CN112377810A - Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof - Google Patents
Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof Download PDFInfo
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- CN112377810A CN112377810A CN202011297824.1A CN202011297824A CN112377810A CN 112377810 A CN112377810 A CN 112377810A CN 202011297824 A CN202011297824 A CN 202011297824A CN 112377810 A CN112377810 A CN 112377810A
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- carbon dioxide
- cooled generator
- supply device
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 61
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 85
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 241000209219 Hordeum Species 0.000 claims description 8
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 5
- 239000011491 glass wool Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000007710 freezing Methods 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010060904 Freezing phenomenon Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000002431 hydrogen Chemical group 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
- F17D1/05—Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/14—Arrangements for supervising or controlling working operations for eliminating water
- F17D3/145—Arrangements for supervising or controlling working operations for eliminating water in gas pipelines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a carbon dioxide supply device of a hydrogen-cooled generator and a gas replacement system thereof, wherein the carbon dioxide supply device of the hydrogen-cooled generator comprises an inflation pipeline, a plurality of carbon dioxide gas storage parts, a pressure reducer, a heating part and a temperature detection part, wherein the inflation pipeline is provided with an air supplementing port and an air inlet communicated with the hydrogen-cooled generator; the carbon dioxide gas storage pieces are connected in parallel and then communicated with the gas supplementing ports; the pressure reducer is arranged on the inflation pipeline; the heating element is arranged on the inflation pipeline and is positioned between the air replenishing opening and the pressure reducer; the temperature detection component is arranged on the inflation pipeline and is adjacent to the pressure reducer. The carbon dioxide supply device of the hydrogen-cooled generator can effectively reduce the freezing of the pipeline and save energy.
Description
Technical Field
The invention relates to the technical field of hydrogen-cooled generators, in particular to a carbon dioxide supply device of a hydrogen-cooled generator and a gas replacement system thereof.
Background
At present, when a hydrogen-cooled generator is stopped for maintenance or repair, in order to avoid mixing of air and hydrogen and produce explosive gas, carbon dioxide is used as intermediate isolation gas to replace the hydrogen, so that the purposes of preventing the generator from feeding oil, preventing the generator from being damaged by oil-water-hydrogen system equipment, reducing the operation amount of operators and improving the available coefficient of a unit are achieved. However, when the existing hydrogen-cooled generator uses the busbar to replace carbon dioxide, liquid carbon dioxide releases gas from the gas cylinder and absorbs a large amount of heat, so that the heat exchange valve and the busbar pipeline are frozen, the release speed is limited, the safety of the unit is affected, the gas replacement time is prolonged, and the start-stop time of the unit is affected.
Disclosure of Invention
The invention mainly aims to provide a carbon dioxide supply device of a hydrogen-cooled generator, aiming at eliminating the freezing phenomenon during gas replacement and shortening the starting and grid-connection time of a unit.
In order to achieve the above object, the present invention provides a carbon dioxide supply device for a hydrogen-cooled generator, comprising:
an inflation conduit having an air inlet in communication with the hydrogen cooled generator and an air inlet;
the carbon dioxide gas storage pieces are connected in parallel and then communicated with the gas supplementing ports;
the pressure reducer is arranged on the inflation pipeline;
the heating element is arranged on the inflation pipeline and is positioned between the air replenishing port and the pressure reducer; and
and the temperature detection component is arranged on the inflation pipeline and is adjacent to the pressure reducer.
In an optional embodiment, the heating element further comprises a heat preservation element, and the heat preservation element is annularly arranged on the outer periphery of the heating element.
In an optional embodiment, the heat preservation member is made of rock wool tubes, glass wool or silk wool.
In an alternative embodiment, the heating element is an electric tracing band.
In an optional embodiment, highland barley paper is attached to the outer peripheral wall of the inflation pipeline, and the heating element is annularly arranged on the outer peripheral edge of the highland barley paper.
In an optional embodiment, the gas charging pipeline includes a first section and a second section connected to each other, a port of the second section far from the first section is the gas inlet, a port of the first section far from the second section is the gas supplementing port, the first section includes two branch pipelines connected in parallel, and each branch pipeline is provided with the pressure reducer and the heating element.
In an alternative embodiment, the length of the branch line is in the range of 600mm ± 10 mm.
In an alternative embodiment, the heating member has the same length as each of the branch lines.
In an optional embodiment, the heating device further comprises a control device, and the control device is electrically connected with the heating element and the temperature detection component respectively so as to automatically control the heating element to stop or start according to the detection result of the temperature detection component.
The invention also provides a gas replacement system of the hydrogen-cooled generator, which comprises the hydrogen-cooled generator and the carbon dioxide supply device of the hydrogen-cooled generator, wherein the hydrogen-cooled generator is provided with an accommodating cavity communicated with the gas inlet.
The carbon dioxide supply device of the hydrogen-cooled generator comprises the air inflation pipeline and the plurality of carbon dioxide gas storage pieces communicated with the air inflation ports of the air inflation pipeline, and the plurality of carbon dioxide gas storage pieces are arranged in parallel, so that a busbar can be formed, centralized air supply is realized, convenience in maintenance is realized, and the production efficiency and safety are improved. Simultaneously, be provided with pressure reducer and heating member on gas-filled pipeline, can heat gas-filled pipeline after gas releases from carbon dioxide gas storage spare to promote its inside gas temperature, prevent that the water in the air from condensing on the pipeline, and then the gas flow through the pressure reducer after the heating, also can not make the pressure reducer freeze, thereby guarantee release speed, improve the security, and shortened the start time of being incorporated into the power networks of hydrogen-cooled generator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a piping connection of an embodiment of a carbon dioxide supply apparatus for a hydrogen-cooled generator according to the present invention;
fig. 2 is a schematic view of a pipe connection of an embodiment of a gas replacement system of a hydrogen-cooled generator according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The carbon dioxide gas is used as intermediate isolation gas for replacing air and hydrogen when starting and stopping, the operation times are multiple, the occupied time is long, ice blockage phenomena are prone to occurring at the positions of a pipeline and a pressure reducing valve when the whole carbon dioxide gas is replaced, the carbon dioxide gas is generally heated by a baking lamp for replacement, the efficiency is low, and fire danger is prone to occurring. This application is through optimizing the arrangement pipeline, install the heating member on the pipeline, valve when eliminating the carbon dioxide replacement, the freezing phenomenon that the pipeline appears, and install temperature-sensing automatic checkout device additional, when being less than preset threshold value, the heating member is automatic to drop into, guarantee the pipeline, the relief pressure valve keeps unblocked state, it shortens to 16 hours to have realized generator gas replacement time by original 24 hours, every unit saves approximately 8 hours of replacement gas time, work efficiency has effectively been improved, when practicing thrift the manpower and improving the security, the solid basis is laid for the unit grid-connected electricity generation in advance after the maintenance, the safety in production difficult problem that the company has long-term puzzled all the time has been solved conscientiously practically.
Referring to fig. 1, in an embodiment of the present invention, a carbon dioxide supply device 10 of a hydrogen-cooled generator includes:
an air charging duct 11, the air charging duct 11 having an air replenishing port 1111 and an air intake port 1131 communicating with the hydrogen-cooled generator 30;
a plurality of carbon dioxide gas storage members 13, the plurality of carbon dioxide gas storage members 13 being connected in parallel and then communicating with the air supply port 1111;
a pressure reducer 15, the pressure reducer 15 being provided on the inflation duct 11;
a heating member 17, wherein the heating member 17 is arranged in the inflation pipeline 11 and is positioned between the air supply port 1111 and the pressure reducer 15; and
a temperature detection part 19, said temperature detection part 19 being provided to said inflation duct 11 and being provided adjacent to said pressure reducer 15.
In this embodiment, the carbon dioxide gas storage device 13 may be a movable carbon dioxide high pressure cylinder or a carbon dioxide gas storage tank fixed at a certain position, which is not limited herein. A plurality of carbon dioxide go out the parallelly connected setting of gas storage piece, then formed the carbon dioxide gas busbar, the container that is about to a plurality of gaseous splendid attitudes is gathered and is realized the device of concentrated air feed, can conveniently fix, simplifies fixing device, also practices thrift the space simultaneously to can concentrate overhaul and maintain, improve the security of work efficiency and production. The bottle mouths or tank mouths of the carbon dioxide gas storage pieces 13 are connected with the gas supplementing ports 1111 of the gas charging pipeline 11 through pipelines, and control valves are arranged on the pipelines, so that the gas supplementing amount of each carbon dioxide gas storage piece 13 is controlled, and the control is accurate; or a control valve is arranged at the air supply port 1111 of the air charging pipeline 11, so that whether carbon dioxide is supplied or not is controlled in a centralized manner, and the control is convenient.
It can be understood that, because the pressure of the carbon dioxide released from the carbon dioxide storage 13 is high, the carbon dioxide needs to be decompressed by the decompressor 15 and then transmitted to the air inlet 1131 to supply air to the hydrogen-cooled generator 30. In the pipeline between the air supply port 1111 and the pressure reducer 15, carbon dioxide absorbs much heat, so that the heating element 17 is arranged on the air charging pipeline 11 between the air supply port 1111 and the pressure reducer 15, the air charging pipeline 11 at the section can be heated, and the icing inside and outside the pipeline can be effectively reduced. Here, the heating member 17 can be an electric tracing band, so can directly twine with the outer peripheral edge of pipeline, convenient fixed, and also can not occupy too much space, and rate of heating is fast, is showing improvement heating effect. Of course, in other embodiments, the heating element 17 may be a heating resistor or other element capable of heating the pipeline.
Still be provided with temperature detection part 19 when being provided with heating member 17, this temperature detection part 19 is located on gas pipeline 11 to neighbouring pressure reducer 15 sets up, thereby can detect the temperature of gas pipeline 11 around the pressure reducer 15 at any time, can know the temperature condition of gas pipeline 11 at any time, when gas pipeline 11 temperature is lower, restart heating member 17, thereby heat gas pipeline 11, so, can practice thrift the energy consumption, prevent the heat waste that heating member 17 overheated to cause. The temperature detecting member 19 may be a temperature sensor, a thermistor, or the like, and is not limited thereto. In addition, when the distance is short, the air inlet 1131 of the air charging pipe 11 can be directly connected to the hydrogen-cooled generator 30; when the distance is long, the hydrogen cooling generator can be connected with the hydrogen cooling generator 30 through a pipeline.
The carbon dioxide supply device 10 of the hydrogen-cooled generator comprises an air charging pipeline 11 and a plurality of carbon dioxide gas storage pieces 13 communicated with an air supplementing port 1111 of the air charging pipeline, and the plurality of carbon dioxide gas storage pieces 13 are arranged in parallel, so that a busbar can be formed, centralized air supply is realized, convenience in maintenance is realized, and the production efficiency and safety are improved. Meanwhile, the gas-filled pipeline 11 is provided with the pressure reducer 15 and the heating element 17, so that the gas-filled pipeline 11 can be heated after the gas is released from the carbon dioxide gas storage element 13, the temperature of the gas in the gas-filled pipeline is increased, the water in the air is prevented from being condensed on the pipeline, the heated gas flows through the pressure reducer 15, the pressure reducer 15 cannot be frozen, the releasing speed is ensured, the safety is improved, and the starting grid-connection time of the hydrogen-cooled generator 30 is shortened.
In an alternative embodiment, the heating device further comprises a heat preservation member 16, and the heat preservation member 16 is arranged around the outer periphery of the heating member 17.
In this embodiment, because of heating member 17 is located gas filled tube 11's outer peripheral edges, partial heat can exchange extravagantly with air on every side, so, in order to improve thermal utilization ratio, the outer peripheral edge that sets up heating member 17 encircles and is equipped with heat preservation 16 to can keep warm with the heat that heating member 17 produced, make on the heat looses gas filled tube 11 slowly, guarantee the heating effect, and effectively practice thrift the energy consumption. Specifically, in an optional embodiment, the material of the heat preservation member 16 is at least one of a rock wool pipe, a glass wool and a silk wool, for example, the rock wool pipe has a good heat preservation effect, and simultaneously has good waterproof and fireproof performance, and the rock wool pipe is also conveniently installed on the outer peripheral edge of the heating member 17, and plays a role in fixing the heating member 17, so that the structure is more stable.
In an alternative embodiment, highland barley paper 18 is adhered to the outer peripheral wall of the air inflation tube 11, and the heating member 17 is disposed around the outer periphery of the highland barley paper 18.
In the embodiment, in order to further improve the heat exchange performance between the heating element 17 and the gas pipeline 11, the highland barley paper 18 is sandwiched between the gas pipeline 11 and the heating element 17, the highland barley paper 18 has good mechanical strength and dielectric property, and has good moisture absorption performance, and can rapidly transfer the heat of the heating element 17 to the gas pipeline 11,
in an alternative embodiment, the gas charging pipeline 11 includes a first section 111 and a second section 113 connected to each other, a port of the second section 113 far from the first section 111 is the gas inlet 1131, a port of the first section 111 far from the second section 113 is the gas supplementing port 1111, the first section 111 includes two branch pipelines 1113 arranged in parallel, and each branch pipeline 1113 is provided with the pressure reducer 15 and the heating element 17.
In this embodiment, the gas charging pipeline 11 includes a first section 111 and a second section 113 connected to each other, the first section 111 is disposed near the carbon dioxide gas storage part 13, the second end is disposed near the hydrogen-cooled generator 30, in order to ensure continuous gas supply, the first section 111 includes two branch pipelines 1113 disposed in parallel, each branch pipeline 1113 is provided with a pressure reducer 15 and a heating member 17, and when one branch pipeline 1113 needs to be repaired or maintained, the other branch pipeline 1113 may be used, so that gas supply to the hydrogen-cooled generator 30 may not be affected. Moreover, if the plurality of carbon dioxide gas storage units 13 are set as a group of gas supply units, two or three groups of gas supply units connected in parallel may be provided to connect with the first section 111, so as to improve the supply of carbon dioxide gas and further improve the integration level.
In an alternative embodiment, the length of the branch conduit 1113 may be in the range of 600mm + -10 mm.
In this embodiment, the length of the branch pipe 1113 is lengthened to increase the distance between the air supply port 1111 and the pressure reducer 15, so that the carbon dioxide released from the air supply port 1111 can sufficiently receive the heat of the heating element 17, the heat in the air is not excessively absorbed, and the probability of freezing or frosting is reduced.
In an alternative embodiment, the length of the heating member 17 is the same as the length of each of the branch lines 1113. Here, when the heating member 17 is an electric tracing band, in the case of winding the heating member 17 around the branch pipe 1113, the heating member 17 may be provided to have the same length as the branch pipe 1113, that is, the heating member 17 may cover the entire branch pipe 1113, and the position of the pressure reducer 15 may be removed, so that the contact area between the branch pipe 1113 and the heating member 17 can be increased, and frost or ice is less likely to form at each position of the branch pipe 1113.
In an alternative embodiment, the heating device further comprises a control device, and the control device is electrically connected with the heating element 17 and the temperature detection component 19 respectively so as to automatically control the heating element 17 to stop or start according to the detection result of the temperature detection component 19.
In this embodiment, this controlling means can set up alone, also can be in the same place controlling means and the control assembly setting of the product of using, is connected it with heating member 17 and temperature detection part 19 electricity simultaneously to can receive temperature detection part 19's testing result, thereby control opening and stopping of heating member 17 according to the testing result, so, then need not the manual work and monitor, realize automated control, practice thrift the cost of labor, energy saving simultaneously.
Specifically, the control process of the control device comprises the following steps:
s1: receiving the temperature of the pipe detected by the temperature detecting part 19;
here, the temperature detecting means 19 may be set to detect the temperature at a fixed time, may monitor the temperature in real time, or may monitor the temperature in real time and periodically transmit the temperature to the control device.
S2: judging whether the temperature of the pipeline is lower than a preset threshold value or not;
here, the preset threshold is set to 25 ℃ ± 1 ℃, and thus, the received temperature of the pipeline is compared with the preset threshold, thereby determining whether the temperature of the inflation pipeline 11 is too low.
S3: if yes, controlling the heating part 17 to heat the pipeline;
here, if the temperature of the pipeline is lower than the preset threshold, the heating member 17 may receive a signal of the control device to heat the air charging pipeline 11, so as to prevent the air charging pipeline 11 from frosting or freezing. The heating signal can also set the heating time limit and the heating temperature, for example, heating for 15 minutes, and automatically stopping heating after reaching the required temperature. Of course, the temperature of the pipeline can be received in real time by the control device, when the required temperature is reached, a signal for stopping heating is sent to the heating member 17, and the heating member 17 stops heating after receiving the signal.
S4: if not, the step of "receiving the temperature of the pipe detected by the temperature detecting means 19" is continued.
Here, if the temperature of the pipeline is not lower than the preset threshold, the heating may not be performed, and the step of continuously monitoring the temperature of the pipeline is performed, thereby performing real-time prevention and control.
Referring to fig. 2, the present invention further provides a gas replacement system of a hydrogen-cooled generator 30, including the hydrogen-cooled generator 30 and the carbon dioxide supply device 10 of any one of the above hydrogen-cooled generators, where the hydrogen-cooled generator 30 has an accommodating cavity communicated with the air inlet 1131, and since the structure of the gas replacement system 100 of the hydrogen-cooled generator includes the structure of the carbon dioxide supply device 10 of any one of the above hydrogen-cooled generators, the effective effect thereof is not repeated herein.
The gas replacement system 100 of the hydrogen-cooled generator further includes a hydrogen supply device 50 and a dehumidifying device 70 or a drying device 90 for dehumidifying and drying hydrogen, and the specific gas replacement process may refer to the existing gas replacement process, which is not described herein again. This gas replacement system 100 of hydrogen-cooled generator arranges the pipeline through the optimization, increase busbar pipeline length, install heating element 17 on the pipeline in order to eliminate the valve when the carbon dioxide is replaced, the pipeline phenomenon of freezing appears, keep warm with the pipeline, and install temperature-sensing automatic checkout device additional, when being less than indoor temperature 25 degrees centigrade, heating element 17 automatic input, guarantee the unblocked state of pipeline, relief pressure valve, save and replace about 8 hours of gas time, generate electricity according to one day and income 120 ten thousand calculate, replace in advance 8 hours and finish and should increase 40 ten thousand economic benefits for the company, and effectively improved work efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A carbon dioxide supply device for a hydrogen-cooled generator, comprising:
an inflation conduit having an air inlet in communication with the hydrogen cooled generator and an air inlet;
the carbon dioxide gas storage pieces are connected in parallel and then communicated with the gas supplementing ports;
the pressure reducer is arranged on the inflation pipeline;
the heating element is arranged on the inflation pipeline and is positioned between the air replenishing port and the pressure reducer; and
and the temperature detection component is arranged on the inflation pipeline and is adjacent to the pressure reducer.
2. The carbon dioxide supply device of a hydrogen-cooled generator according to claim 1, further comprising a heat insulating member provided around an outer periphery of the heating member.
3. The carbon dioxide supply device of a hydrogen-cooled generator according to claim 2, wherein the heat insulating member is made of rock wool, glass wool or silk wool.
4. The carbon dioxide supply device of a hydrogen-cooled generator according to claim 1, wherein the heating member is an electric tracing band.
5. The carbon dioxide supply device of a hydrogen-cooled generator according to any one of claims 1 to 4, wherein highland barley paper is attached to the outer peripheral wall of the air charging duct, and the heating member is provided around the outer peripheral edge of the highland barley paper.
6. The carbon dioxide supply device of a hydrogen-cooled generator according to any one of claims 1 to 4, wherein the gas charging line comprises a first section and a second section connected to each other, the port of the second section remote from the first section is the gas inlet, the port of the first section remote from the second section is the gas supplementing port, the first section comprises two branch lines arranged in parallel, and each branch line is provided with the pressure reducer and the heating element.
7. The carbon dioxide supply device for a hydrogen-cooled generator according to claim 6, wherein the length of the branch line is in the range of 600mm ± 10 mm.
8. The carbon dioxide supply device of a hydrogen-cooled generator according to claim 6, wherein the length of the heating member is the same as the length of each of the branch lines.
9. The carbon dioxide supply device of a hydrogen-cooled generator according to claim 1, further comprising a control device electrically connected to a heating element and a temperature detection member, respectively, to automatically control the stop and start of the heating element based on the detection result of the temperature detection member.
10. A gas replacement system for a hydrogen-cooled generator, comprising a hydrogen-cooled generator having a housing chamber communicating with the gas inlet, and a carbon dioxide supply device for the hydrogen-cooled generator according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297824.1A CN112377810A (en) | 2020-11-18 | 2020-11-18 | Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011297824.1A CN112377810A (en) | 2020-11-18 | 2020-11-18 | Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof |
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| CN112377810A true CN112377810A (en) | 2021-02-19 |
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| CN202011297824.1A Pending CN112377810A (en) | 2020-11-18 | 2020-11-18 | Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183694A (en) * | 2021-11-04 | 2022-03-15 | 北京卫星制造厂有限公司 | Gas circuit pressure regulating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150085660A (en) * | 2014-01-16 | 2015-07-24 | 두산중공업 주식회사 | Generator cooling system |
| CN108758333A (en) * | 2018-07-18 | 2018-11-06 | 河南省日立信股份有限公司 | Carbon dioxide constant temperature pressure regulation vapourizing unit |
| CN210662315U (en) * | 2019-11-06 | 2020-06-02 | 华润电力（常熟）有限公司 | Improved carbon dioxide supply device for hydrogen-cooled generator |
| CN213900733U (en) * | 2020-11-18 | 2021-08-06 | 沧州华润热电有限公司 | Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof |
-
2020
- 2020-11-18 CN CN202011297824.1A patent/CN112377810A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150085660A (en) * | 2014-01-16 | 2015-07-24 | 두산중공업 주식회사 | Generator cooling system |
| CN108758333A (en) * | 2018-07-18 | 2018-11-06 | 河南省日立信股份有限公司 | Carbon dioxide constant temperature pressure regulation vapourizing unit |
| CN210662315U (en) * | 2019-11-06 | 2020-06-02 | 华润电力（常熟）有限公司 | Improved carbon dioxide supply device for hydrogen-cooled generator |
| CN213900733U (en) * | 2020-11-18 | 2021-08-06 | 沧州华润热电有限公司 | Carbon dioxide supply device of hydrogen-cooled generator and gas replacement system thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183694A (en) * | 2021-11-04 | 2022-03-15 | 北京卫星制造厂有限公司 | Gas circuit pressure regulating device |
| CN114183694B (en) * | 2021-11-04 | 2024-03-26 | 北京卫星制造厂有限公司 | Gas circuit pressure regulating device |
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