CN211799324U - Ferrosilicon powder recycling cyclic processing system - Google Patents

Ferrosilicon powder recycling cyclic processing system Download PDF

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Publication number
CN211799324U
CN211799324U CN202020281253.1U CN202020281253U CN211799324U CN 211799324 U CN211799324 U CN 211799324U CN 202020281253 U CN202020281253 U CN 202020281253U CN 211799324 U CN211799324 U CN 211799324U
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pipe
ferrosilicon powder
pump
conveyer
conveyer pipe
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王书礼
王世兰
孔令斌
王磊
刘佃彪
王建
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Weihai Haiwang Technology Co ltd
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Weihai Haiwang Technology Co ltd
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Abstract

The utility model relates to the technical field of material recycling, in particular to a ferrosilicon powder recycling and recycling treatment system with storage capacity, which is provided with a screening device, a magnetic separation device, an impurity slurry storage pool, a pump pool, a delivery pump and a delivery pipe, and is characterized in that a ferrosilicon powder recycling and recycling component is arranged between the delivery pump and the pump pool, the ferrosilicon powder recycling and recycling component comprises a dewatering device, a circulating water pump pool, a ferrosilicon powder storage pool and a delivery belt, a three-way pipe is connected on the delivery pipe between the delivery pump and a production system, one pipe orifice in the three-way pipe is connected with the delivery pump through the delivery pipe, the second pipe orifice of the three-way pipe is connected with the production system through the delivery pipe, a valve A is arranged on the delivery pipe, the third pipe orifice of the three-way pipe is communicated with a feed inlet of the dewatering device through the delivery pipe, a valve B is arranged on the, has the advantages of simple structure, simple and convenient operation, good recovery effect and the like.

Description

Ferrosilicon powder recycling cyclic processing system
Technical Field
The utility model belongs to the technical field of the material recovery technique of recycling and specifically relates to a simple structure, easy and simple to handle, retrieve effectual ferrosilicon powder recovery recycling system who has storage capacity.
Background
As is known, heavy medium beneficiation refers to a method of sorting ore particles according to a difference in specific gravity in a medium having a specific gravity greater than that of water. That is, the minerals with different specific gravities are separated from each other in a straight flow or a two-phase flow by using the principle of floating and sinking. The heavy medium ore dressing technology is one of the main sorting technologies in the field of mineral sorting, and is suitable for processing useful minerals which are embedded in aggregates or coarse particles. After the ore is crushed, a large amount of monomer gangue is produced and removed by a heavy medium beneficiation method, so that the ore is not subjected to ore grinding and sorting operation any more. Thereby greatly reducing the production cost and improving the processing capacity of the concentrating mill. For iron ore and manganese ore which are mined underground, the mixed surrounding rock can be removed in advance by utilizing a dense medium beneficiation method, and the geological grade is recovered. The heavy medium beneficiation method is widely applied to the treatment of iron, manganese, tin, tungsten and other ores in China.
A medium having a specific gravity greater than that of water we refer to as a heavy medium, such a medium comprising a heavy liquid and a heavy suspension. The heavy liquid is a liquid with a specific gravity larger than that of water, such as tetrabromoethane, tribromomethane, diiodomethane and the like, and the heavy liquid is hardly applied in production due to high price. The dense media used in industry is in fact a heavy suspension, which is a two-phase fluid of fine-grained high-density solid particles mixed with water (rarely air). The high density particles act to increase the density of the medium and are referred to as heavies, which are selected primarily for two reasons: the suspension liquid has high density and can be prepared to have the density meeting the requirement; and secondly, the polluted suspension is convenient to recover, and can be purified by simple methods such as magnetic separation, flotation and the like. The heaviest weight adopted in ore dressing isFerrosilicon powder (specific gravity 6.9 g/cm)3Particle size-0.045 mm accounts for more than 90%), followed by galena, magnetite and pyrite powders of lower density.
The ferrosilicon powder is the heaving weight which is used most in practice because the ferrosilicon powder has the characteristics of oxidation resistance, high hardness, strong magnetism and the like, and the ferrosilicon powder has the main problems of high price and troublesome preparation of massive ferrosilicon. Therefore, a set of heavy medium recovery system is required in industrial production, and the existing recovery system is mainly characterized in that the separated ferrosilicon heavy suspension is purified by a magnetic separation method and directly returned to the production system after purification. Although this recovery system simple structure, recovery efficiency is high, but have a problem just be no agitating unit in the pump pond for heavy suspension density is inhomogeneous under the action of gravity, it is undulant to cause the production index easily behind the return production system, and this system does not have buffer memory dense medium device in addition, if production system and recovery system need shut down to overhaul or because of the trouble or because of other reasons when promptly stopping, recovery system can't buffer memory ferrosilicon powder heavy suspension, stops stopping the pipeline after ferrosilicon subsides in the system. On site, compressed air is introduced into the bottom of the pump pool to inhibit the ferrosilicon powder from settling by rising bubbles. The method has obvious effect on weighting agents such as magnetite powder and the like, but the method has no obvious effect on the ferrosilicon powder because the ferrosilicon powder has too high density. If pour out the ferrosilicon heavy suspension in the pump pond, but have the problem that the heavy suspension liquid measure is many occupation space big, and second ferrosilicon powder subsides easily and hardens and hardly reuse again, causes the wasting of resources polluted environment, increases manufacturing cost.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a silicon iron powder recycling and reusing circular processing system with simple structure, simple operation and good recycling effect and storage capacity.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a ferrosilicon powder is retrieved and is recycled cyclic processing system, is equipped with screening plant, magnetic separation device, impurity ground paste storage pool, pump pond, delivery pump and conveyer pipe, screening plant's sieve discharge gate under sieve be linked together through the feed inlet of conveyer pipe with the magnetic separation device, the non-magnetic impurity discharge gate of magnetic separation device be linked together through conveyer pipe and impurity ground paste storage pool, the magnetic substance ferrosilicon powder export of magnetic separation device is linked together through the feed inlet of conveyer pipe with the pump pond, the discharge gate in pump pond is connected through the import of conveyer pipe with the delivery pump, the export of delivery pump is carried to the production system in through the conveyer pipe, the production system in the ferrosilicon powder heavy suspension export that contains the ore granule be linked together with screening plant's feed inlet, its characterized in that delivery pump and pump pond between be equipped with ferrosilicon powder recovery circulation subassembly, ferrosilicon powder recovery circulation subassembly, Circulating water pump pond, ferrosilicon powder storage pond, conveyer belt are constituteed, conveyer pump and production system between the conveyer pipe on connect the three-way pipe, a mouth of pipe in the three-way pipe is connected with the conveyer pump through the conveyer pipe, the second mouth of pipe of three-way pipe is connected with production system through the conveyer pipe, be equipped with valve A on this conveyer pipe, the third mouth of pipe of three-way pipe is linked together through conveyer pipe and dewatering device's feed inlet, is equipped with valve B on this conveyer pipe, dewatering device's liquid outlet be linked together through conveyer pipe and circulating water pump pond, the delivery port in circulating water pump pond is linked together through conveyer pipe and screening plant and magnetic separation device, dewatering device's discharge gate below be equipped with the ferrosilicon powder storage pond, the discharge opening in ferrosilicon powder storage pond is linked together through conveyer belt and pump pond, realize the ferrosilicon.
Dewatering device be filter or compressor, reduce the ferrosilicon powder moisture content after the edulcoration through dewatering device, moisture content control is below 10%, prevents that the ferrosilicon powder from hardening.
Pump pond in be equipped with agitating unit, agitating unit be rotational speed adjustable agitator, through the thick liquids mixing of agitating unit in with the pump pond, prevent to sink end jam pipeline.
Screening plant be sieve bend and shale shaker, be equipped with the sparge water on the shale shaker screen cloth, will heavily suspend liquid and solid mineral particle separation through screening plant.
Magnetic separation device for cylinder magnet separator, carry out the edulcoration to ferrosilicon powder through the magnet separator.
Valve A, valve B be electromagnetism or pneumatic gate valve, the heavy suspension of accessible valve control returns production system continuous use or carries out the dehydration storage.
Circulating water pump pond and screening plant between the exit of conveyer pipe be equipped with the shower nozzle, the shower nozzle stretches into screening plant's screen cloth top and erodees the thing of oversize, makes ferrosilicon powder liquid erode completely to sifting down.
Circulating water pump pond and magnetic separation device between the exit of conveyer pipe be equipped with the shower nozzle, the shower nozzle is stretched into and is erodeed the ferrosilicon powder of the magnetic separation on the cylinder in the magnetic separation device, supplementary washing away adsorbs the ferrosilicon powder on the cylinder.
The utility model is characterized in that a ferrosilicon powder recycling and circulating component is arranged between the delivery pump and the pump pool, the ferrosilicon powder recycling and circulating component comprises a dehydration device, a circulating water pump pool, a ferrosilicon powder storage pool and a conveying belt, a three-way pipe is connected on the conveying pipe between the delivery pump and the production system, one pipe orifice in the three-way pipe is connected with the delivery pump through the conveying pipe, the second pipe orifice of the three-way pipe is connected with the production system through the conveying pipe, a valve A is arranged on the conveying pipe, the third pipe orifice of the three-way pipe is communicated with a feed inlet of the dehydration device through the conveying pipe, a valve B is arranged on the conveying pipe, a liquid outlet of the dehydration device is communicated with the circulating water pump pool through the conveying pipe, a water outlet of the circulating water pump pool is communicated with the screening device and the magnetic separation device through the conveying pipe, a ferrosilicon powder is arranged below, through controlling valve A and valve B respectively to realize cyclic utilization of ferrosilicon powder, dewatering device be filter or compressor, reduce the ferrosilicon powder moisture content after the edulcoration through dewatering device, moisture content control is below 10%, prevents ferrosilicon powder from hardening, the pump pond in be equipped with agitating unit, agitating unit be rotational speed adjustable agitator, through the thick liquids mixing of agitating unit in with the pump pond, prevent to sink the end and block up the pipeline, screening plant be sieve bend and shale shaker, be equipped with the sparge water on the shale shaker screen cloth, separate heavy suspension and solid mineral granule through screening plant, magnetic separation device be the cylinder magnet separator, carry out the edulcoration to the ferrosilicon powder through the magnet separator, valve A, valve B be electromagnetism or pneumatic gate valve, accessible valve control heavy suspension is returned production system continuous use or is dewatered and is stored, circulating water pump pond and screening plant between the exit of conveyer pipe be equipped with the shower nozzle, the shower nozzle stretches into screening plant's screen cloth top to the thing erodeing oversize, makes ferrosilicon powder liquid erode completely to sifting under, circulating water pump pond and magnetic separation device between the exit of conveyer pipe be equipped with the shower nozzle, the shower nozzle stretches into in the magnetic separation device to erode the ferrosilicon powder of the magnetic separation on the cylinder, supplementary washing out adsorb ferrosilicon powder on the cylinder, have simple structure, easy and simple to handle, retrieve advantages such as effectual.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, a ferrosilicon powder recycling cyclic processing system is equipped with screening plant 1, magnetic separation device 2, impurity ground paste storage pool 3, pump pond 5, delivery pump 6 and conveyer pipe, screening plant 1's undersize discharge gate be linked together through conveyer pipe and magnetic separation device 2's feed inlet, magnetic separation device 2's non-magnetic impurity discharge gate be linked together through conveyer pipe and impurity ground paste storage pool 3, magnetic substance ferrosilicon powder export of magnetic separation device 2 is linked together through the feed inlet of conveyer pipe with pump pond 5, the discharge gate of pump pond 5 is connected through the import of conveyer pipe with delivery pump 6, the export of delivery pump 6 is carried to the production system through the conveyer pipe in, the ferrosilicon powder heavy suspension export that contains the ore granule among the production system be linked together with screening plant 1's feed inlet, its characterized in that be equipped with ferrosilicon powder recycling circulation subassembly between delivery pump and the pump pond 5, the ferrosilicon powder recycling assembly comprises a dewatering device 7, a circulating water pump pool 8, a ferrosilicon powder storage pool 9 and a conveying belt 10, a three-way pipe is connected on a conveying pipe between the conveying pump 6 and a production system, one pipe orifice in the three-way pipe is connected with the conveying pump 6 through the conveying pipe, the second pipe orifice of the three-way pipe is connected with the production system through the conveying pipe, a valve A is arranged on the conveying pipe, the third pipe orifice of the three-way pipe is communicated with a feed inlet of the dewatering device 7 through the conveying pipe, a valve B is arranged on the conveying pipe, a liquid outlet of the dewatering device 7 is communicated with the circulating water pump pool 8 through the conveying pipe, a water outlet of the circulating water pump pool 8 is communicated with a screening device 1 and a magnetic separation device 2 through the conveying pipe, the ferrosilicon powder storage pool 9 is arranged below a discharge port of the dewatering device 7, and, through controlling valve A and valve B respectively to realize cyclic utilization of ferrosilicon powder, dewatering device 7 be filter or compressor, reduce the ferrosilicon powder moisture content after the edulcoration through dewatering device 7, moisture content control is below 10%, prevents that the ferrosilicon powder from hardening, pump pond 5 in be equipped with agitating unit 5, agitating unit 5 be rotational speed adjustable agitator, through agitating unit 5 with the thick liquids mixing in pump pond 5, prevent to sink the end and block up the pipeline, screening plant 1 be sieve bend and shale shaker, be equipped with the sparge water on the shale shaker screen cloth, separate heavy suspension and solid mineral granule through screening plant 1, magnetic separation plant 2 be cylinder magnet separator, carry out the edulcoration to the ferrosilicon powder through the magnet separator, valve A, valve B be electromagnetism or pneumatic gate valve, accessible valve control heavy suspension returns production system continuous use or dewaters the storage, circulating water pump pond 8 and screening plant 1 between the exit of conveyer pipe be equipped with shower nozzle 11, shower nozzle 11 stretches into screening plant 1's screen cloth top to the thing erodeing of oversize, makes ferrosilicon powder liquid erode completely to sifting down, circulating water pump pond 8 and the exit of the conveyer pipe between the magnetic separation device 2 be equipped with shower nozzle 11, shower nozzle 11 stretches into in the magnetic separation device 2 to the ferrosilicon powder of the magnetic separation on the cylinder erode, supplementary washing out the ferrosilicon powder that adsorbs on the cylinder.
The utility model discloses when using, the recovery technology step of this system is as follows: (1) screening: the ferrosilicon powder heavy suspension containing ore particles (the granularity is generally larger than 1 mm) is fed onto a screen of the screening device 1, in order to ensure effective separation of the ore particles and the heavy suspension, the size of a screen hole is designed to be 1mm, and the ferrosilicon powder heavy suspension containing slime impurities (the granularity is smaller than 1 mm) can penetrate through the screen to enter the lower part and is fed into the magnetic separation device 22; (2) removing impurities: the magnetic separation device 2 selects a roller magnetic separator, the ferrosilicon powder with strong magnetism is separated from the polluted heavy suspension, in order to ensure the recovery rate and the processing capacity of the ferrosilicon powder, the magnetic field intensity of the magnetic separator is not lower than 1000Oe, and the rotating speed of the magnetic roller is not lower than 20 r/min. (3) Pulping and recycling heavy suspension liquid: the bottom of the pump pool 5 has a slope of 5-10 deg. inclined towards the discharge opening to assist the flow of the heavy suspension. The stirring device 5 has a speed regulation function, the stirring speed can be regulated according to the concentration of the heavy suspension liquid, the uniform flow of the heavy suspension liquid is ensured, when the production system normally operates, the valve A is opened, the valve B is closed, and the heavy suspension liquid returns to the production system through the delivery pump 6 for recycling; (4) dehydrating the resuspension solution and recovering filtrate: when the system needs to be stopped for maintenance or emergency stop due to failure or other reasons, the valve A is closed, the valve B is opened, the heavy suspension in the pump pool 5 is fed into the dehydration device 7 through the delivery pump 6, the moisture of the dry ferrosilicon powder discharged by the dehydration device 7 is controlled within 10 percent, the dry stack is convenient to prevent the ferrosilicon powder from hardening, the filtrate is circulating water and returns to the screening device 1 and the magnetic separation device 2 through the circulating water pump pool 8 for reutilization; (5) storing and recycling dry ferrosilicon powder: the dry ferrosilicon powder discharged by the dehydration device 7 falls into the ferrosilicon powder storage pool 9 under the action of gravity, the discharge opening is arranged below the ferrosilicon powder storage pool 9, the conveyer belt 10 is arranged below the discharge opening, the stored dry ferrosilicon powder is conveniently fed into the pump pool 5 for slurry mixing and recycling, the ferrosilicon powder recycling assembly is arranged between the conveyer pump and the pump pool 5, the ferrosilicon powder recycling assembly consists of the dehydration device 7, the circulating water pump pool 8, the ferrosilicon powder storage pool 9 and the conveyer belt 10, the conveyer pipe between the conveyer pump 6 and the production system is connected with a three-way pipe, one pipe opening of the three-way pipe is connected with the conveyer pump 6 through the conveyer pipe, the second pipe opening of the three-way pipe is connected with the production system through the conveyer pipe, the conveyer pipe is provided with a valve A, and the third pipe opening of the three-way pipe is communicated with the feed inlet of the dehydration, be equipped with valve B on this conveyer pipe, dewatering device 7's liquid outlet be linked together through conveyer pipe and circulating water pump pond 8, the delivery port of circulating water pump pond 8 is linked together through conveyer pipe and screening plant 1 and magnetic separation device 2, dewatering device 7's discharge gate below be equipped with ferrosilicon powder storage pool 9, the discharge opening of ferrosilicon powder storage pool 9 is linked together through conveyer belt 10 and pump pond 5, through controlling valve A and valve B respectively realize the cyclic utilization of ferrosilicon powder, dewatering device 7 be filter or compressor, reduce the ferrosilicon powder moisture content after the edulcoration through dewatering device 7, moisture content control is below 10%, prevents that the ferrosilicon powder from hardening, pump pond 5 in be equipped with agitating unit 5, agitating unit 5 be rotational speed adjustable agitator, through agitating unit 5 with the thick liquids mixing in the pump pond 5, prevent to sink the end and block up the pipeline, screening plant 1 be sieve bend and shale shaker, be equipped with the sparge water on the shale shaker screen cloth, separate heavy suspension and solid mineral granule through screening plant 1, magnetic separation device 2 be cylinder magnet separator, carry out the edulcoration to silicon iron powder through the magnet separator, valve A, valve B be electromagnetism or pneumatic gate valve, accessible valve control heavy suspension is that to return production system continuous use or to dewater the storage, circulating water pump pond 8 and the exit of the conveyer pipe between screening plant 1 be equipped with shower nozzle 11, shower nozzle 11 stretches into screening plant 1's screen cloth top and erodees the thing of oversize, makes silicon iron powder liquid erode completely to sifting down, circulating water pump pond 8 and the exit of conveyer pipe between the magnetic separation device 2 be equipped with shower nozzle 11, shower nozzle 11 stretches into in the magnetic separation device 2 and erodees the silicon iron powder of the magnetic separation on the cylinder, supplementary erodeing the silicon iron powder that adsorbs on the cylinder, have simple structure, Simple operation, good recovery effect and the like.

Claims (8)

1. The utility model provides a ferrosilicon powder is retrieved and is recycled cyclic processing system, is equipped with screening plant, magnetic separation device, impurity ground paste storage pool, pump pond, delivery pump and conveyer pipe, screening plant's sieve discharge gate under sieve be linked together through the feed inlet of conveyer pipe with the magnetic separation device, the non-magnetic impurity discharge gate of magnetic separation device be linked together through conveyer pipe and impurity ground paste storage pool, the magnetic substance ferrosilicon powder export of magnetic separation device is linked together through the feed inlet of conveyer pipe with the pump pond, the discharge gate in pump pond is connected through the import of conveyer pipe with the delivery pump, the export of delivery pump is carried to the production system in through the conveyer pipe, the production system in the ferrosilicon powder heavy suspension export that contains the ore granule be linked together with screening plant's feed inlet, its characterized in that delivery pump and pump pond between be equipped with ferrosilicon powder recovery circulation subassembly, ferrosilicon powder recovery circulation subassembly, Circulating water pump pond, ferrosilicon powder storage pond, conveyer belt are constituteed, conveyer pump and production system between the conveyer pipe on connect the three-way pipe, a mouth of pipe in the three-way pipe is connected with the conveyer pump through the conveyer pipe, the second mouth of pipe of three-way pipe is connected with production system through the conveyer pipe, be equipped with valve A on this conveyer pipe, the third mouth of pipe of three-way pipe is linked together through conveyer pipe and dewatering device's feed inlet, is equipped with valve B on this conveyer pipe, dewatering device's liquid outlet be linked together through conveyer pipe and circulating water pump pond, the delivery port in circulating water pump pond is linked together through conveyer pipe and screening plant and magnetic separation device, dewatering device's discharge gate below be equipped with the ferrosilicon powder storage pond, the discharge opening in ferrosilicon powder storage pond is linked together through conveyer belt and pump pond, realize the ferrosilicon.
2. The system of claim 1, wherein the dewatering device is a filter or a compressor, and the water content of the ferrosilicon powder after impurity removal is reduced by the dewatering device.
3. The ferrosilicon powder recycling and recycling system according to claim 1, wherein the pump tank is provided with a stirring device, the stirring device is a stirrer with adjustable rotating speed, and the stirring device is used for uniformly mixing the slurry in the pump tank.
4. The ferrosilicon powder recycling and recycling system according to claim 1, wherein the screening device is a sieve bend and a vibrating screen, washing water is provided on the screen of the vibrating screen, and the heavy suspension is separated from the solid mineral particles by the screening device.
5. The system of claim 1, wherein the magnetic separator is a drum magnetic separator, and impurities are removed from the ferrosilicon powder by the magnetic separator.
6. The system of claim 1, wherein the valves A and B are electromagnetic or pneumatic gate valves, and the valves control whether the heavy suspension is returned to the production system for continuous use or for dewatering and storage.
7. The system of claim 1, wherein a nozzle is disposed at the outlet of the pipe between the circulating water pump and the sieving device, and the nozzle extends into the upper part of the sieve of the sieving device to flush the oversize product, so that the ferrosilicon powder liquid is flushed completely to the lower part of the sieve.
8. The ferrosilicon powder recycling and reusing circular processing system according to claim 1, wherein the outlet of the conveying pipe between the circulating water pump pool and the magnetic separation device is provided with a nozzle, the nozzle extends into the magnetic separation device to wash out the ferrosilicon powder subjected to magnetic separation on the roller, and the ferrosilicon powder adsorbed on the roller is washed out in an auxiliary manner.
CN202020281253.1U 2020-03-10 2020-03-10 Ferrosilicon powder recycling cyclic processing system Active CN211799324U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111135633A (en) * 2020-03-10 2020-05-12 威海市海王科技有限公司 Recycling and recycling treatment system and treatment process for silicon iron powder
CN112642570A (en) * 2020-12-16 2021-04-13 陕西省膜分离技术研究院有限公司 Integrated automatic device and method for crushing, weighing and subpackaging fine chemical products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111135633A (en) * 2020-03-10 2020-05-12 威海市海王科技有限公司 Recycling and recycling treatment system and treatment process for silicon iron powder
CN111135633B (en) * 2020-03-10 2023-09-22 威海市海王科技有限公司 Ferrosilicon powder recycling treatment system and treatment process
CN112642570A (en) * 2020-12-16 2021-04-13 陕西省膜分离技术研究院有限公司 Integrated automatic device and method for crushing, weighing and subpackaging fine chemical products
CN112642570B (en) * 2020-12-16 2023-11-10 陕西省膜分离技术研究院有限公司 Automatic device and method for crushing, weighing and split charging integration of fine chemical products

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