CN219091106U

CN219091106U - Efficient evaporation concentration device

Info

Publication number: CN219091106U
Application number: CN202223546769.2U
Authority: CN
Inventors: 秦金鑫; 焦英豹; 王真祥
Original assignee: Shanxi Jinguang Chemical Co ltd
Current assignee: Shanxi Jinguang Chemical Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of chemical production equipment, and particularly relates to a high-efficiency evaporation concentration device. Aims to solve the technical problem of low efficiency of the existing normal pressure evaporation process, and the technical scheme is as follows: the device comprises an evaporation tank, a communicating pipe, a condensing tank and a controller, wherein two ends of the communicating pipe are respectively communicated with the evaporation tank and the condensing tank; the top surface of evaporation jar is equipped with the inlet pipe on one side, the middle agitating unit that is equipped with, lower part is equipped with hollow clamp cover through sieve ring plate package all around in the lateral wall, be equipped with row material pipe in the middle of the bottom surface of evaporation jar, be equipped with the hydrophobic pipe in the middle of the bottom surface of clamp cover, be equipped with the trap on the hydrophobic pipe, the side of clamp cover is equipped with by the compression system, be equipped with the negative pressure fan in the middle of the top of condensation jar, and the wind gap of negative pressure fan communicates with the condensation jar is inside, the middle part winding of condensation jar is equipped with a plurality of rings of cold water coils, the bottom of condensation jar is equipped with the fluid-discharge tube, be equipped with the gravity valve on the fluid-discharge tube. The utility model can automatically control the pressure of the steam inlet and the steam outlet and improve the steam heat exchange efficiency.

Description

Efficient evaporation concentration device

Technical Field

The utility model belongs to the technical field of chemical production equipment, and particularly relates to a high-efficiency evaporation concentration device.

Background

The liquid purification method generally adopts extraction, filtration, evaporation concentration, precipitation, electrolysis, ion exchange and the like. Purification refers to separating impurities from a mixture to increase its purity. The purification is an important chemical method, not only has important roles in chemical research, but also has important roles in chemical production. The purification is the main part of chemical research and chemical production. For liquid product purification, evaporative concentration is the most common method. The method is also suitable for waste disposal, and the reduction can greatly reduce disposal cost.

The treatment process adopted in the current production for liquid concentration treatment is normal pressure evaporation, the automation degree is low in the evaporation process, the water mixing of the separated product is easy to be impure, the treatment efficiency is low, and the current production requirements cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problem of low efficiency of the existing normal pressure evaporation process and provides an efficient evaporation concentration device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the high-efficiency evaporation concentration device comprises an evaporation tank, a communicating pipe, a condensation tank and a controller, wherein two ends of the communicating pipe are respectively communicated with the tops of the evaporation tank and the condensation tank;

the evaporator is characterized in that a feeding pipe is arranged on one side of the top surface of the evaporator, a stirring device is arranged in the middle of the top surface of the evaporator, a hollow jacket is wrapped around the middle lower part of the outer side wall through a sieve ring plate, a discharge pipe is arranged in the middle of the bottom surface of the evaporator, a drain pipe is arranged in the middle of the bottom surface of the jacket, a drain valve is arranged on the drain pipe, a steam inlet pipe is connected to the upper part of one side wall of the jacket, a steam outlet pipe is connected to the lower part of the jacket, a steam inlet valve is arranged on the steam inlet pipe, a steam outlet valve is arranged on the steam outlet pipe, the steam inlet pipe and the steam outlet pipe are communicated through a back pressure pipe, and a back pressure valve is arranged on the back pressure pipe;

the stirring device comprises a stirring motor, a telescopic spring, a transmission cylinder, a stirring shaft and a stirrer, wherein the stirring motor is arranged in the middle of the top surface of the evaporation tank, the transmission cylinder is vertically arranged in the middle of the inside of the evaporation tank, the upper end of the transmission cylinder is fixedly connected with the output shaft of the stirring motor, the telescopic spring is arranged at the middle upper part in the transmission cylinder, the upper end of the telescopic spring is fixedly arranged at the inner top of the transmission cylinder, the lower end of the telescopic spring is fixedly connected with the upper end of the stirring shaft, the lower end of the stirring shaft is fixedly connected with the arc-shaped stirrer, and a limiting plate is arranged at the middle lower part of the inner side wall of the transmission cylinder;

the middle of the top of the condensing tank is provided with a negative pressure fan, an air port of the negative pressure fan is communicated with the inside of the condensing tank, the middle of the condensing tank is wound with a plurality of loops of cold water coils, the bottom of the condensing tank is provided with a liquid discharge pipe, and the liquid discharge pipe is provided with a gravity valve.

The controller is electrically connected with the back pressure valve, the stirring motor, the drain valve, the negative pressure fan and the gravity valve respectively.

Further, a first pressure gauge is arranged on the outer side of the top of the evaporation tank, a second pressure gauge is arranged on the outer side of the top of the condensation tank, and the first pressure gauge and the second pressure gauge are respectively and electrically connected with the controller.

Furthermore, a plurality of baffle ring plates are uniformly and alternately arranged on the inner side walls of the two sides of the jacket.

Further, a round hole is formed in the middle lower portion of the side wall of the condensing tank, and a viewing mirror is arranged in the round hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the back pressure system is arranged, so that the pressure of the steam inlet and the steam outlet can be automatically controlled, and the steam heat exchange efficiency is improved; by arranging the drain valve and the gravity valve, the automatic drainage of the jacket and the condensing tank can be realized, so that the operation efficiency of the evaporation concentration device is improved;

2. the pressure of the utility model is controllable, the purity of the purified substances is high, and the safety accidents caused by the over-high pressure can be effectively prevented;

3. the utility model can effectively avoid volatilization of harmful components, pollution to the atmosphere environment and realize recycling.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure: 1-evaporating pot, 2-jacket, 3-steam inlet pipe, 4-steam outlet pipe, 5-back pressure pipe, 6-steam inlet valve, 7-back pressure valve, 8-steam outlet valve, 9-first pressure gauge, 10-feeding pipe, 11-stirring motor, 12-telescopic spring, 13-driving cylinder, 14-stirring shaft, 15-stirrer, 16-discharging pipe, 17-hydrophobic pipe, 18-hydrophobic valve, 19-baffle plate, 20-sieve ring plate, 21-communicating pipe, 22-condensing pot, 23-negative pressure fan, 24-second pressure gauge, 25-cold water coil pipe, 26-sight glass, 27-liquid discharge pipe and 28-gravity valve.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

As shown in fig. 1, the efficient evaporation concentration device comprises an evaporation tank 1, a communicating pipe 21, a condensation tank 22 and a controller, wherein two ends of the communicating pipe 21 are respectively communicated with the tops of the evaporation tank 1 and the condensation tank 22;

the top surface outside of evaporation jar 1 is equipped with first manometer 9, and the another side is equipped with inlet pipe 10, and the centre is equipped with agitating unit, and lower part is equipped with hollow clamp sleeve 2 through screening annular plate 20 package all around in the lateral wall, evenly crisscross a plurality of baffling annular plate 19 that are equipped with on the both sides inside wall of clamp sleeve 2, guarantees the dwell time of the interior steam of clamp sleeve 2, be equipped with row material pipe 16 in the middle of the bottom surface of evaporation jar 1, be equipped with drain pipe 17 in the middle of the bottom surface of clamp sleeve 2, be equipped with trap 18 on the drain pipe 17, realize pressing from both sides the automatic drainage of clamp sleeve, guarantee pressure stability. The upper part of the side wall of one side of the jacket 2 is connected with a steam inlet pipe 3, the lower part of the side wall is connected with a steam outlet pipe 4, the steam inlet pipe 3 is provided with a steam inlet valve 6, the steam outlet pipe 4 is provided with a steam outlet valve 8, the steam inlet pipe 3 and the steam outlet pipe 4 are communicated through a back pressure pipe 5, and the back pressure pipe 5 is provided with a back pressure valve 7 to realize automatic control of heat exchange of the jacket steam;

the stirring device comprises a stirring motor 11, a telescopic spring 12, a transmission cylinder 13, a stirring shaft 14 and a stirrer 15, wherein the stirring motor 11 is arranged in the middle of the top surface of the evaporation tank 1, the transmission cylinder 13 is vertically arranged in the middle of the inside of the evaporation tank 1, the upper end of the transmission cylinder is fixedly connected with the output shaft of the stirring motor 11, the telescopic spring 12 is arranged at the middle upper part in the transmission cylinder 13, the upper end of the telescopic spring 12 is fixedly arranged at the inner top of the transmission cylinder 13, the lower end of the telescopic spring is fixedly connected with the upper end of the stirring shaft 14, the lower end of the stirring shaft 14 is fixedly connected with the arc-shaped stirrer 15, and a limiting plate is arranged at the middle lower part of the inner side wall of the transmission cylinder 13;

the outside of the top of the condensing tank 22 is provided with a second pressure gauge 24, the middle is provided with a negative pressure fan 23, the air inlet of the negative pressure fan 23 is communicated with the inside of the condensing tank 22, and the middle of the condensing tank 22 is wound with a plurality of circles of cold water coils 25 to effectively condense volatile matters; the lower part has seted up the round hole in the lateral wall of condensation jar 22, be equipped with sight glass 26 in the round hole, the bottom of condensation jar 22 is equipped with fluid-discharge tube 27, be equipped with gravity valve 28 on the fluid-discharge tube 27, realize automatic flowing back, prevent to leak.

The controller is electrically connected with the back pressure valve 7, the stirring motor 11, the drain valve 18, the negative pressure fan 23 and the gravity valve 28 respectively.

The working process of the utility model is as follows:

when the evaporator is used, liquid with separation and purification is firstly added into the evaporator 1 from the feed pipe 10, then the steam inlet valve 6 is opened, steam is filled into the jacket 2 from the steam inlet pipe 3, the steam enters the jacket 2 and flows along an S-shaped channel formed by the baffle ring plate 19, the evaporator 1 is heated, after the flow circulation is finished, the steam flows out of the steam outlet pipe 4, in the steam flowing process, when the pressure difference between the steam inlet pipe 3 and the steam outlet pipe 4 exceeds the preset range, the controller controls the back pressure valve 7 to be opened, at the moment, the pressure between the steam inlet pipe 3 and the steam outlet pipe 4 can be regulated through the back pressure pipe 5, so that the pressure between the steam inlet pipe 3 and the steam outlet pipe is balanced, then the back pressure valve 7 is closed, the whole process is continuously repeated, thus realizing the pressure balance when the steam is automatically regulated to enter and exit, the steam heat exchange efficiency is improved, and the condensed steam in the jacket 2 is changed into liquid water to be discharged from the hydrophobic pipe 17.

The controller controls to open the stirring motor 11, drives the telescopic spring 12, the transmission cylinder 13, the stirring shaft 14 and the stirrer 15 to rotate, stirs the liquid in the evaporation tank 1, the stirring shaft 14 can move up and down along with the telescopic spring 12, stirs the liquid with different depths, so that the separation is sufficient, the liquid volatilizes under the adding effect of steam in the jacket 2, the components enter the condensation tank 22 from the communicating pipe 21, the residual liquid in the evaporation tank 1 is discharged from the discharge pipe 16, and the pressure in the evaporation tank 1 can be detected in real time through the first pressure gauge 9 in the evaporation process.

The controller controls and starts negative pressure fan 23 to simultaneously pass through cold water to cold water coil 25, and the volatile components that get into in the condensation jar 22 condense under the effect of negative pressure fan 23 and cold water coil 25 and form liquid to fall down, discharges from fluid-discharge tube 27, and gravity valve 28 realizes automatic flowing back under the effect of liquid weight force, prevents to leak, and the condensation in-process can be through the condition in the real-time observation condensation jar 22 of sight glass 26, also can pass through the pressure in the real-time detection condensation jar 22 of second manometer 24.

Claims

1. The efficient evaporation concentration device is characterized by comprising an evaporation tank (1), a communicating pipe (21), a condensation tank (22) and a controller, wherein two ends of the communicating pipe (21) are respectively communicated with the tops of the evaporation tank (1) and the condensation tank (22);

the steam evaporation device is characterized in that a feeding pipe (10) is arranged on one side of the top surface of the evaporation tank (1), a stirring device is arranged in the middle, a hollow jacket (2) is wrapped around the middle lower part of the outer side wall through a sieving annular plate (20), a discharging pipe (16) is arranged in the middle of the bottom surface of the evaporation tank (1), a water drain pipe (17) is arranged in the middle of the bottom surface of the jacket (2), a water drain valve (18) is arranged on the water drain pipe (17), a steam inlet pipe (3) is connected to the upper part of one side wall of the jacket (2), a steam outlet pipe (4) is connected to the lower part of the jacket, a steam inlet valve (6) is arranged on the steam inlet pipe (3), a steam outlet valve (8) is arranged on the steam outlet pipe (4), the steam inlet pipe (3) is communicated with the steam outlet pipe (4) through a back pressure pipe (5), and a back pressure valve (7) is arranged on the back pressure pipe (5);

the stirring device comprises a stirring motor (11), a telescopic spring (12), a transmission cylinder (13), a stirring shaft (14) and a stirrer (15), wherein the stirring motor (11) is arranged in the middle of the top surface of the evaporation tank (1), the transmission cylinder (13) is vertically arranged in the middle of the inside of the evaporation tank (1) and the upper end of the transmission cylinder is fixedly connected with the output shaft of the stirring motor (11), the telescopic spring (12) is arranged at the middle upper part in the transmission cylinder (13), the upper end of the telescopic spring (12) is fixedly arranged at the inner top of the transmission cylinder (13), the lower end of the telescopic spring is fixedly connected with the upper end of the stirring shaft (14), the lower end of the stirring shaft (14) is fixedly connected with the arc-shaped stirrer (15), and a limiting plate is arranged at the middle lower part of the inner side wall of the transmission cylinder (13);

a negative pressure fan (23) is arranged in the middle of the top of the condensing tank (22), an air port of the negative pressure fan (23) is communicated with the inside of the condensing tank (22), a plurality of circles of cold water coils (25) are wound in the middle of the condensing tank (22), a liquid discharge pipe (27) is arranged at the bottom of the condensing tank (22), and a gravity valve (28) is arranged on the liquid discharge pipe (27);

the controller is electrically connected with the back pressure valve (7), the stirring motor (11), the drain valve (18), the negative pressure fan (23) and the gravity valve (28) respectively.

2. The efficient evaporative concentration device according to claim 1, wherein a first pressure gauge (9) is arranged on the outer side of the top of the evaporation tank (1), a second pressure gauge (24) is arranged on the outer side of the top of the condensation tank (22), and the first pressure gauge (9) and the second pressure gauge (24) are respectively and electrically connected with the controller.

3. The efficient evaporative concentration device according to claim 1, wherein a plurality of baffle rings (19) are uniformly and alternately arranged on the inner side walls of the two sides of the jacket (2).

4. The efficient evaporative concentration device according to claim 1, wherein a circular hole is formed in the middle lower portion of the side wall of the condensing tank (22), and a sight glass (26) is arranged in the circular hole.