CN105758152A - High temperature air source heat pump vertical dryer - Google Patents
High temperature air source heat pump vertical dryer Download PDFInfo
- Publication number
- CN105758152A CN105758152A CN201610266909.0A CN201610266909A CN105758152A CN 105758152 A CN105758152 A CN 105758152A CN 201610266909 A CN201610266909 A CN 201610266909A CN 105758152 A CN105758152 A CN 105758152A
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- CN
- China
- Prior art keywords
- heat pump
- source heat
- temperature air
- outer cylinder
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a high temperature air source heat pump vertical dryer.The high temperature air source heat pump vertical dryer comprises a furnace body, a feed inlet and a discharge outlet, wherein an upper hot air inlet and a lower hot air inlet are formed in the furnace body, an exhaust gas outlet is formed in the middle of the furnace body, and a pipeline is connected to the exhaust gas outlet; the furnace body is of a double-cylinder structure and composed of an outer cylinder and an inner annular cylinder, a through air hole is formed in the outer cylinder along the space between the upper hot air inlet and the lower hot air inlet, and an air collecting hood is welded to the outer side of the air hole; gear rings are arranged on the inner wall of the outer cylinder in layers, the inner annular cylinder is sleeved with the outer cylinder and in clearance fit with the outer cylinder to form a material layer, the bottom of the outer cylinder is evenly divided by partition boards into discharging units, a discharging device is correspondingly installed on each discharging unit, the inner annular cylinder is of a netty structure, and a thermocouple detecting the temperature of materials is installed in the middle of the vertical dryer.Baking temperature is about 90 DEG C which is more suitable for drying of low-fire-point materials, waste heat can be recovered, and the dryer is an energy-efficient environment-friendly clean energy dryer.
Description
Technical field:
The present invention relates to dehydrator field, be particularly well-suited to oven drying at low temperature, heat recovery one temperature air-source heat pump tower drier.
Background technology:
Tower drier, also known as vertical drier, its drying being widely used to the production processes such as moulded coal, cement, chemical fertilizer, Coal Chemical Industry to material, has little, the small investment of occupation of land and stable feature.
In recent years, through constantly development with improve, on market, visible tower drier is varied, wherein publication number be CN167361A Chinese patent application disclosed in tower drier be exactly the one in many tower driers.This tower drier includes cylinder and the collet being located in cylinder and lifting circle, collet is the tapered sleeve become larger from the top down, it is positioned at the center of cylinder and is coaxially set with cylinder, forms material channel between outside wall surface and the internal face of cylinder of collet;Lifting circle is diminishing tapered sleeve shape from the top down, is fixed on the internal face of cylinder and is coaxially set with cylinder.When using this tower drier, material falls into from the top of cylinder cylinder and falls along the material channel formed between collet and cylinder inboard wall face, hot blast passes in collet by air inlet set on cylinder, gap between adjacent two collets forms the outlet of hot blast, the hot-air seasoning that material is blown out by hot-blast outlet in the process fallen.But be not suitable for the requirement of oven drying at low temperature.
Secondly the heat source of current most of tower driers is all adopt coal-fired or combustion gas, the maximum harm of this heat-supplying mode is exactly high pollution, discharge substantial amounts of carbon dioxide, air is caused serious pollution, secondly the EGT of air it is discharged into from dehydrator at about 100 DEG C through dust-precipitator, waste heat waste gas directly empties and can not be recycled utilization, consumes substantial amounts of available energy, and this obviously limits the long-range Prospects of Sustainable Development of tower drier.Coal-fired and combustion gas calorific value is higher, is not suitable for the drying of low ignition point material, it is easy to cause firing accident, is unfavorable for safety in production.
Describing it can be seen that the principal element affecting its material drying kind, efficiency and development prospect has two by the above operation principle on above-mentioned tower drier, the i.e. heating surface area of its material, being heated evenly property and the form adopting thermal source.
For the former, in order to improve drying efficiency, by the enlarged diameter of cylinder, although this mode can improve yield to a certain extent, but can only being detrimental to the smooth outflow of material, air intake heating surface area is restricted simultaneously.
For the latter, if it is desired to the drying adapting to low ignition point material, the waste gas residual heat reclaiming discharge and use clean energy resource, at present, but without about the information using low-temperature heat source and clean energy resource to dry flammable materials in prior art.
Summary of the invention:
The task of the present invention is to propose one not only effectively to utilize waste heat but also save substantial amounts of energy resource consumption, reduces again the temperature air-source heat pump tower drier of environmental pollution simultaneously.
nullThe task of the present invention so completes,It includes body of heater,Charging aperture and discharging opening,It is characterized in that: described body of heater is provided with top hot air inlet and bottom hot air inlet,The middle part of body of heater is provided with waste gas gas outlet,To being connected to pipeline on waste gas gas outlet,Body of heater is double; two cylindrical structures,Double; two cylinders are by outer cylinder、Endocyclic tube is constituted,Described outer cylinder is provided with inside and outside penetrating pore along the zone line of top hot air inlet and bottom hot air inlet,The outside weldings of described pore has a gas skirt,The inwall higher slice of urceolus is arranged with wing circle,It is set with both endocyclic tubes gap in described outer cylinder and cooperatively forms the bed of material,The bottom dividing plate of cylinder is uniformly separated out discharging unit,On described each discharging unit, correspondence is provided with device for discharging,Described endocyclic tube is network structure,The middle part of described tower drier is provided with the thermocouple of detection temperature of charge.The other end of pipeline corresponding on waste gas outlet is connected with cleaner unit, the outlet of described cleaner unit is connected by the import of pipeline with temperature air-source heat pump system and constitutes waste gas recovery pipeline, the outlet of described high temperature air origin system is connected with the upper and lower part hot air inlet arranged on body of heater respectively by pipeline and constitutes air-supply pipeline, is connected with bypass duct between exit and the outlet of temperature air-source heat pump system of cleaner unit.The layout of pore is to be uniformly distributed the multiple waste gas outlets of formation, and the installation site of described outside gas skirt is corresponding up and down with the pore opened in outer cylinder constitutes airtight exhaust steam passage.The head of described endocyclic tube is tapered, and bottom is plane, and the head of external furnace body is plane, is broach hopper bottom it.Described temperature air-source heat pump system is made up of compressor, condenser, expansion valve, vaporizer, circulating fan, device for drying and filtering, separatory separator, fluid reservoir, thermal-insulating body, air supply duct and exhaust gas recovery conduit.Described temperature air-source heat pump is positioned at the outside installation of body of heater.
The present invention has the effect that and warms temperature at about 90 °, is more suitable for the drying of low ignition point material, and waste heat is repeatable recycles, and is the clean energy resource dehydrator of a kind of energy-conserving and environment-protective.
Accompanying drawing illustrates:
Fig. 1 is this temperature air-source heat pump tower drier structural representation;Fig. 2 is temperature air-source tower drier system structure schematic diagram;Fig. 3 is the top view of Fig. 2.
Drawing illustrates: 1, outer cylinder, 2, top hot air inlet, 3, gas skirt, 4, wing circle, 5, thermocouple, 6, bottom hot air inlet, 7, gas outlet, 8, endocyclic tube, 9, device for discharging, 10, hopper, 11, dividing plate, 12, tower drier, 13, cleaner unit, 14, temperature air-source heat pump system, 15, pipeline, 16, bypass duct.
Detailed description of the invention:
Tower drier 12 structure that the technical program relates to is more reasonable, material air intake heating surface area is greatly improved, more conform to dry low ignition point material, adopt temperature air-source heat pump to do thermal source simultaneously, the waste gas of dehydrator can receive again heat pump, waste heat is fully used, and forms the hot-air system of a closed cycle;Hot blast temperature is at about 90 °, it is particularly suitable for the drying of low ignition point material, specific embodiment is as shown in Figure 1, temperature air-source heat pump tower drier 12 includes by body of heater, described body of heater is provided with top hot air inlet 2 and bottom hot air inlet 6, the middle part of body of heater is provided with waste gas gas outlet 7, to being connected to pipeline 15 on waste gas gas outlet, the other end of pipeline 15 is connected with cleaner unit 13, the outlet of described cleaner unit is connected by the import of pipeline with temperature air-source heat pump system 14 and constitutes waste gas recovery pipeline, described high temperature air origin system outlet by pipeline respectively with body of heater on arrange upper, bottom hot air inlet is connected and constitutes air-supply pipeline, it is connected with bypass duct 16 between exit and the outlet of temperature air-source heat pump system of cleaner unit.
Described temperature air-source heat pump system is made up of compressor, condenser, expansion valve, vaporizer, circulating fan, device for drying and filtering, separatory separator, fluid reservoir, thermal-insulating body, air supply duct and exhaust gas recovery conduit, and above-described is that prior art here no longer describes in detail.
Described temperature air-source heat pump is positioned at the outside installation of body of heater.
nullThe top of described body of heater is feeding mouth,It it is discharging opening bottom it,Body of heater is cylindrical structure,Double; two cylinders are by outer cylinder 1、Endocyclic tube 8 is constituted,Described outer cylinder is provided with inside and outside penetrating pore along the zone line of top air inlet 2 and bottom hot air inlet 6,The layout of pore is to be uniformly distributed the multiple waste gas outlets of formation,The outside weldings of described pore has a gas skirt 3,Furtherly,The installation site of gas skirt is corresponding up and down with the pore opened in outer cylinder constitutes airtight exhaust steam passage,Waste gas combines in and is discharged outside body of heater by the air port of giving vent to anger arranged on body of heater in exhaust steam passage,The inwall higher slice of urceolus is arranged with wing circle 4,Purpose is for backgauge and sequential alternately discharging straggly after material entrance urceolus,Do not block,Furthermore be conducive to aerofluxus,It is set with both endocyclic tubes gap in described outer cylinder and cooperatively forms the bed of material,The head of endocyclic tube is tapered,Bottom is plane,The head of external furnace body is plane,For taper hopper 10 bottom it,The bottom dividing plate 11 of cylinder is uniformly separated out discharging unit,Facilitate the sequential blanking of material,On described each discharging unit, correspondence is provided with device for discharging 9.
Described endocyclic tube 8 is network structure, mesh can be circular hole, elongated hole etc., determine according to material minimum particle size and select, it is more uniform that purpose is to ensure that material enters the ventilative area of hot blast in outer cylinder, the hot air inlet that described body of heater upper and lower part is arranged extends in endocyclic tube, the hot blast entered from upper and lower part hot air inlet assembles the uniformly diffusion from mesh to outer cylinder at endocyclic tube, thus ensureing that the upper and lower heating temperature of material is uniform.
The middle part of tower drier of the present invention is provided with the thermocouple 5 of detection temperature of charge, more than the installation quantity at least two of thermocouple.
In particular, the present invention relates to utilize oven drying at low temperature, a kind of temperature air-source heat pump tower drier of waste heat recovery and use the drying system of this dehydrator.Temperature air-source heat pump tower drier includes vertical body of heater and the guide ventilating part being located in body of heater, bottom and the top of body of heater have hot wind inlet, being additionally provided with temperature air-source heat pump outside described body of heater is dehydrator heat supply dehumidifying, and described temperature air-source heat pump system is made up of compressor, condenser, expansion valve, vaporizer, circulating fan, device for drying and filtering, gas-liquid separator, fluid reservoir, thermal-insulating body, air supply duct and exhaust gas recovery conduit.It is characterized in that: described temperature air-source heat pump is positioned at the outside of body of heater.Owing to the body of heater of this air source heat pump tower drier has upper and lower two hot wind inlet, and thermal source is to adopt temperature air-source heat pump, therefore, when in use, substantial amounts of hot-air enters body of heater from top and first carries out heat exchange dry by from outer to inner with material, a small amount of hot-air enters from bottom and carries out heat exchange with the material being about to dry, and makes material finish-drying before discharging body of heater.Middle part is provided with air outlet, the waste gas discharged after heat exchange is divided into two-way after being entered dust-precipitator dedusting by air-return duct, one route bypass duct is returned directly in dehydrator to be circulated utilization, one tunnel enters heat pump, waste heat is undertaken reclaiming lifting by heat pump, and the steam in return air is discharged by evaporator condensation.So both it is effectively utilized waste heat and saves substantial amounts of energy resource consumption, reduce again environmental pollution simultaneously, be the vertical drying system of a kind of clean energy resource.
Claims (6)
- null1. temperature air-source heat pump tower drier,It includes body of heater,Charging aperture and discharging opening,It is characterized in that: described body of heater is provided with top hot air inlet and bottom hot air inlet,The middle part of body of heater is provided with waste gas gas outlet,To being connected to pipeline on waste gas gas outlet,Body of heater is double; two cylindrical structures,Double; two cylinders are by outer cylinder、Endocyclic tube is constituted,Described outer cylinder is provided with inside and outside penetrating pore along the zone line of top hot air inlet and bottom hot air inlet,The outside weldings of described pore has a gas skirt,The inwall higher slice of urceolus is arranged with wing circle,It is set with both endocyclic tubes gap in described outer cylinder and cooperatively forms the bed of material,The bottom dividing plate of cylinder is uniformly separated out discharging unit,On described each discharging unit, correspondence is provided with device for discharging,Described endocyclic tube is network structure,The middle part of described tower drier is provided with the thermocouple of detection temperature of charge.
- 2. temperature air-source heat pump tower drier according to claim 1, it is characterized in that: the other end of pipeline corresponding on waste gas outlet is connected with cleaner unit, the outlet of described cleaner unit is connected by the import of pipeline with temperature air-source heat pump system and constitutes waste gas recovery pipeline, the outlet of described high temperature air origin system is connected with the upper and lower part hot air inlet arranged on body of heater respectively by pipeline and constitutes air-supply pipeline, is connected with bypass duct between exit and the outlet of temperature air-source heat pump system of cleaner unit.
- 3. temperature air-source heat pump tower drier according to claim 1, it is characterized in that: the layout of pore is to be uniformly distributed the multiple waste gas outlets of formation, the installation site of described outside gas skirt is corresponding up and down with the pore opened in outer cylinder constitutes airtight exhaust steam passage.
- 4. temperature air-source heat pump tower drier according to claim 1, it is characterised in that: the head of described endocyclic tube is tapered, and bottom is plane, and the head of external furnace body is plane, is broach hopper bottom it.
- 5. temperature air-source heat pump tower drier according to claim 1, it is characterised in that: described temperature air-source heat pump system is made up of compressor, condenser, expansion valve, vaporizer, circulating fan, device for drying and filtering, separatory separator, fluid reservoir, thermal-insulating body, air supply duct and exhaust gas recovery conduit.
- 6. temperature air-source heat pump tower drier according to claim 1 or 5, it is characterised in that: described temperature air-source heat pump is positioned at the outside installation of body of heater.
Priority Applications (1)
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CN201610266909.0A CN105758152B (en) | 2016-04-27 | 2016-04-27 | Temperature air-source heat pump tower drier |
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CN201610266909.0A CN105758152B (en) | 2016-04-27 | 2016-04-27 | Temperature air-source heat pump tower drier |
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CN105758152A true CN105758152A (en) | 2016-07-13 |
CN105758152B CN105758152B (en) | 2017-12-15 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106524691A (en) * | 2016-12-29 | 2017-03-22 | 成都智胜达节能环保科技有限公司 | Mixed-flow mosquito-repellent incense drying device and mosquito-repellent incense drying system |
CN115540520A (en) * | 2022-05-18 | 2022-12-30 | 郭赛娇 | Drying equipment is used in preparation of high-efficient industrial enzyme |
Citations (8)
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US4004351A (en) * | 1975-07-28 | 1977-01-25 | Gilmore-Tatge Manufacturing Co., Inc. | Grain drying apparatus |
US20100223800A1 (en) * | 2009-03-09 | 2010-09-09 | The Gsi Group, Llc | Adjustable divider/hopper for a grain tower dryer |
US20120011736A1 (en) * | 2010-07-14 | 2012-01-19 | The Gsi Group, L.L.C. | Grain turner for tower grain dryer and method of drying |
CN203100394U (en) * | 2013-03-04 | 2013-07-31 | 河南省德耀节能科技有限公司 | Vertical-type drying machine achieving bidirectional air inflow |
CN103759516A (en) * | 2014-01-06 | 2014-04-30 | 新乡仲德能源科技有限公司 | Vertical drying machine uniform in air distribution |
CN103759517A (en) * | 2014-01-06 | 2014-04-30 | 新乡仲德能源科技有限公司 | Multichannel vertical dryer |
CN203657397U (en) * | 2014-01-06 | 2014-06-18 | 新乡仲德能源科技有限公司 | Drainable vertical dryer |
CN205747852U (en) * | 2016-04-27 | 2016-11-30 | 河南佰衡节能科技股份有限公司 | Temperature air-source heat pump tower drier |
-
2016
- 2016-04-27 CN CN201610266909.0A patent/CN105758152B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4004351A (en) * | 1975-07-28 | 1977-01-25 | Gilmore-Tatge Manufacturing Co., Inc. | Grain drying apparatus |
US20100223800A1 (en) * | 2009-03-09 | 2010-09-09 | The Gsi Group, Llc | Adjustable divider/hopper for a grain tower dryer |
US20120011736A1 (en) * | 2010-07-14 | 2012-01-19 | The Gsi Group, L.L.C. | Grain turner for tower grain dryer and method of drying |
CN203100394U (en) * | 2013-03-04 | 2013-07-31 | 河南省德耀节能科技有限公司 | Vertical-type drying machine achieving bidirectional air inflow |
CN103759516A (en) * | 2014-01-06 | 2014-04-30 | 新乡仲德能源科技有限公司 | Vertical drying machine uniform in air distribution |
CN103759517A (en) * | 2014-01-06 | 2014-04-30 | 新乡仲德能源科技有限公司 | Multichannel vertical dryer |
CN203657397U (en) * | 2014-01-06 | 2014-06-18 | 新乡仲德能源科技有限公司 | Drainable vertical dryer |
CN205747852U (en) * | 2016-04-27 | 2016-11-30 | 河南佰衡节能科技股份有限公司 | Temperature air-source heat pump tower drier |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106524691A (en) * | 2016-12-29 | 2017-03-22 | 成都智胜达节能环保科技有限公司 | Mixed-flow mosquito-repellent incense drying device and mosquito-repellent incense drying system |
CN115540520A (en) * | 2022-05-18 | 2022-12-30 | 郭赛娇 | Drying equipment is used in preparation of high-efficient industrial enzyme |
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