CN202516693U - Internal heating device for electrostatic precipitator for molybdenum roasting - Google Patents
Internal heating device for electrostatic precipitator for molybdenum roasting Download PDFInfo
- Publication number
- CN202516693U CN202516693U CN2012201833004U CN201220183300U CN202516693U CN 202516693 U CN202516693 U CN 202516693U CN 2012201833004 U CN2012201833004 U CN 2012201833004U CN 201220183300 U CN201220183300 U CN 201220183300U CN 202516693 U CN202516693 U CN 202516693U
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- Prior art keywords
- electric cleaner
- stop valve
- flue gas
- molybdenum
- electrostatic precipitator
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Abstract
The utility model discloses an internal heating device for an electrostatic precipitator for molybdenum roasting. The internal heating device comprises a hot air conveying pipeline which is connected with a molybdenum roasting flue gas input pipeline of the electrostatic precipitator and a hot air exhaust pipe which is connected with a molybdenum roasting flue gas output pipeline of the electrostatic precipitator; a gas fuel conveying pipe, a combustor and a combustion chamber are arranged above the electrostatic precipitator; one end of the gas fuel conveying pipe is connected with a gas source; the other end of the gas fuel conveying pipe is communicated with the combustor; the combustor is connected with the combustion chamber; one end of the hot air conveying pipeline is communicated with the combustion chamber; the other end of the hot air conveying pipeline is communicated with the flue gas input pipeline; and a first stop valve is arranged on the gas fuel conveying pipe. By using the heating device, the problem of the condensation of SO2 flue gas in the electrostatic precipitator when the electrostatic precipitator is started and stopped can be solved; and the internal part of the electrostatic precipitator is prevented from acid etching by the flue gas. The internal heating device is simple in structure, low in production cost and convenient to use and popularize, and has a good using effect.
Description
Technical field
The utility model relates to a kind of heater, particularly relates to a kind of molybdenum roasting and uses the electric cleaner internal heat.
Background technology
General cottrell is in handling the molybdenum baking flue gas; Electric cleaner inner surface, positive plate bonding dust often occur, the electric cleaner deashing is had some setbacks, and cause electrode to be committed incest with one's daughter-in-law; The electric field discharge; So that the ash bucket spontaneous combustion when serious even operation problem such as electrode deformation occurs, makes electric cleaner can not normally bring into play result of use.Calcining molybdenum ore concentrate dust viscosity is stronger, and particularly adhesion property is very strong when electricity is lower than 230 degrees centigrade except that the device internal temperature, is easy to adhere at pole plate and inwall.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of molybdenum roasting to use the electric cleaner internal heat.This heater can solve electric cleaner when starting with parking, SO
2Flue gas is in the inner condensation trouble of electric cleaner, and protection electric cleaner inside can be by the flue gas acid etching, and it is simple in structure, easy to use, result of use is good, production cost is low, is convenient to promote the use of.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: the electric cleaner internal heat is used in the molybdenum roasting; It is characterized in that: comprise the hot blast conveying pipe road that is connected on the electric cleaner molybdenum baking flue gas input channel and be connected the hot blast exhaust duct on the electric cleaner molybdenum baking flue gas output channel; The top of said electric cleaner is provided with gaseous fuel carrier pipe, burner and combustion chamber, and an end of said gaseous fuel carrier pipe is connected with source of the gas, and the other end of said gaseous fuel carrier pipe is connected with burner; Said burner is connected with the combustion chamber; One end in said hot blast conveying pipe road is connected with the combustion chamber, and the other end in said hot blast conveying pipe road is connected with the flue gas input channel, and said gaseous fuel carrier pipe is provided with stop valve one.
The electric cleaner internal heat is used in above-mentioned molybdenum roasting, it is characterized in that: said gaseous fuel carrier pipe is provided with the gas pressure monitoring appearance.
The electric cleaner internal heat is used in above-mentioned molybdenum roasting, it is characterized in that: said gaseous fuel carrier pipe is provided with pressure-reducing valve.
The electric cleaner internal heat is used in above-mentioned molybdenum roasting, it is characterized in that: said hot blast conveying pipe road is provided with stop valve two.
The electric cleaner internal heat is used in above-mentioned molybdenum roasting, it is characterized in that: said hot blast exhaust duct is provided with stop valve three.
The electric cleaner internal heat is used in above-mentioned molybdenum roasting, it is characterized in that: said stop valve one, stop valve two and stop valve three are pneumatic stopping valve.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, and novel and reasonable design is easy to install.
2, the utility model heats electric cleaner inside through before electric cleaner is driven, and electric cleaner inside is preheated to more than 230 ℃, could will contain SO
2Flue gas is sent into electric field, otherwise can produce acid etching to each parts of electric precipitation, the electric cleaner housing flue dust that also can bond because surface temperature is low; Equally, before electric cleaner stops, also need open the burner additional heat, make SO in the electric field
2Gas is got rid of totally fully, guarantees the service life of electric field, and it uses more convenient.
3, the realization cost of the utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, novel and reasonable design; Functional reliability is high; Long service life can solve flue gas at the inner adhesion problem of electric cleaner, thereby protection electric cleaner inside can be by the flue gas acid etching; It is easy to use, result of use good, production cost is low, is convenient to promote the use of.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Description of reference numerals:
1-gaseous fuel carrier pipe; 2-gas pressure monitoring appearance; 3-stop valve one;
The 4-pressure-reducing valve; The 5-burner; The 6-combustion chamber;
7-stop valve two; 8-hot blast conveying pipe road; 9-stop valve four;
10-flue gas input channel; The 11-electric cleaner; 12-flue gas output channel;
13-stop valve five; 14-hot blast exhaust duct; 15-stop valve three.
The specific embodiment
The electric cleaner internal heat is used in a kind of molybdenum roasting as shown in Figure 1; Comprise the hot blast conveying pipe road 8 that is connected on the electric cleaner 11 molybdenum baking flue gas input channels 10 and be connected the hot blast exhaust duct 14 on the electric cleaner 11 molybdenum baking flue gas output channels 12; The top of said electric cleaner 11 is provided with gaseous fuel carrier pipe 1, burner 5 and combustion chamber 6; One end of said gaseous fuel carrier pipe 1 is connected with source of the gas; The other end of said gaseous fuel carrier pipe 1 is connected with burner 5, and said burner 5 is connected with combustion chamber 6, and an end in said hot blast conveying pipe road 8 is connected with combustion chamber 6; The other end in said hot blast conveying pipe road 8 is connected with flue gas input channel 10, and said gaseous fuel carrier pipe 1 is provided with stop valve 1.
As shown in Figure 1, said gaseous fuel carrier pipe 1 is provided with gas pressure monitoring appearance 2, can conveniently monitor the pressure in the gaseous fuel carrier pipe 1.Said gaseous fuel carrier pipe 1 is provided with pressure-reducing valve 4, can adjust the gas pressure in the gaseous fuel carrier pipe 1 through pressure-reducing valve 4.Said hot blast conveying pipe road 8 is provided with stop valve 27.Said hot blast exhaust duct 14 is provided with stop valve 3 15.Preferred way is, said stop valve 1, stop valve 27 and stop valve 3 15 are pneumatic stopping valve.
As shown in Figure 1, during use, before electric cleaner 11 was started working, electric cleaner 11 internal temperatures were normal temperature, in this case, will contain SO
2Flue gas directly send into electric field, SO under the normal temperature
2Can produce acid mist with the water vapour in the flue gas, electric cleaner 11 inner generations are corroded.Therefore, must electric cleaner 11 inside be heated to more than the flue gas dew point.Its concrete course of work is: at first close the stop valve 5 13 on stop valve 49 and the flue gas output channel 12 on the flue gas input channel 10, adjust pressure-reducing valve 4 pressure, open stop valve 1; Ignition combustion device 5; Open stop valve 27 and stop valve 3 15, the heat that adopts gas combustion to produce gives electric cleaner 11 inner heating, when rising to the electric field internal temperature more than 230 ℃; Close stop valve 27 and stop valve 3 15; Close stop valve 1 and burner 5, open stop valve 49 and stop valve 5 13, bring into use electric cleaner 11.During use, gaseous fuel is a natural gas, and burner 5 is a neat gas burner.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of the utility model technical scheme.
Claims (6)
1. the electric cleaner internal heat is used in the molybdenum roasting; It is characterized in that: comprise the hot blast conveying pipe road (8) that is connected on electric cleaner (11) the molybdenum baking flue gas input channel (10) and be connected the hot blast exhaust duct (14) on electric cleaner (11) the molybdenum baking flue gas output channel (12); The top of said electric cleaner (11) is provided with gaseous fuel carrier pipe (1), burner (5) and combustion chamber (6); One end of said gaseous fuel carrier pipe (1) is connected with source of the gas; The other end of said gaseous fuel carrier pipe (1) is connected with burner (5), and said burner (5) is connected with combustion chamber (6), and an end in said hot blast conveying pipe road (8) is connected with combustion chamber (6); The other end in said hot blast conveying pipe road (8) is connected with flue gas input channel (10), and said gaseous fuel carrier pipe (1) is provided with stop valve one (3).
2. the electric cleaner internal heat is used in molybdenum roasting according to claim 1, it is characterized in that: said gaseous fuel carrier pipe (1) is provided with gas pressure monitoring appearance (2).
3. the electric cleaner internal heat is used in molybdenum roasting according to claim 1, it is characterized in that: said gaseous fuel carrier pipe (1) is provided with pressure-reducing valve (4).
4. the electric cleaner internal heat is used in molybdenum roasting according to claim 1, it is characterized in that: said hot blast conveying pipe road (8) is provided with stop valve two (7).
5. the electric cleaner internal heat is used in molybdenum roasting according to claim 4, it is characterized in that: said hot blast exhaust duct (14) is provided with stop valve three (15).
6. the electric cleaner internal heat is used in molybdenum roasting according to claim 5, it is characterized in that: said stop valve one (3), stop valve two (7) and stop valve three (15) are pneumatic stopping valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201833004U CN202516693U (en) | 2012-04-26 | 2012-04-26 | Internal heating device for electrostatic precipitator for molybdenum roasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201833004U CN202516693U (en) | 2012-04-26 | 2012-04-26 | Internal heating device for electrostatic precipitator for molybdenum roasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202516693U true CN202516693U (en) | 2012-11-07 |
Family
ID=47099663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201833004U Expired - Lifetime CN202516693U (en) | 2012-04-26 | 2012-04-26 | Internal heating device for electrostatic precipitator for molybdenum roasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202516693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964406A (en) * | 2016-07-13 | 2016-09-28 | 河南龙成煤高效技术应用有限公司 | Electrical dust removal equipment and electrical dust removal system |
| CN106000649A (en) * | 2016-07-13 | 2016-10-12 | 河南龙成煤高效技术应用有限公司 | Electric precipitation equipment for coal gas containing tar and dust |
| WO2017202391A1 (en) * | 2016-05-24 | 2017-11-30 | 河南龙成煤高效技术应用有限公司 | High-temperature dust removal and filtering apparatus, high-temperature dust removal and filtering system, and continuous dust removal and filtering method |
-
2012
- 2012-04-26 CN CN2012201833004U patent/CN202516693U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202391A1 (en) * | 2016-05-24 | 2017-11-30 | 河南龙成煤高效技术应用有限公司 | High-temperature dust removal and filtering apparatus, high-temperature dust removal and filtering system, and continuous dust removal and filtering method |
| RU2707026C1 (en) * | 2016-05-24 | 2019-11-21 | Хэнань Дрэгон Инто Коул Текнолоджи Ко., Лтд. | High-temperature device for removal and filtration of dust, high-temperature system for removal and filtration of dust and method for continuous removal and filtration of dust |
| US10981097B2 (en) | 2016-05-24 | 2021-04-20 | Henan Dragon Into Coal Technology Co., Ltd. | High-temperature dust removal and filtering apparatus, high-temperature dust removal and filtering system, and continuous dust removal and filtering method |
| CN105964406A (en) * | 2016-07-13 | 2016-09-28 | 河南龙成煤高效技术应用有限公司 | Electrical dust removal equipment and electrical dust removal system |
| CN106000649A (en) * | 2016-07-13 | 2016-10-12 | 河南龙成煤高效技术应用有限公司 | Electric precipitation equipment for coal gas containing tar and dust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |