CN106738349A - For the feed bin security system and its monitoring method of concrete mixing plant - Google Patents
For the feed bin security system and its monitoring method of concrete mixing plant Download PDFInfo
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- CN106738349A CN106738349A CN201710037709.2A CN201710037709A CN106738349A CN 106738349 A CN106738349 A CN 106738349A CN 201710037709 A CN201710037709 A CN 201710037709A CN 106738349 A CN106738349 A CN 106738349A
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- pipe capsule
- pipe
- capsule valve
- pressure
- controller
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000002775 capsule Substances 0.000 claims abstract description 171
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000012546 transfer Methods 0.000 claims abstract description 40
- 238000012806 monitoring device Methods 0.000 claims abstract description 25
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000012716 precipitator Substances 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 4
- 206010020852 Hypertonia Diseases 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
- B28C7/0076—Parts or details thereof, e.g. opening, closing or unloading means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/26—Overfill prevention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of feed bin security system and its monitoring method for concrete mixing plant, feed bin security system includes pressure of silo monitoring device, material-level detecting device and pipe capsule part, the upper limit level-sensing device and the lower-limit change level indicator of the bottom being arranged in feed bin on top of the material-level detecting device including being arranged in feed bin；Pipe capsule part includes transfer pipeline, pipe clamp, pipe capsule valve and pipe capsule valve control, pipe clamp is arranged on the one end of transfer pipeline, the other end of transfer pipeline is connected with feed bin, pipe capsule valve is arranged on transfer pipeline, and the control signal of pipe capsule valve is connected with the signal output part of pipe capsule valve control；Controller, the signal input part of controller signal output part respectively with pressure of silo monitoring device, the signal output part of upper limit level-sensing device, the signal output part of lower-limit change level indicator and pipe capsule valve control is connected.The present invention effectively can be monitored to feed bin, it is to avoid the damage of feed bin and annex, it is ensured that the operation of feed bin safety, it is to avoid the phenomenon of wharf explosion and reduce its potential safety hazard.
Description
Technical field
The present invention relates to a kind of feed bin security system and its monitoring method for concrete mixing plant.
Background technology
At present, as Concrete Mixing Station production capacity is constantly lifted, the tank car volume of powder needed for transport production
Constantly increase, the pumping more small-sized tank car of air pressure has a distinct increment, due to feed bin safety guard imperfection in practical operation
And operational error often results in wharf explosion and auxiliary device is damaged, waste of materials, pollution environment can occur falling object from high altitude when serious
, there is severe compromise in event.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, there is provided one kind is used for concrete mixing plant
Feed bin security system, it effectively can be monitored to feed bin, it is to avoid the damage of feed bin and annex, it is ensured that feed bin safety
Operation, it is to avoid the phenomenon of wharf explosion and reduce its potential safety hazard.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of feed bin peace for concrete mixing plant
Total system, it includes：
Pressure of silo monitoring device, the pressure of silo monitoring device is used to monitor the pressure information in feed bin；
Material-level detecting device, the material-level detecting device is used to detect the material position information in feed bin, the material-level measure dress
Put the upper limit level-sensing device and the lower-limit change level indicator of the bottom being arranged in feed bin on the top including being arranged in feed bin；
Pipe capsule part, the pipe capsule part includes transfer pipeline, pipe clamp, pipe capsule valve and pipe capsule valve control, the pipe clamp
Installed in the one end of transfer pipeline, the other end of the transfer pipeline is connected with feed bin, and the pipe capsule valve is arranged on conveying
On pipeline, and the control signal of the pipe capsule valve is connected with the signal output part of pipe capsule valve control；
Controller, controller signal output part, the signal of upper limit level-sensing device respectively with pressure of silo monitoring device
Output end, the signal output part of lower-limit change level indicator are connected with the signal input part of pipe capsule valve control, to connect powder when pipe clamp
After the delivery pipe of tank car, pressure information and the material-level measure that the controller sends according to the pressure of silo monitoring device
Material position information transmitted by device produces corresponding control signal and passes to pipe capsule valve control, the pipe capsule valve control root
According to pipe capsule valve described in the control signal drive control for receiving, so that pipe capsule valve opens or closes the transfer pipeline.
Further, after pipe clamp connects the delivery pipe of powder tank car, the controller does not receive the upper limit level-sensing device hair
The super upper limit signal of material position for sending and the pressure information for receiving produce a dnockout signal simultaneously less than pressure, the controller is guarded against
Pipe capsule valve control is passed to, pipe capsule valve control pipe capsule valve according to the dnockout signal drive control for receiving makes
Pipe capsule valve opens the transfer pipeline.
Further, after pipe clamp connects the delivery pipe of powder tank car, the controller receives the upper limit level-sensing device and sends
The super upper limit signal of material position or the pressure information that receives of controller higher than warning pressure when, the controller produces one to close letter
Number, pipe capsule valve control pipe capsule valve according to the shutdown signal drive control for receiving closes pipe capsule valve described defeated
Send pipeline.
Further for the gas of filtering feed bin discharge, prevent powder from entering air, for the feed bin of concrete mixing plant
Security system also includes being arranged on the dust-precipitator at the top of feed bin, and the control signal of the dust-precipitator is connected with the controller,
Material transmitted by the pressure information sent according to the pressure of silo monitoring device so as to controller and the material-level detecting device
Position information produces corresponding Cleaner Control signal to control the action of dust-precipitator.
Further for making the system be used in the case of dust-precipitator and pipe capsule valve are normal, set in the dust-precipitator
There is the dust-precipitator pressure sensor for monitoring the pressure of the compressed air in dust-precipitator, be provided with for supervising in the pipe capsule valve
The pipe capsule valve pressure sensor of the pressure of the compressed air in test tube capsule valve, the dust-precipitator pressure sensor and the pipe capsule valve
The signal output part of pressure sensor is connected with the controller, and the controller sends according to the pressure of silo monitoring device
Pressure information, the dust-precipitator that sends of the material position information transmitted by the material-level detecting device, the dust-precipitator pressure sensor
The pipe capsule valve compressed air pressure signal that compressed air pressure signal, the pipe capsule valve pressure sensor send produces corresponding control
Signal processed simultaneously passes to pipe capsule valve control, the action of control pipe capsule valve.
Blocked further for when dust-precipitator filter core, exhaust is obstructed, in feed bin during hypertonia, to being let out in feed bin
Pressure, the feed bin security system for concrete mixing plant also includes pressure relief valve, and the pressure relief valve is arranged on feed bin,
So that the pressure relief valve is used for carrying out pressure release in feed bin.
Further for prompting, operator operates according to the rules, and the feed bin security system for concrete mixing plant also includes
Alarm, the alarm is connected with the controller, the pressure that the controller sends according to the pressure of silo monitoring device
Material position information transmitted by force information and the material-level detecting device produces corresponding alarm control signal to drive alarm
Action.
Further, the pressure of silo monitoring device is differential manometer.
Present invention also offers a kind of monitoring method of the feed bin security system for concrete mixing plant, monitoring method
Contain in step：
A (), when pipe clamp connects the delivery pipe of powder tank car, controller produces a shutdown signal and passes to the control of pipe capsule valve
Device, the pipe capsule valve control makes pipe capsule valve close transfer pipeline according to the shutdown signal drive control pipe capsule valve for receiving；
(b) then controller detection feed bin in situation：(1) when the controller does not receive the transmission of upper limit level-sensing device
When the super upper limit signal of material position and the pressure information for receiving are less than warning pressure, the controller produces a dnockout signal simultaneously to pass
Pipe capsule valve control is passed, pipe capsule valve control pipe capsule valve according to the dnockout signal drive control for receiving makes pipe
Capsule valve opens the transfer pipeline；(2) when the controller receives the super upper limit signal of material position that the upper limit level-sensing device sends
And/or the pressure information that controller is received is higher than that the controller produces a shutdown signal, the pipe capsule valve when guarding against pressure
Controller pipe capsule valve according to the shutdown signal drive control for receiving, makes pipe capsule valve close the transfer pipeline.
Present invention also offers a kind of monitoring method of the feed bin security system for concrete mixing plant, monitoring method
Contain in step：
A (), when pipe clamp connects the delivery pipe of powder tank car, controller produces a shutdown signal and passes to the control of pipe capsule valve
Device, the pipe capsule valve control makes pipe capsule valve close transfer pipeline according to the shutdown signal drive control pipe capsule valve for receiving；
(b) then controller detection feed bin in situation：(1) when the controller does not receive the transmission of upper limit level-sensing device
The super upper limit signal of material position, the pressure information for receiving are less than warning pressure, the dust-precipitator compressed air pressure signal for receiving just
When often normal with the pipe capsule valve compressed air pressure signal for receiving, the controller produces a dnockout signal simultaneously to pass to pipe capsule
Valve control, pipe capsule valve control pipe capsule valve according to the dnockout signal drive control for receiving opens pipe capsule valve
The transfer pipeline；(2) when the controller receives the super upper limit signal of material position or controller that the upper limit level-sensing device sends
When the pressure information for receiving is higher than warning pressure, the controller produces a shutdown signal, the pipe capsule valve control according to
Pipe capsule valve described in the shutdown signal drive control for receiving, makes pipe capsule valve close the transfer pipeline.
After employing above-mentioned technical proposal, when pipe clamp is connected to the delivery pipe of powder tank car, controller of the invention passes through
Pipe capsule valve control drive control pipe capsule valve is closed, and detects the situation in feed bin：When the material in feed bin does not reach highest material
When position, the pressure information for receiving are less than warning pressure, the controller passes through pipe capsule described in pipe capsule valve control drive control
Valve, makes pipe capsule valve open the transfer pipeline, carries out feeding, and the condition that certain feeding can also meet is：Pressure in dust-precipitator
Compressed air pressure of the contracting air pressure normally and in pipe capsule valve is normal；When the material in feed bin reaches highest material position and/or control
When the pressure information that device processed is received is higher than warning pressure, the controller passes through pipe capsule described in pipe capsule valve control drive control
Valve, makes pipe capsule valve close the transfer pipeline, in feeding process, if reach highest material position or pressure higher than warning pressure,
Controller also drives siren to alarm, and operator is reminded, this makes it possible to be effectively monitored to feed bin, it is to avoid feed bin and attached
The damage of part, it is ensured that the operation of feed bin safety, it is to avoid the phenomenon of wharf explosion and reduce its potential safety hazard.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram that the feed bin security system for concrete mixing plant of the invention is arranged on feed bin；
Fig. 2 is the theory diagram of the feed bin security system for concrete mixing plant of the invention.
Specific embodiment
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail.
As shown in Figure 1, 2, a kind of feed bin security system for concrete mixing plant, it includes：
Pressure of silo monitoring device, the pressure of silo monitoring device is used to monitor the pressure information in feed bin 10；
Material-level detecting device, the material-level detecting device is used to detect the material position information in feed bin 10, the material-level measure
The upper limit level-sensing device 11 and the lower-limit change level indicator of the bottom being arranged in feed bin 10 on top of the device including being arranged in feed bin 10
12；
Pipe capsule part, the pipe capsule part includes transfer pipeline 21, pipe clamp 22, pipe capsule valve 23 and pipe capsule valve control 24,
The pipe clamp 22 is arranged on the one end of transfer pipeline 21, and the other end of the transfer pipeline 21 is connected with feed bin 10, described
Pipe capsule valve 23 is arranged on transfer pipeline 21, and control signal and the pipe capsule valve control 24 of the pipe capsule valve 23 signal
Output end is connected；
Controller, controller signal output part, the letter of upper limit level-sensing device 11 respectively with pressure of silo monitoring device
Number output end, the signal output part of lower-limit change level indicator 12 are connected with the signal input part of pipe capsule valve control, to work as pipe clamp 22
After connecting the delivery pipe 20 of powder tank car, pressure information that the controller sends according to the pressure of silo monitoring device and described
Material position information transmitted by material-level detecting device produces corresponding control signal and passes to pipe capsule valve control 24, the pipe capsule
The pipe capsule valve 23 according to the control signal drive control for receiving of valve control 24, so that pipe capsule valve 23 opens or closes institute
State transfer pipeline 21；In the present embodiment, controller includes the silo controller 81 being connected with each other and central silo controller 82.
Specifically, after pipe clamp 22 connects delivery pipe 20 of powder tank car, the controller does not receive the upper limit material position
The super upper limit signal of material position of the transmission of meter 11 and the pressure information for receiving produce a dnockout less than pressure, the controller is guarded against
Signal simultaneously passes to pipe capsule valve control 24, and the pipe capsule valve control 24 is according to the dnockout signal drive control for receiving
Pipe capsule valve 23, makes pipe capsule valve 23 open the transfer pipeline 21；After pipe clamp 22 connects delivery pipe 20 of powder tank car, the control
The pressure information that the super upper limit signal of material position or controller that device receives the transmission of upper limit level-sensing device 11 are received is higher than warning
During pressure, the controller produces a shutdown signal, and the pipe capsule valve control 24 drives control according to the shutdown signal for receiving
The pipe capsule valve 23 is made, pipe capsule valve 23 is closed the transfer pipeline 21.
As shown in Figure 1, 2, the feed bin security system for concrete mixing plant also includes being arranged on the receipts at the top of feed bin 10
Dirt device 3, the control signal of the dust-precipitator 3 is connected with the controller, so that controller is monitored according to the pressure of silo
Material position information transmitted by the pressure information and the material-level detecting device of device transmission produces corresponding Cleaner Control signal
Control the action of dust-precipitator 3.The effect of dust-precipitator 3 was air filtering, prevented powder from entering air, and principle is by inner materials
Filter core, the compressed air produced during filtering pumping, and clear up the powder being adsorbed on filter core in time by pulse cleaning system, protect
Demonstrate,prove the gas permeability of filter core.
As shown in Figure 1, 2, further, it is provided with for monitoring the compressed air in dust-precipitator 3 in the dust-precipitator 3
The pressure for monitoring the compressed air in pipe capsule valve 23 is provided with the dust-precipitator pressure sensor 91 of pressure, the pipe capsule valve 23
The signal of the pipe capsule valve pressure sensor 92 of power, the dust-precipitator pressure sensor 91 and the pipe capsule valve pressure sensor 92 is defeated
Go out end to be connected with the controller, pressure information, the material that the controller sends according to the pressure of silo monitoring device
The dust-precipitator compressed air pressure letter that material position information, the dust-precipitator pressure sensor 91 transmitted by level detecting apparatus send
Number, the pipe capsule valve compressed air pressure signal that sends of the pipe capsule valve pressure sensor 92 produces corresponding control signal and transmits
To pipe capsule valve control 24, the action of control pipe capsule valve 23.
As shown in Figure 1, 2, the feed bin security system for concrete mixing plant also includes pressure relief valve 4, the pressure
Relief valve 4 is arranged on feed bin 10, so that the pressure relief valve 4 is used for carrying out pressure release in feed bin 10.Pressure relief valve.Pressure
The effect of power relief valve 4 is to carrying out pressure release in feed bin, it is ensured that safety, and principle is that exhaust is not smooth when the filter core of dust-precipitator 3 is blocked,
Hypertonia in feed bin, more than pressure relief valve 4 setting valve when, open valve, carry out pressure release.
As shown in Figure 1, 2, further, the feed bin security system for concrete mixing plant also includes alarm 5, described
Alarm 5 is connected with the controller, pressure information and institute that the controller sends according to the pressure of silo monitoring device
Stating the material position information transmitted by material-level detecting device produces corresponding alarm control signal to drive the action of alarm 5, defeated
During sending material, if there is in feed bin hypertonia or more than setting highest material position, can after alarm 5 sends alarm,
Then pipe capsule valve 23 is closed at the appointed time, alarm 5 can be audible-visual annunciator, or alarming horn, but not
It is limited to this.
As shown in figure 1, the pressure of silo monitoring device can be differential manometer 6.
The monitoring method of the feed bin security system for concrete mixing plant in the present embodiment can be the following two kinds：
The first is used in the case of being not provided with dust-precipitator pressure sensor 91 and pipe capsule valve pressure sensor 92
Method, it is specific as follows：Contain in a kind of the step of monitoring method for the feed bin security system of concrete mixing plant：
A (), when pipe clamp 22 connects the delivery pipe 20 of powder tank car, controller produces a shutdown signal and passes to pipe capsule valve
Controller 24, the pipe capsule valve control 24 closes pipe capsule valve 23 according to the shutdown signal drive control pipe capsule valve 23 for receiving
Close transfer pipeline 21；
(b) then controller detection feed bin 10 in situation：1 sends when the controller does not receive upper limit level-sensing device 11
The super upper limit signal of material position and the pressure information that receives less than warning pressure when, the controller produces a dnockout signal simultaneously
Pass to pipe capsule valve control 24, the pipe capsule valve control 24 pipe capsule valve according to the dnockout signal drive control for receiving
23, pipe capsule valve 23 is opened the transfer pipeline 21；2 receive the material position that the upper limit level-sensing device 11 sends when the controller
When the pressure information that super upper limit signal or controller are received is higher than warning pressure, the controller produces a shutdown signal, institute
The pipe capsule valve 23 according to the shutdown signal drive control for receiving of pipe capsule valve control 24 is stated, closes pipe capsule valve 23 described defeated
Send pipeline 21.
Second is the side used in the case of being provided with dust-precipitator pressure sensor 91 and pipe capsule valve pressure sensor 92
Method, it is specific as follows：Contain in a kind of the step of monitoring method for the feed bin security system of concrete mixing plant：
A (), when pipe clamp 22 connects the delivery pipe 20 of powder tank car, controller produces a shutdown signal and passes to pipe capsule valve
Controller 24, the pipe capsule valve control 24 closes pipe capsule valve 23 according to the shutdown signal drive control pipe capsule valve 23 for receiving
Close transfer pipeline 21；In the present embodiment, when pipe clamp 22 connects the delivery pipe 20 of powder tank car, the pipe clamp triggering on pipe clamp 22 is opened
Closing can give controller sending signal, controller is produced shutdown signal；
(b) then controller detection feed bin 10 in situation：1 sends when the controller does not receive upper limit level-sensing device 11
The super upper limit signal of material position, the pressure information that receives less than warning pressure, the dust-precipitator compressed air pressure signal for receiving
When normal normal with pipe capsule valve compressed air pressure signal that is receiving, the controller produces a dnockout signal simultaneously to pass to pipe
Capsule valve control 24, the pipe capsule valve control 24 pipe capsule valve 23 according to the dnockout signal drive control for receiving, makes pipe
Capsule valve 23 opens the transfer pipeline 21；2 receive the super upper limit of material position that the upper limit level-sensing device 11 sends when the controller
When the pressure information that signal and/or controller are received is higher than warning pressure, the controller produces a shutdown signal, the pipe
The pipe capsule valve 23 according to the shutdown signal drive control for receiving of capsule valve control 24, makes pipe capsule valve 23 close the delivery pipe
Road 21.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effect carry out
Further describe, should be understood that and the foregoing is only specific embodiment of the invention, be not limited to this
Invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of feed bin security system for concrete mixing plant, it is characterised in that it includes：
Pressure of silo monitoring device, the pressure of silo monitoring device is used to monitor the pressure information in feed bin (10)；
Material-level detecting device, the material-level detecting device is used to detect the material position information in feed bin (10), the material-level measure dress
Put the upper limit level-sensing device (11) and the lower limit material of the bottom being arranged in feed bin (10) on the top including being arranged in feed bin (10)
Position meter (12)；
Pipe capsule part, the pipe capsule part includes transfer pipeline (21), pipe clamp (22), pipe capsule valve (23) and pipe capsule valve control
(24), the pipe clamp (22) installed in transfer pipeline (21) one end, the other end of the transfer pipeline (21) and feed bin
(10) be connected, the pipe capsule valve (23) is arranged on transfer pipeline (21), and the control signal of the pipe capsule valve (23) with
The signal output part of pipe capsule valve control (24) is connected；
Controller, controller signal output part, the signal of upper limit level-sensing device (11) respectively with pressure of silo monitoring device
Output end, the signal output part of lower-limit change level indicator (12) are connected with the signal input part of pipe capsule valve control, to work as pipe clamp
(22) after connecting the delivery pipe (20) of powder tank car, the pressure information that the controller sends according to the pressure of silo monitoring device
Corresponding control signal is produced with the material position information transmitted by the material-level detecting device and pass to pipe capsule valve control (24),
The pipe capsule valve control (24) pipe capsule valve (23) according to the control signal drive control for receiving, so that pipe capsule valve
(23) transfer pipeline (21) is opened or closed.
2. the feed bin security system for concrete mixing plant according to claim 1, it is characterised in that：When pipe clamp (22)
After connecting the delivery pipe (20) of powder tank car, the controller does not receive the super upper limit of material position that the upper limit level-sensing device (11) sends
Signal and the pressure information for receiving produce a dnockout signal simultaneously to pass to pipe capsule valve control less than pressure, the controller is guarded against
Device (24) processed, the pipe capsule valve control (24) pipe capsule valve (23) according to the dnockout signal drive control for receiving, makes pipe
Capsule valve (23) opens the transfer pipeline (21).
3. the feed bin security system for concrete mixing plant according to claim 1, it is characterised in that：When pipe clamp (22)
After connecting the delivery pipe (20) of powder tank car, the controller receives the super upper limit letter of material position that the upper limit level-sensing device (11) sends
Number or the pressure information that receives of controller higher than warning pressure when, the controller produces a shutdown signal, the pipe capsule valve
Controller (24) pipe capsule valve (23) according to the shutdown signal drive control for receiving, makes pipe capsule valve (23) close the conveying
Pipeline (21).
4. the feed bin security system for concrete mixing plant according to claim 1, it is characterised in that：Also include setting
Dust-precipitator (3) at the top of feed bin (10), the control signal of the dust-precipitator (3) is connected with the controller, to control
Material position information transmitted by pressure information that device sends according to the pressure of silo monitoring device and the material-level detecting device is produced
The action of corresponding Cleaner Control signal control dust-precipitator (3) of life.
5. the feed bin security system for concrete mixing plant according to claim 4, it is characterised in that：The dust-precipitator
(3) the dust-precipitator pressure sensor (91) of the pressure for monitoring the compressed air in dust-precipitator (3), the pipe capsule are provided with
Pipe capsule valve pressure sensor (92) of the pressure for monitoring the compressed air in pipe capsule valve (23) is provided with valve (23), it is described
The signal output part of dust-precipitator pressure sensor (91) and the pipe capsule valve pressure sensor (92) is connected with the controller, institute
State the material position letter transmitted by the pressure information, the material-level detecting device that controller sends according to the pressure of silo monitoring device
Dust-precipitator compressed air pressure signal, the pipe capsule valve pressure sensor that breath, the dust-precipitator pressure sensor (91) send
(92) the pipe capsule valve compressed air pressure signal for sending produces corresponding control signal and passes to pipe capsule valve control (24), controls
The action of tubulation capsule valve (23).
6. the feed bin security system for concrete mixing plant according to claim 4, it is characterised in that：Also include pressure
Relief valve (4), the pressure relief valve (4) on feed bin (10), so that the pressure relief valve (4) is for feed bin
(10) pressure release is carried out in.
7. the feed bin security system for concrete mixing plant according to claim 1, it is characterised in that：Also include alarm
Device (5), the alarm (5) is connected with the controller, and the controller sends according to the pressure of silo monitoring device
Material position information transmitted by pressure information and the material-level detecting device produces corresponding alarm control signal to drive alarm
(5) action.
8. the feed bin security system for concrete mixing plant according to claim 1, it is characterised in that：The feed bin pressure
Power monitoring device is differential manometer (6).
9. the monitoring side of a kind of feed bin security system for concrete mixing plant as any one of claim 1 to 8
Method, it is characterised in that contain in the step of methods described：
A (), when pipe clamp (22) connects delivery pipe (20) of powder tank car, controller produces a shutdown signal and passes to pipe capsule valve
Controller (24), the pipe capsule valve control (24) makes pipe capsule according to shutdown signal drive control pipe capsule valve (23) for receiving
Valve (23) closes transfer pipeline (21)；
B () then controller detects situation in feed bin (10)：(1) when the controller does not receive upper limit level-sensing device (11) hair
When the super upper limit signal of material position for sending and the pressure information for receiving are less than warning pressure, the controller produces a dnockout signal
And pipe capsule valve control (24) is passed to, the pipe capsule valve control (24) is according to the dnockout signal drive control for receiving
Pipe capsule valve (23), makes pipe capsule valve (23) open the transfer pipeline (21)；(2) when the controller receives the upper limit material position
When the pressure information that the super upper limit signal of material position or controller that meter (11) sends are received is higher than warning pressure, the controller is produced
A raw shutdown signal, the pipe capsule valve control (24) pipe capsule valve (23) according to the shutdown signal drive control for receiving,
Pipe capsule valve (23) is set to close the transfer pipeline (21).
10. it is a kind of as described in claim 5 be used for concrete mixing plant feed bin security system monitoring method, its feature
Be, the step of methods described in contain：
A (), when pipe clamp (22) connects delivery pipe (20) of powder tank car, controller produces a shutdown signal and passes to pipe capsule valve
Controller (24), the pipe capsule valve control (24) makes pipe capsule according to shutdown signal drive control pipe capsule valve (23) for receiving
Valve (23) closes transfer pipeline (21)；
B () then controller detects situation in feed bin (10)：(1) when the controller does not receive upper limit level-sensing device (11) hair
The super upper limit signal of material position for sending, the pressure information for receiving are believed less than warning pressure, the dust-precipitator compressed air pressure for receiving
When number normal and receiving pipe capsule valve compressed air pressure signal is normal, the controller produces a dnockout signal simultaneously to pass to
Pipe capsule valve control (24), the pipe capsule valve control (24) pipe capsule valve according to the dnockout signal drive control for receiving
(23) pipe capsule valve (23), is made to open the transfer pipeline (21)；(2) when the controller receives the upper limit level-sensing device (11)
When the pressure information that the super upper limit signal of material position and/or controller of transmission are received is higher than warning pressure, the controller is produced
One shutdown signal, the pipe capsule valve control (24) pipe capsule valve (23) according to the shutdown signal drive control for receiving, makes
Pipe capsule valve (23) closes the transfer pipeline (21).
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| CN109592344A (en) * | 2017-09-30 | 2019-04-09 | 南京梅山冶金发展有限公司 | Make steel high hopper material position processing method |
| CN113793095A (en) * | 2021-09-03 | 2021-12-14 | 北京慧同科技有限公司 | Intelligent feeding control method and system and storage medium |
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Application publication date: 20170531 |