CN201357045Y - Desulfurization tower for ammonia crystallization in empty tower - Google Patents
Desulfurization tower for ammonia crystallization in empty tower Download PDFInfo
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- CN201357045Y CN201357045Y CNU2008202338949U CN200820233894U CN201357045Y CN 201357045 Y CN201357045 Y CN 201357045Y CN U2008202338949 U CNU2008202338949 U CN U2008202338949U CN 200820233894 U CN200820233894 U CN 200820233894U CN 201357045 Y CN201357045 Y CN 201357045Y
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Abstract
The utility model relates to a desulfurization tower for ammonia crystallization in an empty tower, which belongs to the technical field of the environmental protection equipment, and comprises a tower body. The inner bottom of a cavity in the tower body is provided with an air aeration pipe; the middle part of the tower is provided with a fume inlet; the upper part of the tower is provided with a circulating slurry spraying layer and a multi-level defogging layer from the bottom to the top; the top part of the tower is provided with a direct dehumidification chimney; the desulfurization tower also comprises a slurry circulating system which is connected with the circulating slurry spraying layer, a flushing water supply device which is connected with a defogging pipe inlet of the multi-level defogging layer, and a fan which is connected with the air aeration pipe; the inner bottom of the cavity in the tower body is also provided with a hydraulic mixing pipe and a hydraulic mixing system which is communicated with the hydraulic mixing pipe; and the position with the fume inlet is also provided with a fume spray cooling device. The utility model reduces the cost of the equipment investment, saves the energy and the operating cost, decreases the leakage points, reduces the amount of maintenance, and completely solves the blockage problem during the crystallization in the tower.
Description
Technical field
The utility model belongs to environmental protection equipment, particularly a kind of structural design that is used for in-hollow column intercrystalline ammonia process of desulfurization tower that sulfur in smoke is removed and recycles.
Background technology
Traditional crystallization inside tower desulfur technology mainly adopts Double-Tower Structure and single tower packing tower structure.The former main defective is that used device cost of Double-Tower Structure is big, and the unit's of causing desulphurization cost is too high, because of the gas entrained liquids more serious.Little in the condition that does not increase wet scrubber, the purpose of the concentration difference that two towers of very difficult realization are very big.Needing increases wet scrubber, and not only equipment cost increases greatly, and the desulphurization system pressure drop is increased, and also increases power consumption and maintenance cost simultaneously.The latter is single tower structure on technology, in one-sided reduction equipment cost.Brought new problem, the pressure drop of packed tower own is bigger than normal, causes the flue gas system resistance to raise, and makes power consumption increase in the desulfurizer running.When reducing equipment investment, but increased operating cost.Because of technology is crystallization inside tower technology, the purpose of using filler is to increase gas-liquid contact time, to reach desulfuration efficiency.Because of the existence of crystallization inside tower, inevitably cause the obstruction of filler, thereby singly do not greatly reduce the contact area of reaction, also increased flue gas resistance.And stop up the back and safeguard quite difficulty, having relatively high expectations simultaneously operation.
Traditional desulfurizing tower adopts the side direction stirring technique.Subject matter is the equipment investment cost height, and maintenance load is big.
Summary of the invention
The purpose of this utility model is for overcoming the weak point of prior art, design a kind of hollow-spraying-tower Tata intercrystalline desulfurizing tower, the utility model integrate flue gas cooling, washing, absorption, dehydration, demist, oxidation, concentrate, crystallization etc. is multi-functional, not only reduced equipment investment cost, energy efficient, operating cost, and thoroughly solved the blockage problem of crystallization inside tower.
The in-hollow column intercrystalline ammonia process of desulfurization tower that the utility model proposes, it is characterized in that, this desulfurizing tower comprises that tower body and the bottom in the tower body internal cavity are provided with the air aeration pipe, the gas approach that is provided with at the tower middle part, the loop slurry spraying layer that is provided with from bottom to top on tower top, multistage demist layer, have in line wet chimney at top of tower, also comprise the slurries circulatory system that links to each other with the loop slurry spraying layer, the flushing water water supply installation that links to each other with the demist tube inlet of multistage demist layer, the blower fan that links to each other with the air aeration pipe; Bottom in the described tower body internal cavity also is provided with the fluid power stirring pipe, the fluid power stirring system that is connected with the fluid power stirring pipe, and described gas approach place also is equipped with flue gas spraying cooling device.
Characteristics of the present utility model and effect:
The utility model is not provided with packing layer and adopts hollow-spraying-tower to absorb.Oxidation and crystallization in the absorption liquid tower.Make pressure drop reach minimum.Slurries are saturated separating out in tower.Energy consumes when reducing the recovery of slurries product.The fluid power agitating device is set at the bottom of the tower.Prevent crystal deposition, and thoroughly solved the blockage problem of crystallization inside tower.
Description of drawings
Fig. 1 is a structural representation of the present utility model
The specific embodiment
The embodiment of in-hollow column intercrystalline ammonia process of desulfurization tower of the present utility model is 4 * 75t/h+1 * 35t/h ammonia process of desulfurization tower.
The structure of present embodiment as shown in Figure 1, comprise tower body and the fluid power stirring pipe 1 and the air aeration pipe 2 of bottom setting in the tower body internal cavity, gas approach 3 that is provided with at the tower middle part and the flue gas spraying cooling device 4 that is installed in this import, the loop slurry spraying layer 5 that is provided with from bottom to top on tower top, fresh water (FW) spraying layer 6, multistage demist layer 7, have in line wet chimney 8 at top of tower, comprise that also design is at the outside fluid power stirring system 9 that is connected with fluid power stirring pipe 1 of tower body, the shower water circulatory system 10 that links to each other with circulated sprinkling layer 5, fresh water (FW) (water for industrial use) water supply installation 11 that links to each other with the shower water inlet of fresh water (FW) spraying layer 6, the flushing water water supply installation 12 that links to each other with the demist tube inlet of multistage demist layer 7, the blower fan 13 that links to each other with the air aeration pipe, the confession ammonia device 18 that links to each other with fluid power stirring system 9.
Above-mentioned each building block of present embodiment all adopts the conventional products of this area to assemble.
Each functions of components of present embodiment and structure are respectively described below:
The desulfurizing tower of present embodiment adopts void tower structure (can adopt high 22-30 rice, diameter 2.8-9 rice tower body), is provided with aeration oxidation distributor pipe at tower bottom, and the outer fluid power stirring system (Roots's oxidation fan) of its aerator and tower connects by pipeline; Circulation fluid is from the desulfurizing tower bottom in the fluid power stirring distributor pipe; By injecting the bottom of desulfurizing tower after the slurries sucking-off in the disturbance pump use tower, the fluid power stirring pipe adopts the capable distribution of shark's fin at tower bottom, the outlet of liquid agitation pipe is downward, and liquid agitation pipe exit velocity is 3～6m/s, and the stirring pipe outlet is 300～2000mm apart from tower bottom.Play the effect that disturbance prevents ammonium sulfate crystal grain precipitation.Top is provided with the loop slurry outlet, is the air aeration pipe on the top of loop slurry outlet.Oxidation air generates ammonium sulfate in the reaction of air aeration Guan Zhongyu ammonium sulfite solution and recycles.The ammonia device that supplies of ammonification can reduce the escape of ammonia effectively under the liquid.
For flue gas is evenly distributed in the desulfurizing tower, the tower middle part is a gas approach simultaneously, and gas approach is flat, simultaneously downward-sloping 5～15 degree angles; Help the even distribution of flue gas in tower like this.Be provided with the spraying cooling device at the smoke inlet place, make flue gas just fully cooling before entering desulfurizing tower, reach optimum temperature 55～70 degree of the ammonia process of desulfurization, better improve desulfuration efficiency, reduce liquid-gas ratio, energy efficient.The water of cooling usefulness is supplied with by the outer technology water pump of tower, links to each other with gas approach, and flue entrance spray place adopts alloy anticorrosion.
The slurries of loop slurry spraying layer (present embodiment is provided with 1 ~ 4 layer of circulated sprinkling layer) connect by circulation absorption pump and tower prime cement liquid phase.Circulating absorption solution adopts the mixed liquor of conventional ammonium sulfate, ammonium sulfite and ammonium bisulfite, behind this slurries process circulation absorption pump and the spray piping, sprays after nozzle atomization, is used to absorb sulfur in smoke; Flue gas is one deck fresh water (FW) spraying layer above the circulated sprinkling layer at this; Fresh water (FW) enters the fresh water (FW) spraying layer by the technology water pump; At gas approach top flue gas here by further humidifying cooling.
Fresh water (FW) spraying layer top is provided with two-stage baffle type mist eliminator and demister flusher thereof, removes the free water that carries in the flue gas, and demister rinse water arrangement water washes demister by pipeline and nozzle from the demister flush water pump; At the top of tower the smoke directly ventilating chimney is installed, chimney is high 30～60 meters, adopts that glass flake is anticorrosion directly to link to each other with atmosphere.
Claims (4)
1, a kind of in-hollow column intercrystalline ammonia process of desulfurization tower, it is characterized in that, this desulfurizing tower comprises that tower body and the bottom in the tower body internal cavity are provided with the air aeration pipe, the gas approach that is provided with at the tower middle part, the loop slurry spraying layer that is provided with from bottom to top on tower top, multistage demist layer have in line wet chimney at top of tower, also comprise the slurries circulatory system that links to each other with the loop slurry spraying layer, the flushing water water supply installation that links to each other with the demist tube inlet of multistage demist layer, the blower fan that links to each other with the air aeration pipe; Bottom in the described tower body internal cavity also is provided with the fluid power stirring pipe, the fluid power stirring system that is connected with the fluid power stirring pipe; Described gas approach place also is equipped with flue gas spraying cooling device.
2, desulfurizing tower as claimed in claim 1 is characterized in that: described fluid power stirring pipe adopts the capable distribution of shark's fin at tower bottom, and the outlet of fluid power stirring pipe is downward, and the stirring pipe outlet is 300～2000mm apart from tower bottom, and liquid agitation pipe exit velocity is 3～6m/s.
3, desulfurizing tower as claimed in claim 1 is characterized in that: also comprise the fresh water (FW) spraying layer that is arranged between loop slurry spraying layer and the multistage demist layer, the fresh water (FW) water supply installation that links to each other with the shower water inlet of fresh water (FW) spraying layer.
4, desulfurizing tower as claimed in claim 1 is characterized in that: also comprise the ammonia device that supplies that links to each other with described fluid power stirring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202338949U CN201357045Y (en) | 2008-12-31 | 2008-12-31 | Desulfurization tower for ammonia crystallization in empty tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202338949U CN201357045Y (en) | 2008-12-31 | 2008-12-31 | Desulfurization tower for ammonia crystallization in empty tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201357045Y true CN201357045Y (en) | 2009-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202338949U Expired - Lifetime CN201357045Y (en) | 2008-12-31 | 2008-12-31 | Desulfurization tower for ammonia crystallization in empty tower |
Country Status (1)
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| CN (1) | CN201357045Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716660A (en) * | 2012-07-10 | 2012-10-10 | 西安西矿环保科技有限公司 | Wet desulphurization absorption tower with multiple-effect turbulence system |
| CN105396448A (en) * | 2015-11-20 | 2016-03-16 | 宜宾海翔化工有限责任公司 | Alkali spraying system and operation method thereof |
| CN106287646A (en) * | 2016-08-25 | 2017-01-04 | 上海电力学院 | Collect the device of steam in flue gas |
| CN107198952A (en) * | 2017-06-23 | 2017-09-26 | 西安西热锅炉环保工程有限公司 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
| CN107252620A (en) * | 2017-07-19 | 2017-10-17 | 国家电投集团远达环保装备制造有限公司 | Dust-removal and desulfurizing demisting integrated apparatus |
-
2008
- 2008-12-31 CN CNU2008202338949U patent/CN201357045Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716660A (en) * | 2012-07-10 | 2012-10-10 | 西安西矿环保科技有限公司 | Wet desulphurization absorption tower with multiple-effect turbulence system |
| CN105396448A (en) * | 2015-11-20 | 2016-03-16 | 宜宾海翔化工有限责任公司 | Alkali spraying system and operation method thereof |
| CN106287646A (en) * | 2016-08-25 | 2017-01-04 | 上海电力学院 | Collect the device of steam in flue gas |
| CN107198952A (en) * | 2017-06-23 | 2017-09-26 | 西安西热锅炉环保工程有限公司 | The recycling system of mist eliminator flushing water in coal-burning power plant's wet desulfurization system |
| CN107252620A (en) * | 2017-07-19 | 2017-10-17 | 国家电投集团远达环保装备制造有限公司 | Dust-removal and desulfurizing demisting integrated apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Huanguan Technology Co., Ltd. Assignor: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. Contract fulfillment period: 2008.12.10 to 2014.8.10 Contract record no.: 2009370000380 Denomination of utility model: Desulfurization tower for ammonia crystallization in empty tower Granted publication date: 20091209 License type: Exclusive license Record date: 20090929 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.10 TO 2014.8.10; CHANGE OF CONTRACT Name of requester: SHANDONG HUANGGUAN SCIENCE CO., LTD. Effective date: 20090929 |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100096 Beijing City, Changping District Xisanqi bridge north gold Yanlong Building Room 301 Patentee after: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. Address before: 100085 room C, block C808, No. 9, 3rd Street, Beijing, Haidian District Patentee before: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100192, B, building 4, East Binhe Road, Qinghe, Beijing, Haidian District Patentee after: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. Address before: 100096 Beijing City, Changping District Xisanqi bridge north gold Yanlong Building Room 301 Patentee before: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Zhongda Nenghuan Engineering Technology Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |