CN207244392U - The energy-saving bituminous concrete Preparation equipment of high altitude localities - Google Patents

Abstract

The utility model discloses a kind of energy-saving bituminous concrete Preparation equipment of high altitude localities, including：To the drying system of mineral aggregate heating；For the heat-conducting oil heating system heated to pitch；By mineral aggregate and the mixing building of asphalt mixing, output meets the bituminous concrete of outlet temperature；The finished product bin being arranged on below the machine outlet of mixing building；Ring is located at the conduction pipe around finished product bin, and finished product bin is heated using the heat that conduction oil carries；The heating component being connected in storage bin and with conduction pipe is arranged on, so that the heat carried using the conduction oil from conduction pipe outflow heats storage bin.The equipment of the utility model, adjust the heating-up temperature of mineral aggregate and pitch in real time according to the temperature of asphalt concrete, improve the efficiency of heating surface, reduce energy loss, finished product bin and storage bin are heated using the heat that the conduction oil heated to pitch carries, the bituminous concrete heat for solving the problems, such as to export caused by temperature is low scatters and disappears, and saves the energy.

Description

The energy-saving bituminous concrete Preparation equipment of high altitude localities

Technical field

It the utility model is related to hydraulic and hydroelectric engineering field, more particularly to a kind of energy-saving pitch coagulation of high altitude localities Native Preparation equipment.

Background technology

With the fast development of domestic water conservancy construction of hydropower plant, process range, depth, earth formation present complicate, Diversification.In the prior art, when carrying out asphalt concrete core dam construction, need to often be carried out according to WR and hydropower construction specification, As provided in specification：

1st, could construct when the lowest temperature is less than 5mm more than 0 DEG C, wind-force less than 4 grades, intra day ward；

2nd, during asphalt concrete, the skin temperature for the lower floor's asphalt concrete layer being formerly laid with need to be 70 It can just continue be laid with asphalt concrete layer above more than DEG C；

3rd, the thickness for the asphalt concrete layer that individual layer is laid with cannot be more than 25cm；

4th, after asphalt concrete, rolled using the small vibrating less than 1.5t, to ensure laying Bituminous concrete is compacted；

5th, when carrying out asphalt concrete core dam construction, alkaline bone material need to be used, bitumen aggregate ratio 6.8%-7.1% it Between；

6th, when progress dam shell material fills, when the lowest temperature is below -10 DEG C, to stop constructing.

According to above-mentioned specification, in more than 3000 meters of height above sea level, often occur daily minimal tcmperature less than 0 DEG C, wind-force be more than 4 grades, High altitude localities of the intra day ward more than 5mm cannot then carry out the construction of asphaltic concrete core wall.

But due to the development of hydraulic and hydroelectric engineering construction, need often in high altitude localities operation, these areas are high and cold to be lacked Oxygen, rarefaction of air, daily minimal tcmperature are even less than -20 DEG C, and long-term wind-force is more than 4 grades, and there is small sleet in when, and (intra day ward is sometimes big In 10mm), in these areas, the composition physical and mechanical property of asphalt material and bituminous concrete can be subject to altitude environment factor Influence, it is therefore desirable to for these regional actual conditions develop it is a kind of be both suitable for local condition, also ensure that construction quality and Safety, the construction method for improving construction efficiency.

The content of the invention

The purpose of this utility model is exactly to overcome the above-mentioned problems of the prior art, there is provided a kind of high altitude localities Energy-saving bituminous concrete Preparation equipment, pitch coagulation to be laid can be adjusted in real time according to the temperature of asphalt concrete The outlet temperature of soil, improves the efficiency of heating surface, reduces energy loss, and the heat entrained by using the conduction oil to pitch heating Finished product bin and storage bin are heated, make full use of the waste heat of conduction oil, it is ensured that the temperature of raw material is preserved in storage bin, again Solve the problems, such as extremely frigid zones because temperature is low and caused by from mixing building output bituminous concrete heat quickly scatter and disappear, fully profit With the energy, the energy is saved.

In order to realize the above-mentioned purpose of the utility model, the energy-saving bituminous concrete of the high altitude localities of the utility model Preparation equipment includes：For the drying system heated according to the temperature of asphalt concrete to mineral aggregate；For Contain the asphalt tank of pitch；Conduction oil for being heated according to the temperature of asphalt concrete to asphalt tank adds Hot systems；The mix for being used to carry out the mineral aggregate after heating and pitch mix processing being connected respectively with drying system and asphalt tank Building, so that output meets the bituminous concrete of outlet temperature at the machine outlet of mixing building；It is arranged on the machine outlet of mixing building The finished product bin of lower section, to store the bituminous concrete from machine outlet output；Ring is located at around finished product bin and its entrance The conduction pipe being connected with the outlet of the heat-conducting oil heating system, so as to the conduction oil drainage that will be pumped out after heated asphalt tank Conduction pipe is crossed, finished product bin is heated using the heat that conduction oil carries；It is arranged on the storing for storing mineral aggregate and pitch In storehouse and heating component that its inlet is connected with the outlet of conduction pipe, to utilize the conduction oil from conduction pipe outflow The heat of carrying heats storage bin.

Wherein, the thermal conductive pipe outer cladding is used for the insulating layer kept the temperature.

Preferably, the insulating layer is by phenolic resin, polyurethane, rubber-plastic sponge, polyethylene, polystyrene foam, glass Any of cotton, rock wool are made.

Preferably, the drying system and the heat-conducting oil heating system have respectively is used to receive and process drip to be laid The receiver of the required outlet temperature of blue or green concrete.

In conclusion compared with prior art, prepared by the energy-saving bituminous concrete of the high altitude localities of the utility model Equipment has the beneficial effect that following aspect：

1st, the equipment of the utility model, there is ring to set the thermal conductive pipe around finished product bin and the peace being connected with thermal conductive pipe The heating component in the storage bin for storing mineral aggregate and pitch is put, so as to be taken using the conduction oil to pitch heating The heat of band heats finished product bin and storage bin, makes full use of the waste heat of conduction oil, it is ensured that raw material is preserved in storage bin Temperature, and solve extremely frigid zones because temperature is low and caused by ask from the bituminous concrete heat of mixing building output is lost quickly Topic, makes full use of the energy, saves the energy.

2nd, the equipment of the utility model, drying system and heat-conducting oil heating system have receiver respectively, so that each During mix bituminous concrete to be laid, heating temperature of the related system to mineral aggregate and pitch is controlled according to required outlet temperature Degree, avoids causing the feelings such as paving material deficiency or overheat all the time with same outlet temperature mix mineral aggregate and pitch in the prior art The generation of condition, is greatly improved the efficiency of heating surface, reduces energy loss, saves the energy.

Hereinafter, the utility model embodiment is described with reference to each attached drawing.

Brief description of the drawings

Fig. 1 is to carry out bituminous concrete using the energy-saving bituminous concrete Preparation equipment of the utility model high altitude localities The flow chart of preparation；

Fig. 2 is the temperature field-effect figure of the asphaltic concrete core wall of the utility model；

Fig. 3 is the structure diagram for the heat-preserving equipment that the utility model uses.

Embodiment

The high altitude localities of the utility model refers to more than 3000 meters areas of height above sea level.In more than 3000 meters of High aititude of height above sea level Area, most area mountain Gao Gushen, topography and geomorphology is various, formation lithology is complicated, coating is deep, conditions of transportation is poor. Overall high altitude localities vegetation is rare, rarefaction of air, and air pressure is relatively low, oxygen is less, and temperature is low, big (temperature difference is often big for day and night temperature In 20 DEG C, often occur daily minimal tcmperature between 0 DEG C to -20 DEG C, wind-force between 4-6 grades, intra day ward is more than 5mm Situation, daytime, solar radiation was strong, and night is relatively cold, and meteorological condition is extremely complex, and hydrogeological environment is severe, belonged to geology Disaster takes place frequently and earthquake-prone region.In this case, preserve asphaltic concrete core wall construction needed for various raw material with And, it is necessary to the energy for being largely used to provide heat be expended, moreover, dripping during preserving the asphalt concrete finished being prepared into During blue or green concrete construction, due to local climate reason may cause bituminous concrete temperature to be laid not up to standard and waste material, waste Resource, therefore, in order to adapt to such case, the utility model carries out the preparation of bituminous concrete using following energy-saving equipment.

The energy-saving bituminous concrete Preparation equipment of the high altitude localities of the utility model includes：Drip has been laid with for basis The drying system that the temperature of blue or green concrete heats mineral aggregate；For containing the asphalt tank of pitch；Spread for basis If the heat-conducting oil heating system that the temperature of bituminous concrete heats asphalt tank；Distinguish with drying system and asphalt tank The mixing building for being used to carry out the mineral aggregate after heating and pitch mix processing of connection, to be exported at the machine outlet of mixing building Meet the bituminous concrete of outlet temperature；The finished product bin being arranged on below the machine outlet of mixing building, to store from going out machine The bituminous concrete of mouth output；Ring is located at around finished product bin and its entrance is connected with the outlet of heat-conducting oil heating system Conduction pipe, so as to which the conduction oil pumped out after heated asphalt tank was drained conduction pipe, utilizes the heat pair of conduction oil carrying Finished product bin heats；Be arranged on for store mineral aggregate and pitch storage bin in and its inlet be connected with the outlet of conduction pipe Logical heating component, so that the heat carried using the conduction oil from conduction pipe outflow heats storage bin.

Wherein, since the pitch typical temperature of mix needed for mixing building is more than 150 DEG C, so needing to add using conduction oil Hot systems heat pitch, and the temperature for the conduction oil for being used to heat must be more than 150 DEG C, in heated asphalt Afterwards, conduction oil still carries amount of heat, and these heats are not collected and utilized in the prior art, cause amount of heat to damage Lose, cause energy consumption huge, for such case, the utility model is using equipment as shown in Figure 3 to for storing mix The finished product bin of bituminous concrete afterwards and the storage bin for storing mineral aggregate and pitch carry out isothermal holding.

Specifically, from the figure 3, it may be seen that to for storing the finished product bin of the bituminous concrete after mix and for storing mineral aggregate The equipment of isothermal holding is carried out with the storage bin of pitch to be included：Ring is located at the conduction pipe 103 around finished product bin, its entrance with Outlet for heating the heat-conducting oil heating system 100 of the asphalt tank 101 of storage pitch in it is connected, so as to heated asphalt tank The conduction oil pumped out after 101 drained conduction pipe 103, and the heat carried using conduction oil heats finished product bin 102；Set In the storage bin for storing the raw material such as mineral aggregate and pitch and confession that its inlet is connected with the outlet of conduction pipe 103 Warm component 104, to be heated using the heat that the conduction oil flowed out from conduction pipe 103 carries to storage bin.

Preferably, conduction pipe can use the helical pipe being spirally wound on from the bottom to top around finished product bin (in figure It is not shown), it can also use and introduce from finished product bin side, drawn after finished product bin bottom passes through from finished product bin opposite side Pipeline (as shown in Figure 3), can also use other arrangement modes can to finished product bin heat pipeline.

And in order to improve the heat entrained by the conduction oil to trickle in conduction pipe to the bituminous concrete in finished product bin Insulation effect, the utility model can also be used for the insulating layer 105 that keeps the temperature in thermal conductive pipe outer cladding, and insulating layer can use Any of phenolic resin, polyurethane, rubber-plastic sponge, polyethylene, polystyrene foam, mineral wool, rock wool material is made.It is excellent Choosing, the insulating layer of the utility model is made of rock wool, and rock wool ring is located to the periphery of conduction pipe, prevents conduction oil from carrying Heat leaks.

And for the ease of making above-mentioned conduction pipe 103 and asphalt tank 101, heat-conducting oil heating system 100, heating component 104 are respectively connected with leading to, and the utility model further includes：What is be connected with heat-conducting oil heating system 100 is used to convey the supervisor of conduction oil Main pipeline and each asphalt tank 101, is respectively connected with logical multiple subtubes 108, for will heating component 104 and heat conduction by road 107 The reflux line 106 that heating system for oil 100 is connected.During design, it can be respectively arranged to close on each pipeline or open The switching control pilot of corresponding pipeline or the flow control valve for adjusting fluid flow, in order to according to actual needs control conduction oil Flow direction and flow.In addition, to adjust the flowing velocity of conduction oil in conduction pipe, it can also set what is be connected with conduction pipe Kinetic pump (not shown).

Wherein, the utility model is determined needed for bituminous concrete to be laid according to the temperature of asphalt concrete Outlet temperature, the temperature of mineral aggregate and pitch to be heated is determined according to the outlet temperature, then passes through drying system and heat conduction Heating system for oil respectively heats mineral aggregate and pitch, therefore, the drying system and heat-conducting oil heating of the utility model System has the receiver for the required outlet temperature for being used to receive and process bituminous concrete to be laid respectively, is connect with will pass through Received outlet temperature converses the heating-up temperature of mineral aggregate and pitch respectively, then controls drying system and heat-conducting oil heating system Temperature by conversing is heated.

In the following, the energy-saving bituminous concrete Preparation equipment progress pitch of the high altitude localities using the utility model is mixed The preparation process for coagulating soil is described, its flow chart is as shown in Figure 1, as shown in Figure 1, which includes：

According to the temperature of asphalt concrete, determine the temperature of mineral aggregate to be heated, by drying system to mineral aggregate into Row heats；

According to the temperature of asphalt concrete, determine the temperature of heated bitumen to be added, pass through heat-conducting oil heating system pair The pitch being stored in asphalt tank is heated；

Mineral aggregate after heating and pitch are carried out by mix processing by mixing building, so as at the machine outlet of mixing building Output meets the bituminous concrete of outlet temperature；

By setting finished product bin below the machine outlet of mixing building, to store the pitch coagulation from machine outlet output Soil；

By around finished product bin ring set the water conservancy diversion that its entrance is connected with the outlet of the heat-conducting oil heating system Pipeline, so as to which the conduction oil pumped out after heated asphalt tank was drained conduction pipe, the heat carried using conduction oil is to finished product Feed bin heats；

By setting its inlet to be connected with the outlet of conduction pipe in the storage bin for storing mineral aggregate and pitch Heating component, so as to using from conduction pipe outflow conduction oil carry heat to storage bin heat.

S01, the temperature according to asphalt concrete, heat mineral aggregate by drying system, by leading Heating system of hot oil heats the pitch being stored in asphalt tank, and by mixing building by the mineral aggregate after heating Mix processing is carried out with pitch, so that output meets the bituminous concrete of outlet temperature at the machine outlet of mixing building.

Wherein, the utility model is determined to be laid by periodically detecting the temperature of the lower floor's asphalt concrete layer being laid with Outlet temperature needed for bituminous concrete, then, according to required outlet temperature, determines to be used to prepare the ore deposit of bituminous concrete The heating-up temperature of material and pitch, to control the temperature and heat-conducting oil heating system that drying system heats mineral aggregate The temperature heated to the pitch being stored in asphalt tank, thus by meet temperature mineral aggregate and asphalt delivery to mix Building and after mixing building mix, the temperature of the bituminous concrete exported from the machine outlet of mixing building reach required machine outlet temperature Degree.

Specifically, the utility model determines the outlet temperature needed for bituminous concrete as follows.

Step 1, after lower floor's asphalt concrete layer has been laid with, the temperature of detection lower floor asphalt concrete layer is to obtain temperature Degrees of data

After lower floor's asphalt concrete layer has been laid with, is rolled every time, periodically to the top layer of lower floor's asphalt concrete layer Temperature detection is carried out with each wall below top layer, is being spread to obtain the top layer of lower floor's asphalt concrete layer and each wall Fixed time temperature data after if.

Wherein, carrying out temperature detection to each wall below the top layer and top layer of lower floor's asphalt concrete layer includes：

Lower floor's asphalt concrete layer is divided into multiple walls along the depth direction of lower floor's asphalt concrete layer；

Multiple rows of test point is set along the radial direction of each wall, measuring point of often listing and indexing is included along the wall axial arranging Multiple test points；

After being rolled every time to lower floor's asphalt concrete layer, temperature detection is carried out respectively to multiple test points.

After carrying out temperature detection to multiple rows of test point of each wall, obtain lower floor's asphalt concrete layer top layer and Fixed time temperature data of each wall after laying below top layer.

Wherein, the spacing between each wall of the utility model can be 4-6cm, it is preferred that between each wall Spacing is 5cm, i.e. sets a wall every 5cm, and multiple test points are set on the wall.

After obtaining the top layer of lower floor's asphalt concrete layer and the fixed time temperature data of each wall, to top layer and each wall Multiple rows of test point temperature data first summed respectively, again be averaged value processing, mixed to obtain on lower floor's pitch The temperature data of top layer and each wall in diverse location and at different moments after solidifying soil layer laying.

After detecting the temperature of lower floor's asphalt concrete layer and obtaining temperature data, also to lower floor's asphalt concrete layer During being rolled, ground temperature, wind-force and precipitation are worked as in detection in real time, to obtain real-time weather data, and will obtain The temperature data of real-time weather data and lower floor's asphalt concrete layer carry out process of aggregation, be used to instruct High aititude to obtain The construction data-base of regional asphaltic concrete core wall construction.

Step 2, after the temperature data of lower floor asphalt concrete layer is obtained, according to temperature data, if as shown by data lower floor The skin temperature of asphalt concrete layer is less than 70 DEG C, it is determined that the pitch to be laid that will be laid with lower floor's asphalt concrete layer The outlet temperature and paving material of concrete.

After the temperature data of lower floor's asphalt concrete layer is obtained, if the top layer temperature of as shown by data lower floor asphalt concrete layer Degree is greater than or equal to 70 DEG C, then directly spreads bituminous concrete to be laid according to temperature when being laid with lower floor's asphalt concrete layer It is located on lower floor's asphalt concrete layer.

It should be noted that since the height above sea level of high altitude localities, temperature are low, in the next layer of pitch coagulation that pave After soil layer, the temperature drop of asphalt concrete layer quickly, after usual decking and rolling is complete, the table of the lower floor's asphalt concrete layer to have paved Layer temperature can all be less than 70 DEG C quickly, in the case, if being provided according to specification, it is necessary to which lower floor's asphalt concrete layer is dried It is roasting to heat, but since the limitation of the conditions such as geography, weather, so meeting can not be completed to construct, therefore, present inventor The following method of the utility model is proposed in the work that studies for a long period of time, i.e., is less than 70 in the skin temperature of lower floor's asphalt concrete layer DEG C when, continue the bituminous concrete that paves using following methods：

First, according to after the temperature data of the top layer of lower floor's asphalt concrete layer of acquisition and each wall, lower floor is obtained The top layer of asphalt concrete layer, the temperature drop change of wall；

Then, changed according to temperature drop, determine the bituminous concrete to be laid that will be laid with lower floor's asphalt concrete layer Outlet temperature and paving material.

Wherein, the intermediate layer of the utility model is the wall between the 8-12cm of span top layer, it is preferred that works as adjacent spaces When the spacing of layer is 5cm, intermediate layer is used away from the wall at the 10cm of top layer.

Preferably, changed according to temperature drop, determine the pitch coagulation to be laid that will be laid with lower floor's asphalt concrete layer The outlet temperature and paving material of soil include the following steps：

If the skin temperature of lower floor's asphalt concrete layer is between 40 DEG C -70 DEG C, the temperature drop in top layer and intermediate layer is less than or Equal to 30 DEG C, i.e. when skin temperature is greater than or equal to 40 DEG C, and intermediate layer temperature is greater than or equal to 70 DEG C (away from top layer 10cm When temperature drop between the wall at place and top layer is less than or equal to 30 DEG C), it is determined that go out on lower floor's asphalt concrete layer The outlet temperature for the bituminous concrete to be laid being laid with is 150 DEG C -170 DEG C, and paving material is 140 DEG C -150 DEG C；

If the skin temperature of lower floor's asphalt concrete layer be less than 40 DEG C, the temperature drop in top layer and intermediate layer be less than or equal to 30 DEG C, i.e. when skin temperature is less than 40 DEG C, intermediate layer temperature is less than 70 DEG C, but top layer and intermediate layer are (i.e. away between at the 10cm of top layer Interlayer) temperature drop be less than or equal to 30 DEG C when, it is determined that go out the pitch to be laid that will be laid with lower floor's asphalt concrete layer The outlet temperature of concrete is 160 DEG C -185 DEG C, and paving material is 150 DEG C -165 DEG C；

If the skin temperature of lower floor's asphalt concrete layer be less than 40 DEG C, and its top layer with away from the interval at the 5cm-6cm of top layer Temperature drop between layer (preferable, the utility model is using away from first wall at the 5cm of top layer) is more than 30 DEG C, then to lower floor Asphalt concrete layer carries out pre-add heat treatment, and to improve the surface temperature of lower floor's asphalt concrete layer, then in lower floor, pitch mixes Asphalt concrete above solidifying soil layer.

Further, according to temperature drop change determine bituminous concrete to be laid outlet temperature and paving material it Afterwards, it can also be changed according to temperature drop, accordingly determine the stone roller of asphalt concrete layer being laid with lower floor's asphalt concrete layer Before pressure temperature (i.e. just grind temperature, not less than 130 DEG C), so as to asphalt concrete layer temperature be more than roll before temperature when, it is right It is rolled.

Step 3, when using above-mentioned steps determine the outlet temperature of bituminous concrete to be laid after, by it is described go out machine Mouth temperature is sent to drying system and heat-conducting oil heating system, to be adjusted to the mix temperature of bituminous concrete to be laid Section, i.e. control drying system and heat-conducting oil heating system are to the heating-up temperature of mineral aggregate and pitch, so as to after mixing building stirs, The temperature of the bituminous concrete exported at the machine outlet of mixing building reaches required outlet temperature.

And after the temperature of the bituminous concrete exported at the machine outlet from mixing building reaches outlet temperature, will be from mix The bituminous concrete to be laid exported in building is transported at lower floor's asphalt concrete layer, and by bituminous concrete to be laid with above-mentioned The paving material determined in step is laid immediately on above lower floor's asphalt concrete layer, is mixed with will pass through the pitch being currently laid with Solidifying soil covers and heats lower floor's asphalt concrete layer, the top layer of lower floor's asphalt concrete layer melts away, and is dripped so as to be formed with lower floor Upper asphalt concrete layer of the junction of blue or green concrete layer docking without layering face (during asphalt concrete, while is disposably spread If Transition Materials).

Using nothing between the finally formed adjacent two layers be made of multilayer asphalt concrete layer, every of the utility model method With reference to the asphaltic concrete core wall in layering face, its temperature changes in field-effect from the bottom to top, and temperature field effect change can combine Fig. 2 Shown explanation.

It is n-th layer bituminous concrete and Transition Materials, the stand on N layers of asphalt concrete core dam shown in Fig. 2 N+1 layers of the bituminous concrete and the Longitudinal cross section schematic of Transition Materials of paving, wherein, A1-AM is respectively that N+1 layers of pitch mix The top layer of solidifying soil layer and each point on axis of each wall, B1-BM, C1-CM are respectively N+1 layers of pitch coagulation Soil layer and each point of the junction of the transition bed of material of its both sides, AN, BN, CN are respectively the axis of the asphalt concrete layer of n-th layer On point and the point that joins on the transition bed of material of asphalt concrete layer both sides with it.

When carrying out the construction of bituminous concrete using the method for the utility model, it can be seen that adjacent two layers pitch after construction The temperature and non-uniform change of the part core-wall formed after concrete speading, but show field-effect：In N+1 layers of pitch The temperature drop highest of A2 points on the axis in the intermediate layer of concrete, centered on A2 points, the temperature drop of vertical direction is higher than along level The temperature drop (more than N+1 layers of top layer being air, n-th layer is colder basal plane) in direction (i.e. width), but it is limited per layer thickness, Thickness is about 30-34cm, and width is up to more than 0.6-2m.It is possible thereby to know, during the bituminous concrete that paves, The top layer temperature drop of the bituminous concrete to pave will be faster than deep layer temperature drop, it is possible to using the method for the utility model, when having spread out , can be in the lower floor's asphalt concrete layer to have paved paving material immediately above when the skin temperature of the lower bituminous concrete of paving is relatively low Higher bituminous concrete, i.e., by the high bituminous concrete of temperature directly by the top layer of lower floor's asphalt concrete layer melt away and with It is docked, without layering at the faying face for the layers of asphalt concrete layer for making successively to pave, and the bituminous concrete heart formed The parameters of wall can reach code requirement.

Wherein, using the method for the utility model, the thickness of the bituminous concrete to pave every time can be more than 37cm, be less than or Equal to 40cm (thickness after rolling is more than 30cm, less than or equal to 34cm), paving thickness exceeds specification, with reference to quickly rolling, So that the temperature drop of the bituminous concrete to have paved slows down, better heat preservation, spreading speed is greatly improved, in the drip to having paved , it can be achieved that disposably paving in the case of blue or green surface temperature of concrete is grasped reasonably, i.e., without the bituminous concrete to having paved Surface carries out pre-add hot drying and processing, you can face paves last layer bituminous concrete directly over.

S02, by setting finished product bin below the machine outlet of mixing building, so as to store from machine outlet output pitch mix Solidifying soil, and by around finished product bin ring set the conduction pipe that its entrance is connected with the outlet of heat-conducting oil heating system, So as to which the conduction oil pumped out after heated asphalt tank was drained conduction pipe, the heat carried using conduction oil adds finished product bin Temperature；In addition, by setting its inlet to be connected with the outlet of conduction pipe in the storage bin for storing mineral aggregate and pitch Heating component, so as to using from conduction pipe outflow conduction oil carry heat to storage bin heat.To finished product bin and Storage bin, which carries out insulation, can use the said equipment of the utility model, no longer repeat herein.

In conclusion compared with prior art, prepared by the energy-saving bituminous concrete of the high altitude localities of the utility model Equipment has the beneficial effect that following aspect：

1st, the equipment of the utility model, there is ring to set the thermal conductive pipe around finished product bin and the peace being connected with thermal conductive pipe The heating component in the storage bin for storing mineral aggregate and pitch is put, so as to be taken using the conduction oil to pitch heating The heat of band heats finished product bin and storage bin, makes full use of the waste heat of conduction oil, it is ensured that raw material is preserved in storage bin Temperature, and solve extremely frigid zones because temperature is low and caused by ask from the bituminous concrete heat of mixing building output is lost quickly Topic, makes full use of the energy, saves the energy.

2nd, the equipment of the utility model, drying system and heat-conducting oil heating system have receiver respectively, so that each During mix bituminous concrete to be laid, heating temperature of the related system to mineral aggregate and pitch is controlled according to required outlet temperature Degree, avoids causing the feelings such as paving material deficiency or overheat all the time with same outlet temperature mix mineral aggregate and pitch in the prior art The generation of condition, is greatly improved the efficiency of heating surface, reduces energy loss, saves the energy.

Although above-mentioned elaborate the utility model, the utility model not limited to this, the skill of the art Art personnel can be modified with principle according to the present utility model, and therefore, all principles according to the utility model carry out various Modification all should be understood to fall into the scope of protection of the utility model.

Claims (4)

1. A kind of 1. energy-saving bituminous concrete Preparation equipment of high altitude localities, it is characterised in that including：

   For the drying system heated according to the temperature of asphalt concrete to mineral aggregate；

   For containing the asphalt tank of pitch；

   For the heat-conducting oil heating system heated according to the temperature of asphalt concrete to asphalt tank；

   The mixing building for being used to carry out the mineral aggregate after heating and pitch mix processing being connected respectively with drying system and asphalt tank, So that output meets the bituminous concrete of outlet temperature at the machine outlet of mixing building；

   The finished product bin being arranged on below the machine outlet of mixing building, to store the bituminous concrete from machine outlet output；

   Ring is located at the conduction pipe that around finished product bin and its entrance is connected with the outlet of the heat-conducting oil heating system, with Just the conduction oil pumped out after heated asphalt tank was drained into conduction pipe, the heat carried using conduction oil adds finished product bin Temperature；

   Be arranged on for store mineral aggregate and pitch storage bin in and the heating that is connected with the outlet of conduction pipe of its inlet Component, so that the heat carried using the conduction oil from conduction pipe outflow heats storage bin.
2. 2. equipment according to claim 1, it is characterised in that the thermal conductive pipe outer cladding is used for the insulating layer kept the temperature.
3. 3. equipment according to claim 2, it is characterised in that the insulating layer is by phenolic resin, polyurethane, rubber and plastic sea Any of silk floss, polyethylene, polystyrene foam, mineral wool, rock wool are made.
4. 4. according to claim 1-3 any one of them equipment, it is characterised in that the drying system and the heat-conducting oil heating System has the receiver for the required outlet temperature for being used to receive and process bituminous concrete to be laid respectively.