CN220567257U - Special material negative pressure feeding system during garbage incineration - Google Patents
Special material negative pressure feeding system during garbage incineration Download PDFInfo
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- CN220567257U CN220567257U CN202322281841.1U CN202322281841U CN220567257U CN 220567257 U CN220567257 U CN 220567257U CN 202322281841 U CN202322281841 U CN 202322281841U CN 220567257 U CN220567257 U CN 220567257U
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- negative pressure
- feeding
- special material
- discharge end
- feeding system
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- 239000000463 material Substances 0.000 title claims abstract description 29
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000002912 waste gas Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 239000002920 hazardous waste Substances 0.000 abstract description 2
- 239000011344 liquid material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 5
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Incineration Of Waste (AREA)
Abstract
The utility model provides a special material negative pressure feeding system during msw incineration, is including being provided with the negative pressure case that opens the door and being located the feeding weighing system of negative pressure incasement, and the feeding weighing system is located the position of opening the door of negative pressure case, and the feeding weighing system discharge end passes through feeding pipeline switching valve and a plurality of power pump intercommunication, and the discharge end of power pump passes through the surplus many conveying pipeline intercommunication of pipeline switching valve, and the negative pressure case still communicates with exhaust treatment device through the draught fan. The utility model has the advantages that 1, the utility model is suitable for feeding special liquid materials, especially toxic and harmful hazardous wastes; 2. the feeding is smooth, continuous and controllable; 3. the structure is simple, safe and efficient; 4. the material selecting method is multiple, and the service life of the equipment system is guaranteed.
Description
Technical Field
The utility model relates to the technical field of household garbage treatment, in particular to a special material negative pressure feeding system during garbage incineration.
Background
In recent years, the production amount of various kinds of garbage is more and more, the traditional landfill means is replaced by more and more incineration processes, the harmless and reduced effects of incineration are remarkable, meanwhile, the heat supply or power generation of coal can be replaced, the achievement of the ambitious goal of carbon peak is facilitated, however, various kinds of incinerators always have feeding accidents when facing certain dangerous wastes, especially combustible and explosive materials, easy reaction, toxic malodor and other materials, such as spontaneous combustion, poisoning of reactants, deterioration reaction of reactants and the like, and the operation safety is seriously influenced; domestic garbage incineration enterprises conduct various researches on the pain point, an advanced feeding system such as SMP and the like is developed, in addition, patent CN215175098U mentions a feeding plate structure driven by a motor group as a power source for dangerous waste incineration, and adopts a mode that four driving motors which are distributed are adopted to drive one feeding plate respectively, so that the power distribution is uniform, and the feeding stability of the feeding plate is ensured; the patent CN217816786U provides a dangerous waste feeding mode with a buffer weighing hopper, a two-stage plugboard door and adopting a hydraulic cylinder to drive pushing; the lack of cooling of the feed hopper in front of the furnace easily causes the feed hopper to be heated and deformed, and affects the pushing of the hydraulic cylinder; the dangerous waste feeding mode has advantages, but can not be used for toxic malodorous materials and easily-reacted materials.
Aiming at the material feeding difficulty, the utility model aims to solve the following problems: (1) continuous and uniform, adjustable speed; (2) negative pressure in the whole process ensures that waste does not overflow; (3) The whole process is airtight, and the waste is ensured not to contact with reaction media such as water vapor, air and the like.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a negative pressure feeding system for special materials in garbage incineration.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a special material negative pressure feeding system during msw incineration, is including being provided with the negative pressure case that opens the door and being located the feeding weighing system of negative pressure incasement, and the feeding weighing system is located the position of opening the door of negative pressure case, and the feeding weighing system discharge end passes through feeding pipeline switching valve and a plurality of power pump intercommunication, and the discharge end of power pump passes through the surplus many conveying pipeline intercommunication of pipeline switching valve, and the negative pressure case still communicates with exhaust treatment device through the draught fan.
Further, the number of the induced draft fans is two, and the air inlet ends are respectively arranged on the vertical side wall of the side of the negative pressure box, which is opened.
Further, the air outlet ends of the induced draft fans are respectively provided with one-way valves.
Further, the wind discharged by the induced draft fan finally enters the combustion furnace.
Further, the discharge end of the conveying pipeline is communicated with the feeding port of the combustion furnace.
Further, the pipeline at the check valve part is also provided with a fire-proof valve.
Through the arrangement, the utility model has the following characteristics:
1. the method is suitable for feeding special liquid materials, especially toxic and harmful hazardous wastes; 2. the feeding is smooth, continuous and controllable; 3. the structure is simple, safe and efficient; 4. the material selecting method is multiple, and the service life of the equipment system is guaranteed.
Drawings
The utility model will now be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
As shown in fig. 1, a special material negative pressure feeding system during garbage incineration comprises a negative pressure box 1 provided with a door and a feeding weighing system 2 positioned in the negative pressure box 1, wherein the feeding weighing system 2 is in the prior art, for example, a weight sensor, a flow sensor and a flow rate sensor can be adopted, a non-contact type weight sensor is preferred in consideration of actual material conditions, and further, the sensor can be arranged on a special steel frame, so that a material barrel can be inverted conveniently;
the feeding weighing system 2 is positioned at the door opening part of the negative pressure box 1, the discharge end of the feeding weighing system 2 is communicated with a plurality of power pumps 4 through a feeding pipeline switching valve 3, pipelines can be provided with a plurality of pipelines made of different materials, preferably PTFE (polytetrafluoroethylene) pipelines and 304 stainless steel pipelines with stronger universality are selected, such as strong acid and strong alkali organic corrosiveness selectable PTFE pipelines, a common material with temperature can be 304 stainless steel pipelines, spray guns connected with the pipelines can also be in various structural forms, and straight pipes, spiral type spray guns and the like can be adopted;
the discharge end of the power pump 4 is communicated with a plurality of conveying pipelines 6 through a pipeline switching valve 5, the power pump 4 can be connected in parallel in a multiple pump structure mode, pumps of each structure can be distinguished according to different materials, and according to the characteristics of the materials, preferably, a diaphragm pump, a screw pump and a centrifugal pump can be adopted;
the negative pressure box 1 is also communicated with the waste gas treatment device through an induced draft fan 7, the discharge end of the conveying pipeline 6 is communicated with the feed inlet of the combustion furnace 9, and the air exhausted by the induced draft fan 7 finally enters the combustion furnace 9.
The number of the induced draft fans 7 is two, the air inlet ends are respectively arranged on the vertical side wall of the side of the negative pressure box 1 where the door is opened, the air outlet ends of the induced draft fans 7 are respectively provided with one-way valves 8, the induced draft fans 7 are made of two different materials, a standby mode is adopted to ensure that waste gas of the materials does not damage blades of the induced draft fans, and preferably, the induced draft fans can be made of 304 stainless steel and glass fiber reinforced plastic;
the pipeline at the position of the one-way valve 8 is also provided with a fire damper 10, and waste gas is introduced into the tail of the combustion furnace 9 for burning, so that the flame at the tail of the kiln is prevented from being sprayed back;
in addition, it should be noted that all electrical components in the negative pressure conveying chamber (namely, the negative pressure box 1) are of an explosion-proof design, and meanwhile, a toxic inflammable gas detector is arranged, an exceeding automatic audible and visual alarm is generated, a pipeline cleaning system is arranged, and after conveying is completed, a pipeline is automatically cleaned, so that material residues in the pipeline are avoided.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (6)
1. The utility model provides a special material negative pressure feed system during msw incineration, is including being provided with negative pressure case (1) that open the door and being located feeding weighing system (2) in negative pressure case (1), its characterized in that: the feeding weighing system (2) is located at the door opening part of the negative pressure box (1), the discharge end of the feeding weighing system (2) is communicated with the plurality of power pumps (4) through the feeding pipeline switching valve (3), the discharge end of each power pump (4) is communicated with the plurality of conveying pipelines (6) through the pipeline switching valve (5), and the negative pressure box (1) is communicated with the waste gas treatment device through the induced draft fan (7).
2. A special material negative pressure feeding system for refuse incineration according to claim 1, wherein: the number of the induced draft fans (7) is two, and the air inlet ends are respectively arranged on the vertical side wall of the side of the negative pressure box (1) where the door is opened.
3. A special material negative pressure feeding system for refuse incineration according to claim 1, wherein: the air outlet end of the induced draft fan (7) is respectively provided with a one-way valve (8).
4. A special material negative pressure feeding system for refuse incineration according to claim 1, wherein: the wind discharged by the induced draft fan (7) finally enters the combustion furnace (9).
5. A special material negative pressure feeding system for refuse incineration according to claim 4, wherein: the discharge end of the conveying pipeline (6) is communicated with the feed inlet of the combustion furnace (9).
6. A special material negative pressure feeding system for refuse incineration according to claim 3, wherein: the pipeline at the part of the one-way valve (8) is also provided with a fire-proof valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281841.1U CN220567257U (en) | 2023-08-23 | 2023-08-23 | Special material negative pressure feeding system during garbage incineration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281841.1U CN220567257U (en) | 2023-08-23 | 2023-08-23 | Special material negative pressure feeding system during garbage incineration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220567257U true CN220567257U (en) | 2024-03-08 |
Family
ID=90101891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281841.1U Active CN220567257U (en) | 2023-08-23 | 2023-08-23 | Special material negative pressure feeding system during garbage incineration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220567257U (en) |
-
2023
- 2023-08-23 CN CN202322281841.1U patent/CN220567257U/en active Active
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