CN104266061A - Concrete conveying pipeline lubricating device and method - Google Patents
Concrete conveying pipeline lubricating device and method Download PDFInfo
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- CN104266061A CN104266061A CN201410480871.8A CN201410480871A CN104266061A CN 104266061 A CN104266061 A CN 104266061A CN 201410480871 A CN201410480871 A CN 201410480871A CN 104266061 A CN104266061 A CN 104266061A
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Abstract
The invention discloses a concrete conveying pipeline lubricating device. The concrete conveying pipeline lubricating device comprises an injection pipe, a spray nozzle, a compression system and a lubricating addition agent container; the injection pipe is installed between two adjacent pump pipes; one end of the injection pipe is provided with a plurality of lubricating holes; the spray nozzle is installed on inner end openings of the lubricating holes; the orientation of the spray nozzle is consistent to the concrete conveying direction; outer end openings of the lubricating holes are connected with the compression system; the compression system is connected with the lubricating addition agent container; lubricating addition agent is installed inside the lubricating addition agent container; the compression system is used for sucking the lubrication addition agent from the lubricating addition agent container and pressing the lubricating addition agent to be 1 to 5Mpa larger than the pressure of the concrete. According to the concrete conveying pipeline lubricating device, appropriate lubricating addition agent can be added between internal walls of concrete conveying pump pipes and the concrete during concrete pumping, frictional resistance between the internal walls of the pump pipes and the concrete, the pumping height and efficiency are improved, and accordingly the concrete conveying pipeline lubricating device can be applied to concrete ling-distance conveying and super elevation pumping construction.
Description
Technical field
The invention belongs to concrete pumping technique field, be specifically related to a kind of concrete conveyance pipeline lubricating fitting and method.
Background technique
Along with the increase of skyscraper height, concrete pumping technique is a key technology, namely how by having viscosity, concrete pump that proportion is larger delivers to needed height and distance, is the difficult problem that building field common need overcomes.In concrete pumping process, pump line inwall and concrete produce and rub, and add and prolong stroke pressure loss, have a negative impact to concrete pumping height and pumping distance.In addition, the strength grade of concrete used in some high-rise floors is less demanding, and gel material content is relatively less, its cohesive quality is deteriorated, and causes pumping difficulties, in order to concrete mix is pumped to certain height and distance, have to improve gel material content, produce wasting phenomena.
At present, be reply the demand, industry is mainly with the outlet pressure improving concrete pump, and the sealability between Concrete Structure pump line.But, pursuit high pressure simply, brings a lot of negative effect, the performance degradation of concrete under High Pressure, under high pressure conditions there is explosion harm in concrete conveyance pipeline, and the manufacture cost of concrete pump, oil consumption, noise control etc. all have impact in various degree.
Summary of the invention
The object of the present invention is to provide a kind of concrete conveyance pipeline lubricating fitting and method, in concrete pumping process, it can add appropriate lubricating auxiliary agent between concrete delivery pump pipe inwall and concrete, thus the surface friction drag greatly reduced between pump line inwall and concrete, improve pumping height and efficiency, be applicable to concrete long apart from conveying and super high pump-conveying construction.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of concrete conveyance pipeline lubricating fitting is provided, this device comprises: injection pipe, nozzle, pressurizing system and lubricating auxiliary agent container, described injection pipe is arranged between adjacent two pump lines that concrete coagulates in native delivery line, described injection pipe offers some lubrication holes in the one end away from concrete pump, the interior end opening of described lubrication hole installs nozzle, described nozzle towards consistent with concrete conveyance direction, the outer end opening of described lubrication hole is connected with pressurizing system, described pressurizing system is connected with lubricating auxiliary agent container by hydraulic tube, described lubricating auxiliary agent container content has lubricating auxiliary agent, described pressurizing system is used for sucking lubricating auxiliary agent in lubricating auxiliary agent container, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa.
By technique scheme, this device also comprises the hollow sleeve be arranged on injection pipe, an airtight lubricating auxiliary agent cavity volume is formed between the inwall of described hollow sleeve and the outer wall of injection pipe, described lubricating auxiliary agent cavity volume is communicated with the outer end opening of lubrication hole, described hollow sleeve offers the hand-hole be connected with pressurizing system.
By technique scheme, the interior end opening of described lubrication hole is positioned on the end face of injection pipe.
Accordingly, the invention provides a kind of concrete conveyance pipeline lubricating method, comprise the following steps:
S100, in the pipeline of concrete pumping system, install one or more concrete conveyance pipeline lubricating fitting as claimed in claim 1, the injection pipe of this device is arranged between adjacent two pump lines that concrete coagulates in native delivery line;
Before S200, concrete conveyance pump work, open pressurizing system, pressurizing system sucks lubricating auxiliary agent from lubricating auxiliary agent container, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa, lubricating auxiliary agent after pressurization is delivered in lubrication hole, then through nozzle ejection on the inwall of the pump line away from concrete pump;
S300, concrete conveyance pump work, by concrete conveyance to pump line, simultaneously, pressurizing system continuous firing, the pressure of lubricating auxiliary agent is made to be greater than concrete pressure 1 ~ 5Mpa all the time, lubricating auxiliary agent is by nozzle ejection between concrete and the inwall away from the pump line of concrete pump, and lubricating auxiliary agent forms uniform lubricating film between concrete and the inwall of this pump line.
By technique scheme, in step S300, lubricating fitting regulates the flow of lubricating auxiliary agent automatically according to the frequency of concrete pumping, and when the pumping number of times of concrete pump increases or reduces, the flow of lubricating auxiliary agent also increases thereupon or reduces.
By technique scheme, described method also comprises:
After S400, concrete pump end-of-job, the pipeline of cleaning concrete pumping system, pressurizing system works on, and lubricating auxiliary agent continues to be injected on the inwall of pump line with the pressure larger than concrete, and after treating pipeline-cleaning, pressurizing system quits work.
By technique scheme, in the step s 100, described concrete conveyance pipeline lubricating fitting also comprises the hollow sleeve be arranged on injection pipe, an airtight lubricating auxiliary agent cavity volume is formed between the inwall of described hollow sleeve and the outer wall of injection pipe, described lubricating auxiliary agent cavity volume is communicated with the outer end opening of lubrication hole, described hollow sleeve offers the hand-hole be connected with pressurizing system; In step s 200, the lubricating auxiliary agent after pressurization is delivered in described lubricating auxiliary agent cavity volume, with the lubricating auxiliary agent pressure of stable pressurization.
The beneficial effect that the present invention produces is: in concrete pumping system process, by arranging this lubricating fitting, be injected between concrete and pump line inwall after lubricating auxiliary agent is pressurizeed, to reduce the frictional force between concrete and pump line inwall, thus can when not improving concrete conveyance pump discharge pressure, realize the pumping of concrete high-efficiency superelevation extra long distance, reduce booster probability, and there is energy-conservation, noise reduction, green advantage, be applicable to the construction of concrete long Distance geometry super high pump-conveying.
Concrete, according to pressure and the length of pipe of concrete pumping system, in pipeline, arrange one or more concrete conveyance pipeline lubricating fitting (hereinafter referred to as lubricating fitting), injection pipe is arranged between adjacent two pump lines that concrete coagulates in native delivery line, completes installation;
Before concrete conveyance pump work, first open pressurizing system, pressurizing system sucks lubricating auxiliary agent from lubricating auxiliary agent container, the pressure of the lubricating auxiliary agent after pressurization is greater than the pressure 1 ~ 5Mpa of pump line inner concrete, lubricating auxiliary agent through lubrication hole again through nozzle ejection on the inwall of the pump line away from concrete pump, the injection direction of lubricating auxiliary agent is consistent with the concrete flow direction, can ensure in concrete pump working procedure, lubricating auxiliary agent can be injected on the inwall of pump line more smoothly;
In concrete pumping process, pressurizing system works on, ensure that the pressure of lubricating auxiliary agent is greater than concrete pressure 1 ~ 5Mpa all the time, concrete can be avoided like this to be back in pressurizing system, affect lubrication effect, the nozzle of lubricating auxiliary agent on multiple lubrication hole is ejected on pump line inwall smoothly, because lubrication hole quantity is more, therefore can ensure that lubricating auxiliary agent forms uniform lubricating film between concrete and pump line inwall, the frictional force between concrete and pump line inwall can be reduced.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the scheme of installation of the embodiment of the present invention.
Wherein: 1-concrete pump, 201-pump line, 202-pump line, 3-injection pipe, 301-lubrication hole, 4-pressurizing system, 5-lubricating auxiliary agent container, 6-nozzle, 7-hollow sleeve, 701-lubricating auxiliary agent cavity volume, 702-hand-hole, 8-building, 9-attachment device, 10-hydraulic tube.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Fig. 1 ~ Fig. 2, a kind of concrete conveyance pipeline lubricating fitting, this device comprises: injection pipe 3, nozzle 6, pressurizing system 4 and lubricating auxiliary agent container 5, injection pipe is arranged between adjacent two pump lines that concrete coagulates in native delivery line, these two pump lines are respectively the pump line 201 near concrete pump, away from the pump line 202 of concrete pump, injection pipe 3 offers some lubrication holes 301 in the one end away from concrete pump, wherein, lubrication hole 301 is evenly opened on injection pipe 3, the quantity of lubrication hole is more in principle, lubricating auxiliary agent is sprayed more even, the quantity of lubrication hole is generally no less than 4, the interior end opening of lubrication hole 301 installs nozzle 6, nozzle 6 towards consistent with concrete conveyance direction, preferably, the outlet end of nozzle 6 is preferably positioned at pump line, the range of nozzle 6 is generally 30 ~ 50cm, the outer end opening of lubrication hole 301 is connected with pressurizing system 4, concrete, the interior end opening of lubrication hole 301 is positioned on the end face of injection pipe, the outer end opening of lubrication hole 301 is positioned on the outer wall of injection pipe 3, pressurizing system 4 is connected with lubricating auxiliary agent container 5 by hydraulic tube 10, lubricating auxiliary agent container 5 is built with lubricating auxiliary agent, pressurizing system 4 for sucking lubricating auxiliary agent in lubricating auxiliary agent container 5, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa.
In a preferred embodiment of the invention, as shown in Figure 1, this device also comprises the hollow sleeve 7 be arranged on injection pipe 3, an airtight lubricating auxiliary agent cavity volume 701 is formed between the inwall of hollow sleeve 7 and the outer wall of injection pipe 3, lubricating auxiliary agent cavity volume 701 is communicated with the outer end opening of lubrication hole 301, hollow sleeve 701 offers the hand-hole 702 be connected with pressurizing system 4, hand-hole 702 is connected with pressurizing system 4 by hydraulic tube 10.Lubricating auxiliary agent cavity volume 701 for the lubricating auxiliary agent after storing pressurized, the lubricating auxiliary agent pressure of stable pressurization, and by with multiple lubrication hole UNICOM, play the effect of uniform distribution lubricating auxiliary agent.
Accordingly, as shown in Fig. 1 ~ Fig. 2, the invention provides a kind of concrete conveyance pipeline lubricating method, comprise the following steps:
S100, in the pipeline of concrete pumping system, install one or more above-mentioned concrete conveyance pipeline lubricating fitting, the injection pipe 3 of this device is arranged between adjacent two pump lines that concrete coagulates in native delivery line;
Before the work of S200, concrete pump 1, open pressurizing system 4, pressurizing system 4 sucks lubricating auxiliary agent from lubricating auxiliary agent container 5, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa, lubricating auxiliary agent after pressurization is delivered in lubrication hole 301, then is injected on the inwall away from the pump line 202 of concrete pump through nozzle 6;
S300, concrete pump 1 work, by concrete conveyance to pump line, simultaneously, pressurizing system holds 4 continuous work, the pressure of lubricating auxiliary agent is made to be greater than concrete pressure 1 ~ 5Mpa all the time, lubricating auxiliary agent is injected between concrete and the inwall away from the pump line 202 of concrete pump by nozzle 6, and lubricating auxiliary agent forms uniform lubricating film between concrete and the inwall of this pump line.
In a preferred embodiment of the invention, in step S300, lubricating fitting regulates the flow of lubricating auxiliary agent automatically according to the frequency of concrete pumping, when the pumping number of times of concrete pump increases or reduces, the flow of lubricating auxiliary agent also increases thereupon or reduces, the use amount of lubricating auxiliary agent can be adjusted so in real time according to the actual pump frequencies of concrete pump, lubricating auxiliary agent is made to be evenly distributed between inner tube wall and concrete under different concrete flow quantity, to reach better lubrication effect.
In a preferred embodiment of the invention, described method also comprises:
After S400, concrete pump end-of-job, the pipeline of cleaning concrete pumping system, pressurizing system works on, and lubricating auxiliary agent continues to be injected on the inwall of pump line with the pressure larger than concrete, and after treating pipeline-cleaning, pressurizing system quits work.
In a preferred embodiment of the invention, in the step s 100, concrete conveyance pipeline lubricating fitting also comprises the hollow sleeve 7 be arranged on injection pipe 3, an airtight lubricating auxiliary agent cavity volume 701 is formed between the inwall of hollow sleeve 7 and the outer wall of injection pipe 3, lubricating auxiliary agent cavity volume 701 is communicated with the outer end opening of lubrication hole 301, hollow sleeve 7 offers the hand-hole 702 be connected with pressurizing system 4; In step s 200, the lubricating auxiliary agent after pressurization is delivered in lubricating auxiliary agent cavity volume 701, with the lubricating auxiliary agent pressure of stable pressurization, and by with multiple lubrication hole UNICOM, play the effect of uniform distribution Lubricants.
As shown in Figure 2, concrete pumping system comprises concrete pump 1 and pump line, pump line is arranged on building 8 by attachment device 9, the present invention is according to the pressure of concrete pumping system and length of pipe, coagulate at concrete between adjacent two pump lines in native delivery line and one or more lubricating fitting is installed, this lubricating fitting is used in concrete pumping process to jet lubrication auxiliary agent between concrete and pump line inwall, this lubricating fitting also can install lubricating fitting in pipe bent position, to reduce the plugging probability of pipe bent position;
Before concrete conveyance pump work, first open pressurizing system, pressurizing system sucks lubricating auxiliary agent from lubricating auxiliary agent container, the pressure of the lubricating auxiliary agent after pressurization is greater than the pressure 1 ~ 5Mpa of pump line inner concrete, lubricating auxiliary agent after pressurization collects in lubricating auxiliary agent container, again respectively through lubrication hole and nozzle ejection on the inwall of the pump line away from concrete pump, the injection direction of lubricating auxiliary agent is consistent with the concrete flow direction, can ensure in concrete pump working procedure, lubricating auxiliary agent can be injected on the inwall of pump line more smoothly;
In concrete pumping process, pressurizing system works on, ensure that the pressure of lubricating auxiliary agent is greater than concrete pressure 1 ~ 5Mpa all the time, concrete can be avoided like this to be back in pressurizing system, affect lubrication effect, automatically regulate lubricating auxiliary agent flow according to the pump frequencies of concrete pump simultaneously, lubricating auxiliary agent is made to be evenly distributed between inner tube wall and concrete under different concrete flow quantity, the nozzle of lubricating auxiliary agent on multiple lubrication hole is ejected on pump line inwall smoothly, because lubrication hole quantity is more, therefore can ensure that lubricating auxiliary agent forms uniform lubricating film between concrete and pump line inwall, to reduce the frictional force between concrete and pump line inwall.
The present invention is in concrete pumping system process, be injected between concrete and pump line inwall after lubricating auxiliary agent is pressurizeed, to reduce the frictional force between concrete and pump line inwall, thus can when not improving concrete conveyance pump discharge pressure, realize the pumping of concrete high-efficiency superelevation extra long distance, reduce booster probability, and there is energy-conservation, noise reduction, green advantage, be applicable to the construction of concrete long Distance geometry super high pump-conveying.
Compared with existing concrete pumping technique, the present invention has the following advantages:
1, equal delivery head (distance) hydraulic pressure significantly reduces;
2, require to reduce to sealability and sealing material to hydraulic pressure and concrete conveyance pipeline;
3, booster and plugging probability is greatly reduced;
4, the requirement to concrete mix service behaviour is reduced;
The features such as 5, the present invention also has energy-conservation, noise reduction, safety, green.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. a concrete conveyance pipeline lubricating fitting, it is characterized in that, this device comprises: injection pipe, nozzle, pressurizing system and lubricating auxiliary agent container, described injection pipe is arranged between adjacent two pump lines that concrete coagulates in native delivery line, described injection pipe offers some lubrication holes in the one end away from concrete pump, the interior end opening of described lubrication hole installs nozzle, described nozzle towards consistent with concrete conveyance direction, the outer end opening of described lubrication hole is connected with pressurizing system, described pressurizing system is connected with lubricating auxiliary agent container by hydraulic tube, described lubricating auxiliary agent container content has lubricating auxiliary agent, described pressurizing system is used for sucking lubricating auxiliary agent in lubricating auxiliary agent container, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa.
2. device according to claim 1, it is characterized in that, this device also comprises the hollow sleeve be arranged on injection pipe, an airtight lubricating auxiliary agent cavity volume is formed between the inwall of described hollow sleeve and the outer wall of injection pipe, described lubricating auxiliary agent cavity volume is communicated with the outer end opening of lubrication hole, described hollow sleeve offers the hand-hole be connected with pressurizing system.
3. device according to claim 1, is characterized in that, the interior end opening of described lubrication hole is positioned on the end face of injection pipe.
4. a concrete conveyance pipeline lubricating method, is characterized in that, comprises the following steps:
S100, in the pipeline of concrete pumping system, install one or more concrete conveyance pipeline lubricating fitting as claimed in claim 1, the injection pipe of this device is arranged between adjacent two pump lines that concrete coagulates in native delivery line;
Before S200, concrete conveyance pump work, open pressurizing system, pressurizing system sucks lubricating auxiliary agent from lubricating auxiliary agent container, and lubricating auxiliary agent is forced into is greater than concrete pressure 1 ~ 5Mpa, lubricating auxiliary agent after pressurization is delivered in lubrication hole, then through nozzle ejection on the inwall of the pump line away from concrete pump;
S300, concrete conveyance pump work, by concrete conveyance to pump line, simultaneously, pressurizing system continuous firing, the pressure of lubricating auxiliary agent is made to be greater than concrete pressure 1 ~ 5Mpa all the time, lubricating auxiliary agent is by nozzle ejection between concrete and the inwall away from the pump line of concrete pump, and lubricating auxiliary agent forms uniform lubricating film between concrete and the inwall of this pump line.
5. method according to claim 4, it is characterized in that, in step S300, lubricating fitting regulates the flow of lubricating auxiliary agent automatically according to the frequency of concrete pumping, when the pumping number of times of concrete pump increases or reduces, the flow of lubricating auxiliary agent also increases thereupon or reduces.
6. method according to claim 4, is characterized in that, described method also comprises:
After S400, concrete pump end-of-job, the pipeline of cleaning concrete pumping system, pressurizing system works on, and lubricating auxiliary agent continues to be injected on the inwall of pump line with the pressure larger than concrete, and after treating pipeline-cleaning, pressurizing system quits work.
7. method according to claim 4, it is characterized in that, in the step s 100, described concrete conveyance pipeline lubricating fitting also comprises the hollow sleeve be arranged on injection pipe, an airtight lubricating auxiliary agent cavity volume is formed between the inwall of described hollow sleeve and the outer wall of injection pipe, described lubricating auxiliary agent cavity volume is communicated with the outer end opening of lubrication hole, described hollow sleeve offers the hand-hole be connected with pressurizing system; In step s 200, the lubricating auxiliary agent after pressurization is delivered in described lubricating auxiliary agent cavity volume, with the lubricating auxiliary agent pressure of stable pressurization.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480871.8A CN104266061A (en) | 2014-09-19 | 2014-09-19 | Concrete conveying pipeline lubricating device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410480871.8A CN104266061A (en) | 2014-09-19 | 2014-09-19 | Concrete conveying pipeline lubricating device and method |
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| CN104266061A true CN104266061A (en) | 2015-01-07 |
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| CN201410480871.8A Pending CN104266061A (en) | 2014-09-19 | 2014-09-19 | Concrete conveying pipeline lubricating device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628917A (en) * | 2017-02-20 | 2017-05-10 | 南京路鼎搅拌桩特种技术有限公司 | Pipeline earth moving machine with lubricating system |
| CN106865160A (en) * | 2017-02-20 | 2017-06-20 | 南京路鼎搅拌桩特种技术有限公司 | Lubricating system and pipeline earth mover for pipeline earth mover |
| CN111622779A (en) * | 2020-05-15 | 2020-09-04 | 中国矿业大学 | Pulse type pressure compensation long-distance concrete conveying device and using method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514420A1 (en) * | 1975-04-02 | 1976-10-21 | Schlecht Karl | Pipe for transporting concrete paste - has collar for intermittent injection of friction-reducing liquid |
| CN2132735Y (en) * | 1992-06-22 | 1993-05-12 | 曲永治 | Towerhoist and distributing two-purpose machine |
| CN1082134A (en) * | 1993-04-16 | 1994-02-16 | 浙江省围海工程公司 | A kind of pneumatic conveying of slurry method and system |
| GB2346191A (en) * | 1999-01-28 | 2000-08-02 | Qed Int Ltd | Pipeline lubricator |
| CN101410619A (en) * | 2006-04-04 | 2009-04-15 | 普茨迈斯特混凝土泵有限公司 | Piston pump for thick matter |
| CN201864348U (en) * | 2010-11-19 | 2011-06-15 | 中铁岩锋成都科技有限公司 | Middle air compensating device of sprayed concrete conveying pipeline |
| CN201972733U (en) * | 2011-03-22 | 2011-09-14 | 三一重型综采成套装备有限公司 | Nozzle device for adding cementing material underground |
| CN103074145A (en) * | 2012-10-30 | 2013-05-01 | 江苏博特新材料有限公司 | Lubricant for pumping concrete pipe |
| CN103423121A (en) * | 2012-05-15 | 2013-12-04 | 北京华德创业环保设备有限公司 | Energy-saving solid pump with function of improving lubrication of inner wall of material delivery pipeline |
| CN204083746U (en) * | 2014-09-19 | 2015-01-07 | 中建三局集团有限公司 | Concrete conveyance pipeline lubricating fitting |
-
2014
- 2014-09-19 CN CN201410480871.8A patent/CN104266061A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2514420A1 (en) * | 1975-04-02 | 1976-10-21 | Schlecht Karl | Pipe for transporting concrete paste - has collar for intermittent injection of friction-reducing liquid |
| CN2132735Y (en) * | 1992-06-22 | 1993-05-12 | 曲永治 | Towerhoist and distributing two-purpose machine |
| CN1082134A (en) * | 1993-04-16 | 1994-02-16 | 浙江省围海工程公司 | A kind of pneumatic conveying of slurry method and system |
| GB2346191A (en) * | 1999-01-28 | 2000-08-02 | Qed Int Ltd | Pipeline lubricator |
| CN101410619A (en) * | 2006-04-04 | 2009-04-15 | 普茨迈斯特混凝土泵有限公司 | Piston pump for thick matter |
| CN201864348U (en) * | 2010-11-19 | 2011-06-15 | 中铁岩锋成都科技有限公司 | Middle air compensating device of sprayed concrete conveying pipeline |
| CN201972733U (en) * | 2011-03-22 | 2011-09-14 | 三一重型综采成套装备有限公司 | Nozzle device for adding cementing material underground |
| CN103423121A (en) * | 2012-05-15 | 2013-12-04 | 北京华德创业环保设备有限公司 | Energy-saving solid pump with function of improving lubrication of inner wall of material delivery pipeline |
| CN103074145A (en) * | 2012-10-30 | 2013-05-01 | 江苏博特新材料有限公司 | Lubricant for pumping concrete pipe |
| CN204083746U (en) * | 2014-09-19 | 2015-01-07 | 中建三局集团有限公司 | Concrete conveyance pipeline lubricating fitting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628917A (en) * | 2017-02-20 | 2017-05-10 | 南京路鼎搅拌桩特种技术有限公司 | Pipeline earth moving machine with lubricating system |
| CN106865160A (en) * | 2017-02-20 | 2017-06-20 | 南京路鼎搅拌桩特种技术有限公司 | Lubricating system and pipeline earth mover for pipeline earth mover |
| CN111622779A (en) * | 2020-05-15 | 2020-09-04 | 中国矿业大学 | Pulse type pressure compensation long-distance concrete conveying device and using method |
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Application publication date: 20150107 |