Feeding device of cement vertical mill

By designing a cement vertical grinding feeding device and using the existing storage's material separation system and metering system, efficient material separation and batching of cement raw materials is achieved, and the problems of complex equipment structure and high investment are solved, and the area covers a small area. The effect of low investment cost.

CN222267408UActive Publication Date: 2024-12-31HUAXIN CEMENT CO LTD
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Patent Information

Application Number
CN202420324588.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-21
Publication Date
2024-12-31
Estimated Expiration
2034-02-21

AI Technical Summary

Technical Problem

The existing cement vertical grinding feeding equipment has a complex structure and high cost, and requires separate feeding, which leads to high investment. There are difficulties in how to invest in the existing configuration to feed the vertical grinding.

Method used

Design a cement vertical grinding feeding device, including a warehouse side material separation system, unloading system, metering system and conveying system, and use the original storage of clinker warehouse, mixed material warehouse, gypsum and wet slag to cut through the feeding , rod valve, belt scale and strong magnetic iron deductor realize the material separation and measurement of raw materials, and then summarized and entered into a vertical mill.

Benefits of technology

It realizes efficient material distribution and ingredients for raw materials, with small footprint, low investment cost, and no new storage needs, and high returns.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a feeding device of a cement vertical mill. The feeding device comprises a warehouse-side distributing system, an unloading system, a metering system and a conveying system, the clinker warehouse and the mixed material warehouse are provided with warehouse side material distribution systems, gypsum and wet slag are provided with unloading pits, each raw material is provided with a belt scale as a metering system, the conveying system comprises a short gathering belt, a long gathering belt and a short pouring belt, the gypsum and the slag are connected into the short gathering belt after being metered, and the short pouring belt is connected into the long gathering belt. Clinkers and mixed materials are connected into a long gathering belt after being metered, a short gypsum slag gathering belt is connected into the middle of the long gathering belt, and the head of the long gathering belt is connected with a short inverted belt and then enters a vertical mill. The cement raw material distributing and batching device can fully utilize an existing storage cavern to achieve the cement raw material distributing and batching effect, does not affect an original batching system, does not need to newly build a storage cavern, and has the advantages of being small in occupied area, low in investment cost and high in return rate.
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Description

Technical Field

[0001] The utility model relates to the field of cement feeding, and more specifically to a cement vertical mill feeding device. Background Art

[0002] With the oversupply of cement and the sluggish market, cost reduction and efficiency improvement have become the fundamentals for major cement companies; vertical mills have the advantages of low energy consumption and high output compared to ball mills. In the existing cement vertical mill feeding equipment, materials such as clinker storage, mixed material storage, gypsum and wet slag need to be fed separately. The equipment structure is complex and the cost is high. How to feed the vertical mill with low investment on the existing configuration is imminent. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a cement vertical mill feeding device, which can fully utilize the existing storage to achieve the function of cement raw material distribution and batching, and has a small footprint and low investment cost.

[0004] The technical solution adopted by the utility model to solve the technical problem is: construct a cement vertical mill feeding device, including a storage side material dividing system, a discharge system, a metering system and a conveying system; the clinker storage and the mixed material storage are provided with a storage side material dividing system, the gypsum and wet slag are provided with a discharge pit, each raw material is provided with a belt scale as a metering system, the conveying system includes a summary short belt, a summary long belt and a short inverted belt, after the gypsum and slag are measured, they are connected to a summary short belt, after the clinker and the mixed material are measured, they are connected to a summary long belt, the middle of the summary long belt is connected to a gypsum slag summary short belt, the head of the summary long belt is connected to the short inverted belt and then enters the vertical mill.

[0005] In the above scheme, the warehouse side material distribution system includes a clinker warehouse wall material distribution system and a mixed material cone wall material distribution system; both the clinker warehouse wall material distribution system and the mixed material cone wall material distribution system are provided with a material discharge chute and a rod valve, and the material distribution is achieved by controlling the rod valve.

[0006] In the above scheme, a strong magnetic iron remover is provided at the front end of the short inverted belt.

[0007] In the above scheme, a dust collector is provided at the unloading point of the clinker storage.

[0008] The implementation of the cement vertical mill feeding device of the utility model has the following beneficial effects:

[0009] In the utility model, a hole is opened on the side wall below the clinker storage, and a new material chute is added. The clinker is divided by a bar valve, and then the belt scale is weighed and fed into the long belt; a hole is opened on the bottom cone of the mixed material storage, and a new material chute is added. The mixed material is divided by a bar valve, and then the belt scale is weighed and fed into the summing belt; gypsum and wet slag are pushed into the unloading pit by a forklift, and then fed into the belt scale for measurement by a bar valve, and then fed into the short belt and then fed into the long belt; all raw materials are fed into the short reverse belt after being fed into the long belt, and finally enter the vertical mill for grinding by forcibly removing iron tools to remove iron. The utility model can make full use of the existing storage to achieve the function of dividing and batching cement raw materials, does not affect the original batching system, does not need to build a new storage, and has the characteristics of small footprint, low investment cost, and high return rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0011] Figure 1 This is a schematic diagram of the overall structure of a cement vertical mill feeding device of the utility model;

[0012] In the figure: 1. Material separation chute; 2. Rod valve; 3. Belt scale; 4. Unloading pit; 5. Short belt; 6. Long belt; 7. Short inverted belt; 8. Dust collector; 9. Iron remover. DETAILED DESCRIPTION

[0013] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0014] like Figure 1 As shown, the utility model cement vertical mill feeding device includes a storage side material distribution system, a discharge system, a metering system, and a conveying system. The storage side material distribution system is set for the original clinker storage and the mixed material storage; a new discharge pit 4 is added for gypsum and wet slag; each raw material is provided with a belt scale 3 as a metering system; after the gypsum and slag are measured, a short collection belt 5 is connected; after the clinker and mixed material are measured, a long collection belt 6 is connected, and the middle of the long belt 6 is connected to the gypsum slag collection short belt 5; the head of the long belt 6 is connected to the short reverse belt 7 before entering the vertical mill.

[0015] Further optimized, in this embodiment, the warehouse side material distribution system includes a clinker warehouse wall material distribution system and a mixed material cone wall material distribution system; the material distribution system is provided with a material discharge chute 1 and a rod valve 2, and the material distribution function is achieved by controlling the rod valve 2.

[0016] For further optimization, in this embodiment, a dust collector 8 is provided at the clinker discharge point to achieve unorganized emission.

[0017] Further optimization, in this embodiment, the bandwidth of the short inverted belt 7 is two models wider than the bandwidth of the long belt 6, namely 1400mm, and the belt speed is 1m / s.

[0018] Further optimization, in this embodiment, a strong magnetic iron remover 9 is provided at the front end of the short inverted belt 7.

[0019] The working principle of the utility model is as follows:

[0020] A hole is opened in the side wall below the clinker silo, and a new unloading chute 1 is added. The clinker is divided by the rod valve 2, and then the belt scale 3 measures and collects it into the long belt 6; a hole is opened in the cone part of the bottom of the mixed material silo 1 and 2#, and a new unloading chute 1 is added. The mixed material is divided by the rod valve 2, and then the belt scale 3 measures and collects it into the long belt 6; gypsum and wet slag are pushed into the unloading pit 4 by a forklift, and the rod valve 2 is entered into the belt scale 3 for measurement, and then collected on the short belt 5 and then on the long belt 6; all raw materials are collected on the long belt 6 and then enter the short inverted belt 7, and finally enter the vertical mill for grinding after the iron is removed by forced removal of the ironware 9.

[0021] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all fall within the protection of the utility model.

Claims

1. A cement vertical mill feeding device, characterized in that: It includes a storage side material dividing system, a discharge system, a metering system and a conveying system; the clinker storage and the mixed material storage are provided with a storage side material dividing system, the gypsum and wet slag are provided with a discharge pit, each raw material is provided with a belt scale as a metering system, the conveying system includes a short summarizing belt, a long summarizing belt and a short inverted belt, after the gypsum and slag are metered, they are connected to a short summarizing belt, after the clinker and the mixed material are metered, they are connected to a long summarizing belt, the middle of the long summarizing belt is connected to a gypsum-slag summarizing short belt, the head of the long summarizing belt is connected to the short inverted belt and then enters the vertical mill.

2. The cement vertical mill feeding device according to claim 1, characterized in that: The storage side material distribution system includes a clinker storage wall material distribution system and a mixed material cone wall material distribution system; both the clinker storage wall material distribution system and the mixed material cone wall material distribution system are provided with a material discharge chute and a rod valve, and the material distribution is achieved by controlling the rod valve.

3. The cement vertical mill feeding device according to claim 1, characterized in that: A strong magnetic iron remover is arranged at the front end of the short inverted belt.

4. The cement vertical mill feeding device according to claim 1, characterized in that: A dust collector is installed at the unloading point of the clinker storage.