CN106402908B

CN106402908B - A burner on-line clearing device

Info

Publication number: CN106402908B
Application number: CN201610873732.0A
Authority: CN
Inventors: 张永福; 李通; 王仲明; 吴荣荣; 江世茂
Original assignee: Maanshan Iron and Steel Co Ltd
Current assignee: Maanshan Iron and Steel Co Ltd
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2019-05-10
Anticipated expiration: 2036-09-30
Also published as: CN106402908A

Abstract

The present invention provides a kind of online blockage-clearing device of burner applied to burner accessory technical field, along the one week multiple spinning disk (3) of arrangement in central cylinder (2) surface in the central cylinder (2) of the burner, jet pipe (5) one end of the block clearing component (4) of the online blockage-clearing device of burner is installed by nozzle (6), nozzle (6) is configured to the structure of combination root (7) position of alignment spinning disk (3) and central cylinder (2), jet pipe (5) other end is connect with Nitrogen source gases (8), jet pipe (5) other end is connect with water source (9) simultaneously, the online blockage-clearing device of burner of the invention, structure is simple, it can be in the state that burner continues working, the comburant black dirt of the combination root accumulation of central cylinder in burner and spinning disk is purged online, burner is effectively cleaned Spinning disk blocking, while burner operation efficiency is improved, maintain combustion stability.

Description

A kind of online blockage-clearing device of burner

Technical field

The invention belongs to burner accessory technical fields, are to be related to a kind of online block clearing of burner more specifically Device.

Background technique

Double-cyclone gas burner at present, due to the relatively simple structure, fuel gas and air mixability are higher, kindling Stablize, power is big, high combustion efficiency, therefore is used in clean burn gas boiler and blending gas boiler extensively, these fuel Mainly have: blast furnace gas, coke-stove gas and coal gas of converter.Since, this pattern burner is using double-cyclone, so, if Meter resistance is bigger than DC burner, and spinning disk angle and spinning disk installation site are relatively fixed, and user can not adjust Whole, therefore, such burner adapts to burning and compares clean gas fuel.Just because of this, burner in the prior art is firing When burning unclean fuel, there are following some problems, are mainly shown as: first is that being also easy to when dust content of gas and big water content Coal gas sidespin flow clogging, boiler output decline occurs, boiler output decline also will affect boiler safety and stablize when serious Operation；Second is that coal gas sidespin flow is easy to burn out, continuous operating time is restricted.

Summary of the invention

The technical problems to be solved by the present invention are: providing, a kind of structure is simple, can be in the shape that burner continues working Under state, the comburant black dirt of the combination root accumulation of central cylinder in burner and spinning disk is purged online, cleans combustion The blocking of burner spinning disk, while solving the problems, such as that burner needs shutdown purge, burner operation efficiency is improved, combustion is maintained The online blockage-clearing device of the burner of the combustion stability of burner.

Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows:

The present invention is a kind of online blockage-clearing device of burner, and the burner includes burner shell, burner shell Interior setting central cylinder, along the one week multiple spinning disk of arrangement in central cylinder surface in central cylinder, the burner is clear online Block apparatus includes block clearing component, and block clearing component includes jet pipe, and nozzle is installed in described jet pipe one end, and nozzle is configured to be aligned The structure of spinning disk and the combination root position of central cylinder, the jet pipe other end are connect with Nitrogen source gases, and the jet pipe other end is simultaneously It is connect with water source.

The jet pipe includes annular main pipe and delivery pipe, and annular main pipe is sleeved on central cylinder surface, in annular main pipe Along one week multiple nozzle of setting of annular main pipe, each nozzle is arranged to extend to the combination root of a spinning disk and central cylinder Structure.

The annular main pipe is fixedly connected by mounting bracket with central cylinder, and delivery pipe one end and annular main pipe connect Logical, delivery pipe other end setting delivery branch pipe I and delivery branch pipe II, delivery branch pipe I are connect with Nitrogen source gases, delivery branch pipe II and Water source connects, and setting gas source is opened and closed valve on Nitrogen source gases, and setting water source is opened and closed valve on water source.

The annular main pipe is formed by connecting by two in the main pipe branch pipe of " C " font, and each main pipe branch pipe two ends are equal For enclosed construction, multiple nozzles are respectively set on each main pipe branch pipe, each main pipe branch pipe is connected to a delivery pipe, each conveying Pipe one end is connect with a main pipe branch pipe, and each delivery pipe other end is connect by delivery branch pipe I with Nitrogen source gases, each conveying The pipe other end passes through delivery branch pipe II simultaneously and connect with water source.

The nozzle includes nozzle body, and nozzle body one end is connect with annular main pipe, the nozzle body other end and spray Head connects, and multiple spray orifices are arranged on spray head.

The pressure of the purge gas of the Nitrogen source gases is set between 1.0Mpa-2.0Mpa；The hydraulic pressure pressure at water source It is set as between 0.5Mpa-0.8Mpa；The water temperature at water source is set between 35 DEG C -45 DEG C.

Using technical solution of the present invention, can obtain it is below the utility model has the advantages that

The online blockage-clearing device of burner of the present invention, for the combination root position for removing spinning disk and central cylinder Block clearing component is arranged, in this way, can work by blockage-clearing device, periodically or non-periodically to rotation in comburant black dirt in burner The comburant black dirt of the combination root position of flow and central cylinder carries out purging removing, due to blowing medium be nitrogen and water, In purging, it can choose nitrogen or a kind of medium of water purged, also can according to need, nitrogen and water two media alternating Purging.Due to comburant black dirt is deposited on the density in conjunction with root will not be very high, it is more open, therefore, as long as to blowing medium Select appropriate pressure, it will be able to which the convenient and efficient comburant black dirt to accumulation carries out purging removing.Using combustion of the present invention The online blockage-clearing device of burner can be carried out purging online and be removed, and therefore, burner can work reliably and with long-term, thus ensuring While burner performance is stablized, the cycle of operation of burner can be extended, cut operating costs and maintenance cost.Institute of the present invention The online blockage-clearing device of the burner stated, structure is simple, low manufacture cost, can be in the state that burner continues working, to combustion The comburant black dirt that the combination root of central cylinder and spinning disk is accumulated in burner is purged online, to effectively clean combustion The blocking of burner spinning disk, while solving the problems, such as that burner needs shutdown purge, burner operation efficiency is improved, combustion is maintained The combustion stability of burner.

Detailed description of the invention

Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:

Fig. 1 is the structural schematic diagram of the online blockage-clearing device of burner of the present invention；

Fig. 2 is the central cylinder of the online blockage-clearing device of burner described in Fig. 1 and the attachment structure schematic diagram of annular main pipe；

Attached drawing acceptance of the bid note is respectively as follows: 1, burner shell；2, central cylinder；3, spinning disk；4, block clearing component；5, jet pipe； 6, nozzle；7, in conjunction with root；8, Nitrogen source gases；9, water source；10, annular main pipe；11, delivery pipe；12, delivery branch pipe I；13, defeated Send branch pipe II；14, gas source is opened and closed valve；15, water source is opened and closed valve；16, main pipe branch pipe；17, nozzle body；18, spray head；19, Spray orifice.

Specific embodiment

Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further Detailed description:

As shown in attached drawing 1, attached drawing 2, the present invention is a kind of online blockage-clearing device of burner, and the burner includes burning Central cylinder 2 is set in device shell 1, burner shell 1, arranges multiple eddy flows within one week along 2 surface of central cylinder in central cylinder 2 Piece 3, the online blockage-clearing device of the burner include block clearing component 4, and block clearing component 4 includes jet pipe 5, described 5 one end of jet pipe Nozzle 6 is installed, nozzle 6 is configured to the structure of 7 position of combination root of alignment spinning disk 3 and central cylinder 2, and jet pipe 5 is another One end is connect with Nitrogen source gases 8, and 5 other end of jet pipe is connect with water source 9 simultaneously.Above structure setting, to remove spinning disk 3 in Block clearing component is arranged, in this way, can fill by block clearing in the comburant black dirt of 7 position of combination root of heart cylinder 2 in burner Work is set, periodically or non-periodically the comburant black dirt of 7 position of combination root of spinning disk 3 and central cylinder 2 purge clear It removes, it, can also root since blowing medium is that nitrogen and water can choose nitrogen or a kind of medium of water purged in purging According to needs, nitrogen and water two media are alternately purged.Due to comburant black dirt is deposited on the density in conjunction with root will not be very high, than Loosely, therefore, as long as selecting appropriate pressure to blowing medium, it will be able to which the convenient and efficient comburant black dirt to accumulation is blown It clears away and removes.Using the online blockage-clearing device of burner of the present invention, it can carry out purging online and remove, therefore, burner can To work reliably and with long-term, so that the cycle of operation of burner can be extended while ensuring that burner performance is stablized, fortune is reduced Seek cost and maintenance cost.The online blockage-clearing device of burner of the present invention, structure is simple, can continue working in burner In the state of, the comburant black dirt of the combination root accumulation of central cylinder in burner and spinning disk is purged online, clearly The blocking of burner spinning disk is swept, while solving the problems, such as that burner needs shutdown purge, improves burner operation efficiency, is kept The combustion stability of burner.

The jet pipe 5 includes that annular main pipe 10 and delivery pipe 11, annular main pipe 10 are sleeved on 2 surface of central cylinder, ring Along the annular main pipe 10 1 weeks multiple nozzles 6 of setting in shape main pipe 10, each nozzle 6 is arranged to extend to a spinning disk 3 in The structure of the combination root 7 of heart cylinder 2.Such structure, annular main pipe are connected to multiple nozzles, in blockage-clearing device work, Each nozzle is responsible for carrying out purging removing to the combination root of a spinning disk and central cylinder, effectively increases blockage-clearing device Block clearing efficiency and block clearing effect.

The annular main pipe 10 is fixedly connected by mounting bracket with central cylinder 2, and 11 one end of delivery pipe and annular are female Pipe 10 is connected to, and delivery branch pipe I 12 and delivery branch pipe II 13 is arranged in 11 other end of delivery pipe, and delivery branch pipe I 12 and Nitrogen source gases 8 connect It connects, delivery branch pipe II 13 is connect with water source 9, and gas source is arranged on Nitrogen source gases 8 and is opened and closed valve 14, setting water source is opened and closed on water source 9 Valve 15.Such structure, annular main pipe is connected to Nitrogen source gases and water source simultaneously, when needing nitrogen to purge, water source opening and closing Valve is closed, Nitrogen source gases feeding medium into annular main pipe, is purged in conjunction with root, and is worked as and needed to be purged with water When, water source is opened and closed valve and opens, and nitrogen is opened and closed valve and closes, and water source provides medium into annular main pipe, blows engaging portion It sweeps, being used alternatingly for nitrogen and water can effectively improve the purging effect to black dirt.

The annular main pipe 10 is formed by connecting by two in the main pipe branch pipe 16 of " C " font, 16 liang of each main pipe branch pipe End is enclosed construction, and multiple nozzles 6, each main pipe branch pipe 16 and a delivery pipe 11 are respectively arranged on each main pipe branch pipe 16 Connection, each 11 one end of delivery pipe connect with a main pipe branch pipe 16, each 11 other end of delivery pipe pass through delivery branch pipe I 12 and Nitrogen source gases 8 connect, and each 11 other end of delivery pipe passes through delivery branch pipe II 13 simultaneously and connect with water source 9.In view of nitrogen is blown It is the coal gas directly acted in burner when sweeping, therefore multiple nozzles is divided into two branches, each branch is defeated by one It send pipe to be connected to respectively with Nitrogen source gases and water source, when purging in this way, gas-fired is influenced opposite to reduce.

The nozzle 6 includes nozzle body 17, and 17 one end of nozzle body is connect with annular main pipe 10, and nozzle body 17 is another One end is connect with spray head 18, and multiple spray orifices 19 are arranged on spray head 18.Spray orifice size setting, according to burner size and to purging Power size requirements determine that the spray orifice of nozzle is oversized, although purging effect is good, blowing medium consumption is big, to burner Operation harm is also bigger, and jet size is too small, and purging effect is not achieved.The media such as nitrogen or water are sprayed by nozzle, it can be fast Victory carries out purging removing to black dirt.

The pressure of the purge gas of the Nitrogen source gases 8 is set between 1.0Mpa-2.0Mpa；The hydraulic pressure pressure at water source 9 Power is set as between 0.5Mpa-0.8Mpa；The water temperature at water source 9 is set between 35 DEG C -45 DEG C.The setting of such pressure and Temperature setting can either effectively realize that the purging of black dirt is removed, and will not impact to the coal gas in burner, it is ensured that burning Device can work at steady-state always.

Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.

Claims

1. A burner on-line blocking removal device, the burner comprises a burner casing (1), a central cylinder (2) is arranged in the burner casing (1), and the upper edge of the central cylinder (2) is in the center A plurality of swirling fins (3) are arranged around the surface of the cylinder body (2), and it is characterized in that: the on-line blocking removal device of the burner comprises a blocking clearing component (4), and the blocking clearing component (4) comprises a nozzle (5) , the nozzle (6) is installed at one end of the nozzle (5), and the nozzle (6) is arranged to be able to align the position of the combined root (7) of the swirl sheet (3) and the central cylinder (2). (5) The other end is connected with the nitrogen gas source (8), and the other end of the nozzle (5) is connected with the water source (9) at the same time; nitrogen and water are alternately purged;

The nozzle (5) includes an annular main pipe (10) and a conveying pipe (11), the annular main pipe (10) is sleeved on the surface of the central cylinder (2), and the annular main pipe (10) is along the annular main pipe (10). 10) A plurality of nozzles (6) are arranged in a circle, and each nozzle (6) is arranged to extend to the structure of the combined root (7) of a swirl piece (3) and the central cylinder (2);

The annular main pipe (10) is fixedly connected with the central cylinder (2) through the mounting bracket, one end of the conveying pipe (11) is communicated with the annular main pipe (10), and the other end of the conveying pipe (11) is provided with a conveying branch pipe I (12). ) and the conveying branch pipe II (13), the conveying branch pipe I (12) is connected with the nitrogen gas source (8), the conveying branch pipe II (13) is connected with the water source (9), and the nitrogen gas source (8) is provided with a gas source opening and closing valve (14), a water source opening and closing valve (15) is set on the water source (9);

The annular main pipe (10) is formed by connecting two "C"-shaped main pipe branch pipes (16), and both ends of each main pipe branch pipe (16) are closed structures. 16) are provided with a plurality of nozzles (6), each main pipe branch pipe (16) is communicated with a conveying pipe (11), one end of each conveying pipe (11) is connected with a main pipe branch pipe (16), and each conveying pipe (11) is connected with a main pipe branch pipe (16). The other end of the pipe (11) is connected with the nitrogen gas source (8) through the conveying branch pipe I (12), and the other end of each conveying pipe (11) is simultaneously connected with the water source (9) through the conveying branch pipe II (13);

The pressure of the purging gas of the nitrogen gas source (8) is set between 1.0MP a-2.0MPa a; the water pressure of the water source (9) is set between 0.5MP a-0.8MPa a; the water source The water temperature of (9) is set between 35°C and 45°C.

2. The burner on-line blocking removal device according to claim 1, characterized in that: the nozzle (6) comprises a nozzle body (17), one end of the nozzle body (17) is connected to the annular main pipe (10), and the nozzle The other end of the main body (17) is connected with the spray head (18), and the spray head (18) is provided with a plurality of spray holes (19).