CN218842064U - Water adding system for pulverized coal blending of coking plant - Google Patents
Water adding system for pulverized coal blending of coking plant Download PDFInfo
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- CN218842064U CN218842064U CN202223478805.6U CN202223478805U CN218842064U CN 218842064 U CN218842064 U CN 218842064U CN 202223478805 U CN202223478805 U CN 202223478805U CN 218842064 U CN218842064 U CN 218842064U
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Abstract
The utility model relates to a coke-oven plant's matched coal is divided into groups and is smashed, especially relates to a coke-oven plant's matched coal divides into groups to smash back water feeding system. After being crushed in groups, the mixed coal is conveyed by a first belt conveyor, a second belt conveyor and a third belt conveyor which are connected end to end from top to bottom; a primary mixer is arranged at the head end of a first belt conveyor, an electronic belt scale is arranged at the stable operation section of a second belt conveyor, and a front-end moisture detector and a front-end water adding device are arranged right above the materials of the second belt conveyor; the mixer is arranged above the tail part of the third belt conveyor, and the rear-end moisture detector and the rear-end water adding device are arranged right above the third belt conveyor; the material flow detection device is arranged in front of the water adding device, and the final mixing machine is arranged at the head end of the third belt conveyor. The efficiency and the accuracy of adding water after the coal blending is pulverized in groups are improved.
Description
Technical Field
The utility model relates to a coke-oven plant's matched coal is divided into groups and is smashed, especially relates to a coke-oven plant's matched coal divides into groups to smash back water feeding system.
Background
For the stamp-charging coke oven, the moisture of the blended coal is important for production. In particular, when the divided coal pulverizing is adopted, the mixed coal is pulverized into several groups, and the moisture of each group of coal is different, so that the divided coal is layered on the belt conveyor and has uneven moisture.
The following problems currently exist: 1. the direct measurement cannot truly reflect the accurate moisture of the blended coal; 2. the actual flow of the blended coal is unstable, and the error between the coal flow transmitted from the automatic blending coal and the instantaneous flow is large, so that the calculation of a water adding system cannot be supported; 3. after the water is added for the first time, the blended coal and the water cannot be fully mixed, and the error of the measured value of the water content for the second time is large.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a coke-oven plant's cooperation coal is water system after smashing in groups improves the watered efficiency and the accuracy of cooperation coal after smashing in groups.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water adding system for pulverized coal blended in groups in a coking plant is characterized in that the pulverized coal blended in groups is conveyed by a first belt conveyor, a second belt conveyor and a third belt conveyor which are connected end to end from top to bottom; the head end of a first belt conveyor is provided with a primary mixer, an electronic belt scale is arranged at the stable operation section of a second belt conveyor, and a front-end moisture detector and a front-end water adding device are arranged right above the materials of the second belt conveyor; the mixer is arranged above the tail part of the third belt conveyor, and the rear-end moisture detector and the rear-end water adding device are arranged right above the third belt conveyor; the material flow detection device is arranged in front of the water adding device, and the final mixing machine is arranged at the head end of the third belt conveyor.
Further, the primary mixing machine is a hook tooth type head mixing device and is arranged at a blanking point of the head of the first belt conveyor.
Furthermore, the front end water adding device and the rear end water adding device have the same structure and comprise electromagnetic valves, water supply pipelines and spray heads; the sprayer is divided into a plurality of groups of sprayers, and each group of sprayers is controlled by an electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The front end water adding device of the utility model is arranged right above the material of the second belt conveyor, and the rear end water adding device is arranged right above the material of the third belt conveyor;
the front-end water adding device controls the water content to be close to and slightly lower than the target water content value, and after the coal and the water are fully mixed in the mixer, the rear-end water adding device performs fine water adding to control the water content to be infinitely close to the target water content value; the method for adding water twice is adopted to accurately add water to the blended coal, so that the water adding accuracy is improved.
2) The utility model is provided with a primary mixer at the head end of the first belt conveyor, a mixer is arranged above the tail part of the third belt conveyor, and a final mixer is arranged at the head end of the third belt conveyor;
in order to avoid the moisture detector measuring error because the coal quality is inhomogeneous to lead to, the utility model discloses all set up mixing arrangement before the moisture detector, the process of adding water adopts a lot of mixings, improves the accuracy of moisture measuring apparatu. In order to ensure the uniform moisture of the coking coal, a mixing device is arranged after the two times of water addition, so that the coal entering the coke oven is fully mixed with the water.
3) The electronic belt scale of the utility model is arranged at the stable operation section of the second belt conveyor; adopt electronic belt weigher to weigh before adding water, more effective control adds the water yield.
Drawings
FIG. 1 is a schematic diagram of the structure and a process flow chart of the present invention.
In the figure: 1-primary mixer 2-front end water detector 3-front end water adding device 4-material flow detector 5-control system 6-rear end water detector 7-rear end water adding device 8-electronic belt scale 9-mixer 10-final mixer
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
[ examples ] A method for producing a compound
As shown in fig. 1, a water adding system for pulverized coal mixed in groups in a coking plant comprises a primary mixer 1, a front-end water adding detector 2, a front-end water adding device 3, a material flow detecting device 4, a control system 5, a rear-end water adding detector 6, a rear-end water adding device 7, an electronic belt scale 8, a mixer 9 and a final mixer 10.
The mixed coal is conveyed by a first belt conveyor, a second belt conveyor and a third belt conveyor which are connected end to end from top to bottom after being pulverized in groups, wherein the first belt conveyor is horizontally arranged, is positioned at the top and the left end, and has a right head and a left tail. The second belt conveyor is horizontally arranged, the vertical direction is located in the middle, the horizontal direction is located in the middle, the head is on the right, and the tail is on the left. The third belt conveyor is horizontally arranged, is positioned at the lowest part and the rightmost end, has the head part at the right side and the tail part at the left side.
At first belt conveyor head end setting primary mixing machine 1, primary mixing machine 1 is a hook tooth formula head mixing arrangement, installs at first belt conveyor head blanking point department, carries out preliminary mixing to the kibbling coal of grouping, guarantees moisture detector's measurement accuracy.
The electronic belt scale 8 is arranged at the stable operation section of the second belt conveyor, and the electronic belt scale 8 measures the instantaneous flow of the coal and sends signals to the control system 5 as the basis for calculating the water adding amount.
The front-end moisture detector 2 is arranged right above the material of the second belt conveyor to measure the coal moisture of the coal, the measured data is sent into the control system 5, and the control system 5 compares the measured data with a coal moisture set value and calculates the water adding amount by combining instantaneous flow.
The front end water adding device 3 is composed of an electromagnetic valve, a pipeline and spray heads, is arranged on the right side of the front end moisture detector 2, is divided into a plurality of groups of spray heads, is controlled by the electromagnetic valve in each group of spray heads, and is opened corresponding to the electromagnetic valve according to a water adding signal sent by the control system 5, and the spray heads start to spray water.
The material flow detection device 4 is arranged on the right side of the front end water adding device 3, and when the control system 5 detects the material flow signal, a water spraying signal is sent out.
The control system 5 is electrically connected with the electronic belt scale 8, the front-end moisture detector 2, the rear-end moisture detector 6, the material flow detector 4 and the water adding device electromagnetic valve.
The mixer 9 is arranged above the tail part of the third belt conveyor, and the mixer 9 is adopted to fully mix the coal which is crushed into groups after being added with water, so that the measurement accuracy of the rear-end moisture detector 6 is ensured.
The rear-end moisture detector 6 is arranged on the right side of the mixer 9 and is arranged right above the material of the third belt conveyor to measure the coal moisture of the coal for the second time, the measured data is sent to the control system 5, the control system 5 compares the measured data with the set value of the coal moisture, the instantaneous flow is combined, the water adding amount is calculated, a water adding signal is sent out, the corresponding electromagnetic valve is opened, and the spray head starts to spray water.
The rear end water adding device 7 is composed of an electromagnetic valve, a pipeline and spray heads, is arranged on the right side of the rear end moisture detector 6 and is divided into a plurality of groups of spray heads, each group of spray heads is controlled by the electromagnetic valve, and the corresponding electromagnetic valve is opened according to a water adding signal sent by the control system 5, so that the spray heads start to spray water.
The material flow detection device 4 is arranged on the right side of the rear end water adding device 7, and when the control system 5 detects a material flow signal, a water spraying signal is sent out.
The final mixer 10 is provided at the head of the third belt conveyor, and is used for final mixing of the coal with water added at the rear end.
The front end water adding device 3 of the utility model controls the water content near the target water content value and slightly lower than the target water content value, after the coal and the water are fully mixed in the mixer, the rear end water adding device 7 adds water finely, and controls the water content to be infinitely close to the target water content value; the method for adding water twice is adopted to accurately add water to the blended coal, so that the water adding accuracy is improved.
In order to avoid the moisture detector measuring error because the coal quality is inhomogeneous to result in, the utility model discloses all set up mixing arrangement before the moisture detector, the process of adding water adopts a lot of mixings, improves moisture measuring apparatu's accuracy. In order to ensure uniform moisture of coking coal, a mixing device is arranged after the water is added twice, so that the coal entering the coke oven is fully mixed with the water.
The electronic belt scale 8 of the utility model is arranged at the stable operation section of the second belt conveyor; before water is added, an electronic belt scale is adopted for weighing, and the instantaneous flow is sent to the control system 5, so that the water adding amount is controlled more effectively.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A water adding system for pulverized coal mixed in groups in a coking plant is characterized in that the pulverized coal mixed in groups is conveyed by a first belt conveyor, a second belt conveyor and a third belt conveyor which are connected end to end from top to bottom; the method is characterized in that: a primary mixer is arranged at the head end of a first belt conveyor, an electronic belt scale is arranged at the stable operation section of a second belt conveyor, and a front-end moisture detector and a front-end water adding device are arranged right above the materials of the second belt conveyor; the mixer is arranged above the tail part of the third belt conveyor, and the rear-end moisture detector and the rear-end water adding device are arranged right above the third belt conveyor; the material flow detection device is arranged in front of the water adding device, and the final mixing machine is arranged at the head end of the third belt conveyor.
2. The system of claim 1 for adding water to pulverized coal blended in groups in a coking plant, which is characterized in that: the primary mixing machine is a hook tooth type head mixing device and is arranged at a blanking point of the head of the first belt conveyor.
3. The system of claim 1 for adding water to pulverized coal blended in groups in a coking plant, which is characterized in that: the front end water adding device and the rear end water adding device have the same structure and comprise electromagnetic valves, water supply pipelines and spray heads; the sprayer is divided into a plurality of groups of sprayers, and each group of sprayers is controlled by an electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223478805.6U CN218842064U (en) | 2022-12-26 | 2022-12-26 | Water adding system for pulverized coal blending of coking plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223478805.6U CN218842064U (en) | 2022-12-26 | 2022-12-26 | Water adding system for pulverized coal blending of coking plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218842064U true CN218842064U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223478805.6U Active CN218842064U (en) | 2022-12-26 | 2022-12-26 | Water adding system for pulverized coal blending of coking plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218842064U (en) |
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2022
- 2022-12-26 CN CN202223478805.6U patent/CN218842064U/en active Active
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