阅读说明：本技术 自动煮糖控制系统的蒸汽流量检测系统 (Steam flow detection system of automatic sugar boiling control system ) 是由 黄振军 杨万明 于 2021-01-13 设计创作，主要内容包括：本发明涉及制糖工艺技术领域,尤其涉及自动煮糖控制系统的蒸汽流量检测系统；包括通过气凝水下排管道连接的煮糖结晶罐和气凝水装置,气凝水下排管道为U型管道,并且在U型管道的直立段上安装电磁流量计,电磁流量计与外部显示器和控制装置连接；本发明在在结晶罐汽鼓出口的汽凝水下排管道上,安装一台电磁流量计来检测汽凝水实时流量。根据现场管道压力条件及30立方的煮糖结晶罐汽凝水排水通量要求,以及电磁流量计的正常检测流速范围,本案选择80mm口径的汽凝水管作为电磁流量计安装管道,电磁流量计将安装在U型结构的上升管段,控制器将根据现场实时工况,通过热力衡算,得到进入煮糖结晶罐汽鼓的加热蒸汽流量。(The invention relates to the technical field of sugar making processes, in particular to a steam flow detection system of an automatic sugar boiling control system; the sugar boiling crystallization tank is connected with the condensed water device through an condensed water lower discharge pipeline, the condensed water lower discharge pipeline is a U-shaped pipeline, an electromagnetic flowmeter is arranged on the vertical section of the U-shaped pipeline, and the electromagnetic flowmeter is connected with an external display and a control device; the invention is characterized in that an electromagnetic flowmeter is arranged on a condensate water drainage pipeline at the outlet of a steam drum of a crystallization tank to detect the real-time flow of condensate water. According to the field pipeline pressure condition, the drainage flux requirement of the condensate water of the sugar boiling crystallization tank of 30 cubic meters and the normal detection flow velocity range of the electromagnetic flowmeter, the condensate water pipe with the caliber of 80mm is selected as an electromagnetic flowmeter installation pipeline, the electromagnetic flowmeter is installed on an ascending pipe section of a U-shaped structure, and the controller obtains the heating steam flow entering the steam drum of the sugar boiling crystallization tank through thermal balance according to the field real-time working condition.)

1. Automatic boil sugar control system's steam flow detecting system, its characterized in that: including boiling sugar crystallizer (2) and the condensate water device of arranging pipeline (1) and connecting under the aerogel, the condensate water arranges pipeline (1) for U type pipeline under to install electromagnetic flowmeter (3) on the section of standing vertically of U type pipeline, electromagnetic flowmeter (3) are connected with outside display and controlling means.

2. The steam flow detection system of an automatic sugar boiling control system according to claim 1, wherein: the electromagnetic flowmeter (3) is arranged on an ascending vertical pipe section of the gas condensate water drainage pipeline (1).

3. The steam flow detection system of an automatic sugar boiling control system according to claim 1, wherein: the caliber of the gas condensation water drainage pipeline (1) is 80 mm.

4. The steam flow detection system of an automatic sugar boiling control system according to claim 1, wherein: the gas condensate device comprises a condensate water collecting tank (4) and a cold water tank (5), one end of the condensate water collecting tank (4) is connected with the water outlet end of a gas condensate water drainage pipeline (1), the other end of the condensate water collecting tank is provided with a water outlet pipe (6), a valve is arranged on the water outlet pipe (6), the condensate water collecting tank (1) is connected with the cold water tank (5) through a gas exhaust pipe (7), one end of the cold water tank (5) is connected with the condensate water collecting tank (4) through a return pipe (11), and the return pipe (11) is provided with the valve.

5. The steam flow detection system of an automatic sugar boiling control system according to claim 4, wherein: the top of the cold water tank (5) is provided with a cold water pipe (8), and the cold water pipe (8) is provided with a valve.

6. The steam flow detection system of an automatic sugar boiling control system according to claim 4, wherein: a condensing plate (9) is arranged at the inlet of the condensed water collecting tank (4), and a vertical launching groove (10) is arranged on the condensing plate (9).

7. The steam flow detection system of an automatic sugar boiling control system according to claim 1, wherein: the outer wall of the air condensation water drainage pipeline (1) is wrapped with a heat insulation cotton layer.

Technical Field

The invention relates to the technical field of separation and extraction, in particular to a steam flow detection system of an automatic sugar boiling control system.

Background

The steam consumed by the sugar boiling section of the cane sugar factory is low-temperature juice steam which has the characteristics of low temperature and low flow rate; because the temperature of the juice steam is low, the caliber of a conveying pipeline is often larger, for example, the diameter of a 30 cubic crystallization tank and a heating steam pipeline of the crystallization tank at least reaches 400mm, and the juice steam is often expensive when being matched with a steam flow detection instrument arranged on the pipeline with the large caliber. In addition, the characteristic of low flow rate of low-temperature juice steam has high requirements on performance indexes such as sensitivity, precision, repeatability and the like of the detection instrument, and the instrument is usually expensive in manufacturing cost. The flow detection instrument for measuring low-flow-rate steam is low in detection lower limit, high in required sensitivity and weak in corresponding anti-interference capability, so that the flow detection instrument is often difficult to stably work in a high-noise severe industrial field environment. To sum up, to the current flow detection instrument who measures sugar factory boiling steam and have the shortcoming that the price is expensive, work is unstable, this case provides a device that monitors the condensate flow of crystallizer, and the small investment, installation convenient to use, measurement are accurate, can measure the steam volume of sugar factory boiling workshop section crystallizer at different boiling sugar stages in real time.

Disclosure of Invention

The invention aims to solve the technical problem that a steam flow detection system of an automatic sugar boiling control system is provided aiming at the defects in the prior art, and the steam consumption of a crystallization tank of a sugar boiling working section of a cane sugar factory at different sugar boiling stages can be measured in real time.

The invention is realized by the following technical scheme:

automatic boil sugar control system's steam flow detecting system, including through the boiling sugar crystallizer and the condensate water device of the row's of pipeline connection under the aerogel, the row's of pipeline is U type pipeline under the aerogel to install electromagnetic flowmeter on the section of standing vertically of U type pipeline, electromagnetic flowmeter is connected with outside display and controlling means.

Further, the electromagnetic flowmeter is arranged on an ascending vertical pipe section of the air condensation water drainage pipeline.

Furthermore, the caliber of the gas condensate water drainage pipeline is 80 mm.

Further, the gas condensate device comprises a condensate water collecting tank and a cold water tank, one end of the condensate water collecting tank is connected with the water outlet end of the gas condensate water drainage pipeline, the other end of the condensate water collecting tank is provided with a water outlet pipe, a valve is arranged on the water outlet pipe, the condensate water collecting tank is connected with the cold water tank through an exhaust pipe, and one end of the cold water tank is connected with the condensate water collecting tank through a return pipe.

Furthermore, a cold water pipe is arranged at the top of the cold water tank, and a valve is arranged on the cold water pipe.

Furthermore, a condensation plate is arranged at the inlet of the condensation water collecting tank, and a vertical drainage groove is formed in the condensation plate.

Further, the outer wall of the lower gas condensation water discharge pipeline is wrapped with a heat insulation cotton layer.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is characterized in that an electromagnetic flowmeter is arranged on a condensate water drainage pipeline at the outlet of a steam drum of a crystallization tank to detect the real-time flow of condensate water. According to the on-site pipeline pressure condition, the drainage flux requirement of the condensate water of the sugar boiling crystallization tank of 30 cubic meters and the normal detection flow speed range of the electromagnetic flowmeter, the condensate water pipe with the diameter of 80mm is selected as an electromagnetic flowmeter installation pipeline, the electromagnetic flowmeter is arranged on an ascending pipe section of a U-shaped structure, and the distance between the electromagnetic flowmeter and the end of the U-shaped elbow pipe is equal to 10 times of the diameter of the pipeline; the field is configured according to the installation, when the steam condensate flows through the electromagnetic flow meter, the steam condensate is full of a detection pipeline of the electromagnetic flow meter and does not form steam bubble interference, the electromagnetic flow meter transmits a real-time steam condensate flow signal to the automatic sugar boiling control system controller, and the controller obtains the heating steam flow entering the steam drum of the sugar boiling crystallization tank through thermal balance according to the field real-time working condition.

2. The prize gas condensate water device comprises a condensate water collecting tank and a cold water tank, wherein steam from the sugar boiling crystallizing tank is used for heating cold water in the condensate water collecting tank through heat exchange, and the residual hot gas is used for heating the cold water in the cold water tank, so that heat energy is fully utilized, and resources are not wasted.

3. Be provided with the condensation plate, can be convenient for steam condensate back enter into the comdenstion water header tank, make things convenient for the comdenstion water to enter into in the comdenstion water header tank.

4. The U-shaped pipeline outer wall is wrapped with the heat preservation cotton layer, so that condensation of steam passing through the U-shaped pipeline is reduced, and accuracy of measuring the passing steam quantity is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a structure of a condenser plate according to the present invention.

In the figure, 1-an air condensation water drainage pipeline, 2-a sugar boiling crystallizing tank, 3-an electromagnetic flow meter, 4-a condensed water collecting tank, 5-a cold water tank, 6-a water outlet pipe, 7-an exhaust pipe, 8-a cold water pipe, 9-a condensing plate, 10-a water drainage groove and 11-a return pipe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures 1-2 are further described below, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily modify the technical scope of the present invention without any creative effort.

Example 1

The steam flow detection system of the automatic sugar boiling control system comprises a sugar boiling crystallizing tank 2 and a condensed water device which are connected through an aerogel underwater discharge pipeline 1, wherein the aerogel underwater discharge pipeline 1 is a U-shaped pipeline, an electromagnetic flowmeter 3 is installed on an upright section of the U-shaped pipeline, the electromagnetic flowmeter 3 is connected with an external display and a control device, the electromagnetic flowmeter 3 is installed on an ascending upright section of the aerogel underwater discharge pipeline 1, and the caliber of the aerogel underwater discharge pipeline 1 is 80 mm. According to the on-site pipeline pressure condition, the drainage flux requirement of the condensate water of the sugar boiling crystallization tank of 30 cubic meters and the normal detection flow speed range of the electromagnetic flowmeter 3, the condensate water pipe with the caliber of 80mm is selected as an electromagnetic flowmeter installation pipeline, the electromagnetic flowmeter is installed on an ascending pipe section of a U-shaped structure, and the distance between the electromagnetic flowmeter and the end of the U-shaped elbow pipe is equal to 10 times of the caliber of the pipeline; the field is configured according to the installation, when the steam condensate flows through the electromagnetic flow meter, the steam condensate is full of a detection pipeline of the electromagnetic flow meter and does not form steam bubble interference, the electromagnetic flow meter transmits a real-time steam condensate flow signal to the automatic sugar boiling control system controller, and the controller obtains the heating steam flow entering the steam drum of the sugar boiling crystallization tank through thermal balance according to the field real-time working condition.

Example 2

On the basis of embodiment 1, the gas condensate device includes a condensate water header tank 4 and a cold water tank 5, one end of the condensate water header tank 4 is connected with the water outlet end of the gas condensate water drainage pipeline 1, the other end of the condensate water header tank is provided with a water outlet pipe 6, the water outlet pipe 6 is provided with a valve, the condensate water header tank 1 is connected with the cold water tank 5 through an exhaust pipe 7, one end of the cold water tank 5 is connected with the condensate water header tank 4 through a backflow pipe 7, the backflow pipe 7 is provided with the valve, the top of the cold water tank 5 is provided with a cold water pipe 8, the cold water pipe 8 is provided with the valve, steam coming out of the sugar boiling crystallization tank 2 is used for heating cold water in the condensate water header tank 4 through heat exchange, and the residual hot air is used for heating.

Example 3

On the basis of embodiment 2, a condensation plate 9 is arranged at the inlet of the condensed water collecting tank 4, and a vertical drainage groove 10 is arranged on the condensation plate 9, so that condensed water can conveniently enter the condensed water collecting tank 4.

Example 4

On the basis of embodiment 1, the cotton layer of heat preservation is provided with in the parcel on the condensate water drainage pipe 1 outer wall, reduces the condensation of steam when passing through in U type pipeline, and the increase measures the accuracy of the vapour volume that passes through.

The invention is characterized in that an electromagnetic flowmeter is arranged on a condensate water drainage pipeline at the outlet of a steam drum of a crystallization tank to detect the real-time flow of condensate water. According to the on-site pipeline pressure condition, the drainage flux requirement of the condensate water of the sugar boiling crystallization tank of 30 cubic meters and the normal detection flow speed range of the electromagnetic flowmeter, the condensate water pipe with the diameter of 80mm is selected as an electromagnetic flowmeter installation pipeline, the electromagnetic flowmeter is arranged on an ascending pipe section of a U-shaped structure, and the distance between the electromagnetic flowmeter and the end of the U-shaped elbow pipe is equal to 10 times of the diameter of the pipeline; the device is installed and configured on site, when steam condensate flows through an electromagnetic flow meter, the steam condensate is filled in a detection pipeline of an electromagnetic flow meter and does not form steam bubble interference, the electromagnetic flow meter transmits a real-time steam condensate flow signal to an automatic sugar boiling control system controller, and the controller obtains the heating steam flow entering a steam drum of a sugar boiling crystallization tank through thermal balance according to the real-time working condition on site; the prize gas condensate device comprises a condensate water collecting tank and a cold water tank, wherein steam from a sugar boiling crystallizing tank is used for heating cold water in the condensate water collecting tank through heat exchange, and the residual hot gas is used for heating the cold water in the cold water tank, so that heat energy is fully utilized, and resources are not wasted; the condensing plate is arranged, so that steam can enter the condensed water collecting tank after being condensed, and condensed water can enter the condensed water collecting tank conveniently; the U-shaped pipeline outer wall is wrapped with the heat preservation cotton layer, so that condensation of steam passing through the U-shaped pipeline is reduced, and accuracy of measuring the passing steam quantity is improved.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.