CN208377548U - A kind of dedicated storage tank of high-purity chemicals - Google Patents
A kind of dedicated storage tank of high-purity chemicals Download PDFInfo
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- CN208377548U CN208377548U CN201820627213.0U CN201820627213U CN208377548U CN 208377548 U CN208377548 U CN 208377548U CN 201820627213 U CN201820627213 U CN 201820627213U CN 208377548 U CN208377548 U CN 208377548U
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- metal
- tank body
- polytetrafluoroethyllining lining
- storage tank
- lining plate
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Abstract
The utility model discloses a kind of dedicated storage tanks of high-purity chemicals, including tank body, Weighing module, temperature sensor, tank body is metal can, metal can inner wall is provided with grid groove, the groove of mutual connection is provided through the gas vent of tank body at the top of metal can, polytetrafluoroethyllining lining plate is cased in metal can, shell is provided with outside tank body, the inner surface of metal can and the outer surface of polytetrafluoroethyllining lining plate are rough surface, metal can inner surface and polytetrafluoroethyllining lining plate outer surface are bonded by adhesive, tank body lower end is provided with several supporting legs, supporting leg is installed on Weighing module, temperature sensor is set in metal can top inner wall.The present apparatus efficiently solves the problems, such as to bond between metal can and polytetrafluoroethyllining lining plate insecure, ensure that the being absolutely sealed property of polytetrafluoroethyllining lining plate, avoids each component internal lining pipe and liner plate body junction liquid storage disclosure risk.
Description
Technical field
The utility model belongs to chemical equipment technical field, and in particular to a kind of dedicated storage tank of high-purity chemicals.
Background technique
Storage tank is a kind of container for object storage, the especially storage of chemical liquid, generally requires to be equipped with corrosion-resistant
The storage tank of material.The general volume of storage tank is larger, if with steel plate welding production, not only weight is big, mechanical connecting structure is complicated, also deposits
The problems such as seal leakage, not corrosion-resistant.With the development of rotational molding technique, rotational moulding product is guaranteeing feasibility, usability and jail
Under the premise of solidity, moreover it is possible to be needed according to function by the increasingly complex of structure design, therefore currently used storage tank is essentially all
Using the convenient polytetrafluoroethylene (PTFE) rotational molding storage tank of light-weight, installation and transportation.But inside existing polytetrafluoroethylene (PTFE) rotational molding storage tank
When something goes wrong, it overhauls inconvenient.
Chemical storage tank in the prior art is bonded to storage tank by binder in its inner wall inside lining anti-corrosive plate, anti-corrosion plate
On inner wall, antisepsis is played by anti-corrosion plate.Since the faying face of anti-corrosion plate and reservoir walls is relatively flat, smooth,
Therefore, anti-corrosion plate, reservoir walls bonding be not that very securely, anti-corrosion plate is easy de- from reservoir walls in use
It falls, influences chemical storage tank anti-corrosion function.In addition, storage tank tank body needs to open up necessary nozzle, liner plate is also required to correspondence and opens
If nozzle, liner blank assemblies nozzle not enough frequently can lead to the leakage of chemical liquid with liner plate body junction leakproofness.
Summary of the invention
The purpose of the utility model is to overcome defects existing in the prior art, provide a kind of dedicated storage of high-purity chemicals
Tank, which overcomes metal can and polytetrafluoroethyllining lining plate bonds insecure problem, while ensure that polytetrafluoroethylene (PTFE)
The being absolutely sealed property of interior lining panel avoids chemical liquid disclosure risk.
To achieve the above object, there is provided a kind of dedicated storage tank of high-purity chemicals, packets for the technical solution of the utility model
Tank body, Weighing module, temperature sensor are included, the tank body is metal can, and metal can inner wall is provided with grid groove, mutually
The groove of connection is provided through the gas vent of tank body at the top of metal can, is cased with polytetrafluoroethyllining lining in metal can
Plate is provided with shell outside tank body, and the inner surface of the metal can and the outer surface of polytetrafluoroethyllining lining plate are coarse
Surface, metal can inner surface and polytetrafluoroethyllining lining plate outer surface are bonded by adhesive, and the tank body lower end is provided with
Several supporting legs, the supporting leg are installed on Weighing module, and the temperature sensor is set in metal can top inner wall.
Preferably, the metal can and polytetrafluoroethyllining lining plate include end socket and cylinder, are provided on end socket logical
Stomata, manhole and feed inlet, cylinder lower end are provided with liquidometer mounting hole, and liquidometer mounting hole is connected with liquidometer, cylinder bottom
Portion is provided with discharge port, and wherein metal can end socket is connect with metal can barrel soldering, polytetrafluoroethylene (PTFE) end socket and polytetrafluoro
Between ethylene cylinder by tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer welding rod hot air welding connect, wherein venthole,
Manhole, liquidometer mounting hole, is bonded with polytetrafluoroethyllining lining pipe, internal lining pipe and polytetrafluoroethyl-ne inside discharge port at feed inlet
It is connected between alkene interior lining panel by tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer welding rod hot air welding.
Preferably, the hull outside is provided with Temperature Treatment module, temperature indicator, and temperature sensor, which is connected with, leads
Line, conducting wire pass through venthole and are electrically connected with Temperature Treatment module, temperature indicator.
Preferably, the liquidometer top is higher than metal can.
Preferably, the manhole is provided with manhole cover, and manhole cover is provided with manhole cover handle.
Preferably, the outer surface of the inner surface of the metal can and polytetrafluoroethyllining lining plate is handled using brushing process
For frosted rough surface.
Preferably, the metal can outer surface is the passivation film structure that acid wash passivation processing is formed.
Preferably, the shell is provided with inlet and outlet, and shell is connected with water circulation system, water circulation system packet
Reservoir, temperature control component, water pump are included, water inlet is connect with water pump, and water outlet is connect with reservoir water inlet.
Advantages and beneficial effects of the utility model lie in that
1, the outer surface of the inner surface of metal can and polytetrafluoroethyllining lining plate uses brushing process processing thick for frosted
Bonded behind rough surface using adhesive, after tank body assembles, using vacuum pump by polytetrafluoroethyllining lining plate and metal can it
Between air extraction, solve the problems, such as to bond between polytetrafluoroethyllining lining plate and metal can unstable；
2, storage tank is provided with manhole, convenient for the progress of tank body installation and service work；
3, pass through tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer between polytetrafluoroethyllining lining plate end socket and cylinder
The connection of welding rod hot air welding, wherein venthole, manhole, feed inlet, liquidometer mounting hole, be bonded with polytetrafluoro inside discharge port
Ethylene internal lining pipe passes through tetrafluoroethylene-perfluoro alkoxy vinyl between polytetrafluoroethyllining lining pipe and polytetrafluoroethyllining lining plate
The connection of base ether copolymer welding rod hot air welding, ensure that the being absolutely sealed property of polytetrafluoroethyllining lining plate, avoids each component
Internal lining pipe and liner plate body junction liquid storage disclosure risk；
4, tank body is installed on Weighing module, and convenient for storing the weighing of liquid in tank body, tank body is provided with liquidometer, is convenient for
Monitoring to stock solution level height in tank body；
5, tank body is provided with temperature sensor and shell, convenient for liquid storage in storage tank temperature monitoring and control, medium temperature
Degree sensor is set in metal can top inner wall, is avoided and is contacted with the direct of liquid storage, reduces corrosion rate.
Detailed description of the invention
Fig. 1 is tank structure schematic diagram；
Fig. 2 is Figure 1A A sectional view.
Description of symbols:
1, metal can；2, polytetrafluoroethyllining lining plate；3, Weighing module；4, temperature sensor；5, supporting leg；6, it ventilates
Hole；7, manhole；8, manhole cover；9, manhole cover handle；10, feed inlet；11, liquidometer mounting hole；12, liquidometer；13, it discharges
Mouthful；14, Temperature Treatment module；15, temperature indicator；16, shell；17, water inlet；18, water outlet；19, reservoir；20, water
Pump；21, temperature control equipment；22, groove；23, gas vent.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, a kind of dedicated storage tank of high-purity chemicals, including tank body, Weighing module, temperature sensor, the tank
Body is metal can 1, and 1 inner wall of metal can is provided with grid groove 22, and the groove 22 of mutual connection is set at the top of metal can 1
It is equipped with the gas vent 23 across tank body, polytetrafluoroethyllining lining plate 2 is cased in tank body, shell 16 is provided with outside tank body, it is described
The inner surface of metal can 1 and the outer surface of polytetrafluoroethyllining lining plate 2 are rough surface, 1 inner surface of metal can and poly-
2 outer surface of tetrafluoroethene interior lining panel is bonded by adhesive, and the tank body lower end is provided with several supporting legs 5, the supporting leg
It is installed on Weighing module 3, the temperature sensor 4 is set in 1 top inner wall of metal can；The metal can 1 and poly-
Tetrafluoroethene interior lining panel 2 includes end socket and cylinder, is provided with venthole 6, manhole 7 and feed inlet 10, cylinder lower end on end socket
It is provided with liquidometer mounting hole 11, liquidometer mounting hole 11 is connected with liquidometer 12, and cylinder body bottom is provided with discharge port 13, wherein
Metal can end socket is connect with metal can barrel soldering, passes through tetrafluoro between polytetrafluoroethylene (PTFE) end socket and polytetrafluoroethylene (PTFE) cylinder
Ethylene-perfluorinated alkoxy vinyl ether copolymer welding rod hot air welding connects, wherein venthole 6, manhole 7, feed inlet 10, liquid level
It is bonded with polytetrafluoroethyllining lining pipe inside meter mounting hole 11, discharge port 13, between internal lining pipe and polytetrafluoroethyllining lining plate 2
It is connected by tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer welding rod hot air welding；Temperature is provided with outside the shell 16
Processing module 14, temperature indicator 15 are spent, temperature sensor 4 is connected with conducting wire, and conducting wire passes through venthole 6 and Temperature Treatment module
14, temperature indicator 15 is electrically connected.
Preferred mode is in the present embodiment, and the liquidometer top is higher than metal can.
Preferred mode is that the manhole is provided with manhole cover in the present embodiment, and manhole cover is provided with manhole cover handle.
Preferred mode is in the present embodiment, the inner surface of the metal can and the outer surface of polytetrafluoroethyllining lining plate
Use brushing process processing for frosted rough surface.
Preferred mode is in the present embodiment, and the metal can outer surface is the passivating film that acid wash passivation processing is formed
Structure.
Preferred mode is in the present embodiment, and the shell is provided with inlet and outlet, and shell is connected with water circulation
System, water circulation system include reservoir, temperature control equipment, water pump, and water inlet is connect with water pump, and water outlet and reservoir connect
It connects.
Preferred mode is in the present embodiment, and shell is thermal insulation material shell.
The mounting means of the dedicated storage tank of high-purity chemicals are as follows:
S1: cylinder and end socket pretreatment, by the polytetrafluoroethylene (PTFE) cylinder of rotation molding and polytetrafluoroethylene (PTFE) end socket outer surface
It at matte surface and is cleaned up using hair pulling treatment process, drying for standby；By metal can cylinder, the gold of moulding by casting
Belonging to pot body closing end inner surface grease removal derusting, simultaneously sandblasting is at matte surface and empty with compression with hair pulling treatment process to 2.5 grades
Air-blowing is swept clean spare.
S2: tank body assembling: the polytetrafluoroethylene (PTFE) barrel outer surface cleaned up and metal can cylinder inboard wall surface is equal
Even spraying adhesive, will be in the polytetrafluoroethylene (PTFE) cylinder insertion metal can cylinder that spray adhesive；It is poly- by what is cleaned up
Tetrafluoroethene end socket is installed at polytetrafluoroethylene (PTFE) cylinder upper end opening, total using tetrafluoroethylene-perfluoro alkoxy vinyl ethers
The connection of polymers welding rod hot air welding；The metal can end socket cleaned up is installed at metal can cylinder upper end opening, it will
Metal can end socket and metal can barrel soldering.
S3: each component polytetrafluoroethyllining lining pipe installation: by polytetrafluoroethyllining lining plate and metal can venthole 6, people
Hole 7, feed inlet 10, liquidometer mounting hole 11,13 corresponding position of discharge port open up out the consistent nozzle in aperture, by metal can
Venthole 6, manhole 7, feed inlet 10, liquidometer mounting hole 11, discharge port 13 inner wall surface and corresponding polytetrafluoroethylene (PTFE) in
Even application adhesive is distinguished in bushing pipe outer surface, and polytetrafluoroethyllining lining pipe is respectively arranged in corresponding tank body duct,
And use tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer welding rod hot air welding technique by each internal lining pipe and polytetrafluoroethylene (PTFE)
The welding of liner tube holes on tube sheet.
S4: vacuumizing, and vacuum pump is connect with gas vent 23, using vacuum pump by by gas vent 23 and mutual connection
Air extraction in meshed grooves 22 and between polytetrafluoroethyllining lining plate 2 and metal can 1, so that polytetrafluoroethyllining lining plate
2 and metal can 1 bonding it is more preferably secured, then gas vent is sealed up with plug.
S5: product testing: 1) filling water leak test, and tank interior is passed through tap water, checks venthole 6, manhole 7, feed inlet
10, whether liquidometer mounting hole 11, discharge port 13 and polytetrafluoroethyllining lining tube holes on tube sheet interface have leak, carry out if leak
Maintenance, it is if water-tight, i.e., qualified, into next detection process；2) polytetrafluoroethyllining lining plate resistance detection, uses insulation resistance meter
Polytetrafluoroethyllining lining plate is detected, insulation resistance is greater than 750M Ω, and it is qualified, it is unqualified to be overhauled；3) polytetrafluoroethyl-ne
The detection of alkene interior lining panel electric spark applies 15KV voltage to polytetrafluoroethyllining lining plate, there is not allowed that arcing phenomenon is qualification.
S6: equipment surface acid wash passivation.
S7: temperature sensor 4 is installed on top of the tank inner wall by temperature sensor assembling；By Temperature Treatment module 14,
Temperature indicator 15 is installed on shell, and the conducting wire that temperature sensor 4 connects passes through venthole 6 and Temperature Treatment module 14, temperature
Display 15 is spent to be electrically connected.
Monitoring temperature process:
The temperature value X1 that temperature indicator 15 is shown is compared with liquid storage storage request temperature range X2~X3, when
When X1 < X2~X3 or when X1 > X2~X3, the hot water water pump 20 in reservoir 19 is pumped into shell 16 through housing inlet 17
Inside, shell water outlet 17 are connect with 19 water inlet of reservoir, and the water circulation system constituted using shell 16 and reservoir 19 is real
The control to liquid storage temperature is showed.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (8)
1. a kind of dedicated storage tank of high-purity chemicals, it is characterised in that: including tank body, Weighing module, temperature sensor, the tank body
For metal can, metal can inner wall is provided with grid groove, and the groove of mutual connection is provided through at the top of metal can
The gas vent of tank body is cased with polytetrafluoroethyllining lining plate in metal can, shell is provided with outside tank body, the metal can
The outer surface of inner surface and polytetrafluoroethyllining lining plate is rough surface, metal can inner surface and polytetrafluoroethyllining lining plate
Outer surface is bonded by adhesive, and the tank body lower end is provided with several supporting legs, and the supporting leg is installed on Weighing module,
The temperature sensor is set in metal can top inner wall.
2. a kind of dedicated storage tank of high-purity chemicals as described in claim 1, it is characterised in that: the metal can and polytetrafluoro
Ethylene interior lining panel includes end socket and cylinder, and venthole, manhole and feed inlet are provided on end socket, and cylinder lower end is provided with liquid level
Mounting hole is counted, liquidometer mounting hole is connected with liquidometer, and cylinder body bottom is provided with discharge port, wherein metal can end socket and metal
The connection of tank body barrel soldering, passes through tetrafluoroethylene-perfluoro alkoxy second between polytetrafluoroethylene (PTFE) end socket and polytetrafluoroethylene (PTFE) cylinder
The connection of alkenyl ether copolymer welding rod hot air welding, wherein venthole, manhole, feed inlet, liquidometer mounting hole, discharge port inside are equal
It is bonded with polytetrafluoroethyllining lining pipe, passes through tetrafluoroethylene-perfluoro alkoxy second between internal lining pipe and polytetrafluoroethyllining lining plate
The connection of alkenyl ether copolymer welding rod hot air welding.
3. a kind of dedicated storage tank of high-purity chemicals as claimed in claim 2, it is characterised in that: the hull outside is provided with temperature
Processing module, temperature indicator are spent, temperature sensor is connected with conducting wire, and conducting wire passes through venthole and Temperature Treatment module, temperature
Display electrical connection.
4. a kind of dedicated storage tank of high-purity chemicals as claimed in claim 2, it is characterised in that: the liquidometer top is higher than gold
Belong to tank body.
5. a kind of dedicated storage tank of high-purity chemicals as claimed in claim 2, it is characterised in that: the manhole is provided with manhole
Lid, manhole cover are provided with manhole cover handle.
6. a kind of dedicated storage tank of high-purity chemicals as described in claim 1, it is characterised in that: the inner surface of the metal can
Use brushing process processing for frosted rough surface with the outer surface of polytetrafluoroethyllining lining plate.
7. a kind of dedicated storage tank of high-purity chemicals as described in claim 1, it is characterised in that: the metal can outer surface
The passivation film structure formed for acid wash passivation processing.
8. a kind of dedicated storage tank of high-purity chemicals as described in claim 1, it is characterised in that: the shell is provided with water inlet
And water outlet, shell are connected with water circulation system, water circulation system includes reservoir, temperature control equipment, water pump, water inlet with
Water pump connection, water outlet are connect with reservoir water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627213.0U CN208377548U (en) | 2018-04-28 | 2018-04-28 | A kind of dedicated storage tank of high-purity chemicals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820627213.0U CN208377548U (en) | 2018-04-28 | 2018-04-28 | A kind of dedicated storage tank of high-purity chemicals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208377548U true CN208377548U (en) | 2019-01-15 |
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ID=64973415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820627213.0U Active CN208377548U (en) | 2018-04-28 | 2018-04-28 | A kind of dedicated storage tank of high-purity chemicals |
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| Country | Link |
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| CN (1) | CN208377548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294220A (en) * | 2019-08-06 | 2019-10-01 | 无锡氟士德防腐科技有限公司 | Store the anti-expansion storage tank of semiconductor metachemistry product |
| CN115023399A (en) * | 2020-01-02 | 2022-09-06 | 恩特格里斯公司 | Bulk container with steel overwrap |
-
2018
- 2018-04-28 CN CN201820627213.0U patent/CN208377548U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294220A (en) * | 2019-08-06 | 2019-10-01 | 无锡氟士德防腐科技有限公司 | Store the anti-expansion storage tank of semiconductor metachemistry product |
| CN110294220B (en) * | 2019-08-06 | 2024-03-26 | 无锡氟士德防腐科技有限公司 | Anti-expansion storage tank for storing semiconductor super chemicals |
| CN115023399A (en) * | 2020-01-02 | 2022-09-06 | 恩特格里斯公司 | Bulk container with steel overwrap |
| CN115023399B (en) * | 2020-01-02 | 2024-08-23 | 恩特格里斯公司 | Bulk container with steel overwrap |
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