CN102632553B - Additive supply system of building material preparation facilities - Google Patents
Additive supply system of building material preparation facilities Download PDFInfo
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- CN102632553B CN102632553B CN201210110295.9A CN201210110295A CN102632553B CN 102632553 B CN102632553 B CN 102632553B CN 201210110295 A CN201210110295 A CN 201210110295A CN 102632553 B CN102632553 B CN 102632553B
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- control valve
- additive
- supply system
- valve
- material preparation
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- 239000000654 additive Substances 0.000 title claims abstract description 150
- 230000000996 additive effect Effects 0.000 title claims abstract description 147
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000004566 building material Substances 0.000 title abstract 3
- 239000004035 construction material Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 8
- 239000010426 asphalt Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 7
- 238000005086 pumping Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses an additive supply system of a building material preparation device, which comprises weighing devices (31, 32), a plurality of additive tanks (11, 12) and a plurality of pumps (21, 22), characterized in that the admixture supply system further comprises a first control valve (81) and a second control valve (82), an inlet of the first control valve (81) is communicated with the plurality of admixture tanks (11, 12), an outlet of the first control valve (81) is communicated with inlets of the plurality of pumps (21, 22), an inlet of the second control valve (82) is communicated with outlets of the plurality of pumps (21, 22), an outlet of the second control valve (82) is communicated with the weighing devices (31, 32), the arbitrary admixture tanks (11, 12) can be made to communicate with the weighing devices (31, 32) through one of the pumps (21, 22) by the first control valve (81) and the second control valve (82). The additive supply system improves the working efficiency, and further improves the working efficiency of the whole building material preparation device.
Description
Technical field
The present invention relates to construction material preparation facilities field, such as concrete batch plant, asphalt mixing plant etc., particularly, relate to a kind of additive supply system of construction material preparation facilities.
Background technology
Additive applies to the preparation of various construction materials in a large number, the such as preparation of concrete preparation, pitch etc.Take concrete mixing plant (concrete batch plant) as example, generally include proportioning machine, oblique belt feeder, main building, stirring host, Weighing system, additive supply system, electrical system etc.In current concrete, generally all will add two or more additive, existing additive supply system adopts the separate feeding unit of many covers to supply different additives conventionally.The additive supply system that is for example illustrated in figure 1 two kinds of additives of supply, comprises the feeding unit that two covers are separate.Wherein a set of feeding unit comprises additive tank 11, pump 21, meausring apparatus 31 and three ball valves 41 ', 51 ', 61 '.Between the entrance of pump 21 and additive tank 11, by ball valve 41 ', be communicated with, the outlet of pump 21 is communicated with by ball valve 51 ' with meausring apparatus 31, by opening ball valve 41 ', 51 ', can optionally the additive in additive tank 11 be transported to meausring apparatus 31 and weigh, after then mixing with water, send into stirring host and stir together with cement.When not needing to carry the additive in additive tank 11, close ball valve 41 ', 51 '.The outlet of pump 21 is also communicated with additive tank 11 by ball valve 61 ', thereby when not needing to carry the additive in additive tank 11, by opening ball valve 61 ', can utilize pump 21 that the additive in additive tank 11 is circulated, thereby prevent additive precipitation, segregation.Another set of feeding unit comprises additive tank 12, pump 22, meausring apparatus 32 and three ball valves 42 ', 52 ', 62 ', and the connected mode that it is concrete and aforementioned a set of feeding unit are similar, do not repeat them here.
Because needs are manufactured concrete continuously, in each cycle, need at least to open, close pump 21,22 once, and start continually and stop unfavorable to pump 21,22, in actual production, pump 21,22 easily breaks down, thereby cause the operating efficiency of additive supply system lower, once a certain pump 21,22 breaks down, needs cost is gone to maintenance for a long time or changed, and then can affect the operating efficiency of whole concrete mixing plant.
Summary of the invention
The object of this invention is to provide the additive supply system of the construction material preparation facilities that a kind of operating efficiency is higher.
To achieve these goals, the invention provides a kind of additive supply system of construction material preparation facilities, this additive supply system comprises meausring apparatus, multiple additive tanks and multiple pump, wherein, this additive supply system also comprises the first control valve and the second control valve, the entrance of described the first control valve is communicated with described multiple additive tanks, the outlet of described the first control valve is communicated with the entrance of described multiple pumps, the entrance of described the second control valve is communicated with described multiple delivery side of pump, the outlet of described the second control valve is communicated with described meausring apparatus, by described the first control valve and the second control valve, can make any described additive tank be communicated with described meausring apparatus by pump described in one of them.
Preferably, described the first control valve and/or described the second control valve are solenoid directional control valve.
Preferably, the quantity of described additive tank, pump and meausring apparatus is respectively two, and described the first control valve and/or described the second control valve are two-position four-way solenoid directional control valve.
Preferably, the outlet of described the second control valve is also communicated with described multiple additive tanks respectively by multiple circulation lines, on each described circulation line, is provided with the first switch valve.
Preferably, described the first switch valve is normally closed type reversal valve.
Preferably, this additive supply system comprises multiple described meausring apparatuses, on the pipeline between the outlet of described the second control valve and each described meausring apparatus, is respectively arranged with second switch valve.
Preferably, described second switch valve is reversal valve open in usual.
Preferably, described the first switch valve is normally closed type reversal valve, and described the first switch valve and the described second switch valve that are communicated with the same outlet of described the second control valve link each other.
Preferably, described the first switch valve and/or described second switch valve are bi-bit bi-pass solenoid directional control valve.
Preferably, on the pipeline between the outlet of described the second control valve and described meausring apparatus, be also serially connected with check valve, this check valve allows additive from the outlet one-way conduction of described the second control valve to described meausring apparatus.
Preferably, described construction material preparation facilities is concrete batch plant or asphalt mixing plant.
In the additive supply system of above-mentioned construction material preparation facilities provided by the invention, when normal condition, the additive in multiple additive tanks can be transported to meausring apparatus by pump separately and weigh.When certain or some pumps break down, by operating the first control valve and the second control valve, the pump that can normally work by other is carried the additive in the additive tank corresponding with this fault pump, thereby can not break down and cause whole additive supply system to quit work because of certain or some pumps, thereby improved the operating efficiency of additive supply system, and then improved the operating efficiency of whole construction material preparation facilities.
Other features and advantages of the present invention are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the principle schematic of the additive supply system of existing concrete mixing plant;
Fig. 2 is according to the principle schematic of the additive supply system of the construction material preparation facilities of one embodiment of the present invention;
Fig. 3 is the schematic control flow chart of the additive supply system of construction material preparation facilities as shown in Figure 2.
Description of reference numerals
11,12 additive tanks; 21,22 pumps;
31,32 meausring apparatuses; 41,42 circulation lines;
51,52 first switch valves; 61,62 second switch valves;
71,72 check valves; 81 first control valves;
82 second control valves.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
As shown in Figure 2, a kind of additive supply system of construction material preparation facilities is provided according to one embodiment of the present invention, this additive supply system comprises meausring apparatus 31, 32, multiple additive tanks 11, 12 and multiple pump 21, 22, wherein, this additive supply system also comprises the first control valve 81 and the second control valve 82, the entrance of described the first control valve 81 and described multiple additive tank 11, 12 are communicated with, the outlet of described the first control valve 81 and described multiple pump 21, 22 entrance is communicated with, the entrance of described the second control valve 82 and described multiple pump 21, 22 outlet is communicated with, the outlet of described the second control valve 82 and described meausring apparatus 31, 32 are communicated with, by described the first control valve 81 and the second control valve 82, can make any described additive tank 11, 12 by pump 21 described in one of them, 22 with described meausring apparatus 31, 32 are communicated with.
In the additive supply system of above-mentioned construction material preparation facilities provided by the invention, when normal condition, the additive in multiple additive tanks 11,12 can be transported to meausring apparatus 31,32 by pump 21,22 separately and weigh.For example, when certain or some pumps (pump 21) break down, by operating the first control valve 81 and the second control valve 82, the pump (for example pump 22) that can normally work by other is carried the additive in the additive tank 11 corresponding with this fault pump 21, thereby can not break down and cause whole additive supply system to quit work because of certain or some pumps 21, thereby improved the operating efficiency of additive supply system, and then improved the operating efficiency of whole construction material preparation facilities.
Described the first control valve 81, the second control valve 82 can be various suitable valves or valve combination, be used for switching the entrance and exit of each pump 21,22 and the respective line of required additive tank 11,12 is communicated with, thereby for the additive in this additive tank 11,12 of pumping.As a kind of embodiment, described the first control valve 81, the second control valve 82 can be reversal valve, thereby by switching and realize above-mentioned functions between each working position.Preferably, described the first control valve 81 and/or described the second control valve 82 can be solenoid directional control valve, thereby are convenient to realize automatic control.This first control valve 81, the second control valve 82 particular types can be determined according to the quantity of the quantity of additive tank and meausring apparatus, for example as shown in Figure 2, described additive tank 11,12, pump 21,22 and meausring apparatus 31,32 quantity is respectively two, and described the first control valve 81 and described the second control valve 82 are two-position four-way solenoid directional control valve.Certainly, additive supply system can also comprise more additive tanks and/or more meausring apparatus, for example, when the quantity of additive tank, pump and meausring apparatus is respectively three, described the first control valve 81 and described the second control valve 82 can be three six-way transfer valves.Certainly, the quantity of additive tank, pump and meausring apparatus also can be unequal, the quantity of for example pump and the quantity of meausring apparatus also can be less than the quantity of additive tank, just now cannot carry the additive in each additive tank simultaneously, and can only alternately carry.
Preferably, as shown in Figure 2, the outlet of described the second control valve 82 is also communicated with described multiple additive tanks 11,12 respectively by multiple circulation lines 41,42, on each described circulation line 41,42, is provided with the first switch valve 51,52.When not needing to carry the additive in additive tank 11,12, by making the first switch valve 51,52 conductings, can make corresponding additive tank 11,12 circulate by pump 21,22, thereby prevent additive precipitation, segregation.This first switch valve 51,52 can adopt various suitable valves to realize, due to the closed condition of this 51,52 most of the time of the first switch valve remain off, therefore preferably, as shown in Figure 2, this first switch valve 51,52 is normally closed type reversal valve, thereby can reduce by the first switch valve 51,52 number of operations, life-extending.More preferably, this first switch valve 51,52 is normally closed type solenoid directional control valve (for example normally closed type bi-bit bi-pass solenoid directional control valve) as shown in Figure 2, thereby is convenient to realize automatic control.
Additive supply system can comprise one or more meausring apparatuses, and preferably, this additive supply system comprises multiple described meausring apparatuses 31,32, thereby multiple meausring apparatuses 31,32 can be supplied multiple additive simultaneously, improved the operating efficiency of additive supply system.More preferably, the quantity of meausring apparatus is identical with the quantity of additive tank, thereby can supply all additives simultaneously, thereby the operating efficiency of additive supply system is maximized.Now, on the pipeline between the outlet of described the second control valve 82 and each described meausring apparatus 31,32, can be respectively arranged with second switch valve 61,62.When needs are during to meausring apparatus 31,32 supply additive, open with the corresponding pipeline of this meausring apparatus 31,32 on second switch valve 61,62, otherwise close this second switch valve 61,62.
This second switch valve 61,62 can adopt various suitable valves to realize, because these 61,62 mosts of the time of second switch valve keep the open mode of conducting, therefore preferably, as shown in Figure 2, this second switch valve 61,62 is reversal valve open in usual, thereby can reduce second switch valve 61,62 number of operations, life-extending.More preferably, this second switch valve 61,62 is solenoid directional control valve open in usual (for example bi-bit bi-pass solenoid directional control valve open in usual) as shown in Figure 2, thereby is convenient to realize automatic control.
Due to additive tank 11,12 or by pump 21,22 and meausring apparatus 31,32 are communicated with to carry additive, or self circulates by pump 21,22, therefore at described the first switch valve 51 being communicated with the same outlet of described the second control valve 82,52 and described second switch valve 61,62 in, for example, when one (the first switch valve 51 wherein, 52) while opening, another one (for example second switch valve 61,62) need to be closed, and vice versa.Therefore described the first switch valve 51,52 and the described second switch valve 61,62 that more preferably, are communicated with the same outlet of described the second control valve 82 link each other.Thereby can prevent operate miss (for example simultaneously opening or closing the first switch valve 51,52 and second switch valve 61,62), and simplify control program.
Preferably, as shown in Figure 2, the outlet of described the second control valve 82 and described meausring apparatus 31, on pipeline between 32, be also serially connected with check valve 71,72, this check valve 71,72 allow additive from the outlet one-way conduction of described the second control valve 82 to described meausring apparatus 31,32.Acting as of this check valve 71,72, prevents that a kind of additive residual in former pipeline from entering in another additive tank by pipeline, thereby affects additive quality.
Above-mentioned additive supply system can be applied to various suitable construction material preparation facilities, for example can be for concrete batch plant, asphalt mixing plant etc.
Below take the operating process of the additive supply system of embodiment construction material preparation facilities of the present invention as example illustrates as shown in Figure 2.
(1) when two pumps 21,22 can both normally be worked, the first control valve 81, the second control valve 82, two the first switch valves 51,52 and two second switch valves 61,62 all must not electricity, pump 21 is connected with additive tank 11 and meausring apparatus 31, pump 22 is connected with additive tank 12 and meausring apparatus 32, thereby open corresponding pump 21,22 and just the additive in corresponding additive tank 11,12 can be transported to corresponding meausring apparatus 31, in 32, weigh, to supply additive.When not needing to supply the additive in additive tank 11, make the first switch valve 51 and second switch valve 61 obtain electric, thereby by pump 21, the additive in additive tank 11 is circulated.When not needing to supply the additive in additive tank 12, make the first switch valve 52 and second switch valve 62 obtain electric, thereby by pump 22, the additive in additive tank 11 is circulated.
(2) when pump 21 breaks down, the first control valve 81, the second control valve 82 are all obtained electric, just can make pump 22 be connected with additive tank 11.Thereby the first switch valve 51 and second switch valve 61 must not time be transported to the additive in additive tank 11 in meausring apparatus 31 and weigh by pump 22 by electricity, the first switch valve 51 and second switch valve 61 by pump 22, the additive in additive tank 11 is circulated when electric.Make the first control valve 81, the second control valve 82 all must not electricity, just can return to the state that pump 22 is connected with additive tank 12.Thereby the first switch valve 52 and second switch valve 62 must not time be transported to the additive in additive tank 12 in meausring apparatus 32 and weigh by pump 22 by electricity, the first switch valve 52 and second switch valve 62 by pump 22, the additive in additive tank 12 is circulated when electric.
(3) when pump 22 breaks down, the first control valve 81, the second control valve 82 are all obtained electric, just can make pump 21 be connected with additive tank 12.Thereby the first switch valve 52 and second switch valve 62 must not time be transported to the additive in additive tank 12 in meausring apparatus 32 and weigh by pump 21 by electricity, the first switch valve 52 and second switch valve 62 by pump 21, the additive in additive tank 12 is circulated when electric.Make the first control valve 81, the second control valve 82 all must not electricity, just can return to the state that pump 21 is connected with additive tank 11.Thereby the first switch valve 51 and second switch valve 61 must not time be transported to the additive in additive tank 11 in meausring apparatus 31 and weigh by pump 21 by electricity, the first switch valve 51 and second switch valve 61 by pump 21, the additive in additive tank 11 is circulated when electric.
In embodiment as shown in Figure 2, can also realize automatic control by the electric control system of construction material preparation facilities.Control system is two pumps 21 of monitoring in real time, 22 duty, when control system does not receive fault-signal, according to the control mode control of above-mentioned (1) the first control valve 81, the second control valve 82, two the first switch valves 51,52 and two second switch valves 61,62, to realize supply and the circulation of additive.As shown in Figure 3, when control system receives fault-signal, can first judge the pump that breaks down (be pump 21, or pump 22, or both), then according to operating mode, judge whether to need termination of pumping.If need termination of pumping, to pump 21,22, send stopping signal.If do not need termination of pumping, according to control mode control the first control valve 81,82, two the first switch valves 51,52 of the second control valve and two second switch valves 61,62 of above-mentioned (2), (3), to realize supply and the circulation of additive.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. the additive supply system of a construction material preparation facilities, this additive supply system comprises meausring apparatus (31, 32), multiple additive tanks (11, 12) and multiple pump (21, 22), it is characterized in that, this additive supply system also comprises the first control valve (81) and the second control valve (82), the entrance of described the first control valve (81) and described multiple additive tank (11, 12) be communicated with, the outlet of described the first control valve (81) and described multiple pump (21, 22) entrance is communicated with, the entrance of described the second control valve (82) and described multiple pump (21, 22) outlet is communicated with, the outlet of described the second control valve (82) and described meausring apparatus (31, 32) be communicated with, by described the first control valve (81) and the second control valve (82), can make any described additive tank (11, 12) by pump (21 described in one of them, 22) with described meausring apparatus (31, 32) be communicated with.
2. the additive supply system of construction material preparation facilities according to claim 1, is characterized in that, described the first control valve (81) and/or described the second control valve (82) are solenoid directional control valve.
3. the additive supply system of construction material preparation facilities according to claim 1, it is characterized in that, described additive tank (11,12), pump (21,22) and meausring apparatus (31,32) quantity is respectively two, and described the first control valve (81) and/or described the second control valve (82) are two-position four-way solenoid directional control valve.
4. the additive supply system of construction material preparation facilities according to claim 1, it is characterized in that, the outlet of described the second control valve (82) is also by multiple circulation lines (41,42) respectively with described multiple additive tanks (11,12) be communicated with, on each described circulation line (41,42), be provided with the first switch valve (51,52).
5. the additive supply system of construction material preparation facilities according to claim 4, is characterized in that, described the first switch valve (51,52) is normally closed type reversal valve.
6. the additive supply system of construction material preparation facilities according to claim 4, it is characterized in that, this additive supply system comprises multiple described meausring apparatuses (31,32), the outlet of described the second control valve (82) and each described meausring apparatus (31,32) on the pipeline between, be respectively arranged with second switch valve (61,62).
7. the additive supply system of construction material preparation facilities according to claim 6, is characterized in that, described second switch valve (61,62) is reversal valve open in usual.
8. the additive supply system of construction material preparation facilities according to claim 7, it is characterized in that, described the first switch valve (51,52) be normally closed type reversal valve, described the first switch valve (51 being communicated with the same outlet of described the second control valve (82), 52) and described second switch valve (61,62) link each other.
9. the additive supply system of construction material preparation facilities according to claim 6, is characterized in that, described the first switch valve (51,52) and/or described second switch valve (61,62) are bi-bit bi-pass solenoid directional control valve.
10. the additive supply system of construction material preparation facilities according to claim 1, it is characterized in that, the outlet of described the second control valve (82) and described meausring apparatus (31,32) on the pipeline between, be also serially connected with check valve (71,72), this check valve (71,72) allows additive from the outlet one-way conduction of described the second control valve (82) to described meausring apparatus (31,32).
11. according to the additive supply system of the construction material preparation facilities described in any one in claim 1 to 10, it is characterized in that, described construction material preparation facilities is concrete batch plant or asphalt mixing plant.
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| CN201210110295.9A CN102632553B (en) | 2012-04-16 | 2012-04-16 | Additive supply system of building material preparation facilities |
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| CN201210110295.9A CN102632553B (en) | 2012-04-16 | 2012-04-16 | Additive supply system of building material preparation facilities |
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| CN104015264A (en) * | 2013-12-15 | 2014-09-03 | 广西鱼峰水泥股份有限公司 | Cement additive weighing device |
| CN103737724A (en) * | 2013-12-19 | 2014-04-23 | 柳州乘龙专用车有限公司 | Electric control retarding device of concrete stirring vehicle |
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