CN209092764U - A kind of cold-trap preventing non-condensable gas entrainment condensable gas - Google Patents
A kind of cold-trap preventing non-condensable gas entrainment condensable gas Download PDFInfo
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- CN209092764U CN209092764U CN201821802993.4U CN201821802993U CN209092764U CN 209092764 U CN209092764 U CN 209092764U CN 201821802993 U CN201821802993 U CN 201821802993U CN 209092764 U CN209092764 U CN 209092764U
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- trap
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- condensable gas
- filter screen
- pipe
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Abstract
The utility model relates to cold-trap technical fields, and disclose a kind of cold-trap for preventing non-condensable gas entrainment condensable gas, including trap body, the inside of the trap body is fixedly installed with cold-trap pipe, the top fixing sleeve of the trap body is connected to sealing shroud, and the both ends of the cold-trap pipe both pass through sealing shroud and extend to the outside of trap body, and the top mobile communication of a connector has air inlet, the top mobile communication of another connector has bend pipe, and the outer surface fixing sleeve of the bend pipe is connected to Backflow bottle.This prevents the cold-trap of non-condensable gas entrainment condensable gas, the substance inside cold-trap pipe is condensed by the refrigerant inside trap body, to remove most of condensable gas, in addition a small amount of condensable gas carried secretly in non-condensable gas is adsorbed again by the first filter screen, the second filter screen, third filter screen and the 4th filter screen inside filtering tank, to increase the effect that the cold-trap removes condensable gas.
Description
Technical field
The utility model relates to cold-trap technical fields, specially a kind of to prevent the cold of non-condensable gas entrainment condensable gas
Trap.
Background technique
Cold-trap is placed between vacuum tank and vacuum pump for adsorbed gas or traps the device of oil vapour, can be molten
The high substance of point is separated with low-melting substance.
When industrial production is exchanged heat, non-condensable gas often carries the gas that can be coagulated a bit secretly, these gases that can be coagulated
It will affect the quality of product, and existing cold-trap is poor to the removal effect of condensable gas, non-condensable gas is still in heat exchange
Meeting entrainment portions condensable gas, influences the using effect of cold-trap, if using cold-trap device process intermediate pump or other pumps
Accident occurs to stop working, the substance in cold-trap pipe can flow back, and existing cold-trap lacks the device of anti-backflow, when pump is prominent
The substance that reflux is easy in pollution vacuum tank occurs for substance when so stopping working in cold-trap pipe.
Utility model content
In view of the deficiencies of the prior art, the utility model provide it is a kind of prevent non-condensable gas entrainment condensable gas it is cold
Trap has except the advantages of condensable gas effect is good and anti-backflow, solves existing cold-trap to the removal effect of condensable gas
It is poor, heat exchange when non-condensable gas still can entrainment portions condensable gas, influence the using effect of cold-trap, filled using cold-trap
It sets process intermediate pump or other pumps stops working in case of unexpected, the substance in cold-trap pipe can flow back, and existing cold
Trap lacks the device of anti-backflow, and the substance when pump stops working suddenly in cold-trap pipe occurs reflux and is easy pollution vacuum tank
The problem of interior substance.
The utility model provides the following technical solutions: a kind of cold-trap preventing non-condensable gas entrainment condensable gas, including
Trap body, the inside of the trap body are fixedly installed with cold-trap pipe, and the top fixing sleeve of the trap body is connected to sealing shroud, the cold-trap pipe
Both ends both pass through sealing shroud and extend to the outside of trap body, the top mobile communication of a connector has air inlet, another
The top mobile communication of connector has a bend pipe, and the outer surface fixing sleeve of the bend pipe is connected to Backflow bottle, at the top of the Backflow bottle
Right side fixing sleeve is connected to connecting tube, and the top of the connecting tube is fixed to be communicated with filtering tank, and the top of the filtering tank is fixed to be connected
It is connected with gas outlet.
Preferably, the inside of the filtering tank is fixedly installed with the first filter screen, and the inside of the filtering tank is fixedly mounted
There is the second filter screen being located at below the first filter screen, the inside of the filtering tank is fixedly installed with below the second filter screen
Third filter screen, the inside of the filtering tank is fixedly installed with the 4th filter screen below third filter screen.
Preferably, the front of the trap body offers fixation hole, and the quantity of the fixation hole is 12, and 12 institutes
State the front that fixation hole is distributed in trap body in a ring.
Preferably, the volume number of the cold-trap pipe is volume six, and the outer surface of the cold-trap pipe is fixedly connected with sealing shroud.
Preferably, the bend pipe is U-shaped bend pipe, and bend pipe is located at the length inside Backflow bottle and is located at reflux less than connecting tube
Length inside bottle.
Preferably, the height of the trap body is 450 millimeters, and the width of the trap body is 150 millimeters.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, this prevent non-condensable gas entrainment condensable gas cold-trap, by the refrigerant inside trap body to cold-trap pipe inside
Substance condensed, to remove most of condensable gas, a small amount of condensable gas in addition carried secretly in non-condensable gas passes through
The first filter screen, the second filter screen, third filter screen and the 4th filter screen inside filtering tank are adsorbed again, to increase
The cold-trap removes the effect of condensable gas.
2, cold-trap for preventing non-condensable gas entrainment condensable gas, by the cooperation of Backflow bottle and connecting tube, when pump is prominent
Gas when so stopping working inside connecting tube can flow into Backflow bottle, and be trapped in inside Backflow bottle, prevent gas backstreaming dirty
Other gases in vacuum tank are contaminated, the practicability of the cold-trap is increased.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the right side structural representation of the utility model；
Fig. 3 is enlarged structure schematic diagram at the utility model A；
Fig. 4 is enlarged structure schematic diagram at the utility model B.
In figure: 1, trap body；2, cold-trap pipe；3, sealing shroud；4, connector；5, bend pipe；6, Backflow bottle；7, connecting tube；8, mistake
Filter tank；9, the first filter screen；10, the second filter screen；11, third filter screen；12, the 4th filter screen；13, gas outlet；14, air inlet
Mouthful；15, fixation hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, be also possible to integral；
It can be mechanical connection, be also possible to be electrically connected, be also possible to communication connection；It can be and be directly connected to, centre can also be passed through
Medium is indirectly connected with, and can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear
Restriction.For the ordinary skill in the art, above-mentioned term can be understood in the utility model as the case may be
In concrete meaning.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1-4, a kind of cold-trap preventing non-condensable gas entrainment condensable gas, including trap body 1 are please referred to, trap body 1 is just
Face offers fixation hole 15, and the quantity of fixation hole 15 is 12, and 12 fixation holes 15 are being distributed in trap body 1 just in a ring
Face, fixation hole 15 are fixed the cold-trap convenient for user, increase the stability of the cold-trap, and the height of trap body 1 is 400
50 millimeters, the width of trap body 1 is 150 millimeters, and the inside of trap body 1 is fixedly installed with cold-trap pipe 2, the volume number of cold-trap pipe 2
It is volume six, the outer surface of cold-trap pipe 2 is fixedly connected with sealing shroud 3, and cold-trap pipe 2 has good thermal conductivity, can facilitate trap body 1
Internal refrigerant condenses the gas inside cold-trap pipe 2, and the intensity of cold-trap pipe 2 is very big, can prevent in cold-trap pipe 2
Outer pressure difference damages cold-trap pipe 2, improves the service life of the cold-trap, and the top fixing sleeve of trap body 1 is connected to sealing shroud
3, the both ends of cold-trap pipe 2 both pass through sealing shroud 3 and extend to the outside of trap body 1, the top mobile communication of a connector 4 have into
Port 14, the top mobile communication of another connector 4 have bend pipe 5, and bend pipe 5 is U-shaped bend pipe, and bend pipe 5 is located in Backflow bottle 6
The length in portion is less than connecting tube 7 and is located at the length inside Backflow bottle 6, and the volume of connecting tube 7 is less than the volume of Backflow bottle 6, when even
When gas inside adapter tube 7 flows into 6 inside of Backflow bottle, since the cold-trap is vacuum, the gas inside Backflow bottle 6 will not
It is flowed back into cold-trap pipe 2 by bend pipe 5, the substance in vacuum tank can be effectively prevent to be contaminated, the outer surface of bend pipe 5 is fixed
It is socketed with Backflow bottle 6, the right side fixing sleeve at 6 top of Backflow bottle is connected to connecting tube 7, and the top fixation of connecting tube 7 is communicated with filtering
Tank 8, the inside of filtering tank 8 are fixedly installed with the first filter screen 9, and the inside of filtering tank 8 is fixedly installed with positioned at the first filter screen 9
Second filter screen 10 of lower section, the inside of filtering tank 8 are fixedly installed with the third filter screen 11 positioned at 10 lower section of the second filter screen,
The inside of filtering tank 8 is fixedly installed with the 4th filter screen 12 positioned at 11 lower section of third filter screen, and that carries secretly in condensable gas lacks
Condensable gas is measured by the first filter screen 9, the second filter screen 10, third filter screen 11 and the 4th filter screen inside filtering tank 8
12 are adsorbed again, can increase the effect that the cold-trap removes condensable gas, and the top fixation of filtering tank 8 is communicated with gas outlet
13。
When work, air inlet 14 is attached first with vacuum tank, then connects gas outlet 13 with vacuum pump
It connects, then to refrigerant is injected inside trap body 1, then starts vacuum pump and first extract the air inside the cold-trap out, then starting is true
Null device is distilled, and is condensed by the cooling medium inside trap body 1 to the gas inside cold-trap pipe 2, the gas that can be coagulated is pre-
Cooling solidification is fallen into cold-trap pipe 2, and the condensable gas for the gas entrainment fraction that can not be coagulated is entered in Backflow bottle 6 by bend pipe 5, then by
Connecting tube 7 enters in filtering tank 8 condensable gas for adsorbing remaining fraction, is finally discharged by gas outlet 13.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that fisrt feature and second feature directly contact or fisrt feature and second feature pass through intermediary mediate contact.
Moreover, fisrt feature can be fisrt feature in second feature above the second feature " above ", " above " and " above "
Directly above or obliquely above, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in second feature " it
Under ", " lower section " and " following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of fisrt feature water
Flat height is lower than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc., it is intended that specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in one or more any embodiment or example.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of cold-trap for preventing non-condensable gas entrainment condensable gas, including trap body (1), it is characterised in that: the trap body (1)
Inside be fixedly installed with cold-trap pipe (2), the top fixing sleeve of the trap body (1) is connected to sealing shroud (3), the cold-trap pipe (2)
Both ends both pass through sealing shroud (3) and extend to the outside of trap body (1), the top mobile communication of a connector (4) has air inlet
Mouth (14), the top mobile communication of another connector (4) have bend pipe (5), and the outer surface fixing sleeve of the bend pipe (5) is connected to back
It flows bottle (6), the right side fixing sleeve at the top of the Backflow bottle (6) is connected to connecting tube (7), and the top of the connecting tube (7) is fixed to be connected
It is connected with filtering tank (8), the top fixation of the filtering tank (8) is communicated with gas outlet (13).
2. the cold-trap according to claim 1 for preventing non-condensable gas entrainment condensable gas, it is characterised in that: the filtering
The inside of tank (8) is fixedly installed with the first filter screen (9), and the inside of the filtering tank (8) is fixedly installed with positioned at the first filtering
The second filter screen (10) below net (9), the inside of the filtering tank (8) are fixedly installed with below the second filter screen (10)
Third filter screen (11), the inside of the filtering tank (8) is fixedly installed with the 4th mistake below third filter screen (11)
Strainer (12).
3. the cold-trap according to claim 1 for preventing non-condensable gas entrainment condensable gas, it is characterised in that: the trap body
(1) front offers fixation hole (15), and the quantity of the fixation hole (15) is 12, and 12 fixation holes (15)
It is distributed in the front of trap body (1) in a ring.
4. the cold-trap according to claim 1 for preventing non-condensable gas entrainment condensable gas, it is characterised in that: the cold-trap
The volume number for managing (2) is volume six, and the outer surface of the cold-trap pipe (2) is fixedly connected with sealing shroud (3).
5. the cold-trap according to claim 1 for preventing non-condensable gas entrainment condensable gas, it is characterised in that: the bend pipe
It (5) is U-shaped bend pipe, and bend pipe (5) is located at the internal length of Backflow bottle (6) and is located at Backflow bottle (6) inside less than connecting tube (7)
Length.
6. the cold-trap according to claim 1 for preventing non-condensable gas entrainment condensable gas, it is characterised in that: the trap body
(1) height is 450 millimeters, and the width of the trap body (1) is 150 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802993.4U CN209092764U (en) | 2018-11-02 | 2018-11-02 | A kind of cold-trap preventing non-condensable gas entrainment condensable gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802993.4U CN209092764U (en) | 2018-11-02 | 2018-11-02 | A kind of cold-trap preventing non-condensable gas entrainment condensable gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209092764U true CN209092764U (en) | 2019-07-12 |
Family
ID=67157947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821802993.4U Active CN209092764U (en) | 2018-11-02 | 2018-11-02 | A kind of cold-trap preventing non-condensable gas entrainment condensable gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209092764U (en) |
-
2018
- 2018-11-02 CN CN201821802993.4U patent/CN209092764U/en active Active
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