CN210057797U - Exhaust gas purification device for metal nitriding furnace - Google Patents
Exhaust gas purification device for metal nitriding furnace Download PDFInfo
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- CN210057797U CN210057797U CN201920730789.4U CN201920730789U CN210057797U CN 210057797 U CN210057797 U CN 210057797U CN 201920730789 U CN201920730789 U CN 201920730789U CN 210057797 U CN210057797 U CN 210057797U
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Abstract
The utility model discloses a metal nitriding furnace is with exhaust gas purification device relates to metal processing technology field. Including nitriding furnace body, the upper end fixedly connected with fan of nitriding furnace body, the first outlet duct of upper end fixedly connected with of fan, the lateral wall fixedly connected with gas-supply pipe of first outlet duct, the tip fixedly connected with distillation column of the lateral wall of gas-supply pipe, the upper end fixedly connected with second outlet duct of distillation column, the lateral wall fixedly connected with connecting pipe of second outlet duct, the middle part fixedly connected with gas purification case of connecting pipe, the inside left side of gas purification case is equipped with the filter screen. Through setting up gaseous purifying box, filter screen, anion layer, carbon molecule layer and active carbon adsorption layer, utilize inside filter screen layer, anion layer, carbon molecule layer, the active carbon adsorption layer of gaseous purifying box can prevent that the distillation column from not having to clear away harmful substance thoroughly and carry out the secondary and clear away, improved the efficiency to harmful gas purifies, more thorough harmful substance in having clear away gas.
Description
Technical Field
The utility model relates to the technical field of metal processing, in particular to a waste gas purification device for a metal nitriding furnace.
Background
Metal surface nitriding is a technique introduced in the french patent No. H, E, F. This technique is introduced in the french patent No. H, E, F. The technical characteristics of the Schonf (SURSULF) are that aiming at the concentration of active sulfur atoms in salt bath, the density and hardness of a chemical layer are only dependent on the contents of carbon and other alloy elements in the processed steel, and the hardness gradient of a diffusion layer is steeper along with the increase of the contents of the carbon and other alloy elements in the steel after processing; the depth of the diffusion layer becomes smaller, and in order to be applied to the occasion where higher corrosion resistance is required, the ARCOR (ARCOR) treatment process is a treatment process combining thermochemical diffusion and passivation as well as precision treatment in a salt bath furnace as a supplement to the sheff treatment process. The surface layer with extremely high friction resistance, seizure resistance, wear resistance, corrosion resistance and high fatigue strength is generated on the surface of the workpiece, so that the surface layer is suitable for any workpiece needing to solve the problems of friction resistance, seizure resistance, wear resistance, corrosion resistance and the like, and is an ideal low-cost treatment process.
However, many harmful gases are generated during the metal nitriding process, and if the harmful gases cannot be purified, the harmful gases are harmful to human bodies when discharged into the air, so that an apparatus capable of purifying the gases is required to purify the harmful gases.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a metal nitriding furnace is with exhaust gas purification device possesses advantages such as purifying harmful gas and improvement purification efficiency, has solved harmful gas and has discharged the problem that can produce the human body and harm in the air.
(II) technical scheme
For the purpose of realizing above-mentioned purification harmful gas and improving purification efficiency, the utility model provides a following technical scheme: a waste gas purification device for a metal nitriding furnace comprises a nitriding furnace body, wherein a fan is fixedly connected to the upper end of the nitriding furnace body, a first air outlet pipe is fixedly connected to the upper end of the fan, a gas conveying pipe is fixedly connected to the side wall of the first air outlet pipe, a distillation tower is fixedly connected to the end portion of the side wall of the gas conveying pipe, a second air outlet pipe is fixedly connected to the upper end of the distillation tower, a connecting pipe is fixedly connected to the side wall of the second air outlet pipe, a gas purification box is fixedly connected to the middle of the connecting pipe, a filter screen is arranged on the left side of the inside of the gas purification box, first deflectors are fixedly connected to the bottom surfaces of the two sides of the inside of the gas purification box, a second deflector is fixedly connected to the top surface of the inner side of the middle of the gas purification box, an anion layer, and the anion layer with be located the first baffle fixed connection of second baffle one side, the carbon molecule layer with be located the first baffle fixed connection of second baffle opposite side, the inside right side fixedly connected with active carbon adsorption layer of gas purification case, the right side fixedly connected with blast pipe of connecting pipe, first baffle and second baffle are located between filter screen and the active carbon adsorption layer, the top of first baffle is close to the top surface of gas purification case and keeps ventilating the space, the bottom of second baffle is close to the bottom surface of gas purification case and keeps ventilating the space.
Further optimize this technical scheme, the left end outside of gas-supply pipe is equipped with the solenoid valve.
Further optimize this technical scheme, the filter screen is equipped with two-layer, and the mesh aperture of filter screen is 0.1 cm.
Further optimize this technical scheme, the equal fixedly connected with ring flange in both sides of gas purification case, and gas purification case passes through ring flange fixed connection with the connecting pipe.
Further optimize this technical scheme, be equipped with the layer of cooling between two first bafflers in the gas purification case, and the inside on layer of cooling is equipped with the cooling water, the left side fixedly connected with intake pipe of second baffler, and the bottom of intake pipe stretches into the inside on layer of cooling.
Further optimize this technical scheme, the connecting pipe of second outlet duct lateral wall is equipped with two, and the gas purification case that the connecting pipe middle part corresponds also is equipped with two.
Further optimize this technical scheme, the upper end fixedly connected with of blast pipe keeps off the lid, and keeps off the upper end of lid and establish to arc.
(III) advantageous effects
Compared with the prior art, the utility model provides a metal nitriding furnace is with exhaust gas purification device possesses following beneficial effect:
1. this metal nitriding furnace is with exhaust gas purification device, through setting up the distillation column, utilize the distillation column to distill the purification to produced waste gas in the nitriding furnace body processing, clear away the harmful substance in the gas, avoided harmful gas to emit into the air and caused harm to the human body.
2. This metal is exhaust gas purification device for nitriding furnace through setting up gaseous purifying box, filter screen, anion layer, carbon molecule layer and active carbon adsorption layer, utilizes inside filter screen layer, anion layer, carbon molecule layer, the active carbon adsorption layer of gaseous purifying box can prevent that the distillation column from not having to clear away harmful substance thoroughly and carry out the secondary and clear away, has improved the efficiency to harmful gas purification, more thorough harmful substance in having clear away the gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the gas purifying box of the present invention.
In the figure: 1. a nitriding furnace body; 2. a fan; 3. a first air outlet pipe; 4. a gas delivery pipe; 5. a distillation column; 6. a second air outlet pipe; 7. a connecting pipe; 8. a gas purification tank; 9. a filter screen; 10. a first baffle plate; 11. a second baffle plate; 12. an anion layer; 13. a layer of carbon molecules; 14. an activated carbon adsorption layer; 15. an exhaust pipe; 16. an electromagnetic valve; 17. a flange plate; 18. a cooling layer; 19. an air inlet pipe; 20. and (7) blocking the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model discloses a waste gas purification device for metal nitriding furnace, comprising a nitriding furnace body 1, wherein the upper end of the nitriding furnace body 1 is fixedly connected with a fan 2, the upper end of the fan 2 is fixedly connected with a first outlet pipe 3, the side wall of the first outlet pipe 3 is fixedly connected with a gas pipe 4, the end part of the side wall of the gas pipe 4 is fixedly connected with a distillation tower 5, the upper end of the distillation tower 5 is fixedly connected with a second outlet pipe 6, the side wall of the second outlet pipe 6 is fixedly connected with a connecting pipe 7, the middle part of the connecting pipe 7 is fixedly connected with a gas purification box 8, the left side of the inside of the gas purification box 8 is provided with a filter screen 9, the bottom surfaces of the two sides of the inside of the gas purification box 8 are fixedly connected with a first baffle plate 10, the top surface of the inside of the middle, the left side fixedly connected with anion layer 12 of second baffle 11, the right side fixedly connected with carbon molecule layer 13 of second baffle 11, and anion layer 12 and the first baffle 10 fixed connection who is located second baffle 11 one side, carbon molecule layer 13 and the first baffle 10 fixed connection who is located second baffle 11 opposite side, the inside right side fixedly connected with active carbon adsorption layer 14 of gas purification case 8, the right side fixedly connected with blast pipe 15 of connecting pipe 7, first baffle 10 and second baffle 11 are located between filter screen 9 and the active carbon adsorption layer 14, and the top of first baffle 10 is close to the top surface of gas purification case 8 and keeps ventilating the space, and the bottom of second baffle 11 is close to the bottom surface of gas purification case 8 and keeps ventilating the space.
Specifically, the electromagnetic valve 16 is arranged on the outer side of the left end of the gas conveying pipe 4, so that the gas flowing and discharging can be controlled conveniently.
Specifically, the filter screen 9 is provided with two layers, and the aperture of the mesh of the filter screen 9 is 0.1cm, which is beneficial to filtering sundries in the gas.
Specifically, the equal fixedly connected with ring flange 17 in both sides of gas purification case 8, and gas purification case 8 passes through ring flange 17 fixed connection with connecting pipe 7, is favorable to being connected of gas purification case 8 and connecting pipe 7.
Specifically, be equipped with cooling layer 18 between two first baffling boards 10 in the gas purification case 8, and cooling layer 18's inside is equipped with the cooling water, the left side fixedly connected with intake pipe 19 of second baffling board 11, and the bottom of intake pipe 19 stretches into cooling layer 18's inside, is favorable to reducing gaseous temperature.
Specifically, the connecting pipe 7 of 6 lateral walls of second outlet duct is equipped with two, and the gas purification case 8 that corresponds in the middle part of connecting pipe 7 also is equipped with two, is favorable to improving purification efficiency.
Specifically, the upper end of the exhaust pipe 15 is fixedly connected with a blocking cover 20, and the upper end of the blocking cover 20 is in a circular arc shape, which is beneficial to preventing gas from being directly sprayed out.
When using, at first carry the inside distillation of 5 with nitriding furnace body 1 exhaust waste gas to the distillation column through fan 2, utilize distillation column 5 to distill the purification to produced waste gas in nitriding furnace body 1 processing, harmful substance in the gas is clear away for the first time, avoided harmful gas to emit into the air and caused harm to the human body, then the inside of the gaseous purge box 8 of air admission is carried again to the gas through once purifying, through the inside filter screen 9 of gaseous purge box 8, anion layer 12, carbon molecule layer 13, activated carbon adsorption layer 14 carries out secondary purification to gas, can prevent that distillation column 5 from not clearing away harmful substance thoroughly and carrying out the secondary and clear away, the efficiency of purifying harmful gas has been improved.
In summary, the waste gas purification device for the metal nitriding furnace is provided with the distillation tower 5, and the distillation tower 5 is used for distilling and purifying the waste gas generated in the processing of the nitriding furnace body 1, so that harmful substances in the gas are removed, and the harm to human bodies caused by the harmful gas discharged into the air is avoided; through setting up gaseous purifying box 8, filter screen 9, anion layer 12, carbon molecule layer 13 and active carbon adsorption layer 14, utilize inside filter screen 9, anion layer 12, carbon molecule layer 13, active carbon adsorption layer 14 of gaseous purifying box 8 can prevent that distillation column 5 from not having to clear away harmful substance thoroughly and carrying out the secondary and clear away, improved the efficiency to harmful gas purifies, more thorough harmful substance in having clear away gas.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A waste gas purification device for a metal nitriding furnace comprises a nitriding furnace body (1), and is characterized in that: the upper end of the nitriding furnace body (1) is fixedly connected with a fan (2), the upper end of the fan (2) is fixedly connected with a first air outlet pipe (3), the side wall of the first air outlet pipe (3) is fixedly connected with an air delivery pipe (4), the end part of the side wall of the air delivery pipe (4) is fixedly connected with a distillation tower (5), the upper end of the distillation tower (5) is fixedly connected with a second air outlet pipe (6), the side wall of the second air outlet pipe (6) is fixedly connected with a connecting pipe (7), the middle part of the connecting pipe (7) is fixedly connected with a gas purification box (8), the left side of the inside of the gas purification box (8) is provided with a filter screen (9), the bottom surfaces of the two sides of the inside of the gas purification box (8) are fixedly connected with first baffle plates (10), and the top surface of the inner side of, the left side of the second baffle plate (11) is fixedly connected with an anion layer (12), the right side of the second baffle plate (11) is fixedly connected with a carbon molecular layer (13), the negative ion layer (12) is fixedly connected with the first baffle plate (10) positioned at one side of the second baffle plate (11), the carbon molecule layer (13) is fixedly connected with the first baffle plate (10) positioned at the other side of the second baffle plate (11), the right side in the gas purification box (8) is fixedly connected with an active carbon adsorption layer (14), the right side of the connecting pipe (7) is fixedly connected with an exhaust pipe (15), the first baffle plate (10) and the second baffle plate (11) are positioned between the filter screen (9) and the active carbon adsorption layer (14), the top end of the first baffle plate (10) is close to the top surface of the gas purification box (8) and keeps a ventilation gap, the bottom end of the second baffle plate (11) is close to the bottom surface of the gas purification box (8) and keeps a ventilation gap.
2. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: an electromagnetic valve (16) is arranged on the outer side of the left end of the air conveying pipe (4).
3. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: the filter screen (9) is provided with two layers, and the aperture of the meshes of the filter screen (9) is 0.1 cm.
4. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: the two sides of the gas purification box (8) are fixedly connected with flange plates (17), and the gas purification box (8) is fixedly connected with the connecting pipe (7) through the flange plates (17).
5. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: be equipped with cooling layer (18) between two first baffling boards (10) in gas purification case (8), and the inside on cooling layer (18) is equipped with the cooling water, the left side fixedly connected with intake pipe (19) of second baffling board (11), and the bottom of intake pipe (19) stretches into the inside on cooling layer (18).
6. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: the connecting pipe (7) of the side wall of the second air outlet pipe (6) is provided with two, and the gas purification box (8) corresponding to the middle part of the connecting pipe (7) is also provided with two.
7. The apparatus for purifying exhaust gas for a metal nitriding furnace according to claim 1, wherein: the upper end of the exhaust pipe (15) is fixedly connected with a baffle cover (20), and the upper end of the baffle cover (20) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730789.4U CN210057797U (en) | 2019-05-21 | 2019-05-21 | Exhaust gas purification device for metal nitriding furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730789.4U CN210057797U (en) | 2019-05-21 | 2019-05-21 | Exhaust gas purification device for metal nitriding furnace |
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| CN210057797U true CN210057797U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920730789.4U Expired - Fee Related CN210057797U (en) | 2019-05-21 | 2019-05-21 | Exhaust gas purification device for metal nitriding furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227278A (en) * | 2019-07-22 | 2019-09-13 | 余小海 | A kind of toluene distillation kettle |
| CN111912254A (en) * | 2020-08-15 | 2020-11-10 | 宋恒美 | Purification treatment equipment for combustion exhaust gas capable of cooling temperature |
-
2019
- 2019-05-21 CN CN201920730789.4U patent/CN210057797U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227278A (en) * | 2019-07-22 | 2019-09-13 | 余小海 | A kind of toluene distillation kettle |
| CN111912254A (en) * | 2020-08-15 | 2020-11-10 | 宋恒美 | Purification treatment equipment for combustion exhaust gas capable of cooling temperature |
| CN111912254B (en) * | 2020-08-15 | 2021-10-26 | 泰安阳光天润化工工程有限公司 | Purification treatment equipment for combustion exhaust gas capable of cooling temperature |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210514 Address after: 210001 north side of 4th floor, building 3, Sancai building, No. 10, Yongzhi Road, Nanjing City, Jiangsu Province Patentee after: Nanjing Qizhi Control Technology Co.,Ltd. Address before: Longpan road Xuanwu District of Nanjing city of Jiangsu Province, No. 159 210037 Patentee before: NANJING FORESTRY University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210521 |