CN213543170U

CN213543170U - Spray drier

Info

Publication number: CN213543170U
Application number: CN202022344265.7U
Authority: CN
Inventors: 黄贞胜; 吴云通
Original assignee: Xiamen Haijiacheng Biotechnology Co ltd
Current assignee: Xiamen Haijiacheng Biotechnology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-25
Anticipated expiration: 2030-10-20

Abstract

The utility model provides a spray drier, it includes the desiccator body, the inside lower extreme of desiccator body rotates and is connected with the pivot, pivot upper end week side rigid coupling has a plurality of support arms, the support arm is kept away from the vertical rigid coupling of one end up end of pivot and is had the scraper blade, scraper blade and desiccator body inner wall butt, the pivot, all set up the water guide way of mutual intercommunication in support arm and the scraper blade, desiccator body lower extreme is provided with the rigid coupling in the pivot and with the rotary joint that the water guide said the intercommunication, the rotary joint intercommunication has the flushing pipe, set up a plurality of directional adjacent desiccator body inner walls and with the through-hole that the water guide said the intercommunication on the scraper blade. The utility model discloses a wash pipe lets in clear water in the water guide way, and the clear water can wash desiccator body inner wall from a plurality of through-hole discharges on the scraper blade, and the rotatory back of drive pivot, scraper blade constantly scrape desiccator body inner wall, and through-hole spun clear water washes again simultaneously, is showing the automatically cleaning effect that has improved the desiccator body.

Description

Spray drier

Technical Field

The utility model relates to a drying equipment's technical field, in particular to spray drier.

Background

Spray drying is the most widely used process in the liquid process forming and drying industry, and is most suitable for producing powdered, granular solid products from liquid raw materials in solution, emulsion, suspension and paste form, and is therefore a highly desirable process when the particle size distribution, residual moisture content, bulk density and particle shape of the finished product must meet exacting criteria.

The prior Chinese patent with the patent publication number of CN211586474U proposes a centrifugal spray dryer with a cleaning device, which comprises a dryer body, a cleaning structure, a drying structure and a water-saving circulating structure, wherein the cleaning structure is positioned at one side of the dryer body, one end of the cleaning structure is positioned inside the dryer body, the drying structure is positioned at one side of the dryer body, the other end of the drying structure is positioned inside the dryer body, and the water-saving circulating structure is positioned at the other side of the dryer body and is connected with the bottom end of the dryer body; the cleaning structure comprises a water inlet pipe, a water outlet pipe, a booster pump and a spray head, wherein the booster pump is fixedly installed on the top end of the water collecting tank, one end of the water inlet pipe is fixedly connected with the booster pump, the other end of the water inlet pipe is fixedly connected with the water collecting tank, the spray head is fixedly installed inside the dryer body and located on the top end of the dryer body, one end of the water outlet pipe is fixedly connected with the booster pump, and the other end.

The above prior art solutions have the following drawbacks: a shower nozzle setting for cleaning dryer body inner wall is on dryer body top, and is difficult effectively clean the dryer inner wall, leads to the raw materials to remain easily, influences follow-up production quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spray dryer to solve the not thorough problem of desiccator body inner wall clearance.

The utility model provides a spray dryer, including the desiccator body, the inside lower extreme of desiccator body rotates and is connected with the pivot, pivot upper end week side rigid coupling has a plurality of support arms, the support arm is kept away from the vertical rigid coupling of one end up end of pivot has the scraper blade, the scraper blade with desiccator body inner wall butt, the pivot the support arm with all set up the water guide way of mutual intercommunication in the scraper blade, desiccator body lower extreme is provided with the rigid coupling and is in the pivot and with the rotary joint of water guide way intercommunication, the rotary joint intercommunication has the flushing pipe, set up a plurality of directional neighbours on the scraper blade desiccator body inner wall and with the through-hole of water guide way intercommunication.

Further, the through hole is formed in one side, departing from the rotating direction of the rotating shaft, of the scraper.

Furthermore, the scraper is provided with a spray head at the through hole.

Further, a motor is arranged below the dryer body, and the output end of the motor is coaxially and fixedly connected with the rotating shaft.

Furthermore, at least one of the scraping plates is made of soft materials, and the soft scraping plates are in interference fit with the inner wall of the dryer body.

Furthermore, a first valve is arranged on the flushing pipe, a flushing changing pipe is connected to the position, between the first valve and the dryer body, of the flushing pipe, and a second valve is arranged on the flushing changing pipe.

Furthermore, one end of the washing changing pipe, which is far away from the dryer body, is communicated with the hot air pipeline of the dryer body.

The utility model discloses following beneficial effect has: when clearing up the desiccator body, let in clear water in the water guide way through the flushing pipe, the clear water can wash desiccator body inner wall from a plurality of through-hole discharge on the scraper blade, and the rotatory back of drive pivot, scraper blade constantly scrape desiccator body inner wall, and through-hole spun clear water washes again simultaneously, is showing the automatically cleaning effect that has improved the desiccator body.

Drawings

Fig. 1 is a schematic view of the present invention in a partial cross-sectional structure.

Description of the main element symbols:

drying machine body	1	Rotating shaft	2	Support arm	3
						Scraping plate	4	Rotary joint	5	Flushing pipe	6
Through hole	7	Spray head	8	Electric machine	9
						First valve	10	Washing tube	11	Second valve	12

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in figure 1, the utility model provides a spray dryer, which comprises a dryer body 1, a rotating shaft 2 is rotatably connected at the lower end inside the dryer body 1, a motor 9 is arranged below the dryer body 1, the output end of the motor 9 is coaxially fixedly connected with the rotating shaft 2, a plurality of support arms 3 are fixedly connected at the peripheral side of the upper end of the rotating shaft 2, in the embodiment, the support arms 3 are arranged in two and are distributed in a circumferential array at equal intervals by the axis of the rotating shaft 2, a scraper 4 is vertically fixedly connected at the upper end surface of one end of the support arm 3 far away from the rotating shaft 2, the scraper 4 is abutted against the inner wall of the dryer, all set up the water guide way of mutual intercommunication in support arm 3 and the scraper blade 4, 1 lower extreme of desiccator body is provided with the rotary joint 5 that the rigid coupling just communicates with the water guide way on pivot 2, and rotary joint 5 intercommunication has wash pipe 6, sets up a plurality of directional adjacent through-holes 7 that 1 inner wall of desiccator body just communicate with the water guide way on the scraper blade 4.

When clearance desiccator body 1, let in the clear water in the water guide way through flushing pipe 6, the clear water can wash desiccator body 1 inner wall from a plurality of through-hole 7 discharges on the scraper blade 4,

starter motor

9, 2 rotatory backs of motor 9 drive pivot, outside water source lets in the water guide way through rotary joint 5, scraper blade 4 constantly scrapes desiccator body 1 inner wall, 7 spun clear water of through-hole washes again simultaneously, showing the automatically cleaning effect that has improved desiccator body 1, the influence to desiccator body 1 follow-up production quality has been avoided as far as possible.

As shown in fig. 1, the through hole 7 is arranged on one side of the scraper 4 departing from the rotating direction of the rotating shaft 2, so that when the rotating shaft 2 drives the scraper 4 to rotate, residual impurities invade into the through hole 7 to block the water guide channel; the scraper 4 is provided with the shower nozzle 8 in through-hole 7 department, has further increased the water pressure from through-hole 7 department blowout clear water, has improved the cleaning performance.

At least one of the scrapers 4 is made of soft material, the soft scrapers 4 are in interference fit with the inner wall of the dryer body 1, and the soft scrapers 4 are made of heat-resistant rubber in the embodiment. Soft scraper blade 4 and 1 inner wall interference fit of desiccator body have improved the clean effect of scraper blade 4 to 1 inner wall of desiccator body, also reduce the damage that too much stereoplasm scraper blade 4 caused to 1 inner wall of desiccator body as far as possible.

As shown in fig. 1, a first valve 10 is disposed on the flushing pipe 6, a flushing-changing pipe 11 is connected to the flushing pipe 6 between the first valve 10 and the dryer body 1, a second valve 12 is disposed on the flushing-changing pipe 11, and one end of the flushing-changing pipe 11 far away from the dryer body 1 is communicated with the hot air duct of the dryer body 1.

After the clean water is washed, the first valve 10 is closed, the second valve 12 is opened, so that hot air is introduced into the washing pipe 6 and the water guide channel through the washing pipe 11, and is sprayed out through the plurality of spray heads 8, the dryer body 1 can be sufficiently air-dried, and the possibility of pollution of the dryer body 1 is further reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a spray dryer, includes the desiccator body, its characterized in that, the inside lower extreme of desiccator body rotates and is connected with the pivot, pivot upper end week side rigid coupling has a plurality of support arms, the support arm is kept away from the vertical rigid coupling of one end up end of pivot has the scraper blade, the scraper blade with desiccator body inner wall butt, the pivot the support arm with all set up the water guide way of mutual intercommunication in the scraper blade, desiccator body lower extreme is provided with the rigid coupling and is in the pivot and with the rotary joint of water guide way intercommunication, the rotary joint intercommunication has the flushing pipe, set up a plurality of directional vicinities on the scraper blade desiccator body inner wall and with the through-hole of water guide way intercommunication.

2. A spray dryer according to claim 1, wherein said through-hole is provided on a side of said scraper facing away from a direction of rotation of said rotary shaft.

3. A spray dryer according to claim 2 wherein said scraper is provided with spray nozzles at said through holes.

4. The spray dryer according to claim 3, wherein a motor is disposed below the dryer body, and an output end of the motor is coaxially and fixedly connected to the rotating shaft.

5. The spray dryer of claim 1, wherein at least one of said plurality of scrapers is made of a soft material, and said soft scraper is in interference fit with an inner wall of said dryer body.

6. The spray dryer of claim 1, wherein the flushing pipe is provided with a first valve, a flushing pipe is connected to the flushing pipe at a position between the first valve and the dryer body, and a second valve is provided on the flushing pipe.

7. The spray dryer of claim 6, wherein an end of the flushing pipe away from the dryer body is communicated with a hot air duct of the dryer body.