CN216273966U

CN216273966U - Soot blower for shell coal gasification device

Info

Publication number: CN216273966U
Application number: CN202123301234.4U
Authority: CN
Inventors: 黄晓伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-12
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to the technical field of coal gasification, and particularly relates to a soot blower for a shell plate coal gasification device, which comprises four first through pipes, wherein gas diverters are arranged in the first through pipes, and the surfaces of the first through pipes are communicated with second through pipes which are uniformly distributed and are communicated with the gas diverters; through setting up second separation mechanism, after the inside of gas shunt guide to the second siphunculus of removing dust, gas of removing dust breaks the closing plate, make closing plate compression spring, gas of removing dust just can normally spout the second siphunculus and blow away surrounding buggy this moment, after gas jet of removing dust had been accomplished, the closing plate loses the impact force of gas of removing dust this moment, the spring just can drive the port of closing plate quick seal second siphunculus this moment, need not the outside buggy of worrying and get into the inside of second siphunculus, lead to the circumstances that second siphunculus or gas shunt blockked up, this frequency that has reduced staff's maintenance device effectively.

Description

Soot blower for shell coal gasification device

Technical Field

The utility model belongs to the technical field of coal gasification, and particularly relates to a soot blower for a shell coal gasification device.

Background

In the coal gasification process, because the raw material lignite is high in ash content and high in K, Na content, the ash deposition speed of a waste heat boiler is high, the device SGC deposits ash, high-load and long-period operation cannot be realized, devices at the downstream part are idle, and the capacity margin of the whole plant public engineering cannot be exerted.

Through the retrieval, chinese patent discloses a soot blower based on be used for two-stage process dry coal powder gasification stove (publication number is CN 209081822U), this patent technology compares with the soot blower of current gasification stove, can carry out the soot blowing at 360 degrees no dead angles, simultaneously can effectively increase soot blowing intensity and efficiency, prevent laying dust and stifled hole, and can take away blowpipe surface heat, because the device removes dust for intermittent type formula, when the device pauses, the inside of second siphunculus is fallen to very easily to the inside buggy of gasification stove, this blocks up the second siphunculus very easily, lead to the unable normal blowout from the second siphunculus of dust removal gas, and because the inside at the gasification stove is all installed to the device, the staff's of being inconvenient overhauls the device, be the problem of treating at present urgent need.

Disclosure of Invention

The utility model aims to provide a soot blower for a shell coal gasification device, which is used for solving the problem that coal powder is easy to block a second through pipe when the device is not used for a long time.

The utility model achieves the aim through the following technical scheme, and the soot blower for the shell coal gasification device comprises four first through pipes, wherein a gas splitter is arranged inside each first through pipe, the surfaces of the first through pipes are communicated with second through pipes which are uniformly distributed and communicated with the gas splitters, a first blocking mechanism is arranged at one end of each first through pipe, second blocking mechanisms are arranged at two ends of each second through pipe, the first blocking mechanism and the second blocking mechanisms are identical in structure, and a dust removal mechanism is arranged on the surface of the first through pipe on one side;

the second separation mechanism comprises a sealing plate, the sealing plate is connected to the surface of the second through pipe in a sliding mode, mounting grooves which are distributed annularly are formed in two ends of the second through pipe, a connecting rod is fixedly connected to one end of the sealing plate, and one end of the connecting rod penetrates through the mounting grooves.

Preferably, one end of the connecting rod is fixedly connected with a limiting plate, the surface of the limiting plate is connected with the mounting groove in a sliding mode, and the diameter of the limiting plate is larger than that of the connecting position of the connecting rod and the mounting groove.

Preferably, the limiting plate is fixedly connected with a spring on the opposite side of the mounting groove, and the spring is sleeved on the surface of the connecting rod.

Preferably, the inner wall one side of mounting groove and the equal fixedly connected with magnet of one end of limiting plate, two the magnet adsorbs mutually.

Preferably, the surface of the sealing plate is provided with a sealing sleeve, and the surface of the sealing sleeve is in contact with the second through pipe.

Preferably, the dust removing mechanism comprises a connecting pipe, the connecting pipe is communicated with the surface of the first through pipe on one side, the lower end of the connecting pipe is communicated with a transit box, an air guide opening which is distributed annularly is formed in the surface of the transit box, sealing elastic pieces which are distributed annularly are fixedly connected to the inner wall of the air guide opening, and two adjacent sealing elastic pieces are in contact with each other.

Preferably, the inner bottom wall of the transit box is fixedly connected with a block, and the upper end of the block is spherical.

The utility model has the beneficial effects that:

(1) by arranging the second blocking mechanism, after the dedusting gas is guided to the inside of the second through pipe by the gas splitter, the dedusting gas rushes the sealing plate open, so that the sealing plate compresses the spring, the dedusting gas can normally spray out the second through pipe and blow away surrounding coal dust, after the dedusting gas is sprayed out, the sealing plate loses the impact force of the dedusting gas, the spring can drive the sealing plate to rapidly seal the port of the second through pipe, the situation that the second through pipe or the gas splitter is blocked due to the fact that external coal dust enters the inside of the second through pipe is avoided, the frequency of a worker for maintaining the device is effectively reduced, and a good anti-blocking effect is achieved;

(2) through setting up dust removal mechanism, after the connecting pipe will remove dust the gaseous guide and advance the transfer box, remove dust gaseous through the wind-guiding mouth and blow away the buggy in the appointed within range, with the dust removal scope of expansion device, when removing dust gaseous through the wind-guiding mouth, the sealed shell fragment can be washed away to the gas of removing dust, after the gas jet of removing dust was accomplished, sealed shell fragment lost the resistance this moment, sealed shell fragment just can reset by oneself and cooperate adjacent sealed shell fragment to seal the wind-guiding mouth, with the probability that the buggy got into the transfer box inside through the wind-guiding mouth that reduces.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the gas splitter and the second pipe according to the present invention;

FIG. 3 is a schematic structural view of a second blocking mechanism according to the present invention;

FIG. 4 is a schematic structural view of the dust removing mechanism of the present invention.

In the figure: 1. a first through pipe; 2. a gas splitter; 3. a second pipe; 301. mounting grooves; 4. a first blocking mechanism; 5. a second blocking mechanism; 501. a sealing plate; 502. a connecting rod; 503. a limiting plate; 504. a spring; 505. a magnet; 506. sealing sleeves; 6. a dust removal mechanism; 601. a connecting pipe; 602. a transfer box; 603. a wind guide opening; 604. blocking; 605. the elastic sheet is sealed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, a soot blower for a shell plate coal gasification device comprises four first through pipes 1, a gas splitter 2 is arranged inside the first through pipes 1, second through pipes 3 which are uniformly distributed and are communicated with the gas splitter 2 are communicated with the surfaces of the first through pipes 1, a first blocking mechanism 4 is arranged at one end of each first through pipe 1, second blocking mechanisms 5 are arranged at two ends of each second through pipe 3, the first blocking mechanism 4 and the second blocking mechanisms 5 are identical in structure, a dust removal mechanism 6 is arranged on the surface of the first through pipe 1 on one side, a flow orifice plate on the pipe is expanded at this time, and according to flow display under production pressure, the blowing flow reaches 12000 charge-13000 NM3/h which is slightly higher than the flow before transformation; the original sequential control program 13KS0004 is still adopted in the aspect of control, and two optimization steps are carried out to ensure the optimal soot blowing effect as follows: the start signal from 13KS000317 is delayed by 3 minutes to start the back blowing compliance control 13KS0004, and the fluctuation of gas consumption caused by overlapping with 13KS0005 is avoided. ② 13KS0004 step three input conditions 13GSL0034 delay 30 minutes to change into 15 minutes, increase the soot blowing frequency, each time purge 15 seconds; the SGC inlet temperature is controlled according to the original standard: 13TI0019 < (FT 2/3-150) DEG C, after installing the soot blower, the temperature drop is basically above 100 ℃, when 13TI-0019 reaches 650 ℃, no obvious ash deposition phenomenon exists, 13Pdi-0077 has no rising trend, the pressure difference is basically maintained below 14Kpa, the effect is obvious, thereby the ash deposition phenomenon is obviously improved after installing the soot blower of the gasification furnace, and the design purpose is achieved;

second separation mechanism 5 includes closing plate 501, closing plate 501 sliding connection is in the surface of second siphunculus 3, mounting groove 301 that is cyclic annular distribution is seted up at second siphunculus 3 both ends, closing plate 501's one end fixedly connected with connecting rod 502, the one end of connecting rod 502 runs through to the inside of mounting groove 301, when closing plate 501 and second siphunculus 3's port contact, closing plate 501 can be with the buggy separation in second siphunculus 3's outside, need not worry that external buggy gets into the inside of second siphunculus 3, lead to second siphunculus 3 or the condition that gas shunt 2 blockked up, this has reduced the frequency that the staff maintained the device effectively, thereby reach good anti-blocking effect.

One end fixedly connected with limiting plate 503 of connecting rod 502, limiting plate 503's surface and mounting groove 301 sliding connection, limiting plate 503's diameter is greater than the diameter of connecting rod 502 and mounting groove 301 junction, and limiting plate 503 can inject sealing plate 501's moving range to guarantee sealing plate 501 can link together with second siphunculus 3 all the time, thereby reach good anti-drop effect.

The sealing sleeve 506 is arranged on the surface of the sealing plate 501, the surface of the sealing sleeve 506 is in contact with the second through pipe 3, the sealing sleeve 506 can improve the connection sealing property between the sealing plate 501 and the second through pipe 3, the probability that the pulverized coal penetrates into the second through pipe 3 is further reduced, and therefore the effect of improving the sealing property is achieved.

As shown in fig. 3, the opposite side fixedly connected with spring 504 of limiting plate 503 and mounting groove 301, the surface of connecting rod 502 is located to spring 504 cover, after the spraying of dust removal gas, closing plate 501 loses the impact force of dust removal gas this moment, and spring 504 loses the resistance this moment, and spring 504 just can push back limiting plate 503 fast, and limiting plate 503 passes through connecting rod 502 and drives the port of closing plate 501 quick seal second siphunculus 3, need not staff's manual regulation to reach good from restoring to the throne effect.

The equal fixedly connected with magnet 505 of the inner wall one side of mounting groove 301 and the one end of limiting plate 503, two magnets 505 adsorb mutually, and when two magnets 505 adsorb together, magnet 505 can increase the joint strength of closing plate 501 and second siphunculus 3 port to reduce the probability that closing plate 501 rocked.

As shown in fig. 4, the dust removing mechanism 6 includes a connecting pipe 601, the connecting pipe 601 is connected to the surface of the first through pipe 1 on one side, the lower end of the connecting pipe 601 is connected to a transit box 602, the surface of the transit box 602 is provided with an air guiding opening 603 distributed annularly, the inner wall of the air guiding opening 603 is fixedly connected to sealing elastic pieces 605 distributed annularly, two adjacent sealing elastic pieces 605 are in contact, after the connecting pipe 601 guides the dedusting gas into the transit box 602, the dedusting gas blows off the pulverized coal in the designated range through the air guide opening 603 to expand the dedusting range of the device, when the dedusting gas passes through the air guide opening 603, the dedusting gas can burst the sealing elastic sheet 605, and after the dedusting gas is completely sprayed, at this time, the sealing elastic sheet 605 loses resistance, and the sealing elastic sheet 605 can reset itself and is matched with the adjacent sealing elastic sheet 605 to seal the air guide opening 603, so that the probability that the pulverized coal enters the interior of the transit box 602 through the air guide opening 603 is reduced.

The inner bottom wall of the transit box 602 is fixedly connected with the blocking block 604, the upper end of the blocking block 604 is spherical, when dust removing gas rushes to the surface of the blocking block 604, the dust removing gas is blocked by the blocking block 604, and under the action of the rushing force, the dust removing gas is divided into a plurality of strands, so that each air guide opening 603 can uniformly give out air, and a good shunting effect is achieved.

When the dust removal device is used, after dust removal gas is guided to the inside of the second pipe 3 by the gas splitter 2, the dust removal gas rushes the sealing plate 501 open, so that the sealing plate 501 compresses the spring 504 and drives the magnet 505 at one side to separate from the other magnet 505, at the moment, the dust removal gas can normally spray out the second pipe 3 and blow away surrounding coal dust, after the dust removal gas is sprayed out, the sealing plate 501 loses the impact force of the dust removal gas, at the moment, the spring 504 loses resistance, the spring 504 can quickly push back the limiting plate 503, the limiting plate 503 drives the sealing plate 501 to quickly seal the port of the second pipe 3 through the connecting rod 502, the coal dust which does not need to worry from the outside enters the inside of the second pipe 3, and the second pipe 3 or the gas splitter 2 is blocked, the frequency of maintaining the device by workers is effectively reduced, and a good anti-blocking effect is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a shell tablet soot blower for coal gasification device, includes that quantity is first siphunculus (1) of four, its characterized in that: the gas distributor is characterized in that a gas splitter (2) is installed inside the first through pipe (1), the surface of the first through pipe (1) is communicated with second through pipes (3) which are uniformly distributed and communicated with the gas splitter (2), a first blocking mechanism (4) is installed at one end of the first through pipe (1), second blocking mechanisms (5) are installed at two ends of each second through pipe (3), the first blocking mechanism (4) and the second blocking mechanisms (5) are identical in structure, and a dust removing mechanism (6) is installed on the surface of the first through pipe (1) on one side;

second separation mechanism (5) include closing plate (501), closing plate (501) sliding connection is in the surface of second siphunculus (3), mounting groove (301) that are cyclic annular distribution are seted up at second siphunculus (3) both ends, the one end fixedly connected with connecting rod (502) of closing plate (501), the one end of connecting rod (502) runs through to the inside of mounting groove (301).

2. The soot blower for a shell coal gasification device according to claim 1, wherein: one end fixedly connected with limiting plate (503) of connecting rod (502), the surface and mounting groove (301) sliding connection of limiting plate (503), the diameter of limiting plate (503) is greater than the diameter of connecting rod (502) and mounting groove (301) junction.

3. The soot blower for a shell coal gasification device according to claim 2, wherein: the limiting plate (503) is fixedly connected with a spring (504) on the opposite side of the mounting groove (301), and the spring (504) is sleeved on the surface of the connecting rod (502).

4. The soot blower for a shell coal gasification device according to claim 2, wherein: the equal fixedly connected with magnet (505) of inner wall one side of mounting groove (301) and the one end of limiting plate (503), two magnet (505) adsorb mutually.

5. The soot blower for a shell coal gasification device according to claim 1, wherein: the surface of the sealing plate (501) is provided with a sealing sleeve (506), and the surface of the sealing sleeve (506) is in contact with the second through pipe (3).

6. The soot blower for a shell coal gasification device according to claim 1, wherein: the dust removal mechanism (6) comprises a connecting pipe (601), the connecting pipe (601) is communicated with the surface of the first through pipe (1) on one side, the lower end of the connecting pipe (601) is communicated with a transit box (602), an air guide opening (603) which is annularly distributed is formed in the surface of the transit box (602), the inner wall of the air guide opening (603) is fixedly connected with sealing elastic pieces (605) which are annularly distributed, and two adjacent sealing elastic pieces (605) are in contact with each other.

7. The soot blower for a shell coal gasification device according to claim 6, wherein: the inner bottom wall of the transit box (602) is fixedly connected with a block (604), and the upper end of the block (604) is spherical.