CN204866204U - Electrical tar precipitator protection device - Google Patents
Electrical tar precipitator protection device Download PDFInfo
- Publication number
- CN204866204U CN204866204U CN201520462885.7U CN201520462885U CN204866204U CN 204866204 U CN204866204 U CN 204866204U CN 201520462885 U CN201520462885 U CN 201520462885U CN 204866204 U CN204866204 U CN 204866204U
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- CN
- China
- Prior art keywords
- nitrogen
- tar precipitator
- electrical tar
- protective device
- electric fishing
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Abstract
The utility model discloses an electrical tar precipitator protection device relates to electrical tar precipitator technical field, including nitrogen gas house steward and electrical tar precipitator, electrical tar precipitator protection device still includes nitrogen gas heater and the electric fishing insulating case who is connected with electrical tar precipitator, and nitrogen gas heater switch -on nitrogen gas house steward establishes the stop valve, connect the stop valve to let in each branch's pipeline behind the nitrogen gas heater connection pressure transmitter, the bleeder sets gradually on the road and lets in electric fishing insulating case behind manual ball valve, relief pressure valve and the minute -pressure open/close valve. Reforming transform the back electric fishing and for the production of subsequent handling safety and stability provides the necessary condition, having reduced electric fishing repair time and number of times, the reduction is because influenceization product yield is overhauld in the electric fishing, and after electric fishing was simultaneously parkked, the sulfur content exceeded standard and reduces the life -span and the methyl alcohol output of follow -up methyl alcohol catalyst.
Description
Technical field
The utility model relates to the electrical tar precipitator technical field adopted in carbonization of coal, especially relates to a kind of electrical tar precipitator protective device.
Background technology
The precondition that being of electrical tar precipitator produces the follow-up chemical products recovery in workshop, coke oven firing tunnel in coking furnace, methanol plant coal gas etc. are normally produced.Belong to coking industry important device.196 discharge electrodes of every platform electrical tar precipitator are supported by three 100KV high tension shackle insulators and hang in tower, and high-tension porcelain insulator is placed in insulated case, and adopt steam to heat, insulated case temperature is without automatic control.
In addition, insulator is in drying regime at the trial, and surfaces externally and internally process is very clean, and after electro detarrer puts into operation, its inner surface is in the coal gas gas with certain humidity of tar.During normal work, due in the insulator box of insulation, the temperature of whole porcelain vase is made to be greater than between gas temperature 10-30 DEG C, so the moisture content in coal gas can not condense and condense in its inner surface, namely also inner surface is in drying regime, so its insulating properties or good, not easily punctures.When the temperature of porcelain vase case is lower than gas temperature, the moisture content in coal gas will condense and condense in its inner surface, and thus the dielectric strength of insulator reduces, and will cause and puncture under normal voltage.The outer surface of porcelain vase is due to the corrosion of insulator box metal shell simultaneously, forms ferric oxide particles and gas dust deposition, thus also causes dielectric strength reduce and puncture.There will be the cracking not easily discovered when generally puncturing, monoblock time serious, can be caused cracked.So each replacing porcelain vase not only wastes a large amount of human and material resources, and the follow-up normal production of very disruptive.
Summary of the invention
Technical problem to be solved in the utility model there is provided a kind of cleaning protecting high-tension porcelain insulator, makes the electrical tar precipitator protective device that its long-term safety is run.
For achieving the above object, the utility model provides following technical scheme: a kind of electrical tar precipitator protective device, comprise nitrogen header pipe and electrical tar precipitator, the electrostatic precipitation insulation box that described electrical tar precipitator protective device also comprises nitrogen heater and is connected with electrical tar precipitator, nitrogen heater is connected nitrogen header pipe and is established stop valve; Connect stop valve after described nitrogen heater Bonding pressure transmitter and pass into each branch line; Described branch line sets gradually after manual ball valve, pressure-reducing valve and minute-pressure open and close valve and pass into electrostatic precipitation insulation box.
Preferably, described electrostatic precipitation insulation box comprises high-tension porcelain insulator, logical porcelain vase suspension rod in high-tension porcelain insulator; Solderless wrapped connection electric heater on described high-tension porcelain insulator, external heating cables; Described high-tension porcelain insulator outsourcing sealed insulating layer and high-tension porcelain insulator form nitrogen protection district; Branch line passes into nitrogen protection district by the nitrogen access aperture offered on electric fishing insulator,
Preferably, also arrange PT100 thermal resistance in described nitrogen protection district, PT100 thermal resistance connects holding wire external power supply circuit.
Preferably, the nitrogen injection rate passing into nitrogen heater described in is 10m
3/ h, pressure is 10Kpa.
Preferably, described branch line is the seamless pipe of diameter 8-12mm.
Preferably, the nitrogen temperature in described nitrogen protection district remains on 80-90 DEG C.
The beneficial effect of above technical scheme is adopted to be: source nitrogen deficient phenomena is considered in nitrogen protection input, the electric fishing of negative-pressure operation can suck air and cause the accident, post-decompression nitrogen installs a minute-pressure self-closing valve additional, every platform electric fishing take-off line installs again a manual ball valve additional, in order to ensure safety under the overall situation in nitrogen life cycle, a pressure transmitter installed by nitrogen input total configuration pipeline, when inputting nitrogen pressure and reducing (setting value≤3000Pa), minute-pressure self-closing valve cuts out automatically, cut-out nitrogen inputs, the instruction of pressure transmitter device transmission is simultaneously reported to the police to electric fishing master control cabinet, site operation personnel manually ball valve controls to break off nitrogen connection, remove interlocking electric fishing to use under nitrogen-less protection, manually control to continue to use after nitrogen pressure recovers.
In the technical program, branch line selects the seamless pipe of diameter 8-12mm, and injection rate is 10m in nitrogen protection district
3/ h, pressure is the nitrogen of 10Kpa, and temperature being remained on 80-90 DEG C, monthly can to avoid that monthly every platform damages porcelain vase number be 3 calculation, and every porcelain vase about 5000 yuan, changes a porcelain vase auxiliary material of need and labour cost is 6000 yuan, can save a large amount of loss funds.Like this, this electrical tar precipitator protective device is set outside high-tension porcelain insulator while economizing on the use of funds, decreases electric fishing repair time and number of times; Reduce because electric fishing maintenance impactization production yield rate, after electric fishing is simultaneously stopped, sulfur content exceeds standard the life-span and methanol output that reduce follow-up catalyst for methanol.After transformation, electric fishing is that the production of subsequent handling safety and stability provides necessary condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electrical tar precipitator protective device of the utility model;
Fig. 2 is the structural representation of electrostatic precipitation insulation box in a kind of electrical tar precipitator protective device of the utility model;
Wherein, 1.PT100 thermal resistor, 2. electric heater, 3. high-tension porcelain insulator, 4. nitrogen access aperture, 5. porcelain vase suspension rod, 6. heat-insulation layer, 7. nitrogen protection district, 8. insulated case room, 9. holding wire, 10 heating cables, 11. electrical tar precipitators, 12. nitrogen header pipe, 13. electrostatic precipitation insulation boxes, 14. nitrogen heaters, 15. stop valves, 16. pressure transmitters, 17. branch lines, 18. manual ball valves, 19. pressure-reducing valves, 20. minute-pressures open and close valve.
Detailed description of the invention
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment, only for explaining the utility model, does not form the restriction to the utility model protection domain.
Preferred embodiment of the present utility model is described in detail: a kind of electrical tar precipitator protective device below in conjunction with accompanying drawing 1-2, comprise nitrogen header pipe 12 and electrical tar precipitator 11, the electrostatic precipitation insulation box 13 that described electrical tar precipitator protective device also comprises nitrogen heater 14 and is connected with electrical tar precipitator 11, nitrogen heater 14 is connected nitrogen header pipe 12 and is established stop valve 15; Connect stop valve 15 after described nitrogen heater 14 Bonding pressure transmitter 16 and pass into each branch line 17; Described branch line 17 sets gradually after manual ball valve 18, pressure-reducing valve 19 and minute-pressure open and close valve 20 and pass into electrostatic precipitation insulation box.
The electrostatic precipitation insulation box that the present invention adopts comprises high-tension porcelain insulator 3, logical porcelain vase suspension rod 5 in high-tension porcelain insulator 3; Solderless wrapped connection electric heater 2 on described high-tension porcelain insulator 3, external heating cables 10; Described high-tension porcelain insulator 3 outsourcing sealed insulating layer 6 forms nitrogen protection district 7 with high-tension porcelain insulator 3; Branch line 17 passes into nitrogen protection district 7 by the nitrogen access aperture 4 offered on electric fishing insulator, also arranges PT100 thermal resistance 1, PT100 thermal resistance 1 and connect holding wire 9 external power supply circuit in nitrogen protection district 7.
Source nitrogen deficient phenomena is considered in nitrogen protection input, the electric fishing of negative-pressure operation can suck air and cause the accident, post-decompression nitrogen installs a minute-pressure self-closing valve 20 additional, every platform electric fishing take-off line installs again a manual ball valve 18 additional, in order to ensure safety under the overall situation in nitrogen life cycle, a pressure transmitter 16 installed by nitrogen header pipe 20 line, when inputting nitrogen pressure and reducing (setting value≤3000Pa), minute-pressure self-closing valve 20 cuts out automatically, cut-out nitrogen inputs, the instruction of pressure transmitter device transmission is simultaneously reported to the police to electric fishing master control cabinet, site operation personnel manually ball valve 18 controls to break off nitrogen connection, remove interlocking electric fishing to use under nitrogen-less protection, manually control to continue to use after nitrogen pressure recovers.
In the technical program, branch line 17 selects the seamless pipe of diameter 8-12mm; and injection rate is 10m3/h in nitrogen protection district; pressure is the nitrogen of 10Kpa; and temperature being remained on 80-90 DEG C, monthly can to avoid that monthly every platform damages high-tension porcelain insulator 3 number be 3 calculations; every high-tension porcelain insulator about 5000 yuan; changing a high-tension porcelain insulator 3 needs auxiliary material and labour cost to be 6000 yuan, can save a large amount of loss funds.Like this, this electrical tar precipitator protective device is set outside high-tension porcelain insulator 3 while economizing on the use of funds, decreases electric fishing repair time and number of times; Reduce because electric fishing maintenance impactization production yield rate, after electric fishing is simultaneously stopped, sulfur content exceeds standard the life-span and methanol output that reduce follow-up catalyst for methanol.After transformation, electric fishing is that the production of subsequent handling safety and stability provides necessary condition.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. an electrical tar precipitator protective device, comprise nitrogen header pipe and electrical tar precipitator, it is characterized in that: the electrostatic precipitation insulation box that described electrical tar precipitator protective device also comprises nitrogen heater and is connected with electrical tar precipitator, nitrogen heater is connected nitrogen header pipe and is established stop valve; Connect stop valve after described nitrogen heater Bonding pressure transmitter and pass into each branch line; Described branch line sets gradually after manual ball valve, pressure-reducing valve and minute-pressure open and close valve and pass into electrostatic precipitation insulation box.
2. electrical tar precipitator protective device according to claim 1, is characterized in that: described electrostatic precipitation insulation box comprises high-tension porcelain insulator, logical porcelain vase suspension rod in high-tension porcelain insulator; Solderless wrapped connection electric heater on described high-tension porcelain insulator, external heating cables; Described high-tension porcelain insulator outsourcing sealed insulating layer and high-tension porcelain insulator form nitrogen protection district; Branch line passes into nitrogen protection district by the nitrogen access aperture offered on electric fishing insulator.
3. electrical tar precipitator protective device according to claim 2, is characterized in that: also arrange PT100 thermal resistance in described nitrogen protection district, and PT100 thermal resistance connects holding wire external power supply circuit.
4. the electrical tar precipitator protective device according to any claim of Claims 2 or 3, is characterized in that: described in pass into nitrogen heater nitrogen injection rate be 10m
3/ h, pressure is 10Kpa.
5. the electrical tar precipitator protective device according to any claim of Claims 2 or 3, is characterized in that: described branch line is the seamless pipe of diameter 8-12mm.
6. the electrical tar precipitator protective device according to any claim of Claims 2 or 3, is characterized in that: the nitrogen temperature in described nitrogen protection district remains on 80-90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462885.7U CN204866204U (en) | 2015-07-01 | 2015-07-01 | Electrical tar precipitator protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462885.7U CN204866204U (en) | 2015-07-01 | 2015-07-01 | Electrical tar precipitator protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204866204U true CN204866204U (en) | 2015-12-16 |
Family
ID=54810637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520462885.7U Expired - Fee Related CN204866204U (en) | 2015-07-01 | 2015-07-01 | Electrical tar precipitator protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204866204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381883A (en) * | 2015-07-01 | 2016-03-09 | 临涣焦化股份有限公司 | Protection device of electrical tar precipitator |
-
2015
- 2015-07-01 CN CN201520462885.7U patent/CN204866204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381883A (en) * | 2015-07-01 | 2016-03-09 | 临涣焦化股份有限公司 | Protection device of electrical tar precipitator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20210701 |