CN202991536U - Three-machine coaxial compressor set for energy recovery - Google Patents
Three-machine coaxial compressor set for energy recovery Download PDFInfo
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- CN202991536U CN202991536U CN 201220633673 CN201220633673U CN202991536U CN 202991536 U CN202991536 U CN 202991536U CN 201220633673 CN201220633673 CN 201220633673 CN 201220633673 U CN201220633673 U CN 201220633673U CN 202991536 U CN202991536 U CN 202991536U
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Abstract
The utility model discloses a three-machine coaxial compressor set for energy recovery. The three-machine coaxial compressor set for energy recovery comprises a coal gas excessive pressure turbomachine, a variable-speed clutch, a compressor, a steam turbine and an auxiliary machine system of the steam turbine, wherein two ends of the compressor are respectively connected to the coal gas excessive pressure turbomachine and the steam turbine; the coal gas excessive pressure turbomachine and the steam turbine drive the compressor together; the coal gas excessive pressure turbomachine is connected to the compressor through the variable-speed clutch; the air inlet of the coal gas excessive pressure turbomachine is connected with a coal gas source with the excessive pressure and excessive heat energy generated in the industrial process; and the output end of the compressor provides necessary compressed air to the industrial device. The coal gas excessive pressure turbomachine and the steam turbine drive the compressor together, the compressor converts a mechanical energy of the coal gas excessive pressure turbomachine and the steam turbine into a pressure energy and a kinetic energy of a technical gas, and the outlet pipeline of the compressor provides the compressed technical gas to the technical system, so that the three-machine coaxial compressor set for energy recovery is satisfied with the requirements of the technical system.
Description
Technical field
The utility model belongs to a kind of energy recycle device of Power Machinery Engineering professional domain, has energy-conserving and environment-protective, reduces the effect of pollution, environment purification, can be widely used in the large and medium-sized enterprise in the fields such as metallurgy, petrochemical industry.
Background technique
At present, environmental pollution problem is day by day serious, country has strengthened energy-saving and emission-reduction work, advocate the raising efficiency of energy utilization, and a series of policies and measures that promote energy-saving and emission-reduction have been formulated, industrial enterprise has taked many Measures in energy-saving and emission-reduction, but still exists a large amount of overbottom pressure waste heat energy, the problem that recovery utilization rate is not high.The recycling universal pattern of overbottom pressure waste heat is the overbottom pressure exhaust heat recovery power generation at present, special in industrial enterprise such as large-scale iron and steel enterprise the by-product of blast furnace process, blast furnace roof is discharged a large amount of coal gas and is had pressure energy and heat energy, it is that coal gas is through the work done of coal gas waste pressure turbine decompressor that energy reclaims, drive that generator generates electricity and online or enterprise personal, the coal gas waste pressure turbine machine low-temp low-pressure gas supply of discharging simultaneously is to other required user.For iron and steel enterprise, under this take-back model, the energy that blast furnace gas has does not take full advantage of thoroughly, the electric energy online that while coal gas waste pressure turbine machine sends sends outside or iron and steel enterprise uses by oneself by internal electric network, this all belongs to the secondary utilization of the energy, this consumption loss and the utilization ratio problem of utilizing mode inevitably to have the energy, and the manpower and financial resources of unit operation and maintenance expends hugely, has the not high problem of overbottom pressure waste heat energy recovery utilization rate.
Along with implementing of nation-building conservation-minded society and energy-saving and emission-reduction work, it is significant to the overbottom pressure UTILIZATION OF VESIDUAL HEAT IN in industrial enterprise's flow, energy recovery aspect that the research energy reclaims the coaxial compressor bank of three machines.
Summary of the invention
For the defective that exists in above-mentioned prior art or deficiency, the purpose of this utility model is, provide a kind of energy to reclaim the coaxial compressor bank of three machines, the utility model is different from the blast-furnace top gas recovery turbine generator set that industrial enterprise such as large-scale iron and steel enterprise generally use, also be different from overbottom pressure, the heat recovery steam turbine generator set widely applied in industrial enterprise, it is that the coal gas with overbottom pressure waste heat energy that will produce in industrial flow reclaims by coal gas waste pressure turbine machine and changes mechanical energy into, but not according to the routine online of generating electricity; Simultaneously, the low-temp low-pressure coal gas that coal gas waste pressure turbine machine is discharged enters the gas fired boiler burning, and gas fired boiler produces high parameter steam, and the energy that high parameter steam has reclaims by steam turbine and changes mechanical energy into; The common drive compression machine of coal gas waste pressure turbine machine and steam turbine, by compressor, the mechanical energy of coal gas waste pressure turbine machine and steam turbine is changed into pressure energy and the kinetic energy of process gas, the outlet conduit of compressor provides compression process gas to process system, satisfies the process system requirement.Therefore, the energy that the overbottom pressure gas using residual heat has has obtained all utilizing fully, has reduced the loss of the secondary conversion of the energy, realizes directly efficient utilization of the energy, has realized the zero-emission of waste gas.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of energy reclaims the coaxial compressor bank of three machines, comprises the auxiliary system of coal gas waste pressure turbine machine, speed change clutch, compressor, steam turbine and steam turbine; The two ends of described compressor connect respectively coal gas waste pressure turbine machine and steam turbine, the common drive compression machine of coal gas waste pressure turbine machine and steam turbine; Be connected by speed change clutch between described coal gas waste pressure turbine machine and compressor; The suction port of described coal gas waste pressure turbine machine is connected by the coal gas source with overbottom pressure waste heat energy that produces in the first pipeline and industrial flow; The output terminal of compressor provides required pressurized gas by the 3rd pipeline to commercial plant.
The utility model also comprises following other technical characteristics:
Described compressor adopts centrifugal compressor or axial flow compressor.
The auxiliary system of described steam turbine comprises vapour condenser, condensate pump, hot well Liquid level adjusting valve, low-pressure heater, oxygen-eliminating device and gas fired boiler; Wherein, the steam-expelling port of described steam turbine is connected to the input end of vapour condenser, vapour condenser, condensate pump, hot well Liquid level adjusting valve, low-pressure heater, oxygen-eliminating device, gas fired boiler connect successively by the 4th pipeline, the output terminal of described gas fired boiler connects the input end of steam turbine by the 4th pipeline, above-mentioned each parts form the Steam Power Circulation that a locking system is completed steam turbine; The relief opening of coal gas waste pressure turbine machine and the fuel gas inlet of gas fired boiler are connected by second pipe.
Described vapour condenser is connected with the cooling water circulation pipeline, and on the cooling water circulation pipeline of vapour condenser feed-water end, circulating water pump is installed.
The beneficial effects of the utility model are as follows:
1, the utility model is bound up on an axle with coal gas waste pressure turbine machine, compressor, steam turbine and fastens, coal gas waste pressure turbine machine and steam turbine Joint Production have been realized, coal gas had pressure energy and the kinetic energy that overbottom pressure waste heat energy is converted into process gas, common drive compression machine provides required pressurized gas to process system, reduced the secondary conversion loss of the energy, realized that in the industrial flow, the efficient of overbottom pressure, waste heat directly utilizes.
2, the utility model has been realized the complete maximum using of exhaust energy in the industrial flow, has realized the zero-emission of waste gas.Has the coal gas of overbottom pressure waste heat energy by after coal gas waste pressure turbine machine recovered energy, the low-temp low-pressure coal gas that coal gas waste pressure turbine machine is discharged burns by gas fired boiler, produce high parameter steam, the energy that high parameter steam has is by the steam turbine recovered energy, again carrying out energy reclaims, the coal gas that has like this overbottom pressure waste heat energy has obtained fully and completely utilizing, reduce pollution, purified environment, realized the zero-emission of waste gas, the energy that waste gas that industrial process produces and waste heat (used heat) are had has obtained maximum using.
3, the utility model adopts coal gas waste pressure turbine machine and the common direct driving compressor machine of steam turbine (coal gas waste pressure turbine machine+compressor+steam turbine) running recovered energy, adopt two to overlap independently systematic comparison with coal gas waste pressure turbine machine driving generator generating (coal gas waste pressure turbine machine+generator) and vapor wheel machine driving generator generating (steam turbine+generator) two cover units commonly used, reduced by a cover system, reduce the operation maintenance personnel, realized centralized control and the centralized management of unit, overall economic efficiency is remarkable.
4, the utility model little investment, instant effect have obvious economy, environmental protection and social benefit.
Description of drawings
Fig. 1 is the structural representation that energy of the present utility model reclaims the coaxial compressor bank of three machines.
Below in conjunction with accompanying drawing the utility model is further explained explanation.
Embodiment
Referring to Fig. 1, the utility model energy reclaims the coaxial compressor bank of three machines, comprises the auxiliary system of coal gas waste pressure turbine machine 1, speed change clutch 2, compressor 3, steam turbine 4 and steam turbine 4; The two ends of described compressor 3 connect respectively coal gas waste pressure turbine machine 1 and steam turbine 4, coal gas waste pressure turbine machine 1 and the common drive compression machine 3 of steam turbine 4; Be connected by speed change clutch 2 between described coal gas waste pressure turbine machine 1 and compressor 3; The output terminal of compressor 3 provides required pressurized gas by the 3rd pipeline 14 to commercial plant.
Described compressor 3 adopts centrifugal compressor or axial flow compressor.
The auxiliary system of described steam turbine 4 comprises vapour condenser 5, condensate pump 7, hot well Liquid level adjusting valve 8, low-pressure heater 9, oxygen-eliminating device 10 and gas fired boiler 11; Wherein, the steam-expelling port of described steam turbine 4 is connected to the input end of vapour condenser 5, vapour condenser 5, condensate pump 7, hot well Liquid level adjusting valve 8, low-pressure heater 9, oxygen-eliminating device 10, gas fired boiler 11 connect successively by the 4th pipeline 15, the output terminal of described gas fired boiler 11 connects the input end of steam turbine 4 by the 4th pipeline 15, above-mentioned each parts form the Steam Power Circulation that a locking system is completed steam turbine 4.
Described vapour condenser 5 is connected with cooling water circulation pipeline 16, and on the cooling water circulation pipeline 16 of vapour condenser 5 feed-water ends, circulating water pump 6 is installed.
The suction port of described coal gas waste pressure turbine machine 1 is connected by the coal gas source with overbottom pressure waste heat energy that produces in the first pipeline 12 and industrial flow; The relief opening of coal gas waste pressure turbine machine 1 is connected by second pipe 13 with the fuel gas inlet of gas fired boiler 11.
Working principle of the present utility model is as follows:
Energy reclaims the coaxial compressor bank of three machines, is the by-product with blast furnace process in industrial flow, and the pressure energy that top gas has and heat energy are converted into mechanical energy through coal gas waste pressure turbine machine 1 with pressure energy and the heat energy that coal gas has; The low-pressure low-temperature coal gas of coal gas waste pressure turbine machine 1 discharge enters gas fired boiler 11 burnings and produces the high parameter steam simultaneously, and high parameter steam is converted into mechanical energy by steam turbine 4 recovered energies; Common drive compression machine 3 runnings of the mechanical energy that coal gas waste pressure turbine machine 1 and steam turbine 4 transform, compressor 3 provides required compression process gas to commercial plant.
the low-pressure low-temperature coal gas that coal gas waste pressure turbine machine 1 is discharged enters gas fired boiler 11 burnings and produces high parameter steam, provide high parameter steam by the 4th pipeline 15 to steam turbine 4, steam is after steam turbine 4 expands acting, exhaust steam enters vapour condenser 5 by steam turbine 4 steam-expelling ports, cooling water circulates in vapour condenser 5 through cooling water circulation pipe-line system 16 and circulating water pump 6, exhaust steam is condensed into water, the latent heat of vaporization that discharges, being recycled water by pipe-line system 16 takes away, after condensate pump 7 improves pressure with water of condensation, deliver to low-pressure heater 9 heating through hot well Liquid level adjusting valve 8, then water of condensation is through oxygen-eliminating device 10, enter gas fired boiler 11 and produce high parameter steam, the output terminal of gas fired boiler 11 connects the input end of steam turbine 4 by the 4th pipeline 15, complete the Steam Power Circulation of steam turbine 4.The coal gas waste pressure turbine machine 1 low-pressure low-temperature coal gas of discharging has obtained taking full advantage of thoroughly by gas fired boiler 11 burnings like this, has realized the zero-emission of waste gas, makes the waste gas of industrial process and the energy that waste heat (used heat) has obtain directly efficient utilization.
To sum up, application of the present utility model has important energy-conserving and environment-protective meaning for large and medium-sized industrial enterprise.In addition in the grassroot project plant design, the utility model has been realized the maximization that in the industrial flow, overbottom pressure, gas using residual heat utilize, by coal gas waste pressure turbine machine and the common directly Driven by Coaxial compressor of steam turbine, reduce energy conversion loss, improve efficiency of energy utilization, the most important thing is simultaneously to have realized the zero-emission of coal gas.Energy reclaims coaxial compressor bank little investment, the instant effect of three machines, has obvious economy, environmental protection and social benefit, and the system synthesis benefit is good, will be widely used.
Claims (4)
1. an energy reclaims the coaxial compressor bank of three machines, it is characterized in that, comprises the auxiliary system of coal gas waste pressure turbine machine (1), speed change clutch (2), compressor (3), steam turbine (4) and steam turbine (4); The two ends of described compressor (3) connect respectively coal gas waste pressure turbine machine (1) and steam turbine (4), coal gas waste pressure turbine machine (1) and the common drive compression machine (3) of steam turbine (4); Be connected by speed change clutch (2) between described coal gas waste pressure turbine machine (1) and compressor (3); The suction port of described coal gas waste pressure turbine machine (1) is connected by the coal gas source with overbottom pressure waste heat energy that produces in the first pipeline (12) and industrial flow; The output terminal of compressor (3) provides required pressurized gas by the 3rd pipeline (14) to commercial plant.
2. energy as claimed in claim 1 reclaims the coaxial compressor bank of three machines, it is characterized in that, described compressor (3) adopts centrifugal compressor or axial flow compressor.
3. energy as claimed in claim 1 reclaims the coaxial compressor bank of three machines, it is characterized in that, the auxiliary system of described steam turbine (4) comprises vapour condenser (5), condensate pump (7), hot well Liquid level adjusting valve (8), low-pressure heater (9), oxygen-eliminating device (10) and gas fired boiler (11); Wherein, the steam-expelling port of described steam turbine (4) is connected to the input end of vapour condenser (5), vapour condenser (5), condensate pump (7), hot well Liquid level adjusting valve (8), low-pressure heater (9), oxygen-eliminating device (10), gas fired boiler (11) connect successively by the 4th pipeline (15), the output terminal of described gas fired boiler (11) connects the input end of steam turbine (4) by the 4th pipeline (15), above-mentioned each parts form a locking system and complete the Steam Power Circulation of steam turbine (4); The fuel gas inlet of the relief opening of coal gas waste pressure turbine machine (1) and gas fired boiler (11) is connected by second pipe (13).
4. energy as claimed in claim 3 reclaims the coaxial compressor bank of three machines, it is characterized in that, described vapour condenser (5) is connected with cooling water circulation pipeline (16), and on the cooling water circulation pipeline (16) of vapour condenser (5) feed-water end, circulating water pump (6) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633673 CN202991536U (en) | 2012-11-26 | 2012-11-26 | Three-machine coaxial compressor set for energy recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633673 CN202991536U (en) | 2012-11-26 | 2012-11-26 | Three-machine coaxial compressor set for energy recovery |
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| Publication Number | Publication Date |
|---|---|
| CN202991536U true CN202991536U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220633673 Ceased CN202991536U (en) | 2012-11-26 | 2012-11-26 | Three-machine coaxial compressor set for energy recovery |
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| CN (1) | CN202991536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703919A (en) * | 2016-12-30 | 2017-05-24 | 中国科学院理化技术研究所 | Residual pressure and waste heat comprehensive utilization system for gas boiler room |
-
2012
- 2012-11-26 CN CN 201220633673 patent/CN202991536U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703919A (en) * | 2016-12-30 | 2017-05-24 | 中国科学院理化技术研究所 | Residual pressure and waste heat comprehensive utilization system for gas boiler room |
| CN106703919B (en) * | 2016-12-30 | 2018-05-29 | 中国科学院理化技术研究所 | A kind of pipeline for gas overbottom pressure waste heat comprehensive utilization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20190423 Decision number of declaring invalidation: 39868 Granted publication date: 20130612 |
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| IW01 | Full invalidation of patent right |