CN109578807A - A kind of liquefied ammonia tank vehicle, which fills, uses conveying pipe device - Google Patents
A kind of liquefied ammonia tank vehicle, which fills, uses conveying pipe device Download PDFInfo
- Publication number
- CN109578807A CN109578807A CN201811514716.8A CN201811514716A CN109578807A CN 109578807 A CN109578807 A CN 109578807A CN 201811514716 A CN201811514716 A CN 201811514716A CN 109578807 A CN109578807 A CN 109578807A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- liquefied ammonia
- heating plate
- conveying pipe
- pipe device
- 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
-
- 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
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/37—Ohmic-resistance heating the heating current flowing directly through the pipe to be heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/054—Size medium (>1 m3)
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- 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
- F17C2223/013—Single phase liquid
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- 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
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0171—Trucks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of liquefied ammonia tank vehicle and fills with conveying pipe device, the connecting tube has inlet and outlet, there is chimb on the inner wall in the connecting tube exit, the connecting tube has three layers, it is followed successively by heat-conducting layer, middle layer and insulating layer from inside to outside, the middle layer includes several heating plates, is connected with resistive heater in heating plate, the sealed valve is connected to the exit of connecting tube, and automatic cut out mechanism is connected in connecting tube and close to sealed valve.The middle layer of the connecting tube of the device has heating plate and resistive heater, and the heat that heating plate and resistive heater generate can make to heat up in connecting tube by heat-conducting layer, it prevents ammonia from liquefying during transportation, liquefied ammonia remaining in connecting tube can also be become ammonia, conveying effect is good.
Description
Technical field
The invention belongs to tank cars to fill technical field, fill more particularly, to a kind of liquefied ammonia tank vehicle and use conveying pipe device.
Background technique
For high-purity ammon of transporting for long-distance, existing high-purity ammon tank car generally includes car body and is connected in car body high-purity ammon tank car
On tank body, inside be cavity tank body energy stable storage high-purity ammon, in order to fill high-purity ammon in holding vessel, usually in tank body
Outside is provided with a delivery pipe, has the valve that can be opened and closed in delivery pipe.
In the prior art, existing delivery pipe, which first passes through to heat in tank car tank body in conveying, becomes ammonia for liquefied ammonia,
To be transported in liquefied ammonia holding vessel by delivery pipe, and liquefied ammonia can be remained in existing pipe or is liquefied as during transportation
Liquefied ammonia influences transfer efficiency.
Summary of the invention
The object of the present invention is to provide a kind of liquefied ammonia tank vehicles to fill with conveying pipe device, the middle layer of the connecting tube of the device
With heating plate and resistive heater, and the heat that heating plate and resistive heater generate can be made in connecting tube by heat-conducting layer
Heating, prevents ammonia from liquefying during transportation, liquefied ammonia remaining in connecting tube can also be become ammonia, conveying effect is good.
The technical scheme is that a kind of liquefied ammonia tank vehicle is filled with conveying pipe device, it includes connecting tube, sealing valve
Door, automatic cut out mechanism, which is characterized in that the connecting tube have inlet and outlet, the connecting tube exit it is interior
There is chimb on wall, the connecting tube has three layers, is followed successively by heat-conducting layer, middle layer and insulating layer from inside to outside, it is described in
Interbed includes several heating plates, and resistive heater is connected in heating plate, and the sealed valve is connected to the outlet of connecting tube
Place, automatic cut out mechanism are connected in connecting tube and close to sealed valves, the automatic cut out mechanism include annular brace side,
Spring, ball sealer and fixed plate, the annular brace side are connected with inside pipe wall bonding is connect, and spring bottom is connected to annular branch
It supports on side, fixed plate is connected to spring top, and ball sealer is fixed in fixed plate, and ball sealer can be resisted against under the action of the spring
Make to connect duct occlusion on chimb.
The import of connecting tube is connect with tank car tank body, and the sealed valve in outlet is connect with liquefied ammonia holding vessel, and ammonia is from even
Adapter tube import is opened toward outlet conveying, sealed valve, and the intracorporal pressure of tank car tank is greater than the pressure of liquefied ammonia holding vessel, and ammonia opens
Ball sealer conveys in liquefied ammonia holding vessel, and when being full of ammonia in liquefied ammonia holding vessel, its pressure can act on fixed plate and support ball sealer
Make to connect duct occlusion by chimb, accomplishes automatic cut out, during transportation, the resistive heater in the middle layer of connecting tube can make
Heating plate heating, the heat that heating plate generates can be made the ammonia in connecting tube heat up by heat-conducting plate, prevent ammonia from conveying
Become liquefied ammonia in journey, liquefied ammonia remaining in connecting tube can also be become ammonia, the conveying effect of the connecting tube is good, and conveying is completed
Rear enclosed sealed valve.
Further, the insulating layer is polyurethane thermal pipe, with a thickness of 2.0-5.0mm.Polyurethane thermal pipe heat
Be lost it is low, it is energy saving, and long service life.
Further, the heat-conducting layer is graphene heat conducting pipe, thickness 2.0-5.0mm.Graphene heat conducting pipe structure
It is highly stable, there is extraordinary heat-conductive characteristic.
Further, have on the inside of the chimb contact surface of arc, ball sealer and contact surface against.Increase ball sealer
Contact with chimb, good airproof performance.
Further, the resistive heater is connected with the power supply line connecting with extraneous power supply.
Further, the heating plate material be ferroaluminium, with a thickness of 1.0-1.5cm patch, the outside of heating plate with
Insulating layer is close to inside and is close to heat-conducting layer.
Further, the heating plate in a ring, the resistive heater spiral winding on hot plate and heat
There is the spiral shape wire casing for resistive heater inlay card on plate.
Further, alternatively, bottoming hole is provided in the heating plate, resistive heater is located at bottoming hole
It is interior.
Further, the heating plate length 10cm is equipped with rubber buffer ring between adjacent heating plate.Rubber buffer ring
Connecting tube can be allow appropriately curved, while avoiding heating plate mutual extrusion friction.
This liquefied ammonia tank vehicle is filled to be had with the advantages of conveying pipe device:
1. the middle layer of the connecting tube of the device has heating plate and resistive heater, and heating plate and resistive heater produce
Raw heat can make to heat up in connecting tube by heat-conducting layer, prevent ammonia from liquefying during transportation, can also be by connecting tube
Interior remaining liquefied ammonia becomes ammonia, and conveying effect is good.
2. the intracorporal pressure of tank car tank is greater than the pressure of liquefied ammonia holding vessel, it is defeated in liquefied ammonia holding vessel that ammonia opens ball sealer
It send, when being full of ammonia in liquefied ammonia holding vessel, its pressure can act on fixed plate and make ball sealer against chimb to connect duct occlusion, do
To automatic cut out.
Detailed description of the invention
Fig. 1 is that liquefied ammonia tank vehicle is filled with conveying pipe device structural schematic diagram.
Fig. 2 is automatic cut out structural scheme of mechanism.
Fig. 3 is resistive heater and heating plate schematic diagram.
Fig. 4 is resistive heater and heating plate another program schematic diagram.
In figure: 1, sealed valve；2, automatic cut out mechanism；3, insulating layer；4, middle layer；5, heat-conducting layer；6, power supply line；7,
Spring；8, annular brace side；9, fixed plate；10, ball sealer；11, chimb；12, connecting tube；13, rubber buffer ring；14, it heats
Resistance wire；15, heating plate.
Specific embodiment
As shown in Figs 1-4, the technical scheme is that a kind of liquefied ammonia tank vehicle is filled with conveying pipe device, it includes connection
Pipe 12, sealed valve 1, automatic cut out mechanism 2, which is characterized in that the connecting tube 12 has inlet and outlet, the company
On the inner wall in 12 exit of adapter tube have chimb 11, the connecting tube 12 have three layers, be followed successively by from inside to outside heat-conducting layer 5,
Middle layer 4 and insulating layer 3, the middle layer 4 include several heating plates 15, are connected with resistive heater 14, institute in heating plate 15
The sealed valve 1 stated is connected to the exit of connecting tube 12, and automatic cut out mechanism 2 is connected in connecting tube 12 and close to sealing valve
Door 1, the automatic cut out mechanism 2 include annular brace side 8, spring 7, ball sealer 10 and fixed plate 9, the annular brace
Side 8 and the bonding of 12 inner wall of connecting tube connect, and 7 bottom of spring is connected on annular brace side 8, and fixed plate 9 is connected to the top of spring 7
Portion, ball sealer 10 are fixed in fixed plate 9, and ball sealer 10, which can be resisted against on chimb 11, under the action of spring 7 makes connecting tube 12
Closing.
The insulating layer 3 is polyurethane thermal pipe, with a thickness of 2.0-5.0mm.Polyurethane thermal pipe thermal losses is low, section
The about energy, and long service life.
The heat-conducting layer 5 is graphene heat conducting pipe, thickness 2.0-5.0mm.Graphene heat conducting pipe structure is highly stable,
With extraordinary heat-conductive characteristic.
With the contact surface of arc on the inside of the chimb 11, ball sealer 10 and contact surface against.Increase ball sealer 10 with
The contact of chimb 11, good airproof performance.
The resistive heater 14 is connected with the power supply line 6 connecting with extraneous power supply.
15 material of heating plate is ferroaluminium, with a thickness of 1.0-1.5cm patch, the outside of heating plate 15 and insulating layer
3 are close to inside is close to heat-conducting layer 5.
In a ring, the resistive heater 14 is spirally wound in heating plate 15 and heating plate 15 for the heating plate 15
The upper spiral shape wire casing with for 14 inlay card of resistive heater.
Alternatively, bottoming hole is provided in the heating plate 15, resistive heater 14 is located in bottoming hole.
The 15 length 10cm of heating plate is equipped with rubber buffer ring 13 between adjacent heating plate 15.Rubber buffer ring 13
Connecting tube 12 can be allow appropriately curved, while avoiding 15 mutual extrusion friction of heating plate.
The middle layer 4 of the connecting tube 12 of the device has heating plate 15 and resistive heater 14, and heating plate 15 and heating
The heat that resistance wire 14 generates can make to heat up in connecting tube 12 by heat-conducting layer 5, prevent ammonia from liquefying during transportation, also
Remaining liquefied ammonia in connecting tube 12 can be become into ammonia, conveying effect is good.
The import of connecting tube 12 is connect with tank car tank body, and the sealed valve 1 in outlet is connect with liquefied ammonia holding vessel, ammonia from
12 import of connecting tube is opened toward outlet conveying, sealed valve 1, and the intracorporal pressure of tank car tank is greater than the pressure of liquefied ammonia holding vessel, ammonia
Pneumatic jack is opened ball sealer 10 and is conveyed in liquefied ammonia holding vessel, and when being full of ammonia in liquefied ammonia holding vessel, its pressure can act on fixed plate 9
Connecting tube 12 is closed against chimb 11 ball sealer 10, accomplish automatic cut out, during transportation, the middle layer of connecting tube 12
Resistive heater 14 in 4 can make heating plate 15 heat up, and the heat that heating plate 15 generates can be made in connecting tube 12 by heat-conducting plate
Ammonia heating, prevent ammonia from becoming liquefied ammonia during transportation, remaining liquefied ammonia in connecting tube 12 can also be become ammonia,
The conveying effect of the connecting tube 12 is good, close encapsulation valve 1 after the completion of conveying.
Claims (9)
1. a kind of liquefied ammonia tank vehicle is filled with conveying pipe device, it includes connecting tube, sealed valve, automatic cut out mechanism, feature
It is, the connecting tube has inlet and outlet, has chimb, the connection on the inner wall in the connecting tube exit
Pipe has three layers, is followed successively by heat-conducting layer, middle layer and insulating layer from inside to outside, and the middle layer includes several heating plates, heating
Resistive heater is connected on plate, the sealed valve is connected to the exit of connecting tube, and automatic cut out mechanism is connected to company
On adapter tube and close to sealed valve, the automatic cut out mechanism includes annular brace side, spring, ball sealer, the annular
Support edge is connected with inside pipe wall bonding is connect, and spring bottom is connected on annular brace side, and fixed plate is connected to spring top, close
Blocking is fixed in fixed plate, and ball sealer, which can be resisted against on chimb, under the action of the spring makes to connect duct occlusion.
2. a kind of liquefied ammonia tank vehicle according to claim 1 is filled with conveying pipe device, which is characterized in that the insulating layer
For polyurethane thermal pipe, with a thickness of 2.0-5.0mm.
3. a kind of liquefied ammonia tank vehicle according to claim 1 is filled with conveying pipe device, which is characterized in that the heat-conducting layer
For graphene heat conducting pipe, thickness 2.0-5.0mm.
4. a kind of liquefied ammonia tank vehicle according to claim 1 is filled with conveying pipe device, which is characterized in that in the chimb
Side has a contact surface of arc, ball sealer and contact surface against.
5. a kind of liquefied ammonia tank vehicle according to claim 1 is filled with conveying pipe device, which is characterized in that the heating electricity
Resistance silk is connected with the power supply line connecting with extraneous power supply.
6. a kind of liquefied ammonia tank vehicle according to claim 5 is filled with conveying pipe device, which is characterized in that the heating plate
Material is ferroaluminium, and with a thickness of 1.0-1.5cm patch, the outside of heating plate is close to inside with insulating layer and is close to heat-conducting layer.
7. a kind of liquefied ammonia tank vehicle according to claim 6 is filled with conveying pipe device, which is characterized in that the heating plate
In a ring, the resistive heater spiral winding has the spiral for resistive heater inlay card on hot plate and in heating plate
Shape wire casing.
8. a kind of liquefied ammonia tank vehicle according to claim 7 is filled with conveying pipe device, which is characterized in that the heating plate
It is inside provided with bottoming hole, resistive heater is located in bottoming hole.
9. a kind of liquefied ammonia tank vehicle according to claim 8 is filled with conveying pipe device, which is characterized in that the heating plate
Length 10cm is equipped with rubber buffer ring between adjacent heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514716.8A CN109578807A (en) | 2018-12-12 | 2018-12-12 | A kind of liquefied ammonia tank vehicle, which fills, uses conveying pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514716.8A CN109578807A (en) | 2018-12-12 | 2018-12-12 | A kind of liquefied ammonia tank vehicle, which fills, uses conveying pipe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578807A true CN109578807A (en) | 2019-04-05 |
Family
ID=65929201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811514716.8A Pending CN109578807A (en) | 2018-12-12 | 2018-12-12 | A kind of liquefied ammonia tank vehicle, which fills, uses conveying pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578807A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4105531A1 (en) * | 2021-06-18 | 2022-12-21 | Tetra Laval Holdings & Finance S.A. | Hose for a molding apparatus, molding apparatus having a hose and packaging machine having a molding apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228967A (en) * | 2010-09-16 | 2013-07-31 | 菲斯克系统美国有限公司 | Liquid container with tap and connector with check -alve |
| CN203347895U (en) * | 2013-06-25 | 2013-12-18 | 南京奥联汽车电子电器股份有限公司 | Electric heating pipeline with power self-adjustment function |
| CN104075043A (en) * | 2014-07-17 | 2014-10-01 | 张威 | Cold-resistant heat preservation conveying pipe |
| CN206458947U (en) * | 2016-12-22 | 2017-09-01 | 苏州工业园区清源华衍水务有限公司 | A kind of particle precipitation at low temperature plumbing installation |
| CN107246526A (en) * | 2017-07-21 | 2017-10-13 | 四川达灿石油设备有限公司 | The attachment structure that can prevent petroleum pipeline from condensing |
-
2018
- 2018-12-12 CN CN201811514716.8A patent/CN109578807A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228967A (en) * | 2010-09-16 | 2013-07-31 | 菲斯克系统美国有限公司 | Liquid container with tap and connector with check -alve |
| CN203347895U (en) * | 2013-06-25 | 2013-12-18 | 南京奥联汽车电子电器股份有限公司 | Electric heating pipeline with power self-adjustment function |
| CN104075043A (en) * | 2014-07-17 | 2014-10-01 | 张威 | Cold-resistant heat preservation conveying pipe |
| CN206458947U (en) * | 2016-12-22 | 2017-09-01 | 苏州工业园区清源华衍水务有限公司 | A kind of particle precipitation at low temperature plumbing installation |
| CN107246526A (en) * | 2017-07-21 | 2017-10-13 | 四川达灿石油设备有限公司 | The attachment structure that can prevent petroleum pipeline from condensing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4105531A1 (en) * | 2021-06-18 | 2022-12-21 | Tetra Laval Holdings & Finance S.A. | Hose for a molding apparatus, molding apparatus having a hose and packaging machine having a molding apparatus |
| WO2022263520A1 (en) * | 2021-06-18 | 2022-12-22 | Tetra Laval Holdings & Finance S.A. | Hose for a molding apparatus, molding apparatus having a hose and packaging machine having a molding apparatus |
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| 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: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |