CN205313119U - Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof - Google Patents
Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof Download PDFInfo
- Publication number
- CN205313119U CN205313119U CN201521027638.0U CN201521027638U CN205313119U CN 205313119 U CN205313119 U CN 205313119U CN 201521027638 U CN201521027638 U CN 201521027638U CN 205313119 U CN205313119 U CN 205313119U
- Authority
- CN
- China
- Prior art keywords
- gas
- ash discharge
- ash
- stibium
- filtering device
- 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.)
- Active
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses an arrange grey structure, including first the rows ash of gas filtering apparatus bottom mouthful, still include and arrange the ash mouthful continuous grey cavity of closed row and to row grey cavity inner heating's heating device with first, still be equipped with the gas vent on the grey cavity of row, the first row of hui kou and arrange between the grey cavity and gas vent department all is equipped with the valve, it is equipped with second row ash mouth to arrange grey cavity bottom, the second is arranged an ash mouthful department and is equipped with the ash -valve door. The utility model also discloses a by the grey structure composing's of the aforesaid row antimony smelting burner gas processing system, adopts the utility model provides high gas filtering apparatus's grey effect of row and antimony smelting burner gas treatment effect.
Description
Technical field
This utility model relates to gas filtration field, is specifically related to the stibium melting furnace gas processing system of a kind of ash discharge structure and composition thereof.
Background technology
In industrial processes, sometimes with two or more gaseous matter in the furnace gas that Industrial Stoves are discharged, in order to commercial production needs, it is often necessary to these gaseous matters are easily separated, but generally cannot comparatively up hill and dale by every kind of separating substances. the stibium melting furnace gas such as, discharged in stibium melting furnace mainly contains antimony oxide and arsenic trioxide, antimony application industrially is very extensive, wherein topmost purposes is in that its oxide antimony oxide is for manufacturing refractory material, in order to meet commercial production demand, it is necessary to above two material is easily separated. at present, the production method of industrial antimony oxide mainly adopts pyrometallurgical smelting process, its basic process of production is: discharge high temperature stibium melting furnace gas after antimony ore is oxidized in blast furnace, now containing antimony oxide and arsenic trioxide in high temperature stibium melting furnace gas, wherein the de-sublimation temperature of antimony oxide is higher than the de-sublimation temperature of arsenic trioxide, by different temperatures gradient, antimony oxide and arsenic trioxide are separated after adopting afterwards, but this kind of method cannot be efficiently separating out arsenic trioxide from stibium melting furnace gas, and need substantial amounts of alkali to produce substantial amounts of arsenic slag in follow-up antimony refining process simultaneously.
In order to solve the problems referred to above, it is necessary to use a kind of method that can be separated from stibium melting furnace gas by arsenic trioxide efficiently. such as, the applicant have developed a kind of antimony smelting process voluntarily, the applicant's application number is a kind of lead anode slurry melting high-temperature furnace gas graded temperature-control dust cleaning technique disclosed in the earlier application file of 201410072163.0, the antimony oxide of solid-state powdery is separated by first order filtering unit with the arsenic trioxide of gaseous state in the process, first order filtering unit adopts the filter element that resistant to elevated temperatures sintered porous metal material or sintered ceramic porous material are constituted, the antimony oxide of solid-state powdery intercepts and unified collection after high temperature blowback through filter element, the antimony oxide purity relatively prior art adopting this technique gained is greatly improved, applicants have discovered that the antimony oxide every time collected still exists a small amount of arsenic trioxide all the time.
Utility model content
Technical problem to be solved in the utility model is in that to provide the stibium melting furnace gas processing system of a kind of ash discharge structure improving ash discharge purity and composition thereof.
In order to solve above-mentioned problem of the prior art, this utility model realizes by the following technical solutions:
Ash discharge structure in this utility model, including the first ash discharging hole bottom gas-filtering device, also include the closing ash discharge cavity being connected with the first ash discharging hole and the heater that ash discharge inside cavity is heated, described ash discharge cavity is additionally provided with air vent, between described first ash discharging hole and ash discharge cavity and exhaust ports be equipped with valve, described ash discharge cavity bottom is provided with the second ash discharging hole, and described second ash discharging hole place is provided with ash discharge valve. The heating-up temperature of heating devices heat ash discharge inside cavity is adjusted according to actually used situation, make to enter the relatively low material of ash discharge inside cavity de-sublimation temperature transfer gaseous state to and discharge from air vent, the material that de-sublimation temperature is high keeps solid-state and goes out from ash-valve door row, so that improve the ash discharge effect of gas-filtering device.
The applicant studies discovery, all the time there is a small amount of arsenic trioxide in the unified antimony oxide collected, this part arsenic trioxide mostlys come from inside filtering unit, in antimony oxide discharge process, part gaseous state arsenic trioxide can be discharged along with powdery antimony oxide, owing to there is temperature drop in discharge process, these gaseous state arsenic trioxide can transfer solid-state powdery to and enter in the unified antimony oxide collected, and thus cause that the antimony oxide collected still has a small amount of arsenic trioxide. when above-mentioned ash discharge structure is applied in stibium melting furnace gas, the furnace gas discharged from stibium melting furnace is after cooling, antimony oxide in furnace gas is substantially all is converted into solid-state, arsenic trioxide remains in that gaseous state, in order to the antimony oxide in stibium melting furnace gas is separated with arsenic trioxide, need to adopt gas-filtering device that solid-state antimony oxide therein is intercepted, filter and in gas-filtering device, the first ash discharging hole place deposition bottom gas-filtering device has a certain amount of antimony oxide solid dust after filter element blowback at furnace gas, open the valve between the first ash discharging hole and ash discharge cavity, in the antimony oxide solid dust of deposition and gas-filtering device, a small amount of arsenic trioxide enters into ash discharge inside cavity jointly, close the valve between the first ash discharging hole and ash discharge cavity, owing to ambient temperature declines, part gaseous state arsenic trioxide starts to transfer solid-state to, open heater ash discharge inside cavity is heated, so that the arsenic trioxide transferring solid-state to transfers gaseous state again to, now open the valve of exhaust ports, the arsenic trioxide making gaseous state is discharged, finally open the ash discharge valve at the second ash discharging hole place, solid-state antimony oxide in ash discharge cavity is discharged by the second ash discharging hole and obtains unified collection, the solid-state antimony oxide finally collected is practically free of arsenic trioxide. in like manner, the ash discharge structure in this utility model can also be adopted for what other Industrial Stoves were discharged to carry out ash discharge containing material two kinds different with two or more de-sublimation temperature, improve ash discharge purity, optimize ash discharge effect.
As the further improvement of above-mentioned ash discharge structure, described heater is the high-temperature gas feedway connected with ash discharge inside cavity. High-temperature gas feedway makes the gas that high-temperature gas enters in ash discharge cavity with ash discharge inside cavity be fully contacted and heat, and fully can also be taken out of from exhaust ports by the gas of ash discharge inside cavity after heating.
As the further improvement of above-mentioned ash discharge structure, described high-temperature gas feedway is the blowback gas bag being arranged on gas-filtering device and gas-filtering device carrying out reverse gas cleaning, contains high temperature compressed gas inside described blowback gas bag.High-temperature gas directly utilizes the high temperature compressed gas in blowback gas bag, thereby simplify structure of the present utility model, and more convenient to use.
As the further improvement of above-mentioned ash discharge structure, the air inlet of described gas-filtering device connects with the top of ash discharge cavity, and described high-temperature gas feedway connects with the bottom of ash discharge cavity. For transferring the material of the low de-sublimation temperature of solid-state to finally on high-temperature gas effect gasified the top being present in ash discharge cavity owing to temperature declines, the material of high de-sublimation temperature keeps original solid-state constant and is deposited on the bottom of ash discharge cavity, and said structure is beneficial to both separation. Such as, the arsenic trioxide of gaseous state is distributed in ash discharge cavity top area, the antimony oxide of solid-state is distributed in the bottom section of ash discharge cavity, adopt the structure in this improvement to be more favorable for both and independently discharge ash discharge cavity, air vent is arranged at ash discharge cavity top and is connected with the air inlet of gas-filtering device so that transfers the arsenic trioxide gas of gaseous state to and reenters air inlet pipe and re-enter in defecator together with stibium melting furnace gas to be filtered and be filtered.
As the preferred structure of above-mentioned ash discharge cavity, described ash discharge cavity is ash discharge tank, and described ash discharge pot bottom is cone-shaped, and ash discharge tank bottom cone shape is more favorable for the dust discharge that the second ash discharge is fond of salty food long-pending.
As the further improvement of above-mentioned ash discharge cavity, described ash discharge tank wall is provided with insulation jacket, is beneficial to after high temperature compressed gas enters and keeps tank interior temperature so that the internal ash discharge effect stability of ash discharge tank.
This utility model additionally provides a kind of stibium melting furnace gas processing system being made up of above-mentioned ash discharge structure, including being connected with stibium melting furnace gas outlet and stibium melting furnace gas being cooled to the one-level heat sink of 370-450 DEG C, one-level heat sink is connected with gas-filtering device, the filter element being made up of sintered porous metal material or sintered ceramic porous material it is provided with in described gas-filtering device, gas-filtering device is connected with two grades of heat sinks that the stibium melting furnace gas discharged from gas-filtering device gas outlet is cooled to 120 DEG C-180 DEG C, described two grades of heat sinks are connected with blower fan, described blower fan is connected with cleaner unit, described cleaner unit gas outlet is connected with desulfurizer, it is characterized in that, described gas-filtering device is provided with above-mentioned ash discharge structure. stibium melting furnace gas is carried out graded temperature-control, thus ensure that the separating effect of antimony oxide and arsenic trioxide in stibium melting furnace gas.
Further, described one-level heat sink includes being connected and be cooled to by stibium melting furnace gas 550-700 DEG C with stibium melting furnace gas outlet heat exchanger and the air cooler that 370 DEG C-450 DEG C will be cooled to from heat exchanger stibium melting furnace gas out. Described two grades of heat sinks are surface cooler. It is cone-shaped bottom described gas-filtering device, is thus beneficial to the first ash discharging hole and goes out dust discharge. Described gas-filtering device outer wall is provided with insulation jacket, it is ensured that gas-filtering device self-filtering effect stability.
Accompanying drawing explanation
Below by way of accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Fig. 1 is the gas-filtering device schematic diagram that in this utility model, ash discharge structure is constituted.
Fig. 2 is the schematic diagram of stibium melting furnace gas processing system in this utility model.
Detailed description of the invention
This utility model is illustrated by stibium melting furnace gas defecator and stibium melting furnace gas processing system that this detailed description of the invention is constituted for ash discharge structure.
As Fig. 1 illustrates the stibium melting furnace gas defecator that a kind of ash discharge structure is constituted, including gas-filtering device 1 shell and the filter element 110 being arranged at gas-filtering device 1 enclosure, described gas-filtering device 1 outer casing bottom is cone-shaped, and described gas-filtering device 1 outer shell outer wall is provided with the first insulation jacket 150.Described filter element 110 is made up of sintered porous metal material or sintered ceramic porous material, gas-filtering device 1 air inlet place is provided with air inlet pipe 120, air inlet pipe 120 is sequentially provided with the first valve 121 along gas flow direction, first pressure detecting instrument 122, first temperature monitor 123, described air inlet pipe 120 air inlet is connected with the stibium melting furnace source of the gas containing solid-state like antimony oxide Yu gaseous state shape arsenic trioxide, the gas outlet place of gas-filtering device 1 is provided with escape pipe 130, described escape pipe 120 is sequentially provided with the second pressure detecting instrument 132 along gas flow direction, second temperature monitor 133, second valve 132, gas-filtering device 1 outer casing bottom is provided with the first ash discharging hole 160, described gas-filtering device 1 cover top portion is provided with high temperature back-blowing device 2, high temperature back-blowing device 2 includes blowback gas bag 210, it is arranged at the electric heater unit 230 in blowback gas bag 210, the injection tube 240 of connection blowback gas bag 210 and gas-filtering device 1 enclosure, it is arranged at the pulse valve 220 in injection tube 240, the compressed gas source of described blowback gas bag 210 external maintenance stibium melting furnace source of the gas state, here compressed gas source is preferably source nitrogen, described first pressure detecting instrument 122, second pressure detecting instrument 132, pulse valve 122 is all connected with controller, described first ash discharging hole 160 is connected with the ash discharge tank 3 of closing, in cone-shaped bottom described ash discharge tank 3, described ash discharge tank 3 is connected by the first pipeline 310 with air inlet pipe 120, first pipeline 310 is provided with the 3rd valve 311 controlling gas break-make, described ash discharge tank 3 is respectively communicated with by second pipe 320 and blowback gas bag 210, described second pipe 320 is provided with the 4th valve 321 controlling gas break-make, it is provided with the 5th valve 140 between described first ash discharging hole 160 and ash discharge tank 3, the second ash discharging hole 350 it is provided with bottom described ash discharge tank 3, described second ash discharging hole 350 place is provided with ash discharge valve 330, described air inlet pipe 120 is connected with the top of ash discharge cavity by the first pipeline 310, described blowback gas bag 210 is connected with the bottom of ash discharge cavity by second pipe 320. in this detailed description of the invention, preferred described stibium melting furnace source of the gas and hot-gas temperature range for 370-450 DEG C, and described ash discharge tank 3 outer wall is provided with the second insulation jacket 340. the filter element 110 being made up of sintered porous metal material or sintered ceramic porous material it is provided with in wherein said gas-filtering device 1.
A kind of stibium melting furnace gas processing system as shown in Figure 2, including being connected with stibium melting furnace 4 gas outlet and stibium melting furnace gas being cooled to the heat exchanger 5 of 550-700 DEG C, described heat exchanger 5 is connected with by the air cooler 6 being cooled to 370 DEG C-450 DEG C from heat exchanger 5 stibium melting furnace gas out, the gas-filtering device 1 that described air cooler 6 is constituted with above-mentioned exhaust structure is connected, gas-filtering device 1 and the surface cooler 7 that the stibium melting furnace gas discharged from gas-filtering device 1 gas outlet is cooled to 120 DEG C-180 DEG C, described surface cooler 7 is connected with blower fan 8, described blower fan 8 is connected with cleaner unit 9, described cleaner unit 9 gas outlet is connected with desulfurizer 10.
Specifically used method of the present utility model is as follows: under normal operating conditions, first valve 121 and the second valve 131 are all opened, the admission pressure of the real-time detected gas defecator 1 of controller 4 and outlet pressure, monitoring the first temperature monitor 123 and the second temperature monitor 133 make system pressure remain stable in real time, the stibium melting furnace gas discharged from stibium melting furnace is cooled to 370-450 DEG C after heat exchanger 5 and air cooler 6 cool down, now in furnace gas, antimony oxide is solid-state, arsenic trioxide is gaseous state, this furnace gas is entered gas-filtering device 1 by air inlet pipe 120 and is filtered, gaseous state arsenic trioxide is discharged by escape pipe 130, afterwards at the effect borehole cooling of surface cooler 7 to 120-180 DEG C, gaseous state arsenic trioxide is made to transfer solid-state to, entering cleaner unit 9 afterwards makes solid-state arsenic trioxide be collected, whole process is provided power by blower fan 8, from cleaner unit 9, expellant gas entrance desulfurizer 10 carries out desulfurization process.But, after using a period of time to filter, filter element 110 deposited one layer of antimony oxide dust, after high temperature back-blowing device 2 blowback, the antimony oxide dust of solid-state is deposited on the first ash discharging hole 160 place, open the 5th valve 140, the antimony oxide of solid-state and a small amount of gaseous state arsenic trioxide together enter in ash discharge tank 3, opening the 4th valve 321 makes high temperature compressed source nitrogen enter in ash discharge tank 3, the a small amount of arsenic trioxide transferring solid-state to is made again to transfer gaseous state to, close the 4th valve 321 afterwards, open the 3rd valve 311 to re-enter into together with stibium melting furnace gas to be filtered so that the arsenic trioxide gas transferring gaseous state to reenters air inlet pipe defecator is filtered, finally open the ash discharge valve 330 at the second ash discharging hole 350 place, solid-state antimony oxide in ash discharge cavity is discharged by the second ash discharging hole and obtains unified collection, the solid-state antimony oxide finally collected is practically free of arsenic trioxide.
Claims (10)
1. ash discharge structure, the first ash discharging hole (160) including gas-filtering device (1) bottom, it is characterized in that, also include the ash discharge cavity being connected with the first ash discharging hole (160) and the heater that ash discharge inside cavity is heated, described ash discharge cavity is additionally provided with air vent, between described first ash discharging hole (160) and ash discharge cavity and exhaust ports be equipped with valve, described ash discharge cavity bottom is provided with the second ash discharging hole (350), and described second ash discharging hole (350) place is provided with ash discharge valve (330).
2. ash discharge structure as claimed in claim 1, it is characterised in that described heater is the high-temperature gas feedway connected with ash discharge inside cavity.
3. ash discharge structure as claimed in claim 2, it is characterized in that, described high-temperature gas feedway is the blowback gas bag (210) being arranged on gas-filtering device (1) and gas-filtering device (1) is carried out reverse gas cleaning, and described blowback gas bag (210) is internal contains high temperature compressed gas.
4. ash discharge structure as claimed in claim 2, it is characterized in that, described air vent is arranged at ash discharge cavity top, and described air vent connects with the air inlet of described gas-filtering device (1), and described high-temperature gas feedway connects with the bottom of ash discharge cavity.
5. ash discharge structure as claimed in claim 1, it is characterised in that described ash discharge cavity is ash discharge tank (3), described ash discharge tank (3) bottom is cone-shaped.
6. ash discharge structure as claimed in claim 5, it is characterised in that described ash discharge tank (3) outer wall is provided with insulation jacket.
7. stibium melting furnace gas processing system, including being connected with stibium melting furnace (4) gas outlet and stibium melting furnace gas being cooled to the one-level heat sink of 370-450 DEG C, one-level heat sink is connected with gas-filtering device (1), the filter element (110) being made up of sintered porous metal material or sintered ceramic porous material it is provided with in described gas-filtering device (1), gas-filtering device (1) is connected with two grades of heat sinks that the stibium melting furnace gas discharged from gas-filtering device (1) gas outlet is cooled to 120 DEG C-180 DEG C, described two grades of heat sinks are connected with blower fan (8), described blower fan (8) is connected with cleaner unit (9), described cleaner unit (9) gas outlet is connected with desulfurizer (10), it is characterized in that, the ash discharge structure that described gas-filtering device (1) is provided with in claim 1-5 described in any one claim.
8. stibium melting furnace gas processing system as claimed in claim 7, it is characterized in that, heat exchanger (5) that described one-level heat sink includes being connected and be cooled to by stibium melting furnace gas 500-700 DEG C with stibium melting furnace (4) gas outlet and the air cooler (6) that will be cooled to 370 DEG C-450 DEG C from heat exchanger stibium melting furnace gas out, described two grades of heat sinks are surface cooler (7).
9. stibium melting furnace gas processing system as claimed in claim 7, it is characterised in that described gas-filtering device (1) bottom is cone-shaped.
10. stibium melting furnace gas processing system as claimed in claim 7, it is characterised in that described gas-filtering device (1) outer wall is provided with insulation jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027638.0U CN205313119U (en) | 2015-12-10 | 2015-12-10 | Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027638.0U CN205313119U (en) | 2015-12-10 | 2015-12-10 | Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205313119U true CN205313119U (en) | 2016-06-15 |
Family
ID=56185861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521027638.0U Active CN205313119U (en) | 2015-12-10 | 2015-12-10 | Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205313119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191451A (en) * | 2016-08-26 | 2016-12-07 | 云南省固体废物管理中心 | A kind of efficient low-consume processes the device of zinc abstraction mud |
| CN111359335A (en) * | 2020-03-31 | 2020-07-03 | 成都易态科技有限公司 | Ash discharge device and ash discharge method |
-
2015
- 2015-12-10 CN CN201521027638.0U patent/CN205313119U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191451A (en) * | 2016-08-26 | 2016-12-07 | 云南省固体废物管理中心 | A kind of efficient low-consume processes the device of zinc abstraction mud |
| CN106191451B (en) * | 2016-08-26 | 2017-12-15 | 云南省固体废物管理中心 | A kind of device of efficient low-consume processing zinc abstraction sludge |
| CN111359335A (en) * | 2020-03-31 | 2020-07-03 | 成都易态科技有限公司 | Ash discharge device and ash discharge method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107663588B (en) | A kind of method of melting continuously carbide slag | |
| CN205313119U (en) | Arrange grey structure and antimony smelting burner gas processing system who constitutes thereof | |
| CN105396403B (en) | A kind of yellow phosphorus furnace gas high-temperature dust removal system | |
| CN104099481B (en) | High-temperature dust-containing flue gas purification process in tin smelting and specific equipment row | |
| CN113578211B (en) | Energy-saving efficient oxidation equipment for zinc oxide production | |
| CN103266220B (en) | The calcination process technique of Tin concentrate and specific equipment row | |
| CN105854432B (en) | The compact continuous filter unit and its filter method of the easy precipitate gaseous mixture of high temperature | |
| CN202460393U (en) | Cooling positive-pressure back-suction big cloth bag dust removal device for submerged arc furnace | |
| CN101595815A (en) | A kind of straw mushroom house warming device and using method thereof | |
| CN205914765U (en) | Vacuum sintering stove with metal vapors filter equipment | |
| CN204255075U (en) | Wind vanadophosphoric ferric ore deposit being carried out to ferrovanadium separation melts formula smelting furnace | |
| CN210980857U (en) | Hot stove waste heat utilization equipment of gold mine | |
| CN105018731B (en) | Lead anode slurry melting flue dust gasifies and graded temperature-control recovery process | |
| CN103088412B (en) | The reacting furnace of etching roasting plant | |
| CN207738776U (en) | A kind of shaft furnace stock gas tapping equipment and shaft furnace | |
| CN102865741B (en) | Metal magnesium and calcium reduction furnace thermal storage combustion system and control method thereof | |
| CN102489082B (en) | System and method for collecting dust in tailing-dust-laden gas in manganese alloy production | |
| CN101476052B (en) | Germanium volatilization oxidation oven | |
| CN101430163B (en) | Multicenter burner gas distributer for short-process reduction zinc powder fabrication | |
| CN205974427U (en) | Gasification furnace | |
| CN213020966U (en) | Carbon element product roasting device | |
| CN102230729A (en) | Tunnel kiln structure for sintering electronic products | |
| CN109137066A (en) | Reduce the polycrystalline silicon ingot or purifying furnace of high-purity argon gas usage amount | |
| CN210845601U (en) | Bag type dust collector | |
| CN207095284U (en) | Vertical vacuum furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |