What should I pay attention to when selecting an oil heater?

Hot oil electric heater has the function of over-temperature alarm, low-oil level alarm and over-pressure alarm, it is a kind of high-efficiency and energy-saving heating equipment in chemical, textile, printing and dyeing, food, plastic, film and other industries

1. In order to ensure the normal service life and thermal conductivity effect of heat conduction oil, it is strictly forbidden to use it over temperature.

2. In use, it should be carefully inspected, and the waterproof, acid, alkali and low boiling point leakage into the use system should be installed, and the system should be equipped with a filter device to prevent all kinds of debris from entering and ensure the purity of the oil.

3. The heat conduction oil electric heater uses Sida heat conduction oil as the heat carrier boiler of oil and gas, and the system should be equipped with expansion tank, oil storage tank, safety components, measuring instruments and control devices.

4. When the heat conduction oil electric heater is put into use, in the beginning of the operation stage, start the circulating oil pump first, run for half an hour, and then ignite the temperature, the first use should be slowly warmed, the temperature per hour should rise about 20, when the temperature rises to 180 200, and then keep warm for a period of time before it can be put into normal use.

Nanjing Ou Neng Machinery Oil Heater.

We are a manufacturer of oil heaters, and the oil heaters on the market are uneven.

I think the most important thing to make sure is to buy an oil heater.

1.Whether the machine head and circulating water pump are new, and whether the temperature resistance meets the requirements (affecting the operating capacity and life).

2.Whether the heating wire is used well.

3.Whether the pipeline design is reasonable and beautiful. There are also electrical appliances, control panels, are there some protection measures, overload, lack of phase, etc. Controllers with text display are always better than controllers with ** display.

According to the production experience of Xide mechanical heat transfer oil heater manufacturers for many years, first of all, it is necessary to adapt the heat conduction oil heater with their own company's equipment, and Xide can provide you with free solutions and parameters suitable for you

1. Keep the inlet and outlet valves and pipelines unblocked, and stop heating when the pressure is abnormal;

2. Check whether the cooling water is circulating before use to prevent damage to the high-temperature oil temperature machine due to insufficient cooling water;

3. The heat transfer oil is replaced regularly, not just supplemented. The time of oil change is determined according to the frequency of use and the temperature of use;

4. The pipeline needs to be cleaned regularly, and the mesh cover in the filter is recommended to be cleaned once a month;

5. Check whether the oil pump is leaking, if necessary, the pump shaft seal can also be replaced regularly;

6. When cleaning, the high-temperature oil temperature machine must be turned off, and the power switch must be cut off at the same time;

7. Do not use water to clean the machine, otherwise it will cause electric shock.

1. The component is allowed to work under the following conditions:

a.The relative humidity of the air is not more than 95%, and there is no ** and corrosive gas. (except explosion-proof heaters).

b.The working voltage should not be greater than times the rated value, and the shell should be effectively grounded.

c.Insulation resistance 1m Dielectric strength: 2kv 1min.

2. The electric heating pipe should be positioned and fixed, and the effective heating area must be immersed in liquid or metal solid, and it is strictly forbidden to burn empty. When it is found that there is scale or carbon on the surface of the pipe body, it should be cleaned and reused in time to avoid affecting heat dissipation and shortening the service life.

3. When heating fusible metal or solid nitrate, alkali, asphalt, paraffin, etc., the use voltage should be reduced first, and the rated voltage can be raised to the rated voltage only after the medium is melted.

4. When heating the air, the components should be arranged evenly across so that the elements have good heat dissipation conditions and the flowing air can be fully heated.

5. Safety measures should be considered when heating nitrate to prevent accidents.

6. The wiring part should be placed outside the insulation layer to avoid contact with corrosive, high-quality medium and moisture; The lead wire should be able to withstand the temperature and heating load of the wiring part for a long time, and the wiring screws should be tightened with excessive force.

7. The components should be stored in a dry place, if the insulation resistance is lower than 1m due to long-term placement, it can be dried in an oven of about 200, or the voltage can be reduced and heated until the insulation resistance is restored.

8. The magnesium oxide powder at the outlet end of the electric heating pipe should avoid the infiltration of pollutants and moisture in the place of use, and prevent the occurrence of leakage accidents.

9. Non-staff should be in a hurry.

Hello, the method of choosing a heat transfer oil heater in each industry is different, it is best to consult a more professional heat transfer oil heater manufacturer, such as: with German machinery and Geweisi machinery, the manufacturer will help you out of a detailed plan for free, as long as the manufacturer out of the program What problems can also find the manufacturer, but also return.

Reactor heat transfer oil heater temperature control machine, reaction kettle heat transfer oil heater equipment selection parameters:

1. The size of the reactor;

2. The weight of the reactor;

3. The volume of the reactor jacket or coil;

4. Parameters of the materials in the reactor: density, specific heat, viscosity, etc. 5. The temperature that the materials in the reactor need to reach, and the time requirements for heating to this temperature;

6. What is the size of the inlet and outlet of the reactor jacket;

7. Whether refrigeration or explosion-proof is required;

8. Whether the drawings of the reactor can be provided;

9. Process requirements for reactor work;

10 How much pressure can be withstood by the reactor jacket or coil;

11. How far is the heat transfer oil heater of the reactor from the reactor and the size of the connecting pipe diameter;

The basic parameters of the heat transfer oil heater machine of the reactor: Model unit AEOT-30 AEOT-40 AEOT-75 AEOT-75 AEOT-100 ControlRange 350 Power AC3 phase 380V50Hz Accuracy KW PID 1 Heating capacity KW 18 36 48 60 72 Pump power Power KW 3 Maximum Power Consumption PowerSupply KW 39 Pump Flow Head Pump Folw Head M3 H M 10 28 18 40 18 40 30 48 Expansion Tank Capacity L 50 50 100 100 150 Circulation Oil Pipe DN DN40 DN40 DN50 DN50 DN65 Dimensions LXWXH M Weight weight kg 220 240 350 480 600

1. Through the power calculation of the oil heater, the corresponding model can be selected

a.Heating power: kw = w t c s 860 tw = mold weight kg t = temperature difference between the required temperature and the starting temperature c = specific hot oil molten steel 1 plastic oil density.

2. t = the time (hours) to heat to the desired temperature

b.Select the power of the pump: you need to know the flow rate and pressure (head) required by the user p pressure = head m a (heat transfer ** specific gravity, water = 1 oil =

3. l flow rate = q (calorie per hour required by the mold) c (**specific hot water = 1 oil = circulation** temperature difference in and out of the mold) a 60.

When choosing the right heat transfer oil heater, pay attention to the following points:

First, choose the right heat transfer oil heater according to the temperature needs. Heat transfer oil heaters are now divided into two types of temperature control, one is heating temperature control, the other is refrigeration temperature control, and second, according to the power selection of heat transfer oil heater.

Thirdly, it is selected according to the workpiece configuration of the heat transfer oil heater.

Fourth, the manufacturer's production qualification. A qualified and efficient heat transfer oil heater is strictly product inspection and production standards in all aspects, and you can go to the heat transfer oil heater manufacturer for inspection.

There are many brands of heat transfer oil, such as Nanjing Ou Neng Machinery's heat transfer oil uses Mobil 605, as well as Solutia T66, which is a heat transfer oil with better performance, and there is a domestic Great Wall heat transfer oil 320 series, 300 series, etc.

It is recommended to consult the manufacturer to see.

Heaters recommended manufacturers in Jiangsu, compared with other places, the quality of Jiangsu is better, previously purchased in Jiangsu Medium Heat Machinery, the scale of the manufacturer is very large, the production strength is good, you can consider it, if you are not at ease, you can go to the manufacturer to inspect it, compare a few, you will know how to choose.

Heat transfer oil is a heat transfer medium, because of its uniform heating, accurate temperature control, high temperature under low vapor pressure, good heat transfer effect, energy saving, convenient transportation and operation, etc., in recent years, it has been widely used in various occasions, and its use and amount are increasing. Next, we will introduce the five basic common sense of heat conduction oil heaters (oil heaters):

1. Five common sense skills to be mastered in the use of oil heaters.

1. Do you know the density of heat transfer oil?

Answer: The density of heat transfer oil is.

2. Do you know what the viscosity and kinematic viscosity of heat transfer oil are?

Answer: Viscosity is the most basic property of heat transfer fluid, which is generally expressed as kinematic viscosity. The kinematic viscosity of the heat transfer fluid indicates the resistance of the liquid to motion, which determines the fluidity and pumpability of the liquid at a certain temperature.

The deterioration of the oil can be judged by the change of viscosity, and more than 20% indicates that the heat transfer oil has deteriorated.

Thermal oil viscosity index 120; The viscosity change is less than 15%, the residual carbon is less than that, and the acid value is less than 0;

Kinematic viscosity: 40

3. Do you know what a freezing point is?

A: The freezing point is the maximum temperature at which the oil in the test tube is cooled and tilted 45 degrees under the conditions specified by the laboratory, and after one minute, the oil stops moving. The freezing point and low-temperature viscosity determine the low-temperature fluidity of the fluid.

The freezing point index of low-viscosity base oil is generally -9--15, which can basically meet the needs of the south of the Yellow River.

4. Do you know what a flash point is?

There are open and closed flash points. The flash point is a safety performance indicator of the heat transfer oil, indicating the possibility of combustion or flash explosion of the heat transfer oil in operation when exposed to open flame or static electricity. Generally, the flash point of heat transfer oil is above 180.

Flash point refers to the heating of oil under specified conditions, with the increase of oil temperature, the concentration of oil vapor also increases accordingly, when the content of oil vapor reaches the flammable concentration, the lowest temperature when moving into the flame to flash fire is called the flash point of oil.

5. Ignition point and spontaneous ignition point.

The ignition point of heat transfer oil is generally above 240 degrees, and the natural point is 360, although the flash point, ignition point and spontaneous ignition point of general heat transfer oil are higher, but it is still a combustible substance, and the permeability is extremely strong. Due to its high temperature and proximity to the flame, when the oil and gas leaking or seeping out in the circulation system of the heat conduction oil furnace reaches a certain level, it will be ignited or spontaneously combusted, resulting in a fire.

Now, in the chemical industry, medical equipment, chemical washing, non-woven fabrics and many other industries need to use heat transfer oil heaters, so do you know what is a heat transfer oil heater? The following is introduced to you by the technicians of Gweis, a manufacturer specializing in the production of heat conduction oil heaters.

1. What is an oil heater?

Thermal oil heater, also known as thermal oil temperature controller, thermal oil temperature control equipment, oil heating temperature controller, thermal oil electric heater, is based on coal, heavy oil, light oil and other combustible materials or other combustible materials as fuel, with thermal oil as the heat carrier. The circulating oil pump is used to force the liquid phase circulation, and the heat energy is transmitted to the heating equipment, and then returned to the reheated direct flow special industrial furnace. The heat transfer oil heater is a large hot oil temperature control equipment, which can heat the heat transfer oil temperature to 350 degrees Celsius at a low operating pressure, with large pump flow and high heating power.

The significant feature of the heat conduction oil heater is countercurrent heat exchange, and the temperature difference between the combustion exhaust gas temperature and the thermal oil outlet is less than 30. Its excellent structure, mainly operating at lower pressures, has the characteristics of high temperature (above 320) and low pressure (and its heating temperature can be precisely controlled, so it can replace the original steam boiler heating. At the same time, the equipment does not need water treatment equipment and has no heat loss such as running, rising, dripping and leakage of steam boilers, so its one-time investment is saving, the operating cost is low, and it is a safe, efficient and energy-saving heating equipment.

Second, the use of oil heater.

Therefore, heat transfer oil heaters are widely used in many industries, and with the development of industrial production and the progress of science and technology, heat transfer oil heaters will be more developed and applied. I also want to know about Geweisi machinery, mold temperature machine, die-casting mold temperature machine, water temperature machine manufacturers, heat transfer oil heater and other temperature control equipment.

The main parameters in the design of the heat transfer oil system.

Determine that the heat transfer oil heat carrier heating system is energy efficient, has high thermal efficiency, has uniform heat transfer and can accurately control the temperature. At present, the economical and practical temperature of heat conduction oil heating technology at home and abroad is 100-400and safe to operate.

Low investment and operating costs. However, there are many unfavorable factors such as low thermal efficiency, low recycling rate, difficult to control, and environmental impact in the system of steam heating, electric heating, and open flame direct heating. The main parameters in the design of heat transfer oil are now made according to **.

1. Selection of heat transfer oil.

When choosing a heat transfer fluid. After inspecting the physical and chemical performance indexes of a series of mineral oil and synthetic heat transfer oils. It is important to consider the maximum operating temperature of the heat transfer fluid.

Combined with the first and service life to determine the technical and economic design. (1) Type of heat transfer oil. There are basically two types of heat transfer oils.

i.e. mineral oil and synthetic oil. Mineral oil is made from petroleum fractions. Mainly alkanes.

The operating temperature is low. Generally, it should not exceed 310 degrees. Synthetic oil is made from chemical or petrochemical products.

From. Machine-made. It is characterized by good thermal stability.

The operating temperature is wide. The upper limit of the town is up to 400 degrees. Synthetic oil has good thermal stability and high service temperature.

It can be regenerated and reused, but the disadvantage is that it is slightly more toxic. **Expensive. And at present, it mainly relies on imports.

However, for heat carrier heating devices with a temperature of more than 300 degrees. Synthetic oils are recommended. (2) The maximum operating temperature is determined.

Because the temperature difference between the inlet and outlet of the hot oil heating equipment is 25-30 degrees, and the safety factor is 25 30 degrees, the primary condition for choosing the heat transfer oil is that the maximum operating temperature is greater than the actual operating temperature of the heated equipment 50-60 degrees. When using electricity to heat the oil bath directly. It is necessary to calculate that the maximum temperature that can be reached on the surface of the electric heating rod should be less than the allowable film temperature of the heat transfer oil, so as to prevent coking and charring on the surface of the electric heating rod.

Burn the electric heating rods.

2. Heat conduction oil expansion groove design.

The main function of the expansion tank is to regulate the volume change caused by the expansion of the heat transfer oil in the system and to remove the vaporized water and low components. The main parameter for the design of the hot oil expansion tank is the volume. (1) The adjustment volume of the expansion tank.

The total volume of the heating system is required before heating when the total volume of heat transfer oil is the lowest level of the expansion tank. (2) The volume of the expansion tank is determined. The volume of the hot oil expansion tank shall not be less than the volume of the hot oil in the hot oil furnace and pipe network system due to the expansion at the operating temperature.

The volume to be adjusted in the expansion tank can account for 65%-70% of the volume of the expansion tank, such as the safety factor and the charging factor take 70%. The volume of the expansion tank is estimated as. When the volume of the expansion tank is estimated to be too large.

It can be adjusted by using an overflow pipe to the hot oil tank at the upper part of the expansion tank.