CN110500775B - Friction crank type nitrogen heating device - Google Patents
Friction crank type nitrogen heating device Download PDFInfo
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- CN110500775B CN110500775B CN201910781950.5A CN201910781950A CN110500775B CN 110500775 B CN110500775 B CN 110500775B CN 201910781950 A CN201910781950 A CN 201910781950A CN 110500775 B CN110500775 B CN 110500775B
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- friction
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- heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a friction crank type nitrogen heating device which comprises a heating tank, a friction column, a telescopic driving mechanism, an electric heating pipe, a crank mechanism and a dynamic friction plate, wherein the friction column is arranged on the heating tank; according to the invention, the plurality of dynamic friction plates are rotatably connected in the friction channel from top to bottom, and the dynamic friction plates are rotatably arranged in the friction channel through the torsion spring, so that the plurality of dynamic friction plates are driven to float when the friction column reciprocates up and down, the friction and disturbance effects on nitrogen are increased, and the heating effect of the nitrogen is greatly increased; the invention has high heating efficiency and energy saving.
Description
Technical Field
The invention relates to a friction curved motion type nitrogen heating device.
Background
At present, nitrogen gas need heat before using, makes it reach certain temperature and reuses, and current nitrogen gas heating methods is generally through the horizontal jar of body, and its inside powerful electric heater that sets up, jar body one side is the nitrogen gas intake pipe, and its other end is the nitrogen gas outlet duct, and nitrogen gas transversely flows through from jar body and carries out the heat transfer with electric heater, and the heating efficiency of the heating methods of structure is not high, and the power consumption is serious moreover.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides a friction crank type nitrogen heating device with high heating efficiency and energy saving.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a friction crank type nitrogen heating device comprises a heating tank, a friction column, a telescopic driving mechanism, an electric heating pipe, a crank mechanism and a dynamic friction plate; a heating cavity is arranged in the heating tank; a plurality of electric heating pipes are arranged in the heating tank; an exhaust pipe is arranged on one side of the upper end of the heating tank, and an air inlet pipe is arranged on one side of the lower end of the heating tank; the friction column is arranged below the interior of the heating tank; the friction column is of a cylindrical structure; a plurality of friction channels penetrating through the upper end and the lower end of the friction column are uniformly distributed on the friction column; a plurality of dynamic friction plates are rotatably connected in the friction channel from top to bottom; the dynamic friction plate is rotatably arranged in the friction channel through a torsion spring; the curved motive mechanism is arranged inside the heating tank; the bending mechanism is arranged above the friction column; the curved moving mechanism comprises a plurality of pushing arc-shaped plates; the plurality of pushing arc plates are distributed on two sides of the heating tank from bottom to top in a staggered manner; the upper end of the pushing arc plate inclines towards the inner wall of the heating tank, and the lower end of the pushing arc plate inclines towards the axis of the heating tank; the telescopic driving mechanism drives the plurality of pushing arc-shaped plates to move; the two sides of the heating tank push the arc-shaped plates from bottom to top to reciprocate along the radial direction of the heating tank in turn; the telescopic driving mechanism is arranged outside one side of the heating tank; the telescopic driving mechanism drives the friction column to reciprocate up and down.
Furthermore, the bending mechanism also comprises a plurality of floating rods, a plurality of elastic bodies, a plurality of driven blocks, a telescopic driving ring and a plurality of driving blocks; the outer sides of the pushing arc plates are respectively connected with a floating rod; the floating rod is installed on the heating tank in a telescopic and penetrating manner; one end of the floating rod is fixed on the outer side of the pushing arc-shaped plate, and the other end of the floating rod extends to the outer side of the heating tank; driven blocks are respectively arranged at the other ends of the floating rods; the floating rods are respectively sleeved with an elastic body; the elastic body is elastically compressed and arranged between the driven block and the outer wall of the heating tank; the telescopic driving ring is sleeved on the outer side of the heating tank and is positioned on the outer sides of the driven blocks; a plurality of driving blocks are arranged in the telescopic driving ring; the driving blocks are distributed on two sides of the interior of the telescopic driving ring from bottom to top in a staggered manner; the driving blocks and the driven blocks are respectively in one-to-one correspondence; when the driving block moves up and down, the driven block is driven to move in a telescopic way along the radial direction of the heating tank; the driven block drives the floating rod and the pushing arc-shaped plate to perform telescopic movement along the radial direction of the heating tank; the telescopic driving mechanism drives the telescopic driving ring to reciprocate up and down.
Furthermore, a driven abutting inclined plane is arranged on the outer side of the driven block; the inner side of the driving block is provided with a driving abutting inclined plane; the driving block is pressed against the driven abutting inclined plane of the driven block through the driving abutting inclined plane; and when the driving abutting inclined plane of the driving block moves up and down, the driven abutting inclined plane of the driven block is driven to move along the radial direction of the heating tank.
Further, the axial vertical spacing between the driving block and the driven block which are arranged on the outer sides of the pushing arc plates in a staggered manner from bottom to top and mutually abut against each other is sequentially increased from bottom to top.
Furthermore, the telescopic driving mechanism comprises a driving cylinder, a driving rod and a connecting rod; the driving cylinder is arranged on the outer side of the lower end of the heating tank; the upper end of the driving cylinder is telescopically connected with a driving rod; one end of the driving rod stretches up and down to penetrate into the heating tank and is connected to one side of the friction column; a connecting rod is fixed above the other end of the driving rod; the connecting rod is connected to one side of the lower end of the telescopic driving ring.
Furthermore, a first telescopic sealing ring is arranged around the driving rod; a first groove is formed in the heating tank; the driving rod is connected with the first groove of the heating tank in a penetrating manner; the inner end of the first telescopic sealing ring is connected to the driving rod in a sealing mode all around, and the outer end of the first telescopic sealing ring is connected to the periphery of the first groove in a sealing mode all around.
Furthermore, a second telescopic sealing ring is arranged around the floating rod; a plurality of second grooves are formed in the heating tank; the floating rod is connected with the second groove of the heating tank in a penetrating manner; the periphery of the inner end of the second telescopic sealing ring is hermetically connected to the floating rod, and the periphery of the outer end of the second telescopic sealing ring is hermetically connected to the periphery of the second groove.
Further, the heating cavity is of a cylindrical structure; the outer sides of the peripheries of the lower ends of the friction columns are provided with abutting rings; the friction column is rotationally abutted against the inner wall of the heating tank through the abutting ring on the periphery of the lower end.
Further, the abutting ring is made of polytetrafluoroethylene materials.
The invention has the advantages of
According to the invention, the plurality of dynamic friction plates are rotatably connected in the friction channel from top to bottom, and the dynamic friction plates are rotatably arranged in the friction channel through the torsion spring, so that the plurality of dynamic friction plates are driven to float when the friction column reciprocates up and down, the friction and disturbance effects on nitrogen are increased, and the heating effect of the nitrogen is greatly increased; according to the invention, the telescopic driving mechanism drives the friction column to reciprocate up and down, so that nitrogen is shunted and heated by the friction channel in the friction column at first, and then due to the reciprocating up and down movement of the friction column, the reciprocating friction motion can be carried out between the nitrogen and the friction channel of the friction column, so that the friction between the friction column and the nitrogen generates heat, and the heating degree of the nitrogen is increased; when nitrogen gas continues upward movement, because a plurality of promotion arcs from bottom to top crisscross distribution in the both sides of heating jar to the promotion arc from bottom to top is along heating jar radial reciprocating motion in proper order, so form and upwards carry out the operation mode that the bending is promoted with nitrogen gas, make nitrogen gas the inside crooked upward movement that is the S-shaped of heating jar, nitrogen gas makes to be promoted the arc and carries out dynamic promotion bat in addition and scatters, very big increase the time of being heated and the effect of being heated of nitrogen gas.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged view of the heating tank, the friction column and the telescopic driving mechanism of the present invention.
Fig. 3 is an enlarged schematic structural view of the flexure mechanism of the present invention.
Fig. 4 is a schematic top view of the flexure mechanism of the present invention.
Fig. 5 is a partially enlarged structural schematic diagram of the floating rod in the flexure mechanism of the invention.
Fig. 6 is a schematic view of the distribution structure of a plurality of pushing arcs of the invention.
FIG. 7 is an enlarged schematic view of the friction column and dynamic friction plate of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, a friction crank type nitrogen heating device includes a heating tank 1, a friction column 3, a telescopic driving mechanism 5, an electric heating pipe 9, a crank mechanism 4, and a dynamic friction plate 6; a heating cavity 11 is arranged in the heating tank 1; a plurality of electric heating pipes 9 are arranged inside the heating tank 1; an exhaust pipe 13 is arranged on one side of the upper end of the heating tank 1, and an air inlet pipe 12 is arranged on one side of the lower end of the heating tank 1; the friction column 3 is arranged below the interior of the heating tank 1; the friction column 1 is of a cylindrical structure; a plurality of friction channels 31 penetrating through the upper end and the lower end of the friction column 1 are uniformly distributed on the friction column; a plurality of dynamic friction plates 6 are rotatably connected in the friction channel 31 from top to bottom; the dynamic friction plate 6 is rotationally arranged in the friction channel 31 through a torsion spring 61; the bending mechanism 4 is arranged inside the heating tank 1; the crank mechanism 4 is arranged above the friction column 3; the curved moving mechanism 4 comprises a plurality of pushing arc plates 41; the plurality of pushing arc plates 41 are distributed on two sides of the heating tank 1 from bottom to top in a staggered manner; the upper end of the pushing arc plate 41 inclines towards the inner wall of the heating tank 1, and the lower end of the pushing arc plate 41 inclines towards the axis of the heating tank 1; the telescopic driving mechanism 5 drives the plurality of pushing arc-shaped plates 41 to move; the arc-shaped plates 41 are pushed from bottom to top at two sides of the heating tank 1 to reciprocate along the radial direction of the heating tank 1 in turn; the telescopic driving mechanism 5 is arranged outside one side of the heating tank 1; the telescopic driving mechanism 5 drives the friction column 3 to reciprocate up and down. The electric heating tube of the present invention can use a low power schel brand type 220 heating tube.
As shown in fig. 1 to 5, further, the bending mechanism 4 further includes a plurality of floating rods 43, a plurality of elastic bodies 46, a plurality of driven blocks 44, a telescopic driving ring 42, a plurality of driving blocks 45; the outer sides of the pushing arc plates 41 are respectively connected with a floating rod 43; the floating rod 43 is telescopically mounted on the heating tank 1 in a penetrating way; one end of the floating rod 43 is fixed on the outer side of the pushing arc-shaped plate 41, and the other end extends to the outer side of the heating tank 1; the other ends of the floating rods 43 are respectively provided with driven blocks 44; the floating rods 43 are respectively sleeved with an elastic body 46; the elastic body 46 is elastically compressed and installed between the driven block 44 and the outer wall of the heating tank 1; the telescopic driving ring 42 is sleeved outside the heating tank 1 and is positioned outside the driven blocks 44; a plurality of driving blocks 45 are arranged inside the telescopic driving ring 42; the driving blocks 45 are distributed on two sides of the inside of the telescopic driving ring 42 in a staggered way from bottom to top; the driving blocks 45 and the driven blocks 44 are respectively in one-to-one correspondence; when the driving block 45 moves up and down, the driven block 44 is driven to move in a telescopic way along the radial direction of the heating tank 1; the driven block 44 drives the floating rod 43 and the pushing arc-shaped plate 41 to perform telescopic movement along the radial direction of the heating tank 1; the telescopic driving mechanism 5 drives the telescopic driving ring 42 to reciprocate up and down.
As shown in fig. 3 and 5, further, the driven block 44 is provided with a driven abutting inclined surface 441 at the outer side; the inner side of the driving block 45 is provided with a driving abutting inclined surface 451; the driving block 45 is pressed against the driven abutting inclined surface 441 of the driven block 44 through the driving abutting inclined surface 451; when the driving abutment slope 451 of the driving block 45 moves up and down, the driven abutment slope 441 of the driven block 44 moves in the radial direction of the heating tank 1, and presses the driven block 44 outward through the elastic body 46, so that the driven block 44 is returned outward.
As shown in fig. 5 and 6, further, axial vertical distances L between the driving blocks 45 and the driven blocks 44, which are mutually abutted on the outer sides of the pushing arc plates 41, which are alternately distributed from bottom to top, are sequentially increased from bottom to top, in this embodiment, the four pushing arc plates 41 are respectively marked as No. 41A, No. 41B, No. 41C, and No. 41D from bottom to top, in this embodiment, the four pushing arc plates 41 are provided, each pushing arc plate 41 is provided with a pair of driving blocks 45 and driven blocks 44 which are mutually abutted on the outer sides, so that there are four pairs of driving blocks 45 and driven blocks 44, so that four vertical distances L are generated, and the four vertical distances L are sequentially increased from bottom to top, that is, the vertical distances L between the driving blocks 45 and the driven blocks 44 on the outer sides of No. 41A, No. 41B, No. 41C, No. 41D are sequentially increased. As shown in fig. 6, when the telescopic driving ring 42 moves upward, the four driving blocks 45 outside No. 41A, No. 41B, No. 41C and No. 41D are driven by the telescopic driving ring 42 to move upward together, then the driving block 45 outside No. 41A pushing arc plate 41 first abuts against the driven block 44, so that the driven block 44 outside No. 41A is driven to move inward along the radial direction of the heating tank, so that No. 41A pushes the arc plate 41 to move along the arrow direction, then the driving block 45 outside No. 41B pushing arc plate 41 abuts against the driven block 44 along with the upward movement of the telescopic driving ring 42, so that No. 41B pushes the arc plate 41 to move along the arrow direction, and so on, the pushing arc plates 41 of No. 41C and No. 41D sequentially move radially, so that the pushing arc plates 41 of No. 41A, No. 41B, No. 41C and No. 41D sequentially move from top to bottom in a staggered manner, the nitrogen is driven to dynamically bend in an S shape and move up and down.
As shown in fig. 1, further, the telescopic driving mechanism 5 includes a driving cylinder 51, a driving rod 53, and a connecting rod 54; the driving cylinder 51 is arranged at the outer side of the lower end of the heating tank 1; the upper end of the driving cylinder 51 is telescopically connected with a driving rod 53; one end of the driving rod 53 stretches up and down to penetrate into the heating tank 1 and is connected to one side of the friction column 3; a connecting rod 54 is fixed above the other end of the driving rod 53; the connecting rod 54 is connected to the lower end side of the telescopic drive ring 42. Thus, the friction column 3 and the crank mechanism 4 can be synchronously driven by the telescopic driving mechanism 5.
As shown in fig. 2, further, a first telescopic sealing ring 531 is disposed around the driving rod 53; a first groove 14 is arranged on the heating tank 1; the driving rod 53 is connected with the first groove 4 of the heating tank 1 in a penetrating way; the inner end of the first telescopic sealing ring 531 is connected to the driving rod 53 in a sealing mode all around, and the outer end of the first telescopic sealing ring 531 is connected to the first groove 14 in a sealing mode all around.
As shown in fig. 5, further, a second telescopic sealing ring 431 is arranged around the floating rod 43; a plurality of second grooves 15 are formed in the heating tank 1; the floating rod 43 is connected with the second groove 15 of the heating tank 1 in a penetrating way; the periphery of the inner end of the second telescopic sealing ring 431 is hermetically connected to the floating rod 43, and the periphery of the outer end of the second telescopic sealing ring 431 is hermetically connected to the periphery of the second groove 15. Further, the heating cavity 11 is of a cylindrical structure; the outer sides of the periphery of the lower end of the friction column 3 are provided with abutting rings 33; the friction column 3 is rotatably abutted against the inner wall of the periphery of the heating tank 1 through an abutting ring 33 at the periphery of the lower end. Further, the abutting ring 33 is made of teflon.
According to the invention, the plurality of dynamic friction plates 6 are rotatably connected in the friction channel 31 from top to bottom, the dynamic friction plates 6 are rotatably arranged in the friction channel 31 through the torsion spring 61, so that the plurality of dynamic friction plates 6 are driven to float when the friction column 31 reciprocates up and down, the friction and disturbance effects on nitrogen are increased, and the heating effect of nitrogen is greatly increased; according to the invention, the telescopic driving mechanism 5 drives the friction column 3 to reciprocate up and down, so that nitrogen is firstly shunted and heated by the friction channel 31 in the friction column 3, and then the friction motion is carried out between the nitrogen and the friction channel 31 of the friction column 3 due to the reciprocating up and down motion of the friction column 3, so that the friction between the friction column 3 and the nitrogen generates heat, and the heating degree of the nitrogen is increased; when nitrogen gas continues upward movement, because a plurality of promotion arc 41 crisscross distributions from bottom to top are in the both sides of heating jar 1 to promotion arc 41 from bottom to top is along heating jar 1 radial reciprocating motion in proper order, so form the operation mode that upwards carries out the crooked formula with nitrogen gas and promote, make nitrogen gas at the inside crooked upward movement that is the S-shaped of heating jar 1, and nitrogen gas makes to be promoted arc 41 and carries out dynamic promotion bat and scatter in addition, very big increase the heated time and the effect of being heated of nitrogen gas.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A friction crank type nitrogen heating device is characterized by comprising a heating tank, a friction column, a telescopic driving mechanism, an electric heating pipe, a crank mechanism and a dynamic friction plate; a heating cavity is arranged in the heating tank; a plurality of electric heating pipes are arranged in the heating tank; an exhaust pipe is arranged on one side of the upper end of the heating tank, and an air inlet pipe is arranged on one side of the lower end of the heating tank; the friction column is arranged below the interior of the heating tank; the friction column is of a cylindrical structure; a plurality of friction channels penetrating through the upper end and the lower end of the friction column are uniformly distributed on the friction column; a plurality of dynamic friction plates are rotatably connected in the friction channel from top to bottom; the dynamic friction plate is rotatably arranged in the friction channel through a torsion spring; the curved motive mechanism is arranged inside the heating tank; the bending mechanism is arranged above the friction column; the curved moving mechanism comprises a plurality of pushing arc-shaped plates; the plurality of pushing arc plates are distributed on two sides of the heating tank from bottom to top in a staggered manner; the upper end of the pushing arc plate inclines towards the inner wall of the heating tank, and the lower end of the pushing arc plate inclines towards the axis of the heating tank; the telescopic driving mechanism drives the plurality of pushing arc-shaped plates to move; the two sides of the heating tank push the arc-shaped plates from bottom to top to reciprocate along the radial direction of the heating tank in turn; the telescopic driving mechanism is arranged outside one side of the heating tank; the telescopic driving mechanism drives the friction column to reciprocate up and down.
2. The nitrogen heating apparatus of claim 1, wherein the crank mechanism further comprises a plurality of floating rods, a plurality of elastic bodies, a plurality of driven blocks, a telescopic driving ring, a plurality of driving blocks; the outer sides of the pushing arc plates are respectively connected with a floating rod; the floating rod is installed on the heating tank in a telescopic and penetrating manner; one end of the floating rod is fixed on the outer side of the pushing arc-shaped plate, and the other end of the floating rod extends to the outer side of the heating tank; driven blocks are respectively arranged at the other ends of the floating rods; the floating rods are respectively sleeved with an elastic body; the elastic body is elastically compressed and arranged between the driven block and the outer wall of the heating tank; the telescopic driving ring is sleeved on the outer side of the heating tank and is positioned on the outer sides of the driven blocks; a plurality of driving blocks are arranged in the telescopic driving ring; the driving blocks are distributed on two sides of the interior of the telescopic driving ring from bottom to top in a staggered manner; the driving blocks and the driven blocks are respectively in one-to-one correspondence; when the driving block moves up and down, the driven block is driven to move in a telescopic way along the radial direction of the heating tank; the driven block drives the floating rod and the pushing arc-shaped plate to perform telescopic movement along the radial direction of the heating tank; the telescopic driving mechanism drives the telescopic driving ring to reciprocate up and down.
3. The friction crank type nitrogen gas heating apparatus as claimed in claim 2, wherein the driven block is provided with a driven abutting inclined surface at an outer side thereof; the inner side of the driving block is provided with a driving abutting inclined plane; the driving block is pressed against the driven abutting inclined plane of the driven block through the driving abutting inclined plane; and when the driving abutting inclined plane of the driving block moves up and down, the driven abutting inclined plane of the driven block is driven to move along the radial direction of the heating tank.
4. The friction crank type nitrogen gas heating device according to claim 3, wherein the axial vertical distances between the driving blocks and the driven blocks outside the pushing arc plates, which are alternately distributed from bottom to top, increase from bottom to top.
5. The friction crank type nitrogen gas heating device according to claim 2, wherein the telescopic driving mechanism comprises a driving cylinder, a driving rod and a connecting rod; the driving cylinder is arranged on the outer side of the lower end of the heating tank; the upper end of the driving cylinder is telescopically connected with a driving rod; one end of the driving rod stretches up and down to penetrate into the heating tank and is connected to one side of the friction column; a connecting rod is fixed above the other end of the driving rod; the connecting rod is connected to one side of the lower end of the telescopic driving ring.
6. The friction flexible nitrogen heating device according to claim 5, wherein a first telescopic sealing ring is arranged around the driving rod; a first groove is formed in the heating tank; the driving rod is connected with the first groove of the heating tank in a penetrating manner; the inner end of the first telescopic sealing ring is connected to the driving rod in a sealing mode all around, and the outer end of the first telescopic sealing ring is connected to the periphery of the first groove in a sealing mode all around.
7. The friction crank type nitrogen gas heating device according to claim 2, wherein a second telescopic sealing ring is arranged around the floating rod; a plurality of second grooves are formed in the heating tank; the floating rod is connected with the second groove of the heating tank in a penetrating manner; the periphery of the inner end of the second telescopic sealing ring is hermetically connected to the floating rod, and the periphery of the outer end of the second telescopic sealing ring is hermetically connected to the periphery of the second groove.
8. A friction meander nitrogen gas heating apparatus as in claim 1, wherein said heating chamber is of a cylindrical configuration; the outer sides of the peripheries of the lower ends of the friction columns are provided with abutting rings; the friction column is rotationally abutted against the inner wall of the heating tank through the abutting ring on the periphery of the lower end.
9. A friction flexure type nitrogen gas heating apparatus according to claim 8, wherein said abutment ring is made of a polytetrafluoroethylene material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910781950.5A CN110500775B (en) | 2019-08-23 | 2019-08-23 | Friction crank type nitrogen heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910781950.5A CN110500775B (en) | 2019-08-23 | 2019-08-23 | Friction crank type nitrogen heating device |
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| CN110500775A CN110500775A (en) | 2019-11-26 |
| CN110500775B true CN110500775B (en) | 2021-10-15 |
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| GB1092653A (en) * | 1964-03-26 | 1967-11-29 | Petrol Injection Ltd | Electric fan assisted air heater |
| AU2008356885C1 (en) * | 2008-04-16 | 2015-09-24 | Mitja Victor Hinderks | New reciprocating machines and other devices |
| US9267704B1 (en) * | 2012-01-26 | 2016-02-23 | Procom Heating, Inc. | Portable heater housing |
| CN107664048A (en) * | 2017-11-27 | 2018-02-06 | 田齐芳 | A kind of silencer |
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|---|---|---|---|---|
| CN1261864A (en) * | 1997-07-04 | 2000-08-02 | 星光玻璃技术有限公司 | Processes and devices for producing glass foils and composite bodies produced therefrom |
| JP2007113430A (en) * | 2005-10-18 | 2007-05-10 | Sanden Corp | Swash plate compressor |
| FR2924169A1 (en) * | 2007-11-28 | 2009-05-29 | Renault Sas | DELEGATION AND HEATING DEVICE AND METHOD FOR MOTOR VEHICLE |
| CN202955946U (en) * | 2012-11-01 | 2013-05-29 | 常州捷佳创精密机械有限公司 | Nitrogen gas heating device |
| CN103943538A (en) * | 2014-04-25 | 2014-07-23 | 苏州天霖电子科技有限公司 | Nitrogen heating device |
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| CN110500775A (en) | 2019-11-26 |
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