CN104676100B - Heater on pressure reducer - Google Patents
Heater on pressure reducer Download PDFInfo
- Publication number
- CN104676100B CN104676100B CN201510109376.0A CN201510109376A CN104676100B CN 104676100 B CN104676100 B CN 104676100B CN 201510109376 A CN201510109376 A CN 201510109376A CN 104676100 B CN104676100 B CN 104676100B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- housing
- gas
- diversion rod
- 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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Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- -1 end cap (2) is two Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 62
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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 kind of heater on pressure reducer, end cap (2) is two, air inlet pipe (7) is fixedly connected on one of end cap (2), and one end of air inlet pipe (7) is stretched into housing (5) and is connected with one end of body (4)；Air outlet adapter (1) is connected on the end cap (2) of housing (5) other end and is connected with the other end of body (4)；Diversion rod (6) is threaded at the center of body (4), the junction forms spiral air passage (11), and the both ends for installing body (4) screwed hole of centre of diversion rod (6) communicate with air inlet pipe (7) and air outlet adapter (1) respectively；Heating rod (3) is at least one, and is socketed in the body (4) of diversion rod (6) side.After above structure, heating passage is on the one hand increased significantly, makes the heating of gas more balanced；Meanwhile the volume of heater in itself is substantially reduced, reduce production cost.
Description
Technical field
The present invention relates to the technical field of valve, is especially a kind of heater on pressure reducer.
Background technology
Gas cylinder is applied in all trades and professions, and according to the gas in the different gas cylinders of practical application be also it is different, such as
Carbon dioxide, natural gas etc., but because the storage capacity of gas cylinder is limited, typically add carbon dioxide or natural gas
Exist after pressure in gas cylinder, the pressure in gas cylinder is higher, and gas required when using is relatively low, therefore, it is necessary to uses pressure reducer
Done the gas for the elevated pressures being stored in gas cylinder is reduced to low pressure, and keep output gas pressure and stability of flow not
Become.Due to the carbon dioxide come out from gas cylinder be in the form of liquid existing for, therefore in the prior art in pressure reducer and gas cylinder
Between connect a gas heater.The gas heater of prior art, the publication No. as disclosed in National IP Network station is upper
For a kind of CN103591376A " automatic hot gas pressure reducer " application for a patent for invention, it is installed in the bottom of pressure reducer ontology
Having heaters, heater include heat carrier and electrothermal tube, and heat carrier is vertically-mounted and is connected with high pressure air flue, and electrothermal tube is arranged on
In heat carrier, temperature detect switch (TDS) is arranged in pressure reducer ontology and positioned at the side of heater.When high pressure air flue is passed through gases at high pressure,
The heat carrier heated by electrothermal tube transfers heat to high pressure air flue, so that the gas heating in high pressure air flue is to being adapted to make
Temperature.And for example Patent No. ZL200920201590.9 disclosed in State Intellectual Property Office website " gas shielded arc welding
CO2 heater " utility model patent, it is mentioned that existing gas heater includes electrothermal tube, heat transfer jacket and temperature control
Device, electrothermal tube are sleeved in heat transfer jacket, and heat transfer jacket top connects with the gases at high pressure input of pressure reducer, the connection of heat transfer jacket lower end
In pressure reducer ontology, conduct heat between set upper side and pressure reducer ontology and certain gap be present, pressure reducer ontology is passed through in the gap
On gas passage connected with the decompressor of pressure reducer, temperature controller be arranged on pressure reducer ontology on and monitor passes through decompressor
Gas passage at gas temperature.
But there is the problem of following in the heater being used on pressure reducer of these above-mentioned structures：
1) for the heater in the pressure reducer of the first structure, high pressure air flue is delivered to again from electrothermal tube heating, it is middle
Need by heat carrier and pressure reducer ontology, therefore, caused heat is gradual after the transmission of one-level one-level after electrothermal tube is powered
Loss, so as to which heat have lost major part when being eventually transferred into high pressure air flue, the heating effect of cryogenic gas in high pressure air flue
Rate is very low, causes the waste of the energy；Meanwhile heat carrier is only connected in upper end with pressure reducer ontology, and electrothermal tube and heat carrier
The overwhelming majority is exposed to outside, and therefore, heat caused by electrothermal tube also largely scatters and disappears in air, reduce further heat transfer
Efficiency；
2) for the gas heater disclosed in second of structure, gas from high pressure gas into device enter heater when,
Straightly from top to bottom by then from the gas in pressure reducer ontology in gap of the gas between heat transfer jacket and pressure reducer ontology
Passage enters in decompressor, and therefore, on the one hand the passage of heating is short, makes gas heating insufficient, certainly will if elongated channel
Increase electrothermal tube and the length dimension of heat transfer jacket, increase the volume of heater and whole pressure reducer, further increase is produced into
This；The two aspect heating of these gases are simultaneously unbalanced, the gas heating close to heat transfer jacket easily occur fully and close to pressure reducer
The gas of body heats insufficient phenomenon, so as to influence the effect of gas subsequent process.
The content of the invention
It is abundant, balanced the technical problem to be solved by the invention is to provide one kind heating, and heat transfer efficiency is high, cost is low
Be used for pressure reducer on heater.
In order to solve the above technical problems, provided by the present invention for the heater on pressure reducer, it includes housing, end
Lid, air inlet pipe, air outlet adapter, body, diversion rod and heating rod；Wherein, described end cap is two and is respectively fixedly connected with
The both ends of housing, body are located in housing；Described air inlet pipe is fixedly connected on one of end cap, and the one of air inlet pipe
End is stretched into housing and is connected with one end of body；Described air outlet adapter be connected on the end cap of the housing other end and with body
The other end connects；Described diversion rod is threaded at the center of body, and the junction forms spiral air passage, and installs
The both ends of the body central screwed hole of diversion rod communicate with air inlet pipe and air outlet adapter respectively；Described heating rod is at least one
Root, and be socketed in the body of diversion rod side.Described diversion rod has shunting at one end end face center of air inlet pipe
Groove, radial direction insertion of the splitter box along diversion rod.
There is air inlet gas dome, the end face of air outlet adapter is with leading between the end face of described air inlet pipe and the end face of diversion rod
There is outlet gas dome between the end face of flow post.
One end that described air inlet pipe is located at outside housing is provided with the nut for being used for connecting gas cylinder, and in the junction with end cap
It is connected with locking nut.
Temperature controller is installed on described body peripheral wall.
After above structure, the present invention compared with prior art, has the following advantages that：
1) due to the threaded connection between diversion rod and body, and the external screw thread on the internal thread and diversion rod on body it
Between certain gap be present, gases at high pressure are from the gap of screw thread, i.e., in spiral air passage therefore spiral shape by, increasing significantly
Heating passage, so that gas has obtained sufficient heating, and also make the heating of gas more balanced, it is follow-up so as to ensure
Decompression after can obtain the more stable gas of better quality, performance；Meanwhile the structure of this spiral air passage, greatly reduce
The volume of heater in itself, also reduce further production cost；
2) whole spiral shape heating air flue is surrounded by body, and body is integrally being sent out because of the heating of heating rod
Heat, therefore, it is whole heat air flue all in heated state, enable by the gases at high pressure of the air flue more fully by
Heating, it is more preferable so as to the heating effect of gas；
3) heating rod directly heats body, and the composition of body inherently spiral air passage, from heating rod to spiral shape
Heat transfer between air flue is more direct, quick, the gas that farthest heat is used in heating coil shape air flue, because
This, heat transfer rate is fast, and heat transfer efficiency is high；
4) the air inlet gas dome and outlet gas dome being provided with diversion rod both ends, make enter heating air flue when gas, with
And buffered into the gas of decompression air flue, so that the circulation of gas is more steady；
5) splitter box being provided with diversion rod close to one end of air inlet pipe, further delayed the gases at high pressure of entrance
Punching, gases at high pressure is more smoothly entered in spiral shape heating air flue, avoid occurring the phenomenon of air turbulence；
6) nut that the end of air inlet pipe is provided with, the connection of this heater and gas cylinder is made more quickly, conveniently, Er Qiewei
Dismounting when repairing is also more quick, can further improve operating efficiency；Also, because air inlet pipe is longer, only by end and this
The connection of body, its intensity be it is inadequate, and locking nut with enabling housing of the air inlet pipe more firmly with heater
Link together, so as to improve its stability；
7) temperature controller is arranged on body, equivalent to the gas temperature that can directly monitor heating air flue, makes temperature controller
Feedback of the information is more true and direct.
Brief description of the drawings
Fig. 1 is the cross section structure diagram for the heater that the present invention is used on pressure reducer.
Fig. 2 is the broken section structural representation for the heater that the present invention is used on pressure reducer.
Wherein, 1, air outlet adapter；2nd, end cap；3rd, heating rod；4th, body；5th, housing；6th, diversion rod；7th, air inlet pipe；8th, lock
Tight nut；9th, nut；10th, outlet gas dome；11st, spiral air passage；12nd, splitter box；13rd, air inlet gas dome；14th, temperature controller.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
The principle schematic of Combined changable displacement oil pump of the present invention as shown in Figure 1 understands, it include housing 5,
End cap 2, air inlet pipe 7, air outlet adapter 1, body 4, diversion rod 6 and heating rod 3.Wherein, described end cap 2 is for two and solid respectively
Surely the both ends of housing 5 are connected to, body 4 is located in housing 5.Described air inlet pipe 7 is fixedly connected on one of end cap 2,
And one end of air inlet pipe 7 is stretched into housing 5 and is connected with one end of body 4.It is another that described air outlet adapter 1 is connected to housing 5
It is connected on the end cap 2 at end and with the other end of body 4.Described diversion rod 6 is threaded at the center of body 4, the connection
Place forms spiral air passage 11, and install the both ends of the screwed hole of centre of body 4 of diversion rod 6 respectively with air inlet pipe 7 and outlet
Joint 1 communicates.Described heating rod 3 is at least one, and is socketed in the body 4 of the side of diversion rod 6.In the present embodiment, add
Hot pin 3 is one, and still, the hole that heating rod is installed on body can be with peripherally disposed multiple, for placing two heating
Rod is more, makes heating faster.
There is air inlet gas dome 13, the end of air outlet adapter 1 between the end face of described air inlet pipe 7 and the end face of diversion rod 6
There is outlet gas dome 10 between face and the end face of diversion rod 6.
Described diversion rod 6 has splitter box 12 at one end end face center of air inlet pipe 7, and the splitter box 12 is along water conservancy diversion
The radial direction insertion of bar 6.
One end that described air inlet pipe 7 is located at outside housing 5 is provided with the nut 9 for being used for connecting gas cylinder, and in the company with end cap 2
The place of connecing is connected with locking nut 8.
Temperature controller 14 is installed on the described periphery wall of body 4.
The present invention operation principle be：The power supply of heating rod 3 is connected, makes heat body 4 caused by heating rod 3, this
When gases at high pressure enter air inlet gas dome 13 through air inlet pipe 7 from gas cylinder, spiral air passage 11 is entered in the presence of splitter box 12,
After the heating of body 4, lead to outlet gas dome 10, finally lead to from air outlet adapter 1 in the decompressor of pressure reducer.
Claims (4)
- A kind of 1. heater on pressure reducer, it is characterised in that：It include housing (5), end cap (2), air inlet pipe (7), Air outlet adapter (1), body (4), diversion rod (6) and heating rod (3)；Wherein, described end cap (2) is two and fixed respectively connected The both ends of housing (5) are connected on, body (4) is located in housing (5)；Described air inlet pipe (7) is fixedly connected on one of end cap (2) on, and one end of air inlet pipe (7) is stretched into housing (5) and is connected with one end of body (4)；Described air outlet adapter (1) is even It is connected on the end cap (2) of housing (5) other end and is connected with the other end of body (4)；Described diversion rod (6) is threaded in At the center of body (4), the junction forms spiral air passage (11), and installs body (4) center screw thread of diversion rod (6) The both ends in hole communicate with air inlet pipe (7) and air outlet adapter (1) respectively；Described heating rod (3) is at least one, and is socketed in and leads In the body (4) of flow post (6) side；Described diversion rod (6) has splitter box at one end end face center of air inlet pipe (7) (12), radial direction insertion of the splitter box (12) along diversion rod (6).
- 2. the heater according to claim 1 on pressure reducer, it is characterised in that：Described air inlet pipe (7) There is air inlet gas dome (13), the end face of air outlet adapter (1) and the end of diversion rod (6) between end face and the end face of diversion rod (6) There is outlet gas dome (10) between face.
- 3. the heater according to claim 1 on pressure reducer, it is characterised in that：Described air inlet pipe (7) position The nut (9) for being used for connecting gas cylinder is provided with the one end of housing (5) outside, and locking screw is connected with the junction with end cap (2) Female (8).
- 4. the heater according to claim 1 on pressure reducer, it is characterised in that：Described body (4) periphery Temperature controller (14) is installed on wall.
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 CN104676100A (en) | 2015-06-03 |
| CN104676100B true CN104676100B (en) | 2018-04-10 |
Family
ID=53311520
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) |
Family Cites Families (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 |
| DE202004015009U1 (en) * | 2004-09-27 | 2004-11-25 | Otto, Roland | Air stream heater |
| KR200457578Y1 (en) * | 2009-08-14 | 2011-12-26 | 이승룡 | Heating apparatus for gas heating |
| CN103509564B (en) * | 2012-06-19 | 2016-01-13 | 北京华泰焦化工程技术有限公司 | A kind of 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 |
-
2015
- 2015-03-12 CN CN201510109376.0A patent/CN104676100B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104676100A (en) | 2015-06-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240528 Address after: 315121 Hanling, Dongqian Lake Tourist Resort, Ningbo City, Zhejiang Province Patentee after: Lain Fluid Technology (Ningbo) Co.,Ltd. Country or region after: China Address before: 315121 Hanling Village, Dongqian Lake Tourist Resort, Ningbo City, Zhejiang Province Patentee before: NINGBO SUNRISE ELECTOR MECHANICAL CO.,LTD. Country or region before: China |