Dry cement preheating decomposing and firing deviceTechnical Field
The utility model relates to the technical field of preheating decomposition and firing, in particular to a dry-method cement preheating decomposition and firing device.
Background
The cement produced by dry process production process adopts a novel dry firing technology as a core, a novel raw material and fuel pre-homogenizing technology and an energy-saving grinding technology and equipment.
The prior dry method cement preheating decomposition and firing device is simple, and the device is easy to block and is not completely decomposed and fired in the preheating decomposition and firing process.
In order to solve the problems that the device is easy to block and the decomposition and the sintering are incomplete in the process of preheating decomposition and sintering, the device for preheating decomposition and sintering of the dry-method cement is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dry-method cement preheating decomposition and sintering device which can efficiently decompose and sinter dry-method cement.
The technical scheme of the utility model is as follows: a dry-method cement preheating decomposition and firing device comprises a base, a raw material tank, a hearth, a circulating mechanism, an activation reactor, an electrostatic dust collector and a discharging device, wherein the raw material tank, the hearth, the circulating mechanism, the activation reactor, the electrostatic dust collector and the discharging device are sequentially and fixedly arranged on the base and are sequentially communicated through a pipeline;
a pump is arranged between the raw material tank and the hearth and can pump the raw materials in the raw material tank into the hearth.
Preferably, a U-shaped first circulating pipe is fixedly connected between the upper end of the circulating mechanism and the side wall of the hearth.
Preferably, a second circulating pipe is fixedly connected between the bottom of the activation reactor and the circulating mechanism.
Preferably, the bottom of the electrostatic dust collector is provided with a plurality of material returning chambers, and a third circulating pipe is fixedly connected between the bottom of the material returning chambers and the circulating mechanism.
Preferably, the material returning chambers are provided with 3 material returning chambers in parallel.
Preferably, a semicircular pipeline is arranged between the activation reactor and the electrostatic dust collector, and a plurality of through holes are formed in the inner side of the end of the semicircular pipeline.
Preferably, the raw material tank is fixedly connected with the base through a first support.
Preferably, the discharge device is fixedly connected with the base through a second bracket.
The beneficial technical effects of the utility model are as follows:
1. the cement powder spraying furnace is characterized in that a pump is arranged between the raw material tank and the hearth, the pump is used for pumping raw materials in the raw material tank into the hearth, and the cement powder can be sprayed into the hearth by utilizing pressure generated by pumping so as to be uniformly distributed in the hearth, and the hearth heats the cement powder uniformly distributed in the hearth fully.
2. The device is provided with three circulating pipes, and the dry-process cement is subjected to three-part circulating decomposition in the thermal decomposition process, so that the thermal decomposition is more sufficient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the circulation mechanism of the present invention;
fig. 3 is a schematic view of a semicircular duct of the present invention.
The reference signs are:
100. a base; 200. a raw material tank; 300. a hearth; 400. a circulating mechanism; 500. activating the reactor; 600. an electrostatic precipitator; 700. a discharge device; 201. a first bracket; 301. a pump; 401. a first circulation pipe; 501. a second circulation pipe; 601. a semicircular pipeline; 602. a through hole; 603. a third circulation pipe; 604. a material returning chamber; 701. a second support.
Detailed Description
In order to make the technical means of the present invention clearer and to make the technical means of the present invention capable of being implemented according to the content of the specification, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples, which are provided for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, the present invention specifically relates to a dry method cement preheating decomposition and firing device, which comprises abase 100, araw material tank 200, ahearth 300, acirculation mechanism 400, anactivation reactor 500, anelectrostatic precipitator 600 and adischarge device 700, which are sequentially and fixedly arranged on thebase 100, wherein theraw material tank 200, thehearth 300, thecirculation mechanism 400, theactivation reactor 500, theelectrostatic precipitator 600 and thedischarge device 700 are sequentially connected through a pipeline;
apump 301 is arranged between theraw material tank 200 and thefurnace 300, and thepump 301 can pump the raw material in theraw material tank 200 into thefurnace 300.
It should be noted that apump 301 is arranged between theraw material tank 200 and thehearth 300, thepump 301 is apressure pump 301, the energy of thepump 301 continuously pumps the raw material in theraw material tank 200 into thehearth 300, and the cement powder can be sprayed into thehearth 300 by using the pressure generated by pumping of thepump 301, so that the cement powder is uniformly distributed in thehearth 300, and thehearth 300 heats the cement powder uniformly distributed in thehearth 300 sufficiently.
Fixedly connected with heater infurnace 300, the inner wall fixedly connected with temperature-sensing ware offurnace 300, the outer wall fixedly connected with temperature monitor offurnace 300, through adjusting the heater can control the temperature in thefurnace 300.
Further, as shown in fig. 2, a U-shapedfirst circulation pipe 401 is fixedly connected between the upper end of thecirculation mechanism 400 and the sidewall of thefurnace 300, and thefirst circulation pipe 401 can circulate the cement powder in thecirculation mechanism 400 into thefurnace 300 for further thermal decomposition.
Further, referring to fig. 1, asecond circulation pipe 501 is fixedly connected between the bottom of theactivation reactor 500 and thecirculation mechanism 400, and thesecond circulation pipe 501 is capable of circulating the cement powder in theactivation reactor 500 into thecirculation mechanism 400 to be decomposed again.
The bottom of theelectrostatic dust collector 600 is provided with a plurality ofmaterial returning chambers 604, a third circulatingpipe 603 is fixedly connected between the bottom of thematerial returning chambers 604 and thecirculating mechanism 400, and 3material returning chambers 604 are arranged in parallel.
Further, referring to fig. 3, asemicircular pipe 601 is disposed between theactivation reactor 500 and theelectrostatic precipitator 600, and a plurality of throughholes 602 are disposed inside an end of thesemicircular pipe 601, and the throughholes 602 can prevent the pipe from being clogged.
Further, referring to fig. 1, theraw material tank 200 is fixedly connected to thebase 100 by afirst bracket 201. Thedischarge device 700 is fixedly connected to thebase 100 through asecond bracket 701.
When the utility model is used, after theraw material tank 200 is filled with raw material, theraw material tank 200 is sealed, thepressure pump 301 pumps the raw material in theraw material tank 200 into thehearth 300 through the pipeline, the raw material is heated in thehearth 300 to be decomposed, the decomposed raw material enters the cavity of the circulatingmechanism 400, the raw material which is not completely decomposed in the cavity of the circulatingmechanism 400 is circulated back into thehearth 300 through the first circulatingpipe 401, the rest decomposed raw materials enter theactivation reactor 500 through the pipeline for activation and decomposition, the raw materials which are not completely decomposed in theactivation reactor 500 are circulated back to thecirculation mechanism 400 through thesecond circulation pipe 501, the rest decomposed raw materials enter theelectrostatic precipitator 600 through a pipeline for electrostatic precipitation, the raw materials which are not completely decomposed in theelectrostatic precipitator 600 are circulated back to theactivation reactor 500 through the third circulatingpipe 603, and the raw materials subjected to electrostatic precipitation are discharged out of the device through thedischarging device 700.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.