CN219010224U - Water sealing device for sample gas pretreatment system at outlet of Lurgi coal gasifier - Google Patents
Water sealing device for sample gas pretreatment system at outlet of Lurgi coal gasifier Download PDFInfo
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- CN219010224U CN219010224U CN202223219746.0U CN202223219746U CN219010224U CN 219010224 U CN219010224 U CN 219010224U CN 202223219746 U CN202223219746 U CN 202223219746U CN 219010224 U CN219010224 U CN 219010224U
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Abstract
The utility model discloses a water sealing device for a sample gas pretreatment system at the outlet of a lurgi coal gasifier, which comprises a cylinder body, an upper cover and a lower cover arranged at the upper end and the lower end of the cylinder body, wherein an air pipe is arranged at the position corresponding to an air inlet in the cylinder body, the lower end of the air pipe is arranged at the lower end of the cylinder body, a one-way valve is arranged on a connector at the air inlet, the air inlet is connected with a parallel port of a washing tank through the connector, the air outlet is connected with an emptying header pipe through the connector, the air inlet is connected with the parallel port of the washing tank through the connector, when sample gas is discharged from the washing tank, the sample gas can move to a sampling port and the air inlet through the parallel outlet, so that the sample gas flow through the sampling port can be reduced, the excessive sample gas quantity is avoided, the risk of sample gas leakage can be reduced, the sample gas flowing to the air inlet can be avoided through the one-way valve, and the water is introduced into the cylinder body, thereby forming the effect of water sealing, so that the sampling pressure can be stabilized, and the safety of the system is ensured.
Description
Technical Field
The utility model relates to the field of sample gas collection, in particular to a water sealing device for a sample gas pretreatment system at an outlet of a lurgi coal gasifier.
Background
The utility model provides a form of lurgi coal gasifier is also known as fixed bed pressurized coal gasifier, the stove item has the coal feeder, the coal is calculated from the furnace roof and is discharged through the stove to the lime-ash, the gas that the lurgi coal gasifier discharged is raw gas, raw gas composition is comparatively complicated, contain a large amount of tar, dust, low boiling point organic matter, acidic material such as H2S and steam, have characteristics such as high viscosity, easy crystallization, high corrosivity, very easily cause on-line monitoring system to block up, corrode, can also gradually pollute the measuring chamber of instrument, produce very big influence to the measurement, on-line continuous monitoring system has the efficient deoiling, the sample gas preprocessing device of dust removal, the pressurize and the warm pressure of present sample gas preliminary treatment are all ensured by relief valve, the sample gas pressure that needs in the system of dilution method is very low, the relief valve is too difficult to adjust, the too much sample gas volume that uses under the prerequisite of guaranteeing the sample gas flow, the risk of sample gas leakage has been increased.
Disclosure of Invention
The utility model aims to solve the technical problems that the pressure maintaining and the temperature pressure of the existing sample gas pretreatment are ensured by a pressure reducing valve, the sample gas pressure required in a dilution method system is very low, the pressure reducing valve is too difficult to adjust, and the excessive sample gas quantity is used on the premise of ensuring the sample gas flow, so that the risk of sample gas leakage is increased.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a water seal arrangement for lurgi coal gasifier export sample gas pretreatment systems, including barrel and upper cover and the lower cover that sets up in both ends about the barrel, be equipped with air inlet, gas outlet and water inlet on the upper cover, air inlet, gas outlet and water inlet department all are equipped with the joint, be equipped with the trachea in the barrel with the position that the air inlet corresponds, tracheal upper end intercommunication air inlet, the lower extreme of barrel is arranged in to tracheal lower extreme, be equipped with the check valve on the joint of air inlet department, the air inlet passes through the parallel mouth of joint connection washing jar, the gas outlet passes through joint connection emptying house steward.
Through above-mentioned technical scheme, connect the parallel mouth of washing jar with the air inlet through the joint, when the sample gas is discharged from the washing jar, the sample gas can be through parallel outlet removal to sample connection and air inlet to can reduce the sample gas flow through the sample connection, avoid the excessive volume of sample gas, thereby can reduce the risk that the sample gas leaked, can be used for avoiding flowing to the sample gas backward flow of air inlet through the check valve, through letting in water in the barrel, thereby can form the effect of water seal, thereby can stabilize the sampling pressure, guarantee the safety of system.
The utility model is further provided with: the water inlet is connected with a water pipe through a joint, the highest water level of the cylinder is at two thirds of the position of the cylinder, the lower cover is provided with a water drain pipe, the water drain pipe is provided with a control valve, the water drain pipe is connected with a liquid draining main pipe, the lower surface of the lower cover is provided with a support, and the support is a stainless steel support.
Through above-mentioned technical scheme, can pour into water into the barrel through the water inlet, reserve the position in the upper end of barrel, can make things convenient for the sample gas to get into the gas outlet after discharging from aquatic, can discharge the water after using through the drain pipe, can be used for supporting the barrel through the support.
The beneficial effects of the utility model are as follows:
1. when the sample gas is discharged from the water washing tank, the sample gas can move to the sampling port and the air inlet through the parallel outlet, so that the sample gas flow through the sampling port can be reduced, the excessive sample gas is avoided, the risk of sample gas leakage can be reduced, the sample gas flowing to the air inlet can be avoided from flowing back through the one-way valve, the water seal effect can be formed by introducing water into the cylinder, the sampling pressure can be stabilized, and the safety of the system is ensured;
2. can pour into water into the barrel through the water inlet, reserve the position in the upper end of barrel, can make things convenient for the sample gas to get into the gas outlet after discharging from aquatic, can discharge the water after using through the drain pipe, can be used for supporting the barrel through the support.
Drawings
Fig. 1 is a front cross-sectional view of the present utility model.
In the figure: 1. a cylinder; 2. an upper cover; 3. a lower cover; 4. an air inlet; 5. an air outlet; 6. a water inlet; 7. an air pipe; 8. a joint; 9. a one-way valve; 10. a drain pipe; 11. and (3) a bracket.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Please refer to fig. 1, a water seal device for a lurgi coal gasifier export sample gas pretreatment system, including barrel 1 and upper cover 2 and lower cover 3 that set up in barrel 1 upper and lower both ends, be equipped with air inlet 4 on upper cover 2, gas outlet 5 and water inlet 6, air inlet 4, gas outlet 5 and water inlet 6 department all are equipped with joint 8, the position that corresponds with air inlet 4 in barrel 1 is equipped with trachea 7, the upper end intercommunication air inlet 4 of trachea 7, the lower extreme of barrel 1 is arranged in to the lower extreme of trachea 7, be equipped with check valve 9 on the joint 8 of air inlet 4 department, air inlet 4 passes through the parallel port that connects 8 to connect the rinsing jar, the air outlet 5 passes through joint 8 and connects the parallel port that the rinsing jar with air inlet 4, when the sample gas discharges from the rinsing jar, sample gas can move to sample mouth and air inlet 4 through the parallel outlet, thereby can reduce the sample gas flow through the sample mouth, avoid the volume of sample gas too much, thereby can reduce the risk that sample gas leaked, can be used for avoiding flowing to air inlet 4 through check valve 9 and flowing back, through the sample gas that lets in barrel 1, can be arranged in the lower extreme 7 in the trachea, can be directly let out the pressure can be guaranteed to the air inlet 5 through the air outlet 5 when can be arranged in the barrel through the air inlet 5, thereby can be let out from the pressure stable, can be guaranteed, and can be had the pressure can be had the inlet 5, and can be had the appearance.
As shown in figure 1, the water inlet 6 is connected with a water pipe through a joint 8, the highest water level of the cylinder 1 is at two thirds of the position of the cylinder 1, the lower cover 3 is provided with a water drain pipe 10, the water drain pipe 10 is provided with a control valve, the water drain pipe 10 is connected with a liquid drain main pipe, the lower surface of the lower cover 3 is provided with a bracket 11, the bracket 11 is a stainless steel bracket, water can be injected into the cylinder 1 through the water inlet 5, a reserved position is reserved at the upper end of the cylinder 1, sample gas can conveniently enter the air outlet 5 after being discharged from the water, meanwhile, water entering the air outlet 5 due to overlarge pressure in the cylinder 1 can be avoided, used water can be discharged through the water drain pipe 10, and the bracket 11 can be used for supporting the cylinder.
When the utility model is used, the air inlet 4 is connected with the parallel port of the washing tank through the connector 8, the air outlet 5 is connected with the emptying header pipe through the connector 8, water is injected into the cylinder 1 through the water inlet 5, when the sample gas is discharged from the washing tank, the sample gas can move to the sampling port and the air inlet 4 through the parallel outlet, so that the sample gas flow through the sampling port can be reduced, excessive sample gas is avoided, the risk of sample gas leakage can be reduced, the sample gas flowing to the air inlet 4 can be avoided through the one-way valve 9, water is introduced into the cylinder 1, the lower end of the air pipe 7 is arranged at the lower end of the cylinder 1, so that the sample gas can be directly introduced into the lower end of the cylinder 1, the water seal effect can be formed, the sampling pressure can be stabilized, the safety of the system can be ensured, the sample gas can enter the air outlet 5 when overflows from the water, the sample gas can be prevented from leaking into the emptying header pipe through the air outlet 5, the sample gas can be conveniently enter the air outlet 5 after being discharged from the water, meanwhile, the water can be prevented from entering the air outlet 5 through the reserved position at the upper end of the cylinder 1, the water outlet bracket 10 can be prevented from being used for supporting the water discharge through the water outlet 11.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The water sealing device for the sample gas pretreatment system at the outlet of the lurgi coal gasifier is characterized in that; including barrel (1) and upper cover (2) and lower cover (3) that set up in barrel (1) upper and lower both ends, be equipped with air inlet (4), gas outlet (5) and water inlet (6) on upper cover (2), air inlet (4), gas outlet (5) and water inlet (6) department all are equipped with joint (8), the position that corresponds with air inlet (4) in barrel (1) is equipped with trachea (7), the upper end intercommunication air inlet (4) of trachea (7), the lower extreme of barrel (1) is arranged in to the lower extreme of trachea (7), be equipped with check valve (9) on joint (8) of air inlet (4) department.
2. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the air inlet (4) is connected with a parallel port of the water washing tank through a joint (8).
3. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the air outlet (5) is connected with the emptying main pipe through a joint (8).
4. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the water inlet (6) is connected with a water pipe through a joint (8).
5. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the highest water level of the cylinder (1) is at two thirds of the position of the cylinder (1).
6. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the lower cover (3) is provided with a drain pipe (10), the drain pipe (10) is provided with a control valve, and the drain pipe (10) is connected with a liquid draining main pipe.
7. The water seal device for a lurgi gasifier outlet sample gas pretreatment system of claim 1, wherein: the lower surface of lower cover (3) is equipped with support (11), support (11) are stainless steel support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223219746.0U CN219010224U (en) | 2022-12-02 | 2022-12-02 | Water sealing device for sample gas pretreatment system at outlet of Lurgi coal gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223219746.0U CN219010224U (en) | 2022-12-02 | 2022-12-02 | Water sealing device for sample gas pretreatment system at outlet of Lurgi coal gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219010224U true CN219010224U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223219746.0U Active CN219010224U (en) | 2022-12-02 | 2022-12-02 | Water sealing device for sample gas pretreatment system at outlet of Lurgi coal gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219010224U (en) |
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2022
- 2022-12-02 CN CN202223219746.0U patent/CN219010224U/en active Active
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