CN210584518U - Automatic water and steam adding control device for water glass static pressure dissolving kettle - Google Patents

Abstract

The utility model discloses a water glass static pressure dissolving kettle water adding and steam automatic control device, which comprises a water pump, wherein the inlet of the water pump is connected with the water outlet of a hot water recovery tank, an electric valve, a flow accumulation instrument, a flow transmitter and an electromagnetic flowmeter are arranged on a water outlet pipeline, the water outlet pipeline is connected to a static pressure kettle, the electromagnetic flowmeter sends the flow value to the flow transmitter and the flow accumulation instrument through fluid measurement, and the electric valve is automatically closed when the set value is reached; the automatic steam adding control device comprises a steam pipe, a steam electric switch valve, an orifice plate flowmeter, a pressure difference transmitter and a flow accumulator are arranged on the pipe, the top of the static pressure kettle is provided with the pressure transmitter and a pressure interlocking steam electric regulating valve, the pressure transmitter controls the opening amount of the electric regulating valve, the set value of the pressing force interlocking device is regulated to ensure that the steam pressure is stabilized in the set value range, the orifice plate flowmeter and the steam flow accumulator provide data for the steam consumption, and the steam electric switch valve is automatically closed when the set value is reached.

Description

Automatic water and steam adding control device for water glass static pressure dissolving kettle

Technical Field

The utility model relates to an inorganic chemical material white carbon black production facility, concretely relates to water glass static pressure dissolving kettle adds water, steam automatic control device.

Background

The main raw materials for producing the white carbon black by the precipitation method are liquid water glass and sulfuric acid. The solid soluble glass is dissolved by a static pressure kettle, a certain amount of water is added, and then 1.23MPa steam with the temperature of about 160 ℃ is introduced to maintain the pressure at 1.0MPa to dissolve the solid soluble glass into liquid soluble glass for a reaction section. The common method for dissolving, adding water and adding steam in a static pressure kettle in the prior art is as follows: the operator controls the water adding manually through the water meter according to the calculated amount, and the steam adding is mainly carried out by the operator according to the field condition and experience. The problems with this operation are: the phenomena of insufficient or excessive water and steam addition often occur due to manual operation or negligence, so that the dissolution efficiency of the solid water glass is low or the quality of the dissolved product cannot be guaranteed, and the production cost and the yield are seriously influenced.

Disclosure of Invention

The utility model aims at providing a simple structure, maintenance cost are low, the accurate high-efficient reliable water glass static pressure of operation dissolves the cauldron and adds water, steam automatic control device, ensure that the water yield of adding is accurate, and the steam of adding is within the technological parameter scope of optimization to improve static pressure cauldron dissolution efficiency, guarantee the quality of the liquid water glass that has dissolved.

In order to realize the purpose, the automatic water and steam adding control device of the water glass static pressure dissolving kettle comprises an automatic water adding control device and an automatic steam adding control device; the automatic water feeding control device comprises a water pump, an inlet pipeline of the water pump is connected with a water outlet at the lower part of the hot water recovery tank, a water outlet pipeline of the water pump is provided with a water electric valve, a water flow accumulator, a flow transmitter and an electromagnetic flowmeter with a control function, the water outlet pipe is connected with the top of the static pressure kettle, the electromagnetic flowmeter transmits a flow value to the flow transmitter and the water flow accumulator through fluid measurement, and when a set value is reached, a signal is sent to automatically close the water electric valve; the steam adding automatic control device comprises a steam pipe with one end introduced into the static pressure kettle, the steam pipe is provided with a steam electric switch valve, an orifice plate flowmeter, a differential pressure transmitter and a steam flow accumulator, and the top of the static pressure kettle is provided with a pressure transmitter and a pressure interlocking steam electric regulating valve device; the pressure transmitter controls the opening amount of the steam electric regulating valve and adjusts a set numerical value on the pressing force interlocking device so as to ensure that the steam pressure is stabilized in a set numerical value range; the orifice plate flowmeter and the steam flow accumulator provide data for steam usage, and when the steam usage reaches a set value, a signal is sent to automatically close the steam electric switch valve.

The automatic water and steam adding control device for the water glass static pressure dissolving kettle with the structure can automatically control the electromagnetic flowmeter to send a flow value to the flow transmitter and the flow accumulator through fluid measurement by adding water, and when the flow value reaches a set value, a signal closes the electric switch valve through control, so that the accuracy of the added water quantity can be ensured; according to the automatic steam adding control device, the steam pressure transmitter controls the opening amount of the electric regulating valve, and the pressing force indicates a set numerical value on the interlocking device to adjust, so that the steam pressure is ensured to be stabilized in a set numerical value range; the orifice plate flowmeter and the flow accumulator provide data for the steam usage, and when reaching a set value, a signal is sent to automatically close the electric switch valve through control. Therefore, the device can be automatically adjusted according to the set numerical values of water and steam, the stability of the water adding amount, the steam pressure and the quantity is ensured, and the instability of the quality of the finished product caused by artificial factors is eliminated.

The utility model discloses water glass static pressure dissolves the cauldron and adds water, steam automatic control device, can effectual solution white carbon black production process water glass static pressure cauldron dissolve add water, add not enough or excessive problem of steam, improved static pressure cauldron dissolution efficiency, guaranteed the quality of the liquid water glass that has dissolved.

Drawings

FIG. 1 is a schematic structural view of the automatic water and steam adding control device of the water glass static pressure dissolving kettle of the utility model.

Reference numerals: the device comprises a slag tap 1, a static pressure kettle 2, a pressure transmitter 3, a pressure interlocking device 4, a safety valve 5, a steam electric regulating valve 6, an orifice plate flowmeter 7, a differential pressure transmitter 8, a steam flow accumulator 9, a steam electric switch 10, a valve discharging pipe 11, a steam pipe 12, a water flow accumulator 13, a water electric switch valve 14, a water pump 15, a water outlet pipe 16, an electromagnetic flowmeter 17 and a hot water recovery tank 18.

Detailed Description

The automatic water and steam adding and controlling device of the water glass static pressure dissolving kettle of the utility model is further described in detail by combining the specific embodiment.

As shown in fig. 1, the automatic water and steam adding control device of the water glass static pressure dissolving kettle of the utility model comprises an automatic water adding control device and an automatic steam adding control device; the automatic water adding control device comprises a water pump 15, an inlet pipeline of the water pump 15 is connected with a lower water outlet of a hot water recovery tank 18, a water electric switch valve 14, a water flow accumulator 13, a flow transmitter and an electromagnetic flowmeter 17 with a control function are arranged on a water outlet pipeline 15 of the water pump 15, a water outlet pipe 16 is connected with the top of the static pressure kettle 2, the electromagnetic flowmeter 17 transmits a flow value to the flow transmitter and the water flow accumulator 13 through fluid metering, and when a set value is reached, a signal is sent to automatically close the water electric switch valve 14; the steam adding automatic control device comprises a steam pipe 12 with one end being led into the static pressure kettle 2, the steam pipe 12 is provided with a steam electric switch valve 10, an orifice plate flowmeter 7, a differential pressure transmitter 8 and a steam flow accumulator 9, and the top of the static pressure kettle 2 is provided with a pressure transmitter 3, a pressure interlocking device 4 and a steam electric regulating valve 6; the steam pressure transmitter 3 controls the opening amount of the steam electric regulating valve 6 and adjusts a set numerical value on the pressing force interlocking device 4 to ensure that the steam pressure is stabilized in a set numerical value range; the orifice flowmeter 7 and the steam flow accumulator 9 provide data for the steam usage, and send out a signal to automatically close the steam electric switch valve 10 when the steam usage reaches a set value.

The working process of the utility model is as follows:

automatic control of water addition: hot water from a hot water recovery tank 18 is pumped into the static pressure kettle 2 through a water outlet pipe 15 by a water pump 15 to dissolve water glass, an electromagnetic flowmeter 17 with a control function and a water flow accumulator 13 are arranged on an outlet pipeline of the pump, the water amount required by calculation is set, and when the accumulated value of the water flow accumulator 13 reaches the set water inlet amount, the electromagnetic flowmeter 17 sends a signal and closes a water electric switch valve 14 to ensure the accuracy of the value of the water inlet amount.

Automatic steam control: steam enters the static pressure kettle 2 through a steam pipe 12, a pressure transmitter 3 connected to the static pressure kettle 2 controls the opening amount of a steam electric regulating valve 6, and a set value on the pressing force interlocking device 4 is regulated to ensure that the steam pressure is stabilized in a set value range; the orifice flowmeter 7 and the steam flow accumulator 9 provide data for the steam usage, and when the steam usage reaches a set value, a signal is sent out and the steam electric regulating valve 6 is automatically closed through control.

Claims (1)

1. An automatic water and steam adding control device for a water glass static pressure dissolving kettle comprises an automatic water adding control device and an automatic steam adding control device; the method is characterized in that: the automatic water feeding control device comprises a water pump, an inlet pipeline of the water pump is connected with a water outlet at the lower part of the hot water recovery tank, a water outlet pipeline of the water pump is provided with a water electric valve, a water flow accumulator, a flow transmitter and an electromagnetic flowmeter with a control function, the water outlet pipe is connected with the top of the static pressure kettle, the electromagnetic flowmeter transmits a flow value to the flow transmitter and the water flow accumulator through fluid measurement, and when a set value is reached, a signal is sent to automatically close the water electric valve; the steam adding automatic control device comprises a steam pipe with one end introduced into the static pressure kettle, the steam pipe is provided with a steam electric switch valve, an orifice plate flowmeter, a differential pressure transmitter and a steam flow accumulator, and the top of the static pressure kettle is provided with a pressure transmitter and a pressure interlocking steam electric regulating valve device; the pressure transmitter controls the opening amount of the steam electric regulating valve and adjusts a set numerical value on the pressing force interlocking device so as to ensure that the steam pressure is stabilized in a set numerical value range; the orifice plate flowmeter and the steam flow accumulator provide data for steam usage, and when the steam usage reaches a set value, a signal is sent to automatically close the steam electric switch valve.

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