CN216282071U - Explosion-proof heater of natural gas - Google Patents
Explosion-proof heater of natural gas Download PDFInfo
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- CN216282071U CN216282071U CN202123032122.3U CN202123032122U CN216282071U CN 216282071 U CN216282071 U CN 216282071U CN 202123032122 U CN202123032122 U CN 202123032122U CN 216282071 U CN216282071 U CN 216282071U
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Abstract
The utility model discloses a natural gas explosion-proof heater, which comprises a shell and a heat exchange tube group, wherein the shell is provided with an air inlet channel and an air outlet channel, and the shell is provided with a pressure gauge; the cooling mechanism is covered outside the shell, the explosion-proof junction box is separated from the interior of the shell through a partition plate, a heater main body is arranged inside the explosion-proof junction box, a plurality of guide plates are arranged inside the shell, and the guide plates are arranged in a crossed mode; through connecting the overtemperature prote ware in the heater main part, can be when making the heater main part heat, exceed the settlement temperature of overtemperature prote ware when the temperature, contactor disconnection in the control center, the heater stop heating, the solenoid valve is opened simultaneously, coolant tank's cooling water entering circulation cover is for the casing cooling, make inside temperature also can be faster than normal cooling, when the temperature is less than the settlement temperature, but the automatic recovery heating, so can avoid the heater main part to burn out under overheated condition for a long time.
Description
Technical Field
The utility model relates to the technical field of natural gas, in particular to a natural gas explosion-proof heater.
Background
The natural gas heater is suitable for places needing explosion prevention, such as petroleum, natural gas and the like; at present day hot gas heater mostly all walks to terminal outflow heater at electric heating pipe from the top, because the gas circulation effect is poor among the ventilation process, and airflow circulation rate is fast, leads to the natural gas can not reach the heating effect, in order to reach the effect that the natural gas can heat, just must make electric heater temperature last under the high temperature condition, so lead to electric heater long-time overheated and cause the burnout easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to design an explosion-proof natural gas heater to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the natural gas explosion-proof heater comprises a shell and a heat exchange tube group, wherein the shell is provided with an air inlet channel and an air outlet channel, the shell is provided with two pressure gauges, one pressure gauge is arranged at the position, close to the air inlet channel, of the shell, and the other pressure gauge is arranged at the position, close to the air outlet channel, of the shell; the cooling mechanism is covered outside the shell, the explosion-proof junction box is separated from the inside of the shell through a partition plate, a heater main body is arranged inside the explosion-proof junction box, the heater main body is connected with an over-temperature protector, a plurality of guide plates are arranged inside the shell, and the guide plates are arranged in a crossed mode; the heater main body is connected with the heat exchange tube set, and the heat exchange tube set is connected with an oil injection pipeline.
Further, the pressure gauge is mounted on the shell through a mounting seat, the mounting seat comprises a flange cover, a connecting sleeve is fixed in the middle of the flange cover, a groove is formed in the upper end of the connecting sleeve, threads are arranged on the periphery of the groove, a first through hole is formed in the connecting sleeve and located on the groove, a second through hole is formed in the flange cover, and the first through hole is communicated with the second through hole; and the surface of the connecting sleeve is provided with a radiating fin.
Further, a gas disperser is arranged on the gas inlet channel.
Furthermore, an inclined plate is arranged inside the air outlet channel.
Furthermore, a temperature sensor is arranged in the shell and close to the air outlet channel.
Further, cooling body includes the cooling jacket, the cooling jacket laminating is in the outside of casing, the cooling jacket is equipped with water inlet and delivery port, the delivery port passes through the external cooling water tank of cooling tube, the last solenoid valve that is equipped with of cooling tube.
Compared with the prior art, the utility model has the beneficial effects that: the heater main body is connected with the overtemperature protector, so that the heater main body can be heated, but the normal temperature control protector fails, when the temperature of the heater main body cannot be judged at the moment and exceeds the set temperature of the overtemperature protector, information is fed back to the control center, the control contactor is switched off, the heater main body stops heating, and meanwhile the cooling mechanism cools the shell, so that the internal temperature can be cooled faster than the normal temperature, and when the temperature is lower than the set temperature, the heating can be automatically recovered, and the heater main body can be prevented from being burnt out under the condition of overheating for a long time;
through setting up the guide plate at the casing is inside alternately for the natural gas comes in from inlet channel, is the flow direction of s type in the casing inside, makes the natural gas lengthen at the inside heating route and the time of casing, and the heating is abundant even, can effectively reach anticipated heating effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a mount of the present invention;
FIG. 3 is a cross-sectional view of the mount of the present invention;
FIG. 4 is a schematic view of an outlet channel of the present invention;
the names of the components identified in the figures are as follows:
1. a housing; 2. a heat exchange tube set; 3. an air intake passage; 4. an air outlet channel; 5. a pressure gauge; 6. an explosion-proof junction box; 7. an overtemperature protector; 8. a partition plate; 9. a baffle; 10. an oil injection pipeline; 11. a connecting sleeve; 12. a flange cover; 13. a groove; 14. a first through hole; 15. a second through hole; 16. a heat sink; 17. a gas disperser; 18. a sloping plate; 19. a temperature sensor; 20. a cooling jacket; 21. a water inlet; 22. a water outlet; 23. and a cooling water tank.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example (b): referring to fig. 1-4, an explosion-proof heater for natural gas comprises a shell 1 and a heat exchange tube set 2, wherein the shell 1 is provided with an air inlet channel 3 and an air outlet channel 4, an inclined plate 18 is arranged inside the air outlet channel 4, and the inclined plate 18 can be set with an inclination angle according to the required air flow; therefore, when the heated natural gas flows out of the gas outlet channel 4, the natural gas is rectified, the inclined plate 18 can also reduce the flow velocity of the natural gas, and the phenomenon that the natural gas leaks because the gas outlet channel 4 is separated from an external pipeline due to too large impulsive force is avoided; the shell 1 is provided with two pressure gauges 5, one pressure gauge 5 is arranged at the position, close to the air inlet channel 3, of the shell 1, the other pressure gauge 5 is arranged at the position, close to the air outlet channel 4, of the shell 1, and the pressure gauge 5 can monitor the internal pressure of the shell 1 in real time; the explosion-proof junction box comprises a shell 1, a cooling mechanism and an explosion-proof junction box 6, wherein the cooling mechanism is coated outside the shell 1, the explosion-proof junction box 6 is separated from the inside of the shell 1 through a partition plate 8, a heater main body is arranged inside the explosion-proof junction box 6, the heater main body is connected with an over-temperature protector 7, a plurality of guide plates 9 are arranged inside the shell 1, and the guide plates 9 are arranged in a crossed manner; the heater main body is connected with the heat exchange tube group, when natural gas needs to be heated, the heater main body is started, the heat exchange tube group is heated by the heater main body, and the heat exchange tube group 2 is connected with an oil injection pipeline 10; when the heat transfer medium needs to be added, the valve of the oil injection pipeline 10 is opened, the heat transfer medium is added to the heat exchange tube set, the oil injection pipeline 10 can effectively fill the heat transfer medium in the heat exchange tube set 2, the heat transfer medium in the heat exchange tube set 2 is guaranteed to be full, and heating of natural gas is facilitated.
The pressure gauge 5 is installed on the shell 1 through an installation seat, the installation seat comprises a flange cover 12, a connecting sleeve 11 is fixed in the middle of the flange cover 12, a groove 13 is formed in the upper end of the connecting sleeve 11, threads are arranged on the periphery of the groove 13, a first through hole 14 is formed in the connecting sleeve 11, the first through hole 14 is located on the groove 13, a second through hole 15 is formed in the flange cover 12, and the first through hole 14 is communicated with the second through hole 15; the surface of the connecting sleeve 11 is provided with a radiating fin 16; according to the arrangement, the pressure gauge 5 is fixedly installed and connected with the threads in the groove 13 in a matched mode through the installation position, the flange cover 12 is fixedly installed on the interface, where the pressure gauge 5 is installed, of the shell 1, the second through hole 15 is connected into the shell 1, the pressure gauge 5 cannot be impacted by high pressure, the service life is long, and the detection result is accurate; and the surface of the connecting sleeve 11 is provided with the radiating fins 16, so that heat can be quickly radiated, and the probability of damaging the pressure gauge 5 is reduced.
The gas inlet channel 3 is provided with a gas disperser 17; the disperser can make the natural gas that gets into in the casing 1 disperse, avoids the natural gas gathering, and the heating is not abundant.
A temperature sensor 19 is arranged in the shell 1 close to the air outlet channel 4; the temperature sensor 19 can monitor the temperature of the heated natural gas in real time to avoid an excessively high heating temperature or an excessively low temperature of the natural gas to be discharged to the gas outlet passage 4.
The cooling mechanism comprises a cooling jacket 20, the cooling jacket 20 is attached to the outer part of the shell 1, the cooling jacket 20 is provided with a water inlet 21 and a water outlet 22, the water outlet 22 is externally connected with a cooling water tank 23 through a cooling pipeline, and the cooling pipeline is provided with an electromagnetic valve; so set up, when temperature sensor 19's temperature is higher than the temperature of settlement, then can feed back information to control center, explain this moment in the casing 1 to the heating temperature of natural gas too high, control center control solenoid valve opens, cooling water tank 23's water flows into cooling jacket 20 along cooling tube, flow to delivery port 22 along cooling jacket 20, flow out in the delivery port 22, take away the heat of casing 1, the realization is to the inside cooling of casing 1, avoid casing 1 to burn out the heater body under overheated condition for a long time.
The working principle of the embodiment is as follows: before the device is started, the heat transfer medium is injected from the oil injection pipeline 10 to ensure that the heat transfer medium in the heat exchange tube group 2 is full, natural gas enters from the gas inlet channel 3, dispersed to flow towards the inside of the shell 1 through the gas disperser 17 and flow along the guide plate 9 in the shell 1, the heater body heats the heat exchange tube group 2, the heat exchange tube group 2 heats natural gas, if the temperature sensor 19 senses that the natural gas is heated to the preset temperature, the information is fed back to the control center, and the operator can open the external pipeline valve after receiving the information, so that the heated natural gas is discharged from the gas outlet channel 4, under the action of the inclined plate 18 in the gas outlet channel 4, the flow velocity of the natural gas flowing through the gas outlet channel 4 is favorably reduced, the natural gas flow is unified, and the phenomenon that the natural gas leaks due to the separation of the gas outlet channel 4 and an external pipeline caused by too large impact force is avoided; if the temperature sensor 19 senses that the heating temperature of the natural gas is too high, the information is fed back to the control center, the control center controls the heater main body to be closed, the electromagnetic valve to be opened, cooling water enters the cooling jacket 20 to cool the natural gas in the shell 1, and when the temperature is lower than the preset temperature, the control center controls the electromagnetic valve to be closed, the heater main body is started, and heating is continued; if the pressure gauge 5 displays that the pressure in the shell 1 is too high, the normal temperature control protector in the explosion-proof junction box 6 fails, the overtemperature protector 7 senses that the temperature of the heater main body exceeds the preset temperature of the overtemperature protector 7, but the temperature of the natural gas detected by the temperature sensor 19 does not exceed the preset temperature, at the moment, the information is fed back to the control center when the natural gas in the shell 1 is too much, an external pipeline valve is opened, partial natural gas is discharged from the gas outlet channel 4 until the pressure gauge 5 is vertical in a normal range, meanwhile, the control center controls the heater main body to stop heating, namely, the heat conduction medium in the heating pipe group is stopped heating, the electromagnetic valve is opened, cooling water enters the cooling jacket 20 to cool the natural gas in the shell 1, the natural gas is cooled while the heating pipe group is cooled, and the heater main body is indirectly cooled, the heater main body is prevented from working under a long-time high-temperature state, and the heater main body is started to heat the natural gas after the temperature is reduced.
It should be noted that, in all the embodiments, the control center controls the start and stop of the power source, the control center may include a common programmable controller, a PLC, a single chip microcomputer, etc. on the market, and a wire and a valve for controlling the start and stop of the motor or the cylinder, and the control center may make corresponding action instructions for each mechanism according to feedback signals, and the specific control mode of the controller is not within the protection scope of the present invention, and is not described herein;
② when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right", "front", "rear", and the like as used herein are for illustrative purposes only.
Claims (6)
1. The natural gas explosion-proof heater comprises a shell and a heat exchange tube group, wherein the shell is provided with an air inlet channel and an air outlet channel, and the shell is provided with a pressure gauge; the method is characterized in that: the cooling mechanism is covered outside the shell, the explosion-proof junction box is separated from the inside of the shell through a partition plate, a heater main body is arranged inside the explosion-proof junction box, the heater main body is connected with an over-temperature protector, a plurality of guide plates are arranged inside the shell, and the guide plates are arranged in a crossed mode; the heater main body is connected with the heat exchange tube set, and the heat exchange tube set is connected with an oil injection pipeline.
2. The explosion proof heater for natural gas as claimed in claim 1, wherein: the pressure gauge is mounted on the shell through a mounting seat, the mounting seat comprises a flange cover, a connecting sleeve is fixed in the middle of the flange cover, a groove is formed in the upper end of the connecting sleeve, threads are arranged on the periphery of the groove, a first through hole is formed in the connecting sleeve and located on the groove, a second through hole is formed in the flange cover, and the first through hole is communicated with the second through hole; and the surface of the connecting sleeve is provided with a radiating fin.
3. The explosion proof heater for natural gas as claimed in claim 1, wherein: and a gas disperser is arranged on the gas inlet channel.
4. The explosion proof heater for natural gas as claimed in claim 1, wherein: an inclined plate is arranged in the air outlet channel.
5. The explosion proof heater for natural gas as claimed in claim 1, wherein: and a temperature sensor is arranged in the shell close to the air outlet channel.
6. The explosion proof heater for natural gas as claimed in claim 1, wherein: the cooling mechanism comprises a cooling jacket, the cooling jacket is attached to the outside of the shell, a water inlet and a water outlet are arranged on the cooling jacket, the water outlet is connected with a cooling water tank through a cooling pipeline, and an electromagnetic valve is arranged on the cooling pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032122.3U CN216282071U (en) | 2021-11-30 | 2021-11-30 | Explosion-proof heater of natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032122.3U CN216282071U (en) | 2021-11-30 | 2021-11-30 | Explosion-proof heater of natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216282071U true CN216282071U (en) | 2022-04-12 |
Family
ID=81043779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032122.3U Active CN216282071U (en) | 2021-11-30 | 2021-11-30 | Explosion-proof heater of natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216282071U (en) |
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2021
- 2021-11-30 CN CN202123032122.3U patent/CN216282071U/en active Active
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