CN112816619B - Novel device and method for detecting inert gas system of oil tanker - Google Patents
Novel device and method for detecting inert gas system of oil tanker Download PDFInfo
- Publication number
- CN112816619B CN112816619B CN202011610452.3A CN202011610452A CN112816619B CN 112816619 B CN112816619 B CN 112816619B CN 202011610452 A CN202011610452 A CN 202011610452A CN 112816619 B CN112816619 B CN 112816619B
- Authority
- CN
- China
- Prior art keywords
- flue gas
- purifier
- pipe
- exhaust pipe
- smoke
- 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
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a novel device and a method for detecting a flue gas inertia system of a tanker, belonging to the technical field of tanker explosion prevention, wherein the device comprises: the gas transmission pipe body and the smoke purifier are communicated and send smoke into the inner bottom of the smoke purifier, the first smoke exhaust pipe is communicated with the upper part of the smoke purifier, the other end of the first smoke exhaust pipe is connected with the three-way pipe, one pipe orifice of the first smoke exhaust pipe is connected with the second smoke exhaust pipe, the second smoke exhaust pipe is communicated with the ship oil storage bin, the other pipe orifice of the second smoke exhaust pipe is connected with the third smoke exhaust pipe, the third smoke exhaust pipe is communicated with the ship oil storage bin, and the third smoke exhaust pipe body passes through the water tank with the built-in water body. This device can real time monitoring input flue gas parameter, carries out the rectification to carrying the flue gas in the pipeline and handles the not accurate problem of data monitoring that leads to in order to solve factors such as turbulent flow, can carry out rational processing to the flue gas of carrying simultaneously, guarantees to carry the normal use of flue gas in boats and ships oil storage storehouse.
Description
Technical Field
The invention belongs to the technical field of oil tanker explosion prevention, and particularly relates to a novel oil tanker flue gas inertia system detection device and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In recent years, with the rapid development of economy, the demand for energy resources in countries around the world has been increased, the trade between oil import countries and oil export countries has been gradually expanded, the transport capacity and volume of oil tankers has been rapidly increased, and the problems of oil tanker transport safety and prevention of marine pollution have become complicated. It is known that fire source, combustible gas and oxygen are three major factors for initiating explosion, and if any one of them can be excluded, the explosion will not occur, so to prevent oil gas explosion, it can be controlled from three aspects: 1. controlling the generation of the ignition source; 2. controlling the concentration of combustible petroleum gas in the oil cabin; 3. controlling the oxygen content in the cargo tank. In actual operation, residual inert gas is filled into the oil tank for protection, and the oil tank is filled with inert gas during unloading, so that the oxygen content of gas in the oil tank is reduced to a safe range, and the purposes of fire prevention and explosion prevention are achieved. Therefore, the protection of the oil tank by using inert gas is an effective method widely used in recent years, but the specific oxygen content of the input inert gas, the input amount of the inert gas and the like need to be accurately monitored in real time to avoid safety accidents.
It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.
Disclosure of Invention
The invention aims to provide a novel detection device and method for a tanker flue gas inertia system, which can monitor input flue gas parameters in real time, rectify and process flue gas conveyed in a pipeline to solve the problem of inaccurate data monitoring caused by turbulent flow and other factors, and can reasonably process the conveyed flue gas to ensure the normal use of the conveyed flue gas in a ship oil storage bin.
The technical scheme adopted by the invention for realizing the purpose is as follows: a novel detection device and method for a fume inert system of an oil tanker comprise:
a gas transmission pipe body used for transmitting the flue gas,
a flue gas purifier, a spray pipe is arranged in the flue gas purifier, the spray pipe is connected with a water pump arranged outside the flue gas purifier through a first water delivery pipe, a gas delivery pipe body is communicated with the flue gas purifier and sends flue gas to the bottom in the flue gas purifier,
one end of the first flue gas exhaust pipe is communicated with the upper part of the flue gas purifier, the other end of the first flue gas exhaust pipe is connected with the three-way pipe, one pipe orifice of the first flue gas exhaust pipe is connected with the second flue gas exhaust pipe, the second flue gas exhaust pipe is communicated with the ship oil storage bin, the other pipe orifice of the first flue gas exhaust pipe is connected with the third flue gas exhaust pipe, the third flue gas exhaust pipe is communicated with the ship oil storage bin, and the pipe body of the third flue gas exhaust pipe passes through the water tank of the built-in water body.
Wherein, the gas transmission pipe body at the inlet end of the flue gas purifier and the first flue gas exhaust pipe at the outlet end of the flue gas purifier are respectively provided with a first detector for detecting the oxygen content in the flue gas, and the first detectors are respectively connected with the control unit.
The invention adopts the gas transmission pipe body to transmit the flue gas, the used gas transmission pipe body is preferably made of anticorrosive materials, the flue gas transmitted into the ship oil storage bin is processed, particularly, the flue gas purifier is adopted to intercept particulate matters and regulate the temperature of the flue gas, after the flue gas enters the inner bottom of the flue gas purifier along the gas transmission pipe body, most of the particulate matters in the flue gas can be intercepted under the action of water sprayed from the upper part of the flue gas purifier and formed water mist, so that the particulate matters in the flue gas entering the ship oil storage bin are reduced, the particulate matters are prevented from falling into the petroleum to reduce the quality of the petroleum, the friction collision between the particulate matters and the inner bin wall of the ship oil storage bin is reduced or avoided, the fire source generation and the abrasion of the inner bin wall of the oil storage bin are prevented, the transmitted flue gas is reasonably processed, the normal use of the transmitted flue gas in the ship oil storage bin is ensured, the temperature of the input flue gas can be controlled by controlling the transmission paths of a first flue gas and a third flue gas exhaust pipe, the safety in the oil storage bin is also ensured, the problem of the oxygen content in the flue gas transmission path in a first detector is solved, and the turbulence detection method is used for accurately monitoring the flue gas transmission parameters of the flue gas transmission path, and the turbulence detection of the turbulence detection.
According to one embodiment of the invention, the bottom of the flue gas purifier is communicated with the water tank through the sewage discharge pipe body, and the first control valve is arranged on the sewage discharge pipe body. The mode that utilizes the body of spraying water eliminates particulate matter and sulphide etc. in the flue gas, reduces the content of sulphide, particulate matter in the flue gas, and the sewage that sprays the gas cleaning ware bottom is for avoiding its excessive piling up, delivers to the water tank with sewage through the blowdown body, can help the water tank to reduce the flue gas temperature that gets into boats and ships oil storage storehouse inside through the water, and the design of the first control valve on blowdown body upper portion is used for controlling sewage discharge.
According to an embodiment of the present invention, the second flue gas exhaust pipe and the second flue gas exhaust pipe are respectively provided with a first control valve and a flow meter. Through opening of the first control valve that is connected with second flue gas calandria and third flue gas calandria in control, if under the higher condition of flue gas temperature, close the first control valve on the second flue gas calandria, and then make the flue gas comparatively concentrated flow to third flue gas calandria direction, the flue gas that passes through the third flue gas calandria like this can pass through the water tank, utilizes the inside water of water tank to absorb the flue gas temperature, reduces and sends into the inside flue gas temperature in boats and ships oil storage bin, realizes flue gas temperature control.
According to one embodiment of the invention, the smoke purifier is internally provided with a first screen plate which is obliquely arranged, one end part of the first screen plate is fixedly connected with one side wall surface of the inner chamber of the smoke purifier, the other end part of the first screen plate is arranged at intervals with the opposite wall surface of the chamber and forms a gap opening, the horizontal height position of the end part of the first screen plate at the gap opening end is lower than that of the other end part, and the bottom surface of the first screen plate is provided with a conical screen bucket. The gas transmission pipe body is arranged below the first screen plate, smoke has larger heat and flows upwards from the bottom in the smoke purifier after being input into the smoke purifier, particles in the smoke flowing upwards can be intercepted through the first screen plate in the flowing process, particularly particles which are not combusted sufficiently exist in the smoke, the first screen plate which is obliquely arranged can realize that the distribution quantity of the smoke passing through the first screen plate is more uniform along the flowing direction of the smoke in the flowing process of the bottom of the first screen plate, the smoke is prevented from being filled with the persistence of one end part of the first screen plate, the particles which are beneficial to being intercepted by the first screen plate which is obliquely arranged fall downwards, meanwhile, under the action of a spraying water body on the upper part in the smoke purifier and formed water mist, the falling particles which fall downwards in the smoke can fall into the bottom of the smoke purifier through gap openings, the falling resistance of the particles falling downwards along the first screen plate is caused by the smoke flowing upwards is reduced and avoided, the falling resistance of the particles falling downwards along the first screen plate is provided by a falling outlet which is convenient to fall to the first screen plate, and the smoke hopper can be used for improving the direct smoke processing effect of the first screen plate bottom.
According to an embodiment of the invention, the inner bottom surface of the smoke purifier at the bottom of the first screen plate is provided with the air outlet assembly, the air outlet assembly comprises a cylindrical barrel body, the upper part of the barrel body is provided with an opening, the air delivery pipe body penetrates through the smoke purifier and extends into the barrel body, the inner wall of the barrel body is provided with a convex shunting extension groove in a surrounding manner, the center of the barrel body is provided with a rotating shaft which is coaxial with the barrel body and can rotate, and the side wall of the rotating shaft is provided with rotating blades in a surrounding manner. The gas transmission pipe body extends to the inside of the flue gas purification device and directly gives out gas to cause the gas outlet direction to be concentrated at a certain position in the flue gas purification device, the gas outlet direction is concentrated, the flue gas treatment capacity at the position is increased, the uneven upward distributed flow of the flue gas is not beneficial to removing particles in the flue gas and reducing the temperature of the flue gas, the upward flue gas distribution of the flue gas from the bottom in the flue gas purification device is realized by arranging the gas outlet assembly, the flue gas treatment effect and the temperature control effect are improved, the flue gas entering the barrel body flows along the inner wall of the barrel body by particularly passing through the barrel body with an opening at the upper end, thus the direct impact between the flue gas and the inner wall of the flue gas purification device is avoided, the flue gas flowing along the inner wall of the barrel body can form an upward rotational flow, the flue gas flows uniformly and upwards flows into the shunting extension groove, and the shunting extension groove is designed in the direction of the inner wall of the barrel body to ensure that part of the flue gas flowing along the inner wall of the barrel body rotationally flows into the shunting extension groove, therefore, the rotational flow speed can be damaged or reduced, the problem that the upward flow speed of the flue gas is too high is solved, in the rotational flow process formed by the flue gas along the inner wall of the barrel body, particles in the flue gas are easily thrown to the inner wall of the barrel body, the design of the shunting extension groove can promote the particles to be intercepted in the shunting extension groove, and simultaneously, in the process that the particles are thrown to the shunting extension groove along with the flue gas, a large amount of impact and high-frequency impact can be formed by the contact of more particles and the inner wall of the shunting extension groove, so that the residual oxygen in the flue gas can be consumed, the oxygen content in the flue gas is further reduced, in order to reduce and avoid the problem that the flue gas enters the barrel body inside the gas outlet assembly to directly impact the inner wall of the barrel body or the formed rotational flow effect is not good, the rotary shaft and the rotary blades which can rotate are designed in the middle of the barrel body to guide the flue gas entering the barrel body, promoting the smoke to form rotational flow.
According to one embodiment of the invention, a flow rectification sleeve body is arranged in the gas transmission pipe body, the diameter of the flow rectification sleeve body is gradually reduced along the gas transmission direction, the outer wall of the flow rectification sleeve body is connected with the inner wall of the gas transmission pipe body through flow equalization connecting rods arranged at intervals, and guide vanes are arranged on the outer wall of the flow rectification sleeve body in a surrounding mode. Turbulence can occur in the flue gas in the pipeline conveying process, which is not beneficial to long-term use of the pipeline and accurate detection of the oxygen content of the flue gas, so that the flue gas flowing inside the pipeline is rectified by arranging the fairing body inside the gas conveying pipe body, and the flowing flue gas flow line is rectified by the fairing body, so that the flue gas flows from the inner side and the outer side of the fairing body respectively, the flue gas flow inside the pipeline is divided, the divided flue gas flows along the sleeve wall of the fairing body with the gradually reduced diameter respectively, and the gathering of the flue gas flowing direction to the middle part of the fairing body can be realized,
according to one embodiment of the invention, the first flue gas exhaust pipe is provided with a first control valve and a flowmeter; the smoke exhaust control device is used for acquiring the flow of smoke exhausted from the interior of the smoke purifier and controlling the first control valve to open or close the first smoke exhaust pipe according to the decision of the control device so as to control the circulation of the smoke.
According to an embodiment of the present invention, the gas pipe body at the inlet end of the flue gas purifier and the first flue gas pipe at the outlet end of the flue gas purifier are respectively provided with a second detector for detecting the temperature of the flue gas. The temperature sensor and the liquid level sensor are arranged in the ship oil storage bin, the flue gas temperature in the ship oil storage bin of an input value is obtained through the designed second detector, the obtained data are fed back to the control unit to control the opening of the first control valve connected with the second flue gas exhaust pipe and the third flue gas exhaust pipe, if the flue gas temperature is higher, the first control valve on the second flue gas exhaust pipe is closed, the flue gas flows to the third flue gas exhaust pipe in a centralized mode, the flue gas passing through the third flue gas exhaust pipe can pass through the water tank, the flue gas temperature is absorbed by the water body in the water tank, the flue gas temperature sent into the ship oil storage bin is reduced, the flue gas temperature control is achieved, meanwhile, the temperature in the ship oil storage bin is further guaranteed according to the temperature sensor in the ship oil storage bin, the explosion-proof safety is guaranteed, the liquid level sensor in the ship oil storage bin can monitor the liquid level in real time to obtain the ship liquid level change, and the inert flue gas quantity input in the oil storage bin can be conveniently regulated and controlled.
A detection method of a novel detection device for a fume inert system of an oil tanker comprises the following specific steps:
-obtaining data of the detection of the fumes inside the gas-conveying pipe at the inlet end of the fume purifier and feeding them back to the control unit,
-obtaining the smoke detection data in the first smoke exhaust pipe at the outlet end of the smoke purifier after the smoke is treated by the smoke purifier, feeding back the smoke detection data to the control unit, and controlling the flow of the smoke entering the second smoke exhaust pipe and the third smoke exhaust pipe by the control unit.
The invention utilizes the first detector to monitor the oxygen content in the flue gas input into the ship oil storage bin, ensures that the oxygen content of inert flue gas input into the ship oil storage bin can be controlled below 8%, can timely alarm and control to stop inputting flue gas which does not accord with the oxygen content when monitoring is abnormal, makes emergency response, and monitors the transmitted flue gas data by arranging the first detector at the inlet and outlet ends of the flue gas purifier respectively to realize the accuracy of the flue gas monitoring data so as to reduce false alarm and potential safety hazard.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a gas transmission pipe body to transmit flue gas, processes the flue gas transmitted into a ship oil storage bin, specifically adopts a flue gas purifier to intercept particulate matters and regulate the temperature of the flue gas, after the flue gas enters the bottom in the flue gas purifier along the gas transmission pipe body, most particulate matters in the flue gas can be intercepted under the action of water sprayed at the upper part of the flue gas purifier and formed water mist, so that the particulate matters in the flue gas entering the ship oil storage bin can be reduced, the quality of the petroleum is prevented from falling into the petroleum, the friction collision between the particulate matters and the inner bin wall of the ship oil storage bin is reduced or avoided, the generation of a fire source and the abrasion of the inner bin wall of the oil storage bin are prevented, the transmitted flue gas is reasonably processed, the normal use of the transmitted flue gas in the ship oil storage bin is ensured, the temperature of the transmitted flue gas can be controlled by controlling the transmission paths of a first flue gas pipe and a third flue gas pipe, the safety in the oil storage bin is also ensured, the problem of oxygen content in the input flue gas is solved by setting a plurality of groups of first detectors to ensure that the oxygen content in each transmission path is accurately monitored in real time, and the turbulence of the flue gas is accurately monitored, and the turbulence of the flue gas is detected, and the turbulence of the flue gas is accurately monitored.
Drawings
FIG. 1 is a schematic view of a novel detection device for a fume inert system of a tanker;
FIG. 2 is a schematic view of the internal structure of the flue gas purifier;
FIG. 3 is a schematic view of a first net plate;
FIG. 4 is a schematic view of the connection of a third flue gas exhaust pipe to a second flue gas exhaust pipe;
FIG. 5 is a top view of the vent assembly;
FIG. 6 is a schematic view of the interior of the fairing body;
FIG. 7 is a schematic view of a rotating main disk;
fig. 8 is a schematic view of an auxiliary fairing.
Reference numerals: 100-an oil storage bin; 10-a control unit; 11-a first detector; 12-a first control valve; 13-a flow meter; 14-a connection line; 20-a gas transmission pipe body; 21-a first flue gas duct bank; 23-a second flue gas duct bank; 24-a third flue gas duct bank; 25-a water tank; 30-a flue gas purifier; 31-a first mesh sheet; 32-a net bucket; 40-a water pump; 41-a first water delivery pipe; 42-a shower pipe; 43-gap opening; 50-an air outlet assembly; 51-a waste pipe body; 52-a split flow extension tank; 53-rotating blades; 54-rotation axis; 70-a fairing body; 71-a flow equalizing connecting rod; 72-guide vanes; 80-an auxiliary fairing; 81-conical ball bearings; 82-a first via; 83-third via; 84-a rotating cylinder body; 85-rotating the main disc body; 86-rotating blades.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:
example 1:
referring to fig. 1-6, a novel device and method for detecting the inert gas system of the oil tanker comprises:
a gas delivery pipe body 20 for delivering the flue gas,
a flue gas purifier 30, a spray pipe 42 is arranged in the flue gas purifier 30, the spray pipe 42 is connected with a water pump 40 arranged outside the flue gas purifier 30 through a first water delivery pipe 41, a gas delivery pipe body 20 is communicated with the flue gas purifier 30 and sends the flue gas to the bottom in the flue gas purifier 30,
one end of the first flue gas exhaust pipe 21 is communicated with the upper part of the flue gas purifier 30, the other end of the first flue gas exhaust pipe 21 is connected with the three-way pipe, one pipe orifice of the first flue gas exhaust pipe is connected with the second flue gas exhaust pipe 23, the second flue gas exhaust pipe 23 is communicated with the ship oil storage bin 100, the other pipe orifice of the second flue gas exhaust pipe is connected with the third flue gas exhaust pipe 24, the third flue gas exhaust pipe 24 is communicated with the ship oil storage bin 100, and the pipe body of the third flue gas exhaust pipe 24 passes through the water tank 25 of the built-in water body.
Wherein, the gas pipe body 20 at the inlet end of the flue gas purifier 30 and the first flue gas pipe 21 at the outlet end of the flue gas purifier 30 are respectively provided with a first detector 11 for detecting the oxygen content in the flue gas, and the first detector 11 is respectively connected with the control unit 10.
The invention adopts the gas transmission pipe body 20 to transmit the flue gas, the used gas transmission pipe body 20 is preferably made of an anticorrosive material, the flue gas transmitted into the ship oil storage bin 100 is processed, particularly, the flue gas purifier 30 is adopted to intercept particulate matters and regulate the temperature of the flue gas, after the flue gas enters the inner bottom of the flue gas purifier 30 along the gas transmission pipe body 20, most of the particulate matters in the flue gas can be intercepted under the action of water sprayed at the upper part of the flue gas purifier 30 and formed water mist, so that the particulate matters in the flue gas entering the ship oil storage bin are reduced, the quality of the petroleum is prevented from being reduced by the particulate matters falling into the petroleum, the friction collision between the particulate matters and the inner bin wall of the ship oil storage bin 100 is reduced or avoided, the generation of a fire source and the abrasion of the inner bin wall of the oil storage bin 100 are prevented, the transmitted flue gas is reasonably processed, the normal use of the transmitted flue gas in the ship oil storage bin is ensured, the temperature can be controlled by controlling the transmission paths of the first flue gas discharge pipe 23 and the third flue gas discharge pipe 24, the problem that the input flue gas temperature is accurately monitored by a plurality of oxygen content detection instrument in a plurality of flue gas rectification detection and other modes is solved, and the problem of the flue gas detection instrument is solved.
The bottom of the flue gas purifier 30 is communicated with the water tank 25 through a sewage pipe body 51, and the sewage pipe body 51 is provided with a first control valve 12. The mode that utilizes the body of spraying water eliminates particulate matter and sulphide etc. in the flue gas, reduces the content of sulphide, particulate matter in the flue gas, and sprays the sewage of flue gas purifier 30 bottom for avoiding its excessive piling up, delivers to water tank 25 with sewage through blowdown body 51, can help water tank 25 to reduce the flue gas temperature that gets into boats and ships oil storage bin 100 inside through the water, and the design of the first control valve 12 on blowdown body 51 upper portion is used for controlling sewage discharge.
The second flue gas exhaust pipe 23 and the second flue gas exhaust pipe 25 are respectively provided with a first control valve 12 and a flowmeter 13. Through opening of the first control valve 12 that control and second flue gas calandria 23 and third flue gas calandria 24 are connected, if under the higher condition of flue gas temperature, close the first control valve 12 on the second flue gas calandria 23, and then make the flue gas comparatively concentrated flow to the 24 directions of third flue gas calandria, flue gas 24 through the third flue gas calandria like this can pass through water tank 25, utilize the inside water of water tank 25 to absorb the flue gas temperature, reduce and send into the inside flue gas temperature of boats and ships oil storage bin 100, realize flue gas temperature control.
Be equipped with the first otter board 31 of slope setting in the gas cleaning ware 30, a first otter board 31 tip and the interior chamber lateral wall rigid coupling of gas cleaning ware 30, the other end sets up and forms clearance opening 43 with the relative wall interval of chamber, and the first otter board 31 tip level position of clearance open end is less than the other end, and first otter board 31 bottom surface all is equipped with conical net fill 32. The gas transmission pipe body 20 is arranged below the first screen plate 31, therefore, after the flue gas is input into the flue gas purifier 30, the flue gas has larger heat and flows upwards from the inner bottom of the flue gas purifier 30, the particulate matters in the flue gas flowing upwards can be intercepted through the first screen plate 31 in the flowing process, particularly, the particulate matters which are not combusted sufficiently exist in the flue gas, the first screen plate 31 which is obliquely arranged can realize that the distribution quantity of the flue gas is more uniform when the flue gas passes through the first screen plate 31 due to the proper change of the flowing direction of the flue gas in the flowing process of the bottom of the first screen plate 31, the flue gas is prevented from being filled into one end part of the first screen plate 31 to pass continuously, the first screen plate 31 which is obliquely arranged is favorable for intercepting the particulate matters to fall downwards along the oblique direction, meanwhile, under the action of a spraying water body on the upper part in the flue gas purifier 30 and formed water mist, the particulate matters in the flue gas fall downwards and move along the first screen plate 31 and can fall into the bottom of the flue gas purifier 30 below the first screen plate 31 through the gap opening 43, the falling resistance of the particulate matters along the first screen plate 31 is provided by the hopper 32 which is arranged on the first screen plate 31, and the flue gas falling probability of falling of the first screen plate 31 can be improved, and the first screen plate 31 can be improved.
The inner bottom surface of the flue gas purifier 30 at the bottom of the first screen plate 31 is provided with a gas outlet assembly 50, the gas outlet assembly 50 comprises a cylindrical barrel body, the upper part of the barrel body is provided with an opening, the gas transmission pipe body 20 penetrates through the flue gas purifier 30 and extends into the barrel body, the inner wall of the barrel body is provided with a convex shunting extension groove 52 in a surrounding manner, the center of the barrel body is provided with a rotating shaft 54 which is coaxial with the barrel body and can rotate, and the side wall of the rotating shaft 54 is provided with rotating blades 53 in a surrounding manner. The gas transmission pipe body 20 extends into the flue gas purification device 30, the direct gas outlet of the gas transmission pipe body leads the gas outlet direction to be concentrated at a certain position in the flue gas purification device 30, the gas outlet direction is concentrated, the flue gas treatment capacity at the position is increased, the uneven upward distributed flow of the flue gas is not beneficial to removing particulate matters in the flue gas and reducing the temperature of the flue gas, the upward flue gas distribution of the flue gas from the bottom in the flue gas purification device 30 is realized by arranging the gas outlet assembly 50, the flue gas treatment effect and the temperature control effect are improved, particularly, the flue gas entering the barrel body flows along the inner wall of the barrel body by the barrel body with an opening at the upper end, thus the direct impact of the fed flue gas and the inner wall of the flue gas purification device 30 is avoided, the flue gas flowing along the inner wall of the barrel body can form upward rotational flow, the flue gas flows upwards uniformly, meanwhile, the diversion extension grooves 52 are designed in the direction of the inner wall of the barrel body, so that partial flue gas flowing along the inner wall of the barrel body flows into the diversion extension grooves 52, can destroy or reduce swirl speed like this, with the too fast problem of solution flue gas upward flow velocity, the flue gas is along the rotatory flow in-process that staving inner wall formed, the particulate matter in the flue gas is comparatively easily got rid of to the staving inner wall, the design of reposition of redundant personnel extension tank 52 can promote the particulate matter to be held back in reposition of redundant personnel extension tank 52, simultaneously the particulate matter gets rid of the in-process to the reposition of redundant personnel extension tank 52 along with the flue gas, more particulate matter can form a large amount of striking and high frequency striking with the contact of reposition of redundant personnel extension tank 52 inner wall and can consume remaining oxygen in the flue gas this mode, further reduce the oxygen content in the flue gas, for reducing and avoid the flue gas to enter into the inside staving of gas outlet assembly 50 direct striking staving inner wall or the not good problem of the whirl effect that forms of rotating shaft 54 and rotating vane 53 that can rotate at staving middle part design The gas is guided to promote the flue gas to form rotational flow.
A rectification sleeve body 70 is arranged in the gas transmission pipe body 20, the diameter of the rectification sleeve body 70 is gradually reduced along the gas transmission direction, the outer wall of the rectification sleeve body 70 is connected with the inner wall of the gas transmission pipe body 20 through flow equalizing connecting rods 71 arranged at intervals, and guide vanes 72 are arranged on the outer wall of the rectification sleeve body 70 in a surrounding mode. Turbulence may occur in the flue gas during the pipeline transportation process, which is not favorable for long-term use of the pipeline and accurate detection of the oxygen content of the flue gas, so that the flue gas flowing inside the pipeline is rectified by the way of arranging the flow rectification sleeve body 70 inside the gas transmission pipe body 20, specifically, the flow line of the flowing flue gas is rectified by the way of the flow rectification sleeve body 70, so as to promote the flue gas to flow from the inside and outside directions of the flow rectification sleeve body 70, firstly, the flue gas flow inside the pipeline is divided, the divided flue gas flows along the sleeve wall of the flow rectification sleeve body 70 with the gradually reduced diameter, so that the flow direction of the flue gas is gathered towards the middle part of the flow rectification sleeve body 70, the flue gas is rectified inside the through 20, and the flue gas flows in the middle part of the pipeline relatively gathered in the gas transmission pipe body 20, because the flow rate of the flue gas is increased and the friction damage between particulate matters in the flue gas and the pipe wall is avoided, meanwhile, the flow guide vanes 72 arranged on the outer wall of the flow rectification sleeve body 70 can better guide the flue gas to promote the flow of the flue gas to flow along the outer wall of the flow rectification sleeve body 70 to form a spiral flow trajectory, which is favorable for converging with the flue gas in the middle part of the flow rectification sleeve body 70.
The first flue gas exhaust pipe 21 is provided with a first control valve 12 and a flowmeter 13; for obtaining the flow of the flue gas exhausted from the interior of the flue gas purifier 30 and controlling the first control valve 12 to open or close the first flue gas exhaust pipe 21 according to the control device decision, so as to control the flow of the flue gas.
The gas transmission pipe body 20 at the inlet end of the flue gas purifier 30 and the first flue gas exhaust pipe 21 at the outlet end of the flue gas purifier 30 are respectively provided with a second detector for detecting the temperature of the flue gas. The temperature sensor and the liquid level sensor are arranged in the ship oil storage bin 100, the flue gas temperature inside the ship oil storage bin 100 with an input value is obtained through a designed second detector, the obtained data is fed back to the control unit 10 to control the opening of the first control valve 12 connected with the second flue gas exhaust pipe 23 and the third flue gas exhaust pipe 24, if the flue gas temperature is high, the first control valve 12 on the second flue gas exhaust pipe 23 is closed, the flue gas flows to the third flue gas exhaust pipe 24 in a concentrated mode, the flue gas 24 passing through the third flue gas exhaust pipe can pass through the water tank 25, the flue gas temperature is absorbed by the water inside the water tank 25, the flue gas temperature sent into the ship oil storage bin 100 is reduced, the flue gas temperature control is achieved, meanwhile, the temperature inside the ship oil storage bin 100 is further guaranteed according to the temperature sensor inside the ship oil storage bin 100, the explosion-proof safety is guaranteed, the liquid level sensor inside the ship oil storage bin 100 can achieve real-time monitoring on the liquid level inside the stored liquid level to obtain liquid level changes, and inert flue gas quantity input into the ship oil storage bin 100 can be conveniently regulated and controlled.
A detection method of a novel detection device for a fume inert system of an oil tanker comprises the following specific steps:
obtaining the smoke detection data inside the gas transmission pipe body 20 at the inlet end of the smoke purifier 30 and feeding back the data to the control unit 10,
after the flue gas is treated by the flue gas purifier 30, the flue gas detection data in the first flue gas discharge pipe 21 at the outlet end of the flue gas purifier 30 are obtained, the control unit 10 is fed back, and the control unit 10 regulates and controls the flow of the flue gas entering the second flue gas discharge pipe 23 and the third flue gas discharge pipe 24.
According to the invention, the first detector 11 is used for monitoring the oxygen content in the flue gas input into the ship oil storage bin 100, the oxygen content of the inert flue gas input into the ship oil storage bin 100 can be controlled below 8%, when monitoring is abnormal, the alarm can be given timely, the input of the flue gas which does not accord with the oxygen content can be controlled to stop, an emergency response is made, in order to ensure more accurate data monitoring, the first detector 11 is respectively arranged at the inlet and outlet ends of the flue gas purifier 30 to monitor the transmitted flue gas data, the accuracy of the flue gas monitoring data can be realized, and the false alarm and the existing potential safety hazard can be reduced, wherein the flow of the flue gas input into the ship oil storage bin 100 can be regulated and controlled through the control unit 10, for example, the flow of the flue gas entering into the second flue gas exhaust pipe 23 and the third flue gas exhaust pipe 24 can be regulated and controlled, and of course, the regulation and control also comprises the control of the flue gas entering into the third flue gas exhaust pipe 24 to control the flue gas temperature.
Example 2:
the further optimization scheme of the embodiment based on the embodiment 1 is as follows: referring to fig. 7 and 8, a coaxial auxiliary rectifying member 80 is further disposed in the rectifying sleeve body 70, the auxiliary rectifying member 80 includes a conical ball bearing 81 connected to an inner wall of the rectifying sleeve body 70, an inner ring of the conical ball bearing 81 is connected to a rotating main disc body 85 disposed coaxially therewith, a first through hole 82 and a third through hole 83 disposed in a surrounding manner and penetrating through the disc surface of the rotating main disc body 85 are respectively formed in the disc surface of the rotating main disc body 85, a rotatable rotating cylinder 84 is connected to the middle of the rotating main disc body 85, a rotating blade 86 is disposed on a cylinder side surface of the rotating cylinder 84, and two end portions of the rotating cylinder 84 can be respectively connected to the rotating main disc body 85. According to the invention, the scheme of the auxiliary rectifying piece 80 arranged in the rectifying sleeve body 70 is used for realizing the spiral track flow of the flue gas passing through the inner side of the rectifying sleeve body 70, and particularly, the flue gas can be driven to rotate relative to the conical ball bearing 81 and the rotating blades 86 can also rotate relative to each other in the process of rotating the main disc body 85, so that the flue gas flow line passing through the rectifying sleeve body 70 can be changed, and the flue gas flow line can be converged with the air flow on the outer wall of the rectifying sleeve body 70 better.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, for example, as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a novel oilship flue gas inertia system detects device, includes:
a gas transmission pipe body (20) used for transmitting the flue gas,
the flue gas purifier (30), a spray pipe (42) is arranged in the flue gas purifier (30), the spray pipe (42) is connected with a water pump (40) arranged outside the flue gas purifier (30) through a first water pipe (41), the gas pipe body (20) is communicated with the flue gas purifier (30) and sends flue gas into the inner bottom of the flue gas purifier (30),
one end of the first flue gas calandria (21) is communicated with the upper part of the flue gas purifier (30), the other end of the first flue gas calandria (21) is connected with the three-way pipe, one pipe orifice of the first flue gas calandria (21) is connected with the second flue gas calandria (23), the second flue gas calandria (23) is communicated with the ship oil storage bin (100), the other pipe orifice of the second flue gas calandria (23) is connected with the third flue gas calandria (24), the third flue gas calandria (24) is communicated with the ship oil storage bin (100), and the pipe body of the third flue gas calandria (24) passes through the water tank (25) with the built-in water body;
the gas transmission pipe body (20) at the inlet end of the smoke purifier (30) and the first smoke exhaust pipe (21) at the outlet end of the smoke purifier (30) are respectively provided with a first detector (11) for detecting the oxygen content in smoke, and the first detectors (11) are respectively connected with the control unit (10);
the bottom of the flue gas purifier (30) is communicated with the water tank (25) through a sewage discharge pipe body (51), and the sewage discharge pipe body (51) is provided with a first control valve (12);
a first control valve (12) is arranged on the first flue gas exhaust pipe (21), and a flow meter (13) is arranged on the second flue gas exhaust pipe (23);
a first screen plate (31) which is obliquely arranged is arranged in the smoke purifier (30), one end of the first screen plate (31) is fixedly connected with one side wall surface of a chamber in the smoke purifier (30), the other end of the first screen plate is arranged at intervals with the opposite wall surface of the chamber and forms a gap opening (43), the horizontal height position of the end of the first screen plate (31) at the gap opening end is lower than that at the other end, and conical mesh hoppers (32) are arranged on the bottom surface of the first screen plate (31);
an air outlet assembly (50) is arranged on the inner bottom surface of the smoke purifier (30) at the bottom of the first screen plate (31), the air outlet assembly (50) comprises a cylindrical barrel body, an opening is formed in the upper portion of the barrel body, the air delivery pipe body (20) penetrates through the smoke purifier (30) and extends into the barrel body, a convex shunting extension groove (52) is formed in the inner wall of the barrel body in a surrounding mode, a rotating shaft (54) which is coaxial with the barrel body and can rotate is arranged in the center of the barrel body, and rotating blades (53) are arranged on the side wall of the rotating shaft (54) in a surrounding mode;
the gas transmission pipe is characterized in that a rectification sleeve body (70) is arranged in the gas transmission pipe body (20), the diameter of the rectification sleeve body (70) is gradually reduced along the gas transmission direction, the outer wall of the rectification sleeve body (70) is connected with the inner wall of the gas transmission pipe body (20) through flow equalizing connecting rods (71) arranged at intervals, and guide vanes (72) are arranged on the outer wall of the rectification sleeve body (70) in a surrounding mode.
2. The novel detection device for the oil tanker flue gas inertia system as recited in claim 1, wherein:
and a second detector for detecting the temperature of the flue gas is respectively arranged on the gas transmission pipe body (20) at the inlet end of the flue gas purifier (30) and the first flue gas exhaust pipe (21) at the outlet end of the flue gas purifier (30).
3. The method for detecting the novel oil tanker smoke inert system device according to any of the claims 1-2, wherein the method comprises the following steps:
the smoke detection data in the gas transmission pipe body (20) at the inlet end of the smoke purifier (30) is obtained and fed back to the control unit (10),
after the flue gas is treated by the flue gas purifier (30), flue gas detection data in a first flue gas exhaust pipe (21) at the outlet end of the flue gas purifier (30) are obtained, a control unit (10) is fed back, and the control unit (10) regulates and controls the flow of the flue gas entering a second flue gas exhaust pipe (23) and a third flue gas exhaust pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610452.3A CN112816619B (en) | 2020-12-30 | 2020-12-30 | Novel device and method for detecting inert gas system of oil tanker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610452.3A CN112816619B (en) | 2020-12-30 | 2020-12-30 | Novel device and method for detecting inert gas system of oil tanker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112816619A CN112816619A (en) | 2021-05-18 |
| CN112816619B true CN112816619B (en) | 2023-01-03 |
Family
ID=75854966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011610452.3A Active CN112816619B (en) | 2020-12-30 | 2020-12-30 | Novel device and method for detecting inert gas system of oil tanker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112816619B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659316A (en) * | 2009-09-15 | 2010-03-03 | 王德荣 | Marine inert gases system |
| CN206701539U (en) * | 2017-03-31 | 2017-12-05 | 广州市迪瑞喷雾机械有限公司 | Air duct and spraying apparatus |
| CN108126451A (en) * | 2018-02-27 | 2018-06-08 | 攀枝花市旭鼎机械制造有限公司 | Fume dust remover |
| CN208512169U (en) * | 2018-05-30 | 2019-02-19 | 唐山钢铁集团有限责任公司 | A kind of boiler smoke particle purifying device |
| CN209392890U (en) * | 2018-11-13 | 2019-09-17 | 迈科斯（天津）技术服务有限责任公司 | A kind of high temperature fume dust removal device |
-
2020
- 2020-12-30 CN CN202011610452.3A patent/CN112816619B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659316A (en) * | 2009-09-15 | 2010-03-03 | 王德荣 | Marine inert gases system |
| CN206701539U (en) * | 2017-03-31 | 2017-12-05 | 广州市迪瑞喷雾机械有限公司 | Air duct and spraying apparatus |
| CN108126451A (en) * | 2018-02-27 | 2018-06-08 | 攀枝花市旭鼎机械制造有限公司 | Fume dust remover |
| CN208512169U (en) * | 2018-05-30 | 2019-02-19 | 唐山钢铁集团有限责任公司 | A kind of boiler smoke particle purifying device |
| CN209392890U (en) * | 2018-11-13 | 2019-09-17 | 迈科斯（天津）技术服务有限责任公司 | A kind of high temperature fume dust removal device |
Non-Patent Citations (2)
| Title |
|---|
| 冯明波等.惰性气体系统在油船中的应用及污染防治.《南通航运职业技术学院学报》.2009, * |
| 惰性气体系统在油船中的应用及污染防治;冯明波等;《南通航运职业技术学院学报》;20090630;第75页（1）烟道气式惰性气体系统，图2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112816619A (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101955780B1 (en) | Automatic high-speed rotary atomizing device, use thereof and a fire extinguishing method by using same | |
| CN109621719B (en) | Catalyst feeding device based on SCR flue gas denitration | |
| CN112816619B (en) | Novel device and method for detecting inert gas system of oil tanker | |
| CN102874614A (en) | Dust suppressing and falling system of dumper for dumping high-dust materials | |
| CN108671739A (en) | A kind of spray scattering tower apparatus | |
| CN105645112B (en) | A kind of sodium acid carbonate collection is defeated and sprays complete process system | |
| CN201216921Y (en) | Novel controllable wet desulphurization column for smoke prevention and dust control | |
| CN206688507U (en) | The device of sulfur trioxide in coal-fired flue-gas is removed using swirl injection device | |
| CN206021095U (en) | A kind of thermal power plant's slurry circulating pump feedforward control system | |
| CN208032248U (en) | A kind of eddy flow tower | |
| CN109939547B (en) | Washing tower suitable for ship exhaust gas desulfurization | |
| CN106925109B (en) | Device and method for removing sulfur trioxide in coal-fired flue gas by adopting cyclone ejector | |
| CN103252183A (en) | Classifying dropping-type coal slurry pretreating device | |
| CN211393920U (en) | Drying and solidifying device for zero discharge of wastewater | |
| CN205412683U (en) | Cement kiln SCR flue gas denitration reductant gasification / mixture integrated device | |
| CN207980853U (en) | A kind of flue gas desulfurization and denitrification equipment | |
| CN211612204U (en) | High-efficient cooling system in advance suitable for U type scrubbing tower | |
| CN107029536A (en) | Spiral blender and the denitrification apparatus using the blender | |
| CN112696704A (en) | Quench tower with water circulation device and unpowered ash removal device | |
| CN208553561U (en) | Flue gas dust collecting system in a kind of TFT glass furnace | |
| CN209848663U (en) | Cyclone purification tower | |
| CN205914016U (en) | Non - catalytic reduction denitrification facility of selectivity | |
| CN202880508U (en) | Dust suppression and dust falling system for materials with high dust produced when tippler turns over materials | |
| CN205495337U (en) | Improved generation powder jet device | |
| CN205323527U (en) | Powder injection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |