CN213811611U

CN213811611U - Drying device of microelement nutrient

Info

Publication number: CN213811611U
Application number: CN202022824679.XU
Authority: CN
Inventors: 肖少军; 向阳葵; 周孝治; 陈光伟; 孙毅
Original assignee: Changsha Xingjia Biological Engineering Co Ltd
Current assignee: Changsha Xingjia Biological Engineering Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-27
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a drying device of microelement nutrient, including dry mechanism of paddle, broken mechanism, the dry mechanism of disk and induced air dust removal mechanism, the discharge gate of the dry mechanism of paddle links to each other through broken mechanism and the pan feeding mouth of the dry mechanism of disk, and the entry of induced air dust removal mechanism links to each other with the dry mechanism of paddle. The utility model discloses a drying device of microelement nutrient has advantages such as energy-concerving and environment-protective, drying power is strong, especially is fit for the paste, takes the drying of viscidity, smelly material, enables the material to obtain abundant dispersion, does benefit to and improves drying efficiency, and the collection and the processing of peculiar smell when doing benefit to smelly material drying.

Description

Drying device of microelement nutrient

Technical Field

The utility model belongs to feed additive processing equipment field especially relates to a drying device.

Background

Organic micronutrients (such as organic salt, amino acid chelate compound, hydrolyzed protein salt and the like) are commonly used in feed, and compared with inorganic micronutrients which have the advantages of good structural stability, high biological value and easy digestion and absorption, the organic micronutrients can improve the storage stability of grease and vitamins in the compound premix, reduce the loss rate of the grease and the vitamins in the premix and are beneficial to improving the quality and the utilization rate of the feed. Therefore, the feed additive is a novel environment-friendly high-efficiency feed additive and is widely applied to the feed industry at present.

Organic micronutrients are usually present in filter cakes, thin paste-like, pasty and viscous materials during the preparation process and need to be dried. The existing filter cake-shaped, thin slurry-shaped, paste-shaped and viscous materials are generally dried by a flash evaporation dryer, but due to the drying characteristics of the flash evaporation dryer, a large amount of hot air is needed during drying, and the dried waste heat air is not convenient to use, so that the energy demand of flash evaporation drying is large, the energy waste is large, the energy consumption cost is high, and meanwhile, if the materials with peculiar smell are dried, a large amount of peculiar smell gas can be generated by flash evaporation drying, and the collection and the treatment of the peculiar smell gas are also convenient.

Therefore, it is necessary to develop a drying apparatus having advantages of high efficiency, energy saving, environmental protection, etc.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide a drying device of microelement nutrient high-efficient, energy-conserving, environmental protection, be applicable to dry smelly product. In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides a drying device of microelement nutrient, includes paddle drying mechanism, crushing mechanism, disk drying mechanism and induced air dust removal mechanism, and the discharge gate of paddle drying mechanism passes through crushing mechanism and links to each other with the pan feeding mouth of disk drying mechanism, and the entry of induced air dust removal mechanism links to each other with paddle drying mechanism. The upper part of the front end of the paddle drying mechanism is provided with a feeding hole, and the lower part of the disc type drying mechanism is provided with a discharging hole for discharging dried materials.

In the above drying device, preferably, the induced air dust removal mechanism sequentially includes a dust remover and an induced draft fan along the gas flow direction, the dust remover is connected with the paddle drying mechanism, and the inlet end of the induced draft fan is connected with the dust remover. The dust remover is used for separating water vapor and powder materials in the drying machine, and the separated materials continue to return to the interior of the blade drying mechanism and are discharged from the discharge port to enter the crushing mechanism. The effect of draught fan lies in making hollow blade drying mechanism, the inside negative pressure state that keeps of disc drying mechanism, and the moisture is in time circulated and is discharged, prevents the inside gathering of steam that produces in the drying process in the desiccator, improves drying efficiency to take away powdery material and get into the dust remover and collect.

In the above drying device, preferably, the inner cavity of the disc drying mechanism is communicated with the inner cavity of the paddle drying mechanism through an air pipe. The existence of the air pipe can lead hot steam containing powdery materials in the disc type drying mechanism into the dust remover to be collected and removed, and the air pipe can collect the hot steam in the disc type drying mechanism and the hot steam in the blade drying mechanism so as to be convenient for centralized treatment, and particularly has more obvious advantages in centralized treatment aiming at gases with peculiar smell.

In the above drying device, preferably, the paddle drying mechanism includes a hollow main shaft and a plurality of wedge-shaped hollow paddles arranged on the hollow main shaft, and the hollow main shaft is connected with a heat transfer medium inlet pipe and a heat transfer medium return pipe. The hollow main shaft can be provided with a plurality of hollow main shafts, one end or two ends of each hollow main shaft are provided with rotary joints, steam can enter the hollow main shaft and is distributed to each hollow blade, the blades are heated, and steam condensate water vapor after heat exchange is converged to the interlayer of the hollow main shaft and is discharged from the rotary joints.

In the above drying device, preferably, the discharge port of the paddle drying mechanism is provided with a baffle. The baffle can guarantee the height of material, makes the heat transfer surface all covered in order to improve heat utilization ratio by the material.

In the above-mentioned drying device, preferably, the crushing mechanism includes crushing portion and a screen part for separating uncrushed large granule material and further crushing, and the screen part is located crushing portion bottom. The material that gets into in the crushing mechanism, under the crushing of crushing portion (crushing blade), the material that disperses into the tiny granule gets into disk drying mechanism through the screen cloth portion of bottom, and preliminary crushing does not reach the material that the particle diameter required and continues to smash in crushing portion, finally enters into disk desiccator through screen cloth portion and continues the drying.

In the above drying apparatus, preferably, a heat exchanger is provided on a side surface of the disc drying mechanism, and a primary filter is provided at an inlet end of the heat exchanger. The heat exchanger entrance point is equipped with the primary filter, can filter the air that gets into in the dry mechanism of disk, can prevent effectively that the dust in the air from getting into the dry mechanism of disk and polluting the product, and heat exchanger can be to the air heating again simultaneously, ensures that the dry mechanism of disk inside temperature is unlikely to reduce and influence drying effect, also does benefit to the supplementary air, makes the hot-air that gets into the dry mechanism of disk take away the steam of evaporating under the effect of draught fan.

Among the above-mentioned drying device, preferred, be equipped with orifice plate, drying tray and cooling tray in the dry mechanism of disk, the top of dry mechanism of disk is located to the orifice plate, and the bottom of dry mechanism of disk is located to the cooling tray, and the drying tray is equipped with the multilayer, and the drying tray is located between orifice plate and the cooling tray. The top layer of the disc type drying mechanism is provided with a circular sieve plate, and materials entering the sieve plate can be uniformly raked to fall to the lower drying disc under the action of the top layer rake leaves. In the drying process, the materials can enter different drying trays from top to bottom step by step, then fall into a cooling tray for cooling (cooling water enters a disc of the cooling tray to reduce the discharging temperature), and the materials meeting the drying quality requirement are finally discharged from a discharge hole at the bottom of the disc type drying mechanism.

In the above drying device, preferably, the rotating motors of the paddle drying mechanism and the disc drying mechanism are both variable frequency stepless speed regulating motors. The variable frequency stepless speed regulating motor can control the drying time of the material in the drying machine and also can control the discharging speed of the drying machine, so that the discharging moisture of the material dried in each drying machine reaches the target requirement.

The utility model discloses a drying device of microelement nutrient has great material continuous drying ability, and drying efficiency is high, is particularly useful for the paste, takes the drying of viscidity material. When wet materials are dried in the paddle drying mechanism, the materials are continuously extruded, sheared and stirred by the hollow paddles, the contact area of heat transfer and mass transfer in the drying process is increased, and the materials are fully contacted with the high-temperature hollow paddles, so that the drying purpose is achieved. The small blocky materials after primary drying are continuously dispersed into small particle materials under the action of the crushing mechanism, the small particle materials enter the disc type drying mechanism, and heat and mass transfer is carried out on a drying disc of the disc type drying mechanism to be continuously dried. When the dried material enters the cooling plate, the cooling plate cools the material to further separate moisture, and the material can directly enter a packaging process subsequently to avoid high-temperature packaging.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a drying device of microelement nutrient passes through paddle drying mechanism, the joint use of disk drying mechanism, has energy-concerving and environment-protective, and drying capacity is strong, and energy utilization is rateed highly, the advantage of energy consumption with low costs, especially is fit for the paste, takes the drying of viscidity, odorous material, enables the material and obtains abundant dispersion, does benefit to and improves drying efficiency.

2. The utility model discloses a drying device of microelement nutrient gets into the dry mechanism of disc again after the broken ejection of compact of dry mechanism of paddle through adopting broken mechanism, can guarantee to get into the material granularity of the dry mechanism of disc even, is favorable to improving dispersion efficiency, and dispersion is even when guaranteeing the material drying, improves drying effect.

3. The utility model discloses a drying device of microelement nutrient is owing to adopt induced air dust removal mechanism, utilizes induced air dust removal mechanism to carry out preliminary recovery to the material in paddle drying mechanism and the dry exhaust steam of mechanism's exhaust of disc formula, and entire system has the advantage that the rate of recovery is high, simultaneously, owing to carried out abundant recovery to hot steam, the dust material smugglies secretly fewly in the exhaust waste gas, and is little to environmental pollution.

4. The utility model discloses a drying device of microelement nutrient has the peculiar smell material when the drying, and the peculiar smell gas that dry evaporation produced is few to the peculiar smell gas is easily organized and is collected, is convenient for concentrate and carries out tail gas treatment.

5. The utility model discloses a paddle drying mechanism among microelement nutrient's drying device possesses huge heat transfer surface, has shortened processing time, and the equipment size diminishes, has greatly reduced building area and building space, and investment cost is lower.

Drawings

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

Fig. 1 is a schematic structural view of a drying device for trace element nutrients according to the present invention.

Illustration of the drawings:

1. a dust remover; 2. a paddle drying mechanism; 3. a crushing mechanism; 31. a crushing section; 32. a screen section; 4. a heat exchanger; 5. A disc drying mechanism; 51. a perforated screen; 52. drying the disc; 53. a cooling pan; 6. an air duct; 7. an induced draft fan; 8. a hollow main shaft; 9. a wedge-shaped hollow blade; 10. a primary filter.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by an existing method.

Example (b):

as shown in fig. 1, the drying device for micronutrients according to this embodiment includes a paddle drying mechanism 2, a crushing mechanism 3, a disc drying mechanism 5, and an induced air dust removal mechanism, wherein a discharge port of the paddle drying mechanism 2 is connected to a feed port of the disc drying mechanism 5 through the crushing mechanism 3, and an inlet of the induced air dust removal mechanism is connected to the paddle drying mechanism 2.

In this embodiment, induced air dust removal mechanism includes dust remover 1 and draught fan 7 along the gas flow direction in proper order, and dust remover 1 links to each other with paddle drying mechanism 2, and the entrance point of draught fan 7 links to each other with dust remover 1.

In this embodiment, the inner cavity of the disc drying mechanism 5 is communicated with the inner cavity of the paddle drying mechanism 2 through an air pipe 6.

In this embodiment, the paddle drying mechanism 2 includes a hollow main shaft 8 and a plurality of wedge-shaped hollow paddles 9 disposed on the hollow main shaft 8, and the hollow main shaft 8 is connected with a heat transfer medium inlet pipe and a heat transfer medium return pipe. The shell of the paddle drying mechanism 2 can be W-shaped, and two to four hollow main shafts 8 can be arranged in the shell generally.

In this embodiment, paddle drying mechanism 2's discharge gate is equipped with the baffle in order to guarantee the height of dry material.

In this embodiment, the crushing mechanism 3 includes a crushing portion 31 and a screen portion 32 for blocking and further crushing uncrushed large-particle materials, and the screen portion 32 is disposed at the bottom of the crushing portion 31.

In this embodiment, a heat exchanger 4 is disposed on a side surface of the disc drying mechanism 5, and a primary filter 10 is disposed at an inlet end of the heat exchanger 4.

In this embodiment, a sieve plate 51, a drying tray 52, and a cooling tray 53 are provided in the tray drying mechanism 5, the sieve plate 51 is provided at the top of the tray drying mechanism 5, the cooling tray 53 is provided at the bottom of the tray drying mechanism 5, the drying tray 52 is provided with multiple layers, and the drying tray 52 is provided between the sieve plate 51 and the cooling tray 53. Cooling water may be introduced into the disks of the cooling plate 53 to lower the discharge temperature.

In this embodiment, the rotating motors of the paddle drying mechanism 2 and the disc drying mechanism 5 both adopt variable-frequency stepless speed regulating motors, which is convenient for controlling the material drying time.

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 drying device for the trace element nutrients is characterized by comprising a blade drying mechanism (2), a crushing mechanism (3), a disc type drying mechanism (5) and an induced air dust removal mechanism, wherein a discharge port of the blade drying mechanism (2) is connected with a feeding port of the disc type drying mechanism (5) through the crushing mechanism (3), and an inlet of the induced air dust removal mechanism is connected with the blade drying mechanism (2).

2. The drying device according to claim 1, wherein the induced air dust removal mechanism comprises a dust remover (1) and an induced draft fan (7) in sequence along the gas flow direction, the dust remover (1) is connected with the blade drying mechanism (2), and the inlet end of the induced draft fan (7) is connected with the dust remover (1).

3. Drying device according to claim 1, characterised in that the inner chamber of the disc drying means (5) communicates with the inner chamber of the paddle drying means (2) via an air duct (6).

4. Drying apparatus according to any of claims 1-3, characterised in that the paddle drying mechanism (2) comprises a hollow main shaft (8) and a number of wedge-shaped hollow paddles (9) arranged on the hollow main shaft (8), to which hollow main shaft (8) a heat transfer medium inlet pipe and a heat transfer medium return pipe are connected.

5. Drying device according to any of claims 1-3, characterized in that the outlet of the paddle drying means (2) is provided with a baffle.

6. A drying apparatus according to any one of claims 1-3, characterised in that the crushing means (3) comprises a crushing section (31) and a screen section (32) for obstructing and further crushing uncrushed large particle material, which screen section (32) is provided at the bottom of the crushing section (31).

7. Drying apparatus according to any of claims 1-3, characterised in that the side of the tray drying means (5) is provided with a heat exchanger (4), and that the inlet end of the heat exchanger (4) is provided with a primary filter (10).

8. Drying arrangement according to any of claims 1-3, characterized in that a perforated plate (51), a drying tray (52) and a cooling tray (53) are arranged in the tray drying means (5), the perforated plate (51) being arranged at the top of the tray drying means (5), the cooling tray (53) being arranged at the bottom of the tray drying means (5), the drying tray (52) being provided with a plurality of layers, the drying tray (52) being arranged between the perforated plate (51) and the cooling tray (53).

9. Drying device according to any of claims 1-3, characterized in that the rotating motors of the paddle drying mechanism (2) and the disc drying mechanism (5) are variable frequency stepless speed regulating motors.