CN105080243A - Dust discharging device for dust remover with negative pressure operation - Google Patents

Dust discharging device for dust remover with negative pressure operation Download PDF

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Publication number
CN105080243A
CN105080243A CN201510484779.3A CN201510484779A CN105080243A CN 105080243 A CN105080243 A CN 105080243A CN 201510484779 A CN201510484779 A CN 201510484779A CN 105080243 A CN105080243 A CN 105080243A
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CN
China
Prior art keywords
dust
ash
discharging hole
ash discharging
deduster
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Granted
Application number
CN201510484779.3A
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Chinese (zh)
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CN105080243B (en
Inventor
任海军
王保良
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Luoyang Institute of Science and Technology
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Luoyang Institute of Science and Technology
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Priority to CN201510484779.3A priority Critical patent/CN105080243B/en
Publication of CN105080243A publication Critical patent/CN105080243A/en
Application granted granted Critical
Publication of CN105080243B publication Critical patent/CN105080243B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a dust discharging device for a dust remover with negative pressure operation and relates to the technical field of dust discharging devices of dust removers. The dust discharging device comprises a conical dust collecting hopper arranged at the bottom of the dust remover, a dust discharging port is formed in the side wall of the conical dust collecting hopper, and a sealing door is arranged at the dust discharging port. The sealing door is composed of a rubber sealing piece and a supporting framework arranged on the rubber sealing piece. A horizontal pin shaft is fixedly arranged above the dust discharging port and provided with a plurality of reset springs in a penetrating mode, one end of each reset spring is connected with the upper end of the supporting framework of the sealing door, and the other end of each reset spring is supported by or connected to the side wall of the conical dust collecting hopper. The sealing door is tightly attached to the dust discharging port under the common action of the negative pressure action of dust removing operation of the dust remover and the reset springs to seal the dust discharging port, and the sealing door is automatically opened to discharge dust under the action of dust discharging pressure of dust discharging operation of the dust remover. According to the dust discharging device, the dust discharging port can be automatically sealed under negative pressure dust removing operation and automatically opened under pressure dust discharging operation.

Description

A kind of ash exhauster for negative-pressure operation deduster
Technical field
The present invention relates to the ash exhauster technical field of deduster, be specifically related to a kind of ash exhauster for negative-pressure operation deduster.
Background technology
Ash exhauster bottom existing most of single-machine dust remover is all the rotary valve ash discharges by driven by motor, and no matter ash discharge amount has much, and motor is always in running order, wastes energy, consumer device.This kind of ash exhauster need rely on Electric Machine Control rotary valve to cut out or open ash discharging hole, and it can not rely on the condition of the depression dust-removing of deduster self and pulse deashing to realize the automatic closedown of ash discharging hole and to open.
Summary of the invention
The object of this invention is to provide a kind of ash exhauster for negative-pressure operation deduster, it automatically can realize the excellent sealing of ash discharging hole under the normal depression dust-removing operation of deduster, can automatically open ash discharging hole again and carry out ash discharge under the pulse deashing operation of deduster.
For achieving the above object, technical scheme of the present invention is: a kind of ash exhauster for negative-pressure operation deduster, comprise the taper flue-dust retainer be arranged on bottom deduster, the sidewall of taper flue-dust retainer offers ash discharging hole, described ash discharging hole place is provided with a hermatic door, sealing door is made up of rubber gasket and the support frame be arranged on rubber gasket, a horizontally disposed bearing pin is installed with above ash discharging hole, bearing pin is equipped with multiple back-moving spring, one end of back-moving spring is connected with the support frame upper end of hermatic door, the other end supports or is connected on the sidewall of taper flue-dust retainer, described hermatic door is close on ash discharging hole under the suction function of deduster dust removal operation and the acting in conjunction of back-moving spring, so that ash discharging hole is sealed, automatically open to carry out ash discharge under the deashing pressure effect that hermatic door operates at remover ash discharge dust.
Further, the cross section of described taper flue-dust retainer is quadrangle, the sidewall of the pair of opposing of taper flue-dust retainer is equipped with the ash discharging hole of a rectangle, an ash discharge platform is provided with in the bottom of taper flue-dust retainer, the side that ash discharge platform is relative with two ash discharging holes is equipped with an inclined-plane, two inclined-planes intersect formation fin on the top of ash discharge platform, the bottom on two inclined-planes connects to the edge, lower end of the ash discharging hole of respective corresponding side.
Beneficial effect: the present invention arranges ash discharging hole on the sidewall of taper flue-dust retainer, and hermatic door is set at ash discharging hole place, hermatic door is connected to ash discharging hole by back-moving spring, thus under the normal depression dust-removing operation of deduster, because hermatic door is tightly attached on ash discharging hole by the suction function of deduster inside and the reset response of back-moving spring jointly, ash discharging hole is sealed; When deduster needs ash discharge, hermatic door is opened and is carried out ash discharge by the pulse dust cleaning pressure utilizing deduster to produce.The sealing of ash discharging hole and to open are all automatic closedown and unlatchings that the negative pressure that utilizes deduster self to produce or pressure realize hermatic door, without extra ash discharge power consumption, and it is little to take up room.
Accompanying drawing explanation
Fig. 1 is the structure chart after single pulse dust-collector is combined with the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the installment state figure of hermatic door of the present invention.
Fig. 4 is the partial enlarged drawing of A position in Fig. 3.
Fig. 5 is the structure chart that hermatic door of the present invention is in closed condition.
Fig. 6 is the structure chart that hermatic door of the present invention is in open mode.
Be labeled as in figure: 1, taper flue-dust retainer, 2, ash discharging hole, 3, rubber gasket, 4, support frame, 5, bearing pin, 6, back-moving spring, 7, ash discharge platform, 8, inclined-plane, 9, abrasion sealer, 10, air inlet, 11, gas outlet, 12, deashing gas bag, 13, deduster body, 14, fixing back-up ring, 15, split pin.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of ash exhauster for negative-pressure operation deduster, comprise the taper flue-dust retainer 1 be arranged on bottom deduster, the sidewall of taper flue-dust retainer 1 offers ash discharging hole 2, described ash discharging hole 2 place is provided with a hermatic door, sealing door is made up of rubber gasket 3 and the support frame 4 be arranged on rubber gasket 3, support frame 4 can adopt net metal gratings, it is in order to increase the rigidity of hermatic door, prevent rubber gasket 3 pliable-closure that collapses not tight, a horizontally disposed bearing pin 5 is installed with above ash discharging hole 2, bearing pin 5 is equipped with multiple back-moving spring 6, one end of back-moving spring 6 is connected with support frame 4 upper end of hermatic door, the other end supports or is connected on the sidewall of taper flue-dust retainer 1, described hermatic door is close on ash discharging hole 2 under the suction function of deduster dust removal operation and the acting in conjunction of back-moving spring 6, so that ash discharging hole 2 is sealed, automatically open to carry out ash discharge under the deashing pressure effect that hermatic door operates at remover ash discharge dust.
Ash exhauster of the present invention is applied on the single pulse dust-collector of negative-pressure operation dedusting and pulse deashing, by Flange joint bottom deduster and between removing ash pipeline.As shown in Figure 1, this deduster comprises a deduster body 13, air inlet 10 is provided with in the bottom of deduster body 13, top is provided with gas outlet 11, what carry dust treats that dedusting gas enters in deduster body 13 from air inlet 10, after depression dust-removing, discharge clean gas from gas outlet 11 by blower fan.In dust removal process, be in negative pressure state in deduster body, negative pressure is generally 60 ~ 80% of blower pressure, and under the reset response of this suction function and back-moving spring 6, both actings in conjunction make hermatic door close, and are sealed up by ash discharging hole 2.During deduster deashing, the deashing gas bag 12 that deduster body 13 top is arranged abrupt release can reach 4 ~ 6 atmospheric deashing pressure, hermatic door is opened to carry out ash discharge automatically at this pressure, when pulse dust cleaning pressure is excessive, can carry out the impact that compensation sealing door has little time reset by back-moving spring 6.When dedusting again, hermatic door is automatically closed under the double action of dedusting negative pressure and back-moving spring, and flue-dust retainer continues dust stratification, waits for that the next ash discharge cycle carries out deashing.
As shown in Figure 3 and Figure 4, bearing pin 5 is installed on the sidewall of taper flue-dust retainer 1, and be positioned at the top of ash discharging hole 2, multiple back-moving spring 6 is disposed on bearing pin 5, bearing pin 5 is provided with multiple baffle plate, baffle plate is positioned at the end of back-moving spring 6 to play barrier effect to back-moving spring 6, prevents back-moving spring 6 from moving on bearing pin 5.Two back-moving springs 6, one being positioned at bearing pin 5 two ends lean on the end cap of bearing pin 5 self to stop that it comes off from bearing pin 5, and another fixing back-up ring 14 arranged by bearing pin 5 end stops that it comes off, and fixing back-up ring 14 is stuck on bearing pin 5 by split pin 15.
As shown in Figure 2, the cross section of described taper flue-dust retainer 1 is quadrangle, the sidewall of the pair of opposing of taper flue-dust retainer 1 is equipped with the ash discharging hole 2 of a rectangle, ash discharging hole 2 is preferably arranged near the bottom of taper flue-dust retainer 1 sidewall, the shape of ash discharging hole 2 is not limited to rectangle, also can be poroid or other structures.An ash discharge platform 7 is provided with in the bottom of taper flue-dust retainer 1, the side that ash discharge platform 7 is relative with two ash discharging holes 2 is equipped with an inclined-plane 8, two inclined-planes 8 intersect formation fin on the top of ash discharge platform 7, the bottom on two inclined-planes 8 connects to the edge, lower end of the ash discharging hole 2 of respective corresponding side.The setting of ash discharge platform 7 enables the dust be gathered in bottom taper flue-dust retainer 1 discharge from ash discharging hole 2 fast, easily, and ash discharge thoroughly, can not in taper flue-dust retainer 1 remaining dust.
As shown in Figure 5 and Figure 6, the periphery of the side of the relative ash discharging hole 2 of described rubber gasket 3 is provided with a circle abrasion sealer 9, and abrasion sealer 9 is close on the edge of ash discharging hole 2 periphery when hermatic door is in closed condition.The setting of abrasion sealer 9 can increase the laminating degree of hermatic door and ash discharging hole 2, improves the sealing effectiveness of hermatic door further.

Claims (3)

1. the ash exhauster for negative-pressure operation deduster, comprise the taper flue-dust retainer (1) be arranged on bottom deduster, the sidewall of taper flue-dust retainer (1) offers ash discharging hole (2), it is characterized in that: described ash discharging hole (2) place is provided with a hermatic door, sealing door is made up of rubber gasket (3) and the support frame (4) be arranged on rubber gasket (3), a horizontally disposed bearing pin (5) is installed with in the top of ash discharging hole (2), bearing pin (5) is equipped with multiple back-moving spring (6), one end of back-moving spring (6) is connected with support frame (4) upper end of hermatic door, the other end supports or is connected on the sidewall of taper flue-dust retainer (1), described hermatic door is close on ash discharging hole (2) under the suction function of deduster dust removal operation and the acting in conjunction of back-moving spring (6), so that ash discharging hole (2) is sealed, automatically open to carry out ash discharge under the deashing pressure effect that hermatic door operates at remover ash discharge dust.
2. a kind of ash exhauster for negative-pressure operation deduster as claimed in claim 1, it is characterized in that: the cross section of described taper flue-dust retainer (1) is quadrangle, the sidewall of the pair of opposing of taper flue-dust retainer (1) is equipped with the ash discharging hole (2) of a rectangle, an ash discharge platform (7) is provided with in the bottom of taper flue-dust retainer (1), the side that ash discharge platform (7) is relative with two ash discharging holes (2) is equipped with an inclined-plane (8), two inclined-planes (8) intersect formation fin on the top of ash discharge platform (7), the bottom of two inclined-planes (8) connects to the edge, lower end of the ash discharging hole (2) of respective corresponding side.
3. a kind of ash exhauster for negative-pressure operation deduster as claimed in claim 1, it is characterized in that: the periphery of the side of the relative ash discharging hole (2) of described rubber gasket (3) is provided with a circle abrasion sealer (9), and abrasion sealer (9) is close to when hermatic door is in closed condition on the edge of ash discharging hole (2) periphery.
CN201510484779.3A 2015-08-10 2015-08-10 A kind of ash exhauster for negative-pressure operation cleaner unit Expired - Fee Related CN105080243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510484779.3A CN105080243B (en) 2015-08-10 2015-08-10 A kind of ash exhauster for negative-pressure operation cleaner unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510484779.3A CN105080243B (en) 2015-08-10 2015-08-10 A kind of ash exhauster for negative-pressure operation cleaner unit

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CN105080243A true CN105080243A (en) 2015-11-25
CN105080243B CN105080243B (en) 2016-10-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617789A (en) * 2016-01-18 2016-06-01 中国矿业大学 Automatic quantitative dust discharging device for negative-pressure dust collector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2751863Y (en) * 2004-07-06 2006-01-18 贵阳铝镁设计研究院 Bag type dust cleaner dust discharging device
CN201791432U (en) * 2010-09-15 2011-04-13 张步芳 Inertia dust-removing device
CN204841269U (en) * 2015-08-10 2015-12-09 洛阳理工学院 A ash exhauster for negative pressure operation dust remover

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2751863Y (en) * 2004-07-06 2006-01-18 贵阳铝镁设计研究院 Bag type dust cleaner dust discharging device
CN201791432U (en) * 2010-09-15 2011-04-13 张步芳 Inertia dust-removing device
CN204841269U (en) * 2015-08-10 2015-12-09 洛阳理工学院 A ash exhauster for negative pressure operation dust remover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617789A (en) * 2016-01-18 2016-06-01 中国矿业大学 Automatic quantitative dust discharging device for negative-pressure dust collector

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Granted publication date: 20161012

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