CN201941085U - Composite type forcible and continuous mixing station for cement concrete and asphalt concrete - Google Patents

Composite type forcible and continuous mixing station for cement concrete and asphalt concrete Download PDF

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Publication number
CN201941085U
CN201941085U CN2010206728429U CN201020672842U CN201941085U CN 201941085 U CN201941085 U CN 201941085U CN 2010206728429 U CN2010206728429 U CN 2010206728429U CN 201020672842 U CN201020672842 U CN 201020672842U CN 201941085 U CN201941085 U CN 201941085U
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China
Prior art keywords
aggregate
weighing hopper
mixer
cement
lifting
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CN2010206728429U
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Chinese (zh)
Inventor
宋斌
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威远镇西机械设备有限公司
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Priority to CN2010206728429U priority Critical patent/CN201941085U/en
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Abstract

The utility model relates to a composite type forcible and continuous mixing station for cement concrete and asphalt concrete, which comprises an aggregate metering hopper (1), an aggregate flat belt (23), a turning plate A (22), an aggregate lifting system and a mixing machine (17) and the aggregate metering hopper (1), the aggregate flatting belt (23), the turning plate A (22), the aggregate lifting system and the mixing machine (17) are sequentially arranged in a matched manner, wherein the aggregate lifting system comprises a cement-aggregate lifting device and an asphalt-aggregate drying, heating and lifting device which are arranged in parallel; and aggregate conveyed by the aggregate flat belt (23) is switched and conveyed to the cement-aggregate lifting device or the asphalt-aggregate drying, heating and lifting device by the turning plate A (22). The composite type forcible and continuous mixing station can be used for mixing the cement concrete and the asphalt concrete and has high working efficiency.

Description

The compound pressure continous way of cement concrete and bituminous concrete mixing plant
Technical field
The utility model is specifically related to a kind of cement concrete and the compound pressure continous way of bituminous concrete mixing plant.
Background technology
Cement concrete and bituminous concrete are two kinds of diverse concrete of character.Two kinds of concrete stirring production processes had both had something in common, had also had bigger difference.Up to the present, two kinds of concrete stirring productions are realized by the cement concrete stirring device of special use and asphalt mixing plant respectively, also do not have a kind of compound equipment can either mix cement concrete, can stir bituminous concrete again.
In two kinds of concrete stirring technique processes, all need material storage, metering, stirring etc., both main differences are to mix the temperature conditions that stirs.For bituminous concrete, the process that raw material stir into compound is to carry out under the hot conditions about up to 160 ℃, before mixing, accounts for the compound large percentage, as the main raw material(s) sandstone of aggregate, and Binder Materials pitch, all to be heated to high temperature; And for cement concrete, generally be to mix stirring at normal temperatures, indivedual occasions are taked the aggregate cooling, are adopted frozen water etc., except needs auxiliary refrigerating equipment, do not influence production process.
Existing asphalt concrete mixer all is step basically on the market, develops from the batch (-type) Cement Concrete Mixing.With respect to continous way, batch (-type) batching control technology simple, intuitive, realization easily, therefore full-fledged morning.But its device structure is huge, cost is higher, in addition with respect to the batch (-type) Cement Concrete Mixing, asphalt concrete mixer has increased the heating and the insulation of oven dry heating, vibrosieve, insulation storage and the pitch of aggregate again, makes that the problem of structure and cost is more outstanding.On the other hand, based on structural restriction, existing the batch (-type) bituminous mixing plant is absolutely not is used to produce cement concrete, so utilization rate of equipment and installations is very low, the long-term idle very big waste that causes.
Over past ten years, continuous concrete mixing plant technology has obtained tremendous development.But the development of the raising of the flow precision Control Technology of the especially unmanageable pulverulent material of raw material, whipping process theory and mixing time conditioning technology, the production technology level and the end product quality of continuous concrete mixing plant all are greatly improved, also produce in the continous way mode and lay a good foundation for bituminous concrete.
The utility model content
The technical problems to be solved in the utility model is, the compound pressure continous way of a kind of cement concrete and bituminous concrete mixing plant is provided, and this mixing plant concrete that can either mix cement can stir bituminous concrete, high efficiency again.
For addressing the above problem, the utility model by the following technical solutions:
The compound pressure continous way of a kind of cement concrete and bituminous concrete mixing plant, comprise the aggregate weighing hopper, aggregate flat belt, turnover panel A, aggregate elevator system and the mixer that are equipped with successively, described aggregate elevator system comprises parallel cement aggregate lifting device that is provided with and asphalt aggregate oven dry heating-lifting device, and the aggregate that described aggregate flat belt is carried is delivered to cement aggregate lifting device or asphalt aggregate oven dry heating-lifting device by turnover panel A switching.
Further, described cement aggregate lifting device comprises main belt conveyor; Described asphalt aggregate oven dry heating-lifting device comprises heated roller, is arranged on burner, vertical elevator on the heated roller; This heated roller is connected with the bottom of vertical elevator; The delivery outlet of described vertical elevator is provided with turnover panel B and waste material bucket, and the output aggregate of vertical elevator is delivered to mixer or waste material bucket by turnover panel B switching.
Further, described mixer top is provided with the pitch weighing hopper, and this pitch weighing hopper is connected with the pitch warehouse by pipeline, and the discharging opening of this pitch weighing hopper leads to the mixer feeding mouth.
Further, described mixer top is provided with filler bin and powder weighing hopper, and the discharging opening of this powder weighing hopper leads to the mixer feeding mouth.
Further, described mixer top is provided with the additive weighing hopper, and this additive weighing hopper is connected with the additive warehouse by pipeline, and the discharging opening of this additive weighing hopper leads to the mixer feeding mouth.
Further, described mixing plant is provided with water tank, and water tank leads to the mixer feeding mouth by pipeline, on this pipeline turbine flowmeter is set.
Further, the exhaust outlet of described heated roller is provided with air-introduced machine and dedusting filter.
Further, described mixer discharging opening is provided with the finished product bucket.
Further, described aggregate weighing hopper, pitch weighing hopper, powder weighing hopper and additive weighing hopper are the decrement scale, and wherein, the quantity of described aggregate weighing hopper, powder weighing hopper and additive warehouse disposes according to actual demand respectively.
The utility model compared with prior art has following advantage:
1) the utility model is to be suitable for multiple concrete to stir the full function agitating device of producing, aspect the concrete that mixes cement, the utility model has been inherited the advantage of continous way mixing plant, except normal concrete, for the batch (-type) mixing plant, also be particularly suitable for water steady, dry concrete production such as roll; The utility model is under the basic framework of continuous concrete mixing plant, increase independently pitch heating and heat-insulating device and asphalt flow meter amount control device, and promote at original metering back aggregate and to have increased the parallel aggregate oven dry heating-lifting device of a cover on the path, so, aggregate promotes by original lifting device when producing cement concrete, aggregate is cut into parallel asphalt aggregate oven dry heating-lifting device when producing bituminous concrete, with this production demand that has satisfied the bituminous concrete of needs heating, realize the same device concrete that can mix cement, can stir the purpose of bituminous concrete again.So aspect building field, especially road construction, can greatly reduce the cost input of equipment, improve the operating efficiency and the utilization rate of equipment.
2) the utility model has been inherited the intrinsic design feature of continous way mixing plant, and for the batch (-type) mixing plant, its production process link is few, simple and compact for structure, floor space is little, direct cost is low; Power is little, and production process stable working, load balancing bring advantages such as low impact and low wearing and tearing thus, and its use cost is also relatively low.
3) traditional bituminous concrete production process, cold aggregate compound is heated oven dry earlier, rises to vibrating screen classifier then and sieves; The hot aggregate of each specification of screening back is stored into different insulation warehouses, measure by ratio requirement again during production, this kind mode does not require substantially for the raw-material grain composition of aggregate, but need dispose the insulation warehouse of vibration screening mechanism, each specification aggregate of a plurality of correspondence above mixer; Before the utility model hot aggregates the raw-material grain composition of each specification aggregate is had relatively high expectations, but saved huge vibrosieve and insulation warehouse, greatly simplified system configuration, reduced equipment cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Embodiment
As shown in Figure 1, the utility model comprises aggregate weighing hopper 1, aggregate flat belt 23, turnover panel A22, aggregate elevator system and the mixer 17 that is equipped with successively, described aggregate elevator system comprises parallel cement aggregate lifting device that is provided with and asphalt aggregate oven dry heating-lifting device, and the aggregate that described aggregate flat belt 23 is carried is delivered to cement aggregate lifting device or asphalt aggregate oven dry heating-lifting device by turnover panel A22 switching.
Described cement aggregate lifting device is main belt conveyor 21; Described asphalt aggregate oven dry heating-lifting device comprises heated roller 20, is arranged on burner 19, vertical elevator 6 on the heated roller 20; This heated roller 20 is connected with the bottom of vertical elevator 6; The delivery outlet of described vertical elevator 6 is provided with turnover panel B7 and waste material bucket 18, and the output aggregate of vertical elevator 6 is delivered to mixer 17 or waste material bucket 18 by turnover panel B7 switching; The dust that waste gas that burning produces in the heated roller 20 and aggregate produce when rolling heating is extracted out by air-introduced machine 3, and through cyclone dust collectors 2 and mist dust remover 4 two-stage dust removal process, water pump 5 provides the water source for mist dust remover 4.
Described aggregate weighing hopper 1 is for adopting the decrement scale of belt proportioning machine, and belt is hauled out aggregate weighing hopper 1 with aggregate during batching, calculates the batching flow with the weight that aggregate weighing hopper 1 loses.The belt proportioning machine in blending process, according to the proportioning and the actual flow of each aggregate, is accurately controlled the instantaneous delivery of each aggregate by variable frequency regulating speed control; The quantity of aggregate weighing hopper 1 can dispose according to actual needs, and 3 to 5 of general configuration are used for the batching of the aggregate of different size.In the variety classes concrete production, the kind and the specification of possible aggregate are distinguished to some extent, but do not need to dispose the aggregate of enough all kinds, when producing the variety classes concrete, can change the aggregate that some weighing hopper is adorned as required.
Described mixer 17 tops are provided with pitch weighing hopper 10, and this pitch weighing hopper 10 is connected with pitch warehouse 11 by pipeline, and the discharging opening of this pitch weighing hopper 10 leads to mixer 17 feeding mouths.Pitch weighing hopper 10 and pitch warehouse 11 are exclusively used in bituminous concrete production.Pitch weighing hopper 10 is the decrement scale equally, comes the calculated flow rate size according to the minimizing of weight.Pitch weighing hopper 10 adopts gear pump as proportioning machine, variable frequency regulating speed control pitch flow size.Because the particularity of pitch, its warehouse, weighing hopper, pipeline have all been taked to heat and the insulation measure.Heating and being incubated is the asphalt concrete mixer standard practice, utilizes the heat exchange heating and insulation of conduction oil circulation time, and conduction oil is heated by special-purpose heat-conducting oil furnace.
Described mixer 17 tops are provided with filler bin 9 and powder weighing hopper 8, and the discharging opening of this powder weighing hopper 8 leads to mixer 17 feeding mouths.Powder weighing hopper 8, filler bin 9, quantity can dispose according to actual needs.Powder weighing hopper 8 is the decrement scale equally, adopts the disc type proportioning machine, and variable frequency regulating speed control can accurately be controlled the raw-material flow of powdery.Cement concrete is produced a general configuration cement, coal ash, breeze etc., and bituminous concrete production then needs to dispose stone flour.
Described mixing plant is provided with water tank 15, and water tank 15 leads to mixer 17 feeding mouths by pipeline, and turbine flowmeter 14 is set on this pipeline.Described mixer 17 discharging openings are provided with finished product bucket 16.Described mixer 17 tops are provided with additive weighing hopper 12, and this additive weighing hopper 12 is connected with additive warehouse 13 by pipeline, and the discharging opening of this additive weighing hopper 12 leads to mixer 17 feeding mouths.Liquid water and additive all are used for the production of cement concrete, all adopt water pump as proportioning machine.The flow of water when the water in the water tank 15 then adopts turbine flowmeter 14 to measure batching; Additive weighing hopper 12 is the decrement scale equally, comes the calculated flow rate size according to the minimizing of weight, according to flow size variable frequency regulating speed control water pump.Additive weighing hopper 12 disposes according to the actual requirements with the quantity of additive warehouse 13, is generally 2 to 3 covers.
In two types of concrete production technical process, except aggregate transport path difference, other raw material all are delivered directly to mixer.During production, determine each raw-material consumption by prescription, its proportioning of unwanted raw material is set to zero and gets final product; In addition, continous way stirs in the production process, and raw material enter from the charging aperture that is positioned at mixer one end continuously, and circle round stirrings, limit of limit pushed ahead, and the finished product material is from the discharging opening release of the other end.Therefore, each raw material of continous way manufacturing technique requirent should arrive mixer import department synchronously, guarantee that each raw-material ratio all meets ratio requirement at any time in the finished product material.
Because it is known that arbitrary raw material are transported to the time of mixer import, the time of delivery of material 1 and material 2 is respectively T1 and T2, therefore, with respect to starting constantly, each raw-material actual discharging is postponed the zero hour, material 1 time delay of 2 is respectively Td1 and Td2 with material among the figure, make equate the time delay of each material with the time of delivery sum, for material 1 and material 2, Td1+T1=Td2+T2, like this, the discharging of time of delivery raw material elder generation long, that distance is far away, each raw material just can arrive synchronously in mixer import department; When stopping to produce, with respect to stopping constantly,, just can make each raw material at the same EOS of mixer import department to each raw-material actual delay the same when starting that stops expecting constantly in addition.
When cement concrete was produced, according to above-mentioned start and stop principle, it was synchronous to control each raw material, and concrete production process is as follows:
After aggregate is exported to aggregate flat belt 23 through aggregate weighing hopper 1, fixedly translate into the diagram right positions by turnover panel A22, the aggregate that aggregate weighing hopper 1 is allotted promotes by main belt elevator 21, directly enter mixer 17, arrive mixer 17 synchronously with cement, coal ash, breeze, additive and water etc., export to finished product bucket 16 after mixing stirs; When stopping to produce, with respect to stopping constantly,, just can make each raw material at the same EOS of mixer import department to each raw-material actual delay the same when starting that stops expecting constantly in addition.
In the technical process of producing bituminous concrete, with one of difference of other existing bituminous mixing plants, it is exactly the cold grating of aggregate, be that each specification aggregate measures at normal temperatures, compound after the metering is promoted by vertical elevator 6 at last and enters mixer 17 productions again by heated roller 20 oven dry heating.Need a process because cold aggregate enters and fill up heated roller 20, burner 19 control firepower also need a process, so the stub bar temperature may not satisfy technological requirement.Turnover panel B7 is used to derive the stub bar and material tail of aggregate.
When bituminous concrete was produced, the factors of controlling owing to the moisture degree of aggregate, the early stage aggregate heating firepower of startup such as randomness caused aggregate surely to rise the uncertainty of time, and sequence starting is divided into two stages:
1) the order start and stop between each aggregate: produce startup constantly, each aggregate elder generation sequence starting, after aggregate is exported to aggregate flat belt 23 through aggregate weighing hopper 1, fixedly translate into the diagram leftward position by turnover panel A22, the aggregate that aggregate weighing hopper 1 is allotted imports heated roller 20, heats to aggregate under the effect of burner 19, heating, drying and reach the requirement temperature after, hot aggregate promotes fortune through vertical elevator 6 and gives turnover panel B7, and discharging is early stage, and turnover panel B7 imports waste material bucket 18 with the aggregate stub bar; Aggregate temperature promptly imports mixer 17 by turnover panel B7 with aggregate after reaching requirement;
2) the order start and stop between hot aggregate and pitch, the stone flour: in the moment that provides 17 instructions of hot aggregate incision mixer, hot aggregate, pitch, stone flour begin sequence starting and enter mixer 17 synchronously and carry out bituminous concrete and stir, and export to finished product bucket 16 after stirring.
Equally, because temperature, in the process latter stage that stops to produce, turnover panel B7 imports waste material bucket 18 with aggregate material tail.After once producing end, the material in the waste material bucket 18 is emitted and reclaimed.
When production stopped, aggregate order earlier stopped, and need subtract fire then gradually until flame-out.When hot aggregate has been carried soon or its temperature cut out when exceeding claimed range, hot aggregate, pitch, stone flour began to enter and stopped in proper order delaying time this moment.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that the technical solution of the utility model extends out or change still are in protection domain of the present utility model.

Claims (9)

1. cement concrete and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that, comprise the aggregate weighing hopper (1), aggregate flat belt (23), the turnover panel A(22 that are equipped with successively), aggregate elevator system and mixer (17), described aggregate elevator system comprises parallel cement aggregate lifting device that is provided with and asphalt aggregate oven dry heating-lifting device; The aggregate that described aggregate flat belt (23) is carried is by turnover panel A(22) switching is delivered to the cement aggregate lifting device or asphalt aggregate is dried heating-lifting device.
2. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant is characterized in that described cement aggregate lifting device comprises main belt conveyor (21); Described asphalt aggregate oven dry heating-lifting device comprises heated roller (20), is arranged on burner (19), vertical elevator (6) on the heated roller (20); This heated roller (20) is connected with the bottom of vertical elevator (6); The delivery outlet of described vertical elevator (6) is provided with turnover panel B(7) and waste material bucket (18), the output aggregate of vertical elevator (6) is by turnover panel B(7) switch and be delivered to mixer (17) or waste material bucket (18).
3. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that, described mixer (17) top is provided with pitch weighing hopper (10), this pitch weighing hopper (10) is connected with pitch warehouse (11) by pipeline, and the discharging opening of this pitch weighing hopper (10) leads to mixer (17) feeding mouth.
4. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that, described mixer (17) top is provided with filler bin (9) and powder weighing hopper (8), and the discharging opening of this powder weighing hopper (8) leads to mixer (17) feeding mouth.
5. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that, described mixer (17) top is provided with additive weighing hopper (12), this additive weighing hopper (12) is connected with additive warehouse (13) by pipeline, and the discharging opening of this additive weighing hopper (12) leads to mixer (17) feeding mouth.
6. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that, described mixing plant is provided with water tank (15), and water tank (15) leads to mixer (17) feeding mouth by pipeline, and turbine flowmeter (14) is set on this pipeline.
7. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant is characterized in that the exhaust outlet of described heated roller (20) is provided with air-introduced machine (3) and dedusting filter.
8. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant is characterized in that described mixer (17) discharging opening is provided with finished product bucket (16).
9. cement concrete according to claim 1 and the compound pressure continous way of bituminous concrete mixing plant, it is characterized in that described aggregate weighing hopper (1), pitch weighing hopper (10), powder weighing hopper (8) and additive weighing hopper (12) are the decrement scale.
CN2010206728429U 2010-12-21 2010-12-21 Composite type forcible and continuous mixing station for cement concrete and asphalt concrete CN201941085U (en)

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CN2010206728429U CN201941085U (en) 2010-12-21 2010-12-21 Composite type forcible and continuous mixing station for cement concrete and asphalt concrete

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493312A (en) * 2011-11-14 2012-06-13 余金全 Asphalt recovery coating vibration reciprocating blender and asphalt coating process thereof
CN102502258A (en) * 2011-12-07 2012-06-20 郝志付 Vibrating conveyor capable of heating
CN102979027A (en) * 2012-11-12 2013-03-20 南阳市亚龙筑路机械制造有限公司 Multipurpose continuous mixing device
CN105133465A (en) * 2015-09-17 2015-12-09 江苏华通动力重工有限公司(中外合资) Multifunctional plant mixing equipment
CN105583139A (en) * 2016-01-15 2016-05-18 江苏广吴建设园林有限公司 Aggregate dust removal device for cement stabilized macadam and cement stabilized macadam mixing station
CN111331735A (en) * 2020-05-06 2020-06-26 许昌德通振动搅拌技术有限公司 Mixing station control method and device and mixing station

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493312A (en) * 2011-11-14 2012-06-13 余金全 Asphalt recovery coating vibration reciprocating blender and asphalt coating process thereof
CN102493312B (en) * 2011-11-14 2014-06-18 余金全 Asphalt recovery coating process
CN102502258A (en) * 2011-12-07 2012-06-20 郝志付 Vibrating conveyor capable of heating
CN102979027A (en) * 2012-11-12 2013-03-20 南阳市亚龙筑路机械制造有限公司 Multipurpose continuous mixing device
CN105133465A (en) * 2015-09-17 2015-12-09 江苏华通动力重工有限公司(中外合资) Multifunctional plant mixing equipment
CN105583139A (en) * 2016-01-15 2016-05-18 江苏广吴建设园林有限公司 Aggregate dust removal device for cement stabilized macadam and cement stabilized macadam mixing station
CN111331735A (en) * 2020-05-06 2020-06-26 许昌德通振动搅拌技术有限公司 Mixing station control method and device and mixing station

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Effective date of registration: 20150327

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Address before: 642453, Neijiang County, Sichuan City, Weiyuan Province Town West Village guard 5 groups

Patentee before: Weiyuan Zhenxi Machinery Equipment Co.,Ltd.

Effective date of registration: 20150327

Address after: 642450, room 2, unit 10, 402 garden, Weiyuan City, Neijiang, Sichuan

Patentee after: Song Bin

Address before: 642453, Neijiang County, Sichuan City, Weiyuan Province Town West Village guard 5 groups

Patentee before: Weiyuan Zhenxi Machinery Equipment Co.,Ltd.

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