CN108980863A - One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering - Google Patents

One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering Download PDF

Info

Publication number
CN108980863A
CN108980863A CN201810608850.8A CN201810608850A CN108980863A CN 108980863 A CN108980863 A CN 108980863A CN 201810608850 A CN201810608850 A CN 201810608850A CN 108980863 A CN108980863 A CN 108980863A
Authority
CN
China
Prior art keywords
fused salt
gas
heat
outlet
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810608850.8A
Other languages
Chinese (zh)
Other versions
CN108980863B (en
Inventor
高鹏飞
苟小龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing University
Original Assignee
Chongqing University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing University filed Critical Chongqing University
Priority to CN201810608850.8A priority Critical patent/CN108980863B/en
Publication of CN108980863A publication Critical patent/CN108980863A/en
Application granted granted Critical
Publication of CN108980863B publication Critical patent/CN108980863B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/063Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating electric heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/10Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/20Waste heat recuperation using the heat in association with another installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00Control
    • F23G2207/40Supplementary heat supply

Abstract

The invention discloses one kind to utilize method based on the pretreated gas oxidizing fire of desulfurization dewatering, include the steps that carrying out oxidizing fire to gas by gas oxidizing fire device, it is characterized in that, moisture adsorbent filler and/or sulphur content adsorbent filler are set in the inlet channel and outlet passageway of gas oxidizing fire device, and according to Fixed Time Interval cyclic switching inlet channel and outlet passageway into outgassing direction, it realizes the adsorption treatment to moisture in air inlet and/or sulphur content, while to realize in outlet passageway and the desorption of moisture and/or sulphur content is handled.The present invention can pre-process air inlet, to improve utilization efficiency of heat energy and improve security performance.

Description

One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering
Technical field
The present invention relates to field of energy utilization;More particularly to the de- based on desulfurization of a kind of pair of low concentration gas heat energy utilization The gas oxidizing fire of water pretreatment utilizes method.
Background technique
Low concentration gas refers to the coal bed gas that methane concentration is lower than 30%, is divided into wind resource assessment (" idle air ") and draws out methane Two parts.Wherein, ventilation air gas refers to the coal mine gas that methane concentration is lower than 0.75%.According to the statistics made by the departments concerned, China every year by The methane that idle air is discharged into atmosphere is equivalent to the displacement of transfering natural gas from the west to the east 1 year, and the greenhouse gases effect of generation is about 200,000,000 tons of titanium dioxides Carbon equivalent.
Therefore ventilation air gas and low concentration gas (especially concentration < 8% can not the low concentration gas that utilizes of the direct generation of electricity) be logical The approach that regenerative oxidation technology is utilized is crossed, has industrial application case in colliery scene.The technology is destroying methane While, and exportable thermal energy meets a variety of coal mine loads (electricity consumption, heat supply and refrigeration) demand, realizes reducing emission of carbon dioxide and mentions For the double effects of alternative energy source solution.
However, as used the various loads of gas regenerative oxidation supply of technology coal mine, when gas source deficiency is difficult to all meet most When big load, then system needs to configure the load supply equipment of auxiliary.It will lead to oxidation again when load variations amplitude is larger to supply The problems such as utilization efficiency of hot systems is relatively low.By taking gas regenerative oxidation heating system as an example, when gas gas source deficiency, gas stores Thermal oxide heating system fan-out capability is insufficient for whole heating demands, then needs auxiliary configuration gas fired-boiler or other heat supplies Approach carries out supplement satisfaction.Simultaneously because temperature on average difference is larger round the clock for Heating Season, the construction of gas regenerative oxidation heating system Though scale is not able to satisfy night peak load demand, and the fan-out capability of daytime period gas regenerative oxidation heating system has richness Abundant, there are certain heating capacity " wastes ".Such as increase the heat storage function of gas regenerative oxidation heating system, " peak clipping is filled out for utilization The effect of paddy " stores the thermal energy of daytime period low-load period, increases the heat supply fan-out capability of night-time hours high load capacity phase, can be most The fan-out capability using gas regenerative oxidation heating system of big degree, and make gas regenerative oxidation heating system construction scale Selection more have economy, investment reduction construction cost and operating cost.The energy design thinking for being somebody's turn to do " peak load shifting " is equally suitable For the power generation of gas regenerative oxidation, refrigeration or cooling heating and power generation system.
Patent of invention [201510068174.6] is related to a kind of methane oxidized apparatus and its operating method, and it is dense to be provided with second level Regulating device is spent, and dilutes new device in Gas by way of blending tail gas, while utilizing the thermal energy of tail gas.Patent of invention [201110276483.4] be a kind of two bed vertical structures Ventilated gas oxidizing system, in the oxidation of gas regenerative oxidation device Setting pattern wall heat-transfer surface in chamber outer wall, and internal thermal insulation layer is set on the inside of mode wall heat-transfer surface, for control model wall Caloric receptivity, i.e., oxidation unit is the integrated design with waste-heat recovery device.Patent of invention [201510272395.5] discloses one Air inlet and heating device is arranged in oxidation furnace body bottom portion in kind of ventilation air methane oxidized apparatus, startup stage by heating device, The ramp case of ceramic vortex flow device, is gradually passed through ventilation air gas, achievees the effect that start-up temperature is accelerated, saves startup stage energy Consumption.
The existing patented technology of above three is the fixation output mode of oxidation unit, i.e. maximum output ability is limited by watt This gas source concentration, and in underload gas regenerative oxidation using system utilization rate it is lower, can not by storage underload when Oxidation unit quantity of heat given up, and heat is discharged in high load capacity, to realize " peak load shifting " of load.
In addition, the device in Gas and ventilation air gas of the practical extraction of coal mine are in different regions condition of coal seam occurrence difference, gas source group Dividing also has larger difference, is such as located at the coal mine of Xinjiang Urumqi, H in device in Gas2S content is higher, such as directly carries out accumulation of heat Burning (oxidation) utilizes, and can generate acid corrosion to system pipeline, valve, instrument and equipment, influence service life and system safety. And the desulfurization process technology generallyd use is absorption process (technologies such as wet desulphurization), utilizes system entering heat-accumulation combustion (oxidation) Before, the pretreatment of desulfurization is carried out to gas source.This preprocessing process can not be by H2S is completely removed, and is usually only capable of handling To up to discharge index hereinafter, can still be filled out to the accumulation of heat loaded in regenerative chamber after entering gas heat-accumulation combustion reactor with gas source Material generates slowly corrosion, and (inertia accumulation of heat filler, generally commercialization finished product, lead to complicated components, longtime running because artificial synthesized It is also easy to produce acid corrosion), influence operational safety.In addition, such desulfurization technological system equipment is huge, complicated for operation, high investment, and Gas source transporting resistance can be dramatically increased, higher operating cost is generated.
The gas gaseous mixture gas source of ultralow concentration gas regenerative oxidation system may also contain liquid free water, free water There are 2 parts in source: being on the one hand to contain moisture from underground mash gas extraction, it is low dense to be on the other hand that mash gas extraction flows through wet type Degree gas delivery safety safeguards system carries the moisture into pipe gas transmission stream.Dehydration usually uses in gas source conveying section mechanical de- Hydrophone (gravity type, wire mesh etc.) carries out.Scene use the result shows that, mechanical dehydration device dehydrating effect and simultaneously pay no attention to Think still there are a large amount of liquid free waters possibly into gas heat-accumulation combustion reactor, and absorbs methane oxidation in heating gasification Heat reduces the quantity of heat given up of regenerative oxidation device, influences utilization efficiency of heat energy (generating efficiency, refrigerating efficiency or heating efficiency Deng).
The existing methane oxidized apparatus patent of above three is also not directed to gas source sulfur-bearing and asks containing liquid free moisture The solution of topic.
Summary of the invention
In view of the above shortcomings of the prior art, the technical issues of institute's overriding concern of the present invention solves is: how to provide one kind Air inlet can be pre-processed, with improve utilization efficiency of heat energy and improve security performance based on pretreated watt of desulfurization dewatering This oxidizing fire utilizes method;And further give consideration to how that solution can better adapt to load variations situation, improve underload When to the heat utilization rate of the gas of ventilation air gas and low concentration the problem of.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
One kind based on the pretreated gas oxidizing fire of desulfurization dewatering utilize method, including by gas oxidizing fire device to watt This carries out the step of oxidizing fire, which is characterized in that is arranged in the inlet channel and outlet passageway of gas oxidizing fire device Moisture adsorbent filler and/or sulphur content adsorbent filler, and it is logical according to Fixed Time Interval cyclic switching inlet channel and outlet Road into outgassing direction so that being realized by moisture adsorbent filler and/or sulphur content adsorbent filler to air inlet in inlet channel The adsorption treatment of middle moisture and/or sulphur content, while to realize by the waste heat supply temperature of outlet to water adsorption in outlet passageway The desorption of the adsorption moisture and/or sulphur content processing in upper circulation time section of agent filler and/or sulphur content adsorbent filler.
In this way, the moisture being mingled in gas, sulphur content can be fallen by adsorption desorption packing layer adsorption treatment, moisture is avoided to cause Burn Inner Wall of Combustion Chamber etching problem caused by insufficient and sulphur content, improves efficiency of combustion and extends combustion chamber use Service life improves safety.Moreover, so circulation, no replacement is required material, have just reached the permanent processing to air inlet impurity and have imitated Fruit is handled very convenient reliable and efficient.
The above method can realize that the gas oxidizing fire device includes shell using gas oxidizing fire device below Combuster is arranged in body, enclosure interior, and auxiliary burner is provided in combustion chamber, is additionally provided with below combustion chamber and is communicated and be used for Pass in and out gas into air outlet structure, be additionally provided with and take heat utilization system, taking heat utilization system includes the height being arranged in above combustion chamber Wet air hatch, and the heat exchange and heat energy utilization equipment that are connected with High Temperature Gas air hatch;It is described to include connection into air outlet structure It is set to the disengaging gas chamber of four horizontal alignments of combustion chamber lower end, is provided in each disengaging gas chamber and stores heat release filler Layer and adsorption desorption packing layer are provided with moisture adsorbent filler and/or sulphur content adsorbent filler in adsorption desorption packing layer;Each into Outlet chamber lower end, which is respectively mounted, is connected with air inlet branch road pipeline and outlet bypass line, is provided with air inlet on air inlet branch road pipeline and cuts It changes valve and is connected to air inlet main road pipeline, air inlet main air blower is arranged in air inlet main road pipeline, is provided with outlet in outlet bypass line Switching valve and it is connected to outlet main road pipeline, outlet main road pipeline is connected to chimney outlet.
The gas oxidizing fire apparatus structure is simple, easy to implement, and can be realized the present processes to water in air inlet Divide and/or the desorption of sulphur content is handled.
The above method can also realize that the gas oxidizing fire device includes using gas oxidizing fire device below Shell, enclosure interior be arranged combuster, and communicated with combustion chamber and be used to pass in and out gas into air outlet structure, be additionally provided with and take Heat utilization system, wherein taking heat utilization system includes the fused salt heat exchanging device of setting inside housings, is had in fused salt heat exchanging device molten Salt cavity is simultaneously filled with fused salt, and fused salt cavity is connected with fused salt flow ipe and fused salt outflow pipeline respectively, and fused salt flows into pipe Road connects out shell with fused salt outflow pipeline outer end and is connected to heating heat exchange component, the fused salt flow ipe or fused salt stream Being provided with molten salt circulating pump on pipeline out makes it constitute fused salt circulation canal, and the heating heat exchange component is used to form user side confession It is warm, take the fused salt storage tank that heat utilization system further includes and the heat exchange component that heats is arranged in parallel;
It is described into air outlet structure include connection be set to combustion chamber lower end four horizontal alignments disengaging gas chamber, each disengaging It is provided in gas chamber and stores heat release packing layer and the fused salt heat exchanging device, the fused salt flow ipe and fused salt flow out pipeline It respectively include being connected to the main road pipeline of user side and being connected respectively to the bypass line of four fused salt heat exchanging devices, bypass line On be provided with bypass line regulating valve;Each disengaging gas chamber lower end, which is respectively mounted, is connected with air inlet branch road pipeline and outlet bypass duct Road is provided with air inlet switching valve on air inlet branch road pipeline and is connected to air inlet main road pipeline, and air inlet master is arranged in air inlet main road pipeline Blower is provided with outlet switching valve in outlet bypass line and is connected to outlet main road pipeline, and outlet main road pipeline is connected to cigarette Chimney outlet;
In each disengaging gas chamber, it is additionally provided with adsorption desorption packing layer, moisture adsorbent filler is provided in adsorption desorption packing layer And/or sulphur content adsorbent filler.
In this way, taking heat utilization system using what fused salt obtained, fused salt feature with large heat capacity is utilized, by the molten of setting Extra heat can be stored in fused salt storage tank by salt storage tank when user side heats underload, then big in heating demands When again by fused salt storage tank heat derives carry out heat supply.Therefore the function and effect of " peak load shifting " are realized, it can Load variations situation is better adapted to, to the heat utilization rate of the gas of ventilation air gas and low concentration when improving underload.
Meanwhile passing in and out gas chamber and can switch air inlet and outgassing direction, make in its operational process, at interval of going out for a period of time Airintake direction is switched to after gas, so that the raised storage heat release filler of temperature is caused to be that air inlet carries out in advance during outlet of upper stage Heat, and on last stage since the storage heat release filler that waste heat air inlet causes temperature to gradually decrease can be again by outlet in intake process Heating, circuits sequentially, and ensure that the pre-heat effect to air inlet, and then the combustion chambers burn guaranteed is abundant and reliable, greatly Improve efficiency of combustion.
And importantly, it is capable of forming the chamber of two air inlets in this way using four disengaging gas chamber in this programme The chamber of room and two outlets, and so that can control single when disengaging autogenous cutting changes and only switch one group of disengaging gas chamber Into outgassing direction, it is constant to retain another group of disengaging gas chamber direction.The structure of compared to two in this way disengaging gas chamber, is not only only capable of Enough so that single regenerative chamber cross-sectional area halves when handling same traffic, is conducive to air-flow and is uniformly distributed, avoid accumulation of heat body heat content Local cluster, safety in operation is more excellent, change-over valve diameter reduction, is conducive to processing;And importantly, four cell-types compare two Cell-type structure, single process switch the flow direction of a regenerative chamber, and (instantaneous flow 0) is to front end when avoiding while switching Conveying fan causes the influence to build the pressure, improves the fan operation service life, has ensured safety in operation.In addition, four cell-type structure phases Than two cell structures, due to not having to the safety issue for excessively worrying that switching frequently results in, therefore can also exist in single inlet plenum It is switched to out gaseity when higher temperature, it is completely unburned can thus to greatly reduce air inlet side cavity in commutation process Gas there is a situation where escaping, improve the level of resources utilization.Meanwhile when four cell-type structure switchings, burning Indoor Air is improved The single situation in body flow direction avoids combustion chamber and dead angle position occurs so that burning indoor gas mobility status is more complicated Insufficient situation that causes to burn is set, combustion efficiency of combustion chamber is greatly improved.
Meanwhile the moisture being mingled in gas, sulphur content can be fallen by adsorption desorption packing layer adsorption treatment, avoid moisture from causing Burn Inner Wall of Combustion Chamber etching problem caused by insufficient and sulphur content, improves efficiency of combustion and extends combustion chamber use Service life.Moreover, the unique location that the adsorption desorption packing layer of the setting is arranged, the disengaging for being able to carry out switching in conjunction with the present apparatus are depressed Structure, so that being adsorbed onto the moisture of adsorption desorption packing layer in intake process, sulphur content can be desorbed with outlet again after disengaging autogenous cutting changes It takes away, so recycles.Therefore an adsorption desorption packing layer is simply relied on, no replacement is required material has just reached to air inlet impurity Permanent treatment effect is handled very convenient reliable and efficient.
As optimization, it is separated by inside the fused salt storage tank and is formed with a high temperature chamber and cryogenic chamber, outside high temperature chamber Wall is provided with the storage tank fused salt flow ipe for being communicated to fused salt outflow pipeline, has been arranged in series storage tank on storage tank fused salt flow ipe Fused salt inlet valve and storage tank pump for liquid salts are additionally provided with the storage tank fused salt effuser for being communicated to fused salt effuser outside high temperature chamber Road, storage tank fused salt outflow pipeline is connected to storage tank fused salt flow ipe front, and (orientation description is forward with fused salt flowing in pipeline Before direction is, opposite direction is rear) and between fused salt outflow pipeline on be additionally provided with fused salt to heat user regulating valve; The cryogenic chamber connection of the fused salt storage tank is set in fused salt flow ipe, is connected between the high temperature chamber and cryogenic chamber It is arranged and is provided with high temperature to low-temperature molten salt regulating valve in communicating position.
In this way, when user side load is smaller, it, can be molten by adjusting when combustion chamber heat output valve is greater than user side load Salt to heat user regulating valve reduces flow, opens simultaneously storage tank fused salt inlet valve and storage tank pump for liquid salts and high temperature to low-temperature molten salt Regulating valve, so that extra part high-temperature molten salt is flowed into heat deposit in the high temperature chamber of fused salt storage tank.Work as user Side load is larger, and when combustion chamber heat output valve is less than user side load, adjustable fused salt to heat user regulating valve is all beaten Open, close storage tank fused salt inlet valve and storage tank pump for liquid salts, high temperature to low-temperature molten salt regulating valve stay open it is unimpeded so that combustion chamber High-temperature molten salt is inputted for user side jointly with fused salt storage tank, and heat is provided.When combustion chamber heat output and the user side equilibrium of supply and demand or Person's fused salt storage tank fills with high-temperature molten salt without when carrying out high-temperature molten salt supplement, fully opening fused salt to heat user regulating valve, Storage tank fused salt inlet valve and storage tank pump for liquid salts and high temperature are simultaneously closed off to low-temperature molten salt regulating valve.Therefore in this way, use will Fused salt storage tank is divided into high temperature low temperature two chambers, and two chambers are by regulating valve connection control and cryogenic chamber is communicates directly to In the circuit of fused salt flow ipe, so that structure is very simple and can reliablely and stablely realize above-mentioned various working control process To adapt to load variations situation, the function and effect of " peak load shifting " are realized, while the structure can also avoid user's side reflux straight It connects and is flowed into high temperature chamber, be more favorable for the heat inside high temperature chamber and keep, reduce energy loss, improve heat utilization effect Rate.
As optimization, the combustion chamber is located at case top, is located at below shell into air outlet structure.More meet hot sky in this way Flow of air rule, is conducive to air burning.
As optimization, top of combustion chamber is additionally provided with booster burners.Convenient light a fire when device begins to use rises in this way Temperature preheating guarantees that device smoothly starts.
As optimization, the shell is the steel sheel for being provided with refractory liner.Heat insulation effect can be improved in this way.
Further, adsorption desorption packing layer is horizontally placed on disengaging gas chamber lower end close to entry position, adsorption desorption filler Layer upper horizontal setting first layer stores heat release packing layer, and first layer, which stores, is arranged fused salt heat exchanging device above heat release packing layer, fused salt changes Close to combustion chamber position, the setting second layer stores heat release packing layer above hot device.
In this way, first passing through adsorption desorption packing layer when air inlet carries out the influence that absorption avoids impurity to subsequent processing, when outlet It can finally realize and be desorbed in favor of tail gas residual temperature by adsorption desorption packing layer, improve tail gas residual temperature utilization efficiency;The warp of air inlet simultaneously It crosses after adsorption desorption packing layer respectively by entering back into after two layers of storage heat release packing layer preheating to combustion chamber, improves charge heating effect Fruit and make air inlet distribution it is more uniform, be conducive to improve subsequent combustion efficiency.In addition, fused salt heat exchanging device setting is stored at two layers Between heat release packing layer, it is conducive to control temperature gradient variation, avoids it during air inlet and outlet, temperature change is too fast and draws Play security risk.
Further, fused salt heat exchanging device is tubular structure, is bolted and sealing element is fixed on disengaging gas chamber On inner wall.It is more conducive to fused salt heat exchanging device in this way to be heated in outlet, and is conducive to improve the effect that is evenly distributed of air inlet.
Further, by-pass line is additionally provided on air inlet main road pipeline to be connected on outlet main road pipeline, by-pass line On bypass line manual switch valve and by-pass line pneumatic on-off valve are installed.
In this way, work normally when, by-pass line close, and when occur gas density transfinite or storage/exothermic layer temperature substantially When security risk occurs in wave propagation system operation, i.e., openable bypass line directly bypasses gas source to chimney, to avoid device fortune There is safety accident in row.
Therefore the present invention is directed to existing gas regenerative oxidation device fan-out capability and is limited to gas source concentration and in underload heat The relatively low problem of utilization rate, the structure by improving gas regenerative oxidation device design, and fused salt is integrated in regenerative oxidation device Heat exchanger controls flue-gas temperature gradient in regenerative chamber, stablizes combustion chamber reaction process, and export corresponding heat and stored, real Now " peak load shifting " of reply thermic load fluctuation.The present invention has system operation peace compared to conventional gas regenerative oxidation device Full reliability is more preferably, heat exchange and combustion process controllability are more preferable, load performance is more excellent and are conducive to reduce system investments and fortune The advantages that row expense.
Detailed description of the invention
When Fig. 1 is that the present invention is implemented, the structural schematic diagram of the first gas oxidizing fire device of use.
When Fig. 2 is that the present invention is implemented, the structural schematic diagram of second of gas oxidizing fire device of use.
Pipeline is reduced to lines expression in figure, while arrow indicates flow direction.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
Embodiment, one kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering, including relies on gas oxygen Change the step of burner carries out oxidizing fire to gas, it is improved in that the air inlet in gas oxidizing fire device is logical Moisture adsorbent filler and/or sulphur content adsorbent filler are set in road and outlet passageway, and cut according to Fixed Time Interval circulation Change inlet channel and outlet passageway into outgassing direction so that being inhaled in inlet channel by moisture adsorbent filler and/or sulphur content Attached dose of filler realizes the adsorption treatment to moisture in air inlet and/or sulphur content, while making the waste heat that outlet is relied in outlet passageway Temperature realization adsorption moisture and/or sulphur in upper circulation time section to moisture adsorbent filler and/or sulphur content adsorbent filler The desorption processing divided.
In this way, the moisture being mingled in gas, sulphur content can be fallen by adsorption desorption packing layer adsorption treatment, moisture is avoided to cause Burn Inner Wall of Combustion Chamber etching problem caused by insufficient and sulphur content, improves efficiency of combustion and extends combustion chamber use Service life improves safety.Moreover, so circulation, no replacement is required material, have just reached the permanent processing to air inlet impurity and have imitated Fruit is handled very convenient reliable and efficient.
Specifically, method of the invention can be implemented using the gas oxidizing fire device of two kinds of different structures. Wherein combuster 2 ', combustion chamber 2 ' is arranged referring to Fig. 1, including shell 1 ', enclosure interior in the first gas oxidizing fire device Inside be provided with auxiliary burner 3 ', 2 ' lower section of combustion chamber be additionally provided with communicate and for pass in and out gas into air outlet structure, also set up Heat utilization system is taken, taking heat utilization system includes the High Temperature Gas air hatch 4 ' being arranged in above combustion chamber, and and High Temperature Gas Air hatch connected heat exchange and heat energy utilization equipment 5 ';Described into air outlet structure includes that connection is set to four of combustion chamber lower end The disengaging gas chamber 6 ' of horizontal alignment is provided in each disengaging gas chamber and stores heat release packing layer 7 ' and adsorption desorption packing layer 8 ', adsorption desorption packing layer 8 ' is interior to be provided with moisture adsorbent filler and/or sulphur content adsorbent filler;Each disengaging gas chamber lower end It is respectively mounted and is connected with air inlet branch road pipeline and outlet bypass line, air inlet switching valve is provided on air inlet branch road pipeline and is connected to Air inlet main road pipeline, air inlet main road pipeline are arranged air inlet main air blower 9 ', are provided with outlet switching valve and company in outlet bypass line It is connected to outlet main road pipeline, outlet main road pipeline is connected to 10 ' outlet of chimney.
The gas oxidizing fire apparatus structure is simple, easy to implement, and can be realized the present processes to water in air inlet Divide and/or the desorption of sulphur content is handled.
Referring to fig. 2, including shell 1, shell 1 are internally provided with combustion chamber 2, Yi Jihe to second of gas oxidizing fire device Combustion chamber 2 communicate and for pass in and out gas into air outlet structure, be additionally provided with and take heat utilization system, wherein take heat utilization system packet The fused salt heat exchanging device 3 of setting inside housings is included, there is fused salt cavity in fused salt heat exchanging device 3 and is filled with fused salt, fused salt cavity It is connected respectively with fused salt flow ipe 4 and fused salt outflow pipeline 5, fused salt flow ipe 4 is connected with fused salt outflow 5 outer end of pipeline Out shell 1 and be connected to heating heat exchange component 6, the fused salt flow ipe or fused salt outflow pipeline on is provided with fused salt circulation Pump 7 makes it constitute fused salt circulation canal, and the heating heat exchange component 6 is used to form user side heating, heat utilization system is taken also to wrap The fused salt storage tank 8 that the heat exchange component that includes and heat is arranged in parallel.
In this way, taking heat utilization system using what fused salt obtained, fused salt feature with large heat capacity is utilized, by the molten of setting Extra heat can be stored in fused salt storage tank by salt storage tank when user side heats underload, then big in heating demands When again by fused salt storage tank heat derives carry out heat supply.Therefore the function and effect of " peak load shifting " are realized, it can Load variations situation is better adapted to, to the heat utilization rate of the gas of ventilation air gas and low concentration when improving underload.
Wherein, it is separated by inside the fused salt storage tank 8 and is formed with a high temperature chamber 9 and cryogenic chamber 10, outside high temperature chamber 9 Wall is provided with the storage tank fused salt flow ipe 11 for being communicated to fused salt outflow pipeline 5, is arranged in series on storage tank fused salt flow ipe 11 There are storage tank fused salt inlet valve 12 and storage tank pump for liquid salts 13, is additionally provided with the storage tank for being communicated to fused salt effuser 5 outside high temperature chamber 9 Fused salt flows out pipeline 14, and storage tank fused salt outflow pipeline 14 is connected to 11 front of storage tank fused salt flow ipe, and (orientation is described with pipeline Before middle fused salt flowing forward direction is, opposite direction be rear) and fused salt between flow out be additionally provided on pipeline it is molten Salt is to heat user regulating valve 15;The connection of cryogenic chamber 10 of the fused salt storage tank 8 is set in fused salt flow ipe 4, the height Connection is arranged and is provided with high temperature to low-temperature molten salt regulating valve 16 in communicating position between warm chamber 9 and cryogenic chamber 10.
In this way, when user side load is smaller, it, can be molten by adjusting when combustion chamber heat output valve is greater than user side load Salt to heat user regulating valve reduces flow, opens simultaneously storage tank fused salt inlet valve and storage tank pump for liquid salts and high temperature to low-temperature molten salt Regulating valve, so that extra part high-temperature molten salt is flowed into heat deposit in the high temperature chamber of fused salt storage tank.Work as user Side load is larger, and when combustion chamber heat output valve is less than user side load, adjustable fused salt to heat user regulating valve is all beaten Open, close storage tank fused salt inlet valve and storage tank pump for liquid salts, high temperature to low-temperature molten salt regulating valve stay open it is unimpeded so that combustion chamber High-temperature molten salt is inputted for user side jointly with fused salt storage tank, and heat is provided.When combustion chamber heat output and the user side equilibrium of supply and demand or Person's fused salt storage tank fills with high-temperature molten salt without when carrying out high-temperature molten salt supplement, fully opening fused salt to heat user regulating valve, Storage tank fused salt inlet valve and storage tank pump for liquid salts and high temperature are simultaneously closed off to low-temperature molten salt regulating valve.Therefore in this way, use will Fused salt storage tank is divided into high temperature low temperature two chambers, and two chambers are by regulating valve connection control and cryogenic chamber is communicates directly to In the circuit of fused salt flow ipe, so that structure is very simple and can reliablely and stablely realize above-mentioned various working control process To adapt to load variations situation, the function and effect of " peak load shifting " are realized, while the structure can also avoid user's side reflux straight It connects and is flowed into high temperature chamber, be more favorable for the heat inside high temperature chamber and keep, reduce energy loss, improve heat utilization effect Rate.
Wherein, the combustion chamber 2 is located at 1 top of shell, is located at below shell into air outlet structure.More meet hot-air in this way Flowing law is conducive to air burning.
Wherein, booster burners 17 are additionally provided at the top of combustion chamber 2.The firing up when device begins to use convenient in this way Preheating guarantees that device smoothly starts.
Wherein, the shell 1 is the steel sheel for being provided with refractory liner.Heat insulation effect can be improved in this way.
Wherein, it is described into air outlet structure include connection be set to combustion chamber lower end four horizontal alignments disengaging gas chamber 18, it is provided in each disengaging gas chamber 18 and stores heat release packing layer 19 and the fused salt heat exchanging device 3, the fused salt flow ipe 4 and fused salt outflow pipeline 5 respectively include be connected to user side main road pipeline and be connected respectively to four fused salt heat exchanging devices Bypass line, be provided with bypass line regulating valve 20 in bypass line;Each 18 lower end of disengaging gas chamber, which is respectively mounted, to be connected with Air inlet branch road pipeline 21 and outlet bypass line 22 are provided with air inlet switching valve on air inlet branch road pipeline 21 and are connected to air inlet master Road pipeline, air inlet main road pipeline are arranged air inlet main air blower 23, are provided with outlet switching valve in outlet bypass line 22 and are connected to Outlet main road pipeline, outlet main road pipeline are connected to 24 outlet of chimney.
In this way, disengaging gas chamber can switch air inlet and outgassing direction, make in its operational process, at interval of going out for a period of time Airintake direction is switched to after gas, so that the raised storage heat release filler of temperature is caused to be that air inlet carries out in advance during outlet of upper stage Heat, and on last stage since the storage heat release filler that waste heat air inlet causes temperature to gradually decrease can be again by outlet in intake process Heating, circuits sequentially, and ensure that the pre-heat effect to air inlet, and then the combustion chambers burn guaranteed is abundant and reliable, greatly Improve efficiency of combustion.
And importantly, it is capable of forming the chamber of two air inlets in this way using four disengaging gas chamber in this programme The chamber of room and two outlets, and so that can control single when disengaging autogenous cutting changes and only switch one group of disengaging gas chamber Into outgassing direction, it is constant to retain another group of disengaging gas chamber direction.The structure of compared to two in this way disengaging gas chamber, is not only only capable of Enough so that single regenerative chamber cross-sectional area halves when handling same traffic, is conducive to air-flow and is uniformly distributed, avoid accumulation of heat body heat content Local cluster, safety in operation is more excellent, change-over valve diameter reduction, is conducive to processing;And importantly, four cell-types compare two Cell-type structure, single process switch the flow direction of a regenerative chamber, and (instantaneous flow 0) is to front end when avoiding while switching Conveying fan causes the influence to build the pressure, improves the fan operation service life, has ensured safety in operation.In addition, four cell-type structure phases Than two cell structures, due to not having to the safety issue for excessively worrying that switching frequently results in, therefore can also exist in single inlet plenum It is switched to out gaseity when higher temperature, it is completely unburned can thus to greatly reduce air inlet side cavity in commutation process Gas there is a situation where escaping, improve the level of resources utilization.Meanwhile when four cell-type structure switchings, burning Indoor Air is improved The single situation in body flow direction avoids combustion chamber and dead angle position occurs so that burning indoor gas mobility status is more complicated Insufficient situation that causes to burn is set, combustion efficiency of combustion chamber is greatly improved.
Wherein, in each disengaging gas chamber 18, it is additionally provided with adsorption desorption packing layer 25, is provided in adsorption desorption packing layer 25 Moisture adsorbent filler and/or sulphur content adsorbent filler.
In this way, the moisture being mingled in gas, sulphur content can be fallen by adsorption desorption packing layer adsorption treatment, moisture is avoided to cause Burn Inner Wall of Combustion Chamber etching problem caused by insufficient and sulphur content, improves efficiency of combustion and extends combustion chamber use Service life.Moreover, the unique location that the adsorption desorption packing layer of the setting is arranged, the disengaging for being able to carry out switching in conjunction with the present apparatus are depressed Structure, so that being adsorbed onto the moisture of adsorption desorption packing layer in intake process, sulphur content can be desorbed with outlet again after disengaging autogenous cutting changes It takes away, so recycles.Therefore an adsorption desorption packing layer is simply relied on, no replacement is required material has just reached to air inlet impurity Permanent treatment effect is handled very convenient reliable and efficient.
Wherein, adsorption desorption packing layer 24 is horizontally placed on disengaging gas chamber lower end close to entry position, adsorption desorption packing layer Upper horizontal is arranged first layer and stores heat release packing layer, and first layer, which stores, is arranged fused salt heat exchanging device, fused salt heat exchanging above heat release packing layer Close to combustion chamber position, the setting second layer stores heat release packing layer above device.
In this way, first passing through adsorption desorption packing layer when air inlet carries out the influence that absorption avoids impurity to subsequent processing, when outlet It can finally realize and be desorbed in favor of tail gas residual temperature by adsorption desorption packing layer, improve tail gas residual temperature utilization efficiency;The warp of air inlet simultaneously It crosses after adsorption desorption packing layer respectively by entering back into after two layers of storage heat release packing layer preheating to combustion chamber, improves charge heating effect Fruit and make air inlet distribution it is more uniform, be conducive to improve subsequent combustion efficiency.In addition, fused salt heat exchanging device setting is stored at two layers Between heat release packing layer, it is conducive to control temperature gradient variation, avoids it during air inlet and outlet, temperature change is too fast and draws Play security risk.When it is implemented, position can be passed through according to actual motion between fused salt heat exchanging device and two layers of storage heat release packing layer Adjustment is tested, arrangement principle is control air-flow by the way that methane oxidation does not occur when storage heat release packing layer, and fused salt heat exchanging device can rise Heat release packing layer is stored to control, the effect of homogeneous oxidation reaction does not occur, and store heat release packing layer and function only as storing exothermic work With.
In addition, inner cavity of the adsorption desorption packing layer 24 between disengaging air cavity chamber inlet forms funnel-shaped structure when implementing Air flow method room, air inlet can be made more uniformly distributed when entering adsorption desorption packing layer, air-flow is avoided to enter comparatively large cross-sectional area Packing layer when air flow method unevenness store heat release packing layer hot-spot generation cause security risk.Air flow method is provided in room Supporting network screen work can play the role of support top adsorption desorption packing layer, also can distribute air inlet more uniform.
Wherein, fused salt heat exchanging device 3 is tubular structure, is bolted and sealing element is fixed on disengaging air cavity chamber interior walls On.It is more conducive to fused salt heat exchanging device in this way to be heated in outlet, and is conducive to improve the effect that is evenly distributed of air inlet.
Wherein, by-pass line 26 is additionally provided on air inlet main road pipeline to be connected on outlet main road pipeline, by-pass line 26 On bypass line manual switch valve and by-pass line pneumatic on-off valve are installed.
In this way, work normally when, by-pass line close, and when occur gas density transfinite or storage/exothermic layer temperature substantially When security risk occurs in wave propagation system operation, i.e., openable bypass line directly bypasses gas source to chimney, to avoid device fortune There is safety accident in row.Dual fail-safe may be implemented in two switch valves, improves safety.
Wherein, fused salt heat exchanging device is tubular heat exchanger, and material is corrosion-resisting steel, is arranged in the indoor accumulation of heat packing layer of accumulation of heat Between.Shell is heat-insulation and heat-preservation shell, is made of heat-insulation and heat-preservation liner with steel structure casing, silicic acid can be selected in heat-insulation and heat-preservation liner The materials such as aluminium ceramic fiber blanket, heat preservation rock.Absorption/desorption layer is sorbent material, determines absorption/desorption according to gas source condition Layer function then selects the commercial sorbents for having strong adsorption selectivity to moisture, such as gas source sulphur content if gas source moisture content is big Sulfur-bearing is high, then selects the commercial sorbents for having strong adsorption selectivity to sulphur content, as gas source simultaneously sulfur-bearing and moisture sulfur-bearing compared with Height, then need setting double suction it is attached/desorption layer.
When above-mentioned apparatus works, when system is in stable operation stage, the uniformly mixed super low concentration of main air blower conveying Gas gas source through commutate valve group inflow device, sequentially enter disengaging gas chamber, (gas source contains moisture/sulphur content to adsorption desorption packing layer Be adsorbed on the layer), store heat release packing layer, and exchange heat with fused salt heat exchanging device, after flowing through fused salt heat exchanging device, by the storage on top The heat of heat release packing layer release is further heated to oxidation reaction initial temperature (firing temperature) or more, and oxygen occurs in combustion chamber Change reaction release heat, and storage heat release packing layer (release heat is in the layer), fused salt heat exchanging device, adsorption desorption through outlet side are filled out (moisture/sulphur content adsorbed in a upper opposite course is desorbed by the exhaust of higher temperature the bed of material at this time, and carries out this by exhaust Layer) and gas chamber, bleeder are passed in and out, the valve group that commutated drains into chimney.In this course, remain more outside system autothermal equilibrium Remaining heat is taken away by the fused-salt medium in fused salt heat exchanging device, and generates the heating agents such as steam through the user sides heat exchanger such as boiler and carry out Heat energy utilization, such as heat supply, heating or gas-to electricity.
Fused salt heat exchanging device, which is arranged in, to be stored between heat release packing layer, is taken away heat storage heat by the way that fused salt is thermally conductive, is controlled accumulation of heat Intracorporal temperature gradient avoids heat storage heating is too fast from causing security risk.When implementation, fused salt heat exchanging device is tubular structure, It is bolted and sealing element is fixed on steel construction shell.Hot-air (flue gas) directly washes away the progress of fused salt pipeline when work Wall-type heat exchange.
In the present apparatus, adsorption desorption packing layer is arranged on the steel frame construction of disengaging gas chamber, above and below adsorption desorption packing layer Surface is fixed using stainless steel metal silk screen.
The structure type of device in the present embodiment be four cell structure types (" room " refer to for accumulation of heat/exothermic into Outlet chamber is subsequently used for the disengaging gas chamber abbreviation regenerative chamber of outlet and accumulation of heat, is used for air inlet and exothermic disengaging gas chamber Abbreviation heat release room).Single regenerative chamber need to undergo absorption, a heat release, fused salt heat exchanging, secondary heat release Four processes, single heat release Room need to undergo the Four processes such as primary heat absorption, fused salt heat exchanging, secondary heat absorption and desorption.
In addition, when implementing, it can also be in settable multiple (the 2 or more) taking ports of top of combustion chamber, and by taking heat Each taking port of placed in series exports extra high-temperature flue gas, to reduce taking port position to the shadow of combustion chamber air-flow and Temperature Distribution It rings.
When implementation, adsorption desorption packing layer wire feeding is determined according to gas source component situation, as gas source moisture is higher, it is determined that Wire feeding is the strong filler of water absorption, such as aluminium oxide;As gas source sulphur content sulfur-bearing is higher, it is determined that wire feeding is sulphur content The filler of strong adsorption, such as 5A molecular sieve;If the moisture sulfur-bearing and sulphur content of gas source be can not ignore, it need to be handled, then be filled out Moisture suction/desorption layer and sulphur content suction/desorption layer is respectively set in the bed of material on demand.
The course of work of above-mentioned apparatus are as follows:
A --- starting warm-up phase
1. use booster burners, spray into flame in device combustion chamber and store heat release packing layer preheat, when store heat release Each layer temperature of packing layer reaches set temperature target value, and when can realize pre-heat effect to air inlet, preheating is completed, and closes combustion-supporting combustion Burner.
2. starting the electric heating system built in fused salt storage tank, fused salt is heated, after reaching setting heating temperature, is closed Electric heater unit is closed, salt melting system is started.
B --- it tends towards stability after preheating the stage
After the completion of preheating, the correspondence intake and exhaust valve group from air inlet main air blower to each disengaging gas chamber is successively opened, wind is gradually increased Amount and gas density, the state until system tends towards stability --- regenerative chamber and heat release room temperature distribution gradient rule are consistent simultaneously And stablize.
In this process, by adjusting flow rate of molten salt, so that the temperature dimension for the storage heat release packing layer that fused salt heat exchanging device separates It holds at 600 DEG C hereinafter, and gas is made to reach oxidizing reaction temperature, generation oxidation reaction when flowing through storage heat release packing layer.
C --- stable operation stage
After system carries out stable operation stage, ultralow concentration gas gas source (concentration can be down to about 1% or so) is passed through through the main wind of air inlet Machine, the main road pipeline of air inlet and bypass line simultaneously enter two heat release rooms through air inlet switching valve, subsequently into adsorption desorption filler Layer, moisture/sulphur content is adsorbed on the layer in gas gas source, and then gas, which flows through, stores heat release packing layer and be preheated to certain temperature, It generally 400-600 DEG C, then exchanges heat in fused salt heat exchanging device position, heats fused salt, and in upper one layer of storage heat release packing layer part Continue to absorb heat, after reaching oxidation reaction condition, flows to combustion chamber and oxidation reaction occurs, discharge heat, become at higher temperature The flue gas of degree, passes through two regenerative chambers, the storage heat release packing layer in regenerative chamber by heat section store in the layer, and with it is corresponding Fused salt heat exchanging device exchange heat, when outlet passes through the adsorption desorption packing layer in regenerative chamber again, utilize the high temperature (about 100 of exhaust DEG C) be desorbed out by moisture/sulphur content of a circulation absorption on the adsorption desorption packing layer, with exhaust through outlet bypass line and outlet Main road pipeline drains into chimney.
It is every after a time interval in stable operation stage, switch the disengaging gas of one group of regenerative chamber and heat release room A switch operating circulation is completed in this way, switching back into original disengaging gaseity after four time intervals in direction.
D --- unexpected operating condition, abnormal running situation
When occurring, gas density transfinites or storage/exothermic layer temperature fluctuation system is run when there is security risk, opening bypass Pipe is directly bypassed to upper switch valve, by gas source to chimney, safety accident occurs to avoid oxidation unit operation.
When implementation, to handle mixed gas flow 60000Nm3For/h, volume percent methane takes 1.2%, sulphur in gas source component It is divided into H2S, H2The content of S is 100-600ppm.Accumulation of heat/heat release room heat-storing material is preferably cordierite, and accumulation of heat duct is positive four sides Shape, structured packing, cordierite monolith filler size are 0.2m × 0.2m × 0.3m, and accumulation porosity is 68%.Fused salt heat exchanging device is Internal coil-tube type heat exchanger, fused-salt medium are fused salt composition, preferably comprise the LiNO of 16wt%3, 15wt% NaNO3、41wt% KNO3With the Ba (NO of 28wt%3)2, fused salt storage tank can be included electric heating function and electric heating robot control system(RCS), storage tank thermal insulation It is functional.Adsorption desorption packing layer major function is absorption sulphur content (H2S), adsorbent chooses 5A molecular sieve (0.8K2O: 0.2Na2O:1Al2O3: 2.0SiO2:xH2O), column, diameter 0.0033m are highly 0.007m, density of material 1100kg/ m3, specific surface area 500m2/ g, pore volume 0.22cm3/g.The porosity of adsorption desorption packing layer is 45%.Adsorption desorption packing layer It is fixed by wire mesh on top.Commutating period is set as 90-150s, (considers to inhale according to actual operational effect It is attached to penetrate) it is adjusted optimization.
Above-mentioned apparatus compares prior art, has the advantage that
1 in structure type, and the present apparatus is conducive to control and stores heat release by arranging fused salt heat exchanging device between storage heat release packing layer The temperature rise of packing layer is conducive to the steady of gas regenerative oxidation device so that each room storage heat release packing layer temperature gradient is more stable Fixed operation, and by the control of temperature, more conducively reduce the generation and discharge (such as nitrogen oxidation of excessive temperature burning pollutant gas Object etc.).
2 on utilization efficiency of heat energy, and the present apparatus is lost in addition to the fused salt heat exchanging of discharge loss and thermal energy user side, compared to biography The gas regenerative oxidation device of system reduces the discharge loss that discharge high-temperature flue gas generates, thus utilization efficiency of heat energy is higher.
3 on adapting to load-bearing capacity, solves gas regenerative oxidation device gas regenerative oxidation in underload and utilizes system The low problem of utilization rate, by oxidation unit quantity of heat given up when storage underload, and heat is discharged in high load capacity, to realize " peak load shifting " of load is remarkably improved the scale utilization efficiency of gas regenerative oxidation device, adapts to spirit when load variations Activity is more excellent.
4 processing and manufacturing cost on, can by gas regenerative oxidation device underload period waste heat by fused salt tank into Row storage, meets the workload demand of high load capacity period, increases the maximum heat capacity of gas regenerative oxidation device, meeting phase Under the premise of with Design cooling load, be conducive to the processing and manufacturing cost and operating cost of saving gas regenerative oxidation device.

Claims (10)

1. one kind utilizes method based on the pretreated gas oxidizing fire of desulfurization dewatering, including relies on gas oxidizing fire device pair Gas carries out the step of oxidizing fire, which is characterized in that sets in the inlet channel and outlet passageway of gas oxidizing fire device Moisture adsorbent filler and/or sulphur content adsorbent filler are set, and according to Fixed Time Interval cyclic switching inlet channel and outlet Channel into outgassing direction so that in inlet channel by moisture adsorbent filler and/or sulphur content adsorbent filler realize into The adsorption treatment of moisture and/or sulphur content in gas, while to realize in outlet passageway by the waste heat supply temperature of outlet and moisture is inhaled The desorption of the adsorption moisture and/or sulphur content processing in upper circulation time section of attached dose of filler and/or sulphur content adsorbent filler.
2. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as described in claim 1 utilizes method, feature exists In using gas oxidizing fire device below realization, which includes shell, and enclosure interior is provided with combustion Burn room, auxiliary burner be provided in combustion chamber, be additionally provided with below combustion chamber communicate and for pass in and out gas into air outlet structure, It is additionally provided with and takes heat utilization system, taking heat utilization system includes the High Temperature Gas air hatch being arranged in above combustion chamber, and and high Wet air hatch connected heat exchange and heat energy utilization equipment;It is described into air outlet structure include connection be set to the four of combustion chamber lower end The disengaging gas chamber of a horizontal alignment is provided in each disengaging gas chamber and stores heat release packing layer and adsorption desorption packing layer, inhales Moisture adsorbent filler and/or sulphur content adsorbent filler are provided in desorption packing layer;Each disengaging gas chamber lower end is respectively mounted It is connected with air inlet branch road pipeline and outlet bypass line, air inlet switching valve is provided on air inlet branch road pipeline and is connected to air inlet master Road pipeline, air inlet main road pipeline are arranged air inlet main air blower, are provided with outlet switching valve in outlet bypass line and are connected to outlet Main road pipeline, outlet main road pipeline are connected to chimney outlet.
3. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as described in claim 1 utilizes method, feature exists In using gas oxidizing fire device below realization, which includes shell, and enclosure interior is provided with combustion Burn room, and communicated with combustion chamber and be used to pass in and out gas into air outlet structure, be additionally provided with and take heat utilization system, wherein take heat Include the fused salt heat exchanging device of setting inside housings using system, there is fused salt cavity in fused salt heat exchanging device and be filled with fused salt, Fused salt cavity is connected with fused salt flow ipe and fused salt outflow pipeline respectively, and fused salt flow ipe and fused salt flow out pipeline outer end It connects out shell and is connected to heating heat exchange component, be provided with fused salt on the fused salt flow ipe or fused salt outflow pipeline and follow Ring pump makes it constitute fused salt circulation canal, and the heating heat exchange component is used to form user side heating, heat utilization system is taken also to wrap The fused salt storage tank that the heat exchange component that includes and heat is arranged in parallel;
It is described into air outlet structure include connection be set to combustion chamber lower end four horizontal alignments disengaging gas chamber, each disengaging It is provided in gas chamber and stores heat release packing layer and the fused salt heat exchanging device, the fused salt flow ipe and fused salt flow out pipeline It respectively include being connected to the main road pipeline of user side and being connected respectively to the bypass line of four fused salt heat exchanging devices, bypass line On be provided with bypass line regulating valve;Each disengaging gas chamber lower end, which is respectively mounted, is connected with air inlet branch road pipeline and outlet bypass duct Road is provided with air inlet switching valve on air inlet branch road pipeline and is connected to air inlet main road pipeline, and air inlet master is arranged in air inlet main road pipeline Blower is provided with outlet switching valve in outlet bypass line and is connected to outlet main road pipeline, and outlet main road pipeline is connected to cigarette Chimney outlet;
In each disengaging gas chamber, it is additionally provided with adsorption desorption packing layer, moisture adsorbent filler is provided in adsorption desorption packing layer And/or sulphur content adsorbent filler
The combustion chamber is located at case top, is located at below shell into air outlet structure.
4. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 3 utilizes method, feature exists In being separated by inside the fused salt storage tank and be formed with a high temperature chamber and cryogenic chamber, high temperature chamber outer wall, which is provided with, to be communicated to Fused salt flows out the storage tank fused salt flow ipe of pipeline, has been arranged in series storage tank fused salt inlet valve and storage on storage tank fused salt flow ipe Tank pump for liquid salts is additionally provided with the storage tank fused salt outflow pipeline for being communicated to fused salt effuser, the outflow of storage tank fused salt outside high temperature chamber Pipeline is connected on fused salt outflow pipeline in front of storage tank fused salt flow ipe and between and is additionally provided with fused salt to heat use Family regulating valve;The cryogenic chamber connection of the fused salt storage tank is set in fused salt flow ipe, the high temperature chamber and low temperature cavity Connection is arranged and is provided with high temperature to low-temperature molten salt regulating valve in communicating position between room.
5. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 3 utilizes method, feature exists In the combustion chamber is located at case top, is located at below shell into air outlet structure.
6. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 3 utilizes method, feature exists In top of combustion chamber is additionally provided with booster burners.
7. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 3 utilizes method, feature exists In the shell is the steel sheel for being provided with refractory liner.
8. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 7 utilizes method, feature exists In adsorption desorption packing layer is horizontally placed on disengaging gas chamber lower end close to entry position, the setting of adsorption desorption packing layer upper horizontal First layer stores heat release packing layer, and first layer, which stores, is arranged fused salt heat exchanging device above heat release packing layer, close to combustion above fused salt heat exchanging device It burns the room position setting second layer and stores heat release packing layer.
9. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 8 utilizes method, feature exists In fused salt heat exchanging device is tubular structure, is bolted and sealing element is fixed in disengaging air cavity chamber interior walls.
10. a kind of pretreated gas oxidizing fire of desulfurization dewatering that is based on as claimed in claim 3 utilizes method, feature exists In being additionally provided with by-pass line on air inlet main road pipeline and be connected on outlet main road pipeline, bypass pipe is equipped on by-pass line Road manual switch valve and by-pass line pneumatic on-off valve.
CN201810608850.8A 2018-06-13 2018-06-13 One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering Active CN108980863B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810608850.8A CN108980863B (en) 2018-06-13 2018-06-13 One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810608850.8A CN108980863B (en) 2018-06-13 2018-06-13 One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering

Publications (2)

Publication Number Publication Date
CN108980863A true CN108980863A (en) 2018-12-11
CN108980863B CN108980863B (en) 2019-11-15

Family

ID=64540321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810608850.8A Active CN108980863B (en) 2018-06-13 2018-06-13 One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering

Country Status (1)

Country Link
CN (1) CN108980863B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169535A (en) * 2020-09-30 2021-01-05 广州骁庆科技有限公司 Extraction device and extraction method for coal mine ventilation air methane

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003080029A (en) * 2001-09-14 2003-03-18 Babcock Hitachi Kk Exhaust gas cleaning system and method for cleaning exhaust gas
CN101206027A (en) * 2006-12-21 2008-06-25 中国科学院工程热物理研究所 Method for steady operation of low concentration firedamp gas switching catalytic reaction
CN102049189A (en) * 2009-10-27 2011-05-11 中国石油化工股份有限公司 Method for purifying organic waste gas
JP5973249B2 (en) * 2012-06-19 2016-08-23 東洋紡株式会社 Organic solvent-containing gas treatment system
CN207262452U (en) * 2017-08-16 2018-04-20 邓金华 A kind of organic exhaust gas zeolite runner thickening-purification technology and heat storage burner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003080029A (en) * 2001-09-14 2003-03-18 Babcock Hitachi Kk Exhaust gas cleaning system and method for cleaning exhaust gas
CN101206027A (en) * 2006-12-21 2008-06-25 中国科学院工程热物理研究所 Method for steady operation of low concentration firedamp gas switching catalytic reaction
CN102049189A (en) * 2009-10-27 2011-05-11 中国石油化工股份有限公司 Method for purifying organic waste gas
JP5973249B2 (en) * 2012-06-19 2016-08-23 東洋紡株式会社 Organic solvent-containing gas treatment system
CN207262452U (en) * 2017-08-16 2018-04-20 邓金华 A kind of organic exhaust gas zeolite runner thickening-purification technology and heat storage burner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112169535A (en) * 2020-09-30 2021-01-05 广州骁庆科技有限公司 Extraction device and extraction method for coal mine ventilation air methane

Also Published As

Publication number Publication date
CN108980863B (en) 2019-11-15

Similar Documents

Publication Publication Date Title
CN102631131A (en) Efficient energy-saving steam cabinet
CN105841358A (en) Evaporative cooling air-conditioning system usable in summer and winter in combination with roof surface water storage
CN109372601A (en) A kind of Distributed Integration energy supplying system recycling ventilating gas
CN108980863B (en) One kind utilizing method based on the pretreated gas oxidizing fire of desulfurization dewatering
CN106705077B (en) Burned waste gas device
CN107191946A (en) A kind of five cell structure methane oxidized apparatus and its operation method
CN206330316U (en) Residual heat type smoke multistage utilizes robot control system(RCS)
CN202525917U (en) High-efficiency energy-saving steamer
CN202203970U (en) Secondary energy saving and utilizing device for furnace exhaust gas waste heat
CN209083351U (en) A kind of Distributed Integration energy supplying system recycling ventilating gas
CN103638784A (en) Externally heating type wet flue gas dehumidifying method and system
CN109059010A (en) A kind of low concentration gas oxidation heat utilization device
CN206176410U (en) Alcohol takes off water vapor heating system
CN209229755U (en) A kind of coal mine gas one-way flow concentration self-adapting oxidation unit
CN1686010A (en) Fast energy saving environmental protection densed tobacco flue-cured chamber and its baking technology
CN204554892U (en) Saving furnace is seized by force
CN203620486U (en) External heating type wet flue gas dehumidification system
CN203687651U (en) Heating furnace waste heat recovery device
CN106439860B (en) A kind of dehydration of alcohol steam-heating system
CN207280224U (en) A kind of full hot wind furnace temperature automatic control regenerative combustion system
CN206478619U (en) A kind of regenerative combustion type gas heating pipe steam generator
CN209759486U (en) Self-heating and dehumidifying blast furnace blower unit
CN2190766Y (en) Normal pressure hot water hot wind boiler
CN114791748B (en) Temperature control system of boiler
CN216244319U (en) High-efficient preheating device of RTO waste gas

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant