so burner is opened
Just to two centre positions of crucible bottom at mouthful, to obtain more preferable heat exchange effect；Set between two underfaces of crucible
There are two less glory holes of diameter, just taken by cold airflow without heat exchange in order to burner thermal current out is reduced or avoided
Take the possibility of combustion-supporting chamber of lower floor to.
In sum, the beneficial effects of the invention are as follows：Burning is abundant, and heat exchange effect is good, and invalid hot driving is few, saves heat
Energy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 is the thermal insulative board schematic diagram of Fig. 1,
Fig. 4 is another structural representation of the invention,
Fig. 5 is the top view of Fig. 4,
Fig. 6 is the thermal insulative board schematic diagram of Fig. 4.
Wherein：1 burner, 2 crucibles, 3 thermal insulative boards, 4 exhaust openings, 5 glory holes, 6 peep holes, 11 combustion chambers, 12 combustion-supporting chamber, 31
Thermal insulative board top panel, 32 thermal insulative board lower panels, 33 thermal insulation interlayers, 41 chimneys.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
In embodiment 1 as shown in Figure 1 and Figure 2, a kind of feed heating and energy saving stove is cylinder, including burner hearth, exhaust opening 4
It is pig feed to be heated to be embedded in main body in a crucible 2 in burner hearth, crucible, and burner hearth middle part is transversely provided with one thermal insulation
Plate 3, superposed combustion chamber 11 and the combustion-supporting chamber 12 positioned at bottom are divided into by burner hearth.Thermal insulative board is shaped as downwardly projecting ball
Face, the minimum point of sphere is located at the underface of crucible；Thermal insulative board is provided with some glory holes 5, connects combustion chamber and combustion-supporting chamber；Thermal insulation
Plate includes thermal insulative board upper face 31 located above and the thermal insulative board lower face 32 being located below, thermal insulative board upper face and thermal insulation
Hollow thermal insulation interlayer 31 is provided between plate lower face；Glory hole is in the arrangement mode of thermal insulative board top panel, the thermal insulative board
The minimum point of top panel sphere is provided with a glory hole being relatively large in diameter, and remaining glory hole is uniformly distributed on thermal insulative board；It is described
Glory hole is to be uniformly distributed in the arrangement mode of thermal insulative board lower panel；Located at thermal insulative board lower panel glory hole floor projection with
Floor projection located at the glory hole of thermal insulative board top panel is not overlapped.As shown in figure 3, in this example thermal insulative board top panel select be
9 glory holes, glory hole being relatively large in diameter located at thermal insulative board top panel sphere minimum point, remaining 8 glory hole every
It is uniformly distributed on warm plate top panel.Crucible body is embedded in combustion chamber, and combustion chamber is provided with the burner 1 of insertion hearth wall, burner
Just to crucible bottom at opening.The bottom shape of combustion-supporting chamber is sphere protruding upward；The foot of combustion-supporting chamber is provided with exhaust opening,
Exhaust opening connects chimney 41；The bottom of combustion-supporting chamber is additionally provided with the peep hole 6 of insertion hearth wall, and peep hole is externally provided with transparent resistance to height
The hermatic door of adiabator.Burner connects biomass combustion furnace, to transmitting heat energy in stove, the biomass combustion of this example selection
Stove is 300,000 kilocalorie biomass fuel machines of Yongkang Bodhidharma company production.
A kind of feed heating and energy saving stove of the present embodiment, when in use, hot-air is burnt by biomass combustion furnace and generated, then
The combustion chamber on top is sent into by burner, hot-air occurs heat exchange with crucible in combustion chamber, by what is turned cold after heat exchange
Air flows downward with imperfect combustion fuel, partly by being arranged in the flame of thermal insulative board top panel and thermal insulative board lower panel
Hole enters the combustion-supporting chamber of lower section, partly accumulates to the sphere lowest part of thermal insulative board top panel, from being located at being relatively large in diameter herein
Glory hole flows to thermal insulation interlayer, and the combustion-supporting chamber below thermal insulative board is finally flowed into again.Imperfect combustion fuel is carried out in combustion-supporting chamber
Fully burning, hot-air is heated into by air colder in combustion-supporting chamber, and this part hot-air returns to burning again by glory hole
Room heats to crucible.Most cold partial air in combustion-supporting chamber, sinks to the convex spherical bottom of combustion-supporting chamber under gravity
The edge in portion, when burner sends into new hot-air, exhaust opening is extruded by air pressure, is escaped by chimney.
By actual measurement, as a example by heating 200 liter pig feeds, this feed heating and energy saving stove ratio uses conventional feed heating furnace
Saving of time 7 minutes, fuel consumption reduces 12.2 kilograms.
Embodiment 2
In embodiment 1 as shown in Figure 4, Figure 5, a kind of feed heating and energy saving stove is elliptical cylinder-shape, including burner hearth, smoke evacuation
It is pig feed to be heated that mouth 4 and main body are embedded in 2 crucibles 2 in burner hearth, crucible side by side, and burner hearth middle part is transversely provided with one
Road thermal insulative board 3, superposed combustion chamber 11 and the combustion-supporting chamber 12 positioned at bottom are divided into by burner hearth.Thermal insulative board is provided with some flames
Hole 5, vertical insertion connects combustion chamber and combustion-supporting chamber, as shown in fig. 6, this example selection is 14 glory holes, the glory hole
Arrangement mode is, each crucible is arranged right below a glory hole being relatively large in diameter, and is provided between two underfaces of crucible
Two less glory holes of diameter, remaining glory hole is uniformly distributed on thermal insulative board.Crucible body is embedded in combustion chamber, combustion chamber
The burner 1 of insertion hearth wall is provided with, just to crucible bottom at the opening of burner.The foot of combustion-supporting chamber is provided with exhaust opening, smoke evacuation
Mouth connection chimney 41.The bottom of combustion-supporting chamber is additionally provided with the peep hole 6 of insertion hearth wall, and peep hole is externally provided with transparent high temperature resistant material
Expect the hermatic door of system.Burner connects biomass combustion furnace, and to transmitting heat energy in stove, the biomass combustion furnace of this example selection is
300,000 kilocalorie biomass fuel machines of Yongkang Bodhidharma company production.
A kind of feed heating and energy saving stove of the present embodiment, when in use, hot-air is burnt by biomass combustion furnace and generated, then
The combustion chamber on top is sent into by burner, hot-air occurs heat exchange with crucible in combustion chamber, by what is turned cold after heat exchange
Air is flowed downward with imperfect combustion fuel, and the combustion-supporting chamber of lower section is flowed to by the glory hole for being arranged in periphery.Combustion-supporting chamber
Interior imperfect combustion fuel is fully burnt, and air colder in combustion-supporting chamber is heated into hot-air, this part hot-air
Combustion chamber is returned to again by glory hole to heat crucible.Most cold partial air in combustion-supporting chamber, under gravity under
The bottom of combustion-supporting chamber is sunk to, when burner sends into new hot-air, exhaust opening is extruded by air pressure, escaped by chimney.
By actual measurement, as a example by heating 200 liter pig feeds, this feed heating and energy saving stove ratio uses conventional feed heating furnace
Saving of time 9 minutes, fuel consumption reduces 15.1 kilograms.
Claims (8)
1. a kind of feed heating and energy saving stove, including be embedded in burner hearth by burner hearth, exhaust opening (4) and main body that furnace wall surrounds
Crucible (2), it is characterized in that, burner hearth middle part is transversely provided with one thermal insulative board (3), and burner hearth is divided into superposed burning
Room (11) and the combustion-supporting chamber (12) positioned at bottom, the combustion chamber are provided with the burner (1) of insertion furnace wall, and the exhaust opening is located at and helps
Combustion room, the thermal insulative board is provided with some glory holes (5), connects combustion chamber and combustion-supporting chamber；The Crucible body is embedded in combustion chamber.
2. a kind of feed heating and energy saving stove according to claim 1, it is characterized in that, being shaped as the thermal insulative board is convex downwards
The sphere for going out, the minimum point of sphere is located at the underface of crucible.
3. a kind of feed heating and energy saving stove according to claim 1 and 2, it is characterized in that, the thermal insulative board includes being located at upper
The thermal insulative board upper face (31) in face and the thermal insulative board lower face (32) being located below, thermal insulative board upper face and thermal insulative board lower face it
Between be provided with hollow thermal insulation interlayer (33).
4. a kind of feed heating and energy saving stove according to claim 3, it is characterized in that, the glory hole is in thermal insulative board top panel
Arrangement mode be that the minimum point of the thermal insulative board top panel sphere is provided with a glory hole being relatively large in diameter, remaining glory hole
It is uniformly distributed on thermal insulative board；The glory hole is to be uniformly distributed in the arrangement mode of thermal insulative board lower panel；Under thermal insulative board
The floor projection of the glory hole of panel is not overlap with the floor projection of the glory hole located at thermal insulative board top panel.
5. a kind of feed heating and energy saving stove according to claim 1 and 2, it is characterized in that, it is just right at the opening of the burner
Crucible bottom.
6. a kind of feed heating and energy saving stove according to claim 1 and 2, it is characterized in that, the bottom shape of the combustion-supporting chamber
It is sphere protruding upward.
7. a kind of feed heating and energy saving stove according to claim 1 or 6, it is characterized in that, the exhaust opening is located at combustion-supporting chamber
Foot.
8. a kind of feed heating and energy saving stove according to claim 1 and 2, it is characterized in that, the bottom of the combustion-supporting chamber also sets
There is the peep hole (6) of insertion furnace wall, peep hole is externally provided with the hermatic door of transparent high temperature resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546493.3A CN105167126B (en) | 2015-08-31 | 2015-08-31 | A kind of feed heating and energy saving stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546493.3A CN105167126B (en) | 2015-08-31 | 2015-08-31 | A kind of feed heating and energy saving stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105167126A CN105167126A (en) | 2015-12-23 |
| CN105167126B true CN105167126B (en) | 2017-06-23 |
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ID=54889966
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510546493.3A Active CN105167126B (en) | 2015-08-31 | 2015-08-31 | A kind of feed heating and energy saving stove |
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| Country | Link |
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| CN (1) | CN105167126B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1038261A (en) * | 1996-07-18 | 1998-02-13 | Toyota Motor Corp | Combustion device |
| CN201377981Y (en) * | 2009-03-23 | 2010-01-06 | 王明东 | Thermal circulation environment-friendly and energy-saving melting furnace |
| CN201497019U (en) * | 2009-06-18 | 2010-06-02 | 浙江工业大学 | Energy-saving household cooker |
| US20120052451A1 (en) * | 2010-08-31 | 2012-03-01 | General Electric Company | Fuel nozzle and method for swirl control |
| CN203454747U (en) * | 2013-06-21 | 2014-02-26 | 成都赛德立热能科技有限公司 | Crucible aluminum melting furnace |
| CN203657465U (en) * | 2013-12-20 | 2014-06-18 | 邵宏 | Energy-saving vacuum double-cavity maintaining furnace |
| CN205018267U (en) * | 2015-08-31 | 2016-02-10 | 天蓬集团有限公司 | Fodder adds heat energy -saving stove |
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2015
- 2015-08-31 CN CN201510546493.3A patent/CN105167126B/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Feed heating and energy-saving furnace Effective date of registration: 20171226 Granted publication date: 20170623 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: TIANPENG GROUP Co.,Ltd. Registration number: 2017330000335 |
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Date of cancellation: 20210528 Granted publication date: 20170623 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: TIANPENG GROUP Co.,Ltd. Registration number: 2017330000335 |
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Effective date of registration: 20210617 Address after: 324000 No.38 yutougang, Hecun Town, Quzhou City, Zhejiang Province Patentee after: ZHEJIANG NATUFEED LIVESTOCK Co.,Ltd. Address before: No.38 yutougang, Hecun Town, Jiangshan City, Quzhou City, Zhejiang Province Patentee before: TIANPENG GROUP Co.,Ltd. |
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Effective date of registration: 20230606 Address after: No. 38-2, Yutougang Natural Village, Yutou Village, Hecun Town, Jiangshan, Quzhou, Zhejiang Province 324111 Patentee after: Zhejiang Tianpeng Agricultural Development Co.,Ltd. Address before: 324000 No.38 yutougang, Hecun Town, Quzhou City, Zhejiang Province Patentee before: ZHEJIANG NATUFEED LIVESTOCK Co.,Ltd. |
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Denomination of invention: A feed heating energy-saving furnace Effective date of registration: 20230828 Granted publication date: 20170623 Pledgee: Zhejiang Jiangshan Rural Commercial Bank Co.,Ltd. Economic Development Zone Green Exclusive Sub branch Pledgor: Zhejiang Tianpeng Agricultural Development Co.,Ltd. Registration number: Y2023980053922 |