Down-regulation coke oven grate brick resistance measuring device

Abstract

The utility model relates to a down-regulation coke oven grate brick resistance measuring device, which comprises a grate brick upper pressure measuring tube, a grate brick lower pressure measuring tube and a sealing fixing cover, side holes are arranged at the tops of the grate brick upper pressure measuring tube and the grate brick lower pressure measuring tube, and the bottoms of the grate brick upper pressure measuring tube and the grate brick lower pressure measuring tube are fixedly connected with the sealing fixing cover. The pressure measuring device has the advantages of being easy to operate, accurate and efficient in data measurement, convenient to carry, flexible to install, capable of being repeatedly used, high in practicability, economical, practical and capable of being widely popularized.

Description

TECHNICAL FIELD

[0001] The utility model relates to coke oven gas flow analysis technical field especially relates to a down-regulation coke oven grate brick resistance measuring device. BACKGROUND

[0002] The thermal management in the production process of coke oven has important significance for reducing the energy consumption of coking process and stabilizing the coke quality, and in the heating process of coke oven, due to the changes of coal blending data and heating gas properties and other conditions, the heat supply must be adjusted in time, so that the coke cakes of all carbonization chambers of the whole oven reach balance and uniform maturity within the specified coking time, and the heat supply of the coke oven is realized through the combustion of gas, and the uniformity of the temperature of each vertical fire channel in the combustion chamber is crucial. The temperature of each vertical fire channel is jointly determined by the amount of gas and air entering the vertical fire channel for combustion, and the coke oven grate brick is the key to distributing the gas amount, and the resistance of the coke oven grate brick determines the amount of gas distribution.

[0003] At present, there is no effective method for measuring the resistance of coke oven grate brick, and most of them rely on theoretical formula calculation and computer simulation, but due to the fact that the accuracy of these methods cannot be effectively verified, the arrangement of the adjusting bricks in the grate brick is very unreasonable, which causes the temperature in the vertical fire channel to be uneven, which may affect the heat consumption and coke quality in coking, and even damage the oven body. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a down-regulation coke oven grate brick resistance measuring device, which can accurately measure the resistance of the down-regulation coke oven grate brick, has the advantages of simple operation, portability, quickness, reusability, economy and practicality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A down-regulation coke oven grate brick resistance measuring device, comprising a grate brick upper portion pressure measuring pipe, a grate brick lower portion pressure measuring pipe and a sealing fixed cover, the grate brick upper portion pressure measuring pipe and the grate brick lower portion pressure measuring pipe are provided with side holes at the top, and the bottom is fixedly connected with the sealing fixed cover and penetrates through the sealing fixed cover, one side of the sealing fixed cover is provided with a measuring port, and the measuring port is connected with a pressure gauge.

[0007] Further, the sealing fixed cover comprises a sealing cover, an extension rod and a buckle, the extension rod is arranged outside the sealing cover, one end of the extension rod is connected with the buckle, the other end of the buckle is provided with a fastening bolt, and the buckle is connected with the lifting lug of the outer wall of the down-regulation hole of the coke oven through the fastening bolt.

[0008] Further, the upper grate brick pressure measuring pipe is a segmented, telescopic and hollow sleeve pipe structure, the segments of the upper grate brick pressure measuring pipe are telescopically rotated and fixedly connected through fastening knobs, the outer wall of the upper grate brick pressure measuring pipe is provided with continuous scale values, and the upper grate brick pressure measuring pipe is provided with a side opening at the top thereof, which penetrates into the middle of the space formed by the grate bricks and checker bricks.

[0009] Further, the lower grate brick pressure measuring pipe is a segmented, telescopic and hollow sleeve pipe structure, the segments of the lower grate brick pressure measuring pipe are telescopically rotated and fixedly connected through fastening knobs, the outer wall of the lower grate brick pressure measuring pipe is provided with continuous scale values, and the lower grate brick pressure measuring pipe is provided with a side opening at the top thereof, which penetrates into the lower one-half to one-third of the small flue.

[0010] Further, the measuring port is a rough surface and rounded table structure.

[0011] Further, the sealing fixed cover is installed in cooperation with the lower adjusting hole of the coke oven, and a sealing gasket is arranged between the sealing fixed cover and the lower adjusting hole of the coke oven.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] 1) The upper grate brick pressure measuring pipe and the lower grate brick pressure measuring pipe are provided with side openings at the top ends thereof, the opening direction is always perpendicular to the air flow direction, the interference of the gas flow on the measurement result in the measurement process is avoided, the accuracy of the measurement result is ensured, and the measurement precision is high.

[0014] 2) The telescopic structure of the upper grate brick pressure measuring pipe and the lower grate brick pressure measuring pipe is convenient to carry and store, and is flexible and convenient to install, the length can be adjusted according to the scale on the upper surface to adapt to different types of lower adjusting coke ovens, the adaptability is strong, and the application range is wide.

[0015] 3) The upper grate brick pressure measuring pipe and the lower grate brick pressure measuring pipe can be measured at the same time, the obtained reading is the resistance of the grate brick after the measuring ports of the two pipes are connected to the pressure gauge, the measurement structure is simple, the operation is simple, the formula calculation is not needed, the resistance value result is obtained quickly and accurately.

[0016] 4) The sealing cover is matched with the size of the lower adjusting hole, and is provided with a sealing gasket between the hole wall of the lower adjusting hole, the fastening bolt is arranged on the clasp, the air leakage is avoided in the measurement process, the vertical state of the two pressure measuring pipes is ensured, and the accuracy of the measurement result is ensured; the sealing fixed cover structure is simple, and is convenient to install and disassemble.

[0017] 5) The device has the advantages of simple operation, flexible and quick installation, accurate and efficient measurement value, segmented structure convenient to carry, reusability, strong practicality, economy and practicality, and has the practical significance of universal promotion. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the main structure of a downward-adjustable coke oven grate brick resistance measuring device according to this utility model.

[0019] Fig. 2 This is a top view schematic diagram of a downward-adjustable coke oven grate brick resistance measuring device according to this utility model.

[0020] In the diagram: 1-Side opening; 2-Pressure measuring tube at the bottom of the grate brick; 3-Pressure measuring tube at the top of the grate brick; 4-Tightening knob; 5-Adjustment hole; 6-Tightening bolt; 7-Lifting lug; 8-Snap ring; 9-Extension rod; 10-Sealing gasket; 11-Sealing cap; 12-Measuring port. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings:

[0022] like Figs. 1-2 As shown, the working principle of a downward-adjustable coke oven grate brick resistance measuring device is as follows: the upper pressure measuring tube 3 of the grate brick extends into the top space of the grate brick, and the lower pressure measuring tube 2 of the grate brick extends into the small flue. The top side opening 1 is perpendicular to the airflow direction. The ends of the upper pressure measuring tube 3 and the lower pressure measuring tube 2 of the grate brick, which extend out of the sealing and fixing cover, are provided with measuring ports 12. The measuring ports 12 are connected to the positive and negative terminals of the pressure gauge. The pressure difference between the two measuring tubes displayed by the pressure gauge is the resistance value of the grate brick. This device is simple to operate, flexible and quick to install, accurate and efficient in measurement, easy to carry due to its segmented structure, reusable, highly practical, economical and practical, and has practical significance for widespread promotion.

[0023] like Figs. 1-2 As shown, a downward-adjustable coke oven grate brick resistance measuring device includes an upper pressure measuring tube 3, a lower pressure measuring tube 2, and a sealing cover. The upper pressure measuring tube 3 and the lower pressure measuring tube 2 are provided with side openings 1 at the top, and are fixedly connected to the sealing cover at the bottom. They pass through the sealing cover and are provided with a measuring port 12 on one side extending out of the sealing cover. The measuring port 12 is connected to a pressure gauge.

[0024] Furthermore, the sealing and fixing cover includes a sealing cover 11, an extension rod 9, and a buckle 8. The sealing cover 11 is extended by the extension rod 9, and the outer end of the extension rod 9 is connected to one end of the buckle 8. The other end of the buckle 8 is provided with a fastening bolt 6. The buckle 8 is connected to the lifting lug 7 on the outer wall of the coke oven lower adjustment hole 5 through the fastening bolt 6.

[0025] Further, the grate brick upper pressure measuring pipe 3 is a three-section, telescopic and rotatable, hollow sleeve pipe structure, the upper section and the middle section can be telescopic and rotatable, the three-section hollow structure measuring pipe is fixedly connected through the fastening knob 4, the outer wall of the three-section pipe of the grate brick upper pressure measuring pipe 3 is provided with continuous scale values, in operation, the top side opening 1 of the grate brick upper pressure measuring pipe 3 penetrates into the middle position of the space formed by the grate brick and the checker brick.

[0026] Further, the grate brick lower pressure measuring pipe 2 is a two-section, telescopic and rotatable, hollow sleeve pipe structure, the upper section can be telescopic and rotatable relative to the lower section, the telescopic length is fixed or the angle is fixed, and then the upper section is fixedly connected to the lower section through the fastening knob 4, the outer wall of the grate brick lower pressure measuring pipe 2 is provided with continuous scale values, in operation, the top side opening 1 of the grate brick lower pressure measuring pipe 2 penetrates into the lower one-half to one-third of the small flue.

[0027] Further, the measuring port 12 is a rough surface and rounded table structure, which is convenient for connecting the rubber tube and the pressure gauge and has the anti-falling function.

[0028] Further, the sealing fixed cover is installed in cooperation with the coke oven lower adjusting hole 5, the sealing gasket 10 is arranged between the sealing fixed cover and the coke oven lower adjusting hole 5, the sealing gasket 10 prevents air leakage of the measuring device in the measuring process, avoids the measurement error, and improves the measurement accuracy.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0030] The following examples are implemented on the premise of the technical scheme of the present application, and a detailed implementation mode and specific operation process are given, but the protection scope of the present application is not limited to the following examples. The methods used in the following examples are all conventional methods unless otherwise specified.

[0031]

Example

[0032] The lower half of the sealing cover 11 has a diameter of 145 mm and a thickness of 5 mm, the upper half has a diameter of 120 mm and a thickness of 3 mm, the diameter of the extension rod 9 is 3 mm, and the length is 30 mm.

[0033] The upper pressure measuring tube 3 of the grate brick has a first section with an outer diameter of 10 mm and a wall thickness of 1 mm, and the outer wall is marked with a scale value of 0-80 cm, a second section with an outer diameter of 8 mm and a wall thickness of 1 mm, and the outer wall is marked with a scale value of 81-160 cm, and a third section with an outer diameter of 6 mm and a wall thickness of 1 mm, and the outer wall is marked with a scale value of 161-240 cm; the lower pressure measuring tube 2 of the grate brick has a first section with an outer diameter of 10 mm and a wall thickness of 1 mm, and the outer wall is marked with a scale value of 0-80 cm, and a second section with an outer diameter of 8 mm and a wall thickness of 1 mm, and the outer wall is marked with a scale value of 81-160 cm; the two tubes have a side opening 1 at a distance of 5 mm from the end, and the opening has a diameter of 1.5 mm; the materials are stainless steel, and the materials will not react with any components in the gas, so that the accuracy of the sampling results can be ensured.

[0034] During measurement, the upper pressure measuring tube 3 of the grate brick and the lower pressure measuring tube 2 of the grate brick are adjusted to a suitable length and angle, and then fastened and fixed by using the fastening knob 4, the sealing pad 10 is placed on the sealing cover 11 in advance, the original sealing device at the lower adjusting hole 5 is removed, the sealing cover 11 is placed against the lower adjusting hole 5, the two clamping rings 8 are hung on the lifting lugs 7, the fastening bolts 6 on the clamping rings 8 are tightened, finally the upper pressure measuring tube 3 of the grate brick is connected to the (+) end of the pressure gauge, the lower pressure measuring tube 2 of the grate brick is connected to the (-) end of the pressure gauge, and the obtained reading is the resistance of the grate brick.

[0035] After the measurement is completed, the fastening bolts 6 are loosened in the opposite direction, the clamping rings 8 are removed from the lifting lugs 7, and the entire device is removed.

[0036] The device has the advantages of simple measurement operation, accurate and efficient measurement data, convenient carrying, flexible installation, repeated use, strong practicality, economy and practicality, and universal practical significance.

Claims

1. A down-regulation type coke oven grate brick resistance measuring device, characterized by, The grate brick upper pressure measuring pipe and the grate brick lower pressure measuring pipe are provided with side openings at the top, are fixedly connected with the sealing fixed cover at the bottom, pass through the sealing fixed cover, and are provided with measuring ports at the side of the sealing fixed cover, which are connected with pressure gauges.

2. A down-regulation type resistance measuring device for coke oven grate brick according to claim 1, characterized in that, The sealing fixed cover comprises a sealing cover, an extension rod and a clasp, the extension rod is arranged outside the sealing cover, the outer end of the extension rod is connected with one end of the clasp, the other end of the clasp is provided with a fastening bolt, and the clasp is connected with the hanger of the outer wall of the coke oven lower adjusting hole through the fastening bolt.

3. A down-regulation type resistance measuring device for coke oven grate brick according to claim 1, characterized in that, The grate brick upper pressure measuring pipe is a segmented, telescopic and rotatable hollow sleeve pipe structure, the segments of the grate brick upper pressure measuring pipe are telescopically and rotatably connected and are fixedly connected through fastening knobs, the outer wall of the grate brick upper pressure measuring pipe is provided with continuous scale values, and when working, the top side opening of the grate brick upper pressure measuring pipe is deep into the middle position of the space formed by the grate brick and the checker brick.

4. A down-regulation type resistance measuring device for coke oven grate brick according to claim 1, characterized in that, The grate brick lower pressure measuring pipe is a segmented, telescopic and rotatable hollow sleeve pipe structure, the segments of the grate brick lower pressure measuring pipe are telescopically and rotatably connected and are fixedly connected through fastening knobs, the outer wall of the grate brick lower pressure measuring pipe is provided with continuous scale values, and when working, the top side opening of the grate brick lower pressure measuring pipe is deep into the lower one-half to one-third of the small flue.

5. A down-regulation type resistance measuring device for coke oven grate brick according to claim 1, characterized in that, The measuring port is a rough surface rounded table structure.

6. A down-regulation type resistance measuring device for coke oven grate brick according to claim 1 or 2, characterized in that, The sealing fixed cover is installed in cooperation with the coke oven lower adjusting hole, and a sealing gasket is arranged between the sealing fixed cover and the coke oven lower adjusting hole.

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