CN221122234U - Feeding device for medical waste pyrolysis incinerator - Google Patents
Feeding device for medical waste pyrolysis incinerator Download PDFInfo
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- CN221122234U CN221122234U CN202322870503.1U CN202322870503U CN221122234U CN 221122234 U CN221122234 U CN 221122234U CN 202322870503 U CN202322870503 U CN 202322870503U CN 221122234 U CN221122234 U CN 221122234U
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- bin
- medical waste
- valve
- feeding device
- pyrolysis incinerator
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 47
- 239000002906 medical waste Substances 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000012423 maintenance Methods 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005536 corrosion prevention Methods 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 abstract description 9
- 238000002309 gasification Methods 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000005465 channeling Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 238000004321 preservation Methods 0.000 description 6
- 239000002920 hazardous waste Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a medical waste pyrolysis incinerator is with feed arrangement, it locates pyrolysis incinerator top, including locating pyrolysis incinerator top in proper order: the device comprises a flap valve, a straight bin, a sealed flap valve and an inclined bin; the side wall of the straight bin is provided with a negative pressure fan; the medical waste storage bin is characterized in that a hopper cover plate is arranged at the top of the inclined bin, an opening mechanism is arranged on one side of the hopper cover plate, a transfer box is arranged on the opening side of the inclined bin, and a lifting system is arranged between the transfer box and the medical waste storage box. The feeding device can suck the smoke into the combustion chamber through the negative pressure fan under abnormal working conditions, and the smoke is prevented from channeling outwards, so that the purpose of protecting the environment can be achieved; meanwhile, the flap valve can play a good sealing role, so that heat loss and the like caused by loose sealing are avoided; the vertical feeding is adopted, so that sectional feeding can be realized, and the conditions that normal operation cannot be realized due to accumulation of materials and the like can be avoided while normal pyrolysis gasification is ensured.
Description
[ Field of technology ]
The utility model belongs to the field of medical waste treatment equipment, and relates to a feeding device, in particular to a feeding device for a medical waste pyrolysis incinerator.
[ Background Art ]
With the progress of society, the number and variety of medical waste and hazardous waste are increasing, and have attracted extensive attention to society and people. While the unreasonable disposal of medical waste and hazardous waste can jeopardize the health of humans, in the long run, the ecological environment in which humans survive will be severely destroyed.
Medical waste and hazardous waste are now becoming prominent public nuisances worldwide, and the development of centralized management and comprehensive disposal of hazardous waste is urgent to reduce and eliminate pollution.
The existing incinerator is generally used for incinerating medical waste and dangerous waste. The following conditions can occur when the incinerator is used for incinerating medical waste and dangerous waste: 1. the hearth runs under negative pressure, and under abnormal working conditions, the incinerator is under positive pressure, and incineration smoke can flow out of the incinerator, so that the incinerator is harmful to the environment and people; 2. the existing incinerator is generally sealed by a cover, so that heat loss is easy to cause, and the cover of the pyrolysis furnace is easy to damage after long-time high-temperature operation, so that the maintenance cost is increased; 3. after the existing feed inlet feeds, the materials can be accumulated and the like, so that the production is forced to stop, and normal production cannot be realized.
In view of this, it is necessary to provide an incineration device for solving the above-described problems.
[ utility model ]
In order to solve the problems, the utility model provides the feeding device for the medical waste pyrolysis incinerator, which can suck the smoke into the combustion chamber through the negative pressure fan under abnormal working conditions, and avoid the smoke from channeling outwards, so that the aim of protecting the environment can be fulfilled; meanwhile, the flap valve has a good sealing effect, so that heat loss and the like caused by loose sealing are avoided, and meanwhile, the heat insulation layer is arranged in the flap valve, so that the flap valve can work at 650 ℃ for a long time while heat loss is avoided, and the maintenance cost is saved; the vertical feeding is adopted, so that sectional feeding can be realized, and the conditions that normal operation cannot be realized due to accumulation of materials and the like can be avoided while normal pyrolysis gasification is ensured.
The utility model is realized through the following technical scheme, and provides a feeding device for a medical waste pyrolysis incinerator, which is arranged at the top of the pyrolysis incinerator and comprises: the device comprises a flap valve, a straight bin, a sealed flap valve and an inclined bin;
The flap valve includes: the valve body is arranged at the top of the pyrolysis incinerator, a fireproof heat-insulating layer is arranged on the inner wall of the valve body, hydraulic pushing rods are symmetrically arranged on two sides of the valve body, the end part of each hydraulic pushing rod is movably connected with a turning arm, each turning arm stretches into the corresponding turning plate valve and is vertically connected with a rotating shaft, the rotating shafts are connected with one valve plate, the two valve plates drive the rotating shafts to open and close under the action of the hydraulic pushing rods through the turning arms, the heat-insulating layer is arranged on one side, facing the pyrolysis incinerator, of each valve plate, a stainless steel wire net is arranged below the heat-insulating layer, the stainless steel wire net can protect the heat-insulating layer, and the heat-insulating layer cannot be damaged after long-time work is ensured;
the straight bin is vertically arranged above the valve body, and a negative pressure fan is arranged on the side wall of the straight bin;
the sealing flap valve is arranged above the straight bin;
The inclined bin is arranged at the top of the dense flap valve, a hopper cover plate is arranged at the top of the inclined bin, an opening mechanism is arranged on one side of the hopper cover plate, a transfer box is arranged on the opening side of the inclined bin, and a lifting system is arranged between the transfer box and the medical waste storage box.
In particular, the straight bin, the sealing flap valve, the inclined bin and the hopper cover plate are all made of carbon steel, so that the use requirement can be met, the cost can be saved, and in the utility model, the inside of the straight bin is subjected to corrosion prevention treatment in order to prevent the medical waste from being corroded to shorten the service life of the straight bin, and meanwhile, the cross section of the straight bin is rectangular.
In particular, two split valve plates in the sealing flap valve are made of steel plates with yield strength not lower than 345MPa and thickness not lower than 10mm so as to ensure rigidity, certain medical wastes can be stored above the valve plates after the valve plates are closed to play a role in sealing, and meanwhile, in order to further improve the sealing effect, the clearance between the two split valve plates after the valve plates are closed is not more than 0.5mm.
In particular, in the utility model, the included angle between the inclined plane of the inclined bin and the vertical direction is smaller than 30 degrees in consideration of factors such as the repose angle of the material, and the inner wall of the inclined bin is subjected to corrosion prevention treatment after being subjected to pretreatment of coating, so that the smooth downward movement of the material can be ensured, and the requirement of material corrosion resistance on the inner surface is ensured.
Particularly, the top of the inclined feed bin is provided with a groove which is matched with the hopper cover plate, and the groove can be tightly combined with the hopper cover plate when the hopper cover plate is closed, so that the sealing effect is achieved, and the fume is further prevented from being scattered outwards.
In particular, after the hopper cover plate is opened, the included angle between the hopper cover plate and the inclined bin is 90 degrees, and the included angle between the hopper cover plate and the inclined bin is limited after the hopper cover plate is opened, so that the problem that the hopper cover plate cannot be closed smoothly due to excessive opening can be avoided, and meanwhile, a blocking effect can be achieved on materials input by the transfer box, and the influence on the environment caused by scattering of the materials is avoided.
In particular, when the negative pressure fan works, a stainless steel wire net is arranged between the negative pressure fan and the bin wall of the straight bin in order to prevent materials from being sucked.
In particular, after long-time work, it is necessary to overhaul the feeding device, since the pyrolysis incinerator has a certain height, for easy overhaul, it further comprises: the maintenance support body is arranged on one side of the feeding device and made of steel, and when the maintenance is performed, maintenance staff can complete the maintenance of the feeding device through a ladder platform formed by the maintenance support body.
Compared with the prior art, the utility model provides the feeding device for the medical waste pyrolysis incinerator, which has the following beneficial effects:
1. the flap valve can play a role in heat preservation, heat insulation and sealing, so that heat loss can be avoided, heat generated by pyrolysis and gasification can be recovered to the greatest extent, and meanwhile, the flap valve can prevent incineration flue gas generated by pyrolysis and gasification from being dispersed to pollute the environment;
2. When the flap valve is opened, the negative pressure fan can suck the scattered incineration flue gas into the rear end of the secondary combustion chamber under negative pressure, so that the sectional oxygen supply low-nitrogen combustion can be realized, and meanwhile, the multipoint oxygen supply, the full mixing of the flue gas and the air and the full combustion are realized;
3. The top of the sealing flap valve can store certain materials, the sealing effect of the materials and the sealing flap valve can be further improved, and further, the smoke emitted by the pyrolysis incinerator can be completely sucked into the rear end of the secondary combustion chamber by the negative pressure fan, so that the smoke is prevented from entering the environment to pollute the environment;
4. Can promote medical waste to the transfer box through hoist mechanism to overturn medical waste to oblique feed bin through the transfer box upset, and get into straight feed bin along sealed upset board, finally get into pyrolysis gasification in the pyrolysis incinerator, whole realization sectional type gets into, and the circumstances of material pile-up can not appear, thereby can ensure pyrolysis incinerator normal operating.
In summary, the utility model provides the feeding device which is safe and reliable, has no smoke leakage and no air leakage in the whole-course negative pressure working condition, and has the advantages of simple structure, convenient operation, lower manufacturing cost and the like.
[ Description of the drawings ]
FIG. 1 is a schematic view showing the structure of a feeding device for a medical waste pyrolysis incinerator according to the present utility model;
fig. 2 is a schematic structural view of a flap valve in a feeding device for a medical waste pyrolysis incinerator according to the present utility model.
In the attached drawings, a 1-pyrolysis incinerator, a 2-flap valve, a 21-valve body, a 22-valve plate, a 23-refractory heat-insulating layer, a 24-hydraulic push rod, a 25-turning arm, a 26-rotating shaft, a 27-heat-insulating layer, a 28-stainless steel wire net, a 3-straight bin, a 4-sealing flap valve, a 5-inclined bin, a 6-negative pressure fan, a 7-hopper cover plate, an 8-opening mechanism, a 9-lifting system and a 10-transfer box are arranged.
[ Detailed description ] of the invention
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Referring to fig. 1-2, the present utility model provides a feeding device for a medical waste pyrolysis incinerator, which is disposed at the top of the pyrolysis incinerator 1, comprising: a flap valve 2, a straight bin 3, a sealing flap valve 4 and an inclined bin 5 which are made of carbon steel.
Wherein, the flap valve 2 can prevent that the valve body from overheated and avoid heat loss, and this flap valve 2 adopts special steel and fire-resistant insulation material to compound to form with the one side that pyrolysis incinerator 1 contacted, specifically, flap valve 2 includes: the valve body 21, two valve plates 22, the valve body 21 locates pyrolysis incinerator 1 top, and its inner wall is equipped with fire-resistant heat preservation 23, just valve body 21 bilateral symmetry is equipped with hydraulic push rod 24, and a turning arm 25 of this hydraulic push rod 24 tip swing joint, this turning arm 25 stretches into in the turning valve 2 and connects a rotation axis 26 perpendicularly, connect a valve plate 22 on the rotation axis 26, two valve plates 22 drive rotation axis 26 through turning arm 25 and realize opening and closing under the effect of hydraulic push rod 24, just valve plate 22 is equipped with heat preservation 27 towards one side of pyrolysis incinerator 1, is equipped with stainless steel wire net 28 below heat preservation 27, and the valve body 21 that combines heat preservation 27 and special steel to make through fire-resistant heat preservation 23 can make pyrolysis incinerator 1 work at 650 ℃ for a long time to maintenance cost has been practiced thrift in avoiding the heat loss.
The straight bin 3 is vertically arranged above the valve body 21, the cross section of the straight bin 3 is rectangular, and the inside of the straight bin is subjected to rust removal and then is subjected to corrosion prevention treatment, in the utility model, the straight bin 3 has a certain height, and the straight bin 3 always keeps the material existing state when in operation, so that the straight bin can be sealed by means of the material.
In order to avoid under abnormal operating mode, burn the flue gas and scatter into the air along straight feed bin 3, straight feed bin 3 lateral wall is equipped with negative pressure fan 6, in order to avoid negative pressure fan 6 at the during operation, be equipped with stainless steel wire net 28 between the storehouse wall of negative pressure fan 6 and straight feed bin 3, negative pressure fan 6 communicates with two combustion chamber rear ends through the pipeline, so can realize the low nitrogen combustion of segmentation oxygen suppliment, realizes the multiple spot oxygen suppliment simultaneously, makes flue gas and air intensive mixing in two combustion chamber, the intensive combustion.
The sealing flap valve 4 and the flap valve 2 can form a relatively sealed environment, further the scattered flue gas can be completely sucked into the secondary combustion chamber by the negative pressure fan 6, the environment is prevented from being polluted, the sealing flap valve 4 is arranged above the direct storage bin 3, the gap between two opposite valve plates 22 in the sealing flap valve 4 has precision requirements, and meanwhile, the requirements of strength and rigidity are met, and the sealing flap valve 4 and the flap valve 1 with a heat insulation worker realize a relatively sealed environment together.
The utility model discloses a medical waste storage box, including close flap valve 2, the inclined feed bin 5 is located, and this inclined feed bin 5 top is equipped with hopper apron 7, and this hopper apron 7 one side is equipped with opening mechanism 8, and opening mechanism 8 is a push-and-pull hydraulic stem, and it can realize opening and closing of hopper apron 7 under the effect of hydraulic pressure station system, in order to carry the material in the medical waste storage box to the inclined feed bin 5, be equipped with a lift system 9 between inclined feed bin 5 opening side and the bin, the unloading end of this lift system 9 is equipped with a transfer box 10, lift system 9 is a lifting machine, and it can promote the medical waste in the bin to in the transfer box 10, and has a tilting mechanism between transfer box 10 and the inclined feed bin 5, this tilting mechanism can overturn the medical waste in the transfer box 10 to the inclined feed bin 5.
In the utility model, in order to further improve the sealing effect, a groove (not shown in the figure) adapted to the hopper cover plate 7 is provided at the top of the inclined bin 5, and the groove can realize the tight combination of the hopper cover plate 7 and the inclined bin 5 when the hopper cover plate 7 is closed, thereby playing a role in sealing, further preventing the fume from being dispersed, and simultaneously avoiding bacteria and the like in medical waste from entering the air, polluting the environment and endangering the health of staff.
In the utility model, after the hopper cover plate 7 is opened, the included angle between the hopper cover plate 7 and the inclined bin 5 is 90 degrees, and by limiting the included angle between the hopper cover plate 7 and the inclined bin 5 after the hopper cover plate 7 is opened, the problem that the hopper cover plate 7 cannot be smoothly closed due to excessive opening can be avoided, and meanwhile, a blocking effect can be achieved on materials input by the transfer box 10, so that the influence on the environment caused by scattering of the materials is avoided.
In the present utility model, after long-time operation, the feeding device needs to be overhauled, and since the pyrolysis incinerator 1 has a certain height, the device further comprises: the maintenance support body is arranged on one side of the feeding device and made of steel, and when the maintenance is performed, maintenance staff can complete the maintenance of the feeding device through a ladder platform formed by the maintenance support body.
In summary, the utility model solves the problems of material clamping, blockage, smoke leakage, environmental pollution and the like of the pyrolysis incinerator during working. This feeding device for medical waste pyrolysis gasification system, it locates pyrolysis incinerator top, through the lifting system, make medical waste and hazardous waste carry to transfer case 10 in, and through the upset, pour into oblique feed bin 5, directly get into pyrolysis incinerator after sealed flap valve 4, straight feed bin 3 and flap valve 2, in straight feed bin well upper portion set up negative pressure fan 6, can guarantee that the feed bin is in the negative pressure state always, even there is the flue gas to spill over from the lower part, also can be taken away by negative pressure fan 6, and has simple structure, convenient operation, advantages such as safe and environment-friendly.
Claims (8)
1. A feeding device for a medical waste pyrolysis incinerator, which is provided at the top of the pyrolysis incinerator, comprising: the device comprises a flap valve, a straight bin, a sealed flap valve and an inclined bin;
The flap valve includes: the device comprises a valve body and two valve plates, wherein the valve body is arranged at the top of a pyrolysis incinerator, a fireproof heat-insulating layer is arranged on the inner wall of the valve body, hydraulic push rods are symmetrically arranged on two sides of the valve body, the end parts of the hydraulic push rods are movably connected with a turning arm, the turning arm stretches into the turning valve and is vertically connected with a rotating shaft, the rotating shaft is connected with the valve plates, the two valve plates drive the rotating shaft to open and close under the action of the hydraulic push rods through the turning arm, the heat-insulating layer is arranged on one side of the valve plate facing the pyrolysis incinerator, and a stainless steel wire net is arranged below the heat-insulating layer;
the straight bin is vertically arranged above the valve body, and a negative pressure fan is arranged on the side wall of the straight bin;
the sealing flap valve is arranged above the straight bin;
The inclined bin is arranged at the top of the dense flap valve, a hopper cover plate is arranged at the top of the inclined bin, an opening mechanism is arranged on one side of the hopper cover plate, a transfer box is arranged on the opening side of the inclined bin, and a lifting system is arranged between the transfer box and the medical waste storage box.
2. The feeding device for the medical waste pyrolysis incinerator according to claim 1, wherein the straight bin, the sealing flap valve, the inclined bin and the hopper cover plate are all made of carbon steel, the section of the straight bin is rectangular, and corrosion prevention is carried out inside the straight bin.
3. The feeding device for the medical waste pyrolysis incinerator according to claim 1, wherein two split valve plates in the sealing flap valve are made of steel plates with yield strength not lower than 345MPa and thickness not lower than 10mm, and a gap between the two split valve plates after closing is not greater than 0.5mm.
4. The feeding device for the medical waste pyrolysis incinerator according to claim 1, wherein an included angle between an inclined plane of the inclined bin and the vertical direction is smaller than 30 degrees, and the inner wall of the inclined bin is subjected to corrosion prevention treatment.
5. The feeding device for the medical waste pyrolysis incinerator according to claim 1, wherein a groove which is matched with a hopper cover plate is formed in the top of the inclined bin.
6. The feeding device for a medical waste pyrolysis incinerator according to claim 1, wherein an included angle between the hopper cover plate and the inclined bin is 90 degrees after the hopper cover plate is opened.
7. The feeding device for the medical waste pyrolysis incinerator according to claim 1, wherein a stainless steel wire mesh is arranged between the negative pressure fan and the bin wall of the straight bin.
8. The feeding device for a medical waste pyrolysis incinerator according to claim 1, further comprising: and the overhaul and maintenance frame body is arranged on one side of the feeding device and is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870503.1U CN221122234U (en) | 2023-10-25 | 2023-10-25 | Feeding device for medical waste pyrolysis incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870503.1U CN221122234U (en) | 2023-10-25 | 2023-10-25 | Feeding device for medical waste pyrolysis incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221122234U true CN221122234U (en) | 2024-06-11 |
Family
ID=91374737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322870503.1U Active CN221122234U (en) | 2023-10-25 | 2023-10-25 | Feeding device for medical waste pyrolysis incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221122234U (en) |
-
2023
- 2023-10-25 CN CN202322870503.1U patent/CN221122234U/en active Active
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