CN107051181A - A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower - Google Patents
A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower Download PDFInfo
- Publication number
- CN107051181A CN107051181A CN201710444050.2A CN201710444050A CN107051181A CN 107051181 A CN107051181 A CN 107051181A CN 201710444050 A CN201710444050 A CN 201710444050A CN 107051181 A CN107051181 A CN 107051181A
- Authority
- CN
- China
- Prior art keywords
- carina
- paddy
- corrugated sheet
- plate
- sidewall paneling
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention relates to a kind of corrugated sheet for wet desulfuration tower and its airflow distribution device of composition, including some waveform plate modules and support beam in horizontally arranged arrangement, the waveform plate module is integrally formed by the sidewall paneling with angle of inclination of a plurality of paddy plates being parallel to each other and carina and connection paddy plate and carina, the paddy plate, sidewall paneling, some manholes have been uniformly arranged it on carina, the waveform plate module, which is bolted, to be fixed in support beam；The present invention can realize effective rectification to flue gas, after flue gas is by airflow distribution device, by optimal parameter value, due to being in tilted layout for sidewall paneling, air-flow is interfered, flue gas flow rate is reduced, makes smoke distribution in tower uniform, the slurry droplet of whereabouts is in waveform plate surface formation liquid film, extend the slurries residence time, strengthen the mass transfer between gas-liquid two-phase, improve desulfuration efficiency, improve flue gas collaboration dust removing effects；By setting bolt and support beam, simple in construction, installation and demolition and maintenance are convenient.
Description
Technical field
The present invention relates to flue gas desulfurization device auxiliary device field, more particularly to a kind of corrugated sheet for wet desulfuration tower
And its airflow distribution device.
Background technology
Contain substantial amounts of sulfur dioxide in the flue gas of coal-burning power plant's discharge, can be to environment if unprocessed directly discharge
Huge harm is produced with economic development.Increasingly strict with environmental protection standard, electric power enterprise, which is increased, to be controlled sulfur dioxide
Reason dynamics.Limestone-gypsum wet flue gas desulfurization technology be current application at most, technology most ripe sulfur removal technology, and absorb
Tower is the nucleus equipment of the technique.Boiler smoke is entered in tower by absorption tower gas approach, and flue gas rises, uptake zone with from upper
Portion is sprayed and lower gypsum slurries counter current contacting, sulfur dioxide occur neutralization reaction and it is washed remove, meanwhile, it is micro- in flue gas
Fine dust is captured by drop, and flue gas is purified.But flue gas, which enters volume after absorption tower body, to be expanded rapidly, and speed slows down,
Influenceed by tower wall is absorbed, part of smoke is flowed up along absorption tower entrance offside, and another part flue gas is then moved downward,
Absorb tower bottom stock tank and be formed about counterclockwise swirl, cause strong turbulent area, cause smoke distribution in tower extremely uneven, shadow
Ring the mass transfer effect between gas-liquid two-phase, reduction desulfuration efficiency and absorption tower collaboration efficiency of dust collection.
Based on this, it is necessary to which one kind can make smoke distribution in tower uniform, so as to improve the gas of desulfuration efficiency and efficiency of dust collection
Flow point cloth apparatus is devised.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, obtain a kind of corrugated sheet for wet desulfuration tower and
Its airflow distribution device.
The present invention is to be achieved through the following technical solutions：
A kind of corrugated sheet for wet desulfuration tower, including a waveform plate module, the waveform plate module is by a plurality of
The paddy plate and carina and the sidewall paneling with angle of inclination of connection paddy plate and carina being parallel to each other are integrally formed, the paddy plate,
Some manholes have been uniformly arranged on sidewall paneling, carina.
Preferably, the ratio of the width of the carina and paddy plate and sidewall paneling width is 1/3~2/3, the carina and
Vertical range between paddy plate is 50~120mm, and the paddy plate thickness is 2~5mm, and percent opening is 30%~60%, and through hole is straight
Footpath is 30~60mm, and the sidewall sheet thickness is 2~5mm, and percent opening is 30%~60%, and through-hole diameter is 30~50mm, side
Angle between wallboard and carina is 30 °~70 °, and the carina thickness is 2~5mm, and percent opening is 30%~60%, and through hole is straight
Footpath is 30~60mm, and carina quantity is 1~5, by optimized parameter ratio, improves efficiency.
Preferably, the angle between the sidewall paneling and carina is 30 °~60 °, specific surface area is improved, is caused to fall and break
Slurry droplet extends the slurries residence time, gas phase is fully contacted with liquid phase, enhance gas-liquid in waveform plate surface formation liquid film
Two alternate mass transfers, produce effective collision and absorption to dust or solid particle, add the trap meeting of the impurity such as dust,
Ensure that the air-flow of upper and lower sides is interfered with each other, and is reduced flue gas flow rate, is made smoke distribution in tower uniform simultaneously.
Preferably, the paddy plate thickness is 2~4mm, percent opening is 30%~50%, and through-hole diameter is 30~50mm,
Optimal thickness value can prevent the blocking of passage with pore diameter, and optimal percent opening can reduce channel resistance, pressure drop
It is low, the time that extension air-flow is interfered.
Preferably, the sidewall sheet thickness be 2~4mm, percent opening be 30%~50%, through-hole diameter be 30~
40mm, the through-hole diameter of sidewall paneling is slightly less than the through-hole diameter of paddy plate and carina, produces a channel dwell time difference, gives and flow
The time that body is fully interfered in the passage between sidewall paneling, optimal thickness value can prevent passage with pore diameter
Block, optimal percent opening can reduce channel resistance, and pressure drop is low, the time that extension air-flow is interfered.
Preferably, the carina thickness is 2~4mm, percent opening is 30%~50%, and through-hole diameter is 30~50mm,
Optimal thickness value can prevent the blocking of passage with pore diameter, and optimal percent opening can reduce channel resistance, pressure drop
It is low, the time that extension air-flow is interfered.
Preferably, the ratio of the width of the carina and paddy plate and sidewall paneling width is 1/3~1/2, width ratio is got over
It is small, gas-liquid contact with each other mass transfer ability it is stronger, to interfere with each other performance strong for sidewind up and down, but width ratio is too small, also can
Make liquid phase resistance increase, reduce efficiency of dust collection, optimal width ratio can make smoke distribution it is uniform while improve dedusting
Efficiency.
Preferably, the vertical range between the carina and paddy plate is 50~100mm, optimal vertical range can make
Flue gas is uniformly distributed, the mass transfer between reinforcing gas-liquid two-phase.
To reach above-mentioned purpose, the airflow distribution device includes some waveform plate modules and branch in horizontally arranged arrangement
Beam is supportted, the waveform plate module, which is bolted, to be fixed in support beam, adjacent two side wall panels on the upside of the waveform plate module
Between form the first unidirectional runner, the is formed between the adjacent two side wall panels corresponding with upside on the downside of the waveform plate module
Two unidirectional runners, the first flow and the gas that second flow channel is interacted to form between reversible passage, reversible passage are mutually dry
Disturb, reduce flue gas flow rate, make smoke distribution in tower uniform.
Preferably, the waveform plate module is made up of corrosion resisting alloy, the support beam and bolt are by corrosion resisting alloy
Or carbon steel is made, the waveform plate module, support beam and bolt surface are provided with anticorrosive coat, prevent from, by flue gas corrosion, making
Failure of apparatus, influences the use of device.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can realize effective rectification to flue gas, cigarette
After gas is by airflow distribution device, by optimal parameter value, due to being in tilted layout for sidewall paneling, air-flow is interfered, reduction
Flue gas flow rate, makes smoke distribution in tower uniform, meanwhile, the slurry droplet of whereabouts is in waveform plate surface formation liquid film, extension slurry
Mass transfer between liquid residence time, reinforcing gas-liquid two-phase, so that desulfuration efficiency is improved, and the collaboration of raising flue gas is removed to a certain extent
Dirt effect；By setting bolt and support beam, simple in construction, installation and demolition and maintenance are convenient, with significant advantage.
Brief description of the drawings
Fig. 1 is the structure vertical section front view of the airflow distribution device of desulfuration spray tower in the present invention；
Fig. 2 is the structural representation of waveform plate module in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is used as a preferred embodiment of the invention：
Refer to Fig. 1 and Fig. 2, a kind of corrugated sheet for wet desulfuration tower, including a waveform plate module, the waveform
Plate module is by a plurality of paddy plates 6 being parallel to each other and carina 4 and the sidewall paneling 5 with angle of inclination of connection paddy plate 6 and carina 4
It is integrally formed, the width of the carina 4 and paddy plate 6 is 1/3~2/3, the carina 4 and paddy plate 6 with the ratio of the width of sidewall paneling 5
Between vertical range be 50~120mm, the paddy plate 6, sidewall paneling 5, be uniformly arranged some manholes, institute on carina 4
The thickness of paddy plate 6 is stated for 2~5mm, percent opening is 30%~60%, through-hole diameter is 30~60mm, the thickness of sidewall paneling 5 is 2
~5mm, percent opening is 30%~60%, and through-hole diameter is 30~50mm, angle between sidewall paneling 5 and carina 4 for 30 °~
70 °, the thickness of carina 4 is 2~5mm, and percent opening is 30%~60%, and through-hole diameter is 30~60mm, and the quantity of carina 4 is 1
~7.
During optimization design, optimal parameter ratio is that the thickness of paddy plate 6 is 2~4mm, and percent opening is 30%~50%, and through hole is straight
Footpath is 30~50mm, and the thickness of sidewall paneling 5 is 2~4mm, and percent opening is 30%~50%, and through-hole diameter is 30~40mm, sidewall paneling
Angle between 5 and carina 4 is 30 °~60 °, and the thickness of carina 4 is 2~4mm, and percent opening is 30%~50%, and through-hole diameter is
The quantity of carina 4 is 1~5, the ratio of the width of width and sidewall paneling 5 of carina 4 and paddy plate 6 in 30~50mm, waveform plate module 1
It is worth for 1/3~1/2, the vertical range between carina 4 and paddy plate 6 is 50~100mm.The angle of inclination of suitable sidewall paneling 5 is carried
High specific surface area, the slurry droplet caused to fall and break extends the slurries residence time, makes gas phase and liquid in waveform plate surface formation liquid film
Mutually fully contact, enhances the mass transfer between gas-liquid two-phase, produces effective collision and absorption to dust or solid particle, adds
The trap meeting of the impurity such as dust, while ensureing that the air-flow of upper and lower sides is interfered with each other, reduces flue gas flow rate, makes flue gas point in tower
Cloth is uniform.The through-hole diameter of sidewall paneling 5 is slightly less than the through-hole diameter of paddy plate 6 and carina 4, produces a channel dwell time difference,
Give the time fully interfered in passage of the fluid between sidewall paneling 5, optimal thickness value and pore diameter can be to prevent
The only blocking of passage, optimal percent opening can reduce channel resistance, and pressure drop is low, the time that extension air-flow is interfered.It is wide
Spend that ratio is smaller, gas-liquid contact with each other mass transfer ability it is stronger, to interfere with each other performance strong for sidewind up and down, but width ratio mistake
It is small, can also make liquid phase resistance increase, reduce efficiency of dust collection, optimal width ratio can make smoke distribution it is uniform while carry
High efficiency of dust collection.Optimal vertical range can be uniformly distributed flue gas, the mass transfer between reinforcing gas-liquid two-phase.In the present embodiment,
The thickness of paddy plate 6 is 3mm, and percent opening is 40%, and through-hole diameter is 35mm, and the thickness of sidewall paneling 5 is 3mm, and percent opening is 40%, through hole
A diameter of 35mm, the angle between sidewall paneling 5 and carina 4 is 45 °, and the thickness of carina 4 is 3mm, and percent opening is 40%, through-hole diameter
For 35mm, the quantity of carina 4 is 3 in waveform plate module 1, and the ratio of the width and the width of sidewall paneling 5 of carina 4 and paddy plate 6 is
1/2, the vertical range between carina 4 and paddy plate 6 is 65mm.
To reach above-mentioned purpose, the airflow distribution device includes some Hes of waveform plate module 1 in horizontally arranged arrangement
Support beam 2, the waveform plate module 1 is fastened in support beam 2 by bolt 3, the upside of waveform plate module 1 adjacent two
The first unidirectional runner, the adjacent two side wall panels 5 corresponding with upside of the downside of waveform plate module 1 are formed between sidewall paneling 5
Between form the second unidirectional runner, the first flow and second flow channel are interacted to form between reversible passage, reversible passage
Gas is interfered, and reduces flue gas flow rate, makes smoke distribution in tower uniform.The waveform plate module 1 is by corrosion resisting alloy system
Into the support beam 2 and bolt 3 are made up of corrosion resisting alloy or carbon steel, the waveform plate module 1, support beam 2 and bolt 3
Surface is provided with anticorrosive coat, prevents by flue gas corrosion, makes failure of apparatus, influences the use of device.
The present apparatus is arranged between adsorption tower smoke entrance and bottom spraying layer, with absorbing the waveform template die that tower wall is connected
The profile of block 1 is needed by cutting to adapt to absorb tower wall, and flue gas enters behind absorption tower, and rapid spatial expansion, speed slows down, and one
Partial fume is flowed up, and another part flue gas is moved downward, during by the present apparatus, after flue gas is by airflow distribution device,
By being in tilted layout for optimal parameter value and sidewall paneling 5, interfere air-flow, reaching makes smoke distribution in tower uniform, from
And improve the purpose of desulfuration efficiency and efficiency of dust collection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of corrugated sheet for wet desulfuration tower, it is characterised in that including a waveform plate module, the waveform plate module
It is integrally formed by the sidewall paneling with angle of inclination of a plurality of paddy plates being parallel to each other and carina and connection paddy plate and carina, institute
State paddy plate, sidewall paneling, be uniformly arranged some manholes on carina.
2. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The carina and paddy plate
The ratio of width and sidewall paneling width be 1/3~2/3, the vertical range between the carina and paddy plate is 50~120mm, institute
Paddy plate thickness is stated for 2~5mm, percent opening is 30%~60%, through-hole diameter is 30~60mm, the sidewall sheet thickness is 2~
5mm, percent opening is 30%~60%, and through-hole diameter is 30~50mm, and the angle between sidewall paneling and carina is 30 °~70 °, institute
Carina thickness is stated for 2~5mm, percent opening is 30%~60%, through-hole diameter is 30~60mm, carina quantity is 1~5.
3. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The sidewall paneling and peak
Angle between plate is 30 °~60 °.
4. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The paddy plate thickness is
2~4mm, percent opening is 30%~50%, and through-hole diameter is 30~50mm.
5. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The sidewall sheet thickness
For 2~4mm, percent opening is 30%~50%, and through-hole diameter is 30~40mm.
6. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The carina thickness is
2~4mm, percent opening is 30%~50%, and through-hole diameter is 30~50mm.
7. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The carina and paddy plate
The ratio of width and sidewall paneling width be 1/3~1/2.
8. a kind of corrugated sheet for wet desulfuration tower according to claim 1, it is characterised in that：The carina and paddy plate
Between vertical range be 50~100mm.
9. the airflow distribution device that the corrugated sheet described in a kind of utilization claim 1 is constituted, it is characterised in that the air flow method
Device includes some waveform plate modules and support beam in horizontally arranged arrangement, and the waveform plate module is bolted fixation
In support beam, the first unidirectional runner, the waveform plate module are formed on the upside of the waveform plate module between adjacent two side wall panels
The second unidirectional runner is formed between the adjacent two side wall panels corresponding with upside of downside, the first flow and second flow channel are mutual
Phase separation forms reversible passage.
10. a kind of airflow distribution device according to claim 9, it is characterised in that：The waveform plate module is by corrosion-resistant
Alloy is made, and the support beam and bolt are made up of corrosion resisting alloy or carbon steel, the waveform plate module, support beam and bolt
Surface is provided with anticorrosive coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444050.2A CN107051181A (en) | 2017-06-13 | 2017-06-13 | A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444050.2A CN107051181A (en) | 2017-06-13 | 2017-06-13 | A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107051181A true CN107051181A (en) | 2017-08-18 |
Family
ID=59595500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710444050.2A Withdrawn CN107051181A (en) | 2017-06-13 | 2017-06-13 | A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107051181A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211760A (en) * | 2017-12-29 | 2018-06-29 | 浙江百能科技有限公司 | A kind of desulfurizing tower efficient low-resistance enhancing device |
| CN109893972A (en) * | 2019-03-21 | 2019-06-18 | 苏州嘉诺环境工程有限公司 | A kind of degradable organic waste gas treatment system and processing method |
| CN111729501A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | Novel tray of high strength and desulfurizing tower |
| CN111729500A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | Novel tray of assembled anticreep high strength |
| CN111729499A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | High-strength air flow uniform distribution plate and desulfurizing tower |
| CN112403431A (en) * | 2020-10-27 | 2021-02-26 | 中国科学院过程工程研究所 | Wave-shaped supporting plate, tower equipment and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975659A (en) * | 1995-09-08 | 1997-03-25 | Babcock Hitachi Kk | Wet exhaust gas desulfurizer |
| CN101444698A (en) * | 2008-12-05 | 2009-06-03 | 青岛碱业股份有限公司 | Desulphurizing tower for desulphurizing with seawater soda-residue emulsion |
| CN205774363U (en) * | 2016-05-25 | 2016-12-07 | 中冶焦耐工程技术有限公司 | A kind of combination type demister |
| CN206911118U (en) * | 2017-06-13 | 2018-01-23 | 武汉立为工程技术有限公司 | A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower |
-
2017
- 2017-06-13 CN CN201710444050.2A patent/CN107051181A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975659A (en) * | 1995-09-08 | 1997-03-25 | Babcock Hitachi Kk | Wet exhaust gas desulfurizer |
| CN101444698A (en) * | 2008-12-05 | 2009-06-03 | 青岛碱业股份有限公司 | Desulphurizing tower for desulphurizing with seawater soda-residue emulsion |
| CN205774363U (en) * | 2016-05-25 | 2016-12-07 | 中冶焦耐工程技术有限公司 | A kind of combination type demister |
| CN206911118U (en) * | 2017-06-13 | 2018-01-23 | 武汉立为工程技术有限公司 | A kind of corrugated sheet and its airflow distribution device for wet desulfuration tower |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211760A (en) * | 2017-12-29 | 2018-06-29 | 浙江百能科技有限公司 | A kind of desulfurizing tower efficient low-resistance enhancing device |
| CN108211760B (en) * | 2017-12-29 | 2021-03-09 | 浙江百能科技有限公司 | High-efficiency low-resistance synergistic device for desulfurizing tower |
| CN109893972A (en) * | 2019-03-21 | 2019-06-18 | 苏州嘉诺环境工程有限公司 | A kind of degradable organic waste gas treatment system and processing method |
| CN111729501A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | Novel tray of high strength and desulfurizing tower |
| CN111729500A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | Novel tray of assembled anticreep high strength |
| CN111729499A (en) * | 2020-07-28 | 2020-10-02 | 中国华电科工集团有限公司 | High-strength air flow uniform distribution plate and desulfurizing tower |
| CN112403431A (en) * | 2020-10-27 | 2021-02-26 | 中国科学院过程工程研究所 | Wave-shaped supporting plate, tower equipment and application |
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Application publication date: 20170818 |