CN212713611U - Blast furnace gas generator set with gas pretreatment device - Google Patents
Blast furnace gas generator set with gas pretreatment device Download PDFInfo
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- CN212713611U CN212713611U CN202021561294.2U CN202021561294U CN212713611U CN 212713611 U CN212713611 U CN 212713611U CN 202021561294 U CN202021561294 U CN 202021561294U CN 212713611 U CN212713611 U CN 212713611U
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Abstract
The utility model discloses a blast furnace gas generator set with a gas pretreatment device, which comprises a gas pretreatment device and a generator set which are sequentially connected with a blast furnace through pipelines, and comprises a first dust removal device, a second dust removal device and a dehumidification device which are sequentially connected through pipelines; the dehumidifying device comprises a dehumidifying box, a through mounting hole is formed in the top of the dehumidifying box, a mounting frame matched with the dehumidifying box is arranged in the mounting hole, a driving mechanism is arranged below the dehumidifying box and is in transmission connection with the mounting frame, the mounting frame is pushed to be arranged in the mounting hole in a sliding mode, the mounting frame is provided with two positioning holes for placing hygroscopic cotton, one positioning hole is located inside the dehumidifying box, and the other positioning hole is located outside the dehumidifying box; the utility model discloses with blast furnace gas through first dust collector, second dust collector and dehydrating unit, carried out effectual preliminary treatment to blast furnace gas, effectively got rid of moisture and impurity in the blast furnace gas, avoided the decompression valves inefficacy, guaranteed generating set's normal operating.
Description
Technical Field
The utility model relates to a coal gas power generation technical field especially relates to a blast furnace gas generating set with coal gas preprocessing device.
Background
The dust content of the gas discharged from the top of the blast furnace is 10-40 g/m3, and if dust removal and cleaning are not carried out, the gas has no use value, because a large amount of dust-containing gas blocks lattice bricks of a chemical coke oven combustion chamber, lattice bricks of a blast furnace hot blast stove regenerator and burners of a steel mill heating furnace when being combusted, and simultaneously causes pipeline blockage and influences production in the long-distance transportation process, the dust content of the gas must be reduced to 10mg/m 3.
The blast furnace gas generator set has higher requirements on gas characteristics, and if the gas contains more moisture and impurities, the gas enters the pressure reducing valve on the premise of no dehumidification, a large amount of water and gas can be brought into the pressure reducing valve, so that the inner core of the pressure reducing valve can be corroded for a long time, the pressure reducing valve fails, and gas leakage is caused; generally, the dehumidification unit only absorbs moisture in the coal gas by the moisture absorption paper, so the dehumidification effect is poor, the replacement operation of the moisture absorption paper is inconvenient, the cost and the workload of replacing spare parts are greatly increased, the working efficiency is low, and a large-flow high-efficiency coal gas compressor is needed due to low heat value of blast furnace coal gas, and dust is removed before the blast furnace coal gas enters the coal gas compressor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blast furnace gas generating set with coal gas preprocessing device to above-mentioned prior art not enough.
In order to solve the above problems, the utility model adopts the following technical proposal:
a blast furnace gas generator set with a gas pretreatment device comprises the gas pretreatment device and a generator set which are sequentially connected with a blast furnace through pipelines, wherein the gas pretreatment device comprises a first dust removal device, a second dust removal device and a dehumidification device which are sequentially connected through pipelines; the dehydrating unit is including dehumidifying the case, dehumidifying the roof portion and seted up the installing port that link up, be provided with the mounting bracket of looks adaptation in the installing port, dehumidifying the below of case and being provided with actuating mechanism, actuating mechanism with the mounting bracket transmission is connected, promotes the mounting bracket slide set up in the installing port, the mounting bracket is provided with two location mouths of placing the cotton that absorbs moisture, one the location mouth is located inside dehumidifying the incasement, another the location mouth is located dehumidifying the incasement portion.
Furthermore, each locating hole is detachably connected with two porous fixing plates, and the two porous fixing plates are located on two sides of the absorbent cotton and used for fixing the absorbent cotton.
Furthermore, a first sealing gasket matched with the mounting opening is arranged on the mounting frame.
Furthermore, a mounting groove is formed in the side wall of the mounting opening, a plurality of spring holes are evenly formed in the mounting groove, a jacking spring is arranged in each spring hole, one end of each jacking spring is abutted to the bottom wall of each spring hole, a second sealing gasket matched with the mounting groove is arranged at the other end of each jacking spring, and the first sealing gasket and the second sealing gasket are matched and sealed.
Further, the first dust removal device is one or two of a gravity dust remover and a bag-type dust remover.
Furthermore, the second dust collector comprises an atomization spray box, a spray pipe is arranged on the inner top wall of the atomization spray box, a plurality of atomization spray heads are arranged on the spray pipe, and the water inlet end of the spray pipe penetrates out of the top plate of the atomization spray box and then is connected with the high-pressure water tank.
Furthermore, the atomization spraying box is internally provided with two or more porous filter plates, and the air holes in the adjacent porous filter plates are arranged in a staggered manner.
Furthermore, the bottom plate of the atomization spraying box is inclined towards one side, a drain pipe is arranged below the lower end of the bottom plate of the atomization spraying box, and a drain valve is arranged on the drain pipe.
Furthermore, one end of the first dust removal device is provided with a blast furnace gas inlet pipe, the other end of the first dust removal device is connected with the second dust removal device through a first pipeline, the second dust removal device is connected with the dehumidification device through a second pipeline, the dehumidification device is provided with a blast furnace gas exhaust pipe, the blast furnace gas inlet pipe is provided with a first control valve, the first pipeline is provided with a second control valve, the second pipeline is provided with a third control valve, and the blast furnace gas exhaust pipe is provided with a fourth control valve.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model is provided with a first dust removal device to carry out rough treatment on the blast furnace gas, and a large amount of dust in the gas is rapidly removed; the second dust removing device adopts atomization spraying and passes through the porous filter plate, so that dust impurities and atomized water are quickly condensed and dripped, less waste water is generated, and the waste water treatment cost is reduced; the dehumidifying device pushes the mounting frame to move in the dehumidifying box through the driving mechanism, so that the moisture absorption cloth can be replaced quickly, the structure is simple, the operation is convenient, and the working efficiency is improved;
the utility model discloses with blast furnace gas through first dust collector, second dust collector and dehydrating unit, carried out effectual preliminary treatment to blast furnace gas, effectively got rid of moisture and impurity in the blast furnace gas, avoided the decompression valves inefficacy, guaranteed generating set's normal operating.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a dehumidifier of the present invention;
FIG. 3 is a schematic cross-sectional view of a dehumidifier of the present invention;
FIG. 4 is a schematic view of the structure of the dehumidification box of the present invention;
fig. 5 is a schematic structural view of the mounting frame of the present invention;
fig. 6 is a schematic structural view of the middle spray box of the present invention.
In the figure: 1. a dehumidification box; 2. an installation port; 3. a drive mechanism; 4. a mounting frame; 5. moisture absorption cotton; 6. positioning the opening; 7. a porous fixing plate; 8. a first sealing gasket; 9. mounting grooves; 10. a spring hole; 11. the spring is tightly propped; 12. a second sealing gasket; 13. a first dust removing device; 14. an atomizing spray box; 15. a shower pipe; 16. an atomizing spray header; 17. a high pressure water tank; 18. a porous filter plate; 19. a blow-off pipe; 20. a blowoff valve; 21. a blast furnace gas inlet pipe; 22. a first conduit; 23. a second conduit; 24. blast furnace gas exhaust pipes; 25. a first control valve; 26. a second control valve; 27. a third control valve; 28. a fourth control valve; 29. a blast furnace; 30. and (4) a generator set.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-6, the blast furnace gas generator set with a gas pretreatment device of the present invention comprises a gas pretreatment device and a generator set 30 sequentially connected with a blast furnace 29 through a pipeline, wherein the gas pretreatment device comprises a first dust removal device 13, a second dust removal device and a dehumidification device sequentially connected through a pipeline; one end of the first dust removing device 13 is provided with a blast furnace gas inlet pipe 21, the other end of the first dust removing device 13 is connected with a second dust removing device through a first pipeline 22, the second dust removing device is connected with a dehumidifying device through a second pipeline 23, the dehumidifying device is provided with a blast furnace gas exhaust pipe 24, the blast furnace gas inlet pipe 21 is provided with a first control valve 25, the first pipeline 22 is provided with a second control valve 26, the second pipeline 23 is provided with a third control valve 27, and the blast furnace gas exhaust pipe 24 is provided with a fourth control valve 28. The first control valve 25, the second control valve 26, the third control valve 27, and the fourth control valve 28 are solenoid valves.
The first dust removing device 13 is one or two of a gravity dust remover and a bag-type dust remover, and can be used for rough dust removing treatment to quickly remove a large amount of dust in blast furnace gas.
Further, the second dust collector includes atomizing spray box 14, be provided with shower 15 on atomizing spray box 14's the interior roof, be provided with a plurality of atomizing shower heads 16 on shower 15, shower 15's the end of intaking is worn out be connected with high-pressure water tank 17 behind atomizing spray box 14's the roof. Two or more porous filter plates 18 are arranged in the atomization spraying box 14, the vent holes in the adjacent porous filter plates 18 are arranged in a staggered mode, the vent holes are horn-shaped, the inlet end is large, the outlet end is small, and dust in atomized water and coal gas can be condensed and drip at the positions of the porous filter plates 18. The bottom plate of the atomization spraying box 14 is inclined towards one side, a drain pipe 19 is arranged below the lower end of the bottom plate of the atomization spraying box 14, a drain valve 20 is arranged on the drain pipe 19, so that sewage can be conveniently discharged, the atomization spraying is carried out, less waste water is generated, the sewage treatment cost is reduced, and the environment protection is facilitated.
The dehumidifying device comprises a dehumidifying box 1, a through mounting port 2 is formed in the top of the dehumidifying box 1, a mounting frame 4 matched with the dehumidifying box is arranged in the mounting port 2, a driving mechanism 3 is arranged below the dehumidifying box 1, the driving mechanism 3 is in transmission connection with the mounting frame 4 and pushes the mounting frame 4 to be arranged in the mounting port 2 in a sliding mode, the driving mechanism can be an electric push rod or a hydraulic oil cylinder, when the electric push rod is used, the end portion of the push rod of the electric push rod is connected with the end portion of the mounting frame, when the hydraulic oil cylinder is used, the piston end of the hydraulic oil cylinder is connected with the end portion of the mounting frame, the mounting frame 4 is provided with two positioning ports 6 for placing hygroscopic cotton 5, one positioning port 6 is located inside the dehumidifying box 1, and the other positioning port 6 is located outside the dehumidifying box 1. When moisture absorption cotton 5 need be changed, close the second control valve, start actuating mechanism 3, make mounting bracket 4 remove, two location mouth 6 shift positions, move the outside moisture absorption cotton of dehumidification case to inside, and the moisture absorption cotton that will change moves the dehumidification case outside, is convenient for change the moisture absorption cotton, and simple structure easily operates, and degree of automation is high, improves work efficiency to the moisture absorption cotton can be dried and recycle, reduction in production cost.
Furthermore, each positioning opening 6 is detachably connected with two porous fixing plates 7, and the two porous fixing plates 7 are positioned on two sides of the absorbent cotton 5 and used for fixing the absorbent cotton 5.
Further, a first sealing gasket 8 matched with the mounting port 2 is arranged on the mounting frame 4. The side wall of the mounting opening 2 is provided with a mounting groove 9, a plurality of spring holes 10 are evenly formed in the mounting groove 9, a tightening spring 11 is arranged in each spring hole 10, one end of each tightening spring 11 is abutted to the bottom wall of each spring hole 10, the other end of each tightening spring 11 is provided with a second sealing gasket 12 matched with the mounting groove 9, and the first sealing gasket 8 and the second sealing gasket 12 are sealed in a matched mode to prevent gas leakage.
Furthermore, a gas detecting head can be arranged on the box body of the dehumidifying box, and an alarm can be given when the gas leakage exceeds a certain concentration.
Furthermore, for the safety, can also prevent that coal gas from revealing at a seal box of whole dehydrating unit's externally mounted, when regularly changing the moisture-absorbing cotton, close the second control valve earlier, open the seal box again, start actuating mechanism, remove the mounting bracket, change the moisture-absorbing cotton.
Further, the first dust removing device 13 is connected with an exhaust port of the blast furnace through a gas inlet pipe 21 of the blast furnace, and a buffer tank for stabilizing pressure can be arranged between the first dust removing device 13 and the blast furnace. The dehumidification device is connected with the pressure reducing valve bank through a blast furnace gas exhaust pipe 24.
The utility model discloses work flow:
the blast furnace gas coming out of the blast furnace 29 is settled by the gravity dust collector of the first dust collector, then enters the second dust collector, is sprayed by the atomizing spray header to remove dust and impurities in the blast furnace gas again, enters the dehumidifier after being sprayed by the atomizing spray, enters the pressure reducing valve group from the blast furnace gas exhaust pipe after moisture in the gas is removed by the hygroscopic cotton, and enters the generator set 30 through the pressure reducing valve group.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (9)
1. A blast furnace gas generator set with a gas pretreatment device comprises the gas pretreatment device and a generator set (30) which are sequentially connected with a blast furnace (29) through pipelines, and is characterized in that the gas pretreatment device comprises a first dust removal device (13), a second dust removal device and a dehumidification device which are sequentially connected through pipelines; the dehumidifying device comprises a dehumidifying box (1), a through mounting port (2) is formed in the top of the dehumidifying box (1), a mounting frame (4) matched with the dehumidifying box is arranged in the mounting port (2), a driving mechanism (3) is arranged below the dehumidifying box (1), the driving mechanism (3) is connected with the mounting frame (4) in a transmission mode, the mounting frame (4) is arranged in the mounting port (2) in a sliding mode, two positioning ports (6) for placing hygroscopic cotton (5) are arranged on the mounting frame (4), one positioning port (6) is located inside the dehumidifying box (1), and the other positioning port (6) is located outside the dehumidifying box (1).
2. The blast furnace gas generator set with the gas pretreatment device according to claim 1, wherein two porous fixing plates (7) are detachably connected to each positioning opening (6), and the two porous fixing plates (7) are positioned at two sides of the moisture absorption cotton (5) and used for fixing the moisture absorption cotton (5).
3. The blast furnace gas generator set with the gas pretreatment device according to claim 1, wherein a first sealing gasket (8) matched with the mounting port (2) is arranged on the mounting frame (4).
4. The blast furnace gas generator set with the gas pretreatment device according to claim 3, wherein a mounting groove (9) is formed in the side wall of the mounting opening (2), a plurality of spring holes (10) are uniformly formed in the mounting groove (9), a jacking spring (11) is arranged in each spring hole (10), one end of each jacking spring (11) is abutted against the bottom wall of each spring hole (10), a second sealing gasket (12) matched with the mounting groove (9) is arranged at the other end of each jacking spring (11), and the first sealing gasket (8) and the second sealing gasket (12) are sealed in a matched mode.
5. The blast furnace gas power generation set with a gas pretreatment device according to claim 1, wherein the first dust removal device (13) is one or both of a gravity dust remover and a bag-type dust remover.
6. The blast furnace gas generator set with the gas pretreatment device according to claim 1, wherein the second dust removal device comprises an atomization spray box (14), a spray pipe (15) is arranged on the inner top wall of the atomization spray box (14), a plurality of atomization spray headers (16) are arranged on the spray pipe (15), and the water inlet end of the spray pipe (15) penetrates through the top plate of the atomization spray box (14) and then is connected with a high-pressure water tank (17).
7. The blast furnace gas generator set with the gas pretreatment device according to claim 6, wherein two or more perforated filter plates (18) are arranged in the atomization spray box (14), and the ventilation holes on the adjacent perforated filter plates (18) are arranged in a staggered manner.
8. The blast furnace gas generator set with the gas pretreatment device according to claim 6, wherein the bottom plate of the atomization spray box (14) is arranged obliquely to one side, a drain pipe (19) is arranged below the lower end of the bottom plate of the atomization spray box (14), and a drain valve (20) is arranged on the drain pipe (19).
9. The blast furnace gas generator set with the gas pretreatment device according to claim 1, wherein one end of the first dust removal device (13) is provided with a blast furnace gas inlet pipe (21), the other end of the first dust removal device (13) is connected with a second dust removal device through a first pipeline (22), the second dust removal device is connected with a dehumidification device through a second pipeline (23), the dehumidification device is provided with a blast furnace gas exhaust pipe (24), the blast furnace gas inlet pipe (21) is provided with a first control valve (25), the first pipeline (22) is provided with a second control valve (26), the second pipeline (23) is provided with a third control valve (27), and the blast furnace gas exhaust pipe (24) is provided with a fourth control valve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561294.2U CN212713611U (en) | 2020-07-31 | 2020-07-31 | Blast furnace gas generator set with gas pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561294.2U CN212713611U (en) | 2020-07-31 | 2020-07-31 | Blast furnace gas generator set with gas pretreatment device |
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| Publication Number | Publication Date |
|---|---|
| CN212713611U true CN212713611U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021561294.2U Active CN212713611U (en) | 2020-07-31 | 2020-07-31 | Blast furnace gas generator set with gas pretreatment device |
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|---|---|
| CN (1) | CN212713611U (en) |
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- 2020-07-31 CN CN202021561294.2U patent/CN212713611U/en active Active
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