CN204275522U - A kind of solid catalyst atomization drying system being convenient to clean - Google Patents

A kind of solid catalyst atomization drying system being convenient to clean Download PDF

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Publication number
CN204275522U
CN204275522U CN201420730069.5U CN201420730069U CN204275522U CN 204275522 U CN204275522 U CN 204275522U CN 201420730069 U CN201420730069 U CN 201420730069U CN 204275522 U CN204275522 U CN 204275522U
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China
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tower
drying tower
drying
convenient
waste gas
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CN201420730069.5U
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Chinese (zh)
Inventor
吴敏
周宇红
李伟杰
杨黛
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NANJING WEIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co Ltd
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NANJING WEIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a kind of solid catalyst atomization drying system being convenient to clean, comprise the drying tower of vertical type cylinder body structure, electric high-speed centrifugal atomizer, feeding device, heater, rheumatism cooling device, drawing mechanism, device for recycling exhaust gas, cleaning device and Intelligent control cabinet, electric high-speed centrifugal atomizer is arranged on the top inside center axis of drying tower, feeding device is connected to the charging aperture of drying tower, the front end of heater is provided with air cleaner, drawing mechanism is arranged on bottom drying tower, rheumatism cooling device front end is provided with cooled dehumidifier unit, waste gas is delivered to drying tower tower body outer periphery by waste gas recovery tower by device for recycling exhaust gas, clearing apparatus comprises filtered water tank and revolution clearing apparatus, the whole course of work of Intelligent control cabinet to system carries out centralized automatic control.Whole system control and management is convenient, and drying efficiency is high, good energy-conserving effect, and avoids the pollution that waste gas causes atmospheric environment.

Description

A kind of solid catalyst atomization drying system being convenient to clean
Technical field
The utility model relates to a kind of drying-granulating system, specifically a kind of centrifugal spray drying granulating system produced for solid catalyst drying being convenient to clean.
Background technology
Catalyst has irreplaceable status in modern chemical industry, about has the chemical reaction of 80% relevant with the existence of catalyst.Existing solid catalyst mostly is nanoscale or micron-sized granular powder, and between particle and solution, Presence of an interface tension force, easily produces particle aggregation, causes that catalyst activity is low, catalytic effect is undesirable.Therefore, in the process of Kaolinite Preparation of Catalyst powder, drying is extremely crucial operation.Spraying dry is modal a kind of the dry technology of liquid dried powdered product in chemical engineering industry, its operation principle is: by the method for spraying, material is sprayed into droplet dispersion in hot-air, material and hot-air be and flow, the mode of adverse current or mixed flow contacts with each other, moisture is evaporated rapidly, reaches dry object.Adopt this drying means, the unit operations such as concentrated, filtration, pulverizing can be saved, and drying time short (general drying time is 5 ~ 30s), the active ingredient of dried material is destroyed few, therefore be specially adapted to carry out drying and granulating and forming to solid catalyst, but existing catalyst drying device is carrying out in spray-dired process, the dried material of frequent appearance adheres to the phenomenon on drying tower inwall, because sticky wall material is comparatively difficult to be taken out of drying tower in time, thus adhesion material is caused to burn or the rotten quality affecting catalyst powder; And the waste gas produced in dry run is directly discharged, owing to existing not by the miniature material powder be fully separated in waste gas, therefore waste gas is directly discharged in air and both surrounding environment was impacted, waste heat energy contained in waste gas simultaneously.
Summary of the invention
The utility model is just for the technical problem existed in prior art, a kind of solid catalyst atomization drying system being convenient to clean is provided, the design of this overall system architecture is ingenious, convenient operation and management, effectively prevent the phenomenon that sticky wall occurs dried material in drying tower, not only increase the efficiency of solid catalyst drying, also reach the effect of energy-saving and emission-reduction simultaneously.
To achieve these goals, the technical solution adopted in the utility model is, a kind of solid catalyst atomization drying system being convenient to clean, comprise the drying tower of vertical type cylinder body structure, feeding device, heater, rheumatism cooling device, drawing mechanism, device for recycling exhaust gas, clearing apparatus and Intelligent control cabinet, the top of drying tower is provided with hot-air distributor, and on the top inside center axis of drying tower, electric high-speed centrifugal atomizer is installed, outside drying tower tower body, be provided with a circle lagging casing around tower body, the material pot of described feeding device is connected to the top charging aperture of drying tower by compression pump, and is provided with first cooling by wind device at charging aperture place, for carrying out drying to material slurry, improves the solid content entering slurries in drying tower further, the front end of described heater is provided with air cleaner, and extraneous air is delivered to vapor heat exchanger by pressure fan and added thermosetting hot blast through electric heater after described air cleaner filters, and hot blast enters in drying tower tower after delivering to hot-air distributor by pipeline, described drawing mechanism is arranged on the bottom of drying tower, described drawing mechanism comprises primary separator, second-stage separator, air-introduced machine, splicing groove, the bottom of described primary separator is connected with the top of second-stage separator, described second-stage separator is connected with air-introduced machine, described splicing groove is arranged on the bottom of described second-stage separator, and described rheumatism cooling device is connected to the bottom of described primary separator, described device for recycling exhaust gas comprises aspiration pump, deduster, waste gas recovery tower, micro mist collecting pipe and sealing radiator, described primary separator is connected with aspiration pump air exhaust nozzle, and described air-introduced machine is also connected on exhaust tube, described deduster is connected to the exhaust nozzle of aspiration pump, described waste gas recovery tower is connected with deduster, and the junction of described deduster and waste gas recovery tower is provided with micro mist collecting pipe, described micro mist collecting pipe inserts in described sealing radiator, the hot waste gas of discharging from described waste gas recovery tower delivers to by pipeline the confined space that described drying tower tower body and described lagging casing formed, described clearing apparatus comprises and is arranged on the revolution clearing apparatus bottom drying tower, the filtered water tank being arranged on compression pump front end and the cleaning pipe be arranged in drying tower tower, and the pipeline of described drawing mechanism and device for recycling exhaust gas also offers Butterworth Hatch, the whole course of work of described Intelligent control cabinet to system carries out centralized automatic control.The ingenious practicality of described whole Technical Design, control and management is convenient, on the one hand the waste-gas heat produced in dry run is used fully by device for recycling exhaust gas, not only reduce the pollution that environment is produced, improve the heat utilization ratio of whole system, reach the effect reducing energy consumption and save production cost; On the other hand, the clearing apparatus arranged in system is utilized to clean the equipment of whole system and rinse termly, not only avoid and produce pollution when drying different types of solid catalyst between material, thus improve the purity of product, and extend the service life of devices in system to a certain extent.
Improve as one of the present utility model, on the inwall of described drying tower tower body, be lined with one deck hydrophobic layer.Drying tower tower body is many to be made up of stainless steel, carbon steel or armored concrete, and these materials all have hydrophily, are easily adhered to by wet stock and scab.Therefore even brushing one deck hydrophobic layer on the inwall of tower body, can reduce the probability that spray drying tower scabs effectively.
Improve as one of the present utility model, the outlet at bottom place of described drying tower is provided with cooling blower, the material powder of cooling blower to dry formation in drying tower tentatively cools, then by rheumatism cooling device, thorough dehumidification cooling is carried out to material powder, thus accelerate the cooling velocity of material powder, avoid material powder because of problems such as conglomeration caused by humidity over limit, uniformity differences.The tower body of described drying tower offers visible observation window, is convenient to personnel's working order of electric high-speed centrifugal atomizer nozzle in Real-Time Monitoring drying tower in dry run.
Improve as one of the present utility model, described electric high-speed centrifugal atomizer adopts variable-frequency power sources to power, and carry out VFC, thus the continuous adjustment of rotating speed is carried out according to the feed liquid solid content of dried material, to change the diameter of atomizer nozzle, thus change the size of droplet, reduce the possibility that material glues wall further.In addition, described electric high-speed centrifugal atomizer has the advantages such as high rotating speed, low vibration, high stability, the material feed liquid atomization being is careful and even, makes the heat exchange in drying tower more abundant, thus further shorten drying time and reduce the coefficient of losses of heat energy.
Improve as one of the present utility model, in the front end of described rheumatism cooling device, cooled dehumidifier unit is installed, effectively can reduce the humidity and temperature of the air for dry products, not only shorten the drying time of product, improve drying efficiency, can also ensure that the product produced has good bulk density and the uniformity simultaneously.
Improve as one of the present utility model, described primary separator and second-stage separator all adopt cyclone separator.It is simple that cyclone separator has structure, and long service life, cost is low, separative efficiency advantages of higher.
Relative to prior art, advantage of the present utility model is as follows, 1) overall construction design is ingenious, and disassembly and assembly convenient maintenance and replacement, cost are lower, 2) this system is simple and reliable for structure, easy and simple to handle, and adopt Intelligent control cabinet to carry out full-automatic centralized Control, control and management is convenient, and rate of drying is fast, and dry products obtained therefrom has the good uniformity, dispersiveness and dissolubility, 3) device for recycling exhaust gas is provided with in system, the waste gas produced in dry run is delivered to around drying tower tower body by waste gas recovery tower again, drying tower is played to the effect of insulation, also effectively prevent waste gas simultaneously and pollution is produced to environment, reach the effect reducing energy consumption and save production cost, 4) at the water inlet port of compression pump, one filtered water tank is installed, be convenient to utilize clear water to entering material pipe under the condition of simplied system structure, centrifugal atomizer nozzle and drying tower inner wall of tower rinse, meanwhile turn round clearing apparatus and in drying tower, carry purge gas with the cleaning pipe be arranged in drying tower by purging driving motor, water and gas phase merge and form strong water flow in drying towers, adhesion on thorough removing inner wall of tower, the sewage formed after cleaning is discharged by ducted Butterworth Hatch through primary separator, cleaning mode is simple, efficiency is high, clean effective, the quality of dry products is effectively improve while the service life extending drying equipment to a certain extent, 5) centrifugal atomizer in this system adopts frequency converter to control, and has the function of continuous adjusting rotary speed, therefore, it is possible to according to the solid content adjusting rotary speed of dried material, to change droplet size, reach less the effect of sticky or sticky drying tower inwall, 6) three-dimensional conical drying tower is adopted in existing drying system, easily produce sticky wall at cone position, drying tower in this system adopts vertical cylinder structural design, thus can avoid dried material, in tower, wall sticking phenomenon occurs on this body structure of drying tower, improve purity and the quality of catalyst powder after drying.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-drying tower, 2-material pot, 3-compression pump, 4-centrifugal atomizer, 5-air cleaner, 6-pressure fan, 7-vapor heat exchanger, 8-electric heater, 9-hot-air distributor, 10-first cooling by wind device, 11-visible observation window, 12-lagging casing, 13-insulation film, 14-cooling blower, 15-primary separator, 16-second-stage separator, 17-splicing groove, 18-air-introduced machine, 19-aspiration pump, 20-deduster, 21-waste gas recovery tower, 22-micro mist collecting pipe, 23-sealing radiator, 24-filtered water tank, 25-cooled dehumidifier unit, 26-radiator, 27-turns round clearing apparatus, 28-cleans pipe, 29-purges driving motor, 30-Butterworth Hatch, 31-charge door.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
embodiment 1:as shown in Figure 1, a kind of solid catalyst atomization drying system being convenient to clean, comprise the drying tower 1 of vertical type cylinder body structure, feeding device, heater, rheumatism cooling device, drawing mechanism, device for recycling exhaust gas, clearing apparatus and Intelligent control cabinet, the top of drying tower 1 is provided with hot-air distributor 9, and on the top inside center axis of drying tower 1, electric high-speed centrifugal atomizer 4 is installed, outside drying tower tower body, be provided with a circle lagging casing 12 around tower body, the material pot 2 of described feeding device is connected to the top charging aperture of drying tower by compression pump 3, and is provided with first cooling by wind device 10 at charging aperture place, for carrying out drying to material slurry, improves the solid content entering slurries in drying tower further, the front end of described heater is provided with air cleaner 5, extraneous air is delivered to vapor heat exchanger 7 by pressure fan 6 and is added thermosetting hot blast through electric heater 8 after described air cleaner filters, and hot blast enters in drying tower tower after delivering to hot-air distributor 9 by pipeline, described drawing mechanism is arranged on the bottom of drying tower, described drawing mechanism comprises primary separator 15, second-stage separator 16, air-introduced machine 18, splicing groove 17, the bottom of described primary separator 15 is connected with the top of second-stage separator 16, described second-stage separator 16 is connected with air-introduced machine 18, described splicing groove 17 is arranged on the bottom of described second-stage separator 16, and described rheumatism cooling device is connected to (comprising cooled dehumidifier unit 25 and radiator 26) bottom of described primary separator 15, described device for recycling exhaust gas comprises aspiration pump 19, deduster 20, waste gas recovery tower 21, micro mist collecting pipe 22 and sealing radiator 23, described primary separator 15 is connected with aspiration pump air exhaust nozzle, and described air-introduced machine 18 is also connected on exhaust tube, described deduster 20 is connected to the exhaust nozzle of aspiration pump 19, described waste gas recovery tower 21 is connected with deduster 20, and at described deduster 20, the junction of waste gas recovery tower 21 is provided with micro mist collecting pipe 22, for collecting the powder material that waste gas produces in deduster, described micro mist collecting pipe 22 inserts in described sealing radiator 23, the powder material of collection is entered in clear water and carries out secondary recovery utilization, the hot waste gas of discharging from described waste gas recovery tower 21 delivers to by pipeline the confined space that described drying tower tower body and described lagging casing formed, described clearing apparatus comprises and is arranged on the revolution clearing apparatus 27 bottom drying tower, the filtered water tank 24 being arranged on compression pump front end and the cleaning pipe 28 be arranged in drying tower tower, and the pipeline of described drawing mechanism and device for recycling exhaust gas also offers Butterworth Hatch 30, the whole course of work of described Intelligent control cabinet to system carries out centralized automatic control.
embodiment 2:as shown in Figure 1, improve as one of the present utility model, on the inwall of described drying tower tower body, be lined with one deck hydrophobic layer.Drying tower tower body is many to be made up of stainless steel, carbon steel or armored concrete, and these materials all have hydrophily, are easily adhered to by wet stock and scab.Therefore even brushing one deck hydrophobic layer on the inwall of tower body, can reduce the probability that spray drying tower scabs effectively.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:as shown in Figure 1, improve as one of the present utility model, the outlet at bottom place of described drying tower is provided with cooling blower 14, the material powder of cooling blower to dry formation in drying tower tentatively cools, then by rheumatism cooling device, thorough dehumidification cooling is carried out to material powder, thus accelerate the cooling velocity of material powder, avoid material powder because of problems such as conglomeration caused by humidity over limit, uniformity differences.The tower body of described drying tower offers visible observation window, is convenient to personnel's working order of electric high-speed centrifugal atomizer nozzle in Real-Time Monitoring drying tower in dry run.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:as shown in Figure 1, improve as one of the present utility model, described electric high-speed centrifugal atomizer 4 adopts variable-frequency power sources to power, and carry out VFC, thus the continuous adjustment of rotating speed is carried out according to the feed liquid solid content of dried material, to change the diameter of atomizer nozzle, thus change the size of droplet, reduce the possibility that material glues wall further.In addition, described electric high-speed centrifugal atomizer has the advantages such as high rotating speed, low vibration, high stability, the material feed liquid atomization being is careful and even, makes the heat exchange in drying tower more abundant, thus further shorten drying time and reduce the coefficient of losses of heat energy.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:as shown in Figure 1, improve as one of the present utility model, in the front end of described rheumatism cooling device, cooled dehumidifier unit 25 is installed, effectively can reduce the humidity and temperature of the air for dry products, not only shorten the drying time of product, improve drying efficiency, can also ensure that the product produced has good bulk density and the uniformity simultaneously.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:as shown in Figure 1, improve as one of the present utility model, described primary separator 15 and second-stage separator 16 all adopt cyclone separator.It is simple that cyclone separator has structure, and long service life, cost is low, separative efficiency advantages of higher.All the other structures are identical with embodiment 1 with advantage.
At least one in technical characteristic described in embodiment 2,3,4,5,6 and embodiment 1 can also be combined to form new embodiment by the utility model.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.

Claims (6)

1. be convenient to the solid catalyst atomization drying system of cleaning for one kind, it is characterized in that: comprise the drying tower of vertical type cylinder body structure, feeding device, heater, rheumatism cooling device, drawing mechanism, device for recycling exhaust gas, clearing apparatus and Intelligent control cabinet, the top of drying tower is provided with hot-air distributor, and on the top inside center axis of drying tower, electric high-speed centrifugal atomizer is installed, outside drying tower tower body, be provided with a circle lagging casing around tower body, the material pot of described feeding device is connected to the top charging aperture of drying tower by compression pump, and is provided with first cooling by wind device at charging aperture place, the front end of described heater is provided with air cleaner, and extraneous air is delivered to vapor heat exchanger by pressure fan and added thermosetting hot blast through electric heater after described air cleaner filters, and hot blast enters in drying tower tower after delivering to hot-air distributor by pipeline, described drawing mechanism is arranged on the bottom of drying tower, described drawing mechanism comprises primary separator, second-stage separator, air-introduced machine, splicing groove, the bottom of described primary separator is connected with the top of second-stage separator, described second-stage separator is connected with air-introduced machine, described splicing groove is arranged on the bottom of described second-stage separator, and described rheumatism cooling device is connected to the bottom of described primary separator, described device for recycling exhaust gas comprises aspiration pump, deduster, waste gas recovery tower, micro mist collecting pipe and sealing radiator, described primary separator is connected with aspiration pump air exhaust nozzle, and described air-introduced machine is also connected on exhaust tube, described deduster is connected to the exhaust nozzle of aspiration pump, described waste gas recovery tower is connected with deduster, and the junction of described deduster and waste gas recovery tower is provided with micro mist collecting pipe, described micro mist collecting pipe inserts in described sealing radiator, the hot waste gas of discharging from described waste gas recovery tower delivers to by pipeline the confined space that described drying tower tower body and described lagging casing formed, described clearing apparatus comprises and is arranged on the revolution clearing apparatus bottom drying tower, the filtered water tank being arranged on compression pump front end and the cleaning pipe be arranged in drying tower tower, and the pipeline of described drawing mechanism and device for recycling exhaust gas also offers Butterworth Hatch, the whole course of work of described Intelligent control cabinet to system carries out centralized automatic control.
2. as claimed in claim 1 a kind of be convenient to clean solid catalyst atomization drying system, it is characterized in that, on the inwall of described drying tower tower body, be lined with one deck hydrophobic layer.
3. as claimed in claim 1 or 2 a kind of be convenient to clean solid catalyst atomization drying system, it is characterized in that, the outlet at bottom place of described drying tower is provided with cooling blower, the tower body of described drying tower offers visible observation window.
4. as claimed in claim 1 or 2 a kind of be convenient to clean solid catalyst atomization drying system, it is characterized in that, described electric high-speed centrifugal atomizer adopts variable-frequency power sources to power, thus the continuous adjustment of rotating speed can be carried out according to the feed liquid solid content of dried material, to change the diameter of atomizer nozzle, thus change the size of droplet, reduce the possibility that material glues wall further.
5. as claimed in claim 1 a kind of be convenient to clean solid catalyst atomization drying system, it is characterized in that, in the front end of described rheumatism cooling device, cooled dehumidifier unit is installed.
6. as claimed in claim 1 a kind of be convenient to clean solid catalyst atomization drying system, it is characterized in that, described primary separator and second-stage separator all adopt cyclone separator.
CN201420730069.5U 2014-11-29 2014-11-29 A kind of solid catalyst atomization drying system being convenient to clean Withdrawn - After Issue CN204275522U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399263A (en) * 2014-11-29 2015-03-11 南京威安新材料科技有限公司 Convenient-to-clean solid catalyst atomization drying system
CN111249759A (en) * 2020-03-11 2020-06-09 黑龙江冰泉多多保健食品有限责任公司 Instant soybean powder spray drying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399263A (en) * 2014-11-29 2015-03-11 南京威安新材料科技有限公司 Convenient-to-clean solid catalyst atomization drying system
CN104399263B (en) * 2014-11-29 2016-07-20 南京威安新材料科技有限公司 A kind of solid catalyst atomization drying system being easy to clean
CN111249759A (en) * 2020-03-11 2020-06-09 黑龙江冰泉多多保健食品有限责任公司 Instant soybean powder spray drying device

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