CN205137496U - System for gas boiler and gas turbine flue gas are used for gas to transfer storage - Google Patents

System for gas boiler and gas turbine flue gas are used for gas to transfer storage Download PDF

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Publication number
CN205137496U
CN205137496U CN201520852663.6U CN201520852663U CN205137496U CN 205137496 U CN205137496 U CN 205137496U CN 201520852663 U CN201520852663 U CN 201520852663U CN 205137496 U CN205137496 U CN 205137496U
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gas
air
flue gas
storage
equipment
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CN201520852663.6U
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汤广伟
杨银仁
张得平
徐田胜
刘朋辉
金诚骁月
韩国晨
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Sinopec Engineering Group Co Ltd
Sinopec Ningbo Engineering Co Ltd
Sinopec Ningbo Technology Research Institute
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Sinopec Engineering Group Co Ltd
Sinopec Ningbo Engineering Co Ltd
Sinopec Ningbo Technology Research Institute
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Abstract

The utility model relates to a system for gas boiler and gas turbine flue gas are used for gas to transfer storage, including waste heat recovery apparatus, gas -liquid separation jar, lime set collection box, flue gas drying equipment, gas storage equipment and air cleaner, because to be used for gas to transfer the gas temperature of storage be normal atmospheric temperature, and the temperature of original flue gas is generally 90~250 DEG C of left and right sides, and the centre has a large amount of difference in temperature to consume or to utilize, the utility model discloses having set up the waste heat of waste heat recovery system in to the flue gas and having retrieved, the waste heat of recovery can be used to heating boiler feedwater, heating heating medium, boiler air feed, device with drying medium, heat pump cycle medium etc. Has improved the utilization ratio of the energy, carry out gas -liquid separation to the flue gas after that, the lime set is stored reservely, and the flue gas after most the processing enters inert gas gas storage equipment and stores, is used for the food in the storeroom fresh -keeping with the air cooperation to make the flue gas effectively utilized, and need not to set up solitary inert gas production equipment, showing the running cost that has reduced the storage of gas accent.

Description

Gas fired-boiler and gas turbine flue gas are used for the system of air-conditioning storage
Technical field
The utility model relates to the reutilization technology field of gas fired-boiler and gas turbine flue gas, specifically refers to that a kind of gas fired-boiler and gas turbine flue gas are used for the system of air-conditioning storage.
Background technology
All can produce the flue gas of a large amount of gas fired-boiler and gas turbine in annual worldwide, the main component in these flue gases composition is N 2, CO 2, H 2o, dust, SO 2, NO xdeng, still contained a large amount of available resources, and be mostly in prior art to recycle the heat in flue gas, flue gas itself then needs directly to discharge after treatment, this not only adds fume treatment cost, also result in the serious wasting of resources.
Air conditioned storage is the abbreviation of adjustments of gas composition storage, refers to that the gas componant changed in storage environment carrys out a kind of method of stored product, comprehensive refrigeration and adjusting ambient gas componant two aspect technology.In normal air, oxygen content is 20.95%, and nitrogen is 78.09%, and carbon dioxide is 0.03%, other inert gases 0.93%, the food own physiological biochemical process causing food quality to decline and microbial action process, most relevant with oxygen and carbon dioxide.Therefore, various controlled atmosphere means all using these two kinds of gases as controlled plant, N 2filler effect is played as inert gas.The core of air conditioning technology be by food around gas regulation become gas containing low oxygen concentration and high carbon dioxide compared with normal atmosphere, coordinate suitable temperature conditions, extend the life-span of food.The gas componant changed in storage environment normally increases N 2and CO 2concentration, reduces O 2concentration and regulate its gas composition concentration according to demand.
The main controlled atmosphere method adopted mainly contains combustion-type controlled atmosphere method, adsorbing separation controlled atmosphere method and method rich nitrogen controlled atmosphere method at present, wherein, combustion-type air adjusting machine principle is that mist (storehouse gas+hydro carbons liquefied gas) carries out high temperature flameless combustion under the effect of catalyst, consume oxygen, reach the object of falling oxygen, the too much CO produced in combustion process 2remove through active carbon adsorber.The method needs to consume a large amount of fuel, and can produce too much CO in combustion process 2, wayward flue gas composition.Adsorbing separation controlled atmosphere method utilizes varying-voltage adsorption nitrogen machine to carry out the separation of oxygen N2 adsorption, thus the method realizing getting rid of oxygen, supplement nitrogen, the representative equipment of the method is carbon molecular sieve nitrogen-making machine, molecular sieve air adjusting machine is that storehouse gas is pressurized to 0.6MPa through compressor, cooled by freeze drier, be introduced into adsorption system after entering oil eliminator, place O in this adsorption system 2and CO 2have the adsorbent of molecular sieve of high adsorption selectivity, the nitrogen producing various purity by pressure-variable adsorption (PSA) technique replaces gas in storehouse.While this method removing oxygen, can effectively remove the harmful components such as ethene, acetaldehyde, ethanol, but need storehouse gas to be pressurized to 0.6MPa through compressor, then cooled by freeze drier, energy consumption is very big.Method rich nitrogen controlled atmosphere method utilizes the selectively penetrating feature of film to be separated the gas technology method with different permeability characteristics, modern UF membrane mainly uses hollow fiber technology, hollow fiber membrane nitrogen machine is that air is under uniform temperature and pressure, by film diffusion principle, different to the infiltration coefficient of film according to gas, be separated O 2and CO 2, produce N 2for in warehouse-in.Its core component is hollow fiber film assembly, be made up of withstand voltage steel shell and separating core, separating core is made up of thousands of hollow fiber conduits, and the material of hollow-fibre membrane has polysulfones, ethyl cellulose, Triafol T, SPSF and polysiloxanes-polysulfone composite membrane etc.Raw air enters in fibre pipe from one end after treatment, and oxygen penetrates into pipe and discharges in ligament enrichment in pipe; Nitrogen is discharged from the other end through fibre pipe.The method also needs within air compressing to 1MPa, and energy consumption is comparatively large, and the input of equipment and operating cost higher, cause the cost of air conditioned storage to remain high.
The flue gas of gas fired-boiler and gas turbine is applied to air conditioned storage can effective use of energy sources, reduce air-conditioning storage cost, and this idea and concrete equipment do not disclose in the prior art.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, provides a kind of flue gas can be made to be utilized effectively, significantly reduces the gas fired-boiler of air-conditioning storage cost and gas turbine flue gas for the system of air-conditioning storage.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of gas fired-boiler and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: comprise waste heat recovery apparatus, knockout drum, lime set collection box, flue gas drying equipment, gas storage equipment and air cleaner, described waste heat recovery apparatus has the air inlet for gas fired-boiler and gas turbine flue gas input, the gas outlet of described waste heat recovery apparatus is connected with the air inlet of knockout drum, lime set collection box is flowed into for subsequent use through the isolated lime set of described knockout drum, described knockout drum is provided with the outlet of discharging for unnecessary flue gas, the gas outlet of described knockout drum is communicated with the air inlet of flue gas drying equipment, described gas storage equipment comprises air gas storage equipment and inert gas gas storage equipment, the gas outlet of described flue gas drying equipment is connected with the air inlet of inert gas gas storage equipment, described air cleaner has the air inlet for cold air input, the gas outlet of described air cleaner is connected with the air inlet of air gas storage equipment, the gas outlet of described air gas storage equipment and inert gas gas storage equipment passes in storeroom respectively.
As improvement, described air gas storage equipment and the pipeline between inert gas gas storage equipment and storeroom are provided with oxygen content detector and the first gas flowmeter, and the appendix of air gas storage equipment and inert gas gas storage equipment are respectively arranged with the first control valve, second control valve that can regulate corresponding gas flow size.
As preferably, described flue gas drying equipment is the drying machine that can regulate flue gas water content.
Preferably, the pipeline between described knockout drum and flue gas drying equipment is provided with the second gas flow and takes into account the first booster fan.
Preferably, the pipeline between described knockout drum and flue gas drying equipment is also provided with the first damper of energy adjusting gas flow, between described knockout drum and outlet, is provided with the second damper.
Preferably, the second booster fan is provided with between described air cleaner and air gas storage equipment.
Preferably, described waste heat recovery apparatus at least includes one-level heat-exchanger rig or secondary heat exchange device.
Preferably, the lime set in described lime set collection box is discharged through a positive displacement pump and recycles.
Compared with prior art, the utility model has the advantage of: the utility model provides the system that a kind of off-gas recovery utilizes, owing to being normal temperature for the gas temperature of air-conditioning storage, and the temperature of raw flue gas is generally at about 90 ~ 250 DEG C, therefore, centre has a large amount of temperature difference to need to consume or utilize, the utility model is provided with residual neat recovering system and reclaims the waste heat in flue gas, the waste heat reclaimed can be used for heating boiler feed water, heating medium, boiler air feed, device drying medium, heat pump cyclic medium etc., improves the utilization rate of the energy; Then gas-liquid separation is carried out to flue gas, lime set stores for future use, flue gas after major part process enters inert gas gas storage equipment and stores, and the food fresh-keeping be used in storeroom is coordinated with air, thus flue gas is utilized effectively, and produce equipment without the need to arranging independent inert gas, significantly reduce the operating cost of air-conditioning storage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the detailed construction schematic diagram of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As Fig. 1, shown in 2, the system that the gas fired-boiler of the present embodiment and gas turbine flue gas are used for air-conditioning storage comprises waste heat recovery apparatus 1, knockout drum 2, lime set collection box 9, flue gas drying equipment 3, gas storage equipment 4 and air cleaner 5, waste heat recovery apparatus 1 has the air inlet inputted for gas fired-boiler and gas turbine flue gas 10, the gas outlet of waste heat recovery apparatus 1 is communicated with the air inlet of knockout drum 2, lime set collection box 9 is flowed into for subsequent use through the isolated lime set of knockout drum 2, knockout drum 2 is provided with the outlet 21 of discharging for unnecessary flue gas, the gas outlet of knockout drum 2 is communicated with the air inlet of flue gas drying equipment 3, gas storage equipment 4 comprises air gas storage equipment 41 and inert gas gas storage equipment 42, the gas outlet of flue gas drying equipment 3 is connected with the air inlet of inert gas gas storage equipment 42, air cleaner 5 has the air inlet inputted for cold air 51, the gas outlet of air cleaner 5 is connected with the air inlet of air gas storage equipment 41, the gas outlet of air gas storage equipment 41 and inert gas gas storage equipment 42 passes in storeroom 6 respectively.
In the present embodiment, air gas storage equipment 41 and the pipeline between inert gas gas storage equipment 42 and storeroom 6 are provided with oxygen content detector 20 and the first gas flowmeter 30, and the appendix of air gas storage equipment 41 and inert gas gas storage equipment 42 are respectively arranged with first control valve 40, second control valve 50 that can regulate corresponding gas flow size.Flue gas drying equipment 3 in the present embodiment is the drying machine that can regulate flue gas water content.
Pipeline between knockout drum 2 and flue gas drying equipment 3 is provided with the second gas flowmeter 60, first booster fan 70.Pipeline between knockout drum 2 and flue gas drying equipment 3 is also provided with the first damper 24 of energy adjusting gas flow, between knockout drum 2 and outlet 21, is provided with the second damper 25.Between air cleaner 5 and air gas storage equipment, 41 are provided with the second booster fan 80.Waste heat recovery apparatus 1 at least includes one-level heat-exchanger rig or secondary heat exchange device.Lime set in lime set collection box 9 is discharged through a positive displacement pump 91 and recycles.
When the gas fired-boiler of the present embodiment and gas turbine flue gas are used for the system cloud gray model of air-conditioning storage, owing to being normal temperature for the gas temperature of air-conditioning storage, and the temperature of raw flue gas is generally at about 90 ~ 250 DEG C, therefore, centre has a large amount of temperature difference to need to consume or utilize, waste-heat recovery device 1 can reclaim the waste heat in flue gas, the waste heat reclaimed can be used for heating boiler feed water, heating medium, boiler air feed, device drying medium, heat pump cyclic medium etc., improves the utilization rate of the energy; Then gas-liquid separation is carried out to flue gas, lime set stores for future use, most of flue gas after knockout drum 2 processes enters inert gas gas storage equipment 42 and stores, and the food fresh-keeping be used in storeroom 6 is coordinated with air, thus flue gas is utilized effectively, and produce equipment without the need to arranging independent inert gas, significantly reduce the operating cost of air-conditioning storage.

Claims (7)

1. a gas fired-boiler and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: comprise waste heat recovery apparatus, knockout drum, lime set collection box, flue gas drying equipment, gas storage equipment and air cleaner, described waste heat recovery apparatus has the air inlet for gas fired-boiler and gas turbine flue gas input, the gas outlet of described waste heat recovery apparatus is connected with the air inlet of knockout drum, lime set collection box is flowed into for subsequent use through the isolated lime set of described knockout drum, described knockout drum is provided with the outlet of discharging for unnecessary flue gas, the gas outlet of described knockout drum is communicated with the air inlet of flue gas drying equipment, described gas storage equipment comprises air gas storage equipment and inert gas gas storage equipment, the gas outlet of described flue gas drying equipment is connected with the air inlet of inert gas gas storage equipment, described air cleaner has the air inlet for cold air input, the gas outlet of described air cleaner is connected with the air inlet of air gas storage equipment, the gas outlet of described air gas storage equipment and inert gas gas storage equipment passes in storeroom respectively.
2. gas fired-boiler according to claim 1 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: described air gas storage equipment and the pipeline between inert gas gas storage equipment and storeroom are provided with oxygen content detector and the first gas flowmeter, and the appendix of air gas storage equipment and inert gas gas storage equipment is respectively arranged with the first control valve, second control valve that can regulate corresponding gas flow size.
3. gas fired-boiler according to claim 1 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: described flue gas drying equipment is the drying machine that can regulate flue gas water content.
4. gas fired-boiler according to claim 1 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: the pipeline between described knockout drum and flue gas drying equipment is provided with the second gas flow and takes into account the first booster fan.
5. gas fired-boiler according to claim 4 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: the first damper pipeline between described knockout drum and flue gas drying equipment being also provided with energy adjusting gas flow, is provided with the second damper between described knockout drum and outlet.
6. gas fired-boiler according to claim 1 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: be provided with the second booster fan between described air cleaner and air gas storage equipment.
7. gas fired-boiler according to claim 1 and gas turbine flue gas are used for the system of air-conditioning storage, it is characterized in that: described waste heat recovery apparatus at least includes one-level heat-exchanger rig or secondary heat exchange device.
CN201520852663.6U 2015-10-30 2015-10-30 System for gas boiler and gas turbine flue gas are used for gas to transfer storage Active CN205137496U (en)

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CN201520852663.6U CN205137496U (en) 2015-10-30 2015-10-30 System for gas boiler and gas turbine flue gas are used for gas to transfer storage

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028844A (en) * 2021-04-02 2021-06-25 攀枝花攀钢集团设计研究院有限公司 Blast furnace hot blast stove flue gas waste heat recovery device and recovery method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028844A (en) * 2021-04-02 2021-06-25 攀枝花攀钢集团设计研究院有限公司 Blast furnace hot blast stove flue gas waste heat recovery device and recovery method

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