Efficient dehydration and resource utilization device for coal gasification slag

Abstract

The invention discloses an efficient dehydration and resource utilization device for coal gasification slag. The efficient dehydration and resource utilization device comprises a process gas storage box, a fine slag storage box, a screening box and a collecting assembly. Slag materials are screened through screening holes in a screening plate, fine slag enters a fine slag storage box, coarse slag falls into a coarse slag collection box, the slag materials are distinguished and collected according to different particle sizes, follow-up resource utilization work is facilitated, the fine slag serves as a soil additive to be applied to the agriculture aspect, the coarse slag serves as concrete aggregate to be applied to the building aspect, and the construction efficiency is improved. A bearing plate drives a guide plate to slide on a guide column, the guide plate drives an L-shaped column to move, the L-shaped column drives an induction column to move, and when the induction column makes contact with an induction plate, an alarm reminds a worker to replace a coarse slag collecting box in time, and meanwhile, the L-shaped column drives a lifting column to move; the lifting column drives the anti-blocking plate to move through the connecting piece and the connecting block, the anti-blocking plate drives the cleaning brush to move, and screening holes are prevented from being blocked.

Description

Technical Field

[0001] The invention relates to the technical field of coal gasification slag, and in particular to a device for efficient dehydration and resource utilization of coal gasification slag. Background Art

[0002] Coal gasification slag refers to the solid residue produced after the coal gasification reaction during the coal gasification process. Its full name can be understood as coal slag produced by coal gasification.

[0003] The Chinese invention patent with authorization announcement number CN113604254A discloses a production device and a production method for resource utilization of coal gasification waste residue; it includes an air separation device, a carbon dioxide pipeline network, the air separation device is respectively connected to a nitrogen pipeline network and an oxygen pipeline network, the oxygen pipeline network is respectively connected to the gas phase inlet of the first gasifier and the second gasifier; the solid inlet of the first gasifier is connected to the gasification raw material storage tank, and the solid outlet of the first gasifier is connected to the second gasifier through a waste residue treatment unit; the gas phase outlet of the first gasifier is connected to a process gas treatment unit; the carbon dioxide pipeline network is connected to the gas phase inlet of the second gasifier; the gas phase outlet of the second gasifier is connected to the process gas treatment unit; it has the advantages of simple structure, reasonable design, and uses carbon dioxide as a gasifying agent to achieve complete reaction of residual carbon in the waste residue, which not only effectively recovers the residual carbon in the waste residue and avoids the loss of raw coal, but also increases the CO process gas volume.

[0004] The device in the above patent stores the slag formed after dehydration of coal gasification slag in a storage tank, but when it is utilized as a resource, it needs to be used in different tasks according to the different particle sizes. The device cannot distinguish and collect the waste slag, which is not convenient for subsequent resource utilization. Summary of the invention

[0005] The purpose of the present invention is to provide a device for efficient dehydration and resource utilization of coal gasification slag, which solves the problem that the device stores the slag formed after dehydration of the coal gasification slag through a storage tank, but when utilizing the slag as a resource, it needs to be used in different tasks according to the different particle sizes, and the device cannot distinguish and collect the waste slag, which is inconvenient for subsequent resource utilization.

[0006] The present invention solves the above technical problems through the following technical solutions, which include: A process gas storage box, wherein a base is fixedly mounted on the top of the process gas storage box, a gasification barrel is mounted on the top of the base via a support column, and a heat drying box is mounted on the top of the base; A fine slag storage box, the fine slag storage box is installed on one side of the process gas storage box; A screening box, the screening box is fixedly mounted on the top of the fine slag storage box, the screening box is communicated with the fine slag storage box, and a crushing box is mounted on the top of the screening box; A collecting assembly, the collecting assembly is installed inside the screening box and on one side of the fine slag storage box, and the collecting assembly is used to distinguish and collect the dehydrated waste slags with different particle sizes; The collecting assembly includes a screening plate installed inside the screening box, a coarse slag collecting structure installed on one side of the fine slag storage box, a slag amount reminding structure installed on the top of the screening box and an anti-blocking structure installed inside the screening box.

[0007] Preferably, a bottom plate is fixedly welded on one side of the fine slag storage box, and the coarse slag collection structure includes a guide column fixedly welded on the top of the bottom plate, a guide plate slidably mounted on the guide column, a return spring welded between the guide plate and the bottom plate, a support plate fixedly welded between the two guide plates, and a coarse slag collection box mounted on the top of the support plate, the return spring is mounted on the outside of the guide column, and a limiting plate is fixedly welded on the top of the guide column.

[0008] Preferably, the slag amount reminder structure includes an L-column fixedly welded to the top of the guide plate, an alarm installed on the top of the screening box, an induction column installed at the bottom of the L-column and an induction plate installed on the top of the screening box, and the induction column cooperates with the induction plate.

[0009] Preferably, a screening hole is provided on the top of the screening plate, a first T-shaped slide groove is provided on one side of the screening plate, the anti-blocking structure includes a first T-shaped slider slidably connected to the inside of the first T-shaped slide groove, a connecting block fixedly welded to the top of the first T-shaped slider, an anti-blocking plate fixedly welded to one side of the connecting block and a connecting piece installed on the top of the connecting block, and a cleaning brush is installed at the bottom of the anti-blocking plate, and the cleaning brush cooperates with the screening hole.

[0010] Preferably, a second T-shaped slide groove is provided on the inner wall of the screening box, and the connecting part includes a lifting column fixedly welded to one end of the L-pillar, a second T-shaped slider fixedly welded to one side of the lifting column, a first hinge seat fixedly welded to one side of the lifting column, a second hinge seat fixedly welded to the top of the connecting block, and a hinge plate hinged at the bottom of the first hinge seat and the top of the second hinge seat.

[0011] Preferably, an air inlet pipe is installed on one side of the gasification barrel, and the gasification barrel is connected to the process gas storage box through an air outlet pipe.

[0012] Preferably, the bottom of the gasification barrel is connected to the heat drying box through a discharge pipe, the top of the heat drying box is connected to the air outlet pipe through an auxiliary pipe, and a heat drying and dehydration structure is installed inside the heat drying box.

[0013] Preferably, a pulverizing motor is mounted on one side of the pulverizing box via bolts, and a pulverizing element is mounted on the output shaft of the pulverizing motor.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. The slag enters the hot drying box through the discharge pipe, and the coal gasification slag is efficiently dehydrated through the hot drying and dehydration structure. The slag is screened through the screening holes on the screening plate. The fine slag enters the fine slag storage box, and the coarse slag falls into the coarse slag collection box. The slag is separated and collected according to the different particle sizes to facilitate the subsequent resource utilization. The fine slag is used as a soil additive in agriculture, and the coarse slag is used as a concrete aggregate in construction to avoid mixed collection affecting resource utilization.

[0015] 2. The guide plate is driven to slide on the guide column through the supporting plate, and the guide plate squeezes the reset spring, and the guide plate drives the L column to move downward, and the L column drives the sensing column to move downward. When the sensing column contacts the sensing plate, the alarm sounds and the device stops working, reminding the staff to replace the coarse slag collection box in time to prevent the coarse slag from overflowing the coarse slag collection box. At the same time, the L column drives the lifting column to move, and the lifting column drives the second T-shaped slider to slide in the second T-shaped slot, and the lifting column drives the first articulated seat to move, and the first articulated seat drives the second articulated seat to move through the articulated plate, and the second articulated seat drives the connecting block to move, and the connecting block drives the first T-shaped slider to slide in the first T-shaped slot, and the connecting block drives the anti-blocking plate to move, and the anti-blocking plate drives the cleaning brush to move to prevent the screening holes from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the collecting component in the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the separation of the screening plate and the anti-blocking structure in the present invention; Figure 4 For the present invention Figure 3 A in the figure is an enlarged schematic diagram of the three-dimensional structure.

[0017] The numbers in the figure represent: 1. Process gas storage box; 2. Base; 3. Gasification barrel; 4. Heat drying box; 5. Fine slag storage box; 6. Screening box; 7. Crushing box; 8. Collection assembly; 801. Screening plate; 802. Coarse slag collection structure; 8021. Guide column; 8022. Guide plate; 8023. Return spring; 8024. Support plate; 8025. Coarse slag collection box; 803. Slag amount reminder structure; 8031. L column; 8032. Alarm; 8033. Induction column; 8034. Induction plate; 804. Anti-blocking structure; 8041. First T-shaped slider; 8042. Connecting block; 8043. Anti-blocking plate; 8044. Connecting piece; 9. Bottom plate; 10. Limiting plate; 11. Screening hole; 12. First T-shaped slide groove; 13. Lifting column; 14. Second T-shaped slide block; 15. First hinge seat; 16. Second hinge seat; 17. Hinge plate; 18. Air inlet pipe; 19. Air outlet pipe; 20. Discharge pipe; 21. Auxiliary pipe; 22. Crushing motor. DETAILED DESCRIPTION

[0018] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0019] This embodiment provides a technical solution: a device for efficiently dehydrating and recycling coal gasification slag, such as Figure 1-Figure 4 As shown, it includes a process gas storage box 1, a fine slag storage box 5, a screening box 6 and a collection assembly 8; A base 2 is fixedly mounted on the top of the process gas storage box 1, a gasification barrel 3 is mounted on the top of the base 2 through a support column, and a heat drying box 4 is mounted on the top of the base 2; An air inlet pipe 18 is installed on one side of the gasification barrel 3. The gasification barrel 3 is connected to the process gas storage box 1 through the air outlet pipe 19. The bottom of the gasification barrel 3 is connected to the hot drying box 4 through the discharge pipe 20. The top of the hot drying box 4 is connected to the air outlet pipe 19 through the auxiliary pipe 21. A thermal drying and dehydration structure is installed inside the hot drying box 4. The thermal drying and dehydration structure can be a hot air drying structure, which places the slag in the hot air flow and evaporates the water by heat, which is suitable for large-scale continuous processing. It can also be a steam drying structure, which uses steam to heat the slag to promote water evaporation, which helps to improve the dehydration efficiency. The fine slag storage box 5 is installed on one side of the process gas storage box 1; The screening box 6 is fixedly mounted on the top of the fine slag storage box 5, the screening box 6 is communicated with the fine slag storage box 5, and a crushing box 7 is mounted on the top of the screening box 6; A crushing motor 22 is installed on one side of the crushing box 7 by bolts. A crushing member is installed on the output shaft of the crushing motor 22. The crushing member includes a first crushing column and a second crushing column. The first crushing column and the second crushing column are meshed.

[0020] In the specific implementation, such as Figure 1-Figure 4 As shown, the collecting assembly 8 is installed inside the screening box 6 and on one side of the fine slag storage box 5. The collecting assembly 8 is used to distinguish and collect the waste slags with different particle sizes after dehydration, so as to facilitate the subsequent resource utilization work; The collecting assembly 8 includes a screening plate 801 installed inside the screening box 6, a coarse slag collecting structure 802 installed on one side of the fine slag storage box 5, a slag amount reminder structure 803 installed on the top of the screening box 6 and an anti-blocking structure 804 installed inside the screening box 6. A bottom plate 9 is fixedly welded on one side of the fine slag storage box 5. The coarse slag collecting structure 802 includes a guide column 8021 fixedly welded on the top of the bottom plate 9, a guide plate 8022 slidably mounted on the guide column 8021, a return spring 8023 welded between the guide plate 8022 and the bottom plate 9, a supporting plate 8024 fixedly welded between the two guide plates 8022 and a coarse slag collecting box 8025 installed on the top of the supporting plate 8024. The return spring 8023 is mounted on the outside of the guide column 8021, and a limiting plate 10 is fixedly welded on the top of the guide column 8021.

[0021] Furthermore, the slag amount reminder structure 803 includes an L-column 8031 ​​fixedly welded to the top of the guide plate 8022, an alarm 8032 installed on the top of the screening box 6, an induction column 8033 installed at the bottom of the L-column 8031 ​​and an induction plate 8034 installed on the top of the screening box 6, and the induction column 8033 cooperates with the induction plate 8034.

[0022] Furthermore, a screening hole 11 is opened on the top of the screening plate 801, and a first T-shaped slide groove 12 is opened on one side of the screening plate 801. The anti-blocking structure 804 includes a first T-shaped slider 8041 slidably connected to the inside of the first T-shaped slide groove 12, a connecting block 8042 fixedly welded to the top of the first T-shaped slider 8041, an anti-blocking plate 8043 fixedly welded to one side of the connecting block 8042, and a connecting piece 8044 installed on the top of the connecting block 8042. A cleaning brush is installed at the bottom of the anti-blocking plate 8043, and the cleaning brush cooperates with the screening hole 11.

[0023] Furthermore, a second T-shaped slide groove is opened on the inner wall of the screening box 6, and the connecting member 8044 includes a lifting column 13 fixedly welded at one end of the L-pillar 8031, a second T-shaped slider 14 fixedly welded at one side of the lifting column 13, a first hinged seat 15 fixedly welded at one side of the lifting column 13, a second hinged seat 16 fixedly welded at the top of the connecting block 8042 and a hinged plate 17 hinged at the bottom of the first hinged seat 15 and the top of the second hinged seat 16.

[0024] Working principle: When in use, coal gasification is carried out through the gasification barrel 3, and the reaction gas is introduced through the air inlet pipe 18, so that the coal reacts with oxygen and water vapor at high temperature, and hydrogen, carbon monoxide and other gases that can be used for power generation, chemical synthesis or as fuel are extracted from the coal. The generated process gas enters the process gas storage box 1 through the outlet pipe 19, and the generated slag enters the hot drying box 4 through the discharge pipe 20, and passes through the thermal drying dehydration structure. The thermal drying dehydration structure can be a hot air drying structure, which places the slag in the hot air flow and evaporates the moisture by heat, which is suitable for large-scale continuous processing, or it can be a steam drying structure, which uses steam to heat the slag to promote the evaporation of moisture, which helps to improve the dehydration efficiency and efficiently dehydrate the gasified slag. The generated process gas enters the process gas storage box 1 through the auxiliary pipe 21, and the dehydrated gasified slag enters the crushing box 7. The crushing motor 22 drives the crushing parts, so that the first crushing column and the second crushing column mesh and rotate to crush the gasified slag, and the crushed slag enters the screening box 6; The slag is screened through the screening holes 11 on the screening plate 801, and the fine slag enters the fine slag storage box 5, and the coarse slag falls into the coarse slag collection box 8025. The slag is separated and collected according to the particle size, which is convenient for subsequent resource utilization. The fine slag is used as a soil additive in agriculture, and the coarse slag is used as a concrete aggregate in construction, so as to avoid mixed collection affecting resource utilization; As the amount of coarse slag in the coarse slag collecting box 8025 increases, the weight of the coarse slag collecting box 8025 increases, the supporting plate 8024 drives the guide plate 8022 to slide on the guide column 8021, the guide plate 8022 squeezes the reset spring 8023, the guide plate 8022 drives the L column 8031 ​​to move downward, the L column 8031 ​​drives the sensing column 8033 to move downward, when the sensing column 8033 contacts the sensing plate 8034, the alarm 8032 sounds, the device stops working, and the staff is reminded to replace the coarse slag collecting box 8025 in time to prevent the coarse slag from overflowing the coarse slag collecting box 8025, and at the same time the L column 8031 ​​drives the lifting and lowering The column 13 moves, the lifting column 13 drives the second T-shaped slider 14 to slide in the second T-shaped slot, the lifting column 13 drives the first hinged seat 15 to move, the first hinged seat 15 drives the second hinged seat 16 to move through the hinged plate 17, the second hinged seat 16 drives the connecting block 8042 to move, the connecting block 8042 drives the first T-shaped slider 8041 to slide in the first T-shaped slot 12, the connecting block 8042 drives the anti-blocking plate 8043 to move, the anti-blocking plate 8043 drives the cleaning brush to move to avoid blockage of the screening hole 11, after replacing the coarse slag collection box 8025, under the action of the reset spring 8023, the cleaning brush returns to the initial position.

[0025] The above are only preferred embodiments of the present invention, which are only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A device for efficient dehydration and resource utilization of coal gasification slag, characterized in that: include: A process gas storage box (1), wherein a base (2) is fixedly mounted on the top of the process gas storage box (1), a gasification barrel (3) is mounted on the top of the base (2) via a support column, and a heat drying box (4) is mounted on the top of the base (2); A fine slag storage box (5), the fine slag storage box (5) being installed on one side of the process gas storage box (1); a screening box (6), the screening box (6) being fixedly mounted on the top of the fine slag storage box (5), the screening box (6) being in communication with the fine slag storage box (5), and a crushing box (7) being mounted on the top of the screening box (6); a collecting assembly (8), the collecting assembly (8) being installed inside the screening box (6) and on one side of the fine slag storage box (5), the collecting assembly (8) being used to distinguish and collect waste slags of different particle sizes after dehydration; The collecting assembly (8) comprises a screening plate (801) installed inside the screening box (6), a coarse slag collecting structure (802) installed on one side of the fine slag storage box (5), a slag amount reminder structure (803) installed on the top of the screening box (6), and an anti-blocking structure (804) installed inside the screening box (6).

2. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 1, characterized in that: A bottom plate (9) is fixedly welded to one side of the fine slag storage box (5), and the coarse slag collecting structure (802) comprises a guide column (8021) fixedly welded to the top of the bottom plate (9), a guide plate (8022) slidably sleeved on the guide column (8021), a return spring (8023) welded between the guide plate (8022) and the bottom plate (9), a support plate (8024) fixedly welded between the two guide plates (8022), and a coarse slag collecting box (8025) mounted on the top of the support plate (8024), the return spring (8023) being sleeved on the outside of the guide column (8021), and a limiting plate (10) being fixedly welded to the top of the guide column (8021).

3. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 2, characterized in that: The slag amount reminder structure (803) comprises an L-column (8031) fixedly welded to the top of the guide plate (8022), an alarm (8032) installed on the top of the screening box (6), a sensing column (8033) installed at the bottom of the L-column (8031) and a sensing plate (8034) installed on the top of the screening box (6), wherein the sensing column (8033) cooperates with the sensing plate (8034).

4. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 3, characterized in that: The sieve plate (801) has a sieve hole (11) at the top, and a first T-shaped slide groove (12) at one side of the sieve plate (801). The anti-blocking structure (804) comprises a first T-shaped slider (8041) slidably connected to the inside of the first T-shaped slide groove (12), a connecting block (8042) fixedly welded to the top of the first T-shaped slider (8041), an anti-blocking plate (8043) fixedly welded to one side of the connecting block (8042), and a connecting piece (8044) installed on the top of the connecting block (8042). A cleaning brush is installed at the bottom of the anti-blocking plate (8043), and the cleaning brush cooperates with the sieve hole (11).

5. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 4, characterized in that: A second T-shaped slide groove is provided on the inner wall of the screening box (6), and the connecting member (8044) comprises a lifting column (13) fixedly welded to one end of the L column (8031), a second T-shaped slide block (14) fixedly welded to one side of the lifting column (13), a first hinge seat (15) fixedly welded to one side of the lifting column (13), a second hinge seat (16) fixedly welded to the top of the connecting block (8042), and a hinge plate (17) hinged to the bottom of the first hinge seat (15) and the top of the second hinge seat (16).

6. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 1, characterized in that: An air inlet pipe (18) is installed on one side of the gasification barrel (3), and the gasification barrel (3) is connected to the process gas storage box (1) via an air outlet pipe (19).

7. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 6, characterized in that: The bottom of the gasification barrel (3) is connected to the heat drying box (4) via a discharge pipe (20), the top of the heat drying box (4) is connected to the air outlet pipe (19) via an auxiliary pipe (21), and a heat drying and dehydration structure is installed inside the heat drying box (4).

8. The device for efficient dehydration and resource utilization of coal gasification slag according to claim 1, characterized in that: A pulverizing motor (22) is mounted on one side of the pulverizing box (7) via bolts, and a pulverizing element is mounted on the output shaft of the pulverizing motor (22).

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