CN220495676U - Automatic control device for filtering and leaking materials of white carbon blackboard frame by precipitation method - Google Patents
Automatic control device for filtering and leaking materials of white carbon blackboard frame by precipitation method Download PDFInfo
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- CN220495676U CN220495676U CN202321796442.2U CN202321796442U CN220495676U CN 220495676 U CN220495676 U CN 220495676U CN 202321796442 U CN202321796442 U CN 202321796442U CN 220495676 U CN220495676 U CN 220495676U
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- pipeline
- turbidity
- outlet
- filter press
- control device
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000001556 precipitation Methods 0.000 title claims abstract description 16
- 238000001914 filtration Methods 0.000 title claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 239000000706 filtrate Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000012066 reaction slurry Substances 0.000 claims abstract description 13
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 239000007858 starting material Substances 0.000 claims abstract description 4
- 239000008399 tap water Substances 0.000 claims abstract description 4
- 235000020679 tap water Nutrition 0.000 claims abstract description 4
- 239000006229 carbon black Substances 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract 1
- 230000003588 decontaminative effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses an automatic control device for filtering and leaking materials of a white carbon blackboard frame by a precipitation method, which comprises the following steps: the inlet pipeline of the material injection pump is connected with the outlet of the reaction slurry middle tank, the outlet pipeline is connected with the inlet of the reaction slurry plate heat exchanger, the inlet slurry pipeline of the filter press is connected with the outlet of the reaction slurry plate heat exchanger, the washing water pipeline of the filter press is connected with a tap water system, the filtrate outlet pipeline of the filter press is connected to the position right above the liquid receiving hopper, and the outlet of the liquid receiving hopper is connected with the filtrate sewage removing system pipeline; the signal alarm control device comprises a turbidity meter, an RMD-Z6 turbidity digital display, a DCS control system and an alarm bell, wherein the turbidity meter is arranged on a filtrate decontamination water system pipeline, the RMD-Z6 turbidity digital display is arranged in a central control room, and the DCS control system and the turbidity digital display RMD-Z6 are respectively connected with the turbidity meter, the alarm bell and a starter signal line of a motor of the injection pump. The utility model has convenient operation and reliable and efficient use, can give an alarm on the material leakage condition in the white carbon black filter pressing process in time, and automatically cuts off the power supply of the charging pump, thereby preventing the yield loss and the environmental pollution.
Description
Technical Field
The utility model relates to the technical field of precipitation method white carbon black preparation devices, in particular to an automatic control device for filtering and leaking materials of a precipitation method white carbon black board frame.
Background
The production process of the white carbon black by the precipitation method comprises precipitation reaction, aging, filter pressing, washing, pulping and spray drying. After the aged slurry enters the middle tank in actual production, two or more plate filter presses are driven into the middle tank for liquid-solid separation at each time, so that the production efficiency is improved; after passing through the plate filter press, the formed filter cake is prepared for the next working section, and the filtrate enters a collecting pipe to flow into a neutralization pond uniformly for treatment; the collecting pipe is provided with a disconnected opening and a funnel-shaped collecting device, so that the liquid outlet condition can be observed manually. The filtrate collection system has the following problems: in the process of pumping the slurry into the filter press by the material injection pump, the slurry is always directly discharged out and enters the filtrate to cause leakage due to uneven filter cloth or deformation of the filter plates, white carbon black particles are entrained in the filtrate and flow into the neutralization pond along the pipeline, the condition of the filtrate cannot be observed manually in time, the material feeding pump is turned off in time, the environment pollution is caused, the waste of products is caused, and the production cost and the sewage treatment load are increased.
Disclosure of Invention
The utility model aims to provide the automatic control device for filtering and leaking materials of the white carbon black frame by the precipitation method, which is convenient to operate, reliable and efficient to use, and can give an alarm on the material leaking condition in the white carbon black filter pressing process in time, automatically cut off the power supply of a charging pump and prevent the yield loss and environmental pollution.
In order to achieve the purpose, the automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method comprises a material injection pump 2, a filter press 6, a liquid receiving hopper 8 and a signal alarm control device; the inlet pipeline 1 of the injection pump is connected with the outlet of the reaction slurry middle tank, the outlet pipeline 3 of the injection pump is connected with the inlet of the reaction slurry plate heat exchanger, the inlet pipeline 4 of the filter press is connected with the outlet of the reaction slurry plate heat exchanger, the washing water pipeline 5 of the filter press is connected with a tap water system, the outlet pipeline 7 of the filter press filtrate is connected right above the liquid receiving hopper 8, and the bottom outlet of the liquid receiving hopper 8 is connected with the filtrate sewage removing system pipeline 9; the signal alarm control device comprises a turbidity meter 10, an RMD-Z6 turbidity digital display 11, a DCS control system 12 and an alarm bell 13, wherein the turbidity meter 10 is arranged on a filtrate sewage removing system pipeline 9, the RMD-Z6 turbidity digital display 11 is arranged in a central control room, and the DCS control system 12 and the RMD-Z6 turbidity digital display 11 are respectively connected with the turbidity meter 10, the alarm bell 13 and a motor starter of the material injection pump 2 through signal wires.
The instrument part of the automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method comprises a turbidity meter 10, an RMD-Z6 turbidity digital display 11 and a DCS control system 12, and the main principle is that a turbidity meter sensor is used for collecting the water turbidity of a filtrate sewage system pipeline 9, the water turbidity is changed into an electric signal, the electric signal is subjected to data conversion by the RMD-Z6 turbidity digital display 11 and then is output to a standard current signal of 4-20mA to a rear input module of the DCS control system 12, the electric signal is connected with a computer through software processing, parameter setting is carried out according to process requirements, a switch signal of an output module of the DCS control system 12 is given to an alarm bell, and the other switch signal is used for controlling the starting or stopping of the material injection pump 2 through an electric element of an electric control cabinet, so that the automatic control purpose is realized.
The upper control computer of the turbidity automatic control system is a Zhejiang middle-sized control system, is matched with a staff factory in a central control room, has a configuration software signal of JX-300XP, and is used for displaying and recording data of each process point and controlling.
In the material injection process of the filter press 6, detection data can be provided at any time when filtrate passes through the turbidimeter 10 and is transmitted to the RMD-Z6 turbidity digital display 11 and the DCS control system 12, and an alarm lower limit value and a control upper limit value are set on the DCS control system 12 according to experience values and are respectively used for controlling the alarm of material leakage and the closing of a motor, so that the problem that manual checking and control cannot be performed in time is solved; the turbidity meter transmits the instant value into the control system through the controller, and when the turbidity value is higher than the set alarm lower limit value, the DCS control system 12 starts the alarm bell 13 and sends out an alarm signal; if the alarm signal is not heard and processed in time manually, the DCS control system 12 automatically turns off the material injection pump 2 through the feedback adjustment device of the electric control cabinet when the turbidity value exceeds the set control upper limit value.
The automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method has the following technical characteristics and beneficial effects:
(1) Can give an alarm in time to the material leakage condition in the white carbon black filter pressing process, and automatically cut off the power supply of the charging pump, thereby preventing the loss of yield and environmental pollution.
(2) The whole device has low manufacturing and maintenance cost and is efficient and reliable to use.
(3) The working strength of operators is reduced.
(4) The device can be directly used for a press filtration post, has good use effect, can effectively detect the turbidity change condition of filtrate, accurately confirms the production state of each platen filter, and is convenient for operators to control in time.
Drawings
FIG. 1 is a schematic diagram of the automatic control device for filtering and leaking materials of a white carbon blackboard frame by a precipitation method.
Reference numerals: the device comprises an injection pump inlet pipeline 1, an injection pump 2, an injection pump outlet pipeline 3, a filter press inlet slurry pipeline 4, a filter press washing water pipeline 5, a filter press 6, a filter press filtrate outlet pipeline 7, a liquid receiving hopper 8, a filtrate sewage removing system pipeline 9, a turbidity meter 10, an RMD-Z6 turbidity digital display 11, a DCS control system 12 and an alarm bell 13.
Detailed Description
The automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method is further described in detail below with reference to the accompanying drawings and the specific embodiments.
The automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method disclosed by the utility model comprises a material injection pump 2, a filter press 6, a liquid receiving hopper 8 and a signal alarm control device; the inlet pipeline 1 of the injection pump is connected with the outlet of the reaction slurry middle tank, the outlet pipeline 3 of the injection pump is connected with the inlet of the reaction slurry plate heat exchanger, the inlet pipeline 4 of the filter press is connected with the outlet of the reaction slurry plate heat exchanger, the washing water pipeline 5 of the filter press is connected with a tap water system, the outlet pipeline 7 of the filter press filtrate is connected right above the liquid receiving hopper 8, and the bottom outlet of the liquid receiving hopper 8 is connected with the filtrate sewage removing system pipeline 9; the signal alarm control device comprises a turbidity meter 10, an RMD-Z6 turbidity digital display 11, a DCS control system 12 and an alarm bell 13, wherein the turbidity meter 10 is arranged on a filtrate sewage removing system pipeline 9, the RMD-Z6 turbidity digital display 11 is arranged in a central control room, and the DCS control system 12 and the RMD-Z6 turbidity digital display 11 are respectively connected with the turbidity meter 10, the alarm bell 13 and a motor starter of the material injection pump 2 through signal wires.
The following describes the working procedure of the automatic control device for filtering and leaking materials of the white carbon blackboard frame by the precipitation method in detail by referring to fig. 1:
during operation, reaction slurry is conveyed from an intermediate tank through an injection pump inlet pipeline 1, pressurized through an injection pump 2, subjected to heat exchange through an injection pump outlet pipeline 3, then conveyed to a plate heat exchanger, conveyed to a filter press inlet slurry pipeline 4, conveyed to a filter press 6 through a filter press washing water pipeline 5, and filtered liquid generated after washing in the filter press 6 is conveyed to a filtered liquid pipeline 7, a liquid receiving hopper 8 and a filtered liquid sewage system pipeline 9 through the filter press; in the process of filling materials of the filter press, the filtrate can immediately and continuously provide detection data when passing through the turbidimeter 10 and is transmitted to the RMD-Z6 turbidity digital display 11 and the DCS control system 12, an alarm lower limit value and a control upper limit value are set on the DCS control system 12 according to the empirical values, and when the turbidity value is higher than the set alarm lower limit value, the DCS control system 12 starts an alarm device to enable the alarm bell 13 to send an alarm signal; if the alarm signal and the processing are not found in time manually, when the turbidity value exceeds the set control upper limit value, the DCS control system 12 automatically stops the operation of the material injection pump 2 by giving a signal; after the cause is found out and the problem of excessive filtrate is solved, the system is manually recovered to carry out the working procedures of material injection, washing and the like of the filter press again.
Claims (1)
1. An automatic control device for filtering and leaking materials of a white carbon blackboard frame by a precipitation method comprises a material injection pump (2), a filter press (6) and a liquid receiving hopper (8); an inlet pipeline (1) of a material injection pump is connected with an outlet of a reaction slurry middle tank, an outlet pipeline (3) of the material injection pump is connected with an inlet of a reaction slurry plate type heat exchanger, an inlet slurry pipeline (4) of a filter press is connected with an outlet of the reaction slurry plate type heat exchanger, a washing water pipeline (5) of the filter press is connected with a tap water system, a filtrate outlet pipeline (7) of the filter press is connected to a position right above a liquid receiving hopper (8), and a bottom outlet of the liquid receiving hopper (8) is connected with a filtrate sewage removing system pipeline (9); the method is characterized in that: it also comprises a signal alarm control device; the signal alarm control device comprises a turbidity meter (10), an RMD-Z6 turbidity digital display (11), a DCS control system (12) and an alarm bell (13), wherein the turbidity meter (10) is arranged on a filtrate sewage removing system pipeline (9), the RMD-Z6 turbidity digital display (11) is arranged in a central control room, and the DCS control system (12) and the RMD-Z6 turbidity digital display (11) are respectively connected with the turbidity meter (10), the alarm bell (13) and a motor starter of a material injection pump (2) through signal wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321796442.2U CN220495676U (en) | 2023-07-10 | 2023-07-10 | Automatic control device for filtering and leaking materials of white carbon blackboard frame by precipitation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321796442.2U CN220495676U (en) | 2023-07-10 | 2023-07-10 | Automatic control device for filtering and leaking materials of white carbon blackboard frame by precipitation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220495676U true CN220495676U (en) | 2024-02-20 |
Family
ID=89874573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321796442.2U Active CN220495676U (en) | 2023-07-10 | 2023-07-10 | Automatic control device for filtering and leaking materials of white carbon blackboard frame by precipitation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220495676U (en) |
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2023
- 2023-07-10 CN CN202321796442.2U patent/CN220495676U/en active Active
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