CN205495850U - Coke dry quenching secondary dust remover - Google Patents

Abstract

The utility model relates to a coke dry quenching secondary dust remover, it includes at least: the dust remover body, the dust remover body comprises the three -section, and up and down segments is the cone, and the interlude is the barrel, and dust remover body from the top down divide into three rooms, gaseous room, gas introduction room, the dust collecting chamber of deriving, the gaseous room lower extreme of deriving is the gas introduction room, is circular changeover portion, and the upper end is cone structure, and the gaseous roof portion of deriving links to each other with the outlet duct to there is explosion -proof valve at outlet duct both sides cloth, the gas introduction room links to each other with the intake pipe, be the dust collecting chamber below the gas introduction room, the dust collecting chamber lower extreme is for falling cone structure, and the bottom links to each other with the flapper and carries out row ash, at gas introduction room and dust collecting chamber changeover portion distribution multiunit cyclone. The utility model has the characteristics of high efficiency, wearability are good, long service life etc.

Description

A kind of dry-quenching secondary dust cleaner

Technical field

This utility model relates to a kind of dry coke quenching cleaner unit, particularly a kind of dry-quenching secondary dust cleaner.

Background technology

Dry coke quenching is made by inert recyclegas and cools down red Jiao, reclaims heat and produces steam, and the steam of generation can be used to generating or for other workshops.

Coke be with carbon as main component containing different thicknesses crackle and the irregular porous body of defect.In dry coke quenching production process, oven-fresh red Jiao falls in coke dry quenching furnace through mechanical handing and certain altitude difference, the cold cycle gas generation heat convection that red Jiao moved down and coke dry quenching furnace bottom enter, period coke is through phase mutual friction and multiple impacts, the crackle in coke is made to ftracture in advance, also create many coke powders simultaneously, these coke powders are carried secretly from ring-shaped flue by the high temperature circulation gas after heat exchange, if not removing, coke powder can gradually wear out follow-up equipment and pipeline, and then affect the normal production of dry coke quenching, therefore, the coke powder to produce during dry coke quenching is produced carries out dedusting.

At present dry coke quenching technique there is twice dedusting, the most usually said one-time dedusting and final dusting, one-time dedusting is gravity settling chamber dedusting, it is to trap bulky grain coke powder and preventing the boiler superheater that weares and teares, owing to gravity settling chamber dedusting is the dedusting method of a kind of simple poor efficiency, objectively add the difficulty of final dusting.Additionally, the stamp-charging coke of identical scale also can have more the coke powder of about 40% than top dress Jiao, too increase the difficulty of final dusting.

Utility model content

The purpose of this utility model is to provide that a kind of high efficiency, wearability be good, the dry-quenching secondary dust cleaner of length in service life.

The purpose of this utility model is achieved in that a kind of dry-quenching secondary dust cleaner, and it at least includes: cleaner unit body, cleaner unit body is constituted by three sections, upper-lower section is cone, and interlude is cylinder, and cleaner unit body is divided into three Room from top to bottom, gas derives room, gas imports room, dust storage chamber, it is that gas imports room that gas derives lower end, room, is rounded transition, and upper end is conical structure, gas is derived ceiling portion and is connected with escape pipe, and is furnished with explosion-proof valve in escape pipe both sides；Gas imports room and is connected with air inlet pipe；Gas imports room and dust storage chamber is presented herein below, and dust storage chamber lower end is inverted cone structure, and bottom is connected with flapper and carries out ash discharge；Organize cyclone separator in gas importing room and the distribution of dust storage chamber changeover portion more.

Described gas derives room, gas imports room and dust storage chamber is mutually isolated；Described gas imports room and air inlet pipe inwall pours 50mm thickness wear-resistant material.

Described gas imports chamber interior walls and equidistantly welds " L " shape anchoring piece, and is affiliated to wire netting on anchoring piece and carries out spot welding and fix；Described air inlet pipe inwall equidistantly welds Y-shaped anchoring piece in plum blossom shape.

Described anchoring piece is coated with the asphalt caulk that 1mm is thick after having welded.

Described cyclone separator uses ceramic material to fire and forms, and including inner core, urceolus and Whirlwind cyclone, the latter half of inner core is inserted in urceolus, and Whirlwind cyclone is between inner core and urceolus.

The outside of described inner core is wound around a fibrous paper thick for circle 3mm, and fibrous paper outer wrapping one encloses abrasionproof steel plate.

It is tangent that described air inlet pipe and gas import room.

Symmetrical structure centered by described air inlet pipe.

Described air inlet pipe imports room centrage with gas and becomes 75 ° of angles.

The beneficial effects of the utility model are: the downward-sloping certain angle of centrosymmetric air inlet pipe at two of the gas containing coke powder tangentially enters gas and imports room, contain coke powder gas generation helix in gas importing indoor is rotated down motion, dedusting can be centrifuged even in the Whirlwind cyclone of the cyclone separator being evenly arranged containing coke powder gas, compared with the rectangle secondary filter of a most conventional side-inlet, improve gas and import the distribution of indoor dusty gas, make efficiency of dust collection improve 3 ~ 5%.In addition; owing to a large amount of high-speed motions import room and the abrasion of inner core to air inlet pipe, gas for a long time containing the coke powder in coke powder gas; collaborating between air chamber can be caused; sometimes air can be leaked into; these positions are difficult to maintenance thus easily cause accident; therefore import room in air inlet pipe and gas and pour the thick castable of 50mm; the outer wall wear-resisting steel plate of inner core is protected; and at other position spraying abrasion-proof material; improve the wearability of secondary filter; extend the service life of secondary filter, thus save production cost.

Accompanying drawing explanation

Fig. 1 is this utility model example structure schematic diagram；

Fig. 2 is the A-A sectional view of Fig. 1；

Fig. 3 is the B-B sectional view of Fig. 1；

Fig. 4 is the inner core partial schematic diagram of Fig. 1.

In figure, 1, cleaner unit body；2, gas derives room；3, gas imports room；4, dust storage chamber；5, escape pipe；6, air inlet pipe；7, explosion-proof valve；8, flapper；9, inner core；10, Whirlwind cyclone；11, urceolus；12, fibrous paper；13, abrasionproof steel plate.

Detailed description of the invention

As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of dry-quenching secondary dust cleaner, it at least includes: cleaner unit body 1, cleaner unit body 1 is constituted by three sections, upper-lower section is cone, and interlude is cylinder, and cleaner unit body 1 is divided into three Room from top to bottom, gas derives room 2, gas imports room 3, dust storage chamber 4, it is that gas imports room 3 that gas derives lower end, room 2, is rounded transition, and upper end is conical structure, gas is derived top, room 2 and is connected with escape pipe 5, and is furnished with explosion-proof valve 7 in escape pipe 5 both sides；Gas imports room 3 and is connected with air inlet pipe 6；Gas imports room 3 and dust storage chamber 4 is presented herein below, and dust storage chamber 4 lower end is inverted cone structure, and bottom is connected with flapper 8 and carries out ash discharge；Organize cyclone separator in gas importing room 3 and the distribution of dust storage chamber 4 changeover portion more.

Described gas derives room 2, gas imports room 3 and dust storage chamber 4 is mutually isolated.

Described gas imports room 3 and air inlet pipe 6 inwall pours 50mm thickness wear-resistant material, and the most resistance to 250 DEG C of wear-resistant material.

Described gas imports room 3 inwall and equidistantly welds " L " shape anchoring piece, and is affiliated to wire netting on anchoring piece and carries out spot welding and fix.

Described air inlet pipe 6 inwall equidistantly welds Y-shaped anchoring piece in plum blossom shape.

Described anchoring piece sprays the thick asphalt caulk of 1mm after having welded.

Described gas derives room 2, escape pipe 5 and the certain thickness wear-resistant material of dust storage chamber 4 inner-wall spraying.

Described cyclone separator uses ceramic material to fire and forms, and including inner core 9, urceolus 11 and Whirlwind cyclone 10, the latter half of inner core 9 is inserted in urceolus 11, and Whirlwind cyclone 10 is between inner core 9 and urceolus 11.

The described gas that is positioned at imports inner core 9 outside of room 3, is first wound around a fibrous paper 12 thick for circle 3mm, then wraps up a circle abrasionproof steel plate 13.

It is tangent that described air inlet pipe 6 and gas import room 3.

Symmetrical structure centered by described air inlet pipe 6.

Described air inlet pipe 6 imports room 3 centrage with gas and becomes 75 ° of angles, and this angle suitably can adjust according to dust-laden particle size distribution, import and export dusty gas concentration and gas velocity, makes dusty gas be uniformly distributed entrance gas and imports room 3.

Vertical multi-pipe cyclone separator is by being equidistantly evenly arranged, room 3 is imported through the downward-sloping 75 ° of tangential entrance gases of air inlet pipe 6 containing dusty gas, include dusty gas generation helix in gas importing room 3 is rotated down motion, can be as far as possible even in the Whirlwind cyclone 10 of cyclone separator containing coke powder gas, under the influence of centrifugal force, gradually get rid of the inwall to urceolus 11 containing the coke powder in coke powder gas and continue to move downwardly in dust storage chamber 4, and gas is spinned along inner core 9 outer wall after moving downward until entering inner core 9, move upward around inner core 9 centrage again thus form rotational gas flow on one and enter gas derivation room 2.

There is upper and lower level-sensing device dust storage chamber 4 lower end, when coke powder reaches feeding position, opens flapper 8 and carries out ash discharge, and coke powder enters air-transport system to coke powder storehouse；When coke powder arrives blanking position, close flapper 8 and stop ash discharge, prevent air from entering the negative pressure region of cleaner unit.

Parts that the present embodiment describes the most in detail and structure belong to the well-known components of the industry and common structure or conventional means, describe the most one by one.

Claims (9)

1. a dry-quenching secondary dust cleaner, it at least includes: cleaner unit body (1), cleaner unit body (1) is constituted by three sections, upper-lower section is cone, interlude is cylinder, cleaner unit body (1) is divided into three Room from top to bottom, gas derives room (2), gas imports room (3), dust storage chamber (4), it is that gas imports room (3) that gas derives room (2) lower end, it it is rounded transition, upper end is conical structure, and gas is derived room (2) top and is connected with escape pipe (5), and is furnished with explosion-proof valve (7) in escape pipe (5) both sides；Gas imports room (3) and is connected with air inlet pipe (6)；Gas imports room (3) and dust storage chamber (4) is presented herein below, and dust storage chamber (4) lower end is inverted cone structure, and bottom is connected with flapper (8) and carries out ash discharge；Organize cyclone separator at gas importing room (3) and the distribution of dust storage chamber (4) changeover portion more.

A kind of dry-quenching secondary dust cleaner the most according to claim 1, is characterized in that: described gas derives room (2), gas imports room (3) and dust storage chamber (4) is mutually isolated；Described gas imports room (3) and air inlet pipe (6) inwall pours 50mm thickness wear-resistant material.

A kind of dry-quenching secondary dust cleaner the most according to claim 1, is characterized in that: described gas imports room (3) inwall and equidistantly welds " L " shape anchoring piece, and is affiliated to wire netting on anchoring piece and carries out spot welding and fix；Described air inlet pipe (6) inwall equidistantly welds Y-shaped anchoring piece in plum blossom shape.

A kind of dry-quenching secondary dust cleaner the most according to claim 3, is characterized in that: described anchoring piece is coated with the asphalt caulk that 1mm is thick after having welded.

A kind of dry-quenching secondary dust cleaner the most according to claim 1, it is characterized in that: described cyclone separator uses ceramic material to fire and forms, including inner core (9), urceolus (11) and Whirlwind cyclone (10), the latter half of inner core (9) is inserted in urceolus (11), and Whirlwind cyclone (10) is positioned between inner core (9) and urceolus (11).

A kind of dry-quenching secondary dust cleaner the most according to claim 5, is characterized in that: the outside of described inner core (9) is wound around a fibrous paper (12) thick for circle 3mm, and fibrous paper (12) outer wrapping one encloses abrasionproof steel plate (13).

A kind of dry-quenching secondary dust cleaner the most according to claim 1, is characterized in that: it is tangent that described air inlet pipe (6) and gas import room (3).

A kind of dry-quenching secondary dust cleaner the most according to claim 1, is characterized in that: symmetrical structure centered by described air inlet pipe (6).

A kind of dry-quenching secondary dust cleaner the most according to claim 1, is characterized in that: described air inlet pipe (6) imports room (3) centrage with gas and becomes 75 ° of angles.