CN206508755U - Horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment - Google Patents
Horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment Download PDFInfo
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- CN206508755U CN206508755U CN201621078553.XU CN201621078553U CN206508755U CN 206508755 U CN206508755 U CN 206508755U CN 201621078553 U CN201621078553 U CN 201621078553U CN 206508755 U CN206508755 U CN 206508755U
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- flue gas
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Abstract
The utility model discloses a kind of horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment.Including horizontally disposed tank body, blow vent is provided with described tank body upper and lower ends；Adsorbent is provided with described tank body.The utility model can be required according to different fume treatments by using after present apparatus parallel connection, desulfurization and the regeneration of adsorbent are carried out, whole process active coke adsorbent is fixed in a device, it is not necessary to mobile, a large amount of losses of activated coke are avoided, operating cost is substantially reduced.
Description
Technical field
The utility model is related to a kind of horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment.More particularly to environmental protection
Field.
Background technology
Air is the important environmental factor for participating in water and various elements circulation, is most basic environment for the survival of mankind
Key element.With the development and the acceleration of process of industrialization of social economy, the burning of a large amount of fossil fuels and the discharge of industrial waste gas,
Atmosphere quality is deteriorated increasingly, not only natural, ecological is destroyed, also directly threaten human health and life security.Air
In pollutant, that be sequentially badly in need of improvement is SO2, pellet, NOx etc..
The enterprises such as enterprise and thermal power plant such as sintering, pelletizing and coking in iron and steel enterprise generate substantial amounts of flue gas, this
Contain substantial amounts of dust, SO to some extent in a little flue gases discharged according to respective production technology2, the harmful substance such as NOx.This
A little harmful substances such as can not be removed effectively and qualified discharge, it will form haze weather and acid rain, severe contamination atmospheric environment, from
And damage health of masses and life security, it is necessary to thoroughly administer, qualified discharge.
In view of the above-mentioned problems, at present traditional FGD methods up to hundreds of, mainly have circulating fluidized bed dry flue gas desulfurization
Technique, magnesium processes sulfur removal technology, semi-dry desulfurizing process, ammonia desulfurizing process etc., although these techniques and technology contribution to the history of are very
Greatly, but there is also obvious shortcoming, the utilization rate of such as desulfuration efficiency and desulfurizing agent is relatively low, and desulfuration byproduct is difficult comprehensive profit
With being also easy to produce new pollution, and complex process.
On denitration, the ripe denitration technology of current domestic contrast has SCR (SCR), SNCR (non-selection
Property catalysis reduction) two kinds of technology and techniques.
Active coke dry-method desulfuration technology, foreign countries start from 1960s and start to develop the technology, and in 70 years 20th century
In generation, carries out Industrial demonstration, and 1980s starts commercial Application.The current technology has been applied to handle various industrial waste gases, such as
Fire coal boiler fume, sintering device flue gas and flue gas of refuse burning, are related to multiple industries such as chemical industry, electric power, metallurgy.The technology
Basic skills to load activated coke in adsorption tower, flue gas under the suction-operated of activated coke and in finite concentration ammonia atmosphere and
(SCR) removes SO under the catalytic action of activated coke2And NOx.The activated coke of adsorption saturation passes through electronic discharging Starlike valve and transhipment
Feeding chain mat machine is transported to special regenerator and carries out sending into desulfurizing tower processing flue gas by chain mat machine again after desorption activity recovery.
There is obvious shortcoming in this method：Activated coke badly broken during physical recycling, waste is big, accounts for wastage in bulk or weight
50%~70%, supplement activated coke amount year greatly, the electric lighting bill is heavy for operating, move equipment operation maintenance costly.
Utility model content
For drawbacks described above, the utility model provide a kind of activated coke during physical recycling it is damaged less, operating cost
Low horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment.
To reach above-mentioned purpose, the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the utility model, including level
The tank body of setting, blow vent is provided with described tank body upper and lower ends；Adsorbent is provided with described tank body；Described sleeping
The bottom of formula tank is fixedly connected provided with two saddles, one of saddle with horizontal tank, and another saddle is slided with horizontal tank
Dynamic connection.
Preferably, being arranged in institute's tank body for horizontal type level, tank body height and length ratio are less than or equal to 1.
Preferably, setting air inlet Distribution Layer between described adsorbent and tank body lower end.
Preferably, bottom is provided with adsorbent supportive grid in described tank body, described adsorbent is arranged on absorption
On agent grid.
Preferably, the position setting of correspondence adsorbent is respectively arranged with bottom, middle part and top maintenance on described tank body
Hole.
Preferably, described air inlet Distribution Layer is arranged in the bottom of the horizontal tank body, described air inlet Distribution Layer is at least
Including：The distributive lattice screen being distributed by multigroup axially spaced-apart is constituted.
Preferably, described air inlet Distribution Layer also includes the air inlet distribution grid branch for being arranged on the bottom of the horizontal tank body of tank body
Support, described distributive lattice screen is arranged on air inlet distribution grid support frame.
Preferably, described air inlet Distribution Layer includes what is set from the bottom to top：Air inlet distribution grid support frame, air inlet distribution
Grid, redistributor support frame and redistributor.
The utility model provides a kind of activated coke and loaded in adsorbent bed and desorption bed, and absorbing unit and desorption are single in work
The method that member mutually switches, the SO in effectively removing flue gas2, NOx, bioxin, fluoride, on the premise of heavy metal, it is to avoid
The physics movement attrition and machine operation equipment of activated coke, greatly reduce operating cost and use and maintenance cost, significantly
The operating cost of enterprise is reduced, the unit cost of production can be greatly reduced.Simultaneously because without running device, burnt tank, screening plant
With independent regenerator, floor space can be reduced suitably.
Brief description of the drawings
Fig. 1 is the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment front view of embodiment 1；
Fig. 2 is Fig. 1 A-A profiles；
Fig. 3 is Fig. 1 B-B profiles.
Embodiment
The utility model is further described with reference to Figure of description.
The horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the utility model, including horizontal tank body, in described tank
Body upper and lower ends are provided with blow vent；Adsorbent is provided with described tank body.The horizontal single hop modularization flue gas of the utility model
Desulphurization denitration absorption/regenerating unit can be according to different fume treatment requirements by using the series connection of this modular unit and parallel connection
Afterwards, desulfurization and the regeneration of adsorbent are carried out, whole process active coke adsorbent is fixed in a device, it is not necessary to mobile, it is to avoid
A large amount of losses of activated coke, substantially reduce operating cost.
Operation principle of the present utility model is as follows：
SO2Adsorption process：Activated coke desulfurization is a kind of dry FGD process technology of recycling.The technology is described
The activated coke pair with unique absorption and catalytic performance is utilized in horizontal single hop modularization flue gas desulfurization and denitrification absorption/regenerating unit
SO in flue gas2Carry out selective absorption, the SO of ADSORPTION STATE2Oxygen and vapor are oxidized under conditions of existing in flue gas
H2SO4And be stored in activated coke hole, complete flue gas desulfurization.
2SO2+O2+2H2O=2H2SO4
Denitrification process：Flue gas after one section of horizontal adsorbent equipment enters two sections of horizontal adsorbent equipments, is spraying into dilution
Under the conditions of ammonia, SCR reduction reactions generation nitrogen and water occur under the catalytic action of activated coke for the NOx in flue gas, realize denitration.
4NO+4NH3+O2=4N2+6H2O
2NO2+4NH3+O2=3N2+6H2O
Desorption process：Activated coke absorption SO in the horizontal single hop modularization desulfurization absorption/regenerating unit2Afterwards, adding
In the case of heat, its H adsorbed2SO4SO is reduced to C (activated coke) reactions2, while activated coke is activated again so as to extensive
Its multiple absorption property, is recycled.
2H2SO4+ C=2SO2+CO2+2H2O
Whole sweetening process, in this activated coke one in using novel horizontal single hop modularization desulfurization absorption/regenerating unit
No longer moved after secondary filling, so as to avoid breakage.
The position of correspondence adsorbent is provided with manhole on tank body, maintenance and the dress of active coke adsorbent for device
Unload.
Further improved as the utility model, filter layer is provided between described adsorbent and tank body lower end.
The filter layer is arranged on above adsorbent, can filter a small amount of broken burnt particulate, it is ensured that discharge exhaust gas dust content is up to standard.Filtering
Layer can be made up of screen support grid and filter screen.
Further improved as the utility model, bottom is provided with adsorbent supportive grid, institute in described tank body
The adsorbent stated is arranged on adsorbent grid.Above-mentioned adsorbent is active coke adsorbent, and active coke adsorbent has low temperature
SO in lower absorption flue gas2Ability and under finite concentration ammonia atmosphere catalytic elimination NOx ability, while having power of regeneration.
Further improved as the utility model, set air inlet to distribute between described adsorbent and tank body lower end
Layer.Described air inlet Distribution Layer is arranged in the lower section of the horizontal tank body, and described air inlet Distribution Layer at least includes：By multigroup
The distributive lattice screen composition of axially spaced-apart distribution.Air inlet distribution grid is made up of multigroup flase floor being distributed at a certain distance, institute
State air inlet distribution grid to be arranged on the top of the low head and air inlet distribution grid support frame, to entering at low head
Turbulent flue gas carries out preliminary rectification and distribution.Air inlet distribution grid support frame is welded to connect with the tank body inner frame, it is described enter
Gas distribution grid is made up of multigroup module, is positioned on air inlet distribution grid support frame, it is not necessary to weld, easy for installation, soon
It is prompt.
Preferably, described air inlet Distribution Layer includes what is set from the bottom to top：Air inlet distribution grid support frame, air inlet distribution
Grid, redistributor support frame and redistributor.Above-mentioned redistributor is made up of multiple regularly arranged tubular structures, it is described again
Distributor is arranged on the top of the air inlet distribution grid and redistributor support frame, and two are carried out to entering absorber flue gas
Secondary rectification, it is ensured that flue gas is uniformly through the active focus layer of the tank interior.The redistributor support frame and the tank body in-seam
Frame is welded to connect, it is described enter redistributor be made up of multigroup module, be positioned on redistributor support frame, it is not necessary to weld,
It is easy for installation, fast.
For the ease of installing, further improved as the utility model, the undersetting and upper branch are provided with tank body
Seat, the undersetting is fixedly connected with external frame, and the upper bracket is connected by elastic device and external frame.
The course of work of the present utility model is as follows：
Step 1, make horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment be in adsorbed state
Flue gas is set to enter by lower blow vent in the tank body of horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment, due to
Active coke adsorbent is preset in tank body, so using the activated coke with unique absorption and catalytic performance in flue gas
SO2Carry out selective absorption, the SO of ADSORPTION STATE2Oxygen and vapor are oxidized to H under conditions of existing in flue gas2SO4And by
It is stored in activated coke hole；Activated coke adsorption layer is imitated equivalent to high-efficient granule layer filter in inertial collision and interception simultaneously
It should act on down, the different parts inside bed of a small amount of dust granules in the flue gas after dust separation are captured, complete flue gas and take off
Sulphur and dust separation.Flue gas after purification is discharged by upper vent.
Step 2, make horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment be in reproduced state
Enter upper vent of the regeneration gas above tank body after heating, adsorb SO2Activated coke afterwards, in heating regeneration gas
Under heating state, its H adsorbed2SO4SO is reduced to C (activated coke) reactions2, while activated coke be activated again so as to
Recover its absorption property, recycle.And the flue gas after desorbing is exported by the lower blow vent below tank body, available for relieving haperacidity
Deng.So, regenerative process is completed.
Step 3, make said process persistently be alternately accomplished carry out desulfurization to flue gas can be achieved.
The arrangement of horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the present utility model is more flexible, can be used for
Adsorb SO2, another vertical single hop modularization desulfurization adsorbent equipment of arranged in series is available for removing NOx.During production, two dresses
One absorbing unit of composition is put, while the absorption for harmful substance；Two devices can also constitute another desorption list simultaneously
Member, for the activated coke regeneration after adsorption saturation.Absorbing unit and desorption unit mutually switch, common to complete the de- of harmful substance
Except the regeneration cycle with activated coke.
The utility model is further described with reference to embodiment.
Embodiment 1
Embodiment of the present utility model shown in Fig. 1.As shown in figure 1, the horizontal single hop modularization flue gas desulfurization of the present embodiment is de-
Nitre absorption/regenerating unit includes gas approach/regeneration gas outlet stool 1, saddle 2, adsorber housing body 3, the end socket being sequentially connected
4th, bottom air inlet redistributor support frame 5, lower gas distributor 6, bottom adsorbent supportive grid 7, bottom manhole 9, in
Portion's manhole 10, top manhole 11, exhanst gas outlet/regeneration gas entrance branch 12.
Specifically part annexation is：Welded with the gas approach/regeneration gas outlet stool 1 lower section of the tank body 3
Connect in succession, the exhanst gas outlet/regeneration gas entrance branch 12 is welded to connect in the top of the tank body 3, the tank body 3 of stating is under
To being above sequentially installed with redistributor support frame 5, lower case orchestration 6, bottom adsorbent supportive grid 7, the tank body 3
Portion is provided with saddle 2, the housing of tank body 3 and is filled with active coke adsorbent.
The maintenance of the horizontal single hop modularization flue gas desulfurization and denitrification absorption/regenerating unit of the present embodiment and adsorbent for convenience
Filling, be additionally provided with bottom manhole 9, middle part manhole 10 and top manhole 11.
When in use, the flue gas is entered for the horizontal single hop modularization flue gas desulfurization and denitrification absorption/regenerating unit of the present embodiment
Mouth/regeneration gas outlet 1 and outside smoke inlet pipe road or regeneration gas outlet conduit is by flange or is welded to connect, by the flue gas
Outlet/regeneration gas import 12 and outside flue gas outlet pipe or regeneration gas inlet pipeline is by flange or is welded to connect.
Associated components material therefor is used in the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the utility model
316L or other high temperature resistants and resistant material, miscellaneous part main material can use austenitic stainless steel or carbon steel material.
The horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the present embodiment has the advantages that：
1st, the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the utility model can be according to flue gas in industrial production
The content of middle harmful substance and the concrete condition of exhaust gas volumn carry out modular connection in series-parallel combination, it is possible to achieve the mould of adsorbent equipment
Block, has the advantages that specific aim is good, flexible.
2nd, the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment of the utility model is in desulfurization and the mistake of adsorbent reactivation
Active coke adsorbent one-time pad in a device in journey, is recycled, and is moved in the absence of the physics of activated coke, it is to avoid activated coke
A large amount of losses, compared with traditional activated burnt desulfurization, operating cost is substantially reduced.
3rd, the horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment production application process of the utility model is：Absorption
In device, contain SO2Qualified discharge after absorption is completed with the flue gas of the harmful substance such as NOx.Simultaneously in desorption apparatus, by adding
Desorption is completed after the active coke adsorbent that the regeneration gas of heat passes through adsorption saturation, the regeneration gas after parsing goes to relieving haperacidity workshop section, completed
Recycling, is produced without secondary waste.
More than, preferred embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model is disclosed
Change, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claim
The protection domain defined is defined.
Claims (8)
1. a kind of horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment, it is characterised in that：
Including horizontally disposed tank body, blow vent is provided with described tank body upper and lower ends；Suction is provided with described tank body
Attached dose；In the bottom of the horizontal tank provided with two saddles, one of saddle is fixedly connected with horizontal tank, another saddle
Seat is slidably connected with horizontal tank.
2. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 1, it is characterised in that in institute's tank body
Arranged for horizontal type level, tank body height and length ratio are less than or equal to 1.
3. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 1, it is characterised in that：Described
Air inlet Distribution Layer is set between adsorbent and tank body lower end.
4. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 1, it is characterised in that：Described
Bottom is provided with adsorbent supportive grid in tank body, and described adsorbent is arranged on adsorbent grid.
5. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 1, it is characterised in that：Described tank
The position of correspondence adsorbent, which is set, on body is respectively arranged with bottom, middle part and top manhole.
6. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 3, it is characterised in that：Described enters
Gas Distribution Layer is arranged in the bottom of the horizontal tank body, and described air inlet Distribution Layer at least includes：It is distributed by multigroup axially spaced-apart
Distributive lattice screen composition.
7. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 6, it is characterised in that：Described enters
Gas Distribution Layer also includes the air inlet distribution grid support frame for being arranged on the bottom of the horizontal tank body of tank body, and described distributive lattice screen is set
Put on air inlet distribution grid support frame.
8. horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment as claimed in claim 3, it is characterised in that：Described enters
Gas Distribution Layer includes what is set from the bottom to top：Air inlet distribution grid support frame, air inlet distribution grid, redistributor support frame and again
Distributor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078553.XU CN206508755U (en) | 2016-09-23 | 2016-09-23 | Horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078553.XU CN206508755U (en) | 2016-09-23 | 2016-09-23 | Horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment |
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| Publication Number | Publication Date |
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| CN206508755U true CN206508755U (en) | 2017-09-22 |
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ID=59861503
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| CN201621078553.XU Active CN206508755U (en) | 2016-09-23 | 2016-09-23 | Horizontal single hop modularization flue gas desulfurization and denitrification adsorbent equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237788A (en) * | 2016-09-23 | 2016-12-21 | 中冶华天南京工程技术有限公司 | Horizontal single hop modularity flue gas desulfurization and denitrification adsorbent equipment |
-
2016
- 2016-09-23 CN CN201621078553.XU patent/CN206508755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237788A (en) * | 2016-09-23 | 2016-12-21 | 中冶华天南京工程技术有限公司 | Horizontal single hop modularity flue gas desulfurization and denitrification adsorbent equipment |
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