CN110763017A - Novel environmental protection electromagnetic induction formula vacuum cleaning stove - Google Patents
Novel environmental protection electromagnetic induction formula vacuum cleaning stove Download PDFInfo
- Publication number
- CN110763017A CN110763017A CN201910687254.8A CN201910687254A CN110763017A CN 110763017 A CN110763017 A CN 110763017A CN 201910687254 A CN201910687254 A CN 201910687254A CN 110763017 A CN110763017 A CN 110763017A
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- furnace
- outer cylinder
- assembly
- inner container
- water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
- B08B7/0085—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating by pyrolysis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a novel environment-friendly electromagnetic induction type vacuum cleaning furnace, which comprises an outer cylinder, a furnace bottom plate, a furnace cover assembly, a conveying assembly, a tail gas treatment device, a waste recovery tank and a bracket, wherein the outer cylinder is arranged on the furnace bottom plate; the conveying assembly comprises a workpiece supporting plate, a frame assembly, a roller assembly and a track; the inner furnace container and the thermocouple are arranged in the outer cylinder body; the thermocouple is positioned on the outer side of the furnace inner container; an electromagnetic induction coil is arranged in the furnace inner container; the outer side of the furnace inner container is provided with a heat-insulating layer, one side of the outer cylinder body is fixedly connected with a furnace bottom plate, and the other side of the furnace inner container is connected with a furnace cover assembly through a workpiece supporting plate; the furnace cover assembly is matched with the furnace inner container; the furnace bottom plate is communicated and connected with a tail gas treatment device; the inner side of the furnace cover assembly is connected with one side of the workpiece supporting plate, and the other side of the workpiece supporting plate is connected with the assembly shelf roller; a bracket is connected below the outer cylinder, and the furnace cover assembly is connected with the bracket through a frame assembly; a waste collecting tank is arranged below the outer cylinder body.
Description
Technical Field
The invention relates to the technical field of electromagnetic induction vacuum cleaning furnaces, in particular to a novel environment-friendly electromagnetic induction type vacuum cleaning furnace.
Background
An electromagnetic induction vacuum cleaning furnace is a device which converts electric energy into heat energy by utilizing the principle of frequency conversion electromagnetic induction. The intelligent induction heating power supply rectifies 220V/380V and 50/60Hz alternating current into direct current, then converts the direct current into high-frequency high-voltage electricity with the frequency of 8-30KHz, the high-frequency high-voltage electricity with high-speed change flows through the high-frequency induction coil to generate an alternating magnetic field with high-speed change, and countless small eddy currents can be generated in a metal body when magnetic lines of force in the magnetic field pass through the magnetic conductive metal material, so that the metal material can automatically generate heat at high speed, and workpieces in the metal material charging barrel can be heated and cleaned.
The electromagnetic induction vacuum cleaning furnace comprises an intelligent induction heating system, a PLC control system, a catalytic cracking system, a vacuum system, an atomization system and the like; the main problems of the electromagnetic induction type vacuum cleaning furnace in the prior art are as follows: the speed of workpiece cleaning is slow, and the effect is poor. Therefore, a new electromagnetic induction cleaning furnace is urgently needed to effectively clean workpieces.
Disclosure of Invention
In order to solve the problems, the invention discloses a novel environment-friendly electromagnetic induction type vacuum cleaning furnace which is high in electromagnetic induction heat generation, high in cleaning speed, capable of effectively treating tail gas, energy-saving and environment-friendly.
In order to achieve the above purpose, the invention provides the following technical scheme:
a novel environment-friendly electromagnetic induction type vacuum cleaning furnace comprises an outer cylinder, a furnace bottom plate, a furnace cover assembly, a conveying assembly, a tail gas treatment device, a waste recovery tank and a bracket; the conveying assembly comprises a workpiece supporting plate, a frame assembly, a roller assembly and a track; a furnace inner container and a thermocouple are arranged in the outer cylinder body; the thermocouple is positioned on the outer side of the furnace inner container; an electromagnetic induction coil is arranged in the furnace inner container; the outer side of the furnace inner container is provided with a heat insulation layer, one side of the outer cylinder is fixedly connected with a furnace bottom plate, the other side of the outer cylinder is fixedly connected to the furnace inner container through a side plate, one side of the furnace inner container is positioned in the outer cylinder, and the other side of the furnace inner container penetrates through the side plate and is positioned on the outer side of the outer cylinder; the other side of the furnace inner container is connected with a furnace cover assembly through a workpiece supporting plate; the furnace cover assembly is matched with the furnace inner container; the furnace bottom plate is communicated and connected with a tail gas treatment device; the furnace cover assembly is connected with a handle; the inner side of the furnace cover assembly is connected with one side of the workpiece supporting plate, and the other side of the workpiece supporting plate is connected with the assembly shelf roller; the component shelf roller is positioned in the furnace inner container; the outer side of the furnace cover assembly is connected with a frame assembly, and the frame assembly is connected with a roller assembly; the roller assembly is positioned on a track, and the track is positioned on the bracket; a bracket is connected below the outer cylinder, and the furnace cover assembly is connected with the bracket through a frame assembly; a waste collecting tank is arranged below the outer cylinder body; one side of the waste collecting tank is provided with a collecting tank door, and the collecting tank door is provided with a collecting tank quick-opening device.
Furthermore, a furnace cover balance bolt is connected between the furnace cover assembly and the frame assembly.
Furthermore, the upper part of the outer cylinder body is communicated with a safety valve. The safety valve can quickly release pressure when the pressure in the furnace is too high.
Furthermore, a furnace cover pressing device is arranged on the furnace cover assembly. The pressing device is used for sealing the furnace cover.
Further, the outer cylinder body is connected with a vacuum meter, and the vacuum meter is connected with an air inlet valve. The vacuum gauge is used for detecting the pressure in the furnace.
Further, the tail gas treatment device is a water spraying tail gas treatment device, and the tail gas treatment device comprises a tail gas pipe, a water spraying washer, a water outlet pipe and a water ring vacuum pump; the utility model discloses a water spray washer, including exhaust pipe, furnace bottom plate, water spray washer, water outlet pipe, water ring vacuum pump, be equipped with the check valve on the outlet pipe, the one end of exhaust pipe communicates with each other and connects the stove bottom plate, the other end of exhaust pipe communicates with each other and connects the top of water spray washer, be equipped with the water shower nozzle in the water spray washer, the outlet pipe is connected to the bottom of water spray washer, go out water piping connection water ring vacuum pump, be equipped with the wire net on the outlet pipe, be equipped with. The water spraying type tail gas treatment device is adopted, the treatment speed is high, the tail gas can be quickly absorbed, and the cost is low.
Furthermore, the water spray head is connected with a water storage tank through a water inlet pipe.
Further, the tail gas processing device is a gas type tail gas processing device, the tail gas processing device comprises a tail gas pipe, a burner and a heat accumulator, and the heat accumulator is annular and is located on the outer wall of the outer cylinder. Adopt gas formula tail gas processing apparatus, burn tail gas, retrieve the heat, can effectual utilization tail gas.
The working principle of the invention is as follows: the vacuum cleaning furnace utilizes the characteristics that plastic high molecular polymer can be melted at about 300 ℃, air can be isolated at the temperature higher than 300 ℃, cracking and coking can be realized, various lysates can be generated, and the complete oxidation can be realized at the temperature higher than 400 ℃ under the conditions of proper amount of oxygen and certain vacuum degree. By utilizing the characteristic, the workpiece is heated to about 300 ℃ so that more high molecular polymers on the surface of the workpiece are melted and flow into a waste collecting tank at the lower part; only a small amount of high molecular polymer and ash are left on the surface of the workpiece, the furnace temperature is heated to 400-500 ℃ (the temperature can be set according to the process requirements), a vacuum pump is started, and a proper amount of air is introduced, so that the residual high molecular polymer is fully oxidized, and impurities such as carbon dioxide, water and the like are generated; then, carrying out secondary catalytic treatment on the ash and harmful substances floating in the furnace through a catalytic cracking device by using a vacuum pump; and the water is sprayed and washed by the water spraying washer and then enters the atomizing device through the vacuum pump to be atomized, and then is taken away by water, no polluted gas, smoke and ash are discharged indoors in the whole working process, even the gas discharged outdoors is only a small amount of harmless substances such as carbon dioxide, and most of ash is discharged by water.
The invention has the following beneficial effects: the energy-saving vacuum pump has the advantages of high energy-saving efficiency, high vacuum degree, high thermal efficiency, high temperature uniformity, no need of replacing the heater and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a sectional view of KM direction in fig. 2.
Wherein: 1. a tail gas treatment device; 2. a thermocouple; 3. a furnace floor; 4. an outer cylinder; 5. a furnace inner container; 6. an electromagnetic induction coil; 7. a heat-insulating layer; 8. a safety valve; 9. a workpiece pallet; 10. a furnace cover assembly; 11. a handle; 12. a furnace cover pressing device; 13. an intake valve; 14. a vacuum gauge; 15. an electromagnetic induction control cabinet; 16. a frame assembly; 17. a furnace cover balancing bolt; 18. a roller assembly; 19. a track; 20. a water storage tank; 21. a waste collection tank; 22. a bracket; 23. a component rack roller; 24. a water pressure controller; 25. a water pressure gauge; 26. a flow meter; 27. a water inlet pipe; 28. a water-ring vacuum pump; 29. a water outlet pipe; 30. a check valve; 31. steel wire mesh; 32. a water spray scrubber; 33. a water spray header; 34. a collection tank door; 35. collecting tank quick-opening device.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example 1
As shown in fig. 1-3, the novel environment-friendly electromagnetic induction type vacuum cleaning furnace comprises an outer cylinder 4, a furnace bottom plate 3, a conveying assembly, a furnace cover assembly 10, a tail gas treatment device 1, a waste recovery tank 21 and a bracket 22. The cleaning furnace is of a sealed structure formed by an outer cylinder, a furnace bottom plate and a furnace cover assembly, wherein the furnace cover assembly is connected with the outer cylinder (a furnace inner container on the inner periphery of the outer cylinder) through a conveying assembly, the furnace inner container and the furnace cover assembly can move, a workpiece is conveniently added, the furnace cover and the furnace inner container can be sealed, and effective rapid heating and cleaning are realized. The furnace bottom plate is communicated with and connected with a tail gas treatment device to realize the treatment of waste gas, and the lower part of the outer cylinder body is communicated with and connected with a waste recovery tank to realize the recovery of ash content.
The conveying assembly comprises a workpiece supporting plate 9, a frame assembly 16, a roller assembly 18 and a rail 19. The workpiece is positioned on the workpiece supporting plate, one side of the workpiece supporting plate is fixedly connected with the inner side of the furnace cover, the bottom of the other side of the workpiece supporting plate is connected with the assembly shelf roller, the assembly shelf roller is positioned on the assembly shelf rail, and the shelf is arranged on the inner side of the liner wall of the furnace liner. The conveying assembly realizes rapid feeding and conveying of workpieces. The operation is convenient.
A furnace inner container 5 and a thermocouple 2 are arranged in the outer cylinder body; the thermocouple 2 is positioned outside the furnace inner container 5; an electromagnetic induction coil 6 is arranged in the furnace inner container 5; the outer side of the furnace inner container 5 is provided with a heat preservation layer 7.
A furnace bottom plate 3 is fixedly welded on one side of the outer cylinder 4, the other side of the outer cylinder is fixedly connected to the furnace inner container through a side plate, one side of the furnace inner container is positioned in the outer cylinder, and the other side of the furnace inner container penetrates through the side plate and is positioned on the outer side of the outer cylinder; the other side of the furnace inner container is connected with a furnace cover assembly through a workpiece supporting plate; the workpiece supporting plate penetrates through the furnace inner container; the furnace cover assembly is matched with the furnace inner container; the matching setting is as follows: the furnace inner container and the furnace cover assembly can realize sealing.
The furnace cover assembly is connected with a handle 11; the inner side of the furnace cover assembly is connected with one side of the workpiece supporting plate, and the other side of the workpiece supporting plate is connected with the component shelf roller 23; the outer side of the furnace cover assembly is connected with a frame assembly 16, and the frame assembly 16 is connected with a roller assembly 18; the roller assembly 18 is positioned on the track 19, and the track 19 is positioned on the bracket 22; the lower part of the outer cylinder body is connected with a bracket, and the furnace cover assembly is connected with the bracket through a frame assembly. Be equipped with the stove inner bag in the outer barrel, be equipped with electromagnetic induction coil in the stove inner bag, electromagnetic induction coil passes through thermocouple connection electromagnetic induction switch board 15, realizes controlling electromagnetic induction coil work, realizes going out the high-molecular polymer and the ash content on workpiece surface to the heating of work piece. The bracket plays a role in stabilizing the furnace body.
The furnace bottom plate is communicated and connected with a tail gas treatment device 1; a furnace cover pressing device 12 is arranged on the furnace cover assembly.
A waste collecting tank 21 is arranged below the outer cylinder body; one side of the waste collection tank 21 is provided with a collection tank door 34 on which a collection tank quick-opening device 35 is provided. The waste collection tank is used for collecting ash.
When the furnace is used, a workpiece is arranged on the workpiece supporting plate, then the furnace cover assembly is pushed to convey the workpiece into the outer cylinder (in the furnace inner container), and the furnace cover and the outer cylinder are sealed; and then the work piece is cleaned through the work of the electromagnetic induction coil. The tail gas after washing gets into tail gas processing apparatus and handles, and the ash content gets into waste recycling tank and handles.
In this embodiment, a furnace cover balance bolt 17 is connected between the furnace cover assembly and the frame assembly.
In the embodiment, the upper part of the outer cylinder body is communicated with a safety valve 8. The safety valve can quickly release pressure when the pressure in the furnace is too high.
In this embodiment, the outer cylinder is connected to a vacuum gauge 14, which is connected to the intake valve 13. The vacuum gauge is used for detecting the pressure in the furnace.
In this embodiment, the cleaning furnace further comprises a PLC control system including a water pressure controller 24, a flow meter 26, and a water pressure gauge 25.
In this embodiment, the furnace mouth adopts the high temperature resistant flexible graphite sealing washer, and sealing system can be good.
The furnace body is made of stainless steel, the surface of the stainless steel is polished and subjected to acid pickling passivation treatment, and the surface of the carbon steel is coated with antirust paint after rust removal.
In this embodiment, the tail gas treatment device is a water spray tail gas treatment device, and the tail gas treatment device includes a tail gas pipe 101, a water spray scrubber 32, a water outlet pipe 29, and a water ring vacuum pump 28; the one end of tail gas pipe 101 communicates with each other and connects stove bottom plate 3, the other end of tail gas pipe communicates with each other and connects the top of water spray scrubber 32, be equipped with water shower head 33 in the water spray scrubber 32, outlet pipe 29 is connected to the bottom of water spray scrubber 32, outlet pipe 29 connects water ring vacuum pump 28, be equipped with check valve 30 on the outlet pipe, be equipped with wire net 31 in the water spray scrubber, wire net 31 is located the below of water shower head 33. The water spray head is connected with the water storage tank 20 through a water inlet pipe 27. The water spraying type tail gas treatment device is adopted, the treatment speed is high, the tail gas can be quickly absorbed, and the cost is low.
In other embodiments, the tail gas treatment device is a gas-fired tail gas treatment device, and the tail gas treatment device comprises a tail gas pipe, a burner and a heat accumulator, wherein the heat accumulator is annular and is located on the outer wall of the outer cylinder. Adopt gas formula tail gas processing apparatus, burn tail gas, retrieve the heat, can effectual utilization tail gas.
Example 2
Performance index of example 1
1. The size of the hearth is as follows: 900 x 1200 (diameter x length, unit cm);
2. the external dimension is as follows: 2600 x 1500 x 2200 (length x width x height, unit cm);
3. a working power supply: 380V/220V three-phase four-wire;
4. heating power: 40 KW;
5. vacuum pump power: 4 KW;
6. water inflow: g1', PNO.025MPa or above tap water;
7. draining: g11/2', normal pressure, water temperature 40-50 ℃;
8. design temperature: 800 ℃;
9. working temperature: 500 degrees celsius (adjustable);
10. temperature control precision: +/-1 ℃ C;
11. control system
Intelligent program temperature control, automatic temperature control work of an automatic program temperature controller of Japanese Fuji, no manual intervention is needed in the midway, and automatic shutdown is carried out after the work program is finished;
an over-temperature power-off function;
electromagnetic induction heating: the temperature rise is fast, the control is easy, and the energy is saved;
water supply pressure is detected through a pressure relay under the protection of water cut-off and low water pressure; when water is cut off or the water pressure is lower than a set value, the vacuum pump cannot be started or stopped and an acousto-optic alarm is given;
an explosion-proof device: in order to prevent the internal pressure from being generated under the condition of vacuum loss in the furnace, an explosion-proof valve is arranged at the top of the furnace;
the water backflow prevention function is realized, and a check valve is arranged on a connecting pipeline between the water spraying washer and the vacuum pump; electromagnetic valves are distributed on water supply pipelines of the vacuum pump and the water spraying washer for double protection.
Example 3
Material selection and main component arrangement of the apparatus of example 1
1. Mechanical part
A hearth inner container: heat-resistant stainless steel plate SUS 430; δ =8 mm;
insulating outer cylinder: q235; δ =3 mm;
a waste collection tank: SUS430, δ =3 mm;
water spray washer: SUS430, δ =2 mm;
a water storage tank: SUS430, δ =2 mm;
a heater: electromagnetic induction heating is carried out for 40 Kw;
a vacuum pump: zibo in Shandong, model SZ-63, power 4 Kw;
sealing rings: the flexible carbon packing has the specification of 12 × 12;
a control box: integrated with the furnace body, and the wire is fed in and out; the material is as follows: Q235A cold plate δ =2 mm; specification: 900 x 700 x 300; exterior baking varnish color: computer dust.
2. Electrical component
A temperature controller RXR9-TCY 2;
temperature sensor WRNK-101;
air switch DZ158-100A
Contactor CJX2-1811
Master switch NP2
Indicator light XD2/220V
Button NP2
The terminal row TD.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (8)
1. The utility model provides a novel stove is washd in environmental protection electromagnetic induction formula vacuum which characterized in that: comprises an outer cylinder, a furnace bottom plate, a furnace cover assembly, a conveying assembly, a tail gas treatment device, a waste recovery tank and a bracket; the conveying assembly comprises a workpiece supporting plate, a frame assembly, a roller assembly and a track; a furnace inner container and a thermocouple are arranged in the outer cylinder body; the thermocouple is positioned on the outer side of the furnace inner container; an electromagnetic induction coil is arranged in the furnace inner container; the outer side of the furnace inner container is provided with a heat insulation layer, one side of the outer cylinder is fixedly connected with a furnace bottom plate, the other side of the outer cylinder is fixedly connected to the furnace inner container through a side plate, one side of the furnace inner container is positioned in the outer cylinder, and the other side of the furnace inner container penetrates through the side plate and is positioned on the outer side of the outer cylinder; the other side of the furnace inner container is connected with a furnace cover assembly through a workpiece supporting plate; the furnace cover assembly is matched with the furnace inner container; the furnace bottom plate is communicated and connected with a tail gas treatment device; the furnace cover assembly is connected with a handle; the inner side of the furnace cover assembly is connected with one side of the workpiece supporting plate, and the other side of the workpiece supporting plate is connected with the assembly shelf roller; the component shelf roller is positioned in the furnace inner container; the outer side of the furnace cover assembly is connected with a frame assembly, and the frame assembly is connected with a roller assembly; the roller assembly is positioned on a track, and the track is positioned on the bracket; a bracket is connected below the outer cylinder, and the furnace cover assembly is connected with the bracket through a frame assembly; a waste collecting tank is arranged below the outer cylinder body; one side of the waste collecting tank is provided with a collecting tank door, and the collecting tank door is provided with a collecting tank quick-opening device.
2. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 1, wherein: and a furnace cover balance bolt is connected between the furnace cover assembly and the frame assembly.
3. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 1, wherein: the upper part of the outer cylinder body is communicated with a safety valve.
4. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 1, wherein: and a furnace cover pressing device is arranged on the furnace cover assembly.
5. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 4, wherein: the outer cylinder body is connected with a vacuum meter, and the vacuum meter is connected with an air inlet valve.
6. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 1, wherein: the tail gas treatment device is a water spraying tail gas treatment device and comprises a tail gas pipe, a water spraying washer, a water outlet pipe and a water ring vacuum pump; the utility model discloses a water spray washer, including exhaust pipe, furnace bottom plate, water spray washer, water outlet pipe, water ring vacuum pump, be equipped with the check valve on the outlet pipe, the one end of exhaust pipe communicates with each other and connects the stove bottom plate, the other end of exhaust pipe communicates with each other and connects the top of water spray washer, be equipped with the water shower nozzle in the water spray washer, the outlet pipe is connected to the bottom of water spray washer, go out water piping connection water ring vacuum pump, be equipped with the wire net on the outlet pipe, be equipped with.
7. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 6, wherein: the water spray head is connected with the water storage tank through a water inlet pipe.
8. The novel environment-friendly electromagnetic induction type vacuum cleaning furnace as claimed in claim 1, wherein: the tail gas treatment device is a gas type tail gas treatment device and comprises a tail gas pipe, a burner and a heat accumulator, wherein the heat accumulator is annular and is positioned on the outer wall of the outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687254.8A CN110763017A (en) | 2019-07-29 | 2019-07-29 | Novel environmental protection electromagnetic induction formula vacuum cleaning stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687254.8A CN110763017A (en) | 2019-07-29 | 2019-07-29 | Novel environmental protection electromagnetic induction formula vacuum cleaning stove |
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| CN110763017A true CN110763017A (en) | 2020-02-07 |
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| CN201910687254.8A Pending CN110763017A (en) | 2019-07-29 | 2019-07-29 | Novel environmental protection electromagnetic induction formula vacuum cleaning stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940418A (en) * | 2020-06-19 | 2020-11-17 | 中国兵器工业第五九研究所 | Removing device for organic matters of porous material |
-
2019
- 2019-07-29 CN CN201910687254.8A patent/CN110763017A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940418A (en) * | 2020-06-19 | 2020-11-17 | 中国兵器工业第五九研究所 | Removing device for organic matters of porous material |
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