CN210532670U

CN210532670U - Explosion-proof fluid electric heater

Info

Publication number: CN210532670U
Application number: CN201921456108.6U
Authority: CN
Inventors: 梁文凯; 郎福林
Original assignee: Harbin Qiananqing Explosion Proof Electrothermal And Electrical Co ltd
Current assignee: Harbin Qiananqing Explosion Proof Electrothermal And Electrical Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-15
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses an explosion-proof fluid electric heater, which comprises a tank body, wherein the top of the tank body is provided with an electric heating box, the jar body includes first cavity, second cavity and third cavity, one side of the jar body is equipped with the inlet with first cavity intercommunication, the inside of inlet is equipped with fluid inductive switch and first temperature sensor, the top of first cavity is fixed with the level gauge, first cavity and second cavity are equipped with the first passageway of intercommunication, second cavity and third cavity are close to top department and are equipped with the second passageway parallel with first passageway, the inside of second cavity is equipped with electric heating pipe and motor, turbine blade is connected through the pivot to the output of motor, the inner wall of second cavity is close to electric heating pipe department and is equipped with second temperature sensor, one side of third cavity is equipped with the liquid outlet, the third cavity is close to liquid outlet department and is equipped with third temperature sensor. The utility model discloses prevent that electric heating pipe from carrying out dry combustion method and damaging electric heating pipe, can realize the even heating of inflow liquid, real-time temperature monitoring.

Description

Explosion-proof fluid electric heater

Technical Field

The utility model relates to an electric heater technical field particularly, relates to an explosion-proof fluid electric heater.

Background

The explosion-proof electric fluid heater is one device to heat material to be heated by converting consumed electric energy into heat energy. The low-temperature fluid medium enters the input port of the electric heating container under the action of pressure in the work, the high-temperature heat energy generated in the work of the electric heating element is taken away along a specific heat exchange flow channel in the electric heating container by applying a path designed by the fluid thermodynamic principle, so that the temperature of the heated medium is increased, and the high-temperature medium required by the process is obtained at the outlet of the electric heater. The internal control system of the electric heater automatically adjusts the output power of the electric heater according to the signal of the temperature sensor at the output port, so that the temperature of the medium at the output port is uniform; when the heating element is over-temperature, the independent overheating protection device of the heating element immediately cuts off the heating power supply, thereby avoiding the heating element from burning out due to coking, deterioration and carbonization caused by over-temperature of the heating material, and effectively prolonging the service life of the electric heater.

The existing explosion-proof fluid electric heater is not used for preventing the dry burning of the electric heating pipe in advance and avoiding the damage to the electric heating pipe to a certain degree because the fluid inlet, the fluid outlet and the electric heating pipe are positioned in a cavity, and part of liquid can not be fully heated and flows out from the liquid outlet, so that the heating is uneven and the requirement of the liquid supply temperature is not met.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof fluid electric heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof fluid electric heater comprises a tank body, wherein the top of the tank body is fixedly sealed by a flange plate, an electric heating box is arranged at the top of the flange plate, the interior of the tank body is divided into a first cavity, a second cavity and a third cavity, a liquid inlet communicated with the first cavity is arranged at the position, close to the top, of one side of the tank body, a fluid induction switch and a first temperature sensor are arranged inside the liquid inlet, a liquid level meter is fixed at the top of the first cavity, first channels are arranged at the positions, close to the top, of the first cavity and the second cavity and communicated with the first cavity and the second cavity respectively, second channels parallel to the first channels are arranged at the positions, close to the top, of the second cavity and the third cavity and communicated with the second cavity and the third cavity, an electric heating pipe and a motor are arranged inside the second cavity and installed at the top and the bottom of the second cavity respectively, and the output end of the motor is connected with a turbine, and a second temperature sensor is arranged on the inner wall of the second chamber close to the electric heating pipe, a liquid outlet is arranged on one side of the third chamber, and a third temperature sensor is arranged on the third chamber close to the liquid outlet.

Further, the bottom of the liquid level meter is located above the liquid inlet, and the bottom of the liquid level meter is flush with the bottom of the first channel.

Further, the interior of the electric heating box comprises a controller and a power supply battery, wherein the controller adopts a general controller with the model number of SC 200.

Furthermore, a drain pipe is arranged on one side of the bottom of the second cavity, and a valve is arranged on the drain pipe.

Furthermore, one side of the tank body is provided with a pressure gauge.

Furthermore, corrosion-resistant heat-insulating materials are laid on the inner wall of the tank body, and supporting legs are arranged at the bottom of the tank body.

Further, the first temperature sensor, the second temperature sensor and the third temperature sensor are all Pt100 temperature sensors.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses prevent that electric heating pipe from carrying out dry combustion method and damaging electric heating pipe, can realize the even heating of inflow liquid, real-time temperature monitoring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an explosion-proof fluid electric heater according to an embodiment of the present invention;

fig. 2 is a schematic sectional view of an explosion-proof fluid electric heater according to an embodiment of the present invention.

Reference numerals:

1. a tank body; 2. a flange plate; 3. an electric heating box; 4. a first chamber; 5. a second chamber; 6. a third chamber; 7. an electric heating tube; 8. a liquid inlet; 9. a first temperature sensor; 10. a fluid sensing switch; 11. a water level gauge; 12. a second temperature sensor; 13. a liquid outlet; 14. a third temperature sensor; 15. a pressure gauge; 16. a first channel; 17. a second channel; 18. corrosion-resistant heat-insulating materials; 19. a motor; 20. a turbine blade; 21. a blow-off pipe; 22. a valve; 23. and (5) supporting legs.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, an explosion-proof electric fluid heater according to an embodiment of the present invention includes a tank 1, the top of the tank 1 is fixedly sealed by a flange 2, an electric heating box 3 is disposed on the top of the flange 2, the tank 1 is internally divided into a first chamber 4, a second chamber 5 and a third chamber 6, a liquid inlet 8 communicated with the first chamber 4 is disposed near the top of one side of the tank 1, a fluid sensing switch 10 and a first temperature sensor 9 are disposed inside the liquid inlet 8, a liquid level gauge 11 is fixed on the top of the first chamber 4, a first channel 16 is disposed near the top of the first chamber 4 and the second chamber 5 and respectively communicated with the first chamber 4 and the second chamber 5, a second channel 17 parallel to the first channel 16 is disposed near the top of the second chamber 5 and the third chamber 6 and communicates the second chamber 5 with the third chamber 6, the inside of second cavity 5 is equipped with electric heating pipe 7 and motor 19 and installs respectively at the top and the bottom of second cavity 5, turbine blade 20 is connected through the pivot to the output of motor 19, the inner wall of second cavity 5 is close to electric heating pipe 7 department and is equipped with second temperature sensor 12, one side of third cavity 6 is equipped with liquid outlet 13, third cavity 6 is close to liquid outlet 13 department and is equipped with third temperature sensor 14.

Through the above technical scheme of the utility model, the bottom of level gauge 11 is located the top of inlet 8, the bottom of

level gauge

11 and 16 bottom parallel and level of first passageway are convenient for carry out real time monitoring to the feed liquor of second chamber 5, avoid electric heating pipe 7's dry combustion method to cause the damage.

Through the above technical scheme of the utility model, electric heating box 3's inside includes controller and power supply battery, the controller adopts the model to be SC200 universal controller for controlling opening and closing of electric heating pipe 7.

Through the above technical scheme of the utility model, bottom one side of second cavity 5 is equipped with blow off pipe 21, be equipped with valve 22 on the blow off pipe 21, the life-span that influences electric heating pipe 7 is avoided soaking for a long time to the hydrops that blow off pipe 21 is used for equipment work to finish back discharge second cavity 5.

Through the above technical scheme of the utility model, one side of jar body 1 is equipped with the inside atmospheric pressure of 15 real-time supervision of manometer, avoids the potential safety hazard.

Through the above technical scheme of the utility model, corrosion-resistant insulation material has been laid to the inner wall of the jar body 1, the bottom of the jar body 1 is equipped with supporting leg 23 and props up jar body 1, guarantees the stationarity.

Through the above technical scheme of the utility model, first temperature sensor 9, second temperature sensor 12 and third temperature sensor 14 all adopt Pt100 temperature sensor, and are small, and sensitivity is high.

In a specific application, liquid enters the first chamber 4 from the liquid inlet 8, the first temperature sensor 9 records the liquid supply temperature for reference of a person, the controller receives a signal from the fluid inductive switch 10 to control the electric heating pipe 7 to preheat at a low power, when liquid enters the second chamber 5 from the first passage 16 and is detected by the liquid level meter 11 and transmitted to the controller, the electric heating box 3 increases power for the electric heating tube 7, the motor 19 is started, the turbine blades 20 drive the liquid to form a vortex around the electric heating tube 7 and enter the third chamber 6 from the second passage 17, the heating is uniform, the second temperature sensor 12 detects the temperature near the electric heating tube 7, the temperature of the electric heating tube 7 is prevented from being too high, the liquid in the third chamber 6 flows out from the liquid outlet 13, and the third temperature sensor 14 at the liquid outlet 13 detects whether the temperature of the liquid reaches the requirement of the liquid supply temperature in production, so that the power of the electric heating tube 7 is finely adjusted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof fluid electric heater, its characterized in that, includes a jar body (1), ring flange (2) fixed seal is passed through at the top of jar body (1), the top of ring flange (2) is equipped with electric heating box (3), the internal partitioning of jar body (1) is first cavity (4), second cavity (5) and third cavity (6), one side of jar body (1) is close to top department be equipped with inlet (8) of first cavity (4) intercommunication, the inside of inlet (8) is equipped with fluid inductive switch (10) and first temperature sensor (9), the top of first cavity (4) is fixed with level gauge (11), first cavity (4) and second cavity (5) are close to top department and are equipped with first passageway (16) respectively with first cavity (4) and second cavity (5) intercommunication, second cavity (5) and third cavity (6) are close to top department and are equipped with the first passageway (16) parallel first passageway (16) department Two passageways (17) communicate second cavity (5) and third cavity (6), the inside of second cavity (5) is equipped with electric heating pipe (7) and motor (19) and installs top and bottom in second cavity (5) respectively, turbine blade (20) are connected through the pivot to the output of motor (19), the inner wall of second cavity (5) is close to electric heating pipe (7) and locates to be equipped with second temperature sensor (12), one side of third cavity (6) is equipped with liquid outlet (13), third cavity (6) are close to liquid outlet (13) and locate to be equipped with third temperature sensor (14).

2. An explosion proof electric fluid heater according to claim 1, wherein the bottom of the level gauge (11) is located above the liquid inlet (8), the bottom of the level gauge (11) being flush with the bottom of the first channel (16).

3. An explosion proof electric fluid heater according to claim 1, wherein the interior of the electric heating tank (3) comprises a controller and a power supply battery, the controller being a model SC200 universal controller.

4. An explosion-proof electric fluid heater as claimed in claim 1, characterized in that a drain (21) is provided on one side of the bottom of the second chamber (5), said drain (21) being provided with a valve (22).

5. An explosion proof electric fluid heater according to claim 1, characterized in that a pressure gauge (15) is provided on one side of the tank (1).

6. An explosion-proof electric fluid heater as claimed in claim 1 or 5, characterized in that the inner wall of the tank (1) is laid with corrosion-resistant insulation material, and the bottom of the tank (1) is provided with support legs (23).

7. An explosion proof electric fluid heater according to claim 1, wherein the first temperature sensor (9), the second temperature sensor (12) and the third temperature sensor (14) are all Pt100 temperature sensors.