CN209891002U - Multistage segmentation mix cold addition regeneration asphalt concrete plantmix equipment - Google Patents
Multistage segmentation mix cold addition regeneration asphalt concrete plantmix equipment Download PDFInfo
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- CN209891002U CN209891002U CN201920685975.0U CN201920685975U CN209891002U CN 209891002 U CN209891002 U CN 209891002U CN 201920685975 U CN201920685975 U CN 201920685975U CN 209891002 U CN209891002 U CN 209891002U
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Abstract
The embodiment of the utility model discloses a multistage segmentation mix cold addition reclaimed asphalt concrete plant mixing equipment, which relates to the field of construction equipment and comprises a frame body, a hot material scale, a cold addition material scale, a primary mixing cylinder, a hot material storage bin and a secondary mixing cylinder, wherein the hot material scale and the cold addition material scale are arranged on the upper part of the frame body; the primary mixing cylinder is arranged below the hot material scale and the cold additive scale; the feed inlet of the primary mixing cylinder is respectively connected with the discharge outlet of the hot material scale and the discharge outlet of the cold additive scale; the feed inlet of the hot material storage bin is connected with the discharge outlet of the primary mixing cylinder, and the discharge outlet of the hot material storage bin is connected with the feed inlet of the secondary mixing cylinder. The number of mixing cylinders is increased, so that the new asphalt concrete and the old asphalt concrete are mixed more uniformly, the heat released by the new asphalt concrete is utilized to fully dissolve the old asphalt concrete, and the quality of a finished product is improved. The asphalt concrete plant mixing equipment has the advantages of simple structure, low production cost and low energy consumption, and ensures the mixture ratio of the old materials and the high product quality to the maximum extent.
Description
Technical Field
The embodiment of the utility model provides a relate to the architectural equipment field, concretely relates to cold regeneration pitch concrete plant mixing equipment that adds of multistage segmentation mix.
Background
The existing cold addition old asphalt concrete technology can only add 15% of old asphalt concrete, more than 15% of the old asphalt concrete needs hot addition, and the hot addition needs a series of equipment such as a regeneration roller and the like, so that the production cost is increased; because the heating mode of hot addition is direct-fired heating, the heat loss is large, the energy consumption is high, the asphalt aging is easily caused, the original asphalt concrete mixing ratio is changed, and the product quality cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a multistage segmentation mix cold addition regeneration asphalt concrete plant mixing equipment to there is the poor problem of quality of manufacturing cost height, energy consumption height and product in the old asphalt concrete technique of solving current interpolation.
In order to achieve the above object, an embodiment of the present invention provides a multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment, which includes a frame body, a hot material scale, a cold addition material scale and a primary mixing cylinder, wherein the hot material scale and the cold addition material scale are arranged on the upper portion of the frame body; the primary mixing cylinder is arranged below the hot material scale and the cold additive scale and is connected with the frame body; the feed inlet of the primary mixing cylinder is respectively connected with the discharge outlet of the hot material scale and the discharge outlet of the cold addition material scale; the multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment further comprises a hot material storage bin which is arranged below the primary mixing cylinder and connected with the frame body, and a secondary mixing cylinder which is arranged below the hot material storage bin and connected with the frame body; the feed inlet of hot material storage storehouse with the discharge gate of once mix the jar is connected, the discharge gate of hot material storage storehouse with the feed inlet of secondary mix jar is connected.
Further, the model of the primary mixing cylinder is the same as that of the secondary mixing cylinder.
Correspondingly, the utility model also provides a multistage segmentation mix cold addition regeneration asphalt concrete plant mixing equipment, the multistage segmentation mix cold addition regeneration asphalt concrete plant mixing equipment includes support body, hot material balance, cold addition material balance and once mix jar, hot material balance and cold addition material balance set up in the upper portion of the support body; the primary mixing cylinder is arranged below the hot material scale and the cold additive scale and is connected with the frame body; the feed inlet of the primary mixing cylinder is respectively connected with the discharge outlet of the hot material scale and the discharge outlet of the cold addition material scale; the multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment further comprises a secondary mixing cylinder and a tertiary mixing cylinder, wherein the secondary mixing cylinder is arranged below the primary mixing cylinder and connected with the frame body, and the tertiary mixing cylinder is arranged below the secondary mixing cylinder and connected with the frame body; the feed inlet of secondary mix jar with the discharge gate of primary mix jar is connected, the discharge gate of secondary mix jar with the feed inlet of cubic mix jar is connected.
Furthermore, the models of the primary mixing cylinder, the secondary mixing cylinder and the tertiary mixing cylinder are the same.
The embodiment of the utility model provides a have following advantage:
1. the utility model discloses multistage segmentation mix cold addition regeneration asphalt concrete plant mixing equipment makes new asphalt concrete and old asphalt concrete mix more evenly through the quantity that increases the mix jar to the heat that utilizes new asphalt concrete release makes old asphalt concrete fully open, improves off-the-shelf quality.
2. The utility model discloses multistage segmentation mix cold addition regeneration asphalt concrete plantmix equipment has prolonged the contact time of new asphalt concrete and old asphalt concrete through the leading-in hot material storage storehouse storage of new asphalt concrete after with the mix for a certain time with old asphalt concrete, makes the heat of new asphalt concrete release fully transmit for old asphalt concrete, ensures that old asphalt concrete fully changes out, further improves off-the-shelf quality.
3. For current hot interpolation technique, the utility model discloses multistage segmentation mix cold interpolation regeneration asphalt concrete plantmix equipment of embodiment has simple structure, low in production cost, the energy consumption is low and the advantage that the product quality is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of a multistage sectional mixing cold addition recycled asphalt concrete plant mixing device provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a multistage sectional mixing cold addition recycled asphalt concrete plant mixing device provided by another embodiment of the present invention.
Description of reference numerals: 10. a frame body; 20. a hot material scale; 30. cold addition of material scales; 40. a primary mixing cylinder; 50. a hot material storage bin; 60. a secondary mixing cylinder; 70. and (5) mixing the cylinder for three times.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment comprises a frame body 10, a hot material scale 20, a cold addition material scale 30, a primary mixing cylinder 40, a hot material storage bin 50 and a secondary mixing cylinder 60, wherein the frame body 10 is a cuboid frame body formed by welding a plurality of angle steels. Since the hot material balance 20, the cold additive balance 30, the primary mixing cylinder 40, the hot material storage bin 50 and the secondary mixing cylinder 60 are all devices which can be directly purchased in the market, the specific structures thereof are not described in detail. The hot material balance 20 and the cold addition material balance 30 are arranged on the upper portion of the frame body 10, the hot material balance 20 is used for weighing the heated crushed stone, the cold addition material balance 30 is used for weighing the unheated old asphalt concrete, and the crushed stone and the old asphalt concrete can be ensured to enter the primary mixing cylinder 40 according to a certain proportion by weighing the raw materials. The primary mixing cylinder 40 is arranged below the hot material balance 20 and the cold additive balance 30 and is connected with the frame body 10; the feed inlet of first mixing jar 40 is connected with the discharge gate of hot material balance 20, the discharge gate of cold addition material balance 30 respectively, hot material storage bin 50 sets up in the below of first mixing jar 40, secondary mixing jar 60 sets up in the below of hot material storage bin 50, hot material storage bin 50 and secondary mixing jar 60 all are connected with support body 10, the feed inlet of hot material storage bin 50 is connected with the discharge gate of first mixing jar 40, the discharge gate of hot material storage bin 50 is connected with the feed inlet of secondary mixing jar 60. The primary mixing cylinder 40 and the secondary mixing cylinder 60 in this embodiment are the same in type, so as to ensure that the feeding speed of the raw material is consistent with the discharging speed of the finished product. For current hot interpolation technique, the utility model discloses multistage segmentation mix cold interpolation regeneration asphalt concrete plantmix equipment of embodiment has simple structure, low in production cost, the energy consumption is low and the advantage that the product quality is high.
Correspondingly, the utility model also provides a multistage segmentation mix cold addition regeneration asphalt concrete plant mixing method corresponding with above-mentioned embodiment, multistage segmentation mix cold addition regeneration asphalt concrete plant mixing method includes following steps:
step a, respectively weighing the heated crushed stone and unheated old asphalt concrete by using a hot material scale 20 and a cold additive scale 30;
the temperature of the heated crushed stone is higher, so that a large amount of heat can be released, the initial temperature of the crushed stone is higher than 220 ℃ in the embodiment, and the old asphalt concrete does not need to be heated, so that a series of equipment such as a regeneration roller and the like is not needed, and the production cost is effectively reduced. Before the raw materials enter the primary mixing cylinder 40, the crushed stone and the old asphalt concrete need to be respectively weighed, so that the crushed stone and the old asphalt concrete are ensured to enter the primary mixing cylinder 40 according to a certain proportion, and the influence of the excessive amount of the old asphalt concrete on the quality of a finished product is avoided.
B, introducing the crushed stone and the old asphalt concrete into a primary mixing cylinder 40, adding asphalt to carry out primary mixing, and forming new asphalt concrete by the crushed stone and the asphalt;
the crushed stone and the old asphalt concrete enter a primary mixing cylinder 40 to be mixed for the first time, so that the crushed stone and the old asphalt concrete are mixed together, and the heat released by the crushed stone is transferred to the old asphalt concrete, so that part of the old asphalt concrete is dissolved. Then adding asphalt, and forming new asphalt concrete by using broken stone and asphalt.
C, guiding the new asphalt concrete and the old asphalt concrete which are mixed for the first time into a hot material storage bin 50 for storage for a certain time;
because the heat conduction speed of the asphalt is low, the storage time of the new asphalt concrete and the old asphalt concrete in the hot material storage bin 50 is longer than 15min, and the new asphalt concrete and the old asphalt concrete have longer contact time during the storage period of the hot material storage bin 50, so that most of the old asphalt concrete can be dissolved. The mixed new asphalt concrete and old asphalt concrete are led into the hot material storage bin 50 to be stored for a certain time, so that the contact time between the new asphalt concrete and the old asphalt concrete is prolonged, the heat released by the new asphalt concrete is fully transferred to the old asphalt concrete, the old asphalt concrete is fully dissolved, and the quality of a finished product is further improved.
And d, introducing the new asphalt concrete and the old asphalt concrete into the secondary mixing cylinder 60 for secondary mixing.
The new asphalt concrete and the old asphalt concrete are mixed more uniformly through secondary mixing, and the new asphalt concrete transfers the heat carried by the new asphalt concrete to the remaining old asphalt concrete which is not dissolved during mixing, so that the quality of a finished product is improved.
As shown in fig. 2, in another embodiment of the present invention, the multi-stage sectional mixing cold addition recycled asphalt concrete plant mixing equipment comprises a frame body 10, a hot material scale 20, a cold addition material scale 30, a primary mixing cylinder 40, a secondary mixing cylinder 60 and a tertiary mixing cylinder 70, wherein the frame body 10 is a cuboid frame body formed by welding a plurality of angle steels. Since the hot material balance 20, the cold additive balance 30, the primary mixing cylinder 40, the secondary mixing cylinder 60 and the tertiary mixing cylinder 70 are all devices which can be directly purchased in the market, the specific structures thereof are not described in detail. The hot material balance 20 and the cold additive balance 30 are arranged on the upper portion of the frame body 10, the hot material balance 20 is used for weighing the heated gravel, and the cold additive balance 30 is used for weighing the unheated old asphalt concrete, so that the gravel and the old asphalt concrete are ensured to enter the primary mixing cylinder 40 according to a certain proportion. The primary mixing cylinder 40 is arranged below the hot material balance 20 and the cold additive balance 30 and is connected with the frame body 10; the feed inlet of the primary mixing cylinder 40 is respectively connected with the discharge outlet of the hot material balance 20 and the discharge outlet of the cold additive balance 30, the secondary mixing cylinder 60 is arranged below the primary mixing cylinder 40, the tertiary mixing cylinder 70 is arranged below the secondary mixing cylinder 60, and both the secondary mixing cylinder 60 and the tertiary mixing cylinder 70 are connected with the frame body 10; the feed inlet of the secondary mixing cylinder 60 is connected with the discharge outlet of the primary mixing cylinder 40, and the discharge outlet of the secondary mixing cylinder 60 is connected with the feed inlet of the tertiary mixing cylinder 70. In order to ensure that the feeding speed of the raw materials is consistent with the discharging speed of the finished product, in this embodiment, the models of the primary mixing cylinder 40, the secondary mixing cylinder 60 and the tertiary mixing cylinder 70 are all the same.
Correspondingly, the utility model also provides a multistage segmentation mix cold addition regeneration asphalt concrete plant mixing method corresponding with above-mentioned embodiment, multistage segmentation mix cold addition regeneration asphalt concrete plant mixing method includes following steps:
step a, respectively weighing the heated crushed stone and unheated old asphalt concrete by using a hot material scale 20 and a cold additive scale 30;
the temperature of the heated crushed stone is higher, the initial temperature of the crushed stone in the embodiment is higher than 220 ℃, and the old asphalt concrete does not need to be heated, so that a series of equipment such as a regeneration roller and the like does not need to be added, and the production cost is effectively reduced. Before the raw materials enter the primary mixing cylinder 40, the crushed stone and the old asphalt concrete need to be respectively weighed, so that the crushed stone and the old asphalt concrete are ensured to enter the primary mixing cylinder 40 according to a certain proportion, and the influence of the excessive amount of the old asphalt concrete on the quality of a finished product is avoided.
B, introducing the crushed stone and the old asphalt concrete into a primary mixing cylinder 40, adding asphalt to carry out primary mixing, and forming new asphalt concrete by the crushed stone and the asphalt;
the crushed stone and the old asphalt concrete enter the primary mixing cylinder 40 to be mixed for the first time, the crushed stone and the old asphalt concrete are mixed together, and the heat released by the crushed stone is transferred to the old asphalt concrete to dissolve part of the old asphalt concrete. Then adding asphalt, and forming new asphalt concrete by using broken stone and asphalt.
C, introducing the new asphalt concrete and the old asphalt concrete subjected to the primary mixing into a secondary mixing cylinder 60 for secondary mixing;
the new asphalt concrete and the old asphalt concrete are mixed more uniformly after being mixed for the second time, and most of the old asphalt concrete is dissolved by the heat released by the new asphalt concrete.
D, introducing the new asphalt concrete and the old asphalt concrete after the secondary mixing into a tertiary mixing cylinder 70 for tertiary mixing;
the new asphalt concrete and the old asphalt concrete are mixed more uniformly after being mixed for three times, and the mixing for three times is equivalent to prolonging the contact time of the new asphalt concrete and the old asphalt concrete, so that more heat released by the new asphalt concrete is transferred to the old asphalt concrete, the old asphalt concrete is ensured to be fully dissolved, and the quality of a finished product is further improved. In order to ensure that the feeding speed of the raw materials is consistent with the discharging speed of the finished product, the mixing time of the primary mixing, the secondary mixing and the tertiary mixing is equal.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. The multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment comprises a frame body, a hot material scale, a cold addition material scale and a primary mixing cylinder, wherein the hot material scale and the cold addition material scale are arranged on the upper part of the frame body; the primary mixing cylinder is arranged below the hot material scale and the cold additive scale and is connected with the frame body; the feed inlet of the primary mixing cylinder is respectively connected with the discharge outlet of the hot material scale and the discharge outlet of the cold addition material scale; the plant mixing equipment is characterized by also comprising a hot material storage bin and a secondary mixing cylinder, wherein the hot material storage bin is arranged below the primary mixing cylinder and connected with the frame body, and the secondary mixing cylinder is arranged below the hot material storage bin and connected with the frame body; the feed inlet of hot material storage storehouse with the discharge gate of once mix the jar is connected, the discharge gate of hot material storage storehouse with the feed inlet of secondary mix jar is connected.
2. The multi-stage sectional mixing cold addition recycled asphalt concrete plant mixing equipment according to claim 1, wherein the type of the primary mixing cylinder is the same as that of the secondary mixing cylinder.
3. The multistage sectional mixing cold addition recycled asphalt concrete plant mixing equipment comprises a frame body, a hot material scale, a cold addition material scale and a primary mixing cylinder, wherein the hot material scale and the cold addition material scale are arranged on the upper part of the frame body; the primary mixing cylinder is arranged below the hot material scale and the cold additive scale and is connected with the frame body; the feed inlet of the primary mixing cylinder is respectively connected with the discharge outlet of the hot material scale and the discharge outlet of the cold addition material scale; the plant mixing equipment is characterized by further comprising a secondary mixing cylinder and a tertiary mixing cylinder, wherein the secondary mixing cylinder is arranged below the primary mixing cylinder and connected with the frame body, and the tertiary mixing cylinder is arranged below the secondary mixing cylinder and connected with the frame body; the feed inlet of secondary mix jar with the discharge gate of primary mix jar is connected, the discharge gate of secondary mix jar with the feed inlet of cubic mix jar is connected.
4. The multi-stage sectional stirring cold addition recycled asphalt concrete plant mixing equipment according to claim 3, wherein the models of the primary stirring cylinder, the secondary stirring cylinder and the tertiary stirring cylinder are the same.
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| CN201920685975.0U CN209891002U (en) | 2019-05-14 | 2019-05-14 | Multistage segmentation mix cold addition regeneration asphalt concrete plantmix equipment |
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| CN201920685975.0U CN209891002U (en) | 2019-05-14 | 2019-05-14 | Multistage segmentation mix cold addition regeneration asphalt concrete plantmix equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004797A (en) * | 2019-05-14 | 2019-07-12 | 那小东 | A kind of cold addition regeneration asphalt concrete plant mix equipment of multistage subsection mix and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004797A (en) * | 2019-05-14 | 2019-07-12 | 那小东 | A kind of cold addition regeneration asphalt concrete plant mix equipment of multistage subsection mix and method |
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