CN202201518U - Pebble coal sealing and discharging device - Google Patents
Pebble coal sealing and discharging device Download PDFInfo
- Publication number
- CN202201518U CN202201518U CN2011202551176U CN201120255117U CN202201518U CN 202201518 U CN202201518 U CN 202201518U CN 2011202551176 U CN2011202551176 U CN 2011202551176U CN 201120255117 U CN201120255117 U CN 201120255117U CN 202201518 U CN202201518 U CN 202201518U
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- sealing
- stone coal
- valve
- seal casing
- tapping equipment
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Abstract
The utility model discloses a pebble coal discharging mechanism of a coal mill and particularly relates to a pebble coal sealing and discharging device. The pebble coal sealing and discharging device comprises a pebble coal feeding port and a sealed box which are connected by the aid of a conveying pipeline, the conveying pipeline is provided with a primary turn-off valve and a secondary turn-off valve, a storage and transport cabin is arranged at the lower end of a sealing device, a weighing device is arranged at the lower end of the storage and transport cabin, the outlet of the lower end of the sealed box is connected with a telescopic joint, an air cylinder capable of controlling the telescopic joint to move telescopically is arranged on the sealed box, and when the telescopic joint moves downwards, the edge of the lower opening of the telescopic joint hermetically contacts with the edge of a collecting port of the storage and transport cabin by the aid of a sealing part. By means of the above structure, the entire slag discharging process can be completed under the fully sealing condition, and dust and powder ejecting are avoided. By means of a hermetical-discharging device and negative pressure and water spraying treatment, splashing and spontaneous combustion of coal gangue can be further eliminated. Meanwhile, a bearing force sensor is mounted, and the problem of accumulation of pebble coal is thoroughly solved. Dumping is realized by a special forklift without labor treatment, so that labor force output is reduced.
Description
Technical field
The utility model relates to a kind of coal mill stone coal discharging mechanism, especially a kind of stone coal sealing tapping equipment.
Background technology
In thermal power generation corporations, medium-speed pulverizer is widely used in more than 300,000 kilowatts in the generator set, in the medium-speed pulverizer system of the existing operation of China; The discharging of stone coal is the largest source that causes coal mill workshop dust pollution all the time, has seriously disturbed the power plant to carry out production strictly in line with rules and regulations, and stone coal tapping equipment of the prior art still adopts direct open discharge mostly; Because the stone coal contains dust and coal dust, slag tap and transport on-the-spot dust from flying in the discharge process, field apparatus and working environment there are serious harm; Cause site environment to pollute, influence the plant environment health, the while has also been caused very big harm to field man healthy; When adopting artificial deslagging, because stone coal and removing slag amount is big, labour intensity is big; Artificial deslagging also can't shift the stone coal rapidly, influences the normal operation of coal mill.
Summary of the invention
The technical matters that the utility model will solve provides a kind of good sealing effect, effectively reduces environmental pollution, and unfailing performance is high, the stone coal sealing tapping equipment of convenient discharging stone coal.
In order to solve the problems of the technologies described above; The stone coal of the utility model sealing tapping equipment comprises that the stone coal falls mouthful and seal casing; The stone coal falls mouthful and seal casing links together through delivery duct, and pipeline is provided with shut-off valve and secondary shut-off valve, and the below of seal casing is provided with movably accumulating storehouse; The below in accumulating storehouse is provided with weighting apparatus; The exit, lower end of seal casing is connected with slip joint, also is provided with the cylinder of control slip joint fore and aft motion on the seal casing, and the edge of its lower ending opening was through the material receiving port edge sealing contact in sealing member and accumulating storehouse when slip joint moved down.
Be provided with spray equipment in the said seal casing, said spray equipment comprises external water pipe, and the bottom of said external water pipe is provided with nozzle, and said nozzle stretches in the little storehouse of accumulating.
Said nozzle can be swivel nozzle.
The top of said seal casing is provided with blow off valve and exhaust gas filter cloth bag.
Said pipeline comprises the vertical section of vertical setting and from the horizontal by 45 ° of tilting sections of spending angles, a said shut-off valve is arranged on the vertical section, and the secondary shut-off valve is arranged on the tilting section.
Said accumulating also is equipped with the bearing capacity inductor under the storehouse.
Said accumulating storehouse can be set to more than one.
After adopting above-mentioned structure; Changed original uncovered collection stone coal phenomenon; Through seal casing is set; The little storehouse of accumulating is moved to when making that the little storehouse of seal casing and accumulating sealing joint cooperates below the seal casing, and whole tapping process can carry out under the condition of complete closed, thereby can avoid the dust raising phenomenon in the tapping process; In order to guarantee the phenomenon of dusting not occur when system sealing breaks off, the top of seal casing is provided with blow off valve and exhaust gas filter cloth bag.Need not driven by power through seal casing top stream injection negative pressure device, utilize on-the-spot pressurized air can produce powerful negative pressure effect, guaranteed the reliability of whole system.According to part power plant stone coal dieseling is arranged; The spray equipment that is provided with; Not only can further eliminate dust raising phenomenon through water spray, and can avoid the generation of spoil dieseling, employing sealing slag-draining device adds negative pressure and sprays water and handle; Stopped to drift along before dreg discharging box is being removed below sealing arrangement generation with the gangue dieseling, also just not worrying transporting in the process of dreg discharging box can airborne dust or the equipment of the periphery that ignites; Simultaneously under the little storehouse of accumulating, the bearing capacity inductor is installed,, Realtime Level is accurately shown and issues system's control housing, in time the stone coal is toppled over processing, thoroughly avoid the stone dump to amass problem through four unification Wiring modules.The little storehouse of accumulating of filling the stone coal can be toppled over through special-purpose fork truck does not need artificial treatment.To the open manual emission of holding tank transition system, system can reduce the dust pollution more than 95%, reduces by 85% labour power output.And improved stone coal tapping equipment possesses the high-precision measuring facility, promptly can accomplish far and near to report to the police apart from material level, can also accumulate coal mill stone coal hourly quantity discharged, thereby help effectively judging coal mill dynamic and static ring running state.
Description of drawings
Fig. 1 is the structural representation of the utility model stone coal sealing tapping equipment;
Fig. 2 is the storage and transportation apparatus scheme drawing of the utility model stone coal sealing tapping equipment.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment, the utility model stone coal sealing tapping equipment is done further explain.
As shown in Figure 1; The stone coal of the utility model sealing tapping equipment, comprise the stone coal fall mouthful 1 with seal casing 2, the stone coal falls and mouthful 1 links together through delivery duct 3 with seal casing 2; Pipeline 3 is provided with shut-off valve 4 and secondary shut-off valve 5; Pipeline 3 comprises the vertical section of vertical setting and from the horizontal by 45 ° of tilting sections of spending angles, No. one time shut-off valve 4 is arranged on the vertical section, and secondary shut-off valve 5 is arranged on the tilting section.The lower end of sealing arrangement is provided with accumulating storehouse 6; The accumulating storehouse can be set to more than one, and the lower end in accumulating storehouse is provided with electronic weighing device 7, and bearing capacity inductor (not shown) also is installed under the little storehouse of accumulating; Through four unification Wiring modules; Realtime Level is accurately shown and issues system's control housing, in time the stone coal is toppled over processing, thoroughly avoid the stone dump to amass problem.The exit, lower end of seal casing 2 is connected with slip joint 9; Captive joint with the bottom of seal casing 2 in the upper end of slip joint 9; The edge of opening of slip joint 9 lower ends is provided with sealing member 8 and connects; Also be provided with the cylinder 10 of control slip joint 9 fore and aft motion on the seal casing 2, its lower ending opening was through the material receiving port edge sealing contact of sealing member 8 with accumulating storehouse 6 when slip joint moved down.
As shown in Figure 2; Basis that can also said apparatus in the seal casing 2 of the utility model stone coal sealing tapping equipment is provided with spray equipment; Spray equipment comprises external water pipe 11; The bottom of external water pipe is provided with nozzle 12, and nozzle 12 stretches in the little storehouse 6 of accumulating, and nozzle can be set to swivel nozzle.When using the utility model stone coal sealing tapping equipment, can further eliminate dust raising phenomenon through the spray equipment water spray, and can avoid the generation of spoil dieseling.
The top of above-mentioned seal casing 2 is provided with blow off valve 13 and exhaust gas filter cloth bag 14.Need not driven by power through seal casing 2 top stream injection negative pressure devices, utilize on-the-spot pressurized air can produce powerful negative pressure effect, guaranteed the reliability of package unit.
Workflow:
When coal mill is equipped with an accumulating storehouse 6, after stone coal trunkful is reported to the police, closing appliance secondary shut-off valve 5; Carry out the overbottom pressure in the aspirator through seal casing 2 top stream injection negative pressure devices, it is up to start hydraulic push rod, makes sealing member 8 break away from accumulating storehouse 6 material receiving ports; After the playback of accumulating storehouse; Again pinch-off seal is opened the secondary shut-off valve, gets into secondary stone coal collecting flow process.
When every coal mill is equipped with two accumulating storehouses, after first stone coal trunkful is reported to the police, closing appliance secondary shut-off valve 5; Carry out the overbottom pressure in the aspirator through seal casing 2 top stream injection negative pressure devices, it is up to start hydraulic push rod, makes sealing member 8 break away from accumulating storehouse 6 material receiving ports; After changing accumulating storehouse 6; Again pinch-off seal is opened the secondary shut-off valve, gets into secondary stone coal collecting flow process.
Claims (7)
1. a stone coal seals tapping equipment; Comprise stone coal fall mouthful (1) and a seal casing (2); The stone coal falls mouthful (1) and seal casing (2) links together through delivery duct (3); Pipeline (3) is provided with a shut-off valve (4) and secondary shut-off valve (5), and the lower end of sealing arrangement is provided with accumulating storehouse (6), and the below in accumulating storehouse is provided with weighting apparatus (7); It is characterized in that: the exit, lower end of seal casing (2) is connected with slip joint (9); Also be provided with the cylinder (10) of control slip joint fore and aft motion on the seal casing (2), when slip joint moved down, slip joint lower ending opening edge can pass through the material receiving port edge sealing contact in sealing member (8) and accumulating storehouse.
2. according to the described stone coal sealing of claim 1 tapping equipment; It is characterized in that: be provided with spray equipment in the said seal casing 2; Said spray equipment comprises and is provided with external water pipe (11) in the seal casing (2); The bottom of said external water pipe is provided with nozzle (12), and said nozzle (12) stretches in the accumulating storehouse (6).
3. according to the described stone coal sealing of claim 2 tapping equipment, it is characterized in that: said nozzle is a swivel nozzle.
4. according to the described stone coal sealing of claim 1 tapping equipment, it is characterized in that: the top of said seal casing is provided with blow off valve (13) and exhaust gas filter cloth bag (14).
5. according to the described stone coal sealing of claim 1 tapping equipment; It is characterized in that: said pipeline (3) comprise vertical setting vertical section and from the horizontal by 45 ° the degree angles tilting sections; A said shut-off valve (4) is arranged on the vertical section, and secondary shut-off valve (5) is arranged on the tilting section.
6. according to the described stone coal sealing of claim 1 tapping equipment, it is characterized in that: under the said accumulating storehouse (6) the bearing capacity inductor is installed also.
7. according to the described stone coal sealing of claim 1 tapping equipment, it is characterized in that: said accumulating storehouse (6) has a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202551176U CN202201518U (en) | 2011-07-19 | 2011-07-19 | Pebble coal sealing and discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202551176U CN202201518U (en) | 2011-07-19 | 2011-07-19 | Pebble coal sealing and discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201518U true CN202201518U (en) | 2012-04-25 |
Family
ID=45965652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202551176U Expired - Fee Related CN202201518U (en) | 2011-07-19 | 2011-07-19 | Pebble coal sealing and discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201518U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284341A (en) * | 2011-07-19 | 2011-12-21 | 江苏威宇电力设备有限公司 | Seal pebble coal discharge device |
| CN102658981A (en) * | 2012-05-15 | 2012-09-12 | 北京嘉博文生物科技有限公司 | Addition material transport cart |
| CN102942071A (en) * | 2012-12-05 | 2013-02-27 | 江苏中能电力设备有限公司 | High efficient and environment-friendly pebble coal full-sealing discharge device |
-
2011
- 2011-07-19 CN CN2011202551176U patent/CN202201518U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284341A (en) * | 2011-07-19 | 2011-12-21 | 江苏威宇电力设备有限公司 | Seal pebble coal discharge device |
| CN102658981A (en) * | 2012-05-15 | 2012-09-12 | 北京嘉博文生物科技有限公司 | Addition material transport cart |
| CN102942071A (en) * | 2012-12-05 | 2013-02-27 | 江苏中能电力设备有限公司 | High efficient and environment-friendly pebble coal full-sealing discharge device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140719 |
|
| EXPY | Termination of patent right or utility model |