CN114177707A - Be used for explosion-proof whole room dust removal device of boats and ships sandblast workshop - Google Patents
Be used for explosion-proof whole room dust removal device of boats and ships sandblast workshop Download PDFInfo
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- CN114177707A CN114177707A CN202111369133.2A CN202111369133A CN114177707A CN 114177707 A CN114177707 A CN 114177707A CN 202111369133 A CN202111369133 A CN 202111369133A CN 114177707 A CN114177707 A CN 114177707A
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- straining
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- 239000000428 dust Substances 0.000 title claims abstract description 92
- 238000004880 explosion Methods 0.000 claims abstract description 43
- 230000001629 suppression Effects 0.000 claims abstract description 22
- 239000006260 foam Substances 0.000 claims abstract description 20
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- 239000011261 inert gas Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000013022 venting Methods 0.000 abstract description 9
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0091—Including arrangements for environmental or personal protection
- B01D46/0093—Including arrangements for environmental or personal protection against fire or explosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4281—Venturi's or systems showing a venturi effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/448—Auxiliary equipment or operation thereof controlling filtration by temperature measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
Abstract
The utility model provides a be used for boats and ships sandblast workshop explosion-proof complete room dust collector, includes along exhaust hood, automatic electronic butterfly valve, spark detector, spark extinguisher, first flame proof valve, strain a dust remover and complete room fan that the pipeline set gradually, the air-out end of straining a dust remover is connected complete room fan, the air inlet end and the air-out end of straining a dust remover are provided with pressure differential transducer, the inside of straining a dust remover is provided with explosion suppression device and explosion venting sheet, the air inlet end of straining a dust remover passes through pipe connection inertia foam storehouse, inertia foam storehouse is connected the port of straining a dust remover is provided with the material valve, strain a dust remover and be located the upper portion of air-out end one side is connected venturi electromagnetic pulser, the lower extreme of straining a dust remover sets up and lets out the ash hole. The invention has the advantages of simple structure, high dust removal efficiency, safe and reliable use and the like.
Description
Technical Field
The invention belongs to the field of metal dust removing equipment of ship sand blasting workshops, and particularly relates to an explosion-proof whole-room dust removing device for a ship sand blasting workshop.
Background
When the ship is subjected to segmented sand washing and rust removal, a large amount of metal dust can be generated in a factory building under the impact of sand washing abrasive materials and hull metal, the sand washing in the factory building and the operation sight and the body health of polishing workers are seriously influenced, in the process of collecting and recovering the metal dust, the metal dust and a pipeline can be quickly rubbed to generate static electricity, or sparks are generated due to the mechanical operation of the workers in the factory building, and hidden combustion (explosion) potential safety hazards of the metal dust are caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an anti-explosion whole-chamber dust removing device for a ship sand blasting workshop, which can effectively prevent metal dust from rapidly rubbing with a pipeline to generate static electricity or prevent potential safety hazards such as metal dust smoldering (explosion) and the like caused by sparks generated by mechanical operation of workers in a factory building.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an anti-explosion whole-chamber dust removing device for a ship sand blasting workshop, which comprises an exhaust hood, an automatic electronic butterfly valve, a spark detector, a spark extinguisher, a first explosion-proof valve, a filter cartridge dust remover and a whole-chamber fan which are sequentially arranged along a pipeline, wherein the air outlet end of the filter cartridge dust remover is connected with the whole-chamber fan, a pressure difference sensor is arranged between the air inlet end and the air outlet end of the filter cartridge dust remover, an explosion suppression device and an explosion venting sheet are arranged inside the filter cartridge dust remover, the air inlet end of the filter cartridge dust remover is connected with an inert foam bin through the pipeline, a material valve is arranged at a port of the inert foam bin connected with the filter cartridge dust remover, the upper part of the filter cartridge dust remover, which is positioned at one side of the air outlet end, is connected with a Venturi tube electromagnetic pulser, and the lower end of the filter cartridge dust remover is provided with an ash venting port.
According to a preferable technical scheme, a first temperature sensor is arranged at an air inlet end of the filter cartridge dust remover, a second temperature sensor is arranged at an air outlet end of the filter cartridge dust remover, and a third temperature sensor is arranged at an ash discharge port of the filter cartridge dust remover.
Preferably, the ash discharge port of the filter cartridge deduster is provided with an ash discharge valve and a screw conveying motor.
As a preferred technical scheme, the inert foam bin is connected with a first compressed air pipeline, and a first electromagnetic air inlet valve is arranged on the first compressed air pipeline.
Preferably, a fire damper is arranged between the filter cartridge deduster and the full-chamber fan.
Preferably, the venturi electromagnetic pulser is connected to a second compressed air pipeline, and a second electromagnetic air inlet valve and a manual valve are arranged on the second compressed air pipeline.
According to a preferable technical scheme, the top of the filter cartridge deduster is connected with an inert gas pipeline, and a third electromagnetic air inlet valve is arranged on the inert gas pipeline.
As a preferred technical solution, the inert foam storage is stored with liquid nitrogen.
Preferably, the distance between the spark arrester and the spark detector is 9-12 m.
Preferably, the explosion suppression device is arranged above the explosion suppression sheet, and the explosion suppression device is hermetically connected with the inner space of the filter cartridge dust remover.
Compared with the prior art, the invention has the following technical effects:
the invention effectively recovers and removes the metal dust in the ship sandblasting factory building, can prevent the problem of metal dust smoldering (explosion) caused by static electricity generated by the rapid friction of the metal dust and a pipeline or spark suction generated by the manual mechanical operation in the factory building, and has the advantages of simple structure, high dust removal efficiency, safe and reliable use and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a whole-chamber dust removing apparatus according to the present invention.
Wherein the reference numerals are specified as follows: the device comprises an exhaust hood 1, an automatic electronic butterfly valve 2, a spark detector 3, a spark extinguisher 4, an explosion-proof valve 5, a differential pressure sensor 6, a first electromagnetic air inlet valve 7, a first temperature sensor 8, an explosion suppression device 9, an inert foam bin 10, a Venturi tube electromagnetic pulser 11, a second electromagnetic air inlet valve 12, a third electromagnetic air inlet valve 13, a manual valve 14, a second temperature sensor 15, a whole-chamber fan 16, a third temperature sensor 17, a spiral conveyor 18, a fire-proof valve 19, an ash discharge valve 20, an explosion discharge sheet 21, a material valve 22 and a filter cartridge deduster 23.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the embodiment provides an explosion-proof whole-chamber dust removing device for a ship sand blasting workshop, which includes an exhaust hood 1, an automatic electronic butterfly valve 2, a spark detector 3, a spark extinguisher 4, a first explosion-proof valve 5, a filter cartridge 23 and a whole-chamber fan 16, which are sequentially arranged along a pipeline, wherein an air outlet end of the filter cartridge 23 is connected with the whole-chamber fan 16, an air inlet end and an air outlet end of the filter cartridge 23 are provided with a differential pressure sensor 6, an explosion suppression device 9 and an explosion venting sheet 21 are arranged inside the filter cartridge 23, the air inlet end of the filter cartridge 23 is connected with an inert foam bin 10 through a pipeline, a material valve 22 is arranged at a port of the inert foam bin 10 connected with the filter cartridge 23, the upper part of the filter cartridge 23 on one side of the air outlet end is connected with a venturi tube electromagnetic pulser 11, and an ash vent is arranged at the lower end of the filter cartridge 23.
In one embodiment, the exhaust hood 1 is a side-suction type bucket exhaust hood 1, the side-suction type bucket exhaust hood 1 is arranged on two side walls of a factory building, the side-suction type bucket exhaust hood 1 is made of Q235 carbon steel plates and is distributed on the two side walls of the sandblasting factory building, the expansion angle of the exhaust hood 1 is required to be 45-60 degrees (the maximum is not more than 90 degrees), and the wind speed is controlled to be more than 1.0 m/s.
In another embodiment, the air inlet end of the filter cartridge deduster 23 is provided with a first temperature sensor 8, the air outlet end of the filter cartridge deduster 23 is provided with a second temperature sensor 15, and the ash discharge port of the filter cartridge deduster 23 is provided with a third temperature sensor 17. The first temperature sensor 8, the second temperature sensor 15 and the third temperature sensor 17 adopt an A-grade pipeline patch type platinum thermal resistor PT100, and the PT100 temperature sensor is a resistance type temperature detector made of platinum (Pt), belongs to a positive resistance coefficient, and has a measurement range of-100 ℃ to +450 ℃.
In another embodiment, the ash discharge port of the filter cartridge dust collector 23 is provided with an ash discharge valve 20 and a screw conveyor motor. The screw conveyor 18 adopts a shaftless screw conveyor 18, the driving device adopts a cycloidal pin gear speed reducer or a shaft-mounted hard tooth surface gear speed reducer, the driving device is arranged at the discharge port end, the head part is provided with a thrust bearing, the shell is U-shaped, the upper part of the shell is provided with a rainproof cover, and the shell is made of stainless steel or carbon steel; the shaftless spiral body is made of stainless steel or carbon steel, the inclination angle beta is 20 degrees, the groove body lining plate is made of wear-resistant plastic plates or rubber plates, and the material inlet and the material outlet are square and round.
In another embodiment, the inert foam silo 10 is connected to a first compressed air pipe on which the first electromagnetic air inlet valve 7 is arranged. The inert foam chamber 10 is arranged at the front end of the system, when the spark detector 3 or the explosion suppression device 9 sends out an alarm signal, the first electromagnetic air inlet valve 7 and the material valve 22 at the lower end of the chamber body are opened, inert (foam) gas is sent into a pipeline and a nozzle of the explosion suppression device 9 under the pressure of compressed air, and the temperature is rapidly reduced and the fire point is extinguished; currently, most inert (foam) gases are (liquid) nitrogen.
In another embodiment, a fire damper 19 is provided between the cartridge catcher 23 and the full house fan 16.
In another embodiment, the venturi electromagnetic pulser 11 is connected to a second compressed air pipeline, and a second electromagnetic air inlet valve 12 and a manual valve 14 are arranged on the second compressed air pipeline. A back-blowing nozzle of the Venturi tube electromagnetic pulser 11 is arranged on the inner side of the paper filter cartridge of the filter cartridge deduster 23; it adopts 64 sets of LPDA series right-angle pulse electromagnetic valves to connect with Venturi tubes with horn shapes at the inlet and outlet ends; the included angle between the inlet and the outlet is 90 degrees; the consumption of each set of compressed air is 0.5-0.6m3Min; the noise is less than 85 dB.
In another embodiment, the top of the filter cartridge dust collector 23 is connected with an inert gas pipeline, and the inert gas pipeline is provided with a third electromagnetic air inlet valve 13.
In another embodiment, the explosion-proof grade of the spark detector 3 reaches EXTDA21IP65T80 ℃, the protection grade reaches IP65, the probe adopts a photoelectric detection technology and a wide-angle detection technology by utilizing a digital optical principle, the reaction time is less than 0.1 second, and the probe is arranged on the pipe wall of the dust removing pipeline, so that infrared rays emitted by sparks in the pipeline are effectively captured, and an alarm signal is triggered. The spark extinguisher 4 is arranged at the rear section of the main air pipeline spark detector 3, the distance between the spark extinguisher and the main air pipeline spark detector is 9-12M, a pressure spring type dust-free spray head and a stainless steel material are adopted, the working pressure is 0.4MPa, the working voltage is 24VDC, and the power is 9W; the spark detector 3 responds to the inert gas injection after triggering the alarm signal. The explosion-proof valve 5 is arranged on a pipeline 3-4 meters away from the inlet of the filter cartridge dust remover 23, is horizontally arranged and is connected with a flange; the valve body is made of carbon steel, the valve clack is made of stainless steel, the applicable wind speed is 15-30m, and the pressure loss is about 200 Pa.
In another embodiment, the explosion suppression device 9 is positioned above the explosion venting sheet 21 and forms a closed box with the filter cartridge dust remover 23, the starting time is less than 1.5 milliseconds, the explosion suppression agent release time is 30-85 milliseconds, the total weight is 116kg, the weight of the explosion suppression agent is 35kg, the operating pressure is 60bar (20 ℃), the power supply voltage is 24VDC, the ambient temperature is-20-70 ℃, the explosion suppression system is certified as FSA 07 ATEX 1578, the explosion isolation system is certified as FSA 07 ATEX 1579, the explosion protection grade is II 1/2D T85 ℃, II 1/2G T6, and the protection grade is IP 65. The explosion venting sheet 21 is a stainless steel flame-free explosion venting sheet 21 with grooves, and the straight-through type one-way flow structural form and the full-chamber dust remover box body adopt a flange connection form as an automatic driving mode. The explosion venting pressure is set to be 5-7.5kPa, and the maximum pressure relief pressure does not exceed 10 kPa.
In another embodiment, the shell of the differential pressure sensor 6 is of an aluminum alloy structure, the front end of the differential pressure sensor is a compression type stepped pipe with the diameter of 8mm, the range is 0-1000 Pa, the output is 4-20 mA (two-wire system), and the comprehensive precision is +/-0.5% FS; the power supply is 24V, the medium temperature is-20-85 ℃, the storage temperature is-40-90 ℃, the relative humidity is 0-95% RH, the sealing grade is IP65, the overload capacity is 150% FS, and the front end is provided with a phi 8 pagoda mouth air pressure joint.
In another embodiment, the box body of the filter cartridge dust remover 23 is made of wear-resistant carbon steel plate with the performance grade not lower than Q235A, the thickness of the plate is more than 8mm, the surface of the plate adopts Sa2.5 grade rust removal process and four coating processes (one priming paint, one intermediate paint and two finishing paints), 128 imported wood pulp fiber paper filter cartridges are configured in the box body, and the air handling capacity is more than 90000m3The efficiency of filtering dust particles with the particle size of more than 0.5um can reach 99.99 percent, and the airflow direction of the filter cartridge dust remover 23 adopts upper air inlet and lower air outlet.
In another embodiment, all the pipelines are made of wear-resistant carbon steel plates with the performance grade not lower than Q235A in consideration of wear resistance and economy of materials, and the pipelines are based on the wind speed of a fan and the property of metal dust
Adopts 2.75mm wear-resistant carbon steel plate and pipeline
Between 400 and 600mm, adopting wear-resistant carbon steel plate with 3.75mm and pipeline
4.75mm wear-resistant carbon steel plates are adopted. The pipeline and the connecting flange are grounded by adopting effective antistatic.
The device comprises a safety explosion-proof facility and a dust removal facility, wherein the safety explosion-proof facility comprises a spark detector 3, a spark extinguisher 4, an explosion-proof valve 5, a first temperature sensor 8, a second temperature sensor 15, a third temperature sensor 17, an inert foam bin 10, a material valve 22, an explosion suppression device 9, an explosion venting sheet 21, a fire-proof valve 19 and the like. The dust removing facility comprises a side-suction type bucket type exhaust hood 1, an automatic electronic butterfly valve 2, a filter cartridge deduster 23, a Venturi tube electromagnetic pulser 11, a screw conveyor 18, an air locking and ash discharging valve and other components, and the safety explosion-proof facility and the dust removing facility are matched and communicated by adopting metal pipelines.
The working process of the embodiment is as follows: normal operating mode (no spark or smoldering): the side-suction type bucket-shaped exhaust hoods 1 are arranged on two side walls in a sand blasting factory building and used for catching metal dust subjected to spraying suspension, the tail ends of the side-suction type bucket-shaped exhaust hoods 1 are connected with a pipeline, the dust enters a dust removal system from the side-suction type bucket-shaped exhaust hoods 1, an automatic electronic butterfly valve 2 is driven by compressed air to be in a normally open state after the system is started, a spark detector 3 and a spark extinguisher 4 which are installed behind the automatic electronic butterfly valve 2 are in a normal working condition and cannot give out alarm and intercept actions, an explosion-proof valve 5 is in a negative pressure normally open state under the action of a balance block and a self-locking device, and air with dust enters a filter cartridge dust remover 23 through the components; the air carrying metal dust is filtered by the filter cylinder of the dust remover, the purification efficiency reaches 99.99 percent, and the purified clean air (the index of particulate matters is less than or equal to 20 mg/m)3) Is discharged from the chimney through a pipeline under the action of the whole-chamber fan 16; the filtered metal dust is adhered and deposited on the filter cylinder, after the dust removal of a factory is finished, the whole-room fan 16 is stopped, the ash removal function of the system is started, the electromagnetic air inlet valve is opened, the compressed air enters the Venturi tube electromagnetic pulser 11 through the normally-open manual valve 14 to adhere and deposit the powder on the filter cylinderDust is backflushed and cleaned, and whether the pressure loss of the system is normal or not and whether the filter cylinder is blocked or not is judged through a differential pressure sensor 6 arranged at the inlet and outlet ends of the filter cylinder dust remover 23. After the whole-chamber fan 16 is stopped, the air-locking ash discharging valve and the screw conveyer 18 below the filter cartridge dust remover 23 are started by signals, metal dust blown off from the filter cartridge falls to the screw conveyer 18 through the air-locking ash discharging valve and is discharged out of the system, and the whole ash cleaning process is delayed and closed after the whole-chamber fan 16 is stopped and started and runs for 30 minutes.
Abnormal conditions (finding a spark, smoldering or explosion): suspended metal dust such as spark enters a system through the side-suction hopper-shaped exhaust hood 1, firstly is judged and captured by the spark detector 3 and sends out an alarm signal, a extinguishing interception measure is implemented after the alarm signal is collected by the spark extinguisher 4, meanwhile, a signal is sent to the electromagnetic air inlet valve, the valve is opened, and inert gas is released into a pipeline and the system, so that the effect of extinguishing the spark is achieved. If the actions do not reach the effect or the dust removal box body finds sparks or smoldering by static electricity, the first temperature sensor 8, the second temperature sensor 15 and the third temperature sensor 17 which are positioned at the inlet and the outlet of the filter cartridge dust remover 23 and the screw conveyer 18 cooperate with the explosion suppression device 9 on the dust removal box body to feed back and give an alarm for abnormity, the first electromagnetic air inlet valve 7 is opened by the signal, compressed air enters the inert foam bin 10 and drives the pneumatic material valve 22 to be opened, the inert foam (gas) enters the pipeline and the dust removal box body to isolate oxygen, the explosion suppression device 9 simultaneously reacts to release an explosion suppression agent, the air outlet fire prevention valve 19 and the whole-chamber fan 16 are closed and shut down to enable the air in the box body to be isolated and not to circulate, and the explosion suppression piece 21 is opened in time to release pressure when the internal pressure of the dust remover reaches a set value.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a be used for boats and ships sandblast workshop explosion-proof complete room dust collector, its characterized in that includes along exhaust hood, automatic electronic butterfly valve, spark detector, spark extinguisher, first explosion proof valve, strain a dust remover and complete room fan that the pipeline set gradually, the air-out end of straining a dust remover is connected complete room fan, the air inlet end and the air-out end of straining a dust remover are provided with pressure differential transducer, the inside of straining a dust remover is provided with explosion suppression device and lets out the explosion piece, the air inlet end of straining a dust remover passes through pipe connection inertia foam storehouse, inertia foam storehouse is connected the port of straining a dust remover is provided with the material valve, it is located to strain a dust remover the upper portion of air-out end one side is connected venturi electromagnetic pulser, the lower extreme of straining a dust remover sets up lets out the ash mouthful.
2. The anti-explosion whole-chamber dedusting device for the ship workshop as claimed in claim 1, wherein a first temperature sensor is arranged at the air inlet end of the filter cartridge deduster, a second temperature sensor is arranged at the air outlet end of the filter cartridge deduster, and a third temperature sensor is arranged at the ash discharge port of the filter cartridge deduster.
3. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the dust discharging port of the filter cartridge dust remover is provided with a dust discharging valve and a screw conveying motor.
4. The anti-explosion whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the inert foam bin is connected with a first compressed air pipeline, and a first electromagnetic air inlet valve is arranged on the first compressed air pipeline.
5. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein a fire-proof valve is arranged between the filter cartridge dust remover and the whole-chamber fan.
6. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the electromagnetic pulser of the venturi tube is connected with a second compressed air pipeline, and a second electromagnetic air inlet valve and a manual valve are arranged on the second compressed air pipeline.
7. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the top of the filter cartridge deduster is connected with an inert gas pipeline, and a third electromagnetic air inlet valve is arranged on the inert gas pipeline.
8. The apparatus for the deflagration-proof full-cell dedusting of a marine plant according to claim 1, characterized in that the inert foam storage is filled with liquid nitrogen.
9. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the distance between the spark arrester and the spark detector is 9-12 m.
10. The explosion-proof whole-chamber dust removing device for the ship workshop as claimed in claim 1, wherein the explosion suppression device is arranged above the explosion suppression sheet, and the explosion suppression device is hermetically connected with the inner space of the filter cartridge dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369133.2A CN114177707A (en) | 2021-11-18 | 2021-11-18 | Be used for explosion-proof whole room dust removal device of boats and ships sandblast workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369133.2A CN114177707A (en) | 2021-11-18 | 2021-11-18 | Be used for explosion-proof whole room dust removal device of boats and ships sandblast workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114177707A true CN114177707A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111369133.2A Pending CN114177707A (en) | 2021-11-18 | 2021-11-18 | Be used for explosion-proof whole room dust removal device of boats and ships sandblast workshop |
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| CN (1) | CN114177707A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390660A (en) * | 2016-11-18 | 2017-02-15 | 江苏同庆安全科技有限公司 | Deduster having fire-retarding and explosion-inhibiting functions and working method thereof |
| WO2017202279A1 (en) * | 2016-05-24 | 2017-11-30 | 河南龙成煤高效技术应用有限公司 | Dust-cleaning device, dust-cleaning system consisting of dust-cleaning device, and dust-cleaning method therefor |
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| CN108970261A (en) * | 2018-08-02 | 2018-12-11 | 东北大学 | A kind of explosion-proof type deduster |
| CN210159368U (en) * | 2019-05-31 | 2020-03-20 | 苏州顺为环境科技有限公司 | Vehicle-mounted dry type explosion-proof dust remover for roadway |
| CN212651574U (en) * | 2020-07-08 | 2021-03-05 | 航天建筑设计研究院有限公司 | Poisonous metal dust removal explosion-proof system |
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2021
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| WO2017202279A1 (en) * | 2016-05-24 | 2017-11-30 | 河南龙成煤高效技术应用有限公司 | Dust-cleaning device, dust-cleaning system consisting of dust-cleaning device, and dust-cleaning method therefor |
| CN106390660A (en) * | 2016-11-18 | 2017-02-15 | 江苏同庆安全科技有限公司 | Deduster having fire-retarding and explosion-inhibiting functions and working method thereof |
| CN206965381U (en) * | 2017-07-06 | 2018-02-06 | 刘文军 | A kind of explosion-proof filter cartridge dust remover |
| CN108970261A (en) * | 2018-08-02 | 2018-12-11 | 东北大学 | A kind of explosion-proof type deduster |
| CN210159368U (en) * | 2019-05-31 | 2020-03-20 | 苏州顺为环境科技有限公司 | Vehicle-mounted dry type explosion-proof dust remover for roadway |
| CN212651574U (en) * | 2020-07-08 | 2021-03-05 | 航天建筑设计研究院有限公司 | Poisonous metal dust removal explosion-proof system |
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