CN109351105A - A kind of coal-fired flue-gas processing equipment - Google Patents
A kind of coal-fired flue-gas processing equipment Download PDFInfo
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- CN109351105A CN109351105A CN201811373020.8A CN201811373020A CN109351105A CN 109351105 A CN109351105 A CN 109351105A CN 201811373020 A CN201811373020 A CN 201811373020A CN 109351105 A CN109351105 A CN 109351105A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Abstract
The invention discloses a kind of coal-fired flue-gas processing equipments, including reuse means, dust-extraction unit and desulfurizer, it is the heating tank of double-layer structure, including lateral wall and inner sidewall including side wall, and lateral wall outer wall two sides are provided with the smoke-intake pipe and pipe of connection annular chamber.Feed inlet and escape pipe are provided at the top of heating tank, escape pipe top is connected to a cooler bin being fixed at the top of heating tank, and settling tank side is provided with smoke-intake pipe, and the position that settling tank leans on top is arranged in smoke-intake pipe, a block baffle is provided in settling tank, settling tank bottom is precipitation bucket；Smoke cande is washed in pipe connection, it washes inside smoke cande and is disposed with active carbon layer, drying layer, netted baffle plate layer from top to bottom and washes breathing liquid layer, a water inlet pipe is provided between drying layer and netted baffle plate layer, it washes smoke cande lower part and is provided with a drain pipe, this reality inventive structure is simple, improves the utilization rate of coal-fired heat, energy conservation and environmental protection, the flue dust in flue gas can be thoroughly removed, is reduced environmental pollution.
Description
Technical field
The invention belongs to coal-fired flue-gas processing technology field more particularly to a kind of coal-fired flue-gas processing equipments.
Background technique
Energy conservation and environmental protection theory should the mankind and natural mutual assistance, environment is harmonious.Life source is naturally, health comes from environmental protection, no
Waste of energy, it is a kind of embodiment of life attitudes, be a kind of rational judgment as a result, this be a kind of wisdom, be a kind of strength,
It is a kind of healthy tendency, is a kind of spirit, pushes the healthy stable development of society.Energy conservation and environmental protection is advocated, to save the existing energy
Consumption advocates environment-friendly type new energy development, benefits the society.Energy conservation and environmental protection efficiency should be improved, unnecessary energy waste is reduced.
Lignite also known as bavin coal are the minimum pit coals of degree of coalification.A kind of brownish black between peat and pitch coal, tarnish
Rudimentary coal.Chemical reactivity is strong, is easy weathering in air, is not easy to store and transport, when burning is serious to air pollution.But
It is since fat coal is almost mined out, lignite has become China master coal to be used.But lignite moisture is big (15-60%), institute
Have and needs to dry coal when in use, and the drying of existing lignite needs to make a fresh start to dry it, wastes fuel
Resource increases equipment and procedure of processing.Coal contains a large amount of heat in flue gas in burning, when handling coal-fired flue-gas we
It first has to be cooled down and does other purified treatments again, so not only waste of energy, while also increasing processing step.
In process of economic development, because a large amount of using coal-fired and directly in flue gas emission band air, so that control
Quality degradation, endanger people's health, at present expanding economy, population be increasing and living standards of the people
It increasingly improves, the problem of environmental pollution becomes people's growing interest, the flue gases such as fire coal are to need to arrange after processing is qualified
It is put into atmosphere.Lignite also known as bavin coal are the minimum pit coals of degree of coalification.A kind of palm fibre between peat and pitch coal
Black, lacklustre rudimentary coal.Chemical reactivity is strong, is easy weathering in air, is not easy to store and transport, to air when burning
It is seriously polluted.Now due to the fat coal in China is almost mined out, lignite has become China master coal to be used, but due to lignite
Degree of coalification it is too low, cause burning when have a large amount of grey black, if without processing direct emission, will cause more serious
Pollution.More than the flue dust that fat coal generates in the flue gas of lignite burning, the equipment of original processing coal-fired flue-gas cannot be thorough
Removing fire coal in flue dust.
So be badly in need of technical staff design it is a kind of using coal-fired flue-gas as heat source drying lignite device and it is a kind of can together
When remove flue gas in flue dust and flue gas in sulphur-containing substance device, to reach energy-saving and environment-friendly purpose.
Summary of the invention
The present invention provides a kind of coal-fired flue-gas processing equipment, the heat solved in present coal-fired flue-gas is wasted, does not have
Have and rationally utilized, existing coal-fired flue-gas processing unit cannot thoroughly go out the flue dust in coal-fired flue-gas the technical issues of.
Technical scheme is as follows: a kind of coal-fired flue-gas processing equipment, including reuse means, dust-extraction unit and de-
Sulphur device is it is characterized in that, the reuse means includes the heating tank that side wall is double-layer structure, the double-layer structure of the side wall
Including lateral wall and inner sidewall, the annular chamber sealed between the lateral wall and inner sidewall at one, the annular cavity wall
It is provided with fin, the fin is fixed on inner sidewall, and lateral wall outer wall two sides are provided with the first of connection annular chamber
Smoke-intake pipe and the first pipe；It is provided with feed inlet and escape pipe at the top of the heating tank, and its bottom is provided with discharge port, institute
It states escape pipe top and is connected to a cooler bin being fixed at the top of heating tank, the cooler bin is recessed inwardly to form a water
Slot, the sink are provided with the first water inlet pipe and outlet pipe, and the cooler bin bottom is additionally provided with a cooling tube, cooling pipe end
Portion is provided with water storage device；
The dust-extraction unit includes settling tank, and the settling tank side is provided with the second smoke-intake pipe, second smoke-intake pipe
It is connect with the first pipe, and the position that settling tank leans on top is arranged in second smoke-intake pipe, is provided in the settling tank
One block baffle, described baffle one end are fixed on that the other end at the top of settling tank is hanging, and precipitating upper box part is divided into two spaces by baffle,
And second smoke-intake pipe and the second pipe are located at baffle two sides, the settling tank bottom is precipitation bucket, the precipitating
Bucket bottom is provided with valve；Smoke cande is washed in the pipe connection, and described wash is disposed with active carbon from top to bottom inside smoke cande
Layer, drying layer, netted baffle plate layer and wash breathing liquid layer, it is described wash breathing liquid and be located at wash smoke cande bottom, pipe deeply washes tobacco juice
In vivo, the second water inlet pipe is provided between the drying layer and netted baffle plate layer, the water in second water inlet pipe is from netted gear
Plate laminar flow is provided with a drain pipe to breathing liquid layer, the smoke cande lower part of washing is washed；It washes at the top of smoke cande and is provided with connection and washes smoke cande
Internal and desulfurizer smoke exhaust pipe.
Further, the smoke-intake pipe is located at one smoke separating pipe of the connection of the port in annular chamber, the pipe shaft of the smoke separating pipe
It is connect with smoke pipe port, and the two-port of smoke separating pipe is in the vertical direction.
Further, cooler bin inner top is goed deep into the outlet end of the escape pipe.
Further, it is arranged one at the cooling water outlet of the cooling tube and expands case, expands case and be connected to cooling tube, and
The big box top of its Peng is provided with a tracheae, and the outlet tube that a diameter is cooling tube a quarter, the tracheae is arranged in bottom
Case and smoke exhaust pipe are expanded in connection, and expand the level height of chamber lower than smoke exhaust pipe.
Further, a cyclic water tank is connected between first water inlet pipe and outlet pipe, and in the cyclic water tank
It is provided with refrigerating plant.
Further, the upper bottom surface of the recess of the inner sidewall and cooler bin of the heating tank is that Heat Conduction Material is made.
Further, second pipe is located at the L-shaped setting of pipe section inside settling tank, pipe into
Mouth is in vertical direction and its is opening up.
Further, second pipe is being located at settling tank and is washing between smoke cande and be provided with a solenoid valve, and institute
It states and is provided with a pressure sensor in solenoid valve.
Further, the water inlet pipe is arranged in parallel washing in smoke cande with netted baffle plate, and the second water inlet pipe is located at Smoking pipe
Internal port sealing, the pipe shaft opposite with netted baffle plate are provided with Water outlet spray head.
Further, the breathing liquid of washing is akaline liquid, and the drying layer is made of alkaline matter.
Beneficial effects of the present invention: the present invention dries lignite using coal-fired flue-gas, makes the heat in its coal-fired flue-gas
Amount maximizes the use, and has not only saved fuel energy in this way, also reduces atmosphere pollution.The present apparatus, which uses, has double side walls
Heating tank, lignite is placed in inside heating tank, and flue gas heats heating tank from annular chamber, flue gas by the first smoke-intake pipe into
The annular chamber heating for entering sealing is gone out by pipe again, and annular chamber volume is big, when so that flue gas having enough in annular chamber
Between carry out heat exchange, and the fin on inner sidewall increases the heating surface area of heating tank, make its flue gas in finite time
Maximum heat exchange occurs between heating tank.The vapor come out in heating tank enters cooler bin by escape pipe, into
Row cooling liquid, the sink at the top of the cooler bin accelerate Liquefaction Rate so that vapor accelerates cooling.The present invention uses band
There is the mud chamber of partition, partition makes the top of mud chamber be two spaces separated, and is disposed therein on the second smoke-intake pipe
The top in one space, so that the flue dust come in cannot directly enter another space and touch the second pipe, due to precipitating
Indoor volume is larger, so that the flue gas flow rate entered slows down, the flue dust in flue gas encounters partition and is obstructed, under the flue dust nature of part
It falls and is deposited to bottom, flue gas will go out from pipe, due to the blocking of baffle, can only first walk downward, and bypass partition again up
It walks and passes through from pipe, during flue gas walks downward, due to gravity, part flue dust walks downward Direct precipitation, flue gas
Also partly precipitated is had during up walking, so that most of flue dust in flue gas is precipitated in mud chamber.It washes in smoke-box
Smoking liquid remove remaining a small amount of flue dust by washing breathing liquid, from washing in the flue gas come out in breathing liquid
Flue dust is free of, the netted baffle plate layer has the equally distributed effect of gas so that in smoking liquid out, due to gas
The bubble that body comes out from liquid is larger, and netted baffle plate layer also plays the role of water blocking, so that it will not splash the drying layer on top, by
Contain moisture in washing in the flue gas come out in breathing liquid, have a certain impact to the adsorptivity of active carbon, so setting drying layer
Dry flue gas adsorbs the harmful substance in flue gas by active carbon again, and the flue gas for flue dust of going out completely is finally by desulfurization suzerain
It can be arranged after desulfurization in band air.The configuration of the present invention is simple, it is convenient and practical, step is not only reduced, also coal fuel heating is measured
It utilizes to the greatest extent, reduces fuel combustion, energy conservation and environmental protection, while can also thoroughly remove the flue dust in flue gas, it is dirty to reduce environment
Dye.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is coal-fired flue-gas reuse means structural schematic diagram.
Fig. 3 is coal-fired flue-gas dust-removing apparatus structure schematic diagram.
Component label instructions: lateral wall 101, inner sidewall 102, annular chamber 2, fin 3, the first smoke-intake pipe 4, the second pipe
5, feed inlet 6, escape pipe 7, discharge port 8, cooler bin 9, sink 10, the first water inlet pipe 11,12 cooling tube 13 of outlet pipe, smoke separating pipe
14, the big case 15 of Peng, tracheae 16, outlet tube 17, settling tank 18, the second smoke-intake pipe 19, baffle 20, precipitation bucket 21, valve 22, second
Pipe 23 washes smoke cande 24, active carbon layer 25, netted baffle plate layer 26, drying layer 27, the second water inlet pipe 28, drain pipe 29, smoke evacuation
Pipe 30, solenoid valve 32, pressure sensor 33, Water outlet spray head 34, washes tobacco juice 35 at desulfurizer 31.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figs. 1-2, a kind of coal-fired flue-gas processing equipment, including reuse means, dust-extraction unit and desulfurizer 31,
The reuse means includes the heating tank that side wall is double-layer structure, and the double-layer structure of the side wall includes lateral wall 101 and interior
Side wall 102, the annular chamber 2 sealed between the lateral wall 101 and inner sidewall 102 at one, 2 inner wall of the annular chamber setting
There is fin 3, the fin 3 is fixed on inner sidewall 102, and 101 outer wall two sides of the lateral wall are provided with connection annular chamber 2
First smoke-intake pipe 4 and the first pipe；It is provided with feed inlet 6 and escape pipe 167 at the top of the heating tank, and its bottom is provided with
Discharge port 8,167 top of escape pipe are connected to a cooler bin 9 being fixed at the top of heating tank, and the cooler bin 9 is inwardly
Recess forms a sink 10, and the sink 10 is provided with the first water inlet pipe 11 and outlet pipe, and 9 bottom of cooler bin is also set up
There is a cooling tube, cooling tube end is provided with water storage device.
The dust-extraction unit includes settling tank 18, and 18 side of settling tank is provided with the second smoke-intake pipe 19, and described second
Smoke-intake pipe 19 is connect with the first pipe, and the position that settling tank 18 leans on top is arranged in second smoke-intake pipe 19, described heavy
It is provided with a block baffle 20 in shallow lake case 18, it is hanging that described 20 one end of baffle is fixed on the 18 top other end of settling tank, and 20, baffle
18 top of settling tank is divided into two spaces, and second smoke-intake pipe 19 and the second pipe 235 are located at 20 two sides of baffle,
18 bottom of settling tank is precipitation bucket 21, and 21 bottom of precipitation bucket is provided with valve 22；Smoke cande is washed in the pipe connection
24, described wash inside smoke cande 24 is disposed with active carbon layer 25, drying layer 27,20 layers of netted baffle plate from top to bottom and washes tobacco juice
35 body layers, 35 body of tobacco juice of washing is positioned at 24 bottom of smoke cande is washed, and pipe is deeply washed in 35 body of tobacco juice, the drying layer 27 and net
The second water inlet pipe 28 is provided between 20 layers of shape baffle, the water in second water inlet pipe 28 is from 20 laminar flow of netted baffle plate to washing cigarette
35 body layer of liquid, 24 lower part of smoke cande of washing are provided with a drain pipe 29；It washes at the top of smoke cande 24 and is provided with connection and washes in smoke cande 24
The smoke exhaust pipe 30 in portion and desulfurizer 31.
In production, the bottom of annular chamber 2, which is arranged one, can open and seal lid, because of many of flue gas cigarette
Dirt can be deposited in annular chamber 2, and after running up to certain amount, the actual volume of annular chamber 2 reduces, and make it possible to carry out simultaneously
The flue gas of heat exchange is reduced, and the drying effect for adding lignite is influenced, so needing these flue dust of periodic cleaning.Water in sink 10
It ceaselessly to replace, so that vapor cooling rate increases.
Lignite is dried using coal-fired flue-gas, so that the heat in coal-fired flue-gas maximizes the use, in this way
Fuel energy has not only been saved, atmosphere pollution is also reduced.The present apparatus uses the heating tank with double side walls, and lignite, which is placed in, to be added
Inside hot tank, flue gas heats heating tank from annular chamber 2, and flue gas is added by the annular chamber 2 that the first smoke-intake pipe 4 enters sealing
Heat is gone out by the first pipe again, and 2 volume of annular chamber is big, so that flue gas has sufficient time to carry out heat in annular chamber 2
Exchange, and the fin 3 on inner sidewall 102 increases the heating surface area of heating tank, makes its flue gas and heating in finite time
Maximum heat exchange occurs between tank.The vapor come out in heating tank enters cooler bin 9 by escape pipe 167, carries out
The sink 10 of cooling liquid, 9 top of cooler bin accelerates Liquefaction Rate so that vapor accelerates cooling.
The flue gas come out from annular canister enters mud chamber by the first pipe and the second smoke-intake pipe 19, and part flue dust exists
It is precipitated in mud chamber, the precipitation bucket 21 of mud chamber bottom collects flue dust and passes through precipitation bucket when flue dust is deposited to certain thickness
22 scavenger precipitation of valve of 21 lower parts.The flue gas that mud chamber comes out is entered by the second pipe 235 to be washed in smoke-box by washing cigarette
35 body of liquid completely removes the flue dust in flue gas, and washing 35 body of tobacco juice can be clear water, or akaline liquid washes tobacco juice 35
Body forms a dynamic equilibrium by water inlet pipe and drain pipe 29, when washing 35 body of tobacco juice after a period of use, open simultaneously into
Water pipe and outlet tube 17 make it wash tobacco juice 35 and dynamically replace, and drying layer 27 and active carbon layer 25 are also required to East replacement, to keep
Its drying property and absorption property, also containing other harmful substances of part, can be removed in flue gas other than sulphur by active carbon
It goes, desulfurizer 31 is entered from smoke exhaust pipe 30 by the flue gas of active carbon layer 25.
Partition makes the top of mud chamber be two spaces separated, and the upper of a space is disposed therein on smoke-intake pipe
Portion, so that the flue dust come in cannot directly enter another space and touch the second pipe 235, due to precipitating indoor volume
Larger, so that the flue gas flow rate entered slows down, the flue dust in flue gas encounters partition and is obstructed, and part flue dust falls naturally and is deposited to bottom
Portion, flue gas will go out from pipe, due to the blocking of baffle 20, can only first walk downward, and up be walked again around partition from smoke
Pass through in pipe, during flue gas walks downward, due to gravity, part flue dust walks downward Direct precipitation, what flue gas was up walked
Partly precipitated is also had in the process, so that most of flue dust in flue gas is precipitated in mud chamber.Wash the indoor smoking liquid of cigarette
Body removes remaining a small amount of flue dust in flue gas by washing 35 body of tobacco juice, from the flue gas washed in 35 body of tobacco juice out
Without flue dust, 20 layers of the netted baffle plate have the equally distributed effect of gas so that in smoking liquid out, due to gas
The bubble come out from liquid is larger, and 20 layers of netted baffle plate also play the role of water blocking, so that it will not splash the drying layer 27 on top,
Contain moisture due to washing in the flue gas come out in 35 body of tobacco juice, have a certain impact to the adsorptivity of active carbon, so setting is dry
Dry 27 dry flue gas of layer adsorbs the harmful substance in flue gas by active carbon again, and the flue gas for flue dust of going out completely is finally by de-
It can be arranged after sulphur suzerain's desulfurization in band air.
Further, the smoke-intake pipe is located at one smoke separating pipe 14 of the connection of the port in annular chamber 2, the smoke separating pipe 14
Pipe shaft is connect with smoke pipe port, and the two-port of smoke separating pipe 14 is in the vertical direction.Go out flue gas from smoke-intake pipe
Both direction is scattered up and down for dealing, while also being avoided smoke-intake pipe from being directly directed at inner sidewall 102 and being excluded flue gas, its inner sidewall 102 is made
Wall local temperature is excessively high.
Further, 9 inner top of cooler bin is goed deep into the outlet end of the escape pipe 167.Make to go out in escape pipe 167 in this way
The vapor come, contacts with 10 bottom of sink at once, its vapor is made to cool down rapidly.
Further, it is arranged one at the cooling water outlet of the cooling tube and expands case, expands case and be connected to cooling tube, and
A tracheae 16 is provided at the top of the big case 15 of its Peng, the outlet tube 17 that a diameter is cooling tube a quarter, institute is arranged in bottom
It states the connection of tracheae 16 and expands case and smoke exhaust pipe 30, and expand the level height of chamber lower than smoke exhaust pipe 30.
Further, a cyclic water tank, and the cyclic water tank are connected between first water inlet pipe 11 and outlet pipe
Inside it is provided with refrigerating plant.Outlet tube 17 is not closed in the certain time started when use, wait condensed waters product in expanding chamber
Tire out it is a certain amount of after, then open outlet tube 17 and carry out drain, be discharged in cooling tube expand chamber condensate flow it is small, so liquid out
Pipe 17 needs to be less than cooling tube and could to expand bottom of chamber portion hydrops always, prevents gas from directly excluding, because in heating tank
There is also there is other compositions in vapor out, direct emission will cause pollution in an atmosphere, so expanding upper box part setting
Tracheae 16, because of gravity, water is up walked in the bottom for expanding chamber, gas, so the top for expanding chamber is arranged in tracheae 16
It is connected to smoke pipe, so that gas drives away with condensed moisture not to be interfere with each other, and remaining gas is integrally purified with flue gas to be arranged again
It removes.
Further, a cyclic water tank, and the cyclic water tank are connected between first water inlet pipe 11 and outlet pipe
Inside it is provided with refrigerating plant.Recycle the water in sink 10 always, save water resource while, cooling device into
Row cooling, so that the water in sink 10 cools down not in cyclic water tank influences the cooling function of sink 10.
Further, the upper bottom surface of the recess of the inner sidewall 102 and cooler bin 9 of the heating tank is Heat Conduction Material system
At.Make the thermally conductive fast of inner sidewall 102 in this way, Drying Rates are high, and the upper bottom surface of cooler bin 9 is Heat Conduction Material so that bottom surface with
Heat exchange between cooling water and steam is accelerated, and condensation rate is increased.
Further, second pipe 235 is located at the L-shaped setting of pipe section inside settling tank 18, smoke
The smoke inlet of pipe is in vertical direction and its is opening up.Make flue gas enter pipe on top in this way, precipitates its flue dust
More.
Further, second pipe 235 is being located at settling tank 18 and is washing between smoke cande 24 and be provided with an electromagnetism
Valve 32, and a pressure sensor 33 is provided in the solenoid valve 32.Since the other end of pipe is insertion smoking liquid
In, when the flue gas deficiency of entrance, it is easy to happen suck-back, so needing to be arranged suck-back device, solenoid valve 32 and pressure are passed
Sensor 33 connects, and when pressure sensor 33 detects that the flue gas in pipe is flow backwards, Self-shut electromagnetic valve 32 prevents from washing cigarette
Liquid 35 is flow backwards.
Further, the water inlet pipe is arranged in parallel washing in smoke cande 24 with netted baffle plate 20, and the second water inlet pipe 28 is located at
Port sealing inside Smoking pipe, the pipe shaft opposite with netted baffle plate 20 are provided with Water outlet spray head 34.Contain cigarette in smoking liquid
Dirt, it is easy to adhere on water fender, be stained be easy 20 layers of netted baffle plate of blocking for a long time, so setting Water outlet spray head 34, makes
The flue dust obtained on baffle 20 is swept away, and is not plugged up.
Further, 35 body of tobacco juice of washing is akaline liquid, and the drying layer 27 is made of alkaline matter.Make in this way
Partially acidic substance in flue gas is removed.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of coal-fired flue-gas processing equipment, including reuse means, dust-extraction unit and desulfurizer, which is characterized in that described
Reuse means includes the heating tank that side wall is double-layer structure, and the double-layer structure of the side wall includes lateral wall and inner sidewall, institute
The annular chamber sealed between lateral wall and inner sidewall at one is stated, the annular cavity wall is provided with fin, and the fin is solid
It is scheduled on inner sidewall, and lateral wall outer wall two sides are provided with the first smoke-intake pipe and the first pipe of connection annular chamber；Institute
It states and is provided with feed inlet and escape pipe at the top of heating tank, and its bottom is provided with discharge port, the escape pipe top is connected to one
The cooler bin being fixed at the top of heating tank, the cooler bin are recessed inwardly to form a sink, and the sink is provided with first
Water inlet pipe and outlet pipe, the cooler bin bottom are additionally provided with a cooling tube, and cooling tube end is provided with water storage device；
The dust-extraction unit includes settling tank, and the settling tank side is provided with the second smoke-intake pipe, second smoke-intake pipe and
The connection of one pipe, and the position that settling tank leans on top is arranged in second smoke-intake pipe, is provided with one piece in the settling tank
Baffle, described baffle one end are fixed on that the other end at the top of settling tank is hanging, and precipitating upper box part is divided into two spaces, and institute by baffle
It states the second smoke-intake pipe and the second pipe is located at baffle two sides, the settling tank bottom is precipitation bucket, the precipitation bucket bottom
Portion is provided with valve；Smoke cande is washed in the pipe connection, and described wash inside smoke cande is disposed with active carbon layer from top to bottom, does
Dry layer, netted baffle plate layer and wash breathing liquid layer, it is described wash breathing liquid and be located at wash smoke cande bottom, pipe is deeply washed in breathing liquid,
The second water inlet pipe is provided between the drying layer and netted baffle plate layer, the water in second water inlet pipe is from netted baffle plate laminar flow
To breathing liquid layer is washed, the smoke cande lower part of washing is provided with a drain pipe；Wash at the top of smoke cande be provided with connection wash inside smoke cande and
The smoke exhaust pipe of desulfurizer.
2. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that the smoke-intake pipe is located in annular chamber
Port connect a smoke separating pipe, the pipe shaft of the smoke separating pipe is connect with smoke pipe port, and the two-port of smoke separating pipe is vertical
On direction.
3. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that the outlet end of the escape pipe is goed deep into
Cooler bin inner top.
4. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that the cooling water outlet of the cooling tube
Case is expanded in place's setting one, expands case and is connected to cooling tube, and the big box top of its Peng is provided with a tracheae, and bottom is arranged one
Diameter is the outlet tube of cooling tube a quarter, and case and smoke exhaust pipe are expanded in the tracheae connection, and the level height for expanding chamber is low
In smoke exhaust pipe.
5. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that first water inlet pipe and outlet pipe
Between connect a cyclic water tank, and be provided with refrigerating plant in the cyclic water tank.
6. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that the inner sidewall of the heating tank and cold
But the upper bottom surface of the recess of case is that Heat Conduction Material is made.
7. a kind of coal-fired flue-gas processing equipment according to claim 1, which is characterized in that second pipe is located at precipitating
The L-shaped setting of pipe section inside case, the smoke inlet of pipe is in vertical direction and its is opening up.
8. a kind of coal-fired flue-gas processing equipment according to claim 1 rises and is characterized in that, second pipe is positioned at heavy
It shallow lake case and washes between smoke cande and is provided with a solenoid valve, and be provided with a pressure sensor in the solenoid valve.
9. a kind of coal-fired flue-gas processing equipment according to claim 1, rise and be characterized in that, the water inlet pipe wash in smoke cande with
Netted baffle plate is arranged in parallel, and the second water inlet pipe is located at the port sealing inside Smoking pipe, the pipe shaft setting opposite with netted baffle plate
There is Water outlet spray head.
10. a kind of coal-fired flue-gas processing equipment according to claim 1 rises and is characterized in that, the breathing liquid of washing is alkalies
Body, the drying layer are made of alkaline matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111921839A (en) * | 2020-07-03 | 2020-11-13 | 安徽理工大学 | Experimental device for continuously separating mixture of coal containing gas and water |
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