Material level meter for powder storage equipment

Abstract

The utility model relates to the field of level gauges, in particular to a level gauge for powder storage equipment, which comprises the storage equipment, a feeding pipe is fixedly mounted on the upper portion of the left side of the storage equipment, a first infrared sensor is arranged at the joint of the feeding pipe and the storage equipment, and a first electric valve is fixedly mounted on the left portion of the feeding pipe. A discharging pipe is fixedly installed in the middle of the lower end of the storage device, a second infrared sensor is arranged at the joint of the discharging pipe and the storage device, and a second electric valve is fixedly installed on the lower portion of the discharging pipe. When the storage device is used, the storage device is integrally sealed, the radiation quantity of the material stored in the storage device is integrally measured by the external level gage, and the radiation quantity in unit time is calculated, so that the volume of the consumed material is calculated, and the level height of the material is calculated; therefore, the measurement error of a traditional passive nucleon level gauge caused by flying dust generated when dust materials are loaded and unloaded in storage equipment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of material level meter especially relates to a material level meter for powder storage equipment. BACKGROUND

[0002] With the continuous development of nuclear technology, passive nuclear material level meter plays an increasingly important role in today's industrial field. In nuclear reactions, electrons can produce radiation, and passive nuclear material level meter can detect these radiations. It can detect ionizing radiation pollution in the air, thereby improving the health of the public.

[0003] Passive nuclear material level meter can measure the radiation intensity of electrons, neutrons and y-rays to determine the radiation concentration in a certain space. It is a sensitive sensor used to monitor radiation pollution in the environment, and its principle is based on the electrons and photons produced by ionizing radiation. However, when the passive nuclear material level meter is used to measure the powder material stored in the storage equipment, the dust material will be raised during loading and unloading, which will affect the material level meter and cause measurement errors. SUMMARY

[0004] The skilled person in the art provides a material level meter for powder storage equipment to solve the problems raised in the background.

[0005] To solve the above technical problems, the utility model provides a material level meter for powder storage equipment, which comprises a storage equipment, a plurality of rack grooves are formed in the ring side end face of the storage equipment, a fixing frame is arranged on the outside of the storage equipment, the fixing frame is arranged corresponding to the rack grooves, so that the storage equipment is erected on the fixing frame, a feeding pipe is fixedly installed on the left side upper part of the storage equipment, a first infrared sensor is arranged at the connection between the feeding pipe and the storage equipment, the first infrared sensor can detect the material entering the storage equipment and emit a signal to the material level meter, a first electric valve is fixedly installed on the left part of the feeding pipe, the first electric valve is used for opening and closing the material during the feeding process of the feeding pipe, a discharging pipe is fixedly installed on the lower middle part of the storage equipment, a second infrared sensor is arranged at the connection between the discharging pipe and the storage equipment, the second infrared sensor can detect the material discharged from the storage equipment and emit a signal to the material level meter, a second electric valve is fixedly installed on the lower part of the discharging pipe, the second electric valve is used for opening and closing the material during the discharging process of the discharging pipe.

[0006] A window is formed in the right middle part of the storage equipment, an arc-shaped seat plate is fixedly installed on the window of the storage equipment, the window structure is used to absorb radiation waves and avoid the blockage of the radiation waves by the metal shell, a rack steel is fixedly installed on the right end face lower part of the arc-shaped seat plate, a material level meter is arranged on the upper end of the rack steel, a threaded groove is formed in the right middle part of the material level meter, and a control group is arranged on the right end of the material level meter.

[0007] The control group comprises a control box, a fixing screw, a control panel, a data processing module, a first timing switch, a second timing switch and a wireless module, a fixing screw is arranged in the middle of the left end face of the control box, the fixing screw is arranged in correspondence with a threaded groove of the material level meter, so that the control box is fixed to the right end of the material level meter, a hollow inner cavity is formed in the middle of the control box, and a control panel is fixedly arranged in the control box, and the control panel is provided with a data processing module, a first timing switch, a second timing switch and a wireless module.

[0008] In a preferred embodiment: a shielding plate is arranged in the middle of the feeding pipe and rotates, and the shielding plate is used to isolate the material not entering the storage device from being monitored by the material level meter.

[0009] In a preferred embodiment: the material level meter is bound on the rack by a binding hoop, and a sodium iodide crystal is arranged in the material level meter and used to absorb the radiation light of the material, and the light emitted by the sodium iodide crystal is converted into an electric signal by a photomultiplier tube, and the electric signal is enhanced in multiple stages, and the radiation intensity is identified, so that the radiation amount of the material in the storage device is detected.

[0010] In a preferred embodiment: the first timing switch is arranged in correspondence with the first infrared sensor, and the second timing switch is arranged in correspondence with the second infrared sensor.

[0011] In a preferred embodiment: the data processing module can record and process the radiation amount of the material recorded by the material level meter and the time of material consumption.

[0012] In a preferred embodiment: the wireless module is used for wireless transmission of the material in-out signal of the first infrared sensor and the second infrared sensor.

[0013] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0014] When the utility model is used, the storage device is integrally sealed, the radiation amount of the material stored in the storage device is integrally measured by the external material level meter, the radiation amount per unit time is calculated, the volume of the consumed material is calculated, the height of the material is calculated, and the measurement error of the traditional passive nuclear material level meter caused by dust generated during loading and unloading of the material in the storage device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the structural schematic view provided by the application;

[0016] Fig. 2 is the cross-sectional view of the storage device provided by the application;

[0017] Fig. 3 is the structural schematic view of the control group provided by the application;

[0018] Fig. 1, storage device; 2, rack slot; 3, fixed frame; 4, feeding pipe; 5, first infrared sensor; 6, shielding plate; 7, first electric valve; 8, discharging pipe; 9, second infrared sensor; 10, second electric valve; 11, arc-shaped seat plate; 12, rack steel; 13, binding hoop; 14, level gauge; 15, control group;

[0019] 151, control box; 152, fixing screw; 153, control board; 154, data processing module; 155, first timing switch; 156, second timing switch; 157, wireless module. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be interpreted broadly, for example, "connected" can be wall-mounted connection, can be detachable connection, or can be integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through an intermediate medium, or can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figs. 1-3In the embodiment, a material level meter for powder storage equipment is provided, which comprises a storage equipment 1, a plurality of rack grooves 2 are formed in the ring side end surface of the storage equipment 1, a fixed rack 3 is arranged on the outer side of the storage equipment 1, the fixed rack 3 is arranged correspondingly to the rack groove 2, so that the storage equipment 1 is erected on the fixed rack 3, a feeding pipe 4 is fixedly installed on the left upper part of the storage equipment 1, a first infrared sensor 5 is arranged at the connection between the feeding pipe 4 and the storage equipment 1, the first infrared sensor 5 can detect that the material enters the storage equipment 1 and emits a signal to the material level meter 14, a shielding plate 6 is rotatably arranged in the middle of the feeding pipe 4, the shielding plate 6 is used to isolate the material not entering the storage equipment 1 from being monitored by the material level meter 14, a first electric valve 7 is fixedly installed on the left part of the feeding pipe 4, the first electric valve 7 is used for opening and closing the material in the feeding process of the feeding pipe 4, a discharging pipe 8 is fixedly installed on the lower middle part of the storage equipment 1, a second infrared sensor 9 is arranged at the connection between the discharging pipe 8 and the storage equipment 1, the second infrared sensor 9 can detect that the material is discharged from the storage equipment 1 and emits a signal to the material level meter 14, a second electric valve 10 is fixedly installed on the lower part of the discharging pipe 8, the second electric valve 10 is used for opening and closing the material in the discharging process of the discharging pipe 8;

[0024] A window is formed in the right middle part of the storage equipment 1, an arc-shaped seat plate 11 is fixedly installed in the window of the storage equipment 1, the window structure is used to absorb radiation waves, and the metal shell is avoided to block the radiation waves, a rack steel 12 is fixedly installed on the right end surface of the lower part of the arc-shaped seat plate 11, a material level meter 14 is arranged on the upper end of the rack steel 12, the material level meter 14 is bound on the rack steel 12 by a binding hoop 13, a sodium iodide crystal is arranged in the material level meter 14, which is used to absorb the radiation light of the material, and the light emitted by the sodium iodide crystal is converted into an electric signal by a photomultiplier tube, and the electric signal is enhanced by multiple stages, the radiation intensity is identified, so as to detect the radiation amount of the material in the storage equipment 1, a threaded groove is formed in the right middle part of the material level meter 14, and a control group 15 is arranged on the right end of the material level meter 14;

[0025] The control group 15 comprises a control box 151, a fixing screw 152, a control panel 153, a data processing module 154, a first timing switch 155, a second timing switch 156 and a wireless module 157, the middle part of the left end face of the control box 151 is provided with the fixing screw 152, the fixing screw 152 is correspondingly arranged with the threaded groove of the material level meter 14, so that the control box 151 is fixed at the right end of the material level meter 14, the middle part of the control box 151 is provided with a hollow inner cavity, the control panel 153 is fixedly arranged in the control box 151, the control panel 153 is provided with the data processing module 154, the first timing switch 155, the second timing switch 156 and the wireless module 157, the first timing switch 155 is correspondingly arranged with the first infrared sensor 5, the second timing switch 156 is correspondingly arranged with the second infrared sensor 9, the data processing module 154 can record and process the material radiation recorded by the material level meter 14 and the time of material consumption, and the wireless module 157 is used for wireless transmission of the material in-out signals of the first infrared sensor 5 and the second infrared sensor 9.

[0026] The working principle of the utility model is:

[0027] The utility model discloses a first electric valve 7 is opened, and the powder material is fed to storage equipment 1 through feed pipe 4, when material is close to the connecting end of feed pipe 4 and storage equipment 1, the material feeding of first infrared sensor 5 is detected, and the signal is sent to material level meter 14, and the radiation of the material in storage equipment 1 is detected and recorded using material level meter 14, and the time of filling storage equipment 1 is recorded simultaneously, and first electric valve 7 is closed to stop feeding storage equipment 1, and the radiation of the material filled in storage equipment 1 is detected through material level meter 14, that is, the radiation of the material filled in storage equipment 1 is subtracted from the radiation of the material in storage equipment 1, and the radiation of the added material is obtained, thereby avoiding the influence of dust material on the detection accuracy of material level meter 14 during the filling process of the material, and the radiation of the added material and the volume of storage equipment 1 are calculated, and the radiation ratio of the material filling storage equipment 1 is obtained, when the dust material in storage equipment 1 is consumed, second electric valve 10 is opened, and the second infrared sensor 9 detects the discharging of the dust material, and the signal is sent to material level meter 14, and the radiation of the material in storage equipment 1 is detected and recorded using material level meter 14, and second timing switch 156 is started simultaneously, after the discharging of the material is completed, second electric valve 10 is closed to stop the discharging of storage equipment 1, and the radiation of the discharged material in storage equipment 1 is detected through material level meter 14, that is, the radiation of the material in storage equipment 1 is subtracted from the radiation of the discharged material in storage equipment 1, and the radiation of the consumed material is obtained, thereby the radiation of the consumed material and the radiation ratio of the material filling storage equipment 1 are calculated, and the volume of the consumed material is obtained, and the volume of storage equipment 1 is calculated, and the height of the consumed material in storage equipment 1 is obtained, and the recording time of first timing switch 155 of the material filling storage equipment 1 and the recording time of second timing switch 156 of the consumed material are combined, and the height of the material is calculated, and the influence of dust material on the detection accuracy of material level meter 14 during the discharging process of the material is avoided.

[0028] The above is only the preferred embodiment of the utility model, but the design concept of the utility model does not limit to this, and any skilled person in the art utilizes the concept to make non-essential changes to the utility model within the technical range disclosed by the utility model, and all the changes belong to the act of infringing the protection range of the utility model.

Claims

1. A level gauge for a powder storage device, comprising a storage device (1), characterized in that, The storage device (1) has several rack slots (2) on its ring side end face. A fixed frame (3) is provided on the outside of the storage device (1). The fixed frame (3) is arranged in correspondence with the rack slots (2) so that the storage device (1) is mounted on the fixed frame (3). A feed pipe (4) is fixedly installed on the upper left side of the storage device (1). A first infrared sensor (5) is provided at the connection between the feed pipe (4) and the storage device (1). A first electric valve (7) is fixedly installed on the left side of the feed pipe (4). A discharge pipe (8) is fixedly installed in the middle of the lower end of the storage device (1). A second infrared sensor (9) is provided at the connection between the discharge pipe (8) and the storage device (1). A second electric valve (10) is fixedly installed at the lower part of the discharge pipe (8). The storage device (1) has a window in the middle of the right end. An arc-shaped base plate (11) is fixedly installed in the window of the storage device (1). A frame steel (12) is fixedly installed on the lower part of the right end face of the arc-shaped base plate (11). A level gauge (14) is provided on the upper end of the frame steel (12). A threaded groove is provided in the middle of the right end of the level gauge (14). A control group (15) is provided on the right end of the level gauge (14). The control group (15) includes a control box (151), a fixing screw (152), a control board (153), a data processing module (154), a first timing switch (155), a second timing switch (156), and a wireless module (157). The fixing screw (152) is installed in the middle of the left end face of the control box (151). The fixing screw (152) is corresponding to the thread groove of the level gauge (14). A hollow inner cavity is opened in the middle of the control box (151). The control board (153) is fixedly installed in the control box (151). The data processing module (154), the first timing switch (155), the second timing switch (156), and the wireless module (157) are provided on the control board (153).

2. The level gauge for a powder storage device according to claim 1, characterized in that, A shielding plate (6) is rotatably installed in the middle of the feed pipe (4).

3. The level gauge for a powder storage device according to claim 1, characterized in that, The level gauge (14) is bound to the frame steel (12) by a tie (13), and a sodium iodide crystal and a photomultiplier tube are installed inside the level gauge (14).

4. The level gauge for a powder storage device according to claim 1, characterized in that, The first timing switch (155) is set to correspond with the first infrared sensor (5), and the second timing switch (156) is set to correspond with the second infrared sensor (9).

5. A level gauge for a powder storage device according to claim 1, characterized in that, The data processing module (154) can record and process the material radiation amount and material consumption time recorded by the level gauge (14).

6. A level gauge for a powder storage device according to claim 1, characterized in that, The wireless module (157) is used for the wireless transmission of material entry and exit signals from the first infrared sensor (5) and the second infrared sensor (9).

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