CN205874318U - Naphtha anti -corrosion treatment system - Google Patents
Naphtha anti -corrosion treatment system Download PDFInfo
- Publication number
- CN205874318U CN205874318U CN201620757933.XU CN201620757933U CN205874318U CN 205874318 U CN205874318 U CN 205874318U CN 201620757933 U CN201620757933 U CN 201620757933U CN 205874318 U CN205874318 U CN 205874318U
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- Prior art keywords
- oil
- anticorrosion
- tank
- cooler
- gas
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Abstract
The utility model discloses an include hydrogenated apparatus, hydrogenated unit, air distillation tower, product jar in advance, air distillation tata top is connected with an oil and gas processing apparatus and oil and gas cooler, the side line is connected with an anticorrosion cooler, reconnection in the air distillation tower the product jar. Oil and gas processing apparatus includes first anticorrosion jar and second anticorrosion jar, be equipped with the first cold oil pipe and the cold oil pipe of second of installation filter screen in the anticorrosion cooler. The utility model discloses the advantage mainly lies in: the acidic material that can get rid of among the oil and gas avoids the oil and gas cooler to receive spot corrosion or pitting corrosion, can get rid of the ammonia salt in the oil, prevent that the deposit from causing the jam, prevent that electrochemical corrosion from aggravating.
Description
Technical field
This utility model relates to Petroleum processing technology field, produces equipment anticorrosion in particular to a kind of Petroleum
Technology.
Background technology
In Petroleum production process, have pre-hydrotreating operation.Petroleum typically can contain Nitrogen ion and chloride ion, adds
Can produce ammonia and hydrogen chloride after hydrogen reaction, both meetings produce ammonia salt.Ammonia and hydrogen chloride together can be discharged with oil and gas, in oil and gas
When reaching dew point in cooler, a large amount of hydrogen chloride are dissolved in a small amount of water, cause high concentration acid solution, produce oil and gas cooler
Spot corrosion or pitting corrosion.And ammonia salt drops to 180 ~ 215 DEG C in temperature and deposition can be occurred in equipment to cause electrochemical corrosion to be accelerated.
Therefore to oil and gas cooling and oil product cooling device seriously corroded problem, studying new countermeasure is that corrective maintenance is inevitable
Trend.
Utility model content
This utility model aims to provide a kind of Petroleum anti-corrosion treatment system, with solve oil and gas cooler etching problem and
Oil product cooler etching problem.
A kind of Petroleum anti-corrosion treatment system, including pre-hydrogenation plant, atmospheric distillation tower, products pot, described normal pressure steams
Evaporating column overhead connection and have an oil and gas processing means and oil and gas cooler, in described atmospheric distillation tower, side line connects has an anticorrosion cold
But device, reconnects described products pot.
Further, described oil and gas processing means includes the first anticorrosion tank and the second anticorrosion tank, described first anticorrosion
Erosion tank top connects circular first shower, and described first shower connects a corrosion inhibiter tank by the first water pipe, and described the
One anticorrosion tank bottom is provided with the first filler, is provided with the first oil and gas outlet below described first filler.
Further, described second anticorrosion tank is connected in the middle part of described first anticorrosion tank by middle part oil and gas pipe, and
Being positioned at above described first filler, described second anticorrosion tank top connects circular second shower, described second shower
Connecting described corrosion inhibiter tank by the second water pipe, described second anticorrosion tank bottom is provided with the second filler, under described second filler
Side is provided with the second oil and gas outlet.
Further, described anticorrosion cooler is provided with cooling water inlet and hot water outlet, the one of described anticorrosion cooler
End is provided with hot oil inlet and cold oil import, and described hot oil inlet connects an oil-feed chamber, and described oil-feed chamber connects the first cooling
Oil pipe, described first oil cooling service pipe is connected by a connection chamber the second oil cooling service pipe, the described second oil cooling service pipe other end
Connect and have outlet chamber, and connection cold oil outlet, it is respectively mounted filter screen in described first oil cooling service pipe and the second oil cooling service pipe.
Further, described filter screen is cylindrically.
Further, the serpentine-like shape of described filter screen.
Further, the space between the shell of described first oil cooling service pipe and described anticorrosion cooler is the first cold water
Passage, the space between the shell of described second oil cooling service pipe and described anticorrosion cooler is the second cold water channel, described
With a barrier partitions leaving opening between one cold water channel and described second cold water channel, described opening is near connection chamber
One end.It is provided with helical form deflector in described first cold water channel and the second cold water channel.
The utility model has the advantage of: be provided with the first anticorrosion tank and the second anticorrosion tank of series connection, it is ensured that corrosion inhibiter
Fully removing the hydrogen chloride in oil and gas, it is to avoid enter in oil and gas cooler, corrosion inhibiter can slow down acid solution to equipment corruption simultaneously
Erosion；It is provided with anticorrosion cooler and can filter off the ammonia salt being deposited in filter screen, need cleaning when filter screen accumulates a certain amount of ammonia salt
Time, directly extract screen replacing out and clean, convenient and swift；It is provided with deflector and can guarantee that cooling effect.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of this utility model oil and gas processing means；
Fig. 3 is the structural representation of this utility model anticorrosion cooler；
Fig. 4 is filter screen bottom schematic diagram；
Fig. 5 is snakelike filter structure schematic diagram in embodiment 2 first cold oil pipe and the second cold oil pipe.
Detailed description of the invention
In order to equipment be caused the problem of corrosion, this utility model after solving pre-hydrotreating when oil and gas and oil product cooling
A kind of Petroleum anti-corrosion treatment system is provided.
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Describe, it is clear that described is only a part of embodiment of this utility model rather than whole embodiments.Based on this practicality
Embodiment in novel, it is every other that those of ordinary skill in the art are obtained on the premise of not making creative work
Embodiment, broadly falls into the scope of this utility model protection.
Embodiment one:
As Figure 1-4, a kind of Petroleum anti-corrosion treatment system, including pre-hydrogenation plant 1, atmospheric distillation tower 2, product
Tank 6, described atmospheric distillation tower 2 tower top connects an oil and gas processing means 3 and oil and gas cooler 4, side in described atmospheric distillation tower 2
Line connects an anticorrosion cooler 5, reconnects described products pot 6.
Described oil and gas processing means 3 includes the first anticorrosion tank 31 and the second anticorrosion tank 32, described first anticorrosion tank
31 tops connect circular first shower 311, and described first shower 311 connects a corrosion inhibiter tank, institute by the first water pipe
State the first anticorrosion tank 31 bottom and be provided with the first filler 312, below described first filler 312, be provided with the first oil and gas outlet.
Described second anticorrosion tank 32 is connected in the middle part of described first anticorrosion tank 311 by middle part oil and gas pipe 33, and position
Above described first filler 312, described second circular second shower 322 of anticorrosion tank 32 top connection, described second
Shower 322 connects described corrosion inhibiter tank by the second water pipe, and described second anticorrosion tank 32 bottom is provided with the second filler 321,
The second oil and gas outlet it is provided with below described second filler 321.
Described anticorrosion cooler 5 is provided with cooling water inlet 59 and hot water outlet 53, and one end of described anticorrosion cooler 5 sets
Having hot oil inlet 51 and cold oil outlet 512, described hot oil inlet 51 connects an oil-feed chamber 52, and described oil-feed chamber 52 connects the
One oil cooling service pipe 55, described first oil cooling service pipe 55 is connected by a connection chamber 56 the second oil cooling service pipe 57, and described second
Oil cooling service pipe 57 other end connects outlet chamber 511, and connection cold oil outlet 512, described first oil cooling service pipe 55 and second
It is respectively mounted filter screen in oil cooling service pipe 57.
Described filter screen is cylindrically.
Space between described first oil cooling service pipe 55 and the shell of described anticorrosion cooler is the first cold water channel, institute
Stating the space between the second oil cooling service pipe and described anticorrosion cooler is the second cold water channel, described first cold water channel and institute
Stating and separate with a baffle plate 58 leaving opening between the second cold water channel, described opening is in the one end near connection chamber 56.Institute
It is provided with helical form deflector 54 in stating the first cold water channel and the second cold water channel.
The operation principle of the present embodiment is as follows: after pre-hydrogenation, enters first from atmospheric distillation tower 2 tower top oil and gas out and prevents
In corrosion tank 31, oil and gas is sprayed by the inhibiting solution of the first shower 311, impurity is sprayed in the first filler 312, oil and gas
Discharge from the first oil and gas outlet through the first filler 312, can be because of oil and gas above first filler 312 in other first anticorrosion tank 31
Can not export to discharge through the first filler 312 and the first oil and gas in time and oil and gas accumulation occurs, this part oil and gas of accumulation can be led to
In the middle part of crossing, oil and gas pipe 33 enters the second anticorrosion tank 32, with reference to the mode of operation of the first anticorrosion tank 31, processes oil and gas,
The oil and gas exported through the first oil and gas outlet and the second oil and gas has removed acidic materials, enters back into oil and gas condenser 4；Steam from normal pressure
Evaporate side line oil product out in tower 2 and enter oil-feed chamber 52 from hot oil inlet 51, enter the first oil cooling service pipe being provided with filter screen
55, oil product filter screen from the first oil cooling service pipe 5 flows out, and flows in the second oil cooling service pipe 57 through connection chamber 56, cold from second
But the filter screen in oil pipe 57 flows out, and exports 512 discharge anticorrosion coolers 5 through outlet chamber 511 and cold oil, and the salt of precipitation can quilt
Strainer filtering is stayed in filter screen, can be taken off screen replacing and cleans.
When anticorrosion cooler 5 works, cold water enters through deflector 54 water conservancy diversion around the second cooling oil from cooling water inlet 59
Pipe 57 helical flow, through the opening of baffle plate 58 around the first oil cooling service pipe 55 helical flow, finally flows out from hot water outlet 53,
Completing the cooling to deep fat, oil product, after supercooling is desalted, enters product storage tank.
Embodiment two:
Structure and operation principle with reference to embodiment one.As it is shown in figure 5, the serpentine-like shape of described filter screen, using the teaching of the invention it is possible to provide as far as possible
Many area filter deposition salt, extends the screen replacing cycle.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should regard
For belonging to protection domain of the present utility model.
Claims (7)
1. a Petroleum anti-corrosion treatment system, it is characterised in that include pre-hydrogenation plant, atmospheric distillation tower, products pot, institute
Stating the connection of air-distillation column overhead and have an oil and gas processing means and oil and gas cooler, in described atmospheric distillation tower, side line connects one
Anticorrosion cooler, reconnects described products pot.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that described oil and gas processing means bag
Including the first anticorrosion tank and the second anticorrosion tank, described first anticorrosion tank top connects circular first shower, and described the
One shower connects a corrosion inhibiter tank by the first water pipe, and described first anticorrosion tank bottom is provided with the first filler, and described first
The first oil and gas outlet it is provided with below filler.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that described second anticorrosion tank leads to
In the middle part of crossing, oil and gas pipe is connected in the middle part of described first anticorrosion tank, and is positioned at above described first filler, described second anticorrosion
Tank top connects circular second shower, and described second shower connects described corrosion inhibiter tank by the second water pipe, and described the
Two anticorrosion tank bottoms are provided with the second filler, are provided with the second oil and gas outlet below described second filler.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that described anticorrosion cooler sets
Having cooling water inlet and hot water outlet, one end of described anticorrosion cooler to be provided with hot oil inlet and cold oil import, described deep fat enters
Mouth connects an oil-feed chamber, and described oil-feed chamber connects the first oil cooling service pipe, and described first oil cooling service pipe is by a connection chamber
Connecting and have the second oil cooling service pipe, the described second oil cooling service pipe other end connects outlet chamber, and connection cold oil outlet, and described the
It is respectively mounted filter screen in one oil cooling service pipe and the second oil cooling service pipe.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that described filter screen is cylindrically.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that the serpentine-like shape of described filter screen.
A kind of Petroleum anti-corrosion treatment system, it is characterised in that described first oil cooling service pipe with
Space between the shell of described anticorrosion cooler is the first cold water channel, and described second oil cooling service pipe is cold with described anticorrosion
But the space between the shell of device is the second cold water channel, with one between described first cold water channel and described second cold water channel
Leaving the barrier partitions of opening, described opening is in the one end near connection chamber.Described first cold water channel and the second cold water lead to
Helical form deflector it is provided with in road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757933.XU CN205874318U (en) | 2016-07-15 | 2016-07-15 | Naphtha anti -corrosion treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620757933.XU CN205874318U (en) | 2016-07-15 | 2016-07-15 | Naphtha anti -corrosion treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205874318U true CN205874318U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620757933.XU Active CN205874318U (en) | 2016-07-15 | 2016-07-15 | Naphtha anti -corrosion treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135809A (en) * | 2018-08-06 | 2019-01-04 | 武汉金中石化工程有限公司 | A kind of naphtha deaerating type of cycles and deoxidation method |
-
2016
- 2016-07-15 CN CN201620757933.XU patent/CN205874318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135809A (en) * | 2018-08-06 | 2019-01-04 | 武汉金中石化工程有限公司 | A kind of naphtha deaerating type of cycles and deoxidation method |
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