CN206872746U - A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system - Google Patents

A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system Download PDF

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Publication number
CN206872746U
CN206872746U CN201720508830.4U CN201720508830U CN206872746U CN 206872746 U CN206872746 U CN 206872746U CN 201720508830 U CN201720508830 U CN 201720508830U CN 206872746 U CN206872746 U CN 206872746U
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fine coal
lock hopper
import
cylinder
conveyer device
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邢浩
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ENN Science and Technology Development Co Ltd
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ENN Science and Technology Development Co Ltd
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Abstract

The utility model provides a kind of fine coal pressure conveyer device and powdered coal pressuring gasified system.Wherein, the fine coal pressure conveyer device includes：Lock hopper, conveyer and separator；Wherein, the pressure relief opening of the lock hopper is connected with the material inlet of the separator；The solid matter outlet of the separator is connected with the first import of the conveyer, and the first outlet of the conveyer is connected with the feed back import of the lock hopper, for the fine coal exported from the solid matter outlet to be transmitted back in the lock hopper.In the utility model, fine coal is separated by separator, and conveyer is set between lock hopper and separator, the fine coal separated from separator is directly transmitted back to by lock hopper by conveyer, shortens technological process, slow down the abrasion to pipeline in fine coal course of conveying.

Description

A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system
Technical field
Technical field of coal chemical industry is the utility model is related to, in particular to a kind of fine coal pressure conveyer device and fine coal Pressurized gasification system.
Background technology
With the increasingly scarcity of petroleum and natural gas resource, the utilization that cleans of coal is increasingly valued by people, Develop the key that large-scale Coal Gasification Technology is clean utilization coal resources.Among large-scale Coal Gasification Technology, air-flow bed coal-gasification Technology gets most of the attention.
Air flow bed is powdered coal pressuring gasified because coal adaptability is wide, the advantages that high conversion rate and is widely used. Fine coal conveying is a link particularly important in the powdered coal pressuring gasified technique of air flow bed, and fine coal boosting at present is using more Carrier gas carries fine coal and boosted in lock hopper of pressurizeing, and waits that fine coal is transported to high pressure workshop section after the completion of boosting, and pressurizes in lock hopper Carrier gas carries out being separated by filtration fine coal by low pressure cloth bag, the fine coal after separation need to be collected by pipeline to low pressure storage tank after again Returned in pressurization lock hopper by pipeline, so circulated.As can be seen that the fine coal in pressurization lock hopper is needed successively through too low Compress bag is separated by filtration can just be back in pressurization lock hopper with after low pressure storage tank storage, and technological process is longer, and easily increases fine coal To the abrasion of pipeline in course of conveying.
Utility model content
In consideration of it, the utility model proposes a kind of fine coal pressure conveyer device and powdered coal pressuring gasified system, it is intended to solves The problem of fine coal caused by certainly existing fine coal conveying technological process length easily causes abrasion in course of conveying to pipeline.
On the one hand, the utility model proposes a kind of fine coal pressure conveyer device, the device to include：Lock hopper, conveyer and Separator；Wherein, the pressure relief opening of the lock hopper is connected with the material inlet of the separator；The solid material of the separator Outlet is connected with the first import of the conveyer, and the first outlet of the conveyer is connected with the feed back import of the lock hopper It is logical, for the fine coal exported from the solid matter outlet to be transmitted back in the lock hopper.
Further, in above-mentioned fine coal pressure conveyer device, the separator is arranged above the lock hopper, the conveying Device is arranged between the lock hopper and the separator.
Further, in above-mentioned fine coal pressure conveyer device, the conveyer includes：Cylinder provided with opening and it is arranged on Motor outside the cylinder；Wherein, the output shaft of the motor is axially extended in the cylinder and on the output shaft It is provided with helical blade.
Further, in above-mentioned fine coal pressure conveyer device, one end of the cylinder offers the first import, and described first Import is connected with the solid matter outlet；The other end of the cylinder offers first outlet, the first outlet and institute The feed back import for stating lock hopper is connected.
Further, in above-mentioned fine coal pressure conveyer device, the cylinder is further opened with the second import, second import It is connected with the second carrier gas line, the lock hopper is back to for the fine coal into the cylinder in the input drive cylinder Gas.
Further, in above-mentioned fine coal pressure conveyer device, first import and second import are opened in institute Cylinder is stated close to one end of the solid matter outlet.
Further, in above-mentioned fine coal pressure conveyer device, second import at least two.
Further, in above-mentioned fine coal pressure conveyer device, each described second enters the circumferentially disposed of cylinder described in opening's edge.
Further, in above-mentioned fine coal pressure conveyer device, each described second, which enters the circumferential of cylinder described in opening's edge, uniformly divides Cloth.
The utility model separates fine coal by separator, and conveyer is set between lock hopper and separator, passes through conveying The fine coal separated from separator is directly transmitted back to lock hopper by device, it is not necessary to is stored by the separation of low pressure Bag filter and low pressure storage tank It is transmitted back to lock hopper again afterwards, shortens technological process, slow down the abrasion to pipeline in fine coal course of conveying.
On the other hand, the utility model additionally provides a kind of powdered coal pressuring gasified system, and the gasification system includes：Gasification furnace With the fine coal pressure conveyer device described in any of the above-described；Wherein, in the gasification furnace and the fine coal pressure conveyer device The lock hopper be connected.
Because fine coal pressure conveyer device has the effect above, so the gasification system with the fine coal pressure conveyer device Also there is corresponding technique effect.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to this practicality New limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the structural representation for the fine coal pressure conveyer device that the utility model embodiment provides；
Fig. 2 is the structural representation for the conveyer that the utility model embodiment provides；
Fig. 3 is the top view for the conveyer that the utility model embodiment provides.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.It should be noted that in the case where not conflicting, the implementation in the utility model Feature in example and embodiment can be mutually combined.It is below with reference to the accompanying drawings and in conjunction with the embodiments new to describe this practicality in detail Type.
Referring to Fig. 1, the preferred structure for the fine coal pressure conveyer device that the utility model embodiment provides is shown in figure.Such as Shown in figure, the device includes：Lock hopper 1, conveyer 2 and separator 3.
Wherein, the pressure relief opening 12 of lock hopper 1 is connected with the material inlet 31 of separator 3, the solid matter outlet of separator 3 33 are connected with the first import 211 of conveyer 2, and the first outlet 212 of conveyer 2 is connected with the feed back import 11 of lock hopper 1, For the fine coal exported from solid matter outlet 33 to be transmitted back in lock hopper 1.
It will be appreciated by those skilled in the art that the fine coal import being connected with fine coal feeding line 5 is offered in lock hopper 1 13, for receiving the fine coal inputted from fine coal feeding line 5；Lock hopper 1 is further opened with the gas being connected with the first carrier gas line 4 Import 14, for inputting gas into lock hopper 1 so as to be the fine coal pressurization in lock hopper 1, wherein, the gas in the first carrier gas line 4 Body can be the carbon dioxide with preset pressure and preset temperature, can be by filling when the temperature of fine coal in lock hopper 1 reduces Enter the higher carbon dioxide of temperature to heat up to lock hopper 1, so as to ensure the temperature of fine coal；, can when temperature reaches requirement in lock hopper 1 With the relatively low carbon dioxide of delivery temperature, to ensure that the temperature of fine coal is unlikely too high.The pressure and temperature of carbon dioxide can root Selected according to actual conditions, the present embodiment does not do any restriction to it.Lock hopper 1 is further opened with being connected with high-pressure powdered coal pipeline 10 Logical fine coal outlet 15, the fine coal after pressurization is exported.
After lock hopper 1 has conveyed fine coal therein, pressure release can be carried out, during pressure release, fine coal and carbon dioxide in lock hopper 1 After being separated by the pressure release gas pipeline 7 between pressure relief opening 12 and material inlet 31 into separator 3, carbon dioxide is by dividing Follow-up system or emptying are discharged into from the gas discharge line 9 at the gas material outlet 32 of device 3, fine coal is gone out by solid material Solid material reflux pipeline 8 between the import 211 of mouth 33 and first enters in conveyer 2, and through the first outlet of conveyer 2 Pipelined between 212 and the feed back import 11 of lock hopper 1 is returned in lock hopper 1.
As can be seen that by setting conveyer 2 between lock hopper 1 and separator 3 in the present embodiment, will by conveyer 2 The fine coal separated from separator 3 is directly transmitted back to lock hopper 1, it is not necessary to after the separation of low pressure Bag filter and low pressure storage tank storage Lock hopper is transmitted back to again, shortens technological process, slow down the abrasion to pipeline in fine coal course of conveying.Solve in the prior art The problem of abrasion is caused to pipeline in fine coal course of conveying caused by fine coal conveying technological process is longer.
In above-described embodiment, separator 3 is arranged at the top of lock hopper 1, and conveyer 2 is arranged between lock hopper 1 and separator 3. Specifically, separator 3 can be arranged on the surface of lock hopper 1, the optional position outside can also being arranged on directly over lock hopper 1, Conveyer 2 can be obliquely installed between lock hopper 1 and separator 3, and angle of inclination can be determined according to actual conditions, this reality Example is applied not to be limited in any way it.
As can be seen that separator 3 is arranged on the top of lock hopper 1, difference in height is formed, is advantageous to the fine coal in separator 3 in weight It is delivered in conveyer 2 under power effect, and is finally transmitted back in lock hopper 1.
Referring to Fig. 2, in above-described embodiment, conveyer 2 can include：Cylinder 21 provided with opening and it is arranged on outside cylinder 21 The motor 22 in portion.Wherein, the output shaft of motor 22 axially extends in cylinder 21 and is provided with helical blade 23 on output shaft. Specifically, the opening being connected with lock hopper 1 is offered on cylinder 21, is further opened with opening with what separator 3 was connected on cylinder 21 Mouthful, the position being respectively open on cylinder 21 can determine that the present embodiment does not do any restriction to it according to actual conditions.Motor 22 Output shaft can be arranged at the middle part of cylinder 21, helical blade 23 can be formula helical blade of having one's face covered with, or the moon dentition formula The helical blade structure well-known to those skilled in the art that can be used in conveying fine coal such as helical blade.
As can be seen that conveyer 2 drives helical blade 23 to convey fine coal by motor 22, the conveying effect of fine coal is improved Rate.
Referring back to Fig. 2, in above-described embodiment, the first end (upper end shown in Fig. 2) of cylinder 21 offers the first import 211, the first import 211 is connected with solid matter outlet 33, and the second end (lower end shown in Fig. 2) of cylinder 21 offers One outlet 212, first outlet 212 is connected with the feed back import 11 of lock hopper 1.Specifically, the first import 211 can be arranged on cylinder The top of the side wall of body 21, first outlet 212 can be arranged at the position of the bottom wall of cylinder 21, the first import 211 and first outlet 212 Putting can be determined according to actual conditions, and the present embodiment does not do any restriction to it.When it is implemented, the first import 211 can To be connected by solid material reflux pipeline 8 with solid matter outlet 33, first outlet 212 can pass through Location Detection of Medium Transportation Pipeline It is connected with feed back import 11.
As can be seen that from the fine coal that solid matter outlet 33 exports after the first import 211 enters cylinder 21, in motor 22 In the presence of driving the rotation of helical blade 23, first outlet 212 is delivered to from top to bottom, and by Location Detection of Medium Transportation Pipeline, through returning Material import 11 is transmitted back in lock hopper 1, is advantageous to carry out loose handling to fine coal while improving fine coal transfer efficiency, is avoided Putty phenomenon.
With continued reference to Fig. 2, in above-described embodiment, cylinder 21 is further opened with the second import 213, the second import 213 and second Carrier gas line 6 is connected, and the second import 213 is used for the input into cylinder 21 and drives the fine coal in cylinder 21 to be back to lock hopper 1 Gas.Specifically, the second import 213 can be arranged in the side wall relative with the position of the first import 211, the second carrier gas line 6 The second import 213 is communicated to, so as to which gas is delivered in cylinder 21 through the second import 213.Gas in second carrier gas line 6 Can be the carbon dioxide with preset pressure and preset temperature, for mending temperature for the fine coal that is exported from solid matter outlet 33, The pressure and temperature of carbon dioxide can be selected according to actual conditions.
When it is implemented, conveyer 2 can drive helical blade 23 to convey fine coal separately through motor 22, can also be independent Conveying fine coal is carried by the carbon dioxide in the second carrier gas line 6, helical blade 23 can also be driven by motor 22 simultaneously Convey fine coal and conveying fine coal is carried by carbon dioxide.When simultaneously using two ways conveying fine coal, in order to avoid when defeated When sending the helical blade 23 in device 2 static, forming resistance to carbon dioxide gas stream causes the strength motive force of carbon dioxide to reduce, Motor 22, which can first be opened, drives helical blade 23 mechanically to be conveyed, and is subsequently then turned on the second carrier gas line 6 and carries out dioxy Change carbon strength and promote conveying fine coal.
In the present embodiment, the temperature and pressure of the first carrier gas line 4 and the carbon dioxide in the second carrier gas line 6 can phase Together, it now could be arranged to house steward's charging；The temperature and pressure of carbon dioxide can also be different in two carrier gas lines, this When two pipelines can be provided separately.
As can be seen that on the one hand the carbon dioxide in the second carrier gas line 6 can provide strength, so as to by cylinder 21 Fine coal is carried into lock hopper 1；On the other hand, the helical blade 23 in cylinder 21 can also be purged, reduces fine coal and be detained Probability on helical blade 23；Heated in addition, the carbon dioxide in the second carrier gas line 6 can also be fine coal, to supplement powder The heat that coal is lost in gas solid separation, is advantageous to avoid carbon dioxide and drop that pulverized coal mixture occurs in course of conveying Pressure condenses the phenomenon for blocking pipeline, ensure that the normal conveying of fine coal.
Preferably, in the various embodiments described above, the first import 211 and the second import 213 are opened in cylinder 21 close to solid One end of material outlet 33.Specifically, the first import 211 and the second import 213 can be symmetricly set on cylinder 21 close to solid In the side wall of material outlet 33, pre-determined distance setting can also be axially offset along cylinder 21, the pre-determined distance can be according to reality Situation is determined, and the present embodiment is not limited in any way to it.
As can be seen that the first import 211 and the second import 213 are close to solid matter outlet 33 and set, dioxy can guarantee that It is consistent with fine coal flow direction to change the flow direction of carbon, is advantageous to carbon dioxide gas stream and carries fine coal to first outlet 212, enter And it is transmitted back in lock hopper 1.
Referring to Fig. 3, in the various embodiments described above, the second import 213 at least two.Such as four the are set on cylinder 21 Two air inlets 213, four the second air inlets 213 can be connected with carrier gas line, more carbon dioxide are delivered to respectively In cylinder 21, the strength motive force of carbon dioxide can be increased, and more fully will under the synergy of helical blade 23 Fine coal is transmitted back in lock hopper 1.
In above-described embodiment, each second import 213 is along the circumferentially disposed of cylinder 21.Preferably, each second import 213 is along cylinder The circumference of body 21 is uniformly distributed.Specifically, each second import 213 can be along the circumferential spaced set of the outer wall of cylinder 21, and respectively The opening direction of second import 213 can be consistent with the rotation direction of helical blade 23.
As can be seen that each second air inlet 213 is circumferentially distributed along cylinder 21, the titanium dioxide in the second carrier gas line 6 can be made Carbon promotes the fine coal on helical blade 23 to be delivered to first outlet 212 from the first import 211 in all directions, further increases The transfer efficiency of fine coal.
In summary, the fine coal pressure conveyer device that the utility model embodiment provides by lock hopper 1 and separator 3 it Between conveyer 2 is set, conveyer 2 both can drive helical blade 23 rotate fine coal being transmitted back to lock hopper 1, also may be used by motor 22 Fine coal is transmitted back to lock hopper 1 to push to move by carbon dioxide gas, shortens technological process, it is right in fine coal course of conveying to slow down The abrasion of pipeline.
The fine coal pressure conveyer device in the present embodiment is described in more detail with instantiation below：
The inlet valve of fine coal feeding line 5 is opened, fine coal is entered in lock hopper 1 by fine coal feeding line 5, is opened first and is carried The valve of gas pipeline 4, CO2Boosted into lock hopper 1 for fine coal, wherein, CO in the first carrier gas line 42Temperature for 100 DEG C, pressure Power is 8.2MPa, passes through CO in boost process2Temperature adjust the temperature of fine coal in lock hopper 1, when boost to after system pressure When power 7.5MPa is suitable, stop boosting, open the baiting valve of the lower end of lock hopper 1, fine coal is entered follow-up by high-pressure powdered coal pipeline 10 In system or equipment；After fine coal discharge terminates in lock hopper 1, baiting valve is closed, lock hopper 1 starts to let out by pressure release gas pipeline 7 Pressure, now, fine coal and CO2Enter simultaneously in separator 3 and separated, the CO after separation2Discharged by the gas on separator top Pipeline 9 is discharged into follow-up system or emptying, the fine coal after separation helical blade 23 and a plurality of second carrier gas line in conveyer 2 6(CO2Temperature be 150 DEG C, pressure 8.2MPa) provide and pass through solid material return duct under the synergy of heat and strength Line 8 is transmitted back in lock hopper 1；After the completion for the treatment of the pressure release of lock hopper 1, fine coal is back in lock hopper 1, and lock hopper 1 is fed again through fine coal Pipeline 5 supplements fine coal, and when fine coal adds to the certain altitude in lock hopper 1, lock hopper 1 is carried by the first carrier gas line 4 for system Ensure the temperature of fine coal in equipment while voltage supply power, when system pressure is suitable with after for the pressure of lock hopper 1, stops boosting, beat The baiting valve of 1 lower end of unlocking bucket, fine coal is transported in follow-up system or equipment by high-pressure powdered coal pipeline 10.Treat in lock hopper 1 Fine coal discharge terminate after, close baiting valve, lock hopper 1 enters pressure release, that is, complete pressurization, blanking, pressure release, the circulation of charge.
The utility model additionally provides a kind of powdered coal pressuring gasified system, and the gasification system includes：Gasification furnace and above-mentioned Fine coal pressure conveyer device.Wherein, gasification furnace is connected with the lock hopper 1 in fine coal pressure conveyer device.Specifically, gasification furnace Material inlet is connected with the fine coal outlet 15 of lock hopper 1, wherein, lock hopper 1 is used to the fine coal after pressurization being delivered to gasification furnace, gas Change stove and follow-up gasification process is carried out to the fine coal after pressurization.The specific implementation process of fine coal pressure conveyer device is referring to above stating Bright, the present embodiment will not be repeated here.
It should be noted that any one gasification furnace that gasification furnace is well known to those skilled in the art, wherein, gasification furnace On offer material inlet, the concrete structure and specific implementation process of gasification furnace are well known to those skilled in the art, this implementation Example will not be repeated here.
Because fine coal pressure conveyer device has the effect above, so the gasification system with the fine coal pressure conveyer device Also there is corresponding technique effect.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.

Claims (10)

  1. A kind of 1. fine coal pressure conveyer device, it is characterised in that including：Lock hopper (1), conveyer (2) and separator (3)；Wherein,
    The pressure relief opening (12) of the lock hopper (1) is connected with the material inlet (31) of the separator (3)；
    The solid matter outlet (33) of the separator (3) is connected with the first import (211) of the conveyer (2), described The first outlet (212) of conveyer (2) is connected with the feed back import (11) of the lock hopper (1), for will be from the solids The fine coal of material outlet (33) output is transmitted back in the lock hopper (1).
  2. 2. fine coal pressure conveyer device according to claim 1, it is characterised in that the separator (3) is arranged at described Above lock hopper (1), the conveyer (2) is arranged between the lock hopper (1) and the separator (3).
  3. 3. fine coal pressure conveyer device according to claim 1 or 2, it is characterised in that the conveyer (2) includes：If There is the cylinder (21) of opening and be arranged on the outside motor (22) of the cylinder (21)；Wherein,
    The output shaft of the motor (22) axially extends in the cylinder (21) and is provided with helical-blade on the output shaft Piece (23).
  4. 4. fine coal pressure conveyer device according to claim 3, it is characterised in that one end of the cylinder (21) offers First import (211), first import (211) are connected with the solid matter outlet (33)；
    The other end of the cylinder (21) offers first outlet (212), the first outlet (212) and the lock hopper (1) Feed back import (11) is connected.
  5. 5. fine coal pressure conveyer device according to claim 4, it is characterised in that the cylinder (21) is further opened with second Import (213), second import (213) are connected with the second carrier gas line (6), for the cylinder (21) interior input tape Move the gas that the fine coal in the cylinder (21) is back to the lock hopper (1).
  6. 6. fine coal pressure conveyer device according to claim 5, it is characterised in that first import (211) and described Second import (213) is opened in the cylinder (21) close to one end of the solid matter outlet (33).
  7. 7. the fine coal pressure conveyer device according to claim 5 or 6, it is characterised in that second import (213) is at least For two.
  8. 8. fine coal pressure conveyer device according to claim 7, it is characterised in that each second import (213) is along institute State the circumferentially disposed of cylinder (21).
  9. 9. fine coal pressure conveyer device according to claim 8, it is characterised in that each second import (213) is along institute The circumference for stating cylinder (21) is uniformly distributed.
  10. 10. a kind of powdered coal pressuring gasified system, including：Gasification furnace, it is characterised in that also include：As appointed in claim 1 to 9 Fine coal pressure conveyer device described in one；Wherein,
    The gasification furnace is connected with the lock hopper (1) in the fine coal pressure conveyer device.
CN201720508830.4U 2017-05-09 2017-05-09 A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system Active CN206872746U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720508830.4U CN206872746U (en) 2017-05-09 2017-05-09 A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720508830.4U CN206872746U (en) 2017-05-09 2017-05-09 A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system

Publications (1)

Publication Number Publication Date
CN206872746U true CN206872746U (en) 2018-01-12

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CN201720508830.4U Active CN206872746U (en) 2017-05-09 2017-05-09 A kind of fine coal pressure conveyer device and powdered coal pressuring gasified system

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