CN211290079U - Energy-saving treatment equipment for recovering catalyst containing waste precious metals - Google Patents
Energy-saving treatment equipment for recovering catalyst containing waste precious metals Download PDFInfo
- Publication number
- CN211290079U CN211290079U CN201922254299.4U CN201922254299U CN211290079U CN 211290079 U CN211290079 U CN 211290079U CN 201922254299 U CN201922254299 U CN 201922254299U CN 211290079 U CN211290079 U CN 211290079U
- Authority
- CN
- China
- Prior art keywords
- roasting furnace
- furnace body
- energy
- flue gas
- treatment equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a waste precious metal-containing catalyst recovery energy-saving treatment device, which comprises a roasting furnace component, a cyclone dust collector, a first fan, a hot blast furnace and a secondary combustion chamber, wherein the roasting furnace component comprises a roasting furnace body, a feeding device, a discharging device and a driving device, one end of the roasting furnace body is a feeding end and is connected with the feeding device, and the other end opposite to the roasting furnace body is a discharging end and is connected with the discharging device; the feeding end of the roasting furnace body is also provided with a high-temperature flue gas outlet, and the high-temperature flue gas outlet is sequentially connected with a cyclone dust collector, a first fan, a hot blast furnace and a second combustion chamber through pipelines; an air return pipe is arranged in the roasting furnace body in a penetrating manner, and the air return pipe is connected with the hot blast stove at the feed end through a pipeline, so that the flue gas is recycled, and the energy is saved and the emission is reduced.
Description
Technical Field
The utility model relates to a noble metal catalyst recovery processing technology field, more specifically relate to a contain useless noble metal catalyst and retrieve energy-conserving treatment facility.
Background
At present, a high-temperature roasting system is generally adopted for recovering waste noble metal catalysts, and generally comprises a roasting furnace, a secondary combustion chamber, a flue gas quenching tower, a dry-method deacidification tower, a bag-type dust collector, a wet-method deacidification tower and other equipment, wherein auxiliary fuel is added into the roasting furnace and the secondary combustion chamber in the system to maintain fuel required for roasting the thermal oxidation of flue gas organic matters, the heat of the high-temperature flue gas after roasting and burning is not recycled, but the high-temperature flue gas directly enters a subsequent flue gas treatment system in a cooling mode, the flue gas entering the flue gas treatment system has large flue gas amount, and the defects of large tail gas treatment facility, high operation cost, high investment cost and the like are.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a flue gas recirculation and energy-saving and emission-reducing contain useless precious metal catalyst and retrieve energy-conserving treatment facility.
The utility model discloses the technological effect that will reach is realized through following scheme: a treatment device containing waste noble metal catalyst for recycling and energy saving comprises a roasting furnace component, a cyclone dust collector, a first fan, a hot blast furnace and a secondary combustion chamber, wherein the roasting furnace component comprises a roasting furnace body, a feeding device, a discharging device and a driving device; the feeding end of the roasting furnace body is also provided with a high-temperature flue gas outlet, and the high-temperature flue gas outlet is sequentially connected with a cyclone dust collector, a first fan, a hot blast furnace and a second combustion chamber through pipelines; an air return pipe is arranged in the roasting furnace body in a penetrating manner, and the air return pipe is connected with the hot blast stove at the feed end through a pipeline.
Preferably, the inner side wall of the roasting furnace body is also fixedly connected with a plurality of material raising plates.
Preferably, the material lifting plates are distributed in the roasting furnace body at intervals.
Preferably, the air return pipe penetrates through the center of the roasting furnace body, and the air return pipe extends from the feeding end to the discharging end.
Preferably, the flue gas outlet end of the second combustion chamber is further sequentially connected with a water-cooling cyclone dust collector, a semi-dry type absorption device, a second bag-type dust collector, an induced draft fan, a washing tower and a chimney through pipelines.
Preferably, the roasting furnace assembly further comprises a second fan, and the second fan is communicated with the discharge end of the roasting furnace body.
Preferably, the roasting furnace assembly further comprises a plurality of pedestals, and the pedestals are formed at the lower end of the roasting furnace assembly and are used for supporting and fixing the roasting furnace assembly and enabling the feeding end of the roasting furnace body to be higher than the discharging end of the roasting furnace body.
Preferably, the roasting furnace further comprises a natural gas conveying device, and the natural gas conveying device is communicated with the roasting furnace body, the hot blast stove and the secondary combustion chamber.
The utility model has the advantages of it is following:
1. high-temperature flue gas is refluxed into the roasting furnace body from the hot blast furnace, so that the high-temperature flue gas is further in direct contact with the waste precious metal catalyst to roast and desorb organic matters in the waste precious metal catalyst, and meanwhile, the heat radiation of the high-temperature flue gas can also improve the recovery, roasting and desorption efficiency of the waste precious metal catalyst;
2. high-temperature flue gas is recycled to enter the roasting furnace to carry out pyrolysis desorption on the waste noble metal catalyst in the roasting furnace, and auxiliary fuel is not added into the roasting furnace. A small amount of flue gas generated in the roasting process enters a tail gas treatment system for treatment, so that tail gas treatment facilities are smaller, the operation cost is lower, the investment cost is lower, the flue gas index is stable, and the amount of flue gas exhausted into the atmosphere is greatly reduced;
3. the treatment equipment of the utility model has reliable and stable performance, energy saving and consumption reduction, and the exhaust emission reaches the standard;
4. the utility model discloses a treatment facility is simple, the fault rate is low, easily popularizes and applies, and is energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic structural view of an energy-saving treatment apparatus for recovering waste noble metal-containing catalyst in the present invention;
fig. 2 is a schematic view of the sectional structure of the roasting furnace assembly in the energy-saving treatment equipment for recovering the catalyst containing the waste noble metal.
Detailed Description
The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and 2, an embodiment of the present invention provides a processing apparatus containing waste precious metal catalyst for recycling energy, including a roasting furnace assembly 100, a cyclone 200, a first fan 300, a hot blast furnace 400 and a second combustion chamber 500, wherein the roasting furnace assembly 100 includes a roasting furnace body 110, a feeding device 120, a discharging device 130 and a driving device 140, one end of the roasting furnace body 110 is a feeding end a and is connected with the feeding device 120, and the other end of the roasting furnace body 110 opposite to the feeding end a is a discharging end B and is connected with the discharging device 130; the feed end a of the roasting furnace body 110 is further provided with a high-temperature flue gas outlet 150, and the high-temperature flue gas outlet 150 is sequentially connected with a cyclone dust collector 200, a first fan 300, a hot blast furnace 400 and a second combustion chamber 500 through a pipeline (in order to simplify the structure shown in the figure, the pipeline or pipeline of the utility model adopts a solid line connecting line with an arrow as a schematic representation); still wear to be equipped with return air duct 160 in roasting furnace body 110, return air duct 160 passes through the pipe connection at feed end A and hot-blast furnace 400 to make the high temperature flue gas that hot-blast furnace 400 came out enter into return air duct 160 from feed end A through the pipeline, can utilize the high temperature flue gas after going out to flow back to roasting furnace body 110 in, make the high temperature flue gas further with useless noble metal catalyst direct contact calcination desorption organic matter in the useless noble metal catalyst, the heat radiation of high temperature flue gas also can improve the efficiency of the recovery calcination desorption of useless noble metal catalyst simultaneously.
Specifically, the air return pipe 160 penetrates through the center of the roasting furnace body 110, the air return pipe 160 extends from the feed end a to the discharge end B, and the high-temperature flue gas coming out of the air return pipe 160 can be in full contact with the waste precious metal catalyst in the reverse direction in the roasting furnace body 110, so that organic matters in the waste catalyst can be removed by roasting and pyrolysis; then, the high-temperature flue gas is discharged from the high-temperature flue gas outlet 150, subjected to dust removal and separation, enters the hot blast stove 400, is heated, and then continuously circulates to the roasting furnace body 110. In the circulation process of the high-temperature flue gas between the hot blast stove 400 and the roasting furnace body 110, as organic matters in the waste precious metal catalyst are pyrolyzed and combusted to generate a large amount of or excessive flue gas, the large amount of or excessive flue gas generated in the production process must enter a tail gas treatment system for comprehensive circulation treatment, so that the amount of the recirculated high-temperature flue gas and the amount of the exhausted flue gas are balanced.
As a further improvement, the roasting furnace body 110 is still fixedly connected with a plurality of lifting blade 170 on the inside wall, the lifting blade 170 is used for improving the material stirring in the roasting furnace body 110 and improving the roasting efficiency. The material raising plates 170 may be distributed in the roasting furnace body 110 at intervals.
The roaster assembly 100 further comprises a second fan 180, the second fan 180 is in communication with the discharge end B of the roaster body 110, and the second fan 180 is configured to introduce air into the roaster body 110 to sufficiently combust the material with sufficient oxygen.
The processing equipment further comprises a natural gas conveying device 600, wherein the natural gas conveying device 600 is communicated with the roasting furnace body 110, the hot blast stove 400 and the secondary combustion chamber 500 and is used for conveying natural gas into the roasting furnace body 110, the hot blast stove 400 and the secondary combustion chamber 500, and the natural gas is used as fuel for combustion.
The utility model discloses in, the flue gas outlet end of second combustion chamber 500 still has connected gradually water-cooling cyclone 10, semi-dry absorbing device 20, dry absorbing device 30, second sack cleaner 40, draught fan 50, scrubbing tower 60 and chimney 70 through the pipeline to realize a whole set of tail gas processing system. It should be understood that the specific structure of cyclone 200, hot-blast stove 400, second combustion chamber 500, water-cooling cyclone 10, semi-dry absorbing device 20, dry absorbing device 30, second sack cleaner 40 and scrubbing tower 60 can adopt the conventional structure in the prior art, the utility model discloses do not do specific limit and give unnecessary details.
The utility model discloses in roast stove subassembly 100 still includes a plurality of base 190, base 190 forms and is used for supporting the fixed stove subassembly 100 of roasting and makes the feed end A of roasting stove body 110 be higher than the discharge end B of roasting stove body 110 of roasting over a furnace at the lower extreme of roasting stove subassembly 100 to do benefit to the material ejection of compact after baking up.
The utility model discloses a contain useless precious metal catalyst and retrieve energy-conserving treatment facility adopts high temperature flue gas recirculation to get into and bakes burning furnace and carries out the pyrolysis desorption to useless precious metal catalyst in the burning furnace, no longer adds auxiliary fuel in burning furnace. A small amount of flue gas generated in the roasting process enters a tail gas treatment system for treatment, tail gas treatment facilities are smaller, the operation cost is lower, the investment cost is lower, the flue gas index is stable, and the amount of flue gas exhausted into the atmosphere is greatly reduced. The utility model discloses a treatment facility dependable performance is stable, energy saving and consumption reduction, and exhaust emissions is up to standard to 24 tons/day useless precious metal catalyst rotary kiln calcination is retrieved as the example, adopts high temperature flue gas recirculation calcination technique, and the system natural gas consumption reduces 1560Nm3/d, and outer discharge flue gas volume reduces 800Nm3/h, and the power consumption reduces 50 KW/h. The utility model discloses a treatment facility is simple, the fault rate is low, easily popularizes and applies, and is energy-concerving and environment-protective.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The energy-saving treatment equipment for recycling the catalyst containing the waste noble metal is characterized by comprising a roasting furnace component, a cyclone dust collector, a first fan, a hot blast furnace and a secondary combustion chamber, wherein the roasting furnace component comprises a roasting furnace body, a feeding device, a discharging device and a driving device; the feeding end of the roasting furnace body is also provided with a high-temperature flue gas outlet, and the high-temperature flue gas outlet is sequentially connected with a cyclone dust collector, a first fan, a hot blast furnace and a second combustion chamber through pipelines; an air return pipe is arranged in the roasting furnace body in a penetrating manner, and the air return pipe is connected with the hot blast stove at the feed end through a pipeline.
2. The waste precious metal-containing catalyst recovery energy-saving treatment equipment according to claim 1, wherein a plurality of material raising plates are fixedly connected to the inner side wall of the roasting furnace body.
3. The energy-saving treatment equipment for recovering the catalyst containing the waste noble metals according to claim 2, wherein the material raising plates are distributed in the roasting furnace body in a spaced arrangement.
4. The waste precious metal-containing catalyst recovery energy-saving treatment equipment according to claim 1, wherein the return air pipe is arranged in the center of the roasting furnace body, and the return air pipe extends from the feeding end to the discharging end.
5. The waste precious metal-containing catalyst recovery energy-saving treatment equipment according to claim 1, wherein the flue gas outlet end of the secondary combustion chamber is further connected with a water-cooled cyclone dust collector, a semi-dry type absorption device, a second bag-type dust collector, an induced draft fan, a washing tower and a chimney in sequence through pipelines.
6. The energy-saving treatment equipment for recycling catalyst containing waste noble metals according to claim 1, wherein the roasting furnace assembly further comprises a second fan, and the second fan is communicated with the discharge end of the roasting furnace body.
7. The apparatus for energy-saving treatment of catalyst containing waste noble metals for recycling according to claim 1, wherein the roasting furnace assembly further comprises a plurality of pedestals formed at the lower end of the roasting furnace assembly for supporting and fixing the roasting furnace assembly and making the feeding end of the roasting furnace body higher than the discharging end of the roasting furnace body.
8. The energy-saving treatment equipment for recovering the waste noble metal-containing catalyst according to claim 1, further comprising a natural gas conveying device, wherein the natural gas conveying device is communicated with the roasting furnace body, the hot blast stove and the secondary combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254299.4U CN211290079U (en) | 2019-12-16 | 2019-12-16 | Energy-saving treatment equipment for recovering catalyst containing waste precious metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254299.4U CN211290079U (en) | 2019-12-16 | 2019-12-16 | Energy-saving treatment equipment for recovering catalyst containing waste precious metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211290079U true CN211290079U (en) | 2020-08-18 |
Family
ID=72022525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922254299.4U Active CN211290079U (en) | 2019-12-16 | 2019-12-16 | Energy-saving treatment equipment for recovering catalyst containing waste precious metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211290079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975965A (en) * | 2021-10-11 | 2022-01-28 | 生态环境部南京环境科学研究所 | Recovery unit of rare noble metal of abandonment vanadium titanium denitration catalyst |
-
2019
- 2019-12-16 CN CN201922254299.4U patent/CN211290079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113975965A (en) * | 2021-10-11 | 2022-01-28 | 生态环境部南京环境科学研究所 | Recovery unit of rare noble metal of abandonment vanadium titanium denitration catalyst |
| CN113975965B (en) * | 2021-10-11 | 2022-11-01 | 生态环境部南京环境科学研究所 | Recovery unit of rare precious metal of abandonment vanadium titanium denitration catalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211290079U (en) | Energy-saving treatment equipment for recovering catalyst containing waste precious metals | |
| CN114562876A (en) | Electric heating cement clinker sintering system and method | |
| CN209726512U (en) | Conduction oil heating system | |
| CN112146086A (en) | Numerical control energy-saving environment-friendly multifunctional heating furnace and combustion treatment method | |
| CN212833932U (en) | Belt roasting and SCR denitration system | |
| CN211847164U (en) | Activated carbon production equipment | |
| CN220507738U (en) | Device for collecting waste heat of electric forging furnace by utilizing heat transfer oil heat exchange | |
| CN207702506U (en) | Small-sized air heating furnace deashing device | |
| CN219713993U (en) | Special biomass gasification combustion furnace for aluminum melting furnace | |
| CN210663959U (en) | Flue gas heat exchange device of zinc oxide high-temperature reduction furnace | |
| CN205878208U (en) | Cooling of green cremation machine tail gas, heat transfer, dust removal economizer | |
| CN208765508U (en) | A kind of gas furnace with residual heat using device | |
| CN215113649U (en) | Novel waste heat utilization drying system | |
| CN219368430U (en) | Heat accumulating type oxidation furnace with dust removal function | |
| CN217978862U (en) | Energy-saving and environment-friendly device of gas furnace and energy-saving gas furnace thereof | |
| CN216620693U (en) | Energy-saving and environment-friendly device for convection section of synthetic ammonia converter | |
| CN101968307B (en) | Thermal energy utilization system of reverberatory furnace | |
| CN217057512U (en) | Sectional combustion system for hearth of circulating fluidized bed boiler | |
| CN214612670U (en) | Quenching oil gas reburning type water purification heat treatment equipment | |
| CN208058867U (en) | A kind of heat accumulating type incinerator | |
| CN212777410U (en) | Novel five room RTO catalytic combustion equipment | |
| CN220708113U (en) | Flue gas waste heat recycling system of large kiln | |
| CN208704479U (en) | A kind of smoke processing system of novel flash metallurgical plant | |
| CN219531692U (en) | Near zero emission system for deep utilization of tail gas of silicomanganese ore heating furnace | |
| CN212511232U (en) | Waste gas treatment device based on zeolite concentration rotating wheel and heat storage incineration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |