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Crawler type ceramic heating plate
Jun 12, 2018

product manual

(A) Introduction

1, structure

    LCD-type tracked ceramic electric heater is the use of high strength, good thermal radiation performance of lead oxide ceramic components for insulation materials, with high-quality nickel-chromium cable for heating, wear a good heater can be rectangular or triangular. Its nickel chrome cable and wire connected with the new process of welding joints all filled ceramic components within the reliable insulation, ceramic heaters and control equipment supporting Serve a complete heat treatment system their connection using a special connector, and according to The distance between the workpiece and the control device is connected to the long conductor.

(2) LCD type tracked ceramic electric heater model, specifications rated parameters.

Specifications Model

Rated voltage V

Rated power KW

Maximum operating temperature ℃

Heating surface size mm

LCD-220-25

220

10

1000

660 × 330

LCD-220-50

220

10

1000

1320 × 165

LCD-220-100

220

10

1000

2640 × 82.5

LCD-220-13

220

10

1000

345 × 640

LCD-220-16

220

10

1000

430 × 520

LCD-220-32

220

10

1000

860 × 260

LCD-220-64

220

10

1000

1720 × 130

LCD-110-24

110

5

1000

630 × 165

LCD-110-48

110

5

1000

1260 × 82.5

LCD-110-12

110

5

1000

315 × 330

LCD-110-16

110

5

1000

430 × 250

LCD-55-20

55

2.5

1000

530 x 82.5

LCD-55-20

55

2.5

1000

265 × 165

Instructions

    Heat the workpiece according to the heat treatment. Specifications of the pipeline project to use low-voltage heater can be used ZCD-type finger-like ceramic heater, pipe fittings and other special geometric shape of the workpiece finger heater and crawler heater can not be coated with rope-like ceramic heater, Large pipes, containers, steel structure, wind ditch and other general workpiece can be used crawler ceramic heater. Here's how to use the heater specifications and how to use.

    1, according to the heat treatment of the workpiece to determine the heater area, that is, heating area, the specific requirements should be based on heat treatment and workpiece wall thickness. Set the heating area to A

         A = L x H (m)

         L: the length of the workpiece for heat treatment

         The length of the round workpiece L = D, D for the workpiece diameter

         H: for heating width

Heating width H, that is, ceramic heater width. H take how much is appropriate, we according to foreign local heat treatment specifications, that in general, desirable H = (7-10) on it. Φ is the wall thickness of the workpiece.

    2, to determine the power required for the heat treatment, the choice of the corresponding control equipment. Determine the control point to divide the control area, and a reasonable placement of thermocouple. In order to ensure the accuracy of the instrument to measure the temperature, the thermocouple head should be put on the stainless steel head, with spot welding in the heat treatment of the workpiece, some of the more sensitive materials should be preheated with acetylene gun to 250 or so to point Welding, to prevent the occurrence of cracks, spot welding need to pay attention to the efficiency of the head with the work should not be close to the angle. Thermocouple with K type nickel chrome / nickel silicon. The thermocouple is not long enough to use the compensation wire for a long time. The copper wire (positive electrode) should be connected to the thermocouple nickel-chromium wire (non-magnetic), and the copper wire (negative electrode) should be connected to the thermocouple Ni-Si wire (magnetic).

    3, according to the heat treatment of the workpiece will be required for the tracked ceramic heating with stainless steel wire together (two spacing should not exceed the wall thickness) and then covered in the heating of the workpiece, with stainless steel wire or stainless steel band tied tight ceramic electric heater, Do not make the heater partial suspension of the workpiece, so as not to heat part of the heat transfer is too slow and burned. Also note that the heater can not overlap with each other, otherwise the heater will soon burn out.

    4, in the heat treatment heater must be laid on the insulation layer, otherwise there will be a lot of heat loss and the temperature does not go on the phenomenon. Insulation material We advocate the use of aluminum silicate fiber needle blanket insulation layer thickness of 50-80 mm, width according to the width of the heater. Generally about twice the width of the heater. Insulation layer covered in the heater above, and then tied with a wire or flat steel belt, the heater wire (ie wire) can not be wrapped in the insulation layer, so as to avoid the insulation layer caused by short circuit. Container work should also try to lay the appropriate insulation layer, fixed method according to the use of site decisions, conditional use of tooling, in short, according to local conditions to take facilities. Note that both sides of the heater can not be laid at the same time insulation layer, even if a small place is not OK.

    5, the connection of each heater according to the temperature control point corresponding to the control device connected to the lead and control equipment, the distance is not enough, can be used to take a long connection of long wire, and then can be connected to the control device output socket, the The company produces a socket with bumps. In the use of the plug will be flat groove on the socket on the socket inserted, and then tighten the clockwise, tightened will not pull out, so use this connector easy and reliable

    6, the heater power cord all connected, should be checked in detail whether the short circuit, the heater lead, thermocouple compensation wire is touched on the heating body. Check the power is heated, the first operation with the control device to test the action, to be sure when the power can be heated. The use of the control equipment is detailed with its instruction manual. Thermocouple, ceramic heater installation and connection with control equipment

Precautions

     1, I plant production of LCD tracked ceramic electric heater and SCD type rope-like ceramic electric heater rated current of 45A. Voltage 220V, 110V, 55V and other files. But should pay attention to adjust the output voltage of the control device must not be greater than the rated current of the ceramic electric heater, the voltage must not exceed 10% of the rated, so as not to breakdown thyristors and heaters.

        2, the general rated working voltage of 220V ceramic heater can be directly connected to the control device output socket, if the two rated operating voltage 110V heater can be used in a special series wire in series, received control equipment output Socket, convenient and reliable.

        3, the heater wrapped in the workpiece when the Buen each overlap, if a long period of exposure can be exposed outside the insulation layer, can not be wrapped in the middle of the insulation layer, so as not to burn, you use ceramic electric heater if the press Explain the book to introduce the method to do, the maximum heater operating temperature up to 1000 ℃ does not burn.


Add: No. 16, Road 3, Sanjiang Industry Zone, Shengzhou, Zhejiang, China

Contact:Boris Yue      

Email: boris@benoelectric.com

Contact:Charles Yu     

Email: charles@benoelectric.com

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