CN107497207A - The blowdown control method and structure, drier of fore filter in drier - Google Patents
The blowdown control method and structure, drier of fore filter in drier Download PDFInfo
- Publication number
- CN107497207A CN107497207A CN201710875437.3A CN201710875437A CN107497207A CN 107497207 A CN107497207 A CN 107497207A CN 201710875437 A CN201710875437 A CN 201710875437A CN 107497207 A CN107497207 A CN 107497207A
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- CN
- China
- Prior art keywords
- way valve
- fore filter
- blowdown
- control
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
Abstract
The blowdown control method of fore filter in drier, it is characterized in that gas control two-way valve is installed on the blow-off pipe of fore filter, blowdown control is carried out to fore filter with gas control two-way valve, gas control two-way valve connects with the regenerator residual gas outlet side of adsorption dehumifier, the residual gas for making to discharge before regenerator regenerative response enters in gas control two-way valve, drive gas control two-way valve in top, fore filter blowdown is opened, with the reduction of gas pressure, gas control two-way valve is closed automatically, fore filter blowdown terminates, and realizes the blowdown control to fore filter.The present invention is according to the operation logic of absorption type dryer, with reference to the blowdown demand of fore filter, designs the blowdown control method of fore filter, realize the periodicity automatic pollution discharge of fore filter, simplify structure, reduce energy resource consumption, the present invention also provides a kind of blowdown control method and drier.
Description
Technical field
The present invention relates to a kind of blowdown control method of fore filter in drier and structure, belong to air dryer skill
Art field, the invention further relates to a kind of drier.
Background technology
The absorption type dryer used on vehicle, fore filter is all fitted with the leading portion of drier.Prefilter
The effect of device is that compressed air is carried out into processing at initial stage, filter liquid state water, oil stain and particle dust.The lower end of fore filter
Magnetic valve can be housed, magnetic valve is controlled in the range of a time cycle, the liquid that will can be adsorbed in fore filter
State water, oil stain and particle dust discharge, have the function that repetition is filtered.And control to magnetic valve is matched, it is necessary to consume electric energy
Corresponding automatically controlled circuit, complex designing, and energy dissipating is big.
The related existing patent retrieved：CN206168054U, it is related to the pollution discharge structure of a kind of fore filter and preposition
Filter, including valve casing, the valve element in valve casing and the knob for driving Spool rotating, in addition to clip spring structure, knob
Including rotating part and knob department of assembly, annular slot is provided with outside knob department of assembly, the end of knob department of assembly is provided with and valve element
The pilot hole of drive shaft adaptation；Valve casing is provided with the valve casing department of assembly being adapted to knob department of assembly, and valve casing department of assembly side is provided with limit
Position groove；Knob department of assembly, valve casing department of assembly and valve element drive shaft axially connect, and by clip spring structure, stopper slot and annular slot
Cooperation fixed；Valve element drive shaft can be relative to valve casing synchronous axial system with knob.Blowdown of this scheme to fore filter
Structure is designed, and by the rotation of knob, realizes the keying of valve element, so as to realize that the blowdown of fore filter controls, but is revolved
Button rotates to be manual control, is not to automatically control.
Therefore, according to the operation logic of absorption type dryer, with reference to the blowdown demand of fore filter, simplify makes on vehicle
The structure of drier, reduces the consumption of the energy, and realizes the periodicity automatic pollution discharge of fore filter, is research of the present invention
Direction.
The content of the invention
The blowdown control method of fore filter in drier provided by the invention, it is former according to the operation of absorption type dryer
Reason, with reference to the blowdown demand of fore filter, the blowdown control method of fore filter is designed, realizes the cycle of fore filter
Property automatic pollution discharge, simplify structure, reduce energy resource consumption, the invention further relates to a kind of blowdown control method and drier.
It is to reach above-mentioned purpose the technical solution adopted by the present invention：
The blowdown control method of fore filter in drier, it is characterised in that install gas control on the blow-off pipe of fore filter
Two-way valve, carry out blowdown control to fore filter with gas control two-way valve, the regenerator of gas control two-way valve and adsorption dehumifier is residual
Remaining gas discharge end connection, the residual gas for making to discharge before regenerator regenerative response enter in gas control two-way valve, and gas control two is opened on top
Port valve, fore filter blowdown are opened, and with the reduction of gas pressure, gas control two-way valve is closed automatically, fore filter blowdown
Terminate, realize the blowdown control to fore filter.
Preferably, connected using the residual gas outlet side of three-way interface and regenerator, three-way interface one end and gas control two
Port valve connects, the other end and atmosphere, and the residual gas discharged before regenerator regenerative response enters gas through three-way interface part
Control in two-way valve.
Preferably, the automatic control combination valve connection of the residual gas outlet side of described three-way interface one end and regenerator, leads to
The circulation for crossing automatic control combination valve is opened, and realizes that the circulation of gas control two-way valve is opened, and by adjusting the unlatching week of automatic control combination valve
Phase, to adjust the unlatching cycle of gas control two-way valve.
Preferably, the setting height(from bottom) where gas control two-way valve is higher than the place height of three-way interface, and gas control two-way valve is located at
The oblique upper of three-way interface.
Preferably, regulating valve is installed additional in one end of three-way interface and atmosphere, regulation three-way interface is connected with air
The throughput of one end, realize the regulation to gas control two-way valve single opening time.
Preferably, regulating valve is adjusted, the when a length of 0.5 ~ 1S for opening gas control two-way valve single.
Preferably, connected between three-way interface and two logical two-way valves using corrugated flexible metal tube, and corrugated flexible metal tube
Bore is less than the port inner diameter of three-way interface.
Preferably, the sewage discharging regulation valve for adjusting blowdown flow is installed on the blow-off pipe of fore filter, it is described
Sewage discharging regulation valve is located at the top of gas control two-way valve.
Blowdown control structure in above-described drier in the blowdown control method of fore filter, it is characterised in that
Gas control two-way valve, the regenerator residual gas discharge of gas control two-way valve and adsorption dehumifier are housed on the blow-off pipe of fore filter
End connection, the residual gas for making to discharge before regenerator regenerative response enter in gas control two-way valve, and gas control two-way valve is driven on top, with gas
The reduction of body pressure, gas control two-way valve are closed automatically.
Drier, including adsorption dehumifier and fore filter, it is characterised in that also controlled including above-described blowdown
Structure.
The present invention according to the operation logic of attached formula drier, using the regenerator of drier before each regenerative response all
Need to discharge the residual gas in preceding tower, the air pressure of residual gas has certain discharge duration typically in 0.8MPa or so
Running, the gas control two-way valve on fore filter blow-off pipe is connected with regenerator residual gas outlet side, makes remnants
Gas enters in gas control two-way valve, drives gas control two-way valve by the air pressure top of residual gas, fore filter blowdown is opened, remaining
When gas atmosphere is reduced, gas control two-way valve will turn off, and fore filter blowdown terminates, and realize the blowdown to fore filter
Control.
Gas control two-way valve is pushed up and opened automatically by the entrance of regenerator residual gas, is closed automatically with the reduction of air pressure, nothing
Electric energy need to be used, without corresponding automatically controlled circuit is matched, the structure of fore filter blowdown end is more simplified, and suitable vehicle makes
With need not consume electric energy during blowdown and similarly realize drain contamination automatic control to fore filter, energy-conserving and environment-protective.Moreover,
The discharge of residual gas is periodically to carry out in regenerator, is periodically opened so gas control two-way valve can also be realized, so as to real
The periodicity automatic pollution discharge of existing fore filter.
Brief description of the drawings
Fig. 1 is the structural representation of the drier of the present invention.
Embodiment
1 pair of embodiments of the invention elaborates below in conjunction with the accompanying drawings.
The blowdown control method of fore filter in drier, it is characterised in that pacify on the blow-off pipe of fore filter 2
Gas control two-way valve 3 is filled, blowdown control, gas control two-way valve 3 and adsorption dehumifier 1 are carried out to fore filter 2 with gas control two-way valve 3
The connection of regenerator B residual gas outlet side, the residual gas for making to discharge before regenerator B regenerative responses enters gas control two-way valve 3
In, gas control two-way valve is driven on top, and the blowdown of fore filter 2 is opened, and with the reduction of gas pressure, gas control two-way valve 3 is closed automatically,
The blowdown of fore filter 2 terminates, and realizes the blowdown control to fore filter 2.
As shown in figure 1, installed gas control two-way valve 3 on the blow-off pipe of the bottom of fore filter 2 additional, gas control two-way valve 3 and suction
The residual gas outlet side of the regenerator B bottoms of attached drying tower 1 connects, and the residual gas for having certain air pressure in regenerator B enters
Enter in gas control two-way valve 3, the top of gas control two-way valve 3 is opened, when gas control two-way valve 3 is opened by top, the blow-off pipe of fore filter 2 is beaten
Open, discharge filter liquid state water, oil stain and particle dust in fore filter 2, be decreased to can not be again when the air pressure of residual gas
Gas control two-way valve 3 is driven on top, and gas control two-way valve 3 will close, and the blow-off pipe of fore filter will stop blowdown, because regenerator B is residual
The discharge of residual air body is periodically to carry out, therefore when regenerator discharges residual gas every time, the blow-off pipe of fore filter 2 is all
Carry out blowdown can be opened, realizes the periodicity blowdown of fore filter 2.Wherein, replaced with gas control two-way valve of the prior art
Automatic control combination valve, the unlatching kinetic energy with the air pressure of regenerator B residual gas as gas control two-way valve, instead of automatic control combination valve
Electric energy is opened, you can the periodicity blowdown of fore filter 2 is realized, and without the blowdown end complex designing in fore filter 2
Automatically controlled circuit, without consumption electric energy, environmental protection and energy saving, and simple in construction are suitably on vehicle and used.
Wherein, it is connected using three-way interface 4 with regenerator B residual gas outlet side, the one end of three-way interface 4 and gas control two
Port valve 3 connects, the other end and atmosphere, and the residual gas discharged before regenerator B regenerative responses enters through the part of three-way interface 4
In gas control two-way valve 3, another part enters in air, because the effect of regenerator B residual gas outlet side is in order to again
Raw tower B regenerative responses carry out pressure release to it, are connected using three-way interface 4 with the residual gas outlet side of regenerator, that is, play pair
The effect of regenerator B pressure releases, play a part of being connected with gas control two-way valve 3 again, so as to simplify regenerator B residual gas outlet sides
Structure.
Wherein, described one end of three-way interface 4 is connected with the automatic control combination valve B1 of regenerator B residual gas outlet side,
Opened by automatic control combination valve B1 circulation, realize that the circulation of gas control two-way valve 3 is opened, and by adjusting automatic control combination valve B1's
The cycle is opened, to adjust the unlatching cycle of gas control two-way valve 3.Because regenerator B residual gas outlet side in the prior art
Unlatching is controlled by automatic control combination valve, i.e., regenerator B residual gas is to open and arrange according to automatic control combination valve B1 periodicity
Go out, therefore the automatic control combination valve B1 unlatching cycle, equal to the unlatching cycle of gas control two-way valve 3.Such as automatic control combination valve B1 is
Once, then it is one minute that it, which opens cycle, and unlatching cycle of gas control two-way valve 3 is also one minute for unlatching per minute, extend or
Shorten the automatic control combination valve B1 unlatching cycle, the unlatching cycle of gas control two-way valve 2 also extends or shortened therewith.
Wherein, the setting height(from bottom) where gas control two-way valve 3 is higher than the place height of three-way interface 4, and gas control two-way valve 3 is located at
The oblique upper of three-way interface 4, prevent the residual moisture in regenerator B from flowing backward in gas control two-way valve 3, cause gas control two-way valve 3
Interior waterlogged damage.
Wherein, regulating valve 5 is installed additional in one end of three-way interface 4 and atmosphere, regulation three-way interface 4 is connected with air
The throughput of one end, realize the regulation to the single opening time of gas control two-way valve 3.Regulating valve 5 can be adjusted into air
The flow of residual gas, i.e. regulation enter the decompression rate of the residual gas of gas control two-way valve 3, and residual gas enters in air
Flow is smaller, and the decompression rate into the residual gas of gas control two-way valve 3 is slower, then the duration that gas control two-way valve 3 is opened by top is more
It is long, so as to extend the blowdown duration of fore filter blow-off pipe, blowdown duration that is on the contrary then shortening fore filter blow-off pipe.It is right
Regulating valve 5 is adjusted, make the single of gas control two-way valve 3 open when a length of 0.5 ~ 1S, i.e. fore filter single blowdown when
A length of 0.5 ~ 1S, the blowdown demand of fore filter 2 can be met.
Wherein, three-way interface 4 and two is connected between leading to two-way valve 3 using corrugated flexible metal tube 5, and connection compactness is good, no
Perishable gas leakage, and the bore of corrugated flexible metal tube 5 is less than the port inner diameter of three-way interface 4, ensures that residual gas passes through ripple
After the water conservancy diversion of line metal hose 5, air pressure will not reduce excessively, and the length of corrugated flexible metal tube 5 is all in the base for meeting connection requirement
Length should try one's best shortening on plinth, prevent that the air pressure that residual gas enters in gas control two-way valve 3 is too small, can not push up open gas control two-way valve
3。
Wherein, the sewage discharging regulation valve 21 for adjusting blowdown flow is installed on the blow-off pipe of fore filter 2, it is described
Sewage discharging regulation valve 21 is located at the top of gas control two-way valve 3, and the blowdown of the blow-off pipe of fore filter 2 is adjusted with sewage discharging regulation valve 21
Flow, prevent that the discharge of sewage is excessive or too small in blow-off pipe, influences the filter effect of fore filter 2.
The present invention also protects the blowdown control knot in the blowdown control method of fore filter in above-described drier
Structure, it is characterised in that gas control two-way valve 3, gas control two-way valve 3 and adsorption dehumifier 1 are housed on the blow-off pipe of fore filter 2
Regenerator B residual gas outlet side connects, and the residual gas for making to discharge before regenerator B regenerative responses enters in gas control two-way valve 3,
Gas control two-way valve is driven on top, and with the reduction of gas pressure, gas control two-way valve 3 is closed automatically.Above-described blowdown control structure,
It is simple in construction, automatically controlled circuit is arranged without the blowdown end in fore filter 2, does not also consume electric energy, but utilize regenerator B again
The air pressure of the residual gas of discharge opens the top of gas control two-way valve 3 before raw reaction, realizes the periodicity blowdown of fore filter 2, saves
Can be environmentally friendly, it is adapted to promote the use of on vehicle.
The present invention also protects drier, including adsorption dehumifier 1 and fore filter 2, it is characterised in that more than also including
Described blowdown control structure.The structure of drier is simpler, and energy resource consumption rate is lower, energy-conserving and environment-protective, is adapted to make on vehicle
With.
Completely description is carried out to the technical scheme of embodiments of the invention, it is necessary to which explanation is described above in association with accompanying drawing
Embodiment be only the present invention part of the embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained on the premise of not making creative work, belongs to the scope of protection of the invention.
Claims (10)
1. the blowdown control method of fore filter in drier, it is characterised in that in fore filter（2）Blow-off pipe on pacify
Fill gas control two-way valve（3）, with gas control two-way valve（3）To fore filter（2）Carry out blowdown control, gas control two-way valve（3）With suction
Attached drier（1）Regenerator（B）Residual gas outlet side connects, and makes regenerator（B）The residual gas discharged before regenerative response
Into gas control two-way valve（3）In, gas control two-way valve, fore filter are opened in top（2）Blowdown is opened, with the reduction of gas pressure,
Gas control two-way valve（3）It is automatic to close, fore filter（2）Blowdown terminates, and realizes to fore filter（2）Blowdown control.
2. the blowdown control method of fore filter in drier according to claim 1, it is characterised in that using threeway
Interface（4）With regenerator（B）Residual gas outlet side connection, three-way interface（4）One end and gas control two-way valve（3）Connection, separately
One end and atmosphere, regenerator（B）The residual gas discharged before regenerative response is through three-way interface（4）It is logical that part enters gas control two
Valve（3）In.
3. the blowdown control method of fore filter in drier according to claim 2, it is characterised in that described three
Connect mouth（4）One end and regenerator（B）Residual gas outlet side automatic control combination valve（B1）Connection, passes through automatic control combination valve
（B1）Circulation open, realize gas control two-way valve（3）Circulation open, and by adjusting automatic control combination valve（B1）Unlatching week
Phase, to adjust gas control two-way valve（3）The unlatching cycle.
4. the blowdown control method of fore filter in drier according to claim 2, it is characterised in that gas control two is logical
Valve（3）The setting height(from bottom) at place is higher than three-way interface（4）Place height, gas control two-way valve（3）Positioned at three-way interface（4）It is oblique
Top.
5. the blowdown control method of fore filter in drier according to claim 2, it is characterised in that connected three
Mouthful（4）Regulating valve is installed additional with one end of atmosphere（5）, adjust three-way interface（4）The throughput of the one end being connected with air, it is real
Now to gas control two-way valve（3）The regulation of single opening time.
6. the blowdown control method of fore filter in drier according to claim 5, it is characterised in that to regulating valve
（5）It is adjusted, makes gas control two-way valve（3）When a length of 0.5 ~ 1S that single is opened.
7. the blowdown control method of fore filter in drier according to claim 4, it is characterised in that three-way interface
（4）With two logical two-way valves（3）Between use corrugated flexible metal tube（5）Connection, and corrugated flexible metal tube（5）Bore be less than three
Connect mouth（4）Port inner diameter.
8. the blowdown control method of fore filter in drier according to claim 1, it is characterised in that in preposition mistake
Filter（2）Blow-off pipe on sewage discharging regulation valve for adjusting blowdown flow is installed（21）, described sewage discharging regulation valve（21）Position
In gas control two-way valve（3）Top.
9. the row in the drier described in claim 1 to any one of claim 8 in the blowdown control method of fore filter
Dirty control structure, it is characterised in that fore filter（2）Blow-off pipe on gas control two-way valve is housed（3）, gas control two-way valve（3）With
Adsorption dehumifier（1）Regenerator（B）Residual gas outlet side connects, and makes regenerator（B）The residual gas discharged before regenerative response
Body enters gas control two-way valve（3）In, gas control two-way valve is driven on top（3）, with the reduction of gas pressure, gas control two-way valve（3）Automatically
Close.
10. drier, including adsorption dehumifier（1）And fore filter（2）, it is characterised in that also including described in claim 9
Blowdown control structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875437.3A CN107497207B (en) | 2017-09-25 | 2017-09-25 | The blowdown control method and structure, drier of fore filter in drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875437.3A CN107497207B (en) | 2017-09-25 | 2017-09-25 | The blowdown control method and structure, drier of fore filter in drier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107497207A true CN107497207A (en) | 2017-12-22 |
| CN107497207B CN107497207B (en) | 2019-10-29 |
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ID=60698709
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710875437.3A Active CN107497207B (en) | 2017-09-25 | 2017-09-25 | The blowdown control method and structure, drier of fore filter in drier |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000297A1 (en) * | 1990-01-08 | 1991-08-08 | Rolf Backhauss | Alternately operating regeneratable air-drying filters - for bleed pipe in large propellant fuel storage tank |
| CN205261205U (en) * | 2015-11-30 | 2016-05-25 | 金川集团股份有限公司 | Pressure vessel's waste fitting discharging |
| CN106139760A (en) * | 2016-08-25 | 2016-11-23 | 合肥超赢工业设计有限公司 | A kind of sparkproof sack cleaner |
| CN205925249U (en) * | 2016-08-21 | 2017-02-08 | 山东格润内泽姆环保科技有限公司 | Online monitored control system of sack cleaner |
-
2017
- 2017-09-25 CN CN201710875437.3A patent/CN107497207B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000297A1 (en) * | 1990-01-08 | 1991-08-08 | Rolf Backhauss | Alternately operating regeneratable air-drying filters - for bleed pipe in large propellant fuel storage tank |
| CN205261205U (en) * | 2015-11-30 | 2016-05-25 | 金川集团股份有限公司 | Pressure vessel's waste fitting discharging |
| CN205925249U (en) * | 2016-08-21 | 2017-02-08 | 山东格润内泽姆环保科技有限公司 | Online monitored control system of sack cleaner |
| CN106139760A (en) * | 2016-08-25 | 2016-11-23 | 合肥超赢工业设计有限公司 | A kind of sparkproof sack cleaner |
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| Publication number | Publication date |
|---|---|
| CN107497207B (en) | 2019-10-29 |
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Effective date of registration: 20190515 Address after: 412001 A5-1 District, Tianxin hi tech park, Shifeng District, Zhuzhou, Hunan Applicant after: ZHUZHOU YIXING TECHNOLOGY CO., LTD. Address before: 412001 A5-1 District, Tianxin hi tech park, Shifeng District, Zhuzhou, Hunan Applicant before: Zhuzhou Star Air Intelligent Technology Co.,. |
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