CN215066632U - Small lateral filling coal sample and additional initial pressure detection coal expansion pressure device - Google Patents
Small lateral filling coal sample and additional initial pressure detection coal expansion pressure device Download PDFInfo
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- CN215066632U CN215066632U CN202120668672.5U CN202120668672U CN215066632U CN 215066632 U CN215066632 U CN 215066632U CN 202120668672 U CN202120668672 U CN 202120668672U CN 215066632 U CN215066632 U CN 215066632U
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- 239000003245 coal Substances 0.000 title claims abstract description 87
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000011049 filling Methods 0.000 title claims abstract description 9
- 239000000571 coke Substances 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000004939 coking Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 7
- 238000011068 loading method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
小型侧位填充煤样及附加初压力检测煤膨胀压力装置，包括剪式千斤顶、升降接板、立柱、压力检测装置、实验焦炉、压板，所述剪式千斤顶设置在升降接板的上端并驱动升降接板上下移动，所述升降接板与立柱滑动连接，所述压力检测装置安装在升降接板的底部，所述压板安装在压力检测装置的底部，所述压板沿实验焦炉内壁上下滑动，所述实验焦炉为侧开门炉体。本实用新型采用符合工业生产实际情况的侧面加热，设计了初压力供给系统，进行了设备的结构优化使压力传感器不采用冷却水套，而用隔热板。且用煤量小(100g)，同时提供侧式添加煤样盒结构，便于煤样的取放。
Small side-filling coal sample and additional initial pressure detection coal expansion pressure device, including scissor jack, lifting connecting plate, column, pressure detection device, experimental coke oven, pressure plate, the scissor jack is arranged on the upper end of the lifting connecting plate and The lifting connecting plate is driven to move up and down, the lifting connecting plate is slidingly connected with the column, the pressure detection device is installed at the bottom of the lifting connecting plate, the pressure plate is installed at the bottom of the pressure detection device, and the pressure plate moves up and down along the inner wall of the experimental coke oven Sliding, the experimental coke oven is a side door furnace body. The utility model adopts side heating conforming to the actual situation of industrial production, designs an initial pressure supply system, and optimizes the structure of the equipment so that the pressure sensor does not use a cooling water jacket but a heat insulation plate. And the coal consumption is small (100g), and a side-type coal sample box structure is provided, which is convenient for taking and placing coal samples.
Description
Technical Field
The utility model relates to a detect coal coking in-process expansion pressure's device especially relates to a small-size side position is filled coal sample and additional initial pressure and is detected coal expansion pressure device.
Background
Along with the wide use of tamping coking technology, the expansion pressure generated in the coking process is more and more emphasized by people, the coke quality can be ensured by proper coking expansion force, and meanwhile, the expansion force cannot be too large, otherwise, the furnace wall can be damaged.
The pyrolysis of coal refers to a process of generating gas, liquid and solid by a series of physical and chemical reactions after the coal is used as a raw material and is continuously heated to a certain temperature. Proper expansion pressure is needed in the coking process to ensure the coke quality, and meanwhile, the expansion pressure cannot be too high, so that the damage to the furnace wall is prevented. In the prior art, various testing devices are designed to measure the coking expansion pressure so as to avoid the generation of dangerous coking pressure in coal preparation and blending, wherein coke ovens with movable oven wall structures have different forms and are generally considered as better testing devices, but the coal consumption is large, and the required quantity is generally hundreds of kilograms; the principle of the single-side heating movable wall type pressure testing device is the same as that of a coke oven with a movable oven wall structure, the coal consumption is relatively less, but the mass of the movable wall is large, the generated friction force has great influence on the measurement result, the error ratio in the testing process is large, and the requirement of a factory on a coking coal process device cannot be met.
Chinese patent No. CN211652733U discloses a device for measuring the maximum expansion pressure during coking of coal cake, which can accurately measure the expansion pressure generated during dry distillation of coking coal and is a device for measuring the maximum expansion pressure during coking of coal cake. The device comprises a coke oven base, an oven body rotating arm, a linear light column, a stepping motor, a loading vertical tube, a loading pressure head and a coke oven body; the top end of the linear light beam is provided with an upright post top seat, the bottom end of the linear light beam is provided with an upright post base, the top end of the linear light beam is connected with the lifting connecting plate through the upright post top seat, and the bottom end of the linear light beam is connected with the coke oven base through the upright post base; a stepping motor is fixed on the lifting connection plate and drives the loading vertical pipe to lift, the bottom of the loading vertical pipe is connected with a loading pressure head, and two ends of the loading attachment plate are connected with the linear light column through linear bearings; the furnace body support is rotationally connected with the furnace body rotating arm, and the furnace body rotating arm is fixedly connected with the coke oven body. The method has the advantages that the expansion process of the coal cake in the coke oven is simulated to a certain extent, so that the influence of different types of coal cake expansion on the hearth in the actual production process is analyzed and solved, and the safety of the actual production hearth and the accuracy of data are ensured to have certain reference value. But its shortcoming is also very obvious, and one is that the heating method is bottom heating, and under the condition of unilateral heating, the experiment duration is long, and the coal seam also can not be heated fully, leads to great error. This is contrary to the horizontal heating mode of coke ovens produced by coking enterprises. Secondly, under the working environment of high temperature, the pressure sensor can not work normally due to overhigh temperature, and a cooling device is added in the equipment to ensure the normal work of the sensor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal sample and additional initial pressure detection coal inflation pressure device are filled to small-size side position adopts the side heating that accords with the industrial production actual conditions, has designed initial pressure feed system, has carried out the configuration optimization of equipment and has made pressure sensor not adopt cooling jacket, but with the heat insulating board. The coal consumption is small (100g), and a side type coal sample adding box structure is provided, so that the coal sample is conveniently taken and placed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the small-size side position is filled coal sample and is added initial pressure and detect coal inflation pressure device, including cutting formula jack, lift fishplate bar, stand, pressure measurement device, experiment coke oven, clamp plate, it reciprocates to cut formula jack setting in the upper end of lift fishplate bar and drive lift fishplate bar, lift fishplate bar and stand sliding connection, pressure measurement device installs the bottom at the lift fishplate bar, the clamp plate is installed in pressure measurement device's bottom, the clamp plate slides from top to bottom along experiment coke oven inner wall, experiment coke oven is the side furnace body of opening a door.
The pressure detection device comprises a pressing plate, a die heat insulation plate, an S-shaped pressure sensor, a side vertical plate, a supporting plate, an auxiliary stretching rod, a sensor limiting groove, a clamping pressure head, a V-shaped block and an electric push rod, wherein the side vertical plate is fixed at the upper end of the pressing plate, the die heat insulation plate is arranged in an inner space formed by the side vertical plate, the sensor limiting groove is arranged at the upper end of the die heat insulation plate and is fixedly connected with the side vertical plate, the S-shaped pressure sensor is arranged in the sensor limiting groove and is in contact with the die heat insulation plate, the V-shaped block is arranged at the upper end of the S-shaped pressure sensor, the clamping pressure head is opposite to the V-shaped block, the upper end of the clamping pressure head is connected with the supporting plate, the upper end of the electric push rod is connected with a lifting connection plate, the lower end of the electric push rod is connected with the supporting plate, the supporting plate is in sliding connection with the auxiliary stretching rod, and is fixedly connected with the sensor limiting groove, the support plate and the auxiliary stretching rod can be connected through a fixing rivet.
The experimental coke oven comprises an oven body and an oven door, wherein the oven door is hinged with the oven body, heating resistance nets are arranged in the side wall of the oven body and the oven door, a sealing gasket is arranged on the contact surface of the oven body and the oven door, and a coal sample box placing groove is arranged in the oven cavity.
Still include the coal sample box, during the box dress of coal sample box was put into the coal sample box standing groove, the clamp plate can slide from top to bottom along the coal sample box inner wall.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the coal sample is placed in the cylindrical coal sample box, and the coal sample can be placed in or taken out from the cylindrical coal sample box at a side position. The operation is convenient, the expansion pressure is convenient to test, and the coal coking expansion force contrast test of different coal samples and the coal coking expansion force parallel test of the same coal sample can be rapidly carried out.
2) An initial pressure supply system is designed, the height of the whole device is adjusted greatly through the scissor jack, and then the device is finely adjusted through the fine adjustment structure. The initial pressure value of the coal sample can be accurately measured under the matched use of the S-shaped pressure sensor, so that the accuracy is higher in the process of measuring the coal expansion pressure.
3) The structure is optimized, the trouble of cooling water jacket equipment is avoided, and the mold heat insulation plate capable of resisting 1000 ℃ is adopted, so that the mold can normally work at high temperature.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of the middle pressure detecting device of the present invention.
FIG. 3 is a schematic view of an experimental coke oven and coal sample box.
In the figure: 1. the device comprises a horizontal base 2, an upright post 3, an experimental coke oven 4, a pressing plate 5, a heating resistance net 6, a mould heat insulation plate 7, a side vertical plate 8, an S-type pressure sensor 9, a pressure detection device 10, an anchor bolt 11, a lifting connection plate 12, an adjusting knob 13, a cross beam fixing nut 14, an upright post top plate 15, a scissor jack 16, an auxiliary stretching rod 17, a supporting plate 18, a fixing rivet 19, an electric push rod 20, a clamping pressure head 21, a v-shaped block 22, a sensor limiting groove 23, a coal sample box 24, a furnace door 25, a side door handle 26 and a door bolt buckle 27 coal sample box mounting groove.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
referring to fig. 1-3, the small-sized lateral coal sample filling and initial pressure additional coal expansion pressure detecting device comprises a scissor jack 15, a lifting connection plate 11, a stand column 2, a pressure detecting device 9, an experimental coke oven 3 and a pressing plate 4, wherein the scissor jack 15 is arranged at the upper end of the lifting connection plate 11 and drives the lifting connection plate 11 to move up and down, the lifting connection plate 11 is connected with the stand column 2 in a sliding manner, the pressure detecting device 9 is arranged at the bottom of the lifting connection plate 11, the pressing plate 4 is arranged at the bottom of the pressure detecting device 9, the pressing plate 4 slides up and down along the inner wall of the experimental coke oven 3, and the experimental coke oven 3 is a side-opening oven body.
The pressure detection device 9 comprises a mould heat insulation plate 6, an S-shaped pressure sensor 8, a side vertical plate 7, a support plate 17, an auxiliary stretching rod 16, a sensor limiting groove 22, a clamping pressure head 20, a V-shaped block 21 and an electric push rod 19, wherein the side vertical plate 7 is fixed at the upper end of the press plate 4, the mould heat insulation plate 6 is arranged in an inner space formed by the side vertical plate 7, the sensor limiting groove 22 is arranged at the upper end of the mould heat insulation plate 6 and is fixedly connected with the side vertical plate 7, the S-shaped pressure sensor 8 is arranged in the sensor limiting groove 22 and is contacted with the mould heat insulation plate 6, the V-shaped block 21 is arranged at the upper end of the S-shaped pressure sensor 8, the clamping pressure head 20 is opposite to the V-shaped block 21, the upper end of the clamping pressure head 20 is connected with the support plate 17, the upper end of the electric push rod 19 is connected with the lifting connection plate 11, the lower end of the electric push rod 19 is connected with the support plate 17, and the support plate 17 is connected with the auxiliary stretching rod 16 in a sliding manner, the auxiliary stretching rod 16 is fixedly connected with the sensor limiting groove 22, and the support plate 17 and the auxiliary stretching rod 16 can be connected through a fixing rivet 18.
The experimental coke oven 3 comprises an oven body and an oven door 24, wherein the oven door 24 is hinged with the oven body, heating resistance nets 5 are arranged in the side wall of the oven body and the oven door 24, a sealing gasket is arranged on the contact surface of the oven body and the oven door 24, and a coal sample box placing groove 27 is arranged in the oven cavity.
The coal sample box is characterized by further comprising a coal sample box 23, wherein the coal sample box 23 is arranged in a coal sample box placing groove 27, and the pressing plate 4 can slide up and down along the inner wall of the coal sample box 23.
The body of the experimental coke oven 3 is fixed on the horizontal base 1, and the oven door 24 is opened to put the coal sample box 23 into the oven. A mould heat insulation plate 6 is arranged on the pressing plate 4, and a thin plate is arranged between the mould heat insulation plate 6 and the S-shaped pressure sensor 8 to prevent the sensor from falling off. The v-shaped block 21, the clamping pressure head 20 and the electric push rod 19 on the S-shaped pressure sensor 8 form an initial pressure fine adjustment mechanism, and the electric push rod 19 can drive the clamping pressure head 20 to move together. The side vertical plate 7 is fixed with the bottom pressing plate 4 and the sensor limiting groove 22, the lower end of the auxiliary stretching rod 16 is fixed on the sensor limiting groove 22, the upper end of the auxiliary stretching rod passes through a small hole (the aperture is 2 times of the diameter of the auxiliary stretching rod) on the supporting plate 17, and then the fixing rivet 18 is transversely inserted into the small hole on the auxiliary stretching rod 16 to provide tension for lifting the whole pressure detection device. The top of the electric push rod 19 is connected with the lower part of the lifting connecting plate 11. The small holes around the lifting connecting plate 11 are inserted into the upright rods 2 and fixed by anchor bolts 10. The scissor jack 15 is connected with the upright stanchion top plate 14, and the lower end of the scissor jack is fixedly connected with the lifting connecting plate 11.
The small-sized lateral filling coal sample and additional initial pressure detection coal expansion pressure device comprises the following structures and functions:
1) the experimental coke oven 3 is composed of refractory bricks and a heat-insulating layer and is arranged on the horizontal base 1; the horizontal base 1 is placed in a laboratory fume hood, and the four corners are adjusted to enable the horizontal base 1 to reach the required height and ensure the horizontal;
2) when in coking, the side door handle 25 is held by hand to open the oven door 24, the coal sample box 23 is placed in the oven cavity, the oven door 24 is closed and the door bolt hasp 26 is closed;
3) as the coal sample thermally expands, the platen 4 transfers forces and high temperatures upward. The mould heat insulation plate 6 can resist the high temperature of more than 1000 ℃ and is not easy to deform. The problem that the sensor cannot work at high temperature is effectively avoided, and the complexity of cooling operation by adopting a cooling water jacket is reduced.
4) The initial pressure fine adjustment mechanism consists of a v-shaped block 21, a clamping pressure head 20 and an electric push rod 19. The fine adjustment mechanism starts to be adjusted after the coal sample box 23 is put in, so that the pressing plate 4 can be tightly pressed on the coal sample;
5) the initial pressure supply device consists of a lifting connection plate 11, an adjusting knob 12, a vertical rod top plate 14 and a scissor jack 15. The initial pressure supply device is operated when the height of the large-amplitude adjusting device is adjusted and when the coal sample is taken out. Because the initial pressure fine adjustment mechanism has limited and slow expansion distance, the adjusting knob 12 is firstly rotated to greatly lower the scissor jack 15 when the initial pressure is provided, and when the initial pressure is close to a coal sample, the initial pressure fine adjustment mechanism is converted into the adjusting fine adjustment mechanism to slowly compress the coal sample and have certain pressure. After coking is finished, the scissor jack is adjusted safely and quickly to avoid damage to people due to high temperature.
The use method of the device for detecting the coal expansion pressure based on the small side filling coal sample and the additional initial pressure comprises the following steps:
1) adjusting the horizontal base 1 to enable the horizontal base 1 to reach the required height and ensure the horizontal;
2) opening the furnace door 24, putting the coal sample box 23 into the furnace cavity, closing the furnace door 24 and closing the door bolt hasp 26;
3) the scissor jack 15 is greatly lowered by rotating the adjusting knob 12, the fine adjustment mechanism is adjusted when the scissor jack is close to the coal sample, the coal sample is extended and slowly compacted through the electric push rod 19, and a certain pressure is applied to the S-shaped pressure sensor 8. At this time, the fixing rivet 18 inserted into the auxiliary stretching rod 16 is pulled out, and the auxiliary stretching rod 16 is slidably connected with the supporting plate 17.
4) An indication of the pressure on the S-shaped pressure sensor 8 is recorded, the indication of the S-shaped pressure sensor 8 is then zeroed and heating of the heating resistor grid 5 is initiated.
5) And obtaining a data result after heating.
6) After heating, the fixing rivet 18 is inserted into a small hole in the side of the auxiliary stretching rod 16, and the auxiliary stretching rod 16 is connected to the support plate 17. The knob 12 is turned to raise the scissor jack 15 greatly to disengage the platen 4 from the coal sample box 23.
7) And opening the door bolt buckle 26, holding the side door handle 25 by hand to open the oven door 24, and taking out the coal sample box 23. And closing the oven door 24 to finish a coking experiment.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668672.5U CN215066632U (en) | 2021-04-01 | 2021-04-01 | Small lateral filling coal sample and additional initial pressure detection coal expansion pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668672.5U CN215066632U (en) | 2021-04-01 | 2021-04-01 | Small lateral filling coal sample and additional initial pressure detection coal expansion pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066632U true CN215066632U (en) | 2021-12-07 |
Family
ID=79149163
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120668672.5U Expired - Fee Related CN215066632U (en) | 2021-04-01 | 2021-04-01 | Small lateral filling coal sample and additional initial pressure detection coal expansion pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066632U (en) |
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2021
- 2021-04-01 CN CN202120668672.5U patent/CN215066632U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |