CN203164177U

CN203164177U - Dynamic drainage jar

Info

Publication number: CN203164177U
Application number: CN 201320155429
Authority: CN
Inventors: 徐永建; 闫瑛
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2013-03-29
Filing date: 2013-03-29
Publication date: 2013-08-28
Anticipated expiration: 2023-03-29

Abstract

The utility model provides a dynamic drainage jar (DDJ) comprising a DDJ body which is provided with a flow valve and a liquid level sensor, and a controller panel which is arranged on a bracket and provided with a transmitter and a timing controller, wherein the input end of the transmitter is connected with the liquid level sensor, and the timing controller is connected with the input end of the flow valve. According to the DDJ, the controller panel with the transmitter and the timing controller is arranged on the base bracket so as to connect the transmitter with the liquid level sensor and connect the timing controller with the flow valve; and the time or flow can be specified by using the control panel so that the DDJ body has two working modes. The flow valve is controlled by the timing controller, thus the response time and the operation time in the manual operation are reduced, and thus errors caused in a testing process are avoided, and the experimental testing accuracy and stability are improved. According to the improved DDJ, an operation process is simplified and the testing efficiency is increased.

Description

A kind of dynamic drainage instrument

Technical field

The utility model belongs to the checkout equipment field, relates to a kind of drainage instrument, relates in particular to a kind of dynamic drainage instrument.

Background technology

Paper sheet formation is most important one section process in the papermaking, and in this process, the fiber fines in the slurry and the chemicals of interpolation will keep as far as possible, with raising fibrous raw material utilization factor, and circulation plain boiled water load in the reduction system; Simultaneously, slurry needs that also water filtering performance is preferably arranged, to satisfy the stability of paper sheet formation in the high-speed paper machine.Therefore, retention and drainage rate are two important indicators estimating page papermaking process and paper machine operation performance, and in the laboratory, these two indexs generally adopt DDJ formula dynamic drainage instrument to measure.

Yet, in present DDJ formula dynamic drainage instrument operating process, the valve of current and the time of outflow all adopt manually mode to control, controlling stopwatch and observe operating personnel needs certain reaction time in the process of graduated cylinder and water speed in the outflow process in the slurry is very fast, in during this period of time, can additionally leach some water, thereby cause experimental error, make measurement result inaccurate, influence subsequent analysis.

The utility model content

The purpose of this utility model be to provide a kind of can self-clocking, the dynamic drainage instrument of automatic gauge.

For achieving the above object, the utility model has adopted following technical scheme: comprise base, support and rack-mount motor agitators and resin container carriage, the below of motor agitators is provided with the resin container that holds slurry to be determined, and resin container is placed on the resin container carriage; The bottom of resin container and resin container carriage offers through hole, and is provided with rubber plug in this through hole; The below of rubber plug is connected with the rubber hose of band flow valve, and the end of rubber hose is connected with the glass tube water dropper, and the below of glass tube water dropper is provided with the water receiving graduated cylinder of band liquid level sensor, and the water receiving graduated cylinder is installed on the base; The controller panel of band transmitter and timing controller is installed on the support; The input end of described transmitter links to each other with liquid level sensor, and timing controller links to each other with the control input end of flow valve.

Above-mentioned timing controller comprises timing control chip, and the display screen that links to each other with timing control chip respectively, A/D converter and some buttons; Described timing control chip links to each other with the input end of flow valve and the output terminal of transmitter respectively by A/D converter.

Above-mentioned flow valve is the flow valve of electronic control.

It is 8 CMOS microcontrollers of AT89S52 that above-mentioned timing control chip adopts model; P1.0 to the P1.3 interface of described AT89S52 links to each other with display screen, and P1.4 to P1.7 is connected with some buttons; The P0.0 of described AT89S52 and P0.1 are connected respectively on the output terminal of the input end of flow valve and transmitter by A/D converter.

The upper end of above-mentioned rubber hose is filled in the rubber plug and is connected with resin container.

Than prior art, the utlity model has following beneficial effect:

The utility model is by being provided with the control panel of transmitter and timing controller at base support, transmitter is linked to each other with liquid level sensor, timing controller links to each other with flow valve, utilize the control panel can stipulated time or regulation flow, make DDJ formula dynamic drainage instrument have two kinds of mode of operations, that is, a kind of mode of operation is used for leaching the water yield in the mensuration stipulated time, and another kind of mode of operation is used for measuring the regulation drainage needed time of amount.By timing controller flow valve is controlled, reduced the reaction time and the running time that exist in the manually-operated process, thereby avoided the error that produces in the mensuration process, improve measuring accuracy and stability.Modified version DDJ type dynamic drainage instrument described in the utility model has also been simplified operating process, has improved determination efficiency.

Description of drawings

Fig. 1 is front view of the present utility model;

Fig. 2 is the vertical view of the utility model support;

Fig. 3 is the structural representation of clocking capability tank level control system described in the utility model;

Fig. 4 is timing controller structural drawing described in the utility model.

Wherein: 1 is motor agitators; 2 is resin container; 3 is the resin container carriage; 4 is rubber plug; 5 is rubber hose; 6 is flow valve; 7 is the glass tube water dropper; 8 is the water receiving graduated cylinder; 9 is support; 10 is control panel; 11 is transmitter; 12 is liquid level sensor; 13 is timing controller; 14 is display screen; 15 is button; 16 is timing control chip; 17 is A/D converter; 18 is base.

Embodiment

Below in conjunction with accompanying drawing the utility model is done further and to be elaborated:

Referring to Fig. 1 to Fig. 4, the utility model comprises the DDJ formula dynamic drainage instrument that has flow valve 6 and liquid level sensor 12, and be installed in band transmitter 11 on the support 9 and the controller panel 10 of timing controller 13, wherein, flow valve 6 is the flow valve of electronic control; DDJ formula dynamic drainage instrument comprises base 18, support 9 and is installed in motor agitators 1 and resin container carriage 3 on the support 9 that the below of motor agitators 1 is provided with the resin container 2 that holds slurry to be determined, and resin container 2 is placed on the resin container carriage 3; The bottom of resin container 2 and resin container carriage 3 offers through hole, and is provided with rubber plug 4 in this through hole; The below of rubber plug 4 is connected with the rubber hose 5 of band flow valve 6, and the upper end of this rubber hose 5 is filled in the rubber plug 4 and is connected with resin container 2; The end of rubber hose 5 is connected with glass tube water dropper 7, and the below of glass tube water dropper 7 is provided with the water receiving graduated cylinder 8 of band liquid level sensor 12, and water receiving graduated cylinder 8 is installed on the base 18.The input end of transmitter 11 links to each other with liquid level sensor 12, and timing controller 13 links to each other with the control input end of flow valve 6.Timing controller 13 comprises timing control chip 16, and the display screen 14 that links to each other with timing control chip 16 respectively, A/D converter 17 and some buttons 15; It is 8 CMOS microcontrollers of AT89S52 that timing control chip 16 adopts model; P1.0 to the P1.3 interface of described AT89S52 links to each other with display screen 14, and P1.4 to P1.7 is connected with some buttons 15; The P0.0 of described AT89S52 and P0.1 are connected respectively on the output terminal of the input end of flow valve 6 and transmitter 11 by A/D converter 17.

Principle of work of the present utility model and the course of work:

Dynamic drainage instrument described in the utility model has two kinds of mode of operations, and a kind of mode of operation is to measure in the stipulated time to leach the water yield, and another kind of mode of operation is to measure the regulation drainage needed time of amount.Concrete workflow is as follows: will be positioned in the resin container 2 with the slurry of measuring, starting motor 1 stirs, treat the stable back of speed of agitator turn-on flow rate valve 6, the water that filters out in the slurry namely flows out through rubber plug 4, rubber tube 5 and glass tube water dropper 7, enters in the water receiving graduated cylinder 8.Under first kind of mode of operation, set the stipulated time by button 15, the clocking capability tank level control system picks up counting when opening flow valve 6, when the time arrives the stipulated time, the clocking capability tank level control system can be closed

flow valve

6,12 of liquid level sensors will this moment liquid level signals pass to control system, control system is then with its record and be presented on the display screen 14, thereby finishes measured drainage amount in the stipulated time; Under second kind of mode of operation, set the liquid level signal value by button 15, the timing tank level control system picks up counting when opening flow valve 6, the liquid level that records when liquid level sensor 12 with set the liquid level signal value when identical, the timing tank level control system is then closed valve 6, the record shut-in time also is presented on the display screen 14, thereby measures regulation drainage amount required time.

As shown in Figure 3 and Figure 4, the utility model can be set level value and two kinds of patterns of time value in the timing control chip 16 by button 15, and is concrete:

When being in the setting-up time value, timing control chip 16 was communicated with the P0.0 passages after setting was finished, and flow valve 6 is opened, and pick up counting this moment, and when the time arrived the setting-up time value, timing control chip 16 disconnected the P0.0 passages, and flow valve 6 is closed; Liquid level sensor 12 is measured the liquid level in the water receiving graduated cylinder 8 at any time, and it is flowed to transmitter 11 as signal; Transmitter 11 converts the signal that receives to standard output signals connection P0.1 passage and flows to timing control chip 16, then level value is shown on the display screen 14.

When being in setting level value pattern, timing control chip 16 was communicated with the P0.0 passages after setting was finished, and flow valve 6 is opened, and pick up counting this moment, and be presented on the display screen 14; Liquid level sensor 12 is measured the liquid level in the water receiving graduated cylinder 8 at any time, and it is flowed to transmitter 11 as signal; Transmitter 11 converts the signal that receives to standard output signals connection P0.1 passage and flows to timing control chip 16; Timing control chip 16 with the signal that receives and the signal contrast analysis of importing setting, disconnects the P0.0 passage by internal processes, and flow valve 6 is closed, and this moment, timer stopped, and time signal is shown on the display screen 14.

The utility model all can be by the button settings stipulated time on the control panel or regulation flow in two kinds of mode of operations, by timing controller flow valve is controlled then, the reaction time and the running time that exist in the manually-operated process have been reduced, thereby avoided the error that produces in the mensuration process, improved measuring accuracy and stability.The utility model dynamic drainage instrument has also been simplified operating process, has improved determination efficiency.

Claims

1. dynamic drainage instrument, it is characterized in that: comprise base (18), support (9) and be installed in motor agitators (1) and resin container carriage (3) on the support (9), the below of motor agitators (1) is provided with the resin container (2) that holds slurry to be determined, and resin container (2) is placed on the resin container carriage (3); The bottom of resin container (2) and resin container carriage (3) offers through hole, and is provided with rubber plug (4) in this through hole; The below of rubber plug (4) is connected with the rubber hose (5) of band flow valve (6), the end of rubber hose (5) is connected with glass tube water dropper (7), the below of glass tube water dropper (7) is provided with the water receiving graduated cylinder (8) of band liquid level sensor (12), and water receiving graduated cylinder (8) is installed on the base (18); The controller panel (10) of band transmitter (11) and timing controller (13) is installed on the support (9); The input end of described transmitter (11) links to each other with liquid level sensor (12), and timing controller (13) links to each other with the control input end of flow valve (6).

2. dynamic drainage instrument according to claim 1, it is characterized in that: described timing controller (13) comprises timing control chip (16), and the display screen (14) that links to each other with timing control chip (16) respectively, A/D converter (17) and some buttons (15); Described timing control chip (16) links to each other with the input end of flow valve (6) and the output terminal of transmitter (11) respectively by A/D converter (17).

3. dynamic drainage instrument according to claim 1 and 2, it is characterized in that: described flow valve (6) is the flow valve of electronic control.

4. dynamic drainage instrument according to claim 2 is characterized in that: it is 8 CMOS microcontrollers of AT89S52 that described timing control chip (16) adopts model; P1.0 to the P1.3 interface of described AT89S52 links to each other with display screen (14), and P1.4 to P1.7 is connected with some buttons (15); The P0.0 of described AT89S52 and P0.1 are connected respectively on the output terminal of the input end of flow valve (6) and transmitter (11) by A/D converter (17).

5. dynamic drainage instrument according to claim 1 is characterized in that: the upper end of described rubber hose (5) is filled in the rubber plug (4) and is connected with resin container (2).