CN218349864U - Water vapor sampling device - Google Patents
Water vapor sampling device Download PDFInfo
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- CN218349864U CN218349864U CN202222505363.3U CN202222505363U CN218349864U CN 218349864 U CN218349864 U CN 218349864U CN 202222505363 U CN202222505363 U CN 202222505363U CN 218349864 U CN218349864 U CN 218349864U
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Abstract
The utility model discloses a steam sampling device, it connects to on the high temperature blow off pipe and is linked together with an at least low temperature blow off pipe, and it includes: a cooling water outlet main pipe; cooling water inlet main pipes; at least one set of sampling assemblies; each group of sampling assemblies comprises a cooling regulation unit and a functional unit which are matched with each other, and the functional unit comprises a sample water distributor communicated with the sample outlet pipe, a water return pipe connected with the sample water distributor and the low-temperature sewage discharge pipe, and a measuring module connected between the sample water distributor and the low-temperature sewage discharge pipe and connected with the water return pipe in parallel; and the PLC control module is respectively connected with the first automatic stop valve, the second automatic stop valve, the automatic reducing valve, the electromagnetic valve, the first temperature sensor and the first flow sensor. The automation degree of the whole water vapor sampling device is improved.
Description
Technical Field
The utility model relates to a sampling device, concretely relates to steam sampling device.
Background
Chinese patent application No. 202110893372.1 discloses a modular soda sampling device, which comprises: the device comprises a support assembly, a cooling water outlet main pipe, a cooling water inlet main pipe, a plurality of groups of mounting modules, a low-temperature drainage assembly and a sampling assembly, wherein the sampling assembly comprises a sampling disc mounted on each group of mounting modules; the sampling disc comprises a cooling unit and an adjusting unit which are matched with each other; the cooling unit comprises a cooler detachably mounted on the mounting module and a three-way valve communicated with the cooler through a first water pipe and a cooling water inlet main pipe, and the cooler is further communicated with the cooling water outlet main pipe through a second water pipe. The regulating unit also comprises a second stop valve which is arranged on the second drainage pipe and is positioned between the second three-way pipe and the cooler, and a high-pressure valve which is connected with the second three-way pipe; the regulating unit also comprises a pressure reducing valve communicated with the first drainage pipe (the pressure reducing valve and the first drainage pipe can be communicated in a conventional mode, such as a three-way valve and the like); the modularized steam-water sampling device also comprises a high-temperature blowdown main pipe communicated with the high-pressure valve through a pipeline; the measures can enrich the functions of the adjusting unit, so that the high-temperature and high-pressure sample water is measured and analyzed after effective temperature and pressure reduction. However, the soda water sampling device relies on manual adjustment, and the automation degree is low.
Disclosure of Invention
An object of the utility model is to provide a steam sampling device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: a moisture sampling apparatus comprising:
a high-temperature sewage discharging pipe is arranged on the sewage discharging pipe,
at least one low-temperature sewage draining pipe arranged below the high-temperature sewage draining pipe,
the cooling water is discharged from the main pipe,
the cooling water inlet main pipe is arranged below the cooling water outlet main pipe;
at least one group of sampling assemblies, wherein each group of sampling assemblies comprises a cooling regulation unit and a functional unit which are matched with each other;
the cooling regulation unit comprises a sampling pipe, a drainage pipe communicated with the sampling pipe and connected with the high-temperature drainage pipe, a first automatic stop valve arranged on the drainage pipe, a cooler connected with the sampling pipe through a sampling pipe, a three-way valve communicated with the cooler through a first pipeline and communicated with the cooling water inlet main pipe through a second pipeline, a sample outlet pipe communicated with the cooler, and an automatic pressure reducing valve, an electromagnetic valve, a first temperature sensor and a first flow sensor which are arranged on the sample outlet pipe in sequence, wherein the sample inlet pipe is provided with a second automatic stop valve, and the cooler is also communicated with the cooling water outlet main pipe through a fourth pipeline; the sample inlet pipe is connected with the sewage discharge pipe in parallel;
the functional unit comprises a sample water distributor communicated with the sample outlet pipe, a water return pipe connected with the sample water distributor and the low-temperature sewage discharge pipe, and a measuring module connected between the sample water distributor and the low-temperature sewage discharge pipe and connected with the water return pipe in parallel;
and the PLC control module is respectively connected with the first automatic stop valve, the second automatic stop valve, the automatic pressure reducing valve, the electromagnetic valve, the first temperature sensor and the first flow sensor to receive the signal of the first temperature sensor to control the opening and closing of the electromagnetic valve and receive the signal of the first flow sensor to control the opening of the automatic pressure reducing valve.
Optimally, the two low-temperature sewage pipes are defined as a first low-temperature sewage pipe and a second low-temperature sewage pipe, the three-way valve is further communicated with the second low-temperature sewage pipe through a third pipeline, and the measuring module is connected to the first low-temperature sewage pipe.
Preferably, the cooling regulation unit further comprises a first shut-off valve installed on the fourth line.
Further, the cooling and adjusting unit further comprises a filter which is installed on the sample outlet pipe and is positioned between the automatic pressure reducing valve and the electromagnetic valve.
Preferably, the sample water distributor is back pressure, downstream of the first flow sensor.
Further, the measuring module includes at least one of a manual sampling module, an online calculation type pH analyzer, an online sodium ion analyzer, and an online dissolved oxygen analyzer.
Optimally, the PLC control module is also connected with a touch screen and is communicated with the measuring module through a data acquisition module by a bus protocol, and the PLC control module is used for controlling and starting the measuring module and displaying the measuring data obtained by the measuring module on the touch screen.
Optimally, a second temperature sensor is installed on the high-temperature sewage discharge pipe, and a second flow sensor and a third temperature sensor are installed on the cooling water inlet main pipe; the PLC control module is further connected with the second temperature sensor, the second flow sensor and the third temperature sensor respectively so as to receive signals of the second temperature sensor, the second flow sensor and the third temperature sensor and control the opening and closing of the first automatic stop valve and the second automatic stop valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses steam sampling device cooperates through adopting cooling regulation unit and functional unit to be connected PLC control module with first automatic stop valve, the automatic stop valve of second, automatic pressure reducing valve, solenoid valve, first temperature sensor and first flow sensor respectively, with opening, closing of the first automatic stop valve of automatic control, the automatic stop valve of second, solenoid valve, the degree of opening of the automatic pressure reducing valve of automatic control has improved whole steam sampling device's degree of automation.
Drawings
Fig. 1 is the schematic structural diagram of the water vapor sampling device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The water vapor sampling device shown in figure 1 comprises a high-temperature blow-off pipe 1, a low-temperature blow-off pipe, a cooling water outlet main pipe 2, a cooling water inlet main pipe 3, at least one group of sampling assemblies 6 and a PLC control module.
The low-temperature sewage draining pipe is/are arranged below the high-temperature sewage draining pipe 1; the cooling water inlet main pipe 3 is arranged below the cooling water outlet main pipe 2, the high-temperature blow-off pipe 1 is usually positioned above the cooling water outlet main pipe 2 and is slightly higher than the cooling water outlet main pipe 2, and the low-temperature blow-off pipe is slightly higher than the cooling water inlet main pipe 3. In this embodiment, the low temperature blow off pipe is two, is first low temperature blow off pipe 4 and second low temperature blow off pipe 5 respectively (first low temperature blow off pipe 4 still is connected with the relief valve with the cooling water between the female pipe 3 that intakes, if cooler 611 damages, high temperature appearance water or steam directly get into the cooling water, the cooling water pressure that can make increases, consequently will add the security of relief valve in order to guarantee whole automatic steam sampling device).
The sampling assemblies 6 are at least one group, and the specific number can be determined according to actual needs; when multiple sets of sampling assemblies 6 are provided, they may be arranged in parallel and mated with the previously described conduits. Each set of sampling assemblies 6 includes a cooperating cooling adjustment unit 61 and a functional unit 63.
The cooling adjustment unit 61 includes a sampling pipe 6110 connected to the sampling point, a drain pipe 6113 connected to the sampling pipe 6110 and connected to the high temperature drain pipe 1, a first automatic stop valve 6114 installed on the drain pipe 6113, a cooler 611 connected to the sampling pipe 6110 through the sampling pipe 6111 (at this time, the sampling pipe 6111 is connected in parallel to the drain pipe 6113), a three-way valve 614 connected to the cooler 611 through a first pipeline 612 and connected to the cooling water inlet header 3 through a second pipeline 6141, a sample outlet pipe 6112 connected to the cooler 611, and an automatic pressure reducing valve 616, an electromagnetic valve 618, a first temperature sensor 619, and a first flow sensor 620 installed on the sample outlet pipe 6112 and sequentially arranged (the sequential arrangement here is defined according to the flow direction of the sample water, the first flow sensor 620 is located downstream of the automatic pressure reducing valve 616, so that the first flow sensor 620 is farthest from the cooler 611 and the automatic pressure reducing valve 616 is closest to the cooler 611). The sample introduction pipe 6111 is mounted with the second automatic shutoff valve 610 such that the second automatic shutoff valve 610 is located upstream of the cooler 611. The cooler 611 is also connected to the cooling water outlet header 2 through a fourth pipe 613, so that the cooling water is discharged to the cooling water outlet header 2 after heat exchange by the cooler 611.
In this embodiment, the three-way valve 614 is also communicated with the second low temperature sewage pipe 5 through the third line 6142 so that the three-way valve 614 does not shut off the cooler 611, and when the three-way valve 614 closes the second line 6141, the third line 6142 is communicated with the cooler 611, and the cooling water of the cooler is discharged into the second low temperature sewage pipe 5. The cooling regulation unit 61 further comprises a first shut-off valve 615 mounted on the fourth line 613, which is normally manual and in a normally open state, facilitating the maintenance of the entire automatic moisture sampling apparatus. The cooling and adjusting unit 61 further includes a filter 617 installed on the sample outlet pipe 6112 between the automatic pressure reducing valve 616 and the electromagnetic valve 618, for filtering the sample water to prevent clogging.
The function unit 63 includes a sample water distributor 631 communicated with the sample outlet pipe 6112, a water return pipe 632 connected to the sample water distributor 631 and the low-temperature sewage pipe (the water return pipe 632 enables the sample water in the cooler 611 to be discharged into the first low-temperature sewage pipe 4 after heat exchange), and a measurement module (for measuring the sample water after heat exchange) connected between the sample water distributor 631 and the low-temperature sewage pipe and connected in parallel with the water return pipe 632; the measuring module is connected to the first low-temperature sewage pipe 4 (namely, the measured sample water is discharged into the first low-temperature sewage pipe 4). Sample water distributor 631 is back pressure and is located downstream of first flow sensor 620. The measurement module comprises at least one of a manual sampling module 637, an online computing pH analyzer 638, an online sodium ion analyzer 639, and an online dissolved oxygen analyzer 630; in the present application, the measurement module generally contains all of the functional components described above.
The PLC control module 7 is connected to the first automatic stop valve 6114, the second automatic stop valve 610, the automatic pressure reducing valve 616, the electromagnetic valve 618, the first temperature sensor 619, and the first flow sensor 620, respectively, to receive signals from the first temperature sensor 619 and the first flow sensor 620, and to control opening and closing (i.e., opening and closing) of the electromagnetic valve 618 and opening of the automatic pressure reducing valve 616, respectively. The PLC control module 7 is also connected with a touch screen 9 and is communicated with the measuring module through a data acquisition module 8 by a bus protocol, and the PLC control module is used for controlling the starting of the measuring module and displaying the measured data obtained by the measuring module on the touch screen 9.
In the embodiment, a second temperature sensor 11 is arranged on the high-temperature sewage draining pipe 1, and a second flow sensor 31 and a third temperature sensor 32 are arranged on the cooling water inlet main pipe 3; the PLC control module 7 is further connected to the second temperature sensor 11, the second flow sensor 31, and the third temperature sensor 32, respectively, to receive signals from the second temperature sensor 11, the second flow sensor 31, and the third temperature sensor 32, and control opening and closing of the first automatic stop valve 6114 and the second automatic stop valve 610.
Specifically, when the first automatic cut-off valve 6114 is closed, the second automatic cut-off valve 610 is opened, or the other opening conditions of the second automatic cut-off valve 610 are as follows: 1. when the first temperature sensor 619 detects that the temperature of the sample water is less than 45 ℃; 2. when the second flow sensor 31 detects that the flow of the sample water is more than or equal to 10t/h (can be selected according to the requirement); 3. when the third temperature sensor 32 detects a temperature of the cooling water of < 40 ℃. Whether the first automatic stop valve 6114 is opened or not can be detected through the temperature data of the second temperature sensor 11 (the first automatic stop valve 6114 is normally closed and can be positioned to be opened at regular time for sewage disposal, such as 24 monday weekly, and the sewage disposal time is 20-30 minutes).
The automatic pressure reducing valve 616 may be closed first (i.e. when the automatic moisture sampling device is started), after the blowdown is finished and the second automatic stop valve 610 is opened, the automatic pressure reducing valve 616 is opened to 60L/h (the specific flow rate may be set as required), and then the flow rate is controlled at the set flow rate by the flow rate feedback signal of the first flow rate sensor 620. The data acquisition module 8 transmits the measured value of the measurement module to the PLC control module through a bus protocol and displays the measured value on the touch screen 9 (the starting condition of the measurement module is that the flow measured by the flowmeter is 20L/h, and the measured value can be specifically set according to the requirement).
The PLC control module 7 may be commercially available, such as that disclosed in a chinese invention patent with application number 201711047190.2, a chinese invention with application number 201910582341.7, or a chinese utility model patent with application number 201921007341.6 (corresponding to a processor), and may set a corresponding control threshold according to a corresponding requirement on the basis; or according to the control demand, the design and development are carried out according to the design idea of the coal-fired demonstration power plant in 2000, which is provided by the power planning institute.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A moisture sampling apparatus, comprising:
a high-temperature blow-off pipe (1),
at least one low-temperature sewage draining pipe which is arranged below the high-temperature sewage draining pipe (1),
a cooling water outlet main pipe (2),
the cooling water inlet main pipe (3) is arranged below the cooling water outlet main pipe (2);
at least one group of sampling assemblies (6), wherein each group of sampling assemblies (6) comprises a cooling regulation unit (61) and a function unit (63) which are matched with each other;
the cooling regulation unit (61) comprises a sampling pipe (6110), a drainage pipe (6113) communicated with the sampling pipe (6110) and connected with the high-temperature drainage pipe (1), a first automatic stop valve (6114) installed on the drainage pipe (6113), a cooler (611) connected with the sampling pipe (6110) through the sampling pipe (6111), a three-way valve (614) communicated with the cooler (611) through a first pipeline (612) and communicated with the cooling water inlet main pipe (3) through a second pipeline (6141), a sample outlet pipe (6112) communicated with the cooler (611), an automatic reducing valve (616), an electromagnetic valve (618), a first temperature sensor (619) and a first flow sensor (620) which are installed on the sample outlet pipe (6112) and sequentially arranged, wherein the sample inlet pipe (6111) is provided with a second automatic stop valve (610), and the cooler (611) is also communicated with the cooling water outlet main pipe (2) through a fourth pipeline (613); the sample inlet pipe (6111) is connected with the sewage discharge pipe (6113) in parallel;
the functional unit (63) comprises a sample water distributor (631) communicated with the sample outlet pipe (6112), a water return pipe (632) connected with the sample water distributor (631) and the low-temperature sewage discharge pipe, and a measuring module connected between the sample water distributor (631) and the low-temperature sewage discharge pipe and connected with the water return pipe (632) in parallel;
PLC control module (7), PLC control module (7) respectively with first automatic stop valve (6114), second automatic stop valve (610), automatic pressure reducing valve (616), solenoid valve (618), first temperature sensor (619) and first flow sensor (620) are connected, in order to receive the signal control of first temperature sensor (619) the switch of solenoid valve (618), it is right to receive the signal of first flow sensor (620) the aperture of automatic pressure reducing valve (616) is controlled.
2. The moisture sampling device of claim 1, wherein: the low-temperature sewage pipes are defined as a first low-temperature sewage pipe (4) and a second low-temperature sewage pipe (5), the three-way valve (614) is communicated with the second low-temperature sewage pipe (5) through a third pipeline (6142), and the measuring module is connected to the first low-temperature sewage pipe (4).
3. The moisture sampling device of claim 1, wherein: the cooling regulation unit (61) further comprises a first shut-off valve (615) mounted on the fourth line (613).
4. The moisture sampling device of claim 1 or 3, wherein: the cooling regulation unit (61) further comprises a filter (617) mounted on the sample outlet pipe (6112) between the automatic pressure reducing valve (616) and the solenoid valve (618).
5. The moisture sampling device of claim 1, wherein: the sample water distributor (631) is back pressure, downstream of the first flow sensor (620).
6. The moisture sampling device of claim 1 or 5, wherein: the measurement module includes at least one of a manual sampling module (637), an online computing pH analyzer (638), an online sodium ion analyzer (639), and an online dissolved oxygen analyzer (630).
7. The moisture sampling device of claim 1, wherein: the PLC control module (7) is also connected with a touch screen (9) and is communicated with the measuring module through a data acquisition module (8) in a bus protocol, and the PLC control module is used for controlling and starting the measuring module and displaying the measuring data obtained by the measuring module on the touch screen (9).
8. The moisture sampling device of claim 1, wherein: a second temperature sensor (11) is installed on the high-temperature sewage draining pipe (1), and a second flow sensor (31) and a third temperature sensor (32) are installed on the cooling water inlet main pipe (3); the PLC control module (7) is also respectively connected with the second temperature sensor (11), the second flow sensor (31) and the third temperature sensor (32) to receive signals of the second temperature sensor (11), the second flow sensor (31) and the third temperature sensor (32) to control the opening and closing of the first automatic stop valve (6114) and the second automatic stop valve (610).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505363.3U CN218349864U (en) | 2022-09-21 | 2022-09-21 | Water vapor sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505363.3U CN218349864U (en) | 2022-09-21 | 2022-09-21 | Water vapor sampling device |
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| Publication Number | Publication Date |
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| CN218349864U true CN218349864U (en) | 2023-01-20 |
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| CN202222505363.3U Active CN218349864U (en) | 2022-09-21 | 2022-09-21 | Water vapor sampling device |
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