CN204268065U - A kind of liquefied gas at low temp intelligent gas gasifying device - Google Patents
A kind of liquefied gas at low temp intelligent gas gasifying device Download PDFInfo
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- CN204268065U CN204268065U CN201420614568.8U CN201420614568U CN204268065U CN 204268065 U CN204268065 U CN 204268065U CN 201420614568 U CN201420614568 U CN 201420614568U CN 204268065 U CN204268065 U CN 204268065U
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Abstract
A kind of liquefied gas at low temp intelligent gas gasifying device, it is characterized in that this device is followed successively by with liquid gas flow direction I: liquefied gas at low temp storage tank (2), liquefied gas at low temp lower end outlet A, electrical valve A(6), vaporizer A import D, vaporizer A(3), vaporizer A export E, gas storage tanks import F, gas storage tanks (4), gas storage tanks outlet G, pressure transducer (7), above equipment is connected in series by pipeline; Be followed successively by with liquid gas flow direction II: liquefied gas at low temp storage tank (2), the outlet of liquefied gas at low temp lower end B, electrical valve B(5), vaporizer B import H, vaporizer B(1), vaporizer B exports J, liquefied gas at low temp storage tank upper end import C, above equipment is connected in series by pipeline; This device also comprises program logic controller (8).
Description
Technical field
The present invention relates to a kind of liquefied gas at low temp intelligent gas gasifying device, the application that espespecially oxygen system controls in coal-fired electric generation furnace oxygen-enriched combusting.
Background technique
Now at the oxygen-enriched combustion technology that coal fired power generation field extensively uses, for guaranteeing the safe operation of boiler, require to put into operation in practice to oxygen-enriched combustion technology timely, safe, controlled, adjustable; Then oxygen-enriched combustion technology to the requirement that oxygen system controls is:
1., oxygen system controlled, adjustability is strong;
2., a large amount of property of oxygen supply;
3., the promptness of oxygen supply;
4., oxygen supply uninterruptedly, at any time in 24 hours of oxygen system.
Summary of the invention
For reaching above requirement, the present invention is:
Further, a kind of liquefied gas at low temp intelligent gas gasifying device, it is characterized in that this device is followed successively by with liquid gas flow direction I: liquefied gas at low temp storage tank (2), liquefied gas at low temp lower end outlet A, electrical valve A(6), vaporizer A import D, vaporizer A(3), vaporizer A export E, gas storage tanks import F, gas storage tanks (4), gas storage tanks outlet G, pressure transducer (7), above equipment is connected in series by pipeline; Be followed successively by with liquid gas flow direction II: liquefied gas at low temp storage tank (2), the outlet of liquefied gas at low temp lower end B, electrical valve B(5), vaporizer B import H, vaporizer B(1), vaporizer B exports J, liquefied gas at low temp storage tank upper end import C, above equipment is connected in series by pipeline; This device also comprises program logic controller (8).
Further, liquefied gas at low temp storage tank (2) can store the gas by low temperature regime post liquefaction, its liquefied gas at low temp lower end outlet A is by pipeline and electrical valve A(6) be connected, liquefied gas at low temp lower end outlet B is by pipeline and electrical valve B(5) be connected, its liquefied gas at low temp storage tank upper end import C is by pipeline and vaporizer B(1) be connected.
Further, electrical valve A(6) be arranged on the liquefied gas at low temp lower end outlet A end pipeline of liquefied gas at low temp storage tank (2), electrical valve A(6) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer A import D by pipeline and is connected.
Further, vaporizer A(3) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer A import D exports A by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer A is exported E end and to be held with gas storage tanks import F by pipeline and be connected.
Further, gas storage tanks (4) is for storing the gas after vaporization.
Further, pressure transducer (7) is arranged on vaporizer A outlet E end pipeline or gas storage tanks (4) is upper or gas storage tanks outlet G holds on pipeline, and pressure transducer (7) is connected with program logic controller (8) by elastic cable paper.
Further, electrical valve B(5) be arranged on the liquefied gas at low temp lower end outlet B end pipeline of liquefied gas at low temp storage tank (2), electrical valve B(5) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer B import H by pipeline and is connected.
Further, vaporizer B(1) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer B import H exports B by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer B is exported J end and is connected with the liquefied gas at low temp storage tank upper end import C of liquefied gas at low temp storage tank (2) by pipeline.
Further, program logic controller (8) is by elastic cable paper and pressure transducer (7), electrical valve B(5), electrical valve A(6) be connected.
Principle of the present invention and feature are: pressure transducer carries out Real-time Collection to oxygen pressure signal, by cable by oxygen pressure Signal transmissions in program logic controller, this oxygen pressure signal and setting oxygen pressure signal are compared, when the oxygen pressure signal gathered is greater than setting oxygen pressure, control signal is sent by logic controller, turn off electrical valve A and electrical valve B, when the oxygen pressure signal gathered is less than setting oxygen pressure, send control signal by logic controller, open electrical valve A and electrical valve B.
Thus by opening/power-off air valve controls oxygen pressure, flow velocity, ensures that liquid oxygen storage tank internal pressure is constant, liquid oxygen uniform flow, fast.Thus the requirement to oxygen supply " promptness, great Liang Xing, stability " when meeting ignition of the boiler, steady combustion, oxygen system can be closed in time again simultaneously, ensure that the safety of system is controlled, ensure that oxygen station 24 hours uninterruptedly, full-automatic oxygen supply at any time.
accompanying drawing illustrates:
Fig. 1 is the schematic diagram of liquefied gas at low temp intelligent gas gasifying device.
specific embodiments:
In conjunction with specification and Fig. 1 liquefied gas at low temp intelligent gas gasifying device schematic diagram, the control of liquefied gas at low temp intelligent gas gasifying device in industrial gas is described further.
This device is followed successively by with liquid gas flow direction I: liquefied gas at low temp storage tank (2), liquefied gas at low temp lower end outlet A, electrical valve A(6), vaporizer A import D, vaporizer A(3), vaporizer A export E, gas storage tanks import F, gas storage tanks (4), gas storage tanks outlet G, pressure transducer (7), above equipment is connected in series by pipeline; Be followed successively by with liquid gas flow direction II: liquefied gas at low temp storage tank (2), the outlet of liquefied gas at low temp lower end B, electrical valve B(5), vaporizer B import H, vaporizer B(1), vaporizer B exports J, liquefied gas at low temp storage tank upper end import C, above equipment is connected in series by pipeline; This device also comprises program logic controller (8).
Liquefied gas at low temp storage tank (2) can store the gas by low temperature regime post liquefaction, its liquefied gas at low temp lower end outlet A is by pipeline and electrical valve A(6) be connected, liquefied gas at low temp lower end outlet B is by pipeline and electrical valve B(5) be connected, its liquefied gas at low temp storage tank upper end import C is by pipeline and vaporizer B(1) be connected.
Electrical valve A(6) be arranged on the liquefied gas at low temp lower end outlet A end pipeline of liquefied gas at low temp storage tank (2), electrical valve A(6) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer A import D by pipeline and is connected.
Vaporizer A(3) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer A import D exports A by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer A is exported E end and to be held with gas storage tanks import F by pipeline and be connected.
Gas storage tanks (4) is for storing the gas after vaporization.
Pressure transducer (7) is arranged on vaporizer A outlet E end pipeline or gas storage tanks (4) is upper or gas storage tanks outlet G holds on pipeline, and pressure transducer (7) is connected with program logic controller (8) by elastic cable paper.
Electrical valve B(5) be arranged on the liquefied gas at low temp lower end outlet B end pipeline of liquefied gas at low temp storage tank (2), electrical valve B(5) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer B import H by pipeline and is connected.
Vaporizer B(1) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer B import H exports B by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer B is exported J end and is connected with the liquefied gas at low temp storage tank upper end import C of liquefied gas at low temp storage tank (2) by pipeline.
Program logic controller (8) is by elastic cable paper and pressure transducer (7), electrical valve B(5), electrical valve A(6) be connected.
Automatically amount of vaporization is regulated to export according to setting oxygen pressure:
1. when the real-time oxygen pressure signal recorded when pressure transducer is greater than setting oxygen pressure signal, by cable by oxygen pressure Signal transmissions in program logic controller, control signal is sent by logic controller, reduce or turn off electrical valve B aperture, reducing liquid container pressure, reducing the flow velocity of liquid container fluid; Reduce simultaneously or turn off electrical valve A aperture, reducing the evaporating capacity of liquid, thus reach reduce gas outlet flow effect, keep compensator internal pressure constant, meet oxygen-enriched combusting condition.；
2. when the real-time oxygen pressure signal recorded when pressure transducer is less than setting oxygen pressure signal, by cable by oxygen pressure Signal transmissions in program logic controller, control signal is sent by logic controller, increase or open electrical valve B aperture, improving liquid container pressure, increasing the flow velocity of liquid container fluid; Increase simultaneously or open electrical valve A aperture, increasing the evaporating capacity of liquid, thus reach increase gas outlet flow effect, keep compensator internal pressure constant, meet oxygen-enriched combusting condition.
Above enforcement; it is only the general description to this patent; not the scope of this patent is limited; under the prerequisite not departing from this patent design spirit; anyone the various distortion made the technological scheme of this patent and improvement, in the protection domain that the claims that all should fall into this patent are determined.
Claims (9)
1. a liquefied gas at low temp intelligent gas gasifying device, it is characterized in that this device is followed successively by with liquid gas flow direction I: liquefied gas at low temp storage tank (2), liquefied gas at low temp lower end outlet A, electrical valve A(6), vaporizer A import D, vaporizer A(3), vaporizer A export E, gas storage tanks import F, gas storage tanks (4), gas storage tanks outlet G, pressure transducer (7), above equipment is connected in series by pipeline; Be followed successively by with liquid gas flow direction II: liquefied gas at low temp storage tank (2), the outlet of liquefied gas at low temp lower end B, electrical valve B(5), vaporizer B import H, vaporizer B(1), vaporizer B exports J, liquefied gas at low temp storage tank upper end import C, above equipment is connected in series by pipeline; This device also comprises program logic controller (8).
2. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that liquefied gas at low temp storage tank (2) can store the gas by low temperature regime post liquefaction, its liquefied gas at low temp lower end outlet A is by pipeline and electrical valve A(6) be connected, liquefied gas at low temp lower end outlet B is by pipeline and electrical valve B(5) be connected, its liquefied gas at low temp storage tank upper end import C is by pipeline and vaporizer B(1) be connected.
3. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that electrical valve A(6) be arranged on the liquefied gas at low temp lower end outlet A end pipeline of liquefied gas at low temp storage tank (2), electrical valve A(6) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer A import D by pipeline and is connected.
4. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that vaporizer A(3) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer A import D exports A by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer A is exported E end and to be held with gas storage tanks import F by pipeline and be connected.
5. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, is characterized in that gas storage tanks (4) is for storing the gas after vaporization.
6. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that pressure transducer (7) is arranged on vaporizer A outlet E end pipeline or gas storage tanks (4) is upper or gas storage tanks outlet G holds on pipeline, pressure transducer (7) is connected with program logic controller (8) by elastic cable paper.
7. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that electrical valve B(5) be arranged on the liquefied gas at low temp lower end outlet B end pipeline of liquefied gas at low temp storage tank (2), electrical valve B(5) be connected with program logic controller (8) by elastic cable paper, its outlet end to be held with vaporizer B import H by pipeline and is connected.
8. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, it is characterized in that vaporizer B(1) liquefied gas at low temp can be converted into gas by vaporization mode, vaporizer B import H exports B by pipeline and liquefied gas at low temp lower end and is connected, and vaporizer B is exported J end and is connected with the liquefied gas at low temp storage tank upper end import C of liquefied gas at low temp storage tank (2) by pipeline.
9. a kind of liquefied gas at low temp intelligent gas gasifying device as claimed in claim 1, is characterized in that program logic controller (8) is by elastic cable paper and pressure transducer (7), electrical valve B(5), electrical valve A(6) be connected.
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| CN201420614568.8U CN204268065U (en) | 2014-10-22 | 2014-10-22 | A kind of liquefied gas at low temp intelligent gas gasifying device |
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| CN201420614568.8U CN204268065U (en) | 2014-10-22 | 2014-10-22 | A kind of liquefied gas at low temp intelligent gas gasifying device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050383A (en) * | 2018-01-16 | 2018-05-18 | 中科睿凌江苏低温设备有限公司 | A kind of liquefied gas at low temp intelligence gasification installation |
| CN114198639A (en) * | 2021-11-26 | 2022-03-18 | 南通恒信达冷冻设备有限公司 | Automatic invariable system of ultra-low temperature liquid basin pressure |
-
2014
- 2014-10-22 CN CN201420614568.8U patent/CN204268065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050383A (en) * | 2018-01-16 | 2018-05-18 | 中科睿凌江苏低温设备有限公司 | A kind of liquefied gas at low temp intelligence gasification installation |
| CN114198639A (en) * | 2021-11-26 | 2022-03-18 | 南通恒信达冷冻设备有限公司 | Automatic invariable system of ultra-low temperature liquid basin pressure |
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