CN114433681A - Pipeline filling equipment of sodium thiosulfate - Google Patents
Pipeline filling equipment of sodium thiosulfate Download PDFInfo
- Publication number
- CN114433681A CN114433681A CN202210034578.3A CN202210034578A CN114433681A CN 114433681 A CN114433681 A CN 114433681A CN 202210034578 A CN202210034578 A CN 202210034578A CN 114433681 A CN114433681 A CN 114433681A
- Authority
- CN
- China
- Prior art keywords
- sodium thiosulfate
- pipeline
- hose
- filling
- hot water
- 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.)
- Granted
Links
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 title claims abstract description 84
- 235000019345 sodium thiosulphate Nutrition 0.000 title claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 208000019462 Occupational injury Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
Abstract
The invention discloses a pipeline filling device of sodium thiosulfate, which comprises a heating device, a filling device, a heat preservation device and a recovery device; the heating device is used for heating the solid sodium thiosulfate to form liquid sodium thiosulfate; the filling device is connected with the heating device and is used for filling the liquid sodium thiosulfate formed by the heating device into a pipeline to be filled; the heat preservation device is used for accommodating and preserving heat of the pipeline to be filled and preventing the liquid sodium thiosulfate in the pipeline to be filled from solidifying; the recovery device is used for recovering the redundant sodium thiosulfate in the filling device to the heating device. The pipeline filling equipment can realize simultaneous filling of a plurality of pipelines with sodium thiosulfate and has the advantages of simple structure, high efficiency and simple and convenient operation.
Description
Technical Field
The invention relates to the technical field of engine pipeline manufacturing, in particular to a pipeline filling device for sodium thiosulfate.
Background
The external pipeline structure in the engine is one of key parts of the engine, the bending and welding quality of the pipeline directly influence the working performance of the engine, the pipeline is complex and changeable in shape and mostly has a three-dimensional space structure, butt welding, plug welding and the like are adopted between the pipelines, the requirement on the dimensional accuracy after the pipeline is bent is high, certain roundness requirement is met, and the ovality of the pipe is not more than 10% of the wall thickness of the pipe generally. If the wall thicknesses of the bent pipes are different, the strength of the bent pipes and the quality grade of the butt welding seam are influenced; if the spatial shape and size precision of the bent pipe is not accurate, the pipeline is easy to interfere in the assembling and welding process. In the manufacturing and production of engine pipelines, complex metal pipelines are usually bent, the diameter of a bent pipe is 10-20 mm, the wall thickness is 1-1.5 mm, and the phenomena of inner side wrinkling, out-of-roundness and the like easily occur in the bending process of a stainless steel conduit due to insufficient strength of the stainless steel conduit, so that the performance index of an engine is seriously influenced. Even if numerical control pipe bending equipment is adopted for bending, bending structures in some spaces cannot be finished in a mode of inserting a mandrel, and a mode of filling tin, lead or sand is adopted in a pipeline in the early stage, but tin filling is not clean, part of remains can be left in the pipeline to generate redundancy, and hidden danger is brought to the stabilization treatment of the subsequent pipeline; if lead pouring happens, occupational injury is caused to operators; if sand is filled, the sand is not easy to fill, the self strength of the pipeline is not enough, and the ovality is increased and does not meet the requirement when the pipeline is bent. The test adopts sodium thiosulfate as the pipeline filler, and the sodium thiosulfate is low in price, low in melting point, easy to recover, harmless to human bodies and environment-friendly. The cured sodium thiosulfate can effectively improve the strength of the pipeline, avoid wrinkling in the bending process and ensure that the roundness of the bending part meets the design requirement.
In the early stage, a single pipeline is bent, so that the bottom of the pipeline is packaged, the bottom is blocked during filling, filling is not carried out or sprayed out, and the product quality is not affected; the blowout easily scalds operating personnel etc. if crooked pipeline in batches, the production cycle is long and there is certain potential safety hazard, consequently, urgently need provide a filling device and solve above-mentioned technical problem.
Disclosure of Invention
In view of this, the present invention provides a sodium thiosulfate pipeline filling apparatus, which can fill a plurality of pipelines with sodium thiosulfate simultaneously, and has the advantages of simple structure, high efficiency, and simple and convenient operation.
The invention adopts the following specific technical scheme:
a pipeline filling device of sodium thiosulfate comprises a heating device, a filling device, a heat preservation device and a recovery device;
the heating device is used for heating solid sodium thiosulfate to form liquid sodium thiosulfate;
the filling device is connected with the heating device and is used for filling the liquid sodium thiosulfate formed by the heating device into a pipeline to be filled;
the heat preservation device is used for accommodating and preserving heat of the pipeline to be filled and preventing the liquid sodium thiosulfate in the pipeline to be filled from solidifying;
the recovery device is used for recovering the redundant sodium thiosulfate in the filling device to the heating device.
Furthermore, the heating device comprises a bracket, a heating furnace, a container, a sealing cover and a control valve;
the container is arranged at the top of the heating furnace and is used for containing solid sodium thiosulfate particles;
the cover is covered on the opening at the top of the container;
the heating furnace is arranged at the top of the bracket and used for heating to melt the solid sodium thiosulfate particles in the container to form liquid sodium thiosulfate;
the control valve is arranged at the bottom of the container and used for controlling the outflow of the liquid sodium thiosulfate.
Furthermore, the heating furnace is an induction cooker;
the control valve is a faucet.
Furthermore, the filling device comprises a first hose, a first funnel, a second hose and a third hose;
one end of the first hose is clamped at the outlet of the control valve through a first clamp and keeps a sealing state;
the other end of the first hose is connected with the large end of the first funnel, and the small end of the first funnel is connected with the inlet of the pipeline to be filled through the second hose and the second hoop and keeps a sealed state;
and the third hose is connected with an outlet of the pipeline to be filled.
Furthermore, the heat preservation device comprises a hot water tank, a fixing plate and a trolley;
the hot water tank is provided with a tank cover, is fixedly arranged on the trolley and is used for accommodating a heat preservation medium;
the fixing plate is fixedly installed in the hot water tank and used for fixedly installing the second hose and the third hose in the hot water tank.
Furthermore, the filling device also comprises a plurality of U-shaped pipe joints fixedly arranged at the bottom in the hot water tank;
the U-shaped pipe joint is connected between two adjacent pipelines to be filled and used for connecting a plurality of pipelines to be filled in series.
Further, the fixing plate is fixedly installed at both side plates of the hot water tank by bolts, nuts, and washers.
Still further, the recovery device includes a second funnel that cooperates with the top opening of the container.
Furthermore, heat insulation materials are arranged on the peripheral side walls of the hot water tank;
and a switch valve for discharging the heat preservation medium is arranged at the bottom of the hot water tank.
Further, the thermal insulation material is foam plastic.
Has the advantages that:
the pipeline filling equipment is used for filling sodium thiosulfate into a pipeline to be bent, the sodium thiosulfate has the characteristics of low price, low melting point, easiness in recovery and environmental friendliness, and the sodium thiosulfate is used for replacing materials such as tin, lead or sand filled into a pipe in the prior art, so that the pipeline strength can be effectively improved, and the wrinkling phenomenon in the bending process is avoided; the pipeline filling equipment comprises a heating device for changing the sodium thiosulfate into a liquid state from a solid state, a filling device for filling the liquid sodium thiosulfate into a pipe, a heat preservation device for preserving heat of a filled pipeline and the sodium thiosulfate and preventing the sodium thiosulfate from solidifying, and a recovery device for recovering redundant liquid sodium thiosulfate.
Drawings
FIG. 1 is a schematic structural view of a pipeline filling apparatus according to the present invention;
FIG. 2 is a top view of the hot water tank portion of FIG. 1;
fig. 3 is a schematic view of a second hopper operating state of a recovery device in the pipeline filling equipment;
FIG. 4 is a schematic structural view of the hot water tank of FIG. 1;
fig. 5 is a sectional view of the hot water tank of fig. 4 taken along a-a.
Wherein, 1-support, 2-heating furnace, 3-container, 4-sealing cover, 5-first clamp, 6-first hose, 7-first funnel, 8-second hose, 9-second clamp, 10-hot water tank, 11-trolley, 12-third hose, 13-fixing plate, 14-bolt, 15-nut, 16-gasket, 17-control valve, 18-second funnel, 19-groove cover, 20-thermal insulation material, 21-switch valve, 22-pipeline to be filled, 23-U-shaped pipe joint
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment of the invention provides a pipeline filling device for sodium thiosulfate, which is used for filling the sodium thiosulfate into a pipeline, and filling the sodium thiosulfate into the pipeline to be bent, wherein the sodium thiosulfate is adopted to replace tin, lead or sand and other materials filled into a pipe in the prior art, so that the problems that partial remains are left in the pipeline due to incomplete tinning in the conventional pipeline and generate redundant substances and hidden dangers are brought to the stabilization treatment of the subsequent pipeline are solved, the problem that the lead filling in the conventional pipeline causes occupational injury to operators is solved, and meanwhile, the problems that the pipeline is not strong enough due to the fact that the sand filling in the conventional pipeline is not easy to be performed, and the ovality is increased and does not meet the requirement when the pipeline is bent are solved; the sodium thiosulfate is filled in the pipeline, the solid sodium thiosulfate is converted into liquid by heating during filling, the liquid sodium thiosulfate is cooled and converted into solid after being filled into the pipeline, the sodium thiosulfate is adopted as a pipeline filler through tests, the sodium thiosulfate is relatively low in price, low in melting point, easy to recover, harmless to human bodies and environment-friendly, the solidified sodium thiosulfate can effectively improve the strength of the pipeline, the wrinkling phenomenon in the bending process is avoided, and meanwhile, the roundness of the bent part of the pipeline is guaranteed to meet the design requirement.
As shown in the structure of fig. 1, the pipeline filling device of the present embodiment includes a heating device, a filling device, a heat preservation device, and a recovery device;
the heating device is used for heating the solid sodium thiosulfate to form liquid sodium thiosulfate; as shown in the structure of fig. 1, the heating device may include a support 1, a heating furnace 2, a container 3, a cover 4 and a control valve 17; the container 3 is arranged at the top of the heating furnace 2 and is used for containing solid sodium thiosulfate particles, and the container can be a circular cylinder; the cover 4 covers the opening at the top of the container 3; the heating furnace 2 is arranged at the top of the bracket 1 and is used for heating to melt the solid sodium thiosulfate particles in the container 3 to form liquid sodium thiosulfate; the heating furnace 2 is an induction cooker; the control valve 17 is arranged at the bottom of the container 3 and used for controlling the outflow of the liquid sodium thiosulfate, and when the pipeline needs to be filled, the control valve 17 is opened to enable the liquid sodium thiosulfate in the container 3 to flow out; when the filling is stopped, the control valve 17 is closed to prevent the sodium thiosulfate in the container 3 from flowing out of the container 3; the control valve 17 is a tap; the height of the container 3 can be increased through the bracket 1, so that the liquid sodium thiosulfate can flow downwards under the action of gravity, and can smoothly enter a pipeline to be filled;
the filling device is connected with the heating device and is used for filling the liquid sodium thiosulfate formed by the heating device into the pipeline 22 to be filled; as shown in the structure of fig. 1, the filling device comprises a first hose 6, a first hopper 7, a second hose 8 and a third hose 12; one end of the first hose 6 is clamped on the outlet of the control valve 17 through the first clamp 5 and keeps a sealing state; the other end of the first hose 6 is connected with the large end of the first funnel 7, and the small end of the first funnel 7 is connected with the inlet of the pipeline 22 to be filled through the second hose 8 and the second clamp 9 and keeps a sealing state; the third hose 12 is connected with an outlet of a pipeline 22 to be filled, and the third hose 12 and the pipeline can be clamped through a hoop so as to keep the sealing state between the third hose 12 and the pipeline; liquid sodium thiosulfate in the container 3 is introduced into a pipeline to be filled through a first hose 6, a first funnel 7 and a second hose 8 which are connected in sequence; the third hose 12 connected to the outlet of the pipeline 22 to be filled can exhaust the gas in the pipeline to be filled, and the filling amount of the sodium thiosulfate can be observed through the third hose 12, so that when the liquid sodium thiosulfate flows out of the third hose 12, the pipeline can be judged to be full; as shown in fig. 1, the first hopper 7 and the second hose 8 are both lower in height than the bottom end of the container 3;
the heat preservation device is used for accommodating the pipeline 22 to be filled and preserving heat of the pipeline 22 to be filled so as to prevent the liquid sodium thiosulfate in the pipeline 22 to be filled from solidifying; as shown in the structure of fig. 1, 2, 4 and 5, the thermal insulation device comprises a hot water tank 10, a fixing plate 13 and a trolley 11; the hot water tank 10 is provided with a tank cover 19 and is fixedly arranged on the trolley 11 for accommodating a heat preservation medium; the hot water tank 10 can be fixed on the trolley 11 by intermittent welding, and the hot water tank 10 can be prevented from sliding off in the transfer process by welding, so that the working safety can be improved; the fixed plate 13 is fixedly arranged in the hot water tank 10 and is used for fixedly arranging the second hose 8 and the third hose 12 in the hot water tank 10; the fixing plate 13 may be fixedly installed at both side plates of the hot water tank 10 by bolts 14, nuts 15, and washers 16; the pipeline to be filled is fixed through the hot water tank 10, and the filled pipeline is insulated through the heat insulation medium in the hot water tank 10, so that the liquid sodium thiosulfate keeps a flowing state in the filling process, and the filling quality and efficiency are improved; the heat preservation medium can be any heatable liquid medium such as hot water, hot oil and the like, and the pipeline is heated by the hot liquid such as the hot water, the hot oil and the like, so that the sodium thiosulfate in the pipeline is prevented from being solidified; the hot water tanks 10 can be conveniently moved by the trolley 11, and the hot water tanks 10 can be conveniently replaced, so that the pipelines in other hot water tanks 10 can be continuously filled after the pipeline in one hot water tank 10 is filled;
the recovery device is used for recovering the redundant sodium thiosulfate in the filling device to the heating device; the recovery device comprises a second funnel 18 matched with the top opening of the container 3, the second funnel 18 can be placed between the container 3 and the sealing cover 4, and the second funnel 18 can also be placed on the top opening of the container 3 when the thiosulfuric acid is recovered; when the recovery apparatus is used to recover excess sodium thiosulfate, as shown in the structure of fig. 3, a second funnel 18 can be placed on the top of the container 3, and a third hose 12 containing liquid sodium thiosulfate, a second hose 8, a first hose 6 and a first funnel 7 can be placed in the second funnel 18, so that the liquid sodium thiosulfate flows into the container 3; the recovery device can also be connected between the filling device and the heating device, and the other end of the third hose 12 is connected with the joint arranged on the second funnel 18, so that the redundant liquid sodium thiosulfate in the filling process flows into the container 3 through the third hose 12 and the joint on the second funnel 18, and the recovery and the reutilization of the sodium thiosulfate are realized.
Above-mentioned pipeline filling equipment is arranged in to waiting to bend the pipeline filling sodium thiosulfate, including being used for becoming liquid heating device with the sodium thiosulfate from solid-state, pour into the filling device in the pipe with liquid sodium thiosulfate, keep warm the heat preservation device that prevents the solidification of sodium thiosulfate and the recovery unit who is used for retrieving unnecessary liquid sodium thiosulfate to the pipeline of filling and sodium thiosulfate, adopt above-mentioned equipment to make the automatic pipeline that flows in the position lower of liquid sodium thiosulfate through gravity, the filling of sodium thiosulfate in the pipeline has been realized, and can realize the filling simultaneously of a plurality of pipelines, this pipeline filling equipment has simple structure simultaneously, high efficiency, easy operation convenient advantage.
Specifically, the filling device further comprises a plurality of U-shaped pipe joints 23 fixedly arranged at the bottom in the hot water tank 10; a U-shaped pipe joint 23 is connected between two adjacent pipelines 22 to be filled for connecting a plurality of pipelines 22 to be filled in series. As shown in the structure of figure 2, a plurality of U-shaped pipe joints 23 are fixedly mounted at the bottom in the hot water tank 10, the number of the U-shaped pipe joints 23 in the hot water tank 10 can be set according to the diameter and the length of the pipeline, a plurality of pipelines can be connected between the U-shaped pipe joints 23 which are oppositely arranged, and the plurality of pipelines can be communicated in series through the plurality of U-shaped pipe joints 23, so that the filling of the plurality of pipelines can be realized at one time, the filling efficiency is improved, and whether the pipelines are filled fully or not can be checked conveniently.
Furthermore, the side walls of the periphery of the hot water tank 10 are provided with heat insulation materials 20; the insulating material 20 may be a foam; the bottom of the hot water tank 10 is provided with a switch valve 21 for discharging the heat preservation medium. Through the insulation material 20 and the capping 19 that set up around hot-water tank 10, can carry out adiabatic to the heat preservation medium in the hot-water tank 10, prevent that the heat loss of heat preservation medium such as hot water from too fast. After filling, the on-off valve 21 at the bottom of the hot water tank 10 can be opened to discharge hot water in the hot water tank 10; the pipeline and the pipeline filling equipment can also be kept stand for 2-5 days at normal temperature, so that all the joints can be loosened and the pipeline can be taken down after the sodium thiosulfate in the pipeline is completely solidified.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The pipeline filling equipment for the sodium thiosulfate is characterized by comprising a heating device, a filling device, a heat preservation device and a recovery device;
the heating device is used for heating solid sodium thiosulfate to form liquid sodium thiosulfate;
the filling device is connected with the heating device and is used for filling the liquid sodium thiosulfate formed by the heating device into a pipeline to be filled;
the heat preservation device is used for accommodating and preserving heat of the pipeline to be filled and preventing the liquid sodium thiosulfate in the pipeline to be filled from solidifying;
the recovery device is used for recovering the redundant sodium thiosulfate in the filling device to the heating device.
2. The line filling apparatus according to claim 1, wherein the heating means includes a holder, a heating furnace, a container, a cover, and a control valve;
the container is arranged at the top of the heating furnace and is used for containing solid sodium thiosulfate particles;
the cover is covered on the opening at the top of the container;
the heating furnace is arranged at the top of the bracket and is used for heating to melt the solid sodium thiosulfate particles in the container to form liquid sodium thiosulfate;
the control valve is arranged at the bottom of the container and is used for controlling the outflow of the liquid sodium thiosulfate.
3. The line filling apparatus according to claim 2, wherein the heating furnace is an induction cooker;
the control valve is a faucet.
4. The line filling apparatus according to claim 2, wherein the filling device includes a first hose, a first funnel, a second hose, and a third hose;
one end of the first hose is clamped at the outlet of the control valve through a first clamp and keeps a sealing state;
the other end of the first hose is connected with the large end of the first funnel, and the small end of the first funnel is connected with the inlet of the pipeline to be filled through the second hose and the second hoop and keeps a sealed state;
and the third hose is connected with an outlet of the pipeline to be filled.
5. The line filling apparatus according to claim 4, wherein the thermal insulation means comprises a hot water tank, a fixed plate, and a cart;
the hot water tank is provided with a tank cover, is fixedly arranged on the trolley and is used for accommodating a heat preservation medium;
the fixing plate is fixedly installed in the hot water tank and used for fixedly installing the second hose and the third hose in the hot water tank.
6. The line filling apparatus according to claim 5, wherein said filling device further comprises a plurality of U-shaped pipe fittings fixedly installed at a bottom portion of said hot water tank;
the U-shaped pipe joint is connected between two adjacent pipelines to be filled and used for connecting a plurality of pipelines to be filled in series.
7. The line filling apparatus according to claim 5, wherein the fixing plate is fixedly mounted to both side plates of the hot water tank by bolts, nuts, and washers.
8. The line filling apparatus of claim 5, wherein the reclamation device comprises a second funnel that cooperates with the top opening of the container.
9. The line filling apparatus according to claim 5, wherein the hot water tank is provided with a thermal insulation material on the peripheral side wall;
and a switch valve for discharging the heat preservation medium is arranged at the bottom of the hot water tank.
10. The line filling apparatus of claim 9, wherein the insulating material is a foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034578.3A CN114433681B (en) | 2022-01-13 | 2022-01-13 | Pipeline filling equipment of sodium thiosulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034578.3A CN114433681B (en) | 2022-01-13 | 2022-01-13 | Pipeline filling equipment of sodium thiosulfate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114433681A true CN114433681A (en) | 2022-05-06 |
| CN114433681B CN114433681B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210034578.3A Active CN114433681B (en) | 2022-01-13 | 2022-01-13 | Pipeline filling equipment of sodium thiosulfate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114433681B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU656699A1 (en) * | 1976-04-08 | 1979-04-15 | Предприятие П/Я А-3492 | Arrangement for filling tubes with low-melting filler |
| SU1201022A1 (en) * | 1984-04-03 | 1985-12-30 | Предприятие П/Я Ж-1287 | Installation for filling pipes with low-melting filler |
| JPH07171634A (en) * | 1993-07-30 | 1995-07-11 | Honda Motor Co Ltd | Truck for filling filler for bending |
| CN101054506A (en) * | 2007-04-12 | 2007-10-17 | 沈阳华铁异型材有限公司 | Airplane engine fuel oil total pipe bend filling and technique |
| CN102641926A (en) * | 2012-04-17 | 2012-08-22 | 浙江大学宁波理工学院 | Filling and recovering device for low-melting-point alloy |
| CN105327990A (en) * | 2015-11-23 | 2016-02-17 | 宁波思明汽车科技股份有限公司 | Alloy filling device for pipe bending and filling method thereof |
| CN108609912A (en) * | 2018-07-25 | 2018-10-02 | 徐纪昌 | Composite filler for metallic conduit abnormal shape accessories manufacturing |
| CN209222580U (en) * | 2018-12-27 | 2019-08-09 | 湖南谊诚科技有限公司 | A kind of bulking system of sodium pyrosulfite |
-
2022
- 2022-01-13 CN CN202210034578.3A patent/CN114433681B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU656699A1 (en) * | 1976-04-08 | 1979-04-15 | Предприятие П/Я А-3492 | Arrangement for filling tubes with low-melting filler |
| SU1201022A1 (en) * | 1984-04-03 | 1985-12-30 | Предприятие П/Я Ж-1287 | Installation for filling pipes with low-melting filler |
| JPH07171634A (en) * | 1993-07-30 | 1995-07-11 | Honda Motor Co Ltd | Truck for filling filler for bending |
| CN101054506A (en) * | 2007-04-12 | 2007-10-17 | 沈阳华铁异型材有限公司 | Airplane engine fuel oil total pipe bend filling and technique |
| CN102641926A (en) * | 2012-04-17 | 2012-08-22 | 浙江大学宁波理工学院 | Filling and recovering device for low-melting-point alloy |
| CN105327990A (en) * | 2015-11-23 | 2016-02-17 | 宁波思明汽车科技股份有限公司 | Alloy filling device for pipe bending and filling method thereof |
| CN108609912A (en) * | 2018-07-25 | 2018-10-02 | 徐纪昌 | Composite filler for metallic conduit abnormal shape accessories manufacturing |
| CN209222580U (en) * | 2018-12-27 | 2019-08-09 | 湖南谊诚科技有限公司 | A kind of bulking system of sodium pyrosulfite |
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| Publication number | Publication date |
|---|---|
| CN114433681B (en) | 2024-04-09 |
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