CN108975282B - Sulfur incinerator system for bromine production - Google Patents
Sulfur incinerator system for bromine production Download PDFInfo
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- CN108975282B CN108975282B CN201811056033.2A CN201811056033A CN108975282B CN 108975282 B CN108975282 B CN 108975282B CN 201811056033 A CN201811056033 A CN 201811056033A CN 108975282 B CN108975282 B CN 108975282B
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- pipe
- heat exchange
- furnace body
- heat
- feeding
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 26
- 239000011593 sulfur Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 65
- 238000001816 cooling Methods 0.000 claims abstract description 61
- 238000002485 combustion reaction Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 118
- 239000011521 glass Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 22
- 239000000498 cooling water Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 32
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 2
- XOCUXOWLYLLJLV-UHFFFAOYSA-N [O].[S] Chemical compound [O].[S] XOCUXOWLYLLJLV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 20
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/54—Preparation of sulfur dioxide by burning elemental sulfur
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a sulfur incinerator system for bromine production, which comprises an incinerator body and a steam boiler, wherein a heat exchange steam generating device is arranged on the wall of the incinerator body, the air outlet end of the heat exchange steam generating device is connected to the air outlet end of the steam boiler, a feeding device and an air inlet device are arranged on one side of the incinerator body, the incinerator body is connected with a cooling tower body through an air supply pipe, and the air outlet end of the cooling tower body is also connected with a heat recovery device; the heat exchange steam generation device and the heat recovery device are used for recycling heat of the furnace body, the heat exchange steam generation device is arranged in parallel with the steam boiler, when the steam supply of the heat exchange steam generation device is insufficient, the steam supply can be supplemented through the steam boiler, the feeding device is used for conveying sulfur powder to the furnace body, under the cooperation of the air inlet device, the dispersibility of the sulfur powder in the furnace body is good, the full combustion of the sulfur powder is facilitated, and the sulfur powder is avoided following generated SO (sulfur-oxygen) powder 2 The gas is conveyed into the cooling tower body together, so that raw material waste is avoided, and the burden of the cooling tower is reduced.
Description
Technical Field
The invention relates to the technical field of equipment for bromine production, in particular to a sulfur incinerator system for bromine production.
Background
In the production and processing of bromine, sulfur is utilized as a production raw material, and the production process is as follows: delivering sulfur into a sulfur incinerator for burning to generate SO 2 Gas, SO is generated 2 The gas needs to be primarily cooled in the cooling tower for the subsequent treatment of the absorption tower. In the prior art, when the sulfur incinerator works, the sulfur is not fully combusted, the heat recovery rate is low, and the exhaust gas and SO in the initial stage of combustion exist 2 The normal collection and conversion component of gas has the defects of high cost and the like, the raw materials of the currently used sulfur incinerator are liquid sulfur, and the liquid sulfur is controlled to be complex corresponding to the used feeding equipment, so that the sulfur incinerator system is required to be improved to avoid the defects.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sulfur incinerator system for bromine production, which has the advantages of sufficient combustion of sulfur powder and good heat recovery and waste gas treatment effects.
In order to solve the technical problems, the technical scheme of the invention is as follows: a sulfur incinerator system for bromine production, including the furnace body, with the furnace body is equipped with steam boiler side by side, be equipped with heat transfer steam generating device on the oven of furnace body, heat transfer steam generating device's end of giving vent to anger is connected to steam boiler's end of giving vent to anger, furnace body one side is equipped with feed arrangement, feed arrangement's discharge end extends to in the furnace body, feed arrangement's discharge side intercommunication has hot blast blowpipe, the furnace body is connected with the cooling tower body through the gas supply pipe, the end of giving vent to anger of cooling tower body still is connected with heat recovery unit.
As an optimized technical scheme, the heat exchange steam generation device comprises a heat exchange furnace chamber arranged in the furnace wall of the furnace body in a hollow mode, a heat exchange pipe is arranged in the heat exchange furnace chamber in a disc mode, a heat exchange filling layer is filled between the heat exchange pipe and the cavity wall of the heat exchange furnace chamber, at least one air supply branch pipe extending to the outside of the furnace body is communicated with the heat exchange pipe, and an air supply header pipe communicated with each air supply branch pipe is arranged on the outer side of the furnace body.
As an optimal technical scheme, a heat exchange hot water generating device communicated with the heat exchange steam generating device is arranged on the outer wall of the furnace body; the heat exchange hot water generating device comprises a heat exchange water jacket attached to the outer wall of the furnace body, wherein the heat exchange water jacket is communicated with a cold water inlet pipe and a hot water outlet pipe, and the heat exchange pipe is communicated with the cold water inlet pipe.
As the preferable technical scheme, heat recovery device includes the heat recovery tower, the heat recovery tower through preliminary recovery pipe connection of heat to on the outlet duct of cooling tower body, be equipped with in the heat recovery tower and spray the heat sink, the lateral part of heat recovery tower is equipped with the heat exchanger, spray the heat sink with preliminary recovery pipe of heat is connected to respectively the heat exchanger.
As an optimized technical scheme, the preliminary heat recovery pipe comprises a glass outer pipe fixedly connected with the heat recovery tower, a glass inner pipe and a ceramic inner pipe are sleeved in the glass outer pipe in sequence, the ceramic inner pipe is communicated with the heat recovery tower, a heat exchange cavity is formed between the glass outer pipe and the glass inner pipe, the heat exchange cavity is respectively connected to the spraying cooling device and the heat exchanger through pipelines, and glass fiber cloth is filled between the glass inner pipe and the ceramic inner pipe;
the spray cooling device comprises a cooling water supply pipe connected with the heat exchanger, a cooling water pump is connected in series on the cooling water supply pipe, a water outlet end of the cooling water supply pipe is connected with a cooling ring pipe surrounding the heat recovery tower, at least two layers of cooling spray heads are arranged on the inner wall of the heat recovery tower, and the cooling spray heads are connected to the cooling ring pipe through pipelines respectively.
As an optimal technical scheme, the surface of the heat recovery tower is also provided with a liquid level indicating device;
the liquid level indicating device comprises a U-shaped indicating pipe with a transparent structure, one end of the indicating pipe is closed, and the other end of the indicating pipe is fixedly communicated with the inner cavity of the heat recovery tower.
As the preferred technical scheme, feed arrangement is including locating the feeding frame of furnace body one side, fixed mounting has feeding motor on the feeding frame, feeding motor's power take off end transmission is connected with the feeding flood dragon, feeding flood dragon top fixed mounting has feeding funnel, feeding flood dragon's discharge end intercommunication has the inlet pipe, the inlet pipe extends to in the furnace body.
As the preferable technical scheme, the air inlet device is including locating the Roots blower of furnace body lateral part, the air inlet end fixedly connected with air cleaner of Roots blower, the air-out end intercommunication of Roots blower has high-pressure air storage tank, high-pressure air storage tank is through the air-supply line slope intercommunication to being located the inlet pipe in the furnace body outside, high-pressure air storage tank still communicates there is supplementary intake pipe, supplementary intake pipe fixed mounting in on the furnace body.
As the preferable technical scheme, install the initial stage exhaust device of burning on the gas supply pipe, initial stage exhaust device of burning include with the gas supply pipe intercommunication sets up the exhaust tube seat, with the exhaust tube seat is equipped with the exhaust riser relatively, the exhaust tube seat with be connected with riser plugging device between the exhaust riser, the exhaust riser top intercommunication is equipped with the exhaust cross tube.
As an optimized technical scheme, the riser plugging device comprises connecting flanges fixedly installed at the butt joint ends of the exhaust pipe seat and the exhaust riser respectively, a riser plugging plate is clamped between the two connecting flanges, and detachable locking bolts are arranged penetrating the two connecting flanges and the riser plugging plate;
due to the adoption of the technical scheme, the invention has the beneficial effects that: the heat exchange steam generating device, the heat exchange hot water generating device and the heat recovery device are used for recycling heat of the furnace body, the heat exchange steam generating device is arranged in parallel with the steam boiler, when the steam supply of the heat exchange steam generating device is insufficient, the steam supply can be supplemented through the steam boiler, and the initial combustion exhaust device is used for exhausting preheated flue gas formed in the initial combustion stage of the furnace body and SO (sulfur dioxide) 2 The normal collection of the gas is convenient to convert, and the cost of the conversion component is low; the feeding device is used for conveying the sulfur powder to the furnace body, after the sulfur powder is ignited, under the cooperation of the air inlet device, the sulfur powder has good dispersivity in the furnace body, is beneficial to the full combustion of the sulfur powder, and avoids SO (sulfur oxides) generated along with the sulfur powder 2 The gas is conveyed into the cooling tower body together, so that raw material waste is avoided, and the burden of the cooling tower is reduced.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a heat exchange steam generating device and a heat exchange hot water generating device according to an embodiment of the present invention;
FIG. 3 is a side view of a heat exchange steam generating device and a heat exchange hot water generating device according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a heat exchange steam generating device and a heat exchange hot water generating device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a cooling tower and a heat recovery device according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a heat recovery device and related structures according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a feeding device and an air intake device according to an embodiment of the present invention;
FIG. 8 is a top view of a feed device and associated structure in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view showing the structure of an exhaust apparatus for initial combustion according to an embodiment of the present invention;
in the figure: 1-a furnace body; 2-a heat exchange steam generating device; 201-a heat exchange tube; 202-an air supply branch pipe; 203-a heat exchange filling layer; 204-a gas supply header; 3-a heat exchange hot water generating device; 301-a heat exchange water jacket; 302-a cold water inlet pipe; 303-a hot water outlet pipe; 304-a water inlet main pipe; 305-a water inlet pipe seat; 306-a water inlet pipe; 307-water inlet control valve; 308-a water outlet header pipe; 309-outlet pipe seat; 310-a water outlet pipe; 4-a transparent riser; 5-an air supply pipe; 6-cooling tower body; 7, an air inlet pipe; 8-an air outlet pipe; 9-a heat recovery tower; 10-a heat exchanger; 11-a glass outer tube; 12-a glass inner tube; 13-a ceramic inner tube; 14-a heat exchange cavity; 15-glass fiber cloth; 16-a cooling water supply pipe; 17-a cooling water pump; 18-cooling the annular pipe; 19-cooling spray heads; 20-exhaust port; 21-an indicator tube; 22-a feed motor; 23-feeding dragon; 24-feeding funnel; 25-feeding pipe; 26-supporting legs; 27-a support panel; 28-Roots blower; 29-an air cleaner; 30-a high-pressure air storage tank; 31-an air inlet pipe; 32-an auxiliary air inlet pipe; 33-exhaust pipe seat; 34-a vent stack; 35-exhausting a transverse pipe; 36-connecting flanges; 37-riser plugging plates; 38-locking a bolt; 39-supporting the upright; 40-a transverse tube erection seat; 41-erecting a pipe hoop by a transverse pipe; 42-supporting the cross bar; 43-riser mount; 44-riser erection of a pipe clamp; 45-handle; 46-steam boiler.
Detailed Description
The invention is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
As shown in fig. 1, 2, 3 and 4, the sulfur-burning furnace system for bromine production comprises a furnace body 1, a steam boiler 46 is arranged in parallel with the furnace body 1, a heat exchange steam generating device 2 is arranged on the furnace wall of the furnace body 1, the air outlet end of the heat exchange steam generating device 2 is connected to the air outlet end of the steam boiler 46, and a heat exchange hot water generating device 3 communicated with the heat exchange steam generating device 2 is arranged on the outer wall of the furnace body 1. The heat exchange steam generating device 2 is used for generating steam for the subsequent treatment process of sulfur dioxide gas, and when sulfur is combusted in the furnace body 1, a large amount of heat energy is generated, and the heat exchange steam generating device 2 forms steam through heat exchange. When the heat exchange steam generating device 2 generates insufficient steam, the steam boiler 46 can be started for supplementing, so that heat recovery and utilization are realized, and the investment of generating cost is reduced.
Specifically, the heat exchange steam generating device 2 includes a heat exchange furnace chamber disposed in a furnace wall of the furnace body 1, a heat exchange tube 201 is disposed in a plate in the heat exchange furnace chamber, a heat exchange filling layer 203 is filled between the heat exchange tube 201 and a wall of the heat exchange furnace chamber, at least one air supply branch pipe 202 extending to the outside of the furnace body 1 is connected to the heat exchange tube 201, an air supply manifold 204 disposed in communication with each air supply branch pipe 202 is disposed at the outside of the furnace body 1, and steam can be conveyed to a utilization place by using the air supply manifold 204, and a plurality of air supply branch pipes 202 are disposed to make the steam conveyed to the air supply manifold 204 with high efficiency. The heat exchange filling layer 203 may be set as glass fiber cloth 15, water is in the heat exchange tube 201 for heating and producing steam, when the sulfur powder in the furnace body 1 burns, the generated temperature can reach more than 800 ℃, through the cooperation of the furnace wall of the furnace body 1, the heat exchange filling layer 203 and the heat exchange tube 201, the water in the heat exchange tube 201 can be heated to become steam, and the generated steam is conveyed to the subsequent process through the air supply header 204 SO as to facilitate SO 2 And (5) carrying out gas subsequent treatment and spraying.
The heat exchange hot water generating device 3 of this embodiment includes a heat exchange water jacket 301 attached to the outer wall of the furnace body 1, the heat exchange water jacket 301 is communicated with a cold water inlet pipe 302 and a hot water outlet pipe 303, the heat exchange pipe 201 is communicated with the cold water inlet pipe 302, cold water is provided for the heat exchange water jacket 301 and the heat exchange pipe 201 through the cold water inlet pipe 302, so that hot water and steam are generated by heat exchange, and are conveyed outwards. Specifically, the cold water inlet pipe 302 includes a water inlet header 304 connected to a water source, a water inlet pipe seat 305 is disposed on the water inlet header 304, one of the water inlet pipe seats 305 is connected to the heat exchange pipe 201, the other water inlet pipe seats 305 are respectively connected to the heat exchange water jacket 301, water inlet branch pipes 306 are respectively connected to the other water inlet pipe seats, water inlet control valves 307 are correspondingly installed on the water inlet branch pipes 306, and by adjusting the water inlet control valves 307, the water inlet amount of the heat exchange water jacket 301 can be adjusted, so that the internal water circulation speed is changed, when the water inlet control valves 307 are closed, the circulation of water flow in the heat exchange water jacket 301 is slow, the internal water heat exchange time is long, the water temperature rise is large, and otherwise, the water temperature rise is small.
The hot water outlet pipe 303 comprises a water outlet main pipe 308, a water outlet pipe seat 309 communicated with the heat exchange water jacket 301 is arranged on the water outlet main pipe 308, water outlet branch pipes 310 are respectively communicated between the water outlet pipe seats 309 and the heat exchange water jacket 301, and the water outlet branch pipes 310 can be connected to the top end of the heat exchange water jacket 301, can also be connected to the bottom end of the heat exchange water jacket 301 and are opposite to the water inlet branch pipes 306 for conveying hot water outwards.
The water level metering device is arranged on the cold water inlet pipe 302 and communicated with the water inlet branch pipe 306 connected with the heat exchange water jacket 301, the water level metering device comprises a transparent vertical pipe 4 which is arranged and communicated on the cold water inlet pipe 302, the height of the transparent vertical pipe 4 is not less than that of the hot water outlet pipe 303, and metering scales are arranged on the surface of the transparent vertical pipe 4. Through transparent riser 4, in addition to the scale of the outer surface of the tube body, can observe the liquid level of water in transparent riser 4, because the heat exchange water jacket 301 is unanimous with transparent riser 4 pressure, can indirectly learn the water level of heat exchange water jacket 301 to the convenient operation water control valve 307 controls the water level in the heat exchange water jacket 301.
In this embodiment, the heat exchange water jacket 301 may be configured as a sectional structure, for example, at least two sections of the heat exchange water jackets 301 are disposed on the surface of the furnace body 1, and the sectional arrangement of the heat exchange water jackets 301 helps to improve the heat exchange rate, so that the heated temperature of the water in each section of heat exchange water jackets 301 is uniform. The heat exchange water jacket 301 surrounds the upper part of the furnace body 1, part of the furnace wall of the furnace body 1 also serves as the bottom wall of the heat exchange water jacket 301, the heat exchange water jacket 301 and the furnace body 1 are respectively of metal structures, and the furnace body 1 and the heat exchange water jacket 301 share part of metal walls, so that the heat exchange rate is high, and the use cost of equipment materials is reduced.
The heat exchange steam generation device 2 and the heat exchange hot water generation device 3 can fully utilize the heat of the combustion of the sulfonic powder to form hot water and steam, and the hot water and the steam are conveyed to SO 2 The cold water is continuously fed through the cold water inlet pipe 302, and the temperature in the furnace body 1 can be reduced to a certain extent through the structure, SO that the generated SO is indirectly reduced 2 The temperature of the gas achieves the aim of recycling the combustion heat of sulfur, and is favorable for reducing the cooling burden of the following cooling equipment.
As shown in fig. 1, 5 and 6, the furnace body 1 is connected with a cooling tower body 6 through an air supply pipe 5, and the cooling tower body 6 is communicated with an air inlet pipe 7 for butting with an air outlet end of the furnace body 1 and an air outlet pipe for outputting SO 2 An air outlet pipe 8 for air, SO generated by burning in the sulfur burning furnace 2 The gas is firstly conveyed into the cooling tower body 6 for preliminary heat dissipation and cooling. The air outlet end of the cooling tower body 6 is also connected with a heat recovery device, and the heat recovery device comprises a heat recovery tower 9, and because the cooling tower body 6 has a simple structure and an unobvious heat dissipation effect, the heat recovery tower 9 is specially designed and installed for recovering SO (SO) 2 And the heat carried by the gas is reused. The heat recovery tower 9 is connected to the cooling tower body 6 through a heat primary recovery pipe on the air outlet pipe 8, the air outlet pipe 8 and the heat primary recovery pipe are arranged between the cooling tower body 6 and the heat recovery tower 9 along the gradually-lowered inclination of the gas travelling direction, so that the gas stroke is prolonged as much as possible, and the cooling effect is improved.
The heat recovery tower 9 is internally provided with a spray cooling device, the side part of the heat recovery tower 9 is provided with a heat exchanger 10, and the spray cooling device and the heat primary recovery pipe are respectively connected to the heat exchanger 10. By using the heatPreliminary recovery pipe and spray heat sink will SO 2 The heat carried by the gas is firstly transferred into the water, then the heat in the water is transferred and conveyed outwards by the heat exchanger 10, and SO is recovered 2 The water of the gas heat can be recycled.
Specifically, the preliminary recovery pipe of heat include with heat recovery tower 9 fixed connection's glass outer tube 11, glass inner tube 12 and ceramic inner tube 13 are equipped with to the cover in proper order in the glass outer tube 11, ceramic inner tube 13 with heat recovery tower 9 intercommunication sets up, glass outer tube 11 with be formed with heat exchange cavity 14 between the glass inner tube 12, heat exchange cavity 14 pass through the pipeline be connected to respectively spray cooling device with heat exchanger 10, glass inner tube 12 with it has glass fiber cloth 15 to fill between the ceramic inner tube 13. The spray cooling device, the heat exchange cavity 14 and the heat exchanger 10 are communicated to form a water circulation system. SO delivered from the cooling tower 6 2 The gas heat is higher, when the heat is initially recovered through the pipe, the heat conduction efficiency of the ceramic inner pipe 13 is high, the heat can be transferred to the water in the heat exchange cavity 14 through the glass inner pipe 12, the glass inner pipe 12 and the glass fiber cloth 15 is filled between the ceramic inner pipe 13 for protecting the glass inner pipe 12, the glass inner pipe 12 is prevented from being damaged due to overhigh temperature, and in addition, the heat conduction efficiency of the glass fiber cloth 15 is high, and the heat propagation is timely.
The spray cooling device comprises a cooling water supply pipe 16 connected with the heat exchanger 10, a cooling water pump 17 is connected on the cooling water supply pipe 16 in series, a cooling ring pipe 18 arranged around the heat recovery tower 9 is connected at the water outlet end of the cooling water supply pipe 16, at least two layers of cooling spray heads 19 are arranged on the inner wall of the heat recovery tower 9 up and down, and the cooling spray heads 19 are connected to the cooling ring pipe 18 through pipelines respectively. Adjacent two layers of cooling spray heads 19 are arranged in a vertically staggered manner, and water is sprayed out of the cooling spray heads 19 and is sprayed out of SO in the heat recovery tower 9 by pressurization of the cooling water pump 17 2 In the gas contact process, SO is absorbed 2 The heat of the gas is cooled, and after the water is heated, the water naturally falls to the bottom of the heat recovery tower 9 and enters the heat recovery towerHeat exchange is performed in the heat exchanger 10, heat is transported out by using the heat exchanger 10, and meanwhile, water is cooled for circulation spraying heat exchange.
The top end of the heat recovery tower 9 is provided with an exhaust port 20, the exhaust pipe seat 33 is used for connecting an air pipe and conveying the cooled SO outwards 2 The gas, heat recovery tower 9 surface still is equipped with liquid level indicating device, liquid level indicating device includes transparent structure's U-shaped pilot tube 21, pilot tube 21 one end is sealed, the pilot tube 21 other end fixed intercommunication to the inner chamber of heat recovery tower 9. The indication pipe 21 can conveniently penetrate through the liquid level of the cooling water in the heat recovery tower 9 so as to be convenient for timely supplement, and the cooling and heat recovery effects are ensured.
As shown in fig. 1, 7 and 8, a feeding frame is arranged at one side of the furnace body 1, a feeding device is arranged on the feeding frame, and a discharging end of the feeding device extends into the furnace body 1 and is used for conveying sulfur powder into the furnace body 1. The feeding device comprises a feeding motor 22 fixedly installed on the feeding frame, a feeding dragon 23 is connected to the power output end of the feeding motor 22 in a transmission mode, a feeding funnel 24 is fixedly installed at the top end of the feeding dragon 23, a feeding pipe 25 is communicated with the discharging end of the feeding dragon 23, and the feeding pipe 25 extends into the furnace body 1. When the furnace body 1 is filled with the filler, the sulfur powder is firstly placed on the feeding frame, a worker steps on the feeding frame, the sulfur powder is poured into the feeding dragon 23 through the feeding hopper 24, and the sulfur powder is continuously conveyed into the furnace body 1 through the feeding pipe 25 under the action of the feeding motor 22 and the feeding dragon 23.
The feeding frame comprises supporting legs 26 and a supporting panel 27, a ladder which is convenient to go up and down is arranged on the side portion of the supporting panel 27, when sulfur powder needs to be put in, operators need to stand on the supporting panel 27 to operate, after the ladder is arranged, the operators go up and down the supporting panel 27 is labor-saving and convenient. The support panel 27 is provided with a protection vertical plate around the pedal at the edge, so that the safety of the work of operators can be provided, and the operators are prevented from falling off when stepping on the pedal.
The discharging side of the feeding device is communicated with an air inlet device, the air inlet device comprises a Roots blower 28 arranged on the side part of the furnace body 1, an air filter 29 is fixedly connected with the air inlet end of the Roots blower 28, a high-pressure air storage tank 30 is communicated with the air outlet end of the Roots blower 28, and the high-pressure air storage tank 30 is communicated to the feeding pipe 25 through an air inlet pipe 31. The high-pressure air storage tank 30 can be matched with other electrical control components, and when the pressure value of the high-pressure air storage tank 30 reaches the upper pressure limit, the Roots blower 28 is powered off to stop working; when the pressure value of the high-pressure air storage tank 30 is lower than the lower pressure limit, the circuit of the Roots blower 28 is connected, so that the Roots blower 28 is started to supplement air to the high-pressure air storage tank 30, intermittent operation of the Roots blower 28 can be realized, and the service life of the Roots blower 28 is prolonged to the greatest extent. The included angle a between the air inlet pipe 31 and the feeding pipe 25 is not greater than 45 degrees, so that the air fed by the air inlet pipe 31 carries the sulfur powder to be blown into the furnace body 1 only, the reverse flow of the air is prevented, and the smoothness of sulfur powder conveying is ensured. The high-pressure air storage tank 30 is further communicated with an auxiliary air inlet pipe 32, the auxiliary air inlet pipe 32 is fixedly arranged on the furnace body 1, and an air outlet end of the auxiliary air inlet pipe 32 is positioned at the side part of the feeding pipe 25 in the furnace body 1 and is used for blowing away the raw materials conveyed by the feeding pipe 25 after being ignited, so that insufficient raw material combustion is prevented.
The bagged sulfur powder is firstly placed on the feeding frame, then is put into the feeding pipe 25 through the feeding motor 22 and the feeding dragon 23 according to production requirements, the sulfur powder is blown into the furnace body 1 under the blowing of the air inlet device and the air inlet pipe 31, and the air inlet pipe 31 is obliquely arranged on the feeding pipe 25, so that the air flow drives the sulfur powder to only move towards the furnace body 1, the reflux phenomenon of the sulfur powder towards the feeding dragon 23 is eliminated, after the air flow carries the sulfur powder into the furnace body 1, the sulfur powder is dispersed well under the cooperation of the auxiliary air inlet pipe 31 due to the sudden increase of space and the sudden pressure drop, the full combustion of the sulfur powder is guaranteed, the raw material waste is avoided, and meanwhile, part of sulfur powder is prevented from being carried into a cooling tower by generated sulfur dioxide gas, thereby reducing the burden of the cooling tower.
As shown in fig. 1 and 9, the air supply pipe 5 is provided with an initial combustion exhaust device, the initial combustion exhaust device comprises an exhaust pipe seat 33 communicated with the air supply pipe 5, an exhaust vertical pipe 34 is arranged opposite to the exhaust pipe seat 33, a vertical pipe plugging device is connected between the exhaust pipe seat 33 and the exhaust vertical pipe 34, an exhaust horizontal pipe 35 is communicated with the top end of the exhaust vertical pipe 34, and the exhaust pipe seat 33, the exhaust vertical pipe 34 and the vertical pipe plugging device are matched with the exhaust horizontal pipe 35 to realize the external discharge of the initial combustion exhaust gas of the furnace body 1.
Specifically, the riser plugging device includes a connection flange 36 fixedly installed at the butt ends of the exhaust pipe seat 33 and the exhaust riser 34, a riser plugging plate 37 is clamped between the connection flanges 36, a detachable locking bolt 38 is disposed through the connection flanges 36 and the riser plugging plate 37, and a handle 45 convenient for operation is relatively disposed on the exhaust riser 34 above the connection flanges 36. When exhaust gas is required to be discharged, each locking bolt 38 is disassembled, the vertical pipe plugging plate 37 is pulled out, and each locking bolt 38 is installed, so that the exhaust vertical pipe 34 is communicated with the exhaust pipe seat 33 and the air supply pipe 5, and the exhaust gas generated by preheating the furnace body 1 can be smoothly discharged; after the exhaust is completed, the riser plugging plate 37 is reinstalled, and an exhaust channel is plugged, SO that SO generated by the combustion of the furnace body 1 is generated 2 The gas is smoothly conveyed to the cooling tower body 6.
Along the exhaust cross tube 35 axial has arranged the cross tube and erects the device, the cross tube erects the device and includes the support pole setting 39 of fixed mounting in subaerial, the top threaded connection of support pole setting 39 has the cross tube to erect the seat 40, runs through the cross tube erects the seat 40 and is equipped with the cross tube and erects the pipe strap 41, the cross tube erect the pipe strap 41 suit in the periphery of exhaust cross tube 35. The support upright 39 is used for supporting the exhaust cross pipe 35. The threaded installation mode of the transverse pipe erection seat 40 facilitates the adjustment of erection height so as to adapt to the uneven change of the ground.
The support cross rod 42 can be connected to the support upright rod 39 near the exhaust upright tube 34, a riser erection seat 43 is connected to the top end of the support cross rod 42 in a threaded manner, a riser erection pipe hoop 44 is arranged through the riser erection seat 43, the riser erection pipe hoop 44 is sleeved on the periphery of the exhaust upright tube 34, and the support cross rod 42 is used for limiting the exhaust upright tube 34 to prevent the exhaust upright tube 34 from being askew and is well connected with the exhaust transverse tube 35 in a sealing manner.
Before sulfur raw materials are fed, the furnace body 1 is required to be ignited and preheated, a large amount of waste gas is generated in the preheating stage of the furnace body 1, the exhaust riser 34 is communicated with the air supply pipe 5 by operating the riser plugging device, combustion waste gas is discharged to gas treatment equipment for purification through the exhaust riser 34 and the exhaust transverse pipe 35, after the initial combustion exhaust is completed, the exhaust riser 34 is plugged by the riser plugging device, and SO is generated during normal operation of the furnace body 1 2 The gas automatically enters the cooling tower body 6 communicated with the air supply pipe 5, the operation is simple and labor-saving, the equipment is not required to be provided with an additional control valve, and the cost of the riser plugging device is much lower than that of the control valve, so that the equipment investment cost is reduced.
In summary, the heat exchange steam generating device 2, the heat exchange hot water generating device 3 and the heat recovery device are used for recycling heat of the furnace body 1, the heat exchange steam generating device 2 is arranged in parallel with the steam boiler 46, when the heat exchange steam generating device 2 is insufficient in steam supply, the steam boiler 46 can be used for supplying steam, and the initial combustion exhaust device is used for exhausting preheated flue gas formed in the initial combustion stage of the furnace body 1 and SO 2 The normal collection of the gas is convenient to convert, and the cost of the conversion component is low; the feeding device is used for conveying the sulfur powder to the furnace body 1, after the sulfur powder is ignited, under the cooperation of the air inlet device, the sulfur powder has good dispersibility in the furnace body 1, is beneficial to the full combustion of the sulfur powder, and avoids SO (sulfur oxides) generated along with the sulfur powder 2 The gas is conveyed into the cooling tower body 6 together, so that raw material waste is avoided, and the burden of the cooling tower is reduced.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A burn sulphur stove system for bromine production, including the furnace body, with the furnace body is equipped with steam boiler side by side, its characterized in that: the furnace body is provided with a heat exchange steam generation device, the air outlet end of the heat exchange steam generation device is connected to the air outlet end of the steam boiler, one side of the furnace body is provided with a feeding device, the discharge end of the feeding device extends into the furnace body, the discharge side of the feeding device is communicated with an air inlet device, the furnace body is connected with a cooling tower body through an air supply pipe, and the air outlet end of the cooling tower body is also connected with a heat recovery device;
the heat exchange steam generation device comprises a heat exchange furnace chamber which is arranged in the furnace wall of the furnace body in a hollow manner, a heat exchange pipe is arranged in the heat exchange furnace chamber in a disc manner, a heat exchange filling layer is filled between the heat exchange pipe and the chamber wall of the heat exchange furnace chamber, the heat exchange pipe is communicated with at least one air supply branch pipe which extends to the outside of the furnace body, and an air supply header pipe which is communicated with each air supply branch pipe is arranged at the outer side of the furnace body;
the outer wall of the furnace body is provided with a heat exchange hot water generating device communicated with the heat exchange steam generating device; the heat exchange hot water generating device comprises a heat exchange water jacket attached to the outer wall of the furnace body, wherein the heat exchange water jacket is communicated with a cold water inlet pipe and a hot water outlet pipe, and the heat exchange pipe is communicated with the cold water inlet pipe;
the water level metering device is arranged on the cold water inlet pipe and comprises a transparent vertical pipe which is communicated with the cold water inlet pipe, the height of the transparent vertical pipe is not less than that of the hot water outlet pipe, and metering scales are arranged on the surface of the transparent vertical pipe.
2. A sulfur burner system for bromine production of claim 1 wherein: the heat recovery device comprises a heat recovery tower, the heat recovery tower is connected to an air outlet pipe of the cooling tower body through a heat primary recovery pipe, a spray cooling device is arranged in the heat recovery tower, a heat exchanger is arranged on the side portion of the heat recovery tower, and the spray cooling device and the heat primary recovery pipe are respectively connected to the heat exchanger.
3. A sulfur burner system for bromine production of claim 2 wherein: the primary heat recovery pipe comprises a glass outer pipe fixedly connected with the heat recovery tower, a glass inner pipe and a ceramic inner pipe are sleeved in the glass outer pipe in sequence, the ceramic inner pipe is communicated with the heat recovery tower, a heat exchange cavity is formed between the glass outer pipe and the glass inner pipe, the heat exchange cavity is respectively connected to the spray cooling device and the heat exchanger through pipelines, and glass fiber cloth is filled between the glass inner pipe and the ceramic inner pipe;
the spray cooling device comprises a cooling water supply pipe connected with the heat exchanger, a cooling water pump is connected in series on the cooling water supply pipe, a water outlet end of the cooling water supply pipe is connected with a cooling ring pipe surrounding the heat recovery tower, at least two layers of cooling spray heads are arranged on the inner wall of the heat recovery tower, and the cooling spray heads are connected to the cooling ring pipe through pipelines respectively.
4. A sulfur burner system for bromine production of claim 3 wherein: the surface of the heat recovery tower is also provided with a liquid level indicating device;
the liquid level indicating device comprises a U-shaped indicating pipe with a transparent structure, one end of the indicating pipe is closed, and the other end of the indicating pipe is fixedly communicated with the inner cavity of the heat recovery tower.
5. A sulfur burner system for bromine production of claim 1 wherein: the feeding device comprises a feeding frame arranged on one side of the furnace body, a feeding motor is fixedly arranged on the feeding frame, a feeding dragon is connected to the power output end of the feeding motor in a transmission mode, a feeding funnel is fixedly arranged on the top end of the feeding dragon, a feeding pipe is communicated with the discharging end of the feeding dragon, and the feeding pipe extends into the furnace body.
6. A sulfur burner system for bromine production of claim 5 wherein: the air inlet device comprises a Roots blower arranged on the side part of the furnace body, an air filter is fixedly connected to the air inlet end of the Roots blower, a high-pressure air storage tank is communicated with the air outlet end of the Roots blower, the high-pressure air storage tank is obliquely communicated to the feeding pipe positioned on the outer side of the furnace body through an air inlet pipe, an auxiliary air inlet pipe is further communicated with the high-pressure air storage tank, and the auxiliary air inlet pipe is fixedly arranged on the furnace body.
7. A sulfur burner system for bromine production of claim 1 wherein: the gas supply pipe is provided with a combustion initial stage gas exhaust device, the combustion initial stage gas exhaust device comprises a gas exhaust pipe seat communicated with the gas supply pipe, a gas exhaust vertical pipe is arranged opposite to the gas exhaust pipe seat, a vertical pipe plugging device is connected between the gas exhaust pipe seat and the gas exhaust vertical pipe, and a gas exhaust transverse pipe is communicated with the top end of the gas exhaust vertical pipe.
8. The sulfur burner system for bromine production of claim 7 wherein: the vertical pipe plugging device comprises connecting flanges which are respectively and fixedly installed at the butt joint ends of the exhaust pipe seat and the exhaust vertical pipe, a vertical pipe plugging plate is clamped between the two connecting flanges, and detachable locking bolts penetrate through the two connecting flanges and the vertical pipe plugging plate.
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| CN201811056033.2A CN108975282B (en) | 2018-09-11 | 2018-09-11 | Sulfur incinerator system for bromine production |
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