CN201613102U - Regeneration tower - Google Patents
Regeneration tower Download PDFInfo
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- CN201613102U CN201613102U CN200920350778XU CN200920350778U CN201613102U CN 201613102 U CN201613102 U CN 201613102U CN 200920350778X U CN200920350778X U CN 200920350778XU CN 200920350778 U CN200920350778 U CN 200920350778U CN 201613102 U CN201613102 U CN 201613102U
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- desulfurizing agent
- regenerator
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Abstract
The utility model provides a regeneration tower. The regeneration tower comprises a main body, a sulfur dioxide outlet formed at the top of the main body, a rich desulfurizer inlet, a middle lean desulfurizer outlet, a middle lean desulfurizer inlet, a lean desulfurizer outlet, first, second and third filler layers, and first and second liquid redistributors, wherein the first filler layer is positioned above the rich desulfurizer inlet; the second and the third filler layers are positioned between the rich desulfurizer inlet and the middle lean desulfurizer outlet; the second filler layer is positioned above the third filler layer; the first liquid redistributor is positioned between the second filler layer and the rich desulfurizer inlet; and the second liquid redistributor is positioned between the second filler layer and the third filler layer. By adopting the regeneration tower, desulfurizer can be regenerated to be recycled.
Description
Technical field
The utility model relates to a kind of regenerator, especially relates to a kind of regenerator that uses in can the flue gas desulfurization of recycling desulfurizer.
Background technology
Sulfur dioxide pollution has become the key factor of restriction China economy, social sustainable development, and it is imperative therefore to control sulfur dioxide pollution.At present, can adopt desulfurization and three kinds of desulfurization methods of burning back desulfurization in the preceding desulfurization of burning, the burning by the residing aborning position of sulfur removal technology difference.Wherein, the gas fume after burning desulfurization is to control the main means that the sulfur dioxide gas body pollution is adopted at present in the world.This desulfur technology has a variety of, is broadly divided into dry method, semidry method and wet method three classes by the reactiveness of sulfur removal technology.Wherein in China, wet type limestone-gypsum method flue gas desulfurization technology accounts for more than 90%, but this technology also exist by-produced gypsum be difficult to utilize again, produce when removing sulfur dioxide carbon dioxide and desulfurizing agent can't be recycling etc. problem.
Therefore, be badly in need of a kind of novel fume desulphurization method and the equipment of use thereof, can when removing sulfur dioxide in flue gas, can also avoid byproduct to be difficult to utilize again, produce carbon dioxide and desulfurizing agent can be recycling etc. problem.
The utility model content
The purpose of this utility model is intended to one of solve the problems of the technologies described above at least.For this reason, a purpose of the present utility model is to propose a kind of byproduct that can solve and is difficult to utilize again, the regenerator that uses in the problem of generation carbon dioxide and the flue gas desulfurization that desulfurizing agent can be recycling.
For achieving the above object, the utility model proposes a kind of regenerator, comprising: body; Be arranged on the sulfur dioxide outlet of bodies top; The rich desulfurizing agent that be arranged on body top, has been used for the absorption after heating up sulfur dioxide supplies to intrinsic rich desulfurizing agent inlet; Be arranged on the body and be positioned at rich desulfurizing agent inlet below, the poor desulfurizing agent outlet in centre that the poor desulfurizing agent that is used for parsing sulfur dioxide is discharged body; Be arranged on the body and be positioned in the middle of poor desulfurizing agent outlet below, the poor desulfurizing agent that is used for the poor desulfurizing agent outlet from the centre is discharged supply to the poor desulfurizing agent inlet in intrinsic centre through heating up once more so that resolve the poor desulfurizing agent of sulfur dioxide once more; Be arranged on body the bottom, be used for will parse once more the poor desulfurizing agent of sulfur dioxide discharge the poor desulfurizing agent outlet of body; Be arranged on intrinsic first to the 3rd packing layer, described first packing layer is positioned at rich desulfurizing agent inlet top, and the second and the 3rd packing layer is between rich desulfurizing agent inlet and middle poor desulfurizing agent outlet, and second packing layer is positioned at the 3rd packing layer top; Be arranged on intrinsic first and second liquid re-distributors, described first liquid re-distributor is between second packing layer and rich desulfurizing agent inlet, and described second liquid re-distributor is between the second and the 3rd packing layer.
According to regenerator of the present utility model, can the desulfurizing agent recycling utilization of sulfur dioxide will have been absorbed.
Also have following additional technical feature according to regenerator of the present utility model:
May further include reflux inlet according to regenerator of the present utility model, described reflux inlet is arranged on the body and is positioned at first packing layer top and sulfur dioxide outlet below.
May further include according to regenerator of the present utility model and to be arranged in the body and the backflow distributor between the reflux inlet and first packing layer.
May further include liquid trap according to regenerator of the present utility model, described liquid trap is arranged on the intrinsic dividing plate and between poor desulfurizing agent inlet in centre and the 3rd packing layer.
May further include distributor according to regenerator of the present utility model, described distributor is arranged in the described body and the inlet of distributor links to each other with rich desulfurizing agent inlet.
Silk screen or ring that described packing layer is made by stainless steel constitute.Described packing layer is made of metallurgic orifice corrugated packing.On described body, be provided with at least one regenerator manhole.
Be provided with regenerator thermo detector and/or regenerator liquid level gauge in contiguous middle poor desulfurizing agent porch, the bottom of body.
Be provided with the skirt that is used for supporting body in the bottom of described body.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram that comprises according to the flue gas desulphurization system of the regenerator of the utility model embodiment;
Fig. 2 is the structural representation on absorption tower shown in Fig. 1;
Fig. 3 is the structural representation according to the regenerator of the utility model embodiment;
The schematic flow sheet of Fig. 4 for using flue gas desulphurization system shown in Figure 1 to carry out desulfurization; With
Fig. 5 for use flue gas desulphurization system shown in Figure 1 carry out desulfurization another schematic flow sheet.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, close the orientation of indications such as term " top ", " bottom ", " top ", " bottom ", " top ", " below " or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
In addition, in order to understand the utility model better, before describing, the part term that uses in need describing the utility model simply explain, " poor desulfurizing agent " be meant the desulfurizing agent that does not absorb sulfur dioxide or parsed absorb the desulfurizing agent (lean solution agent) of sulfur dioxide." rich desulfurizing agent " is meant the desulfurizing agent (rich solution agent) that has absorbed sulfur dioxide, wherein, if rich desulfurizing agent removes wherein sulfur dioxide by twice above parsing, so in the utility model, after the one parsing and resolve for the last time desulfurizing agent before the desulfurization also can be called in the middle of poor desulfurizing agent, desulfurizing agent after the last parsing desulfurization is called poor desulfurizing agent, if rich desulfurizing agent only removes wherein sulfur dioxide by one parsing, the desulfurizing agent after the one parsing desulfurization just is called poor desulfurizing agent so.
The regenerator flue gas desulphurization system that comprises according to the utility model embodiment is at first described below.
As shown in Figure 1, flue gas desulphurization system mainly comprises absorption tower 10 and regenerator 12.
The flue gas that contains sulfur dioxide 10 bottom is sent into absorption tower 10 from the absorption tower, poor desulfurizing agent 10 top is sent into absorption tower 10 from the absorption tower, thereby poor desulfurizing agent flows downward in absorption tower 10, flue gas in absorption tower 10 on flow, the two counter current contacting, thus poor desulfurizing agent with process that flue gas contacts in absorb wherein sulfur dioxide.The clean flue gas that removes sulfur dioxide 10 top is discharged from the absorption tower, and the liquid rich desulfurizing agent that has absorbed sulfur dioxide 10 bottom is discharged from the absorption tower.
The 10 rich desulfurizing agents of discharging are sent into regenerator 12 after heating up from the absorption tower, in regenerator 12, because temperature raises, rich desulfurizing agent parses the sulfur dioxide that is absorbed, become poor desulfurizing agent, and the poor desulfurizing agent that the sulfur dioxide that parses is discharged from regenerator 12 turns back in the absorption tower 10 through cooling recycling.
Below with reference to Fig. 2 absorption tower 10 is described.
As shown in Figure 2, absorption tower 10 comprises housing 111, smoke inlet 100, poor desulfurizing agent inlet 101, clean exhanst gas outlet 106, rich desulfurizing agent outlet 102, liquid distribution trough 104 and packing layer 103.
Clean exhanst gas outlet 106 is arranged on the top of housing 111, has sloughed the clean flue gas behind the sulfur dioxide and has discharged absorption tower 10 from exhanst gas outlet 106.Rich desulfurizing agent outlet 102 is arranged on the bottom of housing 111, and the rich desulfurizing agent that has absorbed sulfur in smoke in housing 111 is discharged absorption tower 10 from rich desulfurizing agent outlet 102.
In an example of the present utility model, packing layer 103 can be made of metallurgic orifice corrugated packing.Alternatively, packing layer 103 also can be made of silk screen or the ring that stainless steel is made.Certainly, packing layer 103 also can be made of other suitable materials.Stainless steel and metal can be the Q235-B+904L stainless steel.
As shown in Figure 2, in an example of the present utility model, in housing 111, be provided with demister 105 between clean exhanst gas outlet 106 and poor desulfurizing agent inlet 101, demister 105 is used for removing the moisture of clean flue gas.More specifically, demister 105 comprises first and second demisters, and first demister is arranged on second demister top and spaced apart preset distance, thereby clean flue gas is carried out twice demist, makes that the clean flue gas of discharging is dry more.Demister 105 can be deflection plate demister or mesh mist eliminator.
In a concrete example, on the sidewall of housing 111 bottoms, below smoke inlet 100, be provided with absorbing tower liquid-level meter 108, be used to detect the liquid level in the housing 111, so that in time discharge the rich desulfurizing agent that has absorbed sulfur dioxide.In another example, on the sidewall of housing 111 bottoms, below smoke inlet 100, for example relatively be provided with absorption tower thermo detector 109, be used to measure the temperature in the housing 111, so that poor desulfurizing agent absorbs sulfur in smoke better with absorbing tower liquid-level meter 108.
Alternatively, the upper and lower of housing 111 is provided with absorption tower manhole 110, is used for maintenance and uses.
According to embodiment of the present utility model, desulfurizing agent can be organic amine desulfurizer, dimethylaniline for example, and monoethanolamine, and diethanol amine,
Above-mentioned organic amine desulfurizing agent can absorb sulfur dioxide at predetermined temperature, and can the temperature more than predetermined temperature parse sulfur dioxide, for example in 40-50 degree centigrade scope, the temperature of desulfurizing agent parsing sulfur dioxide for example can be at 100 degrees centigrade for described predetermined temperature.
Certainly, desulfurizing agent is not limited to above-mentioned concrete example, as long as desulfurizing agent can absorb sulfur dioxide under low relatively temperature, and it is just passable to resolve sulfur dioxide under high relatively temperature, the name that for example can use commercially available Chengdu Huaxi Industrial Gas Co., Ltd. to produce is called " ionic liquid desulfurizing agent ", and model is the desulfurizing agent of HXDS01.
Below with reference to the regenerator 12 of Fig. 3 description according to the utility model embodiment.
As shown in Figure 3, regenerator 12 comprises body 120, sulfur dioxide outlet 121, rich desulfurizing agent inlet 125, middle poor desulfurizing agent outlet 131, middle poor desulfurizing agent inlet 132, poor desulfurizing agent outlet 133, first packing layer 124, second packing layer 127, the 3rd packing layer 129, first liquid re-distributor 126 and second liquid re-distributor 128.
Middle poor desulfurizing agent outlet 131 is arranged on the sidewall of body 120 and is positioned at the below of rich desulfurizing agent inlet 125, the rich desulfurizing agent that is sent to from absorption tower 10 in the body 120 becomes poor desulfurizing agent (middle poor desulfurizing agent) after the intensification one parsing goes out sulfur dioxide, do not discharge, but discharge body 120 by middle poor desulfurizing agent outlet 131 from poor desulfurizing agent outlet 133.Correspondingly, middle poor desulfurizing agent inlet 132 in the middle of being arranged on the body 120 poor desulfurizing agent outlet 131 below, the one parsing that poor desulfurizing agent outlet 131 is discharged from the centre goes out the poor desulfurizing agent in centre of sulfur dioxide through heating up once more (for example by reboiler 24, as shown in Figure 1) poor desulfurizing agent inlet 132 turns back in the body 120 from the centre, so that parse sulfur dioxide once more in body 120, the poor desulfurizing agent that parses whole sulfur dioxide is once more discharged body 120 by poor desulfurizing agent outlet 133.
Poor desulfurizing agent outlet 133 is arranged on the bottom of body 120, is used to discharge the poor desulfurizing agent of the poor desulfurizing agent body that parses sulfur dioxide once more.
Here, be appreciated that, from absorption tower 10 by rich desulfurizing agent inlet 125 send in the body 120 rich desulfurizing agent one parsing go out become behind the part sulfur dioxide in the middle of poor desulfurizing agent, the poor desulfurizing agent in centre after the one parsing can be discharged body 120 by middle poor desulfurizing agent outlet 131, and then poor desulfurizing agent inlet 132 returns body 120 and resolves once more from the centre heating back, becomes the poor desulfurizing agent that parses whole sulfur dioxide.
First liquid re-distributor 126 is arranged in the body 120 and between second packing layer 127 and rich desulfurizing agent inlet 125, second liquid re-distributor 128 is arranged in the body 120 and between second packing layer 127 and the 3rd packing layer 129.
More specifically, first liquid re-distributor 126 is arranged on second packing layer, 127 tops, be used on the cross section of body 120, distributing equably from the rich desulfurizing agent inlet 125 rich desulfurizing agents that supply in the body 120, thereby make rich desulfurizing agent resolve desulfurization better.
Second liquid re-distributor 128 is used for distributing the desulfurizing agent that flows down from second packing layer 127 equably, further makes desulfurizing agent resolve desulfurization.
As shown in Figure 3, in an example of the present utility model, regenerator 12 can comprise reflux inlet 122, and reflux inlet 122 is arranged on the body 120 and is positioned at first packing layer, 124 tops and sulfur dioxide exports 121 belows.In addition, in body 120, between the reflux inlet 122 and first packing layer 124, backflow distributor 123 can be set.The sulfur dioxide of discharging from the sulfur dioxide outlet 121 at body 120 tops contains moisture, therefore can carry out condensation to the sulfur dioxide of discharging by condenser 18 and gas-liquid separator 19 (as shown in Figure 1) and obtain highly purified sulfur dioxide gas and condensate liquid (for example saturated sulfurous acid solution) from sulfur dioxide outlet 121, condensate liquid can turn back in the body 120 by reflux inlet 122, and the condensate liquid that turns back in the body 120 can distribute by backflow distributor 123, fully reclaims desulfurizing agent thus.
By first packing layer 124, second packing layer 127 and the 3rd packing layer 129 and corresponding first liquid re-distributor 126 and second liquid re-distributor 128 and backflow distributor 123 are set, in body 120, can obtain higher mass-transfer efficiency and lower pressure drop, improve and resolve effect.
As shown in Figure 3, in an example of the present utility model, be at rich desulfurizing agent inlet 125 and be provided with distributor 1251 in the body 120.More specifically, be connected with one section pipe at rich desulfurizing agent 125 places that enter the mouth in body 120, tube wall is provided with dispensing orifice, is used for reallocating from the rich desulfurizing agent inlet 125 rich desulfurizing agents of sending into, and resolves effect thereby further improve.
In a concrete example of the present utility model, on the sidewall of body 120, the height place of poor desulfurizing agent inlet 132 is provided with regenerator liquid level gauge 137 in the centre, is used to detect the liquid level in the body 120, so that in time discharge the poor desulfurizing agent that parses sulfur dioxide.In addition, above regenerator liquid level gauge 137, also be provided with regenerator thermo detector 134, be used to measure the temperature in the body 120, so that make rich desulfurizing agent parse sulfur dioxide better.
Alternatively, the upper and lower of body 120 is respectively equipped with regenerator manhole 136, is used for maintenance and uses.
In an example of the present utility model, as shown in Figure 3, in body 120, between the poor desulfurizing agent outlet in centre the 131 and the 3rd packing layer 129, be provided with dividing plate 1301, on dividing plate 1301, be respectively equipped with liquid trap 130.The sulfur dioxide that parses from desulfurizing agent below dividing plate 1301 enters liquid trap 130 from below, thereby the gaseous state part is come out upwards to advance from liquid trap 130 tops and is discharged from sulfur dioxide outlet 121, and liquid part is collected in the liquid trap 130, drop into body 120 bottom cycle utilizations downwards, reduced the liquid component in the sulfur dioxide.
Return below with reference to figure 1 and describe flue gas desulphurization system.
As mentioned above, the rich desulfurizing agent outlet 102 on the absorption tower 10 of flue gas desulphurization system links to each other with the rich desulfurizing agent inlet 125 of regenerator 12, and the poor desulfurizing agent inlet 101 on absorption tower 10 links to each other with the poor desulfurizing agent outlet 133 of regenerator 12.In an example of the present utility model, between absorption tower 10 and regenerator 12, be provided with rich or poor desulfurizing agent heat exchanger 13.More specifically, the entrance and exit of a path of rich or poor desulfurizing agent heat exchanger 13 links to each other with the rich desulfurizing agent outlet 102 on absorption tower 10 and the rich desulfurizing agent inlet 125 of regenerator 12 respectively, the outlet on rich or poor desulfurizing agent heat exchanger 13 another roads links to each other with the poor desulfurizing agent outlet 133 of regenerator 12 and the poor desulfurizing agent inlet 101 on absorption tower 10 respectively with inlet, thereby the 10 rich desulfurizing agents of discharging and the poor desulfurizing agent of discharging from regenerator 12 carry out the heat exchange 10 rich desulfurizing agents of discharging from the absorption tower that heat up thus from the absorption tower, so that resolve removal sulfur dioxide in regenerator 12, and that the poor desulfurizing agent of discharging from regenerator 12 is sent into absorption tower 10 after by the heat exchange cooling is recycling.
As shown in Figure 1, flue gas desulphurization system further comprises flue gas and treating apparatus 11, thereby is used for the flue gas that enters absorption tower 10 is carried out the dustiness that preliminary treatment reduces flue gas, for example the fume amount in the flue gas is reduced to≤300mg/Nm
3Pretreated flue gas blasts in the absorption tower 10 from the smoke inlet 100 on absorption tower 10 after by booster fan 20 superchargings.Flue gas on absorption tower 10 upwards with top poor desulfurizing agent counter current contacting down, thereby poor desulfurizing agent absorption sulfur in smoke becomes rich desulfurizing agent.The clean flue gas that has removed sulfur dioxide enters chimney 15 dischargings from clean exhanst gas outlet 106 discharges.
Rich desulfurizing agent utilizes rich solution pump 17 to deliver in the rich or poor desulfurizing agent heat exchanger 13 from rich desulfurizing agent outlet 102, enters regenerator 12 through heat exchange.
Rich desulfurizing agent after the intensification parses part sulfur dioxide in regenerator 12, poor desulfurizing agent in the middle of becoming, the poor desulfurizing agent in this centre is discharged regenerator 12 by middle poor desulfurizing agent outlet 131, entering reboiler 24 heats up once more by steam, enter regenerator 12 by the poor desulfurizing agent inlet 132 in centre then and resolve desulfurization once more, thereby can parse the sulfur dioxide of absorption more up hill and dale.
The pressure that the thermal source of reboiler 24 provides for the outside is the steam of 0.3MPa.
The sulfur dioxide gas connected component saturated vapor that parses is upwards discharged by sulfur dioxide outlet 121.In an example of the present utility model, export 121 places at sulfur dioxide and be connected with condenser 18 and gas-liquid separator 19.The sulfur dioxide of discharging from regenerator 12 by condensation separates with gas-liquid separator 19, obtains sulfur dioxide gas and condensate liquid (saturated sulfurous acid solution), and condensate liquid returns regenerator 12 from the reflux inlet 122 of regenerator 12 by reflux pump 21.In resolving, highly acid salt (as sulfate radical and salt acid group) is heat stable salt, can not parse, thereby SO
2Product has extreme high purity (butt is more than 99%).Highly purified sulfur dioxide gas can be used to produce the good raw material of sulfur dioxide liquid, sulfuric acid, sulphur and other chemical products.
The poor desulfurizing agent of falling regenerator 12 bottoms enters rich or poor desulfurizing agent heat exchanger 13 and carries out heat exchange, and it is recycling that the cooling back is returned absorption tower 10 by lean pump 16 from poor desulfurizing agent inlet 101.
As shown in Figure 1, desulphurization system also comprises underground tank 25 and storage tank 23, and underground tank 25 is used for storing poor desulfurizing agent, and storage tank 23 is used to store poor desulfurizing agent temporarily.Storage tank 23 can link to each other with underground tank 25, is used for replenishing in storage tank 23 poor desulfurizing agent.Underground tank 25 and storage tank 23 can with link to each other by lean pump 16 and poor desulfurizing agent inlet 101, be used for additional poor desulfurizing agent in absorption tower 10.Between storage tank 23 and lean pump 16, fluid infusion pump 22 can also be set, be used for optionally from storage tank 23 directly to absorption tower 10 complementary goods desulfurizing agents.
10 poor desulfurizing agent, 101 places that enter the mouth can be provided with cleaning equipment 14 on the absorption tower, are used for the poor desulfurizing agents that supply in the absorption tower 10 are purified.Cleaning equipment 14 is mainly used in to be removed flue gas 11 and is brought into solid matter, organic substance and yin, yang ion etc. in the desulfurizing agent.In an example of the present utility model, the capital equipment of cleaning equipment 14 is made up of front filter, adsorption tank, after-filter, salting out tank, clarifier etc.Front filter, after-filter are mainly used in the solid impurity that removes in the solution; Adsorption tank is mainly used in the organic impurities that removes in the solution; Salting out tank, clarifier etc. mainly remove the zwitterion impurity in the solution, and the desulfurizing agent after purifying can enter in the system of the present utility model and continue to recycle.
The flow process of flue gas desulfurization is described below with reference to Fig. 4.
At first, flue gas is transported to the bottom on absorption tower 10 by booster fan 20.The poor desulfurizing agent of temperature lower (for example 40-50 degree centigrade) is transported in the absorption tower 10 from the top on absorption tower 10.In the packing layer 103 on absorption tower 10, poor desulfurizing agent contacts with flue gas adverse current and carries out desulfurization, and poor desulfurizing agent becomes rich desulfurizing agent after having absorbed sulfur in smoke.Reach the purpose that removes sulfur dioxide in flue gas thus, and the flue gas after being purified water content is higher, the flue gas that reaches capacity substantially can enter atmosphere through tail gas funnel.
The rich desulfurizing agent that to collect by rich solution pump 17 is transported in the rich or poor desulfurizing agent heat exchanger 13, heat up, enter regenerator 12 tops after being warming up to about 100 ℃ through the second and the 3rd packing layer 127,129 carry out one parsing to parse the sulfur dioxide of absorption, the desulfurizing agent that one parsing goes out sulfur dioxide gas becomes middle poor desulfurizing agent, the poor desulfurizing agent of process one parsing is through the second and the 3rd packing layer 127, enter reboiler 24 after 129, resolve once more, desulfurizing agent becomes poor desulfurizing agent, thereby more up hill and dale sulfur dioxide being parsed becomes gas phase (stripping) and obtains poor desulfurizing agent, the sulfur dioxide that parses is discharged regenerator 12 from the sulfur dioxide outlet 121 of regenerator 12, and poor desulfurizing agent is discharged regenerator 12 from the poor desulfurizing agent outlet 133 of regenerator 12.
Another flow process of flue gas desulfurization is described below with reference to Fig. 5.Compare with embodiment illustrated in fig. 4, before flue gas enters absorption tower 10, purify, to reduce the dustiness in the flue gas.
Comprise that in addition the sulfur dioxide to discharging from regenerator 12 tops carries out condensation by condenser 18, and by gas-liquid separator 19 the saturated sulfurous acid solution of condensation is separated with sulfur dioxide gas, obtain the good raw material that highly purified sulfur dioxide gas can be used as production sulfur dioxide liquid, sulfuric acid, sulphur and other chemical products thus.Saturated sulfurous acid solution is back in the regenerator 12.
It is recycling to turn back to absorption tower 10 after the poor desulfurizing agents of discharging in the regenerator 12 are lowered the temperature by rich or poor desulfurizing agent heat exchanger 13.
In an example of the present utility model, can also purify poor desulfurizing agent, be brought into solid matter, organic substance and yin, yang ion in the desulfurizing agent to remove flue gas, make desulfurizing agent after the purification can enter system and continue to recycle.
According to the utility model, when removing sulfur dioxide in flue gas, can also the highly purified sulfur dioxide gas of by-product, this byproduct can reclaim valuable sulphur resource as the good raw material of producing sulfur dioxide liquid, sulfuric acid, sulphur and other chemical products.The utility model also can not exist byproduct to be difficult to utilize again in addition, and produces the problem of carbon dioxide.Therefore, the utility model has been realized high efficiency, the resource of flue gas desulfurization and can have been met the developing goal of national recycling economy.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present utility model is by claims and be equal to and limit to these embodiment.
Claims (10)
1. a regenerator is characterized in that, comprising:
Body;
Be arranged on the sulfur dioxide outlet of bodies top;
The rich desulfurizing agent that be arranged on body top, has been used for the absorption after heating up sulfur dioxide supplies to intrinsic rich desulfurizing agent inlet;
Be arranged on the body and be positioned at rich desulfurizing agent inlet below, the poor desulfurizing agent outlet in centre that the poor desulfurizing agent that is used for parsing sulfur dioxide is discharged body;
Be arranged on the body and be positioned in the middle of poor desulfurizing agent outlet below, the poor desulfurizing agent that is used for the poor desulfurizing agent outlet from the centre is discharged supply to the poor desulfurizing agent inlet in intrinsic centre through heating up once more so that resolve the poor desulfurizing agent of sulfur dioxide once more;
Be arranged on body the bottom, be used for will parse once more the poor desulfurizing agent of sulfur dioxide discharge the poor desulfurizing agent outlet of body;
Be arranged on intrinsic first to the 3rd packing layer, described first packing layer is positioned at rich desulfurizing agent inlet top, and the second and the 3rd packing layer is between rich desulfurizing agent inlet and middle poor desulfurizing agent outlet, and second packing layer is positioned at the 3rd packing layer top; With
Be arranged on intrinsic first and second liquid re-distributors, described first liquid re-distributor is between second packing layer and rich desulfurizing agent inlet, and described second liquid re-distributor is between the second and the 3rd packing layer.
2. regenerator as claimed in claim 1 is characterized in that, further comprises reflux inlet, and described reflux inlet is arranged on the body and is positioned at first packing layer top and sulfur dioxide outlet below.
3. regenerator as claimed in claim 2 is characterized in that, further comprises being arranged in the body and the backflow distributor between the reflux inlet and first packing layer.
4. regenerator as claimed in claim 1 is characterized in that, further comprises liquid trap, and described liquid trap is arranged on the intrinsic dividing plate and between poor desulfurizing agent inlet in centre and the 3rd packing layer.
5. regenerator as claimed in claim 1 is characterized in that, further comprises distributor, and described distributor is arranged in the described body and the inlet of distributor links to each other with rich desulfurizing agent inlet.
6. regenerator as claimed in claim 1 is characterized in that, silk screen or ring that described packing layer is made by stainless steel constitute.
7. regenerator as claimed in claim 1 is characterized in that described packing layer is made of metallurgic orifice corrugated packing.
8. regenerator as claimed in claim 1 is characterized in that, is provided with at least one regenerator manhole on described body.
9. regenerator as claimed in claim 1 is characterized in that, is provided with regenerator thermo detector and/or regenerator liquid level gauge in contiguous middle poor desulfurizing agent porch, the bottom of body.
10. regenerator as claimed in claim 1 is characterized in that, is provided with the skirt that is used for supporting body in the bottom of described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920350778XU CN201613102U (en) | 2009-12-30 | 2009-12-30 | Regeneration tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920350778XU CN201613102U (en) | 2009-12-30 | 2009-12-30 | Regeneration tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201613102U true CN201613102U (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920350778XU Expired - Fee Related CN201613102U (en) | 2009-12-30 | 2009-12-30 | Regeneration tower |
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| CN (1) | CN201613102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247740A (en) * | 2011-07-15 | 2011-11-23 | 攀钢集团有限公司 | Multi-stage desorption process for desulfurization solution |
| CN105251318A (en) * | 2015-11-06 | 2016-01-20 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Wet-process organic amine desulfurization desorption tower for preventing crystallization plugging of reboiler |
-
2009
- 2009-12-30 CN CN200920350778XU patent/CN201613102U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247740A (en) * | 2011-07-15 | 2011-11-23 | 攀钢集团有限公司 | Multi-stage desorption process for desulfurization solution |
| CN102247740B (en) * | 2011-07-15 | 2014-07-09 | 攀钢集团有限公司 | Multi-stage desorption process for desulfurization solution |
| CN105251318A (en) * | 2015-11-06 | 2016-01-20 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Wet-process organic amine desulfurization desorption tower for preventing crystallization plugging of reboiler |
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