CN111228835A - Energy-saving evaporator and using method thereof - Google Patents

Abstract

The invention relates to an energy-saving evaporator and a using method thereof, comprising the following steps: the heater is provided with a feed inlet for liquid material to flow into; the evaporation chamber is connected with the heater and used for carrying out gas-liquid separation on liquid materials, and a discharge hole is formed in the bottom of the evaporation chamber; the condenser is connected with the evaporation chamber and is used for condensing steam formed by gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and a compressor connected to the condenser and the heater to absorb heat in the condenser and deliver the heat to the heater. The invention effectively solves the problem of large energy consumption of the traditional evaporator, reduces the loss of heat energy, improves the evaporation efficiency of liquid materials, reduces the cost, and has simple structure and easy realization.

Description

Energy-saving evaporator and method of using the same

technical field

The invention relates to the chemical field, in particular to an energy-saving evaporator and a using method thereof.

Background technique

The evaporator heats the solution containing the less volatile solute to a boiling state by means of heat exchange, so that part of the solvent is vaporized and removed, so as to achieve the purpose of increasing the concentration of the solute in the solvent.

At present, a curved pipeline is generally set in the evaporation chamber, and high-temperature gas is introduced into the pipeline from the outside, and the solvent in the liquid material is evaporated by using the high-temperature gas, that is, the liquid material is evaporated by using steam heat energy, and the steam is introduced from the outside. The medium heat energy loss is large, the energy consumption is large, the cost is high, and due to its large heat energy loss, the evaporation effect of the liquid material is also poor, and it is difficult to achieve the ideal concentration.

In addition, traditional mechanical compression evaporators are often used at present. The medium compressed by the compressor in this evaporator is the solvent vapor evaporated from the original liquid material. The solvent vapor may contain other vapors evaporated and volatilized in the original liquid material. Gas, the other gas may contain flammable and explosive components, so the process of compressing the gas medium by the compressor has a great potential safety hazard.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the defects of the prior art, provide an energy-saving evaporator and a method of using the same, solve the problem of large energy consumption of the traditional evaporator, reduce the loss of heat energy, improve the evaporation efficiency of the liquid material, reduce the cost, and its structure is simple and easy to implement.

The technical solution to achieve the above purpose is:

The present invention provides an energy-saving evaporator, comprising:

A heater, which is provided with a feed port for the inflow of liquid material;

An evaporation chamber connected to the heater and used for gas-liquid separation of the liquid material, the bottom of the evaporation chamber is provided with a discharge port;

a condenser connected with the evaporation chamber for condensing the steam formed by the gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and

Compressor connected to the condenser and heater to absorb the heat in the condenser and deliver it to the heater.

The invention adopts an energy-saving evaporator, and by using the compressor to obtain the heat of the separated secondary steam, and then conveying it to the heater after heating and pressurizing, so as to heat the liquid material in the heater, which greatly reduces the heat of the evaporator. It consumes energy and does not need to introduce high temperature steam from the outside, which reduces the loss of heat energy and ensures the evaporation effect of the liquid material. In addition, the components in the original liquid material will not enter the compressor, which eliminates potential safety hazards and solves the problem of traditional evaporators. The problem of large energy consumption reduces the loss of heat energy, improves the evaporation efficiency of the liquid material, reduces the cost, and has a simple structure and is easy to implement.

A further improvement of the energy-saving evaporator of the present invention is that it further comprises a separator arranged between the evaporation chamber and the condenser, so as to perform gas-liquid separation on the steam formed by the gas-liquid separation in the evaporation chamber again, and the separated steam flows into the condenser and separates The resulting liquid flows back into the evaporation chamber and out of the discharge port.

A further improvement of the energy-saving evaporator of the present invention is that the separator is arranged on the top of the evaporation chamber and communicated with the evaporation chamber, so that the steam in the evaporation chamber can pass through.

A further improvement of the energy-saving evaporator of the present invention is that the evaporator also includes a control system for controlling the feed amount of the heater, and the change of the liquid level in the evaporation chamber is monitored by the control system, and then the control system correspondingly increases or decreases the amount of the liquid material. feed volume, so that the liquid level in the evaporation chamber remains stable.

A further improvement of the energy-saving evaporator of the present invention is that the control system includes a liquid level sensor arranged in the evaporation chamber, and the liquid level sensor senses that the liquid in the evaporation chamber exceeds the set height, thereby triggering the control system to control the feeding of the liquid material quantity.

A further improvement of the energy-saving evaporator of the present invention is that a valve is installed at the feed port, the valve is electrically connected to the control system, and the valve is controlled by the control system to adjust the feed amount of the liquid material.

A further improvement of the energy-saving evaporator of the present invention is that a feeding pump is provided at the feeding port, and the feeding pump is electrically connected to the control system, and the feeding pump is controlled by the control system to adjust the feeding amount of the liquid material.

The invention provides a method for using an energy-saving evaporator, comprising the following steps:

Feed the liquid material into the feed port, and use the heater to heat the liquid material;

Pass the heated liquid material into the evaporation chamber for gas-liquid separation, and discharge the separated liquid from the discharge port;

The separated gas is passed into the condenser for condensation, and discharged after condensation. During the condensation process, the compressor is used to absorb the heat in the condenser, heat and pressurize, and then send it to the heater to heat the liquid material in the heater. .

A further improvement of the use method of the component energy-saving evaporator of the present invention is that a separator is further arranged between the evaporation chamber and the condenser;

The vapor separated in the evaporation chamber is passed into the separator to separate the gas and liquid again, the separated liquid flows back to the evaporation chamber and is discharged from the outlet, and the separated gas is passed into the condenser for condensation.

The further improvement of the use method of the component energy-saving evaporator of the present invention is that it also includes a control system for controlling the feed amount of the heater;

The change of the liquid level in the evaporation chamber is monitored by the control system, and then the control system increases or decreases the feeding amount of the liquid material accordingly, so as to keep the liquid level in the evaporation chamber stable.

Description of drawings

FIG. 1 is a schematic structural diagram of an energy-saving evaporator of the present invention.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 1, the present invention provides an energy-saving evaporator and a method of using the same. The heat of the separated secondary steam is obtained by using a compressor, and the heat is sent to the heater after being heated and pressurized, so as to cool the liquid in the heater. The energy consumption of the evaporator is greatly reduced, and there is no need to introduce high-temperature steam from the outside, which reduces the loss of heat energy and ensures the evaporation effect of the liquid material. In addition, the components in the original liquid material will not enter the compressor. , eliminates potential safety hazards, solves the problem of high energy consumption of traditional evaporators, reduces heat energy loss, improves the evaporation efficiency of liquid materials, reduces costs, and has a simple structure and is easy to implement. The energy-saving evaporator of the present invention will be described below with reference to the accompanying drawings.

Referring to FIG. 1, FIG. 1 is a schematic structural diagram of an energy-saving evaporator of the present invention. The energy-saving evaporator of the present invention will be described below with reference to FIG. 1 .

As shown in Figure 1, the energy-saving evaporator of the present invention includes:

A heater 11, the heater 11 is provided with a feed port 111 for the inflow of liquid material;

An evaporation chamber 12 connected to the heater 11 and used for gas-liquid separation of the liquid material, the evaporation chamber 12 is provided with a discharge port 121 at the bottom;

a condenser 13 connected to the evaporation chamber 12 for condensing the steam formed by the gas-liquid separation in the evaporation chamber 12, and the condenser 13 is provided with a discharge port; and

The compressor 14 is connected with the condenser 13 and the heater 11 to absorb the heat in the condenser 13 and deliver it to the heater 11 .

As a preferred embodiment of the present invention, it also includes a separator disposed between the evaporation chamber 12 and the condenser 13, so as to perform gas-liquid separation on the steam formed by gas-liquid separation in the evaporation chamber 12 again, and the separated steam flows into Condenser 13, the liquid formed by separation flows back to evaporation chamber 12 and flows out from material outlet 121.

Specifically, the separator is arranged on the top of the evaporation chamber 12 and communicated with the evaporation chamber 12 to allow the steam in the evaporation chamber 12 to pass through.

Further, the evaporator also includes a control system for controlling the feeding amount of the heater 11. The liquid level in the evaporation chamber 12 is monitored by the control system to change, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, so that the The liquid level in the evaporation chamber 12 remains stable.

Specifically, the control system includes a liquid level sensor disposed in the evaporation chamber 12, and the liquid level sensor senses that the liquid in the evaporation chamber 12 exceeds the set height, thereby triggering the control system to control the feeding amount of the liquid material.

Preferably, a valve is installed at the feeding port 111, the valve is electrically connected to the control system, and the valve is controlled by the control system to adjust the feeding amount of the liquid material.

Also preferably, a feed pump is provided at the feed port 111, the feed pump is electrically connected to the control system, and the feed pump is controlled by the control system to adjust the feeding amount of the liquid material.

The specific embodiment of the energy-saving evaporator of the present invention is as follows:

The liquid material is passed from the feed port 111 into the heater 11 for heating, and then flows into the evaporation chamber 12 for evaporation, and realizes gas-liquid separation. The separated liquid flows out from the discharge port 121 at the bottom of the evaporation chamber 12, and the separated gas rise and pass into the separator from the top of the evaporation chamber 12;

The separator further conducts gas-liquid separation, the separated liquid flows back into the evaporation chamber 12 and flows out from the discharge port 121, and the separated gas flows into the condenser 13 through the pipeline and condenses into condensed water and is discharged to the outside;

The gas releases a large amount of heat during the condensation process, and the compressor 14 absorbs the heat, heats and pressurizes it, and then sends it to the heater 11 to heat the liquid material in the heater 11, so the components in the original liquid material will not enter the compressor. inside, eliminating security risks;

In this process, since the compressor 14 utilizes the heat generated by the condensation of the condenser 13, the energy consumption of the entire evaporator is reduced, and there is no need to introduce high-temperature steam from the outside, so that the evaporation effect of the liquid material can be ensured. The re-separation of the separator further reduces the solute composition in the secondary steam, reduces waste and avoids environmental pollution.

The present invention also provides a method for using a component centerline scribing tool, which comprises the following steps:

Feed the liquid material into the feed port 111, and use the heater 11 to heat the liquid material;

Pass the heated liquid material into the evaporation chamber 12 for gas-liquid separation, and discharge the separated liquid from the discharge port 121;

The separated gas is passed into the condenser 13 to be condensed, and discharged after condensation. During the condensation process, the compressor 14 is used to absorb the heat in the condenser 13, heat and pressurize, and then send it to the heater 11 for heating the heating. liquid material in vessel 11.

Further, a separator is also provided between the evaporation chamber 12 and the condenser 13;

The vapor separated in the evaporation chamber 12 is passed into the separator to separate gas and liquid again, the separated liquid flows back to the evaporation chamber 12 and is discharged from the discharge port 121, and the separated gas is passed into the condenser 13 for condensation.

Further, it also includes a control system for controlling the feed amount of the heater 11;

The change of the liquid level in the evaporation chamber 12 is monitored by the control system, and then the control system correspondingly increases or decreases the feeding amount of the liquid material, thereby keeping the liquid level in the evaporation chamber 12 stable.

The specific operation mode of the actual implementation of the using method provided by the present invention is as follows:

The liquid material is passed from the feed port 111 into the heater 11 for heating, and then flows into the evaporation chamber 12 for evaporation, and realizes gas-liquid separation. The separated liquid flows out from the discharge port 121 at the bottom of the evaporation chamber 12, and the separated gas rise and pass into the separator from the top of the evaporation chamber 12;

The separator further conducts gas-liquid separation, the separated liquid flows back into the evaporation chamber 12 and flows out from the discharge port 121, and the separated gas flows into the condenser 13 through the pipeline and condenses into condensed water and is discharged to the outside;

The gas releases a large amount of heat during the condensation process, and the compressor 14 absorbs the heat and sends it to the heater 11 to heat the liquid material in the heater 11 after being heated and pressurized.

The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various modifications to the present invention according to the above description. Therefore, some details in the embodiments should not be construed to limit the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.

Claims (10)

1. an energy-saving evaporator, is characterized in that, comprises: a heater, the heater is provided with a feed port for the inflow of liquid material; an evaporation chamber connected with the heater and used for gas-liquid separation of the liquid material, a discharge port is provided at the bottom of the evaporation chamber; a condenser connected with the evaporation chamber for condensing the steam formed by the gas-liquid separation in the evaporation chamber, and the condenser is provided with a discharge port; and A compressor connected with the condenser and the heater to absorb the heat in the condenser and deliver it to the heater. 2 . The energy-saving evaporator according to claim 1 , further comprising a separator arranged between the evaporation chamber and the condenser, so as to re-process the steam formed by the gas-liquid separation in the evaporation chamber. 3 . The gas-liquid separation and the separated vapor flow into the condenser, and the separated liquid flows back to the evaporation chamber and flows out from the outlet. 3 . The energy-saving evaporator according to claim 2 , wherein the separator is arranged on the top of the evaporation chamber and communicated with the evaporation chamber, so that the steam in the evaporation chamber can pass through. 4 . 4. The energy-saving evaporator according to claim 1, characterized in that, the evaporator further comprises a control system for controlling the feed amount of the heater, and the liquid in the evaporation chamber is monitored by the control system. The level changes, and then the control system increases or decreases the feeding amount of the liquid material accordingly, so that the liquid level in the evaporation chamber remains stable. 5. The energy-saving evaporator according to claim 4, wherein the control system comprises a liquid level sensor arranged in the evaporation chamber, and the liquid level sensor senses that the liquid in the evaporation chamber exceeds the The height is set, thereby triggering the control system to control the feeding amount of the liquid material. 6. The energy-saving evaporator according to claim 5, wherein a valve is installed at the feed port, the valve is electrically connected to the control system, and the valve is controlled by the control system to adjust the The feed amount of the liquid material. 7 . The energy-saving evaporator according to claim 5 , wherein a feed pump is provided at the feed port, the feed pump is electrically connected to the control system, and the control system controls the feed pump. 8 . Feed pump to adjust the feeding amount of the liquid material. 8. A method of using the energy-saving evaporator as claimed in claim 1, characterized in that, comprising the steps of: Feeding the liquid material into the feed port, and using the heater to heat the liquid material; Passing the heated liquid material into the evaporation chamber for gas-liquid separation, and discharging the separated liquid from the discharge port; The separated gas is passed into the condenser to be condensed, and discharged after condensation. During the condensation process, the compressor is used to absorb the heat in the condenser, heated and pressurized, and then sent to the heater for use. The liquid feed in the heater is heated. 9. The use method of the energy-saving evaporator according to claim 8, wherein a separator is further provided between the evaporation chamber and the condenser; The vapor separated from the evaporation chamber is passed into the separator to separate gas and liquid again, the separated liquid flows back to the evaporation chamber and is discharged from the outlet, and the separated gas is passed into the condenser for condensation. . 10. The method for using an energy-saving evaporator according to claim 8, further comprising a control system for controlling the feed amount of the heater; Changes in the liquid level of the evaporation chamber are monitored by the control system, and then the control system increases or decreases the feeding amount of the liquid material correspondingly, so as to keep the liquid level in the evaporation chamber stable.

Images