CN101372753B - Fluidized material feeding device - Google Patents

Fluidized material feeding device Download PDF

Info

Publication number
CN101372753B
CN101372753B CN2007100125562A CN200710012556A CN101372753B CN 101372753 B CN101372753 B CN 101372753B CN 2007100125562 A CN2007100125562 A CN 2007100125562A CN 200710012556 A CN200710012556 A CN 200710012556A CN 101372753 B CN101372753 B CN 101372753B
Authority
CN
China
Prior art keywords
fluidization hopper
hopper
fluidization
material feeding
fluidized material
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.)
Active
Application number
CN2007100125562A
Other languages
Chinese (zh)
Other versions
CN101372753A (en
Inventor
曹成山
刘雅锋
赵劲松
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.)
Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd
Original Assignee
Shenyang Aluminum and Magnesium Engineering and Research Institute 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 Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd filed Critical Shenyang Aluminum and Magnesium Engineering and Research Institute Co Ltd
Priority to CN2007100125562A priority Critical patent/CN101372753B/en
Priority to MYPI2010000780A priority patent/MY153501A/en
Priority to PCT/CN2008/001498 priority patent/WO2009026784A1/en
Priority to SA8290526A priority patent/SA08290526B1/en
Publication of CN101372753A publication Critical patent/CN101372753A/en
Application granted granted Critical
Publication of CN101372753B publication Critical patent/CN101372753B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/14Devices for feeding or crust breaking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

The invention discloses a powdery material feeding device, in particular to a quantitative feeding device for alumina powder in an aluminum electrolysis flue-gas purification system. A fluidized feeding device has the structure as follows: a fluidized feed box (5) and a potential fluidized feed box (4) are connected by pore plates (14) with lower parts perforated; the potential fluidized feed box (4) is communicated with a feed bin (1); the fluidized feed box (5) is communicated with a discharge box (12); the fluidized feed box (5) and the potential fluidized feed box (4) are provided with air inlets (10). The invention realizes the aim of evenly and stably feeding, and has the advantages of excellent performance of environmental protection, simple structure and easy operation and management.

Description

A kind of fluidized material feeding device
Technical field
The present invention relates to a kind of granular material charging gear, relate in particular to a kind of metering device of alumina powder in the aluminum electrolysis flue gas purification system.
Background technology
Adopting the HF in the alumina adsorption aluminium electrolytic flue is the universal method that aluminium electrolytic flue is administered, and adding aluminium oxide uniformly and stably in aluminium electrolytic flue is the key factor that improves purification efficiency.Though adopt disk feeder or star-shaped feeding machine can realize above-mentioned requirements, because sealing and wear problem bring certain negative effect to production.Utilize air-driven chute to replace disk feeder or star-shaped feeding machine can solve sealing and wear problem, but the homogeneity of its feed and degree of stability are not ideal enough again.The factor that influences the air-driven chute feeding coal is a lot, the degree of stability of material and feed homogeneity and the degree of stability that the air content size all directly influences air-driven chute in fluidization degree, the feed bin.
Along with environmental protection standard and more and more higher to environmental requirement, further improve feed homogeneity and degree of stability, the purification efficiency that improves HF is had great importance.
Summary of the invention
Technical matters to be solved by this invention provides a kind of uniform and stable fluidized material feeding device of granular material, and it is simple in structure, easy operating, maintenance and management.
For solving the problems of the technologies described above, the present invention is achieved in that a kind of fluidized material feeding device, its structure is as follows: the fluidization hopper is connected with the orifice plate that latent fluidization hopper connects through the bottom, the fluidization hopper of diving is connected with feed bin, the fluidization hopper is connected with nesting box, offers admission port on fluidization hopper and the latent fluidization hopper.
The lower end of described fluidization hopper and latent fluidization hopper respectively is provided with an admission port.
Be provided with gate valve in the described nesting box, drainage conduit links to each other with nesting box, and flow instrument places on the drainage conduit, is used for being arranged on outside the nesting box according to the electric actuator of flow instrument control gate valve, and is connected with gate valve with flow instrument.
Described latent fluidization hopper communicates with feed bin by shutoff valve.
Described latent fluidization hopper and feed bin are Bolt Connection.
The upper end of described fluidization hopper and latent fluidization hopper is provided with exhausr port, or the wainscot of fluidization hopper and latent fluidization hopper is whole or local with containing metal filtrate plate formation.
The orifice plate that the bottom connects is set in described fluidization hopper and latent fluidization hopper, and the quantity of orifice plate is 1-10.
The upper end or the sidepiece of described fluidization hopper and latent fluidization hopper are provided with inspection door.
The lower end of described fluidization hopper and latent fluidization hopper is provided with sighthole.
The bottom of described fluidization hopper and latent fluidization hopper is provided with air permeable plate.
Termination for linear fashion configuration, fluidization hopper between described fluidization hopper and the latent fluidization hopper disposes nesting box.
Be linear fashion configuration, fluidization hopper right side configuration nesting box between described fluidization hopper and the latent fluidization hopper.
Be linear fashion configuration, fluidization hopper left side configuration nesting box between described fluidization hopper and the latent fluidization hopper.
Described fluidization hopper is arranged on the left side of the fluidization hopper of diving, fluidization hopper termination configuration nesting box.
Described fluidization hopper is arranged on the right side of the fluidization hopper of diving, fluidization hopper termination configuration nesting box.
Described fluidization hopper is arranged on the left side of the fluidization hopper of diving, fluidization hopper left side configuration nesting box.
Described fluidization hopper is arranged on the right side of the fluidization hopper of diving, fluidization hopper right side configuration nesting box.
Described fluidization hopper is arranged on the left side of the fluidization hopper of diving, fluidization hopper right side configuration nesting box.
Described fluidization hopper is arranged on the right side of the fluidization hopper of diving, fluidization hopper left side configuration nesting box.
Described fluidization hopper and on the right side of diving the fluidization hopper, fluidization hopper termination configuration nesting box.
Described fluidization hopper and in the left side of diving the fluidization hopper, fluidization hopper termination configuration nesting box.
Described fluidization hopper and on the right side of diving the fluidization hopper, fluidization hopper left side configuration nesting box.
Described fluidization hopper and in the left side of diving the fluidization hopper, fluidization hopper right side configuration nesting box.
Advantage of the present invention and effect are as follows:
The present invention adopts two sections fluidization hoppers, and first section is the fluidization hopper of diving, and is generally the state of being crowded with.Second section is the fluidization hopper, is generally the non-state of being crowded with.On second section fluidization hopper, be provided with the discharge gate valve, the discharge gate valve is controlled by electric actuator, drainage conduit is provided with flow instrument, electric actuator is adjusted the opening of discharge gate valve according to the signal of flow instrument, thereby realize the purpose of uniform and stable feed, and the feature of environmental protection is good, and it is simple in structure, easy operating and management.
Description of drawings
Fig. 1 is the fluidized material feeding device structural representation.
Fig. 2 a is the structural representation that latent fluidization hopper and the configuration of fluidization hopper linear fashion, fluidization hopper termination dispose nesting box.
Fig. 2 b is the structural representation that latent fluidization hopper and the configuration of fluidization hopper linear fashion, fluidization hopper right side dispose nesting box.
Fig. 2 c is the structural representation that latent fluidization hopper and the configuration of fluidization hopper linear fashion, fluidization hopper left side dispose nesting box.
Fig. 3 a is the fluidization hopper left side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper termination configuration nesting box.
Fig. 3 b is the fluidization hopper right side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper termination configuration nesting box.
Fig. 3 c is the fluidization hopper left side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper left side configuration nesting box.
Fig. 3 d is the fluidization hopper right side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper right side configuration nesting box.
Fig. 3 e is the fluidization hopper left side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper right side configuration nesting box.
Fig. 3 f is the fluidization hopper right side that is arranged on the fluidization hopper of diving, the structural representation of fluidization hopper left side configuration nesting box.
Fig. 4 a is fluidization hopper and the structural representation that disposes nesting box in the right side of diving the fluidization hopper, fluidization hopper termination.
Fig. 4 b is fluidization hopper and the structural representation that disposes nesting box in the left side of diving the fluidization hopper, fluidization hopper termination.
Fig. 4 c fluidization hopper and on the right side of diving the fluidization hopper, the structural representation of fluidization hopper left side configuration nesting box.
Fig. 4 d is fluidization hopper and the structural representation that disposes nesting box on the left side of diving the fluidization hopper, fluidization hopper right side.
Among the figure, 1. feed bin, 2. shutoff valve, 3. inlet point, 4. dive fluidization hopper, 5. fluidization hopper, 6. gate valve, 7. electric actuator, 8. flow instrument, 9. air permeable plate, 10. admission port, 11. exhausr ports, 12. nesting box, 13. drainage conduit, 14. orifice plates, 15. inspection doors, 16. sightholes.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further details, but protection scope of the present invention is not limited by embodiment.
As shown in Figure 1, structure of the present invention is as follows: the fluidization hopper 4 of diving communicates with feed bin 1 by shutoff valve 2, and the lower end of shutoff valve 2 is an inlet point 3, and its connecting mode is a Bolt Connection, and shutoff valve 2 is a normally open, closes when system overhaul.Fluidization hopper 5 is separated by with the orifice plate 14 that latent fluidization hopper 4 usefulness bottoms connect and is connected.The bottom of fluidization hopper 5 and latent fluidization hopper 4 is provided with air permeable plate 9.Gate valve 6 places in the nesting box 12 and links to each other with fluidization hopper 5, drainage conduit 13 links to each other with nesting box, flow instrument 8 places on the drainage conduit 13, the control that electric actuator 7 realizes feeding coal according to flow instrument 8 control gate valves 6, electric actuator 7 is arranged on outside the nesting box 12 and with flow instrument 8 and is connected with gate valve 6.The wainscot of fluidization hopper 5 and latent fluidization hopper 4 can be all or is locally constituted with containing metal filtrate plate, and this structure can not be provided with exhausr port 11.The upper end of fluidization hopper 5 and latent fluidization hopper 4 or sidepiece are provided with inspection door 15, are used to clear up hopper inside.The lower end of fluidization hopper 5 and latent fluidization hopper 4 is provided with sighthole 16, is used to check, clear up the air chamber of air permeable plate 9 bottoms.
The orifice plate that the bottom connects also is set in above-mentioned latent fluidization hopper and fluidization hopper, and the quantity of orifice plate is 1-10, and be about to dive fluidization hopper and fluidization hopper are divided into multistage.
Below the connection mode of the latent fluidization hopper 4 of the present invention with fluidization hopper 5 is elaborated.
Shown in Fig. 2 a, the termination for linear fashion configuration, fluidization hopper 5 between fluidization hopper 5 and the latent fluidization hopper 4 disposes nesting box 12.Shown in Fig. 2 b, be linear fashion configuration, fluidization hopper 5 right sides configuration nesting box 12 between fluidization hopper 5 and the latent fluidization hopper 4.Shown in Fig. 2 c, be linear fashion configuration, fluidization hopper 5 left sides configuration nesting box 12 between fluidization hopper 5 and the latent fluidization hopper 4.Shown in Fig. 3 a, fluidization hopper 5 is arranged on the left side of the fluidization hopper 4 of diving, fluidization hopper 5 terminations configuration nesting box 12.Shown in Fig. 3 b, fluidization hopper 5 is arranged on the right side of the fluidization hopper 4 of diving, fluidization hopper 5 terminations configuration nesting box 12.Shown in Fig. 3 c, fluidization hopper 5 is arranged on the left side of the fluidization hopper 4 of diving, fluidization hopper 5 left sides configuration nesting box 12.Shown in Fig. 3 d, fluidization hopper 5 is arranged on the right side of the fluidization hopper 4 of diving, fluidization hopper 5 right sides configuration nesting box 12.Shown in Fig. 3 e, fluidization hopper 5 is arranged on the left side of the fluidization hopper 4 of diving, fluidization hopper 5 right sides configuration nesting box 12.Shown in Fig. 3 f, fluidization hopper 5 is arranged on the right side of the fluidization hopper 4 of diving, fluidization hopper 5 left sides configuration nesting box 12.Shown in Fig. 4 a, fluidization hopper 5 is arranged on the right side of the fluidization hopper 4 of diving, fluidization hopper 5 terminations configuration nesting box 12.Shown in Fig. 4 b, fluidization hopper 5 is arranged on the left side of the fluidization hopper 4 of diving, fluidization hopper 5 terminations configuration nesting box 12.Shown in Fig. 4 c, fluidization hopper 5 is arranged on the right side of the fluidization hopper 4 of diving, fluidization hopper 5 left sides configuration nesting box 12.Shown in Fig. 4 d, fluidization hopper 5 is arranged on the left side of the fluidization hopper 4 of diving, fluidization hopper 5 right sides configuration nesting box 12.

Claims (24)

1. fluidized material feeding device, it is characterized in that structure is as follows: fluidization hopper (5) is connected with the orifice plate (14) that the bottom connects with latent fluidization hopper (4), the fluidization hopper (4) of diving is connected with feed bin (1), fluidization hopper (5) is connected with nesting box (12), offers admission port (10) on fluidization hopper (5) and the latent fluidization hopper (4).
2. fluidized material feeding device according to claim 1 is characterized in that the lower end of described latent fluidization hopper (4) and fluidization hopper (5) respectively is provided with admission port (10).
3. fluidized material feeding device according to claim 1, it is characterized in that being provided with in the described nesting box (12) gate valve (6), drainage conduit (13) links to each other with nesting box (12), flow instrument (8) places on the drainage conduit (13), be used for being arranged on outside the nesting box (12) according to the electric actuator (7) of flow instrument (8) control gate valve (6), electric actuator (7) is connected with gate valve (6) with flow instrument (8).
4. fluidized material feeding device according to claim 1 is characterized in that described latent fluidization hopper (4) communicates with feed bin (1) by shutoff valve (2).
5. fluidized material feeding device according to claim 1 is characterized in that being between described latent fluidization hopper (4) and the feed bin (1) Bolt Connection.
6. fluidized material feeding device according to claim 1 is characterized in that the upper end of described fluidization hopper (5) and latent fluidization hopper (4) is provided with exhausr port (11).
7. fluidized material feeding device according to claim 1 is characterized in that the wainscot of described fluidization hopper (5) and latent fluidization hopper (4) can be all or locally constitute with containing metal filtrate plate.
8. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that being provided with the orifice plate that the bottom connects in described latent fluidization hopper (4) and fluidization hopper (5), the quantity of orifice plate is 1-10.
9. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that the upper end of described fluidization hopper (5) and latent fluidization hopper (4) or sidepiece are provided with inspection door (15).
10. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that the lower end of described fluidization hopper (5) and latent fluidization hopper (4) is provided with sighthole (16).
11., it is characterized in that the bottom of described fluidization hopper (5) and latent fluidization hopper (4) is provided with air permeable plate (9) according to claim 1,6 or 7 described fluidized material feeding devices.
12., it is characterized in that the termination for linear fashion configuration, fluidization hopper (5) disposes nesting box (12) between described fluidization hopper (5) and the latent fluidization hopper (4) according to claim 1,6 or 7 described fluidized material feeding devices.
13., it is characterized in that being between described fluidization hopper (5) and the latent fluidization hopper (4) linear fashion configuration, fluidization hopper (5) right side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
14., it is characterized in that being between described fluidization hopper (5) and the latent fluidization hopper (4) linear fashion configuration, fluidization hopper (5) left side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
15., it is characterized in that described fluidization hopper (5) is arranged on the left side of the fluidization hopper (4) of diving, fluidization hopper (5) termination configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
16., it is characterized in that described fluidization hopper (5) is arranged on the right side of the fluidization hopper (4) of diving, fluidization hopper (5) termination configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
17., it is characterized in that described fluidization hopper (5) is arranged on the left side of the fluidization hopper (4) of diving, fluidization hopper (5) left side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
18., it is characterized in that described fluidization hopper (5) is arranged on the right side of the fluidization hopper (4) of diving, fluidization hopper (5) right side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
19., it is characterized in that described fluidization hopper (5) is arranged on the left side of the fluidization hopper (4) of diving, fluidization hopper (5) right side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
20., it is characterized in that described fluidization hopper (5) is arranged on the right side of the fluidization hopper (4) of diving, fluidization hopper (5) left side configuration nesting box (12) according to claim 1,6 or 7 described fluidized material feeding devices.
21. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that described fluidization hopper (5) and, fluidization hopper (5) termination configuration nesting box (12) on the right side of diving fluidization hopper (4).
22. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that described fluidization hopper (5) and, fluidization hopper (5) termination configuration nesting box (12) in the left side of diving fluidization hopper (4).
23., it is characterized in that described fluidization hopper (5) and, dispose nesting box (12) on the left of the fluidization hopper (5) on the right side of diving fluidization hopper (4) according to claim 1,6 or 7 described fluidized material feeding devices.
24. according to claim 1,6 or 7 described fluidized material feeding devices, it is characterized in that described fluidization hopper (5) and, fluidization hopper (5) right side configuration nesting box (12) in the left side of diving fluidization hopper (4).
CN2007100125562A 2007-08-23 2007-08-23 Fluidized material feeding device Active CN101372753B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2007100125562A CN101372753B (en) 2007-08-23 2007-08-23 Fluidized material feeding device
MYPI2010000780A MY153501A (en) 2007-08-23 2008-08-19 Fluidization-type feeder
PCT/CN2008/001498 WO2009026784A1 (en) 2007-08-23 2008-08-19 Material fluidizing feed apparatus
SA8290526A SA08290526B1 (en) 2007-08-23 2008-08-23 Quantitative Feeder for Alumina Powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007100125562A CN101372753B (en) 2007-08-23 2007-08-23 Fluidized material feeding device

Publications (2)

Publication Number Publication Date
CN101372753A CN101372753A (en) 2009-02-25
CN101372753B true CN101372753B (en) 2011-08-31

Family

ID=40386668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007100125562A Active CN101372753B (en) 2007-08-23 2007-08-23 Fluidized material feeding device

Country Status (4)

Country Link
CN (1) CN101372753B (en)
MY (1) MY153501A (en)
SA (1) SA08290526B1 (en)
WO (1) WO2009026784A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225090B (en) * 2012-01-31 2016-10-05 贵阳铝镁设计研究院有限公司 Energy-conservation self-boiling point feeding device
CN105325309A (en) 2015-10-12 2016-02-17 方剑 Forage feeder using motor to control elevation
CN105239100A (en) * 2015-11-17 2016-01-13 四川华索自动化信息工程有限公司 Quantitative buffer type feeding device of aluminum electrolysis cell
CN105239101A (en) * 2015-11-17 2016-01-13 四川华索自动化信息工程有限公司 Quantitative voltage stabilization type feeding device for aluminium electrolysis cell
CN105239099A (en) * 2015-11-17 2016-01-13 四川华索自动化信息工程有限公司 Quantitative multi-stage protection type feeding device of aluminum cell
CN108787045B (en) * 2018-08-01 2023-12-12 河南黎明重工科技股份有限公司 Vertical mill feeding chute device with fluidization function
CN117822056B (en) * 2024-01-04 2024-10-11 北京中金研新材料科技有限公司 Device for producing high-purity metal by fused salt electrolysis method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382881B1 (en) * 1998-05-11 2002-05-07 Aluminium Pechiney Process for conveyance of powder materials in a hyperdense bed and potential fluidization device for embodiment of this process
CN2670300Y (en) * 2004-01-13 2005-01-12 包铝股份公司电解三公司 Sand filter for alumina super concentrative phase conveying
CN2811327Y (en) * 2005-04-26 2006-08-30 贵阳铝镁设计研究院 Impurity removing device for alumina super dense phase conveying system
CN201092485Y (en) * 2007-09-20 2008-07-30 沈阳铝镁设计研究院 Fluidized feeding apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1198962A (en) * 1997-05-13 1998-11-18 中国科学院化工冶金研究所 Fluid bed reactor for gas-solid phase processing of superfine particle
CN1778997A (en) * 2004-11-25 2006-05-31 贵阳铝镁设计研究院 Impurities removing method and apparatus for ultra-concentrated aluminium oxide transferring system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382881B1 (en) * 1998-05-11 2002-05-07 Aluminium Pechiney Process for conveyance of powder materials in a hyperdense bed and potential fluidization device for embodiment of this process
CN2670300Y (en) * 2004-01-13 2005-01-12 包铝股份公司电解三公司 Sand filter for alumina super concentrative phase conveying
CN2811327Y (en) * 2005-04-26 2006-08-30 贵阳铝镁设计研究院 Impurity removing device for alumina super dense phase conveying system
CN201092485Y (en) * 2007-09-20 2008-07-30 沈阳铝镁设计研究院 Fluidized feeding apparatus

Also Published As

Publication number Publication date
MY153501A (en) 2015-02-27
SA08290526B1 (en) 2012-10-01
CN101372753A (en) 2009-02-25
WO2009026784A1 (en) 2009-03-05

Similar Documents

Publication Publication Date Title
CN101372753B (en) Fluidized material feeding device
CN101792069B (en) Pneumatic conveyer
CN203568486U (en) Pneumatic conveying device
CN202203428U (en) Program-controlled pneumatic gate valve
CN102923484A (en) Positive and negative pressure combined type dense phase powder material pneumatic conveying device
CN201125092Y (en) Short stage dust conveying facility for dry type dust removing equipment
CN201092485Y (en) Fluidized feeding apparatus
CN202935945U (en) Positive-negative pressure combination type pneumatic conveying device for dense-phase powder materials
CN202848659U (en) Pulverized coal stable feeding intermediate bunker device for pulverized coal bunker feeding system
CN205055661U (en) Gas tank pulse -jet bag dust collector
CN204549457U (en) Fluidization storehouse in parallel transport pump system
CN201002849Y (en) Gas-locked bunker
CN201056485Y (en) High-concentration ore slurry distribution box
CN102949891A (en) Side-spray low-pressure-impulse bag-type dust collector
CN209553564U (en) Powder feeding device
CN201720931U (en) Drawer type continuous sealing discharge and feed valve
CN208893809U (en) Powder automatic dust-free feeding system
CN212355782U (en) Pulping system based on bin pump
CN202884130U (en) Electric-hydraulic conical double-layer cinder valve
CN201424610Y (en) Slurry conditioning and mixing box
CN202935859U (en) Embedded scraper transporter for double-way transportation
CN2670300Y (en) Sand filter for alumina super concentrative phase conveying
CN103803244A (en) Embedded scraper conveyor for two-way conveying
CN207550991U (en) A kind of hopper and feeding equipment
CN206156358U (en) Negative pressure ash conveying system of thermal power plant and malleation ash conveying system combine running device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant