CN206604374U - A kind of desulfurizing tower - Google Patents
A kind of desulfurizing tower Download PDFInfo
- Publication number
- CN206604374U CN206604374U CN201720293506.5U CN201720293506U CN206604374U CN 206604374 U CN206604374 U CN 206604374U CN 201720293506 U CN201720293506 U CN 201720293506U CN 206604374 U CN206604374 U CN 206604374U
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- desulfurizing tower
- tower body
- tower
- spray equipment
- desulfurizing
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Abstract
The utility model discloses a kind of desulfurizing tower, a kind of desulfurizing tower includes the tower body for being provided with air inlet, gas outlet, stock inlet and leakage fluid dram, circulated sprinkling loop is additionally provided with tower body, circulated sprinkling loop includes the circulating pump on spray equipment, the circulation port located at desulfurizing tower bottom sidewall and the connecting pipe between spray equipment and circulation port in desulfurizing tower；The bottom of tower body is provided with multiple agitating devices.Pass through the setting in circulated sprinkling loop, the lime stone gypsum being deposited in desulfurizing tower is extracted into spray equipment by circulating pump desulfurization process again is carried out to tail gas in desulfurizing tower, realize the recycling of lime stone gypsum, improve desulfuration efficiency, lime stone gypsum utilization rate, reduction purification cost are improved simultaneously.In addition, while circulation, the solution for being pointed to desulfurization tower bottom by agitating device is stirred, it is to avoid precipitated, improving the solution circulated in circulated sprinkling loop has higher desulfurized effect.
Description
Technical field
The utility model is related to a kind of boiler exhaust gas processing unit, more particularly to a kind of desulfurizing tower.
Background technology
Haze is the result that specific weather condition interacts with mankind's activity, the economy of high density population and social activities
A large amount of fine particles can be discharged, once discharge exceedes atmospheric air circulation ability and carrying degree, fine particle concentration by continued accumulation, this
Shi Ruguo is influenceed large-scale haze easily occur by quiet steady weather etc..As haze weather is attacked again and again, public opinion is one after another lance
Head points to coal burning, and the time of coal fired power generation one is regarded as the arch-criminal of haze.
Contain substantial amounts of SO2, flue dust in coal-fired flue-gas, also containing the pollutants such as a small amount of HCl, HF, SO3, heavy metal, mesh
It is at most wet flue gas desulfurizer that preceding flue gas desulfurization, which is used, again most widely used with Gypsum Wet in wet desulphurization.
Desulfurization method of limestone-gypsum, it is technology maturation, stable, it is to apply most sulfur removal technologies in the world at present.Lime abroad
Stone-gypsum desulfurizer accounts for the 85% of desulfurizer total amount, and domestic is even more to account for more than the 90% of desulfurizer total amount.
Its desulfurizing tower major function is removing SO2, while also having the miscellaneous function of removing flue dust and other pollutants.
Wherein, then solution is discharged for being mostly that directly tail gas is handled by spraying in desulfurizing tower in early days
Separated and recovered.But such mode causes the use of limestone-gypsum to waste very much, although reclaimed, still
Reclaiming needs great cost, causes the use cost of entire work flow high.
Utility model content
The purpose of this utility model is to provide a kind of desulfurizing tower, with increasing operation rate, reduces the effect of use cost.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of desulfurizing tower, including be provided with the tower body of air inlet, gas outlet, stock inlet and leakage fluid dram, the tower body
Circulated sprinkling loop is additionally provided with, the circulated sprinkling loop is including the spray equipment in desulfurizing tower, located at desulfurizing tower bottom
Circulating pump on the circulation port of portion side wall and the connecting pipe between spray equipment and circulation port；
The bottom of the tower body is provided with multiple agitating devices.
It is arranged such, by the setting in circulated sprinkling loop, the lime stone-stone that will be deposited in by circulating pump in desulfurizing tower
Cream is extracted into spray equipment carries out desulfurization process again to tail gas in desulfurizing tower, realizes the recycling of limestone-gypsum, improves
Desulfuration efficiency, while limestone-gypsum utilization rate is improved, reduction purification cost.In addition, while circulation, passing through stirring
The solution that device is pointed to desulfurization tower bottom is stirred, it is to avoid precipitated, and it is molten that raising is circulated in circulated sprinkling loop
Liquid has higher desulfurized effect.
More preferably：The spray equipment includes Multi-layer sprinkling net, spraying net described in multilayer vertically according to
It is secondary to set.
It is arranged such, increases desulfurization number of times, improves desulfuration efficiency.
More preferably：The agitating device includes agitator and the motor for driving agitator to rotate, institute
Stating agitator includes agitating shaft and stirring vane, and the stirring vane is located in tower body to be connected by agitating shaft with motor.
It is arranged such, drives agitating shaft to rotate by outside motor, so as to drives stirring vane to realize to desulfurization
The effect that solution in tower is stirred.
More preferably：The stirring vane is twist set.
It is arranged such, with preferable mixing effect, and it is smaller to the resistance of stirring vane, ensureing the same of stirring efficiency
When reduce energy consumption.
More preferably：Baffle plate is provided with the inwall of the tower body, spacing is provided between the baffle plate and tower body.
It is arranged such, is turbulent flow formation stop to being produced in whipping process by the setting of baffle plate, big turbulent flow is decomposed
Into small turbulent flow, reduction is bonded at material on desulfurizing tower madial wall.
More preferably：Set along the distance between the circumferencial direction overhead gage and tower body inwall of the tower body in gradually small.
It is arranged such so that on mixing direction, turbulent flow is when by between baffle plate and tower body inwall, and pressure becomes in increase
Gesture, can play preferably impact side wall first, reduce viscous wall, furthermore it is possible to which further increase turbulent flow decomposition amount, is formed more
Many small turbulent flows, play more excellent mixing effect.
More preferably：The agitating shaft tilts upward setting in motor end to the other end.
Be arranged such so that small big vortex under multiple agitating devices are formed after being stirred to solution so that bottom it is heavy
Starch is preferably rolled, and reaches the more uniform effect of stirring.
In summary, the utility model has the advantages that：By the setting in circulated sprinkling loop, lime is realized
The recycling of stone-gypsum, improves desulfuration efficiency, while limestone-gypsum utilization rate is improved, reduction purification cost；In addition,
In the presence of agitating device, limestone-gypsum is uniformly dispersed in the solution of desulfurization tower bottom, is combining circulated sprinkling loop
Under effect so that the effect of spray desulfurization is more excellent.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the sectional view of embodiment one；
Fig. 3 is the main sectional view of embodiment one；
Fig. 4 is the sectional view of bowing of embodiment one, shows the structure of baffle plate；
Fig. 5 is the circuit theory diagrams of embodiment one；
Fig. 6 is the structural representation of embodiment two.
In figure, 1, tower body；11st, air inlet；12nd, gas outlet；13rd, stock inlet；14th, spray equipment；15th, baffle plate；2nd, circulate
Pump；3rd, agitating device；31st, stirring vane；32nd, agitating shaft；33rd, motor；41st, preset value generative circuit；42nd, first compares
Circuit；43rd, first switch circuit；44th, the second comparison circuit；45th, second switch circuit；5th, slurry tank；51st, slurries pump；6th, water
Case；61st, water-delivery pump；7th, wet electric cleaner；8th, smoke evacuation chimney；9th, cyclone；91st, gypsum excavationg pump；10th, limestone powder bin.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in protection domain of the present utility model by Patent Law.
Embodiment 1：A kind of desulfurizing tower, as shown in figure 1, including tower body 1, air inlet 11, gas outlet are provided with tower body 1
12nd, stock inlet 13, leakage fluid dram（Not shown in figure）, circulated sprinkling loop, PH detector（Not shown in figure）, liquid level sensor
（Not shown in figure）And agitating device 3.
Reference picture 2, circulated sprinkling loop is including the spray equipment 14 in desulfurizing tower, located at desulfurizing tower bottom sidewall
Circulating pump 2 on circulation port and connecting pipe between spray equipment 14 and circulation port, wherein, circulation port and circulating pump 2
It is disposed as three.Spray equipment 14 includes three layers of spraying net, and three layers of spraying net are vertically set gradually, spray
Net is made up of spray piping, and it is that on madial wall, each spray piping is provided with tower body 1 that spray piping, which is fixed on tower body 1,
Inlet on one inlet, three spraying nets around tower body 1 circumferentially staggered setting, three inlets by pipeline with respectively with
Three circulation port connections, circulation port is located at the bottom position of tower body 1.
As shown in figure 3, air inlet 11, stock inlet 13 are on the side wall of the medium position of tower body 1, air inlet 11 enters for tail gas
The opening entered, between spray equipment 14 and circulation port, be tilted down setting, and stock inlet 13 enters for limestone-gypsum；
Gas outlet 12 is located at the top of tower body 1, for the tail gas in desulfurizing tower to be discharged；Leakage fluid dram is located at the side of the bottom position of tower body 1
On wall, discharged for the waste liquid of desulfurization tower bottom.
Reference picture 2, agitating device 3 includes agitator and the motor 33 for driving agitator to rotate, agitator bag
Agitating shaft 32 and stirring vane 31 are included, stirring vane 31 is located in tower body 1 to be connected by agitating shaft 32 with motor 33, is driven
Motor 33 is fixedly installed in outside tower body 1, and one end that agitating shaft 32 is connected to motor 33 tilts upward setting to the other end, stirs
Mix the end that blade 31 twist sets and is fixed on agitating shaft 32.
As shown in Fig. 2 being provided with baffle plate on the inwall of tower body 1, baffle plate is vertically set, with reference to accompanying drawing 4, baffle plate
Spacing is provided between tower body 1, is set along the distance between the circumferencial direction overhead gage and the inwall of tower body 1 of tower body 1 in gradually small.
Wherein, be provided with the pipeline being connected with above-mentioned stock inlet 13 be controlled by liquid level sensor enter stock pump, with discharge opeing
Be provided with the gypsum excavationg pump 91 for being controlled by PH detector on the pipeline of mouthful connection, liquid level sensor and enter between stock pump to be provided with into
Slurry control circuit, is provided with discharge opeing control circuit between PH detector and gypsum excavationg pump 91.
As shown in figure 5, entering slurry control circuit includes the first comparison circuit 42 and first switch circuit 43, the first comparison circuit
42 include preset value generative circuit 41 and comparator A1.Preset value generative circuit 41 is used to generate preset value A, and it includes the first electricity
R1 and potentiometer R2 is hindered, first resistor R1 one end connection supply voltage, the other end is connected to potentiometer R2 movable end, current potential
A device R2 fixing end and comparator A1 positive input connection, another fixing end ground connection.Comparator A1 reverse input end
It is connected with liquid level sensor, the level sensing signal for receiving liquid level sensor hair output, after being compared with preset value A, output
One first comparison signal；
First switch circuit 43 includes second resistance R3 and triode Q1, and second resistance R3 one end is connected to comparator A1
Output end, the other end is connected to triode Q1 base stage；Triode Q1 emitter stage is connected into stock pump, triode Q1 collection
Electrode is connected to starting switch, is coupled in the first comparison circuit 42, in response to the first comparison signal, to control power supply with entering slurry
Switching between pump.
Discharge opeing control circuit includes the second comparison circuit 44 and second switch circuit 45, the second comparison circuit 44 and the first ratio
It is identical compared with circuit 42, also including preset value generative circuit 41 and comparator A2, wherein, preset value generative circuit 41 is pre- for generating
If value B, comparator A2, which is used to receive after PH detection signals are compared with preset value B, exports the second comparison signal；Second switch circuit
45 in response to the second comparison signal, to control switching between power supply and gypsum excavationg pump 91, wherein, gypsum excavationg pump 91 is with entering
It is arranged in parallel between stock pump.
After tail gas enters in desulfurizing tower, the solution spraying produced by circulated sprinkling loop, in the presence of agitating device 3
The solution for being pointed to desulfurization tower bottom is stirred, it is to avoid limestone-gypsum is precipitated in desulfurization tower bottom, is improved in circulation
The solution circulated in spray loop has higher desulfurized effect, meanwhile, by circulated sprinkling loop to limestone-gypsum solution
Recycled, increased operation rate, reduce cost.In addition, in use, limestone-gypsum and tail gas in solution
In reaction of Salmon-Saxl after can consume so that PH is reduced since alkalescence, and PH is seen in real time by the detection by PH detector
Survey, when PH is less than preset value B, starts gypsum excavationg pump 91 and discharge the waste liquid of desulfurization tower bottom.
In discharge opeing process, when water level is less than preset value A, liquid level sensor can control to start into stock pump, to desulfurizing tower
Interior feeding limestone-gypsum slurries are supplemented, and in this process, PH can go up, and PH detector detects PJ more than preset value B
When, close gypsum excavationg pump 91 and stop when water level is higher than preset value A.
Embodiment 2：A kind of tail gas desulphurizing system, as shown in fig. 6, including slurry tank 5, water tank 6, wet electric cleaner 7, row
Desulfurizing tower in chimney 8 and two embodiments 1, the air inlet 11 of desulfurizing tower is connected by flue with boiler, is provided with slurry tank 5
Lime stone slurry, the stock inlet 13 of desulfurizing tower is connected to by pipeline, and slurry is provided with the pipeline between desulfurizing tower and slurry tank 5
Liquid pump 51, slurry tank 5 is connected with limestone powder bin 10.
Water tank 6 is connected to the stock inlet 13 and slurry tank 5 of desulfurizing tower, the pipeline between water tank 6 and desulfurizing tower by pipeline
On be provided with water-delivery pump 61, wherein, slurries pump 51 and water-delivery pump 61 are constituted into stock pump.
Wet electric cleaner 7 is connected with the gas outlet 12 of desulfurizing tower, for removing containing the dirt in humid gas, acid mist, water droplet, gas
The harmful substances such as colloidal sol, stink, PM2.5, realize further desulfurization and purification.
Smoke evacuation chimney 8 is connected with wet electric cleaner 7, for discharging tail gas.
Leakage fluid dram is connected with a cyclone 9, and the delivery port of cyclone 9 is connected with stock inlet 13.
Claims (7)
1. a kind of desulfurizing tower, including it is provided with the tower body of air inlet (11), gas outlet (12), stock inlet (13) and leakage fluid dram
(1), it is characterized in that：Circulated sprinkling loop is additionally provided with the tower body (1), the circulated sprinkling loop includes being located at desulfurizing tower
Interior spray equipment (14), the circulation port located at desulfurizing tower bottom sidewall and located at spray equipment (14) between circulation port
Circulating pump (2) on connecting pipe；
The bottom of the tower body (1) is provided with multiple agitating devices (3).
2. a kind of desulfurizing tower according to claim 1, it is characterized in that：The spray equipment (14) includes Multi-layer sprinkling
Net, spraying net described in multilayer is vertically set gradually.
3. a kind of desulfurizing tower according to claim 1, it is characterized in that：The agitating device (3) includes agitator and is used for
The motor (33) for driving agitator to rotate, the agitator includes agitating shaft (32) and stirring vane (31), the stirring
Blade (31) is located in tower body (1) to be connected by agitating shaft (32) with motor (33).
4. a kind of desulfurizing tower according to claim 3, it is characterized in that：The stirring vane (31) is twist set.
5. a kind of desulfurizing tower according to claim 3, it is characterized in that：Baffle plate is provided with the inwall of the tower body (1), institute
State and be provided with spacing between baffle plate and tower body (1).
6. a kind of desulfurizing tower according to claim 5, it is characterized in that：Along the tower body (1) circumferencial direction overhead gage with
Distance between tower body (1) inwall is set in gradually small.
7. a kind of desulfurizing tower according to claim 3, it is characterized in that：The agitating shaft (32) in motor (33) hold to
The other end tilts upward setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293506.5U CN206604374U (en) | 2017-03-23 | 2017-03-23 | A kind of desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293506.5U CN206604374U (en) | 2017-03-23 | 2017-03-23 | A kind of desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206604374U true CN206604374U (en) | 2017-11-03 |
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ID=60173666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720293506.5U Expired - Fee Related CN206604374U (en) | 2017-03-23 | 2017-03-23 | A kind of desulfurizing tower |
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| CN (1) | CN206604374U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506970A (en) * | 2018-12-29 | 2019-03-22 | 天津市合润科技有限责任公司 | Side-feeding stirrer performance detection experiment data acquisition system |
| CN112808143A (en) * | 2021-01-29 | 2021-05-18 | 广州文冲船舶修造有限公司 | Medicament precipitation prevention system for desulfurization system and medicament precipitation monitoring method |
| CN113856513A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Washing and stirring device at bottom of desulfurization tower |
| CN113856432A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Power plant desulfurizing tower |
-
2017
- 2017-03-23 CN CN201720293506.5U patent/CN206604374U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506970A (en) * | 2018-12-29 | 2019-03-22 | 天津市合润科技有限责任公司 | Side-feeding stirrer performance detection experiment data acquisition system |
| CN109506970B (en) * | 2018-12-29 | 2024-05-24 | 天津市合润科技有限责任公司 | Side-entering stirrer performance detection experimental data acquisition system |
| CN112808143A (en) * | 2021-01-29 | 2021-05-18 | 广州文冲船舶修造有限公司 | Medicament precipitation prevention system for desulfurization system and medicament precipitation monitoring method |
| CN113856513A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Washing and stirring device at bottom of desulfurization tower |
| CN113856432A (en) * | 2021-10-28 | 2021-12-31 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Power plant desulfurizing tower |
| CN113856432B (en) * | 2021-10-28 | 2023-11-17 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Desulfurizing tower of power plant |
| CN113856513B (en) * | 2021-10-28 | 2024-06-04 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Desulfurizing tower bottom flushing stirring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20200323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |