CN109126278A - A kind of feldspar in powder production waste utilization system - Google Patents

A kind of feldspar in powder production waste utilization system Download PDF

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Publication number
CN109126278A
CN109126278A CN201811162330.5A CN201811162330A CN109126278A CN 109126278 A CN109126278 A CN 109126278A CN 201811162330 A CN201811162330 A CN 201811162330A CN 109126278 A CN109126278 A CN 109126278A
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Prior art keywords
tower body
filter
feldspar
slag
filtration tank
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CN201811162330.5A
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CN109126278B (en
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邓培有
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Hezhou Chun Xin Mineral Products Co Ltd
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Hezhou Chun Xin Mineral Products Co Ltd
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Priority to CN201811162330.5A priority Critical patent/CN109126278B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The present invention relates to a kind of feldspar in powder production waste utilization systems, including sedimentation basin, filtration tank, dewaterer, recovery bin and clear water reserviors, sedimentation basin includes several and is arranged side by side, sedimentation basin is for recycling the sewage that water mill workshop includes potassium feldspar slag, sewage is pumped into filtration tank, sewage is filtered by filtration tank, it obtains the filter residue containing potassium feldspar slag and meets the clear water of re-using standard, filter residue is transported to dewaterer, filter residue is dehydrated by dewaterer, obtain filtrate and slag siccative, filtrate pumped back filtration tank, slag siccative is transported to recovery bin recycling, clear water reserviors are located at below filtration tank and are set side by side with sedimentation basin, clear water reserviors collect the clear water that filtration tank is obtained by filtration;The clear water that filtration tank is obtained by filtration can be used as the source feldspar in powder production process Zhong Shui, and the slag siccative in recovery bin can also re-use, to realize recycling for feldspar in powder production waste.

Description

A kind of feldspar in powder production waste utilization system
Technical field
The present invention relates to separation and technical field of sewage, and in particular to a kind of feldspar in powder production waste comprehensive utilization System.
Background technique
In the production and processing of ore, need that ore progress and eddy flow processing etc. can be generated big in these processing steps The sewage of amount, containing slags such as a large amount of ore fine sand or fine particles in sewage, if be expelled directly out, first can pollute ring Very big injury is caused to environment in border;Second increasingly lacks instantly in water resource, and it is raw that waste water source can greatly increase enterprise Produce cost;Fine sand in third production excludes therewith, will increase post-processing difficulty.
In the prior art, coagulant is generally added into sewage for the production and processing sewage of ore, makes the mine in sewage Stone fine sand or fine particle coagulating sedimentation, then using separation of solid and liquid recycling slag and liquid.But this processing method Need to increase new chemical material, it is at high cost, and also the liquid recycled is easy to cause circulation due to joined new chemical material The quality of production of ore is influenced when utilization.
Patent CN107376505B discloses a kind of feldspar in powder production waste recycle system, including sedimentation basin, concentration Multilayer filter structure is arranged in tower, squeezer and clear water reserviors etc., concentration tower, carries out rapid precipitation concentration to the sewage continued to flow into, Its slag content is improved, and is sent into squeezer, squeezer is separated by solid-liquid separation to obtain slag charge siccative to waste water is sent into, and slag charge is dry Material is sent directly into recovery bin, and the waste water that squeezer generates comes back to concentration tower concentration again, realizes slag and dirt The recycling of water.But concentration tower is during the filtration process, and filter hole is often blocked by slag, and cause filter efficiency low, Need often to dismantle concentration tower cleaning filter hole, maintenance workload is big.
Summary of the invention
The present invention provides a kind of feldspar in powder production waste utilization system, solves feldspar in powder production sewage treatment Cheng Zhong, the low problem of the filter efficiency of slag.
The present invention is achieved through the following technical solutions: a kind of feldspar in powder production waste utilization system, packet Sedimentation basin, filtration tank, dewaterer, recovery bin and clear water reserviors are included, the sedimentation basin includes several and is arranged side by side, the precipitating Pond is for recycling the sewage that water mill workshop includes potassium feldspar slag;The sewage is pumped into the filtration tank, and the filtration tank will The sewage is filtered, and obtains the clear water of filter residue and recoverable;The filter residue is transported to the dewaterer, the dehydration The filter residue is dehydrated by machine, obtains filtrate and slag siccative, the filtrate pumped back filtration tank;The recovery bin recycling slag is dry Material;The clear water reserviors are located at below filtration tank and are set side by side with sedimentation basin, and the clear water reserviors are collected the filtration tank and filtered The clear water arrived;
The filtration tank includes tower body and cartridge filter, and the cartridge filter is set in the tower body, and the tower body is cylindrical, The lower part of the tower body is equipped with stabilizer blade, and the top of the tower body is equipped with cover, and the cover includes outer cover and inner cover, the outer cover Annularly, be covered in the outer cover in described, the inner cover is rotatablely connected the outer cover, it is described it is outer be covered with water inlet pipe, institute It states and is rotatably connected to outlet pipe in the middle part of inner cover, the lower part of the tower body is funnel-shaped, and the lower part of the tower body is equipped with slag-drip opening, The slag-drip opening is equipped with valve;The top of the cartridge filter is fixedly connected on the inner cover, the lower outside wall of the cartridge filter It is rotatably connected to one piece of sealing plate in a ring, the side wall of the cartridge filter is equipped with filter hole, and the filter hole is set to described close The top of sealing plate;The first filter chamber is formed between the cartridge filter and tower body, the cavity of the cartridge filter forms the second filter chamber, The water inlet pipe is connected to first filter chamber, and the lower end of the outlet pipe extends into the bottom of second filter chamber, described The upper end of outlet pipe is connected with water pump, and the water pump is fixed on the outer cover, is equipped with brush, the brush in second filter chamber Handle one end of son is fixedly connected on the outlet pipe, and bristle one end of the brush is connected to the inner wall of the cartridge filter, institute The lower part for stating the first filter chamber is equipped with several pieces of isolation boards, and the isolation board is in fan-shaped, and several pieces of isolation boards mutually splice At one block of plate in a ring, the outer diameter of the isolation board is equal to the internal diameter of the tower body, and the internal diameter of the isolation board is greater than described The outer diameter of cartridge filter, the internal diameter of the isolation board are less than the outer diameter of the sealing plate, and the outer end of the isolation board is hingedly coupled to The side wall of the tower body, the upper surface of the isolation board are connected with chain, and the upper end of the chain is connected with electric gourd hang, institute State electric gourd hang and be fixed on the outer cover, the lateral wall of the tower body is fixedly connected with motor, described in the motor driven in Lid rotation.
Further, the side of the isolation board is equipped with and gets out of a predicament or an embarrassing situation, and the other side of the isolation board is equipped with and the leave from office The matched top bar of rank.Adjacent two pieces of isolation boards are stitched together by top bar and the cooperation got out of a predicament or an embarrassing situation.
Further, the top of the tower body is equipped with gap, and the gap is lower than the lower end of the electric gourd hang. When the waste water in the first filter chamber is excessive, it will be flowed out from gap, waste water is avoided to be dipped into electric gourd hang.
Further, the upper surface of the inner cover is fixedly connected with belt pulley, and the middle part of the belt pulley is equipped with through-hole, institute State the central axis of belt pulley, the central axis of through-hole is overlapped with the central axis of inner cover, the outlet pipe pass through the through-hole, The outlet pipe is fixedly connected on the outer cover by connecting rod, and the motor connects the belt pulley by belt.Motor passes through Belt drives pulley rotation, and the second filter chamber is protruded into the through-hole at the middle part of outlet pipe slave pulley, the rotation of belt pulley Outlet pipe will not be impacted.
Further, the bristle of the brush is made of plastic wire.Plastic wire is wear-resisting, and elasticity is good, and hardness is moderate, can be very well The slag being blocked in filter hole is brushed out, and long service life.
Further, the bristle of the brush is in lower surface of the vertical width equal to the cover and the sealing plate The distance between upper surface.Cartridge filter rotates a circle, and brush can brush one times all filter hole, and the range of brush is wide, to mistake Dead angle is not stayed in the cleaning of filter opening thoroughly.
Further, the side wall of the tower body is equipped with observation panel, and the observation panel is sealed using transparent glass.Pass through observation The amount of slag of mouth observation the first filter chamber accumulation, valve deslagging is opened according to amount of slag in due course.
It is obtained by the present invention to have the beneficial effect that due to taking above-mentioned technical proposal
1, feldspar in powder production waste utilization system of the invention include sedimentation basin, filtration tank, dewaterer, recovery bin and Clear water reserviors, wherein sedimentation basin is by standing deposition, so that the slag in sewage is deposited on the bottom, the sewage in sedimentation basin is sent to Filtration tank;Filtration tank is filtered the sewage of feeding, obtains the high filter residue of slag content and meets the clear of re-using standard Water, filter residue are transported to dewaterer and are dehydrated, and it is to be utilized that clear water is pumped into clear water reserviors etc.;Dewaterer is existing solid-liquid separating machine Device can be dehydrated the filter residue of feeding, obtain slag siccative and filtrate, and slag siccative is sent directly into recovery bin, filtrate Filtration tank is returned to filter again;In the process, the clear water that filtration tank obtains, which can be used as water in feldspar in powder production process, to be come Source, and the slag siccative finally obtained can also re-use, to realize recycling for feldspar in powder production waste.
2, the cartridge filter of filtration tank of the invention is fixedly connected with the inner cover of cover, and the inner cover of cover is rotatablely connected outer cover, electricity Machine drives inner cover rotation, so that cartridge filter be driven to rotate, the rotation of cartridge filter throws away the slag being blocked in filter hole, avoids Slag blocks filter hole, and brush is equipped in the second filter chamber, and when cartridge filter rotates, brush can will be blocked in filter hole Slag ejected from the second filter chamber to the first filter chamber, the further slag removed in filter hole, to keep for a long time Filter opening it is unimpeded, avoid filter hole and blocked by slag, to improve the filter efficiency of filtration tank, keep the height of whole system Effect operation.
3, isolation board is equipped in the first filter chamber of filtration tank of the invention, when needing deslagging, electric gourd hang will be every From plate pull-up so that the lower surface of sealing plate is withstood in the upper surface of the inner end of isolation board, by below isolation board slag be isolated Waste water above plate distinguishes, then opens valve and carry out deslagging, while the waste water filtering above isolation board is not necessarily to stop, deslagging It is independent of each other, can continuously filter with filtering, keep the continual efficient operation of whole system.
Detailed description of the invention
Fig. 1 is a kind of work flow diagram of feldspar in powder production waste utilization system of the invention;
Fig. 2 is the structural schematic diagram of filtration tank of the invention;
Wherein, 1- sedimentation basin, 2- filtration tank, 3- dewaterer, 4- recovery bin, 5- clear water reserviors, 211- tower body, 212- stabilizer blade, 213- outer cover, 214- inner cover, 215- slag-drip opening, 216- valve, 217- observation panel, 218- gap, 221- cartridge filter, 222- mistake Filter opening, 223- sealing plate, 231- isolation board, 232- chain, 233- electric gourd hang, 24- brush, 251- outlet pipe, 252- water Pump, 26- water inlet pipe, 271- motor, 272- belt pulley, 273- belt.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
It please refers to shown in Fig. 1, a kind of feldspar in powder production waste utilization system, including sedimentation basin 1, filtration tank 2, de- Water dispenser 3, recovery bin 4 and clear water reserviors 5, sedimentation basin 1 include several and are arranged side by side, and sedimentation basin 1 is for recycling in water mill workshop The sewage of K-feldspar slag, sewage are pumped into filtration tank 2, and sewage is filtered by filtration tank 2, obtain containing potassium feldspar slag Filter residue and meet the clear water of re-using standard, filter residue is transported to dewaterer 3, and filter residue is dehydrated by dewaterer 3, obtain filtrate and Slag siccative, filtrate pumped back filtration tank 2, slag siccative are transported to recovery bin recycling 4, and clear water reserviors 5 are located at 2 lower section of filtration tank simultaneously It is set side by side with sedimentation basin 1, clear water reserviors 5 collect the clear water that filtration tank 2 is obtained by filtration.
Shown in referring to figure 2., filtration tank 2 includes tower body 211 and cartridge filter 221, and cartridge filter 221 is set in tower body 211, tower Body 211 is cylindrical, and the lower part of tower body 211 is equipped with stabilizer blade 212, and the top of tower body 211 is equipped with cover, and cover includes outer cover 213 With inner cover 214, outer cover 213 is annular in shape, and inner cover 214 is set in outer cover 213, and inner cover 214 is rotatablely connected outer cover 213.Cartridge filter 221 For the cylinder of a upper end opening, the side wall of cartridge filter 221 is equipped with filter hole 222, and the bottom of cartridge filter 221 is closed, cartridge filter 221 upper end is fixedly connected on the lower surface of inner cover 214, and the upper surface of inner cover 214 is fixedly connected with three vertical support rods 19, three support rods 19 are arranged in positive triangle, and the upper end of support rod 19 is fixedly connected with belt pulley 272, and belt pulley 272 passes through skin Band 273 is connected with motor 271, and motor 271 is fixed on outer cover 213, and motor 271 drives inner cover 214 to rotate.In belt pulley 272 Portion is equipped with through-hole, and outlet pipe 251 is fixedly connected on outer cover 213 by connecting rod, and outer cover 213 is equipped with water inlet pipe 26, in inner cover 214 Portion is rotatably connected to outlet pipe 251, and the lower end of outlet pipe 251 passes through the bottom that through-hole protrudes into cartridge filter 221, outlet pipe 251 Outer cover 213 is fixed on by connecting rod in upper end, and the upper end of outlet pipe 251 is connected with water pump 252, and water pump 252 is fixed on outer cover 213.
Motor 271 drives inner cover 214 to slowly run, so that cartridge filter 221 be driven to slowly run, is blocked in filter hole 222 In slag be thrown out of, and the rotation of cartridge filter 221 will drive the rotation of the waste water in tower body 211, and the slag in waste water will Cartridge filter 221 is taken away by centrifugal force, outer wall of the slag far from cartridge filter 221 avoids slag and block cartridge filter 221.
Shown in referring to figure 2., the lower outside wall of cartridge filter 221 is rotatably connected to one piece of sealing plate 223 in a ring, close Sealing plate 223 is rotatablely connected cartridge filter 221 by water-sealed bearing, and sealing plate 223 is set to the lower section of filter hole 222.Cartridge filter 221 with The first filter chamber is formed between tower body 211, the cavity of cartridge filter 221 forms the second filter chamber, first filtering of the connection of water inlet pipe 26 Room is equipped with brush 24 in the second filter chamber, and handle one end of brush 24 is fixedly connected on outlet pipe 251, the bristle one of brush 24 End is connected to the inner wall of cartridge filter 221, and the lower part of the first filter chamber is equipped with several pieces of isolation boards 231, and isolation board 231 is in fan-shaped, Several pieces of isolation boards 231 are mutually spliced into one block of plate in a ring, and the outer diameter of isolation board 231 is equal to the internal diameter of tower body 211, isolation The internal diameter of plate 231 is greater than the outer diameter of cartridge filter 221, and the internal diameter of isolation board 231 is less than the outer diameter of sealing plate 223, isolation board 231 Outer end is hingedly coupled to the side wall of tower body 211, and the outer end of isolation board 231 is not less than sealing plate 223, the rotation angle of isolation board 231 For degree less than 90 °, the upper surface of every piece of isolation board 231 is fixedly connected to a chain 232, the upper end connection of every chain 232 There is an electric gourd hang 233, electric gourd hang 233 is fixed on the lower surface of outer cover 213.
Water inlet pipe 26 uses steel pipe, and the bristle of brush 24 is made of plastic wire, and the bristle of brush 24 is in vertical width etc. In the lower surface of cover and the distance between the upper surface of sealing plate 223.Brush 24 is by the slag in filter hole 222 from the second mistake Filter chamber is brushed out to the first filter chamber direction, reduces the slag content of the water in the first filter chamber, improves the filtrate of the first filter chamber Cleannes.
The lower part of tower body 211 is funnel-shaped, and the lower part of tower body 211 is equipped with slag-drip opening 215, and slag-drip opening 215 is equipped with valve 216, the top of tower body 211 is equipped with gap 218, and gap 218 is lower than the lower end of electric gourd hang 233, the side wall of tower body 211 Equipped with observation panel 217, observation panel 217 is sealed using transparent glass.
The upper surface of isolation board 231 is smooth plane, and the cross section of the outer end of isolation board 231 is arc-shaped, isolation board 231 outer end is close to the inner wall of tower body 211 when isolation board 231 rotates always, and the side of isolation board 231, which is equipped with, gets out of a predicament or an embarrassing situation, every The other side from plate 231 be equipped with matched top bar of getting out of a predicament or an embarrassing situation, adjacent two pieces of isolation boards 231 are by getting out of a predicament or an embarrassing situation and top bar Cooperation is stitched together.When needing deslagging, isolation board 231 is sling with electric gourd hang 233, so that the inner end of isolation board 231 Upper surface be pressed in the lower surface of sealing plate 223, isolation boards 231 all at this time is spliced into an annular plate, and is isolated Plate 231 separates the first filter chamber, and the lower section of isolation board 231 is the slag for needing to discharge, and the top of isolation board 231 is to need Continue the waste water of filtering, then open valve 216, slag will be discharged from slag-drip opening 215.After the completion of deslagging, electronic calabash Reed hangs 233 and unclamps isolation board 231, and the inner end of isolation board 231 is under the action of self gravity and waste water gravity around isolation board 231 Outer end be rotated down, isolation board 231 is detached from sealing plate 223, and the slag and waste water of the top of isolation board 231 enter isolation board 231 Lower section, when the lower section of isolation board 231 slag accumulation to a certain extent, isolation board 231 is sling into deslagging again, circulation carries out. During deslagging, to the filtering of waste water without stopping, the waste water that water inlet pipe 26 is pumped into gives up cartridge filter 221 without pause The filtering of water and deslagging are mutually indepedent, are mutually independent of each other, and can be carried out continuously to the filtering of waste water.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to In the covered the scope of the patents of the present invention.

Claims (7)

1. a kind of feldspar in powder production waste utilization system, which is characterized in that including
Sedimentation basin, including several and be arranged side by side, the sedimentation basin is for recycling the dirt that water mill workshop includes potassium feldspar slag Water;
Filtration tank, the sewage are pumped into the filtration tank, and the sewage is filtered by the filtration tank, obtain filter residue and can The clear water of recycling;
Dewaterer, the filter residue are transported to the dewaterer, and the filter residue is dehydrated by the dewaterer, obtain filtrate and slag is dry Material, the filtrate pumped back filtration tank;
Recovery bin recycles slag siccative;And
Clear water reserviors are set side by side below filtration tank and with sedimentation basin, and the clear water reserviors are collected the filtration tank and are obtained by filtration Clear water;
The filtration tank includes tower body and cartridge filter, and the cartridge filter is set in the tower body, and the tower body is cylindrical, described The lower part of tower body is equipped with stabilizer blade, and the top of the tower body is equipped with cover, and the cover includes outer cover and inner cover, and the outer cover is in ring Shape, it is described in be covered in the outer cover, the inner cover is rotatablely connected the outer cover, it is described it is outer be covered with water inlet pipe, it is described in Outlet pipe is rotatably connected in the middle part of lid, the lower part of the tower body is funnel-shaped, and the lower part of the tower body is equipped with slag-drip opening, described Slag-drip opening is equipped with valve;The top of the cartridge filter is fixedly connected on the inner cover, the lower outside wall rotation of the cartridge filter It is connected with one piece of sealing plate in a ring, the side wall of the cartridge filter is equipped with filter hole, and the filter hole is set to the sealing plate Top;The first filter chamber is formed between the cartridge filter and tower body, the cavity of the cartridge filter forms the second filter chamber, described Water inlet pipe is connected to first filter chamber, and the lower end of the outlet pipe extends into the bottom of second filter chamber, the water outlet The upper end of pipe is connected with water pump, and the water pump is fixed on the outer cover, is equipped with brush in second filter chamber, the brush Handle one end is fixedly connected on the outlet pipe, and bristle one end of the brush is connected to the inner wall of the cartridge filter, and described The lower part of one filter chamber is equipped with several pieces of isolation boards, and the isolation board is in fan-shaped, and several pieces of isolation boards are mutually spliced into one The plate of block in a ring, the outer diameter of the isolation board are equal to the internal diameter of the tower body, and the internal diameter of the isolation board is greater than the filtering The outer diameter of cylinder, the internal diameter of the isolation board are less than the outer diameter of the sealing plate, and the outer end of the isolation board is hingedly coupled to described The side wall of tower body, the upper surface of the isolation board are connected with chain, and the upper end of the chain is connected with electric gourd hang, the electricity Dynamic hoist is fixed on the outer cover, and the lateral wall of the tower body is fixedly connected with motor, and inner cover described in the motor driven turns It is dynamic.
2. a kind of feldspar in powder production waste utilization system according to claim 1, it is characterised in that: the isolation The side of plate is equipped with and gets out of a predicament or an embarrassing situation, and the other side of the isolation board is equipped with and the matched top bar of getting out of a predicament or an embarrassing situation.
3. a kind of feldspar in powder production waste utilization system according to claim 1, it is characterised in that: the tower body Top be equipped with gap, the gap be lower than the electric gourd hang lower end.
4. a kind of feldspar in powder production waste utilization system according to claim 1, it is characterised in that: the inner cover Upper surface be fixedly connected with belt pulley, the middle part of the belt pulley is equipped with through-hole, the central axis of the belt pulley, through-hole Central axis is overlapped with the central axis of inner cover, and the outlet pipe passes through the through-hole, and the outlet pipe connects by the way that connecting rod is fixed It is connected to the outer cover, the motor connects the belt pulley by belt.
5. a kind of feldspar in powder production waste utilization system according to claim 1, it is characterised in that: the brush Bristle be made of plastic wire.
6. a kind of feldspar in powder production waste utilization system according to claim 5, it is characterised in that: the brush Bristle vertical width be equal to the cover lower surface between the upper surface of the sealing plate at a distance from.
7. a kind of feldspar in powder production waste utilization system according to claim 3, it is characterised in that: the tower body Side wall be equipped with observation panel, the observation panel using transparent glass sealing.
CN201811162330.5A 2018-09-30 2018-09-30 Potassium feldspar powder production sewage comprehensive utilization system Active CN109126278B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811162330.5A CN109126278B (en) 2018-09-30 2018-09-30 Potassium feldspar powder production sewage comprehensive utilization system

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Application Number Priority Date Filing Date Title
CN201811162330.5A CN109126278B (en) 2018-09-30 2018-09-30 Potassium feldspar powder production sewage comprehensive utilization system

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CN109126278A true CN109126278A (en) 2019-01-04
CN109126278B CN109126278B (en) 2021-05-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762563A (en) * 1971-02-23 1973-10-02 P Petersen Cylindrical rotary strainer
CN203154931U (en) * 2013-01-21 2013-08-28 秦皇岛同力达环保能源工程有限公司 Drum-type self-cleaning filtering machine
CN107376505A (en) * 2017-09-15 2017-11-24 贺州市骏鑫矿产品有限责任公司 A kind of feldspar in powder produces waste recycle system
CN207347286U (en) * 2017-08-23 2018-05-11 北京耐特尔环境工程技术有限公司 Waste water filter device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762563A (en) * 1971-02-23 1973-10-02 P Petersen Cylindrical rotary strainer
CN203154931U (en) * 2013-01-21 2013-08-28 秦皇岛同力达环保能源工程有限公司 Drum-type self-cleaning filtering machine
CN207347286U (en) * 2017-08-23 2018-05-11 北京耐特尔环境工程技术有限公司 Waste water filter device
CN107376505A (en) * 2017-09-15 2017-11-24 贺州市骏鑫矿产品有限责任公司 A kind of feldspar in powder produces waste recycle system

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Denomination of invention: A comprehensive utilization system of sewage from potassium feldspar powder production

Effective date of registration: 20211108

Granted publication date: 20210507

Pledgee: Bank of Guilin Co., Ltd. Hezhou branch

Pledgor: Hezhou Junxin mineral products Co., Ltd

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