CN205155950U - High -efficient natural gas warming mill - Google Patents
High -efficient natural gas warming mill Download PDFInfo
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- CN205155950U CN205155950U CN201520984690.9U CN201520984690U CN205155950U CN 205155950 U CN205155950 U CN 205155950U CN 201520984690 U CN201520984690 U CN 201520984690U CN 205155950 U CN205155950 U CN 205155950U
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- heat transfer
- roll body
- natural gas
- roller wall
- transfer chamber
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Abstract
The utility model discloses a high -efficient natural gas warming mill, including the roll body, the end cover, the connecting axle, heat transfer chamber, heat transfer medium, combustor and exhaust duct, wherein the roll body includes the roller wall, this roller wall forms has the cylindric structure of cavity, a pair of end cover respectively with the both ends sealing connection of roll body, a pair of connecting axle respectively with end cover fixed connection, heat transfer chamber distributes along the circumferencial direction annular of roll body, the heat transfer direction is the same with the axial of roll body, heat transfer medium fills in heat transfer chamber, the packing has heat transfer medium's heat transfer chamber both ends sealed, the combustor is equipped with the bocca, the bocca passes through duct extension and to the cavity cavity of roll body in, feeds through to the roll body outsidely in the cavity cavity of exhaust duct by the roll body. The utility model discloses a natural gas warming mill, simple structure, life is longer, and roller body outer surface's the difference in temperature is less, compare with electric heating methods, the cost is lower, and heating efficiency is higher, compare with heat -conducting oil and electromagnetic heating, heating efficiency and heating temperature are higher.
Description
Technical field
The utility model relates to a kind of warm-up mill, is specifically related to a kind of efficient natural gas warm-up mill.
Background technology
Warm-up mill is widely used in the smooth press polish in each fields such as papermaking, printing and dyeing, non-woven fabrics, printing, paper, and at present, the common mode of heating of warm-up mill mainly contains electrical heating, electromagnetic induction heating and heat-conducting oil heating etc.
The wherein warm-up mill of Electric heating, usually roll body circumferencial direction distribution be provided with some electrothermal tubes, electrothermal tube in the conductive state, by heat by heat transfer to roll body outer surface.But the electric cost of this Electric heating is higher, and the restricted lifetime of electrothermal tube, cause the warm-up mill life-span of Electric heating shorter, after a long time use, need irregularly to change heating tube.Incomplete same due to life-span of some electrothermal tubes, even if just one of them electrothermal tube damages, in order to the stability of warm-up mill is better, needs whole electrothermal tube to change, cause maintenance cost higher.
About the warm-up mill of electromagnetic induction heating, high frequency alternating current is by producing alternating magnetic field after electromagnetic induction coil, the electromagnetic induction effect of alternating magnetic field makes roller wall produce induced-current, and then produces heat energy due to the impedance operator of roller wall, reaches the effect of warm-up mill wall.The defect of this kind of mode be the efficiency that heats and heating-up temperature lower.
In addition, the warm-up mill of heat-conducting oil heating mode, because conduction oil has pollution to environment, and the temperature of conduction oil can not be too high, the uniformity in diabatic process is poor, causes the temperature difference of heating roller surface larger, therefore, the warm-up mill of heat-conducting oil heating mode is just progressively eliminated.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of efficient natural gas warm-up mill, to solve the defect of other mode of heating warm-up mills in prior art.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is as follows: a kind of efficient natural gas warm-up mill, at least comprises:
Roll body, this roll body comprises roller wall, and this roller wall forms the cylinder-like structure with hollow cavity;
End cap, end cap described in a pair is tightly connected with the two ends of roll body respectively;
Connecting axle, described in a pair, connecting axle is fixedly connected with end cap respectively;
Heat transfer chamber, this heat transfer chamber is along the circumferencial direction annular spread of roll body, and heat transfer direction is identical with the axis of roll body;
Heat transfer medium, this heat transfer medium is filled in heat transfer chamber, is filled with the heat transfer chamber two ends sealing of heat transfer medium;
Burner, this burner is provided with bocca, and described bocca extends in the hollow cavity of roll body by pipeline;
Discharge duct, this discharge duct is communicated to roll body outside by the hollow cavity of roll body.
As preferably, the end face of described roller wall one end is provided with that some described counterbore is uniformly distributed along the circumferencial direction of roller wall along the axially extended counterbore of roll body, and described counterbore forms described heat transfer chamber.
As preferably, described heat transfer chamber comprises the along the circumferential direction uniform conduit be arranged at inside roller wall, and described conduit at least comprises the outer surface that part fit with roller wall inwall, and the part that described conduit and roller wall inwall are fitted is continuous along the axis of roll body.
As preferably, the inner side of described roller wall is along the circumferential direction laid with some U-tube, and the uncovered portion of described U-tube is connected with the inner seal of roller wall, and the cavity that described U-tube and roller wall are formed is described heat transfer chamber.
Further, the inner side of described U-tube and roller wall welds together.
As preferably, described roller wall comprises inner and outer wall, has cavity between described inner and outer wall, and this cavity forms described heat transfer chamber.
Further, described heat transfer medium is selected from least one in inorganic superconducting heat transfer medium, compound heat conducting fiber medium, graphite heat conducting medium or carbon fiber guiding thermal medium.
Further, the pipeline connecting burner and bocca is passed by the connecting axle inside of roll body one end.
Further, described exhaust passage is passed by the connecting axle inside away from burner one end.
Heated by natural gas roller of the present utility model, structure is simple, and service life is longer, and the temperature difference of roll body outer surface is less; Heated by natural gas mode is compared with Electric heating, and cost is lower, and the efficiency of heating surface is higher; Compare with Electromagnetic Heating with heat-conducting oil heating, the efficiency of heating surface and heating-up temperature higher.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the first embodiment of the present embodiment efficient natural gas warm-up mill;
Fig. 2 is the sectional view of A-A shown in Fig. 1;
Figure 3 shows that the structural representation of the present embodiment efficient natural gas warm-up mill the second embodiment;
Fig. 4 is the sectional view of B-B shown in Fig. 3;
Fig. 5 is the structural representation of the third embodiment of the present embodiment efficient natural gas warm-up mill;
Fig. 6 is the sectional view of C-C shown in Fig. 5;
Fig. 7 is the structural representation of the present embodiment efficient natural gas warm-up mill the 4th kind of embodiment;
Fig. 8 is the sectional view of D-D shown in Fig. 7.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; It can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, concrete condition can understand the concrete meaning of above-mentioned term in the utility model.
As shown in figures 1 to 6, a kind of efficient natural gas warm-up mill of embodiment, at least comprise a roll body 1, this roll body 1 comprises roller wall, and this roller wall forms the cylinder-like structure with hollow cavity.The two ends of the cylinder-like structure formed by roller wall are connected with end cap 2, and this end cap 2 is tightly connected with the two ends of cylinder-like structure.Above-mentioned end cap 2 is also fixedly connected with connecting axle 3, and drive system drives roll body 1 to rotate by this connecting axle 3.Also comprise the heat transfer chamber 4 of the circumferencial direction annular spread along roll body 1, in this heat transfer chamber 4, be filled with heat transfer medium, be filled with the heat transfer chamber 4 two ends sealing of heat transfer medium.
In this embodiment, heating arrangement is the burner 5 making fuel of natural gas, and this burner 5 is provided with bocca 7, and this bocca 7 is extended in the hollow cavity of roll body 1 by connecting axle 3 inside of pipeline 6 by roll body 1 one end.Discharge duct 8 is inner through the connecting axle 3 away from burner 5 one end, makes hollow cavity and the ft connection of roll body 1, for discharging the burnt gas in hollow cavity.
Wherein bocca 7 is at least one, and the quantity of bocca can adjust according to the diameter of roll body, if the diameter of roll body is comparatively large, suitably can increase the quantity of bocca.The flame of combustion of natural gas is sprayed onto in the hollow cavity of roll body by bocca, and inside the direct warm-up mill wall of heat of generation, heat energy conducts fast through the axial direction of heat transfer medium along roller wall.The advantage of heated by natural gas mode is that the efficiency of heating surface is high, and cost is low, and can reach higher temperature, makes the range of application of warm-up mill wider.
In this embodiment, heat transfer medium is selected from least one in inorganic superconducting heat transfer medium, compound heat conducting fiber medium, graphite heat conducting medium or carbon fiber guiding thermal medium.It should be noted that, above-mentioned each heat transfer medium is prior art, and not this Applicant's Abstract graph utility model point place, therefore, be not described in detail in this concrete constituent to each heat transfer medium.As preferably, when heat transfer medium adopts inorganic superconducting heat transfer medium, there is higher heat transfer efficiency, and on roller wall, the temperature difference is everywhere minimum.
Fig. 1, Figure 2 shows that the first embodiment of the present embodiment efficient natural gas warm-up mill, in this embodiment, the end face of roller wall one end is provided with some along the axially extended counterbore 41 of roll body, this counterbore 41 is uniformly distributed along the circumferencial direction of roller wall, and this counterbore 41 is the heat transfer chamber of present embodiment.
Fig. 3, Figure 4 shows that the second embodiment of the present embodiment efficient natural gas warm-up mill, in this embodiment, heat transfer chamber comprises the along the circumferential direction uniform conduit 42 be arranged at inside roller wall, this conduit 42 at least comprises the outer surface that part is fitted with roller wall inwall, and the part that described conduit and roller wall inwall are fitted is continuous along the axis of roll body 1.
Fig. 5, Figure 6 shows that the third embodiment of the present embodiment efficient natural gas warm-up mill, in this embodiment, the inner side of roller wall is along the circumferential direction laid with some U-tube 43, and the uncovered portion of described U-tube 43 is connected with the inner seal of roller wall, is preferably welding.The cavity that above-mentioned U-tube 43 and roller wall are formed is the heat transfer chamber of present embodiment.
Fig. 7, Figure 8 shows that the 4th kind of embodiment of embodiment efficient natural gas warm-up mill, in this embodiment, roller wall comprises inwall 11 and outer wall 12, has cavity between described inwall 11 and outer wall 12, and this cavity is the heat transfer chamber 4 of present embodiment.
Wherein the second embodiment and the third embodiment are relative to the advantage of the first embodiment, and roller wall is thinner, and heat transfer efficiency is higher.And in a first embodiment, the technique that roller wall is beaten counterbore is more complicated, and manufacturing cost is higher.And in the 4th kind of embodiment, heat transfer medium is more, heat transfer efficiency is higher, and due to the coverage rate of heat transfer medium wider, make the roll body outer surface temperature difference everywhere less.
In a word; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. an efficient natural gas warm-up mill, at least comprises:
Roll body, this roll body comprises roller wall, and this roller wall forms the cylinder-like structure with hollow cavity;
End cap, end cap described in a pair is tightly connected with the two ends of roll body respectively;
Connecting axle, described in a pair, connecting axle is fixedly connected with end cap respectively;
It is characterized in that, also comprise:
Heat transfer chamber, this heat transfer chamber is along the circumferencial direction annular spread of roll body, and heat transfer direction is identical with the axis of roll body;
Heat transfer medium, this heat transfer medium is filled in heat transfer chamber, is filled with the heat transfer chamber two ends sealing of heat transfer medium;
Burner, this burner is provided with bocca, and described bocca extends in the hollow cavity of roll body by pipeline;
Discharge duct, this discharge duct is communicated to roll body outside by the hollow cavity of roll body.
2. according to efficient natural gas warm-up mill according to claim 1, it is characterized in that, the end face of described roller wall one end is provided with that some described counterbore is uniformly distributed along the circumferencial direction of roller wall along the axially extended counterbore of roll body, and described counterbore forms described heat transfer chamber.
3. according to efficient natural gas warm-up mill according to claim 1, it is characterized in that, described heat transfer chamber comprises the along the circumferential direction uniform conduit be arranged at inside roller wall, described conduit at least comprises the outer surface that part is fitted with roller wall inwall, and the part that described conduit and roller wall inwall are fitted is continuous along the axis of roll body.
4. according to efficient natural gas warm-up mill according to claim 1, it is characterized in that, the inner side of described roller wall is along the circumferential direction laid with some U-tube, and the uncovered portion of described U-tube is connected with the inner seal of roller wall, and the cavity that described U-tube and roller wall are formed is described heat transfer chamber.
5., according to efficient natural gas warm-up mill according to claim 4, it is characterized in that, the inner side of described U-tube and roller wall welds together.
6. according to efficient natural gas warm-up mill according to claim 1, it is characterized in that, described roller wall comprises inner and outer wall, has cavity between described inner and outer wall, and this cavity forms described heat transfer chamber.
7. according to the efficient natural gas warm-up mill described in any one of claim 1-6, it is characterized in that, described heat transfer medium is selected from least one in inorganic superconducting heat transfer medium, compound heat conducting fiber medium, graphite heat conducting medium or carbon fiber guiding thermal medium.
8. according to the efficient natural gas warm-up mill described in any one of claim 1-6, it is characterized in that, the pipeline connecting burner and bocca is passed by the connecting axle inside of roll body one end.
9. according to efficient natural gas warm-up mill according to claim 8, it is characterized in that, described exhaust passage is passed by the connecting axle inside away from burner one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984690.9U CN205155950U (en) | 2015-12-02 | 2015-12-02 | High -efficient natural gas warming mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984690.9U CN205155950U (en) | 2015-12-02 | 2015-12-02 | High -efficient natural gas warming mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155950U true CN205155950U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520984690.9U Expired - Fee Related CN205155950U (en) | 2015-12-02 | 2015-12-02 | High -efficient natural gas warming mill |
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| CN (1) | CN205155950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841149A (en) * | 2015-12-02 | 2016-08-10 | 乐道战略材料有限公司 | Heating roller utilizing natural gas at high efficiency |
-
2015
- 2015-12-02 CN CN201520984690.9U patent/CN205155950U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841149A (en) * | 2015-12-02 | 2016-08-10 | 乐道战略材料有限公司 | Heating roller utilizing natural gas at high efficiency |
| CN105841149B (en) * | 2015-12-02 | 2018-06-08 | 乐道战略材料有限公司 | A kind of efficient natural gas heating roller |
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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: 20160413 Termination date: 20211202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |