Slag salvaging device for coal water slurry gasification

Abstract

The utility model relates to the technical field of slag salvaging devices, in particular to a slag salvaging device for coal water slurry gasification, which comprises a slag salvaging machine, the slag salvaging machine comprises two chain components which are symmetrically mounted inside, each chain component comprises a chain shaft, an arc hole is formed in the narrower end of each chain shaft, a threaded hole is formed in the narrower end of each chain shaft, and the arc holes are communicated with the threaded holes. A mounting cavity is formed in the outer wall of the narrow end of the chain shaft, an arc pin is slidably connected to the inner wall of the arc hole, a connecting hole is formed in the outer wall of the arc pin, and a bolt is in threaded connection with the inner wall of the threaded hole. According to the chain link assembly, the arc pin is inserted into the arc hole in the chain shaft, the bolt is screwed into the threaded hole in the chain shaft, the end of the bolt penetrates through the connecting hole in the arc pin, the arc pin is further fixed, and therefore the situation that when the chain link assembly operates for a long time, the arc pin is loosened due to deformation, and the chain pieces fall off is avoided; and the bolts are screwed out of the arc pins, so that the chain pieces can be conveniently replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a slag salvaging device technical field, more specifically, relate to a kind of slag salvaging device for coal water slurry gasification. BACKGROUND

[0002] In the coal water slurry gasification process, the molten ash is discharged into the slag pool after quenching, and if not salvaged in time, it may accumulate and affect the normal operation of the gasifier. The slag salvaging device is usually composed of a shell, a chain scraper, a driving device, a tensioning mechanism, a water tank and other parts, and the overall structure is similar to the combination of a conveyor belt and a scraper. The core component is the chain scraper, which salvages the slag from the bottom of the gasifier through cyclic motion, completing the continuous process of collection, transportation and discharge.

[0003] In the chain system of the slag salvaging machine, adjacent chain links are connected by a chain shaft, the chain shaft penetrates the shaft hole of the chain link, and then a metal rod is inserted into the hole at the end of the chain shaft. By knocking, the metal rod is bent to fix the chain link on the chain shaft to form a stable chain link assembly. However, when the chain link assembly operates for a long time, the metal rod may loosen due to deformation, causing the chain link to fall off. At the same time, the fixing method of deforming the metal rod by knocking is not convenient for replacing the chain link. SUMMARY

[0004] Based on the above-mentioned technical problem of "when the chain link assembly operates for a long time, the metal rod may loosen due to deformation, causing the chain link to fall off, and the fixing method of deforming the metal rod by knocking is not convenient for replacing the chain link", the utility model proposes a slag salvaging device for coal water slurry gasification. By rotating the bolt in the chain shaft, the end of the bolt penetrates the arc pin, further fixing the arc pin, thereby avoiding loosening of the arc pin due to deformation when the chain link assembly operates for a long time, causing the chain link to fall off, and facilitating replacement of the chain link.

[0005] The utility model discloses a kind of slag salvaging devices for coal water slurry gasification, including slag salvaging machine, the slag salvaging machine includes two chain link assemblies symmetrically installed inside;

[0006] The chain link assembly includes a chain shaft, the narrower end of the chain shaft is provided with an arc hole, the narrower end of the chain shaft is provided with a threaded hole, and the outer wall of the narrower end of the chain shaft is provided with a mounting cavity. The inner wall of the arc hole is slidably connected with an arc pin, the outer wall of the arc pin is provided with a connecting hole, the inner wall of the threaded hole is threadedly connected with a bolt, the end of the bolt penetrates the connecting hole and extends to the outside thereof, the outer end of the chain shaft is provided with a rotating hole, the outer wall of the bolt is sleeved with a spring, and the outer wall of the bolt is fixedly connected with a limiting sleeve. The limiting sleeve and the spring are located in the mounting cavity respectively.

[0007] Preferably, the chain assembly further comprises a first chain plate, a second chain plate and a rotating sleeve, the chain shaft end penetrates through the first chain plate and the second chain plate and extends to the outside thereof, the first chain plate and the second chain plate are symmetrically distributed in pairs at both ends of the chain shaft, and the rotating sleeve is rotationally connected to the outer wall of the chain shaft and is in contact with the second chain plate at both ends.

[0008] Preferably, the chain assembly further comprises a first chain plate, a second chain plate and a rotating sleeve, the chain shaft end penetrates through the first chain plate and the second chain plate and extends to the outside thereof, the first chain plate and the second chain plate are symmetrically distributed in pairs at both ends of the chain shaft, and the rotating sleeve is rotationally connected to the outer wall of the chain shaft and is in contact with the second chain plate at both ends.

[0009] Preferably, the chain assembly further comprises a first chain plate, a second chain plate and a rotating sleeve, the chain shaft end penetrates through the first chain plate and the second chain plate and extends to the outside thereof, the first chain plate and the second chain plate are symmetrically distributed in pairs at both ends of the chain shaft, and the rotating sleeve is rotationally connected to the outer wall of the chain shaft and is in contact with the second chain plate at both ends.

[0010] Preferably, the chain assembly further comprises a first chain plate, a second chain plate and a rotating sleeve, the chain shaft end penetrates through the first chain plate and the second chain plate and extends to the outside thereof, the first chain plate and the second chain plate are symmetrically distributed in pairs at both ends of the chain shaft, and the rotating sleeve is rotationally connected to the outer wall of the chain shaft and is in contact with the second chain plate at both ends.

[0011] Preferably, one of the adjusting holes is inserted with a positioning shaft, and the positioning shaft is detachably installed with an axle seat at both ends, and the axle seat is fixedly installed on the side wall of the first chain plate.

[0012] Preferably, the positioning shaft is provided with a positioning hole at both ends, and the axle seat is provided with a second fastener, and the second fastener is used for fixing the positioning shaft in the axle seat through the positioning hole.

[0013] Preferably, the chain assembly further comprises a first chain plate, a second chain plate and a rotating sleeve, the chain shaft end penetrates through the first chain plate and the second chain plate and extends to the outside thereof, the first chain plate and the second chain plate are symmetrically distributed in pairs at both ends of the chain shaft, and the rotating sleeve is rotationally connected to the outer wall of the chain shaft and is in contact with the second chain plate at both ends.

[0014] By the above technical scheme, the beneficial effects of the present application are as follows:

[0015] 1. By inserting the arc pin into the arc hole on the chain shaft and rotating the bolt into the threaded hole on the chain shaft, the end of the bolt penetrates through the connecting hole on the arc pin, which further fixes the arc pin, thereby avoiding loosening of the arc pin due to deformation during long-term operation of the chain link assembly, causing the chain plate to fall off. By rotating the bolt out of the arc pin in the opposite direction, the chain plate can be easily replaced.

[0016] 2. Under the elastic force of the spring, the limiting sleeve is extruded, thereby applying pressure to the bolt and improving the stability of the bolt installation.

[0017] 3, by the second fastener from the shaft seat, by the positioning shaft from the adjusting shaft, the positioning shaft is installed in the different adjusting hole, thereby can change the angle of the installation groove, further to the installation angle of the slag plate is adjusted, through the adjustment of the angle of the slag plate, can make the slag plate better adapt to the shape and depth of the slag pool, thereby more effectively scraping and collecting the slag. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the local structure schematic diagram of the utility model;

[0020] Figure 3 It is the installation structure schematic diagram of the rotating sleeve of the utility model;

[0021] Figure 4 It is the installation structure schematic diagram of the arc pin of the utility model;

[0022] Figure 5 It is the local structure schematic diagram of the chain shaft of the utility model;

[0023] Figure 6 It is the structure schematic diagram of the local split of the utility model;

[0024] Figure 7 It is the structure schematic diagram of the local split of the utility model.

[0025] In the drawing: 1, the slag machine;2, the first chain plate;3, the second chain plate;4, the chain shaft;5, the rotating sleeve;6, the arc hole;7, the threaded hole;8, the installation cavity;9, the arc pin;10, the connecting hole;11, the bolt;12, the rotating hole;13, the spring;14, the limiting sleeve;15, the adjusting shaft;16, the adjusting hole;17, the installation groove;18, the plug-in plate;19, the first fastener;20, the positioning shaft;21, the positioning hole;22, the second fastener;23, the shaft seat;24, the connecting plate;25, the slag plate;26, the box;27, the active metal block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0027] As Figures 1-5As shown in the figure, a water coal slurry gasification with a slag device, including a slag machine 1, the slag machine 1 includes two chain assemblies installed symmetrically inside, chain assembly is installed on the chain wheel in the slag machine 1, through the chain wheel rotation drive chain assembly reciprocating movement;

[0028] Chain assembly includes chain shaft 4, the narrow end of the chain shaft 4 is provided with an arc hole 6, the narrow end of the chain shaft 4 is provided with a threaded hole 7, the outer wall of the narrow end of the chain shaft 4 is provided with a mounting cavity 8, the inner wall of the arc hole 6 is slidably connected with an arc pin 9, the outer wall of the arc pin 9 is provided with a connecting hole 10, the inner wall of the threaded hole 7 is threadedly connected with a bolt 11, the end of the bolt 11 penetrates through the connecting hole 10 and extends to the outside thereof, the outer wall of the bolt 11 is sleeved with a spring 13, the outer wall of the bolt 11 is fixedly connected with a limiting sleeve 14, and the limiting sleeve 14 and the spring 13 are located in the mounting cavity 8.

[0029] In this embodiment, as shown in the figure, Figure 3 The chain assembly further comprises a first chain plate 2, a second chain plate 3 and a rotating sleeve 5, the end of the chain shaft 4 penetrates through the first chain plate 2 and the second chain plate 3 and extends to the outside thereof;

[0030] The first chain plate 2 and the second chain plate 3 are symmetrically distributed at both ends of the chain shaft 4, which improves the symmetry and stability of the chain assembly;

[0031] The rotating sleeve 5 is rotatably connected to the outer wall of the chain shaft 4, and the two ends of the rotating sleeve 5 are in contact with the second chain plate 3, respectively.

[0032] In this embodiment, the slag machine 1 further comprises a slag assembly, and the slag assembly comprises a slag plate 25, and the two sides of the slag plate 25 are fixedly installed on the first chain plate 2.

[0033] In this embodiment, the slag assembly further comprises a connecting plate 24, the two sides of the connecting plate 24 are fixedly connected with the plug plate 18, respectively, and the top of the connecting plate 24 is fixedly connected with the slag plate 25.

[0034] In this embodiment, as shown in the figure, Figure 2 And Figure 6 The slag assembly further comprises an adjusting shaft 15, the outer wall of the adjusting shaft 15 is provided with a plurality of adjusting holes 16, the end of the adjusting shaft 15 is provided with a mounting groove 17, the inner wall of the mounting groove 17 is installed with a first fastener 19, the plug plate 18 is inserted in the mounting groove 17, and the first fastener 19 is used for fixing the plug plate 18 on the adjusting shaft 15, one of the adjusting holes 16 is inserted with a positioning shaft 20, the two ends of the positioning shaft 20 are detachably installed with an axle seat 23, the axle seat 23 is fixedly installed on the side wall of the first chain plate 2, respectively, the two ends of the positioning shaft 20 are provided with a positioning hole 21, respectively, the second fastener 22 is installed in the axle seat 23, the second fastener 22 fixes the positioning shaft 20 in the axle seat 23 through the positioning hole 21, and the first fastener 19 and the second fastener 22 are both composed of a bolt and a nut.

[0035] By adjusting the angle of the slag skimming plate 25, the slag skimming plate 25 can better adapt to the shape and depth of the slag pool, thereby more effectively scraping and collecting the slag.

[0036] The existing slag skimming machine box, scraper, guide wheel and chain used in the coal water slurry gasification technology are mostly made of carbon steel. Since they are long-term in a humid environment of slag water immersion or slag water volatilization, there are a large amount of acidic gases in the slag water, resulting in corrosion of the structure.

[0037] In the present embodiment, as shown in Figure 7 The active metal block 27 is made of zinc alloy and is poured on the stainless steel before installation, so that the active metal block is soaked in the slag water and does not affect the operation of the slag skimming machine. The active metal block acts as a sacrificial anode. After the sacrificial anode is connected to the slag skimming machine, it is in the electrolyte formed by the slag water mixture, forming a primary cell. The metal with strong activity loses electrons and is corroded, and the metal with poor activity is protected by electrons. Therefore, the corrosion of the structural parts can be effectively slowed down.

[0038] Working principle: by inserting the arc pin 9 into the arc hole 6 on the chain shaft 4, and by rotating the bolt 11 into the threaded hole 7 on the chain shaft 4, the end of the bolt 11 penetrates the connecting hole 10 on the arc pin 9, further fixing the arc pin 9, so as to avoid the loosening of the arc pin 9 due to deformation when the chain link assembly is operated for a long time, causing the chain plate to fall off. By rotating the bolt 11 out of the arc pin 9 in the opposite direction, the chain plate can be easily replaced.

[0039] After installation, the spring 13 is pressed under the elastic force, so as to apply pressure to the bolt 11 and improve the stability of the installation of the bolt 11.

[0040] By rotating the second fastener 22 out of the shaft seat 23, and by rotating the positioning shaft 20 out of the adjusting shaft 15 and installing the positioning shaft 20 in different adjusting holes 16, the angle of the installation groove 17 can be changed, and the installation angle of the slag skimming plate 25 can be adjusted.

[0041] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or equipment including a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or equipment.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slag removal device for coal-water slurry gasification, characterized in that, include: A slag remover (1), the slag remover (1) comprising two chain assemblies symmetrically installed internally; The chain assembly includes a chain shaft (4), with an arc hole (6) at the narrower end of the chain shaft (4) and a threaded hole (7) at the narrower end of the chain shaft (4). An installation cavity (8) is formed on the outer wall of the narrower end of the chain shaft (4). An arc pin (9) is slidably connected to the inner wall of the arc hole (6). A connecting hole (10) is formed on the outer wall of the arc pin (9). A bolt (11) is threadedly connected to the inner wall of the threaded hole (7). The end of the bolt (11) passes through the connecting hole (10) and extends to its outer side. A rotating hole (12) is formed at the outer end of the bolt (11) located on the chain shaft (4). A spring (13) is sleeved on the outer wall of the bolt (11). A limit sleeve (14) is fixedly connected to the outer wall of the bolt (11). The limit sleeve (14) and the spring (13) are respectively located in the installation cavity (8).

2. The slag removal device for coal-water slurry gasification according to claim 1, characterized in that: The chain assembly also includes a first chain plate (2), a second chain plate (3), and a rotating sleeve (5). The end of the chain shaft (4) passes through the first chain plate (2) and the second chain plate (3) and extends to their outer side. The first chain plate (2) and the second chain plate (3) are symmetrically distributed at both ends of the chain shaft (4). The rotating sleeve (5) is rotatably connected to the outer wall of the chain shaft (4). The two ends of the rotating sleeve (5) are in contact with the second chain plate (3) respectively.

3. The slag removal device for coal-water slurry gasification according to claim 2, characterized in that: The slag removal machine (1) also includes a slag removal assembly, which includes a slag removal plate (25), and the two sides of the slag removal plate (25) are fixedly installed on the first chain plate (2).

4. The slag removal device for coal-water slurry gasification according to claim 3, characterized in that: The slag removal assembly also includes a connecting plate (24), on which insert plates (18) are fixedly connected on both sides, and the top of the connecting plate (24) is fixedly connected to the slag removal plate (25).

5. The slag removal device for coal-water slurry gasification according to claim 4, characterized in that: The slag removal assembly also includes an adjusting shaft (15), the outer wall of which is provided with a plurality of adjusting holes (16), and the end of the adjusting shaft (15) is provided with an installation groove (17). A first fastener (19) is installed on the inner wall of the installation groove (17), and the insert plate (18) is inserted into the installation groove (17). The first fastener (19) is used to fix the insert plate (18) on the adjusting shaft (15).

6. The slag removal device for coal-water slurry gasification according to claim 5, characterized in that: One of the adjustment holes (16) is connected to a positioning shaft (20), and both ends of the positioning shaft (20) are detachably mounted with shaft seats (23), which are respectively fixedly mounted on the side wall of the first chain plate (2).

7. The slag removal device for coal-water slurry gasification according to claim 6, characterized in that: The positioning shaft (20) has positioning holes (21) at both ends. A second fastener (22) is installed in the shaft seat (23). The second fastener (22) fixes the positioning shaft (20) in the shaft seat (23) through the positioning holes (21).

8. The slag removal device for coal-water slurry gasification according to claim 7, characterized in that: The slag remover (1) also includes a housing (26), on the inner wall of which an active metal block (27) is fixedly installed.

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