CN101782054A - Paste transfer pump - Google Patents
Paste transfer pump Download PDFInfo
- Publication number
- CN101782054A CN101782054A CN 201010121911 CN201010121911A CN101782054A CN 101782054 A CN101782054 A CN 101782054A CN 201010121911 CN201010121911 CN 201010121911 CN 201010121911 A CN201010121911 A CN 201010121911A CN 101782054 A CN101782054 A CN 101782054A
- Authority
- CN
- China
- Prior art keywords
- pipe
- hopper body
- reducer
- reducer pipe
- transfer pump
- 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
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a paste transfer pump which comprises a discharge port (1), a hopper body (6), an S swing pipe change valve (2) arranged in the hopper body and a transfer cylinder (9).The invention is characterized by further comprising a reducer pipe (8), wherein the first end of the reducer pipe (8) is connected with the hopper body (6), the second end of the reducer pipe (8) is connected with the transfer cylinder (9), the first end of the reducer pipe (8), which is connected with the hopper body (6), has a small diameter, and the second end of the reducer pipe (8), which is connected with the transfer cylinder (9), has a large-diameter; and an S swing pipe in the S swing pipe change valve (2) has an operating position for communicating a discharge port with the first end of the reducer pipe. The paste transfer pump of the embodiment enables the inner diameter of the transfer cylinder to be larger than the drift diameter of an S swing valve, thereby greatly decreasing the structural volume and the manufacturing cost of a hopper box and the S swing valve and reducing the occupied space of the device under the condition of the same discharge.
Description
Technical field
The present invention relates to viscous and dense material pumping technology field, relate more specifically to a kind of paste transfer pump.
Background technique
Paste transfer pump has important purposes in viscous and dense material is carried, for example can be used for solid, liquid two-phase class materials such as delivering concrete, coal slime, mud.In the prior art, S swing pipe selector valve type lotion pump comprises: discharge nozzle, S swing pipe selector valve, hopper body, material conveying cylinder, material cylinder piston, washing chamber, driving oil hydraulic cylinder etc.S swing pipe selector valve is installed in the hopper body, and hopper body, material conveying cylinder, washing chamber, driving oil hydraulic cylinder link successively.One end and the discharge nozzle of S swing pipe link, and the other end can have two working positions by swing, and link with two of failing in the material cylinder respectively in each working position.
Based on the requirement that reduces S pipe transporting resistance, the radius of curvature of S swing pipe and reducing amount are the smaller the better.In the prior art, the latus rectum of S swing pipe equates with the internal diameter (relevant with the discharge capacity of paste transfer pump) of material conveying cylinder or is close that the length of S swing pipe increases with the increase of its latus rectum.Thereby, along with the increase of paste transfer pump discharge capacity (or material conveying cylinder bore), the also corresponding increase of the length of S swing pipe and diameter.When the discharge capacity of paste transfer pump is big, certainly will cause the increase of S swing pipe size.Like this, the first, it is big that S pendulum valve changes inertia, impacts seriously during commutation, has a strong impact on the working life of paste transfer pump; The second, during commutation, noise is big, produces noise pollution; The 3rd, equipment volume and weight are big, difficulty of processing height, manufacture cost height; Four, commutating speed is slow, is easy to produce feed back, reduces pumping efficiency.
Summary of the invention
Main purpose of the present invention is: provide a kind of new paste transfer pump, in order to overcome or to alleviate at least the defective and the deficiency of existing paste transfer pump.Technical problem to be solved by this invention is the excessive and problems such as reversing impact that cause is big, noise is high, volume is big, cost of production height of existing big discharge capacity paste transfer pump S swing pipe volume, provide a kind of S swing pipe selector valve size less big discharge capacity paste transfer pump.
For achieving the above object, paste transfer pump of the present invention comprises: comprising: discharge port, hopper body, be arranged on S swing pipe selector valve and material conveying cylinder in the described hopper body.Described paste transfer pump further comprises reducer pipe, first end and the described hopper body of described reducer pipe link, second end of described reducer pipe and described material conveying cylinder link, described first end that links with hopper body of described reducer pipe is a miner diameter end, described second end that links with described material conveying cylinder of described reducer pipe is a bigger diameter end, wherein, the S swing pipe in the S swing pipe selector valve has the working position that described discharge port is connected with first end of described reducer pipe.
By adopting reducer pipe, the latus rectum of S swing pipe is less than the internal diameter of material conveying cylinder.Thereby, under the identical situation of material conveying cylinder bore (being directly proportional substantially) with discharge capacity, reduced the volume of S swing pipe selector valve and hopper body, solved because of S swing pipe selector valve and the excessive problems that cause of hopper body, can guarantee under the constant substantially situation of each performance index of paste transfer pump, the reliability of raising equipment reduces the structural volume and the manufacture cost of hopper body and S swing pipe selector valve greatly, and reduction equipment is taken up an area of the space.
The present invention also provides a kind of paste transfer pump, this paste transfer pump comprises: discharge port, hopper body, be arranged on S swing pipe selector valve and two material conveying cylinders in the described hopper body, it is characterized in that, further comprise: two reducer pipes, first end of described two reducer pipes links with described hopper body respectively, second end of described two reducer pipes links with a corresponding material conveying cylinder respectively, described first end that links with hopper body of described reducer pipe is a miner diameter end, described second end that links with described material conveying cylinder of described reducer pipe is a bigger diameter end, wherein, second working position that has first working position that described discharge port is connected with one first end in described two reducer pipes and another first end in described discharge port and described two reducer pipes is connected of the S swing pipe in the S swing pipe selector valve.
The working principle of above-mentioned paste transfer pump is: described discharge nozzle and conveyance conduit link, treat that the pumping material joins in the hopper body, during work, S swing pipe selector valve is swung at hopper body, and alternately communicate with two material conveying cylinders respectively by reducer pipe, two conveyor pistons alternately suck material in the hopper body and pump by S swing pipe selector valve and reducer pipe under the driving that drives oil hydraulic cylinder.
Preferably, paste transfer pump of the present invention also comprises rubber spring, cutting ring and glasses plate, described rubber spring, cutting ring are installed on second end of S swing pipe selector valve successively, described glasses plate is installed on the hopper body, rubber spring seals cutting ring and S swing pipe selector valve, cutting ring is pressed on the glasses plate, an end face of cutting ring is contacted with an end face of glasses plate, and cutting ring can be swung with S swing pipe selector valve.
Preferably, two reducer pipes of paste transfer pump of the present invention can be parts, have two variable diameter passages arranged side by side on this part.
Preferably, first end of the reducer pipe of paste transfer pump of the present invention links together with form and the hopper body that screw connects by positioning spigot, seal ring; The other end links together with the flange of bolted form and material conveying cylinder by positioning spigot, seal ring.Satisfy different hopper box and the configuration that is connected of expecting cylinder by the curve gradual change of reducing connecting tube.
Preferably, the reducer pipe inwall of paste transfer pump of the present invention has carried out the abrasion resistance alloy built-up welding, and forms the wearing layer that covers the local or whole inwalls of reducer pipe inwall.
Description of drawings
Be elaborated below in conjunction with accompanying drawing.In described accompanying drawing:
Fig. 1 is according to an embodiment of the present invention the paste transfer pump schematic elevational view when being in transfer position,
Fig. 2 is the schematic plan of paste transfer pump among Fig. 1.
Wherein: 1, discharge port; 2, S swing pipe selector valve; 3, rubber spring; 4, cutting ring; 5, glasses plate; 6, hopper body; 7, wobble drive mechanism; 8, reducer pipe; 9, material conveying cylinder; 10, conveyor piston; 11, washing chamber; 12, drive oil hydraulic cylinder; 13, base.
Embodiment
Be described in further detail below in conjunction with embodiment.
Unless otherwise noted, otherwise following mentioned quantity all can change as required, and for example, reducer pipe 8, material conveying cylinder 9, conveyor piston 10 and drive the number of oil hydraulic cylinder 12 etc. can change as required.
Paste transfer pump, it is used for the suction and the binder of the pipe conveying procedure of lotion, and itself and conveyance conduit and feeding device link, and suck material from feeding device, and pump by conveyance conduit.In first embodiment, paste transfer pump comprises discharge port 1, hopper body 6, is arranged on S swing pipe selector valve 2 and a material conveying cylinder 9 in the described hopper body 6.This paste transfer pump further comprises a reducer pipe 8, and first end and the hopper body 6 of this reducer pipe 8 link, and second end and material conveying cylinder 9 link.S swing pipe in the S swing pipe selector valve 2 can be rocked to transfer position, and (end that is the S swing pipe is aimed at discharge port, and the other end is aimed at first end of reducer pipe) is used for discharge port is connected with first end of reducer pipe.
Discharge port 1 links to each other with conveyance conduit, is used for the material dispatch to conveyance conduit.Discharge port shown in Fig. 1 is tubulose (can be called discharge nozzle this moment), but discharge port also can be other appropriate format, for example can be an aperture.Hopper body is used to receive and hold the material (preferably, the material of material for being stirred) for the treatment of pumping.Be understandable that hopper body is open at least in part, for example partly open at place, hopper body top; And hopper body forms an inner chamber to hold material.The internal diameter of reducer pipe from one end to the other side changes.In Fig. 1, the internal diameter of first end is less than the internal diameter of second end.Also can be set to the internal diameter of the internal diameter of second end less than first end.The material conveying cylinder is used for drawing the material of feeding funnel and product pump is delivered to discharge port, and then is pumped to conveyance conduit.The driving of material conveying cylinder can be adopted any suitable form.For example manual driven can be adopted, also hydraulic driving or motor driving etc. can be adopted.The driving structure of material conveying cylinder also can adopt any suitable form, for example adopts piston structure or rotation blade form etc.Similarly, the driving of S swing pipe also can be adopted multiple mode and structure.
The working method of the above-mentioned paste transfer pump of following brief description.At first, the actual volume of material conveying cylinder increases, by the material in the reducer pipe absorption hopper body (material can be to deliver continuously or deliver off and on).At this moment, the S swing pipe in the S swing pipe selector valve 2 is in the working position (for example, can be called and draw the position) outside the transfer position, and promptly the S swing pipe is not communicated with the material conveying cylinder.Secondly, drive the S swing pipe and make it to be rocked to transfer position, make an end of S swing pipe aim at discharge port, the other end is aimed at first end of reducer pipe, and discharge port is connected with first end of reducer pipe.Then, make the actual volume of material conveying cylinder reduce, discharge material.Thereby material passes through reducer pipe and S swing pipe successively and arrives discharge port.After above-mentioned steps, make the S swing pipe swing once more, leave described transfer position.By above-mentioned step with the mass transport in the hopper body to discharge port, and then be delivered in the transfer passage.Carry out above-mentioned steps, conveying material unceasingly repeatedly.
This embodiment's paste transfer pump makes the internal diameter of material conveying cylinder put the latus rectum of valve greater than S, thereby under same displacement, has reduced the structural volume and the manufacture cost of hopper box and S pendulum valve greatly that reduction equipment is taken up an area of the space.
In a preferred embodiment, paste transfer pump comprises rubber spring 3, cutting ring 4 and glasses plate 5, is used to realize the sealing between S swing pipe and reducer pipe first end (or hopper body inwall).For example, described rubber spring, cutting ring are installed on second end of S swing pipe selector valve successively, described glasses plate is installed on the hopper body, rubber spring seals cutting ring and S swing pipe selector valve, cutting ring is pressed on the glasses plate, an end face of cutting ring is contacted with an end face of glasses plate, and cutting ring can be swung with S swing pipe selector valve.
Preferably, first end of the reducer pipe of paste transfer pump of the present invention links together with form and the hopper body that screw connects by positioning spigot, seal ring; The other end links together with the flange of bolted form and material conveying cylinder by positioning spigot, seal ring.Satisfy different hopper box and the configuration that is connected of expecting cylinder by the curve gradual change of reducing connecting tube.
Preferably, between first end and second end of described reducer pipe, the inwall line smoothing transition of described reducer pipe.More preferably, described reducer pipe is taper.Thereby be beneficial to the pumping of material.
Preferably, the inwall of described reducer pipe is provided with the abrasion resistance alloy overlay cladding.Described abrasion resistance alloy overlay cladding can cover the wearing layer of the local or whole inwalls of reducer pipe inwall.Thereby can alleviate viscous and dense material wearing and tearing to reducing connecting tube inwall in the pumping process effectively.
In a second embodiment, paste transfer pump comprises: discharge port 1, hopper body 6, be arranged on the S swing pipe selector valve 2 in the described hopper body, two material conveying cylinders 9 (can be called A cylinder and B cylinder) and two reducer pipes 8.First end of two reducer pipes 8 links with described hopper body 6 respectively, and second end of described two reducer pipes 8 links with a corresponding material conveying cylinder 9 respectively.Described first end that links with hopper body 6 of described reducer pipe 8 is a miner diameter end, and described second end that links with described material conveying cylinder 9 of described reducer pipe 8 is a bigger diameter end.Second working position that S swing pipe in the S swing pipe selector valve 2 has first working position that described discharge port is connected with one first end in described two reducer pipes and another first end in described discharge port and described two reducer pipes is connected.
When the S swing pipe communicates with the A cylinder (first working position), the B cylinder communicates with hopper body, and at this moment the piston advances forward in the A cylinder pushes to conveyance conduit with the pressurization of the material in the A cylinder, and meanwhile, piston retreats in the B cylinder, and the material in the hopper body is sucked the B cylinder.When piston motion during to the stroke end, S swing pipe communicate with the B cylinder (second working position), and the A cylinder communicates with hopper body, at this moment piston advances forward in the B cylinder pushes to conveyance conduit with the pressurization of the material in the B cylinder, meanwhile, piston retreats in the A cylinder, material in the hopper body is sucked the A cylinder, so go round and begin again, realize the continuous suction and the pumping of paste transfer pump.
Wherein, S swing pipe selector valve is arranged in hopper body, has both played the switching effect of suction, again as the discharge route of material; Material conveying cylinder and conveyor piston play the suction material; Cooling liquid is housed with cooling material conveying cylinder and conveyor piston in the washing chamber, and is convenient to change piston; Driving oil hydraulic cylinder provides the power of suction material; Can link together each relevant assembly with base.
Preferably, described two reducer pipes also can be connected in parallel and become single part.
Below further combined with another embodiment of description of drawings.In this embodiment, as described in Figure 1, paste transfer pump comprises discharge nozzle 1, S swing pipe selector valve 2, rubber spring 3, cutting ring 4, glasses plate 5, hopper body 6, wobble drive mechanism 7, reducer pipe 8, material conveying cylinder 9, conveyor piston 10, washing chamber 11, drives oil hydraulic cylinder 12 and base 13.Hopper body 6 and washing chamber 11 are installed on the base 13, discharge nozzle 1 is installed in hopper body 6, reducer pipe 8 has first end and second end, and the latus rectum of first end is less than the latus rectum of second end, wherein first end and hopper body 6 link, one end of second end and material conveying cylinder 9 links, the other end of two material conveying cylinders 9 and washing chamber 11 link, two drive oil hydraulic cylinder 12 and are installed in the washing chamber 11 and its piston rod links with two conveyor pistons 10 respectively, glasses plate 5 is installed on the hopper body 6, and two holes are arranged on the glasses plate 5, S swing pipe selector valve 2 is installed in the hopper body 6, and a passage (S swing pipe) is arranged on the S swing pipe selector valve 2, and has first end and second end, described first end is suitable for linking with discharge nozzle 1, the equal diameters of the diameter of described second end and reducer pipe 8 first ends or close.The duct that rubber spring 3, cutting ring 4, glasses plate 5 be installed on described second end successively can be sent out respectively and communicate with reducer pipe 8, and communicates by one in reducer pipe 8 and two the material conveying cylinders 9.S swing pipe selector valve 2 has two working positions, wobble drive mechanism 7, be installed on the hopper body 6 and and link with S swing pipe selector valve 2, S swing pipe selector valve 2 can be in different working positions respectively under the driving of wobble drive mechanism 7, and respectively with two material conveying cylinders 9 in one communicate.
Described S swing pipe has first end and second end, wherein first end links with discharge nozzle, second end is according to the difference of S swing pipe selector valve swing position, have two working positions, when described S swing pipe selector valve is positioned at first working position, described S swing pipe selector valve communicates with the first material conveying cylinder by first reducer pipe in two reducer pipes, and when described S swing pipe selector valve was positioned at second working position, described S swing pipe selector valve communicated with the second material conveying cylinder by second reducer pipe.Reducer pipe has first end and second end, and the latus rectum of first end is less than the latus rectum of second end, and wherein, first end and the hopper body of described reducer pipe link, and second end of described reducer pipe is used for linking with corresponding material conveying cylinder.Described two reducer pipes also can be connected in parallel and be single part, the latus rectum of second end of described S swing pipe selector valve equates with the latus rectum of reducer pipe first end or close above-mentioned rubber spring 3 also can be other annular elastomeric, can realize that sealing effect gets final product with the cutting ring combination.
Because S swing pipe selector valve 2 communicates with the path of reducer pipe 8, thus its latus rectum less than maximum diameter less than the latus rectum of material conveying cylinder 9.Thereby reached the purpose that little latus rectum S swing pipe selector valve is joined big latus rectum material conveying cylinder, realized the S swing pipe selector valve of big discharge capacity paste transfer pump and the miniaturization of hopper body.
In a practical application, discharge nozzle 1 links with conveyance conduit, and hopper body communicates with material source or links to each other with feeding device (as the malleation distributor), if two be respectively A cylinder and B cylinder, two conveyor pistons are respectively A piston and B piston.When S swing pipe selector valve communicates with the A cylinder, the B cylinder communicates with hopper body, at this moment A piston advances forward, the pressurization of material in the A cylinder is pushed to conveyance conduit, meanwhile, the B piston retreats, and the material in the hopper body is sucked the B cylinder, when piston motion during to the stroke end, when the commutation of S swing pipe selector valve communicates with the B cylinder again, and the A cylinder communicates with hopper body, at this moment the B piston advances forward, the pressurization of material in the B cylinder is pushed to conveyance conduit, meanwhile, the A piston retreats, and the material in the hopper body is sucked the A cylinder, so go round and begin again, realize the continuous suction and the pumping of paste transfer pump.
The present invention compared with prior art has tangible advantage and beneficial effect.Via above technological scheme as can be known, the present invention has following advantage at least: 1, the invention provides a kind of paste transfer pump, owing to adopted reducer pipe to link with material conveying cylinder and S swing pipe selector valve respectively, realized the miniaturization of S swing pipe selector valve and hopper body, make anufacturability better, saved manufacture cost; 2,, obtain life of equipment prolonging because undersized S swing pipe selector valve rotary inertia is little, and reversing impact is little; 3,, make that S swing pipe selector valve commutation resistance is little, thereby reduced commutation power because the material in the hopper body is little to the resistance of undersized S swing pipe selector valve.
The too big problem that paste transfer pump according to the present invention has solved existing paste transfer pump can not be done owing to be subjected to the restriction of S swing pipe selector valve size.
The above only is preferred embodiment of the present invention, be not the present invention is done any pro forma restriction, though the present invention disclose as above with preferred embodiment, yet be not in order to limit the present invention.Those of ordinary skills in not breaking away from the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make amendment and change.It is pointed out that foundation technical spirit of the present invention to any simple modification, equivalent variations and modification that above embodiment did, all still belongs in the scope of technical solution of the present invention.Protection scope of the present invention is defined by the following claims.
Claims (9)
1. paste transfer pump, comprise: discharge port (1), hopper body (6), be arranged on S swing pipe selector valve (2) and material conveying cylinder (9) in the described hopper body, it is characterized in that, further comprise: reducer pipe (8), first end of described reducer pipe (8) and described hopper body (6) link, second end of described reducer pipe (8) and described material conveying cylinder (9) link, described first end that links with hopper body (6) of described reducer pipe (8) is a miner diameter end, described second end that links with described material conveying cylinder (9) of described reducer pipe (8) is a bigger diameter end, wherein, the S swing pipe in the S swing pipe selector valve (2) has the working position that described discharge port is connected with first end of described reducer pipe.
2. paste transfer pump as claimed in claim 1 is characterized in that, between first end and second end of described reducer pipe, and the inwall line smoothing transition of described reducer pipe.
3. paste transfer pump as claimed in claim 2 is characterized in that, described reducer pipe is taper.
4. as each described paste transfer pump among the claim 1-3, it is characterized in that the inwall of described reducer pipe is provided with the abrasion resistance alloy overlay cladding.
5. paste transfer pump, comprise: discharge port (1), hopper body (6), be arranged on S swing pipe selector valve (2) and two material conveying cylinders 9 in the described hopper body, it is characterized in that, further comprise: two reducer pipes (8), first end of described two reducer pipes (8) links with described hopper body (6) respectively, second end of described two reducer pipes (8) links with a corresponding material conveying cylinder (9) respectively, described first end that links with hopper body (6) of described reducer pipe (8) is a miner diameter end, described second end that links with described material conveying cylinder (9) of described reducer pipe (8) is a bigger diameter end, wherein, second working position that has first working position that described discharge port is connected with one first end in described two reducer pipes and another first end in described discharge port and described two reducer pipes is connected of the S swing pipe in the S swing pipe selector valve (2).
6. paste transfer pump as claimed in claim 5 is characterized in that, between first end and second end of described reducer pipe, and the inwall line smoothing transition of described reducer pipe.
7. paste transfer pump as claimed in claim 6 is characterized in that, described reducer pipe is taper.
8. as each described paste transfer pump among the claim 5-7, it is characterized in that the inwall of described reducer pipe is provided with the abrasion resistance alloy overlay cladding.
9. as each described paste transfer pump among the claim 5-7, it is characterized in that described two parts that reducer pipe is an one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010121911 CN101782054A (en) | 2010-03-10 | 2010-03-10 | Paste transfer pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010121911 CN101782054A (en) | 2010-03-10 | 2010-03-10 | Paste transfer pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101782054A true CN101782054A (en) | 2010-07-21 |
Family
ID=42522186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010121911 Pending CN101782054A (en) | 2010-03-10 | 2010-03-10 | Paste transfer pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101782054A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642184A (en) * | 2016-10-26 | 2017-05-10 | 国投盘江发电有限公司 | Large-proportion coal slime blending combustion device and method for thermal power generation |
| CN106882604A (en) * | 2017-03-17 | 2017-06-23 | 合肥固泰自动化有限公司 | A kind of disc type powder body accurate quantification charging gear |
| CN107963797A (en) * | 2016-10-19 | 2018-04-27 | 北京华德创业环保设备有限公司 | A kind of concentrated phase red mud pipe carrying method |
| CN108679957A (en) * | 2018-07-17 | 2018-10-19 | 北京中矿环保科技股份有限公司 | A kind of low temperature jet flow atomization coal slime drying process and system |
| CN112340479A (en) * | 2019-08-08 | 2021-02-09 | 许昌德通振动搅拌科技股份有限公司 | Powder loading attachment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920357A (en) * | 1974-03-13 | 1975-11-18 | Case Co J I | Pumping apparatus |
| US5380174A (en) * | 1992-03-24 | 1995-01-10 | Friedrich Wilh. Schwing Gmbh | Pump for thick matter having delivery cylinders, in particular a two-cylinder concrete pump |
| JP2000291537A (en) * | 1999-04-08 | 2000-10-17 | Mitsubishi Heavy Ind Ltd | Fluid force-feed device |
| CN201165948Y (en) * | 2007-12-06 | 2008-12-17 | 北京华强京工机械制造有限公司 | Conveying device of concrete pump |
| CN201606205U (en) * | 2010-03-10 | 2010-10-13 | 北京中矿环保科技股份有限公司 | Paste transfer pump |
-
2010
- 2010-03-10 CN CN 201010121911 patent/CN101782054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920357A (en) * | 1974-03-13 | 1975-11-18 | Case Co J I | Pumping apparatus |
| US5380174A (en) * | 1992-03-24 | 1995-01-10 | Friedrich Wilh. Schwing Gmbh | Pump for thick matter having delivery cylinders, in particular a two-cylinder concrete pump |
| JP2000291537A (en) * | 1999-04-08 | 2000-10-17 | Mitsubishi Heavy Ind Ltd | Fluid force-feed device |
| CN201165948Y (en) * | 2007-12-06 | 2008-12-17 | 北京华强京工机械制造有限公司 | Conveying device of concrete pump |
| CN201606205U (en) * | 2010-03-10 | 2010-10-13 | 北京中矿环保科技股份有限公司 | Paste transfer pump |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107963797A (en) * | 2016-10-19 | 2018-04-27 | 北京华德创业环保设备有限公司 | A kind of concentrated phase red mud pipe carrying method |
| CN106642184A (en) * | 2016-10-26 | 2017-05-10 | 国投盘江发电有限公司 | Large-proportion coal slime blending combustion device and method for thermal power generation |
| CN106642184B (en) * | 2016-10-26 | 2019-10-15 | 国投盘江发电有限公司 | Coal slime large scale mixes the device and method of burning in a kind of thermal power generation |
| CN106882604A (en) * | 2017-03-17 | 2017-06-23 | 合肥固泰自动化有限公司 | A kind of disc type powder body accurate quantification charging gear |
| CN106882604B (en) * | 2017-03-17 | 2023-06-09 | 合肥固泰自动化有限公司 | Disc type powder accurate quantitative feeding device |
| CN108679957A (en) * | 2018-07-17 | 2018-10-19 | 北京中矿环保科技股份有限公司 | A kind of low temperature jet flow atomization coal slime drying process and system |
| CN112340479A (en) * | 2019-08-08 | 2021-02-09 | 许昌德通振动搅拌科技股份有限公司 | Powder loading attachment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11454351B2 (en) | Multiphase flow mixed delivery method employing reciprocating driving performed by liquid in two chambers and device thereof | |
| CN101787973B (en) | Distributing valve for concrete pump, concrete pump, control method thereof and concrete pump truck | |
| CN101782054A (en) | Paste transfer pump | |
| CN103470473A (en) | Hydraulic gas vacuum pump | |
| CN201606205U (en) | Paste transfer pump | |
| CN107956666A (en) | A kind of two-cylinder type sludge pump with discharging sealing switching device | |
| CN102720671A (en) | High-pressure paste delivery method and high-pressure paste delivery pump | |
| CN202182001U (en) | Multifunctional concrete delivery pump | |
| CN107176474A (en) | A kind of extruded type device for transporting objects | |
| CN203463254U (en) | Hydraulic air vacuum pump | |
| CN207728502U (en) | Two-cylinder type sludge pump with discharging sealing switching device | |
| CN106640572A (en) | Programmable automatic control grouting pump for shield tunneling machine | |
| CN107605689A (en) | Two-cylinder type sludge uninterrupted pumping device | |
| CN205047422U (en) | Concrete pump control valve | |
| CN105972235B (en) | Planker guiding valve and delivery pump and pump truck with it | |
| CN212024088U (en) | Paste pump with double cutting valves | |
| CN203783832U (en) | Fracturing pump system and fracturing truck | |
| CN207526660U (en) | A kind of two-cylinder type sludge uninterrupted pumping device | |
| CN102434421A (en) | Piston type mortar pump and pumping system thereof | |
| CN202756236U (en) | Paste material high-pressure delivery pump | |
| CN201381976Y (en) | Hydraulic control system of aggregate concrete pump | |
| CN202326072U (en) | Piston type mortar pump and pumping system thereof | |
| CN111232652A (en) | Paste pump with double cutting valves | |
| CN110848549A (en) | Lubricating system | |
| CN219452310U (en) | Single-cylinder slurry conveying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100721 |