CN209530401U - Novel negative pressure pumping and leading-in device - Google Patents
Novel negative pressure pumping and leading-in device Download PDFInfo
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- CN209530401U CN209530401U CN201822221847.9U CN201822221847U CN209530401U CN 209530401 U CN209530401 U CN 209530401U CN 201822221847 U CN201822221847 U CN 201822221847U CN 209530401 U CN209530401 U CN 209530401U
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- negative pressure
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- drawn
- delivery pipe
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Abstract
The utility model discloses a kind of novel negative pressure pumping and leading-in devices comprising has injection gas source, ejector pipe, is drawn pipe, suction inlet.Advantage: structure is simple, manufacture is easy, is at low cost；In the case that the flow velocity of injection gas is certain, only restriction orifice need to be replaced according to different conveying lengths, guarantee medium high-speed transfer in delivery pipe, transmission medium is avoided to block accumulation in delivery pipe；Treat pumping and leading-in device take out it is negative when, high-speed flow in ejector pipe drives the gas in negative tube, by after restriction orifice to delivery pipe flow at high speed, so that the medium wait be drawn in equipment enters delivery pipe through negative tube, restriction orifice can resistance between intensified negative pressure pipe and feed-line, increase negative pressure and be drawn effect；When injection gas is steam, humidification process can be carried out to powdered transmission medium, transmission medium is mixed in delivery pipe with steam, especially humidified to process contamination dust, can reduced environmental pollution.
Description
Technical field:
The utility model relates to the technical fields that negative pressure is drawn, and in particular to novel negative pressure pumping and leading-in device.
Background technique:
Traditional gas negative pressure pumping and leading-in device is all the structure using Venturi tube, when blowing air over obstacle, in obstacle
Leeward near ports air pressure it is relatively low, to generate suction-operated and lead to the flowing of air.From the coarse to fine air-flow,
Accelerate gas flow rate, gas is made to form " vacuum " area in the rear side of venturi outlet.When this " vacuum " area is close to wait take out
When leading-in device, the medium inside the device can be generated and certain be drawn effect.Being drawn technology using negative pressure makes to pumping and leading-in device
Inside forms negative pressure state, and structure is complicated for the gas negative pressure pumping and leading-in device of venturi tube structure, and difficulty of processing is big；When injection gas
It in the case that pressure is certain, needs to turn down reentrant diameter, to provide the power of flow of media, traditional gas negative pressure is drawn dress
Necking one-pass molding in setting, when the later period needs long pipeline pumped (conveying) medium, since the diameter of necking cannot be adjusted, so suitable
It is lower with property.
Utility model content:
The purpose of this utility model is to provide a kind of structures, and simple, manufacture is easy, novel negative pressure at low cost is drawn dress
It sets.
The utility model is implemented by following technical solution: novel negative pressure pumping and leading-in device comprising has injection gas source, injection
It manages, be drawn pipe, suction inlet, the pipe that is drawn is divided by the set current limiting orifice plate in the middle part of described be drawn in pipe, the restriction orifice
Negative tube and delivery pipe two parts are fixed with Closed end plate in the outer end of the negative tube；The centre of the restriction orifice is equipped with
Perforation, the outlet of the perforation and the ejector pipe, the entrance of the ejector pipe pass through the negative tube with it is described
The outlet of injection gas source connects, and the suction inlet is connected on the tube wall of the negative tube.
Further, the restriction orifice is clamped between the negative tube and the delivery pipe by flange.
Further, pressure is successively installed with along injection airflow direction on the ejector pipe on the outside of the Closed end plate
Power table, control valve, flowmeter.
Further, vacuum table is equipped on the tube wall of the negative tube.
Further, the gas inside the injection gas source is steam or compressed air.
The advantages of the utility model: 1, structure is simple, manufacture is easy, at low cost；2, the feelings certain when the flow velocity of injection gas
Under condition, only restriction orifice need to be replaced according to different conveying lengths, guarantee medium high-speed transfer in delivery pipe, transmission is avoided to be situated between
Matter blocks accumulation in delivery pipe；3, to when pumping and leading-in device takes out negative, the high-speed flow in ejector pipe drives the gas in negative tube
Body, by, to delivery pipe flow at high speed, so that the medium wait be drawn in equipment enters delivery pipe through negative tube, being limited after restriction orifice
Discharge orifice plate can resistance between intensified negative pressure pipe and feed-line, increase negative pressure and be drawn effect；4, it needs to be situated between to powdered transmission
Matter carries out humidification process, and using steam as injection gas, transmission medium carries out mixing humidification in delivery pipe with steam, especially to work
Skill pollutes the humidification process of dust, can reduce environmental pollution.
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 only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of restriction orifice.
Injection gas source -1, ejector pipe -2, suction inlet -3, restriction orifice -4, negative tube -5, delivery pipe -6, perforation -7, method
Blue -8, pressure gauge -9, control valve -10, flowmeter -11, vacuum table -12.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, novel negative pressure pumping and leading-in device comprising have injection gas source 1, ejector pipe 2, be drawn pipe, sucking
Mouthfuls 3, the injection gas in injection gas source 1 provides driving force for the negative pressure pumping and leading-in device, the set current limiting orifice plate in the middle part of being drawn in pipe
4, restriction orifice 4 is clamped between negative tube 5 and delivery pipe 6 by flange 8, and restriction orifice 4 can be with by the connection of flange 8
Make the replacement easy to disassemble of restriction orifice 4, improves the applicability of the negative pressure pumping and leading-in device；Restriction orifice 4 will be drawn pipe and be divided into negative pressure
6 two parts of pipe 5 and delivery pipe are fixed with Closed end plate in the outer end of negative tube 5；The centre of restriction orifice 4 is equipped with perforation 7,
Perforation 7 is the circulation passage of injection gas, there is multiple metering holes on restriction orifice 4, and metering hole is wait be drawn medium flow field in equipment
Logical channel only need to replace restriction orifice 4 according to different conveying lengths, guarantee in the case that the flow velocity of injection gas is certain
Medium high-speed transfer in delivery pipe 6 avoids transmission medium from blocking accumulation in delivery pipe 6.
The outlet of perforation 7 and ejector pipe 2, the entrance of ejector pipe 2 pass through the outlet of negative tube 5 and injection gas source 1
It connects, the gas inside injection gas source 1 is steam or compressed air, or other will not pollute environment can be straight
Run in the gas put, and when injection gas is steam, humidification process, transmission medium and steaming can be carried out to powdered transmission medium
Vapour is mixed in delivery pipe 6, is especially humidified to process contamination dust, can be reduced environmental pollution；Outside Closed end plate
It is successively installed with pressure gauge 9, control valve 10, flowmeter 11 along injection airflow direction on the ejector pipe 2 of side, observes flowmeter 11
Numerical value by 10 pairs of control valve enter ejector pipe 2 in gas flow be adjusted, the size of gas flow determines negative pressure
The pace of change of 5 internal pressure of pipe；It is connected to suction inlet 3 on the tube wall of negative tube 5, negative pressure is equipped on the tube wall of negative tube 5
Table 12, since the equipment to be drawn of negative tube 5 is connected to, so vacuum table 12 monitors the negative pressure value wait be drawn inside equipment, ejector pipe 2
In high-speed flow drive the gas in negative tube 5 by after restriction orifice 4 to 6 flow at high speed of delivery pipe, it is negative in negative tube 5
Pressure increases, so that the medium wait be drawn in equipment enters delivery pipe 6 through negative tube 5.
The specific operating process of the embodiment are as follows:
1, suction inlet 3 is connected to equipment to be drawn, injection gas source 1 is connect with ejector pipe 2, opens control valve 10, injection
Gas in gas source 1, to 6 flow at high speed of delivery pipe, drives the gas inside delivery pipe 6 with the flowing of injection gas by ejector pipe 2
Direction carries out flow at high speed, since the flow velocity of gas in delivery pipe 6 is big, pressure is small, pressure of the negative tube 5 relative to delivery pipe 6
Greatly, the gas inside negative tube 5 can pass through restriction orifice 4 and enter in delivery pipe 6, and then the negative pressure in negative tube 5 increases；
2, it is connected to due to negative tube 5 with equipment to be drawn, is drawn into negative tube 5 wait be drawn the medium inside equipment,
Medium enters delivery pipe 6 under the drive of swiftly flowing ejection gas；
3, when the pressure value wait be drawn in equipment reaches the maximum value of production, equipment to be drawn is removed, closes control
Valve 10.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. novel negative pressure pumping and leading-in device, which is characterized in that it includes injection gas source, ejector pipe, is drawn pipe, suction inlet, in institute
Set current limiting orifice plate in the middle part of being drawn in pipe is stated, the pipe that is drawn is divided into negative tube and delivery pipe two parts by the restriction orifice,
Closed end plate is fixed in the outer end of the negative tube；The centre of the restriction orifice is equipped with perforation, the perforation and institute
The outlet of ejector pipe is stated, the entrance of the ejector pipe passes through the negative tube and connect with the outlet of the injection gas source,
The suction inlet is connected on the tube wall of the negative tube.
2. novel negative pressure pumping and leading-in device according to claim 1, which is characterized in that the restriction orifice is clamped by flange
It is fixed between the negative tube and the delivery pipe.
3. according to claim 1 or 2 any novel negative pressure pumping and leading-in devices, which is characterized in that outside the Closed end plate
Pressure gauge, control valve, flowmeter are successively installed with along injection airflow direction on the ejector pipe of side.
4. according to claim 1 or 2 any novel negative pressure pumping and leading-in devices, which is characterized in that in the pipe of the negative tube
Wall is equipped with vacuum table.
5. novel negative pressure pumping and leading-in device according to claim 1, which is characterized in that the gas inside the injection gas source is
Steam or compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221847.9U CN209530401U (en) | 2018-12-26 | 2018-12-26 | Novel negative pressure pumping and leading-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221847.9U CN209530401U (en) | 2018-12-26 | 2018-12-26 | Novel negative pressure pumping and leading-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209530401U true CN209530401U (en) | 2019-10-25 |
Family
ID=68267049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221847.9U Active CN209530401U (en) | 2018-12-26 | 2018-12-26 | Novel negative pressure pumping and leading-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209530401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303659A (en) * | 2022-08-15 | 2022-11-08 | 中国海洋石油集团有限公司 | Oil gas recovery system and method for underground water seal cave depot |
-
2018
- 2018-12-26 CN CN201822221847.9U patent/CN209530401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303659A (en) * | 2022-08-15 | 2022-11-08 | 中国海洋石油集团有限公司 | Oil gas recovery system and method for underground water seal cave depot |
| CN115303659B (en) * | 2022-08-15 | 2024-01-09 | 中国海洋石油集团有限公司 | Oil gas recovery system and method of underground water seal cave depot |
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