CN203533538U - Hydrogen-rich gas blending combusting device for coal water slurry boiler - Google Patents
Hydrogen-rich gas blending combusting device for coal water slurry boiler Download PDFInfo
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- CN203533538U CN203533538U CN201420037231.5U CN201420037231U CN203533538U CN 203533538 U CN203533538 U CN 203533538U CN 201420037231 U CN201420037231 U CN 201420037231U CN 203533538 U CN203533538 U CN 203533538U
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- rich gas
- slurry
- coal
- hydrogen rich
- boiler
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Abstract
The utility model discloses a hydrogen-rich gas blending combusting device for a coal water slurry boiler. The hydrogen-rich gas blending combusting device for the coal water slurry boiler mainly comprises a coal water slurry supply and return valve system and a boiler, and is characterized in that the coal water slurry supply and return valve system and a hydrogen-rich gas source are arranged on the boiler; a hydrogen-rich gas main pipe is arranged on the hydrogen-rich gas source; coal water slurry combusting guns and hydrogen-rich gas combusting guns are arranged at four corners of the boiler; the coal water slurry combusting guns are connected with the coal water slurry supply and return valve system; the hydrogen-rich gas combusting guns are connected with the hydrogen-rich gas main pipe. By adopting the structure, hydrogen-rich gas can be inflated to replace a part of coal water slurry, so that the boiler can meet an igniting requirement and can perform blending combustion, thereby improving the utilization ratio of resources and saving the coal water slurry resource; the hydrogen-rich gas blending combusting device for the coal water slurry-fired boiler can effectively recycle hydrogen-rich gas to increase economic benefits; meanwhile, through a blending combustion way, compared with a hydrogen-rich gas-specific boiler, the hydrogen-rich gas blending combusting device for the coal water slurry-fired boiler can reduce the investment of the hydrogen-rich gas-specific boiler and ancillary facilities, and can improve the working safety without influence on normal combustion.
Description
Technical field
The utility model relates to boiler combustion system field, and especially a kind of coal water slurry boiler is mixed and burnt hydrogen rich gas burner.
Background technology
At present, the waste gas great majority that produce in the production process of divide/isooctane of waste gas and the gas device producing in PDH (preparing propylene by dehydrogenating propane) and methyl ethyl ketone plant production process do not utilize again, but by directly discharging after some purified treatment.A kind of hydrogen containing more than 80% in these two kinds of waste gas, and nitrogen, carbon monoxide, carbon dioxide and other a small amount of composition.In another kind of waste gas, contain a large amount of ethane, propane and propylene, and a small amount of nitrogen and oxygen.After mixing, two kinds of gases can be described as hydrogen rich gas, and these two kinds of fuel gas all have higher combustion value, direct emptying meeting causes the waste of the energy can cause the waste of resource, if but used special hydrogen rich gas burning boiler to recycle, again could be because hydrogen rich gas is that flammable explosive gas easily causes no small potential safety hazard.Therefore in the situation that special gas fired-boiler is not set, in coal water slurry boiler, mix burning hydrogen rich gas.Neither cause larger investment, also reclaimed the energy simultaneously.Water-coal-slurry is also a kind of novel, efficient, clean coal derived fuel simultaneously, inflammable, explosive with respect to oil, gas, coal dust, its security improves greatly, and water-coal-slurry burn-off rate is high, fuel saving, and owing to having removed other impurity component in coal in the process manufacturing water-coal-slurry, so the pollutant emission producing in combustion process is low, is a kind of relatively clean material.
Summary of the invention
The purpose of this utility model is to provide a kind of stable in order to solve the deficiency of above-mentioned technology, saves the energy, and coal water slurry boiler safe and that pollutant emission is low is mixed and burnt hydrogen rich gas burner.
In order to achieve the above object, the designed a kind of coal water slurry boiler of the utility model is mixed and is burnt hydrogen rich gas burner, it mainly comprises that water-coal-slurry supplies back valve system and boiler, it is characterized in that described boiler is provided with water-coal-slurry and supplies back valve system and hydrogen rich gas source of the gas, hydrogen rich gas source of the gas is provided with the female pipe of hydrogen rich gas, four jiaos of boiler are provided with cool water mixture burning rifle and hydrogen rich gas burning rifle, cool water mixture burning rifle supplies back valve system to be connected with water-coal-slurry, hydrogen rich gas burning rifle is connected with the female pipe of hydrogen rich gas, so just can before igniting, pass into hydrogen rich gas replaces water-coal-slurry to make boiler meet igniting requirement, in addition after flameholding such as grade, also can drop into hydrogen rich gas and carry out multifuel combustion, thereby raising resource utilization, and saved water-coal-slurry resource.
In order to guarantee the smooth combustion of hydrogen rich gas, the female pipe of hydrogen rich gas is provided with cuts valve soon, control valve group one, nitrogen source of the gas and pressure display unit one, hydrogen rich gas source of the gas is connected with hydrogen rich gas burning rifle by control valve group one, pressure display unit one is located at control valve group one rear side, cutting soon valve is provided in a side of before hydrogen rich gas burning rifle, and be provided with spark arrester cutting soon between valve and hydrogen rich gas burning rifle, so just can regulate boiler load by control and regulation valve group one, the pressure indicator simultaneously arranging can be when hydrogen rich gas main-piping pressure be lower, can cut off the air inlet of the female pipe of hydrogen rich gas, and can be by observing pressure display unit, and cross and turn down control valve when lower at pressure, reduce the pressure stability that hydrogen rich gas amount guarantees female pipe, or when can not meeting air inlet requirement, hypotony closes control valve group one, make boiler no longer mix burning hydrogen rich gas, spark arrester is set and can prevents that boiler tempering from improving job security.
In order to allow normal, the safe igniting of boiler, the waste gas of need discharge can be purified and makes it meet discharge standard simultaneously, the bottom of boiler is provided with air blast, deduster, air-introduced machine and desulfurizer, cool water mixture burning rifle is provided with steam atomization device, four jiaos of boiler are provided with torch oil gun, and torch oil gun is provided with flame detecting device, on torch oil gun, be provided with like this security that flame detecting device can further be guaranteed working environment, greatly reduce contingency occurrence probability.
In order to regulate boiler to enter to starch total amount, water-coal-slurry supplies back valve system to comprise that water-coal-slurry is for the female pipe of slurry and the female pipe of water-coal-slurry overfall, before cool water mixture burning rifle, be provided with pressure display unit two, water-coal-slurry is provided with pressure display unit three for the female pipe of slurry, the female pipe of water-coal-slurry overfall is provided with pressure display unit four and control valve group two, pressure display unit is set like this and just can arbitrarily observes for slurry pressure, and then determine that concrete loine pressure regulates indication.
For can be at source of the gas unstable or accident while occurring the burning of fast shut-off hydrogen rich gas supply with, avoid causing larger security incident, before hydrogen rich gas burning rifle, be provided with two and cut soon valve, four jiaos of boiler are provided with more than one torch oil gun, deduster is fiber bag precipitator, desulfurizer is wet desulphurization device, and the logical deduster of waste gas that boiler tail can be discharged like this and desulfurizer reach after national emission request after processing, then access chimney and discharge.
A kind of coal water slurry boiler that the utility model obtains is mixed and is burnt hydrogen rich gas burner, the mode that burning hydrogen rich gas is mixed in employing reclaims hydrogen rich gas effectively, increase economic efficiency, saved water-coal-slurry resource, also reduce the discharge of pollutant simultaneously, and adopt the mode of mixing burning to compare with the special-purpose gas fired-boiler of hydrogen rich gas, can reduce investment, working environment is safe, the hydrogen rich gas multifuel combustion amount while burning of simultaneously mixing accounts for 20% of boiler load, safety can reduce water-coal-slurry consumption again, further increase economic efficiency, also can reduce the investment of hydrogen rich gas gas fired-boiler and attached auxiliary facility, also can not affect the normal combustion of coal water slurry boiler, be suitable for large range promotion use.
Accompanying drawing explanation
Fig. 1 is combustion system schematic diagram of the present utility model;
Fig. 2 is hydrogen rich gas air supply system schematic diagram of the present utility model;
Fig. 3 is CWS system schematic diagram of the present utility model.
In figure: water-coal-slurry supplies back valve system 1, boiler 2, hydrogen rich gas source of the gas 3, the female pipe 4 of hydrogen rich gas, cool water mixture burning rifle 5, hydrogen rich gas burning rifle 6, cut soon valve 7, control valve group 1, nitrogen source of the gas 9, pressure display unit 1, spark arrester 11, air blast 12, deduster 13, air-introduced machine 14, desulfurizer 15, steam atomization device 16, torch oil gun 17, flame detecting device 18, water-coal-slurry is for the female pipe 19 of slurry, the female pipe 20 of water-coal-slurry overfall, pressure display unit 2 21, pressure display unit 3 22, pressure display unit 4 23, control valve group 2 24.
The specific embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, the coal water slurry boiler that the present embodiment is described is mixed and is burnt hydrogen rich gas burner, it mainly comprises that water-coal-slurry supplies back valve system 1 and boiler 2, described boiler 2 is provided with water-coal-slurry and supplies back valve system 1 and hydrogen rich gas source of the gas 3, hydrogen rich gas source of the gas 3 is provided with the female pipe 4 of hydrogen rich gas, four jiaos of boiler 2 are provided with cool water mixture burning rifle 5 and hydrogen rich gas burning rifle 6, cool water mixture burning rifle 5 supplies back valve system 1 to be connected with water-coal-slurry, hydrogen rich gas burning rifle 6 is connected with the female pipe 4 of hydrogen rich gas, the female pipe 4 of hydrogen rich gas is provided with cuts valve 7 soon, control valve group 1, nitrogen source of the gas 9 and display 1, hydrogen rich gas source of the gas 3 is connected with hydrogen rich gas burning rifle 6 by control valve group 1, pressure display unit 1 is provided in a side of control valve group one 8 rear sides, cutting soon valve 7 is provided in a side of before hydrogen rich gas burning rifle 6, and be provided with spark arrester 11 cutting soon between valve 7 and hydrogen rich gas burning rifle 6, the bottom of boiler 2 is provided with air blast 12, deduster 13, air-introduced machine 14 and desulfurizer 15, cool water mixture burning rifle 5 is provided with steam atomization device 16, four jiaos of boiler 2 are provided with torch oil gun 17, and torch oil gun 17 is provided with flame detecting device 18, water-coal-slurry supplies back valve system 1 to comprise that water-coal-slurry is for the female pipe 19 of slurry and the female pipe 20 of water-coal-slurry overfall, before cool water mixture burning rifle 5, be provided with pressure display unit 2 21, water-coal-slurry is provided with pressure display unit 3 22 for the female pipe 19 of slurry, the female pipe 20 of water-coal-slurry overfall is provided with pressure display unit 4 23 and control valve group 2 24, before hydrogen rich gas burning rifle 6, be provided with two and cut soon valve 7, four jiaos of boiler 2 are provided with more than one torch oil gun 17, deduster 13 is fiber bag precipitator, desulfurizer 15 is wet desulphurization device, like this before igniting, the female pipe of hydrogen rich gas need carry out nitrogen blowing, after completing, purging passes into again hydrogen rich gas.After boiler meets ignition condition, open again air blast and air-introduced machine, and then light a fire with the valve before torch oil gun.Igniting is when complete soon, and the coal slurry of fetching boiling water is for the valve on the female pipe of slurry and the valve on water-coal-slurry return pipe, makes the water-coal-slurry state that can put into operation at any time.Ignition of the boiler complete and the steady combustion of boiler after, can open four jiaos of cool water mixture burning rifles of boiler and carry out the igniting of cool water mixture burning rifle.After boiler combustion is stable, can opens the female pipe input of hydrogen rich gas hydrogen rich gas and carry out multifuel combustion.Hydrogen rich gas multifuel combustion amount accounts for 20% of boiler load, when hydrogen rich gas main-piping pressure is lower, can throws water-coal-slurry more and burn, to guarantee boiler load.The flue gas that boiler tail is discharged reaches after national emission request after processing, then accesses chimney and discharge through deduster, air-introduced machine, desulfurizer.
Claims (9)
1. a coal water slurry boiler is mixed and is burnt hydrogen rich gas burner, it mainly comprises that water-coal-slurry supplies back valve system (1) and boiler (2), it is characterized in that described boiler (2) is provided with water-coal-slurry and supplies back valve system (1) and hydrogen rich gas source of the gas (3), hydrogen rich gas source of the gas (3) is provided with the female pipe of hydrogen rich gas (4), four jiaos of boiler (2) are provided with cool water mixture burning rifle (5) and hydrogen rich gas burning rifle (6), cool water mixture burning rifle (5) supplies back valve system (1) to be connected with water-coal-slurry, and hydrogen rich gas burning rifle (6) is connected with the female pipe of hydrogen rich gas (4).
2. a kind of coal water slurry boiler according to claim 1 is mixed and is burnt hydrogen rich gas burner, the female pipe of hydrogen rich gas (4) described in it is characterized in that is provided with cuts valve (7) soon, control valve group one (8), nitrogen source of the gas (9) and pressure display unit one (10), hydrogen rich gas source of the gas (3) is connected with hydrogen rich gas burning rifle (6) by control valve group one (8), pressure display unit one (10) is provided in a side of control valve group one (8) rear side, cutting soon valve (7), to be provided in a side of hydrogen rich gas burning rifle (6) front, and be provided with spark arrester (11) cutting soon between valve (7) and hydrogen rich gas burning rifle (6).
3. a kind of coal water slurry boiler according to claim 1 and 2 is mixed and is burnt hydrogen rich gas burner, the bottom that it is characterized in that described boiler (2) is provided with air blast (12), deduster (13), air-introduced machine (14) and desulfurizer (15), cool water mixture burning rifle (5) is provided with steam atomization device (16), four jiaos of boiler (2) are provided with torch oil gun (17), and torch oil gun (17) is provided with flame detecting device (18).
4. a kind of coal water slurry boiler according to claim 1 and 2 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described water-coal-slurry supplies back valve system (1) to comprise that water-coal-slurry is for the female pipe of slurry (19) and the female pipe of water-coal-slurry overfall (20), the front pressure display unit two (21) that is provided with of cool water mixture burning rifle (5), water-coal-slurry is provided with pressure display unit three (22) for the female pipe of slurry (19), and the female pipe of water-coal-slurry overfall (20) is provided with pressure display unit four (23) and control valve group two (24).
5. a kind of coal water slurry boiler according to claim 3 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described water-coal-slurry supplies back valve system (1) to comprise that water-coal-slurry is for the female pipe of slurry (19) and the female pipe of water-coal-slurry overfall (20), the front pressure display unit two (21) that is provided with of cool water mixture burning rifle (5), water-coal-slurry is provided with pressure display unit three (22) for the female pipe of slurry (19), and the female pipe of water-coal-slurry overfall (20) is provided with pressure display unit four (23) and control valve group two (24).
6. a kind of coal water slurry boiler according to claim 1 and 2 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described hydrogen rich gas burning rifle (6) is front is provided with two and cuts soon valve (7), four jiaos of boiler (2) are provided with more than one torch oil gun (17), deduster (13) is fiber bag precipitator, and desulfurizer (15) is wet desulphurization device.
7. a kind of coal water slurry boiler according to claim 3 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described hydrogen rich gas burning rifle (6) is front is provided with two and cuts soon valve (7), four jiaos of boiler (2) are provided with more than one torch oil gun (17), deduster (13) is fiber bag precipitator, and desulfurizer (15) is wet desulphurization device.
8. a kind of coal water slurry boiler according to claim 4 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described hydrogen rich gas burning rifle (6) is front is provided with two and cuts soon valve (7), four jiaos of boiler (2) are provided with more than one torch oil gun (17), deduster (13) is fiber bag precipitator, and desulfurizer (15) is wet desulphurization device.
9. a kind of coal water slurry boiler according to claim 5 is mixed and is burnt hydrogen rich gas burner, it is characterized in that described hydrogen rich gas burning rifle (6) is front is provided with two and cuts soon valve (7), four jiaos of boiler (2) are provided with more than one torch oil gun (17), deduster (13) is fiber bag precipitator, and desulfurizer (15) is wet desulphurization device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037231.5U CN203533538U (en) | 2014-01-21 | 2014-01-21 | Hydrogen-rich gas blending combusting device for coal water slurry boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037231.5U CN203533538U (en) | 2014-01-21 | 2014-01-21 | Hydrogen-rich gas blending combusting device for coal water slurry boiler |
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| Publication Number | Publication Date |
|---|---|
| CN203533538U true CN203533538U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037231.5U Expired - Fee Related CN203533538U (en) | 2014-01-21 | 2014-01-21 | Hydrogen-rich gas blending combusting device for coal water slurry boiler |
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| CN (1) | CN203533538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915607A (en) * | 2021-11-23 | 2022-01-11 | 北京丰润铭科贸有限责任公司 | Coal-fired boiler capable of fully combusting coal mixed with hydrogen |
-
2014
- 2014-01-21 CN CN201420037231.5U patent/CN203533538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915607A (en) * | 2021-11-23 | 2022-01-11 | 北京丰润铭科贸有限责任公司 | Coal-fired boiler capable of fully combusting coal mixed with hydrogen |
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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 |
Granted publication date: 20140409 Termination date: 20190121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |