CN207922269U - Boiler smoke vapour energy-saving low-carbon subtracts haze system - Google Patents

Boiler smoke vapour energy-saving low-carbon subtracts haze system Download PDF

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Publication number
CN207922269U
CN207922269U CN201721817560.1U CN201721817560U CN207922269U CN 207922269 U CN207922269 U CN 207922269U CN 201721817560 U CN201721817560 U CN 201721817560U CN 207922269 U CN207922269 U CN 207922269U
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heat exchange
water
exchange unit
heat
shell
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李树生
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Shandong Tianjing Environmental Protection Technology Co Ltd
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Shandong Tianjing Environmental Protection Technology Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

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Abstract

The utility model is related to a kind of boiler smoke vapour energy-saving low-carbons to subtract haze system, including：Deduster, is used for flue gas ash removal, and exiting flue gas accesses the subsequent energy saving micro- arranging device of boiler smoke vapour；The energy saving micro- arranging device of boiler smoke vapour, the flue gas for handling boiler emission with heat exchange method reduce the water content in flue gas, and condensed water is sent into condensate water recovery device by condensed water elimination pipeline；Condensate water recovery device, the condensed water drawn for collecting the energy saving micro- arranging device of the boiler smoke vapour, and condensed water is sent into the condensate water processing system；Condensate water processing system reaches discharge or reuse standard for the acid condensate water of dust-laden to be further processed.Steam in flue gas effectively can be condensed discharge by the utility model, and utilize the gasification latent heat of steam, control or or reduce acid gas in flue gas ingredient and directly or indirectly generate salt with alkali substance reaction in the presence of water, and then control or reduce and polluted with the relevant air haze of flue gas.

Description

Boiler smoke vapour energy-saving low-carbon subtracts haze system
Technical field
The utility model is related to a kind of boiler smoke vapour energy-saving low-carbons to subtract haze system, be mainly used for the big cooling of boiler smoke vapour and generate Liquid-gas phase transition recycles thermal energy, and solves the problems, such as acid aqueous corrosion flue simultaneously and block flue, it is ensured that cigarette vapour residual heat recovery and de- The steady weighing apparatus operation control of specific heat needed for sulphur.
Background technology
The energy-saving equipment and system of existing boiler flue gas cool-down are exchanged heat by being spaced heat exchange method, recovered flue gas In thermal energy, the heat exchanging piece in heat transmission equipment is usually tubulation or coil pipe, is limited in boiler flue as defined in design specification not Corrosion of the acid water that cigarette vapour is condensed out to pipeline etc. must be condensed and prevent, existing energy-saving equipment is through that can utilize in flue gas Sensible heat contains a large amount of latent heats of vaporization in water vapour and does not release but, forms energy waste and environmental pollution.
And on the other hand, not only temperature is high for this flue gas, but also water capacity is big, is the sour gas such as sulfur dioxide and water knot Conjunction, which forms acidic materials and then reacts forming salt with the alkaline components in flue gas, provides required moisture, studies have shown that this Salt is an important sources and inducement for the pollution of air haze, particularly severe haze, only by control flue-gas temperature not less than dew Point, although avoiding acid condensate water to corrosive pipeline etc. with apparent effect, there is only the wastes of above-mentioned thermal energy The problem of, haze pollutes caused by being less useful for control flue gas.
Utility model content
To overcome the drawbacks described above of the prior art, the utility model provides a kind of boiler smoke vapour energy-saving low-carbon and subtracts haze system System, which can not only effectively utilize the latent heat of vaporization of steam in flue gas, but also can preferably reduce acid condensation Corrosion of the water to flue, can be effectively reduced in flue gas be especially wet desulfurization flue gas in water capacity, and then control or or It reduces acid gas in flue gas ingredient and directly or indirectly generates salt with alkali substance reaction in the presence of water, and then reduce and be derived from The Atmospheric particulates and/or non-particulate atmosphere pollution of salt, control or reduction are polluted with the relevant air haze of flue gas.
Technical solution used by the utility model is：A kind of boiler smoke vapour energy-saving low-carbon subtracts haze system comprising：
Deduster is used for flue gas ash removal, is equipped with gas inlet and exhanst gas outlet；
The energy saving micro- arranging device of boiler smoke vapour is converted to cold for being condensed to the steam in flue gas with heat exchange method Condensate simultaneously draws condensed water, to reduce the water content in flue gas, realizes the micro- row of cigarette vapour, the energy saving micro- arranging device of boiler smoke vapour Shell in be distributed with multiple spaced heat exchange units in an axial direction, between the adjacent heat exchange unit of any two Condensed water elimination pipeline for drawing condensed water is set, wherein may include being carried out to the steam in flue gas with heat exchange method Condensation, is converted to condensed water and draws condensed water, to reduce the water content in flue gas, realizes the micro- row of cigarette vapour, the boiler smoke The energy saving micro- arranging device of vapour is exchanged heat using multistage, and multistage changes thermogenetic condensed water segmentation and draws, during carrying out heat exchange Realization includes water vapour condensation, dust settling, condensed water is drawn and four mutually shuntings of flue gas emission, containing in air inlet side flue The flue gas of steam and dust enters the energy saving micro- arranging device of boiler smoke vapour from the shell side medium entrance of the energy saving micro- arranging device of boiler smoke vapour, By, with the heat-absorbing medium indirect heat exchange in heat exchanging piece, being formed in housing cavity by heat exchange unit when heat exchange unit Blocking and area change form inertial separation and Gravity Separation effect during flow of flue gas, outstanding including flue dust Floating particles object is detached and is settled with flue gas, and the steam in flue gas is converted to condensed water because of heat release and condenses upon and/or flow through suspension The deposition region of particulate matter, dust is mixed into condensed water and is discharged together from the condensation-water drain of the energy saving micro- arranging device of boiler smoke vapour, cold Flue gas after solidifying and separation is discharged from the shell side media outlet of the energy saving micro- arranging device of boiler smoke vapour；
Condensate water recovery device, the condensed water drawn for collecting the energy saving micro- arranging device of the boiler smoke vapour, and will condensation Water is sent into the condensate water processing system；
Condensate water processing system is handled for the acid condensate water to dust-laden, reaches discharge and/or reuse standard,
The air inlet side ports of the shell of the energy saving micro- arranging device of boiler smoke vapour connect the cigarette of the deduster by flue Gas exports, and condensed water elimination pipeline accesses the condensation water inlet of the condensate water recovery device, the condensate water recovery device Outlet conduit accesses the condensation water inlet of the condensate water processing system.
Preferably, the energy saving micro- arranging device of the boiler smoke vapour includes the shell for being suitable for accessing flue, the air inlet of the shell Side ports are shell side medium entrance, and for connecting air inlet side flue, outlet side ports are shell side media outlet, for connecting outlet Multiple spaced heat exchange units are distributed in the shell in side flue in an axial direction, and the heat exchange unit changes Closed tube side medium channel is equipped in warmware, the housing hollow of the heat exchange unit front and rear sides passes through the heat exchange list The shell side medium channel connection of member.
By subsection setup heat exchange unit, the heat exchanging pieces such as hollow orifice plate or heat exchanger tube in heat exchange unit can be in shell Certain blocking is formed to flue gas stream in journey, so that flue gas stream is changed direction and flow velocity, is not only acted as condensation, but also to cigarette Dust in gas plays inertial separation with the tiny drops of water condensed out（It centrifuges）Effect, while must can make in flue gas Dust, aerosol and tiny drops of water etc. mutually collide, and aggregation is in larger particle, in favor of being detached from flue gas, subsection setup Heat exchange unit also high degree the medium channel area for changing housing cavity, due to heat exchanging piece in heat exchange unit Certain cross-sectional area is occupied, for example, can take up the 50%-70% of cross-sectional area in shell, is set from there through suitable Speed when meter makes flue gas be flowed between adjacent heat exchange unit obviously drops to the degree for being enough to be formed effective gravitational settling, And flue gas flow rate is significantly alterred with what is flowed to during passing in and out heat exchange unit, can also form more apparent inertia point From.
Preferably, the heat exchanging piece quantity of the heat exchange unit is one or more, and the shell side of the heat exchange unit is situated between Matter channel include it is following any one or more：
1) gap between heat exchanging piece and inner walls, including variously-shaped heat exchanging piece emargintion；
2) axially extending bore being arranged in heat exchanging piece, before and after including the connection heat exchange unit formed by heat exchanging piece this body contour The variously-shaped space of both sides housing hollow；
3) gap between heat exchanging piece each section；
4) when the quantity of heat exchanging piece is multiple, the gap between each heat exchanging piece,
Preferably, the arbitrary combination of any one or more following form may be used in the heat exchanging piece of the heat exchange unit：
1) laterally（Vertical or angle is more than 45 ° of direction with the axis of shell）The hollow orifice plate being arranged, same heat exchange Hollow orifice plate quantity in unit typically one, the hollow orifice plate are equipped with side panel and leeward side panel windward, institute The outer surface for stating side panel windward and leeward side panel respectively constitutes side end face windward and the leeward side of this heat exchange unit End face, the side panel windward and leeward side panel are equipped with mutual corresponding and by the sealed connection of corresponding plate hole connecting tube Through-hole, the plate hole connecting tube are axial（Direction that is parallel with the axis of shell or being not more than 45 ° with angle）Straight tube passes through two Space between the panel, the pore of the plate hole connecting tube constitutes the shell side medium channel of the hollow orifice plate, in described The inner cavity of emptying aperture plate is used to form its tube side medium channel, and the space between the side panel windward and leeward side panel constitutes institute The cavity of hollow orifice plate is stated, partition board can be set in the cavity and/deflector forms required medium flow channels, make medium flow field Each section through cavity avoids dead angle and short circuit, flow velocity everywhere being made to meet the requirements as possible as possible, specific separation or diversion mode Can according to the prior art, plate hole connecting tube both ends respectively with respective through hole on the side panel windward and leeward side panel Edge seal connection, the periphery of the hollow orifice plate preferably connects with the inner wall sealing of the shell of the energy saving micro- arranging device of the cigarette vapour It connects, its inner cavity of setting connection is used to access and be discharged the heat-absorbing medium interface of heat-absorbing medium on the hollow orifice plate（Including heat absorption Medium entrance and heat-absorbing medium outlet）；
2) pore of the annular heat exchange tube being laterally arranged, the annular heat exchange tube constitutes its tube side medium channel, same heat The quantity of annular heat exchange tube in crosspoint is one or more, when the annular heat exchange tube in same heat exchange unit When quantity is one, the side external surface windward and leeward side external surface of the annular heat exchange tube are in plane, are respectively constituted this The side end face windward and leeward side end face of heat exchange unit；When the quantity of the annular heat exchange tube in same heat exchange unit is When multiple, each annular heat exchange tube is concentric and differs in size, and internal and external partition is distributed successively, and each annular heat exchange tube is windward Side external surface is located in approximately the same plane, collectively forms the side end face windward of this heat exchange unit, each annular heat exchange tube Leeward side external surface be located in approximately the same plane, collectively form the leeward side end face of this heat exchange unit.For example, this heat Crosspoint can be connected two-by-two several adjacent annular heat exchanger tubes or it is connected mutually nested two-by-two but each other there are Away from several annular heat exchange tubes.For example, this heat exchange unit can be several adjacent annular heat exchanger tubes or two connected two-by-two Two be connected mutually nested but each other there are several annular heat exchange tubes of spacing, by interconnected multiple annular heat exchange tube groups At any independent tube side medium channel inlet and outlet for being equipped with heat-absorbing medium also may be used for accessing and drawing heat-absorbing medium To be that separate heat-absorbing medium inlet and outlet are respectively set in each annular heat exchange tube, it is directly accessed and draws heat-absorbing medium, mutually Between be not attached to；
3) spiral heat exchange tube being laterally arranged, the spiral heat exchange tube are that snail heat exchanger tube or facade spiral exchange heat Pipe, the snail heat exchanger tube refers to that the center line of its pore is located in a plane, and the facade spiral heat exchange tube refers to it The center line of pore is not located in a plane, and the pore of the spiral heat exchange tube constitutes its tube side medium channel, and same heat is handed over The spiral heat exchange tube quantity changed in unit is one or more, when using snail heat exchanger tube, when same heat exchange unit In the snail heat exchanger tube quantity be one when, the side external surface windward and leeward side of the snail heat exchanger tube Outer surface is in plane, respectively constitutes the side end face windward of this heat exchange unit and leeward side end face；When same heat exchange list When the quantity of the snail heat exchanger tube in member is multiple, at least partly stayed between the subregion of snail heat exchanger tube There are spacing, the side external surface windward of each snail heat exchanger tube to be located in approximately the same plane, collectively forms this heat exchange The leeward side external surface of the side end face windward of unit, each snail heat exchanger tube is located in approximately the same plane, collectively forms The leeward side end face of this heat exchange unit, when using facade spiral heat exchange tube, when described vertical in same heat exchange unit When the quantity of surface helix heat exchanger tube is one, the side external surface windward of the facade spiral heat exchange tube and leeward side external surface difference Constitute the side end face windward of this heat exchange unit and leeward side end face；When the facade spiral in same heat exchange unit is changed When the quantity of heat pipe is multiple, there are spacing, each facade spiral shells at least partly between the subregion of facade spiral heat exchange tube The side external surface windward of rotation heat exchanger tube collectively forms the side end face windward of this heat exchange unit, each facade spiral heat exchange tube Leeward side external surface collectively form the leeward side end face of this heat exchange unit.
The form of any suitable may be used in the combination of the spiral heat exchange tube and multiple spiral heat exchange tubes, for example, It is rotated to the spiral heat exchange tube of inner end by outer end；For another example, it is similar to the two-way single-screw heat exchanger tube of S-shaped, is rotated by outer end Near the heart, then transfer to rotate to another outer end by immediate vicinity；For another example, the identical spiral shell of two constructions being distributed front and back in an axial direction Coil, mutual axial spacing are zero or are close to zero（Include the feelings in the presence of the axial gap caused by processing or assembling etc. Shape）, such as closely or share the same side wall, preferably the inner end at nearly spiral center be interconnected, each spiral is changed The outer end of heat pipe is respectively set to the inlet and outlet of heat-absorbing medium, it is this be configured with the setting imported and exported conducive to heat-absorbing medium with And integral installation, maintenance and replacement, and thermal energy can be exchanged by mutually attached side wall or share common sidewalls between two heat exchanger tubes, Keep the heat transfer intensity of the heat exchange surface of the integral construction of two helically coileds everywhere essentially identical, to the endothermic effect base of flue gas everywhere This equilibrium, the temperature of flue gas is essentially identical everywhere on same section, is conducive to control heat of the flue gas in axial flow process and hand over Process is changed, Thermal Design is facilitated, helps to obtain better condensation effect, and will not be formed and be difficult to clearly between two heat exchanger tubes The dust deposit removed is identical as single heat exchanger tube to the collection of condensed water and dust, water conservancy diversion and discharge；For another example, front and back in an axial direction The opposite single-screw shape heat exchanger tube in two direction of rotation of distribution, axial spacing between the two are zero or are close to zero（Including depositing Situation in the gap caused by processing or assembling etc.）, the inner end at nearly spiral center is interconnected, and heat absorption is respectively set in outer end The inlet and outlet of medium, this construction equally enable to the heat transfer intensity basis equalization on same section everywhere, flue gas temperature It spends almost the same, is conducive to Thermal Design and heat exchange tissue, and increasingly complex obstacle can be formed in shell side, realize cigarette Gas more turns to and mutual impact, is conducive to the inertial separation of flue dust；For another example, mutually nested in the same plane and phase There are multiple helix tubes of spacing between mutually, one of preferred embodiment is the double spiral tube that inner end is interconnected, this shape The equilibrium of plane heat transfer intensity everywhere where formula is equally beneficial for.
The construction of tube side medium channel should ensure to be situated between as possible inside the connection of the heat exchanging pieces such as multiple heat exchanger tubes and heat exchanging piece Mass flow does not stay dead angle through whole tube side medium channels, and there is no short circuits, and ensures the basis equalization of flow velocity everywhere, when necessary may be used To be equipped with the partition board of closure in heat exchanger tube, end to end annular medium flow channels are become into the flow of media having a beginning and an end Road or cut-out, limitation short circuit paths are closed to avoid other targets that short circuit, the resistance in each path of control or realization thermal technology require Reason distribution and the flow velocity and flow for controlling each path.For the medium flow channels formed by plate internal cavity in hollow orifice plate, preferably answer Using identical setting or processing mode, it may be necessary to internal diversion plate and/or partition board be arranged.
For the heat exchanger time for ensureing certain, the hollow orifice plate and heat exchanger tube should all have enough on shell is axial Size can carry out relevant Thermal Design, the heat exchanger tube, including annular heat exchange according to the prior art according to heat transfer requirements Pipe and spiral heat exchange tube, may be used the rectangular tube of rectangular cross-section, and two sides of rectangular section are parallel with shell axis, this Sample is not only convenient for processing, and is conducive to heat exchange.
Preferably, the energy saving micro- arranging device of the cigarette vapour may be used vertical, can also use horizontal.
The shell of the vertical energy saving micro- arranging device of the cigarette vapour is vertically arranged, and the lower end port of shell is air inlet side ports, Upper end port is outlet side ports, and the opposing end surface of adjacent heat exchange unit is the clinoplain being mutually parallel, with the cigarette vapour The shell axis of energy saving micro- arranging device is preferably in 70-87 ° of angle in not being 90 ° of angle, be consequently formed heat exchange unit it Between inclined equal thick clearances, the extraction of inclined end face being provided with conducive to condensed water.
The shell of the horizontal energy saving micro- arranging device of the cigarette vapour is horizontally disposed, and the front-end port of shell is air inlet side ports, Back-end ports are outlet side ports, and the opposing end surface of adjacent heat exchange unit is the opposite clinoplain of inclined direction, and described The shell axis of the energy saving micro- arranging device of cigarette vapour is in the angle for not being 90 °, preferably in 75-87 ° of angle, and preferably both ends of the surface top Spacing between end is maximum, and the spacing between bottom end is minimum, and V-shaped gap wide at the top and narrow at the bottom between heat exchange unit, institute is consequently formed The bottom end width for stating V-shaped gap is preferably not zero, and so that the space between two heat exchange units is formed a funnel-form, with profit In the extraction of condensed water.
The heat-absorbing medium import of the energy saving micro- arranging device of cigarette vapour and heat-absorbing medium outlet are using any one following setting Mode：
1）Heat-absorbing medium import is arranged on the heat exchange unit of nearly shell outlet side ports, is handed over for realizing the heat The connection between unit tube side medium channel and heat-absorbing medium input channel is changed, heat-absorbing medium outlet is arranged in nearly shell air inlet side On the heat exchange unit of port, for realizing between the heat exchange unit tube side medium channel and heat-absorbing medium output channel Connection, different heat exchange units are sequentially communicated by its axial distribution sequence, when being equipped with multiple heat exchange in same heat exchange unit When part, the heat exchanging piece in same heat exchange unit is interconnected.The organizational form of this heat-absorbing medium stream closely to go out gas side Heat-absorbing medium is in minimum temperature, contributes to the temperature for reducing outlet air, reduces the water content in outlet air；
2）The quantity of the heat exchange unit is at least 3, and the quantity at least two of heat-absorbing medium import is respectively set On the heat exchange unit of nearly shell air inlet side ports and on the heat exchange unit of nearly shell outlet side ports, for realizing the heat Connection between crosspoint tube side medium channel and heat-absorbing medium input channel, heat-absorbing medium outlet are arranged in middle part On heat exchange unit, for realizing the connection between the heat exchange unit tube side medium channel and heat-absorbing medium output channel, no It is sequentially communicated by its axial distribution sequence with heat exchange unit, it is same when being equipped with multiple heat exchanging pieces in same heat exchange unit Heat exchanging piece in heat exchange unit is interconnected.The heat-absorbing medium outlet can be arranged in an intermediate heat exchange unit On, it can also be arranged on intermediate two adjacent heat exchange units, when the quantity of heat-absorbing medium outlet is two and is set respectively It sets in two adjacent heat exchange units of middle part, be interconnected between the two heat exchange units or be not interconnected.This The organizational form of kind of heat-absorbing medium stream the heat-absorbing medium of nearly air inlet side and closely goes out the heat-absorbing medium of gas side to be in lowest temperature Degree not only facilitates the temperature for reducing exiting flue gas, reduces the water content of exiting flue gas, but also can be to air inlet side humidity most Greatly, the highest flue gas fast cooling of temperature extends the condensation time of flue gas at a lower temperature, further increases condensation effect, According to the experiment of applicant, in other conditions（Equipment, input gas temperature, humidity, wind speed, air quantity, heat-absorbing medium import temperature Degree, flow etc.）The situation of all same, using this heat-absorbing medium both ends into it is intermediate go out by the way of, brought out into another with one end Mode（Either from which hold into）, exit gas temperature no significant difference, but water capacity has apparent reduction, a kind of preferred side The heat-absorbing medium inlet flow rate of formula nearly air inlet side in order to control is 1.8-2 times of the heat-absorbing medium inlet flow rate for closely going out gas side, this Mode is better.
Preferably, the side end face windward of the heat exchanging piece and the edge of leeward side end face are equipped with axially extending gear out Mill weir（For example, protrusion or water fender for water blocking）, axially open is thus formed on the corresponding end-faces of the heat exchanging piece Diversion trench, for condensed water catchment and water conservancy diversion, the overfall constitute the cell wall of corresponding diversion trench, this diversion trench can have The impact that removes smoke to sweating of effect ground avoids condensed water by flue gas entrainment of flowing away together.
Preferably, the lowest point of the diversion trench（Including any local lowest point, if any）It is connected with condensation The connecting portion of water branch drain, the diversion trench and the condensate water discharging branch pipe is preferably in funnel-form（This position can be claimed For water collecting funnel）, the outlet of the branch drain extends to outside the shell of the energy saving micro- arranging device of the cigarette vapour or access draining Pipe, the outlet of the drainpipe is outside the shell of the energy saving micro- arranging device of the cigarette vapour.By reasonably designing, one can be made Only there are one lowest points for diversion trench, to simplify drain structure as far as possible.
To promote the tiny drops of water agglomerated in flue gas to be separated from flue gas, the shell of the energy saving micro- arranging device of cigarette vapour It is inside also preferably equipped with gas and water separator, the construction that baffle plate etc. is effective and resistance is small may be used in the gas and water separator, The gas and water separator is located at behind the last one heat exchange unit.The setting of gas and water separator, for Jie that will absorb heat Matter import（At least one of import）The situation being arranged in the heat exchange unit of nearly shell outlet side ports is especially important, due to flowing through Flue-gas temperature through going out the heat exchange unit of gas side has relatively large decline, in addition to part steam is directly condensate in hollow orifice plate Or it is outer on the surface of heat exchanger tube, also part steam is condensed into tiny drops of water with the dust etc. in flue gas for core, continues with flue gas Flowing, due to its rear no longer be equipped with heat exchange unit, these tiny drops of water not because inertial separation and gravitational settling it is equivalent The chance that should be fallen, therefore, under such a configuration, increasing gas and water separator will contribute substantially to reduce containing for exiting flue gas Moisture.According to actual conditions and requirement, gas and water separator can not also be set in the energy saving micro- arranging device of cigarette vapour.
Preferably, the energy saving micro- arranging device of the cigarette vapour is also provided with rinse-system, and the rinse-system includes water distributor The connecting pipe of road and the nozzle on the water distribution pipe, the water distribution pipe passes through the shell, for example, being equipped with The connection nozzle being exposed at outside shell, connection are located at the feed pipe outside shell, and the nozzle is located in shell, for stationary nozzle or Rotary nozzle, the quantity of the nozzle is multiple, between at least adjacent heat exchange unit and outermost（Including windward side The outermost of outermost and leeward side）The outside of heat exchange unit is equipped with the nozzle, is set to any outermost heat exchange The nozzle quantity in the outside of unit is at least one, the end face outside for being sprayed the heat exchange unit, when described When nozzle uses stationary nozzle, the nozzle quantity at least two being set between arbitrary neighborhood heat exchange unit, respectively Opposing end surface for being sprayed two heat exchange units is set to adjacent heat exchange when the nozzle uses rotary nozzle The nozzle quantity being arranged between unit is at least one, for changing spray direction by rotating, is sprayed two respectively The opposing end surface of heat exchange unit.
Preferably, the exhanst gas outlet of the energy saving micro- arranging device of the boiler smoke vapour accesses desulfurizing tower by flue.
Preferably, the condensate water recovery device includes multi-stage multi-pipe jet pump and condensing hot air furnace tank, and the multistage is more The condensation water inlet for being sucked medium entrance and constituting the condensate water processing system of pipe jet pump, it is energy saving micro- to connect the cigarette vapour The condensed water of the condensed water elimination pipeline of arranging device, the outlet connection condensing hot air furnace tank of the multi-stage multi-pipe jet pump is defeated Entrance, the jet-loop water out of the condensing hot air furnace tank by high-pressure pump connect the jet stream of the multi-stage multi-pipe jet pump into Mouthful, the water outlet of the condensing hot air furnace tank constitutes the water outlet of the condensate water recovery device.
Preferably, the condensate water processing system include the regulating box that catchments being sequentially connected in series, neutralize case, biochemical reaction case, Flocculation reaction case, settling tank and water outlet regulating box, the water inlet line of the regulating box that catchments connect the condensate water recovery device Water outlet, be equipped with water rate control door, the neutralizations case is equipped with milk of lime and launches pipeline, and the flocculation reaction case is equipped with flocculant Launch pipeline, the preferred organic flocculant PAM of flocculant（Polyacrylamide）And/or inorganic flocculating agent PAC（Polyaluminium Aluminium）, the water outlet regulating box connects outlet conduit, equipped with for on-line checking to be arranged between the settling tank and water outlet regulating box The water outlet detection zone of instrument and/or water sampling, the water outlet detection zone can be arranged in the outlet area of the settling tank, Either it is arranged in the inlet area of the water outlet regulating box or the connection being arranged between the settling tank and water outlet regulating box On pipeline or the water outlet detection zone is the water quality monitoring box being arranged between the settling tank and water outlet regulating box, institute The water inlet for stating the regulating box that catchments constitutes the condensation water inlet of the condensate water processing system, and the condensed water is connected by pipeline The water outlet of recycling can.
Preferably, the energy saving micro- arranging device of the boiler smoke vapour is additionally provided with automatic control system, and the boiler smoke vapour is energy saving micro- It is equipped with control valve on the heat-absorbing medium inlet pipeline and heat-absorbing medium outlet conduit of arranging device, for going out according to flue gas emission Mouthful set temperature carry out the open degree of control valve, it is ensured that flue gas into desulfurizing tower specific temperature and heat, and for adjusting heat The temperature or pressure of water or steam needed for user can be led to meet the needs of production heating system according to the prior art The control valve on heat-absorbing medium inlet pipeline and heat-absorbing medium outlet conduit is overregulated, the medium flow field between control valve is changed Resistance and pressure medium are poor, and then change the flow and flow rate of heat-absorbing medium, change the absolute pressure in pipeline.
The rinse-system of the energy saving micro- arranging device of boiler smoke vapour is according to the dust accumulation on the dust accumulation test point of its enclosure interior Thickness is rinsed, and the dust accumulation thickness on the dust accumulation test point can be the dust accumulation thickness observed by the detection hole on shell Degree situation or dust accumulation Thickness sensitivity data for online dust accumulation Thickness sensitivity instrument, the rinse-system be equipped with it is artificial and/or Automatic control device carries out manual or automatic flushing control, when carrying out artificial flushing control, passes through pot by operating personnel's foundation The dust accumulation situation or carried out according to the defined time artificial that peep hole on the shell of the energy saving micro- arranging device of stove cigarette vapour is observed Operation, when carrying out auto-flushing control, the energy saving micro- arranging device of boiler smoke vapour is equipped with for monitoring on dust accumulation test point The online dust accumulation Thickness sensitivity instrument of dust accumulation thickness is not provided with online dust accumulation Thickness sensitivity instrument, the automatic control device Rinse-system progress is automatically controlled according to the detection data of online dust accumulation Thickness sensitivity instrument or according to the preset time It rinses, is flushed to certain clean level or after the washing time of setting or flushing flow rate, automatic or manual stopping is rinsed. In flushing process, to avoid interference of the flushing water to flue gas, can by stop flue gas heat-exchange apparatus work, by bypass or its His mode carries out necessary flue gas conveying, automatic or manual after flushing to switch back into former working condition, can also be in permission In the case of keep heat-exchange apparatus normal work,.
The beneficial effects of the utility model：The utility model researches and develops successfully " shunting of four phases " utility theory using inventor Guidance, realizes liquid-gas phase transition segmented diverter, effectively to condense and be discharged water contained in flue gas（Steam）, reduce flue gas Water vapour discharges, to reach energy saving user, city low-carbon, region subtract the multinomial income of enterprise of haze and for the purpose of social synthesis is benefited Technical solution, specifically include：
The energy saving micro- arranging device of boiler smoke vapour of use is a kind of cooling of cigarette vapour segmented, segmented condensate drain and heat stepwise system System, and the automatic control system for detecting and adjusting can be equipped with；Acid condensate water is inhaled from device by being segmented under negative pressure Go out and concentrate pressurized delivered；Water treatment cycle utilization system of the acid-base neutralization at salt is carried out with sulfur method；Boiler smoke vapour is energy saving The Self-cleaning system of dust haze inside micro- arranging device.
" boiler smoke vapour energy-saving low-carbon subtracts haze system " for taking segmented diverter measure, can not only be greatly reduced high temperature cigarette The heat-energy losses of vapour, are greatly lowered flue-gas temperature, and exit gas temperature is made to be down to 100 DEG C hereinafter, it is preferred that 55-85 DEG C or so, For example, 55,65,75 or 85 DEG C, so that the water vapour in cigarette vapour is released, the latent heat of vaporization is energy saving, especially reduces the evaporation of desulfurization water Amount, can also reduce the rate of water make-up of follow-up desulfurizing tower, due to reducing desulphurization circulating water, decline formation to reduce desulfurization water spray Huge flue gas resistance brings the environmentally friendly operating cost for reducing air-introduced machine and circulating pump power consumption, especially avoids or significantly It reduces because of the increased flue gas water content of wet type desulfurizing；The technology application brings notable energy-saving benefit, does not need in most cases Customer investment takes contract energy management mode that can realize that the energy saving micro- row's effect of boiler smoke vapour, enterprise's application belong to energy saving, Due to meeting " meet people everyday increase reduce the low-carbon concept of carbon emission amount under conditions of culture life and production requirement ", institute It is applied with urban area and just belongs to low carbon city；Since water vapour discharge capacity and humidity of flue gas is greatly reduced, to reduce The CO being bonded together in chimney2、SO2Deng and H2O forms H2CO3、H2SO4Deng the combination reaction amount of complicated sour gas, prolong Stretch reduce these sour gas again with desulfurization alkaline matter occur acid-base neutralization combination reaction and displacement react formed acidity Salt particle object reduces chimney acid particles object discharge capacity, plays the role of subtracting haze.
Due to by the way of multi-stage multi-pipe jet pump, to heat by way of high-pressure jet and the suction of inside and outside cross-mixing The segmentation condensed water formed is exchanged to be extracted out, the inside and outside contact area staged for being sucked the condensed water of medium increases, this Kind COMPLEX MIXED formula jet stream significantly improves the pressure of ejector outlet medium.Simultaneously as jet stream pipe outlet add intersect it is oblique Dentalation has expanded jet media and the contact area for being sucked medium, improves jet pump working efficiency；Due to being sucked pipe Road outlet, which is added, intersects oblique dentalation, increases the contact area for being sucked medium and jet media, improves jet stream effect again Rate；It adds dentalation with suction channel outlet because of the oblique dentalation of intersection that jet stream pipe outlet is added again to match, wave The circular order of unrestrained formula makes jet media obtain biting connecions increase with the bent contact area for being sucked medium, further increases Jet stream efficiency reduces jet stream energy consumption.Step-type multi-step multitube jet stream, makes up to be sucked medium or be sucked medium and jet stream and is situated between The flow velocity loss of matter being blended in pipeline or the pump housing, the interior oblique mixing jet of external chiasma increase substantially the suction energy of jet pump Power and the soakage for being sucked medium, the medium conveying for meeting higher efficiency requires, and the utility model can be formed enough High output pressure, especially when it is steam exhaust to suck medium, due to being converted to liquid, volume after the mixing pressurization of same jet media It significantly reduces, thereby reduces the volume and flow velocity of blending agent, by the way of the application multi-stage multi-pipe high-efficiency jet, constantly Ground fills into jet media, advantageously reduces the become smaller flow velocity that brings of volume after being condensed because of steam exhaust and declines, while step-type multi-step is handed over Pitching the oblique jet stream that fills into more makes the medium momentum in jet pump increase step by step, is conducive to improve the media flow shape in jet pump State improves the utilizing status of power, thus not only increases suction capactity, and also assure output pressure.In addition staged Intersect oblique mixing jet and will be inhaled into and the multistage of inter_curve area is layered and increased inside and outside medium fills into jet stream further and make The medium momentum obtained in jet pump increases, and is conducive to improve the media flow state in jet pump again, then improve the profit of power With effect, thus not only the oblique mixing jet of staged intersection improves suction capactity, but also ensures and increase output pressure. The experiment repeatedly of applicant, using the Multistage multi of the utility model, in the parameters such as output pressure and aspiration It is required that in the case of identical, the pressure head of jet pump can be greatly lowered, reduce power consumption about 50% or more, multi-stage multi-pipe is high Effect jet pump staged intersect oblique mixing jet, be sucked medium inside and outside level come into full contact with and nozzle dentalation expand The forced area of big contact Friction thrust, makes full use of the pressure and flow velocity of jet media, advantageously reduces mixing turbulent flow and light Sliding power, improves suction force and suction effect, industrial waste steam waste heat discharge, which is greatly reduced, to environmental protection requirement large area has Abatement energy waste and environmental pollution kill two birds with one stone effect.
Description of the drawings
Fig. 1 is the system organigram of the utility model；
Fig. 2 be the utility model is related to the energy saving micro- arranging device schematic diagram of horizontal boiler cigarette vapour；
Fig. 3 be the utility model is related to the energy saving micro- arranging device schematic diagram of vertical boiler cigarette vapour；
Fig. 4 is the multi-stage multi-pipe jet pump schematic diagram of the utility model.
Specific implementation mode
Referring to Fig. 1-Fig. 3, the utility model provides a kind of boiler smoke vapour energy-saving low-carbon and subtracts haze system comprising：
Deduster is used for flue gas ash removal, is equipped with gas inlet and exhanst gas outlet, and exiting flue gas is connect by corresponding flue Enter the energy saving micro- arranging device of subsequent boiler smoke vapour；
The deduster may be used the prior art of any suitable, for example, electrostatic precipitator or cyclone dust collectors with The combination of electrostatic precipitator or bag filter；
The energy saving micro- arranging device of boiler smoke vapour, the flue gas for handling boiler emission, complete water vapour condensation, flue gas emission, Condensed water is drawn and four phase shunting function of dust deposit, and the condensed water of extraction is sent into condensed water by condensed water elimination pipeline Retracting device, the water vapour condensation refers to when carrying out heat exchange, and the water vapour contained in flue gas condenses to the cold, from cigarette It is detached in gas；The flue gas emission refers to that the flue gas after detaching water vapour is discharged from smoke outlet；The condensed water is drawn Refer to forming diversion trench by the way that overfall is arranged in the end face of each heat exchange tube side, and catchment in the setting of the outlet side of the diversion trench Funnel draws condensed water, avoids etching apparatus or causes to stop up；The dust deposit refers to the shell side between each heat exchange tube side Locate sectional area to increase, flue gas flow rate slows down, and the dust in flue gas is deposited in the end face of the tube side, the air inlet side ports of shell Its gas inlet is constituted, the outlet air side ports of shell constitute its exhanst gas outlet；
Condensate water recovery device, the condensed water drawn for collecting the energy saving micro- arranging device of the boiler smoke vapour, and will condensation Water is sent into the condensate water processing system；
Condensate water processing system is handled for the acid condensate water to dust-laden, reaches discharge and/or reuse standard.
Referring to Fig. 2 and Fig. 3, the energy saving micro- arranging device of boiler smoke vapour includes shell 1, and shell is equipped with 10 He of air inlet side ports Outlet side ports 2, the air inlet side ports 10 of the shell are for connecting air inlet side flue, and outlet side ports 2 are for connecting outlet Side flue sets in the shell there are one whole or several arranged side by side or independent heat exchange tube side is connected as, can be changed adjacent Between heat pipe journey by connecting pipe be interconnected form a complete heat-absorbing medium circulation road, can also be respectively independence or Partially communicating several tube sides, subsection setup several groups heat exchange unit 4 in shell, not by hollow orifice plate or heat exchanger tube in shell 4 the space occupied（Including in heat exchanging piece or between heat exchanging piece gap and through-hole etc.）The shell side medium channel 3 of heat exchanger is constituted, The pore of medium channel or heat exchanger tube in hollow orifice plate constitutes heat-absorbing medium channel 5, heat-absorbing medium（It is under normal circumstances Water）Input channel 6 and heat-absorbing medium output channel 9 are separately connected the heat-absorbing medium import of heat exchange unit 4 and heat-absorbing medium goes out Mouthful, the bottom of shell is provided with acid condensate water discharge tube 7, and water collecting funnel 8 is arranged in the entrance of condensed water elimination pipeline, The water collecting funnel can be drip pipe road entrance be in funnelform construction, lay for heat exchanger internal washing/ Periodic cleaning rotation control valve 14 and rotary nozzle 12 is arranged in the water distribution pipe 15 of flushing on water distribution pipe 15, adjacent Spacing 16 between the heat exchange unit 4 is in oblique shape or " V " shape, constitutes flushing and space for maintenance（It is vertical using uniform thickness Oblique spacing, it is horizontal to use " V " shape spacing）.
After heat exchange unit is arranged in the cavity of shell, can catchment effect according to resistance, heat-exchange capacity, condensed water Etc. the factor progress various sizes or dimension scale design for needing emphasis to consider, for example, when needing between heat exchange unit When forming enough gravitational settlings in cavity, velocity of flue gas should be reduced to required degree, the shell side in heat exchange unit is situated between Mainly the heat exchanging piece contained in heat exchange unit will occupy ratio between matter aisle spare and housing cavity total cross-sectional area The ratio can be set as the optimum ranges such as 50-70% by the ratio-dependent of the cross-sectional area of housing hollow, for example, 50%, 60%, 70%, with overall balance equipment volume, resistance and gravitational settling effect etc..
The boiler high temperature cigarette vapour（Gas）By air inlet side ports 10, it is dispersed into two sections or several sections of exhaust gases passes 3, phase The adjacent section exhaust gases passes 3 are to just arranging or being staggeredly arranged, the flue gas after heat release（Vapour）Collect and be discharged by outlet side ports 2, It is designed according to system, into desulphurization plant, flue gas heat-exchange unit（GGH）Or chimney etc..
It is energy saving using vertical boiler cigarette vapour when the energy saving micro- arranging device of boiler smoke vapour is mounted on vertical heating flue referring to Fig. 3 Micro- arranging device, since segmentation exchanges heat, also ensure that into cold water will not directly fall to bottom because proportion is heavier, segmented is passed through The sequentially progressive cold and hot correspondence of completion exchanges rather than the heat transfer process of single hybrid switching, the lower part of the vertical shell are equipped with Water-accepting board 11, the water-accepting board 11 are equipped with the through-hole 18 for being used to form exhaust gases passes and the water-accepting board overfall for water receiving, The water outlet side of the water-accepting board overfall is equipped with water collecting funnel, and the water-accepting board 11 is for dropping place under the condensed water of top heat exchanger tube It is fixed to install, and through-hole therein is preferably staggered with the shell side channel reserved in heat exchange unit up and down as possible, thus not only increases cigarette Baffling of gas commutates, and is especially also prevented under acid water and falls on 10 the inside of flue.
Referring to Fig. 2, when the energy saving micro- arranging device of boiler smoke vapour is mounted on horizontal flue, using horizontal boiler cigarette vapour section Energy micro- arranging device forms the connecting pipe between heat exchange tube side described in two adjacent groups between the hollow orifice plate of two adjacent groups or heat exchanger tube It is equipped with including upper connecting pipe 13 and lower communicating tube road 17, i.e., between adjacent heat exchange unit and is located above heat exchange unit and connects Upper connecting pipe 13 at the top of logical two heat exchange units with below heat exchange unit and be connected to the two heat exchange lists The lower communicating tube road 17 of first bottom, the upper connecting pipe 13 cannot be only used for the liquid phase flowing of heat-absorbing medium, it is often more important that Vapour（Gas）It mutually flows, to eliminate vapour locking, the lower communicating tube road 17 can be used for the liquid phase flowing of heat-absorbing medium, and this segmented adds Hot mode is conducive to eliminate the vapour locking water resistance phenomenon in heat exchange.
The boiler smoke vapour waste heat is in exothermic process, the water vapour contained in flue gas, by each heat exchange unit The heat exchange tube side multistage of composition exchanges heat, and liquid water can be cooled into, to prevent the acid water slug, the corrosion failure cigarette that are mixed with flue dust Road or chimney need that the acid water in flue or chimney is discharged to outside device as early as possible, since boiler flue or chimney are by air-introduced machine Suction and the ascending air gravitation of chimney stack influence, for realizing in the energy saving micro- arranging device of boiler smoke vapour of heat exchange and cigarette Negative pressure is generally in road, chimney, subatmospheric power, acid condensate water depends merely on gravity and often can't get out in flue or chimney , therefore the front end face and/or rear end face of each hollow orifice plate or heat exchanger tube 4 are obliquely installed and equipped with the overfall for being higher by end face 19, the overfall 19 is arranged around the exhaust gases passes 3, to collect and guide condensed water, avoids flue gas stream to cooling water Impact and rolling action enable diversion trench that condensed water surrounds along overfall under self gravitation effect to flowing down, pass through Corresponding water collecting funnel is collected and is drained by discharge tube, can be in condensed water elimination pipeline when negative pressure is larger in flue It is equipped with pump, to overcome the suction function in flue.
Each overfall 19 of same endface position can be interconnected or be separated from each other, according to specific heat-exchanging piece Construction, the overfall together with side wall and the end face of the hollow orifice plate or heat exchanger tube 4 as forming diversion trench, the water conservancy diversion The lowest point of slot is water outlet side and is equipped with water collecting funnel 8, and each water collecting funnel 8 is connected to condensate water discharging branch pipe, each described cold Condensate branch drain is connected to condensed water elimination pipeline 7, and acid condensate water is concentrated by the end face of the hollow orifice plate or heat exchanger tube 4 Water collecting funnel 8 is flowed to by condensed water elimination pipeline 7, by the timely discharger of acid water and carries out necessary acid water process, Realize that vapor condensation and condensed water are drawn.
In practice, the heat-absorbing medium of the energy saving micro- arranging device of boiler smoke vapour is if it is water, when cigarette vapour is higher than 150 DEG C or more When, the heat exchange of high temperature section can not only transfer out high-temperature water, can also transfer out the steam of certain pressure temperature, to energy saving, low Carbon, the system energy for controlling haze provide more alternative conditions, are conducive to expansion heat rating, can pass through the relevant technologies Using further expansion can form the range of indirect steam.
The oblique or " V " shape structural region of the energy saving micro- arranging device segmented of boiler smoke vapour（Adjacent heat exchange unit it Between inclination uniform thickness spacing or V-arrangement spacing）In 16, cigarette vapour flows slowly caused by area of passage expands, and unhurried current region inner product deposits flue gas Dust haze particulate matter, dust haze formation fouling, reduces heat exchange efficiency, in oblique or " V " shape space for a long time under water vapor acting Opposite high point add rotating sprinkler, periodically to the dust haze fouling in " V " shape space carry out rotation auto-flushing, realize cigarette vapour in Dust deposit and discharge, due to present apparatus acid-resisting corrode, also periodically each hollow orifice plate and every can be changed as needed Heat pipe carries out unified Fouling Cleaning with specific dilution heat of sulfuric acid, it is ensured that equipment safety reliability service.
The condensate water recovery device includes multi-stage multi-pipe jet pump 35 and condensing hot air furnace tank 36, with condensing hot air furnace tank Recirculated water as power jet, motor-driven water pump is set on recirculated water jet stream pipeline 37（It should generally be high-pressure pump） 38, the acid condensate water of the energy saving micro- arranging device of boiler smoke vapour is sucked out simultaneously under the action of multi-stage multi-pipe jet pump 35 Enter the condensing hot air furnace tank 36 with jet stream, water pump 38 can be arranged to the outlet pipe in condensing hot air furnace tank, water pump 38 Outlet conduit is divided into two-way, enters in the multi-stage multi-pipe jet pump 35 through recirculated water jet stream pipeline 37 be situated between as jet stream all the way Acid condensate water in the energy saving micro- arranging device of boiler smoke vapour is sucked out matter under negative pressure, and another way is as condensing hot air furnace tank Drainpipe.
Referring to Fig. 4, the multi-stage multi-pipe jet pump may include the first Taper Pipe section 358, second that front end is equipped with nozzle Taper Pipe section 359 and third Taper Pipe section 355, the axis of the first Taper Pipe section, the second Taper Pipe section and third Taper Pipe section is positioned at same On straight line, and it is that backward, the first Taper Pipe section is located at behind the second Taper Pipe section for larger one end forward for smaller one end, Its front end extends in the second Taper Pipe section and there are annular gap, the second Taper Pipe sections between the second Taper Pipe section Behind the third Taper Pipe section, front end extends in the third Taper Pipe section and is stayed between the third Taper Pipe section There are annular gap, the endoporus of the first Taper Pipe section to constitute level-one jet media channel, the second Taper Pipe section and the first Taper Pipe Annular gap between section, which is constituted, is sucked medium channel, the annular gap structure between the third Taper Pipe section and the second Taper Pipe section At secondary jets medium channel, the front end of the third Taper Pipe section is connected with flaring pipeline section 356, the front port of the flaring pipeline section The outlet of jet pump is constituted, corresponding connecting flange is equipped with, the rear portion of the pump housing is equipped with jet stream import pipeline section 351, the side of the pump housing Equipped with suction inlet pipeline section 353, the inlet side of level-one jet media channel and secondary jets medium channel is all connected with described Jet stream import pipeline section, the rear port of the jet stream import pipeline section constitute the jet stream import of jet pump, which is both level-one The import in jet media channel and the import of secondary jets medium channel, are equipped with corresponding connecting flange, and described be sucked connects The inlet side of medium channel connects the suction inlet pipeline section, and the external port composition of the suction inlet pipeline section, which is sucked, connects medium Import is equipped with corresponding connecting flange.
The rear end of the first Taper Pipe section can be connected with level-one jet media conveying pipeline section 352, with the level-one jet stream Medium delivery pipe section road is connected, and the jet stream inlet tube section is located at behind level-one jet media conveying pipeline section, with institute It states level-one jet stream input pipeline section to be linked together, is achieved in the inlet side in level-one jet media channel and the jet stream import The connection of pipeline section.
The rear end of the second Taper Pipe section, which can be connected with, is sucked medium delivery pipe section 354, and medium is sucked with described Conveying pipeline section is connected, the outside for being sucked medium delivery pipe section and being sleeved on the level-one jet media conveying pipeline section, with There are annular gap between the level-one jet media conveying pipeline section, its rear end is equipped with for being conveyed with the level-one jet media The sealed connection end plate of segment seal, the inner end of the suction inlet pipeline section be connected to it is described be sucked in medium delivery pipe section, It is achieved in the connection for being sucked the inlet side and the suction inlet pipeline section that connect medium channel.
Jet stream connecting tube 7, the third Taper Pipe can be equipped between the third Taper Pipe section and the jet stream import pipeline section The rear end of section be equipped with for the second Taper Pipe section and described be sucked integral structure sealing that medium delivery pipe section is linked to be It is tightly connected pipeline section, the jet stream connecting tube is located at the outside for being sucked medium delivery pipe section, the jet stream connecting tube Outlet end is connected on the sealed connection pipeline section, is achieved in the inlet side of the secondary jets medium channel and the jet stream The jet media of import pipeline section is introduced secondary jets medium entrance, forms secondary jets by the connection of import pipeline section.
In general, the same jet apparatus is seen on the whole should not select a variety of pressure mediums, high-pressure medium selects a kind of pressure Power is easier, so a fluidic communication pipe is added between level-one jet body and secondary jets body, in assurance function premise Lower simplified overall structure can increase on the pipeline and shut down or control valve, for meet it is a variety of in the case of multi-stage multi-pipe A variety of demands of jet pump outlet ends pressure change.
The sealed connection pipeline section can be to be sucked the isometrical pipe of medium delivery pipe section with described, be sucked with described The pipe of medium delivery pipe linking into an integrated entity of section, as a result, the sealed joint pipe can also be considered as suction medium conveying Exceed the front extensions of the second Taper Pipe section on pipeline section.
Preferably, the nozzle of the second Taper Pipe section is located at behind the nozzle of the third Taper Pipe section, and diameter is preferably small Improve suction and mixed effect in the nozzle diameter of third Taper Pipe section preferably to organize each section medium flow field.
Preferably, the jet stream import pipeline section and level-one jet media conveying pipeline section are coaxial, have a diameter larger than described Level-one jet media conveys the diameter of pipeline section, and the input end of the jet stream connecting tube is connected to the side wall of the jet stream import pipeline section On, to optimize structure, reduce resistance.
The first Taper Pipe section, the second Taper Pipe section and third Taper Pipe section can be in the regular conical that front end is equipped with nozzle, The main part and the main part for being sucked medium delivery pipe section of the level-one jet stream conveying pipeline section are in tubular.
Preferably, dentalation may be used in the nozzle of the first Taper Pipe section and/or the nozzle of the second Taper Pipe section, such as Be preferably provided on the nozzle of the dentalation of slot dentation, zigzag etc., the first Taper Pipe section and/or the second Taper Pipe section part to The flare tooth that tilted introversion tooth and/or part are inclined outwardly, the introversion tooth preferably with other teeth（For example, flare tooth and/ Or not inside and outside inclined tooth）Distribute alternately, the flare tooth preferably with other teeth（For example, introversion tooth and/or not inside and outside inclined Tooth）It distributes alternately, the dentalation, which can also use, intersects oblique dentalation.
The intilted introversion in part can be equipped on the nozzle of the first Taper Pipe section and/or the nozzle of the second Taper Pipe section Tooth and/or the flare tooth that is inclined outwardly of part, the introversion tooth preferably with other teeth（For example, flare tooth and/or not interior outer incline Tooth）Distribute alternately, the flare tooth preferably with other teeth（For example, introversion tooth and/or not inside and outside inclined tooth）It distributes alternately.
Preferably, the dentalation, which can also use, intersects oblique dentalation.
By the design of above-mentioned nozzle tooth form, increases the inside and outside contact area of the jet stream cone of fluidic vectoring thrust and improve mixed Jet pump suction force and pumping efficiency can be improved for reducing the kinetic energy autophage amount of high-pressure jet by closing Friction thrust, be expanded Contact area between large stream medium and suction medium and Friction thrust.
The nozzle of the third Taper Pipe section can be equipped with water conservancy diversion Mixed Weir, and the water conservancy diversion Mixed Weir can be inward flange in convex The inside annular protrusion of recessed structure can inwardly protruded annular or edge with sawtooth or slot tooth be in radially wave The annular of shape or other scraggly constructions in similar edge, tooth on weir（Or the protrusion of other shapes）Quantity it is excellent Choosing is mutually filled a vacancy with position with the dentation on the second Taper Pipe section nozzle corresponding.
Due to the setting of water conservancy diversion Mixed Weir, the medium " provoking " is directly or indirectly mixed into and is sucked medium under effect of inertia In cone, the jet media of whole circumference body is mixed with medium " dog " is sucked, and cross-contact area and Friction thrust obtain To significantly being promoted, cross-mixing swabbing action is played to being sucked medium, keeps its suction force big, suction effect is good, preceding The intersection water conservancy diversion Mixed Weir of aligned orderly is set afterwards, is mutually cooperateed with the nozzle tooth form of the first, second Taper Pipe section, forms ladder again Formula pressure-raising effect can further meet the requirement of the medium conveying of higher efficiency.
Preferably, the water pump 38 of the condensing hot air furnace tank 36 is by condensed water pressurized delivered, condensing hot air furnace tank 36 from Control system keeps steady pressure and spy in condensing hot air furnace tank 36 according to the control valve 39 come on water automatic adjustment conveyance conduit Determining liquid level ensures that condensed water is sent into condensed water water treatment system by jet function, pressure fixation of pump.
The condensate water processing system includes catchment regulating box 40, milk of lime dispensing pipeline 45, neutralization case 41, biochemical reaction Case 42, flocculant addition pipe road 46, flocculation reaction case 43, settling tank 47, water quality monitoring box 48, water outlet regulating box 49, outlet pipe Road 44, the regulating box 40 that catchments are equipped with water rate control valve 51.
The water for the regulating box 40 that catchments described in entering is adjusted by the water rate control valve and enters the neutralization case 41, After milk of lime is squeezed into the neutralization progress acid-base neutralization processing of case 41 by milk of lime dispensing pipeline 45, it is sent into private environment detector Device BOD biochemical reactions case 42 selects organic flocculant PAM to remove in water suspended particulate substance and inorganic flocculating agent PAC by particulate matter Settlement is carried out, flocculant enters flocculant reaction chamber 43 through flocculant addition pipe road 46, and sequentially enters settling tank 47, water Quality detection region 48, water outlet regulating box 49, handle qualified water and are sent outside through outlet conduit 44 and recycle.
Preferably, the automatic control system includes multiple autocontrol valves and pipeline, includes at least well-balanced adjustment Valve 32, heat-absorbing medium outlet regulating valve 33, acid condensate water delivery control valve door 39, self-cleaning cycle control valve 50, Water process pipe control valve 14.
The control valve 32 of the heat-absorbing medium inlet pipeline 31 of the energy saving micro- arranging device of boiler smoke vapour, according to flue gas emission The set temperature of outlet 2 carrys out the open degree of control valve 32, it is ensured that specific temperature and heat of the flue gas into desulfurizing tower；Heat user institute The temperature or pressure of the water or steam that need are by adjusting the control valve 33 on heat-absorbing medium outlet conduit 34, to meet Produce the demand of heating system；The automatic cleaning function of dust haze fouling, is basis inside the energy saving micro- arranging device of boiler smoke vapour The clear instruction that detection hole on device observes or detection instrument sends out the detection data of dust haze, automatically opens circulating flushing The control valve 50 on pipeline and the water rate control valve 51 on automatic closing water processing pipeline are washed, after regular fixed time cleaning is clean Automatically switch back into original system.
The flue gas of the energy saving micro- arranging device of boiler smoke vapour（Vapour）Thermal energy is segmented the progressive releasing heat of formula sequence, cigarette vapour （Gas）It is originally used for the water vapour, air and dust of high temperature three-phase flow, cools by heat exchange and becomes water vapour, the sky of four phase streams Gas, dust, condensed water, wherein condensed water are segmented the energy saving micro- arranging device of separation panel smoke vapour, and the water of four phase streams in device steams Vapour, air, dust, condensed water become a small amount of water vapour, air and a small amount of dust of low temperature three-phase flow again in exit, because For water vapour a certain proportion of dust can be taken out of flue together in condensation, it is low under the action of air-introduced machine and chimney air-breathing Warm three-phase flow carries out desulfurization process by flue, into desulfurizing tower.
Most of water vapor in the cigarette vapour of the energy saving micro- arranging device of boiler smoke vapour is cooled into acid water along water conservancy diversion Slot, in the case where effect is penetrated in the suction of multi-stage multi-pipe jet pump 35, acid condensate water passes through condensed water elimination pipeline 7, and discharge cigarette vapour is energy saving Micro- arranging device.
Since boiler smoke vapour water quality after cooling belongs to acid, corrosivity is extremely strong, therefore all in the present invention and cigarette The facility structure of vapour and acid condensate water contact, it is preferred to use acid resistance corrosion material, high temperature section are mostly that titanium alloy, titanium is selected to close The anti-corrosion materials such as the stainless steels such as gold lining, 316 or 304,445J2 anti-corrosion stainless steels；Low-temperature zone includes 7 He of condensed water conveyance conduit Acid water treatment facilities etc. uses anticorrosive PTFE material；Multi-stage multi-pipe jet pump 35, condensing hot air furnace tank 36, cycle are penetrated Flow tube road 37, water pump 38, control valve 39 then select titanium alloy, titanium alloy lining, the stainless steels such as 316 or 304,445J2 anti-corrosions The acid-resistance corrosion material such as stainless steel.
The outlet of heat-exchange apparatus is carried out the gas inlet that subsequent desulphurization plant is accessed by its outlet air side flue The wet desulphurization equipments such as wet desulphurization tower may be used in desulfurization, desulphurization plant, and the desulfurization effect of this desulphurization plant is good, reliably, And operation and control are comparatively easy, are main flue gas desulfurizations at this stage, due to the exiting flue gas of heat-exchange apparatus Temperature drops to 100 DEG C once, typically 50-85 DEG C, such as 50,60,70,75,80 or 85 DEG C, is less than the vapour of desulfurization water Change temperature, by the temperature and/or other desulfurization process conditions of control loop desulfurization water, make desulphurization plant input gas temperature and Exit gas temperature difference is not more than 5-15 DEG C, such as no more than 5,10 or 15 DEG C, so that the increased flue gas of sulfur removal technology Water capacity very little can even further decrease the water capacity of flue gas, thus avoid under the prior art because desulphurization plant exports cigarette Gas water capacity is excessive, and remaining acid gas component is formed largely with flue gas neutral and alkali substance reaction in flue gas in the presence of water The problem of salt, and then considerably reduce the Atmospheric particulates especially pollution of PM2.5 that salt is derived from caused by flue gas.
Above-described embodiment only expresses certain specific implementation mode of the utility model, the description thereof is more specific and detailed, But it cannot be therefore understands that for the limitation to the utility model patent range, made by every utilization the utility model description Equivalent structure is applied directly or indirectly in other relevant technical fields, the patent guarantor for being similarly included in the utility model It protects in range.
It is disclosed by the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill Art means are that further limiting for another technological means is outer, can form several different technical solutions in any combination.

Claims (10)

1. a kind of boiler smoke vapour energy-saving low-carbon subtracts haze system, it is characterised in that including：
Deduster is used for flue gas ash removal, is equipped with gas inlet and exhanst gas outlet；
The energy saving micro- arranging device of boiler smoke vapour is converted to condensed water for being condensed to the steam in flue gas with heat exchange method And draw condensed water, to reduce the water content in flue gas, realize the micro- row of cigarette vapour, the shell of the energy saving micro- arranging device of boiler smoke vapour Multiple spaced heat exchange units are distributed in an axial direction in vivo, are respectively provided between the adjacent heat exchange unit of any two Condensed water elimination pipeline for drawing condensed water, the air inlet side ports of shell connect the flue gas of the deduster by flue Outlet；
Condensate water recovery device, the condensed water drawn for collecting the energy saving micro- arranging device of the boiler smoke vapour, and condensed water is given Enter the condensate water processing system, the condensed water elimination pipeline of the energy saving micro- arranging device of boiler smoke vapour accesses the condensed water and returns The condensation water inlet of receiving apparatus；
Condensate water processing system is handled for the acid condensate water to dust-laden, reaches discharge and/or reuse standard, described The outlet conduit of condensate water recovery device accesses the condensation water inlet of the condensate water processing system.
2. the system as claimed in claim 1, it is characterised in that the energy saving micro- arranging device of boiler smoke vapour includes being suitable for access cigarette The air inlet side ports of the shell in road, the shell are shell side medium entrance, and for connecting air inlet side flue, outlet side ports are shell Multiple spaced heat exchanges are distributed in the shell for connecting outlet side flue in journey media outlet in an axial direction Unit, the heat exchanging piece of the heat exchange unit is interior to be equipped with closed tube side medium channel, the heat exchange unit front and rear sides Housing hollow is connected to by the shell side medium channel of the heat exchange unit.
3. system as claimed in claim 2, it is characterised in that the heat exchanging piece quantity of the heat exchange unit is one or more, The shell side medium channel of the heat exchange unit include it is following any one or more：
Gap between heat exchanging piece and inner walls；
The axially extending bore being arranged in heat exchanging piece；
Gap between heat exchanging piece each section；
When the quantity of heat exchanging piece is multiple, the gap between each heat exchanging piece,
The heat exchanging piece of the heat exchange unit using it is following any one or more：
The hollow orifice plate being laterally arranged, the hollow orifice plate quantity typically one in same heat exchange unit are described hollow Orifice plate is equipped with side panel and leeward side panel windward, and the outer surface of the side panel windward and leeward side panel respectively constitutes this The side end face windward and leeward side end face of kind heat exchange unit, the side panel windward and leeward side panel are equipped with and correspond And the through-hole that is tightly connected by corresponding plate hole connecting tube, the plate hole connecting tube is axial straight tube, passes through two panels Between space, the pore of the plate hole connecting tube constitutes the shell side medium channel of the hollow orifice plate, the hollow orifice plate Inner cavity is used to form its tube side medium channel；
The pore of the annular heat exchange tube being laterally arranged, the annular heat exchange tube constitutes its tube side medium channel, same heat exchange list The quantity of annular heat exchange tube in member is one or more, when the quantity of the annular heat exchange tube in same heat exchange unit is At one, the side external surface windward and leeward side external surface of the annular heat exchange tube are in plane, respectively constitute this heat exchange The side end face windward and leeward side end face of unit；When the quantity of the annular heat exchange tube in same heat exchange unit is multiple When, each annular heat exchange tube is concentric and differs in size, and internal and external partition is distributed successively, outside the windward side of each annular heat exchange tube Surface is located in approximately the same plane, collectively forms the side end face windward of this heat exchange unit, the back of the body of each annular heat exchange tube Wind side external surface is located in approximately the same plane, collectively forms the leeward side end face of this heat exchange unit；
The spiral heat exchange tube being laterally arranged, the spiral heat exchange tube be snail heat exchanger tube or facade spiral heat exchange tube, it is described Snail heat exchanger tube refers to that the center line of its pore is located in a plane, and the facade spiral heat exchange tube refers in its pore Heart line is not located in plane, and the pore of the spiral heat exchange tube constitutes its tube side medium channel, in same heat exchange unit Spiral heat exchange tube quantity be one or more, when using snail heat exchanger tube when, described in same heat exchange unit When the quantity of snail heat exchanger tube is one, the side external surface windward and leeward side external surface of the snail heat exchanger tube are equal In plane, the side end face windward of this heat exchange unit and leeward side end face are respectively constituted；When the institute in same heat exchange unit When the quantity for stating snail heat exchanger tube is multiple, there are spacing at least partly between the subregion of snail heat exchanger tube, The side external surface windward of each snail heat exchanger tube is located in approximately the same plane, collectively forms meeting for this heat exchange unit The leeward side external surface of wind side end face, each snail heat exchanger tube is located in approximately the same plane, collectively forms this heat and hands over The leeward side end face for changing unit, when using facade spiral heat exchange tube, when the facade spiral in same heat exchange unit is changed When the quantity of heat pipe is one, the side external surface windward and leeward side external surface of the facade spiral heat exchange tube respectively constitute this The side end face windward and leeward side end face of heat exchange unit；When the number of the facade spiral heat exchange tube in same heat exchange unit When amount is multiple, there are spacing, each facade spiral heat exchange tubes at least partly between the subregion of facade spiral heat exchange tube Side external surface windward collectively form the side end face windward of this heat exchange unit, the leeward side of each facade spiral heat exchange tube Outer surface collectively forms the leeward side end face of this heat exchange unit.
4. system as claimed in claim 3, it is characterised in that the energy saving micro- arranging device of cigarette vapour is vertical using vertical or horizontal The energy saving micro- arranging device of the cigarette vapour shell it is vertically arranged, the lower end port of shell is air inlet side ports, and upper end port is Gas side port, the opposing end surface of adjacent heat exchange unit are the clinoplain being mutually parallel, with the energy saving micro- arranging device of the cigarette vapour Shell axis in being not 90 ° of angle, inclined equal thick clearances between heat exchange unit are consequently formed；The horizontal cigarette vapour The shell of energy saving micro- arranging device is horizontally disposed, and the front-end port of shell is air inlet side ports, and back-end ports are outlet side ports, phase The opposing end surface of adjacent heat exchange unit is the opposite clinoplain of inclined direction, the shell axis with the energy saving micro- arranging device of the cigarette vapour Line is in the angle for not being 90 °, and the spacing between both ends of the surface top is maximum, and the spacing between bottom end is minimum, and heat is consequently formed The bottom end width of V-shaped gap wide at the top and narrow at the bottom between crosspoint, the V-shaped gap is preferably not zero.
5. system as claimed in claim 4, it is characterised in that the side of the side end face windward and leeward side end face of the heat exchanging piece Edge is equipped with axially extending overfall out, and the water conservancy diversion of axially open is thus formed on the corresponding end-faces of the heat exchanging piece Slot, for condensed water catchment and water conservancy diversion, the overfall constitute the cell wall of corresponding diversion trench, the lowest point of the diversion trench connects It is connected to condensate water discharging branch pipe, the connecting portion of the diversion trench and the condensate water discharging branch pipe is preferably in funnel-form, described The outlet of branch drain extends to outside the shell of the energy saving micro- arranging device of the cigarette vapour or access drainpipe, the drainpipe go out Mouth is located at outside the shell of the energy saving micro- arranging device of the cigarette vapour.
6. system as claimed in claim 5, it is characterised in that the energy saving micro- arranging device of cigarette vapour is equipped with rinse-system, the punching The system of washing includes water distribution pipe and the nozzle on the water distribution pipe, and the connecting pipe of the water distribution pipe passes through institute Shell is stated, connection is located at the feed pipe outside shell, and the nozzle is located in shell, is stationary nozzle or rotary nozzle, the spray The quantity of head is multiple, and between at least adjacent heat exchange unit and outside of outermost heat exchange unit is equipped with the spray Head, the nozzle quantity for being set to the outside of any outermost heat exchange unit is at least one, for being sprayed the heat The end face outside of crosspoint, when the nozzle uses stationary nozzle, the institute that is set between arbitrary neighborhood heat exchange unit Nozzle quantity at least two is stated, is respectively used to be sprayed the opposing end surface of two heat exchange units, when the nozzle is using rotation When turning nozzle, it is set to the nozzle quantity being arranged between adjacent heat exchange unit and is at least one, change for passing through rotation Become spray direction, is sprayed the opposing end surface of two heat exchange units respectively.
7. the system as claimed in claim 1, it is characterised in that the exhanst gas outlet of the energy saving micro- arranging device of boiler smoke vapour passes through Flue accesses desulfurizing tower.
8. the system as claimed in claim 1, it is characterised in that the condensate water recovery device include multi-stage multi-pipe jet pump and Condensing hot air furnace tank, the condensation for being sucked medium entrance and connecting the energy saving micro- arranging device of the cigarette vapour of the multi-stage multi-pipe jet pump Water discharge spout road, the outlet of the multi-stage multi-pipe jet pump connects the condensation water input of the condensing hot air furnace tank, described cold The jet-loop water out of condensate recycling can connects the jet stream import of the multi-stage multi-pipe jet pump, the condensation by high-pressure pump The water outlet of water recovery tank constitutes the water outlet of the condensate water recovery device.
9. the system as claimed in claim 1, it is characterised in that the condensate water processing system includes the tune that catchments being sequentially connected in series It saves case, neutralize case, biochemical reaction case, flocculation reaction case, settling tank and water outlet regulating box, the water inlet line of the regulating box that catchments The water outlet of the condensate water recovery device is connected, water rate control door is equipped with, the neutralization case is equipped with milk of lime and launches pipeline, institute It states flocculation reaction case and is equipped with flocculant addition pipe road, the preferred organic flocculant PAM of flocculant（Polyacrylamide）And/or nothing Machine flocculant PAC（Aluminium polychloride）, the water outlet regulating box connects outlet conduit, between the settling tank and water outlet regulating box Equipped with the water outlet detection zone for on-line checking instrument and/or water sampling to be arranged, the water outlet detection zone can be arranged The outlet area of the settling tank is either arranged in the inlet area of the water outlet regulating box or is arranged in the settling tank In connecting pipe between water outlet regulating box or the water outlet detection zone is that setting is adjusted in the settling tank and water outlet Water quality monitoring box between case.
10. the system as described in claim 1-9 is any, it is characterised in that the energy saving micro- arranging device of boiler smoke vapour is equipped with automatic Control system is equipped on the heat-absorbing medium inlet pipeline and heat-absorbing medium outlet conduit of the energy saving micro- arranging device of boiler smoke vapour Control valve, for carrying out the open degree of control valve according to the set temperature of flue gas emission outlet, it is ensured that flue gas is into desulfurizing tower Specific temperature and heat, and temperature or pressure for adjusting water or steam needed for heat user, to meet production heating system The demand of system；The rinse-system of the energy saving micro- arranging device of boiler smoke vapour is according to the dust accumulation on the dust accumulation test point of its enclosure interior Thickness is rinsed, and the dust accumulation thickness on the dust accumulation test point can be the dust accumulation thickness observed by the detection hole on shell Degree situation or dust accumulation Thickness sensitivity data for online dust accumulation Thickness sensitivity instrument, the rinse-system be equipped with it is artificial and/or Automatic control device carries out manual or automatic flushing control, when carrying out artificial flushing control, passes through pot by operating personnel's foundation The dust accumulation situation or carried out according to the defined time artificial that peep hole on the shell of the energy saving micro- arranging device of stove cigarette vapour is observed Operation, when carrying out auto-flushing control, the energy saving micro- arranging device of boiler smoke vapour is equipped with for monitoring on dust accumulation test point The online dust accumulation Thickness sensitivity instrument of dust accumulation thickness is not provided with online dust accumulation Thickness sensitivity instrument, the automatic control device Rinse-system progress is automatically controlled according to the detection data of online dust accumulation Thickness sensitivity instrument or according to the preset time It rinses.
CN201721817560.1U 2017-08-16 2017-12-22 Boiler smoke vapour energy-saving low-carbon subtracts haze system Expired - Fee Related CN207922269U (en)

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CN2017210267592 2017-08-16
CN201721026759 2017-08-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113670095A (en) * 2021-08-30 2021-11-19 华电郑州机械设计研究院有限公司 Flue gas waste heat recovery heat supply and flow guide integrated chimney inlet device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113670095A (en) * 2021-08-30 2021-11-19 华电郑州机械设计研究院有限公司 Flue gas waste heat recovery heat supply and flow guide integrated chimney inlet device

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