CN204841990U - Three products of non -pressure feed heavily are situated between swirler and stop up alarm device - Google Patents
Three products of non -pressure feed heavily are situated between swirler and stop up alarm device Download PDFInfo
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- CN204841990U CN204841990U CN201520526174.1U CN201520526174U CN204841990U CN 204841990 U CN204841990 U CN 204841990U CN 201520526174 U CN201520526174 U CN 201520526174U CN 204841990 U CN204841990 U CN 204841990U
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Abstract
The utility model relates to a three products of non -pressure feed heavily are situated between swirler and stop up alarm device sets up the middlings case that gathers materials in middlings product bin outlet below, and the bottom that the middlings gathers materials the case sets up the bottom of the case head piece that gathers materials, the middlings gathers materials the case and connects two liquid level relays, and audible -visual annunciator is connected respectively to two liquid level relays, two liquid level relays are water supply type liquid level relay and drainage type liquid level relay respectively, and merge the electrode contact with the continuous constitution in contact of the high electrode in two liquid level relays and well electrode contact, the incorporation electrode contact of water supply type liquid level relay is located normal during operation liquid level below, and the incorporation electrode contact of drainage type liquid level relay is located normal during operation liquid level top. The utility model discloses combine stifled swirler trouble characteristics and liquid level electrical works principle then, designed that one set of warning rate of accuracy is high, the reaction is fast, simple effectual stifled swirler fault alarm device, through real -time on -line monitoring and send the warning, can in time find to block up the swirler trouble.
Description
Technical field
The utility model relates to a kind of Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device, belongs to the automatic control equipment technical field in coal preparation technology.
Background technology
Triproduct heavy medium cyclone with pressureless feeding by cylinder type one section of cyclone and cylinder-pyramid type two sections of cyclones and formula be composed in series, have cleaned coal, middle coal and spoil three discharge gates.Raw coal and heavy-media suspension feed one section of cyclone respectively, produce head coal product and heavy material after sorting; Heavy material enters two sections of cyclones, product of coal and spoil product in producing after sorting.
When enter to wash raw coal containing cash more or have foreign material to enter cyclone time, stifled cyclone fault will be there is.Stifled cyclone fault can be divided into stifled one section of cyclone and stifled two sections of cyclones.Usually one, two section of cyclone junction, stifled one section of cyclone fault occurs, now, coal and spoil enter cleaned coal, cause head coal product to increase, and cleaned coal de-mediated dehydration movement system load increases instantaneously, and simultaneously, product of coal and spoil product reduce.Usually at two sections of cyclone underflow opening places, stifled two sections of cyclone faults occur, now spoil enters middle coal, causes middle product of coal to increase, and middle coal de-mediated dehydration movement system load increases instantaneously, and spoil product reduces simultaneously.Visible, the change of middle product of coal amount intuitively can react the generation of stifled one section of cyclone fault and stifled two sections of cyclone faults.
In addition, in stifled cyclone fault, de-mediated dehydration movement system load increases, and can cause moment a large amount of dielectric dissipation, product also can be caused time serious to reprint anchor chain, belt accident, and impact is produced.So Timeliness coverage also prevents stifled cyclone phenomenon, can have certain effect to improve production efficiency and product quality and reduction dielectric dissipation.At present, coal separation production scene mainly relies on manual observation and judges stifled cyclone fault, which not only adds labo r usage, and can not round-the-clockly monitor, be easy to cause and fail to report or find not in time.
In prior art, liquid level relay is the primary element in liquid level control circuit.High, medium and low three electrode contacts that liquid level relay has position to be arranged in order from high to low, wherein high electrode contact is positioned at control place of the water level upper limit, and middle electrode contacts is positioned at control place of water level lower limit, and low electrode contact is generally placed in basin bottom.By the change of these three electrode contacts induction water levels, be switched on or switched off water pump on request, realize the function of automatic water-supply and draining.Liquid level relay can be divided into water supply type and dewatering type two kinds.In water supply type liquid level relay, when water level rises to high electrode contact, disconnect water pump and stop supplying water; When water level decreasing is to middle electrode contacts, connect water pump water supply start.In dewatering type liquid level relay, when water level rises to high electrode contact, connect water pump and start draining; When water level is reduced to middle electrode contacts, disconnects water pump and stop draining.If water pump is replaced to warning device be connected with liquid level relay, the change according to water level is switched on or switched off warning device on request, and liquid level relay can be used for monitoring SEA LEVEL VARIATION and sending warning.
Utility model content
For the deficiency existed in current Triproduct heavy medium cyclone with pressureless feeding plugging fault monitoring, the utility model provides a kind of Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device, stifled cyclone fault can be found in time, exactly, reduce product quality accident, enhance productivity, reduce dielectric dissipation simultaneously.
The technical solution of the utility model: coal Material collecting box for harvesting in arranging below product of coal discharge gate in Triproduct heavy medium cyclone with pressureless feeding, the bottom of middle coal Material collecting box for harvesting arranges Material collecting box for harvesting underflow opening;
Described middle coal Material collecting box for harvesting connects two liquid level relays, and two liquid level relays connect audible-visual annunciator respectively;
Two liquid level relays are respectively water supply type liquid level relay and dewatering type liquid level relay, and the formation that is connected with middle electrode contacts the high electrode contact in two liquid level relays merges electrode contacts;
The merging electrode contacts of described water supply type liquid level relay is arranged in when normally working below coal Material collecting box for harvesting liquid level, and low electrode contact is arranged in coal Material collecting box for harvesting inner bottom part;
The merging electrode contacts of described dewatering type liquid level relay is arranged in when normally working above coal Material collecting box for harvesting liquid level, and low electrode contact is arranged in coal Material collecting box for harvesting inner bottom part.
Further restriction, 0.5-5cm place below coal Material collecting box for harvesting liquid level when the merging electrode contacts of described water supply type liquid level relay is arranged in normal work.
Further restriction, 0.5-5cm place above coal Material collecting box for harvesting liquid level when the merging electrode contacts of described dewatering type liquid level relay is arranged in normal work.
Further restriction, described water supply type liquid level relay and dewatering type liquid level relay are all JYB-714 type.
Further restriction, described audible-visual annunciator comprises electric bell and sudden strain of a muscle is turned off the light.After audible-visual annunciator is opened, electric bell produces chimes of doom, reminds staff to occur stifled cyclone fault.In addition, because work in-plant noise is large, staff at a distance likely can't hear electric bell sound, and flash lamp can remind staff at a distance to occur stifled cyclone fault.
Further restriction, the size of described Material collecting box for harvesting underflow opening can regulate, the liquid level in can regulating according to entering to wash spoil content in raw coal like this in coal Material collecting box for harvesting.
In Triproduct heavy medium cyclone with pressureless feeding running, when there is stifled one section of cyclone fault, in middle coal Material collecting box for harvesting, liquid level reduces; When there is stifled two sections of cyclone faults, in middle coal Material collecting box for harvesting, liquid level raises.Visible, in middle coal Material collecting box for harvesting, the change of liquid level is the principal character of stifled cyclone fault.Utilize the change of liquid level in coal Material collecting box for harvesting in water supply type and the monitoring of dewatering type liquid level relay, and liquid level relay is connected with audible-visual annunciator, control switching on and off of audible-visual annunciator by liquid level relay.The utility model is in conjunction with the operation principle of Triproduct heavy medium cyclone with pressureless feeding plugging fault feature and water supply type and dewatering type liquid level relay, devise a set of warning accuracy rate high, react fast, simple and effective Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device, send warning by real time on-line monitoring, cyclone fault can be blocked up by Timeliness coverage.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in fig. 1, coal Material collecting box for harvesting 2 in arranging below product of coal discharge gate 1 in Triproduct heavy medium cyclone with pressureless feeding, the bottom of middle coal Material collecting box for harvesting 2 arranges Material collecting box for harvesting underflow opening 3; Described middle coal Material collecting box for harvesting 2 connects two liquid level relays 4,5, and two liquid level relays 4,5 connect audible-visual annunciator respectively; Audible-visual annunciator comprises electric bell 8 and sudden strain of a muscle turns off the light 9; Two liquid level relays 4,5 are respectively water supply type liquid level relay 4 and dewatering type liquid level relay 5, and the formation that is connected with middle electrode contacts the high electrode contact in two liquid level relays merges electrode contacts 6; The merging electrode contacts 6 of described water supply type liquid level relay 4 is arranged in when normally working below coal Material collecting box for harvesting 2 liquid level, and low electrode contact 7 is arranged in coal Material collecting box for harvesting 2 inner bottom part; The merging electrode contacts 6 of described dewatering type liquid level relay 5 is arranged in when normally working above coal Material collecting box for harvesting 2 liquid level, and low electrode contact 7 is arranged in the bottom of coal Material collecting box for harvesting 2.
When Triproduct heavy medium cyclone with pressureless feeding normally works, middle product of coal enters middle coal Material collecting box for harvesting 2 and discharges from Material collecting box for harvesting underflow opening 3, liquid level in middle coal Material collecting box for harvesting 2 keeps stable, merging electrode contacts 6 now in water supply type liquid level relay 4 is positioned at below liquid level, and the electric bell 8 of connection and flash lamp 9 are disconnected; The merging electrode contacts 6 of dewatering type liquid level relay 5 is positioned at more than liquid level, and the electric bell 8 of connection and flash lamp 9 are disconnected.
When there is stifled one section of cyclone fault one, two section of cyclone junction, middle coal enters cleaned coal and causes middle product of coal to reduce, liquid level in coal Material collecting box for harvesting 2 is caused to reduce instantaneously, time below merging electrode contacts 6 position that liquid level is reduced to water supply type liquid level relay 4, the electric bell 8 of connection and flash lamp 9 are connected, has reminded staff to occur and blocked up one section of cyclone fault.
When there is stifled two sections of cyclone faults at two sections of cyclone underflow opening places, spoil enters middle coal and causes middle product of coal to increase, liquid level in coal Material collecting box for harvesting 2 is caused to raise instantaneously, when liquid level is elevated to more than merging electrode contacts 6 position of dewatering type liquid level relay 5, the electric bell 8 of connection and flash lamp 9 are connected, has reminded staff to occur and blocked up two sections of cyclone faults.
Finally it should be noted that; above word and drawings describe key structural feature of the present utility model and operation principle; but those skilled in the art should understand; the utility model by above-mentioned detailed description of the invention restriction; under the prerequisite not departing from the design of the utility model Basic Design, the various deformation mode done the utility model also should in protection domain of the present utility model.
Claims (6)
1. Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device, it is characterized in that: in Triproduct heavy medium cyclone with pressureless feeding, product of coal discharge gate (1) below arranges middle coal Material collecting box for harvesting (2), and the bottom of middle coal Material collecting box for harvesting (2) arranges Material collecting box for harvesting underflow opening (3);
Described middle coal Material collecting box for harvesting (2) connects two liquid level relays (4,5), and two liquid level relays (4,5) connect audible-visual annunciator respectively;
Two liquid level relays (4,5) are respectively water supply type liquid level relay (4) and dewatering type liquid level relay (5), and the formation that is connected with middle electrode contacts the high electrode contact in two liquid level relays (4,5) merges electrode contacts (6);
The merging electrode contacts (6) of described water supply type liquid level relay (4) is arranged in when normally working below coal Material collecting box for harvesting (2) liquid level, and low electrode contact (7) are arranged in coal Material collecting box for harvesting (2) inner bottom part;
The merging electrode contacts (6) of described dewatering type liquid level relay (5) is arranged in when normally working above coal Material collecting box for harvesting (2) liquid level, and low electrode contact (7) are arranged in coal Material collecting box for harvesting (2) inner bottom part.
2. Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device according to claim 1, is characterized in that: 0.5-5cm place below coal Material collecting box for harvesting (2) liquid level when the merging electrode contacts (6) of described water supply type liquid level relay (4) is arranged in normal work.
3. Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device according to claim 1, is characterized in that: 0.5-5cm place above coal Material collecting box for harvesting (2) liquid level when the merging electrode contacts (6) of described dewatering type liquid level relay (5) is arranged in normal work.
4. the Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device according to any one of claim 1-3, is characterized in that: described water supply type liquid level relay (4) and dewatering type liquid level relay (5) are all JYB-714 type.
5. the Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device according to any one of claim 1-3, is characterized in that: described audible-visual annunciator comprises electric bell (8) and (9) are turned off the light in sudden strain of a muscle.
6. the Triproduct heavy medium cyclone with pressureless feeding obstruction alarm device according to any one of claim 1-3, is characterized in that: the size of described Material collecting box for harvesting underflow opening (3) can regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526174.1U CN204841990U (en) | 2015-07-21 | 2015-07-21 | Three products of non -pressure feed heavily are situated between swirler and stop up alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526174.1U CN204841990U (en) | 2015-07-21 | 2015-07-21 | Three products of non -pressure feed heavily are situated between swirler and stop up alarm device |
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| Publication Number | Publication Date |
|---|---|
| CN204841990U true CN204841990U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520526174.1U Expired - Fee Related CN204841990U (en) | 2015-07-21 | 2015-07-21 | Three products of non -pressure feed heavily are situated between swirler and stop up alarm device |
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| CN (1) | CN204841990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622703A (en) * | 2017-03-09 | 2017-05-10 | 唐山开滦林西矿业有限公司 | Automatic alarm device for material blockage of three-product dense-medium cyclone |
| CN109201356A (en) * | 2018-08-21 | 2019-01-15 | 山东济宁运河煤矿有限责任公司 | Without pressure two sections of feeding inlet obstruction alarm devices of three-product HM cyclone and method |
-
2015
- 2015-07-21 CN CN201520526174.1U patent/CN204841990U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622703A (en) * | 2017-03-09 | 2017-05-10 | 唐山开滦林西矿业有限公司 | Automatic alarm device for material blockage of three-product dense-medium cyclone |
| CN109201356A (en) * | 2018-08-21 | 2019-01-15 | 山东济宁运河煤矿有限责任公司 | Without pressure two sections of feeding inlet obstruction alarm devices of three-product HM cyclone and method |
| CN109201356B (en) * | 2018-08-21 | 2024-09-10 | 乌海市天宇能源有限公司 | Device and method for warning blockage of two-section feed inlet of pressureless three-product heavy-medium cyclone |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160721 |