CN208166817U - The device that sugared mud realization clarifying agent recycles is handled using suspension sintering method - Google Patents
The device that sugared mud realization clarifying agent recycles is handled using suspension sintering method Download PDFInfo
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- CN208166817U CN208166817U CN201820251804.2U CN201820251804U CN208166817U CN 208166817 U CN208166817 U CN 208166817U CN 201820251804 U CN201820251804 U CN 201820251804U CN 208166817 U CN208166817 U CN 208166817U
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Abstract
The device that sugared mud realization clarifying agent recycles is handled using suspension sintering method the utility model discloses a kind of comprising by sugar mill mud pretreatment unit, raw material storage, metering device, suspension preheating device, suspension decomposer, depth decarburization device, fluidized suspension cooling device, powdered lime library, CO2Reuse means, slaking apparatus, ingredient pans, carbonating tank, cohesion tank, filter-pressing device.The utility model realizes sugar mill mud/powdered lime calcination/carbonation circulation and CO2Evolution/absorption circulation, the resource recycling for realizing sugar mill mud utilize, and solve the problem of environmental pollution that solid waste sugar mill mud generates.
Description
One, technical field
The utility model relates to solid waste sugar mill muds to reprocess field, in particular to sugaring juice,liming agent circulation
Using field, Cyclic Calcination/carbonation reaction of specifically a kind of sugar mill mud/powdered lime, and with CO2Circulation evolution/
The device of absorbing reaction.
Background technique
So far, the method for sugar industry juice,liming has lime method, carbonatation process and sulfurous method etc., wherein carbonatation process
Removable non-glucide is more, and the sugared rate of recovery is higher, and the purity is high of finished product sugar, coloration is low, and can store long constant
Color is ideal syrup clarifying method.
The clarifying agent that carbonatation process sugaring uses is lime（Also known as calcareous clarifying agent）And CO2, when operation, it is added in syrup
Milk of lime, while being filled with CO2Full charge, the lime and CO of milk of lime2Reaction generation calcium carbonate microparticle, while adsorbing contaminant formation
Paste precipitating, the precipitating of generation are referred to as sugar mill mud, abbreviation filter mud.
Sugar mill mud belongs to the solid waste of sugar industry discharge, and quantity is big, and processing is difficult, has data to show, in original
Sugared sugar manufacturing industry, 1 ton of sugar of every production will be about 0.1 ton of filter mud waste residue of discharge, and in sugarcane or beet sugar manufacturing industry, discharge is given up
Slag is more, and a large amount of filter mud waste residue direct emission causes environmental pollution, how to solve the problem of environmental pollution of sugar mill mud,
It is that sugar manufacturing industry expectation solves the problems, such as.
The content of the CaO of butt sugar mill mud is about 50%, and the content of the organic matters such as raw sugar, reduced sugar is about 1.67%, and
Containing impurity such as other siliceous, aluminums, magnesia, irony compounds, material particular diameter is usually in 0.05mm or so.With natural lime
Stone compares, sugar mill mud in addition to a small amount of organic matter contained, ingredient very close to.
The processing of sugar mill mud has certain limitation, currently, only small part filter mud is used as cement plant, building block factory
The raw material of equal factories, the overwhelming majority are allowed to stand for stacking or fill, be both the burden of enterprise, be also important problem of environmental pollution.
It is specific as follows：
（1）The content of the inorganic matters such as the CaO of raw material butt sugar mill mud as cement processed and the stone matter of production cement
Raw material is roughly the same, may be used as the stone matter raw material that substitution produces cement.But comparison cement industry is to the huge of raw limestone
Amount demand, sugar mill mud seem insignificant again, are not enough to cause the investment interest of cement industry, and by transportation radius shadow
It rings, not every sugar mill mud can be used for production cement, and in recent years, the industries excess capacity such as cement, factory's utilization of capacity
Deficiency, sugar mill mud are used for manufacture of cement, and there is certain difficulties for operability.
（2）Sugar mill mud is used to have certain practical valence as composite fertilizer material for making organic-inorganic compound fertilizer
Value, but since the calcium carbonate content in carbonatation process filter mud is too high, the beneficiating ingredients content such as nitrogen, phosphorus, potassium is very little, and fertilizer efficiency is not high,
And the drying of filter mud needs to put into higher expense, compared with common agricultural composite fertilizer, commercial value is not high.
（3）As the calcium carbonate that production building-block is contained using sugar mill mud, increase the cementing area of block interiors, it can
To improve compression strength.But due to containing organic composition in sugar mill mud, organic composition has the performance of building block negative
Face effect needs to increase incinerator, not only increases investment, also improve product cost, no economy is excellent to remove organic matter
Gesture.
（4）It stands and stacks or fill up that standing is stacked or landfill of digging pit is most easy in the industry and most common side
Method.This not only occupies a large amount of soils, but also causes underground water pollution；If landfill imprecision, filter mud go bad it is smelly, breed
Fly causes secondary pollution, destroys ambient enviroment.
（5）Lime is produced into sugar mill mud regeneration and carbon dioxide should be the ideal side for solving sugar mill mud pollution problem
Method, in recent years, people have carried out a large amount of research and exploration, but always without obtaining Progress in industrialization.The patent No.
201710072575.8 produce lime using high temperature furnace calcining sugar mill mud, but there are still the CO generated in calcination process2's
Processing problem；Calcium-based materials are carried out CaCO in laboratory conditions, using thermogravimetric analyzer by researcher3/ CaO is recycled
Calcination/carbonation experiment, discovery is with the increase of cycle-index, and the activity of lime reduces, and there are sintering phenomenons；In industry
Field carries out calcining using vertical calcining furnace, hollow rotary kiln and produces lime using sugar mill mud as raw material, the problem is that
Unstable product quality, heat consumption are big, at high cost.
In conclusion the current situation for solving sugar mill mud environment pollution technology not yet enters industrialization, industrialization stage,
Sugar manufacturing industry is badly in need of a kind of industrialization, industrialization technology and equipment for solving sugar mill mud environmental pollution.
Three, utility model content
The utility model aim is to solve the problem of environmental pollution that solid waste sugar mill mud generates, by sugaring
The processing of filter mud/powdered lime Cyclic Calcination/carbonating, and with CO2Evolution/absorbing reaction is recycled, is the harmless of filter mud
Processing provides a kind of new equipment, not only solves the problem of environmental pollution of filter mud, also achieves the resource recycling benefit of filter mud
With.
The technical solution adopted in the utility model is：It is a kind of to handle sugared mud realization clarifying agent circulation benefit using suspension sintering method
Device, including sugar mill mud pretreatment unit, raw material storage, metering device, suspension preheating device, suspension decomposer, depth
Spend decarbonization device, fluidized suspension cooling device, powdered lime library, slaking apparatus, ingredient pans, carbonating tank, cohesion tank, filters pressing
Device, CO2Reuse means.Decarburization burner is arranged in depth decarburization device, and suspension decomposer lower part appropriate location is also provided with
Decomposition combustion device；
The filter mud pretreatment unit is connected by transloading equipment with raw material storage；Raw material storage outlet setting metering dress
It sets；Metering device is connected by conveying device with suspension preheating device feed inlet；Suspension preheating device discharge port and suspension point
Solution device feed inlet is connected；Suspension decomposer discharge port is connected with depth decarburization device feed inlet, suspension preheating device
Gas outlet and CO2Reuse means is connected, CO2Reuse means gas outlet is connected with carbonating tank air inlet；Depth decarburization dress
The discharge port set is connected with fluidized suspension cooling device feed inlet；Fluidized suspension cooling device discharge end by conveying equipment with
Powdered lime library is connected；Powdered lime library discharge end is connected with slaking apparatus feed inlet；Slaking apparatus discharge port passes through pipe
Road is connected with ingredient pans feed inlet；Ingredient pans discharge port is connected with carbonating tank feed inlet；Carbonating tank discharge port
It is connected by pipeline with cohesion tank feed inlet；Cohesion tank discharge port is connected with filter-pressing device.
The sugar mill mud pretreatment unit is used for sugar mill mud drying and dehydrating and powder is made；The raw material storage
For storing filter mud powder；The metering device is for measuring and controlling the inventory into powdered lime firing system；Institute
The suspension preheating device stated is for pre-heating powder material to critical decomposition temperature；The suspension decomposer faces for making to be in
The CaCO of boundary's decomposition temperature3It is decomposed into CaO and CO2；The depth decarburization device is for making not decompose CaCO completely3In CO2
Evolution completely provides stable temperature field and space, usual depth decarburization device inclination installation, with it for CaCO3 gross decarburization
Rotation material is slowly moved from feed end to discharge end, at the same time it can also the CO by adjusting material2Time of liberation and speed,
Control the life burning rate of lime；High-temperature lime of the fluidized suspension cooling device for cooling depth decarburization device out；Institute
State CO2Reuse means be used for collects processing powdered lime firing system generate be rich in CO2Tail gas, reach sugaring process pair
CO2Requirement；Slaking apparatus is used to add water that milk of lime is made powdered lime, and removes insoluble impurity；Ingredient pans
For mixing milk of lime and raw sugar juice；Carbonating tank is full charge CO2Milk of lime is set to be carbonized to form CaCO3The reactor of particle；Agglomerate tank
It is CaCO3Particle adsorbs the reactor of impurity in syrup and coagulative precipitation；Filter-pressing device is to realize sugar mill mud and syrup filtrate
The device of separation of solid and liquid.
The working principle of the utility model is：Sugar mill mud is pre-processed first, then by pretreated material
It measures and is transported to suspension preheating device, after material is preheated to critical decomposition temperature, then suspension decomposer is transferred to, so that absolutely
CaCO occurs for most of material3It decomposes, generates CaO and CO2；It is complete to be imported into depth decarburization device for the material of suspension decomposer out
At depth decarburization, high-temperature lime is generated；Out the high-temperature lime of depth decarburization device after fluidized suspension cooling device is cooling to get
Powdery active lime；By-product CO2CO needed for being used as full charge process2Gas.Water is added to be made powdery active lime obtained
Milk of lime Ca (OH)2, then mixed with raw sugar solution, then the full charge CO into mixed liquor2, form CaCO3Particle, particle absorption
Impurity forms paste precipitating, as sugar mill mud.Realize sugar mill mud/powdered lime calcination/carbonation circulation and CO2Ease
Out/absorption circulation.
Specifically：
Process one：Sugar mill mud calcining and CO2Evolution
Sugar mill mud is pre-processed first, the pretreatment is that filter mud drying and dehydrating then is made into powder；
Material storing is transported to suspension preheating device in raw material storage after pretreatment after then being measured, and material is preheated to critical
Decomposition temperature, then it is transferred to suspension decomposer, make material of the overwhelming majority in critical decomposition temperature that CaCO occur3It decomposes, it is raw
At CaO and CO2；The material of suspension decomposer imports depth decarburization device and completes depth decarburization, the depth decarburization dress out
It sets for making not decompose CaCO completely3In CO2Evolution completely；The high-temperature lime of depth decarburization device is cooling through fluidized suspension out
To get powdery active lime after device is cooling；The by-product CO generated in sugar mill mud calcination process2It is used as full charge process institute
The CO needed2Gas, to be ready for use on carbonation juice-milk of lime mixed liquor.
Process two：CO2It absorbs and powdered lime is carbonized
Add water that milk of lime Ca (OH) is made first with the powdered lime that filter mud is fired2, then with raw sugar solution mix and turn
It send into carbonating tank, then the full charge CO into the mixed liquor of carbonating tank2, form CaCO3Particle, CaCO3The cohesion of particle adsorbing contaminant
Paste precipitating is formed, after filtering is separated by solid-liquid separation, syrup filtrate goes to deep processing workshop, and filter residue is sugar mill mud, then is followed
Ring is used as the raw material of calcining powdered lime.
The above process one, process two, process one, process two so in cycles, and then realize sugaring filter
Mud/powdered lime calcination/carbonation circulation and CO2Evolution/absorption circulation.
The temperature field that depth decarburization device forms lime decarburization is entered by the thermal-flame that decarburization burner combustion generates, and
Heat is provided for depth decarburization；The thermal-flame that the burning of decomposition combustion device generates enters suspension decomposer and forms decomposition of limestone
Temperature field, and be CaCO3It decomposes and heat is provided.
In view of material loss problem during recycling, certain calcareous raw material is usually added in preprocessing process,
To meet the needs of material balance between each process in production process.
The utility model has the characteristics that：
1, solid waste recycling.The utility model realizes sugar mill mud/powdered lime Cyclic Calcination/carbonization, both
It solves the pollution problem of solid waste, protects environment, and the resource recycling for realizing sugar mill mud utilizes, from basic
On solve the problem of environmental pollution of sugar mill mud, also increase the economic benefit of enterprise.
2, reduce CO2Discharge.The utility model realizes CO2Circulation evolution/absorption, reduce outside sugar enterprise
The expense that CO2 gas is used for full charge is purchased, thus reduces the discharge of CO2.
3, using suspension preheating predecomposition sintering process, the decomposition of CaCO3 carries out under suspended state always, reaction environment
In CO2 partial pressure it is small, be conducive to improve lime activity；The use of depth decarburization device ensure that filter mud decarburization is complete, reduce
Raw burn phenomenon, gained Activity of Lime is high, quality is good.
The utility model is equally applicable to the solid waste such as paper white sludge, the calcium carbonate slag that ardealite sulphur ammonium fertilizer generates
Resource recycling utilize.
Four, Detailed description of the invention
Fig. 1 utility model diagram.
In Fig. 1：Sugar mill mud pretreatment unit 1, metering device 3, suspension preheating device 4, suspends and decomposes dress at raw material storage 2
Set 5, depth decarburization device 6, fluidized suspension cooling device 7, powdered lime library 8, slaking apparatus 9, ingredient pans 10, carbonating tank
11, tank 12, filter-pressing device 13, CO are agglomerated2Reuse means 14, decarburization burner 15, decomposition combustion device 16.
Fig. 2 the utility model flow diagram.
Five, specific embodiment
Now in conjunction with attached schematic diagram shown in FIG. 1, the utility model is described as follows.
The utility model includes sugar mill mud pretreatment unit 1, raw material storage 2, metering device 3, suspension preheating device 4, hangs
Floating decomposer 5, depth decarburization device 6, fluidized suspension cooling device 7, powdered lime library 8, slaking apparatus 9, ingredient pans
10, carbonating tank 11, cohesion tank 12, filter-pressing device 13, CO2Decarburization burner is arranged in reuse means 14, depth decarburization device 6
16, decomposition combustion device 16 is arranged in 5 lower part appropriate location of suspension decomposer.
The sugar mill mud pretreatment unit 1 is used for sugar mill mud drying and dehydrating and powder is made；The raw material
Library 2 is used to store the filter mud of powder shaped；The metering device 3 is for measuring and controlling the object into powdered lime firing system
Doses；The suspension preheating device 4 is for pre-heating powder material to critical decomposition temperature；The suspension decomposer 5 is used
In making the CaCO in critical decomposition temperature3It is decomposed into CaO and CO2；The depth decarburization device 6 is for making not decompose completely
CaCO3In CO2Evolution completely, stable temperature field and space is provided for CaCO3 gross decarburization, usual depth decarburization device inclines
Tiltedly installation, rotates with it material and slowly moves from feed end to discharge end, at the same time it can also the CO by adjusting material2Evolution
Time and speed control the life burning rate of lime；The fluidized suspension cooling device 7 is for cooling depth decarburization device 6 out
High-temperature lime；The CO2Reuse means 14 be used for collects processing powdered lime firing system generate be rich in CO2Tail gas,
Reach sugaring process to CO2Requirement；Slaking apparatus 9 is used to add water that milk of lime is made powdered lime, and removes insoluble
Impurity；Ingredient pans 10 are for mixing milk of lime and raw sugar juice；Carbonating tank 11 is full charge CO2Milk of lime is set to be carbonized to form CaCO3
The reactor of particle；Agglomerating tank 12 is CaCO3Particle adsorbs the reactor of impurity in syrup and coagulative precipitation；Filter-pressing device 13 is
Realize sugar mill mud and the device that syrup filtrate is separated by solid-liquid separation.
The filter mud pretreatment unit 1 is connected by transloading equipment with raw material storage 2；The outlet of raw material storage 2 setting metering
Device 3；Metering device 3 is connected by conveying device with 4 feed inlet of suspension preheating device；4 discharge port of suspension preheating device with
5 feed inlet of suspension decomposer is connected；5 discharge port of suspension decomposer is connected with 6 feed inlet of depth decarburization device, suspends
4 gas outlet of preheating device and CO2Reuse means 14 is connected, CO214 gas outlet of reuse means and 11 air inlet phase of carbonating tank
Connection；The discharge port of depth decarburization device 6 is connected with 7 feed inlet of fluidized suspension cooling device；Fluidized suspension cooling device 7 goes out
Material end is connected by conveying equipment with powdered lime library 8；8 discharge end of powdered lime library is connected with 9 feed inlet of slaking apparatus；
9 discharge port of slaking apparatus is connected by pipeline with 10 feed inlet of ingredient pans；10 discharge port of ingredient pans and carbonating tank
11 feed inlets are connected；11 discharge port of carbonating tank is connected by pipeline with cohesion 12 feed inlet of tank；Agglomerate 12 discharge port of tank with
Filter-pressing device 13 is connected.
The working principle of the utility model is：Sugar mill mud is pre-processed first, then by pretreated material
It measures and is transported to suspension preheating device 4, after material is preheated to critical decomposition temperature, then be transferred to suspension decomposer 5, so that
CaCO occurs for most materials3It decomposes, generates CaO and CO2；The material of suspension decomposer 5 is imported into depth decarburization device out
6 complete depth decarburization, generate high-temperature lime；The high-temperature lime of depth decarburization device 6 is cooling through fluidized suspension cooling device 7 out
Afterwards to get powdery active lime；By-product CO2CO needed for being used as full charge process2Gas.By powdery active lime obtained
Add water that milk of lime Ca (OH) is made2, then mixed with raw sugar solution, then the full charge CO into mixed liquor2, form CaCO3Particle, should
Particle adsorbing contaminant forms paste precipitating, as sugar mill mud.Realize sugar mill mud/powdered lime calcination/carbonation circulation
And CO2Evolution/absorption circulation.
Specifically：
Process one：Sugar mill mud calcining and CO2Evolution
Sugar mill mud is pre-processed first, the pretreatment is then to be made into sugar mill mud drying and dehydrating
Powder；Material storing is transported to suspension preheating device 4, material is preheated in raw material storage 2 after pretreatment after then being measured
To critical decomposition temperature, then it is transferred to suspension decomposer 5, makes materials of the overwhelming majority in critical decomposition temperature that CaCO occur3
It decomposes, generates CaO and CO2；The material of suspension decomposer 5 imports depth decarburization device 6 and completes depth decarburization, the depth out
Degree decarbonization device 6 is for making not decompose CaCO completely3In CO2Evolution completely；The high-temperature lime of depth decarburization device 6 is through flowing out
To get powdery active lime after change suspension cooling device 7 is cooling；The by-product CO generated in sugar mill mud calcination process2By with
CO needed for making full charge process2Gas, to be ready for use on carbonation juice-milk of lime mixed liquor.
Process two：CO2It absorbs and powdered lime is carbonized
Add water that milk of lime Ca (OH) is made first with the powdered lime that sugar mill mud is fired2, then mix with raw sugar solution
And it transfers in carbonating tank 11, the then full charge CO into the mixed liquor of carbonating tank 112, form CaCO3Particle, CaCO3Particle absorption
Impurity agglomerates to form paste precipitating, and after filtering is separated by solid-liquid separation, syrup filtrate goes to deep processing workshop, and filter residue is filter of refining sugar
Mud, then it is recycled as the raw material of calcining powdered lime.
The above process one, process two, process one, process two, so in cycles, and then realization sugar mill mud/
The calcination/carbonation of powdered lime recycles and CO2Evolution/absorption circulation.
The temperature that depth decarburization device 6 forms lime decarburization is entered by the thermal-flame that the burning of decarburization burner 15 generates
, and heat is provided for depth decarburization；The thermal-flame that the burning of decomposition combustion device 16 generates enters suspension decomposer 5 and forms stone
The temperature field that lime stone decomposes, and be CaCO3It decomposes and heat is provided.
In view of material loss problem during recycling, certain calcareous raw material is usually added in preprocessing process,
To meet the needs of material balance between each process in production process.
Claims (1)
1. a kind of handle the device that sugared mud realization clarifying agent recycles using suspension sintering method, it is characterised in that：Including sugaring
Filter mud pretreatment unit, raw material storage, metering device, suspension preheating device, suspension decomposer, depth decarburization device, fluidisation are outstanding
Floating cooling device, powdered lime library, CO2Reuse means, slaking apparatus, ingredient pans, carbonating tank, cohesion tank, filters pressing dress
It sets；Decarburization burner is arranged in depth decarburization device, and suspension decomposer lower part appropriate location is also provided with decomposition combustion device；
The filter mud pretreatment unit is connected by transloading equipment with raw material storage；Raw material storage outlet setting metering device；Meter
Amount device is connected by conveying device with suspension preheating device feed inlet；Suspension preheating device discharge port and suspension decomposer
Feed inlet is connected；Suspension decomposer discharge port is connected with depth decarburization device feed inlet, suspension preheating device gas outlet
With CO2Reuse means is connected, CO2Reuse means gas outlet is connected with carbonating tank air inlet；Depth decarburization device goes out
Material mouth is connected with fluidized suspension cooling device feed inlet；Fluidized suspension cooling device discharge end passes through conveying equipment and powdery stone
Grey library is connected；Powdered lime library discharge end is connected with slaking apparatus feed inlet；Slaking apparatus discharge port passes through pipeline and matches
Material pans feed inlet is connected；Ingredient pans discharge port is connected with carbonating tank feed inlet；Carbonating tank discharge port passes through pipe
Road is connected with cohesion tank feed inlet；Cohesion tank discharge port is connected with filter-pressing device；
The sugar mill mud pretreatment unit is used for sugar mill mud drying and dehydrating and powder is made；The raw material storage is used for
Store the filter mud of powder shaped；The metering device is for measuring and controlling the inventory into powdered lime firing system；Institute
The suspension preheating device stated is for pre-heating powder material to critical decomposition temperature；The suspension decomposer faces for making to be in
The CaCO of boundary's decomposition temperature3It is decomposed into CaO and CO2；The depth decarburization device is for making not decompose CaCO completely3In CO2
Evolution completely, stable temperature field and space are provided for CaCO3 gross decarburization, and the inclination installation of depth decarburization device rotates with it
Material is slowly moved from feed end to discharge end；Height of the fluidized suspension cooling device for cooling depth decarburization device out
Fire stons ash；The CO2Reuse means be used for collects processing powdered lime firing system generate be rich in CO2Tail gas, reach system
Sugared process is to CO2Requirement；Slaking apparatus is used to add water that milk of lime is made powdered lime, and removes insoluble impurity；Match
Material pans are for mixing milk of lime and raw sugar juice；Carbonating tank is full charge CO2Milk of lime is set to be carbonized to form CaCO3The reaction of particle
Device；Agglomerating tank is CaCO3Particle adsorbs the reactor of impurity in syrup and coagulative precipitation；Filter-pressing device be realize sugar mill mud with
The device that syrup filtrate is separated by solid-liquid separation.
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 271000 Tai'an high tech Zone, North Gate Street, No. 2907, No. Patentee after: TAI'AN ZHONGYI HEAVY INDUSTRIAL EQUIPMENT CO.,LTD. Address before: 271000 Tai'an high tech Zone, North Gate Street, No. 2907, No. Co-patentee before: Xin Ming Patentee before: Xin Shengye |
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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 utility model: Device for treating sugar mud by suspension firing method to realize circulating utilization of clarifier Effective date of registration: 20210809 Granted publication date: 20181130 Pledgee: Taixi sub branch of Taian Bank Co.,Ltd. Pledgor: TAI'AN ZHONGYI HEAVY INDUSTRIAL EQUIPMENT Co.,Ltd. Registration number: Y2021980007462 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20210813 Granted publication date: 20181130 Pledgee: Taixi sub branch of Taian Bank Co.,Ltd. Pledgor: TAI'AN ZHONGYI HEAVY INDUSTRIAL EQUIPMENT Co.,Ltd. Registration number: Y2021980007462 |
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Denomination of utility model: Device for treating sugar mud by suspension firing method to realize circulating utilization of clarifier Effective date of registration: 20210817 Granted publication date: 20181130 Pledgee: Taixi sub branch of Taian Bank Co.,Ltd. Pledgor: TAI'AN ZHONGYI HEAVY INDUSTRIAL EQUIPMENT Co.,Ltd. Registration number: Y2021980007855 |
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Date of cancellation: 20220901 Granted publication date: 20181130 Pledgee: Taixi sub branch of Taian Bank Co.,Ltd. Pledgor: TAI'AN ZHONGYI HEAVY INDUSTRIAL EQUIPMENT CO.,LTD. Registration number: Y2021980007855 |