CN204005998U - Radiant tube that can balancing gas pressure - Google Patents
Radiant tube that can balancing gas pressure Download PDFInfo
- Publication number
- CN204005998U CN204005998U CN201420399218.4U CN201420399218U CN204005998U CN 204005998 U CN204005998 U CN 204005998U CN 201420399218 U CN201420399218 U CN 201420399218U CN 204005998 U CN204005998 U CN 204005998U
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- CN
- China
- Prior art keywords
- radiant tube
- ram pot
- tube body
- check valve
- burner
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Gas Burners (AREA)
Abstract
The utility model is a kind of radiant tube that can balancing gas pressure, comprises radiant tube body, air pressure balance cylinder, heat storage, burner, check valve and aspiration pump; One end of radiant tube body is provided with burner, and the other end is provided with check valve; Air pressure balance cylinder comprises surge drum and ram pot; Surge drum is axially arranged with balance cavity along it, and balance cavity is radially provided with radiant tube along it and imports and exports and combustion gas inlet; Ram pot is provided with hydraulic cylinder; Hydraulic cylinder is connected with sliding plug by connecting rod; Sliding plug is in the form of annular discs, and it is coated with sealing ring; Radiant tube import and export is connected with radiant tube body by fire prevention breathable cloth; Combustion gas inlet is connected with air intake pump by air inlet pipe; Heat storage is installed on one end near burner in radiant tube body; Aspiration pump is connected with check valve by exhaust tube.In the utility model, the combustion-gas pressure in radiant tube can maintain balance; Keep burning evenly; The interior heat production of radiant tube is even, and the outer heat radiation of pipe is balanced.
Description
Technical field
The utility model belongs to radiant tube field, be specifically related to a kind of have can equilibrium radiation combustion inner pipe gas gas pressure function, burning gases are evenly burnt, the radiant tube of radiant tube internal temperature equilibrium.
Background technology
Radiant tube is a kind of heat that utilizes combustion inner pipe gas combustion to produce, and taking heat radiation as principal mode, heat is delivered to the heater of heating object by the tube-surface being heated.Its combustion atmosphere does not contact with heating object with product, and heat treatment is to carry out under protective atmosphere completely, in the production process that therefore radiant tube is applicable to product quality to have relatively high expectations.
But, in existing radiant tube, be all a straight tube for the pipeline of the burning gases that burn, if the gas pressure of burning gases can not get balance, must cause the burning gases can not uniform filling in radiant tube, therefore the burning gases in radiant tube can not evenly burn, and cause existing in radiant tube irregular temperature difference, hot-fluid is unbalanced, further cause managing outer heat radiation inhomogeneous, heating object can not thermally equivalent, affects product quality.
Therefore, develop a kind of have can equilibrium radiation combustion inner pipe gas gas pressure function, burning gases are evenly burnt, the radiant tube of radiant tube internal temperature equilibrium is a difficult problem for the required solution of those skilled in the art.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of have can equilibrium radiation combustion inner pipe gas gas pressure function, burning gases are evenly burnt, the radiant tube of radiant tube internal temperature equilibrium.
In order to achieve the above object, the utility model provides following technical scheme:
Radiant tube that can balancing gas pressure, comprises radiant tube body, air pressure balance cylinder, heat storage, burner, check valve and aspiration pump; One end of radiant tube body is provided with burner, and the other end is provided with check valve; Air pressure balance cylinder comprises surge drum and ram pot; Surge drum is connected with ram pot, and surge drum is axially arranged with columned balance cavity along it, and balance cavity, away from one end of ram pot, is radially respectively equipped with radiant tube along it and imports and exports and combustion gas inlet; Ram pot is provided with hydraulic cylinder; Hydraulic cylinder is connected with connecting rod; Connecting rod is positioned at surge drum and ram pot, and is fixed with sliding plug; Sliding plug is in the form of annular discs, and it is coated with sealing ring; The thickness of sealing ring is identical with the diameter of balance cavity with the diameter sum of sliding plug; Radiant tube import and export is provided with fire prevention breathable cloth; And be connected with radiant tube body; Combustion gas inlet is connected with air intake pump by air inlet pipe; Heat storage is installed on one end near burner in radiant tube body; Aspiration pump is connected with check valve by exhaust tube.
The utility model is a kind of radiant tube that can balancing gas pressure, is made up of radiant tube body, air pressure balance cylinder, heat storage, burner, check valve and aspiration pump.One end of radiant tube body is provided with heat storage and burner, for the burning gases in radiant tube are burnt, produces heat; The other end of radiant tube body is provided with check valve and aspiration pump, for waste gas being discharged after gas combustion in radiant tube completes.
Air pressure balance cylinder in the utility model is made up of surge drum and ram pot; Surge drum be axially arranged with cylindric balance cavity, away from one end of ram pot, import and export and combustion gas inlet along being radially provided with radiant tube, radiant tube is imported and exported with radiant tube body and is connected by fire prevention breathable cloth, and combustion gas inlet is connected with air intake pump by air inlet pipe.Ram pot is provided with hydraulic cylinder, and hydraulic cylinder is connected with connecting rod, and connecting rod is connected with the sliding plug that is wrapped in sealing ring.
In the time that the air pressure of radiant tube body is higher, burning gases promote sliding plug by fire prevention breathable cloth towards ram pot, and burning gases enter balance cavity and store, and the air pressure in radiant tube body is reduced; In the time that the air pressure of radiant tube body is lower, it is mobile that connecting rod drives sliding plug to import and export to radiant tube, by ventilative not the pushing in radiant tube body of preventing fires, the air pressure in radiant tube body raise the burning gases that store in balance cavity.
As preferably, the sidewall of ram pot has latasuture; One end that connecting rod is positioned at ram pot is fixed with pointer by latasuture; Pointer is connected with displacement sensor; Displacement sensor is installed on the outside of ram pot, and is connected with air intake pump.
In the utility model, in air pressure balance cylinder, the sidewall of ram pot also has latasuture, and connecting rod is fixed with pointer by latasuture, and pointer is connected with displacement sensor, and displacement sensor is connected with recent pump.
In the time that the air pressure of radiant tube body inside is higher, burning gases enter in balance cavity, and connecting rod is promoted to one end of importing and exporting away from radiant tube together with pointer, and the displacement sensor being connected with pointer senses the negative sense displacement of pointer, carry instruction to air intake pump, keep closed condition; In the time that the air pressure of radiant tube body inside is lower, the burning gases that store in balance cavity enter radiant tube body inside, connecting rod is imported and exported mobile together with pointer to radiant tube, the displacement sensor being connected with pointer senses the positive-displacement of pointer, carry instruction to air intake pump, start air intake pump, to being filled with burning gases by the import hard of burning in balance cavity, then enter radiant tube body by fire prevention breathable cloth.
As preferably, heat storage comprises wire and ceramic particle; Wire is netted heating resisting metal silk, and is provided with layer 2-4; Ceramic particle is spherical, and is fixed on the grid node place of netted heating resisting metal silk.
Heat storage in the utility model comprises netted heating resisting metal silk and ceramic particle, and traditional heat storage is all positioned at the outside of radiant tube, so just has the poor and caducous problem of sealing being connected between heat storage and radiant tube; Heat storage in the utility model is positioned at the inside of radiant tube, first can there is not sealing and caducous problem, and formed by heating resisting metal silk and ceramic particle, the heat that heating resisting metal silk can be by convection into the radiation mouth of pipe carries out uniform heat conduction, and be provided with ceramic particle between heating resisting metal silk, ceramic particle had both played the effect of isolation heating resisting metal silk, had the function of heat accumulation simultaneously.Completing once while once heating on carrying out after heating, can carry out preheating to the burning gases of radiant tube body inside, required fuel can reduce burner burning time.
As preferably, the pipe thickness of radiant tube body is 2-4mm.
The pipe thickness of radiant tube body is made as 2-4mm by the utility model, and tube wall thin-walled property more easily absorbs thermal stress, more easily the heat producing in pipe externally carried out to radiation.
The utility model is compared with existing radiant tube, and beneficial effect is: the combustion-gas pressure in (1) radiant tube can maintain balance; (2) keep burning evenly; (3) in radiant tube, heat production is even, and the outer heat radiation of pipe is balanced.
Brief description of the drawings
Fig. 1, structural representation of the present utility model;
The structural representation of air pressure balance cylinder in Fig. 2, the utility model;
Structural representation wiry in Fig. 3, the utility model;
The side view of heat storage in Fig. 4, the utility model.
Reference numerals list: radiant tube body 1, air pressure balance cylinder 2, heat storage 3, burner 4, check valve 5, aspiration pump 6, surge drum 7, ram pot 8, balance cavity 9, radiant tube import and export 10, combustion gas inlet 11, hydraulic cylinder 12, connecting rod 13, sliding plug 14, sealing ring 15, fire prevention breathable cloth 16, air inlet pipe 17, air intake pump 18, exhaust tube 19, pointer 20, displacement sensor 21, wire 22, ceramic particle 23.
Detailed description of the invention
Technical scheme the utility model being provided below with reference to specific embodiment is elaborated, and should understand following detailed description of the invention and only be not used in restriction scope of the present utility model for the utility model is described.
Be illustrated in figure 1 structural representation of the present utility model, the utility model is a kind of radiant tube that can balancing gas pressure, comprises radiant tube body 1, air pressure balance cylinder 2, heat storage 3, burner 4, check valve 5 and aspiration pump 6.
One end of radiant tube body 1 is provided with burner 4, and the other end is provided with check valve 5, and the pipe thickness of radiant tube body 1 is 4mm.
As shown in Figure 2, air pressure balance cylinder 2 comprises surge drum 7 and ram pot 8; Surge drum 7 is connected with ram pot 8, and surge drum 7 is axially arranged with columned balance cavity 9 along it, and balance cavity 9, away from one end of ram pot 8, is radially respectively equipped with radiant tube import and export 10 and combustion gas inlet 11 along it; Ram pot 8 is provided with hydraulic cylinder 12; Hydraulic cylinder 12 is connected with connecting rod 13; Connecting rod 13 is positioned at surge drum 7 and ram pot 8, and is fixed with sliding plug 14; Sliding plug 14 is in the form of annular discs, and it is coated with sealing ring 15; The thickness of sealing ring 15 is identical with the diameter of balance cavity 9 with the diameter sum of sliding plug 14; Radiant tube is imported and exported 10 places and is provided with fire prevention breathable cloth 16; And be connected with radiant tube body 1; Combustion gas inlet 11 is connected with air intake pump 18 by air inlet pipe 17; The sidewall of ram pot 8 has latasuture; One end that connecting rod 13 is positioned at ram pot 8 is fixed with pointer 20 by latasuture; Pointer 20 is connected with displacement sensor 21; Displacement sensor 21 is installed on the outside of ram pot 8, and is connected with air intake pump 18.
Heat storage 3 is installed on one end near burner 4 in radiant tube body 1, and as shown in Figure 4, heat storage 3 comprises wire 22 and ceramic particle 23; As shown in Figure 3, wire 22 is netted heating resisting metal silk, and is provided with layer 2-4; Ceramic particle 23 is spherical, and is fixed on the grid node place of netted heating resisting metal silk.
Aspiration pump 6 is connected with check valve 5 by exhaust tube 19.
Finally it should be noted that, above embodiment is the non-limiting technical scheme in order to the technical solution of the utility model to be described only, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or are equal to replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. a radiant tube that can balancing gas pressure, is characterized in that: comprise radiant tube body (1), air pressure balance cylinder (2), heat storage (3), burner (4), check valve (5) and aspiration pump (6); One end of described radiant tube body (1) is provided with burner (4), and the other end is provided with check valve (5); Described air pressure balance cylinder (2) comprises surge drum (7) and ram pot (8); Described surge drum (7) is connected with ram pot (8), surge drum (7) is axially arranged with columned balance cavity (9) along it, described balance cavity (9), away from one end of ram pot (8), is radially respectively equipped with radiant tube along it and imports and exports (10) and combustion gas inlet (11); Described ram pot (8) is provided with hydraulic cylinder (12); Described hydraulic cylinder (12) is connected with connecting rod (13); Described connecting rod (13) is positioned at surge drum (7) and ram pot (8), and is fixed with sliding plug (14); Described sliding plug (14) is in the form of annular discs, and it is coated with sealing ring (15); The thickness of described sealing ring (15) is identical with the diameter of balance cavity (9) with the diameter sum of sliding plug (14); Described radiant tube is imported and exported (10) and is located to be provided with fire prevention breathable cloth (16); And be connected with radiant tube body (1); Described combustion gas inlet (11) is connected with air intake pump (18) by air inlet pipe (17); Described heat storage (3) is installed on one end near burner (4) in radiant tube body (1); Described aspiration pump (6) is connected with check valve (5) by exhaust tube (19).
2. a kind of radiant tube that can balancing gas pressure according to claim 1, is characterized in that: the sidewall of described ram pot (8) has latasuture; One end that described connecting rod (13) is positioned at ram pot (8) is fixed with pointer (20) by latasuture; Described pointer (20) is connected with displacement sensor (21); Described displacement sensor (21) is installed on the outside of ram pot (8), and is connected with air intake pump (18).
3. a kind of radiant tube that can balancing gas pressure according to claim 1, is characterized in that: described heat storage (3) comprises wire (22) and ceramic particle (23); Described wire (22) is netted heating resisting metal silk, and is provided with layer 2-4; Described ceramic particle (23) is spherical, and is fixed on the grid node place of netted heating resisting metal silk.
4. a kind of radiant tube that can balancing gas pressure according to claim 1, is characterized in that: the pipe thickness of described radiant tube body (1) is 2-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399218.4U CN204005998U (en) | 2014-07-20 | 2014-07-20 | Radiant tube that can balancing gas pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399218.4U CN204005998U (en) | 2014-07-20 | 2014-07-20 | Radiant tube that can balancing gas pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204005998U true CN204005998U (en) | 2014-12-10 |
Family
ID=52045996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420399218.4U Expired - Fee Related CN204005998U (en) | 2014-07-20 | 2014-07-20 | Radiant tube that can balancing gas pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204005998U (en) |
-
2014
- 2014-07-20 CN CN201420399218.4U patent/CN204005998U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150720 |
|
| EXPY | Termination of patent right or utility model |