CN110849104A - Mineral powder drying device - Google Patents

Mineral powder drying device Download PDF

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Publication number
CN110849104A
CN110849104A CN201911141491.0A CN201911141491A CN110849104A CN 110849104 A CN110849104 A CN 110849104A CN 201911141491 A CN201911141491 A CN 201911141491A CN 110849104 A CN110849104 A CN 110849104A
Authority
CN
China
Prior art keywords
air
water
heat pump
cold water
spray head
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.)
Pending
Application number
CN201911141491.0A
Other languages
Chinese (zh)
Inventor
周道选
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co Ltd
Original Assignee
Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co Ltd filed Critical Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co Ltd
Priority to CN201911141491.0A priority Critical patent/CN110849104A/en
Publication of CN110849104A publication Critical patent/CN110849104A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
    • F26B11/0477Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/10Temperature; Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28CHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00Direct-contact trickle coolers, e.g. cooling towers

Abstract

The invention relates to the field of industrial mineral powder drying equipment, in particular to a mineral powder drying device for eliminating gas escape during mineral powder drying so as to effectively protect the air environment, which comprises a rotary drum dryer, wherein the central axis of the rotary drum dryer is obliquely arranged, the drum head of the rotary drum dryer is higher than the drum tail, the mineral powder drying device comprises a water source high-temperature heat pump, a spray tower and an air-cooled water chilling unit, the water source high-temperature heat pump is communicated with the drum tail of the rotary drum dryer through a high-temperature air pipe, the drum head of the rotary drum dryer is communicated with the bottom of the spray tower through an air outlet pipeline of the rotary drum dryer, the top of the spray tower is communicated with the bottom of the air-cooled water chilling unit through an air outlet pipeline, the top of the air-cooled water chilling unit is communicated with the water source high-temperature heat pump through an air return pipe. The invention has obvious energy-saving effect, and is particularly suitable for drying titanium concentrate, pellet ore and other fine particles and powdery materials by a heat pump.

Description

Mineral powder drying device
Technical Field
The invention relates to the field of industrial mineral powder drying equipment, in particular to a mineral powder drying device.
Background
The existing industrial mineral powder drying technology generally adopts an open rotary kiln dryer process, a rotary drum of the rotary kiln is slightly inclined and rotates at a certain rotating speed, wet materials enter from the upper part of one end, and dry materials are collected from the lower part of the other end. The hot air enters from the feeding end or the discharging end and is discharged from the upper part of the other end. The drum is internally provided with a forward shoveling plate, and when the drum rotates, the material is continuously shoveled and sprinkled down in the rotation process of the drum body, so that the material is fully contacted with hot air flow, the drying efficiency is improved, and the material moves forwards. Hot air is generated by burning fossil fuels such as coal, natural gas, artificial gas, and heavy oil, and in recent years, biomass fuels have been partially used. The disadvantages of this process are mainly high energy consumption and pollution of flue gas and tail gas to the atmosphere. With the increase of national requirements on energy conservation and environmental protection, the traditional combustion fuel drying process needs measures such as denitration, desulfurization and whitening in the purification of flue gas, so that the investment is increased, the operation cost is increased, and some materials such as titanium concentrate flotation are difficult to treat and diffuse into the atmosphere, so that serious air pollution is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mineral powder drying device which can eliminate gas escape during mineral powder drying so as to effectively protect the air environment.
The technical scheme adopted by the invention for solving the technical problems is as follows: mineral powder drying device, including rotary drum desicator, rotary drum desicator's the central axis sets up for the slope, and wherein, rotary drum desicator's section of thick bamboo head is higher than the section of thick bamboo tail, including water source high temperature heat pump, spray column and air-cooled water chilling unit, water source high temperature heat pump passes through the section of thick bamboo tail intercommunication of high-temperature tuber pipe with rotary drum desicator, and rotary drum desicator's section of thick bamboo head passes through rotary drum desicator air-out pipeline and spray column bottom intercommunication, and the spray column top is through cold wind air-out pipeline and air-cooled water chilling unit bottom intercommunication, and air-cooled water chilling unit top is through backwind pipe and water source high temperature heat pump intercommunication, water source high temperature heat pump.
Furthermore, a closed water circulation channel is formed between the water source high-temperature heat pump and the spray tower through a warm water outlet pipeline and a warm water circulating water outlet pipeline.
Further, a material heat exchanger is arranged at a discharge port at the tail of the drum of the rotary drum dryer and is arranged on a channel of a warm water circulating water outlet pipeline.
Further, the water source high-temperature heat pump comprises a scroll compressor, a heat pump condenser, a heat pump expansion valve and a heat pump shell-and-tube evaporator which are communicated with each other, wherein the warm water outlet pipeline and the warm water circulating water outlet pipeline are communicated with the heat pump shell-and-tube evaporator.
Further, the spray tower comprises a warm water spray head and a cold water spray head, wherein the cold water spray head is arranged above the warm water spray head.
Furthermore, a one-way gas passage is arranged between the warm water spray head and the cold water spray head, and the gas flowing direction of the one-way gas passage flows from one side of the warm water spray head to one side of the cold water spray head.
Furthermore, the spray tower is divided into a warm water spray head cavity and a cold water spray head cavity by the one-way gas channel, wherein the cold water spray head cavity where the cold water spray head is located is communicated with the air-cooled water chilling unit through a cold water outlet pipe and a cold water return pipe.
Further, the air-cooled water chilling unit comprises an air-cooled water chilling unit compressor, an air-cooled water chilling unit condenser, an air-cooled water chilling unit expansion valve and an air-cooled water chilling unit shell-and-tube evaporator which are communicated with each other, wherein a cold water outlet pipe and a cold water return pipe are communicated with the air-cooled water chilling unit shell-and-tube evaporator.
Further, a cold water circulating pump is arranged on the cold water outlet pipe.
Furthermore, a cold water filter is arranged between the cold water circulating pump and a cold water spray head chamber where the cold water spray head is positioned.
The invention has the beneficial effects that: when in actual use, the material in the rotary drum dryer rolls to the section of thick bamboo tail along with rotary drum dryer's rotation and moves, at this moment, the hot-blast reverse material moving direction of dry that derives from water source high temperature heat pump heats the stoving to the material, later, the hot-blast bottom that carries moisture gets into spray column, and accomplish the dust removal in spray column, cooling and dehydration, then gas gets into air-cooled cooling water set and tentatively preheats the intensification, and get into water source high temperature heat pump intensification again afterwards, return rotary drum dryer after the pressurization, because drying gas has at first realized airtight circulation, thoroughly stopped gaseous outer the arranging, greatly reduced the pollution to the environment in the whole production process. The invention is a closed cycle, the efficiency is irrelevant to the external environment temperature, and the invention is not limited by regions and seasons. In addition, because the medium for drying is hot air, the dried material is not polluted like the smoke of burning fuel, the discharged smoke pollutes the environment, the drying device is particularly suitable for the material with volatile gas during drying, and the energy-saving effect is obvious. The invention is especially suitable for heat pump drying of titanium concentrate, pellet and other fine particle and powder materials.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Labeled as: a feed inlet 1, a cylinder head 2, a rotary cylinder dryer 3, a support ring 4, a driving gear ring 5, a cylinder tail 6, a discharge outlet 7, a variable frequency driving motor 8, an upper support column 9, a lower support column 10, a return air pipe 11, a water source high temperature heat pump 12, a material heat exchanger water outlet pipe 13, a heat pump shell evaporator 14, a heat pump condenser 15, a scroll compressor 16, a high temperature blower 17, a material heat exchanger 18, a heat pump expansion valve 19, a warm water condensed water overflow pipe 20, a high temperature air pipe 21, a rotary cylinder dryer air outlet pipeline 22, a medium temperature blower 23, a cold air outlet pipeline 24, a spray tower 25, a cold water nozzle 26, a cold water nozzle filler 27, a full-automatic filter 28, a warm water circulating water pump 29, a solid dust discharge pipe 30, a warm water outlet pipeline 31, a cold water circulating pump 32, a cold water filter, The system comprises an air-cooled water chilling unit shell-and-tube evaporator 37, a cold water return pipe 38, an air-cooled water chilling unit compressor 39, an air-cooled water chilling unit condenser 40, an air-cooled water chilling unit 41, an air outlet 42 of the air-cooled water chilling unit, a warm water spray nozzle 43, a warm water spray nozzle filler 44 and a warm water circulating water outlet pipeline 45.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The mineral powder drying device shown in fig. 1 comprises a rotary drum dryer 3, wherein the central axis of the rotary drum dryer 3 is obliquely arranged, the drum head 2 of the rotary drum dryer 3 is higher than the drum tail 6 and comprises a water source high-temperature heat pump 12, a spray tower 25 and an air-cooled water chilling unit 41, the water source high-temperature heat pump 12 is communicated with the drum tail 6 of the rotary drum dryer 3 through a high-temperature air pipe 21, the drum head 2 of the rotary drum dryer 3 is communicated with the bottom of the spray tower 25 through an air outlet pipeline 22 of the rotary drum dryer, the top of the spray tower 25 is communicated with the bottom of the air-cooled water chilling unit 41 through an air outlet pipeline 24, the top of the air-cooled water chilling unit 41 is communicated with the water source high-temperature heat pump 12 through an air return pipe 11, and the water source high-temperature heat pump 12, the rotary drum dryer 3.
The core of the invention is composed of the rotary drum dryer 3, the water source high-temperature heat pump 12, the spray tower 25 and the air-cooled water chilling unit 41, and the water source high-temperature heat pump 12, the rotary drum dryer 3, the spray tower 25 and the air-cooled water chilling unit 41 form a closed gas circulation channel, so that the material is dried, the gas is prevented from escaping outwards, and the production efficiency and the environmental protection requirements are considered. During the in-service use, the material passes through feed inlet 1 entering of rotary drum desicator 3, discharges through rotary drum desicator 3's discharge gate 7, and in the whole process, the dry gas of the reverse flow in the rotary drum desicator 3 dries the material to whole drying process's high efficiency and stoving quality have been guaranteed.
In order to realize the energy transfer between the water source high-temperature heat pump 12 and the spray tower 25, the following scheme can be selected: a closed water circulation channel is formed between the water source high-temperature heat pump 12 and the spray tower 25 through a warm water outlet pipeline 31 and a warm water circulating water outlet pipeline 45. On the basis of the above scheme, in order to further optimize the efficiency of energy transfer, it is preferable that a material heat exchanger 18 is disposed at the discharge port 7 of the drum tail 6 of the rotary drum dryer 3, and the material heat exchanger 18 is disposed on a channel of the warm water circulating water outlet pipe 45. Generally, it is preferable that the water source high temperature heat pump 12 comprises a scroll compressor 16, a heat pump condenser 15, a heat pump expansion valve 19 and a heat pump shell and tube evaporator 14 which are communicated with each other, wherein a warm water outlet pipe 31 and a warm water circulating water outlet pipe 45 are communicated with the heat pump shell and tube evaporator 14.
In order to realize better spraying, dust removing and dewatering effects, the following scheme can be selected: the spray tower 25 comprises a warm water spray head 43 and a cold water spray head 26, wherein the cold water spray head 26 is arranged above the warm water spray head 43. Generally, the warm water spray head 43 of the lower tower can spray hot air containing moisture and dust from the drum dryer 3 for cooling and dust removal, and the circulating cold water of the cold water spray head 26 of the upper tower is further cooled by spraying, so as to achieve the purpose of removing moisture in the circulating air. In order to ensure the gas flow efficiency, it is preferable that a one-way gas passage 34 is provided between the warm water spray head 43 and the cold water spray head 26, and the gas flow direction of the one-way gas passage 34 is from the warm water spray head 43 side to the cold water spray head 26 side.
In order to realize the energy exchange between the cold water spray head chamber and the air-cooled water chilling unit 41, the following scheme can be selected: the one-way gas channel 34 divides the spray tower 25 into a warm water spray head chamber and a cold water spray head chamber, wherein the cold water spray head chamber where the cold water spray head 26 is located is communicated with the air-cooled water chilling unit 41 through a cold water outlet pipe 36 and a cold water return pipe 38. Preferably, the air-cooled water chiller 41 comprises an air-cooled water chiller compressor 39, an air-cooled water chiller condenser 40, an air-cooled water chiller expansion valve and an air-cooled water chiller shell-and-tube evaporator 37 which are communicated with each other, wherein the cold water outlet pipe 36 and the cold water return pipe 38 are communicated with the air-cooled water chiller shell-and-tube evaporator 37.
In order to ensure the circulation efficiency of the cold water, the cold water circulating pump 32 is preferably arranged on the cold water outlet pipe 36. In order to prevent impurities from blocking the piping, a cold water filter 33 is preferably provided between the cold water circulation pump 32 and the cold water spray head chamber in which the cold water spray head 26 is located.
In terms of specific design concept, the water source high-temperature heat pump 12 is a heat source of a drying system, circulating air which is sent by an air-cooled water chilling unit 41 and is subjected to moisture removal and preheating is heated to 70 ℃ from 40 ℃, the circulating air is sent to a rotary drum dryer 3 by a high-temperature blower 17 to dry materials, and a compressor consumes electric energy to compress refrigerant steam to generate high temperature in the process. The scroll compressor 16 compresses refrigerant vapor from the tube shell evaporator 14 of the tube heat pump into refrigerant gas of high temperature and high pressure, the refrigerant gas is condensed by the heat pump condenser 15, and simultaneously releases heat to be used for drying materials by heating circulating air, and the condensed refrigerant is throttled and decompressed by the heat pump expansion valve 19 and returns to the heat pump tube shell evaporator 14 again. Wherein, preferred water source high temperature heat pump 12 body has PLC, and entire system is equipped with the industrial computer simultaneously, including the temperature, humidity, flow, the rotational speed etc. of each point, through program automatic control. The industrial personal computer collects parameters of all parts and automatically operates according to a set program, and parameters of all systems are automatically adjusted according to the water content of the incoming materials and the dryness of the final materials. And fault alarm, data storage and remote monitoring can be realized.
The rotary drum dryer 3 is driven by a variable frequency driving motor 8 to rotate at a certain rotating speed, so that materials are fluidized inside; because the variable frequency driving motor 8 is matched to drive the rotary drum dryer 3 to rotate, the rotating speed can be adjusted according to the humidity of the material, the shoveling plates with different angles are arranged in the rotary drum dryer 3, the material is evenly shoveled, the hot air dried in the process and the material are subjected to heat and mass transfer, and the hot air dried absorbs the water vapor of the material, so that the drying effect is achieved.
The spray tower sprays hot air containing dust from the rotary drum dryer 3 through the circulating system to remove the dust and primarily cool, and meanwhile, the spray system also absorbs heat of circulating air. The circulating air can be reduced from 50 ℃ to about 30 ℃. The upper section and the lower section of the spray tower 25 are respectively provided with a cold water spray head filler 27 and a warm water spray head filler 44, so that the gas-liquid contact area and time can be increased, and the heat and mass transfer is better. The spray tower adopts external heat preservation to prevent heat loss.
The air-cooled water chilling unit 41 generates cold water with the temperature of 7 ℃ for the spray tower 25 to spray, and can preheat circulating air from the spray tower 25 for removing moisture. Through refrigeration cycle, 7 ℃ cold water is generated, the temperature of the circulating air can be reduced to about 15 ℃, the moisture of the circulating air is removed in the process, the purpose of drying the circulating air is achieved, meanwhile, the circulating cold water absorbs the heat of the circulating air, the heat is transferred into the circulating air through the condenser 40 of the air-cooled water chiller unit, and the circulating air is preheated to 40 ℃.
The closed-loop heat pump continuous mineral powder drying device provided by the invention has the advantages that the heat is recycled, the heat is not exhausted, gas is not escaped, the current environment-friendly requirement is met, and the market popularization prospect is wide.

Claims (10)

1. Mineral powder drying device, including rotary drum desicator (3), the central axis of rotary drum desicator (3) sets up for the slope, and wherein, tube head (2) of rotary drum desicator (3) are higher than section of thick bamboo tail (6), its characterized in that: the water source high-temperature heat pump spray tower system comprises a water source high-temperature heat pump (12), a spray tower (25) and an air-cooled water chilling unit (41), wherein the water source high-temperature heat pump (12) is communicated with a drum tail (6) of a rotary drum dryer (3) through a high-temperature air pipe (21), a drum head (2) of the rotary drum dryer (3) is communicated with the bottom of the spray tower (25) through a rotary drum dryer air outlet pipeline (22), the top of the spray tower (25) is communicated with the bottom of the air-cooled water chilling unit (41) through a cold air outlet pipeline (24), the top of the air-cooled water chilling unit (41) is communicated with the water source high-temperature heat pump (12) through an air return pipe (11), and the water source high-temperature heat pump (12), the rotary drum dryer (3), the spray tower (.
2. The mineral powder drying device according to claim 1, characterized in that: a closed water circulation channel is formed between the water source high-temperature heat pump (12) and the spray tower (25) through a warm water outlet pipeline (31) and a warm water circulating water outlet pipeline (45).
3. The mineral powder drying device according to claim 2, characterized in that: a material heat exchanger (18) is arranged at a discharge hole (7) of a drum tail (6) of the rotary drum dryer (3), and the material heat exchanger (18) is arranged on a channel of a warm water circulating water outlet pipeline (45).
4. The ore powder drying device according to claim 2 or 3, characterized in that: the water source high-temperature heat pump (12) comprises a scroll compressor (16), a heat pump condenser (15), a heat pump expansion valve (19) and a heat pump shell-and-tube evaporator (14) which are communicated with each other, wherein a warm water outlet pipeline (31) and a warm water circulating water outlet pipeline (45) are communicated with the heat pump shell-and-tube evaporator (14).
5. The ore powder drying device according to claim 1, 2 or 3, characterized in that: the spray tower (25) comprises a warm water spray head (43) and a cold water spray head (26), wherein the cold water spray head (26) is arranged above the warm water spray head (43).
6. The mineral powder drying device according to claim 5, characterized in that: a one-way gas passage (34) is arranged between the warm water spray head (43) and the cold water spray head (26), and the gas flowing direction of the one-way gas passage (34) flows from one side of the warm water spray head (43) to one side of the cold water spray head (26).
7. The mineral powder drying device according to claim 6, characterized in that: the spray tower (25) is divided into a warm water spray head cavity and a cold water spray head cavity by the one-way gas channel (34), wherein the cold water spray head cavity where the cold water spray head (26) is located is communicated with the air-cooled water chilling unit (41) through a cold water outlet pipe (36) and a cold water return pipe (38).
8. The mineral powder drying device according to claim 7, characterized in that: the air-cooled water chilling unit (41) comprises an air-cooled water chilling unit compressor (39), an air-cooled water chilling unit condenser (40), an air-cooled water chilling unit expansion valve and an air-cooled water chilling unit shell-and-tube evaporator (37) which are communicated with each other, wherein a cold water outlet pipe (36) and a cold water return pipe (38) are communicated with the air-cooled water chilling unit shell-and-tube evaporator (37).
9. The mineral powder drying device according to claim 7, characterized in that: a cold water circulating pump (32) is arranged on the cold water outlet pipe (36).
10. The mineral powder drying device according to claim 9, characterized in that: a cold water filter (33) is arranged between the cold water circulating pump (32) and the cold water spray head chamber where the cold water spray head (26) is positioned.
CN201911141491.0A 2019-11-20 2019-11-20 Mineral powder drying device Pending CN110849104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911141491.0A CN110849104A (en) 2019-11-20 2019-11-20 Mineral powder drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911141491.0A CN110849104A (en) 2019-11-20 2019-11-20 Mineral powder drying device

Publications (1)

Publication Number Publication Date
CN110849104A true CN110849104A (en) 2020-02-28

Family

ID=69603015

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Application Number Title Priority Date Filing Date
CN201911141491.0A Pending CN110849104A (en) 2019-11-20 2019-11-20 Mineral powder drying device

Country Status (1)

Country Link
CN (1) CN110849104A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101126529A (en) * 2007-10-08 2008-02-20 阿尔西制冷工程技术(北京)有限公司 Machine hall air conditioner set
CN201811598U (en) * 2010-05-19 2011-04-27 陆飞浩 Compressed air cooler
CN104180634A (en) * 2013-05-21 2014-12-03 中冶长天国际工程有限责任公司 Concentrate drying system and concentrate drying method of dryer of rotary kiln
CN105066665A (en) * 2015-07-22 2015-11-18 合肥淘能环境科技有限公司 Heat recovery heat pump device of drying room
EP3012313A1 (en) * 2013-06-19 2016-04-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Solid fuel manufacturing method and manufacturing device
CN205373305U (en) * 2015-12-01 2016-07-06 重庆福丹环保建材有限公司 Rotary drum drying -machine that exhaust gas circulation used
CN208765310U (en) * 2018-07-18 2019-04-19 苏州聚焓新能源科技有限公司 A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine
CN209485090U (en) * 2018-12-19 2019-10-11 贵州开磷息烽合成氨有限责任公司 A kind of water-cooling tower for semiwater gas desulphurizing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101126529A (en) * 2007-10-08 2008-02-20 阿尔西制冷工程技术(北京)有限公司 Machine hall air conditioner set
CN201811598U (en) * 2010-05-19 2011-04-27 陆飞浩 Compressed air cooler
CN104180634A (en) * 2013-05-21 2014-12-03 中冶长天国际工程有限责任公司 Concentrate drying system and concentrate drying method of dryer of rotary kiln
EP3012313A1 (en) * 2013-06-19 2016-04-27 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Solid fuel manufacturing method and manufacturing device
CN105066665A (en) * 2015-07-22 2015-11-18 合肥淘能环境科技有限公司 Heat recovery heat pump device of drying room
CN205373305U (en) * 2015-12-01 2016-07-06 重庆福丹环保建材有限公司 Rotary drum drying -machine that exhaust gas circulation used
CN208765310U (en) * 2018-07-18 2019-04-19 苏州聚焓新能源科技有限公司 A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine
CN209485090U (en) * 2018-12-19 2019-10-11 贵州开磷息烽合成氨有限责任公司 A kind of water-cooling tower for semiwater gas desulphurizing

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