CN208627001U - A kind of boiler flue gas desulfurization system - Google Patents
A kind of boiler flue gas desulfurization system Download PDFInfo
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- CN208627001U CN208627001U CN201820956451.6U CN201820956451U CN208627001U CN 208627001 U CN208627001 U CN 208627001U CN 201820956451 U CN201820956451 U CN 201820956451U CN 208627001 U CN208627001 U CN 208627001U
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- flue gas
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Abstract
The utility model discloses a kind of boiler flue gas desulfurization systems, it includes water film dust removal device, desulfurizer, for storing the lye settler and circulator of dyeing waste water, it is connected between water film dust removal device and desulfurizer by flue gas escape pipe, it is pumped and is connected by first circulation between water film dust removal device and circulator, desulfurizer upper end is provided with desulfurization nozzle, desulfurizer bottom corresponds to desulfurization nozzle and is provided with reservoir, the reservoir and desulfurization nozzle, second circulation pump is provided between circulator, lye pump is provided between lye settler and desulfurization nozzle.The utility model not only improves desulfuration efficiency, moreover it is possible to neutralize printing and dyeing industrial waste water, can achieve the effect that energy saving and protection environment.
Description
Technical field
The utility model relates to boiler smoke processing technology field, in particular to a kind of boiler flue gas desulfurization system.
Background technique
A large amount of sulfur dioxide is the main reason for China's atmosphere pollution, acid rain generate again and again in coal fire discharged, in flue gas
Sulfur dioxide can direct stimulating human respiratory tract, cause various respiratory disorders, therefore administer the titanium dioxide of coal-fired flue-gas discharge
Sulphur pollution has become a very urgent job of current environmental protection.But account for the middle-size and small-size of industrial boilers in China accounting 70%
The flue gas desulfurization of coal-burning boiler is administered or a weak link, and main cause is that a large amount of mediumand smallscale industrial boilers can't afford
A large amount of capital expenditures and high operating cost that common sulfur removal technology requires at present, and flue gas in the prior art mostly uses greatly
Lime stone and lime need to put into corresponding desulphurization plant as desulfurizing agent, and are easy for a long time using in rear desulphurization plant
Dirt is formed, blocking in equipment is caused, to influence desulfuration efficiency, increases the cost of maintenance desulphurization plant.
Summary of the invention
The purpose of this utility model is that in view of the above-mentioned problems, provide one kind can it is energy saving, can make full use of and locate
Dyeing waste water, and the sulfur dioxide and soot dust granule object that can be effectively removed in boiler smoke are managed, smoke pollution of boiler ring is reduced
The boiler flue gas desulfurization system in border.
The utility model technical solution used for the above purpose are as follows:
A kind of boiler flue gas desulfurization system comprising water film dust removal device, desulfurizer, the alkali for storing dyeing waste water
Liquid precipitate device and circulator are connected between the water film dust removal device and the desulfurizer by flue gas escape pipe, institute
It states to pump between water film dust removal device and the circulator by first circulation and connect, the desulfurizer upper end is provided with desulfurization
Nozzle, the desulfurizer bottom correspond to the desulfurization nozzle and are provided with reservoir, and the reservoir and the desulfurization nozzle follow
It is provided with second circulation pump between loop device, is provided with lye pump between the lye settler and the desulfurization nozzle.
Preferably, the lye settler includes the first sedimentation basin being arranged along wastewater feed direction, the second precipitating
Pond and third sedimentation basin, first sedimentation basin, the second sedimentation basin and the stepped setting of third sedimentation basin.
Preferably, the first filter layer is provided between first sedimentation basin, the second sedimentation basin, second precipitating
The second filter layer is provided between pond, third sedimentation basin.
Preferably, being connected between the third sedimentation basin and the desulfurization nozzle by the lye pump.
Preferably, the both ends of the second circulation pump are respectively arranged with input port and delivery outlet, the input port and institute
It states and is connected between reservoir by first circulation pipe, the delivery outlet includes the first delivery outlet being set side by side and the second output
Mouthful, it is connected between first delivery outlet and the desulfurization nozzle by second circulation pipe, second delivery outlet is followed with described
It is connected between loop device by third circulation pipe.
Preferably, the water film dust removal device includes body, several spray throwers and several cyclones, set in the body
It is equipped with pipeline inverted " u "-shaped, the bottom of the body left side is provided with smoke inlet obliquely, indulges above the smoke inlet
Connection is pumped by the first circulation to outlet pipe, the outlet pipe and the circulator is provided with, between the cyclone is pressed
From being horizontally set on the outlet pipe, each spray thrower is located on the outlet pipe gauge, and is located at each described
Above cyclone.
Preferably, being provided with dehydrator above the cyclone of the top, the dehydration is corresponded on the outlet pipe
Device is horizontally arranged with flusher, and the spray head of several spouts upward is set side by side on the flusher, and the flusher passes through institute
First circulation pump is stated to connect with the circulator.
Preferably, being provided with blocking solution ring above the flusher.
Preferably, the bottom of the body left side is the inclined-plane towards Right deviation obliquely, the bottom of the body left side
Discharge outlet is provided in portion, the discharge outlet is connect with the circulator by drainpipe, and the body right side is provided with
Exhanst gas outlet, the flue gas escape pipe are connect by the first air-introduced machine with the exhanst gas outlet.
Preferably, being connected with smoke exhaust pipe at the top of the desulfurizer, the smoke exhaust pipe passes through the second air-introduced machine and chimney
Connection.
The utility model has the following beneficial effects: the utility model is simple and reasonable, and it is ingenious in design, it is heavy by setting lye
The cooperation of shallow lake device, circulator and first circulation pump, second circulation pump and lye pump, using the industrial wastewater of alkalinity to boiler
Flue gas carries out circulation desulfurization, makes the sulfur dioxide complete neutralization in flue gas, and the pH value of the industrial wastewater after desulfurization also can
Reach neutral, not only improve desulfuration efficiency, moreover it is possible to neutralize printing and dyeing industrial waste water, energy saving and protection environment effect can be reached
Fruit；Water film dust removal device is first passed through before desulfurizer, the dust particles in boiler smoke can be pre-processed.
With reference to the accompanying drawing with embodiment, the present invention will be further described.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of water film dust removal device in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As illustrated in fig. 1 and 2, in the present embodiment, a kind of boiler flue gas desulfurization system comprising water film dust removal device 1, desulfurization
Device 2, the lye settler 3 for storing dyeing waste water and circulator 4, the water film dust removal device 1 and the desulfurization
It is connected between device 2 by flue gas escape pipe 5, passes through first circulation between the water film dust removal device 1 and the circulator 4
6 connection of pump, 2 upper end of desulfurizer are provided with desulfurization nozzle 20, and 2 bottom of desulfurizer corresponds to the desulfurization nozzle 20
It is provided with reservoir 21, second circulation pump 7, institute are provided between the reservoir 21 and the desulfurization nozzle 20, circulator 4
It states and is provided with lye pump 8 between lye settler 3 and the desulfurization nozzle 20.
Specifically, the waste water in circulator 4 is acid before no addition dyeing waste water, after dyeing waste water is added,
The pH value of meet the requirement of environmental protection is greater than 9；Meanwhile boiler smoke presss from both sides in boiler smoke when neutralization reaction occurs with dyeing waste water
Play the role of similar active carbon with a large amount of molecules, has to the organic matter and pigment in dyeing waste water and to microorganism
Harmful noxious material is adsorbed, and pre-processes dyeing waste water before being sent to waste water processing station.
In the present embodiment, the lye settler 3 includes the first sedimentation basin 30, second along the setting of wastewater feed direction
Sedimentation basin 31 and third sedimentation basin 32, first sedimentation basin 30, the second sedimentation basin 31 and third sedimentation basin 32 is stepped sets
It sets.
In the present embodiment, it is provided with the first filter layer between first sedimentation basin 30, the second sedimentation basin 31, described second
The second filter layer is provided between sedimentation basin 31, third sedimentation basin 32.
In the present embodiment, connected between the third sedimentation basin 32 and the desulfurization nozzle 20 by the lye pump 8；
Specifically, twice-filtered dyeing waste water is flowed into desulfurization nozzle 20 via lye pump 8, the first filter layer,
Second filter layer can effectively completely cut off the impurity in dyeing waste water, prevent blocking pipeline.
In the present embodiment, the both ends of second circulation pump 7 are respectively arranged with input port and delivery outlet, the input port with
It is connected between the reservoir 21 by first circulation pipe, the delivery outlet includes that the first delivery outlet being set side by side and second are defeated
Outlet, is connected between first delivery outlet and the desulfurization nozzle 20 by second circulation pipe, second delivery outlet and institute
It states and is connected between circulator 4 by third circulation pipe.
In the present embodiment, the water film dust removal device 1 includes body 10, several spray throwers 11 and several cyclones 12, institute
It states and is provided with pipeline inverted " u "-shaped in body 10, the bottom of 10 left side of body is provided with smoke inlet 13, institute obliquely
It states and is vertically arranged with outlet pipe 14 above smoke inlet 13, the outlet pipe 14 is followed with the circulator 4 by described first
6 connection of ring pump, the cyclone 12 are horizontally set on the outlet pipe 14 by spacing distance, and each 11 ring of spray thrower is set
In on the outlet pipe 14, and it is located at each 12 top of the cyclone；
Specifically, the pipeline inverted " u "-shaped in body 10 can reduce flue gas and pass through resistance；There are many sprays for setting on spray thrower 11
Hole, the waste water in circulating water pool flow into outlet pipe 14 by first circulation pump, and flow to spray thrower by outlet pipe 14, and from spray
Hole sprays；Cyclone 12 can make water flow rotary spray the water flow to form disk like, thus in flue gas dust particles carry out every
Absolutely.
In the present embodiment, it is provided with dehydrator 15 above the cyclone 12 of the top, is corresponded on the outlet pipe 14
The dehydrator 15 is horizontally arranged with flusher 16, and the spray head of several spouts upward, institute are set side by side on the flusher 16
Flusher 16 is stated to connect by first circulation pump 6 with the circulator 4；
Specifically, dehydrator 15 can effectively remove the fog in boiler smoke；The spray head of spout upward can be to dehydrator 15
It is rinsed.
In the present embodiment, blocking solution ring 17 is provided with above the flusher 16；
Specifically, blocking solution ring 17 can prevent fog un-cleared in boiler smoke from passing through.
In the present embodiment, the bottom of 10 left side of body is the inclined-plane towards Right deviation obliquely, the body 10 left half
Discharge outlet 18 is provided on the bottom in portion, the discharge outlet 18 is connect with the circulator 4 by drainpipe, the body 10
Right side is provided with exhanst gas outlet 19, and the flue gas escape pipe 5 is connect by the first air-introduced machine with the exhanst gas outlet 19.
In the present embodiment, smoke exhaust pipe is connected at the top of the desulfurizer 2, the smoke exhaust pipe passes through the second air-introduced machine and cigarette
Chimney connection.
Boiler smoke is sent into desulfurizing tower after water dust scrubber dedusting, by the first air-introduced machine, and boiler smoke is filled in desulfurization
It sets in 2 and is contacted and desulfurization with the dyeing waste water of spray, is most discharged afterwards through demister demisting by chimney.Dyeing waste water one after desulfurization
Part returns desulfurization nozzle 20 by second circulation pump 7 and carries out spray desulfurization, and another part flows into circulator by second circulation pump 7
In 4, then it is passed through in water dust scrubber by first circulation pump 6 and boiler smoke is pre-processed.
Using printing and dyeing industrial waste water desulfurization, desulfuration efficiency can be improved, and sulfur dioxide complete neutralization can be made titanium dioxide
Sulphur is no longer overflowed from water, realizes real desulfurization, while the pH value of the dyeing waste water after desulfurization reaches 7~8, avoids waste water pair
The corrosion of equipment.
The utility model is simple and reasonable, ingenious in design, by the way that lye settler 3, circulator 4 and first is arranged
The cooperation of circulating pump 6, second circulation pump 7 and lye pump 8 carries out circulation desulfurization to boiler smoke using the industrial wastewater of alkalinity,
Make the sulfur dioxide complete neutralization in flue gas, and the pH value of the industrial wastewater after desulfurization can also reach neutral, not only improve
Desulfuration efficiency, moreover it is possible to neutralize printing and dyeing industrial waste water, can achieve the effect that energy saving and protection environment.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " installation ", " phase
Even ", " connection " is broader sense, and those skilled in the art should broadly understood.It, can also be with for example, it may be fixedly connected
It is to be flexibly connected, or be entirely connected, or locally connect, can be mechanical connection, be also possible to be electrically connected, can be straight
It connects connected, is also possible to be indirectly connected with by intermediary, can also be the connection etc. inside two elements, for this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be, that is, word language
Expression can be flexibly corresponding with the implementation of actual techniques, the table of the word language (including attached drawing) of the specification of the utility model
Up to any single restricted explanation not constituted to claim.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, the shape according to the utility model
Equivalence changes made by shape, construction and principle should all be covered by the protection scope of the utility model.
Claims (10)
1. a kind of boiler flue gas desulfurization system, which is characterized in that it includes water film dust removal device, desulfurizer, for storing print
The lye settler and circulator for contaminating waste water pass through flue gas outlet between the water film dust removal device and the desulfurizer
Pipe connection, is pumped by first circulation between the water film dust removal device and the circulator and is connected, the desulfurizer upper end
Be provided with desulfurization nozzle, the desulfurizer bottom corresponds to the desulfurization nozzle and is provided with reservoir, the reservoir with it is described
It is provided with second circulation pump between desulfurization nozzle, circulator, is arranged between the lye settler and the desulfurization nozzle
There is lye pump.
2. boiler flue gas desulfurization system according to claim 1, which is characterized in that the lye settler includes along waste water
The first sedimentation basin, the second sedimentation basin and the third sedimentation basin of feedstock direction setting, first sedimentation basin, the second sedimentation basin and the
The stepped setting of three sedimentation basins.
3. boiler flue gas desulfurization system according to claim 2, which is characterized in that first sedimentation basin, the second sedimentation basin
Between be provided with the first filter layer, be provided with the second filter layer between second sedimentation basin, third sedimentation basin.
4. boiler flue gas desulfurization system according to claim 2, which is characterized in that the third sedimentation basin and the desulfurization are sprayed
It is connected between mouth by the lye pump.
5. boiler flue gas desulfurization system according to claim 1, which is characterized in that the both ends of the second circulation pump are set respectively
It is equipped with input port and delivery outlet, is connected between the input port and the reservoir by first circulation pipe, the delivery outlet packet
The first delivery outlet and the second delivery outlet being set side by side are included, is followed between first delivery outlet and the desulfurization nozzle by second
Endless tube connection, is connected between second delivery outlet and the circulator by third circulation pipe.
6. boiler flue gas desulfurization system according to claim 1, which is characterized in that the water film dust removal device include body,
Several spray throwers and several cyclones are provided with pipeline inverted " u "-shaped in the body, and the bottom of the body left side is obliquely
Ground is provided with smoke inlet, and outlet pipe is vertically arranged with above the smoke inlet, and the outlet pipe and the circulator are logical
The first circulation pump connection is crossed, the cyclone is horizontally set on the outlet pipe by spacing distance, each spray
Device is located on the outlet pipe, and is located above each cyclone.
7. boiler flue gas desulfurization system according to claim 6, which is characterized in that setting above the cyclone of the top
There is dehydrator, the dehydrator is corresponded on the outlet pipe and is horizontally arranged with flusher, if being set side by side on the flusher
The spray head of dry spout upward, the flusher are pumped by the first circulation and are connect with the circulator.
8. boiler flue gas desulfurization system according to claim 7, which is characterized in that be provided with blocking solution above the flusher
Ring.
9. boiler flue gas desulfurization system according to claim 6, which is characterized in that the bottom of the body left side is towards the right side
Inclined-plane diagonally downward, discharge outlet is provided on the bottom of the body left side, and the discharge outlet and the circulator are logical
Cross drainpipe connection, the body right side is provided with exhanst gas outlet, the flue gas escape pipe by the first air-introduced machine with it is described
Exhanst gas outlet connection.
10. boiler flue gas desulfurization system according to claim 1, which is characterized in that the row of being connected at the top of the desulfurizer
Smoke pipe, the smoke exhaust pipe are connect by the second air-introduced machine with chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820956451.6U CN208627001U (en) | 2018-06-21 | 2018-06-21 | A kind of boiler flue gas desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820956451.6U CN208627001U (en) | 2018-06-21 | 2018-06-21 | A kind of boiler flue gas desulfurization system |
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| CN208627001U true CN208627001U (en) | 2019-03-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090516A (en) * | 2019-04-28 | 2019-08-06 | 芜湖富春染织股份有限公司 | Printing and dyeing boiler smoke treatment process |
| CN110801698A (en) * | 2019-09-28 | 2020-02-18 | 亿利洁能科技（乐陵）有限公司 | Coal-fired boiler flue gas dedusting and desulfurizing process for steam production |
| CN110801699A (en) * | 2019-09-28 | 2020-02-18 | 亿利洁能科技（乐陵）有限公司 | Efficient desulfurization, dedusting and purification system for flue gas of coal-fired boiler for steam production |
-
2018
- 2018-06-21 CN CN201820956451.6U patent/CN208627001U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090516A (en) * | 2019-04-28 | 2019-08-06 | 芜湖富春染织股份有限公司 | Printing and dyeing boiler smoke treatment process |
| CN110801698A (en) * | 2019-09-28 | 2020-02-18 | 亿利洁能科技（乐陵）有限公司 | Coal-fired boiler flue gas dedusting and desulfurizing process for steam production |
| CN110801699A (en) * | 2019-09-28 | 2020-02-18 | 亿利洁能科技（乐陵）有限公司 | Efficient desulfurization, dedusting and purification system for flue gas of coal-fired boiler for steam production |
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