CN215808510U - Microwave thermal analysis device containing organic waste salt - Google Patents
Microwave thermal analysis device containing organic waste salt Download PDFInfo
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- CN215808510U CN215808510U CN202220014626.8U CN202220014626U CN215808510U CN 215808510 U CN215808510 U CN 215808510U CN 202220014626 U CN202220014626 U CN 202220014626U CN 215808510 U CN215808510 U CN 215808510U
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Abstract
The utility model discloses a microwave thermal desorption device containing organic waste salt, wherein a thermal insulation shell of the device encloses a microwave thermal desorption reaction chamber, and the outer wall of the thermal insulation shell is connected with a microwave magnetron through a waveguide; the material conveyor is arranged in the heat-insulating shell and used for providing a material receiving and conveying working surface; and the stirring blade of the vibration stirrer is arranged close to the working surface of the material conveyor, and is parallel to the running direction of the material conveyor. The thermal desorption temperature is low, the equipment does not form a ring, and the pipeline does not cake; the device is internally provided with the vibration stirrer, so that the materials are heated more uniformly, and the removal rate of organic matters is high; microwave multi-stage thermal analysis has high heating efficiency and saves more energy than the traditional burning method or high-temperature melting method; the device is high in integration level and small in occupied area, skid-mounted combination and portable movement can be achieved, and the scene requirement of distributed disposal is met.
Description
Technical Field
The utility model belongs to the technical field of waste salt treatment, and particularly relates to a microwave thermal analysis device for waste salt containing organic matters.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the production process of complex chemical products, a large amount of industrial waste salt is generated, the main component of the waste salt is sodium chloride, the waste salt contains impurity salts such as sulfate, phosphate, nitrate and the like, and also contains a large amount of organic matters which are complex in components and difficult to remove, strong pungent odor is easily released, and the waste salt is generally required to be used as dangerous waste to enter a rigid landfill for landfill treatment. Although the high-temperature melting treatment can completely remove the organic matters in the waste salt at the temperature of 800-1200 ℃, the problems of equipment ring formation, pipeline caking and the like are easily caused, the generated molten salt and treatment residues are usually difficult to separate, and the flue gas entrainment can cause the increase of the investment cost of secondary purification and is not beneficial to the long-period standard discharge.
Disclosure of Invention
In view of the problems of the prior art and the method, the utility model aims to provide a microwave thermal analysis device for waste salt containing organic matters.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a microwave thermal desorption device containing organic waste salt comprises a thermal insulation shell, a microwave thermal desorption reaction chamber, a microwave magnetron and a microwave heating device, wherein the outer wall of the thermal insulation shell is connected with the microwave magnetron through a waveguide;
the material conveyor is arranged in the heat-insulating shell and used for providing a material receiving and conveying working surface;
and the stirring blade of the vibration stirrer is arranged close to the working surface of the material conveyor, and is parallel to the running direction of the material conveyor.
The above one or more embodiments of the present invention achieve the following advantageous effects:
the waste salt containing organic matters is heated and analyzed in a microwave mode, so that organic matters in the waste salt can be analyzed at a lower temperature, the waste salt without the organic matters can directly enter an ionic membrane caustic soda device for resource utilization, and the problems of equipment ring formation and pipeline caking can be avoided during low-temperature thermal analysis.
The stirring paddle leaf of vibration agitator is close to the working face setting of material conveyer, can carry out intensive mixing to containing organic matter waste salt to guarantee that waste salt is by even heating, and then guarantee that the organic matter in the waste salt is fully analyzed out.
The stirring paddle of vibration agitator is parallel with the traffic direction of material conveyer, and because stirring paddle's thickness is less, it is less to the hindrance effect of waste salt, and then can not influence the normal transport of waste salt.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural view of a microwave thermal desorption apparatus containing organic waste salts according to example 1 of the present invention;
FIG. 2 is a schematic structural view of a microwave thermal analyzer containing waste salts of organic substances in example 2 of the present invention.
In the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a microwave thermal desorption reaction chamber, 2, a material conveyer, 3, a material conveying driving motor, 4, a driving roll shaft, 5, a driven roll shaft, 6, a supporting leg, 7, a material baffle, 8, a solid material inlet, 9, an air inlet, 10, a temperature sensor, 11, a vibration stirrer, 12, a vibration stirring driving motor, 13, a vibration stirrer connecting rod, 14, stirring paddle, 15, microwave magnetron, 16, microwave waveguide, 17, first solid material outlet, 18, thermal desorption waste gas outlet, 19, heat preservation shell, 20, communicating pipe, A1, low-temperature thermal desorption area, A2, medium-temperature thermal desorption area, A3, high-temperature thermal desorption area, 1-1, first microwave thermal desorption reaction chamber, 1-2, second microwave thermal desorption reaction chamber, 17-2, second solid material outlet, 18-2 and thermal desorption waste gas outlet.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
A microwave thermal desorption device containing organic waste salt comprises a thermal insulation shell, a microwave thermal desorption reaction chamber, a microwave magnetron and a microwave heating device, wherein the outer wall of the thermal insulation shell is connected with the microwave magnetron through a waveguide;
the material conveyor is arranged in the heat-insulating shell and used for providing a material receiving and conveying working surface;
and the stirring blade of the vibration stirrer is arranged close to the working surface of the material conveyor, and is parallel to the running direction of the material conveyor.
The device is high in integration level and small in occupied area, skid-mounted combination and portable movement can be achieved, and the scene requirement of distributed disposal is met.
In some embodiments, the top of the thermal insulation shell is provided with a solid feed inlet, an air inlet and a pyrolysis waste gas outlet, wherein the solid feed inlet and the air inlet are positioned on the same side of the thermal insulation shell, and the pyrolysis waste gas outlet is positioned on the opposite side.
Contain inside organic matter waste salt and the air lets in the heat preservation casing at the same side of heat preservation casing, carries out thermal analysis under the effect of microwave heating, and oxygen concentration is higher in the air under this kind of condition, improves the treatment effect to containing organic matter waste salt more easily.
Thermal analysis waste gas outlet is located the opposite side, and under the pressure of the air that lets in, the waste gas that thermal analysis produced flows to the opposite side more easily, and then flows out from thermal analysis waste gas outlet, can effectively reduce the dilution of thermal analysis waste gas to the oxygen in the thermal analysis environment, and then guarantee the treatment effect to containing organic matter waste salt better.
Further, the solid material outlet is arranged at the bottom of the heat preservation shell and is positioned on the same side with the thermal desorption waste gas outlet.
In some embodiments, the inside of the heat-insulating shell is provided with a low-temperature thermal desorption area, a medium-temperature thermal desorption area and a high-temperature thermal desorption area from the material inlet end to the material outlet end in sequence.
Furthermore, microwave magnetrons are arranged in the low-temperature thermal analysis area, the medium-temperature thermal analysis area and the high-temperature thermal analysis area, and the microwave efficiency is sequentially increased.
The temperature in the low-temperature thermal analysis area is low, the organic matters which are easy to thermally analyze and are in the waste salt can be analyzed, the organic matters which are difficult to thermally analyze at low temperature can be analyzed in the medium-temperature thermal analysis area, and the organic matters which are difficult to analyze can be analyzed in the high-temperature thermal analysis area. By adopting microwave multi-stage thermal analysis, the treatment efficiency of the waste salt can be ensured, and the energy consumption can be effectively reduced.
Furthermore, temperature sensors are arranged in the low-temperature thermal desorption area, the medium-temperature thermal desorption area and the high-temperature thermal desorption area.
The temperature of each thermal analysis area is convenient to detect, and the temperature of each thermal analysis area is convenient to monitor, so that the thermal analysis efficiency is ensured.
In some embodiments, the vibration agitator includes a driving motor, a link assembly and a stirring blade assembly, the link assembly includes a main link and a plurality of branch links, one end of the main link is connected with one end of each branch link, and the other end of the main link is connected with the driving motor;
the other end of each branch connecting rod is provided with a stirring blade which is distributed at different positions of the working surface of the material conveyor.
Because the agitator is the vibration agitator, its stirring range is limited, so set up a plurality of stirring paddle leaf, be convenient for carry out the intensive mixing with waste salt.
In some embodiments, the material conveyor is a slat conveyor or a belt conveyor.
Furthermore, a driving roll shaft and a driven roll shaft of the material conveyor are respectively positioned at two ends inside the heat-insulating shell.
Furthermore, a material baffle is arranged between the feeding end of the material conveyor and the heat-insulating shell to prevent waste salt from falling between the material conveyor and the heat-insulating shell in the blanking process.
Furthermore, baffles are arranged between two sides of the material conveyor and the heat insulation shell in a butting way or between two sides of the material conveyor and the heat insulation shell so as to prevent the waste salt from sliding off the material conveyor.
Example 1
As shown in fig. 1, a microwave thermal analysis device containing organic waste salt, including microwave thermal analysis reaction chamber 1, microwave magnetron 15, microwave waveguide 16, material conveyer 2, vibration agitator 11, supporting leg 6 and material baffle 7, microwave magnetron 15 sets up on microwave thermal analysis reaction chamber 1 top wall through microwave waveguide 16, and material conveyer 2 sets up inside microwave thermal analysis reaction chamber 1, and supporting leg 6 sets up the both sides at microwave thermal analysis reaction chamber 1 bottom wall, and material conveyer 2 is connected with microwave thermal analysis reaction chamber 1 bottom wall through supporting leg 6, and vibration agitator 11 sets up between material conveyer 2 and microwave thermal analysis reaction chamber 1 top wall, material baffle 7 sets up between material conveyer 2 and microwave thermal analysis reaction chamber 1 top wall.
The internal cavity of the microwave thermal desorption reaction chamber 1 is rectangular, and the microwave thermal desorption reaction chamber 1 is provided with a solid feeding hole 8, a solid discharging hole 17, an air inlet 9, a thermal desorption waste gas outlet 18 and a temperature sensor 10. The microwave thermal desorption reaction chamber 1 comprises a low-temperature thermal desorption region A1, a medium-temperature thermal desorption region A2 and a high-temperature thermal desorption region A3 which are arranged along the material moving direction, wherein the material moving direction is the direction in which the material moves from a solid feeding hole 8 to a solid discharging hole 17, the length of the low-temperature thermal desorption region A1 along the material moving direction accounts for 10% -30% of the total length of the microwave thermal desorption reaction chamber 1, the length of the medium-temperature thermal desorption region A2 along the material moving direction accounts for 20% -40% of the total length of the microwave thermal desorption reaction chamber 1, and the length of the high-temperature thermal desorption region A3 along the material moving direction accounts for 20% -40% of the total length of the microwave thermal desorption reaction chamber 1; the air inlet 9 is positioned in the low-temperature thermal desorption region A1 and is adjacent to the solid feed inlet 8, and the thermal desorption waste gas outlet 18 is positioned in the high-temperature thermal desorption region A3 and is arranged on the top wall surface of the microwave thermal desorption reaction chamber 1; the microwave magnetrons 15 are respectively arranged on the top wall surfaces of the low-temperature thermal analysis area A1, the medium-temperature thermal analysis area A2 and the high-temperature thermal analysis area A3 through microwave waveguides 16, and the number of the microwave magnetrons 15 arranged in the low-temperature thermal analysis area A1, the medium-temperature thermal analysis area A2 and the high-temperature thermal analysis area A3 is not less than 1; the temperature sensors 10 are arranged on the top wall surface of the microwave thermal analysis reaction chamber 1, the temperature sensors 10 are arranged on the top wall surfaces of the low-temperature thermal analysis region A1, the medium-temperature thermal analysis region A2 and the high-temperature thermal analysis region A3, and the number of the temperature sensors 10 arranged on the low-temperature thermal analysis region A1, the medium-temperature thermal analysis region A2 and the high-temperature thermal analysis region A3 is not less than 1.
The temperature of the low-temperature thermal desorption region A1 is controlled to be 150-250 ℃, the temperature of the medium-temperature thermal desorption region A2 is controlled to be 250-400 ℃, and the temperature of the high-temperature thermal desorption region A3 is controlled to be 400-550 ℃.
The relative pressure in the microwave thermal desorption reaction chamber 1 is controlled in the range of-40 kPa to-5 kPa.
The material baffle 7 is located at the initial position of the material moving direction and forms a certain angle with the material moving direction, so that solid materials cannot leak to the bottom of the material conveyor 2, and the solid materials are conveyed in the material moving direction completely.
The vibration stirrer 11 comprises a vibration stirring driving motor 12, a vibration stirrer connecting rod 13 and stirring blades 14, the vibration stirring driving motor 12 is connected with the vibration stirrer connecting rod 13, and the vibration stirrer connecting rod 13 is connected with the stirring blades 14.
The material conveyor 2 is a chain plate conveyor, and a driving roller shaft and a driven roller shaft of the material conveyor 2 are respectively arranged at two ends of the microwave thermal desorption reaction chamber 1.
The microwave thermal desorption reaction chamber 1 is provided with a heat-insulating shell.
The number (or length) of the microwave thermal desorption reaction chambers 1 can be reasonably adjusted according to the material properties, the treatment capacity, the requirements of field installation sites and the like.
Example 2
As shown in fig. 2, the microwave thermal desorption reaction chamber 1 is vertically combined and includes a first microwave thermal desorption reaction chamber 1-1 and a second microwave thermal desorption reaction chamber 1-2, the first microwave thermal desorption reaction chamber 1-1 is located above the second microwave thermal desorption reaction chamber 1-2, the first microwave thermal desorption reaction chamber 1-1 and the second microwave thermal desorption reaction chamber 1-2 are connected by a communicating pipe 20, and the first microwave thermal desorption reaction chamber 1-1 and the second microwave thermal desorption reaction chamber 1-2 are respectively provided with a microwave magnetron 15, a microwave waveguide 16, a material conveyor 2, support legs 6, a material baffle 7 and a temperature sensor 10.
Specifically, the first microwave thermal desorption reaction chamber 1-1 is further provided with a solid feeding hole 8 and an air inlet 9, and the second microwave thermal desorption reaction chamber 1-2 is further provided with a solid discharging hole 17-2 and a pyrolysis waste gas outlet 18-2.
Specifically, the microwave thermal desorption reaction chamber 1 comprises a low-temperature thermal desorption region a1, a medium-temperature thermal desorption region a2 and a high-temperature thermal desorption region A3 which are arranged along a material moving direction, wherein the material moving direction is a direction in which a material moves from a solid feeding port 8 to a solid discharging port 17-2, the length of the low-temperature thermal desorption region a1 along the material moving direction accounts for 25% of the total length of the microwave thermal desorption reaction chamber 1, the length of the medium-temperature thermal desorption region a2 along the material moving direction accounts for 40% of the total length of the microwave thermal desorption reaction chamber 1, and the length of the high-temperature thermal desorption region A3 along the material moving direction accounts for 35% of the total length of the microwave thermal desorption reaction chamber 1; the air inlet 9 is positioned in the low-temperature thermal desorption region A1 and is adjacent to the solid feed inlet 8, and the pyrolysis waste gas outlet 18 is positioned in the high-temperature thermal desorption region A3 and is arranged on the top wall surface of the microwave thermal desorption reaction chamber 1; the microwave magnetrons 15 are respectively arranged on the top wall surfaces of the low-temperature thermal analysis area A1, the medium-temperature thermal analysis area A2 and the high-temperature thermal analysis area A3 through microwave waveguides 16, the number of the microwave magnetrons 15 arranged on the low-temperature thermal analysis area A1, the number of the medium-temperature thermal analysis area A2 and the number of the high-temperature thermal analysis area A3 are respectively 15, 25 and 30, the power of each single magnetron is 1kW, and the cooling mode is water cooling; the temperature sensors 10 are arranged on the top wall surface of the microwave thermal analysis reaction chamber 1, the temperature sensors 10 are arranged on the top wall surfaces of the low-temperature thermal analysis region a1, the medium-temperature thermal analysis region a2 and the high-temperature thermal analysis region A3, and the number of the temperature sensors 10 arranged on the low-temperature thermal analysis region a1, the medium-temperature thermal analysis region a2 and the high-temperature thermal analysis region A3 is 2.
Specifically, the temperature of the low-temperature thermal desorption region A1 is 200-.
Specifically, the relative pressure in the microwave thermal resolution reaction chamber 1 is controlled within the range of-35 kPa to-10 kPa.
Specifically, the material conveyor 2 is a belt conveyor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A microwave thermal desorption device containing organic waste salt is characterized in that: the heat preservation shell is enclosed into a microwave thermal desorption reaction chamber, and the outer wall of the heat preservation shell is connected with a microwave magnetron through a waveguide;
the material conveyor is arranged in the heat-insulating shell and used for providing a material receiving and conveying working surface;
and the stirring blade of the vibration stirrer is arranged close to the working surface of the material conveyor, and is parallel to the running direction of the material conveyor.
2. The microwave thermal desorption apparatus for organic waste salts according to claim 1, characterized in that: the top of the heat preservation shell is provided with a solid feeding hole, an air inlet and a thermal desorption waste gas outlet, wherein the solid feeding hole and the air inlet are positioned on the same side of the heat preservation shell, and the thermal desorption waste gas outlet is positioned on the opposite side.
3. The microwave thermal desorption apparatus for organic waste salts according to claim 1, characterized in that: the interior of the heat-insulating shell is sequentially provided with a low-temperature thermal desorption area, a medium-temperature thermal desorption area and a high-temperature thermal desorption area from a material inlet end to a material outlet end.
4. The microwave thermal desorption apparatus for organic waste salts according to claim 3, characterized in that: microwave magnetrons are arranged in the low-temperature thermal desorption area, the medium-temperature thermal desorption area and the high-temperature thermal desorption area, and the microwave efficiency is increased in sequence.
5. The microwave thermal desorption apparatus for organic waste salts according to claim 3, characterized in that: and temperature sensors are arranged in the low-temperature thermal desorption area, the medium-temperature thermal desorption area and the high-temperature thermal desorption area.
6. The microwave thermal desorption apparatus for organic waste salts according to claim 1, characterized in that: the vibration stirrer comprises a driving motor, a connecting rod assembly and a stirring blade assembly, wherein the connecting rod assembly comprises a main connecting rod and a plurality of branch connecting rods, one end of the main connecting rod is connected with one end of each branch connecting rod, and the other end of the main connecting rod is connected with the driving motor;
the other end of each branch connecting rod is provided with a stirring blade which is distributed at different positions of the working surface of the material conveyor.
7. The microwave thermal desorption apparatus for organic waste salts according to claim 1, characterized in that: the material conveyor is a chain plate conveyor or a belt conveyor.
8. The microwave thermal desorption apparatus for organic waste salts according to claim 7, characterized in that: and a driving roll shaft and a driven roll shaft of the material conveyor are respectively positioned at two ends inside the heat-insulating shell.
9. The microwave thermal desorption apparatus for organic waste salts according to claim 7, characterized in that: and a material baffle is arranged between the feed end of the material conveyor and the heat-insulating shell.
10. The microwave thermal desorption apparatus for organic waste salts according to claim 7, characterized in that: baffles are arranged between two sides of the material conveyor and the heat preservation shell in a butting way or between two sides of the material conveyor and the heat preservation shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220014626.8U CN215808510U (en) | 2022-01-06 | 2022-01-06 | Microwave thermal analysis device containing organic waste salt |
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| CN202220014626.8U CN215808510U (en) | 2022-01-06 | 2022-01-06 | Microwave thermal analysis device containing organic waste salt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508755A (en) * | 2022-04-21 | 2022-05-17 | 北京创臻环境技术有限公司 | Organic solid waste self-heating type low-temperature pyrolysis equipment |
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2022
- 2022-01-06 CN CN202220014626.8U patent/CN215808510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508755A (en) * | 2022-04-21 | 2022-05-17 | 北京创臻环境技术有限公司 | Organic solid waste self-heating type low-temperature pyrolysis equipment |
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