CN216953984U

CN216953984U - Hopper cleaning drying system

Info

Publication number: CN216953984U
Application number: CN202220736271.3U
Authority: CN
Inventors: 王凯; 李成仙; 鞠鹏; 燕超
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-12
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a drying system for cleaning a hopper, which comprises: the air inlet device and the filtering system are respectively arranged on the air inlet pipeline, the air inlet pipeline and the exhaust pipeline are respectively connected with the cleaning cabin, the exhaust device is arranged on the exhaust pipeline, the exhaust pipeline is provided with a switch valve, the cleaning cabin is provided with an internal and external pressure difference detection device, and the switch valve, the internal and external pressure difference detection device, the exhaust device, the air inlet device and the cleaning cabin are all in signal connection with the control system. The abluent drying system of hopper that this application provided sets up hot blast blowpipe apparatus at the air-supply line, sets up exhaust device simultaneously at the exhaust pipe way, has promoted heat exchange efficiency, through setting up exhaust device at the exhaust pipe way, has solved exhaust pipe backpressure problem for drying efficiency.

Description

Hopper cleaning drying system

Technical Field

The utility model relates to the technical field of medicine production, in particular to a drying system for cleaning a hopper.

Background

At present, a hopper applied to the fields of bio-pharmaceuticals, solid preparations, Chinese herbal medicines and the like needs to be put into a cleaning cabin for cleaning after being used for a period of time, and the hopper needs to be dried after being cleaned. The air inlet unit with large air volume blows air into the cleaning cabin and the hopper after filtering and heating, takes away residual water drops through heat, and achieves the drying effect. However, the existing drying system has the following defects: the pressure of a large-air-volume blast system is generally lower, hot air enters a cleaning cabin and a hopper and is discharged to an air outlet through natural pressure, and the heat exchange efficiency is low; because the equipment is generally very big, therefore the exhaust pipe caliber is big, and the pipeline is long, produces the backpressure easily, leads to airing exhaust unsmoothly, influences drying effect.

In summary, how to solve the problems of low heat exchange efficiency and easy generation of back pressure of the existing hopper drying system is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a drying system for hopper cleaning, which has high heat exchange efficiency and does not generate back pressure.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a hopper wash drying system comprising: the air inlet device and the filtering system are respectively arranged on the air inlet pipeline, the air inlet pipeline and the exhaust pipeline are respectively connected with the cleaning cabin, the exhaust device is arranged on the exhaust pipeline, the exhaust pipeline is provided with a switch valve, the cleaning cabin is provided with an internal and external pressure difference detection device, and the switch valve, the internal and external pressure difference detection device, the exhaust device, the air inlet device and the cleaning cabin are in signal connection with the control system.

Preferably, the filtering system comprises a primary filter, a middle filter and a high filter, the middle filter is arranged between the primary filter and the high filter, the primary filter, the middle filter and the high filter are sequentially arranged along the air inlet pipeline, and the distance between the high filter and the cleaning cabin is close to the distance between the primary filter and the cleaning cabin.

Preferably, the system also comprises a micro differential pressure transmitter, and the micro differential pressure transmitter is respectively connected with the air inlet pipelines at the two ends of the advanced filter.

Preferably, the air conditioner further comprises a heating device arranged on the air inlet pipeline, and the heating device is in signal connection with the control system.

Preferably, a temperature detection device is arranged on the air inlet pipeline between the heating device and the filtering system, and the temperature detection device is in signal connection with the control system.

Preferably, a pressure switch is arranged on the air inlet pipeline between the filtering system and the cleaning cabin, and the pressure switch is in signal connection with the control system. The utility model provides a method for preparing a composite material.

The abluent drying system of hopper that this application provided sets up hot blast blowpipe apparatus at the air-supply line, sets up exhaust device simultaneously at the exhaust pipe way, has promoted heat exchange efficiency, through setting up exhaust device at the exhaust pipe way, has solved exhaust pipe backpressure problem for drying efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of a hopper cleaning drying system provided by the present invention.

In FIG. 1:

1-primary filter, 2-air intake device, 3-heating device, 4-middle filter, 5-high filter, 6-micro differential pressure transmitter, 7-temperature detecting device, 8-pressure switch, 9-switch valve, 10-internal and external differential pressure detecting device, 11-cleaning cabin, 12-air exhaust device, 13-hopper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the utility model is to provide a drying system for cleaning the hopper, which has high heat exchange efficiency and can not generate back pressure.

Referring to fig. 1, a drying system for hopper cleaning includes: air inlet device 2, the air inlet pipeline, the exhaust pipeline, cleaning cabin 11, filtration system, exhaust device 12 and control system, air inlet device 2 and filtration system set up respectively in the air inlet pipeline, air inlet pipeline and exhaust pipeline are connected with cleaning cabin 11 respectively, exhaust device 12 sets up in the exhaust pipeline, the exhaust pipeline sets up ooff valve 9, cleaning cabin 11 sets up inside and outside pressure difference detection device 10, ooff valve 9, inside and outside pressure difference detection device 10, exhaust device 12, air inlet device 2 and cleaning cabin 11 all with control system signal connection.

It should be noted that the air intake device 2 is used for inputting an air flow along an air intake pipeline, and the air flow enters the cleaning cabin 11 after being filtered by the filtering system, and the cleaning cabin 11 can clean and dry the hopper 13. The exhaust pipeline is communicated with the cleaning cabin 11, and the exhaust device 12 is arranged on the exhaust pipeline and used for generating negative pressure in the exhaust pipeline and pumping out air in the cleaning cabin 11 along the exhaust pipeline.

When cleaning, the control system controls the cleaning cabin 11 to clean the hopper 13, and the opening and closing of the switch valve 9 are controlled according to the real-time monitoring of the internal and external pressure difference detection device 10 in the cleaning process, so that the condition that no positive or negative high pressure exists in the cleaning cabin 11 is ensured, and the safety coefficient is improved. After the cleaning is finished, the drying process is automatically carried out, and the switch valve 9 is opened all the time. Air passes through air intake device 2 and from external suction air inlet pipeline, and in entering washing cabin 11 and hopper 13 after filtration system filters, take away surface residual water through the air current to discharge through the exhaust pipe way, realize drying. Meanwhile, the air exhaust device 12 is started to perform auxiliary air exhaust, so that the drying effect is improved, and the negative pressure of the cleaning cabin 11 caused by overlarge air intake or overlarge air exhaust quantity caused by overlarge cleaning cabin 11 is prevented.

Preferably, exhaust device 12 is the frequency conversion fan of airing exhaust, and according to inside and outside pressure difference detection device 10's real-time supervision, control system automatic control fan frequency of airing exhaust realizes the constant voltage operation of pressure-fired, and the effect of advancing is advanced to the greatest extent, not only can promote drying efficiency, can also guarantee that the under-deck pressure differential is stable, and application scope is wider.

The abluent drying system of hopper that this application provided sets up hot blast blowpipe apparatus 2 at the air-supply line, sets up exhaust device 12 at the exhaust pipe way simultaneously, has promoted heat exchange efficiency, through setting up exhaust device 12 at the exhaust pipe way, has solved exhaust pipe backpressure problem for drying efficiency.

On the basis of the above embodiment, as a further preferred, the filtering system comprises a primary filter 1, a middle-stage filter 4 and a high-stage filter 5, wherein the middle-stage filter 4 is arranged between the primary filter 1 and the high-stage filter 5, the primary filter 1, the middle-stage filter 4 and the high-stage filter 5 are arranged in sequence along the air inlet pipeline, and the distance between the high-stage filter 5 and the cleaning cabin 11 is close to the distance between the primary filter 1 and the cleaning cabin 11. The primary filter 1 primarily filters airflow entering an air inlet pipeline, the intermediate filter 4 further filters the primarily filtered airflow, the high-grade filter 5 finally filters the airflow filtered by the intermediate filter 4, the air filtered by the third-grade filter is almost free of impurities, and the hopper 13 is kept clean when the hopper 13 is dried.

On the basis of the above embodiment, as a further preferred, the system further comprises a micro differential pressure transmitter 6, wherein the micro differential pressure transmitter 6 can monitor the pressure difference between the front and the back of the advanced filter 5 in real time, and when the advanced filter 5 is blocked or leaked, the pressure difference can be timely fed back to a control system for timely inspection, maintenance or replacement; the risk of damage to the drying system by the advanced filter 5 can be reduced.

In addition to the above embodiments, as a further preferred, the air conditioner further includes a heating device 3 disposed on the air intake pipeline, and the heating device 3 is in signal connection with the control system. The heating device 3 can heat the air before entering the cleaning cabin 11, and the air entering the cleaning cabin 11 is guaranteed to be hot air, so that the drying efficiency is further improved.

In addition to the above embodiments, it is further preferable that a temperature detection device 7 is provided in the air intake duct between the heating device 3 and the filter system, and the temperature detection device 7 is in signal connection with the control system. The temperature detection device 7 can monitor the air temperature after the heating device 3 heats in real time, and transmits a temperature value signal to the control system, and the control system can control the heating temperature of the heating device 3 according to the temperature signal detected and fed back by the temperature detection device so as to control the drying temperature.

On the basis of the above embodiment, as a further preferred, a pressure switch 8 is arranged on the air inlet pipeline between the filtering system and the cleaning cabin 11, and the pressure switch 8 is in signal connection with the control system. Pressure switch 8 can detect the pressure of air inlet pipe way, and when wasing, pressure switch 8 closes, and when pressure switch 8 detected the air inlet pipe way pressure of washing 11 one sides great, automatic opening avoids taking place the too big incident that takes place of pressure.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The drying system for cleaning the hopper provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A hopper wash drying system comprising: the air inlet device and the filtering system are respectively arranged on the air inlet pipeline, the air inlet pipeline and the exhaust pipeline are respectively connected with the cleaning cabin, the exhaust device is arranged on the exhaust pipeline, the exhaust pipeline is provided with a switch valve, the cleaning cabin is provided with an internal and external pressure difference detection device, and the switch valve, the internal and external pressure difference detection device, the exhaust device, the air inlet device and the cleaning cabin are in signal connection with the control system.

2. The hopper cleaning and drying system of claim 1 wherein the filtration system comprises a primary filter, a secondary filter and a high-grade filter, the secondary filter being disposed between the primary filter and the high-grade filter, the primary filter, the secondary filter and the high-grade filter being disposed in sequence along the air intake line, the high-grade filter being located closer to the cleaning bay than the primary filter.

3. The hopper cleaning and drying system according to claim 2, further comprising a micro differential pressure transmitter connected to the air inlet pipes at both ends of the advanced filter, respectively.

4. The hopper cleaning and drying system of claim 1 further comprising a heating device disposed in the air intake line, the heating device in signal communication with the control system.

5. The hopper cleaning and drying system according to claim 4, wherein the air inlet pipeline between the heating device and the filtering system is provided with a temperature detection device which is in signal connection with the control system.

6. The hopper cleaning and drying system of claim 1 wherein the air inlet line between the filter system and the cleaning chamber is provided with a pressure switch in signal connection with the control system.