A boiler corrosion and scaling detection device and method

Abstract

The present invention relates to the technical field of industrial boiler detection equipment, and specifically to a boiler corrosion scaling detection device and method; the device comprises a bracket, a first hydraulic cylinder and a collecting component, wherein the collecting component comprises a connecting plate, a first motor, a first screw rod, a first sleeve, a connecting rod, a scraper, two fixed rods, a collecting frame and two groups of fixing parts, wherein the connecting plate is fixedly connected to the output end of the first hydraulic cylinder, the two fixed rods are fixedly connected to the connecting plate, each group of fixing parts is movably arranged on the corresponding fixed rod, the scraper is rotatably connected to the connecting plate, the first screw rod is rotatably arranged in a limiting groove, the output end of the first motor is connected to the first screw rod, the first sleeve is threadedly matched with the first screw rod, and the two ends of the connecting rod are rotatably connected to the first sleeve and the scraper respectively, so that the scale on the inner wall of the boiler can be conveniently collected without manual scraping, which greatly reduces manpower and time, is very convenient to operate, and improves the detection efficiency of corrosion scaling.

Description

Technical Field

[0001] The invention relates to the technical field of industrial boiler detection equipment, and in particular to a boiler corrosion and scaling detection device and method. Background Art

[0002] During the operation of the boiler, corrosion and scaling often occur due to the influence of various factors such as water quality and operating conditions. Corrosion and scaling will not only reduce the thermal efficiency of the boiler, but may also pose a threat to the safe operation of the boiler. Therefore, regular corrosion and scaling detection of the boiler is an important measure to ensure the safe operation of the boiler.

[0003] In the prior art patent CN215573823U, an industrial boiler corrosion scaling detection device is disclosed. When in use, a worker can hold the holding mechanism and use a scraper to scrape off the scale on the inner wall of the boiler. The fallen scale will enter the collection mechanism. This design facilitates the sampling and collection of scale by the worker, thereby facilitating the subsequent analysis of the scale composition.

[0004] However, in the above-mentioned prior art patents, the scale on the inner wall of the boiler is scraped manually, which requires a lot of manpower and time, and the operation is very inconvenient, resulting in low corrosion scaling detection efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a boiler corrosion scaling detection device and method, aiming to solve the technical problem that the scale on the inner wall of the boiler is scraped manually in the prior art, which requires a lot of manpower and time, is very inconvenient to operate, and leads to low corrosion scaling detection efficiency.

[0006] To achieve the above-mentioned purpose, the present invention adopts a boiler corrosion scaling detection device, which includes a bracket, a first hydraulic cylinder and a collecting assembly, wherein the first hydraulic cylinder is arranged in the bracket, and the collecting assembly is connected to the output end of the first hydraulic cylinder;

[0007] The collecting assembly comprises a connecting plate, a first motor, a first screw rod, a first sleeve, a connecting rod, a scraper, two fixed rods, a collecting frame and two groups of fixing parts, the connecting plate is fixedly connected to the output end of the first hydraulic cylinder and is located in the bracket, the two fixed rods are fixedly connected to the connecting plate and are both located below the connecting plate, the collecting frame is located below the connecting plate, the collecting frame has two limiting holes, each group of the fixing parts is movably arranged on the corresponding fixing rod and respectively matched with the corresponding limiting holes, the scraper is rotatably connected to the connecting plate and is located below the connecting plate, the connecting plate has a limiting groove, the first screw rod is rotatably arranged in the limiting groove, the first motor is fixedly arranged on the outer side wall of the connecting plate, the output end of the first motor is connected to the first screw rod, the first sleeve is sleeved on the outside of the first screw rod and is threadedly matched with the first screw rod, and the two ends of the connecting rod are respectively rotatably connected to the first sleeve and the scraper.

[0008] Among them, the collection component also includes two arc guide rails and two round shafts, the two round shafts are fixedly connected to the collection frame and are located on the outer side wall of the collection frame, the two arc guide rails are fixedly connected to the connecting plate and are located on the outer side wall of the connecting plate, and each round shaft is movably connected to the corresponding arc guide rail.

[0009] Wherein, the collection assembly further comprises a force applying rod, which is fixedly connected to the collection frame and is located on the outer side wall of the collection frame.

[0010] Among them, the fixing part includes a pull rod, a supporting spring and a supporting block. The pull rod is movably connected to the fixing rod and passes through the fixing rod. The supporting block is fixedly connected to the pull rod and is adapted to the limiting hole. The two ends of the supporting spring are respectively fixedly connected to the supporting block and the fixing rod, and are sleeved on the outside of the pull rod.

[0011] Wherein, the boiler corrosion scaling detection device also includes a moving component, the moving component is connected to the bracket and is located on the bracket, and the first hydraulic cylinder is connected to the moving component.

[0012] Among them, the moving assembly includes a second screw rod, a second sleeve, a fixed frame and a second motor, the bracket has a through groove, the second screw rod is rotatably arranged in the through groove, the second motor is fixedly arranged on the outside of the bracket, and the output end of the second motor is connected to the second screw rod, the second sleeve is sleeved on the outside of the second screw rod and is threadedly matched with the second screw rod, the fixed frame is fixedly connected to the second sleeve and is located below the second sleeve, and the first hydraulic cylinder is fixedly connected to the fixed frame and is located in the fixed frame.

[0013] The present invention also provides a boiler corrosion scaling detection method, comprising the following steps:

[0014] Turn off the boiler and wait for it to cool down completely;

[0015] Controlling the scraper to scrape the scale on the inner wall of the boiler and collecting it with the collection frame;

[0016] Use a magnifying glass to observe the appearance of the scale and record the color, texture and structural characteristics of the scale;

[0017] Use an ultrasonic thickness gauge to accurately measure the thickness of the scale;

[0018] The scale samples are dissolved and chemically decomposed, and then the content of minerals such as calcium, magnesium, silicon, and iron is determined using an atomic absorption spectrometer to confirm the chemical basis of corrosion scaling;

[0019] Measure the pH value and conductivity of boiler water to determine the water quality;

[0020] Assess the severity of boiler corrosion and scaling, and propose targeted maintenance measures.

[0021] The present invention provides a boiler corrosion scaling detection device and method. When sampling and detecting the corrosion scaling on the inner wall of the boiler, the bracket is first located above the boiler, the collection frame is fixed below the scraper through the fixing member, and then the first hydraulic cylinder is started to work. The first hydraulic cylinder drives the connecting plate to move downward, and the connecting plate enables the collection frame and the scraper to enter the boiler. Then the first motor on the outer side of the connecting plate is started, and the first motor controls the first screw rod to rotate in the limiting groove. Since the first sleeve is threadedly matched with the first screw rod, the first sleeve will move horizontally in the limiting groove, and the connecting rod drives the scraper to contact the inner wall of the boiler. Then the first hydraulic cylinder is started to control the lifting and lowering of the connecting plate. The scraper will drop the scale on the inner wall of the boiler into the collection frame, and then the scale in the collection frame is detected. Through the above method, it is realized that the scale on the inner wall of the boiler can be conveniently collected without manual scraping, which greatly reduces manpower and time, is very convenient to operate, and improves the detection efficiency of corrosion scaling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a boiler corrosion scaling detection device of the present invention.

[0024] Figure 2 It is a structural side view of the boiler corrosion scaling detection device of the present invention.

[0025] Figure 3 The present invention Figure 2 AA line structural cross-section view.

[0026] Figure 4 It is a partial structural schematic diagram of the boiler corrosion scaling detection device of the present invention.

[0027] Figure 5 It is a partial structural front view of the boiler corrosion scaling detection device of the present invention.

[0028] Figure 6 The present invention Figure 5 BB line structural cross-sectional view.

[0029] Figure 7 It is a flow chart of the steps of the boiler corrosion scaling detection method of the present invention.

[0030] 101-bracket, 102-first hydraulic cylinder, 103-connecting plate, 104-first motor, 105-first screw rod, 106-first sleeve, 107-connecting rod, 108-scraper, 109-fixing rod, 110-collecting frame, 111-limiting groove, 112-arc guide rail, 113-round shaft, 114-force rod, 115-pull rod, 116-resisting spring, 117-resisting block, 118-second screw rod, 119-second sleeve, 120-fixed frame, 121-second motor, 122-through groove, 123-second hydraulic cylinder, 124-moving plate, 125-moving wheel, 126-fixing groove, 127-limiting hole. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] See also Figure 1 to Figure 7 The present invention provides a boiler corrosion scaling detection device, comprising a bracket 101, a first hydraulic cylinder 102 and a collecting assembly, wherein the first hydraulic cylinder 102 is arranged in the bracket 101, and the collecting assembly is connected to the output end of the first hydraulic cylinder 102;

[0033] The collecting assembly includes a connecting plate 103, a first motor 104, a first screw rod 105, a first sleeve 106, a connecting rod 107, a scraper 108, two fixing rods 109, a collecting frame 110 and two groups of fixing parts. The connecting plate 103 is fixedly connected to the output end of the first hydraulic cylinder 102 and is located in the bracket 101. The two fixing rods 109 are fixedly connected to the connecting plate 103 and are located below the connecting plate 103. The collecting frame 110 is located below the connecting plate 103. The collecting frame 110 has two limiting holes 127. Each group of fixing parts is movably arranged on the corresponding fixing rod 109 and is divided into The scraper 108 is rotatably connected to the connecting plate 103 and is located below the connecting plate 103. The connecting plate 103 has a limiting groove 111. The first screw rod 105 is rotatably set in the limiting groove 111. The first motor 104 is fixedly set on the outer wall of the connecting plate 103. The output end of the first motor 104 is connected to the first screw rod 105. The first sleeve 106 is sleeved on the outside of the first screw rod 105 and is threadedly matched with the first screw rod 105. The two ends of the connecting rod 107 are rotatably connected to the first sleeve 106 and the scraper 108 respectively.

[0034] In this embodiment, when sampling and testing the corrosion and scaling on the inner wall of the boiler, the bracket 101 is first located above the boiler, the collection frame 110 is fixed below the scraper 108 through the fixing member, and then the first hydraulic cylinder 102 is started to work, the first hydraulic cylinder 102 drives the connecting plate 103 to move downward, and the connecting plate 103 enables the collection frame 110 and the scraper 108 to enter the boiler, and then the first motor 104 outside the connecting plate 103 is started, and the first motor 104 controls the first screw rod 105 to rotate in the limiting groove 111. The sleeve 106 is threadedly matched with the first screw rod 105, and the first sleeve 106 will move horizontally in the limit groove 111. The connecting rod 107 drives the scraper 108 to contact the inner wall of the boiler, and then the first hydraulic cylinder 102 is started to control the lifting of the connecting plate 103. The scraper 108 will drop the scale on the inner wall of the boiler into the collecting frame 110, and then the scale in the collecting frame 110 will be detected. Through the above method, the scale on the inner wall of the boiler can be easily collected without manual scraping, which greatly reduces manpower and time. The operation is very convenient, and the detection efficiency of corrosion scaling is improved.

[0035] Furthermore, the collection component also includes two arc guide rails 112 and two circular shafts 113, the two circular shafts 113 are fixedly connected to the collection frame 110 and are located on the outer wall of the collection frame 110, the two arc guide rails 112 are fixedly connected to the connecting plate 103 and are located on the outer wall of the connecting plate 103, and each circular shaft 113 is movably connected to the corresponding arc guide rail 112.

[0036] In this embodiment, when the scraper 108 is controlled to rotate, the circular shafts 113 on both sides of the scraper 108 will move in the arc guide rails 112 respectively. The arrangement of the arc guide rails 112 and the circular shafts 113 can increase the stability of the scraper 108 and facilitate scraping the inner wall of the boiler.

[0037] Furthermore, the collection assembly further includes a force applying rod 114 , which is fixedly connected to the collection frame 110 and is located on an outer side wall of the collection frame 110 .

[0038] In this embodiment, the force applying rod 114 is disposed on the outer side of the collecting frame 110 , so that the collecting frame 110 can be easily taken by using the force applying rod 114 .

[0039] Furthermore, the fixing member includes a pull rod 115, a supporting spring 116 and a supporting block 117. The pull rod 115 is movably connected to the fixing rod 109 and passes through the fixing rod 109. The supporting block 117 is fixedly connected to the pull rod 115 and is adapted to the limiting hole 127. The two ends of the supporting spring 116 are respectively fixedly connected to the supporting block 117 and the fixing rod 109, and are sleeved on the outside of the pull rod 115.

[0040] In this embodiment, when fixing the collection frame 110, the pull rod 115 is pulled on the two fixing rods 109 respectively, and the pull rod 115 drives the supporting block 117 to squeeze the supporting spring 116, and then the collection frame 110 is placed between the two fixing rods 109, and at the same time, the limiting holes 127 on both sides of the collection frame 110 correspond to the supporting block 117, and then the pull rod 115 is released, and the supporting block 117 is positioned in the limiting hole 127 by using the elastic force of the supporting spring 116, and then the collection frame 110 is fixed between the two fixing rods 109.

[0041] Furthermore, the boiler corrosion scaling detection device also includes a moving component, which is connected to the bracket 101 and located on the bracket 101, and the first hydraulic cylinder 102 is connected to the moving component.

[0042] In this embodiment, the moving component is disposed on the bracket 101 , and the moving component is used to control the movement of the first hydraulic cylinder 102 , so that the collecting frame 110 and the scraper 108 move accordingly.

[0043] Furthermore, the moving component includes a second screw rod 118, a second sleeve 119, a fixing frame 120 and a second motor 121, the bracket 101 has a through slot 122, the second screw rod 118 is rotatably disposed in the through slot 122, the second motor 121 is fixedly disposed on the outside of the bracket 101, and the output end of the second motor 121 is connected to the second screw rod 118, the second sleeve 119 is sleeved on the outside of the second screw rod 118 and threadedly matched with the second screw rod 118, the fixing frame 120 is fixedly connected to the second sleeve 119 and is located below the second sleeve 119, and the first hydraulic cylinder 102 is fixedly connected to the fixing frame 120 and is located inside the fixing frame 120.

[0044] In this embodiment, when controlling the movement of the collecting frame 110 and the scraper 108, the second motor 121 is started, and the second motor 121 drives the second screw rod 118 to rotate in the through groove 122. Since the second sleeve 119 is threadedly engaged with the second screw rod 118, the second sleeve 119 will move horizontally in the through groove 122 and drive the hydraulic lever to move, and then the collecting frame 110 and the scraper 108 will move accordingly.

[0045] Furthermore, the boiler corrosion and scaling detection device also includes two movable plates 124, a plurality of movable wheels 125 and two second hydraulic cylinders 123, the bracket 101 has two fixed grooves 126, and the two second hydraulic cylinders 123 are respectively fixedly disposed in the corresponding fixed grooves 126, each of the movable plates 124 is movably connected to the bracket 101 and is respectively located in the corresponding fixed grooves 126, and each of the movable plates 124 is respectively fixedly connected to the corresponding second hydraulic cylinder 123, and each of the movable wheels 125 is respectively connected to the corresponding movable plate 124.

[0046] In this embodiment, when the device needs to be moved, the second hydraulic cylinders 123 in the two fixed grooves 126 in the bracket 101 are activated, and each of the second hydraulic cylinders 123 pushes the moving plate 124 outward in the fixed groove 126. The moving plate 124 drives the moving wheel 125 to move from the fixed groove 126 until the moving wheel 125 contacts the ground, and then force is applied to push the bracket 101 to move, which is convenient to operate.

[0047] The present invention also provides a boiler corrosion scaling detection method, comprising the following steps:

[0048] S100: Turn off the boiler and wait for the boiler to cool down completely;

[0049] S200: Control the scraper 108 to scrape the scale on the inner wall of the boiler and collect it using the collection frame 110;

[0050] S300: Use ultrasonic thickness gauge to accurately measure the thickness of scale;

[0051] S400: Dissolve and chemically decompose the scale sample, and then use atomic absorption spectrometry to determine the content of minerals such as calcium, magnesium, silicon, and iron to confirm the chemical basis of corrosion scaling;

[0052] S500: Measure the pH value and conductivity of boiler water to determine water quality;

[0053] S600: Assess the severity of boiler corrosion and scaling, and propose targeted maintenance and care measures.

[0054] In this embodiment, the boiler is first turned off, and the boiler is allowed to cool completely. The scraper 108 is then controlled to scrape the scale on the inner wall of the boiler, which is then collected by the collection frame 110. A magnifying glass is used to observe the appearance of the scale, and the color, texture and structural characteristics of the scale are recorded. An ultrasonic thickness gauge is used to accurately measure the thickness of the scale. The scale sample is then dissolved and chemically decomposed, and an atomic absorption spectrometer is used to determine the content of minerals such as calcium, magnesium, silicon, and iron therein to confirm the chemical basis of corrosion and scaling. The pH value and conductivity of the boiler water are measured at the same time to determine the water quality. Finally, the severity of boiler corrosion and scaling is evaluated, and targeted maintenance measures are proposed.

[0055] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A boiler corrosion and scaling detection device, characterized in that: It comprises a bracket, a first hydraulic cylinder and a collecting assembly, wherein the first hydraulic cylinder is arranged in the bracket, and the collecting assembly is connected to the output end of the first hydraulic cylinder; The collecting assembly comprises a connecting plate, a first motor, a first screw rod, a first sleeve, a connecting rod, a scraper, two fixed rods, a collecting frame and two groups of fixing parts, the connecting plate is fixedly connected to the output end of the first hydraulic cylinder and is located in the bracket, the two fixed rods are fixedly connected to the connecting plate and are both located below the connecting plate, the collecting frame is located below the connecting plate, the collecting frame has two limiting holes, each group of the fixing parts is movably arranged on the corresponding fixing rod and respectively matched with the corresponding limiting holes, the scraper is rotatably connected to the connecting plate and is located below the connecting plate, the connecting plate has a limiting groove, the first screw rod is rotatably arranged in the limiting groove, the first motor is fixedly arranged on the outer side wall of the connecting plate, the output end of the first motor is connected to the first screw rod, the first sleeve is sleeved on the outside of the first screw rod and is threadedly matched with the first screw rod, and the two ends of the connecting rod are respectively rotatably connected to the first sleeve and the scraper.

2. The boiler corrosion scaling detection device according to claim 1, characterized in that: The collection assembly also includes two arc guide rails and two round shafts, the two round shafts are fixedly connected to the collection frame and are located on the outer side wall of the collection frame, the two arc guide rails are fixedly connected to the connecting plate and are located on the outer side wall of the connecting plate, and each round shaft is movably connected to the corresponding arc guide rail.

3. The boiler corrosion scaling detection device according to claim 2, characterized in that: The collection assembly further comprises a force applying rod, which is fixedly connected to the collection frame and is located on the outer side wall of the collection frame.

4. The boiler corrosion scaling detection device according to claim 3, characterized in that: The fixing member includes a pull rod, a supporting spring and a supporting block. The pull rod is movably connected to the fixing rod and passes through the fixing rod. The supporting block is fixedly connected to the pull rod and is adapted to the limiting hole. The two ends of the supporting spring are respectively fixedly connected to the supporting block and the fixing rod, and are sleeved on the outside of the pull rod.

5. The boiler corrosion scaling detection device according to claim 1, characterized in that: The boiler corrosion scaling detection device also includes a moving component, which is connected to the bracket and located on the bracket, and the first hydraulic cylinder is connected to the moving component.

6. The boiler corrosion scaling detection device according to claim 5, characterized in that: The moving assembly includes a second screw rod, a second sleeve, a fixed frame and a second motor. The bracket has a through groove. The second screw rod is rotatably arranged in the through groove. The second motor is fixedly arranged on the outside of the bracket, and the output end of the second motor is connected to the second screw rod. The second sleeve is sleeved on the outside of the second screw rod and is threadedly matched with the second screw rod. The fixed frame is fixedly connected to the second sleeve and is located below the second sleeve. The first hydraulic cylinder is fixedly connected to the fixed frame and is located inside the fixed frame.

7. A boiler corrosion scaling detection method, applied to the boiler corrosion scaling detection device according to claim 1, characterized in that: The steps include: Turn off the boiler and wait for it to cool down completely; Controlling the scraper to scrape the scale on the inner wall of the boiler and collecting it with the collection frame; Use a magnifying glass to observe the appearance of the scale and record the color, texture and structural characteristics of the scale; Use an ultrasonic thickness gauge to accurately measure the thickness of the scale; The scale samples are dissolved and chemically decomposed, and then the content of minerals such as calcium, magnesium, silicon, and iron is determined using an atomic absorption spectrometer to confirm the chemical basis of corrosion scaling; Measure the pH value and conductivity of boiler water to determine the water quality; Assess the severity of boiler corrosion and scaling, and propose targeted maintenance measures.

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