CN208406543U - A kind of device removing SCR denitration device inlet flue gas sulfur trioxide and flue dust - Google Patents
A kind of device removing SCR denitration device inlet flue gas sulfur trioxide and flue dust Download PDFInfo
- Publication number
- CN208406543U CN208406543U CN201820805578.8U CN201820805578U CN208406543U CN 208406543 U CN208406543 U CN 208406543U CN 201820805578 U CN201820805578 U CN 201820805578U CN 208406543 U CN208406543 U CN 208406543U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- inlet
- absorption liquid
- sulfur trioxide
- scr denitration
- Prior art date
- 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.)
- Expired - Fee Related
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- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003500 flue dust Substances 0.000 title description 12
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 12
- 230000023556 desulfurization Effects 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 6
- 239000004071 soot Substances 0.000 claims abstract 9
- 238000005507 spraying Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 abstract 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 abstract 1
- 230000003009 desulfurizing effect Effects 0.000 description 17
- 239000007789 gas Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- -1 flue gas Nitrogen oxides Chemical class 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
本实用新型公开一种脱除SCR脱硝装置入口烟气三氧化硫及烟尘的装置，包括除尘装置，除尘装置内设置有三个人字形的减速板，烟气管路，脱硫塔，吸收液入口，吸收液出口，第一吸收液循环管路，第一循环泵，第一喷淋装置，挡板，托盘，吸收液储罐，第二吸收液循环管路，第二循环泵，第二喷淋装置，烟气出口。本实用新型提供的一种脱除SCR脱硝装置入口烟气中三氧化硫及烟尘的装置，设备运行及维护成本低，技术成熟，设备可靠，可有效的脱除SCR脱硝装置入口烟气中三氧化硫及烟尘，保证SCR脱硝装置的脱硝效果。
The utility model discloses a device for removing sulfur trioxide and soot from flue gas at the inlet of an SCR denitration device, which comprises a dust removal device. The dust removal device is provided with three herringbone deceleration plates, a flue gas pipeline, a desulfurization tower, an absorption liquid inlet, and an absorption Liquid outlet, first absorption liquid circulation pipeline, first circulation pump, first spray device, baffle, tray, absorption liquid storage tank, second absorption liquid circulation pipeline, second circulation pump, second spray device , the flue gas outlet. The device provided by the utility model for removing sulfur trioxide and soot from the flue gas at the inlet of the SCR denitration device has the advantages of low equipment operation and maintenance cost, mature technology and reliable equipment, and can effectively remove the three elements in the flue gas at the inlet of the SCR denitration device. Sulfur oxide and soot ensure the denitration effect of SCR denitration device.
Description
Technical field
The invention belongs to environmental technology fields, and in particular to sulfur trioxide in a kind of removing SCR denitration device inlet flue gas
And the device of flue dust.
Background technique
Currently, the most widely used gas denitrifying technology of power plant is selective catalytic reduction (SCR) technique both at home and abroad.It is led
Wanting principle is: under the effect of the catalyst, making in reducing agent (generally mixing with air gas with ammonia) and boiler tail flue gas
Nitrogen oxides be sufficiently mixed and react, generate nitrogen and water, reach denitration purpose.In the technique, reducing agent need to be by spraying ammonia
Device uniformly sprays into flue and is mixed with flue gas, and the uniform mixability of reducing agent and flue gas will directly influence denitration system
The operational efficiency and operational effect of system, when mixed effect is bad, it may appear that denitration efficiency is low, the escaping of ammonia rate is high, air preheater fortune
The adverse effects such as row resistance increase, the serious safe and stable operation that also will affect boiler host.Therefore, in order to be promoted at denitration
The effect of reason needs to carry out removing sulfur trioxide and dust treatment to the flue gas entered in denitrification apparatus.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides three oxygen in a kind of removing SCR denitration device inlet flue gas
Change the device of sulphur and flue dust.
The utility model is achieved through the following technical solutions.
The device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas, including dust-extraction unit, it is described to remove
Three lambdoid flaps are provided in dirt device, the outlet of dust-extraction unit is connected with flue gas pipeline, the flue gas pipeline
The other end is connected with desulfurizing tower, and the bottom storage of the desulfurizing tower has absorbing liquid, and the bottom of desulfurizing tower is provided with absorbing liquid simultaneously
Entrance, absorbing liquid export, the first absorbing liquid circulation line, and first circulation pump is provided on the first absorbing liquid circulation line,
The other end of the first absorbing liquid circulation line is provided with the first spray equipment, and first spray equipment againsts desulfurizing tower
Inner wall arrangement, first spray equipment are arranged in the top of desulfurizing tower gas inlet, the desulfurizing tower gas inlet it is following
It against desulfurization inner wall of tower on edge and is provided with baffle, the width of the baffle is at least 10cm, the top of first spray equipment,
Desulfurizing tower centre is provided with pallet, the bottom end of the pallet passes through piping connection on absorbing liquid storage tank, the suction
The bottom end for receiving liquid storage tank is provided with the second absorbing liquid circulation line, is provided with second circulation on the second absorbing liquid circulation line
Pump, the other end of the second circulation pipeline are connected with the second spray equipment, and the upper of pallet is arranged in second spray equipment
Side, the top of desulfurizing tower is provided with exhanst gas outlet.
In the utility model, above-mentioned flue gas pipeline is round table-like.
In the utility model, mechanical compression table is provided with after above-mentioned first circulation pump and second circulation pump.
In the utility model, storage tank absorbing liquid entrance and the outlet of storage tank absorbing liquid are provided on above-mentioned absorption liquid storage tank.
In the utility model, demisting plate is provided between the top and exhanst gas outlet of second spray equipment.
In the utility model, the blade construction of the demisting plate is folding shape plate.
From the above technical scheme, it can be seen that the beneficial effects of the utility model are:
The device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas provided by the utility model, if
Received shipment row and maintenance cost are low, and technology maturation, equipment is reliable, can effectively remove three oxidation in SCR denitration device inlet flue gas
Sulphur and flue dust guarantee the denitration effect of SCR denitration device.Wherein, the dust-extraction unit of the utility model, according to the flow field of flue gas point
It is arranged after analysis, can effectively removes the grieshoch in flue gas；Desulfurizing tower in the utility model passes through the absorbing liquid of bottom and
One spray equipment can effectively remove the sulfur trioxide in flue gas, while the setting of baffle, can promote the injection of the first spray equipment
Under absorbing liquid sputtering effect, and then increase absorbing liquid absorb sulfur trioxide effect；Pass through setting for the second spray equipment
It sets, can further remove the sulfur trioxide in flue gas.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In
Fig. 1 is the knot of the device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas of the utility model
Structure schematic diagram.
Fig. 2 is to remove in the device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas of the utility model
The top view of dirt device.
Fig. 3 is to keep off in the device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas of the utility model
The top view of plate.
Fig. 4 is in a kind of removing SCR denitration device inlet flue gas of the utility model the in the device of sulfur trioxide and flue dust
The top view of one spray equipment.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The device of sulfur trioxide and flue dust in a kind of removing SCR denitration device inlet flue gas, including dust-extraction unit 1, it is described
Three lambdoid flaps 2 are provided in dust-extraction unit 1, the outlet of dust-extraction unit 1 is connected with flue gas pipeline 3, the flue gas
The other end of pipeline 3 is connected with desulfurizing tower 4, and the bottom storage of the desulfurizing tower 4 has absorbing liquid 5, and the bottom of desulfurizing tower 4 is set simultaneously
It is equipped with absorbing liquid entrance 6, absorbing liquid outlet 7, the first absorbing liquid circulation line 8 is arranged on the first absorbing liquid circulation line 8
There is first circulation to pump 9, the other end of the first absorbing liquid circulation line 8 is provided with the first spray equipment 10, first spray
Shower device 10 againsts the inner wall arrangement of desulfurizing tower 4, and the top of 4 gas inlet of desulfurizing tower is arranged in first spray equipment 10,
It againsts desulfurization inner wall of tower on the lower edge of the desulfurizing tower gas inlet and is provided with baffle 11, the width of the baffle 11 is
15cm, the top of first spray equipment 10 are provided with pallet 12, the bottom of the pallet 12 positioned at 4 centre of desulfurizing tower
Through piping connection on absorbing liquid storage tank 13, the bottom end for absorbing liquid storage tank 13 is provided with second at end, and described second absorbs
Second circulation pump 15 is provided on 14 pipeline 14 of liquid circulating absorption solution circulation line, the other end of the second circulation pipeline 14 connects
It is connected to the second spray equipment 16, the top of pallet 12 is arranged in second spray equipment 16, and the top of desulfurizing tower 4 is provided with cigarette
Gas outlet 17.
In the utility model, above-mentioned flue gas pipeline 3 is round table-like.
In the utility model, mechanical compression table 18 is provided with after above-mentioned first circulation pump 9 and second circulation pump 15.
In the utility model, storage tank absorbing liquid entrance 19 and the outlet of storage tank absorbing liquid are provided on above-mentioned absorption liquid storage tank 13
20。
In the utility model, demisting plate 21 is provided between the top and exhanst gas outlet 17 of second spray equipment 16.
In the utility model, the blade construction of the demisting plate 21 is folding shape plate.
It should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application.Although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to reality
It is modified or replaced equivalently with novel technical solution, it, should all without departing from the range of technical solutions of the utility model
Cover in the scope of the claims of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805578.8U CN208406543U (en) | 2018-05-29 | 2018-05-29 | A kind of device removing SCR denitration device inlet flue gas sulfur trioxide and flue dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805578.8U CN208406543U (en) | 2018-05-29 | 2018-05-29 | A kind of device removing SCR denitration device inlet flue gas sulfur trioxide and flue dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208406543U true CN208406543U (en) | 2019-01-22 |
Family
ID=65111996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820805578.8U Expired - Fee Related CN208406543U (en) | 2018-05-29 | 2018-05-29 | A kind of device removing SCR denitration device inlet flue gas sulfur trioxide and flue dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208406543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124489A (en) * | 2019-06-27 | 2019-08-16 | 陈炜健 | A kind of steel sintering flue gas desulfurization and denitrification equipment |
| CN111841155A (en) * | 2020-08-11 | 2020-10-30 | 西安西热锅炉环保工程有限公司 | A device and method for pre-removing coarse particle ash before SCR denitration device |
-
2018
- 2018-05-29 CN CN201820805578.8U patent/CN208406543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124489A (en) * | 2019-06-27 | 2019-08-16 | 陈炜健 | A kind of steel sintering flue gas desulfurization and denitrification equipment |
| CN111841155A (en) * | 2020-08-11 | 2020-10-30 | 西安西热锅炉环保工程有限公司 | A device and method for pre-removing coarse particle ash before SCR denitration 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190529 |