CN104019017B - A kind of evacuation process equipment - Google Patents
A kind of evacuation process equipment Download PDFInfo
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- CN104019017B CN104019017B CN201410272888.4A CN201410272888A CN104019017B CN 104019017 B CN104019017 B CN 104019017B CN 201410272888 A CN201410272888 A CN 201410272888A CN 104019017 B CN104019017 B CN 104019017B
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Abstract
The present invention provides a kind of evacuation process equipment, including: air cooler, the steam pump system connected with described air cooler respectively and mechanical pump vacuum system, described steam pump system and mechanical pump vacuum system are in parallel, the most standby are used.The present invention is by by mutual to steam pump system and mechanical pump vacuum system standby use, solving the problem that existing vaccum-pumping equipment limits vaccum-pumping equipment development due to steam supply.
Description
Technical field
The present invention relates to field of mechanical technique, particularly to a kind of evacuation process equipment.
Background technology
The vaccum-pumping equipment that steel-making vacuum refining at present uses mainly has: 1, pressure decatizing heat pump, described pressure decatizing heat pump
Mainly 4 grades of pressure decatizing heat pumps or 5 grades of pressure decatizing heat pumps；2, full mechanical pump, described full mechanical pump includes 2 grades of sieve
Thatch and 1 grade of screw rod；3, steam pump adds the combination of water ring pump, and this combination is by water ring pump and the 5th grade of steam spray
Penetrate parallel connection of pumps to combine.In the prior art, the vaccum-pumping equipment of described pressure decatizing heat pump form by domestic absolutely
Most of steel mills use, but the vaccum-pumping equipment of nearly 3 years described full mechanical pump forms slowly starts also to be accepted
And use in minority steel mill.
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, it is seen that every kind of vaccum-pumping equipment form is respectively arranged with its pluses and minuses, and some shortcoming is temporary transient,
Some is that long-term impact produces.If steam is the power source of pressure decatizing heat pump, once steam supply generation problem
Properly functioning and the normal production of the equipment that directly affects.Owing to vacuum deaeration refining device obtains increasingly in steel mill
Being widely applied, steam supply just becomes the restrictive condition of its development.
Summary of the invention
It is an object of the invention to provide a kind of evacuation process equipment, with solve existing vaccum-pumping equipment due to
The problem that steam supply limits vaccum-pumping equipment development.
For solving above-mentioned technical problem, the present invention provides a kind of evacuation process equipment, including: air cooler,
The steam pump system connected with described air cooler respectively and mechanical pump vacuum system, described steam pump system and machine
Tool pump vacuum system is in parallel, the most standby is used.
Further, in described evacuation process equipment, described steam pump system includes being sequentially connected with
First order condenser, first order pump, second level condenser and second level pump；Described mechanical pump vacuum system bag
Include one-level screw rod mechanism turbomolecular vacuum pump；Described second level condenser and described one-level screw rod mechanism turbomolecular vacuum pump string
Connection；Described second level pump is in parallel with described one-level screw rod mechanism turbomolecular vacuum pump.
Further, in described evacuation process equipment, described steam pump system also includes and described
The final stage steam jet pump that two stage pump connects.
Further, in described evacuation process equipment, described steam pump system includes that the second level condenses
Device；Described mechanical pump vacuum system includes one-level screw rod mechanism turbomolecular vacuum pump；Described second level condenser and institute
State the series connection of one-level screw rod mechanism turbomolecular vacuum pump.
Further, in described evacuation process equipment, described steam pump system includes being sequentially connected with
First order condenser, first order pump, second level condenser and second level pump；Described mechanical pump vacuum system bag
Include secondary mechanical turbomolecular vacuum pump；Described first order condenser connects with described secondary mechanical turbomolecular vacuum pump, described
First order pump, second level condenser, second level pump are in parallel with described secondary mechanical turbomolecular vacuum pump.
Further, in described evacuation process equipment, described secondary mechanical turbomolecular vacuum pump includes successively
The one-level lobe pump connected and one-level screw pump.
Further, in described evacuation process equipment, described steam pump system also includes and described
The second steam ejector pump that two stage pump connects.
Further, in described evacuation process equipment, described steam pump system includes the first order successively
Condenser；Described mechanical pump vacuum system includes secondary mechanical turbomolecular vacuum pump；Described first order condenser and institute
State the series connection of secondary mechanical turbomolecular vacuum pump.
Further, in described evacuation process equipment, described secondary mechanical turbomolecular vacuum pump includes successively
The one-level lobe pump connected and one-level screw pump.
A kind of evacuation process equipment that the present invention provides, has the advantages that by by steam pump system
System and the mutual standby use of mechanical pump vacuum system, solve existing vaccum-pumping equipment due to steam supply restriction
The problem of vaccum-pumping equipment development.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of evacuation process apparatus embodiments 1 of the present invention；
Fig. 2 is the schematic diagram of evacuation process apparatus embodiments 2 of the present invention；
Fig. 3 is the schematic diagram of evacuation process apparatus embodiments 3 of the present invention；
Fig. 4 is the schematic diagram of evacuation process apparatus embodiments 4 of the present invention；
Fig. 5 is the schematic diagram of evacuation process apparatus embodiments 5 of the present invention.
Detailed description of the invention
The evacuation process equipment proposed the present invention below in conjunction with the drawings and specific embodiments is made the most in detail
Explanation.According to following explanation, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing is all adopted
By the form simplified very much and all use non-ratio accurately, only in order to convenient, aid in illustrating this lucidly
The purpose of bright embodiment.
[embodiment 1]
Refer to Fig. 1, it is the schematic diagram of evacuation process apparatus embodiments 1 of the present invention.As it is shown in figure 1,
The present invention provides a kind of evacuation process equipment, including: air cooler 100, connects with described air cooler respectively
Steam pump system 11 and mechanical pump vacuum system 12, described steam pump system 11 and mechanical pump vacuum system 12
Parallel connection, the most standby is used.
After by described air cooler 100, select steam pump system 11 path or mechanical pump vacuum system 12
Path, is substantially reduced operating cost, an electricity consumption, not be used in outsourcing steam of spending；By steam saving, three
To recoverable investment in 5 years；Electricity consumption is less demanding, and power consumption is little；The most standby with steam pump system, when
Converter produced steam switches to steam pump system time enough.
[embodiment 2]
Refer to Fig. 2, it is the schematic diagram of evacuation process apparatus embodiments 2 of the present invention.As in figure 2 it is shown,
First order condenser 21 that described steam pump system includes being sequentially connected with, first order pump 22, second level condenser
23 and second level pump 24；Described mechanical pump vacuum system includes one-level screw rod mechanism turbomolecular vacuum pump 25；Described
Secondary condenser 23 is connected with described one-level screw rod mechanism turbomolecular vacuum pump 25；Described level V pump 24 is with described
One-level screw rod mechanism turbomolecular vacuum pump 25 is in parallel.Preferably, after described second level pump 24, it is also connected with a final stage
Steam jet pump 26.
Connect respectively after described second level condenser 23 second level pump 24 and one-level screw rod mechanism turbomolecular vacuum pump
25, after by second level condenser 23, select to lead to second level pump 24 or one-level screw rod mechanism pump vacuum
Pump 25, and do not cancel described final stage steam jet pump 26, hence it is evident that reducing operating cost, steam saves 33%,
It not be used in outsourcing steam of spending；Investment is less than 6,000,000, by steam saving, and recoverable investment in 2 to three years；
Electricity consumption is less demanding, and power consumption is little；Take up an area little, available existing platform；By a switching valve and
Level screw rod mechanism turbomolecular vacuum pump 25 is formed the most standby, switches to steam pump system when converter produced steam is enough
System；Work with final stage steam jet pump 26 simultaneously and can accelerate to shorten pumpdown time more than 30%；In parallel with final stage
Water ring pump is compared, and vibrates little, and noise is low, and electric pressure is low.
[embodiment 3]
Refer to Fig. 3, it is the schematic diagram of evacuation process apparatus embodiments 3 of the present invention.As it is shown on figure 3,
Described steam pump system includes that the first order condenser 31, fourth stage pump 32 and the second level that are sequentially connected with are cold
Condenser 33；Described mechanical pump vacuum system includes one-level screw rod mechanism turbomolecular vacuum pump 34；The described second level condenses
Device 33 is connected with described one-level screw rod mechanism turbomolecular vacuum pump 34.In this embodiment, level V pump is eliminated
With final stage steam jet pump.
Directly connect after described second level condenser 33 described one-level screw rod mechanism turbomolecular vacuum pump 34, and cancel
Level V pump and final stage steam jet pump, hence it is evident that reduce operating cost, steam saves 33%, not be used in flower
Money outsourcing steam；Investment is less than 6,000,000, by steam saving, and recoverable investment in 2 to three years；Electricity consumption is wanted
Asking the highest, power consumption is little；Take up an area little, available existing platform；Compared with final stage parallel connection water ring pump,
Vibrating little, noise is low, and electric pressure is low, easy care.
[embodiment 4]
Refer to Fig. 4, it is the schematic diagram of evacuation process apparatus embodiments 4 of the present invention.As shown in Figure 4,
Described steam pump system includes that the first order condenser 41 that is sequentially connected with and first order pump 42, the second level are cold
Condenser 43 and second level pump 44；Described mechanical pump vacuum system includes secondary mechanical turbomolecular vacuum pump 45, specifically
, described secondary mechanical turbomolecular vacuum pump 45 includes: one-level lobe pump 451 and one-level screw pump 452, described
One-level lobe pump 451 and one-level screw pump 452 are connected, but the present embodiment does not limit their sequencing；
Described first order condenser 41 is connected with described secondary mechanical turbomolecular vacuum pump 45, described first order pump 42,
Secondary condenser 43, second level pump 44 are in parallel with described secondary mechanical turbomolecular vacuum pump 45.Preferably, in institute
A second steam ejector pump 46 it is also connected with after stating second level pump.
Difference first order pump 42 and secondary mechanical turbomolecular vacuum pump 45 after described first order condenser 41, logical
After crossing first order condenser 41, select to lead to first order pump 42 or secondary mechanical turbomolecular vacuum pump 45, and do not take
Disappear second level condenser 43, second level pump 44 and second steam ejector pump 46, hence it is evident that reduces operating cost,
Steam saves 50%, not be used in outsourcing steam of spending；Investment is less than 1,000 ten thousand, and by steam saving, two arrive
Recoverable investment in 3 years；Electricity consumption is less demanding, and power consumption is little；Take up an area little, available existing platform；
Formed the most standby by a switching valve and secondary mechanical turbomolecular vacuum pump 45, can cut when converter produced steam is enough
Change to steam pump system.
[embodiment 5]
Refer to Fig. 5, it is the schematic diagram of evacuation process apparatus embodiments 5 of the present invention.As it is shown in figure 5,
Described vapour system pump includes first order condenser 51；Described mechanical pump vacuum system includes that secondary mechanical pump is true
Empty pump 52, concrete, described secondary mechanical turbomolecular vacuum pump 52 includes: one-level lobe pump 521 and one-level screw rod
Pump 522；Described first order condenser 51 is connected with described secondary mechanical turbomolecular vacuum pump 52.In this embodiment,
Eliminate fourth stage pump, second level condenser, level V pump and second steam ejector pump.
Directly connect after first order condenser 51 described secondary mechanical turbomolecular vacuum pump 52, and eliminate the fourth stage
Pump, second level condenser, level V pump and second steam ejector pump, hence it is evident that reduce operating cost, steam saves
About 50%, it not be used in outsourcing steam of spending；Investment is less than 1,000 ten thousand, by steam saving, and 2 to three years can
Recoup capital outlay；Electricity consumption is less demanding, and power consumption is little；Take up an area little, available existing platform；Easy care.
Foregoing description is only the description to present pre-ferred embodiments, not any limit to the scope of the invention
Fixed, any change that the those of ordinary skill in field of the present invention does according to the disclosure above content, modification, all belong to
Protection domain in claims.
Claims (4)
1. an evacuation process equipment, it is characterised in that including: air cooler, respectively with described air cooler
The steam pump system of series connection and mechanical pump vacuum system, described steam pump system and mechanical pump vacuum system are in parallel,
The most standby used,
Wherein, described steam pump system includes being sequentially connected with first order condenser, first order pump, the second level
Condenser and second level pump, described mechanical pump vacuum system includes one-level screw rod mechanism turbomolecular vacuum pump, described
Secondary condenser is connected with described one-level screw rod mechanism turbomolecular vacuum pump, described second level pump and described one-level screw rod
Mechanical pump vacuum pump is in parallel；
Or, first order condenser that described steam pump system includes being sequentially connected with, first order pump, the second level
Condenser and second level pump, described mechanical pump vacuum system includes secondary mechanical turbomolecular vacuum pump, the described first order
Condenser is connected with described secondary mechanical turbomolecular vacuum pump, described first order pump, second level condenser, the second level
Pump is in parallel with described secondary mechanical turbomolecular vacuum pump.
2. evacuation process equipment as claimed in claim 1, it is characterised in that when described steam pump system
Including the first condenser being sequentially connected with, first order pump, second level condenser and second level pump, described machinery
Pump vacuum system includes one-level screw rod mechanism turbomolecular vacuum pump, described second level condenser and described one-level screw machine
Tool turbomolecular vacuum pump is connected, when described second level pump is in parallel with described one-level screw rod mechanism turbomolecular vacuum pump, and described steaming
Heat pump system also includes the final stage steam jet pump being connected with described second level pump.
3. evacuation process equipment as claimed in claim 1, it is characterised in that when described steam pump system
Including the first order condenser being sequentially connected with, first order pump, second level condenser and second level pump, described machine
Tool pump vacuum system includes secondary mechanical turbomolecular vacuum pump, and described first order condenser is true with described secondary mechanical pump
Empty series connection of pumps, described first order pump, second level condenser, second level pump and described secondary mechanical turbomolecular vacuum pump
Time in parallel, described secondary mechanical turbomolecular vacuum pump includes one-level lobe pump and the one-level screw pump being sequentially connected with.
4. evacuation process equipment as claimed in claim 3, it is characterised in that described steam pump system is also
Including the second steam ejector pump being connected with described second level pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272888.4A CN104019017B (en) | 2014-06-18 | 2014-06-18 | A kind of evacuation process equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272888.4A CN104019017B (en) | 2014-06-18 | 2014-06-18 | A kind of evacuation process equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610102961.2A Division CN105736326A (en) | 2014-06-18 | 2014-06-18 | Vacuumizing process equipment |
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| CN104019017A CN104019017A (en) | 2014-09-03 |
| CN104019017B true CN104019017B (en) | 2016-08-17 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514874A (en) * | 1978-07-18 | 1980-02-01 | Kobe Steel Ltd | Exhausting apparatus for vacuum degassing of molten steel |
| FR2822200B1 (en) * | 2001-03-19 | 2003-09-26 | Cit Alcatel | PUMPING SYSTEM FOR LOW THERMAL CONDUCTIVITY GASES |
| CN101503749B (en) * | 2009-03-19 | 2010-10-06 | 宝钢工程技术集团有限公司 | Vacuum degasification system steam jet and last stage pressure air injection vacuum technology |
| CN101624980B (en) * | 2009-08-08 | 2011-12-07 | 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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