CN202675289U - Gas intake pipe in linear heater, linear heater, heating system and paver - Google Patents
Gas intake pipe in linear heater, linear heater, heating system and paver Download PDFInfo
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- CN202675289U CN202675289U CN 201220302588 CN201220302588U CN202675289U CN 202675289 U CN202675289 U CN 202675289U CN 201220302588 CN201220302588 CN 201220302588 CN 201220302588 U CN201220302588 U CN 201220302588U CN 202675289 U CN202675289 U CN 202675289U
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- screed
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Abstract
The utility model discloses a gas intake pipe in a linear heater. The gas intake pipe comprises a fuel gas pipe for supplying fuel gas and a gas mixing pipe for mixing the fuel gas with air, wherein the gas mixing pipe is communicated with the fuel gas pipe, and the gas intake pipe is provided with an air inlet which is communicated with the gas mixing pipe and external atmosphere, wherein a throttling member which can be used for adjusting the flow of the fuel gas is arranged on the fuel gas pipe. The utility model also provides the linear heater using the gas intake pipe, a heating system using the linear heater and a paver using the heating system for heating a screed plate. Because the throttling member which can be used for adjusting the flow of the fuel gas is arranged on the fuel gas pipe in the gas intake pipe provided by the utility model, the fuel gas inflow can be adjusted, and therefore the matching relationship between the air inflow and the fuel gas inflow can be adjusted; and in addition, the linear heater using the gas intake pipe can be further suitable for different sizes of screed plate box bodies.
Description
Technical field
The utility model relates to line style heating field, particularly, relates to air inlet pipe in a kind of line style heater, uses the line style heater of this air inlet pipe, the paver that uses the heating system of this line style heater and use this heating system.
Background technology
At present, there is a kind of mode by the heating of line style heater in the heating field of screed in paver, wherein, as described in Figure 1, this line style heater generally includes the air inlet pipe 1 of feed combustion gas and the line style heating tube 2 that is communicated with this air inlet pipe 1, this line style heating tube 2 is provided with a plurality of boccas 3 for linear pattern designs along its length direction, and by the flame of these bocca 3 ejections screed is heated.Be the screed of paver when heating in reality, the normal use comprises that the heating system of a plurality of above-mentioned line style heaters carries out.Particularly, this successively adjacent setting of a plurality of line style heaters is to carry out homogeneous heating to screed.This line heating system has the advantages such as homogeneous heating, heat time heating time be short.
In existing line style heater, as shown in Figure 2, the gas mixing pipe 12 that its air inlet pipe 1 generally includes for the Gas Pipe 11 of feed combustion gas and is used for this combustion gas is mixed with air, the first end of this gas mixing pipe 12 is communicated with Gas Pipe 11, combustion gas is fed in the gas mixing pipe 12, in order to make things convenient for the final burning of combustion gas, in existing line style heater, all need at first this combustion gas and air to be mixed, therefore, usually in the upper end of gas mixing pipe 12 air inlet 13 is set, and the adjusting that realizes the air inlet amount by the entrance resistance of adjusting this air inlet 13 is so that air inlet amount and gas inlet amount are complementary, thereby the assurance combustion gas is in the combustion efficiency at bocca 3 places.Particularly, the end of Gas Pipe 11 is equipped with nozzle 16, and this nozzle 16 extend in the gas mixing pipe 12, and in nozzle 16 outsides around sleeve 17 arranged, sheathed gas mixing pipes of this sleeve 17 12 are outer and hide air inlet 13, and the trip bolt on it 22 is fastening.Air can enter in the air inlet 13 by the gap between sleeve 17 and the gas mixing pipe 12.
In the actual use procedure that above-mentioned line style heater heats screed, need to regulate air from the matching relationship of inlet and the gas inlet amount of air inlet 13, so that the two mates mutually, thus so that the air mixture sufficient combustion at bocca 3 places and guarantee final heating effect.
Therefore, based on said structure of the prior art, because non-adjustable from the gas inlet amount of nozzle 16, prior art adopts the mode of regulating the air inlet amount to carry out the adjusting of matching relationship between the two usually.Particularly, when needs are regulated the air inlet amount, need to unclamp trip bolt 22, and the position of up-down adjustment sleeve 17, to change air inlet 13 apart from the distance of sleeve 17 openends, namely regulate the inlet streams dynamic resistance that air enters air inlet 13 from sleeve 17 ends, behind the position that regulates sleeve 17, again by trip bolt 22 fixed muffle positions.Yet, in above-mentioned regulative mode, have following shortcoming:
1, owing to adopt the mode of manual up-down adjustment sleeve 17 positions, behind locking trip bolt 22, is difficult for determining the distance of sleeve 17 original positions and adjusting position, thereby is difficult for realizing the fine setting of air inlet amount;
2, because when each adjusting air intake flow resistance, all need be through multiple reversal polyphony joint, could be so that the effect of air inlet amount be best, therefore, in the each adjusting in this multiple reversal polyphony joint, all need to unclamp again trip bolt 22 fastening, namely in the adjustment process of primary air air inflow, need to repeatedly unclamp and fastening trip bolt more than 22 time, so complex operation, efficient is lower.
Therefore, provide a kind of convenient air inlet pipe of regulating matching relationship between air inlet amount and the gas inlet amount to have positive effect.
The utility model content
The purpose of this utility model provides the air inlet pipe in a kind of line style heater, and this air inlet pipe makes things convenient for the regulating gas air inflow, thereby regulates the matching relationship between air inlet amount and the gas inlet amount.
Another purpose of the present utility model provides a kind of line style heater, the air inlet pipe that this line style heater uses the utility model to provide.
Another purpose of the present utility model provides a kind of heating system, and this heating system uses the utility model that the line style heater is provided.
Also order of the present utility model provides a kind of paver, and the heating system that this paver uses the utility model to provide heats screed.
To achieve these goals, according to an aspect of the present utility model, air inlet pipe in a kind of line style heater is provided, the gas mixing pipe that this air inlet pipe comprises for the Gas Pipe of feed combustion gas and is used for described combustion gas is mixed with air, described gas mixing pipe is communicated with the institute Gas Pipe, and be provided with the air inlet that is communicated with described gas mixing pipe and ambient atmosphere on the described air inlet pipe, wherein, be provided with on the described Gas Pipe can adjustment of combustion gas flow throttling element.
Preferably, described air inlet pipe comprises the nozzle that is communicated with described Gas Pipe, and an end of this nozzle is connected to the end of described Gas Pipe, and the other end stretches in the described gas mixing pipe, and described throttling element is arranged on this nozzle.
Preferably, described nozzle comprises nozzle body and is formed on jet channel in this nozzle body, and described throttling element comprises restriction, this restriction radially pass described jet channel and with described nozzle body threaded engagement.
Preferably, the end of described throttling element is provided with radial dimension greater than the section of screwing of this throttling element.
Preferably, described nozzle removably is connected on the described Gas Pipe.
According on the other hand of the present utility model, a kind of line style heater is provided, this line style heater comprises air inlet pipe and line style heating tube, this line style heating tube is provided with a plurality of boccas along its length, it is characterized in that, air inlet pipe in the line style heater that described air inlet pipe provides for the utility model, wherein, the end away from described Gas Pipe of described gas mixing pipe is communicated with described line style heating tube.
According to again one side of the present utility model, a kind of heating system is provided, this heating system is used to the screed heating in the paver, this heating system comprises a plurality of line style heaters of successively adjacent setting, these a plurality of line style heaters are divided into a plurality of screed casings that are arranged in adjacent setting, wherein, this screed casing comprises at least one first screed casing, varying in size of the size of this first screed casing and adjacent screed casing, wherein, the line style heater that provides for the utility model of the described line style heater in this first screed casing.
Also on the one hand provide a kind of paver according to of the present utility model, the heating system that this paver comprises screed and heats for this screed is characterized in that described heating system provides heating system for the utility model.
Pass through technique scheme, since be provided with on the Gas Pipe in the air inlet pipe that provides of the utility model can adjustment of combustion gas flow throttling element, therefore can the regulating gas air inflow, thereby regulate the matching relationship between air inlet amount and the gas inlet amount, and can be further can be so that use the line style heater of this air inlet pipe to adapt to the screed casings of different sizes, thereby so that use the heating system of this phenomenon heater and paver practical.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the perspective view of the line style heater that provides of prior art;
Fig. 2 is the side-looking structural representation (band broken section) of the line style heater that provides of prior art;
Fig. 3 is the side-looking structural representation (band broken section) of the line style heater that provides of the utility model the first embodiment;
Fig. 4 is the side-looking structural representation (band broken section) of the line style heater that provides of the utility model the second embodiment;
Fig. 5 is the perspective view of the ring-shaped article that provides of the utility model the second embodiment;
Fig. 6 is the structural representation (band broken section) of the nozzle that provides of the utility model the 3rd embodiment;
Fig. 7 is the part-structure schematic diagram of the heating system that provides of the utility model.
Description of reference numerals
1 air inlet pipe, 2 line style heating tubes
3 boccas, 4 first air inlets
5 second air inlets, 6 ring-shaped articles
7 open slots, 8 snap rings
9 throttling elements
11 Gas Pipe, 12 gas mixing pipes
13 air inlets, 14 first screw threads
15 second screw threads, 16 nozzles
17 sleeves, 21 first line style heating tubes
22 trip bolts, 91 restriction
92 screw section
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, not do in the situation of opposite explanation, the noun of locality of use is normally undefined in the normal situation about using of line style heater that the utility model provides such as " upper and lower ", particularly can be referring to figs. 2 to page shown in Figure 4.
In the paver that the utility model provides, the heating system that adopts the line style heating tube to form is that screed heats.Wherein, extremely shown in Figure 7 such as Fig. 3, ground same as the prior art, the gas mixing pipe 12 that this air inlet pipe 1 that the utility model provides comprises for the Gas Pipe 11 of feed combustion gas and is used for combustion gas is mixed with air, one end of the close Gas Pipe 11 of this gas mixing pipe 12 is communicated with Gas Pipe 11, and the end away from Gas Pipe 11 of this gas mixing pipe 12 is communicated with line style heating tube 2, air mixture is fed in the line style heating tube 2, and light rear ejection by bocca 3, thereby screed is heated.And in order to realize that combustion gas and air are mixed, be provided with the air inlet 13 that is communicated with gas mixing pipe 12 on the air inlet pipe 1 that the utility model provides, air enters into gas mixing pipe 12 from this air inlet 13, thereby mixes with combustion gas from Gas Pipe 1.
Wherein preferably, for convenient Gas Pipe 11 and the gas mixing pipe 12 of connecting, the end of Gas Pipe 11 is provided with the nozzle 16 that is communicated with Gas Pipe 11, one end of this nozzle 16 removably is connected to the end of Gas Pipe 11, the other end stretches in the gas mixing pipe 12, so that the combustion gas in the Gas Pipe 11 is fed in the gas mixing pipe 12.
In order to realize the purpose of this utility model, the utility model provides three kinds of embodiments that the matching relationship between air inlet amount and the gas inlet amount is regulated, wherein the related regulative mode of front two kinds of embodiments is adjusting air inlet amount, and the related regulative mode of the third embodiment then is the mode that adopts the regulating gas air inflow.These three kinds of embodiments only are used for explanation the utility model, are not limited to the utility model.
As shown in Figure 3, in the first embodiment of the present utility model, the air inlet pipe 1 that the utility model provides comprises the inlet adjusting device 18 that can hide air inlet 13, this inlet adjusting device 18 is provided with the first screw thread 14, and be provided with the second screw thread 15 on the air inlet pipe 1, thereby so that inlet adjusting device 18 can be connected on the air inlet pipe 1 by the threaded engagement of this first screw thread 14 and the second screw thread 15.Wherein, because being connected with air inlet pipe, the inlet adjusting device 18 in the air inlet pipe 1 that the utility model provides adopt thread fiting mode to connect, therefore in order to realize being regulated by this inlet adjusting device 18 the entrance resistance of air inlet 13, only need to screw the entrance resistance that this inlet adjusting device 18 can be regulated the air inlet 13 that is positioned on the air inlet pipe 1 with respect to the air inlet pipe 1 that forms air inlet 13, namely this air inlet 13 is apart from the distance of inlet adjusting device 18 ends, therefore, can change the air inlet amount that enters from air inlet 13.
And in the mode of this threaded engagement, because the initial position of the pipe fitting before and after regulating as can be known, by manually screwing the mode of inlet adjusting device 18, conveniently regulate the entrance resistance of air inlet 13, and can realize the entrance resistance of air inlet 13 is finely tuned.Unlike the prior art be, in said process, do not need repeatedly fastening and operating process that unclamp the auxiliary members such as trip bolt, can finish the adjusting of primary air air inflow.
Need to prove that the inlet adjusting device that can realize above-mentioned purpose has multiple, the screw thread set-up mode of itself and air inlet pipe 1 especially, therefore the utility model for convenience of description is at this introduction optimal way wherein.In optimal way as shown in Figure 3, inlet adjusting device 18 comprises the sleeve 17 that is set in air inlet 13 outsides, is provided with the first screw thread 14 on the inwall of this sleeve 17.Namely there are single sleeve 17 and air inlet pipe 1 to carry out threaded engagement and finish adjusting to the entrance resistance of air inlet 13.For handled easily, as a kind of preferred embodiment, as shown in Figure 3, air inlet 13 is arranged on the end of close Gas Pipe of gas mixing pipe 12, and more preferably, directly pour in the gas mixing pipe 12 in order to prevent the air in the ambient atmosphere, hide air inlet 13 fully by sleeve 17, and in order to guarantee the connection of this air inlet 13 and ambient atmosphere, between sleeve 17 and gas mixing pipe 12, have the flow-guiding channel that is communicated with ambient atmosphere and air inlet 13.This flow-guiding channel can be various ways, wherein preferably, the second screw thread 15 that is formed on the first screw thread 14 on sleeve 17 inwalls and/or be formed on gas mixing pipe 12 outer walls can be set to the intermittent screw thread structure, this intermittent screw thread structure can be with reference to the intermittent screw thread structure on the tapping cutter of thread mill drilling, intermittent screw thread is different from continuous thread, it can either guarantee the good connection of ambient atmosphere and air inlet 13, can not destroy again the threaded engagement of the second screw thread 15 and the first screw thread 14, certainly in addition, also can the gap design of the threaded engagement between the first screw thread 14 and the second screw thread 15 is larger, with as flow-guiding channel, for this type of mode, like this can be so that air inlet 13 is communicated with ambient atmosphere and gas mixing pipe 12 gets final product, the utility model does not limit this.
Wherein, be gas mixing pipe 12 feed combustion gas by nozzle 16, and can realize adjusting to the entrance resistance that is formed on the air inlet 13 on the gas mixing pipe 12 by turnbarrel 17, regulate particularly this air inlet 13 apart from the distance of sleeve 17 openends, enter into the resistance of air inlet 13 to regulate air from this openend.Wherein, in order to make things convenient for the rotation of sleeve 17, and reduce impact on Gas Pipe 11,
Although adopted thread connecting mode, in order further to guarantee the connective stability of gas mixing pipe 12 and Gas Pipe 11, preferably, the outside of sleeve 17 also can be provided with trip bolt 22, and this trip bolt 22 cooperates with the sidewall thread of sleeve 17.Namely by using the instruments such as screwdriver to screw the head of this trip bolt 22, get final product so that the end of this trip bolt 22 compresses gas mixing pipe 12, thereby realize sleeve 17 stably is fixed on the gas mixing pipe 12.Although wherein be provided with prior art in similar trip bolt 22, but carry out the adjusting of air inlet 13 owing to adopt engage thread, therefore do not need in the match and regulate of primary air air inflow and gas inlet amount, repeatedly fastening and unclamp this trip bolt 22.Only need when needs are regulated, to unclamp, and regulating complete rear fastening getting final product.Therefore, the air inlet pipe that the utility model the first embodiment provides can realize the purpose of this utility model, conveniently carries out the adjusting of air inlet amount, thereby can conveniently regulate the matching relationship of air inlet amount and gas inlet amount.
In the first embodiment of the present utility model, the sleeve 17 single except above-mentioned use carries out the mode of threaded engagement with gas mixing pipe 12, and under design of the present utility model, inlet adjusting device 18 can also carry out threaded engagement with its mode and air inlet pipe 1.For example, this sleeve 17 can be fixed as one with nozzle 16, and it is connected to nozzle 16 on the Gas Pipe 11 by threaded engagement, guaranteeing in the situation that combustion gas is not revealed like this, can realize equally sleeve 17 with respect to the position of air inlet 13 by swivel nozzle 16, thereby regulate the entrance resistance of this air inlet 13.Wherein sleeve 17 can be set in these nozzle 16 outsides stretches in the gas mixing pipe 12 not affect this nozzle 16.For this type of mode of texturing, all should drop in the protection domain of the present utility model.
Except above-mentioned the first embodiment, as shown in Figure 4, in the air inlet pipe that the second embodiment that the utility model provides provides, identical with the first embodiment is, the gas mixing pipe 12 that this air inlet pipe 1 comprises for the Gas Pipe 11 of feed combustion gas and is used for combustion gas is mixed with air, gas mixing pipe 12 is communicated with institute Gas Pipe 11, be provided with the air inlet 13 that is communicated with ambient atmosphere and gas mixing pipe 12 on the air inlet pipe 1, different from the first embodiment is, in order to realize the purpose of this utility model, one end of the close Gas Pipe 11 of gas mixing pipe 12 rotatably is arranged with ring-shaped article 6, and air inlet 13 comprises the first air inlet 4 and second air inlet 5 that can be communicated with, the first air inlet 4 is arranged on the end of close Gas Pipe 11 of gas mixing pipe 12, the second air inlet 5 is arranged on the ring-shaped article 6, therefore, by rotating this ring-shaped article, can be so that the first air inlet 4 be different with the connected region of the second air inlet 5, namely can change the size of air inlet 13, thereby can realize the adjusting of air inlet amount, and identical with the first embodiment, can carry out the fine setting of air inlet amount equally, and do not need repeatedly to carry out fastening and step that unclamp the securing members such as trip bolt, practical.
Wherein, for equal adjustable air inflow under any circumstance, preferably, be arranged on the second air inlet 5 on the ring-shaped article 6 equals to be arranged on the first air inlet 4 on the gas mixing pipe 12 around the circumferential lengths of pivot corresponding circumferential lengths.Namely when the axial length of the two overlapped, the entrance resistance of air inlet 13 was minimum, and the air inlet amount is also corresponding maximum.When needs are regulated the air inlet amount, only need screw the connected region that ring-shaped article 6 can change this first air inlet 4 and the second air inlet 5, i.e. the size of air inlet 13, thus the entrance resistance of regulating air inlet 13 is to regulate the air inlet amount.To avoid two different air inlets of circumferential lengths that the problem that can not regulate the entrance resistance of air inlet 13 after the relatively rotation occurs.
As a kind of preferred embodiment, identical with the first embodiment is that same preferred air inlet 13 directly is not exposed in the ambient atmosphere, to prevent that air-flow is to the impact of gas mixing pipe 12.Therefore, as shown in Figure 4, can be fixed with sleeve 17 at an end of the close Gas Pipe 11 of gas mixing pipe 12, and be set in the outside of ring-shaped article 6 by this sleeve 17, and expose at least in part the second air inlet 5, wherein preferably, sleeve 17 hides the first air inlet 4 fully, that is, can realize being hidden fully because the first air inlet 4 and the second air inlet 5 are communicated with the purpose of the air inlet 13 that forms by sleeve 17.Because these sleeve 17 at least part of second air inlets 5 that expose also all cover the first air inlet 4, outside air can only enter in the first air inlet 4 by the gap between ring-shaped article 6 and the sleeve 17 and the second air inlet 5, and can not make air directly impact the first air inlet 4.That is, have the flow-guiding channel that is communicated with ambient atmosphere and air inlet 13 between sleeve 17 and gas mixing pipe 12, this flow-guiding channel is gap and the second air inlet 5 between ring-shaped article 6 and the sleeve 17.Thereby identical with the first embodiment, present embodiment can avoid outside rapid air-flow directly to pour gas mixing pipe 12 interior that cause and the uneven problem that affects combustion efficiency of combustion gas mixing by air inlet 13 equally.
Particularly, as shown in Figure 5, the second air inlet 5 is the open slot 7 on the sidewall that is formed on vertically ring-shaped article 6, and the opening of this open slot 7 is formed on the upper end of ring-shaped article 6.This open slot can for as shown in the figure square groove structure or other be such as structures such as waist type grooves.And preferably, the first air inlet 4 is the circular hole on the end of the close Gas Pipe 11 that is formed on gas mixing pipe 11, and the diameter of this circular hole equals the width of open slot 7.Namely this circular hole can just be contained in this open slot 7, only needs can realize by the cooperation of this open slot and circular hole by this ring-shaped article 6 of rotation the adjusting of the entrance resistance of air inlet 13.
In addition, for the axial location of spacing this ring-shaped article 6 at gas mixing pipe 12, preferably, be provided with snap ring 8 on the gas mixing pipe 12, the lower end of ring-shaped article 6 is spacing by this snap ring 8.This snap ring is common parts in this area, and except this mode, other locating parts that can expect for those skilled in the art all fall in the protection domain of the present utility model.
Identical with the first embodiment is, the arranged outside of this sleeve 17 has trip bolt 22, and this trip bolt 22 cooperates with the sidewall thread of sleeve 17.Different is, screws the head of this trip bolt 22 by using the instruments such as screwdriver, can be so that the end of this trip bolt 22 compress ring-shaped article 6, thus can prevent that this ring-shaped article 6 from shaking and air inlet 13 is impacted.In addition, for fixedly gas mixing pipe 12 and sleeve 17, the extended ring-shaped article 6 in the upper end of gas mixing pipe 12, this extension can use the auxiliary members such as trip bolt and sleeve 17 to be fixed equally.Therefore, although be provided with prior art in similar trip bolt 22, but owing to adopt rotatable ring-shaped article 6 to carry out the adjusting of air inlet 13, therefore do not need in the match and regulate of primary air air inflow and gas inlet amount, repeatedly fastening and unclamp this trip bolt 22.Only need when needs are regulated, to unclamp, and regulating complete rear fastening getting final product.Therefore, the air inlet pipe that the utility model the second embodiment provides can realize the purpose of this utility model, conveniently carries out the adjusting of air inlet amount, thereby can conveniently regulate the matching relationship of air inlet amount and gas inlet amount.
Above-mentioned first, second embodiment all is modes that the air inlet amount is regulated, and in the 3rd embodiment that the utility model provides, can regulate the gas inlet amount.In the prior art, the nozzle 16 that Gas Pipe 11 ends arrange and the gas flow of Gas Pipe 11 are all unadjustable, not only can not play the effect of matching relationship between regulating gas air inflow and the air inlet amount, and in heating system, can not satisfy the size of different screed casings.
Particularly, as shown in Figure 7, because each line style heater all is arranged in independent screed casing 10, owing to there is the screed casing 10 of different sizes, for example in the first screed casing 20, its length is less than other screed casings 10, its combustion chamber volume and waste gas outlet are equally less than other casings, thereby, the burning resistance that is positioned at line style heater wherein is larger, under identical gaseous-pressure, the air mixture exit velocity is slower, makes bocca 3 places of the line style heater in this first screed casing 20 be prone to tempering phenomenon.Therefore, need to according to the length of place screed casing, regulate the gas supply amount that is positioned at line style heating tube wherein.Therefore, the air inlet pipe that the utility model the 3rd embodiment provides not only can be regulated the matching relationship between air inlet amount and the gas inlet amount, and can be so that use the line style heater of this air inlet pipe to adapt to the screed casing of different sizes.Practical.
Particularly, in the present embodiment, take the structure of the first embodiment or the second embodiment as the basis, be provided with on the Gas Pipe 11 in the air inlet pipe that the utility model provides can adjustment of combustion gas flow throttling element 9.Therefore the adjusting that realizes the combustion gas inlet that enters gas mixing pipe 12 by this throttling element 9.In real work, compare the mode that throttling element 9 is set at the body of Gas Pipe 11, for this throttling element 9 conveniently is set, preferably, can be provided with this throttling element 9 at nozzle 16.This nozzle 16 is identical with nozzle 16 in the first embodiment and the second embodiment, and namely an end is connected on the Gas Pipe 11, and the other end stretches in the gas mixing pipe 12.Therefore, can realize change to the gas flow of this nozzle 16 by this throttling element 9, thereby realize above-mentioned purpose of the present utility model.
Wherein preferably, as shown in Figure 6, nozzle 16 comprises nozzle body 16a and is formed on jet channel 16b in this nozzle body 16a, and throttling element 9 comprises restriction 91, this restriction 91 radially pass jet channel 16b and with nozzle body 16a threaded engagement.Thereby the cooperation by restriction 91 and jet channel 16b can realize the adjusting to the gas flow of nozzle 16.For said structure, those skilled in the art can carry out various changes and replacement, all should drop in the protection domain of the present utility model as long as belong to design of the present utility model.
In addition preferably, the end of throttling element 9 is provided with radial dimension greater than the section of screwing 92 of this throttling element 9, thus convenient this throttling element 9 of regulating.
In addition, the nozzle 16 that the utility model provides can removably be connected on the Gas Pipe 1,, can realize the replacing of this nozzle 16 that is, for example can adopt the mode of threaded engagement to connect.Therefore, when the screed casing 10 of corresponding different size, can change the nozzle of different size, this can satisfy the purpose of this utility model equally, and promotes further the practicality of the air inlet pipe that the 3rd embodiment provides.
Therefore, as shown in Figure 7, in a kind of paver that the utility model provides in the heating system of screed, this heating system comprises a plurality of line style heaters of successively adjacent setting, these a plurality of line style heaters are divided into a plurality of screed casings 10 that are arranged in adjacent setting, wherein, this screed casing 10 comprises at least one first screed casing 20, varying in size of the size of this first screed casing 20 and adjacent screed casing 10, therefore in order to realize the purpose of this utility model, the line style heater that the line style heater in this first screed casing 10 provides for the utility model the 3rd embodiment.Therefore, can improve the practicality of the paver of this heating system and this heating system of use.
To sum up, the air inlet pipe that the utility model first, second and the 3rd embodiment provide all can conveniently be regulated the matching relationship between air inlet amount and the gas inlet amount, and the air inlet pipe that the 3rd embodiment provides can also solve the bocca tempering problem that different big or small screed casings bring, so air inlet, the line style heater that uses this air inlet and the heating system of using this line style heater and paver that the utility model provides all have higher practicality and promotional value.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. the air inlet pipe in the line style heater, the gas mixing pipe (12) that this air inlet pipe (1) comprises for the Gas Pipe (11) of feed combustion gas and is used for described combustion gas is mixed with air, described gas mixing pipe (12) is communicated with institute's Gas Pipe (11), and be provided with the air inlet (13) that is communicated with described gas mixing pipe (12) and ambient atmosphere on the described air inlet pipe (1), it is characterized in that, be provided with on the described Gas Pipe (11) can adjustment of combustion gas flow throttling element (9).
2. the air inlet pipe in the line style heater according to claim 1, it is characterized in that, described air inlet pipe comprises the nozzle (16) that is communicated with described Gas Pipe (11), one end of this nozzle (16) is connected to the end of described Gas Pipe (11), the other end stretches in the described gas mixing pipe (12), and described throttling element (9) is arranged on this nozzle (16).
3. the air inlet pipe in the line style heater according to claim 2, it is characterized in that, described nozzle (16) comprises nozzle body (16a) and is formed on the interior jet channel (16b) of this nozzle body (16a), described throttling element (9) comprises restriction (91), this restriction (91) radially pass described jet channel (16b) and with described nozzle body (16a) threaded engagement.
4. the air inlet pipe in the molded line heater according to claim 3 is characterized in that, the end of described throttling element (9) is provided with radial dimension greater than the section of screwing (92) of this throttling element (9).
5. the air inlet pipe in the line style heater according to claim 2 is characterized in that, described nozzle removably is connected on the described Gas Pipe (1).
6. line style heater, this line style heater comprises air inlet pipe (1) and line style heating tube (2), this line style heating tube (2) is provided with a plurality of boccas (3) along its length, it is characterized in that, described air inlet pipe (1) is the air inlet pipe (1) in the described line style heater of any one among the claim 1-5, wherein, the end away from described Gas Pipe (11) of described gas mixing pipe (12) is communicated with described line style heating tube (2).
7. heating system, this heating system is used to the screed heating in the paver, this heating system comprises a plurality of line style heaters of successively adjacent setting, these a plurality of line style heaters are divided into a plurality of screed casings (10) that are arranged in adjacent setting, wherein, this screed casing (10) comprises at least one first screed casing (20), varying in size of the size of this first screed casing (20) and adjacent screed casing (10), it is characterized in that the described line style heater in this first screed casing (10) is line style heater claimed in claim 6.
8. paver, this paver comprise screed and are the heating system of this screed heating, it is characterized in that described heating system is heating system claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302588 CN202675289U (en) | 2012-06-26 | 2012-06-26 | Gas intake pipe in linear heater, linear heater, heating system and paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302588 CN202675289U (en) | 2012-06-26 | 2012-06-26 | Gas intake pipe in linear heater, linear heater, heating system and paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675289U true CN202675289U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302588 Expired - Fee Related CN202675289U (en) | 2012-06-26 | 2012-06-26 | Gas intake pipe in linear heater, linear heater, heating system and paver |
Country Status (1)
| Country | Link |
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| CN (1) | CN202675289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276657A (en) * | 2013-06-14 | 2013-09-04 | 戴纳派克（中国）压实摊铺设备有限公司 | Screed plate and paving machine |
| CN103603259A (en) * | 2013-11-28 | 2014-02-26 | 湖南三一路面机械有限公司 | Paving machine and screed surface heater thereof |
-
2012
- 2012-06-26 CN CN 201220302588 patent/CN202675289U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276657A (en) * | 2013-06-14 | 2013-09-04 | 戴纳派克（中国）压实摊铺设备有限公司 | Screed plate and paving machine |
| CN103276657B (en) * | 2013-06-14 | 2016-03-09 | 戴纳派克（中国）压实摊铺设备有限公司 | Screed and paver |
| CN103603259A (en) * | 2013-11-28 | 2014-02-26 | 湖南三一路面机械有限公司 | Paving machine and screed surface heater thereof |
| CN103603259B (en) * | 2013-11-28 | 2016-02-10 | 湖南三一路面机械有限公司 | A kind of paver and screed face heater thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180626 |