CN2178035Y

CN2178035Y - Heater for medium solution

Info

Publication number: CN2178035Y
Application number: CN 93235216
Authority: CN
Inventors: 刘天锡
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-14
Filing date: 1993-12-14
Publication date: 1994-09-21
Anticipated expiration: 2003-12-14

Abstract

The utility model relates to a heater for medium solution used in chemical industry, composed of a casing electrode and a mid-core electrode with multi-eyelet, an insulative supporting seat, a connecting box casing and a support circuit. The utility model has the technical proposal that electrical energy is used to strike medium solution to generate ion impact to self-generate heat quantity, and the heating aim is achieved in medium convection. The heater has the advantages of simple structure, small size, high heating speed and small heat loss, being convenient for automatic control.

Description

Heater for medium solution

The utility model is a kind of medium solution heater that is used for chemical industry.

Present heating means to medium solution, mainly be to utilize high-temperature steam, undertaken by heat exchanger, this heating means must be with huge boiler and steam pipeline road and lagging facility, its heat-exchanger rig (heat exchanger) thermal losses is big, heat exchange efficiency is lower, and the factory that has is in order to reach the purpose of heat exchange, and people have to be made into huge heat-exchanger rig, make the equipment and materials consumption increase like this, and the corresponding increase of cost of equipment.

The purpose of this utility model is to provide a kind of simple in structure, volume is little, firing rate is fast, thermal losses is little, easy to install medium solution heater.

Utilize accompanying drawing to describe the technical solution of the utility model below:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is support circuit figure of the present utility model.

Referring to Fig. 1 and Fig. 2, the technical solution of the utility model is to utilize electric energy to pull the trigger medium solution, produces ion collision and spontaneous heat to flowing down, reaches the purpose of heating at medium, the purpose of utilizing simultaneously the conduction of heat that second medium is heated. This heater for medium solution is made up of clamshell electrode (1), middle core electrode (2), insulated leg (3) and support circuit, wherein core electrode (2) places the interior also concentric of clamshell electrode (1) to be fastened on the insulated leg (3), the clamshell electrode has uniform small through hole on (1), between middle core electrode (2) and the clamshell electrode (1) appropriate gap is arranged. Insulated leg (3) is the barrel-type bearing, is provided with in the cylindrical shell to draw binding post (4), (5): i.e. binding post (4) top Touch mutually with middle core electrode (2), touch mutually with clamshell electrode (1) on binding post (5) top, has one and the mounting flange that matches of industrial molten device on the bearing (3), and bearing (3) bottom and terminal box cover (6) are fastened (as shown in Figure 1).

Support circuit of the present utility model mainly consists of (as shown in Figure 2) by control circuit and holding circuit two parts; Its control circuit is made up of switch (K1), fuse (RD1), probe of contactor (CJ-1-2), adjusting apparatus (XCT), platinum resistance thermometer sensor, R, contactor (CJ); Clamshell electrode (1) the connecting to neutral line of heater (DR), middle core electrode (2) phase-connecting wire and form the work loop. Holding circuit is made up of fuse (RD2, RD3), indicator lamp (ZD1, ZD2) and the time relay (JS), and namely paying on the clamshell electrode (1) of heater (DR) established lead-in wire (6) and the time relay (JS) and earth connection formation loop.

Referring to support circuit figure, circuit is under normal condition, and (ZD1) is bright for green indicating lamp; When power supply wrong (instead); clamshell electrode (1) is charged; and to solution diffusion; at this moment; the time relay in the protective circuit (JS) constitutes the loop with earth connection and moves; control circuit is cut off very soon; fuse (RD2) is fused; major loop quits work, i.e. normal battle of the delayed start-up of normally closed point of the probe of contactor in the control circuit (CJ-4) and time relay contact (JS-2) is with relay (JS) coil short circuit; make the tripping of relay (JS) dead electricity like this; and entire circuit is quit work, red led this moment (ZD2) is bright, expression power supply wrong (instead).

When the connecting to neutral line open circuit of the heater (DR) of major loop, current potential on the middle core electrode (2) can and make under the charged situation of solution to the last diffusion of clamshell electrode (1), paying on the clamshell electrode (1) established lead-in wire (6) current potential passed through fuse (RD3), guide relay (JS) coil and earth connection and fuse (RD2) the normal battle of probe of contactor (CJ-5) (operating time closure) into and constitute the loop respectively with the connecting to neutral line, all fuse (RD2) fusing can be stopped major loop work, therefore, during design, the blowout current of fuse (RD3) should be greater than fuse (RD2).Thereby played the effect of protection.As can be seen from the figure, the circuit pack of this support circuit mainly is the protection design of ground connection, promptly from node (1)---ground connection (

)------node (3) and node (4)---node (5)---paying (DR) established lead-in wire (6) to node (2).

In sum, this heater structure is simple, volume is little, and its contour structures is that the electrode of a porous eye is fastened on the insulated leg with middle core electrode is coaxial, when two electrodes connect an alternating voltage, interelectrode medium solution, be subjected to the percussion of electric field force and produce ion collision, spontaneous heat is under medium solution convection current situation, can make whole solution heating, its firing rate is fast.Thermal losses is little, and simultaneously, this heater is convenient to automation control, and it is a kind of ideal medium solution heater.

Claims

1, a kind of medium solution heater is characterized in that described heater is made up of clamshell electrode (1), middle core electrode (2), insulated leg (3), terminal box cover (6) and support circuit:

A, described middle core electrode (2) place the interior also concentric of clamshell electricity level (1) to be fastened on the insulated leg (3), have uniform small through hole on the cover wall of described clamshell electrode, between described middle core electrode (2) and the clamshell electrode (1) suitable gap are arranged,

B, described insulated leg (3) are the barrel-type bearing, be provided with in its bearing cylindrical shell and draw binding post (4), (5), be that touch mutually with middle core electrode (2) on binding post (4) top, touch mutually with clamshell electrode (1) on binding post (5) top, one mounting flange that matches with industrial molten device is arranged on the described insulated leg (3), the bottom of bearing (3) and described terminal box cover (6) are fastening

C; described support circuit is to be made of control circuit and protective circuit two parts; its control circuit is by switch (K1); fuse (RD1); probe of contactor (CJ-1-2); adjusting apparatus (XCT); platinum resistance thermometer sensor, R; contactor (CJ) is formed; clamshell electrode (1) the connecting to neutral line of described heater (DR); in core electrode (2) phase-connecting wire and form the work loop; described protective circuit is by fuse (RD2; RD3); indicator light (ZD1; ZD2) the time relay (JS) is formed, and paying on the clamshell electrode (1) of described heater (DR) established lead-in wire (6) and constituted the loop with the time relay (JS) and earth connection.