CN107524915A - A kind of explosion-proof tank - Google Patents
A kind of explosion-proof tank Download PDFInfo
- Publication number
- CN107524915A CN107524915A CN201710701866.9A CN201710701866A CN107524915A CN 107524915 A CN107524915 A CN 107524915A CN 201710701866 A CN201710701866 A CN 201710701866A CN 107524915 A CN107524915 A CN 107524915A
- Authority
- CN
- China
- Prior art keywords
- explosion
- case lid
- valve
- proof
- way valve
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention provides a kind of explosion-proof tank used in high-pressure bottle field,Being capable of automatic open-close case lid,Explosion-proof tank includes casing,Case lid and the explosion-proof pin for connecting casing and case lid,Also include case lid headstock gear,Case lid headstock gear includes being connected between casing and case lid to drive the double acting driving cylinder that case lid is opened and closed,For the three-position four-way valve and two-position three-way valve for controlling double acting driving cylinder to act,Three-position four-way valve is the reversal valve with Y type Median Functions,Two-position three-way valve is magnetic valve,With for making original state that working hole connects with T mouths and for making what working hole ended electricity condition,The T mouths of three-position four-way valve communicate with the working hole of two-position three-way valve,Case lid headstock gear also includes the relay for being used to detect the sensor of the stroke of double acting driving cylinder and being connected with sensor signal,Relay is connected with the solenoid valve control.Solves the problem of working strength is big, and operating efficiency is low when explosion-proof tank of the prior art uses.
Description
Technical field
The present invention relates to the explosion-proof tank in high-pressure bottle, and in particular to a kind of explosion-proof tank of energy automatic open-close.
Background technology
Explosion-proof tank is mainly used in high-pressure bottle, the safety inflated of high tension apparatus, experiment in high pressure industry.It is mainly used in hindering
Splash and impact caused by high-pressure bottle or device are received after pressure is destroyed, with protection technique personnel and the peace of other equipment
Entirely.
In the prior art, the explosion-proof tank used in gases at high pressure row is manufactured, after typically being welded using steel plate, case lid and case
Body uses explosion-proof pin connection, and technical staff is when assembling explosion-proof tank, it is necessary to by manpower come folding case lid come assembling assembly, task
Cumbersome fatigue, it is less efficient, process and the arrangement of work are influenceed, is also easy to safety problem occur.It is also, large batch of in progress
When production and experiment, the mechanical action repeated may make technical staff occur careless mistake at work, cause casing to coordinate not tight
Or explosion-proof pin is not inserted into, during using such product, lid injury of unpacking can be pushed up after explosion-proof tank inner high voltage device is destroyed
To the technical staff at scene, there is unsafe factor.
The content of the invention
It is an object of the invention to provide a kind of explosion-proof tank, to solve working strength when explosion-proof tank of the prior art uses
Greatly, the problem of operating efficiency is low.
To achieve the above object, the present invention adopts the following technical scheme that：
Technical scheme 1：A kind of explosion-proof tank, including casing, case lid and the explosion-proof pin for connecting casing and case lid, in addition to case lid
Headstock gear, the case lid headstock gear includes being connected to be driven between casing and case lid with the double acting for driving case lid to be opened and closed
Cylinder, three-position four-way valve and two-position three-way valve for controlling double acting driving cylinder to act, three-position four-way valve are with Y type middle-position machines
The reversal valve of energy, the two-position three-way valve is magnetic valve, with the original state for being used to make working hole connect with T mouths and for making
Working hole cut-off obtains electricity condition, and the T mouths of the three-position four-way valve communicate with the working hole of the two-position three-way valve, the case lid
Headstock gear also includes the relay for being used to detect the sensor of the stroke of double acting driving cylinder and being connected with the sensor signal
Device, the relay are connected with the solenoid valve control.Its advantage is：Technical staff is driven by operating reversal valve
Cylinder piston motion replaces manually, lift case lid, having saved manpower, when three-position four-way valve is located at Median Function, case lid gas
Cylinder is in the state floated, will not off-load, the convenient folding position to case lid is artificially adjusted.Relay accuracy of judgement efficiency
Height, and working stability, multiple controls can be completed, speed is opened and closed to adjust case lid by sensor transmissions signal, has saved people
Power, improve operating efficiency.
Technical scheme 2：According to the explosion-proof tank described in technical scheme 1, the sensor is to be arranged on the magnetic outside driving cylinder
Property switch.Its advantage is：Magnetic switch outside driving cylinder is travel switch, in case lid in folding to certain position
When, worked by magnetic switch control relay, relay makes two-bit triplet electromagnetism valve events, the convenient keying speed for controlling case lid
Degree, solenoid valve control and outer Media Interface Connector, select different actions that case lid driving cylinder can be made to be in the state floated, facilitate regulating box
The position of lid.
Technical scheme 3：According to the explosion-proof tank described in technical scheme 1, the three-position four-way valve and case lid cylinder connecting path
Between increase be provided be used for adjust case lid keying speed one-way throttle valve.Its advantage is：Medium is by unidirectionally saving
When flowing valve, it is possible to achieve driving cylinder quickly enters the rising of medium belt piston bar, and case lid is opened, and when changing the direction of motion, can be realized
Cylinder quickly medium at row, case lid closing, and can realize regulation uninterrupted by choke valve, change piston rod lifting speed
Degree, turns off or on speed so as to change case lid, has adapted to a variety of situations.
Technical scheme 4：According to the explosion-proof tank described in technical scheme 3, the three-position four-way valve is hand rotary valve.It is beneficial to effect
Fruit is：Technical staff selects hand rotary valve to be operated, convenient and swift, is conveniently adjusted.
Technical scheme 5：According to the explosion-proof tank described in technical scheme 1, the case lid is hinged on casing.Its advantage exists
In：Case lid opposite side joins on casing, and driving cylinder opens and closes case lid from side, has torque to case lid, is easily opened case lid.
Technical scheme 6：According to the explosion-proof tank described in technical scheme 1, the explosion-proof pin is driven by driving cylinder, and is set anti-
Quick-fried pin socket coordinates with explosion-proof pin.Its advantage is：Explosion-proof pin is driven using driving cylinder to realize the closure of explosion-proof pin,
Technical staff is facilitated to be operated, and explosion-proof pin socket can coordinate with explosion-proof pin, ensure that structural integrity, make case lid and casing
Sealing improve.
Technical scheme 7：According to the explosion-proof tank described in technical scheme 6, the explosion-proof pin driving cylinder is connected with two position four-way valves,
Two position four-way valve is hand rotary valve.Its advantage is：Two position four-way valves select different structures to realize commutation
Effect, manually technical staff is facilitated to operate.
Technical scheme 8：According to the explosion-proof tank described in technical scheme 1, the explosion-proof tank also including being for detecting explosion-proof pin
The no alarm switch plugged together in place.Its advantage is：Case lid open when, explosion-proof pin not in place when can send alarm, case
When closed, explosion-proof pin is not inserted into socket can also send alarm to lid, improve security, reduce work careless mistake.
Technical scheme 9：According to the explosion-proof tank described in technical scheme 8, the alarm switch is the work for detecting driving cylinder
Fill in the alarm switch of position.Its advantage is：Alarm switch is detected in drive ram-plunger connections position, passes through piston rod movement position
Put to judge whether grafting is in place so as to sending alarm for explosion-proof pin.
Technical scheme 10：According to the explosion-proof tank described in technical scheme 8, the alarm switch is arranged in explosion-proof pin socket.
Its advantage is：Facilitate technical staff to assemble and make its compact-sized.
Brief description of the drawings
Fig. 1 is the circuit diagram of air control unit in the present invention；
Fig. 2 is a kind of structural representation of embodiment in the present invention；
Fig. 3 is the side view of above-described embodiment.
In figure：1. intake valve；2. bleed pressure table；3. pressure-reducing valve；4. boost gauge；5. intake-air throttle valve；6. three
Four-way hand rotary valve；7. one-way throttle valve A；8. case lid cylinder A；9. one-way throttle valve B；10. case lid cylinder B；11. magnetic valve；
12. magnetic switch；13. relay；14. explosion-proof pin cylinder；15. two four-way hand rotary valves；16. choke valve；17. sound and light alarm
Switch；18. case lid lifts ring；19. explosion-proof pin socket；20. device support；21. casing；22. case lid；23.24V dc sources.
Embodiment
As Figure 1-3, it is a kind of embodiment of the present invention, the automatic open-close of explosion-proof tank case lid and explosion-proof pin can be achieved
It is automatically inserted into,
Technical staff can be used medium be air pressure mode come operate reversal valve make driving cylinder action with realize case lid 22 from
Dynamic to open and close, the reversal valve includes three-position four-way valve and two-position three-way valve, and in the present embodiment, elects hand rotary valve as, institute
The driving cylinder stated all is cylinder.Explosion-proof tank is welded into casing 21 by plurality of steel plates, and the one end of case lid 22 is be hinged with casing 21, the other end
Upper processing processing case lid lift ring 18, facilitates technical staff to adjust case lid position by explosion-proof pin socket 19.In the interior welds of casing 21
Device support 20, experimental assembly, electrical equipment can be placed.Case for supporting case lid to open is installed in the side wall of casing 21
Lid cylinder A, B, piston rod and the case lid 22 of cylinder are attached.Explosion-proof pin cylinder 14 is installed in the side wall of casing 21, on cylinder
Explosion-proof pin is connected, can be coordinated with the explosion-proof pin socket 19 on case lid 22, and acousto-optic alarm switch 17 is installed at cooperation.
Compressed air source enters air inlet branch road by intake valve 1, and intake valve 1 can control flow, be conveniently adjusted work shape
State.Bleed pressure table 2, pressure-reducing valve 3, boost gauge 4 have been sequentially arranged on its branch road.Case lid cylinder A8, case lid cylinder B10
It is connected respectively with one-way throttle valve A, one-way throttle valve B, wherein, it is mounted with magnetic switch 12 on case lid cylinder B10.Choke valve with
3-position 4-way hand rotary valve 6 connects, and can be opened using hand-operated direction valve with the quick regulation direction of motion, case lid, changes motion side
Xiang Shi, cylinder Quick air-discharge can be realized, case lid is closed, and can realize regulation uninterrupted by choke valve 5, changes piston rod
Lifting speed, speed is turned off or on so as to change case lid 22, has adapted to a variety of situations.Wherein, 3-position 4-way hand rotary valve 6 wraps
A working holes, B working holes, P mouths and T mouths are included, it has and P mouths is connected with A working holes, the left position that T mouths connect with B working holes, make
P mouths connect with B working holes, T mouths connect with A working holes right position and the Median Function for making T mouths and A, B working hole while connecting, T
Mouth connection magnetic valve 11 can be realized discharges gas during coordinated signals.The air inlet of hand rotary valve 6 is connected to air inlet branch road
On, gas outlet is connected on magnetic valve 11, and intake-air throttle valve is installed additional between 3-position 4-way hand rotary valve 6 and boost gauge 4
5, intake velocity can be adjusted, keeps working stability, reduces working impact power, increases working life.Explosion-proof pin cylinder 14 and two
Four-way hand rotary valve 15 is connected, and the air inlet of hand rotary valve 15 is connected with air inlet branch road, and gas outlet is connected with choke valve 16.Upper
State in loop, by the control relay 13 of magnetic switch 12, relay 13 can coordinated signals magnetic valve 11,24V dc sources 23
Powered to relay 13 and acousto-optic alarm switch 17.
The present invention working method be：Technical staff, come drive cylinder piston rod movement, and is selected by compressed air source
Valve difference path realizes explosion-proof tank case lid automatic open-close, and can adjust opening and closing speed, and wherein cylinder can also control explosion-proof
The automatic plug of pin, switch is set on explosion-proof pin, acousto-optic prompting can be carried out if explosion-proof pin is not inserted.It is explosion-proof in the present invention
Case case lid 22 is hinged with casing 21 using side, and opposite side is connected using cylinder piston rod, and case lid is lifted using piston movement
22, the automatic open-close of case lid 22 is realized, in addition, explosion-proof tank cylinder and explosion-proof pin connection, make pin and installation by piston movement
Explosion-proof pin socket 19 on case lid 22 coordinates.
Compressed air source is entered by intake valve 1 in the loop of air control unit, and regulation intake valve 1 can control inlet air flow
Amount, air-flow observe stream pressure, adjust intake valve 1, air-flow can reduce air inlet branch by pressure-reducing valve 3 by bleed pressure table 2
Pressure in road, the stability of air inlet is improved, and when admission pressure fluctuates, pressure can be kept constant, increased
Job stability.
Air-flow is by boost gauge 4, it is observed that into 3-position 4-way hand rotary valve 6 and two-position four-way hand rotary valve
15 pressure condition, technical staff personnel can be facilitated to adjust air pressure, keep working stability.Air-flow respectively enters valve 6 and valve 15
In, among valve 6 and boost gauge 4, choke valve 5 can be reconciled to reduce working impact power, increase the work of hand rotary valve
Life-span.In 3-position 4-way hand rotary valve 8, rotary valve is rotated, realizes the rapid increase of case lid piston rod, rapid decrease and slowly
Decline, in the one-way throttle valve A and one-way throttle valve B be connected with hand rotary valve 8, by adjusting choke valve, it is possible to achieve tune
Amount of restriction size, changes the speed of piston rod lifting, and check valve can ensure stability of the piston rod in motion process.Two
Four-way hand rotary valve 15 is connected with air inlet branch road, and controls the motion conditions of explosion-proof pin cylinder, can be real by rotating rotary valve 15
The F.F. of existing piston rod, rewind.The explosion-proof pin that piston rod drives can have been saved manpower, subtracted with the explosion-proof automatic plug of pin socket 19
The fussy degree of work is lacked.And the travel switch that the magnetic switch on case lid cylinder B10 is case lid folding is arranged on, is reached
Certain position magnetic switch 12 makes relay powered, so as to control electromagnetism valve events, cylinder is carried out quick condition.At three
When four-way valve is located at middle position, now A, B mouth connect respectively at case lid cylinder A, B on three-position four-way valve, 3-position 4-way hand rotary valve 6
In quick condition, technical staff can control the opening and closing degree of case lid manually, and there is also mounted on explosion-proof pin cylinder 14
Acousto-optic alarm switch 17, do not coordinate in explosion-proof pin with explosion-proof pin socket, when case lid is opened, sound and light alarm can be sent, remind
Technical staff checks situation, the maloperation of technical staff when preventing non-latch, can prompt technical staff by sound and light alarm in time.
In air control unit, energized using 24V dc sources 23 for relay 13 and acousto-optic alarm switch 17, so as to join to realize
Dynamic control.
In other embodiments：If it is not high in the intensity of pressure, and impact and splashing probability of happening it is not high in the case of, it is explosion-proof
Case case lid can also set observation window, to observe situation about being equipped in case, it is not necessary to which explosion-proof pin is opened in repetition, to open case
Lid observation, reduces cumbersome workload, improves operating efficiency；It is also an option that hydraulic oil is used as driving medium, to realize
The keying of case lid.
Claims (10)
1. a kind of explosion-proof tank, including casing, case lid and the explosion-proof pin for connecting casing and case lid, it is characterised in that：Also include
Case lid headstock gear, the case lid headstock gear includes being connected to be driven between casing and case lid with the double acting for driving case lid to be opened and closed
Dynamic cylinder, three-position four-way valve and two-position three-way valve for controlling double acting driving cylinder to act, three-position four-way valve are with Y type middle positions
The reversal valve of function, the two-position three-way valve are magnetic valve, have the original state for being used for making working hole be connected with T mouths and are used for
Make working hole cut-off obtains electricity condition, and the T mouths of the three-position four-way valve communicate with the working hole of the two-position three-way valve, the case
Lid headstock gear also include be used for detect double acting driving cylinder stroke sensor and be connected with the sensor signal after
Electrical equipment, the relay are connected with the solenoid valve control.
2. explosion-proof tank according to claim 1, it is characterised in that：The sensor is to be arranged on the magnetic outside driving cylinder
Switch.
3. explosion-proof tank according to claim 1, it is characterised in that：Between three-position four-way valve and the driving cylinder connecting path
Increase is provided with the one-way throttle valve for the keying speed for being used to adjust case lid.
4. explosion-proof tank according to claim 3, it is characterised in that：The three-position four-way valve is hand rotary valve.
5. explosion-proof tank according to claim 1, it is characterised in that：The case lid is hinged on casing.
6. explosion-proof tank according to claim 1, it is characterised in that：The explosion-proof pin is driven by driving cylinder, and is set anti-
Quick-fried pin socket coordinates with explosion-proof pin.
7. explosion-proof tank according to claim 6, it is characterised in that：The explosion-proof pin driving cylinder is connected with two position four-way valves,
Two position four-way valve is hand rotary valve.
8. explosion-proof tank according to claim 1, it is characterised in that：The explosion-proof tank also includes being used for whether detecting explosion-proof pin
Plug together alarm switch in place.
9. explosion-proof tank according to claim 8, it is characterised in that：The alarm switch is the piston for detecting driving cylinder
The alarm switch of position.
10. explosion-proof tank according to claim 8, it is characterised in that：The alarm switch is arranged in explosion-proof pin socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701866.9A CN107524915A (en) | 2017-08-16 | 2017-08-16 | A kind of explosion-proof tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701866.9A CN107524915A (en) | 2017-08-16 | 2017-08-16 | A kind of explosion-proof tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107524915A true CN107524915A (en) | 2017-12-29 |
Family
ID=60681244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710701866.9A Withdrawn CN107524915A (en) | 2017-08-16 | 2017-08-16 | A kind of explosion-proof tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524915A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH322451A (en) * | 1954-05-05 | 1957-06-15 | Maier & Cie C | Electrical switching device with explosion-proof box |
| CN102295248A (en) * | 2010-06-25 | 2011-12-28 | 上海梅山钢铁股份有限公司 | Hydraulic elevating leveling device and control and use method for the same |
| CN202327649U (en) * | 2011-11-11 | 2012-07-11 | 中国人民解放军兰州军区联勤部油料监督处 | Multifunctional air-filled explosion-proof box |
| CN103148259A (en) * | 2013-03-07 | 2013-06-12 | 世林（漯河）冶金设备有限公司 | Furnace top bleeding valve with safety protection function |
| CN104393441A (en) * | 2014-11-26 | 2015-03-04 | 江西洪都航空工业集团有限责任公司 | Mobile explosion-proof socket box |
| CN207145977U (en) * | 2017-08-16 | 2018-03-27 | 凯迈（洛阳）气源有限公司 | Explosion-proof tank |
-
2017
- 2017-08-16 CN CN201710701866.9A patent/CN107524915A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH322451A (en) * | 1954-05-05 | 1957-06-15 | Maier & Cie C | Electrical switching device with explosion-proof box |
| CN102295248A (en) * | 2010-06-25 | 2011-12-28 | 上海梅山钢铁股份有限公司 | Hydraulic elevating leveling device and control and use method for the same |
| CN202327649U (en) * | 2011-11-11 | 2012-07-11 | 中国人民解放军兰州军区联勤部油料监督处 | Multifunctional air-filled explosion-proof box |
| CN103148259A (en) * | 2013-03-07 | 2013-06-12 | 世林（漯河）冶金设备有限公司 | Furnace top bleeding valve with safety protection function |
| CN104393441A (en) * | 2014-11-26 | 2015-03-04 | 江西洪都航空工业集团有限责任公司 | Mobile explosion-proof socket box |
| CN207145977U (en) * | 2017-08-16 | 2018-03-27 | 凯迈（洛阳）气源有限公司 | Explosion-proof tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207145977U (en) | Explosion-proof tank | |
| CN105065244A (en) | Pneumatic pump control device | |
| CN209180476U (en) | A kind of dome valve control loop | |
| CN107524915A (en) | A kind of explosion-proof tank | |
| CN107150905B (en) | Material sucking device, powder tank truck with same and material sucking method | |
| CN205876674U (en) | Full -automatic pneumatic diaphragm pump | |
| CN105697342B (en) | Parallel expanded type DC diaphragm electromagnetic pump | |
| CN208439801U (en) | The Mobile garbage compression box hydraulic system of integrated power source | |
| CN105972220B (en) | Two-way conisphere valve and telesecurity monitoring system | |
| CN200940697Y (en) | Electrohydraulic driven insert plate type double layer ash discharge valve for worm gear valve | |
| CN103964204B (en) | Pneumatic pipeline transmission container and intelligent pipeline thing pass system | |
| CN206511234U (en) | A kind of particle tanning device | |
| JP2892374B2 (en) | solenoid valve | |
| CN201087102Y (en) | Pneumatic elevator | |
| CN208119903U (en) | A kind of groove tank | |
| CN103964109A (en) | Control system and method for compression equipment in rubbish transfer station | |
| CN205600167U (en) | Interior welding machine pneumatic system | |
| CN217463404U (en) | Double-acting adjusting pneumatic valve control loop | |
| CN207025111U (en) | One kind dissolving brine tank | |
| CN108906816B (en) | Automatic flushing device and method for reaction kettles in petrochemical industry | |
| CN201265668Y (en) | Two-position three-way electromagnetic valve | |
| CN208803959U (en) | A kind of pump installation that falls automatically | |
| CN105133988A (en) | Emergency operation device for well mouth safety gate | |
| CN214679748U (en) | Device for realizing centralized discharge of residual water of fire engine | |
| CN2342024Y (en) | Pneumatic contineous booster water supply device |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171229 |
|
| WW01 | Invention patent application withdrawn after publication |