CN110314400A - A kind of screenings tapping equipment and its discharge method for organosilicon production - Google Patents
A kind of screenings tapping equipment and its discharge method for organosilicon production Download PDFInfo
- Publication number
- CN110314400A CN110314400A CN201910692717.XA CN201910692717A CN110314400A CN 110314400 A CN110314400 A CN 110314400A CN 201910692717 A CN201910692717 A CN 201910692717A CN 110314400 A CN110314400 A CN 110314400A
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- Prior art keywords
- valve
- pipe
- blanking
- liquid level
- screenings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000005303 weighing Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims description 57
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001105 regulatory Effects 0.000 claims description 3
- 210000003205 Muscles Anatomy 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- NEHMKBQYUWJMIP-UHFFFAOYSA-N Chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 206010033307 Overweight Diseases 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000020825 overweight Nutrition 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000000903 blocking Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
Abstract
The invention discloses a kind of screenings tapping equipments and its discharge method for organosilicon production, including revaporizer, the flash tank of the revaporizer discharge end is connected to by the first blanking pipe, the weighing mechanism for monitoring of the flash tank discharge end is connected to by the second blanking pipe, the first valve being connected on first blanking pipe, it is connected to the second valve on the second blanking pipe and the control mechanism for controlling the first valve and the second valve, the first liquid level sensor with control mechanism communication connection is provided in revaporizer, the second liquid level sensor with control mechanism communication connection is provided in flash tank；Its structure is simple, it is convenient to operate, the cooperation of each valve is controlled by control mechanism, realize the automatic-discharging of screenings, blanking liquid level and discharge quantity are monitored in real time, screenings emission effect is effectively raised, and in screenings discharge process without human intervention, effectively reduces labor intensity.
Description
Technical field
The present invention relates to technical field of organic silicon production, and in particular to a kind of screenings tapping equipment for organosilicon production
And its discharge method.
Background technique
With the continuous development of silicone industry in China industry, domestic monomer enterprise occurs increasing rapidly in the beginning of this century, mesh
The silicon and the direct synthetic method of chloromethanes that preceding monomer enterprise uses, it is opposite that silicon powder carries out gas-solid with chloromethanes in fluidized bed
It answers, the reactor after dry and wet dedusting is sent to plant downstream by condensation using rectifying later to be continued to purify.
The screenings that wet dedusting generates needs regularly to discharge, and then carries out subsequent processing again.
Silicone industry in China screenings discharges at present, is required to by manual operation, labor intensity is high, and is discharging
Liquid level is discharged in journey is difficult control, it may appear that the case where fixed jar is booked, while the sliminess difference of screenings also results in
It will appear overweight situation fixed jar is not booked, emission effect is poor, can become non-if there is both of these case
It is often dangerous, it be easy to cause safety and environmental protection accident.
Summary of the invention
The purpose of the present invention is to provide a kind of screenings tapping equipments and its discharge method for organosilicon production, with solution
The problem of certainly existing screenings emission effect difference.
The technical scheme to solve the above technical problems is that the screenings tapping equipment for organosilicon production, packet
Include revaporizer, flash tank that the revaporizer discharge end is connected to by the first blanking pipe, by the second blanking pipe
The weighing mechanism for monitoring for being connected to the flash tank discharge end, the first valve being connected on first blanking pipe, connection
The second valve on second blanking pipe and the control mechanism for controlling the first valve and the second valve, it is described again
The first liquid level sensor with control mechanism communication connection is provided in evaporator, be provided in the flash tank with it is described
Second liquid level sensor of control mechanism communication connection；
First pipe cleaning agency is communicated on first blanking pipe, and the first pipe cleaning agency is located at institute
State the lower section of the first valve；Second pipe cleaning agency is connected on second blanking pipe, and the second pipe cleans
Mechanism is located at the lower section of second valve, is also connected with pressurising mechanism on the flash tank.
Further, the first pipe cleaning agency and second pipe cleaning agency include air accumulator, be connected to it is described
Cleaning pipeline on air accumulator and the first stop valve being set on the cleaning pipeline, and first stop valve with it is described
Control mechanism is connected.
Further, the pressurising mechanism include pressurized can, the pressurised pipeline that is connected between the pressurized can and flash tank
And the second stop valve on the pressurised pipeline is set.
Further, it is described weighing mechanism for monitoring include weigh tank body, be set to weighing tank body on gravity sensor and
Positioned at the intracorporal third liquid level sensor of tank, and the third liquid level sensor and the control mechanism communicate to connect.
Further, the feed end of the flash tank is connected with exhaust pipe, and the exhaust pipe is far from the flash tank
End is connected with emptying absorption plant, is connected with the admission line being connected to the exhaust pipe on the weighing tank body, described
Emptying regulating valve is provided on exhaust pipe.
Further, mixing component is provided in the revaporizer and in flash tank.
Further, the control mechanism includes data collecting card, control circuit and controller, the data collecting card point
It is not communicated to connect with first liquid level sensor, the second liquid level sensor, third liquid level sensor and data collecting card, it is described
Control circuit is communicated to connect with the controller, the first valve, the second valve, the first stop valve and the second stop valve respectively.
The present invention also provides a kind of discharge methods of screenings tapping equipment for organosilicon production, including following step
It is rapid:
Step is 1.: revaporizer blanking: the size of discharge quantity as needed sets the discharge quantity of revaporizer, opens the
First stop valve of one pipe-line purging mechanism carries out initial stage cleaning to the first blanking pipe by first pipe cleaning agency, so
The first valve is opened by controller afterwards and carries out revaporizer blanking operation, when liquid level drops to regulation liquid level in revaporizer
When, close the first valve；Then the first stop valve is opened by controller, thus by first pipe cleaning agency under first
Pipe material is cleaned again；
Step is 2.: flash tank blanking: after revaporizer blanking, the second stop valve in pressurising mechanism is opened, to
Flash tank carries out pressurising operation, when flashing pressure inside the tank arrival specified pressure, closes the second stop valve；Then the second pipe is opened
The first stop valve on road cleaning agency cleans the second blanking pipe by second pipe cleaning agency for the first time, cleans
After the completion, the first stop valve is closed, the second valve is opened and carries out discharge, when flash tank liquid level reaches designated position, closes the
Two valves；The first stop valve for opening second pipe cleaning agency again carries out secondary cleaning to the second blanking pipe；
Step is 3.: when the liquid level for tank body of weighing or weight reach the setting upper limit, stopping discharge, and carry out to weighing tank body
Replacement.
The invention has the following advantages: it is provided by the present invention for organosilicon production screenings tapping equipment and its
Discharge method, structure is simple, and it is convenient to operate, and is controlled by control mechanism the cooperation of each valve, realizes the automatic of screenings
Discharge, monitors blanking liquid level and discharge quantity in real time, effectively raises screenings emission effect, and in screenings discharge process
In without human intervention, effectively reduce labor intensity；By the dual cleaning of cleaning agency, effectively avoid down
Dirt blocking in pipe material, improves blanking effect, and in blanking process, passes through the weighing monitoring and liquid level of tank body of weighing
Double monitoring is realized in monitoring, thus reliably ensure that the detection to the capacity of screenings in weighing tank body, convenient for judging discharge quantity,
Improve discharge safety and reliability；And pressure discharge operations can be carried out to weighing tank body by emptying absorption plant, avoid superpressure from causing
Weighing tank body rupture and there is security risk.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is control mechanism block diagram in the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1 to Figure 2, the screenings tapping equipment for organosilicon production, including revaporizer 1, by under first
Pipe material 10 is connected to the flash tank 2 of 1 discharge end of revaporizer, is connected to 2 discharge end of flash tank by the second blanking pipe 20
Weighing mechanism for monitoring 3, be connected on the first blanking pipe 10 the first valve 11, be connected on the second blanking pipe 20
Two valves 21 and control mechanism for controlling the first valve 11 and the second valve 21, be provided in revaporizer 1 with it is described
First liquid level sensor of control mechanism communication connection, is provided in the flash tank 2 and control mechanism communication connection
Second liquid level sensor.
When screenings discharges, 1 blanking of revaporizer is first passed through, and then pass through 2 blanking of flash tank, be ultimately discharged into weighing and detect
In mechanism；The weighing mechanism for monitoring 3 includes weighing tank body 30, the gravity sensor being set on weighing tank body 30 and is located at
The intracorporal third liquid level sensor of tank, and the third liquid level sensor and the control mechanism communicate to connect.Entire blanking
Journey is carried out by control mechanism hole to the first valve 11 and the second valve 21, wherein the first valve 11 and the second valve 21 are all made of
Stop valve, the stop valve use electromagnetic shut-off valve, pneumatic cut-off valve or this hydraulic cutting valve.When stop valve is electromagnetic shut-off valve
When, control mechanism includes data collecting card 101, control circuit 102 and controller 103, wherein data collecting card 101 is distinguished
It is connect with first liquid level sensor, the second liquid level sensor, third liquid level sensor and data collecting card 101, control electricity
Road 102 respectively with controller 103, the first valve 11,232 communication link of the second valve 21, the first stop valve 122 and the second stop valve
It connects.The wherein signal that controller 103 is transmitted using single-chip microcontroller, the effect of data collecting card 101 for acquiring liquid level sensor, and
Controller 103 is transmitted signals to, instruction is issued by the analytic operation of controller 103, and then control by control circuit 102
The open and-shut mode of stop valve, the control circuit 102 use control circuit 102 in the prior art.When stop valve is air-powered electromagnetic
When valve or hydraulic control valve, working condition is carried out to valve using existing atmospheric control or hydraulic control system accordingly
Control.First liquid level sensor is used to monitor the screenings liquid level in revaporizer 1, and the second liquid level sensor is for monitoring
Screenings liquid level in flash tank 2.
First pipe cleaning agency 12 is communicated on first blanking pipe 10, and first pipe cleaning agency 12 is located at first
The lower section of valve 11；Second pipe cleaning agency 22, and second pipe cleaning agency 22 are connected on second blanking pipe 20
In the lower section of the second valve 21, pressurising mechanism 23 is also connected on flash tank 2.First pipe cleaning agency 12 is for cleaning first
Dirt in blanking pipe 10, second pipe cleaning agency 22 is used to clean the dirt in the second blanking pipe 20, to avoid
Dirt blocks and influences discharge operation in blanking pipe.Wherein, first pipe cleaning agency 12 and second pipe cleaning agency 22
Include air accumulator 120, the cleanings pipeline 121 that is connected on air accumulator 120 and is set to the cleaned on pipeline 121
One stop valve 122, and the first stop valve 122 is connected with control mechanism.Storage is cut by nitrogen by first in air accumulator 120
The effect of disconnected valve 122, the gas in air accumulator 120 is blown into blanking pipe, to realize the cleaning to blanking pipe.It fills
Press mechanism 23 is used to carry out pressurising to flash tank 2 in 2 blanking of flash tank operation to stop when 2 pressure of flash tank reaches designated value
Only pressurising, wherein pressurising mechanism 23 includes pressurized can 230, the pressurised pipeline 231 being connected between pressurized can 230 and flash tank 2
And the second stop valve 232 on pressurised pipeline 231 is set.First stop valve 122 and the second stop valve 232 and above-mentioned first
Valve 11 is consistent with the second valve 21, is controlled by control mechanism, realizes automatic operation.
When in use, the size of discharge quantity as needed, setting want the discharge quantity of revaporizer 1, then start re-evaporation
Device 1 carries out blanking, and 1 blanking process of revaporizer includes the first blanking pipe 10 purging, blanking and the first blanking pipe 10
Purging again.After 1 blanking of revaporizer is completed, start 2 blanking of flash tank, 2 blanking process of flash tank includes second
The purging again of the purging of blanking pipe 20, blanking and the second blanking pipe 20.During 2 blanking of flash tank, gravimetric tank
The level monitoring of body 30 and weighing monitoring are monitored the material in screenings tank, as long as liquid level or weighing reach in setting
Limit, i.e. stopping 2 discharge of flash tank, guarantee weighing tank body 30 is not overweight and discontented material.
In order to improve the security performance of blanking process, in the present invention, the feed end of flash tank 2 is connected with exhaust pipe 4, row
Feed channel 4 is connected with emptying absorption plant 5 far from the end of the flash tank 2, is connected with and the exhaust on tank body 30 of weighing
The admission line 6 that pipeline 4 is connected to is provided with emptying regulating valve 7 on exhaust pipe 4.By being vented 5 pairs of weighing tank bodies of absorption plant
30 carry out pressure discharge operations, avoid the occurrence of security risk caused by superpressure.
In order to improve the speed and effect of blanking, in the present invention, stirring is provided in revaporizer 1 and in flash tank 2
Component 8.Mixing component 8 includes driving motor, the agitating shaft being connected on driving motor output end and is connected on agitating shaft
Blade.At work, agitating shaft rotation is driven by driving motor, and then screenings is stirred with movable vane piece, avoid starching
The bonding of slag and cause blanking effect difference and blanking velocity slow.
The present invention also provides a kind of discharge methods of screenings tapping equipment for organosilicon production, including following step
It is rapid:
Step is 1.: 1 blanking of revaporizer: the size of discharge quantity as needed sets the discharge quantity of revaporizer 1, opens
First stop valve 122 of first pipe cleaning agency 12 carries out the first blanking pipe 10 by first pipe cleaning agency 12
Initial stage cleans, and then opens the first valve 11 by controller 103 and carries out 1 blanking of revaporizer operation, when liquid in revaporizer 1
When position drops to regulation liquid level, the first valve 11 is closed；Then the first stop valve 122 is opened by controller 103, to pass through
First pipe cleaning agency 12 cleans the first blanking pipe 10 again；
Step is 2.: 2 blanking of flash tank: after 1 blanking of revaporizer, opening the second stop valve in pressurising mechanism 23
232, pressurising operation is carried out to flash tank 2, when pressure reaches specified pressure in flash tank 2, closes the second stop valve 232；So
The first stop valve 122 on second pipe cleaning agency 22 is opened afterwards, by second pipe cleaning agency 22 to the second feeder pipe
Road 20 is cleaned for the first time, after the completion of cleaning, closes the first stop valve 122, is opened the second valve 21 and is carried out discharge, works as flash tank
When 2 liquid levels reach designated position, the second valve 21 is closed；The first stop valve 122 of second pipe cleaning agency 22 is opened again, it is right
Second blanking pipe 20 carries out secondary cleaning；
Step is 3.: when the liquid level for tank body 30 of weighing or weight reach the setting upper limit, stopping discharge, and to weighing tank body 30
It is replaced.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. the screenings tapping equipment for organosilicon production, which is characterized in that including revaporizer (1), pass through the first feeder pipe
Road (10) is connected to the flash tank (2) of the revaporizer (1) discharge end, is connected to the sudden strain of a muscle by the second blanking pipe (20)
The weighing mechanism for monitoring (3) of steaming pot (2) discharge end, connects the first valve (11) being connected on first blanking pipe (10)
It connects the second valve (21) on second blanking pipe (20) and is used to control the first valve (11) and the second valve
(21) control mechanism, interior the first liquid level sensor being provided with control mechanism communication connection of the revaporizer (1),
The second liquid level sensor with control mechanism communication connection is provided in the flash tank (2)；
It is communicated with first pipe cleaning agency (12) on first blanking pipe (10), and the first pipe cleaning agency
(12) it is located at the lower section of first valve (11)；Second pipe cleaning agency is connected on second blanking pipe (20)
(22), and the second pipe cleaning agency (22) is located at the lower section of second valve (21), also connects on the flash tank (2)
It is connected to pressurising mechanism (23).
2. the screenings tapping equipment according to claim 1 for organosilicon production, which is characterized in that the first pipe
Cleaning agency (12) and second pipe cleaning agency (22) include air accumulator (120), are connected on the air accumulator (120)
The first stop valve (122) for cleaning pipeline (121) and being set on cleaning pipeline (121), and first stop valve
(122) it is connected with the control mechanism.
3. the screenings tapping equipment according to claim 1 for organosilicon production, which is characterized in that the pressurising mechanism
(23) include pressurized can (230), the pressurised pipeline (231) being connected between the pressurized can (230) and flash tank (2) and set
Set the second stop valve (232) on the pressurised pipeline (231).
4. the screenings tapping equipment according to claim 1 for organosilicon production, which is characterized in that the weighing monitoring
Mechanism (3) includes weighing tank body (30), is set to the gravity sensor weighed on tank body (30) and is located at the intracorporal third of tank
Liquid level sensor, and the third liquid level sensor and the control mechanism communicate to connect.
5. the screenings tapping equipment according to any one of claims 1 to 4 for organosilicon production, which is characterized in that institute
The feed end for stating flash tank (2) is connected with exhaust pipe (4), and the exhaust pipe (4) connects far from the end of the flash tank (2)
It is connected to emptying absorption plant (5), is connected with the admission line being connected to the exhaust pipe (4) on weighing tank body (30)
(6), emptying regulating valve (7) is provided on the exhaust pipe (4).
6. the screenings tapping equipment according to claim 1 for organosilicon production, which is characterized in that the revaporizer
(1) mixing component (8) are provided in and in flash tank (2).
7. the screenings tapping equipment according to claim 6 for organosilicon production, which is characterized in that the control mechanism
Including data collecting card (101), control circuit (102) and controller (103), the data collecting card (101) respectively with institute
The first liquid level sensor, the second liquid level sensor, third liquid level sensor and data collecting card (101) communication connection are stated, it is described
Control circuit (102) respectively with the controller (103), the first valve (11), the second valve (21), the first stop valve (122)
And second stop valve (232) communication connection.
8. special using the discharge method of the described in any item screenings tapping equipments for organosilicon production of claim 1 to 7
Sign is, comprising the following steps:
Step is 1.: revaporizer (1) blanking: the size of discharge quantity as needed sets the discharge quantity of revaporizer (1), opens
The first stop valve (122) of first pipe cleaning agency (12), by first pipe cleaning agency (12) to the first blanking pipe
(10) initial stage cleaning is carried out, then the first valve (11) is opened by controller (103) and carries out revaporizer (1) blanking operation,
When revaporizer (1) interior liquid level drops to regulation liquid level, close the first valve (11)；Then it is opened by controller (103)
First stop valve (122), to be cleaned again by first pipe cleaning agency (12) to the first blanking pipe (10)；
Step is 2.: flash tank (2) blanking: after revaporizer (1) blanking, opening the second cutting on pressurising mechanism (23)
Valve (232) carries out pressurising operation to flash tank (2), when the interior pressure of flash tank (2) reaches specified pressure, closes the second cutting
Valve (232)；Then the first stop valve (122) on second pipe cleaning agency (22) is opened, second pipe cleaning agency is passed through
(22) the second blanking pipe (20) is cleaned for the first time, after the completion of cleaning, closes the first stop valve (122), opens the second valve
Door (21) carries out discharge, when flash tank (2) liquid level reaches designated position, closes the second valve (21)；Second pipe is opened again
The first stop valve (122) of cleaning agency (22) carries out secondary cleaning to the second blanking pipe (20)；
Step is 3.: when weigh tank body (30) liquid level or weight reach the setting upper limit when, stop discharge, and to weighing tank body (30)
It is replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692717.XA CN110314400A (en) | 2019-07-30 | 2019-07-30 | A kind of screenings tapping equipment and its discharge method for organosilicon production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692717.XA CN110314400A (en) | 2019-07-30 | 2019-07-30 | A kind of screenings tapping equipment and its discharge method for organosilicon production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110314400A true CN110314400A (en) | 2019-10-11 |
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ID=68124977
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692717.XA Pending CN110314400A (en) | 2019-07-30 | 2019-07-30 | A kind of screenings tapping equipment and its discharge method for organosilicon production |
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| Country | Link |
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| CN (1) | CN110314400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053739A (en) * | 2021-11-30 | 2022-02-18 | 攀钢集团钒钛资源股份有限公司 | Evaporation and deslagging device and method for refined vanadium-removing slurry |
-
2019
- 2019-07-30 CN CN201910692717.XA patent/CN110314400A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053739A (en) * | 2021-11-30 | 2022-02-18 | 攀钢集团钒钛资源股份有限公司 | Evaporation and deslagging device and method for refined vanadium-removing slurry |
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