CN1309457C - Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor - Google Patents
Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor Download PDFInfo
- Publication number
- CN1309457C CN1309457C CNB2003101160758A CN200310116075A CN1309457C CN 1309457 C CN1309457 C CN 1309457C CN B2003101160758 A CNB2003101160758 A CN B2003101160758A CN 200310116075 A CN200310116075 A CN 200310116075A CN 1309457 C CN1309457 C CN 1309457C
- Authority
- CN
- China
- Prior art keywords
- heating furnace
- gas
- metal
- analyzer
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a waste gas treatment method and an improvement device thereof for a heating furnace of a gas tester in metal. In the process of gas determination in metal through a determinator provided with a suction cleaner, the tail of the suction cleaner is previously closed, and an outlet is reserved and connected with a connection pipe. Meanwhile, the connection pipe is directly connected to a container containing water or alkali liquid. When a bottom electrode of the heating furnace drops down, fly ash and harmful gases are discharged outside after the filtration of the water or the alkaline liquid in the processes of brushing the heating furnace and the dust suction of the suction cleaner. In addition, the side of the heating furnace used by the determinator is previously connected with a ventilation system which is led outdoors and is provided with an exhaust fan. When the bottom electrode of the heating furnace drops down, the exhaust fan is started. Fly ash and harmful gases discharged in the process that the heating furnace drops down are directly pumped outdoors. The method of the present invention has advantages of convenience and efficiency, and better solves the problems of dust removal and waste gas scavenging. Therefore, the present invention is favorable for environmental protection and personal protection.
Description
Technical field
The present invention relates in a kind of metal gas tester heating furnace waste gas processing method and improve equipment.
Background technology
Elemental gas refers to carbon, hydrogen, oxygen, nitrogen, five kinds of elements of sulphur in the metal, and its content in metal all has strict requirement in a lot of industrial production, therefore must measure.Existing assay method mainly is an instrumental method.In the instrumental method in the metal release of gas all need high temperature furnace, and these stoves at high temperature all can discharge a lot of dust and pernicious gas, these waste gas can constitute big harm to environment and human body.Apparatus manufacture has been done a few thing in this respect, and U.S. Leco Corporation uses dust catcher with the dust sucking-off but enter air after filtering again, and some superfine microparticles still can enter air like this, and environment and human body are constituted big harm; On the other hand, the instrument stove still can enter air to some dust and pernicious gas in the decline process, also can constitute big harm to environment and human body.
Along with the continuous development of metal material and the continuous expansion of metal material range of application, quality control to metal material in the research and production is more and more stricter, because gaseous impurity can directly influence the physics and the chemical property of metal material, therefore increasing metal requires to measure these impurity.Owing to need to measure the increase of metal species, measure the environmental issue of being brought and more show outstanding.Because the dust of determined metal can enter atmosphere when stove exposed atmosphere, and some metals can constitute very big harm to health, suck through respiratory tract as metallic dusts such as metallic iron, tin, aluminium, manganese, lead, zinc, may cause metal poisoning: lead can cause the infringement of a plurality of systems and organ, at first influence hemopoietic system, cause the central nervous system perineural infringement of unifying then; Mercury, manganese can cause serious nervous centralis infringement.
Summary of the invention
The purpose of this invention is to provide gas tester heating furnace waste gas processing method in a kind of metal.This method can be caught the micronic dust that enters atmosphere in the mensuration process easily and effectively, solves dedusting and scavenging problem, helps environmental protection and personnel protection.
Another object of the present invention provides a kind of improved analyzer that helps environmental protection and personnel protection.
For achieving the above object, the present invention takes following technical scheme:
Gas tester heating furnace waste gas processing method in a kind of metal, carry out at analyzer in the mensuration process of gas in the metal with dust catcher, afterbody with dust catcher seals in advance, and stay an outlet, should export and connect an adapter, to take over simultaneously and directly lead to one and be equipped with in the container of water or alkali lye, and lead to the outdoor ventilating system that air exhauster is housed other being connected with of the heating furnace of employed analyzer in advance, when the heating furnace bottom electrode descends, open air exhauster, directly extract out dust and pernicious gas that heating furnace is discharged in the decline process outdoor; In cleaning heating hearth brush dirt dust suction process, with suck dust in the dust catcher and pernicious gas through take over and container in water or alkali lye filter after discharge again.
In the method for the invention, can be water or alkali lye for the solution that filters, therefore, not unqualified to the concentration of alkali lye and alkali lye.
Adopt gas tester heating furnace waste gas processing method in the metal of the present invention, to improve present employed analyzer, promptly, be in having the analyzer of dust catcher, the sealing of the afterbody of its dust catcher, and have an outlet, one jointing is housed in this outlet, and, be furnished with an adapter that is complementary with jointing, and container; And by the heating furnace of described analyzer, the outlet connection spare that can connect ventilating system is housed, and is furnished with the outdoor ventilating system that air exhauster is housed of leading to.
Because heating furnace is installed in the housing of analyzer, therefore, on the housing at the heating furnace place of analyzer, have an air outlet, the outlet connection spare that can connect ventilating system is housed on this air outlet, so just outlet connection spare is contained on the housing by the heating furnace.
It can be the TC-436 of U.S. Leco Corporation oxygen-nitrogen analyzer, CS-444 carbon and sulfur analytical instrument that institute of the present invention carries out improved analyzer, the gas tester in the metals such as the Japanese HORIBA EMGA-620W of instrument company oxygen nitrogen combined measuring instrument.
Advantage of the present invention is:
Method of the present invention is from two aspects dust and pernicious gas to be removed, and connects liquid (water or alkali lye) in the back of dust catcher on the one hand, and the micronic dust that may enter atmosphere is caught; The dust and the pernicious gas that adopt the external exhausting system of body of heater that the heating furnace of instrument may be discharged in the decline process are on the other hand directly extracted the laboratory out.More than two aspects have highly effective effect, remedied the deficiency of present employed analyzer aspect environmental protection and personnel protection, solved the very big defective that instrument producer exists when the problems referred to above.Method of the present invention has better solved dedusting and scavenging problem easily and effectively.
Description of drawings
Fig. 1 is the general flow schematic diagram of eudiometry in the metal
Fig. 2 is the electrode furnace heating schematic diagram of the analyzer of use at present
Fig. 3 is a dust catcher combustion gas absorption system schematic diagram of the present invention
Fig. 4 is the treatment system schematic diagram of heating furnace combustion gas of the present invention
The specific embodiment
One of gas tester heating furnace waste gas processing method is the mensuration process of carrying out gas in the metal at the analyzer with dust catcher in the metal of the present invention, the process of gas as shown in Figure 1 in the general mensuration metal, the test button that will test is put into the black-fead crucible of heating furnace earlier, and carry out carrier gas by analyzer and purify, carry out the heating furnace heating flame again, the gas that discharges in the metal under the high temperature is converted into electronic signal by gas conversion system, carrying out signal by detector again handles, detect, and the gas that discharges in the metal is transformed the absorption system absorption by gas.Therefore, as can be seen from Figure 1, carrier gas and mist are discharged the back after testing in the mensuration process, and the gas that discharge this moment has transformed absorption because of pernicious gas, and environment has not been had harm.But the influence to environment during heating furnace heating flame after-opening is not eliminated.This is the defective of the analyzer existence of use at present.
Below be example with the TC-436 of U.S. Leco Corporation oxygen apparatus for nitrogen examination, analyze the defective that the analyzer that uses at present exists.But the present invention is not limited to this analyzer, and for example, to the test of carbon sulphur, heating furnace is a coreless induction furnace, and situation similarly.The heating furnace of TC-436 instrument is an electrode furnace, claim pulse heating furnace again, its structural representation is shown in 2, and this heating furnace is to adopt transformer 2 that 220V AC power 1 is converted into 6V out-put supply 3, and the two ends of 6V out-put supply 3 connect respectively on black-fead crucible 4 and the electrode furnace 5.When electrode furnace heats, moment, low-voltage, high-current heated the sample in black-fead crucible 4, during electrode furnace 5 heating because electric current can be to 1000 amperes, temperature can be to 2000-3000 ℃, and the fusing point of common metal is below 2000 ℃, the vapour pressure of metal in black-fead crucible 4 is bigger, and metal all has volatilization in various degree therein.When electrode furnace 5 bottom electrodes descend, volatile matter in the electrode furnace 5 will be dispersed in the air and go, the method that Leco Corporation adopts is brush electrode stove 5 and carries out the dust catcher dust suction, do like this and can guarantee that electrode furnace 5 inner dust are removed, most dust is attracted in the dust catcher simultaneously, its another kind of method is, scrubs electrode furnace 5 in the test process automatically and the dust that brush falls is inhaled in people's dust catcher automatically.Above-mentioned way has two problems not solve: the one, and the leaking of dust in the electrode furnace 5 decline processes, the 2nd, some superfine micronic dusts may enter in the atmosphere by dust catcher.Some instrument company does not then make suitable processing to issuable environmental problem in addition.
Adopt gas tester heating furnace waste gas processing method in the metal of the present invention, to improve present employed analyzer, as shown in Figure 3, in analyzer with dust catcher 12, the afterbody of its dust catcher 12 adopts closure casing 13 sealings, and have an outlet 14, and this outlet 14 connects one by jointing and takes over 15, and this adapter 15 is inserted one and is equipped with in the container 16 of liquid (water or alkali lye).Housing 13 can be that metallic plate or plastic plate are made; Taking over 15 is suitable thick plastic tube or metal tube.
Analyzer with dust catcher is being carried out in the test process of gas in the metal, when the heating furnace bottom electrode descends, in brushing heating furnace and dust catcher dust suction process, make and discharge dust and pernicious gas process adapter 15 in the cleaning brush dirt process, enter in the container 16 that water or alkali lye are housed, discharge again after filtering.Use this equipment after a period of time, can see that container 16 bottoms have many sediments to produce, and show that assimilation effect is better.
Simultaneously, also present employed analyzer is carried out following improvement, as shown in Figure 4, in the housing of instrument, black-fead crucible 4 is housed on the instrument table top 19, and being positioned at above the black-fead crucible 4 is electrode furnace 5, has an air outlet 17 on the housing wall of the instrument of electrode furnace 5 one sides, these air outlet 17 external ventilation connectors 18, this ventilation connector 18 connects and leads to the outdoor ventilating system that air exhauster is housed (not shown).When electrode furnace 5 bottom electrodes descend, open air exhauster, directly extract outdoor by air outlet 17 dust and pernicious gas that electrode furnace 5 is discharged in the decline process.Like this waste gas and dust are directly discharged outdoorly, help health of operators.By the method for the external ventilation of heating furnace, when experimentizing operation, can't smell the indoor diffusing smell of any heating furnace that has basically outward.
In sum, adopt in the metal of the present invention gas tester heating furnace waste gas processing method and improve equipment, heating furnace in the gas analysis in the metal can be discharged dust and pernicious gas in the decline process and in the cleaning brush dirt process directly discharges outdoor and is absorbed processing, thereby solved the defective of instrument producer on dedusting and scavenging problem, method of the present invention has better solved dedusting and scavenging problem easily and effectively.
Claims (3)
1, gas tester heating furnace waste gas processing method in a kind of metal, it is characterized in that: carry out at analyzer in the mensuration process of gas in the metal with dust catcher, afterbody with dust catcher seals in advance, and stay an outlet, should export and connect an adapter, to take over simultaneously and directly lead to one and be equipped with in the container of water or alkali lye, and lead to the outdoor ventilating system that air exhauster is housed other being connected with of the heating furnace of employed analyzer in advance, when the heating furnace bottom electrode descends, open air exhauster, directly extract out dust and pernicious gas that heating furnace is discharged in the decline process outdoor; In cleaning heating hearth brush dirt dust suction process, with suck dust in the dust catcher and pernicious gas through take over and container in water or alkali lye filter after discharge again.
What 2, gas tester heating furnace waste gas processing method used in the described metal of a kind of claim 1 improves equipment, it is characterized in that: be in having the analyzer of dust catcher, the afterbody sealing of its dust catcher, and have an outlet, one jointing is housed in this outlet, and, be furnished with an adapter that is complementary with jointing, and container; And by the heating furnace of described analyzer, the outlet connection spare that can connect ventilating system is housed, and is furnished with the outdoor ventilating system that air exhauster is housed of leading to.
3, according to claim 2 improving equipment is characterized in that: described analyzer comprises the TC-436 of U.S. Leco Corporation oxygen-nitrogen analyzer, CS-444 carbon and sulfur analytical instrument, the Japanese HORIBA EMGA-620W of instrument company oxygen nitrogen combined measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101160758A CN1309457C (en) | 2003-12-30 | 2003-12-30 | Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101160758A CN1309457C (en) | 2003-12-30 | 2003-12-30 | Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1634634A CN1634634A (en) | 2005-07-06 |
| CN1309457C true CN1309457C (en) | 2007-04-11 |
Family
ID=34843555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101160758A Expired - Fee Related CN1309457C (en) | 2003-12-30 | 2003-12-30 | Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1309457C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846645B (en) * | 2009-03-24 | 2012-11-21 | 上海宝英光电科技有限公司 | Method for correcting temperature-causing changes in process of detecting oxygen and nitrogen analyzer thermal conductivity cell |
| CN102784772B (en) * | 2011-05-20 | 2014-12-31 | 北京有色金属研究总院 | Method for cleaning dust of heating furnace of instrument for testing carbon sulfurs in metal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035959A (en) * | 1987-09-16 | 1989-10-04 | 帕塞玛库第·特赖布 | The method of pollutant in the exhaust gas stream scrubbing |
| CN2436218Y (en) * | 2000-06-27 | 2001-06-27 | 赵荣华 | Boiler waste gas dust-remover |
-
2003
- 2003-12-30 CN CNB2003101160758A patent/CN1309457C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035959A (en) * | 1987-09-16 | 1989-10-04 | 帕塞玛库第·特赖布 | The method of pollutant in the exhaust gas stream scrubbing |
| CN2436218Y (en) * | 2000-06-27 | 2001-06-27 | 赵荣华 | Boiler waste gas dust-remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1634634A (en) | 2005-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109231514A (en) | laboratory environment safety control system | |
| CN1309457C (en) | Method for treating waste gas of heating furnace of tester for testing gas in metal, and improved apparatus therefor | |
| CN214209854U (en) | Flue gas high-temperature waste heat recycling device | |
| CN108905397A (en) | A kind of calcium hypochlorite production chlorine contained exhaust gas processing unit | |
| CN112729976A (en) | Industrial waste gas detection system | |
| CN212017106U (en) | Tail gas recovery and purification system of silicon metal smelting furnace | |
| CN104075586B (en) | A kind of cooperation-removal dust is Ji the Processes and apparatus of bioxin | |
| CN208757293U (en) | A kind of use for laboratory carbon and sulfur analytical instrument device for purifying and treating tail gas | |
| JP2013160692A (en) | Exhaust gas analysis system | |
| CN206661875U (en) | A kind of ventilation hoods for laboratories | |
| CN213986357U (en) | Industrial waste gas detection device | |
| CN211954900U (en) | Waste gas detector with alarming function | |
| CN219766325U (en) | Laboratory environment monitoring processing apparatus | |
| CN208772698U (en) | A kind of dust exhaust apparatus for mash welder production and processing | |
| CN2722243Y (en) | Molybdenum converter of nitrogen oxide automatic monitor | |
| CN206974757U (en) | A kind of Novel flue gas samples automatic dilution device | |
| CN220231141U (en) | Gas collecting tube for waste gas detection | |
| CN111693652A (en) | Analysis method and treatment system for chlorine-containing waste gas generated by high-temperature water quenching of chlorination slag | |
| CN207163487U (en) | A kind of fume testing agency | |
| CN220508881U (en) | Electronic nose equipment for screening aroma concentration | |
| CN109364749A (en) | A kind of electrolytic aluminum smoke desulphurization integrated system and method | |
| CN204202409U (en) | A kind of cooperation-removal dust is Ji the equipment of bioxin | |
| CN102784772B (en) | Method for cleaning dust of heating furnace of instrument for testing carbon sulfurs in metal | |
| CN212017177U (en) | Lead smoke purifying treatment device for fire-testing gold high-temperature electric furnace | |
| JPS63191059A (en) | Continuous analysis of mercury in gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160530 Address after: Yang Yanlu 101407 Beijing city Huairou District Yanqi Economic Development Zone No. 88 Patentee after: National standard (Beijing) inspection & Certification Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20161230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |