CN105822371A - Working method of power generation system - Google Patents
Working method of power generation system Download PDFInfo
- Publication number
- CN105822371A CN105822371A CN201610193013.4A CN201610193013A CN105822371A CN 105822371 A CN105822371 A CN 105822371A CN 201610193013 A CN201610193013 A CN 201610193013A CN 105822371 A CN105822371 A CN 105822371A
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- steam
- closing
- fire grate
- temperature
- blower fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B23/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01B23/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
Abstract
The invention relates to a working method of a power generation system. The power generation system comprises a plurality of pressure resistant sealing vessels, atomization devices, a steam drum and a plurality of cylinders, wherein the pressure resistant sealing vessels are arranged above or in a heat source; the atomization devices are used for quantitatively spraying water fog in the corresponding sealing vessels; high-pressure steam is instantly produced by the water fog under the action of the heat source; the steam drum communicates with the sealing vessels and is used for storing the high-pressure steam from each sealing vessel; a plurality of cylinders are connected with the steam drum; and high-pressure steam output by the steam drum can drive a piston in each cylinder to continuously do work. According to the power generation system, when a steam engine works, a plurality of high-temperature sealing vessels are utilized to vaporize the injected water fog into the high-pressure steam, and the high-pressure steam drives the piston in each cylinder to continuously do work; the production mode of the high-pressure steam has the advantages of rapidness in speed, high thermal efficiency, controllable quantity of the high-pressure steam and the like; and during working, if the temperatures of the sealing vessels are enough high, the output power of each piston can be controlled by controlling the injection quantity of the water fog.
Description
Technical field
The present invention relates to a kind of oil vapour machine and the method for work of steam generating system.
Background technology
Thermal power plant is called for short in thermal power plant, it is to utilize coal, oil, natural gas as the factory of fuel production electric energy, its basic process of production is: fuel combustion heating water in the boiler makes into steam, the chemical energy of fuel is transformed into heat energy, steam pressure pushing turbine rotates, heat energy is converted into mechanical energy, and then steam turbine drives electromotor to rotate, and mechanical energy is become electric energy.
The energy utilization rate in the thermal power plant of above-mentioned prior art is relatively low, and pollutes bigger.
Steam engine is the reciprocating power machinery that the energy of steam is converted to mechanical power.Steam engine needs a boiler making water boiling produce high steam, and this boiler can use wood, coal, oil or natural gas even rubbish as thermal source.Steam expansion promotes piston acting.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of simple in construction, energy utilization rate higher and can be the most energy-conservation oil vapour machine and the method for work of steam generating system.
For solving above-mentioned technical problem, the steam engine that the present invention provides, comprising: multiple pressure closing container, it is located at above thermal source or in thermal source；Sprayer unit, for each closing container quantification atomized water spray, this water smoke moment under the effect of described thermal source generates high steam；Steam drum, is connected with each closing container, for storing the high steam from each closing container；Multiple cylinders, are connected with described steam drum, and the high steam of steam drum output can drive the piston continuous doing work in each cylinder.
Further, described each sprayer unit is connected with the metering high-pressure hydraulic pump for quantitative water supply.
Further, for improving the Process of absorption or liberation of heat efficiency of each closing container, the vaporizer that described closing container is hollow plate body or hollow fin or body or finned tube is constituted, preferably rectangle hollow plate body, and it is longer while being horizontally disposed with, shorter while being vertically arranged, it is beneficial to fully, fast endothermic.
Further, described thermal source is a combustion furnace；Each container of closing is located at above this combustion furnace, is provided with for carrying comburant (such as fire coal, combustiblerefuse etc.) or high temperature furnace slag or the fire grate of high-temperature material in combustion furnace；Each closing container is from the feeding mouth of this fire grate along the feed direction of described fire grate the most alternately；For making full use of the heat energy that on fire grate, fuel is released, described multiple closing containers are arranged in thermal insulation cover, the lower section of described fire grate is provided with the first blower fan group for sending hot blast to each closing container, the air vent at described thermal insulation cover top is connected with the air intake vent of described first blower fan group, so that hot air circulation, and make full use of heat energy, the most energy-conservation.
Further, described each closing container is in the top of the high temperature section of described fire grate；Remaining section of described fire grate is arranged over High Temperature High Pressure water generating device；The vapours of each cylinder output sends into heat exchanger, and it is multiple that this heat exchanger includes being sequentially connected in series；The outlet of each heat exchanger is connected with the water inlet of described High Temperature High Pressure water generating device through steam trap, water pump successively, the outlet of described High Temperature High Pressure water generating device is connected with the entrance of described metering high-pressure hydraulic pump, so that the water in metering high-pressure hydraulic pump has higher temperature and pressure, and under the effect closing container of high temperature, making to be sprayed on water smoke energy moment therein is converted to high steam.The vapours of each cylinder output is converted to water through over-heat-exchanger, after water sequentially passes through described High Temperature High Pressure water generating device, metering high-pressure hydraulic pump again and closes container, is converted to steam, so circulates, i.e. the loss of water is less.
Further, for making full use of the heat energy of combustion furnace, delivering to described metering high-pressure hydraulic pump generating high-temperature high pressure water, remaining section of described fire grate at least includes middle-temperature section and low-temperature zone;Hot water tank group above middle-temperature section that described High Temperature High Pressure water generating device at least includes being located at described fire grate and low-temperature zone, hot water tank in each hot water tank group communicates with each other, a High Temperature High Pressure water tank it is communicated with above one hot water tank group, adjacent High Temperature High Pressure water tank is sequentially connected in series, the High Temperature High Pressure water tank that water temperature is the highest is connected with described metering high-pressure hydraulic pump, and the water inlet of the hot water tank group of neighbouring described fire grate discharging opening is connected with described water pump；Each hot water tank is arranged at least one collector mat, the lower section of described fire grate is provided with the second blower fan group for sending hot blast to each hot water tank, the air vent at described collector mat top is connected with each blower fan air intake vent in described second blower fan group, so that hot air circulation, and make full use of heat energy, the most energy-conservation.
Further, each blower fan in first, second blower fan group has two air inlets；When on described fire grate, the material of conveying is comburant, the described interstage valve action in first, second blower fan group, two air inlets making each blower fan are opened simultaneously, with while carrying out described hot air circulation, also make outside air send into from the final stage of the heat exchanger of described series connection, enter the first blower fan group from the air outlet of the heat exchanger of chopped-off head, so that the fresh air sending into the high temperature section of described fire grate has higher temperature, it is beneficial to improve the calorific value of fuel combustion, the most energy-conservation；Make each blower fan in described second blower fan group respectively from the heat exchanger convulsion of non-chopped-off head simultaneously；As the most preferably, each blower fan in described second blower fan group along described fire grate feed direction alternately, and be connected according to air outlet temperature height heat exchanger with each non-chopped-off head the most respectively successively, so that the temperature of the fresh air sent into, control in the reasonable scope with the temperature gap of the air outlet of corresponding blower fan, it is beneficial to improve the calorific value of fuel combustion, the most energy-conservation.
Further, described piston is arranged on a bent axle；Neighbouring described cylinder foot is provided with inlet and outlet valve or door, and a camshaft is coordinated by toothed belt transmission with described bent axle, and this camshaft is used for controlling described inlet and outlet valve or door replaces opening and closing, so that piston continuous doing work.
Applying the steam generating system of above-mentioned steam engine, the described piston in multiple cylinders to drive a bent axle to rotate, this bent axle and a generating set transmission coordinate, with generating.
The method of work of above-mentioned steam generating system, including:
A, thermal source heat multiple pressure closing containers to more than 200 DEG C；
B, sprayer unit are converted into high steam to each closing container quantification atomized water spray, this water smoke moment and enter steam drum；
High steam in C, steam drum respectively enters multiple cylinder, and drives the piston in each cylinder to drive a bent axle to rotate, and this bent axle and a generating set transmission coordinate, and implement generating.
The method of work of above-mentioned steam engine, including:
A, thermal source heat multiple pressure closing containers to more than 200 DEG C；
B, sprayer unit are converted into high steam to each closing container quantification atomized water spray, this water smoke moment and enter steam drum；
High steam in c, steam drum respectively enters multiple cylinder, and drives the piston continuous doing work in each cylinder.
The technique effect that the present invention has:
(1), when the steam engine of the present invention works, utilizing the closing container (general requirement is not less than 200 DEG C, preferably more than 300 DEG C) of multiple high temperature will spray into spray vaporization is high steam, and drives the piston continuous doing work in each cylinder by this high steam.The mode of high steam, the high steam generating mode of the present invention is generated, the advantage such as have that speed is fast, the thermal efficiency is high and the amount of high steam is controlled relative to traditional boiler；
(2), when the steam engine of the present invention works, if the temperature of described closing container sufficiently high (being not less than 200 DEG C all the time), the size of the output of piston, i.e. handling can be controlled good by controlling atomized water spray amount.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiment and combine accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the part-structure schematic diagram of the oil vapour machine in embodiment, and wherein, joint A with A ' is connected, B with B ' is connected, C with C ' is connected, D with D ' is connected；
Fig. 2 is the part-structure schematic diagram of the steam generating system in embodiment；
Fig. 3 is the part-structure schematic diagram of another steam generating system.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail:
Embodiment 1
Such as Fig. 1, the oil vapour machine of the present embodiment, comprising: be formed around the combustion furnace 1 of heat-insulation layer (heat-insulation layer that preferably vacuum insulation panel is made), it is located at the multiple closing containers 3 above this combustion furnace 1, combustion furnace 1 is provided with the fire grate 2 for carrying fire coal or other combustibles；Described each closing container 3 is in the top of the high temperature section of described fire grate 2；Remaining section of described fire grate 2 is arranged over High Temperature High Pressure water generating device；Each closing container 3 is from the feeding mouth of this fire grate along the material conveying direction of described fire grate 2 the most alternately；The sprayer unit being located in each closing container 3 is for quantitative atomized water spray, and this water smoke moment under the effect of the high temperature (generally greater than 300 DEG C) of described closing container 3 generates high steam；One steam drum 7 is connected with each closing container 3, for storing the high steam from each closing container 3；Being provided with inlet and outlet valve or door 8 bottom neighbouring described cylinder 4, intake valve or the door of each cylinder 4 are connected with described steam drum 7, and the piston 9 in each cylinder 4 is arranged on a bent axle；One camshaft is coordinated by toothed belt transmission with described bent axle, and this camshaft is used for controlling described inlet and outlet valve or door 8 alternately opening and closing, so that the high steam of steam drum 7 output drives piston 9 continuous doing work in each cylinder 4.
The vapours of each cylinder 4 output sends into heat exchanger, and it is multiple that this heat exchanger includes being sequentially connected in series；The outlet of each heat exchanger is connected with the water inlet of described High Temperature High Pressure water generating device through steam trap 5, water pump 6 successively.
The outlet and one of described High Temperature High Pressure water generating device is wrapped with the metering high-pressure hydraulic pump of heat-insulation layer and is connected, and each sprayer unit is connected with the described metering high-pressure hydraulic pump for quantitative water supply.
For improving the Process of absorption or liberation of heat efficiency of each closing container 3, described closing container 3 be hollow plate body, its preferred hollow rectangle plate body, and two sides are provided with fin, and longer being horizontally disposed with, shorter while being vertically arranged, and is beneficial to the most abundant, fast endothermic.Each container 3 parallel spaced-apart of closing arranges.
For making full use of the heat energy that on fire grate 2, fuel is released, described multiple closing containers 3 are arranged at least one and are coated with in the thermal insulation cover of heat-insulation layer, the lower section of described fire grate is provided with the first blower fan group 10 for sending hot blast to each closing container, the air vent at described thermal insulation cover 11 top is connected with the air intake vent of described first blower fan group 10, so that hot air circulation.
Preferably, for making full use of the heat energy of combustion furnace, described metering high-pressure hydraulic pump is delivered to generation high-temperature high pressure water, described High Temperature High Pressure water generating device includes that the multiple hot water tank 12(that is arranged over being located at the middle-temperature section of described fire grate, secondary middle-temperature section and low-temperature zone is wrapped with heat-insulation layer), each hot water tank 12 of low-temperature zone communicates with each other, each hot water tank 12 in secondary middle-temperature section communicates with each other, and each hot water tank 12 in middle-temperature section communicates with each other；The top of each hot water tank in low-temperature zone, secondary middle-temperature section and middle-temperature section has been respectively communicated with first, second, and third High Temperature High Pressure water tank, and third high temperature high-pressure water tank is connected with described metering high-pressure hydraulic pump；Each hot water tank is arranged at least one collector mat 13, and collector mat 13 is externally provided with heat-insulation layer；The lower section of described fire grate 2 is provided with the second blower fan group 14 for sending hot blast to each hot water tank 3, and the air vent at described collector mat 13 top is connected with each blower fan air intake vent in described second blower fan group 14, so that hot air circulation.The water in each hot water tank in low-temperature zone, secondary middle-temperature section and middle-temperature section, respectively with the waterborne lower cycle heat exchange in first, second, and third High Temperature High Pressure water tank；Water temperature in first, second, and third High Temperature High Pressure water tank increases successively；After water in first High Temperature High Pressure water tank enters the second High Temperature High Pressure water tank, heat up with the waterborne lower cycle heat exchange in each hot water tank of secondary middle-temperature section, subsequently into third high temperature high-pressure water tank, then the high-temperature high pressure water (now water temperature is typically not less than 200 DEG C) needed for heating up with the waterborne lower cycle heat exchange in each hot water tank of middle-temperature section and generate, finally enters described metering high-pressure hydraulic pump.High-temperature high pressure water is sent in high temperature closure container in the way of water smoke, is beneficial to this water smoke moment generation high steam.On the pipeline of the series connection between first, second, and third High Temperature High Pressure water tank, string is provided with check valve or check-valves, to prevent higher water temperature from flowing in the water tank that temperature is relatively low.
Outside air is sent into from the final stage of the heat exchanger of described series connection, enters the first blower fan group from the air outlet of the heat exchanger of chopped-off head, so that the fresh air sending into the high temperature section of described fire grate 2 has higher temperature, is beneficial to improve the calorific value of fuel combustion, the most energy-conservation；Each blower fan air intake vent in described second blower fan group air outlet with described multiple heat exchangers the most respectively is connected, so that the fresh air sending into remaining section of described fire grate 2 has higher temperature, is beneficial to improve the calorific value of fuel combustion, the most energy-conservation.As the most preferably, each blower fan in described second blower fan group along described fire grate feed direction alternately, and be connected according to air outlet temperature height heat exchanger with each non-chopped-off head the most respectively successively, so that the temperature of the fresh air sent into, control in the reasonable scope with the temperature gap of the air outlet of corresponding blower fan, it is beneficial to improve the calorific value of fuel combustion, the most energy-conservation.
As further preferred version, only sent in the hot water tank of described middle-temperature section or middle-temperature section by another pump 6 ' by the hot water (generally about 90 DEG C) of the steam trap output on chopped-off head and secondary heat exchanger, to avoid the occurrence of because the water temperature in the heat exchanger of low-temperature zone is less than above-mentioned hot water, and waste the energy.
Wrap up with insulation material on relevant vapour road, water route and valve body, preferably vacuum insulation panel.
Described steam drum 7, each High Temperature High Pressure water tank are provided with relief valve, and the heat exchanger of final stage is provided with balance of steam mouth 15.The entrance of described steam drum 7 is provided with check valve, and the outlet of third high temperature high-pressure water tank is provided with check-valves.
Relative to prior art, generate commensurability high steam, use the steam engine of the present embodiment, coal 20%-30%, and the speed that high steam generates can be saved.
The method of work of the steam engine described in the claims 1, including:
A, thermal source heat multiple pressure closing containers to 600 DEG C；
B, sprayer unit are converted into high steam to each closing container quantification atomized water spray, this water smoke moment and enter steam drum；
High steam in c, steam drum respectively enters multiple cylinder, and drives the piston continuous doing work in each cylinder.
Embodiment 2
The steam generating system of the steam engine of application above-described embodiment 1, the described piston in multiple cylinders drives a bent axle to rotate, and this bent axle and a generating set transmission coordinate, with generating.
The method of work of this steam generating system, including:
A, thermal source heat multiple pressure closing containers to more than 300 DEG C；
B, sprayer unit are converted into high steam to each closing container quantification atomized water spray, this water smoke moment and enter steam drum；
High steam in C, steam drum respectively enters multiple cylinder, and drives the piston in each cylinder to drive a bent axle to rotate, and this bent axle and a generating set transmission coordinate, and implement generating.
Embodiment 3
On the basis of above-described embodiment 1, there is following modification in the present embodiment:
Each blower fan in first, second blower fan group has two air inlets；When on described fire grate, the material of conveying is comburant, the described interstage valve action in first, second blower fan group, two air inlets making each blower fan are opened into suitable aperture simultaneously, with while carrying out described hot air circulation, outside air is also made to send into from the final stage of the heat exchanger of described series connection, the first blower fan group is entered from the air outlet of the heat exchanger of chopped-off head, so that the fresh air sending into the high temperature section of described fire grate has higher temperature, it is beneficial to improve the calorific value of fuel combustion, the most energy-conservation；Make each blower fan in described second blower fan group respectively from the heat exchanger convulsion of non-chopped-off head simultaneously；As the most preferably, each blower fan in described second blower fan group along described fire grate feed direction alternately, and be connected according to air outlet temperature height heat exchanger with each non-chopped-off head the most respectively successively, so that the temperature of the fresh air sent into, control in the reasonable scope with the temperature gap of the air outlet of corresponding blower fan, it is beneficial to improve the calorific value of fuel combustion, the most energy-conservation.
When on described fire grate, the material of conveying is non-burning thing (phosphorus slag of such as Yellow phosphorus furnace output or copper smelter slag, temperature is typically more than 1000 DEG C), each interstage valve action, make each blower fan below described middle-temperature section and low-temperature zone only implement described hot air circulation.
Embodiment 4
On the basis of above-described embodiment 1, there is following modification in the present embodiment:
Such as Fig. 3, the thermal source on described fire grate 2 is high temperature furnace slag or high-temperature material (i.e. temperature is typically more than 1000 DEG C for non-burning thing, the phosphorus slag of such as Yellow phosphorus furnace output or copper smelter slag)；The fresh air of each heat exchanger heating is only delivered in described middle-temperature section and low-temperature zone, or only delivers in described low-temperature zone.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And these spirit belonging to the present invention are extended out obvious change or variation still in protection scope of the present invention among.
Claims (1)
1. a steam generating system, including steam engine, it is characterised in that this steam engine includes:
Multiple pressure closing containers, are located at above thermal source or in thermal source；
Sprayer unit, for each closing container quantification atomized water spray, this water smoke moment under the effect of described thermal source generates high steam；
Steam drum, is connected with each closing container, for storing the high steam from each closing container；
Multiple cylinders, are connected with described steam drum, and the high steam of steam drum output can drive the piston continuous doing work in each cylinder；Described closing container is the vaporizer being made up of body；
Described thermal source is a combustion furnace；Each container of closing is located at above this combustion furnace, is provided with the fire grate for carrying comburant or high temperature furnace slag or high-temperature material in combustion furnace；Each closing container is from the feeding mouth of this fire grate along the feed direction of described fire grate the most alternately；
Described multiple closing containers are arranged in thermal insulation cover, and the lower section of described fire grate is provided with the first blower fan group for sending hot blast to each closing container, and the air vent at described thermal insulation cover top is connected with the air intake vent of described first blower fan group, so that hot air circulation；
The described piston in multiple cylinders drives a bent axle to rotate, and this bent axle and a generating set transmission coordinate, with generating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193013.4A CN105822371A (en) | 2013-10-09 | 2013-10-09 | Working method of power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193013.4A CN105822371A (en) | 2013-10-09 | 2013-10-09 | Working method of power generation system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467756.2A Division CN104566316B (en) | 2013-10-09 | 2013-10-09 | Steam engine and steam generating system |
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| CN105822371A true CN105822371A (en) | 2016-08-03 |
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| CN201610193013.4A Pending CN105822371A (en) | 2013-10-09 | 2013-10-09 | Working method of power generation system |
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| CN101864999A (en) * | 2009-04-19 | 2010-10-20 | 王鑫弘 | High-speed evaporation and circulation steam engine for directly spraying liquid onto hot wall |
| CN201412195Y (en) * | 2009-06-17 | 2010-02-24 | 赵永权 | Device for directly utilizing condensation heat of steam exhausted from steam turbine of power plant |
| CN101881432A (en) * | 2010-08-13 | 2010-11-10 | 邹岳明 | Thermal energy utilization system of high-temperature slag suitable for generating high-pressure heat steam |
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Application publication date: 20160803 |
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