CN86103860A - A kind of purifying agent for harmful gases - Google Patents
A kind of purifying agent for harmful gases Download PDFInfo
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- CN86103860A CN86103860A CN86103860.6A CN86103860A CN86103860A CN 86103860 A CN86103860 A CN 86103860A CN 86103860 A CN86103860 A CN 86103860A CN 86103860 A CN86103860 A CN 86103860A
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- cleanser
- purificant
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Abstract
The invention discloses a kind of cleanser that is used to administer pernicious gas, this cleanser comprises main purificant and auxiliary cleanser.Main purificant is made base-material with the industrial residue of producing potassium permanganate, adds an amount of multiple transition group metallic oxide and clay and makes.Auxiliary cleanser is made by calcium, magnesium oxide and atlapulgite.Two kinds of cleansers are made particle, sheet, strip, cellular and reticulate body.This cleanser has good clean-up effect to carbon monoxide, sulfur dioxide, hydrocarbon and multiple toxic gas, and cost is low, long service life.Be applicable to the improvement of industrial tail gas, flue gas and motor exhaust.
Description
The present invention relates to the improvement technology in a kind of gaseous contamination source.Be a kind of cleanser that is specially adapted to the pernicious gas of industrial equipment, commercial coal stove and vehicle emissions specifically.
The pernicious gas of industrial equipment and vehicle emissions is the primary pollution source of contaminated environment.The health that carbon monoxide, sulfur dioxide, oxynitrides, hydrocarbon and other pernicious gases directly endanger the people is discharged into and causes acid rain in the atmosphere, destroys ecological environment.The most of residents of China use coal stove, and coal gas threatens people's health, and happen occasionally because of the gas poisoning death incident every year.Purification for toxic gas, " Huadong Chemical College journal " (1981.3 phase) discloses a kind of with base metal in paper " research of cellular non-precious metal catalyst ", alkaline-earth metal and rare earth metal, be stated from based on the catalyst on the honeycomb support of alundum (Al, contained composition comprises manganese, cobalt, nickel, copper, chromium, molybdenum, tungsten, vanadium and oxides such as alkaline-earth metal, rare earth metal and composition thereof, can administer the carbon monoxide in the vehicle exhaust, imperfect combustion hydro carbons and nitrogen oxide.But cost is very high, and it is very difficult that a large amount of employings are generally promoted.Still the effective low price that has wide range of applications that does not have at present a kind of suitable China condition, the cleanser that is suitable for applying.
The object of the present invention is to provide a kind of cost that can comprehensively administer pernicious gases such as carbon monoxide, sulfur dioxide, hydrocarbon, hydronitrogen, nitrogen oxide and toxic gas low, the cleanser that is suitable for applying.
The object of the present invention is achieved like this.Said purifying agent for harmful gases is made up of the auxiliary cleanser that main purificant that mainly plays catalysed oxidn and main removal sulfur dioxide also play the effect of protection main purificant.Main purificant is with pernicious gas, and as carbon monoxide, oxynitrides, hydrocarbon, catalytic oxidations such as hydronitrogen and toxic gas become innocuous gas or the less carbon dioxide of toxic action.Auxiliary cleanser mainly is the material with the no atmosphere pollution of pernicious gases such as sulfur dioxide reaction becoming.Main purificant is that promptly manganese mud is base-material, adds that several period 4 masters pay family's element oxide and the activated clay formulated forms with the industrial residue of producing the potassium permanganate generation.The period 4 element oxide comprises calcium oxide, manganese dioxide, chrome green, di-iron trioxide, cupric oxide etc.Main purificant plays catalysed oxidn to pernicious gas under 250-600 ℃ condition, make it to change into gas harmless or that harm is very low.Clean-up effect is best more than 400 ℃ the time.Pernicious gas for non-coal-burning installation is administered, and main purificant can use separately.The prescription of main purificant, as follows by weight each component: manganese mud 30-50%, manganese dioxide 30-40%, calcium oxide 1-8%, cupric oxide 1-8%, di-iron trioxide 1-2%, chrome green 1-2%, activated clay 5-20%.Auxiliary cleanser is by calcium oxide, and magnesia and atlapulgite formulated form.Auxiliary cleanser is to make sulfur dioxide gas and calcium oxide, magnesia reaction generate nontoxic calcium sulfite or magnesium sulfite, is Powdered particle surface attached to auxiliary cleanser.Play the effect of protection main purificant simultaneously.The prescription of auxiliary cleanser the ratio of each component is calcium oxide 60-70%, magnesia 10-25%, atlapulgite 5-20% by weight.Each constituent of main purificant and auxiliary cleanser through grinding, is mixed respectively, adds water and stirs, and squeezes, is pressed into sheet, granular, strip, column, ripple and pull shape, netted or cellular body.Form through oven dry, sintering,,, can also anchor on the reinforcing material in order to increase mechanical strength according to the practical working situation of cleanser.Reinforcing material can be used materials such as glass fibre, asbestos fibre, wire, porous ceramics.When being used for the gas purification of coal-burning installation, main purificant and auxiliary cleanser are used, auxiliary cleanser is placed on lower floor or at first contacts an end of untreated gas, and main purificant is placed on the upper strata or contacts the rear end of untreated gas flow.The proportioning of the two is that main purificant accounts for 70-80%, and auxiliary cleanser accounts for 20-30%.Can determine the ratio of auxiliary cleanser according to sulfur dioxide gas body burden size in the gas.
Most preferred embodiment of the present invention is as follows: main purificant is manganese mud 43% by weight ratio, manganese dioxide 35%, calcium oxide 5%, cupric oxide 5%, di-iron trioxide 1%, chrome green 1%, activated clay 10%.Auxiliary cleanser is calcium oxide 65% by weight ratio, magnesia 20%, atlapulgite 15%.Through grinding, batch mixing adds water and stirs each component of these two kinds of cleansers respectively, is crushed to sheet, granular, column, cellular, corrugated plate shape or netted, forms through oven dry, sintering.Grinding precision is the 50-70 order, and stirring amount of water is the 10-15% of weight of material, and bake out temperature is 150-200 ℃, and sintering temperature is 600 ℃, and sintering time is 4 hours.Granule strength behind the sintering should be in 3 kilograms per centimeter
2More than.Selected purification formulation shape and size are according to concrete operating mode decision.The present invention can be applicable on four kinds of purifiers:
1. industrial tail gas purifier: with air-introduced machine industrial tail gas is delivered to purifier by the air channel earlier.Between the wire netting, there is electric heater unit that cleanser is heated before and after cleanser is contained in, when being heated to 250-600 ℃, reaches operating temperature.Purification process begins the back and produces exothermic reaction, and heater cuts off the power supply automatically, gets final product continuous operation.The toxic gas of test comprises benzene class, ketone, ester class, ethers, aldehydes, alkanes, alcohols, and the clean-up effect of above material is all between 92-100%.
2. the cleaning equipment of coal-burning installation with aforementioned akin device, places among the flue.Guarantee that auxiliary cleanser cooperates with the reasonable of main purificant.Purifier will be contained in after the dust arrester, flue-gas temperature is working properly between 250-600 ℃.Be lower than 250 ℃ as flue-gas temperature, can consider cleanser is heated.According to the test carbon monoxide, sulfur dioxide, the purifying rate of hydrocarbon are all more than 90%.
3. use the coal stove clarifier of banking up a fire.For preventing that indoor occupant is because of the anthracemia design.Cleanser is contained in the chamber between the upper and lower cover.Main purificant and auxiliary cleanser correctly use by aforementioned ratio.A plurality of circular apertures or strip slit are arranged at the lower cover bottom.On be stamped a steam vent.Purifying rate according to the test carbon monoxide reaches 92.5%, and the purifying rate of sulfur dioxide reaches 95.3%.The hydrocarbon purifying rate is more than 98%.
4. engine and oil burning installation exhaust purifier.The clarifier that is equipped with based on main purificant is contained on the blast pipe of automobile or Diesel engine or oil burning installation, but had not only replaced muffler but also cleaning of off-gas.Discharge tail gas pernicious gas content according to test and be lower than national specified discharge standard.
Cleanser provided by the present invention is fit to the purification treatment to multiple pernicious gas.Good purification.The unleaded intoxicating phenomenon of cleanser, the life-span can reach more than 3500 hours.When the cleanser activity reduces, also can pulverize the adding virgin material, make again and use.Cleanser raw material main component is the harmful waste residue of industry, and the source is sufficient, and production technology is simple, thereby the manufactured goods low price, and its cost is equivalent to the 1/7-1/10 of rare earth cleanser cost.Thereby be suitable for being widely used under China's condition the purification treatment of the pernicious gas of technology discharging.
Claims (9)
1, a kind of by catalyst, the improvement industrial discharge purifying agent for harmful gases that activating agent and binding agent are formed, it is characterized in that main purificant based on catalysed oxidn is producing the industrial residue that potassium permanganate produces, promptly manganese mud is that base-material is added with several period 4 main groups and pays family's element oxide and the activated clay formulated forms.
2,, it is characterized in that the period 4 master pays family's element oxide and comprises calcium oxide, manganese dioxide, chrome green, cupric oxide, di-iron trioxide according to the cleanser described in the claim 1.
3, according to claim 1 and 2 described cleansers, it is characterized in that the as follows by weight ratio of each component of main purificant: manganese mud 30-50%, manganese dioxide 30-40%, calcium oxide 1-8%, cupric oxide 1-8%, di-iron trioxide 1-2%, chrome green 1-2%, activated clay 5-20%.
4, cleanser according to claim 1 is characterized in that the auxiliary cleanser that cooperates main purificant to use to sulphide-rich gas is to be formed by calcium oxide, magnesia and atlapulgite formulated.
5, cleanser according to claim 4 is characterized in that auxiliary each component of cleanser is by weight ratio: calcium oxide 60-70%, magnesia 10-25%, atlapulgite 5-20%.
6, according to claim 1 or 4 described cleansers, it is characterized in that main purificant and auxiliary cleanser can add the reinforcing material that increases mechanical strength according to actual condition, this reinforcing material is glass fibre, asbestos fibre, wire, porous ceramic film material.
7, according to claim 2 or 4 and 5 described cleansers, it is characterized in that respectively each component being ground, being mixed, add water and stir, squeeze or be pressed into sheet, corrugated plate shape, granular, column, cellular or reticulate body, oven dry, sintering form.
8, cleanser according to claim 3 is characterized in that respectively each component being ground, being mixed, add water and stirs, squeezes or be pressed into sheet, corrugated plate shape, granular, column, cellular or reticulate body, and oven dry, sintering form.
9, cleanser according to claim 6 is characterized in that respectively each component being ground, being mixed, add water and stirs and to combine with reinforcing material, squeezes or be pressed into sheet, corrugated plate shape, granular, column, cellular or reticulate body, dries, sintering forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86103860.6A CN1005756B (en) | 1986-06-09 | 1986-06-09 | Purifying agent for harmful gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86103860.6A CN1005756B (en) | 1986-06-09 | 1986-06-09 | Purifying agent for harmful gases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86103860A true CN86103860A (en) | 1987-01-24 |
| CN1005756B CN1005756B (en) | 1989-11-15 |
Family
ID=4802218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86103860.6A Expired CN1005756B (en) | 1986-06-09 | 1986-06-09 | Purifying agent for harmful gases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1005756B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623835B (en) * | 2013-11-08 | 2016-05-04 | 北京龙宝科技发展有限公司 | A kind of tail gas catalytic purification absorbing material, preparation technology and purification method |
| CN107476854A (en) * | 2017-10-09 | 2017-12-15 | 佛山智北汇科技有限公司 | A kind of new mobile muffler based on tail gas clean-up technology |
-
1986
- 1986-06-09 CN CN86103860.6A patent/CN1005756B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623835B (en) * | 2013-11-08 | 2016-05-04 | 北京龙宝科技发展有限公司 | A kind of tail gas catalytic purification absorbing material, preparation technology and purification method |
| CN107476854A (en) * | 2017-10-09 | 2017-12-15 | 佛山智北汇科技有限公司 | A kind of new mobile muffler based on tail gas clean-up technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1005756B (en) | 1989-11-15 |
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