CN208927927U - One kind denitration dust collecting device inside desulfurizing tower - Google Patents
One kind denitration dust collecting device inside desulfurizing tower Download PDFInfo
- Publication number
- CN208927927U CN208927927U CN201820701490.1U CN201820701490U CN208927927U CN 208927927 U CN208927927 U CN 208927927U CN 201820701490 U CN201820701490 U CN 201820701490U CN 208927927 U CN208927927 U CN 208927927U
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- Prior art keywords
- cap
- gas
- denitration
- purifying column
- partition
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 title claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 45
- 238000005192 partition Methods 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 19
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 15
- 230000023556 desulfurization Effects 0.000 claims abstract description 14
- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 239000002002 slurry Substances 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000002386 leaching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Inorganic materials [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
One kind denitration dust collecting device inside desulfurizing tower from bottom to top, is successively arranged desulfurization spray system, rises gas disk module, denitration spray system, demister, air and gas system inside purifying column；Rising gas disk module includes partition, and partition is disc structure, and through-hole is uniformly provided on partition, a liter gas cap is equipped on each through-hole；So that gas is entered a liter gas cap from through-hole, by ventilation tube and cap along with continue to rise behind gap between ventilation tube；Partition upper surface is led in overflow pipe one end, and the other end exports purifying column after curving downwards；It is recycled and is exported from overflow pipe by the desulfurizing agent that liter gas disk module sprays top denitration spray system, is isolated with lower part desulfurizing agent.Pass through above-mentioned apparatus, the utility model provides that a kind of occupied area is small, and manufacturing cost is low, and operation spends denitration dust collecting device inside small desulfurizing tower, solve equipment existing in the prior art always to take up a large area, early period the high, technical problem that operating cost is high of manufacturing cost.
Description
Technical field
The utility model relates to denitration dust collecting devices inside a kind of desulfurizing tower, belong to the field of environment protection equipment of exhaust-gas treatment.
Background technique
Traditional carries out desulphurization denitration processing to exhaust gas, interacts and mixes between desulfurization denitrification agent in order to prevent, needs
To use individual desulfurizer and denitrification apparatus.Equipment always takes up a large area, early period manufacturing cost and operating cost all compare
It is high.
Summary of the invention
In view of the above problems, the utility model proposes denitration dust collecting devices inside a kind of desulfurizing tower, inside purifying column, by
On down, it is successively arranged desulfurization spray system, rises gas disk module, denitration spray system, demister, air and gas system；Rise gas disk mould
Block includes partition, and partition is disc structure, and through-hole is uniformly provided on partition, a liter gas cap is equipped on each through-hole；Make
Gas enters a liter gas cap from through-hole, by ventilation tube and cap along with continue to rise behind gap between ventilation tube；Overflow pipe one end
Lead to partition upper surface, the other end exports purifying column after curving downwards；Top denitration spray system is sprayed by a liter gas disk module
Desulfurizing agent out is recycled from overflow pipe and is exported, and is isolated with lower part desulfurizing agent.By above-mentioned apparatus, the utility model solves existing
There is equipment present in technology always to take up a large area, early period the high, technical problem that operating cost is high of manufacturing cost.
To achieve the goals above, the technical solution adopted in the utility model are as follows: one kind denitration dust collecting inside desulfurizing tower
Device, including purifying column, purifying column lower part are equipped with air inlet, and top is equipped with gas outlet, it is characterised in that: inside purifying column,
From bottom to top, it is successively arranged desulfurization spray system, rises gas disk module, denitration spray system, demister, air and gas system；
The liter gas disk module includes partition, and partition is disc structure, through-hole is uniformly provided on partition, each
A liter gas cap is installed on through-hole；The liter gas cap includes the cap body connecting with partition, and cap body lateral surface is cased with height and is higher than
The ventilation tube of cap body, cap cover on ventilation tube, cap outer be equipped with downward cap edge, cap along with there are skies between ventilation tube
Gap makes gas enter a liter gas cap from through-hole, by ventilation tube and cap along with continue to rise behind gap between ventilation tube；Overflow pipe
Partition upper surface is led in one end, and the other end exports purifying column after curving downwards；Make top denitration spray system by a liter gas disk module
The desulfurizing agent sprayed of uniting is recycled from overflow pipe to be exported, and is isolated with lower part desulfurizing agent.
The desulfurization spray system is made of three layers of spray tube, is equipped with turbosphere on the top of first layer spray tube.
Desulphurization circulating system is equipped with outside the purifying column, the desulfurizing agent in desulphurization circulating system is exported by pump to de-
In sulphur spray system, purifying column internal gas is sprayed, is equipped with desulfurizing agent recovery pipe in purification tower bottom, it thus will be net
The desulfurizing agent of change tower bottom is delivered in desulphurization circulating system again after being recycled.
The denitrfying agent circulatory system is equipped with outside the purifying column, the denitrfying agent in denitrfying agent preparation system is delivered to denitration
In the agent circulatory system, it is transferred to denitration spray system by denitrfying agent medicine system, the denitrfying agent after spray is through a liter gas disk module
It after recycling, exports by overflow pipe, is returned in the denitrfying agent circulatory system by denitration grout return-flow system.
The cap side of the liter gas cap is equipped with water fender, does not stay in the slurries above liter gas disk on cap, but
It is flowed out by the overflow port of liter gas disk.
The utility model has the following beneficial effects: the utility model proposes denitration dust collecting device inside a kind of desulfurizing tower, it can
Desulphurization and denitration, the function of dedusting are carried out in a purifying column, and spray liquid does not interact, can be separately recovered.The utility model
Occupied area is small, cost is relatively low, removal efficiency superelevation
Detailed description of the invention
Fig. 1: for the utility model structure diagram.
Fig. 2: to rise gas disk module top view illustration in Fig. 1.
Fig. 3: the side view of gas disk module is risen for figure.
Fig. 4: to rise gas cap main view in Fig. 3.
Fig. 5: to rise gas cap side view in Fig. 3.
Specific embodiment
One kind denitration dust collecting device inside desulfurizing tower, including purifying column 11,11 lower part of purifying column are equipped with air inlet 13, top
Portion is equipped with gas outlet 14, structure are as follows: inside purifying column 11, from bottom to top, is successively arranged desulfurization spray system 7, rises gas disk
Module 6, denitration spray system 4, demister 10, air and gas system.
The liter gas disk module 6 includes partition 6-2, and partition 6-2 is disc structure, is uniformly opened on partition 6-2
There is through-hole, a liter gas cap 6-1 is installed on each through-hole；The liter gas cap 6-1 includes the cap body 6-1- connecting with partition 6-2
5, cap body 6-1-5 lateral surface is cased with the ventilation tube 6-1-4 that height is higher than cap body, and cap 6-1-2 is covered on ventilation tube 6-1-4, cap
It covers the outer 6-1-2 and is equipped with downward cap along 6-1-1, cap there are gap, makes gas from logical between 6-1-1 and ventilation tube 6-1-4
Hole enters a liter gas cap 6-1, continues to rise behind gap between 6-1-1 and ventilation tube 6-1-4 by ventilation tube 6-1-4 and cap；It overflows
The upper surface partition 6-2 is led in flow tube road one end 6-3, and the other end exports purifying column 11 after curving downwards；Made by a liter gas disk module 6
The desulfurizing agent that top denitration spray system 4 sprays is recycled from overflow pipe 6-3 and is exported, and is isolated with lower part desulfurizing agent.The liter
The side cap 6-1-2 of gas cap 6-1 is equipped with water fender 6-1-3, acts on to make the slurries above liter gas disk not stay in cap 6-1-2
On, but the outflow of the overflow port by rising gas disk.
The desulfurization spray system 7 is made of three layers of spray tube, is equipped with turbosphere 9 on the top of first layer spray tube.
Desulphurization circulating system 8 is equipped with outside the purifying column 11, the desulfurizing agent in desulphurization circulating system 8 passes through pump output
Into desulfurization spray system 7,11 internal gas of purifying column is sprayed, is equipped with desulfurizing agent recovery tube in 11 bottom of purifying column
Road is delivered in desulphurization circulating system 8 again after thus being recycled the desulfurizing agent of 11 bottom of purifying column.
The denitrfying agent circulatory system 2 is equipped with outside the purifying column 11, the denitrfying agent in denitrfying agent preparation system 1 is delivered to
In the denitrfying agent circulatory system 2, it is transferred to denitration spray system 4 by denitrfying agent medicine system 3, the denitrfying agent after spray is through a liter gas
After disk module 6 recycles, is exported by overflow pipe 6-3, the denitrfying agent circulatory system 2 is returned to by denitration grout return-flow system 5
In.
It is specific:
As shown in Figure 1, denitrfying agent preparation system 1 is connect by pipeline with the denitrfying agent circulatory system 2, denitrfying agent medicine system
3 are connected to denitration spray system 4, and denitration grout return-flow system 5 is connect by pipeline with the denitrfying agent circulatory system 2, and turbosphere 9 is pacified
Loaded between one or two layers of spray system 7, denitration spray system 4 installs demister 10, purified cigarette in top layer's spray upper end
Gas is discharged by air and gas system.
The working-flow: denitrfying agent circulation is delivered to by denitrfying agent preparation system 1 by the denitrfying agent of owner's purchase
System 2, then send the slurries for spraying to get off to denitration spray system 4 to fall on liter gas disk 6 via denitrfying agent medicine system 3, it passes through
The denitrfying agent circulatory system 2 is flow to by denitration grout return-flow system by overflow port to be recycled.
Treated that flue gas rises through a liter gas disk 6 for desulfurization spray system 7, occurs under the action of denitration spray system 4
Oxidation reaction is reacted as follows:
Oxidation panel reaction equation:
NO+ClO2+ClO+H2O→2NO3-+2Cl-+4H+
Desulphurization circulating system 8 is drawn pipeline all the way and is sent into the denitration circulatory system 2, and front end is formed NO3Ion passes through lye
Carry out neutralization absorption.
Absorber portion reaction equation:
SO3+H2O→H2SO4
Mg(OH)2+H2SO3→MgSO3+2H2O
MgSO3+H2SO3→Mg(HSO3)2
H2SO4+Mg(OH)2→MgSO4+2H2O
NO+NO2+O2+MgOH2→Mg(NO3)2+2H2O
Flue gas can pass through turbosphere 9, superpower turbulent contact absorber desulfurization and dedusting effect after through first layer spray system 8
Splendid, this technology hits gas-liquid in mass transfer field high speed, forms gas phase, liquid phase is all divided by establishing Superstrory turbulent mass transfer field
Scattered state is realized under shortest time, the smallest space, the smallest liquid-gas ratio, reaches gas-liquid and come into full contact with, and high speed is carried out
Mass transfer realizes the high dust-removal and desulfurizing efficiency under least energy consumption.
Flue gas continues to rise through a liter gas disk module 6, and the effect for rising gas disk is exactly to recycle desulphurization circulating system 8 and denitration
System 2 is separated, and slurries are completely cut off in the case where only flue gas being allowed to pass through, and is allowed to form the bicirculating mode of single column.
Rise the brief introduction of gas disk module:
It rises gas disk module technology and refers to that upper and lower level is held the liter headroom that liquid layer separates by rising gas disk device by flue gas, improve
Flue gas even distribution is realized while three-phase mass transfer rate.In the case where lower layer's desulfurization slurry is recycled, gas disk is risen
The denitration circulatory system on upper layer is also working.And accomplish that the circulatory system is non-interference in a desulfurizing tower, realizes
SO2、NOxDeep removal and dust secondary removing.Can improve in this way desulphurization denitration dedusting efficiency and save the cost,
Land occupation etc..
Rise gas disk module structure:
Rise gas cap 6-1:
It rises gas cap 6-1 as illustrated in figures 4-5, is a kind of device in partition 6-2 upper end aperture and nut cap, allows flue gas in partition
Tapping rises on to liter gas cap two sides, and carries out nut cap processing in tapping upper end, while allowing flue gas to pass through, does not allow
Layer slurries are lost.The gasifying liquid part of the lower layer carried in flue gas simultaneously can also condense into liquid by the blocking of liter gas cap
Body drips back into purification tower bottom, to realize the slurries isolation of liter gas disk upper and lower level.
In use, so partition 6-2 is set as disc-shape, purifying column is divided since purifying column is generally tube structure
For upper and lower two parts.The liter gas cap 6-1 being arranged on partition 6-2 is uniformly distributed, and the shape of middle part decilitre gas cap is same, generally
For rectangular configuration, closing at partition 6-2 circular boundary can be deformed according to partition boundary shape.Thereby guarantee that entire partition
On 6-2, removes one and slip at channel position, be distributed with a liter gas cap 6-1.
Partition 6-2 is as Figure 2-3, is located at and rises the lower end gas cap 6-1, for obstructing the slurries for rising gas disk or more.
The overflow port of overflow pipe 6-3 is located at tapping below partition, for that will rise the loop slurry outlet of gas disk upper end
Into the denitration circulatory system.Efficiency and save the cost, the land occupation etc. of desulphurization denitration can be improved in this way.
After through top layer's denitration spraying layer 4, flue gas will enter the processing stage of demister 10.At high efficiency demister
Droplet concentration >=20 μm water droplet the content of flue gas after reason should be lower than 20mg/Nm3(wet basis, standard state).
Final flue gas will be emitted into atmosphere by air and gas system.
The desulfuration efficiency of this equipment, which is up to 99%, efficiency of dust collection and reaches 85%, denitration efficiency, reaches 50% or more.
More than, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Claims (5)
1. one kind denitration dust collecting device inside desulfurizing tower, including purifying column (11), purifying column (11) lower part are equipped with air inlet
(13), top is equipped with gas outlet (14), it is characterised in that: and it is internal in purifying column (11), from bottom to top, it is successively arranged desulfurization spray
System (7) rises gas disk module (6), denitration spray system (4), demister (10), air and gas system；
The liter gas disk module (6) includes partition (6-2), and partition (6-2) is disc structure, on partition (6-2) uniformly
Be provided with through-hole, a liter gas cap (6-1) is installed on each through-hole；The liter gas cap (6-1) includes to connect with partition (6-2)
Cap body (6-1-5), cap body (6-1-5) lateral surface be cased with height be higher than cap body ventilation tube (6-1-4), cap (6-1-2) lid
On ventilation tube (6-1-4), the cap outer (6-1-2) is equipped with downward cap along (6-1-1), and cap is along (6-1-1) and ventilation tube (6-
There are gaps between 1-4), and gas is made to enter a liter gas cap (6-1) from through-hole, by ventilation tube (6-1-4) and cap along (6-1-1) with
Continue to rise behind gap between ventilation tube (6-1-4)；The upper surface partition (6-2) is led in the one end overflow pipe (6-3), the other end to
Under curve after export purifying column (11)；By liter gas disk module (6) make top denitration spray system (4) spray desulfurizing agent from overflow
Flow tube road (6-3) recycling output, is isolated with lower part desulfurizing agent.
2. one kind denitration dust collecting device inside desulfurizing tower according to claim 1, it is characterised in that: the desulfurization spray
Leaching system (7) is made of three layers of spray tube, is equipped with turbosphere (9) on the top of first layer spray tube.
3. one kind denitration dust collecting device inside desulfurizing tower according to claim 1, it is characterised in that: the purifying column
(11) external to be equipped with desulphurization circulating system (8), the desulfurizing agent in desulphurization circulating system (8) passes through pump output to desulfurization spray system
(7) in, purifying column (11) internal gas is sprayed, desulfurizing agent recovery pipe is equipped in purifying column (11) bottom, thus will
The desulfurizing agent of purifying column (11) bottom is delivered in desulphurization circulating system (8) again after being recycled.
4. one kind denitration dust collecting device inside desulfurizing tower according to claim 1, it is characterised in that: the purifying column
(11) external to be equipped with the denitrfying agent circulatory system (2), the denitrfying agent in denitrfying agent preparation system (1) is delivered to the denitrfying agent circulatory system
(2) it in, is transferred to denitration spray system (4) by denitrfying agent medicine system (3), the denitrfying agent after spray is through a liter gas disk module
(6) it after recycling, is exported by overflow pipe (6-3), the denitrfying agent circulatory system (2) is returned to by denitration grout return-flow system (5)
In.
5. according to one kind denitration dust collecting device inside desulfurizing tower described in claim 1, it is characterised in that: the liter gas cap
The cap side (6-1-2) of (6-1) is equipped with water fender (6-1-3), and the slurries above liter gas disk is made not stay in cap (6-1-2)
On, but the outflow of the overflow port by rising gas disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701490.1U CN208927927U (en) | 2018-05-11 | 2018-05-11 | One kind denitration dust collecting device inside desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701490.1U CN208927927U (en) | 2018-05-11 | 2018-05-11 | One kind denitration dust collecting device inside desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208927927U true CN208927927U (en) | 2019-06-04 |
Family
ID=66714329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820701490.1U Expired - Fee Related CN208927927U (en) | 2018-05-11 | 2018-05-11 | One kind denitration dust collecting device inside desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208927927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905454A (en) * | 2020-08-11 | 2020-11-10 | 江苏蓝晨环保科技有限公司 | Water-gas separating device |
| CN115920609A (en) * | 2023-02-01 | 2023-04-07 | 南京龙清环境科技有限公司 | Single-tower double-circulation internal gas-liquid separation device and installation process thereof |
| CN116036818A (en) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | Device and method for simultaneously desulfurizing and denitrating flue gas |
-
2018
- 2018-05-11 CN CN201820701490.1U patent/CN208927927U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905454A (en) * | 2020-08-11 | 2020-11-10 | 江苏蓝晨环保科技有限公司 | Water-gas separating device |
| CN116036818A (en) * | 2021-10-28 | 2023-05-02 | 中国石油化工股份有限公司 | Device and method for simultaneously desulfurizing and denitrating flue gas |
| CN115920609A (en) * | 2023-02-01 | 2023-04-07 | 南京龙清环境科技有限公司 | Single-tower double-circulation internal gas-liquid separation device and installation process thereof |
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| GR01 | Patent grant | ||
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Granted publication date: 20190604 |