CN202741225U - Totally-enclosed discharge device for pebble coal of medium-speed coal pulverizer - Google Patents
Totally-enclosed discharge device for pebble coal of medium-speed coal pulverizer Download PDFInfo
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- CN202741225U CN202741225U CN 201220245008 CN201220245008U CN202741225U CN 202741225 U CN202741225 U CN 202741225U CN 201220245008 CN201220245008 CN 201220245008 CN 201220245008 U CN201220245008 U CN 201220245008U CN 202741225 U CN202741225 U CN 202741225U
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- pebble coal
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- pebble
- coal
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Abstract
The utility model discloses a totally-enclosed discharge device for pebble coal of a medium-speed coal pulverizer. The totally-enclosed discharge device comprises a material-guiding variable-diameter connecting pipe, a maintenance airtight cabin, a pebble coal speculum transfer box and an electric control cabinet, wherein the front end of the material-guiding variable-diameter connecting pipe is connected with the pebble coal outlet of the medium-speed coal pulverizer, and the tail end of the material-guiding variable-diameter connecting pipe is connected with the maintenance airtight cabin; the maintenance airtight cabin is connected with the pebble speculum transfer box in a sealing manner; the pebble speculum transfer box is locked with a floor through a limiting and locking device; and all the action control is realized by the electric control cabinet and a pneumatic control cabinet through a signal cable and an air pipe. The discharge device enables the system working process to be in the wholly sealed state, is safe in mode, is convenient and economical, fundamentally avoids leakage of a deslagging system and dust raising of workshops, realizes safe and civilized production of a boiler system, improves the equipment reliability, and simultaneously reduces the workload of maintenance personnel. Besides, the totally-enclosed discharge device can achieve local or remote control.
Description
Technical field
The utility model relates to the medium-speed pulverizer pebble coal dreg removing system device in the auxiliary equipment of thermal power plant, is specifically related to the totally-enclosed escaper of a kind of medium-speed pulverizer pebble coal.
Background technology
Medium-speed pulverizer pebble coal dreg removing system is requisite servicing unit during thermal power plant produces.At present the pebble coal processing mode of domestic each steam power plant is divided into usually: artificial, machinery, waterpower and strength are carried four kinds.Four kinds of different systems, the characteristics that oneself is respectively arranged in actual applications, but also having open defect aspect environmental protection, energy consumption, plant maintenance and the cost control, such as: expensive, high energy consumption, low environmental protection, low economic benefit etc., so still can not satisfy instructions for use fully.
The utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model provides the totally-enclosed escaper of a kind of medium-speed pulverizer pebble coal, so that it has low cost, low consumption, environmental protection and economic dispatch advantage.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows:
The totally-enclosed escaper of a kind of medium-speed pulverizer pebble coal comprises guide reducing connecting tube, maintenance sealed compartment, pebble coal sight glass transport box and electric-controlled cabinet; Described guide reducing connecting tube front end is connected with the outlet of medium-speed pulverizer pebble coal by rectangular flange, and tail end links to each other with the maintenance sealed compartment, establishes Pneumatic gate valve above the trigonum of guide reducing connecting tube, and pneumatic isolation pulling tray valve is established in the below; Establish pneumatic actuator in the described maintenance sealed compartment left and right sides, described pneumatic actuator is comprised of the cylinder, fixed base plate, connecting rod and the execution base plate that link to each other successively, establish sealed expansion joint below described maintenance sealed compartment, the expansion joint bottom is connected with the execution base plate; Be provided with the material level sensing device on carry out base plate, described material level sensing device comprises level detector and the sensing catch that is connected, and level detector is controlled by minitype cylinder; Described maintenance sealed compartment is connected with pebble coal sight glass transport box by sealing; Described pebble coal sight glass transport box is provided with by a narrow margin vibrator by limiting locking device and floor locking on the floor, bottom of pebble coal sight glass transport box, adjusts material level face shape in the pebble coal sight glass transport box by vibrator by a narrow margin; Everything control is connected with the gas control cabinet with electrical control cubicles respectively by signal cable, tracheae.
Described minitype cylinder is fixed on by support and carries out on the base plate.
Described Pneumatic gate valve all is connected with cylinder with pneumatic isolation pulling tray valve.
Be equipped with observation window at described maintenance sealed compartment and pebble coal sight glass transport box.
Beneficial effect: compared with prior art, the totally-enclosed escaper of medium-speed pulverizer pebble coal of the present utility model, can make system work process be in whole omnidistance sealing state, form safety, convenient economical, fundamentally stop the leakage problem of dreg removing system and the airborne dust problem in workshop, realized the security civilization production of steam generator system.Simultaneously, this system has the multi-locking function during deslagging, has effectively ensured field personnel's safety.Mobile stone coal bin dischargeable capacity is large, when the pebble coal amount is many, can greatly reduce the discharging number of times, avoided ash gate because of the frequent jam of easily generation and the powder phenomenon of leaking out that wearing and tearing produce of opening, prolonged the service life of ash gate, reduced the number of times of coal pulverizer because of the start-stop of dreg removing system fault, improve the reliability of equipment, also reduced maintainer's workload simultaneously.In addition, the utility model can be realized on the spot or Long-distance Control.Good practicality is arranged, can produce preferably economic benefit and social effect, be fit to power plant's medium-speed pulverizer removing gangue system technological transformation.
Description of drawings
Fig. 1 is the structural representation of the totally-enclosed escaper of medium-speed pulverizer pebble coal;
Fig. 2 is the side view of the totally-enclosed escaper of medium-speed pulverizer pebble coal.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As depicted in figs. 1 and 2, the totally-enclosed escaper of medium-speed pulverizer pebble coal is mainly by guide reducing connecting tube 22, maintenance sealed compartment 14, pebble coal sight glass transport box 5, electrical control cubicles, gas control cabinet, rectangular flange 23, Pneumatic gate valve 24, pneumatic isolation pulling tray valve 20, cylinder 26, sealed expansion joint 10 and 15, pneumatic actuator, material level sensing device, automatically cleaning sight glass observation window 7 and 11, the parts such as vibrator 4 form by a narrow margin.
Establish rectangular flange 23 at the entrance of guide reducing connecting tube 22, rectangular flange 23 tops are connected with the outlet of medium-speed pulverizer pebble coal, and the below is connected with Pneumatic gate valve 24; Pneumatic gate valve 24 is installed above guide reducing connecting tube 22 trigonums, and pneumatic isolation pulling tray valve 20 is installed in the below, terminal with keep in repair sealed compartment 14 and be connected, pneumatic isolation pulling tray valve 20 is connected with Pneumatic gate valve and is connected with cylinder 26.Establish automatically cleaning sight glass observation window 11 at sealed compartment 14, at sealed compartment 14 left and right sides pneumatic actuator is installed, pneumatic actuator is comprised of the cylinder 19 that links to each other successively, fixed base plate 28, connecting rod 9 and execution base plate 8, sealed expansion joint 10 is installed below sealed compartment 14, and expansion joint 10 bottoms are connected with execution base plate 8; At execution base plate 8 the material level sensing device is installed, the material level sensing device comprises level detector 16 and the sensing catch 29 that is connected, and level detector 16,29 displacements of sensing catch are by be fixed on minitype cylinder 18 controls of carrying out on the base plate 8 by support 17; Carry out base plate 8 and move the pebble coal sight glass transport box 5 that is placed on the floor 1 and be connected by sealing 30; On floor, pebble coal sight glass transport box 5 bottom 1 by a narrow margin vibrator 4 and limiting locking device 3 are installed; Adjust pebble coal sight glass transport box 5 interior material level face shapes by vibrator 4 by a narrow margin; Everything control is connected with the gas control cabinet with electrical control cubicles respectively by signal cable, tracheae.
The workflow of the totally-enclosed escaper of this medium-speed pulverizer pebble coal is:
Normal deslagging flow process: material level reports to the police or on-the-spotly manually regularly observe → close work residual cake valve (enabling ash gate for subsequent use when work ash gate fault) and put in place → and pneumostop compresses executing agency 8 (level detector 16, sensing catch 29 sensing that rises is voluntarily simultaneously suspended, and vibrator 4 suspends the simultaneously by a narrow margin) → locking device 3 unlatching → pebble coal sight glass transport boxes 5 that rise and manually shifts out
The regular cinder-discharge flow process: close work residual cake valve (when work ash gate fault, enabling ash gate for subsequent use) put in place → pneumostop compresses executing agency 8 (action in 200 minutes once) → locking device 3 unlatching → pebble coal sight glass transport boxes 5 that rise and manually shifts out
Pebble coal sight glass transport box sealing flow process: 5 casees passing of pebble coal sight glass transport box are in place → and closed and locked device 3 → pneumostop compresses executing agency 8 and descends that (level detector 16, sensing catch 29 simultaneously automatic descending cartonning sensing start) → (vibrator 4 starts unlatching work residual cake valve simultaneously by a narrow margin; When work ash gate fault, enable ash gate for subsequent use) → deslagging work begins.
The totally-enclosed escaper of medium-speed pulverizer pebble coal of the present utility model, can make system work process be in whole omnidistance sealing state, form safety, convenient economical, fundamentally stop the leakage problem of dreg removing system and the airborne dust problem in workshop, realized the security civilization production of steam generator system.Simultaneously, this system has the multi-locking function during deslagging, has effectively ensured field personnel's safety.Mobile stone coal bin dischargeable capacity is large, when the pebble coal amount is many, can greatly reduce the discharging number of times, avoided ash gate because of the frequent jam of easily generation and the powder phenomenon of leaking out that wearing and tearing produce of opening, prolonged the service life of ash gate, reduced the number of times of coal pulverizer because of the start-stop of dreg removing system fault, improve the reliability of equipment, also reduced maintainer's workload simultaneously.In addition, the utility model can be realized on the spot or Long-distance Control, have good practicality.
Claims (4)
1. the totally-enclosed escaper of medium-speed pulverizer pebble coal is characterized in that: comprise guide reducing connecting tube (22), maintenance sealed compartment (14), pebble coal sight glass transport box (5), electrical control cubicles and gas control cabinet; Described guide reducing connecting tube (22) front end is connected with the outlet of medium-speed pulverizer pebble coal by rectangular flange (23), tail end links to each other with maintenance sealed compartment (14), Pneumatic gate valve (24) is established in top, trigonum at guide reducing connecting tube (22), and pneumatic isolation pulling tray valve (20) is established in the below; Establish pneumatic actuator in described maintenance sealed compartment (14) left and right sides, described pneumatic actuator is comprised of the cylinder (19) that links to each other successively, fixed base plate (28), connecting rod (9) and execution base plate (8), establish sealed expansion joint (10) in described maintenance sealed compartment (14) below, expansion joint (10) bottom is connected with execution base plate (8); Be provided with the material level sensing device on carry out base plate (8), described material level sensing device comprises level detector (16) and the sensing catch (29) that is connected, and level detector (16) is controlled by minitype cylinder (18); Described maintenance sealed compartment (14) is connected with pebble coal sight glass transport box (5) by sealing gasket (30); Described pebble coal sight glass transport box (5) is provided with by a narrow margin vibrator (4) by limiting locking device (3) and floor (1) locking on the floor, bottom (1) of pebble coal sight glass transport box (5); Everything control is connected with the gas control cabinet with electrical control cubicles respectively by signal cable, tracheae.
2. the totally-enclosed escaper of medium-speed pulverizer pebble coal according to claim 1 is characterized in that: described minitype cylinder (18) is fixed on by support (17) and carries out on the base plate (8).
3. the totally-enclosed escaper of medium-speed pulverizer pebble coal according to claim 1, it is characterized in that: described Pneumatic gate valve (24) all is connected with cylinder (26) with pneumatic isolation pulling tray valve (20).
4. the totally-enclosed escaper of medium-speed pulverizer pebble coal according to claim 1 is characterized in that: be equipped with observation window (7,11) at described maintenance sealed compartment (14) and pebble coal sight glass transport box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245008 CN202741225U (en) | 2012-05-29 | 2012-05-29 | Totally-enclosed discharge device for pebble coal of medium-speed coal pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245008 CN202741225U (en) | 2012-05-29 | 2012-05-29 | Totally-enclosed discharge device for pebble coal of medium-speed coal pulverizer |
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| Publication Number | Publication Date |
|---|---|
| CN202741225U true CN202741225U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220245008 Expired - Fee Related CN202741225U (en) | 2012-05-29 | 2012-05-29 | Totally-enclosed discharge device for pebble coal of medium-speed coal pulverizer |
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| CN (1) | CN202741225U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301922A (en) * | 2013-06-26 | 2013-09-18 | 赵云辉 | Full-sealed type slag discharging system of coal mill |
| CN103691540A (en) * | 2013-12-23 | 2014-04-02 | 莱歇研磨机械制造(上海)有限公司 | Sealing structure of slag discharging opening of slag discharging box of coal mill |
| CN107999199A (en) * | 2016-04-15 | 2018-05-08 | 安双志 | A kind of efficient colliery Special crushing method |
| CN109939788A (en) * | 2019-03-01 | 2019-06-28 | 上海戎川机电工程设备有限公司 | A kind of coal pulverizer shutdown door system |
-
2012
- 2012-05-29 CN CN 201220245008 patent/CN202741225U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301922A (en) * | 2013-06-26 | 2013-09-18 | 赵云辉 | Full-sealed type slag discharging system of coal mill |
| CN103691540A (en) * | 2013-12-23 | 2014-04-02 | 莱歇研磨机械制造(上海)有限公司 | Sealing structure of slag discharging opening of slag discharging box of coal mill |
| CN103691540B (en) * | 2013-12-23 | 2018-02-27 | 莱歇研磨机械制造(上海)有限公司 | A kind of coal mill dreg discharging box slag-drip opening sealing structure |
| CN107999199A (en) * | 2016-04-15 | 2018-05-08 | 安双志 | A kind of efficient colliery Special crushing method |
| CN109939788A (en) * | 2019-03-01 | 2019-06-28 | 上海戎川机电工程设备有限公司 | A kind of coal pulverizer shutdown door system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225600 Tang Zhuang Town, Yangzhou City, Jiangsu, Gaoyou Patentee after: Yangzhou Longxin Technology Co.,Ltd. Address before: 225645, No. 2 North Street, Tang Zhuang Town, Yangzhou City, Jiangsu Province, Gaoyou Patentee before: YANGZHOU LONGXIN MACHINERY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20200529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |