CN203963977U - The ammonia desulfuration equipment of smoke treatment desulfurization band liquid - Google Patents
The ammonia desulfuration equipment of smoke treatment desulfurization band liquid Download PDFInfo
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- CN203963977U CN203963977U CN201420317413.8U CN201420317413U CN203963977U CN 203963977 U CN203963977 U CN 203963977U CN 201420317413 U CN201420317413 U CN 201420317413U CN 203963977 U CN203963977 U CN 203963977U
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- smoke
- absorption tower
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Abstract
The utility model belongs to the ammonia desulfuration equipment of smoke treatment desulfurization band liquid, comprise boiler smoke pipeline and ammonia storage tank, flue is connected with the import of venturi by the exhaust gases passes in smoke evaporative device, the import of the spray equipment that ammonia storage tank arranges with venturi internal upper part by circulating pump is connected, the outlet of venturi is connected with the import of smoke absorption tower, smoke absorption tower inside is by being provided with successively spiral board under upper, spray irrigation device, high efficient gas and liquid separator and demister, smoke absorption tower side wall between high efficient gas and liquid separator and demister is provided with the import of smoke absorption tower, the gas vent of smoke absorption top of tower is connected with chimney breast, have that equipment is simple, easy to maintenance, operational reliability is good, the advantage that desulphurization cost and by-products recoveries are low.
Description
Technical field
The utility model belongs to environmental protection equipment technical field, is specifically related to a kind of obvious heat of smoke comprehensive utilization, the ammonia desulfuration equipment of the smoke treatment desulfurization band liquid that the entrained drip in flue gas removes and recycles.
Background technology
Ammonia flue gas desulfurization technique is to utilize ammonia to absorb the sulfur dioxide in flue gas, and its reaction is solution-air or gas-gas-phase reaction, and reaction speed is fast, and absorbent utilization rate is high, and absorption equipment volume is little.But when the ammonia process of desulfurization is applied to the desulfurization of fire coal boiler fume, existing all kinds of technology ubiquities that ammonia consumption is high, aerosol is difficult to the problems such as elimination, absorption liquid Crystallization Plugging, flue gas entrained drip.Because ammonia type flue gas desulfurizing is to generate ammonium sulfate with the sulfur dioxide that ammonia absorbs in flue gas, after concentrated, use air oxidation, flue gas is through contact absorption liquid, cause entrained drip in flue gas, drop contains moisture, ammonium sulfite, ammonium sulfate, ammoniacal liquor, flue dust etc., ammonium sulfite, ammonium sulfate, at pipeline, flue, chimney intercrystalline, cause the equipment such as pipeline, flue, chimney, facility burn into stop up.Meanwhile, process chimney in atmosphere, pollutes surrounding enviroment with fume emission.The existence of these problems makes the enforcement of ammonia-process desulfurization technique run into very large obstacle.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, and provide, a kind of equipment is simple, easy to maintenance, operational reliability is good, the ammonia desulfuration equipment of the smoke treatment desulfurization band liquid that desulphurization cost and by-products recoveries are low.
The purpose of this utility model is achieved in that and comprises boiler smoke pipeline and ammonia storage tank, flue is connected with the import of venturi by the exhaust gases passes in smoke evaporative device, the import of the spray equipment that ammonia storage tank arranges with venturi internal upper part by circulating pump is connected, the outlet of venturi is connected with the import of smoke absorption tower, smoke absorption tower inside is by being provided with successively spiral board under upper, spray irrigation device, high efficient gas and liquid separator and demister, smoke absorption tower side wall between high efficient gas and liquid separator and demister is provided with the import of smoke absorption tower, the gas vent of smoke absorption top of tower is connected with chimney breast, smoke absorption tower side wall between demister bottom and smoke absorption tower bottom is provided with smoke absorption tower liquid outlet, smoke absorption tower liquid outlet is connected with the second ammonia pump with the first ammonia pump respectively by pipeline, described the first ammonia pump is connected with the import of spray irrigation device by pipeline, described the second ammonia pump is connected with oxidator by air ejector, the liquid outlet of oxidator bottom is connected with the ammonium sulfate passage in smoke evaporative device by ammonium sulfate liquor pump, ammonium sulfate passage is connected with the sulphur ammonium passage in smoke evaporative device by centrifuge, described sulphur ammonium passage is connected with finished product sulphur ammonium storage tank, the overfall of described centrifuge is connected with the slurry reflux mouth on oxidator top.
Described smoke evaporative device comprises exhaust gases passes, and exhaust gases passes is provided with copper alloy heat exchange wing, and the two ends of copper alloy heat exchange wing are connected with sulphur ammonium passage with ammonium sulfate passage respectively.
The structure of described high efficient gas and liquid separator comprises top circuit and lower support beam, and the center of top circuit is provided with center connecting plate, is provided with some baffle plate type demist deflectors between described center connecting plate and smoke absorption tower; Lower support beam comprises annular brace beam, between annular brace beam and smoke absorption tower, is provided with reinforcement, and described reinforcement is four, and the top of described top circuit is provided with high-density wear-resistant PP Ball-type packing layer.
Described baffle plate type demist deflector is made up of the upper strata deflector of horizontally set and lower floor's deflection plate of longitudinally setting, and the knuckle at lower floor's deflection plate middle part is 30～45 degree, and described upper strata deflector and lower floor's deflection plate are structure as a whole.
Spacing between described some baffle plate type demist deflectors is 30～40cm, and the diameter of high-density wear-resistant PP Ball-type packing is 45～55cm.
The material of described top circuit and lower support beam is 316L stainless steel.
Spacing between described some baffle plate type demist deflectors is 35cm; The diameter of described high-density wear-resistant PP Ball-type packing is 50cm.
The ammonia desulfuration equipment of the smoke treatment desulfurization band liquid of making according to such scheme, overcome traditional concept and thought that flue gas is difficult to pass thermal property by smoke evaporative device is set, utilize flue gas on the one hand doctor solution to be evaporated, lowered the temperature, utilize on the other hand flue gas to be dried finished product sulphur ammonium, reduce the use of drier, thereby further reduced operating cost; A large amount of steam (generally consuming vapour 1.5～2.0t/t sulphur ammonium) that traditional ammonia desulfurizing process consumes in the time producing ammonium sulfate post processing are saved greatly, ensureing under normal desulfurization efficiency prerequisite, not only save investment but also greatly reduced operating cost, and do not use drier, thereby further reduced the cost of operation; In addition by high efficient gas and liquid separator is set, can meet the scope of boiler load 40%-200%, wide accommodation, increase spherical demist filler simultaneously, utilize the thrust of flue gas to promote spheroid rotation and revolution, increase contact area and the time of contact of gas-liquid and spherical demist filler, fully separating flue and the drop carried secretly, has overcome traditional demister and can not well remove the problem of cigarette gas carrying liquid; In addition the utility model, by using venturi, makes to absorb spray section sectional area relatively little, and gas-liquid contact is abundant, can make absorption liquid absorb the hazardous medium in flue gas completely, reaches the object that removes hazardous medium; And because gas-liquid contact is abundant, can make gas further obtain washing, purifying, smoke absorption tower absorbs the secondary spray of spray section, can be good at utilizing not ammoniacal liquor and the imonium liquid of complete reaction, reduce on the one hand the ammonia consumption of traditional ammonia desulfurizing process, save cost, more thoroughly absorbed on the other hand the hazardous medium in flue gas; Have that equipment is simple, easy to maintenance, operational reliability is good, the advantage that desulphurization cost and by-products recoveries are low.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of the utility model high efficient gas and liquid separator;
Fig. 3 is the A-A view of Fig. 2;
Fig. 4 is the lower support girder construction schematic diagram of the utility model high efficient gas and liquid separator bottom.
Detailed description of the invention
As Fig. 1, 2, 3, shown in 4, the utility model comprises boiler smoke pipeline 1 and ammonia storage tank 2, flue 1 is connected with the import of venturi 6 by the exhaust gases passes 3 in smoke evaporative device, the import of the spray equipment 5 that ammonia storage tank 2 arranges with venturi 6 internal upper parts by circulating pump 10 is connected, the outlet of venturi 6 is connected with smoke absorption tower import 18, smoke absorption tower 16 inside are by being provided with successively spiral board 15 under upper, spray irrigation device 4, high efficient gas and liquid separator and demister 14, smoke absorption tower 16 sidewalls between high efficient gas and liquid separator and demister 14 are provided with smoke absorption tower import 18, the gas vent at smoke absorption tower 16 tops is connected with chimney breast 19, smoke absorption tower 16 sidewalls between demister 14 bottoms and smoke absorption tower 16 bottoms are provided with smoke absorption tower liquid outlet 20, smoke absorption tower liquid outlet 20 is connected with the second ammonia pump 12 with the first ammonia pump 11 respectively by pipeline, described the first ammonia pump 11 is connected with the import of spray irrigation device 4 by pipeline, described the second ammonia pump 12 is connected with oxidator 8 by air ejector 7, the liquid outlet of oxidator 8 bottoms is connected with the ammonium sulfate passage 21 in smoke evaporative device by ammonium sulfate liquor pump 13, ammonium sulfate passage 21 is connected with the sulphur ammonium passage 22 in smoke evaporative device by centrifuge 9, described sulphur ammonium passage 22 is connected with finished product sulphur ammonium storage tank 23, the overfall of described centrifuge 9 is connected with the slurry reflux mouth 17 on oxidator 8 tops.Described smoke evaporative device comprises exhaust gases passes 3, and exhaust gases passes 3 is provided with copper alloy heat exchange wing 24, and the two ends of copper alloy heat exchange wing 24 are connected with sulphur ammonium passage 22 with ammonium sulfate passage 21 respectively.The structure of described high efficient gas and liquid separator comprises top circuit and lower support beam, and the center of top circuit is provided with center connecting plate 25, is provided with some baffle plate type demist deflectors 26 between described center connecting plate 25 and smoke absorption tower 16; Lower support beam comprises annular brace beam 27, between annular brace beam 27 and smoke absorption tower 16, is provided with reinforcement 28, and described reinforcement 28 is four, and the top of described top circuit is provided with high-density wear-resistant PP Ball-type packing layer 29.Described baffle plate type demist deflector 26 is made up of the upper strata deflector 30 of horizontally set and lower floor's deflection plate 31 of longitudinally setting, and the knuckle at lower floor's deflection plate 31 middle parts is 30～45 degree, and described upper strata deflector 30 is structure as a whole with lower floor's deflection plate 31.Spacing between described some baffle plate type demist deflectors 26 is 30～40cm, and the diameter of high-density wear-resistant PP Ball-type packing is 45～55cm.The material of described top circuit and lower support beam is 316L stainless steel.Spacing between described some baffle plate type demist deflectors 26 is 35cm; The diameter of described high-density wear-resistant PP Ball-type packing is 50cm.
A technique for the ammonia desulfuration equipment of smoke treatment desulfurization band liquid, comprises the steps:
One, boiler smoke is sent in the exhaust gases passes 3 in smoke evaporative device by boiler smoke pipeline 1, its flue-gas temperature is 120～160 DEG C, exhaust gases passes 3 in smoke evaporative device carries out heat exchange by copper alloy heat exchange wing 24 and ammonium sulfate passage 21 and sulphur ammonium passage 22, and the flue-gas temperature after heat exchange is 55～75 DEG C;
Two, the ammoniacal liquor in ammonia storage tank 2 enters by circulating pump 10 in the spray equipment 5 of venturi 6 internal upper parts;
Three, be that the flue gas of 55～75 DEG C carries out one-level gas liquid reaction in venturi 6 by temperature in the ammoniacal liquor spraying by spray equipment 5 in above-mentioned steps two and step 1, generate ammonium sulfite solution, its SO
xreactivity is 90～98%;
Four, ammonium sulfite solution in step 3 is entered in smoke absorption tower 16 by smoke absorption tower import 18, and by after demister 14, isolate ammonium sulfite solution and flue gas, wherein, ammonium sulfite solution enters the bottom of smoke absorption tower 16, and enter respectively the first ammonia pump 11 and the second ammonia pump 12 by smoke absorption tower liquid outlet 20, the ammonium sulfite solution that enters the first ammonia pump 11 enters in smoke absorption tower 16 by spray irrigation device 4, make in ammonium sulfite solution not isolated flue gas in the ammonia of complete reaction and step 4 carry out secondary gas liquid reaction, after secondary gas liquid reaction, generate ammonium sulfite,
Five, in described step 4, the ammonium sulfite after secondary gas liquid reaction passes through demister 14, again isolate secondary liquid phase part and secondary gas phase part, secondary gas phase part enters in chimney breast 19 by high efficient gas and liquid separator and spiral board 15, finally enter atmosphere by chimney, now the temperature of secondary gas phase part is 45～60 DEG C, and the smoke content of secondary gas phase part is less than or equal to 25mg/Nm
3, the droplet content of secondary gas phase part is less than or equal to 60mg/Nm
3;
Six, the secondary liquid phase part in above-mentioned steps five enters the bottom of smoke absorption tower 16 and mixes with isolated ammonium sulfite solution in step 4, become mix after liquid phase part;
Seven, in above-mentioned steps six, mixed liquid phase part enters in the first ammonia pump 11 and the second ammonia pump 12 by pipeline;
Eight, in above-mentioned steps seven, enter the mixed liquid phase part of the first ammonia pump 11 and again enter in smoke absorption tower 16 by spray irrigation device 4, recycle;
Nine, the mixed liquid phase part in above-mentioned steps seven is measured proportion through manual sampling, after reaching 1.08～1.14, this mixed liquid phase part enters in oxidator 8 by air ejector 7 through the second ammonia pump 12, when mixed liquid phase part becomes ammonium sulfate with air catalytic oxidation during by air ejector 7;
Ten, in above-mentioned steps nine, the ammonium sulfate in oxidator 8 enters in the ammonium sulfate passage 21 in smoke evaporative device by ammonium sulfate liquor pump 13;
11, the ammonium sulfate entering in above-mentioned steps ten in ammonium sulfate passage 21 carries out heat exchange concentrate by the copper alloy heat exchange wing 24 in step 1, and the solid content volume ratio of the ammonium sulfate after heat exchange concentrate is 25～55%;
12, make the ammonium sulfate after heat exchange concentrate in above-mentioned steps 11 enter centrifuge 9, the isolated sulphur crystalline ammonium of centrifuge 9 body enters in sulphur ammonium passage 22, and isolated slurries are entered in oxidator 8 and recycled by slurry reflux mouth 17;
13, making to enter in above-mentioned steps 12 copper alloy heat exchange wing 24 in sulphur crystalline ammonium body and the step 1 in sulphur ammonium passage 22, to carry out heat exchange dry, and dried sulphur crystalline ammonium body enters in finished product sulphur ammonium storage tank 23.
Claims (7)
1. the ammonia desulfuration equipment of a smoke treatment desulfurization band liquid, comprise boiler smoke pipeline (1) and ammonia storage tank (2), it is characterized in that: flue (1) is connected with the import of venturi (6) by the exhaust gases passes in smoke evaporative device (3), the import of the spray equipment (5) that ammonia storage tank (2) arranges with venturi (6) internal upper part by circulating pump (10) is connected, the outlet of venturi (6) is connected with smoke absorption tower import (18), smoke absorption tower (16) is inner by being provided with successively spiral board (15) under upper, spray irrigation device (4), high efficient gas and liquid separator and demister (14), smoke absorption tower (16) sidewall between high efficient gas and liquid separator and demister (14) is provided with smoke absorption tower import (18), the gas vent at smoke absorption tower (16) top is connected with chimney breast (19), smoke absorption tower (16) sidewall between demister (14) bottom and smoke absorption tower (16) bottom is provided with smoke absorption tower liquid outlet (20), smoke absorption tower liquid outlet (20) is connected with the second ammonia pump (12) with the first ammonia pump (11) respectively by pipeline, described the first ammonia pump (11) is connected with the import of spray irrigation device (4) by pipeline, described the second ammonia pump (12) is connected with oxidator (8) by air ejector (7), the liquid outlet of oxidator (8) bottom is connected with the ammonium sulfate passage (21) in smoke evaporative device by ammonium sulfate liquor pump (13), ammonium sulfate passage (21) is connected with the sulphur ammonium passage (22) in smoke evaporative device by centrifuge (9), described sulphur ammonium passage (22) is connected with finished product sulphur ammonium storage tank (23), the overfall of described centrifuge (9) is connected with the slurry reflux mouth (17) on oxidator (8) top.
2. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 1, it is characterized in that: described smoke evaporative device comprises exhaust gases passes (3), exhaust gases passes (3) is provided with copper alloy heat exchange wing (24), and the two ends of copper alloy heat exchange wing (24) are connected with sulphur ammonium passage (22) with ammonium sulfate passage (21) respectively.
3. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 1, it is characterized in that: the structure of described high efficient gas and liquid separator comprises top circuit and lower support beam, the center of top circuit is provided with center connecting plate (25), between described center connecting plate (25) and smoke absorption tower (16), is provided with some baffle plate type demist deflectors (26); Lower support beam comprises annular brace beam (27), between annular brace beam (27) and smoke absorption tower (16), be provided with reinforcement (28), described reinforcement (28) is four, and the top of described top circuit is provided with high-density wear-resistant PP Ball-type packing layer (29).
4. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 3, it is characterized in that: described baffle plate type demist deflector (26) is made up of the upper strata deflector (30) of horizontally set and lower floor's deflection plate (31) of longitudinally setting, the knuckle at lower floor's deflection plate (31) middle part is 30～45 degree, and described upper strata deflector (30) is structure as a whole with lower floor's deflection plate (31).
5. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 3, it is characterized in that: the spacing between described some baffle plate type demist deflectors (26) is 30～40cm, the diameter of high-density wear-resistant PP Ball-type packing is 45～55cm.
6. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 3, is characterized in that: the material of described top circuit and lower support beam is 316L stainless steel.
7. the ammonia desulfuration equipment of smoke treatment desulfurization band liquid according to claim 5, is characterized in that: the spacing between described some baffle plate type demist deflectors (26) is 35cm; The diameter of described high-density wear-resistant PP Ball-type packing is 50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317413.8U CN203963977U (en) | 2014-06-16 | 2014-06-16 | The ammonia desulfuration equipment of smoke treatment desulfurization band liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317413.8U CN203963977U (en) | 2014-06-16 | 2014-06-16 | The ammonia desulfuration equipment of smoke treatment desulfurization band liquid |
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| Publication Number | Publication Date |
|---|---|
| CN203963977U true CN203963977U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420317413.8U Withdrawn - After Issue CN203963977U (en) | 2014-06-16 | 2014-06-16 | The ammonia desulfuration equipment of smoke treatment desulfurization band liquid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061580A (en) * | 2014-06-16 | 2014-09-24 | 河南心连心化肥有限公司 | Ammonia desulphurization device for treating flue gas desulphurization and process thereof |
| CN104560223A (en) * | 2014-12-11 | 2015-04-29 | 南京中电环保科技有限公司 | Gas desulfurization device and method thereof |
| CN114593433A (en) * | 2022-05-10 | 2022-06-07 | 南通隆辉环保科技有限公司 | Intelligent control dangerous flue gas treatment equipment |
-
2014
- 2014-06-16 CN CN201420317413.8U patent/CN203963977U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061580A (en) * | 2014-06-16 | 2014-09-24 | 河南心连心化肥有限公司 | Ammonia desulphurization device for treating flue gas desulphurization and process thereof |
| CN104061580B (en) * | 2014-06-16 | 2016-11-23 | 河南心连心化肥有限公司 | Process ammonia desulfuration equipment and the technique thereof of flue gas desulfurization band liquid |
| CN104560223A (en) * | 2014-12-11 | 2015-04-29 | 南京中电环保科技有限公司 | Gas desulfurization device and method thereof |
| CN104560223B (en) * | 2014-12-11 | 2017-01-04 | 南京中电环保科技有限公司 | A kind of gas desulfurizer and method thereof |
| CN114593433A (en) * | 2022-05-10 | 2022-06-07 | 南通隆辉环保科技有限公司 | Intelligent control dangerous flue gas treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |