CN103612914A - Conveying device and cooling system for high-temperature powdered semi-coke - Google Patents
Conveying device and cooling system for high-temperature powdered semi-coke Download PDFInfo
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- CN103612914A CN103612914A CN201310626014.XA CN201310626014A CN103612914A CN 103612914 A CN103612914 A CN 103612914A CN 201310626014 A CN201310626014 A CN 201310626014A CN 103612914 A CN103612914 A CN 103612914A
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Abstract
The invention provides a conveying device for high-temperature powdered semi-coke. The conveying device for high-temperature powdered semi-coke comprises a delivery bin tank, an discharging pipeline, a feeding pipeline, a first air supply pipeline, a second air supply pipeline and an air storage tank, wherein a feeding port is formed in the top of the delivery bin pump, and a discharging port is formed in the bottom of the delivery bin pump; the discharging pipeline is connected with the feeding port; the feeding pipeline is connected with the discharging port; the first air supply pipeline is communicated with the top of the delivery bin pump; the second air supply pipeline is communicated with the bottom of the delivery bin pump; the air storage tank supplies air to the first air supply pipeline and the second air supply pipeline. According to the conveying device for high-temperature powdered semi-coke, the high-temperature powdered semi-coke is conveyed through the high-temperature-resistant and abrasion-resistant pipelines in a pneumatic conveying mode, and thus the high-temperature powdered semi-coke can be conveyed. The invention further provides a cooling system for high-temperature powdered semi-coke.
Description
Technical field
The present invention relates to high temperature powder semicoke conveying technology field, more particularly, relate to a kind of feedway and cooling system of high temperature powder semicoke.
Background technology
Coal becomes flammable solid after low temperature carbonization, is semicoke or coke.Semicoke or coke that retorting technique is produced mainly contain block semicoke and powder semicoke according to technique difference.According to the difference of final temperature, destructive distillation has dividing of low temperature carbonization (500-600 ℃), medium temperature carbonization (750-800 ℃) and high temperature carbonization (1000-1100 ℃), and the semicoke that destructive distillation obtains also has dividing of low temperature semicoke, middle temperature semicoke and high temperature semicoke.
At present, the conveying major equipment of semicoke has belt conveyer, bucket elevator and screw conveyer.Wherein, the transmission distance of belt conveyer is longer, and the transmission distance of screw conveyer is shorter.
But above-mentioned three kinds of conventional load transfer devices, are difficult for carrying high temperature powder semicoke.For belt conveyer, if carry high temperature powder semicoke, need transport tape high temperature resistant, at present, also there is no to bear the transport tape of high temperature powder semicoke; For bucket elevator and screw conveyer, equipment all can not bear high temperature.
In sum, how realizing the conveying to high temperature powder semicoke, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The feedway that the object of this invention is to provide a kind of high temperature powder semicoke, to realize the conveying to high temperature powder semicoke.Another object of the present invention is to provide a kind of cooling system of high temperature powder semicoke.
To achieve these goals, the invention provides following technical scheme:
A feedway for high temperature powder semicoke, comprising:
Top is provided with inlet point, and bottom is provided with the sending warehouse pump of discharging opening;
The blanking pipe being connected with described inlet point;
The material loading pipeline being connected with described discharging opening;
The first air supply duct being communicated with the top of described sending warehouse pump;
The second air supply duct being communicated with the bottom of described sending warehouse pump;
Storage tank to described the first air supply duct and described the second air supply duct air feed.
Preferably, in the feedway of above-mentioned high temperature powder semicoke, described material loading pipeline and described blanking pipe are carbon steel piping; Described material loading pipeline, described blanking pipe and described sending warehouse pump are provided with insulating and wearing-resistant lining.
Preferably, the feedway of above-mentioned high temperature powder semicoke, also comprises the pressure pipeline being connected with described material loading pipeline, and described pressure pipeline is communicated with described storage tank.
Preferably, in the feedway of above-mentioned high temperature powder semicoke, one end that described pressure pipeline is connected with described discharging opening near described material loading pipeline with the junction of described material loading pipeline.
Preferably, in the feedway of above-mentioned high temperature powder semicoke, the inlet point of described sending warehouse pump is provided with seal valve, on described blanking pipe, is provided with valve for sealing material.
Preferably, in the feedway of above-mentioned high temperature powder semicoke, on described the first air supply duct and described the second air supply duct, be provided with air inlet valve; On described material loading pipeline, be provided with blow-off valve.
Preferably, in the feedway of above-mentioned high temperature powder semicoke, the top of described sending warehouse pump is provided with exhausr port and the gas exhaust duct being connected with described exhausr port, wherein, on described gas exhaust duct, is provided with blow off valve.
Preferably, the feedway of above-mentioned high temperature powder semicoke, also comprises: be arranged at the blanking surge bunker on described blanking pipe; To the 3rd air supply duct of blowing in described blanking pipe; Wherein said the 3rd air supply duct is positioned at the upstream of described blanking surge bunker.
Feedway based on the above-mentioned high temperature powder semicoke providing, the present invention also provides a kind of cooling system of high temperature powder semicoke, and the cooling system of this high temperature powder semicoke comprises: retort and the heat collector being connected with described retort;
The feedway being connected with described heat collector with described retort respectively, described feedway is the feedway of the high temperature powder semicoke described in above-mentioned any one; Wherein, described blanking pipe is connected with the coke outlet of described retort, and described material loading pipeline is connected with the Jiao Kou that enters of described heat collector.
Preferably, the cooling system of high temperature powder semicoke, also comprises: the cold slag machine being communicated with described retort and described blanking pipe respectively.
The course of conveying of the feedway of high temperature powder semicoke provided by the invention is: the high temperature powder semicoke of producing from retort enters sending warehouse pump through blanking pipe, carry gas through the first air supply duct and the second air supply duct, to enter sending warehouse pump respectively, the high temperature powder semicoke that is positioned at sending warehouse pump is admitted to material loading pipeline under the effect of fluidizing gas aerated flow, conveying gas, thereby be delivered to subsequent processing, realized the conveying of high temperature powder semicoke.
In the feedway of high temperature powder semicoke provided by the invention, because heat resistant and wear resistant pipeline more easily obtains, blanking pipe and material loading pipeline can bear the temperature of high temperature powder semicoke and wear-resisting, and carry high temperature powder semicoke by pneumatic conveying mode, thereby realized the conveying to high temperature powder semicoke.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The first structural representation of the feedway of the high temperature powder semicoke that Fig. 1 provides for the embodiment of the present invention.
In upper Fig. 1:
Storage tank 1, air inlet valve 2, gas exhaust duct 3, service valve 4, expansion joint 5, valve for sealing material 6, seal valve 7, the first air supply duct 8, the second air-supply pipeline 9, blanking pipe 10, sending warehouse pump 11, blow-off valve 12, material loading pipeline 13, dust exhaustor 14, buffering hopper 15, material loading surge bunker 16, materials equipment 17.
In upper Fig. 1, arrow represents the flow direction of pipeline pumped (conveying) medium, and pumped (conveying) medium is high temperature powder semicoke or carries gas.
The specific embodiment
The embodiment of the present invention provides a kind of feedway of high temperature powder semicoke, by heat resistant and wear resistant pipeline and pneumatic conveying mode, carries high temperature powder semicoke, has realized the conveying to high temperature powder semicoke.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The feedway of the high temperature powder semicoke that the embodiment of the present invention provides, comprising: top is provided with inlet point, and bottom is provided with the sending warehouse pump 11 of discharging opening; The blanking pipe 10 being connected with inlet point; The material loading pipeline 13 being connected with discharging opening; The first air supply duct 8 being communicated with the top of sending warehouse pump 11; The second air supply duct 9 being communicated with the bottom of sending warehouse pump 11; Storage tank 1 to the first air supply duct 8 and the second air supply duct 9 air feed.
The course of conveying of the feedway of the high temperature powder semicoke that above-described embodiment provides is: the high temperature powder semicoke of producing from retort enters sending warehouse pump 11 through blanking pipe 10, carry gas through the first air supply duct 8 and the second air supply duct 9, to enter sending warehouse pump 11 respectively from storage tank 1, the high temperature powder semicoke that is positioned at sending warehouse pump 11 is admitted to material loading pipeline 13 under the effect of fluidizing gas aerated flow, conveying gas, thereby be delivered to subsequent processing, realized the conveying of high temperature powder semicoke.
The feedway of the high temperature powder semicoke that the embodiment of the present invention provides, because heat resistant and wear resistant pipeline more easily obtains, blanking pipe 10 and material loading pipeline 13 can bear the temperature of high temperature powder semicoke and wear-resisting, and carry high temperature powder semicoke by pneumatic conveying mode, thereby realized the conveying to high temperature powder semicoke.
Meanwhile, the feedway of the high temperature powder semicoke that the embodiment of the present invention provides, adopts pipeline and pneumatic conveying mode to carry high temperature powder semicoke, has realized the remote conveying of high temperature powder semicoke.
In the feedway of the high temperature powder semicoke that above-described embodiment provides, along the short transverse of sending warehouse pump 11, sending warehouse pump 11 is divided into top, middle part and bottom.Wherein, preferentially select, inlet point is positioned at the top at sending warehouse pump 11 tops, and discharging opening is positioned at the bottom of sending warehouse pump 11 bottoms, and the first air supply duct 8 is positioned on the sidewall at sending warehouse pump 11 tops, and the second air supply duct 9 is positioned on the sidewall of bottom of sending warehouse pump 11.The second air supply duct 9 that is positioned at 8 pairs of sending warehouse pumps of the first air supply duct 11 pressurization at sending warehouse pump 11 tops and is positioned at sending warehouse pump 11 bottoms provides conveying wind, realized and carried gas from top and the bottom of sending warehouse pump 11, to enter sending warehouse pump 11 respectively, effectively avoided high temperature powder semicoke in the interior obstruction of sending warehouse pump 11, guaranteed that the smooth and easy of high temperature powder semicoke flows.
In the feedway of the high temperature powder semicoke that above-described embodiment provides, material loading pipeline 13 and blanking pipe 10 be for delivery of high temperature powder semicoke, so material loading pipeline 13 and blanking pipe 10 are all heat resistant and wear resistant pipelines.High-temperature resistant pipeline adopts stainless steel pipes conventionally, but stainless steel pipes cost is higher and not wear-resisting.In order to reduce the cost of whole feedway, preferentially select material loading pipeline 13 and blanking pipe 10 to be carbon steel piping; And material loading pipeline 13 and blanking pipe 10 are provided with insulating and wearing-resistant lining, and sending warehouse pump 11 is provided with insulating and wearing-resistant lining.Like this, effectively reduce the use cost of the feedway of whole high temperature powder semicoke.
In order further to optimize technique scheme, the feedway of the high temperature powder semicoke that above-described embodiment provides, also comprises the pressure pipeline being connected with material loading pipeline 13, and pressure pipeline is communicated with storage tank 1.Like this, the upwards interior pressurization of pipe material 13, upwards pipe material 13 is interior for carrying gas, to avoid high temperature powder semicoke in the interior obstruction of material loading pipeline 13, has guaranteed the conveying of high temperature powder semicoke.Preferably, one end that pressure pipeline is connected with discharging opening near material loading pipeline 13 with the junction of material loading pipeline 13.Like this, can further strengthen flowing of high temperature powder semicoke.For the ease of regulating supercharging pressure, on pressure pipeline, be provided with pressure charging valve, this pressure charging valve also can be a valve, also can be valve group, and the embodiment of the present invention is not construed as limiting the concrete structure of pressure charging valve.
High temperature powder semicoke in sending warehouse pump 11 too much causes conveying to block, and in the feedway of the high temperature powder semicoke that above-described embodiment provides, is provided with valve for sealing material 6 on blanking pipe 10.When high temperature powder semicoke in sending warehouse pump 11 is too much, close valve for sealing material 6, stop blanking; When high temperature powder semicoke in sending warehouse pump 11 is very few, open valve for sealing material 6, start blanking.Certainly, also the aperture of adjustable valve for sealing material 6 regulates the feed rate of sending warehouse pump 11.Meanwhile, for fear of carrying the spontaneous inlet point of storehouse pump 11 that send of gas to flow out, the inlet point of sending warehouse pump 11 is provided with seal valve 7, to avoid carrying gas to flow out from inlet point.By seal valve 7, realize sending warehouse pump when the normal pressure, the high temperature powder semicoke being got off by retort enters storehouse pump, completes the conveying of high temperature powder semicoke under pressure state, thereby avoids under pressure state, and gas is scurried into retort.Preferably, seal valve 7 is rotary seal valve, and valve for sealing material 6 is pneumatic valve for sealing material.
Preferably, in the feedway of the high temperature powder semicoke that above-described embodiment provides, on the first air supply duct 8 and the second air supply duct 9, be provided with air inlet valve 2; On material loading pipeline 13, be provided with blow-off valve 12.Like this, can regulate the flow of carrying gas according to the flow condition of high temperature powder semicoke, thereby guarantee that the smooth and easy of high temperature powder semicoke flows, and also avoided carrying the waste of gas.Wherein, air inlet valve 2 can be separately positioned on the first air supply duct 8 and the second air supply duct 9, also can be arranged on total air supply duct, and this total air supply duct is divided into two branch roads, and two branch roads are respectively the first air supply duct 8 and the second air supply duct 9.Air inlet valve 2 can be valve group, also can be a valve; Blow-off valve 12 is pneumatic blow-off valve, and the embodiment of the present invention does not limit particularly to the concrete structure of air inlet valve 2 and blow-off valve 12.
When sending warehouse pump 11 needs charging, need to carry out release to sending warehouse pump 11.For the ease of release, preferentially to select, the top of sending warehouse pump 11 is provided with exhausr port and the gas exhaust duct 3 being connected with exhausr port, wherein, on gas exhaust duct 3, is provided with blow off valve.Preferably, blow off valve is pneumatic blow off valve.
Because blanking pipe 10 is carried high temperature powder semicoke, in order effectively to guarantee the service life of blanking pipe 10, in the feedway of the high temperature powder semicoke that above-described embodiment provides, on blanking pipe 10, be provided with expansion joint 5, can effectively strengthen the flexible of blanking pipe 10 like this, meet blanking pipe 10 distortion of expanding with heat and contract with cold along its length.In order to guarantee the leak tightness of sending warehouse pump 11, be convenient to the maintenance of whole feedway simultaneously, on blanking pipe 10, be provided with the service valve 4 for overhauling, this service valve 4 is manual service valve, this service valve 4 has sealing function simultaneously.
For fear of high temperature powder semicoke, in sending warehouse pump 11 and the interior obstruction of blanking pipe 10, meet and carry requirement simultaneously, the device of the high temperature powder semicoke that above-described embodiment provides also comprises: be arranged at the blanking surge bunker on blanking pipe 10; The 3rd air supply duct to blanking pipe 10 interior air-supplies; Wherein the 3rd air supply duct is positioned at the upstream of blanking surge bunker.Like this, can make high temperature powder semicoke cushion in blanking surge bunker, simultaneously for high temperature powder semicoke is carried at blanking surge bunker, by the 3rd air supply duct, to blanking pipe 10, carry gas, to meet conveying requirement, and the 3rd air supply duct is positioned at the upstream of blanking surge bunker, like this, conveying gas body can, by blanking surge bunker, avoid high temperature powder semicoke to stop up.Wherein, upstream refers to along the upstream of the flow direction of high temperature powder semicoke.In order to prevent that high temperature powder semicoke from, in blanking surge bunker, the interior deposition of sending warehouse pump 11, sending into fluidized wind from device bottom, prevent that diffuser from stopping up simultaneously, require every certain distance, to establish loosening wind on pipeline.
In the device of the high temperature powder semicoke that above-described embodiment provides, when being provided with blanking surge bunker, preferentially select service valve 4, expansion joint 5, valve for sealing material 6 between blanking surge bunker and sending warehouse pump 11.
High temperature powder semicoke for the ease of the material loading pipeline 13 of flowing through enters subsequent processing, the feedway of the high temperature powder semicoke that above-described embodiment provides, also comprise: the buffering hopper 15 being communicated with material loading pipeline 13, the dust exhaustor 14 being communicated with the top of buffering hopper 15, the material loading surge bunker 16 being communicated with the bottom of buffering hopper 15.Wherein, material loading surge bunker 16 is communicated with materials equipment 17, and material loading surge bunker 16 for example, for being communicated with (materials equipment 17 is heat collector) with subsequent processing.Conveying gas in material loading pipeline 13 enters buffering hopper 15 and discharges through dust exhaustor 14 udst separations, through cushioning the conveying gas of hopper 15 udst separations, can emptyingly also can return to storage tank 1, realizes recycle.Certainly, also only adopt buffering hopper 15 or material loading surge bunker 16, only adopt material loading surge bunker 16, this material loading surge bunker is connected with dust exhaustor 14, material loading pipeline 13 and materials equipment 17 respectively.
The feedway of the high temperature powder semicoke providing based on above-described embodiment, the embodiment of the present invention also provides a kind of cooling system of high temperature powder semicoke, the cooling system of this high temperature powder semicoke comprises: retort, the heat collector being connected with retort, the feedway being connected with heat collector with retort respectively, this feedway is the feedway of the high temperature powder semicoke described in above-described embodiment; Wherein, blanking pipe 10 is connected with the coke outlet of retort, and material loading pipeline 13 is connected with the Jiao Kou that enters of heat collector.
The feedway of the high temperature powder semicoke providing due to above-described embodiment has above-mentioned technique effect, the cooling system of the high temperature powder semicoke that the embodiment of the present invention provides has the feedway of above-mentioned high temperature powder semicoke, the cooling system of the high temperature powder semicoke that embodiment of the present invention provides also has corresponding technique effect, repeats no more herein.
Preferably, the cooling system of the high temperature powder semicoke that above-described embodiment provides, also comprises: the cold slag machine being communicated with retort and blanking pipe 10 respectively.Like this, by cold slag machine, first high temperature powder semicoke is carried out coolingly, the temperature of high temperature powder semicoke is declined, thereby reduced the resistant to elevated temperatures requirement of blanking pipe 10 and material loading pipeline 13, be conducive to reduce the cost of the feedway of whole high temperature powder semicoke.Wherein, arrange after cold slag machine, preferentially select service valve 4, expansion joint 5, valve for sealing material 6 between cold slag machine and sending warehouse pump 11.
In the cooling system of the high temperature powder semicoke that above-described embodiment provides, heat collector can be cold slag machine, cools back converter, or the heat collector of other types, and the embodiment of the present invention does not limit particularly to the structure of heat collector.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a feedway for high temperature powder semicoke, is characterized in that, comprising:
Top is provided with inlet point, and bottom is provided with the sending warehouse pump (11) of discharging opening;
The blanking pipe (10) being connected with described inlet point;
The material loading pipeline (13) being connected with described discharging opening;
The first air supply duct (8) being communicated with the top of described sending warehouse pump (11);
The second air supply duct (9) being communicated with the bottom of described sending warehouse pump (11);
Storage tank (1) to described the first air supply duct (8) and described the second air supply duct (9) air feed.
2. the feedway of high temperature powder semicoke as claimed in claim 1, is characterized in that, described material loading pipeline (13) and described blanking pipe (10) are carbon steel piping; Described material loading pipeline (13), described blanking pipe (10) and described sending warehouse pump (11) are provided with insulating and wearing-resistant lining.
3. the feedway of high temperature powder semicoke as claimed in claim 1, is characterized in that, also comprises the pressure pipeline being connected with described material loading pipeline (13), and described pressure pipeline is communicated with described storage tank (1).
4. the feedway of high temperature powder semicoke as claimed in claim 3, is characterized in that, one end that described pressure pipeline is connected with described discharging opening near described material loading pipeline (13) with the junction of described material loading pipeline (13).
5. the feedway of high temperature powder semicoke as claimed in claim 1, is characterized in that, the inlet point of described sending warehouse pump (11) is provided with seal valve (7), is provided with valve for sealing material (6) on described blanking pipe (10).
6. the feedway of high temperature powder semicoke as claimed in claim 1, is characterized in that, on described the first air supply duct (8) and described the second air supply duct (9), is provided with air inlet valve (2); On described material loading pipeline (13), be provided with blow-off valve (12).
7. the feedway of high temperature powder semicoke as claimed in claim 1, it is characterized in that, the top of described sending warehouse pump (11) is provided with exhausr port and the gas exhaust duct (3) being connected with described exhausr port, and wherein, described gas exhaust duct is provided with blow off valve on (3).
8. the feedway of the high temperature powder semicoke as described in any one in claim 1-7, is characterized in that, also comprises: be arranged at the blanking surge bunker on described blanking pipe (10); The 3rd air supply duct to the interior air-supply of described blanking pipe (10); Wherein said the 3rd air supply duct is positioned at the upstream of described blanking surge bunker.
9. a cooling system for high temperature powder semicoke, comprising: retort and the heat collector being connected with described retort; It is characterized in that, also comprise:
The feedway being connected with described heat collector with described retort respectively, described feedway is the feedway of the high temperature powder semicoke as described in any one in claim 1-8; Wherein, described blanking pipe (10) is connected with the coke outlet of described retort, and described material loading pipeline (13) is connected with the Jiao Kou that enters of described heat collector.
10. the cooling system of high temperature powder semicoke as claimed in claim 9, is characterized in that, also comprises: the cold slag machine being communicated with described retort and described blanking pipe (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310626014.XA CN103612914B (en) | 2013-11-28 | 2013-11-28 | The conveyer device of High temperature powder semi-coke and cooling system |
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| CN201310626014.XA CN103612914B (en) | 2013-11-28 | 2013-11-28 | The conveyer device of High temperature powder semi-coke and cooling system |
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| CN103612914A true CN103612914A (en) | 2014-03-05 |
| CN103612914B CN103612914B (en) | 2016-07-27 |
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| CN103612914B (en) | 2016-07-27 |
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