CN202006132U - Dry method acetylene carbide conveying and decontaminating device - Google Patents

Abstract

The utility model relates to the technical field of chemical industry, in particular to a dry-process acetylene calcium carbide conveying impurity removal device. The outlet of the second conveying belt of the jaw crusher described in the utility model is provided with a permanent magnet drum, and an iron block collector is arranged under the permanent magnet drum; Three electromagnetic iron removers; a return pipe connected to the feed port of the vertical shaft crusher is installed under the trommel screen, and a return pipe screen is installed at the upper end of the return pipe. The utility model has the following beneficial effects: the utility model can greatly reduce the maintenance frequency, effectively control the production reduction caused by the maintenance, create conditions for safe and stable production, and reduce the economic loss caused by the replacement of the hammer . The utility model relates to a dry-process acetylene calcium carbide conveying impurity removal method, which can be applied to dry-process acetylene production.

Description

A dry method acetylene calcium carbide conveying impurity removal device

technical field

The utility model relates to the technical field of chemical industry, in particular to a calcium carbide conveying impurity removal device in the dry acetylene production process.

Background technique

The thorny problem often encountered in the production of dry-process acetylene is that the ferrosilicon, ferroselenium and some iron blocks mixed with calcium carbide contained in calcium carbide cannot be removed. Once these impurities enter the equipment, they will cause great damage to the equipment. . Such as: stuck feeding pan feeder, broken hammer and liner of crusher, blocked drum screen, directly shortening the operation cycle and life of the equipment, and the production cannot be continued. In the production process of dry-process acetylene, on average, each production line (ten production lines in total, six openings and four preparations) cannot be completely removed every 10 days due to the fact that the ferrosilicon, ferroselenium and some iron blocks mixed with calcium carbide cannot be completely removed. The hammer head and liner of the crusher will be damaged, and the replacement of the hammer head will not only affect the production, but also cause economic losses due to the replacement of the hammer head.

Contents of the invention

The technical problem to be solved by the utility model is to provide a dry-process acetylene carbide conveying impurity removal device for the deficiencies in the prior art.

A dry-process acetylene calcium carbide conveying impurity removal device of the utility model is realized through the following technical scheme: a dry-process acetylene calcium carbide conveying impurity removal device includes calcium carbide, a first electromagnetic iron remover, a first conveying belt, a jaw crusher, The second conveyor belt, the second electromagnetic separator, the permanent magnet drum, the iron collector, the coarse material bucket elevator, the coarse material bin, the valve, the disc crusher, the vertical shaft crusher, the chute, the third electromagnetic iron remover, the mixer Hopper elevator, material return pipe, material pipe screen, trommel screen, fine material bin, a permanent magnet drum is installed at the outlet of the second conveying belt of the jaw crusher, and an iron block collector is installed under the permanent magnet drum ;Set a third electromagnetic iron remover on the discharge chute of the vertical shaft pulverizer; set a return pipe connected to the feed port of the vertical shaft crusher under the drum screen, and set a return pipe screen at the upper end of the return pipe net.

Compared with the prior art, a dry-process acetylene carbide conveying impurity removal device of the utility model has the following beneficial effects: because the utility model dry acetylene calcium carbide conveying impurity removal device is provided with a permanent magnet after the traditional two-stage iron removal process step For drum iron removal, a third electromagnetic iron remover is installed on the chute below the vertical shaft crusher, and a return pipe is installed between the drum screen and the vertical shaft crusher, and a screen is installed at the upper end of the return pipe, and the permanent magnet drum Adsorb untreated iron nuggets on the belt. When the iron nuggets run with the belt and leave the permanent magnet drum, they will automatically fall off the belt and fall into the special collector. The entry of the iron nuggets is controlled at the entrance of the coarse hopper elevator. And a part of the unremoved special blocks mixed in the calcium carbide enters the vertical shaft pulverizer, and under the crushing of the vertical shaft pulverizer, part of the iron blocks are discharged from the discharge port and increase on the discharge chute. An RCDB-5 electromagnetic iron remover is used for iron removal.

Non-magnetic ferrosilicon and other sundries also enter the drum screen along with the bucket elevator, qualified calcium carbide enters the silo, and at this time, ferrosilicon and other sundries and partially broken unqualified calcium carbide return to the vertical shaft crushing again. Machine, we will add a 30X30mm screen on the return pipe to screen the sundries and calcium carbide again, and clean the screen regularly to remove the sundries and recycle the calcium carbide. The method of the utility model can greatly reduce the maintenance frequency, effectively control the production reduction caused by the maintenance, and create conditions for safe and stable production. At the same time, it can reduce the economic loss caused by the replacement of hammerheads. According to each crusher, there are 16 hammerheads, 525 yuan/piece, and each crusher has 64 liners, 256 yuan/piece, and the hammerheads are replaced every time they are overhauled. (5×525+5×256)×6=23,430 yuan calculation, can generate 840,000 yuan/year benefit. The utility model relates to a dry-process acetylene calcium carbide transporting impurity removal device, which can be applied to dry-process acetylene production.

Description of drawings

The book is a process flow chart of a dry-process acetylene carbide conveying impurity removal device of the utility model.

Among them: 1. Calcium carbide; 2. The first electromagnetic iron remover; 3. The first conveyor belt; 4. Jaw crusher; 5. The second conveyor belt; 6. The second electromagnetic iron remover; 7. Permanent magnet drum; 8 1. Iron block collector; 9. Coarse material bucket elevator; 10. Coarse material bin; 11. Valve; 12. Disk crusher; 13. Vertical shaft crusher; 14. Slide pipe; 15. The third electromagnetic iron remover; 16. Mixing semi-lifting machine; 17. Return material pipe; 18. Return material pipe screen; 19. Drum sieve; 20. Fine material bin.

Detailed ways

The technical scheme of a dry-process acetylene carbide conveying impurity removal device of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, a dry-process acetylene calcium carbide conveying impurity removal device of the present invention includes calcium carbide 1, a first electromagnetic iron remover 2, a first conveying belt 3, a jaw crusher 4, a second conveying belt 5, a second Electromagnetic iron remover 6, permanent magnet drum 7, iron block collector 8, coarse material bucket elevator 9, coarse material bin 10, valve 11, disc crusher 12, vertical shaft crusher 13, chute 14, third electromagnetic separator Ironware 15, mixing bucket elevator 16, return pipe 17, material pipe screen 18, trommel sieve 19, fine material bin 20, permanent magnet is set at the outlet of the second conveying belt 5 discharged from the jaw crusher 4 Drum 7, set iron block collector 8 below the permanent magnet drum 7; set a third electromagnetic iron remover 15 on the discharge chute 14 of the vertical shaft pulverizer 11; set the vertical shaft crusher below the drum screen 19 13 A return pipe 17 connected to the feed port, and a return pipe screen 18 is arranged at the upper end of the return pipe 17 .

Example 1.

The utility model is a dry-process acetylene calcium carbide conveying impurity removal device comprising calcium carbide 1 conveyed from the feed bin, a first electromagnetic iron remover 2, a first conveying belt 3, a jaw crusher 4, a second conveying belt 5, and a second conveying belt 5. 2 Electromagnetic iron remover 6, permanent magnet drum 7, iron block collector 8, coarse material bucket elevator 9, coarse material bin 10, valve 11, disc crusher 12, vertical shaft crusher 13, chute 14, third electromagnetic Iron remover 15, mixing bucket elevator 16, return pipe 17, material pipe screen 18, trommel sieve 19, fine material bin 20, including calcium carbide 1 through the first electromagnetic iron remover 2 above the traditional first conveyor belt 3 First-stage iron removal, first-stage crushing by the jaw crusher 4, second-stage iron removal by the second electromagnetic iron remover 6 above the second conveyor belt 5, and second-stage iron removal by the disc crusher 12 and vertical shaft crusher 13 stage crushing, a permanent magnet drum 7 is set at the outlet of the second conveyor belt 5 discharged from the jaw crusher 4, and an iron block collector 8 is set below the permanent magnet drum 7; A third electromagnetic iron remover 15 is arranged on the pipe 14; a return pipe 17 connected to the feed port of the vertical shaft crusher 13 is arranged under the trommel 19, and a return pipe screen 18 is arranged at the upper end of the return pipe 17.

The working process of the present utility model: 1) The three-stage iron removal step of the permanent magnetic drum. The permanent magnetic drum 7 is set at the outlet of the second-stage conveyor belt 5 of the jaw crusher 4 in the second-stage iron removal step, and the jaw crusher 4. The second electromagnetic iron remover 6 on the second discharge conveyor belt 5. The unprocessed iron lumps of the secondary iron removal are processed again, and the iron lump collector 8 is set under the permanent magnet drum 7;

2) Fourth-stage iron removal steps of the third electromagnetic iron remover A third electromagnetic iron remover 15 is installed on the discharge chute 14 of the vertical shaft crusher 13 to remove iron, and the unremoved iron blocks mixed in the calcium carbide enter the vertical shaft Type crusher 13, under the crushing of vertical shaft type crusher 13, part of the iron block is just discharged with mixing hopper elevator 16 outlets;

3) The five-stage iron removal step of the return pipe screen Set the return pipe 17 connected to the feed port of the vertical shaft crusher 13 under the drum screen 19, and set the return pipe screen 18 at the upper end of the return pipe 17. The magnetic ferrosilicon and iron selenium impurities enter the drum screen 19 with the mixing bucket elevator 16, and the qualified calcium carbide enters the fine material bin 20. The iron silicon, selenium, iron impurities and partially crushed unqualified calcium carbide return to the vertical shaft through the return pipe 17. Formula crusher 13, the 30X30mm return pipe screen 18 that the return pipe 17 upper end is provided with, once again sundries and calcium carbide are screened, and screen cloth is cleaned regularly, foreign matter is removed, and calcium carbide is then recycled.

The specific re-election method is as follows: 1. Change the steering drum of the coarse crusher 4 discharge belt conveyor to a full-magnetic permanent magnet drum 7, and re-treat the unprocessed iron blocks on the coarse crusher 4 discharge belt 5 of the electromagnetic separator 6. Carry out the iron removal treatment, the permanent magnet drum 7 will absorb the untreated and clean iron on the belt, when the iron is separated from the permanent magnet drum along with the belt running, it will automatically fall off the belt and fall into the special collector 8, where it will be picked up by the coarse hopper elevator 9 The import of the iron block is controlled.

2. A part of the unremoved special blocks mixed in the calcium carbide enters the vertical shaft crusher 13, and under the crushing of the vertical shaft crusher 13, part of the iron blocks are discharged along with the discharge port. An electromagnetic iron remover 15 of RCDB-5 is added on the chute 14 to remove iron.

3. Non-magnetic ferrosilicon and other sundries also enter the drum screen 19 along with the bucket elevator, and qualified calcium carbide enters the silo 20, while at this time, ferrosilicon and other sundries and partially broken unqualified calcium carbide pass through The material return management office returns to the vertical shaft crusher 13 again. We will add a 30X30mm screen 18 to the material return pipe 17 to screen the sundries and calcium carbide again, and clean the screen regularly to remove the sundries and the calcium carbide. is recycled.

4. Main equipment parameter list

device name model quantity Unit price (yuan) Permanent Magnetic Roller φ320×750 10 6700 Electromagnetic iron remover RCDB-5 10 9562 sieve 30X30mm 5㎡ 500/㎡ Channel steel C20 0.5 tons 4500 yuan / ton

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, any person familiar with the technology can easily think of it within the technical scope disclosed in the utility model Changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (1)

1. a drying acetylene calcium carbide is carried knot screen, comprise calcium carbide (1), first electric magnetic iron remover (2), first belt conveyor (3), jaw crusher (4), second belt conveyor (5), second electric magnetic iron remover (6), permanent magnetic pulley (7), iron block gatherer (8), coarse fodder bucket elevator (9), coarse fodder storehouse (10), valve (11), disk crusher (12), vertical shaft crusher (13), elephant trunk (14), the 3rd electric magnetic iron remover (15), batch mixing bucket elevator (16), feed back pipe (17), material pipe screen cloth (18), rotary screen (19), fines storehouse (20), it is characterized in that: second belt conveyor (5) exit of described jaw crusher (4) discharging is provided with permanent magnetic pulley (7), and permanent magnetic pulley (7) below is provided with iron block gatherer (8); On the elephant trunk (14) of broken machine (11) discharging of vertical shaft type powder, one the 3rd electric magnetic iron remover (15) is set; In rotary screen (19) below the feed back pipe (17) that is connected with vertical shaft crusher (13) charging aperture is set, feed back pipe (17) upper end is provided with feed back pipe screen cloth (18).