CN208439625U - A kind of vacuum-resistant liner PTFE container - Google Patents
A kind of vacuum-resistant liner PTFE container Download PDFInfo
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- CN208439625U CN208439625U CN201821074514.1U CN201821074514U CN208439625U CN 208439625 U CN208439625 U CN 208439625U CN 201821074514 U CN201821074514 U CN 201821074514U CN 208439625 U CN208439625 U CN 208439625U
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Abstract
The utility model discloses a kind of vacuum-resistant liner PTFE containers, belong to liner PTFE container technical field, including container steel part, one layer of PTFE is equipped in container steel part, porous plate is equipped between container steel part and PTFE, container steel part is equipped with several Vacuum Balance mouths, container steel part is connected with temporary vacuum pipe group by Vacuum Balance mouth, vacuum pump is connected in temporary vacuum pipe group, after container steel part completes vacuum drawn and electric spark detection qualification, remove temporary vacuum pipe group, container steel part is connected with balance tube assembly by Vacuum Balance mouth, balance includes Fluorine-lined check valve and Fluorine-lined pipe fitting in tube assembly.The utility model structure is simple, easy for construction, does not need to reduce workload in many apertures of the pre- subdrilling of external container, reduces the intensity effect of pressure on container steel part, can also prevent part from generating bulge, while can also use safely under high vacuum operating condition.
Description
Technical field
The utility model relates to a kind of liner PTFE containers to belong to more particularly to a kind of vacuum-resistant liner PTFE container
Liner PTFE container technical field.
Background technique
At present on the market there are two types of the modes of more current container inside lining PTFE.One of which is living with single side sodium
The tetrafluoro plate for changing or carrying on the back multiple glass fibre is directly attached to the container pre-processed with adhesive and waits for liner portion, then cuts out again
It is handled again with the mode that PFA welding rod carries out butt welding welding after falling extra part；One is first make of lap-welded mode
After good tetrafluoro liner again surface sodium coat place into after adhesive the mode of shaping increasing temperature and pressure in container steel part by PTFE with
Container steel part is bonded together.Both the above mode uses very extensive in chemical industry.
The defect and deficiency of the prior art:
In order to keep the comparison that can be bonded inside tetrafluoro plate and container steel part close and exclude the needs of the air of interlayer
In many apertures of the pre- subdrilling of external container.If the excessive one side larger workload of hole drill, the intensity of container steel part is in addition influenced
Especially pressure vessel；If the quantity of hole drill is very few, the air in interlayer cannot effectively exclude be locally easy to produce or it is big or
Small bulge.
It is unsuitable under vacuum conditions, being particularly unsuited for using under high vacuum state.
Utility model content
The main purpose of the utility model is to provide for a kind of vacuum-resistant liner PTFE container, does not need in external container
The pre- many apertures of subdrilling reduce workload, reduce the intensity effect to container steel part, can also prevent part from generating bulge, simultaneously
It can also be used safely under high vacuum operating condition.
The purpose of this utility model can reach by using following technical solution:
A kind of vacuum-resistant liner PTFE container, including container steel part, the container steel part is interior to be equipped with one layer of PTFE, the appearance
Porous plate is equipped between device steel part and the PTFE, the container steel part is equipped with several Vacuum Balance mouths, the container steel
Part is connected with temporary vacuum pipe group by the Vacuum Balance mouth, and vacuum pump, the appearance are connected in the temporary vacuum pipe group
After device steel part completes vacuum drawn and electric spark detection qualification, the temporary vacuum pipe group is removed, the container steel part passes through
The Vacuum Balance mouth is connected with balance tube assembly, includes Fluorine-lined check valve and Fluorine-lined pipe fitting in the balance tube assembly.
Preferably, the Vacuum Balance mouth is no more than 4 according to container size quantification and specification, quantity, and specification is not
More than DN32.
Preferably, the porous plate passes through spot welding or interruption when manufacturing and designing the container steel part inside container in advance
The mode of weldering is compounded in lining face.
Preferably, the porous plate is one layer of carbon steel or stainless steel Multi-hole steel expanded metals, and steel plate thickness of net is in 2mm-3mm, steel
Expanded metals aperture is less than or equal to 50mm in 2mm-4mm, pitch of holes.
Preferably, after the container steel part completes, to the polishing of shirt portion position, sand blasted surface processing.
Preferably, the Fluorine-lined pipe fitting has several, and the Fluorine-lined pipe fitting is interior Fluorine-lined tubes of material part, the balance pipe group
Part contains at least one Fluorine-lined check valve.
The advantageous effects of the utility model:
1. porous plate provided by the invention is the universal product on the market, it is easy to purchase, is carrying out to get up to be easier；
2. generated gap is exactly exhaust gas inside in process between porous plate and container steel part in the present invention
Channel, and the small hole number on porous plate is relatively more, is easy to exclude the air in adhesive completely during lining construction,
Gas especially can more be excluded to by the way of vacuumizing during pasting board completely, solve the problems, such as the bulge of liner part.
3. the pressure-equalizing line inside the interlayer and container with check-valves configured after the completion of lining in the present invention, makes
A kind of equilibrium state is in inside container always between interlayer, even ensure that lining can also make safely under high vacuum operating condition
With.
Detailed description of the invention
Fig. 1 is to open according to one kind of the porous plate of a preferred embodiment of the vacuum-resistant liner PTFE container of the utility model
Mouth mode；
Fig. 2 is the another kind according to the porous plate of a preferred embodiment of the vacuum-resistant liner PTFE container of the utility model
Opening mode；
Fig. 3 is the porous plate and container steel according to a preferred embodiment of the vacuum-resistant liner PTFE container of the utility model
The compound schematic diagram of part；
Fig. 4 is the vacuum-resistant Fluorine-lined container according to a preferred embodiment of the vacuum-resistant liner PTFE container of the utility model
Fluorine-lined operation schematic diagram；
Fig. 5 is the vacuum-resistant Fluorine-lined container according to a preferred embodiment of the vacuum-resistant liner PTFE container of the utility model
General assembly schematic diagram；
Fig. 6 is a according to a preferred embodiment of the vacuum-resistant liner PTFE container of Fig. 3 or Fig. 4 of the utility model
Portion's partial enlarged view；
Fig. 7 is the b according to a preferred embodiment of the vacuum-resistant liner PTFE container of Fig. 3 or Fig. 4 of the utility model
Portion's partial enlarged view.
In figure: 1- container steel part, 2- porous plate, 3-PTFE, 4- Fluorine-lined check valve, 5- Fluorine-lined pipe fitting, 6- temporary vacuum pipe
Group, 7- Vacuum Balance mouth, 8- balance tube assembly.
Specific embodiment
To make the more clear and clear the technical solution of the utility model of those skilled in the art, below with reference to embodiment and
Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.
As shown in Fig. 1-Fig. 7, vacuum-resistant liner PTFE container provided in this embodiment, including container steel part 1, container steel part
It is equipped with one layer of PTFE3 in 1, porous plate 2 is equipped between container steel part 1 and PTFE3, container steel part 1 is flat equipped with several vacuum
Weigh mouth 7, and container steel part 1 is connected with temporary vacuum pipe group 6 by Vacuum Balance mouth 7, is connected with vacuum in temporary vacuum pipe group 6
Pump removes temporary vacuum pipe group 6, container steel part 1 passes through after container steel part 1 completes vacuum drawn and electric spark detection qualification
Vacuum Balance mouth 7 is connected with balance tube assembly 8, and balancing includes Fluorine-lined check valve 4 and Fluorine-lined pipe fitting 5 in tube assembly 8.
In the present embodiment, as shown in Figure 4 and Figure 5, Vacuum Balance mouth 7 is according to container size quantification and specification, and one
As be no more than 4, specification be no more than DN32.
In the present embodiment, as shown in Figure 1-Figure 3, porous plate 2 is when manufacturing and designing container steel part 1 in advance inside container
It is compounded in by way of spot welding or intermittent weld to lining face, porous plate 2 is one layer of carbon steel or stainless steel Multi-hole steel expanded metals, steel plate
Thickness of net is less than or equal to 50mm in 2mm-4mm, pitch of holes p in 2mm-3mm, steel plate screen distance, and the opening mode of porous plate is such as
It is arranged shown in Fig. 1 using positive direction, the spacing in two neighboring hole is p, or opening mode is arranged using diamond shape direction as shown in Figure 2
Column, the spacing in two neighboring hole are p.
In the present embodiment, as shown in figure 4, after container steel part 1 completes, to the polishing of shirt portion position, sand blasted surface processing,
Lining construction is carried out after processing, it, only need to be by reserved Vacuum Balance mouth and vacuum pump system without in addition boring aperture on the wall
System is connected and is vacuumized.
In the present embodiment, as shown in figure 5, Fluorine-lined pipe fitting 5 has several, Fluorine-lined pipe fitting 5 is interior Fluorine-lined tubes of material part, is put down
Weighing apparatus tube assembly 8 contains at least one Fluorine-lined check valve 4, to the end of PTFE lining, after the detection such as electric spark detection is qualified, in vacuum
Install Fluorine-lined check valve 4 in balance port 7 respectively makes to be connected inside interlayer and container with Fluorine-lined pipe fitting 5, it is therefore an objective in container
Formed negative pressure when interlayer in simultaneously also forms vacuum, backing layer (PTFE) is in a positive/negative-pressure equilibrium state, also it is avoided that
Negative pressure condition lower liner PTFE is destroyed by negative pressure the case where, the effect of Fluorine-lined check valve 4 is the corruption avoided in container
Corrosion gas pours into the possibility of interlayer.
As shown in Fig. 1-Fig. 7, in the manufacture craft of vacuum-resistant liner PTFE container provided in this embodiment, including walk as follows
It is rapid:
Step 1: first being required to manufacture and design container steel part 1 according to user, and pre- according to container shapes size in suitable position
Vacuum Balance mouth 7 is stayed, quantity is no more than 4, and the specification of Vacuum Balance mouth 7 is not more than DN32；
Step 2: preparing the porous plate 2 of punching, porous plate 2 is carbon steel or stainless steel Multi-hole steel expanded metals, steel plate thickness of net
In 2mm-3mm, hole internal diameter is less than or equal to 50mm in 2mm-4mm, pitch of holes P；
Step 3: according to the geomery of the container steel part 1 manufactured, by 2 blanking of porous plate, technique nozzle and/or manhole
2 position of porous plate at position will open the hole of dimension, the 7 position not aperture of Vacuum Balance mouth, then successively by each block of porous plate
It is attached on container inner wall, porous plate need to be pressed into arc along radian position at cambered position, closed every 2-4 hole selection
Suitable wlding carries out spot welding, is compressed when spot welding between 1 inside of porous plate 2 and container steel part, 2 edge of porous plate is using intermittent weld
Mode is connect with 1 inner wall of container steel part；
Step 4: by the polishing sandblasting of container steel part 1 for posting porous plate 2 of the above manufacture completion and cleaning out, true
Temporary vacuum pipe group 6 is connected in empty balance port 7, while being connected with vacuum pump, then liner PTFE3, and side during fitting
Part pushes heating, while the mode vacuumized, makes to fit closely together between PTFE3 and porous plate 2；
Step 5:, will be temporarily true after the container steel part 1 that the above liner PTFE3 terminates is by pressure testing, electric spark detection
Blank pipe group is removed, and balance tube assembly 8 is assembled after oil paint coating, wherein balance tube assembly 8 is interior Fluorine-lined tubes of material part,
Middle balance tube assembly contains at least one Fluorine-lined check valve 4.
In the present embodiment, as shown in Figure 1-Figure 3, in step 2 and step 3, each block of porous plate is successively attached to container
On inner wall, to be compressed between 1 inside of porous plate 2 and container steel part when 2-4 hole progress spot welding, spot welding, 2 edge of porous plate is adopted
It is connect with the mode of intermittent weld with 1 inner wall of container steel part, the pitch of holes p of porous plate 2 is less than or equal to 50mm, and porous plate 2 is opened
Mouth mode uses positive direction to arrange as shown in Figure 1, and the spacing in two neighboring hole is p, or opening mode uses water chestnut as shown in Figure 2
The arrangement of shape direction, the spacing in two neighboring hole are p.
In the present embodiment, as shown in figure 4, in step 4, temporary vacuum pipe group 6 is connected on Vacuum Balance mouth 7, temporarily
Be connected with vacuum pump in vacuum tube group 6, when liner PTFE3, on one side push heating, vacuumize on one side, reach PTFE3 with
The purpose fitted closely between porous plate 2.
In the present embodiment, as shown in figure 5, in step 5, liner PTFE3 terminates, and to examine by pressure test and electric spark
Survey etc., after indices qualification, temporary vacuum pipe group is removed, then the connection balance tube assembly 8 on Vacuum Balance mouth 7,
Wherein balance tube assembly 8 is interior Fluorine-lined tubes of material part, wherein balance tube assembly contains at least one Fluorine-lined check valve 4, Fluorine-lined list
Make to be connected inside interlayer and container with Fluorine-lined pipe fitting 5 to valve 4, it is therefore an objective to also be formed simultaneously in interlayer when forming negative pressure in container
Vacuum, backing layer (PTFE) are in a positive/negative-pressure equilibrium state, also avoid to be born in negative pressure condition lower liner PTFE
It crushes bad situation to occur, the effect of Fluorine-lined check valve 4 is the possibility for avoiding the corrosive gas in container from pouring into interlayer.
In conclusion in the present embodiment, it is provided in this embodiment according to the vacuum-resistant liner PTFE container of the present embodiment
Vacuum-resistant liner PTFE container, porous plate is the universal product on the market, is easy to purchase, and is carrying out to get up to be easier, porous
Between plate and container steel part in process caused by gap be exactly exhaust gas inside channel, and the small hole count on porous plate
Amount is relatively more, is easy to exclude the air in adhesive during lining construction completely, especially to use during pasting board
The mode vacuumized can more exclude gas completely, and not need to need to reduce work in many apertures of the pre- subdrilling of external container
It measures, also reduces the intensity effect of pressure on container steel part, while also can effectively exclude in the bulge locally generated, and serving as a contrast
In after the completion of pressure-equalizing line inside the interlayer and container with check-valves that configure, make to locate always between interlayer inside container
In a kind of equilibrium state, even ensure that lining can also be used safely under high vacuum operating condition.
The above, only the utility model further embodiment, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art is according to the present utility model in range disclosed in the utility model
Technical solution and its design are subject to equivalent substitution or change, belong to the protection scope of the utility model.
Claims (6)
1. a kind of vacuum-resistant liner PTFE container, including container steel part (1), it is characterised in that: be equipped in the container steel part (1)
One layer of PTFE (3) is equipped with porous plate (2) between the container steel part (1) and the PTFE (3), sets on the container steel part (1)
There are several Vacuum Balance mouths (7), the container steel part (1) is connected with temporary vacuum pipe group by the Vacuum Balance mouth (7)
(6), vacuum pump is connected on the temporary vacuum pipe group (6), the container steel part (1) completes vacuum drawn and electric spark inspection
After surveying qualification, the temporary vacuum pipe group (6) is removed, the container steel part (1) is connected with flat by the Vacuum Balance mouth (7)
It weighs tube assembly (8), the balance tube assembly (8) includes Fluorine-lined check valve (4) and Fluorine-lined pipe fitting (5).
2. a kind of vacuum-resistant liner PTFE container according to claim 1, it is characterised in that: the Vacuum Balance mouth (7)
According to container size quantification and specification, quantity is no more than 4, and specification is no more than DN32.
3. a kind of vacuum-resistant liner PTFE container according to claim 1, it is characterised in that: the porous plate (2) is setting
Meter is compounded in by way of spot welding or intermittent weld to lining face inside container in advance when manufacturing container steel part (1).
4. a kind of vacuum-resistant liner PTFE container according to claim 1, it is characterised in that: the porous plate (2) is carbon
Steel or stainless steel Multi-hole steel expanded metals, steel plate thickness of net are less than or equal in 2mm-3mm, steel plate screen distance in 2mm-4mm, pitch of holes
50mm。
5. a kind of vacuum-resistant liner PTFE container according to claim 1, it is characterised in that: container steel part (1) system
After the completion of work, treat shirt portion position polished, sand blasted surface processing.
6. a kind of vacuum-resistant liner PTFE container according to claim 1, it is characterised in that: the Fluorine-lined pipe fitting (5) has
Several, the Fluorine-lined pipe fitting (5) is interior Fluorine-lined tubes of material part, and it is unidirectional that the balance tube assembly (8) contains at least one Fluorine-lined
Valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074514.1U CN208439625U (en) | 2018-07-09 | 2018-07-09 | A kind of vacuum-resistant liner PTFE container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074514.1U CN208439625U (en) | 2018-07-09 | 2018-07-09 | A kind of vacuum-resistant liner PTFE container |
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| Publication Number | Publication Date |
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| CN208439625U true CN208439625U (en) | 2019-01-29 |
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| CN201821074514.1U Active CN208439625U (en) | 2018-07-09 | 2018-07-09 | A kind of vacuum-resistant liner PTFE container |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229777A (en) * | 2018-07-09 | 2019-01-18 | 南京氟源化工管道设备有限公司 | A kind of vacuum-resistant liner PTFE container and its manufacture craft |
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2018
- 2018-07-09 CN CN201821074514.1U patent/CN208439625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229777A (en) * | 2018-07-09 | 2019-01-18 | 南京氟源化工管道设备有限公司 | A kind of vacuum-resistant liner PTFE container and its manufacture craft |
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