CN201334262Y - Blowing block device - Google Patents
Blowing block device Download PDFInfo
- Publication number
- CN201334262Y CN201334262Y CNU2008201734318U CN200820173431U CN201334262Y CN 201334262 Y CN201334262 Y CN 201334262Y CN U2008201734318 U CNU2008201734318 U CN U2008201734318U CN 200820173431 U CN200820173431 U CN 200820173431U CN 201334262 Y CN201334262 Y CN 201334262Y
- Authority
- CN
- China
- Prior art keywords
- stifled
- electromagnetic valve
- induction tract
- pipe
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a blowing block device. The device comprises a compressed air pipe, wherein the compressed air pipe is provided with a boost air inlet pipe and a blowing block air inlet pipe that are respectively connected with a powder delivery pipe; the boost air inlet pipe and the blowing block air inlet pipe are respectively provided with an adjusting valve, a one-way valve and a trip valve; a first electromagnetic valve is arranged on the boost air inlet pipe, and a second electromagnetic valve is arranged on the blowing block air inlet pipe; a blowing block detector is arranged on the powder delivery pipe and is connected with a controller by a lead; and the controller is connected with the first electromagnetic valve and the second electromagnetic valve by leads respectively. The device has the advantages that the delivery running reliability is improved, and the service life of the delivery pipe is prolonged; the control is accurate, thereby reducing energy waste; the automatic unblocking capacity of the pipe is improved greatly, thereby lowering the labor intensity of operators and improving the working environment; the structure is simple and reasonable and the cost is low, thereby realizing full-automation operation, etc.
Description
Technical field
The utility model relates to the strength transportation art of powder material, specifically is a kind of block apparatus that blows.
Background technology
At present, domestic in the delivery system of powder material, for all being provided with, solution plugging problem blows block apparatus.Existing unlatching of blowing block apparatus has three kinds of modes opportunity: the one, in bleeder valve is opened certain hour, open whole block apparatus that blows, and finish until course of conveying; Next is after bleeder valve is opened, and every interval certain hour is opened and all blown block apparatus, finishes until course of conveying; The third is near every cover blows block apparatus the pressure detection point to be set, and when delivery pressure rises to when setting numerical value, this cover blows block apparatus to be opened, until differential pressure to setting numerical value.The shortcoming of preceding two kinds of modes is: in most times of blowing the block apparatus unlatching, the plugging phenomenon does not take place, its main function only is to reduce the occurrence probability of plugging phenomenon to a certain extent, it is extremely low that plugging automatically terminates ability, but owing to blow the adding of gas shutoff body in a large number, the running velocity of material increases greatly in the delivery duct, has aggravated the wearing and tearing of pipeline, has the high phenomenon of waste, power consumption of pressure gas simultaneously.There is following problem in the third mode: exist before the plugging tendency position all to blow block apparatus, all enter opening, blow the input of gas shutoff body in a large number, further aggravate the compaction rate of material, made the plugging problem further worsen, finally also need manually carry out de-plugging, this has not only brought influence, has worsened environmental quality to ordinary production, energy consumption is higher simultaneously, and the delivery duct life-span significantly reduces shorter, brings bigger threat also can for the safety of operating personal.
Summary of the invention
The purpose of this utility model is to provide a kind of block apparatus that blows, it can solve in the known technology and exist, employing is blown stifled detector and is transmitted plugging signal, plugging ring off signal automatically, automatically select the suitable stifled place of blowing by controller, progressively de-plugging automatically, improved the conveying operation stability, prolonged delivery duct service life, reduced energy resource consumption, reduce labor intensity of operating personnel.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of block apparatus that blows, comprise the compressed gas pipeline, the boosting induction tract is installed on the compressed gas pipeline and is blown stifled induction tract, the boosting induction tract and blow stifled induction tract respectively with the powder conveying plumbing connection, the boosting induction tract is installed control cock respectively with blowing on the stifled induction tract, check valve, shutoff valve, first electromagnetic valve is installed on the boosting induction tract, blow on the stifled induction tract second electromagnetic valve is installed, install on the powder conveying pipeline and blow stifled detector, blow stifled detector and be connected with controller by lead, controller is connected with second electromagnetic valve with first electromagnetic valve respectively by lead.
Describedly blow stifled detector and form by housing, piston, spring, straight-bar, contactless switch, first contact and second contact, admission port is set on the housing, admission port communicates with the powder conveying pipeline, piston, first contact and second contact are installed in the housing, straight-bar is installed on the piston, contactless switch is installed, mounting spring between piston and housing on the straight-bar.Filter and Turbogrid plates are installed by the admission port place in the housing.
The utility model advantage is: employing is blown stifled detector and is transmitted plugging signal, plugging ring off signal automatically, and automatically select the suitable stifled place of blowing by controller, progressively de-plugging has automatically improved the conveying operation stability, has prolonged the service life of delivery duct; Control accurately only need be opened near one of obstruction point and blow block apparatus, has reduced energy dissipation; Plugging automatically terminates ability and significantly improves, and has reduced labor intensity of operating personnel, improves working environment; Simple for structure reasonable, cost is low, can realize unattended operation.The utility model also has the minimizing environmental pollution; Low power consumption and other advantages.
Description of drawings
Accompanying drawing 1 is the utility model master TV structure scheme drawing; Accompanying drawing 2 is the structure for amplifying scheme drawings that blow stifled detector in the utility model.
The specific embodiment
Agent structure of the present utility model has compressed gas pipeline 2, boosting induction tract 7 is installed on the compressed gas pipeline 2 and is blown stifled induction tract 8.Compressed gas pipeline 2 is supplied with each group and is blown the block apparatus pressure gas.Boosting induction tract 7 with blow stifled induction tract 8 and be connected with powder conveying pipeline 9 respectively.Boosting induction tract 7 is installed control cock 3, check valve 5, shutoff valve 6 respectively with blowing on the stifled induction tract 8, first electromagnetic valve 4 is installed on the boosting induction tract 7, blow on the stifled induction tract 8 second electromagnetic valve 20 is installed, install on the powder conveying pipeline 9 and blow stifled detector 10, blow stifled detector 10 and be connected with controller 1 by lead, controller 1 is connected with second electromagnetic valve 20 with first electromagnetic valve 4 respectively by lead.Controller 1 receives and blows stifled detector 10 signals, judges the position that the plugging tendency is arranged, and in time sends start signal to second electromagnetic valve 20.Controller 1 can be various automatic control devices such as PLC or DCS.
Described in the utility modelly blow stifled detector 10 multiple structure is arranged, this contriver provide a kind of simple for structure rationally, detect and blow stifled detector 10 accurately, its structure is made up of housing 21, piston 16, spring 11, straight-bar 15, contactless switch 13, first contact 12 and second contact 14, admission port 17 is set on the housing 21, admission port 17 communicates with powder conveying pipeline 9, piston 16, first contact 12 and second contact 14 are installed in the housing 21, straight-bar 15 is installed on the piston 16, contactless switch 13 is installed on the straight-bar 15.21 mounting spring 11 of piston 16 and housing.Blow stifled detector 10 in order to prevent that foreign material from entering, filter 18 and Turbogrid plates 19 are installed by admission port 17 places in housing 21.When stopping up appearred in powder conveying pipeline 9, gaseous tension raise and surpasses spring 11 precompressed compressions, and piston 16 is retreated, and contactless switch 13 contacts with first contact 12, and jam signal is passed to controller 1, realizes the transmission of jam signal; When stopping up releasing in the powder conveying pipeline 9, gaseous tension reduces, and less than spring 11 precompressed compressions, piston 16 resets again, and contactless switch 13 leaves first contact 12, contacts with second contact 14, and the de-plugging signal is passed to controller 1, realizes the transmission of de-plugging signal.
When the utility model used, diverse location was provided with a plurality of block apparatus that blow on powder conveying pipeline 9.In powder normal transportation process in the powder conveying pipeline 9, open first electromagnetic valve 4 on the boosting induction tract 7, an amount of boost gas of supplying with is kept material and is normally carried in powder conveying pipeline 9.The size of boost gas air demand is by control cock 3 controls of boosting induction tract 7.When having the plugging tendency to take place in the powder conveying pipeline 9, blow stifled detector 10 and send the plugging signal to controller 1.Controller 1 writes down the numbering of blowing stifled detector 10 when receiving the plugging signal.1 pair of plugging signal of controller and blow the numbering contrast of stifled detector 10 after, last group that connection has plugging to be inclined to is blown second electromagnetic valve 20 on the block apparatus, blow stifled induction tract 8 and supply gas to powder conveying pipeline 9 and blow stifledly, send the plugging ring off signal to controller 1 until blowing stifled detector 10.The size of blowing the gas shutoff amount is by control cock 3 controls of blowing on the stifled induction tract 8.
Controller 1 checks that other blows block apparatus and has or not the plugging signal after receiving the plugging ring off signal of blowing stifled detector 10.If the plugging signal is all removed, then delivery system is in normal feed status; If still have the plugging signal, after 1 pair of plugging signal of controller and the numbering of blowing stifled detector 10 compare, last group that connection has plugging to be inclined to is blown second electromagnetic valve 20 on the block apparatus, blow stifled induction tract 8 and supply gas to powder conveying pipeline 9 and blow stifledly, blow stifled detector 10 until all and send the plugging ring off signal to controller 1.
Claims (3)
1, a kind of block apparatus that blows, it is characterized in that: comprise compressed gas pipeline (2), compressed gas pipeline (2) is gone up and boosting induction tract (7) is installed and is blown stifled induction tract (8), boosting induction tract (7) with blow stifled induction tract (8) and be connected with powder conveying pipeline (9) respectively, boosting induction tract (7) and blow control cock (3) is installed respectively on the stifled induction tract (8), check valve (5), shutoff valve (6), boosting induction tract (7) is gone up first electromagnetic valve (4) is installed, blow stifled induction tract (8) and go up installation second electromagnetic valve (20), powder conveying pipeline (9) is gone up to install and is blown stifled detector (10), blow stifled detector (10) and be connected with controller (1) by lead, controller (1) is connected with second electromagnetic valve (20) with first electromagnetic valve (4) respectively by lead.
2, a kind of block apparatus that blows according to claim 1, it is characterized in that: the described stifled detector (10) that blows has housing (21), piston (16), spring (11), straight-bar (15), contactless switch (13), first contact (12) and second contact (14) are formed, admission port (17) is set on the housing (21), admission port (17) communicates with powder conveying pipeline (9), piston (16) is installed in the housing (21), first contact (12) and second contact (14), piston (16) is gone up straight-bar (15) is installed, straight-bar (15) is gone up contactless switch (13), mounting spring (11) between piston (16) and housing (21) is installed.
3, a kind of block apparatus that blows according to claim 2 is characterized in that: the interior admission port of housing (21) (17) locates to install filter (18) and Turbogrid plates (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201734318U CN201334262Y (en) | 2008-10-27 | 2008-10-27 | Blowing block device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201734318U CN201334262Y (en) | 2008-10-27 | 2008-10-27 | Blowing block device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201334262Y true CN201334262Y (en) | 2009-10-28 |
Family
ID=41285911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201734318U Expired - Fee Related CN201334262Y (en) | 2008-10-27 | 2008-10-27 | Blowing block device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201334262Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261154A (en) * | 2014-10-14 | 2015-01-07 | 福建傲农生物科技集团有限公司 | Feedstuff feeding hole and dust removal system |
-
2008
- 2008-10-27 CN CNU2008201734318U patent/CN201334262Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261154A (en) * | 2014-10-14 | 2015-01-07 | 福建傲农生物科技集团有限公司 | Feedstuff feeding hole and dust removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20111027 |