CN209028493U - A kind of temperature material position integrated safe detecting and controlling system of large-sized silo - Google Patents
A kind of temperature material position integrated safe detecting and controlling system of large-sized silo Download PDFInfo
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- CN209028493U CN209028493U CN201820492603.1U CN201820492603U CN209028493U CN 209028493 U CN209028493 U CN 209028493U CN 201820492603 U CN201820492603 U CN 201820492603U CN 209028493 U CN209028493 U CN 209028493U
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- material position
- temperature material
- position integrated
- controlling system
- sized silo
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Abstract
The utility model relates to a kind of temperature material position integrated safe detecting and controlling systems of large-sized silo, belong to instrument automation field.Including controller, cross box, terminal box, detection protective device, installation unit, control unit; the temperature material position integrated safe detecting and controlling system of large-sized silo a kind of includes a variety of variables detection components it is characterized in that detection protective device is multisection type, flexible connecting structure.The beneficial effects of the utility model are: ensure that the safe operation of large-sized silo, space is saved in detection content integration, alarm in safe range, reduces security risk；It is to large-sized silo safe operation, protection, the improvement and innovation of context of detection.
Description
Technical field
The utility model relates to a kind of temperature material position integrated safe detecting and controlling systems of large-sized silo, belong to instrument certainly
Dynamicization field.
Background technique
In industries such as steel, petrochemical industry, power generation, grains, there are large-scale (≤10 meter) feed bin to store material, as life
The buffering of production stores material for a long time, and the height of materials for passing in and out feed bin, which needs to control, prevents spilling or hole capital after selling all securities；Material is in feed bin
Flowing generates friction and forms heat, long term storage because the movement of molecule also generates heat, easily spontaneous combustion.
A part as process flow, it is necessary to judge inventory, temperature, the vibration of even feed bin etc. inside feed bin
Deng.Since the diameter of large-sized silo is big, and in production scene, the arrangement comparatively dense of each feed bin, in feed bin outer wall different height
Temperature measuring point is set, temperature measuring point is set in the diameter difference of feed bin outer wall sustained height, the outer wall of feed bin is just as a big " hedgehog "
Unsightly；Even if in this way, being also arranged without enough installation spaces because being laid out closely.Detecting material position is also in this way, material position
The forms such as radar, ultrasonic wave can be set at top, wait and be required in silo roof aperture, the influence of receiver bin cloth, installation site
Also it is influenced by very big；Level switch can also be installed in side, equally be limited by space.
Summary of the invention
Safe operation in order to guarantee the material safety in large-sized silo, facility is again beautiful, and the utility model provides one
The temperature material position integrated safe detecting and controlling system of kind large-sized silo, comprising: controller, cross box, terminal box, detection protection
Device, installation unit, control unit, a kind of its spy of the temperature material position integrated safe detecting and controlling system of large-sized silo
Sign is:
Detection protective device is multisection type, flexible connecting structure, includes a variety of variable detection components.
The detection protective device.Include special steel pipe, special round nylon casting set, wirerope, sensor；It is special
Round nylon casting set is exactly in the embedding stainless steel sleeve of nylon casting outer wall, to reduce frictional force and anti-corrosion, nylon casting strength
Height insulation is wear-resisting light-weight, and round nylon casting length is small, punches on the cross section of round nylon casting, and threaded hole of steel is a pair of
(32,33), sensor threading hole two are to (20-25), that is the structure of special circle nylon casting set is internal axial direction
On be furnished with the channel of different role, outside is embedded with stainless steel sleeve.
The detection protective device is multisection type, flexible connecting structure.Being exactly will be multiple special using two wirerope
Round nylon casting set series connection, forms flexible connecting structure.Flexible connecting structure can be readily transported, be easily installed, and can prevent
Only fracture due to shifting in material cloth to the impact of detection protective device.
The detection protective device includes a variety of variable detection components.Exactly in the needs according to technique different
Height setting such as temperature, Level measurement, then be arranged sensor, such as temperature sensing in corresponding nylon casting in place of needing to detect
Device, level transducer are separately positioned in different channels.That is detection protective device includes temperature sensor, level passes
It sensor and is arranged in different channels.The temperature sensor can be thermal resistance, thermocouple, optical fiber, and optical fiber can also be examined
Vibration measuring is dynamic；The level transducer can be radio frequency admittance, can be capacitor.
The installation unit, flange connecting pipe, elastic washer, gasket comprising fixed installation fix bloom (13), are close
Seal flange (14), cable clip (16), support spring.The flange connecting pipe is fixed on silo roof, to support a whole set of detection dress
It sets；The elastic washer, gasket be for its buffer function, worked as a buffer when detection device is mutated by external force without
Generation marries again power on flange connecting pipe suddenly；The fixation bloom (13) is welded on the outside of the steel pipe of detection protective device,
Lower part only contacts with flange connecting pipe and is not connected to, and plays fixed position, while detection device being protected to will not fall in feed bin；Institute
It has a through-hole with the sealing flange (14) stated, and is signal path, it is intermediate that wirerope is clipped in sealing flange (14), then uses cable
Clip (16) tightens, and the support spring is respectively welded between sealing flange (14) and flange connecting pipe (8), fixed a whole set of inspection
Survey device；I.e. a whole set of detection device power suffered in feed bin, is mainly undertaken by sealing flange (14), elastic washer, then
It marries again on flange connecting pipe again.That is there is the structure of the installation unit elasticity to unload power, fixed function.
The terminal box, because of the spacial influence (vibration of distributing device, runs material at dust) by live cloth, inside only
There is connecting terminal, is fixed on sealing flange (14) blind flange.
The cross box, inside include connecting terminal, data collector, are drawn the signal in terminal box by cable
Enter, passes through signal transformation output to controller.It is exported i.e. but analog quantity can also be digital quantity.
The controller can be PLC and be also possible to DCS control system or data collection system.By collection site
Temperature, material, vibration signal carry out region concentrated collection, Classification Management and matrix and calculate, in the premise for retaining safe clearance
Under, it transfinites, alarms, issues alarm signal to control unit, for storing, report, establish database and predict that its development becomes
Gesture；I.e. processing scheme is to carry out matrix calculating, early warning, alarm, control to the information in region.
The control unit includes material cloth control unit, is blown into N2Control unit, sprinkling fire control unit.Institute
The material cloth control unit stated is exactly when material is higher than the only charging of upper limit threshold value time control stop in feed bin；Material is lower than lower limit
It is fed when threshold value.Described is blown into N2Control unit is exactly to issue signal when the temperature of detection is close to from combustion value to be blown into N2Into
Row isolation, antivibration vortex-shedding meter, control valve comprising pressure gauge, wide-range ratio, to the N being blown into2Implement metering.The spray
Above-water method control unit is exactly that signal sprinkling fire is issued when the temperature of detection is close to from combustion value, includes pressure gauge, wide-range
Antivibration vortex-shedding meter, the control valve of ratio, to the N being blown into2Implement metering.The antivibration flux of vortex street of the wide-range ratio measures
Journey is than at least 1:60, the N that is blown into2Because of points difference, changes in flow rate is very big for amount, amount of water sprayed, is arranged to protect accurate measurement.
The beneficial effects of the utility model are: ensure that the safe operation of large-sized silo, detection content integration is saved empty
Between, alarm in safe range, reduce security risk；It is to large-sized silo safe operation, protection, context of detection
It improves and innovates.
Detailed description of the invention
Fig. 1 shows the temperature material position integrated safe detecting and controlling system knots of the medium-and-large-sized feed bin of the embodiments of the present invention
Structure schematic diagram；
Fig. 2 indicates the temperature material position integrated safe detecting and controlling system of the medium-and-large-sized feed bin of the embodiments of the present invention
The structural schematic diagram of one section of protective device of detection；
Fig. 3 indicates the temperature material position integrated safe detecting and controlling system of the medium-and-large-sized feed bin of the embodiments of the present invention
The planar structure schematic diagram of sealing flange；
Fig. 4 indicates the temperature material position integrated safe detecting and controlling system of the medium-and-large-sized feed bin of the embodiments of the present invention
Water spray (is blown into N2) system structure diagram.
Wherein in figure: 1, feed bin；2, feed bin drain hole；3, terminal box；4, cross box；5, temperature sensor；6, level passes
Sensor；7, protective device is detected；8, flange connecting pipe；9, elastic washer；10, gasket；11, controller；12, data collector；13,
Fixed bloom；14, sealing flange；15, support spring；16, cable clip；17, steel pipe；18, the first of protective device 7 is detected
Section；19, the last section of protective device 7 is detected；20, hole in temperature channel one；21, one lower opening of temperature channel；22, level channel
Hole on one；23, one lower opening of level channel；24, hole in temperature channel two；25, hole in temperature channel two；26, on level channel two
Hole；27, temperature channel one；28, two lower opening of level channel；29, level channel one；30, steel-cable channel；31, detection protection dress
Set 7 stainless steel sleeve；32, hole on steel-cable channel；33, steel-cable channel lower opening；34, sealing flange cable passage；35, block
Slot；36, antivibration vortex-shedding meter；37, pressure gauge；38, control valve；39, it exports；40, round plate；41,N2Injection system；42,
Water injection system；43, wirerope；44, a complete segment of protective device 7 is detected.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, the embodiment provided is to be able to understand the disclosure with cutting more thoroughly, and can be complete by the scope of the present disclosure
Ground is communicated to those skilled in the art.The present embodiment carries out implementation explanation by object of large-scale coal bunker.
As shown in Figure 1, 2, measured medium is coal, and coal has certain corrosivity, then material wants anti-corrosion.First according to tested
The height of coal bunker selectes material detection range and determines the length of detection protective device 7, then determines the segmentation of detection protective device 7
Number, the length (such as 70mm) that every section is determined according to the requirement of transport；According to the length of detection protective device 7, the number of temperature spot is detected
Number of conductors line footpath depending on amount, detection level continuity require, determines temperature, the quantity in level channel (such as each 2), aperture (such as ∮
6)；The diameter (such as ∮ 5) of wirerope (43), diameter (such as ∮ of steel-cable channel (30) are selected according to the impact force of supporting power, coal
6), last regular inspection surveys the diameter (such as ∮ 40) of protective device 7, selects corresponding nylon casting rod.
With continued reference to Fig. 1,2, satisfactory nylon casting rod is bought, is truncated by requirements above, by each section on lathe
Punched, get respectively steel-cable channel (30), temperature channel one (27), temperature channel two (this figure does not mark, above and below
Hole be 24,25), level channel one (29), level channel two (this figure does not mark, thereon lower opening be 26,28)；Again in its periphery
Embedding same diameter forms a complete segment (44) of detection protective device 7 with high stainless steel outer sleeve (such as 304), other successively classes
It pushes away, processes all number of segment；Reselection, in round plate (40) central punch, penetrates wirerope with (40) two pieces of round plate of diameter
(43), then the last section (19) for detecting protective device 7 is penetrated, then each by all detection protective devices 7 is complete
Section (44) is connected, fixed wirerope (43) in round plate (40), and temperature sensor (5), object are put into different channels
Level sensor (6).Reselection steel pipe (17) connects with the same diameter of a complete segment (44) of detection protective device 7, highly according to flange
Depending on length of tube (such as 120mm), complete detection protective device 7 is formed, clot is in case remove in-site installation.
It with continued reference to Fig. 1,2,3, selects sealing flange (14), slots in the upper surface of sealing flange (14), form card slot
(35), the outgoing channel of wirerope (43) is done in the future；In the blind flange center opening of sealing flange (14), signal wire is done in the future
Outgoing channel, i.e. sealing flange cable passage (34).
Field-mounted process is as follows:
It is welded and fixed (by in-site installation) and tightens in the top of coal bunker (1) punching mounting flange adapter tube (8), connect in flange
Manage (8) matched blind flange center (this figure does not mark) punching；In four pieces of fixations of equidistant welding of the unified plane of steel pipe (17)
Bloom (13), lower surface are located on same section；Sealing flange (14) and steel pipe (17) progress is integrally welded.In flange
The big blind flange upper surface of adapter tube (8) is sequentially placed into elastic washer (9), gasket (10).Protective device (7) be will test along sealing flange
(14), steel pipe (17), flange connecting pipe (8) are put into coal bunker (1)；It pulls up wirerope (43), guarantees detection protective device (7)
Each section is in close contact, then wirerope (43) is extended to the periphery of sealing flange (14) along card slot (35), tightens fixing seal
Flange (14), it is then fixed with cable clip (16), the wirerope (43) having more can outer to somewhere fix again；In Sealing Method
Support spring (15) are put between blue (14) and flange connecting pipe (8).It will test each temperature sensor of protective device (7) again
(5), the signal wire of level transducer (6) leads to terminal box (3) from the sealing flange cable passage (34) of sealing flange (14)
Connecting terminal on, terminal box (3) is IP65 explosive-proof grade, is directly anchored on sealing flange (14).With conducting wire by terminal box
(3) signal is connect with the data collector (12) of cross box (4), then is connected to controller (11), forms signal path.According to technique
It is required that successively installing N respectively2Antivibration vortex-shedding meter (36), the pressure gauge of injection system (41), water injection system (42)
(37), control valve (38), if paying attention to there is many coal bunkers (1), then antivibration vortex-shedding meter (36) is mounted on general pipeline and is measured
(the reason of selection range ratio at least 1:60)；System installs.
Its course of normal operation is as follows:
When working properly, each variable shows its detected value；It is solid that each temperature spot corresponds to the physical location in coal bunker (1)
It is fixed, displays temperature and specified altitude assignment when controller (11) is shown, and compared with showing with level transducer；Material in coal bunker (1)
In upper and lower limits, coal bunker (1) is in blowing state for position (also referred to as level), when exceeding upper and lower limits, controller (11)
Signal is issued to be fed or stop feeding.When certain puts temperature anomaly, display reddens and issues alarm flash signal；Control
Device (11) issues signal and carries out spray cooling or spray into N2It is obstructed.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, can also make several improvements and modifications, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo, comprising: controller, cross box, terminal box,
Protective device, installation unit, control unit are detected, a kind of temperature material position integrated safe of large-sized silo detects control
System it is characterized by:
Detection protective device is multisection type, flexible connecting structure, includes a variety of variable detection components.
2. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as described in claim 1, feature exist
Include special steel pipe, special round nylon casting set, wirerope, sensor in the detection protective device；Described is special
The structure of round nylon casting set is that the channel of different role is furnished on internal axial direction, and outside is embedded with stainless steel sleeve.
3. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as described in claim 1, feature exist
In the detection protective device be using two wirerope will multiple special round nylon casting set series connection, formation multistage and soft
Property connection structure.
4. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as described in claim 1, feature exist
Include the flange connecting pipe being fixedly mounted, elastic washer, gasket, fix bloom (13), sealing flange in the installation unit
(14), cable clip (16), support spring；There is the structure of installation unit elasticity to unload power, fixed function.
5. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as described in claim 1, feature exist
It is to carry out matrix calculating, early warning, alarm, control to the information processing scheme in region in the controller.
6. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as described in claim 1, feature exist
The control unit includes material cloth control unit, is blown into N2Control unit, sprinkling fire control unit.
7. a kind of temperature material position integrated safe detecting and controlling system of large-sized silo as claimed in claim 6, feature exist
Described is blown into N2Control unit, sprinkling fire control unit include pressure gauge, the antivibration vortex-shedding meter of wide-range ratio, control
Valve processed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492603.1U CN209028493U (en) | 2018-04-03 | 2018-04-03 | A kind of temperature material position integrated safe detecting and controlling system of large-sized silo |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492603.1U CN209028493U (en) | 2018-04-03 | 2018-04-03 | A kind of temperature material position integrated safe detecting and controlling system of large-sized silo |
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| CN209028493U true CN209028493U (en) | 2019-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230130817A1 (en) * | 2019-12-26 | 2023-04-27 | Henan Polytechnic University | The fiber bragg grating intelligent device and method for monitoring coal level in bunker |
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2018
- 2018-04-03 CN CN201820492603.1U patent/CN209028493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230130817A1 (en) * | 2019-12-26 | 2023-04-27 | Henan Polytechnic University | The fiber bragg grating intelligent device and method for monitoring coal level in bunker |
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