CN205119060U - Non -contact infra -red transmitter - Google Patents
Non -contact infra -red transmitter Download PDFInfo
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- CN205119060U CN205119060U CN201520786990.6U CN201520786990U CN205119060U CN 205119060 U CN205119060 U CN 205119060U CN 201520786990 U CN201520786990 U CN 201520786990U CN 205119060 U CN205119060 U CN 205119060U
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- ignition electrode
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- combustion
- infrared transmitter
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Abstract
The utility model discloses a non -contact infra -red transmitter, including mixture portion, compression unit and combustion section, mixture portion, lower extreme connection combustion section are connected to the upper end of compression unit, mixture portion is including gas burner and combustion air mouth, the gas burner is fixed in the top of mixture portion, the combustion air mouth is located the lateral part of mixture portion, the combustion air mouth outside is equipped with the air -blast device. The utility model discloses simple structure, easily preparation have improved combustible gas mixture's whole intake, make combustion air and combustible gas's mixing ratio reach the optimum, have reduced the gas consumption, have improved radiation combustion efficiency. Overcome the inhomogeneous and cracked problem of ignition needle pottery overcoat sheath the thermal expansion, prolonged the life of ignition needle, improved job stabilization nature.
Description
Technical field
The utility model relates to industry heating technical field, relates in particular to and is applied to a kind of industry heating, the non-contact infrared radiator of dry processing.
Background technology
Along with the progress of technology, with infrared radiation, evaporate to dryness processing is carried out for material, become the common technology in current industry heating field gradually.It is low that this technology relative atmospheric convective drying has energy consumption, the advantage that dry mass is good.
In prior art field, gas-fired infrared radiation generator mainly comprises: infrared emitter from bottom to top the forward radiant burner of radiation material and infrared ray by radiation source from left and right sides to the antenna with side radiation direction burner of radiation material.And rarely have the reverse Gas-fired Radiator in Municipal of radiation source from top to bottom radiation material.In practice, what usually lain low by material to be processed is placed on processing conveyer belt, dries with the heating that load mode accepts radiant burner by heating work region.
Concerning the forward gas-fired infrared radiator of infrared ray autoradiolysis source radiation material from bottom to top: intercept between radiation source and material to be processed and have conveyer belt, conveyer belt bears ultrared direct radiation, material to be processed bears radiation indirectly across conveyer belt, the direct radiation of infrared ray cannot be realized, heat drying efficiency is on the low side, cannot reach dry mass standard; And concerning infrared ray autoradiolysis source by side lateral radiation material gas-fired infrared radiator: material is away from radiation source, and heat drying is uneven, and effect is also undesirable.
A reverse gas infrared radiation generator of the prior art, comprises mixing unit, compression unit and combustion section.Combustion gas and air are entered by mixing unit, at combustion section ignition combustion after compression unit confuses, produce infra-red radiation, carry out direct radiation heating by infra-red radiation to material.Wherein, mixing unit comprises small-power combustion gas entrance port and combustion air mouth, described small-power combustion gas entrance port and combustion air mouth are all positioned at mixing unit top, and combustion gas enters mixing unit by small-power combustion gas entrance port, drive ambient air synchronously to enter mixing unit under ejector action simultaneously.This technical scheme Problems existing is for guaranteeing the ratio of air in mist, and the gas quantity entered by small-power combustion gas entrance port is little, causes the power of infra-red radiation not high.In addition, in this reverse gas infrared radiation generator existing, the spark pin sealing that also there is ignition combustion portion is bad, and the long-time spark pin overcoat that uses is heated uneven fracture, and easily gas leakage causes misfiring; Infrared emitter, by the wire netting heated, causes that infra-red radiation is uneven, temperature regulates the problems such as not easily.How designing a kind of infrared radiator both having supported reverse combustion gas, can overcome again the reverse gas infrared radiation generator of the problems referred to above simultaneously, is the work that those skilled in the art need carry out the thinking of wound property.
Utility model content
The utility model provides a kind of non-contact infrared transmitter, is intended to address the aforementioned drawbacks.
The concrete technical scheme that the utility model adopts is:
A kind of non-contact infrared transmitter, comprises mixing unit, compression unit and combustion section; The upper end of described compression unit connects mixing unit, lower end connects combustion section; Described mixing unit comprises gas nozzle and combustion air mouth, and described gas nozzle is fixed on the top of mixing unit, and described combustion air mouth is positioned at the sidepiece of mixing unit, is provided with air-blast device outside described combustion air mouth.
By adopting this technical scheme: fuel gas enters mixing unit top by gas nozzle, combustion air enters in mixing unit by combustion air mouth under the effect of the air-blast device in outside simultaneously, then both enter compression unit jointly, compress in the inside of compression unit, fuel gas and combustion air fully confuse formation combustion mixture, then enter combustion section and burn.Compared with prior art, fuel gas and combustion air enter mixing unit respectively instead of drive combustion air to enter mixing unit by fuel gas from two positions.Thus, improve the overall intake of combustion mixture.Meanwhile, combustion air and the fuel gas of mixing unit can be entered by quantified controlling respectively, make both mixed proportions reach optimum, while decreasing gas consumption, improve radiant combustion efficiency.
Preferably, in above-mentioned non-contact infrared transmitter: described combustion section comprises housing, burner plate and igniter, described burner plate is provided with through burner port, described burner plate is fixed on housing bottom.It is even more preferred that described housing is metal shell, described burner plate is heat-stable ceramic plate, and described burner port is evenly concavo-convex is distributed in burner plate surface.
By adopting this technical scheme: control on ceramic wafer by radiation happening part, compared to traditional metallic plate radiation source, radiation profiles is more stablized controlled, is more evenly distributed.Without visible flame during pottery gas-fired infrared combustion system burner combustion, there is energy-saving and environmental protection, safe, stable advantage.
More preferably, in above-mentioned non-contact infrared transmitter: described combustion section also comprises outer frame body and ceramic insulation portion, the top and bottom opening of described outer frame body, inwall are provided with steam vent, be fixed as one with outer frame body bottom described ceramic insulation portion, be provided with space of leaking out between sidepiece and outer frame body inwall, and this leaks out, space is just to described steam vent; Described housing upper end stretches out that outer frame body is connected with compression unit, lower end is held by ceramic insulation portion.More have choosing: also comprise fixed mount, described fixed mount is fixed on outer frame body top and is held out against in ceramic insulation portion housing lower end.Further preferably, in above-mentioned non-contact infrared transmitter: described igniter is fixed on described outer frame body sidewall, and described igniter is positioned at below described housing.
By adopting this technical scheme: realize the heat insulation protection to housing bottom with ceramic insulation portion, simultaneously, external refrigeration wind enters outer frame body inside from outer frame body top, supplement heat rejecter is realized to housing exterior walls, prevents housing overheated, and discharge from the steam vent the sidewall of outer frame body through space of leaking out, circulate the bottom of outer frame body, circulation oxygen supply is realized to the burning of combustion section.
Preferably, in above-mentioned non-contact infrared transmitter: described combustion section also comprises auxiliary combustion net, described auxiliary combustion net is fixed on outer frame body inwall, and described igniter is positioned at described auxiliary combustion side on the net.
By adopting this technical scheme: arrange auxiliary combustion net, in order to the combustion mixture completely that makes also not burn is lighted again in the auxiliary combustion net metal surface of high temperature, formation hot-air rises, thermal updrafts and input air pressure from top to bottom reach dynamic equilibrium, and residue combustion mixture is stranded in Thorough combustion in combustion section.Thus realize combustion mixture and reach the effect of burning completely.
It is further preferred that in above-mentioned non-contact infrared transmitter: described igniter comprises ignition electrode, ignition electrode overcoat, ignition electrode inner sleeve; Described ignition electrode overcoat is fixed in ceramic insulation portion through outer frame body outer wall, and described outer frame body inside is stretched in ignition electrode inner sleeve one end, the other end is connected with ignition electrode overcoat, and described ignition electrode stretches into inside outer frame body through described ignition electrode overcoat and ignition electrode inner sleeve; Described ignition electrode overcoat and described ignition electrode inner sleeve all adopt pottery to form.Preferably, in above-mentioned non-contact infrared transmitter: be arranged with internal thread outside described ignition electrode, be arranged with external screw thread in described ignition electrode, described ignition electrode overcoat and ignition electrode inner sleeve are connected with a joggle by described internal thread and external screw thread.
By adopting this technical scheme: utilize the screw-threaded engagement between ignition electrode overcoat and ignition electrode inner sleeve, realize the fastened to each other of ignition electrode inner sleeve and ignition electrode overcoat, ignition electrode inner sleeve is positioned at inside outer frame body, heating temperature is higher and ignition electrode outer sheath temperature is relatively low, both expand with heat and contract with cold degree difference, the hermetic seal of ignition electrode provides contracting on the other hand and to rise space to adopt screw-threaded engagement to ensure that on the one hand, the problem that the ceramic sheath overcoming traditional ignition electrode ruptures because non-homogeneous expansion is even.
It is further preferred that in above-mentioned non-contact infrared transmitter: described auxiliary combustion net adopts the mesh grid of nickel chromium iron aluminium alloy.
Compared with prior art, the utility model structure is simple, be easy to preparation, improves the overall intake of combustion mixture, makes the mixed proportion of combustion air and fuel gas reach optimum, decrease gas consumption, improve radiant combustion efficiency.Overcome ignition electrode ceramic coat sheath expanded by heating uneven and fracture problem, extend the service life of ignition electrode, improve the stability of work.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is side-looking structural representation of the present utility model, eliminates air-blast device in Fig. 2;
Fig. 3 is the structural representation of igniter in Fig. 2;
Fig. 4 is the close-up schematic view of a-quadrant in Fig. 1.
The corresponding relation of Reference numeral and parts is as follows:
1, mixing unit; 2, compression unit; 3, combustion section; 11, gas nozzle; 12, combustion air mouth; 31, housing; 32, burner plate; 33, igniter; 34, outer frame body; 35, fixed mount; 36, auxiliary combustion net; 341, steam vent; 342, ceramic insulation portion; 343, to leak out space; 331, ignition electrode; 332, ignition electrode overcoat; 333, ignition electrode inner sleeve; 5, air-blast device.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described.
Embodiment 1 as Figure 1-4:
A kind of non-contact infrared transmitter, comprises mixing unit 1, compression unit 2 and combustion section 3; The upper end of described compression unit 2 connects mixing unit 1, lower end connects combustion section 3; Described mixing unit 1 comprises gas nozzle 11 and combustion air mouth 12, and described gas nozzle 11 is fixed on the top of mixing unit 1, and described combustion air mouth 12 is positioned at the sidewall of mixing unit 1, is provided with air-blast device 5 outside described combustion air mouth 12.
Described combustion section 3 comprises housing 31, burner plate 32, igniter 33, outer frame body 34, fixed mount 35 and auxiliary combustion net 36.Described burner plate 32 is provided with through burner port, described burner plate 32 is fixed on bottom housing 31.Described housing 31 is metal shell, and described burner plate 32 is heat-stable ceramic plate, and described burner port is evenly concavo-convex is distributed in burner plate 32 surface.Described combustion section 3 also comprises outer frame body 34 and ceramic insulation portion 342, top and bottom opening, the inwall of described outer frame body 34 are provided with steam vent 341, be fixed as one with outer frame body 34 bottom described ceramic insulation portion 342, be provided with space 343 of leaking out between sidepiece and outer frame body 34 inwall, and this leaks out, space 343 is just to described steam vent 341; Described housing 31 upper end stretches out that outer frame body 34 is connected with compression unit 2, lower end is held by ceramic insulation portion 342.Described fixed mount 35 is fixed on outer frame body 34 top and is held out against in ceramic insulation portion 342 housing 31 lower end.Described auxiliary combustion net 36 adopts the mesh grid of nickel chromium iron aluminium alloy, is fixed on outer frame body 34 inwall, and described igniter 33 is positioned at above described auxiliary combustion net 36.Described igniter 33 comprises ignition electrode 331, ignition electrode overcoat 332, ignition electrode inner sleeve 333; Described ignition electrode overcoat 332 is provided with internal thread, described ignition electrode inner sleeve 333 is provided with external screw thread, described ignition electrode overcoat 332 is fixed in ceramic insulation portion 343 through outer frame body 34 outer wall, described ignition electrode inner sleeve 333 one end stretches into that outer frame body 34 is inner, the other end realized by the internal thread of external screw thread and ignition electrode overcoat 332 both be connected with a joggle.Described ignition electrode 331 stretches into inside outer frame body 34 through described ignition electrode overcoat 332 and ignition electrode inner sleeve 333; Described ignition electrode overcoat 332 and described ignition electrode inner sleeve 333 all adopt pottery to form.
In practice: the fuel gas that blows of quantified controlling air-blast device 5 combustion air that send of drum and gas nozzle 11 respectively; Fuel gas is entered in mixing unit 1 by gas nozzle 11.Meanwhile, combustion air is entered in mixing unit 1 by combustion air mouth 12 under the air blast of air-blast device 5.Then, combustion air and fuel gas enter compression unit 2 jointly, and the inside narrow and small at compression unit 2 is compressed, what make fuel gas and combustion air fully confuses formation combustion mixture, combustion mixture enters combustion section 3, after being lighted, burner plate 32 burns by igniter 33.In combustion, the heat insulation protection bottom to housing 31 is realized with ceramic insulation portion 342, simultaneously, external refrigeration wind enters inside outer frame body 34 from outer frame body 34 top, supplement heat rejecter is realized to housing 31 outer wall, prevents housing 31 overheated, these cooling airs are discharged from the steam vent 341 outer frame body 34 sidewall through space 343 of leaking out, and circulate the bottom of outer frame body 34, realize circulation oxygen supply to the burning of combustion section 3.Meanwhile, the combustion mixture completely that do not burn is lighted again in auxiliary combustion net 36 metal surface of high temperature, and form hot-air and rise, thermal updrafts and input air pressure from top to bottom reach dynamic equilibrium, realize combustion mixture and reach the effect of burning completely.
The above, it is only a certain item embodiment of the present utility model, the utility model is not limited to the restriction of above-described embodiment, all above-described embodiment is done according to technical spirit of the present utility model similar amendment, change and replacement, still belong in the scope of the technical solution of the utility model.Protection domain of the present utility model is only defined by claims.
Claims (10)
1. a non-contact infrared transmitter, is characterized in that: comprise mixing unit (1), compression unit (2) and combustion section (3); The upper end of described compression unit (2) connects mixing unit (1), lower end connects combustion section (3); Described mixing unit (1) comprises gas nozzle (11) and combustion air mouth (12), described gas nozzle (11) is fixed on the top of mixing unit (1), described combustion air mouth (12) is positioned at the sidewall of mixing unit (1), and described combustion air mouth (12) outside is provided with air-blast device (5).
2. a kind of non-contact infrared transmitter as claimed in claim 1, it is characterized in that: described combustion section (3) comprises housing (31), burner plate (32) and igniter (33), described burner plate (32) be provided with through burner port, described burner plate (32) be fixed on housing (31) bottom.
3. a kind of non-contact infrared transmitter as claimed in claim 2, it is characterized in that: described housing (31) is metal shell, described burner plate (32) is heat-stable ceramic plate, and described burner port is evenly concavo-convex is distributed in burner plate (32) surface.
4. a kind of non-contact infrared transmitter as claimed in claim 3, it is characterized in that: described combustion section (3) also comprises outer frame body (34) and ceramic insulation portion (342), the top and bottom opening of described outer frame body (34), inwall are provided with steam vent (341), described ceramic insulation portion (342) bottom is fixed as one with outer frame body (34), be provided with space of leaking out (343) between sidepiece and outer frame body (34) inwall, and this leaks out, space (343) are just to described steam vent (341); Described housing (31) upper end stretches out that outer frame body (34) is connected with compression unit (2), lower end is held by ceramic insulation portion (342).
5. a kind of non-contact infrared transmitter as claimed in claim 4, it is characterized in that: described combustion section (3) also comprises fixed mount (35), described fixed mount (35) is fixed on outer frame body (34) top and is held out against on ceramic insulation portion (342) housing (31) lower end.
6. a kind of non-contact infrared transmitter as claimed in claim 5, is characterized in that: described igniter (33) is fixed on described outer frame body (34) sidewall, and described igniter (33) is positioned at described housing (31) below.
7. a kind of non-contact infrared transmitter as claimed in claim 6, it is characterized in that: described combustion section (3) also comprises auxiliary combustion net (36), described auxiliary combustion net (36) is fixed on outer frame body (34) inwall, and described igniter (33) is positioned at described auxiliary combustion net (36) top.
8. a kind of non-contact infrared transmitter as claimed in claim 7, is characterized in that: described igniter (33) comprises ignition electrode (331), ignition electrode overcoat (332), ignition electrode inner sleeve (333); Described ignition electrode overcoat (332) is fixed in ceramic insulation portion (342) through outer frame body (34) outer wall, outer frame body (34) inside is stretched in described ignition electrode inner sleeve (333) one end, the other end is connected with ignition electrode overcoat (332), and described ignition electrode (331) stretches into outer frame body (34) inner side through described ignition electrode overcoat (332) and ignition electrode inner sleeve (333); Described ignition electrode overcoat (332) and described ignition electrode inner sleeve (333) all adopt pottery to form.
9. a kind of non-contact infrared transmitter as claimed in claim 8, it is characterized in that: described ignition electrode overcoat (332) is provided with internal thread, described ignition electrode inner sleeve (333) is provided with external screw thread, and described ignition electrode overcoat (332) and ignition electrode inner sleeve (333) are connected with a joggle by described internal thread and external screw thread.
10. a kind of non-contact infrared transmitter as claimed in claim 9, is characterized in that: described auxiliary combustion net (36) adopts the mesh grid of nickel chromium iron aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786990.6U CN205119060U (en) | 2015-10-13 | 2015-10-13 | Non -contact infra -red transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786990.6U CN205119060U (en) | 2015-10-13 | 2015-10-13 | Non -contact infra -red transmitter |
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| Publication Number | Publication Date |
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| CN205119060U true CN205119060U (en) | 2016-03-30 |
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| CN201520786990.6U Active CN205119060U (en) | 2015-10-13 | 2015-10-13 | Non -contact infra -red transmitter |
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| CN (1) | CN205119060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568084A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared emitter |
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2015
- 2015-10-13 CN CN201520786990.6U patent/CN205119060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568084A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared emitter |
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