CN204485622U - Ammonia process desulfuration tower outlet bypass supercharging plume wash mill - Google Patents
Ammonia process desulfuration tower outlet bypass supercharging plume wash mill Download PDFInfo
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- CN204485622U CN204485622U CN201520099154.0U CN201520099154U CN204485622U CN 204485622 U CN204485622 U CN 204485622U CN 201520099154 U CN201520099154 U CN 201520099154U CN 204485622 U CN204485622 U CN 204485622U
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Abstract
The utility model discloses a kind of ammonia process desulfuration tower outlet bypass supercharging plume wash mill, comprise desulfurizing tower top vent, air-introduced machine and the chimney arranged, former smoke chamber, neat stress room from top to bottom, desulfurizing tower top vent is drawn by induced duct, send in former smoke chamber through air-introduced machine again, the bottom of neat stress room is filled with cleaning solution, ammonia-containing exhaust enters cleaning solution by former flue gas adjutage again after entering former smoke chamber and washs, and enters chimney discharge finally by neat stress tedge.The utility model is ingenious utilizes sulphur ammonia in plume to be soluble in the characteristic of cleaning solution, make gas immerse cleaning solution and produce " bath in a tub " effect, solve ammonia efficiently and sulphur ammonium is difficult to absorbed chronic illness, substantially increase the assimilation effect of ammonia and ammonium bisulfite, decrease the ammonia of aerosol form and the escape of ammonium sulfite, remove ammonia and ammonium bisulfite efficiency reaches more than 95%, solving while ammonia and sulphur ammonium pollute, recyclable ammonium salt, effects of energy saving and emission reduction is remarkable.
Description
Technical field
The utility model belongs to environmental technology field, relates to a kind of ammonia process desulfuration tower outlet bypass supercharging plume wash mill for administering ammonia process desulfuration tower outlet ammonia and sulphur ammonium escape problem.
Background technology
Ammonia-process desulfurization technique has been widely used in removing in sulfur dioxide in flue gas device at China's industrial circle, mainly have higher reactivity based on ammonia, and ammonium sulfate has very soluble characteristic, so not easily produce scale formation.Due to the raw material that ammonia is chemical fertilizer, utilize ammonia desulfurization, a kind of agricultural fertilizer ammonium sulfate can be generated, compared with the desulfurization of calcium method, while scrubbing CO_2, its desulfurization product ammonium sulfate is easier to comprehensive utilization, turn waste into wealth, the operating cost of the ammonia process of desulfurization can be greatly reduced.
Due to ammonia highly volatile, so the matter of utmost importance of the ammonia process of desulfurization is the effumability how tackling ammonia, prevent ammonia from overflowing with tail gas.In addition, the gas phase in ammonia process desulfuration tower also easily forms ammonium bisulfite (NH
4hSO
3) aerosol, the ammonia of aerosol state and ammonium bisulfite form plume and together discharge with tail gas, create the ubiquitous ammonia process of desulfurization produce in the escaping of ammonia problem.Do not have the device of specialized purge plume after the current ammonia process of desulfurization, but by controlling desulfuration solution pH value, move down ammonification point, improve the oxidation efficiency of ammonium bisulfite, increase ammonia and ammonium bisulfite that the modes such as spray reduce the aerosol form carried under one's arms in plume.But these means fundamentally can not solve the problem of the escaping of ammonia, make while being stripped of sulfur dioxide, often create new ammonia and the discharge of sulphur ammonium, form secondary pollution, also result in the rising of enterprise's production cost.
Utility model content
To escape this technical barrier to solve ammonia and sulphur ammonium in the ammonia process of desulfurization, the utility model provides a kind of ammonia process desulfuration tower outlet bypass supercharging plume wash mill for administering ammonia process desulfuration tower outlet the escaping of ammonia, this device can remove ammonia and the ammonium bisulfite of the most of aerosol form carried under one's arms in tail gas efficiently, and its removal efficiency can reach more than 95%.
The technical solution of the utility model is as follows:
A kind of ammonia process desulfuration tower outlet bypass supercharging plume wash mill, comprise desulfurizing tower top vent, air-introduced machine and the chimney arranged, former smoke chamber, neat stress room from top to bottom, the delivery outlet of described desulfurizing tower top vent is connected with the air inlet of air-introduced machine by induced duct, the air outlet of air-introduced machine passes into former smoke chamber inner by induced duct, the bottom of described neat stress room is filled with cleaning solution, be provided with some neat stress tedges between the top board of described former smoke chamber and base plate, make to be connected between chimney and neat stress room; The top board bottom of described neat stress room is provided with some former flue gas adjutages, the smoke chamber suitable for reading and former of every only former flue gas adjutage communicates, end opening is immersed into cleaning solution inside, the ammonia-containing exhaust exported by desulfurizing tower top vent during work is introduced into former smoke chamber by induced duct, enter cleaning solution washing through former flue gas adjutage again, the chimney entering plume wash mill top finally by neat stress tedge is discharged.
In above-mentioned ammonia process desulfuration tower outlet bypass supercharging plume wash mill, neat stress tedge and the dislocation of former flue gas adjutage are arranged.
In above-mentioned ammonia process desulfuration tower outlet bypass supercharging plume wash mill, former smoke chamber, neat stress room, neat stress tedge and former flue gas adjutage all adopt stainless steel to make.
In above-mentioned ammonia process desulfuration tower outlet bypass supercharging plume wash mill, air-introduced machine is provided with two, opens one for one.
The technique effect that the utility model has is as follows:
The utility model device is without the need to transforming desulfurizing tower, as long as draw an airduct at desulfurizing tower top vent place, with air-introduced machine, tail gas is passed in plume wash mill, ammonia in tail gas and ammonium bisulfite is absorbed by the cleaning solution in wash mill, ingeniously sulphur ammonia in plume is utilized to be soluble in the characteristic of cleaning solution, make gas immerse cleaning solution and produce " bath in a tub " effect, solve ammonia efficiently and sulphur ammonium is difficult to absorbed chronic illness.
The utility model mentality of designing is ingenious, simple and practical, and investment cost is low, and without the need to carrying out large transformation to former desulfurizing tower, and the insertion depth entering the injection pipe of plume wash mill can according to the concentration flexible modulation of aerosol particle.When tail gas carrying liquid is after cleaning serious or pressure head is not enough, axial flow machine can be increased at plume wash mill top.
The utility model is by the pressurized effect of bypass blower fan, exacerbate the diffusion velocity of cleaning solution and tail gas, gas-liquid mass transfer reaction is very violent, substantially increase the assimilation effect of ammonia and ammonium bisulfite, decrease the ammonia of aerosol form and the escape of ammonium bisulfite, remove ammonia and ammonium bisulfite efficiency reaches more than 95%, solving while ammonia and sulphur ammonium pollute, recyclable ammonium salt, effects of energy saving and emission reduction is remarkable.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment.
Fig. 2 is the two-dimensional structure schematic diagram of this embodiment device.
In accompanying drawing, the title of each number designation respectively: 1-chimney; 2-neat stress tedge; The former smoke chamber of 3-; 4-neat stress room; The former flue gas adjutage of 5-; 6-cleaning solution; Cannelure bubbling area in 7-cleaning solution; 8-desulfurizing tower top vent; 9-air-introduced machine.
Detailed description of the invention
As Figure 1-Figure 2, ammonia process desulfuration tower described in the utility model outlet bypass supercharging plume wash mill comprises desulfurizing tower top vent 8, air-introduced machine 9, induced duct and the chimney 1 arranged, former smoke chamber 3, neat stress room 4 from top to bottom, desulfurizing tower top vent 8 is vented and is drawn by induced duct from its top, through air-introduced machine 9, tail gas is sent in wash mill, the bottom of neat stress room 4 is filled with cleaning solution 6, be provided with some neat stress tedges 2 between the top board of former smoke chamber 3 and base plate, make to be connected between chimney 1 and neat stress room 4; The top board bottom of neat stress room 4 is provided with some former flue gas adjutages 5, the smoke chamber 3 suitable for reading and former of every only former flue gas adjutage 5 communicates, it is inner that end opening is immersed into cleaning solution 6, the fume gases that desulfurizing tower top vent 8 exports first sends into former smoke chamber 3 by air-introduced machine 9 through induced duct, enter cleaning solution 6 by former flue gas adjutage 5 again to wash, enter chimney finally by neat stress tedge 2 and discharge.Air-introduced machine 9 arranges two, opens one for one.
Neat stress tedge 2 and former flue gas adjutage 4 misplace and arrange, the ammonia-containing exhaust of discharging from desulfurizing tower top vent 8 enters former smoke chamber 3, and enters plume washing components along former flue gas adjutage 5.Former flue gas adjutage 5 immerses through neat stress room 4 (not contacting), its import is connected with former smoke chamber 3, below the liquid level of outlet cannelure bubbling area in cleaning solution, tail gas cannelure bubbling area 7 in cleaning solution fully contacts with cleaning solution, in cleaning solution liquid phase and tail gas, the ammonia of aerosol form and ammonium bisulfite gas phase surface contact absorb, break aerocolloidal closed state, make absorption continue to carry out, Purge gas rises.
Purified gas after washing rises to the above neat stress room 4 of liquid level, arrive plume wash mill top chimney 1 by neat stress tedge 2 to discharge, neat stress tedge 2 is non-contiguously through former smoke chamber 3, and import communicates with neat stress room 4, and outlet communicates with plume wash mill top chimney 1.
The core component of this wash mill all adopts special stainless steel manufacture, and the installation of core component carries out Assembling after wash mill housing installation in position, changes SR and absorption efficiency by the relative position adjusting core component.Flue gas carries out " bath in a tub " washing in cleaning solution, and namely former flue gas bubbling completes mass transfer reaction through cleaning solution, and the ammonia in former flue gas and ammonium bisulfite are absorbed.Dust bubbling mainly comes from air-introduced machine 9 through the power of cleaning solution, when neat stress band liquid is after cleaning serious or pressure head is not enough, can increase axial flow blower at wash mill top.
Claims (3)
1. an ammonia process desulfuration tower outlet bypass supercharging plume wash mill, it is characterized in that: comprise desulfurizing tower top vent (8), air-introduced machine (9) and the chimney (1) arranged from top to bottom, former smoke chamber (3), neat stress room (4), the delivery outlet of described desulfurizing tower top vent (8) is connected by the air inlet of induced duct with air-introduced machine (9), the air outlet of air-introduced machine (9) passes into former smoke chamber (3) inner by induced duct, the bottom of described neat stress room (4) is filled with cleaning solution (6), some neat stress tedges (2) are provided with between the top board of described former smoke chamber (3) and base plate, make to be connected between chimney (1) and neat stress room (4), the top board bottom of described neat stress room (4) is provided with some former flue gas adjutages (5), the smoke chamber (3) suitable for reading and former of every only former flue gas adjutage (5) communicates, and it is inner that end opening is immersed into cleaning solution (6).
2. ammonia process desulfuration tower outlet bypass supercharging plume wash mill according to claim 1, is characterized in that: described neat stress tedge (2) and former flue gas adjutage (5) dislocation arrangement.
3. ammonia process desulfuration tower outlet bypass supercharging plume wash mill according to claim 1, is characterized in that: described former smoke chamber (3), neat stress room (4), neat stress tedge (2) and former flue gas adjutage (5) all adopt stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099154.0U CN204485622U (en) | 2015-02-11 | 2015-02-11 | Ammonia process desulfuration tower outlet bypass supercharging plume wash mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099154.0U CN204485622U (en) | 2015-02-11 | 2015-02-11 | Ammonia process desulfuration tower outlet bypass supercharging plume wash mill |
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| CN204485622U true CN204485622U (en) | 2015-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327735A (en) * | 2019-08-12 | 2019-10-15 | 中石化炼化工程（集团）股份有限公司 | Desulfurization fume after-treatment device, method and wet desulfurization system |
-
2015
- 2015-02-11 CN CN201520099154.0U patent/CN204485622U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327735A (en) * | 2019-08-12 | 2019-10-15 | 中石化炼化工程（集团）股份有限公司 | Desulfurization fume after-treatment device, method and wet desulfurization system |
| CN110327735B (en) * | 2019-08-12 | 2021-11-19 | 中石化炼化工程（集团）股份有限公司 | Desulfurization flue gas post-treatment device and method and wet desulfurization system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151207 Address after: 1 Building No. 710075, A District, greenbelt Century City, Xi'an high tech Zone, Shaanxi, 10201 Patentee after: XI'AN TONGDA TECHNOLOGY CO., LTD. Address before: 710075, building 1, building A, greenbelt Century City, No. 1 Kam Road, Xi'an, Shaanxi, 10202 Patentee before: Xi'an Tongda Industrial Co., Ltd. |