CN212432769U - Briquette falling strength tester - Google Patents
Briquette falling strength tester Download PDFInfo
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- CN212432769U CN212432769U CN202020922621.6U CN202020922621U CN212432769U CN 212432769 U CN212432769 U CN 212432769U CN 202020922621 U CN202020922621 U CN 202020922621U CN 212432769 U CN212432769 U CN 212432769U
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Abstract
The utility model belongs to the technical field of moulded coal testing device, specifically a moulded coal intensity of falling apparatus. Comprises a dust removal component and a screening and weighing component; the dust removal assembly comprises a dust prevention box, a dust monitor and a dust collector; the dustproof box is a rectangular box body with a sealing door arranged on one side, and the door-shaped frame is fixedly arranged in the dustproof box; the dust monitor is fixedly arranged on the dustproof box; the dust collector is communicated with the dust prevention box through a pipe body; the screening and weighing assembly comprises a mounting plate, a weighing sensor, a weighing plate and a screening box; the outer wall of one side of the screening box is connected with a telescopic drive; the screening box is arranged below the material box; the telescopic driving and weighing sensor are respectively connected with the control box through leads. The dust pollution problem in the test process is effectively solved by arranging the dust prevention assembly, and the influence on the health of the test personnel caused by the dust pollution is eliminated; through the setting of screening weighing component, solved because of artifical manual screening and weigh problem consuming time and energy.
Description
Technical Field
The utility model belongs to the technical field of moulded coal testing device, specifically a moulded coal intensity of falling apparatus.
Background
When the drop strength test of the briquette is carried out: when the briquette sample falls down from the height of two meters instantly, the briquette (clean briquette) with strength not meeting the test requirement is partially broken. In the process, dust can be generated due to the breakage of the molded coal, the existing determinator for measuring the falling strength of the molded coal is of an open structure, and the determinator does not have a dustproof sealing device, so that the coal dust overflows, and the physical health of experiment operators can be influenced.
Because the equipment is in a fully open state, coal dust overflows to pollute other equipment in a laboratory in the experimental process, and dust occupational diseases are harmed to test workers. Can cause the harm of wind-dust occupational diseases to operators.
For the measurement of the strength of the briquette, accurate and reliable data needs to be obtained by freely dropping a certain amount of briquette samples from a height of 2m onto a steel plate with specified thickness; and then, dropping the briquette blocks with the granularity of more than 13mm in the dropped briquette for three times in total, wherein the dropping strength of the briquette is expressed by the mass percentage of the briquette blocks with the granularity of more than 13mm after dropping for the third time in the prototype coal sample. The internal calibration is based on passing through a 13mm sieve.
However, the existing briquette falling strength measuring instrument does not have the functions of weighing and screening, and the weighing and screening operation after each falling is completely completed manually by testers. Therefore, the existing experimental instrument is time-consuming and labor-consuming to perform the briquette dropping strength test.
In conclusion, in order to solve the problems of dust pollution, harm to the health of testers and time and labor consumption in the test process in the briquette strength falling test process, the improvement of the existing test instrument is a worthy matter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can accomplish automatic weighing and screening and the moulded coal that has the dust and collect the function intensity apparatus that falls down to solve the dust pollution that exists when using current apparatus to test, harm the problem that the testing personnel is healthy and the process of the test is hard consuming time.
In order to achieve the purpose, the utility model provides a moulded coal falling strength tester, which comprises a door-shaped frame, a control box and a material box, wherein the material box is connected on the door-shaped frame and can slide up and down relative to the door-shaped frame under the action of a winch; the dust removal assembly comprises a dust prevention box, a dust monitor and a dust collector; the dustproof box is a rectangular box body with a sealing door arranged on one side, and the door-shaped frame is fixedly arranged in the dustproof box; the dust monitor is fixedly arranged on the dustproof box; the dust collector is communicated with the dust prevention box through a pipe body; the screening and weighing assembly comprises a mounting plate, a weighing sensor, a weighing plate and a screening box; the mounting plates are symmetrically and fixedly connected to two sides of the door-shaped frame, and the weighing sensors are respectively mounted above the two mounting plates; two ends of the weighing plate are respectively connected above the weighing sensors on the corresponding sides; the weighing plate is provided with a through hole; the upper end of the screening box is open, the lower end of the screening box is provided with a bottom plate, and screening holes are formed in the bottom plate; the screening box is connected with the weighing plate in a sliding manner and is arranged at the through hole; the outer wall of one side of the screening box is connected with a telescopic drive, and the action direction of the telescopic drive is the same as the sliding direction of the screening box relative to the weighing plate; the screening box is arranged below the material box; the telescopic driving and weighing sensor are respectively connected with the control box through leads.
Compared with the prior art the utility model discloses the beneficial effect who has is: the dust-proof assembly effectively solves the problem of dust pollution in the test process and eliminates the influence of the dust pollution on the health of the test personnel; weigh the setting of subassembly and make under the effect of control box through the screening the utility model discloses an automatic weigh and screening function has solved because of artifical manual screening and weigh hard problem consuming time.
To the technical scheme of the utility model, can also make further improvement.
Furthermore, a lifting drive is arranged on the base of the door-shaped frame, and a dust collecting disc is fixedly connected to the top of the lifting drive; the lifting drive is connected with the control box through a lead.
Furthermore, a compensation plate is arranged on the dust collection disc, a cylinder corresponding to the screening hole is arranged on the upper end face of the compensation plate, and the height of the cylinder is equal to the thickness of the bottom plate of the screening box. The compensation plate is connected with and separated from the screening box under the action of lifting drive. When the column bodies are connected, the column bodies are inserted into the corresponding screening holes, and the upper surfaces of the column bodies are aligned with the bottom surface of the screening box; during separation, a gap is formed between the cylinder and the lower surface of the bottom plate of the screening box.
Furthermore, a mounting groove is formed in the dust collecting plate, and a plug for positioning the compensation plate is arranged on one side, away from the sealing door, of the mounting groove; the compensating plate is inserted in the mounting groove and can be smoothly drawn out from the mounting groove.
Furthermore, the weighing plate and the screening box form a sliding connection structure with the sliding seat through a guide pillar; the guide posts are symmetrically arranged on two sides of the through hole on the weighing plate; the two sides of the screening box are symmetrically and fixedly connected with the sliding seats, and the sliding seats are respectively sleeved on the guide pillars on the corresponding sides.
Furthermore, the telescopic driving device is an electric push rod, and the head of the electric push rod is provided with an electromagnet. When the molded coal falls and is screened, the electric push rod is connected with the screening box in an adsorption way through the electromagnet; after the screening is finished, the electromagnet is powered off, and the electric push rod is disconnected with the screening box.
Furthermore, the pipe body for communicating the dust collector with the dust box adopts a flexible pipe; the dust collector adopts a box type dust collector.
Drawings
Fig. 1 is a front view and a sectional view of an embodiment of the present invention.
Fig. 2 is a perspective view of a dust removing assembly according to an embodiment of the present invention.
Fig. 3 is a perspective view of the main structure of the embodiment of the present invention.
Fig. 4 is a top view of the main structure according to the embodiment of the present invention.
Figure 5 is a schematic connection diagram and a partial cross-sectional view of an embodiment of the present invention showing the sieving and weighing assembly.
Fig. 6 is a schematic structural diagram of a dust collecting tray according to an embodiment of the present invention.
In the figure: a gantry 1; a base 2; a magazine 3; a control box 4; a fixed pulley 5; a rope distributor 6; a hoist 7; a dust removal assembly 8; a dust-proof box 8-1; a sealing door 8-1-1; a dust monitor 8-2; 8-3 of a pipe body; 8-4 of a dust collector; a mounting plate 9; a weighing sensor 10; a weighing plate 11; a through hole 11-1; a screening box 12; a screening aperture 12-1; a dust collection pan 13; a compensation plate 14; column 14-1; a lifting drive 15; a guide post 16; a slide carriage 17; an electromagnet 18; a telescopic drive 19; a support frame 20.
Detailed Description
The present invention will be described in detail with reference to the prior art, the accompanying drawings and the embodiments.
Firstly, the related prior art is introduced, and the briquette falling strength tester in the prior art mainly comprises a portal frame 1, a control box 4, a material box 3 and the like; and the two ends of the material box 3 are connected with the door-shaped frame 1 in a sliding manner, the top end of the door-shaped frame 1 is provided with two fixed pulleys 5, the upper end of a vertical column at one side of the door-shaped frame 1 is fixed with a rope distributor 6, the lower end close to the vertical column at the side is provided with a small-sized winch 7, the winch 7 is provided with a steel wire rope, the upper end of the steel wire rope is connected with one end of a buckle, the other end of the buckle is connected with two steel wire ropes, the two steel wire ropes respectively bypass the fixed pulleys 5 which are arranged at the top of the door-shaped frame 1 and on the left side and the right side of the material box 3 through the rope distributor 6, and. The material box 3 can slide up and down relative to the portal frame 1 under the action of the winch 7, the material box 3 slides to a position close to the top end of the portal frame 1 during the test, and the material box 3 slides down to a position suitable for charging during the charging. The bottom end of the portal frame 1 is fixed on the base 2, and the small-sized winch 7 is also arranged on the base 2 and is arranged on the base 2. Under the action of the control box 4, the material box 3 can correspondingly ascend or descend along with the action of the winch 7 by operating the corresponding button; and the bottom of the material box 3 can be opened by pressing a corresponding button in the control box 4, and the falling of the coal is finished.
Compared with the prior art the utility model discloses an innovation part has increased dust removal subassembly 8 on prior art's basis mainly, simultaneously, has set up the screening in door type frame 1 bottom and has weighed the subassembly.
The utility model provides a moulded coal intensity apparatus that falls still weighs subassembly etc. including dust removal subassembly 8 and screening.
The dust removal assembly 8 comprises a dust box 8-1, a dust monitor 8-2 and a dust collector 8-4; the dustproof box 8-1 is a rectangular box body with a sealing door 8-1-1 arranged on one side, and the door-shaped frame 1 is fixedly arranged in the dustproof box 8-1; the dust monitor 8-2 is fixedly arranged on the dustproof box 8-1; the dust collector 8-4 is communicated with the dust box 8-1 through a pipe body 8-3. The dust pollution problem in the test process is effectively solved by arranging the dust prevention assembly, and the influence on the health of the test personnel caused by the dust pollution is eliminated.
The screening and weighing assembly comprises a mounting plate 9, a weighing sensor 10, a weighing plate 11 and a screening box 12; the mounting plates 9 are symmetrically and fixedly connected to two sides of the door-shaped frame 1, and the weighing sensors 10 are respectively mounted above the two mounting plates 9; two ends of the weighing plate 11 are respectively connected above the weighing sensors 10 on the corresponding sides; through hole 11-1 is provided in weighing plate 11. The upper end of the screening box 12 is open, the lower end is provided with a bottom plate, and screening holes 12-1 are formed in the bottom plate; the screening box 12 is connected with the weighing plate 11 in a sliding mode, the screening box 12 is arranged at the through hole 11-1, and the lower surface of the bottom plate of the screening box 12 is located below the weighing plate 11; the outer wall of one side of the screening box 12 is connected with a telescopic drive 19, the telescopic drive 19 is fixedly arranged on a support frame 20, the support frame 20 is fixed on a bottom plate, and the action direction of the telescopic drive 19 is the same as the sliding direction of the screening box 12 relative to the weighing plate 11; the screening box 12 is arranged below the material box 3; the telescopic drive 19 and the weighing sensor 10 are respectively connected with the control box 4 through leads. Weigh the setting of subassembly and make under the effect of control box 4 through the screening the utility model discloses an automatic weigh and screening function has solved because of artifical manual screening and weigh hard problem consuming time.
The following describes preferred configurations that may be employed in practicing the present invention.
As a preferable structure, a lifting drive 15 is arranged on the base 2 of the door-shaped frame 1, and a dust collecting disc 13 is fixedly connected to the top of the lifting drive 15; the lifting drive 15 is connected with the control box 4 through a lead. The dust collection pan 13 is positioned directly below the screen weighing assembly and is positioned parallel to the weighing plate 11. Each side of the dust collection pan 13 is wider than the weighing plate 11.
The dust collecting tray 13 is arranged below the screening and weighing assembly and is used for collecting unqualified briquette fragments or briquette powder screened after falling of briquettes, and collection of screened crushed coal and pulverized coal is facilitated.
As a preferable structure, a compensation plate 14 is arranged on the dust collection tray 13, the upper end surface of the compensation plate 14 is provided with a column 14-1 corresponding to the screening hole 12-1, and the height of the column 14-1 is equal to the thickness of the bottom plate of the screening box 12. The compensation plate 14 completes the connection and separation with the screening box 12 under the action of the lifting drive 15. When connected, the columns 14-1 are inserted into the corresponding screening holes 12-1 and the upper sides of the columns 14-1 are aligned with the bottom surface of the screening box 12 (i.e., the upper side of the bottom plate of the screening box 12); during separation, the column 14-1 forms a gap with the lower surface of the bottom plate of the screening box 12, so that the screening box 12 completes screening action in the through hole 11-1 of the weighing plate 11 under the action of telescopic motion.
The compensation plate 14 is arranged on the dust collection plate 13, the main body arranged on the compensation plate 14 is inserted into the corresponding screening hole 12-1 under the action of the lifting drive 15, namely, the bottom plate of the screening box 12 is compensated into a non-porous flat plate, so that the influence of screen holes on falling and crushing of the molded coal is eliminated, and the original accuracy of a test result is kept.
As a preferable structure, a mounting groove is arranged on the dust collecting tray 13, and a plug for positioning the compensation plate 14 is arranged on one side of the mounting groove, which is far away from the sealing door 8-1-1; the compensation plate 14 is inserted into the mounting groove and can be smoothly drawn out from the mounting groove.
The compensation plate 14 is arranged to be independent of the dust collection disk 13 and to be of a detachable plug-in structure with the dust collection disk 13, so that the crushed coal and the pulverized coal can be taken out conveniently from the dust collection disk 13.
As a preferable structure, the weighing plate 11 and the screening box 12 form a sliding connection structure with a sliding seat 17 through a guide post 16; the guide posts 16 are symmetrically arranged on two sides of the through hole 11-1 on the weighing plate 11; the sliding seats 17 are symmetrically and fixedly connected to two sides of the screening box 12, and the sliding seats 17 are respectively sleeved on the guide pillars 16 on the corresponding sides. Guide post 16 is fixedly mounted to weigh plate 11 by a support bearing.
Preferably, the telescopic driver 19 is an electric push rod, and the head of the electric push rod is provided with an electromagnet 18. When the molded coal falls and is screened, the electric push rod is connected with the screening box 12 in an adsorption way through the electromagnet 18; after the screening is completed, the electromagnet 18 is powered off, and the electric push rod is disconnected from the screening box 12.
The use of an electric push rod for the telescopic drive 19 simplifies the complexity of the control system or program; the electromagnet 18 is used for separating the telescopic driving device 19 from the screening box 12 after screening is finished, so that the influence on the weighing sensor 10 caused by the connection of the telescopic driving device 19 and the screening box 12 is eliminated, and the weighing accuracy is ensured.
As a preferable structure, the pipe body 8-3 for communicating the dust collector 8-4 with the dust box 8-1 adopts a flexible pipe; the vacuum cleaner 8-4 adopts a box type vacuum cleaner.
The flexible pipe (such as an adjustable corrugated pipe and the like) is used as the pipe body 8-3 for connecting the dust collector 8-4 and the dust-proof box 8-1, so that the overall layout of the instrument is flexible and variable, and the overall layout of the instrument can be reasonably adjusted in a laboratory according to the layout condition in the laboratory.
To sum up, compared with the prior art, the utility model has the following advantages: the dust prevention assembly is added, so that the problem of dust emission during a briquette dropping test is effectively solved; the dust collector 8-4 communicated with the dust box 8-1 is arranged in the dust-proof component, so that dust in the dust box 8-1 can be rapidly collected in a short time, and the operation waiting time is reduced; the dust monitor 8-2 is arranged on the dust-proof box 8-1, so that the dust concentration in the equipment box body can be visually monitored, and the door opening time can be effectively mastered in real time; secondly, a screening and weighing assembly is arranged at the bottom of the door-shaped frame 1, and manual screening of test samples is replaced by arranging a screening box 12 and a telescopic drive 19, so that the screening process is clean and sanitary, and the working efficiency is improved; the link of manually weighing the test sample is omitted by arranging the weighing plate 11 and the weighing sensor 10, so that the working time is effectively saved.
Referring now to fig. 1-6, a preferred embodiment of the present invention will be described.
The preferred embodiment is that a dedusting assembly 8 is added on the basis of the prior art, a door-shaped frame 1 is placed in a dustproof box 8-1, the dustproof box 8-1 is communicated with a box type dust collector 8-4 which is convenient to move through a corrugated pipe, and a dust monitor 8-2 for monitoring the dust concentration in the dustproof box 8-1 is arranged on the dustproof box 8-1; and a lifting drive 15 is arranged on the base 2 of the door-shaped frame 1, a dust collecting disc 13 is arranged above the lifting drive 15, an installation groove is arranged on the dust collecting disc 13, a compensation plate 14 is inserted on the installation groove, and a column 14-1 matched with the screening hole 12-1 is arranged on the compensation plate 14. The installation mode and the lifting and discharging control method of the material box 3 are the same as the scheme adopted in the prior art, and are not described in detail.
Above the supplementary plate is arranged a sieving and weighing assembly provided with a counter plate, weighing sensors 10, weighing plates 11, sieving boxes 12, guide columns 16, slide carriages 17 and support bearings. Two mounting plates 9 are symmetrically welded on upright columns on two sides of the portal frame 1, weighing sensors 10 are respectively arranged on the mounting plates 9, and weighing plates 11 are arranged on the weighing sensors 10; the weighing plate 11 is provided with a through hole 11-1 for screening, two symmetrical guide posts 16 are respectively arranged at two sides corresponding to the upright post of the door frame 1 near the through hole 11-1, and the guide posts 16 are installed on the weighing plate 11 through support bearings. A slide seat 17 is arranged on the guide post 16, and the slide seats 17 are symmetrically and fixedly connected with the two sides of the screening box 12; a support frame 20 is arranged on the bottom plate opposite to and far away from the sealing door 8-1-1, an electric push rod is arranged on the support frame 20, and an electromagnet 18 is arranged on the electric push rod.
The control system of this embodiment is integrated in control box 4, and mainly be provided with reset button, start button, display screen and control circuit etc. in control box 4, the display is used for showing the numerical value that dust detector and weighing sensor 10 gathered. The lifting drive 15, the electric push rod, the weighing sensor 10 (the gravity type weighing sensor 10 is adopted in the embodiment) and the dust monitor 8-2 of the embodiment are all connected with the control box 4, and realize corresponding functions under the action of the control circuit.
The method for testing the falling strength of the molded coal by using the embodiment of the utility model is as follows.
Step one, a reset button in a control box 4 is pressed, so that each part of the embodiment of the utility model is in a reset state; in a reset state, the material box 3 is at the feeding height, the electromagnet 18 is electrified and is connected with the screening box 12 in a telescopic driving mode 19, and the screening box 12 is located right below the material box 3; at this time, the dust collecting tray 13 is connected with the bottom of the screening box 12 under the action of the lifting drive 15, i.e. the columns 14-1 on the compensation plate 14 are inserted into the corresponding screening holes 12-1.
Step two, opening a sealing door 8-1-1, putting the prepared clean briquettes in a material box 3, and closing the sealing door 8-1-1; by pressing the start button, magazine 3 is raised to a defined drop height (the drop height is typically the distance from the bottom of magazine 3 to 2m above the bottom of screening magazine 12).
And step three, after the material box 3 rises to the blanking height of the specified height, the bottom of the material box 3 is automatically opened, meanwhile, the dust collector 8-4 is started, and the briquettes fall into the screening box 12 from the material box 3.
Step four, after the briquettes fall into the screening box 12, the lifting drive 15 drives the dust collecting tray 13 and the compensating plate 14 to descend until the cylinder of the compensating plate 14 is completely separated from the screening hole 12-1; the telescopic driving device 19 is started and drives the screening box 12 to screen (namely, to do reciprocating linear motion) in the through hole 11-1 of the weighing plate 11, after the screening lasts for a preset time, the screening motion is stopped, the screening box 12 is reset, and at the moment, the electromagnet 18 is powered off, and the telescopic driving device 19 is separated from the screening box 12.
Step five, after the actions are finished, the dust collector 8-4 still keeps running until the value of the dust concentration on the display screen of the dust monitor 8-2 is recovered to the normal state, then the dust collector 8-4 stops running, and the value of the weighing sensor 10 on the display screen of the control box 4 (namely the coal blocks which are in line with the regulations in the screening box 12) is recorded at the moment; opening the sealing door 8-1-1, and respectively taking out the coal blocks in the screening box 12 and the crushed coal blocks and the coal powder on the dust collecting tray 13; taking the extracted crushed coal blocks as experimental objects, and repeating the steps from one step to five.
And step six, after repeating the steps from the step one to the step five for a specified number of times (generally not less than 3 times), calculating corresponding numerical values according to a specified algorithm, and then completing the test.
In this document, reference to "coal" refers to clean briquettes.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (7)
1. The utility model provides a moulded coal intensity of falling apparatus, includes door type frame, control box and magazine, the magazine is connected can slide from top to bottom by door type frame relatively on the door type frame and under the effect of hoist engine, and the magazine slides to being close to door type frame top department during the experiment, and the magazine glides to the position department that is fit for feeding during the feeding, its characterized in that: the device also comprises a dust removal component and a screening and weighing component;
the dust removal assembly comprises a dust prevention box, a dust monitor and a dust collector; the dustproof box is a rectangular box body with a sealing door arranged on one side, and the door-shaped frame is fixedly arranged in the dustproof box; the dust monitor is fixedly arranged on the dustproof box; the dust collector is communicated with the dust prevention box through a pipe body;
the screening and weighing assembly comprises a mounting plate, a weighing sensor, a weighing plate and a screening box; the mounting plates are symmetrically and fixedly connected to two sides of the door-shaped frame, and the weighing sensors are respectively mounted above the two mounting plates; two ends of the weighing plate are respectively connected above the weighing sensors on the corresponding sides; the weighing plate is provided with a through hole;
the upper end of the screening box is open, the lower end of the screening box is provided with a bottom plate, and screening holes are formed in the bottom plate; the screening box is connected with the weighing plate in a sliding manner and is arranged at the through hole; the outer wall of one side of the screening box is connected with a telescopic drive, and the action direction of the telescopic drive is the same as the sliding direction of the screening box relative to the weighing plate; the screening box is arranged below the material box; the telescopic driving and weighing sensor are respectively connected with the control box through leads.
2. The briquette falling strength measuring instrument according to claim 1, characterized in that: a lifting drive is arranged on the bottom plate of the door-shaped frame, and a dust collecting disc is fixedly connected to the top of the lifting drive; the lifting drive is connected with the control box through a lead.
3. The briquette falling strength measuring instrument according to claim 2, characterized in that: the dust collecting tray is provided with a compensating plate, the upper end face of the compensating plate is provided with a cylinder corresponding to the screening hole, and the height of the cylinder is equal to the thickness of the bottom plate of the screening box.
4. The briquette falling strength measuring instrument according to claim 3, characterized in that: the dust collecting plate is provided with a mounting groove, and one side of the mounting groove, which is far away from the sealing door, is provided with a plug for positioning the compensating plate; the compensating plate is inserted in the mounting groove and can be smoothly drawn out from the mounting groove.
5. The briquette falling strength measuring instrument according to claim 1, characterized in that: the weighing plate and the screening box form a sliding connection structure with the sliding seat through the guide pillar; the guide posts are symmetrically arranged on two sides of the through hole on the weighing plate; the two sides of the screening box are symmetrically and fixedly connected with the sliding seats, and the sliding seats are respectively sleeved on the guide pillars on the corresponding sides.
6. A falling strength tester for briquettes according to any of claims 1 to 4, characterized in that: the telescopic driving device is an electric push rod, and the head of the electric push rod is provided with an electromagnet.
7. The briquette falling strength measuring instrument according to claim 1, characterized in that: the pipe body for communicating the dust collector with the dust box is a flexible pipe; the dust collector adopts a box type dust collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922621.6U CN212432769U (en) | 2020-05-27 | 2020-05-27 | Briquette falling strength tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922621.6U CN212432769U (en) | 2020-05-27 | 2020-05-27 | Briquette falling strength tester |
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| Publication Number | Publication Date |
|---|---|
| CN212432769U true CN212432769U (en) | 2021-01-29 |
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| CN202020922621.6U Active CN212432769U (en) | 2020-05-27 | 2020-05-27 | Briquette falling strength tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474048A (en) * | 2020-05-27 | 2020-07-31 | 丰宁满族自治县万泰能源科技有限公司 | Briquette falling strength tester |
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- 2020-05-27 CN CN202020922621.6U patent/CN212432769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474048A (en) * | 2020-05-27 | 2020-07-31 | 丰宁满族自治县万泰能源科技有限公司 | Briquette falling strength tester |
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