CN208911809U - A kind of stable operation minimum discharge ammonia desulfuration equipment - Google Patents
A kind of stable operation minimum discharge ammonia desulfuration equipment Download PDFInfo
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- CN208911809U CN208911809U CN201821609685.XU CN201821609685U CN208911809U CN 208911809 U CN208911809 U CN 208911809U CN 201821609685 U CN201821609685 U CN 201821609685U CN 208911809 U CN208911809 U CN 208911809U
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Abstract
The utility model provides a kind of stable operation minimum discharge ammonia desulfuration equipment, belongs to ammonia-process desulfurization technique field.The ammonia desulfuration equipment, including desulfurizing tower, the desulfurizing tower are equipped with oxidation panel, enriching section, absorber portion, and smoke inlet is equipped between the oxidation panel and enriching section, and the enriching section is equipped with the first spray tube, recoil washing and spraying and inclined plate；The absorber portion is equipped with three-level spray tube and three-level absorption pump carries out absorption cycle spray, and the catch tray is connect with the second return pipe；The smoke inlet is equipped with crash protection, and the crash protection includes accident spray tube, and the accident spray tube is connect with process water total pipeline and technique water pump pipeline.Concentration and absorption function region are completely separable when the utility model normal operating, when failure, have sufficient space mutually to utilize, and both are guaranteeing function simultaneously, and the inspectable space both made gives full play to, and improve the utilization rate of device, ensure that equipment safety.
Description
Technical field
The utility model belongs to ammonia-process desulfurization technique field, and in particular to a kind of stable operation minimum discharge ammonia process of desulfurization dress
It sets.
Background technique
China is coal-fired and steel big producer, and the exhaust gas volumn of discharge is very huge, the SO in flue gas2Equal pollutants cause
Acid rain to the life of the mankind, environment, production activity generate influence be on the rise.In order to improve environmental quality, SO is controlled2's
Discharge amount, various sulfur removal technology technologies and equipment Development are rapid in recent years.Wherein, wet ammonia process desulfurizing technology be at present more at
The principle of one of ripe sulfur removal technology, flue gas desulfurization is: using alkaline desulfurizing agent and acidity SO2Gas carries out neutralization reaction,
The reaction is carried out in separation equipment, specifically, being completed in desulfurizing tower.
The ammonia process of desulfurization includes three specific reaction steps:
It absorbs: SO2+2NH3.H2O=(NH4)2SO3+H20
Oxidation: 2 (NH4)2SO3+O2=2 (NH4)2SO4
Crystallization: (NH4)2SO4(l)=(NH4)2SO4(s)
During carrying out the ammonia process of desulfurization in desulfurizing tower, desulfurizing tower is easy by factors such as flue-gas temperature, equipment faults
It influences and is unable to stable operation, and then influence the process and desulfurization quality of the ammonia process of desulfurization, therefore according to national flue gas minimum discharge
It is required that desulfurizing tower stable operation becomes current important process.
Utility model content
The utility model is solved and is taken off in the prior art by providing a kind of stable operation minimum discharge ammonia desulfuration equipment
In sulphur tower because temperature is excessively high is unable to stable operation the technical issues of, by taking multinomial technology to be able to ammonia process of desulfurization equipment
Stable operation.
To achieve the above object, the technical solution of the utility model is:
A kind of stable operation minimum discharge ammonia desulfuration equipment, including desulfurizing tower, the desulfurizing tower are successively set from the bottom to top
There are oxidation panel, enriching section, absorber portion, smoke inlet be equipped between the oxidation panel and enriching section,
The oxidation panel is set to above tower bottom absorbing liquid section；
The enriching section is equipped with the first spray tube, backwash and inclined plate, and first spray tube passes through concentrating pump and desulfurization
Condensing crystallizing slot connection outside tower, the condensing crystallizing slot top is equipped with overflow port, is connect by overflow pipe with mother liquor tank, described
Mother liquor tank and mother liquor pump connect, and the mother liquor pump is connect with condensing crystallizing slot and desulfurizing tower, and mother liquor is delivered to condensing crystallizing slot
Or desulfurizing tower；The inclined plate is connect with the first return pipe, and concentrate is sent to condensing crystallizing slot；
Catch tray is equipped between the absorber portion and enriching section, the absorber portion is equipped with three-level spray tube and three-level absorption pump
Absorption cycle spray is carried out, the catch tray is connect with the second return pipe, second return pipe and desulfurization tower bottom absorbing liquid
Section connection, makes absorbing liquid enter desulfurization tower bottom absorbing liquid section or oxidation panel；
The smoke inlet is equipped with crash protection, and the crash protection includes accident spray tube, the accident
Spray tube is equipped with guard valve, and the accident spray tube is connect with process water total pipeline and technique water pump pipeline.
Preferably, the condensing crystallizing slot and magma pump connect, and are pumped by magma and send sulphur ammonium slurries to ammonium sulfate device, institute
It states ammonium sulfate device to connect with mother liquor tank, sulphur ammonium liquid is transported to mother liquor tank.
Preferably, the mother liquor pump is connect with desulfurizing tower, and mother liquor is delivered to desulfurizing tower.
Preferably, the mother liquor pump is also connect with accident slot and filter press, and the filter press is connect with accident slot, by filtrate
It send to accident slot.
Preferably, the accident slot is pumped by accident and is connect with condensing crystallizing slot.
Preferably, the accident slot is pumped by accident and is connect with desulfurizing tower.
Preferably, the three-level spray tube from the bottom to top be respectively the second spray tube, third spray tube, the 4th spray tube,
Second spray tube, third spray tube, the 4th spray tube respectively be set to desulfurization tower bottom absorbing liquid section the first absorption pump,
Second absorption pump, the connection of third absorption pump.
Preferably, the enriching section is additionally provided with backwash spray tube, the backwash spray tube and the three-level spray tube
Connection, and back flush valves are respectively equipped in junction.
The beneficial effects of the utility model are:
1. concentration and absorption function region are completely separable when the utility model normal operating, when failure, there are enough skies
Between mutually utilize, both guaranteeing function simultaneously, the inspectable space both made gives full play to, and improves the utilization rate of device, protects
Equipment safety is demonstrate,proved.
2. the utility model designs crash protection at smoke inlet, temperature is more than and sets after flue gas enters desulfurizing tower
When counting index or enriching section spray equipment short-duration failure, the raising of enriching section temperature reaches 70 DEG C of Warning Index of design, guard valve
It automatically opens and carries out spraying cooling and alarm.
3. mother liquor tank, which is arranged, in the utility model is delivered to desulfurizing tower absorbing liquid section for mother liquor by mother liquor pump, recoil washing and spraying
Pipe is connect by three-level absorption pump with desulfurizing tower absorbing liquid section, to guarantee liquid systemic circulation, while guaranteeing that the liquid of backwash is flat
Weighing apparatus, temperature is excessively high in desulfurizing tower and when being difficult to lower, and opens back flush valves and cools down, desulfurizing tower can not stop
Fortune guarantees operation steady in a long-term.
4. the utility model is equipped with accident slot, for when mother liquor tank breaks down, providing conveying mother liquor to desulfurizing tower
With condensing crystallizing slot, guarantee the stable operation of ammonia method desulfurizing system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- desulfurizing tower；2- oxidation panel；3- enriching section；4- absorber portion；5- smoke inlet；6- tower bottom absorbing liquid section；7-
Concentrating pump；8- condensing crystallizing slot；9- overflow pipe；10- mother liquor tank；11- mother liquor pump；The first return pipe of 12-；13- catch tray；14-
Second return pipe；15- accident spray tube；16- guard valve；17- process water total pipeline；18- technique water pump pipeline；19- magma pump；
20- ammonium sulfate device；21- accident slot；22- filter press；23- accident pump；24- three-level spray tube；25- three-level absorption pump；26- recoil
Washing and spraying pipe；27- back flush valves.
Specific embodiment
In order to better understand the technical solution of the utility model, below in conjunction with Figure of description and specific implementation
The technical solution of the utility model is described in detail in mode.
Referring to Fig. 1, a kind of stable operation minimum discharge ammonia desulfuration equipment, including desulfurizing tower 1, the desulfurizing tower 1 is under
It is supreme to be successively arranged tower bottom absorbing liquid section 6, oxidation panel 2, enriching section 3, absorber portion 4, it is set between the oxidation panel 2 and enriching section 3
There is smoke inlet 5, the oxidation panel 2 is set to 6 top of tower bottom absorbing liquid section of desulfurizing tower 1；The enriching section 3 is equipped with the first spray
Pipe, backwash spray tube 26 and inclined plate, first spray tube are connected by the condensing crystallizing slot 8 outside concentrating pump 7 and desulfurizing tower 1
It connects, overflow port is equipped with above the condensing crystallizing slot 8, is connect by overflow pipe 9 with mother liquor tank 10, the mother liquor tank 10 and mother liquor
11 connection of pump, the mother liquor pump 11 are connect with condensing crystallizing slot 8 and desulfurizing tower 1, and mother liquor is delivered to condensing crystallizing slot 8 and desulfurization
The absorbing liquid section 6 of tower 1；The inclined plate is connect with the first return pipe 12, and concentrate is sent to condensing crystallizing slot 8；The absorber portion 4
Catch tray 13 is equipped between enriching section 3, the absorber portion 4 is equipped with three-level spray tube 24 and three-level absorption pump 25 absorb and followed
Ring spray leaching, the catch tray 13 are connect with the second return pipe 14, the bottom absorbing liquid section of second return pipe 14 and desulfurizing tower 1
6 connections, make absorbing liquid enter the bottom absorbing liquid section 6 or oxidation panel 2 of desulfurizing tower 1；The backwash spray tube 26 and three-level
Spray tube 24 connects, and is respectively equipped with back flush valves 27 in junction；The smoke inlet 5 is equipped with crash protection, institute
Stating crash protection includes accident spray tube 15, and guard valve 16, the accident spray tube 15 are arranged on the accident spray tube
It is connect with process water total pipeline 17 and technique water pump pipeline 18.
In above embodiments, the high-temperature flue gas of boiler enters at desulfurizing tower smoke inlet 5 and accident spray tube 15, then into
The enriching section 3 for entering desulfurizing tower 1, for spray the ammonium sulfate solution of flue gas by the first spray tube, concentrating pump 7, condensing crystallizing slot 8 and
First return pipe 12 constitutes circulation loop and carries out circulated sprinkling, so that high-temperature flue-gas is reduced, hot fume is sulphur ammonium liquid
In partial moisture evaporation, concentrate is concentrated to obtain sulphur ammonium magma, and sulphur ammonium magma collects and passes through on the inclined plate of enriching section 3
First return pipe 12 is back in condensing crystallizing slot 8, and the sulphur ammonium magma in condensing crystallizing slot 8 is placed in bottom, and the sulphur ammonium on upper layer is molten
Liquid can overflow to mother liquor tank 10 from overflow pipe 9, then mother liquor is delivered in condensing crystallizing slot 8 and desulfurizing tower 1 by mother liquor pump 11.
What is risen contains SO2Flue gas pass through catch tray 13 after enter absorber portion 4, the SO in flue gas2It is absorbed；Absorbing liquid absorbs SO2By
Second return pipe 14 enters the bottom absorbing liquid section 6 of desulfurizing tower 1, partially absorbs slurries and enters oxidation panel 2；Absorbing liquid passes through herein
The circulation loop that three-level spray tube 24, three-level absorption pump 25, catch tray 13, the second return pipe 14 are constituted carries out absorption cycle spray
Leaching.
Setting backwash spray tube 26 is connect by three-level absorption pump 25 with desulfurizing tower absorbing liquid section 6, to guarantee backwash
Fluid balance, design mother liquor tank 10 is pumped by mother liquor and 11 mother liquor is delivered to desulfurizing tower absorbing liquid section 6, to guarantee that liquid follows greatly
Ring, temperature is excessively high in desulfurizing tower and when being difficult to lower, and opens back flush valves 27 and cools down, desulfurizing tower can not
It stops transport, is further ensured that the stable operation of ammonia method desulfurizing system.
Accident spray protector is set at smoke inlet 5, and temperature is more than design after boiler smoke enters desulfurizing tower 1
When 3 spray equipment short-duration failure of index or enriching section, the raising of 3 temperature of enriching section reaches 70 DEG C of Warning Index of design, guard valve
16 automatically open progress spraying cooling and alarm, to guarantee the stable operation of ammonia method desulfurizing system.To guarantee that equipment is perfectly safe,
Accident spray equipment water source comes from process water total pipeline 17 or technique water pump pipeline 18.
In another preferred embodiment, the condensing crystallizing slot 8 is connect with magma pump 19, pumps 19 for sulphur by magma
Ammonium slurries are sent to ammonium sulfate device 20, and the ammonium sulfate device 20 is connect with mother liquor tank 10, and sulphur ammonium liquid is sent to mother liquor tank 10.
In above embodiments, ammonium sulfate crystals are precipitated when the solution supersaturation of condensing crystallizing slot 8, ammonium sulfate solution concentration reaches
After the crystallization index of setting, sulphur ammonium slurries are sent to ammonium sulfate device 20 with magma pump 19, sulphur ammonium phegma is sent to mother liquor tank 10.
In another preferred embodiment, the mother liquor pump 11 is also connect with accident slot 21 and filter press 22, the pressure
Filter 22 is connect with accident slot 21, and filtrate is sent to accident slot 21；The accident slot 21 passes through accident pump 23 and condensing crystallizing slot 8
Connection；The accident slot 21 is connect by accident pump 23 with desulfurizing tower 1.
In above embodiments, mother liquor is transported to accident slot 21 and filter press 22 by mother liquor pump 11, and filtrate is flowed from filter press 22
Matter event slot 21, and 23 can be pumped by accident and filtrate be delivered in condensing crystallizing slot 8 or desulfurizing tower 1.
In another preferred embodiment, the three-level spray tube 24 is respectively the second spray tube, third from the bottom to top
Spray tube, the 4th spray tube, second spray tube, third spray tube, the 4th spray tube are inhaled with set on desulfurization tower bottom respectively
The three-level absorption pump 25 for receiving liquid section 6 connects.
In the embodiment above, setting three-level spray tube connected with three-level absorption pump, three-level spray tube, three-level absorption pump with
And second return pipe 14 constitute circulation loop, conducive to the SO in flue gas2It is fully absorbed, reduction is discharged into the flue gas in air
The content of harmful substance realizes minimum discharge.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of stable operation minimum discharge ammonia desulfuration equipment, which is characterized in that including desulfurizing tower, the desulfurizing tower by down toward
On be successively arranged oxidation panel, enriching section, absorber portion, between the oxidation panel and enriching section be equipped with smoke inlet,
The oxidation panel is set to above tower bottom absorbing liquid section；
The enriching section is equipped with the first spray tube, backwash spray tube and inclined plate, and first spray tube is by concentrating pump and takes off
Condensing crystallizing slot connection outside sulphur tower, the condensing crystallizing slot top are equipped with overflow port, are connect by overflow pipe with mother liquor tank, institute
It states mother liquor tank and mother liquor pump connects, the mother liquor pump is connect with condensing crystallizing slot and desulfurizing tower, and mother liquor is delivered to condensing crystallizing
Slot or desulfurizing tower；The inclined plate is connect with the first return pipe, and concentrate is sent to condensing crystallizing slot；The backwash spray tube with
The connection of three-level spray tube, and back flush valves are respectively equipped in junction；
Catch tray is equipped between the absorber portion and enriching section, the absorber portion is equipped with three-level spray tube and three-level absorption pump carries out
Absorption cycle spray, the catch tray are connect with the second return pipe, second return pipe and desulfurization tower bottom absorbing liquid Duan Lian
It connects, absorbing liquid is made to enter desulfurization tower bottom absorbing liquid section or oxidation panel；
The smoke inlet is equipped with crash protection, and the crash protection includes accident spray tube, the accident spray
Pipe is equipped with guard valve, and the accident spray tube is connect with process water total pipeline and technique water pump pipeline.
2. stable operation minimum discharge ammonia desulfuration equipment according to claim 1, which is characterized in that the condensing crystallizing
Slot and magma pump connect, and are pumped by magma and send sulphur ammonium slurries to ammonium sulfate device, the ammonium sulfate device is connect with mother liquor tank, by sulphur
Ammonium liquid is transported to mother liquor tank.
3. stable operation minimum discharge ammonia desulfuration equipment according to claim 1, which is characterized in that the mother liquor pump is also
It is connect with accident slot and filter press, the filter press is connect with accident slot, and filtrate is sent to accident slot.
4. stable operation minimum discharge ammonia desulfuration equipment according to claim 3, which is characterized in that the accident slot is logical
Accident pump is crossed to connect with condensing crystallizing slot.
5. stable operation minimum discharge ammonia desulfuration equipment according to claim 3, which is characterized in that the accident slot is logical
Accident pump is crossed to connect with desulfurizing tower.
6. stable operation minimum discharge ammonia desulfuration equipment according to claim 1, which is characterized in that the three-level spray
Pipe is respectively the second spray tube, third spray tube, the 4th spray tube, second spray tube, third spray tube, the from the bottom to top
Four spray tubes are connect with the first absorption pump, the second absorption pump, the third absorption pump for being set to desulfurization tower bottom absorbing liquid section respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609685.XU CN208911809U (en) | 2018-09-29 | 2018-09-29 | A kind of stable operation minimum discharge ammonia desulfuration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609685.XU CN208911809U (en) | 2018-09-29 | 2018-09-29 | A kind of stable operation minimum discharge ammonia desulfuration equipment |
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| Publication Number | Publication Date |
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| CN208911809U true CN208911809U (en) | 2019-05-31 |
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| CN201821609685.XU Active CN208911809U (en) | 2018-09-29 | 2018-09-29 | A kind of stable operation minimum discharge ammonia desulfuration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045983A (en) * | 2018-09-29 | 2018-12-21 | 石家庄宇清环保科技有限公司 | A kind of stable operation minimum discharge ammonia desulfuration equipment |
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2018
- 2018-09-29 CN CN201821609685.XU patent/CN208911809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045983A (en) * | 2018-09-29 | 2018-12-21 | 石家庄宇清环保科技有限公司 | A kind of stable operation minimum discharge ammonia desulfuration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221116 Address after: 050400 No. 2, West District East Road, Xibaipo Economic Development Zone, Donghuishe Town, Pingshan County, Shijiazhuang City, Hebei Province Patentee after: Heli Environmental Protection (Hebei) Co.,Ltd. Address before: 050400 Xibaipo Stone Industry Zone, Pingshan County, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG YUQING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |