CN215370592U

CN215370592U - Waterproof guide wheel for scraper slag extractor

Info

Publication number: CN215370592U
Application number: CN202120625286.8U
Authority: CN
Inventors: 王图钦; 袁社路; 陈卓; 张加龙; 韩波浪; 李锋; 李忠勇
Original assignee: Shaanxi Changqing Energy & Chemical Co ltd
Current assignee: Shaanxi Changqing Energy & Chemical Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-31
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a waterproof guide wheel for a scraper slag extractor, which is characterized in that: comprises an elongated shaft (12), a stuffing box (9) and a graphite packing (13) which are arranged outside the elongated shaft (12) in a matching way; a second good type ring (10) and a washing water tank (11) are arranged between the lengthened shaft (12) and the stuffing box (9); the graphite packing (13) is arranged on the inner side of the packing box (9) and is fixedly connected with the packing box (9) through a gland (15) and a first hexagon head bolt (14); the stuffing box (9), the gland (15), the graphite packing (13) and the second good type ring (10) form a sealing device. The problem of current guide pulley structure do not take effectual waterproof measure, and the slag-laden water gets into the bearing box and is the inefficacy of guide pulley that leads to has effectively avoided the slag-laden water to flow into the bearing box, has thoroughly stopped the dead problem that became invalid of bearing card, has reduced the wearing and tearing of wheel body, round-link chain and the derailment accident of chain.

Description

Waterproof guide wheel for scraper slag extractor

Technical Field

The utility model relates to the field of coal chemical devices, in particular to a waterproof guide wheel for a scraper slag scooping machine.

Background

The scraper slag dragging machine is a device for roughly separating gasified coarse slag from water by utilizing scrapers fixed on two circular chains, and the movement track of the chains is limited by guide wheels. The solid content of the discharged slag of the gasification furnace is 18 to 25 percent, the particle size is 40 to 420 mu m, the temperature is 80 to 98 ℃, and the PH value is 7.6 to 9.4. As shown in the prior guide wheel part on the right side of the drawing 1, four guide wheels are arranged at four corners of the bottom of the slag bin, a wheel body is arranged inside the slag bin, and a bearing box (4) is arranged outside the slag bin. Because the wearing and tearing and the corruption of skeleton oil blanket (3) and the first good dress type circle (2) of sealing device department of sediment water to bearing box (4), in the sediment water got into bearing box (4), the grease emulsification became invalid, and first bearing (5) and second bearing (7) are died by thick sediment card, lead to the wheel body not to change then, and the rolling friction of ring chain and wheel body becomes sliding friction, and wearing and tearing aggravation, the electric current increases, takes place the chain to derail the unplanned shutdown even.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the waterproof guide wheel for the scraper slag scooping machine overcomes the problem that the guide wheel fails because slag water enters a bearing box because an effective waterproof measure is not adopted in the existing guide wheel structure, effectively avoids the problem that the slag water flows into the bearing box, thoroughly avoids the problem that the bearing is stuck and fails, and reduces the abrasion of a wheel body and a circular chain and the derailment accident of the chain.

The technical problem to be solved by the utility model is realized by the following technical scheme:

the utility model provides a waterproof guide pulley of scraper blade slag extractor which characterized by: the packing box is matched with the graphite packing and is arranged outside the lengthened shaft, and the dynamic sealing function is realized; a second good type ring is arranged between the lengthened shaft and the stuffing box; the graphite packing is arranged on the inner side of the packing box and is fixedly connected with the packing box into a whole through a gland and a first hexagon head bolt; the stuffing box, the gland, the graphite packing and the second good sealing ring form a whole set of sealing device.

Preferably, a flushing water tank is provided between the elongated shaft and the stuffing box.

Preferably, the graphite packing is four.

Preferably, the stuffing box is fixedly connected with the bearing box body of the primary guide wheel part through a second hexagon head bolt.

Preferably, a first bearing and a second bearing are arranged outside the shaft of the primary guide wheel part integrated with the lengthened shaft; in the first good class type circle, oil blanket set up the end cover, be equipped with the oiling mouth on the bearing box body in the end cover outside, former guide pulley is one section to be equipped with the end cover.

Through the technical scheme, the utility model has the following beneficial effects:

the waterproof guide wheel is formed by modifying the original guide wheel and can be used as an integrated manufacturing structure of a set of guide wheels. The original bearing box sealing device is directly contacted with the slag water, the main shaft is lengthened, and the bearing box moves backwards, so that the slag water is separated from the bearing box. The lengthened shaft and the improved slag bin shell adopt a filler sealing mode.

1. The damage of the bearing, the framework oil seal and the good sealing ring caused by the fact that slag water enters the bearing box is avoided.

2. The sliding friction between the wheel body and the circular ring chain caused by the clamping of the bearing is changed into rolling friction, so that the friction force is reduced, and the abrasion is reduced.

3. The workload of overhauling the dead guide wheel is reduced.

4. The derailment accident of the circular chain is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

Numbering in the figures: 1-sealing end cover, 2-first good type ring, 3-oil seal, 4-bearing box body, 5-first bearing, 6-oil injection port, 7-second bearing, 8-end cover, 9-packing box, 10-second good type ring, 11-flushing water tank, 12-lengthening shaft, 13-graphite packing seal, 14-first hexagon head bolt, 15-pressing cover, 16-second hexagon head bolt, 17-improved slag bin shell, 18-original slag bin shell

Detailed Description

As shown in fig. 1, the waterproof guide wheel for the scraper slag extractor comprises an elongated shaft 12, a stuffing box 9 and a graphite packing 13 which are arranged outside the elongated shaft 12 in a matching manner, wherein a second good-shaped ring 10 and a washing water tank 11 are arranged between the elongated shaft 12 and the stuffing box 9; the four graphite packing sets 13 are arranged on the inner side of the packing box 9 and are fixedly connected with the packing box 9 into a whole through a gland 15 and a first hexagon head bolt 14; the stuffing box 9, the gland 15, the graphite packing 13 and the second good sealing ring 10 form a complete sealing device.

The stuffing box 9 is fixedly connected with the bearing box body 4 of the primary guide wheel part through a second hexagon head bolt 16.

The guide wheel stuffing box 9 is connected with the original bearing box body 4 through bolts, the stuffing box and the gland 15, four graphite packing and good assembly type rings form a whole set of sealing device, and the joint of the other side of the stuffing box and the slag bin shell 17 is connected through bolts. Compared with the connection part of the raw slag bin shell 18, the connecting part is lengthened.

According to the utility model, the shaft of the original guide wheel structure is replaced by the lengthened type 12, the assembled type ring, the graphite packing 13, the gland 15 and the packing box 9 are assembled, the assembled packing box is integrally fixed with the original guide wheel through the hexagon head bolt 16, the hexagon head bolt 14 is installed, and the graphite packing 13 is tightly pressed through the gland 15. The tightening of the hex head bolt 14 is sufficient to ensure proper rotation of the elongated shaft 12. When the graphite packing 13 is leaked in use, the hexagon head bolt 14 can be properly fastened. On the side of the stuffing box 9 contacting with the slag water, when the washing water tank 11 is externally connected with washing water, the slag water is isolated by the pressure of the washing water, and a channel for outflow of the slag water is further blocked.

Claims

1. The utility model provides a waterproof guide pulley of scraper blade slag extractor which characterized by: comprises an elongated shaft (12), a stuffing box (9) and a graphite packing (13) which are arranged outside the elongated shaft (12) in a matching way; a second good type ring (10) and a washing water tank (11) are arranged between the lengthened shaft (12) and the stuffing box (9); the graphite packing (13) is arranged on the inner side of the packing box (9) and is fixedly connected with the packing box (9) through a gland (15) and a first hexagon head bolt (14); the stuffing box (9), the gland (15), the graphite packing (13) and the second good-quality ring (10) form a sealing device.

2. The waterproof guide wheel for the scraper slag extractor as claimed in claim 1, which is characterized in that: a washing water tank (11) is arranged between the lengthened shaft (12) and the stuffing box (9).

3. The waterproof guide wheel for the scraper slag extractor as claimed in claim 1, which is characterized in that: the graphite packing is four.

4. The waterproof guide wheel for the scraper slag extractor as claimed in claim 1 or 2, which is characterized in that: the stuffing box (9) is fixedly connected with the bearing box body (4) of the primary guide wheel part through a second hexagon head bolt (16).

5. The waterproof guide wheel for the scraper slag extractor as claimed in claim 4, which is characterized in that: a first bearing (5) and a second bearing (7) are arranged outside the shaft of the original guide wheel part integrated with the lengthened shaft (12); the first component is good in that type circle (2), oil blanket (3) set up in end cover (1), is equipped with oiling mouth (6) on bearing box (4) in end cover (1) outside, and former guide pulley is one section to be equipped with end cover (8).