Plug-in flow measurement anti-blocking online purging and back flushing device

Abstract

The utility model relates to the technical field of flow measuring instruments, and discloses a plug-in type flow measuring anti-blocking online purging and back-blowing device which comprises a pipeline assembly, a spraying assembly is arranged on one side of the pipeline assembly, a counting assembly is arranged at the top of the other side of the pipeline assembly, a dirt cleaning assembly is fixedly installed on the other side of the pipeline assembly, and the dirt cleaning assembly is fixedly installed on the other side of the pipeline assembly. The counting assembly comprises two positioning rods, a speed measuring fan blade and a counting sensor are arranged between the two positioning rods, the pipeline assembly comprises a main measuring pipeline, and the speed measuring fan blade is located in the other side of the main measuring pipeline; a counting assembly is arranged, an automatic waste gas measuring pipeline blows a speed measuring fan blade when passing through the counting assembly, a counting sensor counts rotation of the speed measuring fan blade, a built-in control system compares a numerical value with a minimum waste gas flow rate value, namely, the flow meter is blocked, the blocking condition is detected in real time in the measuring process, feedback is made in time when the flow meter is blocked, and therefore the flow meter is prevented from being blocked. Measured values are prevented from deviating from reality.

Description

Technical Field

[0001] The utility model relates to the field of flow measurement instruments, and more specifically to an insertion-type flow measurement anti-blocking online purge and backflush device. Background Art

[0002] The measurement of industrial waste gas flow rate is a requirement for online monitoring by environmental protection departments and is also the basis for collecting pollution discharge fees from polluting enterprises.

[0003] A filter is usually installed inside the flow meter to filter out dust and garbage in the exhaust gas to protect the sensor and measuring mechanism inside the flow meter. However, due to the large amount of dust and garbage in industrial exhaust gas during use, the filter of the flow meter is prone to blockage. When the flow meter is blocked, the measured flow rate deviates from the actual flow rate and cannot meet the requirements of the environmental protection department. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an insertion-type flow measurement anti-blocking online purge and backflush device to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an insertion-type flow measurement anti-blocking online purge and back-blow device, comprising a pipeline component, one side of the pipeline component is provided with a spray component, the top of the other side of the pipeline component is provided with a counting component, and the other side of the pipeline component is fixedly installed with a cleaning component;

[0006] The counting component includes two positioning rods, a speed measuring fan blade and a counting sensor are arranged between the two positioning rods, the pipeline component includes a main measuring pipeline, the speed measuring fan blade is located inside the other side of the main measuring pipeline, and a dust filter is fixedly connected to the inside of one side of the main measuring pipeline.

[0007] As a preferred technical solution of the present application, a first magnetic valve is fixedly installed on the outer side of the top of one side of the main measuring pipeline, an exhaust pipe is fixedly connected to the bottom of the other side of the main measuring pipeline, a second magnetic valve is fixedly installed on the outer side of the exhaust pipe, and a sewage cleaning pipe is fixedly connected to one side of the main measuring pipeline.

[0008] As a preferred technical solution of the present application, a central axis is fixedly connected between the two positioning rods, a bearing is fixedly sleeved on the outer side of the central axis of the positioning rod, the speed measuring fan blades are fixedly connected around the outer side of the positioning rod bearing, the counting sensor is fixedly installed on the side of the positioning rod located on the other side close to the counting sensor, the top of the positioning rod is fixedly connected to a mounting base, and the top of the mounting base is fixedly installed with a display.

[0009] As a preferred technical solution of the present application, the spray assembly includes a water tank, the bottom of the water tank is fixedly connected to a water outlet pipe, and the bottom of the water outlet pipe is fixedly installed with a spray head.

[0010] As a preferred technical solution of the present application, the angle between the cleaning pipe and one side of the main measuring pipe is sixty degrees, the cleaning pipe is located above the dust filter, and the spray assembly is located at the top of the other side of the cleaning pipe.

[0011] As a preferred technical solution of the present application, the counting sensor is located at the center of the inner wall on the other side of the main measuring pipe and the outer diameter of the counting sensor is matched with the inner diameter of the main measuring pipe.

[0012] As a preferred technical solution of the present application, the cleaning component includes a mounting shaft, a mounting box is fixedly connected to the other side of the mounting shaft, a filter plate is fixedly connected to one side of the mounting box of the mounting shaft, a motor is fixedly installed on one side of the mounting box of the mounting shaft, and a rotating fan is fixedly connected to one side of the motor.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a counting component. When the exhaust gas autonomous measurement pipeline passes through the counting component, the speed measuring fan blade will be blown. The counting sensor counts the rotation of the speed measuring fan blade. The built-in control system compares the value with the minimum exhaust gas flow rate value, that is, the flow meter is blocked. The blockage is detected in real time during the measurement process, and feedback is given in time when it is blocked to prevent the measured value from deviating from the actual value.

[0015] 2. The utility model is provided with a cleaning component and a spray component in cooperation with a counting component. When the flow meter is blocked, the cleaning component back-blows to clear the dust filter, and the spray component prevents dust diffusion, thereby promptly solving the flow meter blockage problem and ensuring the accuracy of the flow meter value, which is conducive to the establishment of a green factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is a schematic cross-sectional view of the structure of the spray assembly of the utility model.

[0019] Figure 4 It is a schematic diagram of the counting component structure of the utility model.

[0020] Figure 5 It is a schematic cross-sectional view of the structure of the cleaning component of the utility model.

[0021] The accompanying drawings are marked as follows:

[0022] 1. Pipeline assembly; 101. Main measuring pipeline; 102. First magnetic valve; 103. Exhaust pipe; 104. Second magnetic valve; 105. Cleaning pipe;

[0023] 2. Spray assembly; 201. Water tank; 202. Water outlet pipe; 203. Spray head;

[0024] 3. Counting component; 301. Positioning rod; 302. Counting sensor; 303. Speed ​​measuring fan blade; 304. Mounting base; 305. Display;

[0025] 4. Cleaning assembly; 401. Filter plate; 402. Rotating fan; 403. Motor; 404. Mounting shaft;

[0026] 5. Dust filter. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The insertable flow measurement anti-blocking online purge and back-blow device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0028] Reference Figures 1 to 5 The utility model provides an insertion-type flow measurement anti-blocking online purge and back-blow device, comprising a pipeline component 1, a spray component 2 is provided on one side of the pipeline component 1, a counting component 3 is provided on the top of the other side of the pipeline component 1, and a cleaning component 4 is fixedly installed on the other side of the pipeline component 1;

[0029] The counting component 3 includes two positioning rods 301, and a speed measuring fan blade 303 and a counting sensor 302 are arranged between the two positioning rods 301. The pipeline component 1 includes a main measuring pipeline 101, and the speed measuring fan blade 303 is located inside the other side of the main measuring pipeline 101. A dust filter 5 is fixedly connected to the inside of one side of the main measuring pipeline 101.

[0030] In a preferred embodiment, a first magnetic valve 102 is fixedly installed on the outer side of the top of one side of the main measuring pipe 101, an exhaust pipe 103 is fixedly connected to the bottom of the other side of the main measuring pipe 101, a second magnetic valve 104 is fixedly installed on the outer side of the exhaust pipe 103, and a sewage cleaning pipe 105 is fixedly connected to one side of the main measuring pipe 101; open the first magnetic valve 102 and the second magnetic valve 104, when the exhaust gas enters the top of the main measuring pipe 101, the dust filter 5 is blocked, then close the first magnetic valve 102 and the second magnetic valve 104 and start the motor 403 to reversely blow back in the main measuring pipe 101, and the discharged dust is discharged from the sewage cleaning pipe 105.

[0031] In a preferred embodiment, a central axis is fixedly connected between the two positioning rods 301, a bearing is fixedly sleeved on the outer side of the central axis of the positioning rod 301, a speed measuring fan blade 303 is fixedly connected around the outer side of the bearing of the positioning rod 301, and the counting sensor 302 is fixedly installed on the side of the positioning rod 301 located on the other side close to the counting sensor 302, a mounting base 304 is fixedly connected to the top of the positioning rod 301, and a display 305 is fixedly installed on the top of the mounting base 304.

[0032] In a preferred embodiment, the spray assembly 2 includes a water tank 201, the bottom of the water tank 201 is fixedly connected to a water outlet pipe 202, and the bottom of the water outlet pipe 202 is fixedly installed with a spray head 203; when the dust is discharged from the cleaning pipe 105, the spray assembly 2 is started so that the spray head 203 sprays the inside of the cleaning pipe 105 to prevent the dust from spreading.

[0033] In a preferred embodiment, the angle between the cleaning pipe 105 and one side of the main measuring pipe 101 is sixty degrees, the cleaning pipe 105 is located above the dust filter 5, and the spray assembly 2 is located at the top of the other side of the cleaning pipe 105. The angle between the cleaning pipe 105 and the main measuring pipe 101 is sixty degrees to prevent dust from flowing back and contaminating the inside of the main measuring pipe 101 again.

[0034] In a preferred embodiment, the counting sensor 302 is located at the center of the inner wall on the other side of the main measuring pipe 101 and the outer diameter of the counting sensor 302 is matched with the inner diameter of the main measuring pipe 101; when the exhaust gas passes through the counting component 3, it will blow the speed measuring blade 303, and the counting sensor 302 counts the rotation of the speed measuring blade 303. The count value per unit time will be fed back to the display 305 for display, and the control system will verify the count value per unit time. If the value is lower than the minimum exhaust gas flow rate value, the dust filter 5 is blocked.

[0035] In a preferred embodiment, the cleaning component 4 includes a mounting shaft 404, a mounting box is fixedly connected to the other side of the mounting shaft 404, a filter disc 401 is fixedly connected to one side of the mounting box of the mounting shaft 404, a motor 403 is fixedly installed on one side of the mounting box of the mounting shaft 404, and a rotating fan 402 is fixedly connected to one side of the motor 403; by providing the cleaning component 4 and the spray component 2 in cooperation with the counting component 3, when the flow meter is blocked, the cleaning component 4 is reversely backwashed to clear the dust filter 5, and the dust is prevented from spreading under the action of the spray component 2, so as to solve the flow meter blockage problem in time, ensure the accuracy of the flow meter value, and facilitate the establishment of a green factory.

[0036] The working principle of this utility model:

[0037] When using this device, open the first magnetic valve 102 and the second magnetic valve 104. When the exhaust gas enters the top of the autonomous measuring pipe 101, it is filtered through the dust filter 5. When the exhaust gas passes through the counting component 3, it will blow the speed measuring fan blade 303. The counting sensor 302 counts the rotation of the speed measuring fan blade 303. The count value per unit time will be fed back to the display 305 for display, and the control system will verify the count value per unit time. If the value is lower than the minimum exhaust gas flow rate value, that is, the dust filter 5 is blocked, then close it. Close the first magnetic valve 102 and the second magnetic valve 104 and start the motor 403 to blow back in the main measuring pipe 101. The wind generated by the rotating fan 402 blows the dust filter 5 to clear the blockage, and the dust blocking the dust filter 5 is discharged from the cleaning pipe 105. At the same time, start the spray assembly 2 so that the spray head 203 sprays the inside of the cleaning pipe 105 to prevent dust from spreading. The angle between the cleaning pipe 105 and the main measuring pipe 101 is sixty degrees to prevent dust from flowing back and polluting the inside of the main measuring pipe 101 again.

[0038] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0039] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0040] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An insertion type flow measurement anti-blocking online purge and backflush device, comprising a pipeline assembly (1), characterized in that: A spray assembly (2) is provided on one side of the pipeline assembly (1), a counting assembly (3) is provided on the top of the other side of the pipeline assembly (1), and a cleaning assembly (4) is fixedly installed on the other side of the pipeline assembly (1); The counting assembly (3) comprises two positioning rods (301), a speed measuring blade (303) and a counting sensor (302) are arranged between the two positioning rods (301), the pipeline assembly (1) comprises a main measuring pipeline (101), the speed measuring blade (303) is located inside the other side of the main measuring pipeline (101), and a dust filter (5) is fixedly connected to the inside of one side of the main measuring pipeline (101).

2. According to claim 1, an insertion type flow measurement anti-blocking online purge and backflush device is characterized in that: A first magnetic valve (102) is fixedly installed on the outer side of the top of one side of the main measuring pipeline (101), an exhaust pipe (103) is fixedly connected to the bottom of the other side of the main measuring pipeline (101), a second magnetic valve (104) is fixedly installed on the outer side of the exhaust pipe (103), and a sewage cleaning pipe (105) is fixedly connected to one side of the main measuring pipeline (101).

3. The plug-in flow measurement anti-blocking online purge and backflush device according to claim 2 is characterized in that: A central axis is fixedly connected between the two positioning rods (301), a bearing is fixedly sleeved on the outer side of the central axis of the positioning rod (301), the speed measuring blade (303) is fixedly connected around the outer side of the bearing of the positioning rod (301), the counting sensor (302) is fixedly installed on a side of the positioning rod (301) located on the other side close to the counting sensor (302), the top of the positioning rod (301) is fixedly connected to a mounting base (304), and the top of the mounting base (304) is fixedly installed with a display (305).

4. The plug-in flow measurement anti-blocking online purge and backflush device according to claim 3 is characterized by: The spray assembly (2) comprises a water tank (201), the bottom of the water tank (201) is fixedly connected to a water outlet pipe (202), and the bottom of the water outlet pipe (202) is fixedly installed with a spray head (203).

5. The plug-in flow measurement anti-blocking online purge and backflush device according to claim 2 is characterized in that: The included angle between the cleaning pipe (105) and one side of the main measuring pipe (101) is sixty degrees. The cleaning pipe (105) is located above the dust filter (5), and the spray assembly (2) is located at the top of the other side of the cleaning pipe (105).

6. The plug-in flow measurement anti-blocking online purge and backflush device according to claim 3 is characterized by: The counting sensor (302) is located at the center of the inner wall of the other side of the main measuring pipe (101), and the outer diameter of the counting sensor (302) and the inner diameter of the main measuring pipe (101) are mutually matched.

7. The plug-in flow measurement anti-blocking online purge and backflush device according to claim 1 is characterized in that: The cleaning component (4) comprises a mounting shaft (404), a mounting box being fixedly connected to the other side of the mounting shaft (404), a filter disc (401) being fixedly connected to one side of the mounting box of the mounting shaft (404), a motor (403) being fixedly mounted to one side of the mounting box of the mounting shaft (404), and a rotating fan (402) being fixedly connected to one side of the motor (403).

Images