CN219194892U - Water-coal-slurry grading device - Google Patents
Water-coal-slurry grading device Download PDFInfo
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- CN219194892U CN219194892U CN202320823535.3U CN202320823535U CN219194892U CN 219194892 U CN219194892 U CN 219194892U CN 202320823535 U CN202320823535 U CN 202320823535U CN 219194892 U CN219194892 U CN 219194892U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The application relates to the technical field of coal slurry particle size classification, in particular to a coal water slurry classification device. The utility model provides a coal water slurry classifying device, which comprises: the device comprises a classifying tank, wherein a filtering component for classifying and filtering water-coal-slurry is arranged in the classifying tank, and a discharging component is arranged at the bottom of the classifying tank; the classifying tank comprises a straight cylinder section and a conical cylinder section, the filtering component is arranged at the top of the straight cylinder section, and the discharging component is connected to the bottom of the conical cylinder section. The water-coal-slurry is classified by the classifying tank, so that coal-slurry with different particle sizes can be separated and formed, and the separated slurry can be conveyed to different process loops in a targeted manner, so that the utilization efficiency of the water-coal-slurry materials is improved.
Description
Technical Field
The application relates to the technical field of coal slurry particle size classification, in particular to a coal water slurry classification device.
Background
The particle sizes of particles in the coal water slurry are uneven, and proper and effective treatment can not be carried out according to the particle sizes in the utilization process of the slurry.
How to classify the particles of the coal water slurry according to the size of the particles to reach the desired particle size distribution, and then to make targeted use is a general and desired direction.
Disclosure of Invention
The utility model aims to provide a coal water slurry grading plant can separate the different material of buggy granularity to get into different technology return circuits, carry out the targeted processing, improve the utilization efficiency of coal water slurry material.
In order to achieve the above object, the present utility model provides a coal water slurry classifying device, comprising: the device comprises a classifying tank, wherein a filtering component for classifying and filtering water-coal-slurry is arranged in the classifying tank, and a discharging component is arranged at the bottom of the classifying tank;
the classifying tank comprises a straight cylinder section and a conical cylinder section, the filtering component is arranged at the top of the straight cylinder section, and the discharging component is connected to the bottom of the conical cylinder section.
In an alternative embodiment, a discharge port is arranged on the side wall of the straight cylinder section, and the discharge port is used for discharging the filtered fine particle coal slurry.
In an alternative embodiment, the filter assembly comprises a gland flange at the top, the classification tank comprises a tank top flange, and the filter assembly is detachably inserted in the classification tank through the cooperation of the gland flange and the tank top flange.
In an alternative embodiment, a filter screen barrel is connected to the gland flange, and the diameter of the filter screen barrel is smaller than the inner diameter of the classifying tank.
In an alternative embodiment, a filter screen plate is connected to the bottom of the filter screen barrel, and the filter screen plate is obliquely installed in the classifying tank.
In an alternative embodiment, a mixer is installed inside the straight barrel section, and the mixer is connected with a feed pipeline and a water inlet pipeline which extend into the classifying tank.
In an alternative embodiment, the system further comprises a control system, a pressure sensor for monitoring the pressure in the tank is arranged on the classifying tank, and the pressure sensor is electrically connected with the control system.
In an alternative embodiment, a discharge opening is formed in the bottom of the cone section and is used for discharging coarse particle coal slurry which is filtered and is settled in the cone section, and the discharge assembly is connected with the discharge opening.
In an alternative embodiment, the unloading assembly comprises a large particle storage tank which is vertically arranged, wherein a feeding valve and a discharging valve are respectively arranged on the top side and the bottom side of the large particle storage tank, the feeding valve and the discharging valve are electromagnetic valves, and the electromagnetic valves are electrically connected with the control system.
In an alternative embodiment, the unloading assembly comprises a horizontally arranged unloading machine, the unloading machine comprises a motor and an unloading screw, the motor is connected with a frequency converter, and the frequency converter is electrically connected with the control system.
The water-coal-slurry is classified by the classifying tank, so that coal-slurry with different particle sizes can be separated and formed, and the separated slurry can be conveyed to different process loops in a targeted manner, so that the utilization efficiency of the water-coal-slurry materials is improved.
Additional features and advantages of the present application will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a classifying device for coal water slurry according to embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a classifying device for coal water slurry in embodiment 2 of the present application.
Icon:
1-a classification tank; 11-a straight barrel section; 12-cone section; 13, a discharge hole; 14-a tank top flange; 15-a discharge port;
2-a filter assembly; 21-a gland flange; 22-a filter screen barrel; 23-a filter screen plate;
3-a discharge assembly; 31-large particle storage tank; 32-a feed valve; 33-a discharge valve; 34-unloader; 35-an electric motor; 36-unloading screw; 37-flushing water line; 38-discharging pup joint;
4-a mixer; 41-a feed line; 42-a water inlet pipeline;
5-pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1-2, the coal water slurry classifying device is mainly used for classifying coal water slurry, classifying coal slurry with different particle sizes in a gravity sedimentation mode, conveying the separated coal water slurry to different process loops through different discharge channels, performing targeted treatment, and improving the utilization efficiency of coal water slurry materials.
The main structure of the classifying device for the coal water slurry comprises a classifying tank 1, wherein the classifying tank 1 is vertically arranged, so that the coal water slurry continuously introduced into the classifying tank 1 can be subjected to gravity sedimentation, in the classifying process, large-particle materials with larger particle sizes are sunk into the bottom of the classifying tank 1, and small-particle materials with smaller particle sizes are gathered at the upper half part of the classifying tank 1.
A filter assembly 2 for classifying and filtering the water-coal-slurry is arranged in the classifying tank 1, specifically, small particle materials gathered in the upper half part of the classifying tank 1 can be further filtered and classified by the filter assembly 2 and discharged from the upper part of the classifying tank 1; the bottom of the classifying tank 1 is provided with a discharging component 3, large-particle materials naturally settle under the action of gravity, and the large-particle materials formed after the gravity settling are discharged from the bottom of the classifying tank 1 through the discharging component 3.
The classifying tank 1 specifically comprises a straight cylinder section 11 and a conical cylinder section 12, the filtering component 2 is arranged at the top of the straight cylinder section 11, small particle materials conveniently pass through the top of the classifying tank 1 in a filtering mode, and the discharging component 3 is connected to the bottom of the conical cylinder section 12, so that the large particle materials after sedimentation are discharged.
The included angle of the cone section 12 can be adjusted according to the stacking characteristics of the materials so as to ensure that large-particle materials after gravity sedimentation do not generate stacking blockage.
According to the utility model, the classifying tank 1 is continuously fed, and is specifically connected with a feed pipeline 41 and a water inlet pipeline 42, and the expected concentration of the whole coal water slurry is obtained by mixing the input materials and water, and further, the materials in the classifying tank 1 can be classified by fully utilizing the double-layer effect of gravity and buoyancy under the condition of continuous feeding, so that the small-particle materials and the large-particle materials are respectively collected on the top of the straight cylinder section 11 and the bottom of the cone section 12, and the integral classifying effect of the coal water slurry is ensured.
The large-particle materials escaping to the top of the straight barrel section 11 are intercepted by the filter assembly 2 through pressure difference, and are further gathered to the bottom of the cone barrel section 12 in a gravity sedimentation mode, so that the graded coal water slurry is ensured to be maintained in a relatively stable particle size range.
A discharge hole 13 is arranged on the side wall of the straight barrel section 11 and is mainly used for discharging the filtered fine particle coal slurry. The fine particle coal slurry of the small particle materials is discharged from the classifying tank 1, so that the fine particle coal slurry is conveyed to downstream targeted application.
The filter assembly 2 comprises in particular a top gland flange 21, the classifying tank 1 comprises a tank top flange 14, and the filter assembly 2 is detachably inserted into the classifying tank 1 through the cooperation of the gland flange 21 and the tank top flange 14. The detachable plug-in connection mode is beneficial to maintaining the filter assembly 2 so as to facilitate cleaning treatment of the filter assembly 2 after clogging.
Further, a filter screen barrel 22 is connected to the gland flange 21, and in order to enable the filter screen barrel 22 to be inserted and contained in the classifying tank 1, the diameter of the filter screen barrel 22 is smaller than the inner diameter of the classifying tank 1. While the filter screen barrel 22 can be spliced, an annular buffer space is formed between the classifying tank 1 and the filter screen barrel 22, so that fine particle coal slurry can be discharged from the classifying tank 1 after being effectively buffered, and the discharge continuity is effectively ensured.
Preferably, the bottom of the filter screen barrel 22 is connected with a filter screen plate 23, and the filter screen plate 23 is obliquely arranged in the classifying tank 1, so that the filter area of the filter screen plate 23 can be increased, and the interception effect of large-particle materials is ensured.
Based on the mixing of the input material and the inlet water, the mixer 4 is horizontally installed in the straight barrel section 11, specifically, the mixer 4 is connected with the feeding pipeline 41 and the inlet water pipeline 42 extending into the classifying tank 1, so that the material input into the classifying tank 1 and the inlet water are fully mixed in the mixer 4, and the mixing effect of the material is improved on the premise of forming ideal concentration slurry.
The pressure sensor 5 for monitoring the pressure in the tank in real time is arranged on the classifying tank 1, the pressure sensor 5 is specifically arranged at the bottom of the cone section 12 and is electrically connected with a control system (not shown in the figure) which is further included in the classifying device, in normal operation, the classifying tank 1 operates under pressure, the pressure sensor 5 transmits the pressure in the tank, particularly the pressure of the discharging part of the cone section 12, to the control system in real time, the control system controls the discharging assembly 3 at the bottom of the classifying tank 1 according to a pressure signal, and therefore the material in the classifying tank 1 can be effectively prevented from being blocked, and the pressure in the classifying tank 1 can be dynamically adjusted in a timely discharging mode.
A discharge opening 15 is arranged at the bottom of the cone section 12 and is used for discharging coarse particle coal slurry which is filtered and settled in the cone section 12, and the discharge assembly 3 is connected with the discharge opening 15. Coarse particle coal slurry of large particle materials can be discharged from the classifying tank 1 through the discharge opening 15, so that the coarse particle coal slurry is conveyed to downstream targeted application.
The discharge assembly of the present utility model comprises two different forms, which are described in the following in different embodiments.
Example 1
The discharging assembly 3 in this embodiment includes a large granule storage tank 31 arranged vertically, and a feeding valve 32 and a discharging valve 33 are respectively arranged on the top and bottom sides of the large granule storage tank 31, and the feeding valve 32 and the discharging valve 33 are electromagnetic valves, and the electromagnetic valves are electrically connected with a control system. The control system specifically comprises a PLC or a DCS, the control system controls the discharge frequency of the large-particle materials, the smooth discharge is ensured, and the large-particle materials after being filtered are used as products to be sent to the next working procedure.
In this embodiment, the upper and lower sides of the large particle storage tank 31 are respectively connected with a flushing water pipeline 37 for dredging and flushing under abnormal conditions, especially during blocking.
Preferably, the feeder of the large particle storage tank 31 is controlled by a PLC to perform automatic timing operation.
Example 2
The unloading assembly 3 in this embodiment comprises a horizontally arranged unloading machine 34, the unloading machine 34 comprises a motor 35 and an unloading screw 36, the motor 35 is connected with a frequency converter (not shown in the figure), and the frequency converter is electrically connected with a control system.
Specifically, a feed valve 32 is connected to the bottom of the cone section 12, a discharge nipple 38 is connected to the downstream of the feed valve 32, and a flushing water line 37 is connected to the discharge nipple 38 for dredging and flushing in abnormal conditions, particularly in the event of material blockage.
The unloading machine 34 is specifically connected to the bottom of the unloading nipple 38, is horizontally arranged and adopts an upper-inlet-lower-outlet structure, and discharges large-particle materials at the bottom of the cone section 12 through the rotation of the unloading screw 36, so that smooth unloading is ensured, and the filtered large-particle materials are used as products to be sent to the next process.
The discharging screw 36 is specifically driven by a motor 35, the motor 35 is electrically connected with a frequency converter, the frequency converter is electrically connected with a control system, the control system controls the operation of the motor 35 through the frequency converter, and further controls the rotating speed of the discharging screw 36, so that the discharging flow of the discharging machine 34 is controlled.
The accuracy, material and filtering area of the filtering component 2 can be set according to specific practical situations so as to adapt to the requirements of different working conditions and processing capacities.
The discharging component 3 can continuously discharge or intermittently discharge, can be controlled by a control system, and is provided with a sealing gasket or a sealing ring in the connecting process of different components, so that the tightness of the whole structure of the coal water slurry grading device is ensured, and the overflow leakage of the coal slurry is prevented.
The pressure sensor 5 can also be arranged in the form of an in-situ pressure gauge, so that the pressure in the classifying tank 1 can be visually indicated, and an operator can conveniently deal with the pressure in time.
It should be noted that, without conflict, features in the embodiments of the present application may be combined with each other.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a coal water slurry grading plant which characterized in that includes: the device comprises a classifying tank, wherein a filtering component for classifying and filtering water-coal-slurry is arranged in the classifying tank, and a discharging component is arranged at the bottom of the classifying tank;
the classifying tank comprises a straight cylinder section and a conical cylinder section, the filtering component is arranged at the top of the straight cylinder section, and the discharging component is connected to the bottom of the conical cylinder section.
2. The apparatus of claim 1, wherein a discharge port is provided in a sidewall of the straight section for discharging the filtered fine particle coal slurry.
3. The coal water slurry classification apparatus of claim 1, wherein the filter assembly includes a top gland flange, the classification tank includes a tank top flange, and the filter assembly is removably inserted into the classification tank by mating the gland flange with the tank top flange.
4. The coal water slurry classification apparatus according to claim 3, wherein a filter screen barrel is connected to the gland flange, and the diameter of the filter screen barrel is smaller than the inner diameter of the classification tank.
5. The apparatus for classifying water-coal slurry according to claim 4, wherein a filter screen plate is connected to the bottom of the filter screen tank, and the filter screen plate is installed in the classifying tank in an inclined manner.
6. The apparatus according to any one of claims 1 to 5, wherein a mixer is installed in the straight section, and the mixer is connected to a feed pipe and a water feed pipe extending into the classification tank.
7. The slurry classification apparatus according to any one of claims 1 to 5, further comprising a control system, wherein a pressure sensor for monitoring the pressure in the tank is provided on the classification tank, and wherein the pressure sensor is electrically connected to the control system.
8. The apparatus of claim 7, wherein a discharge opening is provided at the bottom of the cone section for discharging the coarse coal slurry filtered and settled in the cone section, and the discharge assembly is connected to the discharge opening.
9. The coal water slurry classification device according to claim 8, wherein the discharging assembly comprises a large particle storage tank which is vertically arranged, a feeding valve and a discharging valve are respectively arranged on the top side and the bottom side of the large particle storage tank, the feeding valve and the discharging valve are electromagnetic valves, and the electromagnetic valves are electrically connected with the control system.
10. The coal water slurry classification apparatus of claim 8, wherein the discharge assembly comprises a horizontally disposed discharge machine comprising a motor and a discharge screw, the motor being connected with a frequency converter, the frequency converter being electrically connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320823535.3U CN219194892U (en) | 2023-04-13 | 2023-04-13 | Water-coal-slurry grading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320823535.3U CN219194892U (en) | 2023-04-13 | 2023-04-13 | Water-coal-slurry grading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219194892U true CN219194892U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320823535.3U Active CN219194892U (en) | 2023-04-13 | 2023-04-13 | Water-coal-slurry grading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219194892U (en) |
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2023
- 2023-04-13 CN CN202320823535.3U patent/CN219194892U/en active Active
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