CN109019700B - Feed-grade ferrous sulfate production system and production method - Google Patents
Feed-grade ferrous sulfate production system and production method Download PDFInfo
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Abstract
The patent relates to the technical field of ferrous sulfate production devices, in particular to a feed-grade ferrous sulfate production system and a production method. Including adding the feed bin, the discharge gate that adds the feed bin is connected with the feed inlet of desiccator, the discharge gate of desiccator passes through pipeline and is connected with the feed inlet of storage silo, the discharge gate of storage silo passes through negative pressure pipeline and is connected with the feed inlet of whirl dryer, the discharge gate of whirl dryer is connected with the feed inlet of heat sink, the discharge gate of heat sink is connected with packagine machine's feed inlet. The feed-grade ferrous sulfate production system provided by the invention can prevent dust from flying by utilizing negative pressure conveying, and is also provided with the excess material recovery device, so that the product falling on the bottom of the bin can be recovered and thrown into the dryer through a pipeline, and is dried again for recycling, thereby saving materials and reducing the production cost.
Description
Technical Field
The patent relates to the technical field of ferrous sulfate production devices, in particular to a feed-grade ferrous sulfate production system and a production method.
Background
Ferrous sulfate monohydrate acts as a supplement to iron in feed, and it serves the following functions in feed: iron is one of the trace elements essential to animals, is a component of hemoglobin and myoglobin, cytochrome A and certain respiratory enzymes, and is involved in the processes of oxygen and carbon dioxide transport, exchange and tissue respiration in vivo, is related to formation and maturation of erythrocytes, and enters erythroblasts in hematopoietic tissues of bone marrow, combines with porphyrin to form methemoglobin, which in turn synthesizes hemoglobin with globulin.
The feed-grade ferrous sulfate production device in the prior art has the following defects: (1) in the drying process, ferrous sulfate dried by a dryer enters a storage bin, and then enters a vertical cyclone dryer of the next process under the action of negative pressure, part of ferrous sulfate falls on the bottom of the storage bin in the material conveying process, and the residual materials falling on the bottom are directly wasted, so that the material waste is caused, and the production cost is increased; (2) in the prior art, the product is directly produced by the dryer, the temperature of the product is overhigh, the particles are not uniform, and the time for naturally cooling the product after discharging is overlong, so that the discharging efficiency of the product is influenced; (3) when the dryer is used, the temperature of hot air is difficult to control, the production quality is influenced, the waste gas discharged after drying contains impurities such as dust, the waste gas in the prior art is directly discharged to pollute the air, the temperature of the waste gas discharged after drying is higher, the waste gas in the prior art is directly discharged, the waste heat is not fully utilized, and the resource waste is caused; (4) the water vapor and other dust discharged after drying are emptied or enter the bag-type dust remover through the draught fan, but when the bag-type dust remover is used for removing dust, because the surface holes of the bag-type dust remover are very fine and easy to block, the thicknesses of the adsorbed dust on the bag are inconsistent, the dust removal effect is influenced, and the dust is not thoroughly removed during dust removal.
Disclosure of Invention
In order to solve the problems in the prior art, the invention discloses a feed-grade ferrous sulfate production system. The specific technical scheme of this patent is as follows:
the utility model provides a feed level ferrous sulfate production system, is including adding the feed bin, the discharge gate that adds the feed bin is connected with the feed inlet of desiccator, the discharge gate of desiccator passes through pipeline and is connected with the feed inlet of storage silo, the discharge gate of storage silo passes through negative pressure pipeline and is connected with the feed inlet of whirl dryer, utilizes negative-pressure air fan to make the power supply, takes out storage silo and negative pressure pipeline into certain vacuum state, and the air intake forms the two-phase flow of material powder granule material and gas under the effect of atmospheric pressure, inputs cyclone through pipeline. The discharge gate of whirl desicator is connected with the feed inlet of heat sink, the discharge gate of heat sink is connected with the feed inlet of packagine machine.
The bottom of the storage bin is provided with a residual material recycling port, the residual material recycling port is connected with a feeding port of the dryer through a residual material recycling pipeline, and a compressed air inlet is formed in the residual material recycling pipeline; after the materials in the storage bin enter the cyclone dryer, the valve at the discharge port of the storage bin is closed, the products falling to the bottom of the bin are recycled and thrown into the dryer through the pipeline, and the products are dried again, recycled and saved.
All be provided with the evacuation mouth on reinforced bin and the negative pressure pipeline, the evacuation mouth is connected with negative-pressure air fan, negative-pressure air fan's gas outlet passes through the pipeline and is connected with air storage tank, air storage tank's gas outlet pass through the pipeline respectively with clout recovery pipeline, storage silo and add the compressed air inlet connection on the reinforced bin. And storing the air with certain pressure discharged from the air outlet of the negative pressure fan in an air storage tank. After the material in the storage silo gets into in the whirl desicator, close the valve of storage silo discharge gate department, then let in malleation air, impress the material of storage silo bottom in the clout recovery pipeline through the clout recovery mouth of pipe, then let in the clout recovery pipeline with malleation air in, blow the material to the feed inlet of desiccator. During feeding in raw material, utilize negative-pressure air fan to pump into the storehouse into vacuum earlier, then close the valve of adding storehouse evacuation mouth department, then the material in the raw materials storage tank gets into under the effect of negative pressure and adds the feed bin, can prevent that the dust from scattering, opens the compressed air inlet department valve on adding the feed bin, makes the malleation air admission in the air storage tank add the feed bin, makes the material that adds in the feed bin get into the desiccator, prevents effectively that the dust from scattering.
Preferably, the bottom of the storage bin is provided with a vibrator, the bottom of the storage bin is arranged to be in an inverted cone shape, so that materials can more easily enter the excess material recovery pipeline through the excess material recovery port, and the bottom materials are convenient to recover.
As preferred, the heat sink includes storage silo II and stirring storehouse, the stirring storehouse sets up the below at storage silo II, be provided with the cold wind air intake on storage silo II, the cooling of material with higher speed improves the speed of material cooling, and the lower part of storage silo II still is provided with the stirring storehouse in addition, is favorable to the cooling once more of material to with material stirring, the granule of the material that makes to obtain is even, can make the temperature of the product that obtains fall to about 30 ℃ by 80 ℃ in the short time, and it is effectual to cool down, and ejection of compact product granule is even.
Preferably, the stirring bin is conical, a stirring mechanism is arranged in the stirring bin, the stirring mechanism comprises a stirring rod, stirring blades and a motor, the stirring blades are fixedly arranged on the stirring rod, the stirring rod is connected with the motor, the stirring blades are spiral, the spiral blades are provided with multiple layers, and the diameters of the stirring blades are gradually reduced from top to bottom. The spiral stirring blade is used, so that the stirring effect is good, the cooling of the material is accelerated, the material is uniformly mixed, and the material discharging particles are uniform.
Preferably, the dryer comprises a dryer body, the dryer body is provided with an air inlet, an air outlet and a feed inlet, the air inlet is connected with an exhaust port of the combustion chamber through a hot air pipeline, the hot air pipeline is provided with a temperature controller, the temperature of hot air can be controlled according to actual production requirements, a fan is arranged between the hot air pipeline and the exhaust port of the combustion chamber, and one end of the combustion chamber is provided with a burner; the gas outlet of desiccator body is passed through exhaust duct and is connected with the air inlet of sack cleaner, the gas outlet of sack cleaner passes through the pipeline and is connected with the air inlet of heat exchanger, the gas outlet of heat exchanger passes through the pipeline and is connected with the evacuation pipeline, and the dust in the waste gas can be detached to the sack cleaner, avoids the polluted environment, and the heat exchanger can make full use of after-drying exhaust waste gas's waste heat.
Preferably, a discharge port at the bottom of the bag-type dust collector is connected with a material collecting bin through a pipeline, and a discharge port of the material collecting bin is connected with a feed port on the dryer body through a material conveying pipeline. The dust materials in the waste gas can be recycled after being collected, and the collected dust materials are sent into the dryer again for drying and then are produced, so that the production cost is saved.
Preferably, a filter screen is arranged at the exhaust port of the combustion chamber, so that impurities generated by combustion can be prevented from entering; the heat exchanger is provided with an external air inlet and an external air outlet, the external air outlet is connected with an air inlet of the combustion chamber through a pipeline, waste gas waste heat is utilized to heat air, and the heated air enters the combustion chamber to be heated again and then enters the dryer body.
Preferably, a dust cleaning device is arranged in the bag-type dust collector and comprises an air injection pipeline, an air injection head and a pulse electromagnetic valve, the air injection pipeline is provided with the air injection head, one end of the air injection pipeline is provided with the pulse electromagnetic valve, and the air injection head is arranged above each bag. The dust removing effect is better, the cleaning efficiency is high, the cloth bag is not easy to block, and the service life of the cloth bag can be prolonged.
The invention also discloses a production method of the feed-grade ferrous sulfate, which specifically comprises the following steps:
(1) closing valves at a feeding port and a discharging port of the feeding bin, opening a valve at a vacuumizing port, vacuumizing the feeding bin to form negative pressure, closing the valve at the vacuumizing port, and opening the valve at the feeding port of the feeding bin to enable the ferrous sulfate heptahydrate material containing free water in the raw material storage tank to enter the feeding bin under the action of the negative pressure; then closing a valve at a feed inlet of the storage bin, and opening a valve at a compressed air inlet and a valve at a discharge outlet on the feeding bin to enable positive pressure air in the air storage tank to enter the feeding bin and enable materials in the feeding bin to enter the dryer;
(2) drying ferrous sulfate heptahydrate materials containing free water in a dryer by utilizing hot air, controlling the temperature at 280 ℃, after the drying is finished, closing a valve at a feed inlet of a storage bin and a compressed air inlet, opening a valve at a vacuumizing port on a discharge outlet and a negative pressure conveying pipeline, vacuumizing the storage bin and the negative pressure conveying pipeline into negative pressure, then closing the valve at the vacuumizing port on the negative pressure conveying pipeline, opening the valve at the feed inlet of the storage bin, enabling the materials in the dryer to enter the storage bin under the action of the negative pressure, and then entering the feed inlet of a cyclone dryer through the negative pressure conveying pipeline;
(3) the material gets into heat sink's storage silo II after the completion of drying in the whirl desicator, opens storage silo II and goes up cold wind air inlet department valve, makes cold wind get into storage silo II and cools off the product, and the product after the cooling gets into in the stirring storehouse, makes the product cool down once more, opens rabbling mechanism and stirs into the even product of granule with the product, and when the product temperature dropped to 30 ℃, opens stirring storehouse discharge gate department valve, makes the product get into packagine machine and packs.
Preferably, in step 2, after the material in the storage bin enters the cyclone dryer, the valves at the feed inlet and the discharge outlet of the storage bin are closed, the valve at the compressed air inlet on the storage bin is opened, so that the positive pressure air in the air storage tank enters the storage bin, so that the storage bin becomes a positive pressure environment, then the valve at the residue recovery port at the bottom of the storage bin is opened, the product falling at the bottom of the bin is thrown into the residue recovery pipeline, the valve at the compressed air inlet on the residue recovery pipeline is opened, so that the positive pressure air in the air storage tank enters, and the residue in the residue recovery pipeline is recovered and thrown into the dryer again.
Advantageous effects
The feed-grade ferrous sulfate production system provided by the invention can prevent dust from flying by utilizing negative pressure conveying, and is also provided with the excess material recovery device, so that the product falling on the bottom of the bin can be recovered and thrown into the dryer through a pipeline, and is dried again for recycling, thereby saving materials and reducing the production cost.
The dryer used by the invention can control the temperature of hot air according to actual production needs, can fully recycle the waste heat of the exhaust gas after drying, can remove dust in the exhaust gas, avoids environmental pollution, can recycle dust materials in the exhaust gas, and saves production cost.
In order to reduce the temperature of the product during discharging, the feed-grade ferrous sulfate production system is characterized in that the storage bin II is provided with an air inlet which is connected with a cold air inlet pipe to accelerate the cooling of the material and improve the speed of cooling the material, and the lower part of the storage bin II is also provided with a stirring bin which is provided with a spiral stirring blade, so that the material can be cooled again, the material can be uniformly stirred, and the obtained material can be uniformly granulated. The equipment has simple structure, can reduce the temperature of the obtained product from 80 ℃ to about 30 ℃ in a short time, has good cooling effect, and ensures that the discharged product has uniform particles.
The bag-type dust collector used in the invention is provided with the dust removing device, so that the dust removing effect is better, the cleaning efficiency is high, the bag is not easy to block, and the service life of the bag can be prolonged.
The feed-grade ferrous sulfate monohydrate is produced by adopting wet-process lysis impurity removal, recrystallization dehydration and stainless steel equipment drying processes, and the product has the characteristics of high content of main elements, good solubility, pure color, no agglomeration, good fluidity, no crushing and no sieving.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
In the figure, 1: add feed bin, 2: dryer body, 3: storage bin, 4: cyclone dryer, 5: cooling device, 6: a packaging machine, 7: excess material recovery pipeline, 8: compressed air intake, 9: vacuum port, 10: negative pressure fan, 11: air storage tank, 12: vibrator, 13: storage bin ii, 14: stirring bin, 15: cold air inlet, 16: hot air duct, 17: combustion chamber, 18: temperature controller, 19: fan, 20: burner, 21: bag-type dust collector, 22: heat exchanger, 23: aggregate bin, 24: filter screen, 25: ambient air inlet, 26: an outside air outlet.
Detailed Description
The technical solution of the present invention is further specifically described below with reference to the following embodiments and accompanying drawings.
Example 1
As shown in fig. 1, a feed-grade ferrous sulfate production system comprises a feeding bin 1, wherein a discharge port of the feeding bin 1 is connected with a feed port of a dryer, a discharge port of the dryer is connected with a feed port of a storage bin 3 through a conveying pipeline, a discharge port of the storage bin is connected with a feed port of a cyclone dryer 4 through a negative pressure conveying pipeline, a discharge port of the cyclone dryer is connected with a feed port of a cooling device 5, and a discharge port of the cooling device is connected with a feed port of a packaging machine 6; the bottom of the storage bin is provided with a residual material recycling port, the residual material recycling port is connected with a feeding port of the dryer through a residual material recycling pipeline 7, and a compressed air inlet 8 is formed in the residual material recycling pipeline; add and all be provided with evacuation mouth 9 on feed bin 1 and the negative pressure pipeline, the evacuation mouth is connected with negative-pressure air fan 10, negative-pressure air fan 10's gas outlet passes through the pipeline and is connected with air storage tank 11, air storage tank 11's gas outlet pass through the pipeline respectively with clout recovery pipeline, storage silo and add the compressed air inlet connection on the feed bin.
The bottom of the storage bin 3 is provided with a vibrator 12, and the bottom of the storage bin is in an inverted cone shape.
The cooling device comprises a storage bin II 13 and a stirring bin 14, the stirring bin is arranged below the storage bin II, and a cold air inlet 15 is formed in the storage bin II. The stirring bin is coniform, be provided with rabbling mechanism in the stirring bin, rabbling mechanism includes puddler, stirring vane and motor, stirring vane is fixed to be set up on the puddler, the puddler is connected with the motor, stirring vane is the heliciform, helical blade sets up the multilayer, stirring vane's diameter is by last to reducing gradually down.
The dryer comprises a dryer body 2, wherein the dryer body 2 is provided with an air inlet, an air outlet and a feed inlet, the air inlet is connected with an exhaust port of a combustion chamber 17 through a hot air pipeline 16, the hot air pipeline 16 is provided with a temperature controller 18, a fan 19 is arranged between the hot air pipeline and the exhaust port of the combustion chamber, and one end of the combustion chamber is provided with a burner 20; the gas outlet of desiccator body is connected with the air inlet of sack cleaner 21 through exhaust duct, the gas outlet of sack cleaner is connected with the air inlet of heat exchanger 22 through the pipeline, the gas outlet of heat exchanger is connected with the evacuation pipeline through the pipeline.
The discharge gate of sack cleaner 21 bottom is connected with collection feed bin 23 through the pipeline, the discharge gate of collection feed bin is connected with the feed inlet on the desiccator body through defeated material pipeline.
A filter screen 24 is arranged at an exhaust port of the combustion chamber; the heat exchanger is provided with an outside air inlet 25 and an outside air outlet 26, which are connected to the air inlet of the combustion chamber via a pipe.
Be provided with ash removal device in the sack cleaner, ash removal device includes jet-propelled pipeline, jet-propelled head and pulse solenoid valve, be provided with the jet-propelled head on the jet-propelled pipeline, the one end of jet-propelled pipeline sets up pulse solenoid valve, every sack top all is provided with the jet-propelled head.
Example 2
A feed-grade ferrous sulfate production method utilizes the feed-grade ferrous sulfate production system of embodiment 1 to produce, and specifically comprises the following steps:
(1) closing valves at a feeding port and a discharging port of the feeding bin, opening a valve at a vacuumizing port, vacuumizing the feeding bin to form negative pressure, closing the valve at the vacuumizing port, and opening the valve at the feeding port of the feeding bin to enable the ferrous sulfate heptahydrate material containing free water in the raw material storage tank to enter the feeding bin under the action of the negative pressure; then closing a valve at a feed inlet of the storage bin, and opening a valve at a compressed air inlet and a valve at a discharge outlet on the feeding bin to enable positive pressure air in the air storage tank to enter the feeding bin and enable materials in the feeding bin to enter the dryer;
(2) drying ferrous sulfate heptahydrate materials containing free water in a dryer by utilizing hot air, controlling the temperature at 280 ℃, after the drying is finished, closing a valve at a feed inlet of a storage bin and a compressed air inlet, opening a valve at a vacuumizing port on a discharge outlet and a negative pressure conveying pipeline, vacuumizing the storage bin and the negative pressure conveying pipeline into negative pressure, then closing the valve at the vacuumizing port on the negative pressure conveying pipeline, opening the valve at the feed inlet of the storage bin, enabling the materials in the dryer to enter the storage bin under the action of the negative pressure, and then entering the feed inlet of a cyclone dryer through the negative pressure conveying pipeline;
(3) the material gets into heat sink's storage silo II after the completion of drying in the whirl desicator, opens storage silo II and goes up cold wind air inlet department valve, makes cold wind get into storage silo II and cools off the product, and the product after the cooling gets into in the stirring storehouse, makes the product cool down once more, opens rabbling mechanism and stirs into the even product of granule with the product, and when the product temperature dropped to 30 ℃, opens stirring storehouse discharge gate department valve, makes the product get into packagine machine and packs.
In step 2, after the materials in the storage bin enter the cyclone dryer, the valve at the feed inlet and the discharge outlet of the storage bin is closed, the valve at the compressed air inlet on the storage bin is opened, so that the positive pressure air in the air storage tank enters the storage bin, so that a positive pressure environment is formed in the storage bin, then the valve at the residue recovery port at the bottom of the storage bin is opened, the products falling at the bottom of the bin are pumped into the residue recovery pipeline, the valve at the compressed air inlet on the residue recovery pipeline is opened, so that the positive pressure air in the air storage tank enters, and the residues in the residue recovery pipeline are recovered again and pumped into the dryer.
The feed-grade ferrous sulfate monohydrate is produced by adopting wet-process solution impurity removal, recrystallization dehydration and stainless steel equipment drying processes, and the product has the characteristics of high content of main elements, good solubility, pure color, no agglomeration, good fluidity, no grinding and no sieving. The product index of the produced ferrous sulfate monohydrate is shown in table 1.
TABLE 1 ferrous sulfate monohydrate product index
| Standard specification | FeSO4·H2O |
| Content/% | ≥98.0 |
| Fe content/%) | ≥30.0 |
| Content of insoluble matter/%) | ≤0.3 |
| Content of As/%) | ≤0.0003 |
| Heavy metal content (in lead)/%) | ≤0.0020 |
| Fineness of 95% pass | 0.2mm |
Claims (9)
1. The utility model provides a feed level ferrous sulfate production system which characterized in that: the device comprises a feeding bin, wherein a discharge port of the feeding bin is connected with a feed inlet of a dryer, a discharge port of the dryer is connected with a feed inlet of a storage bin through a conveying pipeline, a discharge port of the storage bin is connected with a feed inlet of a cyclone dryer through a negative pressure conveying pipeline, a discharge port of the cyclone dryer is connected with a feed inlet of a cooling device, and a discharge port of the cooling device is connected with a feed inlet of a packaging machine; the bottom of the storage bin is provided with a residual material recycling port, the residual material recycling port is connected with a feeding port of the dryer through a residual material recycling pipeline, and compressed air inlets are formed in the residual material recycling pipeline, the storage bin and the feeding bin; all be provided with the evacuation mouth on reinforced bin and the negative pressure pipeline, the evacuation mouth is connected with negative-pressure air fan, negative-pressure air fan's gas outlet passes through the pipeline and is connected with air storage tank, air storage tank's gas outlet pass through the pipeline respectively with clout recovery pipeline, storage silo and add the compressed air inlet connection on the reinforced bin.
2. The feed-grade ferrous sulfate production system of claim 1, wherein: the bottom of the storage bin is provided with a vibrator, and the bottom of the storage bin is arranged to be in an inverted cone shape.
3. The feed-grade ferrous sulfate production system of claim 1, wherein: the cooling device comprises a storage bin II and a stirring bin, the stirring bin is arranged below the storage bin II, and a cold air inlet is formed in the storage bin II.
4. The feed-grade ferrous sulfate production system of claim 3, wherein: the stirring bin is coniform, be provided with rabbling mechanism in the stirring bin, rabbling mechanism includes puddler, stirring vane and motor, stirring vane is fixed to be set up on the puddler, the puddler is connected with the motor, stirring vane is the heliciform, helical blade sets up the multilayer, stirring vane's diameter is by last to reducing gradually down.
5. The feed-grade ferrous sulfate production system of claim 1, wherein: the dryer comprises a dryer body, wherein the dryer body is provided with an air inlet, an air outlet and a feed inlet, the air inlet is connected with an exhaust port of the combustion chamber through a hot air pipeline, the hot air pipeline is provided with a temperature controller, a fan is arranged between the hot air pipeline and the exhaust port of the combustion chamber, and one end of the combustion chamber is provided with a burner; the air outlet of the dryer body is connected with the air inlet of the bag-type dust collector through an exhaust pipeline, the air outlet of the bag-type dust collector is connected with the air inlet of the heat exchanger through a pipeline, and the air outlet of the heat exchanger is connected with an emptying pipeline through a pipeline.
6. The feed-grade ferrous sulfate production system of claim 5, wherein: the discharge gate of sack cleaner bottom is connected with the aggregate bin through the pipeline, the discharge gate of aggregate bin is connected with the feed inlet on the desiccator body through conveying pipeline.
7. The feed-grade ferrous sulfate production system of claim 5, wherein: a filter screen is arranged at an exhaust port of the combustion chamber; the heat exchanger is provided with an external air inlet and an external air outlet, and the external air outlet is connected with an air inlet of the combustion chamber through a pipeline.
8. The feed-grade ferrous sulfate production system of claim 5, wherein: be provided with ash removal device in the sack cleaner, ash removal device includes jet-propelled pipeline, jet-propelled head and pulse solenoid valve, be provided with the jet-propelled head on the jet-propelled pipeline, the one end of jet-propelled pipeline sets up pulse solenoid valve, the sack top all is provided with the jet-propelled head.
9. A production method of feed-grade ferrous sulfate is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) closing valves at a feeding port and a discharging port of the feeding bin, opening a valve at a vacuumizing port, vacuumizing the feeding bin to form negative pressure, closing the valve at the vacuumizing port, and opening the valve at the feeding port of the feeding bin to enable the ferrous sulfate heptahydrate material containing free water in the raw material storage tank to enter the feeding bin under the action of the negative pressure; then closing a valve at a feed inlet of the storage bin, and opening a valve at a compressed air inlet and a valve at a discharge outlet on the feeding bin to enable positive pressure air in the air storage tank to enter the feeding bin and enable materials in the feeding bin to enter the dryer;
(2) drying ferrous sulfate heptahydrate materials containing free water in a dryer by utilizing hot air, controlling the temperature at 280 ℃, after the drying is finished, closing a valve at a feed inlet of a storage bin and a compressed air inlet, opening a valve at a vacuumizing port on a discharge outlet and a negative pressure conveying pipeline, vacuumizing the storage bin and the negative pressure conveying pipeline into negative pressure, then closing the valve at the vacuumizing port on the negative pressure conveying pipeline, opening the valve at the feed inlet of the storage bin, enabling the materials in the dryer to enter the storage bin under the action of the negative pressure, and then entering the feed inlet of a cyclone dryer through the negative pressure conveying pipeline;
after the materials in the storage bin enter the cyclone dryer, closing valves at a feed inlet and a discharge outlet of the storage bin, opening a valve at a compressed air inlet on the storage bin, so that positive pressure air in an air storage tank enters the storage bin, so that the storage bin is in a positive pressure environment, then opening a valve at a residue recovery port at the bottom of the storage bin, pumping the products falling at the bottom of the bin into a residue recovery pipeline, opening the valve at the compressed air inlet on the residue recovery pipeline, so that the positive pressure air in the air storage tank enters, and re-recovering the residues in the residue recovery pipeline and pumping the residues into the dryer;
(3) the material gets into heat sink's storage silo II after the completion of drying in the whirl desicator, opens storage silo II and goes up cold wind air inlet department valve, makes cold wind get into storage silo II and cools off the product, and the product after the cooling gets into in the stirring storehouse, makes the product cool down once more, opens rabbling mechanism and stirs into the even product of granule with the product, and when the product temperature dropped to 30 ℃, opens stirring storehouse discharge gate department valve, makes the product get into packagine machine and packs.
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| CN201811203859.7A CN109019700B (en) | 2018-10-16 | 2018-10-16 | Feed-grade ferrous sulfate production system and production method |
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| CN201811203859.7A CN109019700B (en) | 2018-10-16 | 2018-10-16 | Feed-grade ferrous sulfate production system and production method |
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| CN201545709U (en) * | 2009-10-21 | 2010-08-11 | 攀枝花东方钛业有限公司 | Device for producing feed grade one-hydrate ferrous sulfate |
| CN205102557U (en) * | 2015-11-04 | 2016-03-23 | 广州市富诺生物科技有限公司 | Probiotics powder production facility |
| CN205138084U (en) * | 2015-11-23 | 2016-04-06 | 天津市兽药二厂 | Waste heat reutilization drying system |
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Application publication date: 20181218 Assignee: Shandong jindaheng Biotechnology Co.,Ltd. Assignor: WUDI XINGYA BIOTECH Co.,Ltd. Contract record no.: X2021980008816 Denomination of invention: Feed grade ferrous sulfate production system and production method Granted publication date: 20200728 License type: Common License Record date: 20210902 |
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Denomination of invention: A feed grade ferrous sulfate production system and production method Effective date of registration: 20220706 Granted publication date: 20200728 Pledgee: Qi Shang bank Limited by Share Ltd. Binzhou Wudi branch Pledgor: WUDI XINGYA BIOTECH Co.,Ltd. Registration number: Y2022980009920 |