CN220264399U - Efficient anti-blocking powder metering and conveying device - Google Patents
Efficient anti-blocking powder metering and conveying device Download PDFInfo
- Publication number
- CN220264399U CN220264399U CN202321775568.1U CN202321775568U CN220264399U CN 220264399 U CN220264399 U CN 220264399U CN 202321775568 U CN202321775568 U CN 202321775568U CN 220264399 U CN220264399 U CN 220264399U
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- bin body
- spherical tank
- support pipe
- conveying device
- storehouse
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- 239000000843 powder Substances 0.000 title claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 20
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 17
- 235000011116 calcium hydroxide Nutrition 0.000 abstract description 17
- 239000000920 calcium hydroxide Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a high-efficiency anti-blocking powder metering and conveying device which comprises a bin body, a steel frame, a flue, a spherical tank and a blowing pipeline, wherein a weighing module is arranged above the steel frame, the bottom of the bin body is arranged above the weighing module through a plurality of groups of column foot supports, the spherical tank is arranged in the bin body, a left supporting pipe is horizontally arranged on the left side of the spherical tank, a right supporting pipe is symmetrically arranged on the right side of the spherical tank, the left supporting pipe and the right supporting pipe penetrate through the bin body to the outside of the bin body, a speed reducer is arranged at one end of the left supporting pipe outside the bin body, the speed reducer is connected with a motor, a feeding ball valve is arranged on the right supporting pipe outside the bin body, the outer end of the right supporting pipe is connected with a first connecting hose, the first connecting hose is communicated with the blowing pipeline, an outlet is arranged at the bottom of the bin body, and the outlet at the bottom of the bin body is connected with the top end of the flue. The utility model has the advantages of reducing or eliminating the blocking phenomenon of the slaked lime powder in the conveying process, changing the metering and blanking modes and being not easy to generate ash leakage phenomenon.
Description
Technical Field
The utility model relates to the technical field of waste incineration flue gas purification, in particular to a high-efficiency anti-blocking powder metering and conveying device.
Background
At present, domestic garbage incineration power generation technology is mature, wherein most of flue gas purification system technology adopts a semi-dry deacidification tower, a bag-type dust collector, dry slaked lime, active carbon adsorption and SNCR.
Wherein, the dry slaked lime is prepared by conveying slaked lime powder into the flue before the inlet of the bag-type dust collector by a Roots blower, and mixing the slaked lime with acid gases (HCL, SO) in the flue gas 2 ) The reaction can remove 70 percent of HCL and 30 percent of SO in the flue gas 2 。
Meanwhile, the slaked lime powder is pneumatically conveyed into an independent storage bin through a tank truck, and then is conveyed into a flue through devices such as a Roots blower, a metering scale, a venturi tube and the like under the bin. In the daily use process, due to the fact that the quality of slaked lime is low and the phenomenon of fan hot air, slaked lime powder is easy to adsorb on the inner wall of a pipeline, the position of a pipeline elbow and a flue nozzle is particularly obvious, blockage is frequently caused, regular manual cleaning is needed, and the standard reaching of human resources and production operation flue gas parameters is greatly influenced. Once the blockage occurs, the phenomena of returning charge and ash leakage are very easy to occur at the metering tank and the Venturi tube, and environmental pollution and resource waste are caused.
Disclosure of Invention
The utility model aims to provide an efficient anti-blocking powder metering and conveying device, which reduces or eliminates the blocking phenomenon of a conveying pipeline elbow and a nozzle position in the process of lime hydrate powder from a lime hydrate bin to a flue, changes the metering and discharging modes, and is not easy to cause ash leakage, thereby causing environmental pollution.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a high-efficient anti-blocking powder metering and conveying device, a serial communication port, including the storehouse body, the steelframe, the flue, spherical tank and jetting pipeline, weighing module is installed to the steelframe top, the storehouse body bottom is installed in weighing module top through multiunit column foot support, spherical tank installs in the internal portion of storehouse, a left support pipe is installed to spherical tank left side level, spherical tank right side symmetry is provided with a right support pipe, left side support pipe and right support pipe all run through the storehouse body to the external portion of storehouse, the speed reducer is installed to left side support pipe in the external one end of storehouse body, the speed reducer is connected with the motor, motor and speed reducer fixed mounting are in the external portion of storehouse, a feeding ball valve is installed on the right support pipe in the external portion of storehouse, right support pipe outer end is connected with first connecting hose, first connecting hose and jetting pipeline intercommunication, storehouse body bottom is provided with the export, storehouse body bottom export is connected with the flue top.
Preferably, a pulse dust collector is arranged at the top of the bin body, and an exhaust fan is arranged on the pulse dust collector.
Preferably, two groups of hanging rods are arranged at the top end of the flue at the outlet of the bottom of the bin body, a guide plate is fixedly arranged below the hanging rods, the guide plate is arranged right below the outlet of the bottom of the bin body, and the guide plate is semicircular in shape.
Preferably, one end of the left supporting tube is fixedly connected with the spherical tank in a sealing way. The left support pipe is connected with the bin body through a bearing, the right support pipe is connected with the spherical tank through a bearing, and the right support pipe is fixedly connected with the bin body in a sealing way.
Preferably, soft temperature-resistant dustproof sealing rings are arranged at the sealing positions of the bearing outer ring between the left supporting pipe and the bin body, the bearing outer ring between the right supporting pipe and the spherical tank and the sealing positions between the right supporting pipe and the bin body.
Preferably, a plurality of heating ring belts are arranged on the outer surface of the spherical tank, and a plurality of heating pipes are arranged outside the cone hopper at the bottom of the bin body.
Preferably, the petal type adjusting door and the star-shaped ash discharging valve are sequentially arranged at the outlet of the bottom of the bin body, and the opening of the bottom of the star-shaped ash discharging valve is communicated with the flue through a second connecting hose.
Preferably, the wall plate of the spherical tank consists of a punching plate, and a plurality of groups of holes are formed in the punching plate.
Preferably, a tangential nozzle is arranged at the elbow of the blowing pipeline, and the nozzle is connected with the pneumatic control electromagnetic valve through a pneumatic hose.
In summary, the utility model has the following beneficial effects:
1. the main equipment is arranged above the flue, combines the functions of temporary storage and weighing of materials, reduces the use configuration requirements of the Roots blower, the metering scale and the venturi tube, and avoids the phenomena of returning materials and ash leakage after the pipeline is blocked.
2. In the utility model, the lime hydrate powder starts pulse blowing from the elbow of the blowing pipeline in the feeding process of the blowing pipeline, so that the flow of the powder is assisted, and the blocking phenomenon is reduced.
3. The slaked lime powder is temporarily stored in the spherical tank, the spherical tank always rotates, the slaked lime powder is forced to roll in the spherical tank, the large objects are crushed under the action of gravity by the self weight, and the sufficiently fine particles are sieved out through holes in the wall plate of the spherical tank and fall into the cone hopper of the bin body. Meanwhile, the spherical tank and the bin body cone hopper heat slaked lime powder, which is higher than room temperature, so that the influence of indoor water vapor on slaked lime powder is reduced, and the hardening phenomenon is reduced.
4. The star-shaped ash discharge valve in the utility model keeps a normally open state, and when in discharging, the petal type adjusting door is opened, so that superfine slaked lime powder can fall into a flue and is not easy to block.
5. After the slaked lime powder falls into the flue, the slaked lime powder is distributed on the semicircular arc plates to two sides, and the semicircular arc plates flow along the flue gas, so that the flue gas and the powder can be uniformly mixed and reacted.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the spherical tank according to the present utility model;
FIG. 3 is a schematic view of the sealing structure between the right support tube and the cartridge body in the present utility model;
FIG. 4 is a schematic view of the structure of the flue in the present utility model;
FIG. 5 is a schematic view of a blowing pipe according to the present utility model;
in the figure: the device comprises a 1-flue, a 2-steel frame, a 3-bin body, a 4-spherical tank, a 5-pulse dust collector, a 6-exhaust fan, a 7-motor, an 8-speed reducer, a 9-left supporting pipe, a 10-heating pipe, an 11-right supporting pipe, a 12-feeding ball valve, a 13-first connecting hose, a 14-column base, a 15-weighing module, a 16-petal type adjusting door, a 17-star-shaped ash discharging valve, a 18-second connecting hose, a 19-heating annular belt, a 20-temperature-resistant dustproof sealing ring, a 21-suspender, a 22-deflector, a 23-jetting pipeline, a 24-nozzle, a 25-pneumatic hose and a 26-gas control electromagnetic valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a high-efficient anti-blocking powder metering and conveying device as shown in fig. 1 to 5, including the storehouse body 3, the steelframe 2, flue 1, spherical tank 4 and jetting pipeline 23, weighing module 15 is installed to steelframe 2 top, storehouse body 3 bottom is installed in weighing module 15 top through multiunit column foot 14 support, the whole storehouse body 3 of weighing through weighing module 15 is measured and is weighed, spherical tank 4 installs in storehouse body 3 inside, spherical tank 4 left side horizontal installation has a left support pipe 9, spherical tank 4 right side symmetry is provided with a right support pipe 11, left side support pipe 9 and right support pipe 11 all run through storehouse body 3 to storehouse body 3 outside, left side support pipe 9 is installed speed reducer 8 in storehouse body 3 outside one end, speed reducer 8 is connected with motor 7, motor 7 and speed reducer 6 fixed mounting are outside storehouse body 3, during the feeding, motor 7 and speed reducer 8 drive spherical tank 4 and do rotary motion, install a feeding ball valve 12 outside storehouse body 3 on right support pipe 11, right support pipe 11 outer end is connected with first connecting hose 13, the bottom of the first connecting hose 13 can be connected with spherical tank 3, the jetting pipeline 23, the bottom is connected with the bottom of the first hose 13, the duct is connected with the blowing pipeline 3, the bottom is connected with the spherical tank 3, the bottom is connected with the duct 13, the bottom is connected with the blowing pipeline 3.
The top of the bin body 3 is provided with a pulse dust collector 5, and the pulse dust collector 5 is provided with an exhaust fan 6 for keeping the pressure in the bin body 3 balanced.
Two groups of hanging rods 21 are arranged at the top end of the flue 1 at the outlet of the bottom of the bin body 3, a guide plate 22 is fixedly arranged below the hanging rods 21, the guide plate 22 is arranged right below the outlet of the bottom of the bin body 3, the guide plate 22 is in a semicircular arc shape, and powder is guaranteed to be rapidly and uniformly spread to two sides after falling from the upper part.
One end of the left supporting tube 9 is fixedly connected with the spherical tank 4 in a sealing way. The left support pipe 9 is connected with the bin body 3 through a bearing, the right support pipe 11 is connected with the spherical tank 4 through a bearing, and the right support pipe 11 is fixedly connected with the bin body 3 in a sealing way, so that the motor 7 drives the left support pipe 9 to rotate with the spherical tank 4, and the right support pipe 11 is fixedly installed.
Soft temperature-resistant dustproof sealing rings 20 are arranged at the sealing positions of the bearing outer ring between the left supporting pipe 9 and the bin body 3, the bearing outer ring between the right supporting pipe 11 and the spherical tank 4 and the sealing positions between the right supporting pipe 11 and the bin body 3.
The outer surface of the spherical tank 4 is provided with a plurality of heating ring belts 19, the outer part of the cone hopper at the bottom of the bin body 3 is provided with a plurality of heating pipes 10, and the heating is carried out to keep the temperature of the nearby surface within the range of 40-80 ℃ and not more than 100 ℃.
The petal type adjusting door 16 and the star-shaped ash discharging valve 17 are sequentially arranged at the outlet of the bottom of the bin body 3, so that quantitative blanking and air closing are performed, and the opening of the bottom of the star-shaped ash discharging valve 17 is communicated with the flue 1 through a second connecting hose 18.
The wall plate of the spherical tank 4 consists of a punching plate, a plurality of groups of holes are formed in the punching plate, the mesh number of the holes meets the use requirement of slaked lime powder, and the slaked lime powder can be discharged outwards through holes in the punching plate during feeding and then discharged into the atmosphere through the pulse dust collector 5 so as to keep the pressure balance in the bin body 3.
The elbow of the jetting pipeline 23 is provided with a tangential nozzle 24, the nozzle 24 is connected with a pneumatic control electromagnetic valve 26 through a pneumatic hose 25, the pneumatic control electromagnetic valve 26 controls the jetting time and pressure of the nozzle 24, and pulse jetting is performed in turn in a circulating mode, so that blockage is effectively prevented.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a high-efficient anti-blocking powder metering and conveying device, its characterized in that, including the storehouse body, steelframe, flue, spherical tank and jetting pipeline, weighing module is installed to the steelframe top, the storehouse body bottom is installed in weighing module top through multiunit column foot support, the spherical tank is installed in the internal portion of storehouse, a left support pipe is installed to spherical tank left side level, spherical tank right side symmetry is provided with a right support pipe, left side support pipe and right support pipe all run through the storehouse body to the external portion of storehouse, the speed reducer is installed to left side support pipe in the external one end of storehouse, the speed reducer is connected with the motor, motor and speed reducer fixed mounting are in the external portion of storehouse, right side support pipe is gone up in the external portion of storehouse and is installed a feed ball valve, right side support pipe outer end is connected with first connecting hose, first connecting hose and jetting pipeline intercommunication, storehouse body bottom is provided with the export, storehouse body bottom export is connected with the flue top.
2. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the top of the bin body is provided with a pulse dust collector, and the pulse dust collector is provided with an exhaust fan.
3. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: two groups of hanging rods are arranged at the top end of the flue at the outlet of the bottom of the bin body, a guide plate is fixedly arranged below the hanging rods, the guide plate is arranged right below the outlet of the bottom of the bin body, and the guide plate is semicircular in shape.
4. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the left support pipe is connected with the spherical tank in a sealing and fixed mode, the left support pipe is connected with the bin body through a bearing, the right support pipe is connected with the spherical tank through a bearing, and the right support pipe is connected with the bin body in a sealing and fixed mode.
5. The efficient anti-blocking powder metering and conveying device according to claim 4, wherein: soft temperature-resistant dustproof sealing rings are arranged at the sealing positions of the bearing outer ring between the left supporting pipe and the bin body, the bearing outer ring between the right supporting pipe and the spherical tank and the sealing positions between the right supporting pipe and the bin body.
6. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the outer surface of the spherical tank is provided with a plurality of heating ring belts, and the outside of the cone hopper at the bottom of the bin body is provided with a plurality of heating pipes.
7. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the outlet of the bottom of the bin body is sequentially provided with a petal type adjusting door and a star-shaped ash discharging valve, and the opening of the bottom of the star-shaped ash discharging valve is communicated with the flue through a second connecting hose.
8. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the wall plate of the spherical tank consists of a punching plate, and a plurality of groups of holes are formed in the punching plate.
9. The efficient anti-blocking powder metering and conveying device according to claim 1, wherein: the elbow of the blowing pipeline is provided with a tangential nozzle, and the nozzle is connected with the pneumatic control electromagnetic valve through a pneumatic hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775568.1U CN220264399U (en) | 2023-07-07 | 2023-07-07 | Efficient anti-blocking powder metering and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775568.1U CN220264399U (en) | 2023-07-07 | 2023-07-07 | Efficient anti-blocking powder metering and conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220264399U true CN220264399U (en) | 2023-12-29 |
Family
ID=89318976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321775568.1U Active CN220264399U (en) | 2023-07-07 | 2023-07-07 | Efficient anti-blocking powder metering and conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220264399U (en) |
-
2023
- 2023-07-07 CN CN202321775568.1U patent/CN220264399U/en active Active
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