CN202161911U - Flue gas treatment equipment - Google Patents
Flue gas treatment equipment Download PDFInfo
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- CN202161911U CN202161911U CN201120204040XU CN201120204040U CN202161911U CN 202161911 U CN202161911 U CN 202161911U CN 201120204040X U CN201120204040X U CN 201120204040XU CN 201120204040 U CN201120204040 U CN 201120204040U CN 202161911 U CN202161911 U CN 202161911U
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- selenium
- flue gas
- gas
- reduction reaction
- fume treatment
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Abstract
The utility model provides flue gas treatment equipment. Flue gas contains selenium dioxide, and the flue gas treatment equipment comprises a cooling device, a dewatering device, a washing device, a selenium reduction reactor and a solid-liquid separating device, wherein the cooling device is used for cooling the flue gas to obtain cooled flue gas, the dewatering device connected with the cooling device is used for dewatering the cooled flue gas to obtain dewatered flue gas, the washing device connected with the dewatering device is used for washing the dewatered flue gas to obtain washed flue gas and washing liquid, the selenium reduction reactor connected with the washing device is used for realizing reduction reaction of the washing liquid and sulfur dioxide to generate mixture containing elemental selenium, and the solid-liquid separating device connected with the selenium reduction reactor is used for separating the mixture containing the elemental selenium to separate and recycle the selenium. The equipment can be used for effectively recycling the selenium in the flue gas.
Description
Technical field
The utility model relates to field of metallurgy.Concrete, relate to fume treatment auxiliary.
Background technology
The discussion of following background technology does not also mean that or does not admit that following any method or equipment are the part of prior art or general knowledge as well known to those skilled in the art.
In field of metallurgy, especially in the converting process process, can produce a large amount of flue gases usually, country is to the environmental protection requirement increasingly stringent, thereby flue gas need carry out purified treatment before discharging.Yet, still do not have effective treatment facility and method for the flue gas that contains selenium dioxide at present.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, the utility model purpose is to propose a kind of equipment that can effectively handle the flue gas that contains selenium dioxide.
An embodiment according to the utility model provides a kind of fume treatment auxiliary, and said flue gas contains selenium dioxide, it is characterized in that, said fume treatment auxiliary comprises: cooling device, be used for said flue gas is cooled off, and obtain flue gas through supercooling; Dewater unit, said dewater unit link to each other with said cooling device and are used for said flue gas through supercooling is dewatered, and obtain the flue gas through dehydration; Wash mill, said wash mill link to each other with said dewater unit and are used for said flue gas through dehydration is washed, and obtain flue gas and cleaning solution through washing; Selenium reduction reaction still, said selenium reduction reaction still links to each other with said wash mill, is used to make said cleaning solution and sulfur dioxide generation reduction reaction, generates the mixture that contains simple substance selenium; And equipment for separating liquid from solid, said equipment for separating liquid from solid links to each other with said selenium reduction reaction still, is used for the said mixture that contains simple substance selenium is separated, to separate and recovery selenium.Utilize this flue gas reclaimer, can from the flue gas that contains selenium dioxide, reclaim selenium effectively, realize the effect of flue.
According to the embodiment of the utility model, fume treatment auxiliary can also have following additional technical feature:
According to an embodiment of the utility model, said cooling device is a spray cooler.Thus, can realize effective cooling to flue gas.
According to an embodiment of the utility model, said dewater unit is the gravity dehydrator.Thus, can utilize gravity dehydration, reduce power consumption.
According to an embodiment of the utility model, said wash mill is a Venturi scrubber.Thus, can improve the efficient of washing flue gas.
An embodiment according to the utility model further comprises the sulfur dioxide storage tank, and said sulfur dioxide storage tank links to each other with said selenium reduction reaction still, is used for supplying with sulfur dioxide to said selenium reduction reaction still.Thus, can control the quantity delivered of sulfur dioxide as required.
An embodiment according to the utility model further comprises the sulfur dioxide cleaning device, and said sulfur dioxide cleaning device links to each other with said equipment for separating liquid from solid, is used for the sulfur dioxide of remnants is absorbed.Thus, further flue improves the quality of discharging flue gas.
According to an embodiment of the utility model, said equipment for separating liquid from solid is for revolving wet dehydrator, electrostatic precipitator.Thus, can improve the rate of recovery of selenium.
An embodiment according to the utility model further comprises the selenium purification devices, and said selenium purification devices links to each other with said equipment for separating liquid from solid, is used for the selenium that separates is carried out purifying.Thus, can obtain purified selenium, improve the quality of products.
According to an embodiment of the utility model, said selenium purification devices is made up of filter-pressing device, pulp device, wash mill and filter-pressing device.Thus,, can access selenium, improve product quality through being further purified through press filtration, pulp, washing and press filtration.
According to an embodiment of the utility model, said Venturi scrubbing device has hydraulicdriven adjustable trunnion.Thus, can regulate the open degree of trunnion as required, can increase work efficiency, avoid waste.
An embodiment according to the utility model; Further comprise gas-liquid separation device; Said gas-liquid separation device links to each other with said selenium reduction reaction still with said wash mill respectively; So that said flue gas through washing is carried out gas-liquid separation, obtain tail gas and the liquid that contains selenium dioxide, and the said liquid that contains selenium dioxide is delivered to selenium reduction reaction still.Thus, can reduce Se content in the discharged flue gas, improve the organic efficiency of selenium simultaneously.
An embodiment according to the utility model further comprises exhaust gas processing device, and said vent gas treatment links to each other with said gas-liquid separation device, is used for said tail gas is handled.Thus, can improve the degree of purification of the tail gas that discharges.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the sketch map according to the equipment that is used for smoke treatment of the utility model embodiment;
Fig. 2 is the sketch map according to the equipment that is used for smoke treatment of another embodiment of the utility model;
Fig. 3 is the sketch map according to the equipment that is used for smoke treatment of the another embodiment of the utility model;
Fig. 4 is the sketch map according to the equipment that is used for smoke treatment of the another embodiment of the utility model;
Fig. 5 is the schematic flow sheet of the method for smoke treatment; And
Fig. 6 is the schematic flow sheet of the method for another one smoke treatment.
The specific embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; Term " vertically ", " laterally ", " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the utility model rather than requiring the utility model therefore can not be interpreted as restriction with specific azimuth configuration and operation to the utility model.The term that uses in the utility model " links to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, and also can be to removably connect; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be through intermediary.
Understand for ease, the equipment of at first flue gas that contains selenium dioxide being handled is described.
Aspect of the utility model, a kind of equipment that is used to handle the flue gas that contains selenium dioxide is provided.With reference to figure 1-4, according to an embodiment of the utility model, according to the flow process that flue gas is handled, fume treatment auxiliary comprises: cooling device, dewater unit, wash mill, selenium reduction reaction still and equipment for separating liquid from solid.Utilize this fume treatment auxiliary, can from the flue gas that contains selenium dioxide, reclaim selenium effectively, realize the effect of flue.
Supply in the cooling device through the flue gas that will contain selenium dioxide, said flue gas is cooled off, obtain flue gas through supercooling.According to the embodiment of the utility model, the type that can be used to be applied to the flue gas of the utility model does not receive special restriction, as long as wherein contain selenium dioxide.According to the embodiment of the utility model, the type of the cooling device that can adopt does not receive special restriction, as long as can realize the cooling to flue gas.According to an embodiment of the utility model, adopt spray cooler, thus, can realize effective cooling, and can reduce cost flue gas.Particularly, can adopt compressed air cylinder, tank to link to each other, in spray cooler, form water smoke, thus, can realize cooling, and can tentatively wash flue gas to flue gas with spray cooler.According to the concrete example of the utility model, can tank be arranged on the top of spray cooler, so that utilize gravity to realize supplying water in the cooling device, thus, can guarantee the safe operation of flue gas purification system.
According to the embodiment of the utility model, the dewater unit flue gas that is used for through supercooling that links to each other with said cooling device dewaters, and obtains the flue gas through dehydration.According to the embodiment of the utility model, the type of dewater unit does not receive special restriction.In a concrete example of the utility model, adopt the gravity dehydration device.Thus, can utilize gravity dehydration, reduce power consumption, reduce production cost, improve operating efficiency.
According to the embodiment of the utility model, wash mill links to each other with dewater unit and is used for obtaining the flue gas through washing to washing through the flue gas that dewaters.The mode that flue gas is washed does not receive special restriction, can adopt water that flue gas is washed.According to a concrete example of the utility model, adopt Venturi scrubber, utilize water as cleaning solution, flue gas is carried out circulation cleaning.According to the embodiment of the utility model, Venturi scrubber comprises contraction section, trunnion and diffuser.After dusty gas got into contraction section, flow velocity increased, and getting into trunnion is to reach maximum.Cleaning solution adds from contraction section or trunnion, and relative velocity is very big between gas-liquid two-phase, and drop atomizes under high velocity air, and gas humidity reaches capacity, and grit is moistening by water.Fierce collision and cohesion take place between grit and drop or the grit.At diffuser, gas-liquid speed reduces, and pressure gos up, and is that the cohesion of the nuclei of condensation is accelerated with the grit, is condensed into the bigger dust-laden drop of diameter, and then in demister, is captured.Thus, can improve the efficient of washing flue gas.According to the concrete example of the utility model, the Venturi scrubbing device has hydraulicdriven adjustable trunnion.Thus, can regulate the open degree of trunnion as required, can increase work efficiency, avoid waste.The inhomogenous smelting process of flue gas supply that converting furnace produced that can adapt to intermittent operation.
After carrying out carrying out washing treatment, obtain flue gas and cleaning solution through washing.According to the embodiment of the utility model, selenium reduction reaction still links to each other with said wash mill, is used to make cleaning solution (containing the selenium that is mainly the selenous acid form) and sulfur dioxide generation reduction reaction, generates the mixture that contains the selenium deposition.Cleaning solution is supplied in the selenium reduction reaction still, following reaction takes place with sulfur dioxide in the selenium reduction reaction still:
SeO
2+H
2O＝H
2SeO
3
H
2SeO
3+2SO
2+H
2O＝Se↓+2H
2SO
4
Thus, deposition selenium and sulfuric acid have been generated.According to the embodiment of the utility model, the mode of in selenium reduction reaction still, supplying with sulfur dioxide does not receive special restriction.According to some examples of the utility model, can adopt the sulfur dioxide storage tank is set, said sulfur dioxide storage tank links to each other with said selenium reduction reaction still, is used for supplying with sulfur dioxide to said selenium reduction reaction still.Thus, can control the quantity delivered of sulfur dioxide as required.The inhomogenous smelting process of flue gas supply that converting furnace produced that can adapt to intermittent operation.In addition, according to the concrete example of the utility model, the sulfur dioxide cleaning device can also be set further, said sulfur dioxide cleaning device links to each other with said gas-liquid separation device, is used for the sulfur dioxide of remnants is absorbed.Thus, further flue improves the quality of discharging flue gas.Can adopt absorbent for example sodium hydroxide solution sulfur in smoke is absorbed.The applicant finds to utilize the sodium hydroxide solution of 6 weight %, can guarantee the absorption efficiency of sulfur dioxide.
According to the embodiment of the utility model, equipment for separating liquid from solid links to each other with selenium reduction reaction still, is used for the said mixture that contains the selenium deposition is separated, to reclaim selenium.According to the embodiment of the utility model, the type of the equipment for separating liquid from solid that can adopt does not receive special restriction, can adopt to revolve wet dehydrator, electrostatic precipitator.Thus, can improve the rate of recovery of selenium.According to the embodiment of the utility model, can also the selenium that separated be further purified.According to the example of the utility model, can adopt the selenium purification devices, said selenium purification devices links to each other with said equipment for separating liquid from solid, is used for the selenium that separates is carried out purifying.Thus, can obtain purified selenium, improve the quality of products.Concrete, said selenium purification devices is made up of filter-pressing device, pulp device, wash mill and filter-pressing device.Thus,, can access selenium, improve product quality through being further purified through press filtration, pulp, washing and press filtration.
Embodiment according to the utility model can further include gas-liquid separation device, and gas-liquid separation device links to each other with selenium reduction reaction still with wash mill respectively; Thus, can receive flue gas, and it carried out gas-liquid separation handle from wash mill through washing; Obtain through can discharge tail gas, and liquid, this liquid contains selenium; Thereby can this liquid be back to selenium reduction reaction still and handle; Thus, can reduce Se content in the discharged flue gas, improve the organic efficiency of selenium simultaneously.In addition, according to an embodiment of the utility model, before discharging tail gas; Can also carry out conventional treatment to tail gas; For example through exhaust gas processing device is set, this exhaust gas processing device links to each other with gas-liquid separation device, receives flue gas and handles from this gas-liquid separation device.Thus, can improve the degree of purification of the tail gas that discharges.According to the embodiment of the utility model, the type of gas-liquid separation device and flue gas processing device does not receive special restriction, can be known devices commonly used in any this area, and those skilled in the art can suitably select according to actual conditions.
Understand for ease, describe below and utilize above-mentioned fume treatment auxiliary to carry out the method that flue gas is handled.
Utilization can be implemented a kind of method of using aforementioned fume treatment auxiliary to carry out the flue gas processing according to the flue gas processing device of the utility model, and said flue gas contains selenium dioxide.
With reference to figure 5-6, this flue gas processing method may further comprise the steps:
Said flue gas is supplied to said cooling device, said flue gas is cooled off, obtain flue gas through supercooling.Usually, the flue gas that metallurgical industry produced, the temperature of the flue gas that especially converting process produced is higher, is generally about 400-500 degree centigrade, for example 450 degrees centigrade.Through after the cooling processing, flue-gas temperature is reduced to 65-75 degree centigrade, for example 70 degrees centigrade.Thus, can be so that the carrying out of follow-up processing.The inventor finds, the temperature of flue gas is reduced to 70 degrees centigrade, with the efficient that obviously improves follow-up reduction reaction.According to an embodiment of this flue gas processing method, the type that can be used to be applied to the flue gas of the utility model does not receive special restriction, as long as wherein contain selenium dioxide.According to the embodiment of this flue gas processing method, the type of the cooling device that can adopt does not receive special restriction, as long as can realize the cooling to flue gas.According to an embodiment of this flue gas processing method, adopt spray cooler, thus, can realize effective cooling, and can reduce cost flue gas.Particularly, can adopt compressed air cylinder, tank to link to each other, in spray cooler, form water smoke, thus, can realize cooling, and can tentatively wash flue gas to flue gas with spray cooler.According to the concrete example of the utility model, can tank be arranged on the top of spray cooler, so that utilize gravity to realize supplying water in the cooling device, thus, can save power.
Next, will supply to dewater unit, said flue gas through supercooling will be carried out processed, obtain flue gas through dehydration through the flue gas of supercooling.According to the embodiment of this flue gas processing method, the type of dewater unit does not receive special restriction.According to a concrete example of this flue gas processing method, adopt the gravity dehydration device.Thus, can utilize gravity dehydration, reduce power consumption, reduce production cost, improve operating efficiency.
Then, said flue gas through dehydration is supplied to wash mill, said flue gas through dehydration is washed, obtain flue gas through washing.According to a concrete example of the utility model, adopt Venturi scrubber, utilize water as cleaning solution, flue gas is carried out circulation cleaning.According to a concrete example of this flue gas processing method, Venturi scrubber comprises contraction section, trunnion and diffuser.After dusty gas got into contraction section, flow velocity increased, and getting into trunnion is to reach maximum.Cleaning solution adds from contraction section or trunnion, and relative velocity is very big between gas-liquid two-phase, and drop atomizes under high velocity air, and gas humidity reaches capacity, and grit is moistening by water.Fierce collision and cohesion take place between grit and drop or the grit.At diffuser, gas-liquid speed reduces, and pressure gos up, and is that the cohesion of the nuclei of condensation is accelerated with the grit, is condensed into the bigger dust-laden drop of diameter, and then in demister, is captured.Thus, can improve the efficient of washing flue gas.According to a concrete example of this flue gas processing method, the Venturi scrubbing device has hydraulicdriven adjustable trunnion.Thus, can regulate the open degree of trunnion as required, can increase work efficiency, avoid waste.The inhomogenous smelting process of flue gas supply that converting furnace produced that can adapt to intermittent operation.
After carrying out carrying out washing treatment, obtain flue gas and cleaning solution through washing.Next, cleaning solution (contain selenium, mainly be the selenous acid form) is supplied to selenium reduction reaction still, and in selenium reduction reaction still, supplies with sulfur dioxide, make that flue gas and the sulfur dioxide in selenium reduction reaction still reacts, generate the mixture that contains the selenium deposition.Cleaning solution is supplied in the selenium reduction reaction still, following reaction takes place with sulfur dioxide in the selenium reduction reaction still:
SeO
2+H
2O＝H
2SeO
3
H
2SeO
3+2SO
2+H
2O＝Se↓+2H
2SO
4
Thus, deposition selenium and sulfuric acid have been generated.According to a concrete example of this flue gas processing method, the mode of in selenium reduction reaction still, supplying with sulfur dioxide does not receive special restriction.According to a concrete example of this flue gas processing method, can adopt the sulfur dioxide storage tank is set, said sulfur dioxide storage tank links to each other with said selenium reduction reaction still, is used for supplying with sulfur dioxide to said selenium reduction reaction still.Thus, can control the quantity delivered of sulfur dioxide as required.The inhomogenous smelting process of flue gas supply that converting furnace produced that can adapt to intermittent operation.In addition, a concrete example according to this flue gas processing method can also further be provided with the sulfur dioxide cleaning device, and said sulfur dioxide cleaning device links to each other with said gas-liquid separation device, is used for the sulfur dioxide of remnants is absorbed.Thus, further flue improves the quality of discharging flue gas.Can adopt absorbent for example sodium hydroxide solution sulfur in smoke is absorbed.The applicant finds to utilize the sodium hydroxide solution of 6 weight %, can guarantee the absorption efficiency of sulfur dioxide.The inventor finds, the temperature in the selenium reduction reaction still is set in the 70-80 degree centigrade of scope, with the reaction efficiency that improves the selenium reduction reaction significantly, and reduces industrial cost.
At last, the said mixture that contains the selenium deposition is supplied to said equipment for separating liquid from solid, and reclaims selenium.According to a concrete example of this flue gas processing method, the type of the equipment for separating liquid from solid that can adopt does not receive special restriction, can adopt to revolve wet dehydrator or electrostatic precipitator as gas-liquid separation device.Thus, can improve the rate of recovery of selenium.
A concrete example according to this flue gas processing method can also be further purified the selenium that is separated.A concrete example according to this flue gas processing method can adopt the selenium purification devices, and said selenium purification devices links to each other with said equipment for separating liquid from solid, is used for the selenium that separates is carried out purifying.Thus, can obtain purified selenium, improve the quality of products.Concrete, said selenium purification devices is made up of filter-pressing device, pulp device, wash mill and filter-pressing device.Thus,, can access selenium, improve product quality through being further purified through press filtration, pulp, washing and press filtration.
In addition,,, can also further carry out gas-liquid separation, obtain tail gas and the liquid that contains selenium dioxide flue gas through washing according to a concrete example of this flue gas processing method to flue gas through washing.Particularly, can be through gas-liquid separation device be set, gas-liquid separation device links to each other with selenium reduction reaction still with wash mill respectively, thus; Can receive flue gas from wash mill, and it carried out gas-liquid separation handle, obtain through can discharge tail gas through washing; And liquid, this liquid contains selenium, thereby can this liquid be back to selenium reduction reaction still and handle; Thus, can reduce Se content in the discharged flue gas, improve the organic efficiency of selenium simultaneously.In addition, according to a concrete example of this flue gas processing method, before discharging tail gas; Can also carry out conventional treatment to tail gas; For example through exhaust gas processing device is set, this exhaust gas processing device links to each other with gas-liquid separation device, receives flue gas and handles from this gas-liquid separation device.Thus, can improve the degree of purification of the tail gas that discharges.According to a concrete example of this flue gas processing method, the type of gas-liquid separation device and flue gas processing device does not receive special restriction, can be known devices commonly used in any this area, and those skilled in the art can suitably select according to actual conditions.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.
Claims (12)
1. fume treatment auxiliary, said flue gas contains selenium dioxide, it is characterized in that, and said fume treatment auxiliary comprises:
Cooling device is used for said flue gas is cooled off, and obtains the flue gas through supercooling;
Dewater unit, said dewater unit link to each other with said cooling device and are used for said flue gas through supercooling is dewatered, and obtain the flue gas through dehydration;
Wash mill, said wash mill link to each other with said dewater unit and are used for said flue gas through dehydration is washed, and obtain flue gas and cleaning solution through washing;
Selenium reduction reaction still, said selenium reduction reaction still links to each other with said wash mill, is used to make said cleaning solution and sulfur dioxide generation reduction reaction, generates the mixture that contains simple substance selenium; And
Equipment for separating liquid from solid, said equipment for separating liquid from solid links to each other with said selenium reduction reaction still, is used for the said mixture that contains simple substance selenium is separated, to separate and recovery selenium.
2. fume treatment auxiliary according to claim 1 is characterized in that, said cooling device is a spray cooler.
3. fume treatment auxiliary according to claim 1 is characterized in that, said dewater unit is the gravity dehydrator.
4. fume treatment auxiliary according to claim 1 is characterized in that, said wash mill is a Venturi scrubber.
5. fume treatment auxiliary according to claim 1 is characterized in that, further comprises the sulfur dioxide storage tank, and said sulfur dioxide storage tank links to each other with said selenium reduction reaction still, is used for supplying with sulfur dioxide to said selenium reduction reaction still.
6. fume treatment auxiliary according to claim 1 is characterized in that, further comprises the sulfur dioxide cleaning device, and said sulfur dioxide cleaning device links to each other with said equipment for separating liquid from solid, is used for the sulfur dioxide of remnants is absorbed.
7. fume treatment auxiliary according to claim 1 is characterized in that, said equipment for separating liquid from solid is for revolving wet dehydrator, electrostatic precipitator.
8. fume treatment auxiliary according to claim 1 is characterized in that, further comprises the selenium purification devices, and said selenium purification devices links to each other with said equipment for separating liquid from solid, is used for the selenium that separates is carried out purifying.
9. fume treatment auxiliary according to claim 1 is characterized in that, said selenium purification devices is made up of filter-pressing device, pulp device, wash mill and filter-pressing device.
10. fume treatment auxiliary according to claim 1 is characterized in that, said Venturi scrubbing device has hydraulicdriven adjustable trunnion.
11. fume treatment auxiliary according to claim 1; It is characterized in that; Further comprise gas-liquid separation device, said gas-liquid separation device links to each other with said selenium reduction reaction still with said wash mill respectively, so that said flue gas through washing is carried out gas-liquid separation; Obtain tail gas and the liquid that contains selenium dioxide, and the said liquid that contains selenium dioxide is delivered to selenium reduction reaction still.
12. fume treatment auxiliary according to claim 11 is characterized in that, further comprises exhaust gas processing device, said vent gas treatment links to each other with said gas-liquid separation device, is used for said tail gas is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204040XU CN202161911U (en) | 2011-06-16 | 2011-06-16 | Flue gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204040XU CN202161911U (en) | 2011-06-16 | 2011-06-16 | Flue gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202161911U true CN202161911U (en) | 2012-03-14 |
Family
ID=45797763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120204040XU Expired - Lifetime CN202161911U (en) | 2011-06-16 | 2011-06-16 | Flue gas treatment equipment |
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| CN (1) | CN202161911U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284236A (en) * | 2011-06-16 | 2011-12-21 | 中国恩菲工程技术有限公司 | Equipment for treating gas fume |
| CN102757023A (en) * | 2012-07-23 | 2012-10-31 | 济源市金利冶炼有限责任公司 | Method for recovering selenium from lead smelting soot |
| WO2016004659A1 (en) * | 2014-07-11 | 2016-01-14 | 深圳市华星光电技术有限公司 | Gas cooling apparatus and high-temperature operating system |
| US11439979B2 (en) * | 2020-06-23 | 2022-09-13 | Tripod Nano Technology Corporation | Method of making colloidal selenium nanoparticles |
-
2011
- 2011-06-16 CN CN201120204040XU patent/CN202161911U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284236A (en) * | 2011-06-16 | 2011-12-21 | 中国恩菲工程技术有限公司 | Equipment for treating gas fume |
| CN102757023A (en) * | 2012-07-23 | 2012-10-31 | 济源市金利冶炼有限责任公司 | Method for recovering selenium from lead smelting soot |
| CN102757023B (en) * | 2012-07-23 | 2014-08-13 | 济源市金利冶炼有限责任公司 | Method for recovering selenium from lead smelting soot |
| WO2016004659A1 (en) * | 2014-07-11 | 2016-01-14 | 深圳市华星光电技术有限公司 | Gas cooling apparatus and high-temperature operating system |
| US10295235B2 (en) | 2014-07-11 | 2019-05-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Gas cooling equipment and high temperature operating system |
| US11439979B2 (en) * | 2020-06-23 | 2022-09-13 | Tripod Nano Technology Corporation | Method of making colloidal selenium nanoparticles |
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