CN222506077U - Methanol water content detection device - Google Patents

Abstract

The utility model discloses a methanol water content detection device, which comprises a shell and a methanol container, wherein a liquid inlet capillary communicated with the methanol container is connected to the outer wall of one vertical side of the methanol container, a liquid outlet capillary communicated with the methanol container is connected to the upper end of the methanol container, a liquid inlet pipe communicated with the liquid inlet capillary is connected to one end of the liquid inlet capillary, which is far away from the methanol container, a liquid discharge pipe is connected to one end of the liquid outlet capillary, which is far away from the methanol container, and the methanol container is arranged in the shell.

Description

Methanol water content detection device

Technical Field

The utility model relates to the technical field of methanol water detection, in particular to a methanol water content detection device.

Background

In the chemical production process of synthesizing ammonia by using coal as raw material, low-temperature methanol washing is a common purification process, and the process uses recycled methanol to purify and treat raw material gas. In the low-temperature methanol washing production operation process, the water content of the circulating methanol is an important technological index for production process control, and directly influences the purification effect of the raw material gas. It is therefore necessary for an analyst to take a certain amount of methanol at intervals in a low temperature methanol wash system and to analyze the water content of the methanol. The detection operation has certain defects, such as certain toxicity of methanol, certain safety risk due to manual sampling, long analysis time and discontinuous analysis data, and therefore, the utility model provides a methanol water content detection device.

Disclosure of utility model

The utility model aims to provide a methanol water content detection device for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the technical scheme that the methanol water content detection device comprises a shell and a methanol container, wherein a liquid inlet capillary communicated with the methanol container is connected to the outer wall of one vertical side of the methanol container, a liquid outlet capillary communicated with the methanol container is connected to the upper end of the methanol container, a liquid inlet pipe communicated with the liquid inlet capillary is connected to one end of the liquid inlet capillary, which is far away from the methanol container, a liquid discharge pipe is connected to one end of the liquid outlet capillary, which is far away from the methanol container, the methanol container is arranged in the shell, a weight sensor is arranged on the inner wall of the bottom of the shell, the methanol container is arranged on the upper surface of the weight sensor, and a data processing display is electrically connected to the signal output end of the weight sensor.

As a preferable technical scheme of the utility model, the methanol container comprises an upper container and a lower container, wherein the upper container is in an inverted conical structure, the lower container is in a hollow cylindrical structure, and the liquid outlet capillary tube is connected to the top end of the upper container.

As a preferable technical scheme of the utility model, a filter is arranged between the liquid inlet capillary tube and the liquid inlet tube.

As a preferable technical scheme of the utility model, one end of the liquid inlet pipe far away from the liquid inlet capillary pipe is provided with a liquid inlet valve.

As a preferable technical scheme of the utility model, the liquid outlet capillary and the liquid inlet capillary are both in spiral structures.

As a preferable technical scheme of the utility model, the number of the weight sensors is three, and the three weight sensors are respectively positioned at three vertex positions of the equilateral triangle and uniformly distributed on the lower surface of the methanol container.

Compared with the prior art, the utility model has the beneficial effects that:

According to the methanol water content detection device, the methanol container, the liquid inlet capillary, the liquid outlet capillary, the weight sensor and the data processing display are utilized, the water content of the methanol is calculated by measuring the density of the methanol according to the principle that the water content of the methanol corresponds to the density of the methanol, wherein the conical top of the methanol container is connected with the liquid outlet capillary, the side surface of the circular cylinder body is connected with the liquid inlet capillary, the methanol enters the methanol container from the side surface and exits the methanol container from the top, so that the methanol in the methanol container keeps fluidity, and the conical top can keep the methanol container full of the methanol all the time and can not store gas.

The utility model can continuously measure the water content of the system methanol, provide a real-time measurement result for a DCS operation station of a central control room, use production operators to know production data in real time, automatically run after starting without manual maintenance, reduce manual operation, improve the automation level of the device, and avoid harm to human bodies in the methanol exposure environment when in operation, wherein the methanol is in a fully-closed state.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

In the figure, 1, a methanol container, 2, a liquid inlet capillary, 3, a liquid outlet capillary, 4, a liquid inlet pipe, 5, a liquid inlet valve, 6, a filter, 7, a liquid discharge pipe, 8, a weight sensor, 9, a data processing display and 10, and a shell.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, in the embodiment, a methanol water content detecting device is provided, which comprises a housing 10 and a methanol container 1, wherein a liquid inlet capillary 2 communicated with the methanol container 1 is connected to an outer wall of one vertical side of the methanol container 1, a liquid outlet capillary 3 communicated with the methanol container 1 is connected to an upper end of the methanol container 1, a liquid inlet pipe 4 communicated with the methanol container is connected to one end of the liquid inlet capillary 2 far away from the methanol container 1, a liquid discharge pipe 7 is connected to one end of the liquid outlet capillary 3 far away from the methanol container 1, the methanol container 1 is arranged in the housing 10, a weight sensor 8 is arranged on an inner wall of the bottom of the housing 10, the methanol container 1 is arranged on an upper surface of the weight sensor 8, a data processing display 9 is electrically connected to a signal output end of the weight sensor 8, and the methanol container 1, the liquid inlet capillary 2, the liquid outlet capillary 3, the weight sensor 8 and the data processing display 9 are utilized, and the water content of methanol is calculated by measuring the density of the methanol through the principle that the methanol water content corresponds to the methanol content, wherein the conical top of the methanol container is connected to the liquid outlet capillary, the methanol container is connected to the liquid inlet capillary, the methanol container is connected to the methanol container from the side, and the methanol container is always filled with the methanol container from the top, so that the methanol container can keep the methanol container is kept to be full of the liquid, and can always keep the fluidity.

In this embodiment, the methanol container 1 includes an upper container having an inverted conical shape and a lower container having a hollow cylindrical shape, and the liquid outlet capillary 3 is connected to the top end of the upper container.

In this embodiment, a filter 6 is further disposed between the liquid inlet capillary 2 and the liquid inlet tube 4, and the filter 6 is used for filtering solid impurities in methanol, so as to prevent the solid impurities from blocking the capillary and precipitating in the methanol container 1, thereby affecting the measurement accuracy.

In this embodiment, the liquid inlet valve 5 is installed at the end of the liquid inlet pipe 4 far away from the liquid inlet capillary 2, the liquid inlet valve 5 is arranged at the inlet of the measuring device, one end is connected with the filter 6, and the other end is connected with the system sampling pipe for starting and stopping the control device.

In this embodiment, the liquid outlet capillary 3 and the liquid inlet capillary 2 are both in spiral structures, which are thin capillaries and spiral, for reducing the measurement error of the weight sensor 8.

The number of the weight sensors 8 is three, the three weight sensors 8 are respectively positioned at three vertex positions of an equilateral triangle and uniformly distributed on the lower surface of the methanol container 1, the equilateral triangle is arranged and used more stably, and the precision of the measuring device is improved, wherein the weight sensors 8 can be pressure weight sensors with the brand name of magic dragon and the model name of HZC-H1, and the data processing display 9 can be weighing displays with the brand name of Zhongwan Jinno, the model name of XMT808-I or XMT 808-S.

In conclusion, the utility model can continuously measure the water content of the system methanol, provide a real-time measurement result for a DCS operation station of a central control room, use production operators to know production data in real time, automatically operate after starting without manual maintenance, reduce manual operation, improve the automation level of the device, and avoid harm to human bodies in the methanol exposure environment when in operation, wherein the methanol is in a fully-closed state.

It is noted that the whole device is controlled by the total control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior art, and the electrical connection relation and the specific circuit structure are not repeated here.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A methanol water content detection device, characterized in that it comprises a shell (10) and a methanol container (1), wherein a liquid inlet capillary (2) connected to the outer wall of a vertical side of the methanol container (1) is connected to the outer wall, and a liquid outlet capillary (3) connected to the upper end of the methanol container (1) is connected to the liquid inlet pipe (4) connected to the upper end of the methanol container (1), and the end of the liquid inlet capillary (2) away from the methanol container (1) is connected to the liquid inlet pipe (4) connected to the upper end of the methanol container (1), and the end of the liquid outlet capillary (3) away from the methanol container (1) is connected to the drain pipe (7), the methanol container (1) is arranged inside the shell (10), and a weight sensor (8) is arranged on the bottom inner wall of the shell (10), and the methanol container (1) is arranged on the upper surface of the weight sensor (8), and the signal output end of the weight sensor (8) is electrically connected to a data processing display (9). 2. A methanol water content detection device according to claim 1, characterized in that the methanol container (1) includes an upper container and a lower container, the upper container is in the shape of an inverted conical structure, the lower container is a hollow cylindrical structure, and the liquid outlet capillary (3) is connected to the top of the upper container. 3. A methanol water content detection device according to claim 1, characterized in that a filter (6) is also arranged between the liquid inlet capillary (2) and the liquid inlet pipe (4). 4. A methanol water content detection device according to claim 1, characterized in that a liquid inlet valve (5) is installed at one end of the liquid inlet pipe (4) away from the liquid inlet capillary (2). 5. A methanol water content detection device according to claim 1, characterized in that the liquid outlet capillary (3) and the liquid inlet capillary (2) are both spiral structures. 6. A methanol water content detection device according to claim 1, characterized in that the number of the weight sensors (8) is three, and the three weight sensors (8) are respectively located at the three vertices of an equilateral triangle and are evenly distributed on the lower surface of the methanol container (1).