CN107727185A - A kind of online air measuring anti-clogging of automatic control - Google Patents
A kind of online air measuring anti-clogging of automatic control Download PDFInfo
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- CN107727185A CN107727185A CN201710913971.9A CN201710913971A CN107727185A CN 107727185 A CN107727185 A CN 107727185A CN 201710913971 A CN201710913971 A CN 201710913971A CN 107727185 A CN107727185 A CN 107727185A
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- cabinet
- automatic control
- clogging
- projection
- fixture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of online air measuring anti-clogging of automatic control, including cabinet, it is characterised in that：Also include, locking unit, it is arranged on the cabinet, including revolving part and fixture, and the revolving part is arranged on the outside of the cabinet, the fixture is arranged on the inside of the cabinet, and the other end of the revolving part is provided with projection, the projection is arranged on the inner side of the cabinet, including long side and short side；Wherein, during the revolving part original state, the long side of the projection props up the fixture, the cabinet locking；Rotate the revolving part so that the long side of the projection leaves the fixture, and the cabinet is opened.The online air measuring anti-clogging of automatic control of the present invention contains remote control program, on-site manual program and automatic control program by logical signal control technology; and have to differential pressure transmitter and signal protection and function of shielding, adapt to measurement pressure medium higher range function.
Description
Technical field
The present invention relates to automatic control technology field, more particularly, it relates to being capable of the anti-blocking purging dress of the online air measuring of automatic control
Put.
Background technology
The online air measuring anti-clogging of automatic control, abbreviation LSP blow devices.It is mainly used in differential pressure flowmeter measurement
Gas supports the use, and its effect is reverse blow flowmeter pressure passageway, prevents the things such as dust in medium, particle, tar, fiber
Block, widened flow meter applications scope, flowmeter is kept high-acruracy survey for a long time.
In boiler, operation of blast furnace, some important parameters (furnace pressure, flue gas pressures, flow, coal-grinding fan delivery, once
Wind air quantity, Secondary Air air quantity, TRT coal gas, blast furnace gas and coal gas of converter etc.).Due to unavoidably containing dust, Jiao in medium
The materials such as oil, fiber, aqueous vapor, often often influenceed in flow is measured because blocking pressure port or even flow can not be measured, given
Boiler and blast fumance cause safely very big hidden danger.Conventional method is when condition is permitted, extracts flow-meter probe cleaning purging
To clean, in scale removal process, all flow signals interrupt, and can not monitor running situation, and particularly coal gas application scenario difficulty is bigger,
Coal gas can not be interrupted even for large-scale manufacturing enterprise, clears up flowmeter.Many enterprises, which claim, can realize online purging, blow
Control is swept to ensure safety and production.It is reported that at present there is no effective workaround, there are indivedual enterprises also to try out external similar
Product, performance can not meet that operating mode uses, and effect is unsatisfactory to be abandoned in succession.Given this background, we are from meeting operating mode need
Ask, by nearly effort in 1 year, develop the online blow devices of LSP, through being used 2 years, obtain good effect more.
The content of the invention
The purpose of this part is to summarize some aspects of embodiments of the invention and briefly introduce some preferably to implement
Example.It may do a little simplified or be omitted to avoid making our department in this part and the description of the present application summary and denomination of invention
Point, the purpose of specification digest and denomination of invention obscure, and this simplification or omit and cannot be used for limiting the scope of the present invention.
In view of problem present in above-mentioned and/or existing boiler, it is proposed that the present invention.
Therefore, the one of purpose of the present invention is set by control device internal processes, and solenoid valve system is patrolled
Break-make control is collected, with the compressed gas higher than manifold pressure, flowmeter pressure sampling channel is carried out respectively in a short time
Purging, so as to reach the purpose for removing plug thing.
In order to solve the above technical problems, the present invention provides following technical scheme：A kind of online air measuring of automatic control is anti-blocking to be blown
Sweeping device, including cabinet, it is characterised in that：Also include, locking unit, be arranged on the cabinet, including revolving part and fixation
Part, and the revolving part is arranged on the outside of the cabinet, the fixture is arranged on the inside of the cabinet, the revolving part
The other end be provided with projection, the projection is arranged on the inner side of the cabinet, including long side and short side；Wherein, the revolving part
During original state, the long side of the projection props up the fixture, the cabinet locking；Rotate the revolving part so that described
The long side of projection leaves the fixture, and the cabinet is opened.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：It is described solid
Determining part includes fixed plate and locating piece, and the fixed plate is L-type, and one end is sheathed on the revolving part, and the other end is provided with positioning hole,
The locating piece is connected through the positioning hole with the fixed plate, is additionally provided with the fixed plate medial launder and props up block, institute
State and prop up block protrusion on the surface of medial launder；It is provided with the first elastic component between the locating piece and the fixed plate, described first
One end of elastic component is contradicted in the fixed plate, and the other end is contradicted to the protruding end of the locating piece, the locating piece is existed
Resetted after compression.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：The cabinet
Internal portion is provided with the first groove, and first groove is engaged with the locating piece；Wherein, during the revolving part original state,
The long side of the projection props up the fixture so that first groove blocks cooperation, the cabinet lock with the locating piece
Tightly；Rotate the revolving part so that the long side of the projection leaves the fixture so that first groove and the positioning
Block is separated, and the cabinet is opened.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：The rotation
Turn part, in addition to, handle, the outside of the cabinet is arranged on, passes through revolving part described in the rotatable handle；Connecting rod, set
In the inner side of the cabinet, the handle and the projection are fixedly connected with, when the rotatable handle, the connecting rod and described
Projection is with the rotatable handle.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：The rotation
Turn part, in addition to, the 4th elastic component, the connecting rod is sheathed on, its one end is connected with the handle, and the other end is contradicted to institute
State the end face of fixed plate.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：The hand
Handle, including the second groove, second groove are arranged on the outside of the cabinet.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：Also include,
Positioning unit, including pressing piece and fastener, described fastener one end are provided with through hole, and the other end is provided with inclined plane, the pressing piece
The fastener, the fastener and second fit depressions are sheathed on by the through hole.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：The card
Part also includes square opening, and the second elastic component, one end and the square opening of second elastic component are provided with the square opening
Inner side end is connected, and the other end is vacantly set；When the revolving part pushes, the fixture contacts with the fastener, institute
State and prop up block and be engaged with second elastic component in the square opening.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：It is described to press
Casting die includes, baffle plate, has a diameter larger than the diameter of the through hole, with the handle in homonymy；Connecting pole, connect the baffle plate
And resetting block, it is in round table-like, and the diameter with the resetting block junction is more than with the diameter of the baffle plate junction.
As a kind of preferred scheme of the online air measuring anti-clogging of automatic control of the present invention, wherein：It is described to press
Casting die, in addition to, resetting block, the diameter of the through hole is had a diameter larger than, the opposite side of the fastener is arranged on, with the gear
Face where plate is opposed, and its lower end is provided with the 3rd elastic component, makes the reset block reset by the 3rd elastic component, drives institute
State pressing piece reset.
Beneficial effects of the present invention：The online air measuring anti-clogging of automatic control of the present invention controls skill by logical signal
Art contains remote control program, on-site manual program and automatic control program, and have to differential pressure transmitter flow signal protection and
Function of shielding, measurement pressure medium higher range function is adapted to, and to ensure the sealing of device, present apparatus use will press
Combined with rotation, realize the function of self-locking.The present apparatus changes easily to be blocked in former measurement medium containing things such as dust, tar, fibers
Flowmeter pressure port phenomenon.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, it can also be obtained according to these accompanying drawings other
Accompanying drawing.Wherein：
Fig. 1 is cabinet described in the first embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Overall structure diagram；
Fig. 2 is revolving part described in the first embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Overall structure diagram；
Fig. 3 is fixture described in the first embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Overall structure of the explosion figure；
Fig. 4 is cabinet described in the first embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Internal close-up schematic view；
Fig. 5 is to position list described in second of embodiment that the online air measuring anti-clogging of automatic control of the present invention provides
The overall structure diagram of member；
Fig. 6 is pressing piece described in second of embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Overall structure diagram；
Fig. 7 is fastener described in second of embodiment of the online air measuring anti-clogging offer of automatic control of the present invention
Overall structure diagram；
Fig. 8 is the overall structure in second of embodiment that the online air measuring anti-clogging of automatic control of the present invention provides
Schematic diagram；
Fig. 9 is the overall structure in second of embodiment that the online air measuring anti-clogging of automatic control of the present invention provides
Schematic diagram；
When Figure 10 is the control in second of embodiment that the online air measuring anti-clogging of automatic control of the present invention provides
Sequence figure；
Figure 11 is two-way close in second of embodiment that the online air measuring anti-clogging of automatic control of the present invention provides
Seal solenoid valve block figure.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, with reference to Figure of description pair
The embodiment of the present invention is described in detail.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, " one embodiment " or " embodiment " referred to herein refers to may be included at least one realization side of the present invention
Special characteristic, structure or characteristic in formula." in one embodiment " that different places occur in this manual not refers both to
Same embodiment, nor the single or selective embodiment mutually exclusive with other embodiment.
Reference picture 1, for the entirety in the first embodiment of the online air measuring anti-clogging of automatic control of the present invention
Structural representation, the online air measuring anti-clogging of automatic control can realize automatic program control and realize to differential pressure transmitter
Protection, and adapt to measure pressure medium higher range function.
Programmable logic control system is introduced in the online air measuring anti-clogging of automatic control, system reaches according to each
The easily stifled degree of measuring point operating mode medium, arbitrarily selection self-timing purging moves in circles in the range of 0-24H, also sets up in a device
Have a manual purging function, when user thinks to need purging, can button dredge purging immediately.It is additionally provided with another control system long-range
Control purging function, thus can truly realize the control device being combined automatically with manual-remote.Because flow is surveyed
Changed in amount using differential pressure transmitter, due to the reason such as flow velocity is low especially in first flue gas wind, Secondary Air, substantially from elementary errors
Pressure transmitter.And differential pressure transmitter impacts intolerant to gases at high pressure, it is necessary to effectively protected, so gentle in the controls
Differential pressure transmitter is all effectively protected in the system of road.According to structural principle, realize that control is dynamic using magnetic valve in gas circuit is purged
Make.But magnetic valve only possesses one direction on-off function.Such as when opposite direction pressure reaches 5Kpa, magnetic valve cannot play closing and make
With.And because differential pressure measurement is definitely to be not allow for back draught even small leakage part will influence measurement differential pressure value and knot
Fruit.In air-channel system, we employ Tube improvement mode to reach the purpose that magnetic valve reversely seals.Reverse gas after improvement
Pressure≤800Kpa, gas is all without leaking in measurement pipe.In practice, certain external brand product reach in pipeline pressure >=
Also flow leakage can not be reversely closed during more than 5Kpa.
In the present embodiment, it is guarantee cabinet A sealing, the main body bag of the online air measuring anti-clogging of automatic control
Cabinet A and locking unit 100 are included, locking unit 100 is arranged on cabinet A, including revolving part 101 and fixture 102, revolving part
101 are arranged on cabinet A outside, and fixture 102 is arranged on cabinet A inside.Wherein, reference picture 2, revolving part 101 include convex
Block 101a, handle 101b, connecting rod 101c and the 4th elastic component 101d, handle 101b are arranged on cabinet A outside, pass through handle
101b rotates revolving part 101, and connecting rod 101c is arranged on cabinet A inner side, and is fixedly connected with handle 101b and projection 101a,
When handle 101b rotates, connecting rod 101c and projection 101a are with handle 101b rotations.Such as：Handle 101b is cabinet A's
Outside is rotated by 90 °, and the connecting rod 101c being fixedly connected with handle 101b phases rotates with 90 °, because projection 101a and connecting rod
101c is connected to a fixed, so projection 101a also rotates with 90 °.It should be noted that projection 101a includes long side and short side,
And long side is connected with short side with smooth curved surface, long side and short side are mutually perpendicular to, i.e. if under handle 101b original state,
Projection 101a is to prop up fixture 102 with long side, and now cabinet A is locked, when rotary handle 101b make projection 101a long side from
Fixture 102 is driven, i.e., in the present embodiment, the angle that projection 101a long side leaves fixture 102 and needs to rotate is 90 °, institute
During with, rotary handle 101b to 90 ° of relatively primitive position, cabinet A is opened.4th elastic component 101d is sheathed on connecting rod 101c,
Its one end is connected with handle 101b, and the other end is contradicted to fixed plate 102a end face.
Preferably, reference picture 3, fixture 102 includes fixed plate 102a and locating piece 102b, and fixed plate 102a is " L " type,
Its one end is sheathed on the connecting rod 101c of revolving part 101, and the other end is provided with positioning hole 102a-1, and locating piece 102b passes through positioning
Hole 102a-1 is connected with fixed plate 102a.Reference picture 8, fixed plate 102a are additionally provided with medial launder p, and medial launder p is arranged on fixation
Plate 102a center, and Central Symmetry, it is additionally provided with medial launder p and props up block 102a-2, props up block 102a-2 protrusions in centre
Groove p surface.Wherein, it is provided with the first elastic component 103 between locating piece 102b and fixed plate 102a, the first elastic component 103 can be with
It is spring, can is netted hollow compressible plastic cement, in the present embodiment, the first elastic component 103 is preferably spring.First elasticity
The one end of part 103 contradicts the other end on fixed plate 102a and contradicted to locating piece 102b protruding end, can by the first elastic component 103
Locating piece 102b is set to be resetted after being compressed.
Preferably, reference picture 4, are provided with the first groove b inside cabinet A, and the first groove b is engaged with locating piece 102b.
For example, when handle 101b is in original state, projection 101a long side props up locating piece 102b so that the first groove b is with determining
Position block 102b blocks cooperation, and now cabinet A is locked.When rotary handle 101b to the position of relative 90 ° of its initial position when
Wait, projection 101a long side leaves locating piece 102b, now, locating piece 102b be reset due to the first elastic component 103 (because
First elastic component 103 is changed into reset condition from compressive state, and the elastic potential energy being had is converted into power potential energy so that positioning
Block 102b resets), locating piece 102b after reset no longer produces opposing force with projection 101a, so now projection 101a and
Do not contacted between locating piece 102b, after projection 101a long side leaves locating piece 102b, projection 101a still with locating piece
102b is contacted, but is produced between the two without active force, then the first groove b would not be blocked mutually with locating piece 102b to be matched somebody with somebody
Close.
Second embodiment of the online air measuring anti-clogging of automatic control of the present invention, it is real that the embodiment is different from first
Apply example is：The main body of the device also includes positioning unit 200, can further be locked locking unit 100 by positioning unit 200
Determine and position.In one embodiment of the present invention, locking unit 100 passes through rotary handle 101b projections 101a and the
One groove b mutually blocks cooperation, realizes locking, then mutually divide by rotary handle 101b projections 101a and the first groove b
From realization separates.But this is in locking, it is necessary to there is external force to clasp handle 101b, its position is fixed on original that
Individual position.This defect is directed to, provides positioning unit 200 in the present embodiment.Reference picture 5, positioning unit 200 include pressing
Casting die 201 and fastener 202, reference picture 7, the one end of fastener 202 are provided with through hole 202a, and the other end is provided with inclined plane s, pressing piece
201 are sheathed on fastener 202 by through hole 202a.In the present embodiment, handle 101b includes the second groove 101b-2, and second is recessed
Groove 101b-2 is arranged on cabinet A outside, and the second groove 101b-2 is engaged with fastener 202.Reference picture 6, pressing piece 201 wrap
Baffle plate 201a, connecting pole 201b and resetting block 201c are included, baffle plate 201a diameter is more than through hole 202a diameter, with handle
101b is arranged on homonymy, and connecting pole 201b connection baffle plate 201a and resetting block 201c, it is in round table-like, and is connected with baffle plate 201a
The diameter at place is more than the diameter with resetting block 201c junctions, remains through hole 202a edge and connecting pole 201b table
Face is in contact.Resetting block 201c diameter is more than through hole 202a diameter, the opposite side of fastener 202 is arranged on, with baffle plate
Face where 201a is opposed, and its lower end is provided with the 3rd elastic component 201c-1, makes resetting block 201c by the 3rd elastic component 201c-1
Reset, and drive pressing piece 201 to reset.
Specifically, the main body of the online air measuring anti-clogging of automatic control includes cabinet A, locking unit 100 and positioning
Unit 200.Wherein, locking unit 100 is arranged on cabinet A, including revolving part 101 and fixture 102, revolving part 101 are set
In cabinet A outside, fixture 102 is arranged on cabinet A inside.Wherein, revolving part 101 include projection 101a, handle 101b,
Connecting rod 101c and the 4th elastic component 101d, handle 101b are arranged on cabinet A outside, make revolving part 101 by handle 101b
Rotation, connecting rod 101c is arranged on cabinet A inner side, and is fixedly connected with handle 101b and projection 101a, when handle 101b rotates
When, connecting rod 101c and projection 101a are with handle 101b rotations, and in the present embodiment, handle 101b also includes the second groove
101b-2.It should be noted that projection 101a includes long side and short side, and long side is connected with short side with smooth curved surface, long
Side and short side are mutually perpendicular to, i.e. if under handle 101b original state, projection 101a is to prop up fixture 102 with long side, now
Cabinet A is locked, when rotary handle 101b makes projection 101a long side leave fixture 102, i.e., in the present embodiment, projection 101a
Long side to leave fixture 102 to need the angle that rotates be 90 °, so, when rotary handle 101b is to 90 ° of relatively primitive position,
Cabinet A is opened.
Preferably, fixture 102 includes fixed plate 102a and locating piece 102b, fixed plate 102a is " L " type, its one end set
On the connecting rod 101c of revolving part 101, the other end is provided with positioning hole 102a-1, and locating piece 102b passes through positioning hole 102a-1
It is connected with fixed plate 102a.Fixed plate 102a is additionally provided with medial launder p, and medial launder p is arranged on fixed plate 102a center, and in
The heart is symmetrical, is additionally provided with medial launder p and props up block 102a-2, props up block 102a-2 protrusions on medial launder p surface.Wherein, it is fixed
The first elastic component 103 is provided between the block 102b and fixed plate 102a of position, the first elastic component 103 can be spring, can be netted
Hollow compressible plastic cement, in the present embodiment, the first elastic component 103 are preferably spring.The one end of first elastic component 103 is contradicted solid
The other end is contradicted to locating piece 102b protruding end on fixed board 102a, can make locating piece 102b in quilt by the first elastic component 103
Resetted after compression.
Preferably, the first groove b is provided with inside cabinet A, the first groove b is engaged with locating piece 102b.For example, work as hand
When handle 101b is in original state, projection 101a long side props up locating piece 102b so that the first groove b and locating piece 102b cards
Firmly coordinate, and now cabinet A is locked.When rotary handle 101b to relative 90 ° of its initial position position, projection 101a
Long side leave locating piece 102b, now, locating piece 102b is reset due to the first elastic component 103 (because the first elastic component
103 are changed into reset condition from compressive state, and the elastic potential energy being had is converted into power potential energy so that locating piece 102b is answered
Position), the locating piece 102b after reset no longer produces opposing force with projection 101a, so now projection 101a and locating piece
Do not contacted between 102b, after projection 101a long side leaves locating piece 102b, projection 101a still connects with locating piece 102b
Touch, but produced between the two without active force, then the first groove b and locating piece 102b would not mutually block cooperation.
Positioning unit 200 includes pressing piece 201 and fastener 202, and the one end of fastener 202 is provided with through hole 202a, and the other end is set
There is inclined plane s, pressing piece 201 is sheathed on fastener 202, fastener 202 and the second groove 101b-2 phase interworkings by through hole 202a
Close.Pressing piece 201 includes baffle plate 201a, connecting pole 201b and resetting block 201c, and baffle plate 201a diameter is more than through hole 202a
Diameter, be arranged on homonymy with handle 101b, connecting pole 201b connection baffle plate 201a and resetting block 201c, its in round table-like, and
Be more than the diameter with resetting block 201c junctions with the diameters of baffle plate 201a junctions, remain through hole 202a edge with
Connecting pole 201b surface is in contact.Resetting block 201c diameter is more than through hole 202a diameter, is arranged on the another of fastener 202
Side, opposed with face where baffle plate 201a, its lower end is provided with the 3rd elastic component 201c-1, is made by the 3rd elastic component 201c-1
Resetting block 201c resets, and drives pressing piece 201 to reset.
In the present embodiment, during reset condition, the groove 101b-2 of fastener 202 and second cooperates, and now handle
101b is in original state (i.e. vertical state), and projection 101a long side props up locating piece 102b so that the first groove b and positioning
Block 102b blocks cooperation, and now cabinet A is locked.Pressing piece 201 is pressed, connecting pole 201b is transported downwards in through hole 202a
Dynamic, because when connecting pole 201b is moved downward, its diameter is increasing, can band moved fastener 202 move down, fastener 202 and the
Two groove 101b-2 no longer coordinate, and fastener 202 comes off at the second groove 101b-2, and now handle 101b is because the 4th elastic component
101d and upspring, and after pressing piece 201 presses down, under the 3rd elastic component 201c-1 drive, soon reset.Hand
After handle 101b is ejected, when rotary handle 101b is to the position of 90 ° of its initial position relatively, projection 101a long side is left
Locating piece 102b, now, locating piece 102b are reset due to the first elastic component 103, the locating piece 102b after reset no longer with
Projection 101a produces opposing force, then the first groove b and locating piece 102b would not mutually block cooperation, cabinet A unblocks.
As a kind of preferred embodiment, fastener 202 also includes square opening 202b, and the second elastic component is provided with square opening 202b
202b-1, in such a preferred embodiment, the second elastic component 202b-1 can be with spring or flexible casting die, here
Preferably flexible casting die.Second elastic component 202b-1 one end is connected with square opening 202b inner side end, separately
One end is vacantly set.
When needing to lock cabinet A again, rotary handle 101b is returned to initial position, i.e. vertical state, handle
Pressed under 101b, now fixture 102 is in contact with fastener 202, props up before both block 102a-2 and square opening 202b work in coordination,
Can band moved fastener 202 move down a bit slightly, be easy under handle 101b by.Under inclined plane s of the handle 101b along fastener 202
Move, until fastener 202 is engaged in the second groove 101b-2, and is propped up block 101b-1 and square opening 202b and is cooperated, cabinet A
Shut and lock.
The present apparatus changes in former measurement medium and easily blocks flowmeter phenomenon containing things such as dust, tar, fibers.For example,
During the DRT gas pipings measurement of certain steel mill, original needs artificial unloading's flowmeter to clear up pressure hole plug for about 15-20 days or so
Thing, has that security risk, workload are larger, and scale removal process typically about needs 2 hours or so in operation, and in cleaning can only in
Disconnected measurement gas flow, so as to cause data imperfect.And automatic control is used after line blast pressure measuring block-proof purging device, DRT pipes
Road is run nearly 2 years, will not find to block pressure port phenomenon, so as to improve security measurement performance and eliminate manual cleaning work
When, make measurement continuously uninterrupted, flowmeter is kept high-acruracy survey for a long time, widened flow meter applications scope, achieve compared with
Good economic benefit.
The purge solenoid valve action timing diagram of schematic diagram and Figure 10 shown in reference picture 9, the online air measuring of automatic control are anti-blocking
Blow device is that logical signal processing break-make control is carried out to solenoid valve system by purging the setting of controller internal processes, with height
The high-low pressure sampling channel of flow-meter probe is purged in a short time in the compressed gas of pipeline pressure, so as to reach
Except the purpose of tamper.
Preferably, reference picture 10, online air measuring anti-clogging (LSP) the logical signal control technology of automatic control, also
Including teletransmission control program, on-site manual program, automatic control program, when effect is adjustable programming, control magnetic valve program
Between, order and on-site manual and teletransmission control the controller being integrated.
As a kind of preferred scheme, reference picture 11, Curve guide impeller pipeline of the present invention makes magnetic valve have resistance to reversely air pressure close
The effect of envelope, and magnetic valve is not because product structure reason is resistant to reverse pressurized seal, after installing one-way non-return part additional
Magnetic valve Bidirectional gas pressure be have effectively achieved as sealing.Reference picture 11, two way seal solenoid valve block include magnetic valve 301 and non-return
Valve 302, wherein, the differential pressure signal on magnetic valve transmits to magnetic valve, and the gases at high pressure in check-valves transmit downwards, and electromagnetism
It is passed up inside valve, realizes magnetic valve Bidirectional gas pressure and seal.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferable
The present invention is described in detail embodiment, it will be understood by those within the art that, can be to the technology of the present invention
Scheme is modified or equivalent substitution, and without departing from the spirit and scope of technical solution of the present invention, it all should cover in this hair
Among bright right.
Claims (10)
1. a kind of online air measuring anti-clogging of automatic control, including cabinet (A), it is characterised in that：Also include,
Locking unit (100), it is arranged on the cabinet (A), including revolving part (101) and fixture (102), and the rotation
Part (101) is arranged on the cabinet (A) outside, and the fixture (102) is arranged on the cabinet (A) inside, the rotation
The other end for turning part (101) is provided with projection (101a), and the projection (101a) is arranged on the cabinet (A) inner side, including length
Side and short side；
Wherein, during revolving part (101) original state, the long side of the projection (101a) props up the fixture (102), institute
State cabinet (A) locking；Rotate the revolving part (101) so that the long side of the projection (101a) leaves the fixture
(102), the cabinet (A) is opened.
2. the online air measuring anti-clogging of automatic control as claimed in claim 1, it is characterised in that：The fixture
(102) fixed plate (102a) and locating piece (102b) are included, the fixed plate (102a) is L-type, and one end is sheathed on the rotation
Part (101), the other end are provided with positioning hole (102a-1), the locating piece (102b) through the positioning hole (102a-1) with it is described
Fixed plate (102a) is connected, and is additionally provided with fixed plate (102a) medial launder and props up block (102a-2), described to prop up block
(102a-2) is protruded on the surface of medial launder；
The first elastic component (103), first elastic component are provided between the locating piece (102b) and the fixed plate (102a)
(103) one end is contradicted in the fixed plate (102a), and the other end is contradicted to the locating piece (102b) protruding end, makes institute
Locating piece (102b) is stated to reset upon compression.
3. the online air measuring anti-clogging of automatic control as claimed in claim 2, it is characterised in that：In the cabinet (A)
Portion is provided with the first groove (b), and first groove (b) is engaged with the locating piece (102b)；
Wherein, during revolving part (101) original state, the long side of the projection (101a) props up the fixture (102), makes
Obtain first groove (b) and block cooperation, cabinet (A) locking with the locating piece (102b)；Rotate the revolving part
(101) so that the long side of the projection (101a) leaves the fixture (102) so that first groove (b) with it is described fixed
Position block (102b) separation, the cabinet (A) are opened.
4. the online air measuring anti-clogging of automatic control as described in claims 1 to 3 is any, it is characterised in that：The rotation
Turn part (101), in addition to,
Handle (101b), the cabinet (A) outside is arranged on, the revolving part (101) is rotated by the handle (101b)；
Connecting rod (101c), the cabinet (A) inner side is arranged on, is fixedly connected with the handle (101b) and the projection
(101a), when the handle (101b) rotates, the connecting rod (101c) and the projection (101a) are with the handle
(101b) rotates.
5. the online air measuring anti-clogging of automatic control as claimed in claim 4, it is characterised in that：The revolving part
(101), in addition to, the 4th elastic component (101d), the connecting rod (101c), its one end and the handle (101b) phase are sheathed on
Connection, the other end are contradicted to the fixed plate (102a) end face.
6. the online air measuring anti-clogging of automatic control as described in claim 4 or 5, it is characterised in that：The handle
(101b), including the second groove (101b-2), second groove (101b-2) are arranged on the cabinet (A) outside.
7. the online air measuring anti-clogging of automatic control as claimed in claim 6, it is characterised in that：Also include, positioning is single
First (200), including pressing piece (201) and fastener (202), described fastener (202) one end are provided with through hole (202a), and the other end is set
There is inclined plane (s), the pressing piece (201) is sheathed on the fastener (202), the fastener by the through hole (202a)
(202) it is engaged with second groove (101b-2).
8. the online air measuring anti-clogging of automatic control as claimed in claim 7, it is characterised in that：The fastener (202)
Also include square opening (202b), the second elastic component (202b-1), second elastic component are provided with the square opening (202b)
The one end of (202b-1) is connected with the inner side end of the square opening (202b), and the other end is vacantly set；
When the revolving part (101) pushes, the fixture (102) contacts with the fastener (202), described to prop up block
(102a-2) is engaged with second elastic component (202b-1) in the square opening (202b).
9. the online air measuring anti-clogging of automatic control as claimed in claim 7 or 8, it is characterised in that：The pressing piece
(201) include,
Baffle plate (201a), the through hole (202a) diameter is had a diameter larger than, with the handle (101b) in homonymy；
Connecting pole (201b), the baffle plate (201a) and resetting block (201c) are connected, it is in round table-like, with the baffle plate (201a)
The diameter of junction is more than the diameter with the resetting block (201c) junction.
10. the online air measuring anti-clogging of automatic control as claimed in claim 9, it is characterised in that：Also include, magnetic valve
(301) and check-valves (302), the check-valves (302) are the Bidirectional gas pressure that one-way non-return part seals the magnetic valve (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913971.9A CN107727185B (en) | 2017-09-30 | 2017-09-30 | Anti-blocking purging device for automatic control online air volume measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913971.9A CN107727185B (en) | 2017-09-30 | 2017-09-30 | Anti-blocking purging device for automatic control online air volume measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107727185A true CN107727185A (en) | 2018-02-23 |
| CN107727185B CN107727185B (en) | 2020-09-08 |
Family
ID=61209428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710913971.9A Active CN107727185B (en) | 2017-09-30 | 2017-09-30 | Anti-blocking purging device for automatic control online air volume measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727185B (en) |
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| CN110079644A (en) * | 2019-06-11 | 2019-08-02 | 山东钢铁股份有限公司 | A kind of ladle purging control system |
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| CN201924703U (en) * | 2010-12-28 | 2011-08-10 | 宁波生久柜锁有限公司 | Prizing and scratching preventive planar lock |
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| Publication number | Publication date |
|---|---|
| CN107727185B (en) | 2020-09-08 |
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