CN211120292U

CN211120292U - Recovery type internal and external heating vacuum drying system

Info

Publication number: CN211120292U
Application number: CN201922257304.7U
Authority: CN
Inventors: 汪国教
Original assignee: Nanjing Oufang Machinery Equipment Co ltd
Current assignee: Nanjing Oufang Machinery Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-28
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the technical field of drying equipment, in particular to a recovery type internal and external heating vacuum drying system, it includes the box, the drying rack, the baking pan, the condenser, the buffer tank, retrieve jar and scrubbing tower, the box includes shell body and interior nestification, install the heat dissipation coil pipe in the embedded cover intermediate layer, interior nestification top and bottom are semiellipse shape, the four corners is the arc angle transition, the drying rack is located in the box and is included flat bracket of multilayer and link, install the compressed air pipeline under every layer of bracket, a plurality of fumaroles are seted up to the compressed air pipeline, the drying tray is placed on the bracket, the hot water inlet of drying rack is seted up to the box lateral wall, the hot water outlet of drying rack, the compressed air import, the drain, heat dissipation coil pipe hot water inlet and heat dissipation coil pipe hot water outlet, the drain is seted up to the bottom half, the vacuum gap is seted up at the box top, vacuum gap and vacuum. The device provided by the utility model simple structure, the heating is even and fast to can realize not having the emission.

Description

Recovery type internal and external heating vacuum drying system

Technical Field

The utility model relates to a drying equipment technical field especially relates to a heating type vacuum drying system inside and outside recovery type.

Background

Vacuum drying oven has been widely used in various industries at present, especially in pharmaceutical industry, the medicine is in the process of drying, the vacuum-pumping treatment can accelerate the drying speed, but the temperature difference of the interior of the oven is larger under the action of vacuum-pumping in the general type vacuum drying oven, the materials on the upper layer and the lower layer are not dry uniformly, the materials are easy to foam and overflow the drying tray in the drying process, and the compressed air is directly blown to the materials from the compressed air inlet, the pressure is small, the penetration capacity is not available, the drying speed is slow, meanwhile, because of adopting the coil type heating, the heating temperature of the materials on the same layer is not uniform, and the steam formed by the evaporation of the medicines in the existing drying oven is directly discharged to the atmosphere through the vacuum pump discharged from the oven body, so that not only the peculiar smell is generated, the air is polluted, but also the useful components in the.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a recovery type internal and external heating type vacuum drying system that simple structure, heating are even and fast is provided to can realize not having the emission.

The utility model discloses a realize through following technical scheme:

the recycling type internal and external heating vacuum drying system comprises a box body, a drying rack, a drying tray, a condenser, a buffer tank, a recycling tank and a washing tower, wherein the box body comprises an outer shell and an inner nest, the inner nest is provided with an interlayer structure, a heat dissipation coil pipe is arranged in the interlayer, the top and the bottom of the inner nest inner wall are semi-elliptical, four corners of the inner nest inner wall are in arc transition, the drying rack is arranged in the box body and is of an integral structure and comprises a plurality of layers of flat plate type brackets and a connecting frame connected among the layers of brackets, a plurality of rows of mutually communicated compressed air pipelines are arranged at the lower surface of each layer of brackets, a plurality of air injection holes are formed in the bottom of each compressed air pipeline, the drying tray is arranged on the upper surface of each layer of brackets, a drying rack hot water inlet, a drying rack hot water outlet and a compressed air inlet communicated with the, The drain has been seted up to drain, the heat dissipation coil pipe hot water import and the heat dissipation coil pipe hot water export that are linked together with the heat dissipation coil pipe, the minimum point department in bottom of box, and the compressed air import passes through pipeline and compressor intercommunication, and the vacuum mouth has been seted up to the top maximum point department of box, condenser fixed mounting is at the top outside the box, and its steam inlet is linked together through the vacuum mouth of pipeline and box, and the condensate export is linked together with the condensate import of vacuum pump, and the condensate export of vacuum pump is linked together with the condensate import of buffer tank, and the reclaimed materials export of buffer tank is linked together with the recovery jar, and the waste liquid export of buffer tank is linked together.

Furthermore, a plurality of guide plates are arranged in each layer of bracket.

Further, a sensor is installed at the top in the box body, a timer is installed outside the box body, and the control ends of the sensor and the timer are respectively connected with the compressor through cables.

Furthermore, a water return disc is installed at the top in the box body, and a water return pipe leading to the bottom of the box body is installed on the water return disc.

Further, the sewage draining port is communicated with the liquid storage tank through a pipeline.

Further, the embedded sleeve is filled with a heat insulation material.

The beneficial effects of the utility model

The utility model discloses a retrieve inside and outside fever type vacuum drying system of formula, the box includes shell body and nestification, the nestification has sandwich structure, install the heat dissipation coil pipe in the intermediate layer, dry by the fire and erect in the box and be monolithic structure, include the flat bracket of multilayer and connect the link between the multilayer bracket, set up respectively on the lateral wall of box with dry by the fire the hot water inlet of frame that the frame both ends are linked together, dry by the fire the hot water export, the compressed air import that is linked together with the compressed air pipeline, the drain, the hot water import of heat dissipation coil pipe and the hot water export of heat dissipation coil pipe that are linked together with the heat dissipation coil pipe, overall structure is fairly simple, and realize the two kinds of heating methods of hot water heating in heat dissipation coil pipe heating and the flat bracket in the box in the intermediate layer, heat radiating area has been increased, make the.

The vacuum pumping treatment is adopted in the heating process, the dried material is heated and dried under the vacuum condition, the boiling point of water is reduced, a high drying rate can be obtained at a lower temperature, the heat is fully utilized, and no impurity is mixed in the drying process; after the medicine foams, blow in the compressed air through high-pressure purification treatment in to the compressed air pipeline through the compressor, because the compressed air pipeline of multirow mutual intercommunication is installed to the lower surface department of every layer of bracket, a plurality of fumaroles have been seted up to the bottom of compressed air pipeline, can make the quick broken bubble of medicine, further improve drying efficiency.

Simultaneously, at the in-process of vacuum pump evacuation, form liquid through the condenser condensation earlier from vacuum port exhaust steam, in the vacuum pump gets into the buffer tank again, through the buffering processing back, the waste liquid gets into the washing tower washing processing, and recoverable article get into in retrieving the jar through the buffer tank and retrieve, have not only improved the life of vacuum pump, and whole process does not have the exhaust outward and arranges in addition, has protected ambient air, and has retrieved useful product, has reduced the manufacturing cost of enterprise.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

in the figure, 1, a liquid storage tank, 2, a drying rack hot water inlet, 3, a radiating coil hot water inlet, 4, an emptying port, 5, a timer, 6, a sewage outlet, 7, a compressed air pipeline, 8, a thermal insulation material, 9, a drying rack hot water outlet, 10, a radiating coil hot water outlet, 11, a vacuum pump, 12, a vacuum port, 13, a sensor, 14, a flat plate type bracket, 15, a drying tray, 16, a water return tray, 17, a radiating coil, 18, a compressed air inlet, 19, a compressor, 20, an outer shell, 21 is nested inside, 22, a connecting frame, 23, a condenser, 24, a buffer tank, 25, a recovery tank and 26 are washing towers.

Detailed Description

The utility model provides an interior external heating type vacuum drying system of recovery formula, it includes box, drying rack, baking pan 15, condenser 23, buffer tank 24, recovery jar 25 and washing tower 26, the box includes shell body 20 and interior nested 21, interior nested has sandwich structure, installs heat dissipation coil pipe 17 in the intermediate layer, and interior nested inner wall top and bottom are semiellipse, and the four corners is the arc angle transition, makes temperature smooth, even in the box during heating, has changed the defect that the baking pan of former square type vacuum oven top one deck material is equipped with is difficult for drying, and simultaneously, the bead of being convenient for the material production at the in-process of drying is in the same direction as both sides face inflow bottom half, outside the discharge box of drain.

The drying rack is arranged in the box body and is of an integral structure, comprises a plurality of layers of flat plate type brackets 14 and a connecting frame 22 connected between the plurality of layers of brackets, a plurality of rows of mutually communicated compressed air pipelines 7 are arranged at the lower surface of each layer of brackets, a plurality of air injection holes (not shown) are formed in the bottom of each compressed air pipeline, the traditional foam breaking mode that compressed air directly hits the material from a compressed air inlet is changed, the medicine can be quickly broken, and the drying efficiency is further improved.

The baking pan is placed on the upper surface of each layer of bracket, a baking rack hot water inlet 2, a baking rack hot water outlet 9, a compressed air inlet 18 and a vent 4 which are respectively communicated with the two ends of the baking rack, a heat dissipation coil hot water inlet 3 and a heat dissipation coil hot water outlet 10 which are respectively communicated with the two ends of the baking rack are arranged on the side wall of the box body, the two modes of heating inside and outside are adopted, the coil type heating is changed into flat plate type heating, the heating is more uniform, and the drying efficiency is higher. The lowest point of the bottom of the box body is provided with a sewage outlet 6, so that impurities can be conveniently discharged out of the box body. Compressed air inlet passes through the pipeline and communicates with compressor 19, vacuum port 12 has been seted up to the top highest point department of box, condenser fixed mounting is in the outer top of box, its steam inlet is linked together through the vacuum port of pipeline and box, the condensate export is linked together with the condensate import of vacuum pump, the condensate export of vacuum pump is linked together with the condensate import of buffer tank, the reclaimed materials export of buffer tank is linked together with the recovery jar, the waste liquid export of buffer tank is linked together with the waste liquid import of scrubbing tower, make in-process in the vacuum pump evacuation, after the steam of following vacuum port exhaust passes through condenser condensation earlier and forms liquid, get into in the buffer tank through the vacuum pump again, after the buffering, the waste liquid gets into the scrubbing tower washing and handles, but recoverable article get into in the recovery jar through the buffer tank and retrieve.

Furthermore, a plurality of guide plates (not shown) are arranged in each layer of bracket, so that the uniform heat dissipation of each position of the upper and lower flat plates and the strength and the flatness of the flat plates can be ensured.

Further, sensor 13 is installed at the top in the box, and time-recorder 5 is installed outward to the box, and the control end of sensor and time-recorder passes through the cable with the compressor respectively and is connected, senses article foaming back when the sensor, can control the compressor and start, blows in compressed air to the box in, makes the medicine break the bubble fast, also can control the start-up of compressor through heat time, makes the medicine break the bubble fast, realizes dual automatic control.

Further, a water return disc 16 is installed at the top in the box body, and a water return pipe (not shown) leading to the bottom of the box body is installed on the water return disc, so that vacuumized return water can be conveniently collected in the water return disc and flows into the bottom in the box body through a pipeline.

Further, the drain passes through the pipeline and communicates with liquid storage pot 1, conveniently collects and clears away impurity, prevents outflow polluted environment.

Further, the embedded sleeve is internally filled with a heat insulation material 8, so that the heat insulation effect of the box body is improved, and the heat efficiency is ensured.

Note that the condenser, the buffer tank and the washing tower are all the existing commercial products.

When the medicine needs to be dried, the drying tray is placed on the flat plate type bracket, hot water is introduced into the flat plate type bracket and the heat dissipation coil pipe, the vacuum pump vacuumizes the box body to heat the medicine in a vacuum state, the heating speed is high and uniform, after the medicine expands and foams due to heating, the compressor is started, purified high-pressure air is injected into the compressed air pipeline and is sprayed out to the medicine in the drying tray from a plurality of air injection holes at the bottom of the compressed air pipeline, so that the medicine is quickly broken, meanwhile, in the process of vacuum pumping, steam discharged from a vacuum port is condensed by the condenser to form liquid and then enters the buffer tank through the vacuum pump, after the buffer treatment, waste liquid enters the washing tower for washing treatment, and recyclable articles enter the recovery tank for recovery through the buffer tank, so that the service life of the vacuum pump is prolonged, and no exhaust gas is discharged in the whole process, so that the environmental air is protected, useful products are recycled, and the production cost of enterprises is reduced.

In conclusion, the recovery type internal and external heating type vacuum drying system protected by the application is simple in structure, even in heating, capable of realizing rapid bubble breaking of articles and improving heating speed, capable of realizing no-emission recovery, protecting ambient air and reducing production cost of enterprises.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The recycling type internal and external heating vacuum drying system is characterized by comprising a box body, a drying rack, a drying tray, a condenser, a buffer tank, a recycling tank and a washing tower, wherein the box body comprises an outer shell and an inner nesting sleeve, the inner nesting sleeve is provided with an interlayer structure, a heat dissipation coil is arranged in the interlayer, the top and the bottom of the inner wall of the inner nesting sleeve are semi-elliptical, four corners of the inner wall of the inner nesting sleeve are in arc transition, the drying rack is arranged in the box body and is of an integral structure and comprises a plurality of layers of flat plate type brackets and a connecting frame connected among the plurality of layers of brackets, a plurality of rows of mutually communicated compressed air pipelines are arranged at the lower surface of each layer of brackets, a plurality of air injection holes are formed in the bottom of each compressed air pipeline, the drying tray is arranged on the upper surface of each layer of brackets, and a drying rack hot water inlet, a drying rack hot, The drain has been seted up to drain, the heat dissipation coil pipe hot water import and the heat dissipation coil pipe hot water export that are linked together with the heat dissipation coil pipe, the minimum point department in bottom of box, and the compressed air import passes through pipeline and compressor intercommunication, and the vacuum mouth has been seted up to the top maximum point department of box, condenser fixed mounting is at the top outside the box, and its steam inlet is linked together through the vacuum mouth of pipeline and box, and the condensate export is linked together with the condensate import of vacuum pump, and the condensate export of vacuum pump is linked together with the condensate import of buffer tank, and the reclaimed materials export of buffer tank is linked together with the recovery jar, and the waste liquid export of buffer tank is linked together.

2. A recycling inside-outside heating type vacuum drying system according to claim 1, wherein a plurality of baffles are installed inside each layer of the tray.

3. The recycling type internal and external heating vacuum drying system according to claim 1, wherein a sensor is installed at the top of the box body, a timer is installed outside the box body, and the control ends of the sensor and the timer are respectively connected with the compressor through cables.

4. The recycling type internal and external heating vacuum drying system according to claim 1, wherein a water return plate is installed at the top of the inside of the box body, and a water return pipe leading to the bottom of the box body is installed on the water return plate.

5. The recycling type internal and external heating vacuum drying system according to claim 1, wherein the sewage draining outlet is communicated with the liquid storage tank through a pipeline.

6. The recycling type inside-outside heating vacuum drying system according to claim 1, wherein the inner sleeve is filled with a thermal insulation material.