CN208512189U - A kind of sulphur-containing exhaust gas processing system - Google Patents
A kind of sulphur-containing exhaust gas processing system Download PDFInfo
- Publication number
- CN208512189U CN208512189U CN201821004717.3U CN201821004717U CN208512189U CN 208512189 U CN208512189 U CN 208512189U CN 201821004717 U CN201821004717 U CN 201821004717U CN 208512189 U CN208512189 U CN 208512189U
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- Prior art keywords
- pipeline
- nitrogen
- control valve
- exhaust gas
- sulphur
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Abstract
A kind of sulphur-containing exhaust gas processing system, removing part sulphur in trap is entered from the sulphur-containing exhaust gas being discharged in sulphur unit through sulphur-containing exhaust gas discharge pipe line, then it is divided into two-way by tee tube, it is sent in hydrogenation reaction device and is reacted by the pipeline I with control valve I all the way, another way is sent to discharged in burning in incinerator by the pipeline II with control valve II；It is provided with control valve III on pipeline II, and is communicated with nitrogen closing pipeline on the pipeline between control valve III and control valve II.The utility model is formed except bivalve control dual fail-safe by increasing a control valve on the pipeline for lead to incinerator, increase nitrogen closing pipeline also between two control valves, by the way that nitrogen is added thereto, to be sealed to pipeline, prevent the unexpected discharge of sulphur-containing exhaust gas, and nitrogen closing pipeline forms certain pressure between two control valves, forms second quarantine measures, the leakage of control valve can be effectively prevented.
Description
Technical field
The utility model relates to the sulphur unit into petrochemical industry, specifically a kind of sulphur-containing exhaust gas processing system
System.
Background technique
At present the sulphur unit of my company's Luoyang Company load be higher than 70%, stokehold system pressure be higher than 30kPa when,
Existing molten sulfur pond sulphur-containing exhaust gas cannot be handled into acid steam stove, tail gas funnel SO2Concentration of emission is higher than 200mg/m3, Bu Nengda
It is less than 200mg/m to what general headquarters proposed3It is required that.In order to solve this problem, existing processing mode is, as shown in Figure 1, will contain
Sulphur gas exhaust gas normally removes part sulphur after trap, and remaining sulphur-containing exhaust gas is divided into two-way, a-road-through by tee tube
It crosses the pipeline I with control valve I and is sent in hydrogenation reaction device and react, removed to convert hydrogen sulfide for remaining sulphur；Separately
Discharged in burning in incinerator is sent to by the pipeline II with control valve II all the way；Under normal circumstances, by incinerator this
Road is to close, and only in the reactor for needing to overhaul hydrogenation reaction device, during shutting down or other abnormal conditions occurs
When, just opening the second tunnel makes sulphur-containing exhaust gas enter incinerator, after burning, is discharged into atmosphere.
In actual production, there may be controls for sulphur-containing exhaust gas to incinerator process for this processing mode to sulphur-containing exhaust gas
The leakage problem of valve, after leaking, the higher exhaust gas of sulfur-bearing, into atmosphere, is caused containing two by the smoke stack emission of incinerator
Sulfur oxide and hydrogen sulfide are exceeded, pollute environment.
Utility model content
For the leakage problem for solving control valve in existing sulphur-containing exhaust gas processing mode, the utility model provides a kind of sulfur-bearing
Exhaust treatment system is formed except bivalve control dual fail-safe, also by increasing a control valve on the pipeline for lead to incinerator
Increase nitrogen closing pipeline between two control valves, by the way that nitrogen is added thereto, to be sealed to pipeline, it is therefore prevented that contain
The unexpected discharge of sulphur exhaust gas.
Technical solutions adopted by the utility model to solve the above technical problems are as follows: a kind of sulphur-containing exhaust gas processing system,
Including trap and incinerator, wherein the sulphur-containing exhaust gas being discharged from sulphur unit is entered through sulphur-containing exhaust gas discharge pipe line and caught
Part sulphur is removed in storage, is then divided into two-way by tee tube, is sent to all the way by the pipeline I with control valve I plus hydrogen is anti-
It answers in device and reacts, another way is sent to discharged in burning in incinerator by the pipeline II with control valve II；On the pipeline II
It is provided with control valve III, and is communicated with nitrogen closing pipeline, the nitrogen on the pipeline between control valve III and control valve II
Closing pipeline is connect with source nitrogen, and compressed nitrogen is sent in pipeline II and is discharged through incinerator, in the process, compressed nitrogen
Gas closes pipeline II, to prevent sulphur-containing exhaust gas to be discharged through pipeline II and incinerator；Along nitrogen stream on the nitrogen closing pipeline
To being disposed with regulating valve, flowmeter and control valve IV.
In the utility model, pressure gauge, and pressure gauge are connected on the pipeline between the control valve III and control valve II
Position be located on the direction of nitrogen flow, to measure the pressure of nitrogen.
In the utility model, the both ends of regulating valve are parallel with the auxiliary of the maintenance with control valve V on the nitrogen closing pipeline
Pipeline controls before being provided on overhauling the nitrogen closing pipeline between auxiliary line and two tie points of nitrogen closing pipeline
Valve and rear control valve, and preceding control valve and rear control valve are located at the two sides of regulating valve.
In the utility model, the nitrogen closing pipeline is connected to by a sealing valve with pipeline II, and the sealing valve includes
Triple-valve body is provided with exhaust gas inlet, nitrogen inlet and waste gas outlet, and exhaust gas inlet and waste gas outlet position on triple-valve body
In on same straight line, nitrogen inlet is vertical with the line of the two, is provided on the side wall of exhaust gas inlet in nitrogen inlet
One supporting plate, rotation is provided with a valve plate on supporting plate, and valve plate closes nitrogen inlet under the pulling force of a connecting spring, the valve plate
Greater than exhaust gas inlet, to make it that the pulling force of connecting spring be overcome to rotate when being filled with nitrogen in nitrogen inlet around supporting plate, in turn
By the access truncation between exhaust gas inlet and waste gas outlet.
The utility model has the advantages that the utility model forms bivalve control by increasing a control valve on the pipeline for lead to incinerator
Except dual fail-safe, increase nitrogen closing pipeline also between two control valves, by the way that nitrogen is added thereto, pipeline is carried out
Sealing, it is therefore prevented that the unexpected discharge of sulphur-containing exhaust gas, and also nitrogen closing pipeline can form a level pressure between two control valves
Power forms second quarantine measures for sulphur-containing exhaust gas, the leakage of control valve can be effectively prevented；By adding flow
Meter can monitor pressure size by adding pressure gauge convenient for monitoring nitrogen amount, with this to determine whether leakage, passes through adjusting
Valve can control the size of nitrogen flow.
Detailed description of the invention
Fig. 1 is existing sulphur-containing exhaust gas processing flow schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of airtight valve；
Appended drawing reference: 1, sulphur-containing exhaust gas discharge pipe line, 2, trap, 3, pipeline I, 301, control valve I, 4, hydrogenation reaction dress
It sets, 5, tee tube, 6, pipeline II, 601, control valve II, 602, control valve III, 7, incinerator, 8, nitrogen closing pipeline, 801, tune
Section valve, 802, flowmeter, 803, control valve IV, 804, maintenance auxiliary line, 805, control valve V, 806, preceding control valve, 807,
Control valve afterwards, 9, airtight valve, 901, triple-valve body, 902, exhaust gas inlet, 903, nitrogen inlet, 904, waste gas outlet, 905, branch
Plate, 906, valve plate, 907, connecting spring, 10, pressure gauge.
Specific embodiment
The technical solution of the utility model is further elaborated with attached drawing combined with specific embodiments below.
As illustrated in fig. 1 and 2, a kind of sulphur-containing exhaust gas processing system, including trap 2 and incinerator 7, wherein filled from sulphur
The sulphur-containing exhaust gas for setting discharge enters removing part sulphur in trap 2 through sulphur-containing exhaust gas discharge pipe line 1, then passes through tee tube
5 points are two-way, are sent in hydrogenation reaction device 4 react by the pipeline I 3 with control valve I 301 all the way, another way passes through band
The pipeline II 6 of control valve II 601 is sent to discharged in burning in incinerator 7；Control valve III 602 is provided on the pipeline II 6, and
Be communicated with nitrogen closing pipeline 8 on pipeline between control valve III 602 and control valve II 601, the nitrogen closing pipeline 8 with
Source nitrogen connection, compressed nitrogen is sent in pipeline II 6 and is discharged through incinerator 7, and in the process, compressed nitrogen is by pipeline
II 6 closings, to prevent sulphur-containing exhaust gas to be discharged through pipeline II 6 and incinerator 7；On the nitrogen closing pipeline 8 along nitrogen flow to according to
It is secondary to be provided with regulating valve 801, flowmeter 802 and control valve IV 803.
In the utility model, it is connected with pressure gauge 10 on the pipeline between the control valve III 602 and control valve II 601,
And the position of pressure gauge 10 is located on the direction of nitrogen flow, to measure the pressure of nitrogen；For example, on pipeline II 6, control
Valve II 601 is close to incinerator 7, and for control valve III 602 close to tee tube 5, nitrogen closing pipeline 8 and the tie point of pipeline II 6 are close
Control valve III 602, the tie point of pressure gauge 10 is close to control valve II 601.
In the utility model, the both ends of regulating valve 801 are parallel with control valve V 805 on the nitrogen closing pipeline 8
Auxiliary line 804 is overhauled, the nitrogen closing pipe between maintenance auxiliary line 804 and two tie points of nitrogen closing pipeline 8
Preceding control valve 806 and rear control valve 807 are provided on line 8, and preceding control valve 806 and rear control valve 807 are located at regulating valve
801 two sides；One tie point of maintenance auxiliary line 804 and nitrogen closing pipeline 8 is between regulating valve 801 and source nitrogen
Pipeline on, another tie point is on the pipeline between regulating valve 801 and flowmeter 802.
In the utility model, the nitrogen closing pipeline 8 is connected to by a sealing valve 9 with pipeline II 6, as shown in figure 3, institute
Stating sealing valve 9 includes triple-valve body 901, and exhaust gas inlet 902, nitrogen inlet 903 and exhaust gas are provided on triple-valve body 901 and is gone out
Mouth 904, and exhaust gas inlet 902 is located along the same line with waste gas outlet 904, nitrogen inlet 903 is vertical with the line of the two,
A supporting plate 905 is provided in nitrogen inlet 903 on the side wall of exhaust gas inlet 902, rotation is provided with a valve plate on supporting plate 905
906, valve plate 906 closes nitrogen inlet 903 under the pulling force of a connecting spring 907, and the valve plate 906 is greater than exhaust gas inlet
902, to make it that the pulling force of connecting spring 907 be overcome to rotate when being filled with nitrogen in nitrogen inlet 903 around supporting plate 905, in turn
By the access truncation between exhaust gas inlet 902 and waste gas outlet 904.
Claims (4)
1. a kind of sulphur-containing exhaust gas processing system, including trap (2) and incinerator (7), wherein what is be discharged from sulphur unit contains
Sulphur exhaust gas enters through sulphur-containing exhaust gas discharge pipe line (1) and removes part sulphur in trap (2), is then divided by tee tube (5)
Two-way is sent to reaction, another way in hydrogenation reaction device (4) by the pipeline I (3) with control valve I (301) all the way and passes through band
The pipeline II (6) of control valve II (601) is sent to incinerator (7) interior discharged in burning；It is characterized by: on the pipeline II (6)
It is provided with control valve III (602), and is communicated with nitrogen envelope on the pipeline between control valve III (602) and control valve II (601)
Stopped pipe line (8), the nitrogen closing pipeline (8) connect with source nitrogen, and compressed nitrogen is sent in pipeline II (6) through burning
Furnace (7) discharge, in the process, compressed nitrogen closes pipeline II (6), to prevent sulphur-containing exhaust gas through pipeline II (6) and burn
Furnace (7) discharge；On the nitrogen closing pipeline (8) along nitrogen flow direction be disposed with regulating valve (801), flowmeter (802) and
Control valve IV (803).
2. a kind of sulphur-containing exhaust gas processing system according to claim 1, it is characterised in that: the control valve III (602) and
It is connected on pipeline between control valve II (601) pressure gauge (10), and the position of pressure gauge (10) is located at the side of nitrogen flow
Upwards, to measure the pressure of nitrogen.
3. a kind of sulphur-containing exhaust gas processing system according to claim 1, it is characterised in that: the nitrogen closing pipeline (8)
The both ends of upper regulating valve (801) are parallel with the maintenance auxiliary line (804) with control valve V (805), in maintenance auxiliary line
(804) preceding control valve (806) are provided on the nitrogen closing pipeline (8) between two tie points of nitrogen closing pipeline (8)
With rear control valve (807), and preceding control valve (806) and rear control valve (807) are located at the two sides of regulating valve (801).
4. a kind of sulphur-containing exhaust gas processing system according to claim 1, it is characterised in that: the nitrogen closing pipeline (8)
It is connected to by a sealing valve (9) with pipeline II (6), the sealing valve (9) includes triple-valve body (901), in triple-valve body (901)
On be provided with exhaust gas inlet (902), nitrogen inlet (903) and waste gas outlet (904), and exhaust gas inlet (902) and waste gas outlet
(904) be located along the same line, nitrogen inlet (903) with both line it is vertical, in nitrogen inlet (903) close to exhaust gas into
It is provided with a supporting plate (905) on the side wall of mouth (902), rotation is provided with a valve plate (906) on supporting plate (905), and valve plate (906) exists
Nitrogen inlet (903) to be closed under the pulling force of one connecting spring (907), the valve plate (906) is greater than exhaust gas inlet (902), from
And make it that the pulling force of connecting spring (907) be overcome to rotate when being filled with nitrogen in nitrogen inlet (903) around supporting plate (905), in turn
By the access truncation between exhaust gas inlet (902) and waste gas outlet (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004717.3U CN208512189U (en) | 2018-06-28 | 2018-06-28 | A kind of sulphur-containing exhaust gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004717.3U CN208512189U (en) | 2018-06-28 | 2018-06-28 | A kind of sulphur-containing exhaust gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208512189U true CN208512189U (en) | 2019-02-19 |
Family
ID=65336902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821004717.3U Expired - Fee Related CN208512189U (en) | 2018-06-28 | 2018-06-28 | A kind of sulphur-containing exhaust gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208512189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594715A (en) * | 2021-01-13 | 2021-04-02 | 中国石油天然气集团有限公司 | Efficient sealing and purging program-controlled switching system of heat storage combustion device |
-
2018
- 2018-06-28 CN CN201821004717.3U patent/CN208512189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594715A (en) * | 2021-01-13 | 2021-04-02 | 中国石油天然气集团有限公司 | Efficient sealing and purging program-controlled switching system of heat storage combustion device |
| CN112594715B (en) * | 2021-01-13 | 2024-03-29 | 中国石油天然气集团有限公司 | High-efficiency sealing and purging program-controlled switching system of heat accumulating combustion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 Termination date: 20190628 |