CN207451621U - A kind of pre- concentration unit of sour gas - Google Patents
A kind of pre- concentration unit of sour gas Download PDFInfo
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- CN207451621U CN207451621U CN201721407849.6U CN201721407849U CN207451621U CN 207451621 U CN207451621 U CN 207451621U CN 201721407849 U CN201721407849 U CN 201721407849U CN 207451621 U CN207451621 U CN 207451621U
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Abstract
The utility model is related to a kind of pre- concentration unit of sour gas, including concentrate unit and hot recycling unit；Concentrate unit carries out concentrate operation to receive the sulfur-rich absorbent of upstream, including flash column and stripping tower, hot recycling unit, to receive the regeneration that the sulfur-rich absorbent after pre- concentrate cell processing carries out absorbent, including hot recycling tower；The entrance of the flash column connects pending sulfur-rich absorbent conveyance conduit, the entrance of the liquid-phase outlet connection stripping tower of the flash column by heat exchanger, and the liquid-phase outlet of the stripping tower connects the hot recycling unit；Concentrate unit is provided with before hot recycling unit and heat-exchanger rig is set before concentrate unit, sulfur-rich absorbent is after heating, successively pass through the flash column and stripping tower of concentrate unit again, the carbon dioxide in sulfur-rich absorbent can be caused further to desorb, so as to significantly improve H therein2The concentration of S, and then desorbed by hot recycling unit containing high H2Crouse's gas of S concentration.
Description
Technical field
The utility model is related to chemical plant installations more particularly to a kind of pre- concentration units of sour gas.
Background technology
Purified synthesis gas is mainly used for removing the H in crude synthesis gas2S、COS、CO2, meet the net of technological requirement so as to produce
Change gas.Common purified synthesis gas technique is generally divided into Re Fa and cold process according to the difference for absorbing temperature in industry.In hot method with
Selexol techniques and MDEA techniques are the most famous, and cold process is then using low-temp methanol washing process as representative.Low-temp methanol washing process is 50
A kind of purified synthesis gas technique developed jointly at the beginning of age by German Linde Co and Lucci corporation.The technique is using methanol as absorption
Solvent using methanol at low temperature to the great good characteristic of sour gas solubility, is removed using Physical Absorption in unstripped gas
Sour gas.
The above method is also lacked to H in outlet sour gas at present2The Effective Regulation means of S concentration.In production operation, no
Same sulfur recovery technology is to H in sour gas2The concentration of S has different requirements.As H in sour gas2When S concentration is relatively low, sulfur recovery dress
It puts and will be unable to long-term normal operation.It is to increase by the way of by partially acidic gas recycled back up-stream system in the prior art
H in sour gas2S concentration, however for the built purified synthesis gas device in part, it is limited to its flow setting, entrance synthesis
The factors such as gas sulfur content fluctuation improve H in sour gas by increasing sour gas internal circulating load2Additional increased investment needed for S concentration,
Energy consumption is higher, and economy is bad.
Utility model content
Technical problem to be solved in the utility model is the present situation for the prior art, and providing one kind, low energy consumption, and
H in system outlet sour gas can be significantly improved2The concentration of S, convenient for adjusting H2The sour gas concentration unit of S concentration.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of pre- concentration unit of sour gas,
Including concentrate unit and hot recycling unit；
Concentrate unit carries out concentrate operation to receive the sulfur-rich absorbent of upstream, described including flash column and stripping tower
The entrance of flash column connects the first inlet pipe of pending sulfur-rich absorbent by First Heat Exchanger, and the flash column is equipped with the
One gaseous phase outlet；The entrance of the liquid-phase outlet connection stripping tower of the flash column；
The lower part connection gas stripping gas conveyance conduit of the stripping tower, the top of the stripping tower are equipped with the second gaseous phase outlet,
The liquid-phase outlet of the stripping tower connects the hot recycling unit；
Hot recycling unit, to receive the regeneration that the sulfur-rich absorbent after pre- concentrate cell processing carries out absorbent, including
Hot recycling tower and the second heat exchanger, the hot recycling tower include the I sections set above and below and II sections of two parts, hot recycling tower I
The top of section is connected with the liquid-phase outlet of above-mentioned stripping tower by the second inlet pipe, and second inlet pipe is equipped with described the
Two heat exchangers, the lower part of I sections of the hot recycling tower, which is connected with, exports the first outlet tube of lean absorbent road, under II sections of the hot recycling tower
Provided with the reboiler of hot recycling heat, the bottom of II sections of the hot recycling tower is connected with conveying aqueous solutions of absorbent in portion
The second outlet tube road.
Concentrate unit is provided with before hot recycling unit and First Heat Exchanger is set before concentrate unit, it is sulfur-rich
Absorbent carries out flash distillation using flash column and stripping tower carries out air lift, can cause it after heating up by First Heat Exchanger
In the gases such as carbon dioxide further desorbed from solution, so as to significantly improve H therein2The concentration of S, then passes through again
It crosses and hot recycling tower top is imported after the second heat exchanger further heats up, so as to desorb containing high H2Crouse's gas of S concentration；
Wherein described first outlet pipe is equipped with control valve, can be used for adjusting the flashing pressure in flash column, carry out different degrees of
Flash distillation concentrate so that Crouse's gas that sulfur-rich absorbent generates various concentration after hot recycling meets downstream sulfur recovery
The requirement of workshop section.
As an improvement, first inlet pipe can connect the tube side of the First Heat Exchanger, second inlet tube
Road connects the tube side of second heat exchanger, and correspondingly, the first outlet tube road is sequentially connected second heat exchanger and the
The shell side of one heat exchanger.It is contemplated that first inlet pipe connects the shell side of the First Heat Exchanger, second feed liquor
Pipeline connects the shell side of second heat exchanger, correspondingly, the first outlet tube road be sequentially connected second heat exchanger and
The tube side of First Heat Exchanger；Or the second heat exchanger described in the difference interconnection of the first outlet tube road and First Heat Exchanger
Tube side or shell side can also reach same heat exchange purpose.In addition, sulfur-rich absorbent is exchanged heat respectively by First Heat Exchanger and second
Device is effectively exchanged heat with the lean absorbent from hot recycling tower, realizes efficiently using for energy, reduces production cost.
It is further improved, the first bypass, the two-port point of first bypass can be equipped in first inlet pipe
Not Wei Yu the First Heat Exchanger upstream and downstream, it is described first bypass be equipped with the first valve；In second inlet pipe
The second bypass can be equipped with, the two-port of second bypass is located at the upstream and downstream of second heat exchanger, and described
Second bypass is equipped with the second valve.The first bypass is equipped in the first inlet pipe, and the first valve, energy are equipped in the first bypass
The temperature for the sulfur-rich absorbent for entering flash column is enough efficiently controlled, carries out different degrees of flash distillation concentrate, so that its
Crouse's gas that various concentration is generated after hot recycling meets the requirement of downstream sulfur recovery workshop section；It is set in the second inlet pipe
There are the second bypass and the second bypass to be equipped with the second valve, the sulfur-rich absorbent for entering hot recycling tower can be efficiently controlled
Temperature, carry out different degrees of preheating, realize the efficient utilization of energy.
As an improvement, the flash column and the stripping tower share same tower body, it is separated by between the two using the first end socket
From, and the flash column is located at the top of the stripping tower；The liquid-phase outlet of the flash column and the entrance of stripping tower pass through
Exterior line connects, and the liquid-phase outlet of the stripping tower connects the entrance of the hot recycling tower by first circulation pump.Sulfur-rich suction
It receives under steam pressure effect of the agent after flash distillation process in self gravitation and flash column, stripping tower is flowed by exterior line,
After stripping is handled, hot recycling tower is imported after the pressurization that liquid phase is pumped through first circulation, thus eliminates the conveying cost of fluid,
Save energy；Meanwhile two equipment are stacked together, floor space is small, on the other hand can cause flashing operation and stripping
Operation can carry out step by step；Certainly, when the operating pressure in flash column is sufficiently high, first circulation pump, liquid phase can also be saved
It can be fed directly to hot recycling tower entrance.
Another kind improves, and the flash column and the stripping tower are shared same tower body, be isolated between the two using tower tray,
The flash column is located at the top of the stripping tower；The tower tray is equipped with enters the flash column for gas phase in the stripping tower
Riser, which constitutes second gaseous phase outlet on the stripping tower top, is additionally provided on the tower tray for the sudden strain of a muscle
The downspout that the liquid phase in tower enters the stripping tower is steamed, which has connected the liquid-phase outlet of the flash column and the gas
The entrance of stripper；The liquid-phase outlet of the stripping tower connects the entrance of the hot recycling tower by first circulation pump.Flash column with
Stripping tower uses same housing structure, is isolated between the two using the tower tray equipped with riser and downspout, has both eliminated stream
The conveying cost of body saves energy, and flashing operation and stripping operation in flash column are carried out at the same time.
As an improvement, the flash column, the stripping tower and the hot recycling tower share same tower body, the flash column and
It is isolated by the first end socket between the stripping tower, is separated by between the stripping tower and the hot recycling tower by the second end socket
From, and the flash column, the stripping tower and the hot recycling tower are sequentially arranged from top to bottom, and the liquid phase of the flash column goes out
It is connected between mouth and the entrance of stripping tower by exterior line；Sulfur-rich absorbent is after flash distillation process in self gravitation and flash column
Under interior steam pressure effect, stripping tower is flowed by exterior line, after stripping is handled, liquid phase passes through the second inlet pipe again
The hot recycling tower of lower section is imported after the heat exchange of the second heat exchanger, above-mentioned first circulation pump is eliminated, saves production cost.
Another kind improves, and the flash column, the stripping tower and the hot recycling tower share same tower body；The flash distillation
Tower, the stripping tower and the hot recycling tower are sequentially arranged from top to bottom；Pass through tower between the flash column and the stripping tower
Disk is isolated, and is isolated between the stripping tower and the hot recycling tower by the second end socket；The tower tray is equipped with described in confession
Gas phase enters the riser of the flash column in stripping tower, and the second gas phase which constitutes the stripping tower top goes out
Mouthful, the downspout for entering the stripping tower for the liquid phase in the flash column is additionally provided on the tower tray, which connects
The entrance of the liquid-phase outlet of the flash column and the stripping tower.
Flash column, stripping tower and hot recycling tower share the structure of same tower body, can save stripping tower and hot recycling tower it
Between first circulation pump fluid pressure conveyer device, reducing the conveying cost of fluid to a certain degree, reaching energy saving
The purpose of consumption reduction, meanwhile, three equipment are stacked together, dramatically save floor space.
Compared with prior art, the advantages of the utility model：Concentrate unit before hot recycling unit is set and is being carried
First Heat Exchanger is set before dense unit, sulfur-rich absorbent is after heating, then successively passes through the flash column and air lift of concentrate unit
Tower can cause the CO in sulfur-rich absorbent2Gases is waited further to desorb, so as to significantly improve the dense of H2S therein
Degree, and then Crouse's gas containing high H2S concentration is desorbed by hot recycling unit；On the other hand, concentrate unit is being entered
Preceding sulfur-rich absorbent passes through the second heat exchanger and the poor absorption from hot recycling tower by First Heat Exchanger and after concentrate
Agent is effectively exchanged heat, and realizes efficiently using for energy, reduces production cost；First is equipped in the first inlet pipe respectively
Bypass, the second inlet pipe are equipped with the second bypass and the first valve are equipped in the first bypass, and the second bypass is equipped with second
Valve can efficiently control the temperature for the sulfur-rich absorbent for entering flash column, ensure that sulfur-rich absorbent at a suitable temperature
Different degrees of concentrate is carried out, so that it generates Crouse's gas of various concentration after hot recycling meets downstream sulfur recovery
The requirement of workshop section；Finally, the flash column, stripping tower and the hot recycling tower share the structure of same tower body, on the one hand greatly
Ground reduces floor space, on the other hand can save first circulation pump installation, is reducing the conveying of fluid to a certain degree
Cost has achieved the purpose that energy-saving.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1；
Fig. 2 is the schematic diagram of the utility model embodiment 2；
Fig. 3 is the schematic diagram of the utility model embodiment 3；
Fig. 4 is the schematic diagram of the utility model embodiment 4.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment 1,
As shown in Figure 1, the pre- concentration unit of sour gas includes concentrate unit and hot recycling unit；
Concentrate unit carries out concentrate operation to receive the sulfur-rich absorbent of upstream, including flash column 2 and stripping tower 3, dodges
It steams tower 2 and shares same tower body with stripping tower 3, be isolated between the two using the first end socket 21, and flash column 2 is located at air lift
The top of tower 3, the entrance of flash column 2 connect the first inlet pipe of pending sulfur-rich absorbent by First Heat Exchanger 5, flash distillation
The liquid-phase outlet of tower 2 connects the entrance of stripping tower 3 by outer fluid line.
Flash column 2 is additionally provided with the first gaseous phase outlet, and the first gaseous phase outlet connects the first outlet pipe, the first outlet pipe
It is equipped with the control valve 14 for being used for adjusting flashing pressure in flash column 2；The lower part connection gas stripping gas conveyance conduit of stripping tower 3, tool
Body, gas stripping gas is preferably nitrogen, and H in sulfur-rich absorbent can be controlled by adjusting different nitrogen amounts2S concentration；Air lift
The top of tower 3 is equipped with the second gaseous phase outlet, and the second gaseous phase outlet is connected with above-mentioned first outlet pipe so that two gas streams
Upstream H is sent to after converging2S enriching apparatus；The liquid-phase outlet of stripping tower 3 passes through 11 connection hot recycling tower of first circulation pump, 1 entrance.
Hot recycling unit, to receive the regeneration that the sulfur-rich absorbent after concentrate cell processing carries out absorbent, including heat
Regenerator 1, hot recycling tower 1 include the I sections set above and below and II sections of two parts；The I section tops of the hot recycling tower 1 and above-mentioned gas
The liquid-phase outlet of stripper 3 is connected by the second inlet pipe, which is equipped with the second heat exchanger 4, the hot recycling
The I pars infrasegmentalises of tower 1 are connected with output the first outlet tube of lean absorbent road, and the lower part of the II sections of hot recycling tower 1 is provided with heat
The reboiler 8 of reactivation heat, the bottom of hot recycling tower 1 are connected with the second outlet tube road of conveying aqueous solutions of absorbent, hot recycling
The top of tower 1 is connected with Crouse's gas gas pipeline, the Crouse's pneumatic transmission desorbed to sulfur recovery workshop section.
Specifically, the tube side of the first inlet pipe connection First Heat Exchanger 5, the second inlet pipe connect the second heat exchanger 4
Tube side, correspondingly, the first outlet tube road is sequentially connected the shell side of the second heat exchanger 4 and First Heat Exchanger 5.It is contemplated that the
One inlet pipe connects the shell side of First Heat Exchanger 5, and the second inlet pipe connects the shell side of the second heat exchanger 4, correspondingly, first
Outlet tube road is sequentially connected the tube side of the second heat exchanger 4 and First Heat Exchanger 5；Or the first outlet tube road difference interconnection the
The tube side or shell side of two heat exchangers 4 and First Heat Exchanger 5 can also reach same heat exchange purpose.
In addition, the first inlet pipe is equipped with the first bypass, the two-port of the first bypass is located at First Heat Exchanger 5 respectively
Upstream and downstream, first bypass be equipped with the first valve 12；Second inlet pipe is equipped with the second bypass, the both ends of the second bypass
Mouth is located at the upstream and downstream of the second heat exchanger 4, and the second bypass is equipped with the second valve 13.It is equipped in the first inlet pipe
First bypass, and the first valve 12 is equipped in the first bypass, the sulfur-rich absorbent for entering flash column 2 can be efficiently controlled
Temperature, carry out different degrees of flash distillation concentrate, expire so that it generates Crouse's gas of various concentration after hot recycling
The requirement of foot trip sulfur recovery workshop section；It is equipped in the second inlet pipe in the second bypass and the second bypass and is equipped with the second valve
13, the temperature for the sulfur-rich absorbent for entering hot recycling tower 1 can be efficiently controlled, carries out different degrees of preheating, realizes energy
The efficient utilization of amount.
The liquid phase of stripping tower 3 after 11 pressurization of first circulation pump by being sent to hot recycling tower, under the I sections from hot recycling tower 1
The lean absorbent in portion is fully exchanged heat after 10 pressurization of second circulation pump with sulfur-rich absorbent, realizes effective profit of energy
With having saved production cost.
Embodiment 2,
As shown in Fig. 2, the pre- concentration unit of the sour gas includes concentrate unit and hot recycling unit；Concentrate unit, to
The sulfur-rich absorbent for receiving upstream carries out concentrate operation, including flash column 2 and stripping tower 3, hot recycling unit, to receive concentrate
Sulfur-rich absorbent after cell processing carries out the regeneration of absorbent, including hot recycling tower 1；
Flash column 2 shares same tower body, the two to the present embodiment with stripping tower 3 in concentrate unit as different from Example 1
Between be isolated using tower tray 9, flash column 2 is located at the top of stripping tower 3；Tower tray 9 is equipped with riser 91 and downspout 92, gas
Gas in stripper 3 is entered directly by riser 91 in the flash column 2 of top, and correspondingly, the liquid phase in flash column 2 passes through
Downspout 92 is entered in the stripping tower 3 of lower section, so can connect flash column 2 and stripping tower to avoid additionally increasing outside tower body
3 pipeline, but also flash process can be carried out at the same time with air lift process.In addition, the other content in the present embodiment with
Embodiment 1 is identical, is no longer described in detail.
Embodiment 3,
As shown in figure 3, the pre- concentration unit of the sour gas includes concentrate unit and hot recycling unit；Concentrate unit, to
The sulfur-rich absorbent for receiving upstream carries out concentrate operation, including flash column 2 and stripping tower 3, hot recycling unit, to receive concentrate
Sulfur-rich absorbent after cell processing carries out the regeneration of absorbent, including hot recycling tower 1；
Flash column 2, stripping tower 3 and hot recycling tower 1 share same tower body to the present embodiment as different from Example 1, flash distillation
It is isolated by the first end socket 21 between tower 2 and stripping tower 3, is separated by between stripping tower 3 and hot recycling tower 1 by the second end socket
From, and flash column 2, stripping tower 3 and hot recycling tower 1 are sequentially arranged from top to bottom；The liquid-phase outlet of flash column 2 is flowed by outside
Body pipeline connects the entrance of stripping tower 3, and the liquid-phase outlet of stripping tower 3 connects the entrance of hot recycling tower 1 by the second inlet pipe,
Under self gravitation and the effect of tower body internal pressure, sulfur-rich absorbent enters stripping tower 3 from flash column 2, then enters back into second
Hot recycling tower 1 is imported into after the heat exchange of the second heat exchanger 4 carry out hot recycling process in inlet pipe.Thus eliminate stripping tower
The fluid pressure conveyer device of first circulation pump 11 between 3 and hot recycling unit, reduces production cost.In addition, originally
Other content in embodiment is same as Example 1, is no longer described in detail.
Embodiment 4,
As shown in figure 4, the pre- concentration unit of the sour gas includes concentrate unit and hot recycling unit；Concentrate unit, to
The sulfur-rich absorbent for receiving upstream carries out concentrate operation, including flash column 2 and stripping tower 3, hot recycling unit, to receive concentrate
Sulfur-rich absorbent after cell processing carries out the regeneration of absorbent, including hot recycling tower 1；
Flash column 2, stripping tower 3 and hot recycling tower 1 share same tower body to the present embodiment as different from Example 1, flash distillation
It is isolated by tower tray 9 between tower 2 and stripping tower 3, is isolated between stripping tower 3 and hot recycling tower 1 by the second end socket, and
Flash column 2, stripping tower 3 and hot recycling tower 1 are sequentially arranged from top to bottom；Tower tray 9 is equipped with riser 91 and downspout 92, gas
Gas in stripper 3 is entered directly by riser 91 in the flash column 2 of top, and correspondingly, the liquid phase in flash column 2 passes through
Downspout 92 is entered in the stripping tower 3 of lower section, and so can be avoided increases connection flash column 2 and stripping tower 3 outside tower body
Pipeline, but also flash process can be carried out at the same time with air lift process.The liquid-phase outlet of stripping tower 3 passes through the second inlet pipe
The entrance of hot recycling tower 1 is connected, under self gravitation and the effect of tower body internal pressure, sulfur-rich absorbent is from flash column 2 through descending liquid
Pipe 92 enter stripping tower 3, then enter back into the second inlet pipe through the second heat exchanger 4 heat exchange after imported into hot recycling tower 1 into
Row hot recycling process.Thus eliminate the fluid pressurized delivered of the first circulation pump 11 between stripping tower 3 and hot recycling unit
Device reduces production cost.In addition, the other content in the present embodiment is same as Example 1, is no longer described in detail.
Claims (7)
1. a kind of pre- concentration unit of sour gas, it is characterised in that：Including concentrate unit and hot recycling unit；
Concentrate unit carries out concentrate operation, including flash column (2) and stripping tower (3), institute to receive the sulfur-rich absorbent of upstream
The entrance for stating flash column (2) connects the first inlet pipe of pending sulfur-rich absorbent, the flash distillation by First Heat Exchanger (5)
Tower (2) is equipped with the first gaseous phase outlet, and first gaseous phase outlet connects the first outlet pipe, and the first outlet pipe, which is equipped with, to be used for
Adjust the control valve (14) of the flash column (2) interior flashing pressure；The liquid-phase outlet connection stripping tower (3) of the flash column (2)
Entrance；
The lower part connection gas stripping gas conveyance conduit of the stripping tower (3), the top of the stripping tower (3) goes out equipped with the second gas phase
Mouthful, liquid-phase outlet connection hot recycling tower (1) entrance of the stripping tower (3)；
Hot recycling unit, to receive the regeneration that the sulfur-rich absorbent after pre- concentrate cell processing carries out absorbent, including heat again
Raw tower (1) and the second heat exchanger (4), the hot recycling tower (1) include the I sections set above and below and II sections of two parts, the hot recycling
The top of I sections of tower (1) is connected with the liquid-phase outlet of above-mentioned stripping tower (3) by the second inlet pipe, in second inlet pipe
Equipped with second heat exchanger (4), the lower part of I sections of the hot recycling tower (1) is connected with output the first outlet tube of lean absorbent road, the heat
Provided with the reboiler (8) of hot recycling heat, the bottom of the hot recycling tower (1) connects for the lower part of II sections of regenerator (1)
It is connected to the second outlet tube road of conveying aqueous solutions of absorbent.
2. the pre- concentration unit of sour gas according to claim 1, it is characterised in that：First inlet pipe connects institute
The tube side of First Heat Exchanger (5) is stated, second inlet pipe connects the tube side of second heat exchanger (4), and described first goes out
Liquid pipeline is sequentially connected the shell side of second heat exchanger (4) and First Heat Exchanger (5).
3. the pre- concentration unit of sour gas according to claim 2, it is characterised in that first inlet pipe is equipped with
First bypass, the described first two-port bypassed is respectively by the upstream and downstream of the First Heat Exchanger (5), described first
Road is equipped with the first valve (12)；
Second inlet pipe is equipped with the second bypass, and the two-port of second bypass is located at second heat exchanger (4)
Upstream and downstream, and it is described second bypass be equipped with the second valve (13).
4. the pre- concentration unit of sour gas according to any claim in claims 1 to 3, it is characterised in that the sudden strain of a muscle
It steams tower (2) and the stripping tower (3) shares same tower body, be isolated between the two using the first end socket (21), and the sudden strain of a muscle
Steam the top that tower (2) is located at the stripping tower (3)；
The liquid-phase outlet of the flash column (2) is connected with the entrance of stripping tower (3) by exterior line, the stripping tower (3)
Liquid-phase outlet pumps the entrance of (11) connection hot recycling tower (1) by first circulation.
5. the pre- concentration unit of sour gas according to any claim in claims 1 to 3, it is characterised in that the sudden strain of a muscle
It steams tower (2) and the stripping tower (3) shares same tower body, be isolated between the two using tower tray (9), flash column (2) position
In the top of the stripping tower (3)；
The tower tray (9) is equipped with the riser (91) for entering the flash column (2) for the stripping tower (3) interior gas phase, the liter
Tracheae (91) constitutes second gaseous phase outlet on the stripping tower (3) top, is additionally provided on the tower tray (9) for the flash column
(2) liquid phase in enters the downspout (92) of the stripping tower (3), which has connected the liquid of the flash column (2)
Mutually outlet and the entrance of the stripping tower (3)；
The liquid-phase outlet of the stripping tower (3) pumps the entrance of (11) connection hot recycling tower (1) by first circulation.
6. the pre- concentration unit of sour gas according to any claim in claims 1 to 3, it is characterised in that the sudden strain of a muscle
It steams tower (2), the stripping tower (3) and the hot recycling tower (1) and shares same tower body, the flash column (2) and the stripping tower
(3) it is isolated between by the first end socket (21), passes through the second end socket between the stripping tower (3) and the hot recycling tower (1)
(31) it is isolated, and the flash column (2), the stripping tower (3) and the hot recycling tower (1) are sequentially arranged from top to bottom；
It is connected between the liquid-phase outlet of the flash column (2) and the entrance of stripping tower (3) by exterior line.
7. the pre- concentration unit of sour gas according to any claim in claims 1 to 3, it is characterised in that the sudden strain of a muscle
It steams tower (2), the stripping tower (3) and the hot recycling tower (1) and shares same tower body；The flash column (2), the stripping tower
(3) it is sequentially arranged from top to bottom with the hot recycling tower (1)；
It is isolated between the flash column (2) and the stripping tower (3) by tower tray (9), the stripping tower (3) and the heat are again
It is isolated between raw tower (1) by the second end socket (31)；The tower tray (9) is equipped with to be entered for the interior gas phase of the stripping tower (3)
The riser (91) of the flash column (2), the riser (91) constitute second gaseous phase outlet on the stripping tower (3) top,
The downspout (92) for entering the stripping tower (3) for the liquid phase in the flash column (2), the drop are additionally provided on the tower tray (9)
Liquid pipe (92) has connected the liquid-phase outlet of the flash column (2) and the entrance of the stripping tower (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407849.6U CN207451621U (en) | 2017-10-27 | 2017-10-27 | A kind of pre- concentration unit of sour gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407849.6U CN207451621U (en) | 2017-10-27 | 2017-10-27 | A kind of pre- concentration unit of sour gas |
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| CN207451621U true CN207451621U (en) | 2018-06-05 |
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