CN104019017A - Vacuumizing process equipment - Google Patents
Vacuumizing process equipment Download PDFInfo
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- CN104019017A CN104019017A CN201410272888.4A CN201410272888A CN104019017A CN 104019017 A CN104019017 A CN 104019017A CN 201410272888 A CN201410272888 A CN 201410272888A CN 104019017 A CN104019017 A CN 104019017A
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Abstract
The invention provides vacuumizing process equipment. The vacuumizing process equipment comprises a gas cooler, a steam pump system and a mechanical pump vacuum system, wherein the steam pump system and the mechanical pump vacuum system are respectively connected with the gas cooler in series. The steam pump system and the mechanical pump vacuum system are connected in parallel and are used in a complementary mode. According to the vacuumizing process equipment, due to the fact that the steam pump system and the mechanical pump vacuum system are used in the complementary mode, the problem that steam supply limits development of existing vacuumizing equipment is solved.
Description
Technical field
The present invention relates to field of mechanical technique, particularly a kind of vacuum pumping technique equipment.
Background technique
The vaccum-pumping equipment that steel-making vacuum refining at present adopts mainly contains: 1, pressure decatizing heat pump, and described pressure decatizing heat pump is mainly 4 grades of pressure decatizing heat pumps or 5 grades of pressure decatizing heat pumps; 2, full mechanical pump, described full mechanical pump comprises 2 grades of Roots and 1 grade of screw rod; 3, steam pump adds the combination of water ring pump, and this combination is to be formed by water ring pump and the 5th grade of vapor pump parallel combination.In the prior art, the vaccum-pumping equipment of described pressure decatizing heat pump form is adopted by domestic most steel mills, but the vaccum-pumping equipment of nearly 3 years described full mechanical pump forms slowly starts to be also accepted Bing minority steel mill, uses.
Please refer to table 1, it is the feature that described pressure decatizing heat pump, full mechanical pump and steam pump add the combination of water ring pump, as shown in table 1:
Table 1
By upper table, visible every kind of vaccum-pumping equipment form has its pluses and minuses, and some shortcoming is temporary transient, and some is that the Long-term Effect is produced.If steam is the power source of pressure decatizing heat pump, once steam supply generation problem directly affects the normal operation of equipment and normal production.Because vacuum deaeration refining device obtains applying more and more widely in steel mill, steam supply just becomes the restrictive condition of its development.
Summary of the invention
The object of the present invention is to provide a kind of vacuum pumping technique equipment, to solve existing vaccum-pumping equipment due to the problem of steam supply restriction vaccum-pumping equipment development.
For solving the problems of the technologies described above, the invention provides a kind of vacuum pumping technique equipment, comprise: air cooler, the steam pump system of connecting with described air cooler respectively and mechanical pump vacuum system, described steam pump system and mechanical pump vacuum system are in parallel, each other standby use.
Further, in described vacuum pumping technique equipment, described steam pump system comprises second level condenser and the level V pump connecting successively; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump; Described second level condenser is connected with described one-level screw rod mechanism turbomolecular vacuum pump; Described level V pump is in parallel with described one-level screw rod mechanism turbomolecular vacuum pump.
Further, in described vacuum pumping technique equipment, described steam pump system also comprises the final stage vapor pump being connected with described level V pump.
Further, in described vacuum pumping technique equipment, described steam pump system comprises second level condenser; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump; Described second level condenser is connected with described one-level screw rod mechanism turbomolecular vacuum pump.
Further, in described vacuum pumping technique equipment, described steam pump system comprises first order condenser, fourth stage pump, second level condenser and the level V pump connecting successively; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump; Described first order condenser is connected with described secondary mechanical pump vacuum pump, described fourth stage pump, second level condenser, level V pump are in parallel with described secondary mechanical pump vacuum pump.
Further, in described vacuum pumping technique equipment, described secondary mechanical pump vacuum pump comprises one-level Roots pump and the one-level screw pump connecting successively.
Further, in described vacuum pumping technique equipment, described steam pump system also comprises the second steam jet pump being connected with described level V pump.
Further, in described vacuum pumping technique equipment, described steam pump system comprises first order condenser successively; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump; Described first order condenser is connected with described secondary mechanical pump vacuum pump.
Further, in described vacuum pumping technique equipment, described secondary mechanical pump vacuum pump comprises one-level Roots pump and the one-level screw pump connecting successively.
A kind of vacuum pumping technique equipment provided by the invention, has following beneficial effect: by by steam pump system and the mutual standby use of mechanical pump vacuum system, solved existing vaccum-pumping equipment due to the problem of steam supply restriction vaccum-pumping equipment development.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of vacuum pumping technique apparatus embodiments 1 of the present invention;
Fig. 2 is the schematic diagram of vacuum pumping technique apparatus embodiments 2 of the present invention;
Fig. 3 is the schematic diagram of vacuum pumping technique apparatus embodiments 3 of the present invention;
Fig. 4 is the schematic diagram of vacuum pumping technique apparatus embodiments 4 of the present invention;
Fig. 5 is the schematic diagram of vacuum pumping technique apparatus embodiments 5 of the present invention.
Embodiment
Vacuum pumping technique equipment the present invention being proposed below in conjunction with the drawings and specific embodiments is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
[embodiment 1]
Please refer to Fig. 1, it is the schematic diagram of vacuum pumping technique apparatus embodiments 1 of the present invention.As shown in Figure 1, the invention provides a kind of vacuum pumping technique equipment, comprise: air cooler 100, the steam pump system 11 of connecting with described air cooler respectively and mechanical pump vacuum system 12, described steam pump system 11 and 12 parallel connections of mechanical pump vacuum system, each other standby use.
By after described air cooler 100, select steam pump system 11 paths or mechanical pump vacuum system 12 paths, greatly reduce operating cost, an electricity consumption, not be used in the outsourcing steam of spending; By steam saving, recoverable investment in three to five years; Electricity consumption is less demanding, and power consumption is little; Standby each other with steam pump system, when converter produced steam is enough, switch to steam pump system.
[embodiment 2]
Please refer to Fig. 2, it is the schematic diagram of vacuum pumping technique apparatus embodiments 2 of the present invention.As shown in Figure 2, described steam pump system comprises first order condenser 21, fourth stage pump 22, second level condenser 23 and the level V pump 24 connecting successively; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump 25; Described second level condenser 23 is connected with described one-level screw rod mechanism turbomolecular vacuum pump 25; Described level V pump 24 is in parallel with described one-level screw rod mechanism turbomolecular vacuum pump 25.Preferably, after described level V pump 24, also connect a final stage vapor pump 26.
At rear level V pump 24 and the one-level screw rod mechanism turbomolecular vacuum pump 25 of connecting respectively of described second level condenser 23, after passing through second level condenser 23, level V pump 24 or one-level screw rod mechanism turbomolecular vacuum pump 25 are led in selection, and do not cancel described final stage vapor pump 26, obviously reduce operating cost, steam saves 33%, not be used in the outsourcing steam of spending; Investment is less than 6,000,000, by steam saving, and recoverable investment in two to three years; Electricity consumption is less demanding, and power consumption is little; Take up an area not quite, can utilize existing platform; Standby each other by a switching valve and 25 formation of one-level screw rod mechanism turbomolecular vacuum pump, when converter produced steam is enough, switch to steam pump system; Work can accelerate to shorten with final stage vapor pump 26 simultaneously and bleed the time more than 30%; Compare with final stage water ring pump in parallel, vibrate littlely, noise is low, and electric pressure is low.
[embodiment 3]
Please refer to Fig. 3, it is the schematic diagram of vacuum pumping technique apparatus embodiments 3 of the present invention.As shown in Figure 3,
Described steam pump system comprises first order condenser 31, fourth stage pump 32 and the second level condenser 33 connecting successively; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump 34; Described second level condenser 33 is connected with described one-level screw rod mechanism turbomolecular vacuum pump 34.In this embodiment, level V pump and final stage vapor pump have been cancelled.
At the described one-level screw rod mechanism of the rear direct series connection of described second level condenser 33 turbomolecular vacuum pump 34, and cancelled level V pump and final stage vapor pump, obviously reduced operating cost, steam saves 33%, not be used in the outsourcing steam of spending; Investment is less than 6,000,000, by steam saving, and recoverable investment in two to three years; Electricity consumption is less demanding, and power consumption is little; Take up an area not quite, can utilize existing platform; Compare with final stage water ring pump in parallel, vibrate littlely, noise is low, and electric pressure is low, easy care.
[embodiment 4]
Please refer to Fig. 4, it is the schematic diagram of vacuum pumping technique apparatus embodiments 4 of the present invention.As shown in Figure 4,
Described steam pump system comprises first order condenser 41 and fourth stage pump 42, second level condenser 43 and the level V pump 44 connecting successively; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump 45, concrete, described secondary mechanical pump vacuum pump 45 comprises: one-level Roots pump 451 and one-level screw pump 452, and described one-level Roots pump 451 and 452 series connection of one-level screw pump, but the present embodiment does not limit their sequencing; Described first order condenser 41 is connected with described secondary mechanical pump vacuum pump 45, described fourth stage pump 42, second level condenser 43, level V pump 44 are in parallel with described secondary mechanical pump vacuum pump 45.Preferably, after described level V pump, also connect a second steam jet pump 46.
At described first order condenser 41 rear fourth stage pump 42 and secondary mechanical pump vacuum pump 45 respectively, after passing through first order condenser 41, fourth stage pump 42 or secondary mechanical pump vacuum pump 45 are led in selection, and do not cancel second level condenser 43, level V pump 44 and second steam jet pump 46, obviously reduce operating cost, steam saves 50%, not be used in the outsourcing steam of spending; Investment is less than 1,000 ten thousand, by steam saving, and recoverable investment in two to three years; Electricity consumption is less demanding, and power consumption is little; Take up an area not quite, can utilize existing platform; Standby each other by a switching valve and 45 formation of secondary mechanical pump vacuum pump, when converter produced steam is enough, switch to steam pump system.
[embodiment 5]
Please refer to Fig. 5, it is the schematic diagram of vacuum pumping technique apparatus embodiments 5 of the present invention.As shown in Figure 5, described vapour system pump comprises first order condenser 51; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump 52, concrete, and described secondary mechanical pump vacuum pump 52 comprises: one-level Roots pump 521 and one-level screw pump 522; Described first order condenser 51 is connected with described secondary mechanical pump vacuum pump 52.In this embodiment, fourth stage pump, second level condenser, level V pump and second steam jet pump have been cancelled.
At the described secondary mechanical pump of the rear direct series connection of first order condenser 51 vacuum pump 52, and cancelled fourth stage pump, second level condenser, level V pump and second steam jet pump, obviously reduced operating cost, steam saves 50%, not be used in the outsourcing steam of spending; Investment is less than 1,000 ten thousand, by steam saving, and recoverable investment in two to three years; Electricity consumption is less demanding, and power consumption is little; Take up an area not quite, can utilize existing platform; Easy care.
Foregoing description is only the description to preferred embodiment of the present invention, the not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention is done according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (9)
1. a vacuum pumping technique equipment, is characterized in that, comprising: air cooler, the steam pump system of connecting with described air cooler respectively and mechanical pump vacuum system, described steam pump system and mechanical pump vacuum system are in parallel, each other standby use.
2. vacuum pumping technique equipment as claimed in claim 1, is characterized in that, described steam pump system comprises second level condenser and the level V pump connecting successively; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump; Described second level condenser is connected with described one-level screw rod mechanism turbomolecular vacuum pump; Described level V pump is in parallel with described one-level screw rod mechanism turbomolecular vacuum pump.
3. vacuum pumping technique equipment as claimed in claim 2, is characterized in that, described steam pump system also comprises the final stage vapor pump being connected with described level V pump.
4. vacuum pumping technique equipment as claimed in claim 1, is characterized in that, described steam pump system comprises second level condenser; Described mechanical pump vacuum system comprises one-level screw rod mechanism turbomolecular vacuum pump; Described second level condenser is connected with described one-level screw rod mechanism turbomolecular vacuum pump.
5. vacuum pumping technique equipment as claimed in claim 1, is characterized in that, described steam pump system comprises first order condenser, fourth stage pump, second level condenser and the level V pump connecting successively; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump; Described first order condenser is connected with described secondary mechanical pump vacuum pump, described fourth stage pump, second level condenser, level V pump are in parallel with described secondary mechanical pump vacuum pump.
6. vacuum pumping technique equipment as claimed in claim 5, is characterized in that, described secondary mechanical pump vacuum pump comprises one-level Roots pump and the one-level screw pump connecting successively.
7. the vacuum pumping technique equipment as described in claim 5 or 6, is characterized in that, described steam pump system also comprises the second steam jet pump being connected with described level V pump.
8. vacuum pumping technique equipment as claimed in claim 1, is characterized in that, described steam pump system comprises first order condenser successively; Described mechanical pump vacuum system comprises secondary mechanical pump vacuum pump; Described first order condenser is connected with described secondary mechanical pump vacuum pump.
9. vacuum pumping technique equipment as claimed in claim 1, is characterized in that, described secondary mechanical pump vacuum pump comprises one-level Roots pump and the one-level screw pump connecting successively.
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CN201410272888.4A CN104019017B (en) | 2014-06-18 | 2014-06-18 | A kind of evacuation process equipment |
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CN201410272888.4A CN104019017B (en) | 2014-06-18 | 2014-06-18 | A kind of evacuation process equipment |
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CN201610102961.2A Division CN105736326A (en) | 2014-06-18 | 2014-06-18 | Vacuumizing process equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106544725A (en) * | 2016-10-17 | 2017-03-29 | 镇江荣德新能源科技有限公司 | Device is saved in a kind of polycrystalline furnace vacuum pump failure bridging |
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JPS5514874A (en) * | 1978-07-18 | 1980-02-01 | Kobe Steel Ltd | Exhausting apparatus for vacuum degassing of molten steel |
US20020131870A1 (en) * | 2001-03-19 | 2002-09-19 | Alcatel | System for pumping low thermal conductivity gases |
CN101503749A (en) * | 2009-03-19 | 2009-08-12 | 上海宝钢工程技术有限公司 | Vacuum degasification system steam jet and last stage pressure air injection vacuum technology |
CN101624980A (en) * | 2009-08-08 | 2010-01-13 | 杭州华达喷射真空设备有限公司 | Butanediol spraying vacuum pump and working method thereof |
CN203146268U (en) * | 2013-03-26 | 2013-08-21 | 崔保安 | Vacuum device |
CN103305662A (en) * | 2013-05-31 | 2013-09-18 | 中冶南方工程技术有限公司 | Vacuum system for vacuum melting |
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2014
- 2014-06-18 CN CN201410272888.4A patent/CN104019017B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5514874A (en) * | 1978-07-18 | 1980-02-01 | Kobe Steel Ltd | Exhausting apparatus for vacuum degassing of molten steel |
US20020131870A1 (en) * | 2001-03-19 | 2002-09-19 | Alcatel | System for pumping low thermal conductivity gases |
CN101503749A (en) * | 2009-03-19 | 2009-08-12 | 上海宝钢工程技术有限公司 | Vacuum degasification system steam jet and last stage pressure air injection vacuum technology |
CN101624980A (en) * | 2009-08-08 | 2010-01-13 | 杭州华达喷射真空设备有限公司 | Butanediol spraying vacuum pump and working method thereof |
CN203146268U (en) * | 2013-03-26 | 2013-08-21 | 崔保安 | Vacuum device |
CN103305662A (en) * | 2013-05-31 | 2013-09-18 | 中冶南方工程技术有限公司 | Vacuum system for vacuum melting |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106544725A (en) * | 2016-10-17 | 2017-03-29 | 镇江荣德新能源科技有限公司 | Device is saved in a kind of polycrystalline furnace vacuum pump failure bridging |
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