CN210023180U - Asphalt station flue gas collection device and asphalt mixing plant - Google Patents
Asphalt station flue gas collection device and asphalt mixing plant Download PDFInfo
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- CN210023180U CN210023180U CN201920814788.8U CN201920814788U CN210023180U CN 210023180 U CN210023180 U CN 210023180U CN 201920814788 U CN201920814788 U CN 201920814788U CN 210023180 U CN210023180 U CN 210023180U
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Abstract
The utility model provides a bituminous station flue gas collection device and a bituminous mixing plant including above-mentioned bituminous station flue gas collection device, bituminous station flue gas collection device includes: the main air duct is used for connecting a suction device; the flue gas duct is communicated with the main air duct and surrounds the periphery of the lower part of the discharge opening of the asphalt mixing plant; one side of the flue gas duct close to the discharge opening forms a dust collection surface, and the dust collection surface is obliquely arranged from top to bottom towards the direction far away from the discharge opening; the dust collection surface is provided with a plurality of ventilation openings. The utility model discloses a set up asphalt plant flue gas collection device alone around the discharge opening of bituminous mixing plant, realized carrying out the flue gas alone to every discharge opening and collect, the flue gas wind channel encloses the week side of establishing in the discharge opening lower part, still is provided with a plurality of vents on the flue gas wind channel, has avoided dead angle and the vortex that the flue gas was collected the in-process and has existed, has promoted the efficiency that the flue gas was collected.
Description
Technical Field
The utility model relates to an asphalt mixture processing field particularly, relates to a bituminous mixing plant flue gas collection device and a bituminous mixing plant for bituminous mixing plant.
Background
The finished product storehouse of current asphalt station generally has two discharge openings and a waste material mouth, and discharge opening and waste material mouth can release a large amount of flue gas and dust when opening, not only can cause the pollution to the environment, still can bring huge threat to staff's healthy. The structure of a general flue gas collecting device is shown in figure 1, wherein flue gas collecting ports are arranged along two sides of an asphalt station, when a discharging port and a waste port are opened, dust suction fans 2 ' or valves 4 ' at two ends are opened to collect flue gas and dust, and the collected flue gas and dust enter a dust treatment device through an air duct 6 '. The flue gas collecting device has the problems of air quantity waste caused by uneven air quantity distribution, vortex generation and dead angle existence in the flue gas collecting process.
Therefore, there is a need for a smoke collection device that can solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model discloses a first aspect provides an asphalt plant flue gas collection device.
The second aspect of the utility model provides an asphalt mixing plant.
In view of this, the utility model discloses a first aspect provides an asphalt station flue gas collection device for asphalt mixing plant, asphalt station flue gas collection device includes: the main air duct is used for connecting a suction device; the flue gas duct is communicated with the main air duct and surrounds the periphery of the lower part of the discharge opening of the asphalt mixing plant; one side of the flue gas duct close to the discharge opening forms a dust collection surface, and the dust collection surface is obliquely arranged from top to bottom towards the direction far away from the discharge opening; the dust collection surface is provided with a plurality of ventilation openings.
The utility model provides a bituminous paving flue gas collection device, including total wind channel and flue gas wind channel, total wind channel is connected to suction device (for example dust absorption fan), and the flue gas wind channel is linked together with total wind channel, and suction device (for example dust absorption fan) is used for providing suction, and the flue gas wind channel acquires the suction of collecting the flue gas from total wind channel, and flue gas and dust are in the flue gas wind channel collection back, enter into dust treatment device via total wind channel, have reduced the pollution at production site, avoid flue gas and dust to cause the threat to staff's healthy. Through set up asphalt plant flue gas collection device alone around the discharge opening at asphalt plant, realized carrying out the flue gas collection alone to every discharge opening, avoided the in-process of collecting at the flue gas extravagant because of the amount of wind that the amount of wind distribution inequality caused, be provided with a plurality of vents on the flue gas wind channel simultaneously, avoided there being the dead angle in the flue gas collection process and produced the vortex (the dead angle is the position that the suction of asphalt plant flue gas collection device can't arrive promptly, the vortex can blow away the flue gas and lead to the pollution zone to enlarge and weaken the effect that asphalt plant flue gas collection device collected the flue gas), the efficiency of flue gas collection has been promoted. Above-mentioned discharge opening includes first discharge opening, second discharge opening and waste material mouth, and the quantity of every type of discharge opening can be a plurality of, and every discharge opening corresponds around and is provided with a flue gas wind channel. Be equipped with the dust absorption face on one side that the discharge opening is close to in flue gas wind channel, the dust absorption face sets up towards the direction slope of keeping away from the discharge opening, forms a conical surface, plays the effect of water conservancy diversion, helps the guide flue gas to flow to the vent on the dust absorption face, has promoted the efficiency that the flue gas was collected, and simultaneously, a plurality of vents set up on the dust absorption face, with dust absorption face slope setting, have increased the collection dirt area of dust absorption face, help promoting the dust collection ability in flue gas wind channel. Preferably, the flue gas wind channel is close to the lower part setting of discharge opening (encloses the week side of establishing in the discharge opening lower part), because the density of flue gas dust is great, spreads downwards after waving out from the discharge opening, sets up the lower part that the flue gas wind channel is close to the discharge opening and can realize better dust absorption effect.
Additionally, according to the utility model provides an asphalt plant flue gas collection device among the above-mentioned technical scheme can also have following additional technical characteristics:
in any of the above technical solutions, preferably, the flue gas duct is communicated with the main duct through a tuyere; the tuyere is provided with a valve for adjusting the opening degree of the tuyere.
In this technical scheme, the flue gas wind channel is linked together through the wind gap with total wind channel, and the flue gas that the flue gas wind channel extracted gets into total wind channel through the wind gap, is provided with the valve of adjusting the wind gap aperture on the wind gap, and the size of every valve can the independent control amount of wind and the switching of wind path to the realization is carried out solitary flue gas collection to each discharge opening. For example, when the waste material opening is opened and other discharge openings are closed, the valve in the air port of the flue gas air channel around the waste material opening is opened, the valve in the air port of the flue gas air channel around the waste material opening is closed, namely, the air volume provided by the main air channel is completely used for the air vent on the flue gas air channel around the waste material opening to extract flue gas, so that the suction force of the air vent on the flue gas air channel around the waste material opening is enhanced, the effect of independently extracting the flue gas from the waste material opening is realized, and the waste of the air volume is avoided. In addition, the opening degree of the valve can be properly adjusted according to the generated smoke (for example, when the amount of the smoke dust is small, the opening degree of the valve is small enough to collect all the smoke dust), and the waste of air volume can also be reduced.
In the above technical solution, preferably, the valve is a pneumatic valve and/or an electric valve.
In the technical scheme, the valve arranged at the air door is a pneumatic valve and/or an electric valve, so that the operation of workers is facilitated, and the automatic control and the remote control can be realized by matching with a smoke detection device. The valve can be a pneumatic butterfly valve, an electric angle valve and the like, and the type of the valve is determined according to actual use conditions.
In any of the above technical solutions, preferably, the main air duct includes a first air duct and a second air duct, and the first air duct and the second air duct are respectively disposed at two opposite sides of the flue gas duct; and air ports communicated with the first air channel and the second air channel are respectively arranged on two opposite sides of the smoke air channel.
In this technical scheme, total wind channel can include first wind channel and second wind channel, sets up respectively in the relative both sides in flue gas wind channel, and every flue gas wind channel is linked together with first wind channel and second wind channel respectively, through such structure, divide into two wind channels with total wind channel and set up respectively, makes things convenient for arranging of pipeline, can set up dust absorption fan respectively in first wind channel and second wind channel simultaneously, improves the amount of wind in the flue gas wind channel to promote the ability that the flue gas wind channel extracted the flue gas.
In any of the above technical solutions, preferably, a sum of opening areas of the plurality of ventilation openings is larger than a cross-sectional area of the flue gas duct.
In this technical scheme, the flue gas wind channel has the dust absorption face, and the dust absorption face setting is provided with a plurality of vents on the dust absorption face in the one side of flue gas pipeline's the discharge opening that is close to the flue gas wind channel effect, and the dust absorption face in every flue gas wind channel sets up towards the direction slope of keeping away from the discharge opening, forms a conical surface, plays the effect of water conservancy diversion, helps the vent of guide flue gas flow direction on the dust absorption face, has promoted the efficiency that the flue gas was collected. The sum of the opening areas of the plurality of ventilation openings is larger than the cross-sectional area of the flue gas air channel, so that the air quantity in the flue gas air channel is not wasted, the efficiency of collecting flue gas dust is improved, and the energy waste is reduced.
In any one of the above technical solutions, preferably, the asphalt plant flue gas collecting device further includes: a porous separator plate; the porous isolation plate is covered on the dust absorption surface.
In this technical scheme, in the use of pitch station flue gas collection device, be difficult to avoid debris to splash onto it, cause the jam of vent easily, reduce the efficiency that the flue gas in flue gas wind channel was collected, and because pitch station flue gas collection device encloses to establish around the discharge opening, be not convenient for clear up debris, consequently cover on the dust absorption face and establish porous division board, prevent that debris from dropping on the dust absorption face in flue gas wind channel. The porous isolation plate is detachably connected with the flue gas duct, so that the porous isolation plate can be conveniently and periodically detached to clean impurities on the porous isolation plate.
In any of the above technical solutions, preferably, the internal cross-sectional area of the flue gas duct along the horizontal direction is gradually reduced from top to bottom.
In the technical scheme, the internal sectional area of the flue gas air duct along the horizontal direction is gradually reduced from top to bottom, so that the flow guide effect is generated on the air flow, the problems of vortex generation and dead angle existence are avoided, and the flue gas collection efficiency is improved.
In any one of the above technical solutions, preferably, the asphalt plant flue gas collecting device further includes: a fixing member; the fixing piece is arranged on the flue gas duct and used for fixing the flue gas duct on the ground.
In this technical scheme, be provided with the mounting on the flue gas wind channel for fixed flue gas wind channel prevents that the flue gas wind channel from taking place to remove in the use in week side of discharge opening, guarantees the effect that asphalt plant flue gas collection device collected the flue gas. In addition, a lifting ring can be arranged on the flue gas duct and used for carrying and moving the flue gas duct.
In any of the above technical solutions, preferably, the flue gas duct is detachably connected to the main duct.
In the technical scheme, the flue gas air channel is detachably connected with the main air channel, so that the flue gas air channel can be detached when the flue gas air channel is damaged or inapplicable, the flue gas air channel is convenient to replace and maintain, and the maintenance cost and the maintenance difficulty are reduced.
The second aspect of the utility model provides an asphalt mixing plant, asphalt plant flue gas collection device who provides in at least one discharge opening and the above-mentioned arbitrary technical scheme.
The asphalt mixing plant that this technical scheme provided includes that above-mentioned any technical scheme asphalt station flue gas collection device, consequently have this asphalt station flue gas collection device's whole beneficial effect, no longer describe herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic structure of a prior art flue gas collection device;
fig. 2 shows a schematic structural view of a fume collecting device of an asphalt plant in an embodiment according to the present invention;
fig. 3 shows a schematic structural diagram of a fume collecting device of an asphalt plant in another embodiment according to the present invention.
Wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is:
2 ' dust collection fan, 4 ' valve, 6 ' air duct;
the correspondence between reference numerals and part names in fig. 2 and 3 is:
1 asphalt station smoke collecting device, 10 main air ducts, 102 first air duct, 104 second air duct, 12 smoke air ducts, 122 dust suction surface, 124 ventilation opening, 14 air opening and 142 valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The asphalt plant flue gas collection device according to some embodiments of the present invention is described below with reference to fig. 2 and 3.
In view of this, as shown in fig. 2 and fig. 3, in an embodiment of the first aspect of the present invention, an asphalt station flue gas collecting device 1 is provided for an asphalt mixing plant, where the asphalt station flue gas collecting device 1 includes: the main air duct 10 is used for connecting a suction device; the flue gas duct 12 is communicated with the main duct 10, and the flue gas duct 12 is arranged around the lower part of the discharge opening of the asphalt mixing plant; a dust collection surface 122 is formed on one side of the flue gas duct 12 close to the discharge opening, and the dust collection surface 122 is obliquely arranged from top to bottom towards the direction far away from the discharge opening; the cleaning surface 122 is provided with a plurality of vents 124.
The utility model provides a pair of asphalt station flue gas collection device 1, including total wind channel 10 and flue gas wind channel 12, total wind channel 10 is connected to suction device (for example dust absorption fan), flue gas wind channel 12 is linked together with total wind channel 10, suction device (for example dust absorption fan) are used for providing suction, flue gas wind channel 12 acquires the suction of collecting the flue gas from total wind channel 10, flue gas and dust are through flue gas wind channel 12 collection back, in entering into dust treatment device via total wind channel 10, the pollution of production site has been reduced, avoid flue gas and dust to cause the threat to staff's healthy. Through set up asphalt plant flue gas collection device 1 alone around the discharge opening at asphalt plant, realized carrying out the flue gas collection alone to every discharge opening, avoided the in-process of collecting at the flue gas extravagant because of the amount of wind that the amount of wind distribution inequality caused, be provided with a plurality of vents 124 on flue gas wind channel 12 simultaneously, there is the dead angle and produces the vortex in having avoided the flue gas collection process (the dead angle is the position that the suction of asphalt plant flue gas collection device 1 can't arrive promptly, the vortex can blow away the flue gas and lead to the pollution zone to enlarge and weaken the effect that asphalt plant flue gas collection device 1 collected the flue gas), the efficiency of flue gas collection has been promoted. The discharge openings comprise a first discharge opening, a second discharge opening and a waste opening (as shown in fig. 2), the number of each type of discharge opening can be multiple, and a flue gas duct 12 is correspondingly arranged around each discharge opening. Be equipped with dust absorption face 122 on one side that flue gas wind channel 12 is close to the discharge opening, dust absorption face 122 sets up towards the direction slope of keeping away from the discharge opening, forms a conical surface, plays the effect of water conservancy diversion, help the guide flue gas to flow to the vent 124 on the dust absorption face 122, the efficiency that the flue gas was collected has been promoted, and simultaneously, a plurality of vents 124 set up on dust absorption face 122, set up dust absorption face 122 slope, the collection dirt area of dust absorption face 122 has been increased, help promoting flue gas wind channel 12's dust collection ability. Preferably, the flue gas duct 12 is disposed near the lower portion of the discharge opening (surrounding the lower portion of the discharge opening), because the flue gas dust has a higher density and diffuses downward after flying out of the discharge opening, and a better dust collection effect can be achieved by disposing the flue gas duct 12 near the lower portion of the discharge opening. It should be noted that fig. 3 is a view showing the bottom surface of the flue gas duct 12 facing upward, and preferably, the bottom surface of the flue gas duct 12 faces downward, and may also face upward in the direction shown in the figure in practical use.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the flue gas duct 12 is communicated with the main duct 10 through the tuyere 14; the tuyere 14 is provided with a valve 142 for adjusting the opening degree of the tuyere 14.
In this embodiment, the flue gas duct 12 is communicated with the main duct 10 through the air opening 14, flue gas extracted by the flue gas duct 12 enters the main duct 10 through the air opening 14, the air opening 14 is provided with the valves 142, and each valve 142 can independently control the air volume and the opening and closing of the air path, so that independent flue gas collection can be performed on each discharge opening. For example, when the waste opening is opened and other discharge openings are closed, the valve 142 in the air opening 14 of the flue gas duct 12 surrounding the waste opening is opened, and the valve 142 in the air opening 14 of the flue gas duct 12 surrounding the other discharge openings is closed, that is, the air volume provided by the main duct 10 is all used for the air vent 124 on the flue gas duct 12 surrounding the waste opening to extract the flue gas, so that the suction force of the air vent 124 on the flue gas duct 12 surrounding the waste opening is enhanced, the effect of independently extracting the flue gas from the waste opening is realized, and the waste of the air volume is avoided. In addition, the opening degree of the valve 142 can be properly adjusted according to the amount of generated flue gas (for example, when the amount of flue gas dust is small, the opening degree of the valve 142 is small enough to collect all the flue gas dust), and the waste of air volume can also be reduced.
In one embodiment of the present invention, preferably, as shown in fig. 2, the valve 142 is a pneumatic valve and/or an electric valve.
In this embodiment, the valve 142 disposed at the tuyere 14 is a pneumatic valve and/or an electric valve, which is convenient for the operation of the worker, and can be matched with the smoke detection device to realize automatic control and remote control. The valve 142 may be a pneumatic butterfly valve, an electric angle valve, etc., and the type of the valve 142 is determined according to the actual use condition.
In an embodiment of the present invention, preferably, as shown in fig. 2 and 3, the main duct 10 includes a first duct 102 and a second duct 104, and the first duct 102 and the second duct 104 are respectively disposed at two opposite sides of the flue gas duct; the opposite sides of the flue gas duct 12 are respectively provided with air ports 14 communicated with the first duct 102 and the second duct 104.
In this embodiment, the main duct 10 may include a first duct 102 and a second duct 104, which are respectively disposed on two opposite sides of the flue gas duct 12, and each flue gas duct 12 is respectively communicated with the first duct 102 and the second duct 104, so as to divide the main duct 10 into two ducts, which facilitates the arrangement of the pipelines, and meanwhile, dust suction fans may be respectively disposed in the first duct 102 and the second duct 104 to increase the air volume in the flue gas duct 12, so as to improve the capability of the flue gas duct 12 to extract flue gas.
In one embodiment of the present invention, it is preferable that the sum of the opening areas of the plurality of ventilation openings 124 is larger than the cross-sectional area of the flue gas duct 12, as shown in fig. 3.
In this embodiment, the flue gas duct 12 has a dust-absorbing surface 122, the dust-absorbing surface 122 is disposed on one side of the flue gas duct 12 close to the discharge opening acted by the flue gas duct 12, a plurality of ventilation openings 124 are disposed on the dust-absorbing surface 122, the dust-absorbing surface 122 of each flue gas duct 12 is inclined towards the direction far away from the discharge opening to form a conical surface, which plays a role of guiding flow, and is helpful to guide the flue gas to flow to the ventilation openings 124 on the dust-absorbing surface 122, thereby improving the efficiency of collecting the flue gas. The sum of the opening areas of the plurality of ventilation openings 124 is larger than the cross section of the flue gas duct 12, so that the air quantity in the flue gas duct 12 is not wasted, the efficiency of collecting flue gas dust is improved, and the energy waste is reduced.
In an embodiment of the present invention, preferably, as shown in fig. 3, the asphalt station flue gas collecting device 1 further includes: a porous separator plate (not shown); the perforated barrier sheet is housed on the dust collection surface 122.
In this embodiment, in the using process of the asphalt station flue gas collecting device 1, it is difficult to avoid the impurities from splashing on the asphalt station flue gas collecting device 1, which easily causes the blockage of the air vent 124, and reduces the efficiency of flue gas collection of the flue gas duct 12, and because the asphalt station flue gas collecting device 1 is enclosed around the discharge opening, the impurities are not convenient to clean, so that the dust collection surface 122 is covered with the porous partition plate, and the impurities are prevented from falling on the dust collection surface 122 of the flue gas duct 12. The porous partition board is detachably connected with the flue gas duct 12, so that the porous partition board can be conveniently and periodically detached to clean impurities on the porous partition board.
In one embodiment of the present invention, preferably, as shown in fig. 3, the internal cross-sectional area of the flue gas duct 12 along the horizontal direction is gradually reduced from top to bottom.
In this embodiment, the internal cross-sectional area of the flue gas duct 12 along the horizontal direction gradually decreases from top to bottom, so as to guide the airflow, avoid the problems of vortex generation and dead angle existence, and improve the efficiency of flue gas collection.
In one embodiment of the present invention, it is preferable that, as shown in fig. 2, the flue gas duct 12 and/or the main duct 10 is provided with an expansion opening (not shown) for connecting a dust suction device.
In the embodiment, in the use process of the asphalt station flue gas collecting device 1, besides the flue gas around the discharge opening, sometimes the flue gas at positions of an overflow shed, a trolley layer and the like needs to be sucked away,
in some cases, workers are required to hold the dust collection device by hands to collect dust on some parts and corners, which requires that the asphalt station flue gas collection device 1 has more functions, so that expansion ports can be arranged on the flue gas duct 12 and/or the main duct 10 for externally connecting the dust collection device or other ducts to expand the functions of the asphalt station flue gas collection device 1. The expansion port is in a sealed state when not in use.
In an embodiment of the present invention, preferably, as shown in fig. 3, the asphalt station flue gas collecting device 1 further includes: a fixture (not shown); the fixing member is disposed on the flue gas duct 12, and is used for fixing the flue gas duct 12 on the ground.
In this embodiment, the fixing member is disposed on the flue gas duct 12, and is used to fix the flue gas duct 12 at the periphery of the discharge opening, so as to prevent the flue gas duct 12 from moving during use, and ensure the effect of collecting flue gas by the flue gas collecting device 1 of the asphalt station. In addition, a hanging ring can be arranged on the flue gas duct 12 for carrying and moving the flue gas duct 12.
In one embodiment of the present invention, the flue gas duct 12 is preferably detachably connected to the main duct 10.
In this embodiment, the flue gas duct 12 is detachably connected to the main duct 10, so that the flue gas duct 12 can be detached when the flue gas duct 12 is damaged or not applicable, thereby facilitating replacement and maintenance of the flue gas duct 12 and reducing maintenance cost and difficulty.
In an embodiment of the second aspect of the present invention, there is provided an asphalt mixing plant, comprising at least one discharge opening and the asphalt plant flue gas collecting device 1 provided in any one of the above embodiments.
The asphalt mixing plant provided by the embodiment comprises the asphalt plant flue gas collecting device 1 in any one of the above embodiments, so that the asphalt mixing plant flue gas collecting device 1 has all the beneficial effects, and details are not repeated herein.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in an embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An asphalt plant flue gas collection device (1) for an asphalt mixing plant, characterized by comprising:
a main air duct (10) for connecting a suction device;
the flue gas duct (12) is communicated with the main duct (10), and the flue gas duct (12) is arranged around the lower part of the discharge opening of the asphalt mixing plant;
a dust collection surface (122) is formed on one side, close to the discharge opening, of the smoke air duct (12), and the dust collection surface (122) is obliquely arranged from top to bottom in a direction far away from the discharge opening;
the dust collection surface (122) is provided with a plurality of ventilation openings (124).
2. The asphalt plant flue gas collection device (1) according to claim 1,
the smoke air channel (12) is communicated with the main air channel (10) through an air opening (14);
and a valve (142) for adjusting the opening degree of the tuyere (14) is arranged on the tuyere (14).
3. Pitch station flue gas collection device (1) according to claim 2,
the valve (142) is a pneumatic valve and/or an electric valve.
4. The asphalt plant flue gas collection device (1) according to claim 1,
the main air duct (10) comprises a first air duct (102) and a second air duct (104), and the first air duct (102) and the second air duct (104) are respectively arranged at two opposite sides of the flue gas air duct (12);
and air ports (14) communicated with the first air channel (102) and the second air channel (104) are respectively arranged on two opposite sides of the smoke air channel (12).
5. The asphalt plant flue gas collection device (1) according to any one of claims 1 to 4,
the sum of the opening areas of the plurality of ventilation openings (124) is larger than the cross-sectional area of the smoke duct (12).
6. The fume collection device (1) for asphalt plants according to claim 5, characterized in that it further comprises:
and the porous isolation plate is covered on the dust collection surface (122).
7. The asphalt plant flue gas collection device (1) according to any one of claims 1 to 4,
the internal sectional area of the flue gas duct (12) along the horizontal direction is gradually reduced from top to bottom.
8. The asphalt plant flue gas collection device (1) according to any of claims 1 to 4, further comprising:
the fixing piece is arranged on the smoke air duct (12) and used for fixing the smoke air duct (12) on the ground.
9. The asphalt plant flue gas collection device (1) according to any one of claims 1 to 4,
the flue gas duct (12) is detachably connected with the main duct (10).
10. Asphalt mixing plant comprising at least one discharge opening, characterized in that it further comprises an asphalt plant flue gas collection device (1) according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814788.8U CN210023180U (en) | 2019-05-31 | 2019-05-31 | Asphalt station flue gas collection device and asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920814788.8U CN210023180U (en) | 2019-05-31 | 2019-05-31 | Asphalt station flue gas collection device and asphalt mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210023180U true CN210023180U (en) | 2020-02-07 |
Family
ID=69345970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920814788.8U Active CN210023180U (en) | 2019-05-31 | 2019-05-31 | Asphalt station flue gas collection device and asphalt mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210023180U (en) |
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2019
- 2019-05-31 CN CN201920814788.8U patent/CN210023180U/en active Active
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