Steam blending explosion protection system
Technical field
The present invention relates to heat energy and dynamic field, especially a kind of steam blending explosion protection system.
Background technique
In coal industry and industrial gas oil, the inflammable and explosive mixture (being such as in the mixture of coal-seam gas in range of explosion and air) of many gaseous fuels and air can be produced, often needing for utilizing these mixtures these mixtures to carry, how to guarantee that in course of conveying, do not produce combustion explosion is the most important prerequisite utilizing these mixtures.In order to prevent the blast of this kind of mixture, be developed multiple technologies scheme, such as dry-type fire resisting device, water-sealed type flame trap etc., but all these only makes the fire insulation valve in conveyance conduit.Therefore, need to invent a kind of explosion protection system being applicable to the inflammable and explosive mixture of long distance delivery gaseous fuel and air.
Summary of the invention
In order to solve the problem, the technological scheme that the present invention proposes is as follows:
A kind of method of carrying flammable gaseous mixture, in flammable gaseous mixture, mix steam obtain gas-vapo(u)r mixture, after described gas-vapo(u)r mixture is delivered to destination, again described steam is separated with described flammable gaseous mixture, thus obtains described flammable gaseous mixture in destination.
Make described steam liquefied by the mode of condensing cooling, thus described steam is separated with described flammable gaseous mixture.
A kind of steam blending explosion protection system, comprise mixing machine, boiler, liquor pump and condensate cooler, described mixing machine establishes steam inlet, fuel gas inlet and gas-vapo(u)r mixture outlet, the steam (vapor) outlet of described boiler is communicated with described steam inlet, described gas-vapo(u)r mixture outlet is communicated with the cooling fluid inlet that is condensed of described condensate cooler, the cooling fluid outlet that is condensed of described condensate cooler comprises be condensed liquid outlet and cooled gas outlet, the described liquid outlet that is condensed is communicated with the liquid inlet of described liquor pump, the liquid outlet of described liquor pump is communicated with described boiler.
A kind of steam blending explosion protection system, comprise boiler, liquor pump and condensate cooler, the vaporium of described boiler is established fuel gas inlet and gas-vapo(u)r mixture outlet, described gas-vapo(u)r mixture outlet is communicated with the cooling fluid inlet that is condensed of described condensate cooler, the cooling fluid outlet that is condensed of described condensate cooler comprises be condensed liquid outlet and cooled gas outlet, the described liquid outlet that is condensed is communicated with the liquid inlet of described liquor pump, and the liquid outlet of described liquor pump is communicated with described boiler.
Communicating passage between described vaporium and described condensate cooler is set to gas-vapo(u)r mixture conveyance conduit.
A kind of steam blending explosion protection system, comprise mixing machine, heating chamber and condensate cooler, described mixing machine establishes steam inlet, fuel gas inlet and gas-vapo(u)r mixture outlet, the gas outlet of described heating chamber is communicated with the gas working medium entrance of expansion work mechanism, the gas working medium outlet of described expansion work mechanism is communicated with the described steam inlet of described mixing machine, the gas-vapo(u)r mixture outlet of described mixing machine is communicated with the cooling fluid inlet that is condensed of described condensate cooler, the cooling fluid outlet that is condensed of described condensate cooler comprises be condensed liquid outlet and cooled gas outlet, being communicated with by heating fluid inlet of described be condensed liquid outlet and described condensate cooler, being communicated with the gas access of gas compressor by heated fluid outlet of described condensate cooler, the gas outlet of described gas compressor is communicated with described heating chamber.
Described expansion work mechanism is set to piston type acting mechanism or is set to impeller type acting mechanism.
Described gas compressor is set to piston compressor or is set to impeller type gas compressor.
At the described liquid outlet and describedly established liquor pump by the communicating passage between heating fluid inlet of being condensed.
Communicating passage between described mixing machine and described condensate cooler is set to gas-vapo(u)r mixture conveyance conduit.
At the described liquid outlet and describedly established cooler by the communicating passage between heating fluid inlet of being condensed.
Described gas-vapo(u)r mixture conveyance conduit establishes heat-insulating structure.
In the present invention, described mixing machine, described boiler and described heating chamber also can be set to heat-insulating.
Principle of the present invention is: by being mixed by the mixture of steam with fuel and air, reduce the percentage of fuel content, thus avoid burning and blast process, to realize the long distance delivery of the mixture of fuel and air, establish described condensate cooler at the end of transporting system, make steam liquefied realize the object of separation and recovery steam.
In the present invention, the object arranging described boiler is to produce steam.
In the present invention, in the structure being provided with described expansion work mechanism and described gas compressor, by utilizing the hypotensive effect at the gas access place of described gas compressor, make to be in by the liquid in heating fluid channel, evaporation being occurred and absorbing heat from the mixture of the gaseous fuel be in cooled fluid passage, air and steam in described condensate cooler, the steam generation made in mixture is liquefied by this endothermic process, realizes centrifugation; Steam after described compressor pressure promotes described acting mechanism and does work after being boosted by heat temperature raising in described heating chamber, the steam that acting is over enters described mixing machine and mixes with the mixture of gaseous fuel and air.
In the present invention, described expansion work mechanism can to described gas compressor outputting power.
In the present invention, described expansion work mechanism can also external outputting power.
In the present invention, so-called mixing machine refers to and is carried out mixing the device generating new mixture with steam by the mixture of gaseous fuel and air, such as Jet injector, mixing tank etc.
In the present invention, the described fuel gas inlet be located on described mixing machine refers to the entrance for importing fuel and air mixture, and described gas-vapo(u)r mixture outlet refers to that the mixture for deriving gaseous fuel and air carries out mixing the outlet generating new mixture with steam.
In the present invention, so-called expansion work mechanism refers to the mechanism utilizing the external outputting power of gas expansion, such as turbine, piston-cylinder mechanism etc.
In the present invention, according to the known technology of heat energy and dynamic field, necessary parts, unit or system should be set in the place of necessity.
beneficial effect of the present invention is as follows:
Structure of the present invention is simple, is applicable to the inflammable and explosive mixture of long distance delivery gaseous fuel and air.
Accompanying drawing explanation
Shown in Fig. 1 is the structural representation of the embodiment of the present invention 1;
Shown in Fig. 2 is the structural representation of the embodiment of the present invention 2;
Shown in Fig. 3 is the structural representation of the embodiment of the present invention 3,
Shown in Fig. 4 is the structural representation of the embodiment of the present invention 4;
Shown in Fig. 5 is the structural representation of the embodiment of the present invention 5,
Wherein:
1 mixing machine, 11 steam inlets, 12 fuel gas inlets, 13 gas-vapo(u)r mixture outlets, 2 boilers, 21 steam (vapor) outlets, 201 vaporiums, 3 liquor pumps, 4 condensate coolers, 41 cooling fluid inlet, 421 that is condensed is condensed liquid outlet, 422 cooled gas outlets, 43 by heating fluid inlet, 44 by heated fluid outlet, 5 heating chambers, 6 expansion work mechanisms, 61 gas working medium entrances, 62 gas working medium outlets, 7 gas compressors, 8 coolers.
Embodiment
Embodiment 1
Steam blending explosion protection system as shown in Figure 1, comprise mixing machine 1, boiler 2 and liquor pump 3 and condensate cooler 4, described mixing machine 1 is provided with steam inlet 11, fuel gas inlet 12 and gas-vapo(u)r mixture outlet 13, the steam (vapor) outlet 21 of described boiler 2 is communicated with the described steam inlet 12 on described mixing machine 1, gas-vapo(u)r mixture outlet 13 on described mixing machine 1 is communicated with the cooling fluid inlet 41 that is condensed of described condensate cooler 4, the cooling fluid outlet that is condensed of described condensate cooler 4 comprises be condensed liquid outlet 421 and cooled gas outlet 422, the described liquid outlet 421 that is condensed is communicated with the liquid inlet of described liquor pump 3, the liquid outlet of described liquor pump 3 is communicated with described boiler 2.
In described mixing machine 1, the steam produced in described boiler 2 is mixed flammable gaseous mixture and obtain gas-vapo(u)r mixture, after described gas-vapo(u)r mixture is delivered to destination, described steam and described flammable gaseous mixture is separated in described condensate cooler, thus obtain described flammable gaseous mixture in destination, described steam is condensed into water and is again delivered in described boiler 2 by liquor pump 3, enters next circulation.Described flammable gaseous mixture is transported in the process of destination, owing to being mixed with a large amount of steam in described flammable gaseous mixture, reduce the percentage of wherein inflammable gas content, its concentration is made to be in outside range of explosion, thus avoid burning and the blast of inflammable gas, therefore can realize the long range propagation of flammable gaseous mixture.
In the present embodiment, described in the liquid outlet 421 that is condensed to be condensed the liquid formed for deriving steam, described cooled gas outlet 422 for derive cooled after gaseous fuel and the mixture of air.Described steam is condensed after the liquid that formed and the gaseous fuel after being cooled can be separated by vapor-liquid separating structure with the mixture of air, then derives from corresponding export mouth.
In the present embodiment, described mixing machine 1 is set to Jet injector, and selectively, described mixing machine 1 can also be set to mixing tank.
When the present embodiment is applied to the inflammable and explosive mixture of long distance delivery gaseous fuel and air, the communicating passage between described mixing machine 1 and described condensate cooler 4 can be set to gas-vapo(u)r mixture conveyance conduit.Further, described gas-vapo(u)r mixture conveyance conduit can arrange heat-insulating structure.
Embodiment 2
Steam blending explosion protection system as shown in Figure 2, comprise boiler 2, liquor pump 3 and condensate cooler 4, the vaporium 201 of described boiler 2 establishes fuel gas inlet 12 and gas-vapo(u)r mixture outlet 13, described gas-vapo(u)r mixture outlet 13 is communicated with the cooling fluid inlet 41 that is condensed of described condensate cooler 4, the cooling fluid outlet that is condensed of described condensate cooler 4 comprises be condensed liquid outlet 421 and cooled gas outlet 422, the described liquid outlet 421 that is condensed is communicated with the liquid inlet of described liquor pump 3, the liquid outlet of described liquor pump 3 is communicated with described boiler 2.
When the present embodiment is applied to the inflammable and explosive mixture of long distance delivery gaseous fuel and air, the communicating passage between described vaporium 201 and described condensate cooler 4 can be set to gas-vapo(u)r mixture conveyance conduit.Further, described gas-vapo(u)r mixture conveyance conduit can arrange heat-insulating structure.
Embodiment 3
Steam blending explosion protection system as shown in Figure 3, comprise mixing machine 1, heating chamber 5 and condensate cooler 4, described mixing machine 1 is provided with steam inlet 11, fuel gas inlet 12 and gas-vapo(u)r mixture outlet 13, the gas outlet of described heating chamber 5 is communicated with the gas working medium entrance 61 of expansion work mechanism 6, the gas working medium outlet 62 of described expansion work mechanism 6 is communicated with the described steam inlet 11 of described mixing machine 1, the gas-vapo(u)r mixture outlet 13 of described mixing machine 1 is communicated with the cooling fluid inlet 41 that is condensed of described condensate cooler 4, the cooling fluid outlet that is condensed of described condensate cooler 4 comprises be condensed liquid outlet 421 and cooled gas outlet 422, being communicated with by heating fluid inlet 43 of described be condensed liquid outlet 421 and described condensate cooler 4, being communicated with by the gas access of heated fluid outlet 44 with gas compressor 7 of described condensate cooler, the gas outlet of described gas compressor 7 is communicated with described heating chamber 5.
In the present embodiment, described expansion work mechanism 6 and described gas compressor 7 are all set to impeller type mechanism.Optionally, described expansion work mechanism 6 can also be set to piston type acting mechanism, and described gas compressor 7 can also be set to piston compressor.
Embodiment 4
Steam blending explosion protection system as shown in Figure 4, the difference of itself and embodiment 3 is: at the described liquid outlet 421 and describedly established liquor pump 3 by the communicating passage between heating fluid inlet 43 of being condensed.
Embodiment 5
Steam blending explosion protection system as shown in Figure 5, the difference of itself and embodiment 4 is: the communicating passage between the liquid inlet of described be condensed liquid outlet 421 and described liquor pump 3 establishes cooler 9.
Optionally, described cooler 9 can be arranged on described in be condensed liquid outlet 421 and described by the arbitrary place in the communicating passage between heating fluid inlet 43.
Optionally, described expansion work mechanism 6 can to described gas compressor 7 outputting power.
Optionally, mixing machine 1 described in above-described embodiment, described boiler 2 and described heating chamber 5 also can be set to heat-insulating.
Obviously, the invention is not restricted to above embodiment, according to known technology and the technological scheme disclosed in this invention of related domain, can to derive or association goes out many flexible programs, all these flexible programs, also should think protection scope of the present invention.