CN109595375A - A kind of oil field pipe delivery safety valve - Google Patents
A kind of oil field pipe delivery safety valve Download PDFInfo
- Publication number
- CN109595375A CN109595375A CN201910077630.1A CN201910077630A CN109595375A CN 109595375 A CN109595375 A CN 109595375A CN 201910077630 A CN201910077630 A CN 201910077630A CN 109595375 A CN109595375 A CN 109595375A
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- China
- Prior art keywords
- iron core
- spring
- partition
- tube body
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
Abstract
The present invention discloses a kind of oil field pipe delivery safety valve.The both ends of tube body are for connecting petroleum pipeline；The top of tube body connects valve port, and the top of valve port is fixed with valve deck, and valve port and tubular body penetrate through；The area of partition and the end face of tube body are consistent；The circular outside face of partition and the inner wall of tube body are welded and fixed；Partition center includes oil transportation through-hole, the diameter of the diameter of oil transportation through-hole less than the first spring；Connecting column runs through oil transportation through-hole；One end of connecting column is connect through the first spring inner and with baffle；The other end is connect with sealing plate；Baffle and sealing plate are parallel with partition；First iron core is fixed in valve port by second spring, and one end and the valve deck of second spring are fixed, and the other end is fixedly connected with the first iron core, the corresponding lower part tube wall for being fixed on tube body of the second iron core；Second iron core has been externally wrapped with coil, the output end connection of coil and control circuit.The present invention can cut off petroleum access in pipeline when fire occurs for fire in time, guarantee the safety of pipeline.
Description
Technical field
The present invention relates to oil field equipment fields, more particularly to a kind of oil field pipe delivery safety valve.
Background technique
With China's expanding economy, petroleum gas demand is steeply risen.Pipeline transportation is as petroleum gas master
Mode of movement is wanted, increasingly important role is played.And during the pipeline transportation of petrochemical industry, if a certain delivery tube
There are the abnormal conditions such as fire in road, it is necessary to which the access for quickly timely cutting off petroleum in pipeline avoids fire incident and leakage thing
Therefore generation, otherwise will appear very big security risk.Current safety valve is generally only pressure safety valve, can not be sent out in fire
It is taken timely measure when raw, guarantees the safety of pipeline, avoid the damage of personnel.
Summary of the invention
The object of the present invention is to provide a kind of oil field pipe delivery safety valves, cut off pipeline in time when fire occurs for fire
Interior petroleum access, guarantees the safety of pipeline.
To achieve the above object, the present invention provides following schemes:
A kind of oil field pipe delivery safety valve, comprising: tube body, partition, connecting column, baffle, the first spring, sealing plate, valve
Mouth, valve deck, iron core are to, second spring and control circuit；The both ends of the tube body are for connecting petroleum pipeline；The top of the tube body
The valve port is connected, the top of the valve port is fixed with the valve deck, and the valve port and the tubular body penetrate through；It is described every
Plate, baffle, the first spring, sealing plate, second spring and control circuit are respectively positioned in the tube body；
The partition is circular bulkheads, and the area of the partition is consistent with the end face of the tube body；The circle of the partition
Shape lateral surface and the inner wall of the tube body are welded and fixed；The partition center includes oil transportation through-hole, the diameter of the oil transportation through-hole
Less than the diameter of first spring；
The connecting column runs through the oil transportation through-hole；The first end of the connecting column through first spring inner simultaneously
It is connect with the baffle；First spring is between the baffle and the partition；The second end of the connecting column and institute
State sealing plate connection；The baffle and the sealing plate are circular slab, and the area of the baffle and the sealing plate is big
In the area of the oil transportation through-hole；The disc of the baffle and the sealing plate is parallel with the disc of the partition；When described
When sealing plate and the baffle contacts, the baffle is not contacted with the partition, and first spring is in compressive state；
For the iron core to including the first iron core and the second iron core, first iron core is fixed on institute by the second spring
It states in valve port, the first end of the second spring is fixedly connected with the valve deck, the second end of the second spring and described the
The upper surface of one iron core is fixedly connected, the corresponding lower part tube wall for being fixed on the tube body of second iron core；The second spring
Elastic force direction it is vertical with the elastic force direction of first spring；Second iron core has been externally wrapped with coil, the coil with
The output end of the control circuit connects；
It include power supply and thermistor in the control circuit, when the resistance value of the thermistor is greater than setting resistance value,
The control circuit conducting.
Optionally, the sum of the height of first iron core and the height of second iron core are greater than the diameter of the tube body.
Optionally, the center of the lower end surface of first iron core is fixed with pillar, in the upper surface of second iron core
Heart fixation is fluted；The size of the groove is matched with the size of the pillar, when first iron core lower end surface with it is described
When the upper end face contact of the second iron core, in the pillar clamping and the groove.
Optionally, when the control circuit does not turn on, first iron core and second iron core are not contacted；The control
When circuit is connected, the lower end surface of first iron core is bonded with the upper surface of second iron core.
It optionally, further include alarm, the power supply line of the alarm accesses the access in the control circuit, when described
When control circuit is connected, the alarm starting alarm.
Optionally, the control circuit specifically includes: the first power supply, second source, the first access, alternate path, voltage
Comparator and triode；
It is connected with first resistor and thermistor on first access, the first end connection of first access described the
The anode of one power supply, the second end of first access connect the cathode of first power supply；It is connected on the alternate path
3rd resistor and the 4th resistance, the first end of the alternate path connect the anode of first power supply, the alternate path
Second end connects the cathode of first power supply；
The input terminal of the voltage comparator connects first access, and is connected to the first resistor and temperature-sensitive electricity
Between resistance；The reference circuit input terminal of the voltage comparator connects the alternate path, and is connected to the 3rd resistor and institute
It states between the 4th resistance；The output end of the voltage comparator connects the base stage of the triode；
The collector of the triode connects the anode of the second source；The emitter of the triode and the coil
First end connection, the second end of the coil connect with the cathode of the second source.
Optionally, gapless between the circular outside face of the partition and the inner wall of the tube body.
Optionally, the inner wall of the valve deck is provided with internal screw thread, and the tip exterior of the valve port is provided with external screw thread, described
Valve deck is connect with the valve port by being threadedly engaged.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
The present invention controls the on-off of control circuit by thermistor, and then realizes the fit-state of iron core pair.Work as appearance
When fire, temperature is increased, by thermistor turn-on control circuit, so that iron core is greater than second spring to the magnetic force of generation
Elastic force, iron core blocks the access of tubular body to fitting, realizes the effect for blocking oil circuit.Meanwhile the present invention by every
The design of plate, connecting column, baffle, the first spring and sealing plate remains the performance of pressure safety valve, ensure that petroleum pipeline
Safe operation.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of oil field pipe delivery safety valve of the present invention；
Fig. 2 is the schematic diagram of control circuit in the present invention.
Label is corresponded in figure are as follows: 1 tube body, 2 partitions, 3 connecting columns, 4 baffles, 5 first springs, 6 sealing plates, 7 valve ports, 8 valves
Lid, the first iron core of 9-1, the second iron core of 9-2,10 second springs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the structural schematic diagram of oil field pipe delivery safety valve of the present invention.As described in Figure 1, the oil field pipe conveying
Safety valve includes: tube body 1, partition 2, connecting column 3, baffle 4, the first spring 5, sealing plate 6, valve port 7, valve deck 8, iron core to (packet
Include the first iron core 9-1 and the second iron core 9-2), second spring 10 and control circuit (being not marked in figure).
The both ends of the tube body 1 are for connecting petroleum pipeline；The top of the tube body 1 connects the valve port 7, the valve port 7
Top be fixed with the valve deck 8, the valve port 7 and 1 internal run-through of tube body.Valve port 7 and valve deck 8 can be matched by screw thread
The mode of conjunction connects, at this point, the inner wall of the valve deck 8 is provided with internal screw thread, the tip exterior of the valve port 7 is provided with outer spiral shell
Line, the valve deck 8 are connect with the valve port 7 by being threadedly engaged.It can also be according to actual needs using other connection types
Realize the fixation of valve port 7 and valve deck 8.The partition 2, baffle 4, the first spring 5, sealing plate 6, second spring 10 and control circuit
It is respectively positioned in the tube body 1.
The partition 2 is circular bulkheads, and the area of the partition 2 is consistent with the end face of the tube body 1；The partition 2
Circular outside face and the inner wall of the tube body 1 be welded and fixed；2 center of partition includes oil transportation through-hole, the oil transportation through-hole
Diameter be less than first spring 5 diameter.Between the circular outside face of the partition 2 and the inner wall of the tube body 1 continuously
Gap.The oil transportation through-hole of the partition 2 is for being connected oil circuit.
The connecting column 3 runs through the oil transportation through-hole；The first end of the connecting column 3 is through in first spring 5
Portion is simultaneously connect with the baffle 4；First spring 5 is between the baffle 4 and the partition 3；The of the connecting column 3
Two ends are connect with the sealing plate 6；The baffle 4 and the sealing plate 6 are circular slab, and the baffle 4 and the sealing
The area of plate 6 is all larger than the area of the oil transportation through-hole；The disc of the baffle 4 and the sealing plate 6 with the partition 2
Disc is parallel；When the sealing plate 6 is contacted with the partition 2, the baffle 4 is not contacted with the partition 2, first bullet
Spring 5 is in compressive state.When oil pipeline operates normally, the first spring 5 is in micro- compressive state, at this time sealing plate 6 and partition 2
Contact.When oil pipeline left pressure is excessive, by compressing the first spring 5, so that sealing plate 6 is not contacted with partition 2, tube body
Oil circuit is connected in 1, realizes the pressure release of oil circuit.
The iron core passes through second bullet to including the first iron core 9-1 and the second iron core 9-2, the first iron core 9-1
Spring 10 is fixed in the valve port 7, and the first end of the second spring 10 is fixedly connected with the valve deck 8, the second spring
10 second end is fixedly connected with the upper surface of the first iron core 9-1, and the second iron core 9-2 correspondence is fixed on the tube body
1 lower part tube wall.Second iron core 9-2 can be fixed by the lower part tube wall of buffer unit and tube body 1, realize the second iron core 9-2
Lower end surface connected with the lower tube wall seamless gap of tube body 1.The height of the height of first iron core 9-1 and the second iron core 9-2
The sum of be greater than the tube body 1 diameter.
The elastic force direction of the second spring 10 is vertical with the elastic force direction of first spring 5；The second iron core 9-2
It is externally wrapped with coil, the coil is connect with the output end of the control circuit.It include power supply and heat in the control circuit
Quick resistance, when the resistance value of the thermistor is greater than setting resistance value, the control circuit conducting.The control circuit does not turn on
When, the first iron core 9-1 and the second iron core 9-2 are not contacted；When the control circuit is connected, the first iron core 9-1
Lower end surface be bonded with the upper surface of the second iron core 9-2.
It preferably but is not limited to, the center of the lower end surface of the first iron core 9-1 is fixed with pillar, the second iron core 9-
The center fixation of 2 upper surface is fluted；The size of the groove is matched with the size of the pillar, as the first iron core 9-
When the upper end face contact of 1 lower end surface and the second iron core 9-2, the pillar clamping realizes seamless card in the groove
It connects, further increases the efficiency for blocking petroleum access.
Further, oil field pipe delivery safety valve of the invention further includes alarm, and the power supply line of the alarm connects
Enter the access in the control circuit, when control circuit conducting, the alarm starting alarm, to remind staff
Fire hazard.
Detailed construction about control circuit is as shown in Fig. 2, Fig. 2 is the schematic diagram of control circuit in the present invention.The control
Circuit processed specifically includes: the first power supply vcc1, second source vcc2, the first access, alternate path, voltage comparator and three poles
Pipe.
First resistor R is connected on first access1With thermistor RC, the first end connection institute of first access
The anode of the first power supply vcc1 is stated, the second end of first access connects the cathode (ground connection) of first power supply.Described
Two-way road is connected with 3rd resistor R3With the 4th resistance R4, first end connection the first power supply vcc1 of the alternate path
Anode, the second end of the alternate path connects the cathode (ground connection) of the first power supply vcc1.
The input terminal of the voltage comparator connects first access, and is connected to first resistor R1With thermistor RCIt
Between；The reference circuit input terminal of the voltage comparator connects the alternate path, and is connected to 3rd resistor R3With the 4th resistance R4
Between.The output end of the voltage comparator connects the base stage of the triode；The collector connection described the of the triode
The anode of two power supply vcc2 accesses resistance R in figure between the collector and second source vcc2 of triode5；The triode
Emitter is connect with the first end of the coil, and the second end of the coil connect with the cathode of the second source vcc2 and (connects
Ground).
When a fire, the resistance value of thermistor increases, so that the voltage of the input terminal of voltage comparator is greater than base
The triode is connected in the voltage value of quasi- circuit input end, voltage comparator output signal, forms access.At this point, having in coil
Electric current passes through, so that the effect of oil circuit in blocking tube body is realized in the first iron core and the magnetization of the second iron core, the two fitting.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of oil field pipe delivery safety valve characterized by comprising tube body, partition, connecting column, baffle, the first spring,
Sealing plate, valve port, valve deck, iron core are to, second spring and control circuit；The both ends of the tube body are for connecting petroleum pipeline；It is described
The top of tube body connects the valve port, and the top of the valve port is fixed with the valve deck, and the valve port is passed through with the tubular body
It is logical；The partition, baffle, the first spring, sealing plate, second spring and control circuit are respectively positioned in the tube body；
The partition is circular bulkheads, and the area of the partition is consistent with the end face of the tube body；The circle of the partition is outer
Side and the inner wall of the tube body are welded and fixed；The partition center includes oil transportation through-hole, and the diameter of the oil transportation through-hole is less than
The diameter of first spring；
The connecting column runs through the oil transportation through-hole；The first end of the connecting column through first spring inner and with institute
State baffle connection；First spring is between the baffle and the partition；The second end of the connecting column with it is described close
Sealing plate connection；The baffle and the sealing plate are circular slab, and the area of the baffle and the sealing plate is all larger than institute
State the area of oil transportation through-hole；The disc of the baffle and the sealing plate is parallel with the disc of the partition；When the sealing
When plate and the baffle contacts, the baffle is not contacted with the partition, and first spring is in compressive state；
For the iron core to including the first iron core and the second iron core, first iron core is fixed on the valve by the second spring
In mouthful, the first end of the second spring is fixedly connected with the valve deck, the second end of the second spring and first iron
The upper surface of core is fixedly connected, the corresponding lower part tube wall for being fixed on the tube body of second iron core；The bullet of the second spring
Power direction is vertical with the elastic force direction of first spring；Second iron core has been externally wrapped with coil, the coil with it is described
The output end of control circuit connects；
It is described when the resistance value of the thermistor is greater than setting resistance value including power supply and thermistor in the control circuit
Control circuit conducting.
2. oil field pipe delivery safety valve according to claim 1, which is characterized in that the height of first iron core and institute
State the diameter that the sum of height of the second iron core is greater than the tube body.
3. oil field pipe delivery safety valve according to claim 1, which is characterized in that the lower end surface of first iron core
Center is fixed with pillar, and the center fixation of the upper surface of second iron core is fluted；The size of the groove and the pillar
Size matching, when the upper end face contact of the lower end surface of first iron core and second iron core, the pillar clamping with
In the groove.
4. oil field pipe delivery safety valve according to claim 1, which is characterized in that when the control circuit does not turn on,
First iron core and second iron core do not contact；When the control circuit is connected, the lower end surface of first iron core and institute
State the upper surface fitting of the second iron core.
5. oil field pipe delivery safety valve according to claim 1, which is characterized in that it further include alarm, the alarm
The power supply line of device accesses the access in the control circuit, when control circuit conducting, the alarm starting alarm.
6. oil field pipe delivery safety valve according to claim 1, which is characterized in that the control circuit specifically includes:
First power supply, second source, the first access, alternate path, voltage comparator and triode；
First resistor and thermistor, the first end connection of first access first electricity are connected on first access
The anode in source, the second end of first access connect the cathode of first power supply；Third is connected on the alternate path
Resistance and the 4th resistance, the first end of the alternate path connect the anode of first power supply, and the second of the alternate path
End connects the cathode of first power supply；
The input terminal of the voltage comparator connects first access, and be connected to the first resistor and the thermistor it
Between；The reference circuit input terminal of the voltage comparator connects the alternate path, and is connected to the 3rd resistor and described the
Between four resistance；The output end of the voltage comparator connects the base stage of the triode；
The collector of the triode connects the anode of the second source；The of the emitter of the triode and the coil
One end connection, the second end of the coil are connect with the cathode of the second source.
7. oil field pipe delivery safety valve according to claim 1, which is characterized in that the circular outside face of the partition with
Gapless between the inner wall of the tube body.
8. oil field pipe delivery safety valve according to claim 1, which is characterized in that in the inner wall of the valve deck is provided with
Screw thread, the tip exterior of the valve port are provided with external screw thread, and the valve deck is connect with the valve port by being threadedly engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077630.1A CN109595375B (en) | 2019-01-28 | 2019-01-28 | Oil field pipeline transportation safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077630.1A CN109595375B (en) | 2019-01-28 | 2019-01-28 | Oil field pipeline transportation safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595375A true CN109595375A (en) | 2019-04-09 |
| CN109595375B CN109595375B (en) | 2020-10-16 |
Family
ID=65966689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910077630.1A Active CN109595375B (en) | 2019-01-28 | 2019-01-28 | Oil field pipeline transportation safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595375B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197682A (en) * | 1983-04-22 | 1984-11-09 | Keiichi Yasukawa | Flow classifier valve by temperature |
| CN203730863U (en) * | 2014-03-27 | 2014-07-23 | 宁波路玛电器有限公司 | Hydraulic pipe damping pressure release valve for coffee machine |
| CN204300453U (en) * | 2014-12-12 | 2015-04-29 | 王一鸣 | A kind of automation Oil Safety valve |
| CN204739266U (en) * | 2015-05-29 | 2015-11-04 | 夏步前 | LNG ( liquefied natural gas ) hangs down resistance automatic control check valve device |
| CN205483272U (en) * | 2015-10-09 | 2016-08-17 | 国家电网公司 | Transformer top oil temperature's temperature alarm device |
| CN205896319U (en) * | 2016-08-12 | 2017-01-18 | 江苏省安全生产科学研究院 | Passive quick automatic stop valve |
| CN206159590U (en) * | 2016-08-31 | 2017-05-10 | 刘圆 | Oil relief valve |
| CN107237896A (en) * | 2017-06-28 | 2017-10-10 | 扬中市第蝶阀厂有限公司 | A kind of Novel regulating valve |
| CN207906528U (en) * | 2017-12-30 | 2018-09-25 | 振石集团东方特钢有限公司 | A kind of through type can shut off the safe hydraulic pressure connection valve of voltage stabilizing |
-
2019
- 2019-01-28 CN CN201910077630.1A patent/CN109595375B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197682A (en) * | 1983-04-22 | 1984-11-09 | Keiichi Yasukawa | Flow classifier valve by temperature |
| CN203730863U (en) * | 2014-03-27 | 2014-07-23 | 宁波路玛电器有限公司 | Hydraulic pipe damping pressure release valve for coffee machine |
| CN204300453U (en) * | 2014-12-12 | 2015-04-29 | 王一鸣 | A kind of automation Oil Safety valve |
| CN204739266U (en) * | 2015-05-29 | 2015-11-04 | 夏步前 | LNG ( liquefied natural gas ) hangs down resistance automatic control check valve device |
| CN205483272U (en) * | 2015-10-09 | 2016-08-17 | 国家电网公司 | Transformer top oil temperature's temperature alarm device |
| CN205896319U (en) * | 2016-08-12 | 2017-01-18 | 江苏省安全生产科学研究院 | Passive quick automatic stop valve |
| CN206159590U (en) * | 2016-08-31 | 2017-05-10 | 刘圆 | Oil relief valve |
| CN107237896A (en) * | 2017-06-28 | 2017-10-10 | 扬中市第蝶阀厂有限公司 | A kind of Novel regulating valve |
| CN207906528U (en) * | 2017-12-30 | 2018-09-25 | 振石集团东方特钢有限公司 | A kind of through type can shut off the safe hydraulic pressure connection valve of voltage stabilizing |
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| Publication number | Publication date |
|---|---|
| CN109595375B (en) | 2020-10-16 |
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Effective date of registration: 20200916 Address after: 224700 Yancheng City Jianhu County, Jiangsu Province Economic Development Zone No. 19 North Star Applicant after: Yancheng Baotong Machinery Technology Co.,Ltd. Address before: Room 401, 3rd Gate, No. 1-29, Marlboro District, Reyuan Street, Saertu District, Daqing City, Heilongjiang Province, 163000 Applicant before: Bian Hongli |
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