CN207206740U - A kind of aggregate preheats precooling integrated apparatus - Google Patents

Abstract

The utility model discloses a kind of aggregate to preheat precooling integrated apparatus,The aggregate of whereabouts and the hot air impingement risen,Aggregate is set to absorb heat,Because on-tube radially distributes,Therefore the hot gas of spilling is made to be uniformly dispersed,Improve contact of the aggregate with hot gas,The hand of spiral of first pushing spiral blade and the second pushing spiral blade is opposite,Therefore aggregate is by the reciprocal agitation in left and right,During agitation,The heat of first hollow rotating shaft and the second hollow rotating shaft is absorbed by aggregate,Further improve the pre-heat effect to aggregate,When needing to carry out precooling to aggregate,Magnetic valve corresponding to opening can be such that three-way pipe is connected with cooler bin,The utility model be capable of selectivity aggregate is preheated and precooling,And preheat and precooling efficiency high,Save the engineering time.

Description

A kind of aggregate preheats precooling integrated apparatus

Technical field

Technical field of concrete construction is the utility model is related to, specifically a kind of aggregate preheating precooling is integrally disguised Put.

Background technology

During building large-scale hydraulic building on the plateau in China and severe cold area, because dam concrete is in nature Under the conditions of pour shorter using the time, constrain the normal construction time of dam engineering.To meet that concrete is low in the winter time Normal construction under gentle summer high temperature execution conditions, it is necessary to take technological measure to freeze or heat aggregate.

Conventional method is air-cooled to aggregate progress using Special refrigerating equipment, and without heating equipment, aggregate is heated It can only take and steam comb be set in batching plant batch can aggregate is heated, heating efficiency is low in this way, Er Qiezheng Vapour comb is easily damaged, and seriously constrains the work efficiency of batching plant heating concrete.

Utility model content

The purpose of this utility model is to provide a kind of aggregate preheating precooling integrated apparatus, to solve the above-mentioned back of the body The problem of being proposed in scape technology.

To achieve the above object, the utility model provides following technical scheme：

A kind of aggregate preheats precooling integrated apparatus, including mixing cylinder, and the inner lower of the mixing cylinder is horizontal Be provided with the first hollow rotating shaft, the inner lower of mixing cylinder is horizontally arranged with the second hollow rotating shaft, first hollow rotating shaft and The first pushing spiral blade and the second pushing spiral blade, the first pusher have been respectively fixedly connected with the surface of second hollow rotating shaft The hand of spiral of helical blade and the second pushing spiral blade on the contrary, the first hollow rotating shaft and the second hollow rotating shaft respectively with mixing and stirring The side wall of cylinder rotates connection, is provided with First Transition case on the left of the mixing cylinder, the first hollow rotating shaft and second hollow turn The left end of axle and First Transition case are rotated connection, and the second transition case, the first hollow rotating shaft are provided with the right side of the mixing cylinder Rotate and connect with the second transition case with the right-hand member of the second hollow rotating shaft, heater box and cooling are provided with the downside of the mixing cylinder The left and right sidewall of case, the heater box and cooler bin fixes connection respectively three-way pipe, connects respectively with heater box and cooler bin Magnetic valve is separately installed with two branched pipes of logical three-way pipe, rear pump, rear pump are installed at the three-way pipe in left side Output end connected by the way that the first efferent duct and First Transition case are mutually fixed, positioned at right side three-way pipe by the first input pipe with Second transition case is mutually fixed to be connected, and the surface of the mixing cylinder is provided with the drive of the first hollow rotating shaft of driving and the second hollow rotating shaft Dynamic device, the intermediate surface upside of the mixing cylinder are fixedly connected with donought, and the First Transition case passes through the second efferent duct With donought mutually fixed connection, the second transition case passes through the mutually fixed connection of the second input pipe and donought, the mixing cylinder Bosom be provided with ring pipe, the inside and outside of ring pipe set the on-tube for being provided with and radially distributing respectively, On-tube and ring pipe mutually fixed connection, the upper surface of the ring pipe and on-tube offers the first venthole respectively, described By projecting tube, mutually fixed connection, the upper inside of the mixing cylinder are fixedly connected with disperser to ring pipe with donought.

As further program of the utility model：Condenser is installed in the heater box, steaming is installed in cooler bin Send out device, the condenser mutually connected with evaporator by two connecting tubes, be separately installed with two connecting tubes compression pump and Expansion valve.

As the utility model further scheme：The disperser is made up of the iron plate of some bendings.

As the utility model further scheme：The inwall of the mixing cylinder is along the circumferential direction fixedly connected with some C-type pipe, both ends and the donought mutually fixed connection of the c-type pipe, the surface of the c-type pipe offers the second venthole.

As the utility model further scheme：The drive device includes the protection being fixedly connected on mixing cylinder Case, respectively fixedly sleeved driven pulley on the first hollow rotating shaft and the second hollow rotating shaft, respectively with two driven gear phases The driving gear and the motor in protective housing, the driving gear and driven gear for engaging connection are respectively positioned on protective housing, The output end of motor is mutually fixedly connected with one of driving gear, and two driving gears are meshed connection.

As the utility model further scheme：The upside wall body of the mixing cylinder, which fixes connection, loading hopper.

As the utility model further scheme：Fixed connection has discharge nozzle on the downside of the described and side wall of cylinder.

As the utility model further scheme：First hollow rotating shaft and the second hollow rotating shaft are respectively with mixing and stirring The side wall of cylinder is rotated connection by sealed bearings.

As the utility model further scheme：First hollow rotating shaft and the second hollow rotating shaft are respectively with first The side wall of transition case and the second transition case is rotated connection by sealed bearings.

As the utility model further scheme：The right-hand member of first hollow rotating shaft and a left side for the second hollow rotating shaft Be respectively fixedly connected with the first reverse acting spiral blade and the second reverse acting spiral blade on the surface at end, the first reverse acting spiral blade and The hand of spiral of second reverse acting spiral blade is opposite.

Compared with prior art, the beneficial effects of the utility model are：The aggregate of whereabouts connects with the hot gas risen Touch, aggregate is absorbed heat, because on-tube radially distributes, therefore the hot gas of spilling is uniformly dispersed, improve The hand of spiral of contact of the aggregate with hot gas, the first pushing spiral blade and the second pushing spiral blade is on the contrary, therefore Aggregate is by the reciprocal agitation in left and right, during agitation, the heat quilt of the first hollow rotating shaft and the second hollow rotating shaft Aggregate absorbs, and further improves to the pre-heat effect of aggregate, it is necessary to when carrying out precooling to aggregate, beats Magnetic valve corresponding to opening can be such that three-way pipe is connected with cooler bin, and the utility model is capable of being carried out to aggregate for selectivity Preheating and precooling, and preheat and precooling efficiency high, saving engineering time.

Brief description of the drawings

Fig. 1 is the structural representation that a kind of aggregate preheats precooling integrated apparatus；

Fig. 2 is that the aggregate described in Fig. 1 preheats in precooling integrated apparatus A to schematic diagram；

Fig. 3 preheats the schematic cross-sectional view of line A-A in precooling integrated apparatus for the aggregate described in Fig. 1.

Embodiment

The technical scheme of this patent is described in more detail with reference to embodiment.

Fig. 1-3 are referred to, a kind of aggregate preheats precooling integrated apparatus, including mixing cylinder 1, the mixing cylinder 1 Inner lower be horizontally arranged with the first hollow rotating shaft 2, the inner lower of mixing cylinder 1 is horizontally arranged with the second hollow rotating shaft 5, institute State and the first pushing spiral blade 3 and second has been respectively fixedly connected with the surface of the first hollow rotating shaft 2 and the second hollow rotating shaft 5 pushes away The hand of spiral of material helical blade 6, the first pushing spiral blade 3 and the second pushing spiral blade 6 is on the contrary, the first hollow rotating shaft 2 Rotate and be connected with the side wall of mixing cylinder 1 respectively with the second hollow rotating shaft 5, the left side of the mixing cylinder 1 is provided with First Transition The left end of case 8, the first hollow rotating shaft 2 and the second hollow rotating shaft 5 and First Transition case 8 rotate connection, the right side of the mixing cylinder 1 Side is provided with the second transition case 9, and the right-hand member of the first hollow rotating shaft 2 and the second hollow rotating shaft 5 rotates with the second transition case 9 to be connect Logical, the downside of the mixing cylinder 1 is provided with the left and right sidewall of heater box 10 and cooler bin 11, the heater box 10 and cooler bin 11 Fixing connection respectively has three-way pipe 16, divides on two branched pipes of the three-way pipe 16 being connected respectively with heater box 10 and cooler bin 11 Magnetic valve 17 is not installed, rear pump 18 is installed at the three-way pipe 16 in left side, the output end of rear pump 18 passes through first Efferent duct 19 is fixed with the phase of First Transition case 8 and connected, and the three-way pipe 16 positioned at right side passes through the first input pipe 20 and the second transition The phase of case 9, which is fixed, to be connected, and the surface of the mixing cylinder 1 is provided with the driving dress of the first hollow rotating shaft 2 of driving and the second hollow rotating shaft 5 Put, be fixedly connected with donought 25 on the upside of the intermediate surface of the mixing cylinder 1, the First Transition case 8 passes through the second efferent duct Fix and connect with the phase of donought 25, the second transition case 9 is fixed with the phase of donought 25 by the second input pipe and connected, described to mix The bosom of cylinder 1 is provided with ring pipe 27, the inside and outside of annular 27 set be provided with what is radially distributed respectively On-tube 28, on-tube 28 are fixed with the phase of ring pipe 27 and connected, and the upper surface of the ring pipe 27 and on-tube 28 opens up respectively There is the first venthole, the ring pipe 27 is fixed with the phase of donought 27 by projecting tube and connected, the upper inside of the mixing cylinder 1 It is fixedly connected with disperser 29；Condenser 12, evaporator 13, expansion valve 14 and compression pump 15 form a heat pump, condenser 12 discharge the heat in heat pump, so that temperature is higher in heater box 10, by the effect of rear pump 18, will heat Hot gas in case 10 is injected into First Transition case 8, another so as to be injected into the first hollow rotating shaft 2 and the second hollow rotating shaft 5 The hot gas in portion is entered in c-type pipe 26, ring pipe 27 and on-tube 28, is overflowed by the first venthole and the second venthole, and Now aggregate is injected into mixing cylinder 1 by loading hopper 30, because the effect of disperser 29 makes concrete fall During keep scattered, the aggregate of whereabouts and the hot air impingement risen, aggregate is absorbed heat, due to connecting Pipe 28 radially distributes, therefore the hot gas of spilling is uniformly dispersed, and improves contact of the aggregate with hot gas, and drops into The aggregate of the bottom of mixing cylinder 1 is stirred by the first pushing spiral blade 3 and the second pushing spiral blade 6, pushes away due to first Expect the hand of spiral of the pushing spiral blade 6 of helical blade 3 and second on the contrary, therefore aggregate by the reciprocal agitation in left and right, During agitation, the heat of the first hollow rotating shaft 2 and the second hollow rotating shaft 5 is absorbed by aggregate, further improves Pre-heat effect to aggregate to aggregate, it is necessary to when carrying out precooling, and magnetic valve 17 can make three corresponding to opening Siphunculus 16 is connected with cooler bin 11, the utility model be capable of selectivity aggregate is preheated and precooling, and in advance Heat and precooling efficiency high, save the engineering time；Condenser 12 is installed in the heater box 10, evaporation is installed in cooler bin 11 Device 13, the condenser 12 and evaporator 13 are mutually connected by two connecting tubes, and compression is separately installed with two connecting tubes Pump 14 and expansion valve 15；The disperser 29 is made up of the iron plate of some bendings；The inwall of the mixing cylinder 1 is along the circumferential direction Some c-type pipes 26 are fixedly connected with, the both ends of the c-type pipe 26 are fixed with the phase of donought 25 to be connected, the surface of the c-type pipe 26 Offer the second venthole；The drive device include being fixedly connected on protective housing 21 on mixing cylinder 1, respectively it is fixedly sleeved First hollow rotating shaft 2 and driven pulley 22 on the second hollow rotating shaft 5, be meshed the master being connected with two driven gears 22 respectively Moving gear 23 and the motor 24 in protective housing 21, the driving gear 23 and driven gear 22 are respectively positioned on protective housing 21, The output end of motor 24 is fixedly connected with one of phase of driving gear 23, and two driving gears 23 are meshed connection；It is described to mix Fixing connection with the upside wall body of cylinder 1 has loading hopper 30；Fixed connection has discharge nozzle 31 on the downside of the described and side wall of cylinder 1；Institute State the first hollow rotating shaft 2 and the second hollow rotating shaft 5 is rotated by sealed bearings with the side wall of mixing cylinder 1 be connected respectively；It is described The side wall of first hollow rotating shaft 2 and the second hollow rotating shaft 5 respectively with the transition case 9 of First Transition case 8 and second passes through sealed bearings Rotate connection；It has been respectively fixedly connected with the surface of the left end of the right-hand member of first hollow rotating shaft 2 and the second hollow rotating shaft 5 The spiral shell of first reverse acting spiral blade 4 and the second reverse acting spiral blade 7, the first reverse acting spiral blade 4 and the second reverse acting spiral blade 7 Rotation is in opposite direction.

Operation principle of the present utility model is：Condenser 12, evaporator 13, expansion valve 14 and compression pump 15 form a heat pump System, condenser 12 discharge the heat in heat pump, so that temperature is higher in heater box 10, pass through rear pump 18 Effect, the hot gas in heater box 10 is injected into First Transition case 8, hollow so as to be injected into the first hollow rotating shaft 2 and second In rotating shaft 5, the hot gas in another portion is entered in c-type pipe 26, ring pipe 27 and on-tube 28, is gone out by the first venthole and second Stomata is overflowed, and now aggregate is injected into mixing cylinder 1 by loading hopper 30, because the effect of disperser 29 makes to mix Solidifying soil keeps scattered in dropping process, the aggregate of whereabouts and the hot air impingement risen, aggregate is absorbed heat Amount, because on-tube 28 radially distributes, therefore makes the hot gas of spilling be uniformly dispersed, and improves connecing for aggregate and hot gas Touch, and the aggregate for dropping into the bottom of mixing cylinder 1 is stirred by the first pushing spiral blade 3 and the second pushing spiral blade 6, Due to the hand of spiral of the first pushing spiral blade 3 and the second pushing spiral blade 6 on the contrary, therefore aggregate is past by left and right Multiple agitation, during agitation, the heat of the first hollow rotating shaft 2 and the second hollow rotating shaft 5 is absorbed by aggregate, enters One step is improved to the pre-heat effect of aggregate, it is necessary to when carrying out precooling to aggregate, magnetic valve 17 corresponding to opening Three-way pipe 16 can be made to be connected with cooler bin 11, what the utility model was capable of selectivity carries out preheating and pre- to aggregate It is cold, and preheat and precooling efficiency high, saving engineering time.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model Put ", " connected " and " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one Ground connects；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.It is right For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (10)

1. a kind of aggregate preheats precooling integrated apparatus, including mixing cylinder, it is characterised in that the inside of the mixing cylinder Downside is horizontally arranged with the first hollow rotating shaft, and the inner lower of mixing cylinder is horizontally arranged with the second hollow rotating shaft, and described first is empty The first pushing spiral blade and the second pushing spiral blade have been respectively fixedly connected with the surface of heart rotating shaft and the second hollow rotating shaft, The hand of spiral of first pushing spiral blade and the second pushing spiral blade is on the contrary, the first hollow rotating shaft and the second hollow rotating shaft point Do not rotate and be connected with the side wall of mixing cylinder, First Transition case, the first hollow rotating shaft and are provided with the left of the mixing cylinder The left ends of two hollow rotating shafts and First Transition case rotate connection, are provided with the second transition case on the right side of the mixing cylinder, and first The right-hand member and the second transition case of hollow rotating shaft and the second hollow rotating shaft are rotated connection, and heating is provided with the downside of the mixing cylinder The left and right sidewall of case and cooler bin, the heater box and cooler bin fixes connection respectively three-way pipe, respectively with heater box and cold Magnetic valve is separately installed with two branched pipes of the three-way pipe that but case is connected, output is installed at the three-way pipe in left side Pump, the output end of rear pump are connected by the way that the first efferent duct and First Transition case are mutually fixed, and the three-way pipe positioned at right side passes through the One input pipe and the mutually fixed connection of the second transition case, the surface of the mixing cylinder are provided with the first hollow rotating shaft of driving and the second sky The drive device of heart rotating shaft, the intermediate surface upside of the mixing cylinder are fixedly connected with donought, and the First Transition case passes through Second efferent duct and donought mutually fixed connection, the second transition case are connected by the way that the second input pipe and donought are mutually fixed, The bosom of the mixing cylinder is provided with ring pipe, and the inside and outside of ring pipe, which set to be provided with respectively, to radially distribute On-tube, on-tube and ring pipe are mutually fixed to be connected, and the upper surface of the ring pipe and on-tube offers first and gone out respectively Stomata, the ring pipe are connected by the way that projecting tube and donought are mutually fixed, and the upper inside of the mixing cylinder is fixedly connected with point Dissipate device.

2. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that in the heater box Condenser is installed, evaporator, the condenser and evaporator are installed in cooler bin and mutually connected by two connecting tubes, two Compression pump and expansion valve are separately installed with individual connecting tube.

3. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that the disperser by The iron plate composition of some bendings.

4. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that the mixing cylinder Inwall is along the circumferential direction fixedly connected with some c-type pipes, both ends and donought mutually fixed connection, the c-type pipe of the c-type pipe Surface offer the second venthole.

5. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that the drive device Including be fixedly connected on mixing cylinder protective housing, respectively it is fixedly sleeved on the first hollow rotating shaft and the second hollow rotating shaft from Movable belt pulley, be meshed the driving gear being connected and the motor in protective housing with two driven gears respectively, the active Gear and driven gear are respectively positioned on protective housing, and the output end of motor is mutually fixedly connected with one of driving gear, two actives Gear is meshed connection.

6. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that the mixing cylinder Upside wall body, which fixes connection, loading hopper.

7. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that the described and side of cylinder Fixed connection has discharge nozzle on the downside of wall.

8. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that described first is hollow Rotating shaft and the second hollow rotating shaft are rotated with the side wall of mixing cylinder by sealed bearings respectively to be connected.

9. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that described first is hollow Rotating shaft and the second hollow rotating shaft are rotated with the side wall of First Transition case and the second transition case by sealed bearings respectively to be connected.

10. aggregate according to claim 1 preheats precooling integrated apparatus, it is characterised in that described first is empty The first reverse acting spiral blade and second have been respectively fixedly connected with the surface of the left end of the right-hand member of heart rotating shaft and the second hollow rotating shaft The hand of spiral of reverse acting spiral blade, the first reverse acting spiral blade and the second reverse acting spiral blade is opposite.