CN109028898A - A kind of cross-flow type crop dryer - Google Patents
A kind of cross-flow type crop dryer Download PDFInfo
- Publication number
- CN109028898A CN109028898A CN201810825057.3A CN201810825057A CN109028898A CN 109028898 A CN109028898 A CN 109028898A CN 201810825057 A CN201810825057 A CN 201810825057A CN 109028898 A CN109028898 A CN 109028898A
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- Prior art keywords
- layer
- air drying
- cross
- drying body
- heated
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
-
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- 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
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
Abstract
The invention belongs to crop dryer technical field and disclose a kind of cross-flow type crop dryer；Including crop dryer ontology; the crop dryer ontology is equipped with external protection, intermediate thermal insulating layer and inner protective layer; first chamber is equipped between the external protection and intermediate thermal insulating layer; it is equipped with second chamber between the inner protective layer and intermediate thermal insulating layer, is successively made of from top to bottom grain storage section, cross-current drying section and grain discharging section in the intermediate thermal insulating layer；Six layers of cross-current drying layer are equipped in the cross-current drying section；The cross-current drying layer includes heated-air drying body and cold air drying body, and hot blast feeding pipe is equipped in the second chamber, is equipped with cold wind supply pipe in the first chamber.The grain dry degree of apparatus of the present invention is high, grain dry is uniform, has very extensive application prospect.
Description
Technical field
The present invention relates to crop dryer technical field more particularly to a kind of cross-flow type crop dryers.
Background technique
The various cereal agriculturally harvested are intended to carry out removal moisture drying processing, and the purpose of removal moisture drying processing is to reduce
Its internal moisture reduces water content in cereal, reduce water content on the one hand can reduce cereal voluntarily respiration and disappear
Energy consumption；On the other hand avoid moisture content is excessively high from leading to grain germination, mildew.Large-scale grain dry master in the prior art
Crop dryer is used, has the advantages that dewatering time is short, it is high-efficient to be dried, the matter of cereal storage has been effectively ensured
Amount, reduces the probability of Moldy Foodstuff, germination, and to ensuring that it is vital that grain security plays the role of, cereal is dry in recent years
Dry machine is quickly grown, increasingly by the welcome of users.
The dry section of crop dryer generally uses cross-flow type structure in the prior art.There is several be vertically arranged in dry section
And cereal channel parallel to each other.Cereal channel two sides are perforation sieve plate, have uniformly been covered on sieve plate and have been less than cereal-granules geometry
The through-hole of size.Hot-air channel and cooling wind channel have been alternatively arranged between cereal channel.Cereal in cereal channel it is vertical from
Upper slowly flowing downwards, hot wind is out of hot-air channel horizontal through sieve plate, release heat and after absorbing grain moisture, into cooling
Air duct.According to the difference of dried grain kind, the hot blast temperature in hot-air channel is between 45 DEG C -160 DEG C, cooling wind channel
Interior air temperature drops to 8 DEG C higher than environment temperature hereinafter, wind-warm syndrome difference in two sides is larger.Even low temperature drying thermal sensitivity paddy
When, two sides wind-warm syndrome differs also at 15 DEG C or more.Since cereal channel temperature difference differs larger, cause close to hot-air channel
Cereal absorption heat is more, and the cereal absorption heat close to cold side is few, causes the grain dry speed close to hot-air channel side fast,
Grain dry speed close to cold side is slow, so that rate of drying is inconsistent, unevenly.
The draught area of existing crop dryer cross-flow type dry section is less than normal, and the ratio of tempering time and drying time are inclined
Greatly, drying efficiency is relatively low.And cereal during slow downlink, substantially belongs to orderly arrangement campaign, leans in cereal channel
The cereal absorption heat of near-thermal wind channel side is more, and it is few to absorb heat close to the cereal of cold side.And this state is each
Cyclic drying process is held essentially constant, fast so as to cause the grain dry speed close to hot-air channel side, and close to cold side
Grain dry speed it is slow, form the inconsistent of rate of drying, unevenly.In consideration of it, how to provide, a kind of degree of drying is high, paddy
The cross-flow type crop dryer of object uniform drying is the technical problem that those skilled in the art need to solve.
Summary of the invention
For above-mentioned shortcoming in the prior art, the present invention provides a kind of degree of drying height, grain dry are uniform
Cross-flow type crop dryer.
The present invention using following technical scheme in order to solve the above technical problems, realized:
A kind of cross-flow type crop dryer is designed, including the crop dryer ontology being vertically arranged, the crop dryer
Ontology is equipped with external protection, intermediate thermal insulating layer and inner protective layer, and the intermediate thermal insulating layer is coated on the outside of inner protective layer, described
External protection is coated on the outside of intermediate thermal insulating layer, and first chamber is equipped between the external protection and intermediate thermal insulating layer, described
Second chamber is equipped between inner protective layer and intermediate thermal insulating layer；From top to bottom successively by grain storage section, cross in the intermediate thermal insulating layer
Flow dryer section and grain discharging section composition；
Six layers of cross-current drying layer are equipped in the cross-current drying section；The cross-current drying layer include heated-air drying body and
Cold air drying body, the heated-air drying body and cold air drying body surface face are perforation sieve plate；The heated-air drying body and cold air drying
Dry body is successively arranged alternately in parallel, and is acute angle or obtuse angle with the angle of horizontal plane；The heated-air drying body and cold air drying body
Between form the Grain flow channel for being used for Grain flow, crossing current described in cross-current drying layer described in upper one layer and next layer is dry
Dry layer is symmetrical set in the horizontal direction；Hot blast feeding pipe, the hot blast feeding Guan Yu are equipped in the second chamber
One layer, third layer, heated-air drying body is connected described in layer 5, and heated-air drying body and second described in the first layer
Heated-air drying body described in layer passes sequentially through the connection of hot wind connecting tube, described in heated-air drying body described in third layer and the 4th layer
Heated-air drying body passes sequentially through the connection of hot wind connecting tube, heated-air drying described in heated-air drying body described in layer 5 and layer 6
Body passes sequentially through the connection of hot wind connecting tube, and the second layer, the 4th layer and layer 6 are far from hot air drying described in hot blast feeding pipe one end
Hot air circulation is connected in second chamber by dry body by hot wind connecting tube；Cold wind supply pipe, institute are equipped in the first chamber
The cold wind supply pipe stated is connected with cold air drying body described in the second layer, the 4th layer, layer 6, and described in the second layer
Cold air drying body pass sequentially through cold wind connecting tube with cold air drying body described in first layer and connect, cold air drying described in the 4th layer
Dry body passes sequentially through cold wind connecting tube with cold air drying body described in third layer and connect, cold air drying body described in layer 6 and
Cold air drying body described in five layers passes sequentially through the connection of cold wind connecting tube, and first layer, third layer and layer 5 are supplied far from cold wind
Cold wind is connected by circulation to first chamber by cold air drying body described in pipe one end by cold wind connecting tube.
Preferably, for the intermediate thermal insulating layer as made by clay brick, clay brick is low in cost, and good heat-insulation effect is convenient for
Maintenance.
Preferably, the angular range of the heated-air drying body and cold air drying body is 30 ° -60 ° or 120 ° -150 °.
Preferably, the hot blast feeding pipe surface is coated with insulating layer, further increases heat insulation effect.
Preferably, the inner protective layer surface is coated with insulating layer, further increases heat insulation effect.
Preferably, crop dryer ontology lower end is equipped with bracket.
A kind of cross-flow type crop dryer proposed by the present invention, beneficial effect are:
(1) it is provided with six layers of cross-current drying layer in present system cross-current drying section, is handed between each layer of cross-current drying layer
It is provided with heated-air drying body and cold air drying body wrongly, it is horizontal right between upper one layer of cross-current drying layer and next layer of cross-current drying layer
Claim setting, and heated-air drying body and cold air drying body are interwoven, so that cross-current drying section is in the horizontal direction and vertically
Direction has been respectively formed on the structure that hot-flow flue and cooling air channel are staggered, solve cross-flow type drying machine in the prior art because
Cereal absorption heat close to heated-air drying side is more, and the cereal absorption heat close to cold air drying side is few, to cause paddy
Inconsistent, uneven, the halfway problem of the dry rate of drying of object；
(2) second chamber of the present system on the outside of inner protective layer collects the hot wind of drying, plays to cross-current drying
Grain heat preservation, the effect to grain preheating in grain storage section effectively increase the utilization efficiency of the energy in section；
(3) the heated-air drying body of apparatus of the present invention is arranged in parallel and at an acute angle or blunt with horizontal direction with cold air drying body
Angle, this structure design so that Grain flow channel becomes staggered curve shape, a side by rectilinear form in the prior art
Face extends the length in Grain flow channel, improves the distance that cereal flows in Grain flow channel, improves grain-drying
Time, and then improve the degree of grain-drying；On the other hand this structure reduces the flowing velocity of cereal, improves cereal baking
The dry time, and then further improve the degree of grain-drying.
(4) the grain dry degree of apparatus of the present invention is high, grain dry is uniform, has very extensive application prospect.
Detailed description of the invention
The present invention is described in further detail for embodiment in reference to the accompanying drawing, but does not constitute to of the invention
Any restrictions.
Fig. 1 is cross-current drying segment structure schematic diagram in apparatus of the present invention；
Fig. 2 is cross-current drying segment structure schematic diagram in apparatus of the present invention；
Fig. 3 is cross-current drying segment structure schematic diagram in apparatus of the present invention；
Fig. 4 is the structural schematic diagram of apparatus of the present invention.
In figure: crop dryer ontology 1, external protection 2, intermediate thermal insulating layer 3, inner protective layer 4, first chamber 5, the second chamber
Room 6, grain storage section 7, cross-current drying section 8, cross-current drying floor 9, heated-air drying body 10, cold air drying body 11, Grain flow channel 12,
Hot blast feeding pipe 13, hot wind connecting tube 14, cold wind supply pipe 15, cold wind connecting tube 16, bracket 17, grain discharging section 18.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
Refering to shown in attached drawing 1- attached drawing 4, a kind of cross-flow type crop dryer of the invention, the cereal including being vertically arranged is done
Dry machine ontology 1, the crop dryer ontology 1 are equipped with external protection 2, intermediate thermal insulating layer 3 and inner protective layer 4, the middle interval
Thermosphere 3 is coated on the outside of inner protective layer 4, and the external protection 2 is coated on the outside of intermediate thermal insulating layer 3, the external protection 2
It is equipped with first chamber 5 between intermediate thermal insulating layer 3, second chamber 6, institute are equipped between the inner protective layer 4 and intermediate thermal insulating layer 3
It states in intermediate thermal insulating layer 3 and is successively made of from top to bottom grain storage section 7, cross-current drying section 8 and grain discharging section 9；
Six layers of cross-current drying layer 9 are equipped in the cross-current drying section 8；The cross-current drying layer 9 includes heated-air drying
Body 10 and cold air drying body 11, the heated-air drying body 10 and 11 surface of cold air drying body are perforation sieve plate, the hot air drying
Dry body 10 with cold air drying body 11 is successively parallel is arranged alternately, and be acute angle or obtuse angle, heated-air drying body with the angle of horizontal plane
The Grain flow channel 12 for being used for Grain flow, cross-current drying layer 9 described in upper one layer are formed between 10 and cold air drying body 11
It is symmetrical set in the horizontal direction with cross-current drying layer 9 described in next layer；Hot blast feeding pipe is equipped in the second chamber 9
13, the hot blast feeding pipe 13 is connected with heated-air drying body 10 described in first layer, third layer, layer 5, and described
Heated-air drying body 10 described in first layer passes sequentially through hot wind connecting tube 14 with heated-air drying body 10 described in the second layer and connect, the
Heated-air drying body 10 described in three layers passes sequentially through hot wind connecting tube 14 with heated-air drying body 10 described in the 4th layer and connect, and the 5th
Heated-air drying body 10 described in layer passes sequentially through hot wind connecting tube 14 with heated-air drying body 10 described in layer 6 and connect, and second
Layer, the 4th layer and layer 6 pass through hot wind connecting tube 14 for hot wind far from heated-air drying body 10 described in 13 one end of hot blast feeding pipe
It is connected by circulation to second chamber 6；It is equipped with cold wind supply pipe 15 in the first chamber 5, the cold wind supply pipe 15 and the
Two layers, the 4th layer, cold air drying body 11 is connected described in layer 6, and cold air drying body 11 described in the second layer with
Cold air drying body 11 described in first layer passes sequentially through the connection of cold wind connecting tube 16, cold air drying body 11 described in the 4th layer and the
Cold air drying body 11 described in three layers passes sequentially through the connection of cold wind connecting tube 16, cold air drying body 11 and the 5th described in layer 6
Cold air drying body 11 described in layer passes sequentially through the connection of cold wind connecting tube 16, and first layer, third layer and layer 5 are supplied far from cold wind
Cold air drying body 11 cold wind should be connected by circulation to first chamber 5 by cold wind connecting tube 16 described in 14 one end of pipe, it is described
Intermediate thermal insulating layer 3 as made by clay brick, the angle of the heated-air drying body 10 and cold air drying body 11 be 30 ° or
120 °, 13 surface of hot blast feeding pipe is coated with insulating layer, and 4 surface of inner protective layer is coated with insulating layer, the cereal
1 lower end of drying machine body is equipped with bracket 17.
Working principle: apparatus of the present invention are provided with six layers of cross-current drying layer 9 in cross-current drying section 8, and each layer of crossing current is dry
Heated-air drying body 10 and cold air drying body 11, upper one layer of cross-current drying layer 9 and next layer of crossing current are alternately provided between dry layer 9
Horizontal symmetrical is arranged between drying layer 9, and heated-air drying body 10 and cold air drying body 11 are interwoven, pass through hot blast feeding
Pipe 13 gives heated-air drying body 10 to provide the heat of drying, is provided and is recycled with cold to cold air drying body 11 by cold wind supply pipe 15
Wind, design enables cereal equably to carry out with heated-air drying body 10 when flowing through Grain flow channel 12 through this structure
Contact reaches the uniform purpose of drying；The second chamber 6 that 4 outside of inner protective layer is arranged in simultaneously collects the hot wind of drying, rises
Grain is kept the temperature in cross-current drying section 8, and the effect to grain preheating in grain storage section 7 effectively increases the utilization efficiency of the energy；
The heated-air drying body 10 and cold air drying body 11 of last apparatus of the present invention be arranged in parallel and with horizontal direction is at an acute angle or obtuse angle, this
Structure designs so that Grain flow channel 12 becomes staggered curve shape by rectilinear form in the prior art, on the one hand prolongs
The length for having grown Grain flow channel 12 improves the distance that cereal flows in Grain flow channel 12, and then improves cereal
The degree of drying；On the other hand this structure reduces the flowing velocity of cereal, improves the time of grain-drying, and then further
Improve the degree of grain-drying.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of cross-flow type crop dryer, including the crop dryer ontology (1) being vertically arranged, which is characterized in that the paddy
Object drying machine body (1) includes external protection (2), intermediate thermal insulating layer (3) and inner protective layer (4), intermediate thermal insulating layer (3) packet
The outside of inner protective layer (4) is overlayed on, the external protection (2) is coated on the outside of intermediate thermal insulating layer (3), the external protection
(2) first chamber (5) are equipped between intermediate thermal insulating layer (3), are equipped between the inner protective layer (4) and intermediate thermal insulating layer (3)
Second chamber (6)；From top to bottom successively by grain storage section (7), cross-current drying section (8) and grain discharging section in the intermediate thermal insulating layer (3)
(18) it forms；
Six layers of cross-current drying layer (9) are equipped in the cross-current drying section (8)；The cross-current drying layer (9) includes hot air drying
Dry body (10) and cold air drying body (11), the heated-air drying body (10) and cold air drying body (11) surface are perforation sieve plate；Institute
The heated-air drying body (10) stated with cold air drying body (11) is successively parallel is arranged alternately, and with the angle of horizontal plane be acute angle or blunt
Angle；The Grain flow channel (12) for being used for Grain flow is formed between the heated-air drying body (10) and cold air drying body (11),
Cross-current drying layer (9) described in upper one layer is symmetrical set in the horizontal direction with cross-current drying layer (9) described in next layer；Institute
It states in second chamber (6) and is equipped with hot blast feeding pipe (13), the hot blast feeding pipe (13) and first layer, third layer, layer 5
The heated-air drying body (10) is connected, and heat described in heated-air drying body (10) described in the first layer and the second layer
Wind hirudo leech (10) pass sequentially through hot wind connecting tube (14) connection, heated-air drying body (10) described in third layer with described in the 4th layer
Heated-air drying body (10) pass sequentially through hot wind connecting tube (14) connection, heated-air drying body (10) and layer 6 described in layer 5
The heated-air drying body (10) passes sequentially through hot wind connecting tube (14) connection, and the second layer, the 4th layer and layer 6 are far from hot wind
Hot air circulation is connected to second chamber by hot wind connecting tube (14) by heated-air drying body (10) described in supply pipe (13) one end
(6) in；Cold wind supply pipe (15) are equipped in the first chamber (5), the cold wind supply pipe (15) and the second layer, the 4th
Cold air drying body (11) described in layer, layer 6 is connected, and cold air drying body (11) and first described in the second layer
Layer described in cold air drying body (11) pass sequentially through cold wind connecting tube (16) connection, cold air drying body (11) described in the 4th layer with
Cold air drying body (11) described in third layer passes sequentially through cold wind connecting tube (16) connection, cold air drying body described in layer 6
(11) it passes sequentially through cold wind connecting tube (16) with cold air drying body (11) described in layer 5 to connect, first layer, third layer and
Cold wind is recycled company by cold wind connecting tube (16) far from cold air drying body (11) described in cold wind supply pipe (14) one end by five layers
It is connected in first chamber (5).
2. a kind of cross-flow type crop dryer according to claim 1, which is characterized in that the intermediate thermal insulating layer (3)
As made by clay brick.
3. a kind of cross-flow type crop dryer according to claim 1, which is characterized in that the heated-air drying body (10)
Angular range with cold air drying body (11) is 30 ° -60 ° or 120 ° -150 °.
4. a kind of cross-flow type crop dryer according to claim 1, which is characterized in that the hot blast feeding pipe (13)
Surface is coated with insulating layer.
5. a kind of cross-flow type crop dryer according to claim 1, which is characterized in that described inner protective layer (4) table
Face is coated with insulating layer.
6. a kind of cross-flow type crop dryer according to claim 1, which is characterized in that the crop dryer ontology
(1) lower end is equipped with bracket (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825057.3A CN109028898B (en) | 2018-07-25 | 2018-07-25 | Cross-flow type grain drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825057.3A CN109028898B (en) | 2018-07-25 | 2018-07-25 | Cross-flow type grain drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109028898A true CN109028898A (en) | 2018-12-18 |
| CN109028898B CN109028898B (en) | 2020-09-22 |
Family
ID=64645893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810825057.3A Active CN109028898B (en) | 2018-07-25 | 2018-07-25 | Cross-flow type grain drying machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109028898B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405349A (en) * | 2021-05-20 | 2021-09-17 | 东台恒禾丰食品有限公司 | Cross-flow type grain drying machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325730Y (en) * | 1997-12-02 | 1999-06-23 | 刘荣凯 | Over heating steam type chamber for drying wood |
| CN105698517A (en) * | 2016-04-08 | 2016-06-22 | 长沙万华机器有限公司 | Crossflow type grain drying mechanism |
| CN206146122U (en) * | 2016-09-20 | 2017-05-03 | 广东五星太阳能股份有限公司 | Baking house that hydrofuge heat energy once utilized |
| CN108142548A (en) * | 2016-12-05 | 2018-06-12 | 天津科技大学 | A kind of grain drying equipment of fair current crossing current combination |
-
2018
- 2018-07-25 CN CN201810825057.3A patent/CN109028898B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325730Y (en) * | 1997-12-02 | 1999-06-23 | 刘荣凯 | Over heating steam type chamber for drying wood |
| CN105698517A (en) * | 2016-04-08 | 2016-06-22 | 长沙万华机器有限公司 | Crossflow type grain drying mechanism |
| CN206146122U (en) * | 2016-09-20 | 2017-05-03 | 广东五星太阳能股份有限公司 | Baking house that hydrofuge heat energy once utilized |
| CN108142548A (en) * | 2016-12-05 | 2018-06-12 | 天津科技大学 | A kind of grain drying equipment of fair current crossing current combination |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405349A (en) * | 2021-05-20 | 2021-09-17 | 东台恒禾丰食品有限公司 | Cross-flow type grain drying machine |
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| Publication number | Publication date |
|---|---|
| CN109028898B (en) | 2020-09-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A cross flow grain dryer Effective date of registration: 20210524 Granted publication date: 20200922 Pledgee: Industrial and Commercial Bank of China Limited Lu'an branch Pledgor: ANHUI CHENYU MECHANICAL Co.,Ltd. Registration number: Y2021980003892 |
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Date of cancellation: 20220520 Granted publication date: 20200922 Pledgee: Industrial and Commercial Bank of China Limited Lu'an branch Pledgor: ANHUI CHENYU MECHANICAL Co.,Ltd. Registration number: Y2021980003892 |
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Denomination of invention: A Cross flow Grain Dryer Effective date of registration: 20220926 Granted publication date: 20200922 Pledgee: China Co. truction Bank Corp East New Town sub branch Lu'an Pledgor: ANHUI CHENYU MECHANICAL Co.,Ltd. Registration number: Y2022980016571 |