CN210980543U

CN210980543U - Sodium percarbonate drying device

Info

Publication number: CN210980543U
Application number: CN201922137028.0U
Authority: CN
Inventors: 汤广斌; 刘旭; 王恩伟; 赵梦溪; 郑强; 李保华
Original assignee: Henan Junhua Development Co ltd
Current assignee: Henan Junhua Development Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-10
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a sodium percarbonate drying device, includes vibrating feeder, drying box, cooling box, vibrating feeder's export is connected with the feed inlet of drying box, the discharge gate of drying box is connected with the feed inlet of cooling box, inside microwave drying device that is provided with of drying box, drying box outside is provided with microwave source and controlling means, microwave drying device is connected with the microwave source, controlling means is connected with the microwave source, inside all being provided with temperature sensor of drying box and cooling box, temperature sensor is connected with controlling means. The utility model discloses compare with traditional drying method, have that drying rate is big, energy-conservation, production efficiency is high, the drying is even, easily realize automated control and improve advantages such as product quality, but accurate control drying temperature to realize low temperature drying, sodium percarbonate active ingredient is difficult to be decomposed, destroyed.

Description

Sodium percarbonate drying device

Technical Field

The utility model relates to a sodium percarbonate production field, in particular to sodium percarbonate drying device.

Background

The sodium percarbonate is a novel oxygen bleaching agent, integrates washing, bleaching and sterilization, is nontoxic and tasteless, has mild bleaching performance and no environmental pollution; in addition, it can be used as oxygen supply source, food preservative, oxidant, metal surface treating agent, etc. However, sodium percarbonate is easily decomposed at high temperature, and the drying temperature greatly affects the active oxygen content of sodium percarbonate products, so the control of the drying temperature is one of the key factors influencing the quality of the sodium percarbonate products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sodium percarbonate drying device.

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

the utility model provides a sodium percarbonate drying device, includes vibrating feeder, drying box, cooling box, vibrating feeder's export and drying box are connected, drying box and cooling box internal connection, the inside microwave drying device that is provided with of drying box, the drying box outside is provided with the microwave source, microwave drying device is connected with the microwave source, one side of microwave source is provided with controlling means, controlling means is connected with the microwave source, the inside temperature sensor that is provided with of drying box and cooling box, controlling means and temperature sensor are connected.

Preferably, the inside bottom of drying cabinet is provided with the nozzle, the drying cabinet outside is provided with first air-supply line, the nozzle is connected with first air-supply line, the access connection of first air-supply line preheats the heat exchanger, it is connected with first electric valve to preheat the heat exchanger, first electric valve is connected with the air-blower, the air-blower still is connected with second electric valve, second electric valve is connected with the second air-supply line, the second air-supply line is connected with the cooler bin, temperature sensor connection controlling means, controlling means is connected with air-blower, first electric valve and second electric valve.

Preferably, a first tail gas pipeline is connected to one side of the drying box body, a second tail gas pipeline is connected to one side of the cooling box body, the first tail gas pipeline is connected with the second tail gas pipeline, the tail portion of the second tail gas pipeline is connected with the bag-type dust remover, and an outlet of the bag-type dust remover is connected with a chimney.

Preferably, the surface mounting of drying box and cooling box has observation window, the lower surface mounting of drying box observation window has the microwave inhibitor, the upper surface mounting of the observation window of drying box has microwave leakage detector.

The utility model has the advantages that:

1. the temperature sensor transmits a temperature signal to the control device, the control device controls the microwave source, and the microwave source controls the microwave drying device, so that the automatic temperature adjustment is realized, the drying temperature is accurately controlled, and the high recovery rate and the high stability of the product are ensured.

2. The drying box body blows hot air through the bottom nozzle, so that the materials are in a critical fluidization state, the defect that the powder materials are high due to collision and abrasion among particles is reduced, and the phenomenon of particle agglomeration caused by the fact that too large materials exceed the capability born by drying can be avoided.

3. The front surfaces of the drying box body and the cooling box body are provided with observation windows, so that the condition in the box body can be observed, the arrangement of the microwave suppressor can absorb microwaves around the windows, and the microwaves in the gap between the detection window of the microwave leakage detector arranged outside the observation windows and the box body can be effectively prevented from hurting a human body.

4. The preheating heat exchanger can preheat the interior of the drying box body, the power of the microwave source is reduced, and the energy consumption is further reduced.

5. The production process is simple, the automation degree is high, the processing capacity is high, the efficiency is high, the energy consumption is low, and the production cost is saved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, a sodium percarbonate drying device comprises a vibrating feeder 1, a drying box body 5 and a cooling box body 7, wherein the vibrating feeder 1 is a variable-frequency speed-adjustable vibrating feeder and can control the speed and the quantity of materials, an outlet of the vibrating feeder 1 is connected with an inlet of the drying box body 5, an outlet of the drying box body 5 is connected with an inlet of the cooling box body 7, and normal fluidization of sodium percarbonate materials is guaranteed. The microwave drying device is characterized in that temperature sensors 4 are arranged inside the drying box body 5 and the cooling box body 7, a microwave drying device is arranged in the drying box body 5 and is connected with a microwave source 2 outside the drying box body 5, a control device is arranged on one side of the microwave source 2 and is connected with the microwave source 2, the temperature sensor 4 transmits the detected temperature of the drying box body 5 to the control device, the control device controls the power of the microwave source 2, the microwave source 2 controls the temperature of the microwave drying device, and the temperature of the drying box body 5 is controlled between 40 and 80 ℃, so that automatic control is achieved. The conditions inside the cabinet can be observed through the observation windows 3 on the drying cabinet 5 and the cooling cabinet 7. The microwave suppressor is arranged on the lower surface of the observation window 3 and can absorb microwaves around the window, and the microwave leakage detector is arranged on the upper surface of the observation window 3 and can detect the microwave leakage condition of a window seam.

A nozzle is arranged at the bottom of the inner side of the drying box body 5, the inlet of the nozzle is connected with a first air inlet pipe 12, the inlet of the first air inlet pipe 12 is connected with the outlet of a preheating heat exchanger 13, the inlet of the preheating heat exchanger 13 is connected with a first electric valve 14, and the first electric valve 14 is connected with the outlet of an air blower 16; the outlet of the blower 16 is also connected with a second electric valve 15 through a pipeline, the second electric valve 15 is connected with a second air inlet pipe 11, and the outlet of the second air inlet pipe 11 is connected to the cooling box body 7. The blower 16 and the first and second

electric valves

14 and 15 are connected to a control device, and the detected temperatures in the drying cabinet 5 and the cooling cabinet 7 are transmitted to the control device through temperature sensors, and the control device controls the power of the blower 16 and the opening degrees of the first and second electric valves, so that the temperatures in the drying cabinet and the cooling cabinet reach a set value of 30 degrees.

Connect first tail gas pipeline 6 and second tail gas pipeline 8 on drying box 5 and the cooling box 7 respectively, the connection sack cleaner 9 of the afterbody of first tail gas pipeline 6 and second tail gas pipeline 8, the connection chimney 10 of the afterbody of sack cleaner 9, the tail gas that produces in drying and cooling process removes dust in discharging sack cleaner 9 through first tail gas pipeline 6 and second tail gas pipeline 8, reaches qualified back and discharges through chimney 10.

The utility model discloses the box can be following size:

drying the box body: the length is 6m and the width is 1.5 m; cooling the box body: the length is 3m and the width is 1.5 m.

The utility model discloses a theory of operation: the sodium percarbonate material is added into a storage bin of a variable-frequency speed-adjusting vibrating feeder 1 and then enters a drying box body 5, a blower 16 is started firstly, two air flows are blown out by the blower 16 at the moment, one air flow is used for preheating the drying box body 5 and carrying out fluidized drying on the sodium percarbonate, then a control device is started to control a microwave source 2, and the microwave source 2 controls the microwave drying device to carry out microwave temperature rise drying on the sodium percarbonate material in the drying box body 5 to reach a temperature set value. The other stream of cold air blown by the blower 16 is blown into the second air inlet pipe 11 through the second electric valve 15 and then is sent into the cooling box 7, so that the sodium percarbonate fluidized from the drying box 5 is cooled to a temperature set value, and finally the sodium percarbonate is discharged into a corresponding container from the tail part of the cooling box 7.

Claims

1. A sodium percarbonate drying device, its characterized in that: including vibrating feeder, drying box, cooling box, vibrating feeder's export is connected with the feed inlet of drying box, the discharge gate of drying box is connected with the feed inlet of cooling box, the inside microwave drying device that is provided with of drying box, the drying box outside is provided with microwave source and controlling means, microwave drying device is connected with the microwave source, controlling means is connected with the microwave source, drying box and the inside temperature sensor that all is provided with of cooling box, temperature sensor is connected with controlling means.

2. Sodium percarbonate drying devices according to claim 1, characterized in that: the utility model discloses a drying cabinet, including drying cabinet, air-blower, first electric valve, second electric valve, heat exchanger, drying cabinet, the inside bottom of drying cabinet is provided with the nozzle, the exit linkage of the first air-supply line that nozzle and drying cabinet outside set up, the access connection of first air-supply line preheats the heat exchanger, it connects through first electric valve to preheat the heat exchanger, the air-blower still is connected with the second air-supply line, the export of second air-supply line and the air intake connection of cooling cabinet, air-blower, first electric valve.

3. Sodium percarbonate drying devices according to claim 2, characterized in that: the drying box is characterized in that a drying box gas outlet is formed in the top of the drying box, the drying box gas outlet is connected with a first tail gas pipeline, a cooling box gas outlet is formed in the top of the cooling box and is connected with a second tail gas pipeline, the tail portions of the first tail gas pipeline and the second tail gas pipeline are connected with a bag-type dust remover, and an outlet of the bag-type dust remover is connected with a chimney.

4. Sodium percarbonate drying devices according to claim 3, characterized in that: the microwave leakage detection device is characterized in that observation windows are arranged on the surfaces of the drying box body and the cooling box body, a microwave suppressor is arranged below the observation window of the drying box body, and a microwave leakage detector is arranged above the observation window of the drying box body.