CN207230171U - A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus - Google Patents
A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus Download PDFInfo
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- CN207230171U CN207230171U CN201721157794.8U CN201721157794U CN207230171U CN 207230171 U CN207230171 U CN 207230171U CN 201721157794 U CN201721157794 U CN 201721157794U CN 207230171 U CN207230171 U CN 207230171U
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- regulator valve
- pressure regulator
- gas
- pressure
- sealing apparatus
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Abstract
The utility model discloses a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus,Including main filter,Secondary filter,Partition plate,T-shaped partition plate,Main pressure regulator valve,Secondary pressure regulator valve,The main filter is connected by a gas outlet of connecting partition and T-shaped partition plate with main pressure regulator valve air inlet,Another gas outlet of T-shaped partition plate is connected with secondary pressure regulator valve air inlet,The gas outlet of the main pressure regulator valve and the gas lock hole of mechanically-sealing apparatus connect,The venthole of the pair pressure regulator valve and the gas push hole of mechanically-sealing apparatus connect,And the venthole of main pressure regulator valve separates the pilot hole that tracheae all the way is connected to secondary pressure regulator valve,The system pressure sealed by mechanically-sealing apparatus extracts the pilot hole that tracheae all the way is connected to main pressure regulator valve by secondary filter,The utility model its take full advantage of the pressure regulation mechanism of pilot-operated type pressure regulator valve,The compressed air pressure for realizing Pneumatic-control type mechanically-sealing apparatus automatically controls.
Description
Technical field
The utility model belongs to gas control component, the compressed air pressure self-regulation gas control dress for Pneumatic-control type mechanical seal
Put, be specifically a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus.
Background technology
In powder conveying industry, especially air-transport system, since the medium of sealing is compressed air and solid powder
Or the mixture of particle, internal condition and its harshness, it is higher to end face seal request, it is necessary to which a kind of can seal in system is compressed
Air, and powder engaging friction pair can be prevented in system to extend the sealing mechanism of its service life.
Traditional mechanically-sealing apparatus its general when dispatching from the factory come according to issuable maximum pressure in air-transport system
As calculating parameter design sealing pair than pressure, and a coil spring is set to produce design than pressure, that is to say, that this sealer
Seal pressure when structure dispatches from the factory is constant, and sealing pair friction power loss is highest.General sealing pair service life length and friction
The height of power consumption is inversely proportional.
For the highpressure pneumatic system of powder conveying industry, the particularity of its solid and gas blending transportation determines, system air pressure
Fluctuation will be constantly produced, wherein larger fluctuation will cause sealing surface abrasion aggravation, so needing a set of air pressure to automatically control dress
Put, the gas lock for meeting a design requirement gas can be exported to prevent solid powder from invading sealing pair, while export one
The gas for meeting design requirement pushes away gas to act on sealing pair, it is produced the ratio pressure of lasting design requirement.
Utility model content
The purpose of this utility model is to provide a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus, with solution
Problem certainly proposed in the above background technology.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus, including main filter, secondary filter, partition plate, T
Type partition plate, main pressure regulator valve, secondary pressure regulator valve, the main filter pass through connecting partition and a gas outlet of T-shaped partition plate and homophony
Pressure valve air inlet connects, another gas outlet of T-shaped partition plate is connected with secondary pressure regulator valve air inlet, the gas outlet of the main pressure regulator valve
It is connected with the gas lock hole of mechanically-sealing apparatus, the venthole of the pair pressure regulator valve and the gas push hole of mechanically-sealing apparatus connect, and
The venthole of main pressure regulator valve separates the pilot hole that tracheae all the way is connected to secondary pressure regulator valve, the system pressure sealed by mechanically-sealing apparatus
Power extracts the pilot hole that tracheae all the way is connected to main pressure regulator valve by secondary filter.
Further, the partition plate is straight-through that the T-shaped partition plate is threeway.
Further, gas control component output two-way, connects by the gas lock hole of sealing device, connects gas push hole all the way all the way, described
The air pressure of gas lock hole changes with the system air pressure change sealed by mechanical seal, its output pressure is default higher than system air pressure
Value, the gas push hole air pressure change with gas lock hole air pressure change, its output pressure is higher than the preset value of gas lock air pressure.
Further, gas control component receives the system pressure sealed by mechanically-sealing apparatus, the control as gas control component
Pressure inputs, it will adjust main pressure regulator valve output pressure.
Further, pressure gauge, the pressure gauge connection main pressure regulator valve, secondary pressure regulator valve are further included, and is imported for detecting
Main pressure regulator valve and the system pressure in secondary pressure regulator valve.
The beneficial effects of the utility model are：
The utility model structure provides a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus, employs gas control
Formula control mode, air pressure automatic adjusument, available for hazardous environment, the seal pressure of Pneumatic-control type mechanical seal realizes exterior tune
Section, rather than internal preset spring, suitable for the gas pressure of system fluctuation.It can realize and automatically control and monitor on-line sealing
Failure.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model structure diagram.
Fig. 2 is the leaf stomatal resistance figure of the utility model.
In figure：1st, main filter, 2, secondary filter, 3, partition plate, 4, T-shaped partition plate, 5, pressure gauge, 6, main pressure regulator valve, 7, secondary
Pressure regulator valve.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
As shown in Fig. 1~2, the utility model provides a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus,
Including main filter 1, secondary filter 2, partition plate 3, T-shaped partition plate 4, pressure gauge 5, main pressure regulator valve 6, secondary pressure regulator valve 7, the main filtering
Device 1 is connected by a gas outlet of connecting partition 3 and T-shaped partition plate 4 with 6 air inlet of main pressure regulator valve, T-shaped partition plate 4 another
Gas outlet is connected with secondary 7 air inlet of pressure regulator valve, and the gas outlet of the main pressure regulator valve 6 and the gas lock hole N1 of mechanically-sealing apparatus connect
Connect, the gas push hole N3 connections of the venthole and mechanically-sealing apparatus of the pair pressure regulator valve 7, and the venthole of main pressure regulator valve separates one
Road tracheae is connected to the pilot hole of secondary pressure regulator valve, and tracheae passes through secondary mistake all the way for the system pressure extraction sealed by mechanically-sealing apparatus
Filter 2 is connected to the pilot hole of main pressure regulator valve 6, and the pressure gauge 5 connects main pressure regulator valve 6, secondary pressure regulator valve 7, and is imported for detecting
Main pressure regulator valve 6 and the system pressure in secondary pressure regulator valve 7.
The partition plate 2 is straight-through, and the T-shaped partition plate 3 is threeway.
Gas control component exports two-way, connects all the way by the gas lock hole N1 of sealing device, connects gas push hole N2, N3, the gas all the way
Lockhole N1 air pressures change with the system air pressure change sealed by mechanical seal, its output pressure is default higher than system air pressure
Value, gas push hole N2, the N3 air pressure change with gas lock hole air pressure change, its output pressure is higher than the preset value of gas lock air pressure.
Gas control component receives the system pressure sealed by mechanically-sealing apparatus, and the control pressure as gas control component inputs,
It will adjust main pressure regulator valve output pressure.
In order to protrude utility model content, leaf stomatal resistance figure is enclosed, as shown in Figure 2.
Gas push hole N3 detects pressure in system, and pressure signal is reached peripheral hardware gas control component, and main pressure regulator valve 6 receives
One compressed air is exported after pressure signal and is input to N1 gas locks hole, while inputting compressed air, in peripheral hardware gas control component
Secondary pressure regulator valve 7 detects its pressure, and the compressed air for exporting certain pressure is entirely controlled by peripheral hardware gas control group to gas push hole N2
Part is automatically performed.
Above-described the utility model embodiment, does not form the restriction to scope of protection of the utility model, any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (5)
1. a kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus, it is characterised in that including main filter, secondary filtering
Device, partition plate, T-shaped partition plate, main pressure regulator valve, secondary pressure regulator valve, the main filter pass through connecting partition and an outlet of T-shaped partition plate
Mouth is connected with main pressure regulator valve air inlet, another gas outlet of T-shaped partition plate is connected with secondary pressure regulator valve air inlet, the main pressure regulator valve
Gas outlet and the gas lock hole of mechanically-sealing apparatus connect, the pair venthole of the pressure regulator valve and gas push hole of mechanically-sealing apparatus
Connection, and the venthole of main pressure regulator valve separates the pilot hole that tracheae all the way is connected to secondary pressure regulator valve, is sealed by mechanically-sealing apparatus
System pressure extraction tracheae is connected to the pilot hole of main pressure regulator valve by secondary filter all the way.
2. the peripheral hardware gas control component according to claim 1 for Pneumatic-control type mechanically-sealing apparatus, it is characterised in that described
Partition plate is straight-through, and the T-shaped partition plate is threeway.
3. the peripheral hardware gas control component according to claim 1 for Pneumatic-control type mechanically-sealing apparatus, it is characterised in that gas control
Component exports two-way, connects all the way by the gas lock hole of sealing device, connects gas push hole all the way, gas lock hole air pressure is with by mechanical seal
The system air pressure change that is sealed and change, its output pressure is higher than the preset value of system air pressure, and the gas push hole air pressure is with gas
Lockhole air pressure change and change, its output pressure be higher than gas lock air pressure preset value.
4. the peripheral hardware gas control component according to claim 1 for Pneumatic-control type mechanically-sealing apparatus, it is characterised in that gas control
Component receives the system pressure sealed by mechanically-sealing apparatus, and the control pressure as gas control component inputs, it will adjust homophony
Pressure valve output pressure.
5. the peripheral hardware gas control component according to claim 1 for Pneumatic-control type mechanically-sealing apparatus, it is characterised in that also wrap
Include pressure gauge, the pressure gauge connection main pressure regulator valve, secondary pressure regulator valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157794.8U CN207230171U (en) | 2017-09-11 | 2017-09-11 | A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157794.8U CN207230171U (en) | 2017-09-11 | 2017-09-11 | A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207230171U true CN207230171U (en) | 2018-04-13 |
Family
ID=61861420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721157794.8U Active CN207230171U (en) | 2017-09-11 | 2017-09-11 | A kind of peripheral hardware gas control component for Pneumatic-control type mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207230171U (en) |
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2017
- 2017-09-11 CN CN201721157794.8U patent/CN207230171U/en active Active
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