CN215337095U - Intelligent natural gas throttling ice blocking prevention device - Google Patents
Intelligent natural gas throttling ice blocking prevention device Download PDFInfo
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- CN215337095U CN215337095U CN202120433103.2U CN202120433103U CN215337095U CN 215337095 U CN215337095 U CN 215337095U CN 202120433103 U CN202120433103 U CN 202120433103U CN 215337095 U CN215337095 U CN 215337095U
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- 239000003345 natural gas Substances 0.000 title claims abstract description 47
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model discloses an intelligent natural gas throttling ice blockage prevention device in the field of natural gas collection and transportation, which comprises an intelligent remote monitoring temperature recorder, an intelligent power socket switch, a liquid level display meter, a circulating pipeline pump and an intelligent water heater, wherein the intelligent remote monitoring temperature recorder, the intelligent power socket switch, the liquid level display meter, the circulating pipeline pump and the intelligent water heater are arranged in a movable box body. Meanwhile, the intelligent temperature recorder in the movable box is connected with the temperature sensing probe in the flexible heat exchange bag through a line, real-time temperature in the heat exchange bag can be remotely known through mobile internet signals, and therefore the power-on and power-off time of the intelligent power socket is remotely set through WIFI of a field station so as to link the circulating pipeline pump and the water heater to work, and the purpose of intelligently preventing ice blockage of a throttling part in a natural gas collecting, transporting and distributing process is achieved.
Description
Technical Field
The utility model relates to the technical field of natural gas extraction, transmission and distribution, in particular to a device for preventing ice blockage at a throttling part in a natural gas extraction, transmission and distribution flow process.
Background
In order to guarantee the national energy demand, the development and exploitation strength of natural gas is increased in China, the pressure of the original stratum of the natural gas in the stratum is generally more than dozens of MPa, the natural gas can be transported out of a gas well without an underground restrictor after being processed by a gas production tree of a wellhead device and the processes of ground multi-stage throttling depressurization, separation, metering, purification and the like, and the natural gas is prevented from being frozen due to ice blockage at the throttling part in the process by a water jacket heating furnace or the technologies of adding an antifreezing agent or an electric tracing band for heating and the like at the initial stage of gas well exploitation. The addition of the antifreeze agent requires special setting of filling and recovery processes; when the electric tracing band is used, particularly in rainy and snowy days, the risks of electric leakage and short circuit are easy to occur; the water jacket furnace generally heats the natural gas in the station in a whole flow, the natural gas is not economical to operate for a long time in the middle and later periods of gas well exploitation, water jacket heating furnace equipment is generally cancelled in the flows of some normal-temperature exploitation and transportation stations, but along with seasonal changes, particularly when extreme cold winter comes, ice blockage phenomena easily occur at local throttling parts in the exploitation and transportation flows, such as needle valves, pressure regulating valves and other local throttling parts, so that the phenomena of flow pressure and the like of the natural gas exploitation and transportation stations are caused, and the exploitation and transportation of natural gas are influenced.
In the face of the situation, a common solution at present is to manually boil water to drench and remove ice blockage, which is an innovative improvement to the wide popularization of the intelligent gas field and the unattended station of the internet of things today.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to find another way for solving the problems, the intelligent local heating device can give remote intelligent remote control to the local throttling part in the water jacket-free heating furnace and other suitable heating and heat-preserving mining and transportation stations in the natural gas production flow, is convenient for the application of actual production, can start operation immediately in time, can adjust the set heating temperature, and is safe and economic and accords with the HSE concept.
The intelligent natural gas throttling and ice blockage preventing device mainly comprises the following structures:
the package of the movable box body and the component part is as follows: the intelligent constant-temperature instant electric water heater is characterized in that a liquid level meter displayed by organic glass on a stainless steel shell and a cold-hot water circulating pipeline pump are arranged in a movable box body for keeping ventilation and heat dissipation, a water flow pipeline is communicated, clean water pressurized by the cold-hot water circulating pipeline pump flows through a pipeline, and electricity-proof walls are arranged at the front and the rear of the intelligent constant-temperature instant electric water heater. On the inner wall of the box body, an intelligent remote monitoring temperature recorder and an intelligent power supply control switch for supplying power to the cold and hot water circulating pipeline pump and the temperature recorder are attached, and the intelligent constant-temperature water heater is independently provided with a power supply.
Including flexible heat transfer bag and subassembly part: the throttling part in the natural gas extraction and transportation process is provided with a heat exchange bag which is covered on the easy ice blockage part and is made of flexible high-strength explosion-proof composite PVC fabric and matched with the throttling part valve body in shape, the top end of the interior of the heat exchange bag is provided with a pure copper water separator and related accessories, the middle position of the inner side of the heat exchange bag is provided with a temperature sensing probe connected with an intelligent remote monitoring temperature recorder circuit in a movable box body, and the upper end and the lower end of the water flow of the heat exchange bag are provided with water flow inlet and outlet connectors.
Comprises a circulating pipeline component part: and the lengthened cold and hot water double-end stainless steel metal braided hose is connected with the inlet end of the liquid level meter in the heat exchange bag and the movable box body and the outlet end of the intelligent instant electric water heater, the heat insulation layer, the tee joint and the movable joint.
Drawings
The utility model is illustrated by way of example and with reference to the accompanying schematic structural drawing in figure 1 of the specification.
FIG. 2 is a schematic front view of an n-type flexible heat exchange bag of the intelligent natural gas throttling ice blockage preventing device.
FIG. 3 is a schematic side view of an n-type flexible heat exchange bag of the intelligent natural gas throttling ice blockage preventing device.
FIG. 4 is a schematic diagram of a water separator in an n-shaped flexible heat exchange bag of the intelligent natural gas throttling ice blockage preventing device.
FIG. 5 is a schematic diagram of a circulating pipeline of the intelligent natural gas throttling ice blockage prevention device.
The labels in the figures are: 1. a liquid level meter blow-down valve; 2, an organic glass display liquid level meter with a stainless steel shell; 3. an intelligent remote monitoring temperature recorder; 4. an intelligent power socket switch; 5. a cold and hot water circulating pipeline pump; 6. the box body can be moved; 7. a leakage protection plug; 8. an electric leakage protection plug of the electric water heater; 9, an intelligent variable-frequency constant-temperature instant electric water heater; 10. an electricity-proof wall of the electric water heater; 11. a flow bypass valve; 12.4' lengthening cold and hot water double-end stainless steel metal braided hose and insulating layer; 13. a pressure gauge; 14. a movable joint is screwed in the hot water hose; 15.4' single loose joint right angle copper elbow; 16. a needle-type throttle valve; 17. an n-type flexible PVC heat exchange bag; 18. a tee joint and a union; 19.4 "external thread joint; 20. a water filling port and a screw thread plug; 21. a pure copper water separator; the water outlet of the n-type flexible heat exchange bag is provided with a 4' external thread joint; 23. a water knockout hole of the water knockout drum; 24. the high-strength flexible composite PVC heat-resistant explosion-proof fabric; 25. a temperature sensing probe and a connecting wire; 26. a rope thread; communicating a hidden pipe; 28. a disc-shaped water storage box; 29. a sponge foam heat-insulating layer.
The present invention will be further illustrated by the following examples, but is not limited to these examples.
Detailed Description
Fig. 1 is a schematic diagram of the structure and working principle of the present invention.
The present invention is described in more detail below to facilitate an understanding of the utility model; it should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 5, the intelligent natural gas throttling and anti-icing device of the utility model comprises: in the movable box 6, an organic glass display liquid level meter 2 with a stainless steel shell is arranged, water is fed from an n-type flexible PVC heat exchange bag in a natural gas gathering and transportation station, the water is communicated with the bottom of the liquid level meter through a pipeline and then enters a cold and hot water circulating pipeline pump 5, the water reaches an intelligent variable-frequency constant-temperature instant electric water heater 9 after being pressurized, clear water flows in the instant electric water heater, the clear water is heated to a set temperature and then is conveyed to a natural gas gathering and transportation process area through a 4-inch lengthened cold and hot water double-end stainless steel metal braided hose 12, and a sponge foam heat preservation layer 29 is synchronously arranged on the outer layer of the cold and hot water circulating pipeline which is the 4-inch lengthened cold and hot water double-end stainless steel metal braided hose 12.
As shown in figures 1, 2, 3 and 4, the needle-type throttle valve 16 in a natural gas extraction and transportation process area is covered with an n-type flexible PVC heat exchange bag 17, the top end of the PVC heat exchange bag formed by pressing and bonding high-strength flexible composite PVC heat-resistant explosion-proof fabric 24 is provided with a pure copper water separator 21, a disc-shaped water storage box 28 is connected with a water drainage hole 23 through a communication concealed pipe 27 in the water separator, hot water flowing in from an external thread joint 19 of a hot water inlet 4' at the top of the n-type flexible PVC heat exchange bag 17 can be uniformly dispersed and conveyed to each water drainage hole 23 of the water separator to flow out, and heat energy exchange is carried out between the top and the left side and the right side of the n-type flexible PVC heat exchange bag and a valve body or a pipeline at an easily-blocked part, so as to achieve the purpose of avoiding generation of hydrate ice blockage at the throttling part. The cooled water after heat exchange flows back to the bottom of the liquid level meter 2 in the movable box body 6 from the external thread joints 22 and the three-way pipeline 18 at the bottoms of the two sides of the n-shaped flexible PVC heat exchange bag 17 and the double-end stainless steel metal braided hose 12 with the heat insulation layer.
Preferably, as shown in fig. 1, the working voltage of the cold and hot water circulating pipeline pump 5 in the movable box 6 is 220V/50Hz, and in order to meet the design requirement of the intelligent natural gas throttling ice blockage prevention device, the cold and hot water circulating pipeline pump is started when the power is on and stopped when the power is off; the power of the device can meet the heat exchange operation requirement of the whole device; cold and hot (medium temperature 0-100 deg.C); the lift suction lift and the hourly flow are enough; a check valve is arranged inside the valve body; the water-saving circulating pump has the characteristics of water shortage protection, overheating protection, low-noise vibration, small size, convenience in installation and the like, and a pressure gauge 13 is installed on a water outlet end pipeline of the circulating pipeline pump so as to observe water outlet pressure.
Preferably, as shown in fig. 1, the intelligent variable-frequency constant-temperature instant electric water heater 9 in the movable box 6 of the present invention: the rated power of the device needs to meet the heat exchange operation requirement of the whole device, and the device has the characteristics of instant heating infinite heating function, low water pressure Hall automatic induction starting, dry burning prevention, variable frequency constant temperature, overtemperature protection, water and electricity separation, temperature setting and memory functions, small size, convenience in installation and the like. The ports of the water flow inlet and the water flow outlet are provided with electricity-proof walls 10 to ensure the safety. It uses independent power supply line, air protection switch and electric leakage waterproof plug 8, and its power supply line load capacity (diameter) must satisfy the load demand.
Preferably, as shown in fig. 1, an intelligent remote monitoring temperature recorder 3 is attached to the inner wall of a movable box 6 and is connected with a temperature sensing probe 25 on the inner side of a flexible PVC heat exchange bag through a circuit, an internet of things card is arranged in the intelligent remote monitoring temperature recorder, wifi signals are not needed, and the real-time temperature in the flexible PVC heat exchange bag can be checked and GPS positioning can be realized by sharing the real-time temperature with a mobile phone APP or a plurality of people on a computer at the same time on the same place (as long as the mobile phone signals exist).
Preferably, as shown in fig. 1, an intelligent power socket 4 is attached to the inner wall of a movable box 6, and is connected with a leakage protection power plug 7 to provide power for an intelligent remote monitoring temperature recorder 3 and a cold and hot water circulating pipeline pump 5, the intelligent socket can remotely control a power switch by a mobile phone APP (or a computer) in a remote place through a WiFi (wireless fidelity) station and realize setting of a timing switch or a circulating switch power supply in a certain time period, so that the aims of meeting the heat exchange operation requirement of the whole device, starting the pipeline pump 5 in a timing or circulating mode and charging the intelligent remote monitoring temperature recorder 3 are fulfilled.
Before the intelligent natural gas throttling and ice blocking prevention device needs to be used, the intelligent natural gas throttling and ice blocking prevention device is schematically assembled according to the drawing 1, when in assembly, after the n-shaped flexible PVC heat exchange bag 17 is covered and placed on the needle-shaped throttling valve 16, the rope 26 at the lower part of the n-shaped flexible PVC heat exchange bag is properly fastened, so that the high-strength flexible composite PVC heat-resistant and explosion-proof fabric 24 of the n-shaped flexible PVC heat exchange bag 17 is fully contacted with the needle-shaped valve, and the heat energy exchange is fully carried out; the movable box body 6 is placed at a position slightly lower than the needle-shaped throttle valve 16 in height, the movable box body 6 is placed at a rainproof and moistureproof place, the box body must keep good ventilation, heat dissipation and grounding, the lengthened cold and hot water double-end stainless steel metal braided hose 12 wrapped with heat preservation sponge foam is used as a water flow circulating pipeline and connected with the n-shaped flexible PVC heat exchange bag 17, and the water flow circulating pipeline can be connected with a plurality of sets of flexible PVC heat exchange bags through the same pipeline.
As shown in attached figures 1 and 3, the intelligent natural gas throttling and ice blocking prevention device cannot be powered on before assembly, the threaded union 14 in the hot water hose is kept open temporarily during water injection after assembly, the air valve 1 of the liquid level meter and the water flow bypass valve 11 are in an open state, and the air valve of the liquid level meter is closed until clear water is injected from the water injection port 20 to the water outlet of the air valve 1 at the top of the liquid level meter until the water outlet of the threaded union 14 in the hot water hose. The whole intelligent natural gas-saving ice-blocking prevention device is used for exhausting air in a closed-loop full-flow pipeline as far as possible, and ensuring that all pipelines are smooth and are not blocked, during water injection, a cold-hot water circulating pipeline pump 5 can be started for a short time, and after water is discharged from a threaded union joint 14 in a hot water hose, the cold-hot water circulating pipeline pump is hermetically connected with a 4 'single-union right-angle copper elbow 15 (which is used for preventing the pipelines from being broken and blocked) and a 4' outer threaded union (hot water inlet) 19, and meanwhile, a water injection port 20 is tightly plugged by a threaded union joint, so that a water flow closed loop of the whole device is formed. When water is injected, the flow bypass valve 11 is opened, and when the water injection is completed, the flow bypass valve 11 is closed.
The operation process of the intelligent natural gas throttling ice blockage prevention device comprises the following steps: after assembly and water (clear water) injection are completed, a circulating pipeline pump is powered on to start a water flow, the water flow flows in the instant electric water heater, a water flow Hall sensing switch in the instant electric water heater senses the flowing water flow, the instant electric water heater is started to heat, the heated hot water is conveyed to an n-type flexible PVC heat exchange bag through a hot water pipeline, the hot water flows out from discharge ports on two sides of a water separator component, the hot water flows from top to bottom on two sides of the n-type flexible PVC heat exchange bag to complete heat energy exchange, and the throttling valve body or a front end pipeline which is easy to ice block is locally heated, so that the phenomenon that water hydrate ice blocks at a throttling position is avoided. The (cold) water after heat exchange flows back to the inlet end of the organic glass display liquid level meter of the stainless steel shell through the tee joint, the movable joint and the cold water connecting pipeline, the circulation works in such a way, when the temperature of the backflow water body reaches the set temperature of the variable-frequency constant-temperature instant electric water heater, the electric water heater only passes through water flow without starting the heating function, otherwise, the heating is started immediately.
The temperature sensing probe is arranged on the inner side of the n-type flexible PVC heat exchange bag of the intelligent natural gas throttling ice blockage preventing device, and a worker can remotely check the real-time temperature in the n-type flexible PVC heat exchange bag at a mobile phone end (or on a computer), so that the operation of a cold and hot water circulating pipeline pump and an instant electric water heater is controlled through the intelligent operation of the APP function of a mobile phone and the setting of the power on and off and the circulating time of an intelligent power socket, the remote and intelligent control is realized, and the creation purpose of the utility model is finally achieved.
The utility model aims to solve the ice blockage phenomenon in the actual production of natural gas, but not just patents or simple splicing and assembly due to patents, therefore, the PVC flexible heat exchange bag of the heat energy exchange part of the intelligent natural gas throttling-prevention ice blockage device is only illustrated by n-shaped in the description, is not limited to n-shaped in the actual production application, can be round cover-shaped according to the heat energy exchange requirement and the like, and can completely print a corresponding water separator and a heat exchange bag body which are convenient for full contact and heat energy exchange according to the specific shape of an ice blockage valve body along with the maturity of a 3D printing technology so as to solve the ice blockage phenomenon in the actual production.
In practical production and application, the movable box (i.e. the heat source generating part) of the utility model should have good grounding and ventilation rainproof measures, and should refer to and follow the safety regulations related to natural gas production places, the heat source generating part in the specification only takes the intelligent variable-frequency constant-temperature instant electric water heater as an example, but many natural gas transmission and distribution places are in remote rural areas, the power supply is often unstable, just as the natural gas production places also have water jacket heating furnaces, theoretically, the safety first premise can be considered, theoretically, the intelligent variable-frequency constant-temperature instant electric water heater can be replaced by a closed combustion type balance type gas water heater on the outer side wall of the movable box, but the safety characteristics of flammability and explosiveness of the natural gas production places must be considered, the safety first principle must be considered, the oxygen consumption of combustion and carbon dioxide emission must be fully considered, And many factors such as fire and explosion protection.
The intelligent natural gas throttling-prevention ice blockage device aims at solving the ice blockage phenomenon in actual production, and can completely realize the purposes that one set of heat source generating device can heat water flow and then output the heated water flow to a plurality of sets of flexible heat exchange bags, and one drags more heat, and point-to-point local heating is realized.
The intelligent natural gas throttling ice blockage preventing device disclosed by the utility model is in actual production and application and strictly conforms to relevant national safety regulations and standards; modifications and equivalents of the present invention may be made without departing from the spirit and scope of the utility model and it is intended to cover in the claims appended hereto all such modifications and equivalents.
Claims (7)
1. The utility model provides a stifled device of natural gas throttle ice is prevented to intelligence, includes that portable box and subassembly, flexible heat transfer bag and subassembly, circulation pipeline subassembly constitute, its characterized in that: an intelligent power socket switch, an intelligent temperature recorder, a liquid level display meter, a circulating pipeline pump, an intelligent constant-temperature water heater, a communicating pipeline, a pressure gauge and a bypass valve are arranged in the movable box body; a pure copper water separator and an intelligent temperature recorder temperature sensing probe are arranged in a flexible heat exchange bag outside the movable box; the circulating pipeline assembly is provided with a cold and hot water flow circulating pipeline and a movable joint, a three-way pipeline and a movable joint.
2. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: and a liquid level meter emptying valve is arranged at the top of the liquid level display meter in the movable box body.
3. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: and the power line of the intelligent power switch in the movable box body is externally connected with a leakage protection plug.
4. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: the intelligent constant temperature water heater in the movable box is provided with a leakage protection wall on a water inlet and outlet pipeline, and a power line of the intelligent constant temperature water heater is externally connected with a plug special for leakage protection.
5. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: the bottom of the flexible heat exchange bag is provided with a rope line.
6. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: a disc-shaped water storage box, a communication concealed pipe and a water separator water outlet are arranged in the pure copper water separator in the flexible heat exchange bag.
7. The intelligent natural gas throttling ice blockage preventing device as claimed in claim 1, wherein the device comprises: and the outer layer of the cold and hot water circulation pipeline is provided with a heat-insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433103.2U CN215337095U (en) | 2021-03-01 | 2021-03-01 | Intelligent natural gas throttling ice blocking prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433103.2U CN215337095U (en) | 2021-03-01 | 2021-03-01 | Intelligent natural gas throttling ice blocking prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215337095U true CN215337095U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120433103.2U Expired - Fee Related CN215337095U (en) | 2021-03-01 | 2021-03-01 | Intelligent natural gas throttling ice blocking prevention device |
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| Country | Link |
|---|---|
| CN (1) | CN215337095U (en) |
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2021
- 2021-03-01 CN CN202120433103.2U patent/CN215337095U/en not_active Expired - Fee Related
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