Explosion-proof magnetic tilting plate level gauge

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The explosion-proof magnetic tilting plate level gauge can display the working condition and liquid …

Productoverview:

ZW-UHZ series Explosion-proof magnetic level gauge Applicable to all kinds of industrial production process pressure (or open) liquid storage equipment (tower, cylinder, tank, spherical container and boiler liquid level detection of liquid medium). Can display the work and all kinds of liquid level height. The position signal transmitter can teleport with level, achieve the automatic control and measurement of liquid level by certain electrical installations. Meter level meter is a reliable safety.

Because of the isolation of magnetic coupling sealed structure, especially suitable for the liquid level detection of flammable and explosive and corrosive toxic liquid, simple and safe and reliable so that the liquid level detection means the original complex environment change. Liquid level meter has the characteristics of direct reading display, does not need to set level meter, can monomer for the whole range of measurement. The equipment has less holes, clear display, eye-catching signs, visual reading etc.. When the liquid level meter with direct display instrument can save the intermediate transmission signal detection system to improve the transmission accuracy.

Two, work principle:

1, the basic type

ZW-UHZ series <strong style="white-space: normal;"> explosion-proof magnetic level gauge</strong> according to the principle of buoyancy, the float with the liquid level measuring tube at the lifting up and down inside the float magnet by magnetic coupling effect, driving the red and white flip turn column 180 'level rises, turn column turned from white to red, down, turn column by red turn white, in order to achieve the level of instruction.

2, limit switch output

The use of magnetic float with the liquid level gauge is installed in the mobile, the vertical tube set position switch, realize on-off control or alarm.

3, the electric remote

The magnetic level gauge transmitter installation. The sensor and transmitter converter is composed of two parts, the magnetic float moves up and down by the magnetic coupling of the measuring element in intraductal action, obtain the resistance signal changes, summoned into 0~10 or 4 ~ 20mA standard current signal output, and digital display connected to the instrument or computer, realize remote display and control.

Three, application:

ZW-UHZ series <strong style="white-space: normal;"> explosion-proof magnetic level gauge</strong> is suitable for industrial production in the process of pressure (or open) liquid storage equipment (tower, cylinder, tank, spherical container and boiler) of the liquid level detection. Can display the work and all kinds of liquid level height. The position signal transmitter can teleport with level, achieve the automatic control and measurement of liquid level by certain electrical installations.

Four, main features:

1, the display to indicate the level of red, the upper white area is no liquid, intuitive display, eye-catching, luminous effect is good.

2, liquid level measurement range, from the container size, shape and the limitation of the installation position, measurement process without blind area.

3, the liquid level display and the measured medium is completely isolated, safe and reliable.

4, wetted parts made of different materials, can be applied to the measurement of liquid level of various corrosive media.

5, high temperature, toxic and flammable and explosive medium level measurement, which has very strong applicability.

Five, technical parameters:

1, measurement range: 0-150-6000mm (more than 6000mm orders can be negotiated), accuracy: + 10mm.

2, medium density: 0.4-20g/cm3, medium density difference is not less than 0.15g/cm3.

3, working pressure: -0.1-42MPa.

4, working temperature: -160-450 degrees.

5, flange: flange diameter is DN20-DN150, the Ministry of chemical industry HG20592-97 standard flange flange standard, please specify when ordering the other flange standard users.

6, the environmental vibration frequency is less than or equal to 25HZ, the amplitude is less than 0.5mm.

7, flange material: carbon steel, 304, 316L.

8, follow the speed: less than 0.08m/s.

9, medium viscosity: less than 0.04Pa.

10, the leading tube material: 1Cr18Ni9Ti, 304, 316L, PP, PTEE, PTEE 304 stainless steel lining.

11, the leading tube diameter: 48, 57, Phi Phi Phi 62mm.

12, magnetic material is not higher than 80 DEG ABS = 80 DEG C: plastic, ceramic or metal.

13, the display is not higher than 80 DEG ABS: Material: plastic, more than 80 DEG C: Aluminum Alloy.

14, installation: vertical.

15, discharge valve: ball valve, needle valve.

Six, additional option:

1, the magnetic limit switch:

Open type: alarm with higher than;

Normally closed type: higher than the alarm off;

Switch capacity: 250VAC1A (resistive) 250VAC0.3A;

Switch life: 100000 times.

2, a liquid level transmitter:

Output current: 4-20mADC;

Resolution: + 1- + 10mm;

Load resistance: 500 ohms (24VDC power supply);

Transmission distance: 3000m;

Power supply: 16-30VDC.

3, intelligent liquid level transmitter:

Output current: 4-20ADC;

Resolution: 0.2mm;

Load resistance: 500 ohms (24VDC power supply);

Transmission distance: 3000m;

Power supply: 16-30VDC.

Seven, system components and wiring:

1, upper and lower limit switch output:

A self holding function and reed switch converter, reed switches and converters were installed in the field and control room, by the converter to provide three pairs of contact switch.

2, electric transmission:

A measuring unit and a transmission unit is composed of two parts.

3, explosion-proof:

A with explosion-proof, upper and lower limit switch output:

Safety explosion-proof switch gate switch and relay contacts of the reed which can be directly provided to users of a normally closed or open contact. If the user needs to contact more special design orders. (Figure three)

With the explosion of the remote type security b:

Suitable for use in class II (Electrical Equipment Factory), C gas, the surface temperature of group T4 (135 C).

Note the use of c:

The shell is provided with external transmitter, users must be reliable grounding.

The use of the safety gate shall comply with the instructions for use of content.

The connecting cable transmitter and barrier for industrial safety end for two core shielded cable, wire cross-sectional area of more than 0.5m, cable distributed capacitance is 0.8 F.

Eight, use and maintenance:

Use：

1, auxiliary instrument and accessories with the specific content of the corresponding instrument and accessories see instructions.

2, to prevent a distance or move away in the process of float moves up and down in the main duct damage, lateral supporting special steel factory calibration gauge (with color logo) will hold the magnetic float. So after receiving the product or after installation, please remove the correction magnet, so that the float can move along with the liquid level, before use if the magnetic reversal of inconsistent color correction, available the magnetic suction along the instrument can work normally.

3, level meter installed, with magnetic correction of magnetic guidance once to zero below zero above display red, white display.

4, level gauge according to user needs with a heating jacket or an electric heating device, such as when ordering does not select this option, and in the installation of self used heat pipe, temperature and mixed with heat generated by the device can not exceed the rated temperature level meter.

5, level meter into travel, should open the valve on the liquid guide pipe, and then, the liquid valve open long, let the liquid medium smoothly into the main canal, avoid the liquid medium with a rapid rise caused by magnetic reversal failure or disturbed (in case of this phenomenon can be used to correct the magnet).

Maintain：

1, level gauge cylinder should be solid impurities and magnetic impurities, so as to avoid jamming and weaken the buoyancy of the float.

2, according to the media, the leading tube can be cleaned regularly, cleaning tube deposition of impurities.

3, clean or replace the float on the liquid, open the drain flange into the magnetic float, should pay attention to the heavy and magnetic end up not flip!

4, the low temperature liquefied gas and special products, vacuum jacketed insulation main body level meter, the installation process be careful not to damage the jacket, so as not to affect the quality of the products.

Nine, the installation process:

1, after the factory, has assembled all the debugging, arrived at the scene, the first step must first clean up *, the need to install the equipment.

2, ready to install the necessary tools and bolts and manufacturers and distribution of the turning column indicates the calibration bar.

3, wipe scene flange, adjust equipment flange and magnetic level gauge flange on the straight, must keep the magnetic level gauge body vertical, and then put into the 4 hole bolt flange tool.

Ten, installation notes:

1, level gauge must be installed vertically, to ensure that the floating ball components in the main tube moving up and down freely.

2, liquid level meter around the main body does not allow the magnetizer near or directly affect level meter to work correctly.

3, liquid level meter is installed, need to use steel to correct a double bead guide to make zero position below zero above the display shows a red, white.

4, liquid level meter is put into operation should first open the liquid guide pipe valve and allow smooth liquid medium into the main pipe, avoid liquid medium with floating ball components caused by the rapid rise, turn turn bead failure and shuffle. If this occurs to the surface smooth available after re correction magnet.

5, due to the transport process in order not to float the component damage, before the factory will float out of the main pipe component level meter, liquid meter after installation, open the bottom discharge flange, then float assembly back in the main tube, pay attention to a heavy floating ball assembly on the head, not flip.

6, according to the media, can regularly open the sewage main pipe flange cleaning sediment.

Eleven, selection and installation:

1, we must first understand the equipment running their own situation, what is the measuring medium, even if they do not need to know what material, our company also can determine the material according to the medium used equipment.

2, when equipped with the remote meter to do the following, should make the remote meter to gauge leading tube, stainless steel hoop is fixed (disable iron); the remote meter should be on the surface should be oriented and close to the main duct; the remote meter should be zero and gauge zero instructions in the same horizontal line; remote meter and display instrument or computer connection alone wear protective pipe laying or shielding two core cable connection box; a wire inlet hole after laying, requires good sealing, in order to avoid rain, moisture intrusion and make remote matching instrument can not work normally, the junction box in the repair or completion of commissioning should be timely cover.

3, according to the media, cleaning the main duct to remove impurities;

4, for more than a certain length (common type > 3 meters, 2 meters, anti-corrosion type) of the liquid level meter, need to increase the middle reinforcement flange or lug fixed support, to increase the strength and overcome their weight;

5, magnetic position, board level meter should be avoided or away from materials import and export department, to avoid the rapid change of fluid material in local area, affecting the accuracy of liquid level measurement;

6, when debugging, should open the upper guide pipe valve, and then slowly open the valve at the lower part, so that medium smooth entry duct (to avoid the rush of media should be run in the float float, cause drama column fluctuation, affecting the display accuracy), observe the red ball magnetic flip is normal, and then close the lead pipe valve, open the drain valve so, the main duct level drops, according to the method, the operation three times, it is normal, can be put into operation (except special corrosive liquid); magnetic level gauge in the market there are other names, also called magnetic level gauge, or magnetic level gauge, also called magnetic float liquid level gauge. But they need to know the order parameter is certain, such as corrosive medium needs anticorrosive material, corrosion corrosion grade equivalent grade according to the changes of the medium. For example, the special situation of their own equipment, determine the installation mode of the magnetic level gauge, because some places do not fit or do not apply some installation methods.

Twelve, the selection of encoding:

Thirteen, please provide the following data:

1, specifications; magnetic level gauge: ZW-UHZ series;

2, the measured medium Name: medium density: if you do not know the density, can tell us the name of the medium, which is composed of mixed liquid to know several liquid;

3, the instrument measuring range: also known as nominal length, which is a flange of the center distance, or look at the scale of products already in use;

4, working pressure: pressure;

5, working temperature: measure the temperature of the liquid;

6, material requirements: wetted materials, such as do not know what kind of material, can give us advice (general liquid is what material we can use what material);

7, supporting the supply of flanges, bolts and nuts, valve, sealing washers and other accessories;

8, standard: flange flange nominal diameter, using conventional flange is DN20 or DN25;

9, special requirements: please indicate in detail before ordering, such as whether or not to take the remote, insulation jacket etc..

Customer service service commitment:

1, our level meter series products quality problems within twelve months, responsible for free maintenance.

2, the warranty period if the products of our company have any quality problems, our company is responsible for free repair or replacement.

3, the warranty period if the user use undeserved, cause damage to the product, our company is responsible for the maintenance, collect the damaged parts cost.

4, after the warranty period of product quality problems, our company is responsible for the maintenance, collect the damaged parts cost.

5, if the user needs to our service, our company in the province of the user service personnel arrived at the scene within 12 hours, arrived at the scene 48 hours outside users.