CN204848780U - A device that is arranged in utilizing direct cooling to carry out release of carbon black water at gasification equipment - Google Patents
A device that is arranged in utilizing direct cooling to carry out release of carbon black water at gasification equipment Download PDFInfo
- Publication number
- CN204848780U CN204848780U CN201520029913.6U CN201520029913U CN204848780U CN 204848780 U CN204848780 U CN 204848780U CN 201520029913 U CN201520029913 U CN 201520029913U CN 204848780 U CN204848780 U CN 204848780U
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- CN
- China
- Prior art keywords
- carbon black
- water
- black water
- cooler
- described carbon
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/466—Entrained flow processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a device that is arranged in utilizing direct cooling to carry out release of carbon black water at gasification equipment, carbon black water appears as the surplus chilled water (chw) when the gasification of solid or liquid fuel's air -flowing type, wherein reaches 1900 DEG C in the temperature and realizes the gasification when reaching 10MPa with pressure, and wherein the carbon black glassware for drinking water has the same pressure and reaches 260 DEG C temperature, wherein carbon black water cool off in carbon black water chiller (2) be less than 85 DEG C the temperature and and then release in flash distillation container (3). According to the utility model discloses a system avoided loading the solid carbon black water traditionally essential, accompany the steam that the cooling produced and the multistage pressure decrease that takes place, the low interference that has realized carbon black water suspended solid with do not have the transportation of blockking up and can carry out good cleanness in case of necessity.
Description
Technical field
The utility model relates to a kind of device for release carbon black water, described carbon black water is at solid to remain quenched water appearance when but also the air-flowing type of liquid fuel within gasifies, wherein reaching 1900 DEG C in temperature and reach 10MPa(100bar with pressure) in time, realizes gasifying, and wherein carbon black water has identical pressure and reaches the temperature of 260 DEG C.
Background technology
Have different carbonizing degrees coal air-flowing type gasification time produce heat original gas and this occur liquid slag in chilling chamber by inject excessive quenched water suddenly cool.Slag condenses and discharges precipitation from quencher heap by order.Original gas according to the temperature vapors of pressure and appearance saturated leave chilling chamber.This unnecessary residue quenched water produced and the wash-down water loading liquid level that simultaneously produces from the first step of original gas rinser adjustably discharge from quencher and second or the third stage the middle release of flash system (Flashsystem) and connect cooling here.The carbon black water of cooling like this infiltrates condensing agent in carbon black water process, so that by precipitating and isolating solid in thickener (Eindicker)/sheet type cleaner (Lamellenkl rer), described dewater solids ground is discharged from described process.The clarification phase (Klarphase) of thickener/cleaner arrives circulating water container together with the condensing agent of the release steam from flash system, and wherein a part is discharged from described system in order to avoid concentrated in process water circulation there.Retained purify waste water process water circulation in lead back.This recirculated water is pressurized and be added to quenched water container, and described quenched water container is used as the receiving vessel of emergency cooling process.After carbon black water equipment, recirculated water has the temperature of 40 DEG C to 80 DEG C.In order to reach high steam gas ratio in original gas, make every effort to higher quenched water temperature and then also higher circulating water temperature.For this reason, only carry out from 0.8MPa to 0.3MPa(8bar to 3bar in the first flash distillation level) release.When this pressure, the steam of circulating water condensing should be utilized to have enough temperature to heat described recirculated water.
In design up to the present, as schematically illustrating in Figure 5, indirectly by Vaporizing cooling and the cooling being carried out the suspended substance (carbon black water) being loaded with solid by the steam of cooling/condensation low solid content, this has following advantage, and the liquid being namely loaded with solid does not in a large number contact with cooling surface and and then avoids further besmirching.Because described steam is also carry-on with fine particle and carbon black constitute, also occur besmirching phenomenon after longer duration of service in steam condenser (flash cooler 1,2).Heating cycle water in order to improve plant efficiency in vapor condensation requires higher pressure in the first flash system 3.1, and described pressure must correspondingly regulate.Second flash distillation level 3.2 works in a vacuum, to reach temperature dropping to 70 DEG C to 85 DEG C.Here with water coolant 21 condensed steam.There are relief valve, variable valve, water cooler and vacuum two flash distillation levels and cause the high mechanism's expense having and mean maintenance expense and fittings supply.
Utility model content
Problem of the present utility model is, provide the device for release carbon black water, this technical scheme avoids the carbon black water being loaded with solid on the one hand and multistage pressure occurs along with the cooling of the steam produced reduces, achieve on the other hand carbon black water suspended substance low interference and without blocking transport and can carry out good clean where necessary.
The problems referred to above by being resolved for the device of release carbon black water, wherein:
-described carbon black water occurs as residue quenched water when the air-flowing type gasification of solid or liquid fuel;
-gasification temperature reaching 1900 DEG C and the vapor pressure reaching 10MPa are provided in air-flowing type gasifier;
-carbon black water has described vapor pressure and reaches the temperature of 260 DEG C;
-arrange carbon black water water cooler (2), carbon black water to be cooled to the temperature lower than 85 DEG C; And
-and then carbon black water water cooler (2) arrange and be used for the flash chamber (3) of release carbon black water.
According to the utility model, only carry out cooling to the carbon black water lower than the carbon black water outlet temperature of 85 DEG C required from the temperature in ingress between 250 DEG C to 180 DEG C with a step in one mechanism, wherein use votator, spiral-tube heat exchange or double-tube heat exchanger as described mechanism.Minimize in the contact of this carbon black water 1 making to be loaded with solid to this mechanism, described mechanism obtains good clean if desired.
In order to implement all coolings in one step in an only mechanism 2, the described oiler feed 10 for cooling reaches the temperature of the temperature out of the expectation lower than carbon black water 1, and this can realize by precooler 4, cooling water cooler or air-cooler.Therefore, the carbon black water being loaded with solid reduces optional along with the secondary of the cooling of the steam produced or multistage pressure.
According in the special design of the one of Fig. 2, use pre-cooled recirculated water 5 for also by precooler 4, cooling water cooler or air-cooler cooling carbon black water 1, the carbon black water yield wherein to be cooled on the one hand and its temperature in and on the other hand recirculated water 5 available, to be led back and then there is certain relation between amount to be heated.
The utility model utilizes following effect, namely in said device in order to only minority or overall only passage/pipeline heat exchange in accumulation region, improves the flow velocity of carbon black water, reaches thus described in ablation and gather and and then self-cleaning.In order to by described stream being assigned to before heat exchanger face only one, two or to the heat exchange on considerably less passage or pipeline according to device of the present utility model, namely self-cleaning effect is reached, described self-cleaning effect is based on the following fact, namely the flow velocity improved is formed when forming blocking, so described flow velocity causes the ablation of blocking.Overall low interference and complete the transport of carbon black water suspended substance 1 without blocking.
According to another kind of technical scheme of the present utility model, when spiral-tube heat exchange especially, the possible not controlled assignment of traffic with subsidiary blocking or sedimentary carbon black current (1) can be avoided in multi-pipeline scheme, method be regulate each spiral tube separately through each flash distillation device (11) alone and and then can control in each pipeline pointedly precipitation with corrode between the velocity range that requires, wherein so realize the design of spiral tube, namely each spiral occupies identical length.Additionally, this has following advantage, namely also can consider redundancy, which ensure that the operability of the needs of equipment.In another kind of design, when abandoning being used in the distribution member between chilling chamber (13) and heat exchanger (2), each spiral tube can be connected on the chilling chamber of gasifier individually, and that is on chilling chamber, the quantity of carbon black water outlet (13) equals the quantity of spiral tube.Thus from chilling chamber (13) until flasher (3) exists the direct path without dead band and branch.
According in another kind of design of the present utility model, spiral tube structure is so arranged, thus such as shown in Figure 3 by the arranged concentric of spiral tube, each spiral tube can be extracted out from heat exchanger individually to Shangdi, and described mechanism shows easy to maintenance with this.
According in another kind of design of the present utility model, carbon black water water cooler (2) is so designed to spiral-tube heat exchange, thus not only for carbon black water (1), also spiral helicine flow condition shown for recirculated water (5) and and then realize heat exchange according to counter-current principle.Realize in recirculated water side (5) this special tangential inflow by recirculated water upper and outflow, on carbon black water side, this is pre-determined by pipeline geometry.
According in another kind of design of the present utility model, so realize carbon black water water cooler (2) and be assembled into spiral-tube heat exchange, thus from chilling chamber tube stub (13) until the complete carbon black water path (1) of flash chamber (3) is always the trend that declines.
According to a kind of technical scheme of the present utility model, in order to clean or in order to minimize described attachment, determining ground by carbonate deposition, arranging pickling loop carbon black water water cooler (2) is upper, can cleaning heat exchanger face when shutdown during this period with this.
According to a kind of technical scheme of the present utility model, the described oiler feed 10 for cooling can unload be depressed into saturation steam 9 after conversion for the heating of other medium pictures such as recirculated water.This means carbon black water cooling 2 and the favourable decoupling zero of circulating water heating 14, with this at the same time effective energy recovery time realize high handiness for carbon black water stress-relief process and independence.
According to a kind of technical scheme of the present utility model, it can not be realized by flash valve (11) foregoing that the loading liquid level in chilling chamber regulates, but is realized in chilling chamber by filling (12) recirculated water.This has the following advantages, namely carbon black water mass rate (1) be set to constant and and then flow velocity in carbon black water water cooler (2) can be arranged to optimum operating point equally consistently.
Accompanying drawing explanation
Following as embodiment to elaborate the utility model for necessary length understanding by accompanying drawing.Illustrate at this accompanying drawing:
Fig. 1 is the basic diagram according to the first flexible program for release carbon black water of the present utility model;
Fig. 2 is the basic diagram according to the second flexible program for release carbon black water of the present utility model;
Fig. 3 is the detail figure according to carbon black water water cooler of the present utility model and its a kind of special design connected;
Fig. 4 is the basic diagram of spiral water cooler; And
Fig. 5 is the traditional structure for release carbon black water.
Mark identical in the drawing represents identical element.
Embodiment
The utility model utilizes following knowledge, and the direct cooling (2) namely by carbon black water mechanism can realize the cooling and the stress-relief process that remain quenched water (1) more simply.Although in order to there be particulate matter still can use heat exchanger in carbon black water, select votator, spiral-tube heat exchange or double-tube heat exchanger, described heat exchanger self is each has the design born dirty with resistance to particulate matter.
With the cooling that oiler feed (10) realizes in carbon black water water cooler 2, described oiler feed pressurization ground is heated by the cooling of carbon black water, to be next transformed into saturation steam by release (9), described saturation steam can be used neatly in gasification installation inside.Such as at the middle heating cycle water (5) of independent preheater (14), thus carbon black water cooling (2) can be separated with circulating water heating (11) with this steam.Because carbon black water should have the outlet temperature being less than 85 DEG C, use and have corresponding lower temperature, oiler feed (10) preferably between 40 DEG C to 70 DEG C for cooling, the scantlings of the structure of heat exchanger can compared with cold side keeping less by optimum temps difference thus.For this reason by precooler (cooling water cooler or air-cooler) according to the oiler feed (10) of load behavior, the carbon black water yield and carbon black water temperature in cooling for cooling.
Therefore, it is possible to cool completely by only water cooler (2) realization in the carbon black current (1) being loaded with solid.
Just as illustrated in fig. 1 like that, can in convection current heating cycle water (5).Because the outlet temperature needed for the carbon black water of cooling is less than 85 DEG C, correspondingly to select lower for the temperature of the recirculated water cooled, preferably between 35 DEG C and 55 DEG C, also to be minimized the scantlings of the structure of heat exchanger (2) by optimum temps difference here on comparatively cold side.For this reason by precooler (cooling water cooler or air-cooler) according to the recirculated water (5) of load behavior, quantity of circulating water, the carbon black water yield and carbon black water temperature in cooling for cooling.With this design also can by the carbon black current (1) being loaded with solid only the realization of water cooler (2) cool completely, wherein between the carbon black water yield (1) to be derived and the recirculated water 5 to be heated led back to, there is contact.
Have one, two or only minority segmentation passage in other words the votator of pipeline or spiral-tube heat exchange than traditional, have and such as significantly lower cooling channel blocking risk contained for 70 tube bundle heat exchangers to 200 single pipelines comparatively speaking of reactor assembly of the power input taking power as 500MW.Self-cleaning effect is reached for votator or spiral-tube heat exchange for this reason, by local, flow velocity is increased for settling and produces and utilize described self-cleaning effect.
Carbon black water can be realized with the direct cooling of the carbon black water (1) being loaded with solid unload the normal atmosphere that is pressed onto in flash chamber (3) in one step and do not need multistage release and do not need pressure to be reduced in vacuum range.Cooling carbon black water also has the following advantages before the release (3), namely on described device and in pipeline subsequently or can not have the flash distillation release of high wear in a reservoir.Also eliminate and there is the vapor condensation that export section becomes dirty condensing agent.
In the constant operation scheme of equipment for gasification, the filling that the adjustment of quencher loading liquid level can realize being adjusted to from the extraction by flash valve (11) the interpolation recirculated water by adding quencher regulates (12), this has the following advantages, and namely can arrange the constant rate for carbon black water water cooler and have the additional water for rinsing object available.
Reference numerals list:
1 carbon black water
2 carbon black water water coolers
3 flash chambers
4 precoolers
5 recirculated waters
6 carbon black water releases
7 sour gas, gas
8 circulating water heatings
9 releases, vapor heat exchanger
10 oiler feeds
11 flash distillation devices, circulating water heating
12 quencher loading liquid level variable valve
13 quenchers, chilling chamber
14 recirculated water preheaters, circulating water heating
15 saturation steams
16 flash coolers 1
17 flash coolers 2
18 condensing agents
19 vacuum pumps
20 flash distillation pumps
21 water coolants.
Claims (14)
1. for the device of release carbon black water,
-described carbon black water occurs as residue quenched water when the air-flowing type gasification of solid or liquid fuel;
-gasification temperature reaching 1900 DEG C and the vapor pressure reaching 10MPa are provided in air-flowing type gasifier;
-described carbon black water has described vapor pressure and reaches the temperature of 260 DEG C,
It is characterized in that,
-described the device for release carbon black water has carbon black water water cooler (2), described carbon black water is cooled to the temperature lower than 85 DEG C, and
-and then described carbon black water water cooler (2) layout be used for the flash chamber (3) of carbon black water described in release.
2., by device according to claim 1, it is characterized in that, described carbon black water water cooler (2) is double-tube heat exchanger.
3., by device according to claim 1, it is characterized in that, described carbon black water water cooler (2) is votator.
4., by device according to claim 1, it is characterized in that, described carbon black water water cooler (2) is spiral-tube heat exchange.
5., by device according to claim 4, it is characterized in that, described spiral-tube heat exchange has multiple spiral tube.
6., by device according to claim 5, it is characterized in that, described spiral tube has identical length each other.
7., by the device described in claim 5 or 6, it is characterized in that, spiral tube is equipped with independent flash distillation device (11).
8., by the device described in claim 5 or 6, it is characterized in that, each spiral tube is equipped with independent flash distillation device (11).
9., by the device described in claim 5 or 6, it is characterized in that, described spiral tube is so arranged in described carbon black water water cooler (2), thus described spiral tube can individually be dismantled.
10., by the device according to any one of the claims 4 to 6, it is characterized in that, cooling fluid (5,10) is tangentially injected in described carbon black water water cooler (2).
11. by the device according to any one of the claims 1 to 6, it is characterized in that, described carbon black water (1) from the swagelok on quencher (13) through described carbon black water water cooler (2) until the path of described flash chamber (3) be always decline trend.
12., by the device according to any one of the claims 1 to 6, is characterized in that, described carbon black water water cooler (2) is furnished with pickling loop.
13., by device according to any one of the claims 1 to 6, is characterized in that, from described carbon black water water cooler (2) through heating cooling fluid unload be pressed into saturation steam (9) after can be used for heating object.
14., by the device according to any one of the claims 1 to 6, is characterized in that, in the quencher (13) of described air-flowing type gasifier, provide loading liquid level to regulate by filling (12) recirculated water.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014200710.0 | 2014-01-16 | ||
| DE102014200710.0A DE102014200710A1 (en) | 2014-01-16 | 2014-01-16 | Soot water relaxation with direct cooling in a gasification plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204848780U true CN204848780U (en) | 2015-12-09 |
Family
ID=53485013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520029913.6U Expired - Fee Related CN204848780U (en) | 2014-01-16 | 2015-01-16 | A device that is arranged in utilizing direct cooling to carry out release of carbon black water at gasification equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204848780U (en) |
| DE (1) | DE102014200710A1 (en) |
-
2014
- 2014-01-16 DE DE102014200710.0A patent/DE102014200710A1/en not_active Withdrawn
-
2015
- 2015-01-16 CN CN201520029913.6U patent/CN204848780U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014200710A1 (en) | 2015-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20220116 |