CN211463439U - Powder distributing device for grinding system - Google Patents
Powder distributing device for grinding system Download PDFInfo
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- CN211463439U CN211463439U CN201921353159.6U CN201921353159U CN211463439U CN 211463439 U CN211463439 U CN 211463439U CN 201921353159 U CN201921353159 U CN 201921353159U CN 211463439 U CN211463439 U CN 211463439U
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- trough conveyer
- grinding system
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Abstract
The utility model provides a be applied to cement grinding system technical field's a powder feed divider for grinding system, including overflow scraper-trough conveyer (1), overflow scraper-trough conveyer (1) lower extreme set up overflow scraper-trough conveyer lower extreme port (2), overflow scraper-trough conveyer (1) side sets up branch material scraper-trough conveyer (3), overflow scraper-trough conveyer (1) below sets up metering equipment (4), metering equipment (4) lower extreme sets up metering equipment lower extreme port (5), a powder feed divider for grinding system, simple structure, low in manufacturing cost can effectively realize one set of roller press of two cement mills sharing for two cement mills feed flow is simple, and is reliable and stable, ensures simultaneously to realize two mill even feeds and steady production, has stopped full mill, the stifled mill phenomenon that the branch material inequality arouses.
Description
Technical Field
The utility model belongs to the technical field of cement grinding system, more specifically say, relate to a powder feed divider for grinding system.
Background
The cement mill is provided with a roller press to form a combined grinding system (grinding system), the combined grinding system is mainstream in the energy-saving and emission-reducing design of the current industry, most cement mills adopt a one-to-one scheme that one cement mill is provided with one roller press, but in the design and manufacture process of additionally arranging the roller presses, if the one-to-one scheme is adopted in a part of cement mills with smaller specifications, the problems of more equipment, complex flow and higher investment are caused, and part of old line modification engineering of a factory is limited by fields, and only the two-to-one scheme that two cement mills are provided with one roller press is adopted. In the scheme of 'two-to-one', powder materials after being rolled and winnowed by a roller press must be uniformly distributed to two cement mills, and the design of a distribution system becomes a key link. Some cement factories adopt a material distributing valve to distribute materials, the material distributing uniformity and stability are difficult to ensure, and full grinding and grinding blockage of a grinding machine sometimes occur; some cement factories adopt a scheme that a middle bin is matched with two sets of metering devices, even if the materials fed into a mill are even, the existence of the middle bin can cause the height of a roller press building to be raised, so that the investment is increased, and the requirements can not be fully met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the powder distributing device for the grinding system is simple in structure, can effectively achieve the effect that two cement mills share one set of roller press, enables the feeding flow of the two cement mills to be simple, stable and reliable, simultaneously ensures uniform feeding and stable production of the two mills, and avoids the phenomena of full grinding and grinding blockage caused by uneven distribution of materials.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a powder feed divider for grinding system, including the overflow scraper-trough conveyer, overflow scraper-trough conveyer lower extreme set up overflow scraper-trough conveyer lower extreme port, overflow scraper-trough conveyer side sets up the branch material scraper-trough conveyer, overflow scraper-trough conveyer below sets up metering equipment, the metering equipment lower extreme sets up metering equipment lower extreme port.
And the upper end of the overflow chute is provided with an upper end port of the overflow chute, and the upper end port of the overflow chute is communicated with a powder conveying component of the roller press.
The material distributing slide carriage on the side surface of the overflow slide carriage is of a structure which is obliquely arranged downwards, and the material distributing slide carriage is communicated with the middle of the overflow slide carriage.
The lower end port of the metering device is communicated with the cement mill I, and the distributing scraper-trough conveyer on the side surface of the overflow scraper-trough conveyer is communicated with the cement mill II.
The metering device is a rotor scale or a spiral scale.
The horizontal section of the overflow scraper-trough conveyer is of a square structure, and the overflow scraper-trough conveyer 1 comprises the length a of the horizontal section of the overflow scraper-trough conveyer and the width b of the horizontal section of the overflow scraper-trough conveyer.
The height dimension H of the overflow scraper-trough conveyer is set to be 4-5 times larger than the length dimension a of the horizontal section of the overflow scraper-trough conveyer.
The height L of the center of the interface of the material-separating slide is set to be equal to the structure of 2-3 times of the length a of the horizontal section of the overflow slide.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
a powder feed divider for grinding system, cement raw materials such as grog, gypsum, misce bene after the raw materials measurement batching roll through the roller press and select separately, qualified powder is through the air transport chute feed to overflow formula feed system of roller press powder delivery unit, at first get into the flash chute, the material powder is piled up in the flash chute, the measuring equipment is connected to flash chute below, like this, some powder passes through after the measuring equipment measures, rethread measuring equipment lower extreme port stably gets into cement mill I, surplus powder part overflows through dividing the material chute, get into cement mill II, like this, just realize the reliable feed of two cement mills. Above-mentioned structure, the equipment of the scheme among the effective solution prior art is many, the flow is complicated, the higher problem of investment, equipment layout takes up an area of for a short time, also no longer receives the place restriction, a powder feed divider for grinding system, simple structure, low in manufacturing cost can effectively realize one set of roller press of two cement mills sharing for two cement mills feed flow is simple, reliable and stable, ensures simultaneously that two mills even feed and steady production are realized, has stopped full mill, the stifled mill phenomenon that the branch material inequality arouses.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural diagram of a powder distributing device for a grinding system according to the present invention;
fig. 2 is a schematic cross-sectional view of a surface a-a of the powder distributing device for the pulverizing system shown in fig. 1;
in the drawings, the reference numbers are respectively: 1. overflowing the scraper-trough conveyer; 2. the lower end port of the overflow chute; 3. separating the materials from the scraper-trough conveyer; 4. A metering device; 5. a metering device lower end port; 6. an upper end port of the overflow chute; 7. a powder conveying component of the roller press; 8. a cement mill I; 9. and (5) cement grinding mill II.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in attached figure 1 and attached figure 2, the utility model relates to a powder feed divider for grinding system, including overflow scraper- trough conveyer 1, 1 lower extreme of overflow scraper-trough conveyer set up overflow scraper-trough conveyer lower extreme port 2, 1 side of overflow scraper-trough conveyer sets up branch scraper- trough conveyer 3, 1 below of overflow scraper-trough conveyer sets up metering device 4, 4 lower extremes of metering device set up metering device lower extreme port 5. Above-mentioned structure, the clinker after the raw materials measurement batching, gypsum, cement raw materials such as misce bene are rolled by the roller press and are selected separately, qualified powder passes through the air transport chute feed of roller press powder conveyor 7 to overflow formula and divides the material system, get into the flash chute at first, the material powder is piled up and is connected the metering equipment in the flash chute 1 below, like this, partly powder passes through metering equipment 4 after the measurement, through locking wind device feeding cement mill I, realize the feed, and remaining powder part overflows through dividing the material chute, get into cement mill II 9, realize the feed, like this, just realize the reliable feed of two cement mills. Above-mentioned structure, the equipment of the scheme among the effective solution prior art is many, the flow is complicated, the higher problem of investment, equipment layout takes up an area of for a short time, also no longer receives the place restriction, a powder feed divider for grinding system, simple structure can effectively realize one set of roller press of two cement mills sharing for two cement mills feed flow is simple, reliable and stable, ensures simultaneously to realize two mill even feed and steady production, has stopped full mill, the stifled mill phenomenon that the branch material inequality arouses.
The upper end of the overflow slide carriage 1 is provided with an upper end port 6 of the overflow slide carriage, and the upper end port 6 of the overflow slide carriage is communicated with a powder conveying component 7 of the roller press. With the structure, the port 6 at the upper end of the overflow scraper-trough conveyer is convenient for the material powder conveyed by the powder conveying component 7 of the roller press to smoothly enter the overflow scraper-trough conveyer.
The distributing slide carriage 3 on the side surface of the overflow slide carriage 1 is of a structure which is obliquely arranged downwards, and the distributing slide carriage 3 is communicated with the middle position of the overflow slide carriage 1. The structure, the arrangement of the material separating slide carriage 3, enables the powder piled in the overflow slide carriage 1 to overflow, and then supplies the cement grinding mill II 9.
And the lower end port 5 of the metering device is communicated with a cement mill I8, and the distributing scraper-trough conveyer 3 on the side surface of the overflow scraper-trough conveyer 1 is communicated with a cement mill II 9. Above-mentioned structure divides material scraper-trough conveyer 3 to realize supplying cement mill I8 and cement mill II 9 through the reposition of redundant personnel, satisfies the demand of the scheme of "two to one".
The metering device 4 is a rotor scale or a spiral scale. By adopting the structure, the metering scale accurately reflects the mass flow of the powder, can adjust and control the mass flow, and has compact structure, strong anti-interference capability, stability and reliability, and the metering precision is less than or equal to 0.5 percent. Realize to the reliable feed of cement mill I8.
The horizontal section of the overflow slide carriage 1 is of a square structure, and the overflow slide carriage 1 comprises the length a of the horizontal section of the overflow slide carriage 1 and the width b of the horizontal section of the overflow slide carriage 1. The height dimension H of the overflow slide carriage 1 is set to be 4-5 times larger than the length dimension a of the horizontal section of the overflow slide carriage 1. The height L of the center of the interface of the distributing chute 3 is set to be equal to the structure of 2-3 times of the length a of the horizontal section of the overflow chute 1. According to the structure, powder is stored in the overflow scraper-trough conveyer, the section size of the overflow scraper-trough conveyer is a multiplied by b (length multiplied by width), the corresponding relation is established between the height H of the overflow scraper-trough conveyer and the section length size of the overflow scraper-trough conveyer, and the corresponding relation is established between the height H of the interface center of the distributing scraper-trough conveyer and the section length size of the overflow scraper-trough conveyer, so that when the overflow scraper-trough conveyer 1 supplies materials to two cement mills, a certain buffering and stable discharging function can be achieved, and the requirement is met.
A powder feed divider for grinding system, cement raw materials such as grog, gypsum, misce bene after the raw materials measurement batching roll through the roller press and select separately, qualified powder is through the air transport chute feed to overflow formula feed system of roller press powder delivery unit, at first get into the flash chute, the material powder is piled up in the flash chute, the measuring equipment is connected to flash chute below, like this, some powder passes through after the measuring equipment measures, rethread measuring equipment lower extreme port stably gets into cement mill I, surplus powder part overflows through dividing the material chute, get into cement mill II, like this, just realize the reliable feed of two cement mills. Above-mentioned structure effectively solves the problem that the equipment of the scheme among the prior art is many, the flow is complicated, the investment is higher, and equipment layout takes up an area of for a short time, also no longer receives the place restriction. A powder feed divider for grinding system, simple structure, low in manufacturing cost can effectively realize one set of roller press of two cement mills sharing for two cement mills feed flow is simple, and is reliable and stable, ensures simultaneously to realize two mill even feed and steady production, has stopped full mill, the stifled mill phenomenon that the branch material inequality arouses.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (8)
1. The utility model provides a powder feed divider for grinding system which characterized in that: the overflow scraper-trough conveyer comprises an overflow scraper-trough conveyer (1), wherein an overflow scraper-trough conveyer lower end port (2) is arranged at the lower end of the overflow scraper-trough conveyer (1), a material distribution scraper-trough conveyer (3) is arranged on the side surface of the overflow scraper-trough conveyer (1), a metering device (4) is arranged below the overflow scraper-trough conveyer (1), and a metering device lower end port (5) is arranged at the lower end of the metering device (4).
2. The powder distribution device for the grinding system according to claim 1, wherein: the upper end of the overflow chute (1) is provided with an upper end port (6) of the overflow chute, and the upper end port (6) of the overflow chute is communicated with a powder conveying component (7) of the roller press.
3. The powder distribution device for the grinding system according to claim 1 or 2, which is characterized in that: the material distributing chute (3) on the side surface of the overflow chute (1) is of a structure which is obliquely arranged downwards, and the material distributing chute (3) is communicated with the middle position of the overflow chute (1).
4. The powder distribution device for the grinding system according to claim 1 or 2, which is characterized in that: the lower end port (5) of the metering device is communicated with a cement mill I (8), and the distributing chute (3) on the side surface of the overflow chute (1) is communicated with a cement mill II (9).
5. The powder distribution device for the grinding system according to claim 1 or 2, which is characterized in that: the metering device (4) is a rotor scale or a spiral scale.
6. The powder distribution device for the grinding system according to claim 1 or 2, which is characterized in that: the horizontal section of the overflow scraper-trough conveyer (1) is of a square structure, and the overflow scraper-trough conveyer (1) comprises the horizontal section length a of the overflow scraper-trough conveyer (1) and the horizontal section width b of the overflow scraper-trough conveyer (1).
7. The powder distribution device for the grinding system according to claim 6, wherein: the height dimension H of the overflow slide carriage (1) is set to be 4-5 times larger than the length dimension a of the horizontal section of the overflow slide carriage (1).
8. The powder distribution device for the grinding system according to claim 6, wherein: the height L of the center of the interface of the distributing chute (3) is set to be equal to the structure of 2-3 times of the length a of the horizontal section of the overflow chute (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353159.6U CN211463439U (en) | 2019-08-20 | 2019-08-20 | Powder distributing device for grinding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921353159.6U CN211463439U (en) | 2019-08-20 | 2019-08-20 | Powder distributing device for grinding system |
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| CN211463439U true CN211463439U (en) | 2020-09-11 |
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| CN201921353159.6U Active CN211463439U (en) | 2019-08-20 | 2019-08-20 | Powder distributing device for grinding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456173A (en) * | 2020-12-02 | 2021-03-09 | 中煤科工集团北京华宇工程有限公司 | Continuous type accurate material distribution system |
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- 2019-08-20 CN CN201921353159.6U patent/CN211463439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456173A (en) * | 2020-12-02 | 2021-03-09 | 中煤科工集团北京华宇工程有限公司 | Continuous type accurate material distribution system |
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