CN107792675A - Accurate measuring device for fine granular materials air-transport system - Google Patents
Accurate measuring device for fine granular materials air-transport system Download PDFInfo
- Publication number
- CN107792675A CN107792675A CN201610803222.6A CN201610803222A CN107792675A CN 107792675 A CN107792675 A CN 107792675A CN 201610803222 A CN201610803222 A CN 201610803222A CN 107792675 A CN107792675 A CN 107792675A
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- Prior art keywords
- sending cans
- pressure sensor
- strength sending
- pipeline section
- measuring device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of accurate measuring device for fine granular materials air-transport system, including：Strength sending cans；The feed pipe being located in strength sending cans；The discharge nozzle being located in strength sending cans, feed pipe and discharge nozzle have telescopic bellows piece respectively；Material position inductor suitable for the material position of sensing material intracavitary material；It is adapted to detect for expecting the baroceptor of intracavitary air pressure；Be connected and be used for the counting device for counting feeding number with Distributed Control System；It is resiliently supported at the bottom of strength sending cans and the variable pressure sensor suitable for producing pressure signal corresponding with the inventory for expecting intracavitary in real time；Weighing instrument, weighing instrument are connected with variable pressure sensor and suitable for the pressure signal of variable pressure sensor are converted into gravitational cue and transmitted to Distributed Control System.Accurate measuring device according to embodiments of the present invention, realize the real-time of charging and accurately weigh, whole system is easy and effective, flexible and changeable and safe and reliable.
Description
Technical field
The present invention relates to materials-handling technology field, and in particular to a kind of that titanium slag and superfines are situated between by transport of fluid
The high-voltage high-speed conveying metering method of matter, the method for shipment or the improved method of equipment of similar metalliferous material are directed to,
More particularly, to a kind of accurate measuring device for fine granular materials air-transport system.
Background technology
High titanium slag is a kind of granule materials, and difference can be divided into coarse fraction slag and fine fraction slag, fine fraction according to requirements
Slag typically uses Geldart-D particle.Because the market price difference of coarse fraction slag and fine fraction slag is larger, generally strictly to control
The yield of fine fraction slag processed.So accurate measurement must be carried out in actual production to the real-time yield of fine particle stage material, and with
This data directly instructs the adjustment of front-end-of-line and the processing parameter of equipment.
High-voltage high-speed conveying metering method can operate with vast using fluid as transport medium but current mainly in high titanium slag powder
Used in last titanium slag conveying.Metal titanium slag is 0- by the way that titanium slag is divided into grain size intervals after broken, dry, grinding, screening process
0.6mm mixture, and the material of 0-0.1mm and 0.1-0.6mm grain size intervals is produced after classification and sorting.Wherein, 0-0.1mm grains
Degree material mainly is sent to fill using strength and stores and carry it to 200m3Fine fraction finished bin.
PLC in correlation technique employs triangular web, is only capable of realizing the pneumatic transportation of powder material, it is impossible to more comprehensive
, accurately, in real time obtain material transport weight True Data.Also, due to fine fraction 200m3Finished bin packing is brought down stocks
Often not in time, the timely acquisition of important creation data is more constrained, the accuracy of technique management and control has been had a strong impact on, has constrained
The high efficiency of production.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries
Go out a kind of accurate measuring device for fine granular materials air-transport system, it is described to be used for fine granular materials Geldart-D particle system
The accurate measuring device of system can realize that the real-time and accurate of charging is weighed.
Accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention, including：Strength
Sending cans, define material chamber in the strength sending cans, and the top of the strength sending cans is provided with to be connected and can with the material chamber
Exhaust outlet, charging aperture and the boosting mouth of opening and closing, the bottom of the strength sending cans are provided with discharging opening to be opened/closed；Feed pipe, institute
Feed pipe is stated to be located in the strength sending cans and connect with the charging aperture；Discharge nozzle, the discharge nozzle are located at the strength
Being connected in sending cans and with the discharging opening, the discharge nozzle is provided with feeding port to be opened/closed, wherein, the feed pipe and institute
State discharge nozzle has telescopic bellows piece respectively, so that the strength sending cans realize soft installation；Material position inductor, it is described
Material position inductor is located in the strength sending cans and fitted suitable for the material position of the sensing material intracavitary material, the material position inductor
It is connected in Distributed Control System；Baroceptor, the baroceptor are located in the strength sending cans and are adapted to detect for
The air pressure of the material intracavitary, the baroceptor are suitable to be connected with Distributed Control System；Counting device, the counting device with
Distributed Control System is connected and for counting feeding number；Variable pressure sensor, the variable pressure sensor resilient support
In the bottom of the strength sending cans and suitable for producing pressure signal corresponding with the inventory of the material intracavitary in real time；Weighing instrument
Table, the weighing instrument are connected with the variable pressure sensor and suitable for the pressure signal of the variable pressure sensor are turned
It is changed to gravitational cue and transmits to Distributed Control System.
Accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention, strength sending cans
Soft installation can be achieved and variable pressure sensor can produce pressure signal in real time with charging and be converted into weight by weighing instrument
Force signal, realize that the real-time and accurate of charging is weighed, whole system is easy and effective, flexible and changeable and safe and reliable, can be with
Preferably solves the problem present in the transportation of 0-0.1mm fine fraction titanium slags, actual improvement is notable.
In addition, the accurate measuring device according to the above embodiment of the present invention for fine granular materials air-transport system is also
There can be technical characteristic additional as follows：
According to some embodiments of the present invention, the variable pressure sensor includes：For producing the pressure of pressure signal
Sensor, the pressure sensor are connected with the weighing instrument；Elastic component, the elastic component are located at the pressure sensor
On；Push rod, the push rod is only against between the elastic component and the strength sending cans and the lower end of the push rod and the pressure
Force snesor is spaced apart；Flexible adjustment part, the flexible adjustment part are connected with the elastic component and suitable for adjusting the elastic component
Elastic force.
According to some embodiments of the present invention, the elastic component is helical spring, and the spiral shell is stretched into the lower end of the push rod
Revolve spring and the upper end of the helical spring is connected with the push rod.
According to some embodiments of the present invention, the variable pressure sensor also includes shell, the pressure sensor and
The elastic component is located in the shell, and the upper end of the shell is provided with opening, and the upper end of the push rod is stretched out of described opening
Go out, the flexible adjustment part is regulating bolt, and the regulating bolt is connected through the shell with the elastic component.
According to some embodiments of the present invention, the inner circumferential wall of the bellows piece is provided with wear-resistant rubber layer.
According to some embodiments of the present invention, the feed pipe includes the first charging pipeline section and the second charging pipeline section, described
Bellows piece is connected between the first charging pipeline section and the second charging pipeline section, the first charging pipeline section and the gas
Power sending cans are connected, and the second charging pipeline section is provided with inlet valve.
According to some embodiments of the present invention, the discharge nozzle includes the first discharging pipeline section and the second discharging pipeline section, described
Bellows piece is connected between the first discharging pipeline section and the second discharging pipeline section, the first discharging pipeline section and the gas
Power sending cans are connected, and the second discharging pipeline section is provided with outlet valve.
According to some embodiments of the present invention, the bottom of the strength sending cans is horizontally extending provided with least two
And the connecting rod put is opened up along the circumferentially-spaced of strength sending cans, the variable pressure sensor includes at least two, at least two
The individual variable pressure sensor is only against at least two connecting rods correspondingly.
According to some embodiments of the present invention, the cross sections of the strength sending cans is formed as circular, the connecting rod and
The variable pressure sensor is respectively two, and the setting of two connecting rods is highly identical and is located at the strength sending cans
Relative both sides.
According to some embodiments of the present invention, the accurate measuring device for fine granular materials air-transport system also wraps
Include：Support bar, the support bar are located on mounting surface, and the variable pressure sensor support is on the support bar.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structure of the accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention
Schematic diagram；
Fig. 2 is the strength of the accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention
The structural representation of sending cans；
Fig. 3 is the ripple of the accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention
The structural representation of pipeline section.
Reference：
Strength sending cans 10；Exhaust outlet 101；Charging aperture 102；Boosting mouth 103；Discharging opening 104；Connecting rod 110；Support bar
120；
Feed pipe 20；First charging pipeline section 21；Second charging pipeline section 22；Bellows piece 210；Wear-resistant rubber layer 220；
Discharge nozzle 30；Feeding port 301；First discharging pipeline section 31；Second discharging pipeline section 32；
Material position inductor 40；
Baroceptor 50；
Variable pressure sensor 60；Pressure sensor 61；Elastic component 62；Push rod 63；Flexible adjustment part 64；Shell 65；
Air bleeding valve 71；Inlet valve 72；Boosting valve 73；Outlet valve 74；Feed valve 75.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain above-described embodiment can be changed, be changed within the scope of the invention, replaced and modification.
The essence for fine granular materials air-transport system according to embodiments of the present invention is described in detail below in conjunction with the accompanying drawings
True metering device.
Referring to figs. 1 to shown in Fig. 3, it is according to embodiments of the present invention by fine granular materials air-transport system it is accurate based on
Amount device may include strength sending cans 10, feed pipe 20, discharge nozzle 30, material position inductor 40, baroceptor 50, variable pressure
Sensor 60, weighing instrument and counting device.
Define material chamber in strength sending cans 10, the top of strength sending cans 10 is provided with to be connected and row to be opened/closed with material chamber
Gas port 101, charging aperture 102 and boosting mouth 103, i.e. exhaust outlet 101, charging aperture 102 and boosting mouth 103 can beat on and off respectively
Close, when charging aperture 102 is opened, material can be entered by charging aperture 102 in material chamber, when exhaust outlet 101 is opened, expect chamber
It can be in communication with the outside, realize the outlet in charging, eliminate the buffer brake for hindering Flow of Goods and Materials so that charging is more held
Easily；The bottom of strength sending cans 10 is provided with discharging opening 104 to be opened/closed, i.e. discharging opening 104 can open and close, and work as discharging opening
During 104 opening, expect that the material in chamber can be sent out from discharging opening 104.Wherein, boosting mouth 103 can be beaten when discharging opening 104 is opened
Open, to promote material to send out.
Feed pipe 20 is located in strength sending cans 10 and connected with charging aperture 102.In other words, feed pipe 20 is arranged on gas
On the charging aperture 102 of power sending cans 10, material can enter material intracavitary by feed pipe 20.Discharge nozzle 30 is located at strength transmission
Connected on tank 10 and with discharging opening 104, material is sent out by discharging opening 104.Discharge nozzle 30 is provided with to be opened/closed
Feeding port 301, when strength 10 outside feeding of sending cans, feeding port 301 can be opened, and blowing gas can be from feeding port 301
It is blown into, promotes material to send out.
It is understood that realize that exhaust outlet 101, charging aperture 102, boosting mouth 103, discharging opening 104 and feeding port 301 are opened
The mode closed can have it is a variety of, for example, at exhaust outlet 101, charging aperture 102, boosting mouth 103, discharging opening 104 and feeding port 301
Movable cover plate can be set, or be arranged to the opening that can be deformed, opened and closed with realizing.For another example such as Fig. 1 institutes
Show, exhaust outlet 101, charging aperture 102, boosting mouth 103, discharging opening 104 and feeding port 301 can be realized by control valve and opened
And closing.
Specifically, air bleeding valve 71 can be set at exhaust outlet 101, exhaust outlet is realized with the opening and closing by air bleeding valve 71
101 opening and closing, blast pipe can be set at exhaust outlet 101, and air bleeding valve 71 may be provided on blast pipe.It can be set at charging aperture 102
Inlet valve 72, inlet valve 72 may be provided on feed pipe 20.Boosting valve 73 can be set at boosting mouth 103, boosting mouth 103 can pass through
Boost tube is connected with providing the equipment of boost gas, and boosting valve 73 can be arranged on boost tube.It can be set at discharging opening 104
Outlet valve 74, for convenience of installing, outlet valve 74 can be arranged on discharge nozzle 30.Feed valve 75 can be set at feeding port 301, send
The equipment that material mouth 301 can blow gas by feed pipe with providing is connected, and feed valve 75 may be provided on feed pipe.
As shown in figure 1, feed pipe 20 and discharge nozzle 30 have telescopic bellows piece 210 respectively.That is, charging
Pipe 20 at least has one section of bellows piece 210, and axial stretching can occur for the bellows piece 210, and similarly, discharge nozzle 30 is at least
With one section of bellows piece 210, axial stretching can occur for the bellows piece 210.Thus, feed pipe 20 and discharge nozzle 30 have one
The fixed free degree, the strength sending cans 10 for alloing to be connected between feed pipe 20 and discharge nozzle 30 are with feed pipe 20 and discharging
Pipe 30 it is movable and movable, there is the automatic degree of certain activity, i.e., strength sending cans 10 can realize soft installation, float in other words
Installation.
Variable pressure sensor 60 is resiliently supported at the bottom of strength sending cans 10 and can be with strength sending cans 10
Weight change and act, i.e., with material intracavitary material weight and change.Specifically, variable pressure sensor 60 can be with charging
Pressure signal corresponding with inlet amount is produced in real time.Weighing instrument is connected with variable pressure sensor 60, variable pressure sensor
60 can be by pressure signal real-time Transmission to weighing instrument, and weighing instrument can believe the pressure of variable pressure sensor 60
Number be converted to gravitational cue and transmit to Distributed Control System, so as to reach the relatively accurate and real time measure to material.
Wherein, because strength sending cans 10 are soft installation, be non-fully fixedly mounted, along with variable pressure sensor 60 with
And weighing instrument is used cooperatively so as to weighing for material become more accurate.Alternatively, Shen Keyi can be selected in weighing instrument
Table.
Material position inductor 40 is located in strength sending cans 10 and can sense the material position of material intracavitary material.Material position inductor
40 can be electron type material position inductor.During charging and discharging, material position inductor 40 can be felt strength sending cans 10
The material position of material in chamber should be expected, and detection information is transmitted to Distributed Control System.Baroceptor 50 is located at strength sending cans
On 10 and can detect material intracavitary air pressure.Baroceptor 50 is connected with Distributed Control System, so as to which detection information be passed
Transport to Distributed Control System.Counting device is connected with the Distributed Control System and under the control of Distributed Control System to feeding
Number is counted.
When strength sending cans 10 are fed, when material position inductor 40 detects that the material position of material intracavitary reaches predetermined highest material position
When, signal can be sent to Distributed Control System, Distributed Control System can control the material mouth related to feeding to close, stop into
Material；Now, start to perform draw operation, and counting device is once, when material position inductor 40 detects the material position of material chamber
Reach predetermined minimum material position and when air pressure that baroceptor 50 detects in material chamber is less than preset air pressure, Distributed Control System
The material mouth related to discharging can be controlled to close, discharging is completed.Then, fed successively according to this step and draw operation.
Wherein, predetermined highest material position, predetermined minimum material position and preset air pressure can be configured as the case may be, example
Such as, in the specific example of the present invention, predetermined highest material position is located substantially at 2/3rds height of material chamber, is made a reservation for most
Low material position can be zero, that is, expect that intracavitary does not have material.
Distributed Control System be based on microprocessor to production process carry out centralized watch, operation, management and divide
Dissipate the distributed control system of control, abbreviation DCS control systems.DCS control systems terminate weighing instrument and counting device, lead to
Cross AI module communication DCS active stations in I/O stations to connect with the man-machine interactive system of master control room, received by computer and store number of weighing
According to, formed real time data form, reference data is made to the technical arrangement plan result of site operation personnel, realizes weight of material
Real time data form.
In short, the working forms of whole system can be：Exhaust outlet 101 (opening) → charging aperture 102 (opening) → is weighed
Instrument weight calculation (weight calculation) → fine particle stage material is stacked into certain altitude → material position inductor 40 (sensing high charge level) → charging aperture 102
(closing) → exhaust outlet 101 (closing) → delay predetermined time (for example, 15s), weighing instrument weight calculation (weight calculation terminates) → DCS are same
Step receives data → discharging opening 104 (opening) → counting device (counting) → feeding port 301 (opening) → boosting mouth 103
(opening) → material position inductor 40 (sensing bed material position), baroceptor 50 (sensing low-pressure) → feeding finish → exhaust outlet
101 (opening) → charging apertures 102 (opening).
Accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention, by making charging
At least a portion of pipe 20 and discharge nozzle 30 is formed as bellows piece 210, while supports strength using variable pressure sensor 60
Sending cans 10 so that strength sending cans 10 realize soft installation, are not directly contacted with ground, and variable pressure sensor 60 can be with
Charging produces pressure signal and is converted into weight by weighing instrument in real time, realizes the real-time of charging and accurately weighs, is one
Easy and effective, the flexible and changeable and safe and reliable system of kind, can solve to deposit in the transportation of 0-0.1mm fine fraction titanium slags
The problem of, actual improvement is notable, and whole system coordinates Distributed Control System to use, can be to caused accurately raw in real time
Production data are preserved, beneficial to the promptness and accuracy of process control.
As shown in Fig. 2 variable pressure sensor 60 may include that pressure sensor 61, elastic component 62, push rod 63 and elasticity are adjusted
Save part 64.Pressure sensor 61 is connected with weighing instrument, and pressure sensor 61, which can produce the pressure being adapted with inlet amount, to be believed
Number, and the pressure signal is transmitted to weighing instrument.Elastic component 62 may be provided on pressure sensor 61, and push rod 63 is only against elasticity
Between part 62 and strength sending cans 10.
Thus, push rod 63 can act with strength sending cans 10, and elastic component 62 can act with push rod 63, and pressure passes
Sensor 61 can perceive the pressure of elastic component 62, i.e., the pressure that material applies can be transferred to pressure by push rod 63 and elastic component 62
Force snesor 61, elastic component 62 are used as middle force transferring part, can play certain cushioning effect, power transmission is good and avoids pressing
Force snesor 61 is damaged.
Wherein, the lower end of push rod 63 is spaced apart with pressure sensor 61, thus, it is possible to avoid push rod 63 to pressure sensor
61 have an impact, and ensure the accuracy that pressure sensor 61 detects.Flexible adjustment part 64 is connected with elastic component 62 and can adjusted
Save the elastic force of elastic component 62.Thus, it is possible to the pressure for realizing variable pressure sensor 60 by regulation elasticity regulating part 64 is adjusted
Section, make elastic component 62 that there is certain upward tension force, to material during decline to the highly sensitive pressure sensor in bottom
61 play certain resolution effect, make have certain displacement redundancy between push rod 63 and pressure sensor 61, do not occur directly to connect
Touch, preferably ensure measurement weight accuracy and protection sensor safe, variable pressure sensor 60 can be according to material model of weighing
Flexible modulation its pressure is enclosed, using flexible, is further ensured that the accuracy weighed.
Alternatively, elastic component 62 can be helical spring, and the lower end of push rod 63 can stretch into helical spring and spiral bullet
The upper end of spring can be connected with push rod 63.Thus, installation is not only facilitated, and the mobile generation limit that helical spring can be to push rod 63
Position and guide effect, make push rod 63 may remain on vertical direction and move up and down, and will not occur crooked, and deformation is steady and can
Lean on, can further improve the accuracy of detection.
Certainly, the species of elastic component 62 and the attachment structure not limited to this with push rod 63, for example, in some of the invention
In unshowned embodiment, elastic component 62 can also be shell fragment, and push rod 63 can be arranged on the upper end of shell fragment, with the change of shell fragment
Shape and move up and down.
As shown in Fig. 2 variable pressure sensor 60 may also include shell 65, pressure sensor 61 and elastic component 62 may be provided in
In shell 65, to be played a protective role by shell 65.The upper end of shell 65 can be provided with opening, and the upper end of push rod 63 can be from opening
Interior stretching, push rod 63 are connected in shell 65 and with elastic component 62.Flexible adjustment part 64 can be regulating bolt, adjust spiral shell
Bolt is connected through shell 65 with elastic component 62.Specifically, one end of regulating bolt stretch into shell 65 and with the phase of elastic component 62
Even, the other end of regulating bolt exposes shell 65, operated with facilitating, by rotating regulating bolt, it is possible to achieve elastic component
62 elastic regulation, changes the elastic force of elastic component 62.
In view of fine grain material, such as high titanium slag, the physical characteristic of possessed high rub resistance is allowed to grow with body
During time high-speed friction, the breakage of body is easily caused, in process of pneumatic transmission, high titanium slag is at discharging opening 104 with high pressure
Fast state flows, larger to the percussion of discharge nozzle 30, and to avoid the damage of discharge nozzle 30, some in the present invention are more excellent
In the embodiment of choosing, as shown in figure 3, the inner circumferential wall of bellows piece 210 is provided with wear-resistant rubber layer 220.Wear-resistant rubber
The not only excellent wear-resisting and pressure-resistant performance, and have certain flexibility of layer 220, can preferably realize strength sending cans 10
Soft installation, and the impact and abrasion of material can be subjected to, make discharge nozzle 30 be not susceptible to damage.
Similarly, wear-resistant rubber layer 220 is may also set up on the inner circumferential wall of the bellows piece 210 of feed pipe 20, to carry
High wear resistance, damage probability is reduced, reaching can realize and be flexible coupling and meet high abrasion characteristic requirement, send out strength
Tank sending 10 is installed more steady reliable and further improves the accuracy weighed.
The material for preparing of wear-resistant rubber layer 220 may include diene, acrylonitrile through emulsion polymer, polyurethane, natural rubber
Glue, granularity are less than 0.074mm quartz powders and organic polymer coating etc..The specific volume scope of each component can be according to right
Wear-resisting, the pressure-resistant and flexible requirement of wear-resistant rubber layer 220 carries out specific design.
As shown in figure 1, feed pipe 20 may include the first charging pipeline section 21 and the second charging pipeline section 22, bellows piece 210 connects
It is connected between the first charging pipeline section 21 and the second charging pipeline section 22, the first charging pipeline section 21 is connected with strength sending cans 10, and second
Charging pipeline section 22 is provided with inlet valve 72.Discharge nozzle 30 includes the first discharging discharging pipeline section 32 of pipeline section 31 and second, bellows piece
210 are connected between the first discharging pipeline section 31 and the second discharging pipeline section 32, and the first discharging pipeline section 31 is connected with strength sending cans 10,
Second discharging pipeline section 32 is provided with outlet valve 74.Thus, it is not only convenient for assembly, and strength sending cans 10 can be realized and relatively stablized
Reliable soft installation.
Alternatively, feed pipe 20 and discharge nozzle 30 can be respectively steel pipe, that is, form the first charging pipeline section of feed pipe 20
21st, the second charging pipeline section 22 and bellows piece 210 can be steel pipe, form the first of discharge nozzle 30 and discharge pipeline section 31, the
Two discharging pipeline sections 32 and bellows piece 210 can be steel pipe, and steel-tube construction intensity and rigidity are stronger, can preferably ensure
Strength sending tube realizes more reliable and more stable soft installation.
According to some embodiments of the present invention, the bottom of strength sending cans 10 can be horizontally extending provided with least two
And circumferentially-spaced along strength sending cans 10 opens up the connecting rod 110 put, variable pressure sensor 60 may include at least two,
At least two variable pressure sensors 60 are only against at least two connecting rods 110 correspondingly.That is, variable pressure
Sensor 60 is equal with the quantity of connecting rod 110, and position correspondence, and each variable pressure sensor 60 is only against corresponding connection
On bar 110.Thus, the installation stationarity of strength sending cans 10 not only can be further improved, while can be by multiple variable
Detected while pressure sensor 60, further improve the accuracy weighed.
As shown in figure 1, in the specific example of the present invention, the cross section of strength sending cans 10 is formed as circular, even
Extension bar 110 and variable pressure sensor 60 are respectively two, and the setting of two connecting rods 110 is highly identical and is sent out positioned at strength
The relative both sides of tank sending 10.That is, two connecting rods 110 are arranged on the same circle of strength sending cans 10, and two
Individual connecting rod 110 differs 180 degree in the circumference of strength sending cans 10.Thus, strength sending cans 10 two connecting rods 110 with
The cooperation lower stress of variable pressure sensor 60 is more balanced, and the balance of the activity of strength sending cans 10 is good, further ensures
Weigh the accuracy of detection.
As shown in figure 1, the accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention
Support bar 120 can also be included, support bar 120 may be provided on mounting surface, for example, on ground, variable pressure sensor 60 can prop up
Support is on support bar 120.Thus, when the set location of strength sending cans 10 is higher, without by the top of variable pressure sensor 60
Bar 63 is set longer, can realize the adaptation of variable pressure sensor 60 and strength sending cans 10 by setting support bar 120
Property installation, it is easy for installation.
In summary, the accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention exists
Bellows piece 210 has been used on feed pipe 20 and discharge nozzle 30, has made the physical efficiency independent suspension of strength sending cans 10, plus variable pressure
The use of sensor 60 and weighing instrument, not only allow high-voltage high-speed fluid transport to be weighed and be possibly realized, and it is relatively accurate to weigh, then
Coordinate the use of Distributed Control System, weighing data is transmitted and is preserved in real time, entirely using compressed air as medium
Air-transport system it is more perfect, more accurate, more efficiently, the acquisition of real time data is more convenient, is production procedure work
Skill Optimum Regulation provides promptly and accurately data foundation.
Other compositions of accurate measuring device for fine granular materials air-transport system according to embodiments of the present invention
And operation is knowable for the person of ordinary skill of the art, is not described in detail herein.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", " top ", " bottom ", " interior ",
The orientation or position relationship of the instructions such as " outer ", " circumference " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the invention, the implication of " multiple "
It is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example " etc.
Description mean that combining specific features, structure, material or the feature that the embodiment or example describe is contained in the present invention extremely
In few one embodiment or example.In this manual, identical is necessarily directed to the schematic representation of above-mentioned term
Embodiment or example.Moreover, specific features, structure, material or the feature of description can in any one or more embodiments or
Combined in an appropriate manner in example.In addition, in the case of not conflicting, those skilled in the art can illustrate this
Different embodiments or example and the feature of different embodiments or example described in book are combined and combined.
Claims (10)
- A kind of 1. accurate measuring device for fine granular materials air-transport system, it is characterised in that including：Strength sending cans, material chamber is defined in the strength sending cans, the top of the strength sending cans is provided with and the material chamber Connect and exhaust outlet to be opened/closed, charging aperture and boosting mouth, the bottom of the strength sending cans are provided with discharging opening to be opened/closed；Feed pipe, the feed pipe are located in the strength sending cans and connected with the charging aperture；Discharge nozzle, the discharge nozzle are located in the strength sending cans and connected with the discharging opening, and the discharge nozzle is provided with Feeding port to be opened/closed, wherein, the feed pipe and the discharge nozzle have telescopic bellows piece respectively, so that the gas Power sending cans realize soft installation；Material position inductor, the material position inductor are located in the strength sending cans and suitable for the material of the sensing material intracavitary material Position, the material position inductor are suitable to be connected with Distributed Control System；Baroceptor, the baroceptor are located in the strength sending cans and are adapted to detect for the air pressure of the material intracavitary, The baroceptor is suitable to be connected with Distributed Control System；Counting device, the counting device are connected with Distributed Control System and for counting feeding number；Variable pressure sensor, the variable pressure sensor are resiliently supported at the bottom of the strength sending cans and suitable for real-time Produce pressure signal corresponding with the inventory of the material intracavitary；Weighing instrument, the weighing instrument are connected and are suitable to the variable pressure sensor with the variable pressure sensor Pressure signal is converted to gravitational cue and transmitted to Distributed Control System.
- 2. the accurate measuring device according to claim 1 for fine granular materials air-transport system, it is characterised in that The variable pressure sensor includes：For producing the pressure sensor of pressure signal, the pressure sensor is connected with the weighing instrument；Elastic component, the elastic component are located on the pressure sensor；Push rod, the push rod is only against between the elastic component and the strength sending cans and the lower end of the push rod and the pressure Force snesor is spaced apart；Flexible adjustment part, the flexible adjustment part are connected with the elastic component and suitable for the elastic forces of the regulation elastic component.
- 3. the accurate measuring device according to claim 2 for fine granular materials air-transport system, it is characterised in that The elastic component is helical spring, and the lower end of the push rod is stretched into the helical spring and the upper end of the helical spring and institute Push rod is stated to be connected.
- 4. the accurate measuring device according to claim 2 for fine granular materials air-transport system, it is characterised in that The variable pressure sensor also includes shell, and the pressure sensor and the elastic component are located in the shell, described outer The upper end of shell is provided with opening, and the upper end of the push rod is stretched out out of described opening, and the flexible adjustment part is regulating bolt, described Regulating bolt is connected through the shell with the elastic component.
- 5. the accurate measuring device according to claim 1 for fine granular materials air-transport system, it is characterised in that The inner circumferential wall of the bellows piece is provided with wear-resistant rubber layer.
- 6. the accurate measuring device according to claim 1 for fine granular materials air-transport system, it is characterised in that The feed pipe include first charging pipeline section and second charging pipeline section, the bellows piece be connected to it is described first charging pipeline section and Between the second charging pipeline section, the first charging pipeline section is connected with the strength sending cans, on the second charging pipeline section Provided with inlet valve.
- 7. the accurate measuring device according to claim 1 for fine granular materials air-transport system, it is characterised in that The discharge nozzle include first discharging pipeline section and second discharging pipeline section, the bellows piece be connected to it is described first discharging pipeline section and Between the second discharging pipeline section, the first discharging pipeline section is connected with the strength sending cans, on the second discharging pipeline section Provided with outlet valve.
- 8. the accurate measuring device according to claim 1 for fine granular materials air-transport system, it is characterised in that It is horizontally extending and put along circumferentially-spaced open up of strength sending cans that the bottom of the strength sending cans is provided with least two Connecting rod, the variable pressure sensor include at least two, at least two variable pressure sensors are correspondingly Only it is against at least two connecting rods.
- 9. the accurate measuring device according to claim 8 for fine granular materials air-transport system, it is characterised in that The cross section of the strength sending cans is formed as circular, and the connecting rod and the variable pressure sensor are respectively two, and two The setting of the individual connecting rod is highly identical and is located at the relative both sides of the strength sending cans.
- 10. the accurate measuring device according to claim 1 for fine granular materials air-transport system, its feature exists In, in addition to：Support bar, the support bar are located on mounting surface, and the variable pressure sensor support is on the support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803222.6A CN107792675A (en) | 2016-09-05 | 2016-09-05 | Accurate measuring device for fine granular materials air-transport system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803222.6A CN107792675A (en) | 2016-09-05 | 2016-09-05 | Accurate measuring device for fine granular materials air-transport system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107792675A true CN107792675A (en) | 2018-03-13 |
Family
ID=61529846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610803222.6A Withdrawn CN107792675A (en) | 2016-09-05 | 2016-09-05 | Accurate measuring device for fine granular materials air-transport system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107792675A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237543A (en) * | 2021-06-09 | 2021-08-10 | 青岛环港重工科技有限公司 | Novel efficient and accurate light material weighing device |
| CN113295246A (en) * | 2021-07-27 | 2021-08-24 | 深圳市同富信息技术有限公司 | Powder ash material weighing device |
-
2016
- 2016-09-05 CN CN201610803222.6A patent/CN107792675A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237543A (en) * | 2021-06-09 | 2021-08-10 | 青岛环港重工科技有限公司 | Novel efficient and accurate light material weighing device |
| CN113237543B (en) * | 2021-06-09 | 2022-07-29 | 青岛环港重工科技有限公司 | Efficient and accurate light material weighing device |
| CN113295246A (en) * | 2021-07-27 | 2021-08-24 | 深圳市同富信息技术有限公司 | Powder ash material weighing device |
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Application publication date: 20180313 |
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