CN203342395U - Novel spray drying machine for heat-sensitive material - Google Patents

Novel spray drying machine for heat-sensitive material Download PDF

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Publication number
CN203342395U
CN203342395U CN 201320277845 CN201320277845U CN203342395U CN 203342395 U CN203342395 U CN 203342395U CN 201320277845 CN201320277845 CN 201320277845 CN 201320277845 U CN201320277845 U CN 201320277845U CN 203342395 U CN203342395 U CN 203342395U
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CN
China
Prior art keywords
air
drying
pipeline
filter
cooling
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Expired - Fee Related
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CN 201320277845
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Chinese (zh)
Inventor
邓国正
徐文学
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WUXI CHANGSHENG DRIER FACTORY
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WUXI CHANGSHENG DRIER FACTORY
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Abstract

The utility model provides a novel spray drying machine for a heat-sensitive material. The novel spray drying machine comprises a drying system, a dehumidifying air-conveying cooling system, an air curtain cooling system, a cold air jacket system and a cleaning system, wherein the dehumidifying air-conveying cooling system, the air curtain cooling system, the cold air jacket system and the cleaning system are connected with the drying system, and the drying system comprises a drying host machine, a charging bucket, a screw pump, a purified water tank, an atomizer, a filtering device, a heating device, a blower device, a cyclone device and a water film dust remover. With the adoption of the spray drying machine for the heat-sensitive material, the heat-sensitive material is dried into powder at the high temperature, cooled at the low temperature, captured and received once, so that the quality of a finished product is high, the yield is high, steps of recooling, smashing and the like are omitted, costs and workers are saved, and further, the secondary pollution of dry powder is avoided.

Description

A kind of novel thermosensitive material spray drying machine
Technical field
The utility model relates to mechanical field, is specifically related to a kind of novel thermosensitive material spray drying machine.
Background technology
Spray-drying is a kind of drier that solution shape material spray is dried to powder, in the whole drying tower of conventional dryer, is all dry high-temperature region.But heat sensitive material (Chinese medical concrete as high as sugar content, yeast extract, culture propagation waste liquid, FOS etc.) is though can be dried to powder, but the dry powder surface can be because high temperature becomes the glass melting shape, inter-adhesive being bonded in the tower wall (particularly boring at the end), become in flakes piece, the easy carbonization variable color had, the cooling rear as hard as flint had, need labor cleaning's rear sub-cooled pulverization process of getting off just can reach powder product, cause that dry product yield is low, loss is large, the effort of taking a lot of work increases again process cost.So the spray-drying of heat sensitive material is a generally acknowledged dry difficult problem always.
The utility model content
The technical problems to be solved in the utility model is to overcome existing defect, a kind of novel thermosensitive material spray drying machine is provided, allow heat sensitive material become powder, sub-cooled and the trapping rewinding is disposable completes from high temperature drying, quality of finished is high, yield is high, omit the links such as sub-cooled pulverizing again, avoided dry powder secondary pollution chance.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
The utility model provides a kind of novel thermosensitive material spray drying machine, comprises drying system, dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system, dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system all are connected in drying system, and drying system comprises main drying, batch can, screw pump, the pure water tank, atomizer, filter, heater, blower fan apparatus, cyclone and water dust scrubber, between batch can and pure water tank, by screw pump, be connected, screw pump is connected in the atomizer on main drying top by pipeline, described atomizer in tower by the feed liquid atomization, described air filter comprises that junior middle school imitates filter and high efficiency particulate air filter, described heater comprises steam heater and electric heater, and described blower fan apparatus comprises pressure fan and air-introduced machine, and imitate the direction that filter enters along air and connects successively pressure fan described junior middle school, steam heater, electric heater, high efficiency particulate air filter and spiral case hot-air distributor, described high efficiency particulate air filter is connected in main drying top spiral case hot-air distributor, described cyclone comprises one-level whirlwind and secondary whirlwind, described one-level whirlwind connects the secondary whirlwind, described secondary whirlwind connects air-introduced machine by pipeline, and described air-introduced machine is connected in water dust scrubber.
Further, the air curtain cooling system comprises that junior middle school imitates filter, air curtain air blast, high efficiency particulate air filter and pipeline (containing air register), imitate filter and connect the air curtain air blast junior middle school, the air curtain air blast connects high efficiency particulate air filter, and high efficiency particulate air filter is connected to main drying straight bucket top air curtain mouth and the straight bucket of main drying lower end air curtain mouth by pipeline (containing air register).
Further, cold wind chuck system comprises a chuck blower fan, pipeline, cold wind chuck and equal solar or lunar halo, the entrance point connecting pipe of chuck blower fan, and pipeline connects the cold wind chuck.
Further, dehumidifying wind wind send cooling system to comprise cooled dehumidifier unit, air blast, pipeline, swirl valve, two flap valves, the backflow blower fan, rewinding whirlwind and rewinding bucket, cooled dehumidifier unit is arranged at junior middle school in the air curtain cooling system and imitates between filter and air blast, swirl valve is arranged at the exit of main drying lower end, two flap valves lay respectively at one-level whirlwind and secondary whirlwind lower end, dehumidifier, air blast, swirl valve, two flap valves, the rewinding whirly is connected with the backflow blower and pipeline, in backflow fan outlet pipeline access tower, the bottom of rewinding whirly connects the rewinding bucket.
Further, purging system comprises rotating wash bowl, spray head, surge tank, circulating pump, scavenging pump, the warm water tank, buck tank and clean water tank, spray head is arranged at respectively air-introduced machine, pipeline, the top of one-level whirlwind and secondary whirlwind, rotating wash bowl is arranged in main drying and is connected with the pipe blow-through system by pipeline, at the bottom of tower, minimum point and whirlwind lower channel minimum point are by water return pipeline and butterfly valve, with surge tank, be connected, the surge tank lower end is connected with circulating pump, circulating pump is by pipeline and warm water tank, the buck tank, clean water tank connects, the warm water tank, the buck tank, the outlet of clean water tank lower end is connected to scavenging pump by pipeline valve, scavenging pump is received each road cleaning head and Ta Nei rotating wash bowl by scavenge pipe.
Further, main drying is the cone-shaped of handstand.
Further, main drying is divided into epimere heated-air drying district, stage casing wind outlet area and hypomere cooling zone.
Further, main drying tower body, pipeline and cyclone separator are automatically to clean.
A kind of novel thermosensitive material spray of the utility model drying machine, allow heat sensitive material become powder, sub-cooled and the trapping rewinding is disposable completes from high temperature drying, quality of finished is high, yield is high, the links such as cooling crush have been omitted again, provide cost savings and personnel, and avoided dry powder secondary pollution chance.
The accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms the part of specification, with embodiment mono-of the present utility model, is used from explanation the utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the process chart of a kind of novel thermosensitive material spray of the utility model drying machine.
The specific embodiment
As shown in Figure 1, the utility model discloses a kind of novel thermosensitive material spray drying machine, comprises drying system, dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system, dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system all are connected in drying system, and drying system comprises main drying 11, batch can 12, screw pump 13, pure water tank 14, atomizer 15, filter, heater, blower fan apparatus, cyclone and water dust scrubber 20, main drying 11 is the cone-shaped of handstand, between batch can 12 and pure water tank 14, by screw pump 13, be connected, screw pump 13 is connected in the atomizer 15 on main drying 11 tops by pipeline, atomizer 15 is connected with main drying 11 lower end outlets by pipeline, filter comprises that junior middle school imitates filter 161 and high efficiency particulate air filter 162, heater comprises steam heater 171 and electric heater 172, blower fan apparatus comprises pressure fan 181 and air-introduced machine 182, and imitate the direction that filter 161 enters along air and connects successively pressure fan 181 junior middle school, steam heater 171, electric heater 172 and high efficiency particulate air filter 162, high efficiency particulate air filter 162 is connected in the hot orchestration of spiral case on main drying 11 tops, cyclone comprises one-level whirlwind 191 and secondary whirlwind 192, one-level whirlwind 191 connects secondary whirlwind 192, secondary whirlwind 192 connects air-introduced machine 182 by pipeline, and air-introduced machine 182 is connected in water dust scrubber 20.The air curtain cooling system comprises that junior middle school imitates filter 21, air curtain air blast 22, high efficiency particulate air filter 23 and air register 24, imitate filter 21 and connect air curtain air blast 22 junior middle school, air curtain air blast 22 connects high efficiency particulate air filter 23, high efficiency particulate air filter 23 is connected to 11 straight barrels of top air curtains of main drying by air register 24, and high efficiency particulate air filter 23 also is connected to 11 straight barrels of lower end air curtain mouths of main drying by pipeline.Cold wind chuck system comprises the cold wind chuck between a chuck blower fan 31 and drying air fan 11 Inner buckets and outsourcing, and an end of chuck blower fan 31 connects drying air fan 11 top cold wind JOs, and filter 161 is imitated in the junior middle school that the other end connects in drying system.Dehumidifying wind wind send cooling system to comprise cooled dehumidifier unit 41, swirl valve 42, two flap valves 43, backflow blower fan 44, rewinding whirly 45 and rewinding bucket 46, cooled dehumidifier unit 41 is arranged at junior middle school in the air curtain cooling system and imitates between filter 21 and air curtain air blast 22, swirl valve 42 is arranged at the exit of main drying 11 lower ends, 2 two flap valves 43 lay respectively at one-level whirlwind 191 and secondary whirlwind 192 lower ends, swirl valve 42 all is connected with 2 two flap valves 43, 2 two flap valves 43 also are connected on rewinding whirlwind 45 by pipeline, the top of rewinding whirlwind 45 connects backflow blower fan 44, the bottom of rewinding whirlwind 45 connects rewinding bucket 46.Purging system comprises rotating wash bowl 51, spray head 52, surge tank 53, circulating pump 54, scavenging pump 55, warm water tank 56, buck tank 57 and washwater tank 58, a plurality of spray heads 52 are arranged at respectively pipeline, air-introduced machine, the top of one-level whirlwind 191 and secondary whirlwind 192, rotating wash bowl 51 is arranged in main drying 11, and by pipe blow-through and a plurality of spray heads 52, scavenge pipe connects scavenging pump, surge tank 53 1 ends are connected with two flap valve 43 lower end outlet pipes, the other end is connected with circulating pump 54, circulating pump 54 is by pipeline and warm water tank 56, buck tank 57, washwater tank 58 connects, warm water tank 56, 58 times outlets of buck tank 57 and washwater tank are connected to scavenging pump 55 with pipeline valve, scavenging pump 55 is received on each road spray head 52 and the interior rotating wash bowl 51 of main drying 11 by scavenge pipe.
A kind of novel thermosensitive material spray of the utility model drying machine, its technological process is:
Filter 161 filtrations are imitated in the junior middle school of air in drying system, after sending into steam heater 171 and electric heater 172 heating by pressure fan 181 outlets, enter into high efficiency particulate air filter 162 and filter, and enter into afterwards in main drying 11.
Feed liquid in batch can 12 pumps into pipeline by screw pump 13, arrive in atomizer 15, feed liquid is become to minimum vaporific drop feed liquid main drying 11 is interior, with hot-air stream, contact, moisture evaporates rapidly, become dry powder and hot and humid waste gas, the lower end discharge hole for discharge of dry powder arrival main drying 11 enters in dehumidifying wind blast system swirl valve 42 mostly, the part fine powder enters cyclone separator with hot and humid air, separate with secondary cyclone 192 by primary cyclone 191, also entered in dehumidifying wind blast system pipeline by two flap valve 43 dischargings.From secondary whirlwind 192, hot and humid waste gas out is drawn out to water dust scrubber 20 by air-introduced machine 182, after purifying by water film dedusting, waste gas is discharged.
Imitate filter and filter 21 and filter the junior middle school of air before by dehumidifier, entering cooled dehumidifier unit 41 is dehumidified, be blown in high efficiency particulate air filter 23 and filter by air curtain air blast 22 again, then be divided into three tunnels by pipeline, the air curtain mouth of the straight bucket top and bottom of main drying 11 is led in its Zhong Second Road, coolingly with the straight bucket of main drying 11, with the cone inwall, contacts dry powder, makes dry powder because of hot mastication, not glue wall, can smooth discharging, the air curtain air force can be regulated by air register 24; Third Road connects the dehumidifying wind blast system except clammy dry-air blast, be connected to swirl valve 42 air inlets at the discharging opening place, lower end of main drying 11 by air delivery pipe, the lower end discharging opening dry powder out of main drying 11 being separated to lower pair of flap valve 43 dry powder out with secondary cyclone 192 with primary cyclone 191 carries out cooling, wind is delivered to rewinding whirly 45 simultaneously, enter 46 rewindings of rewinding bucket, from rewinding whirly 45, the air-supply of wind out sends in tower by backflow blower fan 44 dry powder that falls in cooling tower.Ventilating air cool drying main frame 11 Inner bucket walls in cold wind chuck in main drying 11, make Inner bucket wall keep the non-caked dry powder of lower temperature, imitate in filter 161 junior middle school that chuck blower fan 31 is delivered to the drying machine main air inlet by the extraction of the hot blast in the cold wind chuck, as dry wind, enter in tower, take full advantage of chuck wind-heat amount, reduce energy consumption.
After spray-drying finishes, main drying 11, primary cyclone 191, secondary cyclone 192, two flap valve 43, pipeline 52, swirl valve 42 and air-introduced machine 182 will clean up.Warm water tank 56, buck tank 57 are connected to scavenging pump 55 with the water in clean water tank 58 by pipeline valve, scavenging pump 55 pumps into the water pressurization in pipe blow-through, cleaning by multichannel cleaning head and 51 pairs of dryer system multi-rounds of the interior rotating wash bowl of main drying 11, reach the purpose cleaned up.Clean backwater in surge tank 53, be pumped back to respectively in warm water tank 56, buck tank 57 and clean water tank 58 by circulating pump 54, reach the purpose that recycles water saving.After having cleaned, whole flow process finishes.
A kind of novel thermosensitive material spray of the utility model drying machine, the function of each system is as follows:
Cold wind chuck system: the inner barrel wall of main drying 11 is forced cooling, made powder should not glue wall.
Main drying 11 minutes straight bucket dryer section and cone cooling section: the pattern that the break the normal procedure straight bucket of main drying 11 and cone complete machine are the heated-air drying district, make main drying 11 set up epimere heated-air drying district, stage casing wind outlet area and hypomere cooling zone separately, be equipped with suitable main frame diameter, air curtain cooling system and cold wind chuck system, heat sensitive material is cooled to below melt temperature point afterwards in the short time drying at once, dried dry powder directly falls into the cooling section cooling discharging, does not glue wall, does not lump.
The air curtain cooling system: the position of easily piling up material at main drying 11 arranges ring wind air curtain, forces to purge cooling powder, makes that it is not piled up, easily discharging.
Dehumidifying wind wind send cooling system: material out all enters the cold wind blast system at the bottom of drying tower and at the bottom of whirlwind, rapid, thorough cooling dry powder, and be transported to clean room and a bit concentrate rewinding.Wind after the rewinding cooling dry powder of cooling section in tower of blowing back guarantees that the tail powder reclaims again simultaneously.
Discharge method: master's rewinding at the bottom of the employing tower, the rewinding of series connection whirlwind secondary, three grades of rewindings of water film dedusting, before the raising water film dedusting, capture rate >=95% of dry powder, also improve total capture rate and reach 99% simultaneously.
Water dust scrubber 20: main drying 11 air-out, by the wet trapping tail of water dust scrubber 20 powder, are discharged after udst separation.
This main drying 11 has solved the difficult problem of the disposable spraying drying powder-forming of heat sensitive material; the continuous drying time is long, and (conventional dryer needs the clear tower of the shutdown of discontinuity; then operation is dry again), output is high, and the one-pass finished rate is high; the color and luster of finished product, quality all are better than the product of conventional dryer; omit the operation of pulverizing again after the conventional dryer drying, saved cost and personnel, avoided the secondary pollution of finished product; greatly reduce labour intensity, avoided the clear tower work of conventional dryer able-bodied labour.The product energy primary drying that makes some conventional dryer can not be dried to powder becomes powder, to the user, brings considerable economic benefit, successively in FOS industry, yeast industry and Chinese herbal medicine industry successful Application, is subject to user's consistent favorable comment.
The foregoing is only the preferred case study on implementation of the utility model drying machine, be not limited to the utility model patented technology.Although with reference to previous embodiment, the utility model technology is had been described in detail, for the technical staff of our factory, its technical scheme that still can put down in writing aforementioned each embodiment is improved, or part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in the protection domain of the utility model technology.

Claims (8)

1. a novel thermosensitive material spray drying machine, comprise drying system, dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system is characterized in that: described dehumidifying wind wind send cooling system, the air curtain cooling system, cold wind chuck system and purging system all are connected in drying system, and described drying system comprises main drying, batch can, screw pump, the pure water tank, atomizer, filter, heater, blower fan apparatus, cyclone and water dust scrubber, between described batch can and pure water tank, by screw pump, be connected, described screw pump is connected in the atomizer on main drying top by pipeline, described atomizer in tower by the feed liquid atomization, described filter comprises that junior middle school imitates filter and high efficiency particulate air filter, described heater comprises steam heater and electric heater, and described blower fan apparatus comprises pressure fan and air-introduced machine, and imitate the direction that filter enters along air and connects successively pressure fan described junior middle school, steam heater, electric heater, high efficiency particulate air filter and spiral case hot-air distributor, described high efficiency particulate air filter is connected in main drying top spiral case hot-air distributor, described cyclone comprises one-level whirlwind and secondary whirlwind, described one-level whirlwind connects the secondary whirlwind, described secondary whirlwind connects air-introduced machine by pipeline, and described air-introduced machine is connected in water dust scrubber.
2. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described air curtain cooling system comprises that junior middle school imitates filter, air curtain air blast, high efficiency particulate air filter and airduct, imitate filter and connect the air curtain air blast junior middle school, the air curtain air blast connects high efficiency particulate air filter, high efficiency particulate air filter is connected to the cooling air curtain mouth in main drying straight bucket top by airduct, and high efficiency particulate air filter also is connected to the cooling air curtain mouth in main drying straight bucket lower end by pipeline.
3. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described cold wind chuck system comprises a chuck blower fan, pipeline, cold wind chuck and equal solar or lunar halo, the entrance point connecting pipe of chuck blower fan, pipeline connects the cold wind chuck.
4. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described dehumidifying wind wind send cooling system to comprise cooled dehumidifier unit, air blast, pipeline, swirl valve, two flap valves, the backflow blower fan, rewinding whirlwind and rewinding bucket, cooled dehumidifier unit is arranged at junior middle school in the air curtain cooling system and imitates between filter and air blast, swirl valve is arranged at the exit of main drying lower end, two flap valves lay respectively at one-level whirlwind and secondary whirlwind lower end, dehumidifier, air blast, swirl valve, two flap valves, the rewinding whirly is connected with the backflow blower and pipeline, in backflow fan outlet pipeline access tower, the bottom of rewinding whirly connects the rewinding bucket.
5. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described purging system comprises rotating wash bowl, spray head, dashpot, circulating pump, scavenging pump, the warm water tank, buck tank and clean water tank, spray head is arranged at respectively air-introduced machine, pipeline, the top of one-level whirlwind and secondary whirlwind, rotating wash bowl is arranged in main drying and is connected with the pipe blow-through system by pipeline, at the bottom of tower, minimum point and whirlwind lower channel minimum point are by water return pipeline and butterfly valve, with surge tank, be connected, the surge tank lower end is connected with circulating pump, circulating pump is by pipeline and warm water tank, the buck tank, clean water tank connects, the warm water tank, the buck tank, the outlet of clean water tank lower end is connected to scavenging pump by pipeline valve, scavenging pump is received each road cleaning head and Ta Nei rotating wash bowl by scavenge pipe.
6. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described main drying is the cone-shaped of handstand.
7. a kind of novel thermosensitive material spray drying machine according to claim 1, it is characterized in that: described main drying is divided into epimere heated-air drying district, stage casing wind outlet area and hypomere cooling zone.
8. a kind of novel thermosensitive material spray drying machine according to claim 1 is characterized in that: described main drying tower body, pipeline and cyclone separator are for automatically cleaning.
CN 201320277845 2013-05-20 2013-05-20 Novel spray drying machine for heat-sensitive material Expired - Fee Related CN203342395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320277845 CN203342395U (en) 2013-05-20 2013-05-20 Novel spray drying machine for heat-sensitive material

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Application Number Priority Date Filing Date Title
CN 201320277845 CN203342395U (en) 2013-05-20 2013-05-20 Novel spray drying machine for heat-sensitive material

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498258A (en) * 2015-12-31 2016-04-20 山东金朗生物科技有限公司 Spray drying system
CN109395424A (en) * 2018-10-30 2019-03-01 焦作中维特品药业股份有限公司 A kind of povidone drying system and drying means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498258A (en) * 2015-12-31 2016-04-20 山东金朗生物科技有限公司 Spray drying system
CN109395424A (en) * 2018-10-30 2019-03-01 焦作中维特品药业股份有限公司 A kind of povidone drying system and drying means
CN109395424B (en) * 2018-10-30 2020-10-09 焦作中维特品药业股份有限公司 Povidone drying system and drying method

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Granted publication date: 20131218

Termination date: 20150520

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