CN112090727B - Dry-mixed mortar aggregate drying and screening device - Google Patents
Dry-mixed mortar aggregate drying and screening device Download PDFInfo
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- CN112090727B CN112090727B CN202010828303.8A CN202010828303A CN112090727B CN 112090727 B CN112090727 B CN 112090727B CN 202010828303 A CN202010828303 A CN 202010828303A CN 112090727 B CN112090727 B CN 112090727B
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- screening
- cavity
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- dry
- mixed mortar
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- 238000012216 screening Methods 0.000 title claims abstract description 122
- 238000001035 drying Methods 0.000 title claims abstract description 39
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B08B1/12—
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- B08B1/32—
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a dry-mixed mortar aggregate drying and screening device, which relates to the field of dry-mixed mortar aggregate production, and is characterized in that a scattering mechanism is arranged to scatter materials, so that the drying is more uniform and thorough, related components in a screening cavity are thoroughly screened during screening, the materials can be screened in multiple stages one by one, the structure is simple, a plurality of rotating cross rods on different driven rotating shafts are arranged in a staggered manner, the coverage surface of the rotating cross rods during rotation is larger and more complete, the materials are prevented from being accumulated on a fixed supporting cavity by arranging brush bristles, the aperture of screening through holes arranged in two or three adjacent screening areas is the same, so that the two or three screening areas form a same-grade screening group, the materials with corresponding granularity can be thoroughly separated out, the materials cannot enter the next screening group, an end baffle plate is arranged to shield the just fallen materials, and finally residual materials can smoothly fall down after being screened by a screening turntable.
Description
Technical Field
The invention relates to the technical field of dry-mixed mortar aggregate production, in particular to a dry-mixed mortar aggregate drying and screening device.
Background
Dry-mixed mortar aggregate often needs to be dried, but the phenomenon that a large amount of materials are gathered often exists in the dry in-process of current drying device, if in the in-process of feeding, the material is the state of gathering, just so leads to drying inhomogeneous, not thorough, consequently, provides a dry-mixed mortar aggregate drying and screening device now, can carry out screening work when dry even thorough.
Disclosure of Invention
The invention aims to provide a dry-mixed mortar aggregate drying and screening device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a dry-mixed mortar aggregate drying and screening device comprises a treatment box body, wherein the upper end of the treatment box body is provided with at least one trumpet-shaped feeding funnel, and the side surface of the processing box body is provided with a plurality of switch sealing doors, the processing box body comprises a drying cavity, a screening cavity and a driving cavity from top to bottom, the drying cavity is internally provided with a heating component and a scattering mechanism, the scattering mechanism comprises a fixed supporting cavity with the upper end arranged in an arc shape, a plurality of fixed supporting rods for fixedly supporting the fixed supporting cavity are arranged between the fixed supporting cavity and the processing box body, an intermediate gear and a plurality of driven gears are rotatably clamped in the fixed supporting cavity, the driven gears are arranged on the outer sides of the intermediate gears and are meshed with the intermediate gears, a driven rotating shaft is fixedly connected to each driven gear, a plurality of rotating cross rods are fixedly arranged on the side faces of the driven gears, and an intermediate rotating shaft for driving the intermediate gears to rotate is further arranged on the side faces of the driven gears; a guide inclined plate for separating and gathering materials is arranged between the drying cavity and the screening cavity, a screening rotary table is arranged in the screening cavity, a plurality of screening stop strips with triangular cross-sectional profiles are arranged on the upper surface of the screening rotary table, edge baffles are fixedly arranged on the edges of the screening stop strips, at least one screening through hole is arranged in each screening zone between every two screening stop strips, the aperture of each screening through hole in different screening zones is sequentially increased according to a certain direction, a blanking hose for connecting the screening zone with the smallest aperture is arranged between the screening zone with the screening through hole and the guide inclined plate, the upper end of each blanking hose is fixedly connected with the guide inclined plate, the lower end of each blanking hose is fixedly connected with the corresponding screening zone, and a corresponding material distribution hose and a corresponding collection container are arranged below each screening zone; the separation baffle is arranged between the driving cavity and the screening cavity, and a driving mechanism used for driving the middle rotating shaft to do reciprocating motion is arranged in the driving cavity.
As a further scheme of the invention: the heating component is a heating fan.
As a still further scheme of the invention: the driving mechanism comprises a driving gear, a driving rack and a fixing component, wherein the driving gear is fixedly connected with the middle rotating shaft and meshed with the driving rack, and a driving motor, a driving turntable and two hinged connecting rods are further arranged.
As a still further scheme of the invention: the number of the driven gears is three.
As a still further scheme of the invention: and the heights of the rotating cross rods on the driven rotating shafts are different.
As a still further scheme of the invention: and a plurality of bristle columns are fixedly arranged on one rotating cross rod closest to the fixed supporting cavity.
As a still further scheme of the invention: the apertures of the screening through holes arranged in two or three adjacent screening areas are the same.
As a still further scheme of the invention: a notch is formed in the screening rotary table, and an end baffle is further arranged on the screening rotary table.
Compared with the prior art, the invention has the beneficial effects that:
the device has simple structure and convenient use, can break up the materials by arranging the breaking mechanism, leads the drying to be more uniform and thorough, leads the related components in the screening cavity to be screened thoroughly during the screening, can be screened in a multistage successive way, has simple structure, and different rotating cross bars on the driven rotating shaft are arranged in a staggered way, so that the coverage area of the rotating cross bars is larger and more complete when the rotating cross bars rotate, the materials are prevented from being accumulated on the fixed supporting cavity by arranging the bristle columns, the aperture of the screening through holes arranged in two or three adjacent screening areas is the same, thus, two or three screening areas form a same grade screening group, so that materials with corresponding granularity can be thoroughly separated out and cannot enter the next screening group, play the effect of sheltering from to the material that just falls through being provided with the tip baffle, make through being provided with the breach and pass through final remaining material can be smooth after the screening carousel screening falls.
Drawings
FIG. 1 is a schematic sectional structure view of the dry-mixed mortar aggregate drying and screening device of the present invention.
FIG. 2 is a schematic structural diagram of a driving mechanism in the dry-mixed mortar aggregate drying and screening device of the present invention.
FIG. 3 is a schematic perspective view of a screening turntable in the dry-mixed mortar aggregate drying and screening device of the present invention.
FIG. 4 is a schematic perspective view of a scattering mechanism in the dry-mixed mortar aggregate drying and screening device of the present invention.
FIG. 5 is a schematic structural view of an embodiment 2 of the dry-mixed mortar aggregate drying and screening device of the invention.
In the figure: the device comprises a feeding hopper 1, a processing box body 2, a rotating cross rod 3, a driven rotating shaft 4, a fixed supporting cavity 5, a driven gear 6, an intermediate gear 7, a fixed supporting rod 8, an intermediate rotating shaft 9, a guide inclined plate 10, a blanking hose 11, a switch sealing door 12, an edge baffle 13, a screening rotary disc 14, a screening blocking strip 15, a screening through hole 16, a material separating hose 17, a collecting container 18, a separating baffle 19, a driving gear 20, a driving rack 21, a fixed part 22, a hinged connecting rod 23, a driving rotary disc 24 and an end baffle 25.
Detailed Description
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, the embodiment provides a dry-mixed mortar aggregate drying and screening device, which comprises a processing box body 2, wherein at least one trumpet-shaped feeding funnel 1 is arranged at the upper end of the processing box body 2, a plurality of switch sealing doors 12 are arranged on the side surface of the processing box body, a drying cavity, a screening cavity and a driving cavity are arranged in the processing box body 2 from top to bottom, a heating assembly and a scattering mechanism are arranged in the drying cavity, the scattering mechanism comprises a fixed supporting cavity 5 with an arc-shaped upper end, a plurality of fixed supporting rods 8 for fixedly supporting the fixed supporting cavity 5 are arranged between the fixed supporting cavity 5 and the processing box body 2, a middle gear 7 and a plurality of driven gears 6 are rotatably clamped in the fixed supporting cavity 5, the driven gears 6 are arranged on the outer side of the middle gear 7 and are meshed with the middle gear 7, each driven gear 6 is fixedly connected with a driven rotating shaft 4, and the side surface of each driven gear 4 is fixedly provided with a plurality of rotating cross rods 3 and an intermediate rotating shaft 9 for driving the intermediate gear 7 to rotate; materials enter the processing box body 2 through the feeding hopper 1, the driven gear 6 rotates under the driving of the intermediate gear 7 to further drive the rotating cross rod 3 on the driven rotating shaft 4 to rotate, the materials are fully scattered under the action of the rotating cross rod 3, and the materials are dried under the action of heat provided by the heating assembly, so that the drying effect is better; the drying chamber with be provided with between the screening chamber and be used for separating the guide swash plate 10 that assembles the material, be provided with screening carousel 14 in the screening chamber, screening carousel 14 upper surface is provided with a plurality of cross sectional profile and is triangle-shaped's screening stop strip 15 and its edge is fixed and is provided with marginal baffle 13, every two all be provided with at least one screening through-hole 16 in the screening district between screening stop strip 15 and the aperture of the screening through-hole 16 in the different screening districts increases according to certain direction in proper order, the aperture is minimum screening district that screening through-hole 16 belongs to with be provided with between guide swash plate 10 and be used for connecting the unloading hose 11 between the two, unloading hose 11 upper end and guide swash plate 10 fixed connection, and lower extreme and corresponding screening district point fixed connection, make the lower extreme of unloading hose 11 can move along with the motion of screening carousel 14, ensuring that the materials fall into a screening area where the screening through hole 16 with the smallest aperture is located, wherein a corresponding material distribution hose 17 and a corresponding collection container 18 are arranged below each screening area; the dried materials are collected on the guide inclined plate 10 and then fall onto the screening rotary table 14 through the guide inclined plate, the screening rotary table 14 rotates in a reciprocating manner at a small angle by taking the middle rotating shaft 9 as a center, so that the materials continuously advance, the materials can only advance due to the existence of the screening blocking strips 15, and in the process, the materials with corresponding granularity fall into the collection container 18 through the screening through holes 16 with corresponding apertures; a separation baffle plate 19 is arranged between the driving cavity and the screening cavity, and a driving mechanism for driving the middle rotating shaft 9 to do reciprocating motion is arranged in the driving cavity.
Specifically, the heating component is not limited to be used, for example, in this embodiment, the heating component is a heating fan, and hot air generated by the heating fan is introduced into the drying cavity for drying.
Specifically, the selection of the driving mechanism is not limited, in this embodiment, as an example, please refer to fig. 1 and 2, the driving mechanism drives a gear 20, a driving rack 21 and a fixing part 22, the driving gear 20 is fixedly connected with the intermediate rotating shaft 9 and is meshed with the driving rack 21, a driving motor, a driving turntable 24 and two hinge connecting rods 23 are further provided, the driving motor drives the driving turntable 24 to rotate, and the driving motor is converted into the reciprocating sliding of the driving rack 21 under the action of the two hinge connecting rods 23, so that the driving gear 20 drives the intermediate rotating shaft 9 to rotate in a reciprocating manner.
Specifically, the number of the driven gears 6 is not limited, and in the present embodiment, the number of the driven gears 6 is three, by way of example.
Specifically, it is different the height difference of the rotation horizontal pole 3 on the driven spindle 4, so, it is different a plurality of rotation horizontal poles 3 on the driven spindle 4 are crisscross to be set up, make the coverage when rotating horizontal pole 3 and rotating is bigger more complete.
Specifically, one of the rotating cross rods 3 closest to the fixed support cavity 5 is fixedly provided with a plurality of bristle posts, and materials are prevented from being accumulated on the fixed support cavity 5 by the arrangement of the bristle posts.
Specifically, the aperture of the screening through holes 16 arranged in two or three adjacent screening areas is the same, so that the two or three screening areas form a same grade screening group, and materials with corresponding particle sizes can be thoroughly separated and cannot enter the next screening group.
The working principle of the embodiment is as follows:
the driving motor drives the driving turntable 24 to rotate, the driving turntable is converted into the reciprocating sliding of the driving rack 21 under the action of the two hinged connecting rods 23, so that the driving gear 20 drives the intermediate rotating shaft 9 to rotate in a reciprocating manner, materials enter the treatment box body 2 through the feeding hopper 1, the driven gear 6 rotates under the driving of the intermediate gear 7 to drive the rotating cross rod 3 on the driven rotating shaft 4 to rotate, the materials are fully scattered under the action of the rotating cross rod 3, and the drying is carried out under the action of heat provided by the heating assembly, and the drying effect is better; the dried materials are collected on the guide inclined plate 10 and then fall onto the screening rotary table 14 through the guide inclined plate, the screening rotary table 14 rotates in a reciprocating manner at a small angle by taking the middle rotating shaft 9 as a center, so that the materials continuously advance, the materials can only advance due to the existence of the screening blocking strips 15, and in the process, the materials with corresponding granularity fall into the collection container 18 through the screening through holes 16 with corresponding apertures; the lower end of the material distributing hose 17 can also be directly extended to the outside of the material distributing hose 2 to directly discharge the materials, so that the material distributing hose is more convenient and labor-saving.
Example 2
Referring to fig. 5, on the basis of embodiment 1, a notch is formed in the screening turntable 14, an end baffle 25 is further disposed on the screening turntable 14, the end baffle 25 is disposed to shield the material which just falls, and the notch enables the material which finally remains after being screened by the screening turntable 14 to smoothly fall.
It should be particularly noted that, although the present specification describes embodiments, each embodiment does not include only an independent technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and technical solutions in various embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution.
Claims (8)
1. The dry-mixed mortar aggregate drying and screening device is characterized by comprising a processing box body (2), wherein at least one horn-shaped feeding hopper (1) is arranged at the upper end of the processing box body (2), a plurality of switches are arranged on the side surface of the processing box body to seal a door (12), the processing box body (2) comprises a drying cavity, a screening cavity and a driving cavity from top to bottom, a heating component and a scattering mechanism are arranged in the drying cavity, the scattering mechanism comprises a fixed supporting cavity (5) with an arc-shaped upper end, a plurality of fixed supporting rods (8) used for fixedly supporting the fixed supporting cavity (5) are arranged between the fixed supporting cavity (5) and the processing box body (2), an intermediate gear (7) and a plurality of driven gears (6) are rotationally clamped in the fixed supporting cavity (5), the driven gears (6) are arranged outside the intermediate gear (7) and are meshed with the intermediate gear (7), each driven gear (6) is fixedly connected with a driven rotating shaft (4), a plurality of rotating cross rods (3) are fixedly arranged on the side surface of each driven rotating shaft (4), and an intermediate rotating shaft (9) for driving the intermediate gear (7) to rotate is further arranged; the drying chamber with be provided with between the screening chamber and be used for separating the guide swash plate (10) that assembles the material, be provided with screening carousel (14) in the screening chamber, screening carousel (14) with middle pivot (9) rotates as the reciprocal small angle in center, screening carousel (14) upper surface is provided with a plurality of cross sectional profile and is triangle-shaped screening stop strip (15) and its edge is fixed and is provided with marginal baffle (13), every two all be provided with at least one screening through-hole (16) and the aperture of the screening through-hole (16) in the different screening districts in the screening district between screening stop strip (15) increases according to certain direction in proper order, the aperture is minimum one screening district that screening through-hole (16) belongs to with be provided with between guide swash plate (10) and be used for connecting unloading hose (11) between both, unloading hose (11) upper end with guide swash plate (10) fixed connection, the lower ends of the screening areas are fixedly connected with corresponding screening areas, and a corresponding material distributing hose (17) and a corresponding collecting container (18) are arranged below each screening area; a separation baffle (19) is arranged between the driving cavity and the screening cavity, and a driving mechanism for driving the intermediate rotating shaft (9) to do reciprocating motion is arranged in the driving cavity.
2. The dry-mixed mortar aggregate drying and screening device as recited in claim 1, wherein the heating component is a heating fan.
3. The dry-mixed mortar aggregate drying and screening device as claimed in claim 2, characterized in that the driving mechanism comprises a driving gear (20), a driving rack (21) and a fixing part (22), the driving gear (20) is fixedly connected with the intermediate rotating shaft (9) and meshed with the driving rack (21), and the device is further provided with a driving motor, a driving turntable (24) and two hinged connecting rods (23).
4. The dry-mixed mortar aggregate drying and screening device as claimed in claim 3, characterized in that the number of the driven gears (6) is three.
5. The dry-mixed mortar aggregate drying and screening device as claimed in claim 4, characterized in that the height of the rotary cross bar (3) on different driven rotary shafts (4) is different.
6. The dry-mixed mortar aggregate drying and screening device as claimed in claim 5, characterized in that one of the rotating cross bars (3) closest to the fixed support cavity (5) is fixedly provided with a plurality of bristle columns.
7. The dry-mixed mortar aggregate drying and screening device as claimed in claim 6, wherein the screening through holes (16) arranged in two or three adjacent screening areas have the same aperture.
8. The dry-mixed mortar aggregate drying and screening device as claimed in claim 7, wherein a notch is formed in the screening turntable (14), and an end baffle (25) is further arranged on the screening turntable (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828303.8A CN112090727B (en) | 2020-08-17 | 2020-08-17 | Dry-mixed mortar aggregate drying and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828303.8A CN112090727B (en) | 2020-08-17 | 2020-08-17 | Dry-mixed mortar aggregate drying and screening device |
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| Publication Number | Publication Date |
|---|---|
| CN112090727A CN112090727A (en) | 2020-12-18 |
| CN112090727B true CN112090727B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010828303.8A Active CN112090727B (en) | 2020-08-17 | 2020-08-17 | Dry-mixed mortar aggregate drying and screening device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019897B (en) * | 2021-03-05 | 2023-11-21 | 昆明理工大学 | Intelligent packing device and method for commodity circulation transportation of agricultural and sideline products |
| CN114083668B (en) * | 2021-11-30 | 2023-01-24 | 湖南省新化县鑫星电子陶瓷有限责任公司 | Ceramic substrate is thick liquids processing apparatus for curtain coating shaping |
| CN116251734B (en) * | 2023-03-21 | 2023-08-18 | 浙江益森久城环保设备有限公司 | Screening device for dry-mixed mortar production |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023866B2 (en) * | 1977-08-13 | 1985-06-10 | 株式会社 サタケ | Granule sorter |
| JPH08224B2 (en) * | 1987-05-18 | 1996-01-10 | 住友重機械工業株式会社 | Screening removal screen |
| CN206064831U (en) * | 2016-08-31 | 2017-04-05 | 沾化县冬枣研究所 | A kind of Fructus Jujubae sorting unit |
| CN208928521U (en) * | 2018-10-23 | 2019-06-04 | 湖南晶杰光电科技有限公司 | A kind of sapphire automatic charging and sorting mechanism |
| CN109570000A (en) * | 2018-12-13 | 2019-04-05 | 郑州金诚信筛网设备有限公司 | A kind of automatic flour bolt |
| CN210788047U (en) * | 2019-07-04 | 2020-06-19 | 福建佰达科技有限公司 | 90 degrees sorter of balance wheel |
| CN210746995U (en) * | 2019-10-23 | 2020-06-16 | 江西华汾粮油实业有限公司 | Drying device for grain processing convenient to take out grain |
| CN210876138U (en) * | 2019-11-08 | 2020-06-30 | 林佳媚 | Seed sieving mechanism for farming |
| CN110895098A (en) * | 2019-12-11 | 2020-03-20 | 蒋加顺 | Heating plate rotation type fodder drying device |
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2020
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Denomination of invention: A drying and screening device for dry-mixed mortar aggregate Effective date of registration: 20230106 Granted publication date: 20210907 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: Zhejiang Jinzhou Technology Co.,Ltd. Registration number: Y2023330000051 |