CN108843419B - Blast furnace gas power generation combustion equipment - Google Patents

Blast furnace gas power generation combustion equipment Download PDF

Info

Publication number
CN108843419B
CN108843419B CN201810699034.2A CN201810699034A CN108843419B CN 108843419 B CN108843419 B CN 108843419B CN 201810699034 A CN201810699034 A CN 201810699034A CN 108843419 B CN108843419 B CN 108843419B
Authority
CN
China
Prior art keywords
gas
pipe
combustion
steam
blast furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810699034.2A
Other languages
Chinese (zh)
Other versions
CN108843419A (en
Inventor
张菊金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tonghua Jidian Development Energy Co.,Ltd.
Tonghua thermoelectric Co., Ltd
Original Assignee
Wenzhou Shengmiao Industrial Design Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Shengmiao Industrial Design Co ltd filed Critical Wenzhou Shengmiao Industrial Design Co ltd
Priority to CN201810699034.2A priority Critical patent/CN108843419B/en
Publication of CN108843419A publication Critical patent/CN108843419A/en
Application granted granted Critical
Publication of CN108843419B publication Critical patent/CN108843419B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10Adaptations for driving, or combinations with, electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K19/00Regenerating or otherwise treating steam exhausted from steam engine plant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00Steam engine plants not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00Feeding or distributing other fuel to combustion apparatus
    • F23K5/002Gaseous fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Solid-Fuel Combustion (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a blast furnace gas power generation combustion device, wherein a combustion tank is arranged at the top of a device body, an interlayer is arranged at the inner side of the combustion tank, a smoke extraction pipe is arranged at the top end of the left side of the interlayer, a filter is arranged at the bottom end of the smoke extraction pipe, a combustion chamber is arranged at the bottom inside the combustion tank, a gas mixing chamber is arranged at the bottom end of the combustion chamber, a gas inlet is arranged at the middle part of the bottom end of the gas mixing chamber, combustion-supporting air inlets are arranged at two sides of the gas inlet, igniters are arranged at two sides of the middle part of the combustion chamber, a steam chamber is arranged at the top of the combustion chamber, a water replenishing port is arranged at the top end of the left side of the steam chamber, a backflow port is arranged at the top end of the right side of the steam chamber, a steam, sufficient air supply is ensured, and the ignition rapidity of the igniter is improved.

Description

Blast furnace gas power generation combustion equipment
Technical Field
The invention relates to the technical field of iron making, in particular to a blast furnace gas power generation combustion device.
Background
Blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process, the main components of the blast furnace gas are CO, CO2, N2, H2, CH4 and the like, if the blast furnace gas is directly discharged without treatment, the environment is polluted, the resource waste is caused, in order to improve the utilization rate of resources and respond to the call of national energy conservation and emission reduction, many steel plants begin to utilize combustion equipment to generate electricity for the blast furnace gas, most of the existing combustion equipment have simple structures, the characteristic of low heat value of the blast furnace gas is not considered, the combustion time is long, the generated energy is low, the production cost is high, in addition, most of the combustion equipment do not utilize and treat the flue gas generated by combustion, for example, a blast furnace gas power generation device with the publication number of CN104420905A, the energy-saving effect is poor, and secondary pollution is easily caused.
Therefore, there is a need to design a blast furnace gas power generation combustion apparatus to solve such problems.
Disclosure of Invention
The present invention is directed to a blast furnace gas power generation combustion facility to solve the problems of the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: a blast furnace gas power generation combustion device comprises a device body, a blast furnace gas delivery pipe, a gravity dust collector, a primary purified gas delivery pipe, a cyclone dust collector, a secondary purified gas delivery pipe, a bag-type dust collector, a clean gas header pipe, a first branch pipe, a pressure reducing valve group, a clean gas storage tank, a second branch pipe, a steam delivery pipe, a steam turbine, a generator, a steam output pipe, a condenser, a condensate pipe, a water pump, a backflow pipe, a combustion tank, support legs, a programmable program controller, an igniter, a gas inlet, a combustion-supporting air inlet, a smoke extraction pipe, a filter, a water replenishing port, a backflow port, a steam outlet, a combustion chamber, a steam chamber, a sandwich layer, a gas mixing chamber, a smoke outlet, an exhaust fan, a first filter screen, a second filter screen, a dust exhaust port, an inclined plate, a baffle plate, a gas homogenizing plate, the gravity dust collector is installed at one end of the blast furnace gas conveying pipe, the first-stage purified gas conveying pipe is fixedly connected to one end of the gravity dust collector, the cyclone dust collector is installed at one end of the first-stage purified gas conveying pipe, the second-stage purified gas conveying pipe is fixedly connected to the top end of the cyclone dust collector, the bag-type dust collector is installed at one end of the second-stage purified gas conveying pipe, the clean gas header pipe is fixedly connected to one end of the bag-type dust collector, the first branch pipe is arranged at the top end of the clean gas header pipe, the pressure reducing valve group is installed in the middle of the first branch pipe, the clean gas storage tank is installed at one end of the first branch pipe, the second branch pipe is arranged at the bottom end of the clean gas header pipe, the equipment body is installed at one end of the second branch pipe, and the, the programmable logic controller is installed on the front surface of the combustion tank, the interlayer is arranged on the inner side of the combustion tank, the smoke extraction pipe is installed on the top end of the left side of the interlayer, the filter is installed at the bottom end of the smoke extraction pipe, the first filter screen is installed at the top end inside the filter, the dust exhaust port is formed in the bottom side of the first filter screen, the second filter screen is installed at the bottom of the first filter screen, the exhaust fan is installed at the bottom of the second filter screen, the combustion chamber is arranged at the bottom inside the combustion tank, the gas mixing chamber is arranged at the bottom end of the combustion chamber, the gas homogenizing plate is installed at the top end of the gas mixing chamber, the baffle is installed on two sides inside the gas mixing chamber, the gas inlet is formed in the middle of the bottom end of the gas mixing chamber, and the combustion-supporting air inlets are formed in, the igniter is installed on two sides of the middle part of the combustion chamber, the smoke outlet is arranged on the top ends of two sides of the combustion chamber, the steam chamber is arranged on the top part of the combustion chamber, the water replenishing port is arranged on the top end of the left side of the steam chamber, the backflow port is arranged on the top end of the right side of the steam chamber, the steam outlet is arranged on the top end of the steam chamber, the steam conveying pipe is fixedly connected with one end of the steam outlet, the steam turbine is installed on one end of the steam conveying pipe, the generator is installed on one side of the steam turbine, the steam output pipe is fixedly connected with the bottom end of the steam turbine, the condenser is installed on the bottom end of the steam output pipe, the condensate pipe is fixedly connected with the bottom end of the condenser, the support legs are mounted at the bottom of the combustion tank.
Further, the programmable controller is electrically connected with the igniter and the exhaust fan.
Furthermore, the water pump is fixedly connected with the return port through the return pipe.
Furthermore, a heat insulation layer is arranged on the outer side of the interlayer.
Further, the integral structure of the gas mixing chamber is designed to be an inverted frustum.
Further, the first filter screen and the second filter screen are matched for use.
Furthermore, the bottom of first filter screen is provided with the swash plate.
Further, the adjacent baffles are designed in a spaced mode.
Furthermore, a plurality of through holes are formed in the surface of the gas homogenizing plate.
Compared with the prior art, the invention has the beneficial effects that: the blast furnace gas power generation combustion equipment has the advantages that the top end of a blast furnace is fixedly connected with a blast furnace gas conveying pipe, one end of the blast furnace gas conveying pipe is provided with a gravity dust collector, one end of the gravity dust collector is fixedly connected with a primary purified gas conveying pipe, one end of the primary purified gas conveying pipe is provided with a cyclone dust collector, the top end of the cyclone dust collector is fixedly connected with a secondary purified gas conveying pipe, one end of the secondary purified gas conveying pipe is provided with a bag-type dust collector, the gravity dust collector, the cyclone dust collector and the bag-type dust collector are matched for use, the cleaning performance of the blast furnace gas is ensured by the triple purification design, the utilization rate of the blast furnace gas is improved while the follow-up combustion is facilitated; one end of the bag-type dust collector is fixedly connected with a clean gas main pipe, a first branch pipe is arranged at the top end of the clean gas main pipe, a pressure reducing valve group is arranged in the middle of the first branch pipe, a clean gas storage tank is arranged at one end of the first branch pipe, a second branch pipe is arranged at the bottom end of the clean gas main pipe, an equipment body is arranged at one end of the second branch pipe, a combustion tank is arranged at the top of the equipment body, a programmable controller is arranged on the front side of the combustion tank, an interlayer is arranged on the inner side of the combustion tank, and a heat insulation layer is arranged on the outer side of the interlayer, so that the bag-type dust collector is simple in structure, avoids heat loss, improves the utilization rate of smoke generated by gas combustion; the top end of the left side of the interlayer is provided with the smoke extraction pipe, the bottom end of the smoke extraction pipe is provided with the filter, the top end inside the filter is provided with the first filter screen, and the bottom end of the first filter screen is provided with the inclined plate, so that the smoke extraction pipe is simple and practical, the falling of dust is accelerated, the later cleaning frequency is reduced, and the practicability of the filter is improved; the bottom side of the first filter screen is provided with a dust exhaust port, the bottom of the first filter screen is provided with the second filter screen, the first filter screen and the second filter screen are matched for use, and are cooperated with each other, so that smoke generated by gas combustion can be fully filtered, the gas filter is practical and efficient, and secondary pollution is avoided; the exhaust fan is installed at the bottom of the second filter screen, the combustion chamber is arranged at the bottom inside the combustion tank, the gas mixing chamber is arranged at the bottom end of the combustion chamber, the overall structure of the gas mixing chamber is in an inverted frustum design, the volume is gradually increased from bottom to top, the air inflow of mixed gas can be increased, sufficient air supply is ensured, and the ignition rapidness of an igniter is improved; the top end of the gas mixing chamber is provided with the gas homogenizing plate, the surface of the gas homogenizing plate is provided with a plurality of through holes, the gas homogenizing plate is reasonable in layout and uniform in distribution, gas can flow out uniformly, the gas combustion stability is improved, and the combustion effect of the combustion chamber is enhanced; the baffle plates are arranged on two sides in the gas mixing chamber, the adjacent baffle plates are designed at intervals, the baffle plates can play a certain role in blocking gas and combustion-supporting air, the flowing speed of the gas and the combustion-supporting air is reduced, the phenomena of long ignition time and unstable combustion caused by uneven gas mixing are avoided, the gas mixing chamber is simple and practical, the combustion time is saved, the combustion effect is enhanced, the working efficiency of the equipment body is improved, and the combustion cost is reduced; the middle part of the bottom end of the gas mixing chamber is provided with a gas inlet, combustion air inlets are arranged on two sides of the gas inlet, igniters are arranged on two sides of the middle part of the combustion chamber, smoke outlets are arranged on the top ends of two sides of the combustion chamber, a steam chamber is arranged on the top of the combustion chamber, a water replenishing port is arranged on the top end of the left side of the steam chamber, a backflow port is arranged on the top end of the steam chamber, a steam conveying pipe is fixedly connected with one end of each steam outlet, a steam turbine is arranged at one end of the steam conveying pipe, a generator is arranged on one side of the steam turbine, a steam output pipe is fixedly connected with the bottom end of the steam turbine, a condenser is arranged at the bottom end of the steam output pipe, a condensate, the water pump can enable water in the condensate pipe to flow back into the steam chamber again from the return port through the return pipe, the steam chamber is simple and practical, the water resource is recycled, waste is avoided, and meanwhile, the power generation cost of the equipment body is reduced; the stabilizer blade is installed to the bottom of burning jar, and the rubber pad is pasted to the bottom of stabilizer blade, and antiskid is wear-resisting, and is reliable and stable.
Drawings
FIG. 1 is a schematic diagram of a workflow configuration of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the filter of the present invention;
FIG. 5 is a schematic cross-sectional view of a gas mixing chamber of the present invention;
in the reference symbols: 1-an equipment body; 2-blast furnace; 3-blast furnace gas conveying pipe; 4-gravity dust remover; 5-first-stage purified gas conveying pipe; 6-cyclone dust collector; 7-second-stage purified gas delivery pipe; 8-bag dust collector; 9-clean gas main pipe; 10-a first manifold; 11-a pressure reducing valve bank; 12-clean gas storage tank; 13-a second branch; 14-a steam conveying pipe; 15-a steam turbine; 16-a generator; 17-a steam output pipe; 18-a condenser; 19-a condensate pipe; 20-a water pump; 21-a return pipe; 22-a combustion can; 23-a leg; 24-a programmable program controller; 25-an igniter; 26-gas inlet; 27-combustion air inlet; 28-smoke extraction pipe; 29-a filter; 30-water replenishing port; 31-reflux port; 32-a steam outlet; 33-a combustion chamber; 34-a steam chamber; 35-interlayer; 36-a gas mixing chamber; 37-flue gas outlet; 38-an exhaust fan; 39-a first filter screen; 40-a second filter screen; 41-dust exhaust port; 42-a sloping plate; 43-a baffle; 44-gas homogenizing plate; 45-through hole.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a blast furnace gas power generation combustion device comprises a device body 1, a blast furnace 2, a blast furnace gas delivery pipe 3, a gravity dust collector 4, a primary purified gas delivery pipe 5, a cyclone dust collector 6, a secondary purified gas delivery pipe 7, a bag-type dust collector 8, a clean gas main pipe 9, a first branch pipe 10, a pressure reducing valve group 11, a clean gas storage tank 12, a second branch pipe 13, a steam delivery pipe 14, a steam turbine 15, a generator 16, a steam output pipe 17, a condenser 18, a condensate pipe 19, a water pump 20, a return pipe 21, a combustion tank 22, a support leg 23, a programmable controller 24, an igniter 25, a gas inlet 26, a combustion-supporting air inlet 27, a smoke extraction pipe 28, a filter 29, a water replenishing port 30, a return port 31, a steam outlet 32, a combustion chamber 33, a combustion chamber 34, an interlayer 35, a gas mixing chamber 36, a smoke outlet 37, an exhaust fan 38, A second filter screen 40, a dust discharge port 41, an inclined plate 42, a baffle 43, a gas homogenizing plate 44 and a through hole 45, wherein the top end of the blast furnace 2 is fixedly connected with a blast furnace gas conveying pipe 3, one end of the blast furnace gas conveying pipe 3 is provided with a gravity dust collector 4, one end of the gravity dust collector 4 is fixedly connected with a primary purified gas conveying pipe 5, one end of the primary purified gas conveying pipe 5 is provided with a cyclone dust collector 6, the top end of the cyclone dust collector 6 is fixedly connected with a secondary purified gas conveying pipe 7, one end of the secondary purified gas conveying pipe 7 is provided with a bag-type dust collector 8, one end of the bag-type dust collector 8 is fixedly connected with a clean gas main pipe 9, the top end of the clean gas main pipe 9 is provided with a first branch pipe 10, the middle part of the first branch pipe 10 is provided with a pressure reducing valve group 11, one end, the equipment body 1 is installed at one end of the second branch pipe 13, the combustion tank 22 is arranged at the top of the equipment body 1, the programmable controller 24 is installed at the front face of the combustion tank 22, the interlayer 35 is arranged at the inner side of the combustion tank 22, the smoke extraction pipe 28 is installed at the top end of the left side of the interlayer 35, the filter 29 is installed at the bottom end of the smoke extraction pipe 28, the first filter screen 39 is installed at the top end inside the filter 29, the dust exhaust port 41 is arranged at the bottom side of the first filter screen 39, the second filter screen 40 is installed at the bottom of the first filter screen 39, the exhaust fan 38 is installed at the bottom of the second filter screen 40, the combustion chamber 33 is arranged at the bottom inside the combustion tank 22, the gas mixing chamber 36 is arranged at the bottom end of the combustion chamber 33, the gas homogenizing plate 44 is installed at the top end of the gas mixing chamber 36, combustion-supporting air inlets 27 are arranged on two sides of the coal gas inlet 26, igniters 25 are arranged on two sides of the middle of the combustion chamber 33, flue gas outlets 37 are arranged on the top ends of two sides of the combustion chamber 33, a steam chamber 34 is arranged on the top of the combustion chamber 33, a water replenishing port 30 is arranged on the top end of the left side of the steam chamber 34, a return port 31 is arranged on the top end of the right side of the steam chamber 34, a steam outlet 32 is arranged on the top end of the steam chamber 34, a steam conveying pipe 14 is fixedly connected with one end of the steam conveying pipe 14, a steam turbine 15 is arranged on one end of the steam conveying pipe 14, a generator 16 is arranged on one side of the steam turbine 15, a steam output pipe 17 is fixedly connected with the bottom end of the steam output pipe 17, a condensate pipe 19 is fixedly connected with the bottom.
Further, the programmable controller 24 electrically connects the igniter 25 and the suction fan 38, and the programmable controller 24 controls the operation of the igniter 25 and the suction fan 38.
Further, water pump 20 and backward flow mouth 31 pass through back flow 21 fixed connection, and water pump 20 can pass through the back flow 21 with the water in the condensate pipe 19 and flow back to steam chamber 34 by backward flow mouth 31 again in, simple and practical realizes the cyclic utilization of water resource, when avoiding extravagant, has also reduced the electricity generation cost of equipment body 1.
Furthermore, the heat preservation layer is arranged on the outer side of the interlayer 35, the structure is simple, heat loss is avoided, the utilization rate of flue gas generated by coal gas combustion is improved, meanwhile, the overhigh external temperature of the equipment body 1 is also prevented, the use safety of the equipment body is improved, and the service life of the equipment body is prolonged.
Further, the overall structure of the gas mixing chamber 36 is designed to be an inverted circular truncated cone, the volume is gradually increased from bottom to top, the air input of the mixed gas can be increased, sufficient air supply is ensured, and the ignition rapidity of the igniter 25 is improved.
Furthermore, the first filter screen 39 and the second filter screen 40 are matched for use, and are cooperated with each other, so that smoke generated by gas combustion can be fully filtered, the gas filter is practical and efficient, and secondary pollution is avoided.
Further, the bottom end of the first filter screen 39 is provided with the inclined plate 42, so that the dust filter is simple and practical, the falling of dust is accelerated, the later cleaning frequency is reduced, and the practicability of the filter 29 is improved.
Further, the design of interval between the adjacent baffle 43, baffle 43 can play certain effect of blockking to coal gas and combustion-supporting air, have reduced their flow velocity, avoid appearing because of the gas mixture is uneven and lead to that the ignition time is long, the unstable phenomenon of burning, simple and practical, when saving burning time, reinforcing combustion effect, also improved the work efficiency of equipment body 1, reduced the combustion cost.
Further, a plurality of through holes 45 have been seted up on even gas board 44's surface, and is rationally distributed, and the distribution is even, and the gas uniform flow of being convenient for has improved gas combustion's stability, has strengthened combustion chamber 33's combustion effect.
The working principle is as follows: when the blast furnace gas power generation and combustion equipment is used, after the blast furnace gas generated from a blast furnace 2 is subjected to triple purification by a gravity dust collector 4, a cyclone dust collector 6 and a bag-type dust collector 8 in sequence, one part of the generated clean gas flows into a clean gas storage tank 12 through a first branch pipe 10 to be stored for other use, the other part of the generated clean gas directly flows into a gas mixing chamber 36 at the bottom of an equipment body 1 through a second branch pipe 13 from a gas inlet 26, is fully mixed with combustion-supporting air under the action of a baffle 43 and then flows into a combustion chamber 33 from a through hole 45 to be combusted, the heat generated by the combustion enables moisture in a steam chamber 34 to be evaporated, the steam enters a steam turbine 15 from a steam outlet 32 through a steam conveying pipe 14, the heat energy is immediately converted into mechanical energy, the mechanical energy drives a generator 16 to generate power, the steam leaked in the steam turbine 15 enters a condenser 18 from a steam output pipe 17, water in condensate pipe 19 flows to steam chamber 34 again in by backward flow mouth 31 through back flow pipe 21 under water pump 20's effect and recycles, the flue gas that the burning produced gets into intermediate layer 35 by exhanst gas outlet 37 and preheats and further heats the back to steam chamber 34, finally enter into filter 29 by smoke extraction pipe 28 under the effect of air exhauster 38 in discharge to the air after the double filtration of first filter screen 39 and second filter screen 40, this kind of blast furnace gas power generation combustion equipment, not only easy operation, high durability and convenient use, and is reliable and stable, safety and practical, energy-concerving and environment-protective, the generating efficiency is high, the combustion effect is good, low in working cost, long service life, resource utilization is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A blast furnace gas power generation combustion device comprises a device body (1), a blast furnace (2), a blast furnace gas delivery pipe (3), a gravity dust collector (4), a primary purified gas delivery pipe (5), a cyclone dust collector (6), a secondary purified gas delivery pipe (7), a bag-type dust collector (8), a clean gas main pipe (9), a first branch pipe (10), a pressure reducing valve bank (11), a clean gas storage tank (12), a second branch pipe (13), a steam delivery pipe (14), a steam turbine (15), a generator (16), a steam output pipe (17), a condenser (18), a condensate pipe (19), a water pump (20), a return pipe (21), a combustion tank (22), support legs (23), a programmable controller (24), an igniter (25), a gas inlet (26), a combustion-supporting air inlet (27), a smoke extraction pipe (28), Filter (29), moisturizing mouth (30), backward flow mouth (31), steam outlet (32), combustion chamber (33), steam chamber (34), intermediate layer (35), gas mixing chamber (36), exhanst gas outlet (37), air exhauster (38), first filter screen (39), second filter screen (40), dust exhaust mouth (41), swash plate (42), baffle (43), even gas board (44) and through-hole (45), its characterized in that: the top end of the blast furnace (2) is fixedly connected with the blast furnace gas conveying pipe (3), one end of the blast furnace gas conveying pipe (3) is provided with the gravity dust collector (4), one end of the gravity dust collector (4) is fixedly connected with the primary purified gas conveying pipe (5), one end of the primary purified gas conveying pipe (5) is provided with the cyclone dust collector (6), the top end of the cyclone dust collector (6) is fixedly connected with the secondary purified gas conveying pipe (7), one end of the secondary purified gas conveying pipe (7) is provided with the bag-type dust collector (8), one end of the bag-type dust collector (8) is fixedly connected with the clean gas main pipe (9), the top end of the clean gas main pipe (9) is provided with the first branch pipe (10), the middle part of the first branch pipe (10) is provided with the pressure reducing valve group (11), the clean gas storage tank (12) is installed at one end of the first branch pipe (10), the second branch pipe (13) is arranged at the bottom end of the clean gas main pipe (9), the equipment body (1) is installed at one end of the second branch pipe (13), the combustion tank (22) is arranged at the top of the equipment body (1), the programmable program controller (24) is installed on the front face of the combustion tank (22), the interlayer (35) is arranged on the inner side of the combustion tank (22), the smoke extraction pipe (28) is installed at the top end of the left side of the interlayer (35), the filter (29) is installed at the bottom end of the smoke extraction pipe (28), the first filter screen (39) is installed at the top end of the inside of the filter (29), the dust exhaust port (41) is arranged at the bottom side of the first filter screen (39), and the second filter screen (40) is installed at the bottom of the first filter screen (39), install the bottom of second filter screen (40) air exhauster (38), the inside bottom of combustion can (22) is provided with combustion chamber (33), the bottom of combustion chamber (33) is provided with gas mixing chamber (36), install the top of gas mixing chamber (36) even gas board (44), install the inside both sides of gas mixing chamber (36) baffle (43), the middle part of gas mixing chamber (36) bottom is provided with coal gas entry (26), the both sides of coal gas entry (26) are provided with combustion air entry (27), install the both sides at combustion chamber (33) middle part point firearm (25), the top of combustion chamber (33) both sides is provided with exhanst gas outlet (37), the top of combustion chamber (33) is provided with steam chamber (34), the left top of steam chamber (34) is provided with moisturizing mouth (30), the top end of the right side of the steam chamber (34) is provided with the return opening (31), the top end of the steam chamber (34) is provided with the steam outlet (32), one end of the steam outlet (32) is fixedly connected with the steam conveying pipe (14), one end of the steam conveying pipe (14) is provided with the steam turbine (15), one side of the steam turbine (15) is provided with the generator (16), the bottom end of the steam turbine (15) is fixedly connected with the steam output pipe (17), the condenser (18) is arranged at the bottom end of the steam output pipe (17), the bottom end of the condenser (18) is fixedly connected with the condensate pipe (19), the water pump (20) is installed to the one end of condensate pipe (19), the one end fixedly connected with of water pump (20) back flow (21), the bottom of burning jar (22) is installed stabilizer blade (23).
2. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the programmable controller (24) is electrically connected with the igniter (25) and the exhaust fan (38).
3. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the water pump (20) is fixedly connected with the return port (31) through the return pipe (21).
4. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: and a heat-insulating layer is arranged on the outer side of the interlayer (35).
5. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the overall structure of the gas mixing chamber (36) is of inverted truncated design.
6. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the first filter screen (39) and the second filter screen (40) are matched for use.
7. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the bottom end of the first filter screen (39) is provided with an inclined plate (42).
8. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the adjacent baffles (43) are designed to be spaced.
9. The blast furnace gas power generation combustion apparatus according to claim 1, wherein: the surface of the gas homogenizing plate (44) is provided with a plurality of through holes (45).
CN201810699034.2A 2018-06-29 2018-06-29 Blast furnace gas power generation combustion equipment Active CN108843419B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810699034.2A CN108843419B (en) 2018-06-29 2018-06-29 Blast furnace gas power generation combustion equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810699034.2A CN108843419B (en) 2018-06-29 2018-06-29 Blast furnace gas power generation combustion equipment

Publications (2)

Publication Number Publication Date
CN108843419A CN108843419A (en) 2018-11-20
CN108843419B true CN108843419B (en) 2021-02-23

Family

ID=64200661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810699034.2A Active CN108843419B (en) 2018-06-29 2018-06-29 Blast furnace gas power generation combustion equipment

Country Status (1)

Country Link
CN (1) CN108843419B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101245400A (en) * 2008-03-19 2008-08-20 中国科学院力学研究所 Recycling of coal gas of steel-smelting revolving furnace with dry method and sensible heat power generation system
CN203295513U (en) * 2013-05-16 2013-11-20 程明 Blast furnace top gas top pressure power generation system
CN106122977A (en) * 2016-09-05 2016-11-16 重庆科技学院 CO2 recovery system based on refuse gasification combustion gas and steam turbine cogeneration
CN206545031U (en) * 2017-01-21 2017-10-10 鲍红宾 A kind of coal gas of steel-smelting revolving furnace recycle device
CN107385130A (en) * 2017-07-17 2017-11-24 常州大学 A kind of blast furnace gas purification technique

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5478368A (en) * 1977-12-05 1979-06-22 Mitsui Eng & Shipbuild Co Ltd Method and apparatus for recovering energy of blast furnace exhaust gas
JPS6118165Y2 (en) * 1980-08-12 1986-06-03
JP2000253697A (en) * 1999-02-26 2000-09-14 Nisshin Steel Co Ltd Operating method of blast furnace power plant
TW500622B (en) * 2000-12-04 2002-09-01 Taeyang Tech Co Ltd Gas scrubber system
CN101545383A (en) * 2008-03-26 2009-09-30 郑州永通特钢有限公司 Method for generating electricity by using blast furnace slag heat and device thereof
KR20100042920A (en) * 2008-10-17 2010-04-27 주식회사 포스코 Nozzzle extruding a refractrory mixture
JP5462128B2 (en) * 2010-10-27 2014-04-02 株式会社日立製作所 Thermal power plant
CN104946834A (en) * 2015-04-25 2015-09-30 成都中冶节能环保工程有限公司 Current source feedback type waste heat generating system based on blast furnace superconducting cooling
CN207002765U (en) * 2017-07-25 2018-02-13 邝贤语 A kind of blast furnace of segment design

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101245400A (en) * 2008-03-19 2008-08-20 中国科学院力学研究所 Recycling of coal gas of steel-smelting revolving furnace with dry method and sensible heat power generation system
CN203295513U (en) * 2013-05-16 2013-11-20 程明 Blast furnace top gas top pressure power generation system
CN106122977A (en) * 2016-09-05 2016-11-16 重庆科技学院 CO2 recovery system based on refuse gasification combustion gas and steam turbine cogeneration
CN206545031U (en) * 2017-01-21 2017-10-10 鲍红宾 A kind of coal gas of steel-smelting revolving furnace recycle device
CN107385130A (en) * 2017-07-17 2017-11-24 常州大学 A kind of blast furnace gas purification technique

Also Published As

Publication number Publication date
CN108843419A (en) 2018-11-20

Similar Documents

Publication Publication Date Title
US10022668B2 (en) Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine
CN104190253A (en) Coke oven flue gas SCR denitration system
CN204073849U (en) Coke oven flue gas SCR denitration system
CN104785020A (en) SCR flue gas denitration dust pre-removing device
CN204395633U (en) A kind of SCR denitrating flue gas pre-dedusting device
CN103277130B (en) Mining area distributed coal mine gas near-zero emission poly-generation energy supply system
CN108843419B (en) Blast furnace gas power generation combustion equipment
CN201779079U (en) Water-injecting air extractor
CN214209908U (en) Fan drainage formula power boiler tail gas processing apparatus
CN207230506U (en) A kind of novel environment friendly steam boiler
CN204829985U (en) Multipurpose biomass combustion power generation facility
CN207472106U (en) A kind of Chemical Manufacture waste heat recovering energy conserving equipment
CN205640978U (en) Energy -conserving combustion system of nitrogen oxide zero release oxygen boosting
CN210021588U (en) VOCs exhaust-gas treatment equipment
CN206648069U (en) A kind of residual heat from boiler fume recovery system
CN110894954A (en) High-temperature tail gas purification and waste heat recovery system
CN206131076U (en) Domestic low emission environmental protection and energy saving kitchen
CN207401340U (en) A kind of coal steam-electric plant smoke denitrification apparatus
CN110822448A (en) Sludge blending combustion system for dry-type slag extractor
CN207351232U (en) A kind of coking flue gas purification system
CN111151130A (en) SCR (selective catalytic reduction) flue gas denitration system with online regeneration function for garbage incinerator and denitration method thereof
CN201964433U (en) Movable tubular fire grate for cold combustion supporting of mixed gas in boiler
CN213668680U (en) Circulating flue gas desulfurization and denitrification device
CN202709430U (en) Heating and steam boiler
CN109578118A (en) One kind being used for gas internal-combustion engine flue gas tail portion denitrating system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210127

Address after: Room 802, 8 / F, Wenzhou high quality agricultural products exhibition center building, Jinxiu Road, Lucheng District, Wenzhou City, Zhejiang Province

Applicant after: WENZHOU SHENGMIAO INDUSTRIAL DESIGN Co.,Ltd.

Address before: No.39, Jingjiang South Road, Linhai City, Taizhou City, Zhejiang Province

Applicant before: Zhang Jujin

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211126

Address after: 134003 No. 868, Dongming Road, dongtonghua street, Tonghua City, Jilin Province

Patentee after: Tonghua Jidian Development Energy Co.,Ltd.

Patentee after: Tonghua thermoelectric Co., Ltd

Address before: Room 802, 8 / F, Wenzhou high quality agricultural products exhibition center building, Jinxiu Road, Lucheng District, Wenzhou City, Zhejiang Province

Patentee before: WENZHOU SHENGMIAO INDUSTRIAL DESIGN Co.,Ltd.