CN106215694A - Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system - Google Patents

Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system Download PDF

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Publication number
CN106215694A
CN106215694A CN201610847201.4A CN201610847201A CN106215694A CN 106215694 A CN106215694 A CN 106215694A CN 201610847201 A CN201610847201 A CN 201610847201A CN 106215694 A CN106215694 A CN 106215694A
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vertical cylindrical
flue gas
tank body
desorption
tank
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徐庆余
王思佳
徐伟
胡海燕
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Huatian Engineering and Technology Corp MCC
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Huatian Engineering and Technology Corp MCC
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Priority to CN201610847201.4A priority Critical patent/CN106215694A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The open a kind of vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system of the present invention.Described system includes: the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank, described vertical cylindrical adsorption/desorption tank is equipped with upper vent and lower blow vent, wherein, lower blow vent flue gas after inputting flue gas in tank body or outwards discharging desorbing in tank body;Upper vent is flue gas after inputting regenerated flue gas in tank body or outwards discharging absorption in tank body;Handover module, is arranged on the first described vertical cylindrical adsorption/desorption tank and the upper vent of the second vertical cylindrical adsorption/desorption tank and lower blow vent;Control module, is used for controlling handover module, so that the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank are alternately in adsorbed state and desorption state.

Description

Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system
Technical field
The present invention relates to a kind of vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system.Particularly relate to environmental conservation Field.
Background technology
Air is to participate in water and the important environmental factors of various element circular, is the most basic environment depended on for existence of the mankind Key element.Along with socioeconomic development and the acceleration of process of industrialization, the burning of a large amount of fuel and the discharge of industrial waste gas, make big Gas deterioration of environment quality, not only natural, ecological is destroyed, and the most directly threatens human health and life security.Atmospheric pollution In thing, that be badly in need of improvement sequentially is SO2, pellet, NOx etc..
The enterprises such as sintering, pelletizing and coking in iron and steel enterprise and the enterprise such as thermal power plant, solid waste process disposal Create substantial amounts of flue gas, in art production process in these flue gases discharged according to respective production technology to some extent Containing substantial amounts of dust, SO2, the harmful substance such as NOx.These harmful substances are as can not be effectively removed and qualified discharge, it will shape Become haze weather and acid rain, major polluting atmosphere environment thus damage health of masses and life security, it is necessary to thoroughly administer, reach Mark discharge.
For the problems referred to above, the most traditional FGD method 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 significantly shortcoming, the utilization rate such as desulfuration efficiency and desulfurizing agent is relatively low, and desulfuration byproduct is difficult to comprehensive utilization With, it is easily generated new pollution, and complex process.
About denitration, the denitration technology of current domestic contrast maturation has SCR (SCR), SNCR (non-selection Property catalysis reduction) two kinds of technology and techniques.
Active coke dry-method desulfuration denitration technology, abroad starts from and starts to develop this technology the sixties in 20th century, and in 20th century Carry out Industrial demonstration the seventies, start commercial Application the eighties in 20th century.This technology is applied to process various Industry Waste at present Gas, such as fire coal boiler fume, sintering device flue gas and flue gas of refuse burning, relates to multiple industries such as chemical industry, electric power, metallurgy.This skill The basic skills of art is filling activated coke in adsorption tower, and flue gas is under the adsorption of activated coke and in finite concentration ammonia atmosphere And (SCR) removing SO under the catalytic action of activated coke2And NOx.Adsorb saturated activated coke by electronic discharging Starlike valve and Transhipment feeding chain mat machine is transported to send into desulphurization denitration tower by chain mat machine again after special regenerator carries out desorbing activity recovery Process flue gas.There is obvious shortcoming in the method: activated coke is badly broken during physical recycling, and waste is big, about Accounting for the 50%~70% of wastage in bulk or weight, supplement activated coke amount year greatly, the electric lighting bill is heavy in operating, and dynamic equipment operation maintenance is costly.According to money Material, the method unit cost of production is about 9 yuan~14 yuan.Following table is that the activated coke of certain Engineering Projects fills and consume catalog:
Certain Engineering Projects activated coke demand, consumption catalog
Summary of the invention
For drawbacks described above, the present invention provide a kind of activated coke during physical recycling damaged less, operating cost low Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system.
For reaching above-mentioned purpose, the vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system of the present invention, at least wraps Include:
First vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank, described vertical cylindrical absorption/ Solve cucurbitula and be equipped with upper vent and lower blow vent, wherein, lower blow vent for input in tank body flue gas or in tank body to Flue gas after outer discharge desorbing;Upper vent is cigarette after inputting regenerated flue gas in tank body or outwards discharging absorption in tank body Gas;
Handover module, is arranged on the first described vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank Upper vent and lower blow vent;
Control module, is used for controlling handover module, so that the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical are inhaled Attached/solution cucurbitula is alternately in adsorbed state and desorption state.
It is also preferred that the left be provided with between described handover module and upper vent and/or handover module and lower blow vent every Disconnected module.
It is also preferred that the left also include blowdown stack, after described absorption, flue gas is connected with blowdown stack by pipeline.
It is also preferred that the left described handover module includes: connect the smoke inlet pipe of blow vent under vertical cylindrical adsorption/desorption tank Smoking gas outlet pipe is conciliate on road;And,
Flue gas outlet pipe after the regeneration gas air inlet pipeline of connection vertical cylindrical adsorption/desorption tank upper vent and absorption; Described air inlet pipeline and outlet pipe are provided with and connect the controlled valve controlling device.
It is also preferred that the left be also associated with pressurising/pressure relief pipe on described upper and lower vent line, on pressurising/pressure relief pipe It is provided with equalizer valve/relief valve.
It is also preferred that the left also include a regeneration gas heating module, for the regenerated flue gas entered in tank body is heated.
It is also preferred that the left described vertical cylindrical adsorption/desorption tank includes epimere tank body and hypomere tank body composition, the epimere of cylindricality Flange joint is passed through between tank body and hypomere tank body;Wherein, epimere tank body upper end is provided with upper vent, and hypomere tank body lower end sets It is equipped with lower blow vent;It is provided with diluted ammonia distribution duct between described epimere tank body and hypomere tank body;
Wherein, at least provided with gas inlet dispensing device and adsorbent equipment in every section of described tank body.
It is also preferred that the left described adsorbent equipment includes: in every section of tank body, bottom is provided with adsorbent supportive grid, described Adsorbent is arranged on adsorbent grid;
It is provided with filter course between adsorbent and upper end blow vent in described epimere tank body;
Described tank body includes upper cover, tubular tank body and low head composition;Corresponding adsorbent on described tank body Position is provided with manhole..
It is also preferred that the left described gas inlet dispensing device at least includes: air inlet distribution grid, described air inlet distribution grid is by many The distributive lattice screen composition of group axially spaced-apart distribution.
It is also preferred that the left what described gas inlet dispensing device included arranging from the bottom to top: air inlet distribution grid bracing frame, air inlet divide Join grid, redistributor bracing frame and redistributor.
It is also preferred that the left also include ammonia dilution mixture module, described ammonia dilution mixture module is mixed by dilution air, ammonia/air Clutch and pipeline composition;Ammonia/air mixer outlet conduit described in described ammonia dilution mixture module and described vertical cylindrical are inhaled Described in attached/solution cucurbitula, diluted ammonia distribution duct is connected, and provides ammonia source for described vertical cylindrical adsorption/desorption device epimere.
In vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system of the present invention, the hypomere of adsorber is used for adsorbing SO2, the epimere of absorption is used for removing NOx.During production, wherein one or more adsorbers are for inhale harmful substances from flue gases Attached, activated coke is regenerated by another or multiple desorption device simultaneously.Absorbing unit and desorption unit are by program control switched system Switch over and be used alternatingly, jointly complete the removing of harmful substance and the regeneration cycle of activated coke.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structured flowchart of Fig. 1.
Fig. 3 is the structural representation of vertical cylindrical adsorption/desorption tank in embodiment illustrated in fig. 1.
Fig. 4 is that the A-A of embodiment illustrated in fig. 3 is to cross-sectional schematic.
Fig. 5 is that the B-B of embodiment illustrated in fig. 3 is to cross-sectional schematic.
Fig. 6 is that the C-C of embodiment illustrated in fig. 3 is to cross-sectional schematic.
Detailed description of the invention
Embodiment 1
The structure of the vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system embodiment that Fig. 1 show the present invention is shown It is intended to.As depicted in figs. 1 and 2, system described in the present embodiment includes import flue gas/regeneration autogenous cutting successively according to flow of flue gas direction Die change block 91, vertical cylindrical adsorption/desorption device, exiting flue gas/regeneration gas handover module 95, regeneration gas heating module 96, ammonia Dilution mixture module 97, blowdown stack 98.
Wherein, above-mentioned vertical cylindrical adsorption/desorption device, first vertical including three be positioned on the left of Fig. 1 in part A Cylindricality adsorption/desorption tank 93 and three the second vertical cylindrical adsorption/desorption tanks being positioned on the right side of Fig. 1 in part B, described is vertical Cylindricality adsorption/desorption tank is equipped with upper vent and lower blow vent, wherein, lower blow vent for input in tank body flue gas or from Flue gas after desorbing is outwards discharged in tank body;Upper vent is for inputting regenerated flue gas or by chimney 98 in tank body in tank body Outwards flue gas after discharge absorption;
Handover module 91 and handover module 95, be arranged on the first described vertical cylindrical adsorption/desorption tank and second vertical The upper vent of cylindricality adsorption/desorption tank and lower blow vent;
Control module, is used for controlling handover module, so that the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical are inhaled Attached/solution cucurbitula is alternately in adsorbed state and desorption state.It can use computer controlled automatic (PLC or DCS control).
Above-mentioned vertical cylindrical adsorption/desorption device 93 is vertically mounted on flue, described vertical cylindrical adsorption/desorption The import/export pipeline of device 93 is provided with gas approach/regeneration gas outlet module 92;The import of regeneration gas heating module 96 Hold and be connected with outside nitrogen or flue, the port of export of described regeneration gas heating module 96 and the regeneration gas in handover module 95 Inlet duct is connected.Described exhanst gas outlet pipeline in described exiting flue gas/regeneration gas handover module 95 is with blowdown stack 98 even Connect.Described regeneration gas heating module 96 is made up of regeneration gas inlet valve, regenerative heater and regeneration gas outlet valve successively, described again The thermal source of raw heater is that heat is burned in electricity, steam or combustion gas, and the heat transfer medium of regenerative heater is nitrogen or flue gas.
Ammonia in ammonia dilution mixture module 97 from outside ammonia station, the diluted ammonia in described ammonia dilution mixture module 97 with Described dilute ammonia pipeline connects.Described regeneration gas outlet conduit in described import flue gas/regeneration gas handover module 91 is with outside Sulphuric acid plant connects, and produces qualified sulphuric acid.
Wherein, the above-mentioned epimere tank body that vertical cylindrical adsorption/desorption tank 93 is cylindricality and hypomere cylindricality tank body composition, on Flange joint is passed through between section tank body and hypomere tank body;Wherein, epimere tank body upper end is provided with upper vent, hypomere tank body lower end It is provided with lower blow vent;It is provided with diluted ammonia distribution duct between described epimere tank body and hypomere tank body;Wherein, described The most at least include in every section of tank body: gas inlet dispensing device and adsorbent equipment;Wherein said gas inlet dispensing device and suction Attaching is set to air inlet distribution grid, for the flue gas entered in tank body is carried out preliminary rectification and distribution;Described adsorbent equipment Including: in every section of tank body, bottom is provided with adsorbent supportive grid, and described adsorbent is arranged on adsorbent grid.Its In, adsorbent is active coke adsorbent.
The operation principle of the vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system of the above-mentioned present invention is: pass through Control module controls handover module, so that the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank are handed over For being in adsorbed state and desorption state.Its work process is as follows:
Step 1, part A the first vertical cylindrical adsorption/desorption tank (A) is made to be in adsorbed state
Owing to, under initial situation, the second vertical cylindrical adsorption/desorption tank is without desorbing.Therefore, first the most only need to be made to stand Formula cylindricality adsorption/desorption tank is in adsorbed state: i.e., opens the absorption flue gas of the first vertical cylindrical adsorption/desorption tank (A) lower section The valve of flue gas outlet pipe after the absorption of the valve of air inlet pipeline and the first vertical cylindrical adsorption/desorption tank (A) top;Then Flue gas is made to enter in the first vertical cylindrical adsorption/desorption tank (A) tank body, owing to presetting active coke adsorbent in tank body, this Sample utilizes the activated coke with unique absorption and catalytic performance to the SO in flue gas2Carry out selective absorption, the SO of ADSORPTION STATE2? In flue gas, oxygen and steam are oxidized to H under conditions of existing2SO4And be stored in activated coke hole;Activated coke is inhaled simultaneously Attached layer is equivalent to high-efficient granule layer filter, under inertial collision and interception effect effect, and lacking in the flue gas after udst separation Amount dust granules is captured at the internal different parts of bed, completes flue gas desulfurization and udst separation.Flue gas after purification passes through cigarette Chimney discharges.
Step 2, make the second vertical cylindrical adsorption/desorption tank (B) be in adsorbed state, make the first vertical cylindrical inhale simultaneously Attached/solution cucurbitula (A) is in desorption state;
The second vertical cylindrical adsorption/desorption tank (B) is made to be in adsorbed state: i.e., to open the second vertical cylindrical adsorption/desorption After absorption above the valve on the absorption smoke inlet pipe road of tank (B) lower section and the second vertical cylindrical adsorption/desorption tank, flue gas goes out The valve of air pipe;Then flue gas is made to enter in the second vertical cylindrical adsorption/desorption tank (B) tank body, preset due in tank body Active coke adsorbent, so utilizes the activated coke with unique absorption and catalytic performance to the SO in flue gas2Carry out selectivity Absorption, the SO of ADSORPTION STATE2In flue gas, oxygen and steam are oxidized to H under conditions of existing2SO4And it is stored in activated coke In hole;Activated coke adsorption layer is equivalent to high-efficient granule layer filter simultaneously, under inertial collision and interception effect effect, and dedusting A small amount of dust granules in flue gas after purification is captured at the internal different parts of bed, completes flue gas desulfurization and udst separation, Flue gas after purification passes through smoke stack emission.
The first vertical cylindrical adsorption/desorption tank (A) is made to be in desorption state: i.e. to close the first vertical cylindrical adsorption/desorption Flue gas after the valve on the absorption smoke inlet pipe road of tank (A) lower section and the absorption of the first vertical cylindrical adsorption/desorption tank (A) top The valve of outlet pipe;Open simultaneously desorbing flue gas outlet pipe below the first vertical cylindrical adsorption/desorption tank valve and The valve of the regenerated flue gas air inlet pipeline of the first vertical cylindrical adsorption/desorption tank (A) top;At this moment, the regeneration gas of high temperature is from A portion Divide blow vent above tank body to enter, adsorb SO2After activated coke, under heating regeneration gas heating state, its H adsorbed2SO4 React with C (activated coke) and be reduced to SO2, activated coke is activated again thus recovers its absorption property simultaneously, recycles.And Flue gas after desorbing is exported by the desorbing flue gas outlet pipe of the first vertical cylindrical adsorption/desorption tank (A) lower section, can be used for making Acid.So, desorption process completes.
Step 3, make said process persistently be alternately accomplished can to realize flue gas is carried out desulfurization.
If when the flue gas after adsorber enters the epimere of adsorber, spraying into diluted ammonia, the NOx in flue gas is living Property burnt catalytic action under occur SCR reduction reaction to generate nitrogen and water, it is also possible to realize denitrification process simultaneously.
Two vertical cylindrical adsorption/desorption tank in above-described embodiment, including the gas approach being sequentially connected with/regeneration gas outlet 1, Low head 2, one section, bottom air inlet distribution grid bracing frame 3, one section, bottom air inlet distribution grid 4, one section, bottom redistributor prop up Support 5, one section, bottom redistributor 6, one section, bottom adsorbent supportive grid 7, bottom two-stage nitration adsorbent supportive grid 9, dilution Ammonia distribution duct 23, one section of top air inlet distribution grid bracing frame 11, one section of top air inlet distribution grid 12, one section of top are divided again Orchestration bracing frame 13, one section of top redistributor 14, one section of top adsorbent supportive grid 15, top two-stage nitration adsorbent support lattice Grid 16, screen support grid 17, filter screen 18, upper cover 19, exhanst gas outlet/regeneration gas import 20, manhole 21, bearing 22, tank Body 10.
Concrete parts annexation is: the hypomere of described tank body 10 and epimere are welded with the air inlet distribution of one section, bottom successively Grill support frame 3, one section, bottom redistributor bracing frame 5, one section, bottom adsorbent supportive grid 7, bottom two-stage nitration adsorbent prop up Support grid 9, one section of top air inlet distribution grid bracing frame 11, one section of top redistributor bracing frame 13, one section of top adsorbent Supportive grid 15, top two-stage nitration adsorbent supportive grid 16;One section, described bottom air inlet distribution grid bracing frame 3 and described on It is respectively equipped with one section, bottom air inlet distribution grid 4 on one section of portion air inlet distribution grid bracing frame 11 and the air inlet of one section of described top divides Join grid 12;One section, described bottom redistributor bracing frame 5 and one section of described top redistributor bracing frame 13 set respectively There are one section, bottom redistributor 6 and one section of top redistributor 14;One section, described bottom adsorbent supportive grid 7, described under Portion's two-stage nitration adsorbent supportive grid 9, one section of described top adsorbent supportive grid 15 and described top two-stage nitration adsorbent support lattice Described active coke adsorbent 8 it is filled with respectively on grid 16;On the top of described tank body 10, screen support grid 17 is installed, in institute State and on screen support grid 17, be equipped with filter screen 18;It is respectively welded described low head 2 in the bottom of described tank body 10 and top With described upper cover 19, described gas approach/regeneration gas outlet 1 and exhanst gas outlet/regeneration gas import 20 are respectively welded and are connected to The lower end of tank body 10 and upper end;It is equiped with diluted ammonia distribution duct 23 between hypomere and the epimere of described tank body 10;Described tank The outside of body 10 is respectively equipped with bearing 22, for the connection with external frame.
The present embodiment vertical two-stage nitration pillaring desulfurization absorption (regeneration) device has the advantages that
1, the present invention vertical two-stage nitration pillaring desulfurization absorption (regeneration) device can have according in flue gas in commercial production The content of pest matter and the concrete condition of exhaust gas volumn carry out parallel combination, it is possible to achieve the modularity of adsorbent equipment, have for Property good, flexible etc. advantage.
2, the present invention vertical two-stage nitration pillaring desulfurization absorption (regeneration) device is during desulfurization and adsorbent reactivation Active coke adsorbent one-time pad in a device, recycles, and the physics that there is not activated coke moves, it is to avoid activated coke big Amount loss, compared with traditional activated burnt desulfurization, operating cost is substantially reduced.
3, the present invention vertical two-stage nitration pillaring desulfurization absorption (regeneration) device production application process is: adsorbent equipment In, containing SO2Qualified discharge after absorption is completed with the flue gas of the harmful substance such as NOx.Simultaneously in desorption apparatus, through heating Regeneration gas is by completing desorption after adsorbing saturated active coke adsorbent, and the regeneration gas after parsing goes to antacid workshop section, completes resource Change and utilize, produce without secondary refuse.
Above, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with basis Those skilled in the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain Within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim is defined.

Claims (10)

1. a vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system, it is characterised in that at least include:
First vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank, described vertical cylindrical adsorption/desorption Tank is equipped with upper vent and lower blow vent, and wherein, lower blow vent is for inputting flue gas or outwards arranging in tank body in tank body Put flue gas after desorbing;Upper vent is flue gas after inputting regenerated flue gas in tank body or outwards discharging absorption in tank body;
Handover module, is arranged on the upper of the first described vertical cylindrical adsorption/desorption tank and the second vertical cylindrical adsorption/desorption tank Blow vent and lower blow vent;
Control module, is used for controlling handover module so that the first vertical cylindrical adsorption/desorption tank and the second vertical cylindrical absorption/ Solve cucurbitula and be alternately in adsorbed state and desorption state.
2. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 1, it is characterised in that in institute It is provided with partition module between the handover module stated and upper vent and/or handover module and lower blow vent.
3. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 1, it is characterised in that also wrap Including blowdown stack, after described absorption, flue gas is connected with blowdown stack by pipeline.
4. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 1, it is characterised in that described Handover module include: connect the smoke inlet pipe road of blow vent under vertical cylindrical adsorption/desorption tank and conciliate smoking gas escape pipe Road;And,
Flue gas outlet pipe after the regeneration gas air inlet pipeline of connection vertical cylindrical adsorption/desorption tank upper vent and absorption;Institute It is provided with on the air inlet pipeline stated and outlet pipe and connects the controlled valve controlling device.
5. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 4, it is characterised in that in institute It is also associated with pressurising/pressure relief pipe on the upper and lower vent line stated, pressurising/pressure relief pipe is provided with equalizer valve/relief valve.
6. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 1, it is characterised in that also wrap Include a regeneration gas heating module, for the regenerated flue gas entered in tank body is heated.
7. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 1, it is characterised in that described Vertical cylindrical adsorption/desorption tank include the epimere tank body of cylindricality and hypomere tank body composition, between epimere tank body and hypomere tank body Pass through Flange joint;Wherein, epimere tank body upper end is provided with upper vent, and hypomere tank body lower end is provided with lower blow vent;Institute It is provided with diluted ammonia distribution duct between epimere tank body and the hypomere tank body stated;
Wherein, at least provided with gas inlet dispensing device and adsorbent equipment in every section of described tank body.
8. want the vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as described in 7 such as right, it is characterised in that described Adsorbent equipment includes: in every section of tank body, bottom is provided with adsorbent supportive grid, and described adsorbent is arranged on adsorbent lattice On grid;
It is provided with filter course between adsorbent and upper end blow vent in described epimere tank body;
Described tank body includes upper cover, tubular tank body and low head composition;The position of corresponding adsorbent on described tank body It is provided with manhole.
9. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 7, it is characterised in that described Gas inlet dispensing device at least include: air inlet distribution grid, described air inlet distribution grid by organize more axially spaced-apart distribution point Join flase floor composition.
10. vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system as claimed in claim 7, it is characterised in that institute The gas inlet dispensing device stated includes arranging from the bottom to top: air inlet distribution grid bracing frame, air inlet distribution grid, redistributor prop up Support and redistributor.
CN201610847201.4A 2016-09-23 2016-09-23 Vertical cylindrical flue gas desulfurization and denitrification absorption regeneration integral system Pending CN106215694A (en)

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WO2020097952A1 (en) * 2018-11-16 2020-05-22 海明(江苏)环境科技有限公司 Regenerative marine purification device

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Application publication date: 20161214