CN213108359U - Can change rubbish screw rod hydroextractor of helical pitch - Google Patents

Can change rubbish screw rod hydroextractor of helical pitch Download PDF

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Publication number
CN213108359U
CN213108359U CN202021166661.9U CN202021166661U CN213108359U CN 213108359 U CN213108359 U CN 213108359U CN 202021166661 U CN202021166661 U CN 202021166661U CN 213108359 U CN213108359 U CN 213108359U
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rotating shaft
garbage
section
box
discharging
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CN202021166661.9U
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Chinese (zh)
Inventor
胡健
吴杭航
屠瀚
吴伟祥
王昊书
马壮
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Zhejiang Chuanchao Environmental Protection Technology Co ltd
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Zhejiang Chuanchao Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a garbage screw dehydrator capable of changing lead, wherein the bottom of a dehydration box is fixedly connected with a support frame, the front end of the dehydration box is communicated with a feed hopper, and the tail end of the dehydration box is provided with a discharge port; the discharge port is connected with the discharge pressurizing plate in a fitting manner, and a discharge conveyor is arranged below the discharge port; a through rotating shaft is axially arranged in the dewatering box, and the discharge port can be completely sealed by the discharge pressurizing plate; the rotating shaft is sequentially divided into an equidistant section, a gradual change section and a floating section from front to back, a cylindrical screen is coaxially sleeved outside the rotating shaft and is closely arranged on the outer sides of the first helical blade and the second helical blade, so that garbage is subjected to extrusion force between the rotating shaft and the cylindrical screen; the bottom of the dewatering box is provided with a slag-isolating water filtering box for collecting the waste liquid which flows out after being filtered by the screen. The utility model discloses simple structure, strong adaptability, dehydration efficiency is high, can change the helical pitch according to pressure is automatic, is applicable to the dehydration decrement processing of different physical characteristic rubbish such as kitchen garbage, surplus rubbish in kitchen and farmer's market rubbish.

Description

Can change rubbish screw rod hydroextractor of helical pitch
Technical Field
The utility model belongs to rubbish preprocessing device field, in particular to can change rubbish screw rod hydroextractor of helical pitch.
Background
With the development of social economy and the improvement of the living standard of people, the production amount of domestic garbage in China is continuously increased. In 2019, the clearing and transporting amount of domestic garbage in cities in China reaches 2.04 hundred million tons, and the urban domestic garbage is increased by 6.81 percent on year-by-year basis, so that the urban domestic garbage can become one of the most serious countries of the cities surrounded by garbage. At present, the classification work of the household garbage is increasingly emphasized in all cities in China, the household garbage is classified into four categories of perishable garbage, recoverable garbage, harmful garbage and other garbage, so that a large amount of perishable garbage is generated, the total amount of kitchen garbage of residents in 2019 of Beijing City is up to 19.49 ten thousand tons, and the average amount of kitchen garbage is 534 tons every day, so that how to realize the harmless, quantitative reduction and resource treatment of the perishable garbage becomes a key link for sustainable propulsion of garbage classification.
At present, the treatment of perishable garbage such as kitchen garbage, farmer market garbage and the like in China usually adopts four modes of landfill, composting, incineration and anaerobic fermentation. In view of the characteristics of large generation amount of perishable garbage, high organic matter content and high water content in China, no matter what kind of mode is adopted for treatment, the problems of high transportation cost and easy secondary pollution are faced, and too high water content can cause the series problems of overlarge generation amount of landfill leachate, poor compost fermentation effect, low incineration heat value, low anaerobic fermentation gas production rate and the like, so that oil and water in the garbage are often removed in the process of the decrement and resource treatment of perishable garbage.
The conventional garbage dehydration modes include a heating evaporation mode and a centrifugal dehydration mode, but the modes have low dehydration rate, high operation energy consumption, poor adaptability and poor continuous operation performance, are only suitable for small-scale batch processing and are not suitable for large-scale continuous processing.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that current rubbish dehydration mode exists, the utility model provides a simple structure, strong adaptability, dehydration efficiency are high, can change the hydroextractor of helical pitch according to pressure automation, the utility model discloses a can change the rubbish screw rod hydroextractor of helical pitch can be applicable to different physical characteristic refuse handling such as kitchen garbage, surplus rubbish in kitchen and farmer's market rubbish.
The utility model discloses the concrete technical scheme who adopts as follows:
a garbage screw dehydrator capable of changing lead comprises a support frame, a feed hopper, a dehydration box, a discharging pressurization plate and a discharging conveyor, wherein the bottom of the dehydration box is fixedly connected with the support frame, the front end of the dehydration box is communicated with the feed hopper, and the tail end of the dehydration box is provided with a discharge hole; the discharge port is connected with the discharge pressurizing plate in a fitting manner, and a discharge conveyor is arranged below the discharge port;
the feed hopper is a cylindrical container with an outlet section gradually reduced, an anti-bridging device is arranged in the middle of the feed hopper along the radial direction, and the outlet is communicated with the dewatering box;
a through rotating shaft is axially arranged in the dewatering box, the front end of the rotating shaft penetrates through the side wall of the front end of the dewatering box and is connected with a driving motor arranged outside the dewatering box, and the tail end of the rotating shaft is fixed on a box body at the tail end of the dewatering box; the discharge port can be completely sealed by the discharge pressurizing plate and is detachably attached and connected with the discharge port;
the rotating shaft is sequentially divided into an equidistant section, a gradual change section and a floating section from front to back, the rotating shafts of the equidistant section and the gradual change section are fixedly connected with first helical blades, and the shaft diameter of the rotating shaft of the gradual change section is gradually increased; a second helical blade with elasticity is sleeved on the rotating shaft of the floating section, one end of the second helical blade is fixedly connected with the rotating shaft, and the other end of the second helical blade can axially slide along the rotating shaft to adjust the blade spacing; the cylindrical screen is coaxially sleeved outside the rotating shaft and is arranged close to the outer sides of the first helical blade and the second helical blade, so that garbage is subjected to extrusion force between the rotating shaft and the cylindrical screen; the bottom of the dewatering box is provided with a slag-isolating water filtering box for collecting waste liquid which flows out after being filtered by the cylindrical screen.
Preferably, the discharging conveyor is a screw conveyor.
Preferably, the bridging prevention device is a driving shaft with two ends respectively fixed on the side wall of the feeding hopper, and a stirring screw is arranged on the driving shaft to prevent garbage from bridging.
Preferably, the driving motor is a speed reducer.
Preferably, the equidistant section, the gradual section and the floating section respectively account for 30%, 30% and 40% of the total length of the rotating shaft.
Preferably, the cylindrical screen is made of stainless steel, and circular holes with the diameter of 1-2 mm are uniformly formed in the cylindrical screen.
Preferably, one end of the discharging pressurizing plate is attached to the discharging port, the other end of the discharging pressurizing plate is connected with an adjusting shaft, a spring and an adjusting nut are sleeved on the adjusting shaft, one end of the spring is in contact with the discharging pressurizing plate, and the other end of the spring is in contact with the adjusting nut; the adjusting nut is provided with a fixing device which can fix the adjusting nut on the adjusting shaft; the discharging pressurizing plate can be tightly pressed on the discharging hole under the action of a spring and an adjusting nut.
Furthermore, one end of the adjusting shaft is connected with the discharging pressurizing plate, and the other end of the adjusting shaft is fixedly connected with a fixing plate arranged on the supporting frame through a bearing seat.
Furthermore, a top cover is also erected on the upper part between the fixed plate and the dewatering box, so that the garbage discharged from the discharge hole is prevented from splashing.
Preferably, the effective volume of the slag-separating and water-filtering tank is 240L.
Compared with the prior art, the utility model has the advantages of it is following:
1) the utility model fully considers the physical characteristics of the strip fibrous materials such as plastics, rubber, corn husks, bamboo shoot shells and the like possibly existing in the garbage, and is provided with the anti-bridging device, thereby ensuring the smooth circulation of the garbage materials;
2) the rotating shaft part of the device of the utility model is provided with three configurations of an equidistant section, a gradual change section and a floating section, wherein the floating section can automatically change the lead according to the pressure change in the dehydration process, thereby realizing the high-efficiency dehydration treatment of different wastes such as kitchen waste, farmer market waste and the like;
3) the device of the utility model is provided with the tubular screen and the slag-isolating water filtering box, thereby reducing the output of granular filter residues in the treatment process and avoiding the overflow of sewage generated in the removal process;
4) the device has high automation degree and strong adaptability, can continuously and stably feed materials and does not need manual operation;
5) the material moisture content of the kitchen garbage treated by the device is less than 65 percent.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a schematic structural view of the spindle of FIG. 1;
in the figure: the support frame 1, pivot 2, equidistance section 21, gradual change section 22, the section 23 that floats, driving motor 3, feeder hopper 4, prevent bridging device 5, tube-shape screen cloth 6, dewatering box 7, top cap 9, ejection of compact pressure plate 10, spring 11, adjusting nut 12, bearing frame 13, ejection of compact conveyer 14, separate sediment drainage box 15.
Detailed Description
The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.
As shown in fig. 1, for the utility model discloses a can change rubbish screw rod hydroextractor of helical pitch, it includes support frame 1, feeder hopper 4, dewatering box 7, ejection of compact increased pressure board 10 and ejection of compact conveyer 14, wherein, the bottom of dewatering box 7 is equipped with support frame 1, support frame 1 and dewatering box 7's bottom fixed connection for keep dewatering box 7 in the horizontality, guarantee the steady operation of device. The front end of the dewatering box 7 is communicated with the feed hopper 4, the tail end of the dewatering box is provided with a discharge port, the discharge port is attached and connected with the discharge pressurizing plate 10, and a discharge conveyor 14 is arranged below the discharge port. The discharge conveyor 14 may be a screw conveyor for transporting the discharged waste to a designated location. The utility model discloses for the convenience of expression, mark the rubbish entrance point as the front end, the rubbish exit end is marked as the end, and the concrete structure and the connected mode of each part are as follows:
the feed hopper 4 is positioned above the front end of the dewatering box 7, the feed hopper 4 is a funnel-shaped container with the lower end gradually reduced, the middle part in the feed hopper 4 is provided with an anti-bridging device 5 along the radial direction, and the outlet below the feed hopper 4 is communicated with the inlet arranged at the upper part of the front end of the dewatering box 7 and used for feeding into the dewatering box 7. The bridging prevention device 5 is used for regularly overturning the garbage materials in the feed hopper 4, and the smooth circulation of the garbage materials is ensured. During practical application, should prevent bridging device 5 can set up to the drive shaft that fixes respectively on 4 lateral walls of feeder hopper in both ends, is equipped with the stirring spiral in the drive shaft, and the external motor of this drive shaft rotates at rubbish feeding in-process under the driving action of motor, prevents that rubbish from taking place the bridging jam at feeder hopper 4. Of course, the bridging prevention device 5 can also adopt other implementation means in the prior art.
A through rotating shaft 2 is axially arranged in the dewatering box 7, the front end of the rotating shaft 2 penetrates through the side wall of the front end of the dewatering box 7 and is connected with a driving motor 3 arranged outside the dewatering box 7, and the tail end of the rotating shaft 2 is fixed on a box body at the tail end of the dewatering box 7. This driving motor 3 is the speed reducer, and ejection of compact increased pressure board 10 can be closed the discharge gate totally, and ejection of compact increased pressure board 10 is connected with the detachable laminating of discharge gate, that is to say, ejection of compact increased pressure board 10 can be closed the discharge gate totally, also can open the rubbish that makes in the dewatering box 7 and discharge from the discharge gate. When in actual application, the one end and the discharge gate laminating of ejection of compact increased pressure board 10 are connected, and the other end can be connected with the regulating spindle, and the cover is equipped with spring 11 and adjusting nut 12 in proper order on the regulating spindle, and the one end of spring 11 contacts with ejection of compact increased pressure board 10, and the other end contacts with adjusting nut 12. The adjusting nut 12 is further provided with a fixing device, the adjusting nut 12 is moved, meanwhile, the position of the discharging pressurizing plate 10 is driven to move through compression or release of the spring 11, and when the adjusting nut 12 is moved to a required position, the adjusting nut 12 can be fixed through the fixing device on the adjusting nut 12.
The specific operation is as follows: when the adjusting nut 12 moves backwards, the spring 11 drives the discharging pressurizing plate 10 to move away from the discharging port, and at the moment, the garbage in the dewatering box 7 can be discharged from the discharging port; when the adjusting nut 12 moves forward, the spring 11 applies pressure to the discharging pressure plate 10 to firmly attach the discharging pressure plate 10 to the discharging port, and at the moment, the garbage in the dewatering box 7 cannot be discharged from the discharging port.
In order to make the adjusting shaft more stable, one end of the adjusting shaft is connected with the discharging pressurizing plate 10, and the other end of the adjusting shaft can be connected and fixed with a fixing plate arranged on the supporting frame 1 through a bearing seat 13. A top cover 9 can be arranged on the upper part between the fixed plate and the dewatering box 7 to prevent the garbage discharged from the discharge hole from splashing.
As shown in fig. 2, the rotating shaft 2 is divided into an equidistant section 21, a gradual section 22 and a floating section 23 in sequence from front to back, and the equidistant section 21, the gradual section 22 and the floating section 23 respectively account for 30%, 30% and 40% of the total length of the rotating shaft 2. Equal first helical blade of fixed connection in equidistance section 21 and transition 22's pivot 2, the 2 shaft footpaths of transition 22 grow gradually, because the shaft footpath grow gradually, consequently the extrusion force grow between the rubbish of transition 22 and tube-shape screen cloth 6, the dehydration effect strengthens. The cover is established in section 23 that floats's pivot 2 and is had elastic second helical blade, second helical blade's one end and 2 fixed connection in pivot, and the other end can be followed 2 endwise slip in pivot and adjusted the blade interval, sets up this section 23 that floats in order to adapt to the extrusion dehydration of different physical characteristics rubbish materials such as kitchen garbage, surplus rubbish in kitchen and farm trade market rubbish. The initial lead of the second helical blade is small when the second helical blade is not subjected to external force, so that large extrusion force can be applied to the materials, and the second helical blade is suitable for dehydrating garbage with large water content; when the water content of the material is low, namely the fluidity is poor, the material exerts larger pressure on the second spiral blade in the conveying process, and the second spiral blade has elasticity, so that the second spiral blade can be axially stretched under the pressure, and the lead is increased.
The cylindrical screen 6 is coaxially sleeved outside the rotating shaft 2, and the cylindrical screen 6 is arranged closely to the outer sides of the first helical blade and the second helical blade, so that garbage is extruded between the rotating shaft 2 and the cylindrical screen 6. This tube-shape screen cloth 6 is stainless steel, evenly sets up the circular port of aperture 1 ~ 2mm on the tube-shape screen cloth 6. The tubular screen 6 can prevent rusting and deformation, prolong the service life of the tubular screen 6, reduce the content of particulate impurities in the sewage after removal and facilitate the smooth discharge of the sewage at the rear end.
The bottom of the dewatering box 7 is provided with a slag-separating water filter box 15 for collecting waste liquid flowing out after being filtered by the tubular screen 6, and the effective volume of the slag-separating water filter box 15 can be 240L, so that the removal sewage is prevented from overflowing, and the sewage is guaranteed to be smoothly discharged.
The process of utilizing the device to dewater garbage is as follows:
firstly, the rubbish is poured into the feeder hopper 4, under the effect of preventing bridging device 5, gets into the dewatering box 7 smoothly, and through the drive of driving motor 3, rubbish passes through equidistance section 21, gradual change section 22 and the section 23 that floats on pivot 2 in proper order, and the helical blade who is equipped with on the pivot 2 drives the rubbish material and moves to the discharge gate by the feed inlet of dewatering box 7. Under the combined action of the cylindrical screen 6, the discharging pressure plate 10 and the rotating shaft 2, the garbage materials are continuously extruded and dehydrated, and dry garbage materials are extruded to a discharging port and are output by a discharging conveyor 14 to move to a specified position. The sewage and part of fine particles generated by extrusion flow into the slag-isolating water filter tank 15 through the cylindrical screen 6, and the wastewater in the slag-isolating water filter tank 15 is discharged after being treated regularly. Spring 11 is pressurized for the shift position of accessible adjustment adjusting nut 12 before the rubbish dehydration to act on ejection of compact pressure plate 10, closely laminate ejection of compact pressure plate 10 and discharge gate, prevent that the complete rubbish material of untreated from spilling over from the discharge gate.
In view of the different properties of kitchen garbage, kitchen garbage and farmer market rubbish, moisture content and form are different, and the screw extrusion hydroextractor of the common fixed lead on the market can't satisfy the demand. Generally, the lead of a screw used for kitchen waste is relatively small, and the lead of farmer market waste is much larger than that of the kitchen waste due to poor liquidity. The utility model discloses the helical pitch of section 23 that floats under the device initial condition is fit for kitchen garbage's dehydration, and in carrying out kitchen garbage and farmer's market rubbish dehydration, because pressure increase, the helical pitch of section 23 that floats can change according to pressure is automatic, also can guarantee the dehydration effect when guaranteeing smooth and easy ejection of compact.
The utility model discloses simple structure, strong adaptability, dehydration efficiency is high, can change the helical pitch according to pressure is automatic, is applicable to the dehydration decrement processing of different physical characteristic rubbish such as kitchen garbage, surplus rubbish in kitchen and farmer's market rubbish.
The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (10)

1. The garbage screw dehydrator capable of changing the lead is characterized by comprising a support frame (1), a feed hopper (4), a dehydration box (7), a discharging pressurizing plate (10) and a discharging conveyor (14), wherein the bottom of the dehydration box (7) is fixedly connected with the support frame (1), the front end of the dehydration box (7) is communicated with the feed hopper (4), and the tail end of the dehydration box is provided with a discharging port; the discharge port is connected with the discharge pressurizing plate (10) in a fitting manner, and a discharge conveyor (14) is arranged below the discharge port;
the feed hopper (4) is a cylindrical container with an outlet section gradually reduced, an anti-bridging device (5) is arranged in the middle of the feed hopper (4) along the radial direction, and the outlet is communicated with the dewatering box (7);
a through rotating shaft (2) is axially arranged in the dewatering box (7), the front end of the rotating shaft (2) penetrates through the side wall of the front end of the dewatering box (7) and is connected with a driving motor (3) arranged outside the dewatering box (7), and the tail end of the rotating shaft (2) is fixed on a box body at the tail end of the dewatering box (7); the discharge port can be completely sealed by the discharge pressurizing plate (10) and is detachably attached and connected with the discharge port;
the rotating shaft (2) is sequentially divided into an equidistant section (21), a gradual change section (22) and a floating section (23) from front to back, the rotating shaft (2) of the equidistant section (21) and the gradual change section (22) are fixedly connected with first spiral blades, and the shaft diameter of the rotating shaft (2) of the gradual change section (22) is gradually increased; an elastic second helical blade is sleeved on the rotating shaft (2) of the floating section (23), one end of the second helical blade is fixedly connected with the rotating shaft (2), and the other end of the second helical blade can axially slide along the rotating shaft (2) to adjust the blade distance; the cylindrical screen (6) is coaxially sleeved outside the rotating shaft (2), and the cylindrical screen (6) is closely arranged at the outer sides of the first helical blade and the second helical blade, so that garbage is subjected to extrusion force between the rotating shaft (2) and the cylindrical screen (6); and a slag-isolating water filtering tank (15) is arranged at the bottom of the dewatering tank (7) and is used for collecting waste liquid flowing out after being filtered by the cylindrical screen (6).
2. A refuse screw extractor according to claim 1, characterized in that the discharge conveyor (14) is a screw conveyor.
3. The trash screw dehydrator according to claim 1, wherein the bridging prevention device (5) is a driving shaft with two ends fixed to the side wall of the feeding hopper (4), and the driving shaft is provided with a stirring screw to prevent the trash from bridging.
4. A refuse screw extractor according to claim 1, characterized in that the drive motor (3) is a reducer.
5. A refuse screw extractor according to claim 1, characterized in that the equidistant section (21), the gradual section (22) and the floating section (23) respectively account for 30%, 30% and 40% of the total length of the shaft (2).
6. The garbage screw dehydrator according to claim 1, wherein the cylindrical screen (6) is made of stainless steel, and circular holes with a diameter of 1-2 mm are uniformly formed in the cylindrical screen (6).
7. The garbage screw dehydrator according to claim 1, wherein one end of the discharging pressurizing plate (10) is in fit connection with the discharging port, the other end of the discharging pressurizing plate is connected with an adjusting shaft, a spring (11) and an adjusting nut (12) are sleeved on the adjusting shaft, one end of the spring (11) is in contact with the discharging pressurizing plate (10), and the other end of the spring is in contact with the adjusting nut (12); the adjusting nut (12) is provided with a fixing device which can fix the adjusting nut (12) on the adjusting shaft; the discharging pressurizing plate (10) can be tightly pressed on the discharging hole under the action of a spring (11) and an adjusting nut (12).
8. The garbage screw dehydrator according to claim 7, wherein one end of the adjusting shaft is connected with the discharging pressurizing plate (10), and the other end is fixedly connected with a fixing plate arranged on the support frame (1) through a bearing seat (13).
9. The garbage screw dehydrator according to claim 8, wherein a top cover (9) is further installed at an upper portion between the fixed plate and the dehydrating tank (7) to prevent garbage discharged from the discharging port from splashing.
10. A refuse screw extractor according to claim 1, characterized in that the effective volume of the slag-separating water filter tank (15) is 240L.
CN202021166661.9U 2020-06-22 2020-06-22 Can change rubbish screw rod hydroextractor of helical pitch Active CN213108359U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112515181A (en) * 2020-11-23 2021-03-19 山东金晔农法食品有限公司 Hawthorn kernel removing beater
CN113334825A (en) * 2021-06-02 2021-09-03 维尔利环保科技集团股份有限公司 Organic garbage treatment system
CN113830991A (en) * 2021-11-05 2021-12-24 无锡恩邦格机械有限公司 Dry-wet separating device for fecal sewage treatment
CN114811642A (en) * 2022-06-23 2022-07-29 南通垣益新材料科技有限公司 Boiler fuel material feeding unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112515181A (en) * 2020-11-23 2021-03-19 山东金晔农法食品有限公司 Hawthorn kernel removing beater
CN113334825A (en) * 2021-06-02 2021-09-03 维尔利环保科技集团股份有限公司 Organic garbage treatment system
CN113830991A (en) * 2021-11-05 2021-12-24 无锡恩邦格机械有限公司 Dry-wet separating device for fecal sewage treatment
CN114811642A (en) * 2022-06-23 2022-07-29 南通垣益新材料科技有限公司 Boiler fuel material feeding unit

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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 utility model: A garbage screw dehydrator capable of changing the lead

Effective date of registration: 20231007

Granted publication date: 20210504

Pledgee: Guotou Taikang Trust Co.,Ltd.

Pledgor: ZHEJIANG CHUANCHAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD.

Registration number: Y2023980059644