CN108970262A - A method of preventing the suction port of compressor BOG plugged filter - Google Patents
A method of preventing the suction port of compressor BOG plugged filter Download PDFInfo
- Publication number
- CN108970262A CN108970262A CN201810874709.2A CN201810874709A CN108970262A CN 108970262 A CN108970262 A CN 108970262A CN 201810874709 A CN201810874709 A CN 201810874709A CN 108970262 A CN108970262 A CN 108970262A
- Authority
- CN
- China
- Prior art keywords
- compressor
- bog
- tank body
- filter
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of methods for preventing the suction port of compressor BOG plugged filter, comprising the following steps: inlet filter is mounted in the air inlet pipe of compressor, scavenging conduit is arranged in the air inlet pipe after inlet filter exhaust port；Collecting pipe is set in the air inlet pipe before inlet filter intake interface；In BOG compressor break-off, nitrogen is filled with by scavenging conduit, inlet filter is purged, purged mixed gas is discharged by collecting pipe；The mixed gas that collecting pipe is discharged is filtered with filtering tank；The gas isolated is dried, be pressurized after be delivered in air accumulator.Advantages of the present invention: the suction port of compressor BOG filter can be purged, nitrogen when purging can be recycled, it is energy saving, when purging, nitrogen will not enter in BOG compressor, avoid the risk of BOG compressor starting with pressure, additionally it is possible to effectively prevent the suction port of compressor BOG plugged filter, guarantee efficient, the lasting operation of BOG compressor.
Description
Technical field
The present invention relates to industrial compressors field more particularly to a kind of sides for preventing the suction port of compressor BOG plugged filter
Method.
Background technique
Currently, the higher BOG of a large amount of dew points can be generated during LNG receiving station unloads LNG ship oceangoing ship and equipment purging displacement
Gas, and BOG compressor suction port is provided with the conical filter of 55 mesh, during recycling BOG, since temperature is lower than part gas
The dew point of body generates blockage effect, leads to BOG compressor inlet pressure so liquid nethike embrane can be gathered at conical filter
Reduction is unable to operate normally.Especially the operating condition is particularly evident during the LNG that unloads.When the suction port of compressor BOG, there is liquid in filter
Film, process operator is to connect nitrogen hose by the note nitrogen interface on BOG compressor input channel to infuse nitrogen at present, will
Pressure gauge pressure guiding pipe root threaded connection place is removed on BOG compressor outlet pipeline, is exhausted as interim discharge outlet.In this way
Frequently disassembly pressure gauge pressure guiding pipe easily causes screw thread stripped thread to damage, and threaded connection place easily loosens, under BOG compressor operating pressure
It can loosen, be easy to cause pressure gauge pressure guiding pipe to be ejected, there are security risks.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed prevents BOG compressor
The method of inlet filter blocking.
To achieve the goals above, present invention employs following technical solutions:
A method of preventing the suction port of compressor BOG plugged filter, comprising the following steps:
Step 1: inlet filter is mounted in the air inlet pipe of compressor, the air inlet after inlet filter exhaust port
Scavenging conduit is set on pipe；
Step 2: collecting pipe is arranged in the air inlet pipe before inlet filter intake interface；
Step 3: being filled with nitrogen in BOG compressor break-off by scavenging conduit and being purged to inlet filter, purge
Mixed gas afterwards is discharged by collecting pipe；
Step 4: the mixed gas that collecting pipe is discharged is filtered with filtering tank, by the solid impurity and gas in mixed gas
Body separation, solid impurity stay in filtering tank；
Step 5: being delivered in air accumulator after being dried, being pressurized to the gas that step 4 is isolated, the gas in air accumulator is used
It is supplied in scavenging conduit.
Preferably, the filtering tank in the step 4 includes tank body, and tank interior level is equipped with filter plate, and filter plate is by tank
Body is separated into the first gas storehouse of lower layer and second gas storehouse on upper layer, and air inlet connecting head tube, exhaust joint pipe and row are equipped on tank body
Slag junction block, the air inlet connecting head tube are arranged in tank wall side and are connected with the first gas storehouse, and the exhaust joint pipe is set
It sets in top of the tank and is connected with the second gas storehouse, the deslagging junction block is arranged in tank base and is connected with the first gas storehouse
It is logical.
Preferably, mating connection slag case at the deslagging junction block, slag case pass through deslagging junction block and the tank body
It is connected, is equipped with circular groove in slag case inside bottom, discharge through-hole is equipped at groove center of underside, in discharge through-hole
Locate mating connection drainage conduit, is equipped with through-hole in slag case inside top, through-hole and the groove are coaxially disposed, slide in through-hole
Mating connection slide bar, slide bar upper end are extend out on the outside of slag case, are fixedly connected with the first sealing plate in slide bar upper end, the lower end of the slider is stretched
Enter to slag case, is fixedly connected with the second sealing plate in the lower end of the slider, be cooperatively connected mounting plate on the outside of tank body, under mounting plate
Side mating connection cylinder, the piston rod of cylinder are fixedly connected with first sealing plate.
Preferably, the outer diameter of second sealing plate setting corresponding with the groove, the second sealing plate is less than groove
Internal diameter.
Preferably, first sealing plate and the second sealing plate are horizontally disposed, in the first sealing plate and the second sealing plate
Downside is equipped with annular seal groove, is respectively arranged with Gask-O-Seal in each annular seal groove.
Preferably, the filter plate includes being arranged in parallel and at interval the first fixed plate and the second fixed plate, and first is fixed
Plate and the second fixed plate are horizontally disposed with and are fixed on the inner wall of tank body, in the first fixed plate and the second fixed plate uniformly
Equipped with venthole, be cooperatively connected filter membrane between the first fixed plate and the second fixed plate.
Preferably, conducting element is fixedly connected in the tank body, conducting element is arranged in the first gas storehouse.
Preferably, the conducting element includes horizontally disposed connecting plate, and connecting plate is fixedly connected on the inner wall of tank body,
Mating connection deflector on the downside of connecting plate, deflector side is the arc surface under concaving, and water conservancy diversion is uniformly provided on arc surface
Slot.
The present invention has the advantages that the present invention can purge the suction port of compressor BOG filter, purging effect is good,
Nitrogen when purging can be recycled, energy saving, and when purging, nitrogen will not enter in BOG compressor, avoid BOG
The risk of compressor starting with pressure can effectively prevent the suction port of compressor BOG plugged filter by this method, guarantee BOG pressure
Efficient, the lasting operation of contracting machine.
Detailed description of the invention
Fig. 1 is the basic structure schematic diagram of filtering tank；
Fig. 2 is the basic structure schematic diagram of conducting element.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of method preventing the suction port of compressor BOG plugged filter provided by the invention, comprising the following steps:
Step 1: inlet filter is mounted in the air inlet pipe of compressor, the air inlet after inlet filter exhaust port
Scavenging conduit is set on pipe；
Step 2: collecting pipe is arranged in the air inlet pipe before inlet filter intake interface；
Step 3: being filled with nitrogen in BOG compressor break-off by scavenging conduit and being purged to inlet filter, purge
Mixed gas afterwards is discharged by collecting pipe；
Step 4: the mixed gas that collecting pipe is discharged is filtered with filtering tank, by the solid impurity and gas in mixed gas
Body separation, solid impurity stay in filtering tank；
Step 5: being delivered in air accumulator after being dried, being pressurized to the gas that step 4 is isolated, the gas in air accumulator is used
It is supplied in scavenging conduit.
As Figure 1-Figure 2, the filtering tank in the step 4 includes tank body 61, and 61 inner horizontal of tank body is equipped with filter plate
62, filter plate 62 includes being arranged in parallel and at interval the first fixed plate 62.1 and the second fixed plate 62.2, the first fixed plate 62.1
It is horizontally disposed with and is weldingly fixed on the inner wall of tank body 61 with the second fixed plate 6.22, it is solid in the first fixed plate 62.1 and second
It is uniformly provided with venthole 62.4 on fixed board 62.2, was cooperatively connected between the first fixed plate 62.1 and the second fixed plate 62.2
Filter membrane 62.3, filter membrane 62.3 are the prior art.
Tank body 61 is separated into the first gas storehouse 61.1 of lower layer and second gas storehouse 61.2 on upper layer by filter plate 62.In tank body 61
It is equipped with air inlet connecting head tube 61.3, exhaust joint pipe 61.4 and deslagging junction block 61.5, the setting of air inlet connecting head tube 61.3 exists
61 outer wall side of tank body and it is connected with the first gas storehouse 61.1.The exhaust joint pipe 61.4 setting is at 61 top of tank body and with the
Two gas storehouses 61.2 are connected, and the deslagging junction block 61.5 is arranged in 61 bottom of tank body and is connected with the first gas storehouse 61.1.
Conducting element 69 is fixedly connected in the tank body 61, conducting element 69 is arranged in the first gas storehouse 61.1.Conducting element 69
Including horizontally disposed connecting plate 69.1, connecting plate 69.1 is weldingly fixed on the inner wall of tank body 61, in 69.1 downside of connecting plate
The deflector 69.2 being vertically arranged is welded and fixed, the side of deflector 69.2 towards air inlet connecting head tube 61.3 is the circle under concaving
Cambered surface 69.3 is uniformly provided with diversion trench 69.4 on arc surface 69.3.Purged gas enters tank from air inlet connecting head tube 61.3
In body 61, gas and the intracorporal impurity of gas directly rush at deflector 69.2, and gas flows downward along deflector, then pass through upside
Filter plate be filtered impurity.While gas flow deflector, impurity, which impacts, can directly fall to tank on deflector
1 bottom of body.
Mating connection slag case 63 at deslagging junction block 61.5, slag case 63 are the hollow shell of sealing, and slag case 63 is logical
Deslagging junction block 61.5 is crossed to be connected with the tank body 61.It is equipped with circular groove 63.1 in 63 inside bottom of slag case, recessed
Discharge through-hole is equipped at 63.1 center of underside of slot, in discharge through hole mating connection drainage conduit 63.2.
It is equipped with through-hole 63.3 in 63 inside top of slag case, through-hole 63.3 and the groove 63.1 are coaxially disposed, in through-hole
Slide bars 64 are slidably connected in 63.3,64 upper end of slide bar extend out to 63 outside of slag case, is welded and fixed the in 64 upper end of slide bar
One sealing plate 66,64 lower end of slide bar stretch to the inside of slag case 63, are welded and fixed the second sealing plate 65 in 64 lower end of slide bar, and second
The setting corresponding with the groove 63.1 of sealing plate 65, the outer diameter of the second sealing plate 65 are less than the internal diameter of groove 63.1.First is close
Sealing plate 66 and the second sealing plate 65 are horizontally disposed, are equipped with ring packing on the downside of the first sealing plate 66 and the second sealing plate 65
Slot 66.1 is respectively arranged with Gask-O-Seal in each annular seal groove 66.1.It is welded and fixed on the outside of tank body 61 horizontally disposed
Mounting plate 67 is fixedly connected with cylinder 68, the piston rod of cylinder 68 and first sealing by installing bolt on the downside of mounting plate 67
Plate 66 is fixedly connected.
When in use, purged mixed gas enters in filtering tank 6 filtering tank, will be miscellaneous in gas by filtering tank 6
Matter removal, when the impurity in filtering tank 6 is too many, needs for impurity to be discharged, and in non-discharge impurities, pushes the by cylinder 68
One sealing plate 66, the first sealing plate 66, which moves down, blocks through-hole 63.3, moves down in the first sealing plate 66 same
When, the first sealing plate 66 drives the second sealing plate 65 also to move down by slide bar 64, is led to discharge by the second sealing plate 65
Hole is blocked.In discharge impurities, first sealing plate 66 is retracted by cylinder 68, the second sealing plate 65 is also drawn therewith
It returns, the gas in slag case 63 is discharged by drainage conduit 63.2, and while gas discharge, impurity is also discharged with gas simultaneously.
Claims (8)
1. a kind of method for preventing the suction port of compressor BOG plugged filter, which comprises the following steps:
Step 1: inlet filter is mounted in the air inlet pipe of compressor, the air inlet after inlet filter exhaust port
Scavenging conduit is set on pipe；
Step 2: collecting pipe is arranged in the air inlet pipe before inlet filter intake interface；
Step 3: being filled with nitrogen in BOG compressor break-off by scavenging conduit and being purged to inlet filter, purge
Mixed gas afterwards is discharged by collecting pipe；
Step 4: the mixed gas that collecting pipe is discharged is filtered with filtering tank, by the solid impurity and gas in mixed gas
Body separation, solid impurity stay in filtering tank；
Step 5: being delivered in air accumulator after being dried, being pressurized to the gas that step 4 is isolated, the gas in air accumulator is used
It is supplied in scavenging conduit.
2. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 1, it is characterised in that: institute
Stating the filtering tank in step 4 includes tank body (61), and tank body (61) inner horizontal is equipped with filter plate (62), and filter plate (62) is by tank
Body (61) is separated into the first gas storehouse (61.1) of lower layer and second gas storehouse (61.2) on upper layer, and air inlet connecting is equipped on tank body (61)
Head tube (61.3), exhaust joint pipe (61.4) and deslagging junction block (61.5), the air inlet connecting head tube (61.3) are arranged in tank body
(61) outer wall side and be connected with the first gas storehouse (61.1), exhaust joint pipe (61.4) setting at the top of tank body (61) and
Be connected with the second gas storehouse (61.2), the deslagging junction block (61.5) setting tank body (61) bottom and with the first gas storehouse
(61.1) it is connected.
3. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 2, it is characterised in that: institute
Mating connection slag case (63) at deslagging junction block (61.5) is stated, slag case (63) passes through deslagging junction block (61.5) and the tank
Body (61) is connected, and circular groove (63.1) is equipped in slag case (63) inside bottom, at groove (63.1) center of underside
Equipped with discharge through-hole, in discharge through hole mating connection drainage conduit (63.2), through-hole is equipped in slag case (63) inside top
(63.3), through-hole (63.3) and the groove (63.1) are coaxially disposed, and are slidably connected slide bar (64) in through-hole (63.3),
Slide bar (64) upper end is extend out on the outside of slag case (63), is fixedly connected with the first sealing plate (66), slide bar in slide bar (64) upper end
(64) lower end stretches on the inside of slag case (63), the second sealing plate (65) is fixedly connected in slide bar (64) lower end, in tank body (61)
Outside mating connection mounting plate (67), mating connection cylinder (68) on the downside of mounting plate (67), the piston rod of cylinder (68) with it is described
First sealing plate (66) is fixedly connected.
4. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 3, it is characterised in that: institute
The second sealing plate (65) setting corresponding with the groove (63.1) is stated, the outer diameter of the second sealing plate (65) is less than groove (63.1)
Internal diameter.
5. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 4, it is characterised in that: institute
It states the first sealing plate (66) and the second sealing plate (65) to be horizontally disposed with, under the first sealing plate (66) and the second sealing plate (65)
Side is equipped with annular seal groove (66.1), is respectively arranged with Gask-O-Seal in each annular seal groove (66.1).
6. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 2, it is characterised in that: institute
Stating filter plate (62) includes being arranged in parallel and at interval the first fixed plate (62.1) and the second fixed plate (62.2), the first fixed plate
(62.1) it is horizontally disposed with and is fixed on the inner wall of tank body (61) with the second fixed plate (6.22), in the first fixed plate (62.1)
With venthole (62.4) are uniformly provided on the second fixed plate (62.2), in the first fixed plate (62.1) and the second fixed plate
(62.2) mating connection filter membrane (62.3) between.
7. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 2, it is characterised in that:
It is fixedly connected conducting element (69) in the tank body (61), conducting element (69) setting is in the first gas storehouse (61.1).
8. a kind of method for preventing the suction port of compressor BOG plugged filter according to claim 1, it is characterised in that: institute
Stating conducting element (69) includes horizontally disposed connecting plate (69.1), and connecting plate (69.1) is fixedly connected on the inner wall of tank body (61)
On, the mating connection deflector (69.2) on the downside of connecting plate (69.1), deflector (69.2) side is the arc surface under concaving
(69.3), it is uniformly provided on arc surface (69.3) diversion trench (69.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874709.2A CN108970262A (en) | 2018-08-03 | 2018-08-03 | A method of preventing the suction port of compressor BOG plugged filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874709.2A CN108970262A (en) | 2018-08-03 | 2018-08-03 | A method of preventing the suction port of compressor BOG plugged filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108970262A true CN108970262A (en) | 2018-12-11 |
Family
ID=64555433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810874709.2A Pending CN108970262A (en) | 2018-08-03 | 2018-08-03 | A method of preventing the suction port of compressor BOG plugged filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108970262A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0132174A1 (en) * | 1983-06-29 | 1985-01-23 | Fläkt Aktiebolag | Apparatus for purifying a gas, e.g. air, contaminated by oily or hydrocarbonized liquids dispersed in this gas |
| CN202876544U (en) * | 2012-11-16 | 2013-04-17 | 李双民 | Steam-water separator for medical pulsation vacuum steam sterilizing cabinet |
| CN203051787U (en) * | 2013-01-07 | 2013-07-10 | 珠海九通水务有限公司 | Pneumatic base board valve |
| CN103468323A (en) * | 2013-09-13 | 2013-12-25 | 神木富油能源科技有限公司 | Raw coke oven gas dedusting device and raw coke oven gas dedusting method |
| CN103877828A (en) * | 2012-12-21 | 2014-06-25 | 中国科学院大连化学物理研究所 | Absorption liquid regeneration method and special-purpose absorption liquid regeneration device |
| CN205850420U (en) * | 2016-06-27 | 2017-01-04 | 中国石油天然气集团公司 | A kind of gas-liquid separation equipment |
| CN206069800U (en) * | 2016-06-01 | 2017-04-05 | 重庆耐德能源装备集成有限公司 | liquefied natural gas preparation system |
| CN107899265A (en) * | 2017-12-14 | 2018-04-13 | 佛山高富中石油燃料沥青有限责任公司 | A kind of steam afterheat utilization unit |
-
2018
- 2018-08-03 CN CN201810874709.2A patent/CN108970262A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0132174A1 (en) * | 1983-06-29 | 1985-01-23 | Fläkt Aktiebolag | Apparatus for purifying a gas, e.g. air, contaminated by oily or hydrocarbonized liquids dispersed in this gas |
| CN202876544U (en) * | 2012-11-16 | 2013-04-17 | 李双民 | Steam-water separator for medical pulsation vacuum steam sterilizing cabinet |
| CN103877828A (en) * | 2012-12-21 | 2014-06-25 | 中国科学院大连化学物理研究所 | Absorption liquid regeneration method and special-purpose absorption liquid regeneration device |
| CN203051787U (en) * | 2013-01-07 | 2013-07-10 | 珠海九通水务有限公司 | Pneumatic base board valve |
| CN103468323A (en) * | 2013-09-13 | 2013-12-25 | 神木富油能源科技有限公司 | Raw coke oven gas dedusting device and raw coke oven gas dedusting method |
| CN206069800U (en) * | 2016-06-01 | 2017-04-05 | 重庆耐德能源装备集成有限公司 | liquefied natural gas preparation system |
| CN205850420U (en) * | 2016-06-27 | 2017-01-04 | 中国石油天然气集团公司 | A kind of gas-liquid separation equipment |
| CN107899265A (en) * | 2017-12-14 | 2018-04-13 | 佛山高富中石油燃料沥青有限责任公司 | A kind of steam afterheat utilization unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210312523U (en) | Nozzle type back blowing device for vacuum suction machine | |
| CN103550972B (en) | Filtering device of sewage treatment vehicle | |
| CN109653701B (en) | Multi-head fracturing wellhead with filtering effect | |
| CN108970262A (en) | A method of preventing the suction port of compressor BOG plugged filter | |
| CN109058070A (en) | A kind of BOG compressor of easy cleaning filter | |
| CN113482580A (en) | Vertical filtering desander suitable for high-pressure environment | |
| CN207260229U (en) | A kind of silt cleaning device of water conservancy water channel | |
| CN103405951B (en) | A kind of filter press | |
| CN108980015A (en) | A kind of filtering tank of BOG compressor | |
| CN201924890U (en) | Novel coalbed methane ground extraction device | |
| CN107774207A (en) | A kind of packed tower with dredging function | |
| CN108744754A (en) | A kind of nitrogen blowback sweeping device for BOG compressors | |
| CN211963992U (en) | Material mixing device | |
| CN108355481A (en) | A kind of industrial waste gas dedusting depassing unit | |
| CN103405953B (en) | Filter press | |
| CN211975535U (en) | Oil well sand washing pump | |
| CN210449486U (en) | Discharging sealing system of sand mill in anticorrosive paint workshop | |
| CN209959282U (en) | Mining dust exhausting fan | |
| CN208699148U (en) | The vacuum-packed blast resistance construction of gas-phase silica | |
| CN207834026U (en) | Drying device is removed water after a kind of cable injection molding water cooling | |
| CN214660855U (en) | Vacuum pressure stabilizing system | |
| CN206942707U (en) | Well head circulating valve | |
| CN110876904A (en) | Material mixing device | |
| CN216198845U (en) | Recycle device of liquid ammonia that separation compressor entrance gas ammonia carried | |
| CN221752708U (en) | Gas-liquid separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
|
| RJ01 | Rejection of invention patent application after publication |