CN201643795U - Novel gas-water separator for burner cooling water system of coal water slurry gasification equipment - Google Patents
Novel gas-water separator for burner cooling water system of coal water slurry gasification equipment Download PDFInfo
- Publication number
- CN201643795U CN201643795U CN 201020000504 CN201020000504U CN201643795U CN 201643795 U CN201643795 U CN 201643795U CN 201020000504 CN201020000504 CN 201020000504 CN 201020000504 U CN201020000504 U CN 201020000504U CN 201643795 U CN201643795 U CN 201643795U
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- Prior art keywords
- pipe
- cooling water
- separator
- separator body
- nitrogen
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Abstract
The utility model provides a novel gas-water separator for a burner nozzle cooling water system of coal water slurry gasification equipment. The gas-water separator comprises a separator body, an emptying pipe arranged at the top of the separator body, a cooling water inlet, a cooling water outlet U-shaped pipe, wherein a CO on-line monitoring instrument is arranged in the emptying pipe; an overflow pipe is connected to the interior of the separator body above the cooling water outlet U-shaped pipe; a nitrogen distributor is arranged below the pipe orifice of the overflow pipe; a nitrogen inlet is formed outside the separator body; the cooling water outlet U-shaped pipe and the separator body are positioned above the pipe orifice of the overflow pipe and communicated with a broken siphon pipe; the cooling water outlet U-shaped pipe and the broken siphon pipe are arranged to prevent the negative pressure from generating in the separator, so that the problem is solved that CO concentration can not be monitored on line since negative pressure generates easily in the conventional separator; a nitrogen disperser is arranged below the pipe orifice of the overflow pipe, can fully strip CO in the cooling water when in use, thereby relieving the CO dilution due to nitrogen filling in the conventional separator, and solving the problem of real CO concentration to be difficult to monitor.
Description
Technical field
The utility model relates to a kind of moisture trap that can be used for coal water slurry gasification device burner cooling water system.
Background technology
Coal water slurry gasification technology is that water-coal-slurry and oxygen spray into gasification furnace by burner, oxidation reaction takes place under the high-temperature and high-pressure conditions in gasification furnace generate synthesis gas (CO+H
2) process.Coal water slurry gasification device burner is at high temperature worked, and in order to protect burner, is provided with cooling coil and head water leg on burner, in order to prevent that cooling off burner high temperature damages.Water in the burner bosh is sent in the burner cooling coil after cooling.The water that goes out cooling coil is through burner cooling water separator, flashes back in the blunt but tank by gravity current, forms the circulation of burner cooling water.The burner cooling water coil damages easily, high pressure synthesis gas in the gasification furnace enters in the burner cooling water coil, the effect of burner cooling water moisture trap is that the CO in the burner cooling water is separated, and by being positioned at, the content of CO on-line monitoring instrument on-line monitoring CO is to determine whether the burner cooling water coil leaks.The carrier gas that logical low-pressure nitrogen is analyzed as CO in the separator, carrier gas enters atmosphere through blow-down pipe.
At present, because the fluctuation of production operation, liquid level fluctuates up and down in the burner cooling water moisture trap, easily forms negative pressure, and CO gas is drawn in the burner bosh with the burner cooling water, and blow-down pipe CO on-line monitoring instrument can't measure CO concentration; Can offset a part of suction function though feed nitrogen in the moisture trap upper gaseous phase space, but it is very big to eliminate the required nitrogen amount of negative pressure fully, not only infeasible economically, and, carrier gas as the CO on-line monitoring, because the diluting effect of nitrogen, the feeding nitrogen amount is crossed conference and is caused on-line monitoring to be difficult to obtain real CO concentration.Because there is the problem of this two aspect in burner cooling water moisture trap, cause and can't judge burner cooling water coil leakage situation, in time interlocking stops, and causes the damage of burner on the one hand, influences ordinary production; On the other hand, cause gasification furnace inner high voltage synthesis gas to enter the low pressure burner cooling water system, line fracture, synthesis gas leaks into outside the gasification furnace, meets incendiary source breaking out of fire blast, causes personnel's injures and deaths and property loss, and consequence will be very serious.
The utility model content
Technical problem to be solved in the utility model provides the novel burner cooling water of a kind of coal water slurry gasification device moisture trap.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the novel burner cooling water of coal water slurry gasification device moisture trap, comprise separator body and the blow-down pipe that is arranged at the separator bodies top, and cooling water inlet and coolant outlet U type pipe, establish CO on-line monitoring instrument in the blow-down pipe, cooling water goes out in the separator body of U type pipe top to be connected with overflow pipe, overflow pipe mouth of pipe below is provided with the nitrogen gas distributor, and nitrogen inlet is arranged at separator, and this is external.
As further improvement, coolant outlet U type pipe and separator body and be positioned at overflow pipe mouth of pipe top and be communicated with and be provided with brokenly siphon pipe.
The course of work: the cooling water from the burner cooling water coil is entered in the separator body by the cooling water inlet, the cooling water liquid level raises gradually, after liquid level was elevated to the overflow pipe mouth of pipe, cooling water entered in the overflow pipe, was flowed back in the burner bosh by coolant outlet U type pipe by gravity.Under the normal operation, be divided into the liquid phase space of overflow pipe mouth of pipe bottom and the gas-phase space on top in the moisture trap.Because the burner cooling water outlet pipe is a U type form of tubes, and is connected with brokenly siphon pipe, can when the operation fluctuation, keep cooling water liquid level in the overflow pipe, prevent to form negative pressure, cooling water is evacuated in the overflow pipe, and CO is brought in the burner bosh.
Low-pressure nitrogen is entered by the nitrogen inlet that is positioned at from liquid phase space, device body bottom, enters in the separator body through the nitrogen gas distributor.Increased contact area with cooling water by the homodisperse nitrogen of nitrogen gas distributor, helped the stripping of CO.Nitrogen bubble moves upward, because the CO gas stripping that dissolves in the cooling water is come out in the stripping effect.Its principle meets Henry's law (Henry's law is under uniform temperature and poised state, and the equilibrium partial pressure of the solubility of gas in liquid and this gas is directly proportional).CO in the cooling water is constantly come out by stripping, enters in the nitrogen bubble.The nitrogen that is carrying CO enters gas-phase space, moves upward along blow-down pipe 8, and emptying, online CO monitor can detect CO concentration, and when CO concentration reached the interlocking value, the gasification furnace interlocking stopped.
The beneficial effects of the utility model are: the formation that coolant outlet U type pipe and broken siphon pipe prevent negative pressure in the separator is set, has solved and easily formed negative pressure in the existing separator, cause on-line monitoring can't measure the problem of CO concentration; The nitrogen disperser is arranged at the below of the overflow pipe mouth of pipe, and the abundant CO in stripping cooling water during use has been alleviated existing separator and fed nitrogen and cause CO diluted, and on-line monitoring is difficult to obtain the problem of real CO concentration;
Description of drawings
The structural representation of Fig. 1, the novel burner cooling water of the utility model coal water slurry gasification device moisture trap.
The specific embodiment
The novel burner cooling water of coal water slurry gasification device moisture trap as shown in Figure 1, comprise separator body 5 and the blow-down pipe 8 that is arranged at separator body 5 tops, and cooling water inlet 6 and coolant outlet U type pipe 4, establish CO on-line monitoring instrument 9 in the blow-down pipe 8, cooling water goes out in the separator body 5 of U type pipe 4 tops to be connected with overflow pipe 7, overflow pipe 7 mouths of pipe below is provided with nitrogen gas distributor 3, and nitrogen inlet 2 is arranged at outside the separator body 5.Coolant outlet U type pipe 4 and separator body 5 and be positioned at overflow pipe 7 mouths of pipe tops and be communicated with and be provided with brokenly siphon pipe 1.
The utility model not only is confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but on its shape or structure, do any variation; every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (2)
1. the novel burner cooling water of coal water slurry gasification device moisture trap, comprise separator body (5) and be arranged at the blow-down pipe (8) at separator body (5) top, and cooling water inlet (6) and coolant outlet U type pipe (4), establish CO on-line monitoring instrument (9) in the blow-down pipe (8), it is characterized in that: cooling water goes out in the separator body (5) of U type pipe (4) top to be connected with overflow pipe (7), overflow pipe (7) mouth of pipe below is provided with nitrogen gas distributor (3), and nitrogen inlet (2) is arranged at outside the separator body (5).
2. the novel burner cooling water of coal water slurry gasification device according to claim 1 moisture trap is characterized in that: coolant outlet U type pipe (4) and separator body (5) and be positioned at overflow pipe (7) mouth of pipe top and be communicated with and be provided with brokenly siphon pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020000504 CN201643795U (en) | 2010-01-06 | 2010-01-06 | Novel gas-water separator for burner cooling water system of coal water slurry gasification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020000504 CN201643795U (en) | 2010-01-06 | 2010-01-06 | Novel gas-water separator for burner cooling water system of coal water slurry gasification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201643795U true CN201643795U (en) | 2010-11-24 |
Family
ID=43108989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020000504 Expired - Lifetime CN201643795U (en) | 2010-01-06 | 2010-01-06 | Novel gas-water separator for burner cooling water system of coal water slurry gasification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201643795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278753A (en) * | 2011-06-16 | 2011-12-14 | 西安拓沃能动科技有限公司 | Combustor for water-coal-slurry pressurized gasifier |
-
2010
- 2010-01-06 CN CN 201020000504 patent/CN201643795U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278753A (en) * | 2011-06-16 | 2011-12-14 | 西安拓沃能动科技有限公司 | Combustor for water-coal-slurry pressurized gasifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |