CN210030472U - Cement preparation system - Google Patents
Cement preparation system Download PDFInfo
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- CN210030472U CN210030472U CN201920862353.0U CN201920862353U CN210030472U CN 210030472 U CN210030472 U CN 210030472U CN 201920862353 U CN201920862353 U CN 201920862353U CN 210030472 U CN210030472 U CN 210030472U
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Abstract
The utility model relates to a building material production technical field, concretely relates to cement preparation system. The cement preparation system is used for preparing low-grade cement and comprises a high-grade cement tank for storing high-grade cement; a cement auxiliary material tank for storing powdery cement auxiliary materials; the mixer is used for uniformly mixing the high-grade cement and the auxiliary cement materials fed into the mixer to form low-grade cement; the raw material conveying device is connected with the high-grade cement tank and the mixer, and the cement auxiliary material tank and the mixer and is used for conveying the high-grade cement and the cement auxiliary material into the mixer; the low-grade cement tank is used for storing low-grade cement and is provided with a discharge hole of the low-grade cement tank; and the finished product conveyor is communicated with the mixer and the low-grade cement tank and is used for conveying the low-grade cement uniformly mixed by the mixer to the low-grade cement tank.
Description
Technical Field
The utility model relates to a building material production technical field, concretely relates to cement preparation system.
Background
The cement with different marks can be applied to different use environments, cement manufacturers can correspondingly produce the cement with different marks, and the cement with different marks is characterized in that the addition amount of auxiliary materials (namely powdery finished product mixed materials such as fly ash and the like) is less in the cement with high mark, and the addition amount of the auxiliary materials is greater in the cement with low mark.
In the prior art, the preparation of cement is mostly shown in a Chinese utility model patent with an authorization publication number of CN203389731U, and the preparation process specifically discloses a cement preparation system, wherein clinker is added with auxiliary materials and enters a mill to grind out a cement finished product. In the prior art, no matter high-grade cement or low-grade cement is prepared by adopting the process, the defect is that for medium and small-sized cement plants, no matter high-grade cement or low-grade cement is produced, the manufacturing cost is high, and the consumed time is long. Therefore, how to reduce the manufacturing cost of cement, especially low-grade cement, becomes a technical problem which needs to be solved urgently by various cement factories.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cement preparation system to solve the higher technical problem of cement preparation cost of low-grade among the prior art.
In order to achieve the above object, the technical solution of the cement preparation system of the present invention is: a cement preparation system for preparing low grade cement, the cement preparation system comprising
The high-grade cement tank is used for storing high-grade cement;
a cement auxiliary material tank for storing powdery cement auxiliary materials;
the mixer is used for uniformly mixing the high-grade cement and the auxiliary cement materials fed into the mixer to form low-grade cement;
the raw material conveying device is connected with the high-grade cement tank and the mixer, and the cement auxiliary material tank and the mixer and is used for conveying the high-grade cement and the cement auxiliary material into the mixer;
the low-grade cement tank is used for storing low-grade cement and is provided with a discharge hole of the low-grade cement tank;
and the finished product conveyor is communicated with the mixer and the low-grade cement tank and is used for conveying the low-grade cement uniformly mixed by the mixer to the low-grade cement tank.
The utility model has the advantages that: the utility model provides a cement preparation system directly uses high-grade cement to add the mode production low-grade cement that cement assisted the material, assists the material to blend through the blendor high-grade cement and stirs the homogenization, can produce low-grade cement. The utility model discloses a cement preparation system rejects the grog mill technology at well small cement factory or flour mill station, directly utilizes existing high-grade cement and likepowder cement to assist the material as the raw materials, carries out the production of low-grade cement, makes the cement production technology simplification of complicacy, forms simple reliable, the stable cement preparation system of operation, has reduced equipment investment and working costs.
Further, the discharge hole of the low-grade cement tank comprises a secondary uniform discharge hole, at least two mixer feed inlets are arranged on the mixer, one mixer feed inlet is connected with the raw material conveying device, the cement preparation system further comprises a secondary uniform conveyor connected with the secondary uniform discharge hole and one mixer feed inlet, the secondary uniform conveyor is used for conveying the low-grade cement in the low-grade cement tank to the mixer again for secondary uniformity, and a valve used for controlling the on-off of the secondary uniform discharge hole is arranged on the secondary uniform discharge hole.
The effect of this scheme lies in, can detect the homogeneity of the low-grade cement in the low-grade cement jar at the cement preparation in-process, if detect unqualified then carry the low-grade cement in the low-grade cement jar to the blendor again through the even conveyer of secondary and carry out the secondary evenly, guarantee by the low-grade cement composition of output use in the low-grade cement jar even, normal during operation then prevents through the valve that low-grade cement in the low-grade cement jar flows.
Further, the secondary uniform conveyor is an air conveying chute.
Furthermore, the upper end of the low-grade cement tank is provided with a low-grade cement tank feeding port, and the finished product conveyor is a lifting machine used for lifting the low-grade cement upwards and conveying the low-grade cement to the low-grade cement tank feeding port.
Furthermore, an exhaust port is arranged at the upper end of the low-grade cement tank, and a dust remover is arranged at the exhaust port. The dust in the gas is removed by the dust remover, so that the dust is prevented from overflowing to pollute the environment.
Further, high-grade cement jar has high-grade cement jar discharge gate, and the material jar is assisted to cement has cement and assists material jar discharge gate, and material conveying equipment is including locating the spiral weigher of high-grade cement jar discharge gate and material jar discharge gate department is assisted to cement, and material conveying equipment still includes the raw materials conveyer, and the export of raw materials conveyer and two spiral weighers all links to each other, and the one end of raw materials conveyer links to each other with the blendor. Through setting up spiral weigher, can have the function of measurement and transport concurrently, be convenient for adjust in real time.
Further, the raw material conveyor is an air conveying chute.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the cement manufacturing system of the present invention;
description of reference numerals: 1-high grade cement tank; 2-a cement auxiliary material tank; 3-cement weighing scale; 4-auxiliary material weighing scale; 5-a raw material conveyor; 6-a mixer; 7-a hoisting machine; 8-low grade cement tank; 9-a dust remover; 10-cement bagging machine; 11-cement bulk machine; 12-secondary uniform discharge pipe; 13-secondary uniform conveyor.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The concrete embodiment of the cement preparation system of the utility model, as shown in fig. 1, the cement preparation system adopts the mode of blending and mixing the high-grade cement and the cement auxiliary material to prepare the low-grade cement.
The cement preparation system comprises a high-grade cement tank 1 and a cement auxiliary material tank 2 which are arranged side by side, wherein the high-grade cement tank 1 is used for storing high-grade cement, and the cement auxiliary material tank 2 is used for storing powdery cement auxiliary materials (such as fly ash and the like). Material jar 2 lower extremes is assisted to high-grade cement jar 1 and cement has the discharge gate, high-grade cement jar discharge gate is connected with cement weigher 3, material jar discharge gate is assisted to cement is connected with assists material weigher 4, in this embodiment, cement weigher 3 and assist material weigher 4 and be double-barrelled double-deck spiral weigher, material jar 1 is assisted to weigher upper end opening and the high-grade cement jar that corresponds or material jar 2 intercommunication is assisted to cement, the top tube of weigher is carried the material steadily to the low tube on, the low tube hangs and arranges, there is weighing sensor on the mounted frame, weigh the material in low tube and the low tube. Generally, the weighing scale can be considered as two spiral conveyors, each spiral conveyor is independently controlled, the controller is connected with the weighing sensor, and when the value detected by the weighing sensor reaches a fixed value, the upper spiral conveyor is controlled to stop and the lower spiral conveyor is controlled to act; when the weighing sensor detects that the material is not stored on the lower spiral conveyor any more, the lower spiral conveyor is controlled to stop and the upper spiral conveyor is controlled to act. The weighing scale in this embodiment may be a reamer weighing scale disclosed in chinese utility model patent No. CN 204831500U. In other embodiments, the spiral weighing scale may be a single-layer single-tube spiral weighing scale.
The cement preparation system further comprises a raw material conveyor 5, the lower end outlets of the cement weigher 3 and the auxiliary material weigher 4 are connected to the raw material conveyor 5, the raw material conveyor 5 in the embodiment is an air conveying chute which is the prior art, and the air conveying chute drives powdery objects to flow by means of air flow. In this embodiment, two openings are formed on the side of the raw material conveyor 5, and the two openings are respectively connected with the cement weigher 3 and the auxiliary material weigher 4. Of course, in other embodiments, the feed conveyor 5 may be a screw conveyor.
The cement preparation system further comprises a mixer 6, wherein the mixer 6 in the embodiment is provided with two mixer feed inlets, one mixer feed inlet is connected with an outlet of the raw material conveyor 5, and specifically, a shell of the raw material conveyor 5 can be directly bolted on the mixer feed inlets.
The mixer 6 in this embodiment mixes the high-grade cement and the cement auxiliary materials placed therein by using a combined action of mechanical stirring and compressed air blowing, and specifically, a powder material mixer with an authorization notice number of CN203790851U may be used. Of course, in other embodiments, the mixer may be a commercially available powder mixer or the like.
The mixer discharge gate has been seted up at the opposite side of mixer 6, is connected with lifting machine 7 on the mixer discharge gate, and lifting machine 7 is prior art's content, specifically can adopt the bucket elevator for cement disclosed in the chinese utility model patent that the bulletin number of entitling is CN 203819982U.
A low-grade cement tank 8 is arranged on one side of the hoisting machine 7, a low-grade cement tank feeding port is formed in the upper end of the low-grade cement tank 8, an outlet of the hoisting machine 7 is connected with the low-grade cement tank feeding port, and the hoisting machine 7 conveys low-grade cement to the low-grade cement tank 8.
In this embodiment, the high-grade cement tank 1, the cement auxiliary material tank 2, and the low-grade cement tank 8 are actually vertical tanks, and the lower ends of the tanks are tapered.
The cement bagging machine 10 and the cement bulk machine 11 are installed at the lower end of the low-grade cement tank 8, the lower end of the low-grade cement tank 8 is provided with a low-grade cement tank discharge hole, a secondary uniform discharge pipe 12 is installed on the low-grade cement tank discharge hole, the secondary uniform discharge pipe 12 extends up and down, a valve is installed on the secondary uniform discharge pipe 12, and the valve can control the opening and closing of the secondary uniform discharge pipe 12.
The cement preparation system further comprises a secondary homogenizing conveyor 13, one end of the secondary homogenizing conveyor 13 is connected with a secondary homogenizing discharge pipe 12, and the other end of the secondary homogenizing conveyor 13 is connected with one of mixer feed inlets (not completely shown in the figure and replaced by an arrow) of the mixer 6. In this embodiment, the secondary homogenizing conveyor 13 is actually an air delivery chute. In other embodiments, the secondary homogenizing conveyor may be a screw conveyor.
An air outlet is further formed in the upper end of the low-grade cement tank 8, a dust remover 9 is mounted on the air outlet, the dust remover 9 in the embodiment is a bag type dust remover, and in other embodiments, the type of the dust remover can be changed, for example, the dust remover can be an electrostatic dust remover.
The utility model discloses a use as follows: storing high-grade cement in a high-grade cement tank 1, storing powdery cement auxiliary materials in a cement auxiliary material tank 2, starting each conveyor and each metering scale, setting a threshold value of a controller matched with the metering scale, and stopping conveying materials into the metering scale when the weighing capacity reaches the threshold value. High-grade cement and cement of rated ratio assist the material and enter into raw materials conveyer 5, and during raw materials conveyer 5 sent the raw materials into blendor 6, blendor 6 carried out the homogeneous mixing to the raw materials, and the low-grade cement after the homogeneous mixing sent to low-grade cement jar 8 through lifting machine 7, and in the transportation, dust remover 9 filtered the dust removal to the combustion gas. Generally, before bagging or loading, a certain amount of low-grade cement is leaked from the cement bagging machine 10 or the cement bulk machine 11, the cement is sent to a laboratory for testing, whether the high-grade cement and auxiliary cement materials are uniformly mixed is checked, if the cement and the auxiliary cement materials are not uniformly mixed, a valve on a secondary uniform discharge pipe 12 is opened, a secondary uniform conveyor 13 is opened, mixing is performed again, and when the cement and the auxiliary cement materials are secondarily mixed, a raw material conveyor 5 is closed.
In this embodiment, cement weigher 3, supplementary material weigher 4 and material conveyor 5 have constituted raw materials conveyor, and in other embodiments, raw materials conveyor can only include material conveyor, and high-grade cement jar 1 and cement are assisted material jar 2 and are directly linked to each other with material conveyor through the conveyer pipe, but this moment, need preset high-grade cement jar 1 and cement and assist material jar 2 lower extreme open-ended aperture, and can not change when using. In this embodiment, a material conveyer is assisted to high grade cement jar 1 and cement and shares by material jar 2, and in other embodiments, both can link to each other with the blendor through the material conveyer that corresponds separately, but need set up the blendor feed inlet again in addition on the blendor this moment.
In this embodiment, the elevator 7 constitutes a finished product conveyor, and in other embodiments, the finished product conveyor may be a screw conveyor or an air conveying chute.
In this embodiment, the even conveyer 13 of secondary is installed on low-grade cement jar 8 through the even discharging pipe 12 of secondary, and in other embodiments, the even conveyer 13 of secondary can lug connection on low-grade cement jar 8, installs the valve on the even discharge gate of secondary.
In this embodiment, the components can be directly connected with each other or connected with each other through a connecting pipe, so as to form a system without dust overflow.
Claims (7)
1. A cement preparation system, characterized by: the cement preparation system is used for preparing low-grade cement and comprises
The high-grade cement tank is used for storing high-grade cement;
a cement auxiliary material tank for storing powdery cement auxiliary materials;
the mixer is used for uniformly mixing the high-grade cement and the auxiliary cement materials fed into the mixer to form low-grade cement;
the raw material conveying device is connected with the high-grade cement tank and the mixer, and the cement auxiliary material tank and the mixer and is used for conveying the high-grade cement and the cement auxiliary material into the mixer;
the low-grade cement tank is used for storing low-grade cement and is provided with a discharge hole of the low-grade cement tank;
and the finished product conveyor is communicated with the mixer and the low-grade cement tank and is used for conveying the low-grade cement uniformly mixed by the mixer to the low-grade cement tank.
2. The cement manufacturing system of claim 1, wherein: the discharge port of the low-grade cement tank comprises a secondary uniform discharge port, at least two feed inlets of the mixer are arranged on the mixer, one feed inlet of the mixer is connected with the raw material conveying device, the cement preparation system further comprises a secondary uniform conveyor for connecting the secondary uniform discharge port with one feed inlet of the mixer, the secondary uniform conveyor is used for conveying the low-grade cement in the low-grade cement tank to the mixer again for secondary uniformity, and a valve for controlling the on-off of the secondary uniform discharge port is arranged on the secondary uniform discharge port.
3. The cement manufacturing system of claim 2, wherein: the secondary uniform conveyor is an air conveying chute.
4. A cement preparation system according to claim 1, 2 or 3, characterized in that: the finished product conveyor is a lifting machine used for lifting the low-grade cement upwards and conveying the low-grade cement to the feed inlet of the low-grade cement tank.
5. The cement manufacturing system of claim 4, wherein: the upper end of the low-grade cement tank is provided with an exhaust port, and a dust remover is arranged at the exhaust port.
6. A cement preparation system according to claim 1, 2 or 3, characterized in that: the high-grade cement tank has a high-grade cement tank discharge port, the cement auxiliary material tank has a cement auxiliary material tank discharge port, the raw material conveying device comprises spiral metering scales arranged at the high-grade cement tank discharge port and the cement auxiliary material tank discharge port, the raw material conveying device further comprises a raw material conveyor, the raw material conveyor is connected with outlets of the two spiral metering scales, and one end of the raw material conveyor is connected with the mixer.
7. The cement manufacturing system of claim 6, wherein: the raw material conveyor is an air conveying chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862353.0U CN210030472U (en) | 2019-06-10 | 2019-06-10 | Cement preparation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920862353.0U CN210030472U (en) | 2019-06-10 | 2019-06-10 | Cement preparation system |
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| CN210030472U true CN210030472U (en) | 2020-02-07 |
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| CN201920862353.0U Active CN210030472U (en) | 2019-06-10 | 2019-06-10 | Cement preparation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841720A (en) * | 2020-08-05 | 2020-10-30 | 兰州弘展信息科技有限公司 | Cement, cement preparation system and cement preparation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841720A (en) * | 2020-08-05 | 2020-10-30 | 兰州弘展信息科技有限公司 | Cement, cement preparation system and cement preparation process |
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