CN210497207U - Screening plant for fuel particle size detection - Google Patents
Screening plant for fuel particle size detection Download PDFInfo
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- CN210497207U CN210497207U CN201921513070.1U CN201921513070U CN210497207U CN 210497207 U CN210497207 U CN 210497207U CN 201921513070 U CN201921513070 U CN 201921513070U CN 210497207 U CN210497207 U CN 210497207U
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- screen cloth
- weighing
- particle size
- sieve case
- landing leg
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Abstract
The utility model belongs to the technical field of fuel detection device, concretely relates to screening plant is used in fuel particle size detection, including screening mechanism and weighing machine structure, screening mechanism includes sieve case and screen cloth, the screen cloth is equipped with the multilayer and can dismantle the connection in the sieve incasement, the multilayer screen cloth is parallel, the slope sets up, and the aperture of upper screen cloth is greater than the aperture of lower floor's screen cloth, the bottom plate and the screen cloth parallel arrangement of sieve case, sieve case lateral part is equipped with respectively with the corresponding discharging pipe of the lower extreme of screen cloth and bottom plate, the lower extreme of bottom plate is equipped with the motor of shaking, the bottom of sieve case is equipped with the landing leg, weighing machine constructs including weight box and weighing frame, the bottom of weighing frame is connected with the weight box, be equipped with a plurality of platforms of weighing on the weighing frame, every bench of weighing all is equipped with the electronic scale, the activity has been placed on the. The device has the advantages of convenient sampling, high screening efficiency, flexible movement, and convenient and quick on-site screening and comparison of fuel entering the furnace.
Description
Technical Field
The utility model belongs to the technical field of fuel detection device, specifically relate to a fuel particle size detects uses screening plant.
Background
During combustion operation of the high-low mixed flow velocity circulating fluidized bed boiler, strict requirements are placed on the screening proportion of fuel granularity, the equivalent diameter of fuel particles is not allowed to be larger than 13mm, the proportion of large particles of 10-13 mm is not more than 5%, and the proportion of particles below 3mm is required to be more than 50%. Once the fuel granularity is not controlled in place, combustion abnormity can be caused, and the combustion efficiency and safe and stable operation of the unit are influenced. For this reason, the detection of the particle size of the fuel is an important means for ensuring the quality of the fire coal. However, in the prior art, the screening of fire coal is detected, usually by the on-the-spot sample of coal quality inspection personnel, bring back to the laboratory and sieve with different screen cloth, weigh the calculation respectively after the screening, in order to guarantee the accuracy of sample, sample weight will guarantee more than 5kg each time, sample intensity of labour is big, detection efficiency is low, often before the testing result feedback comes out, fuel has got into furnace burning in a large number to boiler operation's stability, security and economic nature have been reduced.
Therefore, need for a high-efficient, convenient fuel particle size to detect and use screening plant, the contrast is sieved to the fuel of going into the stove to the scene is convenient, quick, convenient in time strengthens fuel regulation and control and operation adjustment to improve security, stability and the economic nature of boiler operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, the utility model provides a screening device for detecting fuel particle size, which comprises a screening mechanism and a weighing mechanism, wherein the screening mechanism comprises a screen box and a screen, the screen is provided with a plurality of layers and is detachably connected in the screen box, the plurality of layers of screens are arranged in parallel and obliquely, the aperture of the upper layer of screen is larger than that of the lower layer of screen, the bottom plate of the screen box is arranged in parallel with the screen, the side part of the screen box is provided with discharge pipes corresponding to the lower ends of the screen and the bottom plate respectively, the lower end of the bottom plate is also provided with a rapping motor, the bottom of the screen box is provided with support legs, the weighing mechanism comprises a weight box and a weighing frame, the bottom of the weighing frame is connected with the weight box, the weighing frame is provided with a plurality of weighing platforms, each weighing platform is provided with an electronic scale, and a material receiving barrel, the material receiving barrels are arranged below the material discharging pipes in a one-to-one correspondence mode.
Preferably, the top of sieve case articulates there is the screen cover, when opening the screen cover, can be with the screen cover overlap joint and do the swift current flitch use on going into the stove belt, and convenient quick sample also is used for closing after the sample is ended, reduces the raise dust of screening in-process, improves the operation environment.
Preferably, the landing leg includes landing leg, lower landing leg and spring, go up the landing leg top and be connected with the sieve case, the bottom is equipped with the inserted bar, the top of landing leg is equipped with the spring groove down, spring groove central authorities are equipped with inserted bar assorted jack, the inserted bar is inserted and is located in the jack, the spring housing is established on the inserted bar, just spring and spring groove phase-match are convenient for strengthen the vibration of sieve case, improve screening efficiency.
Preferably, the bottom of lower landing leg and weight box all is equipped with the gyro wheel of taking the service brake, just it has the connecting rod to articulate on the lower landing leg, the one end that its hinged end was kept away from to the connecting rod is equipped with the bayonet lock, be equipped with on the weight box with bayonet lock assorted snap ring, one side that the discharging pipe was kept away from to the sieve case still is equipped with push-and-pull handle. Through the setting of connecting rod, snap ring, gyro wheel and push-and-pull handle, be convenient for after the fuel screening, remove screening mechanism and weighing machine structure and link into an organic whole through connecting rod and snap ring, improved the mobility and the flexibility of device.
Preferably, connect the storage bucket to be the back taper form, and connect the top of storage bucket to be equipped with the handle, conveniently connect the material and fall the material after weighing.
Preferably, guard rails are arranged on the periphery of the weighing platform, so that the material receiving barrel is prevented from being laterally turned due to impact of materials when receiving the materials, and the reliability of the device is ensured.
Preferably, be equipped with the battery in the weight box, the battery is connected with rapping motor and electronic scale electricity respectively, has further guaranteed the flexibility and the practicality of device.
Preferably, the sieve incasement is equipped with and holds in the palm with screen cloth assorted net, the net holds in the palm and passes through bolted connection with the screen cloth, makes things convenient for the maintenance of screen cloth.
The utility model discloses still including enabling the other subassemblies of a fuel particle size detection with screening plant normal use, be the conventional technical means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.
The utility model discloses an operating principle is, select suitable screen cloth according to the granularity screening standard of fuel, from the top down, arrange the screen cloth in proper order at the sieve incasement according to the aperture from big to little, under the drive of the motor of shaking, the fuel is weighed through the electronic scale in being sent into each the bench material receiving bucket of weighing through each discharging pipe with the interval fuel of different granularity by the quick screening, the device can directly set up at height, between the coal feeding of low mixed flow velocity circulating fluidized bed boiler, convenient sample and screening are weighed, high work efficiency.
The beneficial effects of the utility model are that, this device sample is convenient, the screening is high-efficient, remove in a flexible way, and the contrast is sieved to income stove fuel to the scene of being convenient for is convenient, quick, is favorable to in time to strengthen fuel regulation and control and operation adjustment to improve security, stability and the economic nature of boiler operation.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of the structure of the portion G in fig. 1.
Fig. 3 is an enlarged schematic view of the H-section structure of fig. 1.
In the figure: 1. the automatic weighing machine comprises a screen box, 1-1 parts of a screen cover, 2 parts of a screen, 3 parts of a discharge pipe, 4 parts of a vibrating motor, 5 parts of a weight box, 5-1 parts of a storage battery, 6 parts of a weighing frame, 7 parts of a weighing platform, 7-1 parts of a protective guard, 8 parts of an electronic scale, 9 parts of a material receiving barrel, 9-1 parts of a handle, 10 parts of an upper supporting leg, 10-1 parts of an inserting rod, 11 parts of a lower supporting leg, 11-1 parts of a spring groove, 11-2 parts of a connecting rod, 12 parts of a spring, 13 parts of a roller and 14 parts of a push.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in figures 1-3, the utility model provides a fuel particle size detects uses screening plant, including screening mechanism and weighing mechanism, screening mechanism includes sieve case 1 and screen cloth 2, screen cloth 2 is equipped with the multilayer and can dismantle and connect in sieve case 1, multilayer screen cloth 2 is parallel, the slope sets up, and the aperture of upper screen cloth is greater than the aperture of lower floor's screen cloth, the bottom plate of sieve case 1 is parallel with screen cloth 2, the side of sieve case 1 is equipped with respectively with the corresponding discharging pipe 3 of the lower extreme of screen cloth 2 and bottom plate, the lower extreme of bottom plate still is equipped with rapping motor 4, the bottom of sieve case 1 is equipped with the landing leg, weighing mechanism includes weight box 5 and weighing frame 6, the bottom of weighing frame 6 is connected with weight box 5, be equipped with a plurality of weighing platforms 7 on weighing frame 6, be equipped with electronic scale 8 on every weighing platform 7, the material receiving barrels 9 are movably placed on the electronic scales 8, and the material receiving barrels 9 are arranged below the discharge pipes 3 in a one-to-one correspondence mode.
The top of the sieve box 1 is hinged with a sieve cover 1-1, when the sieve cover 1-1 is opened, the sieve cover 1-1 can be lapped on a belt entering a furnace to be used as a material sliding plate, so that the quick sampling is convenient, and the sieve box is also used for being closed after the sampling is finished, thereby reducing dust in the screening process and improving the operating environment.
The support legs comprise upper support legs 10, lower support legs 11 and springs 12, the top ends of the upper support legs 10 are connected with the screen box 1, inserting rods 10-1 are arranged at the bottom ends of the upper support legs, spring grooves 11-1 are formed in the top ends of the lower support legs 11, inserting holes matched with the inserting rods 10-1 are formed in the centers of the spring grooves 11-1, the inserting rods 10-1 are inserted into the inserting holes, the springs 12 are sleeved on the inserting rods 10-1, and the springs 12 are matched with the spring grooves 11-1, so that vibration of the screen box 1 is enhanced conveniently, and screening efficiency is improved.
The bottom of the lower supporting leg 11 and the bottom of the weight box 5 are both provided with rolling wheels 13 with foot brakes, the lower supporting leg 11 is hinged with a connecting rod 11-2, one end of the connecting rod 11-2, far away from the hinged end, is provided with a clamping pin, the weight box 5 is provided with a clamping ring matched with the clamping pin, and one side of the sieve box 1, far away from the discharge pipe 3, is also provided with a push-pull handle 14. Through the arrangement of the connecting rod 11-2, the clamping ring, the roller 13 and the push-pull handle 14, the sieving mechanism and the weighing mechanism are connected into a whole through the connecting rod 11-2 and the clamping ring to move after the fuel sieving is finished, and the mobility and the flexibility of the device are improved.
The receiving barrel 9 is in an inverted cone shape, and a handle 9-1 is arranged at the top of the receiving barrel 9, so that material receiving and weighing are facilitated.
Guard rails 7-1 are arranged on the periphery of the weighing platform 7, so that the material receiving barrel 9 is prevented from turning over due to impact of materials when receiving materials, and the reliability of the device is ensured.
The storage battery 5-1 is arranged in the weight box 5, and the storage battery 5-1 is respectively and electrically connected with the rapping motor 4 and the electronic scale 8, so that the flexibility and the practicability of the device are further ensured.
The sieve box 1 is internally provided with a net support matched with the screen 2, and the net support is connected with the screen 2 through a bolt, so that the screen is convenient to overhaul and maintain.
The utility model discloses an operating principle is, select suitable screen cloth 2 according to the granularity screening standard of fuel, from the top down, arrange screen cloth 2 in proper order at sieve case 1 according to the aperture from big to little, under the drive of beating motor 4, the fuel is sieved fast and send into the fuel of different granularity intervals into each through each discharging pipe 3 and weigh through electronic scale 8 in the material receiving barrel 9 on the platform 7 of weighing respectively, the device can directly set up at height, between the coal feeding of low mixed velocity of flow circulating fluidized bed boiler, make things convenient for the sample and sieve to weigh, high work efficiency.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (8)
1. The utility model provides a fuel particle size detects uses screening plant, includes screening mechanism and weighing machine structure, its characterized in that: screening mechanism includes sieve case and screen cloth, the screen cloth is equipped with the multilayer and can dismantle the connection at the sieve incasement, the multilayer screen cloth is parallel, the slope sets up, and the aperture of upper screen cloth is greater than the aperture of lower floor's screen cloth, the bottom plate and the screen cloth parallel arrangement of sieve case, sieve case lateral part is equipped with respectively with the corresponding discharging pipe of the lower extreme of screen cloth and bottom plate, the lower extreme of bottom plate still is equipped with shakes and beats the motor, the bottom of sieve case is equipped with the landing leg, weighing mechanism includes weight box and weighing rack, weighing rack's bottom is connected with the weight box, be equipped with a plurality of platforms of weighing on the weighing rack, every is weighed and all is equipped with the electronic scale on the platform, the activity has been placed on the electronic scale and has connect the storage bucket, connect storage bucket one-to.
2. The fuel particle size detection screening device according to claim 1, wherein: the top of sieve case articulates there is the sieve lid.
3. The fuel particle size detection screening device according to claim 1, wherein: the landing leg includes landing leg, lower landing leg and spring, go up the landing leg top and be connected with the sieve case, the bottom is equipped with the inserted bar, the top of landing leg is equipped with the spring groove down, spring groove central authorities are equipped with inserted bar assorted jack, the inserted bar is inserted and is located in the jack, the spring housing is established on the inserted bar, just spring and spring groove phase-match.
4. The fuel particle size detection screening device according to claim 3, wherein: the bottom of lower landing leg and weight box all is equipped with the gyro wheel of taking the service brake, just it has the connecting rod to articulate on the lower landing leg, the one end that its hinged end was kept away from to the connecting rod is equipped with the bayonet lock, be equipped with on the weight box with bayonet lock assorted snap ring, one side that the discharging pipe was kept away from to the sieve case still is equipped with push-and-pull handle.
5. The fuel particle size detection screening device according to claim 1, wherein: the material receiving barrel is in an inverted cone shape, and a handle is arranged at the top of the material receiving barrel.
6. The fuel particle size detection screening device according to claim 5, wherein: guard rails are arranged around the weighing platform.
7. The fuel particle size detection screening device according to claim 1, wherein: and a storage battery is arranged in the weight box and is respectively and electrically connected with the rapping motor and the electronic scale.
8. The fuel particle size detection screening device according to claim 1, wherein: the screen box is internally provided with a net support matched with the screen, and the net support is connected with the screen through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513070.1U CN210497207U (en) | 2019-09-12 | 2019-09-12 | Screening plant for fuel particle size detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921513070.1U CN210497207U (en) | 2019-09-12 | 2019-09-12 | Screening plant for fuel particle size detection |
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| Publication Number | Publication Date |
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| CN210497207U true CN210497207U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921513070.1U Active CN210497207U (en) | 2019-09-12 | 2019-09-12 | Screening plant for fuel particle size detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024401A (en) * | 2020-08-20 | 2020-12-04 | 方家铺子食品有限公司 | Granular dry goods screening machine with stepless transformation of screen holes |
| CN112024372A (en) * | 2020-08-20 | 2020-12-04 | 方家铺子食品有限公司 | Many functions are dry goods sieving mechanism with multistage screen cloth |
| CN115372208A (en) * | 2021-05-18 | 2022-11-22 | 宝武碳业科技股份有限公司 | On-line detection system and detection method for coke granularity |
-
2019
- 2019-09-12 CN CN201921513070.1U patent/CN210497207U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024401A (en) * | 2020-08-20 | 2020-12-04 | 方家铺子食品有限公司 | Granular dry goods screening machine with stepless transformation of screen holes |
| CN112024372A (en) * | 2020-08-20 | 2020-12-04 | 方家铺子食品有限公司 | Many functions are dry goods sieving mechanism with multistage screen cloth |
| CN112024372B (en) * | 2020-08-20 | 2021-08-31 | 方家铺子食品有限公司 | Many functions are dry goods sieving mechanism with multistage screen cloth |
| CN115372208A (en) * | 2021-05-18 | 2022-11-22 | 宝武碳业科技股份有限公司 | On-line detection system and detection method for coke granularity |
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