CN103765007A - Membrane dust-pumping system - Google Patents
Membrane dust-pumping system Download PDFInfo
- Publication number
- CN103765007A CN103765007A CN201280017471.2A CN201280017471A CN103765007A CN 103765007 A CN103765007 A CN 103765007A CN 201280017471 A CN201280017471 A CN 201280017471A CN 103765007 A CN103765007 A CN 103765007A
- Authority
- CN
- China
- Prior art keywords
- dust
- pressure
- diaphragm
- locking mechanism
- pipeline
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
- F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
- F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Transport Of Granular Materials (AREA)
- Reciprocating Pumps (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a technology for pressurizing dust. The dust is fed from a storage hopper of a feeding device, the storage hopper being at ambient pressure. In the feeding device, the dust is pressurized by introducing high-pressure inert gas and fed to a high-pressure apparatus. By means of a hydraulically deflected membrane in the feeding device, the remaining volume to be relaxed after the dust sluicing and the consumption of inert gas are minimized.
Description
Technical field
The present invention relates to a kind of diaphragm pump for pneumatically pressure conveying dust and a kind of for carry the method for dust at dust leading device pressure.
The application's theme relates to a kind of diaphragm-dust pump-system, and described diaphragm-dust pump-system can be incorporated into dust in the system operating under the operating pressure raising from the container moving under external pressure.
Background technique
Requirement in many technique processes is pneumatically carried dust under the stress level raising.This for example has when pressure for vaporization reaches and surpass 4Mpa (40bar) by pneumatic dust and imports and carry out coal dust vaporization, combustible powder be pneumatically ejected in the air port of shaft furnace (as the blast furnace for the production of the pig iron) or pneumatically carry dust to pass through farther distance, wherein transport box must be pressurized in order to overcome on the necessary operating pressure of the delivery line pressure loss.
According to prior art, especially at the higher operating pressure of application, during the operating pressure of necessity, use and introduce gate system when at coal dust pressure gasfication, as at " NOELL-KONVERSIONSVERFAHREN ZUR VERWERTUNG UND ENTSORGUNG VON
" EF-Verlag f ü r Energie-und Umwelttechnik GmbH, 1996, Seite34 (as in " for utilizing and remove the Nore conversion method of chip "; the energy and environmental science and technology Co., Ltd; EF publishing house,, the 34th page in 1996) is described.At this, combustion powder is imported and is introduced gate by storage bin under external pressure, and described introducing gate is pressurized to the measuring container that is arranged under it or the operating pressure of transport box by importing uncondensable inert gas when connecting.While needing dust in measuring container or transport box, current combustion powder under required pressure is transported to described measuring container or transport box from introducing gate by gravity transfer.
In the bottom of measuring container or transport box, by importing the liquefied gas of same inertia, form local eddy currents layer, one or more dust delivery line immerses in described backset bed.By between the receiver at measuring container and combustion powder, for example vaporization reactor, pressure difference being set, combustion powder flows to described vaporization reactor as the dust-gas suspension with high solid load.This conveying and measurment technique have a series of shortcomings.First this relate to the discontinuity operation of introducing gate.After introducing gate is filled dust under pressure-less state, by importing inert gas, this introducing gate is pressurized to the operating pressure needing, under this pressure, this introducing gate is emptied in measuring container or transport box and after it is depressured under external pressure and refills dust.Under high measurement efficiency, in order more or less to need a plurality of introducing gates with dust supply measuring container continuously.Other shortcomings be for introduce gate pressurization a large amount of gas demands and for purifying the cost of step-down gas.
In DE10353968A1, proposed a kind ofly by a small quantity or not by feedway and the delivery method of liquefied compressed air delivery coated powder, wherein the hydraulic loaded by hose type diaphragm (Schlauchmembran) makes below raise from the pumping pressure of suction.
By CH466134A, disclosed a kind ofly for pneumatically carrying the method and apparatus of dust-like and particulate material, wherein by being applied to power on diaphragm, having realized pressure-loaded in diaphragm pump and have material to be conveyed.In pump chamber, can arrange that ventilative diaphragm is used for being blown into scavenging gas.So the stroke capacity of design diaphragm, makes only to exist minimum air by gap, thereby does not increase harmful space and therefore reduce accessible pressure.With respect to the method for knowing by the conveying of less gas flow owing to diaphragm pump.
Summary of the invention
Problem to be solved by this invention is, improves dust drawing-in system, thus the problem of saving gate and being caused by gate step-down, and significantly reduce for dust is incorporated into the needed inert gas of pressure system.
This problem can solve as in DE102008009679A1.At this, piston is used as to extruder.Yet this has following shortcoming, the in the situation that and dust large in pressure difference being meticulous, to anticipate the sharp wear on piston and piston seal.In addition, owing to will anticipate the sharp wear at locking mechanism place of the ingress of high-pressure installation from the contrary pressurization (R ü ckbespannung) of pipeline section that is filled with the high-pressure installation of dust.In addition infer, by dust space impact type ground one side is pressurizeed and may be occurred the densification of dust.
This problem is by carrying the method for dust to solve by diaphragm pump claimed in claim 1 and by the pressure in dust leading device described in claim 16.
The present invention significantly reduces required superheated steam.
In pressing other design proposals of diaphragm pump of the present invention, the other end of step-down pipeline (10) is connected on storage bin (14).This measure has realized a kind of for load the scheme of the low cost of dust by the superheated steam of inertia at storage bin.
By in other design proposals of diaphragm pump of the present invention, by gravity transfer, dust is transported in the gate container (1) that is arranged in storage bin below.This measure has realized a kind of for fill the scheme of the low cost of gate container (1) with dust.
In pressing other design proposals of diaphragm pump of the present invention, filter element is matched with the volume of being vacated by the deflection of diaphragm at its vpg connection.This measure diminishes the minimum volume in dust region.
By in other design proposals of diaphragm pump of the present invention, filter element (5) is designed to large size.By what bring thus, with low flow velocity, import superheated steam and avoided the densification that becomes of dust in gate container (1).
In pressing other design proposals of diaphragm pump of the present invention, pressure pipeline (12) is connected with high-pressure installation (8).Avoid thus gas surplus in high-pressure installation (8).
In other design proposals, the pressure difference between storage bin and high-pressure installation overcomes by a plurality of leading devices of mutually arranging up and down.This measure has realized the distribution of the pressure difference between storage bin and high-pressure installation, has improved surmountable pressure difference and has improved pressure security.
In other design proposals, by a plurality of leading devices that are arranged in parallel, dust is transported to high-pressure installation from storage bin.By this measure, reach the raising of dust transfer efficiency.
In other design proposals, leading device operates in the mode of phase difference.By this measure equalization course of conveying.
The dust drawing-in system being operated by approximate continuous according to the discontinuous lockage process of prior art replaces.
In other design proposals, each two leading devices operate in series operation, the pressurization of a gate container (1) and the volume extruding of other gate containers of realizing by diaphragm (2) are carried out simultaneously.By this measure, reduce the impact on the pressure system of high-pressure installation.
By selecting the volume extruding in size relational implementation gate container suitable between gate container (1) and high-pressure installation (8), can significantly not affect the pressure system of high-pressure installation (8).
Other favourable improvement projects of the present invention provide in the dependent claims.
Accompanying drawing explanation
By accompanying drawing, in order to understand in needed scope, embodiments of the invention are being described in detail below.Wherein:
Fig. 1 illustrates for coal dust being transported to the dust drawing-in system of the equipment of high-pressure installation.
Embodiment
The dust being incorporated in the high-pressure installation (8) operating under the operating pressure raising is positioned at the storage bin (14) that is arranged in dust drawing-in system top.By gravity transfer, make the gate container (1) of high-pressure installation top be filled with dust.At this, can pass through the auxiliary dust of carrying of homeward journey of diaphragm (2), described diaphragm can be made and/or is flexible by elastic material.The gas that needs to be squeezed out from gate container at this is derived by the locking mechanism (11) of the unlatching step-down pipeline (10).Subsequently, the locking mechanism (7) in closed coal dust importing pipeline and the locking mechanism (11) in step-down pipeline.Next by the blocking-valve (13) of opening through needing in pressure pipeline, introducing high-pressure inert gas makes gate container (1) reach required pressure.By process, being designed to large-area filter element (5) introduces lentamente superheated steam avoided the dust compact densification that becomes in gate container (1).Once the pressure in gate container (1) reaches the pressure of high-pressure installation (8), with regard to the locking mechanism (9) of the locking mechanism in closed pressure pipeline (13) and unlatching high-pressure installation ingress.By gravity transfer, dust is transported to high-pressure installation (8) from gate container (1).At this, can pass through the auxiliary described conveying of compressional movement of diaphragm (2).By introducing through hydraulic pipe line (4) deflection that hydraulic fluid causes diaphragm.The hydraulic pressure deflection of diaphragm (2) makes described diaphragm decompression and operates.Once dust is emptied completely in high-pressure installation (1), just the complete deflection by diaphragm (2) minimizes the dust chamber volume of gate container (1).In making to remain in gate container (1) after dust is carried by described measure and the inert gas of under high pressure existence significantly minimize, reduce significantly thus the high-pressure inert gas consumption of dust drawing-in system.Next the locking mechanism of the ingress of closed high device (9).
Remain in inert gas in gate container current by opening locking mechanism (11) in step-down pipeline towards storage bin (14) step-down.
Along with the pressure balance reaching between gate container (1) and storage bin (14) finishes running circulation and can start next circulation.
For obtaining high introducing efficiency, the supply of a plurality of leading devices for measuring container or transport box can run parallel.Two this leading devices are exemplarily shown in Fig. 1.
At measuring container, by importing, according to the swirl gas of prior art, produce local backset bed in the bottom of transport box (1) in other words, by this backset bed, provide one or more delivery line.In order to maintain required and customer corresponding dust-like transported substance the pressure difference of receiver in other words, with the mode known and method, gas is imported to measuring container transport box or unnecessary gas is derived in other words.
According to two embodiments, further explain the present invention below.At this, take Fig. 1 as basis.
Embodiment 1:
This solution is, by the equipment spraying for coal dust, to the blast furnace for the production of the pig iron, provides the combustion powder amount up to 8Mg/h.Thus, to use the measuring container that is provided with two leading devices as shown in Figure 1.Consider about 0.6Mg/m
3volume density, per hour have packing volume to be introduced to be approximately 13.5m
3.Suppose, the lift of each leading device execution per minute in described two leading devices, reaches required volume when lift height (2.2) is for 0.28m when the diameter of diaphragm (2.1) is 1m.
The required operating pressure of described measuring container is 0.5 to 0.6Mpa (5-6bar) the order of magnitude in this embodiment.
Embodiment 2:
According to Fig. 1, this embodiment is set forth.This solution is, the powder drawing-in system by pneumatic running under the operating pressure of for example 4Mpa (40bar) provides vaporization powder to the reactor for gasifying burning powder.Reactor efficiency is 500MW.The coal dust amount of for this reason introducing is about 75Mg/h.When volume density is 0.6Mg/m
3time, it is equivalent to filling 125m per hour
3coal dust.
Correspondingly select in this embodiment six leading devices.Suppose, lift of each leading device execution per minute, when the diameter of diaphragm (2.1) is 1.5m, lift height (2.2) reaches required volume for 0.4m.
For the concept dust using in specification, be generally understood as granular material, particularly by inorganic material or organic material, as thering is the coal of different degrees of coalification, biomass or dry clout and waste material, also have lime and fine sand to carry out the dust that different granulations distributes.
For the concept inert gas using in specification, be interpreted as not the synthetic gas made by the vaporising device being connected to below containing 02 gas, particularly nitrogen, carbon dioxide, rock gas with ining addition with and any mixed gas.
Reference character
1 gate container, measuring body pump case
2 diaphragms
The diameter of 2.1 diaphragms
The lift height of 2.2 diaphragms
Diaphragm position during 3 maximum extruding
4 hydraulic pressure import and derive pipeline
5 for pressurizeing and the filter element of step-down
The dust of 6 storage bins imports pipeline
7 dust import the locking mechanism in pipeline
8 high-pressure installations
The locking mechanism of 9 high-pressure installation ingress
10 lead to the step-down pipeline of storage bin
Locking mechanism in 11 step-down pipelines
12 pressure pipelines
Locking mechanism in 13 pressure pipelines
14 storage bins
15 dust regions
16 loaded medium regions.
Claims (29)
1. for carry the diaphragm pump of dust at dust leading device pressure, particularly under the pressure of 0.5-0.6Mpa or 4Mpa, wherein
-storage bin (14) is provided, described storage bin is loaded with inert gas under external pressure, for storing dust,
-gate container (1) is provided, the volume of described gate container by diaphragm (2) by gas seal and hydraulic seal be separated into dust region (15) and loaded medium region (16),
The dust region of-described gate container (1) imports pipeline (6) by the entrance in upper area, locking mechanism (7) and dust and is connected with the dust stock of described storage bin and is connected with high-pressure installation (8) with locking mechanism (9) by the outlet in lower zone
-described loaded medium region is connected with importing and derivation pipeline (4) for loaded medium,
-step-down pipeline (10), one end of described step-down pipeline (10) is connected with described gate container (1) by filter element (5) and is inserted in a described locking mechanism (11),
-provide and passed through the pressure pipeline (12) that filter element (5) is connected with described gate container (1) with locking mechanism (13),
-described dust import locking mechanism (7) in pipeline (6) can a direct-open until the dust chamber of described gate container (2) is filled with dust,
-the inert gas that squeezes out from described gate container (2) at this can be derived by the locking mechanism (11) of described step-down pipeline (10) and described unlatching,
-at the described dust of closure, import locking mechanism (7) in pipeline (6) and the locking mechanism (11) in described step-down pipeline (10) afterwards, can by high-pressure inert gas, described dust chamber be pressurized to the pressure of described high-pressure installation (8) by the locking mechanism (13) of described pressure pipeline (12) and described unlatching
-after reaching the operating pressure of described high-pressure installation (8), described dust under pressure arrives by gravity transfer in described high-pressure installation (8) in the ingress of described high-pressure installation by the locking mechanism (9) of described unlatching,
-after dust is transported to described high-pressure installation (8) from described gate container (1), the locking mechanism (9) that described diaphragm (2) can move in the position of maximum extruding (3) and subsequently can closure lead to described high-pressure installation (8).
2. by diaphragm pump claimed in claim 1, it is characterized in that, the other end of described step-down pipeline (10) is connected on described storage bin (14).
3. by the diaphragm pump described in any one in the claims, it is characterized in that, described diaphragm (2) provides by pot type diaphragm.
4. by the diaphragm pump described in any one in the claims 1 to 2, it is characterized in that, described diaphragm (2) provides by disc type diaphragm.
5. by the diaphragm pump described in any one in the claims 1 to 2, it is characterized in that, described diaphragm (2) provides by hose type diaphragm.
6. by the diaphragm pump described in any one in the claims 1 to 2, it is characterized in that, described diaphragm (2) provides by having the piston of coiling diaphragm.
7. by the diaphragm pump described in any one in the claims, it is characterized in that, it is circular that described diaphragm is essentially.
8. by the diaphragm pump described in any one in the claims, it is characterized in that, described filter element mates with the described volume of being vacated by the deflection of diaphragm at its vpg connection.
9. by the diaphragm pump described in any one in the claims, it is characterized in that, described filter element is designed to large size.
10. by the diaphragm pump described in any one in the claims, it is characterized in that, described filter element is essentially annular.
11. by the diaphragm pump described in any one in the claims, it is characterized in that, described loaded medium provides by hydraulic fluid.
12. by the diaphragm pump described in any one in the claims 1 to 10, it is characterized in that, described loaded medium provides by gas.
13. by the diaphragm pump described in any one in the claims, it is characterized in that, described pressure pipeline (12) is connected with described high-pressure inert gas supply system.
14. by the diaphragm pump described in any one in the claims 1 to 12, it is characterized in that, described pressure pipeline (12) is connected with described high-pressure installation (8).
15. by the diaphragm pump described in any one in the claims, it is characterized in that, arranges a plurality of for dust being transported to the leading device of described high-pressure installation (8).
16. for carry the method for dust at dust leading device pressure, be particularly useful for implementing in the diaphragm pump by described in any one in claim 1 to 15,
Have
-storage bin (14), described storage bin is loaded with inert gas under external pressure, for storing dust,
-gate container (1), described gate container imports pipeline (6) by the entrance in upper area, locking mechanism (7) and dust and is connected with the dust stock of described storage bin and is connected with high-pressure installation (8) with locking mechanism (9) by the outlet in lower zone
-be arranged on the diaphragm (2) in described gate container (1),
-step-down pipeline (10), an end of described step-down pipeline is connected with described gate container (1) by filter element (5) and is inserted in a described locking mechanism (11),
-the pressure pipeline (12) that is connected with described gate container (1) with locking mechanism (13) by filter element (5),
Thereby
-described dust is imported to locking mechanism (7) one direct-opens in pipeline (6) until the dust chamber of described gate container (2) is filled with dust,
-the described inert gas that needs to be squeezed out from gate container (2) at this is derived by the locking mechanism (11) of described step-down pipeline (10) and described unlatching,
-at the described dust of closure, import locking mechanism (7) in pipeline (6) and the locking mechanism (11) in described step-down pipeline (10) afterwards, locking mechanism (13) by described pressure pipeline (12) and described unlatching is pressurized to described dust chamber by high-pressure inert gas the pressure of described high-pressure installation (8)
-after reaching the operating pressure of described high-pressure installation (8), described dust under pressure arrives by gravity transfer in described high-pressure installation (8) in the ingress of described high-pressure installation by the locking mechanism (9) of described unlatching,
-after dust is transported to described high-pressure installation (8) from described gate container (1), described diaphragm (2) is moved to maximum and push in the position of (3) and the locking mechanism (9) that closure is led to described high-pressure installation (8) subsequently.
17. by the method described in claim 16, it is characterized in that, by gravity transfer, described dust is transported in the gate container (1) that is arranged in described storage bin (14) below.
18. by the method for implementing at diaphragm pump described in any one in claim 16 to 17, it is characterized in that, by the opening movement of described diaphragm (2) assisted described dust from described storage bin (14) to described in be arranged in below gate container (1) gravity transfer.
19. by the method described in any one in the claims 16 to 18, it is characterized in that, by gravity transfer, described dust is transported in the high-pressure installation (8) that is arranged in described gate container (1) below.
20. by the method described in any one in the claims 16 to 19, it is characterized in that, by the compressional movement of described diaphragm (2) assisted described dust from described gate container (1) to described in be arranged in below high-pressure installation (8) gravity transfer.
21. by the method described in any one in the claims 16 to 20, it is characterized in that, so select the extruding space of described diaphragm (2) and the ratio between the compression volume of described gate container, thereby after the return movement of described diaphragm (2), when approaching external pressure, there is residual gas flow.
22. by the method described in any one in the claims 16 to 21, it is characterized in that, described in remain in gas flow in the gate container locking mechanism (11) by the unlatching in described filter element (5) and described step-down pipeline (10) and be depressured to external pressure.
23. by the method described in any one in the claims 16 to 22, it is characterized in that, described process circulation continuity.
24. by the method described in any one in the claims 16 to 23, it is characterized in that hydraulically deflection of described diaphragm (2).
25. by the method described in any one in the claims 16 to 24, it is characterized in that, describedly in the dust under pressure, arrives in described high-pressure installation (8) together with described superheated steam and imports subsequently dust customer.
26. by the method described in any one in the claims 16 to 25, it is characterized in that, described arrival together with described superheated steam in the dust under pressure in the described high-pressure installation (8) providing by injector and by being blown into carries gas to import customer.
27. by the method described in any one in the claims 16 to 26, it is characterized in that, a plurality of leading devices are provided, and described leading device works to same high-pressure installation (8) with phase difference.
28. by the method described in any one in the claims 16 to 27, it is characterized in that, each two leading devices, in series operation as than running, carry out the compressional movement of diaphragm (2) in the pressurization of the described gate container (1) in a leading device and another leading device simultaneously.
29. by the method described in any one in the claims 16 to 28, it is characterized in that, by a plurality of leading devices of mutually arranging up and down, overcomes the pressure difference between described storage bin (14) and described high-pressure installation (8).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011007066A DE102011007066A1 (en) | 2011-04-08 | 2011-04-08 | Membrane dust pump system |
| DE102011007066.4 | 2011-04-08 | ||
| PCT/EP2012/056302 WO2012136778A2 (en) | 2011-04-08 | 2012-04-05 | Membrane dust-pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103765007A true CN103765007A (en) | 2014-04-30 |
Family
ID=45974313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280017471.2A Pending CN103765007A (en) | 2011-04-08 | 2012-04-05 | Membrane dust-pumping system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140112802A1 (en) |
| CN (1) | CN103765007A (en) |
| DE (1) | DE102011007066A1 (en) |
| WO (1) | WO2012136778A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414282A (en) * | 2014-05-15 | 2017-02-15 | 诺信公司 | Dense phase pump diagnostics |
| CN108603498A (en) * | 2016-01-27 | 2018-09-28 | 西门子股份公司 | The diaphragm pump of dust suction from below |
| CN109790831A (en) * | 2016-08-25 | 2019-05-21 | 西门子股份公司 | The diaphragm type pump of aluminium filter with porous arching |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016216006A1 (en) | 2016-08-25 | 2018-03-01 | Siemens Aktiengesellschaft | Double membrane for a dust pump |
| DE102016216016A1 (en) | 2016-08-25 | 2018-03-15 | Siemens Aktiengesellschaft | Production of a porous aluminum filter for a membrane pump |
| CN106395385A (en) * | 2016-11-11 | 2017-02-15 | 航天长征化学工程股份有限公司 | Diaphragm type pulverized coal pressurized conveying system and conveying method |
| CN114658641B (en) * | 2022-05-24 | 2022-10-25 | 河南氢枫能源技术有限公司 | Automatic circulating device for oil circuit of compressor for hydrogenation station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH466134A (en) * | 1966-01-27 | 1968-11-30 | Leipzig Inst Foerdertech | Method and device for the pneumatic conveying of powdery and granular material |
| CN2049280U (en) * | 1988-06-28 | 1989-12-13 | 景德镇陶瓷学院 | Four-stage variable volume diaphragm pump |
| DE10353968A1 (en) * | 2003-11-19 | 2005-07-07 | Itw Gema Ag | Coating powder conveying device, especially for transporting powder from a storage container, e.g. a sack or bag, has a hose membrane pump for transporting powder that has been fluidized using compressed air |
| DE102008009679A1 (en) * | 2008-02-18 | 2009-08-20 | Siemens Aktiengesellschaft | Dust entry system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03222875A (en) * | 1991-02-06 | 1991-10-01 | Toufuku Kk | Viscous fluid pressure feed device |
| WO1998017558A1 (en) * | 1996-10-22 | 1998-04-30 | Dietrich Frederic | Process and device for pneumatically conveying powdery substances and their use |
| DE10300280A1 (en) * | 2003-01-08 | 2004-07-22 | Itw Gema Ag | Pump device for powder, process therefor and powder coating device |
-
2011
- 2011-04-08 DE DE102011007066A patent/DE102011007066A1/en not_active Withdrawn
-
2012
- 2012-04-05 CN CN201280017471.2A patent/CN103765007A/en active Pending
- 2012-04-05 WO PCT/EP2012/056302 patent/WO2012136778A2/en active Application Filing
- 2012-04-05 US US14/008,714 patent/US20140112802A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH466134A (en) * | 1966-01-27 | 1968-11-30 | Leipzig Inst Foerdertech | Method and device for the pneumatic conveying of powdery and granular material |
| CN2049280U (en) * | 1988-06-28 | 1989-12-13 | 景德镇陶瓷学院 | Four-stage variable volume diaphragm pump |
| DE10353968A1 (en) * | 2003-11-19 | 2005-07-07 | Itw Gema Ag | Coating powder conveying device, especially for transporting powder from a storage container, e.g. a sack or bag, has a hose membrane pump for transporting powder that has been fluidized using compressed air |
| DE102008009679A1 (en) * | 2008-02-18 | 2009-08-20 | Siemens Aktiengesellschaft | Dust entry system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414282A (en) * | 2014-05-15 | 2017-02-15 | 诺信公司 | Dense phase pump diagnostics |
| CN106414282B (en) * | 2014-05-15 | 2018-12-18 | 诺信公司 | Dense phase pump diagnosis |
| CN110090749A (en) * | 2014-05-15 | 2019-08-06 | 诺信公司 | Dense phase pump diagnosis |
| US10533915B2 (en) | 2014-05-15 | 2020-01-14 | Nordson Corporation | Dense phase pump diagnostics |
| US11009424B2 (en) | 2014-05-15 | 2021-05-18 | Nordson Corporation | Dense phase pump diagnostics |
| CN110090749B (en) * | 2014-05-15 | 2022-04-26 | 诺信公司 | Pump for powder coating material system, and diagnostic device and diagnostic method |
| CN108603498A (en) * | 2016-01-27 | 2018-09-28 | 西门子股份公司 | The diaphragm pump of dust suction from below |
| CN109790831A (en) * | 2016-08-25 | 2019-05-21 | 西门子股份公司 | The diaphragm type pump of aluminium filter with porous arching |
| CN109790831B (en) * | 2016-08-25 | 2020-08-14 | 硕士工程厄恩斯特·施密茨机械及设备有限两合公司 | Diaphragm pump with porous curved aluminum filter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012136778A2 (en) | 2012-10-11 |
| WO2012136778A3 (en) | 2013-01-24 |
| US20140112802A1 (en) | 2014-04-24 |
| DE102011007066A1 (en) | 2012-10-11 |
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Application publication date: 20140430 |