CN202072746U

CN202072746U - Feeding device for accurately controlling titanium tetrachloride of titanium reduction-distillation furnace

Info

Publication number: CN202072746U
Application number: CN2011201550373U
Authority: CN
Inventors: 彭根深; 任敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-16
Filing date: 2011-05-16
Publication date: 2011-12-14
Anticipated expiration: 2021-05-16

Abstract

The utility model discloses a feeding device for accurately controlling titanium tetrachloride of titanium reduction-distillation furnace. A weighing sensor is arranged on a support of a measuring tank, a material inlet valve and a material inlet corrugated pipe are connected on a material inlet pipe between a high-level material tank and the measuring tank, a material outlet corrugated pipe is connected on a material outlet pipe between the measuring tank and a material outlet valve, and the material outlet valve is connected with a reducing furnace; air inlet pipes of an argon source and the measuring tank are connected with the air inlet valve, a filter, a reducing valve and a proportion pressure adjusting valve, and an air return pipe of the argon recovery tank is connected on the proportion pressure adjusting valve; the top of the measuring tank is connected with a pressure transmitter; and a microprocessor reads signals of the pressure transmitter and the weighing sensor, and can control the proportion pressure adjusting valve, the material inlet valve and the material outlet valve. The feeding device has the following beneficial effects: the flow of titanium tetrachloride is measured by adopting a weight loss principle, the measuring precision is high, the stability is good, and the feeding device can be suitable for work places with poor environment, the cost is low, the reliability is high, the operation is simple, the use is convenient, and the maintaining amount is few.

Description

Titanium reduction-distilling furnace titanium tetrachloride is accurately controlled feeding device

Technical field

The utility model relates to a kind of titanium reduction-distilling furnace titanium tetrachloride feeding device.

Background technology

Produce in the production of titanium sponge at the employing magnesium reduction, be output and quality stable, that improve titanium sponge, require accurately control to add the titanium tetrachloride flow of reduction-distilling furnace, and at present used titanium tetrachloride feeding device is because reinforced can not accurately control, cause the production instability of titanium sponge, output and quality are not high.

The utility model content

The purpose of this utility model provides a kind of flow that adopts weight-loss method to measure titanium tetrachloride and reaches the reinforced device of accurate control titanium tetrachloride.

The purpose of this utility model realizes in the following way: a kind of titanium reduction-distilling furnace titanium tetrachloride is accurately controlled feeding device, on the bearing of scale tank, weight sensor is housed, on the feed-pipe between elevated bunker and the scale tank, be connected to feed valve and charging corrugated tube, be connected to the discharging corrugated tube on the discharge nozzle between scale tank and the bleeder valve, bleeder valve connects reduction furnace; On the inlet pipe of argon gas source and scale tank, be connected to intake valve, strainer, reducing valve and proportional pressure valve, the muffler of argon gas withdrawing can is connected on the proportional pressure valve; Top at scale tank connects pressure unit; Microprocessor reads the signal of pressure unit and LOAD CELLS, and control ratio pressure regulator valve, feed valve and bleeder valve.The utlity model has following beneficial effect, 1, adopt weightless principle to measure the titanium tetrachloride flow.2, measuring accuracy height, good stability, abominable working space can conform.3, cost is low, the reliability height.4, simple to operate, easy to use, maintenance is few.

Description of drawings

Fig. 1 is the utility model structural principle synoptic diagram;

Embodiment

As shown in Figure 1, a kind of titanium reduction-distilling furnace titanium tetrachloride is accurately controlled feeding device, in that being housed on the bearing of scale tank 13, weight sensor 12 on the feed-pipe between elevated bunker 2 and the scale tank 13, is connected to feed valve 8 and charging corrugated tube 9, be connected to discharging corrugated tube 14 on the discharge nozzle between scale tank 13 and the bleeder valve 15, bleeder valve 15 connects reduction furnace 16; On the inlet pipe of argon gas source 3 and scale tank 13, be connected to intake valve 4, strainer 5, reducing valve 6 and proportional pressure valve 7, the muffler of argon gas withdrawing can 1 are connected on the proportional pressure valve 7; Connect pressure unit 10 at the top of scale tank 13; Microprocessor 11 reads the signal of pressure unit 10 and LOAD CELLS 12, and control ratio pressure regulator valve 7, feed valve 8 and bleeder valve 15.

Measuring principle of the present utility model:

Measuring principle:

Adopt weight-loss method to measure the flow of titanium tetrachloride:

When scale tank 13 discharging valves 15 are opened, when the weight of titanium tetrachloride reduces gradually, so:

f＝dG/dt

F is the titanium tetrachloride flow

DG is the changes in weight amount

Dt is a time variation amount

Therefore, output signal by microprocessor 11 collection weight sensors 12, through calculating the flow that just can obtain titanium tetrachloride, by with set after the flow comparison operation, the fluctuations in discharge that the argon pressure that goes control ratio pressure regulator valve 7 to adjust scale tank 13 makes titanium tetrachloride is with to set flow approaching.

Working process is as follows.

At first, close bleeder valve 15, open 8 pairs of scale tanks 13 of feed valve and feed in raw material, after being fed to upper limit set value, stop to feed in raw material, enter weightless pattern work.

1, weightless pattern:

Microprocessor 11 is according to the changes in weight of scale tank 13, calculate and add the titanium tetrachloride actual flow of going back steam stove, compare with set(ting)value, passing ratio pressure regulator valve 7 is adjusted the argon pressure of scale tank 13, makes the fluctuations in discharge of titanium tetrachloride approaching with the setting flow.When scale tank 13 dischargings after lower limit set value, change feed pattern work automatically over to.

2, feed pattern:

When changing feed pattern over to, open feed valve 8, reinforced to scale tank 13, at this moment, the pressure of scale tank 13 is calculated by microprocessor 11 bases.Reinforced process is very short, after scale tank 13 is added to upper limit set value, changes weightless pattern work again automatically over to.

Claims

1. a titanium reduction-distilling furnace titanium tetrachloride is accurately controlled feeding device, it is characterized in that: weight sensor (12) is housed on the bearing of scale tank (13), on the feed-pipe between elevated bunker (2) and the scale tank (13), be connected to feed valve (8) and charging corrugated tube (9), be connected to discharging corrugated tube (14) on the discharge nozzle between scale tank (13) and the bleeder valve (15), bleeder valve (15) connects reduction furnace (16); On the inlet pipe of argon gas source (3) and scale tank (13), be connected to intake valve (4), strainer (5), reducing valve (6) and proportional pressure valve (7), the muffler of argon gas withdrawing can (1) are connected on the proportional pressure valve (7); Connect pressure unit (10) at the top of scale tank (13); Microprocessor (11) reads the signal of pressure unit (10) and LOAD CELLS (12), and control ratio pressure regulator valve (7), feed valve (8) and bleeder valve (15).