CN209604884U - A kind of safety device of the air accumulator of heated asphalt - Google Patents
A kind of safety device of the air accumulator of heated asphalt Download PDFInfo
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- CN209604884U CN209604884U CN201920398056.5U CN201920398056U CN209604884U CN 209604884 U CN209604884 U CN 209604884U CN 201920398056 U CN201920398056 U CN 201920398056U CN 209604884 U CN209604884 U CN 209604884U
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- gas
- natural gas
- air accumulator
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Abstract
The utility model discloses a kind of safety devices of the air accumulator of heated asphalt, including natural gas air accumulator, liquefied natural gas gas outlet, gaseous natural gas gas outlet, natural gas filling entrance are provided on natural gas air accumulator, the liquefied natural gas gas outlet is connected with liquid flow-limited valve by pipeline, and liquid flow-limited valve output is connected with feedback cycle heating device；Evacuated tube is provided on natural gas air accumulator.The feedback cycle heating device includes feedback heating pipeline, the output end of the input terminal and liquid flow-limited valve of feedback heating pipeline is connected, the output end of feedback heating pipeline is connected with feedback valve, the output end of feedback valve is connected with circulating pump, and the input terminal of circulating pump is connected with feedback valve.By the way that mixing tube is arranged, the natural gas discharged into the atmosphere can be maximumlly diluted, release gaseous safety is improved.
Description
Technical field
The utility model relates to a kind of safety adjustable-pressure devices, anti-more particularly to a kind of safety of the air accumulator of heated asphalt
Protection unit.
Background technique
With the continuous development of highway communication, construction of the highway progresses into mechanical times, by asphalt, realizes public
The durability on road, and it is maintainable.Pitch construction when, in order to increase its mobility and viscosity, need to heat it and
Heat preservation.Since the laying of road needs a large amount of bituminous concrete raw material, when heating, needs to use a large amount of heating material, usually
Using natural gas as heating former material.But during heating, required amount of natural gas is very big, needs using natural gas storage
Jar is stored, and during storage, due to the variation of external environment, it is excessive may to generate natural gas storage jar pressure
Or too small problem.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing a kind of air accumulator of heated asphalt
Safety device, solve the problems, such as that natural gas storage jar pressure is excessive, solve natural gas storage jar pressure mistake
Small problem, during solving natural gas vent, local concentration excessive two leads to the problem of dangerous.
The technical solution adopted in the utility model is as follows:
A kind of safety device of the air accumulator of heated asphalt, including natural gas air accumulator are set on natural gas air accumulator
It is equipped with liquefied natural gas gas outlet, gaseous natural gas gas outlet, natural gas filling entrance, the liquefied natural gas gas outlet passes through pipe
Road is connected with liquid flow-limited valve, and liquid flow-limited valve output is connected with feedback cycle heating device；On natural gas air accumulator
It is provided with evacuated tube.
Further, the utility model discloses a kind of preferred knots of the safety device of the air accumulator of heated asphalt
Structure, the feedback cycle heating device include feedback heating pipeline, feed back the input terminal and liquid flow-limited valve for heating pipeline
Output end is connected, and the output end of feedback heating pipeline is connected with feedback valve, and the output end for feeding back valve is connected with circulation
The input terminal of pump, circulating pump is connected with feedback valve.
Further, the output end of the circulating pump is connected with vaporizer, the input terminal of the vaporizer by pipeline with
The output end of circulating pump is connected, and the output end of vaporizer is connected with gas feedback current limliting valve.
Further, the output end of the gas feedback current limliting valve is connected by pipeline with natural gas air accumulator；Institute
Stating liquid flow-limited valve is electric control valve.
Further, vent gas pressure limiting valve, the output end connection of vent gas pressure limiting valve are connected in the evacuated tube
There is mixer, the mixer includes several mixing tubes.
Further, several mixing tubes are connected by bifurcated connecting tube with evacuated tube.
Further, the mixing tube includes mixed gas pipe, the input terminal and bifurcated connecting tube of mixed gas pipe
It is connected, the output end of mixed gas pipe is provided with gas liberation port, and it is natural that the discharge diameter of gas liberation port is less than mixing
The internal diameter of tracheae.
Further, the periphery of the mixed gas pipe end is provided with connection frame, and connection frame is fixedly connected with mixing
Tracheae, mixture pipe are set in gas liberation port periphery, the open setting in mixture pipe both ends.
Further, the diameter proportion of the diameter of the gas liberation port and mixture pipe is 1:25-50.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. it is too low in the pressure of natural gas storage jar by setting feedback cycle device, it cannot be provided for the external world enough
Natural gas flow velocity when, the pressure of natural gas storage jar can be improved, guarantee the normal operation of jar；
2. by setting evacuated tube, the pressure of natural gas storage jar it is excessively high, will affect equipment it is safe when, pass through row
Extra natural gas is put, the pressure of natural gas storage jar is reduced, guarantees the safety of equipment；
3. can maximumlly dilute the natural gas discharged into the atmosphere by setting mixing tube, release gas safety is improved
Property.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model mixer structure schematic diagram；
Fig. 3 is the utility model mixing tube structural schematic diagram；
Marked in the figure: 1 is natural gas air accumulator, 2 be liquefied natural gas gas outlet, and 3 be gaseous natural gas gas outlet, and 4 are
Natural gas filling entrance, 5 be liquid flow-limited valve, and 6 be Gas flow-limiting valve, and 7 be gas-liquid current limliting valve, and 8 be feedback heating pipeline,
9 be circulating pump, and 10 be vaporizer, and 11 be gas feedback current limliting valve, and 12 be evacuated tube, and 13 be vent gas pressure limiting valve, and 14 are
Mixer, 15 be mixing tube, and 16 be feedback valve；
151 be mixed gas pipe, and 152 be mixture pipe, and 153 be connection frame, and 154 be gas liberation port.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1-Figure 3, the utility model includes natural gas air accumulator 1, and liquefaction day is provided on natural gas air accumulator 1
Right gas gas outlet 2 is provided with liquid flow-limited valve 5 on liquefied natural gas gas outlet 2.The output end of liquid flow-limited valve 5 connects
There is feedback heating pipeline 8, the input terminal of feedback heating pipeline 8 is connected with liquid flow-limited valve 5, the output of feedback heating pipeline 8
End is connected with feedback valve 16.The output end of feedback valve 16 is connected with circulating pump 9, the input terminal and feedback valve of circulating pump 9
16 output end connection.The output end of circulating pump 9 is connected with vaporizer 10.
The input terminal of the vaporizer 10 is connect with the output end of circulating pump 9, and the output end of the vaporizer 10 is connected with
The input terminal of gas feedback current limliting valve 11, gas feedback current limliting valve 11 is connect with the output end of vaporizer 10, gas feedback
The output end of current limliting valve 11 is connected by pipeline with natural gas air accumulator 1.
The liquid flow-limited valve 5, gas feedback current limliting valve 11, feedback valve 16 are solenoid valve.It is described liquid flow-limited
Valve 5, gas feedback current limliting valve 11, feedback valve 16, circulating pump 9 are respectively connected with circuit controller.
When specifically used, pressure sensor is provided in natural gas air accumulator 1, pressure sensor is connected with circuit controller
It is logical.
Pressure in natural gas air accumulator 1 is passed to circuit controller by carrying out practically process, pressure sensor.When natural
Pressure in gas air accumulator 1 lower than after preset value, circuit controller control liquid flow-limited valve 5, gas feedback current limliting valve 11,
It feeds back valve 16 to open, and starts circulating pump 9.
Circulating pump 9 extracts the liquified natural gas in natural gas air accumulator 1 out, and is pumped into vaporizer 10, vaporizer 10
With regard to liking that liquified natural gas gasifies, and natural gas air accumulator 1 is input to by gas feedback current limliting valve 11.
In this way, a part of natural gas gasifying is just improved the pressure in natural gas air accumulator 1；Guarantee natural gas air accumulator 1
Normal operation, provide enough gas pressures and flow velocity for the external world.
Embodiment 1:
The utility model includes natural gas air accumulator 1, and gaseous natural gas gas outlet 3, day are provided on natural gas air accumulator 1
Right gas inlet 4 is provided with Gas flow-limiting valve 6 on gaseous natural gas gas outlet 3, is provided on natural gas filling entrance 4 natural
Gas inlet 4.
It is natural by being arranged for providing gaseous natural gas appropriate for the external world by the way that gaseous natural gas gas outlet 3 is arranged
Gas inlet 4, convenient for filling natural gas.
Embodiment 2:
The utility model includes natural gas air accumulator 1, and the utility model includes that gaseous state day is provided on natural gas air accumulator 1
Right gas gas outlet 3 is provided with Gas flow-limiting valve 6 on gaseous natural gas gas outlet 3.Emptying is connected on natural gas air accumulator 1
Pipe 12
Vent gas pressure limiting valve 13 is connected in the evacuated tube 12, the output end of vent gas pressure limiting valve 13 is connected with mixed
Clutch 14, the mixer 14 include several mixing tubes 15.
Vent gas pressure limiting valve 13 is pressure limiting valve, when the pressure in natural gas air accumulator 1 is excessive, vent gas pressure limiting valve
13 automatically open, and natural gas is excluded.
Liquified natural gas evaporation in natural gas air accumulator 1, temperature reduce rapidly, and the pressure in natural gas air accumulator 1 is fast
Speed reduces.When being reduced to certain value, vent gas pressure limiting valve 13 is automatically closed.In this way, in the pressure of natural gas storage jar
It is excessively high, will affect equipment it is safe when, by discharging extra natural gas, reduce the pressure of natural gas storage jar, guarantee to set
Standby safety.
Embodiment 3:
Several mixing tubes 15 are connected by bifurcated connecting tube with evacuated tube 12.The mixing tube 15 includes mixing day
Right tracheae 151, the input terminal of mixed gas pipe 151 are connected with bifurcated connecting tube, and the output end of mixed gas pipe 151 is set
It is equipped with gas liberation port 154, the discharge diameter of gas liberation port 154 is less than the internal diameter of mixed gas pipe 151.
The periphery of 151 end of mixed gas pipe is provided with connection frame 153, and connection frame 153 is fixedly connected with mixing
Tracheae 152, mixture pipe 152 are set in 154 periphery of gas liberation port, the open setting in 152 both ends of mixture pipe.It is described
The diameter of gas liberation port 154 and the diameter proportion of mixture pipe 152 are 1:25-50.
When discharging gas, gas is excluded from gas liberation port 154, and flow velocity is big, and air pressure is low, very joyous energy and mixture pipe
Air in 152 is mixed into the concentration that concentration is far below the gas explosion limit, guarantees safety.
And by the way that multiple mixed gas pipes 151 are arranged, the rate of dispersion of natural gas can be provided significantly, further increase peace
Quan Xing.
In this way, can maximumlly dilute the natural gas discharged into the atmosphere by setting mixing tube, release gas peace is improved
Quan Xing.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of safety device of the air accumulator of heated asphalt, it is characterised in that: including natural gas air accumulator (1), naturally
Liquefied natural gas gas outlet (2), gaseous natural gas gas outlet (3), natural gas filling entrance (4), institute are provided on gas air accumulator (1)
It states liquefied natural gas gas outlet (2) to be connected with liquid flow-limited valve (5) by pipeline, liquid flow-limited valve (5) output end connection
There is feedback cycle heating device；Evacuated tube (12) are provided on natural gas air accumulator (1).
2. a kind of safety device of the air accumulator of heated asphalt as described in claim 1, it is characterised in that: the feedback
Circulating heater includes feedback heating pipeline (8), input terminal and the liquid flow-limited valve (5) of feedback heating pipeline (8) it is defeated
Outlet is connected, and the output end of feedback heating pipeline (8) is connected with feedback valve (16), and the output end of feedback valve (16) connects
It is connected to circulating pump (9), the input terminal of circulating pump (9) is connected with feedback valve (16).
3. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 2, it is characterised in that: the circulation
The output end of pump (9) is connected with vaporizer (10), and the input terminal of the vaporizer (10) passes through the output of pipeline and circulating pump (9)
End is connected, and the output end of vaporizer (10) is connected with gas feedback current limliting valve (11).
4. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 3, it is characterised in that: the gas
The output end of feedback current limliting valve (11) is connected by pipeline with natural gas air accumulator (1)；The liquid flow-limited valve (5) and
Gas feedback current limliting valve (11) is electric control valve.
5. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 4, it is characterised in that: the emptying
It being connected with vent gas pressure limiting valve (13) on pipe (12), the output end of vent gas pressure limiting valve (13) is connected with mixer (14),
The mixer (14) includes several mixing tubes (15).
6. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 5, it is characterised in that: described several
Mixing tube (15) is connected by bifurcated connecting tube with evacuated tube (12).
7. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 6, it is characterised in that: the mixing
Managing (15) includes mixed gas pipe (151), and the input terminal of mixed gas pipe (151) is connected with bifurcated connecting tube, mixing
The output end of natural gas tube (151) is provided with gas liberation port (154), and the discharge diameter of gas liberation port (154) is less than mixing
The internal diameter of natural gas tube (151).
8. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 7, it is characterised in that: the mixing
The periphery of natural gas tube (151) end is provided with connection frame (153), and connection frame (153) is fixedly connected with mixture pipe (152),
Mixture pipe (152) is set in gas liberation port (154) periphery, the open setting in mixture pipe (152) both ends.
9. a kind of safety device of the air accumulator of heated asphalt as claimed in claim 8, it is characterised in that: the gas
The diameter of liberation port (154) and the diameter proportion of mixture pipe (152) are 1:25-50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398056.5U CN209604884U (en) | 2019-03-27 | 2019-03-27 | A kind of safety device of the air accumulator of heated asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398056.5U CN209604884U (en) | 2019-03-27 | 2019-03-27 | A kind of safety device of the air accumulator of heated asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604884U true CN209604884U (en) | 2019-11-08 |
Family
ID=68405522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920398056.5U Active CN209604884U (en) | 2019-03-27 | 2019-03-27 | A kind of safety device of the air accumulator of heated asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604884U (en) |
-
2019
- 2019-03-27 CN CN201920398056.5U patent/CN209604884U/en active Active
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