CN206192095U - Prevent suck -back off device - Google Patents
Prevent suck -back off device Download PDFInfo
- Publication number
- CN206192095U CN206192095U CN201621129335.4U CN201621129335U CN206192095U CN 206192095 U CN206192095 U CN 206192095U CN 201621129335 U CN201621129335 U CN 201621129335U CN 206192095 U CN206192095 U CN 206192095U
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- suck
- utility
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- water inlet
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Abstract
The utility model discloses a prevent suck -back off device, its characterized in that, including the barrel, be equipped with outlet and water inlet on the outer wall of barrel, the position of outlet is less than the position of water inlet. The utility model discloses simple structure is through using the utility model discloses, when treating behind the steam sterilization that box temperature drops to pressure and is lighter than the case external pressure, leak back extremely the outlet suck -back of floor drain the utility model discloses a barrel is inside and in can not getting into freeze -drying box through the pipeline, prevents effectively promptly that the freeze dryer is in the internal external pressure of sterilization rear cabinet poor and suck -back ground leaks entering freeze -drying box.
Description
Technical field
The utility model is related to a kind of anti-suck partition apparatus, for vacuum freeze drier (referred to as：Freeze dryer) row
In water lines, belong to freeze dryer technical field.
Background technology
After cleaning and steam sterilizing, pressure can be less than casing external pressure to freeze dryer in freeze drying box body, after draining valve is opened
The water that can occur in drainpipe suck-back floor drain enters pipeline.
To avoid the ground leak of drainpipe suck-back once using suck-back device as shown in Figure 1, its principle：Regulation discharge outlet
Typically require to be 2d with the distance between floor drain connecting tube H, but minimum is not less than 25mm.This kind of mode is appropriate only for rinse water
Discharge, if it is desired to discharge cooling water and steam (such as freeze dryer), this mode is just not suitable for, because steam can permeate
Whole room.
The content of the invention
The technical problems to be solved in the utility model is：There is provided a kind of anti-suck partition apparatus of simple structure, solve
The problem of drainpipe suck-back ground leak can occur after freeze dryer draining.
In order to solve the above-mentioned technical problem, the technical solution of the utility model there is provided a kind of anti-suck partition apparatus,
It is characterised in that it includes cylinder, the outer wall of cylinder is provided with discharge outlet and water inlet, the position of the position less than water inlet of discharge outlet
Put.
Preferably, described discharge outlet and water inlet are located at the bottom of cylinder lateral wall.
Preferably, it is provided with overfall at the top of described cylinder lateral wall.
Preferably, the position of described overfall is respectively higher than the position of discharge outlet and the position of water inlet.
The utility model simple structure, by using the utility model, treats steam sterilizing rear box temperature drop to pressure
During less than case external pressure, the discharge outlet suck-back ground leak of floor drain is back to inner barrel of the present utility model without entering by pipeline
Enter in freeze drying box, i.e., effectively prevent freeze dryer after sterilization casing external and internal pressure difference and suck-back ground leak enter freeze drying box in.
Brief description of the drawings
Fig. 1 is traditional suck-back device schematic diagram；
Fig. 2 is a kind of structural representation of anti-suck partition apparatus.
Specific embodiment
To become apparent the utility model, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
The utility model is a kind of anti-suck partition apparatus, as shown in Fig. 2 it includes cylinder 4, the bottom of the side wall of cylinder 4
It is provided with discharge outlet 2 and water inlet 3, the position of the position less than water inlet 3 of discharge outlet 2.Overfall is provided with the top of the wall of simplified 4 side
1, the position of overfall 1 is respectively higher than the position of discharge outlet 2 and the position of water inlet 3.
The main sewer mouth of freeze dryer connects the water inlet 3 of the utility model device, discharge outlet 2 and ground leaking drainage pipe connection,
Discharge water of the freeze dryer in cleaning can enter in cylinder 4 through water inlet 3, and cylinder 4, heel row to floor drain are discharged by discharge outlet 2.
Operation principle of the present utility model is as follows：
After the rinse water of freeze drying box discharge enters device of the present utility model through its discharge outlet, filled using the utility model
The drop of the entery and delivery port put realizes draining, when steam sterilizing rear box temperature drop to pressure is less than case external pressure, floor drain
Discharge outlet suck-back ground leak be back to inner barrel of the present utility model without by pipeline enter freeze drying box in, play anti-down
The effect of suction.
Claims (4)
1. a kind of anti-suck partition apparatus, it is characterised in that including cylinder (4), the outer wall of cylinder (4) is provided with discharge outlet (2)
With water inlet (3), the position of the position less than water inlet (3) of discharge outlet (2).
2. a kind of anti-suck partition apparatus as claimed in claim 1, it is characterised in that described discharge outlet (2) and water inlet
(3) located at the bottom of cylinder (4) side wall.
3. a kind of anti-suck partition apparatus as claimed in claim 1, it is characterised in that the top of described cylinder (4) side wall
It is provided with overfall (1).
4. a kind of anti-suck partition apparatus as claimed in claim 3, it is characterised in that the position of described overfall (1) point
Not Gao Yu discharge outlet (2) position and the position of water inlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129335.4U CN206192095U (en) | 2016-10-17 | 2016-10-17 | Prevent suck -back off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129335.4U CN206192095U (en) | 2016-10-17 | 2016-10-17 | Prevent suck -back off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192095U true CN206192095U (en) | 2017-05-24 |
Family
ID=58731022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621129335.4U Active CN206192095U (en) | 2016-10-17 | 2016-10-17 | Prevent suck -back off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192095U (en) |
-
2016
- 2016-10-17 CN CN201621129335.4U patent/CN206192095U/en active Active
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| GR01 | Patent grant | ||
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