CN208087553U - A kind of anaerobic feed device - Google Patents
A kind of anaerobic feed device Download PDFInfo
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- CN208087553U CN208087553U CN201820514479.4U CN201820514479U CN208087553U CN 208087553 U CN208087553 U CN 208087553U CN 201820514479 U CN201820514479 U CN 201820514479U CN 208087553 U CN208087553 U CN 208087553U
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- 238000009423 ventilation Methods 0.000 claims abstract description 158
- 230000001681 protective effect Effects 0.000 claims abstract description 53
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000002309 gasification Methods 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 174
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a kind of anaerobic feed devices, it is used to material being delivered to gasification furnace, the anaerobic feed device includes feeding equipment and air ventilation device, the discharge port of the feeding equipment is connected to the feed inlet of the air ventilation device, the material is exported by the feeding equipment enters the air ventilation device, and is exported to the gasification furnace by the discharge port of the air ventilation device；The air ventilation device inner hollow forms gas displacement chamber, and the air ventilation device includes ventilation upper slide, ventilation lower skateboard, high voltage protective gas mouthpiece and gas discharge outlet.Anaerobic feed device provided by the utility model is simple in structure, easy to use, can be with mixed air in effective blowoff material, and then reduces the content of oxygen in gasification in gasification furnace, and then reduces the generation of bioxin, and then preferably protects environment.
Description
Technical field
The utility model is related to biomass energy utilization technologies fields, and in particular to a kind of anaerobic feed device.
Background technology
The current feeder applied to gasification furnace is common addition formula feeder, is not appointed on air exclusion
What safeguard procedures, so current feeder enters gasification after having a large amount of air and raw material mixing while charging
Stove, however, the content of gasification furnace air has large effect to the gasification result of gasification furnace.
Different air participate in gasification and generate bioxin data comparison (being detection unit with 1 gram of rubbish) such as table 1：
| Excess air factor | Bioxin concentration (ng/g) |
| 0.0 | 0.004 |
| 0.2 | 39.033 |
| 0.4 | 88.760 |
| 0.6 | 113.248 |
| 0.8 | 159.847 |
| 1.0 | 542.730 |
| 1.2 | 784.827 |
| 1.4 | 1364.586 |
As shown in Table 1, air content in gasification is higher, and gasification generation content of dioxin is bigger, and
It is few that content of dioxin is generated under isolation air conditions.It is computed, the content of air and final bioxin in gasification
The relationship of the directly proportional growth of content, thus control air be mixed into gasification can meet the requirement of environmental protection have it is important
Meaning.By the study found that specifically the oxygen in air has played decisive role to gasification result, so, gasification
The content for needing oxygen in strictly control gasification furnace, preferably prevents influence of the oxygen to gasification.
However, current feeder, which is not adopted an effective measure, controls being mixed into for air or oxygen, this makes gasification furnace exist
Gasification generates more bioxin, to cause damages to environment.
Utility model content
The purpose of this utility model is to provide a kind of anaerobic feed devices, fail effectively to control to solve existing feeder
Air or oxygen are mixed into, and cause the bioxin that gasification generates more, to the more serious problem of environmental pollution.
To achieve the above object, anaerobic feed device provided by the utility model is used to material being delivered to gasification furnace, institute
It includes feeding equipment and air ventilation device to state anaerobic feed device, and the discharge port of the feeding equipment is connected to the gas displacement
The feed inlet of device, the material is exported by the feeding equipment enters the air ventilation device, and by the gas displacement
The discharge port of device is exported to the gasification furnace；
The air ventilation device inner hollow forms gas displacement chamber, and the air ventilation device includes sliding in ventilation
Plate, ventilation lower skateboard, high voltage protective gas mouthpiece and gas discharge outlet；
The ventilation upper slide of inner hollow and the ventilation lower skateboard both pass through the side wall of the air ventilation device
And tilt down and go deep into the gas displacement chamber, the ventilation upper slide is located at the top of the ventilation lower skateboard and is changed with described
Gas lower skateboard is oppositely arranged, and is located at the upside point of the ventilation upper slide and the ventilation lower skateboard inside the air ventilation device
It is not provided with slide plate protective gas mouthpiece, gas is entered by the gas input port of the ventilation upper slide and the ventilation lower skateboard
It is described ventilation upper slide and it is described ventilation lower skateboard inside and by the slide plate protective gas mouthpiece spray after enter the gas
Body replaces chamber；
The high voltage protective gas mouthpiece is set to the side of the air ventilation device opposite with the ventilation upper slide
Wall, and positioned at the top of the ventilation upper slide, the gas of the gas displacement chamber is blown by the high voltage protective gas mouthpiece
Blow to the ventilation upper slide；
The gas discharge outlet is set to the roof of the air ventilation device, replaces and completes in the gas displacement intracavitary
Gas be discharged via the gas discharge outlet.
Preferably, the high voltage protective gas mouthpiece is located at the downside of the lower edge of the feed inlet of the air ventilation device
Or it is concordant with the lower edge, and the pressure for the gas being blown by the high voltage protective gas mouthpiece is 0.3-2MPa.
Preferably, the ventilation upper slide is the air ventilation device side at a distance from the air ventilation device roof
The 1/5-1/3 of wall length, and the angle of inclination of the ventilation upper slide and the radial direction of the air ventilation device is 10-
25°。
Preferably, the angle of inclination of the ventilation lower skateboard and the radial direction of the air ventilation device is 10-25 °,
And the upper end of the ventilation lower skateboard and the lower end of the ventilation upper slide, in same level, the unit interval is interior by the high pressure
The sum of volume of gas that the gas and the slide plate protective gas mouthpiece that protective gas mouthpiece is blown into spray is in the unit time
5-15 times of the volume of the material inputted into air ventilation device.
Preferably, the ventilation upper slide and the ventilation lower skateboard are evenly arranged with multiple slide plate protective gas and blow respectively
Mouthful, and the overlapping volume of the gas of the adjacent slide plate protective gas mouthpiece ejection is the single slide plate protective gas mouthpiece spray
The 5%-15% of the gas volume gone out, and the gas of the gas input port input by the ventilation upper slide and the ventilation lower skateboard
Body pressure is 0.1-8MPa.
Preferably, the anaerobic feed device further includes gas eduction unit, and the gas eduction unit includes exhaust pipe, gas
Body guide pipe, dust baffle and multiple pneumatic filters, the exhaust pipe pass through the gas discharge outlet and the gas displacement
Chamber is connected to, and the lower end of the gas guide pipe is located at the gas displacement intracavitary, and the upper end of the gas guide pipe is positioned at described
The inside of exhaust pipe, the dust baffle plate setting is in the inside of the exhaust pipe, and between having between the tube wall of the exhaust pipe
Gap, and the dust baffle is located at the top of the gas guide pipe, in the multiple gases of the end set of the exhaust pipe
Filter, the gas inside the exhaust pipe are discharged after being filtered by the pneumatic filter.
Preferably, the gas guide pipe vertically the air ventilation device roof setting.
Preferably, the lower end of the gas guide pipe is tapered, and the side wall of the gas guide pipe lower end is inclined outwardly
Angle be 30-60 °, the 1.5- of the caliber of the upper end of a diameter of gas guide pipe of the lower port of the gas guide pipe
6 times.
Preferably, the feeding equipment includes the first screw feeding device and the second screw feeding device, first spiral shell
The discharge port of rotation feeding equipment is connected to the feed inlet of second screw feeding device, and second screw feeding device goes out
Material mouth is connected to the feed inlet of the air ventilation device, and first screw feeding device to the material squeeze for the first time
Pressure is sent to second screw feeding device, and second screw feeding device carries out second to the material and squeezes transmission
To the air ventilation device.
Preferably, first screw feeding device includes the first shell, first motor, the first speed reducer and the first spiral
Blade, first helical blade are set to the inside of first shell, and the output of the first motor is pivotally connected to described
The output of the input shaft of first speed reducer, first speed reducer is pivotally connected to first helical blade, and described first slows down
The rotating speed of the output shaft of machine is 8-30rpm, and a diameter of first spiral of the feed inlet of first screw feeding device
6-15 times of the discharge port diameter of feeding equipment.
The utility model has the following advantages that：
Anaerobic feed device provided by the utility model comprising feeding equipment and air ventilation device, and inner hollow shape
Air ventilation device at gas displacement chamber includes ventilation upper slide, ventilation lower skateboard, and high voltage protective gas mouthpiece and gas are arranged
Outlet.Material is input to air ventilation device by feeding equipment first, is blown into from high voltage protective gas mouthpiece to gas displacement chamber
It is inputted after gas (such as carbon dioxide) to ventilation upper slide and ventilation lower skateboard by sliding while gas (such as carbon dioxide)
Plate protective gas mouthpiece enters gas displacement chamber after spraying, the gas (such as carbon dioxide) of input is in air ventilation device to object
For mixed oxygen into being discharged through gas discharge outlet after line replacement, this dramatically reduces exported to gas by air ventilation device in material
Change mixed amount of oxygen in the material of stove, and then greatly reduces the production of gasification furnace bioxin when carrying out gasification reaction
It is raw, and then preferably protect environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of anaerobic feed device provided by the utility model.
In figure：1- feeding equipments, the first screw feeding devices of 101-, the first shells of 1011-, 1012- first motors,
The first speed reducers of 1013-, the first helical blades of 1014-, the second screw feeding devices of 102-, 1021- second housings, 1022-
Two motors, the second screw rods of 1023-, 2- air ventilation devices, 201- gas displacement chambers, 202- ventilation upper slides, under 203- ventilations
Slide plate, 204- slide plate protective gas mouthpieces, 205- high voltage protective gas mouthpieces, 206- gas discharge outlets, 207- gas displacements dress
The discharge port set, 3- gas eduction units, 301- exhaust pipes, 302- gas guide pipes, the lower port of 3021- gas guide pipes,
303- dust baffles, 304- pneumatic filters.
Specific implementation mode
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of anaerobic feed device, it is used to material being delivered to gasification furnace comprising
Feeding equipment 1 and air ventilation device 2, wherein the discharge port of feeding equipment 1 is connected to the feed inlet of air ventilation device 2, makes
When with anaerobic feed device provided in this embodiment, material enters air ventilation device 2 by the output of feeding equipment 1, and is set by gas
The discharge port 207 of changing device is exported to gasification furnace.
In in this implementation, 2 inner hollow of air ventilation device forms gas displacement chamber 201, mixed oxygen in material
Into line replacement in the gas displacement chamber 201.
Specifically, air ventilation device 2 includes ventilation upper slide 202, ventilation lower skateboard 203, high voltage protective gas mouthpiece
205 and gas discharge outlet 206.
More specifically, the ventilation upper slide 202 of inner hollow and ventilation lower skateboard 203 both pass through air ventilation device 2
Side wall simultaneously tilts down and gos deep into gas displacement chamber 201, ventilation upper slide 202 be located at the top of ventilation lower skateboard 203 and with ventilation
Lower skateboard 203 is oppositely arranged.
Preferably, ventilation upper slide 202 is 2 side wall length of air ventilation device at a distance from 2 roof of air ventilation device
1/5-1/3, and the angle of inclination of the radial direction of take a breath upper slide 202 and air ventilation device 2 is 10-25 °, this makes object
Material is fallen slides downwards gas pair that is more efficient, and being sprayed by slide plate protective gas mouthpiece 204 when taking a breath on upper slide 202
The replacement result of mixed air is more preferable in material.
It is further preferable that the angle of inclination of ventilation lower skateboard 203 and the radial direction of air ventilation device 2 is 10-25 °,
And the upper end for lower skateboard 203 of taking a breath and the lower end of ventilation upper slide 202 are in same level.This enables material by ventilation
Slide plate 202 slides to ventilation lower skateboard 203, so that the gas that the slide plate protective gas mouthpiece 204 of ventilation lower skateboard 203 sprays
Body carries out displacement again to mixed air in material, so that the gas displacement effect of air ventilation device 2
More preferably.
In the present embodiment, it is located at the ventilation upper slide 202 inside air ventilation device 2 and the upper of lower skateboard 203 of taking a breath
Side is respectively arranged with slide plate protective gas mouthpiece 204, and gas is inputted by the gas of ventilation upper slide 202 and ventilation lower skateboard 203
Mouth enters the inside of ventilation upper slide 202 and lower skateboard 203 of taking a breath and by entering gas after the ejection of slide plate protective gas mouthpiece 204
Chamber 201 is replaced, the gas of input can be, but not limited to carbon dioxide.It should be noted that the work of slide plate protective gas mouthpiece 204
There are two, first, replace mixed air in material again, second is that exported out of air ventilation device 2 for material provide it is dynamic
Power.Material is dropped down onto after being slided from ventilation upper slide 202 on ventilation lower skateboard 203, and material is sprayed in slide plate protective gas mouthpiece 204
Continue to glide under the action of the gas gone out, finally be exported by the discharge port of air ventilation device 207.
It is further preferable that ventilation upper slide 202 and ventilation lower skateboard 203 are evenly arranged with multiple slide plate protective gas respectively
Mouthpiece 205.It should be noted that the jet range of slide plate protective gas mouthpiece 205 has overlapping, but there is no jet blind area.Phase
The overlapping volume for the gas that adjacent slide plate protective gas mouthpiece 205 sprays is the gas body that single slide plate protective mouthpiece 205 sprays
Long-pending 5%-15%, and be 0.1- by the gas pressure intensity of the gas input port input of ventilation upper slide 202 and ventilation lower skateboard 203
8MPa.This makes the gas sprayed by slide plate protective gas mouthpiece 205 to the displacement efficiency again of mixed oxygen in material most
It is high.
In the present embodiment, high voltage protective gas mouthpiece 205 is set to the gas displacement opposite with ventilation upper slide 202 and fills
2 side wall is set, and positioned at the top of ventilation upper slide 202, gas displacement chamber 201 is blown by high voltage protective gas mouthpiece 205
Gas blows to ventilation upper slide 202.Preferably, the gas for gas displacement chamber 201 being blown into from high voltage protective gas mouthpiece 205 can be with
But it is not limited to carbon dioxide, the oxygen that this not only can be in effective substitution gas displacement apparatus 2 will not generate air dirty
Dye.
Preferably, high voltage protective gas mouthpiece 205 be located at the lower edge of the feed inlet of air ventilation device 2 downside or with
Lower edge is concordant, and the pressure for the gas being blown by high voltage protective gas mouthpiece 205 is 0.3-2MPa, this makes gas displacement chamber
Gas displacement efficiency in 201 is higher.
In a preferred embodiment, the gas and slide plate being blown by high voltage protective gas mouthpiece 205 in the unit interval
The sum of volume of gas that protective gas mouthpiece 204 sprays is the unit time interior material inputted into air ventilation device 2
5-15 times of volume.This makes what the gas being blown by high voltage protective gas mouthpiece 205 and slide plate protective gas mouthpiece 204 sprayed
Gas can carry out displacement to mixed oxygen in material.
In the present embodiment, gas discharge outlet 206 is set to the roof of air ventilation device 2, in gas displacement chamber 201
The gas completed is replaced to be discharged via gas discharge outlet 206.
When in use, material is input to gas displacement to anaerobic feed device provided by the utility model by feeding equipment 1 first
Device 2, to ventilation while being blown into gas (such as carbon dioxide) to gas displacement chamber 201 from high voltage protective gas mouthpiece 205
It is sprayed by slide plate protective gas mouthpiece 204 after upper slide 202 and the ventilation input gas of lower skateboard 203 (such as carbon dioxide) laggard
Enter gas displacement chamber 201, gas (such as carbon dioxide) mixed oxygen progress in air ventilation device 2 is to material of input
It is discharged through gas discharge outlet 206 after displacement, this dramatically reduces by being mixed in the output to the material of gasification furnace of air ventilation device 2
The amount of oxygen entered, and then the generation of gasification furnace bioxin when carrying out gasification reaction is greatly reduced, and then preferably protect
Environment is protected.
Embodiment 2
It is substantially the same manner as Example 1 the present embodiment provides another anaerobic feed device, only different piece is carried out below
It introduces.
As shown in Figure 1, in the present embodiment, anaerobic feed device further includes gas eduction unit 3, gas eduction unit 3 wraps
Exhaust pipe 301, gas guide pipe 302, dust baffle 303 and multiple pneumatic filters 304 are included, exhaust pipe 301 is arranged by gas
Outlet 206 is connected to gas displacement chamber 201, and the lower end of gas guide pipe 302 is located in gas displacement chamber 201, gas guide pipe
302 upper end is located at the inside of exhaust pipe 301, and dust baffle 303 is set to the inside of exhaust pipe 301, and with exhaust pipe 301
There is gap between tube wall, and dust baffle 303 is located at the top of gas guide pipe 302, it is multiple in the end set of exhaust pipe 301
Pneumatic filter 304, the gas inside exhaust pipe 301 are discharged after being filtered by pneumatic filter 304.This is conducive to the gas after displacement
Body discharge out of air ventilation device 2.
In the present embodiment, gas eduction unit 3 is the exhaust system of air ventilation device 2, and it acts as set gas
Air ventilation device 2 is discharged in the mixed air of material and the gas of metathesis in changing device 2, and makes air ventilation device
2 possess stable pressure.
The export process of gas eduction unit 3 is as follows：The lower port 3021 of gas guide pipe collects barotropic gas, by gas
Body guide pipe 302 boots up, and when gap of the gas across gas guide pipe 302 and dust baffle 303, gas will appear
" venturi " phenomenon, so after encountering dust baffle 303, gas can be between 301 tube wall of dust baffle 303 and exhaust pipe
Gap continue up conduction, and dust can fall to 302 He of gas guide pipe with the blocking and guiding of dust baffle 303
In gap between exhaust pipe 301, finally slides and return on ventilation upper slide 202.Continue the air-flow risen and finally passes through gas
Filter 304 is finally arranged to air.
Preferably, the roof setting of 302 vertical gas displacement apparatus 2 of gas guide pipe, this reduces gas to the greatest extent
The influence for stability of taking a breath to material in air ventilation device 2 when outflow, while reducing to the greatest extent again in the gas of discharge
The content of dust.
It is further preferable that the lower end of gas guide pipe 302 is tapered, and the side wall of 302 lower end of gas guide pipe leans outward
Oblique angle is 30-60 °, the caliber of the upper end of a diameter of gas guide pipe 302 of the lower port 3021 of gas guide pipe
1.5-6 again.Fluency when gas discharge can have both been ensured in this way, can also ensure patency when dust is fallen.In this reality
It applies in example, the height of 3021 relative position of lower port of gas guide pipe must not be less than the height of 2 feed inlet of air ventilation device,
In order to avoid generating interference to the air-flow flowing integrally taken a breath, efflux gas is also avoided to take away excessive dust.
In addition, the diameter of dust baffle 303 is slightly larger than 302 diameter of gas guide pipe, in this way to ensure the sedimentation rate of dust.
Meanwhile the material of pneumatic filter 304 can be, but not limited to ceramics or metal, due to pneumatic filter 304 tamper be can
Combustion things can will can be reused in this way when replacing pneumatic filter 304 after its simple high-temperature process and blowback.
In the present embodiment, pneumatic filter 304 is set as multiple, can reduce gas in this way to pneumatic filter 304
The blocking probability of micropore, and within one or more stages of replacement of pneumatic filter 304, making for anaerobic feed device is not influenced
With.
Embodiment 3
It is substantially the same manner as Example 1 the present embodiment provides another anaerobic feed device, only different piece is carried out below
It introduces.
As shown in Figure 1, in the present embodiment, feeding equipment 1 includes that the first screw feeding device 101 and the second spiral are fed
Device 102, the discharge port of the first screw feeding device 101 are connected to the feed inlet of the second screw feeding device 102, the second spiral
The discharge port of feeding equipment 102 is connected to the feed inlet of air ventilation device 2
In the present embodiment, first, the first screw feeding device 101, which to material squeeze for the first time, is sent to the second spiral shell
Feeding equipment 102 is revolved, mixed air is excluded a part because of squeezing for the first time in material；Secondly, the second spiral charging
Device 102 carries out second of extruding to material and is sent to air ventilation device 2, and the second screw feeding device 102 is not only to material
It carries out second and squeezes transmission, the first screw feeding device 101 and air ventilation device 2 has also been isolated, this makes the first spiral
Feeding equipment 101 and air ventilation device 2 are respectively formed two semiclosed bodies, and then improve and mixed in material extruding transmit process
The discharge rate of the air entered, but also the entire transmission process of material is more smooth.
In in this implementation, the second screw feeding device 102 is including second housing 1021 and is set to second housing
The second motor 1022 inside 1021 and the second screw rod 1023.Wherein, the second motor 1022 drives the second screw rod 1023 to material
Carry out extruding transmission again.
Preferably, the length of the second screw rod 1023 is the air ventilation device 2 of the first screw feeding device 101 and 5/6
Within the scope of the 1/3-1-1/5 of the sum of diameter.This makes the extruding of the second screw feeding device 102 and isolation effect best.
In a preferred embodiment, the first screw feeding device 101 includes the first shell 1011, first motor
1012, the first speed reducer 1013 and the first helical blade 1014, and the first helical blade 1014 is set to the first shell 1011
It is internal.Specifically, the output of first motor 1012 is pivotally connected to the input shaft of the first speed reducer 1013, the first speed reducer 1013
Output is pivotally connected to the first helical blade 1014.This makes the first screw feeding device 101 to material squeeze for the first time to pass
It send, greatly increases the transmission of the first screw feeding device 101 and extruding efficiency.
Preferably, the rotating speed of the output shaft of the first speed reducer 1013 be 8-30rpm, the first screw feeding device 101 into
6-15 times of the discharge port diameter of a diameter of first screw feeding device 101 of material mouth, it greatly reduces the first spiral into
Expect the feed loading of device 101 so that first motor 1012 is damaged or the probability of the first helical blade 1014 deformation greatly drops
It is low, but also the displacement efficiency highest of air ventilation device 2, greatly reduces whole operating cost.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of anaerobic feed device, for material to be delivered to gasification furnace, which is characterized in that the anaerobic feed device includes charging
Device (1) and air ventilation device (2), the discharge port of the feeding equipment (1) be connected to the air ventilation device (2) into
Material mouth, the material is exported by the feeding equipment (1) enters the air ventilation device (2), and is filled by the gas displacement
The discharge port (207) set is exported to the gasification furnace；
Air ventilation device (2) inner hollow forms gas displacement chamber (201), and the air ventilation device (2) includes changing
Gas upper slide (202), ventilation lower skateboard (203), high voltage protective gas mouthpiece (205) and gas discharge outlet (206)；
The ventilation upper slide (202) and the ventilation lower skateboard (203) of inner hollow both pass through the air ventilation device
(2) side wall simultaneously tilts down and gos deep into the gas displacement chamber (201), and the ventilation upper slide (202) is located under the ventilation
It the top of slide plate (203) and is oppositely arranged with the ventilation lower skateboard (203), it is internal to be located at the air ventilation device (2)
It is respectively arranged with slide plate protective gas mouthpiece (204), gas on the upside of ventilation upper slide (202) and the ventilation lower skateboard (203)
Body enters the ventilation upper slide by the gas input port of the ventilation upper slide (202) and the ventilation lower skateboard (203)
(202) and it is described ventilation lower skateboard (203) inside and by the slide plate protective gas mouthpiece (204) spray after enter the gas
Body replaces chamber (201)；
The high voltage protective gas mouthpiece (205) is set to the gas displacement opposite with the ventilation upper slide (202) and fills
The side wall of (2) is set, and positioned at the top of the ventilation upper slide (202), institute is blown by the high voltage protective gas mouthpiece (205)
The gas for stating gas displacement chamber (201) blows to the ventilation upper slide (202)；
The gas discharge outlet (206) is set to the roof of the air ventilation device (2), in the gas displacement chamber (201)
The gas that interior displacement is completed is discharged via the gas discharge outlet (206).
2. anaerobic feed device as described in claim 1, which is characterized in that the high voltage protective gas mouthpiece (205) is located at institute
The downside or concordant with the lower edge of the lower edge of the feed inlet of air ventilation device (2) is stated, and by the high voltage protective gas
The pressure for the gas that body mouthpiece (205) is blown into is 0.3-2MPa.
3. anaerobic feed device as claimed in claim 2, which is characterized in that the ventilation upper slide (202) is set with the gas
The distance of changing device (2) roof is the 1/5-1/3 of the air ventilation device (2) side wall length, and the ventilation upper slide
(202) it is 10-25 ° with the angle of inclination of the radial direction of the air ventilation device (2).
4. anaerobic feed device as claimed in claim 3, which is characterized in that the ventilation lower skateboard (203) is set with the gas
The angle of inclination of the radial direction of changing device (2) is 10-25 °, and on the upper end and the ventilation of the ventilation lower skateboard (203)
The lower end of slide plate (202) in same level, the gas that is blown by the high voltage protective gas mouthpiece (205) in the unit interval and
The sum of volume of gas that the slide plate protective gas mouthpiece (204) sprays is interior to air ventilation device (2) in the unit time
5-15 times of the volume of the material of input.
5. anaerobic feed device as claimed in claim 4, which is characterized in that under the ventilation upper slide (202) and the ventilation
Slide plate (203) is evenly arranged with multiple slide plate protective gas mouthpieces (204), and the adjacent slide plate protective gas mouthpiece respectively
(204) overlapping volume of the gas sprayed is the 5%- for the gas volume that the single slide plate protective gas mouthpiece (204) sprays
15%, and be by the gas pressure intensity of the gas input port input of the ventilation upper slide (202) and the ventilation lower skateboard (203)
0.1-8MPa。
6. anaerobic feed device as claimed in claim 5, which is characterized in that the anaerobic feed device further includes gas eduction unit
(3), the gas eduction unit (3) includes exhaust pipe (301), gas guide pipe (302), dust baffle (303) and multiple gas
Body filter (304), the exhaust pipe (301) are connected by the gas discharge outlet (206) and the gas displacement chamber (201)
Logical, the lower end of the gas guide pipe (302) is located in the gas displacement chamber (201), the upper end position of the gas guide pipe
Inside in the exhaust pipe (301), the dust baffle (303) are set to the inside of the exhaust pipe (301), and with it is described
There is gap between the tube wall of exhaust pipe (301), and the dust baffle (303) is located at the top of the gas guide pipe (302),
In the multiple pneumatic filters (304) of the end set of the exhaust pipe (301), the internal gas of the exhaust pipe (301)
It is discharged after being filtered by the pneumatic filter (304).
7. anaerobic feed device as claimed in claim 6, which is characterized in that the vertical gas of the gas guide pipe (302)
The roof of displacement apparatus (2) is arranged.
8. anaerobic feed device as claimed in claim 7, which is characterized in that the lower end of the gas guide pipe (302) is tapered,
And the angle that the side wall of gas guide pipe (302) lower end is inclined outwardly is 30-60 °, the lower port of the gas guide pipe
(3021) 1.5-6 times of the caliber of a diameter of gas guide pipe (302) upper end.
9. anaerobic feed device as described in claim 1, which is characterized in that the feeding equipment (1) feeds including the first spiral
Device (101) and the second screw feeding device (102), the discharge port of first screw feeding device (101) are connected to described
The discharge port of the feed inlet of second screw feeding device (102), second screw feeding device (102) is connected to the gas
The feed inlet of displacement apparatus (2), first screw feeding device (101), which to the material squeeze for the first time, is sent to institute
The second screw feeding device (102) is stated, second screw feeding device (102) carries out second to the material and squeezes transmission
To the air ventilation device (2).
10. anaerobic feed device as claimed in claim 9, which is characterized in that first screw feeding device (101) includes the
One shell (1011), first motor (1012), the first speed reducer (1013) and the first helical blade (1014), first spiral
Blade (1014) is set to the inside of first shell (1011), and the output of the first motor (1012) is pivotally connected to described
The output of the input shaft of first speed reducer (1013), first speed reducer (1013) is pivotally connected to first helical blade
(1014), the rotating speed of the output shaft of first speed reducer (1013) is 8-30rpm, and first screw feeding device
(101) 6-15 times of the discharge port diameter of a diameter of first screw feeding device (101) of feed inlet.
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| CN201820514479.4U CN208087553U (en) | 2018-04-11 | 2018-04-11 | A kind of anaerobic feed device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329951A (en) * | 2018-04-11 | 2018-07-27 | 郭凯 | A kind of anaerobic feed device |
| CN112322366A (en) * | 2020-11-13 | 2021-02-05 | 北京建筑大学 | Method for preparing natural gas by mixing and gasifying solar biomass |
-
2018
- 2018-04-11 CN CN201820514479.4U patent/CN208087553U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329951A (en) * | 2018-04-11 | 2018-07-27 | 郭凯 | A kind of anaerobic feed device |
| CN108329951B (en) * | 2018-04-11 | 2023-10-03 | 西安嘉士源新能源有限公司 | Anaerobic feeder |
| CN112322366A (en) * | 2020-11-13 | 2021-02-05 | 北京建筑大学 | Method for preparing natural gas by mixing and gasifying solar biomass |
| CN112322366B (en) * | 2020-11-13 | 2022-02-01 | 北京建筑大学 | Method for preparing natural gas by mixing and gasifying solar biomass |
| CN114250091A (en) * | 2020-11-13 | 2022-03-29 | 北京建筑大学 | Biomass gasification unit and artificial natural gas production system |
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