CN213021204U - Unpowered or micro-powered hot air sintering system - Google Patents
Unpowered or micro-powered hot air sintering system Download PDFInfo
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- CN213021204U CN213021204U CN201922211255.3U CN201922211255U CN213021204U CN 213021204 U CN213021204 U CN 213021204U CN 201922211255 U CN201922211255 U CN 201922211255U CN 213021204 U CN213021204 U CN 213021204U
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Abstract
The utility model relates to an unpowered or fine motion power hot air sintering system, include the ring cooler and the sintering machine through the direct intercommunication of dirt gas pipeline, install on the dirt gas pipeline and clear away the deposition device on line, dirt gas pipeline still connects in parallel has the jet fan that power is little than conventional fan. The utility model discloses a with the air supply mode that prior art is different completely, utilize ring cooler's residual pressure as the resource pressure, make hot-blast from ring cooler carry the sintering machine, have sparingly investment, power consumption is few, save and take up an area of and the simple advantage of pipe arrangement.
Description
Technical Field
The utility model relates to a hot exhaust-gas treatment field, concretely relates to unpowered or fine motion power hot air sintering system.
Background
The traditional sintering circular cooler adopts the working principle that a fan is used as power to blow air into an air box, the air in the air box passes through a sinter bed on a cooling trolley from bottom to top, the air exchanges heat with hot sinter, and the air absorbs the heat of the sinter to achieve the purpose of cooling the sinter. The air after temperature rise is discharged into the atmosphere through a chimney as waste gas. The method has the disadvantages that a large amount of waste heat is wasted, and the exhaust gas contains dust to pollute the environment.
In order to fully utilize waste heat and protect the environment, the waste heat utilization approach of the existing sintering circular cooler generally adopts a waste heat boiler to generate steam for power generation, and smoke circulation heat exchange is carried out between the circular cooler and the waste heat boiler. Meanwhile, in order to ensure the cooling effect of the sintered ore, partial cold air is required to be sucked according to the process requirement to recool the sintered ore, and in order to achieve zero emission of waste gas, the partial hot waste gas containing dust is sent into the sintering trolley to realize hot air sintering. Thus, not only the full utilization of heat energy is realized, but also the atmospheric pollution is avoided.
At present, the redundant high-temperature waste gas of the sintering circular cooler is sent to a sintering trolley to realize hot air sintering, and the existing method is to adopt a high-temperature fan connected in series on a dust and gas pipeline to pressurize and then send the high-temperature waste gas into a sintering trolley cover. For one station with the size of 500m2The power of a pressurizing fan of the sintering machine is about 800-1000 kW.
The prior art scheme has the following disadvantages: the pressurized fan is used for supplying air, so that the construction cost is increased, a large amount of electric energy is consumed, the occupied area is large, the diameter of a flue gas pipeline is large (the general diameter of the flue gas pipeline is 3-4 meters), the draught fan arranged on the ground and a sintering trolley (the general standard height of the flue gas pipeline is about 23 m) need to be connected, and the difficulty of pipeline arrangement is large.
Therefore, there is a need for a non-powered or micro-powered hot air sintering system with small floor space, low cost, and easy piping arrangement for processing the hot waste gas containing dust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a provide a small, with low costs, the convenient unpowered or little power hot air sintering system of pipeline laying for handle aforementioned hot waste gas that contains the dust.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the unpowered or micropower hot air sintering system comprises a ring type cooling machine and a sintering machine which are directly communicated through a dust and gas pipeline, wherein an online dust removing device is arranged on the dust and gas pipeline.
The utility model has the advantages that: the utility model discloses a with the air supply mode that prior art is different completely, utilize the residual pressure of ring cooler as the pressure of making good use, make hot-blast from the ring cooler carry the sintering machine, application pipeline resistance calculation method finds the reasonable pipe diameter under this pressure of making good use. And because contain certain dust in the hot waste gas, adopt the utility model discloses a velocity of flow in the unpowered or fine motion hot air sintering system dirt gas pipeline is lower, has the dust to pile up in the long-time back pipeline of using, installs the automation that on-line clears away the deposition device can realize cleaing away the deposition additional, need not artifical deashing, can realize online deashing, and then eliminate dirt gas pipeline flow state and use an overhaul period as the cycle, be periodic variation's defect.
Compared with the prior art, the invention has the following advantages.
(1) The construction cost is low. The scheme is that the residual pressure of the annular air cooler is utilized to convey gas, a large-scale conveying fan does not need to be added, and the investment of fan equipment is saved.
(2) The invention consumes no or very little power. Because this scheme need not additionally to add and carries the fan, so do not have power consumption.
(3) The invention occupies less land. The scheme does not need to arrange a large fan on the ground, so that the occupied area is less.
(4) The invention has convenient pipeline arrangement. This scheme is owing to need not to set up large-scale fan, so the pipe arrangement is comparatively convenient.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the dust and air pipeline is connected in parallel with a fan with lower power than a conventional fan, and the fan is a jet fan.
The beneficial effect of adopting the further scheme is that: in order to compensate for calculation errors and other possible disadvantages, a low-power fan is added to the dust-air duct. Through computer simulation verification, a jet flow boosting fan is additionally arranged and is not usedCompared with a fan with low power, the gas conveying capacity can be improved by 8-10%. The parallel low-power fans are additionally arranged, and the power is low. With one station of 500m2For example, the power of a fan in the existing scheme is 800-1000 kW, and the power of the fan adopted in the scheme is only 30 kW; by one 300m2For example, a sintering machine is adopted, the fan power of the existing scheme is 450-600 kW, and the fan power adopted in the scheme is 20 kW; the scheme can also be applied to sintering machines of other models. Compared with the existing series connection booster fan, the power of the booster fan can be reduced to below 10% of that of the booster fan in the existing scheme.
Furthermore, the fan is a jet fan with variable frequency and adjustable speed.
The beneficial effect of adopting the further scheme is that: the fan can be started and stopped according to the condition, and is designed into a variable-frequency speed regulation fan, so that the flexibility of system operation is enhanced.
Furthermore, the online dust removing device comprises a blowing valve group and a blowing pipe, wherein the blowing valve group is positioned above the dust and air pipeline, an air inlet of the blowing valve group is communicated with compressed air through an air supply pipe, an air outlet of the blowing valve group is connected with an air guide pipe, and the air guide pipe extends downwards into the dust and air pipeline; the blowing pipe is arranged in the dust and air pipeline along the length direction of the dust and air pipeline, one end of the blowing pipe is connected with one end of the air guide pipe, which is positioned in the dust and air pipeline, the blowing pipe is communicated with a plurality of nozzles, the nozzles are all arranged in a downward inclined manner, and a preset angle is formed between the nozzles and the flowing direction of the gas in the dust and air pipeline.
The beneficial effect of adopting the further scheme is that: the online dust-deposition removing device is provided with the blowing valve group and the blowing pipe, compressed air can enter the blowing pipe through pulse airflow and then is sprayed out by the nozzles to blow dust deposited in the dust and gas pipeline, and the blown dust flows by means of the flow velocity of smoke in the dust and gas pipeline until entering the sintering machine.
Further, the purge valve block includes: the air storage bag is provided with the air inlet and the air outlet and is communicated with the compressed air through the air supply pipe; the pulse valve is fixedly connected with the gas storage bag, the gas inlet end of the pulse valve is communicated with the interior of the gas storage bag, and the gas outlet end of the pulse valve is connected with the gas outlet.
The beneficial effect of adopting the further scheme is that: through the jetting valves that gas storage package and pulse valve constitute, set up in the top of dirt gas pipeline, the gas storage package passes through air supply pipe and compressed air intercommunication, becomes pulse air current through the pulse valve with compressed air and enters into in the jetting pipe, and then clears away the deposition in the dirt gas pipeline.
Furthermore, the number of the pulse valves is two, the two pulse valves are arranged in parallel along the length direction of the gas storage bag, the number of the gas guide pipes is two, the two gas guide pipes are respectively arranged and connected with the pulse valves in a one-to-one correspondence mode, and one end, located in the dust and gas pipeline, of each gas guide pipe is connected with one blowing pipe.
The beneficial effect of adopting the further scheme is that: adopt two pulse valves to set up side by side, two air ducts and two jetting pipes of corresponding setting, and two jetting pipes extend towards opposite direction in dirt gas pipeline, all are provided with the jetting pipe along the length direction of dirt gas pipeline like this, can better clear away the deposition in the dirt gas pipeline on line.
Further, the side fixedly connected with breathing pipe of gas storage package, the one end of breathing pipe is for cooling stifled induction port, the other end with the gas outlet is connected, be provided with the governing valve that is used for adjusting the air input on the breathing pipe.
The beneficial effect of adopting the further scheme is that: the side surface of the air storage bag is provided with an air suction pipe, one end of the air suction pipe is communicated with the air guide pipe and the injection pipe through an air outlet, the other end of the air suction pipe is communicated with the atmosphere, and the air suction pipe sucks outside air by means of negative pressure in a dust and air pipeline and blows from each nozzle, so that the nozzles can be effectively prevented from being blocked by smoke dust; the regulating valve is arranged, and the air inflow of the cooling anti-blocking air suction port can be regulated.
Furthermore, the nozzles are arranged at equal intervals along the length direction of the blowing pipe, and the distance between every two adjacent nozzles is 0.5-1.5 m.
The beneficial effect of adopting the further scheme is that: the nozzles are arranged at equal intervals, so that when accumulated dust is removed, the pulse airflow is sprayed uniformly, and the online dust removing effect is better.
Further, the preset angle is 30-75 degrees.
The beneficial effect of adopting the further scheme is that: all set up a plurality of nozzles for the angle of predetermineeing with the contained angle between the flue gas flow direction in the dirt gas pipeline, can make the deposition that is blown up by pulse airflow flow along with the flow of flue gas like this, and then enter into the dust remover to reach the better effect of cleaing away the deposition on line.
Further, the blowing pipe is fixedly arranged at the bottom in the dust and air pipeline through a steel plate, and the steel plate is perpendicular to the blowing pipe and is fixedly connected with the upper end of the blowing pipe.
The beneficial effect of adopting the further scheme is that: the blowing pipe is fixed by the steel plate, so that the stability of the blowing pipe is enhanced, and the working condition of online dust removal of the dust and air pipeline is met; meanwhile, the blowing pipe is arranged at the bottom of the dust and air pipeline, the dust is closer to the bottom, and the effect of clearing the dust is better.
Drawings
FIG. 1 is a schematic structural diagram of an unpowered or micro-powered hot air sintering system according to the present invention;
FIG. 2 is an overall structure diagram of the on-line dust removing device of the present invention;
fig. 3 is a schematic view of the connection between the blowing pipe and the nozzle according to the present invention;
fig. 4 is a schematic view of the fixing structure of the blowing pipe in the dust and gas pipeline according to the present invention;
fig. 5 is a front view of the pulse blowing valve set of the present invention;
fig. 6 is a side view of the pulse blowing valve set of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a dust and air pipeline, 11, a steel plate, 2, a blowing valve set, 21, an air supply pipe, 22, an air storage bag, 23, a pulse valve, 24, an air suction pipe, 241, a cooling anti-blocking air suction port, 242, a regulating valve, 243, a check valve, 25, a pressure gauge, 26, a base, 27, an air outlet, 3, a blowing pipe, 31, a nozzle, 4, an air guide pipe, 5, a fan, 6, a ring type cooler, 61, a smoke hood, 7, a sintering machine, 8 and a blow-off valve.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the utility model relates to an unpowered or micro-power hot air sintering system, which comprises a ring cooler 6 and a sintering machine 7 which are directly communicated through a dust gas pipeline 1, wherein an online dust removing device is arranged on the dust gas pipeline 1.
Further, the dust and air pipeline 1 is connected in parallel with a fan 5 with power smaller than that of a conventional fan, and the fan 5 is a jet fan.
Further, the fan 5 is a jet fan with variable frequency and adjustable speed.
Specifically, as shown in fig. 1, the hood 61 of the ring cooler 6 has an air outlet, and hot exhaust gas containing dust discharged from the air outlet is introduced into the hot air hood of the sintering machine 7 through the dust air duct 1. Further, the ring type cooling machine 6 is provided with a plurality of air outlets, each air outlet is connected to the dust and air pipeline 1 through a branch pipeline, and a bleeding valve 8 is further connected to each branch pipeline.
Further, as shown in fig. 2, the online dust removing device comprises a blowing valve group 2 and a blowing pipe 3. The blowing valve group 2 is positioned above the dust and air pipeline 1, an air inlet of the blowing valve group 2 is communicated with compressed air through an air supply pipe 21, an air outlet of the blowing valve group 2 is connected with an air guide pipe 4, and the air guide pipe 4 extends downwards into the dust and air pipeline 1; the blowing pipe 3 is arranged in the dust and gas pipeline 1 along the length direction of the dust and gas pipeline 1, one end of the blowing pipe 3 is connected with one end of the gas guide pipe 4 in the dust and gas pipeline 1, the blowing pipe 3 is communicated with a plurality of nozzles 31, the plurality of nozzles 31 are all arranged in a downward inclined mode, and a preset angle is formed between the nozzles 31 and the flowing direction of gas in the dust and gas pipeline 1.
The utility model discloses the device of clearing away deposition on line adopts the device that current patent recorded, and patent number is 2018200433054, the patent name is a device to the dust gas pipeline clearing away deposition on line, through setting up jetting valves 2 and jetting pipe 3, can enter into jetting pipe 3 with compressed air through the pulse air current, spout by a plurality of nozzles 31 again, blow up the dust of deposit in dust gas pipeline 1, the dust that is blown up flows with the help of the velocity of flow of flue gas in dust pipeline 1, until entering sintering machine 7, collects the dust; the automatic dust removing machine can realize the automation of removing accumulated dust, does not need manual dust removal, can realize online dust removal, and further overcomes the defect that the flow state of a dust and gas pipeline is periodically changed by taking a maintenance period as a period.
Specifically, as shown in fig. 2, 5-6, the blowing valve set 2 includes an air storage bag 22 and a pulse valve 23, the air storage bag 22 is located above the dust and air pipe 1, and the air storage bag 22 is communicated with the compressed air through the air supply pipe 21; the pulse valve 23 is fixedly connected with the gas storage bag 22, the gas inlet end of the pulse valve 23 is communicated with the interior of the gas storage bag 22, and the gas outlet end of the pulse valve is connected with the gas outlet 27. Through the jetting valves 2 that gas storage bag 22 and pulse valve 23 constitute, set up in the top of dirt gas pipeline 1, gas storage bag 22 passes through air supply pipe 21 and compressed air intercommunication, becomes pulse air current with compressed air through pulse valve 23 and enters into jetting pipe 3 in, and then clears away the deposition in the dirt gas pipeline 1. In practical application, an overhaul platform is usually arranged above the dust and gas pipeline 1, and the lower part of the gas storage bag 22 of the device is fixedly arranged on the overhaul platform through the base 26, so that the device is high in stability.
The utility model discloses an among some embodiments, the number of pulse valve 23 is two, two pulse valve 23 is followed the length direction of gas storage package 22 sets up side by side, air duct 4 with the setting of pulse valve 23 one-to-one, every air duct 4 is located one end in the dirt gas pipeline 1 all is connected with one spray tube 3. Adopt two pulse valves 23 to set up side by side, two air ducts 4 and two jetting pipes 3 of corresponding setting, and two jetting pipes 3 extend towards opposite direction in dirt gas pipeline 1, all are provided with jetting pipe 3 along the length direction of dirt gas pipeline 1 like this, can better clear away the deposition in the dirt gas pipeline 1 on line.
The pulse valve 23 supplies the compressed air fed from the air supply pipe to the blowing pipe 3 in the form of pulses. The pulse valve 23 is controlled by a control system, and the frequency and the working time of the pulse valve 23 are controlled according to a preset program, so that the dust and gas pipeline 1 is cleaned on line.
As shown in fig. 5 to 6, an air suction pipe 24 is fixedly connected to a side surface of the air storage bag 22, one end of the air suction pipe 24 is a cooling anti-blocking air inlet 241, and the other end is connected to the air outlet 27, an adjusting valve 242 for adjusting an air intake amount is provided on the air suction pipe 24, a check valve 243 is further provided between the adjusting valve 242 and the cooling anti-blocking air inlet 241, and the check valve 243 is provided to prevent a pulse air flow from leaking from the cooling anti-blocking air inlet 241 when the pulse valve 23 is blown. An air suction pipe 24 is arranged on the side surface of the air storage bag 22, one end of the air suction pipe is communicated with the air guide pipe 4 and the injection pipe 3 through an air outlet 27, the other end of the air suction pipe is communicated with the atmosphere, and external air is sucked by means of negative pressure in the dust and air pipeline 1 and is injected from each nozzle 31, so that the nozzles 31 can be effectively prevented from being blocked by smoke dust; the adjusting valve 242 is provided to adjust the amount of air taken into the cooling anti-clogging air inlet 241. Since the nozzle 31 is exposed in the dust and air duct 1, when the online dust removing device stops working, the nozzle 31 may possibly be blocked by dust flowing back, which affects the efficiency of the whole device in removing dust. Therefore, the air suction pipe 24 is arranged to absorb air from the outside atmosphere, so that dust is prevented from flowing backwards, and the occurrence of nozzle blockage is avoided.
As shown in fig. 4, the blowing pipe 3 is fixedly installed at the bottom of the dust and air duct 1 by a steel plate 11, and the steel plate 11 is installed perpendicular to the blowing pipe 3 and is fixedly connected to the upper end of the blowing pipe 3. The blowing pipe 3 is fixed through the steel plate 11, so that the stability of the blowing pipe 3 is enhanced, and the working condition of online dust removal of the dust gas pipeline 1 is met; meanwhile, the blowing pipe 3 is arranged at the bottom of the dust and air pipeline 1, the dust is closer to the bottom, and the effect of clearing the dust is better. Both ends of the steel plate 11 are welded on the inner wall of the dust and gas pipeline 1, the injection pipe 3 is fixed with the steel plate 11, and the two can be fixedly connected through welding, buckling connection or bolt and nut.
As shown in fig. 2 and 3, the plurality of nozzles 31 are provided at equal intervals in the longitudinal direction of the blowing pipe 3. The nozzles 31 are arranged at equal intervals, so that when accumulated dust is removed, the pulse airflow is sprayed uniformly, and the online dust removing effect is better. In some embodiments of the present invention, the distance between two adjacent nozzles 31 is 0.5-1.5 m. Preferably, the distance between two adjacent nozzles 31 is 1.0 m.
As shown in fig. 2 and 3, a plurality of nozzles 31 form a predetermined angle a with the flow direction of the gas in the dust and gas pipe 1. All set up a plurality of nozzles 31 for the contained angle between the flue gas flow direction with in the dust and gas pipeline 1 for predetermineeing the angle, can make the deposition that is blown up by pulse airflow flow and flow along with the flow of flue gas like this, and then enter into the dust remover to reach the better effect of reappearing to clear away the deposition. In practical application, the preset angle is 30-75 degrees. Preferably, the preset angle is 60 °.
It should be noted that, as shown in fig. 2 and 5-6, the air duct 4 and the blowing pipe 3 in the present invention are blowing pipes made of the same material and are connected by a bent pipe or integrally formed.
The utility model discloses a theory of operation is: the hot waste gas that contains the dust that the annular cooler 6 produced lets in sintering machine 7 through dirt gas pipeline 1 and realizes hot-blast sintering, the utility model discloses utilize annular cooler 6's residual pressure air supply to can connect in parallel and set up the fan 5 of a miniwatt. The geometric dimensions of the dust and gas pipe 1 can be determined by using the pressure by using a pipe resistance calculation method, which can be realized by adopting the prior art. When the scheme is adopted, the wind speed in the dust and gas pipeline 1 is low, the dust needs to be cleaned periodically after the use time is long, in addition, an online dust removing device (patent number: 2018200433054, patent name: a device for online dust removing of the dust and gas pipeline) is arranged in the dust and gas pipeline 1, compressed air is introduced into the gas storage bag 22, pulse airflow is formed through the pulse valve 23 and is sprayed into the spraying and blowing pipe 3, then the pulse airflow is sprayed out through the nozzle 31, the dust deposited at the bottom of the pipe is blown, and the blown dust flows forwards by means of the flow velocity of the flue gas until the dust enters the sintering machine 7.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The unpowered or micro-powered hot air sintering system is characterized by comprising an annular cooling machine (6) and a sintering machine (7) which are directly communicated through a dust and gas pipeline (1), wherein an online dust removing device is installed on the dust and gas pipeline (1).
2. The unpowered or micropower hot air sintering system according to claim 1, wherein the dust and air pipeline (1) is connected in parallel with a fan (5) with lower power than a conventional fan, and the fan (5) is a jet fan.
3. The unpowered or micropower hot air sintering system according to claim 2, wherein the fan (5) is a variable frequency speed-modulated jet fan.
4. The unpowered or micro-powered hot air sintering system according to any one of claims 1 to 3, wherein the online dust removing device comprises a blowing valve set (2) and a blowing pipe (3), the blowing valve set (2) is located above the dust and air pipeline (1), an air inlet of the blowing valve set (2) is communicated with compressed air through an air supply pipe (21), an air outlet (27) of the blowing valve set (2) is connected with an air guide pipe (4), and the air guide pipe (4) extends downwards into the dust and air pipeline (1); the dust and gas pipeline structure is characterized in that the injection pipe (3) is arranged in the dust and gas pipeline (1) along the length direction of the dust and gas pipeline (1), one end of the injection pipe (3) is connected with one end, located in the dust and gas pipeline (1), of the gas guide pipe (4), the injection pipe (3) is communicated with a plurality of nozzles (31), the nozzles (31) are all arranged in a downward inclined mode, and a preset angle is formed between the nozzles and the flowing direction of gas in the dust and gas pipeline (1).
5. The unpowered or micropower hot air sintering system according to claim 4, wherein the blowing valve bank (2) comprises:
the air storage bag (22), the air inlet and the air outlet (27) are arranged on the air storage bag (22);
the pulse valve (23), pulse valve (23) with gas storage package (22) fixed connection, the inlet end of pulse valve (23) with inside intercommunication of gas storage package (22), its end of giving vent to anger with gas outlet (27) are connected.
6. The unpowered or micro-powered hot air sintering system according to claim 5, wherein two pulse valves (23) are provided, the two pulse valves (23) are arranged in parallel along the length direction of the air storage bag (22), two air guide pipes (4) are provided, the two air guide pipes are respectively arranged and connected with the pulse valves (23) in a one-to-one correspondence manner, and one end of each air guide pipe (4) located in the dust and air pipeline (1) is connected with one blowing pipe (3).
7. The unpowered or micropower hot air sintering system as claimed in claim 5, wherein an air suction pipe (24) is fixedly connected to the side of the air storage bag (22), one end of the air suction pipe (24) is a cooling anti-blocking air suction port (241), the other end of the air suction pipe is connected with the air outlet (27), and an adjusting valve (242) for adjusting the air inflow is arranged on the air suction pipe (24).
8. The unpowered or micropower hot air sintering system according to claim 4, wherein a plurality of the nozzles (31) are arranged at equal intervals along the length direction of the blowing pipe (3), and the distance between two adjacent nozzles (31) is 0.5-1.5 m.
9. The unpowered or micropower hot air sintering system of claim 4 wherein the predetermined angle is 30-75 °.
10. The unpowered or micro-powered hot air sintering system according to claim 4, wherein the blowing pipe (3) is fixedly arranged at the bottom inside the dust and air pipeline (1) through a steel plate (11), and the steel plate (11) is perpendicular to the blowing pipe (3) and is fixedly connected with the upper end of the blowing pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211255.3U CN213021204U (en) | 2019-12-11 | 2019-12-11 | Unpowered or micro-powered hot air sintering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211255.3U CN213021204U (en) | 2019-12-11 | 2019-12-11 | Unpowered or micro-powered hot air sintering system |
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| CN213021204U true CN213021204U (en) | 2021-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521899A (en) * | 2021-07-29 | 2021-10-22 | 福建龙净环保股份有限公司 | Ash removal method of bag type dust collector |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113521899A (en) * | 2021-07-29 | 2021-10-22 | 福建龙净环保股份有限公司 | Ash removal method of bag type dust collector |
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