CN219515156U - Milk powder drying tower system - Google Patents

Abstract

The utility model provides a milk powder drying tower system, including drying tower mechanism, wiper mechanism and hot-blast mechanism, wiper mechanism includes at least one pump body, at least one washpipe way and flowing back valve, the pump body corresponds with washpipe way and is connected, all be provided with first control valve on each washpipe way, first control valve is used for controlling washpipe way and opens and close, be provided with at least one washing shower nozzle on the washpipe way, the flowing back valve is used for discharging washpipe way and the liquid in the drying tower mechanism, hot-blast mechanism includes hot-blast source and at least one air-out pipeline, the output and the air-out pipeline of hot-blast source are connected, be provided with the second control valve on the air-out pipeline, the air-out pipeline is connected with washpipe way one-to-one, under the stoving mode, each washpipe nozzle is all opened, the second control valve is opened, hot-blast source exports hot-blast to the air-out pipeline. The technical scheme of the present disclosure can avoid microorganism propagation, eliminate hidden danger of milk powder quality, and ensure qualified products.

Description

Milk powder drying tower system

Technical Field

The disclosure relates to the technical field of milk powder production equipment, in particular to a milk powder drying tower system.

Background

At present, in the milk powder production process, accumulated water easily exists in a process pipeline of a milk powder drying tower, microorganisms are bred in the milk powder drying tower under the conditions of poor equipment tightness and long-time accumulated water, and the milk powder easily enters a product when the milk powder drying tower is operated for production, so that produced milk powder is unqualified.

Disclosure of Invention

Embodiments of the present disclosure provide a milk powder drying tower system to solve or alleviate one or more technical problems in the prior art.

As a first aspect of the disclosed embodiments, the disclosed embodiments provide a milk powder drying tower system comprising: drying tower mechanism, wiper mechanism and hot-blast mechanism, wiper mechanism are used for wasing drying tower mechanism, wiper mechanism includes at least one pump body, at least one washpipe and flowing back valve, the pump body with wash the pipe and correspond to be connected, each wash and be provided with first control valve on the pipe, first control valve is used for controlling wash the pipe is opened and close, be provided with at least one washing shower nozzle on the pipe, the washing shower nozzle is located in the drying tower mechanism, the flowing back valve is used for discharging wash the pipe and the liquid in the drying tower mechanism, hot-blast mechanism includes hot-blast source and at least one air-out pipeline, the output of hot-blast source with the air-out pipeline is connected, be provided with the second control valve on the air-out pipeline, the air-out pipeline with wash the pipe one-to-one to be connected, under the stoving mode, first control valve is closed, each wash the shower nozzle all opens, the second control valve is opened, the hot-blast source to the air-out pipeline output.

In some possible implementations, each cleaning pipeline includes a main pipeline and a plurality of branch pipelines, each branch pipeline is arranged in parallel, one end of each branch pipeline is connected with the main pipeline, the other end of each branch pipeline is connected with the drying tower mechanism, an input end of the main pipeline is connected with the pump body, and the cleaning spray head is arranged on the branch pipeline.

In some possible implementations, the first control valve includes a first valve and a second valve, the first valve is disposed on the main pipeline, the second valve is disposed on each branch pipeline, the first valve is used for controlling opening and closing of the main pipeline, and the second valve is used for controlling opening and closing of the branch pipeline.

In some possible implementations, the main conduit extends along the height direction of the drying tower mechanism.

In some possible implementations, the cleaning mechanism further includes a recovery line connected to the output of the drain valve, the recovery line for recovering the cleaning line and the liquid in the drying tower mechanism.

In some possible implementations, the hot air source is a dynamic fluidized bed, and the temperature of the hot air output by the dynamic fluidized bed is 80-100 ℃.

In some possible implementations, the drying tower mechanism includes a drying chamber, a cyclone, and a vibrating bed, the drying chamber top is in communication with the cyclone via a conduit, and the drying chamber bottom is in communication with the vibrating bed via a conduit.

In some possible implementations, the milk powder drying tower system further includes a humidity sensor disposed within the drying tower mechanism and the purge conduit, the humidity sensor configured to detect a humidity of the drying tower mechanism.

In some possible implementations, the milk powder drying tower system further includes a control mechanism in signal connection with the humidity sensor, the control mechanism for controlling the drain valve, the first control valve, and the second control valve.

In some possible implementations, the drain valve and the second control valve are butterfly valves.

The technical scheme of the embodiment of the disclosure can obtain the following beneficial effects: according to the milk powder drying tower system, after the drying tower mechanism is cleaned by the cleaning mechanism, the cleaning pipeline and the cleaning nozzle are internally dried by the hot air mechanism, so that hidden danger of milk powder microorganism is eliminated, and the quality of milk powder is ensured to be qualified.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present disclosure will become apparent by reference to the drawings and the following detailed description.

Drawings

In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not to be considered limiting of its scope.

Fig. 1 is a schematic diagram of a milk powder drying tower system according to an embodiment of the present disclosure.

Reference numerals illustrate:

100. a drying tower mechanism; 200. a cleaning mechanism; 300. a hot air mechanism.

110. A drying chamber; 120. a cyclone separator; 130. a vibrating bed;

210. a pump body; 220. cleaning the pipeline; 230. a liquid discharge valve; 240. a first control valve; 250. cleaning the spray head; 260. a recovery pipeline; 221. a main pipe; 222. a branch pipe; 241. a first valve; 242. a second valve;

310. a hot air source; 320. an air outlet pipeline; 330. and a second control valve.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the related art, in the production of a milk powder drying tower, water is easy to accumulate in the process pipeline due to the fact that water is easy to accumulate in the horizontal and low-lying positions in each layer of process design of the milk powder drying tower, and water is difficult to discharge, so that a moist environment exists in the drying tower for a long time, microorganisms are easy to breed, and under the condition that the sealing performance of equipment is poor, products are easy to immerse in the drying tower during operation production, and therefore the produced products are disqualified. And if 48 hours are required for detecting the total number of microbial colonies of the semi-finished product and reporting, the drying tower is stopped, the production is delayed and the cost is high.

In order to solve the hidden danger of the production quality of the milk powder drying tower in the related art, the embodiment of the disclosure provides a milk powder drying tower system, and the technical scheme of the disclosure is described in detail through the embodiment.

Fig. 1 is a schematic diagram of a milk powder drying tower system according to an embodiment of the present disclosure. As shown in fig. 1, a milk powder drying tower system provided in an embodiment of the present disclosure may include a drying tower mechanism 100, a washing mechanism 200, and a hot air mechanism 300.

Specifically, the cleaning mechanism 200 is used for cleaning the drying tower mechanism 100, and the cleaning mechanism 200 includes at least one pump body 210, at least one cleaning pipe 220, and a drain valve 230. The pump body 210 is correspondingly connected with the cleaning pipelines 220, and each cleaning pipeline 220 is provided with a first control valve 240, and the first control valves 240 are used for controlling the cleaning pipelines 220 to be opened and closed. At least one cleaning nozzle 250 is disposed on the cleaning line 220, the cleaning nozzle 250 being located within the drying tower mechanism 100. The drain valve 230 is used to drain the cleaning piping 220 and the liquid in the drying tower mechanism 100.

The hot air mechanism 300 comprises a hot air source 310 and at least one air outlet pipeline 320, wherein the output end of the hot air source 310 is connected with the air outlet pipeline 320, the air outlet pipeline 320 is provided with a second control valve 330, and the air outlet pipeline 320 is connected with the cleaning pipeline 220 in a one-to-one correspondence manner. In the drying mode, the first control valve 240 is closed, each of the cleaning nozzles 250 is opened, the second control valve 330 is opened, the hot air source 310 outputs hot air to the air outlet duct 320, and the hot air enters the cleaning duct 220, the cleaning nozzle 250, and the drying tower mechanism 100 through the air outlet duct, so that it can be dried.

Illustratively, the milk powder drying tower system has a product processing mode, a cleaning mode, and a drying mode. In the product processing mode, the drying tower mechanism 100 performs milk powder production processing, and the cleaning mechanism and the hot air mechanism are in a closed state. A cleaning operation may be performed once, i.e., into a cleaning mode, for a preset time, e.g., 20 days, during the product processing mode. In the cleaning mode, the cleaning mechanism completes the automatic cleaning of the whole drying tower mechanism, and in the cleaning mode, the hot air mechanism 300 is in a closed state, and the drying tower mechanism 100 stops the processing. After the cleaning is completed, the drying tower mechanism, the cleaning pipeline and the cleaning nozzle can be dried through the hot air mechanism, and at the moment, the pump body of the cleaning mechanism is in a closed state.

According to the milk powder drying tower system, the cleaning mechanism 200 pumps cleaning fluid through the pump body and conveys the cleaning fluid to the cleaning nozzle 250 through the cleaning pipeline 220 to clean the drying tower mechanism 100, after cleaning is completed, the first control valve 240 is closed, the liquid discharge valve 230 is opened to discharge the cleaning fluid of the cleaning pipeline 220, after the cleaning fluid of the drying tower mechanism 100 and the cleaning pipeline 220 is discharged, the liquid discharge valve 230 is closed, all the cleaning nozzles 250 are opened, the second control valve is opened, the hot air mechanism outputs hot air to the air outlet pipeline, the hot air dries the cleaning pipeline and the drying tower mechanism internally, so that microorganism propagation of the drying tower mechanism and the cleaning pipeline can be avoided, hidden danger of product quality is eliminated, quality of milk powder is guaranteed, and qualification rate of milk powder is improved.

The specific type, temperature and concentration of the cleaning liquid in the cleaning mechanism may be set according to the actual use. The number, size and type of cleaning nozzles may be selected based on the actual cleaning piping and the volume of the drying tower mechanism 100.

Illustratively, the cleaning head 250 may be one or more of a stationary type, a rotary type, etc., and the specific configuration of the cleaning head 250 may be adaptively selected according to the cleaning position of the cleaning head. For example, the fixed nozzle may be used to clean the corner portion of the drying tower mechanism, and the rotary nozzle may be used to clean the cleaning pipe. The cleaning spray head can comprise a mounting seat and a spray head, and the spray head is mounted on equipment such as a cleaning pipeline through the mounting seat. The spray head can be detached and replaced. In the drying mode, the cleaning spray head needs to be in a normally open state, so that hot air can be sprayed out of the cleaning spray head, and the cleaning spray head can be dried.

For example, the number of the cleaning pipes 220 is two, the pump body 210 may be a centrifugal pump, the liquid discharge valve 230 and the second control valve 330 are butterfly valves, the two cleaning pipes 220 are respectively provided with butterfly valves to discharge the cleaning liquid, the hot air source 310 is correspondingly provided with two air outlet pipes 320, the two air outlet pipes 320 are respectively butted with the two cleaning pipes 220 through the two butterfly valves, the air outlet pipes 320 may be stainless steel pipes to connect the hot air at the outlet of the hot air source 310 and the two cleaning pipes 220, and specific parameters of the air outlet pipes 320 may be adjusted according to the actual process. The pipe diameters of the drain valve 230 and the second control valve 330 and the diameter of the air outlet pipe may be identical to the cleaning pipe diameter.

Illustratively, the drying tower mechanism 100 includes a drying chamber 110, a cyclone 120, and a vibrating bed 130, the top of the drying chamber 110 being in communication with the cyclone 120 via a conduit, the bottom of the drying chamber 110 being in communication with the vibrating bed 130 via a conduit. The vibrating bed 130 may receive the dried product from the outlet of the drying chamber 110 and may further process the dried product and then collect the processed product at the other end of the vibrating bed 130. The cyclone 120 may receive the gas discharged from the drying chamber 110 via the exhaust duct.

In one embodiment, the hot air source 310 is a dynamic fluidized bed, the temperature of the hot air output by the dynamic fluidized bed is 80-100 ℃, and the hot air temperature is better in the range of drying the cleaning pipeline and the drying tower mechanism. The hot air temperature is, for example, 80 ℃, 90 ℃, 100 ℃, and the hot air temperature can be set according to the actual use requirements, and is not limited herein.

In one embodiment, each cleaning pipe 220 includes a main pipe 221 and a plurality of branch pipes 222, each branch pipe 222 is disposed in parallel, one end of each branch pipe 222 is connected to the main pipe 221, the other end of each branch pipe 222 is connected to the drying tower mechanism 100, an input end of the main pipe 221 is connected to the pump body 210, and the cleaning nozzle 250 is disposed on the branch pipe 222. Illustratively, the main pipe 221 extends along the height direction of the drying tower mechanism 100, and one end of each branch pipe 222 is connected to the main pipe 221, and the other end of the branch pipe 222 extends into the drying tower mechanism 100. The density of each branch 222 may be determined based on the actual cleaning location.

Illustratively, the first control valve 240 includes a first valve 241 and a second valve 242, the first valve 241 is disposed on the main pipe 221, the second valve 242 is disposed on each branch pipe 222, the first valve 241 is used for controlling the opening and closing of the main pipe 221, and the second valve 242 is used for controlling the opening and closing of the branch pipes 222. The first valve 241 can control the cleaning pipeline 220 to be opened and closed as a whole, so that cleaning is controlled, and the second valve 242 on each branch pipeline 222 can control the cleaning branch to be opened and closed, so that different pipelines can be controlled to be cleaned.

In one embodiment, the cleaning mechanism 200 further includes a recovery line 260, the recovery line 260 being connected to the output of the drain valve 230, the recovery line 260 being configured to recover the liquid in the cleaning line and the drying tower mechanism. The input end of the recovery pipeline 260 can receive the cleaning pipeline and the cleaning liquid in the drying tower mechanism through the pipeline, and the output end of the recovery pipeline 260 can be connected with the recovery tank, so that the cleaning liquid can be collected to the recovery tank for further treatment, and the waste can be reduced.

In one embodiment, the milk powder drying tower system further includes a humidity sensor (not shown) disposed within the drying tower mechanism 100 and the cleaning duct 220, the humidity sensor for detecting the humidity of the drying tower mechanism. The number of the humidity sensors may not be plural, the humidity sensors may be disposed at the position where the water accumulated in the drying tower mechanism 100 is easy to remain, and the humidity inside the milk powder drying tower system may be detected by the humidity sensors, so that the drying time of the hot air mechanism 300 may be well controlled, the influence on the subsequent product processing due to insufficient hot air supply time may be avoided, or the waste caused by excessively long hot air supply time may be avoided.

In one embodiment, the milk powder drying tower system further comprises a control mechanism (not shown in the figure), which is in signal connection with the humidity sensor and is used for controlling the liquid discharge valve, the first control valve and the second control valve.

The control mechanism can adopt a PLC controller, can automatically control the opening and closing of each valve, the cleaning spray head and the like through the control mechanism, and can set up monitoring at an operation interface. For example, when hot air drying is required to be executed, the liquid discharge valve is controlled to be opened by the control mechanism, cleaning liquid in the cleaning pipeline and the drying tower mechanism is emptied, then the cleaning spray head is controlled to be opened by the control mechanism, the second control valve is opened, and hot air supplied by the hot air source is dried, so that automatic cleaning and drying can be realized, hidden danger of product quality is solved, product quality is improved, and product qualification rate is guaranteed.

Other configurations of the milk powder drying tower system of the above embodiments may be used in various ways known to those skilled in the art now and in the future, and will not be described in detail herein.

In the description of the present specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present disclosure.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

In this disclosure, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the disclosure. The components and arrangements of specific examples are described above in order to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present disclosure. Furthermore, the present disclosure may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

The above is merely a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the disclosure, which should be covered in the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (10)

1. A milk powder drying tower system, comprising:

a drying tower mechanism;

the cleaning mechanism is used for cleaning the drying tower mechanism and comprises at least one pump body, at least one cleaning pipeline and a liquid discharge valve, wherein the pump body is correspondingly connected with the cleaning pipelines, each cleaning pipeline is provided with a first control valve, the first control valve is used for controlling the opening and closing of the cleaning pipeline, the cleaning pipeline is provided with at least one cleaning spray head, the cleaning spray head is positioned in the drying tower mechanism, and the liquid discharge valve is used for discharging liquid in the cleaning pipeline and the drying tower mechanism;

the hot air mechanism comprises a hot air source and at least one air outlet pipeline, wherein the output end of the hot air source is connected with the air outlet pipeline, a second control valve is arranged on the air outlet pipeline, the air outlet pipeline is connected with the cleaning pipelines in a one-to-one correspondence mode, the first control valve is closed, each cleaning nozzle is opened in a drying mode, the second control valve is opened, and the hot air source outputs hot air to the air outlet pipeline.

2. The milk powder drying tower system according to claim 1, wherein each cleaning pipeline comprises a main pipeline and a plurality of branch pipelines, each branch pipeline is arranged in parallel, one end of each branch pipeline is connected with the main pipeline, the other end of each branch pipeline is connected with the drying tower mechanism, an input end of the main pipeline is connected with the pump body, and the cleaning spray head is arranged on the branch pipeline.

3. The dry milk tower system of claim 2, wherein the first control valve comprises a first valve and a second valve, the first valve is disposed on the main pipeline, the second valve is disposed on each branch pipeline, the first valve is used for controlling the opening and closing of the main pipeline, and the second valve is used for controlling the opening and closing of the branch pipeline.

4. The milk powder drying tower system of claim 2, wherein the main conduit extends along a height direction of the drying tower mechanism.

5. The milk powder drying tower system of claim 1, wherein the purge mechanism further comprises a recovery line connected to the output of the drain valve, the recovery line for recovering the purge line and liquid within the drying tower mechanism.

6. The dry milk powder drying tower system of claim 1, wherein the hot air source is a dynamic fluidized bed, and the temperature of the hot air output by the dynamic fluidized bed is 80-100 ℃.

7. The dry powder drying tower system of claim 1, wherein the drying tower mechanism comprises a drying chamber, a cyclone separator and a vibrating bed, wherein the top of the drying chamber is in communication with the cyclone separator via a conduit, and wherein the bottom of the drying chamber is in communication with the vibrating bed via a conduit.

8. The dry milk tower system of claim 1, further comprising a humidity sensor disposed within the dry tower mechanism and the purge conduit, the humidity sensor configured to detect the humidity of the dry tower mechanism.

9. The milk powder drying tower system of claim 8, further comprising a control mechanism in signal communication with the humidity sensor, the control mechanism for controlling the drain valve, the first control valve, and the second control valve.

10. The milk powder drying tower system of claim 1, wherein the drain valve and the second control valve are butterfly valves.