CN204337984U - A kind of absorbing separator - Google Patents

Abstract

A kind of absorbing separator, belongs to mist separation technology field; Form tower box structure with longitudinal arrangement respiratory box, comprise interconnective mist input system, absorption and separation system, demister system and output system.The beneficial effects of the utility model are: (1) takes tower box structure, combined and instant, are convenient to manufacture, install, and system investments is few, less energy consumption; (2) in respiratory box at different levels, gaseous mixture and absorbing liquid are all that cross-flow contacts, but form the general layout of overall counter current contacting, have ensured final absorption and separation effect; (3) for separating flue, implementation result, carbon dioxide separation rate >=95%, gas concentration lwevel >=95%.

Description

A kind of absorbing separator

Technical field

The utility model belongs to mist separation technology field.The utility model relates to a kind of absorbing separator, more particularly, that a kind of longitudinal arrangement respiratory box forms tower box structure, construct a resolution gas body space separated with mixed gas passage, in respiratory box, mist is absorbed with absorbent, utilize the difference of gas with various absorbent properties in absorbent or perhaps utilize gas the difference of the time of staying in absorbent, synchronous absorption and resolution gas body, reach the object of separating mixed gas.

Background technology

The isolation technics of current mist mainly contains PSA Technology, absorption and regeneration isolation technics.

Be separated about transformation, Patents CN1850751 discloses the pressure-variation adsorption separation recovering method of vinyl-chloride-containing and acetylene gas mixture, and each adsorption tower is respectively through comprising absorption that order carries out, inverse put, finding time and the pressure swing adsorption cycles process of final boosting step.At least two psa unit process that gaseous mixture carries out through order, the discharge gas after last cell processing enters next adjacent psa unit successively, obtains vinyl chloride and acetylene gas product respectively.Respectively containing at least two adsorption towers in each psa unit, the adsorbent in the first psa unit is at least containing aluminium oxide, and the adsorbent in last psa unit at least contains the one in the silica gel or molecular sieve that average pore size is 1 ~ 3nm.The method is applicable to process the wider mist of C2H3Cl and C2H2 content range, concentrated 2 ~ 200 times of C2H3Cl and C2H2 can be made, and C2H3Cl and C2H2 is utilized by mist separation and recovery respectively, C2H3Cl and C2H2 in emission abatement gas all reaches the requirement of environmental protection.

CN102935324A discloses a kind of pressure swing absorption process improving Adsorption Phase product recovery rate, wherein pressure swing adsorption system comprises pressure-variable adsorption 1 section and pressure-variable adsorption 2 sections and pressure-variable adsorption 3 sections, the adsorption tower that every section of pressure-variable adsorption is filled with adsorbent by least two is respectively formed, each adsorption tower of pressure-variable adsorption 1 section and pressure-variable adsorption 2 sections circulates at least successively and experiences absorption, displacement, find time, boosting step, and the displacement waste gas of pressure-variable adsorption 1 section and pressure-variable adsorption 2 sections enters pressure-variable adsorption 2 sections as unstripped gas, each adsorption tower of pressure-variable adsorption 3 sections circulates at least successively and experiences absorption, inverse put or find time, boosting step, the absorption waste gas of pressure-variable adsorption 1 section and pressure-variable adsorption 2 sections enters pressure-variable adsorption 3 sections as the unstripped gas of pressure-variable adsorption 3 sections, the inverse put gas of pressure-variable adsorption 3 sections, exhaust returns the unstripped gas of pressure-variable adsorption 1 section as pressure-variable adsorption 1 section.

Pressure-variable adsorption belongs to gap operating, and it is difficult to control, and efficiency is low.

About absorption and regeneration isolation technics, Patents CN103205770A discloses a kind of carbonated waste gas absorption and concentrated device.This device reclaims carbonic acid device composition primarily of CO 2 waste gas absorption plant and EDI, wherein EDI reclaims carbonic acid device primarily of anode chamber, dense room, cathode chamber composition, each room is separated by amberplex, first carbon dioxide in waste gas reacts with the alkaline absorption solution of electronic generation and is converted into carbonate in CO 2 waste gas absorption plant, finally reclaim in carbonic acid device at EDI and realize the regeneration of absorbent and the results of pure carbonic acid, the pure carbon acid solution of results can directly use or for extracting pure carbon dioxide.This device has the electronic regeneration of absorbing liquid, recycles, realize carbon dioxide capture extraction, absorbent regeneration, the carbon dioxide draw Trinity, the advantages such as easy operation, saving cost, the carbon dioxide of generation can be used as the organic-fuel etc. such as raw material, making methyl alcohol producing chemical fertilizer etc.

This regenerating unit forms complicated, and regeneration consumes electric energy, does not still solve the high problem of energy consumption.

Summary of the invention

Separating energy consumption for existing mist is large, the shortcoming that investment is large, operating cost is high, the utility model proposes a kind of absorbing separator, this apparatus design is reasonable, realize synchronous absorption and resolution gas body, reach the object of separating mixed gas, thus reduce separating energy consumption, reduce investment outlay, reduce the object of operating cost.

A kind of absorbing separator, that a kind of longitudinal arrangement respiratory box forms tower box structure, construct a resolution gas body space separated with mixed gas passage, in respiratory box, mist is absorbed with absorbent, utilize the difference of gas with various absorbent properties in absorbent or perhaps utilize gas the difference of the time of staying in absorbent, synchronous absorption and resolution gas body, reach the object of separating mixed gas; Comprise interconnective mist input system, absorption and separation system, demister system and output system.

Described mist input system is made up of input channel, air blast;

Described mist absorption and separation system is made up of longitudinal combination respiratory box and described respiratory box mist interface channel;

Described tail gas demister system is made up of demister;

Described tail gas output system is made up of output channel.

Further:

Described mist absorption and separation system is made up of longitudinal combination respiratory box, described respiratory box constructs a resolution gas body space separated with exhaust gases passes, top is exhaust gases passes, bottom is provided with dividing plate, liquid-droping groove, liquid phase region, and dividing plate, downspout, liquid phase region and respiratory box cylindrical shell wall form air pocket jointly; Described combination respiratory box, structure and other combination box of the 1st grade of respiratory box are slightly different, the bottom liquid phase region of the 1st respiratory box is provided with liquid-phase outlet, and be provided with liquid distributing board bottom other combination respiratory boxs, each respiratory box docks up and down mutually, the base plate of top box becomes the mixed gas passage upper sealing plate of nowel, and the liquid of top box directly falls into nowel by liquid distributing board; The mixed gas passage of respiratory box at different levels is connected by gas connection conduit, and the air pocket of respiratory box at different levels is provided with air pocket connector by connecting pipe UNICOM; The top of last 1 grade of respiratory box does not have upper sealing plate, is provided with absorbing liquid spray thrower, is separated tail gas and directly enters demister system.

A kind of absorbing separator of application the utility model, comprises the following steps:

(1) gaseous mixture input

Gaseous mixture, by inputting the input of gaseous mixture pipeline, sends into absorption and separation system through blower;

(2) absorption and separation of gaseous mixture

Gaseous mixture through supercharging directly enters tower case the 1st grade of respiratory box, the absorbing liquid cross-flow fallen with the 2nd grade of respiratory box liquid distributing board contacts, gaseous mixture enters the 2nd grade of respiratory box through gaseous mixture interface channel, gaseous mixture moves upward step by step, and absorbing liquid moves downward step by step, form the general layout of overall counter current contacting, through multistage absorption, absorbent in gaseous mixture is absorbed, and tail gas enters demister system; In respiratory box at different levels, the air pocket that dividing plate, downspout, liquid phase region and respiratory box cylindrical shell wall are formed jointly is collected parsing gas and is sent receipts back to; Absorbing liquid is sent to circulate at the absorbing liquid of the bottom liquid phase region of the 1st grade of respiratory box;

(3) tail gas demist purification

Tail gas after absorption and separation directly enters demister, and through demist layer in demister, tail gas send the discharge of tail gas;

(4) discharge of tail gas

After tail gas demist, tail gas is discharged by output channel.

The utility model be embodied in following some:

(1) this system is reasonable, takes respiratory box longitudinal combination to form tower box structure, combined and instant, and equipment is convenient to manufacture, transport and installing, and reaches the object of separating mixed gas, system investments is few, stable and reliable operation, resources and energy consumption be few.

(2) in respiratory box at different levels, gaseous mixture and absorbing liquid are all that cross-flow contacts, but form the general layout of overall counter current contacting, have ensured final absorption and separation effect.

(3) for separating carbon dioxide from smoke, implementation result, carbon dioxide separation rate >=95%, gas concentration lwevel >=95%.

Accompanying drawing explanation

Accompanying drawing 1 is the schematic diagram of a kind of absorbing separator of the utility model

In Fig. 1,1-inputs gaseous mixture pipeline, 2-air blast, 3-respiratory box, 4-demister, 5-absorbing liquid circulating pump, 6-dividing plate, 7-downspout, 8-flue gas interface channel, 9-air pocket connector, 10-liquid phase region, 11-liquid distributing board, 12-absorbing liquid spray thrower, 13-separation gas output channel, 14-tail gas output channel; A-gaseous mixture, B-tail gas, C-separation gas.

Detailed description of the invention

Embodiment 1

For separating carbon dioxide from smoke:

As shown in Figure 1, a kind of absorbing separator, that a kind of longitudinal arrangement respiratory box forms tower box structure, construct a resolution gas body space separated with mixed gas passage, in respiratory box, mist is absorbed with absorbent, utilize the difference of gas with various absorbent properties in absorbent or perhaps utilize gas the difference of the time of staying in absorbent, synchronous absorption and resolution gas body, reach the object of separating mixed gas; Comprise interconnective mist input system, absorption and separation system, demister system and output system.

Described mist input system is made up of input channel 1, air blast 2;

Described mist absorption and separation system is made up of longitudinal combination respiratory box 3 and described respiratory box mist interface channel 8;

Described tail gas demister system is made up of demister 4;

Described tail gas output system is made up of tail gas output channel 14.

Further:

Described mist absorption and separation system is made up of longitudinal combination respiratory box 3, described respiratory box constructs a resolution gas body space separated with exhaust gases passes, top is exhaust gases passes, bottom is provided with dividing plate 6, liquid-droping groove 7, liquid phase region 10, and dividing plate 6, downspout 7, liquid phase region 10 and respiratory box cylindrical shell wall form air pocket 9 jointly; Described combination respiratory box, structure and other combination box of the 1st grade of respiratory box are slightly different, the bottom liquid phase region of the 1st respiratory box is provided with liquid-phase outlet, the circulation of absorbing liquid is realized by absorbing liquid circulating pump 5, and be provided with liquid distributing board 11 bottom other combination respiratory boxs, each respiratory box docks up and down mutually, and the base plate of top box becomes the mixed gas passage upper sealing plate of nowel, and the liquid of top box directly falls into nowel by liquid distributing board 11; The mixed gas passage of respiratory box at different levels is connected by gas connection conduit 8, and the air pocket of respiratory box at different levels is provided with air pocket connector by connecting pipe UNICOM, is discharged by separation gas pipeline 13; The top of last 1 grade of respiratory box does not have upper sealing plate, is provided with absorbing liquid spray thrower 12, is separated tail gas and directly enters demister system.

A kind of absorbing separator of application the utility model, comprises the following steps:

(1) gaseous mixture input

Gaseous mixture A inputs by inputting gaseous mixture pipeline 1, sends into absorption and separation system through air blast 2 supercharging;

(2) absorption and separation of gaseous mixture

Tower case the 1st grade of respiratory box is directly entered through the gaseous mixture A of supercharging, the absorbing liquid cross-flow fallen with the 2nd grade of respiratory box liquid distributing board contacts, gaseous mixture enters the 2nd grade of respiratory box through gaseous mixture interface channel, gaseous mixture moves upward step by step, and absorbing liquid moves downward step by step, form the general layout of overall counter current contacting, through multistage absorption, absorbent in gaseous mixture is absorbed, and tail gas enters demister system; In respiratory box at different levels, the air pocket collection parsing gas that dividing plate, downspout, liquid phase region and respiratory box cylindrical shell wall are formed jointly obtains divided gas flow C and sends receipts back to; Absorbing liquid is sent to circulate at the absorbing liquid of the bottom liquid phase region of the 1st grade of respiratory box;

(3) tail gas demist purification

Tail gas B after absorption and separation directly enters demister, and through demist layer in demister, tail gas send the discharge of tail gas;

(4) discharge of tail gas

After tail gas demist, tail gas B is discharged by output channel.

Take five respiratory box combinations, absorbing liquid adopts sodium acid carbonate, and concentration is 10%.

Application the utility model absorbing separator, carbon dioxide separation rate >=95%, gas concentration lwevel >=95%.

The invention has the beneficial effects as follows: (1) this system is reasonable, take respiratory box longitudinal combination to form tower box structure, combined and instant, equipment is convenient to manufacture, transport and install, reach the object of separating mixed gas, system investments is few, stable and reliable operation, resources and energy consumption be few; (2) in respiratory box at different levels, gaseous mixture and absorbing liquid are all that cross-flow contacts, but form the general layout of overall counter current contacting, have ensured final absorption and separation effect; (3) for separating carbon dioxide from smoke, implementation result, carbon dioxide separation rate >=95%, gas concentration lwevel >=95%.

The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, all can not exceed the protection domain of design of the present invention and claims.

Claims (1)

1. an absorbing separator, is that a kind of longitudinal arrangement respiratory box forms tower box structure, comprises interconnective mist input system, absorption and separation system, demister system and output system;

Described mist input system is made up of input channel, air blast;

Described mist absorption and separation system is made up of longitudinal combination respiratory box and described respiratory box mist interface channel;

Described demister system is made up of demister;

Described output system is made up of output channel;

Further:

Described mist absorption and separation system is made up of longitudinal combination respiratory box, described respiratory box constructs a resolution gas body space separated with exhaust gases passes, top is exhaust gases passes, bottom is provided with dividing plate, liquid-droping groove, liquid phase region, and dividing plate, downspout, liquid phase region and respiratory box cylindrical shell wall form air pocket jointly; Described combination respiratory box, structure and other combination box of the 1st grade of respiratory box are slightly different, the bottom liquid phase region of the 1st respiratory box is provided with liquid-phase outlet, and be provided with liquid distributing board bottom other combination respiratory boxs, each respiratory box docks up and down mutually, the base plate of top box becomes the mixed gas passage upper sealing plate of nowel, and the liquid of top box directly falls into nowel by liquid distributing board; The mixed gas passage of respiratory box at different levels is connected by gas connection conduit, and the air pocket of respiratory box at different levels is provided with air pocket connector by connecting pipe UNICOM; The top of last 1 grade of respiratory box does not have upper sealing plate, is provided with absorbing liquid spray thrower, is separated tail gas and directly enters demister system.