CN110159925A - Concentrated sulfuric acid air-transport system - Google Patents
Concentrated sulfuric acid air-transport system Download PDFInfo
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- CN110159925A CN110159925A CN201910475008.6A CN201910475008A CN110159925A CN 110159925 A CN110159925 A CN 110159925A CN 201910475008 A CN201910475008 A CN 201910475008A CN 110159925 A CN110159925 A CN 110159925A
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- Prior art keywords
- sulfuric acid
- concentrated sulfuric
- tank
- storage tank
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/12—Conveying liquids or viscous products by pressure of another fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
Provide a kind of concentrated sulfuric acid air-transport system, it includes the concentrated sulfuric acid tank car (8), concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2) being sequentially communicated, it further include the air compressor (6) of vacuum evacuation device (5) and air cushion tank (3) and its connection；Vacuum evacuation device (5) is connected with concentrated sulfuric acid storage tank (1), for forming subnormal ambient in concentrated sulfuric acid storage tank (1), the concentrated sulfuric acid is made to be delivered to concentrated sulfuric acid storage tank (1) automatically from concentrated sulfuric acid tank car (8)；Air cushion tank (3) is connected with concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2) respectively, for individually conveying compressed air to concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2), forming positive pressure environment makes the concentrated sulfuric acid in concentrated sulfuric acid storage tank (1) flow to concentrated sulfuric acid surge tank (2), the concentrated sulfuric acid in concentrated sulfuric acid surge tank (2) is made to flow to complex acid point.The present invention realize the concentrated sulfuric acid it is automatic, without pump contact convey.
Description
Technical field
The present invention relates generally to concentrated sulfuric acid conveying technology field, more particularly to a kind of concentrated sulfuric acid air-transport system.
Background technique
The concentrated sulfuric acid has very strong corrosivity, can corrode all metal products as a kind of basic chemicals.But
The purposes of sulfuric acid is very extensive, such as chemical plant, metallurgical industry, intermetallic composite coating, petroleum industry gasoline, lubrication department, therefore dense
The safe transport of sulfuric acid is a kind of vital technique.
The conveying and storage of the concentrated sulfuric acid are generally conveyed using pump at present, and it is difficult that the selection of corrosion-resistant pump becomes a big technology
Topic.CN 103723668A has invented a kind of sulfuric acid negative pressure and has unloaded acid system, is related to the concentrated sulfuric acid from tank car to the method for unloading sour case,
It is conveyed from sour case is unloaded to sulfuric acid storage tank using eccentrie helical totorpump, the use of still inevitable pump.CN 106567942A is invented
A kind of concentration sulfuric acid conveying device is reached plus the device and positioning device for reducing spring generation torque in sulfuric acid conveying device
To the purpose of the accurate conveying concentrated sulfuric acid, but it still can not solve the pump etching problem of concentrated sulfuric acid transmission process.
Summary of the invention
The present invention is directed to the problems of the prior art and defect, provides a kind of concentrated sulfuric acid air-transport system, the system
Using gas power section forms vacuum environment inside the device of system the concentrated sulfuric acid to be drawn in vacuum environment device, or
Hyperbaric environment is formed inside the device of system to drive the concentrated sulfuric acid inside hyperbaric environment to flow to other devices, to realize
The concentrated sulfuric acid inside the different device of system without pump transport flow and transfer because the present invention is without the use of pump, dense sulphur
Sour delivery safety coefficient is high, highly reliable, improves security performance, and reduce the cost of concentrated sulfuric acid transportation system.
The technical scheme is that a kind of concentrated sulfuric acid air-transport system, it include by concentrated sulfuric acid conveyance conduit according to
Concentrated sulfuric acid tank car, concentrated sulfuric acid storage tank and the concentrated sulfuric acid surge tank of secondary connection, further include aerodynamic force part；The concentrated sulfuric acid tank car
For transporting the concentrated sulfuric acid and conveying into the concentrated sulfuric acid storage tank concentrated sulfuric acid of shipment；The concentrated sulfuric acid storage tank is used for the dense sulphur that will be stored
Acid is delivered to concentrated sulfuric acid surge tank；The concentrated sulfuric acid surge tank is connected to complex acid point, dense for carrying out the conveying of concentrated sulfuric acid storage tank
Sulfuric acid is delivered to complex acid point；The aerodynamic force part is for providing environment under low pressure and/or hyperbaric environment, and the driving concentrated sulfuric acid is from dense
Vitriol tank-car to concentrated sulfuric acid storage tank, from concentrated sulfuric acid storage tank to concentrated sulfuric acid surge tank, the flowing from concentrated sulfuric acid surge tank to complex acid point.
After the visibly different device connection of two internal pressures, internal fluid can flow to pressure from the high device of pressure
Low device, the present invention is based on this to devise aerodynamic force part, to form hyperbaric environment to being filled with compressed air inside device
Or the drive that air forms environment under low pressure in draw-out device or vacuum environment flows between different tank bodies as the concentrated sulfuric acid of the present invention
Between power, such as the concentrated sulfuric acid tank car equipped with the concentrated sulfuric acid and the concentrated sulfuric acid storage tank of sky, if making the concentrated sulfuric acid from concentrated sulfuric acid tank car
Be delivered to concentrated sulfuric acid storage tank, aerodynamic force implementation can there are two types of, first is that making concentrated sulfuric acid tank car by being filled with compressed air
Inside forms higher pressure environment, and then the concentrated sulfuric acid storage tank with internal pressure significantly lower than concentrated sulfuric acid tank car is connected, by
In the pressure-driven of high pressure, the concentrated sulfuric acid flows to the concentrated sulfuric acid storage tank of environment under low pressure from the concentrated sulfuric acid tank car of hyperbaric environment；Second is that logical
Crossing the air extracted in concentrated sulfuric acid storage filling makes concentrated sulfuric acid tank inside form vacuum environment or pressure significantly lower than normal pressure, then connects
Logical internal pressure is apparently higher than the concentrated sulfuric acid tank car of concentrated sulfuric acid storage tank, because of the suction effect of low-pressure, the concentrated sulfuric acid is from high compression ring
The concentrated sulfuric acid tank car in border flows to the concentrated sulfuric acid storage tank of environment under low pressure.Certainly, because of the corrosiveness of the concentrated sulfuric acid, compressed air is carried out
When being filled with or extracting air in tank, the design for avoiding the concentrated sulfuric acid from entering aerodynamic force part because of pressure difference is indispensable, meanwhile,
It avoids compressed air or is extracted air together with the concentrated sulfuric acid from the transported valve of concentrated sulfuric acid conveyance conduit or pipeline of connection
It is also in need of consideration for designing, and naturally also known to those skilled in the art, the present invention will be in preferred embodiment design below in detail
It states.
Further, above-mentioned gas power section includes vacuum evacuation device, and the vacuum evacuation device and concentrated sulfuric acid storage tank are logical
The second connection valve connection is crossed, is provided with first on the concentrated sulfuric acid conveyance conduit between the concentrated sulfuric acid storage tank and concentrated sulfuric acid tank car
It is connected to valve；The vacuum evacuation device is used to extract the air in concentrated sulfuric acid storage tank, makes to form low pressure or true in concentrated sulfuric acid storage tank
Altitude, to realize that the concentrated sulfuric acid in concentrated sulfuric acid tank car is conveyed to concentrated sulfuric acid storage tank.
This is to realize that the concentrated sulfuric acid is designed from concentrated sulfuric acid tank car by one of device of pneumatic conveying to concentrated sulfuric acid storage tank,
That is vacuum evacuation device, to form low pressure or vacuum environment；The setting of first valve and the setting of the second valve are true for controlling pumping
Empty and the conveying concentrated sulfuric acid the sequence, prevents the concentrated sulfuric acid to be directly entered vacuum evacuation device from concentrated sulfuric acid tank car: closing the first valve, beat
The second valve is opened, concentrated sulfuric acid storage tank is vacuumized using vacuum evacuation device, to the vacuum degree composite demand of concentrated sulfuric acid storage tank, is closed
Second valve disconnects the connection of vacuum plant and concentrated sulfuric acid storage tank, then opens the first valve, makes the pressure differential concentrated sulfuric acid from dense sulphur
Acid tank truck flows to concentrated sulfuric acid storage tank.Certainly, when carrying out these operations, the connection of concentrated sulfuric acid storage tank Yu other tank bodies is closed.
Further, above-mentioned gas power section further includes air cushion tank and air compressor；The air cushion tank
It connect, is connect through the 5th connection valve with concentrated sulfuric acid storage tank, through the 7th connection valve with air compressor through the 4th connection valve
It is connect with concentrated sulfuric acid surge tank；The 6th company is provided on concentrated sulfuric acid conveyance conduit between concentrated sulfuric acid storage tank and concentrated sulfuric acid surge tank
Concentrated sulfuric acid tank bottom is goed deep into port valve door, one end of the concentrated sulfuric acid conveyance conduit, logical compressed air and concentrated sulfuric acid conveying is isolated
Road, the compressed air for preventing concentrated sulfuric acid storage tank to be charged enter the concentrated sulfuric acid conveyance conduit and enter from concentrated sulfuric acid conveyance conduit dense
Sulfuric acid surge tank；The third connecting valve of connection air is provided on the concentrated sulfuric acid surge tank；Concentrated sulfuric acid surge tank and complex acid
Eight connectivity valve is provided between point；The compression that connection air compressor and air cushion tank are used to generate in air compressor
Air is individually sent to concentrated sulfuric acid storage tank or concentrated sulfuric acid surge tank through air cushion tank, buffers concentrated sulfuric acid storage tank or the concentrated sulfuric acid
Hyperbaric environment is formed in tank, and the concentrated sulfuric acid therein is driven to flow to next node in communication.
It can be seen that concentrated sulfuric acid storage tank and concentrated sulfuric acid surge tank, concentrated sulfuric acid surge tank from above-mentioned design of the invention and match
Aerodynamic force between acid point is the high pressure that compressed air is formed, therefore air compressor and air cushion tank are generated as high pressure
Device makes compressed air respectively enter concentrated sulfuric acid storage tank and concentrated sulfuric acid surge tank.Likewise, the purpose of various valve designs is also
In order to flow the concentrated sulfuric acid only between concentrated sulfuric acid storage tank and concentrated sulfuric acid surge tank, concentrated sulfuric acid surge tank and complex acid point respectively, keep away
Exempt from inflow system other parts, for example concentrated sulfuric acid storage tank is being inflated to form high pressure through air cushion tank using air compressor
When, the 4th coupling cock door connection air compressor and air cushion tank are opened, opens the 5th connection valve to be connected to air cushion
Tank and concentrated sulfuric acid storage tank open the 6th connection valve to be connected to concentrated sulfuric acid storage tank and concentrated sulfuric acid surge tank, open third connecting valve
Door connection concentrated sulfuric acid surge tank and atmospheric environment, to be formed from air cushion tank-concentrated sulfuric acid storage tank gas passage and the concentrated sulfuric acid
For storage tank to the concentrated sulfuric acid carrying path of concentrated sulfuric acid surge tank, third connecting valve opening is caused when the concentrated sulfuric acid enters in order to prevent
It builds the pressure inside concentrated sulfuric acid surge tank；Simultaneously close off the first connection valve, the second connection valve, the 7th connection valve and eight connectivity
Valve prevents the concentrated sulfuric acid from entering；And so on, when use air compressor inflates shape to concentrated sulfuric acid surge tank through air cushion tank
When at high pressure, compared with the above-mentioned state for inflating concentrated sulfuric acid storage tank through air cushion tank using air compressor, need to close
5th connection valve, the 6th connection valve, third connecting valve, open the 7th connection valve, eight connectivity valve.
Further, it is additionally provided with pressure reducing valve between above-mentioned air compressor and air cushion tank, for controlling air
Into the pressure held stationary of air cushion tank；It is provided with liquidometer on the concentrated sulfuric acid surge tank, it is slow for monitoring the concentrated sulfuric acid
Rush the concentrated sulfuric acid liquid level in tank.
It is also further, concentrated sulfuric acid pressure of storage tank table is provided on above-mentioned concentrated sulfuric acid storage tank, for monitoring concentrated sulfuric acid storage tank
Interior pressure；It is provided with safety valve on the air cushion tank, the air for being discharged in air cushion tank in due course.
Also further, the concentrated sulfuric acid conveyance conduit between above-mentioned concentrated sulfuric acid tank car and concentrated sulfuric acid storage tank protrudes into concentrated sulfuric acid storage
The bottom of tank, the bottom of the concentrated sulfuric acid storage tank are provided with buffer unit, and the buffer unit is that upper coarse and lower fine cone connects
It is managed, to reduce impact of the concentrated sulfuric acid to concentrated sulfuric acid tank bottom.
Also further, above-mentioned liquid level is calculated as radar level gauge, double flange liquid level meters, float level meter, magnetic turning plate liquid level
Meter, any one in glass plate liquidometer.
It is also further, sequentially connected concentrated sulfuric acid tank car, concentrated sulfuric acid storage tank, concentrated sulfuric acid surge tank to complex acid in the present invention
Process pipe between point uses carbon steel material with lining or titanium alloy material, and the lining of carbon steel uses polytetrafluoroethylene (PTFE) or carbon
Fiber.
Also further, above-mentioned concentrated sulfuric acid storage tank material is carbon steel, PVDF, HDPE material or lining teflon/carbon fiber
The glass steel material of dimension.
Also further, above-mentioned concentrated sulfuric acid storage tank is placed on underground and in outer wall around heat tracing coil pipe, prevents the concentrated sulfuric acid low
Temperature crystallization influences conveying and uses.
Advanced point of the invention is:
1) present invention avoids making for the concentrated sulfuric acids such as pump corrosion part using negative pressure and/or the positive pressure driving conveying concentrated sulfuric acid
With, therefore concentrated sulfuric acid medium does not contact pump in entire transportation system, avoids pump from corroding, system safety and environmental protection, small investment can
By property height
2) positive pressure of the invention conveying realizes the accurate conveying of gravity flow using the modes such as intermediate buffer tank and liquidometer are added.
3) the entire technique that concentrated sulfuric acid conveying may be implemented in the present invention carries out in Sealing Arrangement, and the concentrated sulfuric acid is avoided to leak
The generation of accident.
Detailed description of the invention
From the detailed description with reference to the accompanying drawing to the embodiment of the present invention, these and/or other aspects of the invention and
Advantage will become clearer and be easier to understand, in which:
Fig. 1 is concentrated sulfuric acid pneumatic conveying system apparatus structure of the present invention and process flow diagram；
Wherein: wherein: 1- concentrated sulfuric acid storage tank, 2- concentrated sulfuric acid surge tank, 3- air cushion tank, 4- air cushion pressure tank
Table, 5- vacuum evacuation device, 6- air compressor, 7- liquidometer, 8- concentrated sulfuric acid tank car, 9- concentrated sulfuric acid pressure of storage tank table, 10~17-
First connection valve~eight connectivity valve, 19- safety valve, 20- pressure reducing valve.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, with reference to the accompanying drawings and detailed description to this hair
It is bright to be described in further detail.
Embodiment 1
A kind of concentrated sulfuric acid air-transport system, structure is as shown in Figure 1, include being sequentially communicated by concentrated sulfuric acid conveyance conduit
Concentrated sulfuric acid tank car 8, concentrated sulfuric acid storage tank 1 and concentrated sulfuric acid surge tank 2, further include vacuum plant 5, air cushion tank 3 and air pressure
Contracting machine 6；Specific function and connection relationship are as follows: concentrated sulfuric acid tank car 8 is filled for transporting the concentrated sulfuric acid and conveying into concentrated sulfuric acid storage tank 1
The concentrated sulfuric acid of fortune is provided with first on the concentrated sulfuric acid conveyance conduit between concentrated sulfuric acid storage tank 1 and concentrated sulfuric acid tank car 8 and is connected to valve
10；Concentrated sulfuric acid storage tank 1 is used to for the concentrated sulfuric acid of storage to be delivered to concentrated sulfuric acid surge tank 2, concentrated sulfuric acid storage tank 1 and concentrated sulfuric acid surge tank
The 6th connection valve 15 is provided on concentrated sulfuric acid conveyance conduit between 2, the concentrated sulfuric acid is protruded into one end of the concentrated sulfuric acid conveyance conduit
1 bottom of storage tank；Concentrated sulfuric acid surge tank 2 connects complex acid point by eight connectivity valve 17, for carry out the conveying of concentrated sulfuric acid storage tank 1
The concentrated sulfuric acid is delivered to complex acid point；Vacuum evacuation device 5 is connect with concentrated sulfuric acid storage tank 1 by the second connection valve 11, dense for extracting
Air in sulfuric acid storage tank 1 makes to form low pressure or vacuum environment in concentrated sulfuric acid storage tank 1, to realize dense in concentrated sulfuric acid tank car 8
Sulfuric acid is conveyed to concentrated sulfuric acid storage tank 1, i.e. the negative pressure transportation concentrated sulfuric acid；Air cushion tank 3 is compressed through the 4th connection valve 13 and air
Machine 6 connects, and connect through the 5th connection valve 14 with concentrated sulfuric acid storage tank 1, connects through the 6th connection valve 15 and concentrated sulfuric acid surge tank 2
It connects, the third connecting valve 12 of connection air is provided on concentrated sulfuric acid surge tank 2, it can be seen that the purpose of this design is air
The compressed air that compressor 6 generates individually is sent to concentrated sulfuric acid storage tank 1 and concentrated sulfuric acid surge tank 2 through air cushion tank 3, makes dense
Hyperbaric environment is formed in sulfuric acid storage tank 1 or concentrated sulfuric acid surge tank 2, drives the concentrated sulfuric acid therein to next node stream in communication
Dynamic, i.e., positive pressure drives the concentrated sulfuric acid to be delivered to concentrated sulfuric acid surge tank 2 from concentrated sulfuric acid storage tank 1 respectively, is delivered to from concentrated sulfuric acid surge tank 2
Complex acid point.
In order to realize that the concentrated sulfuric acid conveys more accurate, more stablely, the present invention is preferably in air compressor 6 and air cushion tank
Pressure reducing valve 20 is set between 3, the pressure held stationary of air cushion tank 3 is entered for controlling air；On concentrated sulfuric acid surge tank 2
It is provided with liquidometer 7, for monitoring the concentrated sulfuric acid liquid level in concentrated sulfuric acid surge tank 2；The concentrated sulfuric acid is arranged on concentrated sulfuric acid storage tank 1 to store up
Pressure tank table 9, for monitoring the pressure in concentrated sulfuric acid storage tank 1, the first connection valve that real-time control is connect with concentrated sulfuric acid storage tank 1
The open and close for being connected to valve with second；Safety valve 19 is provided on air cushion tank 3, for air cushion tank to be discharged in due course
Residual air in 3.Liquidometer 7 is radar level gauge, double flange liquid level meters, float level meter, magnetic double level gauge, glass plate
Any one in liquidometer.
Because the medium that the present invention conveys is the concentrated sulfuric acid, there is extremely strong corrosivity and be easy to cause security risk, therefore is right
Preferred design, such as preferred design concentrated sulfuric acid tank car 8 and dense sulphur have been carried out in terms of concentrated sulfuric acid storage tank, connecting pipe, tank body material
Concentrated sulfuric acid conveyance conduit between acid storage tank 1 protrudes into the bottom of concentrated sulfuric acid storage tank 1, and the bottom of concentrated sulfuric acid storage tank 1 is provided with buffering
Device, buffer unit is upper coarse and lower fine conical adopter, to reduce impact of the concentrated sulfuric acid to 1 bottom of concentrated sulfuric acid storage tank；According to
Concentrated sulfuric acid tank car 8, concentrated sulfuric acid storage tank 1, the concentrated sulfuric acid surge tank 2 to the concentrated sulfuric acid conveyance conduit between complex acid point of secondary connection use
The lining of carbon steel material with lining or titanium alloy material, carbon steel uses polytetrafluoroethylene (PTFE) or carbon fiber；1 material of concentrated sulfuric acid storage tank
For carbon steel, PVDF, HDPE material or lining teflon/carbon fiber glass steel material；The characteristic of the concentrated sulfuric acid is considered simultaneously,
Design concentrated sulfuric acid storage tank 1 is placed on underground and in outer wall around heat tracing coil pipe, prevents concentrated sulfuric acid low temperature crystallization from influencing conveying and making
With.
Embodiment 2
A kind of concentrated sulfuric acid pneumatic conveying process, it uses concentrated sulfuric acid air-transport system described in embodiment 1, including following
Process: default initial state is that all connection valves are in off state；
(1) sulfuric acid negative pressure inject 1 technique of concentrated sulfuric acid storage tank: open second connection valve 11, connection concentrated sulfuric acid storage tank 1 with
Vacuum evacuation device 5 opens vacuum evacuation device 5, and concentrated sulfuric acid storage tank 1 is evacuated to vacuum state, closes the second connection valve 11, cutting
The connection of concentrated sulfuric acid storage tank 1 and vacuum evacuation device 5, the import of connection concentrated sulfuric acid tank car 8 to concentrated sulfuric acid storage tank 1 are opened first and are connected
Port valve door 10, the concentrated sulfuric acid are automatically injected concentrated sulfuric acid storage tank 1 from tank car 8；
(2) concentrated sulfuric acid is conveyed from concentrated sulfuric acid storage tank 1 to the positive pressure of concentrated sulfuric acid surge tank 2: being opened third connecting valve 12, is protected
Hold the concentrated sulfuric acid emptying process it is unimpeded, open the 4th connection valve 13, be arranged pressure reducing valve 20 pressure, connection air compressor 6 with
Air cushion tank 3 opens the 6th connection valve 15, connection concentrated sulfuric acid storage tank 1 and concentrated sulfuric acid surge tank 2, opens the 5th communicating valve
Door 14, connection concentrated sulfuric acid storage tank 1 and air cushion tank 3, start air compressor 6, and compressed air is gone out by air compressor 6
Mouth flows through pressure reducing valve 20 and is connected to valve 13 with the 4th, into air cushion tank 3, gives the concentrated sulfuric acid to store up subsequently into concentrated sulfuric acid storage tank 1
1 pressurising of tank, the concentrated sulfuric acid enters concentrated sulfuric acid surge tank 2 from concentrated sulfuric acid storage tank 1 under the driving of air pressure, by observing dense sulphur
The liquidometer 7 of acid buffering tank 2 is observed the concentrated sulfuric acid and is filled to required liquid level；It is then shut off the 5th connection valve 14, closes the 6th company
Port valve door 15, the connection of cutting air cushion tank 3 and concentrated sulfuric acid storage tank 1 and air cushion tank 3 and concentrated sulfuric acid surge tank 2 connect
It is logical, simultaneously close off third connecting valve 12；
(3) concentrated sulfuric acid is from concentrated sulfuric acid surge tank 2 to the conveying of concentrated sulfuric acid complex acid point: opening eight connectivity valve 17, connection
Concentrated sulfuric acid surge tank 2 and complex acid point open the 7th connection valve 16, connection air cushion tank 3 and concentrated sulfuric acid surge tank 2, dense sulphur
Acid slowly flows to complex acid point under the driving of air pressure, and the liquid level by controlling surge tank achievees the purpose that accurate complex acid.
As can be seen that the sulfuric acid negative pressure injection technology in above-mentioned process (1), realizes dense sulphur using the negative pressure mode of gravity flow
Acid is from concentrated sulfuric acid tank car 8 to the conveying of concentrated sulfuric acid storage tank 1；Concentrated sulfuric acid positive pressure conveying technique described in process (2) and (3) uses
The mode of intermediate buffer tank and liquidometer is added, realizes the accurate conveying of gravity flow.Entire technique carries out in Sealing Arrangement, avoids
The concentrated sulfuric acid leaks the generation of accident, and concentrated sulfuric acid medium does not contact pump, and pump is avoided to corrode, the environmental protection of this process safety,
Small investment, high reliablity.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.Therefore, protection scope of the present invention is answered
This is subject to the protection scope in claims.
Claims (10)
1. a kind of concentrated sulfuric acid air-transport system, which is characterized in that it includes sequentially connected dense by concentrated sulfuric acid conveyance conduit
Vitriol tank-car (8), concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2), further include aerodynamic force part；
The concentrated sulfuric acid that the concentrated sulfuric acid tank car (8) is used to transport the concentrated sulfuric acid and conveying ships into concentrated sulfuric acid storage tank (1)；
The concentrated sulfuric acid storage tank (1) is used to the concentrated sulfuric acid of storage being delivered to concentrated sulfuric acid surge tank (2)；
The concentrated sulfuric acid surge tank (2) is connected to complex acid point, and the concentrated sulfuric acid for carrying out concentrated sulfuric acid storage tank (1) conveying, which is delivered to, matches
Sour point；
The aerodynamic force part for providing environment under low pressure and/or hyperbaric environment, the driving concentrated sulfuric acid from concentrated sulfuric acid tank car (8) to
Concentrated sulfuric acid storage tank (1), from concentrated sulfuric acid storage tank (1) to concentrated sulfuric acid surge tank (2), from concentrated sulfuric acid surge tank (2) to the stream of complex acid point
It is dynamic.
2. concentrated sulfuric acid air-transport system as described in claim 1, which is characterized in that the aerodynamic force part includes taking out very
Empty device (5), the vacuum evacuation device (5) are connect with concentrated sulfuric acid storage tank (1) by the second connection valve (11), the concentrated sulfuric acid
It is provided with first on concentrated sulfuric acid conveyance conduit between storage tank (1) and concentrated sulfuric acid tank car (8) and is connected to valve (10)；
The vacuum evacuation device (5) is used to extract the air in concentrated sulfuric acid storage tank (1), makes to form low pressure in concentrated sulfuric acid storage tank (1)
Or vacuum environment, to realize that the concentrated sulfuric acid in concentrated sulfuric acid tank car (8) is conveyed to concentrated sulfuric acid storage tank (1).
3. concentrated sulfuric acid air-transport system as claimed in claim 1 or 2, which is characterized in that also wrap the aerodynamic force part
Include air cushion tank (3) and air compressor (6)；
The air cushion tank (3) connect through the 4th connection valve (13) with air compressor (6), through the 5th connection valve (14)
It connect with concentrated sulfuric acid storage tank (1), is connect through the 7th connection valve (16) with concentrated sulfuric acid surge tank (2)；
The 6th, which is provided with, on concentrated sulfuric acid conveyance conduit between concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2) is connected to valve
(15), one end of the concentrated sulfuric acid conveyance conduit extends to concentrated sulfuric acid storage tank (1) bottom, to avoid being filled in concentrated sulfuric acid storage tank (1)
Compressed air enter concentrated sulfuric acid conveyance conduit；
The third connecting valve (12) of connection air is provided on the concentrated sulfuric acid surge tank (2)；Concentrated sulfuric acid surge tank (2) with match
Eight connectivity valve (17) are provided between acid point；
The compressed air that connection air compressor (6) and air cushion tank (3) are used to generate air compressor (6) is slow through air
It rushes tank (3) and is individually sent to concentrated sulfuric acid storage tank (1) and concentrated sulfuric acid surge tank (2), buffer concentrated sulfuric acid storage tank (1) or the concentrated sulfuric acid
Hyperbaric environment is formed in tank (2), and the concentrated sulfuric acid therein is driven to flow to next node in communication.
4. concentrated sulfuric acid air-transport system as claimed in claim 3, which is characterized in that the air compressor (6) and air
It is additionally provided with pressure reducing valve (20) between surge tank (3), the pressure held stationary of air cushion tank (3) is entered for controlling air；
Liquidometer (7) are provided on the concentrated sulfuric acid surge tank (2), for monitoring the concentrated sulfuric acid solution in concentrated sulfuric acid surge tank (2)
Position.
5. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that be arranged on the concentrated sulfuric acid storage tank (1)
There is concentrated sulfuric acid pressure of storage tank table (9), for monitoring the pressure in concentrated sulfuric acid storage tank (1)；
Safety valve (19) are provided on the air cushion tank (3), the air for being discharged in air cushion tank (3) in due course.
6. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that the concentrated sulfuric acid tank car (8) and dense sulphur
Connecting pipe between acid storage tank (1) protrudes into the bottom of concentrated sulfuric acid storage tank (1), and the bottom of the concentrated sulfuric acid storage tank (1) is provided with
Buffer unit, the buffer unit is upper coarse and lower fine conical adopter, to reduce the concentrated sulfuric acid to concentrated sulfuric acid storage tank (1) bottom
Impact.
7. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that the liquidometer (7) is radar level
Any one in meter, double flange liquid level meters, float level meter, magnetic double level gauge, glass plate liquidometer.
8. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that sequentially connected concentrated sulfuric acid tank car (8),
Concentrated sulfuric acid storage tank (1), concentrated sulfuric acid surge tank (2) to the concentrated sulfuric acid conveyance conduit between complex acid point using carbon steel material with lining or
The lining of person's titanium alloy material, carbon steel uses polytetrafluoroethylene (PTFE) or carbon fiber.
9. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that concentrated sulfuric acid storage tank (1) material be carbon steel,
PVDF, HDPE material or lining teflon/carbon fiber glass steel material.
10. concentrated sulfuric acid air-transport system as claimed in claim 4, which is characterized in that concentrated sulfuric acid storage tank (1) is placed on underground
And prevent concentrated sulfuric acid low temperature crystallization from influencing conveying and using around heat tracing coil pipe in outer wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475008.6A CN110159925B (en) | 2019-06-03 | 2019-06-03 | Concentrated sulfuric acid pneumatic conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475008.6A CN110159925B (en) | 2019-06-03 | 2019-06-03 | Concentrated sulfuric acid pneumatic conveying system |
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| CN110159925A true CN110159925A (en) | 2019-08-23 |
| CN110159925B CN110159925B (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918148A (en) * | 2019-11-15 | 2020-03-27 | 唐山三友化工股份有限公司 | Safe concentrated acid control device |
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| CN110918148A (en) * | 2019-11-15 | 2020-03-27 | 唐山三友化工股份有限公司 | Safe concentrated acid control device |
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| CN110159925B (en) | 2021-02-12 |
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