CN110408800B - Tail gas recovery device of rotary furnace for tungsten metal powder products - Google Patents
Tail gas recovery device of rotary furnace for tungsten metal powder products Download PDFInfo
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- CN110408800B CN110408800B CN201910802042.XA CN201910802042A CN110408800B CN 110408800 B CN110408800 B CN 110408800B CN 201910802042 A CN201910802042 A CN 201910802042A CN 110408800 B CN110408800 B CN 110408800B
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- Prior art keywords
- waste gas
- pipe
- storage tank
- tank
- rotary furnace
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 21
- 239000010937 tungsten Substances 0.000 title claims abstract description 21
- 239000000843 powder Substances 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000002912 waste gas Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 33
- 238000005406 washing Methods 0.000 claims abstract description 22
- 238000007667 floating Methods 0.000 claims abstract description 15
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/36—Obtaining tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a tail gas recovery device of a rotary furnace for tungsten metal powder products, which comprises a waste gas containing tank, wherein a condensation pipe is arranged on the inner side of the waste gas containing tank, a top cover is arranged at the top end of the waste gas containing tank, supporting legs are arranged on two sides of the bottom of the waste gas containing tank, a pressure valve is arranged in the middle of the bottom end of the waste gas containing tank, a base is arranged at the bottom end of the storage tank, a support is arranged on one side of the waste gas containing tank, a washing tank is arranged above the support, a conveying pipe is arranged at one end of the washing tank, a gas conveying pipe is arranged at the other end of the washing tank, a guide frame is arranged at one end of the gas conveying pipe, a supporting rod is arranged at the bottom of the guide frame, and an exhaust pipe is arranged on the other side of the waste gas containing tank. The invention is provided with the guide frame, the floating plate controlled by the return spring is arranged on the guide frame, and the middle part of the floating plate is provided with the pipe connecting port, so that pipelines with different heights can be connected through the pipe connecting port, and the installation and the disassembly are convenient.
Description
Technical Field
The invention relates to the technical field of tail gas recovery devices, in particular to a tail gas recovery device of a rotary furnace for tungsten metal powder products.
Background
Tungsten metal powder is rotary furnace tail gas recovery unit for goods is used for retrieving tungsten metal powder waste gas, can collect the waste residue in the waste gas, ammonium paratungstate obtains tungsten trioxide (WO3) through rotary furnace calcination thermal decomposition, domestic traditional production technology is direct from the chimney emission at the waste gas (ammonium-water-metal tungsten) that the thermal decomposition in-process evaporates, contain ammonium 5.2% in the waste gas that produces one ton tungsten trioxide product, water 6.2%, metal tungsten 0.26%, the biggest problem of this kind of traditional technology is causing atmospheric pollution and wasting resources, also is the biggest utricule of tungsten metal powder accessory industry energy saving and emission reduction.
The tail gas recovery device at the present stage has many defects, for example, the installation and the disassembly are inconvenient, the treatment effect is poor, and tungsten metal is inconvenient to collect, and the utilization rate is low.
Disclosure of Invention
The invention aims to provide a tail gas recovery device of a rotary furnace for tungsten metal powder products, which aims to solve the problems of inconvenient assembly and disassembly, poor treatment effect, inconvenient collection of tungsten metal, low utilization rate and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a tail gas recovery device of a rotary furnace for tungsten metal powder products comprises a waste gas containing tank, wherein a condensing pipe is arranged on the inner side of the waste gas containing tank, a top cover is arranged at the top end of the waste gas containing tank, supporting legs are arranged at the two sides of the bottom of the waste gas containing tank, the middle part of the bottom end of the waste gas containing tank is provided with a pressure valve, the bottom of the supporting leg is provided with a supporting plate, a storage tank is arranged below the supporting plate, a protective guard is arranged on the outer side of the storage tank, a base is arranged at the bottom end of the storage tank, a bracket is arranged on one side of the waste gas containing tank, a washing tank is arranged above the bracket, a delivery pipe is arranged at one end of the washing tank, the other end of the washing tank is provided with a gas pipe, one end of the gas pipe is provided with a guide frame, the bracing piece is installed to the bottom of leading truck, the blast pipe is installed to the opposite side of waste gas storage tank.
Preferably, a floating plate is installed inside the guide frame, return springs are installed at two ends of the floating plate, and a pipe connecting port is formed in the middle of the floating plate.
Preferably, the storage tank is internally provided with an electric heating coil, and the front surface of the outer side of the storage tank is provided with an electric control panel.
Preferably, the middle part of the supporting plate is provided with a pipe connecting hole, and the pressure valve is fixedly connected with the pipe connecting hole.
Preferably, one end of the gas pipe is connected with the connecting pipe port, and the gas pipe port is installed at one end of the connecting pipe port.
Preferably, the delivery pipe is provided with a delivery pump, and the delivery pipe is arranged on one side of the tops of the washing tank and the waste gas receiving tank.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the guide frame, the floating plate controlled by the reset spring is arranged on the guide frame, the middle part of the floating plate is provided with the pipe connecting port, and pipelines with different heights can be connected through the pipe connecting port, so that the installation and the disassembly are convenient;
2. the waste gas collecting tank is provided with the washing tank on one side, waste gas can be washed through the washing tank, then the waste gas is conveyed into the waste gas collecting tank through the conveying pipe, the waste gas is condensed into solution through the condensing pipe in the waste gas collecting tank, the solution is collected in the waste gas collecting tank, when the collection amount reaches a fixed amount, the solution is discharged into the storage tank through the control of the pressure valve, and tungsten metal can be collected again through heating evaporation crystallization of the electric heating coil pipe in the storage tank, so that resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of a tail gas recovery device of a rotary furnace for tungsten metal powder products according to the present invention;
FIG. 2 is a top view of the storage tank of the present invention;
fig. 3 is a side view of the guide frame of the present invention.
In the figure: 1. an air delivery pipe interface; 2. a guide frame; 3. a support bar; 4. a gas delivery pipe; 5. a washing tank; 6. a support; 7. a top cover; 8. a delivery pipe; 9. an exhaust gas storage tank; 10. a pressure valve; 11. a condenser tube; 12. supporting legs; 13. a support plate; 14. a guardrail; 15. a storage tank; 16. a base; 17. an exhaust pipe; 18. an electric heating coil pipe; 19. a return spring; 20. a floating plate; 21. a pipe connecting port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: a tail gas recovery device of a rotary furnace for tungsten metal powder products comprises a waste gas containing tank 9, wherein a condensing pipe 11 is arranged on the inner side of the waste gas containing tank 9, the condensing pipe 11 is used for condensing washed waste gas into solution and collecting the solution in the waste gas containing tank 9, a top cover 7 is arranged at the top end of the waste gas containing tank 9, supporting legs 12 are arranged on two sides of the bottom of the waste gas containing tank 9, a pressure valve 10 is arranged in the middle of the bottom end of the waste gas containing tank 9, the collected solution is controlled by the pressure valve 10 to be discharged into a storage tank 15, a supporting plate 13 is arranged at the bottom of the supporting leg 12, a storage tank 15 is arranged below the supporting plate 13, a protective guard 14 is arranged on the outer side of the storage tank 15, a base 16 is arranged at the bottom end of the storage tank 15, a support 6 is arranged on one side of the waste gas containing tank 9, a washing tank 5 is arranged above the support 6, the washing tank 5 is used for washing the waste gas and removing partial impurities, conveyer pipe 8 is installed to the one end of washing jar 5, and gas-supply pipe 4 is installed to the other end of washing jar 5, and leading truck 2 is installed to the one end of gas-supply pipe 4, and leading truck 2 makes things convenient for gas-supply pipe 4 to be connected with the tail gas discharge port of rotary furnace through connecting pipe mouth 21, and bracing piece 3 is installed to the bottom of leading truck 2, and blast pipe 17 is installed to the opposite side of waste gas storage tank 9.
Furthermore, a floating plate 20 is arranged inside the guide frame 2, two ends of the floating plate 20 are provided with return springs 19, and the middle part of the floating plate 20 is provided with a pipe connecting port 21, so that the height of the pipe connecting port 21 can be adjusted.
Further, an electric heating coil 18 is installed inside the storage tank 15, and the electric heating coil 18 of the storage tank 15 is heated to crystallize the solution collected in the storage tank 15.
Furthermore, a pipe connecting hole is formed in the middle of the supporting plate 13, the pressure valve 10 is fixedly connected with the pipe connecting hole, and the pressure valve 10 is convenient to mount through the pipe connecting hole.
Further, one end of the gas pipe 4 is connected with the pipe connecting opening 21, and one end of the pipe connecting opening 21 is provided with a gas pipe interface 1.
Further, a delivery pump is installed on the delivery pipe 8, the delivery pipe 8 is installed on one side of the tops of the washing tank 5 and the waste gas storage tank 9, and the delivery pump provides waste gas delivery power.
The working principle is as follows: when the equipment is used, the air pipe interface 1 is adjusted through the action of the floating plate 20 to be connected with the rotary furnace, tail gas generated by the equipment is conveyed into the air pipe 4, the tail gas is conveyed into the washing tank 5 through the air pipe 4, the tail gas is conveyed into the waste gas containing tank 9 through the conveying pipe 8 after being washed by the washing tank 5, the condensate of the condensing pipe 11 in the waste gas containing tank 9 is condensed into solution to be stored in the waste gas containing tank 9, the treated gas is discharged through the exhaust pipe 17, the solution is discharged into the storage tank 15 through the pressure valve 10 when reaching a set fixed quantity, the solution is heated and crystallized through the electric heating coil 18 in the storage tank 15, and then the solution is converted into ammonium paratungstate after being exchanged and purified.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a tungsten metal is rotary furnace tail gas recovery unit for powder goods, includes that waste gas accomodates jar (9), its characterized in that: condenser pipe (11) is installed to the inboard of waste gas storage tank (9), top cap (7) is installed on the top of waste gas storage tank (9), supporting leg (12) are installed to the bottom both sides of waste gas storage tank (9), the bottom mid-mounting of waste gas storage tank (9) has pressure valve (10), backup pad (13) is installed to the bottom of supporting leg (12), storage tank (15) is installed to the below of backup pad (13), rail guard (14) is installed in the outside of storage tank (15), base (16) are installed to the bottom of storage tank (15), support (6) are installed to one side of waste gas storage tank (9), washing tank (5) is installed to the top of support (6), conveyer pipe (8) are installed to the one end of washing tank (5), other end of washing tank (5) is installed and 4), one end of the gas conveying pipe (4) is provided with a guide frame (2), the bottom of the guide frame (2) is provided with a support rod (3), and the other side of the waste gas containing tank (9) is provided with an exhaust pipe (17); an electric heating coil (18) is installed inside the storage tank (15), and an electric control panel is installed on the front face of the outer side of the storage tank (15).
2. The tail gas recovery device of the rotary furnace for the tungsten metal powder product, according to claim 1, is characterized in that: the floating plate (20) is installed inside the guide frame (2), the two ends of the floating plate (20) are provided with return springs (19), and the middle of the floating plate (20) is provided with a pipe connecting port (21).
3. The tail gas recovery device of the rotary furnace for the tungsten metal powder product, according to claim 1, is characterized in that: the middle part of the supporting plate (13) is provided with a pipe connecting hole, and the pressure valve (10) is fixedly connected with the pipe connecting hole.
4. The tail gas recovery device of the rotary furnace for the tungsten metal powder product, according to claim 1, is characterized in that: one end of the gas pipe (4) is connected with the pipe connecting opening (21), and one end of the pipe connecting opening (21) is provided with the gas pipe connector (1).
5. The tail gas recovery device of the rotary furnace for the tungsten metal powder product, according to claim 1, is characterized in that: the conveying pipe (8) is provided with a conveying pump, and the conveying pipe (8) is arranged on one side of the tops of the washing tank (5) and the waste gas storage tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802042.XA CN110408800B (en) | 2019-08-28 | 2019-08-28 | Tail gas recovery device of rotary furnace for tungsten metal powder products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802042.XA CN110408800B (en) | 2019-08-28 | 2019-08-28 | Tail gas recovery device of rotary furnace for tungsten metal powder products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110408800A CN110408800A (en) | 2019-11-05 |
| CN110408800B true CN110408800B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910802042.XA Active CN110408800B (en) | 2019-08-28 | 2019-08-28 | Tail gas recovery device of rotary furnace for tungsten metal powder products |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347698A (en) * | 2008-09-05 | 2009-01-21 | 自贡硬质合金有限责任公司 | Method for recycling tungsten oxide powder dust from flue gas of calcining ammonium paratungstate and recovering device |
| CL2009002227A1 (en) * | 2009-12-29 | 2010-04-16 | Univ Concepcion | Rapid cooling equipment for organic or inorganic vapors comprising: a truncated conical double body with external cooling jacket; an upper vapor inlet lid and an annular chamber with perforations for cold gas; an internal central cone with baffles; lower zone of accumulation of liquids. |
| CN201747589U (en) * | 2010-08-04 | 2011-02-16 | 海城市石油机械制造有限公司 | Mud pump decompression communicating device |
| CN204006056U (en) * | 2014-07-03 | 2014-12-10 | 江西省鑫盛钨业有限公司 | A kind of flue gas ash removal structure for ammonium tungstate heating boiler |
| CN204097111U (en) * | 2014-10-20 | 2015-01-14 | 大余隆鑫泰钨业有限公司 | A kind of Tungsten oxide 99.999 dust recycling and processing device |
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| CN110408800A (en) | 2019-11-05 |
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Effective date of registration: 20220211 Address after: 354200 plot g2018001, economic development zone, Xushi Town, Jianyang District, Nanping City, Fujian Province Patentee after: Fujian Nanping Fuhong New Material Co.,Ltd. Address before: 354200 Room 501, block 1, Songci Road, Tongyou, Jianyang City, Nanping City, Fujian Province Patentee before: Xie Wenzui |
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