CN219051176U - Automatic accurate coal water adding system - Google Patents
Automatic accurate coal water adding system Download PDFInfo
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- CN219051176U CN219051176U CN202222850154.2U CN202222850154U CN219051176U CN 219051176 U CN219051176 U CN 219051176U CN 202222850154 U CN202222850154 U CN 202222850154U CN 219051176 U CN219051176 U CN 219051176U
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Abstract
The utility model provides an automatic and accurate coal water adding system, which comprises a belt conveyor, a plurality of water adding mechanisms, a plurality of flow meters and a control device, wherein the belt conveyor is used for conveying raw coal; the water adding mechanisms are sequentially arranged above the belt conveyor along the conveying path of the belt conveyor, and each water adding mechanism is provided with a regulating valve; the flow meters are arranged in one-to-one correspondence with the regulating valves; the control device is respectively in communication connection with the belt conveyor, the regulating valve and the flowmeter. The automatic accurate-matching coal water adding system provided by the utility model controls the opening of the regulating valve and the start and stop of the belt conveyor through the control device, so that the opening sequence of the regulating valve during multi-channel water adding is set, and the regulating valve is automatically closed during coal stopping, so that different production requirements are met.
Description
Technical Field
The utility model belongs to the technical field of coal blending, and particularly relates to an automatic and accurate coal blending water adding system.
Background
The tamping coke has high requirement on the accuracy of raw coal moisture, particularly the tamping coke above a 6.7-meter coke oven needs to accurately control coal, the phenomenon of frequent slumping of the tamping coal cake can be caused when the moisture of the tamping coke cannot be effectively controlled, normal production is seriously influenced, a water adding valve is usually manually opened on a coal blending belt in the process of adding water to the coal blending belt, the water adding mode is rough, the water adding quantity cannot be known, and the water adding quantity cannot be accurately controlled according to actual conditions under the condition that more than three water adding channels are needed.
Disclosure of Invention
The embodiment of the utility model provides an automatic and accurate coal water adding system, which aims to solve the problem that the water adding amount cannot be automatically and accurately controlled in the water adding process of coal in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic precision-fit coal water addition system comprising:
the belt conveyor is used for conveying raw coal;
the water adding mechanisms are sequentially arranged above the belt conveyor along the conveying path of the belt conveyor, and each water adding mechanism is provided with a regulating valve;
the flow meters are arranged in one-to-one correspondence with the regulating valves; and
and the control device is respectively in communication connection with the belt conveyor, the regulating valve and the flowmeter.
In some embodiments, the water adding mechanism comprises:
the regulating valve and the flowmeter are arranged on the main branch pipe; and
the branch pipe is arranged at the end part of the main branch pipe, is horizontally arranged and positioned above the belt conveyor, and is provided with a plurality of water outlets along the axial direction.
In some embodiments, the axial directions of the plurality of water outlets are parallel to each other.
In some embodiments, the axial directions of the water outlets are arranged at an included angle.
In some embodiments, the branch pipes of two adjacent water adding mechanisms are arranged at an included angle.
In some embodiments, the branch pipe is rotatably connected to the main branch pipe.
In some embodiments, the branch pipe comprises a first pipe section and a second pipe section which are perpendicular to each other, the first pipe section is coaxially abutted with the main branch pipe, a bushing is arranged at the joint of the first pipe section and the main branch pipe, the outer peripheral surfaces of the main branch pipe and the first pipe section are respectively recessed to form a groove, and the inner peripheral surface of the bushing is protruded to form a boss matched with the groove.
In some embodiments, the bushing comprises two mutually butted arc plates, the two arc plates are connected through bolts, and the boss is arranged on the inner periphery of the arc plates
In some embodiments, the branch pipe comprises a first pipe body and a second pipe body, one end of the first pipe body is connected with the first pipe section, the other end of the first pipe body is in sliding fit with the second pipe body, a first through hole is formed in the first pipe body, and a second through hole corresponding to the first through hole is formed in the second pipe body; the first through hole and the second through hole on the overlapped part of the first pipe body and the second pipe body are overlapped.
In some embodiments, the inner peripheral surface of the first pipe body, which is close to the second pipe body end, is provided with two first limiting steps, the two first limiting steps are distributed at intervals along the axial direction of the first pipe body, and the outer peripheral surface of the second pipe body is provided with a second limiting step located between the two first limiting steps.
Compared with the prior art, the water adding device has the advantages that the branch pipes of the two adjacent water adding mechanisms are arranged at an included angle, the main branch pipe is rotationally connected with the branch pipes, the angle of the branch pipes can be rotated according to actual conditions in the water adding process, the branch pipes comprise the first pipe body and the second pipe body, the first pipe body and the second pipe body are in sliding fit, the first pipe body is provided with the first through hole, the second pipe body is provided with the second through hole, and the length of the telescopic branch pipe is changed according to actual conditions of the site so as to change the spraying area of raw coal.
Drawings
FIG. 1 is a schematic diagram of an automatic accurate-fit coal water-adding system according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an automatic precision coal water addition system according to a second embodiment of the present utility model;
fig. 3 is a schematic partial sectional view of an automatic accurate-fit coal water-adding system according to a second embodiment of the present utility model.
Reference numerals illustrate:
1-a belt conveyor;
2-a water adding mechanism; 21-a regulating valve; 22-main branch pipe; 23-branch pipe; 231-a first pipe section; 232-a second pipe section; 2321-a first tube; 2322-a first via; 2323-a second tube; 2324-a second via; 24-water outlet; 25-bushings; 251-arc plate; 252-boss; 253-bolt; 26-groove;
27-a first limiting step; 28-a second limit step;
3-a flow meter;
4-control means.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, an automatic and precise coal water feeding system according to the present utility model will now be described. The automatic accurate-matching coal water adding system comprises a belt conveyor 1, a plurality of water adding mechanisms 2, a plurality of flow meters 3 and a control device 4, wherein the belt conveyor 1 is used for conveying raw coal; the water adding mechanisms 2 are sequentially arranged above the belt conveyor 1 along the conveying path of the belt conveyor 1, and the water adding mechanisms 2 are provided with regulating valves 21; the plurality of flow meters 3 are arranged in one-to-one correspondence with the regulating valves 21; the control device 4 is in communication connection with the belt conveyor 1, the regulating valve 21 and the flowmeter 3 respectively.
The control device 4 is connected to the belt conveyor 1 in a communication manner, and is connected to a driving motor on the belt conveyor 1, so that the control valve 21 is opened when the motor is identified to be started.
It is worth to say that the control device 4 is a DCS production control system, the regulating valve 21, the flowmeter 3 and the belt conveyor 1 are connected with the DCS production control system, the three are connected with the DCS production control system, the required water adding amount is given, the opening and closing degree of the regulating valve 21 is adjusted, and the accurate control of the water adding of the blended coal is further realized through the interlocking of the coal blending belt, so that the water content of the blended coal is accurately ensured to meet the requirement.
Compared with the prior art, the automatic accurate coal-mixing water adding system provided by the utility model has the advantages that when the automatic accurate coal-mixing water adding system is used, the belt conveyor 1 starts to transport raw coal, the control device 4 starts the regulating valve 21 (one or more water adding mechanisms can be started according to the requirement), water is added in the coal transporting process of the belt conveyor 1 by the water adding mechanism 2, the flowmeter 3 calculates the water yield of each water adding mechanism 2 during water adding, and when the calculated water yield reaches the water adding amount set by the control device 4, the control device 4 closes the regulating valve 21 to finish the water adding process; when the belt conveyor 1 is closed, the belt conveyor 1 is closed even if the water adding amount does not reach a preset value. According to the automatic accurate-matching coal water adding system, the opening of the regulating valve 21 and the start and stop of the belt conveyor 1 are controlled through the control device 4, so that the opening sequence of the regulating valve 21 during multi-channel water adding is set, and the automatic closing is realized during coal stopping, so that different production requirements are met.
In some embodiments, referring to fig. 1 to 3, in an improved implementation of the automatic precision-matching coal water adding system, the water adding mechanism 2 includes a main branch pipe 22 and a branch pipe 23, and the adjusting valve 21 and the flowmeter 3 are disposed on the main branch pipe 22; the branch pipe 23 is arranged at the end part of the main branch pipe 22, the branch pipe 23 is horizontally arranged and positioned above the belt conveyor 1, and a plurality of water outlets 24 are formed in the axial direction of the branch pipe 23. The regulating valve 21 and the flowmeter 3 are arranged on the main branch pipe 22 and are in communication connection with the control device 4, the branch pipe 23 is axially provided with a plurality of water outlets 24, the opening of the regulating valve 21 is controlled by the control device 4, the water adding amount is changed, and water is sprayed from the water outlets 24 to spray raw coal.
The regulator valve 21 is an electric regulator valve or an electromagnetic valve.
In some embodiments, referring to fig. 1-3, an improved embodiment of the automatic precision-fit coal water addition system is provided, wherein the plurality of water outlets 24 are axially parallel to one another. The water outlets 24 are axially parallel to each other, and a plurality of water outlets 24 can be arranged to be perpendicular to the belt supporting surface of the belt conveyor 1, so that the impact force of water is larger in the spraying process, and the spraying of the coal blending on the bottom layer is facilitated.
In some embodiments, referring to fig. 1 to 3, the plurality of water outlets 24 are disposed at an angle in the axial direction. The axial direction of the water outlet 24 is arranged at an included angle, a plurality of water outlets 24 can be arranged at different included angles, water is sprayed out from the water outlets 24 at different included angles, the sprayed water coverage area is larger, and the sprayed water of the coal blending is more uniform in the spraying process.
It should be noted that, the axial direction of the plurality of water outlets 24 is arranged at an included angle, in fact, a certain included angle is formed between two adjacent water outlets 24, and the axial included angle of each two adjacent water outlets 24 may be the same or different, for example, four water outlets 24 are provided, the first water outlet 24 faces downward, the second water outlet 24 forms an included angle of 30 ° with the first water outlet 24, the third water outlet 24 faces downward, and the fourth water outlet 24 forms an included angle of 60 ° with the third water outlet.
In some embodiments, referring to fig. 1 to 3, the branched pipes 23 of two adjacent water adding mechanisms 2 are disposed at an included angle. The adjacent branch pipe 23 is the contained angle setting, compares in the branch pipe 23 that perpendicular to belt feeder 1 transfer path set up, and the length that branch pipe 23 in this embodiment can set up is longer, and then can set up more delivery ports 24, and the quantity of delivery ports 24 increases, is favorable to the increase of water yield, improves the accommodation to the required water yield of blending coal.
It should be noted that, the shape of the water outlet 24 may be set according to practical situations, and the shape of the water outlet 24 may be specifically a circular hole shape or an oval shape.
In some embodiments, referring to fig. 1 to 3, a modified embodiment of the automatic precision coal water adding system is shown, and the branch pipe 23 is rotatably connected to the main branch pipe 22. The branch pipe 23 and the main branch pipe 22 are rotationally connected, so that the included angle of the branch pipe 23 in the adjacent water adding mechanism 2 can be conveniently adjusted at any time, the change of the included angle of the branch pipe 23 is further satisfied, the spraying range of the two adjacent water adding mechanisms 2 along the conveying path of the belt conveyor 1 can be changed, and further different spraying demands are satisfied.
Specifically, a driving motor can be further arranged, and the motor drives the branch pipe 23 to continuously swing back and forth in the spraying process, so that the spraying uniformity is more facilitated.
In some embodiments, referring to fig. 1 to 3, the branch pipe 23 includes a first pipe section 231 and a second pipe section 232 perpendicular to each other, the first pipe section 231 is coaxially abutted with the main branch pipe 22, a bushing 25 is disposed at a connection between the first pipe section 231 and the main branch pipe 22, the outer peripheral surfaces of the main branch pipe 22 and the first pipe section 231 are respectively recessed to form a groove 26, and an inner peripheral surface of the bushing 25 is protruded to form a boss 252 matched with the groove 26. The junction of first pipeline section 231 and main branch pipe 22 is equipped with bush 25, be equipped with recess 26 on main branch pipe 22 and the first pipeline section 231 outer peripheral face, bush 25 inner peripheral face is equipped with recess 26 complex boss 252, first pipeline section 231 and main branch pipe 22 are not fixed connection, first pipeline section 231 can rotate in bush 25 easily, the contained angle of convenient branch pipe 23 of changing according to the production demand at any time, boss 252 and recess 26 cooperation, fixed first pipeline section 231 and the hookup location of main branch pipe 22, first pipeline section 231 can not drop because of the influence of gravity.
In some embodiments, referring to fig. 1 to 3, the liner 25 includes two arc plates 251 abutted to each other, the two arc plates 251 are connected by bolts 253, and the boss 252 is disposed on the inner periphery of the arc plate 251. The two arc plates 251 are connected through the bolt 253, when the second pipe section 232 is damaged, the bolt 253 connected between the two arc plates 251 can be detached, so that the second pipe section 232 can be conveniently replaced at any time, and long-time influence on the whole coal blending and water adding process is prevented.
In order to enhance the sealing property, sealing devices such as a gasket or a rubber gasket are provided between the liner 25 and the main branch pipe 22, between the liner 25 and the first pipe segment 231, and at the butt end surfaces of the main branch pipe 22 and the branch pipe 23.
As a variant of the rotational connection of the branch pipe 23 to the main branch pipe 22, the first pipe section 231 and the main branch pipe 22 can also be connected by means of a swivel joint, which belongs to the known apparatus, the working of which is not described in detail, and the construction of which is not shown in the drawing of the description.
In some embodiments, referring to fig. 1 to 3 for an improved implementation of the automatic precise-matching coal water adding system, the branch pipe 23 includes a first pipe body 2321 and a second pipe body 2323, one end of the first pipe body 2321 is connected to the first pipe section 231, the other end is in sliding fit with the second pipe body 2323, the first pipe body 2321 is provided with a first through hole 2322, and the second pipe body 2323 is provided with a second through hole 2324 corresponding to the first through hole 2322; the first through hole 2322 and the second through hole 2324 on the overlapping portion of the first tube 2321 and the second tube 2323 overlap. The second pipe 2323 is in sliding fit with the first pipe 2321, and the spraying range required by different coal blending amounts can be different, and the length of the second pipe 232 and the number of through holes can be changed by stretching the second pipe 2323, so that the spraying range required by different coal blending amounts can be adapted.
In some embodiments, referring to fig. 1 to 3 for an improved implementation of the automatic and precise coal water adding system, two first limiting steps 27 are disposed on an inner peripheral surface of the first pipe 2321 near the end of the second pipe 2322, the two first limiting steps 27 are distributed at intervals along the axial direction of the first pipe 2321, and a second limiting step 28 disposed between the two first limiting steps 27 is disposed on an outer peripheral surface of the second pipe 2322. When water is added, the length of the second pipe section 232 is enhanced by sliding the second pipe body 2323, and when the second pipe body 2323 slides to the limit position, the second limit step 28 contacts with the first limit step 27, the second pipe body 2323 stops sliding, the sliding stroke of the second pipe body 2323 is limited, and the second pipe body 2323 is prevented from sliding beyond the stroke to be separated from the first pipe body 2321.
It should be noted that, the height of the first limiting step 27 far away from the first pipe 2321 is attached to the outer peripheral surface of the second pipe 2323, so as to prevent water from flowing out of the gap between the first pipe 2321 and the second pipe 2323 when the second pipe 2323 slides between the two first limiting steps 27.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An automatic accurate-fit coal water-adding system, comprising:
the belt conveyor is used for conveying raw coal;
the water adding mechanisms are sequentially arranged above the belt conveyor along the conveying path of the belt conveyor, and each water adding mechanism is provided with a regulating valve;
the flow meters are arranged in one-to-one correspondence with the regulating valves; and
and the control device is respectively in communication connection with the belt conveyor, the regulating valve and the flowmeter.
2. The automated precision-fit coal water addition system of claim 1, wherein the water addition mechanism comprises:
the regulating valve and the flowmeter are arranged on the main branch pipe; and
the branch pipe is arranged at the end part of the main branch pipe, is horizontally arranged and positioned above the belt conveyor, and is axially provided with a plurality of water outlets.
3. The automated precision-fit coal water addition system of claim 2, wherein the axial directions of the plurality of water outlets are parallel to one another.
4. The automated precision fitted coal water addition system of claim 2 wherein the axial directions of the plurality of water outlets are disposed at an included angle.
5. The automated precision coal seam system of claim 2, wherein the branch pipes of adjacent two of the seam mechanisms are disposed at an included angle.
6. The automated precision fitted coal water addition system of claim 2 wherein the branch pipe is rotatably connected to the main branch pipe.
7. The automatic precision-fit coal water-adding system according to claim 6, wherein the branch pipe comprises a first pipe section and a second pipe section which are perpendicular to each other, the first pipe section is coaxially butted with the main branch pipe, a bushing is arranged at the joint of the first pipe section and the main branch pipe, the outer peripheral surfaces of the main branch pipe and the first pipe section are respectively sunken to form a groove, and the inner peripheral surface of the bushing is protruded to form a boss matched with the groove.
8. The automated precision fitted coal water feeding system according to claim 7, wherein the bushing comprises two arcuate plates that are in butt joint with each other, the two arcuate plates being connected by a bolt, the boss being provided on an inner periphery of the arcuate plates.
9. The automatic accurate-fit coal water adding system according to claim 7, wherein the branch pipe comprises a first pipe body and a second pipe body, one end of the first pipe body is connected with the first pipe section, the other end of the first pipe body is in sliding fit with the second pipe body, a first through hole is formed in the first pipe body, and a second through hole corresponding to the first through hole is formed in the second pipe body;
the first through hole and the second through hole on the overlapped part of the first pipe body and the second pipe body are overlapped.
10. The automatic and accurate coal water adding system according to claim 9, wherein the inner peripheral surface of the first pipe body, which is close to the second pipe body end, is provided with two first limiting steps, the two first limiting steps are distributed at intervals along the axial direction of the first pipe body, and the outer peripheral surface of the second pipe body is provided with a second limiting step which is positioned between the two first limiting steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850154.2U CN219051176U (en) | 2022-10-27 | 2022-10-27 | Automatic accurate coal water adding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850154.2U CN219051176U (en) | 2022-10-27 | 2022-10-27 | Automatic accurate coal water adding system |
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| Publication Number | Publication Date |
|---|---|
| CN219051176U true CN219051176U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222850154.2U Active CN219051176U (en) | 2022-10-27 | 2022-10-27 | Automatic accurate coal water adding system |
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| CN (1) | CN219051176U (en) |
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2022
- 2022-10-27 CN CN202222850154.2U patent/CN219051176U/en active Active
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