CN210014624U

CN210014624U - Vacuum drying system

Info

Publication number: CN210014624U
Application number: CN201920839208.0U
Authority: CN
Inventors: 钱平; 张玉格; 程晓辉
Original assignee: Jiangsu Suqing Water Treatment Engineering Group Co Ltd
Current assignee: Jiangsu Suqing Water Treatment Engineering Group Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-02-04
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a vacuum drying system, including slewing bracket, the slewing tank body, be equipped with the gas vent in one side of the slewing tank body revolving axle to be connected to the vacuum pump, the gas vent of vacuum pump is connected with the condenser, the condenser is vertical to be placed to be equipped with the outlet in the bottom, the below of outlet is connected with the weighing device. The bottom of the weighing device is provided with an electronic induction scale pan, the scale pan is provided with a receiving container, the top of the scale pan is provided with a water inlet, and the water inlet is communicated with the water outlet of the condenser. The vacuum drying system of the utility model collects and weighs the condensed water by arranging the condenser, thereby judging the drying degree of the internal material, avoiding opening the tank to measure the dryness of the material and improving the operation convenience; and the signal after the weighing judgment can be directly provided to a control system of the double-cone rotary vacuum dryer to stop the machine in time, thereby saving energy.

Description

Vacuum drying system

Technical Field

The utility model relates to a vacuum drying system, especially drying system that can survey the degree of dryness in real time.

Background

In the production process of the ion exchange resin, a vacuum drier is needed to dry the particles, so that the factory requirements are met. At present, the particle drying mainly adopts a double-cone rotary vacuum dryer, the material is continuously overturned through a rotary cylinder at a lower heating temperature, so that the material is fully heated, and then hot steam is pumped out through a vacuum pump, so that the material is dried in a closed state and cannot be polluted by the outside. However, because a vacuum drying form is adopted, the drying degree in the drying process is often difficult to detect in real time, the conventional process needs to be judged by the experience of workers, and after the drying process is carried out for a certain time, the machine is stopped, sampling detection is carried out, the detection efficiency is low, and the detection labor intensity of the workers is increased.

Although some measuring devices or methods for detecting the dryness on line exist at present, materials cannot be concentrated at a certain fixed position due to the structural characteristics of the double-cone rotary vacuum dryer, so that the measurement is difficult and the measurement is not easy to be accurate; and the drying chamber rotates and is heated, so that certain influence is caused on the detection sensor, and the measurement precision and reliability are influenced.

Therefore, a vacuum drying system for drying particles needs to be further improved to meet the requirement of real-time online measurement of dryness so as to judge when drying is completed and discharge.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum drying system can satisfy ion exchange resin production demand.

In order to achieve the purpose of the utility model, a vacuum drying system is provided, which is provided with a main machine of a double-cone rotary vacuum dryer, and comprises a rotary bracket and a rotary tank body, wherein a control system of the main machine of the double-cone rotary vacuum dryer is arranged in the rotary bracket; the device is characterized in that an exhaust port is arranged in a rotating shaft on one side of the rotating tank body and connected to a vacuum pump, the exhaust port of the vacuum pump is connected with a condenser, the condenser is vertically placed, a water outlet is formed in the bottom of the condenser, and a weighing device is connected below the water outlet.

As a further improvement of the utility model, an electronic induction scale pan is arranged at the bottom of the weighing device, a receiving container is arranged on the scale pan, the receiving container is cylindrical, a water inlet is arranged at the top of the receiving container, and the water inlet is communicated with a water outlet of the condenser; an air outlet is arranged at the top of the receiving container.

Furthermore, the air outlet is an inverted cone-shaped mesh plate.

Furthermore, a dustproof filter screen is arranged at the top of the weighing device.

As a further improvement of the utility model, the data interface of the electronic induction scale is connected with a data monitoring system; the data monitoring system comprises a data monitoring recording module, a data analyzing and judging module and an alarm output module.

Further, the alarm output module is connected with a control system of the main machine of the double-cone rotary vacuum dryer.

The utility model discloses vacuum drying system sets up the condenser through the steam discharge port at current bipyramid gyration vacuum drying machine, then collects, weighs the comdenstion water to judge the degree of drying of inside material, removed the jar of opening of measuring the material dryness fraction from, improved the operation convenience; and the signal after the weighing judgment can be directly provided to a control system of the double-cone rotary vacuum dryer to stop the machine in time, thereby saving energy.

The utility model discloses vacuum drying system can directly reform transform the acquisition to current bipyramid gyration vacuum drying machine, and it compares with prior art has following advantage:

(1) the structure is simple and easy to realize;

(2) real-time detection is realized, and the drying condition can be judged in time for workers to refer to.

Drawings

Fig. 1 is a schematic view of the overall structure of the vacuum drying system of the present invention;

FIG. 2 is a schematic structural view of the weighing apparatus of the present invention;

fig. 3 is an execution schematic diagram of the weighing system of the present invention.

Detailed Description

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

As shown in fig. 1, which is a schematic view of the overall structure of the vacuum drying system of the present invention, a main machine 1 of a double-cone rotary vacuum dryer is provided, which includes a rotary bracket 11 and a double-cone rotary tank 12; a rotary device, a heating device and a control device are arranged in the rotary support 11, the rotary support is used for heating and drying the rotary tank body 12, an exhaust port is arranged in a rotary shaft 13 at one side of the rotary tank body 12 and is connected to a vacuum pump 2, and steam in the rotary tank body 12 is exhausted through the vacuum pump 2; the main machine 1 of the double-cone rotary vacuum drier can adopt a double-cone rotary vacuum drier produced by Taicangting drying equipment science and technology Limited company, and is provided with a vacuum pump 2. The exhaust port of the vacuum pump 2 is connected with a condenser 3, the condenser 3 generally adopts a spiral condenser, the upper end of the spiral condenser is an air inlet, the lower end of the spiral condenser is a water outlet, and steam is condensed into water drops and air through the condenser 3 after being pumped and exhausted by the vacuum pump 2; a weighing device 4 is arranged below the condenser 3.

As shown in fig. 2, which is a schematic view of the internal structure of the weighing apparatus 4, an electronic induction scale 41 is disposed at the bottom of the weighing apparatus, a receiving container 42 is disposed on the scale, the receiving container 42 is cylindrical, a water inlet is disposed at the top of the receiving container 42 and is connected to a water outlet of the condenser 3, an air outlet 43 is disposed at the top of the receiving container 42, and the air outlet 43 is made into an inverted cone shape by using a mesh plate and is disposed on an opening at the top of the receiving container 42; thus, the water droplets and air discharged from the condenser 3 enter the receiving container 42 through the water inlet, and at this time, the water droplets are influenced by gravity and fall to the bottom of the receiving container 42, and are directly weighed by the electronic induction scale 41; and the air after the condensation, by the air outlet 43 is outwards discharged, moisture in the air with the mesh board of back taper contact back, can condense again, and assemble downwards, drip into in accepting the container 42. Still further, a dustproof filter screen 44 is arranged at the top of the weighing device 4, so that external dust cannot settle and condense in the receiving container 42 to affect the weighing result. In order to ensure the measuring accuracy, the water inlet is connected with the receiving container 42 in a non-contact way or in a flexible way; meanwhile, the dustproof filter screen 44 is fixed on the outer frame of the whole weighing device 4, and is not in contact with the receiving container 42 and is not in weight transmission; thus, the weight change of the receiving container 42 is only a weight change caused by the water droplets discharged from the condenser 3 alone.

The electronic induction scale 41 transmits the weighing data to the monitoring system 5 in real time, the monitoring system 5 comprises a data monitoring recording module, a data analyzing and judging module and an alarm output module, the data analyzing and judging module analyzes the recorded data, then determines whether the drying is finished, finishes the drying procedure and outputs a signal by the alarm output module, namely, as shown in fig. 3, the weighing module is the electronic induction scale 41 which transmits the weighing data to the monitoring system 5, the data monitoring recording module records the data, and the data analyzing and judging module analyzes, judges and judges the weight data, and the judgment mechanism comprises:

(1) calculating the water amount to be discharged in the drying process according to the weight and the water content of the materials, setting the water amount into the monitoring system 5, comparing the weighing data of the drying water with the data, and finishing when the weighing data of the drying water reaches or approaches to the data, namely the drying requirement is met;

(2) carrying out data change analysis according to real-time monitored weight, wherein ① when beginning to heat and dry, the total discharged water amount is slowly increased along with the gradual rise of temperature, ② when the material is heated to a specific temperature, the total discharged water amount is rapidly increased, the material is accelerated to dry, ③ when the material is in the later stage of drying, the total discharged water amount is slowly increased along with the reduction of water content until the total discharged water amount is nearly not increased, ④ judges the material drying condition in turn according to the change condition of the total discharged water weight in unit time, and when the total discharged water weight is only slightly changed or not changed in a period of time, namely the total discharged water weight represents that the material is fully dried, and the method can be ended;

when the monitoring system 5 judges that the termination can be finished, sending out a termination prompt through an alarm output module, such as a buzzer, a warning lamp and the like; furthermore, a corresponding control signal can be sent to a control system of the main machine 1 of the double-cone rotary vacuum dryer, the machine is directly stopped, and energy is saved.

The utility model discloses vacuum drying system, through the steam discharge port at current bipyramid gyration vacuum drying machine, set up condenser 3, then collect, weigh the comdenstion water to judge the degree of drying of inside material, removed the jar of opening and measured the material dryness fraction from, improved the operation convenience; and the signal after the weighing judgment can be directly provided to a control system of the double-cone rotary vacuum dryer to stop the machine in time, thereby saving energy.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The vacuum drying system is provided with a double-cone rotary vacuum dryer main machine, and comprises a rotary support and a rotary tank body, wherein a control system of the double-cone rotary vacuum dryer main machine is arranged in the rotary support; the device is characterized in that an exhaust port is arranged in a rotating shaft on one side of the rotating tank body and connected to a vacuum pump, the exhaust port of the vacuum pump is connected with a condenser, the condenser is vertically placed, a water outlet is formed in the bottom of the condenser, and a weighing device is connected below the water outlet.

2. The vacuum drying system of claim 1, wherein the weighing device has an electronic induction scale on the bottom, and a receiving container on the scale, wherein the receiving container has a cylindrical shape, and the top of the receiving container has a water inlet communicated with the water outlet of the condenser; an air outlet is arranged at the top of the receiving container.

3. The vacuum drying system of claim 2, wherein the air outlet is an inverted cone-shaped mesh plate.

4. A vacuum drying system according to claim 2, wherein a dust screen is provided on top of the weighing means.

5. The vacuum drying system of claim 2, wherein the data interface of the electronic induction scale is connected to a data monitoring system; the data monitoring system comprises a data monitoring recording module, a data analyzing and judging module and an alarm output module.

6. The vacuum drying system of claim 5, wherein the alarm output module is connected to a control system of the main machine of the double-cone rotary vacuum dryer.