CN209772957U - Marine SCR reactor ash removal device - Google Patents
Marine SCR reactor ash removal device Download PDFInfo
- Publication number
- CN209772957U CN209772957U CN201920185058.6U CN201920185058U CN209772957U CN 209772957 U CN209772957 U CN 209772957U CN 201920185058 U CN201920185058 U CN 201920185058U CN 209772957 U CN209772957 U CN 209772957U
- Authority
- CN
- China
- Prior art keywords
- ash removal
- manual
- valve
- catalyst
- pipe
- 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.)
- Active
Links
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
the utility model discloses a dust cleaning device of a marine SCR reactor, which relates to the technical field of marine denitration and comprises an SCR reactor, the device comprises an SCR reactor, a first catalyst and a second catalyst, wherein the SCR reactor is provided with a flue gas inlet and a flue gas outlet, a pressure difference transmitter is arranged between the flue gas inlet and the flue gas outlet, a sound wave ash remover unit is arranged inside the SCR reactor and comprises a first sound wave ash remover and a second sound wave ash remover, a compressed air power unit is arranged on one side of the SCR reactor and comprises a first manual ash removal valve, a second manual ash removal valve, a third manual ash removal valve, a pressure transmitter, a first electromagnetic valve, a second electromagnetic valve, a first air inlet pipe, a second air inlet pipe, a third air inlet pipe and a tee joint, and a control system controls the first electromagnetic valve and the second electromagnetic valve respectively. Has the characteristics of good ash removal effect and high safety.
Description
Technical Field
The utility model relates to the technical field of boats and ships denitration especially relates to a marine SCR reactor ash removal device.
background
In 10 months 2008, IMO formal passed MARPOL73/78 with VI amendments NOX technical rules for NOXStrict restriction requirements are provided for emission, and the SCR technology can reduce 80-95% of NO of marine diesel engineXThe emission is the only control technology which can meet the Tier III emission standard at present, so that the SCR technology adopted in the post-treatment of the tail gas of the marine diesel engine is a necessary trend.
The SCR (selective catalytic reduction) technology aims at NO in tail gas emissionXthe treatment process of (1) is to spray a reducing agent under the action of a catalyst to treat NO in the tail gasXReduction to N2and H2And O. The ship diesel engine usually uses inferior fuel oil with high sulfur content, a large amount of fine and sticky particles are generated during combustion to cover the surface of the catalyst, the SCR carbon deposition problem becomes a main reason influencing the reduction of the catalytic efficiency of the catalyst, and SO in flue gas is generated during the catalytic reduction process2With a reducing agent NH3The ammonium bisulfate generated by the reaction has the danger of blocking the SCR catalyst, finally influences the denitration effect and does not meet the requirement of environmental protection.
In the prior art, the ash removal treatment of the SCR reactor adopts compressed air for ash removal, which has the following defects; firstly, the ash removal efficiency is low, dead corners are easy to remain, the more ash in the dead corners is accumulated, the catalyst in the dead corners is thoroughly blocked, meanwhile, the treatment load of the catalyst in other parts is increased, the treatment efficiency is reduced, and the vicious circle is entered; secondly, compressed air directly contacts with the catalyst, and impact force generated by the compressed air abrades the catalyst to generate fatigue damage; thirdly, high-pressure compressed air is used for cleaning ash at regular time, so that disturbance is generated on the flue gas, and the uniform distribution of a flue gas temperature field and a flow field is influenced; fourthly, the compressed air injection port is small, the diameter is less than or equal to 1.5mm generally, and the compressed air is easy to block; fifthly, compressed air is only contacted with the surface of the catalyst for ash removal, and ash in the pore channel of the catalyst cannot be effectively removed, so that the catalytic efficiency is reduced; sixth, in the SCR reactor with the compressed air ash removal mode, a compressed air ash removal pipeline in the reactor is longer and almost equal to the length of the section of the reactor in size, if the ash removal pipeline is blocked, the extraction is difficult, and the requirement on maintenance space is high; and seventhly, in the SCR reactor adopting a compressed air ash removal mode, the distance between a compressed air pipeline in the reactor and the surface of the catalyst is generally not less than 200mm, so that the size of the catalyst reactor is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a marine SCR reactor ash removal device for solve above-mentioned technical problem.
The utility model adopts the technical scheme as follows:
A marine SCR reactor ash removal device includes:
the SCR reactor comprises a reactor main body steel structure, a first catalyst, a second catalyst, a heat insulation layer and a pressure difference transmitter, wherein the heat insulation layer is arranged on the outer side wall of the reactor main body steel structure, a flue gas inlet is formed in one end of the reactor main body steel structure, the flue gas outlet is formed in the other end of the reactor main body steel structure, the first catalyst and the second catalyst are arranged inside the reactor main body steel structure, the first catalyst is located on the upper side of the second catalyst, and the pressure difference transmitter is arranged between the flue gas inlet and the flue gas outlet;
The acoustic wave ash remover unit is arranged inside a steel structure of the reactor main body and comprises a first acoustic wave ash remover and a second acoustic wave ash remover, the first acoustic wave ash remover is positioned between the first catalyst and the second catalyst, and the second acoustic wave ash remover is positioned at the lower side of the second catalyst;
compressed air power unit, one side of SCR reactor is equipped with compressed air power unit, compressed air power unit includes first manual deashing valve, the manual deashing valve of second, the manual deashing valve of third, pressure transmitter, first solenoid valve, second solenoid valve, first intake pipe, second intake pipe, third intake pipe and tee bend, the one end of first intake pipe is compressed air inlet, the other end of first intake pipe with the air inlet of tee bend is connected, the one end of second intake pipe with a tee bend gas outlet is connected, the other end of second intake pipe with first sound wave deashing ware is connected, the one end of third intake pipe with another three-way gas outlet is connected, the other end of third intake pipe with second sound wave deashing ware is connected, wherein, by on the first intake pipe the one end of first intake pipe to the other end of first intake pipe is equipped with in proper order first manual deashing valve The second air inlet pipe is provided with two second manual ash removal valves, the first electromagnetic valve is arranged between the two second manual ash removal valves, the third air inlet pipe is provided with two third manual ash removal valves, and the second electromagnetic valve is arranged between the two third manual ash removal valves;
a control system that controls the first and second solenoid valves, respectively.
Preferably, the dust removing device further comprises a first U-shaped air pipe, two air ports of the first U-shaped air pipe are respectively communicated with the second air inlet pipe, and the two second manual dust removing valves are located between the two air ports of the first U-shaped air pipe.
Preferably, the dust removing device further comprises a second U-shaped air pipe, two air ports of the second U-shaped air pipe are respectively communicated with the third air inlet pipe, and the two third manual dust removing valves are located between the two air ports of the second U-shaped air pipe.
As a further optimization, the dust remover further comprises a fourth manual dust removing valve, and the fourth manual dust removing valve is arranged on the first U-shaped air pipe.
as a further optimization, the dust remover further comprises a fifth manual dust removing valve, and the fifth manual dust removing valve is arranged on the second U-shaped air pipe.
preferably, the manual dust removing device further comprises a decompression filter, the decompression filter is arranged on the first air inlet pipe and is located between the first manual dust removing valve and the pressure transmitter.
A use method of a marine SCR reactor ash removal device comprises the following steps:
S1, firstly, adjusting a pressure gas circuit of the compressed air power unit, and observing a pressure display value of the differential pressure transmitter;
s2, setting the working frequency and each working time of the first sound wave ash remover and the second sound wave ash remover respectively through the control system, wherein the time interval of the working frequency of the first sound wave ash remover and the working time of the second sound wave ash remover are both 0.5-6 h, the working time of the first sound wave ash remover and the working time of the second sound wave ash remover are both 10-30S, then controlling the first electromagnetic valve through the control system, controlling the first sound wave ash remover to work through the first electromagnetic valve, controlling the second electromagnetic valve through the control system, and controlling the second sound wave ash remover to work through the second electromagnetic valve;
And S3, observing the differential pressure transmitter, when the difference between the pressure values displayed on the differential pressure transmitter exceeds a set value, immediately opening the second electromagnetic valve, closing the first electromagnetic valve, and immediately zeroing and repeating the S2 to automatically control the time interval of the working frequency of the first sound wave ash remover and the second sound wave ash remover and the working time of each second sound wave ash remover.
As a further preferred, the process of adjusting the pressure gas circuit of the compressed air power unit is as follows: the method comprises the steps of firstly opening the first manual ash removal valve, the second manual ash removal valve, the third manual ash removal valve, then opening the fourth manual ash removal valve, closing the fifth manual ash removal valve, adjusting a decompression filter, observing a pressure display value of the pressure difference transmitter to enable the pressure display value to be within the range of 0.4 Mpa-0.8 Mpa, then closing the fourth manual ash removal valve, opening the fifth manual ash removal valve, observing the pressure display value of the pressure difference transmitter to enable the pressure display value to be within the range of 0.4 Mpa-0.8 Mpa, and finally closing the fifth manual ash removal valve.
as a further preference, when the first electromagnetic valve is in failure or needs to be replaced, the fourth manual ash removal valve is opened to perform manual ash removal.
As a further preference, when the second electromagnetic valve is in failure or needs to be replaced, a fifth manual ash removal valve is opened to perform manual ash removal.
the technical scheme has the following advantages or beneficial effects:
(1) In the utility model, the sound wave generated by the sound wave ash remover has the functions of reflection, transmission and diffraction, and the sound wave can enter the micro-channel of the catalyst regardless of the installation position and direction of the sound wave ash remover, so that the deposition of dust particles is effectively prevented, therefore, no dead angle is left for sound wave ash removal, and higher catalytic efficiency can be kept;
(2) In the utility model, the acoustic wave ash cleaner does not introduce other ash cleaning media, and is a non-contact ash cleaning mode, so that the acoustic wave ash cleaner has no side effect on the catalyst;
(3) In the utility model, the requirement of safe space is low, the action area of the acoustic wave ash cleaner is large, the length of the acoustic wave ash cleaner accounts for 1/3-1/2 of the length of the cross section of the reactor, and the requirement of maintenance space is low;
(4) In the utility model, the air consumption of the acoustic wave ash cleaner is about 1.2Nm 3/min-2.4 Nm3/min, which is far lower than that of directly using compressed air to clean ash, the consumption of the compressed air is small, and the operating cost is low;
(5) In the utility model, the installation requirement of the sound wave ash remover is simple, the sound wave ash remover does not need to be in direct contact with the catalyst, and the distance from the sound wave ash remover to the catalyst is 100mm, so that the size of the sound wave ash remover is reduced in the length direction;
(6) The utility model discloses in, sound wave deashing ware long service life, normal life is greater than two years, also does not have mechanical transmission part, need not to overhaul, also does not have the risk that compressed air deashing hole blockked up.
Drawings
FIG. 1 is a schematic structural diagram of the ash removal device of the marine SCR reactor of the present invention;
FIG. 2 is a flow chart of the method of using the ash removal device of the marine SCR reactor of the present invention.
in the figure: 1. an SCR reactor; 2. a reactor main body steel structure; 3. a first catalyst; 4. a second catalyst; 5. a heat-insulating layer; 6. a differential pressure transmitter; 7. a flue gas inlet; 8. a flue gas outlet; 9. a first sonic ash remover; 10. a second sonic ash remover; 11. a first manual ash removal valve; 12. a second manual ash removal valve; 13. a third manual ash removal valve; 14. a pressure transmitter; 15. a first solenoid valve; 16. a second solenoid valve; 17. a first intake pipe; 18. a second intake pipe; 19. a third intake pipe; 20. a tee joint; 21. a first U-shaped air pipe; 22. a second U-shaped air pipe; 23. a fourth manual ash removal valve; 24. a fifth manual ash removal valve; 25. and a pressure reducing filter.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a schematic structural diagram of the marine SCR reactor ash removal device of the present invention, fig. 2 is a flow chart of the method for using the marine SCR reactor ash removal device of the present invention, please refer to fig. 1 to fig. 2, which show a preferred embodiment, a marine SCR reactor ash removal device shown, includes:
SCR reactor 1, SCR reactor 1 includes reactor main part steel construction 2, first catalyst 3, second catalyst 4, heat preservation 5, pressure differential transmitter 6, be equipped with heat preservation 5 on reactor main part steel construction 2's the lateral wall, reactor main part steel construction 2's one end is equipped with flue gas inlet 7, reactor main part steel construction 2's the other end is equipped with exhanst gas outlet 8, reactor main part steel construction 2's inside is equipped with first catalyst 3 and second catalyst 4, and first catalyst 3 is located the upside of second catalyst 4, be equipped with a pressure differential transmitter 6 between 7 departments of flue gas inlet and 8 departments of exhanst gas outlet. In this embodiment, a first catalyst layer and a second catalyst layer are disposed in the steel structure 2 of the reactor main body, the first catalyst layer is used for containing the first catalyst 3, and the second catalyst layer is used for containing the second catalyst 4.
the device comprises a sound wave ash removal device unit, wherein the sound wave ash removal device unit is arranged inside a steel structure 2 of a reactor main body and comprises a first sound wave ash removal device 9 and a second sound wave ash removal device 10, the first sound wave ash removal device 9 is positioned between a first catalyst 3 and a second catalyst 4, and the second sound wave ash removal device 10 is positioned on the lower side of the second catalyst 4. The first sonic ash remover 9 and the second sonic ash remover 10 in the present embodiment have the same structure.
A compressed air power unit, a compressed air power unit is arranged at one side of the SCR reactor 1, the compressed air power unit comprises a first manual ash removal valve 11, a second manual ash removal valve 12, a third manual ash removal valve 13, a pressure transmitter 14, a first electromagnetic valve 15 and a second electromagnetic valve 16, a first air inlet pipe 17, a second air inlet pipe 18, a third air inlet pipe 19 and a tee joint 20, one end of the first air inlet pipe 17 is a compressed air inlet, the other end of the first air inlet pipe 17 is connected with an air inlet of the tee joint 20, one end of the second air inlet pipe 18 is connected with an air outlet of the tee joint 20, the other end of the second air inlet pipe 18 is connected with a first sound wave ash removal device 9, one end of the third air inlet pipe 19 is connected with another air outlet of the tee joint 20, the other end of the third air inlet pipe 19 is connected with a second sound wave ash removal device 10, wherein the first manual ash removal valve 11 and the pressure transmitter 17 are sequentially arranged from one end of the first air inlet pipe 14, two second manual ash removal valves 12 are arranged on the second air inlet pipe 18, a first electromagnetic valve 15 is arranged between the two second manual ash removal valves 12, two third manual ash removal valves 13 are arranged on the third air inlet pipe 19, and a second electromagnetic valve 16 is arranged between the two third manual ash removal valves 13. The tee 20 has one inlet and two outlets. In the present embodiment, the first intake pipe 17 communicates with the second intake pipe 18 to form a first compressed air pipe, and the first intake pipe 17 communicates with the third intake pipe 19 to form a second compressed air pipe. The pressure transmitter 14 monitors the pressure of the first compressed air pipeline and the pressure of the second compressed air pipeline in real time, and when the pressure is not within the interval of 0.4-0.8 Mpa, an alarm is given. The tee 20 in this embodiment is a tee fitting or other tee fitting.
A control system (not shown in the figures) which controls the first solenoid valve 15 and the second solenoid valve 16, respectively. The control system is a control panel, a processor is arranged in the control panel, the processor is in signal connection with the first electromagnetic valve 15 and the second electromagnetic valve 16, a first control button and a second control button are arranged on the control panel, the first control button is used for controlling the first electromagnetic valve 15 to be opened or closed, and the second control button is used for controlling the second electromagnetic valve 16 to be opened or closed.
Further, as a preferred embodiment, the compressed air power unit further includes a first U-shaped air pipe 21, two air ports of the first U-shaped air pipe 21 are respectively communicated with the second air inlet pipe 18, and two second manual ash removal valves 12 are located between two air ports of the first U-shaped air pipe 21.
further, as a preferred embodiment, the compressed air power unit further includes a second U-shaped air pipe 22, two air ports of the second U-shaped air pipe 22 are respectively communicated with the third air pipe 19, and two third manual ash removal valves 13 are located between two air ports of the second U-shaped air pipe 22.
further, as a preferred embodiment, the compressed air power unit further includes a fourth manual ash removal valve 23, and the fourth manual ash removal valve 23 is disposed on the first U-shaped air pipe 21.
Further, as a preferred embodiment, the compressed air power unit further includes a fifth manual ash removal valve 24, and the fifth manual ash removal valve 24 is disposed on the second U-shaped air pipe 22.
Further, as a preferred embodiment, the compressed air power unit further includes a pressure reducing filter 25, the first air inlet pipe 17 is provided with the pressure reducing filter 25, and the pressure reducing filter 25 is located between the first manual ash removing valve 11 and the pressure transmitter 14. In this embodiment, the compressed air is decompressed to 0.4 Mpa-0.8 Mpa through the decompression filter 25, so as to ensure the pressure to be stable in this range, and simultaneously, oil, moisture and dust in the compressed air are filtered out, so as to protect the first acoustic wave ash remover 9 and the second acoustic wave ash remover 10.
The following describes a preferred method of use of the present invention, which is as follows:
s1, first, the pressure gas circuit of the compressed air power unit is adjusted, and the pressure display value of the differential pressure transmitter 6 is observed.
And S2, respectively setting the working frequency and each working time of the first sound wave ash remover 9 and the second sound wave ash remover 10 through a control system, wherein the time interval of the working frequency of the first sound wave ash remover 9 and the second sound wave ash remover 10 is 0.5-6 h, the working time of each of the first sound wave ash remover 9 and the second sound wave ash remover 10 is 10-30S, then controlling the first electromagnetic valve 15 through the control system, controlling the first sound wave ash remover 9 to work through the first electromagnetic valve 15, controlling the second electromagnetic valve 16 through the control system, and controlling the second sound wave ash remover 10 to work through the second electromagnetic valve 16. Wherein, the first electromagnetic valve 15 works first, the second electromagnetic valve 16 works later, namely the second electromagnetic valve 16 works again after the first sound wave ash cleaner 9 finishes the ash cleaning work and the interval is 1 min-5 min. The working frequency and each working time of the first sonic ash remover 9 and the second sonic ash remover 10 and the working time interval between the first electromagnetic valve 15 and the second electromagnetic valve 16 in the embodiment can be adjusted according to the actual situation of the SCR reactor 1.
S3, observing the differential pressure transmitter 6, when the difference between the pressure values displayed on the differential pressure transmitter 6 exceeds a set value (1200Pa), immediately opening the second electromagnetic valve 16, closing the first electromagnetic valve 15, immediately zeroing the time interval of the working frequency of the first sound wave ash remover and the second sound wave ash remover and the working time of each of the first sound wave ash remover and the second sound wave ash remover, and repeating S2 for automatic control.
Further, as a preferred embodiment, the process of adjusting the pressure air path of the compressed air power unit is as follows: firstly opening a first manual ash removal valve 11, a second manual ash removal valve 12, a third manual ash removal valve 13, then opening a fourth manual ash removal valve 23, closing a fifth manual ash removal valve 24, adjusting a decompression filter 25, observing a pressure display value of a pressure difference transmitter 6, enabling the pressure display value to be in an interval of 0.4 Mpa-0.8 Mpa, then closing the fourth manual ash removal valve 23, opening the fifth manual ash removal valve 24, observing the pressure display value of the pressure difference transmitter 6, enabling the pressure display value to be in an interval of 0.4 Mpa-0.8 Mpa, and finally closing the fifth manual ash removal valve 24.
Further, as a preferred embodiment, when the first electromagnetic valve 15 is out of order or needs to be replaced, the fourth manual ash removal valve 23 is opened to perform manual ash removal.
further, as a preferred embodiment, when the second electromagnetic valve 16 is out of order or needs to be replaced, the fifth manual ash removal valve 24 is opened to perform manual ash removal.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (6)
1. the utility model provides a marine SCR reactor ash removal device which characterized in that includes:
the SCR reactor comprises a reactor main body steel structure, a first catalyst, a second catalyst, a heat insulation layer and a pressure difference transmitter, wherein the heat insulation layer is arranged on the outer side wall of the reactor main body steel structure, a flue gas inlet is formed in one end of the reactor main body steel structure, a flue gas outlet is formed in the other end of the reactor main body steel structure, the first catalyst and the second catalyst are arranged inside the reactor main body steel structure, the first catalyst is located on the upper side of the second catalyst, and the pressure difference transmitter is arranged between the flue gas inlet and the flue gas outlet;
The acoustic wave ash remover unit is arranged inside a steel structure of the reactor main body and comprises a first acoustic wave ash remover and a second acoustic wave ash remover, the first acoustic wave ash remover is positioned between the first catalyst and the second catalyst, and the second acoustic wave ash remover is positioned at the lower side of the second catalyst;
Compressed air power unit, one side of SCR reactor is equipped with compressed air power unit, compressed air power unit includes first manual deashing valve, the manual deashing valve of second, the manual deashing valve of third, pressure transmitter, first solenoid valve, second solenoid valve, first intake pipe, second intake pipe, third intake pipe and tee bend, the one end of first intake pipe is compressed air inlet, the other end of first intake pipe with the air inlet of tee bend is connected, the one end of second intake pipe with a tee bend gas outlet is connected, the other end of second intake pipe with first sound wave deashing ware is connected, the one end of third intake pipe with another three-way gas outlet is connected, the other end of third intake pipe with second sound wave deashing ware is connected, wherein, by on the first intake pipe the one end of first intake pipe to the other end of first intake pipe is equipped with in proper order first manual deashing valve The second air inlet pipe is provided with two second manual ash removal valves, the first electromagnetic valve is arranged between the two second manual ash removal valves, the third air inlet pipe is provided with two third manual ash removal valves, and the second electromagnetic valve is arranged between the two third manual ash removal valves;
a control system that controls the first and second solenoid valves, respectively.
2. The ash removal device for the marine SCR reactor of claim 1, further comprising a first U-shaped air pipe, wherein two air ports of the first U-shaped air pipe are respectively communicated with the second air inlet pipe, and two second manual ash removal valves are positioned between the two air ports of the first U-shaped air pipe.
3. The ash removal device for the marine SCR reactor according to claim 1, further comprising a second U-shaped air pipe, wherein two air ports of the second U-shaped air pipe are respectively communicated with the third air inlet pipe, and the two third manual ash removal valves are located between the two air ports of the second U-shaped air pipe.
4. The marine SCR reactor ash removal device of claim 2, further comprising a fourth manual ash removal valve disposed on the first U-shaped gas pipe.
5. The marine SCR reactor ash removal device of claim 3, further comprising a fifth manual ash removal valve disposed on the second U-shaped air pipe.
6. The marine SCR reactor ash removal device of claim 1, further comprising a pressure reduction filter, wherein the pressure reduction filter is disposed on the first intake pipe, and the pressure reduction filter is located between the first manual ash removal valve and the pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920185058.6U CN209772957U (en) | 2019-02-02 | 2019-02-02 | Marine SCR reactor ash removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920185058.6U CN209772957U (en) | 2019-02-02 | 2019-02-02 | Marine SCR reactor ash removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209772957U true CN209772957U (en) | 2019-12-13 |
Family
ID=68794593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920185058.6U Active CN209772957U (en) | 2019-02-02 | 2019-02-02 | Marine SCR reactor ash removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209772957U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570154A (en) * | 2019-02-02 | 2019-04-05 | 上海通和海天材料科技有限公司 | A kind of SCR reactor deashing device peculiar to vessel and application method |
| CN114260254A (en) * | 2021-12-30 | 2022-04-01 | 西安西矿环保科技有限公司 | Cement kiln tail SCR denitration dust removal device and control method thereof |
-
2019
- 2019-02-02 CN CN201920185058.6U patent/CN209772957U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570154A (en) * | 2019-02-02 | 2019-04-05 | 上海通和海天材料科技有限公司 | A kind of SCR reactor deashing device peculiar to vessel and application method |
| CN109570154B (en) * | 2019-02-02 | 2024-03-22 | 上海通和船用设备有限公司 | Marine SCR reactor ash removal device and use method |
| CN114260254A (en) * | 2021-12-30 | 2022-04-01 | 西安西矿环保科技有限公司 | Cement kiln tail SCR denitration dust removal device and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209772957U (en) | Marine SCR reactor ash removal device | |
| CN202173860U (en) | Waste gas treatment device | |
| CN109570154B (en) | Marine SCR reactor ash removal device and use method | |
| CN108187480B (en) | Ship exhaust gas desulfurization system | |
| CN210171175U (en) | Device for online replacement or maintenance of spray gun of urea pyrolysis reactor | |
| CN108561893B (en) | Industrial boiler flue gas multi-pollutant cooperative control device and process flow thereof | |
| CN101181675A (en) | Method for solving standard exceeding of ferric oxide powder discharge in acid-to-water process of acid regenerator set | |
| CN108889480A (en) | A kind of sol particle object injection apparatus and clean method | |
| CN206414972U (en) | A kind of denitration ammonia-spraying grid preventing clogging up device | |
| CN211648281U (en) | High-pressure SCR (selective catalytic reduction) ventilation and pressure stabilization system of marine diesel engine and ship | |
| CN210584451U (en) | Wet horizontal desulfurizing tower and boats and ships | |
| CN202410343U (en) | Duplex filter device | |
| CN209109431U (en) | A kind of sol particle object injection apparatus | |
| CN116066210A (en) | Multi-mode operation marine diesel engine tail gas aftertreatment integrated device and control method | |
| CN207076345U (en) | For removing the marine exhaust processing unit of sulfur and nitrogen oxides simultaneously | |
| CN105060313A (en) | Ammonia producing system adopting urea solution hydrolysis | |
| CN115217589A (en) | Temperature compensation system and method for SCR system of marine ammonia engine | |
| CN209576320U (en) | A kind of SCR reactor soot blowing skid-mounted device peculiar to vessel | |
| CN211189351U (en) | Efficient ship system pipeline oil mixing device | |
| CN204646421U (en) | A kind of three-element catalytic revives machine | |
| CN202176413U (en) | Saturated steam washing device | |
| CN107138045B (en) | Ship exhaust gas treatment device for simultaneously removing sulfur oxides and nitrogen oxides | |
| CN205435758U (en) | Efficient SCR reactor sweeps device | |
| CN202199251U (en) | Nitrogen-reducing denitration atomizing spray gun for explosion-proof pipe | |
| CN201723281U (en) | Water bath type fire-proof purifier for muffler of engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220104 Address after: 201900 No. 1, No. 1999, Fujin Road, Baoshan District, Shanghai Patentee after: SHANGHAI TONGHE MARINE EQUIPMENT LTD. Address before: 201900 North span of plant 1, No. 1999, Fujin Road, Baoshan District, Shanghai Patentee before: SHANGHAI TONGHE HAITIAN MATERIAL TECHNOLOGY Co.,Ltd. |