CN208634792U - A kind of steam pipe line stable-pressure device - Google Patents
A kind of steam pipe line stable-pressure device Download PDFInfo
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- CN208634792U CN208634792U CN201821307450.5U CN201821307450U CN208634792U CN 208634792 U CN208634792 U CN 208634792U CN 201821307450 U CN201821307450 U CN 201821307450U CN 208634792 U CN208634792 U CN 208634792U
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Abstract
A kind of steam pipe line stable-pressure device of the utility model, including vapour source, inlet communication of the vapour source by direct-operated regulator and buffer surge tank even, it is wherein connected with site pressure table on the pipeline between direct-operated regulator and buffer surge tank, temperature-measuring heat couple and first pressure transmitter are connected on buffer surge tank；The outlet of buffer surge tank passes through the inlet communication of the first shut-off valve and pneumatic type regulating valve, the outlet of pneumatic type regulating valve is connected to by the second shut-off valve with equipment, wherein second pressure transmitter is connected on the pipeline between the second shut-off valve and equipment, second pressure transmitter, first pressure transmitter and temperature-measuring heat couple are connected with DCS controller, and DCS controller is connected with pneumatic type regulating valve；Manual modulation valve is connected between second shut-off valve and the first shut-off valve.The utility model can understand pressure condition in steam pipe line, and the aperture by passing through DCS controller Pneumatic automatic-control formula regulating valve in real time, to achieve the effect that pressure is stable.
Description
Technical field
The utility model relates to a kind of stable-pressure devices, more specifically to a kind of steam pipe line stable-pressure device.
Background technique
Steam is extremely important in production technology, and stability influences very the state modulator of technique and product quality
Greatly, so being exactly the most important thing to its pressure control stability.The pressure of steam is influenced because of the supply gas pressure by outer net at present
Bigger, pressure oscillation is bigger, while more frequently.Which has several drawbacks: (1) steam pressure is unstable, causes into
The metering inaccuracy of steam, it is very big on properties of product control influence, it cannot accomplish continuous and stable production, simultaneously as pressure becomes
Change, also has a significant impact to the reproducibility of metering；(2) adjustment of steam adjusts pressure by hand valve, more troublesome, inconvenient,
Constantly monitoring data cannot be carried out by adjusting process simultaneously, and the data fed back by live watch are slower, are conveniently adjusted；(3) steam
Switch is controlled by hand valve, and it is comparatively laborious that switch requires execute-in-place.Therefore, it is necessary to design a kind of online, real-time monitoring
Steam pipe line stable-pressure device.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome above-mentioned deficiencies, provide a kind of steam pipe line stable-pressure device, using this
The technical solution of utility model, structure is simple, easy to operate, can understand pressure condition in steam pipe line in real time, and by logical
The aperture for crossing DCS controller Pneumatic automatic-control formula regulating valve, to achieve the effect that pressure is stable.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of steam pipe line stable-pressure device of the utility model, including vapour source, the vapour source pass through self-operated type tune
The inlet communication of valve and buffer surge tank even is saved, is wherein connected on the pipeline between direct-operated regulator and buffer surge tank existing
Pressure gauge is connected with temperature-measuring heat couple and first pressure transmitter on buffer surge tank；The outlet of the buffer surge tank is logical
The inlet communication of the first shut-off valve Yu pneumatic type regulating valve is crossed, the outlet of pneumatic type regulating valve is connected by the second shut-off valve and equipment
Lead to, wherein second pressure transmitter is connected on the pipeline between the second shut-off valve and equipment, second pressure transmitter, the first pressure
Power transmitter and temperature-measuring heat couple are connected with DCS controller, and DCS controller is connected with pneumatic type regulating valve；Described second
Manual modulation valve is connected between shut-off valve and the first shut-off valve.
Further, the DCS controller is connected by AO module with electric control chamber, and electric control chamber is connected with display screen.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) a kind of steam pipe line stable-pressure device of the utility model comes out vapour source using direct-operated regulator
Enter in buffer surge tank after steam entirety pressure regulation, the detection of use site pressure gauge pressure, root after direct-operated regulator pressure regulation
Direct-operated regulator pressure regulation is adjusted according to the pressure that site pressure table detects, realizes the purpose to the preliminary pressure stabilizing of steam in pipeline；
(2) a kind of steam pipe line stable-pressure device of the utility model passes sequentially through after steam enters in buffer surge tank
First shut-off valve, pneumatic type regulating valve and the second shut-off valve are connected to equipment, are examined using temperature-measuring heat couple and first pressure transmitter
Pressure and temperature in buffer surge tank is surveyed, and will test pressure and temperature information and send to DCS controller, uses second pressure
Manifold pressure situation in transmitters sense between the second shut-off valve and equipment, and will test pressure information and give to DCS
In controller, adjustment signal is sent to pneumatic type regulating valve after DCS controller analytical calculation, and then reach the stable effect of pressure
Fruit；
(3) a kind of steam pipe line stable-pressure device of the utility model, DCS controller pass through AO module and electric control chamber phase
Even, electric control chamber is connected with display screen, and the pressure condition that can be will test is shown on a display screen, so as to real time inspection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of steam pipe line stable-pressure device of the utility model.
Label declaration in schematic diagram: 1, manual modulation valve；2, the first shut-off valve；3, pneumatic type regulating valve；4, second section
Only valve；5, second pressure transmitter；6, direct-operated regulator；7, temperature-measuring heat couple；8, first pressure transmitter；9, site pressure
Table.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
In conjunction with Fig. 1, a kind of steam pipe line stable-pressure device of the present embodiment, including vapour source, vapour source pass through self-operated type tune
The inlet communication of valve and buffer surge tank even is saved, is wherein connected on the pipeline between direct-operated regulator and buffer surge tank existing
Field pressure gauge 9 is entered in buffer surge tank after the steam entirety pressure regulation come out using direct-operated regulator to vapour source, using existing
Field pressure gauge detection pressure after direct-operated regulator pressure regulation, adjusts self-operated type according to the pressure that site pressure table detects and adjusts
The purpose to the preliminary pressure stabilizing of steam in pipeline is realized in valve pressure regulation；It is connected with temperature-measuring heat couple 7 on buffer surge tank and first pressure becomes
Send device 8, inlet communication of the outlet of buffer surge tank by the first shut-off valve 2 and pneumatic type regulating valve 3, pneumatic type regulating valve 3
Outlet be connected to equipment by the second shut-off valve 4, wherein being connected with the second pressure on the pipeline between the second shut-off valve 4 and equipment
Power transmitter 5, second pressure transmitter 5, first pressure transmitter 8 and temperature-measuring heat couple 7 are connected with DCS controller, DCS control
Device processed is connected with pneumatic type regulating valve；After steam enters in buffer surge tank, the first shut-off valve, pneumatic type regulating valve are passed sequentially through
It is connected to the second shut-off valve with equipment, uses pressure and temperature in temperature-measuring heat couple and first pressure transmitters sense buffer surge tank
Degree, and will test pressure and temperature information and give to DCS controller, use the second shut-off valve in second pressure transmitters sense
Manifold pressure situation between equipment, and will test pressure information and give to DCS controller, the analysis of DCS controller
Adjustment signal is sent to pneumatic type regulating valve after calculating, and then achievees the effect that pressure is stable, realizes Pneumatic automatic-control formula tune
The purpose of the aperture of valve is saved, it is easy to operate；It is connected with manual modulation valve 1 between second shut-off valve 4 and the first shut-off valve 2, realizes
The purpose of the aperture of manual modulation valve is controlled at the scene；DCS controller is connected by AO module with electric control chamber, electric control chamber and display
Screen is connected, and the pressure condition that can be will test is shown on a display screen, so as to real time inspection.
A kind of steam pipe line stable-pressure device of the utility model, structure is simple, easy to operate, can understand steam pipe in real time
Pressure condition in line, and the aperture by passing through DCS controller Pneumatic automatic-control formula regulating valve, so that it is stable to reach pressure
Effect.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (2)
1. a kind of steam pipe line stable-pressure device, it is characterised in that: including vapour source, the vapour source passes through direct-operated regulator
With the inlet communication of buffer surge tank even, live pressure wherein is connected on the pipeline between direct-operated regulator and buffer surge tank
Power table (9) is connected with temperature-measuring heat couple (7) and first pressure transmitter (8) on buffer surge tank；The buffer surge tank goes out
Mouth passes through the inlet communication of the first shut-off valve (2) and pneumatic type regulating valve (3), and the outlet of pneumatic type regulating valve (3) passes through second
Shut-off valve (4) is connected to equipment, wherein being connected with second pressure transmitter on the pipeline between the second shut-off valve (4) and equipment
(5), second pressure transmitter (5), first pressure transmitter (8) and temperature-measuring heat couple (7) are connected with DCS controller, DCS control
Device processed is connected with pneumatic type regulating valve；Manual modulation valve is connected between second shut-off valve (4) and the first shut-off valve (2)
(1)。
2. a kind of steam pipe line stable-pressure device according to claim 1, it is characterised in that: the DCS controller passes through
AO module is connected with electric control chamber, and electric control chamber is connected with display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821307450.5U CN208634792U (en) | 2018-08-14 | 2018-08-14 | A kind of steam pipe line stable-pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821307450.5U CN208634792U (en) | 2018-08-14 | 2018-08-14 | A kind of steam pipe line stable-pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634792U true CN208634792U (en) | 2019-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821307450.5U Active CN208634792U (en) | 2018-08-14 | 2018-08-14 | A kind of steam pipe line stable-pressure device |
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| CN (1) | CN208634792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963901A (en) * | 2020-08-14 | 2020-11-20 | 恒力石化（大连）有限公司 | Control system for providing steam for PTA device without self-produced steam |
| CN113513708A (en) * | 2021-04-23 | 2021-10-19 | 大唐山西发电有限公司太原第二热电厂 | Self-operated pressure regulating valve fuel system |
| CN113833880A (en) * | 2021-08-03 | 2021-12-24 | 乌海黑猫炭黑有限责任公司 | Carbon black tail gas boiler steam pipeline end explosion-proof device |
| CN114570716A (en) * | 2022-02-28 | 2022-06-03 | 中国船舶重工集团公司第七一九研究所 | Flow control system for steam pipeline purging and targeting |
-
2018
- 2018-08-14 CN CN201821307450.5U patent/CN208634792U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963901A (en) * | 2020-08-14 | 2020-11-20 | 恒力石化（大连）有限公司 | Control system for providing steam for PTA device without self-produced steam |
| CN111963901B (en) * | 2020-08-14 | 2021-11-30 | 恒力石化（大连）有限公司 | Control system for providing steam for PTA device without self-produced steam |
| CN113513708A (en) * | 2021-04-23 | 2021-10-19 | 大唐山西发电有限公司太原第二热电厂 | Self-operated pressure regulating valve fuel system |
| CN113513708B (en) * | 2021-04-23 | 2023-12-05 | 大唐山西发电有限公司太原第二热电厂 | Self-operated pressure regulating valve fuel system |
| CN113833880A (en) * | 2021-08-03 | 2021-12-24 | 乌海黑猫炭黑有限责任公司 | Carbon black tail gas boiler steam pipeline end explosion-proof device |
| CN114570716A (en) * | 2022-02-28 | 2022-06-03 | 中国船舶重工集团公司第七一九研究所 | Flow control system for steam pipeline purging and targeting |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No. 78, gangang Avenue, Binjiang chemical industry park, Xinbei Industrial Park, Xinbei District, Changzhou City, Jiangsu Province, 213022 Patentee after: Changzhou Xinri catalyst Co.,Ltd. Address before: 213001 Jiangsu new Changzhou Industrial Park, Binjiang Chemical Industrial Park, 78 Patentee before: CHANGZHOU NEW SOLAR CATALYSTS Co.,Ltd. |