CN108131932A - A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet - Google Patents

A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet Download PDF

Info

Publication number
CN108131932A
CN108131932A CN201711347502.1A CN201711347502A CN108131932A CN 108131932 A CN108131932 A CN 108131932A CN 201711347502 A CN201711347502 A CN 201711347502A CN 108131932 A CN108131932 A CN 108131932A
Authority
CN
China
Prior art keywords
pincushion
screen plate
heat exchanger
heat transfer
outlet
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.)
Granted
Application number
CN201711347502.1A
Other languages
Chinese (zh)
Other versions
CN108131932B (en
Inventor
蒋正坤
田奎
谢家龙
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.)
SEHENSTAR ENERGY TECHNOLOGY (SUZHOU) Co Ltd
Original Assignee
SEHENSTAR ENERGY TECHNOLOGY (SUZHOU) 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 SEHENSTAR ENERGY TECHNOLOGY (SUZHOU) Co Ltd filed Critical SEHENSTAR ENERGY TECHNOLOGY (SUZHOU) Co Ltd
Priority to CN201711347502.1A priority Critical patent/CN108131932B/en
Publication of CN108131932A publication Critical patent/CN108131932A/en
Application granted granted Critical
Publication of CN108131932B publication Critical patent/CN108131932B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • 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
    • F26B23/00Heating arrangements
    • F26B23/10Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

Present invention is disclosed a kind of pincushion screen plate uniformly into the powder flow heat exchanger of outlet, including heat exchanger shell and pincushion screen plate heat transfer plate, feed inlet is provided at the top of the heat exchanger shell, it is feeding warehouse between the feed inlet lower part and pincushion screen plate heat transfer plate top, the pincushion screen plate heat transfer plate is longitudinally disposed in heat exchanger shell, blanking bin is correspondingly arranged below the heat exchanger shell, pincushion screen plate heat transfer plate both sides upper and lower ends are respectively arranged with outlet and inlet tube, the pincushion screen plate heat transfer plate is provided with multiple, purging air channel is additionally provided on the pincushion screen plate heat transfer plate, the pincushion screen plate heat transfer plate is provided with purging air import corresponding with purging air channel.The present invention is applied to the drying of powder material, is heated or cooled, non-exhaust emission, and low energy consumption and low operating cost, occupation area of equipment is small, and space availability ratio is high, especially suitable for mill retrofit and old old factory rehabilitation.

Description

A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet
Technical field
The present invention relates to a kind of pincushion screen plate uniformly into the powder flow heat exchanger of outlet.
Background technology
In food processing, feed, Grain Trade, many feed particles need to pass through drying, technique is heated or cooled.In work Skill removes the moisture in raw material by heating, is readily transported and stores, in grain-production manufacture field by paddy and rapeseed Afterwards, it can directly store, with anti-mildew.In field of fodder, cooled down before feed package storage, with anti-caking.This Outside, in starch, lime manufacture field, heat treatment modification is carried out often through heated material.Traditional drying, heating and cooling are set It is standby, such as fluid bed roller equipment, directly using hot wind and powder material direct contact type, enough hot winds is needed to remove purging object Material, moisture therein is taken out of, and the material that constantly rolls.The mode of this air and material directly contact, easily causes object The oxidation reaction of material so as to influence product quality, and needs the energy consumption equipments such as mating vibrating motor, wind turbine more, while also need Corresponding tail gas treatment device is matched, installation and operation maintenance cost is high.
Invention content
It the purpose of the present invention is to provide a kind of drying applied to powder material, is heated or cooled, non-exhaust emission is low Energy consumption and low operating cost, occupation area of equipment is small, and space availability ratio is high, especially suitable for mill retrofit and old old factory rehabilitation Pincushion screen plate is uniformly into the powder flow heat exchanger of outlet.
The technical scheme is that a kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet, including heat exchanger Housing and pincushion screen plate heat transfer plate, the heat exchanger shell top are provided with feed inlet, the feed inlet lower part and pincushion net It is feeding warehouse between plate heat transfer plate top, the pincushion screen plate heat transfer plate is longitudinally disposed in heat exchanger shell, described to change Blanking bin is correspondingly arranged below hot device housing, the pincushion screen plate heat transfer plate is passes through laser after two metal sheet superpositions It penetrates to be welded together to form to be expanded by high-pressure fluid between mesh-type structure and then metal sheet and be changed to form inside The passage of heat and surface are respectively arranged with outlet in wavy plank, pincushion screen plate heat transfer plate both sides upper and lower ends And inlet tube, the pincushion screen plate heat transfer plate are provided with multiple, multiple inlet tubes protrusion is set to heat exchanger shell and passes through Inlet tube collector is correspondingly connected in heat transferring medium import, and multiple outlet protrusions are set to heat exchanger shell and pass through outlet Collector is correspondingly connected in heat transferring medium outlet, and purging air channel is additionally provided on the pincushion screen plate heat transfer plate, described Pincushion screen plate heat transfer plate is provided with purging air import corresponding with purging air channel, and the purging air import protrusion is set It is placed in heat exchanger shell and passes through purging air inlet header and be correspondingly connected on air inlet.
In a preferred embodiment of the present invention, the purging air import is set between outlet and inlet tube.
In a preferred embodiment of the present invention, multiple purging air holes are correspondingly arranged on the purging air channel.
In a preferred embodiment of the present invention, the purging air channel include lateral concave structure and E types structure but It is not limited to above two structure.
In a preferred embodiment of the present invention, the pincushion screen plate heat transfer plate of the purging air channel of the E types structure It is corresponding with the pincushion screen plate heat transfer plate of the purging air channel of lateral concave structure to be spaced apart setting.
In a preferred embodiment of the present invention, the purging air channel of the E types structure and lateral concave structure are blown The longitudinal end for sweeping air duct is flushed and is set up in parallel, and transverse end is staggeredly arranged at intervals, while purging air hole dislocation arrangement.
Of the present invention is a kind of pincushion screen plate uniformly into the powder flow heat exchanger of outlet, and the present invention is applied to powder thing The drying of material is heated or cooled, non-exhaust emission, and low energy consumption and low operating cost, occupation area of equipment is small, space availability ratio Height, especially suitable for mill retrofit and old old factory rehabilitation.
Description of the drawings
Fig. 1 is a kind of pincushion screen plate of the present invention uniformly into the structure in one preferred embodiment of powder flow heat exchanger of outlet Schematic diagram;
Fig. 2 is a kind of pincushion screen plate of the present invention uniformly into the pincushion web plate in one preferred embodiment of powder flow heat exchanger of outlet The cellular construction schematic diagram of formula heat transfer plate;
Fig. 3 is a kind of pincushion screen plate of the present invention uniformly into the purge gas in one preferred embodiment of powder flow heat exchanger of outlet Schematic diagram is flowed between pincushion screen plate heat transfer plate;
Fig. 4 is a kind of pincushion screen plate of the present invention uniformly into the lateral concave in one preferred embodiment of powder flow heat exchanger of outlet The structure diagram of the pincushion screen plate heat transfer plate of structure purging air channel;
Fig. 5 is a kind of pincushion screen plate of the present invention uniformly into the E type structures in one preferred embodiment of powder flow heat exchanger of outlet The structure diagram of the pincushion screen plate heat transfer plate of purging air channel.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
Of the present invention is a kind of pincushion screen plate uniformly into the powder flow heat exchanger of outlet, as Fig. 1 combinations Fig. 2, Fig. 4- Shown in Fig. 5, including heat exchanger shell 1 and pincushion screen plate heat transfer plate 2,1 top of heat exchanger shell is provided with feed inlet 3, It is feeding warehouse between the feed inlet lower part and pincushion screen plate heat transfer plate top, material is distributed in heat transfer plate by feeding warehouse Between, feeding warehouse plays cloth, and the pincushion screen plate heat transfer plate 2 is longitudinally disposed in heat exchanger shell 1, the heat exchanger 1 lower section of housing is correspondingly arranged on blanking bin 4, and the pincushion screen plate heat transfer plate 2 is by swashing after two metal sheets 21 are superimposed Light penetrates to be welded together to form between mesh-type structure 22 and then metal sheet 21 to be expanded to be formed by high-pressure fluid Internal heat channel 23 and surface are set respectively in wavy plank, the 2 both sides upper and lower ends of pincushion screen plate heat transfer plate It is equipped with outlet 5 and inlet tube 6, the pincushion screen plate heat transfer plate 2 is provided with multiple, and multiple protrusions of inlet tubes 6, which are set to, to be changed Hot device housing 1 simultaneously passes through inlet tube collector 7 and is correspondingly connected in heat transferring medium import 8, and multiple protrusions of outlets 5 are set to heat exchange Device housing 1 and pass through outlet collector 9 be correspondingly connected with heat transferring medium outlet 10 on, on the pincushion screen plate heat transfer plate 2 also Purging air channel 11 is provided with, it is empty that the pincushion screen plate heat transfer plate 2 is provided with purging corresponding with purging air channel 11 Gas import 12, the protrusion of purging air import 12, which is set to heat exchanger shell 1 and passes through purging air inlet header 13, to be corresponded to It is connected on air inlet 14, the purging air import 12 is set between outlet 5 and inlet tube 6, and the purging air leads to Multiple purging air holes 15 are correspondingly arranged on road 11, purging air channel described in the purging air channel 11 includes laterally recessed Type structure and E types structure but above two structure is not limited to, the pincushion screen plate of the purging air channel 11 of the E types structure passes Hot plate 2 is corresponding with the pincushion screen plate heat transfer plate 2 of the purging air channel 11 of lateral concave structure to be spaced apart setting, the E The longitudinal end of the purging air channel 11 of the purging air channel 11 of type structure and lateral concave structure, which flushes, to be set up in parallel, laterally End is staggeredly arranged at intervals, while the dislocation of purging air hole 15 arrangement.
Dry and heating:
With reference to shown in Fig. 3, material flows through pincushion screen plate heat transfer plate outer surface under the effect of gravity, and heat transfer medium flows through pincushion net In plate heat transfer plate, so as to be heated indirectly the material flowed through outside pincushion screen plate heat transfer plate, while purge and added indirectly Heat material, the moisture in material is taken away, purge gas can be that dry gas can also be hot wind, in order to increase efficiency and It is energy saving, the waste heat after recycling heat treatment can be utilized for heated material or as purging air.
Cooling:
The material flowing between pincushion screen plate heat transfer plate under the effect of gravity, cooling medium stream is through pincushion screen plate heat transfer plate It is interior, so as to which the material flowed through outside pincushion screen plate heat transfer plate be made to be cooled indirectly;And at the same time the object that purging is indirectly cooled Material, purge gas are through dry gas is subcooled, material can further be avoided to be bonded in pincushion screen plate biography in cooling procedure Hotplate surface, while promote the mobile performance of powder material, it avoids putting up a bridge.It is of the present invention for a kind of pincushion screen plate uniformly into The powder flow heat exchanger of outlet, the present invention be applied to powder material drying, be heated or cooled, non-exhaust emission, low energy consumption and Low operating cost, occupation area of equipment is small, and space availability ratio is high, especially suitable for mill retrofit and old old factory rehabilitation.
The foregoing is merely the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any Those skilled in the art disclosed herein technical scope in, can without the variation that creative work is expected or It replaces, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims Subject to fixed protection domain.

Claims (6)

1. a kind of pincushion screen plate uniformly into the powder flow heat exchanger of outlet, conducts heat including heat exchanger shell and pincushion screen plate Plate, the heat exchanger shell top are provided with feed inlet, are between the feed inlet lower part and pincushion screen plate heat transfer plate top Feeding warehouse, the pincushion screen plate heat transfer plate are longitudinally disposed in heat exchanger shell, are correspondingly arranged below the heat exchanger shell There is blanking bin, the pincushion screen plate heat transfer plate is welds together to form net by laser penetration after two metal sheet superpositions It is expanded by high-pressure fluid between cellular type structure and then metal sheet and to form internal heat channel and surface be in wave The plank of shape, pincushion screen plate heat transfer plate both sides upper and lower ends are respectively arranged with outlet and inlet tube, it is characterised in that: The pincushion screen plate heat transfer plate is provided with multiple, and multiple inlet tubes protrusion is set to heat exchanger shell and passes through inlet tube collector It is correspondingly connected in heat transferring medium import, multiple outlet protrusions, which are set to heat exchanger shell and pass through outlet collector, corresponds to company It is connected in heat transferring medium outlet, purging air channel, the pincushion screen plate is additionally provided on the pincushion screen plate heat transfer plate Heat transfer plate is provided with purging air import corresponding with purging air channel, and the purging air import protrusion is set to heat exchanger Housing simultaneously passes through purging air inlet header and is correspondingly connected on air inlet.
2. pincushion screen plate according to claim 1 is uniformly into the powder flow heat exchanger of outlet, it is characterised in that:It is described to blow Air intlet is swept to be set between outlet and inlet tube.
3. pincushion screen plate according to claim 1 is uniformly into the powder flow heat exchanger of outlet, it is characterised in that:It is described to blow It sweeps and multiple purging air holes is correspondingly arranged on air duct.
4. pincushion screen plate according to claim 1 is uniformly into the powder flow heat exchanger of outlet, it is characterised in that:It is described to blow Air duct is swept to include lateral concave structure and E types structure but be not limited to above two structure.
5. pincushion screen plate according to claim 4 is uniformly into the powder flow heat exchanger of outlet, it is characterised in that:The E The pincushion web plate of the pincushion screen plate heat transfer plate of the purging air channel of type structure and the purging air channel of lateral concave structure Formula heat transfer plate correspondence is spaced apart setting.
6. pincushion screen plate according to claim 5 is uniformly into the powder flow heat exchanger of outlet, it is characterised in that:The E The longitudinal end of the purging air channel of the purging air channel of type structure and lateral concave structure, which flushes, to be set up in parallel, and transverse end is handed over Mistake is arranged at intervals, while purging air hole dislocation arrangement.
CN201711347502.1A 2017-12-15 2017-12-15 Pillow-shaped mesh plate type powder flow heat exchanger capable of uniformly feeding and discharging air Active CN108131932B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711347502.1A CN108131932B (en) 2017-12-15 2017-12-15 Pillow-shaped mesh plate type powder flow heat exchanger capable of uniformly feeding and discharging air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711347502.1A CN108131932B (en) 2017-12-15 2017-12-15 Pillow-shaped mesh plate type powder flow heat exchanger capable of uniformly feeding and discharging air

Publications (2)

Publication Number Publication Date
CN108131932A true CN108131932A (en) 2018-06-08
CN108131932B CN108131932B (en) 2023-10-03

Family

ID=62389521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711347502.1A Active CN108131932B (en) 2017-12-15 2017-12-15 Pillow-shaped mesh plate type powder flow heat exchanger capable of uniformly feeding and discharging air

Country Status (1)

Country Link
CN (1) CN108131932B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108826942A (en) * 2018-07-27 2018-11-16 苏州协宏泰节能科技有限公司 A kind of powder flow heat pump dryer
CN109105484A (en) * 2018-08-17 2019-01-01 安徽贝通智能科技有限公司 The board-like drying means of grain heat-drying
CN109489447A (en) * 2018-12-18 2019-03-19 常州百利锂电智慧工厂有限公司 The cooling equipment of powder body material production line
CN110319680A (en) * 2019-07-29 2019-10-11 瀚能(苏州)节能科技有限公司 A kind of dry cooling integrated machine of continuous scraper-type
CN110360830A (en) * 2019-08-13 2019-10-22 瀚能(苏州)节能科技有限公司 A kind of totally-enclosed powder flow heat pump drier
CN112728885A (en) * 2021-01-25 2021-04-30 安徽燃博智能科技有限公司 Combined heat exchange type drying device with high heat capacity
CN112728887A (en) * 2021-01-25 2021-04-30 安徽燃博智能科技有限公司 High-temperature combined heat exchange type drying device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE594486A (en) * 1959-09-03 1960-12-16 Prerovske Strojirny Np Apparatus for preheating a pulverulent material, in particular a raw cement flour.
CN2357303Y (en) * 1998-11-13 2000-01-05 大连理工大学 Powder solid flow plate type heat-exchanger
CN101071037A (en) * 2007-06-08 2007-11-14 李宏才 Alpha-sulfonated fatty acid ester salt drying device
CN104132525A (en) * 2014-08-13 2014-11-05 北京广厦环能科技有限公司 Powder material drying and cooling integrated device
CN207688594U (en) * 2017-12-15 2018-08-03 苏州协宏泰节能科技有限公司 A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE594486A (en) * 1959-09-03 1960-12-16 Prerovske Strojirny Np Apparatus for preheating a pulverulent material, in particular a raw cement flour.
CN2357303Y (en) * 1998-11-13 2000-01-05 大连理工大学 Powder solid flow plate type heat-exchanger
CN101071037A (en) * 2007-06-08 2007-11-14 李宏才 Alpha-sulfonated fatty acid ester salt drying device
CN104132525A (en) * 2014-08-13 2014-11-05 北京广厦环能科技有限公司 Powder material drying and cooling integrated device
CN207688594U (en) * 2017-12-15 2018-08-03 苏州协宏泰节能科技有限公司 A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108826942A (en) * 2018-07-27 2018-11-16 苏州协宏泰节能科技有限公司 A kind of powder flow heat pump dryer
CN109105484A (en) * 2018-08-17 2019-01-01 安徽贝通智能科技有限公司 The board-like drying means of grain heat-drying
CN109489447A (en) * 2018-12-18 2019-03-19 常州百利锂电智慧工厂有限公司 The cooling equipment of powder body material production line
CN110319680A (en) * 2019-07-29 2019-10-11 瀚能(苏州)节能科技有限公司 A kind of dry cooling integrated machine of continuous scraper-type
CN110360830A (en) * 2019-08-13 2019-10-22 瀚能(苏州)节能科技有限公司 A kind of totally-enclosed powder flow heat pump drier
CN110360830B (en) * 2019-08-13 2024-05-17 瀚能(苏州)节能科技有限公司 Totally-enclosed powder flow heat pump dryer
CN112728885A (en) * 2021-01-25 2021-04-30 安徽燃博智能科技有限公司 Combined heat exchange type drying device with high heat capacity
CN112728887A (en) * 2021-01-25 2021-04-30 安徽燃博智能科技有限公司 High-temperature combined heat exchange type drying device

Also Published As

Publication number Publication date
CN108131932B (en) 2023-10-03

Similar Documents

Publication Publication Date Title
CN108131932A (en) A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet
CN105387713B (en) Drying box and drying machine for drying machine
CN105402999A (en) Mechanical steam recompression type vacuum tube bundle drying system
CN113124654A (en) Energy-saving emission-reducing grain dryer
CN207688594U (en) A kind of pincushion screen plate is uniformly into the powder flow heat exchanger of outlet
CN107576217B (en) Screen plate type powder flow heat exchanger
CN101981400A (en) Device and method for drying moving webs of material
CN207262893U (en) A kind of canal drier
CN103900370B (en) Microwave heating tunnel's drying baker
CN202836066U (en) Drying machine of fluidized bed and drying system of the same
CN112902657A (en) Molybdenum oxide roasting system
KR102384141B1 (en) Drying method and drying system using horizontal rotary dryer
CN102721030A (en) Comprehensive recycling system of heat energy of yellow phosphorus furnace and working method thereof
CN109442960B (en) Method and device for drying granular materials
CN203980833U (en) A kind of blue charcoal drying equipment
CN207395540U (en) A kind of screen plate powder flow heat exchanger
CN103968690B (en) The removable particle heat exchanger of plate
CN205245766U (en) A drying cabinet and desiccator for desiccator
CN207147191U (en) A kind of foodstuff drying device even distribution heating cycling mechanism
CN115029658A (en) Neodymium iron boron washs stoving equipment of bluing
CN203980831U (en) A kind of blue charcoal drying equipment
CN207375936U (en) A kind of tunnel sterilizing and drying machine
CN203216215U (en) Fixed bed lignite dryer
CN209365185U (en) A kind of cooling sheeter roller of ventilation type suitable for powdery paints production line
CN207523199U (en) drying oven heating structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant