CN204735097U - Degree of depth desulphurization unit - Google Patents
Degree of depth desulphurization unit Download PDFInfo
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- CN204735097U CN204735097U CN201520353034.9U CN201520353034U CN204735097U CN 204735097 U CN204735097 U CN 204735097U CN 201520353034 U CN201520353034 U CN 201520353034U CN 204735097 U CN204735097 U CN 204735097U
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Abstract
The utility model provides a degree of depth desulphurization unit is equipped with respectively in the desulfurization main part rather than communicating pipeline and the admission line of giving vent to anger in inside, still establishes on the admission line rather than communicating ammonia pipeline, the inside of desulfurization main part is equipped with 3 filtering component of group from top to bottom in proper order, and the filter is established to the 3rd filtering component's of group below. Compared with the prior art, the utility model it effectively gets rid of the sulfur dioxide in the flue gas after the desulfurization to have to guarantee the advantages such as denitration of flue gas.
Description
Technical field the utility model relates to a kind of desulfurizer, particularly relates to a kind ofly to be applied in a kind of desulfurizer before low-temperature denitration.
Need through desulphurization denitration process before the industrial gas emission that the industries such as background technology electric power, metallurgy, oil, building materials produce in process of production, the mode taked at present is that flue gas is introduced into desulfurizing tower, enter denitrating tower again, but flue gas still contains a small amount of sulfur dioxide and a large amount of nitrogen oxide after desulfurization, after entering desulfurizing tower, the catalyst of denitration is because containing sulphur " poisoning " in flue gas.Nitrogen oxide is nitric oxide particularly, its chemical property is close to inert gas, only under 350 DEG C-420 DEG C effects at catalyst, be reduced into nitrogen and oxygen with ammonia, within 320 DEG C, substantially nitrogen and oxygen is not reduced into any gas reaction, therefore, according to the crystallization theory of this characteristic nitric oxide production and ammonium sulfate, need the desulfurizer using the degree of depth before low-temperature denitration, to ensure the normal use of low-temperature denitration catalyst.
Summary of the invention the purpose of this utility model is to provide a kind of a kind of deep desulfuration device be applied between desulfurization and denitration, effectively removes the sulfur dioxide in flue gas after desulfurization, to ensure the denitration of flue gas.
The utility model is mainly arranged on the device between existing desulfurizing tower and denitrating tower, and technical scheme is as follows:
The utility model mainly includes desulfurization main body, admission line, outlet pipe, ammonia pipeline, filter assemblies and filter, the desulfurization main body of wherein hollow is respectively equipped with the outlet pipe and admission line that communicate with its inside, wherein admission line is still established the ammonia pipeline communicated with it; The inside of above-mentioned desulfurization main body is provided with 3 groups of filter assemblies from top to bottom successively, wherein the 1st group of filter assemblies is made up of stainless steel cloth and support bar A, the support bar A of described level has some, the two ends of every root support bar A are all fixed together with the inwall of desulfurization main body, and at least 1 layer of woven wire is laid on the top of support bar A; 2nd group of filter assemblies is made up of filler A, magazine A and support bar B, the support bar B of described level has some, the two ends of every root support bar B are all fixed together with the inwall of desulfurization main body, and magazine A is laid on the top of support bar B, and filter packing A is equipped with in the inside of magazine A; 3rd group of filter assemblies is made up of filler B, magazine B and support bar C, the support bar C of described level has some, the two ends of every root support bar C are all fixed together with the inwall of desulfurization main body, and magazine B is laid on the top of support bar C, and filler B is equipped with in the inside of magazine B; Filter is established in the below of described 3rd group of filter assemblies, and this filter is perforated plate, and the outer face of filter and the inwall of desulfurization main body are fixed together.
Preferably, described desulfurization main body is established respectively 3 steam inlets A, B, C, wherein steam inlet A is arranged between the 1st group of filter assemblies and the 2nd group of filter assemblies; Described steam inlet B is arranged between the 2nd group of filter assemblies and the 3rd group of filter assemblies; Steam inlet C is arranged on the 3rd group between filter assemblies and filter; Due to access steam, so establish in the bottom of described desulfurization main body the blow-off line communicated with its inside.
Preferably, described filler A is quartz sand, and thickness is 20-300mm.
Preferably, described filler B is PE plastic grain.
Preferably, the woven wire on the top of described support bar A is stainless steel cloth, and thickness is 20-300mm.
The utility model is arranged between desulfurizing tower and denitrating tower, admission line of the present utility model communicates with the outlet side of desulfurizing tower, outlet pipe communicates with the inlet end of denitrating tower, during work, flue gas enters in desulfurization main body after desulfurizing tower desulfurization, ammonia pipeline passes into the ammonia of 5-15% simultaneously, flue gas after desulfurization and the ammonia added mix and filter fully in desulfurization main body, sulfur dioxide and ammonia gas react generate ammonium sulfate crystallization, the reacted gas containing nitric oxide and ammonia, enter into denitrating tower again and carry out denitration, in desulfurization main body, create ammonium sulfate crystallization, crystalline solid is by being stopped in desalination tower after the filler in desulfurization main body, when resistance is increased to 500-900Pa, carry out cleaning regeneration.The process of regeneration is, the steam passing into 150-300 DEG C in desulfurization main body carries out continuing to utilize after winding-up regenerates again, and the ammonium sulfate liquid produced after winding-up is by being positioned at the following sewage draining exit discharge of desulfurization main body.
Flue gas after the utility model can make desulfurization mixes fully with the ammonia added and filters, sulfur dioxide and ammonia gas react generate ammonium sulfate crystallization, the reacted gas containing nitric oxide and ammonia, enter into denitrating tower again and carry out denitration, avoid the catalyst of denitration because containing sulphur " poisoning " in flue gas.
The utility model compared with prior art has the sulfur dioxide effectively removed in flue gas after desulfurization, and through test, desulfuration efficiency can reach more than 80%, ensures denitration quality, saves production cost, the advantages such as applied range.
Description of drawings 1 is partial cutaway schematic of the present utility model (main apparent direction).
Next detailed description of the invention just elaborates to the utility model by reference to the accompanying drawings
As shown in Figure 1, the desulfurization main body 1 of circular in cross-section is the hollow housing be welded by metallic plate, the outlet pipe 2 that its upper weld communicates with its inside, the admission line 3 that the lower weld of desulfurization main body communicates with its inside, this admission line still connects by joint the ammonia pipeline 4 communicated with it; The inside of above-mentioned desulfurization main body is provided with 3 groups of filter assemblies from top to bottom successively, 1st group of filter assemblies is made up of stainless steel cloth 511 and support bar 512, described support bar 512 has 3, all be horizontally disposed with, the two ends of every root support bar 512 all weld together with the inwall of desulfurization main body, 3 layers of circular stainless steel cloth are laid on the top of these 3 support bars 512, and the diameter of described stainless steel cloth is identical with the internal diameter of desulfurization main body; 2nd group of filter assemblies is made up of filler 611, magazine 612 and support bar 613, described support bar 613 has 3, all be horizontally disposed with, the two ends of every root support bar 613 all weld together with the inwall of desulfurization main body, magazine 612 is laid on the top of these 3 support bars 613, and described magazine 612 is made up of wire netting and the upper shed trough-shaped housing of circular in cross-section, and its external diameter is identical with the internal diameter of desulfurization main body, filler 611 is equipped with in the inside of magazine 612, and this filler 611 is quartz sand; 3rd group of filter assemblies is made up of filler 711, magazine 712 and support bar 713, described support bar 713 has 3, all be horizontally disposed with, the two ends of every root support bar 713 all weld together with the inwall of desulfurization main body, magazine 712 is laid on the top of these 3 support bars 713, and described magazine 712 is made up of wire netting and the upper shed trough-shaped housing of circular in cross-section, and its external diameter is identical with the internal diameter of desulfurization main body, filler 711 is equipped with in the inside of magazine 712, and this filler 711 is P911 plastic grain; Filter 8 is established in the below of described 3rd group of filter assemblies, and this filter is the circular orifice that diameter is identical with desulfurization inner major diameter, and the outer face of filter and the inwall of desulfurization main body weld together; Above-mentioned desulfurization main body is established respectively 3 steam inlets 911,912,913, wherein steam inlet 911 is arranged between the 1st group of filter assemblies and the 2nd group of filter assemblies; Described steam inlet 912 is arranged between the 2nd group of filter assemblies and the 3rd group of filter assemblies; Steam inlet 913 is arranged on the 3rd group between filter assemblies and filter; The blow-off line 10 that the lower weld of described desulfurization main body communicates with its inside.
Claims (7)
1. a deep desulfuration device, it is characterized in that: comprise desulfurization main body, admission line, outlet pipe, ammonia pipeline, filter assemblies and filter, the desulfurization main body of wherein hollow is respectively equipped with the outlet pipe and admission line that communicate with its inside, wherein admission line is established the ammonia pipeline communicated with it; The inside of above-mentioned desulfurization main body is provided with 3 groups of filter assemblies from top to bottom successively, wherein the 1st group of filter assemblies is made up of stainless steel cloth and support bar A, the support bar A of described level has some, the two ends of every root support bar A are all fixed together with the inwall of desulfurization main body, and at least 1 layer of woven wire is laid on the top of support bar A; 2nd group of filter assemblies is made up of filler A, magazine A and support bar B, the support bar B of described level has some, the two ends of every root support bar B are all fixed together with the inwall of desulfurization main body, and magazine A is laid on the top of support bar B, and filter packing A is equipped with in the inside of magazine A; 3rd group of filter assemblies is made up of filler B, magazine B and support bar C, the support bar C of described level has some, the two ends of every root support bar C are all fixed together with the inwall of desulfurization main body, and magazine B is laid on the top of support bar C, and filler B is equipped with in the inside of magazine B; Filter is established in the below of described 3rd group of filter assemblies, and this filter is perforated plate, and the outer face of filter and the inwall of desulfurization main body are fixed together.
2. deep desulfuration device according to claim 1, is characterized in that: described desulfurization main body is established respectively 3 steam inlets A, B, C, and wherein steam inlet A is arranged between the 1st group of filter assemblies and the 2nd group of filter assemblies; Described steam inlet B is arranged between the 2nd group of filter assemblies and the 3rd group of filter assemblies; Steam inlet C is arranged on the 3rd group between filter assemblies and filter; Due to access steam, so establish in the bottom of described desulfurization main body the blow-off line communicated with its inside.
3. deep desulfuration device according to claim 1 and 2, is characterized in that: described filler A is quartz sand.
4. deep desulfuration device according to claim 3, is characterized in that: the thickness of described quartz sand is 20-300mm.
5. deep desulfuration device according to claim 3, is characterized in that: described filler B is PE plastic grain.
6. deep desulfuration device according to claim 5, is characterized in that: the woven wire on the top of described support bar A is stainless steel cloth.
7. deep desulfuration device according to claim 6, is characterized in that: the stainless steel cloth thickness on the top of described support bar A is 20-300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353034.9U CN204735097U (en) | 2015-05-28 | 2015-05-28 | Degree of depth desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520353034.9U CN204735097U (en) | 2015-05-28 | 2015-05-28 | Degree of depth desulphurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204735097U true CN204735097U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520353034.9U Expired - Fee Related CN204735097U (en) | 2015-05-28 | 2015-05-28 | Degree of depth desulphurization unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204735097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888593A (en) * | 2015-05-28 | 2015-09-09 | 大连吉晟科技有限公司 | Deep desulfurization device |
| CN107243236A (en) * | 2017-08-09 | 2017-10-13 | 成都中祥天宇环保科技有限公司 | A kind of denitration reaction system suitable for low-temperature flue gas |
-
2015
- 2015-05-28 CN CN201520353034.9U patent/CN204735097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888593A (en) * | 2015-05-28 | 2015-09-09 | 大连吉晟科技有限公司 | Deep desulfurization device |
| CN107243236A (en) * | 2017-08-09 | 2017-10-13 | 成都中祥天宇环保科技有限公司 | A kind of denitration reaction system suitable for low-temperature flue gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20170528 |