阅读说明：本技术 一种掺加造纸厂细灰用于硅酸盐水泥熟料生产的方法 (Method for producing portland cement clinker by adding fine ash of paper mill ) 是由 王新路 杨光伟 张波 王鹏铭 朱振平 于 2020-12-30 设计创作，主要内容包括：本发明涉及硅酸盐水泥熟料生产用料技术领域,具体地说是一种掺加造纸厂细灰用于硅酸盐水泥熟料生产的方法,包括首先粉碎造纸厂垃圾,利用铲车将造纸厂垃圾放入粉碎机内进行初步粉碎；然后将初步粉碎的垃圾进行烘干,将粉碎机粉碎后的垃圾输送到烘干机内进行烘干；再然后将烘干后的物料碾磨,将烘干后的物料输送至碾磨机内碾磨成细灰状；最后将碾磨后的细灰进行称量分装；对粉碎后的细灰进行称量并将同样重量的细灰放置在同一收料箱内。本方法的使用,能对造纸厂垃圾进行干燥粉碎并碾磨成细灰后按质量将其等量分配,从而能保证硅酸盐水泥内含有等量的物质,进而保证生产出统一标准的水泥,满足生产标准。(The invention relates to the technical field of production materials of portland cement clinker, in particular to a method for producing portland cement clinker by adding fine ash of a paper mill, which comprises the steps of firstly crushing garbage of the paper mill, and placing the garbage of the paper mill into a crusher by utilizing a forklift for primary crushing; then drying the primarily crushed garbage, and conveying the garbage crushed by the crusher into a dryer for drying; then, grinding the dried material, and conveying the dried material into a grinding machine to be ground into fine ash; finally weighing and subpackaging the milled fine ash; and weighing the crushed fine ash and placing the same weight of fine ash in the same material receiving box. The method can dry and crush the paper mill garbage, grind the paper mill garbage into fine ash and distribute the fine ash in equal quantity according to the quality, thereby ensuring that the portland cement contains equal quantity of substances, further ensuring that the uniform standard cement is produced and meeting the production standard.)

1. A method for producing portland cement clinker by adding fine ash of a paper mill is characterized by comprising the following steps: (1) crushing the paper mill garbage, and putting the paper mill garbage into a crusher by using a forklift for primary crushing, wherein a forklift bucket is a steel wire mesh bucket;

(2) drying the primarily crushed garbage, and conveying the garbage crushed by the crusher into a building material dryer for drying;

(3) grinding the dried materials, and conveying the dried materials into a grinding machine to be ground into fine ash;

(4) weighing and subpackaging the milled fine ash; conveying the fine ash in the grinding mill to a weighing device through a conveying device for equivalent weighing, controlling the conveying device to stop continuously conveying the material to the weighing device after the weighing device weighs the limited mass, controlling the weighing device to discharge the material to a material receiving box, controlling the conveying device to drive a next material receiving box to move to a material discharging end of the weighing device after discharging is finished, and controlling the conveying device to continuously convey the material to the weighing device and circulate in sequence;

(5) the fine ash, the limestone, the iron ore tailing sand and the boiler bottom slag are mixed according to the following weight percentage: 80 percent of limestone, 1.5 percent of fine ash, 15 percent of iron ore tailing sand and 3.5 percent of boiler bottom slag are processed into cement raw materials.

2. The method of claim 1 for portland cement clinker production with incorporation of fine ash from a paper mill, wherein: and (4) metering the crushed fine ash by using an electronic belt scale.

3. The method of claim 2 wherein the portland cement clinker is produced by blending fine ash from a paper mill, wherein the method comprises: the unloading end of electron belt weigher is provided with the transmission band, has arranged equidistant receipts workbin on the transmission band.

4. The method of claim 3 wherein the portland cement clinker is produced by adding fine ash of a paper mill, wherein the method comprises the steps of: the material is milled and then is conveyed by utilizing the conveying auger, the feeding end of the conveying auger is obliquely and upwards distributed to the discharging end, the discharging end of the conveying auger is communicated with a vertical material guide pipe, the material guide pipe is supported by a support, and the discharging end of the material guide pipe is opposite to the feeding end of the electronic belt scale and is provided with a discharging valve.

5. The method of claim 4 for portland cement clinker production with incorporation of fine ash from paper mill, wherein: the discharge valve, the electronic belt scale and the transmission belt are in signal connection with the controller and are controlled by the controller.

6. The method for producing portland cement clinker by adding fine ash of paper mill according to claim 5,

the method is characterized in that: electronic belt conveyor scale is when the defeated material of material case perception fine ash weight, after reaching predetermined weight, electronic belt conveyor scale gives the controller with signal transmission, controller control bleeder valve is closed, fine ash is piled up in the guide pipe, after electronic belt conveyor scale has carried quantitative fine ash to the material case, electronic belt conveyor scale gives the controller with signal transmission, controller control transmission band removes fixed distance, make new material receiving box be located electronic belt conveyor scale unloading end, then controller control discharge valve opens, fine ash flows out from the guide pipe, and cycle work in proper order.

Technical Field

The invention belongs to the technical field of production materials of portland cement clinker, and particularly relates to a method for producing portland cement clinker by adding fine ash of a paper mill.

Background

A paper mill can produce a lot of garbage in the production process, the garbage comprises waste plastic films, paper mill leftovers, paper mill plait materials, stirring rope materials and other PP/PE waste plastics, the existing garbage treatment mode is usually to burn or bury the garbage, and the mode not only pollutes the environment, but also wastes resources. The method for using the paper mill garbage to manufacture the portland cement is a mode of the existing paper mill garbage disposal, and the mode not only can remove the garbage, but also can bring certain benefits. In the production of cement from paper mill waste, it is known to directly put the waste into a combustion furnace for incineration. In this method, the amount of garbage to be charged cannot be accurately controlled, and therefore, the quality of the produced cement is uneven.

Disclosure of Invention

The invention provides a method for producing portland cement clinker by blending fine ash of a paper mill, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a method for producing portland cement clinker by adding fine ash of a paper mill comprises the following steps:

(1) crushing the paper mill garbage, and putting the paper mill garbage into a crusher by using a forklift for primary crushing, wherein a forklift bucket is a steel wire mesh bucket;

(2) drying the primarily crushed garbage, and conveying the garbage crushed by the crusher into a building material dryer for drying;

(3) grinding the dried materials, and conveying the dried materials into a grinding machine to be ground into fine ash;

(4) weighing and subpackaging the milled fine ash; conveying the fine ash in the grinding mill to a weighing device through a conveying device for equivalent weighing, controlling the conveying device to stop continuously conveying the material to the weighing device after the weighing device weighs the limited mass, controlling the weighing device to discharge the material to a material receiving box, controlling the conveying device to drive a next material receiving box to move to a material discharging end of the weighing device after discharging is finished, and controlling the conveying device to continuously convey the material to the weighing device and circulate in sequence;

(5) the fine ash, the limestone, the iron ore tailing sand and the boiler bottom slag are mixed according to the following weight percentage: 80 percent of limestone, 1.5 percent of fine ash, 15 percent of iron ore tailing sand and 3.5 percent of boiler bottom slag are processed into cement raw materials.

Preferably, the pulverized fine ash is measured by an electronic belt scale. Thereby ensuring the accurate control of the input amount of fine ash.

Preferably, the blanking end of the electronic belt scale is provided with a transmission belt, and the transmission belt is provided with material receiving boxes at equal intervals. The conveying belt can drive the material receiving box to move, so that the new material receiving box can be ensured to be positioned at the discharging end of the conveying belt by moving the conveying belt every time.

Preferably, the materials are milled and then conveyed by the conveying auger, the feeding end of the conveying auger is obliquely and upwards distributed from the feeding end to the discharging end, the discharging end of the conveying auger is communicated with a vertical material guide pipe, the material guide pipe is supported by the support, and the discharging end of the material guide pipe is opposite to the feeding end of the electronic belt scale and is provided with a discharging valve. The material conveying auger can convey materials, and the material guide pipe can guide the materials to the feeding end of the electronic belt scale, and can play a role in storing materials when the discharge valve is closed.

Preferably, the discharge valve, the electronic belt scale and the transmission belt are in signal connection with and controlled by the controller.

Preferably, the discharge valve, the electronic belt scale and the transmission belt are in signal connection with and controlled by the controller. The controller can receive signals of the electronic belt scale and can transmit control signals to the electronic belt scale, the discharge valve and the transmission belt, so that automatic control of equipment can be realized.

Preferably, the electronic belt scale senses the weight of the fine ash while conveying the material to the material receiving box, after the preset weight is reached, the electronic belt scale transmits a signal to the controller, the controller controls the discharge valve to be closed, the fine ash is accumulated in the material guide pipe, after the electronic belt scale conveys the fixed amount of fine ash to the material receiving box, the electronic belt scale transmits the signal to the controller, the controller controls the transmission belt to move for a fixed distance, a new material receiving box is located at the discharging end of the electronic belt scale, then the controller controls the discharge valve to be opened, the fine ash flows out of the material guide pipe, and the fine ash sequentially and circularly works.

The invention has the beneficial effects that: the method can dry and crush the paper mill garbage, grind the paper mill garbage into fine ash and distribute the fine ash in equal quantity according to the quality, thereby ensuring that the portland cement contains equal quantity of substances, further ensuring that the uniform standard cement is produced and meeting the production standard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic diagram of the apparatus of the present invention;

fig. 3 is a control schematic diagram of the controller.

Shown in the figure:

1. the device comprises a grinder, a dryer, a grinder, a conveying auger, a material guide pipe, a conveyor belt scale, a conveyor belt, a material receiving box, a support and an electronic valve, wherein the dryer is arranged on the grinder, the grinder is arranged on the dryer, the conveyor belt is arranged on the material guide pipe, the material guide pipe is arranged on the.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A method for producing portland cement clinker by adding fine ash of paper mill is disclosed in figure 1-2. The method comprises the following steps:

(1) smash paper mill rubbish, utilize the forklift to put paper mill rubbish into rubbing crusher 1 in and carry out preliminary smashing to can guarantee that rubbish all is smashed into the similar shape of size, the convenience is dried rubbish, and wherein the scraper bowl is made for the wire net, can effectual reduction fall into the moisture in the rubbing crusher.

(2) The garbage which is primarily crushed is dried, the garbage crushed by the crusher 1 is conveyed into the building material dryer 2 to be dried, and then the moisture contained in the garbage can be evaporated, so that the foundation is laid for grinding the garbage into fine ash.

(3) The dried materials are milled, the dried materials are conveyed to the milling machine 3 to be milled into fine ash, the garbage is convenient to subpackage with equal mass, and meanwhile, the fine ash is convenient to burn in an incinerator.

(4) Weighing and subpackaging the milled fine ash; when weighing and subpackaging, the material crushed by the grinding machine 3 is conveyed into the material guide pipe 5 supported by the bracket 9 by the material conveying auger 4, wherein the middle part of the material guide pipe 5 is in a cloth bag shape, and the air permeability of the material guide pipe 5 can be ensured. The lower end of the material guide pipe 5 is a metal pipe and is provided with an electronic valve 10, the material guide pipe 5 can convey fine ash to the electronic belt scale 6, the electronic belt scale 6 is in signal connection with the controller, the electronic belt scale 6 can convey the fine ash to the material receiving box 8, and meanwhile the quality of the fine ash can be measured. When the electronic belt scale 6 senses that the quantitative fine ash set by the controller is reached, the electronic belt scale 6 transmits a signal to the controller, the controller controls the electronic valve 10 to be closed, so that the material conveyed by the conveying auger 4 is stored in the material guide pipe 5, the controller simultaneously controls the electronic belt scale 6 to start conveying the material into the material receiving box 8, when the conveying is finished, the electronic belt scale 6 transmits the signal to the controller, and the controller controls the electronic valve 10 to be opened and controls the conveying belt 7 to move for a communicated distance, so that the next material receiving box 8 is just positioned at the discharging end of the electronic belt scale 6;

(5) the fine ash, the limestone, the iron ore tailing sand and the boiler bottom slag are mixed according to the following weight percentage: 80 percent of limestone, 1.5 percent of fine ash, 15 percent of iron ore tailing sand and 3.5 percent of boiler bottom slag are processed into cement raw materials. Wherein the fine ash can be conveniently and fully contacted with limestone, iron ore tailing sand and boiler bottom slag, and high-quality cement is produced.

The use of the method has the following advantages:

(1) can dry crushing and mill into fine ash and then distribute its equivalent according to the quality to paper mill rubbish to contain equivalent material in can guaranteeing the portland cement, and then guarantee to produce the cement of unified standard, satisfy production standard.

(2) Can realize the automatic partial shipment of fine ash, compare in artifical partial shipment, not only speed is faster, improves partial shipment efficiency, can save time and physical power that artifical partial shipment consumed simultaneously.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.