CN206494907U - A kind of new pressurized fixed bed gasification liquid state slag discharging device - Google Patents
A kind of new pressurized fixed bed gasification liquid state slag discharging device Download PDFInfo
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- CN206494907U CN206494907U CN201720116678.5U CN201720116678U CN206494907U CN 206494907 U CN206494907 U CN 206494907U CN 201720116678 U CN201720116678 U CN 201720116678U CN 206494907 U CN206494907 U CN 206494907U
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- 239000002893 slag Substances 0.000 title claims abstract description 297
- 238000002309 gasification Methods 0.000 title claims abstract description 95
- 239000007788 liquid Substances 0.000 title claims abstract description 84
- 238000007599 discharging Methods 0.000 title claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 137
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 239000003063 flame retardant Substances 0.000 claims abstract description 32
- 239000003818 cinder Substances 0.000 claims description 28
- 230000003628 erosive effect Effects 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 229910006295 Si—Mo Inorganic materials 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 210000002445 nipple Anatomy 0.000 claims description 7
- 238000012806 monitoring device Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
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- 230000008018 melting Effects 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000003245 coal Substances 0.000 description 10
- 239000003575 carbonaceous material Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000011280 coal tar Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 238000010079 rubber tapping Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
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- 210000000867 larynx Anatomy 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model is related to a kind of new pressurized fixed bed gasification liquid state slag discharging device, the primary furnace includes burning burner, slag area chuck and slag area flame retardant coating, the slagging channel is provided with slag inlet and slag notch, the slag inlet connects the lower inside surface of slag area flame retardant coating, the slag notch connects dreg cooling chamber, gap bridge electric tracing rod is installed on the slagging channel, the bottom of the dreg cooling chamber is connected by crossing slag passage with the bottom of slag bath, and be internally provided with condensate liquid, the dreg cooling chamber dreg cooling chamber's pressure device is installed.By installing slagging channel on primary furnace lower sides, it is to avoid the slag liquid level too high harm to gasifying furnace nozzle system；By setting gap bridge electric tracing rod on slagging channel, liquid slag is passed through slag notch and enter dreg cooling chamber；By controlling dreg cooling chamber's pressure and dreg cooling chamber and slag bath liquid level difference, prevent slagging channel from blocking.
Description
Technical field
The utility model is related to coal gasification field, more particularly to a kind of new pressurized fixed bed gasification slag tap
Device.
Background technology
Coal gasification process be using coal or coal tar and other carbon-containing fuels as raw material, with oxygen (air, oxygen-enriched or pure oxygen),
Vapor or hydrogen etc. make gasifying agent (or gasifying medium), under the high temperature conditions by chemically reacting coal or coal tar and other
Combustible constituent in carbon-containing fuel is converted into the process of coal gas.The device that coal or coal tar and other carbon-containing fuels are gasified is claimed
For gasification furnace, by the form of gasification furnace, coal gasification process can be divided into three major types, i.e. fixed bed gasification (or moving bed), stream
Change bed gasification and entrained flow gasification, fixed bed gasification technology gasifies according to the different fixed bed dry ash extractions that are divided into of deslagging mode again
Technology and fixed bed slag tap gasification technology (also known as fixed bed slag gasification technology).
Patent No. CN205368268U, the applying date is 2016.01.27, discloses a kind of BGL broken coals slag pressurized gasification
Cinder notch under stove, it is characterised in that including the cast, copper body (1) with slag passage, cooling water coil is provided with cast, copper body (1)
(2), cooling water coil (2) is risen to the entrance of slag passage in flaring cone angle helix by the outlet of slag passage.The patent
By being cooled down to lower cinder notch, the deformation of lower cinder notch and surface tortoise under the conditions of solution high temperature, condition of high voltage and reducing atmosphere
Problem is split, gasification furnace normal operation for a long time is ensured, improves the service life of lower cinder notch.
Patent No. CN201971797U, the applying date is 2010.12.30, discloses a kind of fixed bed slag gasification furnace
Slag-discharging device, including slag-discharging device body, supporting plate are placed on the row of offering in the middle part of the slag-discharging device outer body, the slag-discharging device body
Cinder notch, slag-drip opening includes upper opening and lower openings, it is characterised in that：Coil pipe is embedded with the slag-discharging device body, it is described
Coil pipe is helical structure, is from top to bottom spiraled around slag-drip opening, under upper opening coiled coil to the slag-drip opening of slag-drip opening
Portion openend, the coil pipe is connected close to upper opening one end of slag-drip opening with feed tube, and the coil pipe is under slag-drip opening
Portion's open at one end is connected with drain pipe.The patent by high-thermal conductive metal coil pipe from top to bottom coiled coil in slag-discharging device body
It is interior, cooling fluid is cooled down the highest temperature area above slag-drip opening at first, cooling effect is obvious.
It is exactly slag mouthful molten slag liquid level and deslagging that above-mentioned two kinds of slag tapping boilers of patent are most rambunctious, slightly not
It is careful, it may result in lower cinder notch and block, the rise of slag liquid level causes nozzle clarinet, so as to stop in emergency, molten slag removal digs the week of stove
Phase, at 7-14 days, considerably increases the maintenance cost of fixed bed slag tapping boiler.
Patent No. CN203144120U, the applying date is 2013.03.15, discloses a kind of boiling chloridizing furnace continuously closed
Slag-draining device, including the scum pipe being connected with the slag-drip opening of chlorination furnace, the other end of scum pipe are connected with guide wire, guiding
Pipe side wall is provided with nitrogen interface, it is characterised in that the continuous closed slag-discharging device also includes closed deslagging pans, deslagging
Tundish bottom is connected by pipeline with slag tank top, and the pipeline is provided with the top of push-pull valve, deslagging pans and slag
Tank top, which is respectively arranged with, takes out waste gas interface, and guide wire is connected by connecting tube with deslagging pans；It is provided with guide wire
High-temperature valve, high-temperature valve is located between nitrogen interface and connecting tube.The patent can effectively reduce the harmful gas being mixed in clinker
Body, it is to avoid the diffusion of mixed gas in chlorination furnace clinker dust and slag.
Slag is easily condensed when by guide wire in above-mentioned patent, is easily blocked guide wire, is prevented liquid slag from smooth
Dreg cooling chamber is entered by guide wire.
Patent No. CN102492474A, the applying date is 2011.11.30, discloses a kind of gasification furnace, it is characterised in that
Including：Bottom with furnace chamber and the body of heater in body of heater, the body of heater has lime-ash outlet；With damp type slag-discharging device, it is described
The lime-ash outlet of damp type slag-discharging device and the body of heater, for discharging the lime-ash in the furnace chamber.The patent passes through in ash
Slag exit is provided with damp type slag-discharging device, due to there is certain resistance in damp type slag-discharging device, can be achieved from body of heater to big
The pressure-reducing cushioning of gas, by the discharge of the lime-ash in body of heater continuously or intermittently, compared with traditional slag lock system, damp type deslagging
Device is simple in construction, and cost is low, controls and simple to operate, equipment failure rate is low.
Due to the furnace pressure fluctuation that interval deslagging can be caused in above-mentioned patent, such as stablize the pressure in gasification furnace stove not in time
Power, pressurized gasification furnace pressure it is unstable, cause slag-drip opening easily to block, residue extraction mechanism is more and letting cinder control flow is complicated asks
Topic.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art to fix there is provided a kind of new pressurized
Bed gasification of liquid slag-draining device, the device can prevent the too high harm to gasifying furnace nozzle system of slag liquid level, improve system
Operation stability, reduces maintenance cost, and liquid slag can pass through guide wire and enter dreg cooling chamber；Pressure in stable gasification furnace stove
Power, it is ensured that slag is unobstructed by slagging channel.
To achieve the above object, the technical solution adopted in the utility model is as follows.
A kind of new pressurized fixed bed gasification liquid state slag discharging device, including primary furnace, slagging channel, dreg cooling chamber and slag bath,
It is characterized in that：The primary furnace includes burning burner, slag area chuck and slag area flame retardant coating, and the slagging channel is provided with
Slag inlet and slag notch, the slag inlet connect the lower inside surface of slag area flame retardant coating, and the slag notch connects dreg cooling chamber, institute
It is 1-89 ° that the center line of slagging channel, which is stated, with the downward angle of primary furnace wall, and the electric companion of gap bridge is provided with the slagging channel
Hot pin, the bottom of the dreg cooling chamber is connected by crossing slag passage with the bottom of slag bath, and is internally provided with condensate liquid, the cold slag
The liquid level difference of room and slag bath inner condensat liquid is to be provided with dreg cooling chamber's pressure device in H, the dreg cooling chamber, passes through dreg cooling chamber's pressure device pair
Dreg cooling chamber's increase and decrease pressure is so as to control the H values of liquid level difference.
The quantity of the burning burner is 4-8.
The slag area flame retardant coating is high chromium firebrick protective lining.
The slag area chuck is water-cooling jacket.
The slagging channel is a long narrow laryngeal inlet, and inwall is resistant to elevated temperatures refractory liner.
Insert in gap bridge electric tracing rod, be provided between slagging channel and gap bridge the electric tracing rod on the slagging channel
Deslagging is passed a bridge, and gap bridge electric tracing is Si-Mo rod electrical heating heat tracing pipe.
Lower cinder notch is installed, the lower cinder notch is detachable high temperature resistant pipe nipple on the slag notch, the lower cinder notch with
Slagging channel center line has the angle tilted down, and the angle is 1-10 °.
The dreg cooling chamber of dreg cooling chamber is closed vessel, and upper and lower part separation structure respectively, and part-structure is in the dreg cooling chamber
Cylindrical steel containers, dreg cooling chamber's substructure is inclined slope.
Pressure sensor is set in the dreg cooling chamber, and the pressure sensor is connected with dreg cooling chamber pressure device, the slag bath
With setting the poor monitoring device of Coolant-Level in dreg cooling chamber.
Described cross at slag passage is provided with dragveyer.
Using the utility model has the advantage of.
1st, by installing slagging channel on primary furnace lower sides, the center line of slagging channel and primary furnace wall to
Lower angle is 1-89 °, it is to avoid the slag liquid level too high harm to gasifying furnace nozzle system, is keeping slag tap process advantage
While can reduce system investments, improve system run all right, reduce maintenance cost；By being set on slagging channel
Bridge electric tracing rod, to control temperature in slagging channel, prevents slag from being condensed when by slagging channel, liquid slag is smoothly led to
Cross slag notch and enter dreg cooling chamber；By controlling dreg cooling chamber's pressure and dreg cooling chamber and slag bath liquid level difference, so as to control in tapping process
The furnace pressure that gasifies is stable and higher than normal pressure, efficiently solves the furnace pressure fluctuation that gasification furnace interval deslagging is caused, the row of preventing
Slag channel blockage.
2nd, by the quantity for the burning burner for setting 4-8, gone into operation baker burner for providing fixed-bed gasification furnace, and
Pure oxygen and water vapour required for carbonaceous material fusion and gasification, strengthen the combustible constituent in coal or coal tar and other carbon-containing fuels
It is converted into the process of coal gas.
3rd, by the slag area flame retardant coating of high chromium firebrick protective lining, make slag area flame retardant coating that there is high temperature resistant and refractory
Slag erosion.
4th, by setting the slag area chuck of water-cooling jacket, using energy cascade, to reduce the external thermal losses of gasification furnace.
5th, by the slagging channel of resistant to elevated temperatures refractory liner, make slagging channel that there is high temperature resistant and resistance to slag erosion.
6th, by Si-Mo rod electrical heating heat tracing pipe, temperature in control slagging channel, it is ensured that slag is with 0.1m/s-1.0m/s's
Speed, slag in slagging channel is heated and the flowing velocity of molten slag is controlled.
7th, by using the lower cinder notch of detachable high temperature resistant pipe nipple, convenient disassembly, and pass through lower cinder notch 7 and slagging channel
4 center lines set the angle of 1 ° -10 ° of inclination, facilitate slag to flow into dreg cooling chamber.
8th, there is diagonally downward domatic by dreg cooling chamber bottom, be conducive to solid glass matter lime-ash after cooling to transport downwards
It is dynamic.
9th, by pressure sensor and aqueous potential difference monitoring device, it is easy to control dreg removing system pressure stability.
10th, it is easy to discharge waste residue out of dreg cooling chamber and slag bath by dragveyer.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Marked in figure：1st, burn burner, and 2, slag area chuck, 3, slag area flame retardant coating, 4, slagging channel, 5, deslagging mistake
Bridge, 6, gap bridge electric tracing rod, 7, lower cinder notch, 8, dreg cooling chamber, 9, cross slag passage, 10, slag bath, 11, dragveyer, 12, liquid level difference,
13rd, dreg cooling chamber's pressure device.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of new pressurized fixed bed gasification liquid state slag discharging device, including it is primary furnace, slagging channel 4, cold
Grit chamber 8 and slag bath 10, the primary furnace include burning burner 1, slag area chuck 2 and slag area flame retardant coating 3, the slagging channel
4 are provided with slag inlet and slag notch, and the slag inlet connects the lower inside surface of slag area flame retardant coating 3, the slag notch connection
Dreg cooling chamber 8, the center line of the slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are pacified on the slagging channel 4
Equipped with gap bridge electric tracing rod 6, the bottom of the dreg cooling chamber 8 is connected by crossing slag passage 9 with the bottom of slag bath 10, and internal setting
There is a condensate liquid, the liquid level difference 12 of the dreg cooling chamber 8 and the inner condensat liquid of slag bath 10 is that dreg cooling chamber's pressure is provided with H, the dreg cooling chamber 8
Power device 13, dreg cooling chamber's pressure device 13 have pressurization and decompression function, by dreg cooling chamber's pressure device 13 to dreg cooling chamber 8 increase and decrease pressure from
And control the H values of liquid level difference 12.
Carbonaceous material fires in the melter of slag gasification furnace with the oxygen and water vapour from the burning feeding of burner 1
The a series of physical such as burning, gasification, pyrolysis, ash melting chemically react, and the synthesis gas of generation enters burner hearth from primary furnace top, high
The molten slag that temperature melting is produced is flowed into melter, and when reacting to a certain extent, slag liquid level is higher than sidepiece in melter
Slagging channel 4 when, flow into slagging channel 4, heated by sidepiece gap bridge electric tracing rod 6 so that temperature is in ash in slagging channel 4
More than slag melting fusing point, it is to avoid slag is condensed, then molten slag enters deslagging by slag-drip opening by certain rate of outflow and led to
In road 4, it is drained into again in dreg cooling chamber from the molten slag of the interior outflow of slagging channel 4, while can also be by controlling molten slag
Temperature control the rate of outflow of molten ash, when the device bed drain purge is low, by reducing the power of gap bridge electric tracing rod 6,
So that molten ash temperature is reduced in slagging channel 4, viscosity becomes big, and flow velocity is slack-off, and the present apparatus passes through slag bath liquid with external environment condition
Position carries out fluid-tight, when gasification reaction is carried out, is monitored by dreg cooling chamber's pressure device 13, and pass through the liquid level of slag bath 10 and cold slag
The water-head of the liquid level of room 8 controls the stabilization of pressure difference in primary furnace and dreg cooling chamber 8, it is ensured that 8 pressure are less than gasification furnace in dreg cooling chamber
Slag chamber pressure, flows so as to facilitate the slag in gasification furnace primary furnace smoothly to flow under the effect of the pressure in 8 in grit chamber
Enter, while prevent that slag is back to the phenomenon of primary furnace, and 8 in grit chamber in pressure be higher than ambient exterior atmospheric pressure, by molten
Slagging channel 4 is installed, the center line of slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are kept away on grit chamber's lower sides
The too high harm to gasifying furnace nozzle system of slag liquid level is exempted from, system can be reduced while slag tap process advantage is kept
Investment, improves system run all right, reduces maintenance cost；By setting gap bridge electric tracing rod 6 on slagging channel 4, with
Temperature in slagging channel 4 is controlled, prevents slag from being condensed when by slagging channel 4, liquid slag is passed through slag notch and enter
Enter dreg cooling chamber 8；By controlling the pressure of dreg cooling chamber 8 and dreg cooling chamber 8 and the liquid level difference of slag bath 10, so as to control gasification furnace in tapping process
Interior pressure stability and higher than normal pressure, efficiently solves the furnace pressure fluctuation that gasification furnace interval deslagging is caused, prevents slagging channel
Block, while pressure amplitude is fluctuated during preventing gasification furnace internal cause protrusion, do not result in the fluctuation of gasification in-furnace temperature, from
And avoid gasification in-furnace temperature is too high causes the scaling loss of slag area flame retardant coating 3, it also avoid the too low deslagging of gasification in-furnace temperature and lead to
Road 4 is blocked or can not melt solid slag.
Embodiment 2
As shown in figure 1, a kind of new pressurized fixed bed gasification liquid state slag discharging device, including it is primary furnace, slagging channel 4, cold
Grit chamber 8 and slag bath 10, the primary furnace include burning burner 1, slag area chuck 2 and slag area flame retardant coating 3, the slagging channel
4 are provided with slag inlet and slag notch, and the slag inlet connects the lower inside surface of slag area flame retardant coating 3, the slag notch connection
Dreg cooling chamber 8, the center line of the slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are pacified on the slagging channel 4
Equipped with gap bridge electric tracing rod 6, the bottom of the dreg cooling chamber 8 is connected by crossing slag passage 9 with the bottom of slag bath 10, and internal setting
There is a condensate liquid, the liquid level difference 12 of the dreg cooling chamber 8 and the inner condensat liquid of slag bath 10 is that dreg cooling chamber's pressure is provided with H, the dreg cooling chamber 8
Power device 13, dreg cooling chamber's pressure device have pressurization and decompression function, by dreg cooling chamber's pressure device 13 to dreg cooling chamber 8 increase and decrease pressure so as to
Control the H values of liquid level difference 12.
The quantity of the burning burner 1 is 4-8.
The slag area flame retardant coating 3 is the high chromium firebrick protective lining of high temperature resistant and resistance to slag erosion.
The slag area chuck 2 is water-cooling jacket.
The slagging channel 4 is a long narrow laryngeal inlet, and inwall is resistant to elevated temperatures refractory liner.
Carbonaceous material fires in the melter of slag gasification furnace with the oxygen and water vapour from the burning feeding of burner 1
The a series of physical such as burning, gasification, pyrolysis, ash melting chemically react, and the synthesis gas of generation enters burner hearth from primary furnace top, high
The molten slag that temperature melting is produced is flowed into melter, and when reacting to a certain extent, slag liquid level is higher than sidepiece in melter
Slagging channel 4 when, flow into slagging channel 4, heated by sidepiece gap bridge electric tracing rod 6 so that temperature is in ash in slagging channel 4
More than slag melting fusing point, it is to avoid slag is condensed, then molten slag enters deslagging by slag-drip opening by certain rate of outflow and led to
In road 4, it is drained into again in dreg cooling chamber from the molten slag of the interior outflow of slagging channel 4, while can also be by controlling molten slag
Temperature control the rate of outflow of molten ash, when the device bed drain purge is low, by reducing the power of gap bridge electric tracing rod 6,
So that molten ash temperature is reduced in slagging channel 4, viscosity becomes big, and flow velocity is slack-off, and the present apparatus passes through slag bath liquid with external environment condition
Position carries out fluid-tight, when gasification reaction is carried out, is monitored by dreg cooling chamber's pressure device 13, and pass through the liquid level of slag bath 10 and cold slag
The water-head of the liquid level of room 8 controls the stabilization of pressure difference in primary furnace and dreg cooling chamber 8, it is ensured that 8 pressure are less than gasification furnace in dreg cooling chamber
Slag chamber pressure, flows so as to facilitate the slag in gasification furnace primary furnace smoothly to flow under the effect of the pressure in 8 in grit chamber
Enter, while prevent that slag is back to the phenomenon of primary furnace, and 8 in grit chamber in pressure be higher than ambient exterior atmospheric pressure, by molten
Slagging channel 4 is installed, the center line of slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are kept away on grit chamber's lower sides
The too high harm to gasifying furnace nozzle system of slag liquid level is exempted from, system can be reduced while slag tap process advantage is kept
Investment, improves system run all right, reduces maintenance cost；By setting gap bridge electric tracing rod 6 on slagging channel 4, with
Temperature in slagging channel 4 is controlled, prevents slag from being condensed when by slagging channel 4, liquid slag is passed through slag notch and enter
Enter dreg cooling chamber 8；By controlling the pressure of dreg cooling chamber 8 and dreg cooling chamber 8 and the liquid level difference of slag bath 10, so as to control gasification furnace in tapping process
Interior pressure stability and higher than normal pressure, efficiently solves the furnace pressure fluctuation that gasification furnace interval deslagging is caused, prevents slagging channel
Block, while pressure amplitude is fluctuated during preventing gasification furnace internal cause protrusion, do not result in the fluctuation of gasification in-furnace temperature, from
And avoid gasification in-furnace temperature is too high causes the scaling loss of slag area flame retardant coating 3, it also avoid the too low deslagging of gasification in-furnace temperature and lead to
Road 4 is blocked or can not melt solid slag.
By the quantity for the burning burner 1 for setting 4-8, gone into operation baker burner 1 for providing fixed-bed gasification furnace, and
Pure oxygen and water vapour required for carbonaceous material fusion and gasification, strengthen the combustible constituent in coal or coal tar and other carbon-containing fuels
It is converted into the process of coal gas.
By the slag area flame retardant coating 3 of high chromium firebrick protective lining, make slag area flame retardant coating 3 that there is high temperature resistant and refractory
Slag erosion.
By setting the slag area chuck of water-cooling jacket 2, using energy cascade, to reduce the external thermal losses of gasification furnace.
By the slagging channel 4 of resistant to elevated temperatures refractory liner, make slagging channel 4 that there is high temperature resistant and resistance to slag erosion, and
Slag inlet on slagging channel 4 is set to obliquely horn-like, and horn-like slagging channel diagonally downward is a long narrow larynx
Portion's passage, it is to avoid the completely plugged slag-drip opening of the bed of material of addition makes slag not flow out, can also prevent the unreacted carbon residue of furnace bottom with
Slag is brought into dreg cooling chamber 8 together.
Embodiment 3
As shown in figure 1, a kind of new pressurized fixed bed gasification liquid state slag discharging device, including it is primary furnace, slagging channel 4, cold
Grit chamber 8 and slag bath 10, the primary furnace include burning burner 1, slag area chuck 2 and slag area flame retardant coating 3, the slagging channel
4 are provided with slag inlet and slag notch, and the slag inlet connects the lower inside surface of slag area flame retardant coating 3, the slag notch connection
Dreg cooling chamber 8, the center line of the slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are pacified on the slagging channel 4
Equipped with gap bridge electric tracing rod 6, the bottom of the dreg cooling chamber 8 is connected by crossing slag passage 9 with the bottom of slag bath 10, and internal setting
There is a condensate liquid, the liquid level difference 12 of the dreg cooling chamber 8 and the inner condensat liquid of slag bath 10 is that dreg cooling chamber's pressure is provided with H, the dreg cooling chamber 8
Power device 13, dreg cooling chamber's pressure device have pressurization and decompression function, by dreg cooling chamber's pressure device 13 to dreg cooling chamber 8 increase and decrease pressure so as to
Control the H values of liquid level difference 12.
The quantity of the burning burner 1 is 4-8.
The slag area flame retardant coating 3 is the high chromium firebrick protective lining of high temperature resistant and resistance to slag erosion.
The slag area chuck 2 is water-cooling jacket.
The slagging channel 4 is a long narrow laryngeal inlet, and inwall is resistant to elevated temperatures refractory liner.
Insert in gap bridge electric tracing rod 6, pacify between slagging channel 4 and gap bridge the electric tracing rod 6 on the slagging channel 4
Equipped with deslagging gap bridge 5, gap bridge electric tracing 6 is stated for Si-Mo rod electrical heating heat tracing pipe.
Lower cinder notch 7 is installed, the lower cinder notch 7 is detachable high temperature resistant pipe nipple, the lower cinder notch 7 on the slag notch
There is the angle tilted down with the center line of slagging channel 4, the angle is 1-10 °.
Dreg cooling chamber of the dreg cooling chamber 8 is closed vessel, and upper and lower part separation structure respectively, part-structure in the dreg cooling chamber 8
For cylindrical steel containers, the substructure of dreg cooling chamber 8 is inclined slope.
Carbonaceous material fires in the melter of slag gasification furnace with the oxygen and water vapour from the burning feeding of burner 1
The a series of physical such as burning, gasification, pyrolysis, ash melting chemically react, and the synthesis gas of generation enters burner hearth from primary furnace top, high
The molten slag that temperature melting is produced is flowed into melter, and when reacting to a certain extent, slag liquid level is higher than sidepiece in melter
Slagging channel 4 when, flow into slagging channel 4, heated by sidepiece gap bridge electric tracing rod 6 so that temperature is in ash in slagging channel 4
More than slag melting fusing point, it is to avoid slag is condensed, then molten slag enters deslagging by slag-drip opening by certain rate of outflow and led to
In road 4, it is drained into again in dreg cooling chamber from the molten slag of the interior outflow of slagging channel 4, while can also be by controlling molten slag
Temperature control the rate of outflow of molten ash, when the device bed drain purge is low, by reducing the power of gap bridge electric tracing rod 6,
So that molten ash temperature is reduced in slagging channel 4, viscosity becomes big, and flow velocity is slack-off, and the present apparatus passes through slag bath liquid with external environment condition
Position carries out fluid-tight, when gasification reaction is carried out, is monitored by dreg cooling chamber's pressure device 13, and pass through the liquid level of slag bath 10 and cold slag
The water-head of the liquid level of room 8 controls the stabilization of pressure difference in primary furnace and dreg cooling chamber 8, it is ensured that 8 pressure are less than gasification furnace in dreg cooling chamber
Slag chamber pressure, flows so as to facilitate the slag in gasification furnace primary furnace smoothly to flow under the effect of the pressure in 8 in grit chamber
Enter, while prevent that slag is back to the phenomenon of primary furnace, and 8 in grit chamber in pressure be higher than ambient exterior atmospheric pressure, by molten
Slagging channel 4 is installed, the center line of slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are kept away on grit chamber's lower sides
The too high harm to gasifying furnace nozzle system of slag liquid level is exempted from, system can be reduced while slag tap process advantage is kept
Investment, improves system run all right, reduces maintenance cost；By setting gap bridge electric tracing rod 6 on slagging channel 4, with
Temperature in slagging channel 4 is controlled, prevents slag from being condensed when by slagging channel 4, liquid slag is passed through slag notch and enter
Enter dreg cooling chamber 8；By controlling the pressure of dreg cooling chamber 8 and dreg cooling chamber 8 and the liquid level difference of slag bath 10, so as to control gasification furnace in tapping process
Interior pressure stability and higher than normal pressure, efficiently solves the furnace pressure fluctuation that gasification furnace interval deslagging is caused, prevents slagging channel
Block, while pressure amplitude is fluctuated during preventing gasification furnace internal cause protrusion, do not result in the fluctuation of gasification in-furnace temperature, from
And avoid gasification in-furnace temperature is too high causes the scaling loss of slag area flame retardant coating 3, it also avoid the too low deslagging of gasification in-furnace temperature and lead to
Road 4 is blocked or can not melt solid slag.
By the quantity for the burning burner 1 for setting 4-8, gone into operation baker burner 1 for providing fixed-bed gasification furnace, and
Pure oxygen and water vapour required for carbonaceous material fusion and gasification, strengthen the combustible constituent in coal or coal tar and other carbon-containing fuels
It is converted into the process of coal gas.
By the slag area flame retardant coating 3 of high chromium firebrick protective lining, make slag area flame retardant coating 3 that there is high temperature resistant and refractory
Slag erosion.
By setting the slag area chuck of water-cooling jacket 2, using energy cascade, to reduce the external thermal losses of gasification furnace.
By the slagging channel 4 of resistant to elevated temperatures refractory liner, make slagging channel 4 that there is high temperature resistant and resistance to slag erosion, and
Slag inlet on slagging channel 4 is set to obliquely horn-like, and horn-like slagging channel diagonally downward is a long narrow larynx
Portion's passage, it is to avoid the completely plugged slag-drip opening of the bed of material of addition makes slag not flow out, can also prevent the unreacted carbon residue of furnace bottom with
Slag is brought into dreg cooling chamber 8 together.
When needing unlatching slag to drain process, increase Si-Mo rod electric heater capacity so that temperature is high in slagging channel 4
In 50 DEG C -100 DEG C of slag freezing point, molten slag smoothly flows out out of slagging channel, then is drained into dreg cooling chamber by lower cinder notch
It is interior, by Si-Mo rod electrical heating heat tracing pipe, temperature in control slagging channel 4, it is ensured that slag with 0.1m/s-1.0m/s speed,
Slag in slagging channel 4 is heated and the flowing velocity of molten slag is controlled.
By using the lower cinder notch 7 of detachable high temperature resistant pipe nipple, convenient disassembly, and pass through lower cinder notch 7 and slagging channel 4
Center line sets the angle of 1 ° -10 ° of inclination, facilitates slag to flow into dreg cooling chamber.
There is diagonally downward domatic by dreg cooling chamber bottom, be conducive to solid glass matter lime-ash after cooling to transport downwards
It is dynamic.
Embodiment 4
As shown in figure 1, a kind of new pressurized fixed bed gasification liquid state slag discharging device, including it is primary furnace, slagging channel 4, cold
Grit chamber 8 and slag bath 10, the primary furnace include burning burner 1, slag area chuck 2 and slag area flame retardant coating 3, the slagging channel
4 are provided with slag inlet and slag notch, and the slag inlet connects the lower inside surface of slag area flame retardant coating 3, the slag notch connection
Dreg cooling chamber 8, the center line of the slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are pacified on the slagging channel 4
Equipped with gap bridge electric tracing rod 6, the bottom of the dreg cooling chamber 8 is connected by crossing slag passage 9 with the bottom of slag bath 10, and internal setting
There is a condensate liquid, the liquid level difference 12 of the dreg cooling chamber 8 and the inner condensat liquid of slag bath 10 is that dreg cooling chamber's pressure is provided with H, the dreg cooling chamber 8
Power device 13, dreg cooling chamber's pressure device have pressurization and decompression function, by dreg cooling chamber's pressure device 13 to dreg cooling chamber 8 increase and decrease pressure so as to
Control the H values of liquid level difference 12.
The quantity of the burning burner 1 is 4-8.
The slag area flame retardant coating 3 is the high chromium firebrick protective lining of high temperature resistant and resistance to slag erosion.
The slag area chuck 2 is water-cooling jacket.
The slagging channel 4 is a long narrow laryngeal inlet, and inwall is resistant to elevated temperatures refractory liner.
Insert in gap bridge electric tracing rod 6, pacify between slagging channel 4 and gap bridge the electric tracing rod 6 on the slagging channel 4
Equipped with deslagging gap bridge 5, gap bridge electric tracing 6 is stated for Si-Mo rod electrical heating heat tracing pipe.
Lower cinder notch 7 is installed, the lower cinder notch 7 is detachable high temperature resistant pipe nipple, the lower cinder notch 7 on the slag notch
There is the angle tilted down with the center line of slagging channel 4, the angle is 1-10 °.
Dreg cooling chamber of the dreg cooling chamber 8 is closed vessel, and upper and lower part separation structure respectively, part-structure in the dreg cooling chamber 8
For cylindrical steel containers, the substructure of dreg cooling chamber 8 is inclined slope.
8 set pressure sensor in the dreg cooling chamber, and the pressure sensor is connected with dreg cooling chamber pressure device 13, the slag
Pond 10 is with setting the poor monitoring device of Coolant-Level in dreg cooling chamber 8.
Described cross at slag passage 9 is provided with dragveyer 11.
Carbonaceous material fires in the melter of slag gasification furnace with the oxygen and water vapour from the burning feeding of burner 1
The a series of physical such as burning, gasification, pyrolysis, ash melting chemically react, and the synthesis gas of generation enters burner hearth from primary furnace top, high
The molten slag that temperature melting is produced is flowed into melter, and when reacting to a certain extent, slag liquid level is higher than sidepiece in melter
Slagging channel 4 when, flow into slagging channel 4, heated by sidepiece gap bridge electric tracing rod 6 so that temperature is in ash in slagging channel 4
More than slag melting fusing point, it is to avoid slag is condensed, then molten slag enters deslagging by slag-drip opening by certain rate of outflow and led to
In road 4, it is drained into again in dreg cooling chamber from the molten slag of the interior outflow of slagging channel 4, while can also be by controlling molten slag
Temperature control the rate of outflow of molten ash, when the device bed drain purge is low, by reducing the power of gap bridge electric tracing rod 6,
So that molten ash temperature is reduced in slagging channel 4, viscosity becomes big, and flow velocity is slack-off, and the present apparatus passes through slag bath liquid with external environment condition
Position carries out fluid-tight, when gasification reaction is carried out, is monitored by dreg cooling chamber's pressure device 13, and pass through the liquid level of slag bath 10 and cold slag
The water-head of the liquid level of room 8 controls the stabilization of pressure difference in primary furnace and dreg cooling chamber 8, it is ensured that 8 pressure are less than gasification furnace in dreg cooling chamber
Slag chamber pressure, flows so as to facilitate the slag in gasification furnace primary furnace smoothly to flow under the effect of the pressure in 8 in grit chamber
Enter, while prevent that slag is back to the phenomenon of primary furnace, and 8 in grit chamber in pressure be higher than ambient exterior atmospheric pressure, by molten
Slagging channel 4 is installed, the center line of slagging channel 4 and the downward angle of primary furnace wall are 1-89 °, are kept away on grit chamber's lower sides
The too high harm to gasifying furnace nozzle system of slag liquid level is exempted from, system can be reduced while slag tap process advantage is kept
Investment, improves system run all right, reduces maintenance cost；By setting gap bridge electric tracing rod 6 on slagging channel 4, with
Temperature in slagging channel 4 is controlled, prevents slag from being condensed when by slagging channel 4, liquid slag is passed through slag notch and enter
Enter dreg cooling chamber 8；By controlling the pressure of dreg cooling chamber 8 and dreg cooling chamber 8 and the liquid level difference of slag bath 10, so as to control gasification furnace in tapping process
Interior pressure stability and higher than normal pressure, efficiently solves the furnace pressure fluctuation that gasification furnace interval deslagging is caused, prevents slagging channel
Block, while pressure amplitude is fluctuated during preventing gasification furnace internal cause protrusion, do not result in the fluctuation of gasification in-furnace temperature, from
And avoid gasification in-furnace temperature is too high causes the scaling loss of slag area flame retardant coating 3, it also avoid the too low deslagging of gasification in-furnace temperature and lead to
Road 4 is blocked or can not melt solid slag.
By the quantity for the burning burner 1 for setting 4-8, gone into operation baker burner 1 for providing fixed-bed gasification furnace, and
Pure oxygen and water vapour required for carbonaceous material fusion and gasification, strengthen the combustible constituent in coal or coal tar and other carbon-containing fuels
It is converted into the process of coal gas.
By the slag area flame retardant coating 3 of high chromium firebrick protective lining, make slag area flame retardant coating 3 that there is high temperature resistant and refractory
Slag erosion.
By setting the slag area chuck of water-cooling jacket 2, using energy cascade, to reduce the external thermal losses of gasification furnace.
By the slagging channel 4 of resistant to elevated temperatures refractory liner, make slagging channel 4 that there is high temperature resistant and resistance to slag erosion, and
Slag inlet on slagging channel 4 is set to obliquely horn-like, and horn-like slagging channel diagonally downward is a long narrow larynx
Portion's passage, it is to avoid the completely plugged slag-drip opening of the bed of material of addition makes slag not flow out, can also prevent the unreacted carbon residue of furnace bottom with
Slag is brought into dreg cooling chamber 8 together.
When needing unlatching slag to drain process, increase Si-Mo rod electric heater capacity so that temperature is high in slagging channel 4
In 50 DEG C -100 DEG C of slag freezing point, molten slag smoothly flows out out of slagging channel, then is drained into dreg cooling chamber by lower cinder notch
It is interior, by Si-Mo rod electrical heating heat tracing pipe, temperature in control slagging channel 4, it is ensured that slag with 0.1m/s-1.0m/s speed,
Slag in slagging channel 4 is heated and the flowing velocity of molten slag is controlled.
By using the lower cinder notch 7 of detachable high temperature resistant pipe nipple, convenient disassembly, and pass through lower cinder notch 7 and slagging channel 4
Center line sets the angle of 1 ° -10 ° of inclination, facilitates slag to flow into dreg cooling chamber.
There is diagonally downward domatic by dreg cooling chamber bottom, be conducive to solid glass matter lime-ash after cooling to transport downwards
It is dynamic.
By pressure sensor and aqueous potential difference monitoring device, it is easy to control dreg removing system pressure stability, stability contorting is cold
Grit chamber's pressure 13.
It is easy to discharge waste residue out of dreg cooling chamber 8 and slag bath 10 by dragveyer 11, is easy to collection and the row of solid-state lime-ash
Go out.
Embodiment described above only expresses the embodiment of the application, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the application protection domain can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, on the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (10)
1. a kind of new pressurized fixed bed gasification liquid state slag discharging device, including primary furnace, slagging channel（4）, dreg cooling chamber（8）And slag
Pond（10）, it is characterised in that：The primary furnace includes burning burner（1）, slag area chuck（2）With slag area flame retardant coating（3）, institute
State slagging channel（4）Slag inlet and slag notch are provided with, the slag inlet connects slag area flame retardant coating（3）Lower inside surface,
The slag notch connects dreg cooling chamber（8）, the slagging channel（4）The downward angle of center line and primary furnace wall be 1-89 °,
The slagging channel（4）On gap bridge electric tracing rod is installed（6）, the dreg cooling chamber（8）Bottom pass through cross slag passage（9）With slag
Pond（10）Bottom connection, and be internally provided with condensate liquid, the dreg cooling chamber（8）With slag bath（10）The liquid level difference of inner condensat liquid
（12）For H, the dreg cooling chamber（8）On dreg cooling chamber's pressure device is installed（13）, pass through dreg cooling chamber's pressure device（13）To dreg cooling chamber（8）
Increase and decrease pressure is so as to control liquid level difference（12）H values.
2. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The burning
Burner（1）Quantity be 4-8.
3. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The slag
Area's flame retardant coating（3）For high temperature resistant and the high chromium firebrick protective lining of resistance to slag erosion.
4. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The slag
Area's chuck（2）For water-cooling jacket.
5. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The deslagging
Passage（4）For a long narrow laryngeal inlet, inwall is resistant to elevated temperatures refractory liner.
6. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The deslagging
Passage（4）Upper insertion gap bridge electric tracing rod（6）It is interior, the slagging channel（4）With gap bridge electric tracing rod（6）Between deslagging is installed
Pass a bridge（5）, state gap bridge electric tracing（6）For Si-Mo rod electrical heating heat tracing pipe.
7. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：It is described to slag tap
Lower cinder notch is installed on mouthful（7）, the lower cinder notch（7）For detachable high temperature resistant pipe nipple, the lower cinder notch（7）With slagging channel
（4）Center line has the angle tilted down, and the angle is 1-10 °.
8. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The cold slag
Room（8）Dreg cooling chamber is closed vessel, and upper and lower part separation structure, the dreg cooling chamber respectively（8）Upper part-structure is cylindrical steel
Container, the dreg cooling chamber（8）Substructure is inclined slope.
9. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The cold slag
It is indoor（8）Pressure sensor, the pressure sensor and dreg cooling chamber's pressure device are set（13）Connection, the slag bath（10）With cold slag
Room（8）The interior poor monitoring device of setting Coolant-Level.
10. a kind of new pressurized fixed bed gasification liquid state slag discharging device as claimed in claim 1, it is characterised in that：The mistake
Slag passage（9）Place is provided with dragveyer（11）.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004943A (en) * | 2020-11-24 | 2021-06-22 | 绵阳全息能源技术产业有限公司 | Thermal value-containing waste fixed bed pyrolysis gasification melting slag discharging device |
| CN113739181A (en) * | 2021-08-19 | 2021-12-03 | 武汉武锅能源工程有限公司 | Liquid slag discharging furnace slag outlet on-line intelligent coke cleaning system and operation method thereof |
-
2017
- 2017-02-08 CN CN201720116678.5U patent/CN206494907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113004943A (en) * | 2020-11-24 | 2021-06-22 | 绵阳全息能源技术产业有限公司 | Thermal value-containing waste fixed bed pyrolysis gasification melting slag discharging device |
| CN113739181A (en) * | 2021-08-19 | 2021-12-03 | 武汉武锅能源工程有限公司 | Liquid slag discharging furnace slag outlet on-line intelligent coke cleaning system and operation method thereof |
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