CN203494411U - Natural gas caloric value adjusting device - Google Patents
Natural gas caloric value adjusting device Download PDFInfo
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- CN203494411U CN203494411U CN201320630330.XU CN201320630330U CN203494411U CN 203494411 U CN203494411 U CN 203494411U CN 201320630330 U CN201320630330 U CN 201320630330U CN 203494411 U CN203494411 U CN 203494411U
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Abstract
The utility model discloses a natural gas caloric value adjusting device. The natural gas caloric value adjusting device comprises a No.1 gas static mixer, a No.2 gas static mixer and an integrated signal analysis transmitter, wherein after being filtered, cooled and adsorbed, compressed air is transmitted to the No.1 gas static mixer to be mixed with gasified liquefied natural gas (LNG); caloric value analyzers and an oxygen analyzer are used for automatic sampling and analysis and transmit signals to a signal transmitting device according to the analysis results; the signal transmitting device controls an LNG pipeline and an air input pipeline to automatically open or close, thus enabling the mixed gas to meet the transmission standard; then the mixed gas is transmitted to the No.2 gas static mixer to be mixed with the gas with pressure adjusted by an intermediate pressure pipeline; the caloric value analyzers are used for automatic sampling and analysis and transmit signals to the signal transmitting device according to the analysis results to enable the signal transmitting device to open or close the LNG pipeline, the air input pipeline and a mixed gas output pipeline, so that the natural gas caloric value is stabilized at a specific value.
Description
Technical field
The utility model relates to a kind of heating value of natural gas adjusting device, belongs to natural gas and supplies with transportation art.
Background technology
Fuel gas supply enterprise is when supplying with combustion gas to downstream, and the calorific value of natural gas is 8500 kilocalorie/cubic meters.When upstream supplies unsaturated vapor, fuel gas supply enterprise can supplement the LNG(liquefied natural gas after gasification in pipeline), the calorific value of LNG is about 9200 kilocalorie/cubic meters.When supplementing LNG, the pipe natural gas calorific value that user side receives will rise, and when stopping supplementing LNG, user side pipe natural gas calorific value will decline.And can there is with the variation of temperature and humidity corresponding change in the calorific value of upstream supply natural gas.Now, the fluctuation of heating value of natural gas can cause some enterprises to calorific value sensitivity to produce percent defective rising.Can cause like this discontented of user, and then affect the reputation of company.Therefore, as fuel gas supply enterprise, to user, provide the stable pipe natural gas of a kind of calorific value to be necessary.
Utility model content
The purpose of this utility model is to provide a kind of heating value of natural gas adjusting device, and this device can make heating value of natural gas be stabilized in particular value, also can set described particular value simultaneously.
The technical solution that the utility model adopts is:
Heating value of natural gas adjusting device, comprises that LNG feeding mechanism, air supply device, No. 1 statical mixer of gases, No. 2 statical mixer of gases and integrated signal analyze transmitter; Described LNG feeding mechanism comprises LNG storage tank, and LNG storage tank connects No. 1 statical mixer of gases by LNG pipeline, is provided with gasifier and motor-driven valve one on LNG pipeline; Described air supply device comprises air compressor machine, and air compressor machine connects No. 1 statical mixer of gases by air intake line, is disposed with filter, cooling tower, molecular sieve adsorber and motor-driven valve two on air intake line; No. 1 statical mixer of gases is by mist output pipe access mist intake line, pressure pipeline in one termination of mist intake line, No. 2 statical mixer of gases of another termination of mist intake line are provided with LNG pump and motor-driven valve three on mist output pipe; No. 1 statical mixer of gases, No. 2 statical mixer of gases, motor-driven valve one, motor-driven valve two, motor-driven valve three, air compressor machines are all analyzed transmitter with integrated signal with LNG pump and are connected.
Preferably, described integrated signal is analyzed transmitter and is comprised the first calorific value analyzer, the second calorific value analyzer, oxygen analyzer and sender unit, No. 1 statical mixer of gases is connected with the first calorific value analyzer, oxygen analyzer, No. 2 statical mixer of gases is connected with the second calorific value analyzer, the first calorific value analyzer, oxygen analyzer are connected with sender unit respectively with the second calorific value analyzer, and sender unit is connected with motor-driven valve one, motor-driven valve two, motor-driven valve three, air compressor machine and LNG pump respectively.
Preferably, heating value of natural gas adjusting device also comprises the computer being connected with adjustment heat value instrument in door station, and computer is connected with sender unit.
Preferably, on described mist intake line, be also provided with flowmeter, described sender unit is connected with flowmeter.
Preferably, on LNG pipeline, air intake line and mist intake line, be provided with check valve.
Useful technique effect of the present utility model is:
The utility model can guarantee that fuel gas supply enterprise provides a kind of calorific value stable pipe natural gas to user, and can according to user's the calorific value that requires automatic detection pipe natural gas, improve or reduce accordingly the calorific value of natural gas, can also make in addition air mix in safe range with natural gas.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
Fig. 1 is the annexation figure of each parts in the utility model;
Fig. 2 is the connection diagram that integrated signal is analyzed transmitter and No. 1, No. 2 statical mixer of gases.
In figure: 1-LNG feeding mechanism, 11-LNG storage tank, 12-LNG pipeline, 13-gasifier, 14-Pressure gauge, 15-motor-driven valve one, 16-check valve, 17-supercharging fluid circulating line, 18-check valve, 19-booster, 2-air supply device, 21-air compressor machine, 22-air intake line, 23-filter, 24-cooling tower, 25-molecular sieve adsorber, 26-Pressure gauge, 27-motor-driven valve two, 28-check valve, 3-1 statical mixer of gases, 4-2 statical mixer of gases, 5-integrated signal is analyzed transmitter, 51-the first calorific value analyzer, 52-the second calorific value analyzer, 53-oxygen analyzer, 54-sender unit, 6-mist output pipe, 61-LNG pump, 62-Pressure gauge, 63-motor-driven valve three, 7-mist intake line, 71-flowmeter.
The specific embodiment
By reference to the accompanying drawings, heating value of natural gas adjusting device, comprises LNG feeding mechanism 1,3, No. 2 statical mixer of gases of 2, No. 1 statical mixer of gases of air supply device 4 and integrated signal analysis transmitter 5.LNG feeding mechanism 1 comprises LNG storage tank 11, and LNG storage tank 11 connects No. 1 statical mixer of gases 3 by LNG pipeline 12.On LNG pipeline 12, be provided with gasifier 13, Pressure gauge 14, motor-driven valve 1 and check valve 16.On LNG storage tank 11, be also provided with supercharging fluid circulating line 17, on supercharging fluid circulating line 17, be provided with check valve 18 and booster 19.Air supply device 2 comprises air compressor machine 21, and air compressor machine 21 connects No. 1 statical mixer of gases 3 by air intake line 22.On air intake line 22, be disposed with filter 23, cooling tower 24, molecular sieve adsorber 25, Pressure gauge 26, motor-driven valve 2 27 and check valve 28.No. 1 statical mixer of gases 3 is by mist output pipe 6 access mist intake lines 7, pressure pipeline in a termination of mist intake line 7, No. 2 statical mixer of gases 4 of another termination of mist intake line 7.On mist output pipe 6, be provided with LNG pump 61, Pressure gauge 62 and motor-driven valve 3 63.On mist intake line 7, be provided with flowmeter 71.3, No. 2 statical mixer of gases 4 of No. 1 statical mixer of gases, motor-driven valve 1, motor-driven valve 2 27, motor-driven valve 3 63, air compressor machine 21, LNG pump 61 are all analyzed transmitter 5 with integrated signal with flowmeter 71 and are connected.Integrated signal is analyzed transmitter 5 and is comprised the first calorific value analyzer 51, the second calorific value analyzer 52, oxygen analyzer 53 and sender unit 54.No. 1 statical mixer of gases 3 is connected with the first calorific value analyzer 51, oxygen analyzer 53, No. 2 statical mixer of gases 4 is connected with the second calorific value analyzer 52, the first calorific value analyzer 51, oxygen analyzer 53 are connected with sender unit 54 respectively with the second calorific value analyzer 52, and sender unit 54 is connected with motor-driven valve 1, motor-driven valve 2 27, motor-driven valve 3 63, air compressor machine 21 and LNG pump 61 respectively.Sender unit 54 is also connected with computer, by computer, controls, and computer is connected with adjustment heat value instrument in door station.
The course of work of the present utility model roughly comprises the following steps:
A liquefied natural gas is delivered to statical mixer of gases 3 No. 1 by LNG pipeline 12 after gasifier 13 vaporizations.Air through air compressor machine 21 compression, filter 23 filter, cooling tower 24 is cooling, by air intake line 22, be delivered to statical mixer of gases 3 No. 1 after molecular sieve adsorber 25 absorption.In No. 1 statical mixer of gases 3, air mixes with natural gas, forms mist.
B analyzes the mist in No. 1 statical mixer of gases 3 by the first calorific value analyzer 51 and oxygen analyzer 53 automatic samplings, and according to analysis result, the first calorific value analyzer 51 and oxygen analyzer 53 carry signal to sender unit 54.When mist does not reach standard, sender unit 54 automatically processes according to sample analysis result and composite signal makes LNG pipeline 12 and air intake line 13 automatically open or close, and finally makes mist reach transfer criteria.When mist reaches after standard, then be delivered in No. 2 statical mixer of gases 4 and mix with the gas after the pressure regulation of sub-high pressure pipeline by mist output pipe 6.
C the second calorific value analyzer 52 automatic samplings are analyzed the mist in No. 2 statical mixer of gases 4, according to analysis result, the second calorific value analyzer 52 carries signal to sender unit 54, make sender unit 54 open or close LNG pipeline 12, air intake line 22 and mist output pipe 6, make heating value of natural gas be stabilized in particular value.
D is according to user's needs, the calorific value number that on adjustment heat value instrument panel, input will reach in door station, after computer is processed, result is delivered to sender unit 54 and by sender unit 54 output signals, control LNG pipeline 12, air intake line 22 and mist output pipe 6 and open or close, make No. 2 mists in statical mixer of gases 4 reach the desired calorific value number of user.
In above-mentioned steps, sender unit 54 by control the motor-driven valve on LNG pipeline 12, air intake line 22 and mist output pipe 6 unlatching, close and unlatching scope to control the unlatching of respective line or to close, and when opening, adjust as required the unlatching scope of respective line.In addition, sender unit 54 also can be controlled the keying of air compressor machine 21 and LNG pump 61.
The relevant technologies content of not addressing in aforesaid way is taked or is used for reference prior art and can realize.
It should be noted that, under the instruction of this description, any equivalents that those skilled in the art have done, or obvious variant, all should be within protection domain of the present utility model.
Claims (5)
1. heating value of natural gas adjusting device, is characterized in that: comprise that LNG feeding mechanism, air supply device, No. 1 statical mixer of gases, No. 2 statical mixer of gases and integrated signal analyze transmitter; Described LNG feeding mechanism comprises LNG storage tank, and LNG storage tank connects No. 1 statical mixer of gases by LNG pipeline, is provided with gasifier and motor-driven valve one on LNG pipeline; Described air supply device comprises air compressor machine, and air compressor machine connects No. 1 statical mixer of gases by air intake line, is disposed with filter, cooling tower, molecular sieve adsorber and motor-driven valve two on air intake line; No. 1 statical mixer of gases is by mist output pipe access mist intake line, pressure pipeline in one termination of mist intake line, No. 2 statical mixer of gases of another termination of mist intake line are provided with LNG pump and motor-driven valve three on mist output pipe; No. 1 statical mixer of gases, No. 2 statical mixer of gases, motor-driven valve one, motor-driven valve two, motor-driven valve three, air compressor machines are all analyzed transmitter with integrated signal with LNG pump and are connected.
2. heating value of natural gas adjusting device according to claim 1, it is characterized in that: described integrated signal is analyzed transmitter and comprised the first calorific value analyzer, the second calorific value analyzer, oxygen analyzer and sender unit, No. 1 statical mixer of gases and the first calorific value analyzer, oxygen analyzer connects, No. 2 statical mixer of gases is connected with the second calorific value analyzer, the first calorific value analyzer, oxygen analyzer is connected with sender unit respectively with the second calorific value analyzer, sender unit respectively with motor-driven valve one, motor-driven valve two, motor-driven valve three, air compressor machine and LNG pump connect.
3. heating value of natural gas adjusting device according to claim 2, is characterized in that: also comprise the computer being connected with adjustment heat value instrument in door station, computer is connected with sender unit.
4. heating value of natural gas adjusting device according to claim 2, is characterized in that: on described mist intake line, be also provided with flowmeter, described sender unit is connected with flowmeter.
5. heating value of natural gas adjusting device according to claim 1, is characterized in that: on LNG pipeline, air intake line and mist intake line, be provided with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630330.XU CN203494411U (en) | 2013-10-12 | 2013-10-12 | Natural gas caloric value adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630330.XU CN203494411U (en) | 2013-10-12 | 2013-10-12 | Natural gas caloric value adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203494411U true CN203494411U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320630330.XU Expired - Fee Related CN203494411U (en) | 2013-10-12 | 2013-10-12 | Natural gas caloric value adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203494411U (en) |
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2013
- 2013-10-12 CN CN201320630330.XU patent/CN203494411U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141012 |
|
| EXPY | Termination of patent right or utility model |