CN107461368A - Aspirate the steam jet vacuum pump system and its installation method of high corrosion gas - Google Patents
Aspirate the steam jet vacuum pump system and its installation method of high corrosion gas Download PDFInfo
- Publication number
- CN107461368A CN107461368A CN201710727864.7A CN201710727864A CN107461368A CN 107461368 A CN107461368 A CN 107461368A CN 201710727864 A CN201710727864 A CN 201710727864A CN 107461368 A CN107461368 A CN 107461368A
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- steam
- vacuum pump
- condenser
- pump
- jet vacuum
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
- F04F5/22—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating of multi-stage type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The application is related to a kind of steam jet vacuum pump system and its installation method for aspirating high corrosion gas, steam jet vacuum pump system includes vapor jet vacuum pump, steam transmission system, cooling water system, discharge opeing guard system, vapor jet vacuum pumping gas port connects with the equipment being evacuated, steam transmission system connects with vapor jet vacuum pump steam inlet, cooling water system connects with the condenser of vapor jet vacuum pump, condenser bottom leakage fluid dram connects with drainage system, steam jet pump housing and connecting tube in vapor jet vacuum pump are manufactured using carbon steel, steam jet pump housing, the inner surface of connecting tube uses enamel coating, steam jet pump nozzle uses Hastelloy.The application also includes the installation method of the steam jet vacuum pump system.The application device structure is simple, anticorrosion ability is good, service life of equipment is long, operation is easy, small investment, safe and reliable to operation.
Description
Technical field
The application is related to a kind of steam jet vacuum pump system and its installation method for aspirating high corrosion gas, main to be applicable
In oil, chemical industry, chemical fibre, agricultural chemicals, pharmacy etc..
Background technology
What vacuum pump technology was more and more extensive at present applies the decompression in industries such as oil, chemical industry, chemical fibre, agricultural chemicals, pharmacy
Evaporate, crystallize, distilling, distilling, drying, negative pressure concentrates, is dehydrated, in the techniques such as absorption that chemically react, some manufacture course of products
In can produce substantial amounts of highly corrosive gas, mainly chlorine, sulfur dioxide, hydrogen sulfide, hydrogen chloride, hydrogen fluoride etc., so with
Need to select anti-corrosion material or preservative treatment in the vavuum pump for aspirating these corrosive gas, even so these corrosive gas
Very quick corrosion can also be produced to operation intermediate pump, substantially reduce the service life of vavuum pump.
Product Process production requirement, major drawbacks can not be met in the conventional vavuum pump of suction highly corrosive gas at present
It is embodied in the following aspects：
（1）Oil-sealed rotary pump is because manufacture material manufacture is difficult, generally use coating antiseptic, but corrosion-inhibiting coating is in mechanical movement ring
Under border, corrosion-inhibiting coating is easily damaged and come off, and vavuum pump body is easily corroded, and service life is short.
（2）Vapor jet vacuum pump can use anti-corrosion metal material to manufacture, but chlorine, sulfur dioxide, hydrogen sulfide, chlorination
The gases such as hydrogen, hydrogen fluoride mix with water vapour, can condense in the surface of steam jet pump and condenser, to steam jet pump equipment
Fast erosion is produced, greatly shortens the service life of steam jet pump.
（3）Mixed in pumped gas containing corrosive gas, these gases such as chlorine, hydrogen chloride, hydrogen fluoride with steam
After can produce highly corrosive liquid, the surface being attached to inside vavuum pump, conventional anti-corrosion metal material can not keep out corrosion, it is necessary to
Vavuum pump can not meet to require using nonmetallic materials or special corrosion resistant coating protection, oil-sealed rotary pump aseptic technic.
The content of the invention
The application solve technical problem be overcome conventional anti-corrosion vaccum pump unit when aspirating highly corrosive gas without
Method meets the defects of production technology needs, and a kind of special anti-corrosion material is provided for industries such as oil, chemical industry, chemical fibre, agricultural chemicals, pharmacy
The corrosion-resistant steam jet vacuum pump system and its installation method of manufacture.
Technical scheme includes used by the application solves above-mentioned technical problem：
The steam jet vacuum pump system of the suction high corrosion gas includes：Vapor jet vacuum pump, steam transmission system, cooling
Water system, drainage system, vapor jet vacuum pump（First steam jet pump）Bleeding point connects with the equipment being evacuated, steam
Induction system connects with vapor jet vacuum pump steam inlet, and cooling water system connects with the condenser of vapor jet vacuum pump,
Condenser bottom leakage fluid dram connects with drainage system, and the steam jet pump housing and connecting tube in vapor jet vacuum pump use
Carbon steel manufactures, and the inner surface of steam jet pump housing and connecting tube uses enamel coating, and steam jet pump nozzle uses Kazakhstan
Alloy, steam jet pump housing is protected not to be corroded gas attack using enamel coating, while enamel coating hardness also meets to steam
Vapour jet pump sprays requirement of the high velocity air to housing and connecting tube sherardizing steel.
Vapor jet vacuum pump of the present invention includes first order steam jet pump, second level steam jet pump, the 3rd
Level steam jet pump, fourth stage steam jet pump, first order condenser, second level condenser, third level condenser, the first order are steamed
Vapour jet pump, second level steam jet pump, first order condenser, third level steam jet pump, second level condenser, the fourth stage steam
Vapour jet pump, third level condenser are sequentially communicated, and vapor jet vacuum pump is arranged in mounting bracket.
The condenser of vapor jet vacuum pump of the present invention（Including first order condenser, second level condenser, the 3rd
Level condenser）Use circular block pore type graphite condenser, circular block pore type graphite condenser can the moist chlorine of high corrosion, hydrochloric acid,
It is long-term use of under the links such as sulfuric acid, hydrofluoric acid, nitric acid.
Drainage system of the present invention include discharging tube, fluid-tight pond, discharging tube one end with it is cold in vapor jet vacuum pump
Condenser connects, and the discharging tube other end is located in fluid-tight pond under liquid level, provides fluid-tight for condenser, maintain the vacuum of condenser
Degree.
Steam transmission system of the present invention includes steam distributor, pneumatic on-off valve, jet chimney, steam distributor
Connected with power steam entrance, steam distributor is connected by jet chimney with vapor jet vacuum pump steam inlet, steam pipe
Pneumatic on-off valve is provided with road.
Cooling water system of the present invention includes cooled water distributor, cooling water valve, cooling water pipeline, cooling water pipeline
Including inlet channel, water return pipeline, cooled water distributor connects with cooling water inlet, cooled water distributor by inlet channel with
Condenser water inlet in vapor jet vacuum pump connects, and the leaving condenser water mouth in vapor jet vacuum pump passes through water return pipeline
Connected with cooling water discharge line, cooling water valve is provided with inlet channel.
Discharging tube of the present invention, fluid-tight pond are manufactured using corrosion resistant engineering plastics, and fluid-tight pond top is provided with discharge opeing
Mouthful.
Technical scheme also includes used by the application solves above-mentioned technical problem：The steam of above-mentioned suction high corrosion gas
The installation method of ejector vacuum pump system, comprises the following steps：
Pre-assembled-removably assemble vapor jet vacuum pump according to standard requirement, it is described detachably to refer to that steam sprays
Vavuum pump all parts（There is independent label in Fig. 2）Between it is detachable（Usual bolt connection）, all parts inside is fixed reliable；
The preassembled vapor jet vacuum pump of pretreatment-dismounting, enamel is plated after steam jet pump, connecting tube inner surface treatment are good；
Field apparatus installation-require to carry out steam jet vacuum pump system installment work according to standard；
Pressure leakage detection experiment-steam jet pump, steam transmission system, cooling water system carry out pressure leakage detection experiment, qualified i.e. complete
Installed into steam jet vacuum pump system, otherwise find out defect and correct.
It is the detailed installation steps of steam jet vacuum pump system below：
1st, pre-assembled:
Because the connecting tube of vapor jet vacuum pump uses internal plating enamel, thus can not assembled in situ welding, it is necessary in manufactory
Plating enamel is carried out after the completion of erection welding again to dispatch from the factory.
1) first three condensers are first arranged on rack platform by fitted position requirement, correct the perpendicularity of condenser,
It is required that deviation of centre distance≤± 5mm, perpendicularity deviation≤2/1000；
2) by second level steam jet pump and the first condenser air inlet assembly connection, adjustment connection pipe size, steam the second level
Vapour jet pump meets fitted position requirement, it is desirable to deviation of centre distance≤± 3mm, verticality≤2/1000, and by elbow and flange
Spot welding is fixed；
3) by first order steam jet pump and second level steam jet pump assembly connection, adjustment connection pipe size, steam the second level
Vapour jet pump meet fitted position requirement, it is desirable to deviation of centre distance≤± 3mm, perpendicularity deviation≤2/1000, and by elbow with
Flange spot welding is fixed；
4) by third level steam jet pump and the first condenser gas outlet assembly connection, perpendicularity is corrected, it is desirable to perpendicularity deviation
≤2/1000；
5) by the outlet of third level steam jet pump and the second condenser air inlet assembly connection, adjustment connection pipe size, it is desirable to hang down
Straight degree deviation≤2/1000, and connecting tube and flange spot welding are fixed；
6) by fourth stage steam jet pump and the second condenser gas outlet assembly connection, perpendicularity is corrected, it is desirable to perpendicularity deviation
≤2/1000；
7) by the outlet of fourth stage steam jet pump and the 3rd condenser air inlet assembly connection, adjustment connection pipe size, it is desirable to hang down
Straight degree deviation≤2/1000, and connecting tube and flange spot welding are fixed；
8) after the completion of pre-assembled, steam jet pump, connecting tube, condenser is removed, connecting tube is welded, steam is sprayed
Pump, connecting tube inner surface treatment, the requirement of plating enamel is reached, steam jet pump, connecting tube are delivered in enamel plant's progress
Surface plating enamel processing.
2nd, field apparatus is installed:
1) with loop wheel machine by steam jet pump, condenser, connecting tube, rack platform, steam distributor, cooled water distributor, valve
Door, jet chimney, cooling water pipeline etc. are hung on vacuum pump system mounting platform（≥+11.50m）, by fluid-tight pond installation ±
On 0.00 ground；
2) rack platform is arranged on the position of platform of design requirement, correcting bracket stage+module size, it is desirable to which centre-to-centre spacing is inclined
Difference≤± 5mm, perpendicularity deviation≤2/1000, rack platform and mounting platform is fixed；
3) three condensers are lifted on rack platform, correct its installation dimension and perpendicularity, it is desirable to deviation of centre distance≤±
5mm, perpendicularity deviation≤2/1000；
4) second level steam jet pump and connecting tube are subjected to assembly connection with the first condenser air inlet, correct its installation dimension
And perpendicularity, it is desirable to deviation of centre distance≤± 3mm, verticality≤2/1000；
5) by first order steam jet pump and connecting tube and second level steam jet pump assembly connection, correct its installation dimension and hang down
Straight degree, it is desirable to deviation of centre distance≤± 3mm, perpendicularity deviation≤2/1000；
6) by third level steam jet pump and the first condenser gas outlet assembly connection, by connecting tube and third level steam jet pump
Outlet and the second condenser air inlet assembly connection, correct its installation dimension and perpendicularity, it is desirable to perpendicularity deviation≤2/1000；
7) by fourth stage steam jet pump and the second condenser gas outlet assembly connection, by connecting tube and fourth stage steam jet pump
Outlet and the 3rd condenser air inlet assembly connection, correct its installation dimension and perpendicularity, it is desirable to perpendicularity deviation≤2/1000；
8) steam distributor is arranged on design attitude, and fixed with platform, pneumatic on-off valve is arranged on steam on request
On distributor, by design requirement by jet chimney respectively with steam valve adpting flange and first order steam jet pump, the second level
Steam jet pump, third level steam jet pump, fourth stage steam jet pump steam inlet flange carry out pipe arrangement, installation, welding.
9) cooled water distributor is arranged on design attitude, and fixed with platform, cooling water valve is arranged on request
On cooled water distributor, by design requirement by cooling water pipeline respectively with valve adpting flange and first order condenser, the second level
Condenser, third level condenser water inlet flange carry out pipe arrangement, installation, welding.
10) cooling water pipeline is condensed with first order condenser, second level condenser, the third level respectively by design requirement
Device delivery port flanges and outfall sewer road carry out pipe arrangement, installation, welding.
11) first order condenser, second level condenser, third level condenser condensate liquid discharging tube are installed by design requirement,
And it is connected with fluid-tight pond.
12) pressure leakage detection examination is carried out to steam jet pump, steam transmission system, cooling water system respectively after installation
Test, the installation of steam jet vacuum pump system is completed after qualified.
A kind of steam jet vacuum pump system for aspirating high corrosion gas of the present invention and installation method and existing skill
Art, which is compared, has advantages below：Device structure is simple, anticorrosion ability is good, service life of equipment is long, operation is easy, small investment,
It is safe and reliable to operation, carry out pre-assembled before pumping out factory because of vapor jet vacuum, so equipment to using in-site installation it is simple, this hair
It is bright for the reduction vaporization of the industry such as oil, chemical industry, chemical fibre, agricultural chemicals, pharmacy, it is crystallization, distillation, distillation, drying, negative pressure concentration, de-
The techniques such as water, chemical reaction absorption provide a kind of steam jet vacuum pump system for aspirating highly corrosive gas.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is that vapor jet vacuum pump of the present invention installs front view；
Fig. 3 is that vapor jet vacuum pump of the present invention installs top view.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 1, a kind of steam jet vacuum pump system of suction high corrosion gas of the embodiment of the present invention, including：Steam
Vapour ejector vacuum pump I, steam transmission system（Steam valve station and pipe-line system）IIth, cooling water system（Cooling water valve station and pipeline
System）IIIth, drainage system（Discharging tube and fluid-tight pond）Ⅳ.
Vapor jet vacuum pump I includes first order steam jet pump 1, first order steam jet pump 1 and second level steam and sprayed
The connecting tube 2 penetrated between pump 3, second level steam jet pump 3, the company of the outlet of second level steam jet pump 3 to first order condenser 5
Adapter 4, first order condenser 5, the connecting tube 6 of the outlet of third level steam jet pump 7 to second level condenser 8, the third level are steamed
Vapour jet pump 7, second level condenser 8, the connecting tube 9 of the outlet of fourth stage steam jet pump 10 to third level condenser 11,
Level Four steam jet pump 10, third level condenser 11, rack platform 12.
Steam transmission system II includes steam distributor 13, pneumatic on-off valve 14, from steam distributor 13 to steam at different levels
The jet chimney 15 of jet pump.
Cooling water system III includes cooled water distributor 16, cooling water valve 17, cooled water distributor 16 to condenser and intake
Inlet channel 18, the water return pipeline 19 of leaving condenser water mouth to cooling water discharge line of mouth.
Drainage system IV includes discharging tube 20 of the leakage fluid dram of first order condenser 5 to fluid-tight pond 23, the row of second level condenser 8
Liquid mouth is to the discharging tube 21 in fluid-tight pond 23, the discharging tube 22 of the leakage fluid dram of third level condenser 11 to fluid-tight pond 23, fluid-tight pond 23.
The installation method of the embodiment of the present invention：
1）First rack platform 12 is arranged on the mounting platform position of design requirement, and rack platform 12 is consolidated with mounting platform
It is fixed；
2）First order condenser 5, second level condenser 8, third level condenser 11 are lifted on rack platform 12, correct its peace
Condensers at different levels and rack platform 12 are connected by dress size and perpendicularity, blending bolt；
3) second level steam jet pump 3 and the air inlet of 4 and first condenser of connecting tube 5 are subjected to assembly connection, correct its installation
Size and perpendicularity, blending bolt are connected；
4) by first order steam jet pump 1 and connecting tube 2 and the assembly connection of second level steam jet pump 3, its installation dimension is corrected
And perpendicularity, blending bolt are connected；
5) by the gas outlet assembly connection of 7 and first condenser of third level steam jet pump 5, connecting tube 6 and third level steam are sprayed
The outlet of pump 6 and the air inlet assembly connection of the second condenser 8 are penetrated, corrects its installation dimension and perpendicularity, blending bolt is connected；
6) by the gas outlet assembly connection of 10 and second condenser of fourth stage steam jet pump 8, connecting tube 9 and fourth stage steam are sprayed
The outlet of pump 10 and the air inlet assembly connection of the 3rd condenser 11 are penetrated, corrects its installation dimension and perpendicularity, blending bolt connection is solid
It is fixed；
7) steam distributor 13 is arranged on design attitude, and fixed with platform, pneumatic on-off valve 14 is arranged on request
On steam distributor 13, jet chimney 15 is distinguished 15 by design requirement and sprayed with the adpting flange of steam valve 14 and first order steam
Pump 1, second level steam jet pump 3, third level steam jet pump 7, the steam inlet flange of fourth stage steam jet pump 10 is penetrated to carry out
Pipe arrangement, installation, welding.
8) cooled water distributor 16 is arranged on design attitude, and fixed with platform, cooling water valve 17 is pacified on request
On cooled water distributor 16, by design requirement by cooling water inlet pipe road 18 respectively with the adpting flange of valve 16 and the first order
Condenser 5, second level condenser 8, the water inlet flange of third level condenser 11 carry out pipe arrangement, installation, welding.
9) 19 and first order condenser 5, second level condenser the 8, the 3rd are distinguished into CWR road by design requirement
The level delivery port flanges of condenser 11 and outfall sewer road carry out pipe arrangement, installation, welding.
10) it is cold by design requirement installation first order condenser discharging tube 20, second level condenser discharging tube 21, the third level
Condenser discharging tube 22, and be connected with fluid-tight pond 23.
11）Vapor jet vacuum pump I, steam transmission system II, cooling water system III are pressed respectively after installation
Power leak test.
12）The exhaust tube that the entrance of first steam jet pump 1 is connected with the equipment being evacuated is installed, steam distributor is installed
13 entrances the pipeline of the installation entrance of cooled water distributor 16 to cooling water water inlet manifold, are installed to the jet chimney of main steam range
The exhaust outlet of third level condenser 11 to scrubbing tower 24 pipeline；The leakage fluid dram of fluid-tight pond 22 is installed to the pipeline of sewage network.Extremely
This equipment installation.
The high corrosion gas taken out reaches superatmospheric power after being compressed step by step by level Four steam jet pump, plays and takes out very
Empty effect, high corrosion gas wash heel row by discharge of pipes to scrubbing tower 24 after being cooled down by condenser and amplified in gas.Condensation
Liquid is by discharging tube 20, discharging tube 21, discharging tube 22, and by condensate discharge to fluid-tight pond 23, and fluid-tight pond 23 is three
The discharging tube of condenser provides fluid-tight, maintains the vacuum of condenser, and the condensate liquid in fluid-tight pond 23 passes through on fluid-tight pond 23
The leakage fluid dram that portion is set, by condensate discharge into sewage network.
Although the present invention is disclosed as above with embodiment, it is not limited to protection scope of the present invention, any ripe
The technical staff of this technology is known, in the change and retouching made without departing from the spirit and scope of the invention, this all should be belonged to
The protection domain of invention.
Claims (7)
1. it is a kind of aspirate high corrosion gas steam jet vacuum pump system, including vapor jet vacuum pump, steam transmission system,
Cooling water system, discharge opeing guard system, vapor jet vacuum pumping gas port connect with the equipment being evacuated, steam transmission system with
Vapor jet vacuum pump steam inlet connects, and cooling water system connects with the condenser of vapor jet vacuum pump, condenser bottom
Leakage fluid dram connects with drainage system, it is characterized in that：Steam jet pump housing and connecting tube in vapor jet vacuum pump use
Carbon steel is manufactured, and steam jet pump housing, the inner surface of connecting tube use enamel coating, and steam jet pump nozzle is closed using Kazakhstan
Gold.
2. the steam jet vacuum pump system of high corrosion gas is aspirated according to claim 1, it is characterized in that：Described steam
Ejector vacuum pump includes first order steam jet pump, second level steam jet pump, third level steam jet pump, the spray of fourth stage steam
Penetrate pump, first order condenser, second level condenser, third level condenser, first order steam jet pump, the injection of second level steam
Pump, first order condenser, third level steam jet pump, second level condenser, fourth stage steam jet pump, third level condenser according to
Secondary connection.
3. the steam jet vacuum pump system of high corrosion gas is aspirated according to claim 1, it is characterized in that：Described steam
The condenser of ejector vacuum pump uses circular block pore type graphite condenser.
4. the steam jet vacuum pump system of high corrosion gas is aspirated according to claim 1, it is characterized in that：The discharge opeing system
System includes discharging tube, fluid-tight pond, and discharging tube one end is connected with the condenser in vapor jet vacuum pump, and the discharging tube other end is located at
In fluid-tight pond under liquid level.
5. aspirating the steam jet vacuum pump system of high corrosion gas according to Claims 1-4 any claim, it is special
Sign is：Described steam transmission system includes steam distributor, pneumatic on-off valve, jet chimney, and steam distributor steams with power
Vapour entrance is connected, and steam distributor is connected with vapor jet vacuum pump steam inlet by jet chimney, set on jet chimney
There is pneumatic on-off valve.
6. aspirating the steam jet vacuum pump system of high corrosion gas according to Claims 1-4 any claim, it is special
Sign is：Described cooling water system includes cooled water distributor, cooling water valve, cooling water pipeline, and cooling water pipeline includes water inlet
Pipeline, water return pipeline, cooled water distributor are connected with cooling water inlet, and cooled water distributor is sprayed by inlet channel and steam
Condenser water inlet in vavuum pump connects, and the leaving condenser water mouth in vapor jet vacuum pump passes through water return pipeline and cooling water
Discharge line is connected, and cooling water valve is provided with inlet channel.
7. the peace of the steam jet vacuum pump system of high corrosion gas is aspirated according to claim 1 to 6 any claim
Dress method, it is characterized in that comprising the following steps：
Pre-assembled-removably assemble vapor jet vacuum pump according to standard requirement；
The preassembled vapor jet vacuum pump of pretreatment-dismounting, enamel is plated after steam jet pump, connecting tube inner surface treatment are good；
Field apparatus is installed；
Steam jet pump, steam transmission system, cooling water system carry out pressure leakage detection experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727864.7A CN107461368A (en) | 2017-08-23 | 2017-08-23 | Aspirate the steam jet vacuum pump system and its installation method of high corrosion gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727864.7A CN107461368A (en) | 2017-08-23 | 2017-08-23 | Aspirate the steam jet vacuum pump system and its installation method of high corrosion gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461368A true CN107461368A (en) | 2017-12-12 |
Family
ID=60549651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727864.7A Withdrawn CN107461368A (en) | 2017-08-23 | 2017-08-23 | Aspirate the steam jet vacuum pump system and its installation method of high corrosion gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718918A (en) * | 2022-05-19 | 2022-07-08 | 宝武集团鄂城钢铁有限公司 | Vacuum furnace steam jet pump system with pollution discharge device and vacuum-pumping method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT265814B (en) * | 1966-11-17 | 1968-10-25 | Austria Email Ag | Method and device for applying enamel slip to the outer and inner walls of objects to be enamelled |
| CN2369016Y (en) * | 1999-01-26 | 2000-03-15 | 王汉根 | Steam pump |
| CN203516228U (en) * | 2013-09-25 | 2014-04-02 | 山东新龙科技股份有限公司 | Water ejector vacuum pump for trichloro ethylene chlorination tower |
| CN204755420U (en) * | 2015-06-17 | 2015-11-11 | 浙江杭真能源科技股份有限公司 | Six grades of steam jet pump vacuum pumping system |
-
2017
- 2017-08-23 CN CN201710727864.7A patent/CN107461368A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT265814B (en) * | 1966-11-17 | 1968-10-25 | Austria Email Ag | Method and device for applying enamel slip to the outer and inner walls of objects to be enamelled |
| GB1136187A (en) * | 1966-11-17 | 1968-12-11 | Austria Email Ag | Methods of applying enamel coatings |
| CN2369016Y (en) * | 1999-01-26 | 2000-03-15 | 王汉根 | Steam pump |
| CN203516228U (en) * | 2013-09-25 | 2014-04-02 | 山东新龙科技股份有限公司 | Water ejector vacuum pump for trichloro ethylene chlorination tower |
| CN204755420U (en) * | 2015-06-17 | 2015-11-11 | 浙江杭真能源科技股份有限公司 | Six grades of steam jet pump vacuum pumping system |
Non-Patent Citations (1)
| Title |
|---|
| 化工部设备设计技术中心, 上海化学工业设计院 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718918A (en) * | 2022-05-19 | 2022-07-08 | 宝武集团鄂城钢铁有限公司 | Vacuum furnace steam jet pump system with pollution discharge device and vacuum-pumping method |
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Application publication date: 20171212 |