CN213967314U - Marine spraying and exhaust-gas treatment device - Google Patents
Marine spraying and exhaust-gas treatment device Download PDFInfo
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- CN213967314U CN213967314U CN202022693378.8U CN202022693378U CN213967314U CN 213967314 U CN213967314 U CN 213967314U CN 202022693378 U CN202022693378 U CN 202022693378U CN 213967314 U CN213967314 U CN 213967314U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a marine spraying and waste gas treatment device, which relates to the technical field of transmission manufacturing and maintenance equipment, and comprises a spraying chamber, an air suction device, a dry filter, an activated carbon adsorption bed, an air suction fan, a catalytic combustion chamber, an electric heating heat exchanger and a discharge flue; when spraying boats and ships or accessory, go on in indoor confined environment completely, exhaust treatment device's supporting use simultaneously, can be so that the waste gas that produces among the spraying process can discharge up to standard, avoid the polluted environment, the used repeatedly of active carbon and the heat exchange utilization of flue gas simultaneously, the use that can also the energy saving, the requirement of energy-concerving and environment-protective has been accomplished completely, secondly the use of the indoor hot-air of spraying, the effectual treatment effeciency that has promoted waste gas and the drying rate after the spraying, and then work efficiency has been promoted.
Description
Technical Field
The utility model relates to a shipbuilding maintenance production facility technical field specifically is a marine spraying and exhaust treatment device.
Background
In the process of manufacturing or maintaining ships, most ships need to be sprayed with coatings such as paint to achieve the purposes of corrosion prevention and attractiveness, the existing paint spraying method mainly adopts two methods, namely air-entrapping spraying and airless spraying, and the two spraying methods are both used for adhering atomized dust particles formed by liquid paint under the action of air pressure or pressurization to the surface of the ship or a fitting to form a sticky state, so that the paint spraying work is completed.
In the spraying process, the atomized liquid drops are not all sprayed on the surface of a ship or a fitting, and part of the atomized liquid drops are scattered in the surrounding air, so that the surrounding environment and the air are polluted, and the organic solvent added in the coating is very volatile, so that the exhaust gas mainly contains organic pollutants such as benzene, toluene, xylene and the like during emission. Besides organic waste gas, paint is atomized into particles under the action of high pressure, and part of paint particles which cannot completely reach the surface of a painted object are dispersed with air flow to form paint mist, so that the spraying waste gas also contains paint mist particles, the paint mist particles are tiny, most of the paint mist particles are below 10 mu m, have high viscosity and are potential carcinogens, and are easily adsorbed on contacted people or objects to cause harmful damage. Therefore, a marine spraying and exhaust gas treatment device is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a marine spraying and exhaust-gas treatment device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a marine spraying and waste gas treatment device comprises a spraying chamber, wherein the spraying chamber is a fully-closed workshop consisting of steel structures and is connected with an air suction device, the air suction device comprises air suction ports, the air suction ports are respectively provided with a plurality of air suction pipes at intervals of 5 meters on the top and the side wall of the spraying chamber, each air suction port is connected with an air suction pipeline and is connected to a gathering pipeline through the air suction pipeline, an outlet of the gathering pipeline is connected to a dry filter, a filter air outlet pipeline of the dry filter is connected with the bottom of an activated carbon adsorption bed through an air inlet electromagnetic valve, the activated carbon adsorption bed is arranged in a cylindrical shape, and the top of the built-in granular activated carbon is connected with an activated carbon adsorption bed air outlet pipeline through an air outlet electromagnetic valve so as to be connected with an air suction fan and then connected with a discharge flue; the bottom of active carbon adsorption bed still admits air the solenoid valve through hot-blast and connects hot-blast pipeline then connect electric heat exchanger, electric heat exchanger includes sealed shell, the upper portion of shell is provided with the flue gas air inlet, and the lower part is provided with the flue gas outlet, and inside coiling has gas pipeline, gas pipeline's outside has electric heating portion around, gas pipeline's gas outlet is connected to hot-blast pipeline, and the air inlet is connected with the fan of blowing, the top of active carbon adsorption bed is given vent to anger the pipeline through the hot-blast pipeline of giving vent to anger that the solenoid valve is connected and then is connected the catalytic combustion chamber, the combustion chamber of catalytic combustion chamber gives vent to anger the pipeline and is connected to the flue gas air inlet, and the flue gas outlet passes through the flue gas pipe connection and discharges the flue.
Further, both sides all set up the passageway of business turn over around the spray booth is inside all to be fixed with from top to bottom just right slide in subaerial and the top of lateral wall department near the left and right sides, install just right vertical support post and can follow between the just right slide about every group the just right slide slides from top to bottom, install horizontally work platform jointly and can follow between the just right vertical support post of left and right sides vertical support post reciprocates.
Preferably, the suction opening is telescopically arranged.
Furthermore, the shell of the dry filter is of a totally-enclosed structure consisting of steel plates, one end of the shell is connected with a collecting pipeline, the other end of the shell is connected with an air outlet pipeline of the dry filter, the front side surface of the shell is provided with a filter plate replacing door, the outlet of the air outlet pipeline of the dry filter is connected onto the activated carbon adsorption bed, and the dry filter is internally provided with a plurality of layers of replaceable filter plates.
Preferably, the fan is a centrifugal ventilation fan of the Simma brand, the air inlet is connected with an air outlet pipeline of the activated carbon adsorption bed, and the air outlet is connected to the discharge flue through the air outlet pipeline of the fan.
Preferably, after the air and the flue gas in the electric heating heat exchanger exchange heat to meet the desorption requirement, the electric heating part stops heating.
Furthermore, a plurality of hot breeze pipelines are arranged below the ground in the spraying chamber, are connected to the hot air pipeline through hot breeze electromagnetic valves, and are provided with a plurality of hot breeze outlets on the ground.
Preferably, the distance between every two adjacent heat breeze outlets is 1 meter.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when in spraying, the coating is completely sprayed in a closed room, thereby effectively avoiding the environmental pollution;
2. spraying waste gas generated in the spraying process is effectively treated, reaches the standard and is discharged, so that the environment is prevented from being polluted;
3. the reuse of the activated carbon and the use of the heat exchange of the flue gas effectively save the use of the cost;
4. the hot-air is introduced into the indoor bottom, the air drying speed of the spraying piece is accelerated by the absorption efficiency of the waste gas effectively, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
FIG. 3 is a front view of the spray booth.
Fig. 4 is a schematic view of a dry filter.
FIG. 5 is a schematic view of a filter plate.
Fig. 6 is a schematic diagram of an electrically heated heat exchanger.
In the figure: 1. a spraying chamber, 11, a channel, 12, a slide way, 13, a support column, 14, a working platform, 2, a gas suction device, 21, a gas suction port, 22, a gas suction pipeline, 23, a collecting pipeline, 3, a dry filter, 31, a filter gas outlet pipeline, 32, a filter plate replacement door, 33, a filter plate, 34, a fiber material, 4, an activated carbon adsorption bed, 41, a gas inlet electromagnetic valve, 42, a gas outlet electromagnetic valve, 43, an activated carbon adsorption bed gas outlet pipeline, 44, activated carbon, 45, a hot air inlet electromagnetic valve, 46, a hot air pipeline, 47, a hot air outlet electromagnetic valve, 48, a hot air outlet pipeline, 5, a gas suction fan, 51, a fan gas outlet pipeline, 6, a catalytic combustion chamber, 61, a combustion chamber gas outlet pipeline, 7, an electric heating heat exchanger, 71, a sealed shell, 72, a flue gas inlet, 73, a flue gas outlet, 74, a gas pipeline, 75 and an electric heating part, 76. a blowing fan 77, a flue gas pipeline 8, a discharge flue 9, a hot breeze pipeline 91, a hot breeze electromagnetic valve 92 and a hot breeze outlet.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention is described below clearly and completely with reference to the accompanying drawings and the specific embodiments.
Referring to fig. 1-6, fig. 1 is a schematic view of the present invention; FIG. 2 is a schematic structural view of the present invention; FIG. 3 is a front view of the spray booth; FIG. 4 is a schematic view of a dry filter; FIG. 5 is a schematic view of a filter plate; fig. 6 is a schematic diagram of an electrically heated heat exchanger.
The utility model provides a marine spraying and exhaust-gas treatment device, include spray booth 1, getter device 2, dry filter 3, active carbon adsorption bed 4, air suction fan 5, catalytic combustion room 6, electrical heating heat exchanger 7, discharge flue 8 and constitute.
The spraying chamber 1 is a fully-closed workshop formed by steel structures, is mainly used for spraying ships or accessories thereof indoors, the front and the rear sides of the spraying chamber 1 are provided with access passages 11 so as to facilitate the access of the transportation ship or the fittings, the ground and the top of the side wall near the left and the right sides in the spraying chamber 1 are both fixed with a slideway 12 which is opposite up and down, opposite vertical supporting columns 13 are arranged between each group of the opposite upper and lower slideways 12 and can slide along the opposite upper and lower slideways 12, a horizontal working platform 14 is arranged between the right and left opposite vertical supporting columns 13 and can move up and down along the vertical supporting columns 13, when parts with larger sizes need to be sprayed, workers can adjust the standing height through the working platform 14 so as to quickly finish the spraying operation, the spraying chamber 1 is also connected with an air suction device 2 for absorbing waste gas generated in the spraying chamber 1 due to spraying operation.
The air suction device 2 comprises an air suction port 21, the air suction port 21 is arranged at the top and the side wall of the spraying chamber 1 at intervals of 5 meters, the air suction port 21 is arranged in a telescopic mode, when the air suction device is used, the distance between each air suction port 21 and a spraying piece can be adjusted independently according to the size and the shape of the spraying piece, so that the best absorption effect is achieved, each air suction port 21 is connected with an air suction pipeline 22 and is connected to a collection pipeline 23 through the air suction pipeline 22, and the outlet of the collection pipeline 23 is connected to the dry filter 3.
The shell of the dry filter 3 is of a totally-enclosed structure consisting of steel plates, one end of the shell is connected with the gathering pipeline 23, the other end of the shell is connected with the dry filter air outlet pipeline 31, the front side surface of the shell is provided with a filter plate replacing door 32, the outlet of the dry filter air outlet pipeline 31 is connected to the activated carbon adsorption bed 4, the dry filter 3 is internally provided with a plurality of layers of replaceable filter plates 33, the filter plates 33 are internally filled with fiber materials 34, granular paint liquid drops in waste gas can be adsorbed, the waste gas is exhausted after the dry filter 3 removes most of the foggy paint liquid drops and basically only contains volatile organic pollutants, and the adsorbed waste gas is conveyed to the activated carbon adsorption bed 4 through the dry filter air outlet pipeline 31.
The active carbon adsorption bed 4 is cylindrical, and the bottom is connected dry filter pipeline 31 of giving vent to anger through air inlet solenoid valve 41, and the top is connected with active carbon adsorption bed pipeline 43 of giving vent to anger through air outlet solenoid valve 42, the exit linkage of active carbon adsorption bed pipeline 43 of giving vent to anger is to fan 5, the inside granular activated carbon 44 of packing of active carbon adsorption bed 4 for the volatile organic pollutant in the adsorption waste gas, the waste gas after the absorption enters into fan 5 through active carbon adsorption bed pipeline 43 of giving vent to anger.
The fan 5 adopts a centrifugal induced draft fan of a Simma brand, an air inlet is connected with an air outlet pipeline 43 of the activated carbon adsorption bed, and an air outlet is connected to a discharge flue 8 through a fan air outlet pipeline 51 to be directly discharged at high altitude.
After the activated carbon 44 in the activated carbon adsorption bed 4 is adsorbed for multiple times and reaches adsorption saturation, hot air needs to be introduced for desorption, and the activated carbon can be recycled to save the cost; the bottom of the activated carbon adsorption bed 4 is connected with a hot air pipeline 46 through a hot air inlet electromagnetic valve 45 so as to be connected with an electric heating heat exchanger 7, the electric heating heat exchanger 7 comprises a sealed shell 71, a flue gas inlet 72 is arranged at the upper part of the shell 71, a flue gas outlet 73 is arranged at the lower part of the shell 71, a gas pipeline 74 is coiled inside the shell, an electric heating part 75 is encircled outside the gas pipeline 74, an air blowing fan 76 is connected with the air inlet of the gas pipeline 74, and the air outlet is connected with the hot air pipeline 46; the air blowing fan 76 blows air into the air pipeline 74, the air is heated into hot air under the heating of the electric heating part 75 after passing through the air pipeline 74, then enters the activated carbon adsorption bed 4 through the hot air pipeline 46, at the moment, the air inlet electromagnetic valve 41 and the air outlet electromagnetic valve 42 are both closed, the hot air passes through the granular activated carbon 44 from bottom to top in the activated carbon adsorption bed 4, the adsorbed volatile organic pollutants are desorbed out and are conveyed to the catalytic combustion chamber 6 through the hot air outlet pipeline 48 connected with the hot air outlet electromagnetic valve 47 at the top along with the rising of the hot air, the volatile organic pollutants are converted into carbon dioxide and water with a large amount of heat after catalytic combustion, the carbon dioxide and water are connected to the flue gas inlet 72 through the combustion chamber air outlet pipeline 61 and then enter the electric heating heat exchanger 7, and the air provided by the air blowing fan 76 is heated through heat exchange, then the desorption operation is continued, and the burnt flue gas is conveyed to a discharge flue 8 through a flue gas pipeline 77 after passing through an electric heating heat exchanger 7 to be directly discharged aloft.
After the air and the flue gas in the electric heating heat exchanger 7 exchange heat to meet the desorption requirement, the electric heating part 75 can stop heating, and the energy can be saved.
When in use, the ship or the accessory to be sprayed is conveyed into the spraying chamber 1 and put in place. Then closing the access passage 11 of the spraying chamber 1, forming a closed workshop by the spraying chamber 1, respectively adjusting the position of each exhaust inlet 21 with a short distance according to the size and the shape of a spraying piece to enable the exhaust inlets to be close to a ship or a fitting to be sprayed as much as possible, and carrying out spraying operation after the adjustment.
Then, the worker starts the spraying operation, along with the continuous spraying operation, the paint droplets escaping from the air gradually increase, at this time, the air suction fan 5 is started to provide power for the whole waste gas treatment device, the air inlet electromagnetic valve 41 and the air outlet electromagnetic valve 42 are opened, the hot air inlet electromagnetic valve 45 and the hot air outlet electromagnetic valve 47 are closed at the same time, and the whole waste gas treatment device starts to work.
With the continuous work of the air suction fan 5, the air suction opening 21 starts to absorb the air in the spraying chamber 1, the air with spraying waste gas enters the air suction opening 21, then enters the collecting pipeline 23 along the air suction pipeline 22 and then enters the dry filter 3, after the air is absorbed by the filter plate 33 in the dry filter 3, most of paint liquid drops are blocked and absorbed by the fiber material 34 in the filter plate 3, the absorbed waste gas mainly contains volatile mail pollutants, and enters the activated carbon adsorption bed 4 along the filter air outlet pipeline 31, and then reaches the emission standard after the absorption of the activated carbon 44, and then the air is conveyed to the emission flue 8 through the air suction fan 5 to be emitted in high altitude.
After the activated carbon 44 is adsorbed for a period of time, the content of the adsorbed volatile organic pollutants reaches the maximum, and at this time, the activated carbon can be continuously adsorbed for use after being desorbed. During desorption, firstly, the air inlet electromagnetic valve 41 and the air outlet electromagnetic valve 42 are closed, the hot air inlet electromagnetic valve 45 and the hot air outlet electromagnetic valve 47 are opened simultaneously, then the blowing fan 76 is started to supply air, the air is heated into hot air in the electric heating heat exchanger 7 through the electric heating part 75, then the hot air enters the activated carbon adsorption bed 4 through the hot air pipeline 46, the adsorbed volatile organic pollutants are desorbed from the activated carbon through the activated carbon 44 from the bottom to the top, then the hot air enters the catalytic combustion chamber 6 through the hot air outlet electromagnetic valve 47 and the hot air outlet pipeline 48 at the top, after the catalytic combustion in the catalytic combustion chamber 6, the flue gas which is converted into carbon dioxide and water through combustion and carries a large amount of heat, the flue gas enters the shell of the electric heating heat exchanger 7 through the combustion chamber air outlet pipeline 61, and the air in the air pipeline 74 is heated through heat exchange, the flue gas after heat exchange is conveyed to a discharge flue 8 through a flue gas pipeline 77 to be discharged at high altitude; the organic pollutants adsorbed by the activated carbon 44 are continuously desorbed by the continuous circulation.
When the air and the flue gas in the electric heating heat exchanger 7 exchange heat to meet the desorption requirement, the electric heating part 75 can stop heating, and the energy can be saved.
In addition, a plurality of hot breeze pipelines 9 can be arranged below the ground in the spraying chamber 1, the hot breeze pipelines are connected to the hot air pipeline 46 through hot breeze electromagnetic valves 91, hot breeze is provided by the electric heating heat exchangers 7, a plurality of hot breeze outlet holes 92 are arranged on the ground, the distance between every two adjacent hot breeze outlet holes 92 is 1 meter, the hot breeze outlet holes 92 output hot breeze simultaneously in the spraying process, the hot air can continuously rise due to high temperature, simultaneously, the atomized liquid drops and volatile organic pollutants in the air can be driven to rise together and finally absorbed by the air suction opening 21, the absorption effect of waste gas can be optimal, meanwhile, the air drying time of the sprayed ship or accessories can be shortened due to the rise of the temperature of the air, and the working efficiency can be improved.
While embodiments of the invention have been illustrated and described, it is to be understood that the embodiments described are only some embodiments of the invention and not all embodiments. Based on the embodiments of the present invention, it can be understood to those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and variations to the embodiments without any creative work without departing from the principles and spirit of the present invention belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a marine spraying and exhaust treatment device which characterized in that: the spraying chamber (1) is a fully-closed workshop formed by steel structures and is connected with an air suction device (2), the air suction device (2) comprises air suction ports (21), the air suction ports (21) are respectively provided with a plurality of air suction pipes and are spaced by 5 meters at the top and the side wall of the spraying chamber (1), each air suction port (21) is connected with an air suction pipeline (22) and is commonly connected to a gathering pipeline (23) through the air suction pipeline (22), the outlet of the gathering pipeline (23) is connected to a dry filter (3), a filter air outlet pipeline (31) of the dry filter (3) is connected with the bottom of an activated carbon adsorption bed (4) through an air inlet electromagnetic valve (41), the activated carbon adsorption bed (4) is arranged in a cylindrical shape, and the top of a particle activated carbon electromagnetic valve (44) is arranged in the spraying chamber and is connected with an activated carbon adsorption bed pipeline (43) through an air outlet electromagnetic valve (42) so as to be connected with an air suction fan (5) and then connected with a discharge flue (8); the bottom of the activated carbon adsorption bed (4) is connected with a hot air pipeline (46) through a hot air inlet electromagnetic valve (45) and then connected with an electric heating heat exchanger (7), the electric heating heat exchanger (7) comprises a sealing shell (71), the upper part of the shell (71) is provided with a flue gas inlet (72), the lower part of the shell is provided with a flue gas outlet (73), a gas pipeline (74) is coiled inside the shell, the outside of the gas pipeline (74) is encircled with an electric heating part (75), the gas outlet of the gas pipeline (74) is connected with the hot air pipeline (46), the gas inlet is connected with a blowing fan (76), the top of the activated carbon adsorption bed (4) is connected with a catalytic combustion chamber (6) through a hot air outlet pipeline (48) connected with a hot air outlet electromagnetic valve (47), and a combustion chamber outlet pipeline (61) of the catalytic combustion chamber (6) is connected with the flue gas inlet (72), the flue gas outlet (73) is connected with the discharge flue (8) through a flue gas pipeline (77).
2. The marine spray and exhaust gas treatment device of claim 1, wherein: both sides all set up passageway (11) of business turn over around spray booth (1) inside subaerial and the top of being close to the lateral wall department of the left and right sides all is fixed with just from top to bottom slide (12), install just right vertical support post (13) and can follow between just right slide (12) from top to bottom every group just right slide (12) from top to bottom slide, install horizontally work platform (14) and can follow jointly between just right vertical support post (13) of the left and right sides vertical support post (13) reciprocate.
3. The marine painting and exhaust gas treatment device according to claim 2, wherein: the air suction port (21) is arranged in a telescopic manner.
4. The marine spray and exhaust gas treatment device of claim 3, wherein: the shell of the dry filter (3) is of a fully-closed structure consisting of steel plates, one end of the shell is connected with a gathering pipeline (23), the other end of the shell is connected with a dry filter air outlet pipeline (31), the front side surface of the shell is provided with a filter plate replacing door (32), the outlet of the dry filter air outlet pipeline (31) is connected onto the activated carbon adsorption bed (4), and the dry filter (3) is internally provided with a plurality of replaceable filter plates (33).
5. The marine spray and exhaust gas treatment device of claim 4, wherein: the draught fan (5) is a centrifugal ventilation fan of the Simma brand, an air inlet is connected with an air outlet pipeline (43) of the activated carbon adsorption bed, and an air outlet is connected to the discharge flue (8) through an air outlet pipeline (51) of the draught fan.
6. The marine painting and exhaust gas treatment device according to claim 5, wherein: after the air in the electric heating heat exchanger (7) exchanges heat with the flue gas to meet the desorption requirement, the electric heating part (75) stops heating.
7. The marine spray and exhaust gas treatment device according to any one of claims 1 to 6, wherein: the spraying chamber is characterized in that a plurality of hot breeze pipelines (9) are arranged below the ground in the spraying chamber (1), the hot breeze pipelines (9) are connected to a hot air pipeline (46) through hot breeze electromagnetic valves (91), and a plurality of hot breeze outlet holes (92) are formed in the ground.
8. The marine spray and exhaust gas treatment device of claim 7, wherein: the distance between every two adjacent heat breeze outlets (92) is 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693378.8U CN213967314U (en) | 2020-11-20 | 2020-11-20 | Marine spraying and exhaust-gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022693378.8U CN213967314U (en) | 2020-11-20 | 2020-11-20 | Marine spraying and exhaust-gas treatment device |
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| Publication Number | Publication Date |
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| CN213967314U true CN213967314U (en) | 2021-08-17 |
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| CN202022693378.8U Active CN213967314U (en) | 2020-11-20 | 2020-11-20 | Marine spraying and exhaust-gas treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898875A (en) * | 2021-09-29 | 2022-01-07 | 中国船舶重工集团公司第七一六研究所 | Organic waste recovery device for ship in-situ coating |
| CN115193215A (en) * | 2022-07-06 | 2022-10-18 | 四川省简优陶瓷有限责任公司 | Efficient energy-saving environment-friendly drying kiln for rock plate production |
-
2020
- 2020-11-20 CN CN202022693378.8U patent/CN213967314U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898875A (en) * | 2021-09-29 | 2022-01-07 | 中国船舶重工集团公司第七一六研究所 | Organic waste recovery device for ship in-situ coating |
| CN113898875B (en) * | 2021-09-29 | 2024-05-07 | 中国船舶集团有限公司第七一六研究所 | Ship in-situ coating organic waste recovery device |
| CN115193215A (en) * | 2022-07-06 | 2022-10-18 | 四川省简优陶瓷有限责任公司 | Efficient energy-saving environment-friendly drying kiln for rock plate production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Marine spraying and waste gas treatment device Effective date of registration: 20220928 Granted publication date: 20210817 Pledgee: Industrial and Commercial Bank of China Limited Dalian Ganjingzi Sub branch Pledgor: DALIAN XINHONGLI MARINE ENGINEERING CO.,LTD. Registration number: Y2022210000150 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230926 Granted publication date: 20210817 Pledgee: Industrial and Commercial Bank of China Limited Dalian Ganjingzi Sub branch Pledgor: DALIAN XINHONGLI MARINE ENGINEERING CO.,LTD. Registration number: Y2022210000150 |