CN210736675U - Acid-gas separator and acid-gas separation system - Google Patents
Acid-gas separator and acid-gas separation system Download PDFInfo
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- CN210736675U CN210736675U CN201921189240.5U CN201921189240U CN210736675U CN 210736675 U CN210736675 U CN 210736675U CN 201921189240 U CN201921189240 U CN 201921189240U CN 210736675 U CN210736675 U CN 210736675U
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Abstract
The utility model belongs to the technical field of liquid water and impurity desorption in the hydrogen sulfide-containing natural gas of purification plant, concretely relates to sour gas separator and sour gas separation system. The utility model discloses an acid-gas separator and emergency cut-off valve, first check valve, relief valve, second check valve, blowoff valve, take the level gauge of teletransmission, take the flowmeter of teletransmission, hydrogen sulfide on-line monitoring appearance, show the organic setting of level gauge, first acidizing fluid backwash pump and second acidizing fluid backwash pump on the spot, adopt vertical structure, effectively realized two-stage separation and buffering, realized the intelligent control of operation process, realized the precision and the intellectuality of follow-up treatment process; by on-line monitoring, for H2S leakage monitoring alarmAnd the safety is effectively improved. And the skid-mounted integration reduces the occupied area. The valve, the pipeline and the pressure container which are made of hydrogen sulfide resistant materials are adopted, so that the use safety of the equipment is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of liquid water and impurity desorption in the hydrogen sulfide-containing natural gas of purification plant, concretely relates to sour gas separator and sour gas separation system.
Background
Natural gas is a clean, efficient and economic energy source and chemical raw material, is the best alternative energy source for petroleum and coal, and along with the development of the natural gas industry, the development and the utilization of the natural gas are more and more paid more attention by people. The sulfur-containing natural gas can corrode equipment and pipelines in the process of gathering, transportation and storage, personal safety accidents can be caused once the sulfur-containing natural gas is leaked, and when the natural gas is used as fuel for combustion, sulfides in the natural gas can be converted into sulfur oxides to be discharged into the atmosphere, so that acid rain is formed, the atmosphere is polluted, the ecological environment is damaged, and therefore desulfurization is required in the process of gathering, transportation and storage.
The natural gas containing hydrogen sulfide is removed in a purification plant/treatment plant, and the desulfurized natural gas is transported to the downstream, and simultaneously acid tail gas with higher concentration is formed. The acid tail gas is used for replacing sulfur in acid gas by an absorption oxidation tower to recover sulfur, so that the dual purposes of resource utilization and environmental protection are realized. The acid gas separation sledge is an important flow of a sulfur recovery device, the front end of the acid gas separation sledge is connected with the acid gas of a treatment unit, and the rear end of the acid gas separation sledge is connected with an absorption oxidation tower for sulfur recovery. The device has the function of separating impurities and moisture before the acid gas enters the absorption oxidation tower.
However, in practical application, the acid gas with higher concentration usually contains a large amount of water and impurities, which seriously affects the sulfur recovery effect of the subsequent absorption oxidation tower, so the acid gas entering the absorption oxidation tower must be dehydrated and the impurities must be removed. The existing devices are simple separation buffer tanks at present, most of the devices are single-stage separation buffers, and the gas-liquid separation effect is poor. In addition, the whole device operates under the state close to normal pressure, and automatic liquid drainage and continuous conveying are difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model provides an acid-gas separator and an acid-gas separation system, and aims to provide an acid-gas separation device which integrates the functions of separation, buffering, liquid discharge, emptying, metering, online monitoring and the like; the second purpose is to provide an acid gas separation device which can realize independent operation, remote shutoff, automatic liquid discharge, safe emptying, dynamic monitoring, intelligent alarm and accurate metering; the third purpose is to provide an acid gas separation device which can reduce the floor area of equipment.
In order to achieve the above object, the utility model adopts the following technical scheme:
an acid-gas separator comprises
The top of the acid-gas separator shell is provided with a gas-phase outlet, the bottom of the acid-gas separator shell is provided with a liquid-phase outlet, and the side wall of the acid-gas separator shell is provided with a mixed medium tangential inlet, a vent hole and a manhole;
the connecting plate is arranged in an acid-gas separator shell on the upper part of the mixed medium tangential inlet and divides the interior of the acid-gas separator shell into an upper cavity and a lower cavity;
the upper end of the cyclone separation element is positioned in the upper chamber, and the lower end of the cyclone separation element is positioned in the lower chamber;
one end of the communicating pipe is connected with the lower port of the cyclone separation element, and the other end of the communicating pipe penetrates through the side wall of the shell of the acid-gas separator and is communicated with the upper chamber of the shell of the acid-gas separator;
the wire mesh mist catcher is connected to the upper end of the cyclone separation element;
the corrugated plate is connected with the inner side wall of the lower part of the lower chamber of the shell of the acid-gas separator.
The wire mesh mist catcher is horizontally connected with the inner side wall of the upper cavity of the acid-gas separator shell; the corrugated plate is vertically connected with the inner side wall of the lower part of the lower chamber of the shell of the acid-gas separator.
A sour gas separation system at least comprises a sour gas separator, an emergency cut-off valve, a first check valve, a safety valve, a second check valve, a blow-off valve, an on-site display liquid level meter and a first sour liquid reflux pump; the emergency cut-off valve and the first check valve are connected in series at a mixed medium tangential inlet of the acid-gas separator; one end of the safety valve is connected with the vent, and the other end of the safety valve is connected with a pipeline for releasing acid gas to a torch; one end of the second check valve is connected with the gas phase outlet, and the other end of the second check valve is connected with the absorption oxidation tower; one end of the first acid liquor reflux pump is connected with the liquid phase outlet, and the other end of the first acid liquor reflux pump is connected with a pipeline for outputting acid water to other devices; the blowdown valve is connected between the first acid liquid reflux pump and the liquid phase outlet; the on-site display liquid level meter is connected to the outer side wall of the lower chamber of the acid-gas separator.
The device also comprises a second acid liquid reflux pump; and the second acid liquid reflux pump and the first acid liquid reflux pump are connected between the drain valve and the acidic water output in parallel.
The system also comprises a liquid level meter with remote transmission, a flow meter with remote transmission, a hydrogen sulfide on-line monitor and a controller; the liquid level meter with remote transmission is connected to the outer side wall of the lower chamber of the acid-gas separator; the flowmeter with remote transmission is connected between the second check valve and the absorption oxidation tower; the hydrogen sulfide on-line monitor is connected to the outer side wall of the upper chamber of the acid-gas separator; the controller is respectively connected with a liquid level meter with remote transmission, a flow meter with remote transmission and an electric signal of the hydrogen sulfide on-line monitor.
The device also comprises a pressure transmitter and a temperature transmitter; the pressure transmitter and the temperature transmitter are connected to a pipeline between the emergency cut-off valve and the first check valve; the pressure transmitter and the temperature transmitter are respectively connected with the controller through electric signals.
The liquid level meter with remote transmission and the in-situ display liquid level meter are symmetrically arranged on the outer side wall of the lower chamber of the acid-gas separator.
The acid-gas separator, the emergency cut-off valve, the first check valve, the safety valve, the second check valve, the blow-down valve, the liquid level meter with remote transmission, the flow meter with remote transmission, the hydrogen sulfide on-line monitor, the on-site display liquid level meter, the first acid liquid reflux pump and the second acid liquid reflux pump are all skid-mounted in the skid-mounted frame.
Has the advantages that:
1. the utility model adopts a vertical structure, thereby effectively realizing two-stage separation and buffering;
2. the utility model discloses the adoption of well acidizing fluid backwash pump can be with the acidizing fluid safety after the separation carry the processing unit, effectively solved because of the separator pressure differential undersize can not rely on the problem of the automatic flowing back of gravity.
3. The utility model discloses opening of the chain flowing back of height liquid level and pump stops, has realized operation process's intelligent control.
4. The utility model discloses contain on-line monitoring device, have H2S reveals the monitoring and alarming function, effectively improves the security.
5. The utility model discloses an online measurement and teletransmission have realized the accurate and intelligent of subsequent processing technology.
6. The utility model discloses a skid-mounted integration has reduced area, convenient roping and on-the-spot installation.
7. The utility model discloses a valve and pipeline and pressure vessel of anti hydrogen sulfide material, the effectual safety in utilization that improves equipment.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the acid-gas separator of the present invention.
In the figure: 1-an emergency cut-off valve; 2-a first check valve; 3-a safety valve; 4-a second check valve; 5-a blowdown valve; 6-acid gas separator; 7-liquid level meter with remote transmission; 8-in situ display level gauge; 9-hydrogen sulfide on-line monitor; 10-flow meter with remote transmission; 11-a first acid reflux pump; 12-a second acid liquid reflux pump; 13-tangential inlet of the mixed media; 14-wire screen mist trap; 15-gas phase outlet; 16-a cyclonic separating element; 17-a corrugated plate; 18-a liquid phase outlet; 19-acid gas separator housing; 20-a connecting plate; 21-communicating tube; 22-a vent; 23-a manhole; 24-a pressure transmitter; 25-temperature transmitter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
an acid-gas separator according to FIG. 2 comprises
The acid-gas separator comprises an acid-gas separator shell 19, wherein a gas phase outlet 15 is formed in the top of the acid-gas separator shell 19, a liquid phase outlet 18 is formed in the bottom of the acid-gas separator shell 19, and a mixed medium tangential inlet 13, a vent 22 and a manhole 23 are formed in the side wall of the acid-gas separator shell 19;
the connecting plate 20 is arranged in the acid-gas separator shell 19 on the mixed medium tangential inlet 13, and divides the interior of the acid-gas separator shell 19 into an upper cavity and a lower cavity;
the cyclone separation element 16 is vertically connected in the acid-gas separator shell 19 through a connecting plate 20, the upper end of the cyclone separation element 16 is positioned in the upper chamber, and the lower end of the cyclone separation element 16 is positioned in the lower chamber;
one end of the communicating pipe 21 is connected with the lower port of the cyclone separation element 16, and the other end of the communicating pipe 21 passes through the side wall of the acid-gas separator housing 19 to be communicated with the upper chamber of the acid-gas separator housing 19;
a wire mesh mist catcher 14, wherein the wire mesh mist catcher 14 is connected to the upper end of the cyclone separation element 16;
the corrugated plate 17 is connected with the inner side wall of the lower cavity of the acid-gas separator shell 19.
In practical use, the liquid-containing acid gas enters the separator through the mixed medium tangential inlet 13, gas, liquid and solid are separated through the cyclone separation element 16 in the prior art, the liquid is downward along the cylinder wall, the gas rises through the middle channel of the cyclone separation element 16 and is output from the gas phase outlet 15 through the wire mesh mist catcher 14, and the wire mesh mist catcher 14 intercepts fine liquid drops in the gas and collects the fine liquid drops at the connecting plate 20. Is guided to the distributor through the communicating pipe 21 to be separated again. The liquid gathered at the lower part of the shell 19 of the acid-gas separator passes through the corrugated plate 17 which is vertically arranged, and a large amount of gas in a saturated state dissolved in the liquid is coalesced and is enabled to escape from the water surface, so that the gas-liquid separation effect is achieved.
The separator has three gas-liquid separation processes, and the first gas-liquid separation is realized through cyclone gravity separation when the gas enters the separator for the first time; and the saturated gas is coalesced and escaped when the liquid passes through the corrugated plate at the bottom of the separator for the second time, so that the gas-liquid separation is realized again. The fine liquid drops (liquid drops with the diameter of more than 3 um) are effectively intercepted when the gas passes through the wire mesh for the third time, so that the third gas-liquid separation is realized; through three-stage separation, the separation efficiency is obviously improved.
The side wall of the lower part of the separator is provided with a manhole 23, which is convenient for installing components such as internal accessories, silk screens, corrugated plates and the like.
The acid-gas separator receives natural gas containing hydrogen sulfide and a small amount of water from an upstream pipeline, and the natural gas enters the acid-gas separator for gas-liquid separation, so that a large amount of water and impurities in the natural gas are removed. The dehydrated dry natural gas (containing hydrogen sulfide) is sent to a downstream absorption oxidation tower through a pipeline. The acid-containing sewage enters an acid liquor treatment link through a liquid phase outlet 18; and a vent 22 of the acid gas separator is used for automatically opening the safety valve 3 when the system is in overpressure, releasing pressure and venting the system, and sending acid gas to the in-station torch system through a venting pipeline.
The technical scheme of the utility model, make the natural gas that contains hydrogen sulfide and a small amount of water carry out effectual gas-liquid separation, got rid of liquid water and solid impurity in the natural gas, inputed the natural gas (containing hydrogen sulfide) of doing to low reaches and handle.
Example two:
according to the acid-gas separator shown in fig. 2, the difference from the first embodiment is that: the wire mesh mist catcher 14 is horizontally connected with the inner side wall of the upper chamber of the acid-gas separator shell 19; the corrugated plate 17 is vertically connected with the inner side wall of the lower cavity of the acid-gas separator shell 19.
In actual use, the mesh mist catcher 14 is arranged so that when gas passes through the mesh mist catcher 14, fine droplets (droplets with a diameter of more than 3 um) in the gas can be intercepted, collected at the connecting plate 20, guided by the communicating pipe 21 and separated again.
The technical scheme that the corrugated plate 17 is vertically arranged is beneficial to coalescing a large amount of gas in a saturated state dissolved in liquid and enabling the gas to escape from the water surface, so that the gas-liquid separation effect is achieved.
Example three:
the acid gas separation system shown in fig. 1 at least comprises an acid gas separator 6, an emergency cut-off valve 1, a first check valve 2, a safety valve 3, a second check valve 4, a blow-off valve 5, an on-site display liquid level meter 8 and a first acid liquid reflux pump 11; the emergency cut-off valve 1 and the first check valve 2 are connected in series at a mixed medium tangential inlet 13 of the acid-gas separator; one end of the safety valve 3 is connected with the vent 22, and the other end of the safety valve 3 is connected with a pipeline for releasing acid gas to a torch; one end of the second check valve 4 is connected with the gas phase outlet 15, and the other end of the second check valve 4 is connected with an absorption oxidation tower; one end of the first acid liquid reflux pump 11 is connected with the liquid phase outlet 18, and the other end of the first acid liquid reflux pump 11 is connected with a pipeline for outputting acid water to other devices; the blowdown valve 5 is connected between the first acid liquor reflux pump 11 and the liquid phase outlet 18; the in-situ display liquid level meter 8 is connected to the outer side wall of the lower chamber of the acid-gas separator 6.
In practical use, the acid-gas separator is used for separating the natural gas containing hydrogen sulfide and a small amount of water from an upstream pipeline, and the natural gas enters the acid-gas separator for gas-liquid separation, so that a large amount of water and impurities in the natural gas are removed. An acid liquor reflux pump, which belongs to the prior art and consists of a pump body and a motor, and mainly leads acid-containing sewage to a downstream treatment link safely through the reflux pump. The drain valve leads the liquid separated by the acid-gas separator into a downstream pipeline through the drain valve, and the liquid level height condition of the acid-gas separator can be used for realizing better control. The safety valve 3 is a safety device for realizing the emptying of the acid gas separator. The quick action emergency valve 1 is a safety device for protecting a downstream line and equipment by quickly shutting off the valve when the pressure is abnormal.
The valve, the pipeline and the pressure container in the embodiment are all made of hydrogen sulfide resistant materials, and the use safety of equipment is improved. A valve: a valve spool (316L); a pressure container: R245R passed HIC and SSC assays; pipeline: l245NS, and meets the requirement of GB/T9711 on acid-resistant gas.
The absorption oxidation tower and the torch are both in the prior art.
The utility model discloses accomplish gas-liquid separation's overall process through following flow:
1. and (3) a separation process: the emergency cut-off valve 1 and the first check valve 2 are opened, and natural gas (acid gas for short) containing hydrogen sulfide and a small amount of moisture enters the acid gas separator 6 to be subjected to gas-liquid separation.
2. Liquid drainage process: when the liquid level is high, the blow-down valve 5 is opened, the acid gas separator automatically discharges liquid, and the first acid liquid reflux pump 11 is started in a linkage manner. When the liquid level is low, the blow-off valve 5 is closed, the first acid liquid reflux pump 11 is closed in a linkage manner, the acid-gas separator is used as a separation buffer tank, when the liquid level rises to high, the blow-off valve 5 is opened to discharge liquid, and the pump 11 is opened.
3. Emptying process: when the system is over-pressurized, the safety valve 3 is opened, and the system is depressurized to the emptying pipeline.
4. Acid liquor reflux flow: when the blow-off valve 5 is opened, the first acid liquor reflux pump 11 is started to discharge the acid liquor to the subsequent treatment unit. When the blowdown valve 5 is closed, the first acid reflux pump 11 is turned off. When the moisture content of the inlet air is higher, the frequency conversion pump can be considered when the pump is frequently opened.
5. Emergency shut-off process: when the upstream pressure is abnormal or exceeds the design pressure of a downstream pipeline and equipment, the emergency cut-off valve 1 is closed emergently to cut off the medium entering the downstream to play a role in protection.
6. Outputting the hydrogen sulfide-containing gas: the second check valve 4 is opened, and the dry natural gas (containing hydrogen sulfide) separated by the acid gas separator is output.
The utility model discloses technical scheme's adoption has guaranteed the safe handling of this system to guarantee going on of continuation of gas-liquid separation operation.
Example four:
according to a sour gas separation system shown in fig. 1, the difference from the third embodiment is that: a second acid liquid reflux pump 12 is also included; the second acid liquid reflux pump 12 and the first acid liquid reflux pump 11 are connected between the blow-off valve 5 and the acidic water output pipeline in parallel.
In actual use, the first acid liquid reflux pump 11 and the second acid liquid reflux pump 12 are always in a state of one for use and one for standby; first acidizing fluid backwash pump 11 and the parallelly connected technical scheme who sets up of second acidizing fluid backwash pump 12 can realize the online change of backwash pump, guarantee the utility model discloses a last uninterrupted duty.
Example five:
according to a sour gas separation system shown in fig. 1, the difference from the third embodiment is that: the device also comprises a liquid level meter 7 with remote transmission, a flowmeter 10 with remote transmission, a hydrogen sulfide online monitor 9 and a controller; the liquid level meter 7 with remote transmission is connected to the outer side wall of the lower chamber of the acid-gas separator 6; the flowmeter 10 with remote transmission is connected between the second check valve 4 and the absorption oxidation tower; the hydrogen sulfide on-line monitor 9 is connected to the outer side wall of the upper chamber of the acid-gas separator 6; the controller is respectively connected with a liquid level meter 7 with remote transmission, a flow meter 10 with remote transmission and a hydrogen sulfide on-line monitor 9 through electric signals.
Preferably also a pressure transmitter 24 and a temperature transmitter 25; the pressure transmitter 24 and the temperature transmitter 25 are connected on a pipeline between the emergency cut-off valve 1 and the first check valve 2; the pressure transmitter 24 and the temperature transmitter 25 are respectively in electrical signal connection with the controller.
In actual use, the liquid level meter 7 with remote transmission can monitor the liquid level in the acid-gas separator in real time, the flow meter 10 with remote transmission can monitor and accurately measure the flow of the dry natural gas (containing hydrogen sulfide) flowing through the second check valve 4 in real time, the hydrogen sulfide on-line monitor 9 can realize on-line monitoring of hydrogen sulfide gas leakage, and once hydrogen sulfide gas leakage occurs, an alarm signal can be sent. The liquid level meter 7 with remote transmission, the flowmeter 10 with remote transmission and the hydrogen sulfide on-line monitor 9 send the acquired information to the controller through electric signals, and the controller controls related components in real time. The controller in this embodiment is a computer in the related art.
This technical scheme's adoption has ensured effectively the utility model discloses a security, the reliability of operation and the accurate nature of measurement to realize the automatic operation of device through control system, realize unmanned on duty.
Example six:
according to a sour gas separation system shown in fig. 1, the difference from the third embodiment is that: the liquid level meter 7 with remote transmission and the in-situ display liquid level meter 8 are symmetrically arranged on the outer side wall of the lower chamber of the acid-gas separator 6.
When in actual use, adopt this technical scheme, show level gauge 8 on the spot and be favorable to showing on the spot and observing the liquid level change, take the level gauge 7 of teletransmission to control system with liquid level signal upload to it is chain with blowoff valve and pump, realize automatic flowing back.
Example seven:
according to a sour gas separation system shown in fig. 1, the difference from the third embodiment is that: the acid-gas separator is characterized by further comprising a skid-mounted frame, wherein the acid-gas separator 6, the emergency cut-off valve 1, the first check valve 2, the safety valve 3, the second check valve 4, the blow-down valve 5, the liquid level meter 7 with remote transmission, the flow meter 10 with remote transmission, the hydrogen sulfide online monitor 9, the on-site display liquid level meter 8, the first acid liquid reflux pump 11 and the second acid liquid reflux pump 12 are skid-mounted in the skid-mounted frame.
When in actual use, the skid-mounted integration sets up, makes the utility model discloses the space that occupies is littleer, makes things convenient for hauling and field installation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (8)
1. An acid-gas separator, characterized by: comprises that
The acid-gas separator comprises an acid-gas separator shell (19), wherein a gas-phase outlet (15) is formed in the top of the acid-gas separator shell (19), a liquid-phase outlet (18) is formed in the bottom of the acid-gas separator shell (19), and a mixed medium tangential inlet (13), a vent (22) and a manhole (23) are formed in the side wall of the acid-gas separator shell (19);
the connecting plate (20) is arranged in an acid-gas separator shell (19) on the upper part of the mixed medium tangential inlet (13), and the interior of the acid-gas separator shell (19) is divided into an upper cavity and a lower cavity;
the cyclone separation element (16) is vertically connected into the acid-gas separator shell (19) through a connecting plate (20), the upper end of the cyclone separation element (16) is positioned in the upper chamber, and the lower end of the cyclone separation element (16) is positioned in the lower chamber;
one end of the communicating pipe (21) is connected with the lower port of the cyclone separation element (16), and the other end of the communicating pipe (21) penetrates through the side wall of the acid-gas separator shell (19) to be communicated with the upper chamber of the acid-gas separator shell (19);
the wire mesh mist catcher (14), the wire mesh mist catcher (14) is connected to the upper end of the cyclone separation element (16);
the corrugated plate (17), the corrugated plate (17) is connected to the inside wall of the lower cavity of the housing (19) of the acid-gas separator.
2. An acid-gas separator as in claim 1 wherein: the wire mesh mist catcher (14) is horizontally connected with the inner side wall of the upper chamber of the acid-gas separator shell (19); the corrugated plate (17) is vertically connected with the inner side wall of the lower part of the lower chamber of the shell (19) of the acid-gas separator.
3. An acid gas separation system, characterized in that: at least comprising an acid gas separator (6) according to claim 1 or 2, further comprising an emergency shut-off valve (1), a first check valve (2), a safety valve (3), a second check valve (4), a blow-off valve (5), an in-situ display level gauge (8) and a first acid reflux pump (11); the emergency cut-off valve (1) and the first check valve (2) are connected in series with a mixed medium tangential inlet (13) of the acid-gas separator; one end of the safety valve (3) is connected with the vent hole (22), and the other end of the safety valve (3) is connected with a pipeline for releasing acid gas to a torch; one end of the second check valve (4) is connected with the gas phase outlet (15), and the other end of the second check valve (4) is connected with an absorption oxidation tower; one end of the first acid liquor reflux pump (11) is connected with the liquid phase outlet (18), and the other end of the first acid liquor reflux pump (11) is connected with a pipeline for outputting acid water to other devices; the blowdown valve (5) is connected between the first acid liquor reflux pump (11) and the liquid phase outlet (18); the in-situ display liquid level meter (8) is connected to the outer side wall of the lower chamber of the acid-gas separator (6).
4. A sour gas separation system according to claim 3 wherein: the device also comprises a second acid liquid reflux pump (12); the second acid liquid reflux pump (12) and the first acid liquid reflux pump (11) are connected between the blowdown valve (5) and the acidic water output pipeline in parallel.
5. A sour gas separation system according to claim 3 wherein: the system also comprises a liquid level meter (7) with remote transmission, a flowmeter (10) with remote transmission, a hydrogen sulfide online monitor (9) and a controller; the liquid level meter (7) with remote transmission is connected to the outer side wall of the lower chamber of the acid-gas separator (6); the flowmeter (10) with remote transmission is connected between the second check valve (4) and the absorption oxidation tower; the hydrogen sulfide on-line monitor (9) is connected to the outer side wall of the upper chamber of the acid-gas separator (6); the controller is respectively connected with a liquid level meter (7) with remote transmission, a flow meter (10) with remote transmission and a hydrogen sulfide on-line monitor (9) through electric signals.
6. The acid gas separation system of claim 5, wherein: also comprises a pressure transmitter (24) and a temperature transmitter (25); the pressure transmitter (24) and the temperature transmitter (25) are connected on a pipeline between the emergency cut-off valve (1) and the first check valve (2); the pressure transmitter (24) and the temperature transmitter (25) are respectively connected with the controller through electric signals.
7. The acid gas separation system of claim 5, wherein: the liquid level meter (7) with remote transmission and the in-situ display liquid level meter (8) are symmetrically arranged on the outer side wall of the lower chamber of the acid-gas separator (6).
8. An acid gas separation system according to any one of claims 3 to 7 wherein: the acid-gas separator is characterized by further comprising a skid-mounted frame, wherein the acid-gas separator (6), the emergency cut-off valve (1), the first check valve (2), the safety valve (3), the second check valve (4), the blow-down valve (5), the liquid level meter (7) with remote transmission, the flow meter (10) with remote transmission, the hydrogen sulfide online monitor (9), the local display liquid level meter (8), the first acid liquid reflux pump (11) and the second acid liquid reflux pump (12) are all skid-mounted in the skid-mounted frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189240.5U CN210736675U (en) | 2019-07-26 | 2019-07-26 | Acid-gas separator and acid-gas separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189240.5U CN210736675U (en) | 2019-07-26 | 2019-07-26 | Acid-gas separator and acid-gas separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210736675U true CN210736675U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189240.5U Active CN210736675U (en) | 2019-07-26 | 2019-07-26 | Acid-gas separator and acid-gas separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210736675U (en) |
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2019
- 2019-07-26 CN CN201921189240.5U patent/CN210736675U/en active Active
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