CN104676100A - Heating device for pressure reducer - Google Patents
Heating device for pressure reducer Download PDFInfo
- Publication number
- CN104676100A CN104676100A CN201510109376.0A CN201510109376A CN104676100A CN 104676100 A CN104676100 A CN 104676100A CN 201510109376 A CN201510109376 A CN 201510109376A CN 104676100 A CN104676100 A CN 104676100A
- Authority
- CN
- China
- Prior art keywords
- diversion rod
- heating
- air
- suction tude
- housing
- 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.)
- Granted
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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
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating means
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention discloses a heating device for a pressure reducer. Two end covers (2) are arranged, an air inlet pipe (7) is fixedly connected with one end cover (2), and one end of the air inlet pipe (7) extends into a shell (5) and then is connected with one end of a body (4); an air outlet joint (1) is connected to the other end cover (2) on the other end of the shell (5) and is connected to the other end of the body (4); a diversion rod (6) is in threaded connection to the center of the body (4), a spiral air passage (11) is formed in the connecting position, and both ends of a center threaded hole, which is used for installing the diversion rod (6), of the body (4) are respectively communicated with the air inlet pipe (7) and the air outlet joint (1); at least one heating rod (3) is sheathed in the body (4) on the side of the diversion rod (6). By adopting the structure, on one hand, a heating passage is greatly extended, so that air can be uniformly heated; additionally, the self size of the heating device is greatly reduced, and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to the technical field of valve, is specifically a kind of heating equipment on decompressor.
Background technique
Gas cylinder is applied in all trades and professions, and be also different according to the gas in the different gas cylinders of practical application, as carbon dioxide, rock gas etc., but because the storage volume of gas cylinder is limited, normally will exist in gas cylinder after carbon dioxide or rock gas pressurization, pressure in gas cylinder is higher, and gas required when using is lower, therefore, need to use decompressor the gas of the elevated pressures be stored in gas cylinder is reduced to low pressure to do, and keep exporting the pressure of gas and stability of flow constant.Owing to being exist with the form of liquid state from gas cylinder carbon dioxide out, therefore between decompressor with gas cylinder, be connected a gas heater in prior art.The gas heater of prior art, disclosed publication No. as upper in National IP Network station is " a kind of Automatic-heating gas pressure reducer " application for a patent for invention of CN103591376A, it is provided with heater in the bottom of decompressor body, heater comprises thermal conductor and electric heating tube, thermal conductor is vertically installed and is connected with high pressure air flue, electric heating tube is arranged in thermal conductor, and temperature detect switch (TDS) to be arranged on decompressor body and to be positioned at the side of heater.When high pressure air flue passes into pressurized gas, heat is delivered to high pressure air flue by the thermal conductor through electric heating tube heating, thus makes the gas heating in high pressure air flue to the temperature being applicable to using.And for example the patent No. disclosed in State Intellectual Property Office website is " CO2 heater of gas shielded arc welding " utility model patent of ZL200920201590.9, wherein mention existing gas heater and comprise electric heating tube, heat transfer jacket and temp controller, electric heating tube is sleeved in heat transfer jacket, heat transfer jacket top is communicated with the pressurized gas input end of decompressor, heat transfer jacket lower end is connected on decompressor body, certain gap is there is between heat transfer jacket upper end and decompressor body, the gas channel of this gap on decompressor body is communicated with the decompressor of decompressor, temp controller to be arranged on decompressor body and monitoring by the gas temperature at the gas channel place of decompressor.
But there is following problem in the heating equipment on decompressor of these structures above-mentioned:
1) for the heater in the decompressor of the first structure, high pressure air flue is delivered to again from electric heating tube heating, intermediate demand is through thermal conductor and decompressor body, therefore, the heat produced after electric heating tube energising loses gradually after the transmission of one-level one-level, thus heat have lost major part when being finally delivered to high pressure air flue, in high pressure air flue, the efficiency of heating surface of cryogenic gas is very low, causes the waste of the energy; Meanwhile, thermal conductor is only connected with decompressor body in upper end, and the overwhelming majority of electric heating tube and thermal conductor is exposed to outside, and therefore, the heat that electric heating tube produces also major part scatters and disappears in air, reduce further heat transfer efficiency;
2) for gas heater disclosed in the second structure, when gas enters heater from high pressure air inletting device, gas straightly passes through from top to bottom from the gap between heat transfer jacket and decompressor body, enter in decompressor from the gas channel decompressor body again, therefore, the passage of heating is short on the one hand, make gas-heated insufficient, if elongated channel, the length dimension of electric heating tube and heat transfer jacket certainly will be increased, increase the volume of heater and whole decompressor, increase cost of production further; The heating of two these gases of aspect is also unbalanced, very easily occurs that gas-heated near heat transfer jacket is fully and near the insufficient phenomenon of the gas-heated of decompressor body, thus affects the effect of gas subsequent process.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of heating abundant, balanced, and the heating equipment on decompressor that heat transfer efficiency is high, cost is low.
For solving the problems of the technologies described above, the heating equipment on decompressor provided by the invention, it comprises housing, end cap, suction tude, air outlet adapter, body, diversion rod and heating stick; Wherein, described end cap is two and is fixedly connected on the two ends of housing respectively, and body is positioned at housing; Described suction tude is fixedly connected on one of them end cap, and one end of suction tude is stretched into, and housing is interior to be connected with one end of body; The end cap that described air outlet adapter is connected to the housing the other end is connected with the other end of body; Described diversion rod is threaded in the center of body, and this joint forms spiral air passage, and the two ends of installing the body central tapped hole of diversion rod communicate with suction tude and air outlet adapter respectively; Described heating stick is at least one, and is socketed in the body of diversion rod side.
There is between the end face of described suction tude and the end face of diversion rod air inlet air-storage chamber, between the end face of air outlet adapter and the end face of diversion rod, there is air-storage chamber of giving vent to anger.
Described diversion rod has splitter box near the end face center, one end of suction tude, and this splitter box is through along the radial direction of diversion rod.
Described suction tude one end be positioned at outside housing is provided with the nut for connecting gas cylinder, and is connected with locking nut in the joint with end cap.
Described body peripheral wall is provided with temp controller.
After adopting above structure, the present invention compared with prior art, has following advantage:
1) due to being threaded between diversion rod with body, and the internal thread on body and there is certain gap between the outside thread on diversion rod, pressurized gas are from the gap of screw thread, namely in spiral air passage, spirality is passed through, therefore, greatly increase heat tunnel, thus make gas obtain sufficient heating, and also make the heating of gas more balanced, thus better quality, gas that performance is more stable after ensureing follow-up decompression, can be obtained; Meanwhile, the structure of this spiral air passage, substantially reduces the volume of heating equipment itself, also reduce further cost of production;
2) whole spirality heating air flue is cingens by body, and body is because the heating of heating stick and entirety are in heating, therefore, whole heating air flue is all in by the state that heats, make to be heated more fully by the high pressure air physical efficiency of this air flue, thus the heating effect of gas is better;
3) the direct heater body of heating stick, and the composition of body inherently spiral air passage, the heat transmission between heating stick to spiral air passage is more directly, fast, farthest heat is used for the gas in heating coil shape air flue, therefore, heat transfer rate is fast, and heat transfer efficiency is high;
4) the air inlet air-storage chamber be provided with at diversion rod two ends and to give vent to anger air-storage chamber, the gas making gas when entering heating air flue and enter decompression air flue is all cushioned, thus makes the circulation of gas more steady;
5) at the splitter box that diversion rod is provided with near one end of suction tude, make the pressurized gas entered be cushioned further, high pressure air physical efficiency is more successfully entered in spirality heating air flue, avoids the phenomenon that air turbulence occurs;
6) nut that is provided with of the end of suction tude, make the connection of this heating equipment and gas cylinder more fast, convenient, and dismounting during maintenance is also more quick, can increase work efficiency further; Further, because suction tude is longer, only lean on the connection of end and body, its intensity is inadequate, and the utilization of locking nut makes suction tude more firmly link together with the housing of heating equipment, thus improves its stability;
7) temp controller is arranged on body, is equivalent to the gas temperature that directly can monitor heating air flue, makes the information feed back of temp controller more true and direct.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the heating equipment of the present invention on decompressor.
Fig. 2 is the broken section structural representation of the heating equipment of the present invention on decompressor.
Wherein, 1, air outlet adapter; 2, end cap; 3, heating stick; 4, body; 5, housing; 6, diversion rod; 7, suction tude; 8, locking nut; 9, nut; 10, to give vent to anger air-storage chamber; 11, spiral air passage; 12, splitter box; 13, air inlet air-storage chamber; 14, temp controller.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
The principle schematic of Combined changable displacement oil pump of the present invention is as shown in Figure 1 known, it it comprise housing 5, end cap 2, suction tude 7, air outlet adapter 1, body 4, diversion rod 6 and heating stick 3.Wherein, described end cap 2 is two and is fixedly connected on the two ends of housing 5 respectively, and body 4 is positioned at housing 5.Described suction tude 7 is fixedly connected on one of them end cap 2, and one end of suction tude 7 is stretched into, and housing 5 is interior to be connected with one end of body 4.The end cap 2 that described air outlet adapter 1 is connected to housing 5 the other end is connected with the other end of body 4.Described diversion rod 6 is threaded in the center of body 4, and this joint forms spiral air passage 11, and the two ends of installing body 4 screwed hole of centre of diversion rod 6 communicate with suction tude 7 and air outlet adapter 1 respectively.Described heating stick 3 is at least one, and is socketed in the body 4 of diversion rod 6 side.In the present embodiment, heating stick 3 is one, but the hole of body being installed heating stick can along the circumferential direction arrange multiple, is used for placement two heating sticks or more, makes heating faster.
Between the end face of described suction tude 7 and the end face of diversion rod 6, there is air inlet air-storage chamber 13, between the end face of air outlet adapter 1 and the end face of diversion rod 6, there is air-storage chamber 10 of giving vent to anger.
Described diversion rod 6 has splitter box 12 near the end face center, one end of suction tude 7, and this splitter box 12 is through along the radial direction of diversion rod 6.
Described suction tude 7 one end be positioned at outside housing 5 is provided with the nut 9 for connecting gas cylinder, and is connected with locking nut 8 in the joint with end cap 2.
Described body 4 periphery wall is provided with temp controller 14.
Working principle of the present invention is: the power supply connecting heating stick 3, make the heat heater body 4 that heating stick 3 produces, now pressurized gas enter air inlet air-storage chamber 13 from gas cylinder through suction tude 7, spiral air passage 11 is entered under the effect of splitter box 12, after the heating of body 4, lead to air-storage chamber 10 of giving vent to anger, finally lead to the decompressor of decompressor from air outlet adapter 1.
Claims (5)
1. the heating equipment on decompressor, is characterized in that: it comprises housing (5), end cap (2), suction tude (7), air outlet adapter (1), body (4), diversion rod (6) and heating stick (3); Wherein, described end cap (2) is two and is fixedly connected on the two ends of housing (5) respectively, and body (4) is positioned at housing (5); Described suction tude (7) is fixedly connected on one of them end cap (2), and one end of suction tude (7) is stretched into, and housing (5) is interior to be connected with one end of body (4); The end cap (2) that described air outlet adapter (1) is connected to housing (5) the other end is gone up and is connected with the other end of body (4); Described diversion rod (6) is threaded in the center of body (4), this joint forms spiral air passage (11), and the two ends of installing body (4) screwed hole of centre of diversion rod (6) communicate with suction tude (7) and air outlet adapter (1) respectively; Described heating stick (3) is at least one, and is socketed in the body (4) of diversion rod (6) side.
2. the heating equipment on decompressor according to claim 1, it is characterized in that: between the end face of described suction tude (7) and the end face of diversion rod (6), there is air inlet air-storage chamber (13), between the end face of air outlet adapter (1) and the end face of diversion rod (6), there is air-storage chamber of giving vent to anger (10).
3. the heating equipment on decompressor according to claim 1, it is characterized in that: described diversion rod (6) has splitter box (12) near the end face center, one end of suction tude (7), and this splitter box (12) is through along the radial direction of diversion rod (6).
4. the heating equipment on decompressor according to claim 1, it is characterized in that: described suction tude (7) is positioned at housing (5) one end outward and is provided with nut (9) for connecting gas cylinder, and is connected with locking nut (8) in the joint with end cap (2).
5. the heating equipment on decompressor according to claim 1, is characterized in that: described body (4) periphery wall is provided with temp controller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109376.0A CN104676100B (en) | 2015-03-12 | 2015-03-12 | Heater on pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109376.0A CN104676100B (en) | 2015-03-12 | 2015-03-12 | Heater on pressure reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104676100A true CN104676100A (en) | 2015-06-03 |
| CN104676100B CN104676100B (en) | 2018-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510109376.0A Active CN104676100B (en) | 2015-03-12 | 2015-03-12 | Heater on pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104676100B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079248U (en) * | 1990-10-27 | 1991-06-19 | 陈翔 | Directly heating type preheating device for air pressure reducer |
| US20060133782A1 (en) * | 2004-09-27 | 2006-06-22 | Roland Otto | Air stream heater |
| KR20110001768U (en) * | 2009-08-14 | 2011-02-22 | 이승룡 | Heating apparatus for gas heating |
| CN203349494U (en) * | 2013-06-04 | 2013-12-18 | 白依林 | Small-sized air heater |
| CN103509564A (en) * | 2012-06-19 | 2014-01-15 | 北京华泰焦化工程技术有限公司 | Heat-exchange type ascending tube and coke oven |
| CN204493878U (en) * | 2015-03-12 | 2015-07-22 | 宁波东钱湖旅游度假区圣莱思机电有限公司 | Heating equipment on decompressor |
-
2015
- 2015-03-12 CN CN201510109376.0A patent/CN104676100B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079248U (en) * | 1990-10-27 | 1991-06-19 | 陈翔 | Directly heating type preheating device for air pressure reducer |
| US20060133782A1 (en) * | 2004-09-27 | 2006-06-22 | Roland Otto | Air stream heater |
| KR20110001768U (en) * | 2009-08-14 | 2011-02-22 | 이승룡 | Heating apparatus for gas heating |
| CN103509564A (en) * | 2012-06-19 | 2014-01-15 | 北京华泰焦化工程技术有限公司 | Heat-exchange type ascending tube and coke oven |
| CN203349494U (en) * | 2013-06-04 | 2013-12-18 | 白依林 | Small-sized air heater |
| CN204493878U (en) * | 2015-03-12 | 2015-07-22 | 宁波东钱湖旅游度假区圣莱思机电有限公司 | Heating equipment on decompressor |
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| Publication number | Publication date |
|---|---|
| CN104676100B (en) | 2018-04-10 |
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