CN208003753U - Limestone-gypsum wet desulfuration system - Google Patents
Limestone-gypsum wet desulfuration system Download PDFInfo
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- CN208003753U CN208003753U CN201820256643.6U CN201820256643U CN208003753U CN 208003753 U CN208003753 U CN 208003753U CN 201820256643 U CN201820256643 U CN 201820256643U CN 208003753 U CN208003753 U CN 208003753U
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Abstract
The utility model discloses a kind of limestone-gypsum wet desulfuration systems, including lime stone slurry vessel and desulfurization chamber, exhaust gas input port is set on desulfurization chamber side wall, desulfurization chamber top side wall is provided with exhaust gas delivery outlet, in desulfurization chamber sidewall bottom, slurries delivery outlet is set, limestone slurry conveyance conduit is connected in the middle part of lime stone slurry vessel, the delivery outlet of limestone slurry conveyance conduit stretches to the gas-liquid desulfurization plate of desulfurization top of chamber and face desulfurization chamber；Gas-liquid desulfurization plate is horizontally arranged at the middle part of desulfurization chamber, the gas-liquid desulfurization plate is located at the upper end of exhaust gas input port, gas-liquid arrays of vias is offered on gas-liquid desulfurization plate, gas-liquid desulfurization plate is equipped at least one layer of porcelain ball array, bottom porcelain ball array is installed on gas-liquid desulfurization plate, and all porcelain balls in the bottom porcelain ball array are staggered with the gas-liquid via in gas-liquid arrays of vias.Advantageous effect：Porcelain is not easy to adhere to slurry precipitation, and spheroid form increases gas liquid interfacial area, and sulfur limitation effect is good, is not easy to plug.
Description
Technical field
The utility model is related to technical field of desulfurization, specifically a kind of limestone-gypsum wet desulfuration system.
Background technology
In sulphur-burning sulphuric acid system, a large amount of sulphur is contained in the exhaust gas of generation, to make the sulfur content in the gas of discharge reach
National standard, it is necessary to carry out desulfurization.Traditional desulfurizer, effect is not ideal, for example washes active carbon desulfurization, but living
Property charcoal at than, and every time washing when, caused by the secondary plus all bad processing of product.
In the prior art, the desulfurization method of limestone-gypsum for usually using wet desulphurization is used according to chemical principle
Limestone slurry carries out haptoreaction to SO2, SO3 and H2S etc. in exhaust gas.But in lime stone-stone of existing wet desulphurization
In cream method desulfurizer, usually multilayer aperture partition board is used to carry out gas-liquid mixed, still, limestone slurry is easy sedimentation, partition board hole
Diameter is too small or partition board hypotelorism, limestone slurry are easy to settle on partition board, and partition board is easy to block over time, often needs to
People dismantle, clean and install, time-consuming and laborious.Conversely, when partition board apart from it is excessive when or clapboard aperture it is too small, cause
Gas-liquid contact time is few, and desulfurization effect is poor.And limestone slurry is easy sedimentation and is also easy to settle in lime stone stock tank, is draining
During in desulfurization chamber, it is easy to block pipeline.
Therefore in view of the above-mentioned problems, it is necessary to propose a kind of new desulphurization system, to solve the above problems.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of limestone-gypsum wet desulfuration system, using porcelain ball to useless
Gas carries out barrier effect, makes extension gas-liquid contact time, improves desulfurization effect.
In order to achieve the above objectives, the specific technical solution that the utility model uses is as follows：
A kind of limestone-gypsum wet desulfuration system, including lime stone slurry vessel and desulfurization chamber, in the desulfurization chamber side wall
Upper setting exhaust gas input port is provided with exhaust gas delivery outlet in the desulfurization chamber top side wall, is set in the desulfurization chamber sidewall bottom
Slurries delivery outlet is set, key is：
Limestone slurry conveyance conduit is connected in the middle part of the lime stone slurry vessel, the limestone slurry conveyance conduit
Delivery outlet stretches to the gas-liquid desulfurization plate of desulfurization chamber described in the desulfurization top of chamber and face；
The gas-liquid desulfurization plate is horizontally arranged at the middle part of the desulfurization chamber, which is located at exhaust gas input
The upper end of mouth, offers gas-liquid arrays of vias on the gas-liquid desulfurization plate, and the gas-liquid desulfurization plate is equipped at least one layer of porcelain
Ball array, porcelain ball array described in the bottom is installed on the gas-liquid desulfurization plate, and all porcelain in the bottom porcelain ball array
Ball is staggered with the gas-liquid via in the gas-liquid arrays of vias.
By above-mentioned design, limestone slurry conveyance conduit is arranged at the middle part of lime stone slurry vessel, even if lime building stones
A sedimentation part, will not influence the slurry of output.And by desulfurization intracavitary be arranged porcelain ball array, make lime stone slurry from
On flow on porcelain ball, exhaust gas flows through porcelain ball bottom-up.Porcelain ball increases gas liquid interfacial area, effectively improves desulfuration efficiency.
And since porcelain ball is porcelain material, slurry precipitation is not easy to adhere to, and uses spheroid form, is not easy accumulation precipitation.It is effectively anti-
Only slurry deposition blocks.
Porcelain ball sphere diameter is more than gas-liquid via, and is staggered and effectively porcelain ball is avoided to block gas-liquid via.Porcelain ball is fixedly installed
Prevent porcelain ball from sliding.
Further, the limestone slurry conveyance conduit includes at least one output branch pipe, each output branch pipe
Delivery outlet is connect with a desulfurization chamber, and all desulfurization chambers are sequentially connected through waste gas delivery pipeline road, the waste gas pipeline
At the top of previous concatenation desulfurization chamber (2), waste gas delivery pipeline road (6) outlet side extend into next the setting of road (6) air inlet end
Concatenate the exhaust gas input port of desulfurization chamber (2).
Using the above scheme, it can be achieved that multistage sulphur removal, reduces discharge gas sulfur content, reduce the pollution to air.
It further describes, the desulfurization intracavitary is provided with liquid level sensor, the liquid level sensor is arranged in gas-liquid
On the desulfurization chamber side wall of desulfurization plate lower part.
Liquid level sensor is used to carry out level sensing to the limestone slurry for flowing into desulfurization chamber or sink to desulfurization bottom of chamber portion
Shallow lake is detected.
It further describes, is provided on the delivery outlet of the slurries efferent duct and sprays head, the spray side for spraying head
To gas-liquid desulfurization plate described in face.Using head is sprayed, increase spray area.
It further describes, in order to realize multistage intelligent control, in the slurries efferent duct and all exhaust gas conveyings
Solenoid valve is both provided on pipeline.
It further describes, in order to detect tail gas sulfur content, sulfur content sensing is provided in the waste gas delivery pipeline road
Device.
It further describes, in order to make limestone slurry to flowing down, forms runner, prevent from blocking, the gas-liquid arrays of vias
Gas-liquid via be in reverse frustoconic.
It further describes, in order to stir slurry, prevents from settling, raker stirrer is provided in the lime stone slurry vessel,
The raker stirrer is connected on the output shaft of stirring motor.
The beneficial effects of the utility model：Multistage sulphur removal, effect is good, and discharge tail gas is up to standard, reduces the pollution to environment.Porcelain
Device is not easy to adhere to slurry precipitation, and spheroid form increases gas liquid interfacial area.Sulfur limitation effect is good, is not easy to plug.
Description of the drawings
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the utility model desulfurization slot structure schematic diagram.
Specific implementation mode
Specific embodiment of the present utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.From
Fig. 1 can be seen that a kind of limestone-gypsum wet desulfuration system, including lime stone slurry vessel 1 and desulfurization chamber 2, in the desulfurization
Exhaust gas input port is set on 2 side wall of chamber, 2 top side wall of desulfurization chamber is provided with exhaust gas delivery outlet, in 2 side of desulfurization chamber
Slurries delivery outlet is arranged in wall bottom.
In the present embodiment, exhaust gas input port is higher than slurries delivery outlet 20cm.
It is connected with limestone slurry conveyance conduit 4, the limestone slurry conveyance conduit at the middle part of the lime stone slurry vessel 1
4 delivery outlet stretches to the gas-liquid desulfurization plate 5 of desulfurization chamber 2 described in 2 top of the desulfurization chamber and face；The gas-liquid desulfurization plate 5
It is horizontally arranged at the middle part of the desulfurization chamber 2, which is located at the upper end of the exhaust gas input port, in the gas-liquid
Offer gas-liquid arrays of vias on desulfurization plate 5, the gas-liquid desulfurization plate 5 is equipped with 2 layers of porcelain ball array, porcelain spherical array described in the bottom
Row are installed on the gas-liquid desulfurization plate 5, and in all porcelain balls in the bottom porcelain ball array and the gas-liquid arrays of vias
Gas-liquid via be staggered.
In the present embodiment, the limestone slurry conveyance conduit 4 include 3 output branch pipes, 3 it is described output branch pipe it is defeated
Outlet is connect with a desulfurization chamber 2, and all desulfurization chambers 2 are sequentially connected through two waste gas delivery pipeline roads 6, the exhaust gas
6 air inlet end of conveyance conduit is arranged at the top of previous concatenation desulfurization chamber 2, and 6 outlet side of the waste gas delivery pipeline road extend into next
Concatenate the exhaust gas input port of desulfurization chamber 2.
It can be seen that from Fig. 1 and Fig. 2 and be provided with liquid level sensor 7, the liquid level sensor 7 in the desulfurization chamber 2
It is arranged on 2 side wall of desulfurization chamber of 5 lower part of gas-liquid desulfurization plate.
In the present embodiment, liquid level sensor 7 is ultrasonic liquid level sensor.
It can be seen that be provided on the delivery outlet of the limestone slurry conveyance conduit 4 from Fig. 1 and Fig. 2 and spray first 8,
It is described to spray gas-liquid desulfurization plate 5 described in first 8 spray direction face.
It will be seen from figure 1 that being respectively provided on the limestone slurry conveyance conduit 4 and all waste gas delivery pipeline roads 6
There is solenoid valve 9.
It can be seen that from Fig. 1 and Fig. 2 and be provided with sulfur content sensor 10 in the waste gas delivery pipeline road 6.
The gas-liquid via that can be seen that the gas-liquid arrays of vias from Fig. 1 and Fig. 2 is in reverse frustoconic.
It is seen also in fig. l that being provided with raker stirrer 11 in the lime stone slurry vessel 1, the raker stirrer 11 connects
On the output shaft of stirring motor 3.
The operation principle of the utility model is：
Slurry in lime stone slurry vessel 1 is transported to desulfurization chamber 2 through limestone slurry conveyance conduit 4, and is carried out through spraying first 8
It is sprayed in the double-deck porcelain ball array, slurry goes downstream along porcelain ball surface, and through the gas-liquid via stream on gas-liquid desulfurization plate 5
Under.
Pending exhaust gas enters desulfurization chamber 2 through exhaust gas input port, and along airflow direction, flows up.SO2 in exhaust gas
It is in contact and reflects with the slurry flowed through in porcelain ball array with SO3.Treated, and gas is discharged through exhaust gas delivery outlet.
If the exhaust gas sulfur content of discharge is excessively high, what desulfurization chamber can be set more, intelligent control is carried out by switch electromagnetic valve 9
System.
It should be pointed out that the above description is not intended to limit the present invention, the utility model is also not limited to
The example above, what those skilled in the art were made in the essential scope of the utility model changes, is modified, adding
Add or replace, should also belong to the protection scope of the utility model.
Claims (8)
1. a kind of limestone-gypsum wet desulfuration system, including lime stone slurry vessel (1) and desulfurization chamber (2), in the desulfurization chamber
(2) exhaust gas input port is set on side wall, desulfurization chamber (2) top side wall is provided with exhaust gas delivery outlet, in the desulfurization chamber
(2) slurries delivery outlet is arranged in sidewall bottom, it is characterised in that：
Limestone slurry conveyance conduit (4), the limestone slurry conveyance conduit are connected in the middle part of the lime stone slurry vessel (1)
(4) delivery outlet stretches at the top of the desulfurization chamber (2) and the gas-liquid desulfurization plate (5) of desulfurization chamber (2) described in face；
The gas-liquid desulfurization plate (5) is horizontally arranged at the middle part of the desulfurization chamber (2), which is located at described useless
The upper end of gas input port offers gas-liquid arrays of vias on the gas-liquid desulfurization plate (5), is set on the gas-liquid desulfurization plate (5)
There is at least one layer of porcelain ball array, porcelain ball array is installed on the gas-liquid desulfurization plate (5) described in the bottom, and the bottom porcelain ball
All porcelain balls in array are staggered with the gas-liquid via in the gas-liquid arrays of vias.
2. limestone-gypsum wet desulfuration system according to claim 1, it is characterised in that：The limestone slurry delivery pipe
Road (4) includes at least one output branch pipe, and the delivery outlet of each output branch pipe is connect with a desulfurization chamber (2), is owned
The desulfurization chamber (2) is sequentially connected through waste gas delivery pipeline road (6), and waste gas delivery pipeline road (6) air inlet end is arranged at first a string
The top of desulfurization chamber (2) is connect, waste gas delivery pipeline road (6) outlet side extend into the exhaust gas input of next concatenation desulfurization chamber (2)
Mouthful.
3. limestone-gypsum wet desulfuration system according to claim 2, it is characterised in that：In the desulfurization chamber (2)
It is provided with liquid level sensor (7), desulfurization chamber (2) side wall of liquid level sensor (7) setting in gas-liquid desulfurization plate (5) lower part
On.
4. limestone-gypsum wet desulfuration system according to claim 2, it is characterised in that：The limestone slurry delivery pipe
It is provided on the delivery outlet in road (4) and sprays head (8), gas-liquid desulfurization plate (5) described in the spray direction face for spraying head (8).
5. limestone-gypsum wet desulfuration system according to claim 2, it is characterised in that：It is conveyed in the limestone slurry
It is both provided with solenoid valve (9) in pipeline (4) and all waste gas delivery pipeline roads (6).
6. limestone-gypsum wet desulfuration system according to claim 2, it is characterised in that：In the waste gas delivery pipeline road
(6) sulfur content sensor (10) is provided on.
7. limestone-gypsum wet desulfuration system according to claim 1, it is characterised in that：The gas-liquid arrays of vias
Gas-liquid via is in reverse frustoconic.
8. limestone-gypsum wet desulfuration system according to claim 1, it is characterised in that：In the lime stone slurry vessel
(1) it is provided with raker stirrer (11) in, the raker stirrer (11) is connected on the output shaft of stirring motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256643.6U CN208003753U (en) | 2018-02-12 | 2018-02-12 | Limestone-gypsum wet desulfuration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820256643.6U CN208003753U (en) | 2018-02-12 | 2018-02-12 | Limestone-gypsum wet desulfuration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208003753U true CN208003753U (en) | 2018-10-26 |
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ID=63886537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820256643.6U Active CN208003753U (en) | 2018-02-12 | 2018-02-12 | Limestone-gypsum wet desulfuration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208003753U (en) |
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2018
- 2018-02-12 CN CN201820256643.6U patent/CN208003753U/en active Active
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