CN220558547U - Pressure measuring system for secondary steam outlet of final concentrator - Google Patents
Pressure measuring system for secondary steam outlet of final concentrator Download PDFInfo
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- CN220558547U CN220558547U CN202321863380.2U CN202321863380U CN220558547U CN 220558547 U CN220558547 U CN 220558547U CN 202321863380 U CN202321863380 U CN 202321863380U CN 220558547 U CN220558547 U CN 220558547U
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- secondary steam
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- concentrator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims description 13
- 238000009530 blood pressure measurement Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 3
- 239000003513 alkali Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of pressure detection systems, in particular to a pressure measuring system for a secondary steam outlet of a final concentrator, wherein one side of the final concentrator is provided with a steam blocking drain tank, a secondary steam outlet on the final concentrator is communicated with a secondary steam inlet on one side of the pre-concentrator through a steam pipeline, a vertical water sealing pipeline is arranged on the steam pipeline close to the secondary steam inlet, the top end of the water sealing pipeline is communicated with the steam pipeline, one side of the bottom of the water sealing pipeline is provided with a pressure transmitter, one side of the upper part of the pre-concentrator is provided with a secondary steam discharge port, secondary steam is pumped out for condensation, and a control valve is arranged on the secondary steam discharge port, and the pressure transmitter is interlocked with the control valve and controls the pressure in the pre-concentrator in a negative pressure state. According to the utility model, a water seal pipeline is added, a pressure measuring pipeline is used for water seal, and secondary steam pressure is measured through water column conduction, so that pressure measuring inaccuracy caused by influence of other factors of the system is avoided.
Description
Technical Field
The utility model relates to the technical field of pressure detection systems, in particular to a pressure measuring system for a secondary steam outlet of a final concentrator.
Background
In the alkali liquor concentration process of the caustic soda flake processing, the final concentrator is used for concentrating 61% of alkali liquor to 98%, the evaporated high-temperature secondary steam is sent to the pre-concentrator as a heating medium, the pre-concentrator is used for concentrating 50% of alkali liquor to 61% under negative pressure, and then the alkali liquor is sent to the final concentrator for concentration. And (3) delivering the steam evaporated from the bottom of the pre-concentrator to a steam-blocking drainage tank for gas-liquid separation, collecting condensate, and returning the gas to the pre-concentrator. Regarding the pressure measurement of the secondary steam outlet of the final concentrator, the secondary steam pressure gauge of the final concentrator is originally designed near the gas phase outlet of the final concentrator, but because the liquid level of the steam blocking drainage tank is unstable, the fluctuation of the gas pressure is large, so that the secondary steam pressure gauge of the final concentrator is inaccurate in measurement, and normal production can be influenced. Because the pressure of the secondary steam of the final concentrator is interlocked with a control valve at the secondary steam outlet of the pre-concentrator, the pressure fluctuation directly affects the normal operation of the system.
Disclosure of Invention
The utility model provides a pressure measuring system for a secondary steam outlet of a final concentrator, which aims to solve the technical problem of inaccurate detection caused by pressure fluctuation during steam detection.
In order to solve the problems, the pressure measuring system for the secondary steam outlet of the final concentrator provided by the utility model adopts the following technical scheme:
including preconcentrator and final concentrator, one side of preconcentrator is equipped with the choke drain tank, through steam pipeline intercommunication between the secondary steam export on the final concentrator and the secondary steam entry of preconcentrator one side, be equipped with vertical water seal pipeline near secondary steam entry department on the steam pipeline, water seal pipeline's top and steam pipeline intercommunication, water seal pipeline's bottom one side is equipped with pressure transmitter, the upper portion one side of preconcentrator is equipped with the secondary steam discharge port, be equipped with the control valve on the secondary steam discharge port, pressure transmitter and control valve interlock and make the pressure control in the preconcentrator at negative pressure state.
Further, a liquid inlet pipe is arranged at the bottom end of the water seal pipeline, and a valve is arranged on the liquid inlet pipe.
Further, a branch pipeline is arranged on one side of the bottom of the water seal pipeline, the pressure transmitter is arranged on the branch pipeline, and a valve arranged between the pressure transmitter and the water seal pipeline is arranged on the branch pipeline.
Further, the liquid level in the water sealed pipeline is higher than that of the branch pipeline.
Further, the pressure transmitter is controlled in an interlocking way with the control valve through a pressure display and adjustment alarm system.
The pressure measuring system for the secondary steam outlet of the final concentrator has the beneficial effects that: the water seal pipeline is added, the pressure measuring pipeline is sealed, the secondary steam pressure is measured through water column conduction, and the pressure measuring inaccuracy caused by the influence of other factors of the system is avoided.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic diagram of a final concentrator secondary vapor outlet pressure measurement system of the present utility model;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic diagram of the prior art.
Reference numerals illustrate:
1. a preconcentrator; 11. a secondary steam inlet; 12. a secondary steam discharge port; 13. a control valve;
2. a final concentrator; 21. a secondary steam outlet; 3. a steam pipe; 4. water-sealed pipeline; 41. a liquid inlet pipe; 42. a branch pipeline; 5. a pressure transmitter; 6. a steam-blocking water drain tank; 7. the pressure display adjusts the alarm system.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
Example 1 of the final concentrator secondary vapor outlet pressure measurement system provided by the utility model:
as shown in figures 1 to 2 of the drawings,
including preconcentrator 1 and final concentrator 2, one side of preconcentrator 1 is equipped with and hinders vapour drain tank 6, through steam pipe 3 intercommunication between the secondary steam export 21 on final concentrator 2 and the secondary steam entry 11 of preconcentrator 1 one side, be equipped with vertical water seal pipeline 4 near secondary steam entry 11 department on the steam pipe 3, the top and the steam pipe 3 intercommunication of water seal pipeline 4, bottom one side of water seal pipeline 4 is equipped with pressure transmitter 5, upper portion one side of preconcentrator 1 is equipped with secondary steam discharge port 12, be equipped with control valve 13 on the secondary steam discharge port 12, pressure transmitter 5 interlocks with control valve 13 and makes the pressure control in the preconcentrator 1 be in the negative pressure state.
The bottom of the water sealed pipeline 4 is provided with a liquid inlet pipe 41, and the liquid inlet pipe 41 is provided with a valve.
The bottom side of the water sealed pipeline 4 is provided with a branch pipeline 42, the pressure transmitter 5 is arranged on the branch pipeline 42, and a valve arranged between the pressure transmitter 5 and the water sealed pipeline 4 is arranged on the branch pipeline 42.
Wherein the liquid level in the water sealed pipeline 4 is higher than the branch pipeline 42.
Wherein, the pressure transmitter 5 is controlled by interlocking the pressure display and regulation alarm system 7 and the control valve 13.
Specifically, when the alkali liquor concentration process is carried out in the caustic soda flake processing process, the alkali liquor evaporated to the concentration of 50% is subjected to negative pressure concentration to 61% through the pre-concentrator 1, the pre-concentrator 1 is communicated with the final concentrator 2 through the alkali liquor pump, 61% of the alkali liquor in the pre-concentrator 1 is conveyed to the final concentrator 2 through the alkali liquor pump for further evaporation concentration to 98%, the secondary steam evaporated from the final concentrator 2 is conveyed into the pre-concentrator 1 through the steam pipeline 3 to serve as a heating medium, the water seal pipeline 4 is added on the steam pipeline 3, water seal of a pressure measuring pipeline is realized, the secondary steam pressure is measured through water column conduction, the pressure measuring caused by the influence of other factors of the system is avoided, the steam condensate evaporated from the bottom of the pre-concentrator 1 is conveyed to the steam-blocking drainage tank 6 for gas-liquid separation, the condensate is collected, the gas returns to the pre-concentrator 1, the upper side of the pre-concentrator 1 is provided with the secondary steam discharge port 12, the steam in the pre-concentrator 1 is discharged through the secondary steam discharge port 12 for condensation recovery, the secondary steam discharge port 12 is provided with the control valve 13, the control valve 13 controls the steam discharge, the pressure of the pressure controller 5 at the bottom side of the water seal pipeline 4 is interlocked with the control valve 5, the pressure controller 1 is controlled by the control valve 13, and the pressure in the pressure is directly controlled to enter the pressure fluctuation state of the pre-concentrator 1, and the normal pressure is prevented from entering the system, and the pressure fluctuation state, and the normal operation state is avoided, and the pressure is directly influenced by the pressure detection and is in the pressure state by the pressure detection.
It will be further understood by those skilled in the art from the foregoing description of the present specification that terms such as "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are based on the azimuth or the positional relationship shown in the drawings of the present specification, are for convenience only in describing aspects of the present utility model and for simplicity of description, and do not explicitly show or imply that the devices or elements involved must have the specific azimuth, be constructed and operated in the specific azimuth, and thus the azimuth or positional relationship terms described above should not be interpreted or construed as limitations of aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (5)
1. The utility model provides a final concentrator secondary steam outlet pressure measurement system, includes preconcentrator (1) and final concentrator (2), one side of preconcentrator (1) is equipped with and hinders vapour drainage jar (6), a serial communication port, be equipped with control valve (13) on the upper portion one side of preconcentrator (1) between secondary steam outlet (21) on final concentrator (2) and secondary steam inlet (11) on one side of preconcentrator, be equipped with vertical water seal pipeline (4) near secondary steam inlet (11) department on steam pipeline (3), the top and the steam pipeline (3) intercommunication of water seal pipeline (4), bottom one side of water seal pipeline (4) is equipped with pressure transmitter (5), be equipped with secondary steam discharge mouth (12) on upper portion one side of preconcentrator (1), be equipped with control valve (13) on secondary steam discharge mouth (12), pressure transmitter (5) interlock and make the pressure control in preconcentrator (1) negative pressure state.
2. The pressure measuring system for the secondary steam outlet of the final concentrator according to claim 1, wherein a liquid inlet pipe (41) is arranged at the bottom end of the water seal pipeline (4), and a valve is arranged on the liquid inlet pipe (41).
3. The secondary steam outlet pressure measuring system of the final concentrator according to claim 2, wherein a branch pipeline (42) is arranged on one side of the bottom of the water sealed pipeline (4), the pressure transmitter (5) is arranged on the branch pipeline (42), and a valve arranged between the pressure transmitter (5) and the water sealed pipeline (4) is arranged on the branch pipeline (42).
4. A final concentrator secondary vapour outlet pressure measurement system according to claim 3, wherein the level of liquid in the water sealed conduit (4) is higher than the branch conduit (42).
5. The final concentrator secondary steam outlet pressure measurement system of claim 1, wherein the pressure transmitter (5) is controlled in interlocking relation to a control valve (13) via a pressure display regulation alarm system (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863380.2U CN220558547U (en) | 2023-07-14 | 2023-07-14 | Pressure measuring system for secondary steam outlet of final concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863380.2U CN220558547U (en) | 2023-07-14 | 2023-07-14 | Pressure measuring system for secondary steam outlet of final concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220558547U true CN220558547U (en) | 2024-03-08 |
Family
ID=90090653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321863380.2U Active CN220558547U (en) | 2023-07-14 | 2023-07-14 | Pressure measuring system for secondary steam outlet of final concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220558547U (en) |
-
2023
- 2023-07-14 CN CN202321863380.2U patent/CN220558547U/en active Active
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