CN215525234U - Steam sampling and separating system - Google Patents
Steam sampling and separating system Download PDFInfo
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- CN215525234U CN215525234U CN202120926953.6U CN202120926953U CN215525234U CN 215525234 U CN215525234 U CN 215525234U CN 202120926953 U CN202120926953 U CN 202120926953U CN 215525234 U CN215525234 U CN 215525234U
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Abstract
The utility model discloses a steam sampling and separating system, which comprises a sampling cooler for cooling steam by cooling water and a sampling separator for performing gas-liquid separation on condensate generated by the sampling cooler; a monitoring mechanism for monitoring the cooling condition of the condensed liquid in real time is connected between the sampling cooler and the sampling separator; the top of the sampling separator is communicated with a non-condensable gas sampling port, and the bottom of the sampling separator is communicated with a condensed liquid sampling port; the sampling separator is also connected with a liquid level meter for monitoring the liquid level of the sampling separator; a condensate flow meter for monitoring the flow of condensate is arranged between the sampling separator and the condensate sampling port; the utility model can conveniently and effectively collect the non-condensable gas in the steam, can monitor the quality of the steam in real time on line, provides an analysis basis for the operation condition of the steam production equipment, can discover the tiny leakage of the byproduct steam equipment as soon as possible, and has high practicability.
Description
Technical Field
The embodiment of the utility model belongs to the technical field of steam cooling, sampling and separating, and particularly relates to a steam sampling and separating system.
Background
In the chemical production process, some reaction heat is often utilized to produce steam as a byproduct, and heat is recycled, so that the aims of saving energy and reducing consumption are fulfilled. The byproduct steam is produced by a steam drum, a waste boiler, a superheater and the like. When the quality of the byproduct steam and the running state of the byproduct steam equipment are detected, the produced steam is generally analyzed by chemical examination, and a condensation method is generally adopted for steam analysis and sampling. Therefore, a steam sampling and separating device which can conveniently and effectively collect non-condensable gas in steam, can monitor the quality of the steam in real time on line, provides an analysis basis for the operation condition of steam production equipment and can find tiny leakage of byproduct steam equipment as soon as possible is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of the above drawbacks or needs of the prior art, the present invention provides a steam sampling and separating system, including a sampling cooler for cooling steam with cooling water and a sampling separator for separating condensate generated by the sampling cooler into gas and liquid; the top of the sampling separator is communicated with a non-condensable gas sampling port, and the bottom of the sampling separator is communicated with a condensed liquid sampling port; the cooling condition of condensed liquid is monitored in real time by arranging a monitoring mechanism between a sampling cooler and a sampling separator, the change of the liquid level of the sampling separator is monitored in real time by connecting a liquid level meter on the sampling separator, when the liquid level of the sampling separator is found to be continuously reduced, a non-condensable gas discharge valve at the top of the sampling separator is opened to sample and analyze the non-condensable gas, the structure is simple, the design is ingenious and reasonable, the non-condensable gas in steam can be conveniently and effectively collected, the quality of the steam can be monitored in real time on line, an analysis basis is provided for the running condition of steam production equipment, the non-condensable gas can be discovered early when the byproduct steam equipment leaks slightly, and the problems that the non-condensable gas in the steam cannot be conveniently and effectively collected and sampled when the existing steam analysis sampling method is adopted, and the non-condensable gas is difficult to be discovered in time when the byproduct steam equipment leaks slightly are solved, has high practicability.
In order to achieve the above object, the present invention provides a steam sampling and separating system, comprising a sampling cooler for cooling steam with cooling water and a sampling separator for separating a condensate generated by the sampling cooler into a gas and a liquid; wherein the content of the first and second substances,
a monitoring mechanism for monitoring the cooling condition of the condensed liquid in real time is connected between the sampling cooler and the sampling separator;
the top of the sampling separator is communicated with a non-condensable gas sampling port, and the bottom of the sampling separator is communicated with a condensed liquid sampling port;
the sampling separator is also connected with a liquid level meter for monitoring the liquid level of the sampling separator;
and a condensate flow meter for monitoring the flow of condensate is arranged between the sampling separator and the condensate sampling port.
Further, one side of the sampling cooler is connected with a nitrogen inlet and a steam inlet, and the nitrogen inlet is used for inputting nitrogen by system replacement during maintenance;
the nitrogen inlet and the steam inlet merge at the input of the sampling cooler;
and the other side of the sampling cooler is connected with a cooling water inlet and a cooling water outlet.
Furthermore, a first nitrogen valve, a nitrogen displacement pipeline one-way valve and a second nitrogen valve are sequentially connected between the nitrogen inlet and the sampling cooler, and the nitrogen displacement pipeline one-way valve is used for preventing steam from reversely flowing into the nitrogen pipeline.
Furthermore, a first steam pipeline sampling valve and a second steam pipeline sampling valve are sequentially arranged between the steam inlet and the sampling cooler;
and the output end of the second nitrogen valve is connected with the output end of the second steam pipeline sampling valve.
Further, the monitoring mechanism comprises a condensate thermometer and a condensate pressure gauge.
Furthermore, a condensate outlet of the sampling cooler is connected with an inlet of the sampling separator through a condensate outlet pipeline;
and a condensate pipeline valve is arranged on the condensate outlet pipeline.
Further, a non-condensable gas discharge valve is arranged between the sampling separator and the non-condensable gas sampling port;
and a condensate discharge valve is arranged between the condensate flowmeter and the condensate sampling port.
Furthermore, a cooling water inlet gate valve is arranged between the cooling water inlet and the sampling cooler;
and a cooling water outlet gate valve is arranged between the cooling water outlet and the sampling cooler.
Furthermore, a sampling cooler sleeve is arranged in the sampling cooler.
Furthermore, the output end of the replacement nitrogen pipeline one-way valve and the input end of the second nitrogen valve are also connected with a pilot shower.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) according to the steam sampling and separating system, the cooling condition of the condensate liquid is monitored in real time by arranging the monitoring mechanisms such as the condensate thermometer, the condensate pressure gauge and the like between the steam sampling cooler and the sampling separator, the change of the liquid level of the sampling separator is monitored in real time by connecting the liquid level meter to the sampling separator, when the liquid level of the sampling separator is found to be continuously reduced, the non-condensable gas discharge valve at the top of the sampling separator is opened to sample and analyze non-condensable gas, the steam sampling and separating system is simple in structure and ingenious and reasonable in design, can conveniently and effectively collect the non-condensable gas in steam, can monitor the quality of the steam in real time on line, provides an analysis basis for the operation condition of steam production equipment, can be found early when the byproduct steam equipment is slightly leaked, and solves the problems that the non-condensable gas in the steam cannot be conveniently and effectively collected and sampled when the existing steam analysis and sampling method is adopted, and, The problem that the leakage of the byproduct steam equipment is difficult to find in time is very practical.
(2) According to the steam sampling and separating system, the nitrogen inlet and the steam inlet are connected to one side of the sampling cooler, and the nitrogen inlet is used for replacing and inputting nitrogen during system maintenance; the nitrogen inlet and the steam inlet are converged at the input end of the sampling cooler; a first nitrogen valve, a nitrogen displacement pipeline one-way valve and a second nitrogen valve are sequentially arranged between the nitrogen inlet and the sampling cooler; a first steam pipeline sampling valve and a second steam pipeline sampling valve are sequentially arranged between the steam inlet and the sampling cooler, and the output end of the second nitrogen valve is connected with the output end of the second steam pipeline sampling valve; the arrangement of the one-way valve of the replacement nitrogen pipeline can prevent steam from entering the nitrogen pipeline in a countercurrent manner, and the nitrogen pipeline replacement device is simple in structure and high in practicability.
(3) According to the steam sampling and separating system, the condensate flow meter is arranged between the sampling separator and the condensate sampling port, the flow of condensate is monitored, the external discharge capacity of the condensate is smaller than the maximum amount of liquid which can be condensed by steam, and the steam can continuously enter the sampling and separating system.
Drawings
FIG. 1 is a schematic structural diagram of a vapor sampling and separating system according to an embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1-sampling cooler, 11-sampling cooler sleeve, 12-nitrogen inlet, 121-first nitrogen valve, 122-nitrogen displacement pipeline one-way valve, 123-second nitrogen valve, 124-guide shower, 13-steam inlet, 131-first steam pipeline sampling valve, 132-second steam pipeline sampling valve, 14-cooling water inlet, 141-cooling water inlet gate valve, 15-cooling water outlet, 151-cooling water outlet gate valve, 16-condensate outlet pipeline, 161-condensate pipeline valve, 17-condensate thermometer, 18-condensate pressure gauge, 2-sampling separator, 21-non-condensate sampling port, 211-non-condensate discharge valve, 221-condensate flow meter, 22-condensate sampling port, 221-condensate flow meter, 222-condensate drain valve, 23-liquid level meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "provided" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model provides a steam sampling and separating system, which comprises a sampling cooler 1 for cooling steam by cooling water and a sampling separator 2 for performing gas-liquid separation on condensate generated by the sampling cooler 1; a monitoring mechanism for monitoring the cooling condition of the condensed liquid in real time is connected between the sampling cooler 1 and the sampling separator 2; the sampling separator 2 is used for separating condensate and non-condensable gas, the top of the sampling separator is communicated with a non-condensable gas sampling port 21, and the bottom of the sampling separator is communicated with a condensate sampling port 22; the sampling separator 2 is also connected with a liquid level meter 23 for monitoring the liquid level of the sampling separator; the utility model monitors the cooling condition of the condensed liquid in real time by arranging the monitoring mechanism between the sampling cooler and the sampling separator, monitors the change of the liquid level of the sampling separator by the liquid level meter, opens the non-condensable gas discharge valve at the top of the sampling separator to sample and analyze the non-condensable gas when the liquid level of the sampling separator is continuously reduced, has simple structure and smart and reasonable design, can conveniently and effectively collect the non-condensable gas in the steam, can monitor the quality of the steam on line in real time, provides an analysis basis for the operation condition of steam production equipment, can be early discovered when the byproduct steam equipment is slightly leaked, solves the problems that the non-condensable gas in the steam cannot be conveniently and effectively collected and sampled when the existing steam analysis sampling method is adopted, and is difficult to be timely discovered when the byproduct steam equipment is slightly leaked, and has high practicability.
Further, as shown in fig. 1, a nitrogen inlet 12 and a steam inlet 13 are connected to one side of the sampling cooler 1, and the nitrogen inlet 12 is used for system replacement input nitrogen during maintenance; the nitrogen inlet 12 and the steam inlet 13 merge at the input of the sample cooler 1; the other side of the sampling cooler 1 is connected with a cooling water inlet 14 and a cooling water outlet 15; the condensate outlet of the sampling cooler 1 is connected with the inlet of the sampling separator 2 through a condensate outlet pipeline 16; the monitoring mechanism comprises a condensate thermometer 17 and a condensate pressure gauge 18 and is used for monitoring the cooling condition of condensate night in real time and monitoring that the temperature of condensate at the outlet of the sampling cooler is lower than the saturation temperature under the corresponding pressure; the condensate flow meter 221 is arranged between the sampling separator 2 and the condensate sampling port 22 and used for monitoring the flow of condensate, so that the external discharge capacity of the condensate is smaller than the liquid amount of the steam which can be condensed to the maximum.
Further, as shown in fig. 1, a sampling cooler sleeve 11 is arranged in the sampling cooler 1; a first steam pipeline sampling valve 131 and a second steam pipeline sampling valve 132 are sequentially arranged between the steam inlet 13 and the sampling cooler 1 and are cooperatively used for controlling the flow of steam entering the sampling cooler 1; a first nitrogen valve 121, a displaced nitrogen pipeline one-way valve 122 and a second nitrogen valve 123 are sequentially connected between the nitrogen inlet 12 and the sampling cooler 1, and the output end of the displaced nitrogen pipeline one-way valve 122 and the input end of the second nitrogen valve 123 are also connected with a pilot shower 124; the output end of the second nitrogen valve 123 is connected with the output end of the second steam line sampling valve 132; the displacement nitrogen line check valve 122 is used to prevent steam from flowing back into the nitrogen line.
Further, as shown in fig. 1, a condensate line valve 161 is disposed on the condensate outlet line 16, and a non-condensable gas discharge valve 211 is disposed between the sampling separator 2 and the non-condensable gas sampling port 21, and is used for controlling discharge of non-condensable gas; a condensate discharge valve 222 is arranged between the condensate flowmeter 221 and the condensate sampling port 22 and is used for controlling the discharge of condensate.
Further, as shown in fig. 1, a cooling water inlet gate valve 141 is disposed between the cooling water inlet 14 and the sampling cooler 1 for controlling the input of cooling water in the sampling cooler; and a cooling water outlet gate valve 151 is arranged between the cooling water outlet 15 and the sampling cooler 1 and used for controlling the output of cooling water in the sampling cooler.
The utility model provides an operation step of a steam sampling and separating system, which comprises the following steps:
firstly, closing a first steam pipeline sampling valve 131, a second steam pipeline sampling valve 132, a cooling water inlet gate valve 141 and a cooling water outlet gate valve 151, and opening a first nitrogen valve 121, a nitrogen displacement pipeline one-way valve 122, a second nitrogen valve 123, a condensate pipeline valve 161, a non-condensable gas discharge valve 211 and a condensate discharge valve 222, so that the whole steam sampling separation system is filled with nitrogen gas to complete nitrogen displacement;
secondly, after the nitrogen replacement of the system is qualified, closing the first nitrogen valve 121, the replacement nitrogen pipeline one-way valve 122 and the second nitrogen valve 123 to ensure that the system keeps micro-positive pressure and simultaneously prevent steam from reversely crossing the nitrogen pipe network;
and thirdly, opening the cooling water inlet gate valve 141, the cooling water outlet gate valve 151, the condensate line valve 161, the first steam line sampling valve 131 and the second steam line sampling valve 132, so that the steam continuously enters the sampling cooler 1, and forms condensate after heat exchange and cooling with the cooling water, and the condensate enters the sampling separator 2 through the condensate outlet line 16.
Fourthly, opening a non-condensable gas discharge valve 211 at the top of the sampling separator 2, discharging the initial nitrogen in the system, and closing the non-condensable gas discharge valve 211 after the nitrogen discharges water;
and fifthly, opening a condensate discharging valve 222 at the bottom of the sampling separator 2 to enable the condensate to be discharged outside at a certain flow rate, and controlling the condensate discharging valve 222 and observing a condensate flow meter 221 to enable the external discharge capacity of the condensate to be smaller than the maximum amount of the condensate, so that the steam can continuously enter the sampling separation system 2.
Sixthly, when the liquid level of the sampling separator 2 is found to be continuously reduced, the non-condensable gas discharge valve 211 at the top of the sampling separator 2 is opened, and sampling analysis is carried out.
The working principle of the steam sampling and separating system provided by the utility model is as follows: a condensate thermometer 17 and a condensate pressure gauge 18 are sequentially connected between the sampling cooler 1 and the sampling separator 2, the temperature of condensate at the outlet of the sampling cooler is monitored to be lower than the saturation temperature under the corresponding pressure, and the cooling condition of the condensate is monitored in real time; the top of the sampling separator 2 is communicated with a non-condensable gas sampling port 21, the bottom of the sampling separator 2 is communicated with a condensed liquid sampling port 22, the sampling separator 2 is connected with a liquid level meter 23, and the liquid level change of the sampling separator is monitored through the liquid level meter 23; if the steam does not contain non-condensable gas at all, the liquid level of the sampling separator 2 is kept stable and does not drop; if the steam contains non-condensable gas, even if the content of the non-condensable gas is low, the non-condensable gas with low density continuously enters the sampling separation system along with the steam and is slowly accumulated at the top of the sampling separator 2, so that the liquid level of the sampling separator 2 is reduced; when the liquid level of the sampling separator is found to be continuously reduced, opening a non-condensable gas discharge valve 211 at the top of the sampling separator for sampling analysis; the device has a simple structure, is ingenious and reasonable in design, can conveniently and effectively collect non-condensable gas in steam, can monitor the quality of the steam in real time on line, provides an analysis basis for the operation condition of steam production equipment, and can find out the non-condensable gas in the steam production equipment as soon as possible when the byproduct steam equipment leaks slightly; the problem of current steam analysis sample adopt when condensing method to the noncondensable gas in the steam do not have convenient effectual collection sampling method, be difficult to in time discover when the by-product steam equipment is small to leak is solved, have the practicality very much.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A vapor sampling separation system, comprising: the device comprises a sampling cooler (1) for cooling steam by cooling water and a sampling separator (2) for separating gas from liquid of condensate generated by the sampling cooler (1); wherein the content of the first and second substances,
a monitoring mechanism for monitoring the cooling condition of the condensate in real time is connected between the sampling cooler (1) and the sampling separator (2);
the top of the sampling separator (2) is communicated with a non-condensable gas sampling port (21), and the bottom of the sampling separator is communicated with a condensed liquid sampling port (22);
the sampling separator (2) is also connected with a liquid level meter (23) for monitoring the liquid level of the sampling separator;
and a condensate flow meter (221) for monitoring the flow of condensate is arranged between the sampling separator (2) and the condensate sampling port (22).
2. A vapor sampling separation system according to claim 1 wherein: one side of the sampling cooler (1) is connected with a nitrogen inlet (12) and a steam inlet (13), and the nitrogen inlet (12) is used for system replacement input of nitrogen during maintenance;
the nitrogen inlet (12) and the steam inlet (13) are merged at the input end of the sampling cooler (1);
the other side of the sampling cooler (1) is connected with a cooling water inlet (14) and a cooling water outlet (15).
3. A vapor sampling separation system according to claim 2 wherein: the nitrogen sampling device is characterized in that a first nitrogen valve (121), a nitrogen replacement pipeline one-way valve (122) and a second nitrogen valve (123) are sequentially connected between the nitrogen inlet (12) and the sampling cooler (1), and the nitrogen replacement pipeline one-way valve (122) is used for preventing steam from reversely flowing into a nitrogen pipeline.
4. A vapor sampling separation system according to claim 3 wherein: a first steam pipeline sampling valve (131) and a second steam pipeline sampling valve (132) are sequentially arranged between the steam inlet (13) and the sampling cooler (1);
the output end of the second nitrogen valve (123) is connected with the output end of the second steam line sampling valve (132).
5. A vapor sampling separation system according to any one of claims 1 to 4 wherein: the monitoring mechanism comprises a condensate thermometer (17) and a condensate pressure gauge (18).
6. A vapor sampling separation system according to any one of claims 1 to 4 wherein: the condensate outlet of the sampling cooler (1) is connected with the inlet of the sampling separator (2) through a condensate outlet pipeline (16);
and a condensate pipeline valve (161) is arranged on the condensate outlet pipeline (16).
7. A vapor sampling separation system according to any one of claims 1 to 4 wherein: a non-condensable gas discharge valve (211) is arranged between the sampling separator (2) and the non-condensable gas sampling port (21);
a condensate discharge valve (222) is arranged between the condensate flowmeter (221) and the condensate sampling port (22).
8. A steam sampling separation system according to any one of claims 2 to 4 wherein: a cooling water inlet gate valve (141) is arranged between the cooling water inlet (14) and the sampling cooler (1);
and a cooling water outlet gate valve (151) is arranged between the cooling water outlet (15) and the sampling cooler (1).
9. A vapor sampling separation system according to any one of claims 1 to 4 wherein: a sampling cooler sleeve (11) is arranged in the sampling cooler (1).
10. A steam sampling separation system according to claim 3 or 4, wherein: and the output end of the replacement nitrogen pipeline one-way valve (122) and the input end of the second nitrogen valve (123) are also connected with a pilot shower (124).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120926953.6U CN215525234U (en) | 2021-04-30 | 2021-04-30 | Steam sampling and separating system |
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| CN202120926953.6U CN215525234U (en) | 2021-04-30 | 2021-04-30 | Steam sampling and separating system |
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| CN215525234U true CN215525234U (en) | 2022-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739580A (en) * | 2022-04-21 | 2022-07-12 | 苏州西热节能环保技术有限公司 | System and method for monitoring air leakage of negative pressure system through drainage pipeline |
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2021
- 2021-04-30 CN CN202120926953.6U patent/CN215525234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739580A (en) * | 2022-04-21 | 2022-07-12 | 苏州西热节能环保技术有限公司 | System and method for monitoring air leakage of negative pressure system through drainage pipeline |
| CN114739580B (en) * | 2022-04-21 | 2023-01-13 | 苏州西热节能环保技术有限公司 | System and method for monitoring air leakage of negative pressure system through drainage pipeline |
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