CN215179944U - Multifunctional sulfur recovery catalyst evaluation device - Google Patents
Multifunctional sulfur recovery catalyst evaluation device Download PDFInfo
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- CN215179944U CN215179944U CN202121403205.6U CN202121403205U CN215179944U CN 215179944 U CN215179944 U CN 215179944U CN 202121403205 U CN202121403205 U CN 202121403205U CN 215179944 U CN215179944 U CN 215179944U
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Abstract
The utility model discloses a multifunctional sulfur recovery catalyst evaluation device, which comprises an air supply system, a water supply system, a reaction system, a tail gas treatment system and a chromatographic system; the process upstream of the reaction system is provided with a mixer which is used for receiving the gas delivered by the gas supply system and mixing the gas to form mixed gas; part of mixed gas output by the mixer enters the tail gas treatment system after being treated by the chromatographic system, and part of mixed gas output by the mixer is conveyed to the reaction system; and part of tail gas output by the reaction system enters the tail gas treatment system after being treated by the chromatographic system. The utility model discloses an evaluation device both can evaluate the entry and require the catalyst activity of high concentration, can evaluate the entry again and require the catalyst activity of low concentration, simultaneously, can also utilize the buffer tank to avoid because the pipeline blocks up the risk that the chromatograph that causes easily behind the alkali lye absorption tank damages.
Description
Technical Field
The utility model relates to a sulphur technical field that retrieves especially relates to an activity evaluation device suitable for entry is the organic sulphur hydrolysis catalyst of high concentration's claus catalyst, tail gas hydrogenation catalyst and is applicable to the used entry of natural gas purification device for low concentration.
Background
The sulfur recovery catalyst mainly comprises a sulfur preparation catalyst, a tail gas hydrogenation catalyst, a natural gas purification and organic sulfur hydrolysis catalyst and the like, the activity of the sulfur preparation catalyst is mainly reflected in two aspects of Claus activity and organic sulfur hydrolysis activity, the activity of the tail gas hydrogenation catalyst is mainly reflected in sulfur dioxide hydrogenation activity and organic sulfur hydrolysis activity, and the activity of the organic sulfur hydrolysis catalyst used by a natural gas purification device is mainly reflected in the hydrolysis of organic sulfur. The concentration of all sulfur-containing compounds in the raw material gas at the inlet of the catalyst of the sulfur production unit is basically maintained at 1-10%, the concentration of all sulfur-containing compounds in the raw material gas at the inlet of the tail gas hydrogenation unit is basically maintained at 0.5-2%, and the gas composition is high in concentration; the organic sulfur content in the organic sulfur hydrolysis catalyst used by the natural gas purification device is 100-500 ppm, and the raw material gas has large concentration difference, so that the high-concentration sulfur-containing compound has strong adsorbability, and great difficulty is caused in evaluating the activity of the organic sulfur hydrolysis catalyst of the natural gas purification device with low concentration of the raw material gas.
In the prior art, Chinese patent application with application number 201210213065.5 discloses a sulfur recovery Claus activity evaluation device and a test method. The technological process of the disclosed technology is that nitrogen (containing oxygen), hydrogen sulfide, sulfur dioxide and carbon dioxide gas are decompressed by a steel cylinder gas, and then are metered by a mass flow meter and enter a mixer for mixing, water is fed by a micro pump control pump, enters a preheating coil of a blast type constant temperature electric heating box, reaches a required temperature in the preheating coil to become water vapor, the water vapor and mixed gas coming out of the mixer are preheated by a preheater, are converged at an inlet of the reactor and enter the reactor for reaction, the reacted gas passes through a sulfur trap and a condenser to separate sulfur and water, and then enters an alkali liquor absorption tank for absorption and then is discharged after being subjected to chromatographic analysis. However, it is not easy to find through careful study that after the evaluation of the catalyst activity requiring high concentration at the inlet, the evaluation device disclosed in the prior art can adsorb part of sulfur-containing compounds in the pipeline easily, and the evaluation effect of the catalyst activity requiring low concentration at the inlet is seriously affected. Simultaneously, the device alkali lye absorbs the back pipeline and blocks up easily, causes the back pressure to rise, and alkali lye flows backward and gets into the chromatograph, has the risk that the chromatograph damaged.
In addition, in the prior art, the improvement of the activity evaluation device and method for sulfur recovery catalysts in the second phase of 2015 in the Qilu petrochemical industry is only to improve the heating mode, the tail gas discharge mode and the sample injection mode of a temperature control system, and the risk that the activity of the catalysts with high and low concentrations required by an inlet cannot be evaluated alternately and a chromatograph is damaged also exists.
Therefore, in view of the technical problems in the prior art, it is highly desirable to develop a multifunctional sulfur recovery catalyst evaluation device that can evaluate the activity of a catalyst requiring a high concentration at the inlet and the activity of a catalyst requiring a low concentration at the inlet, and can avoid the risk of damage to a chromatograph due to easy blockage of a pipeline after an alkali solution absorption tank.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a catalyst evaluation device is retrieved to multi-functional sulphur that has both can evaluate the entry and require the catalyst activity of high concentration, can evaluate the entry and require the catalyst activity of low concentration again, can also avoid the easy jam of pipeline behind the alkali lye absorption tank to cause the risk that the chromatograph damaged simultaneously.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a multi-functional sulphur recovery catalyst evaluation device, this evaluation device includes:
a gas supply system to quantitatively deliver gas downstream of the process;
the water supply system quantitatively supplies water to the process downstream through water containing bottles and metering pumps which are sequentially arranged according to the process flow;
a reaction system located downstream of the gas supply system and the water supply system processes;
a tail gas treatment system located downstream of the reaction system process; and
a chromatography system;
the process upstream of the reaction system is provided with a mixer which is used for receiving the gas delivered by the gas supply system and mixing the gas to form mixed gas;
part of mixed gas output by the mixer enters the tail gas treatment system after being treated by the chromatographic system, and part of mixed gas output by the mixer is conveyed to the reaction system;
and part of tail gas output by the reaction system enters the tail gas treatment system after being treated by the chromatographic system.
Further, the gas supply system includes many parallelly connected gas supply lines, many the gas supply line is respectively:
for feeding SO to the mixer2SO of gas2A gas supply line;
for feeding H to the mixer2H of S gas2S, a gas supply line;
for feeding N to said mixer2N of gas2A gas supply line; and
a further gas supply line to deliver a further gas to the mixer;
the SO2The gas supply line has SO2Gas supply tank, and SO2SO with gas supply tank connected by pressure reducing valve2Gas filter, said SO2The process downstream of the gas filter is connected with a mass flow meter through a valve, and the process downstream end of the mass flow meter is connected with the mixer through a one-way valve;
said H2S gas supply line has H2S gas supply tank, and H2H with S gas supply tank connected by pressure reducing valve2S gas filter, said H2S, the process downstream of the gas filter is connected with a mass flow meter through a valve, and the process downstream end of the mass flow meter is connected with the mixer through a one-way valve;
said N is2The gas supply line has N2Gas supply tank, and the N2N with gas supply tanks connected by pressure reducing valves2Gas filter, said N2The process downstream of the gas filter is connected with a mass flow meter through a valve, and the process downstream end of the mass flow meter is connected with the mixer through a one-way valve.
Furthermore, the other gas supply lines are one or more;
the other gas supply line is provided with an other gas supply tank and an other gas filter connected with the other gas supply tank through a pressure reducing valve, the process downstream of the other gas filter is connected with a mass flow meter through a valve, and the process downstream end of the mass flow meter is connected with the mixer through a one-way valve;
said N is2N of gas supply line2Process downstream of gas filter with multiple N2A gas branch line;
said N is2Gas supply line passing through N2Gas branch lines are connected with the SO respectively2Gas supply line, H2And the S gas supply line is connected with the other gas supply lines.
Further, the valve is a ball valve or a stop valve.
Further, the reaction system comprises:
the reactor is used for receiving the mixed gas output by the mixer and the water output by the water supply system;
a trap downstream of the reactor process and connected to the reactor;
a condenser connected to the trap; and
and the gas-liquid separation tank is connected with the condenser.
Further, the exhaust gas treatment system comprises:
the buffer tank is connected with the gas-liquid separation tank; and
and the alkali liquor absorption tank is connected with the buffer tank.
Further, the output end of the mixer has two branch lines, which are respectively:
the mixed gas first output line and the mixed gas second output line;
the mixer is connected with the reactor through the mixed gas first output line so as to convey the mixed gas into the reactor;
the mixer is connected with the chromatographic system through the mixed gas second output line to deliver the mixed gas to the chromatographic system.
Further, the output end of the gas-liquid separation tank is provided with two branch lines which are a first line and a second line respectively;
the gas-liquid separation tank is connected with the chromatographic system through the first line so as to convey tail gas to the chromatographic system, and the tail gas treated by the chromatographic system is conveyed to the alkali liquor absorption tank through the buffer tank and then is discharged to the outside after being subjected to alkali washing;
the gas-liquid separation tank is connected with the buffer tank through the second line, tail gas is conveyed to the alkali liquor absorption tank through the buffer tank, and the tail gas after alkali washing is discharged to the outside.
Further, the chromatography system employs a gas chromatograph capable of analyzing sulfides.
Furthermore, the pipeline, the tank body and the valve in the gas supply system are all made of 316L;
the materials of pipelines, tanks and valves in the water supply system are all 316L;
the materials of pipelines, tanks and valves in the reaction system are all 316L;
the materials of pipelines, tanks and valves in the tail gas treatment system are all 316L.
In the technical scheme, the utility model provides a pair of multi-functional sulphur recovery catalyst evaluation device has following beneficial effect:
the utility model discloses an evaluation device both can evaluate the entry and require the catalyst activity of high concentration, can evaluate the entry again and require the catalyst activity of low concentration, simultaneously, can also utilize the buffer tank to avoid because the pipeline blocks up the risk that the chromatograph that causes easily behind the alkali lye absorption tank damages.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed 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 described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a process flow diagram of a multifunctional sulfur recovery catalyst evaluation device provided by the embodiment of the present invention.
Description of reference numerals:
1、SO2a gas supply line; 2. h2S, a gas supply line; 3. n is a radical of2A gas supply line; 4. other gas supply lines; 5. a pressure reducing valve; 6. a valve; 7. a mass flow meter; 8. a one-way valve; 9. a mixer; 12. a chromatography system;
101、SO2a gas supply tank; 102. SO (SO)2A gas filter;
201、H2an S gas supply tank; 202. h2S, a gas filter;
301、N2a gas supply tank; 302. n is a radical of2A gas filter; 303. n is a radical of2A gas branch line;
401. other gas supply tanks; 402. other gas filters;
901. a mixed gas first output line; 902. a mixed gas second output line;
1001. a water containing bottle; 1002. a metering pump;
1101. a reactor; 1102. a trap; 1103. a condenser; 1104. a gas-liquid separation tank; 1105. a first line; 1106. a second line;
1301. a buffer tank; 1032. an alkali liquor absorption tank.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1;
the utility model discloses a multi-functional sulphur recovery catalyst evaluation device, this evaluation device includes:
a gas supply system for quantitatively delivering gas to a process downstream;
the water supply system quantitatively supplies water to the downstream of the process through a water containing bottle 1001 and a metering pump 1002 which are sequentially arranged according to the process flow;
a reaction system located downstream of the gas supply system and water supply system processes;
a tail gas treatment system located downstream of the reaction system process; and
a chromatography system 12;
the process upstream of the reaction system is provided with a mixer 9, and the mixer 9 is used for receiving the gas delivered by the gas supply system and mixing to form mixed gas;
part of mixed gas output by the mixer 9 enters a tail gas treatment system after being treated by a chromatographic system 12, and part of mixed gas output by the mixer 9 is conveyed to a reaction system;
part of tail gas output by the reaction system enters a tail gas treatment system after being treated by the chromatographic system 12.
Specifically, the embodiment discloses a multifunctional sulfur recovery catalyst evaluation device, which comprises an air supply system, a water supply system, a reaction system, a chromatographic system 12 and a tail gas treatment system; the flow of each gas supply line is quantitatively controlled through the mass flow meter 7, so that different process requirements are met. The mixer 9 of the present embodiment has two branches for feeding the mixed gas to the chromatography system 12 and the reaction system, respectively, and similarly, the reaction gas has two branches for feeding the off gas to the chromatography system 12 and the off gas treatment system, respectively.
Preferably, the air supply system in this embodiment includes a plurality of air supply lines connected in parallel, and the plurality of air supply lines are respectively:
for supplying SO to the mixer 92SO of gas2A gas supply line 1;
for feeding H to the mixer 92H of S gas2S gas supply line 2;
for feeding N to the mixer 92N of gas2A gas supply line 3; and
a further gas supply line 4 for supplying a further gas to the mixer 9;
SO2the gas supply line 1 has SO2 Gas supply tank 101, and SO2SO with gas supply tank 101 connected by pressure reducing valve 52 Gas filter 102, SO2Gas passingThe process downstream of the filter 102 is connected with a mass flow meter 7 through a valve 6, and the process downstream end of the mass flow meter 7 is connected with a mixer 9 through a one-way valve 8;
H2s gas supply line 2 has H2S gas supply tank 201, and H2H to which S gas supply tank 201 is connected through pressure reducing valve 52 S gas filter 202, H2The process downstream of the S gas filter 202 is connected with a mass flow meter 7 through a valve 6, and the process downstream end of the mass flow meter 7 is connected with a mixer 9 through a one-way valve 8;
N2the gas supply line 3 has N2 Gas supply tank 301, and N2N with gas supply tanks 301 connected by pressure reducing valve 52 Gas filter 302, N2The process downstream of the gas filter 302 is connected to a mass flow meter 7 through a valve 6, and the process downstream end of the mass flow meter 7 is connected to a mixer 9 through a check valve 8.
Wherein, the other gas supply lines 4 are one or more;
the other gas supply line 4 has an other gas supply tank 401, and an other gas filter 402 connected to the other gas supply tank 401 through a pressure reducing valve 5. the process downstream of the other gas filter 402 is connected to a mass flow meter 7 through a valve 6, and the process downstream end of the mass flow meter 7 is connected to a mixer 9 through a check valve 8;
N2n of gas supply line 32Process downstream of gas filter 302 has multiple N2A gas branch line 303;
N2 gas feed line 3 through N2The gas branch lines 303 are connected with SO respectively2Gas supply lines 1, H2The S gas supply line 2 is connected with other gas supply lines 4.
N of the present embodiment2The gas supply line 3 has a plurality of N2The gas branch line 303 is mainly used for purging each line, and the common purging time is 1-24 h, so that the test requirement of a subsequent low-concentration gas source can be met.
Preferably, the valve 6 in this embodiment is a ball valve or a stop valve.
Preferably, the reaction system in this embodiment includes:
a reactor 1101 for receiving the mixed gas output from the mixer 9 and the water output from the water supply system;
a trap 1102 located downstream of the reactor 1101 process and connected to the reactor 1101;
a condenser 1103 connected to the trap 1102; and
and a gas-liquid separation tank 1104 connected to the condenser 1103.
Preferably, the exhaust gas treatment system in this embodiment includes:
a buffer tank 1301 connected to the gas-liquid separation tank 1104; and
a lye absorption tank 1302 connected with the buffer tank 1301.
Preferably, in this embodiment, the output end of the mixer 9 has two branch lines, which are respectively:
a mixed gas first output line 901 and a mixed gas second output line 902;
the mixer 9 is connected to the reactor 1101 through a mixed gas first output line 901 to supply the mixed gas into the reactor 1101;
the mixer 9 is connected to the chromatography system 12 via a mixed gas second output line 902 to deliver the mixed gas to the chromatography system 12.
Preferably, the output end of the gas-liquid separation tank 1104 in this embodiment has two branch lines, which are a first line 1105 and a second line 1106;
the gas-liquid separation tank 1104 is connected with the chromatographic system 12 through a first line 1105 so as to convey tail gas to the chromatographic system 12, and the tail gas treated by the chromatographic system 12 is conveyed to the alkali liquor absorption tank 1302 through the buffer tank 1301 and then is discharged to the outside after alkali washing;
the gas-liquid separation tank 1104 is connected with the buffer tank 1301 through a second line 1106, and the tail gas is conveyed to the lye absorption tank 1302 through the buffer tank 1301, and the tail gas after the lye washing is discharged to the outside.
Preferably, the chromatographic system 12 in this embodiment employs a gas chromatograph capable of analyzing sulfides.
Preferably, in this embodiment, the pipelines, the tank body, and the valves in the gas supply system are all made of 316L;
the materials of pipelines, tanks and valves in the water supply system are all 316L;
the materials of pipelines, tanks and valves in the reaction system are all 316L;
the materials of pipelines, tanks and valves in the tail gas treatment system are all 316L.
The 316L is used as the material of pipelines, tanks and valves, so that the adsorption of sulfur compounds can be reduced. In addition, the buffer tank of the present embodiment is preferably a buffer tank with a liquid level indication.
The first embodiment is as follows:
when the Claus activity of the sulfur production catalyst was evaluated by using the multifunctional sulfur recovery catalyst evaluation apparatus of this example, a high concentration was required at the inlet in terms of the percentage content in terms of H2S、SO2、N2As a gas source, H2O is pumped in, H2S、SO2、N2After being decompressed by respective decompression valves 5, enter respective filters (i.e. the above-mentioned SO)2 Gas filter 101, H2 S gas filter 201, N2Gas filter 301), dust and impurity in the gas are filtered through each filter, connect ball valve or stop valve behind the filter, connect mass flow meter 7 behind the valve 6 in order to control each line gas's flow accurately, and utilize check valve 8 to be connected with blender 9 behind mass flow meter 7, avoid gaseous refluence, three gas lines of this embodiment one converge in blender 9, get into reactor 1101 after mixing, the product that comes out from reactor 1101 gets into trap 1102, get into condenser 1103 after the trap cools off moisture and then gets into gas-liquid separation jar 1104 and further carry out gas-liquid separation, the gas that gas-liquid separation jar 1104 came out gets into chromatographic system 12 and carries out the chromatography.
Example two:
when the multifunctional sulfur recovery catalyst evaluation device of the embodiment is used for evaluating the oxygen removal leakage activity of the sulfur production catalyst, the inlet requires high concentration, and the content is calculated by percentage and is calculated by H2S、SO2、N2、O2(the other gas in the gas line is O2) As a gas source, H2O is N2Entering in a portable manner, H2S、SO2、N2、O2After being decompressed by respective decompression valves 5, enter respective filters (i.e. the above-mentioned SO)2Gas filter 101, H2S gas filter 201, N2Gas filter 301, other gas filter 401), dust and impurity in the gas are filtered through respective filter, connect ball valve or stop valve behind the filter, connect mass flow meter 7 behind the valve 6 in order to control each line gas's flow accurately, and utilize check valve 8 and blender 9 to be connected behind mass flow meter 7, avoid the gas refluence, four gas lines of this embodiment are collected in blender 9, get into reactor 1101 after the mixture, the product that comes out from reactor 1101 gets into trap 1102, get into condenser 1103 after the trap cools off the moisture and then get into gas-liquid separation jar 1104 and further carry out gas-liquid separation, the gas that gas-liquid separation jar 1104 came out gets into chromatographic system 12 and carries out the chromatography.
Example three:
when the hydrolysis activity of the sulfur production catalyst was evaluated by using the multifunctional sulfur recovery catalyst evaluation apparatus of this example, a high concentration was required at the inlet in terms of the percentage content in terms of H2S、SO2、N2、CS2(the other gas in the gas line is CS2) As a gas source, H2O is pumped in, H2S、SO2、N2、CS2After being decompressed by respective decompression valves 5, enter respective filters (i.e. the above-mentioned SO)2Gas filter 101, H2S gas filter 201, N2Gas filter 301, other gas filter 401), filter dust and impurity in the gas through respective filter, connect ball valve or stop valve behind the filter, connect mass flow meter 7 behind the valve 6 in order to control each gaseous flow in line accurately to utilize check valve 8 to be connected with blender 9 behind mass flow meter 7, avoid the gas refluence, four gas lines of this embodiment are gathered in blender 9, get into reactor 1101 after the mixture, from reactor 11The product from 01 enters a catcher 1102, after being caught, enters a condenser 1103 to cool moisture, then enters a gas-liquid separation tank 1104 to further perform gas-liquid separation, and the gas from the gas-liquid separation tank 1104 enters a chromatographic system 12 to perform chromatographic analysis.
Example four:
when the conversion and selectivity of the selective oxidation catalyst were evaluated by using the multifunctional sulfur recovery catalyst evaluation apparatus of this example, a high concentration was required at the inlet in terms of the percentage content in terms of H2S、SO2、N2、CO2CO (CO is the gas in other gas lines)2And CO) as a gas source, H2O is N2Entering in a portable manner, H2S、SO2、N2、CO2CO is decompressed by the respective decompression valves 5 and then enters the respective filters (i.e. the SO mentioned above)2Gas filter 101, H2S gas filter 201, N2Gas filter 301, other gas filter 401), dust and impurity in the gas are filtered through respective filter, connect ball valve or stop valve behind the filter, connect mass flow meter 7 behind the valve 6 in order to accurately control the gaseous flow of each line, and utilize check valve 8 and blender 9 to be connected behind mass flow meter 7, avoid gaseous refluence, five gas lines of this embodiment are gathered in blender 9, get into reactor 1101 after the mixture, the product that comes out from reactor 1101 gets into trap 1102, get into condenser 1103 after the trap cools off the moisture and then get into gas-liquid separation jar 1104 and further carry out gas-liquid separation, the gas that gas-liquid separation jar 1104 came out gets into chromatographic system 12 and carries out the chromatography.
Example five:
when the multifunctional sulfur recovery catalyst evaluation device of the embodiment is used for evaluating the hydrogenation activity and the hydrolysis activity of the tail gas hydrogenation catalyst, the inlet requires high concentration, and the content is calculated by percentage content in terms of H2S、SO2、N2、CS2、CO、H2(the other gas in the gas line is CS2、CO、H2) As a gas source, H2O is pumped in, H2S、SO2、N2、CS2、CO、H2After being decompressed by respective decompression valves 5, enter respective filters (i.e. the above-mentioned SO)2Gas filter 101, H2S gas filter 201, N2Gas filter 301, other gas filter 401), dust and impurity in the gas are filtered through respective filter, connect ball valve or stop valve behind the filter, connect mass flow meter 7 behind the valve 6 in order to accurately control the gaseous flow of each line, and utilize check valve 8 and blender 9 to be connected behind mass flow meter 7, avoid gaseous refluence, the six gas lines of this embodiment are gathered in blender 9, get into reactor 1101 after the mixture, the product that comes out from reactor 1101 gets into trap 1102, get into condenser 1103 after the trap cools off the moisture and then get into gas-liquid separation jar 1104 and further carry out gas-liquid separation, the gas that gas-liquid separation jar 1104 came out gets into chromatographic system 12 and carries out the chromatography.
Example six:
when the multifunctional sulfur recovery catalyst evaluation device of the embodiment is used for evaluating the hydrolysis activity of the natural gas organic sulfur hydrolysis catalyst, the inlet requirement is low concentration, and the content is calculated by ppm and calculated by COS and CO2、CS2、N2As a gas source, H2O is N2Entering in a carrying mode; first of all, adopt N2Purging the pipeline and the COS and CO after purging2、CS2、N2The four gas lines of the embodiment are collected in a mixer 9, mixed and then enter a reactor 1101, a product from the reactor 1101 enters a trap 1102, the product from the reactor 1101 is trapped and then enters a condenser 1103 for cooling moisture and then enters a gas-liquid separation tank 1104 for further gas-liquid separation, and the gas from the gas-liquid separation tank 1104 enters a chromatographic system 12 for chromatographic analysis.
In the technical scheme, the utility model provides a pair of multi-functional sulphur recovery catalyst evaluation device has following beneficial effect:
the utility model discloses an evaluation device both can evaluate the entry and require the catalyst activity of high concentration, can evaluate the entry again and require the catalyst activity of low concentration, simultaneously, can also utilize the buffer tank to avoid because the pipeline blocks up the risk that the chromatograph that causes easily behind the alkali lye absorption tank damages.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The multi-functional sulfur recovery catalyst evaluation device is characterized by comprising:
a gas supply system to quantitatively deliver gas downstream of the process;
the water supply system quantitatively supplies water to the process downstream through a water containing bottle (1001) and a metering pump (1002) which are sequentially arranged according to the process flow;
a reaction system located downstream of the gas supply system and the water supply system processes;
a tail gas treatment system located downstream of the reaction system process; and
a chromatography system (12);
the process upstream of the reaction system is provided with a mixer (9), and the mixer (9) is used for receiving the gas delivered by the gas supply system and mixing the gas to form mixed gas;
part of mixed gas output by the mixer (9) enters the tail gas treatment system after being treated by the chromatographic system (12), and part of mixed gas output by the mixer (9) is conveyed to the reaction system;
and part of tail gas output by the reaction system enters the tail gas treatment system after being treated by the chromatographic system (12).
2. The multifunctional sulfur recovery catalyst evaluation device according to claim 1, wherein the gas supply system comprises a plurality of gas supply lines connected in parallel, the plurality of gas supply lines being respectively:
for feeding SO to the mixer (9)2SO of gas2A gas supply line (1);
for feeding H to the mixer (9)2H of S gas2S gas supply line (2);
for feeding N to the mixer (9)2N of gas2A gas supply line (3); and
a further gas supply line (4) for delivering a further gas to the mixer (9);
the SO2The gas supply line (1) has SO2Gas supply tank (101) and SO2SO with gas supply tank (101) connected by pressure reducing valve (5)2Gas filter (102), the SO2The process downstream of the gas filter (102) is connected with a mass flow meter (7) through a valve (6), and the process downstream end of the mass flow meter (7) is connected with the mixer (9) through a one-way valve (8);
said H2The S gas supply line (2) has H2S gas supply tank (201) and the H2H connected with S gas supply tank (201) through pressure reducing valve (5)2S gas filter (202), said H2The process downstream of the S gas filter (202) is connected with a mass flow meter (7) through a valve (6), and the process downstream end of the mass flow meter (7) is connected with the mixer (9) through a one-way valve (8);
said N is2The gas supply line (3) has N2A gas supply tank (301) and the N2N with gas supply tanks (301) connected by a pressure reducing valve (5)2A gas filter (302), said N2The process downstream of the gas filter (302) is connected with a mass flow meter (7) through a valve (6), and the process downstream end of the mass flow meter (7) is connected with the mixer (9) through a one-way valve (8)And (4) connecting.
3. The multifunctional sulfur recovery catalyst evaluation device according to claim 2, wherein the other gas supply line (4) is one or more;
the other gas supply line (4) is provided with an other gas supply tank (401), an other gas filter (402) connected with the other gas supply tank (401) through a pressure reducing valve (5), a mass flow meter (7) is connected with the process downstream of the other gas filter (402) through a valve (6), and the process downstream end of the mass flow meter (7) is connected with the mixer (9) through a one-way valve (8);
said N is2N of gas supply line (3)2Process downstream of gas filter (302) has multiple N2A gas branch line (303);
said N is2A gas supply line (3) passes through N2Gas branch lines (303) are connected to the SO respectively2Gas supply line (1), H2And the S gas supply line (2) and the other gas supply lines (4) are connected.
4. The multifunctional sulfur recovery catalyst evaluation device according to claim 3, wherein the valve (6) is a ball valve or a stop valve.
5. The multifunctional sulfur recovery catalyst evaluation device according to claim 3, wherein the reaction system comprises:
a reactor (1101) for receiving the mixed gas output by the mixer (9) and the water output by the water supply system;
a trap (1102) located downstream of the reactor (1101) process and connected to the reactor (1101);
a condenser (1103) connected to the trap (1102); and
and a gas-liquid separation tank (1104) connected to the condenser (1103).
6. The multifunctional sulfur recovery catalyst evaluation device according to claim 5, wherein the exhaust gas treatment system comprises:
a buffer tank (1301) connected to the gas-liquid separation tank (1104); and
and the lye absorption tank (1302) is connected with the buffer tank (1301).
7. The multifunctional sulfur recovery catalyst evaluation device according to claim 6, wherein the output end of the mixer (9) has two branch lines, respectively:
a mixed gas first output line (901) and a mixed gas second output line (902);
the mixer (9) is connected with the reactor (1101) through the mixed gas first output line (901) to deliver mixed gas into the reactor (1101);
the mixer (9) is connected to the chromatography system (12) via the mixed gas second output line (902) for feeding mixed gas to the chromatography system (12).
8. The multifunctional sulfur recovery catalyst evaluation device according to claim 6, wherein the output end of the gas-liquid separation tank (1104) has two branch lines, namely a first line (1105) and a second line (1106);
the gas-liquid separation tank (1104) is connected with the chromatographic system (12) through the first line (1105) so as to convey tail gas to the chromatographic system (12), and the tail gas treated by the chromatographic system (12) is conveyed to the alkali liquor absorption tank (1302) through the buffer tank (1301) and then is discharged to the outside after being subjected to alkali washing;
the gas-liquid separation tank (1104) is connected with the buffer tank (1301) through the second line (1106), tail gas is conveyed to the alkali liquor absorption tank (1302) through the buffer tank (1301), and the tail gas after alkali washing is discharged to the outside.
9. The multifunctional sulfur recovery catalyst evaluation device according to claim 8, wherein the chromatography system (12) employs a gas chromatograph capable of analyzing sulfides.
10. The multifunctional sulfur recovery catalyst evaluation device of claim 1, wherein the materials of pipelines, tanks and valves in the gas supply system are all 316L;
the materials of pipelines, tanks and valves in the water supply system are all 316L;
the materials of pipelines, tanks and valves in the reaction system are all 316L;
the materials of pipelines, tanks and valves in the tail gas treatment system are all 316L.
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